efa_com_cmd.c 24 KB

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  1. // SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
  2. /*
  3. * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
  4. */
  5. #include "efa_com.h"
  6. #include "efa_com_cmd.h"
  7. int efa_com_create_qp(struct efa_com_dev *edev,
  8. struct efa_com_create_qp_params *params,
  9. struct efa_com_create_qp_result *res)
  10. {
  11. struct efa_admin_create_qp_cmd create_qp_cmd = {};
  12. struct efa_admin_create_qp_resp cmd_completion;
  13. struct efa_com_admin_queue *aq = &edev->aq;
  14. int err;
  15. create_qp_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_QP;
  16. create_qp_cmd.pd = params->pd;
  17. create_qp_cmd.qp_type = params->qp_type;
  18. create_qp_cmd.rq_base_addr = params->rq_base_addr;
  19. create_qp_cmd.send_cq_idx = params->send_cq_idx;
  20. create_qp_cmd.recv_cq_idx = params->recv_cq_idx;
  21. create_qp_cmd.qp_alloc_size.send_queue_ring_size =
  22. params->sq_ring_size_in_bytes;
  23. create_qp_cmd.qp_alloc_size.send_queue_depth =
  24. params->sq_depth;
  25. create_qp_cmd.qp_alloc_size.recv_queue_ring_size =
  26. params->rq_ring_size_in_bytes;
  27. create_qp_cmd.qp_alloc_size.recv_queue_depth =
  28. params->rq_depth;
  29. create_qp_cmd.uar = params->uarn;
  30. if (params->unsolicited_write_recv)
  31. EFA_SET(&create_qp_cmd.flags, EFA_ADMIN_CREATE_QP_CMD_UNSOLICITED_WRITE_RECV, 1);
  32. err = efa_com_cmd_exec(aq,
  33. (struct efa_admin_aq_entry *)&create_qp_cmd,
  34. sizeof(create_qp_cmd),
  35. (struct efa_admin_acq_entry *)&cmd_completion,
  36. sizeof(cmd_completion));
  37. if (err) {
  38. ibdev_err_ratelimited(edev->efa_dev,
  39. "Failed to create qp [%d]\n", err);
  40. return err;
  41. }
  42. res->qp_handle = cmd_completion.qp_handle;
  43. res->qp_num = cmd_completion.qp_num;
  44. res->sq_db_offset = cmd_completion.sq_db_offset;
  45. res->rq_db_offset = cmd_completion.rq_db_offset;
  46. res->llq_descriptors_offset = cmd_completion.llq_descriptors_offset;
  47. res->send_sub_cq_idx = cmd_completion.send_sub_cq_idx;
  48. res->recv_sub_cq_idx = cmd_completion.recv_sub_cq_idx;
  49. return 0;
  50. }
  51. int efa_com_modify_qp(struct efa_com_dev *edev,
  52. struct efa_com_modify_qp_params *params)
  53. {
  54. struct efa_com_admin_queue *aq = &edev->aq;
  55. struct efa_admin_modify_qp_cmd cmd = {};
  56. struct efa_admin_modify_qp_resp resp;
  57. int err;
  58. cmd.aq_common_desc.opcode = EFA_ADMIN_MODIFY_QP;
  59. cmd.modify_mask = params->modify_mask;
  60. cmd.qp_handle = params->qp_handle;
  61. cmd.qp_state = params->qp_state;
  62. cmd.cur_qp_state = params->cur_qp_state;
  63. cmd.qkey = params->qkey;
  64. cmd.sq_psn = params->sq_psn;
  65. cmd.sq_drained_async_notify = params->sq_drained_async_notify;
  66. cmd.rnr_retry = params->rnr_retry;
  67. err = efa_com_cmd_exec(aq,
  68. (struct efa_admin_aq_entry *)&cmd,
  69. sizeof(cmd),
  70. (struct efa_admin_acq_entry *)&resp,
  71. sizeof(resp));
  72. if (err) {
  73. ibdev_err_ratelimited(
  74. edev->efa_dev,
  75. "Failed to modify qp-%u modify_mask[%#x] [%d]\n",
  76. cmd.qp_handle, cmd.modify_mask, err);
  77. return err;
  78. }
  79. return 0;
  80. }
  81. int efa_com_query_qp(struct efa_com_dev *edev,
  82. struct efa_com_query_qp_params *params,
  83. struct efa_com_query_qp_result *result)
  84. {
