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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 | ||
adec640e | 33 | #include <linux/highmem.h> |
e126ba97 EC |
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> |
e3297246 | 42 | #include <linux/delay.h> |
e126ba97 EC |
43 | #include <linux/mlx5/driver.h> |
44 | #include <linux/mlx5/cq.h> | |
45 | #include <linux/mlx5/qp.h> | |
46 | #include <linux/mlx5/srq.h> | |
47 | #include <linux/debugfs.h> | |
f66f049f | 48 | #include <linux/kmod.h> |
b775516b | 49 | #include <linux/mlx5/mlx5_ifc.h> |
5a7b27eb MG |
50 | #ifdef CONFIG_RFS_ACCEL |
51 | #include <linux/cpu_rmap.h> | |
52 | #endif | |
feae9087 | 53 | #include <net/devlink.h> |
e126ba97 | 54 | #include "mlx5_core.h" |
86d722ad | 55 | #include "fs_core.h" |
073bb189 SM |
56 | #ifdef CONFIG_MLX5_CORE_EN |
57 | #include "eswitch.h" | |
58 | #endif | |
e126ba97 | 59 | |
e126ba97 | 60 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
4ae6c18c | 61 | MODULE_DESCRIPTION("Mellanox Connect-IB, ConnectX-4 core driver"); |
e126ba97 EC |
62 | MODULE_LICENSE("Dual BSD/GPL"); |
63 | MODULE_VERSION(DRIVER_VERSION); | |
64 | ||
f663ad98 KH |
65 | unsigned int mlx5_core_debug_mask; |
66 | module_param_named(debug_mask, mlx5_core_debug_mask, uint, 0644); | |
e126ba97 EC |
67 | MODULE_PARM_DESC(debug_mask, "debug mask: 1 = dump cmd data, 2 = dump cmd exec time, 3 = both. Default=0"); |
68 | ||
9603b61d | 69 | #define MLX5_DEFAULT_PROF 2 |
f663ad98 KH |
70 | static unsigned int prof_sel = MLX5_DEFAULT_PROF; |
71 | module_param_named(prof_sel, prof_sel, uint, 0444); | |
9603b61d JM |
72 | MODULE_PARM_DESC(prof_sel, "profile selector. Valid range 0 - 2"); |
73 | ||
f91e6d89 EBE |
74 | enum { |
75 | MLX5_ATOMIC_REQ_MODE_BE = 0x0, | |
76 | MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS = 0x1, | |
77 | }; | |
78 | ||
9603b61d JM |
79 | static struct mlx5_profile profile[] = { |
80 | [0] = { | |
81 | .mask = 0, | |
82 | }, | |
83 | [1] = { | |
84 | .mask = MLX5_PROF_MASK_QP_SIZE, | |
85 | .log_max_qp = 12, | |
86 | }, | |
87 | [2] = { | |
88 | .mask = MLX5_PROF_MASK_QP_SIZE | | |
89 | MLX5_PROF_MASK_MR_CACHE, | |
5f40b4ed | 90 | .log_max_qp = 18, |
9603b61d JM |
91 | .mr_cache[0] = { |
92 | .size = 500, | |
93 | .limit = 250 | |
94 | }, | |
95 | .mr_cache[1] = { | |
96 | .size = 500, | |
97 | .limit = 250 | |
98 | }, | |
99 | .mr_cache[2] = { | |
100 | .size = 500, | |
101 | .limit = 250 | |
102 | }, | |
103 | .mr_cache[3] = { | |
104 | .size = 500, | |
105 | .limit = 250 | |
106 | }, | |
107 | .mr_cache[4] = { | |
108 | .size = 500, | |
109 | .limit = 250 | |
110 | }, | |
111 | .mr_cache[5] = { | |
112 | .size = 500, | |
113 | .limit = 250 | |
114 | }, | |
115 | .mr_cache[6] = { | |
116 | .size = 500, | |
117 | .limit = 250 | |
118 | }, | |
119 | .mr_cache[7] = { | |
120 | .size = 500, | |
121 | .limit = 250 | |
122 | }, | |
123 | .mr_cache[8] = { | |
124 | .size = 500, | |
125 | .limit = 250 | |
126 | }, | |
127 | .mr_cache[9] = { | |
128 | .size = 500, | |
129 | .limit = 250 | |
130 | }, | |
131 | .mr_cache[10] = { | |
132 | .size = 500, | |
133 | .limit = 250 | |
134 | }, | |
135 | .mr_cache[11] = { | |
136 | .size = 500, | |
137 | .limit = 250 | |
138 | }, | |
139 | .mr_cache[12] = { | |
140 | .size = 64, | |
141 | .limit = 32 | |
142 | }, | |
143 | .mr_cache[13] = { | |
144 | .size = 32, | |
145 | .limit = 16 | |
146 | }, | |
147 | .mr_cache[14] = { | |
148 | .size = 16, | |
149 | .limit = 8 | |
150 | }, | |
151 | .mr_cache[15] = { | |
152 | .size = 8, | |
153 | .limit = 4 | |
154 | }, | |
7d0cc6ed AK |
155 | .mr_cache[16] = { |
156 | .size = 8, | |
157 | .limit = 4 | |
158 | }, | |
159 | .mr_cache[17] = { | |
160 | .size = 8, | |
161 | .limit = 4 | |
162 | }, | |
163 | .mr_cache[18] = { | |
164 | .size = 8, | |
165 | .limit = 4 | |
166 | }, | |
167 | .mr_cache[19] = { | |
168 | .size = 4, | |
169 | .limit = 2 | |
170 | }, | |
171 | .mr_cache[20] = { | |
172 | .size = 4, | |
173 | .limit = 2 | |
174 | }, | |
9603b61d JM |
175 | }, |
176 | }; | |
e126ba97 | 177 | |
e3297246 EC |
178 | #define FW_INIT_TIMEOUT_MILI 2000 |
179 | #define FW_INIT_WAIT_MS 2 | |
180 | ||
181 | static int wait_fw_init(struct mlx5_core_dev *dev, u32 max_wait_mili) | |
182 | { | |
183 | unsigned long end = jiffies + msecs_to_jiffies(max_wait_mili); | |
184 | int err = 0; | |
185 | ||
186 | while (fw_initializing(dev)) { | |
187 | if (time_after(jiffies, end)) { | |
188 | err = -EBUSY; | |
189 | break; | |
190 | } | |
191 | msleep(FW_INIT_WAIT_MS); | |
192 | } | |
193 | ||
194 | return err; | |
195 | } | |
196 | ||
012e50e1 HN |
197 | static void mlx5_set_driver_version(struct mlx5_core_dev *dev) |
198 | { | |
199 | int driver_ver_sz = MLX5_FLD_SZ_BYTES(set_driver_version_in, | |
200 | driver_version); | |
201 | u8 in[MLX5_ST_SZ_BYTES(set_driver_version_in)] = {0}; | |
202 | u8 out[MLX5_ST_SZ_BYTES(set_driver_version_out)] = {0}; | |
203 | int remaining_size = driver_ver_sz; | |
204 | char *string; | |
205 | ||
206 | if (!MLX5_CAP_GEN(dev, driver_version)) | |
207 | return; | |
208 | ||
209 | string = MLX5_ADDR_OF(set_driver_version_in, in, driver_version); | |
210 | ||
211 | strncpy(string, "Linux", remaining_size); | |
212 | ||
213 | remaining_size = max_t(int, 0, driver_ver_sz - strlen(string)); | |
214 | strncat(string, ",", remaining_size); | |
215 | ||
216 | remaining_size = max_t(int, 0, driver_ver_sz - strlen(string)); | |
217 | strncat(string, DRIVER_NAME, remaining_size); | |
218 | ||
219 | remaining_size = max_t(int, 0, driver_ver_sz - strlen(string)); | |
220 | strncat(string, ",", remaining_size); | |
221 | ||
222 | remaining_size = max_t(int, 0, driver_ver_sz - strlen(string)); | |
223 | strncat(string, DRIVER_VERSION, remaining_size); | |
224 | ||
225 | /*Send the command*/ | |
226 | MLX5_SET(set_driver_version_in, in, opcode, | |
227 | MLX5_CMD_OP_SET_DRIVER_VERSION); | |
228 | ||
229 | mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); | |
230 | } | |
231 | ||
e126ba97 EC |
232 | static int set_dma_caps(struct pci_dev *pdev) |
233 | { | |
234 | int err; | |
235 | ||
236 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); | |
237 | if (err) { | |
1a91de28 | 238 | dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask\n"); |
e126ba97 EC |
239 | err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); |
240 | if (err) { | |
1a91de28 | 241 | dev_err(&pdev->dev, "Can't set PCI DMA mask, aborting\n"); |
e126ba97 EC |
242 | return err; |
243 | } | |
244 | } | |
245 | ||
246 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); | |
247 | if (err) { | |
248 | dev_warn(&pdev->dev, | |
1a91de28 | 249 | "Warning: couldn't set 64-bit consistent PCI DMA mask\n"); |
e126ba97 EC |
250 | err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); |
251 | if (err) { | |
252 | dev_err(&pdev->dev, | |
1a91de28 | 253 | "Can't set consistent PCI DMA mask, aborting\n"); |
e126ba97 EC |
254 | return err; |
255 | } | |
256 | } | |
257 | ||
