1 /* bnx2x_vfpf.c: Broadcom Everest network driver. 2 * 3 * Copyright 2009-2013 Broadcom Corporation 4 * 5 * Unless you and Broadcom execute a separate written software license 6 * agreement governing use of this software, this software is licensed to you 7 * under the terms of the GNU General Public License version 2, available 8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). 9 * 10 * Notwithstanding the above, under no circumstances may you combine this 11 * software in any way with any other Broadcom software provided under a 12 * license other than the GPL, without Broadcom's express prior written 13 * consent. 14 * 15 * Maintained by: Eilon Greenstein <eilong@broadcom.com> 16 * Written by: Shmulik Ravid <shmulikr@broadcom.com> 17 * Ariel Elior <ariele@broadcom.com> 18 */ 19 20 #include "bnx2x.h" 21 #include "bnx2x_cmn.h" 22 #include <linux/crc32.h> 23 24 /* place a given tlv on the tlv buffer at a given offset */ 25 void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type, 26 u16 length) 27 { 28 struct channel_tlv *tl = 29 (struct channel_tlv *)(tlvs_list + offset); 30 31 tl->type = type; 32 tl->length = length; 33 } 34 35 /* Clear the mailbox and init the header of the first tlv */ 36 void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv, 37 u16 type, u16 length) 38 { 39 mutex_lock(&bp->vf2pf_mutex); 40 41 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n", 42 type); 43 44 /* Clear mailbox */ 45 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg)); 46 47 /* init type and length */ 48 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length); 49 50 /* init first tlv header */ 51 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req); 52 } 53 54 /* releases the mailbox */ 55 void bnx2x_vfpf_finalize(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv) 56 { 57 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n", 58 first_tlv->tl.type); 59 60 mutex_unlock(&bp->vf2pf_mutex); 61 } 62 63 /* list the types and lengths of the tlvs on the buffer */ 64 void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list) 65 { 66 int i = 1; 67 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list; 68 69 while (tlv->type != CHANNEL_TLV_LIST_END) { 70 /* output tlv */ 71 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 72 tlv->type, tlv->length); 73 74 /* advance to next tlv */ 75 tlvs_list += tlv->length; 76 77 /* cast general tlv list pointer to channel tlv header*/ 78 tlv = (struct channel_tlv *)tlvs_list; 79 80 i++; 81 82 /* break condition for this loop */ 83 if (i > MAX_TLVS_IN_LIST) { 84 WARN(true, "corrupt tlvs"); 85 return; 86 } 87 } 88 89 /* output last tlv */ 90 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i, 91 tlv->type, tlv->length); 92 } 93 94 /* test whether we support a tlv type */ 95 bool bnx2x_tlv_supported(u16 tlvtype) 96 { 97 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX; 98 } 99 100 static inline int bnx2x_pfvf_status_codes(int rc) 101 { 102 switch (rc) { 103 case 0: 104 return PFVF_STATUS_SUCCESS; 105 case -ENOMEM: 106 return PFVF_STATUS_NO_RESOURCE; 107 default: 108 return PFVF_STATUS_FAILURE; 109 } 110 } 111 112 static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping) 113 { 114 struct cstorm_vf_zone_data __iomem *zone_data = 115 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START); 116 int tout = 600, interval = 100; /* wait for 60 seconds */ 117 118 if (*done) { 119 BNX2X_ERR("done was non zero before message to pf was sent\n"); 120 WARN_ON(true); 121 return -EINVAL; 122 } 123 124 /* Write message address */ 125 writel(U64_LO(msg_mapping), 126 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo); 127 writel(U64_HI(msg_mapping), 128 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi); 129 130 /* make sure the address is written before FW accesses it */ 131 wmb(); 132 133 /* Trigger the PF FW */ 134 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid); 135 136 /* Wait for PF to complete */ 137 while ((tout >= 0) && (!*done)) { 138 msleep(interval); 139 tout -= 1; 140 141 /* progress indicator - HV can take its own sweet time in 142 * answering VFs... 143 */ 144 DP_CONT(BNX2X_MSG_IOV, "."); 145 } 146 147 if (!*done) { 148 BNX2X_ERR("PF response has timed out\n"); 149 return -EAGAIN; 150 } 151 DP(BNX2X_MSG_SP, "Got a response from PF\n"); 152 return 0; 153 } 154 155 static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id) 156 { 157 u32 me_reg; 158 int tout = 10, interval = 100; /* Wait for 1 sec */ 159 160 do { 161 /* pxp traps vf read of doorbells and returns me reg value */ 162 me_reg = readl(bp->doorbells); 163 if (GOOD_ME_REG(me_reg)) 164 break; 165 166 msleep(interval); 167 168 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?", 169 me_reg); 170 } while (tout-- > 0); 171 172 if (!GOOD_ME_REG(me_reg)) { 173 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg); 174 return -EINVAL; 175 } 176 177 BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg); 