1 /* 2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. 3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. 4 * 5 * This software is available to you under a choice of one of two 6 * licenses. You may choose to be licensed under the terms of the GNU 7 * General Public License (GPL) Version 2, available from the file 8 * COPYING in the main directory of this source tree, or the 9 * OpenIB.org BSD license below: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * - Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * - Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 * 33 * $Id: mthca_provider.c 1397 2004-12-28 05:09:00Z roland $ 34 */ 35 36 #include <ib_smi.h> 37 38 #include "mthca_dev.h" 39 #include "mthca_cmd.h" 40 41 static int mthca_query_device(struct ib_device *ibdev, 42 struct ib_device_attr *props) 43 { 44 struct ib_smp *in_mad = NULL; 45 struct ib_smp *out_mad = NULL; 46 int err = -ENOMEM; 47 struct mthca_dev* mdev = to_mdev(ibdev); 48 49 u8 status; 50 51 in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL); 52 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 53 if (!in_mad || !out_mad) 54 goto out; 55 56 memset(props, 0, sizeof *props); 57 58 props->fw_ver = mdev->fw_ver; 59 60 memset(in_mad, 0, sizeof *in_mad); 61 in_mad->base_version = 1; 62 in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; 63 in_mad->class_version = 1; 64 in_mad->method = IB_MGMT_METHOD_GET; 65 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; 66 67 err = mthca_MAD_IFC(mdev, 1, 1, 68 1, NULL, NULL, in_mad, out_mad, 69 &status); 70 if (err) 71 goto out; 72 if (status) { 73 err = -EINVAL; 74 goto out; 75 } 76 77 props->device_cap_flags = mdev->device_cap_flags; 78 props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) & 79 0xffffff; 80 props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30)); 81 props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32)); 82 memcpy(&props->sys_image_guid, out_mad->data + 4, 8); 83 memcpy(&props->node_guid, out_mad->data + 12, 8); 84 85 props->max_mr_size = ~0ull; 86 props->max_qp = mdev->limits.num_qps - mdev->limits.reserved_qps; 87 props->max_qp_wr = 0xffff; 88 props->max_sge = mdev->limits.max_sg; 89 props->max_cq = mdev->limits.num_cqs - mdev->limits.reserved_cqs; 90 props->max_cqe = 0xffff; 91 props->max_mr = mdev->limits.num_mpts - mdev->limits.reserved_mrws; 92 props->max_pd = mdev->limits.num_pds - mdev->limits.reserved_pds; 93 props->max_qp_rd_atom = 1 << mdev->qp_table.rdb_shift; 94 props->max_qp_init_rd_atom = 1 << mdev->qp_table.rdb_shift; 95 props->local_ca_ack_delay = mdev->limits.local_ca_ack_delay; 96 97 err = 0; 98 out: 99 kfree(in_mad); 100 kfree(out_mad); 101 return err; 102 } 103 104 static int mthca_query_port(struct ib_device *ibdev, 105 u8 port, struct ib_port_attr *props) 106 { 107 struct ib_smp *in_mad = NULL; 108 struct ib_smp *out_mad = NULL; 109 int err = -ENOMEM; 110 u8 status; 111 112 in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL); 113 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 114 if (!in_mad || !out_mad) 115 goto out; 116 117 memset(in_mad, 0, sizeof *in_mad); 118 in_mad->base_version = 1; 119 in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; 120 in_mad->class_version = 1; 121 in_mad->method = IB_MGMT_METHOD_GET; 122 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 123 in_mad->attr_mod = cpu_to_be32(port); 