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225c7b1f RD |
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 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
6 | * | |
7 | * This software is available to you under a choice of one of two | |
8 | * licenses. You may choose to be licensed under the terms of the GNU | |
9 | * General Public License (GPL) Version 2, available from the file | |
10 | * COPYING in the main directory of this source tree, or the | |
11 | * OpenIB.org BSD license below: | |
12 | * | |
13 | * Redistribution and use in source and binary forms, with or | |
14 | * without modification, are permitted provided that the following | |
15 | * conditions are met: | |
16 | * | |
17 | * - Redistributions of source code must retain the above | |
18 | * copyright notice, this list of conditions and the following | |
19 | * disclaimer. | |
20 | * | |
21 | * - Redistributions in binary form must reproduce the above | |
22 | * copyright notice, this list of conditions and the following | |
23 | * disclaimer in the documentation and/or other materials | |
24 | * provided with the distribution. | |
25 | * | |
26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
33 | * SOFTWARE. | |
34 | */ | |
35 | ||
36 | #include <linux/module.h> | |
37 | #include <linux/init.h> | |
38 | #include <linux/errno.h> | |
39 | #include <linux/pci.h> | |
40 | #include <linux/dma-mapping.h> | |
41 | ||
42 | #include <linux/mlx4/device.h> | |
43 | #include <linux/mlx4/doorbell.h> | |
44 | ||
45 | #include "mlx4.h" | |
46 | #include "fw.h" | |
47 | #include "icm.h" | |
48 | ||
49 | MODULE_AUTHOR("Roland Dreier"); | |
50 | MODULE_DESCRIPTION("Mellanox ConnectX HCA low-level driver"); | |
51 | MODULE_LICENSE("Dual BSD/GPL"); | |
52 | MODULE_VERSION(DRV_VERSION); | |
53 | ||
54 | #ifdef CONFIG_MLX4_DEBUG | |
55 | ||
56 | int mlx4_debug_level = 0; | |
57 | module_param_named(debug_level, mlx4_debug_level, int, 0644); | |
58 | MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0"); | |
59 | ||
60 | #endif /* CONFIG_MLX4_DEBUG */ | |
61 | ||
62 | #ifdef CONFIG_PCI_MSI | |
63 | ||
08fb1055 | 64 | static int msi_x = 1; |
225c7b1f RD |
65 | module_param(msi_x, int, 0444); |
66 | MODULE_PARM_DESC(msi_x, "attempt to use MSI-X if nonzero"); | |
67 | ||
68 | #else /* CONFIG_PCI_MSI */ | |
69 | ||
70 | #define msi_x (0) | |
71 | ||
72 | #endif /* CONFIG_PCI_MSI */ | |
73 | ||
f33afc26 | 74 | static char mlx4_version[] __devinitdata = |
225c7b1f RD |
75 | DRV_NAME ": Mellanox ConnectX core driver v" |
76 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
77 | ||
78 | static struct mlx4_profile default_profile = { | |
9b1f3851 | 79 | .num_qp = 1 << 17, |
225c7b1f | 80 | .num_srq = 1 << 16, |
c9f2ba5e | 81 | .rdmarc_per_qp = 1 << 4, |
225c7b1f RD |
82 | .num_cq = 1 << 16, |
83 | .num_mcg = 1 << 13, | |
84 | .num_mpt = 1 << 17, | |
85 | .num_mtt = 1 << 20, | |
86 | }; | |
87 | ||
3d73c288 | 88 | static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) |
225c7b1f RD |
89 | { |
90 | int err; | |
5ae2a7a8 | 91 | int i; |
225c7b1f RD |
92 | |
93 | err = mlx4_QUERY_DEV_CAP(dev, dev_cap); | |
94 | if (err) { | |
95 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
96 | return err; | |
97 | } | |
98 | ||
99 | if (dev_cap->min_page_sz > PAGE_SIZE) { | |
100 | mlx4_err(dev, "HCA minimum page size of %d bigger than " | |
101 | "kernel PAGE_SIZE of %ld, aborting.\n", | |
102 | dev_cap->min_page_sz, PAGE_SIZE); | |
103 | return -ENODEV; | |
104 | } | |
105 | if (dev_cap->num_ports > MLX4_MAX_PORTS) { | |
106 | mlx4_err(dev, "HCA has %d ports, but we only support %d, " | |
107 | "aborting.\n", | |
108 | dev_cap->num_ports, MLX4_MAX_PORTS); | |
109 | return -ENODEV; | |
110 | } | |
111 | ||
112 | if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) { | |
113 | mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than " | |
114 | "PCI resource 2 size of 0x%llx, aborting.\n", | |
115 | dev_cap->uar_size, | |
116 | (unsigned long long) pci_resource_len(dev->pdev, 2)); | |
117 | return -ENODEV; | |
118 | } | |
119 | ||
120 | dev->caps.num_ports = dev_cap->num_ports; | |
5ae2a7a8 RD |
121 | for (i = 1; i <= dev->caps.num_ports; ++i) { |
