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 */
42 static DEFINE_MUTEX(mlx5_roce_en_lock);
43 
mlx5_query_vport_state(struct mlx5_core_dev * mdev,u8 opmod,u16 vport)44 u8 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 
mlx5_modify_vport_admin_state(struct mlx5_core_dev * mdev,u8 opmod,u16 vport,u8 other_vport,u8 state)64 int 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 
mlx5_query_nic_vport_context(struct mlx5_core_dev * mdev,u16 vport,u32 * out)79 static 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 
mlx5_query_nic_vport_min_inline(struct mlx5_core_dev * mdev,u16 vport,u8 * min_inline)93 int 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 }
105 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_min_inline);
106 
mlx5_query_min_inline(struct mlx5_core_dev * mdev,u8 * min_inline_mode)107 void 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 }
123 EXPORT_SYMBOL_GPL(mlx5_query_min_inline);
124 
mlx5_modify_nic_vport_min_inline(struct mlx5_core_dev * mdev,u16 vport,u8 min_inline)125 int 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 
mlx5_query_nic_vport_mac_address(struct mlx5_core_dev * mdev,u16 vport,bool other,u8 * addr)146 int 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(addr, &out_addr[2]);
165 
166 	return err;
167 }
168 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_address);
169 
mlx5_query_mac_address(struct mlx5_core_dev * mdev,u8 * addr)170 int 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 }
174 EXPORT_SYMBOL_GPL(mlx5_query_mac_address);
175 
mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev * mdev,u16 vport,const u8 * addr)176 int 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(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(&perm_mac[2], 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(in);
206 
207 	return err;
208 }
209 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_address);
210 
mlx5_query_nic_vport_mtu(struct mlx5_core_dev * mdev,u16 * mtu)211 int 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(outlen, GFP_KERNEL);
218 	if (!out)
219 		return -ENOMEM;
220 
221 	err = mlx5_query_nic_vport_context(mdev, 0, out);
222 	if (!err)
223 		*mtu = MLX5_GET(query_nic_vport_context_out, out,
224 				nic_vport_context.mtu);
225 
226 	kvfree(out);
227 	return err;
228 }
229 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mtu);
230 
mlx5_modify_nic_vport_mtu(struct mlx5_core_dev * mdev,u16 mtu)231 int 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(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(in);
249 	return err;
250 }
251 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mtu);
252 
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)253 int 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_in) +
281 			req_list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
282 
283 	out = kvzalloc(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 	MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
292 
293 	err = mlx5_cmd_exec(dev, in, sizeof(in), out, out_sz);
294 	if (err)
295 		goto out;
296 
297 	nic_vport_ctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
298 				     nic_vport_context);
299 	req_list_size = MLX5_GET(nic_vport_context, nic_vport_ctx,
300 				 allowed_list_size);
301 
302 	*list_size = req_list_size;
303 	for (i = 0; i < req_list_size; i++) {
304 		u8 *mac_addr = MLX5_ADDR_OF(nic_vport_context,
305 					nic_vport_ctx,
306 					current_uc_mac_address[i]) + 2;
307 		ether_addr_copy(addr_list[i], mac_addr);
308 	}
309 out:
310 	kvfree(out);
311 	return err;
312 }
313 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_list);
314 
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)315 int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
316 				   enum mlx5_list_type list_type,
317 				   u8 addr_list[][ETH_ALEN],
318 				   int list_size)
319 {
320 	u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)] = {};
321 	void *nic_vport_ctx;
322 	int max_list_size;
323 	int in_sz;
324 	void *in;
325 	int err;
326 	int i;
327 
