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e126ba97 | 1 | /* |
302bdf68 | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <asm-generic/kmap_types.h> | |
34 | #include <linux/module.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/pci.h> | |
38 | #include <linux/dma-mapping.h> | |
39 | #include <linux/slab.h> | |
40 | #include <linux/io-mapping.h> | |
db058a18 | 41 | #include <linux/interrupt.h> |
e126ba97 EC |
42 | #include <linux/mlx5/driver.h> |
43 | #include <linux/mlx5/cq.h> | |
44 | #include <linux/mlx5/qp.h> | |
45 | #include <linux/mlx5/srq.h> | |
46 | #include <linux/debugfs.h> | |
f66f049f | 47 | #include <linux/kmod.h> |
b775516b | 48 | #include <linux/mlx5/mlx5_ifc.h> |
e126ba97 EC |
49 | #include "mlx5_core.h" |
50 | ||
e126ba97 | 51 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
4ae6c18c | 52 | MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); |
e126ba97 EC |
53 | MODULE_LICENSE("Dual BSD/GPL"); |
54 | MODULE_VERSION(DRIVER_VERSION); | |
55 | ||
56 | int mlx5_core_debug_mask; | |
57 | module_param_named(debug_mask, mlx5_core_debug_mask, int, 0644); | |
58 | MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); | |
59 | ||
9603b61d JM |
60 | #define MLX5_DEFAULT_PROF 2 |
61 | static int prof_sel = MLX5_DEFAULT_PROF; | |
62 | module_param_named(prof_sel, prof_sel, int, 0444); | |
63 | MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); | |
64 | ||
e126ba97 | 65 | struct workqueue_struct *mlx5_core_wq; |
9603b61d JM |
66 | static LIST_HEAD(intf_list); |
67 | static LIST_HEAD(dev_list); | |
68 | static DEFINE_MUTEX(intf_mutex); | |
69 | ||
70 | struct mlx5_device_context { | |
71 | struct list_head list; | |
72 | struct mlx5_interface *intf; | |
73 | void *context; | |
74 | }; | |
75 | ||
76 | static struct mlx5_profile profile[] = { | |
77 | [0] = { | |
78 | .mask = 0, | |
79 | }, | |
80 | [1] = { | |
81 | .mask = MLX5_PROF_MASK_QP_SIZE, | |
82 | .log_max_qp = 12, | |
83 | }, | |
84 | [2] = { | |
85 | .mask = MLX5_PROF_MASK_QP_SIZE | | |
86 | MLX5_PROF_MASK_MR_CACHE, | |
87 | .log_max_qp = 17, | |
88 | .mr_cache[0] = { | |
89 | .size = 500, | |
90 | .limit = 250 | |
91 | }, | |
92 | .mr_cache[1] = { | |
93 | .size = 500, | |
94 | .limit = 250 | |
95 | }, | |
96 | .mr_cache[2] = { | |
97 | .size = 500, | |
98 | .limit = 250 | |
99 | }, | |
100 | .mr_cache[3] = { | |
101 | .size = 500, | |
102 | .limit = 250 | |
103 | }, | |
104 | .mr_cache[4] = { | |
105 | .size = 500, | |
106 | .limit = 250 | |
107 | }, | |
108 | .mr_cache[5] = { | |
109 | .size = 500, | |
110 | .limit = 250 | |
111 | }, | |
112 | .mr_cache[6] = { | |
113 | .size = 500, | |
114 | .limit = 250 | |
115 | }, | |
116 | .mr_cache[7] = { | |
117 | .size = 500, | |
118 | .limit = 250 | |
119 | }, | |
120 | .mr_cache[8] = { | |
121 | .size = 500, | |
122 | .limit = 250 | |
123 | }, | |
124 | .mr_cache[9] = { | |
125 | .size = 500, | |
126 | .limit = 250 | |
127 | }, | |
128 | .mr_cache[10] = { | |
129 | .size = 500, | |
130 | .limit = 250 | |
131 | }, | |
132 | .mr_cache[11] = { | |
133 | .size = 500, | |
134 | .limit = 250 | |
135 | }, | |
136 | .mr_cache[12] = { | |
137 | .size = 64, | |
138 | .limit = 32 | |
139 | }, | |
140 | .mr_cache[13] = { | |
141 | .size = 32, | |
142 | .limit = 16 | |
143 | }, | |
144 | .mr_cache[14] = { | |
145 | .size = 16, | |
146 | .limit = 8 | |
147 | }, | |
148 | .mr_cache[15] = { | |
149 | .size = 8, | |
150 | .limit = 4 | |
151 | }, | |
152 | }, | |
153 | }; | |
e126ba97 EC |
154 | |
155 | static int set_dma_caps(struct pci_dev *pdev) | |
156 | { | |
157 | int err; | |
158 | ||
159 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
160 | if (err) { | |
1a91de28 | 161 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); |
e126ba97 EC |
162 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
163 | if (err) { | |
1a91de28 | 164 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
e126ba97 EC |
165 | return err; |
166 | } | |
167 | } | |
168 | ||
169 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
170 | if (err) { | |
171 | dev_warn(&pdev->dev, | |
1a91de28 | 172 | "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
e126ba97 EC |
173 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
174 | if (err) { | |
175 | dev_err(&pdev->dev, | |
1a91de28 | 176 | "Can't set consistent PCI DMA mask, aborting\n"); |
e126ba97 EC |
177 | return err; |
178 | } | |
179 | } | |
180 | ||
181 | dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); | |
182 | return err; | |
183 | } | |
184 | ||
185 | static int request_bar(struct pci_dev *pdev) | |
186 | { | |
187 | int err = 0; | |
188 | ||
