Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 13867 insertions, 0 deletions

diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig
new file mode 100644
index 000000000..4ba3a8ead
--- /dev/null
+++ b/drivers/scsi/hisi_sas/Kconfig
@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0-only
+config SCSI_HISI_SAS
+	tristate "HiSilicon SAS"
+	depends on HAS_IOMEM
+	depends on ARM64 || COMPILE_TEST
+	select SCSI_SAS_LIBSAS
+	select BLK_DEV_INTEGRITY
+	depends on ATA
+	select SATA_HOST
+	help
+		This driver supports HiSilicon's SAS HBA, including support based
+		on platform device
+
+config SCSI_HISI_SAS_PCI
+	tristate "HiSilicon SAS on PCI bus"
+	depends on SCSI_HISI_SAS
+	depends on PCI
+	depends on ACPI
+	help
+		This driver supports HiSilicon's SAS HBA based on PCI device
+
+config SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE
+	bool "HiSilicon SAS debugging default enable"
+	depends on SCSI_HISI_SAS
+	help
+		Set Y to default enable DEBUGFS for SCSI_HISI_SAS
diff --git a/drivers/scsi/hisi_sas/Makefile b/drivers/scsi/hisi_sas/Makefile
new file mode 100644
index 000000000..742e732cd
--- /dev/null
+++ b/drivers/scsi/hisi_sas/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_SCSI_HISI_SAS)		+= hisi_sas_main.o
+obj-$(CONFIG_SCSI_HISI_SAS)		+= hisi_sas_v1_hw.o hisi_sas_v2_hw.o
+obj-$(CONFIG_SCSI_HISI_SAS_PCI)		+= hisi_sas_v3_hw.o
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
new file mode 100644
index 000000000..9aebf4a26
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -0,0 +1,667 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2015 Linaro Ltd.
+ * Copyright (c) 2015 Hisilicon Limited.
+ */
+
+#ifndef _HISI_SAS_H_
+#define _HISI_SAS_H_
+
+#include <linux/acpi.h>
+#include <linux/blk-mq.h>
+#include <linux/blk-mq-pci.h>
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/dmapool.h>
+#include <linux/iopoll.h>
+#include <linux/irq.h>
+#include <linux/lcm.h>
+#include <linux/libata.h>
+#include <linux/mfd/syscon.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/property.h>
+#include <linux/regmap.h>
+#include <linux/timer.h>
+#include <scsi/sas_ata.h>
+#include <scsi/libsas.h>
+
+#define HISI_SAS_MAX_PHYS	9
+#define HISI_SAS_MAX_QUEUES	32
+#define HISI_SAS_QUEUE_SLOTS	4096
+#define HISI_SAS_MAX_ITCT_ENTRIES 1024
+#define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES
+#define HISI_SAS_RESETTING_BIT	0
+#define HISI_SAS_REJECT_CMD_BIT	1
+#define HISI_SAS_PM_BIT		2
+#define HISI_SAS_HW_FAULT_BIT	3
+#define HISI_SAS_MAX_COMMANDS (HISI_SAS_QUEUE_SLOTS)
+#define HISI_SAS_RESERVED_IPTT  96
+#define HISI_SAS_UNRESERVED_IPTT \
+	(HISI_SAS_MAX_COMMANDS - HISI_SAS_RESERVED_IPTT)
+
+#define HISI_SAS_IOST_ITCT_CACHE_NUM 64
+#define HISI_SAS_IOST_ITCT_CACHE_DW_SZ 10
+#define HISI_SAS_FIFO_DATA_DW_SIZE 32
+
+#define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer))
+#define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table))
+
+#define hisi_sas_status_buf_addr(buf) \
+	((buf) + offsetof(struct hisi_sas_slot_buf_table, status_buffer))
+#define hisi_sas_status_buf_addr_mem(slot) hisi_sas_status_buf_addr((slot)->buf)
+#define hisi_sas_status_buf_addr_dma(slot) \
+	hisi_sas_status_buf_addr((slot)->buf_dma)
+
+#define hisi_sas_cmd_hdr_addr(buf) \
+	((buf) + offsetof(struct hisi_sas_slot_buf_table, command_header))
+#define hisi_sas_cmd_hdr_addr_mem(slot) hisi_sas_cmd_hdr_addr((slot)->buf)
+#define hisi_sas_cmd_hdr_addr_dma(slot) hisi_sas_cmd_hdr_addr((slot)->buf_dma)
+
+#define hisi_sas_sge_addr(buf) \
+	((buf) + offsetof(struct hisi_sas_slot_buf_table, sge_page))
+#define hisi_sas_sge_addr_mem(slot) hisi_sas_sge_addr((slot)->buf)
+#define hisi_sas_sge_addr_dma(slot) hisi_sas_sge_addr((slot)->buf_dma)
+
+#define hisi_sas_sge_dif_addr(buf) \
+	((buf) + offsetof(struct hisi_sas_slot_dif_buf_table, sge_dif_page))
+#define hisi_sas_sge_dif_addr_mem(slot) hisi_sas_sge_dif_addr((slot)->buf)
+#define hisi_sas_sge_dif_addr_dma(slot) hisi_sas_sge_dif_addr((slot)->buf_dma)
+
+#define HISI_SAS_MAX_SSP_RESP_SZ (sizeof(struct ssp_frame_hdr) + 1024)
+#define HISI_SAS_MAX_SMP_RESP_SZ 1028
+#define HISI_SAS_MAX_STP_RESP_SZ 28
+
+#define HISI_SAS_SATA_PROTOCOL_NONDATA		0x1
+#define HISI_SAS_SATA_PROTOCOL_PIO			0x2
+#define HISI_SAS_SATA_PROTOCOL_DMA			0x4
+#define HISI_SAS_SATA_PROTOCOL_FPDMA		0x8
+#define HISI_SAS_SATA_PROTOCOL_ATAPI		0x10
+
+#define HISI_SAS_DIF_PROT_MASK (SHOST_DIF_TYPE1_PROTECTION | \
+				SHOST_DIF_TYPE2_PROTECTION | \
+				SHOST_DIF_TYPE3_PROTECTION)
+
+#define HISI_SAS_DIX_PROT_MASK (SHOST_DIX_TYPE1_PROTECTION | \
+				SHOST_DIX_TYPE2_PROTECTION | \
+				SHOST_DIX_TYPE3_PROTECTION)
+
+#define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK)
+
+#define HISI_SAS_WAIT_PHYUP_TIMEOUT	(30 * HZ)
+#define HISI_SAS_CLEAR_ITCT_TIMEOUT	(20 * HZ)
+
+struct hisi_hba;
+
+enum {
+	PORT_TYPE_SAS = (1U << 1),
+	PORT_TYPE_SATA = (1U << 0),
+};
+
+enum dev_status {
+	HISI_SAS_DEV_INIT,
+	HISI_SAS_DEV_NORMAL,
+};
+
+enum {
+	HISI_SAS_INT_ABT_CMD = 0,
+	HISI_SAS_INT_ABT_DEV = 1,
+};
+
+enum hisi_sas_dev_type {
+	HISI_SAS_DEV_TYPE_STP = 0,
+	HISI_SAS_DEV_TYPE_SSP,
+	HISI_SAS_DEV_TYPE_SATA,
+};
+
+struct hisi_sas_hw_error {
+	u32 irq_msk;
+	u32 msk;
+	int shift;
+	const char *msg;
+	int reg;
+	const struct hisi_sas_hw_error *sub;
+};
+
+struct hisi_sas_rst {
+	struct hisi_hba *hisi_hba;
+	struct completion *completion;
+	struct work_struct work;
+	bool done;
+};
+
+#define HISI_SAS_RST_WORK_INIT(r, c) \
+	{	.hisi_hba = hisi_hba, \
+		.completion = &c, \
+		.work = __WORK_INITIALIZER(r.work, \
+				hisi_sas_sync_rst_work_handler), \
+		.done = false, \
+		}
+
+#define HISI_SAS_DECLARE_RST_WORK_ON_STACK(r) \
+	DECLARE_COMPLETION_ONSTACK(c); \
+	struct hisi_sas_rst r = HISI_SAS_RST_WORK_INIT(r, c)
+
+enum hisi_sas_bit_err_type {
+	HISI_SAS_ERR_SINGLE_BIT_ECC = 0x0,
+	HISI_SAS_ERR_MULTI_BIT_ECC = 0x1,
+};
+
+enum hisi_sas_phy_event {
+	HISI_PHYE_PHY_UP   = 0U,
+	HISI_PHYE_LINK_RESET,
+	HISI_PHYE_PHY_UP_PM,
+	HISI_PHYES_NUM,
+};
+
+struct hisi_sas_debugfs_fifo {
+	u32 signal_sel;
+	u32 dump_msk;
+	u32 dump_mode;
+	u32 trigger;
+	u32 trigger_msk;
+	u32 trigger_mode;
+	u32 rd_data[HISI_SAS_FIFO_DATA_DW_SIZE];
+};
+
+struct hisi_sas_phy {
+	struct work_struct	works[HISI_PHYES_NUM];
+	struct hisi_hba	*hisi_hba;
+	struct hisi_sas_port	*port;
+	struct asd_sas_phy	sas_phy;
+	struct sas_identify	identify;
+	struct completion *reset_completion;
+	struct timer_list timer;
+	spinlock_t lock;
+	u64		port_id; /* from hw */
+	u64		frame_rcvd_size;
+	u8		frame_rcvd[32];
+	u8		phy_attached;
+	u8		in_reset;
+	u8		reserved[2];
+	u32		phy_type;
+	u32		code_violation_err_count;
+	enum sas_linkrate	minimum_linkrate;
+	enum sas_linkrate	maximum_linkrate;
+	int enable;
+	int wait_phyup_cnt;
+	atomic_t down_cnt;
+
+	/* Trace FIFO */
+	struct hisi_sas_debugfs_fifo fifo;
+};
+
+struct hisi_sas_port {
+	struct asd_sas_port	sas_port;
+	u8	port_attached;
+	u8	id; /* from hw */
+};
+
+struct hisi_sas_cq {
+	struct hisi_hba *hisi_hba;
+	const struct cpumask *irq_mask;
+	int	rd_point;
+	int	id;
+	int	irq_no;
+};
+
+struct hisi_sas_dq {
+	struct hisi_hba *hisi_hba;
+	struct list_head list;
+	spinlock_t lock;
+	int	wr_point;
+	int	id;
+};
+
+struct hisi_sas_device {
+	struct hisi_hba		*hisi_hba;
+	struct domain_device	*sas_device;
+	struct completion *completion;
+	struct hisi_sas_dq	*dq;
+	struct list_head	list;
+	enum sas_device_type	dev_type;
+	enum dev_status dev_status;
+	int device_id;
+	int sata_idx;
+	spinlock_t lock; /* For protecting slots */
+};
+
+struct hisi_sas_slot {
+	struct list_head entry;
+	struct list_head delivery;
+	struct sas_task *task;
+	struct hisi_sas_port	*port;
+	u64	n_elem;
+	u64	n_elem_dif;
+	int	dlvry_queue;
+	int	dlvry_queue_slot;
+	int	cmplt_queue;
+	int	cmplt_queue_slot;
+	int	abort;
+	int	ready;
+	int	device_id;
+	void	*cmd_hdr;
+	dma_addr_t cmd_hdr_dma;
+	struct timer_list internal_abort_timer;
+	bool is_internal;
+	struct sas_tmf_task *tmf;
+	/* Do not reorder/change members after here */
+	void	*buf;
+	dma_addr_t buf_dma;
+	u16	idx;
+};
+
+struct hisi_sas_iost_itct_cache {
+	u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ];
+};
+
+enum hisi_sas_debugfs_reg_array_member {
+	DEBUGFS_GLOBAL = 0,
+	DEBUGFS_AXI,
+	DEBUGFS_RAS,
+	DEBUGFS_REGS_NUM
+};
+
+enum hisi_sas_debugfs_cache_type {
+	HISI_SAS_ITCT_CACHE,
+	HISI_SAS_IOST_CACHE,
+};
+
+enum hisi_sas_debugfs_bist_ffe_cfg {
+	FFE_SAS_1_5_GBPS,
+	FFE_SAS_3_0_GBPS,
+	FFE_SAS_6_0_GBPS,
+	FFE_SAS_12_0_GBPS,
+	FFE_RESV,
+	FFE_SATA_1_5_GBPS,
+	FFE_SATA_3_0_GBPS,
+	FFE_SATA_6_0_GBPS,
+	FFE_CFG_MAX
+};
+
+enum hisi_sas_debugfs_bist_fixed_code {
+	FIXED_CODE,
+	FIXED_CODE_1,
+	FIXED_CODE_MAX
+};
+
+enum {
+	HISI_SAS_BIST_CODE_MODE_PRBS7,
+	HISI_SAS_BIST_CODE_MODE_PRBS23,
+	HISI_SAS_BIST_CODE_MODE_PRBS31,
+	HISI_SAS_BIST_CODE_MODE_JTPAT,
+	HISI_SAS_BIST_CODE_MODE_CJTPAT,
+	HISI_SAS_BIST_CODE_MODE_SCRAMBED_0,
+	HISI_SAS_BIST_CODE_MODE_TRAIN,
+	HISI_SAS_BIST_CODE_MODE_TRAIN_DONE,
+	HISI_SAS_BIST_CODE_MODE_HFTP,
+	HISI_SAS_BIST_CODE_MODE_MFTP,
+	HISI_SAS_BIST_CODE_MODE_LFTP,
+	HISI_SAS_BIST_CODE_MODE_FIXED_DATA,
+};
+
+struct hisi_sas_hw {
+	int (*hw_init)(struct hisi_hba *hisi_hba);
+	int (*interrupt_preinit)(struct hisi_hba *hisi_hba);
+	void (*setup_itct)(struct hisi_hba *hisi_hba,
+			   struct hisi_sas_device *device);
+	int (*slot_index_alloc)(struct hisi_hba *hisi_hba,
+				struct domain_device *device);
+	struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
+	void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no);
+	void (*start_delivery)(struct hisi_sas_dq *dq);
+	void (*prep_ssp)(struct hisi_hba *hisi_hba,
+			struct hisi_sas_slot *slot);
+	void (*prep_smp)(struct hisi_hba *hisi_hba,
+			struct hisi_sas_slot *slot);
+	void (*prep_stp)(struct hisi_hba *hisi_hba,
+			struct hisi_sas_slot *slot);
+	void (*prep_abort)(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot);
+	void (*phys_init)(struct hisi_hba *hisi_hba);
+	void (*phy_start)(struct hisi_hba *hisi_hba, int phy_no);
+	void (*phy_disable)(struct hisi_hba *hisi_hba, int phy_no);
+	void (*phy_hard_reset)(struct hisi_hba *hisi_hba, int phy_no);
+	void (*get_events)(struct hisi_hba *hisi_hba, int phy_no);
+	void (*phy_set_linkrate)(struct hisi_hba *hisi_hba, int phy_no,
+			struct sas_phy_linkrates *linkrates);
+	enum sas_linkrate (*phy_get_max_linkrate)(void);
+	int (*clear_itct)(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_device *dev);
+	void (*free_device)(struct hisi_sas_device *sas_dev);
+	int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id);
+	void (*dereg_device)(struct hisi_hba *hisi_hba,
+				struct domain_device *device);
+	int (*soft_reset)(struct hisi_hba *hisi_hba);
+	u32 (*get_phys_state)(struct hisi_hba *hisi_hba);
+	int (*write_gpio)(struct hisi_hba *hisi_hba, u8 reg_type,
+				u8 reg_index, u8 reg_count, u8 *write_data);
+	void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba,
+					   int delay_ms, int timeout_ms);
+	void (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba);
+	int complete_hdr_size;
+	struct scsi_host_template *sht;
+};
+
+#define HISI_SAS_MAX_DEBUGFS_DUMP (50)
+
+struct hisi_sas_debugfs_cq {
+	struct hisi_sas_cq *cq;
+	void *complete_hdr;
+};
+
+struct hisi_sas_debugfs_dq {
+	struct hisi_sas_dq *dq;
+	struct hisi_sas_cmd_hdr *hdr;
+};
+
+struct hisi_sas_debugfs_regs {
+	struct hisi_hba *hisi_hba;
+	u32 *data;
+};
+
+struct hisi_sas_debugfs_port {
+	struct hisi_sas_phy *phy;
+	u32 *data;
+};
+
+struct hisi_sas_debugfs_iost {
+	struct hisi_sas_iost *iost;
+};
+
+struct hisi_sas_debugfs_itct {
+	struct hisi_sas_itct *itct;
+};
+
+struct hisi_sas_debugfs_iost_cache {
+	struct hisi_sas_iost_itct_cache *cache;
+};
+
+struct hisi_sas_debugfs_itct_cache {
+	struct hisi_sas_iost_itct_cache *cache;
+};
+
+struct hisi_hba {
+	/* This must be the first element, used by SHOST_TO_SAS_HA */
+	struct sas_ha_struct *p;
+
+	struct platform_device *platform_dev;
+	struct pci_dev *pci_dev;
+	struct device *dev;
+
+	int prot_mask;
+
+	void __iomem *regs;
+	void __iomem *sgpio_regs;
+	struct regmap *ctrl;
+	u32 ctrl_reset_reg;
+	u32 ctrl_reset_sts_reg;
+	u32 ctrl_clock_ena_reg;
+	u32 refclk_frequency_mhz;
+	u8 sas_addr[SAS_ADDR_SIZE];
+
+	int *irq_map; /* v2 hw */
+
+	int n_phy;
+	spinlock_t lock;
+	struct semaphore sem;
+
+	struct timer_list timer;
+	struct workqueue_struct *wq;
+
+	int slot_index_count;
+	int last_slot_index;
+	int last_dev_id;
+	unsigned long *slot_index_tags;
+	unsigned long reject_stp_links_msk;
+
+	/* SCSI/SAS glue */
+	struct sas_ha_struct sha;
+	struct Scsi_Host *shost;
+
+	struct hisi_sas_cq cq[HISI_SAS_MAX_QUEUES];
+	struct hisi_sas_dq dq[HISI_SAS_MAX_QUEUES];
+	struct hisi_sas_phy phy[HISI_SAS_MAX_PHYS];
+	struct hisi_sas_port port[HISI_SAS_MAX_PHYS];
+
+	int	queue_count;
+
+	struct hisi_sas_device	devices[HISI_SAS_MAX_DEVICES];
+	struct hisi_sas_cmd_hdr	*cmd_hdr[HISI_SAS_MAX_QUEUES];
+	dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES];
+	void *complete_hdr[HISI_SAS_MAX_QUEUES];
+	dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES];
+	struct hisi_sas_initial_fis *initial_fis;
+	dma_addr_t initial_fis_dma;
+	struct hisi_sas_itct *itct;
+	dma_addr_t itct_dma;
+	struct hisi_sas_iost *iost;
+	dma_addr_t iost_dma;
+	struct hisi_sas_breakpoint *breakpoint;
+	dma_addr_t breakpoint_dma;
+	struct hisi_sas_breakpoint *sata_breakpoint;
+	dma_addr_t sata_breakpoint_dma;
+	struct hisi_sas_slot	*slot_info;
+	unsigned long flags;
+	const struct hisi_sas_hw *hw;	/* Low level hw interface */
+	unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)];
+	struct work_struct rst_work;
+	struct work_struct debugfs_work;
+	u32 phy_state;
+	u32 intr_coal_ticks;	/* Time of interrupt coalesce in us */
+	u32 intr_coal_count;	/* Interrupt count to coalesce */
+
+	int cq_nvecs;
+
+	/* bist */
+	enum sas_linkrate debugfs_bist_linkrate;
+	int debugfs_bist_code_mode;
+	int debugfs_bist_phy_no;
+	int debugfs_bist_mode;
+	u32 debugfs_bist_cnt;
+	int debugfs_bist_enable;
+	u32 debugfs_bist_ffe[HISI_SAS_MAX_PHYS][FFE_CFG_MAX];
+	u32 debugfs_bist_fixed_code[FIXED_CODE_MAX];
+
+	/* debugfs memories */
+	/* Put Global AXI and RAS Register into register array */
+	struct hisi_sas_debugfs_regs debugfs_regs[HISI_SAS_MAX_DEBUGFS_DUMP][DEBUGFS_REGS_NUM];
+	struct hisi_sas_debugfs_port debugfs_port_reg[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_PHYS];
+	struct hisi_sas_debugfs_cq debugfs_cq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
+	struct hisi_sas_debugfs_dq debugfs_dq[HISI_SAS_MAX_DEBUGFS_DUMP][HISI_SAS_MAX_QUEUES];
+	struct hisi_sas_debugfs_iost debugfs_iost[HISI_SAS_MAX_DEBUGFS_DUMP];
+	struct hisi_sas_debugfs_itct debugfs_itct[HISI_SAS_MAX_DEBUGFS_DUMP];
+	struct hisi_sas_debugfs_iost_cache debugfs_iost_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
+	struct hisi_sas_debugfs_itct_cache debugfs_itct_cache[HISI_SAS_MAX_DEBUGFS_DUMP];
+
+	u64 debugfs_timestamp[HISI_SAS_MAX_DEBUGFS_DUMP];
+	int debugfs_dump_index;
+	struct dentry *debugfs_dir;
+	struct dentry *debugfs_dump_dentry;
+	struct dentry *debugfs_bist_dentry;
+	struct dentry *debugfs_fifo_dentry;
+};
+
+/* Generic HW DMA host memory structures */
+/* Delivery queue header */
+struct hisi_sas_cmd_hdr {
+	/* dw0 */
+	__le32 dw0;
+
+	/* dw1 */
+	__le32 dw1;
+
+	/* dw2 */
+	__le32 dw2;
+
+	/* dw3 */
+	__le32 transfer_tags;
+
+	/* dw4 */
+	__le32 data_transfer_len;
+
+	/* dw5 */
+	__le32 first_burst_num;
+
+	/* dw6 */
+	__le32 sg_len;
+
+	/* dw7 */
+	__le32 dw7;
+
+	/* dw8-9 */
+	__le64 cmd_table_addr;
+
+	/* dw10-11 */
+	__le64 sts_buffer_addr;
+
+	/* dw12-13 */
+	__le64 prd_table_addr;
+
+	/* dw14-15 */
+	__le64 dif_prd_table_addr;
+};
+
+struct hisi_sas_itct {
+	__le64 qw0;
+	__le64 sas_addr;
+	__le64 qw2;
+	__le64 qw3;
+	__le64 qw4_15[12];
+};
+
+struct hisi_sas_iost {
+	__le64 qw0;
+	__le64 qw1;
+	__le64 qw2;
+	__le64 qw3;
+};
+
+struct hisi_sas_err_record {
+	u32	data[4];
+};
+
+struct hisi_sas_initial_fis {
+	struct hisi_sas_err_record err_record;
+	struct dev_to_host_fis fis;
+	u32 rsvd[3];
+};
+
+struct hisi_sas_breakpoint {
+	u8	data[128];
+};
+
+struct hisi_sas_sata_breakpoint {
+	struct hisi_sas_breakpoint tag[32];
+};
+
+struct hisi_sas_sge {
+	__le64 addr;
+	__le32 page_ctrl_0;
+	__le32 page_ctrl_1;
+	__le32 data_len;
+	__le32 data_off;
+};
+
+struct hisi_sas_command_table_smp {
+	u8 bytes[44];
+};
+
+struct hisi_sas_command_table_stp {
+	struct	host_to_dev_fis command_fis;
+	u8	dummy[12];
+	u8	atapi_cdb[ATAPI_CDB_LEN];
+};
+
+#define HISI_SAS_SGE_PAGE_CNT (124)
+struct hisi_sas_sge_page {
+	struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT];
+}  __aligned(16);
+
+#define HISI_SAS_SGE_DIF_PAGE_CNT   HISI_SAS_SGE_PAGE_CNT
+struct hisi_sas_sge_dif_page {
+	struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT];
+}  __aligned(16);
+
+struct hisi_sas_command_table_ssp {
+	struct ssp_frame_hdr hdr;
+	union {
+		struct {
+			struct ssp_command_iu task;
+			u32 prot[7];
+		};
+		struct ssp_tmf_iu ssp_task;
+		struct xfer_rdy_iu xfer_rdy;
+		struct ssp_response_iu ssp_res;
+	} u;
+};
+
+union hisi_sas_command_table {
+	struct hisi_sas_command_table_ssp ssp;
+	struct hisi_sas_command_table_smp smp;
+	struct hisi_sas_command_table_stp stp;
+}  __aligned(16);
+
+struct hisi_sas_status_buffer {
+	struct hisi_sas_err_record err;
+	u8	iu[1024];
+}  __aligned(16);
+
+struct hisi_sas_slot_buf_table {
+	struct hisi_sas_status_buffer status_buffer;
+	union hisi_sas_command_table command_header;
+	struct hisi_sas_sge_page sge_page;
+};
+
+struct hisi_sas_slot_dif_buf_table {
+	struct hisi_sas_slot_buf_table slot_buf;
+	struct hisi_sas_sge_dif_page sge_dif_page;
+};
+
+extern struct scsi_transport_template *hisi_sas_stt;
+
+extern bool hisi_sas_debugfs_enable;
+extern u32 hisi_sas_debugfs_dump_count;
+extern struct dentry *hisi_sas_debugfs_dir;
+
+extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba);
+extern int hisi_sas_alloc(struct hisi_hba *hisi_hba);
+extern void hisi_sas_free(struct hisi_hba *hisi_hba);
+extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis,
+				int direction);
+extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port);
+extern void hisi_sas_sata_done(struct sas_task *task,
+			    struct hisi_sas_slot *slot);
+extern int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba);
+extern int hisi_sas_probe(struct platform_device *pdev,
+			  const struct hisi_sas_hw *ops);
+extern int hisi_sas_remove(struct platform_device *pdev);
+
+extern int hisi_sas_slave_configure(struct scsi_device *sdev);
+extern int hisi_sas_slave_alloc(struct scsi_device *sdev);
+extern int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time);
+extern void hisi_sas_scan_start(struct Scsi_Host *shost);
+extern int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type);
+extern void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no,
+				int enable);
+extern void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy,
+			      gfp_t gfp_flags);
+extern void hisi_sas_phy_bcast(struct hisi_sas_phy *phy);
+extern void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba,
+				    struct sas_task *task,
+				    struct hisi_sas_slot *slot);
+extern void hisi_sas_init_mem(struct hisi_hba *hisi_hba);
+extern void hisi_sas_rst_work_handler(struct work_struct *work);
+extern void hisi_sas_sync_rst_work_handler(struct work_struct *work);
+extern void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba);
+extern void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no);
+extern bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
+				enum hisi_sas_phy_event event);
+extern void hisi_sas_release_tasks(struct hisi_hba *hisi_hba);
+extern u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max);
+extern void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba);
+extern void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba);
+#endif
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
new file mode 100644
index 000000000..450a85781
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -0,0 +1,2567 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2015 Linaro Ltd.
+ * Copyright (c) 2015 Hisilicon Limited.
+ */
+
+#include "hisi_sas.h"
+#define DRV_NAME "hisi_sas"
+
+#define DEV_IS_GONE(dev) \
+	((!dev) || (dev->dev_type == SAS_PHY_UNUSED))
+
+static int hisi_sas_softreset_ata_disk(struct domain_device *device);
+static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
+				void *funcdata);
+static void hisi_sas_release_task(struct hisi_hba *hisi_hba,
+				  struct domain_device *device);
+static void hisi_sas_dev_gone(struct domain_device *device);
+
+struct hisi_sas_internal_abort_data {
+	bool rst_ha_timeout; /* reset the HA for timeout */
+};
+
+u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction)
+{
+	switch (fis->command) {
+	case ATA_CMD_FPDMA_WRITE:
+	case ATA_CMD_FPDMA_READ:
+	case ATA_CMD_FPDMA_RECV:
+	case ATA_CMD_FPDMA_SEND:
+	case ATA_CMD_NCQ_NON_DATA:
+		return HISI_SAS_SATA_PROTOCOL_FPDMA;
+
+	case ATA_CMD_DOWNLOAD_MICRO:
+	case ATA_CMD_ID_ATA:
+	case ATA_CMD_PMP_READ:
+	case ATA_CMD_READ_LOG_EXT:
+	case ATA_CMD_PIO_READ:
+	case ATA_CMD_PIO_READ_EXT:
+	case ATA_CMD_PMP_WRITE:
+	case ATA_CMD_WRITE_LOG_EXT:
+	case ATA_CMD_PIO_WRITE:
+	case ATA_CMD_PIO_WRITE_EXT:
+		return HISI_SAS_SATA_PROTOCOL_PIO;
+
+	case ATA_CMD_DSM:
+	case ATA_CMD_DOWNLOAD_MICRO_DMA:
+	case ATA_CMD_PMP_READ_DMA:
+	case ATA_CMD_PMP_WRITE_DMA:
+	case ATA_CMD_READ:
+	case ATA_CMD_READ_EXT:
+	case ATA_CMD_READ_LOG_DMA_EXT:
+	case ATA_CMD_READ_STREAM_DMA_EXT:
+	case ATA_CMD_TRUSTED_RCV_DMA:
+	case ATA_CMD_TRUSTED_SND_DMA:
+	case ATA_CMD_WRITE:
+	case ATA_CMD_WRITE_EXT:
+	case ATA_CMD_WRITE_FUA_EXT:
+	case ATA_CMD_WRITE_QUEUED:
+	case ATA_CMD_WRITE_LOG_DMA_EXT:
+	case ATA_CMD_WRITE_STREAM_DMA_EXT:
+	case ATA_CMD_ZAC_MGMT_IN:
+		return HISI_SAS_SATA_PROTOCOL_DMA;
+
+	case ATA_CMD_CHK_POWER:
+	case ATA_CMD_DEV_RESET:
+	case ATA_CMD_EDD:
+	case ATA_CMD_FLUSH:
+	case ATA_CMD_FLUSH_EXT:
+	case ATA_CMD_VERIFY:
+	case ATA_CMD_VERIFY_EXT:
+	case ATA_CMD_SET_FEATURES:
+	case ATA_CMD_STANDBY:
+	case ATA_CMD_STANDBYNOW1:
+	case ATA_CMD_ZAC_MGMT_OUT:
+		return HISI_SAS_SATA_PROTOCOL_NONDATA;
+
+	case ATA_CMD_SET_MAX:
+		switch (fis->features) {
+		case ATA_SET_MAX_PASSWD:
+		case ATA_SET_MAX_LOCK:
+			return HISI_SAS_SATA_PROTOCOL_PIO;
+
+		case ATA_SET_MAX_PASSWD_DMA:
+		case ATA_SET_MAX_UNLOCK_DMA:
+			return HISI_SAS_SATA_PROTOCOL_DMA;
+
+		default:
+			return HISI_SAS_SATA_PROTOCOL_NONDATA;
+		}
+
+	default:
+	{
+		if (direction == DMA_NONE)
+			return HISI_SAS_SATA_PROTOCOL_NONDATA;
+		return HISI_SAS_SATA_PROTOCOL_PIO;
+	}
+	}
+}
+EXPORT_SYMBOL_GPL(hisi_sas_get_ata_protocol);
+
+void hisi_sas_sata_done(struct sas_task *task,
+			    struct hisi_sas_slot *slot)
+{
+	struct task_status_struct *ts = &task->task_status;
+	struct ata_task_resp *resp = (struct ata_task_resp *)ts->buf;
+	struct hisi_sas_status_buffer *status_buf =
+			hisi_sas_status_buf_addr_mem(slot);
+	u8 *iu = &status_buf->iu[0];
+	struct dev_to_host_fis *d2h =  (struct dev_to_host_fis *)iu;
+
+	resp->frame_len = sizeof(struct dev_to_host_fis);
+	memcpy(&resp->ending_fis[0], d2h, sizeof(struct dev_to_host_fis));
+
+	ts->buf_valid_size = sizeof(*resp);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_sata_done);
+
+/*
+ * This function assumes linkrate mask fits in 8 bits, which it
+ * does for all HW versions supported.
+ */
+u8 hisi_sas_get_prog_phy_linkrate_mask(enum sas_linkrate max)
+{
+	u8 rate = 0;
+	int i;
+
+	max -= SAS_LINK_RATE_1_5_GBPS;
+	for (i = 0; i <= max; i++)
+		rate |= 1 << (i * 2);
+	return rate;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_get_prog_phy_linkrate_mask);
+
+static struct hisi_hba *dev_to_hisi_hba(struct domain_device *device)
+{
+	return device->port->ha->lldd_ha;
+}
+
+struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port)
+{
+	return container_of(sas_port, struct hisi_sas_port, sas_port);
+}
+EXPORT_SYMBOL_GPL(to_hisi_sas_port);
+
+void hisi_sas_stop_phys(struct hisi_hba *hisi_hba)
+{
+	int phy_no;
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++)
+		hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_stop_phys);
+
+static void hisi_sas_slot_index_clear(struct hisi_hba *hisi_hba, int slot_idx)
+{
+	void *bitmap = hisi_hba->slot_index_tags;
+
+	__clear_bit(slot_idx, bitmap);
+}
+
+static void hisi_sas_slot_index_free(struct hisi_hba *hisi_hba, int slot_idx)
+{
+	if (hisi_hba->hw->slot_index_alloc ||
+	    slot_idx >= HISI_SAS_UNRESERVED_IPTT) {
+		spin_lock(&hisi_hba->lock);
+		hisi_sas_slot_index_clear(hisi_hba, slot_idx);
+		spin_unlock(&hisi_hba->lock);
+	}
+}
+
+static void hisi_sas_slot_index_set(struct hisi_hba *hisi_hba, int slot_idx)
+{
+	void *bitmap = hisi_hba->slot_index_tags;
+
+	__set_bit(slot_idx, bitmap);
+}
+
+static int hisi_sas_slot_index_alloc(struct hisi_hba *hisi_hba,
+				     struct scsi_cmnd *scsi_cmnd)
+{
+	int index;
+	void *bitmap = hisi_hba->slot_index_tags;
+
+	if (scsi_cmnd)
+		return scsi_cmd_to_rq(scsi_cmnd)->tag;
+
+	spin_lock(&hisi_hba->lock);
+	index = find_next_zero_bit(bitmap, hisi_hba->slot_index_count,
+				   hisi_hba->last_slot_index + 1);
+	if (index >= hisi_hba->slot_index_count) {
+		index = find_next_zero_bit(bitmap,
+				hisi_hba->slot_index_count,
+				HISI_SAS_UNRESERVED_IPTT);
+		if (index >= hisi_hba->slot_index_count) {
+			spin_unlock(&hisi_hba->lock);
+			return -SAS_QUEUE_FULL;
+		}
+	}
+	hisi_sas_slot_index_set(hisi_hba, index);
+	hisi_hba->last_slot_index = index;
+	spin_unlock(&hisi_hba->lock);
+
+	return index;
+}
+
+void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task,
+			     struct hisi_sas_slot *slot)
+{
+	int device_id = slot->device_id;
+	struct hisi_sas_device *sas_dev = &hisi_hba->devices[device_id];
+
+	if (task) {
+		struct device *dev = hisi_hba->dev;
+
+		if (!task->lldd_task)
+			return;
+
+		task->lldd_task = NULL;
+
+		if (!sas_protocol_ata(task->task_proto)) {
+			if (slot->n_elem) {
+				if (task->task_proto & SAS_PROTOCOL_SSP)
+					dma_unmap_sg(dev, task->scatter,
+						     task->num_scatter,
+						     task->data_dir);
+				else
+					dma_unmap_sg(dev, &task->smp_task.smp_req,
+						     1, DMA_TO_DEVICE);
+			}
+			if (slot->n_elem_dif) {
+				struct sas_ssp_task *ssp_task = &task->ssp_task;
+				struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
+
+				dma_unmap_sg(dev, scsi_prot_sglist(scsi_cmnd),
+					     scsi_prot_sg_count(scsi_cmnd),
+					     task->data_dir);
+			}
+		}
+	}
+
+	spin_lock(&sas_dev->lock);
+	list_del_init(&slot->entry);
+	spin_unlock(&sas_dev->lock);
+
+	memset(slot, 0, offsetof(struct hisi_sas_slot, buf));
+
+	hisi_sas_slot_index_free(hisi_hba, slot->idx);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_slot_task_free);
+
+static void hisi_sas_task_prep_smp(struct hisi_hba *hisi_hba,
+				  struct hisi_sas_slot *slot)
+{
+	hisi_hba->hw->prep_smp(hisi_hba, slot);
+}
+
+static void hisi_sas_task_prep_ssp(struct hisi_hba *hisi_hba,
+				  struct hisi_sas_slot *slot)
+{
+	hisi_hba->hw->prep_ssp(hisi_hba, slot);
+}
+
+static void hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba,
+				  struct hisi_sas_slot *slot)
+{
+	hisi_hba->hw->prep_stp(hisi_hba, slot);
+}
+
+static void hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba,
+				     struct hisi_sas_slot *slot)
+{
+	hisi_hba->hw->prep_abort(hisi_hba, slot);
+}
+
+static void hisi_sas_dma_unmap(struct hisi_hba *hisi_hba,
+			       struct sas_task *task, int n_elem)
+{
+	struct device *dev = hisi_hba->dev;
+
+	if (!sas_protocol_ata(task->task_proto) && n_elem) {
+		if (task->num_scatter) {
+			dma_unmap_sg(dev, task->scatter, task->num_scatter,
+				     task->data_dir);
+		} else if (task->task_proto & SAS_PROTOCOL_SMP) {
+			dma_unmap_sg(dev, &task->smp_task.smp_req,
+				     1, DMA_TO_DEVICE);
+		}
+	}
+}
+
+static int hisi_sas_dma_map(struct hisi_hba *hisi_hba,
+			    struct sas_task *task, int *n_elem)
+{
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	if (sas_protocol_ata(task->task_proto)) {
+		*n_elem = task->num_scatter;
+	} else {
+		unsigned int req_len;
+
+		if (task->num_scatter) {
+			*n_elem = dma_map_sg(dev, task->scatter,
+					     task->num_scatter, task->data_dir);
+			if (!*n_elem) {
+				rc = -ENOMEM;
+				goto prep_out;
+			}
+		} else if (task->task_proto & SAS_PROTOCOL_SMP) {
+			*n_elem = dma_map_sg(dev, &task->smp_task.smp_req,
+					     1, DMA_TO_DEVICE);
+			if (!*n_elem) {
+				rc = -ENOMEM;
+				goto prep_out;
+			}
+			req_len = sg_dma_len(&task->smp_task.smp_req);
+			if (req_len & 0x3) {
+				rc = -EINVAL;
+				goto err_out_dma_unmap;
+			}
+		}
+	}
+
+	if (*n_elem > HISI_SAS_SGE_PAGE_CNT) {
+		dev_err(dev, "task prep: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT\n",
+			*n_elem);
+		rc = -EINVAL;
+		goto err_out_dma_unmap;
+	}
+	return 0;
+
+err_out_dma_unmap:
+	/* It would be better to call dma_unmap_sg() here, but it's messy */
+	hisi_sas_dma_unmap(hisi_hba, task, *n_elem);
+prep_out:
+	return rc;
+}
+
+static void hisi_sas_dif_dma_unmap(struct hisi_hba *hisi_hba,
+				   struct sas_task *task, int n_elem_dif)
+{
+	struct device *dev = hisi_hba->dev;
+
+	if (n_elem_dif) {
+		struct sas_ssp_task *ssp_task = &task->ssp_task;
+		struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
+
+		dma_unmap_sg(dev, scsi_prot_sglist(scsi_cmnd),
+			     scsi_prot_sg_count(scsi_cmnd),
+			     task->data_dir);
+	}
+}
+
+static int hisi_sas_dif_dma_map(struct hisi_hba *hisi_hba,
+				int *n_elem_dif, struct sas_task *task)
+{
+	struct device *dev = hisi_hba->dev;
+	struct sas_ssp_task *ssp_task;
+	struct scsi_cmnd *scsi_cmnd;
+	int rc;
+
+	if (task->num_scatter) {
+		ssp_task = &task->ssp_task;
+		scsi_cmnd = ssp_task->cmd;
+
+		if (scsi_prot_sg_count(scsi_cmnd)) {
+			*n_elem_dif = dma_map_sg(dev,
+						 scsi_prot_sglist(scsi_cmnd),
+						 scsi_prot_sg_count(scsi_cmnd),
+						 task->data_dir);
+
+			if (!*n_elem_dif)
+				return -ENOMEM;
+
+			if (*n_elem_dif > HISI_SAS_SGE_DIF_PAGE_CNT) {
+				dev_err(dev, "task prep: n_elem_dif(%d) too large\n",
+					*n_elem_dif);
+				rc = -EINVAL;
+				goto err_out_dif_dma_unmap;
+			}
+		}
+	}
+
+	return 0;
+
+err_out_dif_dma_unmap:
+	dma_unmap_sg(dev, scsi_prot_sglist(scsi_cmnd),
+		     scsi_prot_sg_count(scsi_cmnd), task->data_dir);
+	return rc;
+}
+
+static
+void hisi_sas_task_deliver(struct hisi_hba *hisi_hba,
+			   struct hisi_sas_slot *slot,
+			   struct hisi_sas_dq *dq,
+			   struct hisi_sas_device *sas_dev)
+{
+	struct hisi_sas_cmd_hdr *cmd_hdr_base;
+	int dlvry_queue_slot, dlvry_queue;
+	struct sas_task *task = slot->task;
+	int wr_q_index;
+
+	spin_lock(&dq->lock);
+	wr_q_index = dq->wr_point;
+	dq->wr_point = (dq->wr_point + 1) % HISI_SAS_QUEUE_SLOTS;
+	list_add_tail(&slot->delivery, &dq->list);
+	spin_unlock(&dq->lock);
+	spin_lock(&sas_dev->lock);
+	list_add_tail(&slot->entry, &sas_dev->list);
+	spin_unlock(&sas_dev->lock);
+
+	dlvry_queue = dq->id;
+	dlvry_queue_slot = wr_q_index;
+
+	slot->device_id = sas_dev->device_id;
+	slot->dlvry_queue = dlvry_queue;
+	slot->dlvry_queue_slot = dlvry_queue_slot;
+	cmd_hdr_base = hisi_hba->cmd_hdr[dlvry_queue];
+	slot->cmd_hdr = &cmd_hdr_base[dlvry_queue_slot];
+
+	task->lldd_task = slot;
+
+	memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
+	memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
+	memset(hisi_sas_status_buf_addr_mem(slot), 0,
+	       sizeof(struct hisi_sas_err_record));
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SMP:
+		hisi_sas_task_prep_smp(hisi_hba, slot);
+		break;
+	case SAS_PROTOCOL_SSP:
+		hisi_sas_task_prep_ssp(hisi_hba, slot);
+		break;
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_STP_ALL:
+		hisi_sas_task_prep_ata(hisi_hba, slot);
+		break;
+	case SAS_PROTOCOL_INTERNAL_ABORT:
+		hisi_sas_task_prep_abort(hisi_hba, slot);
+		break;
+	default:
+		return;
+	}
+
+	/* Make slot memories observable before marking as ready */
+	smp_wmb();
+	WRITE_ONCE(slot->ready, 1);
+
+	spin_lock(&dq->lock);
+	hisi_hba->hw->start_delivery(dq);
+	spin_unlock(&dq->lock);
+}
+
+static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
+{
+	int n_elem = 0, n_elem_dif = 0;
+	struct domain_device *device = task->dev;
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	bool internal_abort = sas_is_internal_abort(task);
+	struct scsi_cmnd *scmd = NULL;
+	struct hisi_sas_dq *dq = NULL;
+	struct hisi_sas_port *port;
+	struct hisi_hba *hisi_hba;
+	struct hisi_sas_slot *slot;
+	struct device *dev;
+	int rc;
+
+	if (!sas_port) {
+		struct task_status_struct *ts = &task->task_status;
+
+		ts->resp = SAS_TASK_UNDELIVERED;
+		ts->stat = SAS_PHY_DOWN;
+		/*
+		 * libsas will use dev->port, should
+		 * not call task_done for sata
+		 */
+		if (device->dev_type != SAS_SATA_DEV && !internal_abort)
+			task->task_done(task);
+		return -ECOMM;
+	}
+
+	hisi_hba = dev_to_hisi_hba(device);
+	dev = hisi_hba->dev;
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+	case SAS_PROTOCOL_SMP:
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_STP_ALL:
+		if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags))) {
+			if (!gfpflags_allow_blocking(gfp_flags))
+				return -EINVAL;
+
+			down(&hisi_hba->sem);
+			up(&hisi_hba->sem);
+		}
+
+		if (DEV_IS_GONE(sas_dev)) {
+			if (sas_dev)
+				dev_info(dev, "task prep: device %d not ready\n",
+					 sas_dev->device_id);
+			else
+				dev_info(dev, "task prep: device %016llx not ready\n",
+					 SAS_ADDR(device->sas_addr));
+
+			return -ECOMM;
+		}
+
+		port = to_hisi_sas_port(sas_port);
+		if (!port->port_attached) {
+			dev_info(dev, "task prep: %s port%d not attach device\n",
+				 dev_is_sata(device) ? "SATA/STP" : "SAS",
+				 device->port->id);
+
+				return -ECOMM;
+		}
+
+		if (task->uldd_task) {
+			struct ata_queued_cmd *qc;
+
+			if (dev_is_sata(device)) {
+				qc = task->uldd_task;
+				scmd = qc->scsicmd;
+			} else {
+				scmd = task->uldd_task;
+			}
+		}
+
+		if (scmd) {
+			unsigned int dq_index;
+			u32 blk_tag;
+
+			blk_tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmd));
+			dq_index = blk_mq_unique_tag_to_hwq(blk_tag);
+			dq = &hisi_hba->dq[dq_index];
+		} else {
+			struct Scsi_Host *shost = hisi_hba->shost;
+			struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
+			int queue = qmap->mq_map[raw_smp_processor_id()];
+
+			dq = &hisi_hba->dq[queue];
+		}
+		break;
+	case SAS_PROTOCOL_INTERNAL_ABORT:
+		if (!hisi_hba->hw->prep_abort)
+			return TMF_RESP_FUNC_FAILED;
+
+		if (test_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags))
+			return -EIO;
+
+		hisi_hba = dev_to_hisi_hba(device);
+
+		if (unlikely(test_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags)))
+			return -EINVAL;
+
+		port = to_hisi_sas_port(sas_port);
+		dq = &hisi_hba->dq[task->abort_task.qid];
+		break;
+	default:
+		dev_err(hisi_hba->dev, "task prep: unknown/unsupported proto (0x%x)\n",
+			task->task_proto);
+		return -EINVAL;
+	}
+
+	rc = hisi_sas_dma_map(hisi_hba, task, &n_elem);
+	if (rc < 0)
+		goto prep_out;
+
+	if (!sas_protocol_ata(task->task_proto)) {
+		rc = hisi_sas_dif_dma_map(hisi_hba, &n_elem_dif, task);
+		if (rc < 0)
+			goto err_out_dma_unmap;
+	}
+
+	if (!internal_abort && hisi_hba->hw->slot_index_alloc)
+		rc = hisi_hba->hw->slot_index_alloc(hisi_hba, device);
+	else
+		rc = hisi_sas_slot_index_alloc(hisi_hba, scmd);
+
+	if (rc < 0)
+		goto err_out_dif_dma_unmap;
+
+	slot = &hisi_hba->slot_info[rc];
+	slot->n_elem = n_elem;
+	slot->n_elem_dif = n_elem_dif;
+	slot->task = task;
+	slot->port = port;
+
+	slot->tmf = task->tmf;
+	slot->is_internal = !!task->tmf || internal_abort;
+
+	/* protect task_prep and start_delivery sequence */
+	hisi_sas_task_deliver(hisi_hba, slot, dq, sas_dev);
+
+	return 0;
+
+err_out_dif_dma_unmap:
+	if (!sas_protocol_ata(task->task_proto))
+		hisi_sas_dif_dma_unmap(hisi_hba, task, n_elem_dif);
+err_out_dma_unmap:
+	hisi_sas_dma_unmap(hisi_hba, task, n_elem);
+prep_out:
+	dev_err(dev, "task exec: failed[%d]!\n", rc);
+	return rc;
+}
+
+static void hisi_sas_bytes_dmaed(struct hisi_hba *hisi_hba, int phy_no,
+				 gfp_t gfp_flags)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+	if (!phy->phy_attached)
+		return;
+
+	sas_notify_phy_event(sas_phy, PHYE_OOB_DONE, gfp_flags);
+
+	if (sas_phy->phy) {
+		struct sas_phy *sphy = sas_phy->phy;
+
+		sphy->negotiated_linkrate = sas_phy->linkrate;
+		sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+		sphy->maximum_linkrate_hw =
+			hisi_hba->hw->phy_get_max_linkrate();
+		if (sphy->minimum_linkrate == SAS_LINK_RATE_UNKNOWN)
+			sphy->minimum_linkrate = phy->minimum_linkrate;
+
+		if (sphy->maximum_linkrate == SAS_LINK_RATE_UNKNOWN)
+			sphy->maximum_linkrate = phy->maximum_linkrate;
+	}
+
+	if (phy->phy_type & PORT_TYPE_SAS) {
+		struct sas_identify_frame *id;
+
+		id = (struct sas_identify_frame *)phy->frame_rcvd;
+		id->dev_type = phy->identify.device_type;
+		id->initiator_bits = SAS_PROTOCOL_ALL;
+		id->target_bits = phy->identify.target_port_protocols;
+	} else if (phy->phy_type & PORT_TYPE_SATA) {
+		/* Nothing */
+	}
+
+	sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
+	sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, gfp_flags);
+}
+
+static struct hisi_sas_device *hisi_sas_alloc_dev(struct domain_device *device)
+{
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct hisi_sas_device *sas_dev = NULL;
+	int last = hisi_hba->last_dev_id;
+	int first = (hisi_hba->last_dev_id + 1) % HISI_SAS_MAX_DEVICES;
+	int i;
+
+	spin_lock(&hisi_hba->lock);
+	for (i = first; i != last; i %= HISI_SAS_MAX_DEVICES) {
+		if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) {
+			int queue = i % hisi_hba->queue_count;
+			struct hisi_sas_dq *dq = &hisi_hba->dq[queue];
+
+			hisi_hba->devices[i].device_id = i;
+			sas_dev = &hisi_hba->devices[i];
+			sas_dev->dev_status = HISI_SAS_DEV_INIT;
+			sas_dev->dev_type = device->dev_type;
+			sas_dev->hisi_hba = hisi_hba;
+			sas_dev->sas_device = device;
+			sas_dev->dq = dq;
+			spin_lock_init(&sas_dev->lock);
+			INIT_LIST_HEAD(&hisi_hba->devices[i].list);
+			break;
+		}
+		i++;
+	}
+	hisi_hba->last_dev_id = i;
+	spin_unlock(&hisi_hba->lock);
+
+	return sas_dev;
+}
+
+static void hisi_sas_tmf_aborted(struct sas_task *task)
+{
+	struct hisi_sas_slot *slot = task->lldd_task;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = sas_dev->hisi_hba;
+
+	if (slot) {
+		struct hisi_sas_cq *cq =
+			   &hisi_hba->cq[slot->dlvry_queue];
+		/*
+		 * sync irq to avoid free'ing task
+		 * before using task in IO completion
+		 */
+		synchronize_irq(cq->irq_no);
+		slot->task = NULL;
+	}
+}
+
+#define HISI_SAS_DISK_RECOVER_CNT 3
+static int hisi_sas_init_device(struct domain_device *device)
+{
+	int rc = TMF_RESP_FUNC_COMPLETE;
+	struct scsi_lun lun;
+	int retry = HISI_SAS_DISK_RECOVER_CNT;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+
+	switch (device->dev_type) {
+	case SAS_END_DEVICE:
+		int_to_scsilun(0, &lun);
+
+		while (retry-- > 0) {
+			rc = sas_abort_task_set(device, lun.scsi_lun);
+			if (rc == TMF_RESP_FUNC_COMPLETE) {
+				hisi_sas_release_task(hisi_hba, device);
+				break;
+			}
+		}
+		break;
+	case SAS_SATA_DEV:
+	case SAS_SATA_PM:
+	case SAS_SATA_PM_PORT:
+	case SAS_SATA_PENDING:
+		/*
+		 * If an expander is swapped when a SATA disk is attached then
+		 * we should issue a hard reset to clear previous affiliation
+		 * of STP target port, see SPL (chapter 6.19.4).
+		 *
+		 * However we don't need to issue a hard reset here for these
+		 * reasons:
+		 * a. When probing the device, libsas/libata already issues a
+		 * hard reset in sas_probe_sata() -> ata_sas_async_probe().
+		 * Note that in hisi_sas_debug_I_T_nexus_reset() we take care
+		 * to issue a hard reset by checking the dev status (== INIT).
+		 * b. When resetting the controller, this is simply unnecessary.