124 125 err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, 126 port, NULL, NULL, in_mad, out_mad, 127 &status); 128 if (err) 129 goto out; 130 if (status) { 131 err = -EINVAL; 132 goto out; 133 } 134 135 props->lid = be16_to_cpup((u16 *) (out_mad->data + 16)); 136 props->lmc = out_mad->data[34] & 0x7; 137 props->sm_lid = be16_to_cpup((u16 *) (out_mad->data + 18)); 138 props->sm_sl = out_mad->data[36] & 0xf; 139 props->state = out_mad->data[32] & 0xf; 140 props->phys_state = out_mad->data[33] >> 4; 141 props->port_cap_flags = be32_to_cpup((u32 *) (out_mad->data + 20)); 142 props->gid_tbl_len = to_mdev(ibdev)->limits.gid_table_len; 143 props->pkey_tbl_len = to_mdev(ibdev)->limits.pkey_table_len; 144 props->qkey_viol_cntr = be16_to_cpup((u16 *) (out_mad->data + 48)); 145 props->active_width = out_mad->data[31] & 0xf; 146 props->active_speed = out_mad->data[35] >> 4; 147 148 out: 149 kfree(in_mad); 150 kfree(out_mad); 151 return err; 152 } 153 154 static int mthca_modify_port(struct ib_device *ibdev, 155 u8 port, int port_modify_mask, 156 struct ib_port_modify *props) 157 { 158 struct mthca_set_ib_param set_ib; 159 struct ib_port_attr attr; 160 int err; 161 u8 status; 162 163 if (down_interruptible(&to_mdev(ibdev)->cap_mask_mutex)) 164 return -ERESTARTSYS; 165 166 err = mthca_query_port(ibdev, port, &attr); 167 if (err) 168 goto out; 169 170 set_ib.set_si_guid = 0; 171 set_ib.reset_qkey_viol = !!(port_modify_mask & IB_PORT_RESET_QKEY_CNTR); 172 173 set_ib.cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & 174 ~props->clr_port_cap_mask; 175 176 err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port, &status); 177 if (err) 178 goto out; 179 if (status) { 180 err = -EINVAL; 181 goto out; 182 } 183 184 out: 185 up(&to_mdev(ibdev)->cap_mask_mutex); 186 return err; 187 } 188 189 static int mthca_query_pkey(struct ib_device *ibdev, 190 u8 port, u16 index, u16 *pkey) 191 { 192 struct ib_smp *in_mad = NULL; 193 struct ib_smp *out_mad = NULL; 194 int err = -ENOMEM; 195 u8 status; 196 197 in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL); 198 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 199 if (!in_mad || !out_mad) 200 goto out; 201 202 memset(in_mad, 0, sizeof *in_mad); 203 in_mad->base_version = 1; 204 in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; 205 in_mad->class_version = 1; 206 in_mad->method = IB_MGMT_METHOD_GET; 207 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; 208 in_mad->attr_mod = cpu_to_be32(index / 32); 209 210 err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, 211 port, NULL, NULL, in_mad, out_mad, 212 &status); 213 if (err) 214 goto out; 215 if (status) { 216 err = -EINVAL; 217 goto out; 218 } 219 220 *pkey = be16_to_cpu(((u16 *) out_mad->data)[index % 32]); 221 222 out: 223 kfree(in_mad); 224 kfree(out_mad); 225 return err; 226 } 227 228 static int mthca_query_gid(struct ib_device *ibdev, u8 port, 229 int index, union ib_gid *gid) 230 { 231 struct ib_smp *in_mad = NULL; 232 struct ib_smp *out_mad = NULL; 233 int err = -ENOMEM; 234 u8 status; 235 236 in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL); 237 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); 238 if (!in_mad || !out_mad) 239 goto out; 240 241 memset(in_mad, 0, sizeof *in_mad); 242 in_mad->base_version = 1; 243 in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; 244 