| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| John Garry | 1213 | 49.21% | 51 | 37.23% |
| Xiang Chen | 465 | 18.86% | 38 | 27.74% |
| Luo Jiaxing | 386 | 15.66% | 26 | 18.98% |
| Xiaofei Tan | 378 | 15.33% | 18 | 13.14% |
| Jianqin Xie | 12 | 0.49% | 1 | 0.73% |
| Shiju Jose | 6 | 0.24% | 1 | 0.73% |
| Ahmed S. Darwish | 3 | 0.12% | 1 | 0.73% |
| Thomas Gleixner | 2 | 0.08% | 1 | 0.73% |
| Total | 2465 | 137 |
/* 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
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