178 179 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT; 180 181 return 0; 182 } 183 184 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count) 185 { 186 int rc = 0, attempts = 0; 187 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire; 188 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp; 189 u32 vf_id; 190 bool resources_acquired = false; 191 192 /* clear mailbox and prep first tlv */ 193 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req)); 194 195 if (bnx2x_get_vf_id(bp, &vf_id)) { 196 rc = -EAGAIN; 197 goto out; 198 } 199 200 req->vfdev_info.vf_id = vf_id; 201 req->vfdev_info.vf_os = 0; 202 203 req->resc_request.num_rxqs = rx_count; 204 req->resc_request.num_txqs = tx_count; 205 req->resc_request.num_sbs = bp->igu_sb_cnt; 206 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS; 207 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS; 208 209 /* pf 2 vf bulletin board address */ 210 req->bulletin_addr = bp->pf2vf_bulletin_mapping; 211 212 /* add list termination tlv */ 213 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 214 sizeof(struct channel_list_end_tlv)); 215 216 /* output tlvs list */ 217 bnx2x_dp_tlv_list(bp, req); 218 219 while (!resources_acquired) { 220 DP(BNX2X_MSG_SP, "attempting to acquire resources\n"); 221 222 /* send acquire request */ 223 rc = bnx2x_send_msg2pf(bp, 224 &resp->hdr.status, 225 bp->vf2pf_mbox_mapping); 226 227 /* PF timeout */ 228 if (rc) 229 goto out; 230 231 /* copy acquire response from buffer to bp */ 232 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp)); 233 234 attempts++; 235 236 /* test whether the PF accepted our request. If not, humble the 237 * the request and try again. 238 */ 239 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) { 240 DP(BNX2X_MSG_SP, "resources acquired\n"); 241 resources_acquired = true; 242 } else if (bp->acquire_resp.hdr.status == 243 PFVF_STATUS_NO_RESOURCE && 244 attempts < VF_ACQUIRE_THRESH) { 245 DP(BNX2X_MSG_SP, 246 "PF unwilling to fulfill resource request. Try PF recommended amount\n"); 247 248 /* humble our request */ 249 req->resc_request.num_txqs = 250 bp->acquire_resp.resc.num_txqs; 251 req->resc_request.num_rxqs = 252 bp->acquire_resp.resc.num_rxqs; 253 req->resc_request.num_sbs = 254 bp->acquire_resp.resc.num_sbs; 255 req->resc_request.num_mac_filters = 256 bp->acquire_resp.resc.num_mac_filters; 257 req->resc_request.num_vlan_filters = 258 bp->acquire_resp.resc.num_vlan_filters; 259 req->resc_request.num_mc_filters = 260 bp->acquire_resp.resc.num_mc_filters; 261 262 /* Clear response buffer */ 263 memset(&bp->vf2pf_mbox->resp, 0, 264 sizeof(union pfvf_tlvs)); 265 } else { 266 /* PF reports error */ 267 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n", 268 bp->acquire_resp.hdr.status); 269 rc = -EAGAIN; 270 goto out; 271 } 272 } 273 274 /* get HW info */ 275 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff); 276 bp->link_params.chip_id = bp->common.chip_id; 277 bp->db_size = bp->acquire_resp.pfdev_info.db_size; 278 bp->common.int_block = INT_BLOCK_IGU; 279 bp->common.chip_port_mode = CHIP_2_PORT_MODE; 280 bp->igu_dsb_id = -1; 281 bp->mf_ov = 0; 282 bp->mf_mode = 0; 283 bp->common.flash_size = 0; 284 bp->flags |= 285 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG; 286 bp->igu_sb_cnt = 1; 287 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id; 288 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver, 289 sizeof(bp->fw_ver)); 290 291 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr)) 292 memcpy(bp->dev->dev_addr, 293 bp->acquire_resp.resc.current_mac_addr, 294 ETH_ALEN); 295 296 out: 297 bnx2x_vfpf_finalize(bp, &req->first_tlv); 298 return rc; 299 } 300 301 int bnx2x_vfpf_release(struct bnx2x *bp) 302 { 303 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release; 304 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 305 u32 rc, vf_id; 306 307 /* clear mailbox and prep first tlv */ 308 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req)); 309 310 if (bnx2x_get_vf_id(bp, &vf_id)) { 311 rc = -EAGAIN; 312 goto out; 313 } 314 315 req->vf_id = vf_id; 316 317 /* add list termination tlv */ 318 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 319 sizeof(struct channel_list_end_tlv)); 320 321 /* output tlvs list */ 322 bnx2x_dp_tlv_list(bp, req); 323 324 /* send release request */ 325 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 326 327 if (rc) 328 /* PF timeout */ 329 goto out; 330 331 if (resp->hdr.status == PFVF_STATUS_SUCCESS) { 332 /* PF released us */ 333 DP(BNX2X_MSG_SP, "vf released\n"); 334 } else { 335 /* PF reports error */ 336 BNX2X_ERR("PF failed our release request - are we out of sync? response status: %d\n", 337 resp->hdr.status); 338 rc = -EAGAIN; 339 goto out; 340 } 341 out: 342 bnx2x_vfpf_finalize(bp, &req->first_tlv); 343 344 return rc; 345 } 346 347 /* Tell PF about SB addresses */ 348 int bnx2x_vfpf_init(struct bnx2x *bp) 349 { 350 