122 | dev->caps.vl_cap[i] = dev_cap->max_vl[i]; | |
123 | dev->caps.mtu_cap[i] = dev_cap->max_mtu[i]; | |
124 | dev->caps.gid_table_len[i] = dev_cap->max_gids[i]; | |
125 | dev->caps.pkey_table_len[i] = dev_cap->max_pkeys[i]; | |
126 | dev->caps.port_width_cap[i] = dev_cap->max_port_width[i]; | |
127 | } | |
128 | ||
225c7b1f | 129 | dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; |
225c7b1f RD |
130 | dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; |
131 | dev->caps.bf_reg_size = dev_cap->bf_reg_size; | |
132 | dev->caps.bf_regs_per_page = dev_cap->bf_regs_per_page; | |
133 | dev->caps.max_sq_sg = dev_cap->max_sq_sg; | |
134 | dev->caps.max_rq_sg = dev_cap->max_rq_sg; | |
135 | dev->caps.max_wqes = dev_cap->max_qp_sz; | |
136 | dev->caps.max_qp_init_rdma = dev_cap->max_requester_per_qp; | |
137 | dev->caps.reserved_qps = dev_cap->reserved_qps; | |
138 | dev->caps.max_srq_wqes = dev_cap->max_srq_sz; | |
139 | dev->caps.max_srq_sge = dev_cap->max_rq_sg - 1; | |
140 | dev->caps.reserved_srqs = dev_cap->reserved_srqs; | |
141 | dev->caps.max_sq_desc_sz = dev_cap->max_sq_desc_sz; | |
142 | dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz; | |
143 | dev->caps.num_qp_per_mgm = MLX4_QP_PER_MGM; | |
144 | /* | |
145 | * Subtract 1 from the limit because we need to allocate a | |
146 | * spare CQE so the HCA HW can tell the difference between an | |
147 | * empty CQ and a full CQ. | |
148 | */ | |
149 | dev->caps.max_cqes = dev_cap->max_cq_sz - 1; | |
150 | dev->caps.reserved_cqs = dev_cap->reserved_cqs; | |
151 | dev->caps.reserved_eqs = dev_cap->reserved_eqs; | |
121964ec RD |
152 | dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts, |
153 | MLX4_MTT_ENTRY_PER_SEG); | |
225c7b1f RD |
154 | dev->caps.reserved_mrws = dev_cap->reserved_mrws; |
155 | dev->caps.reserved_uars = dev_cap->reserved_uars; | |
156 | dev->caps.reserved_pds = dev_cap->reserved_pds; | |
225c7b1f | 157 | dev->caps.mtt_entry_sz = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz; |
149983af | 158 | dev->caps.max_msg_sz = dev_cap->max_msg_sz; |
225c7b1f RD |
159 | dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); |
160 | dev->caps.flags = dev_cap->flags; | |
161 | dev->caps.stat_rate_support = dev_cap->stat_rate_support; | |
b832be1e | 162 | dev->caps.max_gso_sz = dev_cap->max_gso_sz; |
225c7b1f RD |
163 | |
164 | return 0; | |
165 | } | |
166 | ||
e8f9b2ed | 167 | static int mlx4_load_fw(struct mlx4_dev *dev) |
225c7b1f RD |
168 | { |
169 | struct mlx4_priv *priv = mlx4_priv(dev); | |
170 | int err; | |
171 | ||
172 | priv->fw.fw_icm = mlx4_alloc_icm(dev, priv->fw.fw_pages, | |
5b0bf5e2 | 173 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
174 | if (!priv->fw.fw_icm) { |
175 | mlx4_err(dev, "Couldn't allocate FW area, aborting.\n"); | |
176 | return -ENOMEM; | |
177 | } | |
178 | ||
179 | err = mlx4_MAP_FA(dev, priv->fw.fw_icm); | |
180 | if (err) { | |
181 | mlx4_err(dev, "MAP_FA command failed, aborting.\n"); | |
182 | goto err_free; | |
183 | } | |
184 | ||
185 | err = mlx4_RUN_FW(dev); | |
186 | if (err) { | |
187 | mlx4_err(dev, "RUN_FW command failed, aborting.\n"); | |
188 | goto err_unmap_fa; | |
189 | } | |
190 | ||
191 | return 0; | |
192 | ||
193 | err_unmap_fa: | |
194 | mlx4_UNMAP_FA(dev); | |
195 | ||
196 | err_free: | |
5b0bf5e2 | 197 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
198 | return err; |
199 | } | |
200 | ||
e8f9b2ed RD |
201 | static int mlx4_init_cmpt_table(struct mlx4_dev *dev, u64 cmpt_base, |
202 | int cmpt_entry_sz) | |
225c7b1f RD |
203 | { |
204 | struct mlx4_priv *priv = mlx4_priv(dev); | |
205 | int err; | |
206 | ||
207 | err = mlx4_init_icm_table(dev, &priv->qp_table.cmpt_table, | |
208 | cmpt_base + | |
209 | ((u64) (MLX4_CMPT_TYPE_QP * | |
210 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
211 | cmpt_entry_sz, dev->caps.num_qps, | |
5b0bf5e2 | 212 | dev->caps.reserved_qps, 0, 0); |
225c7b1f RD |
213 | if (err) |
214 | goto err; | |
215 | ||
216 | err = mlx4_init_icm_table(dev, &priv->srq_table.cmpt_table, | |
217 | cmpt_base + | |
218 | ((u64) (MLX4_CMPT_TYPE_SRQ * | |
219 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