189 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1a91de28 | 190 | dev_err(&pdev->dev, "Missing registers BAR, aborting\n"); |
e126ba97 EC |
191 | return -ENODEV; |
192 | } | |
193 | ||
194 | err = pci_request_regions(pdev, DRIVER_NAME); | |
195 | if (err) | |
196 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
197 | ||
198 | return err; | |
199 | } | |
200 | ||
201 | static void release_bar(struct pci_dev *pdev) | |
202 | { | |
203 | pci_release_regions(pdev); | |
204 | } | |
205 | ||
206 | static int mlx5_enable_msix(struct mlx5_core_dev *dev) | |
207 | { | |
db058a18 SM |
208 | struct mlx5_priv *priv = &dev->priv; |
209 | struct mlx5_eq_table *table = &priv->eq_table; | |
938fe83c | 210 | int num_eqs = 1 << MLX5_CAP_GEN(dev, log_max_eq); |
e126ba97 | 211 | int nvec; |
e126ba97 EC |
212 | int i; |
213 | ||
938fe83c SM |
214 | nvec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + |
215 | MLX5_EQ_VEC_COMP_BASE; | |
e126ba97 EC |
216 | nvec = min_t(int, nvec, num_eqs); |
217 | if (nvec <= MLX5_EQ_VEC_COMP_BASE) | |
218 | return -ENOMEM; | |
219 | ||
db058a18 SM |
220 | priv->msix_arr = kcalloc(nvec, sizeof(*priv->msix_arr), GFP_KERNEL); |
221 | ||
222 | priv->irq_info = kcalloc(nvec, sizeof(*priv->irq_info), GFP_KERNEL); | |
223 | if (!priv->msix_arr || !priv->irq_info) | |
224 | goto err_free_msix; | |
e126ba97 EC |
225 | |
226 | for (i = 0; i < nvec; i++) | |
db058a18 | 227 | priv->msix_arr[i].entry = i; |
e126ba97 | 228 | |
db058a18 | 229 | nvec = pci_enable_msix_range(dev->pdev, priv->msix_arr, |
3a9e161a | 230 | MLX5_EQ_VEC_COMP_BASE + 1, nvec); |
f3c9407b AG |
231 | if (nvec < 0) |
232 | return nvec; | |
e126ba97 | 233 | |
f3c9407b | 234 | table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; |
e126ba97 EC |
235 | |
236 | return 0; | |
db058a18 SM |
237 | |
238 | err_free_msix: | |
239 | kfree(priv->irq_info); | |
240 | kfree(priv->msix_arr); | |
241 | return -ENOMEM; | |
e126ba97 EC |
242 | } |
243 | ||
244 | static void mlx5_disable_msix(struct mlx5_core_dev *dev) | |
245 | { | |
db058a18 | 246 | struct mlx5_priv *priv = &dev->priv; |
e126ba97 EC |
247 | |
248 | pci_disable_msix(dev->pdev); | |
db058a18 SM |
249 | kfree(priv->irq_info); |
250 | kfree(priv->msix_arr); | |
e126ba97 EC |
251 | } |
252 | ||
253 | struct mlx5_reg_host_endianess { | |
254 | u8 he; | |
255 | u8 rsvd[15]; | |
256 | }; | |
257 | ||
87b8de49 EC |
258 | |
259 | #define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) | |
260 | ||
261 | enum { | |
c7a08ac7 EC |
262 | MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | |
263 | MLX5_DEV_CAP_FLAG_DCT, | |
87b8de49 EC |
264 | }; |
265 | ||
c7a08ac7 EC |
266 | static u16 to_fw_pkey_sz(u32 size) |
267 | { | |
268 | switch (size) { | |
269 | case 128: | |
270 | return 0; | |
271 | case 256: | |
272 | return 1; | |
273 | case 512: | |
274 | return 2; | |
275 | case 1024: | |
276 | return 3; | |
277 | case 2048: | |
278 | return 4; | |
279 | case 4096: | |
280 | return 5; | |
281 | default: | |
282 | pr_warn("invalid pkey table size %d\n", size); | |
283 | return 0; | |
284 | } | |
285 | } | |
286 | ||
938fe83c SM |
287 | int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type, |
288 | enum mlx5_cap_mode cap_mode) | |
c7a08ac7 | 289 | { |
b775516b EC |
290 | u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; |
291 | int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); | |
938fe83c SM |
292 | void *out, *hca_caps; |
293 | u16 opmod = (cap_type << 1) | (cap_mode & 0x01); | |
e126ba97 EC |
294 | int err; |
295 | ||
b775516b EC |
296 | memset(in, 0, sizeof(in)); |
297 | out = kzalloc(out_sz, GFP_KERNEL); | |
c7a08ac7 | 298 | if (!out) |
e126ba97 | 299 | return -ENOMEM; |
938fe83c | 300 | |
b775516b EC |
301 | MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); |
302 | MLX5_SET(query_hca_cap_in, in, op_mod, opmod); | |
303 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); | |
304 | if (err) | |
305 | goto query_ex; | |
e126ba97 | 306 | |
b775516b | 307 | err = mlx5_cmd_status_to_err_v2(out); |
c7a08ac7 | 308 | if (err) { |
938fe83c SM |
309 | mlx5_core_warn(dev, |
310 | "QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n", | |
311 | cap_type, cap_mode, err); | |
e126ba97 EC |
312 | goto query_ex; |
313 | } | |
c7a08ac7 | 314 | |
938fe83c SM |
315 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, out, capability); |
316 | ||
317 | switch (cap_mode) { | |
318 | case HCA_CAP_OPMOD_GET_MAX: | |
319 | memcpy(dev->hca_caps_max[cap_type], hca_caps, | |
320 | MLX5_UN_SZ_BYTES(hca_cap_union)); | |
321 | break; | |
322 | case HCA_CAP_OPMOD_GET_CUR: | |
323 | memcpy(dev->hca_caps_cur[cap_type], hca_caps, | |