258 | dma_set_max_seg_size(&pdev->dev, 2u * 1024 * 1024 * 1024); | |
259 | return err; | |
260 | } | |
261 | ||
89d44f0a MD |
262 | static int mlx5_pci_enable_device(struct mlx5_core_dev *dev) |
263 | { | |
264 | struct pci_dev *pdev = dev->pdev; | |
265 | int err = 0; | |
266 | ||
267 | mutex_lock(&dev->pci_status_mutex); | |
268 | if (dev->pci_status == MLX5_PCI_STATUS_DISABLED) { | |
269 | err = pci_enable_device(pdev); | |
270 | if (!err) | |
271 | dev->pci_status = MLX5_PCI_STATUS_ENABLED; | |
272 | } | |
273 | mutex_unlock(&dev->pci_status_mutex); | |
274 | ||
275 | return err; | |
276 | } | |
277 | ||
278 | static void mlx5_pci_disable_device(struct mlx5_core_dev *dev) | |
279 | { | |
280 | struct pci_dev *pdev = dev->pdev; | |
281 | ||
282 | mutex_lock(&dev->pci_status_mutex); | |
283 | if (dev->pci_status == MLX5_PCI_STATUS_ENABLED) { | |
284 | pci_disable_device(pdev); | |
285 | dev->pci_status = MLX5_PCI_STATUS_DISABLED; | |
286 | } | |
287 | mutex_unlock(&dev->pci_status_mutex); | |
288 | } | |
289 | ||
e126ba97 EC |
290 | static int request_bar(struct pci_dev *pdev) |
291 | { | |
292 | int err = 0; | |
293 | ||
294 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
1a91de28 | 295 | dev_err(&pdev->dev, "Missing registers BAR, aborting\n"); |
e126ba97 EC |
296 | return -ENODEV; |
297 | } | |
298 | ||
299 | err = pci_request_regions(pdev, DRIVER_NAME); | |
300 | if (err) | |
301 | dev_err(&pdev->dev, "Couldn't get PCI resources, aborting\n"); | |
302 | ||
303 | return err; | |
304 | } | |
305 | ||
306 | static void release_bar(struct pci_dev *pdev) | |
307 | { | |
308 | pci_release_regions(pdev); | |
309 | } | |
310 | ||
311 | static int mlx5_enable_msix(struct mlx5_core_dev *dev) | |
312 | { | |
db058a18 SM |
313 | struct mlx5_priv *priv = &dev->priv; |
314 | struct mlx5_eq_table *table = &priv->eq_table; | |
938fe83c | 315 | int num_eqs = 1 << MLX5_CAP_GEN(dev, log_max_eq); |
e126ba97 | 316 | int nvec; |
e126ba97 EC |
317 | int i; |
318 | ||
938fe83c SM |
319 | nvec = MLX5_CAP_GEN(dev, num_ports) * num_online_cpus() + |
320 | MLX5_EQ_VEC_COMP_BASE; | |
e126ba97 EC |
321 | nvec = min_t(int, nvec, num_eqs); |
322 | if (nvec <= MLX5_EQ_VEC_COMP_BASE) | |
323 | return -ENOMEM; | |
324 | ||
db058a18 SM |
325 | priv->msix_arr = kcalloc(nvec, sizeof(*priv->msix_arr), GFP_KERNEL); |
326 | ||
327 | priv->irq_info = kcalloc(nvec, sizeof(*priv->irq_info), GFP_KERNEL); | |
328 | if (!priv->msix_arr || !priv->irq_info) | |
329 | goto err_free_msix; | |
e126ba97 EC |
330 | |
331 | for (i = 0; i < nvec; i++) | |
db058a18 | 332 | priv->msix_arr[i].entry = i; |
e126ba97 | 333 | |
db058a18 | 334 | nvec = pci_enable_msix_range(dev->pdev, priv->msix_arr, |
3a9e161a | 335 | MLX5_EQ_VEC_COMP_BASE + 1, nvec); |
f3c9407b AG |
336 | if (nvec < 0) |
337 | return nvec; | |
e126ba97 | 338 | |
f3c9407b | 339 | table->num_comp_vectors = nvec - MLX5_EQ_VEC_COMP_BASE; |
e126ba97 EC |
340 | |
341 | return 0; | |
db058a18 SM |
342 | |
343 | err_free_msix: | |
344 | kfree(priv->irq_info); | |
345 | kfree(priv->msix_arr); | |
346 | return -ENOMEM; | |
e126ba97 EC |
347 | } |
348 | ||
349 | static void mlx5_disable_msix(struct mlx5_core_dev *dev) | |
350 | { | |
db058a18 | 351 | struct mlx5_priv *priv = &dev->priv; |
e126ba97 EC |
352 | |
353 | pci_disable_msix(dev->pdev); | |
db058a18 SM |
354 | kfree(priv->irq_info); |
355 | kfree(priv->msix_arr); | |
e126ba97 EC |
356 | } |
357 | ||
358 | struct mlx5_reg_host_endianess { | |
359 | u8 he; | |
360 | u8 rsvd[15]; | |
361 | }; | |
362 | ||
87b8de49 EC |
363 | |
364 | #define CAP_MASK(pos, size) ((u64)((1 << (size)) - 1) << (pos)) | |
365 | ||
366 | enum { | |
c7a08ac7 EC |
367 | MLX5_CAP_BITS_RW_MASK = CAP_MASK(MLX5_CAP_OFF_CMDIF_CSUM, 2) | |
368 | MLX5_DEV_CAP_FLAG_DCT, | |
87b8de49 EC |
369 | }; |
370 | ||
2974ab6e | 371 | static u16 to_fw_pkey_sz(struct mlx5_core_dev *dev, u32 size) |
c7a08ac7 EC |
372 | { |
373 | switch (size) { | |
374 | case 128: | |
375 | return 0; | |
376 | case 256: | |
377 | return 1; | |
378 | case 512: | |
379 | return 2; | |
380 | case 1024: | |
381 | return 3; | |
382 | case 2048: | |
383 | return 4; | |
384 | case 4096: | |
385 | return 5; | |
386 | default: | |
2974ab6e | 387 | mlx5_core_warn(dev, "invalid pkey table size %d\n", size); |
c7a08ac7 EC |
388 | return 0; |
389 | } | |
390 | } | |
391 | ||
b06e7de8 LR |
392 | static int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev, |
393 | enum mlx5_cap_type cap_type, | |
394 | enum mlx5_cap_mode cap_mode) | |
c7a08ac7 | 395 | { |
b775516b EC |
396 | u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)]; |
397 | int out_sz = MLX5_ST_SZ_BYTES(query_hca_cap_out); | |
938fe83c SM |
398 | void *out, *hca_caps; |
399 | u16 opmod = (cap_type << 1) | (cap_mode & 0x01); | |
e126ba97 EC |
400 | int err; |
401 | ||
b775516b EC |
402 | memset(in, 0, sizeof(in)); |
403 | out = kzalloc(out_sz, GFP_KERNEL); | |
c7a08ac7 | 404 | if (!out) |
e126ba97 | 405 | return -ENOMEM; |
938fe83c | 406 | |
b775516b EC |
407 | MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP); |
408 | MLX5_SET(query_hca_cap_in, in, op_mod, opmod); | |
409 | err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz); | |
c7a08ac7 | 410 | if (err) { |
938fe83c SM |
411 | mlx5_core_warn(dev, |
412 | "QUERY_HCA_CAP : type(%x) opmode(%x) Failed(%d)\n", | |
413 | cap_type, cap_mode, err); | |
e126ba97 EC |
414 | goto query_ex; |
415 | } | |
c7a08ac7 | 416 | |
938fe83c SM |
417 | hca_caps = MLX5_ADDR_OF(query_hca_cap_out, out, capability); |
418 | ||
419 | switch (cap_mode) { | |
420 | case HCA_CAP_OPMOD_GET_MAX: | |
701052c5 | 421 | memcpy(dev->caps.hca_max[cap_type], hca_caps, |
938fe83c SM |
422 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
423 | break; | |
424 | case HCA_CAP_OPMOD_GET_CUR: | |
701052c5 | 425 | memcpy(dev->caps.hca_cur[cap_type], hca_caps, |
938fe83c SM |
426 | MLX5_UN_SZ_BYTES(hca_cap_union)); |
427 | break; | |
428 | default: | |
429 | mlx5_core_warn(dev, | |
430 | "Tried to query dev cap type(%x) with wrong opmode(%x)\n", | |
431 | cap_type, cap_mode); | |
432 | err = -EINVAL; | |
433 | break; | |
434 | } | |
c7a08ac7 EC |
435 | query_ex: |
436 | kfree(out); | |
437 | return err; | |
438 | } | |
439 | ||
b06e7de8 LR |
440 | int mlx5_core_get_caps(struct mlx5_core_dev *dev, enum mlx5_cap_type cap_type) |
441 | { | |
442 | int ret; | |
443 | ||
444 | ret = mlx5_core_get_caps_mode(dev, cap_type, HCA_CAP_OPMOD_GET_CUR); | |
445 | if (ret) | |
446 | return ret; | |
447 | return mlx5_core_get_caps_mode(dev, cap_type, HCA_CAP_OPMOD_GET_MAX); | |
448 | } | |
449 | ||
f91e6d89 | 450 | static int set_caps(struct mlx5_core_dev *dev, void *in, int in_sz, int opmod) |
c7a08ac7 | 451 | { |
c4f287c4 | 452 | u32 out[MLX5_ST_SZ_DW(set_hca_cap_out)] = {0}; |
e126ba97 | 453 | |
b775516b | 454 | MLX5_SET(set_hca_cap_in, in, opcode, MLX5_CMD_OP_SET_HCA_CAP); |
f91e6d89 | 455 | MLX5_SET(set_hca_cap_in, in, op_mod, opmod << 1); |