220 | cmpt_entry_sz, dev->caps.num_srqs, | |
5b0bf5e2 | 221 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
222 | if (err) |
223 | goto err_qp; | |
224 | ||
225 | err = mlx4_init_icm_table(dev, &priv->cq_table.cmpt_table, | |
226 | cmpt_base + | |
227 | ((u64) (MLX4_CMPT_TYPE_CQ * | |
228 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
229 | cmpt_entry_sz, dev->caps.num_cqs, | |
5b0bf5e2 | 230 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
231 | if (err) |
232 | goto err_srq; | |
233 | ||
234 | err = mlx4_init_icm_table(dev, &priv->eq_table.cmpt_table, | |
235 | cmpt_base + | |
236 | ((u64) (MLX4_CMPT_TYPE_EQ * | |
237 | cmpt_entry_sz) << MLX4_CMPT_SHIFT), | |
238 | cmpt_entry_sz, | |
239 | roundup_pow_of_two(MLX4_NUM_EQ + | |
240 | dev->caps.reserved_eqs), | |
5b0bf5e2 | 241 | MLX4_NUM_EQ + dev->caps.reserved_eqs, 0, 0); |
225c7b1f RD |
242 | if (err) |
243 | goto err_cq; | |
244 | ||
245 | return 0; | |
246 | ||
247 | err_cq: | |
248 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
249 | ||
250 | err_srq: | |
251 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
252 | ||
253 | err_qp: | |
254 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
255 | ||
256 | err: | |
257 | return err; | |
258 | } | |
259 | ||
3d73c288 RD |
260 | static int mlx4_init_icm(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap, |
261 | struct mlx4_init_hca_param *init_hca, u64 icm_size) | |
225c7b1f RD |
262 | { |
263 | struct mlx4_priv *priv = mlx4_priv(dev); | |
264 | u64 aux_pages; | |
265 | int err; | |
266 | ||
267 | err = mlx4_SET_ICM_SIZE(dev, icm_size, &aux_pages); | |
268 | if (err) { | |
269 | mlx4_err(dev, "SET_ICM_SIZE command failed, aborting.\n"); | |
270 | return err; | |
271 | } | |
272 | ||
273 | mlx4_dbg(dev, "%lld KB of HCA context requires %lld KB aux memory.\n", | |
274 | (unsigned long long) icm_size >> 10, | |
275 | (unsigned long long) aux_pages << 2); | |
276 | ||
277 | priv->fw.aux_icm = mlx4_alloc_icm(dev, aux_pages, | |
5b0bf5e2 | 278 | GFP_HIGHUSER | __GFP_NOWARN, 0); |
225c7b1f RD |
279 | if (!priv->fw.aux_icm) { |
280 | mlx4_err(dev, "Couldn't allocate aux memory, aborting.\n"); | |
281 | return -ENOMEM; | |
282 | } | |
283 | ||
284 | err = mlx4_MAP_ICM_AUX(dev, priv->fw.aux_icm); | |
285 | if (err) { | |
286 | mlx4_err(dev, "MAP_ICM_AUX command failed, aborting.\n"); | |
287 | goto err_free_aux; | |
288 | } | |
289 | ||
290 | err = mlx4_init_cmpt_table(dev, init_hca->cmpt_base, dev_cap->cmpt_entry_sz); | |
291 | if (err) { | |
292 | mlx4_err(dev, "Failed to map cMPT context memory, aborting.\n"); | |
293 | goto err_unmap_aux; | |
294 | } | |
295 | ||
296 | err = mlx4_map_eq_icm(dev, init_hca->eqc_base); | |
297 | if (err) { | |
298 | mlx4_err(dev, "Failed to map EQ context memory, aborting.\n"); | |
299 | goto err_unmap_cmpt; | |
300 | } | |
301 | ||
d7bb58fb JM |
302 | /* |
303 | * Reserved MTT entries must be aligned up to a cacheline | |
304 | * boundary, since the FW will write to them, while the driver | |
305 | * writes to all other MTT entries. (The variable | |
306 | * dev->caps.mtt_entry_sz below is really the MTT segment | |
307 | * size, not the raw entry size) | |
308 | */ | |
309 | dev->caps.reserved_mtts = | |
310 | ALIGN(dev->caps.reserved_mtts * dev->caps.mtt_entry_sz, | |
311 | dma_get_cache_alignment()) / dev->caps.mtt_entry_sz; | |
312 | ||
225c7b1f RD |
313 | err = mlx4_init_icm_table(dev, &priv->mr_table.mtt_table, |
314 | init_hca->mtt_base, | |
315 | dev->caps.mtt_entry_sz, | |
316 | dev->caps.num_mtt_segs, | |
5b0bf5e2 | 317 | dev->caps.reserved_mtts, 1, 0); |
225c7b1f RD |
318 | if (err) { |
319 | mlx4_err(dev, "Failed to map MTT context memory, aborting.\n"); | |
320 | goto err_unmap_eq; | |
321 | } | |
322 | ||
323 | err = mlx4_init_icm_table(dev, &priv->mr_table.dmpt_table, | |
324 | init_hca->dmpt_base, | |
325 | dev_cap->dmpt_entry_sz, | |
326 | dev->caps.num_mpts, | |
5b0bf5e2 | 327 | dev->caps.reserved_mrws, 1, 1); |
225c7b1f RD |
328 | if (err) { |
329 | mlx4_err(dev, "Failed to map dMPT context memory, aborting.\n"); | |
330 | goto err_unmap_mtt; | |
331 | } | |
332 | ||
333 | err = mlx4_init_icm_table(dev, &priv->qp_table.qp_table, | |
