sys/ofed/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
  35 #include <linux/module.h>
  36 #include <linux/errno.h>
  37 #include <linux/pci.h>
  38 #include <linux/interrupt.h>
  39
  40 #include "mthca_dev.h"
  41 #include "mthca_config_reg.h"
  42 #include "mthca_cmd.h"
  43 #include "mthca_profile.h"
  44 #include "mthca_memfree.h"
  45 #include "mthca_wqe.h"
  46
  47 MODULE_AUTHOR("Roland Dreier");
  48 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
  49 MODULE_LICENSE("Dual BSD/GPL");
  50 MODULE_VERSION(DRV_VERSION);
  51
  52 #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
  53
  54 int mthca_debug_level = 0;
  55 module_param_named(debug_level, mthca_debug_level, int, 0644);
  56 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
  57
  58 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
  59
  60 #ifdef CONFIG_PCI_MSI
  61
  62 static int msi_x = 1;
  63 module_param(msi_x, int, 0444);
  64 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
  65
  66 #else /* CONFIG_PCI_MSI */
  67
  68 #define msi_x (0)
  69
  70 #endif /* CONFIG_PCI_MSI */
  71
  72 static int tune_pci = 0;
  73 module_param(tune_pci, int, 0444);
  74 MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
  75
  76 DEFINE_MUTEX(mthca_device_mutex);
  77
  78 #define MTHCA_DEFAULT_NUM_QP            (1 << 16)
  79 #define MTHCA_DEFAULT_RDB_PER_QP        (1 << 2)
  80 #define MTHCA_DEFAULT_NUM_CQ            (1 << 16)
  81 #define MTHCA_DEFAULT_NUM_MCG           (1 << 13)
  82 #define MTHCA_DEFAULT_NUM_MPT           (1 << 17)
  83 #define MTHCA_DEFAULT_NUM_MTT           (1 << 20)
  84 #define MTHCA_DEFAULT_NUM_UDAV          (1 << 15)
  85 #define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18)
  86 #define MTHCA_DEFAULT_NUM_UARC_SIZE     (1 << 18)
  87
  88 static struct mthca_profile hca_profile = {
  89         .num_qp             = MTHCA_DEFAULT_NUM_QP,
  90         .rdb_per_qp         = MTHCA_DEFAULT_RDB_PER_QP,
  91         .num_cq             = MTHCA_DEFAULT_NUM_CQ,
  92         .num_mcg            = MTHCA_DEFAULT_NUM_MCG,
  93         .num_mpt            = MTHCA_DEFAULT_NUM_MPT,
  94         .num_mtt            = MTHCA_DEFAULT_NUM_MTT,
  95         .num_udav           = MTHCA_DEFAULT_NUM_UDAV,          /* Tavor only */
  96         .fmr_reserved_mtts  = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */
  97         .uarc_size          = MTHCA_DEFAULT_NUM_UARC_SIZE,     /* Arbel only */
  98 };
  99
 100 module_param_named(num_qp, hca_profile.num_qp, int, 0444);
 101 MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA");
 102
 103 module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444);
 104 MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP");
 105
 106 module_param_named(num_cq, hca_profile.num_cq, int, 0444);
 107 MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA");
 108
 109 module_param_named(num_mcg, hca_profile.num_mcg, int, 0444);
 110 MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA");
 111
 112 module_param_named(num_mpt, hca_profile.num_mpt, int, 0444);
 113 MODULE_PARM_DESC(num_mpt,
 114                 "maximum number of memory protection table entries per HCA");
 115
 116 module_param_named(num_mtt, hca_profile.num_mtt, int, 0444);
 117 MODULE_PARM_DESC(num_mtt,
 118                  "maximum number of memory translation table segments per HCA");
 119
 120 module_param_named(num_udav, hca_profile.num_udav, int, 0444);
 121 MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA");
 122
 123 module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
 124 MODULE_PARM_DESC(fmr_reserved_mtts,
 125                  "number of memory translation table segments reserved for FMR");
 126
 127 static int log_mtts_per_seg;
 128 module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
 129 MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
 130
 131 static char mthca_version[] __devinitdata =
 132         DRV_NAME ": Mellanox InfiniBand HCA driver v"
 133         DRV_VERSION " (" DRV_RELDATE ")\n";
 134
 135 static int mthca_tune_pci(struct mthca_dev *mdev)
 136 {
 137         if (!tune_pci)
 138                 return 0;
 139
 140         /* First try to max out Read Byte Count */
 141         if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) {
 142                 if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) {
 143                         mthca_err(mdev, "Couldn't set PCI-X max read count, "
 144                                 "aborting.\n");
 145                         return -ENODEV;
 146                 }
 147         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
 148                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
 149
 150         if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) {
 151                 if (pcie_set_readrq(mdev->pdev, 4096)) {
 152                         mthca_err(mdev, "Couldn't write PCI Express read request, "
 153                                 "aborting.\n");
 154                         return -ENODEV;
 155                 }
 156         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
 157                 mthca_info(mdev, "No PCI Express capability, "
 158                            "not setting Max Read Request Size.\n");
 159
 160         return 0;
 161 }
 162
 163 static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
 164 {
 165         int err;
 166         u8 status;
 167
 168         mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8;
 169         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
 170         if (err) {
 171                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 172                 return err;
 173         }
 174         if (status) {
 175                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
 176                           "aborting.\n", status);
 177                 return -EINVAL;
 178         }
 179         if (dev_lim->min_page_sz > PAGE_SIZE) {
 180                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
 181                           "kernel PAGE_SIZE of %d, aborting.\n",
 182                           dev_lim->min_page_sz, PAGE_SIZE);
 183                 return -ENODEV;
 184         }
 185         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
 186                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
 187                           "aborting.\n",
 188                           dev_lim->num_ports, MTHCA_MAX_PORTS);
 189                 return -ENODEV;
 190         }
 191
 192         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
 193                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
 194                           "PCI resource 2 size of 0x%llx, aborting.\n",
 195                           dev_lim->uar_size,
 196                           (unsigned long long)pci_resource_len(mdev->pdev, 2));
 197                 return -ENODEV;
 198         }
 199
 200         mdev->limits.num_ports          = dev_lim->num_ports;
 201         mdev->limits.vl_cap             = dev_lim->max_vl;
 202         mdev->limits.mtu_cap            = dev_lim->max_mtu;
 203         mdev->limits.gid_table_len      = dev_lim->max_gids;
 204         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
 205         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
 206         /*
 207          * Need to allow for worst case send WQE overhead and check
 208          * whether max_desc_sz imposes a lower limit than max_sg; UD
 209          * send has the biggest overhead.
 210          */
 211         mdev->limits.max_sg             = min_t(int, dev_lim->max_sg,
 212                                               (dev_lim->max_desc_sz -
