Line data Source code
1 : /* SPDX-License-Identifier: BSD-3-Clause
2 : * Copyright (C) 2020 Intel Corporation.
3 : * Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES.
4 : * All rights reserved.
5 : */
6 :
7 : #include "accel_internal.h"
8 : #include "spdk/accel_module.h"
9 :
10 : #include "spdk/rpc.h"
11 : #include "spdk/util.h"
12 : #include "spdk/event.h"
13 : #include "spdk/stdinc.h"
14 : #include "spdk/string.h"
15 : #include "spdk/env.h"
16 :
17 : static void
18 0 : rpc_accel_get_opc_assignments(struct spdk_jsonrpc_request *request,
19 : const struct spdk_json_val *params)
20 : {
21 : struct spdk_json_write_ctx *w;
22 : enum spdk_accel_opcode opcode;
23 0 : const char *name, *module_name = NULL;
24 : int rc;
25 :
26 0 : if (params != NULL) {
27 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
28 : "accel_get_opc_assignments requires no parameters");
29 0 : return;
30 : }
31 :
32 0 : w = spdk_jsonrpc_begin_result(request);
33 :
34 0 : spdk_json_write_object_begin(w);
35 0 : for (opcode = 0; opcode < SPDK_ACCEL_OPC_LAST; opcode++) {
36 0 : name = spdk_accel_get_opcode_name(opcode);
37 0 : if (name != NULL) {
38 0 : rc = spdk_accel_get_opc_module_name(opcode, &module_name);
39 0 : if (rc == 0) {
40 0 : spdk_json_write_named_string(w, name, module_name);
41 : } else {
42 : /* This isn't fatal but throw an informational message if we
43 : * can't get an module name right now */
44 0 : SPDK_NOTICELOG("FYI error (%d) getting module name.\n", rc);
45 : }
46 : } else {
47 : /* this should never happen */
48 0 : SPDK_ERRLOG("Invalid opcode (%d)).\n", opcode);
49 0 : assert(0);
50 : }
51 : }
52 0 : spdk_json_write_object_end(w);
53 :
54 0 : spdk_jsonrpc_end_result(request, w);
55 : }
56 0 : SPDK_RPC_REGISTER("accel_get_opc_assignments", rpc_accel_get_opc_assignments, SPDK_RPC_RUNTIME)
57 :
58 : static void
59 0 : rpc_dump_module_info(struct module_info *info)
60 : {
61 0 : struct spdk_json_write_ctx *w = info->w;
62 : const char *name;
63 : uint32_t i;
64 :
65 0 : spdk_json_write_object_begin(w);
66 :
67 0 : spdk_json_write_named_string(w, "module", info->name);
68 0 : spdk_json_write_named_array_begin(w, "supported ops");
69 :
70 0 : for (i = 0; i < info->num_ops; i++) {
71 0 : name = spdk_accel_get_opcode_name(info->ops[i]);
72 0 : if (name != NULL) {
73 0 : spdk_json_write_string(w, name);
74 : } else {
75 : /* this should never happen */
76 0 : SPDK_ERRLOG("Invalid opcode (%d)).\n", info->ops[i]);
77 0 : assert(0);
78 : }
79 : }
80 :
81 0 : spdk_json_write_array_end(w);
82 0 : spdk_json_write_object_end(w);
83 0 : }
84 :
85 : static void
86 0 : rpc_accel_get_module_info(struct spdk_jsonrpc_request *request,
87 : const struct spdk_json_val *params)
88 : {
89 0 : struct module_info info;
90 :
91 0 : if (params != NULL) {
92 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
93 : "accel_get_module_info requires no parameters");
94 0 : return;
95 : }
96 :
97 0 : info.w = spdk_jsonrpc_begin_result(request);
98 0 : spdk_json_write_array_begin(info.w);
99 :
100 0 : _accel_for_each_module(&info, rpc_dump_module_info);
101 :
102 0 : spdk_json_write_array_end(info.w);
103 0 : spdk_jsonrpc_end_result(request, info.w);
104 : }
105 0 : SPDK_RPC_REGISTER("accel_get_module_info", rpc_accel_get_module_info, SPDK_RPC_RUNTIME)
106 0 : SPDK_RPC_REGISTER_ALIAS_DEPRECATED(accel_get_module_info, accel_get_engine_info)
107 :
