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
40 /* Mutex to hold while enabling or disabling RoCE */
41 static DEFINE_MUTEX(mlx5_roce_en_lock);
42
mlx5_query_vport_state(struct mlx5_core_dev * mdev,u8 opmod,u16 vport)43 u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod, u16 vport)
44 {
45 u32 out[MLX5_ST_SZ_DW(query_vport_state_out)] = {};
46 u32 in[MLX5_ST_SZ_DW(query_vport_state_in)] = {};
47 int err;
48
49 MLX5_SET(query_vport_state_in, in, opcode,
50 MLX5_CMD_OP_QUERY_VPORT_STATE);
51 MLX5_SET(query_vport_state_in, in, op_mod, opmod);
52 MLX5_SET(query_vport_state_in, in, vport_number, vport);
53 if (vport)
54 MLX5_SET(query_vport_state_in, in, other_vport, 1);
55
56 err = mlx5_cmd_exec_inout(mdev, query_vport_state, in, out);
57 if (err)
58 return 0;
59
60 return MLX5_GET(query_vport_state_out, out, state);
61 }
62
mlx5_modify_vport_admin_state(struct mlx5_core_dev * mdev,u8 opmod,u16 vport,u8 other_vport,u8 state)63 int mlx5_modify_vport_admin_state(struct mlx5_core_dev *mdev, u8 opmod,
64 u16 vport, u8 other_vport, u8 state)
65 {
66 u32 in[MLX5_ST_SZ_DW(modify_vport_state_in)] = {};
67
68 MLX5_SET(modify_vport_state_in, in, opcode,
69 MLX5_CMD_OP_MODIFY_VPORT_STATE);
70 MLX5_SET(modify_vport_state_in, in, op_mod, opmod);
71 MLX5_SET(modify_vport_state_in, in, vport_number, vport);
72 MLX5_SET(modify_vport_state_in, in, other_vport, other_vport);
73 MLX5_SET(modify_vport_state_in, in, admin_state, state);
74
75 return mlx5_cmd_exec_in(mdev, modify_vport_state, in);
76 }
77
mlx5_query_nic_vport_context(struct mlx5_core_dev * mdev,u16 vport,u32 * out)78 static int mlx5_query_nic_vport_context(struct mlx5_core_dev *mdev, u16 vport,
79 u32 *out)
80 {
81 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
82
83 MLX5_SET(query_nic_vport_context_in, in, opcode,
84 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
85 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
86 if (vport)
87 MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
88
89 return mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
90 }
91
mlx5_query_nic_vport_min_inline(struct mlx5_core_dev * mdev,u16 vport,u8 * min_inline)92 int mlx5_query_nic_vport_min_inline(struct mlx5_core_dev *mdev,
93 u16 vport, u8 *min_inline)
94 {
95 u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
96 int err;
97
98 err = mlx5_query_nic_vport_context(mdev, vport, out);
99 if (!err)
100 *min_inline = MLX5_GET(query_nic_vport_context_out, out,
101 nic_vport_context.min_wqe_inline_mode);
102 return err;
103 }
104 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_min_inline);
105
mlx5_query_min_inline(struct mlx5_core_dev * mdev,u8 * min_inline_mode)106 void mlx5_query_min_inline(struct mlx5_core_dev *mdev,
107 u8 *min_inline_mode)
108 {
109 switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) {
110 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
111 if (!mlx5_query_nic_vport_min_inline(mdev, 0, min_inline_mode))
112 break;
113 fallthrough;
114 case MLX5_CAP_INLINE_MODE_L2:
115 *min_inline_mode = MLX5_INLINE_MODE_L2;
116 break;
117 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
118 *min_inline_mode = MLX5_INLINE_MODE_NONE;
119 break;
120 }
121 }
122 EXPORT_SYMBOL_GPL(mlx5_query_min_inline);
123
mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev * mdev,u16 vport,u8 min_inline)124 int mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev *mdev,
125 u16 vport, u8 min_inline)
126 {
127 u32 in[MLX5_ST_SZ_DW(modify_nic_vport_context_in)] = {};
128 void *nic_vport_ctx;
129
130 MLX5_SET(modify_nic_vport_context_in, in,
131 field_select.min_inline, 1);
132 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
133 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
134
135 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
136 in, nic_vport_context);
137 MLX5_SET(nic_vport_context, nic_vport_ctx,
138 min_wqe_inline_mode, min_inline);
139 MLX5_SET(modify_nic_vport_context_in, in, opcode,
140 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
141
142 return mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
143 }
144
mlx5_query_nic_vport_mac_address(struct mlx5_core_dev * mdev,u16 vport,bool other,u8 * addr)145 int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
146 u16 vport, bool other, u8 *addr)
147 {
148 u32 out[MLX5_ST_SZ_DW(query_nic_vport_context_out)] = {};
149 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {};
150 u8 *out_addr;
151 int err;
152
153 out_addr = MLX5_ADDR_OF(query_nic_vport_context_out, out,
154 nic_vport_context.permanent_address);
155
156 MLX5_SET(query_nic_vport_context_in, in, opcode,
157 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
