1/*
2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved.
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 <linux/export.h>
34#include <linux/etherdevice.h>
35#include <linux/mlx5/driver.h>
36#include <linux/mlx5/vport.h>
37#include <linux/mlx5/eswitch.h>
38#include "mlx5_core.h"
39#include "sf/sf.h"
40
41/* Mutex to hold while enabling or disabling RoCE */
42static DEFINE_MUTEX(mlx5_roce_en_lock);
43
44u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
45{
46 u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {};
47 u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {};
48 int err;
49
50 MLX5_SET(query_vport_state_in, in, opcode,
51 MLX5_CMD_OP_QUERY_VPORT_STATE);
52 MLX5_SET(query_vport_state_in, in, op_mod, opmod);
53 MLX5_SET(query_vport_state_in, in, vport_number, vport);
54 if (vport)
55 MLX5_SET(query_vport_state_in, in, other_vport, 1);
56
57 err = mlx5_cmd_exec_inout(mdev, query_vport_state, in, out);
58 if (err)
59 return 0;
60
61 return MLX5_GET(query_vport_state_out, out, state);
62}
63
64int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
65 u16 vport, u8 other_vport, u8 state)
66{
67 u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)] = {};
68
69 MLX5_SET(modify_vport_state_in, in, opcode,
70 MLX5_CMD_OP_MODIFY_VPORT_STATE);
71 MLX5_SET(modify_vport_state_in, in, op_mod, opmod);
72 MLX5_SET(modify_vport_state_in, in, vport_number, vport);
73 MLX5_SET(modify_vport_state_in, in, other_vport, other_vport);
74 MLX5_SET(modify_vport_state_in, in, admin_state, state);
75
76 return mlx5_cmd_exec_in(mdev, modify_vport_state, in);
77}
78
79static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
80 u32 *out)
81{
82 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
83
84 MLX5_SET(query_nic_vport_context_in, in, opcode,
85 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
86 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
87 if (vport)
88 MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
89
90 return mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
91}
92
93int mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev,
94 u16 vport, u8 *min_inline)
95{
96 u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
97 int err;
98
99 err = mlx5_query_nic_vport_context(mdev, vport, out);
100 if (!err)
101 *min_inline = MLX5_GET(query_nic_vport_context_out, out,
102 nic_vport_context.min_wqe_inline_mode);
103 return err;
104}
105EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_min_inline);
106
107void mlx5_query_min_inline(struct mlx5_core_dev *mdev,
108 u8 *min_inline_mode)
109{
110 switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) {
111 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
112 if (!mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode))
113 break;
114 fallthrough;
115 case MLX5_CAP_INLINE_MODE_L2:
116 *min_inline_mode = MLX5_INLINE_MODE_L2;
117 break;
118 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
119 *min_inline_mode = MLX5_INLINE_MODE_NONE;
120 break;
121 }
122}
123EXPORT_SYMBOL_GPL(mlx5_query_min_inline);
124
125int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
126 u16 vport, u8 min_inline)
127{
128 u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {};
129 void *nic_vport_ctx;
130
131 MLX5_SET(modify_nic_vport_context_in, in,
132 field_select.min_inline, 1);
133 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
134 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
135
136 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
137 in, nic_vport_context);
138 MLX5_SET(nic_vport_context, nic_vport_ctx,
139 min_wqe_inline_mode, min_inline);
140 MLX5_SET(modify_nic_vport_context_in, in, opcode,
141 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
142
143 return mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
144}
145
146int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
147 u16 vport, bool other, u8 *addr)
148{
149 u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
150 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
151 u8 *out_addr;
152 int err;
153
154 out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
155 nic_vport_context.permanent_address);
156
157 MLX5_SET(query_nic_vport_context_in, in, opcode,
158 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
159 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
160 MLX5_SET(query_nic_vport_context_in, in, other_vport, other);
161
162 err = mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
163 if (!err)
164 ether_addr_copy(dst: addr, src: &out_addr[2]);
165
166 return err;
167}
168EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_address);
169
170int mlx5_query_mac_address(struct mlx5_core_dev *mdev, u8 *addr)
171{
172 return mlx5_query_nic_vport_mac_address(mdev, 0, false, addr);
173}
174EXPORT_SYMBOL_GPL(mlx5_query_mac_address);
175
176int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
177 u16 vport, const u8 *addr)
178{
179 void *in;
180 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
181 int err;
182 void *nic_vport_ctx;
183 u8 *perm_mac;
184
185 in = kvzalloc(size: inlen, GFP_KERNEL);
186 if (!in)
187 return -ENOMEM;
188
189 MLX5_SET(modify_nic_vport_context_in, in,
190 field_select.permanent_address, 1);
191 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
192 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
193
194 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
195 in, nic_vport_context);
196 perm_mac = MLX5_ADDR_OF(nic_vport_context, nic_vport_ctx,
197 permanent_address);
198
199 ether_addr_copy(dst: &perm_mac[2], src: addr);
200 MLX5_SET(modify_nic_vport_context_in, in, opcode,
201 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
202
203 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
204
205 kvfree(addr: in);
206
207 return err;
208}
209EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_address);
210
211int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu)
212{
213 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
214 u32 *out;
215 int err;
216
217 out = kvzalloc(size: outlen, GFP_KERNEL);
218 if (!out)
219 return -ENOMEM;
220
221 err = mlx5_query_nic_vport_context(mdev, vport: 0, out);
222 if (!err)
223 *mtu = MLX5_GET(query_nic_vport_context_out, out,
224 nic_vport_context.mtu);
225
226 kvfree(addr: out);
227 return err;
228}
229EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mtu);
230
231int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu)
232{
233 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
234 void *in;
235 int err;
236
237 in = kvzalloc(size: inlen, GFP_KERNEL);
238 if (!in)
239 return -ENOMEM;
240
241 MLX5_SET(modify_nic_vport_context_in, in, field_select.mtu, 1);
242 MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.mtu, mtu);
243 MLX5_SET(modify_nic_vport_context_in, in, opcode,
244 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
245
246 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
247
248 kvfree(addr: in);
249 return err;
250}
251EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mtu);
252
253int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev,
254 u16 vport,
255 enum mlx5_list_type list_type,
256 u8 addr_list[][ETH_ALEN],
257 int *list_size)
258{
259 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
260 void *nic_vport_ctx;
261 int max_list_size;
262 int req_list_size;
263 int out_sz;
264 void *out;
265 int err;
266 int i;
267
268 req_list_size = *list_size;
269
270 max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
271 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
272 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
273
274 if (req_list_size > max_list_size) {
275 mlx5_core_warn(dev, "Requested list size (%d) > (%d) max_list_size\n",
276 req_list_size, max_list_size);
277 req_list_size = max_list_size;
278 }
279
280 out_sz = MLX5_ST_SZ_BYTES(query_nic_vport_context_out) +
281 req_list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
282
283 out = kvzalloc(size: out_sz, GFP_KERNEL);
284 if (!out)
285 return -ENOMEM;
286
287 MLX5_SET(query_nic_vport_context_in, in, opcode,
288 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
289 MLX5_SET(query_nic_vport_context_in, in, allowed_list_type, list_type);
290 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
291 if (vport || mlx5_core_is_ecpf(dev))
292 MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
293
294 err = mlx5_cmd_exec(dev, in, in_size: sizeof(in), out, out_size: out_sz);
295 if (err)
296 goto out;
297
298 nic_vport_ctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
299 nic_vport_context);
300 req_list_size = MLX5_GET(nic_vport_context, nic_vport_ctx,
301 allowed_list_size);
302
303 *list_size = req_list_size;
304 for (i = 0; i < req_list_size; i++) {
305 u8 *mac_addr = MLX5_ADDR_OF(nic_vport_context,
306 nic_vport_ctx,
307 current_uc_mac_address[i]) + 2;
308 ether_addr_copy(dst: addr_list[i], src: mac_addr);
309 }
310out:
311 kvfree(addr: out);
312 return err;
313}
314EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_list);
315
316int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
317 enum mlx5_list_type list_type,
318 u8 addr_list[][ETH_ALEN],
319 int list_size)
320{