108 : struct rpc_accel_assign_opc {
109 : char *opname;
110 : char *module;
111 : };
112 :
113 : static const struct spdk_json_object_decoder rpc_accel_assign_opc_decoders[] = {
114 : {"opname", offsetof(struct rpc_accel_assign_opc, opname), spdk_json_decode_string},
115 : {"module", offsetof(struct rpc_accel_assign_opc, module), spdk_json_decode_string},
116 : };
117 :
118 : static void
119 0 : free_accel_assign_opc(struct rpc_accel_assign_opc *r)
120 : {
121 0 : free(r->opname);
122 0 : free(r->module);
123 0 : }
124 :
125 : static void
126 0 : rpc_accel_assign_opc(struct spdk_jsonrpc_request *request,
127 : const struct spdk_json_val *params)
128 : {
129 0 : struct rpc_accel_assign_opc req = {};
130 : const char *opcode_str;
131 : enum spdk_accel_opcode opcode;
132 0 : bool found = false;
133 : int rc;
134 :
135 0 : if (spdk_json_decode_object(params, rpc_accel_assign_opc_decoders,
136 : SPDK_COUNTOF(rpc_accel_assign_opc_decoders),
137 : &req)) {
138 0 : SPDK_DEBUGLOG(accel, "spdk_json_decode_object failed\n");
139 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
140 : "spdk_json_decode_object failed");
141 0 : goto cleanup;
142 : }
143 :
144 0 : for (opcode = 0; opcode < SPDK_ACCEL_OPC_LAST; opcode++) {
145 0 : opcode_str = spdk_accel_get_opcode_name(opcode);
146 0 : assert(opcode_str != NULL);
147 0 : if (strcmp(opcode_str, req.opname) == 0) {
148 0 : found = true;
149 0 : break;
150 : }
151 : }
152 :
153 0 : if (found == false) {
154 0 : SPDK_DEBUGLOG(accel, "Invalid operation name\n");
155 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
156 : "spdk_json_decode_object failed");
157 0 : goto cleanup;
158 : }
159 :
160 0 : rc = spdk_accel_assign_opc(opcode, req.module);
161 0 : if (rc) {
162 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
163 : "error assigning opcode");
164 0 : goto cleanup;
165 : }
166 :
167 0 : SPDK_NOTICELOG("Operation %s will be assigned to module %s\n", req.opname, req.module);
168 0 : spdk_jsonrpc_send_bool_response(request, true);
169 :
170 0 : cleanup:
171 0 : free_accel_assign_opc(&req);
172 :
173 0 : }
174 0 : SPDK_RPC_REGISTER("accel_assign_opc", rpc_accel_assign_opc, SPDK_RPC_STARTUP)
175 :
176 : struct rpc_accel_crypto_key_create {
177 : struct spdk_accel_crypto_key_create_param param;
178 : };
179 :
180 : static const struct spdk_json_object_decoder rpc_accel_dek_create_decoders[] = {
181 : {"cipher", offsetof(struct rpc_accel_crypto_key_create, param.cipher), spdk_json_decode_string},
182 : {"key", offsetof(struct rpc_accel_crypto_key_create, param.hex_key), spdk_json_decode_string},
183 : {"key2", offsetof(struct rpc_accel_crypto_key_create, param.hex_key2), spdk_json_decode_string, true},
184 : {"tweak_mode", offsetof(struct rpc_accel_crypto_key_create, param.tweak_mode), spdk_json_decode_string, true},
185 : {"name", offsetof(struct rpc_accel_crypto_key_create, param.key_name), spdk_json_decode_string},
186 : };
187 :
188 : static void
189 0 : rpc_accel_crypto_key_create(struct spdk_jsonrpc_request *request,
190 : const struct spdk_json_val *params)
191 : {
192 0 : struct rpc_accel_crypto_key_create req = {};
193 : size_t key_size;
194 : int rc;
195 :
196 0 : if (spdk_json_decode_object(params, rpc_accel_dek_create_decoders,
197 : SPDK_COUNTOF(rpc_accel_dek_create_decoders),
198 : &req)) {
199 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
200 : "spdk_json_decode_object failed");