158 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
159 MLX5_SET(query_nic_vport_context_in, in, other_vport, other);
160
161 err = mlx5_cmd_exec_inout(mdev, query_nic_vport_context, in, out);
162 if (!err)
163 ether_addr_copy(addr, &out_addr[2]);
164
165 return err;
166 }
167 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_address);
168
mlx5_query_mac_address(struct mlx5_core_dev * mdev,u8 * addr)169 int mlx5_query_mac_address(struct mlx5_core_dev *mdev, u8 *addr)
170 {
171 return mlx5_query_nic_vport_mac_address(mdev, 0, false, addr);
172 }
173 EXPORT_SYMBOL_GPL(mlx5_query_mac_address);
174
mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev * mdev,u16 vport,const u8 * addr)175 int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
176 u16 vport, const u8 *addr)
177 {
178 void *in;
179 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
180 int err;
181 void *nic_vport_ctx;
182 u8 *perm_mac;
183
184 in = kvzalloc(inlen, GFP_KERNEL);
185 if (!in)
186 return -ENOMEM;
187
188 MLX5_SET(modify_nic_vport_context_in, in,
189 field_select.permanent_address, 1);
190 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
191 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
192
193 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in,
194 in, nic_vport_context);
195 perm_mac = MLX5_ADDR_OF(nic_vport_context, nic_vport_ctx,
196 permanent_address);
197
198 ether_addr_copy(&perm_mac[2], addr);
199 MLX5_SET(modify_nic_vport_context_in, in, opcode,
200 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
201
202 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
203
204 kvfree(in);
205
206 return err;
207 }
208 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_address);
209
mlx5_query_nic_vport_mtu(struct mlx5_core_dev * mdev,u16 * mtu)210 int mlx5_query_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 *mtu)
211 {
212 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
213 u32 *out;
214 int err;
215
216 out = kvzalloc(outlen, GFP_KERNEL);
217 if (!out)
218 return -ENOMEM;
219
220 err = mlx5_query_nic_vport_context(mdev, 0, out);
221 if (!err)
222 *mtu = MLX5_GET(query_nic_vport_context_out, out,
223 nic_vport_context.mtu);
224
225 kvfree(out);
226 return err;
227 }
228 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mtu);
229
mlx5_modify_nic_vport_mtu(struct mlx5_core_dev * mdev,u16 mtu)230 int mlx5_modify_nic_vport_mtu(struct mlx5_core_dev *mdev, u16 mtu)
231 {
232 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
233 void *in;
234 int err;
235
236 in = kvzalloc(inlen, GFP_KERNEL);
237 if (!in)
238 return -ENOMEM;
239
240 MLX5_SET(modify_nic_vport_context_in, in, field_select.mtu, 1);
241 MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.mtu, mtu);
242 MLX5_SET(modify_nic_vport_context_in, in, opcode,
243 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
244
245 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
246
247 kvfree(in);
248 return err;
249 }
250 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mtu);
251
mlx5_query_nic_vport_mac_list(struct mlx5_core_dev * dev,u16 vport,enum mlx5_list_type list_type,u8 addr_list[][ETH_ALEN],int * list_size)252 int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev,
253 u16 vport,
254 enum mlx5_list_type list_type,
255 u8 addr_list[][ETH_ALEN],
256 int *list_size)
257 {
258 u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)] = {0};
259 void *nic_vport_ctx;
260 int max_list_size;
261 int req_list_size;
262 int out_sz;
263 void *out;
264 int err;
265 int i;
266
267 req_list_size = *list_size;
268
269 max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
270 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
271 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
272
273 if (req_list_size > max_list_size) {
274 mlx5_core_warn(dev, "Requested list size (%d) > (%d) max_list_size\n",
275 req_list_size, max_list_size);
276 req_list_size = max_list_size;
277 }
278
279 out_sz = MLX5_ST_SZ_BYTES(query_nic_vport_context_in) +
280 req_list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
281
282 out = kzalloc(out_sz, GFP_KERNEL);
283 if (!out)
284 return -ENOMEM;
285
286 MLX5_SET(query_nic_vport_context_in, in, opcode,
287 MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
288 MLX5_SET(query_nic_vport_context_in, in, allowed_list_type, list_type);
289 MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
290 MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
291
292 err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
293 if (err)
294 goto out;
295
296 nic_vport_ctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