324 | MLX5_UN_SZ_BYTES(hca_cap_union)); | |
325 | break; | |
326 | default: | |
327 | mlx5_core_warn(dev, | |
328 | "Tried to query dev cap type(%x) with wrong opmode(%x)\n", | |
329 | cap_type, cap_mode); | |
330 | err = -EINVAL; | |
331 | break; | |
332 | } | |
c7a08ac7 EC |
333 | query_ex: |
334 | kfree(out); | |
335 | return err; | |
336 | } | |
337 | ||
b775516b | 338 | static int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz) |
c7a08ac7 | 339 | { |
b775516b | 340 | u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)]; |
c7a08ac7 EC |
341 | int err; |
342 | ||
b775516b | 343 | memset(out, 0, sizeof(out)); |
e126ba97 | 344 | |
b775516b EC |
345 | MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP); |
346 | err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out)); | |
e126ba97 | 347 | if (err) |
c7a08ac7 | 348 | return err; |
e126ba97 | 349 | |
b775516b | 350 | err = mlx5_cmd_status_to_err_v2(out); |
c7a08ac7 EC |
351 | |
352 | return err; | |
353 | } | |
354 | ||
355 | static int handle_hca_cap(struct mlx5_core_dev *dev) | |
356 | { | |
b775516b | 357 | void *set_ctx = NULL; |
c7a08ac7 | 358 | struct mlx5_profile *prof = dev->profile; |
c7a08ac7 | 359 | int err = -ENOMEM; |
b775516b | 360 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); |
938fe83c | 361 | void *set_hca_cap; |
c7a08ac7 | 362 | |
b775516b | 363 | set_ctx = kzalloc(set_sz, GFP_KERNEL); |
c7a08ac7 | 364 | if (!set_ctx) |
e126ba97 | 365 | goto query_ex; |
e126ba97 | 366 | |
938fe83c | 367 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_MAX); |
c7a08ac7 | 368 | if (err) |
e126ba97 | 369 | goto query_ex; |
e126ba97 | 370 | |
938fe83c | 371 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL, HCA_CAP_OPMOD_GET_CUR); |
e126ba97 EC |
372 | if (err) |
373 | goto query_ex; | |
374 | ||
938fe83c SM |
375 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, |
376 | capability); | |
377 | memcpy(set_hca_cap, dev->hca_caps_cur[MLX5_CAP_GENERAL], | |
378 | MLX5_ST_SZ_BYTES(cmd_hca_cap)); | |
379 | ||
380 | mlx5_core_dbg(dev, "Current Pkey table size %d Setting new size %d\n", | |
707c4602 | 381 | mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size)), |
938fe83c | 382 | 128); |
c7a08ac7 | 383 | /* we limit the size of the pkey table to 128 entries for now */ |
938fe83c SM |
384 | MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, |
385 | to_fw_pkey_sz(128)); | |
c7a08ac7 EC |
386 | |
387 | if (prof->mask & MLX5_PROF_MASK_QP_SIZE) | |
938fe83c SM |
388 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, |
389 | prof->log_max_qp); | |
c7a08ac7 | 390 | |
938fe83c SM |
391 | /* disable cmdif checksum */ |
392 | MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); | |
c7a08ac7 | 393 | |
fe1e1876 CS |
394 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); |
395 | ||
b775516b | 396 | err = set_caps(dev, set_ctx, set_sz); |
c7a08ac7 | 397 | |
e126ba97 | 398 | query_ex: |
e126ba97 | 399 | kfree(set_ctx); |
e126ba97 EC |
400 | return err; |
401 | } | |
402 | ||
403 | static int set_hca_ctrl(struct mlx5_core_dev *dev) | |
404 | { | |
405 | struct mlx5_reg_host_endianess he_in; | |
406 | struct mlx5_reg_host_endianess he_out; | |
407 | int err; | |
408 | ||
409 | memset(&he_in, 0, sizeof(he_in)); | |
410 | he_in.he = MLX5_SET_HOST_ENDIANNESS; | |
411 | err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), | |
412 | &he_out, sizeof(he_out), | |
413 | MLX5_REG_HOST_ENDIANNESS, 0, 1); | |
414 | return err; | |
415 | } | |
416 | ||
cd23b14b EC |
417 | static int mlx5_core_enable_hca(struct mlx5_core_dev *dev) |
418 | { | |
419 | int err; | |
420 | struct mlx5_enable_hca_mbox_in in; | |
421 | struct mlx5_enable_hca_mbox_out out; | |
422 | ||
423 | memset(&in, 0, sizeof(in)); | |
424 | memset(&out, 0, sizeof(out)); | |
425 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_ENABLE_HCA); | |
426 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
427 | if (err) | |
428 | return err; | |
429 | ||
430 | if (out.hdr.status) | |
431 | return mlx5_cmd_status_to_err(&out.hdr); | |
432 | ||
433 | return 0; | |
434 | } | |
435 | ||
436 | static int mlx5_core_disable_hca(struct mlx5_core_dev *dev) | |
437 | { | |
438 | int err; | |
439 | struct mlx5_disable_hca_mbox_in in; | |
440 | struct mlx5_disable_hca_mbox_out out; | |
441 | ||
442 | memset(&in, 0, sizeof(in)); | |
443 | memset(&out, 0, sizeof(out)); | |
444 | in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_DISABLE_HCA); | |
445 | err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); | |
446 | if (err) | |
447 | return err; | |
448 | ||
449 | if (out.hdr.status) | |
