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numam-spdk/lib/nvmf/nvmf_rpc.c
Ziye Yang 3b16c6ddc2 lib/nvmf: support ABI compatibility for spdk_nvmf_transport_opts 
This patch is used to support ABI compatibility related with
spdk_nvmf_transport_opts structure. We add a field opts_size in
spdk_nvmf_transport_opts and change the related two functions.

Fixes issue: 1485

Change-Id: Ifed3dc482bbc8fb54eb7089f7a1931718682f214
Signed-off-by: Ziye Yang <ziye.yang@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5293
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Jacek Kalwas <jacek.kalwas@intel.com>
2020-12-11 11:10:16 +00:00

2558 lines
77 KiB
C
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/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation. All rights reserved.
* Copyright (c) 2018-2020 Mellanox Technologies LTD. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "spdk/bdev.h"
#include "spdk/log.h"
#include "spdk/rpc.h"
#include "spdk/env.h"
#include "spdk/nvme.h"
#include "spdk/nvmf.h"
#include "spdk/string.h"
#include "spdk/util.h"
#include "spdk/bit_array.h"
#include "spdk_internal/assert.h"
#include "nvmf_internal.h"
static int
json_write_hex_str(struct spdk_json_write_ctx *w, const void *data, size_t size)
{
static const char hex_char[16] = "0123456789ABCDEF";
const uint8_t *buf = data;
char *str, *out;
int rc;
str = malloc(size * 2 + 1);
if (str == NULL) {
return -1;
}
out = str;
while (size--) {
unsigned byte = *buf++;
out[0] = hex_char[(byte >> 4) & 0xF];
out[1] = hex_char[byte & 0xF];
out += 2;
}
*out = '\0';
rc = spdk_json_write_string(w, str);
free(str);
return rc;
}
static int
hex_nybble_to_num(char c)
{
if (c >= '0' && c <= '9') {
return c - '0';
}
if (c >= 'a' && c <= 'f') {
return c - 'a' + 0xA;
}
if (c >= 'A' && c <= 'F') {
return c - 'A' + 0xA;
}
return -1;
}
static int
hex_byte_to_num(const char *str)
{
int hi, lo;
hi = hex_nybble_to_num(str[0]);
if (hi < 0) {
return hi;
}
lo = hex_nybble_to_num(str[1]);
if (lo < 0) {
return lo;
}
return hi * 16 + lo;
}
static int
decode_hex_string_be(const char *str, uint8_t *out, size_t size)
{
size_t i;
/* Decode a string in "ABCDEF012345" format to its binary representation */
for (i = 0; i < size; i++) {
int num = hex_byte_to_num(str);
if (num < 0) {
/* Invalid hex byte or end of string */
return -1;
}
out[i] = (uint8_t)num;
str += 2;
}
if (i != size || *str != '\0') {
/* Length mismatch */
return -1;
}
return 0;
}
static int
decode_ns_nguid(const struct spdk_json_val *val, void *out)
{
char *str = NULL;
int rc;
rc = spdk_json_decode_string(val, &str);
if (rc == 0) {
/* 16-byte NGUID */
rc = decode_hex_string_be(str, out, 16);
}
free(str);
return rc;
}
static int
decode_ns_eui64(const struct spdk_json_val *val, void *out)
{
char *str = NULL;
int rc;
rc = spdk_json_decode_string(val, &str);
if (rc == 0) {
/* 8-byte EUI-64 */
rc = decode_hex_string_be(str, out, 8);
}
free(str);
return rc;
}
static int
decode_ns_uuid(const struct spdk_json_val *val, void *out)
{
char *str = NULL;
int rc;
rc = spdk_json_decode_string(val, &str);
if (rc == 0) {
rc = spdk_uuid_parse(out, str);
}
free(str);
return rc;
}
struct rpc_get_subsystem {
char *tgt_name;
};
static const struct spdk_json_object_decoder rpc_get_subsystem_decoders[] = {
{"tgt_name", offsetof(struct rpc_get_subsystem, tgt_name), spdk_json_decode_string, true},
};
static void
dump_nvmf_subsystem(struct spdk_json_write_ctx *w, struct spdk_nvmf_subsystem *subsystem)
{
struct spdk_nvmf_host *host;
struct spdk_nvmf_subsystem_listener *listener;
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "nqn", spdk_nvmf_subsystem_get_nqn(subsystem));
spdk_json_write_name(w, "subtype");
if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
spdk_json_write_string(w, "NVMe");
} else {
spdk_json_write_string(w, "Discovery");
}
spdk_json_write_named_array_begin(w, "listen_addresses");
for (listener = spdk_nvmf_subsystem_get_first_listener(subsystem); listener != NULL;
listener = spdk_nvmf_subsystem_get_next_listener(subsystem, listener)) {
const struct spdk_nvme_transport_id *trid;
const char *adrfam;
trid = spdk_nvmf_subsystem_listener_get_trid(listener);
spdk_json_write_object_begin(w);
adrfam = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
if (adrfam == NULL) {
adrfam = "unknown";
}
/* NOTE: "transport" is kept for compatibility; new code should use "trtype" */
spdk_json_write_named_string(w, "transport", trid->trstring);
spdk_json_write_named_string(w, "trtype", trid->trstring);
spdk_json_write_named_string(w, "adrfam", adrfam);
spdk_json_write_named_string(w, "traddr", trid->traddr);
spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
spdk_json_write_named_bool(w, "allow_any_host",
spdk_nvmf_subsystem_get_allow_any_host(subsystem));
spdk_json_write_named_array_begin(w, "hosts");
for (host = spdk_nvmf_subsystem_get_first_host(subsystem); host != NULL;
host = spdk_nvmf_subsystem_get_next_host(subsystem, host)) {
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "nqn", spdk_nvmf_host_get_nqn(host));
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
struct spdk_nvmf_ns *ns;
struct spdk_nvmf_ns_opts ns_opts;
uint32_t max_namespaces;
spdk_json_write_named_string(w, "serial_number", spdk_nvmf_subsystem_get_sn(subsystem));
spdk_json_write_named_string(w, "model_number", spdk_nvmf_subsystem_get_mn(subsystem));
max_namespaces = spdk_nvmf_subsystem_get_max_namespaces(subsystem);
if (max_namespaces != 0) {
spdk_json_write_named_uint32(w, "max_namespaces", max_namespaces);
}
spdk_json_write_named_array_begin(w, "namespaces");
for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
spdk_nvmf_ns_get_opts(ns, &ns_opts, sizeof(ns_opts));
spdk_json_write_object_begin(w);
spdk_json_write_named_int32(w, "nsid", spdk_nvmf_ns_get_id(ns));
spdk_json_write_named_string(w, "bdev_name",
spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
/* NOTE: "name" is kept for compatibility only - new code should use bdev_name. */
spdk_json_write_named_string(w, "name",
spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
if (!spdk_mem_all_zero(ns_opts.nguid, sizeof(ns_opts.nguid))) {
spdk_json_write_name(w, "nguid");
json_write_hex_str(w, ns_opts.nguid, sizeof(ns_opts.nguid));
}
if (!spdk_mem_all_zero(ns_opts.eui64, sizeof(ns_opts.eui64))) {
spdk_json_write_name(w, "eui64");
json_write_hex_str(w, ns_opts.eui64, sizeof(ns_opts.eui64));
}
if (!spdk_mem_all_zero(&ns_opts.uuid, sizeof(ns_opts.uuid))) {
char uuid_str[SPDK_UUID_STRING_LEN];
spdk_uuid_fmt_lower(uuid_str, sizeof(uuid_str), &ns_opts.uuid);
spdk_json_write_named_string(w, "uuid", uuid_str);
}
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
}
spdk_json_write_object_end(w);
}
static void
rpc_nvmf_get_subsystems(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_get_subsystem req = { 0 };
struct spdk_json_write_ctx *w;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
if (params) {
if (spdk_json_decode_object(params, rpc_get_subsystem_decoders,
SPDK_COUNTOF(rpc_get_subsystem_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
return;
}
}
tgt = spdk_nvmf_get_tgt(req.tgt_name);
if (!tgt) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
free(req.tgt_name);
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_array_begin(w);
subsystem = spdk_nvmf_subsystem_get_first(tgt);
while (subsystem) {
dump_nvmf_subsystem(w, subsystem);
subsystem = spdk_nvmf_subsystem_get_next(subsystem);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
free(req.tgt_name);
}
SPDK_RPC_REGISTER("nvmf_get_subsystems", rpc_nvmf_get_subsystems, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_get_subsystems, get_nvmf_subsystems)
struct rpc_subsystem_create {
char *nqn;
char *serial_number;
char *model_number;
char *tgt_name;
uint32_t max_namespaces;
bool allow_any_host;
bool ana_reporting;
};
static const struct spdk_json_object_decoder rpc_subsystem_create_decoders[] = {
{"nqn", offsetof(struct rpc_subsystem_create, nqn), spdk_json_decode_string},
{"serial_number", offsetof(struct rpc_subsystem_create, serial_number), spdk_json_decode_string, true},
