diff options
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas.h')
| -rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas.h | 187 |
1 files changed, 119 insertions, 68 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 2bdd64648ef0..1323ed8aa717 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -8,10 +8,12 @@ #define _HISI_SAS_H_ #include <linux/acpi.h> +#include <linux/blk-mq.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> @@ -19,6 +21,7 @@ #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> @@ -30,8 +33,10 @@ #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_RESET_BIT 0 +#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 \ @@ -39,6 +44,14 @@ #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_REG_MEM_SIZE 4 +#define HISI_SAS_MAX_CDB_LEN 16 +#define HISI_SAS_BLK_QUEUE_DEPTH 64 + +#define BYTE_TO_DW 4 +#define BYTE_TO_DDW 8 #define HISI_SAS_STATUS_BUF_SZ (sizeof(struct hisi_sas_status_buffer)) #define HISI_SAS_COMMAND_TABLE_SZ (sizeof(union hisi_sas_command_table)) @@ -84,8 +97,10 @@ #define HISI_SAS_PROT_MASK (HISI_SAS_DIF_PROT_MASK | HISI_SAS_DIX_PROT_MASK) -#define HISI_SAS_WAIT_PHYUP_TIMEOUT 20 -#define CLEAR_ITCT_TIMEOUT 20 +#define HISI_SAS_WAIT_PHYUP_TIMEOUT (30 * HZ) +#define HISI_SAS_CLEAR_ITCT_TIMEOUT (20 * HZ) +#define HISI_SAS_DELAY_FOR_PHY_DISABLE 100 +#define NAME_BUF_SIZE 256 struct hisi_hba; @@ -97,6 +112,7 @@ enum { enum dev_status { HISI_SAS_DEV_INIT, HISI_SAS_DEV_NORMAL, + HISI_SAS_DEV_NCQ_ERR, }; enum { @@ -146,9 +162,22 @@ enum hisi_sas_bit_err_type { 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]; +}; + +#define FRAME_RCVD_BUF 32 +#define SAS_PHY_RESV_SIZE 2 struct hisi_sas_phy { struct work_struct works[HISI_PHYES_NUM]; struct hisi_hba *hisi_hba; @@ -160,16 +189,20 @@ struct hisi_sas_phy { spinlock_t lock; u64 port_id; /* from hw */ u64 frame_rcvd_size; - u8 frame_rcvd[32]; + u8 frame_rcvd[FRAME_RCVD_BUF]; u8 phy_attached; u8 in_reset; - u8 reserved[2]; + u8 reserved[SAS_PHY_RESV_SIZE]; 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 { @@ -184,6 +217,7 @@ struct hisi_sas_cq { int rd_point; int id; int irq_no; + spinlock_t poll_lock; }; struct hisi_sas_dq { @@ -207,13 +241,6 @@ struct hisi_sas_device { spinlock_t lock; /* For protecting slots */ }; -struct hisi_sas_tmf_task { - int force_phy; - int phy_id; - u8 tmf; - u16 tag_of_task_to_be_managed; -}; - struct hisi_sas_slot { struct list_head entry; struct list_head delivery; @@ -232,31 +259,13 @@ struct hisi_sas_slot { dma_addr_t cmd_hdr_dma; struct timer_list internal_abort_timer; bool is_internal; - struct hisi_sas_tmf_task *tmf; + struct sas_tmf_task *tmf; /* Do not reorder/change members after here */ void *buf; dma_addr_t buf_dma; u16 idx; }; -#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; - union { - u32 (*read_global_reg)(struct hisi_hba *hisi_hba, u32 off); - u32 (*read_port_reg)(struct hisi_hba *hisi_hba, int port, - u32 off); - }; -}; - struct hisi_sas_iost_itct_cache { u32 data[HISI_SAS_IOST_ITCT_CACHE_DW_SZ]; }; @@ -273,8 +282,43 @@ enum hisi_sas_debugfs_cache_type { 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 (*fw_info_check)(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, @@ -289,8 +333,7 @@ struct hisi_sas_hw { 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, - int device_id, int abort_flag, int tag_to_abort); + 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); @@ -311,20 +354,13 @@ struct hisi_sas_hw { 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 (*snapshot_prepare)(struct hisi_hba *hisi_hba); - void (*snapshot_restore)(struct hisi_hba *hisi_hba); - int (*set_bist)(struct hisi_hba *hisi_hba, bool enable); - void (*read_iost_itct_cache)(struct hisi_hba *hisi_hba, - enum hisi_sas_debugfs_cache_type type, - u32 *cache); + int (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba); int complete_hdr_size; - struct