  85. struct efa_com_admin_queue *aq = &edev->aq;
  86. struct efa_admin_query_qp_cmd cmd = {};
  87. struct efa_admin_query_qp_resp resp;
  88. int err;
  89. cmd.aq_common_desc.opcode = EFA_ADMIN_QUERY_QP;
  90. cmd.qp_handle = params->qp_handle;
  91. err = efa_com_cmd_exec(aq,
  92. (struct efa_admin_aq_entry *)&cmd,
  93. sizeof(cmd),
  94. (struct efa_admin_acq_entry *)&resp,
  95. sizeof(resp));
  96. if (err) {
  97. ibdev_err_ratelimited(edev->efa_dev,
  98. "Failed to query qp-%u [%d]\n",
  99. cmd.qp_handle, err);
  100. return err;
  101. }
  102. result->qp_state = resp.qp_state;
  103. result->qkey = resp.qkey;
  104. result->sq_draining = resp.sq_draining;
  105. result->sq_psn = resp.sq_psn;
  106. result->rnr_retry = resp.rnr_retry;
  107. return 0;
  108. }
  109. int efa_com_destroy_qp(struct efa_com_dev *edev,
  110. struct efa_com_destroy_qp_params *params)
  111. {
  112. struct efa_admin_destroy_qp_resp cmd_completion;
  113. struct efa_admin_destroy_qp_cmd qp_cmd = {};
  114. struct efa_com_admin_queue *aq = &edev->aq;
  115. int err;
  116. qp_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_QP;
  117. qp_cmd.qp_handle = params->qp_handle;
  118. err = efa_com_cmd_exec(aq,
  119. (struct efa_admin_aq_entry *)&qp_cmd,
  120. sizeof(qp_cmd),
  121. (struct efa_admin_acq_entry *)&cmd_completion,
  122. sizeof(cmd_completion));
  123. if (err) {
  124. ibdev_err_ratelimited(edev->efa_dev,
  125. "Failed to destroy qp-%u [%d]\n",
  126. qp_cmd.qp_handle, err);
  127. return err;
  128. }
  129. return 0;
  130. }
  131. int efa_com_create_cq(struct efa_com_dev *edev,
  132. struct efa_com_create_cq_params *params,
  133. struct efa_com_create_cq_result *result)
  134. {
  135. struct efa_admin_create_cq_resp cmd_completion = {};
  136. struct efa_admin_create_cq_cmd create_cmd = {};
  137. struct efa_com_admin_queue *aq = &edev->aq;
  138. int err;
  139. create_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_CQ;
  140. EFA_SET(&create_cmd.cq_caps_2,
  141. EFA_ADMIN_CREATE_CQ_CMD_CQ_ENTRY_SIZE_WORDS,
  142. params->entry_size_in_bytes / 4);
  143. create_cmd.cq_depth = params->cq_depth;
  144. create_cmd.num_sub_cqs = params->num_sub_cqs;
  145. create_cmd.uar = params->uarn;
  146. if (params->interrupt_mode_enabled) {
  147. EFA_SET(&create_cmd.cq_caps_1,
  148. EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED, 1);
  149. create_cmd.eqn = params->eqn;
  150. }
  151. if (params->set_src_addr) {
  152. EFA_SET(&create_cmd.cq_caps_2,
  153. EFA_ADMIN_CREATE_CQ_CMD_SET_SRC_ADDR, 1);
  154. }
  155. efa_com_set_dma_addr(params->dma_addr,
  156. &create_cmd.cq_ba.mem_addr_high,
  157. &create_cmd.cq_ba.mem_addr_low);
  158. err = efa_com_cmd_exec(aq,
  159. (struct efa_admin_aq_entry *)&create_cmd,
  160. sizeof(create_cmd),
  161. (struct efa_admin_acq_entry *)&cmd_completion,
  162. sizeof(cmd_completion));
  163. if (err) {
  164. ibdev_err_ratelimited(edev->efa_dev,
  165. "Failed to create cq[%d]\n", err);
  166. return err;
  167. }
  168. result->cq_idx = cmd_completion.cq_idx;
  169. result->actual_depth = params->cq_depth;
  170. result->db_off = cmd_completion.db_offset;
  171. result->db_valid = EFA_GET(&cmd_completion.flags,
  172. EFA_ADMIN_CREATE_CQ_RESP_DB_VALID);
  173. return 0;
  174. }
  175. int efa_com_destroy_cq(struct efa_com_dev *edev,
  176. struct efa_com_destroy_cq_params *params)