297 nic_vport_context);
298 req_list_size = MLX5_GET(nic_vport_context, nic_vport_ctx,
299 allowed_list_size);
300
301 *list_size = req_list_size;
302 for (i = 0; i < req_list_size; i++) {
303 u8 *mac_addr = MLX5_ADDR_OF(nic_vport_context,
304 nic_vport_ctx,
305 current_uc_mac_address[i]) + 2;
306 ether_addr_copy(addr_list[i], mac_addr);
307 }
308 out:
309 kfree(out);
310 return err;
311 }
312 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_list);
313
mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev * dev,enum mlx5_list_type list_type,u8 addr_list[][ETH_ALEN],int list_size)314 int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
315 enum mlx5_list_type list_type,
316 u8 addr_list[][ETH_ALEN],
317 int list_size)
318 {
319 u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {};
320 void *nic_vport_ctx;
321 int max_list_size;
322 int in_sz;
323 void *in;
324 int err;
325 int i;
326
327 max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
328 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
329 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
330
331 if (list_size > max_list_size)
332 return -ENOSPC;
333
334 in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
335 list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
336
337 in = kzalloc(in_sz, GFP_KERNEL);
338 if (!in)
339 return -ENOMEM;
340
341 MLX5_SET(modify_nic_vport_context_in, in, opcode,
342 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
343 MLX5_SET(modify_nic_vport_context_in, in,
344 field_select.addresses_list, 1);
345
346 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
347 nic_vport_context);
348
349 MLX5_SET(nic_vport_context, nic_vport_ctx,
350 allowed_list_type, list_type);
351 MLX5_SET(nic_vport_context, nic_vport_ctx,
352 allowed_list_size, list_size);
353
354 for (i = 0; i < list_size; i++) {
355 u8 *curr_mac = MLX5_ADDR_OF(nic_vport_context,
356 nic_vport_ctx,
357 current_uc_mac_address[i]) + 2;
358 ether_addr_copy(curr_mac, addr_list[i]);
359 }
360
361 err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
362 kfree(in);
363 return err;
364 }
365 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_list);
366
mlx5_modify_nic_vport_vlans(struct mlx5_core_dev * dev,u16 vlans[],int list_size)367 int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
368 u16 vlans[],
369 int list_size)
370 {
371 u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
372 void *nic_vport_ctx;
373 int max_list_size;
374 int in_sz;
375 void *in;
376 int err;
377 int i;
378
379 max_list_size = 1 << MLX5_CAP_GEN(dev, log_max_vlan_list);
380
381 if (list_size > max_list_size)
382 return -ENOSPC;
383
384 in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
385 list_size * MLX5_ST_SZ_BYTES(vlan_layout);
386
387 memset(out, 0, sizeof(out));
388 in = kzalloc(in_sz, GFP_KERNEL);
389 if (!in)
390 return -ENOMEM;
391
392 MLX5_SET(modify_nic_vport_context_in, in, opcode,
393 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
394 MLX5_SET(modify_nic_vport_context_in, in,
395 field_select.addresses_list, 1);
396
397 nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
398 nic_vport_context);
399
400 MLX5_SET(nic_vport_context, nic_vport_ctx,
401 allowed_list_type, MLX5_NVPRT_LIST_TYPE_VLAN);
402 MLX5_SET(nic_vport_context, nic_vport_ctx,
403 allowed_list_size, list_size);
404
405 for (i = 0; i < list_size; i++) {
406 void *vlan_addr = MLX5_ADDR_OF(nic_vport_context,
407 nic_vport_ctx,
408 current_uc_mac_address[i]);
409 MLX5_SET(vlan_layout, vlan_addr, vlan, vlans[i]);
410 }
411
412 err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
413 kfree(in);
414 return err;
415 }
416 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_vlans);
417
mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev * mdev,u64 * system_image_guid)418 int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
419 u64 *system_image_guid)
420 {
421 u32 *out;
422 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
423
424 out = kvzalloc(outlen, GFP_KERNEL);
425 if (!out)
426 return -ENOMEM;
427
428 mlx5_query_nic_vport_context(mdev, 0, out);
429
430 *system_image_guid = MLX5_GET64(query_nic_vport_context_out, out,
431 nic_vport_context.system_image_guid);
432
433 kvfree(out);
434
435 return 0;
436 }
437 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_system_image_guid);
438
mlx5_query_nic_vport_node_guid(struct mlx5_core_dev * mdev,u64 * node_guid)439 int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
440 {
441 u32 *out;
442 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
443
444 out = kvzalloc(outlen, GFP_KERNEL);
445 if (!out)
446 return -ENOMEM;
447