 213                                                sizeof (struct mthca_next_seg) -
 214                                                (mthca_is_memfree(mdev) ?
 215                                                 sizeof (struct mthca_arbel_ud_seg) :
 216                                                 sizeof (struct mthca_tavor_ud_seg))) /
 217                                                 sizeof (struct mthca_data_seg));
 218         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
 219         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
 220         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
 221         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
 222         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
 223         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
 224         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
 225         mdev->limits.max_srq_sge        = mthca_max_srq_sge(mdev);
 226         /*
 227          * Subtract 1 from the limit because we need to allocate a
 228          * spare CQE so the HCA HW can tell the difference between an
 229          * empty CQ and a full CQ.
 230          */
 231         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
 232         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
 233         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
 234         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
 235         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
 236         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
 237         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
 238         mdev->limits.port_width_cap     = dev_lim->max_port_width;
 239         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
 240         mdev->limits.flags              = dev_lim->flags;
 241         /*
 242          * For old FW that doesn't return static rate support, use a
 243          * value of 0x3 (only static rate values of 0 or 1 are handled),
 244          * except on Sinai, where even old FW can handle static rate
 245          * values of 2 and 3.
 246          */
 247         if (dev_lim->stat_rate_support)
 248                 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
 249         else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
 250                 mdev->limits.stat_rate_support = 0xf;
 251         else
 252                 mdev->limits.stat_rate_support = 0x3;
 253
 254         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
 255            May be doable since hardware supports it for SRQ.
 256
 257            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
 258
 259            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
 260            supported by driver. */
 261         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
 262                 IB_DEVICE_PORT_ACTIVE_EVENT |
 263                 IB_DEVICE_SYS_IMAGE_GUID |
 264                 IB_DEVICE_RC_RNR_NAK_GEN;
 265
 266         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
 267                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
 268
 269         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
 270                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
 271
 272         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
 273                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
 274
 275         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
 276                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
 277
 278         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
 279                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
 280
 281         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
 282                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
 283
 284         if (mthca_is_memfree(mdev))
 285                 if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM)
 286                         mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
 287
 288         return 0;
 289 }
 290
 291 static int mthca_init_tavor(struct mthca_dev *mdev)
 292 {
 293         s64 size;
 294         u8 status;
 295         int err;
 296         struct mthca_dev_lim        dev_lim;
 297         struct mthca_profile        profile;
 298         struct mthca_init_hca_param init_hca;
 299
 300         err = mthca_SYS_EN(mdev, &status);
 301         if (err) {
 302                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
 303                 return err;
 304         }
 305         if (status) {
 306                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
 307                           "aborting.\n", status);
 308                 return -EINVAL;
 309         }
 310
 311         err = mthca_QUERY_FW(mdev, &status);
 312         if (err) {
 313                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 314                 goto err_disable;
 315         }
 316         if (status) {
 317                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 318                           "aborting.\n", status);
 319                 err = -EINVAL;
 320                 goto err_disable;
 321         }
 322         err = mthca_QUERY_DDR(mdev, &status);
 323         if (err) {
 324                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
 325                 goto err_disable;
 326         }
 327         if (status) {
 328                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
 329                           "aborting.\n", status);
 330                 err = -EINVAL;
 331                 goto err_disable;
 332         }
 333
 334         err = mthca_dev_lim(mdev, &dev_lim);
 335         if (err) {
 336                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 337                 goto err_disable;
 338         }
 339
 340         profile = hca_profile;
 341         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
 342         profile.uarc_size = 0;
 343         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 344                 profile.num_srq = dev_lim.max_srqs;
 345
 346         size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 347         if (size < 0) {
 348                 err = size;
 349                 goto err_disable;
 350         }
 351
 352         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 353         if (err) {
 354                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 355                 goto err_disable;
 356         }
 357         if (status) {
 358                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 359                           "aborting.\n", status);
 360                 err = -EINVAL;
 361                 goto err_disable;
 362         }
 363
 364         return 0;
 365
 366 err_disable:
 367         mthca_SYS_DIS(mdev, &status);
 368
 369         return err;
 370 }
 371
 372 static int mthca_load_fw(struct mthca_dev *mdev)
 373 {
 374         u8 status;
 375         int err;
 376
 377         /* FIXME: use HCA-attached memory for FW if present */
 378
 379         mdev->fw.arbel.fw_icm =
 380                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
 381                                 GFP_HIGHUSER | __GFP_NOWARN, 0);
 382         if (!mdev->fw.arbel.fw_icm) {
 383                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
 384                 return -ENOMEM;
 385         }
 386
 387         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
 388         if (err) {
 389                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
