dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)
[linux-2.6.git] / 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/init.h>
37 #include <linux/errno.h>
38 #include <linux/pci.h>
39 #include <linux/interrupt.h>
40
41 #include "mthca_dev.h"
42 #include "mthca_config_reg.h"
43 #include "mthca_cmd.h"
44 #include "mthca_profile.h"
45 #include "mthca_memfree.h"
46 #include "mthca_wqe.h"
47
48 MODULE_AUTHOR("Roland Dreier");
49 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
50 MODULE_LICENSE("Dual BSD/GPL");
51 MODULE_VERSION(DRV_VERSION);
52
53 #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
54
55 int mthca_debug_level = 0;
56 module_param_named(debug_level, mthca_debug_level, int, 0644);
57 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
58
59 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
60
61 #ifdef CONFIG_PCI_MSI
62
63 static int msi_x = 1;
64 module_param(msi_x, int, 0444);
65 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
66
67 #else /* CONFIG_PCI_MSI */
68
69 #define msi_x (0)
70
71 #endif /* CONFIG_PCI_MSI */
72
73 static int tune_pci = 0;
74 module_param(tune_pci, int, 0444);
75 MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
76
77 DEFINE_MUTEX(mthca_device_mutex);
78
79 #define MTHCA_DEFAULT_NUM_QP            (1 << 16)
80 #define MTHCA_DEFAULT_RDB_PER_QP        (1 << 2)
81 #define MTHCA_DEFAULT_NUM_CQ            (1 << 16)
82 #define MTHCA_DEFAULT_NUM_MCG           (1 << 13)
83 #define MTHCA_DEFAULT_NUM_MPT           (1 << 17)
84 #define MTHCA_DEFAULT_NUM_MTT           (1 << 20)
85 #define MTHCA_DEFAULT_NUM_UDAV          (1 << 15)
86 #define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18)
87 #define MTHCA_DEFAULT_NUM_UARC_SIZE     (1 << 18)
88
89 static struct mthca_profile hca_profile = {
90         .num_qp             = MTHCA_DEFAULT_NUM_QP,
91         .rdb_per_qp         = MTHCA_DEFAULT_RDB_PER_QP,
92         .num_cq             = MTHCA_DEFAULT_NUM_CQ,
93         .num_mcg            = MTHCA_DEFAULT_NUM_MCG,
94         .num_mpt            = MTHCA_DEFAULT_NUM_MPT,
95         .num_mtt            = MTHCA_DEFAULT_NUM_MTT,
96         .num_udav           = MTHCA_DEFAULT_NUM_UDAV,          /* Tavor only */
97         .fmr_reserved_mtts  = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */
98         .uarc_size          = MTHCA_DEFAULT_NUM_UARC_SIZE,     /* Arbel only */
99 };
100
101 module_param_named(num_qp, hca_profile.num_qp, int, 0444);
102 MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA");
103
104 module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444);
105 MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP");
106
107 module_param_named(num_cq, hca_profile.num_cq, int, 0444);
108 MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA");
109
110 module_param_named(num_mcg, hca_profile.num_mcg, int, 0444);
111 MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA");
112
113 module_param_named(num_mpt, hca_profile.num_mpt, int, 0444);
114 MODULE_PARM_DESC(num_mpt,
115                 "maximum number of memory protection table entries per HCA");
116
117 module_param_named(num_mtt, hca_profile.num_mtt, int, 0444);
118 MODULE_PARM_DESC(num_mtt,
119                  "maximum number of memory translation table segments per HCA");
120
121 module_param_named(num_udav, hca_profile.num_udav, int, 0444);
122 MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA");
123
124 module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
125 MODULE_PARM_DESC(fmr_reserved_mtts,
126                  "number of memory translation table segments reserved for FMR");
127
128 static char mthca_version[] __devinitdata =
129         DRV_NAME ": Mellanox InfiniBand HCA driver v"
130         DRV_VERSION " (" DRV_RELDATE ")\n";
131
132 static int mthca_tune_pci(struct mthca_dev *mdev)
133 {
134         if (!tune_pci)
135                 return 0;
136
137         /* First try to max out Read Byte Count */
138         if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) {
139                 if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) {
140                         mthca_err(mdev, "Couldn't set PCI-X max read count, "
141                                 "aborting.\n");
142                         return -ENODEV;
143                 }
144         } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
145                 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
146
147         if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) {
148                 if (pcie_set_readrq(mdev->pdev, 4096)) {
149                         mthca_err(mdev, "Couldn't write PCI Express read request, "
150                                 "aborting.\n");
151                         return -ENODEV;
152                 }
153         } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
154                 mthca_info(mdev, "No PCI Express capability, "
155                            "not setting Max Read Request Size.\n");
156
157         return 0;
158 }
159
160 static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
161 {
162         int err;
163         u8 status;
164
165         err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
166         if (err) {
167                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
168                 return err;
169         }
170         if (status) {
171                 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
172                           "aborting.\n", status);
173                 return -EINVAL;
174         }
175         if (dev_lim->min_page_sz > PAGE_SIZE) {
176                 mthca_err(mdev, "HCA minimum page size of %d bigger than "
177                           "kernel PAGE_SIZE of %ld, aborting.\n",
178                           dev_lim->min_page_sz, PAGE_SIZE);
179                 return -ENODEV;
180         }
181         if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
182                 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
183                           "aborting.\n",
184                           dev_lim->num_ports, MTHCA_MAX_PORTS);
185                 return -ENODEV;
186         }
187
188         if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
189                 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
190                           "PCI resource 2 size of 0x%llx, aborting.\n",
191                           dev_lim->uar_size,
192                           (unsigned long long)pci_resource_len(mdev->pdev, 2));
193                 return -ENODEV;
194         }
195
196         mdev->limits.num_ports          = dev_lim->num_ports;
197         mdev->limits.vl_cap             = dev_lim->max_vl;
198         mdev->limits.mtu_cap            = dev_lim->max_mtu;
199         mdev->limits.gid_table_len      = dev_lim->max_gids;
200         mdev->limits.pkey_table_len     = dev_lim->max_pkeys;
201         mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
202         /*
203          * Need to allow for worst case send WQE overhead and check
204          * whether max_desc_sz imposes a lower limit than max_sg; UD
205          * send has the biggest overhead.
206          */
207         mdev->limits.max_sg             = min_t(int, dev_lim->max_sg,
208                                               (dev_lim->max_desc_sz -
209                                                sizeof (struct mthca_next_seg) -
210                                                (mthca_is_memfree(mdev) ?
211                                                 sizeof (struct mthca_arbel_ud_seg) :
212                                                 sizeof (struct mthca_tavor_ud_seg))) /
213                                                 sizeof (struct mthca_data_seg));
214         mdev->limits.max_wqes           = dev_lim->max_qp_sz;
215         mdev->limits.max_qp_init_rdma   = dev_lim->max_requester_per_qp;
216         mdev->limits.reserved_qps       = dev_lim->reserved_qps;
217         mdev->limits.max_srq_wqes       = dev_lim->max_srq_sz;
218         mdev->limits.reserved_srqs      = dev_lim->reserved_srqs;
219         mdev->limits.reserved_eecs      = dev_lim->reserved_eecs;
220         mdev->limits.max_desc_sz        = dev_lim->max_desc_sz;
221         mdev->limits.max_srq_sge        = mthca_max_srq_sge(mdev);
222         /*
223          * Subtract 1 from the limit because we need to allocate a
224          * spare CQE so the HCA HW can tell the difference between an
225          * empty CQ and a full CQ.
226          */
227         mdev->limits.max_cqes           = dev_lim->max_cq_sz - 1;
228         mdev->limits.reserved_cqs       = dev_lim->reserved_cqs;
229         mdev->limits.reserved_eqs       = dev_lim->reserved_eqs;
230         mdev->limits.reserved_mtts      = dev_lim->reserved_mtts;
231         mdev->limits.reserved_mrws      = dev_lim->reserved_mrws;
232         mdev->limits.reserved_uars      = dev_lim->reserved_uars;
233         mdev->limits.reserved_pds       = dev_lim->reserved_pds;
234         mdev->limits.port_width_cap     = dev_lim->max_port_width;
235         mdev->limits.page_size_cap      = ~(u32) (dev_lim->min_page_sz - 1);
236         mdev->limits.flags              = dev_lim->flags;
237         /*
238          * For old FW that doesn't return static rate support, use a
239          * value of 0x3 (only static rate values of 0 or 1 are handled),
240          * except on Sinai, where even old FW can handle static rate
241          * values of 2 and 3.
242          */
243         if (dev_lim->stat_rate_support)
244                 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
245         else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
246                 mdev->limits.stat_rate_support = 0xf;
247         else
248                 mdev->limits.stat_rate_support = 0x3;
249
250         /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
251            May be doable since hardware supports it for SRQ.
252
253            IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
254
255            IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
256            supported by driver. */
257         mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
258                 IB_DEVICE_PORT_ACTIVE_EVENT |
259                 IB_DEVICE_SYS_IMAGE_GUID |
260                 IB_DEVICE_RC_RNR_NAK_GEN;
261
262         if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
263                 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
264
265         if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
266                 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
267
268         if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
269                 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
270
271         if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
272                 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
273
274         if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
275                 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
276
277         if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
278                 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
279
280         if (mthca_is_memfree(mdev))
281                 if (dev_lim->flags & DEV_LIM_FLAG_IPOIB_CSUM)
282                         mdev->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
283
284         return 0;
285 }
286
287 static int mthca_init_tavor(struct mthca_dev *mdev)
288 {
289         s64 size;
290         u8 status;
291         int err;
292         struct mthca_dev_lim        dev_lim;
293         struct mthca_profile        profile;
294         struct mthca_init_hca_param init_hca;
295
296         err = mthca_SYS_EN(mdev, &status);
297         if (err) {
298                 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
299                 return err;
300         }
301         if (status) {
302                 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
303                           "aborting.\n", status);
304                 return -EINVAL;
305         }
306
307         err = mthca_QUERY_FW(mdev, &status);
308         if (err) {
309                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
310                 goto err_disable;
311         }
312         if (status) {
313                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
314                           "aborting.\n", status);
315                 err = -EINVAL;
316                 goto err_disable;
317         }
318         err = mthca_QUERY_DDR(mdev, &status);
319         if (err) {
320                 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
321                 goto err_disable;
322         }
323         if (status) {
324                 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
325                           "aborting.\n", status);
326                 err = -EINVAL;
327                 goto err_disable;
328         }
329
330         err = mthca_dev_lim(mdev, &dev_lim);
331         if (err) {
332                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
333                 goto err_disable;
334         }
335
336         profile = hca_profile;
337         profile.num_uar   = dev_lim.uar_size / PAGE_SIZE;
338         profile.uarc_size = 0;
339         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
340                 profile.num_srq = dev_lim.max_srqs;
341
342         size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
343         if (size < 0) {
344                 err = size;
345                 goto err_disable;
346         }
347
348         err = mthca_INIT_HCA(mdev, &init_hca, &status);
349         if (err) {
350                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
351                 goto err_disable;
352         }
353         if (status) {
354                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
355                           "aborting.\n", status);
356                 err = -EINVAL;
357                 goto err_disable;
358         }
359
360         return 0;
361
362 err_disable:
363         mthca_SYS_DIS(mdev, &status);
364
365         return err;
366 }
367
368 static int mthca_load_fw(struct mthca_dev *mdev)
369 {
370         u8 status;
371         int err;
372
373         /* FIXME: use HCA-attached memory for FW if present */
374
375         mdev->fw.arbel.fw_icm =
376                 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
377                                 GFP_HIGHUSER | __GFP_NOWARN, 0);
378         if (!mdev->fw.arbel.fw_icm) {
379                 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
380                 return -ENOMEM;
381         }
382
383         err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
384         if (err) {
385                 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
386                 goto err_free;
387         }
388         if (status) {
389                 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
390                 err = -EINVAL;
391                 goto err_free;
392         }
393         err = mthca_RUN_FW(mdev, &status);
394         if (err) {
395                 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
396                 goto err_unmap_fa;
397         }
398         if (status) {
399                 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
400                 err = -EINVAL;
401                 goto err_unmap_fa;
402         }
403
404         return 0;
405
406 err_unmap_fa:
407         mthca_UNMAP_FA(mdev, &status);
408
409 err_free:
410         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
411         return err;
412 }
413
414 static int mthca_init_icm(struct mthca_dev *mdev,
415                           struct mthca_dev_lim *dev_lim,
416                           struct mthca_init_hca_param *init_hca,
417                           u64 icm_size)
418 {
419         u64 aux_pages;
420         u8 status;
421         int err;
422
423         err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
424         if (err) {
425                 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
426                 return err;
427         }
428         if (status) {
429                 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
430                           "aborting.\n", status);
431                 return -EINVAL;
432         }
433
434         mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
435                   (unsigned long long) icm_size >> 10,
436                   (unsigned long long) aux_pages << 2);
437
438         mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
439                                                  GFP_HIGHUSER | __GFP_NOWARN, 0);
440         if (!mdev->fw.arbel.aux_icm) {
441                 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
442                 return -ENOMEM;
443         }
444
445         err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
446         if (err) {
447                 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
448                 goto err_free_aux;
449         }
450         if (status) {
451                 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
452                 err = -EINVAL;
453                 goto err_free_aux;
454         }
455
456         err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
457         if (err) {
