drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c

   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 #include "hclge_comm_rss.h"
   8
   9 #define CREATE_TRACE_POINTS
  10 #include "hclge_trace.h"
  11
  12 static u16 hclge_errno_to_resp(int errno)
  13 {
  14         int resp = abs(errno);
  15
  16         /* The status for pf to vf msg cmd is u16, constrainted by HW.
  17          * We need to keep the same type with it.
  18          * The intput errno is the stander error code, it's safely to
  19          * use a u16 to store the abs(errno).
  20          */
  21         return (u16)resp;
  22 }
  23
  24 /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF
  25  * receives a mailbox message from VF.
  26  * @vport: pointer to struct hclge_vport
  27  * @vf_to_pf_req: pointer to hclge_mbx_vf_to_pf_cmd of the original mailbox
  28  *                message
  29  * @resp_status: indicate to VF whether its request success(0) or failed.
  30  */
  31 static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
  32                                 struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
  33                                 struct hclge_respond_to_vf_msg *resp_msg)
  34 {
  35         struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
  36         struct hclge_dev *hdev = vport->back;
  37         enum hclge_comm_cmd_status status;
  38         struct hclge_desc desc;
  39         u16 resp;
  40
  41         resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
  42
  43         if (resp_msg->len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
  44                 dev_err(&hdev->pdev->dev,
  45                         "PF fail to gen resp to VF len %u exceeds max len %u\n",
  46                         resp_msg->len,
  47                         HCLGE_MBX_MAX_RESP_DATA_SIZE);
  48                 /* If resp_msg->len is too long, set the value to max length
  49                  * and return the msg to VF
  50                  */
  51                 resp_msg->len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
  52         }
  53
  54         hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
  55
  56         resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
  57         resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
  58         resp_pf_to_vf->match_id = vf_to_pf_req->match_id;
  59
  60         resp_pf_to_vf->msg.code = cpu_to_le16(HCLGE_MBX_PF_VF_RESP);
  61         resp_pf_to_vf->msg.vf_mbx_msg_code =
  62                                 cpu_to_le16(vf_to_pf_req->msg.code);
  63         resp_pf_to_vf->msg.vf_mbx_msg_subcode =
  64                                 cpu_to_le16(vf_to_pf_req->msg.subcode);
  65         resp = hclge_errno_to_resp(resp_msg->status);
  66         if (resp < SHRT_MAX) {
  67                 resp_pf_to_vf->msg.resp_status = cpu_to_le16(resp);
  68         } else {
  69                 dev_warn(&hdev->pdev->dev,
  70                          "failed to send response to VF, response status %u is out-of-bound\n",
  71                          resp);
  72                 resp_pf_to_vf->msg.resp_status = cpu_to_le16(EIO);
  73         }
  74
  75         if (resp_msg->len > 0)
  76                 memcpy(resp_pf_to_vf->msg.resp_data, resp_msg->data,
  77                        resp_msg->len);
  78
  79         trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
  80
  81         status = hclge_cmd_send(&hdev->hw, &desc, 1);
  82         if (status)
  83                 dev_err(&hdev->pdev->dev,
  84                         "failed to send response to VF, status: %d, vfid: %u, code: %u, subcode: %u.\n",
  85                         status, vf_to_pf_req->mbx_src_vfid,
  86                         vf_to_pf_req->msg.code, vf_to_pf_req->msg.subcode);
  87
  88         return status;
  89 }
  90
  91 static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
  92                               u16 mbx_opcode, u8 dest_vfid)
  93 {
  94         struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
  95         struct hclge_dev *hdev = vport->back;
  96         enum hclge_comm_cmd_status status;
  97         struct hclge_desc desc;
  98
  99         if (msg_len > HCLGE_MBX_MAX_MSG_SIZE) {
 100                 dev_err(&hdev->pdev->dev,
 101                         "msg data length(=%u) exceeds maximum(=%u)\n",
 102                         msg_len, HCLGE_MBX_MAX_MSG_SIZE);
 103                 return -EMSGSIZE;
 104         }
 105
 106         resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
 107
 108         hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
 109
 110         resp_pf_to_vf->dest_vfid = dest_vfid;
 111         resp_pf_to_vf->msg_len = msg_len;
 112         resp_pf_to_vf->msg.code = cpu_to_le16(mbx_opcode);
 113
 114         memcpy(resp_pf_to_vf->msg.msg_data, msg, msg_len);
 115
 116         trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
 117
 118         status = hclge_cmd_send(&hdev->hw, &desc, 1);
 119         if (status)
 120                 dev_err(&hdev->pdev->dev,
 121                         "failed to send mailbox to VF, status: %d, vfid: %u, opcode: %u\n",
 122                         status, dest_vfid, mbx_opcode);
 123
 124         return status;
 125 }
 126
 127 int hclge_inform_vf_reset(struct hclge_vport *vport, u16 reset_type)
 128 {
 129         __le16 msg_data;
 130         u8 dest_vfid;
 131
 132         dest_vfid = (u8)vport->vport_id;
 133         msg_data = cpu_to_le16(reset_type);
 134
 135         /* send this requested info to VF */
 136         return hclge_send_mbx_msg(vport, (u8 *)&msg_data, sizeof(msg_data),
 137                                   HCLGE_MBX_ASSERTING_RESET, dest_vfid);
 138 }
 139
 140 int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
 141 {
 142         struct hclge_dev *hdev = vport->back;
 143         u16 reset_type;
 144
 145         BUILD_BUG_ON(HNAE3_MAX_RESET > U16_MAX);
 146
 147         if (hdev->reset_type == HNAE3_FUNC_RESET)
 148                 reset_type = HNAE3_VF_PF_FUNC_RESET;
 149         else if (hdev->reset_type == HNAE3_FLR_RESET)
 150                 reset_type = HNAE3_VF_FULL_RESET;
 151         else
 152                 reset_type = HNAE3_VF_FUNC_RESET;
 153
 154         return hclge_inform_vf_reset(vport, reset_type);
 155 }
 156
 157 static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
 158 {
 159         struct hnae3_ring_chain_node *chain_tmp, *chain;
 160
 161         chain = head->next;
 162
 163         while (chain) {
