?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
pcmcia: CompactFlash driver for PA Semi Electra boards
[pv_ops_mirror.git] / drivers / infiniband / hw / mthca / mthca_main.c
blob60de6f93869e7487fa91696950507b82e22b4267
1 /*
2 * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
4 * Copyright (c) 2005 Mellanox Technologies. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 *
34 * $Id: mthca_main.c 1396 2004-12-28 04:10:27Z roland $
35 */
36
37 #include <linux/module.h>
38 #include <linux/init.h>
39 #include <linux/errno.h>
40 #include <linux/pci.h>
41 #include <linux/interrupt.h>
42
43 #include "mthca_dev.h"
44 #include "mthca_config_reg.h"
45 #include "mthca_cmd.h"
46 #include "mthca_profile.h"
47 #include "mthca_memfree.h"
48
49 MODULE_AUTHOR("Roland Dreier");
50 MODULE_DESCRIPTION("Mellanox InfiniBand HCA low-level driver");
51 MODULE_LICENSE("Dual BSD/GPL");
52 MODULE_VERSION(DRV_VERSION);
53
54 #ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
55
56 int mthca_debug_level = 0;
57 module_param_named(debug_level, mthca_debug_level, int, 0644);
58 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0");
59
60 #endif /* CONFIG_INFINIBAND_MTHCA_DEBUG */
61
62 #ifdef CONFIG_PCI_MSI
63
64 static int msi_x = 1;
65 module_param(msi_x, int, 0444);
66 MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero");
67
68 static int msi = 0;
69 module_param(msi, int, 0444);
70 MODULE_PARM_DESC(msi, "attempt to use MSI if nonzero (deprecated, use MSI-X instead)");
71
72 #else /* CONFIG_PCI_MSI */
73
74 #define msi_x (0)
75 #define msi (0)
76
77 #endif /* CONFIG_PCI_MSI */
78
79 static int tune_pci = 0;
80 module_param(tune_pci, int, 0444);
81 MODULE_PARM_DESC(tune_pci, "increase PCI burst from the default set by BIOS if nonzero");
82
83 DEFINE_MUTEX(mthca_device_mutex);
84
85 #define MTHCA_DEFAULT_NUM_QP (1 << 16)
86 #define MTHCA_DEFAULT_RDB_PER_QP (1 << 2)
87 #define MTHCA_DEFAULT_NUM_CQ (1 << 16)
88 #define MTHCA_DEFAULT_NUM_MCG (1 << 13)
89 #define MTHCA_DEFAULT_NUM_MPT (1 << 17)
90 #define MTHCA_DEFAULT_NUM_MTT (1 << 20)
91 #define MTHCA_DEFAULT_NUM_UDAV (1 << 15)
92 #define MTHCA_DEFAULT_NUM_RESERVED_MTTS (1 << 18)
93 #define MTHCA_DEFAULT_NUM_UARC_SIZE (1 << 18)
94
95 static struct mthca_profile hca_profile = {
96 .num_qp = MTHCA_DEFAULT_NUM_QP,
97 .rdb_per_qp = MTHCA_DEFAULT_RDB_PER_QP,
98 .num_cq = MTHCA_DEFAULT_NUM_CQ,
99 .num_mcg = MTHCA_DEFAULT_NUM_MCG,
100 .num_mpt = MTHCA_DEFAULT_NUM_MPT,
101 .num_mtt = MTHCA_DEFAULT_NUM_MTT,
102 .num_udav = MTHCA_DEFAULT_NUM_UDAV, /* Tavor only */
103 .fmr_reserved_mtts = MTHCA_DEFAULT_NUM_RESERVED_MTTS, /* Tavor only */
104 .uarc_size = MTHCA_DEFAULT_NUM_UARC_SIZE, /* Arbel only */
105 };
106
107 module_param_named(num_qp, hca_profile.num_qp, int, 0444);
108 MODULE_PARM_DESC(num_qp, "maximum number of QPs per HCA");
109
110 module_param_named(rdb_per_qp, hca_profile.rdb_per_qp, int, 0444);
111 MODULE_PARM_DESC(rdb_per_qp, "number of RDB buffers per QP");
112
113 module_param_named(num_cq, hca_profile.num_cq, int, 0444);
114 MODULE_PARM_DESC(num_cq, "maximum number of CQs per HCA");
115
116 module_param_named(num_mcg, hca_profile.num_mcg, int, 0444);
117 MODULE_PARM_DESC(num_mcg, "maximum number of multicast groups per HCA");
118
119 module_param_named(num_mpt, hca_profile.num_mpt, int, 0444);
120 MODULE_PARM_DESC(num_mpt,
121 "maximum number of memory protection table entries per HCA");
122
123 module_param_named(num_mtt, hca_profile.num_mtt, int, 0444);
124 MODULE_PARM_DESC(num_mtt,
125 "maximum number of memory translation table segments per HCA");
126
127 module_param_named(num_udav, hca_profile.num_udav, int, 0444);
128 MODULE_PARM_DESC(num_udav, "maximum number of UD address vectors per HCA");
129
130 module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
131 MODULE_PARM_DESC(fmr_reserved_mtts,
132 "number of memory translation table segments reserved for FMR");
133
134 static const char mthca_version[] __devinitdata =
135 DRV_NAME ": Mellanox InfiniBand HCA driver v"
136 DRV_VERSION " (" DRV_RELDATE ")\n";