448 mlx5_query_nic_vport_context(mdev, 0, out);
449
450 *node_guid = MLX5_GET64(query_nic_vport_context_out, out,
451 nic_vport_context.node_guid);
452
453 kvfree(out);
454
455 return 0;
456 }
457 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);
458
mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev * mdev,u16 vport,u64 node_guid)459 int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
460 u16 vport, u64 node_guid)
461 {
462 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
463 void *nic_vport_context;
464 void *in;
465 int err;
466
467 if (!MLX5_CAP_GEN(mdev, vport_group_manager))
468 return -EACCES;
469
470 in = kvzalloc(inlen, GFP_KERNEL);
471 if (!in)
472 return -ENOMEM;
473
474 MLX5_SET(modify_nic_vport_context_in, in,
475 field_select.node_guid, 1);
476 MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
477 MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
478
479 nic_vport_context = MLX5_ADDR_OF(modify_nic_vport_context_in,
480 in, nic_vport_context);
481 MLX5_SET64(nic_vport_context, nic_vport_context, node_guid, node_guid);
482 MLX5_SET(modify_nic_vport_context_in, in, opcode,
483 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
484
485 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
486
487 kvfree(in);
488
489 return err;
490 }
491
mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev * mdev,u16 * qkey_viol_cntr)492 int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
493 u16 *qkey_viol_cntr)
494 {
495 u32 *out;
496 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
497
498 out = kvzalloc(outlen, GFP_KERNEL);
499 if (!out)
500 return -ENOMEM;
501
502 mlx5_query_nic_vport_context(mdev, 0, out);
503
504 *qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out,
505 nic_vport_context.qkey_violation_counter);
506
507 kvfree(out);
508
509 return 0;
510 }
511 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_qkey_viol_cntr);
512
mlx5_query_hca_vport_gid(struct mlx5_core_dev * dev,u8 other_vport,u8 port_num,u16 vf_num,u16 gid_index,union ib_gid * gid)513 int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
514 u8 port_num, u16 vf_num, u16 gid_index,
515 union ib_gid *gid)
516 {
517 int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
518 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
519 int is_group_manager;
520 void *out = NULL;
521 void *in = NULL;
522 union ib_gid *tmp;
523 int tbsz;
524 int nout;
525 int err;
526
527 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
528 tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
529 mlx5_core_dbg(dev, "vf_num %d, index %d, gid_table_size %d\n",
530 vf_num, gid_index, tbsz);
531
532 if (gid_index > tbsz && gid_index != 0xffff)
533 return -EINVAL;
534
535 if (gid_index == 0xffff)
536 nout = tbsz;
537 else
538 nout = 1;
539
540 out_sz += nout * sizeof(*gid);
541
542 in = kzalloc(in_sz, GFP_KERNEL);
543 out = kzalloc(out_sz, GFP_KERNEL);
544 if (!in || !out) {
545 err = -ENOMEM;
546 goto out;
547 }
548
549 MLX5_SET(query_hca_vport_gid_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
550 if (other_vport) {
551 if (is_group_manager) {
552 MLX5_SET(query_hca_vport_gid_in, in, vport_number, vf_num);
553 MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
554 } else {
555 err = -EPERM;
556 goto out;
557 }
558 }
559 MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);
560
561 if (MLX5_CAP_GEN(dev, num_ports) == 2)
562 MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);
563
564 err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
565 if (err)
566 goto out;
567
568 tmp = out + MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
569 gid->global.subnet_prefix = tmp->global.subnet_prefix;
570 gid->global.interface_id = tmp->global.interface_id;
571
572 out:
573 kfree(in);
574 kfree(out);
575 return err;
576 }
577 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_gid);
578
mlx5_query_hca_vport_pkey(struct mlx5_core_dev * dev,u8 other_vport,u8 port_num,u16 vf_num,u16 pkey_index,u16 * pkey)579 int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
580 u8 port_num, u16 vf_num, u16 pkey_index,
581 u16 *pkey)
582 {
583 int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_in);
584 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_out);
585 int is_group_manager;
586 void *out = NULL;
587 void *in = NULL;
588 void *pkarr;
589 int nout;
590 int tbsz;
591 int err;
592 int i;
593
594 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
595
596 tbsz = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size));
597 if (pkey_index > tbsz && pkey_index != 0xffff)
598 return -EINVAL;
599
600 if (pkey_index == 0xffff)
601 nout = tbsz;
602 else