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init; 351 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 352 int rc, i; 353 354 /* clear mailbox and prep first tlv */ 355 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req)); 356 357 /* status blocks */ 358 for_each_eth_queue(bp, i) 359 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i, 360 status_blk_mapping); 361 362 /* statistics - requests only supports single queue for now */ 363 req->stats_addr = bp->fw_stats_data_mapping + 364 offsetof(struct bnx2x_fw_stats_data, queue_stats); 365 366 /* add list termination tlv */ 367 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 368 sizeof(struct channel_list_end_tlv)); 369 370 /* output tlvs list */ 371 bnx2x_dp_tlv_list(bp, req); 372 373 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 374 if (rc) 375 goto out; 376 377 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 378 BNX2X_ERR("INIT VF failed: %d. Breaking...\n", 379 resp->hdr.status); 380 rc = -EAGAIN; 381 goto out; 382 } 383 384 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n"); 385 out: 386 bnx2x_vfpf_finalize(bp, &req->first_tlv); 387 388 return rc; 389 } 390 391 /* CLOSE VF - opposite to INIT_VF */ 392 void bnx2x_vfpf_close_vf(struct bnx2x *bp) 393 { 394 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close; 395 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 396 int i, rc; 397 u32 vf_id; 398 399 /* If we haven't got a valid VF id, there is no sense to 400 * continue with sending messages 401 */ 402 if (bnx2x_get_vf_id(bp, &vf_id)) 403 goto free_irq; 404 405 /* Close the queues */ 406 for_each_queue(bp, i) 407 bnx2x_vfpf_teardown_queue(bp, i); 408 409 /* remove mac */ 410 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false); 411 412 /* clear mailbox and prep first tlv */ 413 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req)); 414 415 req->vf_id = vf_id; 416 417 /* add list termination tlv */ 418 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 419 sizeof(struct channel_list_end_tlv)); 420 421 /* output tlvs list */ 422 bnx2x_dp_tlv_list(bp, req); 423 424 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 425 426 if (rc) 427 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc); 428 429 else if (resp->hdr.status != PFVF_STATUS_SUCCESS) 430 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n", 431 resp->hdr.status); 432 433 bnx2x_vfpf_finalize(bp, &req->first_tlv); 434 435 free_irq: 436 /* Disable HW interrupts, NAPI */ 437 bnx2x_netif_stop(bp, 0); 438 /* Delete all NAPI objects */ 439 bnx2x_del_all_napi(bp); 440 441 /* Release IRQs */ 442 bnx2x_free_irq(bp); 443 } 444 445 /* ask the pf to open a queue for the vf */ 446 int bnx2x_vfpf_setup_q(struct bnx2x *bp, int fp_idx) 447 { 448 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q; 449 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 450 struct bnx2x_fastpath *fp = &bp->fp[fp_idx]; 451 u16 tpa_agg_size = 0, flags = 0; 452 int rc; 453 454 /* clear mailbox and prep first tlv */ 455 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req)); 456 457 /* select tpa mode to request */ 458 if (!fp->disable_tpa) { 459 flags |= VFPF_QUEUE_FLG_TPA; 460 flags |= VFPF_QUEUE_FLG_TPA_IPV6; 461 if (fp->mode == TPA_MODE_GRO) 462 flags |= VFPF_QUEUE_FLG_TPA_GRO; 463 tpa_agg_size = TPA_AGG_SIZE; 464 } 465 466 /* calculate queue flags */ 467 flags |= VFPF_QUEUE_FLG_STATS; 468 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN; 469 flags |= VFPF_QUEUE_FLG_VLAN; 470 DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); 471 472 /* Common */ 473 req->vf_qid = fp_idx; 474 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID; 475 476 /* Rx */ 477 req->rxq.rcq_addr = fp->rx_comp_mapping; 478 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE; 479 req->rxq.rxq_addr = fp->rx_desc_mapping; 480 req->rxq.sge_addr = fp->rx_sge_mapping; 481 req->rxq.vf_sb = fp_idx; 482 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS; 483 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0; 484 req->rxq.mtu = bp->dev->mtu; 485 req->rxq.buf_sz = fp->rx_buf_size; 486 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE; 487 req->rxq.tpa_agg_sz = tpa_agg_size; 488 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT; 489 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) & 490 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT; 491 req->rxq.flags = flags; 492 req->rxq.drop_flags = 0; 493 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT; 494 req->rxq.stat_id = -1; /* No stats at the moment */ 495 496 /* Tx */ 497 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping; 498 req->txq.vf_sb = fp_idx; 499 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0; 500 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0; 501 req->txq.flags = flags; 502 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW; 503 504 /* add list termination tlv */ 505 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 506 sizeof(struct