 164                 chain_tmp = chain->next;
 165                 kfree_sensitive(chain);
 166                 chain = chain_tmp;
 167         }
 168 }
 169
 170 /* hclge_get_ring_chain_from_mbx: get ring type & tqp id & int_gl idx
 171  * from mailbox message
 172  * msg[0]: opcode
 173  * msg[1]: <not relevant to this function>
 174  * msg[2]: ring_num
 175  * msg[3]: first ring type (TX|RX)
 176  * msg[4]: first tqp id
 177  * msg[5]: first int_gl idx
 178  * msg[6] ~ msg[14]: other ring type, tqp id and int_gl idx
 179  */
 180 static int hclge_get_ring_chain_from_mbx(
 181                         struct hclge_mbx_vf_to_pf_cmd *req,
 182                         struct hnae3_ring_chain_node *ring_chain,
 183                         struct hclge_vport *vport)
 184 {
 185         struct hnae3_ring_chain_node *cur_chain, *new_chain;
 186         struct hclge_dev *hdev = vport->back;
 187         int ring_num;
 188         int i;
 189
 190         ring_num = req->msg.ring_num;
 191
 192         if (ring_num > HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM)
 193                 return -EINVAL;
 194
 195         for (i = 0; i < ring_num; i++) {
 196                 if (req->msg.param[i].tqp_index >= vport->nic.kinfo.rss_size) {
 197                         dev_err(&hdev->pdev->dev, "tqp index(%u) is out of range(0-%u)\n",
 198                                 req->msg.param[i].tqp_index,
 199                                 vport->nic.kinfo.rss_size - 1U);
 200                         return -EINVAL;
 201                 }
 202         }
 203
 204         hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B,
 205                       req->msg.param[0].ring_type);
 206         ring_chain->tqp_index =
 207                 hclge_get_queue_id(vport->nic.kinfo.tqp
 208                                    [req->msg.param[0].tqp_index]);
 209         hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
 210                         HNAE3_RING_GL_IDX_S, req->msg.param[0].int_gl_index);
 211
 212         cur_chain = ring_chain;
 213
 214         for (i = 1; i < ring_num; i++) {
 215                 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
 216                 if (!new_chain)
 217                         goto err;
 218
 219                 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
 220                               req->msg.param[i].ring_type);
 221
 222                 new_chain->tqp_index =
 223                 hclge_get_queue_id(vport->nic.kinfo.tqp
 224                         [req->msg.param[i].tqp_index]);
 225
 226                 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
 227                                 HNAE3_RING_GL_IDX_S,
 228                                 req->msg.param[i].int_gl_index);
 229
 230                 cur_chain->next = new_chain;
 231                 cur_chain = new_chain;
 232         }
 233
 234         return 0;
 235 err:
 236         hclge_free_vector_ring_chain(ring_chain);
 237         return -ENOMEM;
 238 }
 239
 240 static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
 241                                              struct hclge_mbx_vf_to_pf_cmd *req)
 242 {
 243         struct hnae3_ring_chain_node ring_chain;
 244         int vector_id = req->msg.vector_id;
 245         int ret;
 246
 247         memset(&ring_chain, 0, sizeof(ring_chain));
 248         ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
 249         if (ret)
 250                 return ret;
 251
 252         ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
 253
 254         hclge_free_vector_ring_chain(&ring_chain);
 255
 256         return ret;
 257 }
 258
 259 static int hclge_query_ring_vector_map(struct hclge_vport *vport,
 260                                        struct hnae3_ring_chain_node *ring_chain,
 261                                        struct hclge_desc *desc)
 262 {
 263         struct hclge_ctrl_vector_chain_cmd *req =
 264                 (struct hclge_ctrl_vector_chain_cmd *)desc->data;
 265         struct hclge_dev *hdev = vport->back;
 266         u16 tqp_type_and_id;
 267         int status;
 268
 269         hclge_cmd_setup_basic_desc(desc, HCLGE_OPC_ADD_RING_TO_VECTOR, true);
 270
 271         tqp_type_and_id = le16_to_cpu(req->tqp_type_and_id[0]);
 272         hnae3_set_field(tqp_type_and_id, HCLGE_INT_TYPE_M, HCLGE_INT_TYPE_S,
 273                         hnae3_get_bit(ring_chain->flag, HNAE3_RING_TYPE_B));
 274         hnae3_set_field(tqp_type_and_id, HCLGE_TQP_ID_M, HCLGE_TQP_ID_S,
 275                         ring_chain->tqp_index);
 276         req->tqp_type_and_id[0] = cpu_to_le16(tqp_type_and_id);
 277         req->vfid = vport->vport_id;
 278
 279         status = hclge_cmd_send(&hdev->hw, desc, 1);
 280         if (status)
 281                 dev_err(&hdev->pdev->dev,
 282                         "Get VF ring vector map info fail, status is %d.\n",
 283                         status);
 284
 285         return status;
 286 }
 287
 288 static int hclge_get_vf_ring_vector_map(struct hclge_vport *vport,
 289                                         struct hclge_mbx_vf_to_pf_cmd *req,
 290                                         struct hclge_respond_to_vf_msg *resp)
 291 {
 292 #define HCLGE_LIMIT_RING_NUM                    1
 293 #define HCLGE_RING_TYPE_OFFSET                  0
 294 #define HCLGE_TQP_INDEX_OFFSET                  1
 295 #define HCLGE_INT_GL_INDEX_OFFSET               2
 296 #define HCLGE_VECTOR_ID_OFFSET                  3
 297 #define HCLGE_RING_VECTOR_MAP_INFO_LEN          4
 298         struct hnae3_ring_chain_node ring_chain;
 299         struct hclge_desc desc;
 300         struct hclge_ctrl_vector_chain_cmd *data =
 301                 (struct hclge_ctrl_vector_chain_cmd *)desc.data;
 302         u16 tqp_type_and_id;
 303         u8 int_gl_index;
 304         int ret;
 305
 306         req->msg.ring_num = HCLGE_LIMIT_RING_NUM;
 307
 308         memset(&ring_chain, 0, sizeof(ring_chain));
 309         ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
 310         if (ret)
 311                 return ret;
 312
 313         ret = hclge_query_ring_vector_map(vport, &ring_chain, &desc);
 314         if (ret) {
 315                 hclge_free_vector_ring_chain(&ring_chain);
 316                 return ret;
 317         }
 318
 319         tqp_type_and_id = le16_to_cpu(data->tqp_type_and_id[0]);
 320         int_gl_index = hnae3_get_field(tqp_type_and_id,
 321                                        HCLGE_INT_GL_IDX_M, HCLGE_INT_GL_IDX_S);
 322
