1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 Emulex. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Source file containing Queue handling functions 29 * 30 */ 31 32 #include <oce_impl.h> 33 34 int oce_destroy_q(struct oce_dev *oce, struct oce_mbx *mbx, size_t req_size, 35 enum qtype qtype); 36 /* MAil box Queue functions */ 37 struct oce_mq * 38 oce_mq_create(struct oce_dev *dev, struct oce_eq *eq, uint32_t q_len); 39 40 /* event queue handling */ 41 struct oce_eq * 42 oce_eq_create(struct oce_dev *dev, uint32_t q_len, uint32_t item_size, 43 uint32_t eq_delay); 44 45 /* completion queue handling */ 46 struct oce_cq * 47 oce_cq_create(struct oce_dev *dev, struct oce_eq *eq, uint32_t q_len, 48 uint32_t item_size, boolean_t sol_event, boolean_t is_eventable, 49 boolean_t nodelay, uint32_t ncoalesce); 50 51 52 /* Tx WQ functions */ 53 static struct oce_wq *oce_wq_init(struct oce_dev *dev, uint32_t q_len, 54 int wq_type); 55 static void oce_wq_fini(struct oce_dev *dev, struct oce_wq *wq); 56 static int oce_wq_create(struct oce_wq *wq, struct oce_eq *eq); 57 static void oce_wq_del(struct oce_dev *dev, struct oce_wq *wq); 58 /* Rx Queue functions */ 59 static struct oce_rq *oce_rq_init(struct oce_dev *dev, uint32_t q_len, 60 uint32_t frag_size, uint32_t mtu, 61 boolean_t rss); 62 static void oce_rq_fini(struct oce_dev *dev, struct oce_rq *rq); 63 static int oce_rq_create(struct oce_rq *rq, uint32_t if_id, struct oce_eq *eq); 64 static void oce_rq_del(struct oce_dev *dev, struct oce_rq *rq); 65 66 /* 67 * function to create an event queue 68 * 69 * dev - software handle to the device 70 * eqcfg - pointer to a config structure containg the eq parameters 71 * 72 * return pointer to EQ; NULL on failure 73 */ 74 struct oce_eq * 75 oce_eq_create(struct oce_dev *dev, uint32_t q_len, uint32_t item_size, 76 uint32_t eq_delay) 77 { 78 struct oce_eq *eq; 79 struct oce_mbx mbx; 80 struct mbx_create_common_eq *fwcmd; 81 int ret = 0; 82 83 /* allocate an eq */ 84 eq = kmem_zalloc(sizeof (struct oce_eq), KM_NOSLEEP); 85 86 if (eq == NULL) { 87 return (NULL); 88 } 89 90 bzero(&mbx, sizeof (struct oce_mbx)); 91 /* allocate mbx */ 92 fwcmd = (struct mbx_create_common_eq *)&mbx.payload; 93 94 eq->ring = create_ring_buffer(dev, q_len, 95 item_size, DDI_DMA_CONSISTENT); 96 97 if (eq->ring == NULL) { 98 oce_log(dev, CE_WARN, MOD_CONFIG, 99 "EQ ring alloc failed:0x%p", 100 (void *)eq->ring); 101 kmem_free(eq, sizeof (struct oce_eq)); 102 return (NULL); 103 } 104 105 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 106 MBX_SUBSYSTEM_COMMON, 107 OPCODE_CREATE_COMMON_EQ, MBX_TIMEOUT_SEC, 108 sizeof (struct mbx_create_common_eq)); 109 110 fwcmd->params.req.num_pages = eq->ring->dbuf->num_pages; 111 oce_page_list(eq->ring->dbuf, &fwcmd->params.req.pages[0], 112 eq->ring->dbuf->num_pages); 113 114 /* dw 0 */ 115 fwcmd->params.req.eq_ctx.size = (item_size == 4) ? 0 : 1; 116 fwcmd->params.req.eq_ctx.valid = 1; 117 /* dw 1 */ 118 fwcmd->params.req.eq_ctx.armed = 0; 119 fwcmd->params.req.eq_ctx.pd = 0; 120 fwcmd->params.req.eq_ctx.count = OCE_LOG2(q_len/256); 121 122 /* dw 2 */ 123 fwcmd->params.req.eq_ctx.function = dev->fn; 124 fwcmd->params.req.eq_ctx.nodelay = 0; 125 fwcmd->params.req.eq_ctx.phase = 0; 126 /* todo: calculate multiplier from max min and cur */ 127 fwcmd->params.req.eq_ctx.delay_mult = eq_delay; 128 129 /* fill rest of mbx */ 130 mbx.u0.s.embedded = 1; 131 mbx.payload_length = sizeof (struct mbx_create_common_eq); 132 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 133 134 /* now post the command */ 135 ret = oce_mbox_post(dev, &mbx, NULL); 136 137 if (ret != 0) { 138 oce_log(dev, CE_WARN, MOD_CONFIG, 139 "EQ create failed: %d", ret); 140 destroy_ring_buffer(dev, eq->ring); 141 kmem_free(eq, sizeof (struct oce_eq)); 142 return (NULL); 143 } 144 145 /* interpret the response */ 146 eq->eq_id = LE_16(fwcmd->params.rsp.eq_id); 147 eq->eq_cfg.q_len = q_len; 148 eq->eq_cfg.item_size = item_size; 149 eq->eq_cfg.cur_eqd = (uint8_t)eq_delay; 150 eq->parent = (void *)dev; 151 