  177. {
  178. struct efa_admin_destroy_cq_cmd destroy_cmd = {};
  179. struct efa_admin_destroy_cq_resp destroy_resp;
  180. struct efa_com_admin_queue *aq = &edev->aq;
  181. int err;
  182. destroy_cmd.cq_idx = params->cq_idx;
  183. destroy_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_CQ;
  184. err = efa_com_cmd_exec(aq,
  185. (struct efa_admin_aq_entry *)&destroy_cmd,
  186. sizeof(destroy_cmd),
  187. (struct efa_admin_acq_entry *)&destroy_resp,
  188. sizeof(destroy_resp));
  189. if (err) {
  190. ibdev_err_ratelimited(edev->efa_dev,
  191. "Failed to destroy CQ-%u [%d]\n",
  192. params->cq_idx, err);
  193. return err;
  194. }
  195. return 0;
  196. }
  197. int efa_com_register_mr(struct efa_com_dev *edev,
  198. struct efa_com_reg_mr_params *params,
  199. struct efa_com_reg_mr_result *result)
  200. {
  201. struct efa_admin_reg_mr_resp cmd_completion;
  202. struct efa_com_admin_queue *aq = &edev->aq;
  203. struct efa_admin_reg_mr_cmd mr_cmd = {};
  204. int err;
  205. mr_cmd.aq_common_desc.opcode = EFA_ADMIN_REG_MR;
  206. mr_cmd.pd = params->pd;
  207. mr_cmd.mr_length = params->mr_length_in_bytes;
  208. EFA_SET(&mr_cmd.flags, EFA_ADMIN_REG_MR_CMD_PHYS_PAGE_SIZE_SHIFT,
  209. params->page_shift);
  210. mr_cmd.iova = params->iova;
  211. mr_cmd.permissions = params->permissions;
  212. if (params->inline_pbl) {
  213. memcpy(mr_cmd.pbl.inline_pbl_array,
  214. params->pbl.inline_pbl_array,
  215. sizeof(mr_cmd.pbl.inline_pbl_array));
  216. } else {
  217. mr_cmd.pbl.pbl.length = params->pbl.pbl.length;
  218. mr_cmd.pbl.pbl.address.mem_addr_low =
  219. params->pbl.pbl.address.mem_addr_low;
  220. mr_cmd.pbl.pbl.address.mem_addr_high =
  221. params->pbl.pbl.address.mem_addr_high;
  222. EFA_SET(&mr_cmd.aq_common_desc.flags,
  223. EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
  224. if (params->indirect)
  225. EFA_SET(&mr_cmd.aq_common_desc.flags,
  226. EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA_INDIRECT, 1);
  227. }
  228. err = efa_com_cmd_exec(aq,
  229. (struct efa_admin_aq_entry *)&mr_cmd,
  230. sizeof(mr_cmd),
  231. (struct efa_admin_acq_entry *)&cmd_completion,
  232. sizeof(cmd_completion));
  233. if (err) {
  234. ibdev_err_ratelimited(edev->efa_dev,
  235. "Failed to register mr [%d]\n", err);
  236. return err;
  237. }
  238. result->l_key = cmd_completion.l_key;
  239. result->r_key = cmd_completion.r_key;
  240. result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
  241. result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
  242. result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
  243. result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
  244. EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
  245. result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
  246. EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
  247. result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
  248. EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
  249. return 0;
  250. }
  251. int efa_com_dereg_mr(struct efa_com_dev *edev,
  252. struct efa_com_dereg_mr_params *params)
  253. {
  254. struct efa_admin_dereg_mr_resp cmd_completion;
  255. struct efa_com_admin_queue *aq = &edev->aq;
  256. struct efa_admin_dereg_mr_cmd mr_cmd = {};
  257. int err;
  258. mr_cmd.aq_common_desc.opcode = EFA_ADMIN_DEREG_MR;
