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   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         /*
 172          * Subtract 1 from the limit because we need to allocate a
 173          * spare CQE so the HCA HW can tell the difference between an
 174          * empty CQ and a full CQ.
 175          */
 176         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 177         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 178         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 179         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 180         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 181         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 182         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 183         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 184         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 185         mdev->limits.flags              = dev_lim->flags;
 186
 187         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 188            May be doable since hardware supports it for SRQ.
 189
 190            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 191
 192            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 193            supported by driver. */
 194         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 195                 IB_DEVICE_PORT_ACTIVE_EVENT |
 196                 IB_DEVICE_SYS_IMAGE_GUID |
 197                 IB_DEVICE_RC_RNR_NAK_GEN;
 198
 199         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 200                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 201
 202         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 203                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 204
 205         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 206                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 207
 208         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 209                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 210
 211         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 212                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 213
 214         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 215                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 216
 217         return 0;
 218 }
 219
 220 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 221 {
 222         u8 status;
 223         int err;
 224         struct mthca_dev_lim        dev_lim;
 225         struct mthca_profile        profile;
 226         struct mthca_init_hca_param init_hca;
 227
 228         err = mthca_SYS_EN(mdev, &status);
 229         if (err) {
 230                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 231                 return err;
 232         }
 233         if (status) {
 234                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 235                           "aborting.\n", status);
 236                 return -EINVAL;
 237         }
 238
 239         err = mthca_QUERY_FW(mdev, &status);
 240         if (err) {
 241                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 242                 goto err_disable;
 243         }
 244         if (status) {
 245                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 246                           "aborting.\n", status);
 247                 err = -EINVAL;
 248                 goto err_disable;
 249         }
 250         err = mthca_QUERY_DDR(mdev, &status);
 251         if (err) {
 252                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 253                 goto err_disable;
 254         }
 255         if (status) {
 256                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 257                           "aborting.\n", status);
 258                 err = -EINVAL;
 259                 goto err_disable;
 260         }
 261
 262         err = mthca_dev_lim(mdev, &dev_lim);
 263
 264         profile = default_profile;
 265         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 266         profile.uarc_size = 0;
 267         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 268                 profile.num_srq = dev_lim.max_srqs;
 269
 270         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 271         if (err < 0)
 272                 goto err_disable;
 273
 274         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 275         if (err) {
 276                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 277                 goto err_disable;
 278         }
 279         if (status) {
 280                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 281                           "aborting.\n", status);
 282                 err = -EINVAL;
 283                 goto err_disable;
 284         }
 285
 286         return 0;
 287
 288 err_disable:
 289         mthca_SYS_DIS(mdev, &status);
 290
 291         return err;
 292 }
 293
 294 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 295 {
 296         u8 status;
 297         int err;
 298
 299         /* FIXME: use HCA-attached memory for FW if present */
 300
 301         mdev->fw.arbel.fw_icm =
 302                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 303                                 GFP_HIGHUSER | __GFP_NOWARN);
 304         if (!mdev->fw.arbel.fw_icm) {
 305                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 306                 return -ENOMEM;
 307         }
 308
 309         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 310         if (err) {
 311                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 312                 goto err_free;
 313         }
 314         if (status) {
 315                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 316                 err = -EINVAL;
 317                 goto err_free;
 318         }
 319         err = mthca_RUN_FW(mdev, &status);
 320         if (err) {
 321                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 322                 goto err_unmap_fa;
 323         }
 324         if (status) {
 325                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 326                 err = -EINVAL;
 327                 goto err_unmap_fa;
 328         }
 329
 330         return 0;