 323         resp->data[HCLGE_RING_TYPE_OFFSET] = req->msg.param[0].ring_type;
 324         resp->data[HCLGE_TQP_INDEX_OFFSET] = req->msg.param[0].tqp_index;
 325         resp->data[HCLGE_INT_GL_INDEX_OFFSET] = int_gl_index;
 326         resp->data[HCLGE_VECTOR_ID_OFFSET] = data->int_vector_id_l;
 327         resp->len = HCLGE_RING_VECTOR_MAP_INFO_LEN;
 328
 329         hclge_free_vector_ring_chain(&ring_chain);
 330
 331         return ret;
 332 }
 333
 334 static void hclge_set_vf_promisc_mode(struct hclge_vport *vport,
 335                                       struct hclge_mbx_vf_to_pf_cmd *req)
 336 {
 337         struct hnae3_handle *handle = &vport->nic;
 338         struct hclge_dev *hdev = vport->back;
 339
 340         vport->vf_info.request_uc_en = req->msg.en_uc;
 341         vport->vf_info.request_mc_en = req->msg.en_mc;
 342         vport->vf_info.request_bc_en = req->msg.en_bc;
 343
 344         if (req->msg.en_limit_promisc)
 345                 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
 346         else
 347                 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC,
 348                           &handle->priv_flags);
 349
 350         set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
 351         hclge_task_schedule(hdev, 0);
 352 }
 353
 354 static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
 355                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 356 {
 357 #define HCLGE_MBX_VF_OLD_MAC_ADDR_OFFSET        6
 358
 359         const u8 *mac_addr = (const u8 *)(mbx_req->msg.data);
 360         struct hclge_dev *hdev = vport->back;
 361         int status;
 362
 363         if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
 364                 const u8 *old_addr = (const u8 *)
 365                 (&mbx_req->msg.data[HCLGE_MBX_VF_OLD_MAC_ADDR_OFFSET]);
 366
 367                 /* If VF MAC has been configured by the host then it
 368                  * cannot be overridden by the MAC specified by the VM.
 369                  */
 370                 if (!is_zero_ether_addr(vport->vf_info.mac) &&
 371                     !ether_addr_equal(mac_addr, vport->vf_info.mac))
 372                         return -EPERM;
 373
 374                 if (!is_valid_ether_addr(mac_addr))
 375                         return -EINVAL;
 376
 377                 spin_lock_bh(&vport->mac_list_lock);
 378                 status = hclge_update_mac_node_for_dev_addr(vport, old_addr,
 379                                                             mac_addr);
 380                 spin_unlock_bh(&vport->mac_list_lock);
 381                 hclge_task_schedule(hdev, 0);
 382         } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_ADD) {
 383                 status = hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
 384                                                HCLGE_MAC_ADDR_UC, mac_addr);
 385         } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
 386                 status = hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
 387                                                HCLGE_MAC_ADDR_UC, mac_addr);
 388         } else {
 389                 dev_err(&hdev->pdev->dev,
 390                         "failed to set unicast mac addr, unknown subcode %u\n",
 391                         mbx_req->msg.subcode);
 392                 return -EIO;
 393         }
 394
 395         return status;
 396 }
 397
 398 static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
 399                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 400 {
 401         const u8 *mac_addr = (const u8 *)(mbx_req->msg.data);
 402         struct hclge_dev *hdev = vport->back;
 403
 404         if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_ADD) {
 405                 hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
 406                                       HCLGE_MAC_ADDR_MC, mac_addr);
 407         } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
 408                 hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
 409                                       HCLGE_MAC_ADDR_MC, mac_addr);
 410         } else {
 411                 dev_err(&hdev->pdev->dev,
 412                         "failed to set mcast mac addr, unknown subcode %u\n",
 413                         mbx_req->msg.subcode);
 414                 return -EIO;
 415         }
 416
 417         return 0;
 418 }
 419
 420 int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
 421                                       u16 state,
 422                                       struct hclge_vlan_info *vlan_info)
 423 {
 424         struct hclge_mbx_port_base_vlan base_vlan;
 425
 426         base_vlan.state = cpu_to_le16(state);
 427         base_vlan.vlan_proto = cpu_to_le16(vlan_info->vlan_proto);
 428         base_vlan.qos = cpu_to_le16(vlan_info->qos);
 429         base_vlan.vlan_tag = cpu_to_le16(vlan_info->vlan_tag);
 430
 431         return hclge_send_mbx_msg(vport, (u8 *)&base_vlan, sizeof(base_vlan),
 432                                   HCLGE_MBX_PUSH_VLAN_INFO, vfid);
 433 }
 434
 435 static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
 436                                  struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 437                                  struct hclge_respond_to_vf_msg *resp_msg)
 438 {
 439 #define HCLGE_MBX_VLAN_STATE_OFFSET     0
 440 #define HCLGE_MBX_VLAN_INFO_OFFSET      2
 441
 442         struct hnae3_handle *handle = &vport->nic;
 443         struct hclge_dev *hdev = vport->back;
 444         struct hclge_vf_vlan_cfg *msg_cmd;
 445         __be16 proto;
 446         u16 vlan_id;
 447
 448         msg_cmd = (struct hclge_vf_vlan_cfg *)&mbx_req->msg;
 449         switch (msg_cmd->subcode) {
 450         case HCLGE_MBX_VLAN_FILTER:
 451                 proto = cpu_to_be16(le16_to_cpu(msg_cmd->proto));
 452                 vlan_id = le16_to_cpu(msg_cmd->vlan);
 453                 return hclge_set_vlan_filter(handle, proto, vlan_id,
 454                                              msg_cmd->is_kill);
 455         case HCLGE_MBX_VLAN_RX_OFF_CFG:
 456                 return hclge_en_hw_strip_rxvtag(handle, msg_cmd->enable);
 457         case HCLGE_MBX_GET_PORT_BASE_VLAN_STATE:
 458                 /* vf does not need to know about the port based VLAN state
 459                  * on device HNAE3_DEVICE_VERSION_V3. So always return disable
 460                  * on device HNAE3_DEVICE_VERSION_V3 if vf queries the port
 461                  * based VLAN state.
