Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2016 Intel Corporation. All rights reserved.
3 : * Copyright (c) 2018-2021 Mellanox Technologies LTD. All rights reserved.
4 : * Copyright (c) 2021 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 : */
6 :
7 : #include "spdk/bdev.h"
8 : #include "spdk/log.h"
9 : #include "spdk/rpc.h"
10 : #include "spdk/env.h"
11 : #include "spdk/nvme.h"
12 : #include "spdk/nvmf.h"
13 : #include "spdk/string.h"
14 : #include "spdk/util.h"
15 : #include "spdk/bit_array.h"
16 : #include "spdk/config.h"
17 :
18 : #include "spdk_internal/assert.h"
19 :
20 : #include "nvmf_internal.h"
21 :
22 : static int rpc_ana_state_parse(const char *str, enum spdk_nvme_ana_state *ana_state);
23 :
24 : static int
25 0 : json_write_hex_str(struct spdk_json_write_ctx *w, const void *data, size_t size)
26 : {
27 : static const char hex_char[16] = "0123456789ABCDEF";
28 0 : const uint8_t *buf = data;
29 : char *str, *out;
30 : int rc;
31 :
32 0 : str = malloc(size * 2 + 1);
33 0 : if (str == NULL) {
34 0 : return -1;
35 : }
36 :
37 0 : out = str;
38 0 : while (size--) {
39 0 : unsigned byte = *buf++;
40 :
41 0 : out[0] = hex_char[(byte >> 4) & 0xF];
42 0 : out[1] = hex_char[byte & 0xF];
43 :
44 0 : out += 2;
45 : }
46 0 : *out = '\0';
47 :
48 0 : rc = spdk_json_write_string(w, str);
49 0 : free(str);
50 :
51 0 : return rc;
52 : }
53 :
54 : static int
55 0 : hex_nybble_to_num(char c)
56 : {
57 0 : if (c >= '0' && c <= '9') {
58 0 : return c - '0';
59 : }
60 :
61 0 : if (c >= 'a' && c <= 'f') {
62 0 : return c - 'a' + 0xA;
63 : }
64 :
65 0 : if (c >= 'A' && c <= 'F') {
66 0 : return c - 'A' + 0xA;
67 : }
68 :
69 0 : return -1;
70 : }
71 :
72 : static int
73 0 : hex_byte_to_num(const char *str)
74 : {
75 : int hi, lo;
76 :
77 0 : hi = hex_nybble_to_num(str[0]);
78 0 : if (hi < 0) {
79 0 : return hi;
80 : }
81 :
82 0 : lo = hex_nybble_to_num(str[1]);
83 0 : if (lo < 0) {
84 0 : return lo;
85 : }
86 :
87 0 : return hi * 16 + lo;
88 : }
89 :
90 : static int
91 0 : decode_hex_string_be(const char *str, uint8_t *out, size_t size)
92 : {
93 : size_t i;
94 :
95 : /* Decode a string in "ABCDEF012345" format to its binary representation */
96 0 : for (i = 0; i < size; i++) {
97 0 : int num = hex_byte_to_num(str);
98 :
99 0 : if (num < 0) {
100 : /* Invalid hex byte or end of string */
101 0 : return -1;
102 : }
103 :
104 0 : out[i] = (uint8_t)num;
105 0 : str += 2;
106 : }
107 :
108 0 : if (i != size || *str != '\0') {
109 : /* Length mismatch */
110 0 : return -1;
111 : }
112 :
113 0 : return 0;
114 : }
115 :
116 : static int
117 0 : decode_ns_nguid(const struct spdk_json_val *val, void *out)
118 : {
119 0 : char *str = NULL;
120 : int rc;
121 :
122 0 : rc = spdk_json_decode_string(val, &str);
123 0 : if (rc == 0) {
124 : /* 16-byte NGUID */
125 0 : rc = decode_hex_string_be(str, out, 16);
126 : }
127 :
128 0 : free(str);
129 0 : return rc;
130 : }
131 :
132 : static int
133 0 : decode_ns_eui64(const struct spdk_json_val *val, void *out)
134 : {
135 0 : char *str = NULL;
136 : int rc;
137 :
138 0 : rc = spdk_json_decode_string(val, &str);
139 0 : if (rc == 0) {
140 : /* 8-byte EUI-64 */
141 0 : rc = decode_hex_string_be(str, out, 8);
142 : }
143 :
144 0 : free(str);
145 0 : return rc;
146 : }
147 :
148 : struct rpc_get_subsystem {
149 : char *nqn;
150 : char *tgt_name;
151 : };
152 :
153 : static const struct spdk_json_object_decoder rpc_get_subsystem_decoders[] = {
154 : {"nqn", offsetof(struct rpc_get_subsystem, nqn), spdk_json_decode_string, true},
155 : {"tgt_name", offsetof(struct rpc_get_subsystem, tgt_name), spdk_json_decode_string, true},
156 : };
157 :
158 : static void
159 0 : dump_nvmf_subsystem(struct spdk_json_write_ctx *w, struct spdk_nvmf_subsystem *subsystem)
160 : {
161 : struct spdk_nvmf_host *host;
162 : struct spdk_nvmf_subsystem_listener *listener;
163 :
164 0 : spdk_json_write_object_begin(w);
165 :
166 0 : spdk_json_write_named_string(w, "nqn", spdk_nvmf_subsystem_get_nqn(subsystem));
167 0 : spdk_json_write_name(w, "subtype");
168 0 : if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
169 0 : spdk_json_write_string(w, "NVMe");
170 : } else {
171 0 : spdk_json_write_string(w, "Discovery");
172 : }
173 :
174 0 : spdk_json_write_named_array_begin(w, "listen_addresses");
175 :
176 0 : for (listener = spdk_nvmf_subsystem_get_first_listener(subsystem); listener != NULL;
177 0 : listener = spdk_nvmf_subsystem_get_next_listener(subsystem, listener)) {
178 : const struct spdk_nvme_transport_id *trid;
179 :
180 0 : trid = spdk_nvmf_subsystem_listener_get_trid(listener);
181 :
182 0 : spdk_json_write_object_begin(w);
183 0 : nvmf_transport_listen_dump_trid(trid, w);
184 0 : spdk_json_write_object_end(w);
185 : }
186 0 : spdk_json_write_array_end(w);
187 :
188 0 : spdk_json_write_named_bool(w, "allow_any_host",
189 0 : spdk_nvmf_subsystem_get_allow_any_host(subsystem));
190 :
191 0 : spdk_json_write_named_array_begin(w, "hosts");
192 :
193 0 : for (host = spdk_nvmf_subsystem_get_first_host(subsystem); host != NULL;
194 0 : host = spdk_nvmf_subsystem_get_next_host(subsystem, host)) {
195 0 : spdk_json_write_object_begin(w);
196 0 : spdk_json_write_named_string(w, "nqn", spdk_nvmf_host_get_nqn(host));
197 0 : if (host->dhchap_key != NULL) {
198 0 : spdk_json_write_named_string(w, "dhchap_key",
199 : spdk_key_get_name(host->dhchap_key));
200 : }
201 0 : if (host->dhchap_ctrlr_key != NULL) {
202 0 : spdk_json_write_named_string(w, "dhchap_ctrlr_key",
203 : spdk_key_get_name(host->dhchap_ctrlr_key));
204 : }
205 0 : spdk_json_write_object_end(w);
206 : }
207 0 : spdk_json_write_array_end(w);
208 :
209 0 : if (spdk_nvmf_subsystem_get_type(subsystem) == SPDK_NVMF_SUBTYPE_NVME) {
210 : struct spdk_nvmf_ns *ns;
211 : struct spdk_nvmf_ns_opts ns_opts;
212 : uint32_t max_namespaces;
213 :
214 0 : spdk_json_write_named_string(w, "serial_number", spdk_nvmf_subsystem_get_sn(subsystem));
215 :
216 0 : spdk_json_write_named_string(w, "model_number", spdk_nvmf_subsystem_get_mn(subsystem));
217 :
218 0 : max_namespaces = spdk_nvmf_subsystem_get_max_namespaces(subsystem);
219 0 : if (max_namespaces != 0) {
220 0 : spdk_json_write_named_uint32(w, "max_namespaces", max_namespaces);
221 : }
222 :
223 0 : spdk_json_write_named_uint32(w, "min_cntlid", spdk_nvmf_subsystem_get_min_cntlid(subsystem));
224 0 : spdk_json_write_named_uint32(w, "max_cntlid", spdk_nvmf_subsystem_get_max_cntlid(subsystem));
225 :
226 0 : spdk_json_write_named_array_begin(w, "namespaces");
227 0 : for (ns = spdk_nvmf_subsystem_get_first_ns(subsystem); ns != NULL;
228 0 : ns = spdk_nvmf_subsystem_get_next_ns(subsystem, ns)) {
229 0 : spdk_nvmf_ns_get_opts(ns, &ns_opts, sizeof(ns_opts));
230 0 : spdk_json_write_object_begin(w);
231 0 : spdk_json_write_named_int32(w, "nsid", spdk_nvmf_ns_get_id(ns));
232 0 : spdk_json_write_named_string(w, "bdev_name",
233 0 : spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
234 : /* NOTE: "name" is kept for compatibility only - new code should use bdev_name. */
235 0 : spdk_json_write_named_string(w, "name",
236 0 : spdk_bdev_get_name(spdk_nvmf_ns_get_bdev(ns)));
237 :
238 0 : if (!spdk_mem_all_zero(ns_opts.nguid, sizeof(ns_opts.nguid))) {
239 0 : spdk_json_write_name(w, "nguid");
240 0 : json_write_hex_str(w, ns_opts.nguid, sizeof(ns_opts.nguid));
241 : }
242 :
243 0 : if (!spdk_mem_all_zero(ns_opts.eui64, sizeof(ns_opts.eui64))) {
244 0 : spdk_json_write_name(w, "eui64");
245 0 : json_write_hex_str(w, ns_opts.eui64, sizeof(ns_opts.eui64));
246 : }
247 :
248 0 : if (!spdk_uuid_is_null(&ns_opts.uuid)) {
249 0 : spdk_json_write_named_uuid(w, "uuid", &ns_opts.uuid);
250 : }
251 :
252 0 : if (spdk_nvmf_subsystem_get_ana_reporting(subsystem)) {
253 0 : spdk_json_write_named_uint32(w, "anagrpid", ns_opts.anagrpid);
254 : }
255 :
256 0 : spdk_json_write_object_end(w);
257 : }
258 0 : spdk_json_write_array_end(w);
259 : }
260 0 : spdk_json_write_object_end(w);
261 0 : }
262 :
263 : static void
264 0 : rpc_nvmf_get_subsystems(struct spdk_jsonrpc_request *request,
265 : const struct spdk_json_val *params)
266 : {
267 0 : struct rpc_get_subsystem req = { 0 };
268 : struct spdk_json_write_ctx *w;
269 0 : struct spdk_nvmf_subsystem *subsystem = NULL;
270 : struct spdk_nvmf_tgt *tgt;
271 :
272 0 : if (params) {
273 0 : if (spdk_json_decode_object(params, rpc_get_subsystem_decoders,
274 : SPDK_COUNTOF(rpc_get_subsystem_decoders),
275 : &req)) {
276 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
277 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
278 0 : return;
279 : }
280 : }
281 :
282 0 : tgt = spdk_nvmf_get_tgt(req.tgt_name);
283 0 : if (!tgt) {
284 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
285 : "Unable to find a target.");
286 0 : free(req.tgt_name);
287 0 : free(req.nqn);
288 0 : return;
289 : }
290 :
291 0 : if (req.nqn) {
292 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req.nqn);
293 0 : if (!subsystem) {
294 0 : SPDK_ERRLOG("subsystem '%s' does not exist\n", req.nqn);
295 0 : spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
296 0 : free(req.tgt_name);
297 0 : free(req.nqn);
298 0 : return;
299 : }
300 : }
301 :
302 0 : w = spdk_jsonrpc_begin_result(request);
303 0 : spdk_json_write_array_begin(w);
304 :
305 0 : if (subsystem) {
306 0 : dump_nvmf_subsystem(w, subsystem);
307 : } else {
308 0 : for (subsystem = spdk_nvmf_subsystem_get_first(tgt); subsystem != NULL;
309 0 : subsystem = spdk_nvmf_subsystem_get_next(subsystem)) {
310 0 : dump_nvmf_subsystem(w, subsystem);
311 : }
312 : }
313 :
314 0 : spdk_json_write_array_end(w);
315 0 : spdk_jsonrpc_end_result(request, w);
316 0 : free(req.tgt_name);
317 0 : free(req.nqn);
318 : }
319 0 : SPDK_RPC_REGISTER("nvmf_get_subsystems", rpc_nvmf_get_subsystems, SPDK_RPC_RUNTIME)
320 :
321 : struct rpc_subsystem_create {
322 : char *nqn;
323 : char *serial_number;
324 : char *model_number;
325 : char *tgt_name;
326 : uint32_t max_namespaces;
327 : bool allow_any_host;
328 : bool ana_reporting;
329 : uint16_t min_cntlid;
330 : uint16_t max_cntlid;
331 : uint64_t max_discard_size_kib;
332 : uint64_t max_write_zeroes_size_kib;
333 : bool passthrough;
334 : };
335 :
336 : static const struct spdk_json_object_decoder rpc_subsystem_create_decoders[] = {
337 : {"nqn", offsetof(struct rpc_subsystem_create, nqn), spdk_json_decode_string},
338 : {"serial_number", offsetof(struct rpc_subsystem_create, serial_number), spdk_json_decode_string, true},
339 : {"model_number", offsetof(struct rpc_subsystem_create, model_number), spdk_json_decode_string, true},
340 : {"tgt_name", offsetof(struct rpc_subsystem_create, tgt_name), spdk_json_decode_string, true},
341 : {"max_namespaces", offsetof(struct rpc_subsystem_create, max_namespaces), spdk_json_decode_uint32, true},
342 : {"allow_any_host", offsetof(struct rpc_subsystem_create, allow_any_host), spdk_json_decode_bool, true},
343 : {"ana_reporting", offsetof(struct rpc_subsystem_create, ana_reporting), spdk_json_decode_bool, true},
344 : {"min_cntlid", offsetof(struct rpc_subsystem_create, min_cntlid), spdk_json_decode_uint16, true},
345 : {"max_cntlid", offsetof(struct rpc_subsystem_create, max_cntlid), spdk_json_decode_uint16, true},
346 : {"max_discard_size_kib", offsetof(struct rpc_subsystem_create, max_discard_size_kib), spdk_json_decode_uint64, true},
347 : {"max_write_zeroes_size_kib", offsetof(struct rpc_subsystem_create, max_write_zeroes_size_kib), spdk_json_decode_uint64, true},
348 : {"passthrough", offsetof(struct rpc_subsystem_create, passthrough), spdk_json_decode_bool, true},
349 : };
350 :
351 : static void
352 0 : rpc_nvmf_subsystem_started(struct spdk_nvmf_subsystem *subsystem,
353 : void *cb_arg, int status)
354 : {
355 0 : struct spdk_jsonrpc_request *request = cb_arg;
356 :
357 0 : if (!status) {
358 0 : spdk_jsonrpc_send_bool_response(request, true);
359 : } else {
360 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
361 : "Subsystem %s start failed",
362 0 : subsystem->subnqn);
363 0 : spdk_nvmf_subsystem_destroy(subsystem, NULL, NULL);
364 : }
365 0 : }
366 :
367 : static void
368 0 : rpc_nvmf_create_subsystem(struct spdk_jsonrpc_request *request,
369 : const struct spdk_json_val *params)
370 : {
371 : struct rpc_subsystem_create *req;
372 0 : struct spdk_nvmf_subsystem *subsystem = NULL;
373 : struct spdk_nvmf_tgt *tgt;
374 0 : int rc = -1;
375 :
376 0 : req = calloc(1, sizeof(*req));
377 0 : if (!req) {
378 0 : SPDK_ERRLOG("Memory allocation failed\n");
379 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
380 : "Memory allocation failed");
381 0 : return;
382 : }
383 0 : req->min_cntlid = NVMF_MIN_CNTLID;
384 0 : req->max_cntlid = NVMF_MAX_CNTLID;
385 :
386 0 : if (spdk_json_decode_object(params, rpc_subsystem_create_decoders,
387 : SPDK_COUNTOF(rpc_subsystem_create_decoders),
388 : req)) {
389 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
390 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
391 0 : goto cleanup;
392 : }
393 :
394 0 : tgt = spdk_nvmf_get_tgt(req->tgt_name);
395 0 : if (!tgt) {
396 0 : SPDK_ERRLOG("Unable to find target %s\n", req->tgt_name);
397 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
398 : "Unable to find target %s", req->tgt_name);
399 0 : goto cleanup;
400 : }
401 :
402 0 : subsystem = spdk_nvmf_subsystem_create(tgt, req->nqn, SPDK_NVMF_SUBTYPE_NVME,
403 : req->max_namespaces);
404 0 : if (!subsystem) {
405 0 : SPDK_ERRLOG("Unable to create subsystem %s\n", req->nqn);
406 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
407 : "Unable to create subsystem %s", req->nqn);
408 0 : goto cleanup;
409 : }
410 :
411 0 : if (req->serial_number) {
412 0 : if (spdk_nvmf_subsystem_set_sn(subsystem, req->serial_number)) {
413 0 : SPDK_ERRLOG("Subsystem %s: invalid serial number '%s'\n", req->nqn, req->serial_number);
414 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
415 : "Invalid SN %s", req->serial_number);
416 0 : goto cleanup;
417 : }
418 : }
419 :
420 0 : if (req->model_number) {
421 0 : if (spdk_nvmf_subsystem_set_mn(subsystem, req->model_number)) {
422 0 : SPDK_ERRLOG("Subsystem %s: invalid model number '%s'\n", req->nqn, req->model_number);