{"model_number", offsetof(struct rpc_subsystem_create, model_number), spdk_json_decode_string, true},
{"tgt_name", offsetof(struct rpc_subsystem_create, tgt_name), spdk_json_decode_string, true},
{"max_namespaces", offsetof(struct rpc_subsystem_create, max_namespaces), spdk_json_decode_uint32, true},
{"allow_any_host", offsetof(struct rpc_subsystem_create, allow_any_host), spdk_json_decode_bool, true},
{"ana_reporting", offsetof(struct rpc_subsystem_create, ana_reporting), spdk_json_decode_bool, true},
};
static void
rpc_nvmf_subsystem_started(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct spdk_jsonrpc_request *request = cb_arg;
if (!status) {
spdk_jsonrpc_send_bool_response(request, true);
} else {
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Subsystem %s start failed",
subsystem->subnqn);
spdk_nvmf_subsystem_destroy(subsystem);
}
}
static void
rpc_nvmf_create_subsystem(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_subsystem_create *req;
struct spdk_nvmf_subsystem *subsystem = NULL;
struct spdk_nvmf_tgt *tgt;
int rc = -1;
req = calloc(1, sizeof(*req));
if (!req) {
SPDK_ERRLOG("Memory allocation failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Memory allocation failed");
return;
}
if (spdk_json_decode_object(params, rpc_subsystem_create_decoders,
SPDK_COUNTOF(rpc_subsystem_create_decoders),
req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
goto cleanup;
}
tgt = spdk_nvmf_get_tgt(req->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find target %s\n", req->tgt_name);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find target %s", req->tgt_name);
goto cleanup;
}
subsystem = spdk_nvmf_subsystem_create(tgt, req->nqn, SPDK_NVMF_SUBTYPE_NVME,
req->max_namespaces);
if (!subsystem) {
SPDK_ERRLOG("Unable to create subsystem %s\n", req->nqn);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to create subsystem %s", req->nqn);
goto cleanup;
}
if (req->serial_number) {
if (spdk_nvmf_subsystem_set_sn(subsystem, req->serial_number)) {
SPDK_ERRLOG("Subsystem %s: invalid serial number '%s'\n", req->nqn, req->serial_number);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid SN %s", req->serial_number);
goto cleanup;
}
}
if (req->model_number) {
if (spdk_nvmf_subsystem_set_mn(subsystem, req->model_number)) {
SPDK_ERRLOG("Subsystem %s: invalid model number '%s'\n", req->nqn, req->model_number);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid MN %s", req->model_number);
goto cleanup;
}
}
spdk_nvmf_subsystem_set_allow_any_host(subsystem, req->allow_any_host);
spdk_nvmf_subsystem_set_ana_reporting(subsystem, req->ana_reporting);
rc = spdk_nvmf_subsystem_start(subsystem,
rpc_nvmf_subsystem_started,
request);
cleanup:
free(req->nqn);
free(req->tgt_name);
free(req->serial_number);
free(req->model_number);
free(req);
if (rc && subsystem) {
spdk_nvmf_subsystem_destroy(subsystem);
}
}
SPDK_RPC_REGISTER("nvmf_create_subsystem", rpc_nvmf_create_subsystem, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_create_subsystem, nvmf_subsystem_create)
struct rpc_subsystem_set_options {
char *nqn;
char *tgt_name;
char *trtype;
};
static const struct spdk_json_object_decoder rpc_subsystem_set_options_decoders[] = {
{"nqn", offsetof(struct rpc_subsystem_set_options, nqn), spdk_json_decode_string},
{"tgt_name", offsetof(struct rpc_subsystem_set_options, tgt_name), spdk_json_decode_string, true},
{"trtype", offsetof(struct rpc_subsystem_set_options, trtype), spdk_json_decode_string},
};
static void
rpc_nvmf_subsystem_set_options(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_subsystem_set_options *req;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_transport *transport;
struct spdk_nvmf_tgt *tgt;
int rc;
req = calloc(1, sizeof(*req));
if (!req) {
SPDK_ERRLOG("Memory allocation failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Memory allocation failed");
return;
}
if (spdk_json_decode_object_relaxed(params, rpc_subsystem_set_options_decoders,
SPDK_COUNTOF(rpc_subsystem_set_options_decoders), req)) {
SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
goto cleanup;
}
tgt = spdk_nvmf_get_tgt(req->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find target %s\n", req->tgt_name);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find target %s", req->tgt_name);
goto cleanup;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", req->nqn);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Unable to find subsystem with NQN %s", req->nqn);
goto cleanup;
}
transport = spdk_nvmf_tgt_get_transport(tgt, req->trtype);
if (!transport) {
SPDK_ERRLOG("Unable to find transport with trtype %s\n", req->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Unable to find transport with trtype %s", req->trtype);
goto cleanup;
}
if (!transport->ops->subsystem_opts_parse) {
SPDK_ERRLOG("Unable to find transport ops\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Unable to find transport ops");
goto cleanup;
}
rc = transport->ops->subsystem_opts_parse(transport, subsystem, params);
if (rc) {
SPDK_ERRLOG("Unable to parse opts %d\n", rc);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Unable to parse opts %d", rc);
goto cleanup;
}
spdk_jsonrpc_send_bool_response(request, true);
cleanup:
free(req->nqn);
free(req->tgt_name);
free(req->trtype);
free(req);
}
SPDK_RPC_REGISTER("nvmf_subsystem_set_options", rpc_nvmf_subsystem_set_options, SPDK_RPC_RUNTIME)
struct rpc_delete_subsystem {
char *nqn;
char *tgt_name;
};
static void
free_rpc_delete_subsystem(struct rpc_delete_subsystem *r)
{
free(r->nqn);
free(r->tgt_name);
}
static void
rpc_nvmf_subsystem_stopped(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct spdk_jsonrpc_request *request = cb_arg;
nvmf_subsystem_remove_all_listeners(subsystem, true);
spdk_nvmf_subsystem_destroy(subsystem);
spdk_jsonrpc_send_bool_response(request, true);
}
static const struct spdk_json_object_decoder rpc_delete_subsystem_decoders[] = {
{"nqn", offsetof(struct rpc_delete_subsystem, nqn), spdk_json_decode_string},
{"tgt_name", offsetof(struct rpc_delete_subsystem, tgt_name), spdk_json_decode_string, true},
};
static void
rpc_nvmf_delete_subsystem(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_delete_subsystem req = { 0 };
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
if (spdk_json_decode_object(params, rpc_delete_subsystem_decoders,
SPDK_COUNTOF(rpc_delete_subsystem_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
goto invalid;
}
if (req.nqn == NULL) {
SPDK_ERRLOG("missing name param\n");
goto invalid;
}
tgt = spdk_nvmf_get_tgt(req.tgt_name);
if (!tgt) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
goto invalid_custom_response;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req.nqn);
if (!subsystem) {
goto invalid;
}
free_rpc_delete_subsystem(&req);
rc = spdk_nvmf_subsystem_stop(subsystem,
rpc_nvmf_subsystem_stopped,
request);
if (rc == -EBUSY) {
SPDK_ERRLOG("Subsystem currently in another state change try again later.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Subsystem currently in another state change try again later.");
} else if (rc != 0) {
SPDK_ERRLOG("Unable to change state on subsystem. rc=%d\n", rc);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to change state on subsystem. rc=%d", rc);
}
return;
invalid:
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
invalid_custom_response:
free_rpc_delete_subsystem(&req);
}
SPDK_RPC_REGISTER("nvmf_delete_subsystem", rpc_nvmf_delete_subsystem, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_delete_subsystem, delete_nvmf_subsystem)
struct rpc_listen_address {
char *transport;
char *adrfam;
char *traddr;
char *trsvcid;
};
static const struct spdk_json_object_decoder rpc_listen_address_decoders[] = {
/* NOTE: "transport" is kept for compatibility; new code should use "trtype" */
{"transport", offsetof(struct rpc_listen_address, transport), spdk_json_decode_string, true},
{"trtype", offsetof(struct rpc_listen_address, transport), spdk_json_decode_string, true},