458                 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
459                 goto err_unmap_aux;
460         }
461
462         /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
463         mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE,
464                                            dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE;
465
466         mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
467                                                          MTHCA_MTT_SEG_SIZE,
468                                                          mdev->limits.num_mtt_segs,
469                                                          mdev->limits.reserved_mtts,
470                                                          1, 0);
471         if (!mdev->mr_table.mtt_table) {
472                 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
473                 err = -ENOMEM;
474                 goto err_unmap_eq;
475         }
476
477         mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
478                                                          dev_lim->mpt_entry_sz,
479                                                          mdev->limits.num_mpts,
480                                                          mdev->limits.reserved_mrws,
481                                                          1, 1);
482         if (!mdev->mr_table.mpt_table) {
483                 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
484                 err = -ENOMEM;
485                 goto err_unmap_mtt;
486         }
487
488         mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
489                                                         dev_lim->qpc_entry_sz,
490                                                         mdev->limits.num_qps,
491                                                         mdev->limits.reserved_qps,
492                                                         0, 0);
493         if (!mdev->qp_table.qp_table) {
494                 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
495                 err = -ENOMEM;
496                 goto err_unmap_mpt;
497         }
498
499         mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
500                                                          dev_lim->eqpc_entry_sz,
501                                                          mdev->limits.num_qps,
502                                                          mdev->limits.reserved_qps,
503                                                          0, 0);
504         if (!mdev->qp_table.eqp_table) {
505                 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
506                 err = -ENOMEM;
507                 goto err_unmap_qp;
508         }
509
510         mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
511                                                          MTHCA_RDB_ENTRY_SIZE,
512                                                          mdev->limits.num_qps <<
513                                                          mdev->qp_table.rdb_shift, 0,
514                                                          0, 0);
515         if (!mdev->qp_table.rdb_table) {
516                 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
517                 err = -ENOMEM;
518                 goto err_unmap_eqp;
519         }
520
521        mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
522                                                     dev_lim->cqc_entry_sz,
523                                                     mdev->limits.num_cqs,
524                                                     mdev->limits.reserved_cqs,
525                                                     0, 0);
526         if (!mdev->cq_table.table) {
527                 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
528                 err = -ENOMEM;
529                 goto err_unmap_rdb;
530         }
531
532         if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
533                 mdev->srq_table.table =
534                         mthca_alloc_icm_table(mdev, init_hca->srqc_base,
535                                               dev_lim->srq_entry_sz,
536                                               mdev->limits.num_srqs,
537                                               mdev->limits.reserved_srqs,
538                                               0, 0);
539                 if (!mdev->srq_table.table) {
540                         mthca_err(mdev, "Failed to map SRQ context memory, "
541                                   "aborting.\n");
542                         err = -ENOMEM;
543                         goto err_unmap_cq;
544                 }
545         }
546
547         /*
548          * It's not strictly required, but for simplicity just map the
549          * whole multicast group table now.  The table isn't very big
550          * and it's a lot easier than trying to track ref counts.
551          */
552         mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
553                                                       MTHCA_MGM_ENTRY_SIZE,
554                                                       mdev->limits.num_mgms +
555                                                       mdev->limits.num_amgms,
556                                                       mdev->limits.num_mgms +
557                                                       mdev->limits.num_amgms,
558                                                       0, 0);
559         if (!mdev->mcg_table.table) {
560                 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
561                 err = -ENOMEM;
562                 goto err_unmap_srq;
563         }
564
565         return 0;
566
567 err_unmap_srq:
568         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
569                 mthca_free_icm_table(mdev, mdev->srq_table.table);
570
571 err_unmap_cq:
572         mthca_free_icm_table(mdev, mdev->cq_table.table);
573
574 err_unmap_rdb:
575         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
576
577 err_unmap_eqp:
578         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
579
580 err_unmap_qp:
581         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
582
583 err_unmap_mpt:
584         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
585
586 err_unmap_mtt:
587         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
588
589 err_unmap_eq:
590         mthca_unmap_eq_icm(mdev);
591
592 err_unmap_aux:
593         mthca_UNMAP_ICM_AUX(mdev, &status);
594
595 err_free_aux:
596         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
597
598         return err;
599 }
600
601 static void mthca_free_icms(struct mthca_dev *mdev)
602 {
603         u8 status;
604
605         mthca_free_icm_table(mdev, mdev->mcg_table.table);
606         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
607                 mthca_free_icm_table(mdev, mdev->srq_table.table);
608         mthca_free_icm_table(mdev, mdev->cq_table.table);
609         mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
610         mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
611         mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
612         mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
613         mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
614         mthca_unmap_eq_icm(mdev);
615
616         mthca_UNMAP_ICM_AUX(mdev, &status);
617         mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
618 }
619
620 static int mthca_init_arbel(struct mthca_dev *mdev)
621 {
622         struct mthca_dev_lim        dev_lim;
623         struct mthca_profile        profile;