atomic_inc_32(&dev->neqs); 152 oce_log(dev, CE_NOTE, MOD_CONFIG, 153 "EQ created, eq=0x%p eq_id=0x%x", (void *)eq, eq->eq_id); 154 /* Save the eq pointer */ 155 return (eq); 156 } /* oce_eq_create */ 157 158 /* 159 * function to delete an event queue 160 * 161 * dev - software handle to the device 162 * eq - handle to the eq to be deleted 163 * 164 * return 0=>success, failure otherwise 165 */ 166 void 167 oce_eq_del(struct oce_dev *dev, struct oce_eq *eq) 168 { 169 struct oce_mbx mbx; 170 struct mbx_destroy_common_eq *fwcmd; 171 172 /* drain the residual events */ 173 oce_drain_eq(eq); 174 175 /* destroy the ring */ 176 destroy_ring_buffer(dev, eq->ring); 177 eq->ring = NULL; 178 179 /* send a command to delete the EQ */ 180 fwcmd = (struct mbx_destroy_common_eq *)&mbx.payload; 181 fwcmd->params.req.id = eq->eq_id; 182 (void) oce_destroy_q(dev, &mbx, 183 sizeof (struct mbx_destroy_common_eq), 184 QTYPE_EQ); 185 kmem_free(eq, sizeof (struct oce_eq)); 186 atomic_dec_32(&dev->neqs); 187 } 188 189 /* 190 * function to create a completion queue 191 * 192 * dev - software handle to the device 193 * eq - optional eq to be associated with to the cq 194 * cqcfg - configuration for this queue 195 * 196 * return pointer to the cq created. NULL on failure 197 */ 198 struct oce_cq * 199 oce_cq_create(struct oce_dev *dev, struct oce_eq *eq, uint32_t q_len, 200 uint32_t item_size, boolean_t sol_event, boolean_t is_eventable, 201 boolean_t nodelay, uint32_t ncoalesce) 202 { 203 struct oce_cq *cq = NULL; 204 struct oce_mbx mbx; 205 struct mbx_create_common_cq *fwcmd; 206 int ret = 0; 207 208 /* create cq */ 209 cq = kmem_zalloc(sizeof (struct oce_cq), KM_NOSLEEP); 210 if (cq == NULL) { 211 oce_log(dev, CE_NOTE, MOD_CONFIG, "%s", 212 "CQ allocation failed"); 213 return (NULL); 214 } 215 216 /* create the ring buffer for this queue */ 217 cq->ring = create_ring_buffer(dev, q_len, 218 item_size, DDI_DMA_CONSISTENT); 219 if (cq->ring == NULL) { 220 oce_log(dev, CE_WARN, MOD_CONFIG, 221 "CQ ring alloc failed:0x%p", 222 (void *)cq->ring); 223 kmem_free(cq, sizeof (struct oce_cq)); 224 return (NULL); 225 } 226 /* initialize mailbox */ 227 bzero(&mbx, sizeof (struct oce_mbx)); 228 fwcmd = (struct mbx_create_common_cq *)&mbx.payload; 229 230 /* fill the command header */ 231 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 232 MBX_SUBSYSTEM_COMMON, 233 OPCODE_CREATE_COMMON_CQ, MBX_TIMEOUT_SEC, 234 sizeof (struct mbx_create_common_cq)); 235 236 /* fill command context */ 237 /* dw0 */ 238 fwcmd->params.req.cq_ctx.eventable = is_eventable; 239 fwcmd->params.req.cq_ctx.sol_event = sol_event; 240 fwcmd->params.req.cq_ctx.valid = 1; 241 fwcmd->params.req.cq_ctx.count = OCE_LOG2(q_len/256); 242 fwcmd->params.req.cq_ctx.nodelay = nodelay; 243 fwcmd->params.req.cq_ctx.coalesce_wm = ncoalesce; 244 245 /* dw1 */ 246 fwcmd->params.req.cq_ctx.armed = B_FALSE; 247 fwcmd->params.req.cq_ctx.eq_id = eq->eq_id; 248 fwcmd->params.req.cq_ctx.pd = 0; 249 /* dw2 */ 250 fwcmd->params.req.cq_ctx.function = dev->fn; 251 252 /* fill the rest of the command */ 253 fwcmd->params.req.num_pages = cq->ring->dbuf->num_pages; 254 oce_page_list(cq->ring->dbuf, &fwcmd->params.req.pages[0], 255 cq->ring->dbuf->num_pages); 256 257 /* fill rest of mbx */ 258 mbx.u0.s.embedded = 1; 259 mbx.payload_length = sizeof (struct mbx_create_common_cq); 260 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 261 262 /* now send the mail box */ 263 ret = oce_mbox_post(dev, &mbx, NULL); 264 265 if (ret != 0) { 266 oce_log(dev, CE_WARN, MOD_CONFIG, 267 "CQ create failed: 0x%x", ret); 268 destroy_ring_buffer(dev, cq->ring); 269 kmem_free(cq, sizeof (struct oce_cq)); 270 return (NULL); 271 } 272 273 cq->parent = dev; 274 cq->eq = eq; /* eq array index */ 275 cq->cq_cfg.q_len = q_len; 276 cq->cq_cfg.item_size = item_size; 277 cq->cq_cfg.sol_eventable = (uint8_t)sol_event; 278 cq->cq_cfg.nodelay = (uint8_t)nodelay; 279 /* interpret the response */ 280 cq->cq_id = LE_16(fwcmd->params.rsp.cq_id); 281 dev->cq[cq->cq_id] = cq; 282 atomic_inc_32(&eq->ref_count); 