137
138 static int mthca_tune_pci(struct mthca_dev *mdev)
139 {
140 if (!tune_pci)
141 return 0;
142
143 /* First try to max out Read Byte Count */
144 if (pci_find_capability(mdev->pdev, PCI_CAP_ID_PCIX)) {
145 if (pcix_set_mmrbc(mdev->pdev, pcix_get_max_mmrbc(mdev->pdev))) {
146 mthca_err(mdev, "Couldn't set PCI-X max read count, "
147 "aborting.\n");
148 return -ENODEV;
149 }
150 } else if (!(mdev->mthca_flags & MTHCA_FLAG_PCIE))
151 mthca_info(mdev, "No PCI-X capability, not setting RBC.\n");
152
153 if (pci_find_capability(mdev->pdev, PCI_CAP_ID_EXP)) {
154 if (pcie_set_readrq(mdev->pdev, 4096)) {
155 mthca_err(mdev, "Couldn't write PCI Express read request, "
156 "aborting.\n");
157 return -ENODEV;
158 }
159 } else if (mdev->mthca_flags & MTHCA_FLAG_PCIE)
160 mthca_info(mdev, "No PCI Express capability, "
161 "not setting Max Read Request Size.\n");
162
163 return 0;
164 }
165
166 static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
167 {
168 int err;
169 u8 status;
170
171 err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
172 if (err) {
173 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
174 return err;
175 }
176 if (status) {
177 mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, "
178 "aborting.\n", status);
179 return -EINVAL;
180 }
181 if (dev_lim->min_page_sz > PAGE_SIZE) {
182 mthca_err(mdev, "HCA minimum page size of %d bigger than "
183 "kernel PAGE_SIZE of %ld, aborting.\n",
184 dev_lim->min_page_sz, PAGE_SIZE);
185 return -ENODEV;
186 }
187 if (dev_lim->num_ports > MTHCA_MAX_PORTS) {
188 mthca_err(mdev, "HCA has %d ports, but we only support %d, "
189 "aborting.\n",
190 dev_lim->num_ports, MTHCA_MAX_PORTS);
191 return -ENODEV;
192 }
193
194 if (dev_lim->uar_size > pci_resource_len(mdev->pdev, 2)) {
195 mthca_err(mdev, "HCA reported UAR size of 0x%x bigger than "
196 "PCI resource 2 size of 0x%llx, aborting.\n",
197 dev_lim->uar_size,
198 (unsigned long long)pci_resource_len(mdev->pdev, 2));
199 return -ENODEV;
200 }
201
202 mdev->limits.num_ports = dev_lim->num_ports;
203 mdev->limits.vl_cap = dev_lim->max_vl;
204 mdev->limits.mtu_cap = dev_lim->max_mtu;
205 mdev->limits.gid_table_len = dev_lim->max_gids;
206 mdev->limits.pkey_table_len = dev_lim->max_pkeys;
207 mdev->limits.local_ca_ack_delay = dev_lim->local_ca_ack_delay;
208 mdev->limits.max_sg = dev_lim->max_sg;
209 mdev->limits.max_wqes = dev_lim->max_qp_sz;
210 mdev->limits.max_qp_init_rdma = dev_lim->max_requester_per_qp;
211 mdev->limits.reserved_qps = dev_lim->reserved_qps;
212 mdev->limits.max_srq_wqes = dev_lim->max_srq_sz;
213 mdev->limits.reserved_srqs = dev_lim->reserved_srqs;
214 mdev->limits.reserved_eecs = dev_lim->reserved_eecs;
215 mdev->limits.max_desc_sz = dev_lim->max_desc_sz;
216 mdev->limits.max_srq_sge = mthca_max_srq_sge(mdev);
217 /*
218 * Subtract 1 from the limit because we need to allocate a
219 * spare CQE so the HCA HW can tell the difference between an
220 * empty CQ and a full CQ.
221 */
222 mdev->limits.max_cqes = dev_lim->max_cq_sz - 1;
223 mdev->limits.reserved_cqs = dev_lim->reserved_cqs;
224 mdev->limits.reserved_eqs = dev_lim->reserved_eqs;
225 mdev->limits.reserved_mtts = dev_lim->reserved_mtts;
226 mdev->limits.reserved_mrws = dev_lim->reserved_mrws;
227 mdev->limits.reserved_uars = dev_lim->reserved_uars;
228 mdev->limits.reserved_pds = dev_lim->reserved_pds;
229 mdev->limits.port_width_cap = dev_lim->max_port_width;
230 mdev->limits.page_size_cap = ~(u32) (dev_lim->min_page_sz - 1);
231 mdev->limits.flags = dev_lim->flags;
232 /*
233 * For old FW that doesn't return static rate support, use a
234 * value of 0x3 (only static rate values of 0 or 1 are handled),
235 * except on Sinai, where even old FW can handle static rate
236 * values of 2 and 3.
237 */
238 if (dev_lim->stat_rate_support)
239 mdev->limits.stat_rate_support = dev_lim->stat_rate_support;
240 else if (mdev->mthca_flags & MTHCA_FLAG_SINAI_OPT)
241 mdev->limits.stat_rate_support = 0xf;
242 else
243 mdev->limits.stat_rate_support = 0x3;