603 nout = 1;
604
605 out_sz += nout * MLX5_ST_SZ_BYTES(pkey);
606
607 in = kzalloc(in_sz, GFP_KERNEL);
608 out = kzalloc(out_sz, GFP_KERNEL);
609 if (!in || !out) {
610 err = -ENOMEM;
611 goto out;
612 }
613
614 MLX5_SET(query_hca_vport_pkey_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY);
615 if (other_vport) {
616 if (is_group_manager) {
617 MLX5_SET(query_hca_vport_pkey_in, in, vport_number, vf_num);
618 MLX5_SET(query_hca_vport_pkey_in, in, other_vport, 1);
619 } else {
620 err = -EPERM;
621 goto out;
622 }
623 }
624 MLX5_SET(query_hca_vport_pkey_in, in, pkey_index, pkey_index);
625
626 if (MLX5_CAP_GEN(dev, num_ports) == 2)
627 MLX5_SET(query_hca_vport_pkey_in, in, port_num, port_num);
628
629 err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
630 if (err)
631 goto out;
632
633 pkarr = MLX5_ADDR_OF(query_hca_vport_pkey_out, out, pkey);
634 for (i = 0; i < nout; i++, pkey++, pkarr += MLX5_ST_SZ_BYTES(pkey))
635 *pkey = MLX5_GET_PR(pkey, pkarr, pkey);
636
637 out:
638 kfree(in);
639 kfree(out);
640 return err;
641 }
642 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_pkey);
643
mlx5_query_hca_vport_context(struct mlx5_core_dev * dev,u8 other_vport,u8 port_num,u16 vf_num,struct mlx5_hca_vport_context * rep)644 int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
645 u8 other_vport, u8 port_num,
646 u16 vf_num,
647 struct mlx5_hca_vport_context *rep)
648 {
649 int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
650 int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)] = {};
651 int is_group_manager;
652 void *out;
653 void *ctx;
654 int err;
655
656 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
657
658 out = kzalloc(out_sz, GFP_KERNEL);
659 if (!out)
660 return -ENOMEM;
661
662 MLX5_SET(query_hca_vport_context_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT);
663
664 if (other_vport) {
665 if (is_group_manager) {
666 MLX5_SET(query_hca_vport_context_in, in, other_vport, 1);
667 MLX5_SET(query_hca_vport_context_in, in, vport_number, vf_num);
668 } else {
669 err = -EPERM;
670 goto ex;
671 }
672 }
673
674 if (MLX5_CAP_GEN(dev, num_ports) == 2)
675 MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);
676
677 err = mlx5_cmd_exec_inout(dev, query_hca_vport_context, in, out);
678 if (err)
679 goto ex;
680
681 ctx = MLX5_ADDR_OF(query_hca_vport_context_out, out, hca_vport_context);
682 rep->field_select = MLX5_GET_PR(hca_vport_context, ctx, field_select);
683 rep->sm_virt_aware = MLX5_GET_PR(hca_vport_context, ctx, sm_virt_aware);
684 rep->has_smi = MLX5_GET_PR(hca_vport_context, ctx, has_smi);
685 rep->has_raw = MLX5_GET_PR(hca_vport_context, ctx, has_raw);
686 rep->policy = MLX5_GET_PR(hca_vport_context, ctx, vport_state_policy);
687 rep->phys_state = MLX5_GET_PR(hca_vport_context, ctx,
688 port_physical_state);
689 rep->vport_state = MLX5_GET_PR(hca_vport_context, ctx, vport_state);
690 rep->port_physical_state = MLX5_GET_PR(hca_vport_context, ctx,
691 port_physical_state);
692 rep->port_guid = MLX5_GET64_PR(hca_vport_context, ctx, port_guid);
693 rep->node_guid = MLX5_GET64_PR(hca_vport_context, ctx, node_guid);
694 rep->cap_mask1 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask1);
695 rep->cap_mask1_perm = MLX5_GET_PR(hca_vport_context, ctx,
696 cap_mask1_field_select);
697 rep->cap_mask2 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask2);
698 rep->cap_mask2_perm = MLX5_GET_PR(hca_vport_context, ctx,
699 cap_mask2_field_select);
700 rep->lid = MLX5_GET_PR(hca_vport_context, ctx, lid);
701 rep->init_type_reply = MLX5_GET_PR(hca_vport_context, ctx,
702 init_type_reply);
703 rep->lmc = MLX5_GET_PR(hca_vport_context, ctx, lmc);
704 rep->subnet_timeout = MLX5_GET_PR(hca_vport_context, ctx,
705 subnet_timeout);
706 rep->sm_lid = MLX5_GET_PR(hca_vport_context, ctx, sm_lid);
707 rep->sm_sl = MLX5_GET_PR(hca_vport_context, ctx, sm_sl);
708 rep->qkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
709 qkey_violation_counter);
710 rep->pkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
711 pkey_violation_counter);
712 rep->grh_required = MLX5_GET_PR(hca_vport_context, ctx, grh_required);
713 rep->sys_image_guid = MLX5_GET64_PR(hca_vport_context, ctx,
714 system_image_guid);
715
716 ex:
717 kfree(out);
718 return err;
719 }
720 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_context);
721
mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev * dev,u64 * sys_image_guid)722 int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
723 u64 *sys_image_guid)
724 {
725 struct mlx5_hca_vport_context *rep;
726 int err;
727
728 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
729 if (!rep)