334 | init_hca->qpc_base, | |
335 | dev_cap->qpc_entry_sz, | |
336 | dev->caps.num_qps, | |
5b0bf5e2 | 337 | dev->caps.reserved_qps, 0, 0); |
225c7b1f RD |
338 | if (err) { |
339 | mlx4_err(dev, "Failed to map QP context memory, aborting.\n"); | |
340 | goto err_unmap_dmpt; | |
341 | } | |
342 | ||
343 | err = mlx4_init_icm_table(dev, &priv->qp_table.auxc_table, | |
344 | init_hca->auxc_base, | |
345 | dev_cap->aux_entry_sz, | |
346 | dev->caps.num_qps, | |
5b0bf5e2 | 347 | dev->caps.reserved_qps, 0, 0); |
225c7b1f RD |
348 | if (err) { |
349 | mlx4_err(dev, "Failed to map AUXC context memory, aborting.\n"); | |
350 | goto err_unmap_qp; | |
351 | } | |
352 | ||
353 | err = mlx4_init_icm_table(dev, &priv->qp_table.altc_table, | |
354 | init_hca->altc_base, | |
355 | dev_cap->altc_entry_sz, | |
356 | dev->caps.num_qps, | |
5b0bf5e2 | 357 | dev->caps.reserved_qps, 0, 0); |
225c7b1f RD |
358 | if (err) { |
359 | mlx4_err(dev, "Failed to map ALTC context memory, aborting.\n"); | |
360 | goto err_unmap_auxc; | |
361 | } | |
362 | ||
363 | err = mlx4_init_icm_table(dev, &priv->qp_table.rdmarc_table, | |
364 | init_hca->rdmarc_base, | |
365 | dev_cap->rdmarc_entry_sz << priv->qp_table.rdmarc_shift, | |
366 | dev->caps.num_qps, | |
5b0bf5e2 | 367 | dev->caps.reserved_qps, 0, 0); |
225c7b1f RD |
368 | if (err) { |
369 | mlx4_err(dev, "Failed to map RDMARC context memory, aborting\n"); | |
370 | goto err_unmap_altc; | |
371 | } | |
372 | ||
373 | err = mlx4_init_icm_table(dev, &priv->cq_table.table, | |
374 | init_hca->cqc_base, | |
375 | dev_cap->cqc_entry_sz, | |
376 | dev->caps.num_cqs, | |
5b0bf5e2 | 377 | dev->caps.reserved_cqs, 0, 0); |
225c7b1f RD |
378 | if (err) { |
379 | mlx4_err(dev, "Failed to map CQ context memory, aborting.\n"); | |
380 | goto err_unmap_rdmarc; | |
381 | } | |
382 | ||
383 | err = mlx4_init_icm_table(dev, &priv->srq_table.table, | |
384 | init_hca->srqc_base, | |
385 | dev_cap->srq_entry_sz, | |
386 | dev->caps.num_srqs, | |
5b0bf5e2 | 387 | dev->caps.reserved_srqs, 0, 0); |
225c7b1f RD |
388 | if (err) { |
389 | mlx4_err(dev, "Failed to map SRQ context memory, aborting.\n"); | |
390 | goto err_unmap_cq; | |
391 | } | |
392 | ||
393 | /* | |
394 | * It's not strictly required, but for simplicity just map the | |
395 | * whole multicast group table now. The table isn't very big | |
396 | * and it's a lot easier than trying to track ref counts. | |
397 | */ | |
398 | err = mlx4_init_icm_table(dev, &priv->mcg_table.table, | |
399 | init_hca->mc_base, MLX4_MGM_ENTRY_SIZE, | |
400 | dev->caps.num_mgms + dev->caps.num_amgms, | |
401 | dev->caps.num_mgms + dev->caps.num_amgms, | |
5b0bf5e2 | 402 | 0, 0); |
225c7b1f RD |
403 | if (err) { |
404 | mlx4_err(dev, "Failed to map MCG context memory, aborting.\n"); | |
405 | goto err_unmap_srq; | |
406 | } | |
407 | ||
408 | return 0; | |
409 | ||
410 | err_unmap_srq: | |
411 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
412 | ||
413 | err_unmap_cq: | |
414 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
415 | ||
416 | err_unmap_rdmarc: | |
417 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
418 | ||
419 | err_unmap_altc: | |
420 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
421 | ||
422 | err_unmap_auxc: | |
423 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
424 | ||
425 | err_unmap_qp: | |
426 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
427 | ||
428 | err_unmap_dmpt: | |
429 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
430 | ||
431 | err_unmap_mtt: | |
432 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
433 | ||
434 | err_unmap_eq: | |
435 | mlx4_unmap_eq_icm(dev); | |
436 | ||
437 | err_unmap_cmpt: | |
438 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
439 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
440 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
441 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
442 | ||
443 | err_unmap_aux: | |
444 | mlx4_UNMAP_ICM_AUX(dev); | |
445 | ||
446 | err_free_aux: | |
5b0bf5e2 | 447 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
448 | |
449 | return err; | |
450 | } | |
451 | ||
452 | static void mlx4_free_icms(struct mlx4_dev *dev) | |