 390                 goto err_free;
 391         }
 392         if (status) {
 393                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
 394                 err = -EINVAL;
 395                 goto err_free;
 396         }
 397         err = mthca_RUN_FW(mdev, &status);
 398         if (err) {
 399                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
 400                 goto err_unmap_fa;
 401         }
 402         if (status) {
 403                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
 404                 err = -EINVAL;
 405                 goto err_unmap_fa;
 406         }
 407
 408         return 0;
 409
 410 err_unmap_fa:
 411         mthca_UNMAP_FA(mdev, &status);
 412
 413 err_free:
 414         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
 415         return err;
 416 }
 417
 418 static int mthca_init_icm(struct mthca_dev *mdev,
 419                           struct mthca_dev_lim *dev_lim,
 420                           struct mthca_init_hca_param *init_hca,
 421                           u64 icm_size)
 422 {
 423         u64 aux_pages;
 424         u8 status;
 425         int err;
 426
 427         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
 428         if (err) {
 429                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
 430                 return err;
 431         }
 432         if (status) {
 433                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
 434                           "aborting.\n", status);
 435                 return -EINVAL;
 436         }
 437
 438         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
 439                   (unsigned long long) icm_size >> 10,
 440                   (unsigned long long) aux_pages << 2);
 441
 442         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
 443                                                  GFP_HIGHUSER | __GFP_NOWARN, 0);
 444         if (!mdev->fw.arbel.aux_icm) {
 445                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
 446                 return -ENOMEM;
 447         }
 448
 449         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
 450         if (err) {
 451                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
 452                 goto err_free_aux;
 453         }
 454         if (status) {
 455                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
 456                 err = -EINVAL;
 457                 goto err_free_aux;
 458         }
 459
 460         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
 461         if (err) {
 462                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
 463                 goto err_unmap_aux;
 464         }
 465
 466         /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
 467         mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size,
 468                                            dma_get_cache_alignment()) / mdev->limits.mtt_seg_size;
 469
 470         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
 471                                                          mdev->limits.mtt_seg_size,
 472                                                          mdev->limits.num_mtt_segs,
 473                                                          mdev->limits.reserved_mtts,
 474                                                          1, 0);
 475         if (!mdev->mr_table.mtt_table) {
 476                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
 477                 err = -ENOMEM;
 478                 goto err_unmap_eq;
 479         }
 480
 481         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
 482                                                          dev_lim->mpt_entry_sz,
 483                                                          mdev->limits.num_mpts,
 484                                                          mdev->limits.reserved_mrws,
 485                                                          1, 1);
 486         if (!mdev->mr_table.mpt_table) {
 487                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
 488                 err = -ENOMEM;
 489                 goto err_unmap_mtt;
 490         }
 491
 492         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
 493                                                         dev_lim->qpc_entry_sz,
 494                                                         mdev->limits.num_qps,
 495                                                         mdev->limits.reserved_qps,
 496                                                         0, 0);
 497         if (!mdev->qp_table.qp_table) {
 498                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
 499                 err = -ENOMEM;
 500                 goto err_unmap_mpt;
 501         }
 502
 503         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
 504                                                          dev_lim->eqpc_entry_sz,
 505                                                          mdev->limits.num_qps,
 506                                                          mdev->limits.reserved_qps,
 507                                                          0, 0);
 508         if (!mdev->qp_table.eqp_table) {
 509                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
 510                 err = -ENOMEM;
 511                 goto err_unmap_qp;
 512         }
 513
 514         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
 515                                                          MTHCA_RDB_ENTRY_SIZE,
 516                                                          mdev->limits.num_qps <<
 517                                                          mdev->qp_table.rdb_shift, 0,
 518                                                          0, 0);
 519         if (!mdev->qp_table.rdb_table) {
 520                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
 521                 err = -ENOMEM;
 522                 goto err_unmap_eqp;
 523         }
 524
 525        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
 526                                                     dev_lim->cqc_entry_sz,
 527                                                     mdev->limits.num_cqs,
 528                                                     mdev->limits.reserved_cqs,
 529                                                     0, 0);
 530         if (!mdev->cq_table.table) {
 531                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
 532                 err = -ENOMEM;
 533                 goto err_unmap_rdb;
 534         }
 535
 536         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
 537                 mdev->srq_table.table =
 538                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
 539                                               dev_lim->srq_entry_sz,
 540                                               mdev->limits.num_srqs,
 541                                               mdev->limits.reserved_srqs,
 542                                               0, 0);
 543                 if (!mdev->srq_table.table) {
 544                         mthca_err(mdev, "Failed to map SRQ context memory, "
 545                                   "aborting.\n");
 546                         err = -ENOMEM;
 547                         goto err_unmap_cq;
 548                 }
 549         }
 550
 551         /*
 552          * It's not strictly required, but for simplicity just map the
 553          * whole multicast group table now.  The table isn't very big
 554          * and it's a lot easier than trying to track ref counts.
