1 // SPDX-License-Identifier: GPL-2.0+
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3
4 #include "hclge_main.h"
5 #include "hclge_mbx.h"
6 #include "hnae3.h"
7
8 /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
9 * receives a mailbox message from VF.
10 * @vport: pointer to struct hclge_vport
11 * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
12 * message
13 * @resp_status: indicate to VF whether its request success(0) or failed.
14 */
hclge_gen_resp_to_vf(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * vf_to_pf_req,int resp_status,u8 * resp_data,u16 resp_data_len)15 static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
16 struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
17 int resp_status,
18 u8 *resp_data, u16 resp_data_len)
19 {
20 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
21 struct hclge_dev *hdev = vport->back;
22 enum hclge_cmd_status status;
23 struct hclge_desc desc;
24
25 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
26
27 if (resp_data_len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
28 dev_err(&hdev->pdev->dev,
29 "PF fail to gen resp to VF len %d exceeds max len %d\n",
30 resp_data_len,
31 HCLGE_MBX_MAX_RESP_DATA_SIZE);
32 }
33
34 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
35
36 resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
37 resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
38
39 resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP;
40 resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
41 resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
42 resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;
43
44 if (resp_data && resp_data_len > 0)
45 memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);
46
47 status = hclge_cmd_send(&hdev->hw, &desc, 1);
48 if (status)
49 dev_err(&hdev->pdev->dev,
50 "PF failed(=%d) to send response to VF\n", status);
51
52 return status;
53 }
54
hclge_send_mbx_msg(struct hclge_vport * vport,u8 * msg,u16 msg_len,u16 mbx_opcode,u8 dest_vfid)55 static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
56 u16 mbx_opcode, u8 dest_vfid)
57 {
58 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
59 struct hclge_dev *hdev = vport->back;
60 enum hclge_cmd_status status;
61 struct hclge_desc desc;
62
63 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
64
65 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
66
67 resp_pf_to_vf->dest_vfid = dest_vfid;
68 resp_pf_to_vf->msg_len = msg_len;
69 resp_pf_to_vf->msg[0] = mbx_opcode;
70
71 memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);
72
73 status = hclge_cmd_send(&hdev->hw, &desc, 1);
74 if (status)
75 dev_err(&hdev->pdev->dev,
76 "PF failed(=%d) to send mailbox message to VF\n",
77 status);
78
79 return status;
80 }
81
hclge_inform_reset_assert_to_vf(struct hclge_vport * vport)82 static int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
83 {
84 u8 msg_data[2];
85 u8 dest_vfid;
86
87 dest_vfid = (u8)vport->vport_id;
88
89 /* send this requested info to VF */
90 return hclge_send_mbx_msg(vport, msg_data, sizeof(u8),
91 HCLGE_MBX_ASSERTING_RESET, dest_vfid);
92 }
93
hclge_free_vector_ring_chain(struct hnae3_ring_chain_node * head)94 static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
95 {
96 struct hnae3_ring_chain_node *chain_tmp, *chain;
97
98 chain = head->next;
99
100 while (chain) {
101 chain_tmp = chain->next;
102 kzfree(chain);
103 chain = chain_tmp;
104 }
105 }
106
107 /* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx
108 * from mailbox message
109 * msg[0]: opcode
110 * msg[1]: <not relevant to this function>
111 * msg[2]: ring_num
112 * msg[3]: first ring type (TX|RX)
113 * msg[4]: first tqp id
114 * msg[5]: first int_gl idx
115 * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx
116 */
hclge_get_ring_chain_from_mbx(struct hclge_mbx_vf_to_pf_cmd * req,struct hnae3_ring_chain_node * ring_chain,struct hclge_vport * vport)117 static int hclge_get_ring_chain_from_mbx(
118 struct hclge_mbx_vf_to_pf_cmd *req,
119 struct hnae3_ring_chain_node *ring_chain,
120 struct hclge_vport *vport)
121 {
122 struct hnae3_ring_chain_node *cur_chain, *new_chain;
123 int ring_num;
124 int i;
125
126 ring_num = req->msg[2];
127
128 if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
129 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
130 HCLGE_MBX_RING_NODE_VARIABLE_NUM))
131 return -ENOMEM;
132
133 hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
134 ring_chain->tqp_index =
135 hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
136 hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
137 HNAE3_RING_GL_IDX_S,
138 req->msg[5]);
139
140 cur_chain = ring_chain;
141
142 for (i = 1; i < ring_num; i++) {
143 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
144 if (!new_chain)
145 goto err;