321 u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {};
322 void *nic_vport_ctx;
323 int max_list_size;
324 int in_sz;
325 void *in;
326 int err;
327 int i;
328
329 max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
330 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
331 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
332
333 if (list_size > max_list_size)
334 return -ENOSPC;
335
336 in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
337 list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
338
339 in = kvzalloc(size: in_sz, GFP_KERNEL);
340 if (!in)
341 return -ENOMEM;
342
343 MLX5_SET(modify_nic_vport_context_in, in, opcode,
344 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
345 MLX5_SET(modify_nic_vport_context_in, in,
346 field_select.addresses_list, 1);
347
348 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
349 nic_vport_context);
350
351 MLX5_SET(nic_vport_context, nic_vport_ctx,
352 allowed_list_type, list_type);
353 MLX5_SET(nic_vport_context, nic_vport_ctx,
354 allowed_list_size, list_size);
355
356 for (i = 0; i < list_size; i++) {
357 u8 *curr_mac = MLX5_ADDR_OF(nic_vport_context,
358 nic_vport_ctx,
359 current_uc_mac_address[i]) + 2;
360 ether_addr_copy(dst: curr_mac, src: addr_list[i]);
361 }
362
363 err = mlx5_cmd_exec(dev, in, in_size: in_sz, out, out_size: sizeof(out));
364 kvfree(addr: in);
365 return err;
366}
367EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_list);
368
369int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
370 u16 vlans[],
371 int list_size)
372{
373 u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
374 void *nic_vport_ctx;
375 int max_list_size;
376 int in_sz;
377 void *in;
378 int err;
379 int i;
380
381 max_list_size = 1 << MLX5_CAP_GEN(dev, log_max_vlan_list);
382
383 if (list_size > max_list_size)
384 return -ENOSPC;
385
386 in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
387 list_size * MLX5_ST_SZ_BYTES(vlan_layout);
388
389 memset(out, 0, sizeof(out));
390 in = kvzalloc(size: in_sz, GFP_KERNEL);
391 if (!in)
392 return -ENOMEM;
393
394 MLX5_SET(modify_nic_vport_context_in, in, opcode,
395 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
396 MLX5_SET(modify_nic_vport_context_in, in,
397 field_select.addresses_list, 1);
398
399 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
400 nic_vport_context);
401
402 MLX5_SET(nic_vport_context, nic_vport_ctx,
403 allowed_list_type, MLX5_NVPRT_LIST_TYPE_VLAN);
404 MLX5_SET(nic_vport_context, nic_vport_ctx,
405 allowed_list_size, list_size);
406
407 for (i = 0; i < list_size; i++) {
408 void *vlan_addr = MLX5_ADDR_OF(nic_vport_context,
409 nic_vport_ctx,
410 current_uc_mac_address[i]);
411 MLX5_SET(vlan_layout, vlan_addr, vlan, vlans[i]);
412 }
413
414 err = mlx5_cmd_exec(dev, in, in_size: in_sz, out, out_size: sizeof(out));
415 kvfree(addr: in);
416 return err;
417}
418EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_vlans);
419
420int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
421 u64 *system_image_guid)
422{
423 u32 *out;
424 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
425 int err;
426
427 out = kvzalloc(size: outlen, GFP_KERNEL);
428 if (!out)
429 return -ENOMEM;
430
431 err = mlx5_query_nic_vport_context(mdev, vport: 0, out);
432 if (err)
433 goto out;
434
435 *system_image_guid = MLX5_GET64(query_nic_vport_context_out, out,
436 nic_vport_context.system_image_guid);
437out:
438 kvfree(addr: out);
439 return err;
440}
441EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_system_image_guid);
442
443int mlx5_query_nic_vport_sd_group(struct mlx5_core_dev *mdev, u8 *sd_group)
444{
445 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
446 u32 *out;
447 int err;
448
449 out = kvzalloc(size: outlen, GFP_KERNEL);
450 if (!out)
451 return -ENOMEM;
452
453 err = mlx5_query_nic_vport_context(mdev, vport: 0, out);
454 if (err)
455 goto out;
456
457 *sd_group = MLX5_GET(query_nic_vport_context_out, out,
458 nic_vport_context.sd_group);
459out:
460 kvfree(addr: out);
461 return err;
462}
463
464int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
465{
466 u32 *out;
467 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
468
469 out = kvzalloc(size: outlen, GFP_KERNEL);
470 if (!out)
471 return -ENOMEM;
472
473 mlx5_query_nic_vport_context(mdev, vport: 0, out);
474
475 *node_guid = MLX5_GET64(query_nic_vport_context_out, out,
476 nic_vport_context.node_guid);
477
478 kvfree(addr: out);
479
480 return 0;
481}
482EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);
483
484int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
