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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 int tune_pci = 0;
  81 module_param(tune_pci, int, 0444);
  82 MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
  83
  84 static const char mthca_version[] __devinitdata =
  85         DRV_NAME ": Mellanox InfiniBand HCA driver v"
  86         DRV_VERSION " (" DRV_RELDATE ")\n";
  87
  88 static struct mthca_profile default_profile = {
  89         .num_qp            = 1 << 16,
  90         .rdb_per_qp        = 4,
  91         .num_cq            = 1 << 16,
  92         .num_mcg           = 1 << 13,
  93         .num_mpt           = 1 << 17,
  94         .num_mtt           = 1 << 20,
  95         .num_udav          = 1 << 15,   /* Tavor only */
  96         .fmr_reserved_mtts = 1 << 18,   /* Tavor only */
  97         .uarc_size         = 1 << 18,   /* Arbel only */
  98 };
  99
 100 static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
 101 {
 102         int cap;
 103         u16 val;
 104
 105         if (!tune_pci)
 106                 return 0;
 107
 108         /* First try to max out Read Byte Count */
 109         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
 110         if (cap) {
 111                 if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
 112                         mthca_err(mdev, "Couldn't read PCI-X command register, "
 113                                   "aborting.\n");
 114                         return -ENODEV;
 115                 }
 116                 val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
 117                 if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
 118                         mthca_err(mdev, "Couldn't write PCI-X command register, "
 119                                   "aborting.\n");
 120                         return -ENODEV;
 121                 }
 122         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 123                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 124
 125         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
 126         if (cap) {
 127                 if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
 128                         mthca_err(mdev, "Couldn't read PCI Express device control "
 129                                   "register, aborting.\n");
 130                         return -ENODEV;
 131                 }
 132                 val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
 133                 if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
 134                         mthca_err(mdev, "Couldn't write PCI Express device control "
 135                                   "register, aborting.\n");
 136                         return -ENODEV;
 137                 }
 138         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 139                 mthca_info(mdev, "No PCI Express capability, "
 140                            "not setting Max Read Request Size.\n");
 141
 142         return 0;
 143 }
 144
 145 static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 146 {
 147         int err;
 148         u8 status;
 149
 150         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 151         if (err) {
 152                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 153                 return err;
 154         }
 155         if (status) {
 156                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 157                           "aborting.\n", status);
 158                 return -EINVAL;
 159         }
 160         if (dev_lim->min_page_sz > PAGE_SIZE) {
 161                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 162                           "kernel PAGE_SIZE of %ld, aborting.\n",
 163                           dev_lim->min_page_sz, PAGE_SIZE);
 164                 return -ENODEV;
 165         }
 166         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 167                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 168                           "aborting.\n",
 169                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 170                 return -ENODEV;
 171         }
 172
 173         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
 174                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
 175                           "PCI resource 2 size of 0x%lx, aborting.\n",
 176                           dev_lim->uar_size, pci_resource_len(mdev->pdev, 2));
 177                 return -ENODEV;
 178         }
 179
 180         mdev->limits.num_ports          = dev_lim->num_ports;
 181         mdev->limits.vl_cap             = dev_lim->max_vl;
 182         mdev->limits.mtu_cap            = dev_lim->max_mtu;
 183         mdev->limits.gid_table_len      = dev_lim->max_gids;
 184         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
 185         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
 186         mdev->limits.max_sg             = dev_lim->max_sg;
 187         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
 188         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
 189         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
 190         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
 191         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
 192         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
 193         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
 194         /*
 195          * Subtract 1 from the limit because we need to allocate a
 196          * spare CQE so the HCA HW can tell the difference between an
 197          * empty CQ and a full CQ.
 198          */
 199         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 200         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 201         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 202         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 203         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 204         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 205         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 206         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 207         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 208         mdev->limits.flags              = dev_lim->flags;
 209         /*
 210          * For old FW that doesn't return static rate support, use a
 211          * value of 0x3 (only static rate values of 0 or 1 are handled),
 212          * except on Sinai, where even old FW can handle static rate
 213          * values of 2 and 3.