{"adrfam", offsetof(struct rpc_listen_address, adrfam), spdk_json_decode_string, true},
{"traddr", offsetof(struct rpc_listen_address, traddr), spdk_json_decode_string},
{"trsvcid", offsetof(struct rpc_listen_address, trsvcid), spdk_json_decode_string},
};
static int
decode_rpc_listen_address(const struct spdk_json_val *val, void *out)
{
struct rpc_listen_address *req = (struct rpc_listen_address *)out;
if (spdk_json_decode_object(val, rpc_listen_address_decoders,
SPDK_COUNTOF(rpc_listen_address_decoders),
req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
return -1;
}
return 0;
}
static void
free_rpc_listen_address(struct rpc_listen_address *r)
{
free(r->transport);
free(r->adrfam);
free(r->traddr);
free(r->trsvcid);
}
enum nvmf_rpc_listen_op {
NVMF_RPC_LISTEN_ADD,
NVMF_RPC_LISTEN_REMOVE,
NVMF_RPC_LISTEN_SET_ANA_STATE,
};
struct nvmf_rpc_listener_ctx {
char *nqn;
char *tgt_name;
struct spdk_nvmf_tgt *tgt;
struct spdk_nvmf_transport *transport;
struct spdk_nvmf_subsystem *subsystem;
struct rpc_listen_address address;
char *ana_state_str;
enum spdk_nvme_ana_state ana_state;
struct spdk_jsonrpc_request *request;
struct spdk_nvme_transport_id trid;
enum nvmf_rpc_listen_op op;
bool response_sent;
};
static const struct spdk_json_object_decoder nvmf_rpc_listener_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
{"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
{"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
nvmf_rpc_listener_ctx_free(struct nvmf_rpc_listener_ctx *ctx)
{
free(ctx->nqn);
free(ctx->tgt_name);
free_rpc_listen_address(&ctx->address);
free(ctx->ana_state_str);
free(ctx);
}
static void
nvmf_rpc_listen_resumed(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_listener_ctx *ctx = cb_arg;
struct spdk_jsonrpc_request *request;
request = ctx->request;
if (ctx->response_sent) {
/* If an error occurred, the response has already been sent. */
nvmf_rpc_listener_ctx_free(ctx);
return;
}
nvmf_rpc_listener_ctx_free(ctx);
spdk_jsonrpc_send_bool_response(request, true);
}
static void
nvmf_rpc_subsystem_listen(void *cb_arg, int status)
{
struct nvmf_rpc_listener_ctx *ctx = cb_arg;
if (status) {
/* Destroy the listener that we just created. Ignore the error code because
* the RPC is failing already anyway. */
spdk_nvmf_tgt_stop_listen(ctx->tgt, &ctx->trid);
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
ctx->response_sent = true;
}
if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
if (!ctx->response_sent) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
/* Can't really do anything to recover here - subsystem will remain paused. */
}
}
static void
nvmf_rpc_stop_listen_async_done(void *cb_arg, int status)
{
struct nvmf_rpc_listener_ctx *ctx = cb_arg;
if (status) {
SPDK_ERRLOG("Unable to stop listener.\n");
spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"error stopping listener: %d", status);
ctx->response_sent = true;
}
if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
if (!ctx->response_sent) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
/* Can't really do anything to recover here - subsystem will remain paused. */
}
}
static void
nvmf_rpc_set_ana_state_done(void *cb_arg, int status)
{
struct nvmf_rpc_listener_ctx *ctx = cb_arg;
if (status) {
SPDK_ERRLOG("Unable to set ANA state.\n");
spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"error setting ANA state: %d", status);
ctx->response_sent = true;
}
if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
if (!ctx->response_sent) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
/* Can't really do anything to recover here - subsystem will remain paused. */
}
}
static void
nvmf_rpc_listen_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_listener_ctx *ctx = cb_arg;
int rc;
if (ctx->op == NVMF_RPC_LISTEN_ADD) {
if (!nvmf_subsystem_find_listener(subsystem, &ctx->trid)) {
rc = spdk_nvmf_tgt_listen(ctx->tgt, &ctx->trid);
if (rc == 0) {
spdk_nvmf_subsystem_add_listener(ctx->subsystem, &ctx->trid, nvmf_rpc_subsystem_listen, ctx);
return;
}
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
ctx->response_sent = true;
}
} else if (ctx->op == NVMF_RPC_LISTEN_REMOVE) {
if (spdk_nvmf_subsystem_remove_listener(subsystem, &ctx->trid)) {
SPDK_ERRLOG("Unable to remove listener.\n");
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
ctx->response_sent = true;
}
spdk_nvmf_transport_stop_listen_async(ctx->transport, &ctx->trid, nvmf_rpc_stop_listen_async_done,
ctx);
return;
} else if (ctx->op == NVMF_RPC_LISTEN_SET_ANA_STATE) {
nvmf_subsystem_set_ana_state(subsystem, &ctx->trid, ctx->ana_state,
nvmf_rpc_set_ana_state_done, ctx);
return;
} else {
SPDK_UNREACHABLE();
}
if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_listen_resumed, ctx)) {
if (!ctx->response_sent) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
/* Can't really do anything to recover here - subsystem will remain paused. */
}
}
static int
rpc_listen_address_to_trid(const struct rpc_listen_address *address,
struct spdk_nvme_transport_id *trid)
{
size_t len;
memset(trid, 0, sizeof(*trid));
if (spdk_nvme_transport_id_populate_trstring(trid, address->transport)) {
SPDK_ERRLOG("Invalid transport string: %s\n", address->transport);
return -EINVAL;
}
if (spdk_nvme_transport_id_parse_trtype(&trid->trtype, address->transport)) {
SPDK_ERRLOG("Invalid transport type: %s\n", address->transport);
return -EINVAL;
}
if (address->adrfam) {
if (spdk_nvme_transport_id_parse_adrfam(&trid->adrfam, address->adrfam)) {
SPDK_ERRLOG("Invalid adrfam: %s\n", address->adrfam);
return -EINVAL;
}
} else {
trid->adrfam = SPDK_NVMF_ADRFAM_IPV4;
}
len = strlen(address->traddr);
if (len > sizeof(trid->traddr) - 1) {
SPDK_ERRLOG("Transport address longer than %zu characters: %s\n",
sizeof(trid->traddr) - 1, address->traddr);
return -EINVAL;
}
memcpy(trid->traddr, address->traddr, len + 1);
len = strlen(address->trsvcid);
if (len > sizeof(trid->trsvcid) - 1) {
SPDK_ERRLOG("Transport service id longer than %zu characters: %s\n",
sizeof(trid->trsvcid) - 1, address->trsvcid);
return -EINVAL;
}
memcpy(trid->trsvcid, address->trsvcid, len + 1);
return 0;
}
static void
rpc_nvmf_subsystem_add_listener(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_listener_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
ctx->request = request;
if (spdk_json_decode_object(params, nvmf_rpc_listener_decoder,
SPDK_COUNTOF(nvmf_rpc_listener_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->tgt = tgt;
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->subsystem = subsystem;
if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->op = NVMF_RPC_LISTEN_ADD;
rc = spdk_nvmf_subsystem_pause(subsystem, nvmf_rpc_listen_paused, ctx);
if (rc != 0) {
if (rc == -EBUSY) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"subsystem busy, retry later.\n");
} else {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_add_listener", rpc_nvmf_subsystem_add_listener,
SPDK_RPC_RUNTIME);
static void
rpc_nvmf_subsystem_remove_listener(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_listener_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
ctx->request = request;
if (spdk_json_decode_object(params, nvmf_rpc_listener_decoder,
SPDK_COUNTOF(nvmf_rpc_listener_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->tgt = tgt;
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->subsystem = subsystem;
if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->transport = spdk_nvmf_tgt_get_transport(tgt, ctx->trid.trstring);
if (!ctx->transport) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->op = NVMF_RPC_LISTEN_REMOVE;
rc = spdk_nvmf_subsystem_pause(subsystem, nvmf_rpc_listen_paused, ctx);
if (rc != 0) {
if (rc == -EBUSY) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"subsystem busy, retry later.\n");
} else {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
}
nvmf_rpc_listener_ctx_free(ctx);
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_remove_listener", rpc_nvmf_subsystem_remove_listener,
SPDK_RPC_RUNTIME);