244
245 /* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
246 May be doable since hardware supports it for SRQ.
247
248 IB_DEVICE_N_NOTIFY_CQ is supported by hardware but not by driver.
249
250 IB_DEVICE_SRQ_RESIZE is supported by hardware but SRQ is not
251 supported by driver. */
252 mdev->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
253 IB_DEVICE_PORT_ACTIVE_EVENT |
254 IB_DEVICE_SYS_IMAGE_GUID |
255 IB_DEVICE_RC_RNR_NAK_GEN;
256
257 if (dev_lim->flags & DEV_LIM_FLAG_BAD_PKEY_CNTR)
258 mdev->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
259
260 if (dev_lim->flags & DEV_LIM_FLAG_BAD_QKEY_CNTR)
261 mdev->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
262
263 if (dev_lim->flags & DEV_LIM_FLAG_RAW_MULTI)
264 mdev->device_cap_flags |= IB_DEVICE_RAW_MULTI;
265
266 if (dev_lim->flags & DEV_LIM_FLAG_AUTO_PATH_MIG)
267 mdev->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
268
269 if (dev_lim->flags & DEV_LIM_FLAG_UD_AV_PORT_ENFORCE)
270 mdev->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
271
272 if (dev_lim->flags & DEV_LIM_FLAG_SRQ)
273 mdev->mthca_flags |= MTHCA_FLAG_SRQ;
274
275 return 0;
276 }
277
278 static int mthca_init_tavor(struct mthca_dev *mdev)
279 {
280 u8 status;
281 int err;
282 struct mthca_dev_lim dev_lim;
283 struct mthca_profile profile;
284 struct mthca_init_hca_param init_hca;
285
286 err = mthca_SYS_EN(mdev, &status);
287 if (err) {
288 mthca_err(mdev, "SYS_EN command failed, aborting.\n");
289 return err;
290 }
291 if (status) {
292 mthca_err(mdev, "SYS_EN returned status 0x%02x, "
293 "aborting.\n", status);
294 return -EINVAL;
295 }
296
297 err = mthca_QUERY_FW(mdev, &status);
298 if (err) {
299 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
300 goto err_disable;
301 }
302 if (status) {
303 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
304 "aborting.\n", status);
305 err = -EINVAL;
306 goto err_disable;
307 }
308 err = mthca_QUERY_DDR(mdev, &status);
309 if (err) {
310 mthca_err(mdev, "QUERY_DDR command failed, aborting.\n");
311 goto err_disable;
312 }
313 if (status) {
314 mthca_err(mdev, "QUERY_DDR returned status 0x%02x, "
315 "aborting.\n", status);
316 err = -EINVAL;
317 goto err_disable;
318 }
319
320 err = mthca_dev_lim(mdev, &dev_lim);
321 if (err) {
322 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
323 goto err_disable;
324 }
325
326 profile = hca_profile;
327 profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
328 profile.uarc_size = 0;
329 if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
330 profile.num_srq = dev_lim.max_srqs;
331
332 err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
333 if (err < 0)
334 goto err_disable;
335
336 err = mthca_INIT_HCA(mdev, &init_hca, &status);
337 if (err) {
338 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
339 goto err_disable;
340 }
341 if (status) {
342 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
343 "aborting.\n", status);
344 err = -EINVAL;
345 goto err_disable;
346 }
347
348 return 0;
349
350 err_disable:
351 mthca_SYS_DIS(mdev, &status);
352
353 return err;
354 }
355
356 static int mthca_load_fw(struct mthca_dev *mdev)
357 {
358 u8 status;
359 int err;
360
361 /* FIXME: use HCA-attached memory for FW if present */
362
363 mdev->fw.arbel.fw_icm =
364 mthca_alloc_icm(mdev, mdev->fw.arbel.fw_pages,
365 GFP_HIGHUSER | __GFP_NOWARN, 0);
366 if (!mdev->fw.arbel.fw_icm) {
367 mthca_err(mdev, "Couldn't allocate FW area, aborting.\n");
368 return -ENOMEM;
369 }
370
371 err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status);
372 if (err) {
373 mthca_err(mdev, "MAP_FA command failed, aborting.\n");
374 goto err_free;
375 }
376 if (status) {
377 mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status);
378 err = -EINVAL;
379 goto err_free;
380 }
381 err = mthca_RUN_FW(mdev, &status);
382 if (err) {
383 mthca_err(mdev, "RUN_FW command failed, aborting.\n");
384 goto err_unmap_fa;
385 }
386 if (status) {
387 mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status);
388 err = -EINVAL;
389 goto err_unmap_fa;
390 }
391
392 return 0;
393
394 err_unmap_fa:
395 mthca_UNMAP_FA(mdev, &status);
396
397 err_free:
398 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
399 return err;
400 }
401
402 static int mthca_init_icm(struct mthca_dev *mdev,
403 struct mthca_dev_lim *dev_lim,
404 struct mthca_init_hca_param *init_hca,
405 u64 icm_size)
406 {
407 u64 aux_pages;
408 u8 status;
409 int err;
410
411 err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status);
412 if (err) {
413 mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n");
414 return err;
415 }
416 if (status) {
417 mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, "
418 "aborting.\n", status);
419 return -EINVAL;
420 }
421
422 mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",
423 (unsigned long long) icm_size >> 10,
424 (unsigned long long) aux_pages << 2);
425
426 mdev->fw.arbel.aux_icm = mthca_alloc_icm(mdev, aux_pages,
427 GFP_HIGHUSER | __GFP_NOWARN, 0);
428 if (!mdev->fw.arbel.aux_icm) {
429 mthca_err(mdev, "Couldn't allocate aux memory, aborting.\n");
430 return -ENOMEM;
431 }
432
433 err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status);
434 if (err) {
435 mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n");
436 goto err_free_aux;
437 }
438 if (status) {
439 mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status);
440 err = -EINVAL;
441 goto err_free_aux;
442 }
443
444 err = mthca_map_eq_icm(mdev, init_hca->eqc_base);
445 if (err) {
446 mthca_err(mdev, "Failed to map EQ context memory, aborting.\n");
447 goto err_unmap_aux;
448 }
449
450 /* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
451 mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE,
452 dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE;
453
454 mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
455 MTHCA_MTT_SEG_SIZE,
456 mdev->limits.num_mtt_segs,
457 mdev->limits.reserved_mtts,
458 1, 0);
459 if (!mdev->mr_table.mtt_table) {
460 mthca_err(mdev, "Failed to map MTT context memory, aborting.\n");
461 err = -ENOMEM;
462 goto err_unmap_eq;
463 }
464
465 mdev->mr_table.mpt_table = mthca_alloc_icm_table(mdev, init_hca->mpt_base,
466 dev_lim->mpt_entry_sz,
467 mdev->limits.num_mpts,
468 mdev->limits.reserved_mrws,
469 1, 1);
470 if (!mdev->mr_table.mpt_table) {
471 mthca_err(mdev, "Failed to map MPT context memory, aborting.\n");
472 err = -ENOMEM;
473 goto err_unmap_mtt;
474 }
475
476 mdev->qp_table.qp_table = mthca_alloc_icm_table(mdev, init_hca->qpc_base,
477 dev_lim->qpc_entry_sz,
478 mdev->limits.num_qps,
479 mdev->limits.reserved_qps,
480 0, 0);
481 if (!mdev->qp_table.qp_table) {
482 mthca_err(mdev, "Failed to map QP context memory, aborting.\n");
483 err = -ENOMEM;
484 goto err_unmap_mpt;
485 }
486
487 mdev->qp_table.eqp_table = mthca_alloc_icm_table(mdev, init_hca->eqpc_base,
488 dev_lim->eqpc_entry_sz,
489 mdev->limits.num_qps,
490 mdev->limits.reserved_qps,
491 0, 0);
492 if (!mdev->qp_table.eqp_table) {
493 mthca_err(mdev, "Failed to map EQP context memory, aborting.\n");
494 err = -ENOMEM;
495 goto err_unmap_qp;
496 }
497
498 mdev->qp_table.rdb_table = mthca_alloc_icm_table(mdev, init_hca->rdb_base,
499 MTHCA_RDB_ENTRY_SIZE,
500 mdev->limits.num_qps <<
501 mdev->qp_table.rdb_shift, 0,
502 0, 0);
503 if (!mdev->qp_table.rdb_table) {
504 mthca_err(mdev, "Failed to map RDB context memory, aborting\n");
505 err = -ENOMEM;
506 goto err_unmap_eqp;
507 }
508
509 mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
510 dev_lim->cqc_entry_sz,
511 mdev->limits.num_cqs,
512 mdev->limits.reserved_cqs,
513 0, 0);
514 if (!mdev->cq_table.table) {
515 mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
516 err = -ENOMEM;
517 goto err_unmap_rdb;
518 }
519
520 if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
521 mdev->srq_table.table =
522 mthca_alloc_icm_table(mdev, init_hca->srqc_base,
523 dev_lim->srq_entry_sz,
524 mdev->limits.num_srqs,
525 mdev->limits.reserved_srqs,
526 0, 0);
527 if (!mdev->srq_table.table) {
528 mthca_err(mdev, "Failed to map SRQ context memory, "
529 "aborting.\n");
530 err = -ENOMEM;
531 goto err_unmap_cq;
532 }
533 }
534
535 /*
536 * It's not strictly required, but for simplicity just map the
537 * whole multicast group table now. The table isn't very big
538 * and it's a lot easier than trying to track ref counts.