485 u16 vport, u64 node_guid)
486{
487 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
488 void *nic_vport_context;
489 void *in;
490 int err;
491
492 if (!MLX5_CAP_GEN(mdev, vport_group_manager))
493 return -EACCES;
494
495 in = kvzalloc(size: inlen, GFP_KERNEL);
496 if (!in)
497 return -ENOMEM;
498
499 MLX5_SET(modify_nic_vport_context_in, in,
500 field_select.node_guid, 1);
501 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
502 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
503
504 nic_vport_context = MLX5_ADDR_OF(modify_nic_vport_context_in,
505 in, nic_vport_context);
506 MLX5_SET64(nic_vport_context, nic_vport_context, node_guid, node_guid);
507 MLX5_SET(modify_nic_vport_context_in, in, opcode,
508 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
509
510 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
511
512 kvfree(addr: in);
513
514 return err;
515}
516
517int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
518 u16 *qkey_viol_cntr)
519{
520 u32 *out;
521 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
522
523 out = kvzalloc(size: outlen, GFP_KERNEL);
524 if (!out)
525 return -ENOMEM;
526
527 mlx5_query_nic_vport_context(mdev, vport: 0, out);
528
529 *qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out,
530 nic_vport_context.qkey_violation_counter);
531
532 kvfree(addr: out);
533
534 return 0;
535}
536EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_qkey_viol_cntr);
537
538int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
539 u8 port_num, u16 vf_num, u16 gid_index,
540 union ib_gid *gid)
541{
542 int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
543 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
544 int is_group_manager;
545 void *out = NULL;
546 void *in = NULL;
547 union ib_gid *tmp;
548 int tbsz;
549 int nout;
550 int err;
551
552 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
553 tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
554 mlx5_core_dbg(dev, "vf_num %d, index %d, gid_table_size %d\n",
555 vf_num, gid_index, tbsz);
556
557 if (gid_index > tbsz && gid_index != 0xffff)
558 return -EINVAL;
559
560 if (gid_index == 0xffff)
561 nout = tbsz;
562 else
563 nout = 1;
564
565 out_sz += nout * sizeof(*gid);
566
567 in = kvzalloc(size: in_sz, GFP_KERNEL);
568 out = kvzalloc(size: out_sz, GFP_KERNEL);
569 if (!in || !out) {
570 err = -ENOMEM;
571 goto out;
572 }
573
574 MLX5_SET(query_hca_vport_gid_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
575 if (other_vport) {
576 if (is_group_manager) {
577 MLX5_SET(query_hca_vport_gid_in, in, vport_number, vf_num);
578 MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
579 } else {
580 err = -EPERM;
581 goto out;
582 }
583 }
584 MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);
585
586 if (MLX5_CAP_GEN(dev, num_ports) == 2)
587 MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);
588
589 err = mlx5_cmd_exec(dev, in, in_size: in_sz, out, out_size: out_sz);
590 if (err)
591 goto out;
592
593 tmp = out + MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
594 gid->global.subnet_prefix = tmp->global.subnet_prefix;
595 gid->global.interface_id = tmp->global.interface_id;
596
597out:
598 kvfree(addr: in);
599 kvfree(addr: out);
600 return err;
601}
602EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_gid);
603
604int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
605 u8 port_num, u16 vf_num, u16 pkey_index,
606 u16 *pkey)
607{
608 int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_in);
609 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_out);
610 int is_group_manager;
611 void *out = NULL;
612 void *in = NULL;
613 void *pkarr;
614 int nout;
615 int tbsz;
616 int err;
617 int i;
618
619 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
620
621 tbsz = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size));
622 if (pkey_index > tbsz && pkey_index != 0xffff)
623 return -EINVAL;
624
625 if (pkey_index == 0xffff)
626 nout = tbsz;
627 else
628 nout = 1;
629
630 out_sz += nout * MLX5_ST_SZ_BYTES(pkey);
631
632 in = kvzalloc(size: in_sz, GFP_KERNEL);
633 out = kvzalloc(size: out_sz, GFP_KERNEL);
634 if (!in || !out) {
635 err = -ENOMEM;
636 goto out;
637 }
638
639 MLX5_SET(query_hca_vport_pkey_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY);
640 if (other_vport) {
641 if (is_group_manager) {
642 MLX5_SET(query_hca_vport_pkey_in, in, vport_number, vf_num);
643 MLX5_SET(query_hca_vport_pkey_in, in, other_vport, 1);
644 } else {
645 err = -EPERM;
646 goto out;
647 }
648 }
649 MLX5_SET(query_hca_vport_pkey_in, in, pkey_index, pkey_index);
650