+		 */
+		while (retry-- > 0) {
+			rc = hisi_sas_softreset_ata_disk(device);
+			if (!rc)
+				break;
+		}
+		break;
+	default:
+		break;
+	}
+
+	return rc;
+}
+
+int hisi_sas_slave_alloc(struct scsi_device *sdev)
+{
+	struct domain_device *ddev = sdev_to_domain_dev(sdev);
+	struct hisi_sas_device *sas_dev = ddev->lldd_dev;
+	int rc;
+
+	rc = sas_slave_alloc(sdev);
+	if (rc)
+		return rc;
+
+	rc = hisi_sas_init_device(ddev);
+	if (rc)
+		return rc;
+	sas_dev->dev_status = HISI_SAS_DEV_NORMAL;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_slave_alloc);
+
+static int hisi_sas_dev_found(struct domain_device *device)
+{
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct domain_device *parent_dev = device->parent;
+	struct hisi_sas_device *sas_dev;
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	if (hisi_hba->hw->alloc_dev)
+		sas_dev = hisi_hba->hw->alloc_dev(device);
+	else
+		sas_dev = hisi_sas_alloc_dev(device);
+	if (!sas_dev) {
+		dev_err(dev, "fail alloc dev: max support %d devices\n",
+			HISI_SAS_MAX_DEVICES);
+		return -EINVAL;
+	}
+
+	device->lldd_dev = sas_dev;
+	hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+
+	if (parent_dev && dev_is_expander(parent_dev->dev_type)) {
+		int phy_no;
+		u8 phy_num = parent_dev->ex_dev.num_phys;
+		struct ex_phy *phy;
+
+		for (phy_no = 0; phy_no < phy_num; phy_no++) {
+			phy = &parent_dev->ex_dev.ex_phy[phy_no];
+			if (SAS_ADDR(phy->attached_sas_addr) ==
+				SAS_ADDR(device->sas_addr))
+				break;
+		}
+
+		if (phy_no == phy_num) {
+			dev_info(dev, "dev found: no attached "
+				 "dev:%016llx at ex:%016llx\n",
+				 SAS_ADDR(device->sas_addr),
+				 SAS_ADDR(parent_dev->sas_addr));
+			rc = -EINVAL;
+			goto err_out;
+		}
+	}
+
+	dev_info(dev, "dev[%d:%x] found\n",
+		sas_dev->device_id, sas_dev->dev_type);
+
+	return 0;
+
+err_out:
+	hisi_sas_dev_gone(device);
+	return rc;
+}
+
+int hisi_sas_slave_configure(struct scsi_device *sdev)
+{
+	struct domain_device *dev = sdev_to_domain_dev(sdev);
+	int ret = sas_slave_configure(sdev);
+
+	if (ret)
+		return ret;
+	if (!dev_is_sata(dev))
+		sas_change_queue_depth(sdev, 64);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_slave_configure);
+
+void hisi_sas_scan_start(struct Scsi_Host *shost)
+{
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+
+	hisi_hba->hw->phys_init(hisi_hba);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_scan_start);
+
+int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	struct sas_ha_struct *sha = &hisi_hba->sha;
+
+	/* Wait for PHY up interrupt to occur */
+	if (time < HZ)
+		return 0;
+
+	sas_drain_work(sha);
+	return 1;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_scan_finished);
+
+static void hisi_sas_phyup_work_common(struct work_struct *work,
+		enum hisi_sas_phy_event event)
+{
+	struct hisi_sas_phy *phy =
+		container_of(work, typeof(*phy), works[event]);
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	int phy_no = sas_phy->id;
+
+	phy->wait_phyup_cnt = 0;
+	if (phy->identify.target_port_protocols == SAS_PROTOCOL_SSP)
+		hisi_hba->hw->sl_notify_ssp(hisi_hba, phy_no);
+	hisi_sas_bytes_dmaed(hisi_hba, phy_no, GFP_KERNEL);
+}
+
+static void hisi_sas_phyup_work(struct work_struct *work)
+{
+	hisi_sas_phyup_work_common(work, HISI_PHYE_PHY_UP);
+}
+
+static void hisi_sas_linkreset_work(struct work_struct *work)
+{
+	struct hisi_sas_phy *phy =
+		container_of(work, typeof(*phy), works[HISI_PHYE_LINK_RESET]);
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+	hisi_sas_control_phy(sas_phy, PHY_FUNC_LINK_RESET, NULL);
+}
+
+static void hisi_sas_phyup_pm_work(struct work_struct *work)
+{
+	struct hisi_sas_phy *phy =
+		container_of(work, typeof(*phy), works[HISI_PHYE_PHY_UP_PM]);
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct device *dev = hisi_hba->dev;
+
+	hisi_sas_phyup_work_common(work, HISI_PHYE_PHY_UP_PM);
+	pm_runtime_put_sync(dev);
+}
+
+static const work_func_t hisi_sas_phye_fns[HISI_PHYES_NUM] = {
+	[HISI_PHYE_PHY_UP] = hisi_sas_phyup_work,
+	[HISI_PHYE_LINK_RESET] = hisi_sas_linkreset_work,
+	[HISI_PHYE_PHY_UP_PM] = hisi_sas_phyup_pm_work,
+};
+
+bool hisi_sas_notify_phy_event(struct hisi_sas_phy *phy,
+				enum hisi_sas_phy_event event)
+{
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+
+	if (WARN_ON(event >= HISI_PHYES_NUM))
+		return false;
+
+	return queue_work(hisi_hba->wq, &phy->works[event]);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_notify_phy_event);
+
+static void hisi_sas_wait_phyup_timedout(struct timer_list *t)
+{
+	struct hisi_sas_phy *phy = from_timer(phy, t, timer);
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct device *dev = hisi_hba->dev;
+	int phy_no = phy->sas_phy.id;
+
+	dev_warn(dev, "phy%d wait phyup timeout, issuing link reset\n", phy_no);
+	hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+}
+
+#define HISI_SAS_WAIT_PHYUP_RETRIES	10
+
+void hisi_sas_phy_oob_ready(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct device *dev = hisi_hba->dev;
+	unsigned long flags;
+
+	dev_dbg(dev, "phy%d OOB ready\n", phy_no);
+	spin_lock_irqsave(&phy->lock, flags);
+	if (phy->phy_attached) {
+		spin_unlock_irqrestore(&phy->lock, flags);
+		return;
+	}
+
+	if (!timer_pending(&phy->timer)) {
+		if (phy->wait_phyup_cnt < HISI_SAS_WAIT_PHYUP_RETRIES) {
+			phy->wait_phyup_cnt++;
+			phy->timer.expires = jiffies +
+					     HISI_SAS_WAIT_PHYUP_TIMEOUT;
+			add_timer(&phy->timer);
+			spin_unlock_irqrestore(&phy->lock, flags);
+			return;
+		}
+
+		dev_warn(dev, "phy%d failed to come up %d times, giving up\n",
+			 phy_no, phy->wait_phyup_cnt);
+		phy->wait_phyup_cnt = 0;
+	}
+	spin_unlock_irqrestore(&phy->lock, flags);
+}
+
+EXPORT_SYMBOL_GPL(hisi_sas_phy_oob_ready);
+
+static void hisi_sas_phy_init(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	int i;
+
+	phy->hisi_hba = hisi_hba;
+	phy->port = NULL;
+	phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+	phy->maximum_linkrate = hisi_hba->hw->phy_get_max_linkrate();
+	sas_phy->enabled = (phy_no < hisi_hba->n_phy) ? 1 : 0;
+	sas_phy->class = SAS;
+	sas_phy->iproto = SAS_PROTOCOL_ALL;
+	sas_phy->tproto = 0;
+	sas_phy->type = PHY_TYPE_PHYSICAL;
+	sas_phy->role = PHY_ROLE_INITIATOR;
+	sas_phy->oob_mode = OOB_NOT_CONNECTED;
+	sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
+	sas_phy->id = phy_no;
+	sas_phy->sas_addr = &hisi_hba->sas_addr[0];
+	sas_phy->frame_rcvd = &phy->frame_rcvd[0];
+	sas_phy->ha = (struct sas_ha_struct *)hisi_hba->shost->hostdata;
+	sas_phy->lldd_phy = phy;
+
+	for (i = 0; i < HISI_PHYES_NUM; i++)
+		INIT_WORK(&phy->works[i], hisi_sas_phye_fns[i]);
+
+	spin_lock_init(&phy->lock);
+
+	timer_setup(&phy->timer, hisi_sas_wait_phyup_timedout, 0);
+}
+
+/* Wrapper to ensure we track hisi_sas_phy.enable properly */
+void hisi_sas_phy_enable(struct hisi_hba *hisi_hba, int phy_no, int enable)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *aphy = &phy->sas_phy;
+	struct sas_phy *sphy = aphy->phy;
+	unsigned long flags;
+
+	spin_lock_irqsave(&phy->lock, flags);
+
+	if (enable) {
+		/* We may have been enabled already; if so, don't touch */
+		if (!phy->enable)
+			sphy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
+		hisi_hba->hw->phy_start(hisi_hba, phy_no);
+	} else {
+		sphy->negotiated_linkrate = SAS_PHY_DISABLED;
+		hisi_hba->hw->phy_disable(hisi_hba, phy_no);
+	}
+	phy->enable = enable;
+	spin_unlock_irqrestore(&phy->lock, flags);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_phy_enable);
+
+static void hisi_sas_port_notify_formed(struct asd_sas_phy *sas_phy)
+{
+	struct sas_ha_struct *sas_ha = sas_phy->ha;
+	struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+	struct hisi_sas_phy *phy = sas_phy->lldd_phy;
+	struct asd_sas_port *sas_port = sas_phy->port;
+	struct hisi_sas_port *port;
+	unsigned long flags;
+
+	if (!sas_port)
+		return;
+
+	port = to_hisi_sas_port(sas_port);
+	spin_lock_irqsave(&hisi_hba->lock, flags);
+	port->port_attached = 1;
+	port->id = phy->port_id;
+	phy->port = port;
+	sas_port->lldd_port = port;
+	spin_unlock_irqrestore(&hisi_hba->lock, flags);
+}
+
+static void hisi_sas_do_release_task(struct hisi_hba *hisi_hba, struct sas_task *task,
+				     struct hisi_sas_slot *slot)
+{
+	if (task) {
+		unsigned long flags;
+		struct task_status_struct *ts;
+
+		ts = &task->task_status;
+
+		ts->resp = SAS_TASK_COMPLETE;
+		ts->stat = SAS_ABORTED_TASK;
+		spin_lock_irqsave(&task->task_state_lock, flags);
+		task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+		if (!slot->is_internal && task->task_proto != SAS_PROTOCOL_SMP)
+			task->task_state_flags |= SAS_TASK_STATE_DONE;
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+	}
+
+	hisi_sas_slot_task_free(hisi_hba, task, slot);
+}
+
+static void hisi_sas_release_task(struct hisi_hba *hisi_hba,
+			struct domain_device *device)
+{
+	struct hisi_sas_slot *slot, *slot2;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+
+	list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry)
+		hisi_sas_do_release_task(hisi_hba, slot->task, slot);
+}
+
+void hisi_sas_release_tasks(struct hisi_hba *hisi_hba)
+{
+	struct hisi_sas_device *sas_dev;
+	struct domain_device *device;
+	int i;
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		sas_dev = &hisi_hba->devices[i];
+		device = sas_dev->sas_device;
+
+		if ((sas_dev->dev_type == SAS_PHY_UNUSED) ||
+		    !device)
+			continue;
+
+		hisi_sas_release_task(hisi_hba, device);
+	}
+}
+EXPORT_SYMBOL_GPL(hisi_sas_release_tasks);
+
+static void hisi_sas_dereg_device(struct hisi_hba *hisi_hba,
+				struct domain_device *device)
+{
+	if (hisi_hba->hw->dereg_device)
+		hisi_hba->hw->dereg_device(hisi_hba, device);
+}
+
+static int
+hisi_sas_internal_task_abort_dev(struct hisi_sas_device *sas_dev,
+				 bool rst_ha_timeout)
+{
+	struct hisi_sas_internal_abort_data data = { rst_ha_timeout };
+	struct domain_device *device = sas_dev->sas_device;
+	struct hisi_hba *hisi_hba = sas_dev->hisi_hba;
+	int i, rc;
+
+	for (i = 0; i < hisi_hba->cq_nvecs; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+		const struct cpumask *mask = cq->irq_mask;
+
+		if (mask && !cpumask_intersects(cpu_online_mask, mask))
+			continue;
+		rc = sas_execute_internal_abort_dev(device, i, &data);
+		if (rc)
+			return rc;
+	}
+
+	return 0;
+}
+
+static void hisi_sas_dev_gone(struct domain_device *device)
+{
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct device *dev = hisi_hba->dev;
+	int ret = 0;
+
+	dev_info(dev, "dev[%d:%x] is gone\n",
+		 sas_dev->device_id, sas_dev->dev_type);
+
+	down(&hisi_hba->sem);
+	if (!test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags)) {
+		hisi_sas_internal_task_abort_dev(sas_dev, true);
+
+		hisi_sas_dereg_device(hisi_hba, device);
+
+		ret = hisi_hba->hw->clear_itct(hisi_hba, sas_dev);
+		device->lldd_dev = NULL;
+	}
+
+	if (hisi_hba->hw->free_device)
+		hisi_hba->hw->free_device(sas_dev);
+
+	/* Don't mark it as SAS_PHY_UNUSED if failed to clear ITCT */
+	if (!ret)
+		sas_dev->dev_type = SAS_PHY_UNUSED;
+	sas_dev->sas_device = NULL;
+	up(&hisi_hba->sem);
+}
+
+static int hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
+			struct sas_phy_linkrates *r)
+{
+	struct sas_phy_linkrates _r;
+
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	enum sas_linkrate min, max;
+
+	if (r->minimum_linkrate > SAS_LINK_RATE_1_5_GBPS)
+		return -EINVAL;
+
+	if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) {
+		max = sas_phy->phy->maximum_linkrate;
+		min = r->minimum_linkrate;
+	} else if (r->minimum_linkrate == SAS_LINK_RATE_UNKNOWN) {
+		max = r->maximum_linkrate;
+		min = sas_phy->phy->minimum_linkrate;
+	} else
+		return -EINVAL;
+
+	_r.maximum_linkrate = max;
+	_r.minimum_linkrate = min;
+
+	sas_phy->phy->maximum_linkrate = max;
+	sas_phy->phy->minimum_linkrate = min;
+
+	hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+	msleep(100);
+	hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, &_r);
+	hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+
+	return 0;
+}
+
+static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
+				void *funcdata)
+{
+	struct hisi_sas_phy *phy = container_of(sas_phy,
+			struct hisi_sas_phy, sas_phy);
+	struct sas_ha_struct *sas_ha = sas_phy->ha;
+	struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+	struct device *dev = hisi_hba->dev;
+	DECLARE_COMPLETION_ONSTACK(completion);
+	int phy_no = sas_phy->id;
+	u8 sts = phy->phy_attached;
+	int ret = 0;
+
+	down(&hisi_hba->sem);
+	phy->reset_completion = &completion;
+
+	switch (func) {
+	case PHY_FUNC_HARD_RESET:
+		hisi_hba->hw->phy_hard_reset(hisi_hba, phy_no);
+		break;
+
+	case PHY_FUNC_LINK_RESET:
+		hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+		msleep(100);
+		hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+		break;
+
+	case PHY_FUNC_DISABLE:
+		hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+		goto out;
+
+	case PHY_FUNC_SET_LINK_RATE:
+		ret = hisi_sas_phy_set_linkrate(hisi_hba, phy_no, funcdata);
+		break;
+
+	case PHY_FUNC_GET_EVENTS:
+		if (hisi_hba->hw->get_events) {
+			hisi_hba->hw->get_events(hisi_hba, phy_no);
+			goto out;
+		}
+		fallthrough;
+	case PHY_FUNC_RELEASE_SPINUP_HOLD:
+	default:
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (sts && !wait_for_completion_timeout(&completion,
+		HISI_SAS_WAIT_PHYUP_TIMEOUT)) {
+		dev_warn(dev, "phy%d wait phyup timed out for func %d\n",
+			 phy_no, func);
+		if (phy->in_reset)
+			ret = -ETIMEDOUT;
+	}
+
+out:
+	phy->reset_completion = NULL;
+
+	up(&hisi_hba->sem);
+	return ret;
+}
+
+static void hisi_sas_fill_ata_reset_cmd(struct ata_device *dev,
+		bool reset, int pmp, u8 *fis)
+{
+	struct ata_taskfile tf;
+
+	ata_tf_init(dev, &tf);
+	if (reset)
+		tf.ctl |= ATA_SRST;
+	else
+		tf.ctl &= ~ATA_SRST;
+	tf.command = ATA_CMD_DEV_RESET;
+	ata_tf_to_fis(&tf, pmp, 0, fis);
+}
+
+static int hisi_sas_softreset_ata_disk(struct domain_device *device)
+{
+	u8 fis[20] = {0};
+	struct ata_port *ap = device->sata_dev.ap;
+	struct ata_link *link;
+	int rc = TMF_RESP_FUNC_FAILED;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct device *dev = hisi_hba->dev;
+
+	ata_for_each_link(link, ap, EDGE) {
+		int pmp = sata_srst_pmp(link);
+
+		hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis);
+		rc = sas_execute_ata_cmd(device, fis, -1);
+		if (rc != TMF_RESP_FUNC_COMPLETE)
+			break;
+	}
+
+	if (rc == TMF_RESP_FUNC_COMPLETE) {
+		ata_for_each_link(link, ap, EDGE) {
+			int pmp = sata_srst_pmp(link);
+
+			hisi_sas_fill_ata_reset_cmd(link->device, 0, pmp, fis);
+			rc = sas_execute_ata_cmd(device, fis, -1);
+			if (rc != TMF_RESP_FUNC_COMPLETE)
+				dev_err(dev, "ata disk %016llx de-reset failed\n",
+					SAS_ADDR(device->sas_addr));
+		}
+	} else {
+		dev_err(dev, "ata disk %016llx reset failed\n",
+			SAS_ADDR(device->sas_addr));
+	}
+
+	if (rc == TMF_RESP_FUNC_COMPLETE)
+		hisi_sas_release_task(hisi_hba, device);
+
+	return rc;
+}
+
+static void hisi_sas_refresh_port_id(struct hisi_hba *hisi_hba)
+{
+	u32 state = hisi_hba->hw->get_phys_state(hisi_hba);
+	int i;
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		struct hisi_sas_device *sas_dev = &hisi_hba->devices[i];
+		struct domain_device *device = sas_dev->sas_device;
+		struct asd_sas_port *sas_port;
+		struct hisi_sas_port *port;
+		struct hisi_sas_phy *phy = NULL;
+		struct asd_sas_phy *sas_phy;
+
+		if ((sas_dev->dev_type == SAS_PHY_UNUSED)
+				|| !device || !device->port)
+			continue;
+
+		sas_port = device->port;
+		port = to_hisi_sas_port(sas_port);
+
+		spin_lock(&sas_port->phy_list_lock);
+		list_for_each_entry(sas_phy, &sas_port->phy_list, port_phy_el)
+			if (state & BIT(sas_phy->id)) {
+				phy = sas_phy->lldd_phy;
+				break;
+			}
+		spin_unlock(&sas_port->phy_list_lock);
+
+		if (phy) {
+			port->id = phy->port_id;
+
+			/* Update linkrate of directly attached device. */
+			if (!device->parent)
+				device->linkrate = phy->sas_phy.linkrate;
+
+			hisi_hba->hw->setup_itct(hisi_hba, sas_dev);
+		} else if (!port->port_attached)
+			port->id = 0xff;
+	}
+}
+
+static void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 state)
+{
+	struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+	struct asd_sas_port *_sas_port = NULL;
+	int phy_no;
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+		struct asd_sas_port *sas_port = sas_phy->port;
+		bool do_port_check = _sas_port != sas_port;
+
+		if (!sas_phy->phy->enabled)
+			continue;
+
+		/* Report PHY state change to libsas */
+		if (state & BIT(phy_no)) {
+			if (do_port_check && sas_port && sas_port->port_dev) {
+				struct domain_device *dev = sas_port->port_dev;
+
+				_sas_port = sas_port;
+
+				if (dev_is_expander(dev->dev_type))
+					sas_notify_port_event(sas_phy,
+							PORTE_BROADCAST_RCVD,
+							GFP_KERNEL);
+			}
+		} else {
+			hisi_sas_phy_down(hisi_hba, phy_no, 0, GFP_KERNEL);
+		}
+	}
+	/*
+	 * Ensure any bcast events are processed prior to calling async nexus
+	 * reset calls from hisi_sas_clear_nexus_ha() ->
+	 * hisi_sas_async_I_T_nexus_reset()
+	 */
+	sas_drain_work(sas_ha);
+}
+
+static void hisi_sas_reset_init_all_devices(struct hisi_hba *hisi_hba)
+{
+	struct hisi_sas_device *sas_dev;
+	struct domain_device *device;
+	int i;
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		sas_dev = &hisi_hba->devices[i];
+		device = sas_dev->sas_device;
+
+		if ((sas_dev->dev_type == SAS_PHY_UNUSED) || !device)
+			continue;
+
+		hisi_sas_init_device(device);
+	}
+}
+
+static void hisi_sas_send_ata_reset_each_phy(struct hisi_hba *hisi_hba,
+					     struct asd_sas_port *sas_port,
+					     struct domain_device *device)
+{
+	struct ata_port *ap = device->sata_dev.ap;
+	struct device *dev = hisi_hba->dev;
+	int rc = TMF_RESP_FUNC_FAILED;
+	struct ata_link *link;
+	u8 fis[20] = {0};
+	int i;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		if (!(sas_port->phy_mask & BIT(i)))
+			continue;
+
+		ata_for_each_link(link, ap, EDGE) {
+			int pmp = sata_srst_pmp(link);
+
+			hisi_sas_fill_ata_reset_cmd(link->device, 1, pmp, fis);
+			rc = sas_execute_ata_cmd(device, fis, i);
+			if (rc != TMF_RESP_FUNC_COMPLETE) {
+				dev_err(dev, "phy%d ata reset failed rc=%d\n",
+					i, rc);
+				break;
+			}
+		}
+	}
+}
+
+static void hisi_sas_terminate_stp_reject(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int port_no, rc, i;
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		struct hisi_sas_device *sas_dev = &hisi_hba->devices[i];
+		struct domain_device *device = sas_dev->sas_device;
+
+		if ((sas_dev->dev_type == SAS_PHY_UNUSED) || !device)
+			continue;
+
+		rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
+		if (rc < 0)
+			dev_err(dev, "STP reject: abort dev failed %d\n", rc);
+	}
+
+	for (port_no = 0; port_no < hisi_hba->n_phy; port_no++) {
+		struct hisi_sas_port *port = &hisi_hba->port[port_no];
+		struct asd_sas_port *sas_port = &port->sas_port;
+		struct domain_device *port_dev = sas_port->port_dev;
+		struct domain_device *device;
+
+		if (!port_dev || !dev_is_expander(port_dev->dev_type))
+			continue;
+
+		/* Try to find a SATA device */
+		list_for_each_entry(device, &sas_port->dev_list,
+				    dev_list_node) {
+			if (dev_is_sata(device)) {
+				hisi_sas_send_ata_reset_each_phy(hisi_hba,
+								 sas_port,
+								 device);
+				break;
+			}
+		}
+	}
+}
+
+void hisi_sas_controller_reset_prepare(struct hisi_hba *hisi_hba)
+{
+	struct Scsi_Host *shost = hisi_hba->shost;
+
+	hisi_hba->phy_state = hisi_hba->hw->get_phys_state(hisi_hba);
+
+	scsi_block_requests(shost);
+	hisi_hba->hw->wait_cmds_complete_timeout(hisi_hba, 100, 5000);
+
+	del_timer_sync(&hisi_hba->timer);
+
+	set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_controller_reset_prepare);
+
+void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba)
+{
+	struct Scsi_Host *shost = hisi_hba->shost;
+
+	/* Init and wait for PHYs to come up and all libsas event finished. */
+	hisi_hba->hw->phys_init(hisi_hba);
+	msleep(1000);
+	hisi_sas_refresh_port_id(hisi_hba);
+	clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+
+	if (hisi_hba->reject_stp_links_msk)
+		hisi_sas_terminate_stp_reject(hisi_hba);
+	hisi_sas_reset_init_all_devices(hisi_hba);
+	scsi_unblock_requests(shost);
+	clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+	up(&hisi_hba->sem);
+
+	hisi_sas_rescan_topology(hisi_hba, hisi_hba->phy_state);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_controller_reset_done);
+
+static int hisi_sas_controller_prereset(struct hisi_hba *hisi_hba)
+{
+	if (!hisi_hba->hw->soft_reset)
+		return -ENOENT;
+
+	down(&hisi_hba->sem);
+	if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags)) {
+		up(&hisi_hba->sem);
+		return -EPERM;
+	}
+
+	if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct)
+		hisi_hba->hw->debugfs_snapshot_regs(hisi_hba);
+
+	return 0;
+}
+
+static int hisi_sas_controller_reset(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	int rc;
+
+	dev_info(dev, "controller resetting...\n");
+	hisi_sas_controller_reset_prepare(hisi_hba);
+
+	rc = hisi_hba->hw->soft_reset(hisi_hba);
+	if (rc) {
+		dev_warn(dev, "controller reset failed (%d)\n", rc);
+		clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+		up(&hisi_hba->sem);
+		scsi_unblock_requests(shost);
+		clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+		return rc;
+	}
+	clear_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags);
+
+	hisi_sas_controller_reset_done(hisi_hba);
+	dev_info(dev, "controller reset complete\n");
+
+	return 0;
+}
+
+static int hisi_sas_abort_task(struct sas_task *task)
+{
+	struct hisi_sas_internal_abort_data internal_abort_data = { false };
+	struct domain_device *device = task->dev;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba;
+	struct device *dev;
+	int rc = TMF_RESP_FUNC_FAILED;
+	unsigned long flags;
+
+	if (!sas_dev)
+		return TMF_RESP_FUNC_FAILED;
+
+	hisi_hba = dev_to_hisi_hba(task->dev);
+	dev = hisi_hba->dev;
+
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	if (task->task_state_flags & SAS_TASK_STATE_DONE) {
+		struct hisi_sas_slot *slot = task->lldd_task;
+		struct hisi_sas_cq *cq;
+
+		if (slot) {
+			/*
+			 * sync irq to avoid free'ing task
+			 * before using task in IO completion
+			 */
+			cq = &hisi_hba->cq[slot->dlvry_queue];
+			synchronize_irq(cq->irq_no);
+		}
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+		rc = TMF_RESP_FUNC_COMPLETE;
+		goto out;
+	}
+	task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+	if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
+		struct hisi_sas_slot *slot = task->lldd_task;
+		u16 tag = slot->idx;
+		int rc2;
+
+		rc = sas_abort_task(task, tag);
+		rc2 = sas_execute_internal_abort_single(device, tag,
+				slot->dlvry_queue, &internal_abort_data);
+		if (rc2 < 0) {
+			dev_err(dev, "abort task: internal abort (%d)\n", rc2);
+			return TMF_RESP_FUNC_FAILED;
+		}
+
+		/*
+		 * If the TMF finds that the IO is not in the device and also
+		 * the internal abort does not succeed, then it is safe to
+		 * free the slot.
+		 * Note: if the internal abort succeeds then the slot
+		 * will have already been completed
+		 */
+		if (rc == TMF_RESP_FUNC_COMPLETE && rc2 != TMF_RESP_FUNC_SUCC) {
+			if (task->lldd_task)
+				hisi_sas_do_release_task(hisi_hba, task, slot);
+		}
+	} else if (task->task_proto & SAS_PROTOCOL_SATA ||
+		task->task_proto & SAS_PROTOCOL_STP) {
+		if (task->dev->dev_type == SAS_SATA_DEV) {
+			rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
+			if (rc < 0) {
+				dev_err(dev, "abort task: internal abort failed\n");
+				goto out;
+			}
+			hisi_sas_dereg_device(hisi_hba, device);
+			rc = hisi_sas_softreset_ata_disk(device);
+		}
+	} else if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SMP) {
+		/* SMP */
+		struct hisi_sas_slot *slot = task->lldd_task;
+		u32 tag = slot->idx;
+		struct hisi_sas_cq *cq = &hisi_hba->cq[slot->dlvry_queue];
+
+		rc = sas_execute_internal_abort_single(device,
+						       tag, slot->dlvry_queue,
+						       &internal_abort_data);
+		if (((rc < 0) || (rc == TMF_RESP_FUNC_FAILED)) &&
+					task->lldd_task) {
+			/*
+			 * sync irq to avoid free'ing task
+			 * before using task in IO completion
+			 */
+			synchronize_irq(cq->irq_no);
+			slot->task = NULL;
+		}
+	}
+
+out:
+	if (rc != TMF_RESP_FUNC_COMPLETE)
+		dev_notice(dev, "abort task: rc=%d\n", rc);
+	return rc;
+}
+
+static int hisi_sas_abort_task_set(struct domain_device *device, u8 *lun)
+{
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
+	if (rc < 0) {
+		dev_err(dev, "abort task set: internal abort rc=%d\n", rc);
+		return TMF_RESP_FUNC_FAILED;
+	}
+	hisi_sas_dereg_device(hisi_hba, device);
+
+	rc = sas_abort_task_set(device, lun);
+	if (rc == TMF_RESP_FUNC_COMPLETE)
+		hisi_sas_release_task(hisi_hba, device);
+
+	return rc;
+}
+
+static int hisi_sas_debug_I_T_nexus_reset(struct domain_device *device)
+{
+	struct sas_phy *local_phy = sas_get_local_phy(device);
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct sas_ha_struct *sas_ha = &hisi_hba->sha;
+	int rc, reset_type;
+
+	if (!local_phy->enabled) {
+		sas_put_local_phy(local_phy);
+		return -ENODEV;
+	}
+
+	if (scsi_is_sas_phy_local(local_phy)) {
+		struct asd_sas_phy *sas_phy =
+			sas_ha->sas_phy[local_phy->number];
+		struct hisi_sas_phy *phy =
+			container_of(sas_phy, struct hisi_sas_phy, sas_phy);
+		unsigned long flags;
+
+		spin_lock_irqsave(&phy->lock, flags);
+		phy->in_reset = 1;
+		spin_unlock_irqrestore(&phy->lock, flags);
+	}
+
+	reset_type = (sas_dev->dev_status == HISI_SAS_DEV_INIT ||
+		      !dev_is_sata(device)) ? true : false;
+
+	rc = sas_phy_reset(local_phy, reset_type);
+	sas_put_local_phy(local_phy);
+
+	if (scsi_is_sas_phy_local(local_phy)) {
+		struct asd_sas_phy *sas_phy =
+			sas_ha->sas_phy[local_phy->number];
+		struct hisi_sas_phy *phy =
+			container_of(sas_phy, struct hisi_sas_phy, sas_phy);
+		unsigned long flags;
+
+		spin_lock_irqsave(&phy->lock, flags);
+		phy->in_reset = 0;
+		spin_unlock_irqrestore(&phy->lock, flags);
+
+		/* report PHY down if timed out */
+		if (rc == -ETIMEDOUT)
+			hisi_sas_phy_down(hisi_hba, sas_phy->id, 0, GFP_KERNEL);
+		return rc;
+	}
+
+	/* Remote phy */
+	if (rc)
+		return rc;
+
+	if (dev_is_sata(device)) {
+		struct ata_link *link = &device->sata_dev.ap->link;
+
+		rc = ata_wait_after_reset(link, HISI_SAS_WAIT_PHYUP_TIMEOUT,
+					  smp_ata_check_ready_type);
+	} else {
+		msleep(2000);
+	}
+
+	return rc;
+}
+
+static int hisi_sas_I_T_nexus_reset(struct domain_device *device)
+{
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
+	if (rc < 0) {
+		dev_err(dev, "I_T nexus reset: internal abort (%d)\n", rc);
+		return TMF_RESP_FUNC_FAILED;
+	}
+	hisi_sas_dereg_device(hisi_hba, device);
+
+	rc = hisi_sas_debug_I_T_nexus_reset(device);
+	if (rc == TMF_RESP_FUNC_COMPLETE && dev_is_sata(device)) {
+		struct sas_phy *local_phy;
+
+		rc = hisi_sas_softreset_ata_disk(device);
+		switch (rc) {
+		case -ECOMM:
+			rc = -ENODEV;
+			break;
+		case TMF_RESP_FUNC_FAILED:
+		case -EMSGSIZE:
+		case -EIO:
+			local_phy = sas_get_local_phy(device);
+			rc = sas_phy_enable(local_phy, 0);
+			if (!rc) {
+				local_phy->enabled = 0;
+				dev_err(dev, "Disabled local phy of ATA disk %016llx due to softreset fail (%d)\n",
+					SAS_ADDR(device->sas_addr), rc);
+				rc = -ENODEV;
+			}
+			sas_put_local_phy(local_phy);
+			break;
+		default:
+			break;
+		}
+	}
+
+	if ((rc == TMF_RESP_FUNC_COMPLETE) || (rc == -ENODEV))
+		hisi_sas_release_task(hisi_hba, device);
+
+	return rc;
+}
+
+static int hisi_sas_lu_reset(struct domain_device *device, u8 *lun)
+{
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct device *dev = hisi_hba->dev;
+	int rc = TMF_RESP_FUNC_FAILED;
+
+	/* Clear internal IO and then lu reset */
+	rc = hisi_sas_internal_task_abort_dev(sas_dev, false);
+	if (rc < 0) {
+		dev_err(dev, "lu_reset: internal abort failed\n");
+		goto out;
+	}
+	hisi_sas_dereg_device(hisi_hba, device);
+
+	if (dev_is_sata(device)) {
+		struct sas_phy *phy;
+
+		phy = sas_get_local_phy(device);
+
+		rc = sas_phy_reset(phy, true);
+
+		if (rc == 0)
+			hisi_sas_release_task(hisi_hba, device);
+		sas_put_local_phy(phy);
+	} else {
+		rc = sas_lu_reset(device, lun);
+		if (rc == TMF_RESP_FUNC_COMPLETE)
+			hisi_sas_release_task(hisi_hba, device);
+	}
+out:
+	if (rc != TMF_RESP_FUNC_COMPLETE)
+		dev_err(dev, "lu_reset: for device[%d]:rc= %d\n",
+			     sas_dev->device_id, rc);
+	return rc;
+}
+
+static void hisi_sas_async_I_T_nexus_reset(void *data, async_cookie_t cookie)
+{
+	struct domain_device *device = data;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	int rc;
+
+	rc = hisi_sas_debug_I_T_nexus_reset(device);
+	if (rc != TMF_RESP_FUNC_COMPLETE)
+		dev_info(hisi_hba->dev, "I_T_nexus reset fail for dev:%016llx rc=%d\n",
+			 SAS_ADDR(device->sas_addr), rc);
+}
+
+static int hisi_sas_clear_nexus_ha(struct sas_ha_struct *sas_ha)
+{
+	struct hisi_hba *hisi_hba = sas_ha->lldd_ha;
+	HISI_SAS_DECLARE_RST_WORK_ON_STACK(r);
+	ASYNC_DOMAIN_EXCLUSIVE(async);
+	int i, ret;
+
+	queue_work(hisi_hba->wq, &r.work);
+	wait_for_completion(r.completion);
+	if (!r.done) {
+		ret = TMF_RESP_FUNC_FAILED;
+		goto out;
+	}
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		struct hisi_sas_device *sas_dev = &hisi_hba->devices[i];
+		struct domain_device *device = sas_dev->sas_device;
+
+		if ((sas_dev->dev_type == SAS_PHY_UNUSED) || !device ||
+		    dev_is_expander(device->dev_type))
+			continue;
+
+		async_schedule_domain(hisi_sas_async_I_T_nexus_reset,
+				      device, &async);
+	}
+
+	async_synchronize_full_domain(&async);
+	hisi_sas_release_tasks(hisi_hba);
+
+	ret = TMF_RESP_FUNC_COMPLETE;
+out:
+	return ret;
+}
+
+static int hisi_sas_query_task(struct sas_task *task)
+{
+	int rc = TMF_RESP_FUNC_FAILED;
+
+	if (task->lldd_task && task->task_proto & SAS_PROTOCOL_SSP) {
+		struct hisi_sas_slot *slot = task->lldd_task;
+		u32 tag = slot->idx;
+
+		rc = sas_query_task(task, tag);
+		switch (rc) {
+		/* The task is still in Lun, release it then */
+		case TMF_RESP_FUNC_SUCC:
+		/* The task is not in Lun or failed, reset the phy */
+		case TMF_RESP_FUNC_FAILED:
+		case TMF_RESP_FUNC_COMPLETE:
+			break;
+		default:
+			rc = TMF_RESP_FUNC_FAILED;
+			break;
+		}
+	}
+	return rc;
+}
+
+static bool hisi_sas_internal_abort_timeout(struct sas_task *task,
+					    void *data)
+{
+	struct domain_device *device = task->dev;
+	struct hisi_hba *hisi_hba = dev_to_hisi_hba(device);
+	struct hisi_sas_internal_abort_data *timeout = data;
+
+	if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct)
+		queue_work(hisi_hba->wq, &hisi_hba->debugfs_work);
+
+	if (task->task_state_flags & SAS_TASK_STATE_DONE) {
+		pr_err("Internal abort: timeout %016llx\n",
+		       SAS_ADDR(device->sas_addr));
+	} else {
+		struct hisi_sas_slot *slot = task->lldd_task;
+
+		set_bit(HISI_SAS_HW_FAULT_BIT, &hisi_hba->flags);
+
+		if (slot) {
+			struct hisi_sas_cq *cq =
+				&hisi_hba->cq[slot->dlvry_queue];
+			/*
+			 * sync irq to avoid free'ing task
+			 * before using task in IO completion
+			 */
+			synchronize_irq(cq->irq_no);
+			slot->task = NULL;
+		}
+
+		if (timeout->rst_ha_timeout) {
+			pr_err("Internal abort: timeout and not done %016llx. Queuing reset.\n",
+			       SAS_ADDR(device->sas_addr));
+			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		} else {
+			pr_err("Internal abort: timeout and not done %016llx.\n",
+			       SAS_ADDR(device->sas_addr));
+		}
+
+		return true;
+	}
+
+	return false;
+}
+
+static void hisi_sas_port_formed(struct asd_sas_phy *sas_phy)
+{
+	hisi_sas_port_notify_formed(sas_phy);
+}
+
+static int hisi_sas_write_gpio(struct sas_ha_struct *sha, u8 reg_type,
+			u8 reg_index, u8 reg_count, u8 *write_data)
+{
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+
+	if (!hisi_hba->hw->write_gpio)
+		return -EOPNOTSUPP;
+
+	return hisi_hba->hw->write_gpio(hisi_hba, reg_type,
+				reg_index, reg_count, write_data);
+}
+
+static void hisi_sas_phy_disconnected(struct hisi_sas_phy *phy)
+{
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct sas_phy *sphy = sas_phy->phy;
+	unsigned long flags;
+
+	phy->phy_attached = 0;
+	phy->phy_type = 0;
+	phy->port = NULL;
+
+	spin_lock_irqsave(&phy->lock, flags);
+	if (phy->enable)
+		sphy->negotiated_linkrate = SAS_LINK_RATE_UNKNOWN;
+	else
+		sphy->negotiated_linkrate = SAS_PHY_DISABLED;
+	spin_unlock_irqrestore(&phy->lock, flags);
+}
+
+void hisi_sas_phy_down(struct hisi_hba *hisi_hba, int phy_no, int rdy,
+		       gfp_t gfp_flags)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct device *dev = hisi_hba->dev;
+
+	if (rdy) {
+		/* Phy down but ready */
+		hisi_sas_bytes_dmaed(hisi_hba, phy_no, gfp_flags);
+		hisi_sas_port_notify_formed(sas_phy);
+	} else {
+		struct hisi_sas_port *port  = phy->port;
+
+		if (test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags) ||
+		    phy->in_reset) {
+			dev_info(dev, "ignore flutter phy%d down\n", phy_no);
+			return;
+		}
+		/* Phy down and not ready */
+		sas_notify_phy_event(sas_phy, PHYE_LOSS_OF_SIGNAL, gfp_flags);
+		sas_phy_disconnected(sas_phy);
+
+		if (port) {
+			if (phy->phy_type & PORT_TYPE_SAS) {
+				int port_id = port->id;
+
+				if (!hisi_hba->hw->get_wideport_bitmap(hisi_hba,
+								       port_id))
+					port->port_attached = 0;
+			} else if (phy->phy_type & PORT_TYPE_SATA)
+				port->port_attached = 0;
+		}
+		hisi_sas_phy_disconnected(phy);
+	}
+}
+EXPORT_SYMBOL_GPL(hisi_sas_phy_down);
+
+void hisi_sas_phy_bcast(struct hisi_sas_phy *phy)
+{
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct hisi_hba	*hisi_hba = phy->hisi_hba;
+	struct sas_ha_struct *sha = &hisi_hba->sha;
+
+	if (test_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
+		return;
+
+	if (test_bit(SAS_HA_FROZEN, &sha->state))
+		return;
+
+	sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD, GFP_ATOMIC);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_phy_bcast);
+
+void hisi_sas_sync_irqs(struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	for (i = 0; i < hisi_hba->cq_nvecs; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+
+		synchronize_irq(cq->irq_no);
+	}
+}
+EXPORT_SYMBOL_GPL(hisi_sas_sync_irqs);
+
+int hisi_sas_host_reset(struct Scsi_Host *shost, int reset_type)
+{
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+
+	if (reset_type != SCSI_ADAPTER_RESET)
+		return -EOPNOTSUPP;
+
+	queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_host_reset);
+
+struct scsi_transport_template *hisi_sas_stt;
+EXPORT_SYMBOL_GPL(hisi_sas_stt);
+
+static struct sas_domain_function_template hisi_sas_transport_ops = {
+	.lldd_dev_found		= hisi_sas_dev_found,
+	.lldd_dev_gone		= hisi_sas_dev_gone,
+	.lldd_execute_task	= hisi_sas_queue_command,
+	.lldd_control_phy	= hisi_sas_control_phy,
+	.lldd_abort_task	= hisi_sas_abort_task,
+	.lldd_abort_task_set	= hisi_sas_abort_task_set,
+	.lldd_I_T_nexus_reset	= hisi_sas_I_T_nexus_reset,
+	.lldd_lu_reset		= hisi_sas_lu_reset,
+	.lldd_query_task	= hisi_sas_query_task,
+	.lldd_clear_nexus_ha	= hisi_sas_clear_nexus_ha,
+	.lldd_port_formed	= hisi_sas_port_formed,
+	.lldd_write_gpio	= hisi_sas_write_gpio,
+	.lldd_tmf_aborted	= hisi_sas_tmf_aborted,
+	.lldd_abort_timeout	= hisi_sas_internal_abort_timeout,
+};
+
+void hisi_sas_init_mem(struct hisi_hba *hisi_hba)
+{
+	int i, s, j, max_command_entries = HISI_SAS_MAX_COMMANDS;
+	struct hisi_sas_breakpoint *sata_breakpoint = hisi_hba->sata_breakpoint;
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+		struct hisi_sas_dq *dq = &hisi_hba->dq[i];
+		struct hisi_sas_cmd_hdr *cmd_hdr = hisi_hba->cmd_hdr[i];
+
+		s = sizeof(struct hisi_sas_cmd_hdr);
+		for (j = 0; j < HISI_SAS_QUEUE_SLOTS; j++)
+			memset(&cmd_hdr[j], 0, s);
+
+		dq->wr_point = 0;
+
+		s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
+		memset(hisi_hba->complete_hdr[i], 0, s);
+		cq->rd_point = 0;
+	}
+
+	s = sizeof(struct hisi_sas_initial_fis) * hisi_hba->n_phy;
+	memset(hisi_hba->initial_fis, 0, s);
+
+	s = max_command_entries * sizeof(struct hisi_sas_iost);
+	memset(hisi_hba->iost, 0, s);
+
+	s = max_command_entries * sizeof(struct hisi_sas_breakpoint);
+	memset(hisi_hba->breakpoint, 0, s);
+
+	s = sizeof(struct hisi_sas_sata_breakpoint);
+	for (j = 0; j < HISI_SAS_MAX_ITCT_ENTRIES; j++)
+		memset(&sata_breakpoint[j], 0, s);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_init_mem);
+
+int hisi_sas_alloc(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int i, j, s, max_command_entries = HISI_SAS_MAX_COMMANDS;
+	int max_command_entries_ru, sz_slot_buf_ru;
+	int blk_cnt, slots_per_blk;
+
+	sema_init(&hisi_hba->sem, 1);
+	spin_lock_init(&hisi_hba->lock);
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_init(hisi_hba, i);
+		hisi_hba->port[i].port_attached = 0;
+		hisi_hba->port[i].id = -1;
+	}
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		hisi_hba->devices[i].dev_type = SAS_PHY_UNUSED;
+		hisi_hba->devices[i].device_id = i;
+		hisi_hba->devices[i].dev_status = HISI_SAS_DEV_INIT;
+	}
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+		struct hisi_sas_dq *dq = &hisi_hba->dq[i];
+
+		/* Completion queue structure */
+		cq->id = i;
+		cq->hisi_hba = hisi_hba;
+
+		/* Delivery queue structure */
+		spin_lock_init(&dq->lock);
+		INIT_LIST_HEAD(&dq->list);
+		dq->id = i;
+		dq->hisi_hba = hisi_hba;
+
+		/* Delivery queue */
+		s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
+		hisi_hba->cmd_hdr[i] = dmam_alloc_coherent(dev, s,
+						&hisi_hba->cmd_hdr_dma[i],
+						GFP_KERNEL);
+		if (!hisi_hba->cmd_hdr[i])
+			goto err_out;
+
+		/* Completion queue */
+		s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
+		hisi_hba->complete_hdr[i] = dmam_alloc_coherent(dev, s,
+						&hisi_hba->complete_hdr_dma[i],
+						GFP_KERNEL);
+		if (!hisi_hba->complete_hdr[i])
+			goto err_out;
+	}
+
+	s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
+	hisi_hba->itct = dmam_alloc_coherent(dev, s, &hisi_hba->itct_dma,
+					     GFP_KERNEL);
+	if (!hisi_hba->itct)
+		goto err_out;
+
+	hisi_hba->slot_info = devm_kcalloc(dev, max_command_entries,
+					   sizeof(struct hisi_sas_slot),
+					   GFP_KERNEL);
+	if (!hisi_hba->slot_info)
+		goto err_out;
+
+	/* roundup to avoid overly large block size */
+	max_command_entries_ru = roundup(max_command_entries, 64);
+	if (hisi_hba->prot_mask & HISI_SAS_DIX_PROT_MASK)
+		sz_slot_buf_ru = sizeof(struct hisi_sas_slot_dif_buf_table);
+	else
+		sz_slot_buf_ru = sizeof(struct hisi_sas_slot_buf_table);
+	sz_slot_buf_ru = roundup(sz_slot_buf_ru, 64);
+	s = max(lcm(max_command_entries_ru, sz_slot_buf_ru), PAGE_SIZE);
+	blk_cnt = (max_command_entries_ru * sz_slot_buf_ru) / s;
+	slots_per_blk = s / sz_slot_buf_ru;
+
+	for (i = 0; i < blk_cnt; i++) {
+		int slot_index = i * slots_per_blk;
+		dma_addr_t buf_dma;
+		void *buf;
+
+		buf = dmam_alloc_coherent(dev, s, &buf_dma,
+					  GFP_KERNEL);
+		if (!buf)
+			goto err_out;
+
+		for (j = 0; j < slots_per_blk; j++, slot_index++) {
+			struct hisi_sas_slot *slot;
+
+			slot = &hisi_hba->slot_info[slot_index];
+			slot->buf = buf;
+			slot->buf_dma = buf_dma;
+			slot->idx = slot_index;
+
+			buf += sz_slot_buf_ru;
+			buf_dma += sz_slot_buf_ru;
+		}
+	}
+
+	s = max_command_entries * sizeof(struct hisi_sas_iost);
+	hisi_hba->iost = dmam_alloc_coherent(dev, s, &hisi_hba->iost_dma,
+					     GFP_KERNEL);
+	if (!hisi_hba->iost)
+		goto err_out;
+
+	s = max_command_entries * sizeof(struct hisi_sas_breakpoint);
+	hisi_hba->breakpoint = dmam_alloc_coherent(dev, s,
+						   &hisi_hba->breakpoint_dma,
+						   GFP_KERNEL);
+	if (!hisi_hba->breakpoint)
+		goto err_out;
+
+	s = hisi_hba->slot_index_count = max_command_entries;
+	hisi_hba->slot_index_tags = devm_bitmap_zalloc(dev, s, GFP_KERNEL);
+	if (!hisi_hba->slot_index_tags)
+		goto err_out;
+
+	s = sizeof(struct hisi_sas_initial_fis) * HISI_SAS_MAX_PHYS;
+	hisi_hba->initial_fis = dmam_alloc_coherent(dev, s,
+						    &hisi_hba->initial_fis_dma,
+						    GFP_KERNEL);
+	if (!hisi_hba->initial_fis)
+		goto err_out;
+
+	s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_sata_breakpoint);
+	hisi_hba->sata_breakpoint = dmam_alloc_coherent(dev, s,
+					&hisi_hba->sata_breakpoint_dma,
+					GFP_KERNEL);
+	if (!hisi_hba->sata_breakpoint)
+		goto err_out;
+
+	hisi_hba->last_slot_index = HISI_SAS_UNRESERVED_IPTT;
+
+	hisi_hba->wq = create_singlethread_workqueue(dev_name(dev));
+	if (!hisi_hba->wq) {
+		dev_err(dev, "sas_alloc: failed to create workqueue\n");
+		goto err_out;
+	}
+
+	return 0;
+err_out:
+	return -ENOMEM;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_alloc);
+
+void hisi_sas_free(struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+
+		del_timer_sync(&phy->timer);
+	}
+
+	if (hisi_hba->wq)
+		destroy_workqueue(hisi_hba->wq);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_free);
+
+void hisi_sas_rst_work_handler(struct work_struct *work)
+{
+	struct hisi_hba *hisi_hba =
+		container_of(work, struct hisi_hba, rst_work);
+
+	if (hisi_sas_controller_prereset(hisi_hba))
+		return;
+
+	hisi_sas_controller_reset(hisi_hba);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_rst_work_handler);
+
+void hisi_sas_sync_rst_work_handler(struct work_struct *work)
+{
+	struct hisi_sas_rst *rst =
+		container_of(work, struct hisi_sas_rst, work);
+
+	if (hisi_sas_controller_prereset(rst->hisi_hba))
+		goto rst_complete;
+
+	if (!hisi_sas_controller_reset(rst->hisi_hba))
+		rst->done = true;
+rst_complete:
+	complete(rst->completion);
+}
+EXPORT_SYMBOL_GPL(hisi_sas_sync_rst_work_handler);
+
+int hisi_sas_get_fw_info(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	struct platform_device *pdev = hisi_hba->platform_dev;
+	struct device_node *np = pdev ? pdev->dev.of_node : NULL;
+	struct clk *refclk;
+
+	if (device_property_read_u8_array(dev, "sas-addr", hisi_hba->sas_addr,
+					  SAS_ADDR_SIZE)) {
+		dev_err(dev, "could not get property sas-addr\n");
+		return -ENOENT;
+	}
+
+	if (np) {
+		/*
+		 * These properties are only required for platform device-based
+		 * controller with DT firmware.
+		 */
+		hisi_hba->ctrl = syscon_regmap_lookup_by_phandle(np,
+					"hisilicon,sas-syscon");
+		if (IS_ERR(hisi_hba->ctrl)) {
+			dev_err(dev, "could not get syscon\n");
+			return -ENOENT;
+		}
+
+		if (device_property_read_u32(dev, "ctrl-reset-reg",
+					     &hisi_hba->ctrl_reset_reg)) {
+			dev_err(dev, "could not get property ctrl-reset-reg\n");
+			return -ENOENT;
+		}
+
+		if (device_property_read_u32(dev, "ctrl-reset-sts-reg",
+					     &hisi_hba->ctrl_reset_sts_reg)) {
+			dev_err(dev, "could not get property ctrl-reset-sts-reg\n");
+			return -ENOENT;
+		}
+
+		if (device_property_read_u32(dev, "ctrl-clock-ena-reg",
+					     &hisi_hba->ctrl_clock_ena_reg)) {
+			dev_err(dev, "could not get property ctrl-clock-ena-reg\n");
+			return -ENOENT;
+		}
+	}
+
+	refclk = devm_clk_get(dev, NULL);
+	if (IS_ERR(refclk))
+		dev_dbg(dev, "no ref clk property\n");
+	else
+		hisi_hba->refclk_frequency_mhz = clk_get_rate(refclk) / 1000000;
+
+	if (device_property_read_u32(dev, "phy-count", &hisi_hba->n_phy)) {
+		dev_err(dev, "could not get property phy-count\n");
+		return -ENOENT;
+	}
+
+	if (device_property_read_u32(dev, "queue-count",
+				     &hisi_hba->queue_count)) {
+		dev_err(dev, "could not get property queue-count\n");
+		return -ENOENT;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_get_fw_info);
+
+static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev,
+					      const struct hisi_sas_hw *hw)
+{
+	struct resource *res;
+	struct Scsi_Host *shost;
+	struct hisi_hba *hisi_hba;
+	struct device *dev = &pdev->dev;
+	int error;
+
+	shost = scsi_host_alloc(hw->sht, sizeof(*hisi_hba));
+	if (!shost) {
+		dev_err(dev, "scsi host alloc failed\n");
+		return NULL;
+	}
+	hisi_hba = shost_priv(shost);
+
+	INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler);
+	hisi_hba->hw = hw;
+	hisi_hba->dev = dev;
+	hisi_hba->platform_dev = pdev;
+	hisi_hba->shost = shost;
+	SHOST_TO_SAS_HA(shost) = &hisi_hba->sha;
+
+	timer_setup(&hisi_hba->timer, NULL, 0);
+
+	if (hisi_sas_get_fw_info(hisi_hba) < 0)
+		goto err_out;
+
+	error = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+	if (error) {
+		dev_err(dev, "No usable DMA addressing method\n");
+		goto err_out;
+	}
+
+	hisi_hba->regs = devm_platform_ioremap_resource(pdev, 0);
+	if (IS_ERR(hisi_hba->regs))
+		goto err_out;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (res) {
+		hisi_hba->sgpio_regs = devm_ioremap_resource(dev, res);
+		if (IS_ERR(hisi_hba->sgpio_regs))
+			goto err_out;
+	}
+
+	if (hisi_sas_alloc(hisi_hba)) {
+		hisi_sas_free(hisi_hba);
+		goto err_out;
+	}
+
+	return shost;
+err_out:
+	scsi_host_put(shost);
+	dev_err(dev, "shost alloc failed\n");
+	return NULL;
+}
+
+static int hisi_sas_interrupt_preinit(struct hisi_hba *hisi_hba)
+{
+	if (hisi_hba->hw->interrupt_preinit)
+		return hisi_hba->hw->interrupt_preinit(hisi_hba);
+	return 0;
+}
+
+int hisi_sas_probe(struct platform_device *pdev,
+		   const struct hisi_sas_hw *hw)
+{
+	struct Scsi_Host *shost;
+	struct hisi_hba *hisi_hba;
+	struct device *dev = &pdev->dev;
+	struct asd_sas_phy **arr_phy;
+	struct asd_sas_port **arr_port;
+	struct sas_ha_struct *sha;
+	int rc, phy_nr, port_nr, i;
+
+	shost = hisi_sas_shost_alloc(pdev, hw);
+	if (!shost)
+		return -ENOMEM;
+
+	sha = SHOST_TO_SAS_HA(shost);
+	hisi_hba = shost_priv(shost);
+	platform_set_drvdata(pdev, sha);
+
+	phy_nr = port_nr = hisi_hba->n_phy;
+
+	arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
+	arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL);
+	if (!arr_phy || !arr_port) {
+		rc = -ENOMEM;
+		goto err_out_ha;
+	}
+
+	sha->sas_phy = arr_phy;
+	sha->sas_port = arr_port;
+	sha->lldd_ha = hisi_hba;
+
+	shost->transportt = hisi_sas_stt;
+	shost->max_id = HISI_SAS_MAX_DEVICES;
+	shost->max_lun = ~0;
+	shost->max_channel = 1;
+	shost->max_cmd_len = 16;
+	if (hisi_hba->hw->slot_index_alloc) {
+		shost->can_queue = HISI_SAS_MAX_COMMANDS;
+		shost->cmd_per_lun = HISI_SAS_MAX_COMMANDS;
+	} else {
+		shost->can_queue = HISI_SAS_UNRESERVED_IPTT;
+		shost->cmd_per_lun = HISI_SAS_UNRESERVED_IPTT;
+	}
+
+	sha->sas_ha_name = DRV_NAME;
+	sha->dev = hisi_hba->dev;
+	sha->lldd_module = THIS_MODULE;
+	sha->sas_addr = &hisi_hba->sas_addr[0];
+	sha->num_phys = hisi_hba->n_phy;
+	sha->core.shost = hisi_hba->shost;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
+		sha->sas_port[i] = &hisi_hba->port[i].sas_port;
+	}
+
+	rc = hisi_sas_interrupt_preinit(hisi_hba);
+	if (rc)
+		goto err_out_ha;
+
+	rc = scsi_add_host(shost, &pdev->dev);
+	if (rc)
+		goto err_out_ha;
+
+	rc = sas_register_ha(sha);
+	if (rc)
+		goto err_out_register_ha;
+
+	rc = hisi_hba->hw->hw_init(hisi_hba);
+	if (rc)
+		goto err_out_hw_init;
+
+	scsi_scan_host(shost);
+
+	return 0;
+
+err_out_hw_init:
+	sas_unregister_ha(sha);
+err_out_register_ha:
+	scsi_remove_host(shost);
+err_out_ha:
+	hisi_sas_free(hisi_hba);
+	scsi_host_put(shost);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_probe);
+
+int hisi_sas_remove(struct platform_device *pdev)
+{
+	struct sas_ha_struct *sha = platform_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct Scsi_Host *shost = sha->core.shost;
+
+	del_timer_sync(&hisi_hba->timer);
+
+	sas_unregister_ha(sha);
+	sas_remove_host(sha->core.shost);
+
+	hisi_sas_free(hisi_hba);
+	scsi_host_put(shost);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(hisi_sas_remove);
+
+#if IS_ENABLED(CONFIG_SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE)
+#define DEBUGFS_ENABLE_DEFAULT  "enabled"
+bool hisi_sas_debugfs_enable = true;
+u32 hisi_sas_debugfs_dump_count = 50;
+#else
+#define DEBUGFS_ENABLE_DEFAULT "disabled"
+bool hisi_sas_debugfs_enable;
+u32 hisi_sas_debugfs_dump_count = 1;
+#endif
+
+EXPORT_SYMBOL_GPL(hisi_sas_debugfs_enable);
+module_param_named(debugfs_enable, hisi_sas_debugfs_enable, bool, 0444);
+MODULE_PARM_DESC(hisi_sas_debugfs_enable,
+		 "Enable driver debugfs (default "DEBUGFS_ENABLE_DEFAULT")");
+
+EXPORT_SYMBOL_GPL(hisi_sas_debugfs_dump_count);
+module_param_named(debugfs_dump_count, hisi_sas_debugfs_dump_count, uint, 0444);
+MODULE_PARM_DESC(hisi_sas_debugfs_dump_count, "Number of debugfs dumps to allow");
+
+struct dentry *hisi_sas_debugfs_dir;
+EXPORT_SYMBOL_GPL(hisi_sas_debugfs_dir);
+
+static __init int hisi_sas_init(void)
+{
+	hisi_sas_stt = sas_domain_attach_transport(&hisi_sas_transport_ops);
+	if (!hisi_sas_stt)
+		return -ENOMEM;
+
+	if (hisi_sas_debugfs_enable) {
+		hisi_sas_debugfs_dir = debugfs_create_dir("hisi_sas", NULL);
+		if (hisi_sas_debugfs_dump_count > HISI_SAS_MAX_DEBUGFS_DUMP) {
+			pr_info("hisi_sas: Limiting debugfs dump count\n");
+			hisi_sas_debugfs_dump_count = HISI_SAS_MAX_DEBUGFS_DUMP;
+		}
+	}
+
+	return 0;
+}
+
+static __exit void hisi_sas_exit(void)
+{
+	sas_release_transport(hisi_sas_stt);
+
+	debugfs_remove(hisi_sas_debugfs_dir);
+}
+
+module_init(hisi_sas_init);
+module_exit(hisi_sas_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
+MODULE_DESCRIPTION("HISILICON SAS controller driver");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
new file mode 100644
index 000000000..70c24377c
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -0,0 +1,1826 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2015 Linaro Ltd.
+ * Copyright (c) 2015 Hisilicon Limited.