 462                  */
 463                 resp_msg->data[0] =
 464                         hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3 ?
 465                         HNAE3_PORT_BASE_VLAN_DISABLE :
 466                         vport->port_base_vlan_cfg.state;
 467                 resp_msg->len = sizeof(u8);
 468                 return 0;
 469         case HCLGE_MBX_ENABLE_VLAN_FILTER:
 470                 return hclge_enable_vport_vlan_filter(vport, msg_cmd->enable);
 471         default:
 472                 return 0;
 473         }
 474 }
 475
 476 static int hclge_set_vf_alive(struct hclge_vport *vport,
 477                               struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 478 {
 479         bool alive = !!mbx_req->msg.data[0];
 480         int ret = 0;
 481
 482         if (alive)
 483                 ret = hclge_vport_start(vport);
 484         else
 485                 hclge_vport_stop(vport);
 486
 487         return ret;
 488 }
 489
 490 static void hclge_get_basic_info(struct hclge_vport *vport,
 491                                  struct hclge_respond_to_vf_msg *resp_msg)
 492 {
 493         struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
 494         struct hnae3_ae_dev *ae_dev = vport->back->ae_dev;
 495         struct hclge_basic_info *basic_info;
 496         unsigned int i;
 497         u32 pf_caps;
 498
 499         basic_info = (struct hclge_basic_info *)resp_msg->data;
 500         for (i = 0; i < kinfo->tc_info.num_tc; i++)
 501                 basic_info->hw_tc_map |= BIT(i);
 502
 503         pf_caps = le32_to_cpu(basic_info->pf_caps);
 504         if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))
 505                 hnae3_set_bit(pf_caps, HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B, 1);
 506
 507         basic_info->pf_caps = cpu_to_le32(pf_caps);
 508         resp_msg->len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
 509 }
 510
 511 static void hclge_get_vf_queue_info(struct hclge_vport *vport,
 512                                     struct hclge_respond_to_vf_msg *resp_msg)
 513 {
 514 #define HCLGE_TQPS_RSS_INFO_LEN         6
 515
 516         struct hclge_mbx_vf_queue_info *queue_info;
 517         struct hclge_dev *hdev = vport->back;
 518
 519         /* get the queue related info */
 520         queue_info = (struct hclge_mbx_vf_queue_info *)resp_msg->data;
 521         queue_info->num_tqps = cpu_to_le16(vport->alloc_tqps);
 522         queue_info->rss_size = cpu_to_le16(vport->nic.kinfo.rss_size);
 523         queue_info->rx_buf_len = cpu_to_le16(hdev->rx_buf_len);
 524         resp_msg->len = HCLGE_TQPS_RSS_INFO_LEN;
 525 }
 526
 527 static void hclge_get_vf_mac_addr(struct hclge_vport *vport,
 528                                   struct hclge_respond_to_vf_msg *resp_msg)
 529 {
 530         ether_addr_copy(resp_msg->data, vport->vf_info.mac);
 531         resp_msg->len = ETH_ALEN;
 532 }
 533
 534 static void hclge_get_vf_queue_depth(struct hclge_vport *vport,
 535                                      struct hclge_respond_to_vf_msg *resp_msg)
 536 {
 537 #define HCLGE_TQPS_DEPTH_INFO_LEN       4
 538
 539         struct hclge_mbx_vf_queue_depth *queue_depth;
 540         struct hclge_dev *hdev = vport->back;
 541
 542         /* get the queue depth info */
 543         queue_depth = (struct hclge_mbx_vf_queue_depth *)resp_msg->data;
 544         queue_depth->num_tx_desc = cpu_to_le16(hdev->num_tx_desc);
 545         queue_depth->num_rx_desc = cpu_to_le16(hdev->num_rx_desc);
 546
 547         resp_msg->len = HCLGE_TQPS_DEPTH_INFO_LEN;
 548 }
 549
 550 static void hclge_get_vf_media_type(struct hclge_vport *vport,
 551                                     struct hclge_respond_to_vf_msg *resp_msg)
 552 {
 553 #define HCLGE_VF_MEDIA_TYPE_OFFSET      0
 554 #define HCLGE_VF_MODULE_TYPE_OFFSET     1
 555 #define HCLGE_VF_MEDIA_TYPE_LENGTH      2
 556
 557         struct hclge_dev *hdev = vport->back;
 558
 559         resp_msg->data[HCLGE_VF_MEDIA_TYPE_OFFSET] =
 560                 hdev->hw.mac.media_type;
 561         resp_msg->data[HCLGE_VF_MODULE_TYPE_OFFSET] =
 562                 hdev->hw.mac.module_type;
 563         resp_msg->len = HCLGE_VF_MEDIA_TYPE_LENGTH;
 564 }
 565
 566 int hclge_push_vf_link_status(struct hclge_vport *vport)
 567 {
 568 #define HCLGE_VF_LINK_STATE_UP          1U
 569 #define HCLGE_VF_LINK_STATE_DOWN        0U
 570
 571         struct hclge_mbx_link_status link_info;
 572         struct hclge_dev *hdev = vport->back;
 573         u16 link_status;
 574
 575         /* mac.link can only be 0 or 1 */
 576         switch (vport->vf_info.link_state) {
 577         case IFLA_VF_LINK_STATE_ENABLE:
 578                 link_status = HCLGE_VF_LINK_STATE_UP;
 579                 break;
 580         case IFLA_VF_LINK_STATE_DISABLE:
 581                 link_status = HCLGE_VF_LINK_STATE_DOWN;
 582                 break;
 583         case IFLA_VF_LINK_STATE_AUTO:
 584         default:
 585                 link_status = (u16)hdev->hw.mac.link;
 586                 break;
 587         }
 588
 589         link_info.link_status = cpu_to_le16(link_status);
 590         link_info.speed = cpu_to_le32(hdev->hw.mac.speed);
 591         link_info.duplex = cpu_to_le16(hdev->hw.mac.duplex);
 592         link_info.flag = HCLGE_MBX_PUSH_LINK_STATUS_EN;
 593
 594         /* send this requested info to VF */
 595         return hclge_send_mbx_msg(vport, (u8 *)&link_info, sizeof(link_info),
 596                                   HCLGE_MBX_LINK_STAT_CHANGE, vport->vport_id);
 597 }
 598
 599 static void hclge_get_link_mode(struct hclge_vport *vport,
 600                                 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 601 {
 602 #define HCLGE_SUPPORTED   1
 603         struct hclge_mbx_link_mode link_mode;
 604         struct hclge_dev *hdev = vport->back;
 605         unsigned long advertising;
 606         unsigned long supported;
 607         unsigned long send_data;
 608         u8 dest_vfid;
 609
 610         advertising = hdev->hw.mac.advertising[0];
 611         supported = hdev->hw.mac.supported[0];
 612         dest_vfid = mbx_req->mbx_src_vfid;
 613         send_data = mbx_req->msg.data[0] == HCLGE_SUPPORTED ? supported :
 614                                                               advertising;
 615         link_mode.idx = cpu_to_le16((u16)mbx_req->msg.data[0]);
 616         link_mode.link_mode = cpu_to_le64(send_data);
 617
 618         hclge_send_mbx_msg(vport, (u8 *)&link_mode, sizeof(link_mode),
 619                            HCLGE_MBX_LINK_STAT_MODE, dest_vfid);
 620 }
 621
 622 static int hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
 623                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 624                                     struct hclge_respond_to_vf_msg *resp_msg)
 625 {
 626 #define HCLGE_RESET_ALL_QUEUE_DONE      1U
 627         struct hnae3_handle *handle = &vport->nic;
 628         struct hclge_dev *hdev = vport->back;
 629         u16 queue_id;
 630         int ret;
 631
 632         queue_id = le16_to_cpu(*(__le16 *)mbx_req->msg.data);
 633         resp_msg->data[0] = HCLGE_RESET_ALL_QUEUE_DONE;
 634         resp_msg->len = sizeof(u8);
 635
 636         /* pf will reset vf's all queues at a time. So it is unnecessary
 637          * to reset queues if queue_id > 0, just return success.
 638          */
 639         if (queue_id > 0)
 640                 return 0;
 641
 642         ret = hclge_reset_tqp(handle);
 643         if (ret)
 644                 dev_err(&hdev->pdev->dev, "failed to reset vf %u queue, ret = %d\n",
 645                         vport->vport_id - HCLGE_VF_VPORT_START_NUM, ret);
 646
 647         return ret;
 648 }
 649
 650 static int hclge_reset_vf(struct hclge_vport *vport)
 651 {
 652         struct hclge_dev *hdev = vport->back;
 653
 654         dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %u!",
 655                  vport->vport_id - HCLGE_VF_VPORT_START_NUM);
 656
 657         return hclge_func_reset_cmd(hdev, vport->vport_id);
 658 }
 659
 660 static void hclge_notify_vf_config(struct hclge_vport *vport)
 661 {
 662         struct hclge_dev *hdev = vport->back;
 663         struct hnae3_ae_dev *ae_dev = pci_get_drvdata(hdev->pdev);
 664         struct hclge_port_base_vlan_config *vlan_cfg;
 665         int ret;
 666
 667         hclge_push_vf_link_status(vport);
 668         if (test_bit(HCLGE_VPORT_NEED_NOTIFY_RESET, &vport->need_notify)) {
 669                 ret = hclge_inform_vf_reset(vport, HNAE3_VF_PF_FUNC_RESET);
 670                 if (ret) {
 671                         dev_err(&hdev->pdev->dev,
 672                                 "failed to inform VF %u reset!",
 673                                 vport->vport_id - HCLGE_VF_VPORT_START_NUM);
 674                         return;
 675                 }
 676                 vport->need_notify = 0;
 677                 return;
 678         }
 679
 680         if (ae_dev->dev_version < HNAE3_DEVICE_VERSION_V3 &&
 681             test_bit(HCLGE_VPORT_NEED_NOTIFY_VF_VLAN, &vport->need_notify)) {
 682                 vlan_cfg = &vport->port_base_vlan_cfg;
 683                 ret = hclge_push_vf_port_base_vlan_info(&hdev->vport[0],
 684                                                         vport->vport_id,
 685                                                         vlan_cfg->state,
 686                                                         &vlan_cfg->vlan_info);
 687                 if (ret) {
 688                         dev_err(&hdev->pdev->dev,
 689                                 "failed to inform VF %u port base vlan!",
 690                                 vport->vport_id - HCLGE_VF_VPORT_START_NUM);
 691                         return;
 692                 }
 693                 clear_bit(HCLGE_VPORT_NEED_NOTIFY_VF_VLAN, &vport->need_notify);
 694         }
 695 }
 696
 697 static void hclge_vf_keep_alive(struct hclge_vport *vport)
 698 {
 699         struct hclge_dev *hdev = vport->back;
 700
 701         vport->last_active_jiffies = jiffies;
 702
 703         if (test_bit(HCLGE_VPORT_STATE_INITED, &vport->state) &&
 704             !test_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state)) {
 705                 set_bit(HCLGE_VPORT_STATE_ALIVE, &vport->state);
 706                 dev_info(&hdev->pdev->dev, "VF %u is alive!",
 707                          vport->vport_id - HCLGE_VF_VPORT_START_NUM);
 708                 hclge_notify_vf_config(vport);
 709         }
 710 }
 711
 712 static int hclge_set_vf_mtu(struct hclge_vport *vport,
 713                             struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 714 {
 715         struct hclge_mbx_mtu_info *mtu_info;
 716         u32 mtu;
 717
 718         mtu_info = (struct hclge_mbx_mtu_info *)mbx_req->msg.data;
 719         mtu = le32_to_cpu(mtu_info->mtu);
 720
 721         return hclge_set_vport_mtu(vport, mtu);
 722 }
 723
 724 static int hclge_get_queue_id_in_pf(struct hclge_vport *vport,
 725                                     struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 726                                     struct hclge_respond_to_vf_msg *resp_msg)
 727 {
 728         struct hnae3_handle *handle = &vport->nic;
 729         struct hclge_dev *hdev = vport->back;
 730         u16 queue_id, qid_in_pf;
 731
 732         queue_id = le16_to_cpu(*(__le16 *)mbx_req->msg.data);
 733         if (queue_id >= handle->kinfo.num_tqps) {
 734                 dev_err(&hdev->pdev->dev, "Invalid queue id(%u) from VF %u\n",
 735                         queue_id, mbx_req->mbx_src_vfid);
 736                 return -EINVAL;
 737         }
 738
 739         qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
 740         *(__le16 *)resp_msg->data = cpu_to_le16(qid_in_pf);
 741         resp_msg->len = sizeof(qid_in_pf);
 742         return 0;
 743 }
 744
 745 static int hclge_get_rss_key(struct hclge_vport *vport,
 746                              struct hclge_mbx_vf_to_pf_cmd *mbx_req,
 747                              struct hclge_respond_to_vf_msg *resp_msg)
 748 {
 749 #define HCLGE_RSS_MBX_RESP_LEN  8
 750         struct hclge_dev *hdev = vport->back;
 751         struct hclge_comm_rss_cfg *rss_cfg;
 752         u8 index;
 753
 754         index = mbx_req->msg.data[0];
 755         rss_cfg = &hdev->rss_cfg;
 756
 757         /* Check the query index of rss_hash_key from VF, make sure no
 758          * more than the size of rss_hash_key.