 331
 332 err_unmap_fa:
 333         mthca_UNMAP_FA(mdev, &status);
 334
 335 err_free:
 336         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 337         return err;
 338 }
 339
 340 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 341                                     struct mthca_dev_lim *dev_lim,
 342                                     struct mthca_init_hca_param *init_hca,
 343                                     u64 icm_size)
 344 {
 345         u64 aux_pages;
 346         u8 status;
 347         int err;
 348
 349         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 350         if (err) {
 351                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 352                 return err;
 353         }
 354         if (status) {
 355                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 356                           "aborting.\n", status);
 357                 return -EINVAL;
 358         }
 359
 360         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 361                   (unsigned long long) icm_size >> 10,
 362                   (unsigned long long) aux_pages << 2);
 363
 364         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 365                                                  GFP_HIGHUSER | __GFP_NOWARN);
 366         if (!mdev->fw.arbel.aux_icm) {
 367                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 368                 return -ENOMEM;
 369         }
 370
 371         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 372         if (err) {
 373                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 374                 goto err_free_aux;
 375         }
 376         if (status) {
 377                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 378                 err = -EINVAL;
 379                 goto err_free_aux;
 380         }
 381
 382         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 383         if (err) {
 384                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 385                 goto err_unmap_aux;
 386         }
 387
 388         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 389                                                          MTHCA_MTT_SEG_SIZE,
 390                                                          mdev->limits.num_mtt_segs,
 391                                                          mdev->limits.reserved_mtts, 1);
 392         if (!mdev->mr_table.mtt_table) {
 393                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 394                 err = -ENOMEM;
 395                 goto err_unmap_eq;
 396         }
 397
 398         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 399                                                          dev_lim->mpt_entry_sz,
 400                                                          mdev->limits.num_mpts,
 401                                                          mdev->limits.reserved_mrws, 1);
 402         if (!mdev->mr_table.mpt_table) {
 403                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 404                 err = -ENOMEM;
 405                 goto err_unmap_mtt;
 406         }
 407
 408         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 409                                                         dev_lim->qpc_entry_sz,
 410                                                         mdev->limits.num_qps,
 411                                                         mdev->limits.reserved_qps, 0);
 412         if (!mdev->qp_table.qp_table) {
 413                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 414                 err = -ENOMEM;
 415                 goto err_unmap_mpt;
 416         }
 417
 418         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 419                                                          dev_lim->eqpc_entry_sz,
 420                                                          mdev->limits.num_qps,
 421                                                          mdev->limits.reserved_qps, 0);
 422         if (!mdev->qp_table.eqp_table) {
 423                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 424                 err = -ENOMEM;
 425                 goto err_unmap_qp;
 426         }
 427
 428         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 429                                                          MTHCA_RDB_ENTRY_SIZE,
 430                                                          mdev->limits.num_qps <<
 431                                                          mdev->qp_table.rdb_shift,
 432                                                          0, 0);
 433         if (!mdev->qp_table.rdb_table) {
 434                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 435                 err = -ENOMEM;
 436                 goto err_unmap_eqp;
 437         }
 438
 439        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 440                                                     dev_lim->cqc_entry_sz,
 441                                                     mdev->limits.num_cqs,
 442                                                     mdev->limits.reserved_cqs, 0);
 443         if (!mdev->cq_table.table) {
 444                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 445                 err = -ENOMEM;
 446                 goto err_unmap_rdb;
 447         }
 448
 449         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 450                 mdev->srq_table.table =
 451                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 452                                               dev_lim->srq_entry_sz,
 453                                               mdev->limits.num_srqs,
 454                                               mdev->limits.reserved_srqs, 0);
 455                 if (!mdev->srq_table.table) {
 456                         mthca_err(mdev, "Failed to map SRQ context memory, "
 457                                   "aborting.\n");
 458                         err = -ENOMEM;
 459                         goto err_unmap_cq;
 460                 }
 461         }
 462
 463         /*
 464          * It's not strictly required, but for simplicity just map the
 465          * whole multicast group table now.  The table isn't very big
 466          * and it's a lot easier than trying to track ref counts.
 467          */
 468         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 469                                                       MTHCA_MGM_ENTRY_SIZE,
 470                                                       mdev->limits.num_mgms +
 471                                                       mdev->limits.num_amgms,
 472                                                       mdev->limits.num_mgms +
 473                                                       mdev->limits.num_amgms,
 474                                                       0);
 475         if (!mdev->mcg_table.table) {
 476                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 477                 err = -ENOMEM;
 478                 goto err_unmap_srq;
 479         }
 480
 481         return 0;
 482
 483 err_unmap_srq:
 484         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 485                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 486
 487 err_unmap_cq:
 488         mthca_free_icm_table(mdev, mdev->cq_table.table);
 489
 490 err_unmap_rdb:
 491         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 492
 493 err_unmap_eqp:
 494         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 495
 496 err_unmap_qp:
 497         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 498
 499 err_unmap_mpt:
 500         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 501
 502 err_unmap_mtt:
 503         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 504
 505 err_unmap_eq:
 506         mthca_unmap_eq_icm(mdev);
 507
 508 err_unmap_aux:
 509         mthca_UNMAP_ICM_AUX(mdev, &status);
 510
 511 err_free_aux:
 512         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 513
 514         return err;
 515 }
 516
 517 static void mthca_free_icms(struct mthca_dev *mdev)
 518 {
 519         u8 status;
 520
 521         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 522         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 523                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 524         mthca_free_icm_table(mdev, mdev->cq_table.table);
 525         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 526         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 527         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 528         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 529         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 530         mthca_unmap_eq_icm(mdev);
 531
 532         mthca_UNMAP_ICM_AUX(mdev, &status);
 533         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 534 }
 535
 536 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 537 {
 538         struct mthca_dev_lim        dev_lim;
 539         struct mthca_profile        profile;
 540         struct mthca_init_hca_param init_hca;
 541         u64 icm_size;
 542         u8 status;
 543         int err;
 544
 545         err = mthca_QUERY_FW(mdev, &status);
 546         if (err) {
 547                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 548                 return err;
 549         }
 550         if (status) {
 551                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 552                           "aborting.\n", status);
 553                 return -EINVAL;
 554         }
 555
 556         err = mthca_ENABLE_LAM(mdev, &status);
 557         if (err) {
 558                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 559                 return err;
 560         }
 561         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 562                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 563                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 564         } else if (status) {
 565                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 566                           "aborting.\n", status);
 567                 return -EINVAL;
 568         }
 569
 570         err = mthca_load_fw(mdev);
 571         if (err) {
 572                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 573                 goto err_disable;
 574         }
 575
 576         err = mthca_dev_lim(mdev, &dev_lim);
 577         if (err) {
 578                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 579                 goto err_stop_fw;
 580         }
 581
 582         profile = default_profile;
 583         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 584         profile.num_udav = 0;
 585         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 586                 profile.num_srq = dev_lim.max_srqs;
 587
 588         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 589         if ((int) icm_size < 0) {
 590                 err = icm_size;
 591                 goto err_stop_fw;
 592         }
 593
 594         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 595         if (err)
 596                 goto err_stop_fw;
 597
 598         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 599         if (err) {
 600                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 601                 goto err_free_icm;
 602         }
 603         if (status) {
 604                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 605                           "aborting.\n", status);
 606                 err = -EINVAL;
 607                 goto err_free_icm;
 608         }
 609
 610         return 0;
 611
 612 err_free_icm:
 613         mthca_free_icms(mdev);
 614
 615 err_stop_fw:
 616         mthca_UNMAP_FA(mdev, &status);
 617         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 618
 619 err_disable:
 620         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 621                 mthca_DISABLE_LAM(mdev, &status);
 622
 623         return err;
 624 }
 625
 626 static void mthca_close_hca(struct mthca_dev *mdev)
 627 {
 628         u8 status;
 629
 630         mthca_CLOSE_HCA(mdev, 0, &status);
 631
 632         if (mthca_is_memfree(mdev)) {
 633                 mthca_free_icms(mdev);
 634
 635                 mthca_UNMAP_FA(mdev, &status);
 636                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 637
 638                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 639                         mthca_DISABLE_LAM(mdev, &status);
 640         } else
 641                 mthca_SYS_DIS(mdev, &status);
 642 }
 643
 644 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 645 {
 646         u8 status;
 647         int err;
 648         struct mthca_adapter adapter;
 649
 650         if (mthca_is_memfree(mdev))
 651                 err = mthca_init_arbel(mdev);
 652         else
 653                 err = mthca_init_tavor(mdev);
 654
 655         if (err)
 656                 return err;
 657
 658         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 659         if (err) {
 660                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 661                 goto err_close;
 662         }
 663         if (status) {
 664                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 665                           "aborting.\n", status);
 666                 err = -EINVAL;
 667                 goto err_close;
 668         }
 669
 670         mdev->eq_table.inta_pin = adapter.inta_pin;
 671         mdev->rev_id            = adapter.revision_id;
 672         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 673
 674         return 0;
 675
 676 err_close:
 677         mthca_close_hca(mdev);
 678         return err;
 679 }
 680
 681 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 682 {
 683         int err;
 684         u8 status;
 685
 686         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 687
 688         err = mthca_init_uar_table(dev);
 689         if (err) {
 690                 mthca_err(dev, "Failed to initialize "
 691                           "user access region table, aborting.\n");
 692                 return err;
 693         }
 694
 695         err = mthca_uar_alloc(dev, &dev->driver_uar);
 696         if (err) {
 697                 mthca_err(dev, "Failed to allocate driver access region, "
 698                           "aborting.\n");
 699                 goto err_uar_table_free;
 700         }
 701
 702         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 703         if (!dev->kar) {
 704                 mthca_err(dev, "Couldn't map kernel access region, "
 705                           "aborting.\n");
 706                 err = -ENOMEM;
 707                 goto err_uar_free;
 708         }
 709
 710         err = mthca_init_pd_table(dev);
 711         if (err) {
 712                 mthca_err(dev, "Failed to initialize "
 713                           "protection domain table, aborting.\n");
 714                 goto err_kar_unmap;
 715         }
 716
 717         err = mthca_init_mr_table(dev);
 718         if (err) {
 719                 mthca_err(dev, "Failed to initialize "
 720                           "memory region table, aborting.\n");
 721                 goto err_pd_table_free;
 722         }
 723
 724         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 725         if (err) {
 726                 mthca_err(dev, "Failed to create driver PD, "
 727                           "aborting.\n");
 728                 goto err_mr_table_free;
 729         }
 730
 731         err = mthca_init_eq_table(dev);
 732         if (err) {
 733                 mthca_err(dev, "Failed to initialize "
 734                           "event queue table, aborting.\n");
 735                 goto err_pd_free;
 736         }
 737
 738         err = mthca_cmd_use_events(dev);
 739         if (err) {
 740                 mthca_err(dev, "Failed to switch to event-driven "
 741                           "firmware commands, aborting.\n");
 742                 goto err_eq_table_free;
 743         }
 744
 745         err = mthca_NOP(dev, &status);
 746         if (err || status) {
 747                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 748                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 749                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 750                           dev->pdev->irq);
 751                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 752                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 753                 else
 754                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 755
 756                 goto err_cmd_poll;
 757         }
 758
 759         mthca_dbg(dev, "NOP command IRQ test passed\n");
 760
 761         err = mthca_init_cq_table(dev);
 762         if (err) {
 763                 mthca_err(dev, "Failed to initialize "
 764                           "completion queue table, aborting.\n");
 765                 goto err_cmd_poll;
 766         }
 767
 768         err = mthca_init_srq_table(dev);
 769         if (err) {
 770                 mthca_err(dev, "Failed to initialize "
 771                           "shared receive queue table, aborting.\n");
 772                 goto err_cq_table_free;
 773         }
 774
 775         err = mthca_init_qp_table(dev);
 776         if (err) {
 777                 mthca_err(dev, "Failed to initialize "
 778                           "queue pair table, aborting.\n");
 779                 goto err_srq_table_free;
 780         }
 781
 782         err = mthca_init_av_table(dev);
 783         if (err) {
 784                 mthca_err(dev, "Failed to initialize "
 785                           "address vector table, aborting.\n");
 786                 goto err_qp_table_free;
 787         }
 788
 789         err = mthca_init_mcg_table(dev);
 790         if (err) {
 791                 mthca_err(dev, "Failed to initialize "
 792                           "multicast group table, aborting.\n");
 793                 goto err_av_table_free;
 794         }
 795
 796         return 0;
 797
 798 err_av_table_free:
 799         mthca_cleanup_av_table(dev);
 800
 801 err_qp_table_free:
 802         mthca_cleanup_qp_table(dev);
 803
 804 err_srq_table_free:
 805         mthca_cleanup_srq_table(dev);
 806
 807 err_cq_table_free:
 808         mthca_cleanup_cq_table(dev);
 809
 810 err_cmd_poll:
 811         mthca_cmd_use_polling(dev);
 812
 813 err_eq_table_free:
 814         mthca_cleanup_eq_table(dev);
 815
 816 err_pd_free:
 817         mthca_pd_free(dev, &dev->driver_pd);
 818
 819 err_mr_table_free:
 820         mthca_cleanup_mr_table(dev);
 821
 822 err_pd_table_free:
 823         mthca_cleanup_pd_table(dev);
 824
 825 err_kar_unmap:
 826         iounmap(dev->kar);
 827
 828 err_uar_free:
 829         mthca_uar_free(dev, &dev->driver_uar);
 830
 831 err_uar_table_free:
 832         mthca_cleanup_uar_table(dev);
 833         return err;
 834 }
 835
 836 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 837                                            int ddr_hidden)
 838 {
 839         int err;
 840
 841         /*
 842          * We can't just use pci_request_regions() because the MSI-X
 843          * table is right in the middle of the first BAR.  If we did
 844          * pci_request_region and grab all of the first BAR, then
 845          * setting up MSI-X would fail, since the PCI core wants to do
 846          * request_mem_region on the MSI-X vector table.
 847          *
 848          * So just request what we need right now, and request any
 849          * other regions we need when setting up EQs.
 850          */
 851         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 852                                 MTHCA_HCR_SIZE, DRV_NAME))
 853                 return -EBUSY;
 854
 855         err = pci_request_region(pdev, 2, DRV_NAME);
 856         if (err)
 857                 goto err_bar2_failed;
 858
 859         if (!ddr_hidden) {
 860                 err = pci_request_region(pdev, 4, DRV_NAME);
 861                 if (err)
 862                         goto err_bar4_failed;
 863         }
 864
 865         return 0;
 866
 867 err_bar4_failed:
 868         pci_release_region(pdev, 2);
 869
 870 err_bar2_failed:
 871         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 872                            MTHCA_HCR_SIZE);
 873
 874         return err;
 875 }
 876
 877 static void mthca_release_regions(struct pci_dev *pdev,
 878                                   int ddr_hidden)
 879 {
 880         if (!ddr_hidden)
 881                 pci_release_region(pdev, 4);
 882
 883         pci_release_region(pdev, 2);
 884
 885         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 886                            MTHCA_HCR_SIZE);
 887 }
 888
 889 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 890 {
 891         struct msix_entry entries[3];
 892         int err;
 893
 894         entries[0].entry = 0;
 895         entries[1].entry = 1;
 896         entries[2].entry = 2;
 897
 898         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 899         if (err) {
 900                 if (err > 0)
 901                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 902                                    "not using MSI-X\n", err);
 903                 return err;
 904         }
 905
 906         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 907         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 908         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 909