 555          */
 556         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
 557                                                       MTHCA_MGM_ENTRY_SIZE,
 558                                                       mdev->limits.num_mgms +
 559                                                       mdev->limits.num_amgms,
 560                                                       mdev->limits.num_mgms +
 561                                                       mdev->limits.num_amgms,
 562                                                       0, 0);
 563         if (!mdev->mcg_table.table) {
 564                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
 565                 err = -ENOMEM;
 566                 goto err_unmap_srq;
 567         }
 568
 569         return 0;
 570
 571 err_unmap_srq:
 572         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 573                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 574
 575 err_unmap_cq:
 576         mthca_free_icm_table(mdev, mdev->cq_table.table);
 577
 578 err_unmap_rdb:
 579         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 580
 581 err_unmap_eqp:
 582         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 583
 584 err_unmap_qp:
 585         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 586
 587 err_unmap_mpt:
 588         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 589
 590 err_unmap_mtt:
 591         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 592
 593 err_unmap_eq:
 594         mthca_unmap_eq_icm(mdev);
 595
 596 err_unmap_aux:
 597         mthca_UNMAP_ICM_AUX(mdev, &status);
 598
 599 err_free_aux:
 600         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
 601
 602         return err;
 603 }
 604
 605 static void mthca_free_icms(struct mthca_dev *mdev)
 606 {
 607         u8 status;
 608
 609         mthca_free_icm_table(mdev, mdev->mcg_table.table);
 610         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 611                 mthca_free_icm_table(mdev, mdev->srq_table.table);
 612         mthca_free_icm_table(mdev, mdev->cq_table.table);
 613         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
 614         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
 615         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
 616         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
 617         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
 618         mthca_unmap_eq_icm(mdev);
 619
 620         mthca_UNMAP_ICM_AUX(mdev, &status);
 621         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
 622 }
 623
 624 static int mthca_init_arbel(struct mthca_dev *mdev)
 625 {
 626         struct mthca_dev_lim        dev_lim;
 627         struct mthca_profile        profile;
 628         struct mthca_init_hca_param init_hca;
 629         s64 icm_size;
 630         u8 status;
 631         int err;
 632
 633         err = mthca_QUERY_FW(mdev, &status);
 634         if (err) {
 635                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
 636                 return err;
 637         }
 638         if (status) {
 639                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
 640                           "aborting.\n", status);
 641                 return -EINVAL;
 642         }
 643
 644         err = mthca_ENABLE_LAM(mdev, &status);
 645         if (err) {
 646                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
 647                 return err;
 648         }
 649         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
 650                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
 651                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
 652         } else if (status) {
 653                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
 654                           "aborting.\n", status);
 655                 return -EINVAL;
 656         }
 657
 658         err = mthca_load_fw(mdev);
 659         if (err) {
 660                 mthca_err(mdev, "Failed to start FW, aborting.\n");
 661                 goto err_disable;
 662         }
 663
 664         err = mthca_dev_lim(mdev, &dev_lim);
 665         if (err) {
 666                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
 667                 goto err_stop_fw;
 668         }
 669
 670         profile = hca_profile;
 671         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
 672         profile.num_udav = 0;
 673         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
 674                 profile.num_srq = dev_lim.max_srqs;
 675
 676         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
 677         if (icm_size < 0) {
 678                 err = icm_size;
 679                 goto err_stop_fw;
 680         }
 681
 682         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
 683         if (err)
 684                 goto err_stop_fw;
 685
 686         err = mthca_INIT_HCA(mdev, &init_hca, &status);
 687         if (err) {
 688                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
 689                 goto err_free_icm;
 690         }
 691         if (status) {
 692                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
 693                           "aborting.\n", status);
 694                 err = -EINVAL;
 695                 goto err_free_icm;
 696         }
 697
 698         return 0;
 699
 700 err_free_icm:
 701         mthca_free_icms(mdev);
 702
 703 err_stop_fw:
 704         mthca_UNMAP_FA(mdev, &status);
 705         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
 706
 707 err_disable:
 708         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 709                 mthca_DISABLE_LAM(mdev, &status);
 710
 711         return err;
 712 }
 713
 714 static void mthca_close_hca(struct mthca_dev *mdev)
 715 {
 716         u8 status;
 717
 718         mthca_CLOSE_HCA(mdev, 0, &status);
 719
 720         if (mthca_is_memfree(mdev)) {
 721                 mthca_free_icms(mdev);
 722
 723                 mthca_UNMAP_FA(mdev, &status);
 724                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