channel_list_end_tlv)); 507 508 /* output tlvs list */ 509 bnx2x_dp_tlv_list(bp, req); 510 511 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 512 if (rc) 513 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n", 514 fp_idx); 515 516 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 517 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n", 518 fp_idx, resp->hdr.status); 519 rc = -EINVAL; 520 } 521 522 bnx2x_vfpf_finalize(bp, &req->first_tlv); 523 524 return rc; 525 } 526 527 int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx) 528 { 529 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op; 530 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 531 int rc; 532 533 /* clear mailbox and prep first tlv */ 534 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q, 535 sizeof(*req)); 536 537 req->vf_qid = qidx; 538 539 /* add list termination tlv */ 540 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 541 sizeof(struct channel_list_end_tlv)); 542 543 /* output tlvs list */ 544 bnx2x_dp_tlv_list(bp, req); 545 546 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 547 548 if (rc) { 549 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx, 550 rc); 551 goto out; 552 } 553 554 /* PF failed the transaction */ 555 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 556 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx, 557 resp->hdr.status); 558 rc = -EINVAL; 559 } 560 561 out: 562 bnx2x_vfpf_finalize(bp, &req->first_tlv); 563 return rc; 564 } 565 566 /* request pf to add a mac for the vf */ 567 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set) 568 { 569 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 570 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 571 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; 572 int rc = 0; 573 574 /* clear mailbox and prep first tlv */ 575 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 576 sizeof(*req)); 577 578 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED; 579 req->vf_qid = vf_qid; 580 req->n_mac_vlan_filters = 1; 581 582 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID; 583 if (set) 584 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC; 585 586 /* sample bulletin board for new mac */ 587 bnx2x_sample_bulletin(bp); 588 589 /* copy mac from device to request */ 590 memcpy(req->filters[0].mac, addr, ETH_ALEN); 591 592 /* add list termination tlv */ 593 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 594 sizeof(struct channel_list_end_tlv)); 595 596 /* output tlvs list */ 597 bnx2x_dp_tlv_list(bp, req); 598 599 /* send message to pf */ 600 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 601 if (rc) { 602 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc); 603 goto out; 604 } 605 606 /* failure may mean PF was configured with a new mac for us */ 607 while (resp->hdr.status == PFVF_STATUS_FAILURE) { 608 DP(BNX2X_MSG_IOV, 609 "vfpf SET MAC failed. Check bulletin board for new posts\n"); 610 611 /* copy mac from bulletin to device */ 612 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); 613 614 /* check if bulletin board was updated */ 615 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) { 616 /* copy mac from device to request */ 617 memcpy(req->filters[0].mac, bp->dev->dev_addr, 618 ETH_ALEN); 619 620 /* send message to pf */ 621 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, 622 bp->vf2pf_mbox_mapping); 623 } else { 624 /* no new info in bulletin */ 625 break; 626 } 627 } 628 629 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 630 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status); 631 rc = -EINVAL; 632 } 633 out: 634 bnx2x_vfpf_finalize(bp, &req->first_tlv); 635 636 return 0; 637 } 638 639 int bnx2x_vfpf_set_mcast(struct net_device *dev) 640 { 641 struct bnx2x *bp = netdev_priv(dev); 642 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 643 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 644 int rc, i = 0; 645 struct netdev_hw_addr *ha; 646 647 if (bp->state != BNX2X_STATE_OPEN) { 648 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); 649 return -EINVAL; 650 } 651 652 /* clear mailbox and prep first tlv */ 653 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 654 sizeof(*req)); 655 656 /* Get Rx mode requested */ 657 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); 658 659 netdev_for_each_mc_addr(ha, dev) { 660 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", 661 bnx2x_mc_addr(ha)); 662 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN); 663 i++; 664 } 665 666 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast 667 * addresses tops 668 */ 669 if (i >= PFVF_MAX_MULTICAST_PER_VF) { 670 DP(NETIF_MSG_IFUP, 671 "VF supports not more than %d multicast MAC addresses\n", 672 PFVF_MAX_MULTICAST_PER_VF); 673 return -EINVAL; 674 } 675 676 req->n_multicast = i; 677 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; 678 req->vf_qid = 0; 679 680 /* add list