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nvmf: share Get/Set Features - Number of Queues

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The code in virtual.c and direct.c was identical - move it to session.c
to share it.

Change-Id: Ic6e4e9238e8ffacb212e76293c440109aa839f8c
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-11-22 16:08:50 -07:00
parent 48631ef2b9
commit 2bfb991e42
4 changed files with 51 additions and 40 deletions
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22
lib/nvmf/direct.c
View File

@ -110,15 +110,12 @@ nvmf_direct_ctrlr_process_admin_cmd(struct spdk_nvmf_request *req)
struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
struct spdk_nvmf_subsystem *subsystem = session->subsys;
uint32_t nr_io_queues = 0;
union spdk_nvme_vs_register vs;
int rc = 0;
uint8_t feature;
/* pre-set response details for this command */
response->status.sc = SPDK_NVME_SC_SUCCESS;
/* Extra 1 connection for Admin queue */
nr_io_queues = session->max_connections_allowed - 1;
switch (cmd->opc) {
case SPDK_NVME_OPC_IDENTIFY:
@ -152,11 +149,7 @@ nvmf_direct_ctrlr_process_admin_cmd(struct spdk_nvmf_request *req)
feature = cmd->cdw10 & 0xff; /* mask out the FID value */
switch (feature) {
case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Get Features - Number of Queues\n");
/* Number of IO queues has a zero based value */
response->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
return spdk_nvmf_session_get_features_number_of_queues(req);
case SPDK_NVME_FEAT_HOST_IDENTIFIER:
return spdk_nvmf_session_get_features_host_identifier(req);
case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
@ -169,18 +162,7 @@ nvmf_direct_ctrlr_process_admin_cmd(struct spdk_nvmf_request *req)
feature = cmd->cdw10 & 0xff; /* mask out the FID value */
switch (feature) {
case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Set Features - Number of Queues, cdw11 0x%x\n", cmd->cdw11);
/* verify that the contoller is ready to process commands */
if (session->num_connections > 1) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Queue pairs already active!\n");
response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
} else {
/* Number of IO queues has a zero based value */
response->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
}
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
return spdk_nvmf_session_set_features_number_of_queues(req);
case SPDK_NVME_FEAT_HOST_IDENTIFIER:
return spdk_nvmf_session_set_features_host_identifier(req);
case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:

44
lib/nvmf/session.c
View File

@ -652,3 +652,47 @@ spdk_nvmf_session_get_features_keep_alive_timer(struct spdk_nvmf_request *req)
rsp->cdw0 = session->kato;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
int
spdk_nvmf_session_set_features_number_of_queues(struct spdk_nvmf_request *req)
{
struct spdk_nvmf_session *session = req->conn->sess;
struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
uint32_t nr_io_queues;
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Set Features - Number of Queues, cdw11 0x%x\n",
req->cmd->nvme_cmd.cdw11);
/* Extra 1 connection for Admin queue */
nr_io_queues = session->max_connections_allowed - 1;
/* verify that the contoller is ready to process commands */
if (session->num_connections > 1) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Queue pairs already active!\n");
rsp->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
} else {
/* Number of IO queues has a zero based value */
rsp->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
}
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}
int
spdk_nvmf_session_get_features_number_of_queues(struct spdk_nvmf_request *req)
{
struct spdk_nvmf_session *session = req->conn->sess;
struct spdk_nvme_cpl *rsp = &req->rsp->nvme_cpl;
uint32_t nr_io_queues;
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Get Features - Number of Queues\n");
nr_io_queues = session->max_connections_allowed - 1;
/* Number of IO queues has a zero based value */
rsp->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
}

3
lib/nvmf/session.h
View File

@ -122,4 +122,7 @@ int spdk_nvmf_session_get_features_host_identifier(struct spdk_nvmf_request *req
int spdk_nvmf_session_set_features_keep_alive_timer(struct spdk_nvmf_request *req);
int spdk_nvmf_session_get_features_keep_alive_timer(struct spdk_nvmf_request *req);
int spdk_nvmf_session_set_features_number_of_queues(struct spdk_nvmf_request *req);
int spdk_nvmf_session_get_features_number_of_queues(struct spdk_nvmf_request *req);
#endif

22
lib/nvmf/virtual.c
View File

@ -271,7 +271,6 @@ static int
nvmf_virtual_ctrlr_get_features(struct spdk_nvmf_request *req)
{
uint8_t feature;
uint32_t nr_io_queues;
struct spdk_nvmf_session *session = req->conn->sess;
struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
@ -279,12 +278,7 @@ nvmf_virtual_ctrlr_get_features(struct spdk_nvmf_request *req)
feature = cmd->cdw10 & 0xff; /* mask out the FID value */
switch (feature) {
case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Get Features - Number of Queues\n");
nr_io_queues = session->max_connections_allowed - 1;
/* Number of IO queues has a zero based value */
response->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
return spdk_nvmf_session_get_features_number_of_queues(req);
case SPDK_NVME_FEAT_VOLATILE_WRITE_CACHE:
response->cdw0 = 1;
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
@ -307,7 +301,6 @@ static int
nvmf_virtual_ctrlr_set_features(struct spdk_nvmf_request *req)
{
uint8_t feature;
uint32_t nr_io_queues = 0;
struct spdk_nvmf_session *session = req->conn->sess;
struct spdk_nvme_cmd *cmd = &req->cmd->nvme_cmd;
struct spdk_nvme_cpl *response = &req->rsp->nvme_cpl;
@ -315,18 +308,7 @@ nvmf_virtual_ctrlr_set_features(struct spdk_nvmf_request *req)
feature = cmd->cdw10 & 0xff; /* mask out the FID value */
switch (feature) {
case SPDK_NVME_FEAT_NUMBER_OF_QUEUES:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Set Features - Number of Queues, cdw11 0x%x\n", cmd->cdw11);
nr_io_queues = session->max_connections_allowed - 1;
/* verify that the contoller is ready to process commands */
if (session->num_connections > 1) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Queue pairs already active!\n");
response->status.sc = SPDK_NVME_SC_COMMAND_SEQUENCE_ERROR;
} else {
/* Number of IO queues has a zero based value */
response->cdw0 = ((nr_io_queues - 1) << 16) |
(nr_io_queues - 1);
}
return SPDK_NVMF_REQUEST_EXEC_STATUS_COMPLETE;
return spdk_nvmf_session_set_features_number_of_queues(req);
case SPDK_NVME_FEAT_KEEP_ALIVE_TIMER:
return spdk_nvmf_session_set_features_keep_alive_timer(req);
case SPDK_NVME_FEAT_ASYNC_EVENT_CONFIGURATION: