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Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / drivers / net / ethernet / hisilicon / hns3 / hns3pf / hclge_mbx.c
CommitLineData
dde1a86e
SM		 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 */
15static 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,
adcf738b 29 "PF fail to gen resp to VF len %u exceeds max len %u\n",
dde1a86e
SM		 30 resp_data_len,
31 HCLGE_MBX_MAX_RESP_DATA_SIZE);
89295152
PL		 32 /* If resp_data_len is too long, set the value to max length
33 * and return the msg to VF
34 */
35 resp_data_len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
dde1a86e
SM		 36 }
37
38 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
39
40 resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
41 resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
42
43 resp_pf_to_vf->msg[0] = HCLGE_MBX_PF_VF_RESP;
44 resp_pf_to_vf->msg[1] = vf_to_pf_req->msg[0];
45 resp_pf_to_vf->msg[2] = vf_to_pf_req->msg[1];
46 resp_pf_to_vf->msg[3] = (resp_status == 0) ? 0 : 1;
47
48 if (resp_data && resp_data_len > 0)
49 memcpy(&resp_pf_to_vf->msg[4], resp_data, resp_data_len);
50
51 status = hclge_cmd_send(&hdev->hw, &desc, 1);
52 if (status)
53 dev_err(&hdev->pdev->dev,
54 "PF failed(=%d) to send response to VF\n", status);
55
56 return status;
57}
58
59static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
60 u16 mbx_opcode, u8 dest_vfid)
61{
62 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
63 struct hclge_dev *hdev = vport->back;
64 enum hclge_cmd_status status;
65 struct hclge_desc desc;
66
67 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
68
69 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
70
71 resp_pf_to_vf->dest_vfid = dest_vfid;
72 resp_pf_to_vf->msg_len = msg_len;
73 resp_pf_to_vf->msg[0] = mbx_opcode;
74
75 memcpy(&resp_pf_to_vf->msg[1], msg, msg_len);
76
77 status = hclge_cmd_send(&hdev->hw, &desc, 1);
78 if (status)
79 dev_err(&hdev->pdev->dev,
80 "PF failed(=%d) to send mailbox message to VF\n",
81 status);
82
83 return status;
84}
85
dea846e8 86int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
2bfbd35d 87{
aa5c4f17
HT		 88 struct hclge_dev *hdev = vport->back;
89 enum hnae3_reset_type reset_type;
2bfbd35d
SM		 90 u8 msg_data[2];
91 u8 dest_vfid;
92
93 dest_vfid = (u8)vport->vport_id;
94
aa5c4f17
HT		 95 if (hdev->reset_type == HNAE3_FUNC_RESET)
96 reset_type = HNAE3_VF_PF_FUNC_RESET;
6b9a97ee
HT		 97 else if (hdev->reset_type == HNAE3_FLR_RESET)
98 reset_type = HNAE3_VF_FULL_RESET;
aa5c4f17 99 else
0cd86182 100 reset_type = HNAE3_VF_FUNC_RESET;
aa5c4f17
HT		 101
102 memcpy(&msg_data[0], &reset_type, sizeof(u16));
103
2bfbd35d 104 /* send this requested info to VF */
aa5c4f17 105 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
2bfbd35d
SM		 106 HCLGE_MBX_ASSERTING_RESET, dest_vfid);
107}
108
84e095d6
SM		 109static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
110{
111 struct hnae3_ring_chain_node *chain_tmp, *chain;
112
113 chain = head->next;
114
115 while (chain) {
116 chain_tmp = chain->next;
117 kzfree(chain);
118 chain = chain_tmp;
119 }
120}
121
5550aa4d
FL		 122/* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx
123 * from mailbox message
84e095d6
SM		 124 * msg[0]: opcode
125 * msg[1]: <not relevant to this function>
126 * msg[2]: ring_num
127 * msg[3]: first ring type (TX|RX)
128 * msg[4]: first tqp id
5550aa4d
FL		 129 * msg[5]: first int_gl idx
130 * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx
84e095d6
SM		 131 */
132static int hclge_get_ring_chain_from_mbx(
133 struct hclge_mbx_vf_to_pf_cmd *req,
134 struct hnae3_ring_chain_node *ring_chain,
135 struct hclge_vport *vport)
136{
84e095d6
SM		 137 struct hnae3_ring_chain_node *cur_chain, *new_chain;
138 int ring_num;
139 int i;
140
141 ring_num = req->msg[2];
142
5d02a58d
YL		 143 if (ring_num > ((HCLGE_MBX_VF_MSG_DATA_NUM -
144 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM) /
145 HCLGE_MBX_RING_NODE_VARIABLE_NUM))
146 return -ENOMEM;
147
e4e87715 148 hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B, req->msg[3]);
84e095d6
SM		 149 ring_chain->tqp_index =
150 hclge_get_queue_id(vport->nic.kinfo.tqp[req->msg[4]]);
cf4103c6
FL		 151 hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
152 HNAE3_RING_GL_IDX_S,
e4e87715 153 req->msg[5]);
84e095d6
SM		 154
155 cur_chain = ring_chain;
156
157 for (i = 1; i < ring_num; i++) {
158 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
159 if (!new_chain)
160 goto err;
161
e4e87715
PL		 162 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
163 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
164 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM]);
84e095d6
SM		 165
166 new_chain->tqp_index =
167 hclge_get_queue_id(vport->nic.kinfo.tqp
5d02a58d
YL		 168 [req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
169 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 1]]);
84e095d6 170
cf4103c6
FL		 171 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
172 HNAE3_RING_GL_IDX_S,
e4e87715
PL		 173 req->msg[HCLGE_MBX_RING_NODE_VARIABLE_NUM * i +
174 HCLGE_MBX_RING_MAP_BASIC_MSG_NUM + 2]);
79eee410 175
84e095d6
SM		 176 cur_chain->next = new_chain;
177 cur_chain = new_chain;
178 }
179
180 return 0;
181err:
182 hclge_free_vector_ring_chain(ring_chain);
183 return -ENOMEM;
184}
185
186static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
187 struct hclge_mbx_vf_to_pf_cmd *req)
188{
189 struct hnae3_ring_chain_node ring_chain;
190 int vector_id = req->msg[1];
191 int ret;
192
193 memset(&ring_chain, 0, sizeof(ring_chain));
194 ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
195 if (ret)
196 return ret;
197
198 ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
84e095d6
SM		 199
200 hclge_free_vector_ring_chain(&ring_chain);
201
49f971bd 202 return ret;
84e095d6
SM		 203}
204
dde1a86e
SM		 205static int hclge_set_vf_promisc_mode(struct hclge_vport *vport,
206 struct hclge_mbx_vf_to_pf_cmd *req)
207{
e196ec75
JS		 208#define HCLGE_MBX_BC_INDEX 1
209#define HCLGE_MBX_UC_INDEX 2
210#define HCLGE_MBX_MC_INDEX 3
dde1a86e 211
e196ec75
JS		 212 bool en_bc = req->msg[HCLGE_MBX_BC_INDEX] ? true : false;
213 bool en_uc = req->msg[HCLGE_MBX_UC_INDEX] ? true : false;
214 bool en_mc = req->msg[HCLGE_MBX_MC_INDEX] ? true : false;
215 int ret;
216
217 if (!vport->vf_info.trusted) {
218 en_uc = false;
219 en_mc = false;
220 }
221
222 ret = hclge_set_vport_promisc_mode(vport, en_uc, en_mc, en_bc);
223 if (req->mbx_need_resp)
224 hclge_gen_resp_to_vf(vport, req, ret, NULL, 0);
225
226 vport->vf_info.promisc_enable = (en_uc || en_mc) ? 1 : 0;
227
228 return ret;
229}
230
231void hclge_inform_vf_promisc_info(struct hclge_vport *vport)
232{
233 u8 dest_vfid = (u8)vport->vport_id;
234 u8 msg_data[2];
235
236 memcpy(&msg_data[0], &vport->vf_info.promisc_enable, sizeof(u16));
237
238 hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
239 HCLGE_MBX_PUSH_PROMISC_INFO, dest_vfid);
dde1a86e
SM		 240}
241
242static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
b7048d32 243 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
dde1a86e
SM		 244{
245 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
246 struct hclge_dev *hdev = vport->back;
247 int status;
248
249 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
250 const u8 *old_addr = (const u8 *)(&mbx_req->msg[8]);
251
8e6de441
HT		 252 /* If VF MAC has been configured by the host then it
253 * cannot be overridden by the MAC specified by the VM.
254 */
255 if (!is_zero_ether_addr(vport->vf_info.mac) &&
256 !ether_addr_equal(mac_addr, vport->vf_info.mac)) {
257 status = -EPERM;
258 goto out;
259 }
260
261 if (!is_valid_ether_addr(mac_addr)) {
262 status = -EINVAL;
263 goto out;
264 }
265
dde1a86e
SM		 266 hclge_rm_uc_addr_common(vport, old_addr);
267 status = hclge_add_uc_addr_common(vport, mac_addr);
6dd86902 268 if (status) {
59098055 269 hclge_add_uc_addr_common(vport, old_addr);
6dd86902 270 } else {
271 hclge_rm_vport_mac_table(vport, mac_addr,
272 false, HCLGE_MAC_ADDR_UC);
273 hclge_add_vport_mac_table(vport, mac_addr,
274 HCLGE_MAC_ADDR_UC);
275 }
dde1a86e
SM		 276 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_ADD) {
277 status = hclge_add_uc_addr_common(vport, mac_addr);
6dd86902 278 if (!status)
279 hclge_add_vport_mac_table(vport, mac_addr,
280 HCLGE_MAC_ADDR_UC);
dde1a86e
SM		 281 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
282 status = hclge_rm_uc_addr_common(vport, mac_addr);
6dd86902 283 if (!status)
284 hclge_rm_vport_mac_table(vport, mac_addr,
285 false, HCLGE_MAC_ADDR_UC);
dde1a86e
SM		 286 } else {
287 dev_err(&hdev->pdev->dev,
adcf738b 288 "failed to set unicast mac addr, unknown subcode %u\n",
dde1a86e
SM		 289 mbx_req->msg[1]);
290 return -EIO;
291 }
292
8e6de441 293out:
b7048d32 294 if (mbx_req->mbx_need_resp & HCLGE_MBX_NEED_RESP_BIT)
dde1a86e
SM		 295 hclge_gen_resp_to_vf(vport, mbx_req, status, NULL, 0);
296
297 return 0;
298}
299
300static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
301 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
302 bool gen_resp)
303{
304 const u8 *mac_addr = (const u8 *)(&mbx_req->msg[2]);
305 struct hclge_dev *hdev = vport->back;
3a678b58
XW		 306 u8 resp_len = 0;
307 u8 resp_data;
dde1a86e
SM		 308 int status;
309
310 if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_ADD) {
311 status = hclge_add_mc_addr_common(vport, mac_addr);
6dd86902 312 if (!status)
313 hclge_add_vport_mac_table(vport, mac_addr,
314 HCLGE_MAC_ADDR_MC);
dde1a86e
SM		 315 } else if (mbx_req->msg[1] == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
316 status = hclge_rm_mc_addr_common(vport, mac_addr);
6dd86902 317 if (!status)
318 hclge_rm_vport_mac_table(vport, mac_addr,
319 false, HCLGE_MAC_ADDR_MC);
dde1a86e
SM		 320 } else {
321 dev_err(&hdev->pdev->dev,
adcf738b 322 "failed to set mcast mac addr, unknown subcode %u\n",
dde1a86e
SM		 323 mbx_req->msg[1]);
324 return -EIO;
325 }
326
327 if (gen_resp)
3a678b58
XW		 328 hclge_gen_resp_to_vf(vport, mbx_req, status,
329 &resp_data, resp_len);
dde1a86e
SM		 330
331 return 0;
332}
333
92f11ea1
JS		 334int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
335 u16 state, u16 vlan_tag, u16 qos,
336 u16 vlan_proto)
337{
338#define MSG_DATA_SIZE 8
339
340 u8 msg_data[MSG_DATA_SIZE];
341
342 memcpy(&msg_data[0], &state, sizeof(u16));
343 memcpy(&msg_data[2], &vlan_proto, sizeof(u16));
344 memcpy(&msg_data[4], &qos, sizeof(u16));
345 memcpy(&msg_data[6], &vlan_tag, sizeof(u16));
346
347 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
4803d010 348 HCLGE_MBX_PUSH_VLAN_INFO, vfid);
92f11ea1
JS		 349}
350
dde1a86e 351static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
92f11ea1 352 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
dde1a86e 353{
ebaf1908 354 struct hclge_vf_vlan_cfg *msg_cmd;
dde1a86e
SM		 355 int status = 0;
356
ebaf1908
WL		 357 msg_cmd = (struct hclge_vf_vlan_cfg *)mbx_req->msg;
358 if (msg_cmd->subcode == HCLGE_MBX_VLAN_FILTER) {
dc8131d8 359 struct hnae3_handle *handle = &vport->nic;
dde1a86e
SM		 360 u16 vlan, proto;
361 bool is_kill;
362
ebaf1908
WL		 363 is_kill = !!msg_cmd->is_kill;
364 vlan = msg_cmd->vlan;
365 proto = msg_cmd->proto;
dc8131d8
YL		 366 status = hclge_set_vlan_filter(handle, cpu_to_be16(proto),
367 vlan, is_kill);
22044f95
JS		 368 if (mbx_req->mbx_need_resp)
369 return hclge_gen_resp_to_vf(vport, mbx_req, status,
370 NULL, 0);
ebaf1908 371 } else if (msg_cmd->subcode == HCLGE_MBX_VLAN_RX_OFF_CFG) {
b2641e2a 372 struct hnae3_handle *handle = &vport->nic;
ebaf1908 373 bool en = msg_cmd->is_kill ? true : false;
b2641e2a
YL		 374
375 status = hclge_en_hw_strip_rxvtag(handle, en);
92f11ea1
JS		 376 } else if (mbx_req->msg[1] == HCLGE_MBX_PORT_BASE_VLAN_CFG) {
377 struct hclge_vlan_info *vlan_info;
378 u16 *state;
379
380 state = (u16 *)&mbx_req->msg[2];
381 vlan_info = (struct hclge_vlan_info *)&mbx_req->msg[4];
382 status = hclge_update_port_base_vlan_cfg(vport, *state,
383 vlan_info);
384 } else if (mbx_req->msg[1] == HCLGE_MBX_GET_PORT_BASE_VLAN_STATE) {
385 u8 state;
386
387 state = vport->port_base_vlan_cfg.state;
388 status = hclge_gen_resp_to_vf(vport, mbx_req, 0, &state,
389 sizeof(u8));
dde1a86e
SM		 390 }
391
dde1a86e
SM		 392 return status;
393}
394
a6d818e3
YL		 395static int hclge_set_vf_alive(struct hclge_vport *vport,
396 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
397 bool gen_resp)
398{
399 bool alive = !!mbx_req->msg[2];
400 int ret = 0;
401
402 if (alive)
403 ret = hclge_vport_start(vport);
404 else
405 hclge_vport_stop(vport);
406
407 return ret;
408}
409
dde1a86e
SM		 410static int hclge_get_vf_tcinfo(struct hclge_vport *vport,
411 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
412 bool gen_resp)
413{
de67a690
YL		 414 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
415 u8 vf_tc_map = 0;
ebaf1908
WL		 416 unsigned int i;
417 int ret;
de67a690
YL		 418
419 for (i = 0; i < kinfo->num_tc; i++)
420 vf_tc_map |= BIT(i);
dde1a86e 421
de67a690 422 ret = hclge_gen_resp_to_vf(vport, mbx_req, 0, &vf_tc_map,
63cbf7a9 423 sizeof(vf_tc_map));
dde1a86e
SM		 424
425 return ret;
426}
427
428static int hclge_get_vf_queue_info(struct hclge_vport *vport,
429 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
430 bool gen_resp)
431{
c0425944 432#define HCLGE_TQPS_RSS_INFO_LEN 6
dde1a86e
SM		 433 u8 resp_data[HCLGE_TQPS_RSS_INFO_LEN];
434 struct hclge_dev *hdev = vport->back;
435
436 /* get the queue related info */
437 memcpy(&resp_data[0], &vport->alloc_tqps, sizeof(u16));
f5e084b8 438 memcpy(&resp_data[2], &vport->nic.kinfo.rss_size, sizeof(u16));
c0425944 439 memcpy(&resp_data[4], &hdev->rx_buf_len, sizeof(u16));
dde1a86e
SM		 440
441 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
442 HCLGE_TQPS_RSS_INFO_LEN);
443}
444
8e6de441
HT		 445static int hclge_get_vf_mac_addr(struct hclge_vport *vport,
446 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
447{
448 return hclge_gen_resp_to_vf(vport, mbx_req, 0, vport->vf_info.mac,
449 ETH_ALEN);
450}
451
c0425944
PL		 452static int hclge_get_vf_queue_depth(struct hclge_vport *vport,
453 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
454 bool gen_resp)
455{
456#define HCLGE_TQPS_DEPTH_INFO_LEN 4
457 u8 resp_data[HCLGE_TQPS_DEPTH_INFO_LEN];
458 struct hclge_dev *hdev = vport->back;
459
460 /* get the queue depth info */
461 memcpy(&resp_data[0], &hdev->num_tx_desc, sizeof(u16));
462 memcpy(&resp_data[2], &hdev->num_rx_desc, sizeof(u16));
463 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
464 HCLGE_TQPS_DEPTH_INFO_LEN);
465}
466
9c3e7130 467static int hclge_get_vf_media_type(struct hclge_vport *vport,
468 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
469{
470 struct hclge_dev *hdev = vport->back;
88d10bd6 471 u8 resp_data[2];
9c3e7130 472
88d10bd6
JS		 473 resp_data[0] = hdev->hw.mac.media_type;
474 resp_data[1] = hdev->hw.mac.module_type;
475 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
9c3e7130 476 sizeof(resp_data));
477}
478
dde1a86e
SM		 479static int hclge_get_link_info(struct hclge_vport *vport,
480 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
481{
6430f744
YM		 482#define HCLGE_VF_LINK_STATE_UP 1U
483#define HCLGE_VF_LINK_STATE_DOWN 0U
484
dde1a86e
SM		 485 struct hclge_dev *hdev = vport->back;
486 u16 link_status;
9c3e7130 487 u8 msg_data[8];
dde1a86e 488 u8 dest_vfid;
4a152de9 489 u16 duplex;
dde1a86e
SM		 490
491 /* mac.link can only be 0 or 1 */
6430f744
YM		 492 switch (vport->vf_info.link_state) {
493 case IFLA_VF_LINK_STATE_ENABLE:
494 link_status = HCLGE_VF_LINK_STATE_UP;
495 break;
496 case IFLA_VF_LINK_STATE_DISABLE:
497 link_status = HCLGE_VF_LINK_STATE_DOWN;
498 break;
499 case IFLA_VF_LINK_STATE_AUTO:
500 default:
501 link_status = (u16)hdev->hw.mac.link;
502 break;
503 }
504
4a152de9 505 duplex = hdev->hw.mac.duplex;
dde1a86e 506 memcpy(&msg_data[0], &link_status, sizeof(u16));
4a152de9
FL		 507 memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32));
508 memcpy(&msg_data[6], &duplex, sizeof(u16));
dde1a86e
SM		 509 dest_vfid = mbx_req->mbx_src_vfid;
510
511 /* send this requested info to VF */
4a152de9 512 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
dde1a86e
SM		 513 HCLGE_MBX_LINK_STAT_CHANGE, dest_vfid);
514}
515
9194d18b 516static void hclge_get_link_mode(struct hclge_vport *vport,
517 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
518{
519#define HCLGE_SUPPORTED 1
520 struct hclge_dev *hdev = vport->back;
521 unsigned long advertising;
522 unsigned long supported;
523 unsigned long send_data;
524 u8 msg_data[10];
525 u8 dest_vfid;
526
527 advertising = hdev->hw.mac.advertising[0];
528 supported = hdev->hw.mac.supported[0];
529 dest_vfid = mbx_req->mbx_src_vfid;
530 msg_data[0] = mbx_req->msg[2];
531
532 send_data = msg_data[0] == HCLGE_SUPPORTED ? supported : advertising;
533
534 memcpy(&msg_data[2], &send_data, sizeof(unsigned long));
535 hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
536 HCLGE_MBX_LINK_STAT_MODE, dest_vfid);
537}
538
1a426f8b
PL		 539static void hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
540 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
84e095d6
SM		 541{
542 u16 queue_id;
543
544 memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
545
1a426f8b
PL		 546 hclge_reset_vf_queue(vport, queue_id);
547
46ee7350 548 /* send response msg to VF after queue reset complete */
1a426f8b 549 hclge_gen_resp_to_vf(vport, mbx_req, 0, NULL, 0);
84e095d6
SM		 550}
551
2bfbd35d
SM		 552static void hclge_reset_vf(struct hclge_vport *vport,
553 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
554{
555 struct hclge_dev *hdev = vport->back;
556 int ret;
557
adcf738b 558 dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %u!",
dea846e8 559 vport->vport_id);
2bfbd35d 560
dea846e8
HT		 561 ret = hclge_func_reset_cmd(hdev, vport->vport_id);
562 hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
2bfbd35d
SM		 563}
564
a6d818e3
YL		 565static void hclge_vf_keep_alive(struct hclge_vport *vport,
566 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
567{
568 vport->last_active_jiffies = jiffies;
569}
570
818f1675
YL		 571static int hclge_set_vf_mtu(struct hclge_vport *vport,
572 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
573{
574 int ret;
575 u32 mtu;
576
577 memcpy(&mtu, &mbx_req->msg[2], sizeof(mtu));
578 ret = hclge_set_vport_mtu(vport, mtu);
579
580 return hclge_gen_resp_to_vf(vport, mbx_req, ret, NULL, 0);
581}
582
0c29d191 583static int hclge_get_queue_id_in_pf(struct hclge_vport *vport,
584 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
585{
586 u16 queue_id, qid_in_pf;
587 u8 resp_data[2];
588
589 memcpy(&queue_id, &mbx_req->msg[2], sizeof(queue_id));
590 qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
591 memcpy(resp_data, &qid_in_pf, sizeof(qid_in_pf));
592
d6ad7c53
GL		 593 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
594 sizeof(resp_data));
0c29d191 595}
596
a638b1d8
JS		 597static int hclge_get_rss_key(struct hclge_vport *vport,
598 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
599{
600#define HCLGE_RSS_MBX_RESP_LEN 8
601 u8 resp_data[HCLGE_RSS_MBX_RESP_LEN];
602 struct hclge_dev *hdev = vport->back;
603 u8 index;
604
605 index = mbx_req->msg[2];
606
607 memcpy(&resp_data[0],
608 &hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN],
609 HCLGE_RSS_MBX_RESP_LEN);
610
611 return hclge_gen_resp_to_vf(vport, mbx_req, 0, resp_data,
612 HCLGE_RSS_MBX_RESP_LEN);
613}
614
ed8fb4b2
JS		 615static void hclge_link_fail_parse(struct hclge_dev *hdev, u8 link_fail_code)
616{
617 switch (link_fail_code) {
618 case HCLGE_LF_REF_CLOCK_LOST:
619 dev_warn(&hdev->pdev->dev, "Reference clock lost!\n");
620 break;
621 case HCLGE_LF_XSFP_TX_DISABLE:
622 dev_warn(&hdev->pdev->dev, "SFP tx is disabled!\n");
623 break;
624 case HCLGE_LF_XSFP_ABSENT:
625 dev_warn(&hdev->pdev->dev, "SFP is absent!\n");
626 break;
627 default:
628 break;
629 }
630}
631
632static void hclge_handle_link_change_event(struct hclge_dev *hdev,
633 struct hclge_mbx_vf_to_pf_cmd *req)
634{
635#define LINK_STATUS_OFFSET 1
636#define LINK_FAIL_CODE_OFFSET 2
637
638 clear_bit(HCLGE_STATE_SERVICE_SCHED, &hdev->state);
639 hclge_task_schedule(hdev, 0);
640
641 if (!req->msg[LINK_STATUS_OFFSET])
642 hclge_link_fail_parse(hdev, req->msg[LINK_FAIL_CODE_OFFSET]);
643}
644
7c4bfcb0
XW		 645static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
646{
647 u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
648
649 return tail == hw->cmq.crq.next_to_use;
650}
651
b18bf305
HT		 652static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
653{
654 struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
655
656 ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET);
657 dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n");
658 ae_dev->ops->reset_event(hdev->pdev, NULL);
659}
660
dde1a86e
SM		 661void hclge_mbx_handler(struct hclge_dev *hdev)
662{
663 struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
664 struct hclge_mbx_vf_to_pf_cmd *req;
665 struct hclge_vport *vport;
666 struct hclge_desc *desc;
ebaf1908
WL		 667 unsigned int flag;
668 int ret;
dde1a86e
SM		 669
670 /* handle all the mailbox requests in the queue */
7c4bfcb0 671 while (!hclge_cmd_crq_empty(&hdev->hw)) {
3c88ed1d
HT		 672 if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) {
673 dev_warn(&hdev->pdev->dev,
674 "command queue needs re-initializing\n");
675 return;
676 }
677
dde1a86e
SM		 678 desc = &crq->desc[crq->next_to_use];
679 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
680
7c4bfcb0 681 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
e4e87715 682 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) {
7c4bfcb0 683 dev_warn(&hdev->pdev->dev,
adcf738b 684 "dropped invalid mailbox message, code = %u\n",
7c4bfcb0
XW		 685 req->msg[0]);
686
687 /* dropping/not processing this invalid message */
688 crq->desc[crq->next_to_use].flag = 0;
689 hclge_mbx_ring_ptr_move_crq(crq);
690 continue;
691 }
692
dde1a86e
SM		 693 vport = &hdev->vport[req->mbx_src_vfid];
694
695 switch (req->msg[0]) {
84e095d6
SM		 696 case HCLGE_MBX_MAP_RING_TO_VECTOR:
697 ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
698 req);
699 break;
700 case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
701 ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
702 req);
703 break;
dde1a86e
SM		 704 case HCLGE_MBX_SET_PROMISC_MODE:
705 ret = hclge_set_vf_promisc_mode(vport, req);
706 if (ret)
707 dev_err(&hdev->pdev->dev,
708 "PF fail(%d) to set VF promisc mode\n",
709 ret);
710 break;
711 case HCLGE_MBX_SET_UNICAST:
b7048d32 712 ret = hclge_set_vf_uc_mac_addr(vport, req);
dde1a86e
SM		 713 if (ret)
714 dev_err(&hdev->pdev->dev,
715 "PF fail(%d) to set VF UC MAC Addr\n",
716 ret);
717 break;
718 case HCLGE_MBX_SET_MULTICAST:
719 ret = hclge_set_vf_mc_mac_addr(vport, req, false);
720 if (ret)
721 dev_err(&hdev->pdev->dev,
722 "PF fail(%d) to set VF MC MAC Addr\n",
723 ret);
724 break;
725 case HCLGE_MBX_SET_VLAN:
92f11ea1 726 ret = hclge_set_vf_vlan_cfg(vport, req);
dde1a86e
SM		 727 if (ret)
728 dev_err(&hdev->pdev->dev,
729 "PF failed(%d) to config VF's VLAN\n",
730 ret);
731 break;
a6d818e3
YL		 732 case HCLGE_MBX_SET_ALIVE:
733 ret = hclge_set_vf_alive(vport, req, false);
734 if (ret)
735 dev_err(&hdev->pdev->dev,
736 "PF failed(%d) to set VF's ALIVE\n",
