drivers/infiniband/hw/mthca/mthca_main.c

   1 /*
   2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3  * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
   4  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  *
  34  * $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
  35  */
  36
  37 #include <linux/config.h>
  38 #include <linux/module.h>
  39 #include <linux/init.h>
  40 #include <linux/errno.h>
  41 #include <linux/pci.h>
  42 #include <linux/interrupt.h>
  43
  44 #include "mthca_dev.h"
  45 #include "mthca_config_reg.h"
  46 #include "mthca_cmd.h"
  47 #include "mthca_profile.h"
  48 #include "mthca_memfree.h"
  49
  50 MODULE_AUTHOR("Roland Dreier");
  51 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
  52 MODULE_LICENSE("Dual BSD/GPL");
  53 MODULE_VERSION(DRV_VERSION);
  54
  55 #ifdef CONFIG_PCI_MSI
  56
  57 static int msi_x = 0;
  58 module_param(msi_x, int, 0444);
  59 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
  60
  61 static int msi = 0;
  62 module_param(msi, int, 0444);
  63 MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
  64
  65 #else /* CONFIG_PCI_MSI */
  66
  67 #define msi_x (0)
  68 #define msi   (0)
  69
  70 #endif /* CONFIG_PCI_MSI */
  71
  72 static const char mthca_version[] __devinitdata =
  73         DRV_NAME ": Mellanox InfiniBand HCA driver v"
  74         DRV_VERSION " (" DRV_RELDATE ")\n";
  75
  76 static struct mthca_profile default_profile = {
  77         .num_qp            = 1 << 16,
  78         .rdb_per_qp        = 4,
  79         .num_cq            = 1 << 16,
  80         .num_mcg           = 1 << 13,
  81         .num_mpt           = 1 << 17,
  82         .num_mtt           = 1 << 20,
  83         .num_udav          = 1 << 15,   /* Tavor only */
  84         .fmr_reserved_mtts = 1 << 18,   /* Tavor only */
  85         .uarc_size         = 1 << 18,   /* Arbel only */
  86 };
  87
  88 static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
  89 {
  90         int cap;
  91         u16 val;
  92
  93         /* First try to max out Read Byte Count */
  94         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
  95         if (cap) {
  96                 if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
  97                         mthca_err(mdev, "Couldn't read PCI-X command register, "
  98                                   "aborting.\n");
  99                         return -ENODEV;
 100                 }
 101                 val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
 102                 if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
 103                         mthca_err(mdev, "Couldn't write PCI-X command register, "
 104                                   "aborting.\n");
 105                         return -ENODEV;
 106                 }
 107         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 108                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 109
 110         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
 111         if (cap) {
 112                 if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
 113                         mthca_err(mdev, "Couldn't read PCI Express device control "
 114                                   "register, aborting.\n");
 115                         return -ENODEV;
 116                 }
 117                 val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
 118                 if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
 119                         mthca_err(mdev, "Couldn't write PCI Express device control "
 120                                   "register, aborting.\n");
 121                         return -ENODEV;
 122                 }
 123         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 124                 mthca_info(mdev, "No PCI Express capability, "
 125                            "not setting Max Read Request Size.\n");
 126
 127         return 0;
 128 }
 129
 130 static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 131 {
 132         int err;
 133         u8 status;
 134
 135         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 136         if (err) {
 137                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 138                 return err;
 139         }
 140         if (status) {
 141                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 142                           "aborting.\n", status);
 143                 return -EINVAL;
 144         }
 145         if (dev_lim->min_page_sz > PAGE_SIZE) {
 146                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 147                           "kernel PAGE_SIZE of %ld, aborting.\n",
 148                           dev_lim->min_page_sz, PAGE_SIZE);
 149                 return -ENODEV;
 150         }
 151         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 152                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 153                           "aborting.\n",
 154                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 155                 return -ENODEV;
 156         }
 157
 158         mdev->limits.num_ports          = dev_lim->num_ports;
 159         mdev->limits.vl_cap             = dev_lim->max_vl;
 160         mdev->limits.mtu_cap            = dev_lim->max_mtu;
 161         mdev->limits.gid_table_len      = dev_lim->max_gids;
 162         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
 163         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
 164         mdev->limits.max_sg             = dev_lim->max_sg;
 165         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
 166         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
 167         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
 168         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
 169         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
 170         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
 171         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
 172         /*
 173          * Subtract 1 from the limit because we need to allocate a
 174          * spare CQE so the HCA HW can tell the difference between an
 175          * empty CQ and a full CQ.
