[PATCH V4 5/9] nvmet: add cns-cs-ctrl in id-ctrl for ZNS bdev

[Chaitanya Kulkarni]

Update the nvmet_execute_identify() such that it can now handle
NVME_ID_CNS_CS_CTRL when identify.cis is set to ZNS. This allows
host to identify the support for ZNS.

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 d4fc1bb1a318..e7d2b96cda6b 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -650,6 +650,10 @@ static void nvmet_execute_identify(struct nvmet_req *req)
 		return nvmet_execute_identify_ns(req);
 	case NVME_ID_CNS_CTRL:
 		return nvmet_execute_identify_ctrl(req);
+	case NVME_ID_CNS_CS_CTRL:
+		if (req->cmd->identify.csi == NVME_CSI_ZNS)
+			return nvmet_execute_identify_cns_cs_ctrl(req);
+		break;
 	case NVME_ID_CNS_NS_ACTIVE_LIST:
 		return nvmet_execute_identify_nslist(req);
 	case NVME_ID_CNS_NS_DESC_LIST:
-- 
2.22.1