drivers/infiniband/hw/mthca/mthca_main.c

   1 /*
   2  * Copyright (c) 2004, 2005 Topspin Communications.  All rights reserved.
   3  * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
   4  * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
   5  *
   6  * This software is available to you under a choice of one of two
   7  * licenses.  You may choose to be licensed under the terms of the GNU
   8  * General Public License (GPL) Version 2, available from the file
   9  * COPYING in the main directory of this source tree, or the
  10  * OpenIB.org BSD license below:
  11  *
  12  *     Redistribution and use in source and binary forms, with or
  13  *     without modification, are permitted provided that the following
  14  *     conditions are met:
  15  *
  16  *      - Redistributions of source code must retain the above
  17  *        copyright notice, this list of conditions and the following
  18  *        disclaimer.
  19  *
  20  *      - Redistributions in binary form must reproduce the above
  21  *        copyright notice, this list of conditions and the following
  22  *        disclaimer in the documentation and/or other materials
  23  *        provided with the distribution.
  24  *
  25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32  * SOFTWARE.
  33  *
  34  * $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
  35  */
  36
  37 #include <linux/config.h>
  38 #include <linux/module.h>
  39 #include <linux/init.h>
  40 #include <linux/errno.h>
  41 #include <linux/pci.h>
  42 #include <linux/interrupt.h>
  43
  44 #include "mthca_dev.h"
  45 #include "mthca_config_reg.h"
  46 #include "mthca_cmd.h"
  47 #include "mthca_profile.h"
  48 #include "mthca_memfree.h"
  49
  50 MODULE_AUTHOR("Roland Dreier");
  51 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
  52 MODULE_LICENSE("Dual BSD/GPL");
  53 MODULE_VERSION(DRV_VERSION);
  54
  55 #ifdef CONFIG_PCI_MSI
  56
  57 static int msi_x = 0;
  58 module_param(msi_x, int, 0444);
  59 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
  60
  61 static int msi = 0;
  62 module_param(msi, int, 0444);
  63 MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero");
  64
  65 #else /* CONFIG_PCI_MSI */
  66
  67 #define msi_x (0)
  68 #define msi   (0)
  69
  70 #endif /* CONFIG_PCI_MSI */
  71
  72 static const char mthca_version[] __devinitdata =
  73         DRV_NAME ": Mellanox InfiniBand HCA driver v"
  74         DRV_VERSION " (" DRV_RELDATE ")\n";
  75
  76 static struct mthca_profile default_profile = {
  77         .num_qp            = 1 << 16,
  78         .rdb_per_qp        = 4,
  79         .num_cq            = 1 << 16,
  80         .num_mcg           = 1 << 13,
  81         .num_mpt           = 1 << 17,
  82         .num_mtt           = 1 << 20,
  83         .num_udav          = 1 << 15,   /* Tavor only */
  84         .fmr_reserved_mtts = 1 << 18,   /* Tavor only */
  85         .uarc_size         = 1 << 18,   /* Arbel only */
  86 };
  87
  88 static int __devinit mthca_tune_pci(struct mthca_dev *mdev)
  89 {
  90         int cap;
  91         u16 val;
  92
  93         /* First try to max out Read Byte Count */
  94         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX);
  95         if (cap) {
  96                 if (pci_read_config_word(mdev->pdev, cap + PCI_X_CMD, &val)) {
  97                         mthca_err(mdev, "Couldn't read PCI-X command register, "
  98                                   "aborting.\n");
  99                         return -ENODEV;
 100                 }
 101                 val = (val & ~PCI_X_CMD_MAX_READ) | (3 << 2);
 102                 if (pci_write_config_word(mdev->pdev, cap + PCI_X_CMD, val)) {
 103                         mthca_err(mdev, "Couldn't write PCI-X command register, "
 104                                   "aborting.\n");
 105                         return -ENODEV;
 106                 }
 107         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 108                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 109
 110         cap = pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP);
 111         if (cap) {
 112                 if (pci_read_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, &val)) {
 113                         mthca_err(mdev, "Couldn't read PCI Express device control "
 114                                   "register, aborting.\n");
 115                         return -ENODEV;
 116                 }
 117                 val = (val & ~PCI_EXP_DEVCTL_READRQ) | (5 << 12);
 118                 if (pci_write_config_word(mdev->pdev, cap + PCI_EXP_DEVCTL, val)) {
 119                         mthca_err(mdev, "Couldn't write PCI Express device control "
 120                                   "register, aborting.\n");
 121                         return -ENODEV;
 122                 }
 123         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 124                 mthca_info(mdev, "No PCI Express capability, "
 125                            "not setting Max Read Request Size.\n");
 126
 127         return 0;
 128 }
 129
 130 static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 131 {
 132         int err;
 133         u8 status;
 134
 135         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 136         if (err) {
 137                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 138                 return err;
 139         }
 140         if (status) {
 141                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 142                           "aborting.\n", status);
 143                 return -EINVAL;
 144         }
 145         if (dev_lim->min_page_sz > PAGE_SIZE) {
 146                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 147                           "kernel PAGE_SIZE of %ld, aborting.\n",
 148                           dev_lim->min_page_sz, PAGE_SIZE);
 149                 return -ENODEV;
 150         }
 151         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 152                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 153                           "aborting.\n",
 154                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 155                 return -ENODEV;
 156         }
 157
 158         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
 159                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
 160                           "PCI resource 2 size of 0x%lx, aborting.\n",
 161                           dev_lim->uar_size, pci_resource_len(mdev->pdev, 2));
 162                 return -ENODEV;
 163         }
 164
 165         mdev->limits.num_ports          = dev_lim->num_ports;
 166         mdev->limits.vl_cap             = dev_lim->max_vl;
 167         mdev->limits.mtu_cap            = dev_lim->max_mtu;
