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bdev,nvme: make conf can parse NVMe-oF target

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Preivously, we can only parse NVMe-oF target by
rpc. Also the handling for local NVMe device and
remote NVMe devices are not consistent. With this
patch, we can handle it in the consistent way.

Change-Id: Id5c25f8b38a38ac997887b78c2321f148b8844ec
Signed-off-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-on: https://review.gerrithub.io/364348
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Ziye Yang 2017-06-08 09:54:36 +08:00 committed by Daniel Verkamp
parent 5dff1923b6
commit 99cad03497
1 changed files with 71 additions and 51 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

110
lib/bdev/nvme/blockdev_nvme.c
View File

@ -595,16 +595,39 @@ hotplug_probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
return true;
}
static struct nvme_ctrlr *
nvme_ctrlr_get(const struct spdk_nvme_transport_id *trid)
{
struct nvme_ctrlr *nvme_ctrlr;
TAILQ_FOREACH(nvme_ctrlr, &g_nvme_ctrlrs, tailq) {
if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->trid) == 0) {
return nvme_ctrlr;
}
}
return NULL;
}
static bool
probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
struct spdk_nvme_ctrlr_opts *opts)
{
struct nvme_probe_ctx *ctx = cb_ctx;
size_t i;
bool claim_device = false;
SPDK_TRACELOG(SPDK_TRACE_BDEV_NVME, "Probing device %s\n", trid->traddr);
if (nvme_ctrlr_get(trid)) {
SPDK_ERRLOG("A controller with the provided trid (traddr: %s) already exists.\n",
trid->traddr);
return false;
}
if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
struct spdk_pci_addr pci_addr;
bool claim_device = false;
struct nvme_probe_ctx *ctx = cb_ctx;
size_t i;
for (i = 0; i < ctx->count; i++) {
if (spdk_nvme_transport_id_compare(trid, &ctx->trids[i]) == 0) {
claim_device = true;
@ -617,9 +640,6 @@ probe_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
return false;
}
if (trid->trtype == SPDK_NVME_TRANSPORT_PCIE) {
struct spdk_pci_addr pci_addr;
if (spdk_pci_addr_parse(&pci_addr, trid->traddr)) {
return false;
}
@ -733,20 +753,6 @@ attach_cb(void *cb_ctx, const struct spdk_nvme_transport_id *trid,
}
}
static struct nvme_ctrlr *
nvme_ctrlr_get(const struct spdk_nvme_transport_id *trid)
{
struct nvme_ctrlr *nvme_ctrlr;
TAILQ_FOREACH(nvme_ctrlr, &g_nvme_ctrlrs, tailq) {
if (spdk_nvme_transport_id_compare(trid, &nvme_ctrlr->trid) == 0) {
return nvme_ctrlr;
}
}
return NULL;
}
static void
remove_cb(void *cb_ctx, struct spdk_nvme_ctrlr *ctrlr)
{
@ -870,31 +876,6 @@ bdev_nvme_library_init(void)
spdk_nvme_retry_count = retry_count;
for (i = 0; i < NVME_MAX_CONTROLLERS; i++) {
val = spdk_conf_section_get_nmval(sp, "TransportID", i, 0);
if (val == NULL) {
break;
}
rc = spdk_nvme_transport_id_parse(&probe_ctx->trids[i], val);
if (rc < 0) {
SPDK_ERRLOG("Unable to parse TransportID: %s\n", val);
rc = -1;
goto end;
}
val = spdk_conf_section_get_nmval(sp, "TransportID", i, 1);
if (val == NULL) {
SPDK_ERRLOG("No name provided for TransportID\n");
rc = -1;
goto end;
}
probe_ctx->names[i] = val;
probe_ctx->count++;
}
if ((g_timeout = spdk_conf_section_get_intval(sp, "Timeout")) < 0) {
/* Check old name for backward compatibility */
if ((g_timeout = spdk_conf_section_get_intval(sp, "NvmeTimeoutValue")) < 0) {
@ -946,6 +927,45 @@ bdev_nvme_library_init(void)
g_nvme_hotplug_poll_core = spdk_env_get_current_core();
}
for (i = 0; i < NVME_MAX_CONTROLLERS; i++) {
val = spdk_conf_section_get_nmval(sp, "TransportID", i, 0);
if (val == NULL) {
break;
}
rc = spdk_nvme_transport_id_parse(&probe_ctx->trids[i], val);
if (rc < 0) {
SPDK_ERRLOG("Unable to parse TransportID: %s\n", val);
rc = -1;
goto end;
}
val = spdk_conf_section_get_nmval(sp, "TransportID", i, 1);
if (val == NULL) {
SPDK_ERRLOG("No name provided for TransportID\n");
rc = -1;
goto end;
}
probe_ctx->names[i] = val;
probe_ctx->count++;
if (probe_ctx->trids[i].trtype == SPDK_NVME_TRANSPORT_RDMA) {
if (probe_ctx->trids[i].subnqn[0] == '\0') {
SPDK_ERRLOG("Need to provide subsystem nqn\n");
rc = -1;
goto end;
}
if (spdk_nvme_probe(&probe_ctx->trids[i], probe_ctx, probe_cb, attach_cb, NULL)) {
rc = -1;
goto end;
}
}
}
/* used to probe local NVMe device */
if (spdk_nvme_probe(NULL, probe_ctx, probe_cb, attach_cb, NULL)) {
rc = -1;
goto end;