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nvmf: add get/set features with reservation persistence support

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The persistence feature can't support for now, but as the features
are mandatory for reservation, so add the two function here, and
we can enable it with future patches for power loss persist feature.

Change-Id: Ic358eda00058809bbfd6984b0861f8b6b5aabecd
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/438213
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Changpeng Liu 2019-01-21 01:29:09 -05:00
parent bdc81134c2
commit da30cda946
1 changed files with 55 additions and 0 deletions
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55
lib/nvmf/ctrlr.c
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@ -1016,6 +1016,57 @@ spdk_nvmf_ctrlr_get_features_host_identifier(struct spdk_nvmf_request *req)
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
static int
spdk_nvmf_ctrlr_get_features_reservation_persistence(struct spdk_nvmf_request *req)
{
struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
struct spdk_nvmf_ns *ns;
SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Get Features - Reservation Persistence\n");
ns = _spdk_nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid);
/* NSID with 0xffffffffu also included */
if (ns == NULL) {
SPDK_ERRLOG("Get Features - Invalid Namespace ID\n");
response->status.sct = SPDK_NVME_SCT_GENERIC;
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
/* TODO: Persistence feature can't support for now */
response->cdw0 = 0;
response->status.sct = SPDK_NVME_SCT_GENERIC;
response->status.sc = SPDK_NVME_SC_SUCCESS;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
static int
spdk_nvmf_ctrlr_set_features_reservation_persistence(struct spdk_nvmf_request *req)
{
struct spdk_nvmf_ctrlr *ctrlr = req->qpair->ctrlr;
struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
struct spdk_nvmf_ns *ns;
SPDK_DEBUGLOG(SPDK_LOG_NVMF, "Set Features - Reservation Persistence\n");
ns = _spdk_nvmf_subsystem_get_ns(ctrlr->subsys, cmd->nsid);
if (cmd->nsid != 0xffffffffu && ns == NULL) {
SPDK_ERRLOG("Set Features - Invalid Namespace ID\n");
response->status.sct = SPDK_NVME_SCT_GENERIC;
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
/* TODO: Feature not changeable for now */
response->status.sct = SPDK_NVME_SCT_COMMAND_SPECIFIC;
response->status.sc = SPDK_NVME_SC_FEATURE_NOT_CHANGEABLE;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
static int
spdk_nvmf_ctrlr_set_features_keep_alive_timer(struct spdk_nvmf_request *req)
{
@ -1713,6 +1764,8 @@ spdk_nvmf_ctrlr_get_features(struct spdk_nvmf_request *req)
return get_features_generic(req, ctrlr->feat.keep_alive_timer.raw);
case SPDK_NVME_FEAT_HOST_IDENTIFIER:
return spdk_nvmf_ctrlr_get_features_host_identifier(req);
case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
return spdk_nvmf_ctrlr_get_features_reservation_persistence(req);
default:
SPDK_ERRLOG("Get Features command with unsupported feature ID 0x%02x\n", feature);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
@ -1749,6 +1802,8 @@ spdk_nvmf_ctrlr_set_features(struct spdk_nvmf_request *req)
return spdk_nvmf_ctrlr_set_features_keep_alive_timer(req);
case SPDK_NVME_FEAT_HOST_IDENTIFIER:
return spdk_nvmf_ctrlr_set_features_host_identifier(req);
case SPDK_NVME_FEAT_HOST_RESERVE_PERSIST:
return spdk_nvmf_ctrlr_set_features_reservation_persistence(req);
default:
SPDK_ERRLOG("Set Features command with unsupported feature ID 0x%02x\n", feature);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;