283 return (cq); 284 } /* oce_cq_create */ 285 286 /* 287 * function to delete a completion queue 288 * 289 * dev - software handle to the device 290 * cq - handle to the CQ to delete 291 * 292 * return none 293 */ 294 static void 295 oce_cq_del(struct oce_dev *dev, struct oce_cq *cq) 296 { 297 struct oce_mbx mbx; 298 struct mbx_destroy_common_cq *fwcmd; 299 300 /* destroy the ring */ 301 destroy_ring_buffer(dev, cq->ring); 302 cq->ring = NULL; 303 304 bzero(&mbx, sizeof (struct oce_mbx)); 305 /* send a command to delete the CQ */ 306 fwcmd = (struct mbx_destroy_common_cq *)&mbx.payload; 307 fwcmd->params.req.id = cq->cq_id; 308 (void) oce_destroy_q(dev, &mbx, 309 sizeof (struct mbx_destroy_common_cq), 310 QTYPE_CQ); 311 312 /* Reset the handler */ 313 cq->cq_handler = NULL; 314 dev->cq[cq->cq_id] = NULL; 315 atomic_dec_32(&cq->eq->ref_count); 316 mutex_destroy(&cq->lock); 317 318 /* release the eq */ 319 kmem_free(cq, sizeof (struct oce_cq)); 320 } /* oce_cq_del */ 321 322 /* 323 * function to create an MQ 324 * 325 * dev - software handle to the device 326 * eq - the EQ to associate with the MQ for event notification 327 * q_len - the number of entries to create in the MQ 328 * 329 * return pointer to the created MQ, failure otherwise 330 */ 331 struct oce_mq * 332 oce_mq_create(struct oce_dev *dev, struct oce_eq *eq, uint32_t q_len) 333 { 334 struct oce_mbx mbx; 335 struct mbx_create_common_mq *fwcmd; 336 struct oce_mq *mq = NULL; 337 int ret = 0; 338 struct oce_cq *cq; 339 340 /* Create the Completion Q */ 341 cq = oce_cq_create(dev, eq, CQ_LEN_256, 342 sizeof (struct oce_mq_cqe), 343 B_FALSE, B_TRUE, B_TRUE, 0); 344 if (cq == NULL) { 345 return (NULL); 346 } 347 348 349 /* allocate the mq */ 350 mq = kmem_zalloc(sizeof (struct oce_mq), KM_NOSLEEP); 351 352 if (mq == NULL) { 353 goto mq_alloc_fail; 354 } 355 356 bzero(&mbx, sizeof (struct oce_mbx)); 357 /* allocate mbx */ 358 fwcmd = (struct mbx_create_common_mq *)&mbx.payload; 359 360 /* create the ring buffer for this queue */ 361 mq->ring = create_ring_buffer(dev, q_len, 362 sizeof (struct oce_mbx), DDI_DMA_CONSISTENT); 363 if (mq->ring == NULL) { 364 oce_log(dev, CE_WARN, MOD_CONFIG, 365 "MQ ring alloc failed:0x%p", 366 (void *)mq->ring); 367 goto mq_ring_alloc; 368 } 369 370 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 371 MBX_SUBSYSTEM_COMMON, 372 OPCODE_CREATE_COMMON_MQ, MBX_TIMEOUT_SEC, 373 sizeof (struct mbx_create_common_mq)); 374 375 fwcmd->params.req.num_pages = mq->ring->dbuf->num_pages; 376 oce_page_list(mq->ring->dbuf, fwcmd->params.req.pages, 377 mq->ring->dbuf->num_pages); 378 fwcmd->params.req.context.u0.s.cq_id = cq->cq_id; 379 fwcmd->params.req.context.u0.s.ring_size = 380 OCE_LOG2(q_len) + 1; 381 fwcmd->params.req.context.u0.s.valid = 1; 382 fwcmd->params.req.context.u0.s.fid = dev->fn; 383 384 /* fill rest of mbx */ 385 mbx.u0.s.embedded = 1; 386 mbx.payload_length = sizeof (struct mbx_create_common_mq); 387 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 388 389 /* now send the mail box */ 390 ret = oce_mbox_post(dev, &mbx, NULL); 391 if (ret != DDI_SUCCESS) { 392 oce_log(dev, CE_WARN, MOD_CONFIG, 393 "MQ create failed: 0x%x", ret); 394 goto mq_fail; 395 } 396 397 /* interpret the response */ 398 mq->mq_id = LE_16(fwcmd->params.rsp.mq_id); 399 mq->cq = cq; 400 mq->cfg.q_len = (uint8_t)q_len; 401 mq->cfg.eqd = 0; 402 403 /* fill rest of the mq */ 404 mq->parent = dev; 405 406 /* set the MQCQ handlers */ 407 cq->cq_handler = oce_drain_mq_cq; 408 cq->cb_arg = (void *)mq; 409 mutex_init(&mq->lock, NULL, MUTEX_DRIVER, 410 DDI_INTR_PRI(dev->intr_pri)); 411 return (mq); 412 413 mq_fail: 414 destroy_ring_buffer(dev, mq->ring); 415 mq_ring_alloc: 416 kmem_free(mq, sizeof (struct oce_mq)); 417 mq_alloc_fail: 418 oce_cq_del(dev, cq); 419 return (NULL); 420 } /* oce_mq_create */ 421 422 /* 423 * function to delete an MQ 424 * 425 * dev - software handle to the device 426 * mq - pointer to the MQ to delete 427 * 428 * return none 429 */ 430 static void 431 oce_mq_del(struct oce_dev *dev, struct oce_mq *mq) 432 { 433 struct oce_mbx mbx; 434 struct mbx_destroy_common_mq *fwcmd; 435 436 /* destroy the ring */ 437 destroy_ring_buffer(dev, mq->ring); 438 mq->ring = NULL; 439 bzero(&mbx, sizeof (struct oce_mbx)); 440 fwcmd = (struct mbx_destroy_common_mq *)&mbx.payload; 441 fwcmd->params.req.id = mq->mq_id; 442 (void) oce_destroy_q(dev, &mbx, 443 sizeof (struct mbx_destroy_common_mq), 444 QTYPE_MQ); 445 oce_cq_del(dev, mq->cq); 446 mq->cq = NULL; 447 mutex_destroy(&mq->lock); 448 kmem_free(mq, sizeof (struct oce_mq)); 449 } /* oce_mq_del */ 450 451 /* 452 * function to create a WQ for NIC Tx 453 * 454 * dev - software handle to the device 455 * wqcfg - configuration structure providing WQ config parameters 456 * 457 * return pointer to the WQ created. NULL on failure 458 */ 459 static struct oce_wq * 460 oce_wq_init(struct oce_dev *dev, uint32_t q_len, int wq_type) 461 { 462 struct oce_wq *wq; 463 char str[MAX_POOL_NAME]; 464 int ret; 465 466 ASSERT(dev != NULL); 467 /* q_len must be min 256 and max 2k */ 468 if (q_len < 256 || q_len > 2048) { 469 oce_log(dev, CE_WARN, MOD_CONFIG, 470 "Invalid q length. Must be " 471 "[256, 2000]: 0x%x", q_len); 472 return (NULL); 473 } 474 475 /* allocate wq */ 476 wq = kmem_zalloc(sizeof (struct oce_wq), KM_NOSLEEP); 477 if (wq == NULL) { 478 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 479 "WQ allocation failed"); 480 } 481 482 /* Set the wq config */ 483 wq->cfg.q_len = q_len; 484 wq->cfg.wq_type = (uint8_t)wq_type; 485 wq->cfg.eqd = OCE_DEFAULT_WQ_EQD; 486 wq->cfg.nbufs = 2 * wq->cfg.q_len; 487 wq->cfg.nhdl = 2 * wq->cfg.q_len; 488 489 /* assign parent */ 490 wq->parent = (void *)dev; 491 492 /* Create the WQ Buffer pool */ 493 ret = oce_wqb_cache_create(wq, dev->tx_bcopy_limit); 494 if (ret != DDI_SUCCESS) { 495 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 496 "WQ Buffer Pool create failed "); 497 goto wqb_fail; 498 } 499 500 /* Create a pool of memory handles */ 501 ret = oce_wqm_cache_create(wq); 502 if (ret != DDI_SUCCESS) { 503 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 504 "WQ MAP Handles Pool create failed "); 505 goto wqm_fail; 506 } 507 508 (void) snprintf(str, MAX_POOL_NAME, "%s%d", "oce_wqed_", dev->dev_id); 509 wq->wqed_cache = kmem_cache_create(str, sizeof (oce_wqe_desc_t), 510 0, oce_wqe_desc_ctor, 511 oce_wqe_desc_dtor, NULL, NULL, NULL, 0); 512 if (wq->wqed_cache == NULL) { 513 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 514 "WQ Packet Desc Pool create failed "); 515 goto wqed_fail; 516 } 517 518 /* create the ring buffer */ 519 wq->ring = create_ring_buffer(dev, q_len, 520 NIC_WQE_SIZE, DDI_DMA_CONSISTENT); 521 if (wq->ring == NULL) { 522 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 523 "Failed to create WQ ring "); 524 goto wq_ringfail; 525 } 526 527 /* Initialize WQ lock */ 528 mutex_init(&wq->tx_lock, NULL, MUTEX_DRIVER, 529 DDI_INTR_PRI(dev->intr_pri)); 530 /* Initialize WQ lock */ 531 mutex_init(&wq->txc_lock, NULL, MUTEX_DRIVER, 532 DDI_INTR_PRI(dev->intr_pri)); 533 atomic_inc_32(&dev->nwqs); 534 535 OCE_LIST_CREATE(&wq->wqe_desc_list, DDI_INTR_PRI(dev->intr_pri)); 536 return (wq); 537 538 wqcq_fail: 539 destroy_ring_buffer(dev, wq->ring); 540 wq_ringfail: 541 kmem_cache_destroy(wq->wqed_cache); 542 wqed_fail: 543 oce_wqm_cache_destroy(wq); 544 wqm_fail: 545 oce_wqb_cache_destroy(wq); 546 wqb_fail: 547 kmem_free(wq, sizeof (struct oce_wq)); 548 return (NULL); 549 } /* oce_wq_create */ 550 551 /* 552 * function to delete a WQ 553 * 554 * dev - software handle to the device 555 * wq - WQ to delete 556 * 557 * return 0 => success, failure otherwise 558 */ 559 static void 560 oce_wq_fini(struct oce_dev *dev, struct oce_wq *wq) 561 { 562 /* destroy cq */ 563 oce_wqb_cache_destroy(wq); 564 oce_wqm_cache_destroy(wq); 565 kmem_cache_destroy(wq->wqed_cache); 566 567 /* Free the packet descriptor list */ 568 OCE_LIST_DESTROY(&wq->wqe_desc_list); 569 destroy_ring_buffer(dev, wq->ring); 570 wq->ring = NULL; 571 /* Destroy the Mutex */ 572 mutex_destroy(&wq->tx_lock); 573 mutex_destroy(&wq->txc_lock); 