+ */
+
+#include "hisi_sas.h"
+#define DRV_NAME "hisi_sas_v1_hw"
+
+/* global registers need init*/
+#define DLVRY_QUEUE_ENABLE		0x0
+#define IOST_BASE_ADDR_LO		0x8
+#define IOST_BASE_ADDR_HI		0xc
+#define ITCT_BASE_ADDR_LO		0x10
+#define ITCT_BASE_ADDR_HI		0x14
+#define BROKEN_MSG_ADDR_LO		0x18
+#define BROKEN_MSG_ADDR_HI		0x1c
+#define PHY_CONTEXT			0x20
+#define PHY_STATE			0x24
+#define PHY_PORT_NUM_MA			0x28
+#define PORT_STATE			0x2c
+#define PHY_CONN_RATE			0x30
+#define HGC_TRANS_TASK_CNT_LIMIT	0x38
+#define AXI_AHB_CLK_CFG			0x3c
+#define HGC_SAS_TXFAIL_RETRY_CTRL	0x84
+#define HGC_GET_ITV_TIME		0x90
+#define DEVICE_MSG_WORK_MODE		0x94
+#define I_T_NEXUS_LOSS_TIME		0xa0
+#define BUS_INACTIVE_LIMIT_TIME		0xa8
+#define REJECT_TO_OPEN_LIMIT_TIME	0xac
+#define CFG_AGING_TIME			0xbc
+#define CFG_AGING_TIME_ITCT_REL_OFF	0
+#define CFG_AGING_TIME_ITCT_REL_MSK	(0x1 << CFG_AGING_TIME_ITCT_REL_OFF)
+#define HGC_DFX_CFG2			0xc0
+#define FIS_LIST_BADDR_L		0xc4
+#define CFG_1US_TIMER_TRSH		0xcc
+#define CFG_SAS_CONFIG			0xd4
+#define HGC_IOST_ECC_ADDR		0x140
+#define HGC_IOST_ECC_ADDR_BAD_OFF	16
+#define HGC_IOST_ECC_ADDR_BAD_MSK	(0x3ff << HGC_IOST_ECC_ADDR_BAD_OFF)
+#define HGC_DQ_ECC_ADDR			0x144
+#define HGC_DQ_ECC_ADDR_BAD_OFF		16
+#define HGC_DQ_ECC_ADDR_BAD_MSK		(0xfff << HGC_DQ_ECC_ADDR_BAD_OFF)
+#define HGC_INVLD_DQE_INFO		0x148
+#define HGC_INVLD_DQE_INFO_DQ_OFF	0
+#define HGC_INVLD_DQE_INFO_DQ_MSK	(0xffff << HGC_INVLD_DQE_INFO_DQ_OFF)
+#define HGC_INVLD_DQE_INFO_TYPE_OFF	16
+#define HGC_INVLD_DQE_INFO_TYPE_MSK	(0x1 << HGC_INVLD_DQE_INFO_TYPE_OFF)
+#define HGC_INVLD_DQE_INFO_FORCE_OFF	17
+#define HGC_INVLD_DQE_INFO_FORCE_MSK	(0x1 << HGC_INVLD_DQE_INFO_FORCE_OFF)
+#define HGC_INVLD_DQE_INFO_PHY_OFF	18
+#define HGC_INVLD_DQE_INFO_PHY_MSK	(0x1 << HGC_INVLD_DQE_INFO_PHY_OFF)
+#define HGC_INVLD_DQE_INFO_ABORT_OFF	19
+#define HGC_INVLD_DQE_INFO_ABORT_MSK	(0x1 << HGC_INVLD_DQE_INFO_ABORT_OFF)
+#define HGC_INVLD_DQE_INFO_IPTT_OF_OFF	20
+#define HGC_INVLD_DQE_INFO_IPTT_OF_MSK	(0x1 << HGC_INVLD_DQE_INFO_IPTT_OF_OFF)
+#define HGC_INVLD_DQE_INFO_SSP_ERR_OFF	21
+#define HGC_INVLD_DQE_INFO_SSP_ERR_MSK	(0x1 << HGC_INVLD_DQE_INFO_SSP_ERR_OFF)
+#define HGC_INVLD_DQE_INFO_OFL_OFF	22
+#define HGC_INVLD_DQE_INFO_OFL_MSK	(0x1 << HGC_INVLD_DQE_INFO_OFL_OFF)
+#define HGC_ITCT_ECC_ADDR		0x150
+#define HGC_ITCT_ECC_ADDR_BAD_OFF	16
+#define HGC_ITCT_ECC_ADDR_BAD_MSK	(0x3ff << HGC_ITCT_ECC_ADDR_BAD_OFF)
+#define HGC_AXI_FIFO_ERR_INFO		0x154
+#define INT_COAL_EN			0x1bc
+#define OQ_INT_COAL_TIME		0x1c0
+#define OQ_INT_COAL_CNT			0x1c4
+#define ENT_INT_COAL_TIME		0x1c8
+#define ENT_INT_COAL_CNT		0x1cc
+#define OQ_INT_SRC			0x1d0
+#define OQ_INT_SRC_MSK			0x1d4
+#define ENT_INT_SRC1			0x1d8
+#define ENT_INT_SRC2			0x1dc
+#define ENT_INT_SRC2_DQ_CFG_ERR_OFF	25
+#define ENT_INT_SRC2_DQ_CFG_ERR_MSK	(0x1 << ENT_INT_SRC2_DQ_CFG_ERR_OFF)
+#define ENT_INT_SRC2_CQ_CFG_ERR_OFF	27
+#define ENT_INT_SRC2_CQ_CFG_ERR_MSK	(0x1 << ENT_INT_SRC2_CQ_CFG_ERR_OFF)
+#define ENT_INT_SRC2_AXI_WRONG_INT_OFF	28
+#define ENT_INT_SRC2_AXI_WRONG_INT_MSK	(0x1 << ENT_INT_SRC2_AXI_WRONG_INT_OFF)
+#define ENT_INT_SRC2_AXI_OVERLF_INT_OFF	29
+#define ENT_INT_SRC2_AXI_OVERLF_INT_MSK	(0x1 << ENT_INT_SRC2_AXI_OVERLF_INT_OFF)
+#define ENT_INT_SRC_MSK1		0x1e0
+#define ENT_INT_SRC_MSK2		0x1e4
+#define SAS_ECC_INTR			0x1e8
+#define SAS_ECC_INTR_DQ_ECC1B_OFF	0
+#define SAS_ECC_INTR_DQ_ECC1B_MSK	(0x1 << SAS_ECC_INTR_DQ_ECC1B_OFF)
+#define SAS_ECC_INTR_DQ_ECCBAD_OFF	1
+#define SAS_ECC_INTR_DQ_ECCBAD_MSK	(0x1 << SAS_ECC_INTR_DQ_ECCBAD_OFF)
+#define SAS_ECC_INTR_IOST_ECC1B_OFF	2
+#define SAS_ECC_INTR_IOST_ECC1B_MSK	(0x1 << SAS_ECC_INTR_IOST_ECC1B_OFF)
+#define SAS_ECC_INTR_IOST_ECCBAD_OFF	3
+#define SAS_ECC_INTR_IOST_ECCBAD_MSK	(0x1 << SAS_ECC_INTR_IOST_ECCBAD_OFF)
+#define SAS_ECC_INTR_ITCT_ECC1B_OFF	4
+#define SAS_ECC_INTR_ITCT_ECC1B_MSK	(0x1 << SAS_ECC_INTR_ITCT_ECC1B_OFF)
+#define SAS_ECC_INTR_ITCT_ECCBAD_OFF	5
+#define SAS_ECC_INTR_ITCT_ECCBAD_MSK	(0x1 << SAS_ECC_INTR_ITCT_ECCBAD_OFF)
+#define SAS_ECC_INTR_MSK		0x1ec
+#define HGC_ERR_STAT_EN			0x238
+#define DLVRY_Q_0_BASE_ADDR_LO		0x260
+#define DLVRY_Q_0_BASE_ADDR_HI		0x264
+#define DLVRY_Q_0_DEPTH			0x268
+#define DLVRY_Q_0_WR_PTR		0x26c
+#define DLVRY_Q_0_RD_PTR		0x270
+#define COMPL_Q_0_BASE_ADDR_LO		0x4e0
+#define COMPL_Q_0_BASE_ADDR_HI		0x4e4
+#define COMPL_Q_0_DEPTH			0x4e8
+#define COMPL_Q_0_WR_PTR		0x4ec
+#define COMPL_Q_0_RD_PTR		0x4f0
+#define HGC_ECC_ERR			0x7d0
+
+/* phy registers need init */
+#define PORT_BASE			(0x800)
+
+#define PHY_CFG				(PORT_BASE + 0x0)
+#define PHY_CFG_ENA_OFF			0
+#define PHY_CFG_ENA_MSK			(0x1 << PHY_CFG_ENA_OFF)
+#define PHY_CFG_DC_OPT_OFF		2
+#define PHY_CFG_DC_OPT_MSK		(0x1 << PHY_CFG_DC_OPT_OFF)
+#define PROG_PHY_LINK_RATE		(PORT_BASE + 0xc)
+#define PROG_PHY_LINK_RATE_MAX_OFF	0
+#define PROG_PHY_LINK_RATE_MAX_MSK	(0xf << PROG_PHY_LINK_RATE_MAX_OFF)
+#define PROG_PHY_LINK_RATE_MIN_OFF	4
+#define PROG_PHY_LINK_RATE_MIN_MSK	(0xf << PROG_PHY_LINK_RATE_MIN_OFF)
+#define PROG_PHY_LINK_RATE_OOB_OFF	8
+#define PROG_PHY_LINK_RATE_OOB_MSK	(0xf << PROG_PHY_LINK_RATE_OOB_OFF)
+#define PHY_CTRL			(PORT_BASE + 0x14)
+#define PHY_CTRL_RESET_OFF		0
+#define PHY_CTRL_RESET_MSK		(0x1 << PHY_CTRL_RESET_OFF)
+#define PHY_RATE_NEGO			(PORT_BASE + 0x30)
+#define PHY_PCN				(PORT_BASE + 0x44)
+#define SL_TOUT_CFG			(PORT_BASE + 0x8c)
+#define SL_CONTROL			(PORT_BASE + 0x94)
+#define SL_CONTROL_NOTIFY_EN_OFF	0
+#define SL_CONTROL_NOTIFY_EN_MSK	(0x1 << SL_CONTROL_NOTIFY_EN_OFF)
+#define TX_ID_DWORD0			(PORT_BASE + 0x9c)
+#define TX_ID_DWORD1			(PORT_BASE + 0xa0)
+#define TX_ID_DWORD2			(PORT_BASE + 0xa4)
+#define TX_ID_DWORD3			(PORT_BASE + 0xa8)
+#define TX_ID_DWORD4			(PORT_BASE + 0xaC)
+#define TX_ID_DWORD5			(PORT_BASE + 0xb0)
+#define TX_ID_DWORD6			(PORT_BASE + 0xb4)
+#define RX_IDAF_DWORD0			(PORT_BASE + 0xc4)
+#define RX_IDAF_DWORD1			(PORT_BASE + 0xc8)
+#define RX_IDAF_DWORD2			(PORT_BASE + 0xcc)
+#define RX_IDAF_DWORD3			(PORT_BASE + 0xd0)
+#define RX_IDAF_DWORD4			(PORT_BASE + 0xd4)
+#define RX_IDAF_DWORD5			(PORT_BASE + 0xd8)
+#define RX_IDAF_DWORD6			(PORT_BASE + 0xdc)
+#define RXOP_CHECK_CFG_H		(PORT_BASE + 0xfc)
+#define DONE_RECEIVED_TIME		(PORT_BASE + 0x12c)
+#define CON_CFG_DRIVER			(PORT_BASE + 0x130)
+#define PHY_CONFIG2			(PORT_BASE + 0x1a8)
+#define PHY_CONFIG2_FORCE_TXDEEMPH_OFF	3
+#define PHY_CONFIG2_FORCE_TXDEEMPH_MSK	(0x1 << PHY_CONFIG2_FORCE_TXDEEMPH_OFF)
+#define PHY_CONFIG2_TX_TRAIN_COMP_OFF	24
+#define PHY_CONFIG2_TX_TRAIN_COMP_MSK	(0x1 << PHY_CONFIG2_TX_TRAIN_COMP_OFF)
+#define CHL_INT0			(PORT_BASE + 0x1b0)
+#define CHL_INT0_PHYCTRL_NOTRDY_OFF	0
+#define CHL_INT0_PHYCTRL_NOTRDY_MSK	(0x1 << CHL_INT0_PHYCTRL_NOTRDY_OFF)
+#define CHL_INT0_SN_FAIL_NGR_OFF	2
+#define CHL_INT0_SN_FAIL_NGR_MSK	(0x1 << CHL_INT0_SN_FAIL_NGR_OFF)
+#define CHL_INT0_DWS_LOST_OFF		4
+#define CHL_INT0_DWS_LOST_MSK		(0x1 << CHL_INT0_DWS_LOST_OFF)
+#define CHL_INT0_SL_IDAF_FAIL_OFF	10
+#define CHL_INT0_SL_IDAF_FAIL_MSK	(0x1 << CHL_INT0_SL_IDAF_FAIL_OFF)
+#define CHL_INT0_ID_TIMEOUT_OFF		11
+#define CHL_INT0_ID_TIMEOUT_MSK		(0x1 << CHL_INT0_ID_TIMEOUT_OFF)
+#define CHL_INT0_SL_OPAF_FAIL_OFF	12
+#define CHL_INT0_SL_OPAF_FAIL_MSK	(0x1 << CHL_INT0_SL_OPAF_FAIL_OFF)
+#define CHL_INT0_SL_PS_FAIL_OFF		21
+#define CHL_INT0_SL_PS_FAIL_MSK		(0x1 << CHL_INT0_SL_PS_FAIL_OFF)
+#define CHL_INT1			(PORT_BASE + 0x1b4)
+#define CHL_INT2			(PORT_BASE + 0x1b8)
+#define CHL_INT2_SL_RX_BC_ACK_OFF	2
+#define CHL_INT2_SL_RX_BC_ACK_MSK	(0x1 << CHL_INT2_SL_RX_BC_ACK_OFF)
+#define CHL_INT2_SL_PHY_ENA_OFF		6
+#define CHL_INT2_SL_PHY_ENA_MSK		(0x1 << CHL_INT2_SL_PHY_ENA_OFF)
+#define CHL_INT0_MSK			(PORT_BASE + 0x1bc)
+#define CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF	0
+#define CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK	(0x1 << CHL_INT0_MSK_PHYCTRL_NOTRDY_OFF)
+#define CHL_INT1_MSK			(PORT_BASE + 0x1c0)
+#define CHL_INT2_MSK			(PORT_BASE + 0x1c4)
+#define CHL_INT_COAL_EN			(PORT_BASE + 0x1d0)
+#define DMA_TX_STATUS			(PORT_BASE + 0x2d0)
+#define DMA_TX_STATUS_BUSY_OFF		0
+#define DMA_TX_STATUS_BUSY_MSK		(0x1 << DMA_TX_STATUS_BUSY_OFF)
+#define DMA_RX_STATUS			(PORT_BASE + 0x2e8)
+#define DMA_RX_STATUS_BUSY_OFF		0
+#define DMA_RX_STATUS_BUSY_MSK		(0x1 << DMA_RX_STATUS_BUSY_OFF)
+
+#define AXI_CFG				0x5100
+#define RESET_VALUE			0x7ffff
+
+/* HW dma structures */
+/* Delivery queue header */
+/* dw0 */
+#define CMD_HDR_RESP_REPORT_OFF		5
+#define CMD_HDR_RESP_REPORT_MSK		0x20
+#define CMD_HDR_TLR_CTRL_OFF		6
+#define CMD_HDR_TLR_CTRL_MSK		0xc0
+#define CMD_HDR_PORT_OFF		17
+#define CMD_HDR_PORT_MSK		0xe0000
+#define CMD_HDR_PRIORITY_OFF		27
+#define CMD_HDR_PRIORITY_MSK		0x8000000
+#define CMD_HDR_MODE_OFF		28
+#define CMD_HDR_MODE_MSK		0x10000000
+#define CMD_HDR_CMD_OFF			29
+#define CMD_HDR_CMD_MSK			0xe0000000
+/* dw1 */
+#define CMD_HDR_VERIFY_DTL_OFF		10
+#define CMD_HDR_VERIFY_DTL_MSK		0x400
+#define CMD_HDR_SSP_FRAME_TYPE_OFF	13
+#define CMD_HDR_SSP_FRAME_TYPE_MSK	0xe000
+#define CMD_HDR_DEVICE_ID_OFF		16
+#define CMD_HDR_DEVICE_ID_MSK		0xffff0000
+/* dw2 */
+#define CMD_HDR_CFL_OFF			0
+#define CMD_HDR_CFL_MSK			0x1ff
+#define CMD_HDR_MRFL_OFF		15
+#define CMD_HDR_MRFL_MSK		0xff8000
+#define CMD_HDR_FIRST_BURST_OFF		25
+#define CMD_HDR_FIRST_BURST_MSK		0x2000000
+/* dw3 */
+#define CMD_HDR_IPTT_OFF		0
+#define CMD_HDR_IPTT_MSK		0xffff
+/* dw6 */
+#define CMD_HDR_DATA_SGL_LEN_OFF	16
+#define CMD_HDR_DATA_SGL_LEN_MSK	0xffff0000
+
+/* Completion header */
+#define CMPLT_HDR_IPTT_OFF		0
+#define CMPLT_HDR_IPTT_MSK		(0xffff << CMPLT_HDR_IPTT_OFF)
+#define CMPLT_HDR_CMD_CMPLT_OFF		17
+#define CMPLT_HDR_CMD_CMPLT_MSK		(0x1 << CMPLT_HDR_CMD_CMPLT_OFF)
+#define CMPLT_HDR_ERR_RCRD_XFRD_OFF	18
+#define CMPLT_HDR_ERR_RCRD_XFRD_MSK	(0x1 << CMPLT_HDR_ERR_RCRD_XFRD_OFF)
+#define CMPLT_HDR_RSPNS_XFRD_OFF	19
+#define CMPLT_HDR_RSPNS_XFRD_MSK	(0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
+#define CMPLT_HDR_IO_CFG_ERR_OFF	27
+#define CMPLT_HDR_IO_CFG_ERR_MSK	(0x1 << CMPLT_HDR_IO_CFG_ERR_OFF)
+
+/* ITCT header */
+/* qw0 */
+#define ITCT_HDR_DEV_TYPE_OFF		0
+#define ITCT_HDR_DEV_TYPE_MSK		(0x3ULL << ITCT_HDR_DEV_TYPE_OFF)
+#define ITCT_HDR_VALID_OFF		2
+#define ITCT_HDR_VALID_MSK		(0x1ULL << ITCT_HDR_VALID_OFF)
+#define ITCT_HDR_AWT_CONTROL_OFF	4
+#define ITCT_HDR_AWT_CONTROL_MSK	(0x1ULL << ITCT_HDR_AWT_CONTROL_OFF)
+#define ITCT_HDR_MAX_CONN_RATE_OFF	5
+#define ITCT_HDR_MAX_CONN_RATE_MSK	(0xfULL << ITCT_HDR_MAX_CONN_RATE_OFF)
+#define ITCT_HDR_VALID_LINK_NUM_OFF	9
+#define ITCT_HDR_VALID_LINK_NUM_MSK	(0xfULL << ITCT_HDR_VALID_LINK_NUM_OFF)
+#define ITCT_HDR_PORT_ID_OFF		13
+#define ITCT_HDR_PORT_ID_MSK		(0x7ULL << ITCT_HDR_PORT_ID_OFF)
+#define ITCT_HDR_SMP_TIMEOUT_OFF	16
+#define ITCT_HDR_SMP_TIMEOUT_MSK	(0xffffULL << ITCT_HDR_SMP_TIMEOUT_OFF)
+/* qw1 */
+#define ITCT_HDR_MAX_SAS_ADDR_OFF	0
+#define ITCT_HDR_MAX_SAS_ADDR_MSK	(0xffffffffffffffff << \
+					ITCT_HDR_MAX_SAS_ADDR_OFF)
+/* qw2 */
+#define ITCT_HDR_IT_NEXUS_LOSS_TL_OFF	0
+#define ITCT_HDR_IT_NEXUS_LOSS_TL_MSK	(0xffffULL << \
+					ITCT_HDR_IT_NEXUS_LOSS_TL_OFF)
+#define ITCT_HDR_BUS_INACTIVE_TL_OFF	16
+#define ITCT_HDR_BUS_INACTIVE_TL_MSK	(0xffffULL << \
+					ITCT_HDR_BUS_INACTIVE_TL_OFF)
+#define ITCT_HDR_MAX_CONN_TL_OFF	32
+#define ITCT_HDR_MAX_CONN_TL_MSK	(0xffffULL << \
+					ITCT_HDR_MAX_CONN_TL_OFF)
+#define ITCT_HDR_REJ_OPEN_TL_OFF	48
+#define ITCT_HDR_REJ_OPEN_TL_MSK	(0xffffULL << \
+					ITCT_HDR_REJ_OPEN_TL_OFF)
+
+/* Err record header */
+#define ERR_HDR_DMA_TX_ERR_TYPE_OFF	0
+#define ERR_HDR_DMA_TX_ERR_TYPE_MSK	(0xffff << ERR_HDR_DMA_TX_ERR_TYPE_OFF)
+#define ERR_HDR_DMA_RX_ERR_TYPE_OFF	16
+#define ERR_HDR_DMA_RX_ERR_TYPE_MSK	(0xffff << ERR_HDR_DMA_RX_ERR_TYPE_OFF)
+
+struct hisi_sas_complete_v1_hdr {
+	__le32 data;
+};
+
+struct hisi_sas_err_record_v1 {
+	/* dw0 */
+	__le32 dma_err_type;
+
+	/* dw1 */
+	__le32 trans_tx_fail_type;
+
+	/* dw2 */
+	__le32 trans_rx_fail_type;
+
+	/* dw3 */
+	u32 rsvd;
+};
+
+enum {
+	HISI_SAS_PHY_BCAST_ACK = 0,
+	HISI_SAS_PHY_SL_PHY_ENABLED,
+	HISI_SAS_PHY_INT_ABNORMAL,
+	HISI_SAS_PHY_INT_NR
+};
+
+enum {
+	DMA_TX_ERR_BASE = 0x0,
+	DMA_RX_ERR_BASE = 0x100,
+	TRANS_TX_FAIL_BASE = 0x200,
+	TRANS_RX_FAIL_BASE = 0x300,
+
+	/* dma tx */
+	DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x0 */
+	DMA_TX_DIF_APP_ERR, /* 0x1 */
+	DMA_TX_DIF_RPP_ERR, /* 0x2 */
+	DMA_TX_AXI_BUS_ERR, /* 0x3 */
+	DMA_TX_DATA_SGL_OVERFLOW_ERR, /* 0x4 */
+	DMA_TX_DIF_SGL_OVERFLOW_ERR, /* 0x5 */
+	DMA_TX_UNEXP_XFER_RDY_ERR, /* 0x6 */
+	DMA_TX_XFER_RDY_OFFSET_ERR, /* 0x7 */
+	DMA_TX_DATA_UNDERFLOW_ERR, /* 0x8 */
+	DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR, /* 0x9 */
+
+	/* dma rx */
+	DMA_RX_BUFFER_ECC_ERR = DMA_RX_ERR_BASE, /* 0x100 */
+	DMA_RX_DIF_CRC_ERR, /* 0x101 */
+	DMA_RX_DIF_APP_ERR, /* 0x102 */
+	DMA_RX_DIF_RPP_ERR, /* 0x103 */
+	DMA_RX_RESP_BUFFER_OVERFLOW_ERR, /* 0x104 */
+	DMA_RX_AXI_BUS_ERR, /* 0x105 */
+	DMA_RX_DATA_SGL_OVERFLOW_ERR, /* 0x106 */
+	DMA_RX_DIF_SGL_OVERFLOW_ERR, /* 0x107 */
+	DMA_RX_DATA_OFFSET_ERR, /* 0x108 */
+	DMA_RX_UNEXP_RX_DATA_ERR, /* 0x109 */
+	DMA_RX_DATA_OVERFLOW_ERR, /* 0x10a */
+	DMA_RX_DATA_UNDERFLOW_ERR, /* 0x10b */
+	DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x10c */
+
+	/* trans tx */
+	TRANS_TX_RSVD0_ERR = TRANS_TX_FAIL_BASE, /* 0x200 */
+	TRANS_TX_PHY_NOT_ENABLE_ERR, /* 0x201 */
+	TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR, /* 0x202 */
+	TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR, /* 0x203 */
+	TRANS_TX_OPEN_REJCT_BY_OTHER_ERR, /* 0x204 */
+	TRANS_TX_RSVD1_ERR, /* 0x205 */
+	TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR, /* 0x206 */
+	TRANS_TX_OPEN_REJCT_STP_BUSY_ERR, /* 0x207 */
+	TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR, /* 0x208 */
+	TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR, /* 0x209 */
+	TRANS_TX_OPEN_REJCT_BAD_DEST_ERR, /* 0x20a */
+	TRANS_TX_OPEN_BREAK_RECEIVE_ERR, /* 0x20b */
+	TRANS_TX_LOW_PHY_POWER_ERR, /* 0x20c */
+	TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR, /* 0x20d */
+	TRANS_TX_OPEN_TIMEOUT_ERR, /* 0x20e */
+	TRANS_TX_OPEN_REJCT_NO_DEST_ERR, /* 0x20f */
+	TRANS_TX_OPEN_RETRY_ERR, /* 0x210 */
+	TRANS_TX_RSVD2_ERR, /* 0x211 */
+	TRANS_TX_BREAK_TIMEOUT_ERR, /* 0x212 */
+	TRANS_TX_BREAK_REQUEST_ERR, /* 0x213 */
+	TRANS_TX_BREAK_RECEIVE_ERR, /* 0x214 */
+	TRANS_TX_CLOSE_TIMEOUT_ERR, /* 0x215 */
+	TRANS_TX_CLOSE_NORMAL_ERR, /* 0x216 */
+	TRANS_TX_CLOSE_PHYRESET_ERR, /* 0x217 */
+	TRANS_TX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x218 */
+	TRANS_TX_WITH_CLOSE_COMINIT_ERR, /* 0x219 */
+	TRANS_TX_NAK_RECEIVE_ERR, /* 0x21a */
+	TRANS_TX_ACK_NAK_TIMEOUT_ERR, /* 0x21b */
+	TRANS_TX_CREDIT_TIMEOUT_ERR, /* 0x21c */
+	TRANS_TX_IPTT_CONFLICT_ERR, /* 0x21d */
+	TRANS_TX_TXFRM_TYPE_ERR, /* 0x21e */
+	TRANS_TX_TXSMP_LENGTH_ERR, /* 0x21f */
+
+	/* trans rx */
+	TRANS_RX_FRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x300 */
+	TRANS_RX_FRAME_DONE_ERR, /* 0x301 */
+	TRANS_RX_FRAME_ERRPRM_ERR, /* 0x302 */
+	TRANS_RX_FRAME_NO_CREDIT_ERR, /* 0x303 */
+	TRANS_RX_RSVD0_ERR, /* 0x304 */
+	TRANS_RX_FRAME_OVERRUN_ERR, /* 0x305 */
+	TRANS_RX_FRAME_NO_EOF_ERR, /* 0x306 */
+	TRANS_RX_LINK_BUF_OVERRUN_ERR, /* 0x307 */
+	TRANS_RX_BREAK_TIMEOUT_ERR, /* 0x308 */
+	TRANS_RX_BREAK_REQUEST_ERR, /* 0x309 */
+	TRANS_RX_BREAK_RECEIVE_ERR, /* 0x30a */
+	TRANS_RX_CLOSE_TIMEOUT_ERR, /* 0x30b */
+	TRANS_RX_CLOSE_NORMAL_ERR, /* 0x30c */
+	TRANS_RX_CLOSE_PHYRESET_ERR, /* 0x30d */
+	TRANS_RX_WITH_CLOSE_DWS_TIMEOUT_ERR, /* 0x30e */
+	TRANS_RX_WITH_CLOSE_COMINIT_ERR, /* 0x30f */
+	TRANS_RX_DATA_LENGTH0_ERR, /* 0x310 */
+	TRANS_RX_BAD_HASH_ERR, /* 0x311 */
+	TRANS_RX_XRDY_ZERO_ERR, /* 0x312 */
+	TRANS_RX_SSP_FRAME_LEN_ERR, /* 0x313 */
+	TRANS_RX_TRANS_RX_RSVD1_ERR, /* 0x314 */
+	TRANS_RX_NO_BALANCE_ERR, /* 0x315 */
+	TRANS_RX_TRANS_RX_RSVD2_ERR, /* 0x316 */
+	TRANS_RX_TRANS_RX_RSVD3_ERR, /* 0x317 */
+	TRANS_RX_BAD_FRAME_TYPE_ERR, /* 0x318 */
+	TRANS_RX_SMP_FRAME_LEN_ERR, /* 0x319 */
+	TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x31a */
+};
+
+#define HISI_SAS_PHY_MAX_INT_NR (HISI_SAS_PHY_INT_NR * HISI_SAS_MAX_PHYS)
+#define HISI_SAS_CQ_MAX_INT_NR (HISI_SAS_MAX_QUEUES)
+#define HISI_SAS_FATAL_INT_NR (2)
+
+#define HISI_SAS_MAX_INT_NR \
+	(HISI_SAS_PHY_MAX_INT_NR + HISI_SAS_CQ_MAX_INT_NR +\
+	HISI_SAS_FATAL_INT_NR)
+
+static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	return readl(regs);
+}
+
+static void hisi_sas_write32(struct hisi_hba *hisi_hba,
+				    u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	writel(val, regs);
+}
+
+static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba,
+					int phy_no, u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	writel(val, regs);
+}
+
+static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
+				      int phy_no, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	return readl(regs);
+}
+
+static void config_phy_opt_mode_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg &= ~PHY_CFG_DC_OPT_MSK;
+	cfg |= 1 << PHY_CFG_DC_OPT_OFF;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void config_tx_tfe_autoneg_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CONFIG2);
+
+	cfg &= ~PHY_CONFIG2_FORCE_TXDEEMPH_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CONFIG2, cfg);
+}
+
+static void config_id_frame_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct sas_identify_frame identify_frame;
+	u32 *identify_buffer;
+
+	memset(&identify_frame, 0, sizeof(identify_frame));
+	identify_frame.dev_type = SAS_END_DEVICE;
+	identify_frame.frame_type = 0;
+	identify_frame._un1 = 1;
+	identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
+	identify_frame.target_bits = SAS_PROTOCOL_NONE;
+	memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+	memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr,	SAS_ADDR_SIZE);
+	identify_frame.phy_id = phy_no;
+	identify_buffer = (u32 *)(&identify_frame);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
+			__swab32(identify_buffer[0]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
+			__swab32(identify_buffer[1]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
+			__swab32(identify_buffer[2]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
+			__swab32(identify_buffer[3]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
+			__swab32(identify_buffer[4]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
+			__swab32(identify_buffer[5]));
+}
+
+static void setup_itct_v1_hw(struct hisi_hba *hisi_hba,
+			     struct hisi_sas_device *sas_dev)
+{
+	struct domain_device *device = sas_dev->sas_device;
+	struct device *dev = hisi_hba->dev;
+	u64 qw0, device_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+	u64 sas_addr;
+
+	memset(itct, 0, sizeof(*itct));
+
+	/* qw0 */
+	qw0 = 0;
+	switch (sas_dev->dev_type) {
+	case SAS_END_DEVICE:
+	case SAS_EDGE_EXPANDER_DEVICE:
+	case SAS_FANOUT_EXPANDER_DEVICE:
+		qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
+		break;
+	default:
+		dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
+			 sas_dev->dev_type);
+	}
+
+	qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
+		(1 << ITCT_HDR_AWT_CONTROL_OFF) |
+		(device->max_linkrate << ITCT_HDR_MAX_CONN_RATE_OFF) |
+		(1 << ITCT_HDR_VALID_LINK_NUM_OFF) |
+		(port->id << ITCT_HDR_PORT_ID_OFF));
+	itct->qw0 = cpu_to_le64(qw0);
+
+	/* qw1 */
+	memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
+	itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
+
+	/* qw2 */
+	itct->qw2 = cpu_to_le64((500ULL << ITCT_HDR_IT_NEXUS_LOSS_TL_OFF) |
+				(0xff00ULL << ITCT_HDR_BUS_INACTIVE_TL_OFF) |
+				(0xff00ULL << ITCT_HDR_MAX_CONN_TL_OFF) |
+				(0xff00ULL << ITCT_HDR_REJ_OPEN_TL_OFF));
+}
+
+static int clear_itct_v1_hw(struct hisi_hba *hisi_hba,
+			    struct hisi_sas_device *sas_dev)
+{
+	u64 dev_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
+	u64 qw0;
+	u32 reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
+
+	reg_val |= CFG_AGING_TIME_ITCT_REL_MSK;
+	hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
+
+	/* free itct */
+	udelay(1);
+	reg_val = hisi_sas_read32(hisi_hba, CFG_AGING_TIME);
+	reg_val &= ~CFG_AGING_TIME_ITCT_REL_MSK;
+	hisi_sas_write32(hisi_hba, CFG_AGING_TIME, reg_val);
+
+	qw0 = le64_to_cpu(itct->qw0);
+	qw0 &= ~ITCT_HDR_VALID_MSK;
+	itct->qw0 = cpu_to_le64(qw0);
+
+	return 0;
+}
+
+static int reset_hw_v1_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+	unsigned long end_time;
+	u32 val;
+	struct device *dev = hisi_hba->dev;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		u32 phy_ctrl = hisi_sas_phy_read32(hisi_hba, i, PHY_CTRL);
+
+		phy_ctrl |= PHY_CTRL_RESET_MSK;
+		hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, phy_ctrl);
+	}
+	msleep(1); /* It is safe to wait for 50us */
+
+	/* Ensure DMA tx & rx idle */
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		u32 dma_tx_status, dma_rx_status;
+
+		end_time = jiffies + msecs_to_jiffies(1000);
+
+		while (1) {
+			dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
+							    DMA_TX_STATUS);
+			dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
+							    DMA_RX_STATUS);
+
+			if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
+				!(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
+				break;
+
+			msleep(20);
+			if (time_after(jiffies, end_time))
+				return -EIO;
+		}
+	}
+
+	/* Ensure axi bus idle */
+	end_time = jiffies + msecs_to_jiffies(1000);
+	while (1) {
+		u32 axi_status =
+			hisi_sas_read32(hisi_hba, AXI_CFG);
+
+		if (axi_status == 0)
+			break;
+
+		msleep(20);
+		if (time_after(jiffies, end_time))
+			return -EIO;
+	}
+
+	if (ACPI_HANDLE(dev)) {
+		acpi_status s;
+
+		s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
+		if (ACPI_FAILURE(s)) {
+			dev_err(dev, "Reset failed\n");
+			return -EIO;
+		}
+	} else if (hisi_hba->ctrl) {
+		/* Apply reset and disable clock */
+		/* clk disable reg is offset by +4 bytes from clk enable reg */
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
+			     RESET_VALUE);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
+			     RESET_VALUE);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
+		if (RESET_VALUE != (val & RESET_VALUE)) {
+			dev_err(dev, "Reset failed\n");
+			return -EIO;
+		}
+
+		/* De-reset and enable clock */
+		/* deassert rst reg is offset by +4 bytes from assert reg */
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
+			     RESET_VALUE);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
+			     RESET_VALUE);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
+		if (val & RESET_VALUE) {
+			dev_err(dev, "De-reset failed\n");
+			return -EIO;
+		}
+	} else {
+		dev_warn(dev, "no reset method\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void init_reg_v1_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	/* Global registers init*/
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
+			 (u32)((1ULL << hisi_hba->queue_count) - 1));
+	hisi_sas_write32(hisi_hba, HGC_TRANS_TASK_CNT_LIMIT, 0x11);
+	hisi_sas_write32(hisi_hba, DEVICE_MSG_WORK_MODE, 0x1);
+	hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x1ff);
+	hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x401);
+	hisi_sas_write32(hisi_hba, CFG_1US_TIMER_TRSH, 0x64);
+	hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x64);
+	hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x2710);
+	hisi_sas_write32(hisi_hba, REJECT_TO_OPEN_LIMIT_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x7a12);
+	hisi_sas_write32(hisi_hba, HGC_DFX_CFG2, 0x9c40);
+	hisi_sas_write32(hisi_hba, FIS_LIST_BADDR_L, 0x2);
+	hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x186a0);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 1);
+	hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffffffff);
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC_MSK, 0);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0);
+	hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 0x2);
+	hisi_sas_write32(hisi_hba, CFG_SAS_CONFIG, 0x22000000);
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE, 0x88a);
+		hisi_sas_phy_write32(hisi_hba, i, PHY_CONFIG2, 0x7c080);
+		hisi_sas_phy_write32(hisi_hba, i, PHY_RATE_NEGO, 0x415ee00);
+		hisi_sas_phy_write32(hisi_hba, i, PHY_PCN, 0x80a80000);
+		hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
+		hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
+		hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0);
+		hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x13f0a);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 3);
+		hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 8);
+	}
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		/* Delivery queue */
+		hisi_sas_write32(hisi_hba,
+				 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba,
+				 DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba,
+				 DLVRY_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+
+		/* Completion queue */
+		hisi_sas_write32(hisi_hba,
+				 COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba,
+				 COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+	}
+
+	/* itct */
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->itct_dma));
+
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->itct_dma));
+
+	/* iost */
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->iost_dma));
+
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->iost_dma));
+
+	/* breakpoint */
+	hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_LO,
+			 lower_32_bits(hisi_hba->breakpoint_dma));
+
+	hisi_sas_write32(hisi_hba, BROKEN_MSG_ADDR_HI,
+			 upper_32_bits(hisi_hba->breakpoint_dma));
+}
+
+static int hw_init_v1_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	rc = reset_hw_v1_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
+		return rc;
+	}
+
+	msleep(100);
+	init_reg_v1_hw(hisi_hba);
+
+	return 0;
+}
+
+static void enable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg |= PHY_CFG_ENA_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void disable_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg &= ~PHY_CFG_ENA_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void start_phy_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	config_id_frame_v1_hw(hisi_hba, phy_no);
+	config_phy_opt_mode_v1_hw(hisi_hba, phy_no);
+	config_tx_tfe_autoneg_v1_hw(hisi_hba, phy_no);
+	enable_phy_v1_hw(hisi_hba, phy_no);
+}
+
+static void phy_hard_reset_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+	msleep(100);
+	hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+}
+
+static void start_phys_v1_hw(struct timer_list *t)
+{
+	struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
+	int i;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x12a);
+		hisi_sas_phy_enable(hisi_hba, i, 1);
+	}
+}
+
+static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+	struct timer_list *timer = &hisi_hba->timer;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x6a);
+		hisi_sas_phy_read32(hisi_hba, i, CHL_INT2_MSK);
+	}
+
+	timer_setup(timer, start_phys_v1_hw, 0);
+	mod_timer(timer, jiffies + HZ);
+}
+
+static void sl_notify_ssp_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 sl_control;
+
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+	msleep(1);
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+}
+
+static enum sas_linkrate phy_get_max_linkrate_v1_hw(void)
+{
+	return SAS_LINK_RATE_6_0_GBPS;
+}
+
+static void phy_set_linkrate_v1_hw(struct hisi_hba *hisi_hba, int phy_no,
+		struct sas_phy_linkrates *r)
+{
+	enum sas_linkrate max = r->maximum_linkrate;
+	u32 prog_phy_link_rate = 0x800;
+
+	prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
+			     prog_phy_link_rate);
+}
+
+static int get_wideport_bitmap_v1_hw(struct hisi_hba *hisi_hba, int port_id)
+{
+	int i, bitmap = 0;
+	u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+
+	for (i = 0; i < hisi_hba->n_phy; i++)
+		if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
+			bitmap |= 1 << i;
+
+	return bitmap;
+}
+
+/* DQ lock must be taken here */
+static void start_delivery_v1_hw(struct hisi_sas_dq *dq)
+{
+	struct hisi_hba *hisi_hba = dq->hisi_hba;
+	struct hisi_sas_slot *s, *s1, *s2 = NULL;
+	int dlvry_queue = dq->id;
+	int wp;
+
+	list_for_each_entry_safe(s, s1, &dq->list, delivery) {
+		if (!s->ready)
+			break;
+		s2 = s;
+		list_del(&s->delivery);
+	}
+
+	if (!s2)
+		return;
+
+	/*
+	 * Ensure that memories for slots built on other CPUs is observed.
+	 */
+	smp_rmb();
+	wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
+
+	hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
+}
+
+static void prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba,
+			      struct hisi_sas_slot *slot,
+			      struct hisi_sas_cmd_hdr *hdr,
+			      struct scatterlist *scatter,
+			      int n_elem)
+{
+	struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
+	struct scatterlist *sg;
+	int i;
+
+	for_each_sg(scatter, sg, n_elem, i) {
+		struct hisi_sas_sge *entry = &sge_page->sge[i];
+
+		entry->addr = cpu_to_le64(sg_dma_address(sg));
+		entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
+		entry->data_len = cpu_to_le32(sg_dma_len(sg));
+		entry->data_off = 0;
+	}
+
+	hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
+
+	hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
+}
+
+static void prep_smp_v1_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_port *port = slot->port;
+	struct scatterlist *sg_req;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	dma_addr_t req_dma_addr;
+	unsigned int req_len;
+
+	/* req */
+	sg_req = &task->smp_task.smp_req;
+	req_len = sg_dma_len(sg_req);
+	req_dma_addr = sg_dma_address(sg_req);
+
+	/* create header */
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
+			       (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
+			       (1 << CMD_HDR_MODE_OFF) | /* ini mode */
+			       (2 << CMD_HDR_CMD_OFF)); /* smp */
+
+	/* map itct entry */
+	hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF);
+
+	/* dw2 */
+	hdr->dw2 = cpu_to_le32((((req_len-4)/4) << CMD_HDR_CFL_OFF) |
+			       (HISI_SAS_MAX_SMP_RESP_SZ/4 <<
+			       CMD_HDR_MRFL_OFF));
+
+	hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
+
+	hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+}
+
+static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_sas_port *port = slot->port;
+	struct sas_ssp_task *ssp_task = &task->ssp_task;
+	struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
+	struct sas_tmf_task *tmf = slot->tmf;
+	int has_data = 0, priority = !!tmf;
+	u8 *buf_cmd, fburst = 0;
+	u32 dw1, dw2;
+
+	/* create header */
+	hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
+			       (0x2 << CMD_HDR_TLR_CTRL_OFF) |
+			       (port->id << CMD_HDR_PORT_OFF) |
+			       (priority << CMD_HDR_PRIORITY_OFF) |
+			       (1 << CMD_HDR_MODE_OFF) | /* ini mode */
+			       (1 << CMD_HDR_CMD_OFF)); /* ssp */
+
+	dw1 = 1 << CMD_HDR_VERIFY_DTL_OFF;
+
+	if (tmf) {
+		dw1 |= 3 << CMD_HDR_SSP_FRAME_TYPE_OFF;
+	} else {
+		switch (scsi_cmnd->sc_data_direction) {
+		case DMA_TO_DEVICE:
+			dw1 |= 2 << CMD_HDR_SSP_FRAME_TYPE_OFF;
+			has_data = 1;
+			break;
+		case DMA_FROM_DEVICE:
+			dw1 |= 1 << CMD_HDR_SSP_FRAME_TYPE_OFF;
+			has_data = 1;
+			break;
+		default:
+			dw1 |= 0 << CMD_HDR_SSP_FRAME_TYPE_OFF;
+		}
+	}
+
+	/* map itct entry */
+	dw1 |= sas_dev->device_id << CMD_HDR_DEVICE_ID_OFF;
+	hdr->dw1 = cpu_to_le32(dw1);
+
+	if (tmf) {
+		dw2 = ((sizeof(struct ssp_tmf_iu) +
+			sizeof(struct ssp_frame_hdr)+3)/4) <<
+			CMD_HDR_CFL_OFF;
+	} else {
+		dw2 = ((sizeof(struct ssp_command_iu) +
+			sizeof(struct ssp_frame_hdr)+3)/4) <<
+			CMD_HDR_CFL_OFF;
+	}
+
+	dw2 |= (HISI_SAS_MAX_SSP_RESP_SZ/4) << CMD_HDR_MRFL_OFF;
+
+	hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
+
+	if (has_data)
+		prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter,
+					slot->n_elem);
+
+	hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
+	hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+
+	buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
+		sizeof(struct ssp_frame_hdr);
+	if (task->ssp_task.enable_first_burst) {
+		fburst = (1 << 7);
+		dw2 |= 1 << CMD_HDR_FIRST_BURST_OFF;
+	}
+	hdr->dw2 = cpu_to_le32(dw2);
+
+	memcpy(buf_cmd, &task->ssp_task.LUN, 8);
+	if (!tmf) {
+		buf_cmd[9] = fburst | task->ssp_task.task_attr |
+				(task->ssp_task.task_prio << 3);
+		memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
+				task->ssp_task.cmd->cmd_len);
+	} else {
+		buf_cmd[10] = tmf->tmf;
+		switch (tmf->tmf) {
+		case TMF_ABORT_TASK:
+		case TMF_QUERY_TASK:
+			buf_cmd[12] =
+				(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
+			buf_cmd[13] =
+				tmf->tag_of_task_to_be_managed & 0xff;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+/* by default, task resp is complete */
+static void slot_err_v1_hw(struct hisi_hba *hisi_hba,
+			   struct sas_task *task,
+			   struct hisi_sas_slot *slot)
+{
+	struct task_status_struct *ts = &task->task_status;
+	struct hisi_sas_err_record_v1 *err_record =
+			hisi_sas_status_buf_addr_mem(slot);
+	struct device *dev = hisi_hba->dev;
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+	{
+		int error = -1;
+		u32 dma_err_type = le32_to_cpu(err_record->dma_err_type);
+		u32 dma_tx_err_type = ((dma_err_type &
+					ERR_HDR_DMA_TX_ERR_TYPE_MSK)) >>
+					ERR_HDR_DMA_TX_ERR_TYPE_OFF;
+		u32 dma_rx_err_type = ((dma_err_type &
+					ERR_HDR_DMA_RX_ERR_TYPE_MSK)) >>
+					ERR_HDR_DMA_RX_ERR_TYPE_OFF;
+		u32 trans_tx_fail_type =
+				le32_to_cpu(err_record->trans_tx_fail_type);
+		u32 trans_rx_fail_type =
+				le32_to_cpu(err_record->trans_rx_fail_type);
+
+		if (dma_tx_err_type) {
+			/* dma tx err */
+			error = ffs(dma_tx_err_type)
+				- 1 + DMA_TX_ERR_BASE;
+		} else if (dma_rx_err_type) {
+			/* dma rx err */
+			error = ffs(dma_rx_err_type)
+				- 1 + DMA_RX_ERR_BASE;
+		} else if (trans_tx_fail_type) {
+			/* trans tx err */
+			error = ffs(trans_tx_fail_type)
+				- 1 + TRANS_TX_FAIL_BASE;
+		} else if (trans_rx_fail_type) {
+			/* trans rx err */
+			error = ffs(trans_rx_fail_type)
+				- 1 + TRANS_RX_FAIL_BASE;
+		}
+
+		switch (error) {
+		case DMA_TX_DATA_UNDERFLOW_ERR:
+		case DMA_RX_DATA_UNDERFLOW_ERR:
+		{
+			ts->residual = 0;
+			ts->stat = SAS_DATA_UNDERRUN;
+			break;
+		}
+		case DMA_TX_DATA_SGL_OVERFLOW_ERR:
+		case DMA_TX_DIF_SGL_OVERFLOW_ERR:
+		case DMA_TX_XFER_RDY_LENGTH_OVERFLOW_ERR:
+		case DMA_RX_DATA_OVERFLOW_ERR:
+		case TRANS_RX_FRAME_OVERRUN_ERR:
+		case TRANS_RX_LINK_BUF_OVERRUN_ERR:
+		{
+			ts->stat = SAS_DATA_OVERRUN;
+			ts->residual = 0;
+			break;
+		}
+		case TRANS_TX_PHY_NOT_ENABLE_ERR:
+		{
+			ts->stat = SAS_PHY_DOWN;
+			break;
+		}
+		case TRANS_TX_OPEN_REJCT_WRONG_DEST_ERR:
+		case TRANS_TX_OPEN_REJCT_ZONE_VIOLATION_ERR:
+		case TRANS_TX_OPEN_REJCT_BY_OTHER_ERR:
+		case TRANS_TX_OPEN_REJCT_AIP_TIMEOUT_ERR:
+		case TRANS_TX_OPEN_REJCT_STP_BUSY_ERR:
+		case TRANS_TX_OPEN_REJCT_PROTOCOL_NOT_SUPPORT_ERR:
+		case TRANS_TX_OPEN_REJCT_RATE_NOT_SUPPORT_ERR:
+		case TRANS_TX_OPEN_REJCT_BAD_DEST_ERR:
+		case TRANS_TX_OPEN_BREAK_RECEIVE_ERR:
+		case TRANS_TX_OPEN_REJCT_PATHWAY_BLOCKED_ERR:
+		case TRANS_TX_OPEN_REJCT_NO_DEST_ERR:
+		case TRANS_TX_OPEN_RETRY_ERR:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+			break;
+		}
+		case TRANS_TX_OPEN_TIMEOUT_ERR:
+		{
+			ts->stat = SAS_OPEN_TO;
+			break;
+		}
+		case TRANS_TX_NAK_RECEIVE_ERR:
+		case TRANS_TX_ACK_NAK_TIMEOUT_ERR:
+		{
+			ts->stat = SAS_NAK_R_ERR;
+			break;
+		}
+		case TRANS_TX_CREDIT_TIMEOUT_ERR:
+		case TRANS_TX_CLOSE_NORMAL_ERR:
+		{
+			/* This will request a retry */
+			ts->stat = SAS_QUEUE_FULL;
+			slot->abort = 1;
+			break;
+		}
+		default:
+		{
+			ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+			break;
+		}
+		}
+	}
+		break;
+	case SAS_PROTOCOL_SMP:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+	{
+		dev_err(dev, "slot err: SATA/STP not supported\n");
+	}
+		break;
+	default:
+		break;
+	}
+
+}
+
+static void slot_complete_v1_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_device *sas_dev;
+	struct device *dev = hisi_hba->dev;
+	struct task_status_struct *ts;
+	struct domain_device *device;
+	struct hisi_sas_complete_v1_hdr *complete_queue =
+			hisi_hba->complete_hdr[slot->cmplt_queue];
+	struct hisi_sas_complete_v1_hdr *complete_hdr;
+	unsigned long flags;
+	u32 cmplt_hdr_data;
+
+	complete_hdr = &complete_queue[slot->cmplt_queue_slot];
+	cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
+
+	if (unlikely(!task || !task->lldd_task || !task->dev))
+		return;
+
+	ts = &task->task_status;
+	device = task->dev;
+	sas_dev = device->lldd_dev;
+
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+	task->task_state_flags |= SAS_TASK_STATE_DONE;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+	memset(ts, 0, sizeof(*ts));
+	ts->resp = SAS_TASK_COMPLETE;
+
+	if (unlikely(!sas_dev)) {
+		dev_dbg(dev, "slot complete: port has no device\n");
+		ts->stat = SAS_PHY_DOWN;
+		goto out;
+	}
+
+	if (cmplt_hdr_data & CMPLT_HDR_IO_CFG_ERR_MSK) {
+		u32 info_reg = hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_DQ_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq IPTT err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_TYPE_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq type err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_FORCE_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq force phy err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_PHY_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq phy id err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_ABORT_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq abort flag err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_IPTT_OF_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq IPTT or ICT err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_SSP_ERR_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq SSP frame type err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		if (info_reg & HGC_INVLD_DQE_INFO_OFL_MSK)
+			dev_err(dev, "slot complete: [%d:%d] has dq order frame len err\n",
+				slot->cmplt_queue, slot->cmplt_queue_slot);
+
+		ts->stat = SAS_OPEN_REJECT;
+		ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+		goto out;
+	}
+
+	if (cmplt_hdr_data & CMPLT_HDR_ERR_RCRD_XFRD_MSK &&
+		!(cmplt_hdr_data & CMPLT_HDR_RSPNS_XFRD_MSK)) {
+
+		slot_err_v1_hw(hisi_hba, task, slot);
+		if (unlikely(slot->abort)) {
+			if (dev_is_sata(device) && task->ata_task.use_ncq)
+				sas_ata_device_link_abort(device, true);
+			else
+				sas_task_abort(task);
+
+			return;
+		}
+		goto out;
+	}
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+	{
+		struct hisi_sas_status_buffer *status_buffer =
+				hisi_sas_status_buf_addr_mem(slot);
+		struct ssp_response_iu *iu = (struct ssp_response_iu *)
+				&status_buffer->iu[0];
+
+		sas_ssp_task_response(dev, task, iu);
+		break;
+	}
+	case SAS_PROTOCOL_SMP:
+	{
+		struct scatterlist *sg_resp = &task->smp_task.smp_resp;
+		void *to = page_address(sg_page(sg_resp));
+
+		ts->stat = SAS_SAM_STAT_GOOD;
+
+		memcpy(to + sg_resp->offset,
+		       hisi_sas_status_buf_addr_mem(slot) +
+		       sizeof(struct hisi_sas_err_record),
+		       sg_resp->length);
+		break;
+	}
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+		dev_err(dev, "slot complete: SATA/STP not supported\n");
+		break;
+
+	default:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+	}
+
+	if (!slot->port->port_attached) {
+		dev_err(dev, "slot complete: port %d has removed\n",
+			slot->port->sas_port.id);
+		ts->stat = SAS_PHY_DOWN;
+	}
+
+out:
+	hisi_sas_slot_task_free(hisi_hba, task, slot);
+
+	if (task->task_done)
+		task->task_done(task);
+}
+
+/* Interrupts */
+static irqreturn_t int_phyup_v1_hw(int irq_no, void *p)
+{
+	struct hisi_sas_phy *phy = p;
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct device *dev = hisi_hba->dev;
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	int i, phy_no = sas_phy->id;
+	u32 irq_value, context, port_id, link_rate;
+	u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
+	struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
+	irqreturn_t res = IRQ_HANDLED;
+
+	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
+	if (!(irq_value & CHL_INT2_SL_PHY_ENA_MSK)) {
+		dev_dbg(dev, "phyup: irq_value = %x not set enable bit\n",
+			irq_value);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
+	if (context & 1 << phy_no) {
+		dev_err(dev, "phyup: phy%d SATA attached equipment\n",
+			phy_no);
+		goto end;
+	}
+
+	port_id = (hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA) >> (4 * phy_no))
+		  & 0xf;
+	if (port_id == 0xf) {
+		dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	for (i = 0; i < 6; i++) {
+		u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
+					RX_IDAF_DWORD0 + (i * 4));
+		frame_rcvd[i] = __swab32(idaf);
+	}
+
+	/* Get the linkrate */
+	link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
+	link_rate = (link_rate >> (phy_no * 4)) & 0xf;
+	sas_phy->linkrate = link_rate;
+	sas_phy->oob_mode = SAS_OOB_MODE;
+	memcpy(sas_phy->attached_sas_addr,
+		&id->sas_addr, SAS_ADDR_SIZE);
+	dev_info(dev, "phyup: phy%d link_rate=%d\n",
+		 phy_no, link_rate);
+	phy->port_id = port_id;
+	phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+	phy->phy_type |= PORT_TYPE_SAS;
+	phy->phy_attached = 1;
+	phy->identify.device_type = id->dev_type;
+	phy->frame_rcvd_size =	sizeof(struct sas_identify_frame);
+	if (phy->identify.device_type == SAS_END_DEVICE)
+		phy->identify.target_port_protocols =
+			SAS_PROTOCOL_SSP;
+	else if (phy->identify.device_type != SAS_PHY_UNUSED)
+		phy->identify.target_port_protocols =
+			SAS_PROTOCOL_SMP;
+	hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
+end:
+	if (phy->reset_completion)
+		complete(phy->reset_completion);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
+			     CHL_INT2_SL_PHY_ENA_MSK);
+
+	if (irq_value & CHL_INT2_SL_PHY_ENA_MSK) {
+		u32 chl_int0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
+
+		chl_int0 &= ~CHL_INT0_PHYCTRL_NOTRDY_MSK;
+		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, chl_int0);
+		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3ce3ee);
+	}
+
+	return res;
+}
+
+static irqreturn_t int_bcast_v1_hw(int irq, void *p)
+{
+	struct hisi_sas_phy *phy = p;
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct device *dev = hisi_hba->dev;
+	int phy_no = sas_phy->id;
+	u32 irq_value;
+	irqreturn_t res = IRQ_HANDLED;
+
+	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
+
+	if (!(irq_value & CHL_INT2_SL_RX_BC_ACK_MSK)) {
+		dev_err(dev, "bcast: irq_value = %x not set enable bit\n",
+			irq_value);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	hisi_sas_phy_bcast(phy);
+
+end:
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2,
+			     CHL_INT2_SL_RX_BC_ACK_MSK);
+
+	return res;
+}
+
+static irqreturn_t int_abnormal_v1_hw(int irq, void *p)
+{
+	struct hisi_sas_phy *phy = p;
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct device *dev = hisi_hba->dev;
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	u32 irq_value, irq_mask_old;
+	int phy_no = sas_phy->id;
+
+	/* mask_int0 */
+	irq_mask_old = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK, 0x3fffff);
+
+	/* read int0 */
+	irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
+
+	if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK) {
+		u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+
+		hisi_sas_phy_down(hisi_hba, phy_no,
+				  (phy_state & 1 << phy_no) ? 1 : 0,
+				  GFP_ATOMIC);
+	}
+
+	if (irq_value & CHL_INT0_ID_TIMEOUT_MSK)
+		dev_dbg(dev, "abnormal: ID_TIMEOUT phy%d identify timeout\n",
+			phy_no);
+
+	if (irq_value & CHL_INT0_DWS_LOST_MSK)
+		dev_dbg(dev, "abnormal: DWS_LOST phy%d dws lost\n", phy_no);
+
+	if (irq_value & CHL_INT0_SN_FAIL_NGR_MSK)
+		dev_dbg(dev, "abnormal: SN_FAIL_NGR phy%d sn fail ngr\n",
+			phy_no);
+
+	if (irq_value & CHL_INT0_SL_IDAF_FAIL_MSK ||
+		irq_value & CHL_INT0_SL_OPAF_FAIL_MSK)
+		dev_dbg(dev, "abnormal: SL_ID/OPAF_FAIL phy%d check adr frm err\n",
+			phy_no);
+
+	if (irq_value & CHL_INT0_SL_PS_FAIL_OFF)
+		dev_dbg(dev, "abnormal: SL_PS_FAIL phy%d fail\n", phy_no);
+
+	/* write to zero */
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, irq_value);
+
+	if (irq_value & CHL_INT0_PHYCTRL_NOTRDY_MSK)
+		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
+				0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
+	else
+		hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0_MSK,
+				irq_mask_old);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t cq_interrupt_v1_hw(int irq, void *p)
+{
+	struct hisi_sas_cq *cq = p;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	struct hisi_sas_slot *slot;
+	int queue = cq->id;
+	struct hisi_sas_complete_v1_hdr *complete_queue =
+			(struct hisi_sas_complete_v1_hdr *)
+			hisi_hba->complete_hdr[queue];
+	u32 rd_point = cq->rd_point, wr_point;
+
+	spin_lock(&hisi_hba->lock);
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
+	wr_point = hisi_sas_read32(hisi_hba,
+			COMPL_Q_0_WR_PTR + (0x14 * queue));
+
+	while (rd_point != wr_point) {
+		struct hisi_sas_complete_v1_hdr *complete_hdr;
+		int idx;
+		u32 cmplt_hdr_data;
+
+		complete_hdr = &complete_queue[rd_point];
+		cmplt_hdr_data = le32_to_cpu(complete_hdr->data);
+		idx = (cmplt_hdr_data & CMPLT_HDR_IPTT_MSK) >>
+		      CMPLT_HDR_IPTT_OFF;
+		slot = &hisi_hba->slot_info[idx];
+
+		/* The completion queue and queue slot index are not
+		 * necessarily the same as the delivery queue and
+		 * queue slot index.
+		 */
+		slot->cmplt_queue_slot = rd_point;
+		slot->cmplt_queue = queue;
+		slot_complete_v1_hw(hisi_hba, slot);
+
+		if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
+			rd_point = 0;
+	}
+
+	/* update rd_point */
+	cq->rd_point = rd_point;
+	hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
+	spin_unlock(&hisi_hba->lock);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t fatal_ecc_int_v1_hw(int irq, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	struct device *dev = hisi_hba->dev;
+	u32 ecc_int = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
+
+	if (ecc_int & SAS_ECC_INTR_DQ_ECC1B_MSK) {
+		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
+
+		panic("%s: Fatal DQ 1b ECC interrupt (0x%x)\n",
+		      dev_name(dev), ecc_err);
+	}
+
+	if (ecc_int & SAS_ECC_INTR_DQ_ECCBAD_MSK) {
+		u32 addr = (hisi_sas_read32(hisi_hba, HGC_DQ_ECC_ADDR) &
+				HGC_DQ_ECC_ADDR_BAD_MSK) >>
+				HGC_DQ_ECC_ADDR_BAD_OFF;
+
+		panic("%s: Fatal DQ RAM ECC interrupt @ 0x%08x\n",
+		      dev_name(dev), addr);
+	}
+
+	if (ecc_int & SAS_ECC_INTR_IOST_ECC1B_MSK) {
+		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
+
+		panic("%s: Fatal IOST 1b ECC interrupt (0x%x)\n",
+		      dev_name(dev), ecc_err);
+	}
+
+	if (ecc_int & SAS_ECC_INTR_IOST_ECCBAD_MSK) {
+		u32 addr = (hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR) &
+				HGC_IOST_ECC_ADDR_BAD_MSK) >>
+				HGC_IOST_ECC_ADDR_BAD_OFF;
+
+		panic("%s: Fatal IOST RAM ECC interrupt @ 0x%08x\n",
+		      dev_name(dev), addr);
+	}
+
+	if (ecc_int & SAS_ECC_INTR_ITCT_ECCBAD_MSK) {
+		u32 addr = (hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR) &
+				HGC_ITCT_ECC_ADDR_BAD_MSK) >>
+				HGC_ITCT_ECC_ADDR_BAD_OFF;
+
+		panic("%s: Fatal TCT RAM ECC interrupt @ 0x%08x\n",
+		      dev_name(dev), addr);
+	}
+
+	if (ecc_int & SAS_ECC_INTR_ITCT_ECC1B_MSK) {
+		u32 ecc_err = hisi_sas_read32(hisi_hba, HGC_ECC_ERR);
+
+		panic("%s: Fatal ITCT 1b ECC interrupt (0x%x)\n",
+		      dev_name(dev), ecc_err);
+	}
+
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR, ecc_int | 0x3f);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t fatal_axi_int_v1_hw(int irq, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	struct device *dev = hisi_hba->dev;
+	u32 axi_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC2);
+	u32 axi_info = hisi_sas_read32(hisi_hba, HGC_AXI_FIFO_ERR_INFO);
+
+	if (axi_int & ENT_INT_SRC2_DQ_CFG_ERR_MSK)
+		panic("%s: Fatal DQ_CFG_ERR interrupt (0x%x)\n",
+		      dev_name(dev), axi_info);
+
+	if (axi_int & ENT_INT_SRC2_CQ_CFG_ERR_MSK)
+		panic("%s: Fatal CQ_CFG_ERR interrupt (0x%x)\n",
+		      dev_name(dev), axi_info);
+
+	if (axi_int & ENT_INT_SRC2_AXI_WRONG_INT_MSK)
+		panic("%s: Fatal AXI_WRONG_INT interrupt (0x%x)\n",
+		      dev_name(dev), axi_info);
+
+	if (axi_int & ENT_INT_SRC2_AXI_OVERLF_INT_MSK)
+		panic("%s: Fatal AXI_OVERLF_INT incorrect interrupt (0x%x)\n",
+		      dev_name(dev), axi_info);
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC2, axi_int | 0x30000000);
+
+	return IRQ_HANDLED;
+}
+
+static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
+	int_bcast_v1_hw,
+	int_phyup_v1_hw,
+	int_abnormal_v1_hw
+};
+
+static irq_handler_t fatal_interrupts[HISI_SAS_MAX_QUEUES] = {
+	fatal_ecc_int_v1_hw,
+	fatal_axi_int_v1_hw
+};
+
+static int interrupt_init_v1_hw(struct hisi_hba *hisi_hba)
+{
+	struct platform_device *pdev = hisi_hba->platform_dev;
+	struct device *dev = &pdev->dev;
+	int i, j, irq, rc, idx;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+
+		idx = i * HISI_SAS_PHY_INT_NR;
+		for (j = 0; j < HISI_SAS_PHY_INT_NR; j++, idx++) {
+			irq = platform_get_irq(pdev, idx);
+			if (irq < 0)
+				return irq;
+
+			rc = devm_request_irq(dev, irq, phy_interrupts[j], 0,
+					      DRV_NAME " phy", phy);
+			if (rc) {
+				dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
+					irq, rc);
+				return rc;
+			}
+		}
+	}
+
+	idx = hisi_hba->n_phy * HISI_SAS_PHY_INT_NR;
+	for (i = 0; i < hisi_hba->queue_count; i++, idx++) {
+		irq = platform_get_irq(pdev, idx);
+		if (irq < 0)
+			return irq;
+
+		rc = devm_request_irq(dev, irq, cq_interrupt_v1_hw, 0,
+				      DRV_NAME " cq", &hisi_hba->cq[i]);
+		if (rc) {
+			dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
+				irq, rc);
+			return rc;
+		}
+	}
+
+	idx = (hisi_hba->n_phy * HISI_SAS_PHY_INT_NR) + hisi_hba->queue_count;
+	for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++, idx++) {
+		irq = platform_get_irq(pdev, idx);
+		if (irq < 0)
+			return irq;
+
+		rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
+				      DRV_NAME " fatal", hisi_hba);
+		if (rc) {
+			dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
+				irq, rc);
+			return rc;
+		}
+	}
+
+	hisi_hba->cq_nvecs = hisi_hba->queue_count;
+
+	return 0;
+}
+
+static int interrupt_openall_v1_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+	u32 val;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		/* Clear interrupt status */
+		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT0);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, val);
+		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT1);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, val);
+		val = hisi_sas_phy_read32(hisi_hba, i, CHL_INT2);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, val);
+
+		/* Unmask interrupt */
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK, 0x3ce3ee);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0x17fff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8000012a);
+
+		/* bypass chip bug mask abnormal intr */
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0_MSK,
+				0x3fffff & ~CHL_INT0_MSK_PHYCTRL_NOTRDY_MSK);
+	}
+
+	return 0;
+}
+
+static int hisi_sas_v1_init(struct hisi_hba *hisi_hba)
+{
+	int rc;
+
+	rc = hw_init_v1_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	rc = interrupt_init_v1_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	rc = interrupt_openall_v1_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+static struct attribute *host_v1_hw_attrs[] = {
+	&dev_attr_phy_event_threshold.attr,
+	NULL
+};
+
+ATTRIBUTE_GROUPS(host_v1_hw);
+
+static struct scsi_host_template sht_v1_hw = {
+	.name			= DRV_NAME,
+	.proc_name		= DRV_NAME,
+	.module			= THIS_MODULE,
+	.queuecommand		= sas_queuecommand,
+	.dma_need_drain		= ata_scsi_dma_need_drain,
+	.target_alloc		= sas_target_alloc,
+	.slave_configure	= hisi_sas_slave_configure,
+	.scan_finished		= hisi_sas_scan_finished,
+	.scan_start		= hisi_sas_scan_start,
+	.change_queue_depth	= sas_change_queue_depth,
+	.bios_param		= sas_bios_param,
+	.this_id		= -1,
+	.sg_tablesize		= HISI_SAS_SGE_PAGE_CNT,
+	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
+	.eh_device_reset_handler = sas_eh_device_reset_handler,
+	.eh_target_reset_handler = sas_eh_target_reset_handler,
+	.slave_alloc		= hisi_sas_slave_alloc,
+	.target_destroy		= sas_target_destroy,
+	.ioctl			= sas_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl		= sas_ioctl,
+#endif
+	.shost_groups		= host_v1_hw_groups,
+	.host_reset             = hisi_sas_host_reset,
+};
+
+static const struct hisi_sas_hw hisi_sas_v1_hw = {
+	.hw_init = hisi_sas_v1_init,
+	.setup_itct = setup_itct_v1_hw,
+	.sl_notify_ssp = sl_notify_ssp_v1_hw,
+	.clear_itct = clear_itct_v1_hw,
+	.prep_smp = prep_smp_v1_hw,
+	.prep_ssp = prep_ssp_v1_hw,
+	.start_delivery = start_delivery_v1_hw,
+	.phys_init = phys_init_v1_hw,
+	.phy_start = start_phy_v1_hw,
+	.phy_disable = disable_phy_v1_hw,
+	.phy_hard_reset = phy_hard_reset_v1_hw,
+	.phy_set_linkrate = phy_set_linkrate_v1_hw,
+	.phy_get_max_linkrate = phy_get_max_linkrate_v1_hw,
+	.get_wideport_bitmap = get_wideport_bitmap_v1_hw,
+	.complete_hdr_size = sizeof(struct hisi_sas_complete_v1_hdr),
+	.sht = &sht_v1_hw,
+};
+
+static int hisi_sas_v1_probe(struct platform_device *pdev)
+{
+	return hisi_sas_probe(pdev, &hisi_sas_v1_hw);
+}
+
+static int hisi_sas_v1_remove(struct platform_device *pdev)
+{
+	return hisi_sas_remove(pdev);
+}
+
+static const struct of_device_id sas_v1_of_match[] = {
+	{ .compatible = "hisilicon,hip05-sas-v1",},
+	{},
+};
+MODULE_DEVICE_TABLE(of, sas_v1_of_match);
+
+static const struct acpi_device_id sas_v1_acpi_match[] = {
+	{ "HISI0161", 0 },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(acpi, sas_v1_acpi_match);
+
+static struct platform_driver hisi_sas_v1_driver = {
+	.probe = hisi_sas_v1_probe,
+	.remove = hisi_sas_v1_remove,
+	.driver = {
+		.name = DRV_NAME,
+		.of_match_table = sas_v1_of_match,
+		.acpi_match_table = ACPI_PTR(sas_v1_acpi_match),
+	},
+};
+
+module_platform_driver(hisi_sas_v1_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
+MODULE_DESCRIPTION("HISILICON SAS controller v1 hw driver");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
new file mode 100644
index 000000000..506976721
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -0,0 +1,3663 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2016 Linaro Ltd.
