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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_INFINIBAND_MTHCA_DEBUG
  56
  57 int mthca_debug_level = 0;
  58 module_param_named(debug_level, mthca_debug_level, int, 0644);
  59 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
  60
  61 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
  62
  63 #ifdef CONFIG_PCI_MSI
  64
  65 static int msi_x = 0;
  66 module_param(msi_x, int, 0444);
  67 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
  68
  69 static int msi = 0;
  70 module_param(msi, int, 0444);
  71 MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
  72
  73 #else /* CONFIG_PCI_MSI */
  74
  75 #define msi_x (0)
  76 #define msi   (0)
  77
  78 #endif /* CONFIG_PCI_MSI */
  79
  80 static const char mthca_version[] __devinitdata =
  81         DRV_NAME ": Mellanox InfiniBand HCA driver v"
  82         DRV_VERSION " (" DRV_RELDATE ")\n";
  83
  84 static struct mthca_profile default_profile = {
  85         .num_qp            = 1 << 16,
  86         .rdb_per_qp        = 4,
  87         .num_cq            = 1 << 16,
  88         .num_mcg           = 1 << 13,
  89         .num_mpt           = 1 << 17,
  90         .num_mtt           = 1 << 20,
  91         .num_udav          = 1 << 15,   /* Tavor only */
  92         .fmr_reserved_mtts = 1 << 18,   /* Tavor only */
  93         .uarc_size         = 1 << 18,   /* Arbel only */
  94 };
  95
  96 static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
  97 {
  98         int cap;
  99         u16 val;
 100
 101         /* First try to max out Read Byte Count */
 102         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
 103         if (cap) {
 104                 if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
 105                         mthca_err(mdev, "Couldn't read PCI-X command register, "
 106                                   "aborting.\n");
 107                         return -ENODEV;
 108                 }
 109                 val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
 110                 if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
 111                         mthca_err(mdev, "Couldn't write PCI-X command register, "
 112                                   "aborting.\n");
 113                         return -ENODEV;
 114                 }
 115         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 116                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 117
 118         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
 119         if (cap) {
 120                 if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
 121                         mthca_err(mdev, "Couldn't read PCI Express device control "
 122                                   "register, aborting.\n");
 123                         return -ENODEV;
 124                 }
 125                 val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
 126                 if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
 127                         mthca_err(mdev, "Couldn't write PCI Express device control "
 128                                   "register, aborting.\n");
 129                         return -ENODEV;
 130                 }
 131         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 132                 mthca_info(mdev, "No PCI Express capability, "
 133                            "not setting Max Read Request Size.\n");
 134
 135         return 0;
 136 }
 137
 138 static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 139 {
 140         int err;
 141         u8 status;
 142
 143         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 144         if (err) {
 145                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 146                 return err;
 147         }
 148         if (status) {
 149                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 150                           "aborting.\n", status);
 151                 return -EINVAL;
 152         }
 153         if (dev_lim->min_page_sz > PAGE_SIZE) {
 154                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 155                           "kernel PAGE_SIZE of %ld, aborting.\n",
 156                           dev_lim->min_page_sz, PAGE_SIZE);
 157                 return -ENODEV;
 158         }
 159         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 160                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 161                           "aborting.\n",
 162                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 163                 return -ENODEV;
 164         }
 165
 166         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
 167                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
 168                           "PCI resource 2 size of 0x%lx, aborting.\n",
 169                           dev_lim->uar_size, pci_resource_len(mdev->pdev, 2));
 170                 return -ENODEV;
 171         }
 172
 173         mdev->limits.num_ports          = dev_lim->num_ports;
 174         mdev->limits.vl_cap             = dev_lim->max_vl;
 175         mdev->limits.mtu_cap            = dev_lim->max_mtu;
 176         mdev->limits.gid_table_len      = dev_lim->max_gids;
 177         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
 178         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
 179         mdev->limits.max_sg             = dev_lim->max_sg;
 180         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
 181         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
 182         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
 183         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
 184         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
 185         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
 186         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
 187         /*
 188          * Subtract 1 from the limit because we need to allocate a
 189          * spare CQE so the HCA HW can tell the difference between an
 190          * empty CQ and a full CQ.