574 kmem_free(wq, sizeof (struct oce_wq)); 575 atomic_dec_32(&dev->nwqs); 576 } /* oce_wq_del */ 577 578 579 static int 580 oce_wq_create(struct oce_wq *wq, struct oce_eq *eq) 581 { 582 583 struct oce_mbx mbx; 584 struct mbx_create_nic_wq *fwcmd; 585 struct oce_dev *dev = wq->parent; 586 struct oce_cq *cq; 587 int ret; 588 589 /* create the CQ */ 590 cq = oce_cq_create(dev, eq, CQ_LEN_1024, 591 sizeof (struct oce_nic_tx_cqe), 592 B_FALSE, B_TRUE, B_FALSE, 3); 593 if (cq == NULL) { 594 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 595 "WCCQ create failed "); 596 return (DDI_FAILURE); 597 } 598 /* now fill the command */ 599 bzero(&mbx, sizeof (struct oce_mbx)); 600 fwcmd = (struct mbx_create_nic_wq *)&mbx.payload; 601 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 602 MBX_SUBSYSTEM_NIC, 603 OPCODE_CREATE_NIC_WQ, MBX_TIMEOUT_SEC, 604 sizeof (struct mbx_create_nic_wq)); 605 606 fwcmd->params.req.nic_wq_type = (uint8_t)wq->cfg.wq_type; 607 fwcmd->params.req.num_pages = wq->ring->dbuf->num_pages; 608 oce_log(dev, CE_NOTE, MOD_CONFIG, "NUM_PAGES = 0x%d size = %lu", 609 (uint32_t)wq->ring->dbuf->num_pages, 610 wq->ring->dbuf->size); 611 612 /* workaround: fill 0x01 for ulp_mask in rsvd0 */ 613 fwcmd->params.req.rsvd0 = 0x01; 614 fwcmd->params.req.wq_size = OCE_LOG2(wq->cfg.q_len) + 1; 615 fwcmd->params.req.valid = 1; 616 fwcmd->params.req.pd_id = 0; 617 fwcmd->params.req.pci_function_id = dev->fn; 618 fwcmd->params.req.cq_id = cq->cq_id; 619 620 oce_page_list(wq->ring->dbuf, fwcmd->params.req.pages, 621 wq->ring->dbuf->num_pages); 622 623 /* fill rest of mbx */ 624 mbx.u0.s.embedded = 1; 625 mbx.payload_length = sizeof (struct mbx_create_nic_wq); 626 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 627 628 /* now post the command */ 629 ret = oce_mbox_post(dev, &mbx, NULL); 630 if (ret != DDI_SUCCESS) { 631 oce_log(dev, CE_WARN, MOD_CONFIG, 632 "WQ create failed: %d", ret); 633 oce_cq_del(dev, cq); 634 return (ret); 635 636 } 637 638 /* interpret the response */ 639 wq->wq_id = LE_16(fwcmd->params.rsp.wq_id); 640 wq->qstate = QCREATED; 641 wq->cq = cq; 642 /* set the WQCQ handlers */ 643 wq->cq->cq_handler = oce_drain_wq_cq; 644 wq->cq->cb_arg = (void *)wq; 645 /* All are free to start with */ 646 wq->wq_free = wq->cfg.q_len; 647 /* reset indicies */ 648 wq->ring->cidx = 0; 649 wq->ring->pidx = 0; 650 return (0); 651 } 652 653 /* 654 * function to delete a WQ 655 * 656 * dev - software handle to the device 657 * wq - WQ to delete 658 * 659 * return none 660 */ 661 static void 662 oce_wq_del(struct oce_dev *dev, struct oce_wq *wq) 663 { 664 struct oce_mbx mbx; 665 struct mbx_delete_nic_wq *fwcmd; 666 667 668 ASSERT(dev != NULL); 669 ASSERT(wq != NULL); 670 if (wq->qstate == QCREATED) { 671 bzero(&mbx, sizeof (struct oce_mbx)); 672 /* now fill the command */ 673 fwcmd = (struct mbx_delete_nic_wq *)&mbx.payload; 674 fwcmd->params.req.wq_id = wq->wq_id; 675 (void) oce_destroy_q(dev, &mbx, 676 sizeof (struct mbx_delete_nic_wq), 677 QTYPE_WQ); 678 wq->qstate = QDELETED; 679 oce_cq_del(dev, wq->cq); 680 wq->cq = NULL; 681 } 682 } /* oce_wq_del */ 683 684 /* 685 * function to allocate RQ resources 686 * 687 * dev - software handle to the device 688 * rqcfg - configuration structure providing RQ config parameters 689 * 690 * return pointer to the RQ created. NULL on failure 691 */ 692 /* ARGSUSED */ 693 static struct oce_rq * 694 oce_rq_init(struct oce_dev *dev, uint32_t q_len, 695 uint32_t frag_size, uint32_t mtu, 696 boolean_t rss) 697 { 698 699 struct oce_rq *rq; 700 int ret; 701 702 /* validate q creation parameters */ 703 if (!OCE_LOG2(frag_size)) 704 return (NULL); 705 if ((q_len == 0) || (q_len > 1024)) 706 return (NULL); 707 708 /* allocate the rq */ 709 rq = kmem_zalloc(sizeof (struct oce_rq), KM_NOSLEEP); 710 if (rq == NULL) { 711 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 712 "RQ allocation failed"); 713 return (NULL); 714 } 715 716 rq->cfg.q_len = q_len; 717 rq->cfg.frag_size = frag_size; 718 rq->cfg.mtu = mtu; 719 rq->cfg.eqd = 0; 720 