 214          */
 215         if (dev_lim->stat_rate_support)
 216                 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
 217         else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
 218                 mdev->limits.stat_rate_support = 0xf;
 219         else
 220                 mdev->limits.stat_rate_support = 0x3;
 221
 222         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 223            May be doable since hardware supports it for SRQ.
 224
 225            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 226
 227            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 228            supported by driver. */
 229         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 230                 IB_DEVICE_PORT_ACTIVE_EVENT |
 231                 IB_DEVICE_SYS_IMAGE_GUID |
 232                 IB_DEVICE_RC_RNR_NAK_GEN;
 233
 234         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 235                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 236
 237         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 238                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 239
 240         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 241                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 242
 243         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 244                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 245
 246         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 247                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 248
 249         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 250                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 251
 252         return 0;
 253 }
 254
 255 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 256 {
 257         u8 status;
 258         int err;
 259         struct mthca_dev_lim        dev_lim;
 260         struct mthca_profile        profile;
 261         struct mthca_init_hca_param init_hca;
 262
 263         err = mthca_SYS_EN(mdev, &status);
 264         if (err) {
 265                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 266                 return err;
 267         }
 268         if (status) {
 269                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 270                           "aborting.\n", status);
 271                 return -EINVAL;
 272         }
 273
 274         err = mthca_QUERY_FW(mdev, &status);
 275         if (err) {
 276                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 277                 goto err_disable;
 278         }
 279         if (status) {
 280                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 281                           "aborting.\n", status);
 282                 err = -EINVAL;
 283                 goto err_disable;
 284         }
 285         err = mthca_QUERY_DDR(mdev, &status);
 286         if (err) {
 287                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 288                 goto err_disable;
 289         }
 290         if (status) {
 291                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 292                           "aborting.\n", status);
 293                 err = -EINVAL;
 294                 goto err_disable;
 295         }
 296
 297         err = mthca_dev_lim(mdev, &dev_lim);
 298         if (err) {
 299                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 300                 goto err_disable;
 301         }
 302
 303         profile = default_profile;
 304         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 305         profile.uarc_size = 0;
 306         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 307                 profile.num_srq = dev_lim.max_srqs;
 308
 309         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 310         if (err < 0)
 311                 goto err_disable;
 312
 313         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 314         if (err) {
 315                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 316                 goto err_disable;
 317         }
 318         if (status) {
 319                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 320                           "aborting.\n", status);
 321                 err = -EINVAL;
 322                 goto err_disable;
 323         }
 324
 325         return 0;
 326
 327 err_disable:
 328         mthca_SYS_DIS(mdev, &status);
 329
 330         return err;
 331 }
 332
 333 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 334 {
 335         u8 status;
 336         int err;
 337
 338         /* FIXME: use HCA-attached memory for FW if present */
 339
 340         mdev->fw.arbel.fw_icm =
 341                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 342                                 GFP_HIGHUSER | __GFP_NOWARN);
 343         if (!mdev->fw.arbel.fw_icm) {
 344                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 345                 return -ENOMEM;
 346         }
 347
 348         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 349         if (err) {
 350                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 351                 goto err_free;
 352         }
 353         if (status) {
 354                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 355                 err = -EINVAL;
 356                 goto err_free;
 357         }
 358         err = mthca_RUN_FW(mdev, &status);
 359         if (err) {
 360                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 361                 goto err_unmap_fa;
 362         }
 363         if (status) {
 364                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 365                 err = -EINVAL;
 366                 goto err_unmap_fa;
 367         }
 368
 369         return 0;
 370
 371 err_unmap_fa:
 372         mthca_UNMAP_FA(mdev, &status);
 373
 374 err_free:
 375         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 376         return err;
 377 }
 378