624         struct mthca_init_hca_param init_hca;
625         s64 icm_size;
626         u8 status;
627         int err;
628
629         err = mthca_QUERY_FW(mdev, &status);
630         if (err) {
631                 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
632                 return err;
633         }
634         if (status) {
635                 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
636                           "aborting.\n", status);
637                 return -EINVAL;
638         }
639
640         err = mthca_ENABLE_LAM(mdev, &status);
641         if (err) {
642                 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
643                 return err;
644         }
645         if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
646                 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
647                 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
648         } else if (status) {
649                 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
650                           "aborting.\n", status);
651                 return -EINVAL;
652         }
653
654         err = mthca_load_fw(mdev);
655         if (err) {
656                 mthca_err(mdev, "Failed to start FW, aborting.\n");
657                 goto err_disable;
658         }
659
660         err = mthca_dev_lim(mdev, &dev_lim);
661         if (err) {
662                 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
663                 goto err_stop_fw;
664         }
665
666         profile = hca_profile;
667         profile.num_uar  = dev_lim.uar_size / PAGE_SIZE;
668         profile.num_udav = 0;
669         if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
670                 profile.num_srq = dev_lim.max_srqs;
671
672         icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
673         if (icm_size < 0) {
674                 err = icm_size;
675                 goto err_stop_fw;
676         }
677
678         err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
679         if (err)
680                 goto err_stop_fw;
681
682         err = mthca_INIT_HCA(mdev, &init_hca, &status);
683         if (err) {
684                 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
685                 goto err_free_icm;
686         }
687         if (status) {
688                 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
689                           "aborting.\n", status);
690                 err = -EINVAL;
691                 goto err_free_icm;
692         }
693
694         return 0;
695
696 err_free_icm:
697         mthca_free_icms(mdev);
698
699 err_stop_fw:
700         mthca_UNMAP_FA(mdev, &status);
701         mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
702
703 err_disable:
704         if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
705                 mthca_DISABLE_LAM(mdev, &status);
706
707         return err;
708 }
709
710 static void mthca_close_hca(struct mthca_dev *mdev)
711 {
712         u8 status;
713
714         mthca_CLOSE_HCA(mdev, 0, &status);
715
716         if (mthca_is_memfree(mdev)) {
717                 mthca_free_icms(mdev);
718
719                 mthca_UNMAP_FA(mdev, &status);
720                 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
721
722                 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
723                         mthca_DISABLE_LAM(mdev, &status);
724         } else
725                 mthca_SYS_DIS(mdev, &status);
726 }
727
728 static int mthca_init_hca(struct mthca_dev *mdev)
729 {
730         u8 status;
731         int err;
732         struct mthca_adapter adapter;
733
734         if (mthca_is_memfree(mdev))
735                 err = mthca_init_arbel(mdev);
736         else
737                 err = mthca_init_tavor(mdev);
738
739         if (err)
740                 return err;
741
742         err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
743         if (err) {
744                 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
745                 goto err_close;
746         }
747         if (status) {
748                 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
749                           "aborting.\n", status);
750                 err = -EINVAL;
751                 goto err_close;
752         }
753
754         mdev->eq_table.inta_pin = adapter.inta_pin;
755         if (!mthca_is_memfree(mdev))
756                 mdev->rev_id = adapter.revision_id;
757         memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
758
759         return 0;
760
761 err_close:
762         mthca_close_hca(mdev);
763         return err;
764 }
765
766 static int mthca_setup_hca(struct mthca_dev *dev)
767 {
768         int err;
769         u8 status;
770
771         MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
772
773         err = mthca_init_uar_table(dev);
774         if (err) {
775                 mthca_err(dev, "Failed to initialize "
776                           "user access region table, aborting.\n");
777                 return err;
778         }
779
780         err = mthca_uar_alloc(dev, &dev->driver_uar);
781         if (err) {
782                 mthca_err(dev, "Failed to allocate driver access region, "
783                           "aborting.\n");
784                 goto err_uar_table_free;
785         }
786
787         dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
788         if (!dev->kar) {
789                 mthca_err(dev, "Couldn't map kernel access region, "
790                           "aborting.\n");
791                 err = -ENOMEM;
792                 goto err_uar_free;
793         }
794
795         err = mthca_init_pd_table(dev);
796         if (err) {
797                 mthca_err(dev, "Failed to initialize "
798                           "protection domain table, aborting.\n");
799                 goto err_kar_unmap;
800         }
801
802         err = mthca_init_mr_table(dev);
803         if (err) {
804                 mthca_err(dev, "Failed to initialize "
805                           "memory region table, aborting.\n");
806                 goto err_pd_table_free;
807         }
808
809         err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
810         if (err) {
811                 mthca_err(dev, "Failed to create driver PD, "
812                           "aborting.\n");
813                 goto err_mr_table_free;
814         }
815
816         err = mthca_init_eq_table(dev);
817         if (err) {
818                 mthca_err(dev, "Failed to initialize "
819                           "event queue table, aborting.\n");
820                 goto err_pd_free;
821         }
822
823         err = mthca_cmd_use_events(dev);
824         if (err) {
825                 mthca_err(dev, "Failed to switch to event-driven "
826                           "firmware commands, aborting.\n");
827                 goto err_eq_table_free;
828         }
829
830         err = mthca_NOP(dev, &status);
831         if (err || status) {
832                 if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {
833                         mthca_warn(dev, "NOP command failed to generate interrupt "
834                                    "(IRQ %d).\n",
835                                    dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector);
836                         mthca_warn(dev, "Trying again with MSI-X disabled.\n");
837                 } else {
838                         mthca_err(dev, "NOP command failed to generate interrupt "
839                                   "(IRQ %d), aborting.\n",
840                                   dev->pdev->irq);
