diff options
Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r-- | drivers/nvme/host/nvme.h | 53 |
1 files changed, 2 insertions, 51 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 6376cd71cc9f..8e8fae8722f8 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -181,57 +181,6 @@ static inline unsigned nvme_map_len(struct request *rq) return blk_rq_bytes(rq); } -static inline void nvme_setup_flush(struct nvme_ns *ns, - struct nvme_command *cmnd) -{ - memset(cmnd, 0, sizeof(*cmnd)); - cmnd->common.opcode = nvme_cmd_flush; - cmnd->common.nsid = cpu_to_le32(ns->ns_id); -} - -static inline void nvme_setup_rw(struct nvme_ns *ns, struct request *req, - struct nvme_command *cmnd) -{ - u16 control = 0; - u32 dsmgmt = 0; - - if (req->cmd_flags & REQ_FUA) - control |= NVME_RW_FUA; - if (req->cmd_flags & (REQ_FAILFAST_DEV | REQ_RAHEAD)) - control |= NVME_RW_LR; - - if (req->cmd_flags & REQ_RAHEAD) - dsmgmt |= NVME_RW_DSM_FREQ_PREFETCH; - - memset(cmnd, 0, sizeof(*cmnd)); - cmnd->rw.opcode = (rq_data_dir(req) ? nvme_cmd_write : nvme_cmd_read); - cmnd->rw.command_id = req->tag; - cmnd->rw.nsid = cpu_to_le32(ns->ns_id); - cmnd->rw.slba = cpu_to_le64(nvme_block_nr(ns, blk_rq_pos(req))); - cmnd->rw.length = cpu_to_le16((blk_rq_bytes(req) >> ns->lba_shift) - 1); - - if (ns->ms) { - switch (ns->pi_type) { - case NVME_NS_DPS_PI_TYPE3: - control |= NVME_RW_PRINFO_PRCHK_GUARD; - break; - case NVME_NS_DPS_PI_TYPE1: - case NVME_NS_DPS_PI_TYPE2: - control |= NVME_RW_PRINFO_PRCHK_GUARD | - NVME_RW_PRINFO_PRCHK_REF; - cmnd->rw.reftag = cpu_to_le32( - nvme_block_nr(ns, blk_rq_pos(req))); - break; - } - if (!blk_integrity_rq(req)) - control |= NVME_RW_PRINFO_PRACT; - } - - cmnd->rw.control = cpu_to_le16(control); - cmnd->rw.dsmgmt = cpu_to_le32(dsmgmt); -} - - static inline int nvme_error_status(u16 status) { switch (status & 0x7ff) { @@ -269,6 +218,8 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl); struct request *nvme_alloc_request(struct request_queue *q, struct nvme_command *cmd, unsigned int flags); void nvme_requeue_req(struct request *req); +int nvme_setup_cmd(struct nvme_ns *ns, struct request *req, + struct nvme_command *cmd); int nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, void *buf, unsigned bufflen); int __nvme_submit_sync_cmd(struct request_queue *q, struct nvme_command *cmd, |