 191          */
 192         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 193         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 194         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 195         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 196         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 197         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 198         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 199         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 200         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 201         mdev->limits.flags              = dev_lim->flags;
 202         /*
 203          * For old FW that doesn't return static rate support, use a
 204          * value of 0x3 (only static rate values of 0 or 1 are handled),
 205          * except on Sinai, where even old FW can handle static rate
 206          * values of 2 and 3.
 207          */
 208         if (dev_lim->stat_rate_support)
 209                 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
 210         else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
 211                 mdev->limits.stat_rate_support = 0xf;
 212         else
 213                 mdev->limits.stat_rate_support = 0x3;
 214
 215         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 216            May be doable since hardware supports it for SRQ.
 217
 218            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 219
 220            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 221            supported by driver. */
 222         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 223                 IB_DEVICE_PORT_ACTIVE_EVENT |
 224                 IB_DEVICE_SYS_IMAGE_GUID |
 225                 IB_DEVICE_RC_RNR_NAK_GEN;
 226
 227         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 228                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 229
 230         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 231                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 232
 233         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 234                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 235
 236         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 237                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 238
 239         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 240                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 241
 242         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 243                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 244
 245         return 0;
 246 }
 247
 248 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 249 {
 250         u8 status;
 251         int err;
 252         struct mthca_dev_lim        dev_lim;
 253         struct mthca_profile        profile;
 254         struct mthca_init_hca_param init_hca;
 255
 256         err = mthca_SYS_EN(mdev, &status);
 257         if (err) {
 258                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 259                 return err;
 260         }
 261         if (status) {
 262                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 263                           "aborting.\n", status);
 264                 return -EINVAL;
 265         }
 266
 267         err = mthca_QUERY_FW(mdev, &status);
 268         if (err) {
 269                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 270                 goto err_disable;
 271         }
 272         if (status) {
 273                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 274                           "aborting.\n", status);
 275                 err = -EINVAL;
 276                 goto err_disable;
 277         }
 278         err = mthca_QUERY_DDR(mdev, &status);
 279         if (err) {
 280                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 281                 goto err_disable;
 282         }
 283         if (status) {
 284                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 285                           "aborting.\n", status);
 286                 err = -EINVAL;
 287                 goto err_disable;
 288         }
 289
 290         err = mthca_dev_lim(mdev, &dev_lim);
 291         if (err) {
 292                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 293                 goto err_disable;
 294         }
 295
 296         profile = default_profile;
 297         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 298         profile.uarc_size = 0;
 299         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 300                 profile.num_srq = dev_lim.max_srqs;
 301
 302         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 303         if (err < 0)
 304                 goto err_disable;
 305
 306         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 307         if (err) {
 308                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 309                 goto err_disable;
 310         }
 311         if (status) {
 312                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 313                           "aborting.\n", status);
 314                 err = -EINVAL;
 315                 goto err_disable;
 316         }
 317
 318         return 0;
 319
 320 err_disable:
 321         mthca_SYS_DIS(mdev, &status);
 322
 323         return err;
 324 }
 325
 326 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 327 {
 328         u8 status;
 329         int err;
 330
 331         /* FIXME: use HCA-attached memory for FW if present */
 332
 333         mdev->fw.arbel.fw_icm =
 334                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 335                                 GFP_HIGHUSER | __GFP_NOWARN);
 336         if (!mdev->fw.arbel.fw_icm) {
 337                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 338                 return -ENOMEM;
 339         }
 340
 341         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 342         if (err) {
 343                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 344                 goto err_free;
 345         }
 346         if (status) {
 347                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 348                 err = -EINVAL;
 349                 goto err_free;
 350         }
 351         err = mthca_RUN_FW(mdev, &status);
 352         if (err) {
 353                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 354                 goto err_unmap_fa;
