* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#include "spdk/bdev.h"
+#include "spdk/env.h"
#include "spdk/log.h"
#include "spdk/rpc.h"
+#include "spdk/string.h"
+#include "spdk/util.h"
+
+#include "spdk/bdev_module.h"
+
+struct rpc_get_bdevs_iostat_ctx {
+ int bdev_count;
+ struct spdk_jsonrpc_request *request;
+ struct spdk_json_write_ctx *w;
+};
+
+static void
+spdk_rpc_get_bdevs_iostat_cb(struct spdk_bdev *bdev,
+ struct spdk_bdev_io_stat *stat, void *cb_arg, int rc)
+{
+ struct rpc_get_bdevs_iostat_ctx *ctx = cb_arg;
+ struct spdk_json_write_ctx *w = ctx->w;
+ const char *bdev_name;
+
+ if (rc != 0) {
+ goto done;
+ }
+
+ bdev_name = spdk_bdev_get_name(bdev);
+ if (bdev_name != NULL) {
+ spdk_json_write_object_begin(w);
+
+ spdk_json_write_name(w, "name");
+ spdk_json_write_string(w, bdev_name);
+
+ spdk_json_write_name(w, "bytes_read");
+ spdk_json_write_uint64(w, stat->bytes_read);
+
+ spdk_json_write_name(w, "num_read_ops");
+ spdk_json_write_uint64(w, stat->num_read_ops);
+
+ spdk_json_write_name(w, "bytes_written");
+ spdk_json_write_uint64(w, stat->bytes_written);
+
+ spdk_json_write_name(w, "num_write_ops");
+ spdk_json_write_uint64(w, stat->num_write_ops);
+
+ spdk_json_write_name(w, "read_latency_ticks");
+ spdk_json_write_uint64(w, stat->read_latency_ticks);
+
+ spdk_json_write_name(w, "write_latency_ticks");
+ spdk_json_write_uint64(w, stat->write_latency_ticks);
+
+ if (spdk_bdev_get_qd_sampling_period(bdev)) {
+ spdk_json_write_name(w, "queue_depth_polling_period");
+ spdk_json_write_uint64(w, spdk_bdev_get_qd_sampling_period(bdev));
+
+ spdk_json_write_name(w, "queue_depth");
+ spdk_json_write_uint64(w, spdk_bdev_get_qd(bdev));
+
+ spdk_json_write_name(w, "io_time");
+ spdk_json_write_uint64(w, spdk_bdev_get_io_time(bdev));
+
+ spdk_json_write_name(w, "weighted_io_time");
+ spdk_json_write_uint64(w, spdk_bdev_get_weighted_io_time(bdev));
+ }
+
+ spdk_json_write_object_end(w);
+ }
+
+done:
+ free(stat);
+ if (--ctx->bdev_count == 0) {
+ spdk_json_write_array_end(ctx->w);
+ spdk_jsonrpc_end_result(ctx->request, ctx->w);
+ free(ctx);
+ }
+}
+
+struct rpc_get_bdevs_iostat {
+ char *name;
+};
+
+static void
+free_rpc_get_bdevs_iostat(struct rpc_get_bdevs_iostat *r)
+{
+ free(r->name);
+}
+
+static const struct spdk_json_object_decoder rpc_get_bdevs_iostat_decoders[] = {
+ {"name", offsetof(struct rpc_get_bdevs_iostat, name), spdk_json_decode_string, true},
+};
static void
-spdk_rpc_get_bdevs(struct spdk_jsonrpc_server_conn *conn,
- const struct spdk_json_val *params,
- const struct spdk_json_val *id)
+spdk_rpc_get_bdevs_iostat(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
{
+ struct rpc_get_bdevs_iostat req = {};
+ struct spdk_bdev *bdev = NULL;
struct spdk_json_write_ctx *w;
- struct spdk_bdev *bdev;
+ struct spdk_bdev_io_stat *stat;
+ struct rpc_get_bdevs_iostat_ctx *ctx;
if (params != NULL) {
- spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
- "get_bdevs requires no parameters");
+ if (spdk_json_decode_object(params, rpc_get_bdevs_iostat_decoders,
+ SPDK_COUNTOF(rpc_get_bdevs_iostat_decoders),
+ &req)) {
+ SPDK_ERRLOG("spdk_json_decode_object failed\n");
+ goto invalid;
+ }
+
+ if (req.name) {
+ bdev = spdk_bdev_get_by_name(req.name);
+ if (bdev == NULL) {
+ SPDK_ERRLOG("bdev '%s' does not exist\n", req.name);
+ goto invalid;
+ }
+ }
+ }
+
+ free_rpc_get_bdevs_iostat(&req);
+
+ ctx = calloc(1, sizeof(struct rpc_get_bdevs_iostat_ctx));
+ if (ctx == NULL) {
+ SPDK_ERRLOG("Failed to allocate rpc_get_bdevs_iostat_ctx struct\n");
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "No memory left");
return;
}
- if (id == NULL) {
+ w = spdk_jsonrpc_begin_result(request);
+ if (w == NULL) {
+ free(ctx);
return;
}
- w = spdk_jsonrpc_begin_result(conn, id);
+ /*
+ * Increment initial bdev_count so that it will never reach 0 in the middle
+ * of iterating.