 168         mdev->limits.gid_table_len      = dev_lim->max_gids;
 169         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
 170         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
 171         mdev->limits.max_sg             = dev_lim->max_sg;
 172         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
 173         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
 174         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
 175         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
 176         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
 177         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
 178         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
 179         /*
 180          * Subtract 1 from the limit because we need to allocate a
 181          * spare CQE so the HCA HW can tell the difference between an
 182          * empty CQ and a full CQ.
 183          */
 184         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 185         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 186         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 187         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 188         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 189         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 190         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 191         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 192         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 193         mdev->limits.flags              = dev_lim->flags;
 194
 195         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 196            May be doable since hardware supports it for SRQ.
 197
 198            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 199
 200            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 201            supported by driver. */
 202         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 203                 IB_DEVICE_PORT_ACTIVE_EVENT |
 204                 IB_DEVICE_SYS_IMAGE_GUID |
 205                 IB_DEVICE_RC_RNR_NAK_GEN;
 206
 207         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 208                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 209
 210         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 211                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 212
 213         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 214                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 215
 216         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 217                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 218
 219         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 220                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 221
 222         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 223                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 224
 225         return 0;
 226 }
 227
 228 static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
 229 {
 230         u8 status;
 231         int err;
 232         struct mthca_dev_lim        dev_lim;
 233         struct mthca_profile        profile;
 234         struct mthca_init_hca_param init_hca;
 235
 236         err = mthca_SYS_EN(mdev, &status);
 237         if (err) {
 238                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 239                 return err;
 240         }
 241         if (status) {
 242                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 243                           "aborting.\n", status);
 244                 return -EINVAL;
 245         }
 246
 247         err = mthca_QUERY_FW(mdev, &status);
 248         if (err) {
 249                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 250                 goto err_disable;
 251         }
 252         if (status) {
 253                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 254                           "aborting.\n", status);
 255                 err = -EINVAL;
 256                 goto err_disable;
 257         }
 258         err = mthca_QUERY_DDR(mdev, &status);
 259         if (err) {
 260                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 261                 goto err_disable;
 262         }
 263         if (status) {
 264                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 265                           "aborting.\n", status);
 266                 err = -EINVAL;
 267                 goto err_disable;
 268         }
 269
 270         err = mthca_dev_lim(mdev, &dev_lim);
 271         if (err) {
 272                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 273                 goto err_disable;
 274         }
 275
 276         profile = default_profile;
 277         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 278         profile.uarc_size = 0;
 279         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 280                 profile.num_srq = dev_lim.max_srqs;
 281
 282         err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 283         if (err < 0)
 284                 goto err_disable;
 285
 286         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 287         if (err) {
 288                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 289                 goto err_disable;
 290         }
 291         if (status) {
 292                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 293                           "aborting.\n", status);
 294                 err = -EINVAL;
 295                 goto err_disable;
 296         }
 297
 298         return 0;
 299
 300 err_disable:
 301         mthca_SYS_DIS(mdev, &status);
 302
 303         return err;
 304 }
 305
 306 static int __devinit mthca_load_fw(struct mthca_dev *mdev)
 307 {
 308         u8 status;
 309         int err;
 310
 311         /* FIXME: use HCA-attached memory for FW if present */
 312
 313         mdev->fw.arbel.fw_icm =
 314                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 315                                 GFP_HIGHUSER | __GFP_NOWARN);
 316         if (!mdev->fw.arbel.fw_icm) {
 317                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 318                 return -ENOMEM;
 319         }
 320
 321         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 322         if (err) {
 323                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 324                 goto err_free;
 325         }
 326         if (status) {
 327                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 328                 err = -EINVAL;
 329                 goto err_free;
 330         }