  259. mr_cmd.l_key = params->l_key;
  260. err = efa_com_cmd_exec(aq,
  261. (struct efa_admin_aq_entry *)&mr_cmd,
  262. sizeof(mr_cmd),
  263. (struct efa_admin_acq_entry *)&cmd_completion,
  264. sizeof(cmd_completion));
  265. if (err) {
  266. ibdev_err_ratelimited(edev->efa_dev,
  267. "Failed to de-register mr(lkey-%u) [%d]\n",
  268. mr_cmd.l_key, err);
  269. return err;
  270. }
  271. return 0;
  272. }
  273. int efa_com_create_ah(struct efa_com_dev *edev,
  274. struct efa_com_create_ah_params *params,
  275. struct efa_com_create_ah_result *result)
  276. {
  277. struct efa_admin_create_ah_resp cmd_completion;
  278. struct efa_com_admin_queue *aq = &edev->aq;
  279. struct efa_admin_create_ah_cmd ah_cmd = {};
  280. int err;
  281. ah_cmd.aq_common_desc.opcode = EFA_ADMIN_CREATE_AH;
  282. memcpy(ah_cmd.dest_addr, params->dest_addr, sizeof(ah_cmd.dest_addr));
  283. ah_cmd.pd = params->pdn;
  284. err = efa_com_cmd_exec(aq,
  285. (struct efa_admin_aq_entry *)&ah_cmd,
  286. sizeof(ah_cmd),
  287. (struct efa_admin_acq_entry *)&cmd_completion,
  288. sizeof(cmd_completion));
  289. if (err) {
  290. ibdev_err_ratelimited(edev->efa_dev,
  291. "Failed to create ah for %pI6 [%d]\n",
  292. ah_cmd.dest_addr, err);
  293. return err;
  294. }
  295. result->ah = cmd_completion.ah;
  296. return 0;
  297. }
  298. int efa_com_destroy_ah(struct efa_com_dev *edev,
  299. struct efa_com_destroy_ah_params *params)
  300. {
  301. struct efa_admin_destroy_ah_resp cmd_completion;
  302. struct efa_admin_destroy_ah_cmd ah_cmd = {};
  303. struct efa_com_admin_queue *aq = &edev->aq;
  304. int err;
  305. ah_cmd.aq_common_desc.opcode = EFA_ADMIN_DESTROY_AH;
  306. ah_cmd.ah = params->ah;
  307. ah_cmd.pd = params->pdn;
  308. err = efa_com_cmd_exec(aq,
  309. (struct efa_admin_aq_entry *)&ah_cmd,
  310. sizeof(ah_cmd),
  311. (struct efa_admin_acq_entry *)&cmd_completion,
  312. sizeof(cmd_completion));
  313. if (err) {
  314. ibdev_err_ratelimited(edev->efa_dev,
  315. "Failed to destroy ah-%d pd-%d [%d]\n",
  316. ah_cmd.ah, ah_cmd.pd, err);
  317. return err;
  318. }
  319. return 0;
  320. }
  321. bool
  322. efa_com_check_supported_feature_id(struct efa_com_dev *edev,
  323. enum efa_admin_aq_feature_id feature_id)
  324. {
  325. u32 feature_mask = 1 << feature_id;
  326. /* Device attributes is always supported */
  327. if (feature_id != EFA_ADMIN_DEVICE_ATTR &&
  328. !(edev->supported_features & feature_mask))
  329. return false;
  330. return true;
  331. }
  332. static int efa_com_get_feature_ex(struct efa_com_dev *edev,
  333. struct efa_admin_get_feature_resp *get_resp,
  334. enum efa_admin_aq_feature_id feature_id,
  335. dma_addr_t control_buf_dma_addr,
  336. u32 control_buff_size)
  337. {
  338. struct efa_admin_get_feature_cmd get_cmd = {};
  339. struct efa_com_admin_queue *aq;
  340. int err;
  341. if (!efa_com_check_supported_feature_id(edev, feature_id)) {
  342. ibdev_err_ratelimited(edev->efa_dev,
  343. "Feature %d isn't supported\n",
  344. feature_id);
  345. return -EOPNOTSUPP;
  346. }
  347. aq = &edev->aq;
  348. get_cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_FEATURE;
  349. if (control_buff_size)
  350. EFA_SET(&get_cmd.aq_common_descriptor.flags,
  351. EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
  352. efa_com_set_dma_addr(control_buf_dma_addr,
