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nvme: add enumeration of Identify command types

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Change-Id: I2f8dc3de48c2e5dc06ccc9d007373e361bffcf63
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-07-19 13:30:45 -07:00
parent ffa936d94b
commit 77cb78fadf
2 changed files with 26 additions and 1 deletions
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24
include/spdk/nvme_spec.h
View File

@ -662,6 +662,30 @@ struct spdk_nvme_power_state {
};
SPDK_STATIC_ASSERT(sizeof(struct spdk_nvme_power_state) == 32, "Incorrect size");
/** Identify command CNS value */
enum spdk_nvme_identify_cns {
/** Identify namespace indicated in CDW1.NSID */
SPDK_NVME_IDENTIFY_NS = 0x00,
/** Identify controller */
SPDK_NVME_IDENTIFY_CTRLR = 0x01,
/** List active NSIDs greater than CDW1.NSID */
SPDK_NVME_IDENTIFY_ACTIVE_NS_LIST = 0x02,
/** List allocated NSIDs greater than CDW1.NSID */
SPDK_NVME_IDENTIFY_ALLOCATED_NS_LIST = 0x10,
/** Identify namespace if CDW1.NSID is allocated */
SPDK_NVME_IDENTIFY_NS_ALLOCATED = 0x11,
/** Get list of controllers starting at CDW10.CNTID that are attached to CDW1.NSID */
SPDK_NVME_IDENTIFY_NS_ATTACHED_CTRLR_LIST = 0x12,
/** Get list of controllers starting at CDW10.CNTID */
SPDK_NVME_IDENTIFY_CTRLR_LIST = 0x13,
};
struct __attribute__((packed)) spdk_nvme_ctrlr_data {
/* bytes 0-255: controller capabilities and features */

3
lib/nvme/nvme_ctrlr_cmd.c
View File

@ -98,7 +98,7 @@ nvme_ctrlr_cmd_identify_controller(struct spdk_nvme_ctrlr *ctrlr, void *payload,
* TODO: create an identify command data structure, which
* includes this CNS bit in cdw10.
*/
cmd->cdw10 = 1;
cmd->cdw10 = SPDK_NVME_IDENTIFY_CTRLR;
return nvme_ctrlr_submit_admin_request(ctrlr, req);
}
@ -123,6 +123,7 @@ nvme_ctrlr_cmd_identify_namespace(struct spdk_nvme_ctrlr *ctrlr, uint16_t nsid,
/*
* TODO: create an identify command data structure
*/
cmd->cdw10 = SPDK_NVME_IDENTIFY_NS;
cmd->nsid = nsid;
return nvme_ctrlr_submit_admin_request(ctrlr, req);