 759          */
 760         if (((index + 1) * HCLGE_RSS_MBX_RESP_LEN) >
 761               sizeof(rss_cfg->rss_hash_key)) {
 762                 dev_warn(&hdev->pdev->dev,
 763                          "failed to get the rss hash key, the index(%u) invalid !\n",
 764                          index);
 765                 return -EINVAL;
 766         }
 767
 768         memcpy(resp_msg->data,
 769                &rss_cfg->rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN],
 770                HCLGE_RSS_MBX_RESP_LEN);
 771         resp_msg->len = HCLGE_RSS_MBX_RESP_LEN;
 772         return 0;
 773 }
 774
 775 static void hclge_link_fail_parse(struct hclge_dev *hdev, u8 link_fail_code)
 776 {
 777         switch (link_fail_code) {
 778         case HCLGE_LF_REF_CLOCK_LOST:
 779                 dev_warn(&hdev->pdev->dev, "Reference clock lost!\n");
 780                 break;
 781         case HCLGE_LF_XSFP_TX_DISABLE:
 782                 dev_warn(&hdev->pdev->dev, "SFP tx is disabled!\n");
 783                 break;
 784         case HCLGE_LF_XSFP_ABSENT:
 785                 dev_warn(&hdev->pdev->dev, "SFP is absent!\n");
 786                 break;
 787         default:
 788                 break;
 789         }
 790 }
 791
 792 static void hclge_handle_link_change_event(struct hclge_dev *hdev,
 793                                            struct hclge_mbx_vf_to_pf_cmd *req)
 794 {
 795         hclge_task_schedule(hdev, 0);
 796
 797         if (!req->msg.subcode)
 798                 hclge_link_fail_parse(hdev, req->msg.data[0]);
 799 }
 800
 801 static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
 802 {
 803         u32 tail = hclge_read_dev(hw, HCLGE_COMM_NIC_CRQ_TAIL_REG);
 804
 805         return tail == hw->hw.cmq.crq.next_to_use;
 806 }
 807
 808 static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
 809 {
 810         struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
 811
 812         ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET);
 813         dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n");
 814         ae_dev->ops->reset_event(hdev->pdev, NULL);
 815 }
 816
 817 static void hclge_handle_vf_tbl(struct hclge_vport *vport,
 818                                 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
 819 {
 820         struct hclge_dev *hdev = vport->back;
 821         struct hclge_vf_vlan_cfg *msg_cmd;
 822
 823         msg_cmd = (struct hclge_vf_vlan_cfg *)&mbx_req->msg;
 824         if (msg_cmd->subcode == HCLGE_MBX_VPORT_LIST_CLEAR) {
 825                 hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_UC);
 826                 hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_MC);
 827                 hclge_rm_vport_all_vlan_table(vport, true);
 828         } else {
 829                 dev_warn(&hdev->pdev->dev, "Invalid cmd(%u)\n",
 830                          msg_cmd->subcode);
 831         }
 832 }
 833
 834 static int
 835 hclge_mbx_map_ring_to_vector_handler(struct hclge_mbx_ops_param *param)
 836 {
 837         return hclge_map_unmap_ring_to_vf_vector(param->vport, true,
 838                                                  param->req);
 839 }
 840
 841 static int
 842 hclge_mbx_unmap_ring_to_vector_handler(struct hclge_mbx_ops_param *param)
 843 {
 844         return hclge_map_unmap_ring_to_vf_vector(param->vport, false,
 845                                                  param->req);
 846 }
 847
 848 static int
 849 hclge_mbx_get_ring_vector_map_handler(struct hclge_mbx_ops_param *param)
 850 {
 851         int ret;
 852
 853         ret = hclge_get_vf_ring_vector_map(param->vport, param->req,
 854                                            param->resp_msg);
 855         if (ret)
 856                 dev_err(&param->vport->back->pdev->dev,
 857                         "PF fail(%d) to get VF ring vector map\n",
 858                         ret);
 859         return ret;
 860 }
 861
 862 static int hclge_mbx_set_promisc_mode_handler(struct hclge_mbx_ops_param *param)
 863 {
 864         hclge_set_vf_promisc_mode(param->vport, param->req);
 865         return 0;
 866 }
 867
 868 static int hclge_mbx_set_unicast_handler(struct hclge_mbx_ops_param *param)
 869 {
 870         int ret;
 871
 872         ret = hclge_set_vf_uc_mac_addr(param->vport, param->req);
 873         if (ret)
 874                 dev_err(&param->vport->back->pdev->dev,
 875                         "PF fail(%d) to set VF UC MAC Addr\n",
 876                         ret);
 877         return ret;
 878 }
 879
 880 static int hclge_mbx_set_multicast_handler(struct hclge_mbx_ops_param *param)
 881 {
 882         int ret;
 883
 884         ret = hclge_set_vf_mc_mac_addr(param->vport, param->req);
 885         if (ret)
 886                 dev_err(&param->vport->back->pdev->dev,
 887                         "PF fail(%d) to set VF MC MAC Addr\n",
 888                         ret);
 889         return ret;
 890 }
 891
 892 static int hclge_mbx_set_vlan_handler(struct hclge_mbx_ops_param *param)
 893 {
 894         int ret;
 895
 896         ret = hclge_set_vf_vlan_cfg(param->vport, param->req, param->resp_msg);
 897         if (ret)
 898                 dev_err(&param->vport->back->pdev->dev,
 899                         "PF failed(%d) to config VF's VLAN\n",