539 */
540 mdev->mcg_table.table = mthca_alloc_icm_table(mdev, init_hca->mc_base,
541 MTHCA_MGM_ENTRY_SIZE,
542 mdev->limits.num_mgms +
543 mdev->limits.num_amgms,
544 mdev->limits.num_mgms +
545 mdev->limits.num_amgms,
546 0, 0);
547 if (!mdev->mcg_table.table) {
548 mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
549 err = -ENOMEM;
550 goto err_unmap_srq;
551 }
552
553 return 0;
554
555 err_unmap_srq:
556 if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
557 mthca_free_icm_table(mdev, mdev->srq_table.table);
558
559 err_unmap_cq:
560 mthca_free_icm_table(mdev, mdev->cq_table.table);
561
562 err_unmap_rdb:
563 mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
564
565 err_unmap_eqp:
566 mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
567
568 err_unmap_qp:
569 mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
570
571 err_unmap_mpt:
572 mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
573
574 err_unmap_mtt:
575 mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
576
577 err_unmap_eq:
578 mthca_unmap_eq_icm(mdev);
579
580 err_unmap_aux:
581 mthca_UNMAP_ICM_AUX(mdev, &status);
582
583 err_free_aux:
584 mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
585
586 return err;
587 }
588
589 static void mthca_free_icms(struct mthca_dev *mdev)
590 {
591 u8 status;
592
593 mthca_free_icm_table(mdev, mdev->mcg_table.table);
594 if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
595 mthca_free_icm_table(mdev, mdev->srq_table.table);
596 mthca_free_icm_table(mdev, mdev->cq_table.table);
597 mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
598 mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
599 mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
600 mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
601 mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
602 mthca_unmap_eq_icm(mdev);
603
604 mthca_UNMAP_ICM_AUX(mdev, &status);
605 mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);
606 }
607
608 static int mthca_init_arbel(struct mthca_dev *mdev)
609 {
610 struct mthca_dev_lim dev_lim;
611 struct mthca_profile profile;
612 struct mthca_init_hca_param init_hca;
613 u64 icm_size;
614 u8 status;
615 int err;
616
617 err = mthca_QUERY_FW(mdev, &status);
618 if (err) {
619 mthca_err(mdev, "QUERY_FW command failed, aborting.\n");
620 return err;
621 }
622 if (status) {
623 mthca_err(mdev, "QUERY_FW returned status 0x%02x, "
624 "aborting.\n", status);
625 return -EINVAL;
626 }
627
628 err = mthca_ENABLE_LAM(mdev, &status);
629 if (err) {
630 mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n");
631 return err;
632 }
633 if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) {
634 mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");
635 mdev->mthca_flags |= MTHCA_FLAG_NO_LAM;
636 } else if (status) {
637 mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, "
638 "aborting.\n", status);
639 return -EINVAL;
640 }
641
642 err = mthca_load_fw(mdev);
643 if (err) {
644 mthca_err(mdev, "Failed to start FW, aborting.\n");
645 goto err_disable;
646 }
647
648 err = mthca_dev_lim(mdev, &dev_lim);
649 if (err) {
650 mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
651 goto err_stop_fw;
652 }
653
654 profile = hca_profile;
655 profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
656 profile.num_udav = 0;
657 if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
658 profile.num_srq = dev_lim.max_srqs;
659
660 icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
661 if ((int) icm_size < 0) {
662 err = icm_size;
663 goto err_stop_fw;
664 }
665
666 err = mthca_init_icm(mdev, &dev_lim, &init_hca, icm_size);
667 if (err)
668 goto err_stop_fw;
669
670 err = mthca_INIT_HCA(mdev, &init_hca, &status);
671 if (err) {
672 mthca_err(mdev, "INIT_HCA command failed, aborting.\n");
673 goto err_free_icm;
674 }
675 if (status) {
676 mthca_err(mdev, "INIT_HCA returned status 0x%02x, "
677 "aborting.\n", status);
678 err = -EINVAL;
679 goto err_free_icm;
680 }
681
682 return 0;
683
684 err_free_icm:
685 mthca_free_icms(mdev);
686
687 err_stop_fw:
688 mthca_UNMAP_FA(mdev, &status);
689 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
690
691 err_disable:
692 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
693 mthca_DISABLE_LAM(mdev, &status);
694
695 return err;
696 }
697
698 static void mthca_close_hca(struct mthca_dev *mdev)
699 {
700 u8 status;
701
702 mthca_CLOSE_HCA(mdev, 0, &status);
703
704 if (mthca_is_memfree(mdev)) {
705 mthca_free_icms(mdev);
706
707 mthca_UNMAP_FA(mdev, &status);
708 mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);
709
710 if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
711 mthca_DISABLE_LAM(mdev, &status);
712 } else
713 mthca_SYS_DIS(mdev, &status);
714 }
715
716 static int mthca_init_hca(struct mthca_dev *mdev)
717 {
718 u8 status;
719 int err;
720 struct mthca_adapter adapter;
721
722 if (mthca_is_memfree(mdev))
723 err = mthca_init_arbel(mdev);
724 else