 355         }
 356         if (status) {
 357                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 358                 err = -EINVAL;
 359                 goto err_unmap_fa;
 360         }
 361
 362         return 0;
 363
 364 err_unmap_fa:
 365         mthca_UNMAP_FA(mdev, &status);
 366
 367 err_free:
 368         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 369         return err;
 370 }
 371
 372 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 373                                     struct mthca_dev_lim *dev_lim,
 374                                     struct mthca_init_hca_param *init_hca,
 375                                     u64 icm_size)
 376 {
 377         u64 aux_pages;
 378         u8 status;
 379         int err;
 380
 381         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 382         if (err) {
 383                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 384                 return err;
 385         }
 386         if (status) {
 387                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 388                           "aborting.\n", status);
 389                 return -EINVAL;
 390         }
 391
 392         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 393                   (unsigned long long) icm_size >> 10,
 394                   (unsigned long long) aux_pages << 2);
 395
 396         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 397                                                  GFP_HIGHUSER | __GFP_NOWARN);
 398         if (!mdev->fw.arbel.aux_icm) {
 399                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 400                 return -ENOMEM;
 401         }
 402
 403         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 404         if (err) {
 405                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 406                 goto err_free_aux;
 407         }
 408         if (status) {
 409                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 410                 err = -EINVAL;
 411                 goto err_free_aux;
 412         }
 413
 414         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 415         if (err) {
 416                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 417                 goto err_unmap_aux;
 418         }
 419
 420         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 421                                                          MTHCA_MTT_SEG_SIZE,
 422                                                          mdev->limits.num_mtt_segs,
 423                                                          mdev->limits.reserved_mtts, 1);
 424         if (!mdev->mr_table.mtt_table) {
 425                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 426                 err = -ENOMEM;
 427                 goto err_unmap_eq;
 428         }
 429
 430         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 431                                                          dev_lim->mpt_entry_sz,
 432                                                          mdev->limits.num_mpts,
 433                                                          mdev->limits.reserved_mrws, 1);
 434         if (!mdev->mr_table.mpt_table) {
 435                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 436                 err = -ENOMEM;
 437                 goto err_unmap_mtt;
 438         }
 439
 440         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 441                                                         dev_lim->qpc_entry_sz,
 442                                                         mdev->limits.num_qps,
 443                                                         mdev->limits.reserved_qps, 0);
 444         if (!mdev->qp_table.qp_table) {
 445                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 446                 err = -ENOMEM;
 447                 goto err_unmap_mpt;
 448         }
 449
 450         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 451                                                          dev_lim->eqpc_entry_sz,
 452                                                          mdev->limits.num_qps,
 453                                                          mdev->limits.reserved_qps, 0);
 454         if (!mdev->qp_table.eqp_table) {
 455                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 456                 err = -ENOMEM;
 457                 goto err_unmap_qp;
 458         }
 459
 460         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 461                                                          MTHCA_RDB_ENTRY_SIZE,
 462                                                          mdev->limits.num_qps <<
 463                                                          mdev->qp_table.rdb_shift,
 464                                                          0, 0);
 465         if (!mdev->qp_table.rdb_table) {
 466                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 467                 err = -ENOMEM;
 468                 goto err_unmap_eqp;
 469         }
 470
 471        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 472                                                     dev_lim->cqc_entry_sz,
 473                                                     mdev->limits.num_cqs,
 474                                                     mdev->limits.reserved_cqs, 0);
 475         if (!mdev->cq_table.table) {
 476                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 477                 err = -ENOMEM;
 478                 goto err_unmap_rdb;
 479         }
 480
 481         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 482                 mdev->srq_table.table =
 483                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 484                                               dev_lim->srq_entry_sz,
 485                                               mdev->limits.num_srqs,
 486                                               mdev->limits.reserved_srqs, 0);
 487                 if (!mdev->srq_table.table) {
 488                         mthca_err(mdev, "Failed to map SRQ context memory, "
 489                                   "aborting.\n");
 490                         err = -ENOMEM;
 491                         goto err_unmap_cq;
 492                 }
 493         }
 494
 495         /*
 496          * It's not strictly required, but for simplicity just map the
 497          * whole multicast group table now.  The table isn't very big
 498          * and it's a lot easier than trying to track ref counts.