453 | { | |
454 | struct mlx4_priv *priv = mlx4_priv(dev); | |
455 | ||
456 | mlx4_cleanup_icm_table(dev, &priv->mcg_table.table); | |
457 | mlx4_cleanup_icm_table(dev, &priv->srq_table.table); | |
458 | mlx4_cleanup_icm_table(dev, &priv->cq_table.table); | |
459 | mlx4_cleanup_icm_table(dev, &priv->qp_table.rdmarc_table); | |
460 | mlx4_cleanup_icm_table(dev, &priv->qp_table.altc_table); | |
461 | mlx4_cleanup_icm_table(dev, &priv->qp_table.auxc_table); | |
462 | mlx4_cleanup_icm_table(dev, &priv->qp_table.qp_table); | |
463 | mlx4_cleanup_icm_table(dev, &priv->mr_table.dmpt_table); | |
464 | mlx4_cleanup_icm_table(dev, &priv->mr_table.mtt_table); | |
465 | mlx4_cleanup_icm_table(dev, &priv->eq_table.cmpt_table); | |
466 | mlx4_cleanup_icm_table(dev, &priv->cq_table.cmpt_table); | |
467 | mlx4_cleanup_icm_table(dev, &priv->srq_table.cmpt_table); | |
468 | mlx4_cleanup_icm_table(dev, &priv->qp_table.cmpt_table); | |
469 | mlx4_unmap_eq_icm(dev); | |
470 | ||
471 | mlx4_UNMAP_ICM_AUX(dev); | |
5b0bf5e2 | 472 | mlx4_free_icm(dev, priv->fw.aux_icm, 0); |
225c7b1f RD |
473 | } |
474 | ||
475 | static void mlx4_close_hca(struct mlx4_dev *dev) | |
476 | { | |
477 | mlx4_CLOSE_HCA(dev, 0); | |
478 | mlx4_free_icms(dev); | |
479 | mlx4_UNMAP_FA(dev); | |
5b0bf5e2 | 480 | mlx4_free_icm(dev, mlx4_priv(dev)->fw.fw_icm, 0); |
225c7b1f RD |
481 | } |
482 | ||
3d73c288 | 483 | static int mlx4_init_hca(struct mlx4_dev *dev) |
225c7b1f RD |
484 | { |
485 | struct mlx4_priv *priv = mlx4_priv(dev); | |
486 | struct mlx4_adapter adapter; | |
487 | struct mlx4_dev_cap dev_cap; | |
488 | struct mlx4_profile profile; | |
489 | struct mlx4_init_hca_param init_hca; | |
490 | u64 icm_size; | |
491 | int err; | |
492 | ||
493 | err = mlx4_QUERY_FW(dev); | |
494 | if (err) { | |
495 | mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); | |
496 | return err; | |
497 | } | |
498 | ||
499 | err = mlx4_load_fw(dev); | |
500 | if (err) { | |
501 | mlx4_err(dev, "Failed to start FW, aborting.\n"); | |
502 | return err; | |
503 | } | |
504 | ||
505 | err = mlx4_dev_cap(dev, &dev_cap); | |
506 | if (err) { | |
507 | mlx4_err(dev, "QUERY_DEV_CAP command failed, aborting.\n"); | |
508 | goto err_stop_fw; | |
509 | } | |
510 | ||
511 | profile = default_profile; | |
512 | ||
513 | icm_size = mlx4_make_profile(dev, &profile, &dev_cap, &init_hca); | |
514 | if ((long long) icm_size < 0) { | |
515 | err = icm_size; | |
516 | goto err_stop_fw; | |
517 | } | |
518 | ||
519 | init_hca.log_uar_sz = ilog2(dev->caps.num_uars); | |
520 | ||
521 | err = mlx4_init_icm(dev, &dev_cap, &init_hca, icm_size); | |
522 | if (err) | |
523 | goto err_stop_fw; | |
524 | ||
525 | err = mlx4_INIT_HCA(dev, &init_hca); | |
526 | if (err) { | |
527 | mlx4_err(dev, "INIT_HCA command failed, aborting.\n"); | |
528 | goto err_free_icm; | |
529 | } | |
530 | ||
531 | err = mlx4_QUERY_ADAPTER(dev, &adapter); | |
532 | if (err) { | |
533 | mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); | |
534 | goto err_close; | |
535 | } | |
536 | ||
537 | priv->eq_table.inta_pin = adapter.inta_pin; | |
cd9281d8 | 538 | memcpy(dev->board_id, adapter.board_id, sizeof dev->board_id); |
225c7b1f RD |
539 | |
540 | return 0; | |
541 | ||
542 | err_close: | |
543 | mlx4_close_hca(dev); | |
544 | ||
545 | err_free_icm: | |
546 | mlx4_free_icms(dev); | |
547 | ||
548 | err_stop_fw: | |
549 | mlx4_UNMAP_FA(dev); | |
5b0bf5e2 | 550 | mlx4_free_icm(dev, priv->fw.fw_icm, 0); |
225c7b1f RD |
551 | |
552 | return err; | |
553 | } | |
554 | ||
3d73c288 | 555 | static int mlx4_setup_hca(struct mlx4_dev *dev) |
225c7b1f RD |
556 | { |
557 | struct mlx4_priv *priv = mlx4_priv(dev); | |
558 | int err; | |
559 | ||
225c7b1f RD |
560 | err = mlx4_init_uar_table(dev); |
561 | if (err) { | |
562 | mlx4_err(dev, "Failed to initialize " | |
563 | "user access region table, aborting.\n"); | |
564 | return err; | |
565 | } | |
566 | ||
567 | err = mlx4_uar_alloc(dev, &priv->driver_uar); | |
568 | if (err) { | |
569 | mlx4_err(dev, "Failed to allocate driver access region, " | |
570 | "aborting.\n"); | |
571 | goto err_uar_table_free; | |
572 | } | |
573 | ||