725 err = mthca_init_tavor(mdev);
726
727 if (err)
728 return err;
729
730 err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
731 if (err) {
732 mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
733 goto err_close;
734 }
735 if (status) {
736 mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
737 "aborting.\n", status);
738 err = -EINVAL;
739 goto err_close;
740 }
741
742 mdev->eq_table.inta_pin = adapter.inta_pin;
743 mdev->rev_id = adapter.revision_id;
744 memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
745
746 return 0;
747
748 err_close:
749 mthca_close_hca(mdev);
750 return err;
751 }
752
753 static int mthca_setup_hca(struct mthca_dev *dev)
754 {
755 int err;
756 u8 status;
757
758 MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock);
759
760 err = mthca_init_uar_table(dev);
761 if (err) {
762 mthca_err(dev, "Failed to initialize "
763 "user access region table, aborting.\n");
764 return err;
765 }
766
767 err = mthca_uar_alloc(dev, &dev->driver_uar);
768 if (err) {
769 mthca_err(dev, "Failed to allocate driver access region, "
770 "aborting.\n");
771 goto err_uar_table_free;
772 }
773
774 dev->kar = ioremap(dev->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
775 if (!dev->kar) {
776 mthca_err(dev, "Couldn't map kernel access region, "
777 "aborting.\n");
778 err = -ENOMEM;
779 goto err_uar_free;
780 }
781
782 err = mthca_init_pd_table(dev);
783 if (err) {
784 mthca_err(dev, "Failed to initialize "
785 "protection domain table, aborting.\n");
786 goto err_kar_unmap;
787 }
788
789 err = mthca_init_mr_table(dev);
790 if (err) {
791 mthca_err(dev, "Failed to initialize "
792 "memory region table, aborting.\n");
793 goto err_pd_table_free;
794 }
795
796 err = mthca_pd_alloc(dev, 1, &dev->driver_pd);
797 if (err) {
798 mthca_err(dev, "Failed to create driver PD, "
799 "aborting.\n");
800 goto err_mr_table_free;
801 }
802
803 err = mthca_init_eq_table(dev);
804 if (err) {
805 mthca_err(dev, "Failed to initialize "
806 "event queue table, aborting.\n");
807 goto err_pd_free;
808 }
809
810 err = mthca_cmd_use_events(dev);
811 if (err) {
812 mthca_err(dev, "Failed to switch to event-driven "
813 "firmware commands, aborting.\n");
814 goto err_eq_table_free;
815 }
816
817 err = mthca_NOP(dev, &status);
818 if (err || status) {
819 if (dev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X)) {
820 mthca_warn(dev, "NOP command failed to generate interrupt "
821 "(IRQ %d).\n",
822 dev->mthca_flags & MTHCA_FLAG_MSI_X ?
823 dev->eq_table.eq[MTHCA_EQ_CMD].msi_x_vector :
824 dev->pdev->irq);
825 mthca_warn(dev, "Trying again with MSI/MSI-X disabled.\n");
826 } else {
827 mthca_err(dev, "NOP command failed to generate interrupt "
828 "(IRQ %d), aborting.\n",
829 dev->pdev->irq);
830 mthca_err(dev, "BIOS or ACPI interrupt routing problem?\n");
831 }
832
833 goto err_cmd_poll;
834 }
835
836 mthca_dbg(dev, "NOP command IRQ test passed\n");
837
838 err = mthca_init_cq_table(dev);
839 if (err) {
840 mthca_err(dev, "Failed to initialize "
841 "completion queue table, aborting.\n");
842 goto err_cmd_poll;
843 }
844
845 err = mthca_init_srq_table(dev);
846 if (err) {
847 mthca_err(dev, "Failed to initialize "
848 "shared receive queue table, aborting.\n");
849 goto err_cq_table_free;
850 }
851
852 err = mthca_init_qp_table(dev);
853 if (err) {
854 mthca_err(dev, "Failed to initialize "
855 "queue pair table, aborting.\n");
856 goto err_srq_table_free;
857 }
858
859 err = mthca_init_av_table(dev);
860 if (err) {
861 mthca_err(dev, "Failed to initialize "
862 "address vector table, aborting.\n");
863 goto err_qp_table_free;
864 }
865
866 err = mthca_init_mcg_table(dev);
867 if (err) {
868 mthca_err(dev, "Failed to initialize "
869 "multicast group table, aborting.\n");
870 goto err_av_table_free;
871 }
872
873 return 0;
874
875 err_av_table_free:
876 mthca_cleanup_av_table(dev);
877
878 err_qp_table_free:
879 mthca_cleanup_qp_table(dev);
880
881 err_srq_table_free:
882 mthca_cleanup_srq_table(dev);
883
884 err_cq_table_free:
885 mthca_cleanup_cq_table(dev);
886
887 err_cmd_poll:
888 mthca_cmd_use_polling(dev);
889
890 err_eq_table_free:
891 mthca_cleanup_eq_table(dev);
892
893 err_pd_free:
894 mthca_pd_free(dev, &dev->driver_pd);
895
896 err_mr_table_free:
897 mthca_cleanup_mr_table(dev);
898
899 err_pd_table_free:
900 mthca_cleanup_pd_table(dev);
901
902 err_kar_unmap:
903 iounmap(dev->kar);
904
905 err_uar_free:
906 mthca_uar_free(dev, &dev->driver_uar);
907
908 err_uar_table_free:
909 mthca_cleanup_uar_table(dev);
910 return err;
911 }
912
913 static int mthca_request_regions(struct pci_dev *pdev, int ddr_hidden)
914 {
915 int err;
916
917 /*
918 * We can't just use pci_request_regions() because the MSI-X
919 * table is right in the middle of the first BAR. If we did
920 * pci_request_region and grab all of the first BAR, then
921 * setting up MSI-X would fail, since the PCI core wants to do
922 * request_mem_region on the MSI-X vector table.
