drivers/infiniband/hw/mthca/mthca_main.c

   1 /*
   2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3  * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
   4  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  *
  34  * $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
  35  */
  36
  37 #include <linux/module.h>
  38 #include <linux/init.h>
  39 #include <linux/errno.h>
  40 #include <linux/pci.h>
  41 #include <linux/interrupt.h>
  42
  43 #include "mthca_dev.h"
  44 #include "mthca_config_reg.h"
  45 #include "mthca_cmd.h"
  46 #include "mthca_profile.h"
  47 #include "mthca_memfree.h"
  48
  49 MODULE_AUTHOR("Roland Dreier");
  50 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
  51 MODULE_LICENSE("Dual BSD/GPL");
  52 MODULE_VERSION(DRV_VERSION);
  53
  54 #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
  55
  56 int mthca_debug_level = 0;
  57 module_param_named(debug_level, mthca_debug_level, int, 0644);
  58 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
  59
  60 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
  61
  62 #ifdef CONFIG_PCI_MSI
  63
  64 static int msi_x = 0;
  65 module_param(msi_x, int, 0444);
  66 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
  67
  68 static int msi = 0;
  69 module_param(msi, int, 0444);
  70 MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
  71
  72 #else /* CONFIG_PCI_MSI */
  73
  74 #define msi_x (0)
  75 #define msi   (0)
  76
  77 #endif /* CONFIG_PCI_MSI */
  78
  79 static int tune_pci = 0;
  80 module_param(tune_pci, int, 0444);
  81 MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
  82
  83 static const char mthca_version[] __devinitdata =
  84         DRV_NAME ": Mellanox InfiniBand HCA driver v"
  85         DRV_VERSION " (" DRV_RELDATE ")\n";
  86
  87 static struct mthca_profile default_profile = {
  88         .num_qp            = 1 << 16,
  89         .rdb_per_qp        = 4,
  90         .num_cq            = 1 << 16,
  91         .num_mcg           = 1 << 13,
  92         .num_mpt           = 1 << 17,
  93         .num_mtt           = 1 << 20,
  94         .num_udav          = 1 << 15,   /* Tavor only */
  95         .fmr_reserved_mtts = 1 << 18,   /* Tavor only */
  96         .uarc_size         = 1 << 18,   /* Arbel only */
  97 };
  98
  99 static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
 100 {
 101         int cap;
 102         u16 val;
 103
 104         if (!tune_pci)
 105                 return 0;
 106
 107         /* First try to max out Read Byte Count */
 108         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
 109         if (cap) {
 110                 if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
 111                         mthca_err(mdev, "Couldn't read PCI-X command register, "
 112                                   "aborting.\n");
 113                         return -ENODEV;
 114                 }
 115                 val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
 116                 if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
 117                         mthca_err(mdev, "Couldn't write PCI-X command register, "
 118                                   "aborting.\n");
 119                         return -ENODEV;
 120                 }
 121         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 122                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 123
 124         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
 125         if (cap) {
 126                 if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
 127                         mthca_err(mdev, "Couldn't read PCI Express device control "
 128                                   "register, aborting.\n");
 129                         return -ENODEV;
 130                 }
 131                 val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
 132                 if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
 133                         mthca_err(mdev, "Couldn't write PCI Express device control "
 134                                   "register, aborting.\n");
 135                         return -ENODEV;
 136                 }
 137         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 138                 mthca_info(mdev, "No PCI Express capability, "
 139                            "not setting Max Read Request Size.\n");
 140
 141         return 0;
 142 }
 143
 144 static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 145 {
 146         int err;
 147         u8 status;
 148
 149         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 150         if (err) {
 151                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 152                 return err;
 153         }
 154         if (status) {
 155                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 156                           "aborting.\n", status);
 157                 return -EINVAL;
 158         }
 159         if (dev_lim->min_page_sz > PAGE_SIZE) {
 160                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 161                           "kernel PAGE_SIZE of %ld, aborting.\n",
 162                           dev_lim->min_page_sz, PAGE_SIZE);
 163                 return -ENODEV;
 164         }
 165         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 166                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 167                           "aborting.\n",
 168                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 169                 return -ENODEV;
 170         }
 171
 172         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
 173                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
 174                           "PCI resource 2 size of 0x%llx, aborting.\n",
 175                           dev_lim->uar_size,
 176                           (unsigned long long)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         mdev->limits.max_srq_sge        = mthca_max_srq_sge(mdev);
 195         /*
 196          * Subtract 1 from the limit because we need to allocate a
 197          * spare CQE so the HCA HW can tell the difference between an
 198          * empty CQ and a full CQ.