+ * Copyright (c) 2016 Hisilicon Limited.
+ */
+
+#include "hisi_sas.h"
+#define DRV_NAME "hisi_sas_v2_hw"
+
+/* global registers need init*/
+#define DLVRY_QUEUE_ENABLE		0x0
+#define IOST_BASE_ADDR_LO		0x8
+#define IOST_BASE_ADDR_HI		0xc
+#define ITCT_BASE_ADDR_LO		0x10
+#define ITCT_BASE_ADDR_HI		0x14
+#define IO_BROKEN_MSG_ADDR_LO		0x18
+#define IO_BROKEN_MSG_ADDR_HI		0x1c
+#define PHY_CONTEXT			0x20
+#define PHY_STATE			0x24
+#define PHY_PORT_NUM_MA			0x28
+#define PORT_STATE			0x2c
+#define PORT_STATE_PHY8_PORT_NUM_OFF	16
+#define PORT_STATE_PHY8_PORT_NUM_MSK	(0xf << PORT_STATE_PHY8_PORT_NUM_OFF)
+#define PORT_STATE_PHY8_CONN_RATE_OFF	20
+#define PORT_STATE_PHY8_CONN_RATE_MSK	(0xf << PORT_STATE_PHY8_CONN_RATE_OFF)
+#define PHY_CONN_RATE			0x30
+#define HGC_TRANS_TASK_CNT_LIMIT	0x38
+#define AXI_AHB_CLK_CFG			0x3c
+#define ITCT_CLR			0x44
+#define ITCT_CLR_EN_OFF			16
+#define ITCT_CLR_EN_MSK			(0x1 << ITCT_CLR_EN_OFF)
+#define ITCT_DEV_OFF			0
+#define ITCT_DEV_MSK			(0x7ff << ITCT_DEV_OFF)
+#define AXI_USER1			0x48
+#define AXI_USER2			0x4c
+#define IO_SATA_BROKEN_MSG_ADDR_LO	0x58
+#define IO_SATA_BROKEN_MSG_ADDR_HI	0x5c
+#define SATA_INITI_D2H_STORE_ADDR_LO	0x60
+#define SATA_INITI_D2H_STORE_ADDR_HI	0x64
+#define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL	0x84
+#define HGC_SAS_TXFAIL_RETRY_CTRL	0x88
+#define HGC_GET_ITV_TIME		0x90
+#define DEVICE_MSG_WORK_MODE		0x94
+#define OPENA_WT_CONTI_TIME		0x9c
+#define I_T_NEXUS_LOSS_TIME		0xa0
+#define MAX_CON_TIME_LIMIT_TIME		0xa4
+#define BUS_INACTIVE_LIMIT_TIME		0xa8
+#define REJECT_TO_OPEN_LIMIT_TIME	0xac
+#define CFG_AGING_TIME			0xbc
+#define HGC_DFX_CFG2			0xc0
+#define HGC_IOMB_PROC1_STATUS	0x104
+#define CFG_1US_TIMER_TRSH		0xcc
+#define HGC_LM_DFX_STATUS2		0x128
+#define HGC_LM_DFX_STATUS2_IOSTLIST_OFF		0
+#define HGC_LM_DFX_STATUS2_IOSTLIST_MSK	(0xfff << \
+					 HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
+#define HGC_LM_DFX_STATUS2_ITCTLIST_OFF		12
+#define HGC_LM_DFX_STATUS2_ITCTLIST_MSK	(0x7ff << \
+					 HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
+#define HGC_CQE_ECC_ADDR		0x13c
+#define HGC_CQE_ECC_1B_ADDR_OFF	0
+#define HGC_CQE_ECC_1B_ADDR_MSK	(0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
+#define HGC_CQE_ECC_MB_ADDR_OFF	8
+#define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
+#define HGC_IOST_ECC_ADDR		0x140
+#define HGC_IOST_ECC_1B_ADDR_OFF	0
+#define HGC_IOST_ECC_1B_ADDR_MSK	(0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
+#define HGC_IOST_ECC_MB_ADDR_OFF	16
+#define HGC_IOST_ECC_MB_ADDR_MSK	(0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
+#define HGC_DQE_ECC_ADDR		0x144
+#define HGC_DQE_ECC_1B_ADDR_OFF	0
+#define HGC_DQE_ECC_1B_ADDR_MSK	(0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
+#define HGC_DQE_ECC_MB_ADDR_OFF	16
+#define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
+#define HGC_INVLD_DQE_INFO		0x148
+#define HGC_INVLD_DQE_INFO_FB_CH0_OFF	9
+#define HGC_INVLD_DQE_INFO_FB_CH0_MSK	(0x1 << HGC_INVLD_DQE_INFO_FB_CH0_OFF)
+#define HGC_INVLD_DQE_INFO_FB_CH3_OFF	18
+#define HGC_ITCT_ECC_ADDR		0x150
+#define HGC_ITCT_ECC_1B_ADDR_OFF		0
+#define HGC_ITCT_ECC_1B_ADDR_MSK		(0x3ff << \
+						 HGC_ITCT_ECC_1B_ADDR_OFF)
+#define HGC_ITCT_ECC_MB_ADDR_OFF		16
+#define HGC_ITCT_ECC_MB_ADDR_MSK		(0x3ff << \
+						 HGC_ITCT_ECC_MB_ADDR_OFF)
+#define HGC_AXI_FIFO_ERR_INFO	0x154
+#define AXI_ERR_INFO_OFF		0
+#define AXI_ERR_INFO_MSK		(0xff << AXI_ERR_INFO_OFF)
+#define FIFO_ERR_INFO_OFF		8
+#define FIFO_ERR_INFO_MSK		(0xff << FIFO_ERR_INFO_OFF)
+#define INT_COAL_EN			0x19c
+#define OQ_INT_COAL_TIME		0x1a0
+#define OQ_INT_COAL_CNT			0x1a4
+#define ENT_INT_COAL_TIME		0x1a8
+#define ENT_INT_COAL_CNT		0x1ac
+#define OQ_INT_SRC			0x1b0
+#define OQ_INT_SRC_MSK			0x1b4
+#define ENT_INT_SRC1			0x1b8
+#define ENT_INT_SRC1_D2H_FIS_CH0_OFF	0
+#define ENT_INT_SRC1_D2H_FIS_CH0_MSK	(0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
+#define ENT_INT_SRC1_D2H_FIS_CH1_OFF	8
+#define ENT_INT_SRC1_D2H_FIS_CH1_MSK	(0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
+#define ENT_INT_SRC2			0x1bc
+#define ENT_INT_SRC3			0x1c0
+#define ENT_INT_SRC3_WP_DEPTH_OFF		8
+#define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF	9
+#define ENT_INT_SRC3_RP_DEPTH_OFF		10
+#define ENT_INT_SRC3_AXI_OFF			11
+#define ENT_INT_SRC3_FIFO_OFF			12
+#define ENT_INT_SRC3_LM_OFF				14
+#define ENT_INT_SRC3_ITC_INT_OFF	15
+#define ENT_INT_SRC3_ITC_INT_MSK	(0x1 << ENT_INT_SRC3_ITC_INT_OFF)
+#define ENT_INT_SRC3_ABT_OFF		16
+#define ENT_INT_SRC_MSK1		0x1c4
+#define ENT_INT_SRC_MSK2		0x1c8
+#define ENT_INT_SRC_MSK3		0x1cc
+#define ENT_INT_SRC_MSK3_ENT95_MSK_OFF	31
+#define ENT_INT_SRC_MSK3_ENT95_MSK_MSK	(0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
+#define SAS_ECC_INTR			0x1e8
+#define SAS_ECC_INTR_DQE_ECC_1B_OFF		0
+#define SAS_ECC_INTR_DQE_ECC_MB_OFF		1
+#define SAS_ECC_INTR_IOST_ECC_1B_OFF	2
+#define SAS_ECC_INTR_IOST_ECC_MB_OFF	3
+#define SAS_ECC_INTR_ITCT_ECC_MB_OFF	4
+#define SAS_ECC_INTR_ITCT_ECC_1B_OFF	5
+#define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF	6
+#define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF	7
+#define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF	8
+#define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF	9
+#define SAS_ECC_INTR_CQE_ECC_1B_OFF		10
+#define SAS_ECC_INTR_CQE_ECC_MB_OFF		11
+#define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF	12
+#define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF	13
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF	14
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF	15
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF	16
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF	17
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF	18
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF	19
+#define SAS_ECC_INTR_MSK		0x1ec
+#define HGC_ERR_STAT_EN			0x238
+#define CQE_SEND_CNT			0x248
+#define DLVRY_Q_0_BASE_ADDR_LO		0x260
+#define DLVRY_Q_0_BASE_ADDR_HI		0x264
+#define DLVRY_Q_0_DEPTH			0x268
+#define DLVRY_Q_0_WR_PTR		0x26c
+#define DLVRY_Q_0_RD_PTR		0x270
+#define HYPER_STREAM_ID_EN_CFG		0xc80
+#define OQ0_INT_SRC_MSK			0xc90
+#define COMPL_Q_0_BASE_ADDR_LO		0x4e0
+#define COMPL_Q_0_BASE_ADDR_HI		0x4e4
+#define COMPL_Q_0_DEPTH			0x4e8
+#define COMPL_Q_0_WR_PTR		0x4ec
+#define COMPL_Q_0_RD_PTR		0x4f0
+#define HGC_RXM_DFX_STATUS14	0xae8
+#define HGC_RXM_DFX_STATUS14_MEM0_OFF		0
+#define HGC_RXM_DFX_STATUS14_MEM0_MSK		(0x1ff << \
+						 HGC_RXM_DFX_STATUS14_MEM0_OFF)
+#define HGC_RXM_DFX_STATUS14_MEM1_OFF		9
+#define HGC_RXM_DFX_STATUS14_MEM1_MSK		(0x1ff << \
+						 HGC_RXM_DFX_STATUS14_MEM1_OFF)
+#define HGC_RXM_DFX_STATUS14_MEM2_OFF		18
+#define HGC_RXM_DFX_STATUS14_MEM2_MSK		(0x1ff << \
+						 HGC_RXM_DFX_STATUS14_MEM2_OFF)
+#define HGC_RXM_DFX_STATUS15	0xaec
+#define HGC_RXM_DFX_STATUS15_MEM3_OFF		0
+#define HGC_RXM_DFX_STATUS15_MEM3_MSK		(0x1ff << \
+						 HGC_RXM_DFX_STATUS15_MEM3_OFF)
+/* phy registers need init */
+#define PORT_BASE			(0x2000)
+
+#define PHY_CFG				(PORT_BASE + 0x0)
+#define HARD_PHY_LINKRATE		(PORT_BASE + 0x4)
+#define PHY_CFG_ENA_OFF			0
+#define PHY_CFG_ENA_MSK			(0x1 << PHY_CFG_ENA_OFF)
+#define PHY_CFG_DC_OPT_OFF		2
+#define PHY_CFG_DC_OPT_MSK		(0x1 << PHY_CFG_DC_OPT_OFF)
+#define PROG_PHY_LINK_RATE		(PORT_BASE + 0x8)
+#define PROG_PHY_LINK_RATE_MAX_OFF	0
+#define PROG_PHY_LINK_RATE_MAX_MSK	(0xff << PROG_PHY_LINK_RATE_MAX_OFF)
+#define PHY_CTRL			(PORT_BASE + 0x14)
+#define PHY_CTRL_RESET_OFF		0
+#define PHY_CTRL_RESET_MSK		(0x1 << PHY_CTRL_RESET_OFF)
+#define SAS_PHY_CTRL			(PORT_BASE + 0x20)
+#define SL_CFG				(PORT_BASE + 0x84)
+#define PHY_PCN				(PORT_BASE + 0x44)
+#define SL_TOUT_CFG			(PORT_BASE + 0x8c)
+#define SL_CONTROL			(PORT_BASE + 0x94)
+#define SL_CONTROL_NOTIFY_EN_OFF	0
+#define SL_CONTROL_NOTIFY_EN_MSK	(0x1 << SL_CONTROL_NOTIFY_EN_OFF)
+#define SL_CONTROL_CTA_OFF		17
+#define SL_CONTROL_CTA_MSK		(0x1 << SL_CONTROL_CTA_OFF)
+#define RX_PRIMS_STATUS			(PORT_BASE + 0x98)
+#define RX_BCAST_CHG_OFF		1
+#define RX_BCAST_CHG_MSK		(0x1 << RX_BCAST_CHG_OFF)
+#define TX_ID_DWORD0			(PORT_BASE + 0x9c)
+#define TX_ID_DWORD1			(PORT_BASE + 0xa0)
+#define TX_ID_DWORD2			(PORT_BASE + 0xa4)
+#define TX_ID_DWORD3			(PORT_BASE + 0xa8)
+#define TX_ID_DWORD4			(PORT_BASE + 0xaC)
+#define TX_ID_DWORD5			(PORT_BASE + 0xb0)
+#define TX_ID_DWORD6			(PORT_BASE + 0xb4)
+#define TXID_AUTO			(PORT_BASE + 0xb8)
+#define TXID_AUTO_CT3_OFF		1
+#define TXID_AUTO_CT3_MSK		(0x1 << TXID_AUTO_CT3_OFF)
+#define TXID_AUTO_CTB_OFF		11
+#define TXID_AUTO_CTB_MSK		(0x1 << TXID_AUTO_CTB_OFF)
+#define TX_HARDRST_OFF			2
+#define TX_HARDRST_MSK			(0x1 << TX_HARDRST_OFF)
+#define RX_IDAF_DWORD0			(PORT_BASE + 0xc4)
+#define RX_IDAF_DWORD1			(PORT_BASE + 0xc8)
+#define RX_IDAF_DWORD2			(PORT_BASE + 0xcc)
+#define RX_IDAF_DWORD3			(PORT_BASE + 0xd0)
+#define RX_IDAF_DWORD4			(PORT_BASE + 0xd4)
+#define RX_IDAF_DWORD5			(PORT_BASE + 0xd8)
+#define RX_IDAF_DWORD6			(PORT_BASE + 0xdc)
+#define RXOP_CHECK_CFG_H		(PORT_BASE + 0xfc)
+#define CON_CONTROL			(PORT_BASE + 0x118)
+#define CON_CONTROL_CFG_OPEN_ACC_STP_OFF	0
+#define CON_CONTROL_CFG_OPEN_ACC_STP_MSK	\
+		(0x01 << CON_CONTROL_CFG_OPEN_ACC_STP_OFF)
+#define DONE_RECEIVED_TIME		(PORT_BASE + 0x11c)
+#define CHL_INT0			(PORT_BASE + 0x1b4)
+#define CHL_INT0_HOTPLUG_TOUT_OFF	0
+#define CHL_INT0_HOTPLUG_TOUT_MSK	(0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
+#define CHL_INT0_SL_RX_BCST_ACK_OFF	1
+#define CHL_INT0_SL_RX_BCST_ACK_MSK	(0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
+#define CHL_INT0_SL_PHY_ENABLE_OFF	2
+#define CHL_INT0_SL_PHY_ENABLE_MSK	(0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
+#define CHL_INT0_NOT_RDY_OFF		4
+#define CHL_INT0_NOT_RDY_MSK		(0x1 << CHL_INT0_NOT_RDY_OFF)
+#define CHL_INT0_PHY_RDY_OFF		5
+#define CHL_INT0_PHY_RDY_MSK		(0x1 << CHL_INT0_PHY_RDY_OFF)
+#define CHL_INT1			(PORT_BASE + 0x1b8)
+#define CHL_INT1_DMAC_TX_ECC_ERR_OFF	15
+#define CHL_INT1_DMAC_TX_ECC_ERR_MSK	(0x1 << CHL_INT1_DMAC_TX_ECC_ERR_OFF)
+#define CHL_INT1_DMAC_RX_ECC_ERR_OFF	17
+#define CHL_INT1_DMAC_RX_ECC_ERR_MSK	(0x1 << CHL_INT1_DMAC_RX_ECC_ERR_OFF)
+#define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF	19
+#define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF	20
+#define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF	21
+#define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF	22
+#define CHL_INT2			(PORT_BASE + 0x1bc)
+#define CHL_INT2_SL_IDAF_TOUT_CONF_OFF	0
+#define CHL_INT0_MSK			(PORT_BASE + 0x1c0)
+#define CHL_INT1_MSK			(PORT_BASE + 0x1c4)
+#define CHL_INT2_MSK			(PORT_BASE + 0x1c8)
+#define CHL_INT_COAL_EN			(PORT_BASE + 0x1d0)
+#define DMA_TX_DFX0				(PORT_BASE + 0x200)
+#define DMA_TX_DFX1				(PORT_BASE + 0x204)
+#define DMA_TX_DFX1_IPTT_OFF		0
+#define DMA_TX_DFX1_IPTT_MSK		(0xffff << DMA_TX_DFX1_IPTT_OFF)
+#define DMA_TX_FIFO_DFX0		(PORT_BASE + 0x240)
+#define PORT_DFX0				(PORT_BASE + 0x258)
+#define LINK_DFX2					(PORT_BASE + 0X264)
+#define LINK_DFX2_RCVR_HOLD_STS_OFF	9
+#define LINK_DFX2_RCVR_HOLD_STS_MSK	(0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF)
+#define LINK_DFX2_SEND_HOLD_STS_OFF	10
+#define LINK_DFX2_SEND_HOLD_STS_MSK	(0x1 << LINK_DFX2_SEND_HOLD_STS_OFF)
+#define SAS_ERR_CNT4_REG		(PORT_BASE + 0x290)
+#define SAS_ERR_CNT6_REG		(PORT_BASE + 0x298)
+#define PHY_CTRL_RDY_MSK		(PORT_BASE + 0x2b0)
+#define PHYCTRL_NOT_RDY_MSK		(PORT_BASE + 0x2b4)
+#define PHYCTRL_DWS_RESET_MSK		(PORT_BASE + 0x2b8)
+#define PHYCTRL_PHY_ENA_MSK		(PORT_BASE + 0x2bc)
+#define SL_RX_BCAST_CHK_MSK		(PORT_BASE + 0x2c0)
+#define PHYCTRL_OOB_RESTART_MSK		(PORT_BASE + 0x2c4)
+#define DMA_TX_STATUS			(PORT_BASE + 0x2d0)
+#define DMA_TX_STATUS_BUSY_OFF		0
+#define DMA_TX_STATUS_BUSY_MSK		(0x1 << DMA_TX_STATUS_BUSY_OFF)
+#define DMA_RX_STATUS			(PORT_BASE + 0x2e8)
+#define DMA_RX_STATUS_BUSY_OFF		0
+#define DMA_RX_STATUS_BUSY_MSK		(0x1 << DMA_RX_STATUS_BUSY_OFF)
+
+#define AXI_CFG				(0x5100)
+#define AM_CFG_MAX_TRANS		(0x5010)
+#define AM_CFG_SINGLE_PORT_MAX_TRANS	(0x5014)
+
+#define AXI_MASTER_CFG_BASE		(0x5000)
+#define AM_CTRL_GLOBAL			(0x0)
+#define AM_CURR_TRANS_RETURN	(0x150)
+
+/* HW dma structures */
+/* Delivery queue header */
+/* dw0 */
+#define CMD_HDR_ABORT_FLAG_OFF		0
+#define CMD_HDR_ABORT_FLAG_MSK		(0x3 << CMD_HDR_ABORT_FLAG_OFF)
+#define CMD_HDR_ABORT_DEVICE_TYPE_OFF	2
+#define CMD_HDR_ABORT_DEVICE_TYPE_MSK	(0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
+#define CMD_HDR_RESP_REPORT_OFF		5
+#define CMD_HDR_RESP_REPORT_MSK		(0x1 << CMD_HDR_RESP_REPORT_OFF)
+#define CMD_HDR_TLR_CTRL_OFF		6
+#define CMD_HDR_TLR_CTRL_MSK		(0x3 << CMD_HDR_TLR_CTRL_OFF)
+#define CMD_HDR_PHY_ID_OFF		8
+#define CMD_HDR_PHY_ID_MSK		(0x1ff << CMD_HDR_PHY_ID_OFF)
+#define CMD_HDR_FORCE_PHY_OFF		17
+#define CMD_HDR_FORCE_PHY_MSK		(0x1 << CMD_HDR_FORCE_PHY_OFF)
+#define CMD_HDR_PORT_OFF		18
+#define CMD_HDR_PORT_MSK		(0xf << CMD_HDR_PORT_OFF)
+#define CMD_HDR_PRIORITY_OFF		27
+#define CMD_HDR_PRIORITY_MSK		(0x1 << CMD_HDR_PRIORITY_OFF)
+#define CMD_HDR_CMD_OFF			29
+#define CMD_HDR_CMD_MSK			(0x7 << CMD_HDR_CMD_OFF)
+/* dw1 */
+#define CMD_HDR_DIR_OFF			5
+#define CMD_HDR_DIR_MSK			(0x3 << CMD_HDR_DIR_OFF)
+#define CMD_HDR_RESET_OFF		7
+#define CMD_HDR_RESET_MSK		(0x1 << CMD_HDR_RESET_OFF)
+#define CMD_HDR_VDTL_OFF		10
+#define CMD_HDR_VDTL_MSK		(0x1 << CMD_HDR_VDTL_OFF)
+#define CMD_HDR_FRAME_TYPE_OFF		11
+#define CMD_HDR_FRAME_TYPE_MSK		(0x1f << CMD_HDR_FRAME_TYPE_OFF)
+#define CMD_HDR_DEV_ID_OFF		16
+#define CMD_HDR_DEV_ID_MSK		(0xffff << CMD_HDR_DEV_ID_OFF)
+/* dw2 */
+#define CMD_HDR_CFL_OFF			0
+#define CMD_HDR_CFL_MSK			(0x1ff << CMD_HDR_CFL_OFF)
+#define CMD_HDR_NCQ_TAG_OFF		10
+#define CMD_HDR_NCQ_TAG_MSK		(0x1f << CMD_HDR_NCQ_TAG_OFF)
+#define CMD_HDR_MRFL_OFF		15
+#define CMD_HDR_MRFL_MSK		(0x1ff << CMD_HDR_MRFL_OFF)
+#define CMD_HDR_SG_MOD_OFF		24
+#define CMD_HDR_SG_MOD_MSK		(0x3 << CMD_HDR_SG_MOD_OFF)
+#define CMD_HDR_FIRST_BURST_OFF		26
+#define CMD_HDR_FIRST_BURST_MSK		(0x1 << CMD_HDR_SG_MOD_OFF)
+/* dw3 */
+#define CMD_HDR_IPTT_OFF		0
+#define CMD_HDR_IPTT_MSK		(0xffff << CMD_HDR_IPTT_OFF)
+/* dw6 */
+#define CMD_HDR_DIF_SGL_LEN_OFF		0
+#define CMD_HDR_DIF_SGL_LEN_MSK		(0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
+#define CMD_HDR_DATA_SGL_LEN_OFF	16
+#define CMD_HDR_DATA_SGL_LEN_MSK	(0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
+#define CMD_HDR_ABORT_IPTT_OFF		16
+#define CMD_HDR_ABORT_IPTT_MSK		(0xffff << CMD_HDR_ABORT_IPTT_OFF)
+
+/* Completion header */
+/* dw0 */
+#define CMPLT_HDR_ERR_PHASE_OFF	2
+#define CMPLT_HDR_ERR_PHASE_MSK	(0xff << CMPLT_HDR_ERR_PHASE_OFF)
+#define CMPLT_HDR_RSPNS_XFRD_OFF	10
+#define CMPLT_HDR_RSPNS_XFRD_MSK	(0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
+#define CMPLT_HDR_ERX_OFF		12
+#define CMPLT_HDR_ERX_MSK		(0x1 << CMPLT_HDR_ERX_OFF)
+#define CMPLT_HDR_ABORT_STAT_OFF	13
+#define CMPLT_HDR_ABORT_STAT_MSK	(0x7 << CMPLT_HDR_ABORT_STAT_OFF)
+/* abort_stat */
+#define STAT_IO_NOT_VALID		0x1
+#define STAT_IO_NO_DEVICE		0x2
+#define STAT_IO_COMPLETE		0x3
+#define STAT_IO_ABORTED			0x4
+/* dw1 */
+#define CMPLT_HDR_IPTT_OFF		0
+#define CMPLT_HDR_IPTT_MSK		(0xffff << CMPLT_HDR_IPTT_OFF)
+#define CMPLT_HDR_DEV_ID_OFF		16
+#define CMPLT_HDR_DEV_ID_MSK		(0xffff << CMPLT_HDR_DEV_ID_OFF)
+
+/* ITCT header */
+/* qw0 */
+#define ITCT_HDR_DEV_TYPE_OFF		0
+#define ITCT_HDR_DEV_TYPE_MSK		(0x3 << ITCT_HDR_DEV_TYPE_OFF)
+#define ITCT_HDR_VALID_OFF		2
+#define ITCT_HDR_VALID_MSK		(0x1 << ITCT_HDR_VALID_OFF)
+#define ITCT_HDR_MCR_OFF		5
+#define ITCT_HDR_MCR_MSK		(0xf << ITCT_HDR_MCR_OFF)
+#define ITCT_HDR_VLN_OFF		9
+#define ITCT_HDR_VLN_MSK		(0xf << ITCT_HDR_VLN_OFF)
+#define ITCT_HDR_SMP_TIMEOUT_OFF	16
+#define ITCT_HDR_SMP_TIMEOUT_8US	1
+#define ITCT_HDR_SMP_TIMEOUT		(ITCT_HDR_SMP_TIMEOUT_8US * \
+					 250) /* 2ms */
+#define ITCT_HDR_AWT_CONTINUE_OFF	25
+#define ITCT_HDR_PORT_ID_OFF		28
+#define ITCT_HDR_PORT_ID_MSK		(0xf << ITCT_HDR_PORT_ID_OFF)
+/* qw2 */
+#define ITCT_HDR_INLT_OFF		0
+#define ITCT_HDR_INLT_MSK		(0xffffULL << ITCT_HDR_INLT_OFF)
+#define ITCT_HDR_BITLT_OFF		16
+#define ITCT_HDR_BITLT_MSK		(0xffffULL << ITCT_HDR_BITLT_OFF)
+#define ITCT_HDR_MCTLT_OFF		32
+#define ITCT_HDR_MCTLT_MSK		(0xffffULL << ITCT_HDR_MCTLT_OFF)
+#define ITCT_HDR_RTOLT_OFF		48
+#define ITCT_HDR_RTOLT_MSK		(0xffffULL << ITCT_HDR_RTOLT_OFF)
+
+#define HISI_SAS_FATAL_INT_NR	2
+
+struct hisi_sas_complete_v2_hdr {
+	__le32 dw0;
+	__le32 dw1;
+	__le32 act;
+	__le32 dw3;
+};
+
+struct hisi_sas_err_record_v2 {
+	/* dw0 */
+	__le32 trans_tx_fail_type;
+
+	/* dw1 */
+	__le32 trans_rx_fail_type;
+
+	/* dw2 */
+	__le16 dma_tx_err_type;
+	__le16 sipc_rx_err_type;
+
+	/* dw3 */
+	__le32 dma_rx_err_type;
+};
+
+struct signal_attenuation_s {
+	u32 de_emphasis;
+	u32 preshoot;
+	u32 boost;
+};
+
+struct sig_atten_lu_s {
+	const struct signal_attenuation_s *att;
+	u32 sas_phy_ctrl;
+};
+
+static const struct hisi_sas_hw_error one_bit_ecc_errors[] = {
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF),
+		.msk = HGC_DQE_ECC_1B_ADDR_MSK,
+		.shift = HGC_DQE_ECC_1B_ADDR_OFF,
+		.msg = "hgc_dqe_ecc1b_intr",
+		.reg = HGC_DQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF),
+		.msk = HGC_IOST_ECC_1B_ADDR_MSK,
+		.shift = HGC_IOST_ECC_1B_ADDR_OFF,
+		.msg = "hgc_iost_ecc1b_intr",
+		.reg = HGC_IOST_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF),
+		.msk = HGC_ITCT_ECC_1B_ADDR_MSK,
+		.shift = HGC_ITCT_ECC_1B_ADDR_OFF,
+		.msg = "hgc_itct_ecc1b_intr",
+		.reg = HGC_ITCT_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF),
+		.msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
+		.msg = "hgc_iostl_ecc1b_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF),
+		.msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
+		.msg = "hgc_itctl_ecc1b_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF),
+		.msk = HGC_CQE_ECC_1B_ADDR_MSK,
+		.shift = HGC_CQE_ECC_1B_ADDR_OFF,
+		.msg = "hgc_cqe_ecc1b_intr",
+		.reg = HGC_CQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
+		.msg = "rxm_mem0_ecc1b_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
+		.msg = "rxm_mem1_ecc1b_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
+		.msg = "rxm_mem2_ecc1b_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF),
+		.msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
+		.shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
+		.msg = "rxm_mem3_ecc1b_intr",
+		.reg = HGC_RXM_DFX_STATUS15,
+	},
+};
+
+static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
+		.msk = HGC_DQE_ECC_MB_ADDR_MSK,
+		.shift = HGC_DQE_ECC_MB_ADDR_OFF,
+		.msg = "hgc_dqe_eccbad_intr",
+		.reg = HGC_DQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
+		.msk = HGC_IOST_ECC_MB_ADDR_MSK,
+		.shift = HGC_IOST_ECC_MB_ADDR_OFF,
+		.msg = "hgc_iost_eccbad_intr",
+		.reg = HGC_IOST_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
+		.msk = HGC_ITCT_ECC_MB_ADDR_MSK,
+		.shift = HGC_ITCT_ECC_MB_ADDR_OFF,
+		.msg = "hgc_itct_eccbad_intr",
+		.reg = HGC_ITCT_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
+		.msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
+		.msg = "hgc_iostl_eccbad_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
+		.msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
+		.msg = "hgc_itctl_eccbad_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
+		.msk = HGC_CQE_ECC_MB_ADDR_MSK,
+		.shift = HGC_CQE_ECC_MB_ADDR_OFF,
+		.msg = "hgc_cqe_eccbad_intr",
+		.reg = HGC_CQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
+		.msg = "rxm_mem0_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
+		.msg = "rxm_mem1_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
+		.msg = "rxm_mem2_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
+		.shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
+		.msg = "rxm_mem3_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS15,
+	},
+};
+
+enum {
+	HISI_SAS_PHY_PHY_UPDOWN,
+	HISI_SAS_PHY_CHNL_INT,
+	HISI_SAS_PHY_INT_NR
+};
+
+enum {
+	TRANS_TX_FAIL_BASE = 0x0, /* dw0 */
+	TRANS_RX_FAIL_BASE = 0x20, /* dw1 */
+	DMA_TX_ERR_BASE = 0x40, /* dw2 bit 15-0 */
+	SIPC_RX_ERR_BASE = 0x50, /* dw2 bit 31-16*/
+	DMA_RX_ERR_BASE = 0x60, /* dw3 */
+
+	/* trans tx*/
+	TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS = TRANS_TX_FAIL_BASE, /* 0x0 */
+	TRANS_TX_ERR_PHY_NOT_ENABLE, /* 0x1 */
+	TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION, /* 0x2 */
+	TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION, /* 0x3 */
+	TRANS_TX_OPEN_CNX_ERR_BY_OTHER, /* 0x4 */
+	RESERVED0, /* 0x5 */
+	TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT, /* 0x6 */
+	TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY, /* 0x7 */
+	TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED, /* 0x8 */
+	TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED, /* 0x9 */
+	TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION, /* 0xa */
+	TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD, /* 0xb */
+	TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER, /* 0xc */
+	TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED, /* 0xd */
+	TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT, /* 0xe */
+	TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION, /* 0xf */
+	TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED, /* 0x10 */
+	TRANS_TX_ERR_FRAME_TXED, /* 0x11 */
+	TRANS_TX_ERR_WITH_BREAK_TIMEOUT, /* 0x12 */
+	TRANS_TX_ERR_WITH_BREAK_REQUEST, /* 0x13 */
+	TRANS_TX_ERR_WITH_BREAK_RECEVIED, /* 0x14 */
+	TRANS_TX_ERR_WITH_CLOSE_TIMEOUT, /* 0x15 */
+	TRANS_TX_ERR_WITH_CLOSE_NORMAL, /* 0x16 for ssp*/
+	TRANS_TX_ERR_WITH_CLOSE_PHYDISALE, /* 0x17 */
+	TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x18 */
+	TRANS_TX_ERR_WITH_CLOSE_COMINIT, /* 0x19 */
+	TRANS_TX_ERR_WITH_NAK_RECEVIED, /* 0x1a for ssp*/
+	TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT, /* 0x1b for ssp*/
+	/*IO_TX_ERR_WITH_R_ERR_RECEVIED, [> 0x1b for sata/stp<] */
+	TRANS_TX_ERR_WITH_CREDIT_TIMEOUT, /* 0x1c for ssp */
+	/*IO_RX_ERR_WITH_SATA_DEVICE_LOST 0x1c for sata/stp */
+	TRANS_TX_ERR_WITH_IPTT_CONFLICT, /* 0x1d for ssp/smp */
+	TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS, /* 0x1e */
+	/*IO_TX_ERR_WITH_SYNC_RXD, [> 0x1e <] for sata/stp */
+	TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT, /* 0x1f for sata/stp */
+
+	/* trans rx */
+	TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x20 */
+	TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, /* 0x21 for sata/stp */
+	TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, /* 0x22 for ssp/smp */
+	/*IO_ERR_WITH_RXFIS_8B10B_CODE_ERR, [> 0x22 <] for sata/stp */
+	TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, /* 0x23 for sata/stp */
+	TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, /* 0x24 for sata/stp */
+	TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, /* 0x25 for smp */
+	/*IO_ERR_WITH_RXFIS_TX SYNCP, [> 0x25 <] for sata/stp */
+	TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, /* 0x26 for sata/stp*/
+	TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, /* 0x27 */
+	TRANS_RX_ERR_WITH_BREAK_TIMEOUT, /* 0x28 */
+	TRANS_RX_ERR_WITH_BREAK_REQUEST, /* 0x29 */
+	TRANS_RX_ERR_WITH_BREAK_RECEVIED, /* 0x2a */
+	RESERVED1, /* 0x2b */
+	TRANS_RX_ERR_WITH_CLOSE_NORMAL, /* 0x2c */
+	TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, /* 0x2d */
+	TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x2e */
+	TRANS_RX_ERR_WITH_CLOSE_COMINIT, /* 0x2f */
+	TRANS_RX_ERR_WITH_DATA_LEN0, /* 0x30 for ssp/smp */
+	TRANS_RX_ERR_WITH_BAD_HASH, /* 0x31 for ssp */
+	/*IO_RX_ERR_WITH_FIS_TOO_SHORT, [> 0x31 <] for sata/stp */
+	TRANS_RX_XRDY_WLEN_ZERO_ERR, /* 0x32 for ssp*/
+	/*IO_RX_ERR_WITH_FIS_TOO_LONG, [> 0x32 <] for sata/stp */
+	TRANS_RX_SSP_FRM_LEN_ERR, /* 0x33 for ssp */
+	/*IO_RX_ERR_WITH_SATA_DEVICE_LOST, [> 0x33 <] for sata */
+	RESERVED2, /* 0x34 */
+	RESERVED3, /* 0x35 */
+	RESERVED4, /* 0x36 */
+	RESERVED5, /* 0x37 */
+	TRANS_RX_ERR_WITH_BAD_FRM_TYPE, /* 0x38 */
+	TRANS_RX_SMP_FRM_LEN_ERR, /* 0x39 */
+	TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x3a */
+	RESERVED6, /* 0x3b */
+	RESERVED7, /* 0x3c */
+	RESERVED8, /* 0x3d */
+	RESERVED9, /* 0x3e */
+	TRANS_RX_R_ERR, /* 0x3f */
+
+	/* dma tx */
+	DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x40 */
+	DMA_TX_DIF_APP_ERR, /* 0x41 */
+	DMA_TX_DIF_RPP_ERR, /* 0x42 */
+	DMA_TX_DATA_SGL_OVERFLOW, /* 0x43 */
+	DMA_TX_DIF_SGL_OVERFLOW, /* 0x44 */
+	DMA_TX_UNEXP_XFER_ERR, /* 0x45 */
+	DMA_TX_UNEXP_RETRANS_ERR, /* 0x46 */
+	DMA_TX_XFER_LEN_OVERFLOW, /* 0x47 */
+	DMA_TX_XFER_OFFSET_ERR, /* 0x48 */
+	DMA_TX_RAM_ECC_ERR, /* 0x49 */
+	DMA_TX_DIF_LEN_ALIGN_ERR, /* 0x4a */
+	DMA_TX_MAX_ERR_CODE,
+
+	/* sipc rx */
+	SIPC_RX_FIS_STATUS_ERR_BIT_VLD = SIPC_RX_ERR_BASE, /* 0x50 */
+	SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, /* 0x51 */
+	SIPC_RX_FIS_STATUS_BSY_BIT_ERR, /* 0x52 */
+	SIPC_RX_WRSETUP_LEN_ODD_ERR, /* 0x53 */
+	SIPC_RX_WRSETUP_LEN_ZERO_ERR, /* 0x54 */
+	SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, /* 0x55 */
+	SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, /* 0x56 */
+	SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, /* 0x57 */
+	SIPC_RX_SATA_UNEXP_FIS_ERR, /* 0x58 */
+	SIPC_RX_WRSETUP_ESTATUS_ERR, /* 0x59 */
+	SIPC_RX_DATA_UNDERFLOW_ERR, /* 0x5a */
+	SIPC_RX_MAX_ERR_CODE,
+
+	/* dma rx */
+	DMA_RX_DIF_CRC_ERR = DMA_RX_ERR_BASE, /* 0x60 */
+	DMA_RX_DIF_APP_ERR, /* 0x61 */
+	DMA_RX_DIF_RPP_ERR, /* 0x62 */
+	DMA_RX_DATA_SGL_OVERFLOW, /* 0x63 */
+	DMA_RX_DIF_SGL_OVERFLOW, /* 0x64 */
+	DMA_RX_DATA_LEN_OVERFLOW, /* 0x65 */
+	DMA_RX_DATA_LEN_UNDERFLOW, /* 0x66 */
+	DMA_RX_DATA_OFFSET_ERR, /* 0x67 */
+	RESERVED10, /* 0x68 */
+	DMA_RX_SATA_FRAME_TYPE_ERR, /* 0x69 */
+	DMA_RX_RESP_BUF_OVERFLOW, /* 0x6a */
+	DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x6b */
+	DMA_RX_UNEXP_NORM_RESP_ERR, /* 0x6c */
+	DMA_RX_UNEXP_RDFRAME_ERR, /* 0x6d */
+	DMA_RX_PIO_DATA_LEN_ERR, /* 0x6e */
+	DMA_RX_RDSETUP_STATUS_ERR, /* 0x6f */
+	DMA_RX_RDSETUP_STATUS_DRQ_ERR, /* 0x70 */
+	DMA_RX_RDSETUP_STATUS_BSY_ERR, /* 0x71 */
+	DMA_RX_RDSETUP_LEN_ODD_ERR, /* 0x72 */
+	DMA_RX_RDSETUP_LEN_ZERO_ERR, /* 0x73 */
+	DMA_RX_RDSETUP_LEN_OVER_ERR, /* 0x74 */
+	DMA_RX_RDSETUP_OFFSET_ERR, /* 0x75 */
+	DMA_RX_RDSETUP_ACTIVE_ERR, /* 0x76 */
+	DMA_RX_RDSETUP_ESTATUS_ERR, /* 0x77 */
+	DMA_RX_RAM_ECC_ERR, /* 0x78 */
+	DMA_RX_UNKNOWN_FRM_ERR, /* 0x79 */
+	DMA_RX_MAX_ERR_CODE,
+};
+
+#define HISI_SAS_COMMAND_ENTRIES_V2_HW 4096
+#define HISI_MAX_SATA_SUPPORT_V2_HW	(HISI_SAS_COMMAND_ENTRIES_V2_HW/64 - 1)
+
+#define DIR_NO_DATA 0
+#define DIR_TO_INI 1
+#define DIR_TO_DEVICE 2
+#define DIR_RESERVED 3
+
+#define ERR_ON_TX_PHASE(err_phase) (err_phase == 0x2 || \
+		err_phase == 0x4 || err_phase == 0x8 ||\
+		err_phase == 0x6 || err_phase == 0xa)
+#define ERR_ON_RX_PHASE(err_phase) (err_phase == 0x10 || \
+		err_phase == 0x20 || err_phase == 0x40)
+
+static void link_timeout_disable_link(struct timer_list *t);
+
+static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	return readl(regs);
+}
+
+static u32 hisi_sas_read32_relaxed(struct hisi_hba *hisi_hba, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	return readl_relaxed(regs);
+}
+
+static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	writel(val, regs);
+}
+
+static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
+				 u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	writel(val, regs);
+}
+
+static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
+				      int phy_no, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	return readl(regs);
+}
+
+/* This function needs to be protected from pre-emption. */
+static int
+slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba,
+			     struct domain_device *device)
+{
+	int sata_dev = dev_is_sata(device);
+	void *bitmap = hisi_hba->slot_index_tags;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	int sata_idx = sas_dev->sata_idx;
+	int start, end;
+
+	if (!sata_dev) {
+		/*
+		 * STP link SoC bug workaround: index starts from 1.
+		 * additionally, we can only allocate odd IPTT(1~4095)
+		 * for SAS/SMP device.
+		 */
+		start = 1;
+		end = hisi_hba->slot_index_count;
+	} else {
+		if (sata_idx >= HISI_MAX_SATA_SUPPORT_V2_HW)
+			return -EINVAL;
+
+		/*
+		 * For SATA device: allocate even IPTT in this interval
+		 * [64*(sata_idx+1), 64*(sata_idx+2)], then each SATA device
+		 * own 32 IPTTs. IPTT 0 shall not be used duing to STP link
+		 * SoC bug workaround. So we ignore the first 32 even IPTTs.
+		 */
+		start = 64 * (sata_idx + 1);
+		end = 64 * (sata_idx + 2);
+	}
+
+	spin_lock(&hisi_hba->lock);
+	while (1) {
+		start = find_next_zero_bit(bitmap,
+					hisi_hba->slot_index_count, start);
+		if (start >= end) {
+			spin_unlock(&hisi_hba->lock);
+			return -SAS_QUEUE_FULL;
+		}
+		/*
+		 * SAS IPTT bit0 should be 1, and SATA IPTT bit0 should be 0.
+		 */
+		if (sata_dev ^ (start & 1))
+			break;
+		start++;
+	}
+
+	set_bit(start, bitmap);
+	spin_unlock(&hisi_hba->lock);
+	return start;
+}
+
+static bool sata_index_alloc_v2_hw(struct hisi_hba *hisi_hba, int *idx)
+{
+	unsigned int index;
+	struct device *dev = hisi_hba->dev;
+	void *bitmap = hisi_hba->sata_dev_bitmap;
+
+	index = find_first_zero_bit(bitmap, HISI_MAX_SATA_SUPPORT_V2_HW);
+	if (index >= HISI_MAX_SATA_SUPPORT_V2_HW) {
+		dev_warn(dev, "alloc sata index failed, index=%d\n", index);
+		return false;
+	}
+
+	set_bit(index, bitmap);
+	*idx = index;
+	return true;
+}
+
+
+static struct
+hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device)
+{
+	struct hisi_hba *hisi_hba = device->port->ha->lldd_ha;
+	struct hisi_sas_device *sas_dev = NULL;
+	int i, sata_dev = dev_is_sata(device);
+	int sata_idx = -1;
+
+	spin_lock(&hisi_hba->lock);
+
+	if (sata_dev)
+		if (!sata_index_alloc_v2_hw(hisi_hba, &sata_idx))
+			goto out;
+
+	for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
+		/*
+		 * SATA device id bit0 should be 0
+		 */
+		if (sata_dev && (i & 1))
+			continue;
+		if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) {
+			int queue = i % hisi_hba->queue_count;
+			struct hisi_sas_dq *dq = &hisi_hba->dq[queue];
+
+			hisi_hba->devices[i].device_id = i;
+			sas_dev = &hisi_hba->devices[i];
+			sas_dev->dev_status = HISI_SAS_DEV_INIT;
+			sas_dev->dev_type = device->dev_type;
+			sas_dev->hisi_hba = hisi_hba;
+			sas_dev->sas_device = device;
+			sas_dev->sata_idx = sata_idx;
+			sas_dev->dq = dq;
+			spin_lock_init(&sas_dev->lock);
+			INIT_LIST_HEAD(&hisi_hba->devices[i].list);
+			break;
+		}
+	}
+
+out:
+	spin_unlock(&hisi_hba->lock);
+
+	return sas_dev;
+}
+
+static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg &= ~PHY_CFG_DC_OPT_MSK;
+	cfg |= 1 << PHY_CFG_DC_OPT_OFF;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct sas_identify_frame identify_frame;
+	u32 *identify_buffer;
+
+	memset(&identify_frame, 0, sizeof(identify_frame));
+	identify_frame.dev_type = SAS_END_DEVICE;
+	identify_frame.frame_type = 0;
+	identify_frame._un1 = 1;
+	identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
+	identify_frame.target_bits = SAS_PROTOCOL_NONE;
+	memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+	memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr,	SAS_ADDR_SIZE);
+	identify_frame.phy_id = phy_no;
+	identify_buffer = (u32 *)(&identify_frame);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
+			__swab32(identify_buffer[0]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
+			__swab32(identify_buffer[1]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
+			__swab32(identify_buffer[2]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
+			__swab32(identify_buffer[3]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
+			__swab32(identify_buffer[4]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
+			__swab32(identify_buffer[5]));
+}
+
+static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
+			     struct hisi_sas_device *sas_dev)
+{
+	struct domain_device *device = sas_dev->sas_device;
+	struct device *dev = hisi_hba->dev;
+	u64 qw0, device_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
+	struct domain_device *parent_dev = device->parent;
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+	u64 sas_addr;
+
+	memset(itct, 0, sizeof(*itct));
+
+	/* qw0 */
+	qw0 = 0;
+	switch (sas_dev->dev_type) {
+	case SAS_END_DEVICE:
+	case SAS_EDGE_EXPANDER_DEVICE:
+	case SAS_FANOUT_EXPANDER_DEVICE:
+		qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
+		break;
+	case SAS_SATA_DEV:
+	case SAS_SATA_PENDING:
+		if (parent_dev && dev_is_expander(parent_dev->dev_type))
+			qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
+		else
+			qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
+		break;
+	default:
+		dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
+			 sas_dev->dev_type);
+	}
+
+	qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
+		(device->linkrate << ITCT_HDR_MCR_OFF) |
+		(1 << ITCT_HDR_VLN_OFF) |
+		(ITCT_HDR_SMP_TIMEOUT << ITCT_HDR_SMP_TIMEOUT_OFF) |
+		(1 << ITCT_HDR_AWT_CONTINUE_OFF) |
+		(port->id << ITCT_HDR_PORT_ID_OFF));
+	itct->qw0 = cpu_to_le64(qw0);
+
+	/* qw1 */
+	memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
+	itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
+
+	/* qw2 */
+	if (!dev_is_sata(device))
+		itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
+					(0x1ULL << ITCT_HDR_BITLT_OFF) |
+					(0x32ULL << ITCT_HDR_MCTLT_OFF) |
+					(0x1ULL << ITCT_HDR_RTOLT_OFF));
+}
+
+static int clear_itct_v2_hw(struct hisi_hba *hisi_hba,
+			    struct hisi_sas_device *sas_dev)
+{
+	DECLARE_COMPLETION_ONSTACK(completion);
+	u64 dev_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
+	u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
+	struct device *dev = hisi_hba->dev;
+	int i;
+
+	sas_dev->completion = &completion;
+
+	/* clear the itct interrupt state */
+	if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
+		hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+				 ENT_INT_SRC3_ITC_INT_MSK);
+
+	/* need to set register twice to clear ITCT for v2 hw */
+	for (i = 0; i < 2; i++) {
+		reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
+		hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
+		if (!wait_for_completion_timeout(sas_dev->completion,
+						 HISI_SAS_CLEAR_ITCT_TIMEOUT)) {
+			dev_warn(dev, "failed to clear ITCT\n");
+			return -ETIMEDOUT;
+		}
+
+		memset(itct, 0, sizeof(struct hisi_sas_itct));
+	}
+	return 0;
+}
+
+static void free_device_v2_hw(struct hisi_sas_device *sas_dev)
+{
+	struct hisi_hba *hisi_hba = sas_dev->hisi_hba;
+
+	/* SoC bug workaround */
+	if (dev_is_sata(sas_dev->sas_device))
+		clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap);
+}
+
+static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
+{
+	int i, reset_val;
+	u32 val;
+	unsigned long end_time;
+	struct device *dev = hisi_hba->dev;
+
+	/* The mask needs to be set depending on the number of phys */
+	if (hisi_hba->n_phy == 9)
+		reset_val = 0x1fffff;
+	else
+		reset_val = 0x7ffff;
+
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
+
+	/* Disable all of the PHYs */
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		u32 phy_cfg = hisi_sas_phy_read32(hisi_hba, i, PHY_CFG);
+
+		phy_cfg &= ~PHY_CTRL_RESET_MSK;
+		hisi_sas_phy_write32(hisi_hba, i, PHY_CFG, phy_cfg);
+	}
+	udelay(50);
+
+	/* Ensure DMA tx & rx idle */
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		u32 dma_tx_status, dma_rx_status;
+
+		end_time = jiffies + msecs_to_jiffies(1000);
+
+		while (1) {
+			dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
+							    DMA_TX_STATUS);
+			dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
+							    DMA_RX_STATUS);
+
+			if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
+				!(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
+				break;
+
+			msleep(20);
+			if (time_after(jiffies, end_time))
+				return -EIO;
+		}
+	}
+
+	/* Ensure axi bus idle */
+	end_time = jiffies + msecs_to_jiffies(1000);
+	while (1) {
+		u32 axi_status =
+			hisi_sas_read32(hisi_hba, AXI_CFG);
+
+		if (axi_status == 0)
+			break;
+
+		msleep(20);
+		if (time_after(jiffies, end_time))
+			return -EIO;
+	}
+
+	if (ACPI_HANDLE(dev)) {
+		acpi_status s;
+
+		s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
+		if (ACPI_FAILURE(s)) {
+			dev_err(dev, "Reset failed\n");
+			return -EIO;
+		}
+	} else if (hisi_hba->ctrl) {
+		/* reset and disable clock*/
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
+				reset_val);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
+				reset_val);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
+		if (reset_val != (val & reset_val)) {
+			dev_err(dev, "SAS reset fail.\n");
+			return -EIO;
+		}
+
+		/* De-reset and enable clock*/
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
+				reset_val);
+		regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
+				reset_val);
+		msleep(1);
+		regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg,
+				&val);
+		if (val & reset_val) {
+			dev_err(dev, "SAS de-reset fail.\n");
+			return -EIO;
+		}
+	} else {
+		dev_err(dev, "no reset method\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* This function needs to be called after resetting SAS controller. */
+static void phys_reject_stp_links_v2_hw(struct hisi_hba *hisi_hba)
+{
+	u32 cfg;
+	int phy_no;
+
+	hisi_hba->reject_stp_links_msk = (1 << hisi_hba->n_phy) - 1;
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		cfg = hisi_sas_phy_read32(hisi_hba, phy_no, CON_CONTROL);
+		if (!(cfg & CON_CONTROL_CFG_OPEN_ACC_STP_MSK))
+			continue;
+
+		cfg &= ~CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
+		hisi_sas_phy_write32(hisi_hba, phy_no, CON_CONTROL, cfg);
+	}
+}
+
+static void phys_try_accept_stp_links_v2_hw(struct hisi_hba *hisi_hba)
+{
+	int phy_no;
+	u32 dma_tx_dfx1;
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		if (!(hisi_hba->reject_stp_links_msk & BIT(phy_no)))
+			continue;
+
+		dma_tx_dfx1 = hisi_sas_phy_read32(hisi_hba, phy_no,
+						DMA_TX_DFX1);
+		if (dma_tx_dfx1 & DMA_TX_DFX1_IPTT_MSK) {
+			u32 cfg = hisi_sas_phy_read32(hisi_hba,
+				phy_no, CON_CONTROL);
+
+			cfg |= CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+				CON_CONTROL, cfg);
+			clear_bit(phy_no, &hisi_hba->reject_stp_links_msk);
+		}
+	}
+}
+
+static const struct signal_attenuation_s x6000 = {9200, 0, 10476};
+static const struct sig_atten_lu_s sig_atten_lu[] = {
+	{ &x6000, 0x3016a68 },
+};
+
+static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	u32 sas_phy_ctrl = 0x30b9908;
+	u32 signal[3];
+	int i;
+
+	/* Global registers init */
+
+	/* Deal with am-max-transmissions quirk */
+	if (device_property_present(dev, "hip06-sas-v2-quirk-amt")) {
+		hisi_sas_write32(hisi_hba, AM_CFG_MAX_TRANS, 0x2020);
+		hisi_sas_write32(hisi_hba, AM_CFG_SINGLE_PORT_MAX_TRANS,
+				 0x2020);
+	} /* Else, use defaults -> do nothing */
+
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
+			 (u32)((1ULL << hisi_hba->queue_count) - 1));
+	hisi_sas_write32(hisi_hba, AXI_USER1, 0xc0000000);
+	hisi_sas_write32(hisi_hba, AXI_USER2, 0x10000);
+	hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x0);
+	hisi_sas_write32(hisi_hba, HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL, 0x7FF);
+	hisi_sas_write32(hisi_hba, OPENA_WT_CONTI_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x1F4);
+	hisi_sas_write32(hisi_hba, MAX_CON_TIME_LIMIT_TIME, 0x32);
+	hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x1);
+	hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x60);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x3);
+	hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0x0);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffe20fe);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30);
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0);
+
+	hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 1);
+	hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
+
+	/* Get sas_phy_ctrl value to deal with TX FFE issue. */
+	if (!device_property_read_u32_array(dev, "hisilicon,signal-attenuation",
+					    signal, ARRAY_SIZE(signal))) {
+		for (i = 0; i < ARRAY_SIZE(sig_atten_lu); i++) {
+			const struct sig_atten_lu_s *lookup = &sig_atten_lu[i];
+			const struct signal_attenuation_s *att = lookup->att;
+
+			if ((signal[0] == att->de_emphasis) &&
+			    (signal[1] == att->preshoot) &&
+			    (signal[2] == att->boost)) {
+				sas_phy_ctrl = lookup->sas_phy_ctrl;
+				break;
+			}
+		}
+
+		if (i == ARRAY_SIZE(sig_atten_lu))
+			dev_warn(dev, "unknown signal attenuation values, using default PHY ctrl config\n");
+	}
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+		u32 prog_phy_link_rate = 0x800;
+
+		if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
+				SAS_LINK_RATE_1_5_GBPS)) {
+			prog_phy_link_rate = 0x855;
+		} else {
+			enum sas_linkrate max = sas_phy->phy->maximum_linkrate;
+
+			prog_phy_link_rate =
+				hisi_sas_get_prog_phy_linkrate_mask(max) |
+				0x800;
+		}
+		hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
+			prog_phy_link_rate);
+		hisi_sas_phy_write32(hisi_hba, i, SAS_PHY_CTRL, sas_phy_ctrl);
+		hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
+		hisi_sas_phy_write32(hisi_hba, i, SL_CONTROL, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, TXID_AUTO, 0x2);
+		hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x8);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xfff87fff);
+		hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xff857fff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbfe);
+		hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x13f801fc);
+		hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x0);
+		if (hisi_hba->refclk_frequency_mhz == 66)
+			hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, 0x199B694);
+		/* else, do nothing -> leave it how you found it */
+	}
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		/* Delivery queue */
+		hisi_sas_write32(hisi_hba,
+				 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+
+		/* Completion queue */
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+	}
+
+	/* itct */
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->itct_dma));
+
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->itct_dma));
+
+	/* iost */
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->iost_dma));
+
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->iost_dma));
+
+	/* breakpoint */
+	hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
+			 lower_32_bits(hisi_hba->breakpoint_dma));
+
+	hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
+			 upper_32_bits(hisi_hba->breakpoint_dma));
+
+	/* SATA broken msg */
+	hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
+			 lower_32_bits(hisi_hba->sata_breakpoint_dma));
+
+	hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
+			 upper_32_bits(hisi_hba->sata_breakpoint_dma));
+
+	/* SATA initial fis */
+	hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
+			 lower_32_bits(hisi_hba->initial_fis_dma));
+
+	hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
+			 upper_32_bits(hisi_hba->initial_fis_dma));
+}
+
+static void link_timeout_enable_link(struct timer_list *t)
+{
+	struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
+	int i, reg_val;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		if (hisi_hba->reject_stp_links_msk & BIT(i))
+			continue;
+
+		reg_val = hisi_sas_phy_read32(hisi_hba, i, CON_CONTROL);
+		if (!(reg_val & BIT(0))) {
+			hisi_sas_phy_write32(hisi_hba, i,
+					CON_CONTROL, 0x7);
+			break;
+		}
+	}
+
+	hisi_hba->timer.function = link_timeout_disable_link;
+	mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(900));
+}
+
+static void link_timeout_disable_link(struct timer_list *t)
+{
+	struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
+	int i, reg_val;
+
+	reg_val = hisi_sas_read32(hisi_hba, PHY_STATE);
+	for (i = 0; i < hisi_hba->n_phy && reg_val; i++) {
+		if (hisi_hba->reject_stp_links_msk & BIT(i))
+			continue;
+
+		if (reg_val & BIT(i)) {
+			hisi_sas_phy_write32(hisi_hba, i,
+					CON_CONTROL, 0x6);
+			break;
+		}
+	}
+
+	hisi_hba->timer.function = link_timeout_enable_link;
+	mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(100));
+}
+
+static void set_link_timer_quirk(struct hisi_hba *hisi_hba)
+{
+	hisi_hba->timer.function = link_timeout_disable_link;
+	hisi_hba->timer.expires = jiffies + msecs_to_jiffies(1000);
+	add_timer(&hisi_hba->timer);
+}
+
+static int hw_init_v2_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	rc = reset_hw_v2_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
+		return rc;
+	}
+
+	msleep(100);
+	init_reg_v2_hw(hisi_hba);
+
+	return 0;
+}
+
+static void enable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg |= PHY_CFG_ENA_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static bool is_sata_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 context;
+
+	context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
+	if (context & (1 << phy_no))
+		return true;
+
+	return false;
+}
+
+static bool tx_fifo_is_empty_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 dfx_val;
+
+	dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
+
+	if (dfx_val & BIT(16))
+		return false;
+
+	return true;
+}
+
+static bool axi_bus_is_idle_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	int i, max_loop = 1000;
+	struct device *dev = hisi_hba->dev;
+	u32 status, axi_status, dfx_val, dfx_tx_val;
+
+	for (i = 0; i < max_loop; i++) {
+		status = hisi_sas_read32_relaxed(hisi_hba,
+			AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
+
+		axi_status = hisi_sas_read32(hisi_hba, AXI_CFG);
+		dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
+		dfx_tx_val = hisi_sas_phy_read32(hisi_hba,
+			phy_no, DMA_TX_FIFO_DFX0);
+
+		if ((status == 0x3) && (axi_status == 0x0) &&
+		    (dfx_val & BIT(20)) && (dfx_tx_val & BIT(10)))
+			return true;
+		udelay(10);
+	}
+	dev_err(dev, "bus is not idle phy%d, axi150:0x%x axi100:0x%x port204:0x%x port240:0x%x\n",
+			phy_no, status, axi_status,
+			dfx_val, dfx_tx_val);
+	return false;
+}
+
+static bool wait_io_done_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	int i, max_loop = 1000;
+	struct device *dev = hisi_hba->dev;
+	u32 status, tx_dfx0;
+
+	for (i = 0; i < max_loop; i++) {
+		status = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
+		status = (status & 0x3fc0) >> 6;
+
+		if (status != 0x1)
+			return true;
+
+		tx_dfx0 = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX0);
+		if ((tx_dfx0 & 0x1ff) == 0x2)
+			return true;
+		udelay(10);
+	}
+	dev_err(dev, "IO not done phy%d, port264:0x%x port200:0x%x\n",
+			phy_no, status, tx_dfx0);
+	return false;
+}
+
+static bool allowed_disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	if (tx_fifo_is_empty_v2_hw(hisi_hba, phy_no))
+		return true;
+
+	if (!axi_bus_is_idle_v2_hw(hisi_hba, phy_no))
+		return false;
+
+	if (!wait_io_done_v2_hw(hisi_hba, phy_no))
+		return false;
+
+	return true;
+}
+
+
+static void disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg, axi_val, dfx0_val, txid_auto;
+	struct device *dev = hisi_hba->dev;
+
+	/* Close axi bus. */
+	axi_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
+				AM_CTRL_GLOBAL);
+	axi_val |= 0x1;
+	hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+		AM_CTRL_GLOBAL, axi_val);
+
+	if (is_sata_phy_v2_hw(hisi_hba, phy_no)) {
+		if (allowed_disable_phy_v2_hw(hisi_hba, phy_no))
+			goto do_disable;
+
+		/* Reset host controller. */
+		queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		return;
+	}
+
+	dfx0_val = hisi_sas_phy_read32(hisi_hba, phy_no, PORT_DFX0);
+	dfx0_val = (dfx0_val & 0x1fc0) >> 6;
+	if (dfx0_val != 0x4)
+		goto do_disable;
+
+	if (!tx_fifo_is_empty_v2_hw(hisi_hba, phy_no)) {
+		dev_warn(dev, "phy%d, wait tx fifo need send break\n",
+			phy_no);
+		txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
+					TXID_AUTO);
+		txid_auto |= TXID_AUTO_CTB_MSK;
+		hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+					txid_auto);
+	}
+
+do_disable:
+	cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+	cfg &= ~PHY_CFG_ENA_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+
+	/* Open axi bus. */
+	axi_val &= ~0x1;
+	hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+		AM_CTRL_GLOBAL, axi_val);
+}
+
+static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	config_id_frame_v2_hw(hisi_hba, phy_no);
+	config_phy_opt_mode_v2_hw(hisi_hba, phy_no);
+	enable_phy_v2_hw(hisi_hba, phy_no);
+}
+
+static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	u32 txid_auto;
+
+	hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+	if (phy->identify.device_type == SAS_END_DEVICE) {
+		txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
+		hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+					txid_auto | TX_HARDRST_MSK);
+	}
+	msleep(100);
+	hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+}
+
+static void phy_get_events_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct sas_phy *sphy = sas_phy->phy;
+	u32 err4_reg_val, err6_reg_val;
+
+	/* loss dword syn, phy reset problem */
+	err4_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT4_REG);
+
+	/* disparity err, invalid dword */
+	err6_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT6_REG);
+
+	sphy->loss_of_dword_sync_count += (err4_reg_val >> 16) & 0xFFFF;
+	sphy->phy_reset_problem_count += err4_reg_val & 0xFFFF;
+	sphy->invalid_dword_count += (err6_reg_val & 0xFF0000) >> 16;
+	sphy->running_disparity_error_count += err6_reg_val & 0xFF;
+}
+
+static void phys_init_v2_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+		if (!sas_phy->phy->enabled)
+			continue;
+
+		hisi_sas_phy_enable(hisi_hba, i, 1);
+	}
+}
+
+static void sl_notify_ssp_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 sl_control;
+
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+	msleep(1);
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+}
+
+static enum sas_linkrate phy_get_max_linkrate_v2_hw(void)
+{
+	return SAS_LINK_RATE_12_0_GBPS;
+}
+
+static void phy_set_linkrate_v2_hw(struct hisi_hba *hisi_hba, int phy_no,
+		struct sas_phy_linkrates *r)
+{
+	enum sas_linkrate max = r->maximum_linkrate;
+	u32 prog_phy_link_rate = 0x800;
+
+	prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
+			     prog_phy_link_rate);
+}
+
+static int get_wideport_bitmap_v2_hw(struct hisi_hba *hisi_hba, int port_id)
+{
+	int i, bitmap = 0;
+	u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+	u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+
+	for (i = 0; i < (hisi_hba->n_phy < 9 ? hisi_hba->n_phy : 8); i++)
+		if (phy_state & 1 << i)
+			if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
+				bitmap |= 1 << i;
+
+	if (hisi_hba->n_phy == 9) {
+		u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
+
+		if (phy_state & 1 << 8)
+			if (((port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
+			     PORT_STATE_PHY8_PORT_NUM_OFF) == port_id)
+				bitmap |= 1 << 9;
+	}
+
+	return bitmap;
+}
+
+/* DQ lock must be taken here */
+static void start_delivery_v2_hw(struct hisi_sas_dq *dq)
+{
+	struct hisi_hba *hisi_hba = dq->hisi_hba;
+	struct hisi_sas_slot *s, *s1, *s2 = NULL;
+	int dlvry_queue = dq->id;
+	int wp;
+
+	list_for_each_entry_safe(s, s1, &dq->list, delivery) {
+		if (!s->ready)
+			break;
+		s2 = s;
+		list_del(&s->delivery);
+	}
+
+	if (!s2)
+		return;
+
+	/*
+	 * Ensure that memories for slots built on other CPUs is observed.