923 *
924 * So just request what we need right now, and request any
925 * other regions we need when setting up EQs.
926 */
927 if (!request_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
928 MTHCA_HCR_SIZE, DRV_NAME))
929 return -EBUSY;
930
931 err = pci_request_region(pdev, 2, DRV_NAME);
932 if (err)
933 goto err_bar2_failed;
934
935 if (!ddr_hidden) {
936 err = pci_request_region(pdev, 4, DRV_NAME);
937 if (err)
938 goto err_bar4_failed;
939 }
940
941 return 0;
942
943 err_bar4_failed:
944 pci_release_region(pdev, 2);
945
946 err_bar2_failed:
947 release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
948 MTHCA_HCR_SIZE);
949
950 return err;
951 }
952
953 static void mthca_release_regions(struct pci_dev *pdev,
954 int ddr_hidden)
955 {
956 if (!ddr_hidden)
957 pci_release_region(pdev, 4);
958
959 pci_release_region(pdev, 2);
960
961 release_mem_region(pci_resource_start(pdev, 0) + MTHCA_HCR_BASE,
962 MTHCA_HCR_SIZE);
963 }
964
965 static int mthca_enable_msi_x(struct mthca_dev *mdev)
966 {
967 struct msix_entry entries[3];
968 int err;
969
970 entries[0].entry = 0;
971 entries[1].entry = 1;
972 entries[2].entry = 2;
973
974 err = pci_enable_msix(mdev->pdev, entries, ARRAY_SIZE(entries));
975 if (err) {
976 if (err > 0)
977 mthca_info(mdev, "Only %d MSI-X vectors available, "
978 "not using MSI-X\n", err);
979 return err;
980 }
981
982 mdev->eq_table.eq[MTHCA_EQ_COMP ].msi_x_vector = entries[0].vector;
983 mdev->eq_table.eq[MTHCA_EQ_ASYNC].msi_x_vector = entries[1].vector;
984 mdev->eq_table.eq[MTHCA_EQ_CMD ].msi_x_vector = entries[2].vector;
985
986 return 0;
987 }
988
989 /* Types of supported HCA */
990 enum {
991 TAVOR, /* MT23108 */
992 ARBEL_COMPAT, /* MT25208 in Tavor compat mode */
993 ARBEL_NATIVE, /* MT25208 with extended features */
994 SINAI /* MT25204 */
995 };
996
997 #define MTHCA_FW_VER(major, minor, subminor) \
998 (((u64) (major) << 32) | ((u64) (minor) << 16) | (u64) (subminor))
999
1000 static struct {
1001 u64 latest_fw;
1002 u32 flags;
1003 } mthca_hca_table[] = {
1004 [TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 5, 0),
1005 .flags = 0 },
1006 [ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 8, 200),
1007 .flags = MTHCA_FLAG_PCIE },
1008 [ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 2, 0),
1009 .flags = MTHCA_FLAG_MEMFREE |
1010 MTHCA_FLAG_PCIE },
1011 [SINAI] = { .latest_fw = MTHCA_FW_VER(1, 2, 0),
1012 .flags = MTHCA_FLAG_MEMFREE |
1013 MTHCA_FLAG_PCIE |
1014 MTHCA_FLAG_SINAI_OPT }
1015 };
1016
1017 static int __mthca_init_one(struct pci_dev *pdev, int hca_type)
1018 {
1019 int ddr_hidden = 0;
1020 int err;
1021 struct mthca_dev *mdev;
1022
1023 printk(KERN_INFO PFX "Initializing %s\n",
1024 pci_name(pdev));
1025
1026 err = pci_enable_device(pdev);
1027 if (err) {
1028 dev_err(&pdev->dev, "Cannot enable PCI device, "
1029 "aborting.\n");
1030 return err;
1031 }
1032
1033 /*
1034 * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not
1035 * be present)
1036 */
1037 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
1038 pci_resource_len(pdev, 0) != 1 << 20) {
1039 dev_err(&pdev->dev, "Missing DCS, aborting.\n");
1040 err = -ENODEV;
1041 goto err_disable_pdev;
1042 }
1043 if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
1044 dev_err(&pdev->dev, "Missing UAR, aborting.\n");
1045 err = -ENODEV;
1046 goto err_disable_pdev;
1047 }
1048 if (!(pci_resource_flags(pdev, 4) & IORESOURCE_MEM))
1049 ddr_hidden = 1;
1050
1051 err = mthca_request_regions(pdev, ddr_hidden);
1052 if (err) {
1053 dev_err(&pdev->dev, "Cannot obtain PCI resources, "
1054 "aborting.\n");
1055 goto err_disable_pdev;
1056 }
1057
1058 pci_set_master(pdev);
1059
1060 err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
1061 if (err) {
1062 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
1063 err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1064 if (err) {
1065 dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n");
1066 goto err_free_res;
1067 }
1068 }
1069 err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
1070 if (err) {
1071 dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
1072 "consistent PCI DMA mask.\n");
1073 err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
1074 if (err) {
1075 dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, "
1076 "aborting.\n");
1077 goto err_free_res;
1078 }
1079 }
1080
1081 mdev = (struct mthca_dev *) ib_alloc_device(sizeof *mdev);
1082 if (!mdev) {
1083 dev_err(&pdev->dev, "Device struct alloc failed, "
1084 "aborting.\n");
1085 err = -ENOMEM;
1086 goto err_free_res;
1087 }
1088
1089 mdev->pdev = pdev;
1090
1091 mdev->mthca_flags = mthca_hca_table[hca_type].flags;
1092 if (ddr_hidden)
1093 mdev->mthca_flags |= MTHCA_FLAG_DDR_HIDDEN;
1094
1095 /*
1096 * Now reset the HCA before we touch the PCI capabilities or
1097 * attempt a firmware command, since a boot ROM may have left
1098 * the HCA in an undefined state.
