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path: root/drivers/nvme/host/nvme.h
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Diffstat (limited to 'drivers/nvme/host/nvme.h')
-rw-r--r--drivers/nvme/host/nvme.h53
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,