+	 */
+	smp_rmb();
+	wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
+
+	hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
+}
+
+static void prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba,
+			      struct hisi_sas_slot *slot,
+			      struct hisi_sas_cmd_hdr *hdr,
+			      struct scatterlist *scatter,
+			      int n_elem)
+{
+	struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
+	struct scatterlist *sg;
+	int i;
+
+	for_each_sg(scatter, sg, n_elem, i) {
+		struct hisi_sas_sge *entry = &sge_page->sge[i];
+
+		entry->addr = cpu_to_le64(sg_dma_address(sg));
+		entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
+		entry->data_len = cpu_to_le32(sg_dma_len(sg));
+		entry->data_off = 0;
+	}
+
+	hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
+
+	hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
+}
+
+static void prep_smp_v2_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_port *port = slot->port;
+	struct scatterlist *sg_req;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	dma_addr_t req_dma_addr;
+	unsigned int req_len;
+
+	/* req */
+	sg_req = &task->smp_task.smp_req;
+	req_dma_addr = sg_dma_address(sg_req);
+	req_len = sg_dma_len(&task->smp_task.smp_req);
+
+	/* create header */
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
+			       (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
+			       (2 << CMD_HDR_CMD_OFF)); /* smp */
+
+	/* map itct entry */
+	hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
+			       (1 << CMD_HDR_FRAME_TYPE_OFF) |
+			       (DIR_NO_DATA << CMD_HDR_DIR_OFF));
+
+	/* dw2 */
+	hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) |
+			       (HISI_SAS_MAX_SMP_RESP_SZ / 4 <<
+			       CMD_HDR_MRFL_OFF));
+
+	hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
+
+	hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+}
+
+static void prep_ssp_v2_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_sas_port *port = slot->port;
+	struct sas_ssp_task *ssp_task = &task->ssp_task;
+	struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
+	struct sas_tmf_task *tmf = slot->tmf;
+	int has_data = 0, priority = !!tmf;
+	u8 *buf_cmd;
+	u32 dw1 = 0, dw2 = 0;
+
+	hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
+			       (2 << CMD_HDR_TLR_CTRL_OFF) |
+			       (port->id << CMD_HDR_PORT_OFF) |
+			       (priority << CMD_HDR_PRIORITY_OFF) |
+			       (1 << CMD_HDR_CMD_OFF)); /* ssp */
+
+	dw1 = 1 << CMD_HDR_VDTL_OFF;
+	if (tmf) {
+		dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
+		dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
+	} else {
+		dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
+		switch (scsi_cmnd->sc_data_direction) {
+		case DMA_TO_DEVICE:
+			has_data = 1;
+			dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
+			break;
+		case DMA_FROM_DEVICE:
+			has_data = 1;
+			dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
+			break;
+		default:
+			dw1 &= ~CMD_HDR_DIR_MSK;
+		}
+	}
+
+	/* map itct entry */
+	dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
+	hdr->dw1 = cpu_to_le32(dw1);
+
+	dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr)
+	      + 3) / 4) << CMD_HDR_CFL_OFF) |
+	      ((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) |
+	      (2 << CMD_HDR_SG_MOD_OFF);
+	hdr->dw2 = cpu_to_le32(dw2);
+
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+
+	if (has_data)
+		prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter,
+					slot->n_elem);
+
+	hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
+	hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+
+	buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
+		sizeof(struct ssp_frame_hdr);
+
+	memcpy(buf_cmd, &task->ssp_task.LUN, 8);
+	if (!tmf) {
+		buf_cmd[9] = task->ssp_task.task_attr |
+				(task->ssp_task.task_prio << 3);
+		memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
+				task->ssp_task.cmd->cmd_len);
+	} else {
+		buf_cmd[10] = tmf->tmf;
+		switch (tmf->tmf) {
+		case TMF_ABORT_TASK:
+		case TMF_QUERY_TASK:
+			buf_cmd[12] =
+				(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
+			buf_cmd[13] =
+				tmf->tag_of_task_to_be_managed & 0xff;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+#define TRANS_TX_ERR	0
+#define TRANS_RX_ERR	1
+#define DMA_TX_ERR		2
+#define SIPC_RX_ERR		3
+#define DMA_RX_ERR		4
+
+#define DMA_TX_ERR_OFF	0
+#define DMA_TX_ERR_MSK	(0xffff << DMA_TX_ERR_OFF)
+#define SIPC_RX_ERR_OFF	16
+#define SIPC_RX_ERR_MSK (0xffff << SIPC_RX_ERR_OFF)
+
+static int parse_trans_tx_err_code_v2_hw(u32 err_msk)
+{
+	static const u8 trans_tx_err_code_prio[] = {
+		TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS,
+		TRANS_TX_ERR_PHY_NOT_ENABLE,
+		TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION,
+		TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION,
+		TRANS_TX_OPEN_CNX_ERR_BY_OTHER,
+		RESERVED0,
+		TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT,
+		TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY,
+		TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED,
+		TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED,
+		TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION,
+		TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD,
+		TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER,
+		TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED,
+		TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT,
+		TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION,
+		TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED,
+		TRANS_TX_ERR_WITH_CLOSE_PHYDISALE,
+		TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT,
+		TRANS_TX_ERR_WITH_CLOSE_COMINIT,
+		TRANS_TX_ERR_WITH_BREAK_TIMEOUT,
+		TRANS_TX_ERR_WITH_BREAK_REQUEST,
+		TRANS_TX_ERR_WITH_BREAK_RECEVIED,
+		TRANS_TX_ERR_WITH_CLOSE_TIMEOUT,
+		TRANS_TX_ERR_WITH_CLOSE_NORMAL,
+		TRANS_TX_ERR_WITH_NAK_RECEVIED,
+		TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT,
+		TRANS_TX_ERR_WITH_CREDIT_TIMEOUT,
+		TRANS_TX_ERR_WITH_IPTT_CONFLICT,
+		TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS,
+		TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT,
+	};
+	int index, i;
+
+	for (i = 0; i < ARRAY_SIZE(trans_tx_err_code_prio); i++) {
+		index = trans_tx_err_code_prio[i] - TRANS_TX_FAIL_BASE;
+		if (err_msk & (1 << index))
+			return trans_tx_err_code_prio[i];
+	}
+	return -1;
+}
+
+static int parse_trans_rx_err_code_v2_hw(u32 err_msk)
+{
+	static const u8 trans_rx_err_code_prio[] = {
+		TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR,
+		TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR,
+		TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM,
+		TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR,
+		TRANS_RX_ERR_WITH_RXFIS_CRC_ERR,
+		TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN,
+		TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP,
+		TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN,
+		TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE,
+		TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT,
+		TRANS_RX_ERR_WITH_CLOSE_COMINIT,
+		TRANS_RX_ERR_WITH_BREAK_TIMEOUT,
+		TRANS_RX_ERR_WITH_BREAK_REQUEST,
+		TRANS_RX_ERR_WITH_BREAK_RECEVIED,
+		RESERVED1,
+		TRANS_RX_ERR_WITH_CLOSE_NORMAL,
+		TRANS_RX_ERR_WITH_DATA_LEN0,
+		TRANS_RX_ERR_WITH_BAD_HASH,
+		TRANS_RX_XRDY_WLEN_ZERO_ERR,
+		TRANS_RX_SSP_FRM_LEN_ERR,
+		RESERVED2,
+		RESERVED3,
+		RESERVED4,
+		RESERVED5,
+		TRANS_RX_ERR_WITH_BAD_FRM_TYPE,
+		TRANS_RX_SMP_FRM_LEN_ERR,
+		TRANS_RX_SMP_RESP_TIMEOUT_ERR,
+		RESERVED6,
+		RESERVED7,
+		RESERVED8,
+		RESERVED9,
+		TRANS_RX_R_ERR,
+	};
+	int index, i;
+
+	for (i = 0; i < ARRAY_SIZE(trans_rx_err_code_prio); i++) {
+		index = trans_rx_err_code_prio[i] - TRANS_RX_FAIL_BASE;
+		if (err_msk & (1 << index))
+			return trans_rx_err_code_prio[i];
+	}
+	return -1;
+}
+
+static int parse_dma_tx_err_code_v2_hw(u32 err_msk)
+{
+	static const u8 dma_tx_err_code_prio[] = {
+		DMA_TX_UNEXP_XFER_ERR,
+		DMA_TX_UNEXP_RETRANS_ERR,
+		DMA_TX_XFER_LEN_OVERFLOW,
+		DMA_TX_XFER_OFFSET_ERR,
+		DMA_TX_RAM_ECC_ERR,
+		DMA_TX_DIF_LEN_ALIGN_ERR,
+		DMA_TX_DIF_CRC_ERR,
+		DMA_TX_DIF_APP_ERR,
+		DMA_TX_DIF_RPP_ERR,
+		DMA_TX_DATA_SGL_OVERFLOW,
+		DMA_TX_DIF_SGL_OVERFLOW,
+	};
+	int index, i;
+
+	for (i = 0; i < ARRAY_SIZE(dma_tx_err_code_prio); i++) {
+		index = dma_tx_err_code_prio[i] - DMA_TX_ERR_BASE;
+		err_msk = err_msk & DMA_TX_ERR_MSK;
+		if (err_msk & (1 << index))
+			return dma_tx_err_code_prio[i];
+	}
+	return -1;
+}
+
+static int parse_sipc_rx_err_code_v2_hw(u32 err_msk)
+{
+	static const u8 sipc_rx_err_code_prio[] = {
+		SIPC_RX_FIS_STATUS_ERR_BIT_VLD,
+		SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR,
+		SIPC_RX_FIS_STATUS_BSY_BIT_ERR,
+		SIPC_RX_WRSETUP_LEN_ODD_ERR,
+		SIPC_RX_WRSETUP_LEN_ZERO_ERR,
+		SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR,
+		SIPC_RX_NCQ_WRSETUP_OFFSET_ERR,
+		SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR,
+		SIPC_RX_SATA_UNEXP_FIS_ERR,
+		SIPC_RX_WRSETUP_ESTATUS_ERR,
+		SIPC_RX_DATA_UNDERFLOW_ERR,
+	};
+	int index, i;
+
+	for (i = 0; i < ARRAY_SIZE(sipc_rx_err_code_prio); i++) {
+		index = sipc_rx_err_code_prio[i] - SIPC_RX_ERR_BASE;
+		err_msk = err_msk & SIPC_RX_ERR_MSK;
+		if (err_msk & (1 << (index + 0x10)))
+			return sipc_rx_err_code_prio[i];
+	}
+	return -1;
+}
+
+static int parse_dma_rx_err_code_v2_hw(u32 err_msk)
+{
+	static const u8 dma_rx_err_code_prio[] = {
+		DMA_RX_UNKNOWN_FRM_ERR,
+		DMA_RX_DATA_LEN_OVERFLOW,
+		DMA_RX_DATA_LEN_UNDERFLOW,
+		DMA_RX_DATA_OFFSET_ERR,
+		RESERVED10,
+		DMA_RX_SATA_FRAME_TYPE_ERR,
+		DMA_RX_RESP_BUF_OVERFLOW,
+		DMA_RX_UNEXP_RETRANS_RESP_ERR,
+		DMA_RX_UNEXP_NORM_RESP_ERR,
+		DMA_RX_UNEXP_RDFRAME_ERR,
+		DMA_RX_PIO_DATA_LEN_ERR,
+		DMA_RX_RDSETUP_STATUS_ERR,
+		DMA_RX_RDSETUP_STATUS_DRQ_ERR,
+		DMA_RX_RDSETUP_STATUS_BSY_ERR,
+		DMA_RX_RDSETUP_LEN_ODD_ERR,
+		DMA_RX_RDSETUP_LEN_ZERO_ERR,
+		DMA_RX_RDSETUP_LEN_OVER_ERR,
+		DMA_RX_RDSETUP_OFFSET_ERR,
+		DMA_RX_RDSETUP_ACTIVE_ERR,
+		DMA_RX_RDSETUP_ESTATUS_ERR,
+		DMA_RX_RAM_ECC_ERR,
+		DMA_RX_DIF_CRC_ERR,
+		DMA_RX_DIF_APP_ERR,
+		DMA_RX_DIF_RPP_ERR,
+		DMA_RX_DATA_SGL_OVERFLOW,
+		DMA_RX_DIF_SGL_OVERFLOW,
+	};
+	int index, i;
+
+	for (i = 0; i < ARRAY_SIZE(dma_rx_err_code_prio); i++) {
+		index = dma_rx_err_code_prio[i] - DMA_RX_ERR_BASE;
+		if (err_msk & (1 << index))
+			return dma_rx_err_code_prio[i];
+	}
+	return -1;
+}
+
+/* by default, task resp is complete */
+static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
+			   struct sas_task *task,
+			   struct hisi_sas_slot *slot,
+			   int err_phase)
+{
+	struct task_status_struct *ts = &task->task_status;
+	struct hisi_sas_err_record_v2 *err_record =
+			hisi_sas_status_buf_addr_mem(slot);
+	u32 trans_tx_fail_type = le32_to_cpu(err_record->trans_tx_fail_type);
+	u32 trans_rx_fail_type = le32_to_cpu(err_record->trans_rx_fail_type);
+	u16 dma_tx_err_type = le16_to_cpu(err_record->dma_tx_err_type);
+	u16 sipc_rx_err_type = le16_to_cpu(err_record->sipc_rx_err_type);
+	u32 dma_rx_err_type = le32_to_cpu(err_record->dma_rx_err_type);
+	struct hisi_sas_complete_v2_hdr *complete_queue =
+			hisi_hba->complete_hdr[slot->cmplt_queue];
+	struct hisi_sas_complete_v2_hdr *complete_hdr =
+			&complete_queue[slot->cmplt_queue_slot];
+	u32 dw0 = le32_to_cpu(complete_hdr->dw0);
+	int error = -1;
+
+	if (err_phase == 1) {
+		/* error in TX phase, the priority of error is: DW2 > DW0 */
+		error = parse_dma_tx_err_code_v2_hw(dma_tx_err_type);
+		if (error == -1)
+			error = parse_trans_tx_err_code_v2_hw(
+					trans_tx_fail_type);
+	} else if (err_phase == 2) {
+		/* error in RX phase, the priority is: DW1 > DW3 > DW2 */
+		error = parse_trans_rx_err_code_v2_hw(trans_rx_fail_type);
+		if (error == -1) {
+			error = parse_dma_rx_err_code_v2_hw(
+					dma_rx_err_type);
+			if (error == -1)
+				error = parse_sipc_rx_err_code_v2_hw(
+						sipc_rx_err_type);
+		}
+	}
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+	{
+		switch (error) {
+		case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_NO_DEST;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_EPROTO;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+			break;
+		}
+		case DMA_RX_UNEXP_NORM_RESP_ERR:
+		case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
+		case DMA_RX_RESP_BUF_OVERFLOW:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
+		{
+			/* not sure */
+			ts->stat = SAS_DEV_NO_RESPONSE;
+			break;
+		}
+		case DMA_RX_DATA_LEN_OVERFLOW:
+		{
+			ts->stat = SAS_DATA_OVERRUN;
+			ts->residual = 0;
+			break;
+		}
+		case DMA_RX_DATA_LEN_UNDERFLOW:
+		{
+			ts->residual = trans_tx_fail_type;
+			ts->stat = SAS_DATA_UNDERRUN;
+			break;
+		}
+		case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
+		case TRANS_TX_ERR_PHY_NOT_ENABLE:
+		case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
+		case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
+		case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
+		case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
+		case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
+		case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
+		case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
+		case TRANS_TX_ERR_WITH_BREAK_REQUEST:
+		case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
+		case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
+		case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
+		case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
+		case TRANS_TX_ERR_WITH_NAK_RECEVIED:
+		case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
+		case TRANS_TX_ERR_WITH_IPTT_CONFLICT:
+		case TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR:
+		case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
+		case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
+		case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
+		case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
+		case TRANS_RX_ERR_WITH_BREAK_REQUEST:
+		case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
+		case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
+		case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
+		case TRANS_RX_ERR_WITH_CLOSE_COMINIT:
+		case TRANS_TX_ERR_FRAME_TXED:
+		case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
+		case TRANS_RX_ERR_WITH_DATA_LEN0:
+		case TRANS_RX_ERR_WITH_BAD_HASH:
+		case TRANS_RX_XRDY_WLEN_ZERO_ERR:
+		case TRANS_RX_SSP_FRM_LEN_ERR:
+		case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
+		case DMA_TX_DATA_SGL_OVERFLOW:
+		case DMA_TX_UNEXP_XFER_ERR:
+		case DMA_TX_UNEXP_RETRANS_ERR:
+		case DMA_TX_XFER_LEN_OVERFLOW:
+		case DMA_TX_XFER_OFFSET_ERR:
+		case SIPC_RX_DATA_UNDERFLOW_ERR:
+		case DMA_RX_DATA_SGL_OVERFLOW:
+		case DMA_RX_DATA_OFFSET_ERR:
+		case DMA_RX_RDSETUP_LEN_ODD_ERR:
+		case DMA_RX_RDSETUP_LEN_ZERO_ERR:
+		case DMA_RX_RDSETUP_LEN_OVER_ERR:
+		case DMA_RX_SATA_FRAME_TYPE_ERR:
+		case DMA_RX_UNKNOWN_FRM_ERR:
+		{
+			/* This will request a retry */
+			ts->stat = SAS_QUEUE_FULL;
+			slot->abort = 1;
+			break;
+		}
+		default:
+			break;
+		}
+	}
+		break;
+	case SAS_PROTOCOL_SMP:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+	{
+		switch (error) {
+		case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_NO_DEST;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
+		{
+			ts->resp = SAS_TASK_UNDELIVERED;
+			ts->stat = SAS_DEV_NO_RESPONSE;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_EPROTO;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+			break;
+		}
+		case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+			break;
+		}
+		case DMA_RX_RESP_BUF_OVERFLOW:
+		case DMA_RX_UNEXP_NORM_RESP_ERR:
+		case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
+		{
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+			break;
+		}
+		case DMA_RX_DATA_LEN_OVERFLOW:
+		{
+			ts->stat = SAS_DATA_OVERRUN;
+			ts->residual = 0;
+			break;
+		}
+		case DMA_RX_DATA_LEN_UNDERFLOW:
+		{
+			ts->residual = trans_tx_fail_type;
+			ts->stat = SAS_DATA_UNDERRUN;
+			break;
+		}
+		case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
+		case TRANS_TX_ERR_PHY_NOT_ENABLE:
+		case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
+		case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
+		case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
+		case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
+		case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
+		case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
+		case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
+		case TRANS_TX_ERR_WITH_BREAK_REQUEST:
+		case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
+		case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
+		case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
+		case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
+		case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
+		case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
+		case TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS:
+		case TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT:
+		case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
+		case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
+		case TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR:
+		case TRANS_RX_ERR_WITH_RXFIS_CRC_ERR:
+		case TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN:
+		case TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP:
+		case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
+		case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
+		case TRANS_RX_ERR_WITH_BREAK_REQUEST:
+		case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
+		case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
+		case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
+		case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
+		case TRANS_RX_ERR_WITH_CLOSE_COMINIT:
+		case TRANS_RX_ERR_WITH_DATA_LEN0:
+		case TRANS_RX_ERR_WITH_BAD_HASH:
+		case TRANS_RX_XRDY_WLEN_ZERO_ERR:
+		case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
+		case DMA_TX_DATA_SGL_OVERFLOW:
+		case DMA_TX_UNEXP_XFER_ERR:
+		case DMA_TX_UNEXP_RETRANS_ERR:
+		case DMA_TX_XFER_LEN_OVERFLOW:
+		case DMA_TX_XFER_OFFSET_ERR:
+		case SIPC_RX_FIS_STATUS_ERR_BIT_VLD:
+		case SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR:
+		case SIPC_RX_FIS_STATUS_BSY_BIT_ERR:
+		case SIPC_RX_WRSETUP_LEN_ODD_ERR:
+		case SIPC_RX_WRSETUP_LEN_ZERO_ERR:
+		case SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR:
+		case SIPC_RX_SATA_UNEXP_FIS_ERR:
+		case DMA_RX_DATA_SGL_OVERFLOW:
+		case DMA_RX_DATA_OFFSET_ERR:
+		case DMA_RX_SATA_FRAME_TYPE_ERR:
+		case DMA_RX_UNEXP_RDFRAME_ERR:
+		case DMA_RX_PIO_DATA_LEN_ERR:
+		case DMA_RX_RDSETUP_STATUS_ERR:
+		case DMA_RX_RDSETUP_STATUS_DRQ_ERR:
+		case DMA_RX_RDSETUP_STATUS_BSY_ERR:
+		case DMA_RX_RDSETUP_LEN_ODD_ERR:
+		case DMA_RX_RDSETUP_LEN_ZERO_ERR:
+		case DMA_RX_RDSETUP_LEN_OVER_ERR:
+		case DMA_RX_RDSETUP_OFFSET_ERR:
+		case DMA_RX_RDSETUP_ACTIVE_ERR:
+		case DMA_RX_RDSETUP_ESTATUS_ERR:
+		case DMA_RX_UNKNOWN_FRM_ERR:
+		case TRANS_RX_SSP_FRM_LEN_ERR:
+		case TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY:
+		{
+			slot->abort = 1;
+			ts->stat = SAS_PHY_DOWN;
+			break;
+		}
+		default:
+		{
+			ts->stat = SAS_PROTO_RESPONSE;
+			break;
+		}
+		}
+		if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
+			hisi_sas_sata_done(task, slot);
+	}
+		break;
+	default:
+		break;
+	}
+}
+
+static void slot_complete_v2_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_device *sas_dev;
+	struct device *dev = hisi_hba->dev;
+	struct task_status_struct *ts;
+	struct domain_device *device;
+	struct sas_ha_struct *ha;
+	struct hisi_sas_complete_v2_hdr *complete_queue =
+			hisi_hba->complete_hdr[slot->cmplt_queue];
+	struct hisi_sas_complete_v2_hdr *complete_hdr =
+			&complete_queue[slot->cmplt_queue_slot];
+	unsigned long flags;
+	bool is_internal = slot->is_internal;
+	u32 dw0;
+
+	if (unlikely(!task || !task->lldd_task || !task->dev))
+		return;
+
+	ts = &task->task_status;
+	device = task->dev;
+	ha = device->port->ha;
+	sas_dev = device->lldd_dev;
+
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+	memset(ts, 0, sizeof(*ts));
+	ts->resp = SAS_TASK_COMPLETE;
+
+	if (unlikely(!sas_dev)) {
+		dev_dbg(dev, "slot complete: port has no device\n");
+		ts->stat = SAS_PHY_DOWN;
+		goto out;
+	}
+
+	/* Use SAS+TMF status codes */
+	dw0 = le32_to_cpu(complete_hdr->dw0);
+	switch ((dw0 & CMPLT_HDR_ABORT_STAT_MSK) >>
+		CMPLT_HDR_ABORT_STAT_OFF) {
+	case STAT_IO_ABORTED:
+		/* this io has been aborted by abort command */
+		ts->stat = SAS_ABORTED_TASK;
+		goto out;
+	case STAT_IO_COMPLETE:
+		/* internal abort command complete */
+		ts->stat = TMF_RESP_FUNC_SUCC;
+		del_timer_sync(&slot->internal_abort_timer);
+		goto out;
+	case STAT_IO_NO_DEVICE:
+		ts->stat = TMF_RESP_FUNC_COMPLETE;
+		del_timer_sync(&slot->internal_abort_timer);
+		goto out;
+	case STAT_IO_NOT_VALID:
+		/* abort single io, controller don't find
+		 * the io need to abort
+		 */
+		ts->stat = TMF_RESP_FUNC_FAILED;
+		del_timer_sync(&slot->internal_abort_timer);
+		goto out;
+	default:
+		break;
+	}
+
+	if ((dw0 & CMPLT_HDR_ERX_MSK) && (!(dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))) {
+		u32 err_phase = (dw0 & CMPLT_HDR_ERR_PHASE_MSK)
+				>> CMPLT_HDR_ERR_PHASE_OFF;
+		u32 *error_info = hisi_sas_status_buf_addr_mem(slot);
+
+		/* Analyse error happens on which phase TX or RX */
+		if (ERR_ON_TX_PHASE(err_phase))
+			slot_err_v2_hw(hisi_hba, task, slot, 1);
+		else if (ERR_ON_RX_PHASE(err_phase))
+			slot_err_v2_hw(hisi_hba, task, slot, 2);
+
+		if (ts->stat != SAS_DATA_UNDERRUN)
+			dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n",
+				 slot->idx, task, sas_dev->device_id,
+				 complete_hdr->dw0, complete_hdr->dw1,
+				 complete_hdr->act, complete_hdr->dw3,
+				 error_info[0], error_info[1],
+				 error_info[2], error_info[3]);
+
+		if (unlikely(slot->abort)) {
+			if (dev_is_sata(device) && task->ata_task.use_ncq)
+				sas_ata_device_link_abort(device, true);
+			else
+				sas_task_abort(task);
+
+			return;
+		}
+		goto out;
+	}
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+	{
+		struct hisi_sas_status_buffer *status_buffer =
+				hisi_sas_status_buf_addr_mem(slot);
+		struct ssp_response_iu *iu = (struct ssp_response_iu *)
+				&status_buffer->iu[0];
+
+		sas_ssp_task_response(dev, task, iu);
+		break;
+	}
+	case SAS_PROTOCOL_SMP:
+	{
+		struct scatterlist *sg_resp = &task->smp_task.smp_resp;
+		void *to = page_address(sg_page(sg_resp));
+
+		ts->stat = SAS_SAM_STAT_GOOD;
+
+		memcpy(to + sg_resp->offset,
+		       hisi_sas_status_buf_addr_mem(slot) +
+		       sizeof(struct hisi_sas_err_record),
+		       sg_resp->length);
+		break;
+	}
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+	{
+		ts->stat = SAS_SAM_STAT_GOOD;
+		if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
+			hisi_sas_sata_done(task, slot);
+		break;
+	}
+	default:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+	}
+
+	if (!slot->port->port_attached) {
+		dev_warn(dev, "slot complete: port %d has removed\n",
+			slot->port->sas_port.id);
+		ts->stat = SAS_PHY_DOWN;
+	}
+
+out:
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+		dev_info(dev, "slot complete: task(%pK) aborted\n", task);
+		return;
+	}
+	task->task_state_flags |= SAS_TASK_STATE_DONE;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+	hisi_sas_slot_task_free(hisi_hba, task, slot);
+
+	if (!is_internal && (task->task_proto != SAS_PROTOCOL_SMP)) {
+		spin_lock_irqsave(&device->done_lock, flags);
+		if (test_bit(SAS_HA_FROZEN, &ha->state)) {
+			spin_unlock_irqrestore(&device->done_lock, flags);
+			dev_info(dev, "slot complete: task(%pK) ignored\n",
+				 task);
+			return;
+		}
+		spin_unlock_irqrestore(&device->done_lock, flags);
+	}
+
+	if (task->task_done)
+		task->task_done(task);
+}
+
+static void prep_ata_v2_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct domain_device *device = task->dev;
+	struct domain_device *parent_dev = device->parent;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+	struct sas_ata_task *ata_task = &task->ata_task;
+	struct sas_tmf_task *tmf = slot->tmf;
+	u8 *buf_cmd;
+	int has_data = 0, hdr_tag = 0;
+	u32 dw0, dw1 = 0, dw2 = 0;
+
+	/* create header */
+	/* dw0 */
+	dw0 = port->id << CMD_HDR_PORT_OFF;
+	if (parent_dev && dev_is_expander(parent_dev->dev_type))
+		dw0 |= 3 << CMD_HDR_CMD_OFF;
+	else
+		dw0 |= 4 << CMD_HDR_CMD_OFF;
+
+	if (tmf && ata_task->force_phy) {
+		dw0 |= CMD_HDR_FORCE_PHY_MSK;
+		dw0 |= (1 << ata_task->force_phy_id) << CMD_HDR_PHY_ID_OFF;
+	}
+
+	hdr->dw0 = cpu_to_le32(dw0);
+
+	/* dw1 */
+	switch (task->data_dir) {
+	case DMA_TO_DEVICE:
+		has_data = 1;
+		dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
+		break;
+	case DMA_FROM_DEVICE:
+		has_data = 1;
+		dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
+		break;
+	default:
+		dw1 &= ~CMD_HDR_DIR_MSK;
+	}
+
+	if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
+			(task->ata_task.fis.control & ATA_SRST))
+		dw1 |= 1 << CMD_HDR_RESET_OFF;
+
+	dw1 |= (hisi_sas_get_ata_protocol(
+		&task->ata_task.fis, task->data_dir))
+		<< CMD_HDR_FRAME_TYPE_OFF;
+	dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
+	hdr->dw1 = cpu_to_le32(dw1);
+
+	/* dw2 */
+	if (task->ata_task.use_ncq) {
+		struct ata_queued_cmd *qc = task->uldd_task;
+
+		hdr_tag = qc->tag;
+		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
+		dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
+	}
+
+	dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF |
+			2 << CMD_HDR_SG_MOD_OFF;
+	hdr->dw2 = cpu_to_le32(dw2);
+
+	/* dw3 */
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+
+	if (has_data)
+		prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter,
+					slot->n_elem);
+
+	hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
+	hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+
+	buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
+
+	if (likely(!task->ata_task.device_control_reg_update))
+		task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
+	/* fill in command FIS */
+	memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
+}
+
+static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t)
+{
+	struct hisi_sas_slot *slot = from_timer(slot, t, internal_abort_timer);
+	struct hisi_sas_port *port = slot->port;
+	struct asd_sas_port *asd_sas_port;
+	struct asd_sas_phy *sas_phy;
+
+	if (!port)
+		return;
+
+	asd_sas_port = &port->sas_port;
+
+	/* Kick the hardware - send break command */
+	list_for_each_entry(sas_phy, &asd_sas_port->phy_list, port_phy_el) {
+		struct hisi_sas_phy *phy = sas_phy->lldd_phy;
+		struct hisi_hba *hisi_hba = phy->hisi_hba;
+		int phy_no = sas_phy->id;
+		u32 link_dfx2;
+
+		link_dfx2 = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
+		if ((link_dfx2 == LINK_DFX2_RCVR_HOLD_STS_MSK) ||
+		    (link_dfx2 & LINK_DFX2_SEND_HOLD_STS_MSK)) {
+			u32 txid_auto;
+
+			txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
+							TXID_AUTO);
+			txid_auto |= TXID_AUTO_CTB_MSK;
+			hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+					     txid_auto);
+			return;
+		}
+	}
+}
+
+static void prep_abort_v2_hw(struct hisi_hba *hisi_hba,
+			     struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct sas_internal_abort_task *abort = &task->abort_task;
+	struct domain_device *dev = task->dev;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct hisi_sas_port *port = slot->port;
+	struct timer_list *timer = &slot->internal_abort_timer;
+	struct hisi_sas_device *sas_dev = dev->lldd_dev;
+
+	/* setup the quirk timer */
+	timer_setup(timer, hisi_sas_internal_abort_quirk_timeout, 0);
+	/* Set the timeout to 10ms less than internal abort timeout */
+	mod_timer(timer, jiffies + msecs_to_jiffies(100));
+
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
+			       (port->id << CMD_HDR_PORT_OFF) |
+			       (dev_is_sata(dev) <<
+				CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
+			       (abort->type << CMD_HDR_ABORT_FLAG_OFF));
+
+	/* dw1 */
+	hdr->dw1 = cpu_to_le32(sas_dev->device_id << CMD_HDR_DEV_ID_OFF);
+
+	/* dw7 */
+	hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF);
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+}
+
+static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	int i, res = IRQ_HANDLED;
+	u32 port_id, link_rate;
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct device *dev = hisi_hba->dev;
+	u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
+	struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
+
+	if (is_sata_phy_v2_hw(hisi_hba, phy_no))
+		goto end;
+
+	del_timer(&phy->timer);
+
+	if (phy_no == 8) {
+		u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
+
+		port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
+			  PORT_STATE_PHY8_PORT_NUM_OFF;
+		link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >>
+			    PORT_STATE_PHY8_CONN_RATE_OFF;
+	} else {
+		port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+		port_id = (port_id >> (4 * phy_no)) & 0xf;
+		link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
+		link_rate = (link_rate >> (phy_no * 4)) & 0xf;
+	}
+
+	if (port_id == 0xf) {
+		dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	for (i = 0; i < 6; i++) {
+		u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
+					       RX_IDAF_DWORD0 + (i * 4));
+		frame_rcvd[i] = __swab32(idaf);
+	}
+
+	sas_phy->linkrate = link_rate;
+	sas_phy->oob_mode = SAS_OOB_MODE;
+	memcpy(sas_phy->attached_sas_addr, &id->sas_addr, SAS_ADDR_SIZE);
+	dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate);
+	phy->port_id = port_id;
+	phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+	phy->phy_type |= PORT_TYPE_SAS;
+	phy->phy_attached = 1;
+	phy->identify.device_type = id->dev_type;
+	phy->frame_rcvd_size =	sizeof(struct sas_identify_frame);
+	if (phy->identify.device_type == SAS_END_DEVICE)
+		phy->identify.target_port_protocols =
+			SAS_PROTOCOL_SSP;
+	else if (phy->identify.device_type != SAS_PHY_UNUSED) {
+		phy->identify.target_port_protocols =
+			SAS_PROTOCOL_SMP;
+		if (!timer_pending(&hisi_hba->timer))
+			set_link_timer_quirk(hisi_hba);
+	}
+	hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
+end:
+	if (phy->reset_completion)
+		complete(phy->reset_completion);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
+			     CHL_INT0_SL_PHY_ENABLE_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
+
+	return res;
+}
+
+static bool check_any_wideports_v2_hw(struct hisi_hba *hisi_hba)
+{
+	u32 port_state;
+
+	port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
+	if (port_state & 0x1ff)
+		return true;
+
+	return false;
+}
+
+static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	u32 phy_state, sl_ctrl, txid_auto;
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct hisi_sas_port *port = phy->port;
+	struct device *dev = hisi_hba->dev;
+
+	del_timer(&phy->timer);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
+
+	phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+	dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state);
+	hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0,
+			  GFP_ATOMIC);
+
+	sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
+			     sl_ctrl & ~SL_CONTROL_CTA_MSK);
+	if (port && !get_wideport_bitmap_v2_hw(hisi_hba, port->id))
+		if (!check_any_wideports_v2_hw(hisi_hba) &&
+				timer_pending(&hisi_hba->timer))
+			del_timer(&hisi_hba->timer);
+
+	txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
+	hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+			     txid_auto | TXID_AUTO_CT3_MSK);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	u32 irq_msk;
+	int phy_no = 0;
+	irqreturn_t res = IRQ_NONE;
+
+	irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO)
+		   >> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff;
+	while (irq_msk) {
+		if (irq_msk  & 1) {
+			u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
+					    CHL_INT0);
+
+			switch (reg_value & (CHL_INT0_NOT_RDY_MSK |
+					CHL_INT0_SL_PHY_ENABLE_MSK)) {
+
+			case CHL_INT0_SL_PHY_ENABLE_MSK:
+				/* phy up */
+				if (phy_up_v2_hw(phy_no, hisi_hba) ==
+				    IRQ_HANDLED)
+					res = IRQ_HANDLED;
+				break;
+
+			case CHL_INT0_NOT_RDY_MSK:
+				/* phy down */
+				if (phy_down_v2_hw(phy_no, hisi_hba) ==
+				    IRQ_HANDLED)
+					res = IRQ_HANDLED;
+				break;
+
+			case (CHL_INT0_NOT_RDY_MSK |
+					CHL_INT0_SL_PHY_ENABLE_MSK):
+				reg_value = hisi_sas_read32(hisi_hba,
+						PHY_STATE);
+				if (reg_value & BIT(phy_no)) {
+					/* phy up */
+					if (phy_up_v2_hw(phy_no, hisi_hba) ==
+					    IRQ_HANDLED)
+						res = IRQ_HANDLED;
+				} else {
+					/* phy down */
+					if (phy_down_v2_hw(phy_no, hisi_hba) ==
+					    IRQ_HANDLED)
+						res = IRQ_HANDLED;
+				}
+				break;
+
+			default:
+				break;
+			}
+
+		}
+		irq_msk >>= 1;
+		phy_no++;
+	}
+
+	return res;
+}
+
+static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	u32 bcast_status;
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
+	bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
+	if (bcast_status & RX_BCAST_CHG_MSK)
+		hisi_sas_phy_bcast(phy);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
+			     CHL_INT0_SL_RX_BCST_ACK_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
+}
+
+static const struct hisi_sas_hw_error port_ecc_axi_error[] = {
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_ERR_OFF),
+		.msg = "dmac_tx_ecc_bad_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_ERR_OFF),
+		.msg = "dmac_rx_ecc_bad_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
+		.msg = "dma_tx_axi_wr_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
+		.msg = "dma_tx_axi_rd_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
+		.msg = "dma_rx_axi_wr_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
+		.msg = "dma_rx_axi_rd_err",
+	},
+};
+
+static irqreturn_t int_chnl_int_v2_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	struct device *dev = hisi_hba->dev;
+	u32 ent_msk, ent_tmp, irq_msk;
+	int phy_no = 0;
+
+	ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
+	ent_tmp = ent_msk;
+	ent_msk |= ENT_INT_SRC_MSK3_ENT95_MSK_MSK;
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_msk);
+
+	irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO) >>
+			HGC_INVLD_DQE_INFO_FB_CH3_OFF) & 0x1ff;
+
+	while (irq_msk) {
+		u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no,
+						     CHL_INT0);
+		u32 irq_value1 = hisi_sas_phy_read32(hisi_hba, phy_no,
+						     CHL_INT1);
+		u32 irq_value2 = hisi_sas_phy_read32(hisi_hba, phy_no,
+						     CHL_INT2);
+
+		if ((irq_msk & (1 << phy_no)) && irq_value1) {
+			int i;
+
+			for (i = 0; i < ARRAY_SIZE(port_ecc_axi_error); i++) {
+				const struct hisi_sas_hw_error *error =
+						&port_ecc_axi_error[i];
+
+				if (!(irq_value1 & error->irq_msk))
+					continue;
+
+				dev_warn(dev, "%s error (phy%d 0x%x) found!\n",
+					error->msg, phy_no, irq_value1);
+				queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+			}
+
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					     CHL_INT1, irq_value1);
+		}
+
+		if ((irq_msk & (1 << phy_no)) && irq_value2) {
+			struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+
+			if (irq_value2 & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
+				dev_warn(dev, "phy%d identify timeout\n",
+					 phy_no);
+				hisi_sas_notify_phy_event(phy,
+						HISI_PHYE_LINK_RESET);
+			}
+
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+						 CHL_INT2, irq_value2);
+		}
+
+		if ((irq_msk & (1 << phy_no)) && irq_value0) {
+			if (irq_value0 & CHL_INT0_SL_RX_BCST_ACK_MSK)
+				phy_bcast_v2_hw(phy_no, hisi_hba);
+
+			if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
+				hisi_sas_phy_oob_ready(hisi_hba, phy_no);
+
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					CHL_INT0, irq_value0
+					& (~CHL_INT0_HOTPLUG_TOUT_MSK)
+					& (~CHL_INT0_SL_PHY_ENABLE_MSK)
+					& (~CHL_INT0_NOT_RDY_MSK));
+		}
+		irq_msk &= ~(1 << phy_no);
+		phy_no++;
+	}
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_tmp);
+
+	return IRQ_HANDLED;
+}
+
+static void
+one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value)
+{
+	struct device *dev = hisi_hba->dev;
+	const struct hisi_sas_hw_error *ecc_error;
+	u32 val;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(one_bit_ecc_errors); i++) {
+		ecc_error = &one_bit_ecc_errors[i];
+		if (irq_value & ecc_error->irq_msk) {
+			val = hisi_sas_read32(hisi_hba, ecc_error->reg);
+			val &= ecc_error->msk;
+			val >>= ecc_error->shift;
+			dev_warn(dev, "%s found: mem addr is 0x%08X\n",
+				 ecc_error->msg, val);
+		}
+	}
+}
+
+static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba,
+		u32 irq_value)
+{
+	struct device *dev = hisi_hba->dev;
+	const struct hisi_sas_hw_error *ecc_error;
+	u32 val;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
+		ecc_error = &multi_bit_ecc_errors[i];
+		if (irq_value & ecc_error->irq_msk) {
+			val = hisi_sas_read32(hisi_hba, ecc_error->reg);
+			val &= ecc_error->msk;
+			val >>= ecc_error->shift;
+			dev_err(dev, "%s (0x%x) found: mem addr is 0x%08X\n",
+				ecc_error->msg, irq_value, val);
+			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		}
+	}
+
+	return;
+}
+
+static irqreturn_t fatal_ecc_int_v2_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	u32 irq_value, irq_msk;
+
+	irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk | 0xffffffff);
+
+	irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
+	if (irq_value) {
+		one_bit_ecc_error_process_v2_hw(hisi_hba, irq_value);
+		multi_bit_ecc_error_process_v2_hw(hisi_hba, irq_value);
+	}
+
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk);
+
+	return IRQ_HANDLED;
+}
+
+static const struct hisi_sas_hw_error axi_error[] = {
+	{ .msk = BIT(0), .msg = "IOST_AXI_W_ERR" },
+	{ .msk = BIT(1), .msg = "IOST_AXI_R_ERR" },
+	{ .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" },
+	{ .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" },
+	{ .msk = BIT(4), .msg = "SATA_AXI_W_ERR" },
+	{ .msk = BIT(5), .msg = "SATA_AXI_R_ERR" },
+	{ .msk = BIT(6), .msg = "DQE_AXI_R_ERR" },
+	{ .msk = BIT(7), .msg = "CQE_AXI_W_ERR" },
+	{}
+};
+
+static const struct hisi_sas_hw_error fifo_error[] = {
+	{ .msk = BIT(8),  .msg = "CQE_WINFO_FIFO" },
+	{ .msk = BIT(9),  .msg = "CQE_MSG_FIFIO" },
+	{ .msk = BIT(10), .msg = "GETDQE_FIFO" },
+	{ .msk = BIT(11), .msg = "CMDP_FIFO" },
+	{ .msk = BIT(12), .msg = "AWTCTRL_FIFO" },
+	{}
+};
+
+static const struct hisi_sas_hw_error fatal_axi_errors[] = {
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF),
+		.msg = "write pointer and depth",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF),
+		.msg = "iptt no match slot",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF),
+		.msg = "read pointer and depth",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_AXI_OFF),
+		.reg = HGC_AXI_FIFO_ERR_INFO,
+		.sub = axi_error,
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF),
+		.reg = HGC_AXI_FIFO_ERR_INFO,
+		.sub = fifo_error,
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_LM_OFF),
+		.msg = "LM add/fetch list",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_ABT_OFF),
+		.msg = "SAS_HGC_ABT fetch LM list",
+	},
+};
+
+static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	u32 irq_value, irq_msk, err_value;
+	struct device *dev = hisi_hba->dev;
+	const struct hisi_sas_hw_error *axi_error;
+	int i;
+
+	irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0xfffffffe);
+
+	irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
+
+	for (i = 0; i < ARRAY_SIZE(fatal_axi_errors); i++) {
+		axi_error = &fatal_axi_errors[i];
+		if (!(irq_value & axi_error->irq_msk))
+			continue;
+
+		hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+				 1 << axi_error->shift);
+		if (axi_error->sub) {
+			const struct hisi_sas_hw_error *sub = axi_error->sub;
+
+			err_value = hisi_sas_read32(hisi_hba, axi_error->reg);
+			for (; sub->msk || sub->msg; sub++) {
+				if (!(err_value & sub->msk))
+					continue;
+				dev_err(dev, "%s (0x%x) found!\n",
+					sub->msg, irq_value);
+				queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+			}
+		} else {
+			dev_err(dev, "%s (0x%x) found!\n",
+				axi_error->msg, irq_value);
+			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		}
+	}
+
+	if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
+		u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
+		u32 dev_id = reg_val & ITCT_DEV_MSK;
+		struct hisi_sas_device *sas_dev = &hisi_hba->devices[dev_id];
+
+		hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
+		dev_dbg(dev, "clear ITCT ok\n");
+		complete(sas_dev->completion);
+	}
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t  cq_thread_v2_hw(int irq_no, void *p)
+{
+	struct hisi_sas_cq *cq = p;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	struct hisi_sas_slot *slot;
+	struct hisi_sas_itct *itct;
+	struct hisi_sas_complete_v2_hdr *complete_queue;
+	u32 rd_point = cq->rd_point, wr_point, dev_id;
+	int queue = cq->id;
+
+	if (unlikely(hisi_hba->reject_stp_links_msk))
+		phys_try_accept_stp_links_v2_hw(hisi_hba);
+
+	complete_queue = hisi_hba->complete_hdr[queue];
+
+	wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
+				   (0x14 * queue));
+
+	while (rd_point != wr_point) {
+		struct hisi_sas_complete_v2_hdr *complete_hdr;
+		int iptt;
+
+		complete_hdr = &complete_queue[rd_point];
+
+		/* Check for NCQ completion */
+		if (complete_hdr->act) {
+			u32 act_tmp = le32_to_cpu(complete_hdr->act);
+			int ncq_tag_count = ffs(act_tmp);
+			u32 dw1 = le32_to_cpu(complete_hdr->dw1);
+
+			dev_id = (dw1 & CMPLT_HDR_DEV_ID_MSK) >>
+				 CMPLT_HDR_DEV_ID_OFF;
+			itct = &hisi_hba->itct[dev_id];
+
+			/* The NCQ tags are held in the itct header */
+			while (ncq_tag_count) {
+				__le64 *_ncq_tag = &itct->qw4_15[0], __ncq_tag;
+				u64 ncq_tag;
+
+				ncq_tag_count--;
+				__ncq_tag = _ncq_tag[ncq_tag_count / 5];
+				ncq_tag = le64_to_cpu(__ncq_tag);
+				iptt = (ncq_tag >> (ncq_tag_count % 5) * 12) &
+				       0xfff;
+
+				slot = &hisi_hba->slot_info[iptt];
+				slot->cmplt_queue_slot = rd_point;
+				slot->cmplt_queue = queue;
+				slot_complete_v2_hw(hisi_hba, slot);
+
+				act_tmp &= ~(1 << ncq_tag_count);
+				ncq_tag_count = ffs(act_tmp);
+			}
+		} else {
+			u32 dw1 = le32_to_cpu(complete_hdr->dw1);
+
+			iptt = dw1 & CMPLT_HDR_IPTT_MSK;
+			slot = &hisi_hba->slot_info[iptt];
+			slot->cmplt_queue_slot = rd_point;
+			slot->cmplt_queue = queue;
+			slot_complete_v2_hw(hisi_hba, slot);
+		}
+
+		if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
+			rd_point = 0;
+	}
+
+	/* update rd_point */
+	cq->rd_point = rd_point;
+	hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t cq_interrupt_v2_hw(int irq_no, void *p)
+{
+	struct hisi_sas_cq *cq = p;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	int queue = cq->id;
+
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
+
+	return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t sata_int_v2_hw(int irq_no, void *p)
+{
+	struct hisi_sas_phy *phy = p;
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct device *dev = hisi_hba->dev;
+	struct	hisi_sas_initial_fis *initial_fis;
+	struct dev_to_host_fis *fis;
+	u32 ent_tmp, ent_msk, ent_int, port_id, link_rate, hard_phy_linkrate;
+	irqreturn_t res = IRQ_HANDLED;
+	u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
+	int phy_no, offset;
+
+	del_timer(&phy->timer);
+
+	phy_no = sas_phy->id;
+	initial_fis = &hisi_hba->initial_fis[phy_no];
+	fis = &initial_fis->fis;
+
+	offset = 4 * (phy_no / 4);
+	ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK1 + offset);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset,
+			 ent_msk | 1 << ((phy_no % 4) * 8));
+
+	ent_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC1 + offset);
+	ent_tmp = ent_int & (1 << (ENT_INT_SRC1_D2H_FIS_CH1_OFF *
+			     (phy_no % 4)));
+	ent_int >>= ENT_INT_SRC1_D2H_FIS_CH1_OFF * (phy_no % 4);
+	if ((ent_int & ENT_INT_SRC1_D2H_FIS_CH0_MSK) == 0) {
+		dev_warn(dev, "sata int: phy%d did not receive FIS\n", phy_no);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	/* check ERR bit of Status Register */
+	if (fis->status & ATA_ERR) {
+		dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n", phy_no,
+			 fis->status);
+		hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	if (unlikely(phy_no == 8)) {
+		u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
+
+		port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
+			  PORT_STATE_PHY8_PORT_NUM_OFF;
+		link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >>
+			    PORT_STATE_PHY8_CONN_RATE_OFF;
+	} else {
+		port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+		port_id = (port_id >> (4 * phy_no)) & 0xf;
+		link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
+		link_rate = (link_rate >> (phy_no * 4)) & 0xf;
+	}
+
+	if (port_id == 0xf) {
+		dev_err(dev, "sata int: phy%d invalid portid\n", phy_no);
+		res = IRQ_NONE;
+		goto end;
+	}
+
+	sas_phy->linkrate = link_rate;
+	hard_phy_linkrate = hisi_sas_phy_read32(hisi_hba, phy_no,
+						HARD_PHY_LINKRATE);
+	phy->maximum_linkrate = hard_phy_linkrate & 0xf;
+	phy->minimum_linkrate = (hard_phy_linkrate >> 4) & 0xf;
+
+	sas_phy->oob_mode = SATA_OOB_MODE;
+	/* Make up some unique SAS address */
+	attached_sas_addr[0] = 0x50;
+	attached_sas_addr[6] = hisi_hba->shost->host_no;
+	attached_sas_addr[7] = phy_no;
+	memcpy(sas_phy->attached_sas_addr, attached_sas_addr, SAS_ADDR_SIZE);
+	memcpy(sas_phy->frame_rcvd, fis, sizeof(struct dev_to_host_fis));
+	dev_info(dev, "sata int phyup: phy%d link_rate=%d\n", phy_no, link_rate);
+	phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+	phy->port_id = port_id;
+	phy->phy_type |= PORT_TYPE_SATA;
+	phy->phy_attached = 1;
+	phy->identify.device_type = SAS_SATA_DEV;
+	phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
+	phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
+	hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
+
+	if (phy->reset_completion)
+		complete(phy->reset_completion);
+end:
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC1 + offset, ent_tmp);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset, ent_msk);
+
+	return res;
+}
+
+static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
+	int_phy_updown_v2_hw,
+	int_chnl_int_v2_hw,
+};
+
+static irq_handler_t fatal_interrupts[HISI_SAS_FATAL_INT_NR] = {
+	fatal_ecc_int_v2_hw,
+	fatal_axi_int_v2_hw
+};
+
+#define CQ0_IRQ_INDEX (96)
+
+static int hisi_sas_v2_interrupt_preinit(struct hisi_hba *hisi_hba)
+{
+	struct platform_device *pdev = hisi_hba->platform_dev;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	struct irq_affinity desc = {
+		.pre_vectors = CQ0_IRQ_INDEX,
+		.post_vectors = 16,
+	};
+	int resv = desc.pre_vectors + desc.post_vectors, minvec = resv + 1, nvec;
+
+	nvec = devm_platform_get_irqs_affinity(pdev, &desc, minvec, 128,
+					       &hisi_hba->irq_map);
+	if (nvec < 0)
+		return nvec;
+
+	shost->nr_hw_queues = hisi_hba->cq_nvecs = nvec - resv;
+
+	return 0;
+}
+
+/*
+ * There is a limitation in the hip06 chipset that we need
+ * to map in all mbigen interrupts, even if they are not used.
+ */
+static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba)
+{
+	struct platform_device *pdev = hisi_hba->platform_dev;
+	struct device *dev = &pdev->dev;
+	int irq, rc = 0;
+	int i, phy_no, fatal_no, queue_no;
+
+	for (i = 0; i < HISI_SAS_PHY_INT_NR; i++) {
+		irq = hisi_hba->irq_map[i + 1]; /* Phy up/down is irq1 */
+		rc = devm_request_irq(dev, irq, phy_interrupts[i], 0,
+				      DRV_NAME " phy", hisi_hba);
+		if (rc) {
+			dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
+				irq, rc);
+			rc = -ENOENT;
+			goto err_out;
+		}
+	}
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+
+		irq = hisi_hba->irq_map[phy_no + 72];
+		rc = devm_request_irq(dev, irq, sata_int_v2_hw, 0,
+				      DRV_NAME " sata", phy);
+		if (rc) {
+			dev_err(dev, "irq init: could not request sata interrupt %d, rc=%d\n",
+				irq, rc);
+			rc = -ENOENT;
+			goto err_out;
+		}
+	}
+
+	for (fatal_no = 0; fatal_no < HISI_SAS_FATAL_INT_NR; fatal_no++) {
+		irq = hisi_hba->irq_map[fatal_no + 81];
+		rc = devm_request_irq(dev, irq, fatal_interrupts[fatal_no], 0,
+				      DRV_NAME " fatal", hisi_hba);
+		if (rc) {
+			dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
+				irq, rc);
+			rc = -ENOENT;
+			goto err_out;
+		}
+	}
+
+	for (queue_no = 0; queue_no < hisi_hba->cq_nvecs; queue_no++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[queue_no];
+
+		cq->irq_no = hisi_hba->irq_map[queue_no + 96];
+		rc = devm_request_threaded_irq(dev, cq->irq_no,
+					       cq_interrupt_v2_hw,
+					       cq_thread_v2_hw, IRQF_ONESHOT,
+					       DRV_NAME " cq", cq);
+		if (rc) {
+			dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
+					cq->irq_no, rc);
+			rc = -ENOENT;
+			goto err_out;
+		}
+		cq->irq_mask = irq_get_affinity_mask(cq->irq_no);
+	}
+err_out:
+	return rc;
+}
+
+static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
+{
+	int rc;
+
+	memset(hisi_hba->sata_dev_bitmap, 0, sizeof(hisi_hba->sata_dev_bitmap));
+
+	rc = hw_init_v2_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	rc = interrupt_init_v2_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba)
+{
+	struct platform_device *pdev = hisi_hba->platform_dev;
+	int i;
+
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
+	}
+
+	for (i = 0; i < 128; i++)
+		synchronize_irq(platform_get_irq(pdev, i));
+}
+
+
+static u32 get_phys_state_v2_hw(struct hisi_hba *hisi_hba)
+{
+	return hisi_sas_read32(hisi_hba, PHY_STATE);
+}
+
+static int soft_reset_v2_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int rc, cnt;
+
+	interrupt_disable_v2_hw(hisi_hba);
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
+
+	hisi_sas_stop_phys(hisi_hba);
+
+	mdelay(10);
+
+	hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1);
+
+	/* wait until bus idle */
+	cnt = 0;
+	while (1) {
+		u32 status = hisi_sas_read32_relaxed(hisi_hba,
+				AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
+
+		if (status == 0x3)
+			break;
+
+		udelay(10);
+		if (cnt++ > 10) {
+			dev_err(dev, "wait axi bus state to idle timeout!\n");
+			return -1;
+		}
+	}
+
+	hisi_sas_init_mem(hisi_hba);
+
+	rc = hw_init_v2_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	phys_reject_stp_links_v2_hw(hisi_hba);
+
+	return 0;
+}
+
+static int write_gpio_v2_hw(struct hisi_hba *hisi_hba, u8 reg_type,
+			u8 reg_index, u8 reg_count, u8 *write_data)
+{
+	struct device *dev = hisi_hba->dev;
+	int phy_no, count;
+
+	if (!hisi_hba->sgpio_regs)
+		return -EOPNOTSUPP;
+
+	switch (reg_type) {
+	case SAS_GPIO_REG_TX:
+		count = reg_count * 4;
+		count = min(count, hisi_hba->n_phy);
+
+		for (phy_no = 0; phy_no < count; phy_no++) {
+			/*
+			 * GPIO_TX[n] register has the highest numbered drive
+			 * of the four in the first byte and the lowest
+			 * numbered drive in the fourth byte.