 900                         ret);
 901         return ret;
 902 }
 903
 904 static int hclge_mbx_set_alive_handler(struct hclge_mbx_ops_param *param)
 905 {
 906         int ret;
 907
 908         ret = hclge_set_vf_alive(param->vport, param->req);
 909         if (ret)
 910                 dev_err(&param->vport->back->pdev->dev,
 911                         "PF failed(%d) to set VF's ALIVE\n",
 912                         ret);
 913         return ret;
 914 }
 915
 916 static int hclge_mbx_get_qinfo_handler(struct hclge_mbx_ops_param *param)
 917 {
 918         hclge_get_vf_queue_info(param->vport, param->resp_msg);
 919         return 0;
 920 }
 921
 922 static int hclge_mbx_get_qdepth_handler(struct hclge_mbx_ops_param *param)
 923 {
 924         hclge_get_vf_queue_depth(param->vport, param->resp_msg);
 925         return 0;
 926 }
 927
 928 static int hclge_mbx_get_basic_info_handler(struct hclge_mbx_ops_param *param)
 929 {
 930         hclge_get_basic_info(param->vport, param->resp_msg);
 931         return 0;
 932 }
 933
 934 static int hclge_mbx_get_link_status_handler(struct hclge_mbx_ops_param *param)
 935 {
 936         int ret;
 937
 938         ret = hclge_push_vf_link_status(param->vport);
 939         if (ret)
 940                 dev_err(&param->vport->back->pdev->dev,
 941                         "failed to inform link stat to VF, ret = %d\n",
 942                         ret);
 943         return ret;
 944 }
 945
 946 static int hclge_mbx_queue_reset_handler(struct hclge_mbx_ops_param *param)
 947 {
 948         return hclge_mbx_reset_vf_queue(param->vport, param->req,
 949                                         param->resp_msg);
 950 }
 951
 952 static int hclge_mbx_reset_handler(struct hclge_mbx_ops_param *param)
 953 {
 954         return hclge_reset_vf(param->vport);
 955 }
 956
 957 static int hclge_mbx_keep_alive_handler(struct hclge_mbx_ops_param *param)
 958 {
 959         hclge_vf_keep_alive(param->vport);
 960         return 0;
 961 }
 962
 963 static int hclge_mbx_set_mtu_handler(struct hclge_mbx_ops_param *param)
 964 {
 965         int ret;
 966
 967         ret = hclge_set_vf_mtu(param->vport, param->req);
 968         if (ret)
 969                 dev_err(&param->vport->back->pdev->dev,
 970                         "VF fail(%d) to set mtu\n", ret);
 971         return ret;
 972 }
 973
 974 static int hclge_mbx_get_qid_in_pf_handler(struct hclge_mbx_ops_param *param)
 975 {
 976         return hclge_get_queue_id_in_pf(param->vport, param->req,
 977                                         param->resp_msg);
 978 }
 979
 980 static int hclge_mbx_get_rss_key_handler(struct hclge_mbx_ops_param *param)
 981 {
 982         return hclge_get_rss_key(param->vport, param->req, param->resp_msg);
 983 }
 984
 985 static int hclge_mbx_get_link_mode_handler(struct hclge_mbx_ops_param *param)
 986 {
 987         hclge_get_link_mode(param->vport, param->req);
 988         return 0;
 989 }
 990
 991 static int
 992 hclge_mbx_get_vf_flr_status_handler(struct hclge_mbx_ops_param *param)
 993 {
 994         hclge_rm_vport_all_mac_table(param->vport, false,
 995                                      HCLGE_MAC_ADDR_UC);
 996         hclge_rm_vport_all_mac_table(param->vport, false,
 997                                      HCLGE_MAC_ADDR_MC);
 998         hclge_rm_vport_all_vlan_table(param->vport, false);
 999         return 0;
1000 }
1001
1002 static int hclge_mbx_vf_uninit_handler(struct hclge_mbx_ops_param *param)
1003 {
1004         hclge_rm_vport_all_mac_table(param->vport, true,
1005                                      HCLGE_MAC_ADDR_UC);
1006         hclge_rm_vport_all_mac_table(param->vport, true,
1007                                      HCLGE_MAC_ADDR_MC);
1008         hclge_rm_vport_all_vlan_table(param->vport, true);
1009         param->vport->mps = 0;
1010         return 0;
1011 }
1012
1013 static int hclge_mbx_get_media_type_handler(struct hclge_mbx_ops_param *param)
1014 {
1015         hclge_get_vf_media_type(param->vport, param->resp_msg);
1016         return 0;
1017 }
1018
1019 static int hclge_mbx_push_link_status_handler(struct hclge_mbx_ops_param *param)
1020 {
1021         hclge_handle_link_change_event(param->vport->back, param->req);
1022         return 0;
1023 }
1024
1025 static int hclge_mbx_get_mac_addr_handler(struct hclge_mbx_ops_param *param)
1026 {
1027         hclge_get_vf_mac_addr(param->vport, param->resp_msg);
1028         return 0;
1029 }
1030
1031 static int hclge_mbx_ncsi_error_handler(struct hclge_mbx_ops_param *param)
1032 {
1033         hclge_handle_ncsi_error(param->vport->back);
1034         return 0;
1035 }
1036
1037 static int hclge_mbx_handle_vf_tbl_handler(struct hclge_mbx_ops_param *param)
1038 {
1039         hclge_handle_vf_tbl(param->vport, param->req);
1040         return 0;
1041 }
1042
1043 static const hclge_mbx_ops_fn hclge_mbx_ops_list[HCLGE_MBX_OPCODE_MAX] = {
1044         [HCLGE_MBX_RESET]   = hclge_mbx_reset_handler,
1045         [HCLGE_MBX_SET_UNICAST] = hclge_mbx_set_unicast_handler,
1046         [HCLGE_MBX_SET_MULTICAST] = hclge_mbx_set_multicast_handler,
1047         [HCLGE_MBX_SET_VLAN] = hclge_mbx_set_vlan_handler,
1048         [HCLGE_MBX_MAP_RING_TO_VECTOR] = hclge_mbx_map_ring_to_vector_handler,
1049         [HCLGE_MBX_UNMAP_RING_TO_VECTOR] = hclge_mbx_unmap_ring_to_vector_handler,