scsi_host_template *sht; - - const struct hisi_sas_debugfs_reg *debugfs_reg_array[DEBUGFS_REGS_NUM]; - const struct hisi_sas_debugfs_reg *debugfs_reg_port; + const struct scsi_host_template *sht; }; -#define HISI_SAS_MAX_DEBUGFS_DUMP (50) +#define HISI_SAS_MAX_DEBUGFS_DUMP 50 +#define HISI_SAS_DEFAULT_DEBUGFS_DUMP 1 struct hisi_sas_debugfs_cq { struct hisi_sas_cq *cq; @@ -381,6 +417,8 @@ struct hisi_hba { u32 refclk_frequency_mhz; u8 sas_addr[SAS_ADDR_SIZE]; + int *irq_map; /* v2 hw */ + int n_phy; spinlock_t lock; struct semaphore sem; @@ -422,16 +460,14 @@ struct hisi_hba { 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 */ + 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 */ + u32 intr_coal_ticks; /* Time of interrupt coalesce in us */ + u32 intr_coal_count; /* Interrupt count to coalesce */ int cq_nvecs; - unsigned int *reply_map; /* bist */ enum sas_linkrate debugfs_bist_linkrate; @@ -440,6 +476,8 @@ struct hisi_hba { 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 */ @@ -457,6 +495,9 @@ struct hisi_hba { 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 */ @@ -499,12 +540,13 @@ struct hisi_sas_cmd_hdr { __le64 dif_prd_table_addr; }; +#define ITCT_RESV_DDW 12 struct hisi_sas_itct { __le64 qw0; __le64 sas_addr; __le64 qw2; __le64 qw3; - __le64 qw4_15[12]; + __le64 qw4_15[ITCT_RESV_DDW]; }; struct hisi_sas_iost { @@ -514,22 +556,26 @@ struct hisi_sas_iost { __le64 qw3; }; +#define ERROR_RECORD_BUF_DW 4 struct hisi_sas_err_record { - u32 data[4]; + u32 data[ERROR_RECORD_BUF_DW]; }; +#define FIS_RESV_DW 3 struct hisi_sas_initial_fis { struct hisi_sas_err_record err_record; struct dev_to_host_fis fis; - u32 rsvd[3]; + u32 rsvd[FIS_RESV_DW]; }; +#define BREAKPOINT_DATA_SIZE 128 struct hisi_sas_breakpoint { - u8 data[128]; + u8 data[BREAKPOINT_DATA_SIZE]; }; +#define BREAKPOINT_TAG_NUM 32 struct hisi_sas_sata_breakpoint { - struct hisi_sas_breakpoint tag[32]; + struct hisi_sas_breakpoint tag[BREAKPOINT_TAG_NUM]; }; struct hisi_sas_sge { @@ -540,13 +586,15 @@ struct hisi_sas_sge { __le32 data_off; }; +#define SMP_CMD_TABLE_SIZE 44 struct hisi_sas_command_table_smp { - u8 bytes[44]; + u8 bytes[SMP_CMD_TABLE_SIZE]; }; +#define DUMMY_BUF_SIZE 12 struct hisi_sas_command_table_stp { struct host_to_dev_fis command_fis; - u8 dummy[12]; + u8 dummy[DUMMY_BUF_SIZE]; u8 atapi_cdb[ATAPI_CDB_LEN]; }; @@ -560,12 +608,13 @@ struct hisi_sas_sge_dif_page { struct hisi_sas_sge sge[HISI_SAS_SGE_DIF_PAGE_CNT]; } __aligned(16); +#define PROT_BUF_SIZE 7 struct hisi_sas_command_table_ssp { struct ssp_frame_hdr hdr; union { struct { struct ssp_command_iu task; - u32 prot[7]; + u32 prot[PROT_BUF_SIZE]; }; struct ssp_tmf_iu ssp_task; struct xfer_rdy_iu xfer_rdy; @@ -579,9 +628,10 @@ union hisi_sas_command_table { struct hisi_sas_command_table_stp stp; } __aligned(16); +#define IU_BUF_SIZE 1024 struct hisi_sas_status_buffer { struct hisi_sas_err_record err; - u8 iu[1024]; + u8 iu[IU_BUF_SIZE]; } __aligned(16); struct hisi_sas_slot_buf_table { @@ -604,38 +654,39 @@ 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 u8 hisi_sas_get_ata_protocol(struct sas_task *task); 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 void hisi_sas_remove(struct platform_device *pdev); -extern int hisi_sas_slave_configure(struct scsi_device *sdev); +int hisi_sas_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim); +extern int hisi_sas_sdev_init(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); +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); + 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_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_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); -extern void hisi_sas_debugfs_init(struct hisi_hba *hisi_hba); -extern void hisi_sas_debugfs_exit(struct hisi_hba *hisi_hba); -extern void hisi_sas_debugfs_work_handler(struct work_struct *work); #endif |