146
147 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
148 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
149 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
150
151 new_chain->tqp_index =
152 hclge_get_queue_id(vport->nic.kinfo.tqp
153 [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
154 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
155
156 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
157 HNAE3_RING_GL_IDX_S,
158 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
159 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
160
161 cur_chain->next = new_chain;
162 cur_chain = new_chain;
163 }
164
165 return 0;
166 err:
167 hclge_free_vector_ring_chain(ring_chain);
168 return -ENOMEM;
169 }
170
hclge_map_unmap_ring_to_vf_vector(struct hclge_vport * vport,bool en,struct hclge_mbx_vf_to_pf_cmd * req)171 static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
172 struct hclge_mbx_vf_to_pf_cmd *req)
173 {
174 struct hnae3_ring_chain_node ring_chain;
175 int vector_id = req->msg[1];
176 int ret;
177
178 memset(&ring_chain, 0, sizeof(ring_chain));
179 ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
180 if (ret)
181 return ret;
182
183 ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
184 if (ret)
185 return ret;
186
187 hclge_free_vector_ring_chain(&ring_chain);
188
189 return 0;
190 }
191
hclge_set_vf_promisc_mode(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * req)192 static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
193 struct hclge_mbx_vf_to_pf_cmd *req)
194 {
195 bool en_uc = req->msg[1] ? true : false;
196 bool en_mc = req->msg[2] ? true : false;
197 struct hclge_promisc_param param;
198
199 /* always enable broadcast promisc bit */
200 hclge_promisc_param_init(¶m, en_uc, en_mc, true, vport->vport_id);
201 return hclge_cmd_set_promisc_mode(vport->back, ¶m);
202 }
203
hclge_set_vf_uc_mac_addr(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req,bool gen_resp)204 static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
205 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
206 bool gen_resp)
207 {
208 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
209 struct hclge_dev *hdev = vport->back;
210 int status;
211
212 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
213 const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]);
214
215 hclge_rm_uc_addr_common(vport, old_addr);
216 status = hclge_add_uc_addr_common(vport, mac_addr);
217 if (status)
218 hclge_add_uc_addr_common(vport, old_addr);
219 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
220 status = hclge_add_uc_addr_common(vport, mac_addr);
221 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
222 status = hclge_rm_uc_addr_common(vport, mac_addr);
223 } else {
224 dev_err(&hdev->pdev->dev,
225 "failed to set unicast mac addr, unknown subcode %d\n",
226 mbx_req->msg[1]);
227 return -EIO;
228 }
229
230 if (gen_resp)
231 hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
232
233 return 0;
234 }
235
hclge_set_vf_mc_mta_status(struct hclge_vport * vport,u8 * msg,u8 idx,bool is_end)236 static int hclge_set_vf_mc_mta_status(struct hclge_vport *vport,
237 u8 *msg, u8 idx, bool is_end)
238 {
239 #define HCLGE_MTA_STATUS_MSG_SIZE 13
240 #define HCLGE_MTA_STATUS_MSG_BITS \
241 (HCLGE_MTA_STATUS_MSG_SIZE * BITS_PER_BYTE)
242 #define HCLGE_MTA_STATUS_MSG_END_BITS \
243 (HCLGE_MTA_TBL_SIZE % HCLGE_MTA_STATUS_MSG_BITS)
244 unsigned long status[BITS_TO_LONGS(HCLGE_MTA_STATUS_MSG_BITS)];
245 u16 tbl_cnt;
246 u16 tbl_idx;
247 u8 msg_ofs;
248 u8 msg_bit;
249
250 tbl_cnt = is_end ? HCLGE_MTA_STATUS_MSG_END_BITS :
251 HCLGE_MTA_STATUS_MSG_BITS;
252
253 /* set msg field */
254 msg_ofs = 0;
255 msg_bit = 0;
256 memset(status, 0, sizeof(status));
257 for (tbl_idx = 0; tbl_idx < tbl_cnt; tbl_idx++) {
258 if (msg[msg_ofs] & BIT(msg_bit))
259 set_bit(tbl_idx, status);
260
261 msg_bit++;
262 if (msg_bit == BITS_PER_BYTE) {
263 msg_bit = 0;
264 msg_ofs++;
265 }
266 }
267
268 return hclge_update_mta_status_common(vport,
269 status, idx * HCLGE_MTA_STATUS_MSG_BITS,
270 tbl_cnt, is_end);
271 }
272
hclge_set_vf_mc_mac_addr(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req,bool gen_resp)273 static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
274 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
275 bool gen_resp)
276 {
277 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
278 struct hclge_dev *hdev = vport->back;
279 u8 resp_len = 0;
280 u8 resp_data;
281 int status;
282
283 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
284 status = hclge_add_mc_addr_common(vport, mac_addr);
285 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
286 status = hclge_rm_mc_addr_common(vport, mac_addr);
287 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_FUNC_MTA_ENABLE) {
288 u8 func_id = vport->vport_id;