 331         err = mthca_RUN_FW(mdev, &status);
 332         if (err) {
 333                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 334                 goto err_unmap_fa;
 335         }
 336         if (status) {
 337                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 338                 err = -EINVAL;
 339                 goto err_unmap_fa;
 340         }
 341
 342         return 0;
 343
 344 err_unmap_fa:
 345         mthca_UNMAP_FA(mdev, &status);
 346
 347 err_free:
 348         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 349         return err;
 350 }
 351
 352 static int __devinit mthca_init_icm(struct mthca_dev *mdev,
 353                                     struct mthca_dev_lim *dev_lim,
 354                                     struct mthca_init_hca_param *init_hca,
 355                                     u64 icm_size)
 356 {
 357         u64 aux_pages;
 358         u8 status;
 359         int err;
 360
 361         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 362         if (err) {
 363                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 364                 return err;
 365         }
 366         if (status) {
 367                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 368                           "aborting.\n", status);
 369                 return -EINVAL;
 370         }
 371
 372         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 373                   (unsigned long long) icm_size >> 10,
 374                   (unsigned long long) aux_pages << 2);
 375
 376         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 377                                                  GFP_HIGHUSER | __GFP_NOWARN);
 378         if (!mdev->fw.arbel.aux_icm) {
 379                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 380                 return -ENOMEM;
 381         }
 382
 383         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 384         if (err) {
 385                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 386                 goto err_free_aux;
 387         }
 388         if (status) {
 389                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 390                 err = -EINVAL;
 391                 goto err_free_aux;
 392         }
 393
 394         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 395         if (err) {
 396                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 397                 goto err_unmap_aux;
 398         }
 399
 400         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 401                                                          MTHCA_MTT_SEG_SIZE,
 402                                                          mdev->limits.num_mtt_segs,
 403                                                          mdev->limits.reserved_mtts, 1);
 404         if (!mdev->mr_table.mtt_table) {
 405                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 406                 err = -ENOMEM;
 407                 goto err_unmap_eq;
 408         }
 409
 410         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 411                                                          dev_lim->mpt_entry_sz,
 412                                                          mdev->limits.num_mpts,
 413                                                          mdev->limits.reserved_mrws, 1);
 414         if (!mdev->mr_table.mpt_table) {
 415                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 416                 err = -ENOMEM;
 417                 goto err_unmap_mtt;
 418         }
 419
 420         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 421                                                         dev_lim->qpc_entry_sz,
 422                                                         mdev->limits.num_qps,
 423                                                         mdev->limits.reserved_qps, 0);
 424         if (!mdev->qp_table.qp_table) {
 425                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 426                 err = -ENOMEM;
 427                 goto err_unmap_mpt;
 428         }
 429
 430         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 431                                                          dev_lim->eqpc_entry_sz,
 432                                                          mdev->limits.num_qps,
 433                                                          mdev->limits.reserved_qps, 0);
 434         if (!mdev->qp_table.eqp_table) {
 435                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 436                 err = -ENOMEM;
 437                 goto err_unmap_qp;
 438         }
 439
 440         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 441                                                          MTHCA_RDB_ENTRY_SIZE,
 442                                                          mdev->limits.num_qps <<
 443                                                          mdev->qp_table.rdb_shift,
 444                                                          0, 0);
 445         if (!mdev->qp_table.rdb_table) {
 446                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 447                 err = -ENOMEM;
 448                 goto err_unmap_eqp;
 449         }
 450
 451        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 452                                                     dev_lim->cqc_entry_sz,
 453                                                     mdev->limits.num_cqs,
 454                                                     mdev->limits.reserved_cqs, 0);
 455         if (!mdev->cq_table.table) {
 456                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 457                 err = -ENOMEM;
 458                 goto err_unmap_rdb;
 459         }
 460
 461         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 462                 mdev->srq_table.table =
 463                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 464                                               dev_lim->srq_entry_sz,
 465                                               mdev->limits.num_srqs,
 466                                               mdev->limits.reserved_srqs, 0);
 467                 if (!mdev->srq_table.table) {
 468                         mthca_err(mdev, "Failed to map SRQ context memory, "
 469                                   "aborting.\n");
 470                         err = -ENOMEM;
 471                         goto err_unmap_cq;
 472                 }
 473         }
 474
 475         /*
 476          * It's not strictly required, but for simplicity just map the
 477          * whole multicast group table now.  The table isn't very big
 478          * and it's a lot easier than trying to track ref counts.