423 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
424 : "Invalid MN %s", req->model_number);
425 0 : goto cleanup;
426 : }
427 : }
428 :
429 0 : spdk_nvmf_subsystem_set_allow_any_host(subsystem, req->allow_any_host);
430 :
431 0 : spdk_nvmf_subsystem_set_ana_reporting(subsystem, req->ana_reporting);
432 :
433 0 : if (spdk_nvmf_subsystem_set_cntlid_range(subsystem, req->min_cntlid, req->max_cntlid)) {
434 0 : SPDK_ERRLOG("Subsystem %s: invalid cntlid range [%u-%u]\n", req->nqn, req->min_cntlid,
435 : req->max_cntlid);
436 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
437 0 : "Invalid cntlid range [%u-%u]", req->min_cntlid, req->max_cntlid);
438 0 : goto cleanup;
439 : }
440 :
441 0 : subsystem->max_discard_size_kib = req->max_discard_size_kib;
442 :
443 : /* max_write_zeroes_size_kib must be aligned to 4 and power of 2 */
444 0 : if (req->max_write_zeroes_size_kib == 0 || (req->max_write_zeroes_size_kib > 2 &&
445 0 : spdk_u64_is_pow2(req->max_write_zeroes_size_kib))) {
446 0 : subsystem->max_write_zeroes_size_kib = req->max_write_zeroes_size_kib;
447 : } else {
448 0 : SPDK_ERRLOG("Subsystem %s: invalid max_write_zeroes_size_kib %"PRIu64"\n", req->nqn,
449 : req->max_write_zeroes_size_kib);
450 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
451 : "Invalid max_write_zeroes_size_kib %"PRIu64, req->max_write_zeroes_size_kib);
452 0 : goto cleanup;
453 : }
454 :
455 0 : subsystem->passthrough = req->passthrough;
456 :
457 0 : rc = spdk_nvmf_subsystem_start(subsystem,
458 : rpc_nvmf_subsystem_started,
459 : request);
460 0 : if (rc) {
461 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
462 : "Failed to start subsystem");
463 : }
464 :
465 0 : cleanup:
466 0 : free(req->nqn);
467 0 : free(req->tgt_name);
468 0 : free(req->serial_number);
469 0 : free(req->model_number);
470 0 : free(req);
471 :
472 0 : if (rc && subsystem) {
473 0 : spdk_nvmf_subsystem_destroy(subsystem, NULL, NULL);
474 : }
475 : }
476 0 : SPDK_RPC_REGISTER("nvmf_create_subsystem", rpc_nvmf_create_subsystem, SPDK_RPC_RUNTIME)
477 :
478 : struct rpc_delete_subsystem {
479 : char *nqn;
480 : char *tgt_name;
481 : };
482 :
483 : static void
484 0 : free_rpc_delete_subsystem(struct rpc_delete_subsystem *r)
485 : {
486 0 : free(r->nqn);
487 0 : free(r->tgt_name);
488 0 : }
489 :
490 : static void
491 0 : rpc_nvmf_subsystem_destroy_complete_cb(void *cb_arg)
492 : {
493 0 : struct spdk_jsonrpc_request *request = cb_arg;
494 :
495 0 : spdk_jsonrpc_send_bool_response(request, true);
496 0 : }
497 :
498 : static void
499 0 : rpc_nvmf_subsystem_stopped(struct spdk_nvmf_subsystem *subsystem,
500 : void *cb_arg, int status)
501 : {
502 0 : struct spdk_jsonrpc_request *request = cb_arg;
503 : int rc;
504 :
505 0 : nvmf_subsystem_remove_all_listeners(subsystem, true);
506 0 : rc = spdk_nvmf_subsystem_destroy(subsystem, rpc_nvmf_subsystem_destroy_complete_cb, request);
507 0 : if (rc) {
508 0 : if (rc == -EINPROGRESS) {
509 : /* response will be sent in completion callback */
510 0 : return;
511 : } else {
512 0 : SPDK_ERRLOG("Subsystem destruction failed, rc %d\n", rc);
513 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
514 : "Subsystem destruction failed, rc %d", rc);
515 0 : return;
516 : }
517 : }
518 0 : spdk_jsonrpc_send_bool_response(request, true);
519 : }
520 :
521 : static const struct spdk_json_object_decoder rpc_delete_subsystem_decoders[] = {
522 : {"nqn", offsetof(struct rpc_delete_subsystem, nqn), spdk_json_decode_string},
523 : {"tgt_name", offsetof(struct rpc_delete_subsystem, tgt_name), spdk_json_decode_string, true},
524 : };
525 :
526 : static void
527 0 : rpc_nvmf_delete_subsystem(struct spdk_jsonrpc_request *request,
528 : const struct spdk_json_val *params)
529 : {
530 0 : struct rpc_delete_subsystem req = { 0 };
531 : struct spdk_nvmf_subsystem *subsystem;
532 : struct spdk_nvmf_tgt *tgt;
533 : int rc;
534 :
535 0 : if (spdk_json_decode_object(params, rpc_delete_subsystem_decoders,
536 : SPDK_COUNTOF(rpc_delete_subsystem_decoders),
537 : &req)) {
538 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
539 0 : goto invalid;
540 : }
541 :
542 0 : if (req.nqn == NULL) {
543 0 : SPDK_ERRLOG("missing name param\n");
544 0 : goto invalid;
545 : }
546 :
547 0 : tgt = spdk_nvmf_get_tgt(req.tgt_name);
548 0 : if (!tgt) {
549 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
550 : "Unable to find a target.");
551 0 : goto invalid_custom_response;
552 : }
553 :
554 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, req.nqn);
555 0 : if (!subsystem) {
556 0 : goto invalid;
557 : }
558 :
559 0 : free_rpc_delete_subsystem(&req);
560 :
561 0 : rc = spdk_nvmf_subsystem_stop(subsystem,
562 : rpc_nvmf_subsystem_stopped,
563 : request);
564 0 : if (rc == -EBUSY) {
565 0 : SPDK_ERRLOG("Subsystem currently in another state change try again later.\n");
566 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
567 : "Subsystem currently in another state change try again later.");
568 0 : } else if (rc != 0) {
569 0 : SPDK_ERRLOG("Unable to change state on subsystem. rc=%d\n", rc);
570 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
571 : "Unable to change state on subsystem. rc=%d", rc);
572 : }
573 :
574 0 : return;
575 :
576 0 : invalid:
577 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
578 0 : invalid_custom_response:
579 0 : free_rpc_delete_subsystem(&req);
580 : }
581 0 : SPDK_RPC_REGISTER("nvmf_delete_subsystem", rpc_nvmf_delete_subsystem, SPDK_RPC_RUNTIME)
582 :
583 : struct rpc_listen_address {
584 : char *trtype;
585 : char *adrfam;
586 : char *traddr;
587 : char *trsvcid;
588 : };
589 :
590 : static const struct spdk_json_object_decoder rpc_listen_address_decoders[] = {
591 : {"trtype", offsetof(struct rpc_listen_address, trtype), spdk_json_decode_string, true},
592 : {"adrfam", offsetof(struct rpc_listen_address, adrfam), spdk_json_decode_string, true},
593 : {"traddr", offsetof(struct rpc_listen_address, traddr), spdk_json_decode_string},
594 : {"trsvcid", offsetof(struct rpc_listen_address, trsvcid), spdk_json_decode_string, true},
595 : };
596 :
597 : static int
598 0 : decode_rpc_listen_address(const struct spdk_json_val *val, void *out)
599 : {
600 0 : struct rpc_listen_address *req = (struct rpc_listen_address *)out;
601 :
602 0 : return spdk_json_decode_object(val, rpc_listen_address_decoders,
603 : SPDK_COUNTOF(rpc_listen_address_decoders), req);
604 : }
605 :
606 : static void
607 0 : free_rpc_listen_address(struct rpc_listen_address *r)
608 : {
609 0 : free(r->trtype);
610 0 : free(r->adrfam);
611 0 : free(r->traddr);
612 0 : free(r->trsvcid);
613 0 : }
614 :
615 : enum nvmf_rpc_listen_op {
616 : NVMF_RPC_LISTEN_ADD,
617 : NVMF_RPC_LISTEN_REMOVE,
618 : NVMF_RPC_LISTEN_SET_ANA_STATE,
619 : };
620 :
621 : struct nvmf_rpc_listener_ctx {
622 : char *nqn;
623 : char *tgt_name;
624 : struct spdk_nvmf_tgt *tgt;
625 : struct spdk_nvmf_transport *transport;
626 : struct spdk_nvmf_subsystem *subsystem;
627 : struct rpc_listen_address address;
628 : char *ana_state_str;
629 : enum spdk_nvme_ana_state ana_state;
630 : uint32_t anagrpid;
631 :
632 : struct spdk_jsonrpc_request *request;
633 : struct spdk_nvme_transport_id trid;
634 : enum nvmf_rpc_listen_op op;
635 : bool response_sent;
636 : struct spdk_nvmf_listen_opts opts;
637 :
638 : /* Hole at bytes 705-711 */
639 : uint8_t reserved1[7];
640 :
641 : /* Additional options for listener creation.
642 : * Must be 8-byte aligned. */
643 : struct spdk_nvmf_listener_opts listener_opts;
644 : };
645 :
646 : static const struct spdk_json_object_decoder nvmf_rpc_listener_decoder[] = {
647 : {"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
648 : {"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
649 : {"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
650 : {"secure_channel", offsetof(struct nvmf_rpc_listener_ctx, listener_opts.secure_channel), spdk_json_decode_bool, true},
651 : {"ana_state", offsetof(struct nvmf_rpc_listener_ctx, ana_state_str), spdk_json_decode_string, true},
652 : {"sock_impl", offsetof(struct nvmf_rpc_listener_ctx, listener_opts.sock_impl), spdk_json_decode_string, true},
653 : };
654 :
655 : static void
656 0 : nvmf_rpc_listener_ctx_free(struct nvmf_rpc_listener_ctx *ctx)
657 : {
658 0 : free(ctx->nqn);
659 0 : free(ctx->tgt_name);
660 0 : free_rpc_listen_address(&ctx->address);
661 0 : free(ctx->ana_state_str);
662 0 : free(ctx);
663 0 : }
664 :
665 : static void
666 0 : nvmf_rpc_listen_resumed(struct spdk_nvmf_subsystem *subsystem,
667 : void *cb_arg, int status)
668 : {
669 0 : struct nvmf_rpc_listener_ctx *ctx = cb_arg;
670 : struct spdk_jsonrpc_request *request;
671 :
672 0 : request = ctx->request;
673 0 : if (ctx->response_sent) {
674 : /* If an error occurred, the response has already been sent. */
675 0 : nvmf_rpc_listener_ctx_free(ctx);
676 0 : return;
677 : }
678 :
679 0 : nvmf_rpc_listener_ctx_free(ctx);
680 :
681 0 : spdk_jsonrpc_send_bool_response(request, true);
682 : }
683 :
684 : static void
685 0 : nvmf_rpc_subsystem_listen(void *cb_arg, int status)
686 : {
687 0 : struct nvmf_rpc_listener_ctx *ctx = cb_arg;
688 :
689 0 : if (status) {
690 : /* Destroy the listener that we just created. Ignore the error code because
691 : * the RPC is failing already anyway. */
692 0 : spdk_nvmf_tgt_stop_listen(ctx->tgt, &ctx->trid);
693 :
694 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
695 : "Invalid parameters");
696 0 : ctx->response_sent = true;
697 : }
698 :
699 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
700 0 : if (!ctx->response_sent) {
701 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
702 : "Internal error");
703 : }
704 0 : nvmf_rpc_listener_ctx_free(ctx);
705 : /* Can't really do anything to recover here - subsystem will remain paused. */
706 : }
707 0 : }
708 : static void
709 0 : nvmf_rpc_stop_listen_async_done(void *cb_arg, int status)
710 : {
711 0 : struct nvmf_rpc_listener_ctx *ctx = cb_arg;
712 :
713 0 : if (status) {
714 0 : SPDK_ERRLOG("Unable to stop listener.\n");
715 0 : spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
716 : "error stopping listener: %d", status);
717 0 : ctx->response_sent = true;
718 : }
719 :
720 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
721 0 : if (!ctx->response_sent) {
722 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
723 : "Internal error");
724 : }
725 0 : nvmf_rpc_listener_ctx_free(ctx);
726 : /* Can't really do anything to recover here - subsystem will remain paused. */
727 : }
728 0 : }
729 :
730 : static void
731 0 : nvmf_rpc_set_ana_state_done(void *cb_arg, int status)
732 : {
733 0 : struct nvmf_rpc_listener_ctx *ctx = cb_arg;
734 :
735 0 : if (status) {
736 0 : SPDK_ERRLOG("Unable to set ANA state.\n");
737 0 : spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
738 : "error setting ANA state: %d", status);
739 0 : ctx->response_sent = true;
740 : }
741 :
742 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, nvmf_rpc_listen_resumed, ctx)) {
743 0 : if (!ctx->response_sent) {
744 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
745 : "Internal error");
746 : }
747 0 : nvmf_rpc_listener_ctx_free(ctx);
748 : /* Can't really do anything to recover here - subsystem will remain paused. */
749 : }
750 0 : }
751 :
752 : static void
753 0 : nvmf_rpc_listen_paused(struct spdk_nvmf_subsystem *subsystem,
754 : void *cb_arg, int status)
755 : {
756 0 : struct nvmf_rpc_listener_ctx *ctx = cb_arg;
757 : int rc;
758 :
759 0 : switch (ctx->op) {
760 0 : case NVMF_RPC_LISTEN_ADD:
761 0 : if (nvmf_subsystem_find_listener(subsystem, &ctx->trid)) {
762 0 : SPDK_ERRLOG("Listener already exists\n");
763 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
764 : "Invalid parameters");
765 0 : ctx->response_sent = true;
766 0 : break;
767 : }
768 :
769 0 : rc = spdk_nvmf_tgt_listen_ext(ctx->tgt, &ctx->trid, &ctx->opts);
770 0 : if (rc) {
771 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
772 : "Invalid parameters");
773 0 : ctx->response_sent = true;
774 0 : break;
775 : }
776 :
777 0 : spdk_nvmf_subsystem_add_listener_ext(ctx->subsystem, &ctx->trid, nvmf_rpc_subsystem_listen, ctx,
778 : &ctx->listener_opts);
779 0 : return;
780 0 : case NVMF_RPC_LISTEN_REMOVE:
781 0 : rc = spdk_nvmf_subsystem_remove_listener(subsystem, &ctx->trid);
782 0 : if (rc) {
783 0 : SPDK_ERRLOG("Unable to remove listener, rc %d\n", rc);
784 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
785 : "Invalid parameters");
786 0 : ctx->response_sent = true;
787 0 : break;
788 : }
789 :
790 0 : spdk_nvmf_transport_stop_listen_async(ctx->transport, &ctx->trid, subsystem,
791 : nvmf_rpc_stop_listen_async_done, ctx);
792 0 : return;
793 0 : case NVMF_RPC_LISTEN_SET_ANA_STATE:
794 0 : spdk_nvmf_subsystem_set_ana_state(subsystem, &ctx->trid, ctx->ana_state, ctx->anagrpid,
795 : nvmf_rpc_set_ana_state_done, ctx);
796 0 : return;
797 0 : default:
798 0 : SPDK_UNREACHABLE();
799 : }
800 :
801 0 : if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_listen_resumed, ctx)) {
802 0 : if (!ctx->response_sent) {
803 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
804 : "Internal error");
805 : }
806 :
807 0 : nvmf_rpc_listener_ctx_free(ctx);
808 : /* Can't really do anything to recover here - subsystem will remain paused. */
809 : }
810 : }
811 :
812 : static int
813 0 : rpc_listen_address_to_trid(const struct rpc_listen_address *address,
814 : struct spdk_nvme_transport_id *trid)
815 : {
816 : size_t len;
817 :
818 0 : memset(trid, 0, sizeof(*trid));
819 :
820 0 : if (spdk_nvme_transport_id_populate_trstring(trid, address->trtype)) {
821 0 : SPDK_ERRLOG("Invalid trtype string: %s\n", address->trtype);
822 0 : return -EINVAL;
823 : }
824 :
825 0 : if (spdk_nvme_transport_id_parse_trtype(&trid->trtype, address->trtype)) {
826 0 : SPDK_ERRLOG("Invalid trtype type: %s\n", address->trtype);
827 0 : return -EINVAL;
828 : }
829 :
830 0 : if (address->adrfam) {
831 0 : if (spdk_nvme_transport_id_parse_adrfam(&trid->adrfam, address->adrfam)) {
832 0 : SPDK_ERRLOG("Invalid adrfam: %s\n", address->adrfam);
833 0 : return -EINVAL;