651 if (MLX5_CAP_GEN(dev, num_ports) == 2)
652 MLX5_SET(query_hca_vport_pkey_in, in, port_num, port_num);
653
654 err = mlx5_cmd_exec(dev, in, in_size: in_sz, out, out_size: out_sz);
655 if (err)
656 goto out;
657
658 pkarr = MLX5_ADDR_OF(query_hca_vport_pkey_out, out, pkey);
659 for (i = 0; i < nout; i++, pkey++, pkarr += MLX5_ST_SZ_BYTES(pkey))
660 *pkey = MLX5_GET_PR(pkey, pkarr, pkey);
661
662out:
663 kvfree(addr: in);
664 kvfree(addr: out);
665 return err;
666}
667EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_pkey);
668
669int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
670 u8 other_vport, u8 port_num,
671 u16 vf_num,
672 struct mlx5_hca_vport_context *rep)
673{
674 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
675 int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)] = {};
676 int is_group_manager;
677 void *out;
678 void *ctx;
679 int err;
680
681 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
682
683 out = kvzalloc(size: out_sz, GFP_KERNEL);
684 if (!out)
685 return -ENOMEM;
686
687 MLX5_SET(query_hca_vport_context_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT);
688
689 if (other_vport) {
690 if (is_group_manager) {
691 MLX5_SET(query_hca_vport_context_in, in, other_vport, 1);
692 MLX5_SET(query_hca_vport_context_in, in, vport_number, vf_num);
693 } else {
694 err = -EPERM;
695 goto ex;
696 }
697 }
698
699 if (MLX5_CAP_GEN(dev, num_ports) == 2)
700 MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);
701
702 err = mlx5_cmd_exec_inout(dev, query_hca_vport_context, in, out);
703 if (err)
704 goto ex;
705
706 ctx = MLX5_ADDR_OF(query_hca_vport_context_out, out, hca_vport_context);
707 rep->field_select = MLX5_GET_PR(hca_vport_context, ctx, field_select);
708 rep->sm_virt_aware = MLX5_GET_PR(hca_vport_context, ctx, sm_virt_aware);
709 rep->has_smi = MLX5_GET_PR(hca_vport_context, ctx, has_smi);
710 rep->has_raw = MLX5_GET_PR(hca_vport_context, ctx, has_raw);
711 rep->policy = MLX5_GET_PR(hca_vport_context, ctx, vport_state_policy);
712 rep->phys_state = MLX5_GET_PR(hca_vport_context, ctx,
713 port_physical_state);
714 rep->vport_state = MLX5_GET_PR(hca_vport_context, ctx, vport_state);
715 rep->port_physical_state = MLX5_GET_PR(hca_vport_context, ctx,
716 port_physical_state);
717 rep->port_guid = MLX5_GET64_PR(hca_vport_context, ctx, port_guid);
718 rep->node_guid = MLX5_GET64_PR(hca_vport_context, ctx, node_guid);
719 rep->cap_mask1 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask1);
720 rep->cap_mask1_perm = MLX5_GET_PR(hca_vport_context, ctx,
721 cap_mask1_field_select);
722 rep->cap_mask2 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask2);
723 rep->cap_mask2_perm = MLX5_GET_PR(hca_vport_context, ctx,
724 cap_mask2_field_select);
725 rep->lid = MLX5_GET_PR(hca_vport_context, ctx, lid);
726 rep->init_type_reply = MLX5_GET_PR(hca_vport_context, ctx,
727 init_type_reply);
728 rep->lmc = MLX5_GET_PR(hca_vport_context, ctx, lmc);
729 rep->subnet_timeout = MLX5_GET_PR(hca_vport_context, ctx,
730 subnet_timeout);
731 rep->sm_lid = MLX5_GET_PR(hca_vport_context, ctx, sm_lid);
732 rep->sm_sl = MLX5_GET_PR(hca_vport_context, ctx, sm_sl);
733 rep->qkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
734 qkey_violation_counter);
735 rep->pkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
736 pkey_violation_counter);
737 rep->grh_required = MLX5_GET_PR(hca_vport_context, ctx, grh_required);
738 rep->sys_image_guid = MLX5_GET64_PR(hca_vport_context, ctx,
739 system_image_guid);
740
741ex:
742 kvfree(addr: out);
743 return err;
744}
745EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_context);
746
747int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
748 u64 *sys_image_guid)
749{
750 struct mlx5_hca_vport_context *rep;
751 int err;
752
753 rep = kvzalloc(size: sizeof(*rep), GFP_KERNEL);
754 if (!rep)
755 return -ENOMEM;
756
757 err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
758 if (!err)
759 *sys_image_guid = rep->sys_image_guid;
760
761 kvfree(addr: rep);
762 return err;
763}
764EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_system_image_guid);
765
766int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
767 u64 *node_guid)
768{
769 struct mlx5_hca_vport_context *rep;
770 int err;
771
772 rep = kvzalloc(size: sizeof(*rep), GFP_KERNEL);
773 if (!rep)
774 return -ENOMEM;
775
776 err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
777 if (!err)
778 *node_guid = rep->node_guid;
779
780 kvfree(addr: rep);
781 return err;
782}
783EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_node_guid);
784
