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nvme: Unify spdk_nvme_discover and spdk_nvme_probe

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They were very close to the same already, so finish the job.

Change-Id: Ifba9e3b2d11a3e70cbfbe46f57a67552db2757ed
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Ben Walker 2016-12-09 15:33:47 -07:00 committed by Daniel Verkamp
parent c00bce397d
commit df46c41a4c
17 changed files with 31 additions and 61 deletions
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4
app/nvmf_tgt/conf.c
View File

@ -557,7 +557,7 @@ spdk_nvmf_parse_subsystem(struct spdk_conf_section *sp)
ctx.any = false;
}
if (spdk_nvme_probe(&ctx, probe_cb, attach_cb, NULL)) {
if (spdk_nvme_probe(NULL, &ctx, probe_cb, attach_cb, NULL)) {
SPDK_ERRLOG("One or more controllers failed in spdk_nvme_probe()\n");
}
@ -748,7 +748,7 @@ spdk_nvmf_parse_subsystem_for_rpc(const char *name,
ctx.any = false;
}
if (spdk_nvme_probe(&ctx, probe_cb, attach_cb, NULL)) {
if (spdk_nvme_probe(NULL, &ctx, probe_cb, attach_cb, NULL)) {
SPDK_ERRLOG("One or more controllers failed in spdk_nvme_probe()\n");
}

2
examples/nvme/arbitration/arbitration.c
View File

@ -882,7 +882,7 @@ register_controllers(void)
{
printf("Initializing NVMe Controllers\n");
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

2
examples/nvme/fio_plugin/fio_plugin.c
View File

@ -205,7 +205,7 @@ static int spdk_fio_setup(struct thread_data *td)
}
/* Enumerate all of the controllers */
if (spdk_nvme_probe(td, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, td, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

2
examples/nvme/hello_world/hello_world.c
View File

@ -340,7 +340,7 @@ int main(int argc, char **argv)
* called for each controller after the SPDK NVMe driver has completed
* initializing the controller we chose to attach.
*/
rc = spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL);
rc = spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL);
if (rc != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
cleanup();

4
examples/nvme/hotplug/hotplug.c
View File

@ -337,7 +337,7 @@ io_loop(void)
/*
* Check for hotplug events.
*/
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, remove_cb) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, remove_cb) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
break;
}
@ -421,7 +421,7 @@ register_controllers(void)
{
fprintf(stderr, "Initializing NVMe Controllers\n");
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, remove_cb) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, remove_cb) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

4
examples/nvme/identify/identify.c
View File

@ -990,12 +990,12 @@ int main(int argc, char **argv)
rc = 0;
if (trid.trtype == SPDK_NVME_TRANSPORT_RDMA) {
if (spdk_nvme_discover(&trid, NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(&trid, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
}
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
rc = 1;
}

2
examples/nvme/nvme_manage/nvme_manage.c
View File

@ -853,7 +853,7 @@ int main(int argc, char **argv)
exit(1);
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

6
examples/nvme/perf/perf.c
View File

@ -1045,7 +1045,7 @@ register_controllers(void)
printf("Initializing NVMe Controllers\n");
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
}
@ -1091,8 +1091,8 @@ register_controllers(void)
p = (char *)p1 + 1;
snprintf(trid.trsvcid, sizeof(trid.trsvcid), "%s", p);
if (spdk_nvme_discover(&trid, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_discover() failed\n");
if (spdk_nvme_probe(&trid, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
}
}

2
examples/nvme/reserve/reserve.c
View File

@ -400,7 +400,7 @@ int main(int argc, char **argv)
exit(1);
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