834 : }
835 : } else {
836 0 : trid->adrfam = SPDK_NVMF_ADRFAM_IPV4;
837 : }
838 :
839 0 : len = strlen(address->traddr);
840 0 : if (len > sizeof(trid->traddr) - 1) {
841 0 : SPDK_ERRLOG("Transport address longer than %zu characters: %s\n",
842 : sizeof(trid->traddr) - 1, address->traddr);
843 0 : return -EINVAL;
844 : }
845 0 : memcpy(trid->traddr, address->traddr, len + 1);
846 :
847 0 : trid->trsvcid[0] = '\0';
848 0 : if (address->trsvcid) {
849 0 : len = strlen(address->trsvcid);
850 0 : if (len > sizeof(trid->trsvcid) - 1) {
851 0 : SPDK_ERRLOG("Transport service id longer than %zu characters: %s\n",
852 : sizeof(trid->trsvcid) - 1, address->trsvcid);
853 0 : return -EINVAL;
854 : }
855 0 : memcpy(trid->trsvcid, address->trsvcid, len + 1);
856 : }
857 :
858 0 : return 0;
859 : }
860 :
861 : static void
862 0 : rpc_nvmf_subsystem_add_listener(struct spdk_jsonrpc_request *request,
863 : const struct spdk_json_val *params)
864 : {
865 : struct nvmf_rpc_listener_ctx *ctx;
866 : struct spdk_nvmf_subsystem *subsystem;
867 : struct spdk_nvmf_tgt *tgt;
868 : int rc;
869 :
870 0 : ctx = calloc(1, sizeof(*ctx));
871 0 : if (!ctx) {
872 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
873 0 : return;
874 : }
875 :
876 0 : ctx->request = request;
877 :
878 0 : spdk_nvmf_subsystem_listener_opts_init(&ctx->listener_opts, sizeof(ctx->listener_opts));
879 :
880 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_listener_decoder,
881 : SPDK_COUNTOF(nvmf_rpc_listener_decoder),
882 : ctx)) {
883 0 : SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
884 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
885 0 : nvmf_rpc_listener_ctx_free(ctx);
886 0 : return;
887 : }
888 :
889 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
890 0 : if (!tgt) {
891 0 : SPDK_ERRLOG("Unable to find a target object.\n");
892 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
893 : "Unable to find a target.");
894 0 : nvmf_rpc_listener_ctx_free(ctx);
895 0 : return;
896 : }
897 0 : ctx->tgt = tgt;
898 :
899 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
900 0 : if (!subsystem) {
901 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
902 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
903 0 : nvmf_rpc_listener_ctx_free(ctx);
904 0 : return;
905 : }
906 :
907 0 : ctx->subsystem = subsystem;
908 :
909 0 : if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
910 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
911 : "Invalid parameters");
912 0 : nvmf_rpc_listener_ctx_free(ctx);
913 0 : return;
914 : }
915 :
916 0 : ctx->op = NVMF_RPC_LISTEN_ADD;
917 0 : spdk_nvmf_listen_opts_init(&ctx->opts, sizeof(ctx->opts));
918 0 : ctx->opts.transport_specific = params;
919 0 : if (spdk_nvmf_subsystem_get_allow_any_host(subsystem) && ctx->listener_opts.secure_channel) {
920 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
921 : "Cannot establish secure channel, when 'allow_any_host' is set");
922 0 : nvmf_rpc_listener_ctx_free(ctx);
923 0 : return;
924 : }
925 0 : ctx->opts.secure_channel = ctx->listener_opts.secure_channel;
926 :
927 0 : if (ctx->ana_state_str) {
928 0 : if (rpc_ana_state_parse(ctx->ana_state_str, &ctx->ana_state)) {
929 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
930 : "Invalid parameters");
931 0 : nvmf_rpc_listener_ctx_free(ctx);
932 0 : return;
933 : }
934 0 : ctx->listener_opts.ana_state = ctx->ana_state;
935 : }
936 :
937 0 : ctx->opts.sock_impl = ctx->listener_opts.sock_impl;
938 :
939 0 : rc = spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx);
940 0 : if (rc != 0) {
941 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
942 0 : nvmf_rpc_listener_ctx_free(ctx);
943 : }
944 : }
945 0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_listener", rpc_nvmf_subsystem_add_listener,
946 : SPDK_RPC_RUNTIME);
947 :
948 : static void
949 0 : rpc_nvmf_subsystem_remove_listener(struct spdk_jsonrpc_request *request,
950 : const struct spdk_json_val *params)
951 : {
952 : struct nvmf_rpc_listener_ctx *ctx;
953 : struct spdk_nvmf_subsystem *subsystem;
954 : struct spdk_nvmf_tgt *tgt;
955 : int rc;
956 :
957 0 : ctx = calloc(1, sizeof(*ctx));
958 0 : if (!ctx) {
959 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
960 0 : return;
961 : }
962 :
963 0 : ctx->request = request;
964 :
965 0 : if (spdk_json_decode_object(params, nvmf_rpc_listener_decoder,
966 : SPDK_COUNTOF(nvmf_rpc_listener_decoder),
967 : ctx)) {
968 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
969 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
970 0 : nvmf_rpc_listener_ctx_free(ctx);
971 0 : return;
972 : }
973 :
974 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
975 0 : if (!tgt) {
976 0 : SPDK_ERRLOG("Unable to find a target object.\n");
977 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
978 : "Unable to find a target.");
979 0 : nvmf_rpc_listener_ctx_free(ctx);
980 0 : return;
981 : }
982 0 : ctx->tgt = tgt;
983 :
984 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
985 0 : if (!subsystem) {
986 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
987 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
988 0 : nvmf_rpc_listener_ctx_free(ctx);
989 0 : return;
990 : }
991 :
992 0 : ctx->subsystem = subsystem;
993 :
994 0 : if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
995 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
996 : "Invalid parameters");
997 0 : nvmf_rpc_listener_ctx_free(ctx);
998 0 : return;
999 : }
1000 :
1001 0 : ctx->transport = spdk_nvmf_tgt_get_transport(tgt, ctx->trid.trstring);
1002 0 : if (!ctx->transport) {
1003 0 : SPDK_ERRLOG("Unable to find %s transport. The transport must be created first also make sure it is properly registered.\n",
1004 : ctx->trid.trstring);
1005 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1006 : "Invalid parameters");
1007 0 : nvmf_rpc_listener_ctx_free(ctx);
1008 0 : return;
1009 : }
1010 :
1011 0 : ctx->op = NVMF_RPC_LISTEN_REMOVE;
1012 :
1013 0 : rc = spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx);
1014 0 : if (rc != 0) {
1015 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1016 0 : nvmf_rpc_listener_ctx_free(ctx);
1017 : }
1018 : }
1019 0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_listener", rpc_nvmf_subsystem_remove_listener,
1020 : SPDK_RPC_RUNTIME);
1021 :
1022 : struct nvmf_rpc_referral_ctx {
1023 : char *tgt_name;
1024 : struct rpc_listen_address address;
1025 : bool secure_channel;
1026 : char *subnqn;
1027 : };
1028 :
1029 : static const struct spdk_json_object_decoder nvmf_rpc_referral_decoder[] = {
1030 : {"address", offsetof(struct nvmf_rpc_referral_ctx, address), decode_rpc_listen_address},
1031 : {"tgt_name", offsetof(struct nvmf_rpc_referral_ctx, tgt_name), spdk_json_decode_string, true},
1032 : {"secure_channel", offsetof(struct nvmf_rpc_referral_ctx, secure_channel), spdk_json_decode_bool, true},
1033 : {"subnqn", offsetof(struct nvmf_rpc_referral_ctx, subnqn), spdk_json_decode_string, true},
1034 : };
1035 :
1036 : static void
1037 0 : nvmf_rpc_referral_ctx_free(struct nvmf_rpc_referral_ctx *ctx)
1038 : {
1039 0 : free(ctx->tgt_name);
1040 0 : free(ctx->subnqn);
1041 0 : free_rpc_listen_address(&ctx->address);
1042 0 : }
1043 :
1044 : static void
1045 0 : rpc_nvmf_add_referral(struct spdk_jsonrpc_request *request,
1046 : const struct spdk_json_val *params)
1047 : {
1048 0 : struct nvmf_rpc_referral_ctx ctx = {};
1049 0 : struct spdk_nvme_transport_id trid = {};
1050 : struct spdk_nvmf_tgt *tgt;
1051 0 : struct spdk_nvmf_referral_opts opts = {};
1052 : int rc;
1053 :
1054 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_referral_decoder,
1055 : SPDK_COUNTOF(nvmf_rpc_referral_decoder),
1056 : &ctx)) {
1057 0 : SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
1058 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1059 0 : nvmf_rpc_referral_ctx_free(&ctx);
1060 0 : return;
1061 : }
1062 :
1063 0 : tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
1064 0 : if (!tgt) {
1065 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1066 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1067 : "Unable to find a target.");
1068 0 : nvmf_rpc_referral_ctx_free(&ctx);
1069 0 : return;
1070 : }
1071 :
1072 0 : if (rpc_listen_address_to_trid(&ctx.address, &trid)) {
1073 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1074 : "Invalid parameters");
1075 0 : nvmf_rpc_referral_ctx_free(&ctx);
1076 0 : return;
1077 : }
1078 :
1079 0 : if (ctx.subnqn != NULL) {
1080 0 : rc = snprintf(trid.subnqn, sizeof(trid.subnqn), "%s", ctx.subnqn);
1081 0 : if (rc < 0 || (size_t)rc >= sizeof(trid.subnqn)) {
1082 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1083 : "Invalid subsystem NQN");
1084 0 : nvmf_rpc_referral_ctx_free(&ctx);
1085 0 : return;
1086 : }
1087 : }
1088 :
1089 0 : if ((trid.trtype == SPDK_NVME_TRANSPORT_TCP ||
1090 0 : trid.trtype == SPDK_NVME_TRANSPORT_RDMA) &&
1091 0 : !strlen(trid.trsvcid)) {
1092 0 : SPDK_ERRLOG("Service ID is required.\n");
1093 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1094 : "Service ID is required.");
1095 0 : nvmf_rpc_referral_ctx_free(&ctx);
1096 0 : return;
1097 : }
1098 :
1099 0 : opts.size = SPDK_SIZEOF(&opts, secure_channel);
1100 0 : opts.trid = trid;
1101 0 : opts.secure_channel = ctx.secure_channel;
1102 :
1103 0 : rc = spdk_nvmf_tgt_add_referral(tgt, &opts);
1104 0 : if (rc != 0) {
1105 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1106 : "Internal error");
1107 0 : nvmf_rpc_referral_ctx_free(&ctx);
1108 0 : return;
1109 : }
1110 :
1111 0 : nvmf_rpc_referral_ctx_free(&ctx);
1112 :
1113 0 : spdk_jsonrpc_send_bool_response(request, true);
1114 : }
1115 :
1116 0 : SPDK_RPC_REGISTER("nvmf_discovery_add_referral", rpc_nvmf_add_referral,
1117 : SPDK_RPC_RUNTIME);
1118 :
1119 : static void
1120 0 : rpc_nvmf_remove_referral(struct spdk_jsonrpc_request *request,
1121 : const struct spdk_json_val *params)
1122 : {
1123 0 : struct nvmf_rpc_referral_ctx ctx = {};
1124 0 : struct spdk_nvme_transport_id trid = {};
1125 0 : struct spdk_nvmf_referral_opts opts = {};
1126 : struct spdk_nvmf_tgt *tgt;
1127 : int rc;
1128 :
1129 0 : if (spdk_json_decode_object(params, nvmf_rpc_referral_decoder,
1130 : SPDK_COUNTOF(nvmf_rpc_referral_decoder),
1131 : &ctx)) {
1132 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1133 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1134 0 : nvmf_rpc_referral_ctx_free(&ctx);
1135 0 : return;
1136 : }
1137 :
1138 0 : tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
1139 0 : if (!tgt) {
1140 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1141 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1142 : "Unable to find a target.");
1143 0 : nvmf_rpc_referral_ctx_free(&ctx);
1144 0 : return;
1145 : }
1146 :
1147 0 : if (rpc_listen_address_to_trid(&ctx.address, &trid)) {
1148 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1149 : "Invalid parameters");
1150 0 : nvmf_rpc_referral_ctx_free(&ctx);
1151 0 : return;
1152 : }
1153 :
1154 0 : if (ctx.subnqn != NULL) {
1155 0 : rc = snprintf(trid.subnqn, sizeof(trid.subnqn), "%s", ctx.subnqn);
1156 0 : if (rc < 0 || (size_t)rc >= sizeof(trid.subnqn)) {
1157 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1158 : "Invalid subsystem NQN");
1159 0 : nvmf_rpc_referral_ctx_free(&ctx);
1160 0 : return;
1161 : }
1162 : }
1163 :
1164 0 : opts.size = SPDK_SIZEOF(&opts, secure_channel);
1165 0 : opts.trid = trid;
1166 :
1167 0 : if (spdk_nvmf_tgt_remove_referral(tgt, &opts)) {
1168 0 : SPDK_ERRLOG("Failed to remove referral.\n");
1169 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1170 : "Unable to remove a referral.");
1171 0 : nvmf_rpc_referral_ctx_free(&ctx);
1172 0 : return;
1173 : }
1174 :
1175 0 : nvmf_rpc_referral_ctx_free(&ctx);
1176 :
1177 0 : spdk_jsonrpc_send_bool_response(request, true);
1178 : }
1179 :
1180 0 : SPDK_RPC_REGISTER("nvmf_discovery_remove_referral", rpc_nvmf_remove_referral,
1181 : SPDK_RPC_RUNTIME);
1182 :
1183 : static void
1184 0 : dump_nvmf_referral(struct spdk_json_write_ctx *w,
1185 : struct spdk_nvmf_referral *referral)
1186 : {
1187 0 : spdk_json_write_object_begin(w);
1188 :
1189 0 : spdk_json_write_named_object_begin(w, "address");
1190 0 : nvmf_transport_listen_dump_trid(&referral->trid, w);
1191 0 : spdk_json_write_object_end(w);
1192 0 : spdk_json_write_named_bool(w, "secure_channel",
1193 0 : referral->entry.treq.secure_channel == SPDK_NVMF_TREQ_SECURE_CHANNEL_REQUIRED);
1194 0 : spdk_json_write_named_string(w, "subnqn", referral->trid.subnqn);
1195 :
1196 0 : spdk_json_write_object_end(w);
1197 0 : }
1198 :
1199 : struct rpc_get_referrals_ctx {
1200 : char *tgt_name;
1201 : };
1202 :
1203 : static const struct spdk_json_object_decoder rpc_get_referrals_decoders[] = {
1204 : {"tgt_name", offsetof(struct rpc_get_referrals_ctx, tgt_name), spdk_json_decode_string, true},
1205 : };
1206 :
1207 : static void
1208 0 : free_rpc_get_referrals_ctx(struct rpc_get_referrals_ctx *ctx)
1209 : {
1210 0 : free(ctx->tgt_name);
1211 0 : free(ctx);
1212 0 : }
1213 :
1214 : static void
1215 0 : rpc_nvmf_get_referrals(struct spdk_jsonrpc_request *request,
1216 : const struct spdk_json_val *params)
1217 : {
1218 : struct rpc_get_referrals_ctx *ctx;
1219 : struct spdk_nvmf_tgt *tgt;
1220 : struct spdk_json_write_ctx *w;
1221 : struct spdk_nvmf_referral *referral;
1222 :
1223 0 : ctx = calloc(1, sizeof(*ctx));
1224 0 : if (!ctx) {
1225 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1226 : "Out of memory");
1227 0 : return;
1228 : }
1229 :
1230 0 : if (params) {
1231 0 : if (spdk_json_decode_object(params, rpc_get_referrals_decoders,
1232 : SPDK_COUNTOF(rpc_get_referrals_decoders),
1233 : ctx)) {
1234 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1235 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1236 : "Invalid parameters");
1237 0 : free_rpc_get_referrals_ctx(ctx);
1238 0 : return;
1239 : }
1240 : }
1241 :
1242 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1243 0 : if (!tgt) {
1244 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1245 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1246 : "Unable to find a target");
