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nvme: remove nvme_common command cdw10 array

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This is a preparation patch which removes the nvme common command cdw10
array and replace with individual fields. This is needed for the nvmet
error log page implementation make is error log page entry offset
assignment easier.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Chaitanya Kulkarni 2018-12-12 15:11:37 -08:00 committed by Christoph Hellwig
parent 16d3a280d4
commit b7c8f3663d
7 changed files with 29 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/nvme/host/core.c
View File

@ -1283,12 +1283,12 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns,
c.common.nsid = cpu_to_le32(cmd.nsid);
c.common.cdw2[0] = cpu_to_le32(cmd.cdw2);
c.common.cdw2[1] = cpu_to_le32(cmd.cdw3);
c.common.cdw10[0] = cpu_to_le32(cmd.cdw10);
c.common.cdw10[1] = cpu_to_le32(cmd.cdw11);
c.common.cdw10[2] = cpu_to_le32(cmd.cdw12);
c.common.cdw10[3] = cpu_to_le32(cmd.cdw13);
c.common.cdw10[4] = cpu_to_le32(cmd.cdw14);
c.common.cdw10[5] = cpu_to_le32(cmd.cdw15);
c.common.cdw10 = cpu_to_le32(cmd.cdw10);
c.common.cdw11 = cpu_to_le32(cmd.cdw11);
c.common.cdw12 = cpu_to_le32(cmd.cdw12);
c.common.cdw13 = cpu_to_le32(cmd.cdw13);
c.common.cdw14 = cpu_to_le32(cmd.cdw14);
c.common.cdw15 = cpu_to_le32(cmd.cdw15);
if (cmd.timeout_ms)
timeout = msecs_to_jiffies(cmd.timeout_ms);
@ -1649,7 +1649,7 @@ static int nvme_pr_command(struct block_device *bdev, u32 cdw10,
memset(&c, 0, sizeof(c));
c.common.opcode = op;
c.common.nsid = cpu_to_le32(ns->head->ns_id);
c.common.cdw10[0] = cpu_to_le32(cdw10);
c.common.cdw10 = cpu_to_le32(cdw10);
ret = nvme_submit_sync_cmd(ns->queue, &c, data, 16);
nvme_put_ns_from_disk(head, srcu_idx);
@ -1723,8 +1723,8 @@ int nvme_sec_submit(void *data, u16 spsp, u8 secp, void *buffer, size_t len,
else
cmd.common.opcode = nvme_admin_security_recv;
cmd.common.nsid = 0;
cmd.common.cdw10[0] = cpu_to_le32(((u32)secp) << 24 | ((u32)spsp) << 8);
cmd.common.cdw10[1] = cpu_to_le32(len);
cmd.common.cdw10 = cpu_to_le32(((u32)secp) << 24 | ((u32)spsp) << 8);
cmd.common.cdw11 = cpu_to_le32(len);
return __nvme_submit_sync_cmd(ctrl->admin_q, &cmd, NULL, buffer, len,
ADMIN_TIMEOUT, NVME_QID_ANY, 1, 0);

6
drivers/nvme/host/lightnvm.c
View File

@ -937,9 +937,9 @@ static int nvme_nvm_user_vcmd(struct nvme_ns *ns, int admin,
/* cdw11-12 */
c.ph_rw.length = cpu_to_le16(vcmd.nppas);
c.ph_rw.control = cpu_to_le16(vcmd.control);
c.common.cdw10[3] = cpu_to_le32(vcmd.cdw13);
c.common.cdw10[4] = cpu_to_le32(vcmd.cdw14);
c.common.cdw10[5] = cpu_to_le32(vcmd.cdw15);
c.common.cdw13 = cpu_to_le32(vcmd.cdw13);
c.common.cdw14 = cpu_to_le32(vcmd.cdw14);
c.common.cdw15 = cpu_to_le32(vcmd.cdw15);
if (vcmd.timeout_ms)
timeout = msecs_to_jiffies(vcmd.timeout_ms);

4
drivers/nvme/host/trace.h
View File

@ -115,8 +115,8 @@ TRACE_EVENT(nvme_setup_cmd,
__entry->nsid = le32_to_cpu(cmd->common.nsid);
__entry->metadata = le64_to_cpu(cmd->common.metadata);
__assign_disk_name(__entry->disk, req->rq_disk);
memcpy(__entry->cdw10, cmd->common.cdw10,
sizeof(__entry->cdw10));
memcpy(__entry->cdw10, &cmd->common.cdw10,
6 * sizeof(__entry->cdw10));
),
TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)",
__entry->ctrl_id, __print_disk_name(__entry->disk),