730 return -ENOMEM;
731
732 err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
733 if (!err)
734 *sys_image_guid = rep->sys_image_guid;
735
736 kfree(rep);
737 return err;
738 }
739 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_system_image_guid);
740
mlx5_query_hca_vport_node_guid(struct mlx5_core_dev * dev,u64 * node_guid)741 int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
742 u64 *node_guid)
743 {
744 struct mlx5_hca_vport_context *rep;
745 int err;
746
747 rep = kzalloc(sizeof(*rep), GFP_KERNEL);
748 if (!rep)
749 return -ENOMEM;
750
751 err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
752 if (!err)
753 *node_guid = rep->node_guid;
754
755 kfree(rep);
756 return err;
757 }
758 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_node_guid);
759
mlx5_query_nic_vport_promisc(struct mlx5_core_dev * mdev,u16 vport,int * promisc_uc,int * promisc_mc,int * promisc_all)760 int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev,
761 u16 vport,
762 int *promisc_uc,
763 int *promisc_mc,
764 int *promisc_all)
765 {
766 u32 *out;
767 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
768 int err;
769
770 out = kzalloc(outlen, GFP_KERNEL);
771 if (!out)
772 return -ENOMEM;
773
774 err = mlx5_query_nic_vport_context(mdev, vport, out);
775 if (err)
776 goto out;
777
778 *promisc_uc = MLX5_GET(query_nic_vport_context_out, out,
779 nic_vport_context.promisc_uc);
780 *promisc_mc = MLX5_GET(query_nic_vport_context_out, out,
781 nic_vport_context.promisc_mc);
782 *promisc_all = MLX5_GET(query_nic_vport_context_out, out,
783 nic_vport_context.promisc_all);
784
785 out:
786 kfree(out);
787 return err;
788 }
789 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_promisc);
790
mlx5_modify_nic_vport_promisc(struct mlx5_core_dev * mdev,int promisc_uc,int promisc_mc,int promisc_all)791 int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev,
792 int promisc_uc,
793 int promisc_mc,
794 int promisc_all)
795 {
796 void *in;
797 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
798 int err;
799
800 in = kvzalloc(inlen, GFP_KERNEL);
801 if (!in)
802 return -ENOMEM;
803
804 MLX5_SET(modify_nic_vport_context_in, in, field_select.promisc, 1);
805 MLX5_SET(modify_nic_vport_context_in, in,
806 nic_vport_context.promisc_uc, promisc_uc);
807 MLX5_SET(modify_nic_vport_context_in, in,
808 nic_vport_context.promisc_mc, promisc_mc);
809 MLX5_SET(modify_nic_vport_context_in, in,
810 nic_vport_context.promisc_all, promisc_all);
811 MLX5_SET(modify_nic_vport_context_in, in, opcode,
812 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
813
814 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
815
816 kvfree(in);
817
818 return err;
819 }
820 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc);
821
822 enum {
823 UC_LOCAL_LB,
824 MC_LOCAL_LB
825 };
826
mlx5_nic_vport_update_local_lb(struct mlx5_core_dev * mdev,bool enable)827 int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable)
828 {
829 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
830 void *in;
831 int err;
832
833 if (!MLX5_CAP_GEN(mdev, disable_local_lb_mc) &&
834 !MLX5_CAP_GEN(mdev, disable_local_lb_uc))
835 return 0;
836
837 in = kvzalloc(inlen, GFP_KERNEL);
838 if (!in)
839 return -ENOMEM;
840
841 MLX5_SET(modify_nic_vport_context_in, in,
842 nic_vport_context.disable_mc_local_lb, !enable);
843 MLX5_SET(modify_nic_vport_context_in, in,
844 nic_vport_context.disable_uc_local_lb, !enable);
845
846 if (MLX5_CAP_GEN(mdev, disable_local_lb_mc))
847 MLX5_SET(modify_nic_vport_context_in, in,
848 field_select.disable_mc_local_lb, 1);
849
850 if (MLX5_CAP_GEN(mdev, disable_local_lb_uc))
851 MLX5_SET(modify_nic_vport_context_in, in,
852 field_select.disable_uc_local_lb, 1);
853 MLX5_SET(modify_nic_vport_context_in, in, opcode,
854 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
855
856 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
857
858 if (!err)
859 mlx5_core_dbg(mdev, "%s local_lb\n",
860 enable ? "enable" : "disable");
861
862 kvfree(in);
863 return err;
864 }
865 EXPORT_SYMBOL_GPL(mlx5_nic_vport_update_local_lb);
866
mlx5_nic_vport_query_local_lb(struct mlx5_core_dev * mdev,bool * status)867 int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status)
868 {
869 int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
870 u32 *out;
871 int value;
872 int err;
873
874 out = kzalloc(outlen, GFP_KERNEL);
875 if (!out)
876 return -ENOMEM;
877
878 err = mlx5_query_nic_vport_context(mdev, 0, out);
879 if (err)
880 goto out;
881
882 value = MLX5_GET(query_nic_vport_context_out, out,
883 nic_vport_context.disable_mc_local_lb) << MC_LOCAL_LB;
884