static const struct spdk_json_object_decoder nvmf_rpc_set_ana_state_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
{"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
{"ana_state", offsetof(struct nvmf_rpc_listener_ctx, ana_state_str), spdk_json_decode_string},
{"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
};
static int
rpc_ana_state_parse(const char *str, enum spdk_nvme_ana_state *ana_state)
{
if (ana_state == NULL || str == NULL) {
return -EINVAL;
}
if (strcasecmp(str, "optimized") == 0) {
*ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
} else if (strcasecmp(str, "non_optimized") == 0) {
*ana_state = SPDK_NVME_ANA_NON_OPTIMIZED_STATE;
} else if (strcasecmp(str, "inaccessible") == 0) {
*ana_state = SPDK_NVME_ANA_INACCESSIBLE_STATE;
} else {
return -ENOENT;
}
return 0;
}
static void
rpc_nvmf_subsystem_listener_set_ana_state(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_listener_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Out of memory");
return;
}
ctx->request = request;
if (spdk_json_decode_object(params, nvmf_rpc_set_ana_state_decoder,
SPDK_COUNTOF(nvmf_rpc_set_ana_state_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.\n");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->tgt = tgt;
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Unable to find subsystem with NQN %s",
ctx->nqn);
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->subsystem = subsystem;
if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
if (rpc_ana_state_parse(ctx->ana_state_str, &ctx->ana_state)) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
nvmf_rpc_listener_ctx_free(ctx);
return;
}
ctx->op = NVMF_RPC_LISTEN_SET_ANA_STATE;
if (spdk_nvmf_subsystem_pause(subsystem, nvmf_rpc_listen_paused, ctx)) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
nvmf_rpc_listener_ctx_free(ctx);
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_listener_set_ana_state",
rpc_nvmf_subsystem_listener_set_ana_state, SPDK_RPC_RUNTIME);
struct spdk_nvmf_ns_params {
char *bdev_name;
char *ptpl_file;
uint32_t nsid;
char nguid[16];
char eui64[8];
struct spdk_uuid uuid;
};
static const struct spdk_json_object_decoder rpc_ns_params_decoders[] = {
{"nsid", offsetof(struct spdk_nvmf_ns_params, nsid), spdk_json_decode_uint32, true},
{"bdev_name", offsetof(struct spdk_nvmf_ns_params, bdev_name), spdk_json_decode_string},
{"ptpl_file", offsetof(struct spdk_nvmf_ns_params, ptpl_file), spdk_json_decode_string, true},
{"nguid", offsetof(struct spdk_nvmf_ns_params, nguid), decode_ns_nguid, true},
{"eui64", offsetof(struct spdk_nvmf_ns_params, eui64), decode_ns_eui64, true},
{"uuid", offsetof(struct spdk_nvmf_ns_params, uuid), decode_ns_uuid, true},
};
static int
decode_rpc_ns_params(const struct spdk_json_val *val, void *out)
{
struct spdk_nvmf_ns_params *ns_params = out;
return spdk_json_decode_object(val, rpc_ns_params_decoders,
SPDK_COUNTOF(rpc_ns_params_decoders),
ns_params);
}
struct nvmf_rpc_ns_ctx {
char *nqn;
char *tgt_name;
struct spdk_nvmf_ns_params ns_params;
struct spdk_jsonrpc_request *request;
bool response_sent;
};
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_ns_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_ns_ctx, nqn), spdk_json_decode_string},
{"namespace", offsetof(struct nvmf_rpc_ns_ctx, ns_params), decode_rpc_ns_params},
{"tgt_name", offsetof(struct nvmf_rpc_ns_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
nvmf_rpc_ns_ctx_free(struct nvmf_rpc_ns_ctx *ctx)
{
free(ctx->nqn);
free(ctx->tgt_name);
free(ctx->ns_params.bdev_name);
free(ctx->ns_params.ptpl_file);
free(ctx);
}
static void
nvmf_rpc_ns_failback_resumed(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_ns_ctx *ctx = cb_arg;
struct spdk_jsonrpc_request *request = ctx->request;
if (status) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to add ns, subsystem in invalid state");
} else {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to add ns, subsystem in active state");
}
nvmf_rpc_ns_ctx_free(ctx);
}
static void
nvmf_rpc_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_ns_ctx *ctx = cb_arg;
struct spdk_jsonrpc_request *request = ctx->request;
uint32_t nsid = ctx->ns_params.nsid;
bool response_sent = ctx->response_sent;
struct spdk_json_write_ctx *w;
int rc;
/* The case where the call to add the namespace was successful, but the subsystem couldn't be resumed. */
if (status && !ctx->response_sent) {
rc = spdk_nvmf_subsystem_remove_ns(subsystem, nsid);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to add ns, subsystem in invalid state");
nvmf_rpc_ns_ctx_free(ctx);
return;
}
rc = spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_failback_resumed, ctx);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_ns_ctx_free(ctx);
return;
}
return;
}
nvmf_rpc_ns_ctx_free(ctx);
if (response_sent) {
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_uint32(w, nsid);
spdk_jsonrpc_end_result(request, w);
}
static void
nvmf_rpc_ns_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_ns_ctx *ctx = cb_arg;
struct spdk_nvmf_ns_opts ns_opts;
spdk_nvmf_ns_opts_get_defaults(&ns_opts, sizeof(ns_opts));
ns_opts.nsid = ctx->ns_params.nsid;
SPDK_STATIC_ASSERT(sizeof(ns_opts.nguid) == sizeof(ctx->ns_params.nguid), "size mismatch");
memcpy(ns_opts.nguid, ctx->ns_params.nguid, sizeof(ns_opts.nguid));
SPDK_STATIC_ASSERT(sizeof(ns_opts.eui64) == sizeof(ctx->ns_params.eui64), "size mismatch");
memcpy(ns_opts.eui64, ctx->ns_params.eui64, sizeof(ns_opts.eui64));
if (!spdk_mem_all_zero(&ctx->ns_params.uuid, sizeof(ctx->ns_params.uuid))) {
ns_opts.uuid = ctx->ns_params.uuid;
}
ctx->ns_params.nsid = spdk_nvmf_subsystem_add_ns_ext(subsystem, ctx->ns_params.bdev_name,
&ns_opts, sizeof(ns_opts),
ctx->ns_params.ptpl_file);
if (ctx->ns_params.nsid == 0) {
SPDK_ERRLOG("Unable to add namespace\n");
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
ctx->response_sent = true;
goto resume;
}
resume:
if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_resumed, ctx)) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_ns_ctx_free(ctx);
}
}
static void
rpc_nvmf_subsystem_add_ns(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_ns_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_ns_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_ns_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_ns_ctx_free(ctx);
return;
}
ctx->request = request;
ctx->response_sent = false;
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_ns_ctx_free(ctx);
return;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_ns_ctx_free(ctx);
return;
}
rc = spdk_nvmf_subsystem_pause(subsystem, nvmf_rpc_ns_paused, ctx);
if (rc != 0) {
if (rc == -EBUSY) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"subsystem busy, retry later.\n");
} else {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
}
nvmf_rpc_ns_ctx_free(ctx);
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_add_ns", rpc_nvmf_subsystem_add_ns, SPDK_RPC_RUNTIME)
struct nvmf_rpc_remove_ns_ctx {
char *nqn;
char *tgt_name;
uint32_t nsid;
struct spdk_jsonrpc_request *request;
bool response_sent;
};
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_remove_ns_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_remove_ns_ctx, nqn), spdk_json_decode_string},
{"nsid", offsetof(struct nvmf_rpc_remove_ns_ctx, nsid), spdk_json_decode_uint32},
{"tgt_name", offsetof(struct nvmf_rpc_remove_ns_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
nvmf_rpc_remove_ns_ctx_free(struct nvmf_rpc_remove_ns_ctx *ctx)
{
free(ctx->nqn);
free(ctx->tgt_name);
free(ctx);
}
static void
nvmf_rpc_remove_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
struct spdk_jsonrpc_request *request = ctx->request;
bool response_sent = ctx->response_sent;
nvmf_rpc_remove_ns_ctx_free(ctx);
if (response_sent) {
return;
}
spdk_jsonrpc_send_bool_response(request, true);
}
static void
nvmf_rpc_remove_ns_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
int ret;
ret = spdk_nvmf_subsystem_remove_ns(subsystem, ctx->nsid);
if (ret < 0) {