 199          */
 200         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 201         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 202         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 203         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 204         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 205         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 206         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 207         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 208         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 209         mdev->limits.flags              = dev_lim->flags;
 210         /*
 211          * For old FW that doesn't return static rate support, use a
 212          * value of 0x3 (only static rate values of 0 or 1 are handled),
 213          * except on Sinai, where even old FW can handle static rate
 214          * values of 2 and 3.
 215          */
 216         if (dev_lim->stat_rate_support)
 217                 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
 218         else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
 219                 mdev->limits.stat_rate_support = 0xf;
 220         else
 221                 mdev->limits.stat_rate_support = 0x3;
 222
 223         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 224            May be doable since hardware supports it for SRQ.
 225
 226            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 227
 228            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 229            supported by driver. */
 230         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 231                 IB_DEVICE_PORT_ACTIVE_EVENT |
 232                 IB_DEVICE_SYS_IMAGE_GUID |
 233                 IB_DEVICE_RC_RNR_NAK_GEN;
 234
 235         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 236                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 237
 238         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 239                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 240
 241         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 242                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 243
 244         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 245                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 246
 247         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 248                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 249
 250         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 251                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 252
 253         return 0;
 254 }
 255
 256 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 257 {
 258         u8 status;
 259         int err;
 260         struct mthca_dev_lim        dev_lim;
 261         struct mthca_profile        profile;
 262         struct mthca_init_hca_param init_hca;
 263
 264         err = mthca_SYS_EN(mdev, &status);
 265         if (err) {
 266                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 267                 return err;
 268         }
 269         if (status) {
 270                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 271                           "aborting.\n", status);
 272                 return -EINVAL;
 273         }
 274
 275         err = mthca_QUERY_FW(mdev, &status);
 276         if (err) {
 277                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 278                 goto err_disable;
 279         }
 280         if (status) {
 281                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 282                           "aborting.\n", status);
 283                 err = -EINVAL;
 284                 goto err_disable;
 285         }
 286         err = mthca_QUERY_DDR(mdev, &status);
 287         if (err) {
 288                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 289                 goto err_disable;
 290         }
 291         if (status) {
 292                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 293                           "aborting.\n", status);
 294                 err = -EINVAL;
 295                 goto err_disable;
 296         }
 297
 298         err = mthca_dev_lim(mdev, &dev_lim);
 299         if (err) {
 300                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 301                 goto err_disable;
 302         }
 303
 304         profile = default_profile;
 305         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 306         profile.uarc_size = 0;
 307         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 308                 profile.num_srq = dev_lim.max_srqs;
 309
 310         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 311         if (err < 0)
 312                 goto err_disable;
 313
 314         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 315         if (err) {
 316                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 317                 goto err_disable;
 318         }
 319         if (status) {
 320                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 321                           "aborting.\n", status);
 322                 err = -EINVAL;
 323                 goto err_disable;
 324         }
 325
 326         return 0;
 327
 328 err_disable:
 329         mthca_SYS_DIS(mdev, &status);
 330
 331         return err;
 332 }
 333
 334 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 335 {
 336         u8 status;
 337         int err;
 338
 339         /* FIXME: use HCA-attached memory for FW if present */
 340
 341         mdev->fw.arbel.fw_icm =
 342                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 343                                 GFP_HIGHUSER | __GFP_NOWARN);
 344         if (!mdev->fw.arbel.fw_icm) {
 345                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 346                 return -ENOMEM;
 347         }
 348
 349         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 350         if (err) {
 351                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 352                 goto err_free;
 353         }
 354         if (status) {
 355                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 356                 err = -EINVAL;
 357                 goto err_free;
 358         }
 359         err = mthca_RUN_FW(mdev, &status);
 360         if (err) {
 361                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 362                 goto err_unmap_fa;