574 | priv->kar = ioremap(priv->driver_uar.pfn << PAGE_SHIFT, PAGE_SIZE); | |
575 | if (!priv->kar) { | |
576 | mlx4_err(dev, "Couldn't map kernel access region, " | |
577 | "aborting.\n"); | |
578 | err = -ENOMEM; | |
579 | goto err_uar_free; | |
580 | } | |
581 | ||
582 | err = mlx4_init_pd_table(dev); | |
583 | if (err) { | |
584 | mlx4_err(dev, "Failed to initialize " | |
585 | "protection domain table, aborting.\n"); | |
586 | goto err_kar_unmap; | |
587 | } | |
588 | ||
589 | err = mlx4_init_mr_table(dev); | |
590 | if (err) { | |
591 | mlx4_err(dev, "Failed to initialize " | |
592 | "memory region table, aborting.\n"); | |
593 | goto err_pd_table_free; | |
594 | } | |
595 | ||
225c7b1f RD |
596 | err = mlx4_init_eq_table(dev); |
597 | if (err) { | |
598 | mlx4_err(dev, "Failed to initialize " | |
599 | "event queue table, aborting.\n"); | |
ee49bd93 | 600 | goto err_mr_table_free; |
225c7b1f RD |
601 | } |
602 | ||
603 | err = mlx4_cmd_use_events(dev); | |
604 | if (err) { | |
605 | mlx4_err(dev, "Failed to switch to event-driven " | |
606 | "firmware commands, aborting.\n"); | |
607 | goto err_eq_table_free; | |
608 | } | |
609 | ||
610 | err = mlx4_NOP(dev); | |
611 | if (err) { | |
08fb1055 MT |
612 | if (dev->flags & MLX4_FLAG_MSI_X) { |
613 | mlx4_warn(dev, "NOP command failed to generate MSI-X " | |
614 | "interrupt IRQ %d).\n", | |
615 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); | |
616 | mlx4_warn(dev, "Trying again without MSI-X.\n"); | |
617 | } else { | |
618 | mlx4_err(dev, "NOP command failed to generate interrupt " | |
619 | "(IRQ %d), aborting.\n", | |
620 | priv->eq_table.eq[MLX4_EQ_ASYNC].irq); | |
225c7b1f | 621 | mlx4_err(dev, "BIOS or ACPI interrupt routing problem?\n"); |
08fb1055 | 622 | } |
225c7b1f RD |
623 | |
624 | goto err_cmd_poll; | |
625 | } | |
626 | ||
627 | mlx4_dbg(dev, "NOP command IRQ test passed\n"); | |
628 | ||
629 | err = mlx4_init_cq_table(dev); | |
630 | if (err) { | |
631 | mlx4_err(dev, "Failed to initialize " | |
632 | "completion queue table, aborting.\n"); | |
633 | goto err_cmd_poll; | |
634 | } | |
635 | ||
636 | err = mlx4_init_srq_table(dev); | |
637 | if (err) { | |
638 | mlx4_err(dev, "Failed to initialize " | |
639 | "shared receive queue table, aborting.\n"); | |
640 | goto err_cq_table_free; | |
641 | } | |
642 | ||
643 | err = mlx4_init_qp_table(dev); | |
644 | if (err) { | |
645 | mlx4_err(dev, "Failed to initialize " | |
646 | "queue pair table, aborting.\n"); | |
647 | goto err_srq_table_free; | |
648 | } | |
649 | ||
650 | err = mlx4_init_mcg_table(dev); | |
651 | if (err) { | |
652 | mlx4_err(dev, "Failed to initialize " | |
653 | "multicast group table, aborting.\n"); | |
654 | goto err_qp_table_free; | |
655 | } | |
656 | ||
657 | return 0; | |
658 | ||
659 | err_qp_table_free: | |
660 | mlx4_cleanup_qp_table(dev); | |
661 | ||
662 | err_srq_table_free: | |
663 | mlx4_cleanup_srq_table(dev); | |
664 | ||
665 | err_cq_table_free: | |
666 | mlx4_cleanup_cq_table(dev); | |
667 | ||
668 | err_cmd_poll: | |
669 | mlx4_cmd_use_polling(dev); | |
670 | ||
671 | err_eq_table_free: | |
672 | mlx4_cleanup_eq_table(dev); | |
673 | ||
ee49bd93 | 674 | err_mr_table_free: |
225c7b1f RD |
675 | mlx4_cleanup_mr_table(dev); |
676 | ||
677 | err_pd_table_free: | |
678 | mlx4_cleanup_pd_table(dev); | |
679 | ||
680 | err_kar_unmap: | |
681 | iounmap(priv->kar); | |
682 | ||
683 | err_uar_free: | |
684 | mlx4_uar_free(dev, &priv->driver_uar); | |
685 | ||
686 | err_uar_table_free: | |
687 | mlx4_cleanup_uar_table(dev); | |
688 | return err; | |
689 | } | |
690 | ||
e8f9b2ed | 691 | static void mlx4_enable_msi_x(struct mlx4_dev *dev) |
225c7b1f RD |
692 | { |
693 | struct mlx4_priv *priv = mlx4_priv(dev); | |
694 | struct msix_entry entries[MLX4_NUM_EQ]; | |
695 | int err; | |
696 | int i; | |
697 | ||
698 | if (msi_x) { | |
699 | for (i = 0; i < MLX4_NUM_EQ; ++i) | |
700 | entries[i].entry = i; | |
701 | ||
702 | err = pci_enable_msix(dev->pdev, entries, ARRAY_SIZE(entries)); | |
703 | if (err) { | |
704 | if (err > 0) | |
705 | mlx4_info(dev, "Only %d MSI-X vectors available, " | |
706 | "not using MSI-X\n", err); | |
707 | goto no_msi; | |
708 | } | |
709 | ||