328 	max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
329 		 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
330 		 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
331 
332 	if (list_size > max_list_size)
333 		return -ENOSPC;
334 
335 	in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
336 		list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
337 
338 	in = kvzalloc(in_sz, GFP_KERNEL);
339 	if (!in)
340 		return -ENOMEM;
341 
342 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
343 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
344 	MLX5_SET(modify_nic_vport_context_in, in,
345 		 field_select.addresses_list, 1);
346 
347 	nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
348 				     nic_vport_context);
349 
350 	MLX5_SET(nic_vport_context, nic_vport_ctx,
351 		 allowed_list_type, list_type);
352 	MLX5_SET(nic_vport_context, nic_vport_ctx,
353 		 allowed_list_size, list_size);
354 
355 	for (i = 0; i < list_size; i++) {
356 		u8 *curr_mac = MLX5_ADDR_OF(nic_vport_context,
357 					    nic_vport_ctx,
358 					    current_uc_mac_address[i]) + 2;
359 		ether_addr_copy(curr_mac, addr_list[i]);
360 	}
361 
362 	err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
363 	kvfree(in);
364 	return err;
365 }
366 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_list);
367 
mlx5_modify_nic_vport_vlans(struct mlx5_core_dev * dev,u16 vlans[],int list_size)368 int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
369 				u16 vlans[],
370 				int list_size)
371 {
372 	u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
373 	void *nic_vport_ctx;
374 	int max_list_size;
375 	int in_sz;
376 	void *in;
377 	int err;
378 	int i;
379 
380 	max_list_size = 1 << MLX5_CAP_GEN(dev, log_max_vlan_list);
381 
382 	if (list_size > max_list_size)
383 		return -ENOSPC;
384 
385 	in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
386 		list_size * MLX5_ST_SZ_BYTES(vlan_layout);
387 
388 	memset(out, 0, sizeof(out));
389 	in = kvzalloc(in_sz, GFP_KERNEL);
390 	if (!in)
391 		return -ENOMEM;
392 
393 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
394 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
395 	MLX5_SET(modify_nic_vport_context_in, in,
396 		 field_select.addresses_list, 1);
397 
398 	nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
399 				     nic_vport_context);
400 
401 	MLX5_SET(nic_vport_context, nic_vport_ctx,
402 		 allowed_list_type, MLX5_NVPRT_LIST_TYPE_VLAN);
403 	MLX5_SET(nic_vport_context, nic_vport_ctx,
404 		 allowed_list_size, list_size);
405 
406 	for (i = 0; i < list_size; i++) {
407 		void *vlan_addr = MLX5_ADDR_OF(nic_vport_context,
408 					       nic_vport_ctx,
409 					       current_uc_mac_address[i]);
410 		MLX5_SET(vlan_layout, vlan_addr, vlan, vlans[i]);
411 	}
412 
413 	err = mlx5_cmd_exec(dev, in, in_sz, out, sizeof(out));
414 	kvfree(in);
415 	return err;
416 }
417 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_vlans);
418 
mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev * mdev,u64 * system_image_guid)419 int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
420 					   u64 *system_image_guid)
421 {
422 	u32 *out;
423 	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
424 	int err;
425 
426 	out = kvzalloc(outlen, GFP_KERNEL);
427 	if (!out)
428 		return -ENOMEM;
429 
430 	err = mlx5_query_nic_vport_context(mdev, 0, out);
431 	if (err)
432 		goto out;
433 
434 	*system_image_guid = MLX5_GET64(query_nic_vport_context_out, out,
435 					nic_vport_context.system_image_guid);
436 out:
437 	kvfree(out);
438 	return err;
439 }
440 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_system_image_guid);
441 
mlx5_query_nic_vport_node_guid(struct mlx5_core_dev * mdev,u64 * node_guid)442 int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid)
443 {
444 	u32 *out;
445 	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
446 
447 	out = kvzalloc(outlen, GFP_KERNEL);
448 	if (!out)
449 		return -ENOMEM;
450 
451 	mlx5_query_nic_vport_context(mdev, 0, out);
452 
453 	*node_guid = MLX5_GET64(query_nic_vport_context_out, out,