termination tlv */ 681 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 682 sizeof(struct channel_list_end_tlv)); 683 684 /* output tlvs list */ 685 bnx2x_dp_tlv_list(bp, req); 686 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 687 if (rc) { 688 BNX2X_ERR("Sending a message failed: %d\n", rc); 689 goto out; 690 } 691 692 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 693 BNX2X_ERR("Set Rx mode/multicast failed: %d\n", 694 resp->hdr.status); 695 rc = -EINVAL; 696 } 697 out: 698 bnx2x_vfpf_finalize(bp, &req->first_tlv); 699 700 return 0; 701 } 702 703 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) 704 { 705 int mode = bp->rx_mode; 706 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; 707 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; 708 int rc; 709 710 /* clear mailbox and prep first tlv */ 711 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS, 712 sizeof(*req)); 713 714 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode); 715 716 switch (mode) { 717 case BNX2X_RX_MODE_NONE: /* no Rx */ 718 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE; 719 break; 720 case BNX2X_RX_MODE_NORMAL: 721 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST; 722 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 723 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 724 break; 725 case BNX2X_RX_MODE_ALLMULTI: 726 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 727 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST; 728 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 729 break; 730 case BNX2X_RX_MODE_PROMISC: 731 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST; 732 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST; 733 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST; 734 break; 735 default: 736 BNX2X_ERR("BAD rx mode (%d)\n", mode); 737 rc = -EINVAL; 738 goto out; 739 } 740 741 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED; 742 req->vf_qid = 0; 743 744 /* add list termination tlv */ 745 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END, 746 sizeof(struct channel_list_end_tlv)); 747 748 /* output tlvs list */ 749 bnx2x_dp_tlv_list(bp, req); 750 751 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping); 752 if (rc) 753 BNX2X_ERR("Sending a message failed: %d\n", rc); 754 755 if (resp->hdr.status != PFVF_STATUS_SUCCESS) { 756 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status); 757 rc = -EINVAL; 758 } 759 out: 760 bnx2x_vfpf_finalize(bp, &req->first_tlv); 761 762 return rc; 763 } 764 765 /* General service functions */ 766 static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid) 767 { 768 u32 addr = BAR_CSTRORM_INTMEM + 769 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid); 770 771 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY); 772 } 773 774 static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid) 775 { 776 u32 addr = BAR_CSTRORM_INTMEM + 777 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid); 778 779 REG_WR8(bp, addr, 1); 780 } 781 782 static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp) 783 { 784 int i; 785 786 for_each_vf(bp, i) 787 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid)); 788 } 789 790 /* enable vf_pf mailbox (aka vf-pf-chanell) */ 791 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid) 792 { 793 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid); 794 795 /* enable the mailbox in the FW */ 796 storm_memset_vf_mbx_ack(bp, abs_vfid); 797 storm_memset_vf_mbx_valid(bp, abs_vfid); 798 799 /* enable the VF access to the mailbox */ 800 bnx2x_vf_enable_access(bp, abs_vfid); 801 } 802 803 /* this works only on !E1h */ 804 static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf, 805 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi, 806 u32 vf_addr_lo, u32 len32) 807 { 808 struct dmae_command dmae; 809 810 if (CHIP_IS_E1x(bp)) { 811 BNX2X_ERR("Chip revision does not support VFs\n"); 812 return DMAE_NOT_RDY; 813 } 814 815 if (!bp->dmae_ready) { 816 BNX2X_ERR("DMAE is not ready, can not copy\n"); 817 return DMAE_NOT_RDY; 818 } 819 820 /* set opcode and fixed command fields */ 821 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI); 822 823 if (from_vf) { 824 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) | 825 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) | 826 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT); 827 828 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT); 829 830 dmae.src_addr_lo = vf_addr_lo; 831 dmae.src_addr_hi = vf_addr_hi; 832 dmae.dst_addr_lo = U64_LO(pf_addr); 833 dmae.dst_addr_hi = U64_HI(pf_addr); 834 } else { 835 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) | 836 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) | 837 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT); 838 839 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT); 840 841 dmae.src_addr_lo = U64_LO(pf_addr); 842 dmae.src_addr_hi = U64_HI(pf_addr); 843 dmae.dst_addr_lo = vf_addr_lo; 844 dmae.dst_addr_hi = vf_addr_hi; 845 } 846 dmae.len = len32; 847 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_DMAE); 848 849 /* issue the command and wait for completion */ 850 return bnx2x_issue_dmae_with_comp(bp, &dmae); 851 } 852 853 static void bnx2x_vf_mbx_resp(struct bnx2x *bp, struct bnx2x_virtf *vf) 854 { 855 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index); 856 u64 vf_addr; 857 dma_addr_t pf_addr; 858 u16 length, type; 859 int rc; 860 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp; 861 862 /* prepare response */ 863 type = mbx->first_tlv.tl.type; 864 length = type == CHANNEL_TLV_ACQUIRE ? 