710 | for (i = 0; i < MLX4_NUM_EQ; ++i) | |
711 | priv->eq_table.eq[i].irq = entries[i].vector; | |
712 | ||
713 | dev->flags |= MLX4_FLAG_MSI_X; | |
714 | return; | |
715 | } | |
716 | ||
717 | no_msi: | |
718 | for (i = 0; i < MLX4_NUM_EQ; ++i) | |
719 | priv->eq_table.eq[i].irq = dev->pdev->irq; | |
720 | } | |
721 | ||
3d73c288 | 722 | static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) |
225c7b1f | 723 | { |
225c7b1f RD |
724 | struct mlx4_priv *priv; |
725 | struct mlx4_dev *dev; | |
726 | int err; | |
727 | ||
225c7b1f RD |
728 | printk(KERN_INFO PFX "Initializing %s\n", |
729 | pci_name(pdev)); | |
730 | ||
731 | err = pci_enable_device(pdev); | |
732 | if (err) { | |
733 | dev_err(&pdev->dev, "Cannot enable PCI device, " | |
734 | "aborting.\n"); | |
735 | return err; | |
736 | } | |
737 | ||
738 | /* | |
739 | * Check for BARs. We expect 0: 1MB, 2: 8MB, 4: DDR (may not | |
740 | * be present) | |
741 | */ | |
742 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) || | |
743 | pci_resource_len(pdev, 0) != 1 << 20) { | |
744 | dev_err(&pdev->dev, "Missing DCS, aborting.\n"); | |
745 | err = -ENODEV; | |
746 | goto err_disable_pdev; | |
747 | } | |
748 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
749 | dev_err(&pdev->dev, "Missing UAR, aborting.\n"); | |
750 | err = -ENODEV; | |
751 | goto err_disable_pdev; | |
752 | } | |
753 | ||
754 | err = pci_request_region(pdev, 0, DRV_NAME); | |
755 | if (err) { | |
756 | dev_err(&pdev->dev, "Cannot request control region, aborting.\n"); | |
757 | goto err_disable_pdev; | |
758 | } | |
759 | ||
760 | err = pci_request_region(pdev, 2, DRV_NAME); | |
761 | if (err) { | |
762 | dev_err(&pdev->dev, "Cannot request UAR region, aborting.\n"); | |
763 | goto err_release_bar0; | |
764 | } | |
765 | ||
766 | pci_set_master(pdev); | |
767 | ||
768 | err = pci_set_dma_mask(pdev, DMA_64BIT_MASK); | |
769 | if (err) { | |
770 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n"); | |
771 | err = pci_set_dma_mask(pdev, DMA_32BIT_MASK); | |
772 | if (err) { | |
773 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting.\n"); | |
774 | goto err_release_bar2; | |
775 | } | |
776 | } | |
777 | err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); | |
778 | if (err) { | |
779 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit " | |
780 | "consistent PCI DMA mask.\n"); | |
781 | err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK); | |
782 | if (err) { | |
783 | dev_err(&pdev->dev, "Can't set consistent PCI DMA mask, " | |
784 | "aborting.\n"); | |
785 | goto err_release_bar2; | |
786 | } | |
787 | } | |
788 | ||
789 | priv = kzalloc(sizeof *priv, GFP_KERNEL); | |
790 | if (!priv) { | |
791 | dev_err(&pdev->dev, "Device struct alloc failed, " | |
792 | "aborting.\n"); | |
793 | err = -ENOMEM; | |
794 | goto err_release_bar2; | |
795 | } | |
796 | ||
797 | dev = &priv->dev; | |
798 | dev->pdev = pdev; | |
b581401e RD |
799 | INIT_LIST_HEAD(&priv->ctx_list); |
800 | spin_lock_init(&priv->ctx_lock); | |
225c7b1f RD |
801 | |
802 | /* | |
803 | * Now reset the HCA before we touch the PCI capabilities or | |
804 | * attempt a firmware command, since a boot ROM may have left | |
805 | * the HCA in an undefined state. | |
806 | */ | |
807 | err = mlx4_reset(dev); | |
808 | if (err) { | |
809 | mlx4_err(dev, "Failed to reset HCA, aborting.\n"); | |
810 | goto err_free_dev; | |
811 | } | |
812 | ||
225c7b1f RD |
813 | if (mlx4_cmd_init(dev)) { |
814 | mlx4_err(dev, "Failed to init command interface, aborting.\n"); | |
815 | goto err_free_dev; | |
816 | } | |
817 | ||
818 | err = mlx4_init_hca(dev); | |
819 | if (err) | |
820 | goto err_cmd; | |
821 | ||
08fb1055 MT |
822 | mlx4_enable_msi_x(dev); |
823 | ||
225c7b1f | 824 | err = mlx4_setup_hca(dev); |
08fb1055 MT |
825 | if (err == -EBUSY && (dev->flags & MLX4_FLAG_MSI_X)) { |
826 | dev->flags &= ~MLX4_FLAG_MSI_X; | |
827 | pci_disable_msix(pdev); | |
828 | err = mlx4_setup_hca(dev); | |
829 | } | |
830 | ||
225c7b1f RD |
831 | if (err) |
832 | goto err_close; | |
833 | ||
834 | err = mlx4_register_device(dev); | |
835 | if (err) | |
836 | goto err_cleanup; | |
837 | ||
838 | pci_set_drvdata(pdev, dev); | |