 479          */
 480         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 481                                                       MTHCA_MGM_ENTRY_SIZE,
 482                                                       mdev->limits.num_mgms +
 483                                                       mdev->limits.num_amgms,
 484                                                       mdev->limits.num_mgms +
 485                                                       mdev->limits.num_amgms,
 486                                                       0);
 487         if (!mdev->mcg_table.table) {
 488                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 489                 err = -ENOMEM;
 490                 goto err_unmap_srq;
 491         }
 492
 493         return 0;
 494
 495 err_unmap_srq:
 496         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 497                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 498
 499 err_unmap_cq:
 500         mthca_free_icm_table(mdev, mdev->cq_table.table);
 501
 502 err_unmap_rdb:
 503         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 504
 505 err_unmap_eqp:
 506         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 507
 508 err_unmap_qp:
 509         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 510
 511 err_unmap_mpt:
 512         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 513
 514 err_unmap_mtt:
 515         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 516
 517 err_unmap_eq:
 518         mthca_unmap_eq_icm(mdev);
 519
 520 err_unmap_aux:
 521         mthca_UNMAP_ICM_AUX(mdev, &status);
 522
 523 err_free_aux:
 524         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 525
 526         return err;
 527 }
 528
 529 static void mthca_free_icms(struct mthca_dev *mdev)
 530 {
 531         u8 status;
 532
 533         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 534         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 535                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 536         mthca_free_icm_table(mdev, mdev->cq_table.table);
 537         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 538         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 539         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 540         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 541         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 542         mthca_unmap_eq_icm(mdev);
 543
 544         mthca_UNMAP_ICM_AUX(mdev, &status);
 545         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
 546 }
 547
 548 static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
 549 {
 550         struct mthca_dev_lim        dev_lim;
 551         struct mthca_profile        profile;
 552         struct mthca_init_hca_param init_hca;
 553         u64 icm_size;
 554         u8 status;
 555         int err;
 556
 557         err = mthca_QUERY_FW(mdev, &status);
 558         if (err) {
 559                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 560                 return err;
 561         }
 562         if (status) {
 563                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 564                           "aborting.\n", status);
 565                 return -EINVAL;
 566         }
 567
 568         err = mthca_ENABLE_LAM(mdev, &status);
 569         if (err) {
 570                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 571                 return err;
 572         }
 573         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 574                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 575                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 576         } else if (status) {
 577                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 578                           "aborting.\n", status);
 579                 return -EINVAL;
 580         }
 581
 582         err = mthca_load_fw(mdev);
 583         if (err) {
 584                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 585                 goto err_disable;
 586         }
 587
 588         err = mthca_dev_lim(mdev, &dev_lim);
 589         if (err) {
 590                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 591                 goto err_stop_fw;
 592         }
 593
 594         profile = default_profile;
 595         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 596         profile.num_udav = 0;
 597         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 598                 profile.num_srq = dev_lim.max_srqs;
 599
 600         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 601         if ((int) icm_size < 0) {
 602                 err = icm_size;
 603                 goto err_stop_fw;
 604         }
 605
 606         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 607         if (err)
 608                 goto err_stop_fw;
 609
 610         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 611         if (err) {