in_mad->class_version = 1; 245 in_mad->method = IB_MGMT_METHOD_GET; 246 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; 247 in_mad->attr_mod = cpu_to_be32(port); 248 249 err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, 250 port, NULL, NULL, in_mad, out_mad, 251 &status); 252 if (err) 253 goto out; 254 if (status) { 255 err = -EINVAL; 256 goto out; 257 } 258 259 memcpy(gid->raw, out_mad->data + 8, 8); 260 261 memset(in_mad, 0, sizeof *in_mad); 262 in_mad->base_version = 1; 263 in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; 264 in_mad->class_version = 1; 265 in_mad->method = IB_MGMT_METHOD_GET; 266 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; 267 in_mad->attr_mod = cpu_to_be32(index / 8); 268 269 err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, 270 port, NULL, NULL, in_mad, out_mad, 271 &status); 272 if (err) 273 goto out; 274 if (status) { 275 err = -EINVAL; 276 goto out; 277 } 278 279 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 16, 8); 280 281 out: 282 kfree(in_mad); 283 kfree(out_mad); 284 return err; 285 } 286 287 static struct ib_pd *mthca_alloc_pd(struct ib_device *ibdev) 288 { 289 struct mthca_pd *pd; 290 int err; 291 292 pd = kmalloc(sizeof *pd, GFP_KERNEL); 293 if (!pd) 294 return ERR_PTR(-ENOMEM); 295 296 err = mthca_pd_alloc(to_mdev(ibdev), pd); 297 if (err) { 298 kfree(pd); 299 return ERR_PTR(err); 300 } 301 302 return &pd->ibpd; 303 } 304 305 static int mthca_dealloc_pd(struct ib_pd *pd) 306 { 307 mthca_pd_free(to_mdev(pd->device), to_mpd(pd)); 308 kfree(pd); 309 310 return 0; 311 } 312 313 static struct ib_ah *mthca_ah_create(struct ib_pd *pd, 314 struct ib_ah_attr *ah_attr) 315 { 316 int err; 317 struct mthca_ah *ah; 318 319 ah = kmalloc(sizeof *ah, GFP_ATOMIC); 320 if (!ah) 321 return ERR_PTR(-ENOMEM); 322 323 err = mthca_create_ah(to_mdev(pd->device), to_mpd(pd), ah_attr, ah); 324 if (err) { 325 kfree(ah); 326 return ERR_PTR(err); 327 } 328 329 return &ah->ibah; 330 } 331 332 static int mthca_ah_destroy(struct ib_ah *ah) 333 { 334 mthca_destroy_ah(to_mdev(ah->device), to_mah(ah)); 335 kfree(ah); 336 337 return 0; 338 } 339 340 static struct ib_qp *mthca_create_qp(struct ib_pd *pd, 341 struct ib_qp_init_attr *init_attr) 342 { 343 struct mthca_qp *qp; 344 int err; 345 346 switch (init_attr->qp_type) { 347 case IB_QPT_RC: 348 case IB_QPT_UC: 349 case IB_QPT_UD: 350 { 351 qp = kmalloc(sizeof *qp, GFP_KERNEL); 352 if (!qp) 353 return ERR_PTR(-ENOMEM); 354 355 qp->sq.max = init_attr->cap.max_send_wr; 356 qp->rq.max = init_attr->cap.max_recv_wr; 357 qp->sq.max_gs = init_attr->cap.max_send_sge; 358 qp->rq.max_gs = init_attr->cap.max_recv_sge; 359 360 err = mthca_alloc_qp(to_mdev(pd->device), to_mpd(pd), 361 to_mcq(init_attr->send_cq), 362 to_mcq(init_attr->recv_cq), 363 init_attr->qp_type, init_attr->sq_sig_type, 364 qp); 365 qp->ibqp.qp_num = qp->qpn; 366 break; 367 } 368 case IB_QPT_SMI: 369 case IB_QPT_GSI: 370 { 371 qp = kmalloc(sizeof (struct mthca_sqp), GFP_KERNEL); 372 if (!qp) 373 return ERR_PTR(-ENOMEM); 374 375 qp->sq.max = init_attr->cap.max_send_wr; 376 qp->rq.max = init_attr->cap.max_recv_wr; 377 qp->sq.max_gs = init_attr->cap.max_send_sge; 378 qp->rq.max_gs = init_attr->cap.max_recv_sge; 379 380 qp->ibqp.qp_num = init_attr->qp_type == IB_QPT_SMI ? 