 363         }
 364         if (status) {
 365                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 366                 err = -EINVAL;
 367                 goto err_unmap_fa;
 368         }
 369
 370         return 0;
 371
 372 err_unmap_fa:
 373         mthca_UNMAP_FA(mdev, &status);
 374
 375 err_free:
 376         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 377         return err;
 378 }
 379
 380 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 381                                     struct mthca_dev_lim *dev_lim,
 382                                     struct mthca_init_hca_param *init_hca,
 383                                     u64 icm_size)
 384 {
 385         u64 aux_pages;
 386         u8 status;
 387         int err;
 388
 389         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 390         if (err) {
 391                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 392                 return err;
 393         }
 394         if (status) {
 395                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 396                           "aborting.\n", status);
 397                 return -EINVAL;
 398         }
 399
 400         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 401                   (unsigned long long) icm_size >> 10,
 402                   (unsigned long long) aux_pages << 2);
 403
 404         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 405                                                  GFP_HIGHUSER | __GFP_NOWARN);
 406         if (!mdev->fw.arbel.aux_icm) {
 407                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 408                 return -ENOMEM;
 409         }
 410
 411         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 412         if (err) {
 413                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 414                 goto err_free_aux;
 415         }
 416         if (status) {
 417                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 418                 err = -EINVAL;
 419                 goto err_free_aux;
 420         }
 421
 422         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 423         if (err) {
 424                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 425                 goto err_unmap_aux;
 426         }
 427
 428         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 429                                                          MTHCA_MTT_SEG_SIZE,
 430                                                          mdev->limits.num_mtt_segs,
 431                                                          mdev->limits.reserved_mtts, 1);
 432         if (!mdev->mr_table.mtt_table) {
 433                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 434                 err = -ENOMEM;
 435                 goto err_unmap_eq;
 436         }
 437
 438         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 439                                                          dev_lim->mpt_entry_sz,
 440                                                          mdev->limits.num_mpts,
 441                                                          mdev->limits.reserved_mrws, 1);
 442         if (!mdev->mr_table.mpt_table) {
 443                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 444                 err = -ENOMEM;
 445                 goto err_unmap_mtt;
 446         }
 447
 448         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 449                                                         dev_lim->qpc_entry_sz,
 450                                                         mdev->limits.num_qps,
 451                                                         mdev->limits.reserved_qps, 0);
 452         if (!mdev->qp_table.qp_table) {
 453                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 454                 err = -ENOMEM;
 455                 goto err_unmap_mpt;
 456         }
 457
 458         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 459                                                          dev_lim->eqpc_entry_sz,
 460                                                          mdev->limits.num_qps,
 461                                                          mdev->limits.reserved_qps, 0);
 462         if (!mdev->qp_table.eqp_table) {
 463                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 464                 err = -ENOMEM;
 465                 goto err_unmap_qp;
 466         }
 467
 468         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 469                                                          MTHCA_RDB_ENTRY_SIZE,
 470                                                          mdev->limits.num_qps <<
 471                                                          mdev->qp_table.rdb_shift,
 472                                                          0, 0);
 473         if (!mdev->qp_table.rdb_table) {
 474                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 475                 err = -ENOMEM;
 476                 goto err_unmap_eqp;
 477         }
 478
 479        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 480                                                     dev_lim->cqc_entry_sz,
 481                                                     mdev->limits.num_cqs,
 482                                                     mdev->limits.reserved_cqs, 0);
 483         if (!mdev->cq_table.table) {
 484                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 485                 err = -ENOMEM;
 486                 goto err_unmap_rdb;
 487         }
 488
 489         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 490                 mdev->srq_table.table =
 491                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 492                                               dev_lim->srq_entry_sz,
 493                                               mdev->limits.num_srqs,
 494                                               mdev->limits.reserved_srqs, 0);
 495                 if (!mdev->srq_table.table) {
 496                         mthca_err(mdev, "Failed to map SRQ context memory, "
 497                                   "aborting.\n");
 498                         err = -ENOMEM;
 499                         goto err_unmap_cq;
 500                 }
 501         }
 502
 503         /*
 504          * It's not strictly required, but for simplicity just map the
 505          * whole multicast group table now.  The table isn't very big
 506          * and it's a lot easier than trying to track ref counts.