201 0 : goto cleanup;
202 : }
203 :
204 0 : rc = spdk_accel_crypto_key_create(&req.param);
205 0 : if (rc) {
206 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
207 : "failed to create DEK, rc %d", rc);
208 : } else {
209 0 : spdk_jsonrpc_send_bool_response(request, true);
210 : }
211 :
212 0 : cleanup:
213 0 : free(req.param.cipher);
214 0 : if (req.param.hex_key) {
215 0 : key_size = strnlen(req.param.hex_key, SPDK_ACCEL_CRYPTO_KEY_MAX_HEX_LENGTH);
216 0 : spdk_memset_s(req.param.hex_key, key_size, 0, key_size);
217 0 : free(req.param.hex_key);
218 : }
219 0 : if (req.param.hex_key2) {
220 0 : key_size = strnlen(req.param.hex_key2, SPDK_ACCEL_CRYPTO_KEY_MAX_HEX_LENGTH);
221 0 : spdk_memset_s(req.param.hex_key2, key_size, 0, key_size);
222 0 : free(req.param.hex_key2);
223 : }
224 0 : free(req.param.tweak_mode);
225 0 : free(req.param.key_name);
226 0 : }
227 0 : SPDK_RPC_REGISTER("accel_crypto_key_create", rpc_accel_crypto_key_create, SPDK_RPC_RUNTIME)
228 :
229 : struct rpc_accel_crypto_keys_get_ctx {
230 : char *key_name;
231 : };
232 :
233 : static const struct spdk_json_object_decoder rpc_accel_crypto_keys_get_decoders[] = {
234 : {"key_name", offsetof(struct rpc_accel_crypto_keys_get_ctx, key_name), spdk_json_decode_string, true},
235 : };
236 :
237 : static void
238 0 : rpc_accel_crypto_keys_get(struct spdk_jsonrpc_request *request,
239 : const struct spdk_json_val *params)
240 : {
241 0 : struct rpc_accel_crypto_keys_get_ctx req = {};
242 0 : struct spdk_accel_crypto_key *key = NULL;
243 : struct spdk_json_write_ctx *w;
244 :
245 0 : if (params && spdk_json_decode_object(params, rpc_accel_crypto_keys_get_decoders,
246 : SPDK_COUNTOF(rpc_accel_crypto_keys_get_decoders),
247 : &req)) {
248 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
249 : "spdk_json_decode_object failed");
250 0 : free(req.key_name);
251 0 : return;
252 : }
253 :
254 0 : if (req.key_name) {
255 0 : key = spdk_accel_crypto_key_get(req.key_name);
256 0 : free(req.key_name);
257 0 : if (!key) {
258 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS, "key was not found");
259 0 : return;
260 : }
261 : }
262 :
263 0 : w = spdk_jsonrpc_begin_result(request);
264 0 : spdk_json_write_array_begin(w);
265 :
266 0 : if (key) {
267 0 : _accel_crypto_key_dump_param(w, key);
268 : } else {
269 0 : _accel_crypto_keys_dump_param(w);
270 : }
271 :
272 0 : spdk_json_write_array_end(w);
273 0 : spdk_jsonrpc_end_result(request, w);
274 : }
275 0 : SPDK_RPC_REGISTER("accel_crypto_keys_get", rpc_accel_crypto_keys_get, SPDK_RPC_RUNTIME)
276 :
277 : static const struct spdk_json_object_decoder rpc_accel_crypto_key_destroy_decoders[] = {
278 : {"key_name", offsetof(struct rpc_accel_crypto_keys_get_ctx, key_name), spdk_json_decode_string},
279 : };
280 :
281 : static void
282 0 : rpc_accel_crypto_key_destroy(struct spdk_jsonrpc_request *request,
283 : const struct spdk_json_val *params)
284 : {
285 0 : struct rpc_accel_crypto_keys_get_ctx req = {};
286 0 : struct spdk_accel_crypto_key *key = NULL;
287 : int rc;
288 :
289 0 : if (spdk_json_decode_object(params, rpc_accel_crypto_key_destroy_decoders,
290 : SPDK_COUNTOF(rpc_accel_crypto_key_destroy_decoders),
291 : &req)) {
292 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
293 : "spdk_json_decode_object failed");
294 0 : free(req.key_name);
295 0 : return;
296 : }
297 :
298 0 : key = spdk_accel_crypto_key_get(req.key_name);