1247 0 : free_rpc_get_referrals_ctx(ctx);
1248 0 : return;
1249 : }
1250 :
1251 0 : w = spdk_jsonrpc_begin_result(request);
1252 :
1253 0 : spdk_json_write_array_begin(w);
1254 :
1255 0 : TAILQ_FOREACH(referral, &tgt->referrals, link) {
1256 0 : dump_nvmf_referral(w, referral);
1257 : }
1258 :
1259 0 : spdk_json_write_array_end(w);
1260 :
1261 0 : spdk_jsonrpc_end_result(request, w);
1262 :
1263 0 : free_rpc_get_referrals_ctx(ctx);
1264 : }
1265 0 : SPDK_RPC_REGISTER("nvmf_discovery_get_referrals", rpc_nvmf_get_referrals,
1266 : SPDK_RPC_RUNTIME);
1267 :
1268 : static const struct spdk_json_object_decoder nvmf_rpc_set_ana_state_decoder[] = {
1269 : {"nqn", offsetof(struct nvmf_rpc_listener_ctx, nqn), spdk_json_decode_string},
1270 : {"listen_address", offsetof(struct nvmf_rpc_listener_ctx, address), decode_rpc_listen_address},
1271 : {"ana_state", offsetof(struct nvmf_rpc_listener_ctx, ana_state_str), spdk_json_decode_string},
1272 : {"tgt_name", offsetof(struct nvmf_rpc_listener_ctx, tgt_name), spdk_json_decode_string, true},
1273 : {"anagrpid", offsetof(struct nvmf_rpc_listener_ctx, anagrpid), spdk_json_decode_uint32, true},
1274 : };
1275 :
1276 : static int
1277 0 : rpc_ana_state_parse(const char *str, enum spdk_nvme_ana_state *ana_state)
1278 : {
1279 0 : if (ana_state == NULL || str == NULL) {
1280 0 : return -EINVAL;
1281 : }
1282 :
1283 0 : if (strcasecmp(str, "optimized") == 0) {
1284 0 : *ana_state = SPDK_NVME_ANA_OPTIMIZED_STATE;
1285 0 : } else if (strcasecmp(str, "non_optimized") == 0) {
1286 0 : *ana_state = SPDK_NVME_ANA_NON_OPTIMIZED_STATE;
1287 0 : } else if (strcasecmp(str, "inaccessible") == 0) {
1288 0 : *ana_state = SPDK_NVME_ANA_INACCESSIBLE_STATE;
1289 : } else {
1290 0 : return -ENOENT;
1291 : }
1292 :
1293 0 : return 0;
1294 : }
1295 :
1296 : static void
1297 0 : rpc_nvmf_subsystem_listener_set_ana_state(struct spdk_jsonrpc_request *request,
1298 : const struct spdk_json_val *params)
1299 : {
1300 : struct nvmf_rpc_listener_ctx *ctx;
1301 : struct spdk_nvmf_subsystem *subsystem;
1302 : struct spdk_nvmf_tgt *tgt;
1303 :
1304 0 : ctx = calloc(1, sizeof(*ctx));
1305 0 : if (!ctx) {
1306 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1307 : "Out of memory");
1308 0 : return;
1309 : }
1310 :
1311 0 : ctx->request = request;
1312 :
1313 0 : if (spdk_json_decode_object(params, nvmf_rpc_set_ana_state_decoder,
1314 : SPDK_COUNTOF(nvmf_rpc_set_ana_state_decoder),
1315 : ctx)) {
1316 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1317 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1318 : "Invalid parameters");
1319 0 : nvmf_rpc_listener_ctx_free(ctx);
1320 0 : return;
1321 : }
1322 :
1323 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1324 0 : if (!tgt) {
1325 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1326 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1327 : "Unable to find a target.");
1328 0 : nvmf_rpc_listener_ctx_free(ctx);
1329 0 : return;
1330 : }
1331 :
1332 0 : ctx->tgt = tgt;
1333 :
1334 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
1335 0 : if (!subsystem) {
1336 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
1337 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1338 : "Unable to find subsystem with NQN %s",
1339 : ctx->nqn);
1340 0 : nvmf_rpc_listener_ctx_free(ctx);
1341 0 : return;
1342 : }
1343 :
1344 0 : ctx->subsystem = subsystem;
1345 :
1346 0 : if (rpc_listen_address_to_trid(&ctx->address, &ctx->trid)) {
1347 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1348 : "Invalid parameters");
1349 0 : nvmf_rpc_listener_ctx_free(ctx);
1350 0 : return;
1351 : }
1352 :
1353 0 : if (rpc_ana_state_parse(ctx->ana_state_str, &ctx->ana_state)) {
1354 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1355 : "Invalid parameters");
1356 0 : nvmf_rpc_listener_ctx_free(ctx);
1357 0 : return;
1358 : }
1359 :
1360 0 : ctx->op = NVMF_RPC_LISTEN_SET_ANA_STATE;
1361 :
1362 0 : if (spdk_nvmf_subsystem_pause(subsystem, 0, nvmf_rpc_listen_paused, ctx)) {
1363 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1364 : "Internal error");
1365 0 : nvmf_rpc_listener_ctx_free(ctx);
1366 : }
1367 : }
1368 0 : SPDK_RPC_REGISTER("nvmf_subsystem_listener_set_ana_state",
1369 : rpc_nvmf_subsystem_listener_set_ana_state, SPDK_RPC_RUNTIME);
1370 :
1371 : struct nvmf_rpc_ns_params {
1372 : char *bdev_name;
1373 : char *ptpl_file;
1374 : uint32_t nsid;
1375 : char nguid[16];
1376 : char eui64[8];
1377 : struct spdk_uuid uuid;
1378 : uint32_t anagrpid;
1379 : bool no_auto_visible;
1380 : bool hide_metadata;
1381 : };
1382 :
1383 : static const struct spdk_json_object_decoder rpc_ns_params_decoders[] = {
1384 : {"nsid", offsetof(struct nvmf_rpc_ns_params, nsid), spdk_json_decode_uint32, true},
1385 : {"bdev_name", offsetof(struct nvmf_rpc_ns_params, bdev_name), spdk_json_decode_string},
1386 : {"ptpl_file", offsetof(struct nvmf_rpc_ns_params, ptpl_file), spdk_json_decode_string, true},
1387 : {"nguid", offsetof(struct nvmf_rpc_ns_params, nguid), decode_ns_nguid, true},
1388 : {"eui64", offsetof(struct nvmf_rpc_ns_params, eui64), decode_ns_eui64, true},
1389 : {"uuid", offsetof(struct nvmf_rpc_ns_params, uuid), spdk_json_decode_uuid, true},
1390 : {"anagrpid", offsetof(struct nvmf_rpc_ns_params, anagrpid), spdk_json_decode_uint32, true},
1391 : {"no_auto_visible", offsetof(struct nvmf_rpc_ns_params, no_auto_visible), spdk_json_decode_bool, true},
1392 : {"hide_metadata", offsetof(struct nvmf_rpc_ns_params, hide_metadata), spdk_json_decode_bool, true},
1393 : };
1394 :
1395 : static int
1396 0 : decode_rpc_ns_params(const struct spdk_json_val *val, void *out)
1397 : {
1398 0 : struct nvmf_rpc_ns_params *ns_params = out;
1399 :
1400 0 : return spdk_json_decode_object(val, rpc_ns_params_decoders,
1401 : SPDK_COUNTOF(rpc_ns_params_decoders),
1402 : ns_params);
1403 : }
1404 :
1405 : struct nvmf_rpc_ns_ctx {
1406 : char *nqn;
1407 : char *tgt_name;
1408 : struct nvmf_rpc_ns_params ns_params;
1409 :
1410 : struct spdk_jsonrpc_request *request;
1411 : const struct spdk_json_val *params;
1412 : bool response_sent;
1413 : };
1414 :
1415 : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_ns_decoder[] = {
1416 : {"nqn", offsetof(struct nvmf_rpc_ns_ctx, nqn), spdk_json_decode_string},
1417 : {"namespace", offsetof(struct nvmf_rpc_ns_ctx, ns_params), decode_rpc_ns_params},
1418 : {"tgt_name", offsetof(struct nvmf_rpc_ns_ctx, tgt_name), spdk_json_decode_string, true},
1419 : };
1420 :
1421 : static void
1422 0 : nvmf_rpc_ns_ctx_free(struct nvmf_rpc_ns_ctx *ctx)
1423 : {
1424 0 : free(ctx->nqn);
1425 0 : free(ctx->tgt_name);
1426 0 : free(ctx->ns_params.bdev_name);
1427 0 : free(ctx->ns_params.ptpl_file);
1428 0 : free(ctx);
1429 0 : }
1430 :
1431 : static void
1432 0 : nvmf_rpc_ns_failback_resumed(struct spdk_nvmf_subsystem *subsystem,
1433 : void *cb_arg, int status)
1434 : {
1435 0 : struct nvmf_rpc_ns_ctx *ctx = cb_arg;
1436 0 : struct spdk_jsonrpc_request *request = ctx->request;
1437 :
1438 0 : if (status) {
1439 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1440 : "Unable to add ns, subsystem in invalid state");
1441 : } else {
1442 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1443 : "Unable to add ns, subsystem in active state");
1444 : }
1445 :
1446 0 : nvmf_rpc_ns_ctx_free(ctx);
1447 0 : }
1448 :
1449 : static void
1450 0 : nvmf_rpc_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
1451 : void *cb_arg, int status)
1452 : {
1453 0 : struct nvmf_rpc_ns_ctx *ctx = cb_arg;
1454 0 : struct spdk_jsonrpc_request *request = ctx->request;
1455 0 : uint32_t nsid = ctx->ns_params.nsid;
1456 0 : bool response_sent = ctx->response_sent;
1457 : struct spdk_json_write_ctx *w;
1458 : int rc;
1459 :
1460 : /* The case where the call to add the namespace was successful, but the subsystem couldn't be resumed. */
1461 0 : if (status && !ctx->response_sent) {
1462 0 : rc = spdk_nvmf_subsystem_remove_ns(subsystem, nsid);
1463 0 : if (rc != 0) {
1464 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1465 : "Unable to add ns, subsystem in invalid state");
1466 0 : nvmf_rpc_ns_ctx_free(ctx);
1467 0 : return;
1468 : }
1469 :
1470 0 : rc = spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_failback_resumed, ctx);
1471 0 : if (rc != 0) {
1472 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1473 0 : nvmf_rpc_ns_ctx_free(ctx);
1474 0 : return;
1475 : }
1476 :
1477 0 : return;
1478 : }
1479 :
1480 0 : nvmf_rpc_ns_ctx_free(ctx);
1481 :
1482 0 : if (response_sent) {
1483 0 : return;
1484 : }
1485 :
1486 0 : w = spdk_jsonrpc_begin_result(request);
1487 0 : spdk_json_write_uint32(w, nsid);
1488 0 : spdk_jsonrpc_end_result(request, w);
1489 : }
1490 :
1491 : static void
1492 0 : nvmf_rpc_ns_paused(struct spdk_nvmf_subsystem *subsystem,
1493 : void *cb_arg, int status)
1494 : {
1495 0 : struct nvmf_rpc_ns_ctx *ctx = cb_arg;
1496 : struct spdk_nvmf_ns_opts ns_opts;
1497 :
1498 0 : spdk_nvmf_ns_opts_get_defaults(&ns_opts, sizeof(ns_opts));
1499 0 : ns_opts.nsid = ctx->ns_params.nsid;
1500 0 : ns_opts.transport_specific = ctx->params;
1501 :
1502 : SPDK_STATIC_ASSERT(sizeof(ns_opts.nguid) == sizeof(ctx->ns_params.nguid), "size mismatch");
1503 0 : memcpy(ns_opts.nguid, ctx->ns_params.nguid, sizeof(ns_opts.nguid));
1504 :
1505 : SPDK_STATIC_ASSERT(sizeof(ns_opts.eui64) == sizeof(ctx->ns_params.eui64), "size mismatch");
1506 0 : memcpy(ns_opts.eui64, ctx->ns_params.eui64, sizeof(ns_opts.eui64));
1507 :
1508 0 : if (!spdk_uuid_is_null(&ctx->ns_params.uuid)) {
1509 0 : ns_opts.uuid = ctx->ns_params.uuid;
1510 : }
1511 :
1512 0 : ns_opts.anagrpid = ctx->ns_params.anagrpid;
1513 0 : ns_opts.no_auto_visible = ctx->ns_params.no_auto_visible;
1514 0 : ns_opts.hide_metadata = ctx->ns_params.hide_metadata;
1515 :
1516 0 : ctx->ns_params.nsid = spdk_nvmf_subsystem_add_ns_ext(subsystem, ctx->ns_params.bdev_name,
1517 : &ns_opts, sizeof(ns_opts),
1518 0 : ctx->ns_params.ptpl_file);
1519 0 : if (ctx->ns_params.nsid == 0) {
1520 0 : SPDK_ERRLOG("Unable to add namespace\n");
1521 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1522 : "Invalid parameters");
1523 0 : ctx->response_sent = true;
1524 0 : goto resume;
1525 : }
1526 :
1527 0 : resume:
1528 0 : if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_resumed, ctx)) {
1529 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1530 0 : nvmf_rpc_ns_ctx_free(ctx);
1531 : }
1532 0 : }
1533 :
1534 : static void
1535 0 : rpc_nvmf_subsystem_add_ns(struct spdk_jsonrpc_request *request,
1536 : const struct spdk_json_val *params)
1537 : {
1538 : struct nvmf_rpc_ns_ctx *ctx;
1539 : struct spdk_nvmf_subsystem *subsystem;
1540 : struct spdk_nvmf_tgt *tgt;
1541 : int rc;
1542 :
1543 0 : ctx = calloc(1, sizeof(*ctx));
1544 0 : if (!ctx) {
1545 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
1546 0 : return;
1547 : }
1548 :
1549 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_subsystem_ns_decoder,
1550 : SPDK_COUNTOF(nvmf_rpc_subsystem_ns_decoder), ctx)) {
1551 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1552 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1553 0 : nvmf_rpc_ns_ctx_free(ctx);
1554 0 : return;
1555 : }
1556 :
1557 0 : ctx->request = request;
1558 0 : ctx->params = params;
1559 0 : ctx->response_sent = false;
1560 :
1561 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1562 0 : if (!tgt) {
1563 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1564 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1565 : "Unable to find a target.");
1566 0 : nvmf_rpc_ns_ctx_free(ctx);
1567 0 : return;
1568 : }
1569 :
1570 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
1571 0 : if (!subsystem) {
1572 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
1573 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1574 0 : nvmf_rpc_ns_ctx_free(ctx);
1575 0 : return;
1576 : }
1577 :
1578 0 : rc = spdk_nvmf_subsystem_pause(subsystem, ctx->ns_params.nsid, nvmf_rpc_ns_paused, ctx);
1579 0 : if (rc != 0) {
1580 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1581 0 : nvmf_rpc_ns_ctx_free(ctx);
1582 : }
1583 : }
1584 0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_ns", rpc_nvmf_subsystem_add_ns, SPDK_RPC_RUNTIME)
1585 :
1586 : struct nvmf_rpc_ana_group_ctx {
1587 : char *nqn;
1588 : char *tgt_name;
1589 : uint32_t nsid;
1590 : uint32_t anagrpid;
1591 :
1592 : struct spdk_jsonrpc_request *request;
1593 : bool response_sent;
1594 : };
1595 :
1596 : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_ana_group_decoder[] = {
1597 : {"nqn", offsetof(struct nvmf_rpc_ana_group_ctx, nqn), spdk_json_decode_string},
1598 : {"nsid", offsetof(struct nvmf_rpc_ana_group_ctx, nsid), spdk_json_decode_uint32},
1599 : {"anagrpid", offsetof(struct nvmf_rpc_ana_group_ctx, anagrpid), spdk_json_decode_uint32},
1600 : {"tgt_name", offsetof(struct nvmf_rpc_ana_group_ctx, tgt_name), spdk_json_decode_string, true},
1601 : };
1602 :
1603 : static void
1604 0 : nvmf_rpc_ana_group_ctx_free(struct nvmf_rpc_ana_group_ctx *ctx)
1605 : {
1606 0 : free(ctx->nqn);
1607 0 : free(ctx->tgt_name);
1608 0 : free(ctx);
1609 0 : }
1610 :
1611 : static void
1612 0 : nvmf_rpc_anagrpid_resumed(struct spdk_nvmf_subsystem *subsystem,
1613 : void *cb_arg, int status)
1614 : {
1615 0 : struct nvmf_rpc_ana_group_ctx *ctx = cb_arg;
1616 0 : struct spdk_jsonrpc_request *request = ctx->request;
1617 0 : bool response_sent = ctx->response_sent;
1618 :
1619 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1620 :
1621 0 : if (response_sent) {
1622 0 : return;
1623 : }
1624 :
1625 0 : spdk_jsonrpc_send_bool_response(request, true);
1626 : }
1627 :
1628 : static void
1629 0 : nvmf_rpc_ana_group(struct spdk_nvmf_subsystem *subsystem,
1630 : void *cb_arg, int status)
1631 : {
1632 0 : struct nvmf_rpc_ana_group_ctx *ctx = cb_arg;
1633 : int rc;
1634 :
1635 0 : rc = spdk_nvmf_subsystem_set_ns_ana_group(subsystem, ctx->nsid, ctx->anagrpid);
1636 0 : if (rc != 0) {
1637 0 : SPDK_ERRLOG("Unable to change ANA group ID\n");
1638 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1639 : "Invalid parameters");