 176          */
 177         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 178         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 179         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 180         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 181         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 182         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 183         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 184         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 185         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 186         mdev->limits.flags              = dev_lim->flags;
 187
 188         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 189            May be doable since hardware supports it for SRQ.
 190
 191            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 192
 193            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 194            supported by driver. */
 195         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 196                 IB_DEVICE_PORT_ACTIVE_EVENT |
 197                 IB_DEVICE_SYS_IMAGE_GUID |
 198                 IB_DEVICE_RC_RNR_NAK_GEN;
 199
 200         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 201                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 202
 203         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 204                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 205
 206         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 207                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 208
 209         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 210                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 211
 212         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 213                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 214
 215         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 216                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 217
 218         return 0;
 219 }
 220
 221 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 222 {
 223         u8 status;
 224         int err;
 225         struct mthca_dev_lim        dev_lim;
 226         struct mthca_profile        profile;
 227         struct mthca_init_hca_param init_hca;
 228
 229         err = mthca_SYS_EN(mdev, &status);
 230         if (err) {
 231                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 232                 return err;
 233         }
 234         if (status) {
 235                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 236                           "aborting.\n", status);
 237                 return -EINVAL;
 238         }
 239
 240         err = mthca_QUERY_FW(mdev, &status);
 241         if (err) {
 242                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 243                 goto err_disable;
 244         }
 245         if (status) {
 246                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 247                           "aborting.\n", status);
 248                 err = -EINVAL;
 249                 goto err_disable;
 250         }
 251         err = mthca_QUERY_DDR(mdev, &status);
 252         if (err) {
 253                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 254                 goto err_disable;
 255         }
 256         if (status) {
 257                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 258                           "aborting.\n", status);
 259                 err = -EINVAL;
 260                 goto err_disable;
 261         }
 262
 263         err = mthca_dev_lim(mdev, &dev_lim);
 264
 265         profile = default_profile;
 266         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 267         profile.uarc_size = 0;
 268         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 269                 profile.num_srq = dev_lim.max_srqs;
 270
 271         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 272         if (err < 0)
 273                 goto err_disable;
 274
 275         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 276         if (err) {
 277                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 278                 goto err_disable;
 279         }
 280         if (status) {
 281                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 282                           "aborting.\n", status);
 283                 err = -EINVAL;
 284                 goto err_disable;
 285         }
 286
 287         return 0;
 288
 289 err_disable:
 290         mthca_SYS_DIS(mdev, &status);
 291
 292         return err;
 293 }
 294
 295 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 296 {
 297         u8 status;
 298         int err;
 299
 300         /* FIXME: use HCA-attached memory for FW if present */
 301
 302         mdev->fw.arbel.fw_icm =
 303                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 304                                 GFP_HIGHUSER | __GFP_NOWARN);
 305         if (!mdev->fw.arbel.fw_icm) {
 306                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 307                 return -ENOMEM;
 308         }
 309
 310         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 311         if (err) {
 312                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 313                 goto err_free;
 314         }
 315         if (status) {
 316                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 317                 err = -EINVAL;
 318                 goto err_free;
 319         }
 320         err = mthca_RUN_FW(mdev, &status);
 321         if (err) {
 322                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 323                 goto err_unmap_fa;
 324         }
 325         if (status) {
 326                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 327                 err = -EINVAL;
 328                 goto err_unmap_fa;
 329         }
 330
 331         return 0;
 332
 333 err_unmap_fa:
 334         mthca_UNMAP_FA(mdev, &status);
 335
 336 err_free:
 337         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 338         return err;