SPDK_ERRLOG("Unable to remove namespace ID %u\n", ctx->nsid);
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
ctx->response_sent = true;
}
if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_remove_ns_resumed, ctx)) {
if (!ctx->response_sent) {
spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
}
nvmf_rpc_remove_ns_ctx_free(ctx);
}
}
static void
rpc_nvmf_subsystem_remove_ns(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_remove_ns_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_remove_ns_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_remove_ns_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_remove_ns_ctx_free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_remove_ns_ctx_free(ctx);
return;
}
ctx->request = request;
ctx->response_sent = false;
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_remove_ns_ctx_free(ctx);
return;
}
rc = spdk_nvmf_subsystem_pause(subsystem, nvmf_rpc_remove_ns_paused, ctx);
if (rc != 0) {
if (rc == -EBUSY) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"subsystem busy, retry later.\n");
} else {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
}
nvmf_rpc_remove_ns_ctx_free(ctx);
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_remove_ns", rpc_nvmf_subsystem_remove_ns, SPDK_RPC_RUNTIME)
struct nvmf_rpc_host_ctx {
struct spdk_jsonrpc_request *request;
char *nqn;
char *host;
char *tgt_name;
bool allow_any_host;
};
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_host_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
{"host", offsetof(struct nvmf_rpc_host_ctx, host), spdk_json_decode_string},
{"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
nvmf_rpc_host_ctx_free(struct nvmf_rpc_host_ctx *ctx)
{
free(ctx->nqn);
free(ctx->host);
free(ctx->tgt_name);
}
static void
rpc_nvmf_subsystem_add_host(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_host_ctx ctx = {};
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
&ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
rc = spdk_nvmf_subsystem_add_host(subsystem, ctx.host);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
spdk_jsonrpc_send_bool_response(request, true);
nvmf_rpc_host_ctx_free(&ctx);
}
SPDK_RPC_REGISTER("nvmf_subsystem_add_host", rpc_nvmf_subsystem_add_host, SPDK_RPC_RUNTIME)
static void
rpc_nvmf_subsystem_remove_host_done(void *_ctx, int status)
{
struct nvmf_rpc_host_ctx *ctx = _ctx;
spdk_jsonrpc_send_bool_response(ctx->request, true);
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
}
static void
rpc_nvmf_subsystem_remove_host(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_host_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
ctx = calloc(1, sizeof(*ctx));
if (ctx == NULL) {
SPDK_ERRLOG("Unable to allocate context to perform RPC\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
ctx->request = request;
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
return;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
return;
}
rc = spdk_nvmf_subsystem_remove_host(subsystem, ctx->host);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
return;
}
rc = spdk_nvmf_subsystem_disconnect_host(subsystem, ctx->host,
rpc_nvmf_subsystem_remove_host_done,
ctx);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_host_ctx_free(ctx);
free(ctx);
return;
}
}
SPDK_RPC_REGISTER("nvmf_subsystem_remove_host", rpc_nvmf_subsystem_remove_host,
SPDK_RPC_RUNTIME)
static const struct spdk_json_object_decoder nvmf_rpc_subsystem_any_host_decoder[] = {
{"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
{"allow_any_host", offsetof(struct nvmf_rpc_host_ctx, allow_any_host), spdk_json_decode_bool},
{"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
rpc_nvmf_subsystem_allow_any_host(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_host_ctx ctx = {};
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
int rc;
if (spdk_json_decode_object(params, nvmf_rpc_subsystem_any_host_decoder,
SPDK_COUNTOF(nvmf_rpc_subsystem_any_host_decoder),
&ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
rc = spdk_nvmf_subsystem_set_allow_any_host(subsystem, ctx.allow_any_host);
if (rc != 0) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
nvmf_rpc_host_ctx_free(&ctx);
return;
}
spdk_jsonrpc_send_bool_response(request, true);
nvmf_rpc_host_ctx_free(&ctx);
}
SPDK_RPC_REGISTER("nvmf_subsystem_allow_any_host", rpc_nvmf_subsystem_allow_any_host,
SPDK_RPC_RUNTIME)
struct nvmf_rpc_target_ctx {
char *name;
uint32_t max_subsystems;
};
static const struct spdk_json_object_decoder nvmf_rpc_create_target_decoder[] = {
{"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
{"max_subsystems", offsetof(struct nvmf_rpc_target_ctx, max_subsystems), spdk_json_decode_uint32, true},
};
static void
rpc_nvmf_create_target(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_nvmf_target_opts opts;
struct nvmf_rpc_target_ctx ctx = {0};
struct spdk_nvmf_tgt *tgt;
struct spdk_json_write_ctx *w;
/* Decode parameters the first time to get the transport type */
if (spdk_json_decode_object(params, nvmf_rpc_create_target_decoder,
SPDK_COUNTOF(nvmf_rpc_create_target_decoder),
&ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free(ctx.name);
return;
}
snprintf(opts.name, NVMF_TGT_NAME_MAX_LENGTH, "%s", ctx.name);
opts.max_subsystems = ctx.max_subsystems;
if (spdk_nvmf_get_tgt(opts.name) != NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Target already exists.");
free(ctx.name);
return;
}
tgt = spdk_nvmf_tgt_create(&opts);
if (tgt == NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to create the requested target.");
free(ctx.name);
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_string(w, spdk_nvmf_tgt_get_name(tgt));
spdk_jsonrpc_end_result(request, w);
free(ctx.name);
}
SPDK_RPC_REGISTER("nvmf_create_target", rpc_nvmf_create_target, SPDK_RPC_RUNTIME);
static const struct spdk_json_object_decoder nvmf_rpc_destroy_target_decoder[] = {
{"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
};
static void
nvmf_rpc_destroy_target_done(void *ctx, int status)
{
struct spdk_jsonrpc_request *request = ctx;
spdk_jsonrpc_send_bool_response(request, true);
}
static void
rpc_nvmf_delete_target(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_target_ctx ctx = {0};
struct spdk_nvmf_tgt *tgt;
/* Decode parameters the first time to get the transport type */
if (spdk_json_decode_object(params, nvmf_rpc_destroy_target_decoder,
SPDK_COUNTOF(nvmf_rpc_destroy_target_decoder),
&ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free(ctx.name);
return;
}
tgt = spdk_nvmf_get_tgt(ctx.name);
if (tgt == NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"The specified target doesn't exist, cannot delete it.");
free(ctx.name);
return;
}
spdk_nvmf_tgt_destroy(tgt, nvmf_rpc_destroy_target_done, request);
free(ctx.name);
}
SPDK_RPC_REGISTER("nvmf_delete_target", rpc_nvmf_delete_target, SPDK_RPC_RUNTIME);
static void
rpc_nvmf_get_targets(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct spdk_json_write_ctx *w;
struct spdk_nvmf_tgt *tgt;
const char *name;
if (params != NULL) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"nvmf_get_targets has no parameters.");
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_array_begin(w);
tgt = spdk_nvmf_get_first_tgt();
while (tgt != NULL) {
name = spdk_nvmf_tgt_get_name(tgt);
spdk_json_write_string(w, name);
tgt = spdk_nvmf_get_next_tgt(tgt);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
}
SPDK_RPC_REGISTER("nvmf_get_targets", rpc_nvmf_get_targets, SPDK_RPC_RUNTIME);
struct nvmf_rpc_create_transport_ctx {
char *trtype;
char *tgt_name;
struct spdk_nvmf_transport_opts opts;
struct spdk_jsonrpc_request *request;
};
/**
* `max_qpairs_per_ctrlr` represents both admin and IO qpairs, that confuses
* users when they configure a transport using RPC. So it was decided to
* deprecate `max_qpairs_per_ctrlr` RPC parameter and use `max_io_qpairs_per_ctrlr`
* But internal logic remains unchanged and SPDK expects that
* spdk_nvmf_transport_opts::max_qpairs_per_ctrlr includes an admin qpair.