454 				nic_vport_context.node_guid);
455 
456 	kvfree(out);
457 
458 	return 0;
459 }
460 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_node_guid);
461 
mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev * mdev,u16 vport,u64 node_guid)462 int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev,
463 				    u16 vport, u64 node_guid)
464 {
465 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
466 	void *nic_vport_context;
467 	void *in;
468 	int err;
469 
470 	if (!MLX5_CAP_GEN(mdev, vport_group_manager))
471 		return -EACCES;
472 
473 	in = kvzalloc(inlen, GFP_KERNEL);
474 	if (!in)
475 		return -ENOMEM;
476 
477 	MLX5_SET(modify_nic_vport_context_in, in,
478 		 field_select.node_guid, 1);
479 	MLX5_SET(modify_nic_vport_context_in, in, vport_number, vport);
480 	MLX5_SET(modify_nic_vport_context_in, in, other_vport, 1);
481 
482 	nic_vport_context = MLX5_ADDR_OF(modify_nic_vport_context_in,
483 					 in, nic_vport_context);
484 	MLX5_SET64(nic_vport_context, nic_vport_context, node_guid, node_guid);
485 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
486 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
487 
488 	err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
489 
490 	kvfree(in);
491 
492 	return err;
493 }
494 
mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev * mdev,u16 * qkey_viol_cntr)495 int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
496 					u16 *qkey_viol_cntr)
497 {
498 	u32 *out;
499 	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
500 
501 	out = kvzalloc(outlen, GFP_KERNEL);
502 	if (!out)
503 		return -ENOMEM;
504 
505 	mlx5_query_nic_vport_context(mdev, 0, out);
506 
507 	*qkey_viol_cntr = MLX5_GET(query_nic_vport_context_out, out,
508 				   nic_vport_context.qkey_violation_counter);
509 
510 	kvfree(out);
511 
512 	return 0;
513 }
514 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_qkey_viol_cntr);
515 
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)516 int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
517 			     u8 port_num, u16  vf_num, u16 gid_index,
518 			     union ib_gid *gid)
519 {
520 	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_in);
521 	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
522 	int is_group_manager;
523 	void *out = NULL;
524 	void *in = NULL;
525 	union ib_gid *tmp;
526 	int tbsz;
527 	int nout;
528 	int err;
529 
530 	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
531 	tbsz = mlx5_get_gid_table_len(MLX5_CAP_GEN(dev, gid_table_size));
532 	mlx5_core_dbg(dev, "vf_num %d, index %d, gid_table_size %d\n",
533 		      vf_num, gid_index, tbsz);
534 
535 	if (gid_index > tbsz && gid_index != 0xffff)
536 		return -EINVAL;
537 
538 	if (gid_index == 0xffff)
539 		nout = tbsz;
540 	else
541 		nout = 1;
542 
543 	out_sz += nout * sizeof(*gid);
544 
545 	in = kvzalloc(in_sz, GFP_KERNEL);
546 	out = kvzalloc(out_sz, GFP_KERNEL);
547 	if (!in || !out) {
548 		err = -ENOMEM;
549 		goto out;
550 	}
551 
552 	MLX5_SET(query_hca_vport_gid_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_GID);
553 	if (other_vport) {
554 		if (is_group_manager) {
555 			MLX5_SET(query_hca_vport_gid_in, in, vport_number, vf_num);
556 			MLX5_SET(query_hca_vport_gid_in, in, other_vport, 1);
557 		} else {
558 			err = -EPERM;
559 			goto out;
560 		}
561 	}
562 	MLX5_SET(query_hca_vport_gid_in, in, gid_index, gid_index);
563 
564 	if (MLX5_CAP_GEN(dev, num_ports) == 2)
565 		MLX5_SET(query_hca_vport_gid_in, in, port_num, port_num);
566 
567 	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
568 	if (err)
569 		goto out;
570 
571 	tmp = out + MLX5_ST_SZ_BYTES(query_hca_vport_gid_out);
572 	gid->global.subnet_prefix = tmp->global.subnet_prefix;
573 	gid->global.interface_id = tmp->global.interface_id;
574 
575 out:
576 	kvfree(in);
577 	kvfree(out);
578 	return err;
579 }
580 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_gid);
581 
mlx5_query_hca_vport_pkey(struct mlx5_core_dev * dev,u8 other_vport,u8 port_num,u16 vf_num,u16 pkey_index,u16 * pkey)582 int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