 507          */
 508         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 509                                                       MTHCA_MGM_ENTRY_SIZE,
 510                                                       mdev->limits.num_mgms +
 511                                                       mdev->limits.num_amgms,
 512                                                       mdev->limits.num_mgms +
 513                                                       mdev->limits.num_amgms,
 514                                                       0);
 515         if (!mdev->mcg_table.table) {
 516                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 517                 err = -ENOMEM;
 518                 goto err_unmap_srq;
 519         }
 520
 521         return 0;
 522
 523 err_unmap_srq:
 524         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 525                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 526
 527 err_unmap_cq:
 528         mthca_free_icm_table(mdev, mdev->cq_table.table);
 529
 530 err_unmap_rdb:
 531         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 532
 533 err_unmap_eqp:
 534         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 535
 536 err_unmap_qp:
 537         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 538
 539 err_unmap_mpt:
 540         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 541
 542 err_unmap_mtt:
 543         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 544
 545 err_unmap_eq:
 546         mthca_unmap_eq_icm(mdev);
 547
 548 err_unmap_aux:
 549         mthca_UNMAP_ICM_AUX(mdev, &status);
 550
 551 err_free_aux:
 552         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 553
 554         return err;
 555 }
 556
 557 static void mthca_free_icms(struct mthca_dev *mdev)
 558 {
 559         u8 status;
 560
 561         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 562         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 563                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 564         mthca_free_icm_table(mdev, mdev->cq_table.table);
 565         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 566         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 567         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 568         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 569         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 570         mthca_unmap_eq_icm(mdev);
 571
 572         mthca_UNMAP_ICM_AUX(mdev, &status);
 573         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 574 }
 575
 576 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 577 {
 578         struct mthca_dev_lim        dev_lim;
 579         struct mthca_profile        profile;
 580         struct mthca_init_hca_param init_hca;
 581         u64 icm_size;
 582         u8 status;
 583         int err;
 584
 585         err = mthca_QUERY_FW(mdev, &status);
 586         if (err) {
 587                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 588                 return err;
 589         }
 590         if (status) {
 591                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 592                           "aborting.\n", status);
 593                 return -EINVAL;
 594         }
 595
 596         err = mthca_ENABLE_LAM(mdev, &status);
 597         if (err) {
 598                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 599                 return err;
 600         }
 601         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 602                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 603                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 604         } else if (status) {
 605                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 606                           "aborting.\n", status);
 607                 return -EINVAL;
 608         }
 609
 610         err = mthca_load_fw(mdev);
 611         if (err) {
 612                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 613                 goto err_disable;
 614         }
 615
 616         err = mthca_dev_lim(mdev, &dev_lim);
 617         if (err) {
 618                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 619                 goto err_stop_fw;
 620         }
 621
 622         profile = default_profile;
 623         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 624         profile.num_udav = 0;
 625         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 626                 profile.num_srq = dev_lim.max_srqs;
 627
 628         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 629         if ((int) icm_size < 0) {
 630                 err = icm_size;
 631                 goto err_stop_fw;
 632         }
 633
 634         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 635         if (err)
 636                 goto err_stop_fw;
 637
 638         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 639         if (err) {
 640                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 641                 goto err_free_icm;
 642         }
 643         if (status) {
 644                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 645                           "aborting.\n", status);
 646                 err = -EINVAL;
 647                 goto err_free_icm;
 648         }
 649
 650         return 0;
 651
 652 err_free_icm:
 653         mthca_free_icms(mdev);
 654
 655 err_stop_fw:
 656         mthca_UNMAP_FA(mdev, &status);
 657         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 658
 659 err_disable:
 660         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 661                 mthca_DISABLE_LAM(mdev, &status);
 662
 663         return err;
 664 }
 665
 666 static void mthca_close_hca(struct mthca_dev *mdev)
 667 {
 668         u8 status;
 669
 670         mthca_CLOSE_HCA(mdev, 0, &status);
 671
 672         if (mthca_is_memfree(mdev)) {
 673                 mthca_free_icms(mdev);
 674
 675                 mthca_UNMAP_FA(mdev, &status);
 676                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 677
 678                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 679                         mthca_DISABLE_LAM(mdev, &status);
 680         } else
 681                 mthca_SYS_DIS(mdev, &status);
 682 }
 683
 684 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 685 {
 686         u8 status;
 687         int err;
 688         struct mthca_adapter adapter;
 689
 690         if (mthca_is_memfree(mdev))
 691                 err = mthca_init_arbel(mdev);
 692         else
 693                 err = mthca_init_tavor(mdev);
 694
 695         if (err)
 696                 return err;
 697
 698         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 699         if (err) {
 700                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 701                 goto err_close;
 702         }
 703         if (status) {
 704                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 705                           "aborting.\n", status);
 706                 err = -EINVAL;
 707                 goto err_close;
 708         }
 709
 710         mdev->eq_table.inta_pin = adapter.inta_pin;
 711         mdev->rev_id            = adapter.revision_id;
 712         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 713
 714         return 0;
 715
 716 err_close:
 717         mthca_close_hca(mdev);
 718         return err;
 719 }
 720
 721 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 722 {
 723         int err;
 724         u8 status;
 725
 726         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 727
 728         err = mthca_init_uar_table(dev);
 729         if (err) {
 730                 mthca_err(dev, "Failed to initialize "
 731                           "user access region table, aborting.\n");
 732                 return err;
 733         }
 734
 735         err = mthca_uar_alloc(dev, &dev->driver_uar);
 736         if (err) {
 737                 mthca_err(dev, "Failed to allocate driver access region, "
 738                           "aborting.\n");
 739                 goto err_uar_table_free;
 740         }
 741
 742         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 743         if (!dev->kar) {
 744                 mthca_err(dev, "Couldn't map kernel access region, "
 745                           "aborting.\n");
 746                 err = -ENOMEM;
 747                 goto err_uar_free;
 748         }
 749
 750         err = mthca_init_pd_table(dev);
 751         if (err) {
 752                 mthca_err(dev, "Failed to initialize "
 753                           "protection domain table, aborting.\n");
 754                 goto err_kar_unmap;
 755         }
 756
 757         err = mthca_init_mr_table(dev);
 758         if (err) {
 759                 mthca_err(dev, "Failed to initialize "
 760                           "memory region table, aborting.\n");
 761                 goto err_pd_table_free;
 762         }
 763
 764         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 765         if (err) {
 766                 mthca_err(dev, "Failed to create driver PD, "
 767                           "aborting.\n");
 768                 goto err_mr_table_free;
 769         }
 770
 771         err = mthca_init_eq_table(dev);
 772         if (err) {
 773                 mthca_err(dev, "Failed to initialize "
 774                           "event queue table, aborting.\n");
 775                 goto err_pd_free;
 776         }
 777
 778         err = mthca_cmd_use_events(dev);
 779         if (err) {
 780                 mthca_err(dev, "Failed to switch to event-driven "
 781                           "firmware commands, aborting.\n");
 782                 goto err_eq_table_free;
 783         }
 784
 785         err = mthca_NOP(dev, &status);
 786         if (err || status) {
 787                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 788                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 789                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 790                           dev->pdev->irq);
 791                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 792                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 793                 else
 794                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 795
 796                 goto err_cmd_poll;
 797         }
 798
 799         mthca_dbg(dev, "NOP command IRQ test passed\n");
 800
 801         err = mthca_init_cq_table(dev);
 802         if (err) {
 803                 mthca_err(dev, "Failed to initialize "
 804                           "completion queue table, aborting.\n");
 805                 goto err_cmd_poll;
 806         }
 807
 808         err = mthca_init_srq_table(dev);