 499          */
 500         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 501                                                       MTHCA_MGM_ENTRY_SIZE,
 502                                                       mdev->limits.num_mgms +
 503                                                       mdev->limits.num_amgms,
 504                                                       mdev->limits.num_mgms +
 505                                                       mdev->limits.num_amgms,
 506                                                       0);
 507         if (!mdev->mcg_table.table) {
 508                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 509                 err = -ENOMEM;
 510                 goto err_unmap_srq;
 511         }
 512
 513         return 0;
 514
 515 err_unmap_srq:
 516         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 517                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 518
 519 err_unmap_cq:
 520         mthca_free_icm_table(mdev, mdev->cq_table.table);
 521
 522 err_unmap_rdb:
 523         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 524
 525 err_unmap_eqp:
 526         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 527
 528 err_unmap_qp:
 529         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 530
 531 err_unmap_mpt:
 532         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 533
 534 err_unmap_mtt:
 535         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 536
 537 err_unmap_eq:
 538         mthca_unmap_eq_icm(mdev);
 539
 540 err_unmap_aux:
 541         mthca_UNMAP_ICM_AUX(mdev, &status);
 542
 543 err_free_aux:
 544         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 545
 546         return err;
 547 }
 548
 549 static void mthca_free_icms(struct mthca_dev *mdev)
 550 {
 551         u8 status;
 552
 553         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 554         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 555                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 556         mthca_free_icm_table(mdev, mdev->cq_table.table);
 557         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 558         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 559         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 560         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 561         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 562         mthca_unmap_eq_icm(mdev);
 563
 564         mthca_UNMAP_ICM_AUX(mdev, &status);
 565         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 566 }
 567
 568 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 569 {
 570         struct mthca_dev_lim        dev_lim;
 571         struct mthca_profile        profile;
 572         struct mthca_init_hca_param init_hca;
 573         u64 icm_size;
 574         u8 status;
 575         int err;
 576
 577         err = mthca_QUERY_FW(mdev, &status);
 578         if (err) {
 579                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 580                 return err;
 581         }
 582         if (status) {
 583                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 584                           "aborting.\n", status);
 585                 return -EINVAL;
 586         }
 587
 588         err = mthca_ENABLE_LAM(mdev, &status);
 589         if (err) {
 590                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 591                 return err;
 592         }
 593         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 594                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 595                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 596         } else if (status) {
 597                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 598                           "aborting.\n", status);
 599                 return -EINVAL;
 600         }
 601
 602         err = mthca_load_fw(mdev);
 603         if (err) {
 604                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 605                 goto err_disable;
 606         }
 607
 608         err = mthca_dev_lim(mdev, &dev_lim);
 609         if (err) {
 610                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 611                 goto err_stop_fw;
 612         }
 613
 614         profile = default_profile;
 615         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 616         profile.num_udav = 0;
 617         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 618                 profile.num_srq = dev_lim.max_srqs;
 619
 620         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 621         if ((int) icm_size < 0) {
 622                 err = icm_size;
 623                 goto err_stop_fw;
 624         }
 625
 626         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 627         if (err)
 628                 goto err_stop_fw;
 629
 630         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 631         if (err) {
 632                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 633                 goto err_free_icm;
 634         }
 635         if (status) {
 636                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 637                           "aborting.\n", status);
 638                 err = -EINVAL;
 639                 goto err_free_icm;
 640         }
 641
 642         return 0;
 643
 644 err_free_icm:
 645         mthca_free_icms(mdev);
 646
 647 err_stop_fw:
 648         mthca_UNMAP_FA(mdev, &status);
 649         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 650
 651 err_disable:
 652         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 653                 mthca_DISABLE_LAM(mdev, &status);
 654
 655         return err;
 656 }
 657
 658 static void mthca_close_hca(struct mthca_dev *mdev)
 659 {
 660         u8 status;
 661
 662         mthca_CLOSE_HCA(mdev, 0, &status);
 663
 664         if (mthca_is_memfree(mdev)) {
 665                 mthca_free_icms(mdev);
 666
 667                 mthca_UNMAP_FA(mdev, &status);
 668                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 669
 670                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 671                         mthca_DISABLE_LAM(mdev, &status);
 672         } else
 673                 mthca_SYS_DIS(mdev, &status);
 674 }
 675
 676 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 677 {
 678         u8 status;
 679         int err;
 680         struct mthca_adapter adapter;
 681
 682         if (mthca_is_memfree(mdev))
 683                 err = mthca_init_arbel(mdev);
 684         else
 685                 err = mthca_init_tavor(mdev);
 686
 687         if (err)
 688                 return err;
 689
 690         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 691         if (err) {
 692                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 693                 goto err_close;
 694         }
 695         if (status) {
 696                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 697                           "aborting.\n", status);
 698                 err = -EINVAL;
 699                 goto err_close;
 700         }
 701
 702         mdev->eq_table.inta_pin = adapter.inta_pin;
 703         mdev->rev_id            = adapter.revision_id;
 704         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 705
 706         return 0;
 707
 708 err_close:
 709         mthca_close_hca(mdev);
 710         return err;
 711 }
 712
 713 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 714 {
 715         int err;
 716         u8 status;
 717
 718         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 719
 720         err = mthca_init_uar_table(dev);
 721         if (err) {
 722                 mthca_err(dev, "Failed to initialize "
 723                           "user access region table, aborting.\n");
 724                 return err;
 725         }
 726
 727         err = mthca_uar_alloc(dev, &dev->driver_uar);
 728         if (err) {
 729                 mthca_err(dev, "Failed to allocate driver access region, "
 730                           "aborting.\n");
 731                 goto err_uar_table_free;
 732         }
 733
 734         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 735         if (!dev->kar) {
 736                 mthca_err(dev, "Couldn't map kernel access region, "
 737                           "aborting.\n");
 738                 err = -ENOMEM;
 739                 goto err_uar_free;
 740         }
 741
 742         err = mthca_init_pd_table(dev);
 743         if (err) {
 744                 mthca_err(dev, "Failed to initialize "
 745                           "protection domain table, aborting.\n");
 746                 goto err_kar_unmap;
 747         }
 748
 749         err = mthca_init_mr_table(dev);
 750         if (err) {
 751                 mthca_err(dev, "Failed to initialize "
 752                           "memory region table, aborting.\n");
 753                 goto err_pd_table_free;
 754         }
 755
 756         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 757         if (err) {
 758                 mthca_err(dev, "Failed to create driver PD, "
 759                           "aborting.\n");
 760                 goto err_mr_table_free;
 761         }
 762
 763         err = mthca_init_eq_table(dev);
 764         if (err) {
 765                 mthca_err(dev, "Failed to initialize "
 766                           "event queue table, aborting.\n");
 767                 goto err_pd_free;
 768         }
 769
 770         err = mthca_cmd_use_events(dev);
 771         if (err) {
 772                 mthca_err(dev, "Failed to switch to event-driven "
 773                           "firmware commands, aborting.\n");
 774                 goto err_eq_table_free;
 775         }
 776
 777         err = mthca_NOP(dev, &status);
 778         if (err || status) {
 779                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 780                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 781                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 782                           dev->pdev->irq);
 783                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 784                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 785                 else
 786                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 787
 788                 goto err_cmd_poll;
 789         }
 790
 791         mthca_dbg(dev, "NOP command IRQ test passed\n");
 792
 793         err = mthca_init_cq_table(dev);
 794         if (err) {
 795                 mthca_err(dev, "Failed to initialize "
 796                           "completion queue table, aborting.\n");
 797                 goto err_cmd_poll;
 798         }
 799
 800         err = mthca_init_srq_table(dev);
