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nvmet: implement id ns for nvm command set

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We don't report anything here, but it's a mandatory identification for
nvme 2.1.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Matias Bjørling <matias.bjorling@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Keith Busch 2024-11-04 07:27:44 -08:00
parent 5a47c2080a
commit 64a51080ea
1 changed files with 16 additions and 2 deletions
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18
drivers/nvme/target/admin-cmd.c
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@ -701,6 +701,20 @@ static void nvmet_execute_identify_ctrl_nvm(struct nvmet_req *req)
nvmet_zero_sgl(req, 0, sizeof(struct nvme_id_ctrl_nvm))); nvmet_zero_sgl(req, 0, sizeof(struct nvme_id_ctrl_nvm)));
} }
static void nvme_execute_identify_ns_nvm(struct nvmet_req *req)
{
u16 status;
status = nvmet_req_find_ns(req);
if (status)
goto out;
status = nvmet_copy_to_sgl(req, 0, ZERO_PAGE(0),
NVME_IDENTIFY_DATA_SIZE);
out:
nvmet_req_complete(req, status);
}
static void nvmet_execute_identify(struct nvmet_req *req) static void nvmet_execute_identify(struct nvmet_req *req)
{ {
if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE)) if (!nvmet_check_transfer_len(req, NVME_IDENTIFY_DATA_SIZE))
@ -722,8 +736,8 @@ static void nvmet_execute_identify(struct nvmet_req *req)
case NVME_ID_CNS_CS_NS: case NVME_ID_CNS_CS_NS:
switch (req->cmd->identify.csi) { switch (req->cmd->identify.csi) {
case NVME_CSI_NVM: case NVME_CSI_NVM:
/* Not supported */ nvme_execute_identify_ns_nvm(req);
break; return;
case NVME_CSI_ZNS: case NVME_CSI_ZNS:
if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) { if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {
nvmet_execute_identify_ns_zns(req); nvmet_execute_identify_ns_zns(req);