0 : 1; 381 382 err = mthca_alloc_sqp(to_mdev(pd->device), to_mpd(pd), 383 to_mcq(init_attr->send_cq), 384 to_mcq(init_attr->recv_cq), 385 init_attr->sq_sig_type, 386 qp->ibqp.qp_num, init_attr->port_num, 387 to_msqp(qp)); 388 break; 389 } 390 default: 391 /* Don't support raw QPs */ 392 return ERR_PTR(-ENOSYS); 393 } 394 395 if (err) { 396 kfree(qp); 397 return ERR_PTR(err); 398 } 399 400 init_attr->cap.max_inline_data = 0; 401 402 return &qp->ibqp; 403 } 404 405 static int mthca_destroy_qp(struct ib_qp *qp) 406 { 407 mthca_free_qp(to_mdev(qp->device), to_mqp(qp)); 408 kfree(qp); 409 return 0; 410 } 411 412 static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries) 413 { 414 struct mthca_cq *cq; 415 int nent; 416 int err; 417 418 cq = kmalloc(sizeof *cq, GFP_KERNEL); 419 if (!cq) 420 return ERR_PTR(-ENOMEM); 421 422 for (nent = 1; nent <= entries; nent <<= 1) 423 ; /* nothing */ 424 425 err = mthca_init_cq(to_mdev(ibdev), nent, cq); 426 if (err) { 427 kfree(cq); 428 cq = ERR_PTR(err); 429 } 430 431 return &cq->ibcq; 432 } 433 434 static int mthca_destroy_cq(struct ib_cq *cq) 435 { 436 mthca_free_cq(to_mdev(cq->device), to_mcq(cq)); 437 kfree(cq); 438 439 return 0; 440 } 441 442 static inline u32 convert_access(int acc) 443 { 444 return (acc & IB_ACCESS_REMOTE_ATOMIC ? MTHCA_MPT_FLAG_ATOMIC : 0) | 445 (acc & IB_ACCESS_REMOTE_WRITE ? MTHCA_MPT_FLAG_REMOTE_WRITE : 0) | 446 (acc & IB_ACCESS_REMOTE_READ ? MTHCA_MPT_FLAG_REMOTE_READ : 0) | 447 (acc & IB_ACCESS_LOCAL_WRITE ? MTHCA_MPT_FLAG_LOCAL_WRITE : 0) | 448 MTHCA_MPT_FLAG_LOCAL_READ; 449 } 450 451 static struct ib_mr *mthca_get_dma_mr(struct ib_pd *pd, int acc) 452 { 453 struct mthca_mr *mr; 454 int err; 455 456 mr = kmalloc(sizeof *mr, GFP_KERNEL); 457 if (!mr) 458 return ERR_PTR(-ENOMEM); 459 460 err = mthca_mr_alloc_notrans(to_mdev(pd->device), 461 to_mpd(pd)->pd_num, 462 convert_access(acc), mr); 463 464 if (err) { 465 kfree(mr); 466 return ERR_PTR(err); 467 } 468 469 return &mr->ibmr; 470 } 471 472 static struct ib_mr *mthca_reg_phys_mr(struct ib_pd *pd, 473 struct ib_phys_buf *buffer_list, 474 int num_phys_buf, 475 int acc, 476 u64 *iova_start) 477 { 478 struct mthca_mr *mr; 479 u64 *page_list; 480 u64 total_size; 481 u64 mask; 482 int shift; 483 int npages; 484 int err; 485 int i, j, n; 486 487 /* First check that we have enough alignment */ 488 if ((*iova_start & ~PAGE_MASK) != (buffer_list[0].addr & ~PAGE_MASK)) 489 return ERR_PTR(-EINVAL); 490 491 if (num_phys_buf > 1 && 492 ((buffer_list[0].addr + buffer_list[0].size) & ~PAGE_MASK)) 493 return ERR_PTR(-EINVAL); 494 495 mask = 0; 496 total_size = 0; 497 for (i = 0; i < num_phys_buf; ++i) { 498 if (i != 0 && buffer_list[i].addr & ~PAGE_MASK) 499 return ERR_PTR(-EINVAL); 500 if (i != 0 && i != num_phys_buf - 1 && 501 (buffer_list[i].size & ~PAGE_MASK)) 502 return ERR_PTR(-EINVAL); 503 504 total_size += buffer_list[i].size; 505 if (i > 0) 506 mask |= buffer_list[i].addr; 507 } 508 509 /* Find largest page shift we can use to cover buffers */ 510 for (shift = PAGE_SHIFT; shift < 31; ++shift) 511 if (num_phys_buf > 1) { 512 if ((1ULL << shift) & mask) 513 break; 514 } else { 515 if (1ULL << shift >= 516 buffer_list[0].size + 517 (buffer_list[0].addr & ((1ULL << shift) - 1))) 518 break; 519 } 520 521 buffer_list[0].size += buffer_list[0].addr & ((1ULL << shift) - 1); 522 buffer_list[0].addr &= ~0ull << shift; 523 524 mr = kmalloc(sizeof *mr, GFP_KERNEL); 525 if (!mr) 526 return ERR_PTR(-ENOMEM); 527 528 npages = 0; 529 