1099 */
1100 err = mthca_reset(mdev);
1101 if (err) {
1102 mthca_err(mdev, "Failed to reset HCA, aborting.\n");
1103 goto err_free_dev;
1104 }
1105
1106 if (mthca_cmd_init(mdev)) {
1107 mthca_err(mdev, "Failed to init command interface, aborting.\n");
1108 goto err_free_dev;
1109 }
1110
1111 err = mthca_tune_pci(mdev);
1112 if (err)
1113 goto err_cmd;
1114
1115 err = mthca_init_hca(mdev);
1116 if (err)
1117 goto err_cmd;
1118
1119 if (mdev->fw_ver < mthca_hca_table[hca_type].latest_fw) {
1120 mthca_warn(mdev, "HCA FW version %d.%d.%03d is old (%d.%d.%03d is current).\n",
1121 (int) (mdev->fw_ver >> 32), (int) (mdev->fw_ver >> 16) & 0xffff,
1122 (int) (mdev->fw_ver & 0xffff),
1123 (int) (mthca_hca_table[hca_type].latest_fw >> 32),
1124 (int) (mthca_hca_table[hca_type].latest_fw >> 16) & 0xffff,
1125 (int) (mthca_hca_table[hca_type].latest_fw & 0xffff));
1126 mthca_warn(mdev, "If you have problems, try updating your HCA FW.\n");
1127 }
1128
1129 if (msi_x && !mthca_enable_msi_x(mdev))
1130 mdev->mthca_flags |= MTHCA_FLAG_MSI_X;
1131 else if (msi) {
1132 static int warned;
1133
1134 if (!warned) {
1135 printk(KERN_WARNING PFX "WARNING: MSI support will be "
1136 "removed from the ib_mthca driver in January 2008.\n");
1137 printk(KERN_WARNING " If you are using MSI and cannot "
1138 "switch to MSI-X, please tell "
1139 "<general@lists.openfabrics.org>.\n");
1140 ++warned;
1141 }
1142
1143 if (!pci_enable_msi(pdev))
1144 mdev->mthca_flags |= MTHCA_FLAG_MSI;
1145 }
1146
1147 err = mthca_setup_hca(mdev);
1148 if (err == -EBUSY && (mdev->mthca_flags & (MTHCA_FLAG_MSI | MTHCA_FLAG_MSI_X))) {
1149 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1150 pci_disable_msix(pdev);
1151 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1152 pci_disable_msi(pdev);
1153 mdev->mthca_flags &= ~(MTHCA_FLAG_MSI_X | MTHCA_FLAG_MSI);
1154
1155 err = mthca_setup_hca(mdev);
1156 }
1157
1158 if (err)
1159 goto err_close;
1160
1161 err = mthca_register_device(mdev);
1162 if (err)
1163 goto err_cleanup;
1164
1165 err = mthca_create_agents(mdev);
1166 if (err)
1167 goto err_unregister;
1168
1169 pci_set_drvdata(pdev, mdev);
1170 mdev->hca_type = hca_type;
1171
1172 return 0;
1173
1174 err_unregister:
1175 mthca_unregister_device(mdev);
1176
1177 err_cleanup:
1178 mthca_cleanup_mcg_table(mdev);
1179 mthca_cleanup_av_table(mdev);
1180 mthca_cleanup_qp_table(mdev);
1181 mthca_cleanup_srq_table(mdev);
1182 mthca_cleanup_cq_table(mdev);
1183 mthca_cmd_use_polling(mdev);
1184 mthca_cleanup_eq_table(mdev);
1185
1186 mthca_pd_free(mdev, &mdev->driver_pd);
1187
1188 mthca_cleanup_mr_table(mdev);
1189 mthca_cleanup_pd_table(mdev);
1190 mthca_cleanup_uar_table(mdev);
1191
1192 err_close:
1193 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1194 pci_disable_msix(pdev);
1195 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1196 pci_disable_msi(pdev);
1197
1198 mthca_close_hca(mdev);
1199
1200 err_cmd:
1201 mthca_cmd_cleanup(mdev);
1202
1203 err_free_dev:
1204 ib_dealloc_device(&mdev->ib_dev);
1205
1206 err_free_res:
1207 mthca_release_regions(pdev, ddr_hidden);
1208
1209 err_disable_pdev:
1210 pci_disable_device(pdev);
1211 pci_set_drvdata(pdev, NULL);
1212 return err;
1213 }
1214
1215 static void __mthca_remove_one(struct pci_dev *pdev)
1216 {
1217 struct mthca_dev *mdev = pci_get_drvdata(pdev);
1218 u8 status;
1219 int p;
1220
1221 if (mdev) {
1222 mthca_free_agents(mdev);
1223 mthca_unregister_device(mdev);
1224
1225 for (p = 1; p <= mdev->limits.num_ports; ++p)
1226 mthca_CLOSE_IB(mdev, p, &status);
1227
1228 mthca_cleanup_mcg_table(mdev);
1229 mthca_cleanup_av_table(mdev);
1230 mthca_cleanup_qp_table(mdev);
1231 mthca_cleanup_srq_table(mdev);
1232 mthca_cleanup_cq_table(mdev);
1233 mthca_cmd_use_polling(mdev);
1234 mthca_cleanup_eq_table(mdev);
1235
1236 mthca_pd_free(mdev, &mdev->driver_pd);
1237
1238 mthca_cleanup_mr_table(mdev);
1239 mthca_cleanup_pd_table(mdev);
1240
1241 iounmap(mdev->kar);
1242 mthca_uar_free(mdev, &mdev->driver_uar);
1243 mthca_cleanup_uar_table(mdev);
1244 mthca_close_hca(mdev);
1245 mthca_cmd_cleanup(mdev);
1246
1247 if (mdev->mthca_flags & MTHCA_FLAG_MSI_X)
1248 pci_disable_msix(pdev);
1249 if (mdev->mthca_flags & MTHCA_FLAG_MSI)
1250 pci_disable_msi(pdev);
1251
1252 ib_dealloc_device(&mdev->ib_dev);
1253 mthca_release_regions(pdev, mdev->mthca_flags &
1254 MTHCA_FLAG_DDR_HIDDEN);
1255 pci_disable_device(pdev);
1256 pci_set_drvdata(pdev, NULL);
1257 }
1258 }
1259
1260 int __mthca_restart_one(struct pci_dev *pdev)
1261 {
1262 struct mthca_dev *mdev;
1263 int hca_type;
1264
1265 mdev = pci_get_drvdata(pdev);