885 value |= MLX5_GET(query_nic_vport_context_out, out,
886 nic_vport_context.disable_uc_local_lb) << UC_LOCAL_LB;
887
888 *status = !value;
889
890 out:
891 kfree(out);
892 return err;
893 }
894 EXPORT_SYMBOL_GPL(mlx5_nic_vport_query_local_lb);
895
896 enum mlx5_vport_roce_state {
897 MLX5_VPORT_ROCE_DISABLED = 0,
898 MLX5_VPORT_ROCE_ENABLED = 1,
899 };
900
mlx5_nic_vport_update_roce_state(struct mlx5_core_dev * mdev,enum mlx5_vport_roce_state state)901 static int mlx5_nic_vport_update_roce_state(struct mlx5_core_dev *mdev,
902 enum mlx5_vport_roce_state state)
903 {
904 void *in;
905 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
906 int err;
907
908 in = kvzalloc(inlen, GFP_KERNEL);
909 if (!in)
910 return -ENOMEM;
911
912 MLX5_SET(modify_nic_vport_context_in, in, field_select.roce_en, 1);
913 MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.roce_en,
914 state);
915 MLX5_SET(modify_nic_vport_context_in, in, opcode,
916 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
917
918 err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
919
920 kvfree(in);
921
922 return err;
923 }
924
mlx5_nic_vport_enable_roce(struct mlx5_core_dev * mdev)925 int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev)
926 {
927 int err = 0;
928
929 mutex_lock(&mlx5_roce_en_lock);
930 if (!mdev->roce.roce_en)
931 err = mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_ENABLED);
932
933 if (!err)
934 mdev->roce.roce_en++;
935 mutex_unlock(&mlx5_roce_en_lock);
936
937 return err;
938 }
939 EXPORT_SYMBOL_GPL(mlx5_nic_vport_enable_roce);
940
mlx5_nic_vport_disable_roce(struct mlx5_core_dev * mdev)941 int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
942 {
943 int err = 0;
944
945 mutex_lock(&mlx5_roce_en_lock);
946 if (mdev->roce.roce_en) {
947 mdev->roce.roce_en--;
948 if (mdev->roce.roce_en == 0)
949 err = mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_DISABLED);
950
951 if (err)
952 mdev->roce.roce_en++;
953 }
954 mutex_unlock(&mlx5_roce_en_lock);
955 return err;
956 }
957 EXPORT_SYMBOL(mlx5_nic_vport_disable_roce);
958
mlx5_core_query_vport_counter(struct mlx5_core_dev * dev,u8 other_vport,int vf,u8 port_num,void * out)959 int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
960 int vf, u8 port_num, void *out)
961 {
962 int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
963 int is_group_manager;
964 void *in;
965 int err;
966
967 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
968 in = kvzalloc(in_sz, GFP_KERNEL);
969 if (!in) {
970 err = -ENOMEM;
971 return err;
972 }
973
974 MLX5_SET(query_vport_counter_in, in, opcode,
975 MLX5_CMD_OP_QUERY_VPORT_COUNTER);
976 if (other_vport) {
977 if (is_group_manager) {
978 MLX5_SET(query_vport_counter_in, in, other_vport, 1);
979 MLX5_SET(query_vport_counter_in, in, vport_number, vf + 1);
980 } else {
981 err = -EPERM;
982 goto free;
983 }
984 }
985 if (MLX5_CAP_GEN(dev, num_ports) == 2)
986 MLX5_SET(query_vport_counter_in, in, port_num, port_num);
987
988 err = mlx5_cmd_exec_inout(dev, query_vport_counter, in, out);
989 free:
990 kvfree(in);
991 return err;
992 }
993 EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);
994
mlx5_query_vport_down_stats(struct mlx5_core_dev * mdev,u16 vport,u8 other_vport,u64 * rx_discard_vport_down,u64 * tx_discard_vport_down)995 int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
996 u8 other_vport, u64 *rx_discard_vport_down,
997 u64 *tx_discard_vport_down)
998 {
999 u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {};
1000 u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
1001 int err;
1002
1003 MLX5_SET(query_vnic_env_in, in, opcode,
1004 MLX5_CMD_OP_QUERY_VNIC_ENV);
1005 MLX5_SET(query_vnic_env_in, in, op_mod, 0);
1006 MLX5_SET(query_vnic_env_in, in, vport_number, vport);
1007 MLX5_SET(query_vnic_env_in, in, other_vport, other_vport);
1008
1009 err = mlx5_cmd_exec_inout(mdev, query_vnic_env, in, out);
1010 if (err)
1011 return err;
1012
1013 *rx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1014 vport_env.receive_discard_vport_down);
1015 *tx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1016 vport_env.transmit_discard_vport_down);
1017 return 0;
1018 }
1019
mlx5_core_modify_hca_vport_context(struct mlx5_core_dev * dev,u8 other_vport,u8 port_num,int vf,struct mlx5_hca_vport_context * req)1020 int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
1021 u8 other_vport, u8 port_num,
1022 int vf,
1023 struct mlx5_hca_vport_context *req)
1024 {
1025 int in_sz = MLX5_ST_SZ_BYTES(modify_hca_vport_context_in);
1026 int is_group_manager;
1027 void *ctx;
1028 void *in;
1029 int err;
1030
1031 mlx5_core_dbg(dev, "vf %d\n", vf);