 809         if (err) {
 810                 mthca_err(dev, "Failed to initialize "
 811                           "shared receive queue table, aborting.\n");
 812                 goto err_cq_table_free;
 813         }
 814
 815         err = mthca_init_qp_table(dev);
 816         if (err) {
 817                 mthca_err(dev, "Failed to initialize "
 818                           "queue pair table, aborting.\n");
 819                 goto err_srq_table_free;
 820         }
 821
 822         err = mthca_init_av_table(dev);
 823         if (err) {
 824                 mthca_err(dev, "Failed to initialize "
 825                           "address vector table, aborting.\n");
 826                 goto err_qp_table_free;
 827         }
 828
 829         err = mthca_init_mcg_table(dev);
 830         if (err) {
 831                 mthca_err(dev, "Failed to initialize "
 832                           "multicast group table, aborting.\n");
 833                 goto err_av_table_free;
 834         }
 835
 836         return 0;
 837
 838 err_av_table_free:
 839         mthca_cleanup_av_table(dev);
 840
 841 err_qp_table_free:
 842         mthca_cleanup_qp_table(dev);
 843
 844 err_srq_table_free:
 845         mthca_cleanup_srq_table(dev);
 846
 847 err_cq_table_free:
 848         mthca_cleanup_cq_table(dev);
 849
 850 err_cmd_poll:
 851         mthca_cmd_use_polling(dev);
 852
 853 err_eq_table_free:
 854         mthca_cleanup_eq_table(dev);
 855
 856 err_pd_free:
 857         mthca_pd_free(dev, &dev->driver_pd);
 858
 859 err_mr_table_free:
 860         mthca_cleanup_mr_table(dev);
 861
 862 err_pd_table_free:
 863         mthca_cleanup_pd_table(dev);
 864
 865 err_kar_unmap:
 866         iounmap(dev->kar);
 867
 868 err_uar_free:
 869         mthca_uar_free(dev, &dev->driver_uar);
 870
 871 err_uar_table_free:
 872         mthca_cleanup_uar_table(dev);
 873         return err;
 874 }
 875
 876 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 877                                            int ddr_hidden)
 878 {
 879         int err;
 880
 881         /*
 882          * We can't just use pci_request_regions() because the MSI-X
 883          * table is right in the middle of the first BAR.  If we did
 884          * pci_request_region and grab all of the first BAR, then
 885          * setting up MSI-X would fail, since the PCI core wants to do
 886          * request_mem_region on the MSI-X vector table.
 887          *
 888          * So just request what we need right now, and request any
 889          * other regions we need when setting up EQs.
 890          */
 891         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 892                                 MTHCA_HCR_SIZE, DRV_NAME))
 893                 return -EBUSY;
 894
 895         err = pci_request_region(pdev, 2, DRV_NAME);
 896         if (err)
 897                 goto err_bar2_failed;
 898
 899         if (!ddr_hidden) {
 900                 err = pci_request_region(pdev, 4, DRV_NAME);
 901                 if (err)
 902                         goto err_bar4_failed;
 903         }
 904
 905         return 0;
 906
 907 err_bar4_failed:
 908         pci_release_region(pdev, 2);
 909
 910 err_bar2_failed:
 911         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 912                            MTHCA_HCR_SIZE);
 913
 914         return err;
 915 }
 916
 917 static void mthca_release_regions(struct pci_dev *pdev,
 918                                   int ddr_hidden)
 919 {
 920         if (!ddr_hidden)
 921                 pci_release_region(pdev, 4);
 922
 923         pci_release_region(pdev, 2);
 924
 925         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 926                            MTHCA_HCR_SIZE);
 927 }
 928
 929 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 930 {
 931         struct msix_entry entries[3];
 932         int err;
 933
 934         entries[0].entry = 0;
 935         entries[1].entry = 1;
 936         entries[2].entry = 2;
 937
 938         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 939         if (err) {
 940                 if (err > 0)
 941                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 942                                    "not using MSI-X\n", err);
 943                 return err;
 944         }
 945
 946         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 947         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 948         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 949
 950         return 0;
 951 }
 952
 953 /* Types of supported HCA */
 954 enum {
 955         TAVOR,                  /* MT23108                        */
 956         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 957         ARBEL_NATIVE,           /* MT25208 with extended features */
 958         SINAI                   /* MT25204 */
 959 };
 960
 961 #define MTHCA_FW_VER(major, minor, subminor) \
 962         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 963
 964 static struct {
 965         u64 latest_fw;
 966         u32 flags;
 967 } mthca_hca_table[] = {
 968         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 4, 0),
 969                            .flags     = 0 },
 970         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 600),
 971                            .flags     = MTHCA_FLAG_PCIE },
 972         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 400),
 973                            .flags     = MTHCA_FLAG_MEMFREE |