c4f287c4 | 456 | return mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out)); |
c7a08ac7 EC |
457 | } |
458 | ||
f91e6d89 EBE |
459 | static int handle_hca_cap_atomic(struct mlx5_core_dev *dev) |
460 | { | |
461 | void *set_ctx; | |
462 | void *set_hca_cap; | |
463 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); | |
464 | int req_endianness; | |
465 | int err; | |
466 | ||
467 | if (MLX5_CAP_GEN(dev, atomic)) { | |
b06e7de8 | 468 | err = mlx5_core_get_caps(dev, MLX5_CAP_ATOMIC); |
f91e6d89 EBE |
469 | if (err) |
470 | return err; | |
471 | } else { | |
472 | return 0; | |
473 | } | |
474 | ||
475 | req_endianness = | |
476 | MLX5_CAP_ATOMIC(dev, | |
477 | supported_atomic_req_8B_endianess_mode_1); | |
478 | ||
479 | if (req_endianness != MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS) | |
480 | return 0; | |
481 | ||
482 | set_ctx = kzalloc(set_sz, GFP_KERNEL); | |
483 | if (!set_ctx) | |
484 | return -ENOMEM; | |
485 | ||
486 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); | |
487 | ||
488 | /* Set requestor to host endianness */ | |
489 | MLX5_SET(atomic_caps, set_hca_cap, atomic_req_8B_endianess_mode, | |
490 | MLX5_ATOMIC_REQ_MODE_HOST_ENDIANNESS); | |
491 | ||
492 | err = set_caps(dev, set_ctx, set_sz, MLX5_SET_HCA_CAP_OP_MOD_ATOMIC); | |
493 | ||
494 | kfree(set_ctx); | |
495 | return err; | |
496 | } | |
497 | ||
c7a08ac7 EC |
498 | static int handle_hca_cap(struct mlx5_core_dev *dev) |
499 | { | |
b775516b | 500 | void *set_ctx = NULL; |
c7a08ac7 | 501 | struct mlx5_profile *prof = dev->profile; |
c7a08ac7 | 502 | int err = -ENOMEM; |
b775516b | 503 | int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in); |
938fe83c | 504 | void *set_hca_cap; |
c7a08ac7 | 505 | |
b775516b | 506 | set_ctx = kzalloc(set_sz, GFP_KERNEL); |
c7a08ac7 | 507 | if (!set_ctx) |
e126ba97 | 508 | goto query_ex; |
e126ba97 | 509 | |
b06e7de8 | 510 | err = mlx5_core_get_caps(dev, MLX5_CAP_GENERAL); |
e126ba97 EC |
511 | if (err) |
512 | goto query_ex; | |
513 | ||
938fe83c SM |
514 | set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, |
515 | capability); | |
701052c5 | 516 | memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_GENERAL], |
938fe83c SM |
517 | MLX5_ST_SZ_BYTES(cmd_hca_cap)); |
518 | ||
519 | mlx5_core_dbg(dev, "Current Pkey table size %d Setting new size %d\n", | |
707c4602 | 520 | mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size)), |
938fe83c | 521 | 128); |
c7a08ac7 | 522 | /* we limit the size of the pkey table to 128 entries for now */ |
938fe83c | 523 | MLX5_SET(cmd_hca_cap, set_hca_cap, pkey_table_size, |
2974ab6e | 524 | to_fw_pkey_sz(dev, 128)); |
c7a08ac7 | 525 | |
883371c4 NO |
526 | /* Check log_max_qp from HCA caps to set in current profile */ |
527 | if (MLX5_CAP_GEN_MAX(dev, log_max_qp) < profile[prof_sel].log_max_qp) { | |
528 | mlx5_core_warn(dev, "log_max_qp value in current profile is %d, changing it to HCA capability limit (%d)\n", | |
529 | profile[prof_sel].log_max_qp, | |
530 | MLX5_CAP_GEN_MAX(dev, log_max_qp)); | |
531 | profile[prof_sel].log_max_qp = MLX5_CAP_GEN_MAX(dev, log_max_qp); | |
532 | } | |
c7a08ac7 | 533 | if (prof->mask & MLX5_PROF_MASK_QP_SIZE) |
938fe83c SM |
534 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_max_qp, |
535 | prof->log_max_qp); | |
c7a08ac7 | 536 | |
938fe83c SM |
537 | /* disable cmdif checksum */ |
538 | MLX5_SET(cmd_hca_cap, set_hca_cap, cmdif_checksum, 0); | |
c7a08ac7 | 539 | |
f502d834 EC |
540 | /* If the HCA supports 4K UARs use it */ |
541 | if (MLX5_CAP_GEN_MAX(dev, uar_4k)) | |
542 | MLX5_SET(cmd_hca_cap, set_hca_cap, uar_4k, 1); | |
543 | ||
fe1e1876 CS |
544 | MLX5_SET(cmd_hca_cap, set_hca_cap, log_uar_page_sz, PAGE_SHIFT - 12); |
545 | ||
f32f5bd2 DJ |
546 | if (MLX5_CAP_GEN_MAX(dev, cache_line_128byte)) |
547 | MLX5_SET(cmd_hca_cap, | |
548 | set_hca_cap, | |
549 | cache_line_128byte, | |
550 | cache_line_size() == 128 ? 1 : 0); | |
551 | ||
f91e6d89 EBE |
552 | err = set_caps(dev, set_ctx, set_sz, |
553 | MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE); | |
c7a08ac7 | 554 | |
e126ba97 | 555 | query_ex: |
e126ba97 | 556 | kfree(set_ctx); |
e126ba97 EC |
557 | return err; |
558 | } | |
559 | ||
560 | static int set_hca_ctrl(struct mlx5_core_dev *dev) | |
561 | { | |
562 | struct mlx5_reg_host_endianess he_in; | |
563 | struct mlx5_reg_host_endianess he_out; | |
564 | int err; | |
565 | ||
fc50db98 EC |
566 | if (!mlx5_core_is_pf(dev)) |
567 | return 0; | |
568 | ||
e126ba97 EC |
569 | memset(&he_in, 0, sizeof(he_in)); |
570 | he_in.he = MLX5_SET_HOST_ENDIANNESS; | |
571 | err = mlx5_core_access_reg(dev, &he_in, sizeof(he_in), | |
572 | &he_out, sizeof(he_out), | |
573 | MLX5_REG_HOST_ENDIANNESS, 0, 1); | |
574 | return err; | |
575 | } | |
576 | ||
0b107106 | 577 | int mlx5_core_enable_hca(struct mlx5_core_dev *dev, u16 func_id) |
cd23b14b | 578 | { |
c4f287c4 SM |
579 | u32 out[MLX5_ST_SZ_DW(enable_hca_out)] = {0}; |
580 | u32 in[MLX5_ST_SZ_DW(enable_hca_in)] = {0}; | |
cd23b14b | 581 | |
0b107106 EC |
582 | MLX5_SET(enable_hca_in, in, opcode, MLX5_CMD_OP_ENABLE_HCA); |
583 | MLX5_SET(enable_hca_in, in, function_id, func_id); | |
c4f287c4 | 584 | return mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out)); |
cd23b14b EC |
585 | } |
586 | ||
0b107106 | 587 | int mlx5_core_disable_hca(struct mlx5_core_dev *dev, u16 func_id) |
cd23b14b | 588 | { |
c4f287c4 SM |
589 | u32 out[MLX5_ST_SZ_DW(disable_hca_out)] = {0}; |
590 | u32 in[MLX5_ST_SZ_DW(disable_hca_in)] = {0}; | |
cd23b14b | 591 | |
0b107106 EC |
592 | MLX5_SET(disable_hca_in, in, opcode, MLX5_CMD_OP_DISABLE_HCA); |
593 | MLX5_SET(disable_hca_in, in, function_id, func_id); | |
c4f287c4 | 594 | return mlx5_cmd_exec(dev, in, sizeof(in), out, sizeof(out)); |
cd23b14b EC |
595 | } |
596 | ||
a5a1d1c2 | 597 | u64 mlx5_read_internal_timer(struct mlx5_core_dev *dev) |
b0844444 EBE |
598 | { |
599 | u32 timer_h, timer_h1, timer_l; | |
600 | ||
601 | timer_h = ioread32be(&dev->iseg->internal_timer_h); | |
602 | timer_l = ioread32be(&dev->iseg->internal_timer_l); | |
603 | timer_h1 = ioread32be(&dev->iseg->internal_timer_h); | |
604 | if (timer_h != timer_h1) /* wrap around */ | |
605 | timer_l = ioread32be(&dev->iseg->internal_timer_l); | |
606 | ||
a5a1d1c2 | 607 | return (u64)timer_l | (u64)timer_h1 << 32; |
b0844444 EBE |
608 | } |
609 | ||
db058a18 SM |
610 | static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) |
611 | { | |
612 | struct mlx5_priv *priv = &mdev->priv; | |
613 | struct msix_entry *msix = priv->msix_arr; | |
614 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; | |
db058a18 SM |
615 | |
616 | if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) { | |
617 | mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); | |
618 | return -ENOMEM; | |
619 | } | |
620 | ||
d151d73d | 621 | cpumask_set_cpu(cpumask_local_spread(i, priv->numa_node), |
dda922c8 | 622 | priv->irq_info[i].mask); |
db058a18 | 623 | |
f0d7ae95 AB |