 725
 726                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
 727                         mthca_DISABLE_LAM(mdev, &status);
 728         } else
 729                 mthca_SYS_DIS(mdev, &status);
 730 }
 731
 732 static int mthca_init_hca(struct mthca_dev *mdev)
 733 {
 734         u8 status;
 735         int err;
 736         struct mthca_adapter adapter;
 737
 738         if (mthca_is_memfree(mdev))
 739                 err = mthca_init_arbel(mdev);
 740         else
 741                 err = mthca_init_tavor(mdev);
 742
 743         if (err)
 744                 return err;
 745
 746         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
 747         if (err) {
 748                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
 749                 goto err_close;
 750         }
 751         if (status) {
 752                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
 753                           "aborting.\n", status);
 754                 err = -EINVAL;
 755                 goto err_close;
 756         }
 757
 758         mdev->eq_table.inta_pin = adapter.inta_pin;
 759         if (!mthca_is_memfree(mdev))
 760                 mdev->rev_id = adapter.revision_id;
 761         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
 762
 763         return 0;
 764
 765 err_close:
 766         mthca_close_hca(mdev);
 767         return err;
 768 }
 769
 770 static int mthca_setup_hca(struct mthca_dev *dev)
 771 {
 772         int err;
 773         u8 status;
 774
 775         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
 776
 777         err = mthca_init_uar_table(dev);
 778         if (err) {
 779                 mthca_err(dev, "Failed to initialize "
 780                           "user access region table, aborting.\n");
 781                 return err;
 782         }
 783
 784         err = mthca_uar_alloc(dev, &dev->driver_uar);
 785         if (err) {
 786                 mthca_err(dev, "Failed to allocate driver access region, "
 787                           "aborting.\n");
 788                 goto err_uar_table_free;
 789         }
 790
 791         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
 792         if (!dev->kar) {
 793                 mthca_err(dev, "Couldn't map kernel access region, "
 794                           "aborting.\n");
 795                 err = -ENOMEM;
 796                 goto err_uar_free;
 797         }
 798
 799         err = mthca_init_pd_table(dev);
 800         if (err) {
 801                 mthca_err(dev, "Failed to initialize "
 802                           "protection domain table, aborting.\n");
 803                 goto err_kar_unmap;
 804         }
 805
 806         err = mthca_init_mr_table(dev);
 807         if (err) {
 808                 mthca_err(dev, "Failed to initialize "
 809                           "memory region table, aborting.\n");
 810                 goto err_pd_table_free;
 811         }
 812
 813         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
 814         if (err) {
 815                 mthca_err(dev, "Failed to create driver PD, "
 816                           "aborting.\n");
 817                 goto err_mr_table_free;
 818         }
 819
 820         err = mthca_init_eq_table(dev);
 821         if (err) {
 822                 mthca_err(dev, "Failed to initialize "
 823                           "event queue table, aborting.\n");
 824                 goto err_pd_free;
 825         }
 826
 827         err = mthca_cmd_use_events(dev);
 828         if (err) {
 829                 mthca_err(dev, "Failed to switch to event-driven "
 830                           "firmware commands, aborting.\n");
 831                 goto err_eq_table_free;
 832         }
 833
 834         err = mthca_NOP(dev, &status);
 835         if (err || status) {
 836                 if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
 837                         mthca_warn(dev, "NOP command failed to generate interrupt "
 838                                    "(IRQ %d).\n",
 839                                    dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector);
 840                         mthca_warn(dev, "Trying again with MSI-X disabled.\n");
 841                 } else {
 842                         mthca_err(dev, "NOP command failed to generate interrupt "
 843                                   "(IRQ %d), aborting.\n",
 844                                   dev->pdev->irq);
 845                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
 846                 }
 847
 848                 goto err_cmd_poll;
 849         }
 850
 851         mthca_dbg(dev, "NOP command IRQ test passed\n");
 852
 853         err = mthca_init_cq_table(dev);
 854         if (err) {
 855                 mthca_err(dev, "Failed to initialize "
 856                           "completion queue table, aborting.\n");
 857                 goto err_cmd_poll;
 858         }
 859
 860         err = mthca_init_srq_table(dev);
 861         if (err) {
 862                 mthca_err(dev, "Failed to initialize "
 863                           "shared receive queue table, aborting.\n");
 864                 goto err_cq_table_free;
 865         }
 866
 867         err = mthca_init_qp_table(dev);
 868         if (err) {
 869                 mthca_err(dev, "Failed to initialize "
 870                           "queue pair table, aborting.\n");
 871                 goto err_srq_table_free;
 872         }
 873
 874         err = mthca_init_av_table(dev);
 875         if (err) {
 876                 mthca_err(dev, "Failed to initialize "
 877                           "address vector table, aborting.\n");
 878                 goto err_qp_table_free;
 879         }
 880
 881         err = mthca_init_mcg_table(dev);
 882         if (err) {
 883                 mthca_err(dev, "Failed to initialize "
 884                           "multicast group table, aborting.\n");
 885                 goto err_av_table_free;
 886         }
 887
 888         return 0;
 889
 890 err_av_table_free:
 891         mthca_cleanup_av_table(dev);
 892
 893 err_qp_table_free:
 894         mthca_cleanup_qp_table(dev);
 895
 896 err_srq_table_free:
 897         mthca_cleanup_srq_table(dev);
 898
 899 err_cq_table_free:
 900         mthca_cleanup_cq_table(dev);
 901
 902 err_cmd_poll:
 903         mthca_cmd_use_polling(dev);
 904
 905 err_eq_table_free:
 906         mthca_cleanup_eq_table(dev);
 907
 908 err_pd_free:
 909         mthca_pd_free(dev, &dev->driver_pd);
 910
 911 err_mr_table_free:
 912         mthca_cleanup_mr_table(dev);
 913
 914 err_pd_table_free:
 915         mthca_cleanup_pd_table(dev);
 916
 917 err_kar_unmap:
 918         iounmap(dev->kar);
 919
 920 err_uar_free:
 921         mthca_uar_free(dev, &dev->driver_uar);
 922
 923 err_uar_table_free:
 924         mthca_cleanup_uar_table(dev);
 925         return err;
 926 }
 927
 928 static int mthca_enable_msi_x(struct mthca_dev *mdev)
 929 {
 930         struct msix_entry entries[3];
 931         int err;
 932
 933         entries[0].entry = 0;
 934         entries[1].entry = 1;
 935         entries[2].entry = 2;
 936
 937         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
 938         if (err) {
 939                 if (err > 0)
 940                         mthca_info(mdev, "Only %d MSI-X vectors available, "
 941                                    "not using MSI-X\n", err);
 942                 return err;
 943         }
 944
 945         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
 946         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
 947         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
 948
 949         return 0;
 950 }
 951
 952 /* Types of supported HCA */
 953 enum {
 954         TAVOR,                  /* MT23108                        */
 955         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
 956         ARBEL_NATIVE,           /* MT25208 with extended features */
 957         SINAI                   /* MT25204 */
 958 };
 959
 960 #define MTHCA_FW_VER(major, minor, subminor) \
 961         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
 962
 963 static struct {
 964         u64 latest_fw;
 965         u32 flags;
 966 } mthca_hca_table[] = {
 967         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 5, 0),
 968                            .flags     = 0 },
 969         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200),
 970                            .flags     = MTHCA_FLAG_PCIE },
 971         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0),
 972                            .flags     = MTHCA_FLAG_MEMFREE |
 973                                         MTHCA_FLAG_PCIE },
 974         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 2, 0),
 975                            .flags     = MTHCA_FLAG_MEMFREE |
 976                                         MTHCA_FLAG_PCIE    |
 977                                         MTHCA_FLAG_SINAI_OPT }
 978 };
 979
 980 static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
 981 {
 982         int ddr_hidden = 0;
 983         int err;
 984         struct mthca_dev *mdev;
 985
 986         printk(KERN_INFO PFX "Initializing %s\n",
 987                pci_name(pdev));
 988
 989         err = pci_enable_device(pdev);
 990         if (err) {
 991                 dev_err(&pdev->dev, "Cannot enable PCI device, "
 992                         "aborting.\n");
 993                 return err;
 994         }
 995
 996         /*
 997          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
 998          * be present)
 999          */
1000         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1001             pci_resource_len(pdev, 0) != 1 << 20) {
1002                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1003                 err = -ENODEV;
1004                 goto err_disable_pdev;
1005         }
1006         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1007                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1008                 err = -ENODEV;
1009                 goto err_disable_pdev;
1010         }
1011         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1012                 ddr_hidden = 1;
1013
1014         err = pci_request_regions(pdev, DRV_NAME);
1015         if (err) {
1016                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1017                         "aborting.\n");
1018                 goto err_disable_pdev;
1019         }
1020
1021         pci_set_master(pdev);
1022
1023         err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
1024         if (err) {
1025                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1026                 err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
1027                 if (err) {
1028                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1029                         goto err_free_res;
1030                 }
1031         }
1032         err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
1033         if (err) {
1034                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1035                          "consistent PCI DMA mask.\n");
1036                 err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
1037                 if (err) {
1038                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1039                                 "aborting.\n");
1040                         goto err_free_res;
1041                 }
1042         }
1043
1044         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1045         if (!mdev) {
1046                 dev_err(&pdev->dev, "Device struct alloc failed, "
1047                         "aborting.\n");
1048                 err = -ENOMEM;
1049                 goto err_free_res;
1050         }
1051
1052         mdev->pdev = pdev;
1053
1054         mdev->mthca_flags = mthca_hca_table[hca_type].flags;
1055         if (ddr_hidden)
1056                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1057
1058         /*
1059          * Now reset the HCA before we touch the PCI capabilities or
1060          * attempt a firmware command, since a boot ROM may have left
1061          * the HCA in an undefined state.