841                         mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
842                 }
843
844                 goto err_cmd_poll;
845         }
846
847         mthca_dbg(dev, "NOP command IRQ test passed\n");
848
849         err = mthca_init_cq_table(dev);
850         if (err) {
851                 mthca_err(dev, "Failed to initialize "
852                           "completion queue table, aborting.\n");
853                 goto err_cmd_poll;
854         }
855
856         err = mthca_init_srq_table(dev);
857         if (err) {
858                 mthca_err(dev, "Failed to initialize "
859                           "shared receive queue table, aborting.\n");
860                 goto err_cq_table_free;
861         }
862
863         err = mthca_init_qp_table(dev);
864         if (err) {
865                 mthca_err(dev, "Failed to initialize "
866                           "queue pair table, aborting.\n");
867                 goto err_srq_table_free;
868         }
869
870         err = mthca_init_av_table(dev);
871         if (err) {
872                 mthca_err(dev, "Failed to initialize "
873                           "address vector table, aborting.\n");
874                 goto err_qp_table_free;
875         }
876
877         err = mthca_init_mcg_table(dev);
878         if (err) {
879                 mthca_err(dev, "Failed to initialize "
880                           "multicast group table, aborting.\n");
881                 goto err_av_table_free;
882         }
883
884         return 0;
885
886 err_av_table_free:
887         mthca_cleanup_av_table(dev);
888
889 err_qp_table_free:
890         mthca_cleanup_qp_table(dev);
891
892 err_srq_table_free:
893         mthca_cleanup_srq_table(dev);
894
895 err_cq_table_free:
896         mthca_cleanup_cq_table(dev);
897
898 err_cmd_poll:
899         mthca_cmd_use_polling(dev);
900
901 err_eq_table_free:
902         mthca_cleanup_eq_table(dev);
903
904 err_pd_free:
905         mthca_pd_free(dev, &dev->driver_pd);
906
907 err_mr_table_free:
908         mthca_cleanup_mr_table(dev);
909
910 err_pd_table_free:
911         mthca_cleanup_pd_table(dev);
912
913 err_kar_unmap:
914         iounmap(dev->kar);
915
916 err_uar_free:
917         mthca_uar_free(dev, &dev->driver_uar);
918
919 err_uar_table_free:
920         mthca_cleanup_uar_table(dev);
921         return err;
922 }
923
924 static int mthca_enable_msi_x(struct mthca_dev *mdev)
925 {
926         struct msix_entry entries[3];
927         int err;
928
929         entries[0].entry = 0;
930         entries[1].entry = 1;
931         entries[2].entry = 2;
932
933         err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
934         if (err) {
935                 if (err > 0)
936                         mthca_info(mdev, "Only %d MSI-X vectors available, "
937                                    "not using MSI-X\n", err);
938                 return err;
939         }
940
941         mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
942         mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
943         mdev->eq_table.eq[MTHCA_EQ_CMD  ].msi_x_vector = entries[2].vector;
944
945         return 0;
946 }
947
948 /* Types of supported HCA */
949 enum {
950         TAVOR,                  /* MT23108                        */
951         ARBEL_COMPAT,           /* MT25208 in Tavor compat mode   */
952         ARBEL_NATIVE,           /* MT25208 with extended features */
953         SINAI                   /* MT25204 */
954 };
955
956 #define MTHCA_FW_VER(major, minor, subminor) \
957         (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
958
959 static struct {
960         u64 latest_fw;
961         u32 flags;
962 } mthca_hca_table[] = {
963         [TAVOR]        = { .latest_fw = MTHCA_FW_VER(3, 5, 0),
964                            .flags     = 0 },
965         [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200),
966                            .flags     = MTHCA_FLAG_PCIE },
967         [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 3, 0),
968                            .flags     = MTHCA_FLAG_MEMFREE |
969                                         MTHCA_FLAG_PCIE },
970         [SINAI]        = { .latest_fw = MTHCA_FW_VER(1, 2, 0),
971                            .flags     = MTHCA_FLAG_MEMFREE |
972                                         MTHCA_FLAG_PCIE    |
973                                         MTHCA_FLAG_SINAI_OPT }
974 };
975
976 static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
977 {
978         int ddr_hidden = 0;
979         int err;
980         struct mthca_dev *mdev;
981
982         printk(KERN_INFO PFX "Initializing %s\n",
983                pci_name(pdev));
984
985         err = pci_enable_device(pdev);
986         if (err) {
987                 dev_err(&pdev->dev, "Cannot enable PCI device, "
988                         "aborting.\n");
989                 return err;
990         }
991
992         /*
993          * Check for BARs.  We expect 0: 1MB, 2: 8MB, 4: DDR (may not
994          * be present)
995          */
996         if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
997             pci_resource_len(pdev, 0) != 1 << 20) {
998                 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
999                 err = -ENODEV;
1000                 goto err_disable_pdev;
1001         }
1002         if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1003                 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1004                 err = -ENODEV;
1005                 goto err_disable_pdev;
1006         }
1007         if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1008                 ddr_hidden = 1;
1009
1010         err = pci_request_regions(pdev, DRV_NAME);
1011         if (err) {
1012                 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1013                         "aborting.\n");
1014                 goto err_disable_pdev;
1015         }
1016
1017         pci_set_master(pdev);
1018
1019         err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
1020         if (err) {
1021                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1022                 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1023                 if (err) {
1024                         dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1025                         goto err_free_res;
1026                 }
1027         }
1028         err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
1029         if (err) {
1030                 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1031                          "consistent PCI DMA mask.\n");
1032                 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1033                 if (err) {
1034                         dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1035                                 "aborting.\n");
1036                         goto err_free_res;
1037                 }
1038         }
1039
1040         mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1041         if (!mdev) {
1042                 dev_err(&pdev->dev, "Device struct alloc failed, "
1043                         "aborting.\n");
1044                 err = -ENOMEM;
1045                 goto err_free_res;
1046         }
1047
1048         mdev->pdev = pdev;
1049
1050         mdev->mthca_flags = mthca_hca_table[hca_type].flags;
1051         if (ddr_hidden)
1052                 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1053
1054         /*
1055          * Now reset the HCA before we touch the PCI capabilities or
1056          * attempt a firmware command, since a boot ROM may have left
1057          * the HCA in an undefined state.