450 | return mlx5_cmd_status_to_err(&out.hdr); | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
db058a18 SM |
455 | static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) |
456 | { | |
457 | struct mlx5_priv *priv = &mdev->priv; | |
458 | struct msix_entry *msix = priv->msix_arr; | |
459 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; | |
460 | int numa_node = dev_to_node(&mdev->pdev->dev); | |
461 | int err; | |
462 | ||
463 | if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) { | |
464 | mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); | |
465 | return -ENOMEM; | |
466 | } | |
467 | ||
dda922c8 DM |
468 | cpumask_set_cpu(cpumask_local_spread(i, numa_node), |
469 | priv->irq_info[i].mask); | |
db058a18 SM |
470 | |
471 | err = irq_set_affinity_hint(irq, priv->irq_info[i].mask); | |
472 | if (err) { | |
473 | mlx5_core_warn(mdev, "irq_set_affinity_hint failed,irq 0x%.4x", | |
474 | irq); | |
475 | goto err_clear_mask; | |
476 | } | |
477 | ||
478 | return 0; | |
479 | ||
480 | err_clear_mask: | |
481 | free_cpumask_var(priv->irq_info[i].mask); | |
482 | return err; | |
483 | } | |
484 | ||
485 | static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i) | |
486 | { | |
487 | struct mlx5_priv *priv = &mdev->priv; | |
488 | struct msix_entry *msix = priv->msix_arr; | |
489 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; | |
490 | ||
491 | irq_set_affinity_hint(irq, NULL); | |
492 | free_cpumask_var(priv->irq_info[i].mask); | |
493 | } | |
494 | ||
495 | static int mlx5_irq_set_affinity_hints(struct mlx5_core_dev *mdev) | |
496 | { | |
497 | int err; | |
498 | int i; | |
499 | ||
500 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) { | |
501 | err = mlx5_irq_set_affinity_hint(mdev, i); | |
502 | if (err) | |
503 | goto err_out; | |
504 | } | |
505 | ||
506 | return 0; | |
507 | ||
508 | err_out: | |
509 | for (i--; i >= 0; i--) | |
510 | mlx5_irq_clear_affinity_hint(mdev, i); | |
511 | ||
512 | return err; | |
513 | } | |
514 | ||
515 | static void mlx5_irq_clear_affinity_hints(struct mlx5_core_dev *mdev) | |
516 | { | |
517 | int i; | |
518 | ||
519 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) | |
520 | mlx5_irq_clear_affinity_hint(mdev, i); | |
521 | } | |
522 | ||
233d05d2 SM |
523 | int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, int *irqn) |
524 | { | |
525 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
526 | struct mlx5_eq *eq, *n; | |
527 | int err = -ENOENT; | |
528 | ||
529 | spin_lock(&table->lock); | |
530 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { | |
531 | if (eq->index == vector) { | |
532 | *eqn = eq->eqn; | |
533 | *irqn = eq->irqn; | |
534 | err = 0; | |
535 | break; | |
536 | } | |
537 | } | |
538 | spin_unlock(&table->lock); | |
539 | ||
540 | return err; | |
541 | } | |
542 | EXPORT_SYMBOL(mlx5_vector2eqn); | |
543 | ||
544 | static void free_comp_eqs(struct mlx5_core_dev *dev) | |
545 | { | |
546 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
547 | struct mlx5_eq *eq, *n; | |
548 | ||
549 | spin_lock(&table->lock); | |
550 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { | |
551 | list_del(&eq->list); | |
552 | spin_unlock(&table->lock); | |
553 | if (mlx5_destroy_unmap_eq(dev, eq)) | |
554 | mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", | |
555 | eq->eqn); | |
556 | kfree(eq); | |
557 | spin_lock(&table->lock); | |
558 | } | |
559 | spin_unlock(&table->lock); | |
560 | } | |
561 | ||
562 | static int alloc_comp_eqs(struct mlx5_core_dev *dev) | |
563 | { | |
564 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
db058a18 | 565 | char name[MLX5_MAX_IRQ_NAME]; |
233d05d2 SM |
566 | struct mlx5_eq *eq; |
567 | int ncomp_vec; | |
568 | int nent; | |
569 | int err; | |
570 | int i; | |
571 | ||
572 | INIT_LIST_HEAD(&table->comp_eqs_list); | |
573 | ncomp_vec = table->num_comp_vectors; | |
574 | nent = MLX5_COMP_EQ_SIZE; | |
575 | for (i = 0; i < ncomp_vec; i++) { | |
576 | eq = kzalloc(sizeof(*eq), GFP_KERNEL); | |
577 | if (!eq) { | |
578 | err = -ENOMEM; | |
579 | goto clean; | |
580 | } | |
581 | ||
db058a18 | 582 | snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i); |
233d05d2 SM |
583 | err = mlx5_create_map_eq(dev, eq, |
584 | i + MLX5_EQ_VEC_COMP_BASE, nent, 0, | |
585 | name, &dev->priv.uuari.uars[0]); | |
586 | if (err) { | |
587 | kfree(eq); | |
588 | goto clean; | |
589 | } | |
590 | mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); | |
591 | eq->index = i; | |
592 | spin_lock(&table->lock); | |
593 | list_add_tail(&eq->list, &table->comp_eqs_list); | |
594 | spin_unlock(&table->lock); | |
595 | } | |
596 | ||
597 | return 0; | |