 379 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 380                                     struct mthca_dev_lim *dev_lim,
 381                                     struct mthca_init_hca_param *init_hca,
 382                                     u64 icm_size)
 383 {
 384         u64 aux_pages;
 385         u8 status;
 386         int err;
 387
 388         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 389         if (err) {
 390                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 391                 return err;
 392         }
 393         if (status) {
 394                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 395                           "aborting.\n", status);
 396                 return -EINVAL;
 397         }
 398
 399         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 400                   (unsigned long long) icm_size >> 10,
 401                   (unsigned long long) aux_pages << 2);
 402
 403         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 404                                                  GFP_HIGHUSER | __GFP_NOWARN);
 405         if (!mdev->fw.arbel.aux_icm) {
 406                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 407                 return -ENOMEM;
 408         }
 409
 410         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 411         if (err) {
 412                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 413                 goto err_free_aux;
 414         }
 415         if (status) {
 416                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 417                 err = -EINVAL;
 418                 goto err_free_aux;
 419         }
 420
 421         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 422         if (err) {
 423                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 424                 goto err_unmap_aux;
 425         }
 426
 427         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 428                                                          MTHCA_MTT_SEG_SIZE,
 429                                                          mdev->limits.num_mtt_segs,
 430                                                          mdev->limits.reserved_mtts, 1);
 431         if (!mdev->mr_table.mtt_table) {
 432                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 433                 err = -ENOMEM;
 434                 goto err_unmap_eq;
 435         }
 436
 437         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 438                                                          dev_lim->mpt_entry_sz,
 439                                                          mdev->limits.num_mpts,
 440                                                          mdev->limits.reserved_mrws, 1);
 441         if (!mdev->mr_table.mpt_table) {
 442                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 443                 err = -ENOMEM;
 444                 goto err_unmap_mtt;
 445         }
 446
 447         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 448                                                         dev_lim->qpc_entry_sz,
 449                                                         mdev->limits.num_qps,
 450                                                         mdev->limits.reserved_qps, 0);
 451         if (!mdev->qp_table.qp_table) {
 452                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 453                 err = -ENOMEM;
 454                 goto err_unmap_mpt;
 455         }
 456
 457         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 458                                                          dev_lim->eqpc_entry_sz,
 459                                                          mdev->limits.num_qps,
 460                                                          mdev->limits.reserved_qps, 0);
 461         if (!mdev->qp_table.eqp_table) {
 462                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 463                 err = -ENOMEM;
 464                 goto err_unmap_qp;
 465         }
 466
 467         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 468                                                          MTHCA_RDB_ENTRY_SIZE,
 469                                                          mdev->limits.num_qps <<
 470                                                          mdev->qp_table.rdb_shift,
 471                                                          0, 0);
 472         if (!mdev->qp_table.rdb_table) {
 473                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 474                 err = -ENOMEM;
 475                 goto err_unmap_eqp;
 476         }
 477
 478        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 479                                                     dev_lim->cqc_entry_sz,
 480                                                     mdev->limits.num_cqs,
 481                                                     mdev->limits.reserved_cqs, 0);
 482         if (!mdev->cq_table.table) {
 483                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 484                 err = -ENOMEM;
 485                 goto err_unmap_rdb;
 486         }
 487
 488         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 489                 mdev->srq_table.table =
 490                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 491                                               dev_lim->srq_entry_sz,
 492                                               mdev->limits.num_srqs,
 493                                               mdev->limits.reserved_srqs, 0);
 494                 if (!mdev->srq_table.table) {
 495                         mthca_err(mdev, "Failed to map SRQ context memory, "
 496                                   "aborting.\n");
 497                         err = -ENOMEM;
 498                         goto err_unmap_cq;
 499                 }
 500         }
 501
 502         /*
 503          * It's not strictly required, but for simplicity just map the
 504          * whole multicast group table now.  The table isn't very big
 505          * and it's a lot easier than trying to track ref counts.