rq->cfg.nbufs = 8 * 1024; 721 722 /* assign parent */ 723 rq->parent = (void *)dev; 724 725 /* create the cache */ 726 ret = oce_rqb_cache_create(rq, OCE_RQ_BUF_SIZE + 727 OCE_RQE_BUF_HEADROOM); 728 if (ret != DDI_SUCCESS) { 729 goto rqb_fail; 730 } 731 732 /* create the ring buffer */ 733 rq->ring = create_ring_buffer(dev, q_len, 734 sizeof (struct oce_nic_rqe), DDI_DMA_CONSISTENT); 735 if (rq->ring == NULL) { 736 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 737 "RQ ring create failed "); 738 goto rq_ringfail; 739 } 740 741 /* allocate mbx */ 742 rq->shadow_ring = kmem_zalloc(sizeof (struct rq_shadow_entry) * 743 q_len, KM_SLEEP); 744 745 /* Initialize the RQ lock */ 746 mutex_init(&rq->rx_lock, NULL, MUTEX_DRIVER, 747 DDI_INTR_PRI(dev->intr_pri)); 748 /* Initialize the recharge lock */ 749 mutex_init(&rq->rc_lock, NULL, MUTEX_DRIVER, 750 DDI_INTR_PRI(dev->intr_pri)); 751 atomic_inc_32(&dev->nrqs); 752 return (rq); 753 754 rqcq_fail: 755 kmem_free(rq->shadow_ring, 756 sizeof (struct rq_shadow_entry) * q_len); 757 destroy_ring_buffer(dev, rq->ring); 758 rq_ringfail: 759 oce_rqb_cache_destroy(rq); 760 rqb_fail: 761 kmem_free(rq, sizeof (struct oce_rq)); 762 return (NULL); 763 } /* oce_rq_create */ 764 765 /* 766 * function to delete an RQ 767 * 768 * dev - software handle to the device 769 * rq - RQ to delete 770 * 771 * return none 772 */ 773 static void 774 oce_rq_fini(struct oce_dev *dev, struct oce_rq *rq) 775 { 776 /* Destroy buffer cache */ 777 oce_rqb_cache_destroy(rq); 778 destroy_ring_buffer(dev, rq->ring); 779 rq->ring = NULL; 780 kmem_free(rq->shadow_ring, 781 sizeof (struct rq_shadow_entry) * rq->cfg.q_len); 782 rq->shadow_ring = NULL; 783 mutex_destroy(&rq->rx_lock); 784 mutex_destroy(&rq->rc_lock); 785 kmem_free(rq, sizeof (struct oce_rq)); 786 atomic_dec_32(&dev->nrqs); 787 } /* oce_rq_del */ 788 789 790 static int 791 oce_rq_create(struct oce_rq *rq, uint32_t if_id, struct oce_eq *eq) 792 { 793 struct oce_mbx mbx; 794 struct mbx_create_nic_rq *fwcmd; 795 struct oce_dev *dev = rq->parent; 796 struct oce_cq *cq; 797 int ret; 798 799 cq = oce_cq_create(dev, eq, CQ_LEN_1024, sizeof (struct oce_nic_rx_cqe), 800 B_FALSE, B_TRUE, B_FALSE, 3); 801 802 if (cq == NULL) { 803 return (DDI_FAILURE); 804 } 805 806 /* now fill the command */ 807 bzero(&mbx, sizeof (struct oce_mbx)); 808 fwcmd = (struct mbx_create_nic_rq *)&mbx.payload; 809 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 810 MBX_SUBSYSTEM_NIC, 811 OPCODE_CREATE_NIC_RQ, MBX_TIMEOUT_SEC, 812 sizeof (struct mbx_create_nic_rq)); 813 814 fwcmd->params.req.num_pages = rq->ring->dbuf->num_pages; 815 fwcmd->params.req.frag_size = OCE_LOG2(rq->cfg.frag_size); 816 fwcmd->params.req.cq_id = cq->cq_id; 817 oce_page_list(rq->ring->dbuf, fwcmd->params.req.pages, 818 rq->ring->dbuf->num_pages); 819 820 fwcmd->params.req.if_id = if_id; 821 fwcmd->params.req.max_frame_size = (uint16_t)rq->cfg.mtu; 822 fwcmd->params.req.is_rss_queue = rq->cfg.is_rss_queue; 823 824 /* fill rest of mbx */ 825 mbx.u0.s.embedded = 1; 826 mbx.payload_length = sizeof (struct mbx_create_nic_rq); 827 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 828 829 /* now post the command */ 830 ret = oce_mbox_post(dev, &mbx, NULL); 831 if (ret != 0) { 832 oce_log(dev, CE_WARN, MOD_CONFIG, 833 "RQ create failed: %d", ret); 834 oce_cq_del(dev, cq); 835 return (ret); 836 } 837 838 /* interpret the response */ 839 rq->rq_id = LE_16(fwcmd->params.rsp.u0.s.rq_id); 840 /* rq->rss_cpuid = fwcmd->params.rsp.u0.bits.rss_cpuid; */ 841 rq->cfg.if_id = if_id; 842 rq->qstate = QCREATED; 843 rq->cq = cq; 844 845 /* set the Completion Handler */ 846 rq->cq->cq_handler = oce_drain_rq_cq; 847 rq->cq->cb_arg = (void *)rq; 848 /* reset the indicies */ 849 rq->ring->cidx = 0; 850 rq->ring->pidx = 0; 851 rq->buf_avail = 0; 852 return (0); 853 854 } 855 856 /* 857 * function to delete an RQ 858 * 859 * dev - software handle to the device 860 * rq - RQ to delete 861 * 862 * return none 863 */ 864 static void 865 oce_rq_del(struct oce_dev *dev, struct oce_rq *rq) 866 { 867 