12
drivers/nvme/target/admin-cmd.c
View File

@ -557,7 +557,7 @@ static u16 nvmet_write_protect_flush_sync(struct nvmet_req *req)
static u16 nvmet_set_feat_write_protect(struct nvmet_req *req)
{
u32 write_protect = le32_to_cpu(req->cmd->common.cdw10[1]);
u32 write_protect = le32_to_cpu(req->cmd->common.cdw11);
struct nvmet_subsys *subsys = req->sq->ctrl->subsys;
u16 status = NVME_SC_FEATURE_NOT_CHANGEABLE;
@ -589,7 +589,7 @@ static u16 nvmet_set_feat_write_protect(struct nvmet_req *req)
u16 nvmet_set_feat_kato(struct nvmet_req *req)
{
u32 val32 = le32_to_cpu(req->cmd->common.cdw10[1]);
u32 val32 = le32_to_cpu(req->cmd->common.cdw11);
req->sq->ctrl->kato = DIV_ROUND_UP(val32, 1000);
@ -600,7 +600,7 @@ u16 nvmet_set_feat_kato(struct nvmet_req *req)
u16 nvmet_set_feat_async_event(struct nvmet_req *req, u32 mask)
{
u32 val32 = le32_to_cpu(req->cmd->common.cdw10[1]);
u32 val32 = le32_to_cpu(req->cmd->common.cdw11);
if (val32 & ~mask)
return NVME_SC_INVALID_FIELD | NVME_SC_DNR;
@ -614,7 +614,7 @@ u16 nvmet_set_feat_async_event(struct nvmet_req *req, u32 mask)
static void nvmet_execute_set_features(struct nvmet_req *req)
{
struct nvmet_subsys *subsys = req->sq->ctrl->subsys;
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]);
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 status = 0;
switch (cdw10 & 0xff) {
@ -675,7 +675,7 @@ void nvmet_get_feat_async_event(struct nvmet_req *req)
static void nvmet_execute_get_features(struct nvmet_req *req)
{
struct nvmet_subsys *subsys = req->sq->ctrl->subsys;
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]);
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 status = 0;
switch (cdw10 & 0xff) {
@ -715,7 +715,7 @@ static void nvmet_execute_get_features(struct nvmet_req *req)
break;
case NVME_FEAT_HOST_ID:
/* need 128-bit host identifier flag */
if (!(req->cmd->common.cdw10[1] & cpu_to_le32(1 << 0))) {
if (!(req->cmd->common.cdw11 & cpu_to_le32(1 << 0))) {
status = NVME_SC_INVALID_FIELD | NVME_SC_DNR;
break;
}

4
drivers/nvme/target/discovery.c
View File

@ -247,7 +247,7 @@ out:
static void nvmet_execute_disc_set_features(struct nvmet_req *req)
{
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]);
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 stat;
switch (cdw10 & 0xff) {
@ -268,7 +268,7 @@ static void nvmet_execute_disc_set_features(struct nvmet_req *req)
static void nvmet_execute_disc_get_features(struct nvmet_req *req)
{
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10[0]);
u32 cdw10 = le32_to_cpu(req->cmd->common.cdw10);
u16 stat = 0;
switch (cdw10 & 0xff) {

2
drivers/nvme/target/nvmet.h
View File

@ -349,7 +349,7 @@ struct nvmet_async_event {
static inline void nvmet_clear_aen_bit(struct nvmet_req *req, u32 bn)
{
int rae = le32_to_cpu(req->cmd->common.cdw10[0]) & 1 << 15;
int rae = le32_to_cpu(req->cmd->common.cdw10) & 1 << 15;
if (!rae)
clear_bit(bn, &req->sq->ctrl->aen_masked);

7
include/linux/nvme.h
View File

@ -662,7 +662,12 @@ struct nvme_common_command {
__le32 cdw2[2];
__le64 metadata;
union nvme_data_ptr dptr;
__le32 cdw10[6];
__le32 cdw10;
__le32 cdw11;
__le32 cdw12;
__le32 cdw13;
__le32 cdw14;
__le32 cdw15;
};
struct nvme_rw_command {