583 			      u8 port_num, u16 vf_num, u16 pkey_index,
584 			      u16 *pkey)
585 {
586 	int in_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_in);
587 	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_pkey_out);
588 	int is_group_manager;
589 	void *out = NULL;
590 	void *in = NULL;
591 	void *pkarr;
592 	int nout;
593 	int tbsz;
594 	int err;
595 	int i;
596 
597 	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
598 
599 	tbsz = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(dev, pkey_table_size));
600 	if (pkey_index > tbsz && pkey_index != 0xffff)
601 		return -EINVAL;
602 
603 	if (pkey_index == 0xffff)
604 		nout = tbsz;
605 	else
606 		nout = 1;
607 
608 	out_sz += nout * MLX5_ST_SZ_BYTES(pkey);
609 
610 	in = kvzalloc(in_sz, GFP_KERNEL);
611 	out = kvzalloc(out_sz, GFP_KERNEL);
612 	if (!in || !out) {
613 		err = -ENOMEM;
614 		goto out;
615 	}
616 
617 	MLX5_SET(query_hca_vport_pkey_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_PKEY);
618 	if (other_vport) {
619 		if (is_group_manager) {
620 			MLX5_SET(query_hca_vport_pkey_in, in, vport_number, vf_num);
621 			MLX5_SET(query_hca_vport_pkey_in, in, other_vport, 1);
622 		} else {
623 			err = -EPERM;
624 			goto out;
625 		}
626 	}
627 	MLX5_SET(query_hca_vport_pkey_in, in, pkey_index, pkey_index);
628 
629 	if (MLX5_CAP_GEN(dev, num_ports) == 2)
630 		MLX5_SET(query_hca_vport_pkey_in, in, port_num, port_num);
631 
632 	err = mlx5_cmd_exec(dev, in, in_sz, out, out_sz);
633 	if (err)
634 		goto out;
635 
636 	pkarr = MLX5_ADDR_OF(query_hca_vport_pkey_out, out, pkey);
637 	for (i = 0; i < nout; i++, pkey++, pkarr += MLX5_ST_SZ_BYTES(pkey))
638 		*pkey = MLX5_GET_PR(pkey, pkarr, pkey);
639 
640 out:
641 	kvfree(in);
642 	kvfree(out);
643 	return err;
644 }
645 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_pkey);
646 
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)647 int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
648 				 u8 other_vport, u8 port_num,
649 				 u16 vf_num,
650 				 struct mlx5_hca_vport_context *rep)
651 {
652 	int out_sz = MLX5_ST_SZ_BYTES(query_hca_vport_context_out);
653 	int in[MLX5_ST_SZ_DW(query_hca_vport_context_in)] = {};
654 	int is_group_manager;
655 	void *out;
656 	void *ctx;
657 	int err;
658 
659 	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
660 
661 	out = kvzalloc(out_sz, GFP_KERNEL);
662 	if (!out)
663 		return -ENOMEM;
664 
665 	MLX5_SET(query_hca_vport_context_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT);
666 
667 	if (other_vport) {
668 		if (is_group_manager) {
669 			MLX5_SET(query_hca_vport_context_in, in, other_vport, 1);
670 			MLX5_SET(query_hca_vport_context_in, in, vport_number, vf_num);
671 		} else {
672 			err = -EPERM;
673 			goto ex;
674 		}
675 	}
676 
677 	if (MLX5_CAP_GEN(dev, num_ports) == 2)
678 		MLX5_SET(query_hca_vport_context_in, in, port_num, port_num);
679 
680 	err = mlx5_cmd_exec_inout(dev, query_hca_vport_context, in, out);
681 	if (err)
682 		goto ex;
683 
684 	ctx = MLX5_ADDR_OF(query_hca_vport_context_out, out, hca_vport_context);
685 	rep->field_select = MLX5_GET_PR(hca_vport_context, ctx, field_select);
686 	rep->sm_virt_aware = MLX5_GET_PR(hca_vport_context, ctx, sm_virt_aware);
687 	rep->has_smi = MLX5_GET_PR(hca_vport_context, ctx, has_smi);
688 	rep->has_raw = MLX5_GET_PR(hca_vport_context, ctx, has_raw);
689 	rep->policy = MLX5_GET_PR(hca_vport_context, ctx, vport_state_policy);
690 	rep->phys_state = MLX5_GET_PR(hca_vport_context, ctx,
691 				      port_physical_state);
692 	rep->vport_state = MLX5_GET_PR(hca_vport_context, ctx, vport_state);
693 	rep->port_physical_state = MLX5_GET_PR(hca_vport_context, ctx,
694 					       port_physical_state);
695 	rep->port_guid = MLX5_GET64_PR(hca_vport_context, ctx, port_guid);
696 	rep->node_guid = MLX5_GET64_PR(hca_vport_context, ctx, node_guid);
697 	rep->cap_mask1 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask1);
698 	rep->cap_mask1_perm = MLX5_GET_PR(hca_vport_context, ctx,
699 					  cap_mask1_field_select);
700 	rep->cap_mask2 = MLX5_GET_PR(hca_vport_context, ctx, cap_mask2);