+ */
+ ctx->bdev_count++;
+ ctx->request = request;
+ ctx->w = w;
+
spdk_json_write_array_begin(w);
- for (bdev = spdk_bdev_first(); bdev != NULL; bdev = spdk_bdev_next(bdev)) {
- spdk_json_write_object_begin(w);
+ spdk_json_write_object_begin(w);
+ spdk_json_write_name(w, "tick_rate");
+ spdk_json_write_uint64(w, spdk_get_ticks_hz());
+ spdk_json_write_object_end(w);
- spdk_json_write_name(w, "name");
- spdk_json_write_string(w, bdev->name);
+ if (bdev != NULL) {
+ stat = calloc(1, sizeof(struct spdk_bdev_io_stat));
+ if (stat == NULL) {
+ SPDK_ERRLOG("Failed to allocate rpc_get_bdevs_iostat_ctx struct\n");
+ } else {
+ ctx->bdev_count++;
+ spdk_bdev_get_device_stat(bdev, stat, spdk_rpc_get_bdevs_iostat_cb, ctx);
+ }
+ } else {
+ for (bdev = spdk_bdev_first(); bdev != NULL; bdev = spdk_bdev_next(bdev)) {
+ stat = calloc(1, sizeof(struct spdk_bdev_io_stat));
+ if (stat == NULL) {
+ SPDK_ERRLOG("Failed to allocate spdk_bdev_io_stat struct\n");
+ break;
+ }
+ ctx->bdev_count++;
+ spdk_bdev_get_device_stat(bdev, stat, spdk_rpc_get_bdevs_iostat_cb, ctx);
+ }
+ }
- spdk_json_write_name(w, "product_name");
- spdk_json_write_string(w, bdev->product_name);
+ if (--ctx->bdev_count == 0) {
+ spdk_json_write_array_end(w);
+ spdk_jsonrpc_end_result(request, w);
+ free(ctx);
+ }
- spdk_json_write_name(w, "block_size");
- spdk_json_write_uint32(w, bdev->blocklen);
+ return;
- spdk_json_write_name(w, "num_blocks");
- spdk_json_write_uint64(w, bdev->blockcnt);
+invalid:
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
- spdk_json_write_name(w, "claimed");
- if (bdev->status == SPDK_BDEV_STATUS_CLAIMED) {
- spdk_json_write_bool(w, true);
- } else {
- spdk_json_write_bool(w, false);
- }
+ free_rpc_get_bdevs_iostat(&req);
+}
+SPDK_RPC_REGISTER("get_bdevs_iostat", spdk_rpc_get_bdevs_iostat, SPDK_RPC_RUNTIME)
- spdk_json_write_name(w, "driver_specific");
- spdk_json_write_object_begin(w);
- spdk_bdev_dump_config_json(bdev, w);
- spdk_json_write_object_end(w);
+static void
+spdk_rpc_dump_bdev_info(struct spdk_json_write_ctx *w,
+ struct spdk_bdev *bdev)
+{
+ struct spdk_bdev_alias *tmp;
+ uint64_t qos_limits[SPDK_BDEV_QOS_NUM_RATE_LIMIT_TYPES];
+ int i;
- spdk_json_write_object_end(w);
+ spdk_json_write_object_begin(w);
+
+ spdk_json_write_name(w, "name");
+ spdk_json_write_string(w, spdk_bdev_get_name(bdev));
+
+ spdk_json_write_name(w, "aliases");
+ spdk_json_write_array_begin(w);
+
+ TAILQ_FOREACH(tmp, spdk_bdev_get_aliases(bdev), tailq) {
+ spdk_json_write_string(w, tmp->alias);
}
+
spdk_json_write_array_end(w);
- spdk_jsonrpc_end_result(conn, w);
+ spdk_json_write_name(w, "product_name");
+ spdk_json_write_string(w, spdk_bdev_get_product_name(bdev));
+
+ spdk_json_write_name(w, "block_size");
+ spdk_json_write_uint32(w, spdk_bdev_get_block_size(bdev));
+
+ spdk_json_write_name(w, "num_blocks");
+ spdk_json_write_uint64(w, spdk_bdev_get_num_blocks(bdev));
+
+ if (!spdk_mem_all_zero(&bdev->uuid, sizeof(bdev->uuid))) {
+ char uuid_str[SPDK_UUID_STRING_LEN];