1640 0 : ctx->response_sent = true;
1641 : }
1642 :
1643 0 : if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_anagrpid_resumed, ctx)) {
1644 0 : if (!ctx->response_sent) {
1645 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1646 : "Internal error");
1647 : }
1648 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1649 : }
1650 0 : }
1651 :
1652 : static void
1653 0 : rpc_nvmf_subsystem_set_ns_ana_group(struct spdk_jsonrpc_request *request,
1654 : const struct spdk_json_val *params)
1655 : {
1656 : struct nvmf_rpc_ana_group_ctx *ctx;
1657 : struct spdk_nvmf_subsystem *subsystem;
1658 : struct spdk_nvmf_tgt *tgt;
1659 : int rc;
1660 :
1661 0 : ctx = calloc(1, sizeof(*ctx));
1662 0 : if (!ctx) {
1663 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
1664 0 : return;
1665 : }
1666 :
1667 0 : if (spdk_json_decode_object(params, nvmf_rpc_subsystem_ana_group_decoder,
1668 : SPDK_COUNTOF(nvmf_rpc_subsystem_ana_group_decoder), ctx)) {
1669 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1670 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1671 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1672 0 : return;
1673 : }
1674 :
1675 0 : ctx->request = request;
1676 0 : ctx->response_sent = false;
1677 :
1678 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1679 0 : if (!tgt) {
1680 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1681 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1682 : "Unable to find a target.");
1683 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1684 0 : return;
1685 : }
1686 :
1687 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
1688 0 : if (!subsystem) {
1689 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
1690 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1691 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1692 0 : return;
1693 : }
1694 :
1695 0 : rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_ana_group, ctx);
1696 0 : if (rc != 0) {
1697 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1698 0 : nvmf_rpc_ana_group_ctx_free(ctx);
1699 : }
1700 : }
1701 0 : SPDK_RPC_REGISTER("nvmf_subsystem_set_ns_ana_group", rpc_nvmf_subsystem_set_ns_ana_group,
1702 : SPDK_RPC_RUNTIME)
1703 :
1704 : struct nvmf_rpc_remove_ns_ctx {
1705 : char *nqn;
1706 : char *tgt_name;
1707 : uint32_t nsid;
1708 :
1709 : struct spdk_jsonrpc_request *request;
1710 : bool response_sent;
1711 : };
1712 :
1713 : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_remove_ns_decoder[] = {
1714 : {"nqn", offsetof(struct nvmf_rpc_remove_ns_ctx, nqn), spdk_json_decode_string},
1715 : {"nsid", offsetof(struct nvmf_rpc_remove_ns_ctx, nsid), spdk_json_decode_uint32},
1716 : {"tgt_name", offsetof(struct nvmf_rpc_remove_ns_ctx, tgt_name), spdk_json_decode_string, true},
1717 : };
1718 :
1719 : static void
1720 0 : nvmf_rpc_remove_ns_ctx_free(struct nvmf_rpc_remove_ns_ctx *ctx)
1721 : {
1722 0 : free(ctx->nqn);
1723 0 : free(ctx->tgt_name);
1724 0 : free(ctx);
1725 0 : }
1726 :
1727 : static void
1728 0 : nvmf_rpc_remove_ns_resumed(struct spdk_nvmf_subsystem *subsystem,
1729 : void *cb_arg, int status)
1730 : {
1731 0 : struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
1732 0 : struct spdk_jsonrpc_request *request = ctx->request;
1733 0 : bool response_sent = ctx->response_sent;
1734 :
1735 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1736 :
1737 0 : if (response_sent) {
1738 0 : return;
1739 : }
1740 :
1741 0 : spdk_jsonrpc_send_bool_response(request, true);
1742 : }
1743 :
1744 : static void
1745 0 : nvmf_rpc_remove_ns_paused(struct spdk_nvmf_subsystem *subsystem,
1746 : void *cb_arg, int status)
1747 : {
1748 0 : struct nvmf_rpc_remove_ns_ctx *ctx = cb_arg;
1749 : int ret;
1750 :
1751 0 : ret = spdk_nvmf_subsystem_remove_ns(subsystem, ctx->nsid);
1752 0 : if (ret < 0) {
1753 0 : SPDK_ERRLOG("Unable to remove namespace ID %u\n", ctx->nsid);
1754 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1755 : "Invalid parameters");
1756 0 : ctx->response_sent = true;
1757 : }
1758 :
1759 0 : if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_remove_ns_resumed, ctx)) {
1760 0 : if (!ctx->response_sent) {
1761 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1762 : }
1763 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1764 : }
1765 0 : }
1766 :
1767 : static void
1768 0 : rpc_nvmf_subsystem_remove_ns(struct spdk_jsonrpc_request *request,
1769 : const struct spdk_json_val *params)
1770 : {
1771 : struct nvmf_rpc_remove_ns_ctx *ctx;
1772 : struct spdk_nvmf_subsystem *subsystem;
1773 : struct spdk_nvmf_tgt *tgt;
1774 : int rc;
1775 :
1776 0 : ctx = calloc(1, sizeof(*ctx));
1777 0 : if (!ctx) {
1778 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
1779 0 : return;
1780 : }
1781 :
1782 0 : if (spdk_json_decode_object(params, nvmf_rpc_subsystem_remove_ns_decoder,
1783 : SPDK_COUNTOF(nvmf_rpc_subsystem_remove_ns_decoder),
1784 : ctx)) {
1785 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1786 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1787 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1788 0 : return;
1789 : }
1790 :
1791 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1792 0 : if (!tgt) {
1793 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1794 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1795 : "Unable to find a target.");
1796 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1797 0 : return;
1798 : }
1799 :
1800 0 : ctx->request = request;
1801 0 : ctx->response_sent = false;
1802 :
1803 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
1804 0 : if (!subsystem) {
1805 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
1806 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1807 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1808 0 : return;
1809 : }
1810 :
1811 0 : rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_remove_ns_paused, ctx);
1812 0 : if (rc != 0) {
1813 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1814 0 : nvmf_rpc_remove_ns_ctx_free(ctx);
1815 : }
1816 : }
1817 0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_ns", rpc_nvmf_subsystem_remove_ns, SPDK_RPC_RUNTIME)
1818 :
1819 : struct nvmf_rpc_ns_visible_ctx {
1820 : struct spdk_jsonrpc_request *request;
1821 : char *nqn;
1822 : uint32_t nsid;
1823 : char *host;
1824 : char *tgt_name;
1825 : bool visible;
1826 : bool response_sent;
1827 : };
1828 :
1829 : static const struct spdk_json_object_decoder nvmf_rpc_ns_visible_decoder[] = {
1830 : {"nqn", offsetof(struct nvmf_rpc_ns_visible_ctx, nqn), spdk_json_decode_string},
1831 : {"nsid", offsetof(struct nvmf_rpc_ns_visible_ctx, nsid), spdk_json_decode_uint32},
1832 : {"host", offsetof(struct nvmf_rpc_ns_visible_ctx, host), spdk_json_decode_string},
1833 : {"tgt_name", offsetof(struct nvmf_rpc_ns_visible_ctx, tgt_name), spdk_json_decode_string, true},
1834 : };
1835 :
1836 : static void
1837 0 : nvmf_rpc_ns_visible_ctx_free(struct nvmf_rpc_ns_visible_ctx *ctx)
1838 : {
1839 0 : free(ctx->nqn);
1840 0 : free(ctx->host);
1841 0 : free(ctx->tgt_name);
1842 0 : free(ctx);
1843 0 : }
1844 :
1845 : static void
1846 0 : nvmf_rpc_ns_visible_resumed(struct spdk_nvmf_subsystem *subsystem,
1847 : void *cb_arg, int status)
1848 : {
1849 0 : struct nvmf_rpc_ns_visible_ctx *ctx = cb_arg;
1850 0 : struct spdk_jsonrpc_request *request = ctx->request;
1851 0 : bool response_sent = ctx->response_sent;
1852 :
1853 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1854 :
1855 0 : if (!response_sent) {
1856 0 : spdk_jsonrpc_send_bool_response(request, true);
1857 : }
1858 0 : }
1859 :
1860 : static void
1861 0 : nvmf_rpc_ns_visible_paused(struct spdk_nvmf_subsystem *subsystem,
1862 : void *cb_arg, int status)
1863 : {
1864 0 : struct nvmf_rpc_ns_visible_ctx *ctx = cb_arg;
1865 : int ret;
1866 :
1867 0 : if (ctx->visible) {
1868 0 : ret = spdk_nvmf_ns_add_host(subsystem, ctx->nsid, ctx->host, 0);
1869 : } else {
1870 0 : ret = spdk_nvmf_ns_remove_host(subsystem, ctx->nsid, ctx->host, 0);
1871 : }
1872 0 : if (ret < 0) {
1873 0 : SPDK_ERRLOG("Unable to add/remove %s to namespace ID %u\n", ctx->host, ctx->nsid);
1874 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
1875 : "Invalid parameters");
1876 0 : ctx->response_sent = true;
1877 : }
1878 :
1879 0 : if (spdk_nvmf_subsystem_resume(subsystem, nvmf_rpc_ns_visible_resumed, ctx)) {
1880 0 : if (!ctx->response_sent) {
1881 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1882 : }
1883 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1884 : }
1885 0 : }
1886 :
1887 : static void
1888 0 : nvmf_rpc_ns_visible(struct spdk_jsonrpc_request *request,
1889 : const struct spdk_json_val *params,
1890 : bool visible)
1891 : {
1892 : struct nvmf_rpc_ns_visible_ctx *ctx;
1893 : struct spdk_nvmf_subsystem *subsystem;
1894 : struct spdk_nvmf_tgt *tgt;
1895 : int rc;
1896 :
1897 0 : ctx = calloc(1, sizeof(*ctx));
1898 0 : if (!ctx) {
1899 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
1900 0 : return;
1901 : }
1902 0 : ctx->visible = visible;
1903 :
1904 0 : if (spdk_json_decode_object(params, nvmf_rpc_ns_visible_decoder,
1905 : SPDK_COUNTOF(nvmf_rpc_ns_visible_decoder),
1906 : ctx)) {
1907 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1908 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1909 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1910 0 : return;
1911 : }
1912 0 : ctx->request = request;
1913 :
1914 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
1915 0 : if (!tgt) {
1916 0 : SPDK_ERRLOG("Unable to find a target object.\n");
1917 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
1918 : "Unable to find a target.");
1919 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1920 0 : return;
1921 : }
1922 :
1923 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
1924 0 : if (!subsystem) {
1925 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
1926 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1927 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1928 0 : return;
1929 : }
1930 :
1931 0 : rc = spdk_nvmf_subsystem_pause(subsystem, ctx->nsid, nvmf_rpc_ns_visible_paused, ctx);
1932 0 : if (rc != 0) {
1933 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
1934 0 : nvmf_rpc_ns_visible_ctx_free(ctx);
1935 : }
1936 : }
1937 :
1938 : static void
1939 0 : rpc_nvmf_ns_add_host(struct spdk_jsonrpc_request *request,
1940 : const struct spdk_json_val *params)
1941 : {
1942 0 : nvmf_rpc_ns_visible(request, params, true);
1943 0 : }
1944 0 : SPDK_RPC_REGISTER("nvmf_ns_add_host", rpc_nvmf_ns_add_host, SPDK_RPC_RUNTIME)
1945 :
1946 : static void
1947 0 : rpc_nvmf_ns_remove_host(struct spdk_jsonrpc_request *request,
1948 : const struct spdk_json_val *params)
1949 : {
1950 0 : nvmf_rpc_ns_visible(request, params, false);
1951 0 : }
1952 0 : SPDK_RPC_REGISTER("nvmf_ns_remove_host", rpc_nvmf_ns_remove_host, SPDK_RPC_RUNTIME)
1953 :
1954 : struct nvmf_rpc_host_ctx {
1955 : struct spdk_jsonrpc_request *request;
1956 : char *nqn;
1957 : char *host;
1958 : char *tgt_name;
1959 : char *dhchap_key;
1960 : char *dhchap_ctrlr_key;
1961 : bool allow_any_host;
1962 : };
1963 :
1964 : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_host_decoder[] = {
1965 : {"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
1966 : {"host", offsetof(struct nvmf_rpc_host_ctx, host), spdk_json_decode_string},
1967 : {"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
1968 : {"dhchap_key", offsetof(struct nvmf_rpc_host_ctx, dhchap_key), spdk_json_decode_string, true},
1969 : {"dhchap_ctrlr_key", offsetof(struct nvmf_rpc_host_ctx, dhchap_ctrlr_key), spdk_json_decode_string, true},
1970 : };
1971 :
1972 : static void
1973 0 : nvmf_rpc_host_ctx_free(struct nvmf_rpc_host_ctx *ctx)
1974 : {
1975 0 : free(ctx->nqn);
1976 0 : free(ctx->host);
1977 0 : free(ctx->tgt_name);
1978 0 : free(ctx->dhchap_key);
1979 0 : free(ctx->dhchap_ctrlr_key);
1980 0 : }
1981 :
1982 : static void
1983 0 : rpc_nvmf_subsystem_add_host(struct spdk_jsonrpc_request *request,
1984 : const struct spdk_json_val *params)
1985 : {
1986 0 : struct nvmf_rpc_host_ctx ctx = {};
1987 : struct spdk_nvmf_subsystem *subsystem;
1988 0 : struct spdk_nvmf_host_opts opts = {};
1989 : struct spdk_nvmf_tgt *tgt;
1990 0 : struct spdk_key *key = NULL, *ckey = NULL;
1991 : int rc;
1992 :
1993 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_subsystem_host_decoder,
1994 : SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
1995 : &ctx)) {
1996 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
1997 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
1998 0 : goto out;
1999 : }
2000 :
2001 0 : tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
2002 0 : if (!tgt) {
2003 0 : SPDK_ERRLOG("Unable to find a target object.\n");
2004 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2005 : "Unable to find a target.");
2006 0 : goto out;
2007 : }
2008 :
2009 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
2010 0 : if (!subsystem) {
2011 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
2012 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2013 0 : goto out;
2014 : }
2015 :
2016 0 : if (ctx.dhchap_key != NULL) {
2017 0 : key = spdk_keyring_get_key(ctx.dhchap_key);
2018 0 : if (key == NULL) {
2019 0 : SPDK_ERRLOG("Unable to find DH-HMAC-CHAP key: %s\n", ctx.dhchap_key);
2020 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2021 : "Invalid parameters");
2022 0 : goto out;
2023 : }
2024 : }
2025 :
2026 0 : if (ctx.dhchap_ctrlr_key != NULL) {
2027 0 : ckey = spdk_keyring_get_key(ctx.dhchap_ctrlr_key);
2028 0 : if (ckey == NULL) {
2029 0 : SPDK_ERRLOG("Unable to find DH-HMAC-CHAP ctrlr key: %s\n",
2030 : ctx.dhchap_ctrlr_key);
2031 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2032 : "Invalid parameters");
2033 0 : goto out;
2034 : }
2035 : }
2036 :
2037 0 : opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
2038 0 : opts.params = params;
2039 0 : opts.dhchap_key = key;
2040 0 : opts.dhchap_ctrlr_key = ckey;
2041 0 : rc = spdk_nvmf_subsystem_add_host_ext(subsystem, ctx.host, &opts);
2042 0 : if (rc != 0) {
2043 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