737 ret);
738 break;
dde1a86e
SM		 739 case HCLGE_MBX_GET_QINFO:
740 ret = hclge_get_vf_queue_info(vport, req, true);
741 if (ret)
742 dev_err(&hdev->pdev->dev,
743 "PF failed(%d) to get Q info for VF\n",
744 ret);
745 break;
c0425944
PL		 746 case HCLGE_MBX_GET_QDEPTH:
747 ret = hclge_get_vf_queue_depth(vport, req, true);
748 if (ret)
749 dev_err(&hdev->pdev->dev,
750 "PF failed(%d) to get Q depth for VF\n",
751 ret);
752 break;
753
dde1a86e
SM		 754 case HCLGE_MBX_GET_TCINFO:
755 ret = hclge_get_vf_tcinfo(vport, req, true);
756 if (ret)
757 dev_err(&hdev->pdev->dev,
758 "PF failed(%d) to get TC info for VF\n",
759 ret);
760 break;
761 case HCLGE_MBX_GET_LINK_STATUS:
762 ret = hclge_get_link_info(vport, req);
763 if (ret)
764 dev_err(&hdev->pdev->dev,
765 "PF fail(%d) to get link stat for VF\n",
766 ret);
767 break;
84e095d6 768 case HCLGE_MBX_QUEUE_RESET:
1a426f8b 769 hclge_mbx_reset_vf_queue(vport, req);
84e095d6 770 break;
2bfbd35d
SM		 771 case HCLGE_MBX_RESET:
772 hclge_reset_vf(vport, req);
773 break;
a6d818e3
YL		 774 case HCLGE_MBX_KEEP_ALIVE:
775 hclge_vf_keep_alive(vport, req);
776 break;
818f1675
YL		 777 case HCLGE_MBX_SET_MTU:
778 ret = hclge_set_vf_mtu(vport, req);
779 if (ret)
780 dev_err(&hdev->pdev->dev,
781 "VF fail(%d) to set mtu\n", ret);
782 break;
0c29d191 783 case HCLGE_MBX_GET_QID_IN_PF:
784 ret = hclge_get_queue_id_in_pf(vport, req);
785 if (ret)
786 dev_err(&hdev->pdev->dev,
787 "PF failed(%d) to get qid for VF\n",
788 ret);
789 break;
a638b1d8
JS		 790 case HCLGE_MBX_GET_RSS_KEY:
791 ret = hclge_get_rss_key(vport, req);
792 if (ret)
793 dev_err(&hdev->pdev->dev,
794 "PF fail(%d) to get rss key for VF\n",
795 ret);
796 break;
9194d18b 797 case HCLGE_MBX_GET_LINK_MODE:
798 hclge_get_link_mode(vport, req);
799 break;
6dd86902 800 case HCLGE_MBX_GET_VF_FLR_STATUS:
801 mutex_lock(&hdev->vport_cfg_mutex);
802 hclge_rm_vport_all_mac_table(vport, true,
803 HCLGE_MAC_ADDR_UC);
804 hclge_rm_vport_all_mac_table(vport, true,
805 HCLGE_MAC_ADDR_MC);
c6075b19 806 hclge_rm_vport_all_vlan_table(vport, true);
6dd86902 807 mutex_unlock(&hdev->vport_cfg_mutex);
808 break;
9c3e7130 809 case HCLGE_MBX_GET_MEDIA_TYPE:
810 ret = hclge_get_vf_media_type(vport, req);
811 if (ret)
812 dev_err(&hdev->pdev->dev,
813 "PF fail(%d) to media type for VF\n",
814 ret);
815 break;
ed8fb4b2
JS		 816 case HCLGE_MBX_PUSH_LINK_STATUS:
817 hclge_handle_link_change_event(hdev, req);
818 break;
8e6de441
HT		 819 case HCLGE_MBX_GET_MAC_ADDR:
820 ret = hclge_get_vf_mac_addr(vport, req);
821 if (ret)
822 dev_err(&hdev->pdev->dev,
823 "PF failed(%d) to get MAC for VF\n",
824 ret);
825 break;
b18bf305
HT		 826 case HCLGE_MBX_NCSI_ERROR:
827 hclge_handle_ncsi_error(hdev);
828 break;
dde1a86e
SM		 829 default:
830 dev_err(&hdev->pdev->dev,
adcf738b 831 "un-supported mailbox message, code = %u\n",
dde1a86e
SM		 832 req->msg[0]);
833 break;
834 }
090e3b53 835 crq->desc[crq->next_to_use].flag = 0;
dde1a86e
SM		 836 hclge_mbx_ring_ptr_move_crq(crq);
837 }
838
839 /* Write back CMDQ_RQ header pointer, M7 need this pointer */
840 hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
841}
Linux 6.x block layer and io_uring tree(s)