598 | ||
599 | clean: | |
600 | free_comp_eqs(dev); | |
601 | return err; | |
602 | } | |
603 | ||
f62b8bb8 AV |
604 | #ifdef CONFIG_MLX5_CORE_EN |
605 | static int mlx5_core_set_issi(struct mlx5_core_dev *dev) | |
606 | { | |
607 | u32 query_in[MLX5_ST_SZ_DW(query_issi_in)]; | |
608 | u32 query_out[MLX5_ST_SZ_DW(query_issi_out)]; | |
609 | u32 set_in[MLX5_ST_SZ_DW(set_issi_in)]; | |
610 | u32 set_out[MLX5_ST_SZ_DW(set_issi_out)]; | |
611 | int err; | |
612 | u32 sup_issi; | |
613 | ||
614 | memset(query_in, 0, sizeof(query_in)); | |
615 | memset(query_out, 0, sizeof(query_out)); | |
616 | ||
617 | MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI); | |
618 | ||
619 | err = mlx5_cmd_exec_check_status(dev, query_in, sizeof(query_in), | |
620 | query_out, sizeof(query_out)); | |
621 | if (err) { | |
622 | if (((struct mlx5_outbox_hdr *)query_out)->status == | |
623 | MLX5_CMD_STAT_BAD_OP_ERR) { | |
624 | pr_debug("Only ISSI 0 is supported\n"); | |
625 | return 0; | |
626 | } | |
627 | ||
628 | pr_err("failed to query ISSI\n"); | |
629 | return err; | |
630 | } | |
631 | ||
632 | sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0); | |
633 | ||
634 | if (sup_issi & (1 << 1)) { | |
635 | memset(set_in, 0, sizeof(set_in)); | |
636 | memset(set_out, 0, sizeof(set_out)); | |
637 | ||
638 | MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI); | |
639 | MLX5_SET(set_issi_in, set_in, current_issi, 1); | |
640 | ||
641 | err = mlx5_cmd_exec_check_status(dev, set_in, sizeof(set_in), | |
642 | set_out, sizeof(set_out)); | |
643 | if (err) { | |
644 | pr_err("failed to set ISSI=1\n"); | |
645 | return err; | |
646 | } | |
647 | ||
648 | dev->issi = 1; | |
649 | ||
650 | return 0; | |
e74a1db0 | 651 | } else if (sup_issi & (1 << 0) || !sup_issi) { |
f62b8bb8 AV |
652 | return 0; |
653 | } | |
654 | ||
655 | return -ENOTSUPP; | |
656 | } | |
657 | #endif | |
658 | ||
9603b61d | 659 | static int mlx5_dev_init(struct mlx5_core_dev *dev, struct pci_dev *pdev) |
e126ba97 EC |
660 | { |
661 | struct mlx5_priv *priv = &dev->priv; | |
662 | int err; | |
663 | ||
664 | dev->pdev = pdev; | |
665 | pci_set_drvdata(dev->pdev, dev); | |
666 | strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); | |
667 | priv->name[MLX5_MAX_NAME_LEN - 1] = 0; | |
668 | ||
669 | mutex_init(&priv->pgdir_mutex); | |
670 | INIT_LIST_HEAD(&priv->pgdir_list); | |
671 | spin_lock_init(&priv->mkey_lock); | |
672 | ||
673 | priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); | |
674 | if (!priv->dbg_root) | |
675 | return -ENOMEM; | |
676 | ||
677 | err = pci_enable_device(pdev); | |
678 | if (err) { | |
1a91de28 | 679 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
e126ba97 EC |
680 | goto err_dbg; |
681 | } | |
682 | ||
683 | err = request_bar(pdev); | |
684 | if (err) { | |
1a91de28 | 685 | dev_err(&pdev->dev, "error requesting BARs, aborting\n"); |
e126ba97 EC |
686 | goto err_disable; |
687 | } | |
688 | ||
689 | pci_set_master(pdev); | |
690 | ||
691 | err = set_dma_caps(pdev); | |
692 | if (err) { | |
693 | dev_err(&pdev->dev, "Failed setting DMA capabilities mask, aborting\n"); | |
694 | goto err_clr_master; | |
695 | } | |
696 | ||
697 | dev->iseg_base = pci_resource_start(dev->pdev, 0); | |
698 | dev->iseg = ioremap(dev->iseg_base, sizeof(*dev->iseg)); | |
699 | if (!dev->iseg) { | |
700 | err = -ENOMEM; | |
701 | dev_err(&pdev->dev, "Failed mapping initialization segment, aborting\n"); | |
702 | goto err_clr_master; | |
703 | } | |
704 | dev_info(&pdev->dev, "firmware version: %d.%d.%d\n", fw_rev_maj(dev), | |
705 | fw_rev_min(dev), fw_rev_sub(dev)); | |
706 | ||
707 | err = mlx5_cmd_init(dev); | |
708 | if (err) { | |
709 | dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); | |
710 | goto err_unmap; | |
711 | } | |
712 | ||
713 | mlx5_pagealloc_init(dev); | |
cd23b14b EC |
714 | |
715 | err = mlx5_core_enable_hca(dev); | |
716 | if (err) { | |
717 | dev_err(&pdev->dev, "enable hca failed\n"); | |
718 | goto err_pagealloc_cleanup; | |
719 | } | |
720 | ||
f62b8bb8 AV |
721 | #ifdef CONFIG_MLX5_CORE_EN |
722 | err = mlx5_core_set_issi(dev); | |
723 | if (err) { | |
724 | dev_err(&pdev->dev, "failed to set issi\n"); | |
725 | goto err_disable_hca; | |
726 | } | |
727 | #endif | |
728 | ||
cd23b14b EC |
729 | err = mlx5_satisfy_startup_pages(dev, 1); |
730 | if (err) { | |
731 | dev_err(&pdev->dev, "failed to allocate boot pages\n"); | |
732 | goto err_disable_hca; | |
733 | } | |
734 | ||
e126ba97 EC |
735 | err = set_hca_ctrl(dev); |
736 | if (err) { | |
737 | dev_err(&pdev->dev, "set_hca_ctrl failed\n"); | |
cd23b14b | 738 | goto reclaim_boot_pages; |
e126ba97 EC |