for (i = 0; i < num_phys_buf; ++i) 530 npages += (buffer_list[i].size + (1ULL << shift) - 1) >> shift; 531 532 if (!npages) 533 return &mr->ibmr; 534 535 page_list = kmalloc(npages * sizeof *page_list, GFP_KERNEL); 536 if (!page_list) { 537 kfree(mr); 538 return ERR_PTR(-ENOMEM); 539 } 540 541 n = 0; 542 for (i = 0; i < num_phys_buf; ++i) 543 for (j = 0; 544 j < (buffer_list[i].size + (1ULL << shift) - 1) >> shift; 545 ++j) 546 page_list[n++] = buffer_list[i].addr + ((u64) j << shift); 547 548 mthca_dbg(to_mdev(pd->device), "Registering memory at %llx (iova %llx) " 549 "in PD %x; shift %d, npages %d.\n", 550 (unsigned long long) buffer_list[0].addr, 551 (unsigned long long) *iova_start, 552 to_mpd(pd)->pd_num, 553 shift, npages); 554 555 err = mthca_mr_alloc_phys(to_mdev(pd->device), 556 to_mpd(pd)->pd_num, 557 page_list, shift, npages, 558 *iova_start, total_size, 559 convert_access(acc), mr); 560 561 if (err) { 562 kfree(page_list); 563 kfree(mr); 564 return ERR_PTR(err); 565 } 566 567 kfree(page_list); 568 return &mr->ibmr; 569 } 570 571 static int mthca_dereg_mr(struct ib_mr *mr) 572 { 573 struct mthca_mr *mmr = to_mmr(mr); 574 mthca_free_mr(to_mdev(mr->device), mmr); 575 kfree(mmr); 576 return 0; 577 } 578 579 static struct ib_fmr *mthca_alloc_fmr(struct ib_pd *pd, int mr_access_flags, 580 struct ib_fmr_attr *fmr_attr) 581 { 582 struct mthca_fmr *fmr; 583 int err; 584 585 fmr = kmalloc(sizeof *fmr, GFP_KERNEL); 586 if (!fmr) 587 return ERR_PTR(-ENOMEM); 588 589 memcpy(&fmr->attr, fmr_attr, sizeof *fmr_attr); 590 err = mthca_fmr_alloc(to_mdev(pd->device), to_mpd(pd)->pd_num, 591 convert_access(mr_access_flags), fmr); 592 593 if (err) { 594 kfree(fmr); 595 return ERR_PTR(err); 596 } 597 598 return &fmr->ibmr; 599 } 600 601 static int mthca_dealloc_fmr(struct ib_fmr *fmr) 602 { 603 struct mthca_fmr *mfmr = to_mfmr(fmr); 604 int err; 605 606 err = mthca_free_fmr(to_mdev(fmr->device), mfmr); 607 if (err) 608 return err; 609 610 kfree(mfmr); 611 return 0; 612 } 613 614 static int mthca_unmap_fmr(struct list_head *fmr_list) 615 { 616 struct ib_fmr *fmr; 617 int err; 618 u8 status; 619 struct mthca_dev *mdev = NULL; 620 621 list_for_each_entry(fmr, fmr_list, list) { 622 if (mdev && to_mdev(fmr->device) != mdev) 623 return -EINVAL; 624 mdev = to_mdev(fmr->device); 625 } 626 627 if (!mdev) 628 return 0; 629 630 if (mthca_is_memfree(mdev)) { 631 list_for_each_entry(fmr, fmr_list, list) 632 mthca_arbel_fmr_unmap(mdev, to_mfmr(fmr)); 633 634 wmb(); 635 } else 636 list_for_each_entry(fmr, fmr_list, list) 637 mthca_tavor_fmr_unmap(mdev, to_mfmr(fmr)); 638 639 err = mthca_SYNC_TPT(mdev, &status); 640 if (err) 641 return err; 642 if (status) 643 return -EINVAL; 644 return 0; 645 } 646 647 static ssize_t show_rev(struct class_device *cdev, char *buf) 648 { 649 struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev); 650 return sprintf(buf, "%x\n", dev->rev_id); 651 } 652 653 static ssize_t show_fw_ver(struct class_device *cdev, char *buf) 654 { 655 struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev); 656 return sprintf(buf, "%x.%x.