+
+ spdk_uuid_fmt_lower(uuid_str, sizeof(uuid_str), &bdev->uuid);
+ spdk_json_write_named_string(w, "uuid", uuid_str);
+ }
+
+ spdk_json_write_name(w, "assigned_rate_limits");
+ spdk_json_write_object_begin(w);
+ spdk_bdev_get_qos_rate_limits(bdev, qos_limits);
+ for (i = 0; i < SPDK_BDEV_QOS_NUM_RATE_LIMIT_TYPES; i++) {
+ spdk_json_write_name(w, spdk_bdev_get_qos_rpc_type(i));
+ spdk_json_write_uint64(w, qos_limits[i]);
+ }
+ spdk_json_write_object_end(w);
+
+ spdk_json_write_name(w, "claimed");
+ spdk_json_write_bool(w, (bdev->internal.claim_module != NULL));
+
+ spdk_json_write_name(w, "supported_io_types");
+ spdk_json_write_object_begin(w);
+ spdk_json_write_name(w, "read");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_READ));
+ spdk_json_write_name(w, "write");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_WRITE));
+ spdk_json_write_name(w, "unmap");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_UNMAP));
+ spdk_json_write_name(w, "write_zeroes");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_WRITE_ZEROES));
+ spdk_json_write_name(w, "flush");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_FLUSH));
+ spdk_json_write_name(w, "reset");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_RESET));
+ spdk_json_write_name(w, "nvme_admin");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_NVME_ADMIN));
+ spdk_json_write_name(w, "nvme_io");
+ spdk_json_write_bool(w, spdk_bdev_io_type_supported(bdev, SPDK_BDEV_IO_TYPE_NVME_IO));
+ spdk_json_write_object_end(w);
+
+ spdk_json_write_name(w, "driver_specific");
+ spdk_json_write_object_begin(w);
+ spdk_bdev_dump_info_json(bdev, w);
+ spdk_json_write_object_end(w);
+
+ spdk_json_write_object_end(w);
}
-SPDK_RPC_REGISTER("get_bdevs", spdk_rpc_get_bdevs)
+struct rpc_get_bdevs {
+ char *name;
+};
+
+static void
+free_rpc_get_bdevs(struct rpc_get_bdevs *r)
+{
+ free(r->name);
+}
+
+static const struct spdk_json_object_decoder rpc_get_bdevs_decoders[] = {
+ {"name", offsetof(struct rpc_get_bdevs, name), spdk_json_decode_string, true},
+};
+
+static void
+spdk_rpc_get_bdevs(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_get_bdevs req = {};
+ struct spdk_json_write_ctx *w;
+ struct spdk_bdev *bdev = NULL;
+
+ if (params && spdk_json_decode_object(params, rpc_get_bdevs_decoders,
+ SPDK_COUNTOF(rpc_get_bdevs_decoders),
+ &req)) {
+ SPDK_ERRLOG("spdk_json_decode_object failed\n");
+ goto invalid;
+ }
+
+ if (req.name) {
+ bdev = spdk_bdev_get_by_name(req.name);
+ if (bdev == NULL) {
+ SPDK_ERRLOG("bdev '%s' does not exist\n", req.name);
+ goto invalid;
+ }
+ }
+
+ free_rpc_get_bdevs(&req);
+ w = spdk_jsonrpc_begin_result(request);
+ if (w == NULL) {
+ return;
+ }
+
+ spdk_json_write_array_begin(w);
+
+ if (bdev != NULL) {
+ spdk_rpc_dump_bdev_info(w, bdev);
+ } else {
+ for (bdev = spdk_bdev_first(); bdev != NULL; bdev = spdk_bdev_next(bdev)) {
+ spdk_rpc_dump_bdev_info(w, bdev);
+ }
+ }
+
+ spdk_json_write_array_end(w);
+