* This function parses the number of IO qpairs and adds +1 for admin qpair.
*/
static int
nvmf_rpc_decode_max_io_qpairs(const struct spdk_json_val *val, void *out)
{
uint16_t *i = out;
int rc;
rc = spdk_json_number_to_uint16(val, i);
if (rc == 0) {
(*i)++;
}
return rc;
}
/**
* This function parses deprecated `max_qpairs_per_ctrlr` and warns the user to use
* the new parameter `max_io_qpairs_per_ctrlr`
*/
static int
nvmf_rpc_decode_max_qpairs(const struct spdk_json_val *val, void *out)
{
uint16_t *i = out;
int rc;
rc = spdk_json_number_to_uint16(val, i);
if (rc == 0) {
SPDK_WARNLOG("Parameter max_qpairs_per_ctrlr is deprecated, use max_io_qpairs_per_ctrlr instead.\n");
}
return rc;
}
static const struct spdk_json_object_decoder nvmf_rpc_create_transport_decoder[] = {
{ "trtype", offsetof(struct nvmf_rpc_create_transport_ctx, trtype), spdk_json_decode_string},
{
"max_queue_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_queue_depth),
spdk_json_decode_uint16, true
},
{
"max_qpairs_per_ctrlr", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_qpairs_per_ctrlr),
nvmf_rpc_decode_max_qpairs, true
},
{
"max_io_qpairs_per_ctrlr", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_qpairs_per_ctrlr),
nvmf_rpc_decode_max_io_qpairs, true
},
{
"in_capsule_data_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.in_capsule_data_size),
spdk_json_decode_uint32, true
},
{
"max_io_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_io_size),
spdk_json_decode_uint32, true
},
{
"io_unit_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.io_unit_size),
spdk_json_decode_uint32, true
},
{
"max_aq_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_aq_depth),
spdk_json_decode_uint32, true
},
{
"num_shared_buffers", offsetof(struct nvmf_rpc_create_transport_ctx, opts.num_shared_buffers),
spdk_json_decode_uint32, true
},
{
"buf_cache_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.buf_cache_size),
spdk_json_decode_uint32, true
},
{
"dif_insert_or_strip", offsetof(struct nvmf_rpc_create_transport_ctx, opts.dif_insert_or_strip),
spdk_json_decode_bool, true
},
{
"abort_timeout_sec", offsetof(struct nvmf_rpc_create_transport_ctx, opts.abort_timeout_sec),
spdk_json_decode_uint32, true
},
{
"tgt_name", offsetof(struct nvmf_rpc_create_transport_ctx, tgt_name),
spdk_json_decode_string, true
},
};
static void
nvmf_rpc_create_transport_ctx_free(struct nvmf_rpc_create_transport_ctx *ctx)
{
free(ctx->trtype);
free(ctx->tgt_name);
free(ctx);
}
static void
nvmf_rpc_tgt_add_transport_done(void *cb_arg, int status)
{
struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
struct spdk_jsonrpc_request *request;
request = ctx->request;
nvmf_rpc_create_transport_ctx_free(ctx);
if (status) {
SPDK_ERRLOG("Failed to add transport to tgt.(%d)\n", status);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Failed to add transport to tgt.(%d)",
status);
return;
}
spdk_jsonrpc_send_bool_response(request, true);
}
static void
rpc_nvmf_create_transport(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct nvmf_rpc_create_transport_ctx *ctx;
enum spdk_nvme_transport_type trtype;
struct spdk_nvmf_transport *transport;
struct spdk_nvmf_tgt *tgt;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
return;
}
/* Decode parameters the first time to get the transport type */
if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
if (spdk_nvme_transport_id_parse_trtype(&trtype, ctx->trtype)) {
SPDK_ERRLOG("Invalid transport type '%s'\n", ctx->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid transport type '%s'", ctx->trtype);
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
/* Initialize all the transport options (based on transport type) and decode the
* parameters again to update any options passed in rpc create transport call.
*/
if (!spdk_nvmf_transport_opts_init(ctx->trtype, &ctx->opts, sizeof(ctx->opts))) {
/* This can happen if user specifies PCIE transport type which isn't valid for
* NVMe-oF.
*/
SPDK_ERRLOG("Invalid transport type '%s'\n", ctx->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid transport type '%s'", ctx->trtype);
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
if (spdk_nvmf_tgt_get_transport(tgt, ctx->trtype)) {
SPDK_ERRLOG("Transport type '%s' already exists\n", ctx->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Transport type '%s' already exists", ctx->trtype);
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
/* Transport can parse additional params themselves */
ctx->opts.transport_specific = params;
transport = spdk_nvmf_transport_create(ctx->trtype, &ctx->opts);
if (!transport) {
SPDK_ERRLOG("Transport type '%s' create failed\n", ctx->trtype);
spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Transport type '%s' create failed", ctx->trtype);
nvmf_rpc_create_transport_ctx_free(ctx);
return;
}
/* add transport to target */
ctx->request = request;
spdk_nvmf_tgt_add_transport(tgt, transport, nvmf_rpc_tgt_add_transport_done, ctx);
}
SPDK_RPC_REGISTER("nvmf_create_transport", rpc_nvmf_create_transport, SPDK_RPC_RUNTIME)
static void
dump_nvmf_transport(struct spdk_json_write_ctx *w, struct spdk_nvmf_transport *transport)
{
const struct spdk_nvmf_transport_opts *opts = spdk_nvmf_get_transport_opts(transport);
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "trtype", spdk_nvmf_get_transport_name(transport));
spdk_json_write_named_uint32(w, "max_queue_depth", opts->max_queue_depth);
spdk_json_write_named_uint32(w, "max_io_qpairs_per_ctrlr", opts->max_qpairs_per_ctrlr - 1);
spdk_json_write_named_uint32(w, "in_capsule_data_size", opts->in_capsule_data_size);
spdk_json_write_named_uint32(w, "max_io_size", opts->max_io_size);
spdk_json_write_named_uint32(w, "io_unit_size", opts->io_unit_size);
spdk_json_write_named_uint32(w, "max_aq_depth", opts->max_aq_depth);
spdk_json_write_named_uint32(w, "num_shared_buffers", opts->num_shared_buffers);
spdk_json_write_named_uint32(w, "buf_cache_size", opts->buf_cache_size);
spdk_json_write_named_bool(w, "dif_insert_or_strip", opts->dif_insert_or_strip);
if (transport->ops->dump_opts) {
transport->ops->dump_opts(transport, w);
}
spdk_json_write_named_uint32(w, "abort_timeout_sec", opts->abort_timeout_sec);
spdk_json_write_object_end(w);
}
struct rpc_get_transport {
char *tgt_name;
};
static const struct spdk_json_object_decoder rpc_get_transport_decoders[] = {
{"tgt_name", offsetof(struct rpc_get_transport, tgt_name), spdk_json_decode_string, true},
};
static void
rpc_nvmf_get_transports(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_get_transport req = { 0 };
struct spdk_json_write_ctx *w;
struct spdk_nvmf_transport *transport;
struct spdk_nvmf_tgt *tgt;
if (params) {
if (spdk_json_decode_object(params, rpc_get_transport_decoders,