  353. &get_cmd.control_buffer.address.mem_addr_high,
  354. &get_cmd.control_buffer.address.mem_addr_low);
  355. get_cmd.control_buffer.length = control_buff_size;
  356. get_cmd.feature_common.feature_id = feature_id;
  357. err = efa_com_cmd_exec(aq,
  358. (struct efa_admin_aq_entry *)
  359. &get_cmd,
  360. sizeof(get_cmd),
  361. (struct efa_admin_acq_entry *)
  362. get_resp,
  363. sizeof(*get_resp));
  364. if (err) {
  365. ibdev_err_ratelimited(
  366. edev->efa_dev,
  367. "Failed to submit get_feature command %d [%d]\n",
  368. feature_id, err);
  369. return err;
  370. }
  371. return 0;
  372. }
  373. static int efa_com_get_feature(struct efa_com_dev *edev,
  374. struct efa_admin_get_feature_resp *get_resp,
  375. enum efa_admin_aq_feature_id feature_id)
  376. {
  377. return efa_com_get_feature_ex(edev, get_resp, feature_id, 0, 0);
  378. }
  379. int efa_com_get_device_attr(struct efa_com_dev *edev,
  380. struct efa_com_get_device_attr_result *result)
  381. {
  382. struct efa_admin_get_feature_resp resp;
  383. int err;
  384. err = efa_com_get_feature(edev, &resp, EFA_ADMIN_DEVICE_ATTR);
  385. if (err) {
  386. ibdev_err_ratelimited(edev->efa_dev,
  387. "Failed to get device attributes %d\n",
  388. err);
  389. return err;
  390. }
  391. result->page_size_cap = resp.u.device_attr.page_size_cap;
  392. result->fw_version = resp.u.device_attr.fw_version;
  393. result->admin_api_version = resp.u.device_attr.admin_api_version;
  394. result->device_version = resp.u.device_attr.device_version;
  395. result->supported_features = resp.u.device_attr.supported_features;
  396. result->phys_addr_width = resp.u.device_attr.phys_addr_width;
  397. result->virt_addr_width = resp.u.device_attr.virt_addr_width;
  398. result->db_bar = resp.u.device_attr.db_bar;
  399. result->max_rdma_size = resp.u.device_attr.max_rdma_size;
  400. result->device_caps = resp.u.device_attr.device_caps;
  401. result->guid = resp.u.device_attr.guid;
  402. if (result->admin_api_version < 1) {
  403. ibdev_err_ratelimited(
  404. edev->efa_dev,
  405. "Failed to get device attr api version [%u < 1]\n",
  406. result->admin_api_version);
  407. return -EINVAL;
  408. }
  409. edev->supported_features = resp.u.device_attr.supported_features;
  410. err = efa_com_get_feature(edev, &resp,
  411. EFA_ADMIN_QUEUE_ATTR);
  412. if (err) {
  413. ibdev_err_ratelimited(edev->efa_dev,
  414. "Failed to get queue attributes %d\n",
  415. err);
  416. return err;
  417. }
  418. result->max_qp = resp.u.queue_attr.max_qp;
  419. result->max_sq_depth = resp.u.queue_attr.max_sq_depth;
  420. result->max_rq_depth = resp.u.queue_attr.max_rq_depth;
  421. result->max_cq = resp.u.queue_attr.max_cq;
  422. result->max_cq_depth = resp.u.queue_attr.max_cq_depth;
  423. result->inline_buf_size = resp.u.queue_attr.inline_buf_size;
  424. result->max_sq_sge = resp.u.queue_attr.max_wr_send_sges;
  425. result->max_rq_sge = resp.u.queue_attr.max_wr_recv_sges;
  426. result->max_mr = resp.u.queue_attr.max_mr;
  427. result->max_mr_pages = resp.u.queue_attr.max_mr_pages;
  428. result->max_pd = resp.u.queue_attr.max_pd;
  429. result->max_ah = resp.u.queue_attr.max_ah;
  430. result->max_llq_size = resp.u.queue_attr.max_llq_size;
  431. result->sub_cqs_per_cq = resp.u.queue_attr.sub_cqs_per_cq;
  432. result->max_wr_rdma_sge = resp.u.queue_attr.max_wr_rdma_sges;