 974                                         MTHCA_FLAG_PCIE },
 975         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 1, 0),
 976                            .flags     = MTHCA_FLAG_MEMFREE |
 977                                         MTHCA_FLAG_PCIE    |
 978                                         MTHCA_FLAG_SINAI_OPT }
 979 };
 980
 981 static int __devinit mthca_init_one(struct pci_dev *pdev,
 982                                     const struct pci_device_id *id)
 983 {
 984         static int mthca_version_printed = 0;
 985         int ddr_hidden = 0;
 986         int err;
 987         struct mthca_dev *mdev;
 988
 989         if (!mthca_version_printed) {
 990                 printk(KERN_INFO "%s", mthca_version);
 991                 ++mthca_version_printed;
 992         }
 993
 994         printk(KERN_INFO PFX "Initializing %s\n",
 995                pci_name(pdev));
 996
 997         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 998                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 999                        pci_name(pdev), id->driver_data);
1000                 return -ENODEV;
1001         }
1002
1003         err = pci_enable_device(pdev);
1004         if (err) {
1005                 dev_err(&pdev->dev, "Cannot enable PCI device, "
1006                         "aborting.\n");
1007                 return err;
1008         }
1009
1010         /*
1011          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
1012          * be present)
1013          */
1014         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1015             pci_resource_len(pdev, 0) != 1 << 20) {
1016                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1017                 err = -ENODEV;
1018                 goto err_disable_pdev;
1019         }
1020         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1021                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1022                 err = -ENODEV;
1023                 goto err_disable_pdev;
1024         }
1025         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1026                 ddr_hidden = 1;
1027
1028         err = mthca_request_regions(pdev, ddr_hidden);
1029         if (err) {
1030                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1031                         "aborting.\n");
1032                 goto err_disable_pdev;
1033         }
1034
1035         pci_set_master(pdev);
1036
1037         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1038         if (err) {
1039                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1040                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1041                 if (err) {
1042                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1043                         goto err_free_res;
1044                 }
1045         }
1046         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1047         if (err) {
1048                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1049                          "consistent PCI DMA mask.\n");
1050                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1051                 if (err) {
1052                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1053                                 "aborting.\n");
1054                         goto err_free_res;
1055                 }
1056         }
1057
1058         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1059         if (!mdev) {
1060                 dev_err(&pdev->dev, "Device struct alloc failed, "
1061                         "aborting.\n");
1062                 err = -ENOMEM;
1063                 goto err_free_res;
1064         }
1065
1066         mdev->pdev = pdev;
1067
1068         mdev->mthca_flags = mthca_hca_table[id->driver_data].flags;
1069         if (ddr_hidden)
1070                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1071
1072         /*
1073          * Now reset the HCA before we touch the PCI capabilities or
1074          * attempt a firmware command, since a boot ROM may have left
1075          * the HCA in an undefined state.
1076          */
1077         err = mthca_reset(mdev);
1078         if (err) {
1079                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1080                 goto err_free_dev;
1081         }
1082
1083         if (msi_x && !mthca_enable_msi_x(mdev))
1084                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1085         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1086             !pci_enable_msi(pdev))
1087                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1088
1089         if (mthca_cmd_init(mdev)) {
1090                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1091                 goto err_free_dev;
1092         }
1093
1094         err = mthca_tune_pci(mdev);
1095         if (err)
1096                 goto err_cmd;
1097
1098         err = mthca_init_hca(mdev);
1099         if (err)
1100                 goto err_cmd;
1101
1102         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1103                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1104                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1105                            (int) (mdev->fw_ver & 0xffff),