+ spdk_jsonrpc_end_result(request, w);
+
+ return;
+
+invalid:
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
+
+ free_rpc_get_bdevs(&req);
+}
+SPDK_RPC_REGISTER("get_bdevs", spdk_rpc_get_bdevs, SPDK_RPC_RUNTIME)
struct rpc_delete_bdev {
char *name;
};
static void
-spdk_rpc_delete_bdev(struct spdk_jsonrpc_server_conn *conn,
- const struct spdk_json_val *params,
- const struct spdk_json_val *id)
+_spdk_rpc_delete_bdev_cb(void *cb_arg, int bdeverrno)
+{
+ struct spdk_jsonrpc_request *request = cb_arg;
+ struct spdk_json_write_ctx *w;
+
+ w = spdk_jsonrpc_begin_result(request);
+ if (w == NULL) {
+ return;
+ }
+
+ spdk_json_write_bool(w, bdeverrno == 0);
+ spdk_jsonrpc_end_result(request, w);
+}
+
+static void
+spdk_rpc_delete_bdev(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
{
struct rpc_delete_bdev req = {};
struct spdk_bdev *bdev;
- struct spdk_json_write_ctx *w;
if (spdk_json_decode_object(params, rpc_delete_bdev_decoders,
- sizeof(rpc_delete_bdev_decoders) / sizeof(*rpc_delete_bdev_decoders),
+ SPDK_COUNTOF(rpc_delete_bdev_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
goto invalid;
goto invalid;
}
- spdk_bdev_unregister(bdev);
+ spdk_bdev_unregister(bdev, _spdk_rpc_delete_bdev_cb, request);
+
+ free_rpc_delete_bdev(&req);
+
+ return;
+invalid:
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free_rpc_delete_bdev(&req);
+}
+SPDK_RPC_REGISTER("delete_bdev", spdk_rpc_delete_bdev, SPDK_RPC_RUNTIME)
+
+struct rpc_set_bdev_qd_sampling_period {
+ char *name;
+ uint64_t period;
+};
+
+static void
+free_rpc_set_bdev_qd_sampling_period(struct rpc_set_bdev_qd_sampling_period *r)
+{
+ free(r->name);
+}
+
+static const struct spdk_json_object_decoder
+ rpc_set_bdev_qd_sampling_period_decoders[] = {
+ {"name", offsetof(struct rpc_set_bdev_qd_sampling_period, name), spdk_json_decode_string},
+ {"period", offsetof(struct rpc_set_bdev_qd_sampling_period, period), spdk_json_decode_uint64},
+};
+
+static void
+spdk_rpc_set_bdev_qd_sampling_period(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_set_bdev_qd_sampling_period req = {0};
+ struct spdk_bdev *bdev;
+ struct spdk_json_write_ctx *w;
+
+ req.period = UINT64_MAX;
+
+ if (spdk_json_decode_object(params, rpc_set_bdev_qd_sampling_period_decoders,
+ SPDK_COUNTOF(rpc_set_bdev_qd_sampling_period_decoders),
+ &req)) {
+ SPDK_ERRLOG("spdk_json_decode_object failed\n");
+ goto invalid;
+ }
+
+ if (req.name) {
+ bdev = spdk_bdev_get_by_name(req.name);
+ if (bdev == NULL) {
+ SPDK_ERRLOG("bdev '%s' does not exist\n", req.name);
+ goto invalid;
+ }
+ } else {
+ SPDK_ERRLOG("Missing name param\n");
+ goto invalid;
+ }
+
+ if (req.period == UINT64_MAX) {
+ SPDK_ERRLOG("Missing period param");
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ spdk_bdev_set_qd_sampling_period(bdev, req.period);
+
+ spdk_json_write_bool(w, true);
+ spdk_jsonrpc_end_result(request, w);
+ free_rpc_set_bdev_qd_sampling_period(&req);
+ return;
+
+invalid:
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