289 bool enable = mbx_req->msg[2];
290
291 status = hclge_cfg_func_mta_filter(hdev, func_id, enable);
292 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MTA_TYPE_READ) {
293 resp_data = hdev->mta_mac_sel_type;
294 resp_len = sizeof(u8);
295 gen_resp = true;
296 status = 0;
297 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MTA_STATUS_UPDATE) {
298 /* mta status update msg format
299 * msg[2.6 : 2.0] msg index
300 * msg[2.7] msg is end
301 * msg[15 : 3] mta status bits[103 : 0]
302 */
303 bool is_end = (mbx_req->msg[2] & 0x80) ? true : false;
304
305 status = hclge_set_vf_mc_mta_status(vport, &mbx_req->msg[3],
306 mbx_req->msg[2] & 0x7F,
307 is_end);
308 } else {
309 dev_err(&hdev->pdev->dev,
310 "failed to set mcast mac addr, unknown subcode %d\n",
311 mbx_req->msg[1]);
312 return -EIO;
313 }
314
315 if (gen_resp)
316 hclge_gen_resp_to_vf(vport, mbx_req, status,
317 &resp_data, resp_len);
318
319 return 0;
320 }
321
hclge_set_vf_vlan_cfg(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req,bool gen_resp)322 static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
323 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
324 bool gen_resp)
325 {
326 int status = 0;
327
328 if (mbx_req->msg[1] == HCLGE_MBX_VLAN_FILTER) {
329 struct hnae3_handle *handle = &vport->nic;
330 u16 vlan, proto;
331 bool is_kill;
332
333 is_kill = !!mbx_req->msg[2];
334 memcpy(&vlan, &mbx_req->msg[3], sizeof(vlan));
335 memcpy(&proto, &mbx_req->msg[5], sizeof(proto));
336 status = hclge_set_vlan_filter(handle, cpu_to_be16(proto),
337 vlan, is_kill);
338 } else if (mbx_req->msg[1] == HCLGE_MBX_VLAN_RX_OFF_CFG) {
339 struct hnae3_handle *handle = &vport->nic;
340 bool en = mbx_req->msg[2] ? true : false;
341
342 status = hclge_en_hw_strip_rxvtag(handle, en);
343 }
344
345 if (gen_resp)
346 status = hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
347
348 return status;
349 }
350
hclge_get_vf_tcinfo(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req,bool gen_resp)351 static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
352 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
353 bool gen_resp)
354 {
355 struct hclge_dev *hdev = vport->back;
356 int ret;
357
358 ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &hdev->hw_tc_map,
359 sizeof(u8));
360
361 return ret;
362 }
363
hclge_get_vf_queue_info(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req,bool gen_resp)364 static int hclge_get_vf_queue_info(struct hclge_vport *vport,
365 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
366 bool gen_resp)
367 {
368 #define HCLGE_TQPS_RSS_INFO_LEN 8
369 u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
370 struct hclge_dev *hdev = vport->back;
371
372 /* get the queue related info */
373 memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
374 memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
375 memcpy(&resp_data[4], &hdev->num_desc, sizeof(u16));
376 memcpy(&resp_data[6], &hdev->rx_buf_len, sizeof(u16));
377
378 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
379 HCLGE_TQPS_RSS_INFO_LEN);
380 }
381
hclge_get_link_info(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req)382 static int hclge_get_link_info(struct hclge_vport *vport,
383 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
384 {
385 struct hclge_dev *hdev = vport->back;
386 u16 link_status;
387 u8 msg_data[8];
388 u8 dest_vfid;
389 u16 duplex;
390
391 /* mac.link can only be 0 or 1 */
392 link_status = (u16)hdev->hw.mac.link;
393 duplex = hdev->hw.mac.duplex;
394 memcpy(&msg_data[0], &link_status, sizeof(u16));
395 memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32));
396 memcpy(&msg_data[6], &duplex, sizeof(u16));
397 dest_vfid = mbx_req->mbx_src_vfid;
398
399 /* send this requested info to VF */
400 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
401 HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
402 }
403
hclge_mbx_reset_vf_queue(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req)404 static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
405 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
406 {
407 u16 queue_id;
408
409 memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
410
411 hclge_reset_vf_queue(vport, queue_id);
412
413 /* send response msg to VF after queue reset complete*/
414 hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
415 }
416
hclge_reset_vf(struct hclge_vport * vport,struct hclge_mbx_vf_to_pf_cmd * mbx_req)417 static void hclge_reset_vf(struct hclge_vport *vport,
418 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
419 {
420 struct hclge_dev *hdev = vport->back;
421 int ret;
422
423 dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %d!",
424 mbx_req->mbx_src_vfid);
425
426 /* Acknowledge VF that PF is now about to assert the reset for the VF.