 910         return 0;
 911 }
 912
 913 /* Types of supported HCA */
 914 enum {
 915         TAVOR,                  /* MT23108                        */
 916         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 917         ARBEL_NATIVE,           /* MT25208 with extended features */
 918         SINAI                   /* MT25204 */
 919 };
 920
 921 #define MTHCA_FW_VER(major, minor, subminor) \
 922         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 923
 924 static struct {
 925         u64 latest_fw;
 926         int is_memfree;
 927         int is_pcie;
 928 } mthca_hca_table[] = {
 929         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 3, 3), .is_memfree = 0, .is_pcie = 0 },
 930         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 0), .is_memfree = 0, .is_pcie = 1 },
 931         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0), .is_memfree = 1, .is_pcie = 1 },
 932         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 0, 1), .is_memfree = 1, .is_pcie = 1 }
 933 };
 934
 935 static int __devinit mthca_init_one(struct pci_dev *pdev,
 936                                     const struct pci_device_id *id)
 937 {
 938         static int mthca_version_printed = 0;
 939         int ddr_hidden = 0;
 940         int err;
 941         struct mthca_dev *mdev;
 942
 943         if (!mthca_version_printed) {
 944                 printk(KERN_INFO "%s", mthca_version);
 945                 ++mthca_version_printed;
 946         }
 947
 948         printk(KERN_INFO PFX "Initializing %s\n",
 949                pci_name(pdev));
 950
 951         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 952                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 953                        pci_name(pdev), id->driver_data);
 954                 return -ENODEV;
 955         }
 956
 957         err = pci_enable_device(pdev);
 958         if (err) {
 959                 dev_err(&pdev->dev, "Cannot enable PCI device, "
 960                         "aborting.\n");
 961                 return err;
 962         }
 963
 964         /*
 965          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
 966          * be present)
 967          */
 968         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
 969             pci_resource_len(pdev, 0) != 1 << 20) {
 970                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
 971                 err = -ENODEV;
 972                 goto err_disable_pdev;
 973         }
 974         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM) ||
 975             pci_resource_len(pdev, 2) != 1 << 23) {
 976                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
 977                 err = -ENODEV;
 978                 goto err_disable_pdev;
 979         }
 980         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
 981                 ddr_hidden = 1;
 982
 983         err = mthca_request_regions(pdev, ddr_hidden);
 984         if (err) {
 985                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
 986                         "aborting.\n");
 987                 goto err_disable_pdev;
 988         }
 989
 990         pci_set_master(pdev);
 991
 992         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
 993         if (err) {
 994                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
 995                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
 996                 if (err) {
 997                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
 998                         goto err_free_res;
 999                 }
1000         }
1001         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1002         if (err) {
1003                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1004                          "consistent PCI DMA mask.\n");
1005                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1006                 if (err) {
1007                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1008                                 "aborting.\n");
1009                         goto err_free_res;
1010                 }
1011         }
1012
1013         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1014         if (!mdev) {
1015                 dev_err(&pdev->dev, "Device struct alloc failed, "
1016                         "aborting.\n");
1017                 err = -ENOMEM;
1018                 goto err_free_res;
1019         }
1020
1021         mdev->pdev = pdev;
1022
1023         if (ddr_hidden)
1024                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1025         if (mthca_hca_table[id->driver_data].is_memfree)
1026                 mdev->mthca_flags |= MTHCA_FLAG_MEMFREE;
1027         if (mthca_hca_table[id->driver_data].is_pcie)
1028                 mdev->mthca_flags |= MTHCA_FLAG_PCIE;
1029
1030         /*
1031          * Now reset the HCA before we touch the PCI capabilities or
1032          * attempt a firmware command, since a boot ROM may have left
1033          * the HCA in an undefined state.