624 | if (IS_ENABLED(CONFIG_SMP) && |
625 | irq_set_affinity_hint(irq, priv->irq_info[i].mask)) | |
b665d98e | 626 | mlx5_core_warn(mdev, "irq_set_affinity_hint failed, irq 0x%.4x", irq); |
db058a18 SM |
627 | |
628 | return 0; | |
db058a18 SM |
629 | } |
630 | ||
631 | static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i) | |
632 | { | |
633 | struct mlx5_priv *priv = &mdev->priv; | |
634 | struct msix_entry *msix = priv->msix_arr; | |
635 | int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; | |
636 | ||
637 | irq_set_affinity_hint(irq, NULL); | |
638 | free_cpumask_var(priv->irq_info[i].mask); | |
639 | } | |
640 | ||
641 | static int mlx5_irq_set_affinity_hints(struct mlx5_core_dev *mdev) | |
642 | { | |
643 | int err; | |
644 | int i; | |
645 | ||
646 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) { | |
647 | err = mlx5_irq_set_affinity_hint(mdev, i); | |
648 | if (err) | |
649 | goto err_out; | |
650 | } | |
651 | ||
652 | return 0; | |
653 | ||
654 | err_out: | |
655 | for (i--; i >= 0; i--) | |
656 | mlx5_irq_clear_affinity_hint(mdev, i); | |
657 | ||
658 | return err; | |
659 | } | |
660 | ||
661 | static void mlx5_irq_clear_affinity_hints(struct mlx5_core_dev *mdev) | |
662 | { | |
663 | int i; | |
664 | ||
665 | for (i = 0; i < mdev->priv.eq_table.num_comp_vectors; i++) | |
666 | mlx5_irq_clear_affinity_hint(mdev, i); | |
667 | } | |
668 | ||
0b6e26ce DT |
669 | int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, |
670 | unsigned int *irqn) | |
233d05d2 SM |
671 | { |
672 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
673 | struct mlx5_eq *eq, *n; | |
674 | int err = -ENOENT; | |
675 | ||
676 | spin_lock(&table->lock); | |
677 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { | |
678 | if (eq->index == vector) { | |
679 | *eqn = eq->eqn; | |
680 | *irqn = eq->irqn; | |
681 | err = 0; | |
682 | break; | |
683 | } | |
684 | } | |
685 | spin_unlock(&table->lock); | |
686 | ||
687 | return err; | |
688 | } | |
689 | EXPORT_SYMBOL(mlx5_vector2eqn); | |
690 | ||
94c6825e MB |
691 | struct mlx5_eq *mlx5_eqn2eq(struct mlx5_core_dev *dev, int eqn) |
692 | { | |
693 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
694 | struct mlx5_eq *eq; | |
695 | ||
696 | spin_lock(&table->lock); | |
697 | list_for_each_entry(eq, &table->comp_eqs_list, list) | |
698 | if (eq->eqn == eqn) { | |
699 | spin_unlock(&table->lock); | |
700 | return eq; | |
701 | } | |
702 | ||
703 | spin_unlock(&table->lock); | |
704 | ||
705 | return ERR_PTR(-ENOENT); | |
706 | } | |
707 | ||
233d05d2 SM |
708 | static void free_comp_eqs(struct mlx5_core_dev *dev) |
709 | { | |
710 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
711 | struct mlx5_eq *eq, *n; | |
712 | ||
5a7b27eb MG |
713 | #ifdef CONFIG_RFS_ACCEL |
714 | if (dev->rmap) { | |
715 | free_irq_cpu_rmap(dev->rmap); | |
716 | dev->rmap = NULL; | |
717 | } | |
718 | #endif | |
233d05d2 SM |
719 | spin_lock(&table->lock); |
720 | list_for_each_entry_safe(eq, n, &table->comp_eqs_list, list) { | |
721 | list_del(&eq->list); | |
722 | spin_unlock(&table->lock); | |
723 | if (mlx5_destroy_unmap_eq(dev, eq)) | |
724 | mlx5_core_warn(dev, "failed to destroy EQ 0x%x\n", | |
725 | eq->eqn); | |
726 | kfree(eq); | |
727 | spin_lock(&table->lock); | |
728 | } | |
729 | spin_unlock(&table->lock); | |
730 | } | |
731 | ||
732 | static int alloc_comp_eqs(struct mlx5_core_dev *dev) | |
733 | { | |
734 | struct mlx5_eq_table *table = &dev->priv.eq_table; | |
db058a18 | 735 | char name[MLX5_MAX_IRQ_NAME]; |
233d05d2 SM |
736 | struct mlx5_eq *eq; |
737 | int ncomp_vec; | |
738 | int nent; | |
739 | int err; | |
740 | int i; | |
741 | ||
742 | INIT_LIST_HEAD(&table->comp_eqs_list); | |
743 | ncomp_vec = table->num_comp_vectors; | |
744 | nent = MLX5_COMP_EQ_SIZE; | |
5a7b27eb MG |
745 | #ifdef CONFIG_RFS_ACCEL |
746 | dev->rmap = alloc_irq_cpu_rmap(ncomp_vec); | |
747 | if (!dev->rmap) | |
748 | return -ENOMEM; | |
749 | #endif | |
233d05d2 SM |
750 | for (i = 0; i < ncomp_vec; i++) { |
751 | eq = kzalloc(sizeof(*eq), GFP_KERNEL); | |
752 | if (!eq) { | |
753 | err = -ENOMEM; | |
754 | goto clean; | |
755 | } | |
756 | ||
5a7b27eb MG |
757 | #ifdef CONFIG_RFS_ACCEL |
758 | irq_cpu_rmap_add(dev->rmap, | |
759 | dev->priv.msix_arr[i + MLX5_EQ_VEC_COMP_BASE].vector); | |
760 | #endif | |
db058a18 | 761 | snprintf(name, MLX5_MAX_IRQ_NAME, "mlx5_comp%d", i); |
233d05d2 SM |
762 | err = mlx5_create_map_eq(dev, eq, |
763 | i + MLX5_EQ_VEC_COMP_BASE, nent, 0, | |
01187175 | 764 | name, MLX5_EQ_TYPE_COMP); |
233d05d2 SM |
765 | if (err) { |
766 | kfree(eq); | |
767 | goto clean; | |
768 | } | |
769 | mlx5_core_dbg(dev, "allocated completion EQN %d\n", eq->eqn); | |
770 | eq->index = i; | |
771 | spin_lock(&table->lock); | |
772 | list_add_tail(&eq->list, &table->comp_eqs_list); | |
773 | spin_unlock(&table->lock); | |
774 | } | |
775 | ||
776 | return 0; | |
777 | ||
778 | clean: | |
779 | free_comp_eqs(dev); | |
780 | return err; | |
781 | } | |
782 | ||
f62b8bb8 AV |
783 | static int mlx5_core_set_issi(struct mlx5_core_dev *dev) |
784 | { | |
c4f287c4 SM |
785 | u32 query_in[MLX5_ST_SZ_DW(query_issi_in)] = {0}; |
786 | u32 query_out[MLX5_ST_SZ_DW(query_issi_out)] = {0}; | |
f62b8bb8 | 787 | u32 sup_issi; |
c4f287c4 | 788 | int err; |
f62b8bb8 AV |
789 | |
790 | MLX5_SET(query_issi_in, query_in, opcode, MLX5_CMD_OP_QUERY_ISSI); | |
c4f287c4 SM |
791 | err = mlx5_cmd_exec(dev, query_in, sizeof(query_in), |
792 | query_out, sizeof(query_out)); | |
f62b8bb8 | 793 | if (err) { |
c4f287c4 SM |
794 | u32 syndrome; |
795 | u8 status; | |
796 | ||
797 | mlx5_cmd_mbox_status(query_out, &status, &syndrome); | |
f9c14e46 KH |
798 | if (!status || syndrome == MLX5_DRIVER_SYND) { |
799 | mlx5_core_err(dev, "Failed to query ISSI err(%d) status(%d) synd(%d)\n", | |
800 | err, status, syndrome); | |
801 | return err; | |
f62b8bb8 AV |
802 | } |
803 | ||
f9c14e46 KH |
804 | mlx5_core_warn(dev, "Query ISSI is not supported by FW, ISSI is 0\n"); |
805 | dev->issi = 0; | |
806 | return 0; | |
f62b8bb8 AV |
807 | } |
808 | ||
809 | sup_issi = MLX5_GET(query_issi_out, query_out, supported_issi_dw0); | |
810 | ||
811 | if (sup_issi & (1 << 1)) { | |
c4f287c4 SM |
812 | u32 set_in[MLX5_ST_SZ_DW(set_issi_in)] = {0}; |
813 | u32 set_out[MLX5_ST_SZ_DW(set_issi_out)] = {0}; | |
f62b8bb8 AV |
814 | |
815 | MLX5_SET(set_issi_in, set_in, opcode, MLX5_CMD_OP_SET_ISSI); | |
816 | MLX5_SET(set_issi_in, set_in, current_issi, 1); | |
c4f287c4 SM |
817 | err = mlx5_cmd_exec(dev, set_in, sizeof(set_in), |
818 | set_out, sizeof(set_out)); | |
f62b8bb8 | 819 | if (err) { |
f9c14e46 KH |
820 | mlx5_core_err(dev, "Failed to set ISSI to 1 err(%d)\n", |
821 | err); | |
f62b8bb8 AV |
822 | return err; |
823 | } | |
824 | ||
825 | dev->issi = 1; | |
826 | ||
827 | return 0; | |
e74a1db0 | 828 | } else if (sup_issi & (1 << 0) || !sup_issi) { |
f62b8bb8 AV |
829 | return 0; |
830 | } | |
831 | ||
9eb78923 | 832 | return -EOPNOTSUPP; |