1062          */
1063         err = mthca_reset(mdev);
1064         if (err) {
1065                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1066                 goto err_free_dev;
1067         }
1068
1069         if (mthca_cmd_init(mdev)) {
1070                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1071                 goto err_free_dev;
1072         }
1073
1074         err = mthca_tune_pci(mdev);
1075         if (err)
1076                 goto err_cmd;
1077
1078         err = mthca_init_hca(mdev);
1079         if (err)
1080                 goto err_cmd;
1081
1082         if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) {
1083                 mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n",
1084                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1085                            (int) (mdev->fw_ver & 0xffff),
1086                            (int) (mthca_hca_table[hca_type].latest_fw >> 32),
1087                            (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff,
1088                            (int) (mthca_hca_table[hca_type].latest_fw & 0xffff));
1089                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1090         }
1091
1092         if (msi_x && !mthca_enable_msi_x(mdev))
1093                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1094
1095         err = mthca_setup_hca(mdev);
1096         if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) {
1097                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1098                         pci_disable_msix(pdev);
1099                 mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X;
1100
1101                 err = mthca_setup_hca(mdev);
1102         }
1103
1104         if (err)
1105                 goto err_close;
1106
1107         err = mthca_register_device(mdev);
1108         if (err)
1109                 goto err_cleanup;
1110
1111         err = mthca_create_agents(mdev);
1112         if (err)
1113                 goto err_unregister;
1114
1115         pci_set_drvdata(pdev, mdev);
1116         mdev->hca_type = hca_type;
1117
1118         mdev->active = 1;
1119
1120         return 0;
1121
1122 err_unregister:
1123         mthca_unregister_device(mdev);
1124
1125 err_cleanup:
1126         mthca_cleanup_mcg_table(mdev);
1127         mthca_cleanup_av_table(mdev);
1128         mthca_cleanup_qp_table(mdev);
1129         mthca_cleanup_srq_table(mdev);
1130         mthca_cleanup_cq_table(mdev);
1131         mthca_cmd_use_polling(mdev);
1132         mthca_cleanup_eq_table(mdev);
1133
1134         mthca_pd_free(mdev, &mdev->driver_pd);
1135
1136         mthca_cleanup_mr_table(mdev);
1137         mthca_cleanup_pd_table(mdev);
1138         mthca_cleanup_uar_table(mdev);
1139
1140 err_close:
1141         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1142                 pci_disable_msix(pdev);
1143
1144         mthca_close_hca(mdev);
1145
1146 err_cmd:
1147         mthca_cmd_cleanup(mdev);
1148
1149 err_free_dev:
1150         ib_dealloc_device(&mdev->ib_dev);
1151
1152 err_free_res:
1153         pci_release_regions(pdev);
1154
1155 err_disable_pdev:
1156         pci_disable_device(pdev);
1157         pci_set_drvdata(pdev, NULL);
1158         return err;
1159 }
1160
1161 static void __mthca_remove_one(struct pci_dev *pdev)
1162 {
1163         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1164         u8 status;
1165         int p;
1166
1167         if (mdev) {
1168                 mthca_free_agents(mdev);
1169                 mthca_unregister_device(mdev);
1170
1171                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1172                         mthca_CLOSE_IB(mdev, p, &status);
1173
1174                 mthca_cleanup_mcg_table(mdev);
1175                 mthca_cleanup_av_table(mdev);
1176                 mthca_cleanup_qp_table(mdev);
1177                 mthca_cleanup_srq_table(mdev);
1178                 mthca_cleanup_cq_table(mdev);
1179                 mthca_cmd_use_polling(mdev);
1180                 mthca_cleanup_eq_table(mdev);
1181
1182                 mthca_pd_free(mdev, &mdev->driver_pd);
1183
1184                 mthca_cleanup_mr_table(mdev);
1185                 mthca_cleanup_pd_table(mdev);
1186
1187                 iounmap(mdev->kar);
1188                 mthca_uar_free(mdev, &mdev->driver_uar);
1189                 mthca_cleanup_uar_table(mdev);
1190                 mthca_close_hca(mdev);
1191                 mthca_cmd_cleanup(mdev);
1192
1193                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1194                         pci_disable_msix(pdev);
1195
1196                 ib_dealloc_device(&mdev->ib_dev);
1197                 pci_release_regions(pdev);
1198                 pci_disable_device(pdev);
1199                 pci_set_drvdata(pdev, NULL);
1200         }
1201 }
1202
1203 int __mthca_restart_one(struct pci_dev *pdev)
1204 {
1205         struct mthca_dev *mdev;
1206         int hca_type;
1207
1208         mdev = pci_get_drvdata(pdev);
1209         if (!mdev)
1210                 return -ENODEV;
1211         hca_type = mdev->hca_type;
1212         __mthca_remove_one(pdev);
1213         return __mthca_init_one(pdev, hca_type);
1214 }
1215
1216 static int __devinit mthca_init_one(struct pci_dev *pdev,
1217                                     const struct pci_device_id *id)
1218 {
1219         static int mthca_version_printed = 0;
1220         int ret;
1221
1222         mutex_lock(&mthca_device_mutex);
1223
1224         if (!mthca_version_printed) {
