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