739 | } |
740 | ||
741 | err = handle_hca_cap(dev); | |
742 | if (err) { | |
743 | dev_err(&pdev->dev, "handle_hca_cap failed\n"); | |
cd23b14b | 744 | goto reclaim_boot_pages; |
e126ba97 EC |
745 | } |
746 | ||
cd23b14b | 747 | err = mlx5_satisfy_startup_pages(dev, 0); |
e126ba97 | 748 | if (err) { |
cd23b14b EC |
749 | dev_err(&pdev->dev, "failed to allocate init pages\n"); |
750 | goto reclaim_boot_pages; | |
e126ba97 EC |
751 | } |
752 | ||
753 | err = mlx5_pagealloc_start(dev); | |
754 | if (err) { | |
755 | dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); | |
cd23b14b | 756 | goto reclaim_boot_pages; |
e126ba97 EC |
757 | } |
758 | ||
759 | err = mlx5_cmd_init_hca(dev); | |
760 | if (err) { | |
761 | dev_err(&pdev->dev, "init hca failed\n"); | |
762 | goto err_pagealloc_stop; | |
763 | } | |
764 | ||
765 | mlx5_start_health_poll(dev); | |
766 | ||
938fe83c | 767 | err = mlx5_query_hca_caps(dev); |
e126ba97 EC |
768 | if (err) { |
769 | dev_err(&pdev->dev, "query hca failed\n"); | |
770 | goto err_stop_poll; | |
771 | } | |
772 | ||
211e6c80 | 773 | err = mlx5_query_board_id(dev); |
e126ba97 | 774 | if (err) { |
211e6c80 | 775 | dev_err(&pdev->dev, "query board id failed\n"); |
e126ba97 EC |
776 | goto err_stop_poll; |
777 | } | |
778 | ||
779 | err = mlx5_enable_msix(dev); | |
780 | if (err) { | |
781 | dev_err(&pdev->dev, "enable msix failed\n"); | |
782 | goto err_stop_poll; | |
783 | } | |
784 | ||
785 | err = mlx5_eq_init(dev); | |
786 | if (err) { | |
787 | dev_err(&pdev->dev, "failed to initialize eq\n"); | |
788 | goto disable_msix; | |
789 | } | |
790 | ||
791 | err = mlx5_alloc_uuars(dev, &priv->uuari); | |
792 | if (err) { | |
793 | dev_err(&pdev->dev, "Failed allocating uar, aborting\n"); | |
794 | goto err_eq_cleanup; | |
795 | } | |
796 | ||
797 | err = mlx5_start_eqs(dev); | |
798 | if (err) { | |
799 | dev_err(&pdev->dev, "Failed to start pages and async EQs\n"); | |
800 | goto err_free_uar; | |
801 | } | |
802 | ||
233d05d2 SM |
803 | err = alloc_comp_eqs(dev); |
804 | if (err) { | |
805 | dev_err(&pdev->dev, "Failed to alloc completion EQs\n"); | |
806 | goto err_stop_eqs; | |
807 | } | |
808 | ||
db058a18 SM |
809 | err = mlx5_irq_set_affinity_hints(dev); |
810 | if (err) { | |
811 | dev_err(&pdev->dev, "Failed to alloc affinity hint cpumask\n"); | |
812 | goto err_free_comp_eqs; | |
813 | } | |
814 | ||
e126ba97 EC |
815 | MLX5_INIT_DOORBELL_LOCK(&priv->cq_uar_lock); |
816 | ||
817 | mlx5_init_cq_table(dev); | |
818 | mlx5_init_qp_table(dev); | |
819 | mlx5_init_srq_table(dev); | |
3bcdb17a | 820 | mlx5_init_mr_table(dev); |
e126ba97 EC |
821 | |
822 | return 0; | |
823 | ||
db058a18 SM |
824 | err_free_comp_eqs: |
825 | free_comp_eqs(dev); | |
826 | ||
233d05d2 SM |
827 | err_stop_eqs: |
828 | mlx5_stop_eqs(dev); | |
829 | ||
e126ba97 EC |
830 | err_free_uar: |
831 | mlx5_free_uuars(dev, &priv->uuari); | |
832 | ||
833 | err_eq_cleanup: | |
834 | mlx5_eq_cleanup(dev); | |
835 | ||
836 | disable_msix: | |
837 | mlx5_disable_msix(dev); | |
838 | ||
839 | err_stop_poll: | |
840 | mlx5_stop_health_poll(dev); | |
1bde6e30 EC |
841 | if (mlx5_cmd_teardown_hca(dev)) { |
842 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); | |
843 | return err; | |
844 | } | |
e126ba97 EC |
845 | |
846 | err_pagealloc_stop: | |
847 | mlx5_pagealloc_stop(dev); | |
848 | ||
cd23b14b | 849 | reclaim_boot_pages: |
e126ba97 EC |
850 | mlx5_reclaim_startup_pages(dev); |
851 | ||
cd23b14b EC |
852 | err_disable_hca: |
853 | mlx5_core_disable_hca(dev); | |
854 | ||
e126ba97 EC |
855 | err_pagealloc_cleanup: |
856 | mlx5_pagealloc_cleanup(dev); | |
857 | mlx5_cmd_cleanup(dev); | |
858 | ||
859 | err_unmap: | |
860 | iounmap(dev->iseg); | |
861 | ||
862 | err_clr_master: | |
863 | pci_clear_master(dev->pdev); | |
864 | release_bar(dev->pdev); | |
865 | ||
866 | err_disable: | |
867 | pci_disable_device(dev->pdev); | |
868 | ||
869 | err_dbg: | |
870 | debugfs_remove(priv->dbg_root); | |
871 | return err; | |
872 | } | |
e126ba97 | 873 | |
9603b61d | 874 | static void mlx5_dev_cleanup(struct mlx5_core_dev *dev) |
e126ba97 EC |
875 | { |
876 | struct mlx5_priv *priv = &dev->priv; | |
877 | ||
878 | mlx5_cleanup_srq_table(dev); | |
879 | mlx5_cleanup_qp_table(dev); | |
880 | mlx5_cleanup_cq_table(dev); | |
db058a18 | 881 | mlx5_irq_clear_affinity_hints(dev); |
233d05d2 | 882 | free_comp_eqs(dev); |
e126ba97 EC |
883 | mlx5_stop_eqs(dev); |
884 | mlx5_free_uuars(dev, &priv->uuari); | |
885 | mlx5_eq_cleanup(dev); | |
886 | mlx5_disable_msix(dev); | |
887 | mlx5_stop_health_poll(dev); | |
1bde6e30 EC |
888 | if (mlx5_cmd_teardown_hca(dev)) { |