 801         if (err) {
 802                 mthca_err(dev, "Failed to initialize "
 803                           "shared receive queue table, aborting.\n");
 804                 goto err_cq_table_free;
 805         }
 806
 807         err = mthca_init_qp_table(dev);
 808         if (err) {
 809                 mthca_err(dev, "Failed to initialize "
 810                           "queue pair table, aborting.\n");
 811                 goto err_srq_table_free;
 812         }
 813
 814         err = mthca_init_av_table(dev);
 815         if (err) {
 816                 mthca_err(dev, "Failed to initialize "
 817                           "address vector table, aborting.\n");
 818                 goto err_qp_table_free;
 819         }
 820
 821         err = mthca_init_mcg_table(dev);
 822         if (err) {
 823                 mthca_err(dev, "Failed to initialize "
 824                           "multicast group table, aborting.\n");
 825                 goto err_av_table_free;
 826         }
 827
 828         return 0;
 829
 830 err_av_table_free:
 831         mthca_cleanup_av_table(dev);
 832
 833 err_qp_table_free:
 834         mthca_cleanup_qp_table(dev);
 835
 836 err_srq_table_free:
 837         mthca_cleanup_srq_table(dev);
 838
 839 err_cq_table_free:
 840         mthca_cleanup_cq_table(dev);
 841
 842 err_cmd_poll:
 843         mthca_cmd_use_polling(dev);
 844
 845 err_eq_table_free:
 846         mthca_cleanup_eq_table(dev);
 847
 848 err_pd_free:
 849         mthca_pd_free(dev, &dev->driver_pd);
 850
 851 err_mr_table_free:
 852         mthca_cleanup_mr_table(dev);
 853
 854 err_pd_table_free:
 855         mthca_cleanup_pd_table(dev);
 856
 857 err_kar_unmap:
 858         iounmap(dev->kar);
 859
 860 err_uar_free:
 861         mthca_uar_free(dev, &dev->driver_uar);
 862
 863 err_uar_table_free:
 864         mthca_cleanup_uar_table(dev);
 865         return err;
 866 }
 867
 868 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 869                                            int ddr_hidden)
 870 {
 871         int err;
 872
 873         /*
 874          * We can't just use pci_request_regions() because the MSI-X
 875          * table is right in the middle of the first BAR.  If we did
 876          * pci_request_region and grab all of the first BAR, then
 877          * setting up MSI-X would fail, since the PCI core wants to do
 878          * request_mem_region on the MSI-X vector table.
 879          *
 880          * So just request what we need right now, and request any
 881          * other regions we need when setting up EQs.
 882          */
 883         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 884                                 MTHCA_HCR_SIZE, DRV_NAME))
 885                 return -EBUSY;
 886
 887         err = pci_request_region(pdev, 2, DRV_NAME);
 888         if (err)
 889                 goto err_bar2_failed;
 890
 891         if (!ddr_hidden) {
 892                 err = pci_request_region(pdev, 4, DRV_NAME);
 893                 if (err)
 894                         goto err_bar4_failed;
 895         }
 896
 897         return 0;
 898
 899 err_bar4_failed:
 900         pci_release_region(pdev, 2);
 901
 902 err_bar2_failed:
 903         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 904                            MTHCA_HCR_SIZE);
 905
 906         return err;
 907 }
 908
 909 static void mthca_release_regions(struct pci_dev *pdev,
 910                                   int ddr_hidden)
 911 {
 912         if (!ddr_hidden)
 913                 pci_release_region(pdev, 4);
 914
 915         pci_release_region(pdev, 2);
 916
 917         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 918                            MTHCA_HCR_SIZE);
 919 }
 920
 921 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 922 {
 923         struct msix_entry entries[3];
 924         int err;
 925
 926         entries[0].entry = 0;
 927         entries[1].entry = 1;
 928         entries[2].entry = 2;
 929
 930         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 931         if (err) {
 932                 if (err > 0)
 933                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 934                                    "not using MSI-X\n", err);
 935                 return err;
 936         }
 937
 938         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 939         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 940         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 941
 942         return 0;
 943 }
 944
 945 /* Types of supported HCA */
 946 enum {
 947         TAVOR,                  /* MT23108                        */
 948         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 949         ARBEL_NATIVE,           /* MT25208 with extended features */
 950         SINAI                   /* MT25204 */
 951 };
 952
 953 #define MTHCA_FW_VER(major, minor, subminor) \
 954         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 955
 956 static struct {
 957         u64 latest_fw;
 958         u32 flags;
 959 } mthca_hca_table[] = {
 960         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
 961                            .flags     = 0 },
 962         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 400),
 963                            .flags     = MTHCA_FLAG_PCIE },
 964         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0),
 965                            .flags     = MTHCA_FLAG_MEMFREE |