 339 }
 340
 341 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 342                                     struct mthca_dev_lim *dev_lim,
 343                                     struct mthca_init_hca_param *init_hca,
 344                                     u64 icm_size)
 345 {
 346         u64 aux_pages;
 347         u8 status;
 348         int err;
 349
 350         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 351         if (err) {
 352                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 353                 return err;
 354         }
 355         if (status) {
 356                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 357                           "aborting.\n", status);
 358                 return -EINVAL;
 359         }
 360
 361         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 362                   (unsigned long long) icm_size >> 10,
 363                   (unsigned long long) aux_pages << 2);
 364
 365         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 366                                                  GFP_HIGHUSER | __GFP_NOWARN);
 367         if (!mdev->fw.arbel.aux_icm) {
 368                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 369                 return -ENOMEM;
 370         }
 371
 372         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 373         if (err) {
 374                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 375                 goto err_free_aux;
 376         }
 377         if (status) {
 378                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 379                 err = -EINVAL;
 380                 goto err_free_aux;
 381         }
 382
 383         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 384         if (err) {
 385                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 386                 goto err_unmap_aux;
 387         }
 388
 389         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 390                                                          MTHCA_MTT_SEG_SIZE,
 391                                                          mdev->limits.num_mtt_segs,
 392                                                          mdev->limits.reserved_mtts, 1);
 393         if (!mdev->mr_table.mtt_table) {
 394                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 395                 err = -ENOMEM;
 396                 goto err_unmap_eq;
 397         }
 398
 399         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 400                                                          dev_lim->mpt_entry_sz,
 401                                                          mdev->limits.num_mpts,
 402                                                          mdev->limits.reserved_mrws, 1);
 403         if (!mdev->mr_table.mpt_table) {
 404                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 405                 err = -ENOMEM;
 406                 goto err_unmap_mtt;
 407         }
 408
 409         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 410                                                         dev_lim->qpc_entry_sz,
 411                                                         mdev->limits.num_qps,
 412                                                         mdev->limits.reserved_qps, 0);
 413         if (!mdev->qp_table.qp_table) {
 414                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 415                 err = -ENOMEM;
 416                 goto err_unmap_mpt;
 417         }
 418
 419         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 420                                                          dev_lim->eqpc_entry_sz,
 421                                                          mdev->limits.num_qps,
 422                                                          mdev->limits.reserved_qps, 0);
 423         if (!mdev->qp_table.eqp_table) {
 424                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 425                 err = -ENOMEM;
 426                 goto err_unmap_qp;
 427         }
 428
 429         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 430                                                          MTHCA_RDB_ENTRY_SIZE,
 431                                                          mdev->limits.num_qps <<
 432                                                          mdev->qp_table.rdb_shift,
 433                                                          0, 0);
 434         if (!mdev->qp_table.rdb_table) {
 435                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 436                 err = -ENOMEM;
 437                 goto err_unmap_eqp;
 438         }
 439
 440        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 441                                                     dev_lim->cqc_entry_sz,
 442                                                     mdev->limits.num_cqs,
 443                                                     mdev->limits.reserved_cqs, 0);
 444         if (!mdev->cq_table.table) {
 445                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 446                 err = -ENOMEM;
 447                 goto err_unmap_rdb;
 448         }
 449
 450         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 451                 mdev->srq_table.table =
 452                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 453                                               dev_lim->srq_entry_sz,
 454                                               mdev->limits.num_srqs,
 455                                               mdev->limits.reserved_srqs, 0);
 456                 if (!mdev->srq_table.table) {
 457                         mthca_err(mdev, "Failed to map SRQ context memory, "
 458                                   "aborting.\n");
 459                         err = -ENOMEM;
 460                         goto err_unmap_cq;
 461                 }
 462         }
 463
 464         /*
 465          * It's not strictly required, but for simplicity just map the
 466          * whole multicast group table now.  The table isn't very big
 467          * and it's a lot easier than trying to track ref counts.