785int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev,
786 u16 vport,
787 int *promisc_uc,
788 int *promisc_mc,
789 int *promisc_all)
790{
791 u32 *out;
792 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
793 int err;
794
795 out = kvzalloc(size: outlen, GFP_KERNEL);
796 if (!out)
797 return -ENOMEM;
798
799 err = mlx5_query_nic_vport_context(mdev, vport, out);
800 if (err)
801 goto out;
802
803 *promisc_uc = MLX5_GET(query_nic_vport_context_out, out,
804 nic_vport_context.promisc_uc);
805 *promisc_mc = MLX5_GET(query_nic_vport_context_out, out,
806 nic_vport_context.promisc_mc);
807 *promisc_all = MLX5_GET(query_nic_vport_context_out, out,
808 nic_vport_context.promisc_all);
809
810out:
811 kvfree(addr: out);
812 return err;
813}
814EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_promisc);
815
816int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev,
817 int promisc_uc,
818 int promisc_mc,
819 int promisc_all)
820{
821 void *in;
822 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
823 int err;
824
825 in = kvzalloc(size: inlen, GFP_KERNEL);
826 if (!in)
827 return -ENOMEM;
828
829 MLX5_SET(modify_nic_vport_context_in, in, field_select.promisc, 1);
830 MLX5_SET(modify_nic_vport_context_in, in,
831 nic_vport_context.promisc_uc, promisc_uc);
832 MLX5_SET(modify_nic_vport_context_in, in,
833 nic_vport_context.promisc_mc, promisc_mc);
834 MLX5_SET(modify_nic_vport_context_in, in,
835 nic_vport_context.promisc_all, promisc_all);
836 MLX5_SET(modify_nic_vport_context_in, in, opcode,
837 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
838
839 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
840
841 kvfree(addr: in);
842
843 return err;
844}
845EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc);
846
847enum {
848 UC_LOCAL_LB,
849 MC_LOCAL_LB
850};
851
852int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable)
853{
854 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
855 void *in;
856 int err;
857
858 if (!MLX5_CAP_GEN(mdev, disable_local_lb_mc) &&
859 !MLX5_CAP_GEN(mdev, disable_local_lb_uc))
860 return 0;
861
862 in = kvzalloc(size: inlen, GFP_KERNEL);
863 if (!in)
864 return -ENOMEM;
865
866 MLX5_SET(modify_nic_vport_context_in, in,
867 nic_vport_context.disable_mc_local_lb, !enable);
868 MLX5_SET(modify_nic_vport_context_in, in,
869 nic_vport_context.disable_uc_local_lb, !enable);
870
871 if (MLX5_CAP_GEN(mdev, disable_local_lb_mc))
872 MLX5_SET(modify_nic_vport_context_in, in,
873 field_select.disable_mc_local_lb, 1);
874
875 if (MLX5_CAP_GEN(mdev, disable_local_lb_uc))
876 MLX5_SET(modify_nic_vport_context_in, in,
877 field_select.disable_uc_local_lb, 1);
878 MLX5_SET(modify_nic_vport_context_in, in, opcode,
879 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
880
881 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
882
883 if (!err)
884 mlx5_core_dbg(mdev, "%s local_lb\n",
885 enable ? "enable" : "disable");
886
887 kvfree(addr: in);
888 return err;
889}
890EXPORT_SYMBOL_GPL(mlx5_nic_vport_update_local_lb);
891
892int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status)
893{
894 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
895 u32 *out;
896 int value;
897 int err;
898
899 out = kvzalloc(size: outlen, GFP_KERNEL);
900 if (!out)
901 return -ENOMEM;
902
903 err = mlx5_query_nic_vport_context(mdev, vport: 0, out);
904 if (err)
905 goto out;
906
907 value = MLX5_GET(query_nic_vport_context_out, out,
908 nic_vport_context.disable_mc_local_lb) << MC_LOCAL_LB;
909
910 value |= MLX5_GET(query_nic_vport_context_out, out,
911 nic_vport_context.disable_uc_local_lb) << UC_LOCAL_LB;
912
913 *status = !value;
914
915out:
916 kvfree(addr: out);
917 return err;
918}
919EXPORT_SYMBOL_GPL(mlx5_nic_vport_query_local_lb);
920
921enum mlx5_vport_roce_state {
922 MLX5_VPORT_ROCE_DISABLED = 0,
923 MLX5_VPORT_ROCE_ENABLED = 1,
924};
925
926static int mlx5_nic_vport_update_roce_state(struct mlx5_core_dev *mdev,
927 enum mlx5_vport_roce_state state)
928{
929 void *in;
930 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
931 int err;
932
933 in = kvzalloc(size: inlen, GFP_KERNEL);
934 if (!in)
935 return -ENOMEM;
936
937 MLX5_SET(modify_nic_vport_context_in, in, field_select.roce_en, 1);
938 MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.roce_en,
939 state);
940 MLX5_SET(modify_nic_vport_context_in, in, opcode,
941 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
942
943 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
944
945 kvfree(addr: in);
946
947 return err;
948}
949
950int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev)
951{
952 int err = 0;