%x\n", (int) (dev->fw_ver >> 32), 657 (int) (dev->fw_ver >> 16) & 0xffff, 658 (int) dev->fw_ver & 0xffff); 659 } 660 661 static ssize_t show_hca(struct class_device *cdev, char *buf) 662 { 663 struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev); 664 switch (dev->pdev->device) { 665 case PCI_DEVICE_ID_MELLANOX_TAVOR: 666 return sprintf(buf, "MT23108\n"); 667 case PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT: 668 return sprintf(buf, "MT25208 (MT23108 compat mode)\n"); 669 case PCI_DEVICE_ID_MELLANOX_ARBEL: 670 return sprintf(buf, "MT25208\n"); 671 case PCI_DEVICE_ID_MELLANOX_SINAI: 672 case PCI_DEVICE_ID_MELLANOX_SINAI_OLD: 673 return sprintf(buf, "MT25204\n"); 674 default: 675 return sprintf(buf, "unknown\n"); 676 } 677 } 678 679 static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 680 static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); 681 static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); 682 683 static struct class_device_attribute *mthca_class_attributes[] = { 684 &class_device_attr_hw_rev, 685 &class_device_attr_fw_ver, 686 &class_device_attr_hca_type 687 }; 688 689 int mthca_register_device(struct mthca_dev *dev) 690 { 691 int ret; 692 int i; 693 694 strlcpy(dev->ib_dev.name, "mthca%d", IB_DEVICE_NAME_MAX); 695 dev->ib_dev.node_type = IB_NODE_CA; 696 dev->ib_dev.phys_port_cnt = dev->limits.num_ports; 697 dev->ib_dev.dma_device = &dev->pdev->dev; 698 dev->ib_dev.class_dev.dev = &dev->pdev->dev; 699 dev->ib_dev.query_device = mthca_query_device; 700 dev->ib_dev.query_port = mthca_query_port; 701 dev->ib_dev.modify_port = mthca_modify_port; 702 dev->ib_dev.query_pkey = mthca_query_pkey; 703 dev->ib_dev.query_gid = mthca_query_gid; 704 dev->ib_dev.alloc_pd = mthca_alloc_pd; 705 dev->ib_dev.dealloc_pd = mthca_dealloc_pd; 706 dev->ib_dev.create_ah = mthca_ah_create; 707 dev->ib_dev.destroy_ah = mthca_ah_destroy; 708 dev->ib_dev.create_qp = mthca_create_qp; 709 dev->ib_dev.modify_qp = mthca_modify_qp; 710 dev->ib_dev.destroy_qp = mthca_destroy_qp; 711 dev->ib_dev.create_cq = mthca_create_cq; 712 dev->ib_dev.destroy_cq = mthca_destroy_cq; 713 dev->ib_dev.poll_cq = mthca_poll_cq; 714 dev->ib_dev.get_dma_mr = mthca_get_dma_mr; 715 dev->ib_dev.reg_phys_mr = mthca_reg_phys_mr; 716 dev->ib_dev.dereg_mr = mthca_dereg_mr; 717 718 if (dev->mthca_flags & MTHCA_FLAG_FMR) { 719 dev->ib_dev.alloc_fmr = mthca_alloc_fmr; 720 dev->ib_dev.unmap_fmr = mthca_unmap_fmr; 721 dev->ib_dev.dealloc_fmr = mthca_dealloc_fmr; 722 if (mthca_is_memfree(dev)) 723 dev->ib_dev.map_phys_fmr = mthca_arbel_map_phys_fmr; 724 else 725 dev->ib_dev.map_phys_fmr = mthca_tavor_map_phys_fmr; 726 } 727 728 dev->ib_dev.attach_mcast = mthca_multicast_attach; 729 dev->ib_dev.detach_mcast = mthca_multicast_detach; 730 dev->ib_dev.process_mad = mthca_process_mad; 731 732 if (mthca_is_memfree(dev)) { 733 dev->ib_dev.req_notify_cq = mthca_arbel_arm_cq; 734 dev->ib_dev.post_send = mthca_arbel_post_send; 735 dev->ib_dev.post_recv = mthca_arbel_post_receive; 736 } else { 737 dev->ib_dev.req_notify_cq = mthca_tavor_arm_cq; 738 dev->ib_dev.post_send = mthca_tavor_post_send; 739 dev->ib_dev.post_recv = mthca_tavor_post_receive; 740 } 741 742 init_MUTEX(&dev->cap_mask_mutex); 743 744 ret = ib_register_device(&dev->ib_dev); 745 if (ret) 746 return ret; 747 748 for (i = 0; i < ARRAY_SIZE(mthca_class_attributes); ++i) { 749 ret = class_device_create_file(&dev->ib_dev.class_dev, 750 mthca_class_attributes[i]); 751 if (ret) { 752 ib_unregister_device(&dev->ib_dev); 753 return ret; 754 } 755 } 756 757 return 0; 758 } 759 760 void mthca_unregister_device(struct mthca_dev *dev) 761 { 762 ib_unregister_device(&dev->ib_dev); 763 } 764