[PATCH V3 6/9] nvmet: add cns-cs-ns in id-ctrl for ZNS bdev

[Chaitanya Kulkarni]

Update the nvmet_execute_identify() such that it can now handle
NVME_ID_CNS_CS_NS when identify.cis is set to ZNS. This allows
host to identify the ns with ZNS capabilities.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni at wdc.com>
---
 drivers/nvme/target/admin-cmd.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index e7d2b96cda6b..cd368cbe3855 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -648,6 +648,10 @@ static void nvmet_execute_identify(struct nvmet_req *req)
 	switch (req->cmd->identify.cns) {
 	case NVME_ID_CNS_NS:
 		return nvmet_execute_identify_ns(req);
+	case NVME_ID_CNS_CS_NS:
+		if (req->cmd->identify.csi == NVME_CSI_ZNS)
+			return nvmet_execute_identify_cns_cs_ns(req);
+		break;
 	case NVME_ID_CNS_CTRL:
 		return nvmet_execute_identify_ctrl(req);
 	case NVME_ID_CNS_CS_CTRL:
-- 
2.22.1