 506          */
 507         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 508                                                       MTHCA_MGM_ENTRY_SIZE,
 509                                                       mdev->limits.num_mgms +
 510                                                       mdev->limits.num_amgms,
 511                                                       mdev->limits.num_mgms +
 512                                                       mdev->limits.num_amgms,
 513                                                       0);
 514         if (!mdev->mcg_table.table) {
 515                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 516                 err = -ENOMEM;
 517                 goto err_unmap_srq;
 518         }
 519
 520         return 0;
 521
 522 err_unmap_srq:
 523         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 524                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 525
 526 err_unmap_cq:
 527         mthca_free_icm_table(mdev, mdev->cq_table.table);
 528
 529 err_unmap_rdb:
 530         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 531
 532 err_unmap_eqp:
 533         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 534
 535 err_unmap_qp:
 536         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 537
 538 err_unmap_mpt:
 539         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 540
 541 err_unmap_mtt:
 542         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 543
 544 err_unmap_eq:
 545         mthca_unmap_eq_icm(mdev);
 546
 547 err_unmap_aux:
 548         mthca_UNMAP_ICM_AUX(mdev, &status);
 549
 550 err_free_aux:
 551         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 552
 553         return err;
 554 }
 555
 556 static void mthca_free_icms(struct mthca_dev *mdev)
 557 {
 558         u8 status;
 559
 560         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 561         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 562                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 563         mthca_free_icm_table(mdev, mdev->cq_table.table);
 564         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 565         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 566         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 567         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 568         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 569         mthca_unmap_eq_icm(mdev);
 570
 571         mthca_UNMAP_ICM_AUX(mdev, &status);
 572         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 573 }
 574
 575 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 576 {
 577         struct mthca_dev_lim        dev_lim;
 578         struct mthca_profile        profile;
 579         struct mthca_init_hca_param init_hca;
 580         u64 icm_size;
 581         u8 status;
 582         int err;
 583
 584         err = mthca_QUERY_FW(mdev, &status);
 585         if (err) {
 586                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 587                 return err;
 588         }
 589         if (status) {
 590                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 591                           "aborting.\n", status);
 592                 return -EINVAL;
 593         }
 594
 595         err = mthca_ENABLE_LAM(mdev, &status);
 596         if (err) {
 597                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 598                 return err;
 599         }
 600         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 601                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 602                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 603         } else if (status) {
 604                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 605                           "aborting.\n", status);
 606                 return -EINVAL;
 607         }
 608
 609         err = mthca_load_fw(mdev);
 610         if (err) {
 611                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 612                 goto err_disable;
 613         }
 614
 615         err = mthca_dev_lim(mdev, &dev_lim);
 616         if (err) {
 617                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 618                 goto err_stop_fw;
 619         }
 620
 621         profile = default_profile;
 622         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 623         profile.num_udav = 0;
 624         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 625                 profile.num_srq = dev_lim.max_srqs;
 626
 627         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 628         if ((int) icm_size < 0) {
 629                 err = icm_size;
 630                 goto err_stop_fw;
 631         }
 632
 633         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 634         if (err)
 635                 goto err_stop_fw;
 636
 637         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 638         if (err) {
 639                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 640                 goto err_free_icm;
 641         }
 642         if (status) {
 643                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 644                           "aborting.\n", status);
 645                 err = -EINVAL;
 646                 goto err_free_icm;
 647         }
 648
 649         return 0;
 650
 651 err_free_icm:
 652         mthca_free_icms(mdev);
 653
 654 err_stop_fw:
 655         mthca_UNMAP_FA(mdev, &status);
 656         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 657
 658 err_disable:
 659         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 660                 mthca_DISABLE_LAM(mdev, &status);
 661
 662         return err;
 663 }
 664
 665 static void mthca_close_hca(struct mthca_dev *mdev)
 666 {
 667         u8 status;
 668
 669         mthca_CLOSE_HCA(mdev, 0, &status);
 670
 671         if (mthca_is_memfree(mdev)) {
 672                 mthca_free_icms(mdev);
 673
 674                 mthca_UNMAP_FA(mdev, &status);
 675                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 676
 677                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 678                         mthca_DISABLE_LAM(mdev, &status);
 679         } else
 680                 mthca_SYS_DIS(mdev, &status);
 681 }
 682
 683 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 684 {
 685         u8 status;
 686         int err;
 687         struct mthca_adapter adapter;
 688
 689         if (mthca_is_memfree(mdev))
 690                 err = mthca_init_arbel(mdev);
 691         else
 692                 err = mthca_init_tavor(mdev);
 693
 694         if (err)
 695                 return err;
 696
 697         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 698         if (err) {
 699                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 700                 goto err_close;
 701         }
 702         if (status) {
 703                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 704                           "aborting.\n", status);
 705                 err = -EINVAL;
 706                 goto err_close;
 707         }
 708
 709         mdev->eq_table.inta_pin = adapter.inta_pin;
 710         mdev->rev_id            = adapter.revision_id;
 711         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 712
 713         return 0;
 714
 715 err_close:
 716         mthca_close_hca(mdev);
 717         return err;
 718 }
 719
 720 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 721 {
 722         int err;
 723         u8 status;
 724
 725         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 726
 727         err = mthca_init_uar_table(dev);
 728         if (err) {
 729                 mthca_err(dev, "Failed to initialize "
 730                           "user access region table, aborting.\n");
 731                 return err;
 732         }
 733
 734         err = mthca_uar_alloc(dev, &dev->driver_uar);
 735         if (err) {
 736                 mthca_err(dev, "Failed to allocate driver access region, "
 737                           "aborting.\n");
 738                 goto err_uar_table_free;
 739         }
 740
 741         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 742         if (!dev->kar) {
 743                 mthca_err(dev, "Couldn't map kernel access region, "
 744                           "aborting.\n");
 745                 err = -ENOMEM;
 746                 goto err_uar_free;
 747         }
 748
 749         err = mthca_init_pd_table(dev);
 750         if (err) {
 751                 mthca_err(dev, "Failed to initialize "
 752                           "protection domain table, aborting.\n");
 753                 goto err_kar_unmap;
 754         }
 755
 756         err = mthca_init_mr_table(dev);
 757         if (err) {
 758                 mthca_err(dev, "Failed to initialize "
 759                           "memory region table, aborting.\n");
 760                 goto err_pd_table_free;
 761         }
 762
 763         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 764         if (err) {
 765                 mthca_err(dev, "Failed to create driver PD, "
 766                           "aborting.\n");
 767                 goto err_mr_table_free;
 768         }
 769
 770         err = mthca_init_eq_table(dev);
 771         if (err) {
 772                 mthca_err(dev, "Failed to initialize "
 773                           "event queue table, aborting.\n");
 774                 goto err_pd_free;
 775         }
 776
 777         err = mthca_cmd_use_events(dev);
 778         if (err) {
 779                 mthca_err(dev, "Failed to switch to event-driven "
 780                           "firmware commands, aborting.\n");
 781                 goto err_eq_table_free;
 782         }
 783
 784         err = mthca_NOP(dev, &status);
 785         if (err || status) {
 786                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 787                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 788                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 789                           dev->pdev->irq);
 790                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 791                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 792                 else
 793                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 794
 795                 goto err_cmd_poll;
 796         }
 797
 798         mthca_dbg(dev, "NOP command IRQ test passed\n");
 799
 800         err = mthca_init_cq_table(dev);
 801         if (err) {
 802                 mthca_err(dev, "Failed to initialize "
 803                           "completion queue table, aborting.\n");
 804                 goto err_cmd_poll;
 805         }
 806
 807         err = mthca_init_srq_table(dev);