1106                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1107                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1108                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1109                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1110         }
1111
1112         err = mthca_setup_hca(mdev);
1113         if (err)
1114                 goto err_close;
1115
1116         err = mthca_register_device(mdev);
1117         if (err)
1118                 goto err_cleanup;
1119
1120         err = mthca_create_agents(mdev);
1121         if (err)
1122                 goto err_unregister;
1123
1124         pci_set_drvdata(pdev, mdev);
1125
1126         return 0;
1127
1128 err_unregister:
1129         mthca_unregister_device(mdev);
1130
1131 err_cleanup:
1132         mthca_cleanup_mcg_table(mdev);
1133         mthca_cleanup_av_table(mdev);
1134         mthca_cleanup_qp_table(mdev);
1135         mthca_cleanup_srq_table(mdev);
1136         mthca_cleanup_cq_table(mdev);
1137         mthca_cmd_use_polling(mdev);
1138         mthca_cleanup_eq_table(mdev);
1139
1140         mthca_pd_free(mdev, &mdev->driver_pd);
1141
1142         mthca_cleanup_mr_table(mdev);
1143         mthca_cleanup_pd_table(mdev);
1144         mthca_cleanup_uar_table(mdev);
1145
1146 err_close:
1147         mthca_close_hca(mdev);
1148
1149 err_cmd:
1150         mthca_cmd_cleanup(mdev);
1151
1152 err_free_dev:
1153         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1154                 pci_disable_msix(pdev);
1155         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1156                 pci_disable_msi(pdev);
1157
1158         ib_dealloc_device(&mdev->ib_dev);
1159
1160 err_free_res:
1161         mthca_release_regions(pdev, ddr_hidden);
1162
1163 err_disable_pdev:
1164         pci_disable_device(pdev);
1165         pci_set_drvdata(pdev, NULL);
1166         return err;
1167 }
1168
1169 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1170 {
1171         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1172         u8 status;
1173         int p;
1174
1175         if (mdev) {
1176                 mthca_free_agents(mdev);
1177                 mthca_unregister_device(mdev);
1178
1179                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1180                         mthca_CLOSE_IB(mdev, p, &status);
1181
1182                 mthca_cleanup_mcg_table(mdev);
1183                 mthca_cleanup_av_table(mdev);
1184                 mthca_cleanup_qp_table(mdev);
1185                 mthca_cleanup_srq_table(mdev);
1186                 mthca_cleanup_cq_table(mdev);
1187                 mthca_cmd_use_polling(mdev);
1188                 mthca_cleanup_eq_table(mdev);
1189
1190                 mthca_pd_free(mdev, &mdev->driver_pd);
1191
1192                 mthca_cleanup_mr_table(mdev);
1193                 mthca_cleanup_pd_table(mdev);
1194
1195                 iounmap(mdev->kar);
1196                 mthca_uar_free(mdev, &mdev->driver_uar);
1197                 mthca_cleanup_uar_table(mdev);
1198                 mthca_close_hca(mdev);
1199                 mthca_cmd_cleanup(mdev);
1200
1201                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1202                         pci_disable_msix(pdev);
1203                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1204                         pci_disable_msi(pdev);
1205
1206                 ib_dealloc_device(&mdev->ib_dev);
1207                 mthca_release_regions(pdev, mdev->mthca_flags &
1208                                       MTHCA_FLAG_DDR_HIDDEN);
1209                 pci_disable_device(pdev);
1210                 pci_set_drvdata(pdev, NULL);
1211         }
1212 }
1213
1214 static struct pci_device_id mthca_pci_table[] = {
1215         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1216           .driver_data = TAVOR },
1217         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1218           .driver_data = TAVOR },
1219         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1220           .driver_data = ARBEL_COMPAT },
1221         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1222           .driver_data = ARBEL_COMPAT },
1223         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1224           .driver_data = ARBEL_NATIVE },
1225         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1226           .driver_data = ARBEL_NATIVE },
1227         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1228           .driver_data = SINAI },
1229         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1230           .driver_data = SINAI },
1231         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1232           .driver_data = SINAI },
1233         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1234           .driver_data = SINAI },
1235         { 0, }
1236 };
1237
1238 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1239
1240 static struct pci_driver mthca_driver = {
1241         .name           = DRV_NAME,
1242         .id_table       = mthca_pci_table,
1243         .probe          = mthca_init_one,
1244         .remove         = __devexit_p(mthca_remove_one)
1245 };
1246
1247 static int __init mthca_init(void)
1248 {
1249         int ret;
1250
1251         ret = pci_register_driver(&mthca_driver);
1252         return ret < 0 ? ret : 0;
1253 }
1254
1255 static void __exit mthca_cleanup(void)
1256 {
1257         pci_unregister_driver(&mthca_driver);
1258 }
1259
1260 module_init(mthca_init);
1261 module_exit(mthca_cleanup);