29
include/spdk/nvme.h
View File

@ -215,28 +215,12 @@ typedef void (*spdk_nvme_attach_cb)(void *cb_ctx, const struct spdk_nvme_transpo
typedef void (*spdk_nvme_remove_cb)(void *cb_ctx, struct spdk_nvme_ctrlr *ctrlr);
/**
* \brief Perform a device discovery using the discovery service specified by trid.
*
* \param trid The address of the discovery service on which to perform the discovery.
* \param cb_ctx Opaque value which will be passed back in cb_ctx parameter of the callbacks.
* \param probe_cb will be called once per NVMe device found in the system.
* \param attach_cb will be called for devices for which probe_cb returned true once that NVMe
* controller has been attached to the userspace driver.
* \param remove_cb will be called for devices that were attached in a previous spdk_nvme_probe()
* call but are no longer attached to the system. Optional; specify NULL if removal notices are not
* desired.
*
*/
int spdk_nvme_discover(const struct spdk_nvme_transport_id *trid,
void *cb_ctx,
spdk_nvme_probe_cb probe_cb,
spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb);
/**
* \brief Enumerate the NVMe devices attached to the system and attach the userspace NVMe driver
* to them if desired.
* \brief Enumerate the bus indicated by the transport ID and attach the userspace NVMe driver
* to each device found if desired.
*
* \param trid The transport ID indicating which bus to enumerate. If the trtype is PCIe or trid is NULL,
* this will scan the local PCIe bus. If the trtype is RDMA, the traddr and trsvcid must point at the
* location of an NVMe-oF discovery service.
* \param cb_ctx Opaque value which will be passed back in cb_ctx parameter of the callbacks.
* \param probe_cb will be called once per NVMe device found in the system.
* \param attach_cb will be called for devices for which probe_cb returned true once that NVMe
@ -257,7 +241,8 @@ int spdk_nvme_discover(const struct spdk_nvme_transport_id *trid,
* To stop using the the controller and release its associated resources,
* call \ref spdk_nvme_detach with the spdk_nvme_ctrlr instance returned by this function.
*/
int spdk_nvme_probe(void *cb_ctx,
int spdk_nvme_probe(const struct spdk_nvme_transport_id *trid,
void *cb_ctx,
spdk_nvme_probe_cb probe_cb,
spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb);

2
lib/bdev/nvme/blockdev_nvme.c
View File

@ -551,7 +551,7 @@ spdk_bdev_nvme_create(struct nvme_probe_ctx *ctx)
prev_index_max = blockdev_index_max;
if (spdk_nvme_probe(ctx, probe_cb, attach_cb, NULL)) {
if (spdk_nvme_probe(NULL, ctx, probe_cb, attach_cb, NULL)) {
return -1;
}

23
lib/nvme/nvme.c
View File

@ -434,10 +434,10 @@ nvme_hotplug_monitor(void *cb_ctx, spdk_nvme_probe_cb probe_cb,
return 0;
}
static int
_spdk_nvme_probe(const struct spdk_nvme_transport_id *trid, void *cb_ctx,
spdk_nvme_probe_cb probe_cb, spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb)
int
spdk_nvme_probe(const struct spdk_nvme_transport_id *trid, void *cb_ctx,
spdk_nvme_probe_cb probe_cb, spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb)
{
int rc;
struct spdk_nvme_ctrlr *ctrlr;
@ -501,19 +501,4 @@ _spdk_nvme_probe(const struct spdk_nvme_transport_id *trid, void *cb_ctx,
return rc;
}
int spdk_nvme_discover(const struct spdk_nvme_transport_id *trid,
void *cb_ctx,
spdk_nvme_probe_cb probe_cb,
spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb)
{
return _spdk_nvme_probe(trid, cb_ctx, probe_cb, attach_cb, remove_cb);
}
int
spdk_nvme_probe(void *cb_ctx, spdk_nvme_probe_cb probe_cb, spdk_nvme_attach_cb attach_cb,
spdk_nvme_remove_cb remove_cb)
{
return _spdk_nvme_probe(NULL, cb_ctx, probe_cb, attach_cb, remove_cb);
}
SPDK_LOG_REGISTER_TRACE_FLAG("nvme", SPDK_TRACE_NVME)

2
test/lib/nvme/aer/aer.c
View File

@ -237,7 +237,7 @@ int main(int argc, char **argv)
exit(1);
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

2
test/lib/nvme/e2edp/nvme_dp.c
View File

@ -653,7 +653,7 @@ int main(int argc, char **argv)
exit(1);
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "nvme_probe() failed\n");
exit(1);
}

2
test/lib/nvme/overhead/overhead.c
View File

@ -562,7 +562,7 @@ register_controllers(void)
{
printf("Initializing NVMe Controllers\n");
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

2
test/lib/nvme/reset/reset.c
View File

@ -526,7 +526,7 @@ register_controllers(void)
{
printf("Initializing NVMe Controllers\n");
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "spdk_nvme_probe() failed\n");
return 1;
}

2
test/lib/nvme/sgl/sgl.c
View File

@ -427,7 +427,7 @@ int main(int argc, char **argv)
exit(1);
}
if (spdk_nvme_probe(NULL, probe_cb, attach_cb, NULL) != 0) {
if (spdk_nvme_probe(NULL, NULL, probe_cb, attach_cb, NULL) != 0) {
fprintf(stderr, "nvme_probe() failed\n");
exit(1);
}