953
954 mutex_lock(&mlx5_roce_en_lock);
955 if (!mdev->roce.roce_en)
956 err = mlx5_nic_vport_update_roce_state(mdev, state: MLX5_VPORT_ROCE_ENABLED);
957
958 if (!err)
959 mdev->roce.roce_en++;
960 mutex_unlock(lock: &mlx5_roce_en_lock);
961
962 return err;
963}
964EXPORT_SYMBOL_GPL(mlx5_nic_vport_enable_roce);
965
966int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
967{
968 int err = 0;
969
970 mutex_lock(&mlx5_roce_en_lock);
971 if (mdev->roce.roce_en) {
972 mdev->roce.roce_en--;
973 if (mdev->roce.roce_en == 0)
974 err = mlx5_nic_vport_update_roce_state(mdev, state: MLX5_VPORT_ROCE_DISABLED);
975
976 if (err)
977 mdev->roce.roce_en++;
978 }
979 mutex_unlock(lock: &mlx5_roce_en_lock);
980 return err;
981}
982EXPORT_SYMBOL(mlx5_nic_vport_disable_roce);
983
984int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
985 int vf, u8 port_num, void *out)
986{
987 int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
988 int is_group_manager;
989 void *in;
990 int err;
991
992 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
993 in = kvzalloc(size: in_sz, GFP_KERNEL);
994 if (!in) {
995 err = -ENOMEM;
996 return err;
997 }
998
999 MLX5_SET(query_vport_counter_in, in, opcode,
1000 MLX5_CMD_OP_QUERY_VPORT_COUNTER);
1001 if (other_vport) {
1002 if (is_group_manager) {
1003 MLX5_SET(query_vport_counter_in, in, other_vport, 1);
1004 MLX5_SET(query_vport_counter_in, in, vport_number, vf + 1);
1005 } else {
1006 err = -EPERM;
1007 goto free;
1008 }
1009 }
1010 if (MLX5_CAP_GEN(dev, num_ports) == 2)
1011 MLX5_SET(query_vport_counter_in, in, port_num, port_num);
1012
1013 err = mlx5_cmd_exec_inout(dev, query_vport_counter, in, out);
1014free:
1015 kvfree(addr: in);
1016 return err;
1017}
1018EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);
1019
1020int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
1021 u8 other_vport, u64 *rx_discard_vport_down,
1022 u64 *tx_discard_vport_down)
1023{
1024 u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {};
1025 u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
1026 int err;
1027
1028 MLX5_SET(query_vnic_env_in, in, opcode,
1029 MLX5_CMD_OP_QUERY_VNIC_ENV);
1030 MLX5_SET(query_vnic_env_in, in, op_mod, 0);
1031 MLX5_SET(query_vnic_env_in, in, vport_number, vport);
1032 MLX5_SET(query_vnic_env_in, in, other_vport, other_vport);
1033
1034 err = mlx5_cmd_exec_inout(mdev, query_vnic_env, in, out);
1035 if (err)
1036 return err;
1037
1038 *rx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1039 vport_env.receive_discard_vport_down);
1040 *tx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1041 vport_env.transmit_discard_vport_down);
1042 return 0;
1043}
1044
1045int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
1046 u8 other_vport, u8 port_num,
1047 int vf,
1048 struct mlx5_hca_vport_context *req)
1049{
1050 int in_sz = MLX5_ST_SZ_BYTES(modify_hca_vport_context_in);
1051 int is_group_manager;
1052 void *ctx;
1053 void *in;
1054 int err;
1055
1056 mlx5_core_dbg(dev, "vf %d\n", vf);
1057 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
1058 in = kvzalloc(size: in_sz, GFP_KERNEL);
1059 if (!in)
1060 return -ENOMEM;
1061
1062 MLX5_SET(modify_hca_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT);
1063 if (other_vport) {
1064 if (is_group_manager) {
1065 MLX5_SET(modify_hca_vport_context_in, in, other_vport, 1);
1066 MLX5_SET(modify_hca_vport_context_in, in, vport_number, vf);
1067 } else {
1068 err = -EPERM;
1069 goto ex;
1070 }
1071 }
1072
1073 if (MLX5_CAP_GEN(dev, num_ports) > 1)
1074 MLX5_SET(modify_hca_vport_context_in, in, port_num, port_num);
1075
1076 ctx = MLX5_ADDR_OF(modify_hca_vport_context_in, in, hca_vport_context);
1077 MLX5_SET(hca_vport_context, ctx, field_select, req->field_select);
1078 if (req->field_select & MLX5_HCA_VPORT_SEL_STATE_POLICY)
1079 MLX5_SET(hca_vport_context, ctx, vport_state_policy,
1080 req->policy);
1081 if (req->field_select & MLX5_HCA_VPORT_SEL_PORT_GUID)
1082 MLX5_SET64(hca_vport_context, ctx, port_guid, req->port_guid);
1083 if (req->field_select & MLX5_HCA_VPORT_SEL_NODE_GUID)
1084 MLX5_SET64(hca_vport_context, ctx, node_guid, req->node_guid);
1085 MLX5_SET(hca_vport_context, ctx, cap_mask1, req->cap_mask1);
1086 MLX5_SET(hca_vport_context, ctx, cap_mask1_field_select,
1087 req->cap_mask1_perm);
1088 err = mlx5_cmd_exec_in(dev, modify_hca_vport_context, in);
1089ex:
1090 kvfree(addr: in);
1091 return err;
1092}
1093EXPORT_SYMBOL_GPL(mlx5_core_modify_hca_vport_context);
1094
1095int mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev *master_mdev,
1096 struct mlx5_core_dev *port_mdev)