f62b8bb8 | 833 | } |
f62b8bb8 | 834 | |
7907f23a | 835 | |
a31208b1 MD |
836 | static int mlx5_pci_init(struct mlx5_core_dev *dev, struct mlx5_priv *priv) |
837 | { | |
838 | struct pci_dev *pdev = dev->pdev; | |
839 | int err = 0; | |
e126ba97 | 840 | |
e126ba97 EC |
841 | pci_set_drvdata(dev->pdev, dev); |
842 | strncpy(priv->name, dev_name(&pdev->dev), MLX5_MAX_NAME_LEN); | |
843 | priv->name[MLX5_MAX_NAME_LEN - 1] = 0; | |
844 | ||
845 | mutex_init(&priv->pgdir_mutex); | |
846 | INIT_LIST_HEAD(&priv->pgdir_list); | |
847 | spin_lock_init(&priv->mkey_lock); | |
848 | ||
311c7c71 SM |
849 | mutex_init(&priv->alloc_mutex); |
850 | ||
851 | priv->numa_node = dev_to_node(&dev->pdev->dev); | |
852 | ||
e126ba97 EC |
853 | priv->dbg_root = debugfs_create_dir(dev_name(&pdev->dev), mlx5_debugfs_root); |
854 | if (!priv->dbg_root) | |
855 | return -ENOMEM; | |
856 | ||
89d44f0a | 857 | err = mlx5_pci_enable_device(dev); |
e126ba97 | 858 | if (err) { |
1a91de28 | 859 | dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n"); |
e126ba97 EC |
860 | goto err_dbg; |
861 | } | |
862 | ||
863 | err = request_bar(pdev); | |
864 | if (err) { | |
1a91de28 | 865 | dev_err(&pdev->dev, "error requesting BARs, aborting\n"); |
e126ba97 EC |
866 | goto err_disable; |
867 | } | |
868 | ||
869 | pci_set_master(pdev); | |
870 | ||
871 | err = set_dma_caps(pdev); | |
872 | if (err) { | |
873 | dev_err(&pdev->dev, "Failed setting DMA capabilities mask, aborting\n"); | |
874 | goto err_clr_master; | |
875 | } | |
876 | ||
877 | dev->iseg_base = pci_resource_start(dev->pdev, 0); | |
878 | dev->iseg = ioremap(dev->iseg_base, sizeof(*dev->iseg)); | |
879 | if (!dev->iseg) { | |
880 | err = -ENOMEM; | |
881 | dev_err(&pdev->dev, "Failed mapping initialization segment, aborting\n"); | |
882 | goto err_clr_master; | |
883 | } | |
a31208b1 MD |
884 | |
885 | return 0; | |
886 | ||
887 | err_clr_master: | |
888 | pci_clear_master(dev->pdev); | |
889 | release_bar(dev->pdev); | |
890 | err_disable: | |
89d44f0a | 891 | mlx5_pci_disable_device(dev); |
a31208b1 MD |
892 | |
893 | err_dbg: | |
894 | debugfs_remove(priv->dbg_root); | |
895 | return err; | |
896 | } | |
897 | ||
898 | static void mlx5_pci_close(struct mlx5_core_dev *dev, struct mlx5_priv *priv) | |
899 | { | |
900 | iounmap(dev->iseg); | |
901 | pci_clear_master(dev->pdev); | |
902 | release_bar(dev->pdev); | |
89d44f0a | 903 | mlx5_pci_disable_device(dev); |
a31208b1 MD |
904 | debugfs_remove(priv->dbg_root); |
905 | } | |
906 | ||
59211bd3 MHY |
907 | static int mlx5_init_once(struct mlx5_core_dev *dev, struct mlx5_priv *priv) |
908 | { | |
909 | struct pci_dev *pdev = dev->pdev; | |
910 | int err; | |
911 | ||
59211bd3 MHY |
912 | err = mlx5_query_board_id(dev); |
913 | if (err) { | |
914 | dev_err(&pdev->dev, "query board id failed\n"); | |
915 | goto out; | |
916 | } | |
917 | ||
918 | err = mlx5_eq_init(dev); | |
919 | if (err) { | |
920 | dev_err(&pdev->dev, "failed to initialize eq\n"); | |
921 | goto out; | |
922 | } | |
923 | ||
59211bd3 MHY |
924 | err = mlx5_init_cq_table(dev); |
925 | if (err) { | |
926 | dev_err(&pdev->dev, "failed to initialize cq table\n"); | |
927 | goto err_eq_cleanup; | |
928 | } | |
929 | ||
930 | mlx5_init_qp_table(dev); | |
931 | ||
932 | mlx5_init_srq_table(dev); | |
933 | ||
934 | mlx5_init_mkey_table(dev); | |
935 | ||
936 | err = mlx5_init_rl_table(dev); | |
937 | if (err) { | |
938 | dev_err(&pdev->dev, "Failed to init rate limiting\n"); | |
939 | goto err_tables_cleanup; | |
940 | } | |
941 | ||
c2d6e31a MHY |
942 | #ifdef CONFIG_MLX5_CORE_EN |
943 | err = mlx5_eswitch_init(dev); | |
944 | if (err) { | |
945 | dev_err(&pdev->dev, "Failed to init eswitch %d\n", err); | |
946 | goto err_rl_cleanup; | |
947 | } | |
948 | #endif | |
949 | ||
950 | err = mlx5_sriov_init(dev); | |
951 | if (err) { | |
952 | dev_err(&pdev->dev, "Failed to init sriov %d\n", err); | |
953 | goto err_eswitch_cleanup; | |
954 | } | |
955 | ||
59211bd3 MHY |
956 | return 0; |
957 | ||
c2d6e31a MHY |
958 | err_eswitch_cleanup: |
959 | #ifdef CONFIG_MLX5_CORE_EN | |
960 | mlx5_eswitch_cleanup(dev->priv.eswitch); | |
961 | ||
962 | err_rl_cleanup: | |
963 | #endif | |
964 | mlx5_cleanup_rl_table(dev); | |
965 | ||
59211bd3 MHY |
966 | err_tables_cleanup: |
967 | mlx5_cleanup_mkey_table(dev); | |
968 | mlx5_cleanup_srq_table(dev); | |
969 | mlx5_cleanup_qp_table(dev); | |
970 | mlx5_cleanup_cq_table(dev); | |
971 | ||
972 | err_eq_cleanup: | |
973 | mlx5_eq_cleanup(dev); | |
974 | ||
975 | out: | |
976 | return err; | |
977 | } | |
978 | ||
979 | static void mlx5_cleanup_once(struct mlx5_core_dev *dev) | |
980 | { | |
c2d6e31a MHY |
981 | mlx5_sriov_cleanup(dev); |
982 | #ifdef CONFIG_MLX5_CORE_EN | |
983 | mlx5_eswitch_cleanup(dev->priv.eswitch); | |
984 | #endif | |
59211bd3 MHY |
985 | mlx5_cleanup_rl_table(dev); |
986 | mlx5_cleanup_mkey_table(dev); | |
987 | mlx5_cleanup_srq_table(dev); | |
988 | mlx5_cleanup_qp_table(dev); | |
989 | mlx5_cleanup_cq_table(dev); | |
990 | mlx5_eq_cleanup(dev); | |
991 | } | |
992 | ||
993 | static int mlx5_load_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, | |
994 | bool boot) | |
a31208b1 MD |
995 | { |
996 | struct pci_dev *pdev = dev->pdev; | |
997 | int err; | |
998 | ||
89d44f0a | 999 | mutex_lock(&dev->intf_state_mutex); |
5fc7197d | 1000 | if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { |
89d44f0a MD |
1001 | dev_warn(&dev->pdev->dev, "%s: interface is up, NOP\n", |
1002 | __func__); | |
1003 | goto out; | |
1004 | } | |
1005 | ||
e126ba97 EC |
1006 | dev_info(&pdev->dev, "firmware version: %d.%d.%d\n", fw_rev_maj(dev), |
1007 | fw_rev_min(dev), fw_rev_sub(dev)); | |
1008 | ||
89d44f0a MD |
1009 | /* on load removing any previous indication of internal error, device is |
1010 | * up | |
1011 | */ | |
1012 | dev->state = MLX5_DEVICE_STATE_UP; | |
1013 | ||
e126ba97 EC |
1014 | err = mlx5_cmd_init(dev); |
1015 | if (err) { | |
1016 | dev_err(&pdev->dev, "Failed initializing command interface, aborting\n"); | |
89d44f0a | 1017 | goto out_err; |
e126ba97 EC |
1018 | } |
1019 | ||
e3297246 EC |
1020 | err = wait_fw_init(dev, FW_INIT_TIMEOUT_MILI); |
1021 | if (err) { | |
1022 | dev_err(&dev->pdev->dev, "Firmware over %d MS in initializing state, aborting\n", | |
1023 | FW_INIT_TIMEOUT_MILI); | |
55378a23 | 1024 | goto err_cmd_cleanup; |
e3297246 EC |
1025 | } |
1026 | ||
0b107106 | 1027 | err = mlx5_core_enable_hca(dev, 0); |
cd23b14b EC |
1028 | if (err) { |
1029 | dev_err(&pdev->dev, "enable hca failed\n"); | |
59211bd3 | 1030 | goto err_cmd_cleanup; |
cd23b14b EC |
1031 | } |
1032 | ||
f62b8bb8 AV |
1033 | err = mlx5_core_set_issi(dev); |
1034 | if (err) { | |
1035 | dev_err(&pdev->dev, "failed to set issi\n"); | |
1036 | goto err_disable_hca; | |
1037 | } | |
f62b8bb8 | 1038 | |
cd23b14b EC |
1039 | err = mlx5_satisfy_startup_pages(dev, 1); |
1040 | if (err) { | |
1041 | dev_err(&pdev->dev, "failed to allocate boot pages\n"); | |