struct oce_mbx mbx; 868 struct mbx_delete_nic_rq *fwcmd; 869 870 ASSERT(dev != NULL); 871 ASSERT(rq != NULL); 872 873 bzero(&mbx, sizeof (struct oce_mbx)); 874 875 /* delete the Queue */ 876 if (rq->qstate == QCREATED) { 877 fwcmd = (struct mbx_delete_nic_rq *)&mbx.payload; 878 fwcmd->params.req.rq_id = rq->rq_id; 879 (void) oce_destroy_q(dev, &mbx, 880 sizeof (struct mbx_delete_nic_rq), QTYPE_RQ); 881 rq->qstate = QDELETED; 882 oce_clean_rq(rq); 883 /* Delete the associated CQ */ 884 oce_cq_del(dev, rq->cq); 885 rq->cq = NULL; 886 /* free up the posted buffers */ 887 oce_rq_discharge(dev->rq[0]); 888 } 889 } /* oce_rq_del */ 890 891 /* 892 * function to arm an EQ so that it can generate events 893 * 894 * dev - software handle to the device 895 * qid - id of the EQ returned by the fw at the time of creation 896 * npopped - number of EQEs to arm with 897 * rearm - rearm bit 898 * clearint - bit to clear the interrupt condition because of which 899 * EQEs are generated 900 * 901 * return none 902 */ 903 void 904 oce_arm_eq(struct oce_dev *dev, int16_t qid, int npopped, 905 boolean_t rearm, boolean_t clearint) 906 { 907 eq_db_t eq_db = {0}; 908 909 eq_db.bits.rearm = rearm; 910 eq_db.bits.event = B_TRUE; 911 eq_db.bits.num_popped = npopped; 912 eq_db.bits.clrint = clearint; 913 eq_db.bits.qid = qid; 914 OCE_DB_WRITE32(dev, PD_EQ_DB, eq_db.dw0); 915 } 916 917 /* 918 * function to arm a CQ with CQEs 919 * 920 * dev - software handle to the device 921 * qid - the id of the CQ returned by the fw at the time of creation 922 * npopped - number of CQEs to arm with 923 * rearm - rearm bit enable/disable 924 * 925 * return none 926 */ 927 void 928 oce_arm_cq(struct oce_dev *dev, int16_t qid, int npopped, 929 boolean_t rearm) 930 { 931 cq_db_t cq_db = {0}; 932 cq_db.bits.rearm = rearm; 933 cq_db.bits.num_popped = npopped; 934 cq_db.bits.event = 0; 935 cq_db.bits.qid = qid; 936 OCE_DB_WRITE32(dev, PD_CQ_DB, cq_db.dw0); 937 } 938 939 940 /* 941 * function to delete a EQ, CQ, MQ, WQ or RQ 942 * 943 * dev - sofware handle to the device 944 * mbx - mbox command to send to the fw to delete the queue 945 * mbx contains the queue information to delete 946 * req_size - the size of the mbx payload dependent on the qtype 947 * qtype - the type of queue i.e. EQ, CQ, MQ, WQ or RQ 948 * 949 * return DDI_SUCCESS => success, failure otherwise 950 */ 951 int 952 oce_destroy_q(struct oce_dev *dev, struct oce_mbx *mbx, size_t req_size, 953 enum qtype qtype) 954 { 955 struct mbx_hdr *hdr = (struct mbx_hdr *)&mbx->payload; 956 int opcode; 957 int subsys; 958 int ret; 959 960 switch (qtype) { 961 case QTYPE_EQ: { 962 opcode = OPCODE_DESTROY_COMMON_EQ; 963 subsys = MBX_SUBSYSTEM_COMMON; 964 break; 965 } 966 case QTYPE_CQ: { 967 opcode = OPCODE_DESTROY_COMMON_CQ; 968 subsys = MBX_SUBSYSTEM_COMMON; 969 break; 970 } 971 case QTYPE_MQ: { 972 opcode = OPCODE_DESTROY_COMMON_MQ; 973 subsys = MBX_SUBSYSTEM_COMMON; 974 break; 975 } 976 case QTYPE_WQ: { 977 opcode = OPCODE_DELETE_NIC_WQ; 978 subsys = MBX_SUBSYSTEM_NIC; 979 break; 980 } 981 case QTYPE_RQ: { 982 opcode = OPCODE_DELETE_NIC_RQ; 983 subsys = MBX_SUBSYSTEM_NIC; 984 break; 985 } 986 default: { 987 ASSERT(0); 988 break; 989 } 990 } 991 992 mbx_common_req_hdr_init(hdr, 0, 0, subsys, 993 opcode, MBX_TIMEOUT_SEC, req_size); 994 995 /* fill rest of mbx */ 996 mbx->u0.s.embedded = 1; 997 mbx->payload_length = (uint32_t)req_size; 998 DW_SWAP(u32ptr(mbx), mbx->payload_length + OCE_BMBX_RHDR_SZ); 999 1000 /* send command */ 1001 ret = oce_mbox_post(dev, mbx, NULL); 1002 1003 if (ret != 0) { 1004 oce_log(dev, CE_WARN, MOD_CONFIG, "%s", 1005 "Failed to del q "); 1006 } 1007 return (ret); 1008 } 1009 1010 /* 1011 * function to set the delay parameter in the EQ for interrupt coalescing 1012 * 1013 * dev - software handle to the device 1014 * eq_arr - array of EQ ids to delete 1015 * eq_cnt - number of elements in eq_arr 1016 * eq_delay - delay parameter 1017 * 1018 * return DDI_SUCCESS => success, failure otherwise 1019 */ 1020 int 1021 oce_set_eq_delay(struct oce_dev *dev, uint32_t *eq_arr, 1022 uint32_t eq_cnt, uint32_t eq_delay) 1023 { 1024 struct oce_mbx mbx; 1025 struct mbx_modify_common_eq_delay *fwcmd; 1026 int ret; 1027 int neq; 1028 1029 bzero(&mbx, sizeof (struct oce_mbx)); 1030 fwcmd = (struct mbx_modify_common_eq_delay *)&mbx.payload; 1031 1032 /* fill the command */ 1033 fwcmd->params.req.num_eq = eq_cnt; 1034 for (neq = 0; neq < eq_cnt; neq++) { 1035 fwcmd->params.req.delay[neq].eq_id = eq_arr[neq]; 1036 fwcmd->params.req.delay[neq].phase = 0; 1037 fwcmd->params.req.delay[neq].dm = eq_delay; 1038 1039 } 1040 1041 /* initialize the ioctl header */ 1042 mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 1043 MBX_SUBSYSTEM_COMMON, 1044 OPCODE_MODIFY_COMMON_EQ_DELAY, 1045 MBX_TIMEOUT_SEC, 1046 sizeof (struct mbx_modify_common_eq_delay)); 1047 1048 /* fill rest of mbx */ 1049 mbx.u0.s.embedded = 1; 1050 mbx.payload_length = sizeof (struct mbx_modify_common_eq_delay); 1051 DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 1052 1053 /* post the command */ 1054 ret = oce_mbox_post(dev, &mbx, NULL); 1055 if (ret != 0) { 1056 oce_log(dev, CE_WARN, MOD_CONFIG, 1057 "Failed to set EQ delay %d", ret); 1058 } 1059 1060 return (ret); 1061 } /* oce_set_eq_delay */ 1062 1063 /* 1064 * function to cleanup the eqs used during stop 1065 * 1066 * eq - pointer to event queue structure 1067 * 1068 * return none 1069 */ 1070 void 1071 oce_drain_eq(struct oce_eq *eq) 1072 { 1073 struct oce_eqe *eqe; 1074 uint16_t num_eqe = 0; 1075 struct oce_dev *dev; 1076 1077 dev = eq->parent; 1078 /* get the first item in eq to process */ 1079 eqe = RING_GET_CONSUMER_ITEM_VA(eq->ring, struct oce_eqe); 1080 1081 while (eqe->u0.dw0) { 1082 eqe->u0.dw0 = LE_32(eqe->u0.dw0); 1083 1084 /* clear valid bit */ 1085 eqe->u0.dw0 = 0; 1086 1087 /* process next eqe */ 1088 RING_GET(eq->ring, 1); 1089 1090 eqe = RING_GET_CONSUMER_ITEM_VA(eq->ring, struct oce_eqe); 1091 num_eqe++; 1092 } /* for all EQEs */ 1093 if (num_eqe) { 1094 oce_arm_eq(dev, eq->eq_id, num_eqe, B_FALSE, B_TRUE); 1095 } 1096 } /* oce_drain_eq */ 1097 1098 1099 int 1100 oce_init_txrx(struct oce_dev *dev) 1101 { 1102 dev->wq[0] = oce_wq_init(dev, dev->tx_ring_size, NIC_WQ_TYPE_STANDARD); 1103 1104 if (dev->wq[0] == NULL) { 1105 goto queue_fail; 1106 } 1107 1108 dev->rq[0] = oce_rq_init(dev, dev->rx_ring_size, OCE_RQ_BUF_SIZE, 1109 OCE_RQ_MAX_FRAME_SZ, B_FALSE); 1110 if (dev->rq[0] == NULL) { 1111 goto queue_fail; 1112 } 1113 return (DDI_SUCCESS); 1114 queue_fail: 1115 oce_fini_txrx(dev); 1116 return (DDI_FAILURE); 1117 } 1118 void 1119 oce_fini_txrx(struct oce_dev *dev) 1120 { 1121 if (dev->wq[0] != NULL) { 1122 oce_wq_fini(dev, dev->wq[0]); 1123 dev->wq[0] = NULL; 1124 } 1125 if (dev->rq[0] != NULL) { 1126 oce_rq_fini(dev, dev->rq[0]); 1127 dev->rq[0] = NULL; 1128 } 1129 return; 1130 1131 } 1132 1133 int 1134 oce_create_queues(struct oce_dev *dev) 1135 { 1136 1137 int i; 1138 struct oce_eq *eq; 1139 struct oce_mq *mq; 1140 1141 for (i = 0; i < dev->num_vectors; i++) { 1142 eq = oce_eq_create(dev, EQ_LEN_1024, EQE_SIZE_4, 0); 1143 if (eq == NULL) { 1144 goto rings_fail; 1145 } 1146 dev->eq[i] = eq; 1147 } 1148 if (oce_wq_create(dev->wq[0], dev->eq[0]) != 0) 1149 goto rings_fail; 1150 if (oce_rq_create(dev->rq[0], dev->if_id, 1151 dev->neqs > 1 ? dev->eq[1] : dev->eq[0]) != 0) 1152 goto rings_fail; 1153 mq = oce_mq_create(dev, dev->eq[0], 64); 1154 if (mq == NULL) 1155 goto rings_fail; 1156 dev->mq = mq; 1157 return (DDI_SUCCESS); 1158 rings_fail: 1159 oce_delete_queues(dev); 1160 return (DDI_FAILURE); 1161 1162 } 1163 1164 void 1165 oce_delete_queues(struct oce_dev *dev) 1166 { 1167 int i; 1168 if (dev->mq != NULL) { 1169 oce_mq_del(dev, dev->mq); 1170 dev->mq = NULL; 1171 } 1172 1173 for (i = 0; i < dev->nrqs; i++) { 1174 oce_rq_del(dev, dev->rq[i]); 1175 } 1176 for (i = 0; i < dev->nwqs; i++) { 1177 oce_wq_del(dev, dev->wq[i]); 1178 } 1179 /* create as many eqs as the number of vectors */ 1180 for (i = 0; i < dev->num_vectors; i++) { 1181 oce_eq_del(dev, dev->eq[i]); 1182 dev->eq[i] = NULL; 1183 } 1184 } 1185