2044 0 : goto out;
2045 : }
2046 :
2047 0 : spdk_jsonrpc_send_bool_response(request, true);
2048 0 : out:
2049 0 : spdk_keyring_put_key(ckey);
2050 0 : spdk_keyring_put_key(key);
2051 0 : nvmf_rpc_host_ctx_free(&ctx);
2052 0 : }
2053 0 : SPDK_RPC_REGISTER("nvmf_subsystem_add_host", rpc_nvmf_subsystem_add_host, SPDK_RPC_RUNTIME)
2054 :
2055 : static void
2056 0 : rpc_nvmf_subsystem_remove_host_done(void *_ctx, int status)
2057 : {
2058 0 : struct nvmf_rpc_host_ctx *ctx = _ctx;
2059 :
2060 0 : spdk_jsonrpc_send_bool_response(ctx->request, true);
2061 0 : nvmf_rpc_host_ctx_free(ctx);
2062 0 : free(ctx);
2063 0 : }
2064 :
2065 : static void
2066 0 : rpc_nvmf_subsystem_remove_host(struct spdk_jsonrpc_request *request,
2067 : const struct spdk_json_val *params)
2068 : {
2069 : struct nvmf_rpc_host_ctx *ctx;
2070 : struct spdk_nvmf_subsystem *subsystem;
2071 : struct spdk_nvmf_tgt *tgt;
2072 : int rc;
2073 :
2074 0 : ctx = calloc(1, sizeof(*ctx));
2075 0 : if (ctx == NULL) {
2076 0 : SPDK_ERRLOG("Unable to allocate context to perform RPC\n");
2077 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
2078 0 : return;
2079 : }
2080 :
2081 0 : ctx->request = request;
2082 :
2083 0 : if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
2084 : SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder),
2085 : ctx)) {
2086 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2087 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2088 0 : nvmf_rpc_host_ctx_free(ctx);
2089 0 : free(ctx);
2090 0 : return;
2091 : }
2092 :
2093 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
2094 0 : if (!tgt) {
2095 0 : SPDK_ERRLOG("Unable to find a target object.\n");
2096 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2097 : "Unable to find a target.");
2098 0 : nvmf_rpc_host_ctx_free(ctx);
2099 0 : free(ctx);
2100 0 : return;
2101 : }
2102 :
2103 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
2104 0 : if (!subsystem) {
2105 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
2106 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2107 0 : nvmf_rpc_host_ctx_free(ctx);
2108 0 : free(ctx);
2109 0 : return;
2110 : }
2111 :
2112 0 : rc = spdk_nvmf_subsystem_remove_host(subsystem, ctx->host);
2113 0 : if (rc != 0) {
2114 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
2115 0 : nvmf_rpc_host_ctx_free(ctx);
2116 0 : free(ctx);
2117 0 : return;
2118 : }
2119 :
2120 0 : rc = spdk_nvmf_subsystem_disconnect_host(subsystem, ctx->host,
2121 : rpc_nvmf_subsystem_remove_host_done,
2122 : ctx);
2123 0 : if (rc != 0) {
2124 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
2125 0 : nvmf_rpc_host_ctx_free(ctx);
2126 0 : free(ctx);
2127 0 : return;
2128 : }
2129 : }
2130 0 : SPDK_RPC_REGISTER("nvmf_subsystem_remove_host", rpc_nvmf_subsystem_remove_host,
2131 : SPDK_RPC_RUNTIME)
2132 :
2133 : static void
2134 0 : rpc_nvmf_subsystem_set_keys(struct spdk_jsonrpc_request *request,
2135 : const struct spdk_json_val *params)
2136 : {
2137 0 : struct nvmf_rpc_host_ctx ctx = {};
2138 : struct spdk_nvmf_subsystem *subsystem;
2139 0 : struct spdk_nvmf_subsystem_key_opts opts = {};
2140 : struct spdk_nvmf_tgt *tgt;
2141 0 : struct spdk_key *key = NULL, *ckey = NULL;
2142 : int rc;
2143 :
2144 0 : if (spdk_json_decode_object(params, nvmf_rpc_subsystem_host_decoder,
2145 : SPDK_COUNTOF(nvmf_rpc_subsystem_host_decoder), &ctx)) {
2146 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2147 : "Invalid parameters");
2148 0 : goto out;
2149 : }
2150 :
2151 0 : tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
2152 0 : if (!tgt) {
2153 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2154 : "Invalid parameters");
2155 0 : goto out;
2156 : }
2157 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
2158 0 : if (!subsystem) {
2159 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2160 : "Invalid parameters");
2161 0 : goto out;
2162 : }
2163 :
2164 0 : if (ctx.dhchap_key != NULL) {
2165 0 : key = spdk_keyring_get_key(ctx.dhchap_key);
2166 0 : if (key == NULL) {
2167 0 : SPDK_ERRLOG("Unable to find DH-HMAC-CHAP key: %s\n", ctx.dhchap_key);
2168 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2169 : "Invalid parameters");
2170 0 : goto out;
2171 : }
2172 : }
2173 0 : if (ctx.dhchap_ctrlr_key != NULL) {
2174 0 : ckey = spdk_keyring_get_key(ctx.dhchap_ctrlr_key);
2175 0 : if (ckey == NULL) {
2176 0 : SPDK_ERRLOG("Unable to find DH-HMAC-CHAP ctrlr key: %s\n",
2177 : ctx.dhchap_ctrlr_key);
2178 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2179 : "Invalid parameters");
2180 0 : goto out;
2181 : }
2182 : }
2183 :
2184 0 : opts.size = SPDK_SIZEOF(&opts, dhchap_ctrlr_key);
2185 0 : opts.dhchap_key = key;
2186 0 : opts.dhchap_ctrlr_key = ckey;
2187 0 : rc = spdk_nvmf_subsystem_set_keys(subsystem, ctx.host, &opts);
2188 0 : if (rc != 0) {
2189 0 : spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
2190 0 : goto out;
2191 : }
2192 :
2193 0 : spdk_jsonrpc_send_bool_response(request, true);
2194 0 : out:
2195 0 : spdk_keyring_put_key(ckey);
2196 0 : spdk_keyring_put_key(key);
2197 0 : nvmf_rpc_host_ctx_free(&ctx);
2198 0 : }
2199 0 : SPDK_RPC_REGISTER("nvmf_subsystem_set_keys", rpc_nvmf_subsystem_set_keys, SPDK_RPC_RUNTIME)
2200 :
2201 : static const struct spdk_json_object_decoder nvmf_rpc_subsystem_any_host_decoder[] = {
2202 : {"nqn", offsetof(struct nvmf_rpc_host_ctx, nqn), spdk_json_decode_string},
2203 : {"allow_any_host", offsetof(struct nvmf_rpc_host_ctx, allow_any_host), spdk_json_decode_bool},
2204 : {"tgt_name", offsetof(struct nvmf_rpc_host_ctx, tgt_name), spdk_json_decode_string, true},
2205 : };
2206 :
2207 : static void
2208 0 : rpc_nvmf_subsystem_allow_any_host(struct spdk_jsonrpc_request *request,
2209 : const struct spdk_json_val *params)
2210 : {
2211 0 : struct nvmf_rpc_host_ctx ctx = {};
2212 : struct spdk_nvmf_subsystem *subsystem;
2213 : struct spdk_nvmf_tgt *tgt;
2214 : int rc;
2215 :
2216 0 : if (spdk_json_decode_object(params, nvmf_rpc_subsystem_any_host_decoder,
2217 : SPDK_COUNTOF(nvmf_rpc_subsystem_any_host_decoder),
2218 : &ctx)) {
2219 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2220 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2221 0 : nvmf_rpc_host_ctx_free(&ctx);
2222 0 : return;
2223 : }
2224 :
2225 0 : tgt = spdk_nvmf_get_tgt(ctx.tgt_name);
2226 0 : if (!tgt) {
2227 0 : SPDK_ERRLOG("Unable to find a target object.\n");
2228 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2229 : "Unable to find a target.");
2230 0 : nvmf_rpc_host_ctx_free(&ctx);
2231 0 : return;
2232 : }
2233 :
2234 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx.nqn);
2235 0 : if (!subsystem) {
2236 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx.nqn);
2237 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2238 0 : nvmf_rpc_host_ctx_free(&ctx);
2239 0 : return;
2240 : }
2241 :
2242 0 : rc = spdk_nvmf_subsystem_set_allow_any_host(subsystem, ctx.allow_any_host);
2243 0 : if (rc != 0) {
2244 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Internal error");
2245 0 : nvmf_rpc_host_ctx_free(&ctx);
2246 0 : return;
2247 : }
2248 :
2249 0 : spdk_jsonrpc_send_bool_response(request, true);
2250 0 : nvmf_rpc_host_ctx_free(&ctx);
2251 : }
2252 0 : SPDK_RPC_REGISTER("nvmf_subsystem_allow_any_host", rpc_nvmf_subsystem_allow_any_host,
2253 : SPDK_RPC_RUNTIME)
2254 :
2255 : struct nvmf_rpc_target_ctx {
2256 : char *name;
2257 : uint32_t max_subsystems;
2258 : char *discovery_filter;
2259 : };
2260 :
2261 : static int
2262 0 : decode_discovery_filter(const struct spdk_json_val *val, void *out)
2263 : {
2264 0 : uint32_t *_filter = out;
2265 0 : uint32_t filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
2266 0 : char *tokens = spdk_json_strdup(val);
2267 : char *tok;
2268 0 : int rc = -EINVAL;
2269 0 : bool all_specified = false;
2270 :
2271 0 : if (!tokens) {
2272 0 : return -ENOMEM;
2273 : }
2274 :
2275 0 : tok = strtok(tokens, ",");
2276 0 : while (tok) {
2277 0 : if (strncmp(tok, "match_any", 9) == 0) {
2278 0 : if (filter != SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY) {
2279 0 : goto out;
2280 : }
2281 0 : filter = SPDK_NVMF_TGT_DISCOVERY_MATCH_ANY;
2282 0 : all_specified = true;
2283 : } else {
2284 0 : if (all_specified) {
2285 0 : goto out;
2286 : }
2287 0 : if (strncmp(tok, "transport", 9) == 0) {
2288 0 : filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_TYPE;
2289 0 : } else if (strncmp(tok, "address", 7) == 0) {
2290 0 : filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_ADDRESS;
2291 0 : } else if (strncmp(tok, "svcid", 5) == 0) {
2292 0 : filter |= SPDK_NVMF_TGT_DISCOVERY_MATCH_TRANSPORT_SVCID;
2293 : } else {
2294 0 : SPDK_ERRLOG("Invalid value %s\n", tok);
2295 0 : goto out;
2296 : }
2297 : }
2298 :
2299 0 : tok = strtok(NULL, ",");
2300 : }
2301 :
2302 0 : rc = 0;
2303 0 : *_filter = filter;
2304 :
2305 0 : out:
2306 0 : free(tokens);
2307 :
2308 0 : return rc;
2309 : }
2310 :
2311 : static const struct spdk_json_object_decoder nvmf_rpc_create_target_decoder[] = {
2312 : {"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
2313 : {"max_subsystems", offsetof(struct nvmf_rpc_target_ctx, max_subsystems), spdk_json_decode_uint32, true},
2314 : {"discovery_filter", offsetof(struct nvmf_rpc_target_ctx, discovery_filter), decode_discovery_filter, true}
2315 : };
2316 :
2317 : static void
2318 0 : rpc_nvmf_create_target(struct spdk_jsonrpc_request *request,
2319 : const struct spdk_json_val *params)
2320 : {
2321 : struct spdk_nvmf_target_opts opts;
2322 0 : struct nvmf_rpc_target_ctx ctx = {0};
2323 : struct spdk_nvmf_tgt *tgt;
2324 : struct spdk_json_write_ctx *w;
2325 :
2326 : /* Decode parameters the first time to get the transport type */
2327 0 : if (spdk_json_decode_object(params, nvmf_rpc_create_target_decoder,
2328 : SPDK_COUNTOF(nvmf_rpc_create_target_decoder),
2329 : &ctx)) {
2330 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2331 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2332 0 : goto out;
2333 : }
2334 :
2335 0 : snprintf(opts.name, NVMF_TGT_NAME_MAX_LENGTH, "%s", ctx.name);
2336 0 : opts.max_subsystems = ctx.max_subsystems;
2337 0 : opts.size = SPDK_SIZEOF(&opts, discovery_filter);
2338 :
2339 0 : if (spdk_nvmf_get_tgt(opts.name) != NULL) {
2340 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2341 : "Target already exists.");
2342 0 : goto out;
2343 : }
2344 :
2345 0 : tgt = spdk_nvmf_tgt_create(&opts);
2346 :
2347 0 : if (tgt == NULL) {
2348 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2349 : "Unable to create the requested target.");
2350 0 : goto out;
2351 : }
2352 :
2353 0 : w = spdk_jsonrpc_begin_result(request);
2354 0 : spdk_json_write_string(w, spdk_nvmf_tgt_get_name(tgt));
2355 0 : spdk_jsonrpc_end_result(request, w);
2356 0 : out:
2357 0 : free(ctx.name);
2358 0 : free(ctx.discovery_filter);
2359 0 : }
2360 0 : /* private */ SPDK_RPC_REGISTER("nvmf_create_target", rpc_nvmf_create_target, SPDK_RPC_RUNTIME);
2361 :
2362 : static const struct spdk_json_object_decoder nvmf_rpc_destroy_target_decoder[] = {
2363 : {"name", offsetof(struct nvmf_rpc_target_ctx, name), spdk_json_decode_string},
2364 : };
2365 :
2366 : static void
2367 0 : nvmf_rpc_destroy_target_done(void *ctx, int status)
2368 : {
2369 0 : struct spdk_jsonrpc_request *request = ctx;
2370 :
2371 0 : spdk_jsonrpc_send_bool_response(request, true);
2372 0 : }
2373 :
2374 : static void
2375 0 : rpc_nvmf_delete_target(struct spdk_jsonrpc_request *request,
2376 : const struct spdk_json_val *params)
2377 : {
2378 0 : struct nvmf_rpc_target_ctx ctx = {0};
2379 : struct spdk_nvmf_tgt *tgt;
2380 :
2381 : /* Decode parameters the first time to get the transport type */
2382 0 : if (spdk_json_decode_object(params, nvmf_rpc_destroy_target_decoder,
2383 : SPDK_COUNTOF(nvmf_rpc_destroy_target_decoder),
2384 : &ctx)) {
2385 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2386 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2387 0 : free(ctx.name);
2388 0 : return;
2389 : }
2390 :
2391 0 : tgt = spdk_nvmf_get_tgt(ctx.name);
2392 :
2393 0 : if (tgt == NULL) {
2394 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2395 : "The specified target doesn't exist, cannot delete it.");
2396 0 : free(ctx.name);
2397 0 : return;
2398 : }
2399 :
2400 0 : spdk_nvmf_tgt_destroy(tgt, nvmf_rpc_destroy_target_done, request);
2401 0 : free(ctx.name);
2402 : }
2403 0 : /* private */ SPDK_RPC_REGISTER("nvmf_delete_target", rpc_nvmf_delete_target, SPDK_RPC_RUNTIME);
2404 :
2405 : static void
2406 0 : rpc_nvmf_get_targets(struct spdk_jsonrpc_request *request,
2407 : const struct spdk_json_val *params)
2408 : {
2409 : struct spdk_json_write_ctx *w;
2410 : struct spdk_nvmf_tgt *tgt;
2411 : const char *name;
2412 :
2413 0 : if (params != NULL) {
2414 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2415 : "nvmf_get_targets has no parameters.");
2416 0 : return;
2417 : }
2418 :
2419 0 : w = spdk_jsonrpc_begin_result(request);
2420 0 : spdk_json_write_array_begin(w);
2421 :
2422 0 : tgt = spdk_nvmf_get_first_tgt();
2423 :
2424 0 : while (tgt != NULL) {
2425 0 : name = spdk_nvmf_tgt_get_name(tgt);
2426 0 : spdk_json_write_string(w, name);
2427 0 : tgt = spdk_nvmf_get_next_tgt(tgt);
2428 : }
2429 :
2430 0 : spdk_json_write_array_end(w);
2431 0 : spdk_jsonrpc_end_result(request, w);
2432 : }
2433 0 : /* private */ SPDK_RPC_REGISTER("nvmf_get_targets", rpc_nvmf_get_targets, SPDK_RPC_RUNTIME);
2434 :
2435 : struct nvmf_rpc_create_transport_ctx {
2436 : char *trtype;
2437 : char *tgt_name;
2438 : struct spdk_nvmf_transport_opts opts;
2439 : struct spdk_jsonrpc_request *request;
2440 : struct spdk_nvmf_transport *transport;
2441 : int status;
2442 : };
2443 :
2444 : /**
2445 : * `max_qpairs_per_ctrlr` represents both admin and IO qpairs, that confuses
2446 : * users when they configure a transport using RPC. So it was decided to
2447 : * deprecate `max_qpairs_per_ctrlr` RPC parameter and use `max_io_qpairs_per_ctrlr`
2448 : * But internal logic remains unchanged and SPDK expects that
2449 : * spdk_nvmf_transport_opts::max_qpairs_per_ctrlr includes an admin qpair.