1042 | goto err_disable_hca; | |
1043 | } | |
1044 | ||
e126ba97 EC |
1045 | err = set_hca_ctrl(dev); |
1046 | if (err) { | |
1047 | dev_err(&pdev->dev, "set_hca_ctrl failed\n"); | |
cd23b14b | 1048 | goto reclaim_boot_pages; |
e126ba97 EC |
1049 | } |
1050 | ||
1051 | err = handle_hca_cap(dev); | |
1052 | if (err) { | |
1053 | dev_err(&pdev->dev, "handle_hca_cap failed\n"); | |
cd23b14b | 1054 | goto reclaim_boot_pages; |
e126ba97 EC |
1055 | } |
1056 | ||
f91e6d89 EBE |
1057 | err = handle_hca_cap_atomic(dev); |
1058 | if (err) { | |
1059 | dev_err(&pdev->dev, "handle_hca_cap_atomic failed\n"); | |
1060 | goto reclaim_boot_pages; | |
e126ba97 EC |
1061 | } |
1062 | ||
cd23b14b | 1063 | err = mlx5_satisfy_startup_pages(dev, 0); |
e126ba97 | 1064 | if (err) { |
cd23b14b EC |
1065 | dev_err(&pdev->dev, "failed to allocate init pages\n"); |
1066 | goto reclaim_boot_pages; | |
e126ba97 EC |
1067 | } |
1068 | ||
1069 | err = mlx5_pagealloc_start(dev); | |
1070 | if (err) { | |
1071 | dev_err(&pdev->dev, "mlx5_pagealloc_start failed\n"); | |
cd23b14b | 1072 | goto reclaim_boot_pages; |
e126ba97 EC |
1073 | } |
1074 | ||
1075 | err = mlx5_cmd_init_hca(dev); | |
1076 | if (err) { | |
1077 | dev_err(&pdev->dev, "init hca failed\n"); | |
1078 | goto err_pagealloc_stop; | |
1079 | } | |
1080 | ||
012e50e1 HN |
1081 | mlx5_set_driver_version(dev); |
1082 | ||
e126ba97 EC |
1083 | mlx5_start_health_poll(dev); |
1084 | ||
bba1574c DJ |
1085 | err = mlx5_query_hca_caps(dev); |
1086 | if (err) { | |
1087 | dev_err(&pdev->dev, "query hca failed\n"); | |
1088 | goto err_stop_poll; | |
1089 | } | |
1090 | ||
59211bd3 MHY |
1091 | if (boot && mlx5_init_once(dev, priv)) { |
1092 | dev_err(&pdev->dev, "sw objs init failed\n"); | |
e126ba97 EC |
1093 | goto err_stop_poll; |
1094 | } | |
1095 | ||
1096 | err = mlx5_enable_msix(dev); | |
1097 | if (err) { | |
1098 | dev_err(&pdev->dev, "enable msix failed\n"); | |
59211bd3 | 1099 | goto err_cleanup_once; |
e126ba97 EC |
1100 | } |
1101 | ||
01187175 EC |
1102 | dev->priv.uar = mlx5_get_uars_page(dev); |
1103 | if (!dev->priv.uar) { | |
e126ba97 | 1104 | dev_err(&pdev->dev, "Failed allocating uar, aborting\n"); |
59211bd3 | 1105 | goto err_disable_msix; |
e126ba97 EC |
1106 | } |
1107 | ||
1108 | err = mlx5_start_eqs(dev); | |
1109 | if (err) { | |
1110 | dev_err(&pdev->dev, "Failed to start pages and async EQs\n"); | |
5fe9dec0 | 1111 | goto err_put_uars; |
e126ba97 EC |
1112 | } |
1113 | ||
233d05d2 SM |
1114 | err = alloc_comp_eqs(dev); |
1115 | if (err) { | |
1116 | dev_err(&pdev->dev, "Failed to alloc completion EQs\n"); | |
1117 | goto err_stop_eqs; | |
1118 | } | |
1119 | ||
db058a18 | 1120 | err = mlx5_irq_set_affinity_hints(dev); |
59211bd3 | 1121 | if (err) { |
db058a18 | 1122 | dev_err(&pdev->dev, "Failed to alloc affinity hint cpumask\n"); |
59211bd3 MHY |
1123 | goto err_affinity_hints; |
1124 | } | |
e126ba97 | 1125 | |
86d722ad MG |
1126 | err = mlx5_init_fs(dev); |
1127 | if (err) { | |
1128 | dev_err(&pdev->dev, "Failed to init flow steering\n"); | |
1129 | goto err_fs; | |
1130 | } | |
1466cc5b | 1131 | |
073bb189 | 1132 | #ifdef CONFIG_MLX5_CORE_EN |
c2d6e31a | 1133 | mlx5_eswitch_attach(dev->priv.eswitch); |
073bb189 SM |
1134 | #endif |
1135 | ||
c2d6e31a | 1136 | err = mlx5_sriov_attach(dev); |
fc50db98 EC |
1137 | if (err) { |
1138 | dev_err(&pdev->dev, "sriov init failed %d\n", err); | |
1139 | goto err_sriov; | |
1140 | } | |
1141 | ||
737a234b MHY |
1142 | if (mlx5_device_registered(dev)) { |
1143 | mlx5_attach_device(dev); | |
1144 | } else { | |
1145 | err = mlx5_register_device(dev); | |
1146 | if (err) { | |
1147 | dev_err(&pdev->dev, "mlx5_register_device failed %d\n", err); | |
1148 | goto err_reg_dev; | |
1149 | } | |
a31208b1 MD |
1150 | } |
1151 | ||
5fc7197d MD |
1152 | clear_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); |
1153 | set_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); | |
89d44f0a MD |
1154 | out: |
1155 | mutex_unlock(&dev->intf_state_mutex); | |
1156 | ||
e126ba97 EC |
1157 | return 0; |
1158 | ||
59211bd3 | 1159 | err_reg_dev: |
c2d6e31a | 1160 | mlx5_sriov_detach(dev); |
fc50db98 | 1161 | |
59211bd3 | 1162 | err_sriov: |
073bb189 | 1163 | #ifdef CONFIG_MLX5_CORE_EN |
c2d6e31a | 1164 | mlx5_eswitch_detach(dev->priv.eswitch); |
073bb189 | 1165 | #endif |
86d722ad | 1166 | mlx5_cleanup_fs(dev); |
59211bd3 | 1167 | |
86d722ad | 1168 | err_fs: |
a31208b1 | 1169 | mlx5_irq_clear_affinity_hints(dev); |
59211bd3 MHY |
1170 | |
1171 | err_affinity_hints: | |
db058a18 SM |
1172 | free_comp_eqs(dev); |
1173 | ||
233d05d2 SM |
1174 | err_stop_eqs: |
1175 | mlx5_stop_eqs(dev); | |
1176 | ||
5fe9dec0 | 1177 | err_put_uars: |
01187175 | 1178 | mlx5_put_uars_page(dev, priv->uar); |
e126ba97 | 1179 | |
59211bd3 | 1180 | err_disable_msix: |
e126ba97 EC |
1181 | mlx5_disable_msix(dev); |
1182 | ||
59211bd3 MHY |
1183 | err_cleanup_once: |
1184 | if (boot) | |
1185 | mlx5_cleanup_once(dev); | |
1186 | ||
e126ba97 EC |
1187 | err_stop_poll: |
1188 | mlx5_stop_health_poll(dev); | |
1bde6e30 EC |
1189 | if (mlx5_cmd_teardown_hca(dev)) { |
1190 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); | |
89d44f0a | 1191 | goto out_err; |
1bde6e30 | 1192 | } |
e126ba97 EC |
1193 | |
1194 | err_pagealloc_stop: | |
1195 | mlx5_pagealloc_stop(dev); | |
1196 | ||
cd23b14b | 1197 | reclaim_boot_pages: |
e126ba97 EC |
1198 | mlx5_reclaim_startup_pages(dev); |
1199 | ||
cd23b14b | 1200 | err_disable_hca: |
0b107106 | 1201 | mlx5_core_disable_hca(dev, 0); |
cd23b14b | 1202 | |
59211bd3 | 1203 | err_cmd_cleanup: |
e126ba97 EC |
1204 | mlx5_cmd_cleanup(dev); |
1205 | ||
89d44f0a MD |
1206 | out_err: |
1207 | dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; | |
1208 | mutex_unlock(&dev->intf_state_mutex); | |
1209 | ||
e126ba97 EC |
1210 | return err; |
1211 | } | |
e126ba97 | 1212 | |
59211bd3 MHY |
1213 | static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, |
1214 | bool cleanup) | |
e126ba97 | 1215 | { |
89d44f0a | 1216 | int err = 0; |
e126ba97 | 1217 | |
5e44fca5 DJ |
1218 | if (cleanup) |
1219 | mlx5_drain_health_wq(dev); | |
689a248d | 1220 | |
89d44f0a | 1221 | mutex_lock(&dev->intf_state_mutex); |
5fc7197d | 1222 | if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) { |
89d44f0a MD |
1223 | dev_warn(&dev->pdev->dev, "%s: interface is down, NOP\n", |
1224 | __func__); | |
59211bd3 MHY |
1225 | if (cleanup) |
1226 | mlx5_cleanup_once(dev); | |
89d44f0a MD |
1227 | goto out; |
1228 | } | |
6b6adee3 | 1229 | |
737a234b MHY |
1230 | if (mlx5_device_registered(dev)) |
1231 | mlx5_detach_device(dev); | |
1232 | ||
c2d6e31a | 1233 | mlx5_sriov_detach(dev); |
073bb189 | 1234 | #ifdef CONFIG_MLX5_CORE_EN |
c2d6e31a | 1235 | mlx5_eswitch_detach(dev->priv.eswitch); |
073bb189 | 1236 | #endif |
86d722ad | 1237 | mlx5_cleanup_fs(dev); |
db058a18 | 1238 | mlx5_irq_clear_affinity_hints(dev); |
233d05d2 | 1239 | free_comp_eqs(dev); |
e126ba97 | 1240 | mlx5_stop_eqs(dev); |