 808         if (err) {
 809                 mthca_err(dev, "Failed to initialize "
 810                           "shared receive queue table, aborting.\n");
 811                 goto err_cq_table_free;
 812         }
 813
 814         err = mthca_init_qp_table(dev);
 815         if (err) {
 816                 mthca_err(dev, "Failed to initialize "
 817                           "queue pair table, aborting.\n");
 818                 goto err_srq_table_free;
 819         }
 820
 821         err = mthca_init_av_table(dev);
 822         if (err) {
 823                 mthca_err(dev, "Failed to initialize "
 824                           "address vector table, aborting.\n");
 825                 goto err_qp_table_free;
 826         }
 827
 828         err = mthca_init_mcg_table(dev);
 829         if (err) {
 830                 mthca_err(dev, "Failed to initialize "
 831                           "multicast group table, aborting.\n");
 832                 goto err_av_table_free;
 833         }
 834
 835         return 0;
 836
 837 err_av_table_free:
 838         mthca_cleanup_av_table(dev);
 839
 840 err_qp_table_free:
 841         mthca_cleanup_qp_table(dev);
 842
 843 err_srq_table_free:
 844         mthca_cleanup_srq_table(dev);
 845
 846 err_cq_table_free:
 847         mthca_cleanup_cq_table(dev);
 848
 849 err_cmd_poll:
 850         mthca_cmd_use_polling(dev);
 851
 852 err_eq_table_free:
 853         mthca_cleanup_eq_table(dev);
 854
 855 err_pd_free:
 856         mthca_pd_free(dev, &dev->driver_pd);
 857
 858 err_mr_table_free:
 859         mthca_cleanup_mr_table(dev);
 860
 861 err_pd_table_free:
 862         mthca_cleanup_pd_table(dev);
 863
 864 err_kar_unmap:
 865         iounmap(dev->kar);
 866
 867 err_uar_free:
 868         mthca_uar_free(dev, &dev->driver_uar);
 869
 870 err_uar_table_free:
 871         mthca_cleanup_uar_table(dev);
 872         return err;
 873 }
 874
 875 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 876                                            int ddr_hidden)
 877 {
 878         int err;
 879
 880         /*
 881          * We can't just use pci_request_regions() because the MSI-X
 882          * table is right in the middle of the first BAR.  If we did
 883          * pci_request_region and grab all of the first BAR, then
 884          * setting up MSI-X would fail, since the PCI core wants to do
 885          * request_mem_region on the MSI-X vector table.
 886          *
 887          * So just request what we need right now, and request any
 888          * other regions we need when setting up EQs.
 889          */
 890         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 891                                 MTHCA_HCR_SIZE, DRV_NAME))
 892                 return -EBUSY;
 893
 894         err = pci_request_region(pdev, 2, DRV_NAME);
 895         if (err)
 896                 goto err_bar2_failed;
 897
 898         if (!ddr_hidden) {
 899                 err = pci_request_region(pdev, 4, DRV_NAME);
 900                 if (err)
 901                         goto err_bar4_failed;
 902         }
 903
 904         return 0;
 905
 906 err_bar4_failed:
 907         pci_release_region(pdev, 2);
 908
 909 err_bar2_failed:
 910         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 911                            MTHCA_HCR_SIZE);
 912
 913         return err;
 914 }
 915
 916 static void mthca_release_regions(struct pci_dev *pdev,
 917                                   int ddr_hidden)
 918 {
 919         if (!ddr_hidden)
 920                 pci_release_region(pdev, 4);
 921
 922         pci_release_region(pdev, 2);
 923
 924         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 925                            MTHCA_HCR_SIZE);
 926 }
 927
 928 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 929 {
 930         struct msix_entry entries[3];
 931         int err;
 932
 933         entries[0].entry = 0;
 934         entries[1].entry = 1;
 935         entries[2].entry = 2;
 936
 937         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 938         if (err) {
 939                 if (err > 0)
 940                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 941                                    "not using MSI-X\n", err);
 942                 return err;
 943         }
 944
 945         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 946         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 947         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 948
 949         return 0;
 950 }
 951
 952 /* Types of supported HCA */
 953 enum {
 954         TAVOR,                  /* MT23108                        */
 955         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 956         ARBEL_NATIVE,           /* MT25208 with extended features */
 957         SINAI                   /* MT25204 */
 958 };
 959
 960 #define MTHCA_FW_VER(major, minor, subminor) \
 961         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 962
 963 static struct {
 964         u64 latest_fw;
 965         u32 flags;
 966 } mthca_hca_table[] = {
 967         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
 968                            .flags     = 0 },
 969         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 400),
 970                            .flags     = MTHCA_FLAG_PCIE },
 971         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0),
 972                            .flags     = MTHCA_FLAG_MEMFREE |