 966                                         MTHCA_FLAG_PCIE },
 967         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 0, 800),
 968                            .flags     = MTHCA_FLAG_MEMFREE |
 969                                         MTHCA_FLAG_PCIE    |
 970                                         MTHCA_FLAG_SINAI_OPT }
 971 };
 972
 973 static int __devinit mthca_init_one(struct pci_dev *pdev,
 974                                     const struct pci_device_id *id)
 975 {
 976         static int mthca_version_printed = 0;
 977         int ddr_hidden = 0;
 978         int err;
 979         struct mthca_dev *mdev;
 980
 981         if (!mthca_version_printed) {
 982                 printk(KERN_INFO "%s", mthca_version);
 983                 ++mthca_version_printed;
 984         }
 985
 986         printk(KERN_INFO PFX "Initializing %s\n",
 987                pci_name(pdev));
 988
 989         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 990                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 991                        pci_name(pdev), id->driver_data);
 992                 return -ENODEV;
 993         }
 994
 995         err = pci_enable_device(pdev);
 996         if (err) {
 997                 dev_err(&pdev->dev, "Cannot enable PCI device, "
 998                         "aborting.\n");
 999                 return err;
1000         }
1001
1002         /*
1003          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
1004          * be present)
1005          */
1006         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1007             pci_resource_len(pdev, 0) != 1 << 20) {
1008                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1009                 err = -ENODEV;
1010                 goto err_disable_pdev;
1011         }
1012         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1013                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1014                 err = -ENODEV;
1015                 goto err_disable_pdev;
1016         }
1017         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1018                 ddr_hidden = 1;
1019
1020         err = mthca_request_regions(pdev, ddr_hidden);
1021         if (err) {
1022                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1023                         "aborting.\n");
1024                 goto err_disable_pdev;
1025         }
1026
1027         pci_set_master(pdev);
1028
1029         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1030         if (err) {
1031                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1032                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1033                 if (err) {
1034                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1035                         goto err_free_res;
1036                 }
1037         }
1038         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1039         if (err) {
1040                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1041                          "consistent PCI DMA mask.\n");
1042                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1043                 if (err) {
1044                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1045                                 "aborting.\n");
1046                         goto err_free_res;
1047                 }
1048         }
1049
1050         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1051         if (!mdev) {
1052                 dev_err(&pdev->dev, "Device struct alloc failed, "
1053                         "aborting.\n");
1054                 err = -ENOMEM;
1055                 goto err_free_res;
1056         }
1057
1058         mdev->pdev = pdev;
1059
1060         mdev->mthca_flags = mthca_hca_table[id->driver_data].flags;
1061         if (ddr_hidden)
1062                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1063
1064         /*
1065          * Now reset the HCA before we touch the PCI capabilities or
1066          * attempt a firmware command, since a boot ROM may have left
1067          * the HCA in an undefined state.
1068          */
1069         err = mthca_reset(mdev);
1070         if (err) {
1071                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1072                 goto err_free_dev;
1073         }
1074
1075         if (msi_x && !mthca_enable_msi_x(mdev))
1076                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1077         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1078             !pci_enable_msi(pdev))
1079                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1080
1081         if (mthca_cmd_init(mdev)) {
1082                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1083                 goto err_free_dev;
1084         }
1085
1086         err = mthca_tune_pci(mdev);
1087         if (err)
1088                 goto err_cmd;
1089
1090         err = mthca_init_hca(mdev);
1091         if (err)
1092                 goto err_cmd;
1093
1094         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1095                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1096                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1097                            (int) (mdev->fw_ver & 0xffff),