+			 * See SFF-8485 Rev. 0.7 Table 24.
+			 */
+			void __iomem  *reg_addr = hisi_hba->sgpio_regs +
+					reg_index * 4 + phy_no;
+			int data_idx = phy_no + 3 - (phy_no % 4) * 2;
+
+			writeb(write_data[data_idx], reg_addr);
+		}
+
+		break;
+	default:
+		dev_err(dev, "write gpio: unsupported or bad reg type %d\n",
+			reg_type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void wait_cmds_complete_timeout_v2_hw(struct hisi_hba *hisi_hba,
+					     int delay_ms, int timeout_ms)
+{
+	struct device *dev = hisi_hba->dev;
+	int entries, entries_old = 0, time;
+
+	for (time = 0; time < timeout_ms; time += delay_ms) {
+		entries = hisi_sas_read32(hisi_hba, CQE_SEND_CNT);
+		if (entries == entries_old)
+			break;
+
+		entries_old = entries;
+		msleep(delay_ms);
+	}
+
+	if (time >= timeout_ms) {
+		dev_dbg(dev, "Wait commands complete timeout!\n");
+		return;
+	}
+
+	dev_dbg(dev, "wait commands complete %dms\n", time);
+
+}
+
+static struct attribute *host_v2_hw_attrs[] = {
+	&dev_attr_phy_event_threshold.attr,
+	NULL
+};
+
+ATTRIBUTE_GROUPS(host_v2_hw);
+
+static void map_queues_v2_hw(struct Scsi_Host *shost)
+{
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
+	const struct cpumask *mask;
+	unsigned int queue, cpu;
+
+	for (queue = 0; queue < qmap->nr_queues; queue++) {
+		mask = irq_get_affinity_mask(hisi_hba->irq_map[96 + queue]);
+		if (!mask)
+			continue;
+
+		for_each_cpu(cpu, mask)
+			qmap->mq_map[cpu] = qmap->queue_offset + queue;
+	}
+}
+
+static struct scsi_host_template sht_v2_hw = {
+	.name			= DRV_NAME,
+	.proc_name		= DRV_NAME,
+	.module			= THIS_MODULE,
+	.queuecommand		= sas_queuecommand,
+	.dma_need_drain		= ata_scsi_dma_need_drain,
+	.target_alloc		= sas_target_alloc,
+	.slave_configure	= hisi_sas_slave_configure,
+	.scan_finished		= hisi_sas_scan_finished,
+	.scan_start		= hisi_sas_scan_start,
+	.change_queue_depth	= sas_change_queue_depth,
+	.bios_param		= sas_bios_param,
+	.this_id		= -1,
+	.sg_tablesize		= HISI_SAS_SGE_PAGE_CNT,
+	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
+	.eh_device_reset_handler = sas_eh_device_reset_handler,
+	.eh_target_reset_handler = sas_eh_target_reset_handler,
+	.slave_alloc		= hisi_sas_slave_alloc,
+	.target_destroy		= sas_target_destroy,
+	.ioctl			= sas_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl		= sas_ioctl,
+#endif
+	.shost_groups		= host_v2_hw_groups,
+	.host_reset		= hisi_sas_host_reset,
+	.map_queues		= map_queues_v2_hw,
+	.host_tagset		= 1,
+};
+
+static const struct hisi_sas_hw hisi_sas_v2_hw = {
+	.hw_init = hisi_sas_v2_init,
+	.interrupt_preinit = hisi_sas_v2_interrupt_preinit,
+	.setup_itct = setup_itct_v2_hw,
+	.slot_index_alloc = slot_index_alloc_quirk_v2_hw,
+	.alloc_dev = alloc_dev_quirk_v2_hw,
+	.sl_notify_ssp = sl_notify_ssp_v2_hw,
+	.get_wideport_bitmap = get_wideport_bitmap_v2_hw,
+	.clear_itct = clear_itct_v2_hw,
+	.free_device = free_device_v2_hw,
+	.prep_smp = prep_smp_v2_hw,
+	.prep_ssp = prep_ssp_v2_hw,
+	.prep_stp = prep_ata_v2_hw,
+	.prep_abort = prep_abort_v2_hw,
+	.start_delivery = start_delivery_v2_hw,
+	.phys_init = phys_init_v2_hw,
+	.phy_start = start_phy_v2_hw,
+	.phy_disable = disable_phy_v2_hw,
+	.phy_hard_reset = phy_hard_reset_v2_hw,
+	.get_events = phy_get_events_v2_hw,
+	.phy_set_linkrate = phy_set_linkrate_v2_hw,
+	.phy_get_max_linkrate = phy_get_max_linkrate_v2_hw,
+	.complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr),
+	.soft_reset = soft_reset_v2_hw,
+	.get_phys_state = get_phys_state_v2_hw,
+	.write_gpio = write_gpio_v2_hw,
+	.wait_cmds_complete_timeout = wait_cmds_complete_timeout_v2_hw,
+	.sht = &sht_v2_hw,
+};
+
+static int hisi_sas_v2_probe(struct platform_device *pdev)
+{
+	return hisi_sas_probe(pdev, &hisi_sas_v2_hw);
+}
+
+static int hisi_sas_v2_remove(struct platform_device *pdev)
+{
+	return hisi_sas_remove(pdev);
+}
+
+static const struct of_device_id sas_v2_of_match[] = {
+	{ .compatible = "hisilicon,hip06-sas-v2",},
+	{ .compatible = "hisilicon,hip07-sas-v2",},
+	{},
+};
+MODULE_DEVICE_TABLE(of, sas_v2_of_match);
+
+static const struct acpi_device_id sas_v2_acpi_match[] = {
+	{ "HISI0162", 0 },
+	{ }
+};
+
+MODULE_DEVICE_TABLE(acpi, sas_v2_acpi_match);
+
+static struct platform_driver hisi_sas_v2_driver = {
+	.probe = hisi_sas_v2_probe,
+	.remove = hisi_sas_v2_remove,
+	.driver = {
+		.name = DRV_NAME,
+		.of_match_table = sas_v2_of_match,
+		.acpi_match_table = ACPI_PTR(sas_v2_acpi_match),
+	},
+};
+
+module_platform_driver(hisi_sas_v2_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
+MODULE_DESCRIPTION("HISILICON SAS controller v2 hw driver");
+MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
new file mode 100644
index 000000000..0c80ff9af
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -0,0 +1,5114 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2017 Hisilicon Limited.
+ */
+
+#include <linux/sched/clock.h>
+#include "hisi_sas.h"
+#define DRV_NAME "hisi_sas_v3_hw"
+
+/* global registers need init */
+#define DLVRY_QUEUE_ENABLE		0x0
+#define IOST_BASE_ADDR_LO		0x8
+#define IOST_BASE_ADDR_HI		0xc
+#define ITCT_BASE_ADDR_LO		0x10
+#define ITCT_BASE_ADDR_HI		0x14
+#define IO_BROKEN_MSG_ADDR_LO		0x18
+#define IO_BROKEN_MSG_ADDR_HI		0x1c
+#define PHY_CONTEXT			0x20
+#define PHY_STATE			0x24
+#define PHY_PORT_NUM_MA			0x28
+#define PHY_CONN_RATE			0x30
+#define ITCT_CLR			0x44
+#define ITCT_CLR_EN_OFF			16
+#define ITCT_CLR_EN_MSK			(0x1 << ITCT_CLR_EN_OFF)
+#define ITCT_DEV_OFF			0
+#define ITCT_DEV_MSK			(0x7ff << ITCT_DEV_OFF)
+#define SAS_AXI_USER3			0x50
+#define IO_SATA_BROKEN_MSG_ADDR_LO	0x58
+#define IO_SATA_BROKEN_MSG_ADDR_HI	0x5c
+#define SATA_INITI_D2H_STORE_ADDR_LO	0x60
+#define SATA_INITI_D2H_STORE_ADDR_HI	0x64
+#define CFG_MAX_TAG			0x68
+#define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL	0x84
+#define HGC_SAS_TXFAIL_RETRY_CTRL	0x88
+#define HGC_GET_ITV_TIME		0x90
+#define DEVICE_MSG_WORK_MODE		0x94
+#define OPENA_WT_CONTI_TIME		0x9c
+#define I_T_NEXUS_LOSS_TIME		0xa0
+#define MAX_CON_TIME_LIMIT_TIME		0xa4
+#define BUS_INACTIVE_LIMIT_TIME		0xa8
+#define REJECT_TO_OPEN_LIMIT_TIME	0xac
+#define CQ_INT_CONVERGE_EN		0xb0
+#define CFG_AGING_TIME			0xbc
+#define HGC_DFX_CFG2			0xc0
+#define CFG_ABT_SET_QUERY_IPTT	0xd4
+#define CFG_SET_ABORTED_IPTT_OFF	0
+#define CFG_SET_ABORTED_IPTT_MSK	(0xfff << CFG_SET_ABORTED_IPTT_OFF)
+#define CFG_SET_ABORTED_EN_OFF	12
+#define CFG_ABT_SET_IPTT_DONE	0xd8
+#define CFG_ABT_SET_IPTT_DONE_OFF	0
+#define HGC_IOMB_PROC1_STATUS	0x104
+#define HGC_LM_DFX_STATUS2		0x128
+#define HGC_LM_DFX_STATUS2_IOSTLIST_OFF		0
+#define HGC_LM_DFX_STATUS2_IOSTLIST_MSK	(0xfff << \
+					 HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
+#define HGC_LM_DFX_STATUS2_ITCTLIST_OFF		12
+#define HGC_LM_DFX_STATUS2_ITCTLIST_MSK	(0x7ff << \
+					 HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
+#define HGC_CQE_ECC_ADDR		0x13c
+#define HGC_CQE_ECC_1B_ADDR_OFF	0
+#define HGC_CQE_ECC_1B_ADDR_MSK	(0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
+#define HGC_CQE_ECC_MB_ADDR_OFF	8
+#define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
+#define HGC_IOST_ECC_ADDR		0x140
+#define HGC_IOST_ECC_1B_ADDR_OFF	0
+#define HGC_IOST_ECC_1B_ADDR_MSK	(0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
+#define HGC_IOST_ECC_MB_ADDR_OFF	16
+#define HGC_IOST_ECC_MB_ADDR_MSK	(0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
+#define HGC_DQE_ECC_ADDR		0x144
+#define HGC_DQE_ECC_1B_ADDR_OFF	0
+#define HGC_DQE_ECC_1B_ADDR_MSK	(0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
+#define HGC_DQE_ECC_MB_ADDR_OFF	16
+#define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
+#define CHNL_INT_STATUS			0x148
+#define TAB_DFX				0x14c
+#define HGC_ITCT_ECC_ADDR		0x150
+#define HGC_ITCT_ECC_1B_ADDR_OFF		0
+#define HGC_ITCT_ECC_1B_ADDR_MSK		(0x3ff << \
+						 HGC_ITCT_ECC_1B_ADDR_OFF)
+#define HGC_ITCT_ECC_MB_ADDR_OFF		16
+#define HGC_ITCT_ECC_MB_ADDR_MSK		(0x3ff << \
+						 HGC_ITCT_ECC_MB_ADDR_OFF)
+#define HGC_AXI_FIFO_ERR_INFO  0x154
+#define AXI_ERR_INFO_OFF               0
+#define AXI_ERR_INFO_MSK               (0xff << AXI_ERR_INFO_OFF)
+#define FIFO_ERR_INFO_OFF              8
+#define FIFO_ERR_INFO_MSK              (0xff << FIFO_ERR_INFO_OFF)
+#define TAB_RD_TYPE			0x15c
+#define INT_COAL_EN			0x19c
+#define OQ_INT_COAL_TIME		0x1a0
+#define OQ_INT_COAL_CNT			0x1a4
+#define ENT_INT_COAL_TIME		0x1a8
+#define ENT_INT_COAL_CNT		0x1ac
+#define OQ_INT_SRC			0x1b0
+#define OQ_INT_SRC_MSK			0x1b4
+#define ENT_INT_SRC1			0x1b8
+#define ENT_INT_SRC1_D2H_FIS_CH0_OFF	0
+#define ENT_INT_SRC1_D2H_FIS_CH0_MSK	(0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
+#define ENT_INT_SRC1_D2H_FIS_CH1_OFF	8
+#define ENT_INT_SRC1_D2H_FIS_CH1_MSK	(0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
+#define ENT_INT_SRC2			0x1bc
+#define ENT_INT_SRC3			0x1c0
+#define ENT_INT_SRC3_WP_DEPTH_OFF		8
+#define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF	9
+#define ENT_INT_SRC3_RP_DEPTH_OFF		10
+#define ENT_INT_SRC3_AXI_OFF			11
+#define ENT_INT_SRC3_FIFO_OFF			12
+#define ENT_INT_SRC3_LM_OFF				14
+#define ENT_INT_SRC3_ITC_INT_OFF	15
+#define ENT_INT_SRC3_ITC_INT_MSK	(0x1 << ENT_INT_SRC3_ITC_INT_OFF)
+#define ENT_INT_SRC3_ABT_OFF		16
+#define ENT_INT_SRC3_DQE_POISON_OFF	18
+#define ENT_INT_SRC3_IOST_POISON_OFF	19
+#define ENT_INT_SRC3_ITCT_POISON_OFF	20
+#define ENT_INT_SRC3_ITCT_NCQ_POISON_OFF	21
+#define ENT_INT_SRC_MSK1		0x1c4
+#define ENT_INT_SRC_MSK2		0x1c8
+#define ENT_INT_SRC_MSK3		0x1cc
+#define ENT_INT_SRC_MSK3_ENT95_MSK_OFF	31
+#define CHNL_PHYUPDOWN_INT_MSK		0x1d0
+#define CHNL_ENT_INT_MSK			0x1d4
+#define HGC_COM_INT_MSK				0x1d8
+#define ENT_INT_SRC_MSK3_ENT95_MSK_MSK	(0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
+#define SAS_ECC_INTR			0x1e8
+#define SAS_ECC_INTR_DQE_ECC_1B_OFF		0
+#define SAS_ECC_INTR_DQE_ECC_MB_OFF		1
+#define SAS_ECC_INTR_IOST_ECC_1B_OFF	2
+#define SAS_ECC_INTR_IOST_ECC_MB_OFF	3
+#define SAS_ECC_INTR_ITCT_ECC_1B_OFF	4
+#define SAS_ECC_INTR_ITCT_ECC_MB_OFF	5
+#define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF	6
+#define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF	7
+#define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF	8
+#define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF	9
+#define SAS_ECC_INTR_CQE_ECC_1B_OFF		10
+#define SAS_ECC_INTR_CQE_ECC_MB_OFF		11
+#define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF	12
+#define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF	13
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF	14
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF	15
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF	16
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF	17
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF	18
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF	19
+#define SAS_ECC_INTR_OOO_RAM_ECC_1B_OFF		20
+#define SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF		21
+#define SAS_ECC_INTR_MSK		0x1ec
+#define HGC_ERR_STAT_EN			0x238
+#define CQE_SEND_CNT			0x248
+#define DLVRY_Q_0_BASE_ADDR_LO		0x260
+#define DLVRY_Q_0_BASE_ADDR_HI		0x264
+#define DLVRY_Q_0_DEPTH			0x268
+#define DLVRY_Q_0_WR_PTR		0x26c
+#define DLVRY_Q_0_RD_PTR		0x270
+#define HYPER_STREAM_ID_EN_CFG		0xc80
+#define OQ0_INT_SRC_MSK			0xc90
+#define COMPL_Q_0_BASE_ADDR_LO		0x4e0
+#define COMPL_Q_0_BASE_ADDR_HI		0x4e4
+#define COMPL_Q_0_DEPTH			0x4e8
+#define COMPL_Q_0_WR_PTR		0x4ec
+#define COMPL_Q_0_RD_PTR		0x4f0
+#define HGC_RXM_DFX_STATUS14		0xae8
+#define HGC_RXM_DFX_STATUS14_MEM0_OFF	0
+#define HGC_RXM_DFX_STATUS14_MEM0_MSK	(0x1ff << \
+					 HGC_RXM_DFX_STATUS14_MEM0_OFF)
+#define HGC_RXM_DFX_STATUS14_MEM1_OFF	9
+#define HGC_RXM_DFX_STATUS14_MEM1_MSK	(0x1ff << \
+					 HGC_RXM_DFX_STATUS14_MEM1_OFF)
+#define HGC_RXM_DFX_STATUS14_MEM2_OFF	18
+#define HGC_RXM_DFX_STATUS14_MEM2_MSK	(0x1ff << \
+					 HGC_RXM_DFX_STATUS14_MEM2_OFF)
+#define HGC_RXM_DFX_STATUS15		0xaec
+#define HGC_RXM_DFX_STATUS15_MEM3_OFF	0
+#define HGC_RXM_DFX_STATUS15_MEM3_MSK	(0x1ff << \
+					 HGC_RXM_DFX_STATUS15_MEM3_OFF)
+#define AWQOS_AWCACHE_CFG	0xc84
+#define ARQOS_ARCACHE_CFG	0xc88
+#define HILINK_ERR_DFX		0xe04
+#define SAS_GPIO_CFG_0		0x1000
+#define SAS_GPIO_CFG_1		0x1004
+#define SAS_GPIO_TX_0_1	0x1040
+#define SAS_CFG_DRIVE_VLD	0x1070
+
+/* phy registers requiring init */
+#define PORT_BASE			(0x2000)
+#define PHY_CFG				(PORT_BASE + 0x0)
+#define HARD_PHY_LINKRATE		(PORT_BASE + 0x4)
+#define PHY_CFG_ENA_OFF			0
+#define PHY_CFG_ENA_MSK			(0x1 << PHY_CFG_ENA_OFF)
+#define PHY_CFG_DC_OPT_OFF		2
+#define PHY_CFG_DC_OPT_MSK		(0x1 << PHY_CFG_DC_OPT_OFF)
+#define PHY_CFG_PHY_RST_OFF		3
+#define PHY_CFG_PHY_RST_MSK		(0x1 << PHY_CFG_PHY_RST_OFF)
+#define PROG_PHY_LINK_RATE		(PORT_BASE + 0x8)
+#define CFG_PROG_PHY_LINK_RATE_OFF	0
+#define CFG_PROG_PHY_LINK_RATE_MSK	(0xff << CFG_PROG_PHY_LINK_RATE_OFF)
+#define CFG_PROG_OOB_PHY_LINK_RATE_OFF	8
+#define CFG_PROG_OOB_PHY_LINK_RATE_MSK	(0xf << CFG_PROG_OOB_PHY_LINK_RATE_OFF)
+#define PHY_CTRL			(PORT_BASE + 0x14)
+#define PHY_CTRL_RESET_OFF		0
+#define PHY_CTRL_RESET_MSK		(0x1 << PHY_CTRL_RESET_OFF)
+#define CMD_HDR_PIR_OFF			8
+#define CMD_HDR_PIR_MSK			(0x1 << CMD_HDR_PIR_OFF)
+#define SERDES_CFG			(PORT_BASE + 0x1c)
+#define CFG_ALOS_CHK_DISABLE_OFF	9
+#define CFG_ALOS_CHK_DISABLE_MSK	(0x1 << CFG_ALOS_CHK_DISABLE_OFF)
+#define SAS_PHY_BIST_CTRL		(PORT_BASE + 0x2c)
+#define CFG_BIST_MODE_SEL_OFF		0
+#define CFG_BIST_MODE_SEL_MSK		(0xf << CFG_BIST_MODE_SEL_OFF)
+#define CFG_LOOP_TEST_MODE_OFF		14
+#define CFG_LOOP_TEST_MODE_MSK		(0x3 << CFG_LOOP_TEST_MODE_OFF)
+#define CFG_RX_BIST_EN_OFF		16
+#define CFG_RX_BIST_EN_MSK		(0x1 << CFG_RX_BIST_EN_OFF)
+#define CFG_TX_BIST_EN_OFF		17
+#define CFG_TX_BIST_EN_MSK		(0x1 << CFG_TX_BIST_EN_OFF)
+#define CFG_BIST_TEST_OFF		18
+#define CFG_BIST_TEST_MSK		(0x1 << CFG_BIST_TEST_OFF)
+#define SAS_PHY_BIST_CODE		(PORT_BASE + 0x30)
+#define SAS_PHY_BIST_CODE1		(PORT_BASE + 0x34)
+#define SAS_BIST_ERR_CNT		(PORT_BASE + 0x38)
+#define SL_CFG				(PORT_BASE + 0x84)
+#define AIP_LIMIT			(PORT_BASE + 0x90)
+#define SL_CONTROL			(PORT_BASE + 0x94)
+#define SL_CONTROL_NOTIFY_EN_OFF	0
+#define SL_CONTROL_NOTIFY_EN_MSK	(0x1 << SL_CONTROL_NOTIFY_EN_OFF)
+#define SL_CTA_OFF		17
+#define SL_CTA_MSK		(0x1 << SL_CTA_OFF)
+#define RX_PRIMS_STATUS			(PORT_BASE + 0x98)
+#define RX_BCAST_CHG_OFF		1
+#define RX_BCAST_CHG_MSK		(0x1 << RX_BCAST_CHG_OFF)
+#define TX_ID_DWORD0			(PORT_BASE + 0x9c)
+#define TX_ID_DWORD1			(PORT_BASE + 0xa0)
+#define TX_ID_DWORD2			(PORT_BASE + 0xa4)
+#define TX_ID_DWORD3			(PORT_BASE + 0xa8)
+#define TX_ID_DWORD4			(PORT_BASE + 0xaC)
+#define TX_ID_DWORD5			(PORT_BASE + 0xb0)
+#define TX_ID_DWORD6			(PORT_BASE + 0xb4)
+#define TXID_AUTO				(PORT_BASE + 0xb8)
+#define CT3_OFF		1
+#define CT3_MSK		(0x1 << CT3_OFF)
+#define TX_HARDRST_OFF          2
+#define TX_HARDRST_MSK          (0x1 << TX_HARDRST_OFF)
+#define RX_IDAF_DWORD0			(PORT_BASE + 0xc4)
+#define RXOP_CHECK_CFG_H		(PORT_BASE + 0xfc)
+#define STP_LINK_TIMER			(PORT_BASE + 0x120)
+#define STP_LINK_TIMEOUT_STATE		(PORT_BASE + 0x124)
+#define CON_CFG_DRIVER			(PORT_BASE + 0x130)
+#define SAS_SSP_CON_TIMER_CFG		(PORT_BASE + 0x134)
+#define SAS_SMP_CON_TIMER_CFG		(PORT_BASE + 0x138)
+#define SAS_STP_CON_TIMER_CFG		(PORT_BASE + 0x13c)
+#define CHL_INT0			(PORT_BASE + 0x1b4)
+#define CHL_INT0_HOTPLUG_TOUT_OFF	0
+#define CHL_INT0_HOTPLUG_TOUT_MSK	(0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
+#define CHL_INT0_SL_RX_BCST_ACK_OFF	1
+#define CHL_INT0_SL_RX_BCST_ACK_MSK	(0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
+#define CHL_INT0_SL_PHY_ENABLE_OFF	2
+#define CHL_INT0_SL_PHY_ENABLE_MSK	(0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
+#define CHL_INT0_NOT_RDY_OFF		4
+#define CHL_INT0_NOT_RDY_MSK		(0x1 << CHL_INT0_NOT_RDY_OFF)
+#define CHL_INT0_PHY_RDY_OFF		5
+#define CHL_INT0_PHY_RDY_MSK		(0x1 << CHL_INT0_PHY_RDY_OFF)
+#define CHL_INT1			(PORT_BASE + 0x1b8)
+#define CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF	15
+#define CHL_INT1_DMAC_TX_ECC_1B_ERR_OFF	16
+#define CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF	17
+#define CHL_INT1_DMAC_RX_ECC_1B_ERR_OFF	18
+#define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF	19
+#define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF	20
+#define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF	21
+#define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF	22
+#define CHL_INT1_DMAC_TX_FIFO_ERR_OFF	23
+#define CHL_INT1_DMAC_RX_FIFO_ERR_OFF	24
+#define CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF	26
+#define CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF	27
+#define CHL_INT2			(PORT_BASE + 0x1bc)
+#define CHL_INT2_SL_IDAF_TOUT_CONF_OFF	0
+#define CHL_INT2_RX_DISP_ERR_OFF	28
+#define CHL_INT2_RX_CODE_ERR_OFF	29
+#define CHL_INT2_RX_INVLD_DW_OFF	30
+#define CHL_INT2_STP_LINK_TIMEOUT_OFF	31
+#define CHL_INT0_MSK			(PORT_BASE + 0x1c0)
+#define CHL_INT1_MSK			(PORT_BASE + 0x1c4)
+#define CHL_INT2_MSK			(PORT_BASE + 0x1c8)
+#define SAS_EC_INT_COAL_TIME		(PORT_BASE + 0x1cc)
+#define CHL_INT_COAL_EN			(PORT_BASE + 0x1d0)
+#define SAS_RX_TRAIN_TIMER		(PORT_BASE + 0x2a4)
+#define PHY_CTRL_RDY_MSK		(PORT_BASE + 0x2b0)
+#define PHYCTRL_NOT_RDY_MSK		(PORT_BASE + 0x2b4)
+#define PHYCTRL_DWS_RESET_MSK		(PORT_BASE + 0x2b8)
+#define PHYCTRL_PHY_ENA_MSK		(PORT_BASE + 0x2bc)
+#define SL_RX_BCAST_CHK_MSK		(PORT_BASE + 0x2c0)
+#define PHYCTRL_OOB_RESTART_MSK		(PORT_BASE + 0x2c4)
+#define DMA_TX_STATUS			(PORT_BASE + 0x2d0)
+#define DMA_TX_STATUS_BUSY_OFF		0
+#define DMA_TX_STATUS_BUSY_MSK		(0x1 << DMA_TX_STATUS_BUSY_OFF)
+#define DMA_RX_STATUS			(PORT_BASE + 0x2e8)
+#define DMA_RX_STATUS_BUSY_OFF		0
+#define DMA_RX_STATUS_BUSY_MSK		(0x1 << DMA_RX_STATUS_BUSY_OFF)
+
+#define COARSETUNE_TIME			(PORT_BASE + 0x304)
+#define TXDEEMPH_G1			(PORT_BASE + 0x350)
+#define ERR_CNT_DWS_LOST		(PORT_BASE + 0x380)
+#define ERR_CNT_RESET_PROB		(PORT_BASE + 0x384)
+#define ERR_CNT_INVLD_DW		(PORT_BASE + 0x390)
+#define ERR_CNT_CODE_ERR		(PORT_BASE + 0x394)
+#define ERR_CNT_DISP_ERR		(PORT_BASE + 0x398)
+#define DFX_FIFO_CTRL			(PORT_BASE + 0x3a0)
+#define DFX_FIFO_CTRL_TRIGGER_MODE_OFF	0
+#define DFX_FIFO_CTRL_TRIGGER_MODE_MSK	(0x7 << DFX_FIFO_CTRL_TRIGGER_MODE_OFF)
+#define DFX_FIFO_CTRL_DUMP_MODE_OFF	3
+#define DFX_FIFO_CTRL_DUMP_MODE_MSK	(0x7 << DFX_FIFO_CTRL_DUMP_MODE_OFF)
+#define DFX_FIFO_CTRL_SIGNAL_SEL_OFF	6
+#define DFX_FIFO_CTRL_SIGNAL_SEL_MSK	(0xF << DFX_FIFO_CTRL_SIGNAL_SEL_OFF)
+#define DFX_FIFO_CTRL_DUMP_DISABLE_OFF	10
+#define DFX_FIFO_CTRL_DUMP_DISABLE_MSK	(0x1 << DFX_FIFO_CTRL_DUMP_DISABLE_OFF)
+#define DFX_FIFO_TRIGGER		(PORT_BASE + 0x3a4)
+#define DFX_FIFO_TRIGGER_MSK		(PORT_BASE + 0x3a8)
+#define DFX_FIFO_DUMP_MSK		(PORT_BASE + 0x3aC)
+#define DFX_FIFO_RD_DATA		(PORT_BASE + 0x3b0)
+
+#define DEFAULT_ITCT_HW		2048 /* reset value, not reprogrammed */
+#if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW)
+#error Max ITCT exceeded
+#endif
+
+#define AXI_MASTER_CFG_BASE		(0x5000)
+#define AM_CTRL_GLOBAL			(0x0)
+#define AM_CTRL_SHUTDOWN_REQ_OFF	0
+#define AM_CTRL_SHUTDOWN_REQ_MSK	(0x1 << AM_CTRL_SHUTDOWN_REQ_OFF)
+#define AM_CURR_TRANS_RETURN	(0x150)
+
+#define AM_CFG_MAX_TRANS		(0x5010)
+#define AM_CFG_SINGLE_PORT_MAX_TRANS	(0x5014)
+#define AXI_CFG					(0x5100)
+#define AM_ROB_ECC_ERR_ADDR		(0x510c)
+#define AM_ROB_ECC_ERR_ADDR_OFF	0
+#define AM_ROB_ECC_ERR_ADDR_MSK	0xffffffff
+
+/* RAS registers need init */
+#define RAS_BASE		(0x6000)
+#define SAS_RAS_INTR0			(RAS_BASE)
+#define SAS_RAS_INTR1			(RAS_BASE + 0x04)
+#define SAS_RAS_INTR0_MASK		(RAS_BASE + 0x08)
+#define SAS_RAS_INTR1_MASK		(RAS_BASE + 0x0c)
+#define CFG_SAS_RAS_INTR_MASK		(RAS_BASE + 0x1c)
+#define SAS_RAS_INTR2			(RAS_BASE + 0x20)
+#define SAS_RAS_INTR2_MASK		(RAS_BASE + 0x24)
+
+/* HW dma structures */
+/* Delivery queue header */
+/* dw0 */
+#define CMD_HDR_ABORT_FLAG_OFF		0
+#define CMD_HDR_ABORT_FLAG_MSK		(0x3 << CMD_HDR_ABORT_FLAG_OFF)
+#define CMD_HDR_ABORT_DEVICE_TYPE_OFF	2
+#define CMD_HDR_ABORT_DEVICE_TYPE_MSK	(0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
+#define CMD_HDR_RESP_REPORT_OFF		5
+#define CMD_HDR_RESP_REPORT_MSK		(0x1 << CMD_HDR_RESP_REPORT_OFF)
+#define CMD_HDR_TLR_CTRL_OFF		6
+#define CMD_HDR_TLR_CTRL_MSK		(0x3 << CMD_HDR_TLR_CTRL_OFF)
+#define CMD_HDR_PORT_OFF		18
+#define CMD_HDR_PORT_MSK		(0xf << CMD_HDR_PORT_OFF)
+#define CMD_HDR_PRIORITY_OFF		27
+#define CMD_HDR_PRIORITY_MSK		(0x1 << CMD_HDR_PRIORITY_OFF)
+#define CMD_HDR_CMD_OFF			29
+#define CMD_HDR_CMD_MSK			(0x7 << CMD_HDR_CMD_OFF)
+/* dw1 */
+#define CMD_HDR_UNCON_CMD_OFF	3
+#define CMD_HDR_DIR_OFF			5
+#define CMD_HDR_DIR_MSK			(0x3 << CMD_HDR_DIR_OFF)
+#define CMD_HDR_RESET_OFF		7
+#define CMD_HDR_RESET_MSK		(0x1 << CMD_HDR_RESET_OFF)
+#define CMD_HDR_VDTL_OFF		10
+#define CMD_HDR_VDTL_MSK		(0x1 << CMD_HDR_VDTL_OFF)
+#define CMD_HDR_FRAME_TYPE_OFF		11
+#define CMD_HDR_FRAME_TYPE_MSK		(0x1f << CMD_HDR_FRAME_TYPE_OFF)
+#define CMD_HDR_DEV_ID_OFF		16
+#define CMD_HDR_DEV_ID_MSK		(0xffff << CMD_HDR_DEV_ID_OFF)
+/* dw2 */
+#define CMD_HDR_CFL_OFF			0
+#define CMD_HDR_CFL_MSK			(0x1ff << CMD_HDR_CFL_OFF)
+#define CMD_HDR_NCQ_TAG_OFF		10
+#define CMD_HDR_NCQ_TAG_MSK		(0x1f << CMD_HDR_NCQ_TAG_OFF)
+#define CMD_HDR_MRFL_OFF		15
+#define CMD_HDR_MRFL_MSK		(0x1ff << CMD_HDR_MRFL_OFF)
+#define CMD_HDR_SG_MOD_OFF		24
+#define CMD_HDR_SG_MOD_MSK		(0x3 << CMD_HDR_SG_MOD_OFF)
+/* dw3 */
+#define CMD_HDR_IPTT_OFF		0
+#define CMD_HDR_IPTT_MSK		(0xffff << CMD_HDR_IPTT_OFF)
+/* dw6 */
+#define CMD_HDR_DIF_SGL_LEN_OFF		0
+#define CMD_HDR_DIF_SGL_LEN_MSK		(0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
+#define CMD_HDR_DATA_SGL_LEN_OFF	16
+#define CMD_HDR_DATA_SGL_LEN_MSK	(0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
+/* dw7 */
+#define CMD_HDR_ADDR_MODE_SEL_OFF		15
+#define CMD_HDR_ADDR_MODE_SEL_MSK		(1 << CMD_HDR_ADDR_MODE_SEL_OFF)
+#define CMD_HDR_ABORT_IPTT_OFF		16
+#define CMD_HDR_ABORT_IPTT_MSK		(0xffff << CMD_HDR_ABORT_IPTT_OFF)
+
+/* Completion header */
+/* dw0 */
+#define CMPLT_HDR_CMPLT_OFF		0
+#define CMPLT_HDR_CMPLT_MSK		(0x3 << CMPLT_HDR_CMPLT_OFF)
+#define CMPLT_HDR_ERROR_PHASE_OFF   2
+#define CMPLT_HDR_ERROR_PHASE_MSK   (0xff << CMPLT_HDR_ERROR_PHASE_OFF)
+#define CMPLT_HDR_RSPNS_XFRD_OFF	10
+#define CMPLT_HDR_RSPNS_XFRD_MSK	(0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
+#define CMPLT_HDR_RSPNS_GOOD_OFF	11
+#define CMPLT_HDR_RSPNS_GOOD_MSK	(0x1 << CMPLT_HDR_RSPNS_GOOD_OFF)
+#define CMPLT_HDR_ERX_OFF		12
+#define CMPLT_HDR_ERX_MSK		(0x1 << CMPLT_HDR_ERX_OFF)
+#define CMPLT_HDR_ABORT_STAT_OFF	13
+#define CMPLT_HDR_ABORT_STAT_MSK	(0x7 << CMPLT_HDR_ABORT_STAT_OFF)
+/* abort_stat */
+#define STAT_IO_NOT_VALID		0x1
+#define STAT_IO_NO_DEVICE		0x2
+#define STAT_IO_COMPLETE		0x3
+#define STAT_IO_ABORTED			0x4
+/* dw1 */
+#define CMPLT_HDR_IPTT_OFF		0
+#define CMPLT_HDR_IPTT_MSK		(0xffff << CMPLT_HDR_IPTT_OFF)
+#define CMPLT_HDR_DEV_ID_OFF		16
+#define CMPLT_HDR_DEV_ID_MSK		(0xffff << CMPLT_HDR_DEV_ID_OFF)
+/* dw3 */
+#define CMPLT_HDR_IO_IN_TARGET_OFF	17
+#define CMPLT_HDR_IO_IN_TARGET_MSK	(0x1 << CMPLT_HDR_IO_IN_TARGET_OFF)
+
+/* ITCT header */
+/* qw0 */
+#define ITCT_HDR_DEV_TYPE_OFF		0
+#define ITCT_HDR_DEV_TYPE_MSK		(0x3 << ITCT_HDR_DEV_TYPE_OFF)
+#define ITCT_HDR_VALID_OFF		2
+#define ITCT_HDR_VALID_MSK		(0x1 << ITCT_HDR_VALID_OFF)
+#define ITCT_HDR_MCR_OFF		5
+#define ITCT_HDR_MCR_MSK		(0xf << ITCT_HDR_MCR_OFF)
+#define ITCT_HDR_VLN_OFF		9
+#define ITCT_HDR_VLN_MSK		(0xf << ITCT_HDR_VLN_OFF)
+#define ITCT_HDR_SMP_TIMEOUT_OFF	16
+#define ITCT_HDR_AWT_CONTINUE_OFF	25
+#define ITCT_HDR_PORT_ID_OFF		28
+#define ITCT_HDR_PORT_ID_MSK		(0xf << ITCT_HDR_PORT_ID_OFF)
+/* qw2 */
+#define ITCT_HDR_INLT_OFF		0
+#define ITCT_HDR_INLT_MSK		(0xffffULL << ITCT_HDR_INLT_OFF)
+#define ITCT_HDR_RTOLT_OFF		48
+#define ITCT_HDR_RTOLT_MSK		(0xffffULL << ITCT_HDR_RTOLT_OFF)
+
+struct hisi_sas_protect_iu_v3_hw {
+	u32 dw0;
+	u32 lbrtcv;
+	u32 lbrtgv;
+	u32 dw3;
+	u32 dw4;
+	u32 dw5;
+	u32 rsv;
+};
+
+struct hisi_sas_complete_v3_hdr {
+	__le32 dw0;
+	__le32 dw1;
+	__le32 act;
+	__le32 dw3;
+};
+
+struct hisi_sas_err_record_v3 {
+	/* dw0 */
+	__le32 trans_tx_fail_type;
+
+	/* dw1 */
+	__le32 trans_rx_fail_type;
+
+	/* dw2 */
+	__le16 dma_tx_err_type;
+	__le16 sipc_rx_err_type;
+
+	/* dw3 */
+	__le32 dma_rx_err_type;
+};
+
+#define RX_DATA_LEN_UNDERFLOW_OFF	6
+#define RX_DATA_LEN_UNDERFLOW_MSK	(1 << RX_DATA_LEN_UNDERFLOW_OFF)
+
+#define RX_FIS_STATUS_ERR_OFF		0
+#define RX_FIS_STATUS_ERR_MSK		(1 << RX_FIS_STATUS_ERR_OFF)
+
+#define HISI_SAS_COMMAND_ENTRIES_V3_HW 4096
+#define HISI_SAS_MSI_COUNT_V3_HW 32
+
+#define DIR_NO_DATA 0
+#define DIR_TO_INI 1
+#define DIR_TO_DEVICE 2
+#define DIR_RESERVED 3
+
+#define FIS_CMD_IS_UNCONSTRAINED(fis) \
+	((fis.command == ATA_CMD_READ_LOG_EXT) || \
+	(fis.command == ATA_CMD_READ_LOG_DMA_EXT) || \
+	((fis.command == ATA_CMD_DEV_RESET) && \
+	((fis.control & ATA_SRST) != 0)))
+
+#define T10_INSRT_EN_OFF    0
+#define T10_INSRT_EN_MSK    (1 << T10_INSRT_EN_OFF)
+#define T10_RMV_EN_OFF	    1
+#define T10_RMV_EN_MSK	    (1 << T10_RMV_EN_OFF)
+#define T10_RPLC_EN_OFF	    2
+#define T10_RPLC_EN_MSK	    (1 << T10_RPLC_EN_OFF)
+#define T10_CHK_EN_OFF	    3
+#define T10_CHK_EN_MSK	    (1 << T10_CHK_EN_OFF)
+#define INCR_LBRT_OFF	    5
+#define INCR_LBRT_MSK	    (1 << INCR_LBRT_OFF)
+#define USR_DATA_BLOCK_SZ_OFF	20
+#define USR_DATA_BLOCK_SZ_MSK	(0x3 << USR_DATA_BLOCK_SZ_OFF)
+#define T10_CHK_MSK_OFF	    16
+#define T10_CHK_REF_TAG_MSK (0xf0 << T10_CHK_MSK_OFF)
+#define T10_CHK_APP_TAG_MSK (0xc << T10_CHK_MSK_OFF)
+
+#define BASE_VECTORS_V3_HW  16
+#define MIN_AFFINE_VECTORS_V3_HW  (BASE_VECTORS_V3_HW + 1)
+
+#define CHNL_INT_STS_MSK	0xeeeeeeee
+#define CHNL_INT_STS_PHY_MSK	0xe
+#define CHNL_INT_STS_INT0_MSK BIT(1)
+#define CHNL_INT_STS_INT1_MSK BIT(2)
+#define CHNL_INT_STS_INT2_MSK BIT(3)
+#define CHNL_WIDTH 4
+
+#define BAR_NO_V3_HW	5
+
+enum {
+	DSM_FUNC_ERR_HANDLE_MSI = 0,
+};
+
+static bool hisi_sas_intr_conv;
+MODULE_PARM_DESC(intr_conv, "interrupt converge enable (0-1)");
+
+/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
+static int prot_mask;
+module_param(prot_mask, int, 0444);
+MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=0x0 ");
+
+static void debugfs_work_handler_v3_hw(struct work_struct *work);
+static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba);
+
+static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	return readl(regs);
+}
+
+static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + off;
+
+	writel(val, regs);
+}
+
+static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
+				 u32 off, u32 val)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	writel(val, regs);
+}
+
+static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
+				      int phy_no, u32 off)
+{
+	void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
+
+	return readl(regs);
+}
+
+#define hisi_sas_read32_poll_timeout(off, val, cond, delay_us,		\
+				     timeout_us)			\
+({									\
+	void __iomem *regs = hisi_hba->regs + off;			\
+	readl_poll_timeout(regs, val, cond, delay_us, timeout_us);	\
+})
+
+#define hisi_sas_read32_poll_timeout_atomic(off, val, cond, delay_us,	\
+					    timeout_us)			\
+({									\
+	void __iomem *regs = hisi_hba->regs + off;			\
+	readl_poll_timeout_atomic(regs, val, cond, delay_us, timeout_us);\
+})
+
+static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int i, j;
+
+	/* Global registers init */
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
+			 (u32)((1ULL << hisi_hba->queue_count) - 1));
+	hisi_sas_write32(hisi_hba, SAS_AXI_USER3, 0);
+	hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff0400);
+	hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
+	hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
+	hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
+	hisi_sas_write32(hisi_hba, CQ_INT_CONVERGE_EN,
+			 hisi_sas_intr_conv);
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xfefefefe);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xfefefefe);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffc220ff);
+	hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0);
+	hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0);
+	hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x155555);
+	hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0);
+	hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0);
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0);
+
+	hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		enum sas_linkrate max;
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+		u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, i,
+							   PROG_PHY_LINK_RATE);
+
+		prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
+		if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
+				SAS_LINK_RATE_1_5_GBPS))
+			max = SAS_LINK_RATE_12_0_GBPS;
+		else
+			max = sas_phy->phy->maximum_linkrate;
+		prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
+		hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
+			prog_phy_link_rate);
+		hisi_sas_phy_write32(hisi_hba, i, SERDES_CFG, 0xffc00);
+		hisi_sas_phy_write32(hisi_hba, i, SAS_RX_TRAIN_TIMER, 0x13e80);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xf2057fff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffbfe);
+		hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
+		hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120);
+		hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
+		hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
+		hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME,
+				     0x30f4240);
+		/* used for 12G negotiate */
+		hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
+		hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff);
+
+		/* get default FFE configuration for BIST */
+		for (j = 0; j < FFE_CFG_MAX; j++) {
+			u32 val = hisi_sas_phy_read32(hisi_hba, i,
+						      TXDEEMPH_G1 + (j * 0x4));
+			hisi_hba->debugfs_bist_ffe[i][j] = val;
+		}
+	}
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		/* Delivery queue */
+		hisi_sas_write32(hisi_hba,
+				 DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+
+		/* Completion queue */
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
+				 upper_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
+				 lower_32_bits(hisi_hba->complete_hdr_dma[i]));
+
+		hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
+				 HISI_SAS_QUEUE_SLOTS);
+	}
+
+	/* itct */
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->itct_dma));
+
+	hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->itct_dma));
+
+	/* iost */
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
+			 lower_32_bits(hisi_hba->iost_dma));
+
+	hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
+			 upper_32_bits(hisi_hba->iost_dma));
+
+	/* breakpoint */
+	hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
+			 lower_32_bits(hisi_hba->breakpoint_dma));
+
+	hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
+			 upper_32_bits(hisi_hba->breakpoint_dma));
+
+	/* SATA broken msg */
+	hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
+			 lower_32_bits(hisi_hba->sata_breakpoint_dma));
+
+	hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
+			 upper_32_bits(hisi_hba->sata_breakpoint_dma));
+
+	/* SATA initial fis */
+	hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
+			 lower_32_bits(hisi_hba->initial_fis_dma));
+
+	hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
+			 upper_32_bits(hisi_hba->initial_fis_dma));
+
+	/* RAS registers init */
+	hisi_sas_write32(hisi_hba, SAS_RAS_INTR0_MASK, 0x0);
+	hisi_sas_write32(hisi_hba, SAS_RAS_INTR1_MASK, 0x0);
+	hisi_sas_write32(hisi_hba, SAS_RAS_INTR2_MASK, 0x0);
+	hisi_sas_write32(hisi_hba, CFG_SAS_RAS_INTR_MASK, 0x0);
+
+	/* LED registers init */
+	hisi_sas_write32(hisi_hba, SAS_CFG_DRIVE_VLD, 0x80000ff);
+	hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1, 0x80808080);
+	hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1 + 0x4, 0x80808080);
+	/* Configure blink generator rate A to 1Hz and B to 4Hz */
+	hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_1, 0x121700);
+	hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_0, 0x800000);
+}
+
+static void config_phy_opt_mode_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg &= ~PHY_CFG_DC_OPT_MSK;
+	cfg |= 1 << PHY_CFG_DC_OPT_OFF;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void config_id_frame_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct sas_identify_frame identify_frame;
+	u32 *identify_buffer;
+
+	memset(&identify_frame, 0, sizeof(identify_frame));
+	identify_frame.dev_type = SAS_END_DEVICE;
+	identify_frame.frame_type = 0;
+	identify_frame._un1 = 1;
+	identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
+	identify_frame.target_bits = SAS_PROTOCOL_NONE;
+	memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
+	memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr,	SAS_ADDR_SIZE);
+	identify_frame.phy_id = phy_no;
+	identify_buffer = (u32 *)(&identify_frame);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
+			__swab32(identify_buffer[0]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
+			__swab32(identify_buffer[1]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
+			__swab32(identify_buffer[2]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
+			__swab32(identify_buffer[3]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
+			__swab32(identify_buffer[4]));
+	hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
+			__swab32(identify_buffer[5]));
+}
+
+static void setup_itct_v3_hw(struct hisi_hba *hisi_hba,
+			     struct hisi_sas_device *sas_dev)
+{
+	struct domain_device *device = sas_dev->sas_device;
+	struct device *dev = hisi_hba->dev;
+	u64 qw0, device_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
+	struct domain_device *parent_dev = device->parent;
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+	u64 sas_addr;
+
+	memset(itct, 0, sizeof(*itct));
+
+	/* qw0 */
+	qw0 = 0;
+	switch (sas_dev->dev_type) {
+	case SAS_END_DEVICE:
+	case SAS_EDGE_EXPANDER_DEVICE:
+	case SAS_FANOUT_EXPANDER_DEVICE:
+		qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
+		break;
+	case SAS_SATA_DEV:
+	case SAS_SATA_PENDING:
+		if (parent_dev && dev_is_expander(parent_dev->dev_type))
+			qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
+		else
+			qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
+		break;
+	default:
+		dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
+			 sas_dev->dev_type);
+	}
+
+	qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
+		(device->linkrate << ITCT_HDR_MCR_OFF) |
+		(1 << ITCT_HDR_VLN_OFF) |
+		(0xfa << ITCT_HDR_SMP_TIMEOUT_OFF) |
+		(1 << ITCT_HDR_AWT_CONTINUE_OFF) |
+		(port->id << ITCT_HDR_PORT_ID_OFF));
+	itct->qw0 = cpu_to_le64(qw0);
+
+	/* qw1 */
+	memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
+	itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
+
+	/* qw2 */
+	if (!dev_is_sata(device))
+		itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
+					(0x1ULL << ITCT_HDR_RTOLT_OFF));
+}
+
+static int clear_itct_v3_hw(struct hisi_hba *hisi_hba,
+			    struct hisi_sas_device *sas_dev)
+{
+	DECLARE_COMPLETION_ONSTACK(completion);
+	u64 dev_id = sas_dev->device_id;
+	struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
+	u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
+	struct device *dev = hisi_hba->dev;
+
+	sas_dev->completion = &completion;
+
+	/* clear the itct interrupt state */
+	if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
+		hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+				 ENT_INT_SRC3_ITC_INT_MSK);
+
+	/* clear the itct table */
+	reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
+	hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
+
+	if (!wait_for_completion_timeout(sas_dev->completion,
+					 HISI_SAS_CLEAR_ITCT_TIMEOUT)) {
+		dev_warn(dev, "failed to clear ITCT\n");
+		return -ETIMEDOUT;
+	}
+
+	memset(itct, 0, sizeof(struct hisi_sas_itct));
+	return 0;
+}
+
+static void dereg_device_v3_hw(struct hisi_hba *hisi_hba,
+				struct domain_device *device)
+{
+	struct hisi_sas_slot *slot, *slot2;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	u32 cfg_abt_set_query_iptt;
+
+	cfg_abt_set_query_iptt = hisi_sas_read32(hisi_hba,
+		CFG_ABT_SET_QUERY_IPTT);
+	list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry) {
+		cfg_abt_set_query_iptt &= ~CFG_SET_ABORTED_IPTT_MSK;
+		cfg_abt_set_query_iptt |= (1 << CFG_SET_ABORTED_EN_OFF) |
+			(slot->idx << CFG_SET_ABORTED_IPTT_OFF);
+		hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
+			cfg_abt_set_query_iptt);
+	}
+	cfg_abt_set_query_iptt &= ~(1 << CFG_SET_ABORTED_EN_OFF);
+	hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
+		cfg_abt_set_query_iptt);
+	hisi_sas_write32(hisi_hba, CFG_ABT_SET_IPTT_DONE,
+					1 << CFG_ABT_SET_IPTT_DONE_OFF);
+}
+
+static int reset_hw_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int ret;
+	u32 val;
+
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
+
+	/* Disable all of the PHYs */
+	hisi_sas_stop_phys(hisi_hba);
+	udelay(50);
+
+	/* Ensure axi bus idle */
+	ret = hisi_sas_read32_poll_timeout(AXI_CFG, val, !val,
+					   20000, 1000000);
+	if (ret) {
+		dev_err(dev, "axi bus is not idle, ret = %d!\n", ret);
+		return -EIO;
+	}
+
+	if (ACPI_HANDLE(dev)) {
+		acpi_status s;
+
+		s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
+		if (ACPI_FAILURE(s)) {
+			dev_err(dev, "Reset failed\n");
+			return -EIO;
+		}
+	} else {
+		dev_err(dev, "no reset method!\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	struct acpi_device *acpi_dev;
+	union acpi_object *obj;
+	guid_t guid;
+	int rc;
+
+	rc = reset_hw_v3_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
+		return rc;
+	}
+
+	msleep(100);
+	init_reg_v3_hw(hisi_hba);
+
+	if (guid_parse("D5918B4B-37AE-4E10-A99F-E5E8A6EF4C1F", &guid)) {
+		dev_err(dev, "Parse GUID failed\n");
+		return -EINVAL;
+	}
+
+	/*
+	 * This DSM handles some hardware-related configurations:
+	 * 1. Switch over to MSI error handling in kernel
+	 * 2. BIOS *may* reset some register values through this method
+	 */
+	obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &guid, 0,
+				DSM_FUNC_ERR_HANDLE_MSI, NULL);
+	if (!obj)
+		dev_warn(dev, "can not find DSM method, ignore\n");
+	else
+		ACPI_FREE(obj);
+
+	acpi_dev = ACPI_COMPANION(dev);
+	if (!acpi_device_power_manageable(acpi_dev))
+		dev_notice(dev, "neither _PS0 nor _PR0 is defined\n");
+	return 0;
+}
+
+static void enable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+
+	cfg |= PHY_CFG_ENA_MSK;
+	cfg &= ~PHY_CFG_PHY_RST_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+}
+
+static void disable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
+	u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
+	static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
+			       BIT(CHL_INT2_RX_CODE_ERR_OFF) |
+			       BIT(CHL_INT2_RX_INVLD_DW_OFF);
+	u32 state;
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, msk | irq_msk);
+
+	cfg &= ~PHY_CFG_ENA_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+
+	mdelay(50);
+
+	state = hisi_sas_read32(hisi_hba, PHY_STATE);
+	if (state & BIT(phy_no)) {
+		cfg |= PHY_CFG_PHY_RST_MSK;
+		hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
+	}
+
+	udelay(1);
+
+	hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
+	hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
+	hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, msk);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, irq_msk);
+}
+
+static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	config_id_frame_v3_hw(hisi_hba, phy_no);
+	config_phy_opt_mode_v3_hw(hisi_hba, phy_no);
+	enable_phy_v3_hw(hisi_hba, phy_no);
+}
+
+static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	u32 txid_auto;
+
+	hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+	if (phy->identify.device_type == SAS_END_DEVICE) {
+		txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
+		hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+					txid_auto | TX_HARDRST_MSK);
+	}
+	msleep(100);
+	hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+}
+
+static enum sas_linkrate phy_get_max_linkrate_v3_hw(void)
+{
+	return SAS_LINK_RATE_12_0_GBPS;
+}
+
+static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[i];
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+
+		if (!sas_phy->phy->enabled)
+			continue;
+
+		hisi_sas_phy_enable(hisi_hba, i, 1);
+	}
+}
+
+static void sl_notify_ssp_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 sl_control;
+
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+	msleep(1);
+	sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
+}
+
+static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id)
+{
+	int i, bitmap = 0;
+	u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+	u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+
+	for (i = 0; i < hisi_hba->n_phy; i++)
+		if (phy_state & BIT(i))
+			if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
+				bitmap |= BIT(i);
+
+	return bitmap;
+}
+
+static void start_delivery_v3_hw(struct hisi_sas_dq *dq)
+{
+	struct hisi_hba *hisi_hba = dq->hisi_hba;
+	struct hisi_sas_slot *s, *s1, *s2 = NULL;
+	int dlvry_queue = dq->id;
+	int wp;
+
+	list_for_each_entry_safe(s, s1, &dq->list, delivery) {
+		if (!s->ready)
+			break;
+		s2 = s;
+		list_del(&s->delivery);
+	}
+
+	if (!s2)
+		return;
+
+	/*
+	 * Ensure that memories for slots built on other CPUs is observed.
+	 */
+	smp_rmb();
+	wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
+
+	hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
+}
+
+static void prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba,
+			      struct hisi_sas_slot *slot,
+			      struct hisi_sas_cmd_hdr *hdr,
+			      struct scatterlist *scatter,
+			      int n_elem)
+{
+	struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
+	struct scatterlist *sg;
+	int i;
+
+	for_each_sg(scatter, sg, n_elem, i) {
+		struct hisi_sas_sge *entry = &sge_page->sge[i];
+
+		entry->addr = cpu_to_le64(sg_dma_address(sg));
+		entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
+		entry->data_len = cpu_to_le32(sg_dma_len(sg));
+		entry->data_off = 0;
+	}
+
+	hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
+
+	hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
+}
+
+static void prep_prd_sge_dif_v3_hw(struct hisi_hba *hisi_hba,
+				   struct hisi_sas_slot *slot,
+				   struct hisi_sas_cmd_hdr *hdr,
+				   struct scatterlist *scatter,
+				   int n_elem)
+{
+	struct hisi_sas_sge_dif_page *sge_dif_page;
+	struct scatterlist *sg;
+	int i;
+
+	sge_dif_page = hisi_sas_sge_dif_addr_mem(slot);
+
+	for_each_sg(scatter, sg, n_elem, i) {
+		struct hisi_sas_sge *entry = &sge_dif_page->sge[i];
+
+		entry->addr = cpu_to_le64(sg_dma_address(sg));
+		entry->page_ctrl_0 = 0;
+		entry->page_ctrl_1 = 0;
+		entry->data_len = cpu_to_le32(sg_dma_len(sg));
+		entry->data_off = 0;
+	}
+
+	hdr->dif_prd_table_addr =
+		cpu_to_le64(hisi_sas_sge_dif_addr_dma(slot));
+
+	hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DIF_SGL_LEN_OFF);
+}
+
+static u32 get_prot_chk_msk_v3_hw(struct scsi_cmnd *scsi_cmnd)
+{
+	unsigned char prot_flags = scsi_cmnd->prot_flags;
+
+	if (prot_flags & SCSI_PROT_REF_CHECK)
+		return T10_CHK_APP_TAG_MSK;
+	return T10_CHK_REF_TAG_MSK | T10_CHK_APP_TAG_MSK;
+}
+
+static void fill_prot_v3_hw(struct scsi_cmnd *scsi_cmnd,
+			    struct hisi_sas_protect_iu_v3_hw *prot)
+{
+	unsigned char prot_op = scsi_get_prot_op(scsi_cmnd);
+	unsigned int interval = scsi_prot_interval(scsi_cmnd);
+	u32 lbrt_chk_val = t10_pi_ref_tag(scsi_cmd_to_rq(scsi_cmnd));
+
+	switch (prot_op) {
+	case SCSI_PROT_READ_INSERT:
+		prot->dw0 |= T10_INSRT_EN_MSK;
+		prot->lbrtgv = lbrt_chk_val;
+		break;
+	case SCSI_PROT_READ_STRIP:
+		prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
+		prot->lbrtcv = lbrt_chk_val;
+		prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
+		break;
+	case SCSI_PROT_READ_PASS:
+		prot->dw0 |= T10_CHK_EN_MSK;
+		prot->lbrtcv = lbrt_chk_val;
+		prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
+		break;
+	case SCSI_PROT_WRITE_INSERT:
+		prot->dw0 |= T10_INSRT_EN_MSK;
+		prot->lbrtgv = lbrt_chk_val;
+		break;
+	case SCSI_PROT_WRITE_STRIP:
+		prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
+		prot->lbrtcv = lbrt_chk_val;
+		break;
+	case SCSI_PROT_WRITE_PASS:
+		prot->dw0 |= T10_CHK_EN_MSK;
+		prot->lbrtcv = lbrt_chk_val;
+		prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
+		break;
+	default:
+		WARN(1, "prot_op(0x%x) is not valid\n", prot_op);
+		break;
+	}
+
+	switch (interval) {
+	case 512:
+		break;
+	case 4096:
+		prot->dw0 |= (0x1 << USR_DATA_BLOCK_SZ_OFF);
+		break;
+	case 520:
+		prot->dw0 |= (0x2 << USR_DATA_BLOCK_SZ_OFF);
+		break;
+	default:
+		WARN(1, "protection interval (0x%x) invalid\n",
+		     interval);
+		break;
+	}
+
+	prot->dw0 |= INCR_LBRT_MSK;
+}
+
+static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_sas_port *port = slot->port;
+	struct sas_ssp_task *ssp_task = &task->ssp_task;
+	struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
+	struct sas_tmf_task *tmf = slot->tmf;
+	int has_data = 0, priority = !!tmf;
+	unsigned char prot_op;
+	u8 *buf_cmd;
+	u32 dw1 = 0, dw2 = 0, len = 0;
+
+	hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
+			       (2 << CMD_HDR_TLR_CTRL_OFF) |
+			       (port->id << CMD_HDR_PORT_OFF) |
+			       (priority << CMD_HDR_PRIORITY_OFF) |
+			       (1 << CMD_HDR_CMD_OFF)); /* ssp */
+
+	dw1 = 1 << CMD_HDR_VDTL_OFF;
+	if (tmf) {
+		dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
+		dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
+	} else {
+		prot_op = scsi_get_prot_op(scsi_cmnd);
+		dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
+		switch (scsi_cmnd->sc_data_direction) {
+		case DMA_TO_DEVICE:
+			has_data = 1;
+			dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
+			break;
+		case DMA_FROM_DEVICE:
+			has_data = 1;
+			dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
+			break;
+		default:
+			dw1 &= ~CMD_HDR_DIR_MSK;
+		}
+	}
+
+	/* map itct entry */
+	dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
+
+	dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr)
+	      + 3) / 4) << CMD_HDR_CFL_OFF) |
+	      ((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) |
+	      (2 << CMD_HDR_SG_MOD_OFF);
+	hdr->dw2 = cpu_to_le32(dw2);
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+
+	if (has_data) {
+		prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
+				   slot->n_elem);
+
+		if (scsi_prot_sg_count(scsi_cmnd))
+			prep_prd_sge_dif_v3_hw(hisi_hba, slot, hdr,
+					       scsi_prot_sglist(scsi_cmnd),
+					       slot->n_elem_dif);
+	}
+
+	hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+
+	buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
+		sizeof(struct ssp_frame_hdr);
+
+	memcpy(buf_cmd, &task->ssp_task.LUN, 8);
+	if (!tmf) {
+		buf_cmd[9] = ssp_task->task_attr | (ssp_task->task_prio << 3);
+		memcpy(buf_cmd + 12, scsi_cmnd->cmnd, scsi_cmnd->cmd_len);
+	} else {
+		buf_cmd[10] = tmf->tmf;
+		switch (tmf->tmf) {
+		case TMF_ABORT_TASK:
+		case TMF_QUERY_TASK:
+			buf_cmd[12] =
+				(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
+			buf_cmd[13] =
+				tmf->tag_of_task_to_be_managed & 0xff;
+			break;
+		default:
+			break;
+		}
+	}
+
+	if (has_data && (prot_op != SCSI_PROT_NORMAL)) {
+		struct hisi_sas_protect_iu_v3_hw prot;
+		u8 *buf_cmd_prot;
+
+		hdr->dw7 |= cpu_to_le32(1 << CMD_HDR_ADDR_MODE_SEL_OFF);
+		dw1 |= CMD_HDR_PIR_MSK;
+		buf_cmd_prot = hisi_sas_cmd_hdr_addr_mem(slot) +
+			       sizeof(struct ssp_frame_hdr) +
+			       sizeof(struct ssp_command_iu);
+
+		memset(&prot, 0, sizeof(struct hisi_sas_protect_iu_v3_hw));
+		fill_prot_v3_hw(scsi_cmnd, &prot);
+		memcpy(buf_cmd_prot, &prot,
+		       sizeof(struct hisi_sas_protect_iu_v3_hw));
+		/*
+		 * For READ, we need length of info read to memory, while for
+		 * WRITE we need length of data written to the disk.