299 0 : if (!key) {
300 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
301 : "No key object found");
302 0 : free(req.key_name);
303 0 : return;
304 :
305 : }
306 0 : rc = spdk_accel_crypto_key_destroy(key);
307 0 : if (rc) {
308 0 : spdk_jsonrpc_send_error_response_fmt(request, SPDK_JSONRPC_ERROR_INVALID_PARAMS,
309 : "Failed to destroy key, rc %d", rc);
310 : } else {
311 0 : spdk_jsonrpc_send_bool_response(request, true);
312 : }
313 :
314 0 : free(req.key_name);
315 : }
316 0 : SPDK_RPC_REGISTER("accel_crypto_key_destroy", rpc_accel_crypto_key_destroy, SPDK_RPC_RUNTIME)
317 :
318 : struct rpc_accel_set_driver {
319 : char *name;
320 : };
321 :
322 : static const struct spdk_json_object_decoder rpc_accel_set_driver_decoders[] = {
323 : {"name", offsetof(struct rpc_accel_set_driver, name), spdk_json_decode_string, true},
324 : };
325 :
326 : static void
327 0 : free_rpc_accel_set_driver(struct rpc_accel_set_driver *r)
328 : {
329 0 : free(r->name);
330 0 : }
331 :
332 : static void
333 0 : rpc_accel_set_driver(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
334 : {
335 0 : struct rpc_accel_set_driver req = {};
336 : int rc;
337 :
338 0 : if (spdk_json_decode_object(params, rpc_accel_set_driver_decoders,
339 : SPDK_COUNTOF(rpc_accel_set_driver_decoders), &req)) {
340 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
341 : "spdk_json_decode_object failed");
342 0 : return;
343 : }
344 :
345 0 : rc = spdk_accel_set_driver(req.name);
346 0 : if (rc != 0) {
347 0 : spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
348 0 : goto cleanup;
349 : }
350 :
351 0 : SPDK_NOTICELOG("Using accel driver: %s\n", req.name && req.name[0] ? req.name : "none");
352 0 : spdk_jsonrpc_send_bool_response(request, true);
353 0 : cleanup:
354 0 : free_rpc_accel_set_driver(&req);
355 : }
356 0 : SPDK_RPC_REGISTER("accel_set_driver", rpc_accel_set_driver, SPDK_RPC_STARTUP)
357 :
358 : struct rpc_accel_opts {
359 : uint32_t small_cache_size;
360 : uint32_t large_cache_size;
361 : uint32_t task_count;
362 : uint32_t sequence_count;
363 : uint32_t buf_count;
364 : };
365 :
366 : static const struct spdk_json_object_decoder rpc_accel_set_options_decoders[] = {
367 : {"small_cache_size", offsetof(struct rpc_accel_opts, small_cache_size), spdk_json_decode_uint32, true},
368 : {"large_cache_size", offsetof(struct rpc_accel_opts, large_cache_size), spdk_json_decode_uint32, true},
369 : {"task_count", offsetof(struct rpc_accel_opts, task_count), spdk_json_decode_uint32, true},
370 : {"sequence_count", offsetof(struct rpc_accel_opts, sequence_count), spdk_json_decode_uint32, true},
371 : {"buf_count", offsetof(struct rpc_accel_opts, buf_count), spdk_json_decode_uint32, true},
372 : };
373 :
374 : static void
375 0 : rpc_accel_set_options(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
376 : {
377 0 : struct rpc_accel_opts rpc_opts;
378 0 : struct spdk_accel_opts opts;
379 : int rc;
380 :
381 : /* We can't pass spdk_accel_opts directly to spdk_json_decode_object(), because that
382 : * structure is packed, leading to undefined behavior due to misaligned pointer access */
383 0 : spdk_accel_get_opts(&opts, sizeof(opts));
384 0 : rpc_opts.small_cache_size = opts.small_cache_size;
385 0 : rpc_opts.large_cache_size = opts.large_cache_size;
386 0 : rpc_opts.task_count = opts.task_count;
387 0 : rpc_opts.sequence_count = opts.sequence_count;