 468          */
 469         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 470                                                       MTHCA_MGM_ENTRY_SIZE,
 471                                                       mdev->limits.num_mgms +
 472                                                       mdev->limits.num_amgms,
 473                                                       mdev->limits.num_mgms +
 474                                                       mdev->limits.num_amgms,
 475                                                       0);
 476         if (!mdev->mcg_table.table) {
 477                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 478                 err = -ENOMEM;
 479                 goto err_unmap_srq;
 480         }
 481
 482         return 0;
 483
 484 err_unmap_srq:
 485         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 486                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 487
 488 err_unmap_cq:
 489         mthca_free_icm_table(mdev, mdev->cq_table.table);
 490
 491 err_unmap_rdb:
 492         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 493
 494 err_unmap_eqp:
 495         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 496
 497 err_unmap_qp:
 498         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 499
 500 err_unmap_mpt:
 501         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 502
 503 err_unmap_mtt:
 504         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 505
 506 err_unmap_eq:
 507         mthca_unmap_eq_icm(mdev);
 508
 509 err_unmap_aux:
 510         mthca_UNMAP_ICM_AUX(mdev, &status);
 511
 512 err_free_aux:
 513         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 514
 515         return err;
 516 }
 517
 518 static void mthca_free_icms(struct mthca_dev *mdev)
 519 {
 520         u8 status;
 521
 522         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 523         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 524                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 525         mthca_free_icm_table(mdev, mdev->cq_table.table);
 526         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 527         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 528         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 529         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 530         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 531         mthca_unmap_eq_icm(mdev);
 532
 533         mthca_UNMAP_ICM_AUX(mdev, &status);
 534         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 535 }
 536
 537 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 538 {
 539         struct mthca_dev_lim        dev_lim;
 540         struct mthca_profile        profile;
 541         struct mthca_init_hca_param init_hca;
 542         u64 icm_size;
 543         u8 status;
 544         int err;
 545
 546         err = mthca_QUERY_FW(mdev, &status);
 547         if (err) {
 548                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 549                 return err;
 550         }
 551         if (status) {
 552                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 553                           "aborting.\n", status);
 554                 return -EINVAL;
 555         }
 556
 557         err = mthca_ENABLE_LAM(mdev, &status);
 558         if (err) {
 559                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 560                 return err;
 561         }
 562         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 563                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 564                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 565         } else if (status) {
 566                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 567                           "aborting.\n", status);
 568                 return -EINVAL;
 569         }
 570
 571         err = mthca_load_fw(mdev);
 572         if (err) {
 573                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 574                 goto err_disable;
 575         }
 576
 577         err = mthca_dev_lim(mdev, &dev_lim);
 578         if (err) {
 579                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 580                 goto err_stop_fw;
 581         }
 582
 583         profile = default_profile;
 584         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 585         profile.num_udav = 0;
 586         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 587                 profile.num_srq = dev_lim.max_srqs;
 588
 589         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 590         if ((int) icm_size < 0) {
 591                 err = icm_size;
 592                 goto err_stop_fw;
 593         }
 594
 595         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 596         if (err)
 597                 goto err_stop_fw;
 598
 599         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 600         if (err) {
 601                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 602                 goto err_free_icm;
 603         }
 604         if (status) {
 605                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 606                           "aborting.\n", status);
 607                 err = -EINVAL;
 608                 goto err_free_icm;
 609         }
 610
 611         return 0;
 612
 613 err_free_icm:
 614         mthca_free_icms(mdev);
 615
 616 err_stop_fw:
 617         mthca_UNMAP_FA(mdev, &status);
 618         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 619
 620 err_disable:
 621         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 622                 mthca_DISABLE_LAM(mdev, &status);
 623
 624         return err;
 625 }
 626
 627 static void mthca_close_hca(struct mthca_dev *mdev)
 628 {
 629         u8 status;
 630
 631         mthca_CLOSE_HCA(mdev, 0, &status);
 632
 633         if (mthca_is_memfree(mdev)) {
 634                 mthca_free_icms(mdev);
 635
 636                 mthca_UNMAP_FA(mdev, &status);
 637                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 638
 639                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 640                         mthca_DISABLE_LAM(mdev, &status);
 641         } else
 642                 mthca_SYS_DIS(mdev, &status);
 643 }
 644
 645 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 646 {
 647         u8 status;
 648         int err;
 649         struct mthca_adapter adapter;
 650
 651         if (mthca_is_memfree(mdev))
 652                 err = mthca_init_arbel(mdev);
 653         else
 654                 err = mthca_init_tavor(mdev);
 655
 656         if (err)
 657                 return err;
 658
 659         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 660         if (err) {
 661                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 662                 goto err_close;
 663         }
 664         if (status) {
 665                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 666                           "aborting.\n", status);
 667                 err = -EINVAL;
 668                 goto err_close;
 669         }
 670
 671         mdev->eq_table.inta_pin = adapter.inta_pin;
 672         mdev->rev_id            = adapter.revision_id;
 673         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 674
 675         return 0;
 676
 677 err_close:
 678         mthca_close_hca(mdev);
 679         return err;
 680 }
 681
 682 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 683 {
 684         int err;
 685         u8 status;
 686
 687         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 688
 689         err = mthca_init_uar_table(dev);
 690         if (err) {
 691                 mthca_err(dev, "Failed to initialize "
 692                           "user access region table, aborting.\n");
 693                 return err;
 694         }
 695
 696         err = mthca_uar_alloc(dev, &dev->driver_uar);
 697         if (err) {
 698                 mthca_err(dev, "Failed to allocate driver access region, "
 699                           "aborting.\n");
 700                 goto err_uar_table_free;
 701         }
 702
 703         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 704         if (!dev->kar) {
 705                 mthca_err(dev, "Couldn't map kernel access region, "
 706                           "aborting.\n");
 707                 err = -ENOMEM;
 708                 goto err_uar_free;
 709         }
 710
 711         err = mthca_init_pd_table(dev);
 712         if (err) {
 713                 mthca_err(dev, "Failed to initialize "
 714                           "protection domain table, aborting.\n");
 715                 goto err_kar_unmap;
 716         }
 717
 718         err = mthca_init_mr_table(dev);
 719         if (err) {
 720                 mthca_err(dev, "Failed to initialize "
 721                           "memory region table, aborting.\n");
 722                 goto err_pd_table_free;
 723         }
 724
 725         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 726         if (err) {
 727                 mthca_err(dev, "Failed to create driver PD, "
 728                           "aborting.\n");
 729                 goto err_mr_table_free;
 730         }
 731
 732         err = mthca_init_eq_table(dev);
 733         if (err) {
 734                 mthca_err(dev, "Failed to initialize "
 735                           "event queue table, aborting.\n");
 736                 goto err_pd_free;
 737         }
 738
 739         err = mthca_cmd_use_events(dev);
 740         if (err) {
 741                 mthca_err(dev, "Failed to switch to event-driven "
 742                           "firmware commands, aborting.\n");
 743                 goto err_eq_table_free;
 744         }
 745
 746         err = mthca_NOP(dev, &status);
 747         if (err || status) {
 748                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 749                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 750                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 751                           dev->pdev->irq);
 752                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 753                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 754                 else
 755                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 756
 757                 goto err_cmd_poll;
 758         }
 759
 760         mthca_dbg(dev, "NOP command IRQ test passed\n");
 761
 762         err = mthca_init_cq_table(dev);
 763         if (err) {
 764                 mthca_err(dev, "Failed to initialize "
 765                           "completion queue table, aborting.\n");
 766                 goto err_cmd_poll;
 767         }
 768
 769         err = mthca_init_srq_table(dev);