2450 : * This function parses the number of IO qpairs and adds +1 for admin qpair.
2451 : */
2452 : static int
2453 0 : nvmf_rpc_decode_max_io_qpairs(const struct spdk_json_val *val, void *out)
2454 : {
2455 0 : uint16_t *i = out;
2456 : int rc;
2457 :
2458 0 : rc = spdk_json_number_to_uint16(val, i);
2459 0 : if (rc == 0) {
2460 0 : (*i)++;
2461 : }
2462 :
2463 0 : return rc;
2464 : }
2465 :
2466 : static const struct spdk_json_object_decoder nvmf_rpc_create_transport_decoder[] = {
2467 : { "trtype", offsetof(struct nvmf_rpc_create_transport_ctx, trtype), spdk_json_decode_string},
2468 : {
2469 : "max_queue_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_queue_depth),
2470 : spdk_json_decode_uint16, true
2471 : },
2472 : {
2473 : "max_io_qpairs_per_ctrlr", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_qpairs_per_ctrlr),
2474 : nvmf_rpc_decode_max_io_qpairs, true
2475 : },
2476 : {
2477 : "in_capsule_data_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.in_capsule_data_size),
2478 : spdk_json_decode_uint32, true
2479 : },
2480 : {
2481 : "max_io_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_io_size),
2482 : spdk_json_decode_uint32, true
2483 : },
2484 : {
2485 : "io_unit_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.io_unit_size),
2486 : spdk_json_decode_uint32, true
2487 : },
2488 : {
2489 : "max_aq_depth", offsetof(struct nvmf_rpc_create_transport_ctx, opts.max_aq_depth),
2490 : spdk_json_decode_uint32, true
2491 : },
2492 : {
2493 : "num_shared_buffers", offsetof(struct nvmf_rpc_create_transport_ctx, opts.num_shared_buffers),
2494 : spdk_json_decode_uint32, true
2495 : },
2496 : {
2497 : "buf_cache_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.buf_cache_size),
2498 : spdk_json_decode_uint32, true
2499 : },
2500 : {
2501 : "dif_insert_or_strip", offsetof(struct nvmf_rpc_create_transport_ctx, opts.dif_insert_or_strip),
2502 : spdk_json_decode_bool, true
2503 : },
2504 : {
2505 : "abort_timeout_sec", offsetof(struct nvmf_rpc_create_transport_ctx, opts.abort_timeout_sec),
2506 : spdk_json_decode_uint32, true
2507 : },
2508 : {
2509 : "zcopy", offsetof(struct nvmf_rpc_create_transport_ctx, opts.zcopy),
2510 : spdk_json_decode_bool, true
2511 : },
2512 : {
2513 : "tgt_name", offsetof(struct nvmf_rpc_create_transport_ctx, tgt_name),
2514 : spdk_json_decode_string, true
2515 : },
2516 : {
2517 : "acceptor_poll_rate", offsetof(struct nvmf_rpc_create_transport_ctx, opts.acceptor_poll_rate),
2518 : spdk_json_decode_uint32, true
2519 : },
2520 : {
2521 : "ack_timeout", offsetof(struct nvmf_rpc_create_transport_ctx, opts.ack_timeout),
2522 : spdk_json_decode_uint32, true
2523 : },
2524 : {
2525 : "data_wr_pool_size", offsetof(struct nvmf_rpc_create_transport_ctx, opts.data_wr_pool_size),
2526 : spdk_json_decode_uint32, true
2527 : },
2528 : {
2529 : "disable_command_passthru", offsetof(struct nvmf_rpc_create_transport_ctx, opts.disable_command_passthru),
2530 : spdk_json_decode_bool, true
2531 : }
2532 : };
2533 :
2534 : static void
2535 0 : nvmf_rpc_create_transport_ctx_free(struct nvmf_rpc_create_transport_ctx *ctx)
2536 : {
2537 0 : free(ctx->trtype);
2538 0 : free(ctx->tgt_name);
2539 0 : free(ctx);
2540 0 : }
2541 :
2542 : static void
2543 0 : nvmf_rpc_transport_destroy_done_cb(void *cb_arg)
2544 : {
2545 0 : struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
2546 :
2547 0 : spdk_jsonrpc_send_error_response_fmt(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2548 : "Failed to add transport to tgt.(%d)", ctx->status);
2549 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2550 0 : }
2551 :
2552 : static void
2553 0 : nvmf_rpc_tgt_add_transport_done(void *cb_arg, int status)
2554 : {
2555 0 : struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
2556 :
2557 0 : if (status) {
2558 0 : SPDK_ERRLOG("Failed to add transport to tgt.(%d)\n", status);
2559 0 : ctx->status = status;
2560 0 : spdk_nvmf_transport_destroy(ctx->transport, nvmf_rpc_transport_destroy_done_cb, ctx);
2561 0 : return;
2562 : }
2563 :
2564 0 : spdk_jsonrpc_send_bool_response(ctx->request, true);
2565 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2566 : }
2567 :
2568 : static void
2569 0 : nvmf_rpc_create_transport_done(void *cb_arg, struct spdk_nvmf_transport *transport)
2570 : {
2571 0 : struct nvmf_rpc_create_transport_ctx *ctx = cb_arg;
2572 :
2573 0 : if (!transport) {
2574 0 : SPDK_ERRLOG("Failed to create transport.\n");
2575 0 : spdk_jsonrpc_send_error_response(ctx->request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2576 : "Failed to create transport.");
2577 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2578 0 : return;
2579 : }
2580 :
2581 0 : ctx->transport = transport;
2582 :
2583 0 : spdk_nvmf_tgt_add_transport(spdk_nvmf_get_tgt(ctx->tgt_name), transport,
2584 : nvmf_rpc_tgt_add_transport_done, ctx);
2585 : }
2586 :
2587 : static void
2588 0 : rpc_nvmf_create_transport(struct spdk_jsonrpc_request *request,
2589 : const struct spdk_json_val *params)
2590 : {
2591 : struct nvmf_rpc_create_transport_ctx *ctx;
2592 : struct spdk_nvmf_tgt *tgt;
2593 : int rc;
2594 :
2595 0 : ctx = calloc(1, sizeof(*ctx));
2596 0 : if (!ctx) {
2597 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR, "Out of memory");
2598 0 : return;
2599 : }
2600 :
2601 : /* Decode parameters the first time to get the transport type */
2602 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
2603 : SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
2604 : ctx)) {
2605 0 : SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
2606 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2607 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2608 0 : return;
2609 : }
2610 :
2611 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
2612 0 : if (!tgt) {
2613 0 : SPDK_ERRLOG("Unable to find a target object.\n");
2614 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2615 : "Unable to find a target.");
2616 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2617 0 : return;
2618 : }
2619 :
2620 : /* Initialize all the transport options (based on transport type) and decode the
2621 : * parameters again to update any options passed in rpc create transport call.
2622 : */
2623 0 : if (!spdk_nvmf_transport_opts_init(ctx->trtype, &ctx->opts, sizeof(ctx->opts))) {
2624 : /* This can happen if user specifies PCIE transport type which isn't valid for
2625 : * NVMe-oF.
2626 : */
2627 0 : SPDK_ERRLOG("Invalid transport type '%s'\n", ctx->trtype);
2628 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
2629 : "Invalid transport type '%s'", ctx->trtype);
2630 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2631 0 : return;
2632 : }
2633 :
2634 0 : if (spdk_json_decode_object_relaxed(params, nvmf_rpc_create_transport_decoder,
2635 : SPDK_COUNTOF(nvmf_rpc_create_transport_decoder),
2636 : ctx)) {
2637 0 : SPDK_ERRLOG("spdk_json_decode_object_relaxed failed\n");
2638 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2639 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2640 0 : return;
2641 : }
2642 :
2643 0 : if (spdk_nvmf_tgt_get_transport(tgt, ctx->trtype)) {
2644 0 : SPDK_ERRLOG("Transport type '%s' already exists\n", ctx->trtype);
2645 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2646 : "Transport type '%s' already exists", ctx->trtype);
2647 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2648 0 : return;
2649 : }
2650 :
2651 : /* Transport can parse additional params themselves */
2652 0 : ctx->opts.transport_specific = params;
2653 0 : ctx->request = request;
2654 :
2655 0 : rc = spdk_nvmf_transport_create_async(ctx->trtype, &ctx->opts, nvmf_rpc_create_transport_done, ctx);
2656 0 : if (rc) {
2657 0 : SPDK_ERRLOG("Transport type '%s' create failed\n", ctx->trtype);
2658 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2659 : "Transport type '%s' create failed", ctx->trtype);
2660 0 : nvmf_rpc_create_transport_ctx_free(ctx);
2661 : }
2662 : }
2663 0 : SPDK_RPC_REGISTER("nvmf_create_transport", rpc_nvmf_create_transport, SPDK_RPC_RUNTIME)
2664 :
2665 : struct rpc_get_transport {
2666 : char *trtype;
2667 : char *tgt_name;
2668 : };
2669 :
2670 : static const struct spdk_json_object_decoder rpc_get_transport_decoders[] = {
2671 : {"trtype", offsetof(struct rpc_get_transport, trtype), spdk_json_decode_string, true},
2672 : {"tgt_name", offsetof(struct rpc_get_transport, tgt_name), spdk_json_decode_string, true},
2673 : };
2674 :
2675 : static void
2676 0 : rpc_nvmf_get_transports(struct spdk_jsonrpc_request *request,
2677 : const struct spdk_json_val *params)
2678 : {
2679 0 : struct rpc_get_transport req = { 0 };
2680 : struct spdk_json_write_ctx *w;
2681 0 : struct spdk_nvmf_transport *transport = NULL;
2682 : struct spdk_nvmf_tgt *tgt;
2683 :
2684 0 : if (params) {
2685 0 : if (spdk_json_decode_object(params, rpc_get_transport_decoders,
2686 : SPDK_COUNTOF(rpc_get_transport_decoders),
2687 : &req)) {
2688 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2689 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2690 0 : return;
2691 : }
2692 : }
2693 :
2694 0 : tgt = spdk_nvmf_get_tgt(req.tgt_name);
2695 0 : if (!tgt) {
2696 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2697 : "Unable to find a target.");
2698 0 : free(req.trtype);
2699 0 : free(req.tgt_name);
2700 0 : return;
2701 : }
2702 :
2703 0 : if (req.trtype) {
2704 0 : transport = spdk_nvmf_tgt_get_transport(tgt, req.trtype);
2705 0 : if (transport == NULL) {
2706 0 : SPDK_ERRLOG("transport '%s' does not exist\n", req.trtype);
2707 0 : spdk_jsonrpc_send_error_response(request, -ENODEV, spdk_strerror(ENODEV));
2708 0 : free(req.trtype);
2709 0 : free(req.tgt_name);
2710 0 : return;
2711 : }
2712 : }
2713 :
2714 0 : w = spdk_jsonrpc_begin_result(request);
2715 0 : spdk_json_write_array_begin(w);
2716 :
2717 0 : if (transport) {
2718 0 : nvmf_transport_dump_opts(transport, w, false);
2719 : } else {
2720 0 : for (transport = spdk_nvmf_transport_get_first(tgt); transport != NULL;
2721 0 : transport = spdk_nvmf_transport_get_next(transport)) {
2722 0 : nvmf_transport_dump_opts(transport, w, false);
2723 : }
2724 : }
2725 :
2726 0 : spdk_json_write_array_end(w);
2727 0 : spdk_jsonrpc_end_result(request, w);
2728 0 : free(req.trtype);
2729 0 : free(req.tgt_name);
2730 : }
2731 0 : SPDK_RPC_REGISTER("nvmf_get_transports", rpc_nvmf_get_transports, SPDK_RPC_RUNTIME)
2732 :
2733 : struct rpc_nvmf_get_stats_ctx {
2734 : char *tgt_name;
2735 : struct spdk_nvmf_tgt *tgt;
2736 : struct spdk_jsonrpc_request *request;
2737 : struct spdk_json_write_ctx *w;
2738 : };
2739 :
2740 : static const struct spdk_json_object_decoder rpc_get_stats_decoders[] = {
2741 : {"tgt_name", offsetof(struct rpc_nvmf_get_stats_ctx, tgt_name), spdk_json_decode_string, true},
2742 : };
2743 :
2744 : static void
2745 0 : free_get_stats_ctx(struct rpc_nvmf_get_stats_ctx *ctx)
2746 : {
2747 0 : free(ctx->tgt_name);
2748 0 : free(ctx);
2749 0 : }
2750 :
2751 : static void
2752 0 : rpc_nvmf_get_stats_done(struct spdk_io_channel_iter *i, int status)
2753 : {
2754 0 : struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
2755 :
2756 0 : spdk_json_write_array_end(ctx->w);
2757 0 : spdk_json_write_object_end(ctx->w);
2758 0 : spdk_jsonrpc_end_result(ctx->request, ctx->w);
2759 0 : free_get_stats_ctx(ctx);
2760 0 : }
2761 :
2762 : static void
2763 0 : _rpc_nvmf_get_stats(struct spdk_io_channel_iter *i)
2764 : {
2765 0 : struct rpc_nvmf_get_stats_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
2766 : struct spdk_io_channel *ch;
2767 : struct spdk_nvmf_poll_group *group;
2768 :
2769 0 : ch = spdk_get_io_channel(ctx->tgt);
2770 0 : group = spdk_io_channel_get_ctx(ch);
2771 :
2772 0 : spdk_nvmf_poll_group_dump_stat(group, ctx->w);
2773 :
2774 0 : spdk_put_io_channel(ch);
2775 0 : spdk_for_each_channel_continue(i, 0);
2776 0 : }
2777 :
2778 :
2779 : static void
2780 0 : rpc_nvmf_get_stats(struct spdk_jsonrpc_request *request,
2781 : const struct spdk_json_val *params)
2782 : {
2783 : struct rpc_nvmf_get_stats_ctx *ctx;
2784 :
2785 0 : ctx = calloc(1, sizeof(*ctx));
2786 0 : if (!ctx) {
2787 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2788 : "Memory allocation error");
2789 0 : return;
2790 : }
2791 0 : ctx->request = request;
2792 :
2793 0 : if (params) {
2794 0 : if (spdk_json_decode_object(params, rpc_get_stats_decoders,
2795 : SPDK_COUNTOF(rpc_get_stats_decoders),
2796 : ctx)) {
2797 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
2798 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
2799 0 : free_get_stats_ctx(ctx);
2800 0 : return;
2801 : }
2802 : }
2803 :
2804 0 : ctx->tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
2805 0 : if (!ctx->tgt) {
2806 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
2807 : "Unable to find a target.");
2808 0 : free_get_stats_ctx(ctx);
2809 0 : return;
2810 : }
2811 :
2812 0 : ctx->w = spdk_jsonrpc_begin_result(ctx->request);
2813 0 : spdk_json_write_object_begin(ctx->w);
2814 0 : spdk_json_write_named_uint64(ctx->w, "tick_rate", spdk_get_ticks_hz());
2815 0 : spdk_json_write_named_array_begin(ctx->w, "poll_groups");
2816 :
2817 0 : spdk_for_each_channel(ctx->tgt,
2818 : _rpc_nvmf_get_stats,
2819 : ctx,
2820 : rpc_nvmf_get_stats_done);
2821 : }
2822 :
2823 0 : SPDK_RPC_REGISTER("nvmf_get_stats", rpc_nvmf_get_stats, SPDK_RPC_RUNTIME)
2824 :
2825 : static void
2826 0 : dump_nvmf_ctrlr(struct spdk_json_write_ctx *w, struct spdk_nvmf_ctrlr *ctrlr)
2827 : {
2828 : uint32_t count;
2829 :
2830 0 : spdk_json_write_object_begin(w);
2831 :
2832 0 : spdk_json_write_named_uint32(w, "cntlid", ctrlr->cntlid);