1098                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1099                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1100                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1101                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1102         }
1103
1104         err = mthca_setup_hca(mdev);
1105         if (err)
1106                 goto err_close;
1107
1108         err = mthca_register_device(mdev);
1109         if (err)
1110                 goto err_cleanup;
1111
1112         err = mthca_create_agents(mdev);
1113         if (err)
1114                 goto err_unregister;
1115
1116         pci_set_drvdata(pdev, mdev);
1117
1118         return 0;
1119
1120 err_unregister:
1121         mthca_unregister_device(mdev);
1122
1123 err_cleanup:
1124         mthca_cleanup_mcg_table(mdev);
1125         mthca_cleanup_av_table(mdev);
1126         mthca_cleanup_qp_table(mdev);
1127         mthca_cleanup_srq_table(mdev);
1128         mthca_cleanup_cq_table(mdev);
1129         mthca_cmd_use_polling(mdev);
1130         mthca_cleanup_eq_table(mdev);
1131
1132         mthca_pd_free(mdev, &mdev->driver_pd);
1133
1134         mthca_cleanup_mr_table(mdev);
1135         mthca_cleanup_pd_table(mdev);
1136         mthca_cleanup_uar_table(mdev);
1137
1138 err_close:
1139         mthca_close_hca(mdev);
1140
1141 err_cmd:
1142         mthca_cmd_cleanup(mdev);
1143
1144 err_free_dev:
1145         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1146                 pci_disable_msix(pdev);
1147         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1148                 pci_disable_msi(pdev);
1149
1150         ib_dealloc_device(&mdev->ib_dev);
1151
1152 err_free_res:
1153         mthca_release_regions(pdev, ddr_hidden);
1154
1155 err_disable_pdev:
1156         pci_disable_device(pdev);
1157         pci_set_drvdata(pdev, NULL);
1158         return err;
1159 }
1160
1161 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1162 {
1163         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1164         u8 status;
1165         int p;
1166
1167         if (mdev) {
1168                 mthca_free_agents(mdev);
1169                 mthca_unregister_device(mdev);
1170
1171                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1172                         mthca_CLOSE_IB(mdev, p, &status);
1173
1174                 mthca_cleanup_mcg_table(mdev);
1175                 mthca_cleanup_av_table(mdev);
1176                 mthca_cleanup_qp_table(mdev);
1177                 mthca_cleanup_srq_table(mdev);
1178                 mthca_cleanup_cq_table(mdev);
1179                 mthca_cmd_use_polling(mdev);
1180                 mthca_cleanup_eq_table(mdev);
1181
1182                 mthca_pd_free(mdev, &mdev->driver_pd);
1183
1184                 mthca_cleanup_mr_table(mdev);
1185                 mthca_cleanup_pd_table(mdev);
1186
1187                 iounmap(mdev->kar);
1188                 mthca_uar_free(mdev, &mdev->driver_uar);
1189                 mthca_cleanup_uar_table(mdev);
1190                 mthca_close_hca(mdev);
1191                 mthca_cmd_cleanup(mdev);
1192
1193                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1194                         pci_disable_msix(pdev);
1195                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1196                         pci_disable_msi(pdev);
1197
1198                 ib_dealloc_device(&mdev->ib_dev);
1199                 mthca_release_regions(pdev, mdev->mthca_flags &
1200                                       MTHCA_FLAG_DDR_HIDDEN);
1201                 pci_disable_device(pdev);
1202                 pci_set_drvdata(pdev, NULL);
1203         }
1204 }
1205
1206 static struct pci_device_id mthca_pci_table[] = {
1207         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1208           .driver_data = TAVOR },
1209         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1210           .driver_data = TAVOR },
1211         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1212           .driver_data = ARBEL_COMPAT },
1213         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1214           .driver_data = ARBEL_COMPAT },
1215         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1216           .driver_data = ARBEL_NATIVE },
1217         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1218           .driver_data = ARBEL_NATIVE },
1219         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1220           .driver_data = SINAI },
1221         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1222           .driver_data = SINAI },
1223         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1224           .driver_data = SINAI },
1225         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1226           .driver_data = SINAI },
1227         { 0, }
1228 };
1229
1230 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1231
1232 static struct pci_driver mthca_driver = {
1233         .name           = DRV_NAME,
1234         .id_table       = mthca_pci_table,
1235         .probe          = mthca_init_one,
1236         .remove         = __devexit_p(mthca_remove_one)
1237 };
1238
1239 static int __init mthca_init(void)
1240 {
1241         int ret;
1242
1243         ret = pci_register_driver(&mthca_driver);
1244         return ret < 0 ? ret : 0;
1245 }
1246
1247 static void __exit mthca_cleanup(void)
1248 {
1249         pci_unregister_driver(&mthca_driver);
1250 }
1251
1252 module_init(mthca_init);
1253 module_exit(mthca_cleanup);