 770         if (err) {
 771                 mthca_err(dev, "Failed to initialize "
 772                           "shared receive queue table, aborting.\n");
 773                 goto err_cq_table_free;
 774         }
 775
 776         err = mthca_init_qp_table(dev);
 777         if (err) {
 778                 mthca_err(dev, "Failed to initialize "
 779                           "queue pair table, aborting.\n");
 780                 goto err_srq_table_free;
 781         }
 782
 783         err = mthca_init_av_table(dev);
 784         if (err) {
 785                 mthca_err(dev, "Failed to initialize "
 786                           "address vector table, aborting.\n");
 787                 goto err_qp_table_free;
 788         }
 789
 790         err = mthca_init_mcg_table(dev);
 791         if (err) {
 792                 mthca_err(dev, "Failed to initialize "
 793                           "multicast group table, aborting.\n");
 794                 goto err_av_table_free;
 795         }
 796
 797         return 0;
 798
 799 err_av_table_free:
 800         mthca_cleanup_av_table(dev);
 801
 802 err_qp_table_free:
 803         mthca_cleanup_qp_table(dev);
 804
 805 err_srq_table_free:
 806         mthca_cleanup_srq_table(dev);
 807
 808 err_cq_table_free:
 809         mthca_cleanup_cq_table(dev);
 810
 811 err_cmd_poll:
 812         mthca_cmd_use_polling(dev);
 813
 814 err_eq_table_free:
 815         mthca_cleanup_eq_table(dev);
 816
 817 err_pd_free:
 818         mthca_pd_free(dev, &dev->driver_pd);
 819
 820 err_mr_table_free:
 821         mthca_cleanup_mr_table(dev);
 822
 823 err_pd_table_free:
 824         mthca_cleanup_pd_table(dev);
 825
 826 err_kar_unmap:
 827         iounmap(dev->kar);
 828
 829 err_uar_free:
 830         mthca_uar_free(dev, &dev->driver_uar);
 831
 832 err_uar_table_free:
 833         mthca_cleanup_uar_table(dev);
 834         return err;
 835 }
 836
 837 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 838                                            int ddr_hidden)
 839 {
 840         int err;
 841
 842         /*
 843          * We can't just use pci_request_regions() because the MSI-X
 844          * table is right in the middle of the first BAR.  If we did
 845          * pci_request_region and grab all of the first BAR, then
 846          * setting up MSI-X would fail, since the PCI core wants to do
 847          * request_mem_region on the MSI-X vector table.
 848          *
 849          * So just request what we need right now, and request any
 850          * other regions we need when setting up EQs.
 851          */
 852         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 853                                 MTHCA_HCR_SIZE, DRV_NAME))
 854                 return -EBUSY;
 855
 856         err = pci_request_region(pdev, 2, DRV_NAME);
 857         if (err)
 858                 goto err_bar2_failed;
 859
 860         if (!ddr_hidden) {
 861                 err = pci_request_region(pdev, 4, DRV_NAME);
 862                 if (err)
 863                         goto err_bar4_failed;
 864         }
 865
 866         return 0;
 867
 868 err_bar4_failed:
 869         pci_release_region(pdev, 2);
 870
 871 err_bar2_failed:
 872         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 873                            MTHCA_HCR_SIZE);
 874
 875         return err;
 876 }
 877
 878 static void mthca_release_regions(struct pci_dev *pdev,
 879                                   int ddr_hidden)
 880 {
 881         if (!ddr_hidden)
 882                 pci_release_region(pdev, 4);
 883
 884         pci_release_region(pdev, 2);
 885
 886         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 887                            MTHCA_HCR_SIZE);
 888 }
 889
 890 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 891 {
 892         struct msix_entry entries[3];
 893         int err;
 894
 895         entries[0].entry = 0;
 896         entries[1].entry = 1;
 897         entries[2].entry = 2;
 898
 899         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 900         if (err) {
 901                 if (err > 0)
 902                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 903                                    "not using MSI-X\n", err);
 904                 return err;
 905         }
 906
 907         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 908         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 909         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 910
 911         return 0;
 912 }
 913
 914 /* Types of supported HCA */
 915 enum {
 916         TAVOR,                  /* MT23108                        */
 917         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 918         ARBEL_NATIVE,           /* MT25208 with extended features */
 919         SINAI                   /* MT25204 */
 920 };
 921
 922 #define MTHCA_FW_VER(major, minor, subminor) \
 923         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 924
 925 static struct {
 926         u64 latest_fw;
 927         int is_memfree;
 928         int is_pcie;
 929 } mthca_hca_table[] = {
 930         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 3, 3), .is_memfree = 0, .is_pcie = 0 },
 931         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 0), .is_memfree = 0, .is_pcie = 1 },
 932         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0), .is_memfree = 1, .is_pcie = 1 },