SPDK_COUNTOF(rpc_get_transport_decoders),
&req)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
return;
}
}
tgt = spdk_nvmf_get_tgt(req.tgt_name);
if (!tgt) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
free(req.tgt_name);
return;
}
w = spdk_jsonrpc_begin_result(request);
spdk_json_write_array_begin(w);
transport = spdk_nvmf_transport_get_first(tgt);
while (transport) {
dump_nvmf_transport(w, transport);
transport = spdk_nvmf_transport_get_next(transport);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(request, w);
free(req.tgt_name);
}
SPDK_RPC_REGISTER("nvmf_get_transports", rpc_nvmf_get_transports, SPDK_RPC_RUNTIME)
SPDK_RPC_REGISTER_ALIAS_DEPRECATED(nvmf_get_transports, get_nvmf_transports)
struct rpc_nvmf_get_stats_ctx {
char *tgt_name;
struct spdk_nvmf_tgt *tgt;
struct spdk_jsonrpc_request *request;
struct spdk_json_write_ctx *w;
};
static const struct spdk_json_object_decoder rpc_get_stats_decoders[] = {
{"tgt_name", offsetof(struct rpc_nvmf_get_stats_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
free_get_stats_ctx(struct rpc_nvmf_get_stats_ctx *ctx)
{
free(ctx->tgt_name);
free(ctx);
}
static void
rpc_nvmf_get_stats_done(struct spdk_io_channel_iter *i, int status)
{
struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
spdk_json_write_array_end(ctx->w);
spdk_json_write_object_end(ctx->w);
spdk_jsonrpc_end_result(ctx->request, ctx->w);
free_get_stats_ctx(ctx);
}
static void
write_nvmf_transport_stats(struct spdk_json_write_ctx *w,
struct spdk_nvmf_transport_poll_group_stat *stat)
{
uint64_t i;
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "trtype",
spdk_nvme_transport_id_trtype_str(stat->trtype));
switch (stat->trtype) {
case SPDK_NVME_TRANSPORT_RDMA:
spdk_json_write_named_uint64(w, "pending_data_buffer", stat->rdma.pending_data_buffer);
spdk_json_write_named_array_begin(w, "devices");
for (i = 0; i < stat->rdma.num_devices; ++i) {
spdk_json_write_object_begin(w);
spdk_json_write_named_string(w, "name", stat->rdma.devices[i].name);
spdk_json_write_named_uint64(w, "polls", stat->rdma.devices[i].polls);
spdk_json_write_named_uint64(w, "completions", stat->rdma.devices[i].completions);
spdk_json_write_named_uint64(w, "requests",
stat->rdma.devices[i].requests);
spdk_json_write_named_uint64(w, "request_latency",
stat->rdma.devices[i].request_latency);
spdk_json_write_named_uint64(w, "pending_free_request",
stat->rdma.devices[i].pending_free_request);
spdk_json_write_named_uint64(w, "pending_rdma_read",
stat->rdma.devices[i].pending_rdma_read);
spdk_json_write_named_uint64(w, "pending_rdma_write",
stat->rdma.devices[i].pending_rdma_write);
spdk_json_write_object_end(w);
}
spdk_json_write_array_end(w);
break;
default:
break;
}
spdk_json_write_object_end(w);
}
static void
_rpc_nvmf_get_stats(struct spdk_io_channel_iter *i)
{
struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
struct spdk_nvmf_transport *transport;
struct spdk_nvmf_poll_group_stat stat;
struct spdk_nvmf_transport_poll_group_stat *trstat;
int rc;
if (0 == spdk_nvmf_poll_group_get_stat(ctx->tgt, &stat)) {
spdk_json_write_object_begin(ctx->w);
spdk_json_write_named_string(ctx->w, "name", spdk_thread_get_name(spdk_get_thread()));
spdk_json_write_named_uint32(ctx->w, "admin_qpairs", stat.admin_qpairs);
spdk_json_write_named_uint32(ctx->w, "io_qpairs", stat.io_qpairs);
spdk_json_write_named_uint64(ctx->w, "pending_bdev_io", stat.pending_bdev_io);
spdk_json_write_named_array_begin(ctx->w, "transports");
transport = spdk_nvmf_transport_get_first(ctx->tgt);
while (transport) {
rc = spdk_nvmf_transport_poll_group_get_stat(ctx->tgt, transport, &trstat);
if (0 == rc) {
write_nvmf_transport_stats(ctx->w, trstat);
spdk_nvmf_transport_poll_group_free_stat(transport, trstat);
} else if (-ENOTSUP != rc) {
SPDK_ERRLOG("Failed to get poll group statistics for transport %s, errno %d\n",
spdk_nvme_transport_id_trtype_str(spdk_nvmf_get_transport_type(transport)),
rc);
}
transport = spdk_nvmf_transport_get_next(transport);
}
spdk_json_write_array_end(ctx->w);
spdk_json_write_object_end(ctx->w);
}
spdk_for_each_channel_continue(i, 0);
}
static void
rpc_nvmf_get_stats(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
struct rpc_nvmf_get_stats_ctx *ctx;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Memory allocation error");
return;
}
ctx->request = request;
if (params) {
if (spdk_json_decode_object(params, rpc_get_stats_decoders,
SPDK_COUNTOF(rpc_get_stats_decoders),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
free_get_stats_ctx(ctx);
return;
}
}
ctx->tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!ctx->tgt) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target.");
free_get_stats_ctx(ctx);
return;
}
ctx->w = spdk_jsonrpc_begin_result(ctx->request);
spdk_json_write_object_begin(ctx->w);
spdk_json_write_named_uint64(ctx->w, "tick_rate", spdk_get_ticks_hz());
spdk_json_write_named_array_begin(ctx->w, "poll_groups");
spdk_for_each_channel(ctx->tgt,
_rpc_nvmf_get_stats,
ctx,
rpc_nvmf_get_stats_done);
}
SPDK_RPC_REGISTER("nvmf_get_stats", rpc_nvmf_get_stats, SPDK_RPC_RUNTIME)
static void
dump_nvmf_ctrlr(struct spdk_json_write_ctx *w, struct spdk_nvmf_ctrlr *ctrlr)
{
char uuid_str[SPDK_UUID_STRING_LEN] = {};
uint32_t count;
spdk_json_write_object_begin(w);
spdk_json_write_named_uint32(w, "cntlid", ctrlr->cntlid);
spdk_json_write_named_string(w, "hostnqn", ctrlr->hostnqn);
spdk_uuid_fmt_lower(uuid_str, sizeof(uuid_str), &ctrlr->hostid);
spdk_json_write_named_string(w, "hostid", uuid_str);
count = spdk_bit_array_count_set(ctrlr->qpair_mask);
spdk_json_write_named_uint32(w, "num_io_qpairs", count);
spdk_json_write_object_end(w);
}
static const char *
nvmf_qpair_state_str(enum spdk_nvmf_qpair_state state)
{
switch (state) {
case SPDK_NVMF_QPAIR_UNINITIALIZED:
return "uninitialized";
case SPDK_NVMF_QPAIR_ACTIVE:
return "active";
case SPDK_NVMF_QPAIR_DEACTIVATING:
return "deactivating";
case SPDK_NVMF_QPAIR_ERROR:
return "error";
default:
return NULL;
}
}
static void
dump_nvmf_qpair(struct spdk_json_write_ctx *w, struct spdk_nvmf_qpair *qpair)
{
struct spdk_nvme_transport_id listen_trid = {};
const char *adrfam;
spdk_json_write_object_begin(w);
spdk_json_write_named_uint32(w, "cntlid", qpair->ctrlr->cntlid);
spdk_json_write_named_uint32(w, "qid", qpair->qid);
spdk_json_write_named_string(w, "state", nvmf_qpair_state_str(qpair->state));
if (spdk_nvmf_qpair_get_listen_trid(qpair, &listen_trid) == 0) {
spdk_json_write_named_object_begin(w, "listen_address");
adrfam = spdk_nvme_transport_id_adrfam_str(listen_trid.adrfam);
if (adrfam == NULL) {
adrfam = "unknown";
}
spdk_json_write_named_string(w, "trtype", listen_trid.trstring);
spdk_json_write_named_string(w, "adrfam", adrfam);