701 	rep->cap_mask2_perm = MLX5_GET_PR(hca_vport_context, ctx,
702 					  cap_mask2_field_select);
703 	rep->lid = MLX5_GET_PR(hca_vport_context, ctx, lid);
704 	rep->init_type_reply = MLX5_GET_PR(hca_vport_context, ctx,
705 					   init_type_reply);
706 	rep->lmc = MLX5_GET_PR(hca_vport_context, ctx, lmc);
707 	rep->subnet_timeout = MLX5_GET_PR(hca_vport_context, ctx,
708 					  subnet_timeout);
709 	rep->sm_lid = MLX5_GET_PR(hca_vport_context, ctx, sm_lid);
710 	rep->sm_sl = MLX5_GET_PR(hca_vport_context, ctx, sm_sl);
711 	rep->qkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
712 						  qkey_violation_counter);
713 	rep->pkey_violation_counter = MLX5_GET_PR(hca_vport_context, ctx,
714 						  pkey_violation_counter);
715 	rep->grh_required = MLX5_GET_PR(hca_vport_context, ctx, grh_required);
716 	rep->sys_image_guid = MLX5_GET64_PR(hca_vport_context, ctx,
717 					    system_image_guid);
718 
719 ex:
720 	kvfree(out);
721 	return err;
722 }
723 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_context);
724 
mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev * dev,u64 * sys_image_guid)725 int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
726 					   u64 *sys_image_guid)
727 {
728 	struct mlx5_hca_vport_context *rep;
729 	int err;
730 
731 	rep = kvzalloc(sizeof(*rep), GFP_KERNEL);
732 	if (!rep)
733 		return -ENOMEM;
734 
735 	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
736 	if (!err)
737 		*sys_image_guid = rep->sys_image_guid;
738 
739 	kvfree(rep);
740 	return err;
741 }
742 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_system_image_guid);
743 
mlx5_query_hca_vport_node_guid(struct mlx5_core_dev * dev,u64 * node_guid)744 int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
745 				   u64 *node_guid)
746 {
747 	struct mlx5_hca_vport_context *rep;
748 	int err;
749 
750 	rep = kvzalloc(sizeof(*rep), GFP_KERNEL);
751 	if (!rep)
752 		return -ENOMEM;
753 
754 	err = mlx5_query_hca_vport_context(dev, 0, 1, 0, rep);
755 	if (!err)
756 		*node_guid = rep->node_guid;
757 
758 	kvfree(rep);
759 	return err;
760 }
761 EXPORT_SYMBOL_GPL(mlx5_query_hca_vport_node_guid);
762 
mlx5_query_nic_vport_promisc(struct mlx5_core_dev * mdev,u16 vport,int * promisc_uc,int * promisc_mc,int * promisc_all)763 int mlx5_query_nic_vport_promisc(struct mlx5_core_dev *mdev,
764 				 u16 vport,
765 				 int *promisc_uc,
766 				 int *promisc_mc,
767 				 int *promisc_all)
768 {
769 	u32 *out;
770 	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
771 	int err;
772 
773 	out = kvzalloc(outlen, GFP_KERNEL);
774 	if (!out)
775 		return -ENOMEM;
776 
777 	err = mlx5_query_nic_vport_context(mdev, vport, out);
778 	if (err)
779 		goto out;
780 
781 	*promisc_uc = MLX5_GET(query_nic_vport_context_out, out,
782 			       nic_vport_context.promisc_uc);
783 	*promisc_mc = MLX5_GET(query_nic_vport_context_out, out,
784 			       nic_vport_context.promisc_mc);
785 	*promisc_all = MLX5_GET(query_nic_vport_context_out, out,
786 				nic_vport_context.promisc_all);
787 
788 out:
789 	kvfree(out);
790 	return err;
791 }
792 EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_promisc);
793 
mlx5_modify_nic_vport_promisc(struct mlx5_core_dev * mdev,int promisc_uc,int promisc_mc,int promisc_all)794 int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev,
795 				  int promisc_uc,
796 				  int promisc_mc,
797 				  int promisc_all)
798 {
799 	void *in;
800 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
801 	int err;
802 
803 	in = kvzalloc(inlen, GFP_KERNEL);
804 	if (!in)
805 		return -ENOMEM;
806 
807 	MLX5_SET(modify_nic_vport_context_in, in, field_select.promisc, 1);
808 	MLX5_SET(modify_nic_vport_context_in, in,
809 		 nic_vport_context.promisc_uc, promisc_uc);
810 	MLX5_SET(modify_nic_vport_context_in, in,
811 		 nic_vport_context.promisc_mc, promisc_mc);
812 	MLX5_SET(modify_nic_vport_context_in, in,
813 		 nic_vport_context.promisc_all, promisc_all);
814 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
815 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
816 