1097{
1098 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1099 void *in;
1100 int err;
1101
1102 in = kvzalloc(size: inlen, GFP_KERNEL);
1103 if (!in)
1104 return -ENOMEM;
1105
1106 err = mlx5_nic_vport_enable_roce(port_mdev);
1107 if (err)
1108 goto free;
1109
1110 MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1111 if (MLX5_CAP_GEN_2(master_mdev, sw_vhca_id_valid)) {
1112 MLX5_SET(modify_nic_vport_context_in, in,
1113 nic_vport_context.vhca_id_type, VHCA_ID_TYPE_SW);
1114 MLX5_SET(modify_nic_vport_context_in, in,
1115 nic_vport_context.affiliated_vhca_id,
1116 MLX5_CAP_GEN_2(master_mdev, sw_vhca_id));
1117 } else {
1118 MLX5_SET(modify_nic_vport_context_in, in,
1119 nic_vport_context.affiliated_vhca_id,
1120 MLX5_CAP_GEN(master_mdev, vhca_id));
1121 }
1122 MLX5_SET(modify_nic_vport_context_in, in,
1123 nic_vport_context.affiliation_criteria,
1124 MLX5_CAP_GEN(port_mdev, affiliate_nic_vport_criteria));
1125 MLX5_SET(modify_nic_vport_context_in, in, opcode,
1126 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1127
1128 err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1129 if (err)
1130 mlx5_nic_vport_disable_roce(port_mdev);
1131
1132free:
1133 kvfree(addr: in);
1134 return err;
1135}
1136EXPORT_SYMBOL_GPL(mlx5_nic_vport_affiliate_multiport);
1137
1138int mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev *port_mdev)
1139{
1140 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1141 void *in;
1142 int err;
1143
1144 in = kvzalloc(size: inlen, GFP_KERNEL);
1145 if (!in)
1146 return -ENOMEM;
1147
1148 MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1149 MLX5_SET(modify_nic_vport_context_in, in,
1150 nic_vport_context.affiliated_vhca_id, 0);
1151 MLX5_SET(modify_nic_vport_context_in, in,
1152 nic_vport_context.affiliation_criteria, 0);
1153 MLX5_SET(modify_nic_vport_context_in, in, opcode,
1154 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1155
1156 err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1157 if (!err)
1158 mlx5_nic_vport_disable_roce(port_mdev);
1159
1160 kvfree(addr: in);
1161 return err;
1162}
1163EXPORT_SYMBOL_GPL(mlx5_nic_vport_unaffiliate_multiport);
1164
1165u64 mlx5_query_nic_system_image_guid(struct mlx5_core_dev *mdev)
1166{
1167 int port_type_cap = MLX5_CAP_GEN(mdev, port_type);
1168 u64 tmp;
1169 int err;
1170
1171 if (mdev->sys_image_guid)
1172 return mdev->sys_image_guid;
1173
1174 if (port_type_cap == MLX5_CAP_PORT_TYPE_ETH)
1175 err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp);
1176 else
1177 err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
1178
1179 mdev->sys_image_guid = err ? 0 : tmp;
1180
1181 return mdev->sys_image_guid;
1182}
1183EXPORT_SYMBOL_GPL(mlx5_query_nic_system_image_guid);
1184
1185int mlx5_vport_get_other_func_cap(struct mlx5_core_dev *dev, u16 vport, void *out,
1186 u16 opmod)
1187{
1188 bool ec_vf_func = mlx5_core_is_ec_vf_vport(dev, vport_num: vport);
1189 u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)] = {};
1190
1191 opmod = (opmod << 1) | (HCA_CAP_OPMOD_GET_MAX & 0x01);
1192 MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
1193 MLX5_SET(query_hca_cap_in, in, op_mod, opmod);
1194 MLX5_SET(query_hca_cap_in, in, function_id, mlx5_vport_to_func_id(dev, vport, ec_vf_func));
1195 MLX5_SET(query_hca_cap_in, in, other_function, true);
1196 MLX5_SET(query_hca_cap_in, in, ec_vf_function, ec_vf_func);
1197 return mlx5_cmd_exec_inout(dev, query_hca_cap, in, out);
1198}
1199EXPORT_SYMBOL_GPL(mlx5_vport_get_other_func_cap);
1200
1201int mlx5_vport_set_other_func_cap(struct mlx5_core_dev *dev, const void *hca_cap,
1202 u16 vport, u16 opmod)
1203{
1204 bool ec_vf_func = mlx5_core_is_ec_vf_vport(dev, vport_num: vport);
1205 int set_sz = MLX5_ST_SZ_BYTES(set_hca_cap_in);
1206 void *set_hca_cap;
1207 void *set_ctx;
1208 int ret;
1209
1210 set_ctx = kzalloc(size: set_sz, GFP_KERNEL);
1211 if (!set_ctx)
1212 return -ENOMEM;
1213
1214 MLX5_SET(set_hca_cap_in, set_ctx, opcode, MLX5_CMD_OP_SET_HCA_CAP);
1215 MLX5_SET(set_hca_cap_in, set_ctx, op_mod, opmod << 1);
1216 set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability);
1217 memcpy(set_hca_cap, hca_cap, MLX5_ST_SZ_BYTES(cmd_hca_cap));
1218 MLX5_SET(set_hca_cap_in, set_ctx, function_id,
1219 mlx5_vport_to_func_id(dev, vport, ec_vf_func));
1220 MLX5_SET(set_hca_cap_in, set_ctx, other_function, true);
1221 MLX5_SET(set_hca_cap_in, set_ctx, ec_vf_function, ec_vf_func);
1222 ret = mlx5_cmd_exec_in(dev, set_hca_cap, set_ctx);
1223
1224 kfree(objp: set_ctx);
1225 return ret;
1226}
1227

source code of linux/drivers/net/ethernet/mellanox/mlx5/core/vport.c