  433. result->max_tx_batch = resp.u.queue_attr.max_tx_batch;
  434. result->min_sq_depth = resp.u.queue_attr.min_sq_depth;
  435. err = efa_com_get_feature(edev, &resp, EFA_ADMIN_NETWORK_ATTR);
  436. if (err) {
  437. ibdev_err_ratelimited(edev->efa_dev,
  438. "Failed to get network attributes %d\n",
  439. err);
  440. return err;
  441. }
  442. memcpy(result->addr, resp.u.network_attr.addr,
  443. sizeof(resp.u.network_attr.addr));
  444. result->mtu = resp.u.network_attr.mtu;
  445. if (efa_com_check_supported_feature_id(edev,
  446. EFA_ADMIN_EVENT_QUEUE_ATTR)) {
  447. err = efa_com_get_feature(edev, &resp,
  448. EFA_ADMIN_EVENT_QUEUE_ATTR);
  449. if (err) {
  450. ibdev_err_ratelimited(
  451. edev->efa_dev,
  452. "Failed to get event queue attributes %d\n",
  453. err);
  454. return err;
  455. }
  456. result->max_eq = resp.u.event_queue_attr.max_eq;
  457. result->max_eq_depth = resp.u.event_queue_attr.max_eq_depth;
  458. result->event_bitmask = resp.u.event_queue_attr.event_bitmask;
  459. }
  460. return 0;
  461. }
  462. int efa_com_get_hw_hints(struct efa_com_dev *edev,
  463. struct efa_com_get_hw_hints_result *result)
  464. {
  465. struct efa_admin_get_feature_resp resp;
  466. int err;
  467. err = efa_com_get_feature(edev, &resp, EFA_ADMIN_HW_HINTS);
  468. if (err) {
  469. ibdev_err_ratelimited(edev->efa_dev,
  470. "Failed to get hw hints %d\n", err);
  471. return err;
  472. }
  473. result->admin_completion_timeout = resp.u.hw_hints.admin_completion_timeout;
  474. result->driver_watchdog_timeout = resp.u.hw_hints.driver_watchdog_timeout;
  475. result->mmio_read_timeout = resp.u.hw_hints.mmio_read_timeout;
  476. result->poll_interval = resp.u.hw_hints.poll_interval;
  477. return 0;
  478. }
  479. int efa_com_set_feature_ex(struct efa_com_dev *edev,
  480. struct efa_admin_set_feature_resp *set_resp,
  481. struct efa_admin_set_feature_cmd *set_cmd,
  482. enum efa_admin_aq_feature_id feature_id,
  483. dma_addr_t control_buf_dma_addr,
  484. u32 control_buff_size)
  485. {
  486. struct efa_com_admin_queue *aq;
  487. int err;
  488. if (!efa_com_check_supported_feature_id(edev, feature_id)) {
  489. ibdev_err_ratelimited(edev->efa_dev,
  490. "Feature %d isn't supported\n",
  491. feature_id);
  492. return -EOPNOTSUPP;
  493. }
  494. aq = &edev->aq;
  495. set_cmd->aq_common_descriptor.opcode = EFA_ADMIN_SET_FEATURE;
  496. if (control_buff_size) {
  497. set_cmd->aq_common_descriptor.flags = 0;
  498. EFA_SET(&set_cmd->aq_common_descriptor.flags,
  499. EFA_ADMIN_AQ_COMMON_DESC_CTRL_DATA, 1);
  500. efa_com_set_dma_addr(control_buf_dma_addr,
  501. &set_cmd->control_buffer.address.mem_addr_high,
  502. &set_cmd->control_buffer.address.mem_addr_low);
  503. }
  504. set_cmd->control_buffer.length = control_buff_size;
  505. set_cmd->feature_common.feature_id = feature_id;
  506. err = efa_com_cmd_exec(aq,
  507. (struct efa_admin_aq_entry *)set_cmd,
  508. sizeof(*set_cmd),
  509. (struct efa_admin_acq_entry *)set_resp,
  510. sizeof(*set_resp));
  511. if (err) {
  512. ibdev_err_ratelimited(
  513. edev->efa_dev,
  514. "Failed to submit set_feature command %d error: %d\n",
  515. feature_id, err);
  516. return err;
  517. }
  518. return 0;
  519. }
  520. static int efa_com_set_feature(struct efa_com_dev *edev,
  521. struct efa_admin_set_feature_resp *set_resp,