1050         [HCLGE_MBX_SET_PROMISC_MODE] = hclge_mbx_set_promisc_mode_handler,
1051         [HCLGE_MBX_GET_QINFO] = hclge_mbx_get_qinfo_handler,
1052         [HCLGE_MBX_GET_QDEPTH] = hclge_mbx_get_qdepth_handler,
1053         [HCLGE_MBX_GET_BASIC_INFO] = hclge_mbx_get_basic_info_handler,
1054         [HCLGE_MBX_GET_RSS_KEY] = hclge_mbx_get_rss_key_handler,
1055         [HCLGE_MBX_GET_MAC_ADDR] = hclge_mbx_get_mac_addr_handler,
1056         [HCLGE_MBX_GET_LINK_STATUS] = hclge_mbx_get_link_status_handler,
1057         [HCLGE_MBX_QUEUE_RESET] = hclge_mbx_queue_reset_handler,
1058         [HCLGE_MBX_KEEP_ALIVE] = hclge_mbx_keep_alive_handler,
1059         [HCLGE_MBX_SET_ALIVE] = hclge_mbx_set_alive_handler,
1060         [HCLGE_MBX_SET_MTU] = hclge_mbx_set_mtu_handler,
1061         [HCLGE_MBX_GET_QID_IN_PF] = hclge_mbx_get_qid_in_pf_handler,
1062         [HCLGE_MBX_GET_LINK_MODE] = hclge_mbx_get_link_mode_handler,
1063         [HCLGE_MBX_GET_MEDIA_TYPE] = hclge_mbx_get_media_type_handler,
1064         [HCLGE_MBX_VF_UNINIT] = hclge_mbx_vf_uninit_handler,
1065         [HCLGE_MBX_HANDLE_VF_TBL] = hclge_mbx_handle_vf_tbl_handler,
1066         [HCLGE_MBX_GET_RING_VECTOR_MAP] = hclge_mbx_get_ring_vector_map_handler,
1067         [HCLGE_MBX_GET_VF_FLR_STATUS] = hclge_mbx_get_vf_flr_status_handler,
1068         [HCLGE_MBX_PUSH_LINK_STATUS] = hclge_mbx_push_link_status_handler,
1069         [HCLGE_MBX_NCSI_ERROR] = hclge_mbx_ncsi_error_handler,
1070 };
1071
1072 static void hclge_mbx_request_handling(struct hclge_mbx_ops_param *param)
1073 {
1074         hclge_mbx_ops_fn cmd_func = NULL;
1075         struct hclge_dev *hdev;
1076         int ret = 0;
1077
1078         hdev = param->vport->back;
1079         cmd_func = hclge_mbx_ops_list[param->req->msg.code];
1080         if (cmd_func)
1081                 ret = cmd_func(param);
1082         else
1083                 dev_err(&hdev->pdev->dev,
1084                         "un-supported mailbox message, code = %u\n",
1085                         param->req->msg.code);
1086
1087         /* PF driver should not reply IMP */
1088         if (hnae3_get_bit(param->req->mbx_need_resp, HCLGE_MBX_NEED_RESP_B) &&
1089             param->req->msg.code < HCLGE_MBX_GET_VF_FLR_STATUS) {
1090                 param->resp_msg->status = ret;
1091                 if (time_is_before_jiffies(hdev->last_mbx_scheduled +
1092                                            HCLGE_MBX_SCHED_TIMEOUT))
1093                         dev_warn(&hdev->pdev->dev,
1094                                  "resp vport%u mbx(%u,%u) late\n",
1095                                  param->req->mbx_src_vfid,
1096                                  param->req->msg.code,
1097                                  param->req->msg.subcode);
1098
1099                 hclge_gen_resp_to_vf(param->vport, param->req, param->resp_msg);
1100         }
1101 }
1102
1103 void hclge_mbx_handler(struct hclge_dev *hdev)
1104 {
1105         struct hclge_comm_cmq_ring *crq = &hdev->hw.hw.cmq.crq;
1106         struct hclge_respond_to_vf_msg resp_msg;
1107         struct hclge_mbx_vf_to_pf_cmd *req;
1108         struct hclge_mbx_ops_param param;
1109         struct hclge_desc *desc;
1110         unsigned int flag;
1111
1112         param.resp_msg = &resp_msg;
1113         /* handle all the mailbox requests in the queue */
1114         while (!hclge_cmd_crq_empty(&hdev->hw)) {
1115                 if (test_bit(HCLGE_COMM_STATE_CMD_DISABLE,
1116                              &hdev->hw.hw.comm_state)) {
1117                         dev_warn(&hdev->pdev->dev,
1118                                  "command queue needs re-initializing\n");
1119                         return;
1120                 }
1121
1122                 desc = &crq->desc[crq->next_to_use];
1123                 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
1124
1125                 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
1126                 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B) ||
1127                              req->mbx_src_vfid > hdev->num_req_vfs)) {
1128                         dev_warn(&hdev->pdev->dev,
1129                                  "dropped invalid mailbox message, code = %u, vfid = %u\n",
1130                                  req->msg.code, req->mbx_src_vfid);
1131
1132                         /* dropping/not processing this invalid message */
1133                         crq->desc[crq->next_to_use].flag = 0;
1134                         hclge_mbx_ring_ptr_move_crq(crq);
1135                         continue;
1136                 }
1137
1138                 trace_hclge_pf_mbx_get(hdev, req);
1139
1140                 /* clear the resp_msg before processing every mailbox message */
1141                 memset(&resp_msg, 0, sizeof(resp_msg));
1142                 param.vport = &hdev->vport[req->mbx_src_vfid];
1143                 param.req = req;
1144                 hclge_mbx_request_handling(&param);
1145
1146                 crq->desc[crq->next_to_use].flag = 0;
1147                 hclge_mbx_ring_ptr_move_crq(crq);
1148         }
1149
1150         /* Write back CMDQ_RQ header pointer, M7 need this pointer */
1151         hclge_write_dev(&hdev->hw, HCLGE_COMM_NIC_CRQ_HEAD_REG,
1152                         crq->next_to_use);
1153 }