 973                                         MTHCA_FLAG_PCIE },
 974         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 0, 800),
 975                            .flags     = MTHCA_FLAG_MEMFREE |
 976                                         MTHCA_FLAG_PCIE    |
 977                                         MTHCA_FLAG_SINAI_OPT }
 978 };
 979
 980 static int __devinit mthca_init_one(struct pci_dev *pdev,
 981                                     const struct pci_device_id *id)
 982 {
 983         static int mthca_version_printed = 0;
 984         int ddr_hidden = 0;
 985         int err;
 986         struct mthca_dev *mdev;
 987
 988         if (!mthca_version_printed) {
 989                 printk(KERN_INFO "%s", mthca_version);
 990                 ++mthca_version_printed;
 991         }
 992
 993         printk(KERN_INFO PFX "Initializing %s\n",
 994                pci_name(pdev));
 995
 996         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 997                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 998                        pci_name(pdev), id->driver_data);
 999                 return -ENODEV;
1000         }
1001
1002         err = pci_enable_device(pdev);
1003         if (err) {
1004                 dev_err(&pdev->dev, "Cannot enable PCI device, "
1005                         "aborting.\n");
1006                 return err;
1007         }
1008
1009         /*
1010          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
1011          * be present)
1012          */
1013         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1014             pci_resource_len(pdev, 0) != 1 << 20) {
1015                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1016                 err = -ENODEV;
1017                 goto err_disable_pdev;
1018         }
1019         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1020                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1021                 err = -ENODEV;
1022                 goto err_disable_pdev;
1023         }
1024         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1025                 ddr_hidden = 1;
1026
1027         err = mthca_request_regions(pdev, ddr_hidden);
1028         if (err) {
1029                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1030                         "aborting.\n");
1031                 goto err_disable_pdev;
1032         }
1033
1034         pci_set_master(pdev);
1035
1036         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1037         if (err) {
1038                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1039                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1040                 if (err) {
1041                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1042                         goto err_free_res;
1043                 }
1044         }
1045         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1046         if (err) {
1047                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1048                          "consistent PCI DMA mask.\n");
1049                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1050                 if (err) {
1051                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1052                                 "aborting.\n");
1053                         goto err_free_res;
1054                 }
1055         }
1056
1057         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1058         if (!mdev) {
1059                 dev_err(&pdev->dev, "Device struct alloc failed, "
1060                         "aborting.\n");
1061                 err = -ENOMEM;
1062                 goto err_free_res;
1063         }
1064
1065         mdev->pdev = pdev;
1066
1067         mdev->mthca_flags = mthca_hca_table[id->driver_data].flags;
1068         if (ddr_hidden)
1069                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1070
1071         /*
1072          * Now reset the HCA before we touch the PCI capabilities or
1073          * attempt a firmware command, since a boot ROM may have left
1074          * the HCA in an undefined state.
1075          */
1076         err = mthca_reset(mdev);
1077         if (err) {
1078                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1079                 goto err_free_dev;
1080         }
1081
1082         if (msi_x && !mthca_enable_msi_x(mdev))
1083                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1084         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1085             !pci_enable_msi(pdev))
1086                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1087
1088         if (mthca_cmd_init(mdev)) {
1089                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1090                 goto err_free_dev;
1091         }
1092
1093         err = mthca_tune_pci(mdev);
1094         if (err)
1095                 goto err_cmd;
1096
1097         err = mthca_init_hca(mdev);
1098         if (err)
1099                 goto err_cmd;
1100
1101         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1102                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1103                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1104                            (int) (mdev->fw_ver & 0xffff),