  522. struct efa_admin_set_feature_cmd *set_cmd,
  523. enum efa_admin_aq_feature_id feature_id)
  524. {
  525. return efa_com_set_feature_ex(edev, set_resp, set_cmd, feature_id,
  526. 0, 0);
  527. }
  528. int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups)
  529. {
  530. struct efa_admin_get_feature_resp get_resp;
  531. struct efa_admin_set_feature_resp set_resp;
  532. struct efa_admin_set_feature_cmd cmd = {};
  533. int err;
  534. ibdev_dbg(edev->efa_dev, "Configuring aenq with groups[%#x]\n", groups);
  535. err = efa_com_get_feature(edev, &get_resp, EFA_ADMIN_AENQ_CONFIG);
  536. if (err) {
  537. ibdev_err_ratelimited(edev->efa_dev,
  538. "Failed to get aenq attributes: %d\n",
  539. err);
  540. return err;
  541. }
  542. ibdev_dbg(edev->efa_dev,
  543. "Get aenq groups: supported[%#x] enabled[%#x]\n",
  544. get_resp.u.aenq.supported_groups,
  545. get_resp.u.aenq.enabled_groups);
  546. if ((get_resp.u.aenq.supported_groups & groups) != groups) {
  547. ibdev_err_ratelimited(
  548. edev->efa_dev,
  549. "Trying to set unsupported aenq groups[%#x] supported[%#x]\n",
  550. groups, get_resp.u.aenq.supported_groups);
  551. return -EOPNOTSUPP;
  552. }
  553. cmd.u.aenq.enabled_groups = groups;
  554. err = efa_com_set_feature(edev, &set_resp, &cmd,
  555. EFA_ADMIN_AENQ_CONFIG);
  556. if (err) {
  557. ibdev_err_ratelimited(edev->efa_dev,
  558. "Failed to set aenq attributes: %d\n",
  559. err);
  560. return err;
  561. }
  562. return 0;
  563. }
  564. int efa_com_alloc_pd(struct efa_com_dev *edev,
  565. struct efa_com_alloc_pd_result *result)
  566. {
  567. struct efa_com_admin_queue *aq = &edev->aq;
  568. struct efa_admin_alloc_pd_cmd cmd = {};
  569. struct efa_admin_alloc_pd_resp resp;
  570. int err;
  571. cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_PD;
  572. err = efa_com_cmd_exec(aq,
  573. (struct efa_admin_aq_entry *)&cmd,
  574. sizeof(cmd),
  575. (struct efa_admin_acq_entry *)&resp,
  576. sizeof(resp));
  577. if (err) {
  578. ibdev_err_ratelimited(edev->efa_dev,
  579. "Failed to allocate pd[%d]\n", err);
  580. return err;
  581. }
  582. result->pdn = resp.pd;
  583. return 0;
  584. }
  585. int efa_com_dealloc_pd(struct efa_com_dev *edev,
  586. struct efa_com_dealloc_pd_params *params)
  587. {
  588. struct efa_com_admin_queue *aq = &edev->aq;
  589. struct efa_admin_dealloc_pd_cmd cmd = {};
  590. struct efa_admin_dealloc_pd_resp resp;
  591. int err;
  592. cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_PD;
  593. cmd.pd = params->pdn;
  594. err = efa_com_cmd_exec(aq,
  595. (struct efa_admin_aq_entry *)&cmd,
  596. sizeof(cmd),
  597. (struct efa_admin_acq_entry *)&resp,
  598. sizeof(resp));
  599. if (err) {
  600. ibdev_err_ratelimited(edev->efa_dev,
  601. "Failed to deallocate pd-%u [%d]\n",
  602. cmd.pd, err);
  603. return err;
  604. }
  605. return 0;
  606. }
  607. int efa_com_alloc_uar(struct efa_com_dev *edev,
  608. struct efa_com_alloc_uar_result *result)
  609. {
  610. struct efa_com_admin_queue *aq = &edev->aq;
  611. struct efa_admin_alloc_uar_cmd cmd = {};
  612. struct efa_admin_alloc_uar_resp resp;
  613. int err;
  614. cmd.aq_common_descriptor.opcode = EFA_ADMIN_ALLOC_UAR;
  615. err = efa_com_cmd_exec(aq,
  616. (struct efa_admin_aq_entry *)&cmd,
  617. sizeof(cmd),
  618. (struct efa_admin_acq_entry *)&resp,
  619. sizeof(resp));