 612                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 613                 goto err_free_icm;
 614         }
 615         if (status) {
 616                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 617                           "aborting.\n", status);
 618                 err = -EINVAL;
 619                 goto err_free_icm;
 620         }
 621
 622         return 0;
 623
 624 err_free_icm:
 625         mthca_free_icms(mdev);
 626
 627 err_stop_fw:
 628         mthca_UNMAP_FA(mdev, &status);
 629         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 630
 631 err_disable:
 632         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 633                 mthca_DISABLE_LAM(mdev, &status);
 634
 635         return err;
 636 }
 637
 638 static void mthca_close_hca(struct mthca_dev *mdev)
 639 {
 640         u8 status;
 641
 642         mthca_CLOSE_HCA(mdev, 0, &status);
 643
 644         if (mthca_is_memfree(mdev)) {
 645                 mthca_free_icms(mdev);
 646
 647                 mthca_UNMAP_FA(mdev, &status);
 648                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
 649
 650                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 651                         mthca_DISABLE_LAM(mdev, &status);
 652         } else
 653                 mthca_SYS_DIS(mdev, &status);
 654 }
 655
 656 static int __devinit mthca_init_hca(struct mthca_dev *mdev)
 657 {
 658         u8 status;
 659         int err;
 660         struct mthca_adapter adapter;
 661
 662         if (mthca_is_memfree(mdev))
 663                 err = mthca_init_arbel(mdev);
 664         else
 665                 err = mthca_init_tavor(mdev);
 666
 667         if (err)
 668                 return err;
 669
 670         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 671         if (err) {
 672                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 673                 goto err_close;
 674         }
 675         if (status) {
 676                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 677                           "aborting.\n", status);
 678                 err = -EINVAL;
 679                 goto err_close;
 680         }
 681
 682         mdev->eq_table.inta_pin = adapter.inta_pin;
 683         mdev->rev_id            = adapter.revision_id;
 684         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 685
 686         return 0;
 687
 688 err_close:
 689         mthca_close_hca(mdev);
 690         return err;
 691 }
 692
 693 static int __devinit mthca_setup_hca(struct mthca_dev *dev)
 694 {
 695         int err;
 696         u8 status;
 697
 698         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 699
 700         err = mthca_init_uar_table(dev);
 701         if (err) {
 702                 mthca_err(dev, "Failed to initialize "
 703                           "user access region table, aborting.\n");
 704                 return err;
 705         }
 706
 707         err = mthca_uar_alloc(dev, &dev->driver_uar);
 708         if (err) {
 709                 mthca_err(dev, "Failed to allocate driver access region, "
 710                           "aborting.\n");
 711                 goto err_uar_table_free;
 712         }
 713
 714         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 715         if (!dev->kar) {
 716                 mthca_err(dev, "Couldn't map kernel access region, "
 717                           "aborting.\n");
 718                 err = -ENOMEM;
 719                 goto err_uar_free;
 720         }
 721
 722         err = mthca_init_pd_table(dev);
 723         if (err) {
 724                 mthca_err(dev, "Failed to initialize "
 725                           "protection domain table, aborting.\n");
 726                 goto err_kar_unmap;
 727         }
 728
 729         err = mthca_init_mr_table(dev);
 730         if (err) {
 731                 mthca_err(dev, "Failed to initialize "
 732                           "memory region table, aborting.\n");
 733                 goto err_pd_table_free;
 734         }
 735
 736         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 737         if (err) {
 738                 mthca_err(dev, "Failed to create driver PD, "
 739                           "aborting.\n");
 740                 goto err_mr_table_free;
 741         }
 742
 743         err = mthca_init_eq_table(dev);
 744         if (err) {
 745                 mthca_err(dev, "Failed to initialize "
 746                           "event queue table, aborting.\n");
 747                 goto err_pd_free;
 748         }
 749
 750         err = mthca_cmd_use_events(dev);
 751         if (err) {
 752                 mthca_err(dev, "Failed to switch to event-driven "
 753                           "firmware commands, aborting.\n");
 754                 goto err_eq_table_free;
 755         }
 756
 757         err = mthca_NOP(dev, &status);
 758         if (err || status) {
 759                 mthca_err(dev, "NOP command failed to generate interrupt (IRQ %d), aborting.\n",
 760                           dev->mthca_flags & MTHCA_FLAG_MSI_X ?