1105                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1106                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1107                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1108                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1109         }
1110
1111         err = mthca_setup_hca(mdev);
1112         if (err)
1113                 goto err_close;
1114
1115         err = mthca_register_device(mdev);
1116         if (err)
1117                 goto err_cleanup;
1118
1119         err = mthca_create_agents(mdev);
1120         if (err)
1121                 goto err_unregister;
1122
1123         pci_set_drvdata(pdev, mdev);
1124
1125         return 0;
1126
1127 err_unregister:
1128         mthca_unregister_device(mdev);
1129
1130 err_cleanup:
1131         mthca_cleanup_mcg_table(mdev);
1132         mthca_cleanup_av_table(mdev);
1133         mthca_cleanup_qp_table(mdev);
1134         mthca_cleanup_srq_table(mdev);
1135         mthca_cleanup_cq_table(mdev);
1136         mthca_cmd_use_polling(mdev);
1137         mthca_cleanup_eq_table(mdev);
1138
1139         mthca_pd_free(mdev, &mdev->driver_pd);
1140
1141         mthca_cleanup_mr_table(mdev);
1142         mthca_cleanup_pd_table(mdev);
1143         mthca_cleanup_uar_table(mdev);
1144
1145 err_close:
1146         mthca_close_hca(mdev);
1147
1148 err_cmd:
1149         mthca_cmd_cleanup(mdev);
1150
1151 err_free_dev:
1152         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1153                 pci_disable_msix(pdev);
1154         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1155                 pci_disable_msi(pdev);
1156
1157         ib_dealloc_device(&mdev->ib_dev);
1158
1159 err_free_res:
1160         mthca_release_regions(pdev, ddr_hidden);
1161
1162 err_disable_pdev:
1163         pci_disable_device(pdev);
1164         pci_set_drvdata(pdev, NULL);
1165         return err;
1166 }
1167
1168 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1169 {
1170         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1171         u8 status;
1172         int p;
1173
1174         if (mdev) {
1175                 mthca_free_agents(mdev);
1176                 mthca_unregister_device(mdev);
1177
1178                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1179                         mthca_CLOSE_IB(mdev, p, &status);
1180
1181                 mthca_cleanup_mcg_table(mdev);
1182                 mthca_cleanup_av_table(mdev);
1183                 mthca_cleanup_qp_table(mdev);
1184                 mthca_cleanup_srq_table(mdev);
1185                 mthca_cleanup_cq_table(mdev);
1186                 mthca_cmd_use_polling(mdev);
1187                 mthca_cleanup_eq_table(mdev);
1188
1189                 mthca_pd_free(mdev, &mdev->driver_pd);
1190
1191                 mthca_cleanup_mr_table(mdev);
1192                 mthca_cleanup_pd_table(mdev);
1193
1194                 iounmap(mdev->kar);
1195                 mthca_uar_free(mdev, &mdev->driver_uar);
1196                 mthca_cleanup_uar_table(mdev);
1197                 mthca_close_hca(mdev);
1198                 mthca_cmd_cleanup(mdev);
1199
1200                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1201                         pci_disable_msix(pdev);
1202                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1203                         pci_disable_msi(pdev);
1204
1205                 ib_dealloc_device(&mdev->ib_dev);
1206                 mthca_release_regions(pdev, mdev->mthca_flags &
1207                                       MTHCA_FLAG_DDR_HIDDEN);
1208                 pci_disable_device(pdev);
1209                 pci_set_drvdata(pdev, NULL);
1210         }
1211 }
1212
1213 static struct pci_device_id mthca_pci_table[] = {
1214         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1215           .driver_data = TAVOR },
1216         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1217           .driver_data = TAVOR },
1218         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1219           .driver_data = ARBEL_COMPAT },
1220         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1221           .driver_data = ARBEL_COMPAT },
1222         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1223           .driver_data = ARBEL_NATIVE },
1224         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1225           .driver_data = ARBEL_NATIVE },
1226         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1227           .driver_data = SINAI },
1228         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1229           .driver_data = SINAI },
1230         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1231           .driver_data = SINAI },
1232         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1233           .driver_data = SINAI },
1234         { 0, }
1235 };
1236
1237 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1238
1239 static struct pci_driver mthca_driver = {
1240         .name           = DRV_NAME,
1241         .id_table       = mthca_pci_table,
1242         .probe          = mthca_init_one,
1243         .remove         = __devexit_p(mthca_remove_one)
1244 };
1245
1246 static int __init mthca_init(void)
1247 {
1248         int ret;
1249
1250         ret = pci_register_driver(&mthca_driver);
1251         return ret < 0 ? ret : 0;
1252 }
1253
1254 static void __exit mthca_cleanup(void)
1255 {
1256         pci_unregister_driver(&mthca_driver);
1257 }
1258
1259 module_init(mthca_init);
1260 module_exit(mthca_cleanup);