+		 */
+		if (prot_op == SCSI_PROT_WRITE_INSERT ||
+		    prot_op == SCSI_PROT_READ_INSERT ||
+		    prot_op == SCSI_PROT_WRITE_PASS ||
+		    prot_op == SCSI_PROT_READ_PASS) {
+			unsigned int interval = scsi_prot_interval(scsi_cmnd);
+			unsigned int ilog2_interval = ilog2(interval);
+
+			len = (task->total_xfer_len >> ilog2_interval) * 8;
+		}
+	}
+
+	hdr->dw1 = cpu_to_le32(dw1);
+
+	hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len + len);
+}
+
+static void prep_smp_v3_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct domain_device *device = task->dev;
+	struct hisi_sas_port *port = slot->port;
+	struct scatterlist *sg_req;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	dma_addr_t req_dma_addr;
+	unsigned int req_len;
+
+	/* req */
+	sg_req = &task->smp_task.smp_req;
+	req_len = sg_dma_len(sg_req);
+	req_dma_addr = sg_dma_address(sg_req);
+
+	/* create header */
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
+			       (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
+			       (2 << CMD_HDR_CMD_OFF)); /* smp */
+
+	/* map itct entry */
+	hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
+			       (1 << CMD_HDR_FRAME_TYPE_OFF) |
+			       (DIR_NO_DATA << CMD_HDR_DIR_OFF));
+
+	/* dw2 */
+	hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) |
+			       (HISI_SAS_MAX_SMP_RESP_SZ / 4 <<
+			       CMD_HDR_MRFL_OFF));
+
+	hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
+
+	hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+}
+
+static void prep_ata_v3_hw(struct hisi_hba *hisi_hba,
+			  struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct domain_device *device = task->dev;
+	struct domain_device *parent_dev = device->parent;
+	struct hisi_sas_device *sas_dev = device->lldd_dev;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct asd_sas_port *sas_port = device->port;
+	struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
+	u8 *buf_cmd;
+	int has_data = 0, hdr_tag = 0;
+	u32 dw1 = 0, dw2 = 0;
+
+	hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF);
+	if (parent_dev && dev_is_expander(parent_dev->dev_type))
+		hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF);
+	else
+		hdr->dw0 |= cpu_to_le32(4U << CMD_HDR_CMD_OFF);
+
+	switch (task->data_dir) {
+	case DMA_TO_DEVICE:
+		has_data = 1;
+		dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
+		break;
+	case DMA_FROM_DEVICE:
+		has_data = 1;
+		dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
+		break;
+	default:
+		dw1 &= ~CMD_HDR_DIR_MSK;
+	}
+
+	if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
+			(task->ata_task.fis.control & ATA_SRST))
+		dw1 |= 1 << CMD_HDR_RESET_OFF;
+
+	dw1 |= (hisi_sas_get_ata_protocol(
+		&task->ata_task.fis, task->data_dir))
+		<< CMD_HDR_FRAME_TYPE_OFF;
+	dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
+
+	if (FIS_CMD_IS_UNCONSTRAINED(task->ata_task.fis))
+		dw1 |= 1 << CMD_HDR_UNCON_CMD_OFF;
+
+	hdr->dw1 = cpu_to_le32(dw1);
+
+	/* dw2 */
+	if (task->ata_task.use_ncq) {
+		struct ata_queued_cmd *qc = task->uldd_task;
+
+		hdr_tag = qc->tag;
+		task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
+		dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
+	}
+
+	dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF |
+			2 << CMD_HDR_SG_MOD_OFF;
+	hdr->dw2 = cpu_to_le32(dw2);
+
+	/* dw3 */
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+
+	if (has_data)
+		prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
+					slot->n_elem);
+
+	hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
+	hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
+	hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
+
+	buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
+
+	if (likely(!task->ata_task.device_control_reg_update))
+		task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
+	/* fill in command FIS */
+	memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
+}
+
+static void prep_abort_v3_hw(struct hisi_hba *hisi_hba,
+			     struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct sas_internal_abort_task *abort = &task->abort_task;
+	struct domain_device *dev = task->dev;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct hisi_sas_port *port = slot->port;
+	struct hisi_sas_device *sas_dev = dev->lldd_dev;
+	bool sata = dev_is_sata(dev);
+
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /* abort */
+			       (port->id << CMD_HDR_PORT_OFF) |
+				(sata << CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
+				(abort->type << CMD_HDR_ABORT_FLAG_OFF));
+
+	/* dw1 */
+	hdr->dw1 = cpu_to_le32(sas_dev->device_id
+			<< CMD_HDR_DEV_ID_OFF);
+
+	/* dw7 */
+	hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF);
+	hdr->transfer_tags = cpu_to_le32(slot->idx);
+}
+
+static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	int i;
+	irqreturn_t res;
+	u32 context, port_id, link_rate;
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct device *dev = hisi_hba->dev;
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
+
+	port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+	port_id = (port_id >> (4 * phy_no)) & 0xf;
+	link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
+	link_rate = (link_rate >> (phy_no * 4)) & 0xf;
+
+	if (port_id == 0xf) {
+		dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
+		res = IRQ_NONE;
+		goto end;
+	}
+	sas_phy->linkrate = link_rate;
+	phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
+
+	/* Check for SATA dev */
+	context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
+	if (context & (1 << phy_no)) {
+		struct hisi_sas_initial_fis *initial_fis;
+		struct dev_to_host_fis *fis;
+		u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
+		struct Scsi_Host *shost = hisi_hba->shost;
+
+		dev_info(dev, "phyup: phy%d link_rate=%d(sata)\n", phy_no, link_rate);
+		initial_fis = &hisi_hba->initial_fis[phy_no];
+		fis = &initial_fis->fis;
+
+		/* check ERR bit of Status Register */
+		if (fis->status & ATA_ERR) {
+			dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n",
+				 phy_no, fis->status);
+			hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+			res = IRQ_NONE;
+			goto end;
+		}
+
+		sas_phy->oob_mode = SATA_OOB_MODE;
+		attached_sas_addr[0] = 0x50;
+		attached_sas_addr[6] = shost->host_no;
+		attached_sas_addr[7] = phy_no;
+		memcpy(sas_phy->attached_sas_addr,
+		       attached_sas_addr,
+		       SAS_ADDR_SIZE);
+		memcpy(sas_phy->frame_rcvd, fis,
+		       sizeof(struct dev_to_host_fis));
+		phy->phy_type |= PORT_TYPE_SATA;
+		phy->identify.device_type = SAS_SATA_DEV;
+		phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
+		phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
+	} else {
+		u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
+		struct sas_identify_frame *id =
+			(struct sas_identify_frame *)frame_rcvd;
+
+		dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate);
+		for (i = 0; i < 6; i++) {
+			u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
+					       RX_IDAF_DWORD0 + (i * 4));
+			frame_rcvd[i] = __swab32(idaf);
+		}
+		sas_phy->oob_mode = SAS_OOB_MODE;
+		memcpy(sas_phy->attached_sas_addr,
+		       &id->sas_addr,
+		       SAS_ADDR_SIZE);
+		phy->phy_type |= PORT_TYPE_SAS;
+		phy->identify.device_type = id->dev_type;
+		phy->frame_rcvd_size = sizeof(struct sas_identify_frame);
+		if (phy->identify.device_type == SAS_END_DEVICE)
+			phy->identify.target_port_protocols =
+				SAS_PROTOCOL_SSP;
+		else if (phy->identify.device_type != SAS_PHY_UNUSED)
+			phy->identify.target_port_protocols =
+				SAS_PROTOCOL_SMP;
+	}
+
+	phy->port_id = port_id;
+
+	/*
+	 * Call pm_runtime_get_noresume() which pairs with
+	 * hisi_sas_phyup_pm_work() -> pm_runtime_put_sync().
+	 * For failure call pm_runtime_put() as we are in a hardirq context.
+	 */
+	pm_runtime_get_noresume(dev);
+	res = hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP_PM);
+	if (!res)
+		pm_runtime_put(dev);
+
+	res = IRQ_HANDLED;
+
+	spin_lock(&phy->lock);
+	/* Delete timer and set phy_attached atomically */
+	del_timer(&phy->timer);
+	phy->phy_attached = 1;
+	spin_unlock(&phy->lock);
+end:
+	if (phy->reset_completion)
+		complete(phy->reset_completion);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
+			     CHL_INT0_SL_PHY_ENABLE_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
+
+	return res;
+}
+
+static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	u32 phy_state, sl_ctrl, txid_auto;
+	struct device *dev = hisi_hba->dev;
+
+	atomic_inc(&phy->down_cnt);
+
+	del_timer(&phy->timer);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
+
+	phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+	dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state);
+	hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0,
+			  GFP_ATOMIC);
+
+	sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
+						sl_ctrl&(~SL_CTA_MSK));
+
+	txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
+	hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
+						txid_auto | CT3_MSK);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	u32 bcast_status;
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
+	bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
+	if (bcast_status & RX_BCAST_CHG_MSK)
+		hisi_sas_phy_bcast(phy);
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
+			     CHL_INT0_SL_RX_BCST_ACK_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	u32 irq_msk;
+	int phy_no = 0;
+	irqreturn_t res = IRQ_NONE;
+
+	irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
+				& 0x11111111;
+	while (irq_msk) {
+		if (irq_msk  & 1) {
+			u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no,
+							    CHL_INT0);
+			u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
+			int rdy = phy_state & (1 << phy_no);
+
+			if (rdy) {
+				if (irq_value & CHL_INT0_SL_PHY_ENABLE_MSK)
+					/* phy up */
+					if (phy_up_v3_hw(phy_no, hisi_hba)
+							== IRQ_HANDLED)
+						res = IRQ_HANDLED;
+				if (irq_value & CHL_INT0_SL_RX_BCST_ACK_MSK)
+					/* phy bcast */
+					if (phy_bcast_v3_hw(phy_no, hisi_hba)
+							== IRQ_HANDLED)
+						res = IRQ_HANDLED;
+			} else {
+				if (irq_value & CHL_INT0_NOT_RDY_MSK)
+					/* phy down */
+					if (phy_down_v3_hw(phy_no, hisi_hba)
+							== IRQ_HANDLED)
+						res = IRQ_HANDLED;
+			}
+		}
+		irq_msk >>= 4;
+		phy_no++;
+	}
+
+	return res;
+}
+
+static const struct hisi_sas_hw_error port_axi_error[] = {
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF),
+		.msg = "dmac_tx_ecc_bad_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF),
+		.msg = "dmac_rx_ecc_bad_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
+		.msg = "dma_tx_axi_wr_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
+		.msg = "dma_tx_axi_rd_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
+		.msg = "dma_rx_axi_wr_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
+		.msg = "dma_rx_axi_rd_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_FIFO_ERR_OFF),
+		.msg = "dma_tx_fifo_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_FIFO_ERR_OFF),
+		.msg = "dma_rx_fifo_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF),
+		.msg = "dma_tx_axi_ruser_err",
+	},
+	{
+		.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF),
+		.msg = "dma_rx_axi_ruser_err",
+	},
+};
+
+static void handle_chl_int1_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1);
+	u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1_MSK);
+	struct device *dev = hisi_hba->dev;
+	int i;
+
+	irq_value &= ~irq_msk;
+	if (!irq_value) {
+		dev_warn(dev, "phy%d channel int 1 received with status bits cleared\n",
+			 phy_no);
+		return;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(port_axi_error); i++) {
+		const struct hisi_sas_hw_error *error = &port_axi_error[i];
+
+		if (!(irq_value & error->irq_msk))
+			continue;
+
+		dev_err(dev, "%s error (phy%d 0x%x) found!\n",
+			error->msg, phy_no, irq_value);
+		queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+	}
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT1, irq_value);
+}
+
+static void phy_get_events_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct asd_sas_phy *sas_phy = &phy->sas_phy;
+	struct sas_phy *sphy = sas_phy->phy;
+	unsigned long flags;
+	u32 reg_value;
+
+	spin_lock_irqsave(&phy->lock, flags);
+
+	/* loss dword sync */
+	reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DWS_LOST);
+	sphy->loss_of_dword_sync_count += reg_value;
+
+	/* phy reset problem */
+	reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_RESET_PROB);
+	sphy->phy_reset_problem_count += reg_value;
+
+	/* invalid dword */
+	reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
+	sphy->invalid_dword_count += reg_value;
+
+	/* disparity err */
+	reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
+	sphy->running_disparity_error_count += reg_value;
+
+	/* code violation error */
+	reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
+	phy->code_violation_err_count += reg_value;
+
+	spin_unlock_irqrestore(&phy->lock, flags);
+}
+
+static void handle_chl_int2_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
+	u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
+	struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+	struct pci_dev *pci_dev = hisi_hba->pci_dev;
+	struct device *dev = hisi_hba->dev;
+	static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
+			BIT(CHL_INT2_RX_CODE_ERR_OFF) |
+			BIT(CHL_INT2_RX_INVLD_DW_OFF);
+
+	irq_value &= ~irq_msk;
+	if (!irq_value) {
+		dev_warn(dev, "phy%d channel int 2 received with status bits cleared\n",
+			 phy_no);
+		return;
+	}
+
+	if (irq_value & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
+		dev_warn(dev, "phy%d identify timeout\n", phy_no);
+		hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+	}
+
+	if (irq_value & BIT(CHL_INT2_STP_LINK_TIMEOUT_OFF)) {
+		u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
+				STP_LINK_TIMEOUT_STATE);
+
+		dev_warn(dev, "phy%d stp link timeout (0x%x)\n",
+			 phy_no, reg_value);
+		if (reg_value & BIT(4))
+			hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+	}
+
+	if (pci_dev->revision > 0x20 && (irq_value & msk)) {
+		struct asd_sas_phy *sas_phy = &phy->sas_phy;
+		struct sas_phy *sphy = sas_phy->phy;
+
+		phy_get_events_v3_hw(hisi_hba, phy_no);
+
+		if (irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF))
+			dev_info(dev, "phy%d invalid dword cnt:   %u\n", phy_no,
+				 sphy->invalid_dword_count);
+
+		if (irq_value & BIT(CHL_INT2_RX_CODE_ERR_OFF))
+			dev_info(dev, "phy%d code violation cnt:  %u\n", phy_no,
+				 phy->code_violation_err_count);
+
+		if (irq_value & BIT(CHL_INT2_RX_DISP_ERR_OFF))
+			dev_info(dev, "phy%d disparity error cnt: %u\n", phy_no,
+				 sphy->running_disparity_error_count);
+	}
+
+	if ((irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF)) &&
+	    (pci_dev->revision == 0x20)) {
+		u32 reg_value;
+		int rc;
+
+		rc = hisi_sas_read32_poll_timeout_atomic(
+				HILINK_ERR_DFX, reg_value,
+				!((reg_value >> 8) & BIT(phy_no)),
+				1000, 10000);
+		if (rc)
+			hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
+	}
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, irq_value);
+}
+
+static void handle_chl_int0_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+{
+	u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
+
+	if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
+		hisi_sas_phy_oob_ready(hisi_hba, phy_no);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
+			     irq_value0 & (~CHL_INT0_SL_RX_BCST_ACK_MSK)
+			     & (~CHL_INT0_SL_PHY_ENABLE_MSK)
+			     & (~CHL_INT0_NOT_RDY_MSK));
+}
+
+static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
+{
+	struct hisi_hba *hisi_hba = p;
+	u32 irq_msk;
+	int phy_no = 0;
+
+	irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
+		  & CHNL_INT_STS_MSK;
+
+	while (irq_msk) {
+		if (irq_msk & (CHNL_INT_STS_INT0_MSK << (phy_no * CHNL_WIDTH)))
+			handle_chl_int0_v3_hw(hisi_hba, phy_no);
+
+		if (irq_msk & (CHNL_INT_STS_INT1_MSK << (phy_no * CHNL_WIDTH)))
+			handle_chl_int1_v3_hw(hisi_hba, phy_no);
+
+		if (irq_msk & (CHNL_INT_STS_INT2_MSK << (phy_no * CHNL_WIDTH)))
+			handle_chl_int2_v3_hw(hisi_hba, phy_no);
+
+		irq_msk &= ~(CHNL_INT_STS_PHY_MSK << (phy_no * CHNL_WIDTH));
+		phy_no++;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
+		.msk = HGC_DQE_ECC_MB_ADDR_MSK,
+		.shift = HGC_DQE_ECC_MB_ADDR_OFF,
+		.msg = "hgc_dqe_eccbad_intr",
+		.reg = HGC_DQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
+		.msk = HGC_IOST_ECC_MB_ADDR_MSK,
+		.shift = HGC_IOST_ECC_MB_ADDR_OFF,
+		.msg = "hgc_iost_eccbad_intr",
+		.reg = HGC_IOST_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
+		.msk = HGC_ITCT_ECC_MB_ADDR_MSK,
+		.shift = HGC_ITCT_ECC_MB_ADDR_OFF,
+		.msg = "hgc_itct_eccbad_intr",
+		.reg = HGC_ITCT_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
+		.msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
+		.msg = "hgc_iostl_eccbad_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
+		.msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
+		.shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
+		.msg = "hgc_itctl_eccbad_intr",
+		.reg = HGC_LM_DFX_STATUS2,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
+		.msk = HGC_CQE_ECC_MB_ADDR_MSK,
+		.shift = HGC_CQE_ECC_MB_ADDR_OFF,
+		.msg = "hgc_cqe_eccbad_intr",
+		.reg = HGC_CQE_ECC_ADDR,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
+		.msg = "rxm_mem0_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
+		.msg = "rxm_mem1_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
+		.shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
+		.msg = "rxm_mem2_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS14,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
+		.msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
+		.shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
+		.msg = "rxm_mem3_eccbad_intr",
+		.reg = HGC_RXM_DFX_STATUS15,
+	},
+	{
+		.irq_msk = BIT(SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF),
+		.msk = AM_ROB_ECC_ERR_ADDR_MSK,
+		.shift = AM_ROB_ECC_ERR_ADDR_OFF,
+		.msg = "ooo_ram_eccbad_intr",
+		.reg = AM_ROB_ECC_ERR_ADDR,
+	},
+};
+
+static void multi_bit_ecc_error_process_v3_hw(struct hisi_hba *hisi_hba,
+					      u32 irq_value)
+{
+	struct device *dev = hisi_hba->dev;
+	const struct hisi_sas_hw_error *ecc_error;
+	u32 val;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
+		ecc_error = &multi_bit_ecc_errors[i];
+		if (irq_value & ecc_error->irq_msk) {
+			val = hisi_sas_read32(hisi_hba, ecc_error->reg);
+			val &= ecc_error->msk;
+			val >>= ecc_error->shift;
+			dev_err(dev, "%s (0x%x) found: mem addr is 0x%08X\n",
+				ecc_error->msg, irq_value, val);
+			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		}
+	}
+}
+
+static void fatal_ecc_int_v3_hw(struct hisi_hba *hisi_hba)
+{
+	u32 irq_value, irq_msk;
+
+	irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
+
+	irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
+	if (irq_value)
+		multi_bit_ecc_error_process_v3_hw(hisi_hba, irq_value);
+
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk);
+}
+
+static const struct hisi_sas_hw_error axi_error[] = {
+	{ .msk = BIT(0), .msg = "IOST_AXI_W_ERR" },
+	{ .msk = BIT(1), .msg = "IOST_AXI_R_ERR" },
+	{ .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" },
+	{ .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" },
+	{ .msk = BIT(4), .msg = "SATA_AXI_W_ERR" },
+	{ .msk = BIT(5), .msg = "SATA_AXI_R_ERR" },
+	{ .msk = BIT(6), .msg = "DQE_AXI_R_ERR" },
+	{ .msk = BIT(7), .msg = "CQE_AXI_W_ERR" },
+	{}
+};
+
+static const struct hisi_sas_hw_error fifo_error[] = {
+	{ .msk = BIT(8),  .msg = "CQE_WINFO_FIFO" },
+	{ .msk = BIT(9),  .msg = "CQE_MSG_FIFIO" },
+	{ .msk = BIT(10), .msg = "GETDQE_FIFO" },
+	{ .msk = BIT(11), .msg = "CMDP_FIFO" },
+	{ .msk = BIT(12), .msg = "AWTCTRL_FIFO" },
+	{}
+};
+
+static const struct hisi_sas_hw_error fatal_axi_error[] = {
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF),
+		.msg = "write pointer and depth",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF),
+		.msg = "iptt no match slot",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF),
+		.msg = "read pointer and depth",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_AXI_OFF),
+		.reg = HGC_AXI_FIFO_ERR_INFO,
+		.sub = axi_error,
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF),
+		.reg = HGC_AXI_FIFO_ERR_INFO,
+		.sub = fifo_error,
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_LM_OFF),
+		.msg = "LM add/fetch list",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_ABT_OFF),
+		.msg = "SAS_HGC_ABT fetch LM list",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_DQE_POISON_OFF),
+		.msg = "read dqe poison",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_IOST_POISON_OFF),
+		.msg = "read iost poison",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_ITCT_POISON_OFF),
+		.msg = "read itct poison",
+	},
+	{
+		.irq_msk = BIT(ENT_INT_SRC3_ITCT_NCQ_POISON_OFF),
+		.msg = "read itct ncq poison",
+	},
+
+};
+
+static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p)
+{
+	u32 irq_value, irq_msk;
+	struct hisi_hba *hisi_hba = p;
+	struct device *dev = hisi_hba->dev;
+	struct pci_dev *pdev = hisi_hba->pci_dev;
+	int i;
+
+	irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0x1df00);
+
+	irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
+	irq_value &= ~irq_msk;
+
+	for (i = 0; i < ARRAY_SIZE(fatal_axi_error); i++) {
+		const struct hisi_sas_hw_error *error = &fatal_axi_error[i];
+
+		if (!(irq_value & error->irq_msk))
+			continue;
+
+		if (error->sub) {
+			const struct hisi_sas_hw_error *sub = error->sub;
+			u32 err_value = hisi_sas_read32(hisi_hba, error->reg);
+
+			for (; sub->msk || sub->msg; sub++) {
+				if (!(err_value & sub->msk))
+					continue;
+
+				dev_err(dev, "%s error (0x%x) found!\n",
+					sub->msg, irq_value);
+				queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+			}
+		} else {
+			dev_err(dev, "%s error (0x%x) found!\n",
+				error->msg, irq_value);
+			queue_work(hisi_hba->wq, &hisi_hba->rst_work);
+		}
+
+		if (pdev->revision < 0x21) {
+			u32 reg_val;
+
+			reg_val = hisi_sas_read32(hisi_hba,
+						  AXI_MASTER_CFG_BASE +
+						  AM_CTRL_GLOBAL);
+			reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
+			hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+					 AM_CTRL_GLOBAL, reg_val);
+		}
+	}
+
+	fatal_ecc_int_v3_hw(hisi_hba);
+
+	if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
+		u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
+		u32 dev_id = reg_val & ITCT_DEV_MSK;
+		struct hisi_sas_device *sas_dev =
+				&hisi_hba->devices[dev_id];
+
+		hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
+		dev_dbg(dev, "clear ITCT ok\n");
+		complete(sas_dev->completion);
+	}
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value & 0x1df00);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
+
+	return IRQ_HANDLED;
+}
+
+static bool
+slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
+	       struct hisi_sas_slot *slot)
+{
+	struct task_status_struct *ts = &task->task_status;
+	struct hisi_sas_complete_v3_hdr *complete_queue =
+			hisi_hba->complete_hdr[slot->cmplt_queue];
+	struct hisi_sas_complete_v3_hdr *complete_hdr =
+			&complete_queue[slot->cmplt_queue_slot];
+	struct hisi_sas_err_record_v3 *record =
+			hisi_sas_status_buf_addr_mem(slot);
+	u32 dma_rx_err_type = le32_to_cpu(record->dma_rx_err_type);
+	u32 trans_tx_fail_type = le32_to_cpu(record->trans_tx_fail_type);
+	u16 sipc_rx_err_type = le16_to_cpu(record->sipc_rx_err_type);
+	u32 dw3 = le32_to_cpu(complete_hdr->dw3);
+	u32 dw0 = le32_to_cpu(complete_hdr->dw0);
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP:
+		if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
+			/*
+			 * If returned response frame is incorrect because of data underflow,
+			 * but I/O information has been written to the host memory, we examine
+			 * response IU.
+			 */
+			if (!(dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) &&
+			    (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))
+				return false;
+
+			ts->residual = trans_tx_fail_type;
+			ts->stat = SAS_DATA_UNDERRUN;
+		} else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) {
+			ts->stat = SAS_QUEUE_FULL;
+			slot->abort = 1;
+		} else {
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+		}
+		break;
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+		if ((dw0 & CMPLT_HDR_RSPNS_XFRD_MSK) &&
+		    (sipc_rx_err_type & RX_FIS_STATUS_ERR_MSK)) {
+			ts->stat = SAS_PROTO_RESPONSE;
+		} else if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
+			ts->residual = trans_tx_fail_type;
+			ts->stat = SAS_DATA_UNDERRUN;
+		} else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) {
+			ts->stat = SAS_PHY_DOWN;
+			slot->abort = 1;
+		} else {
+			ts->stat = SAS_OPEN_REJECT;
+			ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+		}
+		if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
+			hisi_sas_sata_done(task, slot);
+		break;
+	case SAS_PROTOCOL_SMP:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+	default:
+		break;
+	}
+	return true;
+}
+
+static void slot_complete_v3_hw(struct hisi_hba *hisi_hba,
+				struct hisi_sas_slot *slot)
+{
+	struct sas_task *task = slot->task;
+	struct hisi_sas_device *sas_dev;
+	struct device *dev = hisi_hba->dev;
+	struct task_status_struct *ts;
+	struct domain_device *device;
+	struct sas_ha_struct *ha;
+	struct hisi_sas_complete_v3_hdr *complete_queue =
+			hisi_hba->complete_hdr[slot->cmplt_queue];
+	struct hisi_sas_complete_v3_hdr *complete_hdr =
+			&complete_queue[slot->cmplt_queue_slot];
+	unsigned long flags;
+	bool is_internal = slot->is_internal;
+	u32 dw0, dw1, dw3;
+
+	if (unlikely(!task || !task->lldd_task || !task->dev))
+		return;
+
+	ts = &task->task_status;
+	device = task->dev;
+	ha = device->port->ha;
+	sas_dev = device->lldd_dev;
+
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+
+	memset(ts, 0, sizeof(*ts));
+	ts->resp = SAS_TASK_COMPLETE;
+
+	if (unlikely(!sas_dev)) {
+		dev_dbg(dev, "slot complete: port has not device\n");
+		ts->stat = SAS_PHY_DOWN;
+		goto out;
+	}
+
+	dw0 = le32_to_cpu(complete_hdr->dw0);
+	dw1 = le32_to_cpu(complete_hdr->dw1);
+	dw3 = le32_to_cpu(complete_hdr->dw3);
+
+	/*
+	 * Use SAS+TMF status codes
+	 */
+	switch ((dw0 & CMPLT_HDR_ABORT_STAT_MSK) >> CMPLT_HDR_ABORT_STAT_OFF) {
+	case STAT_IO_ABORTED:
+		/* this IO has been aborted by abort command */
+		ts->stat = SAS_ABORTED_TASK;
+		goto out;
+	case STAT_IO_COMPLETE:
+		/* internal abort command complete */
+		ts->stat = TMF_RESP_FUNC_SUCC;
+		goto out;
+	case STAT_IO_NO_DEVICE:
+		ts->stat = TMF_RESP_FUNC_COMPLETE;
+		goto out;
+	case STAT_IO_NOT_VALID:
+		/*
+		 * abort single IO, the controller can't find the IO
+		 */
+		ts->stat = TMF_RESP_FUNC_FAILED;
+		goto out;
+	default:
+		break;
+	}
+
+	/* check for erroneous completion */
+	if ((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) {
+		u32 *error_info = hisi_sas_status_buf_addr_mem(slot);
+
+		if (slot_err_v3_hw(hisi_hba, task, slot)) {
+			if (ts->stat != SAS_DATA_UNDERRUN)
+				dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d addr=%016llx CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n",
+					slot->idx, task, sas_dev->device_id,
+					SAS_ADDR(device->sas_addr),
+					dw0, dw1, complete_hdr->act, dw3,
+					error_info[0], error_info[1],
+					error_info[2], error_info[3]);
+			if (unlikely(slot->abort)) {
+				if (dev_is_sata(device) && task->ata_task.use_ncq)
+					sas_ata_device_link_abort(device, true);
+				else
+					sas_task_abort(task);
+
+				return;
+			}
+			goto out;
+		}
+	}
+
+	switch (task->task_proto) {
+	case SAS_PROTOCOL_SSP: {
+		struct ssp_response_iu *iu =
+			hisi_sas_status_buf_addr_mem(slot) +
+			sizeof(struct hisi_sas_err_record);
+
+		sas_ssp_task_response(dev, task, iu);
+		break;
+	}
+	case SAS_PROTOCOL_SMP: {
+		struct scatterlist *sg_resp = &task->smp_task.smp_resp;
+		void *to = page_address(sg_page(sg_resp));
+
+		ts->stat = SAS_SAM_STAT_GOOD;
+
+		memcpy(to + sg_resp->offset,
+			hisi_sas_status_buf_addr_mem(slot) +
+		       sizeof(struct hisi_sas_err_record),
+		       sg_resp->length);
+		break;
+	}
+	case SAS_PROTOCOL_SATA:
+	case SAS_PROTOCOL_STP:
+	case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
+		ts->stat = SAS_SAM_STAT_GOOD;
+		if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
+			hisi_sas_sata_done(task, slot);
+		break;
+	default:
+		ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
+		break;
+	}
+
+	if (!slot->port->port_attached) {
+		dev_warn(dev, "slot complete: port %d has removed\n",
+			slot->port->sas_port.id);
+		ts->stat = SAS_PHY_DOWN;
+	}
+
+out:
+	spin_lock_irqsave(&task->task_state_lock, flags);
+	if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+		dev_info(dev, "slot complete: task(%pK) aborted\n", task);
+		return;
+	}
+	task->task_state_flags |= SAS_TASK_STATE_DONE;
+	spin_unlock_irqrestore(&task->task_state_lock, flags);
+	hisi_sas_slot_task_free(hisi_hba, task, slot);
+
+	if (!is_internal && (task->task_proto != SAS_PROTOCOL_SMP)) {
+		spin_lock_irqsave(&device->done_lock, flags);
+		if (test_bit(SAS_HA_FROZEN, &ha->state)) {
+			spin_unlock_irqrestore(&device->done_lock, flags);
+			dev_info(dev, "slot complete: task(%pK) ignored\n ",
+				 task);
+			return;
+		}
+		spin_unlock_irqrestore(&device->done_lock, flags);
+	}
+
+	if (task->task_done)
+		task->task_done(task);
+}
+
+static irqreturn_t  cq_thread_v3_hw(int irq_no, void *p)
+{
+	struct hisi_sas_cq *cq = p;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	struct hisi_sas_slot *slot;
+	struct hisi_sas_complete_v3_hdr *complete_queue;
+	u32 rd_point = cq->rd_point, wr_point;
+	int queue = cq->id;
+
+	complete_queue = hisi_hba->complete_hdr[queue];
+
+	wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
+				   (0x14 * queue));
+
+	while (rd_point != wr_point) {
+		struct hisi_sas_complete_v3_hdr *complete_hdr;
+		struct device *dev = hisi_hba->dev;
+		u32 dw1;
+		int iptt;
+
+		complete_hdr = &complete_queue[rd_point];
+		dw1 = le32_to_cpu(complete_hdr->dw1);
+
+		iptt = dw1 & CMPLT_HDR_IPTT_MSK;
+		if (likely(iptt < HISI_SAS_COMMAND_ENTRIES_V3_HW)) {
+			slot = &hisi_hba->slot_info[iptt];
+			slot->cmplt_queue_slot = rd_point;
+			slot->cmplt_queue = queue;
+			slot_complete_v3_hw(hisi_hba, slot);
+		} else
+			dev_err(dev, "IPTT %d is invalid, discard it.\n", iptt);
+
+		if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
+			rd_point = 0;
+	}
+
+	/* update rd_point */
+	cq->rd_point = rd_point;
+	hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t cq_interrupt_v3_hw(int irq_no, void *p)
+{
+	struct hisi_sas_cq *cq = p;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	int queue = cq->id;
+
+	hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
+
+	return IRQ_WAKE_THREAD;
+}
+
+static void hisi_sas_v3_free_vectors(void *data)
+{
+	struct pci_dev *pdev = data;
+
+	pci_free_irq_vectors(pdev);
+}
+
+static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int vectors;
+	int max_msi = HISI_SAS_MSI_COUNT_V3_HW, min_msi;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	struct pci_dev *pdev = hisi_hba->pci_dev;
+	struct irq_affinity desc = {
+		.pre_vectors = BASE_VECTORS_V3_HW,
+	};
+
+	min_msi = MIN_AFFINE_VECTORS_V3_HW;
+	vectors = pci_alloc_irq_vectors_affinity(pdev,
+						 min_msi, max_msi,
+						 PCI_IRQ_MSI |
+						 PCI_IRQ_AFFINITY,
+						 &desc);
+	if (vectors < 0)
+		return -ENOENT;
+
+
+	hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW;
+	shost->nr_hw_queues = hisi_hba->cq_nvecs;
+
+	return devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev);
+}
+
+static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	struct pci_dev *pdev = hisi_hba->pci_dev;
+	int rc, i;
+
+	rc = devm_request_irq(dev, pci_irq_vector(pdev, 1),
+			      int_phy_up_down_bcast_v3_hw, 0,
+			      DRV_NAME " phy", hisi_hba);
+	if (rc) {
+		dev_err(dev, "could not request phy interrupt, rc=%d\n", rc);
+		return -ENOENT;
+	}
+
+	rc = devm_request_irq(dev, pci_irq_vector(pdev, 2),
+			      int_chnl_int_v3_hw, 0,
+			      DRV_NAME " channel", hisi_hba);
+	if (rc) {
+		dev_err(dev, "could not request chnl interrupt, rc=%d\n", rc);
+		return -ENOENT;
+	}
+
+	rc = devm_request_irq(dev, pci_irq_vector(pdev, 11),
+			      fatal_axi_int_v3_hw, 0,
+			      DRV_NAME " fatal", hisi_hba);
+	if (rc) {
+		dev_err(dev, "could not request fatal interrupt, rc=%d\n", rc);
+		return -ENOENT;
+	}
+
+	if (hisi_sas_intr_conv)
+		dev_info(dev, "Enable interrupt converge\n");
+
+	for (i = 0; i < hisi_hba->cq_nvecs; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+		int nr = hisi_sas_intr_conv ? 16 : 16 + i;
+		unsigned long irqflags = hisi_sas_intr_conv ? IRQF_SHARED :
+							      IRQF_ONESHOT;
+
+		cq->irq_no = pci_irq_vector(pdev, nr);
+		rc = devm_request_threaded_irq(dev, cq->irq_no,
+				      cq_interrupt_v3_hw,
+				      cq_thread_v3_hw,
+				      irqflags,
+				      DRV_NAME " cq", cq);
+		if (rc) {
+			dev_err(dev, "could not request cq%d interrupt, rc=%d\n",
+				i, rc);
+			return -ENOENT;
+		}
+		cq->irq_mask = pci_irq_get_affinity(pdev, i + BASE_VECTORS_V3_HW);
+		if (!cq->irq_mask) {
+			dev_err(dev, "could not get cq%d irq affinity!\n", i);
+			return -ENOENT;
+		}
+	}
+
+	return 0;
+}
+
+static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
+{
+	int rc;
+
+	rc = hw_init_v3_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	rc = interrupt_init_v3_hw(hisi_hba);
+	if (rc)
+		return rc;
+
+	return 0;
+}
+
+static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no,
+		struct sas_phy_linkrates *r)
+{
+	enum sas_linkrate max = r->maximum_linkrate;
+	u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, phy_no,
+						     PROG_PHY_LINK_RATE);
+
+	prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
+	prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
+			     prog_phy_link_rate);
+}
+
+static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct pci_dev *pdev = hisi_hba->pci_dev;
+	int i;
+
+	synchronize_irq(pci_irq_vector(pdev, 1));
+	synchronize_irq(pci_irq_vector(pdev, 2));
+	synchronize_irq(pci_irq_vector(pdev, 11));
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
+
+	for (i = 0; i < hisi_hba->cq_nvecs; i++)
+		synchronize_irq(pci_irq_vector(pdev, i + 16));
+
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
+	hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
+	hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x1);
+		hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x1);
+		hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x1);
+	}
+}
+
+static u32 get_phys_state_v3_hw(struct hisi_hba *hisi_hba)
+{
+	return hisi_sas_read32(hisi_hba, PHY_STATE);
+}
+
+static int disable_host_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	u32 status, reg_val;
+	int rc;
+
+	interrupt_disable_v3_hw(hisi_hba);
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
+
+	hisi_sas_stop_phys(hisi_hba);
+
+	mdelay(10);
+
+	reg_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
+				  AM_CTRL_GLOBAL);
+	reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
+	hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
+			 AM_CTRL_GLOBAL, reg_val);
+
+	/* wait until bus idle */
+	rc = hisi_sas_read32_poll_timeout(AXI_MASTER_CFG_BASE +
+					  AM_CURR_TRANS_RETURN, status,
+					  status == 0x3, 10, 100);
+	if (rc) {
+		dev_err(dev, "axi bus is not idle, rc=%d\n", rc);
+		return rc;
+	}
+
+	return 0;
+}
+
+static int soft_reset_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	rc = disable_host_v3_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "soft reset: disable host failed rc=%d\n", rc);
+		return rc;
+	}
+
+	hisi_sas_init_mem(hisi_hba);
+
+	return hw_init_v3_hw(hisi_hba);
+}
+
+static int write_gpio_v3_hw(struct hisi_hba *hisi_hba, u8 reg_type,
+			u8 reg_index, u8 reg_count, u8 *write_data)
+{
+	struct device *dev = hisi_hba->dev;
+	u32 *data = (u32 *)write_data;
+	int i;
+
+	switch (reg_type) {
+	case SAS_GPIO_REG_TX:
+		if ((reg_index + reg_count) > ((hisi_hba->n_phy + 3) / 4)) {
+			dev_err(dev, "write gpio: invalid reg range[%d, %d]\n",
+				reg_index, reg_index + reg_count - 1);
+			return -EINVAL;
+		}
+
+		for (i = 0; i < reg_count; i++)
+			hisi_sas_write32(hisi_hba,
+					 SAS_GPIO_TX_0_1 + (reg_index + i) * 4,
+					 data[i]);
+		break;
+	default:
+		dev_err(dev, "write gpio: unsupported or bad reg type %d\n",
+			reg_type);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void wait_cmds_complete_timeout_v3_hw(struct hisi_hba *hisi_hba,
+					     int delay_ms, int timeout_ms)
+{
+	struct device *dev = hisi_hba->dev;
+	int entries, entries_old = 0, time;
+
+	for (time = 0; time < timeout_ms; time += delay_ms) {
+		entries = hisi_sas_read32(hisi_hba, CQE_SEND_CNT);
+		if (entries == entries_old)
+			break;
+
+		entries_old = entries;
+		msleep(delay_ms);
+	}
+
+	if (time >= timeout_ms) {
+		dev_dbg(dev, "Wait commands complete timeout!\n");
+		return;
+	}
+
+	dev_dbg(dev, "wait commands complete %dms\n", time);
+}
+
+static ssize_t intr_conv_v3_hw_show(struct device *dev,
+				    struct device_attribute *attr, char *buf)
+{
+	return scnprintf(buf, PAGE_SIZE, "%u\n", hisi_sas_intr_conv);
+}
+static DEVICE_ATTR_RO(intr_conv_v3_hw);
+
+static void config_intr_coal_v3_hw(struct hisi_hba *hisi_hba)
+{
+	/* config those registers between enable and disable PHYs */
+	hisi_sas_stop_phys(hisi_hba);
+
+	if (hisi_hba->intr_coal_ticks == 0 ||
+	    hisi_hba->intr_coal_count == 0) {
+		hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
+		hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
+		hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
+	} else {
+		hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x3);
+		hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME,
+				 hisi_hba->intr_coal_ticks);
+		hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT,
+				 hisi_hba->intr_coal_count);
+	}
+	phys_init_v3_hw(hisi_hba);
+}
+
+static ssize_t intr_coal_ticks_v3_hw_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+
+	return scnprintf(buf, PAGE_SIZE, "%u\n",
+			 hisi_hba->intr_coal_ticks);
+}
+
+static ssize_t intr_coal_ticks_v3_hw_store(struct device *dev,
+					   struct device_attribute *attr,
+					   const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	u32 intr_coal_ticks;
+	int ret;
+
+	ret = kstrtou32(buf, 10, &intr_coal_ticks);
+	if (ret) {
+		dev_err(dev, "Input data of interrupt coalesce unmatch\n");
+		return -EINVAL;
+	}
+
+	if (intr_coal_ticks >= BIT(24)) {
+		dev_err(dev, "intr_coal_ticks must be less than 2^24!\n");
+		return -EINVAL;
+	}
+
+	hisi_hba->intr_coal_ticks = intr_coal_ticks;
+
+	config_intr_coal_v3_hw(hisi_hba);
+
+	return count;
+}
+static DEVICE_ATTR_RW(intr_coal_ticks_v3_hw);
+
+static ssize_t intr_coal_count_v3_hw_show(struct device *dev,
+					  struct device_attribute
+					  *attr, char *buf)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+
+	return scnprintf(buf, PAGE_SIZE, "%u\n",
+			 hisi_hba->intr_coal_count);
+}
+
+static ssize_t intr_coal_count_v3_hw_store(struct device *dev,
+		struct device_attribute
+		*attr, const char *buf, size_t count)
+{
+	struct Scsi_Host *shost = class_to_shost(dev);
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	u32 intr_coal_count;
+	int ret;
+
+	ret = kstrtou32(buf, 10, &intr_coal_count);
+	if (ret) {
+		dev_err(dev, "Input data of interrupt coalesce unmatch\n");
+		return -EINVAL;
+	}
+
+	if (intr_coal_count >= BIT(8)) {
+		dev_err(dev, "intr_coal_count must be less than 2^8!\n");
+		return -EINVAL;
+	}
+
+	hisi_hba->intr_coal_count = intr_coal_count;
+
+	config_intr_coal_v3_hw(hisi_hba);
+
+	return count;
+}
+static DEVICE_ATTR_RW(intr_coal_count_v3_hw);
+
+static int slave_configure_v3_hw(struct scsi_device *sdev)
+{
+	struct Scsi_Host *shost = dev_to_shost(&sdev->sdev_gendev);
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	int ret = hisi_sas_slave_configure(sdev);
+	struct device *dev = hisi_hba->dev;
+
+	if (ret)
+		return ret;
+
+	if (sdev->type == TYPE_ENCLOSURE)
+		return 0;
+
+	if (!device_link_add(&sdev->sdev_gendev, dev,
+			     DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE)) {
+		if (pm_runtime_enabled(dev)) {
+			dev_info(dev, "add device link failed, disable runtime PM for the host\n");
+			pm_runtime_disable(dev);
+		}
+	}
+
+	return 0;
+}
+
+static struct attribute *host_v3_hw_attrs[] = {
+	&dev_attr_phy_event_threshold.attr,
+	&dev_attr_intr_conv_v3_hw.attr,
+	&dev_attr_intr_coal_ticks_v3_hw.attr,
+	&dev_attr_intr_coal_count_v3_hw.attr,
+	NULL
+};
+
+ATTRIBUTE_GROUPS(host_v3_hw);
+
+#define HISI_SAS_DEBUGFS_REG(x) {#x, x}
+
+struct hisi_sas_debugfs_reg_lu {
+	char *name;
+	int off;
+};
+
+struct hisi_sas_debugfs_reg {
+	const struct hisi_sas_debugfs_reg_lu *lu;
+	int count;
+	int base_off;
+};
+
+static const struct hisi_sas_debugfs_reg_lu debugfs_port_reg_lu[] = {
+	HISI_SAS_DEBUGFS_REG(PHY_CFG),
+	HISI_SAS_DEBUGFS_REG(HARD_PHY_LINKRATE),
+	HISI_SAS_DEBUGFS_REG(PROG_PHY_LINK_RATE),
+	HISI_SAS_DEBUGFS_REG(PHY_CTRL),
+	HISI_SAS_DEBUGFS_REG(SL_CFG),
+	HISI_SAS_DEBUGFS_REG(AIP_LIMIT),
+	HISI_SAS_DEBUGFS_REG(SL_CONTROL),
+	HISI_SAS_DEBUGFS_REG(RX_PRIMS_STATUS),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD0),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD1),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD2),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD3),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD4),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD5),
+	HISI_SAS_DEBUGFS_REG(TX_ID_DWORD6),
+	HISI_SAS_DEBUGFS_REG(TXID_AUTO),
+	HISI_SAS_DEBUGFS_REG(RX_IDAF_DWORD0),
+	HISI_SAS_DEBUGFS_REG(RXOP_CHECK_CFG_H),
+	HISI_SAS_DEBUGFS_REG(STP_LINK_TIMER),
+	HISI_SAS_DEBUGFS_REG(STP_LINK_TIMEOUT_STATE),
+	HISI_SAS_DEBUGFS_REG(CON_CFG_DRIVER),
+	HISI_SAS_DEBUGFS_REG(SAS_SSP_CON_TIMER_CFG),
+	HISI_SAS_DEBUGFS_REG(SAS_SMP_CON_TIMER_CFG),
+	HISI_SAS_DEBUGFS_REG(SAS_STP_CON_TIMER_CFG),
+	HISI_SAS_DEBUGFS_REG(CHL_INT0),
+	HISI_SAS_DEBUGFS_REG(CHL_INT1),
+	HISI_SAS_DEBUGFS_REG(CHL_INT2),
+	HISI_SAS_DEBUGFS_REG(CHL_INT0_MSK),
+	HISI_SAS_DEBUGFS_REG(CHL_INT1_MSK),
+	HISI_SAS_DEBUGFS_REG(CHL_INT2_MSK),
+	HISI_SAS_DEBUGFS_REG(SAS_EC_INT_COAL_TIME),
+	HISI_SAS_DEBUGFS_REG(CHL_INT_COAL_EN),
+	HISI_SAS_DEBUGFS_REG(SAS_RX_TRAIN_TIMER),
+	HISI_SAS_DEBUGFS_REG(PHY_CTRL_RDY_MSK),
+	HISI_SAS_DEBUGFS_REG(PHYCTRL_NOT_RDY_MSK),
+	HISI_SAS_DEBUGFS_REG(PHYCTRL_DWS_RESET_MSK),
+	HISI_SAS_DEBUGFS_REG(PHYCTRL_PHY_ENA_MSK),
+	HISI_SAS_DEBUGFS_REG(SL_RX_BCAST_CHK_MSK),
+	HISI_SAS_DEBUGFS_REG(PHYCTRL_OOB_RESTART_MSK),
+	HISI_SAS_DEBUGFS_REG(DMA_TX_STATUS),
+	HISI_SAS_DEBUGFS_REG(DMA_RX_STATUS),
+	HISI_SAS_DEBUGFS_REG(COARSETUNE_TIME),
+	HISI_SAS_DEBUGFS_REG(ERR_CNT_DWS_LOST),
+	HISI_SAS_DEBUGFS_REG(ERR_CNT_RESET_PROB),
+	HISI_SAS_DEBUGFS_REG(ERR_CNT_INVLD_DW),
+	HISI_SAS_DEBUGFS_REG(ERR_CNT_CODE_ERR),
+	HISI_SAS_DEBUGFS_REG(ERR_CNT_DISP_ERR),
+	{}
+};
+
+static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
+	.lu = debugfs_port_reg_lu,
+	.count = 0x100,
+	.base_off = PORT_BASE,
+};
+
+static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
+	HISI_SAS_DEBUGFS_REG(DLVRY_QUEUE_ENABLE),
+	HISI_SAS_DEBUGFS_REG(PHY_CONTEXT),
+	HISI_SAS_DEBUGFS_REG(PHY_STATE),
+	HISI_SAS_DEBUGFS_REG(PHY_PORT_NUM_MA),
+	HISI_SAS_DEBUGFS_REG(PHY_CONN_RATE),
+	HISI_SAS_DEBUGFS_REG(ITCT_CLR),
+	HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_LO),
+	HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_HI),
+	HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_LO),
+	HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_HI),
+	HISI_SAS_DEBUGFS_REG(CFG_MAX_TAG),
+	HISI_SAS_DEBUGFS_REG(HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL),
+	HISI_SAS_DEBUGFS_REG(HGC_SAS_TXFAIL_RETRY_CTRL),
+	HISI_SAS_DEBUGFS_REG(HGC_GET_ITV_TIME),
+	HISI_SAS_DEBUGFS_REG(DEVICE_MSG_WORK_MODE),
+	HISI_SAS_DEBUGFS_REG(OPENA_WT_CONTI_TIME),
+	HISI_SAS_DEBUGFS_REG(I_T_NEXUS_LOSS_TIME),
+	HISI_SAS_DEBUGFS_REG(MAX_CON_TIME_LIMIT_TIME),
+	HISI_SAS_DEBUGFS_REG(BUS_INACTIVE_LIMIT_TIME),
+	HISI_SAS_DEBUGFS_REG(REJECT_TO_OPEN_LIMIT_TIME),
+	HISI_SAS_DEBUGFS_REG(CQ_INT_CONVERGE_EN),
+	HISI_SAS_DEBUGFS_REG(CFG_AGING_TIME),
+	HISI_SAS_DEBUGFS_REG(HGC_DFX_CFG2),
+	HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_QUERY_IPTT),
+	HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_IPTT_DONE),
+	HISI_SAS_DEBUGFS_REG(HGC_IOMB_PROC1_STATUS),
+	HISI_SAS_DEBUGFS_REG(CHNL_INT_STATUS),
+	HISI_SAS_DEBUGFS_REG(HGC_AXI_FIFO_ERR_INFO),
+	HISI_SAS_DEBUGFS_REG(INT_COAL_EN),
+	HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_TIME),
+	HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_CNT),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_TIME),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_CNT),
+	HISI_SAS_DEBUGFS_REG(OQ_INT_SRC),
+	HISI_SAS_DEBUGFS_REG(OQ_INT_SRC_MSK),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC1),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC2),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC3),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK1),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK2),
+	HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK3),
+	HISI_SAS_DEBUGFS_REG(CHNL_PHYUPDOWN_INT_MSK),
+	HISI_SAS_DEBUGFS_REG(CHNL_ENT_INT_MSK),
+	HISI_SAS_DEBUGFS_REG(HGC_COM_INT_MSK),
+	HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR),
+	HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR_MSK),
+	HISI_SAS_DEBUGFS_REG(HGC_ERR_STAT_EN),
+	HISI_SAS_DEBUGFS_REG(CQE_SEND_CNT),
+	HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_DEPTH),
+	HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_WR_PTR),
+	HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_RD_PTR),
+	HISI_SAS_DEBUGFS_REG(HYPER_STREAM_ID_EN_CFG),
+	HISI_SAS_DEBUGFS_REG(OQ0_INT_SRC_MSK),
+	HISI_SAS_DEBUGFS_REG(COMPL_Q_0_DEPTH),
+	HISI_SAS_DEBUGFS_REG(COMPL_Q_0_WR_PTR),
+	HISI_SAS_DEBUGFS_REG(COMPL_Q_0_RD_PTR),
+	HISI_SAS_DEBUGFS_REG(AWQOS_AWCACHE_CFG),
+	HISI_SAS_DEBUGFS_REG(ARQOS_ARCACHE_CFG),
+	HISI_SAS_DEBUGFS_REG(HILINK_ERR_DFX),
+	HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_0),
+	HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_1),
+	HISI_SAS_DEBUGFS_REG(SAS_GPIO_TX_0_1),
+	HISI_SAS_DEBUGFS_REG(SAS_CFG_DRIVE_VLD),
+	{}
+};
+
+static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
+	.lu = debugfs_global_reg_lu,
+	.count = 0x800,
+};
+
+static const struct hisi_sas_debugfs_reg_lu debugfs_axi_reg_lu[] = {
+	HISI_SAS_DEBUGFS_REG(AM_CFG_MAX_TRANS),
+	HISI_SAS_DEBUGFS_REG(AM_CFG_SINGLE_PORT_MAX_TRANS),
+	HISI_SAS_DEBUGFS_REG(AXI_CFG),
+	HISI_SAS_DEBUGFS_REG(AM_ROB_ECC_ERR_ADDR),
+	{}
+};
+
+static const struct hisi_sas_debugfs_reg debugfs_axi_reg = {
+	.lu = debugfs_axi_reg_lu,
+	.count = 0x61,
+	.base_off = AXI_MASTER_CFG_BASE,
+};
+
+static const struct hisi_sas_debugfs_reg_lu debugfs_ras_reg_lu[] = {
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0),
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1),
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0_MASK),
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1_MASK),
+	HISI_SAS_DEBUGFS_REG(CFG_SAS_RAS_INTR_MASK),
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2),
+	HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2_MASK),
+	{}
+};
+
+static const struct hisi_sas_debugfs_reg debugfs_ras_reg = {
+	.lu = debugfs_ras_reg_lu,
+	.count = 0x10,
+	.base_off = RAS_BASE,
+};
+
+static void debugfs_snapshot_prepare_v3_hw(struct hisi_hba *hisi_hba)
+{
+	set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
+
+	wait_cmds_complete_timeout_v3_hw(hisi_hba, 100, 5000);
+
+	hisi_sas_sync_irqs(hisi_hba);
+}
+
+static void debugfs_snapshot_restore_v3_hw(struct hisi_hba *hisi_hba)
+{
+	hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
+			 (u32)((1ULL << hisi_hba->queue_count) - 1));
+
+	clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+}
+
+static void read_iost_itct_cache_v3_hw(struct hisi_hba *hisi_hba,
+				       enum hisi_sas_debugfs_cache_type type,
+				       u32 *cache)
+{
+	u32 cache_dw_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ *
+			    HISI_SAS_IOST_ITCT_CACHE_NUM;
+	struct device *dev = hisi_hba->dev;
+	u32 *buf = cache;
+	u32 i, val;
+
+	hisi_sas_write32(hisi_hba, TAB_RD_TYPE, type);
+
+	for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_DW_SZ; i++) {
+		val = hisi_sas_read32(hisi_hba, TAB_DFX);
+		if (val == 0xffffffff)
+			break;
+	}
+
+	if (val != 0xffffffff) {
+		dev_err(dev, "Issue occurred in reading IOST/ITCT cache!\n");
+		return;
+	}
+
+	memset(buf, 0, cache_dw_size * 4);
+	buf[0] = val;
+
+	for (i = 1; i < cache_dw_size; i++)
+		buf[i] = hisi_sas_read32(hisi_hba, TAB_DFX);
+}
+
+static void hisi_sas_bist_test_prep_v3_hw(struct hisi_hba *hisi_hba)
+{
+	u32 reg_val;
+	int phy_no = hisi_hba->debugfs_bist_phy_no;
+	int i;
+
+	/* disable PHY */
+	hisi_sas_phy_enable(hisi_hba, phy_no, 0);
+
+	/* update FFE */
+	for (i = 0; i < FFE_CFG_MAX; i++)
+		hisi_sas_phy_write32(hisi_hba, phy_no, TXDEEMPH_G1 + (i * 0x4),
+				     hisi_hba->debugfs_bist_ffe[phy_no][i]);
+
+	/* disable ALOS */
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
+	reg_val |= CFG_ALOS_CHK_DISABLE_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
+}
+
+static void hisi_sas_bist_test_restore_v3_hw(struct hisi_hba *hisi_hba)
+{
+	u32 reg_val;
+	int phy_no = hisi_hba->debugfs_bist_phy_no;
+
+	/* disable loopback */
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL);
+	reg_val &= ~(CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
+		     CFG_BIST_TEST_MSK);
+	hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL, reg_val);
+
+	/* enable ALOS */
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
+	reg_val &= ~CFG_ALOS_CHK_DISABLE_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
+
+	/* restore the linkrate */
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE);
+	/* init OOB link rate as 1.5 Gbits */
+	reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
+	reg_val |= (0x8 << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
+	hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, reg_val);
+
+	/* enable PHY */
+	hisi_sas_phy_enable(hisi_hba, phy_no, 1);
+}
+
+#define SAS_PHY_BIST_CODE_INIT	0x1
+#define SAS_PHY_BIST_CODE1_INIT	0X80
+static int debugfs_set_bist_v3_hw(struct hisi_hba *hisi_hba, bool enable)
+{
+	u32 reg_val, mode_tmp;
+	u32 linkrate = hisi_hba->debugfs_bist_linkrate;
+	u32 phy_no = hisi_hba->debugfs_bist_phy_no;
+	u32 *ffe = hisi_hba->debugfs_bist_ffe[phy_no];
+	u32 code_mode = hisi_hba->debugfs_bist_code_mode;
+	u32 path_mode = hisi_hba->debugfs_bist_mode;
+	u32 *fix_code = &hisi_hba->debugfs_bist_fixed_code[0];
+	struct device *dev = hisi_hba->dev;
+
+	dev_info(dev, "BIST info:phy%d link_rate=%d code_mode=%d path_mode=%d ffe={0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x} fixed_code={0x%x, 0x%x}\n",
+		 phy_no, linkrate, code_mode, path_mode,
+		 ffe[FFE_SAS_1_5_GBPS], ffe[FFE_SAS_3_0_GBPS],
+		 ffe[FFE_SAS_6_0_GBPS], ffe[FFE_SAS_12_0_GBPS],
+		 ffe[FFE_SATA_1_5_GBPS], ffe[FFE_SATA_3_0_GBPS],
+		 ffe[FFE_SATA_6_0_GBPS], fix_code[FIXED_CODE],
+		 fix_code[FIXED_CODE_1]);
+	mode_tmp = path_mode ? 2 : 1;
+	if (enable) {
+		/* some preparations before bist test */
+		hisi_sas_bist_test_prep_v3_hw(hisi_hba);
+
+		/* set linkrate of bit test*/
+		reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
+					      PROG_PHY_LINK_RATE);
+		reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
+		reg_val |= (linkrate << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
+		hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
+				     reg_val);
+
+		/* set code mode of bit test */