01187175 | 1241 | mlx5_put_uars_page(dev, priv->uar); |
e126ba97 | 1242 | mlx5_disable_msix(dev); |
59211bd3 MHY |
1243 | if (cleanup) |
1244 | mlx5_cleanup_once(dev); | |
e126ba97 | 1245 | mlx5_stop_health_poll(dev); |
ac6ea6e8 EC |
1246 | err = mlx5_cmd_teardown_hca(dev); |
1247 | if (err) { | |
1bde6e30 | 1248 | dev_err(&dev->pdev->dev, "tear_down_hca failed, skip cleanup\n"); |
ac6ea6e8 | 1249 | goto out; |
1bde6e30 | 1250 | } |
e126ba97 EC |
1251 | mlx5_pagealloc_stop(dev); |
1252 | mlx5_reclaim_startup_pages(dev); | |
0b107106 | 1253 | mlx5_core_disable_hca(dev, 0); |
e126ba97 | 1254 | mlx5_cmd_cleanup(dev); |
9603b61d | 1255 | |
ac6ea6e8 | 1256 | out: |
5fc7197d MD |
1257 | clear_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state); |
1258 | set_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state); | |
89d44f0a | 1259 | mutex_unlock(&dev->intf_state_mutex); |
ac6ea6e8 | 1260 | return err; |
9603b61d | 1261 | } |
64613d94 | 1262 | |
9603b61d JM |
1263 | struct mlx5_core_event_handler { |
1264 | void (*event)(struct mlx5_core_dev *dev, | |
1265 | enum mlx5_dev_event event, | |
1266 | void *data); | |
1267 | }; | |
1268 | ||
feae9087 OG |
1269 | static const struct devlink_ops mlx5_devlink_ops = { |
1270 | #ifdef CONFIG_MLX5_CORE_EN | |
1271 | .eswitch_mode_set = mlx5_devlink_eswitch_mode_set, | |
1272 | .eswitch_mode_get = mlx5_devlink_eswitch_mode_get, | |
bffaa916 RD |
1273 | .eswitch_inline_mode_set = mlx5_devlink_eswitch_inline_mode_set, |
1274 | .eswitch_inline_mode_get = mlx5_devlink_eswitch_inline_mode_get, | |
7768d197 RD |
1275 | .eswitch_encap_mode_set = mlx5_devlink_eswitch_encap_mode_set, |
1276 | .eswitch_encap_mode_get = mlx5_devlink_eswitch_encap_mode_get, | |
feae9087 OG |
1277 | #endif |
1278 | }; | |
f66f049f | 1279 | |
59211bd3 | 1280 | #define MLX5_IB_MOD "mlx5_ib" |
9603b61d JM |
1281 | static int init_one(struct pci_dev *pdev, |
1282 | const struct pci_device_id *id) | |
1283 | { | |
1284 | struct mlx5_core_dev *dev; | |
feae9087 | 1285 | struct devlink *devlink; |
9603b61d JM |
1286 | struct mlx5_priv *priv; |
1287 | int err; | |
1288 | ||
feae9087 OG |
1289 | devlink = devlink_alloc(&mlx5_devlink_ops, sizeof(*dev)); |
1290 | if (!devlink) { | |
9603b61d JM |
1291 | dev_err(&pdev->dev, "kzalloc failed\n"); |
1292 | return -ENOMEM; | |
1293 | } | |
feae9087 OG |
1294 | |
1295 | dev = devlink_priv(devlink); | |
9603b61d | 1296 | priv = &dev->priv; |
fc50db98 | 1297 | priv->pci_dev_data = id->driver_data; |
9603b61d JM |
1298 | |
1299 | pci_set_drvdata(pdev, dev); | |
1300 | ||
0e97a340 HN |
1301 | dev->pdev = pdev; |
1302 | dev->event = mlx5_core_event; | |
9603b61d | 1303 | dev->profile = &profile[prof_sel]; |
9603b61d | 1304 | |
364d1798 EC |
1305 | INIT_LIST_HEAD(&priv->ctx_list); |
1306 | spin_lock_init(&priv->ctx_lock); | |
89d44f0a MD |
1307 | mutex_init(&dev->pci_status_mutex); |
1308 | mutex_init(&dev->intf_state_mutex); | |
d9aaed83 AK |
1309 | |
1310 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING | |
1311 | err = init_srcu_struct(&priv->pfault_srcu); | |
1312 | if (err) { | |
1313 | dev_err(&pdev->dev, "init_srcu_struct failed with error code %d\n", | |
1314 | err); | |
1315 | goto clean_dev; | |
1316 | } | |
1317 | #endif | |
01187175 EC |
1318 | mutex_init(&priv->bfregs.reg_head.lock); |
1319 | mutex_init(&priv->bfregs.wc_head.lock); | |
1320 | INIT_LIST_HEAD(&priv->bfregs.reg_head.list); | |
1321 | INIT_LIST_HEAD(&priv->bfregs.wc_head.list); | |
1322 | ||
a31208b1 | 1323 | err = mlx5_pci_init(dev, priv); |
9603b61d | 1324 | if (err) { |
a31208b1 | 1325 | dev_err(&pdev->dev, "mlx5_pci_init failed with error code %d\n", err); |
d9aaed83 | 1326 | goto clean_srcu; |
9603b61d JM |
1327 | } |
1328 | ||
ac6ea6e8 EC |
1329 | err = mlx5_health_init(dev); |
1330 | if (err) { | |
1331 | dev_err(&pdev->dev, "mlx5_health_init failed with error code %d\n", err); | |
1332 | goto close_pci; | |
1333 | } | |
1334 | ||
59211bd3 MHY |
1335 | mlx5_pagealloc_init(dev); |
1336 | ||
1337 | err = mlx5_load_one(dev, priv, true); | |
9603b61d | 1338 | if (err) { |
a31208b1 | 1339 | dev_err(&pdev->dev, "mlx5_load_one failed with error code %d\n", err); |
ac6ea6e8 | 1340 | goto clean_health; |
9603b61d | 1341 | } |
59211bd3 | 1342 | |
f82eed45 | 1343 | request_module_nowait(MLX5_IB_MOD); |
9603b61d | 1344 | |
feae9087 OG |
1345 | err = devlink_register(devlink, &pdev->dev); |
1346 | if (err) | |
1347 | goto clean_load; | |
1348 | ||
5d47f6c8 | 1349 | pci_save_state(pdev); |
9603b61d JM |
1350 | return 0; |
1351 | ||
feae9087 | 1352 | clean_load: |
59211bd3 | 1353 | mlx5_unload_one(dev, priv, true); |
ac6ea6e8 | 1354 | clean_health: |
59211bd3 | 1355 | mlx5_pagealloc_cleanup(dev); |
ac6ea6e8 | 1356 | mlx5_health_cleanup(dev); |
a31208b1 MD |
1357 | close_pci: |
1358 | mlx5_pci_close(dev, priv); | |
d9aaed83 AK |
1359 | clean_srcu: |
1360 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING | |
1361 | cleanup_srcu_struct(&priv->pfault_srcu); | |
a31208b1 | 1362 | clean_dev: |
d9aaed83 | 1363 | #endif |
a31208b1 | 1364 | pci_set_drvdata(pdev, NULL); |
feae9087 | 1365 | devlink_free(devlink); |
a31208b1 | 1366 | |
9603b61d JM |
1367 | return err; |
1368 | } | |
a31208b1 | 1369 | |
9603b61d JM |
1370 | static void remove_one(struct pci_dev *pdev) |
1371 | { | |
1372 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
feae9087 | 1373 | struct devlink *devlink = priv_to_devlink(dev); |
a31208b1 | 1374 | struct mlx5_priv *priv = &dev->priv; |
9603b61d | 1375 | |
feae9087 | 1376 | devlink_unregister(devlink); |
737a234b MHY |
1377 | mlx5_unregister_device(dev); |
1378 | ||
59211bd3 | 1379 | if (mlx5_unload_one(dev, priv, true)) { |
a31208b1 | 1380 | dev_err(&dev->pdev->dev, "mlx5_unload_one failed\n"); |
ac6ea6e8 | 1381 | mlx5_health_cleanup(dev); |
a31208b1 MD |
1382 | return; |
1383 | } | |
737a234b | 1384 | |
59211bd3 | 1385 | mlx5_pagealloc_cleanup(dev); |
ac6ea6e8 | 1386 | mlx5_health_cleanup(dev); |
a31208b1 | 1387 | mlx5_pci_close(dev, priv); |
d9aaed83 AK |
1388 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
1389 | cleanup_srcu_struct(&priv->pfault_srcu); | |
1390 | #endif | |
a31208b1 | 1391 | pci_set_drvdata(pdev, NULL); |
feae9087 | 1392 | devlink_free(devlink); |
9603b61d JM |
1393 | } |
1394 | ||
89d44f0a MD |
1395 | static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, |
1396 | pci_channel_state_t state) | |
1397 | { | |
1398 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
1399 | struct mlx5_priv *priv = &dev->priv; | |
1400 | ||
1401 | dev_info(&pdev->dev, "%s was called\n", __func__); | |
04c0c1ab | 1402 | |
89d44f0a | 1403 | mlx5_enter_error_state(dev); |
59211bd3 | 1404 | mlx5_unload_one(dev, priv, false); |
5d47f6c8 | 1405 | /* In case of kernel call drain the health wq */ |
05ac2c0b | 1406 | if (state) { |
5e44fca5 | 1407 | mlx5_drain_health_wq(dev); |
05ac2c0b MHY |
1408 | mlx5_pci_disable_device(dev); |
1409 | } | |
1410 | ||
89d44f0a MD |