 933         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 0, 1), .is_memfree = 1, .is_pcie = 1 }
 934 };
 935
 936 static int __devinit mthca_init_one(struct pci_dev *pdev,
 937                                     const struct pci_device_id *id)
 938 {
 939         static int mthca_version_printed = 0;
 940         int ddr_hidden = 0;
 941         int err;
 942         struct mthca_dev *mdev;
 943
 944         if (!mthca_version_printed) {
 945                 printk(KERN_INFO "%s", mthca_version);
 946                 ++mthca_version_printed;
 947         }
 948
 949         printk(KERN_INFO PFX "Initializing %s\n",
 950                pci_name(pdev));
 951
 952         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 953                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 954                        pci_name(pdev), id->driver_data);
 955                 return -ENODEV;
 956         }
 957
 958         err = pci_enable_device(pdev);
 959         if (err) {
 960                 dev_err(&pdev->dev, "Cannot enable PCI device, "
 961                         "aborting.\n");
 962                 return err;
 963         }
 964
 965         /*
 966          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
 967          * be present)
 968          */
 969         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
 970             pci_resource_len(pdev, 0) != 1 << 20) {
 971                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
 972                 err = -ENODEV;
 973                 goto err_disable_pdev;
 974         }
 975         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM) ||
 976             pci_resource_len(pdev, 2) != 1 << 23) {
 977                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
 978                 err = -ENODEV;
 979                 goto err_disable_pdev;
 980         }
 981         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
 982                 ddr_hidden = 1;
 983
 984         err = mthca_request_regions(pdev, ddr_hidden);
 985         if (err) {
 986                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
 987                         "aborting.\n");
 988                 goto err_disable_pdev;
 989         }
 990
 991         pci_set_master(pdev);
 992
 993         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
 994         if (err) {
 995                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
 996                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 997                 if (err) {
 998                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
 999                         goto err_free_res;
1000                 }
1001         }
1002         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1003         if (err) {
1004                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1005                          "consistent PCI DMA mask.\n");
1006                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1007                 if (err) {
1008                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1009                                 "aborting.\n");
1010                         goto err_free_res;
1011                 }
1012         }
1013
1014         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1015         if (!mdev) {
1016                 dev_err(&pdev->dev, "Device struct alloc failed, "
1017                         "aborting.\n");
1018                 err = -ENOMEM;
1019                 goto err_free_res;
1020         }
1021
1022         mdev->pdev = pdev;
1023
1024         if (ddr_hidden)
1025                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1026         if (mthca_hca_table[id->driver_data].is_memfree)
1027                 mdev->mthca_flags |= MTHCA_FLAG_MEMFREE;
1028         if (mthca_hca_table[id->driver_data].is_pcie)
1029                 mdev->mthca_flags |= MTHCA_FLAG_PCIE;
1030
1031         /*
1032          * Now reset the HCA before we touch the PCI capabilities or
1033          * attempt a firmware command, since a boot ROM may have left
1034          * the HCA in an undefined state.
1035          */
1036         err = mthca_reset(mdev);
1037         if (err) {
1038                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1039                 goto err_free_dev;
1040         }
1041
1042         if (msi_x && !mthca_enable_msi_x(mdev))
1043                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1044         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1045             !pci_enable_msi(pdev))
1046                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1047
1048         if (mthca_cmd_init(mdev)) {
1049                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1050                 goto err_free_dev;
1051         }
1052
1053         err = mthca_tune_pci(mdev);
1054         if (err)
1055                 goto err_cmd;
1056
1057         err = mthca_init_hca(mdev);
1058         if (err)
1059                 goto err_cmd;
1060
1061         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1062                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1063                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1064                            (int) (mdev->fw_ver & 0xffff),