1034          */
1035         err = mthca_reset(mdev);
1036         if (err) {
1037                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1038                 goto err_free_dev;
1039         }
1040
1041         if (msi_x && !mthca_enable_msi_x(mdev))
1042                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1043         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1044             !pci_enable_msi(pdev))
1045                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1046
1047         if (mthca_cmd_init(mdev)) {
1048                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1049                 goto err_free_dev;
1050         }
1051
1052         err = mthca_tune_pci(mdev);
1053         if (err)
1054                 goto err_cmd;
1055
1056         err = mthca_init_hca(mdev);
1057         if (err)
1058                 goto err_cmd;
1059
1060         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1061                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1062                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1063                            (int) (mdev->fw_ver & 0xffff),
1064                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1065                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1066                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1067                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1068         }
1069
1070         err = mthca_setup_hca(mdev);
1071         if (err)
1072                 goto err_close;
1073
1074         err = mthca_register_device(mdev);
1075         if (err)
1076                 goto err_cleanup;
1077
1078         err = mthca_create_agents(mdev);
1079         if (err)
1080                 goto err_unregister;
1081
1082         pci_set_drvdata(pdev, mdev);
1083
1084         return 0;
1085
1086 err_unregister:
1087         mthca_unregister_device(mdev);
1088
1089 err_cleanup:
1090         mthca_cleanup_mcg_table(mdev);
1091         mthca_cleanup_av_table(mdev);
1092         mthca_cleanup_qp_table(mdev);
1093         mthca_cleanup_srq_table(mdev);
1094         mthca_cleanup_cq_table(mdev);
1095         mthca_cmd_use_polling(mdev);
1096         mthca_cleanup_eq_table(mdev);
1097
1098         mthca_pd_free(mdev, &mdev->driver_pd);
1099
1100         mthca_cleanup_mr_table(mdev);
1101         mthca_cleanup_pd_table(mdev);
1102         mthca_cleanup_uar_table(mdev);
1103
1104 err_close:
1105         mthca_close_hca(mdev);
1106
1107 err_cmd:
1108         mthca_cmd_cleanup(mdev);
1109
1110 err_free_dev:
1111         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1112                 pci_disable_msix(pdev);
1113         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1114                 pci_disable_msi(pdev);
1115
1116         ib_dealloc_device(&mdev->ib_dev);
1117
1118 err_free_res:
1119         mthca_release_regions(pdev, ddr_hidden);
1120
1121 err_disable_pdev:
1122         pci_disable_device(pdev);
1123         pci_set_drvdata(pdev, NULL);
1124         return err;
1125 }
1126
1127 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1128 {
1129         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1130         u8 status;
1131         int p;
1132
1133         if (mdev) {
1134                 mthca_free_agents(mdev);
1135                 mthca_unregister_device(mdev);
1136
1137                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1138                         mthca_CLOSE_IB(mdev, p, &status);
1139
1140                 mthca_cleanup_mcg_table(mdev);
1141                 mthca_cleanup_av_table(mdev);
1142                 mthca_cleanup_qp_table(mdev);
1143                 mthca_cleanup_srq_table(mdev);
1144                 mthca_cleanup_cq_table(mdev);
1145                 mthca_cmd_use_polling(mdev);
1146                 mthca_cleanup_eq_table(mdev);
1147
1148                 mthca_pd_free(mdev, &mdev->driver_pd);
1149
1150                 mthca_cleanup_mr_table(mdev);
1151                 mthca_cleanup_pd_table(mdev);
1152
1153                 iounmap(mdev->kar);
1154                 mthca_uar_free(mdev, &mdev->driver_uar);
1155                 mthca_cleanup_uar_table(mdev);
1156                 mthca_close_hca(mdev);
1157                 mthca_cmd_cleanup(mdev);
1158
1159                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1160                         pci_disable_msix(pdev);
1161                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1162                         pci_disable_msi(pdev);
1163
1164                 ib_dealloc_device(&mdev->ib_dev);
1165                 mthca_release_regions(pdev, mdev->mthca_flags &
1166                                       MTHCA_FLAG_DDR_HIDDEN);
1167                 pci_disable_device(pdev);
1168                 pci_set_drvdata(pdev, NULL);
1169         }
1170 }
1171
1172 static struct pci_device_id mthca_pci_table[] = {
1173         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1174           .driver_data = TAVOR },
1175         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1176           .driver_data = TAVOR },
1177         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1178           .driver_data = ARBEL_COMPAT },
1179         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1180           .driver_data = ARBEL_COMPAT },
1181         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1182           .driver_data = ARBEL_NATIVE },
1183         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1184           .driver_data = ARBEL_NATIVE },
1185         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1186           .driver_data = SINAI },
1187         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1188           .driver_data = SINAI },
1189         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1190           .driver_data = SINAI },
1191         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1192           .driver_data = SINAI },
1193         { 0, }
1194 };
1195
1196 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1197
1198 static struct pci_driver mthca_driver = {
1199         .name           = DRV_NAME,
1200         .owner          = THIS_MODULE,
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);