Commit 64a51080 authored by Keith Busch's avatar Keith Busch
Browse files

nvmet: implement id ns for nvm command set 



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

Reviewed-by: default avatarChaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: default avatarMatias Bjørling <matias.bjorling@wdc.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 5a47c208

drivers/nvme/target/admin-cmd.c

+16 −2
Original line number Diff line number Diff line
@@ -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)));

}



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)

{

	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:

		switch (req->cmd->identify.csi) {

		case NVME_CSI_NVM:

			/* Not supported */

			break;

			nvme_execute_identify_ns_nvm(req);

			return;

		case NVME_CSI_ZNS:

			if (IS_ENABLED(CONFIG_BLK_DEV_ZONED)) {

				nvmet_execute_identify_ns_zns(req);