+ free_rpc_set_bdev_qd_sampling_period(&req);
+ return;
+}
+SPDK_RPC_REGISTER("set_bdev_qd_sampling_period",
+ spdk_rpc_set_bdev_qd_sampling_period,
+ SPDK_RPC_RUNTIME)
+
+struct rpc_set_bdev_qos_limit {
+ char *name;
+ uint64_t limits[SPDK_BDEV_QOS_NUM_RATE_LIMIT_TYPES];
+};
+
+static void
+free_rpc_set_bdev_qos_limit(struct rpc_set_bdev_qos_limit *r)
+{
+ free(r->name);
+}
+
+static const struct spdk_json_object_decoder rpc_set_bdev_qos_limit_decoders[] = {
+ {"name", offsetof(struct rpc_set_bdev_qos_limit, name), spdk_json_decode_string},
+ {
+ "rw_ios_per_sec", offsetof(struct rpc_set_bdev_qos_limit,
+ limits[SPDK_BDEV_QOS_RW_IOPS_RATE_LIMIT]),
+ spdk_json_decode_uint64, true
+ },
+ {
+ "rw_mbytes_per_sec", offsetof(struct rpc_set_bdev_qos_limit,
+ limits[SPDK_BDEV_QOS_RW_BPS_RATE_LIMIT]),
+ spdk_json_decode_uint64, true
+ },
+};
+
+static void
+spdk_rpc_set_bdev_qos_limit_complete(void *cb_arg, int status)
+{
+ struct spdk_jsonrpc_request *request = cb_arg;
+ struct spdk_json_write_ctx *w;
- if (id == NULL) {
+ if (status != 0) {
+ spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "Failed to configure rate limit: %s",
+ spdk_strerror(-status));
+ return;
+ }
+
+ w = spdk_jsonrpc_begin_result(request);
+ if (w == NULL) {
return;
}
- w = spdk_jsonrpc_begin_result(conn, id);
spdk_json_write_bool(w, true);
- spdk_jsonrpc_end_result(conn, w);
+ spdk_jsonrpc_end_result(request, w);
+}
+
+static void
+spdk_rpc_set_bdev_qos_limit(struct spdk_jsonrpc_request *request,
+ const struct spdk_json_val *params)
+{
+ struct rpc_set_bdev_qos_limit req = {NULL, {UINT64_MAX, UINT64_MAX}};
+ struct spdk_bdev *bdev;
+ bool valid_limit = false;
+ int i;
+
+ if (spdk_json_decode_object(params, rpc_set_bdev_qos_limit_decoders,
+ SPDK_COUNTOF(rpc_set_bdev_qos_limit_decoders),
+ &req)) {
+ SPDK_ERRLOG("spdk_json_decode_object failed\n");
+ goto invalid;
+ }
+
+ bdev = spdk_bdev_get_by_name(req.name);
+ if (bdev == NULL) {
+ SPDK_ERRLOG("bdev '%s' does not exist\n", req.name);
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "Bdev does not exist");
+ goto exit;
+ }
+
+ for (i = 0; i < SPDK_BDEV_QOS_NUM_RATE_LIMIT_TYPES; i++) {
+ if (req.limits[i] != UINT64_MAX) {
+ valid_limit = true;
+ }
+ }
+
+ if (valid_limit == false) {
+ SPDK_ERRLOG("no rate limits specified\n");
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
+ "No rate limits specified");
+ goto exit;
+ }
+
+ free_rpc_set_bdev_qos_limit(&req);
+ spdk_bdev_set_qos_rate_limits(bdev, req.limits, spdk_rpc_set_bdev_qos_limit_complete, request);
return;
invalid:
- spdk_jsonrpc_send_error_response(conn, id, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
- free_rpc_delete_bdev(&req);
+ spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
+exit:
+ free_rpc_set_bdev_qos_limit(&req);
}
-SPDK_RPC_REGISTER("delete_bdev", spdk_rpc_delete_bdev)
+
+SPDK_RPC_REGISTER("set_bdev_qos_limit", spdk_rpc_set_bdev_qos_limit, SPDK_RPC_RUNTIME)
projects / ceph.git / blobdiff