2833 0 : spdk_json_write_named_string(w, "hostnqn", ctrlr->hostnqn);
2834 0 : spdk_json_write_named_uuid(w, "hostid", &ctrlr->hostid);
2835 :
2836 0 : count = spdk_bit_array_count_set(ctrlr->qpair_mask);
2837 0 : spdk_json_write_named_uint32(w, "num_io_qpairs", count);
2838 :
2839 0 : spdk_json_write_object_end(w);
2840 0 : }
2841 :
2842 : static const char *
2843 0 : nvmf_qpair_state_str(enum spdk_nvmf_qpair_state state)
2844 : {
2845 0 : switch (state) {
2846 0 : case SPDK_NVMF_QPAIR_UNINITIALIZED:
2847 0 : return "uninitialized";
2848 0 : case SPDK_NVMF_QPAIR_CONNECTING:
2849 0 : return "connecting";
2850 0 : case SPDK_NVMF_QPAIR_ENABLED:
2851 0 : return "enabled";
2852 0 : case SPDK_NVMF_QPAIR_DEACTIVATING:
2853 0 : return "deactivating";
2854 0 : case SPDK_NVMF_QPAIR_ERROR:
2855 0 : return "error";
2856 0 : default:
2857 0 : return NULL;
2858 : }
2859 : }
2860 :
2861 : static void
2862 0 : dump_nvmf_qpair(struct spdk_json_write_ctx *w, struct spdk_nvmf_qpair *qpair)
2863 : {
2864 0 : struct spdk_nvme_transport_id trid = {};
2865 :
2866 0 : spdk_json_write_object_begin(w);
2867 :
2868 0 : spdk_json_write_named_uint32(w, "cntlid", qpair->ctrlr->cntlid);
2869 0 : spdk_json_write_named_uint32(w, "qid", qpair->qid);
2870 0 : spdk_json_write_named_string(w, "state", nvmf_qpair_state_str(qpair->state));
2871 0 : spdk_json_write_named_string(w, "thread", spdk_thread_get_name(spdk_get_thread()));
2872 0 : spdk_json_write_named_string(w, "hostnqn", qpair->ctrlr->hostnqn);
2873 :
2874 0 : if (spdk_nvmf_qpair_get_listen_trid(qpair, &trid) == 0) {
2875 0 : spdk_json_write_named_object_begin(w, "listen_address");
2876 0 : nvmf_transport_listen_dump_trid(&trid, w);
2877 0 : spdk_json_write_object_end(w);
2878 0 : if (qpair->transport->ops->listen_dump_opts) {
2879 0 : qpair->transport->ops->listen_dump_opts(qpair->transport, &trid, w);
2880 : }
2881 : }
2882 :
2883 0 : memset(&trid, 0, sizeof(trid));
2884 0 : if (spdk_nvmf_qpair_get_peer_trid(qpair, &trid) == 0) {
2885 0 : spdk_json_write_named_object_begin(w, "peer_address");
2886 0 : nvmf_transport_listen_dump_trid(&trid, w);
2887 0 : spdk_json_write_object_end(w);
2888 : }
2889 :
2890 0 : nvmf_qpair_auth_dump(qpair, w);
2891 0 : spdk_json_write_object_end(w);
2892 0 : }
2893 :
2894 : static const char *
2895 0 : nvme_ana_state_str(enum spdk_nvme_ana_state ana_state)
2896 : {
2897 0 : switch (ana_state) {
2898 0 : case SPDK_NVME_ANA_OPTIMIZED_STATE:
2899 0 : return "optimized";
2900 0 : case SPDK_NVME_ANA_NON_OPTIMIZED_STATE:
2901 0 : return "non_optimized";
2902 0 : case SPDK_NVME_ANA_INACCESSIBLE_STATE:
2903 0 : return "inaccessible";
2904 0 : case SPDK_NVME_ANA_PERSISTENT_LOSS_STATE:
2905 0 : return "persistent_loss";
2906 0 : case SPDK_NVME_ANA_CHANGE_STATE:
2907 0 : return "change";
2908 0 : default:
2909 0 : return NULL;
2910 : }
2911 : }
2912 :
2913 : static void
2914 0 : dump_nvmf_subsystem_listener(struct spdk_json_write_ctx *w,
2915 : struct spdk_nvmf_subsystem_listener *listener)
2916 : {
2917 0 : const struct spdk_nvme_transport_id *trid = listener->trid;
2918 : uint32_t i;
2919 :
2920 0 : spdk_json_write_object_begin(w);
2921 :
2922 0 : spdk_json_write_named_object_begin(w, "address");
2923 0 : nvmf_transport_listen_dump_trid(trid, w);
2924 0 : spdk_json_write_object_end(w);
2925 :
2926 0 : if (spdk_nvmf_subsystem_get_ana_reporting(listener->subsystem)) {
2927 0 : spdk_json_write_named_array_begin(w, "ana_states");
2928 0 : for (i = 0; i < listener->subsystem->max_nsid; i++) {
2929 0 : spdk_json_write_object_begin(w);
2930 0 : spdk_json_write_named_uint32(w, "ana_group", i + 1);
2931 0 : spdk_json_write_named_string(w, "ana_state",
2932 0 : nvme_ana_state_str(listener->ana_state[i]));
2933 0 : spdk_json_write_object_end(w);
2934 : }
2935 0 : spdk_json_write_array_end(w);
2936 : }
2937 :
2938 0 : spdk_json_write_object_end(w);
2939 0 : }
2940 :
2941 : struct rpc_subsystem_query_ctx {
2942 : char *nqn;
2943 : char *tgt_name;
2944 : struct spdk_nvmf_subsystem *subsystem;
2945 : struct spdk_jsonrpc_request *request;
2946 : struct spdk_json_write_ctx *w;
2947 : };
2948 :
2949 : static const struct spdk_json_object_decoder rpc_subsystem_query_decoders[] = {
2950 : {"nqn", offsetof(struct rpc_subsystem_query_ctx, nqn), spdk_json_decode_string},
2951 : {"tgt_name", offsetof(struct rpc_subsystem_query_ctx, tgt_name), spdk_json_decode_string, true},
2952 : };
2953 :
2954 : static void
2955 0 : free_rpc_subsystem_query_ctx(struct rpc_subsystem_query_ctx *ctx)
2956 : {
2957 0 : free(ctx->nqn);
2958 0 : free(ctx->tgt_name);
2959 0 : free(ctx);
2960 0 : }
2961 :
2962 : static void
2963 0 : rpc_nvmf_get_controllers_paused(struct spdk_nvmf_subsystem *subsystem,
2964 : void *cb_arg, int status)
2965 : {
2966 0 : struct rpc_subsystem_query_ctx *ctx = cb_arg;
2967 : struct spdk_json_write_ctx *w;
2968 : struct spdk_nvmf_ctrlr *ctrlr;
2969 :
2970 0 : w = spdk_jsonrpc_begin_result(ctx->request);
2971 :
2972 0 : spdk_json_write_array_begin(w);
2973 0 : TAILQ_FOREACH(ctrlr, &ctx->subsystem->ctrlrs, link) {
2974 0 : dump_nvmf_ctrlr(w, ctrlr);
2975 : }
2976 0 : spdk_json_write_array_end(w);
2977 :
2978 0 : spdk_jsonrpc_end_result(ctx->request, w);
2979 :
2980 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
2981 0 : SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
2982 : /* FIXME: RPC should fail if resuming the subsystem failed. */
2983 : }
2984 :
2985 0 : free_rpc_subsystem_query_ctx(ctx);
2986 0 : }
2987 :
2988 : static void
2989 0 : rpc_nvmf_get_qpairs_done(struct spdk_io_channel_iter *i, int status)
2990 : {
2991 0 : struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
2992 :
2993 0 : spdk_json_write_array_end(ctx->w);
2994 0 : spdk_jsonrpc_end_result(ctx->request, ctx->w);
2995 :
2996 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
2997 0 : SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
2998 : /* FIXME: RPC should fail if resuming the subsystem failed. */
2999 : }
3000 :
3001 0 : free_rpc_subsystem_query_ctx(ctx);
3002 0 : }
3003 :
3004 : static void
3005 0 : rpc_nvmf_get_qpairs(struct spdk_io_channel_iter *i)
3006 : {
3007 0 : struct rpc_subsystem_query_ctx *ctx = spdk_io_channel_iter_get_ctx(i);
3008 : struct spdk_io_channel *ch;
3009 : struct spdk_nvmf_poll_group *group;
3010 : struct spdk_nvmf_qpair *qpair;
3011 :
3012 0 : ch = spdk_io_channel_iter_get_channel(i);
3013 0 : group = spdk_io_channel_get_ctx(ch);
3014 :
3015 0 : TAILQ_FOREACH(qpair, &group->qpairs, link) {
3016 0 : if (qpair->ctrlr->subsys == ctx->subsystem) {
3017 0 : dump_nvmf_qpair(ctx->w, qpair);
3018 : }
3019 : }
3020 :
3021 0 : spdk_for_each_channel_continue(i, 0);
3022 0 : }
3023 :
3024 : static void
3025 0 : rpc_nvmf_get_qpairs_paused(struct spdk_nvmf_subsystem *subsystem,
3026 : void *cb_arg, int status)
3027 : {
3028 0 : struct rpc_subsystem_query_ctx *ctx = cb_arg;
3029 :
3030 0 : ctx->w = spdk_jsonrpc_begin_result(ctx->request);
3031 :
3032 0 : spdk_json_write_array_begin(ctx->w);
3033 :
3034 0 : spdk_for_each_channel(ctx->subsystem->tgt,
3035 : rpc_nvmf_get_qpairs,
3036 : ctx,
3037 : rpc_nvmf_get_qpairs_done);
3038 0 : }
3039 :
3040 : static void
3041 0 : rpc_nvmf_get_listeners_paused(struct spdk_nvmf_subsystem *subsystem,
3042 : void *cb_arg, int status)
3043 : {
3044 0 : struct rpc_subsystem_query_ctx *ctx = cb_arg;
3045 : struct spdk_json_write_ctx *w;
3046 : struct spdk_nvmf_subsystem_listener *listener;
3047 :
3048 0 : w = spdk_jsonrpc_begin_result(ctx->request);
3049 :
3050 0 : spdk_json_write_array_begin(w);
3051 :
3052 0 : for (listener = spdk_nvmf_subsystem_get_first_listener(ctx->subsystem);
3053 0 : listener != NULL;
3054 0 : listener = spdk_nvmf_subsystem_get_next_listener(ctx->subsystem, listener)) {
3055 0 : dump_nvmf_subsystem_listener(w, listener);
3056 : }
3057 0 : spdk_json_write_array_end(w);
3058 :
3059 0 : spdk_jsonrpc_end_result(ctx->request, w);
3060 :
3061 0 : if (spdk_nvmf_subsystem_resume(ctx->subsystem, NULL, NULL)) {
3062 0 : SPDK_ERRLOG("Resuming subsystem with NQN %s failed\n", ctx->nqn);
3063 : /* FIXME: RPC should fail if resuming the subsystem failed. */
3064 : }
3065 :
3066 0 : free_rpc_subsystem_query_ctx(ctx);
3067 0 : }
3068 :
3069 : static void
3070 0 : _rpc_nvmf_subsystem_query(struct spdk_jsonrpc_request *request,
3071 : const struct spdk_json_val *params,
3072 : spdk_nvmf_subsystem_state_change_done cb_fn)
3073 : {
3074 : struct rpc_subsystem_query_ctx *ctx;
3075 : struct spdk_nvmf_subsystem *subsystem;
3076 : struct spdk_nvmf_tgt *tgt;
3077 :
3078 0 : ctx = calloc(1, sizeof(*ctx));
3079 0 : if (!ctx) {
3080 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
3081 : "Out of memory");
3082 0 : return;
3083 : }
3084 :
3085 0 : ctx->request = request;
3086 :
3087 0 : if (spdk_json_decode_object(params, rpc_subsystem_query_decoders,
3088 : SPDK_COUNTOF(rpc_subsystem_query_decoders),
3089 : ctx)) {
3090 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
3091 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
3092 : "Invalid parameters");
3093 0 : free_rpc_subsystem_query_ctx(ctx);
3094 0 : return;
3095 : }
3096 :
3097 0 : tgt = spdk_nvmf_get_tgt(ctx->tgt_name);
3098 0 : if (!tgt) {
3099 0 : SPDK_ERRLOG("Unable to find a target object.\n");
3100 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
3101 : "Unable to find a target");
3102 0 : free_rpc_subsystem_query_ctx(ctx);
3103 0 : return;
3104 : }
3105 :
3106 0 : subsystem = spdk_nvmf_tgt_find_subsystem(tgt, ctx->nqn);
3107 0 : if (!subsystem) {
3108 0 : SPDK_ERRLOG("Unable to find subsystem with NQN %s\n", ctx->nqn);
3109 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
3110 : "Invalid parameters");
3111 0 : free_rpc_subsystem_query_ctx(ctx);
3112 0 : return;
3113 : }
3114 :
3115 0 : ctx->subsystem = subsystem;
3116 :
3117 0 : if (spdk_nvmf_subsystem_pause(subsystem, 0, cb_fn, ctx)) {
3118 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
3119 : "Internal error");
3120 0 : free_rpc_subsystem_query_ctx(ctx);
3121 0 : return;
3122 : }
3123 : }
3124 :
3125 : static void
3126 0 : rpc_nvmf_subsystem_get_controllers(struct spdk_jsonrpc_request *request,
3127 : const struct spdk_json_val *params)
3128 : {
3129 0 : _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_controllers_paused);
3130 0 : }
3131 0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_controllers", rpc_nvmf_subsystem_get_controllers,
3132 : SPDK_RPC_RUNTIME);
3133 :
3134 : static void
3135 0 : rpc_nvmf_subsystem_get_qpairs(struct spdk_jsonrpc_request *request,
3136 : const struct spdk_json_val *params)
3137 : {
3138 0 : _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_qpairs_paused);
3139 0 : }
3140 0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_qpairs", rpc_nvmf_subsystem_get_qpairs, SPDK_RPC_RUNTIME);
3141 :
3142 : static void
3143 0 : rpc_nvmf_subsystem_get_listeners(struct spdk_jsonrpc_request *request,
3144 : const struct spdk_json_val *params)
3145 : {
3146 0 : _rpc_nvmf_subsystem_query(request, params, rpc_nvmf_get_listeners_paused);
3147 0 : }
3148 0 : SPDK_RPC_REGISTER("nvmf_subsystem_get_listeners", rpc_nvmf_subsystem_get_listeners,
3149 : SPDK_RPC_RUNTIME);
3150 :
3151 : struct rpc_mdns_prr {
3152 : char *tgt_name;
3153 : };
3154 :
3155 : static const struct spdk_json_object_decoder rpc_mdns_prr_decoders[] = {
3156 : {"tgt_name", offsetof(struct rpc_mdns_prr, tgt_name), spdk_json_decode_string, true},
3157 : };
3158 :
3159 : static void
3160 0 : rpc_nvmf_publish_mdns_prr(struct spdk_jsonrpc_request *request,
3161 : const struct spdk_json_val *params)
3162 : {
3163 : int rc;
3164 0 : struct rpc_mdns_prr req = { 0 };
3165 : struct spdk_nvmf_tgt *tgt;
3166 :
3167 0 : if (params) {
3168 0 : if (spdk_json_decode_object(params, rpc_mdns_prr_decoders,
3169 : SPDK_COUNTOF(rpc_mdns_prr_decoders),
3170 : &req)) {
3171 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
3172 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
3173 0 : return;
3174 : }
3175 : }
3176 :
3177 0 : tgt = spdk_nvmf_get_tgt(req.tgt_name);
3178 0 : if (!tgt) {
3179 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
3180 : "Unable to find a target.");
3181 0 : free(req.tgt_name);
3182 0 : return;
3183 : }
3184 :
3185 0 : rc = nvmf_publish_mdns_prr(tgt);
3186 0 : if (rc) {
3187 0 : spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
3188 0 : free(req.tgt_name);
3189 0 : return;
3190 : }
3191 :
3192 0 : spdk_jsonrpc_send_bool_response(request, true);
3193 0 : free(req.tgt_name);
3194 : }
3195 0 : SPDK_RPC_REGISTER("nvmf_publish_mdns_prr", rpc_nvmf_publish_mdns_prr, SPDK_RPC_RUNTIME);
3196 :
3197 : static void
3198 0 : rpc_nvmf_stop_mdns_prr(struct spdk_jsonrpc_request *request,
3199 : const struct spdk_json_val *params)
3200 : {
3201 0 : struct rpc_mdns_prr req = { 0 };
3202 : struct spdk_nvmf_tgt *tgt;
3203 :
3204 0 : if (params) {
3205 0 : if (spdk_json_decode_object(params, rpc_mdns_prr_decoders,
3206 : SPDK_COUNTOF(rpc_mdns_prr_decoders),
3207 : &req)) {
3208 0 : SPDK_ERRLOG("spdk_json_decode_object failed\n");
3209 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "Invalid parameters");
3210 0 : return;
3211 : }
3212 : }
3213 :
3214 0 : tgt = spdk_nvmf_get_tgt(req.tgt_name);
3215 0 : if (!tgt) {
3216 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INTERNAL_ERROR,
3217 : "Unable to find a target.");
3218 0 : free(req.tgt_name);
3219 0 : return;
3220 : }
3221 :
3222 0 : nvmf_tgt_stop_mdns_prr(tgt);
3223 :
3224 0 : spdk_jsonrpc_send_bool_response(request, true);
3225 0 : free(req.tgt_name);
3226 : }
3227 0 : SPDK_RPC_REGISTER("nvmf_stop_mdns_prr", rpc_nvmf_stop_mdns_prr, SPDK_RPC_RUNTIME);
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