1058          */
1059         err = mthca_reset(mdev);
1060         if (err) {
1061                 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1062                 goto err_free_dev;
1063         }
1064
1065         if (mthca_cmd_init(mdev)) {
1066                 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1067                 goto err_free_dev;
1068         }
1069
1070         err = mthca_tune_pci(mdev);
1071         if (err)
1072                 goto err_cmd;
1073
1074         err = mthca_init_hca(mdev);
1075         if (err)
1076                 goto err_cmd;
1077
1078         if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) {
1079                 mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n",
1080                            (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1081                            (int) (mdev->fw_ver & 0xffff),
1082                            (int) (mthca_hca_table[hca_type].latest_fw >> 32),
1083                            (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff,
1084                            (int) (mthca_hca_table[hca_type].latest_fw & 0xffff));
1085                 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1086         }
1087
1088         if (msi_x && !mthca_enable_msi_x(mdev))
1089                 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1090
1091         err = mthca_setup_hca(mdev);
1092         if (err == -EBUSY && (mdev->mthca_flags & MTHCA_FLAG_MSI_X)) {
1093                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1094                         pci_disable_msix(pdev);
1095                 mdev->mthca_flags &= ~MTHCA_FLAG_MSI_X;
1096
1097                 err = mthca_setup_hca(mdev);
1098         }
1099
1100         if (err)
1101                 goto err_close;
1102
1103         err = mthca_register_device(mdev);
1104         if (err)
1105                 goto err_cleanup;
1106
1107         err = mthca_create_agents(mdev);
1108         if (err)
1109                 goto err_unregister;
1110
1111         pci_set_drvdata(pdev, mdev);
1112         mdev->hca_type = hca_type;
1113
1114         return 0;
1115
1116 err_unregister:
1117         mthca_unregister_device(mdev);
1118
1119 err_cleanup:
1120         mthca_cleanup_mcg_table(mdev);
1121         mthca_cleanup_av_table(mdev);
1122         mthca_cleanup_qp_table(mdev);
1123         mthca_cleanup_srq_table(mdev);
1124         mthca_cleanup_cq_table(mdev);
1125         mthca_cmd_use_polling(mdev);
1126         mthca_cleanup_eq_table(mdev);
1127
1128         mthca_pd_free(mdev, &mdev->driver_pd);
1129
1130         mthca_cleanup_mr_table(mdev);
1131         mthca_cleanup_pd_table(mdev);
1132         mthca_cleanup_uar_table(mdev);
1133
1134 err_close:
1135         if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1136                 pci_disable_msix(pdev);
1137
1138         mthca_close_hca(mdev);
1139
1140 err_cmd:
1141         mthca_cmd_cleanup(mdev);
1142
1143 err_free_dev:
1144         ib_dealloc_device(&mdev->ib_dev);
1145
1146 err_free_res:
1147         pci_release_regions(pdev);
1148
1149 err_disable_pdev:
1150         pci_disable_device(pdev);
1151         pci_set_drvdata(pdev, NULL);
1152         return err;
1153 }
1154
1155 static void __mthca_remove_one(struct pci_dev *pdev)
1156 {
1157         struct mthca_dev *mdev = pci_get_drvdata(pdev);
1158         u8 status;
1159         int p;
1160
1161         if (mdev) {
1162                 mthca_free_agents(mdev);
1163                 mthca_unregister_device(mdev);
1164
1165                 for (p = 1; p <= mdev->limits.num_ports; ++p)
1166                         mthca_CLOSE_IB(mdev, p, &status);
1167
1168                 mthca_cleanup_mcg_table(mdev);
1169                 mthca_cleanup_av_table(mdev);
1170                 mthca_cleanup_qp_table(mdev);
1171                 mthca_cleanup_srq_table(mdev);
1172                 mthca_cleanup_cq_table(mdev);
1173                 mthca_cmd_use_polling(mdev);
1174                 mthca_cleanup_eq_table(mdev);
1175
1176                 mthca_pd_free(mdev, &mdev->driver_pd);
1177
1178                 mthca_cleanup_mr_table(mdev);
1179                 mthca_cleanup_pd_table(mdev);
1180
1181                 iounmap(mdev->kar);
1182                 mthca_uar_free(mdev, &mdev->driver_uar);
1183                 mthca_cleanup_uar_table(mdev);
1184                 mthca_close_hca(mdev);
1185                 mthca_cmd_cleanup(mdev);
1186
1187                 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1188                         pci_disable_msix(pdev);
1189
1190                 ib_dealloc_device(&mdev->ib_dev);
1191                 pci_release_regions(pdev);
1192                 pci_disable_device(pdev);
1193                 pci_set_drvdata(pdev, NULL);
1194         }
1195 }
1196
1197 int __mthca_restart_one(struct pci_dev *pdev)
1198 {
1199         struct mthca_dev *mdev;
1200         int hca_type;
1201
1202         mdev = pci_get_drvdata(pdev);
1203         if (!mdev)
1204                 return -ENODEV;
1205         hca_type = mdev->hca_type;
1206         __mthca_remove_one(pdev);
1207         return __mthca_init_one(pdev, hca_type);
1208 }
1209
1210 static int __devinit mthca_init_one(struct pci_dev *pdev,