1411 | return state == pci_channel_io_perm_failure ? |
1412 | PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_NEED_RESET; | |
1413 | } | |
1414 | ||
d57847dc DJ |
1415 | /* wait for the device to show vital signs by waiting |
1416 | * for the health counter to start counting. | |
89d44f0a | 1417 | */ |
d57847dc | 1418 | static int wait_vital(struct pci_dev *pdev) |
89d44f0a MD |
1419 | { |
1420 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
1421 | struct mlx5_core_health *health = &dev->priv.health; | |
1422 | const int niter = 100; | |
d57847dc | 1423 | u32 last_count = 0; |
89d44f0a | 1424 | u32 count; |
89d44f0a MD |
1425 | int i; |
1426 | ||
89d44f0a MD |
1427 | for (i = 0; i < niter; i++) { |
1428 | count = ioread32be(health->health_counter); | |
1429 | if (count && count != 0xffffffff) { | |
d57847dc DJ |
1430 | if (last_count && last_count != count) { |
1431 | dev_info(&pdev->dev, "Counter value 0x%x after %d iterations\n", count, i); | |
1432 | return 0; | |
1433 | } | |
1434 | last_count = count; | |
89d44f0a MD |
1435 | } |
1436 | msleep(50); | |
1437 | } | |
1438 | ||
d57847dc | 1439 | return -ETIMEDOUT; |
89d44f0a MD |
1440 | } |
1441 | ||
1061c90f | 1442 | static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) |
89d44f0a MD |
1443 | { |
1444 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
89d44f0a MD |
1445 | int err; |
1446 | ||
1447 | dev_info(&pdev->dev, "%s was called\n", __func__); | |
1448 | ||
1061c90f | 1449 | err = mlx5_pci_enable_device(dev); |
d57847dc | 1450 | if (err) { |
1061c90f MHY |
1451 | dev_err(&pdev->dev, "%s: mlx5_pci_enable_device failed with error code: %d\n" |
1452 | , __func__, err); | |
1453 | return PCI_ERS_RESULT_DISCONNECT; | |
1454 | } | |
1455 | ||
1456 | pci_set_master(pdev); | |
1457 | pci_restore_state(pdev); | |
5d47f6c8 | 1458 | pci_save_state(pdev); |
1061c90f MHY |
1459 | |
1460 | if (wait_vital(pdev)) { | |
d57847dc | 1461 | dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); |
1061c90f | 1462 | return PCI_ERS_RESULT_DISCONNECT; |
d57847dc | 1463 | } |
89d44f0a | 1464 | |
1061c90f MHY |
1465 | return PCI_ERS_RESULT_RECOVERED; |
1466 | } | |
1467 | ||
1061c90f MHY |
1468 | static void mlx5_pci_resume(struct pci_dev *pdev) |
1469 | { | |
1470 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
1471 | struct mlx5_priv *priv = &dev->priv; | |
1472 | int err; | |
1473 | ||
1474 | dev_info(&pdev->dev, "%s was called\n", __func__); | |
1475 | ||
59211bd3 | 1476 | err = mlx5_load_one(dev, priv, false); |
89d44f0a MD |
1477 | if (err) |
1478 | dev_err(&pdev->dev, "%s: mlx5_load_one failed with error code: %d\n" | |
1479 | , __func__, err); | |
1480 | else | |
1481 | dev_info(&pdev->dev, "%s: device recovered\n", __func__); | |
1482 | } | |
1483 | ||
1484 | static const struct pci_error_handlers mlx5_err_handler = { | |
1485 | .error_detected = mlx5_pci_err_detected, | |
1486 | .slot_reset = mlx5_pci_slot_reset, | |
1487 | .resume = mlx5_pci_resume | |
1488 | }; | |
1489 | ||
5fc7197d MD |
1490 | static void shutdown(struct pci_dev *pdev) |
1491 | { | |
1492 | struct mlx5_core_dev *dev = pci_get_drvdata(pdev); | |
1493 | struct mlx5_priv *priv = &dev->priv; | |
1494 | ||
1495 | dev_info(&pdev->dev, "Shutdown was called\n"); | |
1496 | /* Notify mlx5 clients that the kernel is being shut down */ | |
1497 | set_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &dev->intf_state); | |
59211bd3 | 1498 | mlx5_unload_one(dev, priv, false); |
5fc7197d MD |
1499 | mlx5_pci_disable_device(dev); |
1500 | } | |
1501 | ||
9603b61d | 1502 | static const struct pci_device_id mlx5_core_pci_table[] = { |
fc50db98 EC |
1503 | { PCI_VDEVICE(MELLANOX, 0x1011) }, /* Connect-IB */ |
1504 | { PCI_VDEVICE(MELLANOX, 0x1012), MLX5_PCI_DEV_IS_VF}, /* Connect-IB VF */ | |
1505 | { PCI_VDEVICE(MELLANOX, 0x1013) }, /* ConnectX-4 */ | |
1506 | { PCI_VDEVICE(MELLANOX, 0x1014), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4 VF */ | |
1507 | { PCI_VDEVICE(MELLANOX, 0x1015) }, /* ConnectX-4LX */ | |
1508 | { PCI_VDEVICE(MELLANOX, 0x1016), MLX5_PCI_DEV_IS_VF}, /* ConnectX-4LX VF */ | |
7092fe86 | 1509 | { PCI_VDEVICE(MELLANOX, 0x1017) }, /* ConnectX-5, PCIe 3.0 */ |
64dbbdfe | 1510 | { PCI_VDEVICE(MELLANOX, 0x1018), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 VF */ |
d0dd989f MD |
1511 | { PCI_VDEVICE(MELLANOX, 0x1019) }, /* ConnectX-5 Ex */ |
1512 | { PCI_VDEVICE(MELLANOX, 0x101a), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 Ex VF */ | |
1513 | { PCI_VDEVICE(MELLANOX, 0x101b) }, /* ConnectX-6 */ | |
1514 | { PCI_VDEVICE(MELLANOX, 0x101c), MLX5_PCI_DEV_IS_VF}, /* ConnectX-6 VF */ | |
9603b61d JM |
1515 | { 0, } |
1516 | }; | |
1517 | ||
1518 | MODULE_DEVICE_TABLE(pci, mlx5_core_pci_table); | |
1519 | ||
04c0c1ab MHY |
1520 | void mlx5_disable_device(struct mlx5_core_dev *dev) |
1521 | { | |
1522 | mlx5_pci_err_detected(dev->pdev, 0); | |
1523 | } | |
1524 | ||
1525 | void mlx5_recover_device(struct mlx5_core_dev *dev) | |
1526 | { | |
1527 | mlx5_pci_disable_device(dev); | |
1528 | if (mlx5_pci_slot_reset(dev->pdev) == PCI_ERS_RESULT_RECOVERED) | |
1529 | mlx5_pci_resume(dev->pdev); | |
1530 | } | |
1531 | ||
9603b61d JM |
1532 | static struct pci_driver mlx5_core_driver = { |
1533 | .name = DRIVER_NAME, | |
1534 | .id_table = mlx5_core_pci_table, | |
1535 | .probe = init_one, | |
89d44f0a | 1536 | .remove = remove_one, |
5fc7197d | 1537 | .shutdown = shutdown, |
fc50db98 EC |
1538 | .err_handler = &mlx5_err_handler, |
1539 | .sriov_configure = mlx5_core_sriov_configure, | |
9603b61d | 1540 | }; |
e126ba97 | 1541 | |
f663ad98 KH |
1542 | static void mlx5_core_verify_params(void) |
1543 | { | |
1544 | if (prof_sel >= ARRAY_SIZE(profile)) { | |
1545 | pr_warn("mlx5_core: WARNING: Invalid module parameter prof_sel %d, valid range 0-%zu, changing back to default(%d)\n", | |
1546 | prof_sel, | |
1547 | ARRAY_SIZE(profile) - 1, | |
1548 | MLX5_DEFAULT_PROF); | |
1549 | prof_sel = MLX5_DEFAULT_PROF; | |
1550 | } | |
1551 | } | |
1552 | ||
e126ba97 EC |
1553 | static int __init init(void) |
1554 | { | |
1555 | int err; | |
1556 | ||
f663ad98 | 1557 | mlx5_core_verify_params(); |
e126ba97 | 1558 | mlx5_register_debugfs(); |
e126ba97 | 1559 | |
9603b61d JM |
1560 | err = pci_register_driver(&mlx5_core_driver); |
1561 | if (err) | |
ac6ea6e8 | 1562 | goto err_debug; |
9603b61d | 1563 | |
f62b8bb8 AV |
1564 | #ifdef CONFIG_MLX5_CORE_EN |
1565 | mlx5e_init(); | |
1566 | #endif | |
1567 | ||
e126ba97 EC |
1568 | return 0; |
1569 | ||
e126ba97 EC |
1570 | err_debug: |
1571 | mlx5_unregister_debugfs(); | |
1572 | return err; | |
1573 | } | |
1574 | ||
1575 | static void __exit cleanup(void) | |
1576 | { | |
f62b8bb8 AV |
1577 | #ifdef CONFIG_MLX5_CORE_EN |
1578 | mlx5e_cleanup(); | |
1579 | #endif | |
9603b61d | 1580 | pci_unregister_driver(&mlx5_core_driver); |
e126ba97 EC |
1581 | mlx5_unregister_debugfs(); |
1582 | } | |
1583 | ||
1584 | module_init(init); | |
1585 | module_exit(cleanup); |