spdk_json_write_named_string(w, "traddr", listen_trid.traddr);
spdk_json_write_named_string(w, "trsvcid", listen_trid.trsvcid);
spdk_json_write_object_end(w);
}
spdk_json_write_object_end(w);
}
static const char *
nvme_ana_state_str(enum spdk_nvme_ana_state ana_state)
{
switch (ana_state) {
case SPDK_NVME_ANA_OPTIMIZED_STATE:
return "optimized";
case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
return "non_optimized";
case SPDK_NVME_ANA_INACCESSIBLE_STATE:
return "inaccessible";
case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
return "persistent_loss";
case SPDK_NVME_ANA_CHANGE_STATE:
return "change";
default:
return NULL;
}
}
static void
dump_nvmf_subsystem_listener(struct spdk_json_write_ctx *w,
struct spdk_nvmf_subsystem_listener *listener)
{
const struct spdk_nvme_transport_id *trid = listener->trid;
const char *adrfam;
spdk_json_write_object_begin(w);
spdk_json_write_named_object_begin(w, "address");
adrfam = spdk_nvme_transport_id_adrfam_str(trid->adrfam);
if (adrfam == NULL) {
adrfam = "unknown";
}
spdk_json_write_named_string(w, "trtype", trid->trstring);
spdk_json_write_named_string(w, "adrfam", adrfam);
spdk_json_write_named_string(w, "traddr", trid->traddr);
spdk_json_write_named_string(w, "trsvcid", trid->trsvcid);
spdk_json_write_object_end(w);
spdk_json_write_named_string(w, "ana_state",
nvme_ana_state_str(listener->ana_state));
spdk_json_write_object_end(w);
}
struct rpc_subsystem_query_ctx {
char *nqn;
char *tgt_name;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_jsonrpc_request *request;
struct spdk_json_write_ctx *w;
};
static const struct spdk_json_object_decoder rpc_subsystem_query_decoders[] = {
{"nqn", offsetof(struct rpc_subsystem_query_ctx, nqn), spdk_json_decode_string},
{"tgt_name", offsetof(struct rpc_subsystem_query_ctx, tgt_name), spdk_json_decode_string, true},
};
static void
free_rpc_subsystem_query_ctx(struct rpc_subsystem_query_ctx *ctx)
{
free(ctx->nqn);
free(ctx->tgt_name);
free(ctx);
}
static void
rpc_nvmf_get_controllers_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct rpc_subsystem_query_ctx *ctx = cb_arg;
struct spdk_json_write_ctx *w;
struct spdk_nvmf_ctrlr *ctrlr;
w = spdk_jsonrpc_begin_result(ctx->request);
spdk_json_write_array_begin(w);
TAILQ_FOREACH(ctrlr, &ctx->subsystem->ctrlrs, link) {
dump_nvmf_ctrlr(w, ctrlr);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(ctx->request, w);
if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
/* FIXME: RPC should fail if resuming the subsystem failed. */
}
free_rpc_subsystem_query_ctx(ctx);
}
static void
rpc_nvmf_get_qpairs_done(struct spdk_io_channel_iter *i, int status)
{
struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
spdk_json_write_array_end(ctx->w);
spdk_jsonrpc_end_result(ctx->request, ctx->w);
if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
/* FIXME: RPC should fail if resuming the subsystem failed. */
}
free_rpc_subsystem_query_ctx(ctx);
}
static void
rpc_nvmf_get_qpairs(struct spdk_io_channel_iter *i)
{
struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
struct spdk_io_channel *ch;
struct spdk_nvmf_poll_group *group;
struct spdk_nvmf_qpair *qpair;
ch = spdk_get_io_channel(ctx->subsystem->tgt);
group = spdk_io_channel_get_ctx(ch);
TAILQ_FOREACH(qpair, &group->qpairs, link) {
if (qpair->ctrlr->subsys == ctx->subsystem) {
dump_nvmf_qpair(ctx->w, qpair);
}
}
spdk_for_each_channel_continue(i, 0);
}
static void
rpc_nvmf_get_qpairs_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct rpc_subsystem_query_ctx *ctx = cb_arg;
ctx->w = spdk_jsonrpc_begin_result(ctx->request);
spdk_json_write_array_begin(ctx->w);
spdk_for_each_channel(ctx->subsystem->tgt,
rpc_nvmf_get_qpairs,
ctx,
rpc_nvmf_get_qpairs_done);
}
static void
rpc_nvmf_get_listeners_paused(struct spdk_nvmf_subsystem *subsystem,
void *cb_arg, int status)
{
struct rpc_subsystem_query_ctx *ctx = cb_arg;
struct spdk_json_write_ctx *w;
struct spdk_nvmf_subsystem_listener *listener;
w = spdk_jsonrpc_begin_result(ctx->request);
spdk_json_write_array_begin(w);
for (listener = spdk_nvmf_subsystem_get_first_listener(ctx->subsystem);
listener != NULL;
listener = spdk_nvmf_subsystem_get_next_listener(ctx->subsystem, listener)) {
dump_nvmf_subsystem_listener(w, listener);
}
spdk_json_write_array_end(w);
spdk_jsonrpc_end_result(ctx->request, w);
if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
/* FIXME: RPC should fail if resuming the subsystem failed. */
}
free_rpc_subsystem_query_ctx(ctx);
}
static void
_rpc_nvmf_subsystem_query(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params,
spdk_nvmf_subsystem_state_change_done cb_fn)
{
struct rpc_subsystem_query_ctx *ctx;
struct spdk_nvmf_subsystem *subsystem;
struct spdk_nvmf_tgt *tgt;
ctx = calloc(1, sizeof(*ctx));
if (!ctx) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Out of memory");
return;
}
ctx->request = request;
if (spdk_json_decode_object(params, rpc_subsystem_query_decoders,
SPDK_COUNTOF(rpc_subsystem_query_decoders),
ctx)) {
SPDK_ERRLOG("spdk_json_decode_object failed\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
free_rpc_subsystem_query_ctx(ctx);
return;
}
tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
if (!tgt) {
SPDK_ERRLOG("Unable to find a target object.\n");
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Unable to find a target");
free_rpc_subsystem_query_ctx(ctx);
return;
}
subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
if (!subsystem) {
SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
"Invalid parameters");
free_rpc_subsystem_query_ctx(ctx);
return;
}
ctx->subsystem = subsystem;
if (spdk_nvmf_subsystem_pause(subsystem, cb_fn, ctx)) {
spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
"Internal error");
free_rpc_subsystem_query_ctx(ctx);
return;
}
}
static void
rpc_nvmf_subsystem_get_controllers(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
_rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_controllers_paused);
}
SPDK_RPC_REGISTER("nvmf_subsystem_get_controllers", rpc_nvmf_subsystem_get_controllers,
SPDK_RPC_RUNTIME);
static void
rpc_nvmf_subsystem_get_qpairs(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
_rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_qpairs_paused);
}
SPDK_RPC_REGISTER("nvmf_subsystem_get_qpairs", rpc_nvmf_subsystem_get_qpairs, SPDK_RPC_RUNTIME);
static void
rpc_nvmf_subsystem_get_listeners(struct spdk_jsonrpc_request *request,
const struct spdk_json_val *params)
{
_rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_listeners_paused);
}
SPDK_RPC_REGISTER("nvmf_subsystem_get_listeners", rpc_nvmf_subsystem_get_listeners,
SPDK_RPC_RUNTIME);
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