 761                           dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
 762                           dev->pdev->irq);
 763                 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))
 764                         mthca_err(dev, "Try again with MSI/MSI-X disabled.\n");
 765                 else
 766                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 767
 768                 goto err_cmd_poll;
 769         }
 770
 771         mthca_dbg(dev, "NOP command IRQ test passed\n");
 772
 773         err = mthca_init_cq_table(dev);
 774         if (err) {
 775                 mthca_err(dev, "Failed to initialize "
 776                           "completion queue table, aborting.\n");
 777                 goto err_cmd_poll;
 778         }
 779
 780         err = mthca_init_srq_table(dev);
 781         if (err) {
 782                 mthca_err(dev, "Failed to initialize "
 783                           "shared receive queue table, aborting.\n");
 784                 goto err_cq_table_free;
 785         }
 786
 787         err = mthca_init_qp_table(dev);
 788         if (err) {
 789                 mthca_err(dev, "Failed to initialize "
 790                           "queue pair table, aborting.\n");
 791                 goto err_srq_table_free;
 792         }
 793
 794         err = mthca_init_av_table(dev);
 795         if (err) {
 796                 mthca_err(dev, "Failed to initialize "
 797                           "address vector table, aborting.\n");
 798                 goto err_qp_table_free;
 799         }
 800
 801         err = mthca_init_mcg_table(dev);
 802         if (err) {
 803                 mthca_err(dev, "Failed to initialize "
 804                           "multicast group table, aborting.\n");
 805                 goto err_av_table_free;
 806         }
 807
 808         return 0;
 809
 810 err_av_table_free:
 811         mthca_cleanup_av_table(dev);
 812
 813 err_qp_table_free:
 814         mthca_cleanup_qp_table(dev);
 815
 816 err_srq_table_free:
 817         mthca_cleanup_srq_table(dev);
 818
 819 err_cq_table_free:
 820         mthca_cleanup_cq_table(dev);
 821
 822 err_cmd_poll:
 823         mthca_cmd_use_polling(dev);
 824
 825 err_eq_table_free:
 826         mthca_cleanup_eq_table(dev);
 827
 828 err_pd_free:
 829         mthca_pd_free(dev, &dev->driver_pd);
 830
 831 err_mr_table_free:
 832         mthca_cleanup_mr_table(dev);
 833
 834 err_pd_table_free:
 835         mthca_cleanup_pd_table(dev);
 836
 837 err_kar_unmap:
 838         iounmap(dev->kar);
 839
 840 err_uar_free:
 841         mthca_uar_free(dev, &dev->driver_uar);
 842
 843 err_uar_table_free:
 844         mthca_cleanup_uar_table(dev);
 845         return err;
 846 }
 847
 848 static int __devinit mthca_request_regions(struct pci_dev *pdev,
 849                                            int ddr_hidden)
 850 {
 851         int err;
 852
 853         /*
 854          * We can't just use pci_request_regions() because the MSI-X
 855          * table is right in the middle of the first BAR.  If we did
 856          * pci_request_region and grab all of the first BAR, then
 857          * setting up MSI-X would fail, since the PCI core wants to do
 858          * request_mem_region on the MSI-X vector table.
 859          *
 860          * So just request what we need right now, and request any
 861          * other regions we need when setting up EQs.
 862          */
 863         if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 864                                 MTHCA_HCR_SIZE, DRV_NAME))
 865                 return -EBUSY;
 866
 867         err = pci_request_region(pdev, 2, DRV_NAME);
 868         if (err)
 869                 goto err_bar2_failed;
 870
 871         if (!ddr_hidden) {
 872                 err = pci_request_region(pdev, 4, DRV_NAME);
 873                 if (err)
 874                         goto err_bar4_failed;
 875         }
 876
 877         return 0;
 878
 879 err_bar4_failed:
 880         pci_release_region(pdev, 2);
 881
 882 err_bar2_failed:
 883         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 884                            MTHCA_HCR_SIZE);
 885
 886         return err;
 887 }
 888
 889 static void mthca_release_regions(struct pci_dev *pdev,
 890                                   int ddr_hidden)
 891 {
 892         if (!ddr_hidden)
 893                 pci_release_region(pdev, 4);
 894
 895         pci_release_region(pdev, 2);
 896
 897         release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
 898                            MTHCA_HCR_SIZE);
 899 }
 900
 901 static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
 902 {
 903         struct msix_entry entries[3];
 904         int err;
 905
 906         entries[0].entry = 0;
 907         entries[1].entry = 1;
 908         entries[2].entry = 2;
 909
 910         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 911         if (err) {
 912                 if (err > 0)
 913                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 914                                    "not using MSI-X\n", err);
 915                 return err;
 916         }
 917
 918         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 919         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 920         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 921
 922         return 0;
 923 }
 924
 925 /* Types of supported HCA */
 926 enum {
 927         TAVOR,                  /* MT23108                        */
 928         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 929         ARBEL_NATIVE,           /* MT25208 with extended features */
 930         SINAI                   /* MT25204 */
 931 };
 932