1266 if (!mdev)
1267 return -ENODEV;
1268 hca_type = mdev->hca_type;
1269 __mthca_remove_one(pdev);
1270 return __mthca_init_one(pdev, hca_type);
1271 }
1272
1273 static int __devinit mthca_init_one(struct pci_dev *pdev,
1274 const struct pci_device_id *id)
1275 {
1276 static int mthca_version_printed = 0;
1277 int ret;
1278
1279 mutex_lock(&mthca_device_mutex);
1280
1281 if (!mthca_version_printed) {
1282 printk(KERN_INFO "%s", mthca_version);
1283 ++mthca_version_printed;
1284 }
1285
1286 if (id->driver_data >= ARRAY_SIZE(mthca_hca_table)) {
1287 printk(KERN_ERR PFX "%s has invalid driver data %lx\n",
1288 pci_name(pdev), id->driver_data);
1289 mutex_unlock(&mthca_device_mutex);
1290 return -ENODEV;
1291 }
1292
1293 ret = __mthca_init_one(pdev, id->driver_data);
1294
1295 mutex_unlock(&mthca_device_mutex);
1296
1297 return ret;
1298 }
1299
1300 static void __devexit mthca_remove_one(struct pci_dev *pdev)
1301 {
1302 mutex_lock(&mthca_device_mutex);
1303 __mthca_remove_one(pdev);
1304 mutex_unlock(&mthca_device_mutex);
1305 }
1306
1307 static struct pci_device_id mthca_pci_table[] = {
1308 { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_TAVOR),
1309 .driver_data = TAVOR },
1310 { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_TAVOR),
1311 .driver_data = TAVOR },
1312 { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1313 .driver_data = ARBEL_COMPAT },
1314 { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT),
1315 .driver_data = ARBEL_COMPAT },
1316 { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_ARBEL),
1317 .driver_data = ARBEL_NATIVE },
1318 { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_ARBEL),
1319 .driver_data = ARBEL_NATIVE },
1320 { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI),
1321 .driver_data = SINAI },
1322 { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI),
1323 .driver_data = SINAI },
1324 { PCI_DEVICE(PCI_VENDOR_ID_MELLANOX, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1325 .driver_data = SINAI },
1326 { PCI_DEVICE(PCI_VENDOR_ID_TOPSPIN, PCI_DEVICE_ID_MELLANOX_SINAI_OLD),
1327 .driver_data = SINAI },
1328 { 0, }
1329 };
1330
1331 MODULE_DEVICE_TABLE(pci, mthca_pci_table);
1332
1333 static struct pci_driver mthca_driver = {
1334 .name = DRV_NAME,
1335 .id_table = mthca_pci_table,
1336 .probe = mthca_init_one,
1337 .remove = __devexit_p(mthca_remove_one)
1338 };
1339
1340 static void __init __mthca_check_profile_val(const char *name, int *pval,
1341 int pval_default)
1342 {
1343 /* value must be positive and power of 2 */
1344 int old_pval = *pval;
1345
1346 if (old_pval <= 0)
1347 *pval = pval_default;
1348 else
1349 *pval = roundup_pow_of_two(old_pval);
1350
1351 if (old_pval != *pval) {
1352 printk(KERN_WARNING PFX "Invalid value %d for %s in module parameter.\n",
1353 old_pval, name);
1354 printk(KERN_WARNING PFX "Corrected %s to %d.\n", name, *pval);
1355 }
1356 }
1357
1358 #define mthca_check_profile_val(name, default) \
1359 __mthca_check_profile_val(#name, &hca_profile.name, default)
1360
1361 static void __init mthca_validate_profile(void)
1362 {
1363 mthca_check_profile_val(num_qp, MTHCA_DEFAULT_NUM_QP);
1364 mthca_check_profile_val(rdb_per_qp, MTHCA_DEFAULT_RDB_PER_QP);
1365 mthca_check_profile_val(num_cq, MTHCA_DEFAULT_NUM_CQ);
1366 mthca_check_profile_val(num_mcg, MTHCA_DEFAULT_NUM_MCG);
1367 mthca_check_profile_val(num_mpt, MTHCA_DEFAULT_NUM_MPT);
1368 mthca_check_profile_val(num_mtt, MTHCA_DEFAULT_NUM_MTT);
1369 mthca_check_profile_val(num_udav, MTHCA_DEFAULT_NUM_UDAV);
1370 mthca_check_profile_val(fmr_reserved_mtts, MTHCA_DEFAULT_NUM_RESERVED_MTTS);
1371
1372 if (hca_profile.fmr_reserved_mtts >= hca_profile.num_mtt) {
1373 printk(KERN_WARNING PFX "Invalid fmr_reserved_mtts module parameter %d.\n",
1374 hca_profile.fmr_reserved_mtts);
1375 printk(KERN_WARNING PFX "(Must be smaller than num_mtt %d)\n",
1376 hca_profile.num_mtt);
1377 hca_profile.fmr_reserved_mtts = hca_profile.num_mtt / 2;
1378 printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
1379 hca_profile.fmr_reserved_mtts);
1380 }
1381 }
1382
1383 static int __init mthca_init(void)
1384 {
1385 int ret;
1386
1387 mthca_validate_profile();
1388
1389 ret = mthca_catas_init();
1390 if (ret)
1391 return ret;
1392
1393 ret = pci_register_driver(&mthca_driver);
1394 if (ret < 0) {
1395 mthca_catas_cleanup();
1396 return ret;
1397 }
1398
1399 return 0;
1400 }
1401
1402 static void __exit mthca_cleanup(void)
1403 {
1404 pci_unregister_driver(&mthca_driver);
1405 mthca_catas_cleanup();
1406 }
1407
1408 module_init(mthca_init);
1409 module_exit(mthca_cleanup);
Mirror for ia64_pv_ops.git