1225                 printk(KERN_INFO "%s", mthca_version);
1226                 ++mthca_version_printed;
1227         }
1228
1229         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
1230                 printk(KERN_ERR PFX "%s has invalid driver data %jx\n",
1231                        pci_name(pdev), (uintmax_t)id->driver_data);
1232                 mutex_unlock(&mthca_device_mutex);
1233                 return -ENODEV;
1234         }
1235
1236         ret = __mthca_init_one(pdev, id->driver_data);
1237
1238         mutex_unlock(&mthca_device_mutex);
1239
1240         return ret;
1241 }
1242
1243 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1244 {
1245         mutex_lock(&mthca_device_mutex);
1246         __mthca_remove_one(pdev);
1247         mutex_unlock(&mthca_device_mutex);
1248 }
1249
1250 static struct pci_device_id mthca_pci_table[] = {
1251         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1252           .driver_data = TAVOR },
1253         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1254           .driver_data = TAVOR },
1255         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1256           .driver_data = ARBEL_COMPAT },
1257         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1258           .driver_data = ARBEL_COMPAT },
1259         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1260           .driver_data = ARBEL_NATIVE },
1261         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1262           .driver_data = ARBEL_NATIVE },
1263         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1264           .driver_data = SINAI },
1265         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1266           .driver_data = SINAI },
1267         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1268           .driver_data = SINAI },
1269         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1270           .driver_data = SINAI },
1271         { 0, }
1272 };
1273
1274 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1275
1276 static struct pci_driver mthca_driver = {
1277         .name           = DRV_NAME,
1278         .id_table       = mthca_pci_table,
1279         .probe          = mthca_init_one,
1280         .remove         = __devexit_p(mthca_remove_one)
1281 };
1282
1283 static void __init __mthca_check_profile_val(const char *name, int *pval,
1284                                              int pval_default)
1285 {
1286         /* value must be positive and power of 2 */
1287         int old_pval = *pval;
1288
1289         if (old_pval <= 0)
1290                 *pval = pval_default;
1291         else
1292                 *pval = roundup_pow_of_two(old_pval);
1293
1294         if (old_pval != *pval) {
1295                 printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n",
1296                        old_pval, name);
1297                 printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval);
1298         }
1299 }
1300
1301 #define mthca_check_profile_val(name, default)                          \
1302         __mthca_check_profile_val(#name, &hca_profile.name, default)
1303
1304 static void __init mthca_validate_profile(void)
1305 {
1306         mthca_check_profile_val(num_qp,            MTHCA_DEFAULT_NUM_QP);
1307         mthca_check_profile_val(rdb_per_qp,        MTHCA_DEFAULT_RDB_PER_QP);
1308         mthca_check_profile_val(num_cq,            MTHCA_DEFAULT_NUM_CQ);
1309         mthca_check_profile_val(num_mcg,           MTHCA_DEFAULT_NUM_MCG);
1310         mthca_check_profile_val(num_mpt,           MTHCA_DEFAULT_NUM_MPT);
1311         mthca_check_profile_val(num_mtt,           MTHCA_DEFAULT_NUM_MTT);
1312         mthca_check_profile_val(num_udav,          MTHCA_DEFAULT_NUM_UDAV);
1313         mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS);
1314
1315         if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) {
1316                 printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n",
1317                        hca_profile.fmr_reserved_mtts);
1318                 printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n",
1319                        hca_profile.num_mtt);
1320                 hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2;
1321                 printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
1322                        hca_profile.fmr_reserved_mtts);
1323         }
1324         if (log_mtts_per_seg == 0)
1325                 log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
1326         if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
1327                 printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n",
1328                        log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8));
1329                 log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
1330         }
1331 }
1332
1333 static int __init mthca_init(void)
1334 {
1335         int ret;
1336
1337         mthca_validate_profile();
1338
1339         ret = mthca_catas_init();
1340         if (ret)
1341                 return ret;
1342
1343         ret = pci_register_driver(&mthca_driver);
1344         if (ret < 0) {
1345                 mthca_catas_cleanup();
1346                 return ret;
1347         }
1348
1349         return 0;
1350 }
1351
1352 static void __exit mthca_cleanup(void)
1353 {
1354         pci_unregister_driver(&mthca_driver);
1355         mthca_catas_cleanup();
1356 }
1357
1358 module_init_order(mthca_init, SI_ORDER_MIDDLE);
1359 module_exit(mthca_cleanup);