388 0 : rpc_opts.buf_count = opts.buf_count;
389 :
390 0 : if (spdk_json_decode_object(params, rpc_accel_set_options_decoders,
391 : SPDK_COUNTOF(rpc_accel_set_options_decoders), &rpc_opts)) {
392 0 : spdk_jsonrpc_send_error_response(request, SPDK_JSONRPC_ERROR_PARSE_ERROR,
393 : "spdk_json_decode_object failed");
394 0 : return;
395 : }
396 :
397 0 : opts.small_cache_size = rpc_opts.small_cache_size;
398 0 : opts.large_cache_size = rpc_opts.large_cache_size;
399 0 : opts.task_count = rpc_opts.task_count;
400 0 : opts.sequence_count = rpc_opts.sequence_count;
401 0 : opts.buf_count = rpc_opts.buf_count;
402 :
403 0 : rc = spdk_accel_set_opts(&opts);
404 0 : if (rc != 0) {
405 0 : spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
406 0 : return;
407 : }
408 :
409 0 : spdk_jsonrpc_send_bool_response(request, true);
410 : }
411 0 : SPDK_RPC_REGISTER("accel_set_options", rpc_accel_set_options, SPDK_RPC_STARTUP)
412 :
413 : static void
414 0 : rpc_accel_get_stats_done(struct accel_stats *stats, void *cb_arg)
415 : {
416 0 : struct spdk_jsonrpc_request *request = cb_arg;
417 : struct spdk_json_write_ctx *w;
418 0 : const char *module_name;
419 : int i, rc;
420 :
421 0 : w = spdk_jsonrpc_begin_result(request);
422 0 : spdk_json_write_object_begin(w);
423 :
424 0 : spdk_json_write_named_uint64(w, "sequence_executed", stats->sequence_executed);
425 0 : spdk_json_write_named_uint64(w, "sequence_failed", stats->sequence_failed);
426 0 : spdk_json_write_named_uint64(w, "sequence_outstanding", stats->sequence_outstanding);
427 0 : spdk_json_write_named_uint64(w, "task_outstanding", stats->task_outstanding);
428 0 : spdk_json_write_named_array_begin(w, "operations");
429 0 : for (i = 0; i < SPDK_ACCEL_OPC_LAST; ++i) {
430 0 : if (stats->operations[i].executed + stats->operations[i].failed == 0) {
431 0 : continue;
432 : }
433 0 : rc = spdk_accel_get_opc_module_name(i, &module_name);
434 0 : if (rc) {
435 0 : continue;
436 : }
437 0 : spdk_json_write_object_begin(w);
438 0 : spdk_json_write_named_string(w, "opcode", spdk_accel_get_opcode_name(i));
439 0 : spdk_json_write_named_string(w, "module_name", module_name);
440 0 : spdk_json_write_named_uint64(w, "executed", stats->operations[i].executed);
441 0 : spdk_json_write_named_uint64(w, "failed", stats->operations[i].failed);
442 0 : spdk_json_write_named_uint64(w, "num_bytes", stats->operations[i].num_bytes);
443 0 : spdk_json_write_object_end(w);
444 : }
445 0 : spdk_json_write_array_end(w);
446 :
447 0 : spdk_json_write_named_uint64(w, "retry_task", stats->retry.task);
448 0 : spdk_json_write_named_uint64(w, "retry_sequence", stats->retry.sequence);
449 0 : spdk_json_write_named_uint64(w, "retry_iobuf", stats->retry.iobuf);
450 0 : spdk_json_write_named_uint64(w, "retry_bufdesc", stats->retry.bufdesc);
451 :
452 0 : spdk_json_write_object_end(w);
453 0 : spdk_jsonrpc_end_result(request, w);
454 0 : }
455 :
456 : static void
457 0 : rpc_accel_get_stats(struct spdk_jsonrpc_request *request, const struct spdk_json_val *params)
458 : {
459 : int rc;
460 :
461 0 : rc = accel_get_stats(rpc_accel_get_stats_done, request);
462 0 : if (rc != 0) {
463 0 : spdk_jsonrpc_send_error_response(request, rc, spdk_strerror(-rc));
464 : }
465 0 : }
466 0 : SPDK_RPC_REGISTER("accel_get_stats", rpc_accel_get_stats, SPDK_RPC_RUNTIME)
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