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-rw-r--r--drivers/scsi/hisi_sas/hisi_sas.h673
1 files changed, 673 insertions, 0 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
new file mode 100644
index 000000000..9e73e9cbb
--- /dev/null
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -0,0 +1,673 @@
+/* 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,
+ HISI_SAS_DEV_NCQ_ERR,
+};
+
+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;
+ spinlock_t poll_lock;
+};
+
+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;
+ const 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;
+
+ int iopoll_q_cnt;
+};
+
+/* 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 void 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,
+ bool need_lock);
+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_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_sync_cqs(struct hisi_hba *hisi_hba);
+extern void hisi_sas_sync_poll_cqs(struct hisi_hba *hisi_hba);
+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
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 05:40:20 +0000