1065                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1066                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1067                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1068                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1069         }
1070
1071         err = mthca_setup_hca(mdev);
1072         if (err)
1073                 goto err_close;
1074
1075         err = mthca_register_device(mdev);
1076         if (err)
1077                 goto err_cleanup;
1078
1079         err = mthca_create_agents(mdev);
1080         if (err)
1081                 goto err_unregister;
1082
1083         pci_set_drvdata(pdev, mdev);
1084
1085         return 0;
1086
1087 err_unregister:
1088         mthca_unregister_device(mdev);
1089
1090 err_cleanup:
1091         mthca_cleanup_mcg_table(mdev);
1092         mthca_cleanup_av_table(mdev);
1093         mthca_cleanup_qp_table(mdev);
1094         mthca_cleanup_srq_table(mdev);
1095         mthca_cleanup_cq_table(mdev);
1096         mthca_cmd_use_polling(mdev);
1097         mthca_cleanup_eq_table(mdev);
1098
1099         mthca_pd_free(mdev, &mdev->driver_pd);
1100
1101         mthca_cleanup_mr_table(mdev);
1102         mthca_cleanup_pd_table(mdev);
1103         mthca_cleanup_uar_table(mdev);
1104
1105 err_close:
1106         mthca_close_hca(mdev);
1107
1108 err_cmd:
1109         mthca_cmd_cleanup(mdev);
1110
1111 err_free_dev:
1112         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1113                 pci_disable_msix(pdev);
1114         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1115                 pci_disable_msi(pdev);
1116
1117         ib_dealloc_device(&mdev->ib_dev);
1118
1119 err_free_res:
1120         mthca_release_regions(pdev, ddr_hidden);
1121
1122 err_disable_pdev:
1123         pci_disable_device(pdev);
1124         pci_set_drvdata(pdev, NULL);
1125         return err;
1126 }
1127
1128 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1129 {
1130         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1131         u8 status;
1132         int p;
1133
1134         if (mdev) {
1135                 mthca_free_agents(mdev);
1136                 mthca_unregister_device(mdev);
1137
1138                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1139                         mthca_CLOSE_IB(mdev, p, &status);
1140
1141                 mthca_cleanup_mcg_table(mdev);
1142                 mthca_cleanup_av_table(mdev);
1143                 mthca_cleanup_qp_table(mdev);
1144                 mthca_cleanup_srq_table(mdev);
1145                 mthca_cleanup_cq_table(mdev);
1146                 mthca_cmd_use_polling(mdev);
1147                 mthca_cleanup_eq_table(mdev);
1148
1149                 mthca_pd_free(mdev, &mdev->driver_pd);
1150
1151                 mthca_cleanup_mr_table(mdev);
1152                 mthca_cleanup_pd_table(mdev);
1153
1154                 iounmap(mdev->kar);
1155                 mthca_uar_free(mdev, &mdev->driver_uar);
1156                 mthca_cleanup_uar_table(mdev);
1157                 mthca_close_hca(mdev);
1158                 mthca_cmd_cleanup(mdev);
1159
1160                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1161                         pci_disable_msix(pdev);
1162                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1163                         pci_disable_msi(pdev);
1164
1165                 ib_dealloc_device(&mdev->ib_dev);
1166                 mthca_release_regions(pdev, mdev->mthca_flags &
1167                                       MTHCA_FLAG_DDR_HIDDEN);
1168                 pci_disable_device(pdev);
1169                 pci_set_drvdata(pdev, NULL);
1170         }
1171 }
1172
1173 static struct pci_device_id mthca_pci_table[] = {
1174         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1175           .driver_data = TAVOR },
1176         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1177           .driver_data = TAVOR },
1178         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1179           .driver_data = ARBEL_COMPAT },
1180         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1181           .driver_data = ARBEL_COMPAT },
1182         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1183           .driver_data = ARBEL_NATIVE },
1184         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1185           .driver_data = ARBEL_NATIVE },
1186         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1187           .driver_data = SINAI },
1188         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1189           .driver_data = SINAI },
1190         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1191           .driver_data = SINAI },
1192         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1193           .driver_data = SINAI },
1194         { 0, }
1195 };
1196
1197 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1198
1199 static struct pci_driver mthca_driver = {
1200         .name           = DRV_NAME,
1201         .id_table       = mthca_pci_table,
1202         .probe          = mthca_init_one,
1203         .remove         = __devexit_p(mthca_remove_one)
1204 };
1205
1206 static int __init mthca_init(void)
1207 {
1208         int ret;
1209
1210         ret = pci_register_driver(&mthca_driver);
1211         return ret < 0 ? ret : 0;
1212 }
1213
1214 static void __exit mthca_cleanup(void)
1215 {
1216         pci_unregister_driver(&mthca_driver);
1217 }
1218
1219 module_init(mthca_init);
1220 module_exit(mthca_cleanup);