817 	err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
818 
819 	kvfree(in);
820 
821 	return err;
822 }
823 EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_promisc);
824 
825 enum {
826 	UC_LOCAL_LB,
827 	MC_LOCAL_LB
828 };
829 
mlx5_nic_vport_update_local_lb(struct mlx5_core_dev * mdev,bool enable)830 int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable)
831 {
832 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
833 	void *in;
834 	int err;
835 
836 	if (!MLX5_CAP_GEN(mdev, disable_local_lb_mc) &&
837 	    !MLX5_CAP_GEN(mdev, disable_local_lb_uc))
838 		return 0;
839 
840 	in = kvzalloc(inlen, GFP_KERNEL);
841 	if (!in)
842 		return -ENOMEM;
843 
844 	MLX5_SET(modify_nic_vport_context_in, in,
845 		 nic_vport_context.disable_mc_local_lb, !enable);
846 	MLX5_SET(modify_nic_vport_context_in, in,
847 		 nic_vport_context.disable_uc_local_lb, !enable);
848 
849 	if (MLX5_CAP_GEN(mdev, disable_local_lb_mc))
850 		MLX5_SET(modify_nic_vport_context_in, in,
851 			 field_select.disable_mc_local_lb, 1);
852 
853 	if (MLX5_CAP_GEN(mdev, disable_local_lb_uc))
854 		MLX5_SET(modify_nic_vport_context_in, in,
855 			 field_select.disable_uc_local_lb, 1);
856 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
857 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
858 
859 	err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
860 
861 	if (!err)
862 		mlx5_core_dbg(mdev, "%s local_lb\n",
863 			      enable ? "enable" : "disable");
864 
865 	kvfree(in);
866 	return err;
867 }
868 EXPORT_SYMBOL_GPL(mlx5_nic_vport_update_local_lb);
869 
mlx5_nic_vport_query_local_lb(struct mlx5_core_dev * mdev,bool * status)870 int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status)
871 {
872 	int outlen = MLX5_ST_SZ_BYTES(query_nic_vport_context_out);
873 	u32 *out;
874 	int value;
875 	int err;
876 
877 	out = kvzalloc(outlen, GFP_KERNEL);
878 	if (!out)
879 		return -ENOMEM;
880 
881 	err = mlx5_query_nic_vport_context(mdev, 0, out);
882 	if (err)
883 		goto out;
884 
885 	value = MLX5_GET(query_nic_vport_context_out, out,
886 			 nic_vport_context.disable_mc_local_lb) << MC_LOCAL_LB;
887 
888 	value |= MLX5_GET(query_nic_vport_context_out, out,
889 			  nic_vport_context.disable_uc_local_lb) << UC_LOCAL_LB;
890 
891 	*status = !value;
892 
893 out:
894 	kvfree(out);
895 	return err;
896 }
897 EXPORT_SYMBOL_GPL(mlx5_nic_vport_query_local_lb);
898 
899 enum mlx5_vport_roce_state {
900 	MLX5_VPORT_ROCE_DISABLED = 0,
901 	MLX5_VPORT_ROCE_ENABLED  = 1,
902 };
903 
mlx5_nic_vport_update_roce_state(struct mlx5_core_dev * mdev,enum mlx5_vport_roce_state state)904 static int mlx5_nic_vport_update_roce_state(struct mlx5_core_dev *mdev,
905 					    enum mlx5_vport_roce_state state)
906 {
907 	void *in;
908 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
909 	int err;
910 
911 	in = kvzalloc(inlen, GFP_KERNEL);
912 	if (!in)
913 		return -ENOMEM;
914 
915 	MLX5_SET(modify_nic_vport_context_in, in, field_select.roce_en, 1);
916 	MLX5_SET(modify_nic_vport_context_in, in, nic_vport_context.roce_en,
917 		 state);
918 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
919 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
920 
921 	err = mlx5_cmd_exec_in(mdev, modify_nic_vport_context, in);
922 
923 	kvfree(in);
924 
925 	return err;
926 }
927 
mlx5_nic_vport_enable_roce(struct mlx5_core_dev * mdev)928 int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev)
929 {
930 	int err = 0;
931 
932 	mutex_lock(&mlx5_roce_en_lock);
933 	if (!mdev->roce.roce_en)
934 		err = mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_ENABLED);
935 
936 	if (!err)
937 		mdev->roce.roce_en++;
938 	mutex_unlock(&mlx5_roce_en_lock);
939 
940 	return err;
941 }
942 EXPORT_SYMBOL_GPL(mlx5_nic_vport_enable_roce);
943 
mlx5_nic_vport_disable_roce(struct mlx5_core_dev * mdev)944 int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev)
945 {
946 	int err = 0;
947 
948 	mutex_lock(&mlx5_roce_en_lock);
949 	if (mdev->roce.roce_en) {
950 		mdev->roce.roce_en--;
951 		if (mdev->roce.roce_en == 0)
952 			err = mlx5_nic_vport_update_roce_state(mdev, MLX5_VPORT_ROCE_DISABLED);
