diff options
Diffstat (limited to 'drivers/scsi/cxlflash/common.h')
| -rw-r--r-- | drivers/scsi/cxlflash/common.h | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/drivers/scsi/cxlflash/common.h b/drivers/scsi/cxlflash/common.h index 0e9de5d62da2..d11dcc59ff46 100644 --- a/drivers/scsi/cxlflash/common.h +++ b/drivers/scsi/cxlflash/common.h @@ -54,6 +54,9 @@ extern const struct file_operations cxlflash_cxl_fops; /* RRQ for master issued cmds */ #define NUM_RRQ_ENTRY CXLFLASH_MAX_CMDS +/* SQ for master issued cmds */ +#define NUM_SQ_ENTRY CXLFLASH_MAX_CMDS + static inline void check_sizes(void) { @@ -155,8 +158,8 @@ static inline struct afu_cmd *sc_to_afucz(struct scsi_cmnd *sc) struct afu { /* Stuff requiring alignment go first. */ - - u64 rrq_entry[NUM_RRQ_ENTRY]; /* 2K RRQ */ + struct sisl_ioarcb sq[NUM_SQ_ENTRY]; /* 16K SQ */ + u64 rrq_entry[NUM_RRQ_ENTRY]; /* 2K RRQ */ /* Beware of alignment till here. Preferably introduce new * fields after this point @@ -171,9 +174,13 @@ struct afu { struct sisl_host_map __iomem *host_map; /* MC host map */ struct sisl_ctrl_map __iomem *ctrl_map; /* MC control map */ - struct kref mapcount; - ctx_hndl_t ctx_hndl; /* master's context handle */ + + atomic_t hsq_credits; + spinlock_t hsq_slock; + struct sisl_ioarcb *hsq_start; + struct sisl_ioarcb *hsq_end; + struct sisl_ioarcb *hsq_curr; u64 *hrrq_start; u64 *hrrq_end; u64 *hrrq_curr; @@ -191,6 +198,23 @@ struct afu { }; +static inline bool afu_is_cmd_mode(struct afu *afu, u64 cmd_mode) +{ + u64 afu_cap = afu->interface_version >> SISL_INTVER_CAP_SHIFT; + + return afu_cap & cmd_mode; +} + +static inline bool afu_is_sq_cmd_mode(struct afu *afu) +{ + return afu_is_cmd_mode(afu, SISL_INTVER_CAP_SQ_CMD_MODE); +} + +static inline bool afu_is_ioarrin_cmd_mode(struct afu *afu) +{ + return afu_is_cmd_mode(afu, SISL_INTVER_CAP_IOARRIN_CMD_MODE); +} + static inline u64 lun_to_lunid(u64 lun) { __be64 lun_id; |