  620. if (err) {
  621. ibdev_err_ratelimited(edev->efa_dev,
  622. "Failed to allocate uar[%d]\n", err);
  623. return err;
  624. }
  625. result->uarn = resp.uar;
  626. return 0;
  627. }
  628. int efa_com_dealloc_uar(struct efa_com_dev *edev,
  629. struct efa_com_dealloc_uar_params *params)
  630. {
  631. struct efa_com_admin_queue *aq = &edev->aq;
  632. struct efa_admin_dealloc_uar_cmd cmd = {};
  633. struct efa_admin_dealloc_uar_resp resp;
  634. int err;
  635. cmd.aq_common_descriptor.opcode = EFA_ADMIN_DEALLOC_UAR;
  636. cmd.uar = params->uarn;
  637. err = efa_com_cmd_exec(aq,
  638. (struct efa_admin_aq_entry *)&cmd,
  639. sizeof(cmd),
  640. (struct efa_admin_acq_entry *)&resp,
  641. sizeof(resp));
  642. if (err) {
  643. ibdev_err_ratelimited(edev->efa_dev,
  644. "Failed to deallocate uar-%u [%d]\n",
  645. cmd.uar, err);
  646. return err;
  647. }
  648. return 0;
  649. }
  650. int efa_com_get_stats(struct efa_com_dev *edev,
  651. struct efa_com_get_stats_params *params,
  652. union efa_com_get_stats_result *result)
  653. {
  654. struct efa_com_admin_queue *aq = &edev->aq;
  655. struct efa_admin_aq_get_stats_cmd cmd = {};
  656. struct efa_admin_acq_get_stats_resp resp;
  657. int err;
  658. cmd.aq_common_descriptor.opcode = EFA_ADMIN_GET_STATS;
  659. cmd.type = params->type;
  660. cmd.scope = params->scope;
  661. cmd.scope_modifier = params->scope_modifier;
  662. err = efa_com_cmd_exec(aq,
  663. (struct efa_admin_aq_entry *)&cmd,
  664. sizeof(cmd),
  665. (struct efa_admin_acq_entry *)&resp,
  666. sizeof(resp));
  667. if (err) {
  668. ibdev_err_ratelimited(
  669. edev->efa_dev,
  670. "Failed to get stats type-%u scope-%u.%u [%d]\n",
  671. cmd.type, cmd.scope, cmd.scope_modifier, err);
  672. return err;
  673. }
  674. switch (cmd.type) {
  675. case EFA_ADMIN_GET_STATS_TYPE_BASIC:
  676. result->basic_stats.tx_bytes = resp.u.basic_stats.tx_bytes;
  677. result->basic_stats.tx_pkts = resp.u.basic_stats.tx_pkts;
  678. result->basic_stats.rx_bytes = resp.u.basic_stats.rx_bytes;
  679. result->basic_stats.rx_pkts = resp.u.basic_stats.rx_pkts;
  680. result->basic_stats.rx_drops = resp.u.basic_stats.rx_drops;
  681. break;
  682. case EFA_ADMIN_GET_STATS_TYPE_MESSAGES:
  683. result->messages_stats.send_bytes = resp.u.messages_stats.send_bytes;
  684. result->messages_stats.send_wrs = resp.u.messages_stats.send_wrs;
  685. result->messages_stats.recv_bytes = resp.u.messages_stats.recv_bytes;
  686. result->messages_stats.recv_wrs = resp.u.messages_stats.recv_wrs;
  687. break;
  688. case EFA_ADMIN_GET_STATS_TYPE_RDMA_READ:
  689. result->rdma_read_stats.read_wrs = resp.u.rdma_read_stats.read_wrs;
  690. result->rdma_read_stats.read_bytes = resp.u.rdma_read_stats.read_bytes;
  691. result->rdma_read_stats.read_wr_err = resp.u.rdma_read_stats.read_wr_err;
  692. result->rdma_read_stats.read_resp_bytes = resp.u.rdma_read_stats.read_resp_bytes;
  693. break;
  694. case EFA_ADMIN_GET_STATS_TYPE_RDMA_WRITE:
  695. result->rdma_write_stats.write_wrs = resp.u.rdma_write_stats.write_wrs;
  696. result->rdma_write_stats.write_bytes = resp.u.rdma_write_stats.write_bytes;
  697. result->rdma_write_stats.write_wr_err = resp.u.rdma_write_stats.write_wr_err;
  698. result->rdma_write_stats.write_recv_bytes = resp.u.rdma_write_stats.write_recv_bytes;
  699. break;
  700. }
  701. return 0;
  702. }