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nvme: make nvme_ctrlr_set_host_id() can be executed asynchronously

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Change-Id: I8a0a11565c73fecfda402677fd8ddd55b02ff53a
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/424373
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 2018-09-06 22:31:54 -04:00 committed by Jim Harris
parent a61aff774c
commit 98b1970943
2 changed files with 36 additions and 14 deletions
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45
lib/nvme/nvme_ctrlr.c
View File

@ -638,6 +638,8 @@ nvme_ctrlr_state_string(enum nvme_ctrlr_state state)
return "set keep alive timeout";
case NVME_CTRLR_STATE_SET_HOST_ID:
return "set host ID";
case NVME_CTRLR_STATE_WAIT_FOR_HOST_ID:
return "wait for set host ID";
case NVME_CTRLR_STATE_READY:
return "ready";
case NVME_CTRLR_STATE_ERROR:
@ -1053,10 +1055,28 @@ nvme_ctrlr_set_keep_alive_timeout(struct spdk_nvme_ctrlr *ctrlr)
return 0;
}
static void
nvme_ctrlr_set_host_id_done(void *arg, const struct spdk_nvme_cpl *cpl)
{
struct spdk_nvme_ctrlr *ctrlr = (struct spdk_nvme_ctrlr *)arg;
if (spdk_nvme_cpl_is_error(cpl)) {
/*
* Treat Set Features - Host ID failure as non-fatal, since the Host ID feature
* is optional.
*/
SPDK_WARNLOG("Set Features - Host ID failed: SC 0x%x SCT 0x%x\n",
cpl->status.sc, cpl->status.sct);
} else {
SPDK_DEBUGLOG(SPDK_LOG_NVME, "Set Features - Host ID was successful\n");
}
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_READY, NVME_TIMEOUT_INFINITE);
}
static int
nvme_ctrlr_set_host_id(struct spdk_nvme_ctrlr *ctrlr)
{
struct nvme_completion_poll_status status;
uint8_t *host_id;
uint32_t host_id_size;
int rc;
@ -1067,6 +1087,7 @@ nvme_ctrlr_set_host_id(struct spdk_nvme_ctrlr *ctrlr)
* Set Features - Host Identifier after Connect, so we don't need to do anything here.
*/
SPDK_DEBUGLOG(SPDK_LOG_NVME, "NVMe-oF transport - not sending Set Features - Host ID\n");
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_READY, NVME_TIMEOUT_INFINITE);
return 0;
}
@ -1084,28 +1105,21 @@ nvme_ctrlr_set_host_id(struct spdk_nvme_ctrlr *ctrlr)
if (spdk_mem_all_zero(host_id, host_id_size)) {
SPDK_DEBUGLOG(SPDK_LOG_NVME,
"User did not specify host ID - not sending Set Features - Host ID\n");
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_READY, NVME_TIMEOUT_INFINITE);
return 0;
}
SPDK_TRACEDUMP(SPDK_LOG_NVME, "host_id", host_id, host_id_size);
rc = nvme_ctrlr_cmd_set_host_id(ctrlr, host_id, host_id_size, nvme_completion_poll_cb, &status);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_WAIT_FOR_HOST_ID, NVME_TIMEOUT_INFINITE);
rc = nvme_ctrlr_cmd_set_host_id(ctrlr, host_id, host_id_size, nvme_ctrlr_set_host_id_done, ctrlr);
if (rc != 0) {
SPDK_ERRLOG("Set Features - Host ID failed: %d\n", rc);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_ERROR, NVME_TIMEOUT_INFINITE);
return rc;
}
if (spdk_nvme_wait_for_completion(ctrlr->adminq, &status)) {
SPDK_WARNLOG("Set Features - Host ID failed: SC 0x%x SCT 0x%x\n",
status.cpl.status.sc, status.cpl.status.sct);
/*
* Treat Set Features - Host ID failure as non-fatal, since the Host ID feature
* is optional.
*/
return 0;
}
SPDK_DEBUGLOG(SPDK_LOG_NVME, "Set Features - Host ID was successful\n");
return 0;
}
@ -1774,7 +1788,10 @@ nvme_ctrlr_process_init(struct spdk_nvme_ctrlr *ctrlr)
case NVME_CTRLR_STATE_SET_HOST_ID:
rc = nvme_ctrlr_set_host_id(ctrlr);
nvme_ctrlr_set_state(ctrlr, NVME_CTRLR_STATE_READY, NVME_TIMEOUT_INFINITE);
break;
case NVME_CTRLR_STATE_WAIT_FOR_HOST_ID:
spdk_nvme_qpair_process_completions(ctrlr->adminq, 0);
break;
case NVME_CTRLR_STATE_READY:

5
lib/nvme/nvme_internal.h
View File

@ -467,6 +467,11 @@ enum nvme_ctrlr_state {
*/
NVME_CTRLR_STATE_SET_HOST_ID,
/**
* Waiting for Set Host ID to be completed.
*/
NVME_CTRLR_STATE_WAIT_FOR_HOST_ID,
/**
* Controller initialization has completed and the controller is ready.
*/