+		reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
+					      SAS_PHY_BIST_CTRL);
+		reg_val &= ~(CFG_BIST_MODE_SEL_MSK | CFG_LOOP_TEST_MODE_MSK |
+			     CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
+			     CFG_BIST_TEST_MSK);
+		reg_val |= ((code_mode << CFG_BIST_MODE_SEL_OFF) |
+			    (mode_tmp << CFG_LOOP_TEST_MODE_OFF) |
+			    CFG_BIST_TEST_MSK);
+		hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
+				     reg_val);
+
+		/* set the bist init value */
+		if (code_mode == HISI_SAS_BIST_CODE_MODE_FIXED_DATA) {
+			reg_val = hisi_hba->debugfs_bist_fixed_code[0];
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					     SAS_PHY_BIST_CODE, reg_val);
+
+			reg_val = hisi_hba->debugfs_bist_fixed_code[1];
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					     SAS_PHY_BIST_CODE1, reg_val);
+		} else {
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					     SAS_PHY_BIST_CODE,
+					     SAS_PHY_BIST_CODE_INIT);
+			hisi_sas_phy_write32(hisi_hba, phy_no,
+					     SAS_PHY_BIST_CODE1,
+					     SAS_PHY_BIST_CODE1_INIT);
+		}
+
+		mdelay(100);
+		reg_val |= (CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK);
+		hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
+				     reg_val);
+
+		/* clear error bit */
+		mdelay(100);
+		hisi_sas_phy_read32(hisi_hba, phy_no, SAS_BIST_ERR_CNT);
+	} else {
+		/* disable bist test and recover it */
+		hisi_hba->debugfs_bist_cnt += hisi_sas_phy_read32(hisi_hba,
+				phy_no, SAS_BIST_ERR_CNT);
+		hisi_sas_bist_test_restore_v3_hw(hisi_hba);
+	}
+
+	return 0;
+}
+
+static void hisi_sas_map_queues(struct Scsi_Host *shost)
+{
+	struct hisi_hba *hisi_hba = shost_priv(shost);
+	struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
+
+	blk_mq_pci_map_queues(qmap, hisi_hba->pci_dev, BASE_VECTORS_V3_HW);
+}
+
+static struct scsi_host_template sht_v3_hw = {
+	.name			= DRV_NAME,
+	.proc_name		= DRV_NAME,
+	.module			= THIS_MODULE,
+	.queuecommand		= sas_queuecommand,
+	.dma_need_drain		= ata_scsi_dma_need_drain,
+	.target_alloc		= sas_target_alloc,
+	.slave_configure	= slave_configure_v3_hw,
+	.scan_finished		= hisi_sas_scan_finished,
+	.scan_start		= hisi_sas_scan_start,
+	.map_queues		= hisi_sas_map_queues,
+	.change_queue_depth	= sas_change_queue_depth,
+	.bios_param		= sas_bios_param,
+	.this_id		= -1,
+	.sg_tablesize		= HISI_SAS_SGE_PAGE_CNT,
+	.sg_prot_tablesize	= HISI_SAS_SGE_PAGE_CNT,
+	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
+	.eh_device_reset_handler = sas_eh_device_reset_handler,
+	.eh_target_reset_handler = sas_eh_target_reset_handler,
+	.slave_alloc		= hisi_sas_slave_alloc,
+	.target_destroy		= sas_target_destroy,
+	.ioctl			= sas_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl		= sas_ioctl,
+#endif
+	.shost_groups		= host_v3_hw_groups,
+	.tag_alloc_policy	= BLK_TAG_ALLOC_RR,
+	.host_reset             = hisi_sas_host_reset,
+	.host_tagset		= 1,
+};
+
+static const struct hisi_sas_hw hisi_sas_v3_hw = {
+	.setup_itct = setup_itct_v3_hw,
+	.get_wideport_bitmap = get_wideport_bitmap_v3_hw,
+	.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
+	.clear_itct = clear_itct_v3_hw,
+	.sl_notify_ssp = sl_notify_ssp_v3_hw,
+	.prep_ssp = prep_ssp_v3_hw,
+	.prep_smp = prep_smp_v3_hw,
+	.prep_stp = prep_ata_v3_hw,
+	.prep_abort = prep_abort_v3_hw,
+	.start_delivery = start_delivery_v3_hw,
+	.phys_init = phys_init_v3_hw,
+	.phy_start = start_phy_v3_hw,
+	.phy_disable = disable_phy_v3_hw,
+	.phy_hard_reset = phy_hard_reset_v3_hw,
+	.phy_get_max_linkrate = phy_get_max_linkrate_v3_hw,
+	.phy_set_linkrate = phy_set_linkrate_v3_hw,
+	.dereg_device = dereg_device_v3_hw,
+	.soft_reset = soft_reset_v3_hw,
+	.get_phys_state = get_phys_state_v3_hw,
+	.get_events = phy_get_events_v3_hw,
+	.write_gpio = write_gpio_v3_hw,
+	.wait_cmds_complete_timeout = wait_cmds_complete_timeout_v3_hw,
+	.debugfs_snapshot_regs = debugfs_snapshot_regs_v3_hw,
+};
+
+static struct Scsi_Host *
+hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
+{
+	struct Scsi_Host *shost;
+	struct hisi_hba *hisi_hba;
+	struct device *dev = &pdev->dev;
+
+	shost = scsi_host_alloc(&sht_v3_hw, sizeof(*hisi_hba));
+	if (!shost) {
+		dev_err(dev, "shost alloc failed\n");
+		return NULL;
+	}
+	hisi_hba = shost_priv(shost);
+
+	INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler);
+	INIT_WORK(&hisi_hba->debugfs_work, debugfs_work_handler_v3_hw);
+	hisi_hba->hw = &hisi_sas_v3_hw;
+	hisi_hba->pci_dev = pdev;
+	hisi_hba->dev = dev;
+	hisi_hba->shost = shost;
+	SHOST_TO_SAS_HA(shost) = &hisi_hba->sha;
+
+	if (prot_mask & ~HISI_SAS_PROT_MASK)
+		dev_err(dev, "unsupported protection mask 0x%x, using default (0x0)\n",
+			prot_mask);
+	else
+		hisi_hba->prot_mask = prot_mask;
+
+	if (hisi_sas_get_fw_info(hisi_hba) < 0)
+		goto err_out;
+
+	if (hisi_sas_alloc(hisi_hba)) {
+		hisi_sas_free(hisi_hba);
+		goto err_out;
+	}
+
+	return shost;
+err_out:
+	scsi_host_put(shost);
+	dev_err(dev, "shost alloc failed\n");
+	return NULL;
+}
+
+static void debugfs_snapshot_cq_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int queue_entry_size = hisi_hba->hw->complete_hdr_size;
+	int dump_index = hisi_hba->debugfs_dump_index;
+	int i;
+
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		memcpy(hisi_hba->debugfs_cq[dump_index][i].complete_hdr,
+		       hisi_hba->complete_hdr[i],
+		       HISI_SAS_QUEUE_SLOTS * queue_entry_size);
+}
+
+static void debugfs_snapshot_dq_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int queue_entry_size = sizeof(struct hisi_sas_cmd_hdr);
+	int dump_index = hisi_hba->debugfs_dump_index;
+	int i;
+
+	for (i = 0; i < hisi_hba->queue_count; i++) {
+		struct hisi_sas_cmd_hdr *debugfs_cmd_hdr, *cmd_hdr;
+		int j;
+
+		debugfs_cmd_hdr = hisi_hba->debugfs_dq[dump_index][i].hdr;
+		cmd_hdr = hisi_hba->cmd_hdr[i];
+
+		for (j = 0; j < HISI_SAS_QUEUE_SLOTS; j++)
+			memcpy(&debugfs_cmd_hdr[j], &cmd_hdr[j],
+			       queue_entry_size);
+	}
+}
+
+static void debugfs_snapshot_port_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	const struct hisi_sas_debugfs_reg *port = &debugfs_port_reg;
+	int i, phy_cnt;
+	u32 offset;
+	u32 *databuf;
+
+	for (phy_cnt = 0; phy_cnt < hisi_hba->n_phy; phy_cnt++) {
+		databuf = hisi_hba->debugfs_port_reg[dump_index][phy_cnt].data;
+		for (i = 0; i < port->count; i++, databuf++) {
+			offset = port->base_off + 4 * i;
+			*databuf = hisi_sas_phy_read32(hisi_hba, phy_cnt,
+						       offset);
+		}
+	}
+}
+
+static void debugfs_snapshot_global_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL].data;
+	int i;
+
+	for (i = 0; i < debugfs_global_reg.count; i++, databuf++)
+		*databuf = hisi_sas_read32(hisi_hba, 4 * i);
+}
+
+static void debugfs_snapshot_axi_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI].data;
+	const struct hisi_sas_debugfs_reg *axi = &debugfs_axi_reg;
+	int i;
+
+	for (i = 0; i < axi->count; i++, databuf++)
+		*databuf = hisi_sas_read32(hisi_hba, 4 * i + axi->base_off);
+}
+
+static void debugfs_snapshot_ras_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS].data;
+	const struct hisi_sas_debugfs_reg *ras = &debugfs_ras_reg;
+	int i;
+
+	for (i = 0; i < ras->count; i++, databuf++)
+		*databuf = hisi_sas_read32(hisi_hba, 4 * i + ras->base_off);
+}
+
+static void debugfs_snapshot_itct_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	void *cachebuf = hisi_hba->debugfs_itct_cache[dump_index].cache;
+	void *databuf = hisi_hba->debugfs_itct[dump_index].itct;
+	struct hisi_sas_itct *itct;
+	int i;
+
+	read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_ITCT_CACHE, cachebuf);
+
+	itct = hisi_hba->itct;
+
+	for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
+		memcpy(databuf, itct, sizeof(struct hisi_sas_itct));
+		databuf += sizeof(struct hisi_sas_itct);
+	}
+}
+
+static void debugfs_snapshot_iost_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int dump_index = hisi_hba->debugfs_dump_index;
+	int max_command_entries = HISI_SAS_MAX_COMMANDS;
+	void *cachebuf = hisi_hba->debugfs_iost_cache[dump_index].cache;
+	void *databuf = hisi_hba->debugfs_iost[dump_index].iost;
+	struct hisi_sas_iost *iost;
+	int i;
+
+	read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_IOST_CACHE, cachebuf);
+
+	iost = hisi_hba->iost;
+
+	for (i = 0; i < max_command_entries; i++, iost++) {
+		memcpy(databuf, iost, sizeof(struct hisi_sas_iost));
+		databuf += sizeof(struct hisi_sas_iost);
+	}
+}
+
+static const char *
+debugfs_to_reg_name_v3_hw(int off, int base_off,
+			  const struct hisi_sas_debugfs_reg_lu *lu)
+{
+	for (; lu->name; lu++) {
+		if (off == lu->off - base_off)
+			return lu->name;
+	}
+
+	return NULL;
+}
+
+static void debugfs_print_reg_v3_hw(u32 *regs_val, struct seq_file *s,
+				    const struct hisi_sas_debugfs_reg *reg)
+{
+	int i;
+
+	for (i = 0; i < reg->count; i++) {
+		int off = i * 4;
+		const char *name;
+
+		name = debugfs_to_reg_name_v3_hw(off, reg->base_off,
+						 reg->lu);
+
+		if (name)
+			seq_printf(s, "0x%08x 0x%08x %s\n", off,
+				   regs_val[i], name);
+		else
+			seq_printf(s, "0x%08x 0x%08x\n", off,
+				   regs_val[i]);
+	}
+}
+
+static int debugfs_global_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_regs *global = s->private;
+
+	debugfs_print_reg_v3_hw(global->data, s,
+				&debugfs_global_reg);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_global_v3_hw);
+
+static int debugfs_axi_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_regs *axi = s->private;
+
+	debugfs_print_reg_v3_hw(axi->data, s,
+				&debugfs_axi_reg);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_axi_v3_hw);
+
+static int debugfs_ras_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_regs *ras = s->private;
+
+	debugfs_print_reg_v3_hw(ras->data, s,
+				&debugfs_ras_reg);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_ras_v3_hw);
+
+static int debugfs_port_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_port *port = s->private;
+	const struct hisi_sas_debugfs_reg *reg_port = &debugfs_port_reg;
+
+	debugfs_print_reg_v3_hw(port->data, s, reg_port);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_port_v3_hw);
+
+static void debugfs_show_row_64_v3_hw(struct seq_file *s, int index,
+				      int sz, __le64 *ptr)
+{
+	int i;
+
+	/* completion header size not fixed per HW version */
+	seq_printf(s, "index %04d:\n\t", index);
+	for (i = 1; i <= sz / 8; i++, ptr++) {
+		seq_printf(s, " 0x%016llx", le64_to_cpu(*ptr));
+		if (!(i % 2))
+			seq_puts(s, "\n\t");
+	}
+
+	seq_puts(s, "\n");
+}
+
+static void debugfs_show_row_32_v3_hw(struct seq_file *s, int index,
+				      int sz, __le32 *ptr)
+{
+	int i;
+
+	/* completion header size not fixed per HW version */
+	seq_printf(s, "index %04d:\n\t", index);
+	for (i = 1; i <= sz / 4; i++, ptr++) {
+		seq_printf(s, " 0x%08x", le32_to_cpu(*ptr));
+		if (!(i % 4))
+			seq_puts(s, "\n\t");
+	}
+	seq_puts(s, "\n");
+}
+
+static void debugfs_cq_show_slot_v3_hw(struct seq_file *s, int slot,
+				       struct hisi_sas_debugfs_cq *debugfs_cq)
+{
+	struct hisi_sas_cq *cq = debugfs_cq->cq;
+	struct hisi_hba *hisi_hba = cq->hisi_hba;
+	__le32 *complete_hdr = debugfs_cq->complete_hdr +
+			       (hisi_hba->hw->complete_hdr_size * slot);
+
+	debugfs_show_row_32_v3_hw(s, slot,
+				  hisi_hba->hw->complete_hdr_size,
+				  complete_hdr);
+}
+
+static int debugfs_cq_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_cq *debugfs_cq = s->private;
+	int slot;
+
+	for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
+		debugfs_cq_show_slot_v3_hw(s, slot, debugfs_cq);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_cq_v3_hw);
+
+static void debugfs_dq_show_slot_v3_hw(struct seq_file *s, int slot,
+				       void *dq_ptr)
+{
+	struct hisi_sas_debugfs_dq *debugfs_dq = dq_ptr;
+	void *cmd_queue = debugfs_dq->hdr;
+	__le32 *cmd_hdr = cmd_queue +
+		sizeof(struct hisi_sas_cmd_hdr) * slot;
+
+	debugfs_show_row_32_v3_hw(s, slot, sizeof(struct hisi_sas_cmd_hdr),
+				  cmd_hdr);
+}
+
+static int debugfs_dq_v3_hw_show(struct seq_file *s, void *p)
+{
+	int slot;
+
+	for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
+		debugfs_dq_show_slot_v3_hw(s, slot, s->private);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_dq_v3_hw);
+
+static int debugfs_iost_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_iost *debugfs_iost = s->private;
+	struct hisi_sas_iost *iost = debugfs_iost->iost;
+	int i, max_command_entries = HISI_SAS_MAX_COMMANDS;
+
+	for (i = 0; i < max_command_entries; i++, iost++) {
+		__le64 *data = &iost->qw0;
+
+		debugfs_show_row_64_v3_hw(s, i, sizeof(*iost), data);
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_iost_v3_hw);
+
+static int debugfs_iost_cache_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_iost_cache *debugfs_iost_cache = s->private;
+	struct hisi_sas_iost_itct_cache *iost_cache =
+						debugfs_iost_cache->cache;
+	u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
+	int i, tab_idx;
+	__le64 *iost;
+
+	for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, iost_cache++) {
+		/*
+		 * Data struct of IOST cache:
+		 * Data[1]: BIT0~15: Table index
+		 *	    Bit16:   Valid mask
+		 * Data[2]~[9]: IOST table
+		 */
+		tab_idx = (iost_cache->data[1] & 0xffff);
+		iost = (__le64 *)iost_cache;
+
+		debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, iost);
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_iost_cache_v3_hw);
+
+static int debugfs_itct_v3_hw_show(struct seq_file *s, void *p)
+{
+	int i;
+	struct hisi_sas_debugfs_itct *debugfs_itct = s->private;
+	struct hisi_sas_itct *itct = debugfs_itct->itct;
+
+	for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
+		__le64 *data = &itct->qw0;
+
+		debugfs_show_row_64_v3_hw(s, i, sizeof(*itct), data);
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_itct_v3_hw);
+
+static int debugfs_itct_cache_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_debugfs_itct_cache *debugfs_itct_cache = s->private;
+	struct hisi_sas_iost_itct_cache *itct_cache =
+						debugfs_itct_cache->cache;
+	u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
+	int i, tab_idx;
+	__le64 *itct;
+
+	for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, itct_cache++) {
+		/*
+		 * Data struct of ITCT cache:
+		 * Data[1]: BIT0~15: Table index
+		 *	    Bit16:   Valid mask
+		 * Data[2]~[9]: ITCT table
+		 */
+		tab_idx = itct_cache->data[1] & 0xffff;
+		itct = (__le64 *)itct_cache;
+
+		debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, itct);
+	}
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_itct_cache_v3_hw);
+
+static void debugfs_create_files_v3_hw(struct hisi_hba *hisi_hba)
+{
+	u64 *debugfs_timestamp;
+	int dump_index = hisi_hba->debugfs_dump_index;
+	struct dentry *dump_dentry;
+	struct dentry *dentry;
+	char name[256];
+	int p;
+	int c;
+	int d;
+
+	snprintf(name, 256, "%d", dump_index);
+
+	dump_dentry = debugfs_create_dir(name, hisi_hba->debugfs_dump_dentry);
+
+	debugfs_timestamp = &hisi_hba->debugfs_timestamp[dump_index];
+
+	debugfs_create_u64("timestamp", 0400, dump_dentry,
+			   debugfs_timestamp);
+
+	debugfs_create_file("global", 0400, dump_dentry,
+			    &hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL],
+			    &debugfs_global_v3_hw_fops);
+
+	/* Create port dir and files */
+	dentry = debugfs_create_dir("port", dump_dentry);
+	for (p = 0; p < hisi_hba->n_phy; p++) {
+		snprintf(name, 256, "%d", p);
+
+		debugfs_create_file(name, 0400, dentry,
+				    &hisi_hba->debugfs_port_reg[dump_index][p],
+				    &debugfs_port_v3_hw_fops);
+	}
+
+	/* Create CQ dir and files */
+	dentry = debugfs_create_dir("cq", dump_dentry);
+	for (c = 0; c < hisi_hba->queue_count; c++) {
+		snprintf(name, 256, "%d", c);
+
+		debugfs_create_file(name, 0400, dentry,
+				    &hisi_hba->debugfs_cq[dump_index][c],
+				    &debugfs_cq_v3_hw_fops);
+	}
+
+	/* Create DQ dir and files */
+	dentry = debugfs_create_dir("dq", dump_dentry);
+	for (d = 0; d < hisi_hba->queue_count; d++) {
+		snprintf(name, 256, "%d", d);
+
+		debugfs_create_file(name, 0400, dentry,
+				    &hisi_hba->debugfs_dq[dump_index][d],
+				    &debugfs_dq_v3_hw_fops);
+	}
+
+	debugfs_create_file("iost", 0400, dump_dentry,
+			    &hisi_hba->debugfs_iost[dump_index],
+			    &debugfs_iost_v3_hw_fops);
+
+	debugfs_create_file("iost_cache", 0400, dump_dentry,
+			    &hisi_hba->debugfs_iost_cache[dump_index],
+			    &debugfs_iost_cache_v3_hw_fops);
+
+	debugfs_create_file("itct", 0400, dump_dentry,
+			    &hisi_hba->debugfs_itct[dump_index],
+			    &debugfs_itct_v3_hw_fops);
+
+	debugfs_create_file("itct_cache", 0400, dump_dentry,
+			    &hisi_hba->debugfs_itct_cache[dump_index],
+			    &debugfs_itct_cache_v3_hw_fops);
+
+	debugfs_create_file("axi", 0400, dump_dentry,
+			    &hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI],
+			    &debugfs_axi_v3_hw_fops);
+
+	debugfs_create_file("ras", 0400, dump_dentry,
+			    &hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS],
+			    &debugfs_ras_v3_hw_fops);
+}
+
+static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int debugfs_dump_index = hisi_hba->debugfs_dump_index;
+	struct device *dev = hisi_hba->dev;
+	u64 timestamp = local_clock();
+
+	if (debugfs_dump_index >= hisi_sas_debugfs_dump_count) {
+		dev_warn(dev, "dump count exceeded!\n");
+		return;
+	}
+
+	do_div(timestamp, NSEC_PER_MSEC);
+	hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp;
+
+	debugfs_snapshot_prepare_v3_hw(hisi_hba);
+
+	debugfs_snapshot_global_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_port_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_axi_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_ras_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_cq_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_dq_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_itct_reg_v3_hw(hisi_hba);
+	debugfs_snapshot_iost_reg_v3_hw(hisi_hba);
+
+	debugfs_create_files_v3_hw(hisi_hba);
+
+	debugfs_snapshot_restore_v3_hw(hisi_hba);
+	hisi_hba->debugfs_dump_index++;
+}
+
+static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file,
+						const char __user *user_buf,
+						size_t count, loff_t *ppos)
+{
+	struct hisi_hba *hisi_hba = file->f_inode->i_private;
+	char buf[8];
+
+	if (hisi_hba->debugfs_dump_index >= hisi_sas_debugfs_dump_count)
+		return -EFAULT;
+
+	if (count > 8)
+		return -EFAULT;
+
+	if (copy_from_user(buf, user_buf, count))
+		return -EFAULT;
+
+	if (buf[0] != '1')
+		return -EFAULT;
+
+	queue_work(hisi_hba->wq, &hisi_hba->debugfs_work);
+
+	return count;
+}
+
+static const struct file_operations debugfs_trigger_dump_v3_hw_fops = {
+	.write = &debugfs_trigger_dump_v3_hw_write,
+	.owner = THIS_MODULE,
+};
+
+enum {
+	HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL = 0,
+	HISI_SAS_BIST_LOOPBACK_MODE_SERDES,
+	HISI_SAS_BIST_LOOPBACK_MODE_REMOTE,
+};
+
+static const struct {
+	int		value;
+	char		*name;
+} debugfs_loop_linkrate_v3_hw[] = {
+	{ SAS_LINK_RATE_1_5_GBPS, "1.5 Gbit" },
+	{ SAS_LINK_RATE_3_0_GBPS, "3.0 Gbit" },
+	{ SAS_LINK_RATE_6_0_GBPS, "6.0 Gbit" },
+	{ SAS_LINK_RATE_12_0_GBPS, "12.0 Gbit" },
+};
+
+static int debugfs_bist_linkrate_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
+		int match = (hisi_hba->debugfs_bist_linkrate ==
+			     debugfs_loop_linkrate_v3_hw[i].value);
+
+		seq_printf(s, "%s%s%s ", match ? "[" : "",
+			   debugfs_loop_linkrate_v3_hw[i].name,
+			   match ? "]" : "");
+	}
+	seq_puts(s, "\n");
+
+	return 0;
+}
+
+static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp,
+						 const char __user *buf,
+						 size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	char kbuf[16] = {}, *pkbuf;
+	bool found = false;
+	int i;
+
+	if (hisi_hba->debugfs_bist_enable)
+		return -EPERM;
+
+	if (count >= sizeof(kbuf))
+		return -EOVERFLOW;
+
+	if (copy_from_user(kbuf, buf, count))
+		return -EINVAL;
+
+	pkbuf = strstrip(kbuf);
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
+		if (!strncmp(debugfs_loop_linkrate_v3_hw[i].name,
+			     pkbuf, 16)) {
+			hisi_hba->debugfs_bist_linkrate =
+				debugfs_loop_linkrate_v3_hw[i].value;
+			found = true;
+			break;
+		}
+	}
+
+	if (!found)
+		return -EINVAL;
+
+	return count;
+}
+
+static int debugfs_bist_linkrate_v3_hw_open(struct inode *inode,
+					    struct file *filp)
+{
+	return single_open(filp, debugfs_bist_linkrate_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_linkrate_v3_hw_fops = {
+	.open = debugfs_bist_linkrate_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_linkrate_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct {
+	int		value;
+	char		*name;
+} debugfs_loop_code_mode_v3_hw[] = {
+	{ HISI_SAS_BIST_CODE_MODE_PRBS7, "PRBS7" },
+	{ HISI_SAS_BIST_CODE_MODE_PRBS23, "PRBS23" },
+	{ HISI_SAS_BIST_CODE_MODE_PRBS31, "PRBS31" },
+	{ HISI_SAS_BIST_CODE_MODE_JTPAT, "JTPAT" },
+	{ HISI_SAS_BIST_CODE_MODE_CJTPAT, "CJTPAT" },
+	{ HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, "SCRAMBED_0" },
+	{ HISI_SAS_BIST_CODE_MODE_TRAIN, "TRAIN" },
+	{ HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, "TRAIN_DONE" },
+	{ HISI_SAS_BIST_CODE_MODE_HFTP, "HFTP" },
+	{ HISI_SAS_BIST_CODE_MODE_MFTP, "MFTP" },
+	{ HISI_SAS_BIST_CODE_MODE_LFTP, "LFTP" },
+	{ HISI_SAS_BIST_CODE_MODE_FIXED_DATA, "FIXED_DATA" },
+};
+
+static int debugfs_bist_code_mode_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
+		int match = (hisi_hba->debugfs_bist_code_mode ==
+			     debugfs_loop_code_mode_v3_hw[i].value);
+
+		seq_printf(s, "%s%s%s ", match ? "[" : "",
+			   debugfs_loop_code_mode_v3_hw[i].name,
+			   match ? "]" : "");
+	}
+	seq_puts(s, "\n");
+
+	return 0;
+}
+
+static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp,
+						  const char __user *buf,
+						  size_t count,
+						  loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	char kbuf[16] = {}, *pkbuf;
+	bool found = false;
+	int i;
+
+	if (hisi_hba->debugfs_bist_enable)
+		return -EPERM;
+
+	if (count >= sizeof(kbuf))
+		return -EINVAL;
+
+	if (copy_from_user(kbuf, buf, count))
+		return -EOVERFLOW;
+
+	pkbuf = strstrip(kbuf);
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
+		if (!strncmp(debugfs_loop_code_mode_v3_hw[i].name,
+			     pkbuf, 16)) {
+			hisi_hba->debugfs_bist_code_mode =
+				debugfs_loop_code_mode_v3_hw[i].value;
+			found = true;
+			break;
+		}
+	}
+
+	if (!found)
+		return -EINVAL;
+
+	return count;
+}
+
+static int debugfs_bist_code_mode_v3_hw_open(struct inode *inode,
+					     struct file *filp)
+{
+	return single_open(filp, debugfs_bist_code_mode_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_code_mode_v3_hw_fops = {
+	.open = debugfs_bist_code_mode_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_code_mode_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp,
+					    const char __user *buf,
+					    size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	unsigned int phy_no;
+	int val;
+
+	if (hisi_hba->debugfs_bist_enable)
+		return -EPERM;
+
+	val = kstrtouint_from_user(buf, count, 0, &phy_no);
+	if (val)
+		return val;
+
+	if (phy_no >= hisi_hba->n_phy)
+		return -EINVAL;
+
+	hisi_hba->debugfs_bist_phy_no = phy_no;
+
+	return count;
+}
+
+static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+
+	seq_printf(s, "%d\n", hisi_hba->debugfs_bist_phy_no);
+
+	return 0;
+}
+
+static int debugfs_bist_phy_v3_hw_open(struct inode *inode,
+				       struct file *filp)
+{
+	return single_open(filp, debugfs_bist_phy_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_phy_v3_hw_fops = {
+	.open = debugfs_bist_phy_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_phy_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp,
+					const char __user *buf,
+					size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	unsigned int cnt;
+	int val;
+
+	if (hisi_hba->debugfs_bist_enable)
+		return -EPERM;
+
+	val = kstrtouint_from_user(buf, count, 0, &cnt);
+	if (val)
+		return val;
+
+	if (cnt)
+		return -EINVAL;
+
+	hisi_hba->debugfs_bist_cnt = 0;
+	return count;
+}
+
+static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+
+	seq_printf(s, "%u\n", hisi_hba->debugfs_bist_cnt);
+
+	return 0;
+}
+
+static int debugfs_bist_cnt_v3_hw_open(struct inode *inode,
+					  struct file *filp)
+{
+	return single_open(filp, debugfs_bist_cnt_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_cnt_v3_hw_ops = {
+	.open = debugfs_bist_cnt_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_cnt_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct {
+	int		value;
+	char		*name;
+} debugfs_loop_modes_v3_hw[] = {
+	{ HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL, "digital" },
+	{ HISI_SAS_BIST_LOOPBACK_MODE_SERDES, "serdes" },
+	{ HISI_SAS_BIST_LOOPBACK_MODE_REMOTE, "remote" },
+};
+
+static int debugfs_bist_mode_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
+		int match = (hisi_hba->debugfs_bist_mode ==
+			     debugfs_loop_modes_v3_hw[i].value);
+
+		seq_printf(s, "%s%s%s ", match ? "[" : "",
+			   debugfs_loop_modes_v3_hw[i].name,
+			   match ? "]" : "");
+	}
+	seq_puts(s, "\n");
+
+	return 0;
+}
+
+static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp,
+					     const char __user *buf,
+					     size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	char kbuf[16] = {}, *pkbuf;
+	bool found = false;
+	int i;
+
+	if (hisi_hba->debugfs_bist_enable)
+		return -EPERM;
+
+	if (count >= sizeof(kbuf))
+		return -EINVAL;
+
+	if (copy_from_user(kbuf, buf, count))
+		return -EOVERFLOW;
+
+	pkbuf = strstrip(kbuf);
+
+	for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
+		if (!strncmp(debugfs_loop_modes_v3_hw[i].name, pkbuf, 16)) {
+			hisi_hba->debugfs_bist_mode =
+				debugfs_loop_modes_v3_hw[i].value;
+			found = true;
+			break;
+		}
+	}
+
+	if (!found)
+		return -EINVAL;
+
+	return count;
+}
+
+static int debugfs_bist_mode_v3_hw_open(struct inode *inode,
+					struct file *filp)
+{
+	return single_open(filp, debugfs_bist_mode_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_mode_v3_hw_fops = {
+	.open = debugfs_bist_mode_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_mode_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp,
+					       const char __user *buf,
+					       size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	struct hisi_hba *hisi_hba = m->private;
+	unsigned int enable;
+	int val;
+
+	val = kstrtouint_from_user(buf, count, 0, &enable);
+	if (val)
+		return val;
+
+	if (enable > 1)
+		return -EINVAL;
+
+	if (enable == hisi_hba->debugfs_bist_enable)
+		return count;
+
+	val = debugfs_set_bist_v3_hw(hisi_hba, enable);
+	if (val < 0)
+		return val;
+
+	hisi_hba->debugfs_bist_enable = enable;
+
+	return count;
+}
+
+static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_hba *hisi_hba = s->private;
+
+	seq_printf(s, "%d\n", hisi_hba->debugfs_bist_enable);
+
+	return 0;
+}
+
+static int debugfs_bist_enable_v3_hw_open(struct inode *inode,
+					  struct file *filp)
+{
+	return single_open(filp, debugfs_bist_enable_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_bist_enable_v3_hw_fops = {
+	.open = debugfs_bist_enable_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_bist_enable_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static const struct {
+	char *name;
+} debugfs_ffe_name_v3_hw[FFE_CFG_MAX] = {
+	{ "SAS_1_5_GBPS" },
+	{ "SAS_3_0_GBPS" },
+	{ "SAS_6_0_GBPS" },
+	{ "SAS_12_0_GBPS" },
+	{ "FFE_RESV" },
+	{ "SATA_1_5_GBPS" },
+	{ "SATA_3_0_GBPS" },
+	{ "SATA_6_0_GBPS" },
+};
+
+static ssize_t debugfs_v3_hw_write(struct file *filp,
+				   const char __user *buf,
+				   size_t count, loff_t *ppos)
+{
+	struct seq_file *m = filp->private_data;
+	u32 *val = m->private;
+	int res;
+
+	res = kstrtouint_from_user(buf, count, 0, val);
+	if (res)
+		return res;
+
+	return count;
+}
+
+static int debugfs_v3_hw_show(struct seq_file *s, void *p)
+{
+	u32 *val = s->private;
+
+	seq_printf(s, "0x%x\n", *val);
+
+	return 0;
+}
+
+static int debugfs_v3_hw_open(struct inode *inode, struct file *filp)
+{
+	return single_open(filp, debugfs_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_v3_hw_fops = {
+	.open = debugfs_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp,
+						const char __user *buf,
+						size_t count, loff_t *ppos)
+{
+	struct seq_file *s = filp->private_data;
+	struct hisi_sas_phy *phy = s->private;
+	unsigned int set_val;
+	int res;
+
+	res = kstrtouint_from_user(buf, count, 0, &set_val);
+	if (res)
+		return res;
+
+	if (set_val > 0)
+		return -EINVAL;
+
+	atomic_set(&phy->down_cnt, 0);
+
+	return count;
+}
+
+static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_phy *phy = s->private;
+
+	seq_printf(s, "%d\n", atomic_read(&phy->down_cnt));
+
+	return 0;
+}
+
+static int debugfs_phy_down_cnt_v3_hw_open(struct inode *inode,
+					   struct file *filp)
+{
+	return single_open(filp, debugfs_phy_down_cnt_v3_hw_show,
+			   inode->i_private);
+}
+
+static const struct file_operations debugfs_phy_down_cnt_v3_hw_fops = {
+	.open = debugfs_phy_down_cnt_v3_hw_open,
+	.read = seq_read,
+	.write = debugfs_phy_down_cnt_v3_hw_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+	.owner = THIS_MODULE,
+};
+
+enum fifo_dump_mode_v3_hw {
+	FIFO_DUMP_FORVER =		(1U << 0),
+	FIFO_DUMP_AFTER_TRIGGER =	(1U << 1),
+	FIFO_DUMP_UNTILL_TRIGGER =	(1U << 2),
+};
+
+enum fifo_trigger_mode_v3_hw {
+	FIFO_TRIGGER_EDGE =		(1U << 0),
+	FIFO_TRIGGER_SAME_LEVEL =	(1U << 1),
+	FIFO_TRIGGER_DIFF_LEVEL =	(1U << 2),
+};
+
+static int debugfs_is_fifo_config_valid_v3_hw(struct hisi_sas_phy *phy)
+{
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+
+	if (phy->fifo.signal_sel > 0xf) {
+		dev_info(hisi_hba->dev, "Invalid signal select: %u\n",
+			 phy->fifo.signal_sel);
+		return -EINVAL;
+	}
+
+	switch (phy->fifo.dump_mode) {
+	case FIFO_DUMP_FORVER:
+	case FIFO_DUMP_AFTER_TRIGGER:
+	case FIFO_DUMP_UNTILL_TRIGGER:
+		break;
+	default:
+		dev_info(hisi_hba->dev, "Invalid dump mode: %u\n",
+			 phy->fifo.dump_mode);
+		return -EINVAL;
+	}
+
+	/* when FIFO_DUMP_FORVER, no need to check trigger_mode */
+	if (phy->fifo.dump_mode == FIFO_DUMP_FORVER)
+		return 0;
+
+	switch (phy->fifo.trigger_mode) {
+	case FIFO_TRIGGER_EDGE:
+	case FIFO_TRIGGER_SAME_LEVEL:
+	case FIFO_TRIGGER_DIFF_LEVEL:
+		break;
+	default:
+		dev_info(hisi_hba->dev, "Invalid trigger mode: %u\n",
+			 phy->fifo.trigger_mode);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int debugfs_update_fifo_config_v3_hw(struct hisi_sas_phy *phy)
+{
+	u32 trigger_mode = phy->fifo.trigger_mode;
+	u32 signal_sel = phy->fifo.signal_sel;
+	u32 dump_mode = phy->fifo.dump_mode;
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	int phy_no = phy->sas_phy.id;
+	u32 reg_val;
+	int res;
+
+	/* Check the validity of trace FIFO configuration */
+	res = debugfs_is_fifo_config_valid_v3_hw(phy);
+	if (res)
+		return res;
+
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+	/* Disable trace FIFO before update configuration */
+	reg_val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
+
+	/* Update trace FIFO configuration */
+	reg_val &= ~(DFX_FIFO_CTRL_DUMP_MODE_MSK |
+		     DFX_FIFO_CTRL_SIGNAL_SEL_MSK |
+		     DFX_FIFO_CTRL_TRIGGER_MODE_MSK);
+
+	reg_val |= ((trigger_mode << DFX_FIFO_CTRL_TRIGGER_MODE_OFF) |
+		    (dump_mode << DFX_FIFO_CTRL_DUMP_MODE_OFF) |
+		    (signal_sel << DFX_FIFO_CTRL_SIGNAL_SEL_OFF));
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK,
+			     phy->fifo.dump_msk);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER,
+			     phy->fifo.trigger);
+
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK,
+			     phy->fifo.trigger_msk);
+
+	/* Enable trace FIFO after updated configuration */
+	reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+	reg_val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
+
+	return 0;
+}
+
+static ssize_t debugfs_fifo_update_cfg_v3_hw_write(struct file *filp,
+						   const char __user *buf,
+						   size_t count, loff_t *ppos)
+{
+	struct hisi_sas_phy *phy = filp->private_data;
+	bool update;
+	int val;
+
+	val = kstrtobool_from_user(buf, count, &update);
+	if (val)
+		return val;
+
+	if (update != 1)
+		return -EINVAL;
+
+	val = debugfs_update_fifo_config_v3_hw(phy);
+	if (val)
+		return val;
+
+	return count;
+}
+
+static const struct file_operations debugfs_fifo_update_cfg_v3_hw_fops = {
+	.open = simple_open,
+	.write = debugfs_fifo_update_cfg_v3_hw_write,
+	.owner = THIS_MODULE,
+};
+
+static void debugfs_read_fifo_data_v3_hw(struct hisi_sas_phy *phy)
+{
+	struct hisi_hba *hisi_hba = phy->hisi_hba;
+	u32 *buf = phy->fifo.rd_data;
+	int phy_no = phy->sas_phy.id;
+	u32 val;
+	int i;
+
+	memset(buf, 0, sizeof(phy->fifo.rd_data));
+
+	/* Disable trace FIFO before read data */
+	val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+	val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
+
+	for (i = 0; i < HISI_SAS_FIFO_DATA_DW_SIZE; i++) {
+		val = hisi_sas_phy_read32(hisi_hba, phy_no,
+					  DFX_FIFO_RD_DATA);
+		buf[i] = val;
+	}
+
+	/* Enable trace FIFO after read data */
+	val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+	val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
+	hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
+}
+
+static int debugfs_fifo_data_v3_hw_show(struct seq_file *s, void *p)
+{
+	struct hisi_sas_phy *phy = s->private;
+
+	debugfs_read_fifo_data_v3_hw(phy);
+
+	debugfs_show_row_32_v3_hw(s, 0, HISI_SAS_FIFO_DATA_DW_SIZE * 4,
+				  phy->fifo.rd_data);
+
+	return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_fifo_data_v3_hw);
+
+static void debugfs_fifo_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	int phy_no;
+
+	hisi_hba->debugfs_fifo_dentry =
+			debugfs_create_dir("fifo", hisi_hba->debugfs_dir);
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
+		struct dentry *port_dentry;
+		char name[256];
+		u32 val;
+
+		/* get default configuration for trace FIFO */
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+		val &= DFX_FIFO_CTRL_DUMP_MODE_MSK;
+		val >>= DFX_FIFO_CTRL_DUMP_MODE_OFF;
+		phy->fifo.dump_mode = val;
+
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+		val &= DFX_FIFO_CTRL_TRIGGER_MODE_MSK;
+		val >>= DFX_FIFO_CTRL_TRIGGER_MODE_OFF;
+		phy->fifo.trigger_mode = val;
+
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
+		val &= DFX_FIFO_CTRL_SIGNAL_SEL_MSK;
+		val >>= DFX_FIFO_CTRL_SIGNAL_SEL_OFF;
+		phy->fifo.signal_sel = val;
+
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK);
+		phy->fifo.dump_msk = val;
+
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER);
+		phy->fifo.trigger = val;
+		val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK);
+		phy->fifo.trigger_msk = val;
+
+		snprintf(name, 256, "%d", phy_no);
+		port_dentry = debugfs_create_dir(name,
+						 hisi_hba->debugfs_fifo_dentry);
+
+		debugfs_create_file("update_config", 0200, port_dentry, phy,
+				    &debugfs_fifo_update_cfg_v3_hw_fops);
+
+		debugfs_create_file("signal_sel", 0600, port_dentry,
+				    &phy->fifo.signal_sel,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("dump_msk", 0600, port_dentry,
+				    &phy->fifo.dump_msk,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("dump_mode", 0600, port_dentry,
+				    &phy->fifo.dump_mode,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("trigger_mode", 0600, port_dentry,
+				    &phy->fifo.trigger_mode,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("trigger", 0600, port_dentry,
+				    &phy->fifo.trigger,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("trigger_msk", 0600, port_dentry,
+				    &phy->fifo.trigger_msk,
+				    &debugfs_v3_hw_fops);
+
+		debugfs_create_file("fifo_data", 0400, port_dentry, phy,
+				    &debugfs_fifo_data_v3_hw_fops);
+	}
+}
+
+static void debugfs_work_handler_v3_hw(struct work_struct *work)
+{
+	struct hisi_hba *hisi_hba =
+		container_of(work, struct hisi_hba, debugfs_work);
+
+	debugfs_snapshot_regs_v3_hw(hisi_hba);
+}
+
+static void debugfs_release_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
+{
+	struct device *dev = hisi_hba->dev;
+	int i;
+
+	devm_kfree(dev, hisi_hba->debugfs_iost_cache[dump_index].cache);
+	devm_kfree(dev, hisi_hba->debugfs_itct_cache[dump_index].cache);
+	devm_kfree(dev, hisi_hba->debugfs_iost[dump_index].iost);
+	devm_kfree(dev, hisi_hba->debugfs_itct[dump_index].itct);
+
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		devm_kfree(dev, hisi_hba->debugfs_dq[dump_index][i].hdr);
+
+	for (i = 0; i < hisi_hba->queue_count; i++)
+		devm_kfree(dev,
+			   hisi_hba->debugfs_cq[dump_index][i].complete_hdr);
+
+	for (i = 0; i < DEBUGFS_REGS_NUM; i++)
+		devm_kfree(dev, hisi_hba->debugfs_regs[dump_index][i].data);
+
+	for (i = 0; i < hisi_hba->n_phy; i++)
+		devm_kfree(dev, hisi_hba->debugfs_port_reg[dump_index][i].data);
+}
+
+static const struct hisi_sas_debugfs_reg *debugfs_reg_array_v3_hw[DEBUGFS_REGS_NUM] = {
+	[DEBUGFS_GLOBAL] = &debugfs_global_reg,
+	[DEBUGFS_AXI] = &debugfs_axi_reg,
+	[DEBUGFS_RAS] = &debugfs_ras_reg,
+};
+
+static int debugfs_alloc_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
+{
+	const struct hisi_sas_hw *hw = hisi_hba->hw;
+	struct device *dev = hisi_hba->dev;
+	int p, c, d, r, i;
+	size_t sz;
+
+	for (r = 0; r < DEBUGFS_REGS_NUM; r++) {
+		struct hisi_sas_debugfs_regs *regs =
+				&hisi_hba->debugfs_regs[dump_index][r];
+
+		sz = debugfs_reg_array_v3_hw[r]->count * 4;
+		regs->data = devm_kmalloc(dev, sz, GFP_KERNEL);
+		if (!regs->data)
+			goto fail;
+		regs->hisi_hba = hisi_hba;
+	}
+
+	sz = debugfs_port_reg.count * 4;
+	for (p = 0; p < hisi_hba->n_phy; p++) {
+		struct hisi_sas_debugfs_port *port =
+				&hisi_hba->debugfs_port_reg[dump_index][p];
+
+		port->data = devm_kmalloc(dev, sz, GFP_KERNEL);
+		if (!port->data)
+			goto fail;
+		port->phy = &hisi_hba->phy[p];
+	}
+
+	sz = hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
+	for (c = 0; c < hisi_hba->queue_count; c++) {
+		struct hisi_sas_debugfs_cq *cq =
+				&hisi_hba->debugfs_cq[dump_index][c];
+
+		cq->complete_hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
+		if (!cq->complete_hdr)
+			goto fail;
+		cq->cq = &hisi_hba->cq[c];
+	}
+
+	sz = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
+	for (d = 0; d < hisi_hba->queue_count; d++) {
+		struct hisi_sas_debugfs_dq *dq =
+				&hisi_hba->debugfs_dq[dump_index][d];
+
+		dq->hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
+		if (!dq->hdr)
+			goto fail;
+		dq->dq = &hisi_hba->dq[d];
+	}
+
+	sz = HISI_SAS_MAX_COMMANDS * sizeof(struct hisi_sas_iost);
+
+	hisi_hba->debugfs_iost[dump_index].iost =
+				devm_kmalloc(dev, sz, GFP_KERNEL);
+	if (!hisi_hba->debugfs_iost[dump_index].iost)
+		goto fail;
+
+	sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
+	     sizeof(struct hisi_sas_iost_itct_cache);
+
+	hisi_hba->debugfs_iost_cache[dump_index].cache =
+				devm_kmalloc(dev, sz, GFP_KERNEL);
+	if (!hisi_hba->debugfs_iost_cache[dump_index].cache)
+		goto fail;
+
+	sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
+	     sizeof(struct hisi_sas_iost_itct_cache);
+
+	hisi_hba->debugfs_itct_cache[dump_index].cache =
+				devm_kmalloc(dev, sz, GFP_KERNEL);
+	if (!hisi_hba->debugfs_itct_cache[dump_index].cache)
+		goto fail;
+
+	/* New memory allocation must be locate before itct */
+	sz = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
+
+	hisi_hba->debugfs_itct[dump_index].itct =
+				devm_kmalloc(dev, sz, GFP_KERNEL);
+	if (!hisi_hba->debugfs_itct[dump_index].itct)
+		goto fail;
+
+	return 0;
+fail:
+	for (i = 0; i < hisi_sas_debugfs_dump_count; i++)
+		debugfs_release_v3_hw(hisi_hba, i);
+	return -ENOMEM;
+}
+
+static void debugfs_phy_down_cnt_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct dentry *dir = debugfs_create_dir("phy_down_cnt",
+						hisi_hba->debugfs_dir);
+	char name[16];
+	int phy_no;
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		snprintf(name, 16, "%d", phy_no);
+		debugfs_create_file(name, 0600, dir,
+				    &hisi_hba->phy[phy_no],
+				    &debugfs_phy_down_cnt_v3_hw_fops);
+	}
+}
+
+static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct dentry *ports_dentry;
+	int phy_no;
+
+	hisi_hba->debugfs_bist_dentry =
+			debugfs_create_dir("bist", hisi_hba->debugfs_dir);
+	debugfs_create_file("link_rate", 0600,
+			    hisi_hba->debugfs_bist_dentry, hisi_hba,
+			    &debugfs_bist_linkrate_v3_hw_fops);
+
+	debugfs_create_file("code_mode", 0600,
+			    hisi_hba->debugfs_bist_dentry, hisi_hba,
+			    &debugfs_bist_code_mode_v3_hw_fops);
+
+	debugfs_create_file("fixed_code", 0600,
+			    hisi_hba->debugfs_bist_dentry,
+			    &hisi_hba->debugfs_bist_fixed_code[0],
+			    &debugfs_v3_hw_fops);
+
+	debugfs_create_file("fixed_code_1", 0600,
+			    hisi_hba->debugfs_bist_dentry,
+			    &hisi_hba->debugfs_bist_fixed_code[1],
+			    &debugfs_v3_hw_fops);
+
+	debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry,
+			    hisi_hba, &debugfs_bist_phy_v3_hw_fops);
+
+	debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry,
+			    hisi_hba, &debugfs_bist_cnt_v3_hw_ops);
+
+	debugfs_create_file("loopback_mode", 0600,
+			    hisi_hba->debugfs_bist_dentry,
+			    hisi_hba, &debugfs_bist_mode_v3_hw_fops);
+
+	debugfs_create_file("enable", 0600, hisi_hba->debugfs_bist_dentry,
+			    hisi_hba, &debugfs_bist_enable_v3_hw_fops);
+
+	ports_dentry = debugfs_create_dir("port", hisi_hba->debugfs_bist_dentry);
+
+	for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+		struct dentry *port_dentry;
+		struct dentry *ffe_dentry;
+		char name[256];
+		int i;
+
+		snprintf(name, 256, "%d", phy_no);
+		port_dentry = debugfs_create_dir(name, ports_dentry);
+		ffe_dentry = debugfs_create_dir("ffe", port_dentry);
+		for (i = 0; i < FFE_CFG_MAX; i++) {
+			if (i == FFE_RESV)
+				continue;
+			debugfs_create_file(debugfs_ffe_name_v3_hw[i].name,
+					    0600, ffe_dentry,
+					    &hisi_hba->debugfs_bist_ffe[phy_no][i],
+					    &debugfs_v3_hw_fops);
+		}
+	}
+
+	hisi_hba->debugfs_bist_linkrate = SAS_LINK_RATE_1_5_GBPS;
+}
+
+static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba)
+{
+	debugfs_remove_recursive(hisi_hba->debugfs_dir);
+	hisi_hba->debugfs_dir = NULL;
+}
+
+static void debugfs_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+	struct device *dev = hisi_hba->dev;
+	int i;
+
+	hisi_hba->debugfs_dir = debugfs_create_dir(dev_name(dev),
+						   hisi_sas_debugfs_dir);
+	debugfs_create_file("trigger_dump", 0200,
+			    hisi_hba->debugfs_dir,
+			    hisi_hba,
+			    &debugfs_trigger_dump_v3_hw_fops);
+
+	/* create bist structures */
+	debugfs_bist_init_v3_hw(hisi_hba);
+
+	hisi_hba->debugfs_dump_dentry =
+			debugfs_create_dir("dump", hisi_hba->debugfs_dir);
+
+	debugfs_phy_down_cnt_init_v3_hw(hisi_hba);
+	debugfs_fifo_init_v3_hw(hisi_hba);
+
+	for (i = 0; i < hisi_sas_debugfs_dump_count; i++) {
+		if (debugfs_alloc_v3_hw(hisi_hba, i)) {
+			debugfs_exit_v3_hw(hisi_hba);
+			dev_dbg(dev, "failed to init debugfs!\n");
+			break;
+		}
+	}
+}
+
+static int
+hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	struct Scsi_Host *shost;
+	struct hisi_hba *hisi_hba;
+	struct device *dev = &pdev->dev;
+	struct asd_sas_phy **arr_phy;
+	struct asd_sas_port **arr_port;
+	struct sas_ha_struct *sha;
+	int rc, phy_nr, port_nr, i;
+
+	rc = pcim_enable_device(pdev);
+	if (rc)
+		goto err_out;
+
+	pci_set_master(pdev);
+
+	rc = pcim_iomap_regions(pdev, 1 << BAR_NO_V3_HW, DRV_NAME);
+	if (rc)
+		goto err_out;
+
+	rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (rc) {
+		dev_err(dev, "No usable DMA addressing method\n");
+		rc = -ENODEV;
+		goto err_out;
+	}
+
+	shost = hisi_sas_shost_alloc_pci(pdev);
+	if (!shost) {
+		rc = -ENOMEM;
+		goto err_out;
+	}
+
+	sha = SHOST_TO_SAS_HA(shost);
+	hisi_hba = shost_priv(shost);
+	dev_set_drvdata(dev, sha);
+
+	hisi_hba->regs = pcim_iomap_table(pdev)[BAR_NO_V3_HW];
+	if (!hisi_hba->regs) {
+		dev_err(dev, "cannot map register\n");
+		rc = -ENOMEM;
+		goto err_out_free_host;
+	}
+
+	phy_nr = port_nr = hisi_hba->n_phy;
+
+	arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
+	arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL);
+	if (!arr_phy || !arr_port) {
+		rc = -ENOMEM;
+		goto err_out_free_host;
+	}
+
+	sha->sas_phy = arr_phy;
+	sha->sas_port = arr_port;
+	sha->core.shost = shost;
+	sha->lldd_ha = hisi_hba;
+
+	shost->transportt = hisi_sas_stt;
+	shost->max_id = HISI_SAS_MAX_DEVICES;
+	shost->max_lun = ~0;
+	shost->max_channel = 1;
+	shost->max_cmd_len = 16;
+	shost->can_queue = HISI_SAS_UNRESERVED_IPTT;
+	shost->cmd_per_lun = HISI_SAS_UNRESERVED_IPTT;
+
+	sha->sas_ha_name = DRV_NAME;
+	sha->dev = dev;
+	sha->lldd_module = THIS_MODULE;
+	sha->sas_addr = &hisi_hba->sas_addr[0];
+	sha->num_phys = hisi_hba->n_phy;
+
+	for (i = 0; i < hisi_hba->n_phy; i++) {
+		sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
+		sha->sas_port[i] = &hisi_hba->port[i].sas_port;
+	}
+
+	if (hisi_hba->prot_mask) {
+		dev_info(dev, "Registering for DIF/DIX prot_mask=0x%x\n",
+			 prot_mask);
+		scsi_host_set_prot(hisi_hba->shost, prot_mask);
+		if (hisi_hba->prot_mask & HISI_SAS_DIX_PROT_MASK)
+			scsi_host_set_guard(hisi_hba->shost,
+					    SHOST_DIX_GUARD_CRC);
+	}
+
+	if (hisi_sas_debugfs_enable)
+		debugfs_init_v3_hw(hisi_hba);
+
+	rc = interrupt_preinit_v3_hw(hisi_hba);
+	if (rc)
+		goto err_out_undo_debugfs;
+
+	rc = scsi_add_host(shost, dev);
+	if (rc)
+		goto err_out_undo_debugfs;
+
+	rc = sas_register_ha(sha);
+	if (rc)
+		goto err_out_remove_host;
+
+	rc = hisi_sas_v3_init(hisi_hba);
+	if (rc)
+		goto err_out_unregister_ha;
+
+	scsi_scan_host(shost);
+
+	pm_runtime_set_autosuspend_delay(dev, 5000);
+	pm_runtime_use_autosuspend(dev);
+	/*
+	 * For the situation that there are ATA disks connected with SAS
+	 * controller, it additionally creates ata_port which will affect the
+	 * child_count of hisi_hba->dev. Even if suspended all the disks,
+	 * ata_port is still and the child_count of hisi_hba->dev is not 0.
+	 * So use pm_suspend_ignore_children() to ignore the effect to
+	 * hisi_hba->dev.
+	 */
+	pm_suspend_ignore_children(dev, true);
+	pm_runtime_put_noidle(&pdev->dev);
+
+	return 0;
+
+err_out_unregister_ha:
+	sas_unregister_ha(sha);
+err_out_remove_host:
+	scsi_remove_host(shost);
+err_out_undo_debugfs:
+	debugfs_exit_v3_hw(hisi_hba);
+err_out_free_host:
+	hisi_sas_free(hisi_hba);
+	scsi_host_put(shost);
+err_out:
+	return rc;
+}
+
+static void
+hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba)
+{
+	int i;
+
+	devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 1), hisi_hba);
+	devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 2), hisi_hba);
+	devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 11), hisi_hba);
+	for (i = 0; i < hisi_hba->cq_nvecs; i++) {
+		struct hisi_sas_cq *cq = &hisi_hba->cq[i];
+		int nr = hisi_sas_intr_conv ? 16 : 16 + i;
+
+		devm_free_irq(&pdev->dev, pci_irq_vector(pdev, nr), cq);
+	}
+}
+
+static void hisi_sas_v3_remove(struct pci_dev *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct sas_ha_struct *sha = dev_get_drvdata(dev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct Scsi_Host *shost = sha->core.shost;
+
+	pm_runtime_get_noresume(dev);
+	del_timer_sync(&hisi_hba->timer);
+
+	sas_unregister_ha(sha);
+	flush_workqueue(hisi_hba->wq);
+	sas_remove_host(sha->core.shost);
+
+	hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
+	hisi_sas_free(hisi_hba);
+	debugfs_exit_v3_hw(hisi_hba);
+	scsi_host_put(shost);
+}
+
+static void hisi_sas_reset_prepare_v3_hw(struct pci_dev *pdev)
+{
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	dev_info(dev, "FLR prepare\n");
+	down(&hisi_hba->sem);
+	set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+	hisi_sas_controller_reset_prepare(hisi_hba);
+
+	rc = disable_host_v3_hw(hisi_hba);
+	if (rc)
+		dev_err(dev, "FLR: disable host failed rc=%d\n", rc);
+}
+
+static void hisi_sas_reset_done_v3_hw(struct pci_dev *pdev)
+{
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	struct device *dev = hisi_hba->dev;
+	int rc;
+
+	hisi_sas_init_mem(hisi_hba);
+
+	rc = hw_init_v3_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "FLR: hw init failed rc=%d\n", rc);
+		clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+		scsi_unblock_requests(shost);
+		clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+		up(&hisi_hba->sem);
+		return;
+	}
+
+	hisi_sas_controller_reset_done(hisi_hba);
+	dev_info(dev, "FLR done\n");
+}
+
+enum {
+	/* instances of the controller */
+	hip08,
+};
+
+static int _suspend_v3_hw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct device *dev = hisi_hba->dev;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	int rc;
+
+	if (!pdev->pm_cap) {
+		dev_err(dev, "PCI PM not supported\n");
+		return -ENODEV;
+	}
+
+	if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
+		return -EPERM;
+
+	dev_warn(dev, "entering suspend state\n");
+
+	scsi_block_requests(shost);
+	set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+	flush_workqueue(hisi_hba->wq);
+
+	rc = disable_host_v3_hw(hisi_hba);
+	if (rc) {
+		dev_err(dev, "PM suspend: disable host failed rc=%d\n", rc);
+		clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+		clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+		scsi_unblock_requests(shost);
+		return rc;
+	}
+
+	hisi_sas_init_mem(hisi_hba);
+
+	hisi_sas_release_tasks(hisi_hba);
+
+	sas_suspend_ha(sha);
+
+	dev_warn(dev, "end of suspending controller\n");
+	return 0;
+}
+
+static int _resume_v3_hw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	struct Scsi_Host *shost = hisi_hba->shost;
+	struct device *dev = hisi_hba->dev;
+	unsigned int rc;
+	pci_power_t device_state = pdev->current_state;
+
+	dev_warn(dev, "resuming from operating state [D%d]\n",
+		 device_state);
+
+	scsi_unblock_requests(shost);
+	clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
+
+	sas_prep_resume_ha(sha);
+	rc = hw_init_v3_hw(hisi_hba);
+	if (rc) {
+		scsi_remove_host(shost);
+		return rc;
+	}
+	phys_init_v3_hw(hisi_hba);
+
+	/*
+	 * If a directly-attached disk is removed during suspend, a deadlock
+	 * may occur, as the PHYE_RESUME_TIMEOUT processing will require the
+	 * hisi_hba->device to be active, which can only happen when resume
+	 * completes. So don't wait for the HA event workqueue to drain upon
+	 * resume.
+	 */
+	sas_resume_ha_no_sync(sha);
+	clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
+
+	dev_warn(dev, "end of resuming controller\n");
+
+	return 0;
+}
+
+static int __maybe_unused suspend_v3_hw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	int rc;
+
+	set_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
+
+	rc = _suspend_v3_hw(device);
+	if (rc)
+		clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
+
+	return rc;
+}
+
+static int __maybe_unused resume_v3_hw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct sas_ha_struct *sha = pci_get_drvdata(pdev);
+	struct hisi_hba *hisi_hba = sha->lldd_ha;
+	int rc = _resume_v3_hw(device);
+
+	clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
+
+	return rc;
+}
+
+static const struct pci_device_id sas_v3_pci_table[] = {
+	{ PCI_VDEVICE(HUAWEI, 0xa230), hip08 },
+	{}
+};
+MODULE_DEVICE_TABLE(pci, sas_v3_pci_table);
+
+static const struct pci_error_handlers hisi_sas_err_handler = {
+	.reset_prepare	= hisi_sas_reset_prepare_v3_hw,
+	.reset_done	= hisi_sas_reset_done_v3_hw,
+};
+
+static UNIVERSAL_DEV_PM_OPS(hisi_sas_v3_pm_ops,
+			    suspend_v3_hw,
+			    resume_v3_hw,
+			    NULL);
+
+static struct pci_driver sas_v3_pci_driver = {
+	.name		= DRV_NAME,
+	.id_table	= sas_v3_pci_table,
+	.probe		= hisi_sas_v3_probe,
+	.remove		= hisi_sas_v3_remove,
+	.err_handler	= &hisi_sas_err_handler,
+	.driver.pm	= &hisi_sas_v3_pm_ops,
+};
+
+module_pci_driver(sas_v3_pci_driver);
+module_param_named(intr_conv, hisi_sas_intr_conv, bool, 0444);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
+MODULE_DESCRIPTION("HISILICON SAS controller v3 hw driver based on pci device");
+MODULE_ALIAS("pci:" DRV_NAME);