953 
954 		if (err)
955 			mdev->roce.roce_en++;
956 	}
957 	mutex_unlock(&mlx5_roce_en_lock);
958 	return err;
959 }
960 EXPORT_SYMBOL(mlx5_nic_vport_disable_roce);
961 
mlx5_core_query_vport_counter(struct mlx5_core_dev * dev,u8 other_vport,int vf,u8 port_num,void * out)962 int mlx5_core_query_vport_counter(struct mlx5_core_dev *dev, u8 other_vport,
963 				  int vf, u8 port_num, void *out)
964 {
965 	int in_sz = MLX5_ST_SZ_BYTES(query_vport_counter_in);
966 	int is_group_manager;
967 	void *in;
968 	int err;
969 
970 	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
971 	in = kvzalloc(in_sz, GFP_KERNEL);
972 	if (!in) {
973 		err = -ENOMEM;
974 		return err;
975 	}
976 
977 	MLX5_SET(query_vport_counter_in, in, opcode,
978 		 MLX5_CMD_OP_QUERY_VPORT_COUNTER);
979 	if (other_vport) {
980 		if (is_group_manager) {
981 			MLX5_SET(query_vport_counter_in, in, other_vport, 1);
982 			MLX5_SET(query_vport_counter_in, in, vport_number, vf + 1);
983 		} else {
984 			err = -EPERM;
985 			goto free;
986 		}
987 	}
988 	if (MLX5_CAP_GEN(dev, num_ports) == 2)
989 		MLX5_SET(query_vport_counter_in, in, port_num, port_num);
990 
991 	err = mlx5_cmd_exec_inout(dev, query_vport_counter, in, out);
992 free:
993 	kvfree(in);
994 	return err;
995 }
996 EXPORT_SYMBOL_GPL(mlx5_core_query_vport_counter);
997 
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)998 int mlx5_query_vport_down_stats(struct mlx5_core_dev *mdev, u16 vport,
999 				u8 other_vport, u64 *rx_discard_vport_down,
1000 				u64 *tx_discard_vport_down)
1001 {
1002 	u32 out[MLX5_ST_SZ_DW(query_vnic_env_out)] = {};
1003 	u32 in[MLX5_ST_SZ_DW(query_vnic_env_in)] = {};
1004 	int err;
1005 
1006 	MLX5_SET(query_vnic_env_in, in, opcode,
1007 		 MLX5_CMD_OP_QUERY_VNIC_ENV);
1008 	MLX5_SET(query_vnic_env_in, in, op_mod, 0);
1009 	MLX5_SET(query_vnic_env_in, in, vport_number, vport);
1010 	MLX5_SET(query_vnic_env_in, in, other_vport, other_vport);
1011 
1012 	err = mlx5_cmd_exec_inout(mdev, query_vnic_env, in, out);
1013 	if (err)
1014 		return err;
1015 
1016 	*rx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1017 					    vport_env.receive_discard_vport_down);
1018 	*tx_discard_vport_down = MLX5_GET64(query_vnic_env_out, out,
1019 					    vport_env.transmit_discard_vport_down);
1020 	return 0;
1021 }
1022 
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)1023 int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev,
1024 				       u8 other_vport, u8 port_num,
1025 				       int vf,
1026 				       struct mlx5_hca_vport_context *req)
1027 {
1028 	int in_sz = MLX5_ST_SZ_BYTES(modify_hca_vport_context_in);
1029 	int is_group_manager;
1030 	void *ctx;
1031 	void *in;
1032 	int err;
1033 
1034 	mlx5_core_dbg(dev, "vf %d\n", vf);
1035 	is_group_manager = MLX5_CAP_GEN(dev, vport_group_manager);
1036 	in = kvzalloc(in_sz, GFP_KERNEL);
1037 	if (!in)
1038 		return -ENOMEM;
1039 
1040 	MLX5_SET(modify_hca_vport_context_in, in, opcode, MLX5_CMD_OP_MODIFY_HCA_VPORT_CONTEXT);
1041 	if (other_vport) {
1042 		if (is_group_manager) {
1043 			MLX5_SET(modify_hca_vport_context_in, in, other_vport, 1);
1044 			MLX5_SET(modify_hca_vport_context_in, in, vport_number, vf);
1045 		} else {
1046 			err = -EPERM;
1047 			goto ex;
1048 		}
1049 	}
1050 
1051 	if (MLX5_CAP_GEN(dev, num_ports) > 1)
1052 		MLX5_SET(modify_hca_vport_context_in, in, port_num, port_num);
1053 
1054 	ctx = MLX5_ADDR_OF(modify_hca_vport_context_in, in, hca_vport_context);
1055 	MLX5_SET(hca_vport_context, ctx, field_select, req->field_select);
1056 	if (req->field_select & MLX5_HCA_VPORT_SEL_STATE_POLICY)
1057 		MLX5_SET(hca_vport_context, ctx, vport_state_policy,
1058 			 req->policy);
1059 	if (req->field_select & MLX5_HCA_VPORT_SEL_PORT_GUID)
1060 		MLX5_SET64(hca_vport_context, ctx, port_guid, req->port_guid);
1061 	if (req->field_select & MLX5_HCA_VPORT_SEL_NODE_GUID)
1062 		MLX5_SET64(hca_vport_context, ctx, node_guid, req->node_guid);
1063 	MLX5_SET(hca_vport_context, ctx, cap_mask1, req->cap_mask1);
1064 	MLX5_SET(hca_vport_context, ctx, cap_mask1_field_select,