427 * On receiving this message VF will get into pending state and will
428 * start polling for the hardware reset completion status.
429 */
430 ret = hclge_inform_reset_assert_to_vf(vport);
431 if (ret) {
432 dev_err(&hdev->pdev->dev,
433 "PF fail(%d) to inform VF(%d)of reset, reset failed!\n",
434 ret, vport->vport_id);
435 return;
436 }
437
438 dev_warn(&hdev->pdev->dev, "PF is now resetting VF %d.\n",
439 mbx_req->mbx_src_vfid);
440 /* reset this virtual function */
441 hclge_func_reset_cmd(hdev, mbx_req->mbx_src_vfid);
442 }
443
hclge_cmd_crq_empty(struct hclge_hw * hw)444 static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
445 {
446 u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
447
448 return tail == hw->cmq.crq.next_to_use;
449 }
450
hclge_mbx_handler(struct hclge_dev * hdev)451 void hclge_mbx_handler(struct hclge_dev *hdev)
452 {
453 struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
454 struct hclge_mbx_vf_to_pf_cmd *req;
455 struct hclge_vport *vport;
456 struct hclge_desc *desc;
457 int ret, flag;
458
459 /* handle all the mailbox requests in the queue */
460 while (!hclge_cmd_crq_empty(&hdev->hw)) {
461 desc = &crq->desc[crq->next_to_use];
462 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
463
464 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
465 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) {
466 dev_warn(&hdev->pdev->dev,
467 "dropped invalid mailbox message, code = %d\n",
468 req->msg[0]);
469
470 /* dropping/not processing this invalid message */
471 crq->desc[crq->next_to_use].flag = 0;
472 hclge_mbx_ring_ptr_move_crq(crq);
473 continue;
474 }
475
476 vport = &hdev->vport[req->mbx_src_vfid];
477
478 switch (req->msg[0]) {
479 case HCLGE_MBX_MAP_RING_TO_VECTOR:
480 ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
481 req);
482 break;
483 case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
484 ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
485 req);
486 break;
487 case HCLGE_MBX_SET_PROMISC_MODE:
488 ret = hclge_set_vf_promisc_mode(vport, req);
489 if (ret)
490 dev_err(&hdev->pdev->dev,
491 "PF fail(%d) to set VF promisc mode\n",
492 ret);
493 break;
494 case HCLGE_MBX_SET_UNICAST:
495 ret = hclge_set_vf_uc_mac_addr(vport, req, true);
496 if (ret)
497 dev_err(&hdev->pdev->dev,
498 "PF fail(%d) to set VF UC MAC Addr\n",
499 ret);
500 break;
501 case HCLGE_MBX_SET_MULTICAST:
502 ret = hclge_set_vf_mc_mac_addr(vport, req, false);
503 if (ret)
504 dev_err(&hdev->pdev->dev,
505 "PF fail(%d) to set VF MC MAC Addr\n",
506 ret);
507 break;
508 case HCLGE_MBX_SET_VLAN:
509 ret = hclge_set_vf_vlan_cfg(vport, req, false);
510 if (ret)
511 dev_err(&hdev->pdev->dev,
512 "PF failed(%d) to config VF's VLAN\n",
513 ret);
514 break;
515 case HCLGE_MBX_GET_QINFO:
516 ret = hclge_get_vf_queue_info(vport, req, true);
517 if (ret)
518 dev_err(&hdev->pdev->dev,
519 "PF failed(%d) to get Q info for VF\n",
520 ret);
521 break;
522 case HCLGE_MBX_GET_TCINFO:
523 ret = hclge_get_vf_tcinfo(vport, req, true);
524 if (ret)
525 dev_err(&hdev->pdev->dev,
526 "PF failed(%d) to get TC info for VF\n",
527 ret);
528 break;
529 case HCLGE_MBX_GET_LINK_STATUS:
530 ret = hclge_get_link_info(vport, req);
531 if (ret)
532 dev_err(&hdev->pdev->dev,
533 "PF fail(%d) to get link stat for VF\n",
534 ret);
535 break;
536 case HCLGE_MBX_QUEUE_RESET:
537 hclge_mbx_reset_vf_queue(vport, req);
538 break;
539 case HCLGE_MBX_RESET:
540 hclge_reset_vf(vport, req);
541 break;
542 default:
543 dev_err(&hdev->pdev->dev,
544 "un-supported mailbox message, code = %d\n",
545 req->msg[0]);
546 break;
547 }
548 crq->desc[crq->next_to_use].flag = 0;
549 hclge_mbx_ring_ptr_move_crq(crq);
550 }
551
552 /* Write back CMDQ_RQ header pointer, M7 need this pointer */
553 hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
554 }
555