889 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); | |
890 | return; | |
891 | } | |
e126ba97 EC |
892 | mlx5_pagealloc_stop(dev); |
893 | mlx5_reclaim_startup_pages(dev); | |
cd23b14b | 894 | mlx5_core_disable_hca(dev); |
e126ba97 EC |
895 | mlx5_pagealloc_cleanup(dev); |
896 | mlx5_cmd_cleanup(dev); | |
897 | iounmap(dev->iseg); | |
898 | pci_clear_master(dev->pdev); | |
899 | release_bar(dev->pdev); | |
900 | pci_disable_device(dev->pdev); | |
901 | debugfs_remove(priv->dbg_root); | |
902 | } | |
9603b61d JM |
903 | |
904 | static void mlx5_add_device(struct mlx5_interface *intf, struct mlx5_priv *priv) | |
905 | { | |
906 | struct mlx5_device_context *dev_ctx; | |
907 | struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); | |
908 | ||
909 | dev_ctx = kmalloc(sizeof(*dev_ctx), GFP_KERNEL); | |
910 | if (!dev_ctx) { | |
911 | pr_warn("mlx5_add_device: alloc context failed\n"); | |
912 | return; | |
913 | } | |
914 | ||
915 | dev_ctx->intf = intf; | |
916 | dev_ctx->context = intf->add(dev); | |
917 | ||
918 | if (dev_ctx->context) { | |
919 | spin_lock_irq(&priv->ctx_lock); | |
920 | list_add_tail(&dev_ctx->list, &priv->ctx_list); | |
921 | spin_unlock_irq(&priv->ctx_lock); | |
922 | } else { | |
923 | kfree(dev_ctx); | |
924 | } | |
925 | } | |
926 | ||
927 | static void mlx5_remove_device(struct mlx5_interface *intf, struct mlx5_priv *priv) | |
928 | { | |
929 | struct mlx5_device_context *dev_ctx; | |
930 | struct mlx5_core_dev *dev = container_of(priv, struct mlx5_core_dev, priv); | |
931 | ||
932 | list_for_each_entry(dev_ctx, &priv->ctx_list, list) | |
933 | if (dev_ctx->intf == intf) { | |
934 | spin_lock_irq(&priv->ctx_lock); | |
935 | list_del(&dev_ctx->list); | |
936 | spin_unlock_irq(&priv->ctx_lock); | |
937 | ||
938 | intf->remove(dev, dev_ctx->context); | |
939 | kfree(dev_ctx); | |
940 | return; | |
941 | } | |
942 | } | |
943 | static int mlx5_register_device(struct mlx5_core_dev *dev) | |
944 | { | |
945 | struct mlx5_priv *priv = &dev->priv; | |
946 | struct mlx5_interface *intf; | |
947 | ||
948 | mutex_lock(&intf_mutex); | |
949 | list_add_tail(&priv->dev_list, &dev_list); | |
950 | list_for_each_entry(intf, &intf_list, list) | |
951 | mlx5_add_device(intf, priv); | |
952 | mutex_unlock(&intf_mutex); | |
953 | ||
954 | return 0; | |
955 | } | |
956 | static void mlx5_unregister_device(struct mlx5_core_dev *dev) | |
957 | { | |
958 | struct mlx5_priv *priv = &dev->priv; | |
959 | struct mlx5_interface *intf; | |
960 | ||
961 | mutex_lock(&intf_mutex); | |
962 | list_for_each_entry(intf, &intf_list, list) | |
963 | mlx5_remove_device(intf, priv); | |
964 | list_del(&priv->dev_list); | |
965 | mutex_unlock(&intf_mutex); | |
966 | } | |
967 | ||
968 | int mlx5_register_interface(struct mlx5_interface *intf) | |
969 | { | |
970 | struct mlx5_priv *priv; | |
971 | ||
972 | if (!intf->add || !intf->remove) | |
973 | return -EINVAL; | |
974 | ||
975 | mutex_lock(&intf_mutex); | |
976 | list_add_tail(&intf->list, &intf_list); | |
977 | list_for_each_entry(priv, &dev_list, dev_list) | |
978 | mlx5_add_device(intf, priv); | |
979 | mutex_unlock(&intf_mutex); | |
980 | ||
981 | return 0; | |
982 | } | |
983 | EXPORT_SYMBOL(mlx5_register_interface); | |
984 | ||
985 | void mlx5_unregister_interface(struct mlx5_interface *intf) | |
986 | { | |
987 | struct mlx5_priv *priv; | |
988 | ||
989 | mutex_lock(&intf_mutex); | |
990 | list_for_each_entry(priv, &dev_list, dev_list) | |
991 | mlx5_remove_device(intf, priv); | |
992 | list_del(&intf->list); | |
993 | mutex_unlock(&intf_mutex); | |
994 | } | |
995 | EXPORT_SYMBOL(mlx5_unregister_interface); | |
996 | ||
64613d94 SM |
997 | void *mlx5_get_protocol_dev(struct mlx5_core_dev *mdev, int protocol) |
998 | { | |
999 | struct mlx5_priv *priv = &mdev->priv; | |
1000 | struct mlx5_device_context *dev_ctx; | |
1001 | unsigned long flags; | |
1002 | void *result = NULL; | |
1003 | ||
1004 | spin_lock_irqsave(&priv->ctx_lock, flags); | |
1005 | ||
1006 | list_for_each_entry(dev_ctx, &mdev->priv.ctx_list, list) | |
1007 | if ((dev_ctx->intf->protocol == protocol) && | |
1008 | dev_ctx->intf->get_dev) { | |
1009 | result = dev_ctx->intf->get_dev(dev_ctx->context); | |
1010 | break; | |
1011 | } | |
1012 | ||
1013 | spin_unlock_irqrestore(&priv->ctx_lock, flags); | |
1014 | ||
1015 | return result; | |
1016 | } | |
1017 | EXPORT_SYMBOL(mlx5_get_protocol_dev); | |
1018 | ||
9603b61d | 1019 | static void mlx5_core_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event, |
4d2f9bbb | 1020 | unsigned long param) |
9603b61d JM |
1021 | { |
1022 | struct mlx5_priv *priv = &dev->priv; | |