1032 is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
1033 in = kzalloc(in_sz, GFP_KERNEL);
1034 if (!in)
1035 return -ENOMEM;
1036
1037 MLX5_SET(modify_hca_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT);
1038 if (other_vport) {
1039 if (is_group_manager) {
1040 MLX5_SET(modify_hca_vport_context_in, in, other_vport, 1);
1041 MLX5_SET(modify_hca_vport_context_in, in, vport_number, vf);
1042 } else {
1043 err = -EPERM;
1044 goto ex;
1045 }
1046 }
1047
1048 if (MLX5_CAP_GEN(dev, num_ports) > 1)
1049 MLX5_SET(modify_hca_vport_context_in, in, port_num, port_num);
1050
1051 ctx = MLX5_ADDR_OF(modify_hca_vport_context_in, in, hca_vport_context);
1052 MLX5_SET(hca_vport_context, ctx, field_select, req->field_select);
1053 if (req->field_select & MLX5_HCA_VPORT_SEL_STATE_POLICY)
1054 MLX5_SET(hca_vport_context, ctx, vport_state_policy,
1055 req->policy);
1056 if (req->field_select & MLX5_HCA_VPORT_SEL_PORT_GUID)
1057 MLX5_SET64(hca_vport_context, ctx, port_guid, req->port_guid);
1058 if (req->field_select & MLX5_HCA_VPORT_SEL_NODE_GUID)
1059 MLX5_SET64(hca_vport_context, ctx, node_guid, req->node_guid);
1060 MLX5_SET(hca_vport_context, ctx, cap_mask1, req->cap_mask1);
1061 MLX5_SET(hca_vport_context, ctx, cap_mask1_field_select,
1062 req->cap_mask1_perm);
1063 err = mlx5_cmd_exec_in(dev, modify_hca_vport_context, in);
1064 ex:
1065 kfree(in);
1066 return err;
1067 }
1068 EXPORT_SYMBOL_GPL(mlx5_core_modify_hca_vport_context);
1069
mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev * master_mdev,struct mlx5_core_dev * port_mdev)1070 int mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev *master_mdev,
1071 struct mlx5_core_dev *port_mdev)
1072 {
1073 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1074 void *in;
1075 int err;
1076
1077 in = kvzalloc(inlen, GFP_KERNEL);
1078 if (!in)
1079 return -ENOMEM;
1080
1081 err = mlx5_nic_vport_enable_roce(port_mdev);
1082 if (err)
1083 goto free;
1084
1085 MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1086 MLX5_SET(modify_nic_vport_context_in, in,
1087 nic_vport_context.affiliated_vhca_id,
1088 MLX5_CAP_GEN(master_mdev, vhca_id));
1089 MLX5_SET(modify_nic_vport_context_in, in,
1090 nic_vport_context.affiliation_criteria,
1091 MLX5_CAP_GEN(port_mdev, affiliate_nic_vport_criteria));
1092 MLX5_SET(modify_nic_vport_context_in, in, opcode,
1093 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1094
1095 err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1096 if (err)
1097 mlx5_nic_vport_disable_roce(port_mdev);
1098
1099 free:
1100 kvfree(in);
1101 return err;
1102 }
1103 EXPORT_SYMBOL_GPL(mlx5_nic_vport_affiliate_multiport);
1104
mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev * port_mdev)1105 int mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev *port_mdev)
1106 {
1107 int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1108 void *in;
1109 int err;
1110
1111 in = kvzalloc(inlen, GFP_KERNEL);
1112 if (!in)
1113 return -ENOMEM;
1114
1115 MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1116 MLX5_SET(modify_nic_vport_context_in, in,
1117 nic_vport_context.affiliated_vhca_id, 0);
1118 MLX5_SET(modify_nic_vport_context_in, in,
1119 nic_vport_context.affiliation_criteria, 0);
1120 MLX5_SET(modify_nic_vport_context_in, in, opcode,
1121 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1122
1123 err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1124 if (!err)
1125 mlx5_nic_vport_disable_roce(port_mdev);
1126
1127 kvfree(in);
1128 return err;
1129 }
1130 EXPORT_SYMBOL_GPL(mlx5_nic_vport_unaffiliate_multiport);
1131
mlx5_query_nic_system_image_guid(struct mlx5_core_dev * mdev)1132 u64 mlx5_query_nic_system_image_guid(struct mlx5_core_dev *mdev)
1133 {
1134 int port_type_cap = MLX5_CAP_GEN(mdev, port_type);
1135 u64 tmp = 0;
1136
1137 if (mdev->sys_image_guid)
1138 return mdev->sys_image_guid;
1139
1140 if (port_type_cap == MLX5_CAP_PORT_TYPE_ETH)
1141 mlx5_query_nic_vport_system_image_guid(mdev, &tmp);
1142 else
1143 mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
1144
1145 mdev->sys_image_guid = tmp;
1146
1147 return tmp;
1148 }
1149 EXPORT_SYMBOL_GPL(mlx5_query_nic_system_image_guid);
1150
1151 /**
1152 * mlx5_eswitch_get_total_vports - Get total vports of the eswitch
1153 *
1154 * @dev: Pointer to core device
1155 *
1156 * mlx5_eswitch_get_total_vports returns total number of vports for
1157 * the eswitch.
1158 */
mlx5_eswitch_get_total_vports(const struct mlx5_core_dev * dev)1159 u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev)
1160 {
1161 return MLX5_SPECIAL_VPORTS(dev) + mlx5_core_max_vfs(dev);
1162 }
1163 EXPORT_SYMBOL_GPL(mlx5_eswitch_get_total_vports);
1164