 933 #define MTHCA_FW_VER(major, minor, subminor) \
 934         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 935
 936 static struct {
 937         u64 latest_fw;
 938         int is_memfree;
 939         int is_pcie;
 940 } mthca_hca_table[] = {
 941         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 3, 3), .is_memfree = 0, .is_pcie = 0 },
 942         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 0), .is_memfree = 0, .is_pcie = 1 },
 943         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0), .is_memfree = 1, .is_pcie = 1 },
 944         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 0, 1), .is_memfree = 1, .is_pcie = 1 }
 945 };
 946
 947 static int __devinit mthca_init_one(struct pci_dev *pdev,
 948                                     const struct pci_device_id *id)
 949 {
 950         static int mthca_version_printed = 0;
 951         int ddr_hidden = 0;
 952         int err;
 953         struct mthca_dev *mdev;
 954
 955         if (!mthca_version_printed) {
 956                 printk(KERN_INFO "%s", mthca_version);
 957                 ++mthca_version_printed;
 958         }
 959
 960         printk(KERN_INFO PFX "Initializing %s\n",
 961                pci_name(pdev));
 962
 963         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
 964                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
 965                        pci_name(pdev), id->driver_data);
 966                 return -ENODEV;
 967         }
 968
 969         err = pci_enable_device(pdev);
 970         if (err) {
 971                 dev_err(&pdev->dev, "Cannot enable PCI device, "
 972                         "aborting.\n");
 973                 return err;
 974         }
 975
 976         /*
 977          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
 978          * be present)
 979          */
 980         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
 981             pci_resource_len(pdev, 0) != 1 << 20) {
 982                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
 983                 err = -ENODEV;
 984                 goto err_disable_pdev;
 985         }
 986         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
 987                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
 988                 err = -ENODEV;
 989                 goto err_disable_pdev;
 990         }
 991         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
 992                 ddr_hidden = 1;
 993
 994         err = mthca_request_regions(pdev, ddr_hidden);
 995         if (err) {
 996                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
 997                         "aborting.\n");
 998                 goto err_disable_pdev;
 999         }
1000
1001         pci_set_master(pdev);
1002
1003         err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1004         if (err) {
1005                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1006                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1007                 if (err) {
1008                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1009                         goto err_free_res;
1010                 }
1011         }
1012         err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1013         if (err) {
1014                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1015                          "consistent PCI DMA mask.\n");
1016                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1017                 if (err) {
1018                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1019                                 "aborting.\n");
1020                         goto err_free_res;
1021                 }
1022         }
1023
1024         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1025         if (!mdev) {
1026                 dev_err(&pdev->dev, "Device struct alloc failed, "
1027                         "aborting.\n");
1028                 err = -ENOMEM;
1029                 goto err_free_res;
1030         }
1031
1032         mdev->pdev = pdev;
1033
1034         if (ddr_hidden)
1035                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1036         if (mthca_hca_table[id->driver_data].is_memfree)
1037                 mdev->mthca_flags |= MTHCA_FLAG_MEMFREE;
1038         if (mthca_hca_table[id->driver_data].is_pcie)
1039                 mdev->mthca_flags |= MTHCA_FLAG_PCIE;
1040
1041         /*
1042          * Now reset the HCA before we touch the PCI capabilities or
1043          * attempt a firmware command, since a boot ROM may have left
1044          * the HCA in an undefined state.
1045          */
1046         err = mthca_reset(mdev);
1047         if (err) {
1048                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1049                 goto err_free_dev;
1050         }
1051
1052         if (msi_x && !mthca_enable_msi_x(mdev))
1053                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1054         if (msi && !(mdev->mthca_flags & MTHCA_FLAG_MSI_X) &&
1055             !pci_enable_msi(pdev))
1056                 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1057
1058         if (mthca_cmd_init(mdev)) {
1059                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1060                 goto err_free_dev;
1061         }
1062
1063         err = mthca_tune_pci(mdev);
1064         if (err)
1065                 goto err_cmd;
1066
1067         err = mthca_init_hca(mdev);
1068         if (err)
1069                 goto err_cmd;
1070
1071         if (mdev->fw_ver < mthca_hca_table[id->driver_data].latest_fw) {
1072                 mthca_warn(mdev, "HCA FW version %d.%d.%d is old (%d.%d.%d is current).\n",