839 | ||
840 | return 0; | |
841 | ||
842 | err_cleanup: | |
843 | mlx4_cleanup_mcg_table(dev); | |
844 | mlx4_cleanup_qp_table(dev); | |
845 | mlx4_cleanup_srq_table(dev); | |
846 | mlx4_cleanup_cq_table(dev); | |
847 | mlx4_cmd_use_polling(dev); | |
848 | mlx4_cleanup_eq_table(dev); | |
225c7b1f RD |
849 | mlx4_cleanup_mr_table(dev); |
850 | mlx4_cleanup_pd_table(dev); | |
851 | mlx4_cleanup_uar_table(dev); | |
852 | ||
853 | err_close: | |
08fb1055 MT |
854 | if (dev->flags & MLX4_FLAG_MSI_X) |
855 | pci_disable_msix(pdev); | |
856 | ||
225c7b1f RD |
857 | mlx4_close_hca(dev); |
858 | ||
859 | err_cmd: | |
860 | mlx4_cmd_cleanup(dev); | |
861 | ||
862 | err_free_dev: | |
225c7b1f RD |
863 | kfree(priv); |
864 | ||
865 | err_release_bar2: | |
866 | pci_release_region(pdev, 2); | |
867 | ||
868 | err_release_bar0: | |
869 | pci_release_region(pdev, 0); | |
870 | ||
871 | err_disable_pdev: | |
872 | pci_disable_device(pdev); | |
873 | pci_set_drvdata(pdev, NULL); | |
874 | return err; | |
875 | } | |
876 | ||
3d73c288 RD |
877 | static int __devinit mlx4_init_one(struct pci_dev *pdev, |
878 | const struct pci_device_id *id) | |
879 | { | |
880 | static int mlx4_version_printed; | |
881 | ||
882 | if (!mlx4_version_printed) { | |
883 | printk(KERN_INFO "%s", mlx4_version); | |
884 | ++mlx4_version_printed; | |
885 | } | |
886 | ||
b027cacd | 887 | return __mlx4_init_one(pdev, id); |
3d73c288 RD |
888 | } |
889 | ||
890 | static void mlx4_remove_one(struct pci_dev *pdev) | |
225c7b1f RD |
891 | { |
892 | struct mlx4_dev *dev = pci_get_drvdata(pdev); | |
893 | struct mlx4_priv *priv = mlx4_priv(dev); | |
894 | int p; | |
895 | ||
896 | if (dev) { | |
897 | mlx4_unregister_device(dev); | |
898 | ||
899 | for (p = 1; p <= dev->caps.num_ports; ++p) | |
900 | mlx4_CLOSE_PORT(dev, p); | |
901 | ||
902 | mlx4_cleanup_mcg_table(dev); | |
903 | mlx4_cleanup_qp_table(dev); | |
904 | mlx4_cleanup_srq_table(dev); | |
905 | mlx4_cleanup_cq_table(dev); | |
906 | mlx4_cmd_use_polling(dev); | |
907 | mlx4_cleanup_eq_table(dev); | |
225c7b1f RD |
908 | mlx4_cleanup_mr_table(dev); |
909 | mlx4_cleanup_pd_table(dev); | |
910 | ||
911 | iounmap(priv->kar); | |
912 | mlx4_uar_free(dev, &priv->driver_uar); | |
913 | mlx4_cleanup_uar_table(dev); | |
914 | mlx4_close_hca(dev); | |
915 | mlx4_cmd_cleanup(dev); | |
916 | ||
917 | if (dev->flags & MLX4_FLAG_MSI_X) | |
918 | pci_disable_msix(pdev); | |
919 | ||
920 | kfree(priv); | |
921 | pci_release_region(pdev, 2); | |
922 | pci_release_region(pdev, 0); | |
923 | pci_disable_device(pdev); | |
924 | pci_set_drvdata(pdev, NULL); | |
925 | } | |
926 | } | |
927 | ||
ee49bd93 JM |
928 | int mlx4_restart_one(struct pci_dev *pdev) |
929 | { | |
930 | mlx4_remove_one(pdev); | |
3d73c288 | 931 | return __mlx4_init_one(pdev, NULL); |
ee49bd93 JM |
932 | } |
933 | ||
225c7b1f RD |
934 | static struct pci_device_id mlx4_pci_table[] = { |
935 | { PCI_VDEVICE(MELLANOX, 0x6340) }, /* MT25408 "Hermon" SDR */ | |
936 | { PCI_VDEVICE(MELLANOX, 0x634a) }, /* MT25408 "Hermon" DDR */ | |
937 | { PCI_VDEVICE(MELLANOX, 0x6354) }, /* MT25408 "Hermon" QDR */ | |
786f238e JM |
938 | { PCI_VDEVICE(MELLANOX, 0x6732) }, /* MT25408 "Hermon" DDR PCIe gen2 */ |
939 | { PCI_VDEVICE(MELLANOX, 0x673c) }, /* MT25408 "Hermon" QDR PCIe gen2 */ | |
225c7b1f RD |
940 | { 0, } |
941 | }; | |
942 | ||
943 | MODULE_DEVICE_TABLE(pci, mlx4_pci_table); | |
944 | ||
945 | static struct pci_driver mlx4_driver = { | |
946 | .name = DRV_NAME, | |
947 | .id_table = mlx4_pci_table, | |
948 | .probe = mlx4_init_one, | |
949 | .remove = __devexit_p(mlx4_remove_one) | |
950 | }; | |
951 | ||
952 | static int __init mlx4_init(void) | |
953 | { | |
954 | int ret; | |
955 | ||
ee49bd93 JM |
956 | ret = mlx4_catas_init(); |
957 | if (ret) | |
958 | return ret; | |
959 | ||
225c7b1f RD |
960 | ret = pci_register_driver(&mlx4_driver); |
961 | return ret < 0 ? ret : 0; | |
962 | } | |
963 | ||
964 | static void __exit mlx4_cleanup(void) | |
965 | { | |
966 | pci_unregister_driver(&mlx4_driver); | |
ee49bd93 | 967 | mlx4_catas_cleanup(); |
225c7b1f RD |
968 | } |
969 | ||
970 | module_init(mlx4_init); | |
971 | module_exit(mlx4_cleanup); |