1211                                     const struct pci_device_id *id)
1212 {
1213         static int mthca_version_printed = 0;
1214         int ret;
1215
1216         mutex_lock(&mthca_device_mutex);
1217
1218         if (!mthca_version_printed) {
1219                 printk(KERN_INFO "%s", mthca_version);
1220                 ++mthca_version_printed;
1221         }
1222
1223         if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
1224                 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
1225                        pci_name(pdev), id->driver_data);
1226                 mutex_unlock(&mthca_device_mutex);
1227                 return -ENODEV;
1228         }
1229
1230         ret = __mthca_init_one(pdev, id->driver_data);
1231
1232         mutex_unlock(&mthca_device_mutex);
1233
1234         return ret;
1235 }
1236
1237 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1238 {
1239         mutex_lock(&mthca_device_mutex);
1240         __mthca_remove_one(pdev);
1241         mutex_unlock(&mthca_device_mutex);
1242 }
1243
1244 static struct pci_device_id mthca_pci_table[] = {
1245         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1246           .driver_data = TAVOR },
1247         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1248           .driver_data = TAVOR },
1249         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1250           .driver_data = ARBEL_COMPAT },
1251         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1252           .driver_data = ARBEL_COMPAT },
1253         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1254           .driver_data = ARBEL_NATIVE },
1255         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1256           .driver_data = ARBEL_NATIVE },
1257         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1258           .driver_data = SINAI },
1259         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1260           .driver_data = SINAI },
1261         { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1262           .driver_data = SINAI },
1263         { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1264           .driver_data = SINAI },
1265         { 0, }
1266 };
1267
1268 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1269
1270 static struct pci_driver mthca_driver = {
1271         .name           = DRV_NAME,
1272         .id_table       = mthca_pci_table,
1273         .probe          = mthca_init_one,
1274         .remove         = __devexit_p(mthca_remove_one)
1275 };
1276
1277 static void __init __mthca_check_profile_val(const char *name, int *pval,
1278                                              int pval_default)
1279 {
1280         /* value must be positive and power of 2 */
1281         int old_pval = *pval;
1282
1283         if (old_pval <= 0)
1284                 *pval = pval_default;
1285         else
1286                 *pval = roundup_pow_of_two(old_pval);
1287
1288         if (old_pval != *pval) {
1289                 printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n",
1290                        old_pval, name);
1291                 printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval);
1292         }
1293 }
1294
1295 #define mthca_check_profile_val(name, default)                          \
1296         __mthca_check_profile_val(#name, &hca_profile.name, default)
1297
1298 static void __init mthca_validate_profile(void)
1299 {
1300         mthca_check_profile_val(num_qp,            MTHCA_DEFAULT_NUM_QP);
1301         mthca_check_profile_val(rdb_per_qp,        MTHCA_DEFAULT_RDB_PER_QP);
1302         mthca_check_profile_val(num_cq,            MTHCA_DEFAULT_NUM_CQ);
1303         mthca_check_profile_val(num_mcg,           MTHCA_DEFAULT_NUM_MCG);
1304         mthca_check_profile_val(num_mpt,           MTHCA_DEFAULT_NUM_MPT);
1305         mthca_check_profile_val(num_mtt,           MTHCA_DEFAULT_NUM_MTT);
1306         mthca_check_profile_val(num_udav,          MTHCA_DEFAULT_NUM_UDAV);
1307         mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS);
1308
1309         if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) {
1310                 printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n",
1311                        hca_profile.fmr_reserved_mtts);
1312                 printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n",
1313                        hca_profile.num_mtt);
1314                 hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2;
1315                 printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
1316                        hca_profile.fmr_reserved_mtts);
1317         }
1318 }
1319
1320 static int __init mthca_init(void)
1321 {
1322         int ret;
1323
1324         mthca_validate_profile();
1325
1326         ret = mthca_catas_init();
1327         if (ret)
1328                 return ret;
1329
1330         ret = pci_register_driver(&mthca_driver);
1331         if (ret < 0) {
1332                 mthca_catas_cleanup();
1333                 return ret;
1334         }
1335
1336         return 0;
1337 }
1338
1339 static void __exit mthca_cleanup(void)
1340 {
1341         pci_unregister_driver(&mthca_driver);
1342         mthca_catas_cleanup();
1343 }
1344
1345 module_init(mthca_init);
1346 module_exit(mthca_cleanup);