1023 | struct mlx5_device_context *dev_ctx; | |
1024 | unsigned long flags; | |
1025 | ||
1026 | spin_lock_irqsave(&priv->ctx_lock, flags); | |
1027 | ||
1028 | list_for_each_entry(dev_ctx, &priv->ctx_list, list) | |
1029 | if (dev_ctx->intf->event) | |
4d2f9bbb | 1030 | dev_ctx->intf->event(dev, dev_ctx->context, event, param); |
9603b61d JM |
1031 | |
1032 | spin_unlock_irqrestore(&priv->ctx_lock, flags); | |
1033 | } | |
1034 | ||
1035 | struct mlx5_core_event_handler { | |
1036 | void (*event)(struct mlx5_core_dev *dev, | |
1037 | enum mlx5_dev_event event, | |
1038 | void *data); | |
1039 | }; | |
1040 | ||
f66f049f EC |
1041 | #define MLX5_IB_MOD "mlx5_ib" |
1042 | ||
9603b61d JM |
1043 | static int init_one(struct pci_dev *pdev, |
1044 | const struct pci_device_id *id) | |
1045 | { | |
1046 | struct mlx5_core_dev *dev; | |
1047 | struct mlx5_priv *priv; | |
1048 | int err; | |
1049 | ||
1050 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
1051 | if (!dev) { | |
1052 | dev_err(&pdev->dev, "kzalloc failed\n"); | |
1053 | return -ENOMEM; | |
1054 | } | |
1055 | priv = &dev->priv; | |
1056 | ||
1057 | pci_set_drvdata(pdev, dev); | |
1058 | ||
1059 | if (prof_sel < 0 || prof_sel >= ARRAY_SIZE(profile)) { | |
1060 | pr_warn("selected profile out of range, selecting default (%d)\n", | |
1061 | MLX5_DEFAULT_PROF); | |
1062 | prof_sel = MLX5_DEFAULT_PROF; | |
1063 | } | |
1064 | dev->profile = &profile[prof_sel]; | |
1065 | dev->event = mlx5_core_event; | |
1066 | ||
364d1798 EC |
1067 | INIT_LIST_HEAD(&priv->ctx_list); |
1068 | spin_lock_init(&priv->ctx_lock); | |
9603b61d JM |
1069 | err = mlx5_dev_init(dev, pdev); |
1070 | if (err) { | |
1071 | dev_err(&pdev->dev, "mlx5_dev_init failed %d\n", err); | |
1072 | goto out; | |
1073 | } | |
1074 | ||
9603b61d JM |
1075 | err = mlx5_register_device(dev); |
1076 | if (err) { | |
1077 | dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); | |
1078 | goto out_init; | |
1079 | } | |
1080 | ||
f66f049f EC |
1081 | err = request_module_nowait(MLX5_IB_MOD); |
1082 | if (err) | |
1083 | pr_info("failed request module on %s\n", MLX5_IB_MOD); | |
1084 | ||
9603b61d JM |
1085 | return 0; |
1086 | ||
1087 | out_init: | |
1088 | mlx5_dev_cleanup(dev); | |
1089 | out: | |
1090 | kfree(dev); | |
1091 | return err; | |
1092 | } | |
1093 | static void remove_one(struct pci_dev *pdev) | |
1094 | { | |
1095 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
1096 | ||
1097 | mlx5_unregister_device(dev); | |
1098 | mlx5_dev_cleanup(dev); | |
1099 | kfree(dev); | |
1100 | } | |
1101 | ||
1102 | static const struct pci_device_id mlx5_core_pci_table[] = { | |
1c755cc5 OG |
1103 | { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ |
1104 | { PCI_VDEVICE(MELLANOX, 0x1012) }, /* Connect-IB VF */ | |
1105 | { PCI_VDEVICE(MELLANOX, 0x1013) }, /* ConnectX-4 */ | |
1106 | { PCI_VDEVICE(MELLANOX, 0x1014) }, /* ConnectX-4 VF */ | |
1107 | { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ | |
1108 | { PCI_VDEVICE(MELLANOX, 0x1016) }, /* ConnectX-4LX VF */ | |
9603b61d JM |
1109 | { 0, } |
1110 | }; | |
1111 | ||
1112 | MODULE_DEVICE_TABLE(pci, mlx5_core_pci_table); | |
1113 | ||
1114 | static struct pci_driver mlx5_core_driver = { | |
1115 | .name = DRIVER_NAME, | |
1116 | .id_table = mlx5_core_pci_table, | |
1117 | .probe = init_one, | |
1118 | .remove = remove_one | |
1119 | }; | |
e126ba97 EC |
1120 | |
1121 | static int __init init(void) | |
1122 | { | |
1123 | int err; | |
1124 | ||
1125 | mlx5_register_debugfs(); | |
1126 | mlx5_core_wq = create_singlethread_workqueue("mlx5_core_wq"); | |
1127 | if (!mlx5_core_wq) { | |
1128 | err = -ENOMEM; | |
1129 | goto err_debug; | |
1130 | } | |
1131 | mlx5_health_init(); | |
1132 | ||
9603b61d JM |
1133 | err = pci_register_driver(&mlx5_core_driver); |
1134 | if (err) | |
1135 | goto err_health; | |
1136 | ||
f62b8bb8 AV |
1137 | #ifdef CONFIG_MLX5_CORE_EN |
1138 | mlx5e_init(); | |
1139 | #endif | |
1140 | ||
e126ba97 EC |
1141 | return 0; |
1142 | ||
9603b61d JM |
1143 | err_health: |
1144 | mlx5_health_cleanup(); | |
1145 | destroy_workqueue(mlx5_core_wq); | |
e126ba97 EC |
1146 | err_debug: |
1147 | mlx5_unregister_debugfs(); | |
1148 | return err; | |
1149 | } | |
1150 | ||
1151 | static void __exit cleanup(void) | |
1152 | { | |
f62b8bb8 AV |
1153 | #ifdef CONFIG_MLX5_CORE_EN |
1154 | mlx5e_cleanup(); | |
1155 | #endif | |
9603b61d | 1156 | pci_unregister_driver(&mlx5_core_driver); |
e126ba97 EC |
1157 | mlx5_health_cleanup(); |
1158 | destroy_workqueue(mlx5_core_wq); | |
1159 | mlx5_unregister_debugfs(); | |
1160 | } | |
1161 | ||
1162 | module_init(init); | |
1163 | module_exit(cleanup); |