diff options
Diffstat (limited to '')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas.h | 673 |
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 0000000000..9e73e9cbbc --- /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 |