1065 		 req->cap_mask1_perm);
1066 	err = mlx5_cmd_exec_in(dev, modify_hca_vport_context, in);
1067 ex:
1068 	kvfree(in);
1069 	return err;
1070 }
1071 EXPORT_SYMBOL_GPL(mlx5_core_modify_hca_vport_context);
1072 
mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev * master_mdev,struct mlx5_core_dev * port_mdev)1073 int mlx5_nic_vport_affiliate_multiport(struct mlx5_core_dev *master_mdev,
1074 				       struct mlx5_core_dev *port_mdev)
1075 {
1076 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1077 	void *in;
1078 	int err;
1079 
1080 	in = kvzalloc(inlen, GFP_KERNEL);
1081 	if (!in)
1082 		return -ENOMEM;
1083 
1084 	err = mlx5_nic_vport_enable_roce(port_mdev);
1085 	if (err)
1086 		goto free;
1087 
1088 	MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1089 	if (MLX5_CAP_GEN_2(master_mdev, sw_vhca_id_valid)) {
1090 		MLX5_SET(modify_nic_vport_context_in, in,
1091 			 nic_vport_context.vhca_id_type, VHCA_ID_TYPE_SW);
1092 		MLX5_SET(modify_nic_vport_context_in, in,
1093 			 nic_vport_context.affiliated_vhca_id,
1094 			 MLX5_CAP_GEN_2(master_mdev, sw_vhca_id));
1095 	} else {
1096 		MLX5_SET(modify_nic_vport_context_in, in,
1097 			 nic_vport_context.affiliated_vhca_id,
1098 			 MLX5_CAP_GEN(master_mdev, vhca_id));
1099 	}
1100 	MLX5_SET(modify_nic_vport_context_in, in,
1101 		 nic_vport_context.affiliation_criteria,
1102 		 MLX5_CAP_GEN(port_mdev, affiliate_nic_vport_criteria));
1103 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
1104 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1105 
1106 	err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1107 	if (err)
1108 		mlx5_nic_vport_disable_roce(port_mdev);
1109 
1110 free:
1111 	kvfree(in);
1112 	return err;
1113 }
1114 EXPORT_SYMBOL_GPL(mlx5_nic_vport_affiliate_multiport);
1115 
mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev * port_mdev)1116 int mlx5_nic_vport_unaffiliate_multiport(struct mlx5_core_dev *port_mdev)
1117 {
1118 	int inlen = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in);
1119 	void *in;
1120 	int err;
1121 
1122 	in = kvzalloc(inlen, GFP_KERNEL);
1123 	if (!in)
1124 		return -ENOMEM;
1125 
1126 	MLX5_SET(modify_nic_vport_context_in, in, field_select.affiliation, 1);
1127 	MLX5_SET(modify_nic_vport_context_in, in,
1128 		 nic_vport_context.affiliated_vhca_id, 0);
1129 	MLX5_SET(modify_nic_vport_context_in, in,
1130 		 nic_vport_context.affiliation_criteria, 0);
1131 	MLX5_SET(modify_nic_vport_context_in, in, opcode,
1132 		 MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
1133 
1134 	err = mlx5_cmd_exec_in(port_mdev, modify_nic_vport_context, in);
1135 	if (!err)
1136 		mlx5_nic_vport_disable_roce(port_mdev);
1137 
1138 	kvfree(in);
1139 	return err;
1140 }
1141 EXPORT_SYMBOL_GPL(mlx5_nic_vport_unaffiliate_multiport);
1142 
mlx5_query_nic_system_image_guid(struct mlx5_core_dev * mdev)1143 u64 mlx5_query_nic_system_image_guid(struct mlx5_core_dev *mdev)
1144 {
1145 	int port_type_cap = MLX5_CAP_GEN(mdev, port_type);
1146 	u64 tmp;
1147 	int err;
1148 
1149 	if (mdev->sys_image_guid)
1150 		return mdev->sys_image_guid;
1151 
1152 	if (port_type_cap == MLX5_CAP_PORT_TYPE_ETH)
1153 		err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp);
1154 	else
1155 		err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp);
1156 
1157 	mdev->sys_image_guid = err ? 0 : tmp;
1158 
1159 	return mdev->sys_image_guid;
1160 }
1161 EXPORT_SYMBOL_GPL(mlx5_query_nic_system_image_guid);
1162 
mlx5_vport_get_other_func_cap(struct mlx5_core_dev * dev,u16 function_id,void * out)1163 int mlx5_vport_get_other_func_cap(struct mlx5_core_dev *dev, u16 function_id, void *out)
1164 {
1165 	u16 opmod = (MLX5_CAP_GENERAL << 1) | (HCA_CAP_OPMOD_GET_MAX & 0x01);
1166 	u8 in[MLX5_ST_SZ_BYTES(query_hca_cap_in)] = {};
1167 
1168 	MLX5_SET(query_hca_cap_in, in, opcode, MLX5_CMD_OP_QUERY_HCA_CAP);
1169 	MLX5_SET(query_hca_cap_in, in, op_mod, opmod);
1170 	MLX5_SET(query_hca_cap_in, in, function_id, function_id);
1171 	MLX5_SET(query_hca_cap_in, in, other_function, true);
1172 	return mlx5_cmd_exec_inout(dev, query_hca_cap, in, out);
1173 }
1174