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nvme: broken up nvme_ctrlr_set_num_qpairs() into set/get functions

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Change-Id: If5744389ae36f9af0964040d30f81afca3fc4962
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/425063
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@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 2018-09-07 02:17:48 -04:00 committed by Jim Harris
parent 5a02886075
commit 8b95dbab84
2 changed files with 29 additions and 8 deletions
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28
lib/nvme/nvme_ctrlr.c
View File

@ -622,8 +622,10 @@ nvme_ctrlr_state_string(enum nvme_ctrlr_state state)
return "identify controller";
case NVME_CTRLR_STATE_WAIT_FOR_IDENTIFY:
return "wait for identify controller";
case NVME_CTRLR_STATE_SET_NUM_QPAIRS:
case NVME_CTRLR_STATE_SET_NUM_QUEUES:
return "set number of queues";
case NVME_CTRLR_STATE_GET_NUM_QUEUES:
return "get number of queues";
case NVME_CTRLR_STATE_CONSTRUCT_NS:
return "construct namespaces";
case NVME_CTRLR_STATE_CONFIGURE_AER:
@ -856,7 +858,7 @@ nvme_ctrlr_identify_done(void *arg, const struct spdk_nvme_cpl *cpl)
ctrlr->max_sges = nvme_transport_ctrlr_get_max_sges(ctrlr);
}
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_SET_NUM_QPAIRS, NVME_TIMEOUT_INFINITE);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_SET_NUM_QUEUES, NVME_TIMEOUT_INFINITE);
}
static int
@ -949,10 +951,9 @@ fail:
}
static int
nvme_ctrlr_set_num_qpairs(struct spdk_nvme_ctrlr *ctrlr)
nvme_ctrlr_set_num_queues(struct spdk_nvme_ctrlr *ctrlr)
{
struct nvme_completion_poll_status status;
uint32_t cq_allocated, sq_allocated, min_allocated, i;
int rc;
if (ctrlr->opts.num_io_queues > SPDK_NVME_MAX_IO_QUEUES) {
@ -974,6 +975,16 @@ nvme_ctrlr_set_num_qpairs(struct spdk_nvme_ctrlr *ctrlr)
SPDK_ERRLOG("Set Features - Number of Queues failed!\n");
}
return 0;
}
static int
nvme_ctrlr_get_num_queues(struct spdk_nvme_ctrlr *ctrlr)
{
struct nvme_completion_poll_status status;
uint32_t cq_allocated, sq_allocated, min_allocated, i;
int rc;
/* Obtain the number of queues allocated using Get Features. */
rc = nvme_ctrlr_cmd_get_num_queues(ctrlr, nvme_completion_poll_cb, &status);
if (rc != 0) {
@ -1778,8 +1789,13 @@ nvme_ctrlr_process_init(struct spdk_nvme_ctrlr *ctrlr)
spdk_nvme_qpair_process_completions(ctrlr->adminq, 0);
break;
case NVME_CTRLR_STATE_SET_NUM_QPAIRS:
rc = nvme_ctrlr_set_num_qpairs(ctrlr);
case NVME_CTRLR_STATE_SET_NUM_QUEUES:
rc = nvme_ctrlr_set_num_queues(ctrlr);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_GET_NUM_QUEUES, NVME_TIMEOUT_INFINITE);
break;
case NVME_CTRLR_STATE_GET_NUM_QUEUES:
rc = nvme_ctrlr_get_num_queues(ctrlr);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_CONSTRUCT_NS, NVME_TIMEOUT_INFINITE);
break;

9
lib/nvme/nvme_internal.h
View File

@ -428,9 +428,14 @@ enum nvme_ctrlr_state {
NVME_CTRLR_STATE_WAIT_FOR_IDENTIFY,
/**
* Setup Number of Queues of the controller.
* Set Number of Queues of the controller.
*/
NVME_CTRLR_STATE_SET_NUM_QPAIRS,
NVME_CTRLR_STATE_SET_NUM_QUEUES,
/**
* Get Number of Queues of the controller.
*/
NVME_CTRLR_STATE_GET_NUM_QUEUES,
/**
* Construct Namespaces of the controller.