1073                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1074                            (int) (mdev->fw_ver & 0xffff),
1075                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 32),
1076                            (int) (mthca_hca_table[id->driver_data].latest_fw >> 16) & 0xffff,
1077                            (int) (mthca_hca_table[id->driver_data].latest_fw & 0xffff));
1078                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1079         }
1080
1081         err = mthca_setup_hca(mdev);
1082         if (err)
1083                 goto err_close;
1084
1085         err = mthca_register_device(mdev);
1086         if (err)
1087                 goto err_cleanup;
1088
1089         err = mthca_create_agents(mdev);
1090         if (err)
1091                 goto err_unregister;
1092
1093         pci_set_drvdata(pdev, mdev);
1094
1095         return 0;
1096
1097 err_unregister:
1098         mthca_unregister_device(mdev);
1099
1100 err_cleanup:
1101         mthca_cleanup_mcg_table(mdev);
1102         mthca_cleanup_av_table(mdev);
1103         mthca_cleanup_qp_table(mdev);
1104         mthca_cleanup_srq_table(mdev);
1105         mthca_cleanup_cq_table(mdev);
1106         mthca_cmd_use_polling(mdev);
1107         mthca_cleanup_eq_table(mdev);
1108
1109         mthca_pd_free(mdev, &mdev->driver_pd);
1110
1111         mthca_cleanup_mr_table(mdev);
1112         mthca_cleanup_pd_table(mdev);
1113         mthca_cleanup_uar_table(mdev);
1114
1115 err_close:
1116         mthca_close_hca(mdev);
1117
1118 err_cmd:
1119         mthca_cmd_cleanup(mdev);
1120
1121 err_free_dev:
1122         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1123                 pci_disable_msix(pdev);
1124         if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1125                 pci_disable_msi(pdev);
1126
1127         ib_dealloc_device(&mdev->ib_dev);
1128
1129 err_free_res:
1130         mthca_release_regions(pdev, ddr_hidden);
1131
1132 err_disable_pdev:
1133         pci_disable_device(pdev);
1134         pci_set_drvdata(pdev, NULL);
1135         return err;
1136 }
1137
1138 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1139 {
1140         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1141         u8 status;
1142         int p;
1143
1144         if (mdev) {
1145                 mthca_free_agents(mdev);
1146                 mthca_unregister_device(mdev);
1147
1148                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1149                         mthca_CLOSE_IB(mdev, p, &status);
1150
1151                 mthca_cleanup_mcg_table(mdev);
1152                 mthca_cleanup_av_table(mdev);
1153                 mthca_cleanup_qp_table(mdev);
1154                 mthca_cleanup_srq_table(mdev);
1155                 mthca_cleanup_cq_table(mdev);
1156                 mthca_cmd_use_polling(mdev);
1157                 mthca_cleanup_eq_table(mdev);
1158
1159                 mthca_pd_free(mdev, &mdev->driver_pd);
1160
1161                 mthca_cleanup_mr_table(mdev);
1162                 mthca_cleanup_pd_table(mdev);
1163
1164                 iounmap(mdev->kar);
1165                 mthca_uar_free(mdev, &mdev->driver_uar);
1166                 mthca_cleanup_uar_table(mdev);
1167                 mthca_close_hca(mdev);
1168                 mthca_cmd_cleanup(mdev);
1169
1170                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1171                         pci_disable_msix(pdev);
1172                 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1173                         pci_disable_msi(pdev);
1174
1175                 ib_dealloc_device(&mdev->ib_dev);
1176                 mthca_release_regions(pdev, mdev->mthca_flags &
1177                                       MTHCA_FLAG_DDR_HIDDEN);
1178                 pci_disable_device(pdev);
1179                 pci_set_drvdata(pdev, NULL);
1180         }
1181 }
1182
1183 static struct pci_device_id mthca_pci_table[] = {
1184         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1185           .driver_data = TAVOR },
1186         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1187           .driver_data = TAVOR },
1188         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1189           .driver_data = ARBEL_COMPAT },
1190         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1191           .driver_data = ARBEL_COMPAT },
1192         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1193           .driver_data = ARBEL_NATIVE },
1194         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1195           .driver_data = ARBEL_NATIVE },
1196         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1197           .driver_data = SINAI },
1198         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1199           .driver_data = SINAI },
1200         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1201           .driver_data = SINAI },
1202         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1203           .driver_data = SINAI },
1204         { 0, }
1205 };
1206
1207 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1208
1209 static struct pci_driver mthca_driver = {
1210         .name           = DRV_NAME,
1211         .id_table       = mthca_pci_table,
1212         .probe          = mthca_init_one,
1213         .remove         = __devexit_p(mthca_remove_one)
1214 };
1215
1216 static int __init mthca_init(void)
1217 {
1218         int ret;
1219
1220         ret = pci_register_driver(&mthca_driver);
1221         return ret < 0 ? ret : 0;
1222 }
1223
1224 static void __exit mthca_cleanup(void)
1225 {
1226         pci_unregister_driver(&mthca_driver);
1227 }
1228
1229 module_init(mthca_init);
1230 module_exit(mthca_cleanup);