865 sizeof(struct pfvf_acquire_resp_tlv) : 866 sizeof(struct pfvf_general_resp_tlv); 867 bnx2x_add_tlv(bp, resp, 0, type, length); 868 resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc); 869 bnx2x_add_tlv(bp, resp, length, CHANNEL_TLV_LIST_END, 870 sizeof(struct channel_list_end_tlv)); 871 bnx2x_dp_tlv_list(bp, resp); 872 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 873 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 874 875 /* send response */ 876 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) + 877 mbx->first_tlv.resp_msg_offset; 878 pf_addr = mbx->msg_mapping + 879 offsetof(struct bnx2x_vf_mbx_msg, resp); 880 881 /* copy the response body, if there is one, before the header, as the vf 882 * is sensitive to the header being written 883 */ 884 if (resp->hdr.tl.length > sizeof(u64)) { 885 length = resp->hdr.tl.length - sizeof(u64); 886 vf_addr += sizeof(u64); 887 pf_addr += sizeof(u64); 888 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 889 U64_HI(vf_addr), 890 U64_LO(vf_addr), 891 length/4); 892 if (rc) { 893 BNX2X_ERR("Failed to copy response body to VF %d\n", 894 vf->abs_vfid); 895 goto mbx_error; 896 } 897 vf_addr -= sizeof(u64); 898 pf_addr -= sizeof(u64); 899 } 900 901 /* ack the FW */ 902 storm_memset_vf_mbx_ack(bp, vf->abs_vfid); 903 mmiowb(); 904 905 /* initiate dmae to send the response */ 906 mbx->flags &= ~VF_MSG_INPROCESS; 907 908 /* copy the response header including status-done field, 909 * must be last dmae, must be after FW is acked 910 */ 911 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid, 912 U64_HI(vf_addr), 913 U64_LO(vf_addr), 914 sizeof(u64)/4); 915 916 /* unlock channel mutex */ 917 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 918 919 if (rc) { 920 BNX2X_ERR("Failed to copy response status to VF %d\n", 921 vf->abs_vfid); 922 goto mbx_error; 923 } 924 return; 925 926 mbx_error: 927 bnx2x_vf_release(bp, vf, false); /* non blocking */ 928 } 929 930 static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf, 931 struct bnx2x_vf_mbx *mbx, int vfop_status) 932 { 933 int i; 934 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp; 935 struct pf_vf_resc *resc = &resp->resc; 936 u8 status = bnx2x_pfvf_status_codes(vfop_status); 937 938 memset(resp, 0, sizeof(*resp)); 939 940 /* fill in pfdev info */ 941 resp->pfdev_info.chip_num = bp->common.chip_id; 942 resp->pfdev_info.db_size = (1 << BNX2X_DB_SHIFT); 943 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2; 944 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS | 945 /* PFVF_CAP_DHC |*/ PFVF_CAP_TPA); 946 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver, 947 sizeof(resp->pfdev_info.fw_ver)); 948 949 if (status == PFVF_STATUS_NO_RESOURCE || 950 status == PFVF_STATUS_SUCCESS) { 951 /* set resources numbers, if status equals NO_RESOURCE these 952 * are max possible numbers 953 */ 954 resc->num_rxqs = vf_rxq_count(vf) ? : 955 bnx2x_vf_max_queue_cnt(bp, vf); 956 resc->num_txqs = vf_txq_count(vf) ? : 957 bnx2x_vf_max_queue_cnt(bp, vf); 958 resc->num_sbs = vf_sb_count(vf); 959 resc->num_mac_filters = vf_mac_rules_cnt(vf); 960 resc->num_vlan_filters = vf_vlan_rules_cnt(vf); 961 resc->num_mc_filters = 0; 962 963 if (status == PFVF_STATUS_SUCCESS) { 964 /* fill in the allocated resources */ 965 struct pf_vf_bulletin_content *bulletin = 966 BP_VF_BULLETIN(bp, vf->index); 967 968 for_each_vfq(vf, i) 969 resc->hw_qid[i] = 970 vfq_qzone_id(vf, vfq_get(vf, i)); 971 972 for_each_vf_sb(vf, i) { 973 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i); 974 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i); 975 } 976 977 /* if a mac has been set for this vf, supply it */ 978 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 979 memcpy(resc->current_mac_addr, bulletin->mac, 980 ETH_ALEN); 981 } 982 } 983 } 984 985 DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n" 986 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n", 987 vf->abs_vfid, 988 resp->pfdev_info.chip_num, 989 resp->pfdev_info.db_size, 990 resp->pfdev_info.indices_per_sb, 991 resp->pfdev_info.pf_cap, 992 resc->num_rxqs, 993 resc->num_txqs, 994 resc->num_sbs, 995 resc->num_mac_filters, 996 resc->num_vlan_filters, 997 resc->num_mc_filters, 998 resp->pfdev_info.fw_ver); 999 1000 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ "); 1001 for (i = 0; i < vf_rxq_count(vf); i++) 1002 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]); 1003 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ "); 1004 for (i = 0; i < vf_sb_count(vf); i++) 1005 DP_CONT(BNX2X_MSG_IOV, "%d:%d ", 1006 resc->hw_sbs[i].hw_sb_id, 1007 resc->hw_sbs[i].sb_qid); 1008 DP_CONT(BNX2X_MSG_IOV, "]\n"); 1009 1010 /* send the response */ 1011 vf->op_rc = vfop_status; 1012 bnx2x_vf_mbx_resp(bp, vf); 1013 } 1014 1015 static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, 1016 struct bnx2x_vf_mbx *mbx) 1017 { 1018 int rc; 1019 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire; 1020 1021 /* log vfdef info */ 1022 DP(BNX2X_MSG_IOV, 1023 "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n", 1024 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os, 1025 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs, 1026 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters, 1027 acquire->resc_request.num_vlan_filters, 1028 acquire->resc_request.num_mc_filters); 1029 1030 /* acquire the resources */ 1031 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request); 1032 1033 /* store address of vf's bulletin board */ 1034 vf->bulletin_map = acquire->bulletin_addr; 1035 1036 /* response */ 1037 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc); 1038 } 1039 1040 static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1041 struct bnx2x_vf_mbx *mbx) 1042 { 1043 struct vfpf_init_tlv *init = &mbx->msg->req.init; 1044 1045 /* record ghost addresses from vf message */ 1046 vf->spq_map = init->spq_addr; 1047 vf->fw_stat_map = init->stats_addr; 1048 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr); 1049 1050 /* response */ 1051 bnx2x_vf_mbx_resp(bp, vf); 1052 } 1053 1054 /* convert MBX queue-flags to standard SP queue-flags */ 1055 static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags, 1056 unsigned long *sp_q_flags) 1057 { 1058 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA) 1059 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags); 1060 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6) 1061 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags); 1062 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO) 1063 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags); 1064 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS) 1065 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags); 1066 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN) 1067 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags); 1068 if (mbx_q_flags & VFPF_QUEUE_FLG_COS) 1069 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags); 1070 if (mbx_q_flags & VFPF_QUEUE_FLG_HC) 1071 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags); 1072 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC) 1073 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags); 1074 1075 /* outer vlan removal is set according to the PF's multi fuction mode */ 1076 if (IS_MF_SD(bp)) 1077 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags); 1078 } 1079 1080 static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1081 struct bnx2x_vf_mbx *mbx) 1082 { 1083 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q; 1084 struct bnx2x_vfop_cmd cmd = { 1085 .done = bnx2x_vf_mbx_resp, 1086 .block = false, 1087 }; 1088 1089 /* verify vf_qid */ 1090 if (setup_q->vf_qid >= vf_rxq_count(vf)) { 1091 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n", 1092 setup_q->vf_qid, vf_rxq_count(vf)); 1093 vf->op_rc = -EINVAL; 1094 goto response; 1095 } 1096 1097 /* tx queues must be setup alongside rx queues thus if the rx queue 1098 * is not marked as valid there's nothing to do. 1099 */ 1100 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) { 1101 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid); 1102 unsigned long q_type = 0; 1103 1104 struct bnx2x_queue_init_params *init_p; 1105 struct bnx2x_queue_setup_params *setup_p; 1106 1107 /* reinit the VF operation context */ 1108 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor)); 1109 setup_p = &vf->op_params.qctor.prep_qsetup; 1110 init_p = &vf->op_params.qctor.qstate.params.init; 1111 1112 /* activate immediately */ 1113 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags); 1114 1115 if (setup_q->param_valid & VFPF_TXQ_VALID) { 1116 struct bnx2x_txq_setup_params *txq_params = 1117 &setup_p->txq_params; 1118 1119 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); 1120 1121 /* save sb resource index */ 1122 q->sb_idx = setup_q->txq.vf_sb; 1123 1124 /* tx init */ 1125 init_p->tx.hc_rate = setup_q->txq.hc_rate; 1126 init_p->tx.sb_cq_index = setup_q->txq.sb_index; 1127 1128 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1129 &init_p->tx.flags); 1130 1131 /* tx setup - flags */ 1132 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags, 1133 &setup_p->flags); 1134 1135 /* tx setup - general, nothing */ 1136 1137 /* tx setup - tx */ 1138 txq_params->dscr_map = setup_q->txq.txq_addr; 1139 txq_params->sb_cq_index = setup_q->txq.sb_index; 1140 txq_params->traffic_type = setup_q->txq.traffic_type; 1141 1142 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p, 1143 q->index, q->sb_idx); 1144 } 1145 1146 if (setup_q->param_valid & VFPF_RXQ_VALID) { 1147 struct bnx2x_rxq_setup_params *rxq_params = 1148 &setup_p->rxq_params; 1149 1150 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); 1151 1152 /* Note: there is no support for different SBs 1153 * for TX and RX 1154 */ 1155 q->sb_idx = setup_q->rxq.vf_sb; 1156 1157 /* rx init */ 1158 init_p->rx.hc_rate = setup_q->rxq.hc_rate; 1159 init_p->rx.sb_cq_index = setup_q->rxq.sb_index; 1160 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1161 &init_p->rx.flags); 1162 1163 /* rx setup - flags */ 1164 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags, 1165 &setup_p->flags); 1166 1167 /* rx setup - general */ 1168 setup_p->gen_params.mtu = setup_q->rxq.mtu; 1169 1170 /* rx setup - rx */ 1171 rxq_params->drop_flags = setup_q->rxq.drop_flags; 1172 rxq_params->dscr_map = setup_q->rxq.rxq_addr; 1173 rxq_params->sge_map = setup_q->rxq.sge_addr; 1174 rxq_params->rcq_map = setup_q->rxq.rcq_addr; 1175 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr; 1176 rxq_params->buf_sz = setup_q->rxq.buf_sz; 1177 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz; 1178 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt; 1179 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz; 1180 rxq_params->cache_line_log = 1181 setup_q->rxq.cache_line_log; 1182 rxq_params->sb_cq_index = setup_q->rxq.sb_index; 1183 1184 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p, 1185 q->index, q->sb_idx); 1186 } 1187 /* complete the preparations */ 1188 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type); 1189 1190 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index); 1191 if (vf->op_rc) 1192 goto response; 1193 return; 1194 } 1195 response: 1196 bnx2x_vf_mbx_resp(bp, vf); 1197 } 1198 1199 enum bnx2x_vfop_filters_state { 1200 BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1201 BNX2X_VFOP_MBX_Q_FILTERS_VLANS, 1202 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE, 1203 BNX2X_VFOP_MBX_Q_FILTERS_MCAST, 1204 BNX2X_VFOP_MBX_Q_FILTERS_DONE 1205 }; 1206 1207 static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp, 1208 struct bnx2x_virtf *vf, 1209 struct vfpf_set_q_filters_tlv *tlv, 1210 struct bnx2x_vfop_filters **pfl, 1211 u32 type_flag) 1212 { 1213 int i, j; 1214 struct bnx2x_vfop_filters *fl = NULL; 1215 size_t fsz; 1216 1217 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) + 1218 sizeof(struct bnx2x_vfop_filters); 1219 1220 fl = kzalloc(fsz, GFP_KERNEL); 1221 if (!fl) 1222 return -ENOMEM; 1223 1224 INIT_LIST_HEAD(&fl->head); 1225 1226 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) { 1227 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i]; 1228 1229 if ((msg_filter->flags & type_flag) != type_flag) 1230 continue; 1231 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) { 1232 fl->filters[j].mac = msg_filter->mac; 1233 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC; 1234 } else { 1235 fl->filters[j].vid = msg_filter->vlan_tag; 1236 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN; 1237 } 1238 fl->filters[j].add = 1239 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ? 1240 true : false; 1241 list_add_tail(&fl->filters[j++].link, &fl->head); 1242 } 1243 if (list_empty(&fl->head)) 1244 kfree(fl); 1245 else 1246 *pfl = fl; 1247 1248 return 0; 1249 } 1250 1251 static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx, 1252 struct vfpf_q_mac_vlan_filter *filter) 1253 { 1254 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags); 1255 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID) 1256 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag); 1257 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID) 1258 DP_CONT(msglvl, ", MAC=%pM", filter->mac); 1259 DP_CONT(msglvl, "\n"); 1260 } 1261 1262 static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl, 1263 struct vfpf_set_q_filters_tlv *filters) 1264 { 1265 int i; 1266 1267 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) 1268 for (i = 0; i < filters->n_mac_vlan_filters; i++) 1269 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i, 1270 &filters->filters[i]); 1271 1272 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) 1273 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask); 1274 1275 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) 1276 for (i = 0; i < filters->n_multicast; i++) 1277 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]); 1278 } 1279 1280 #define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID 1281 #define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID 1282 1283 static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) 1284 { 1285 int rc; 1286 1287 struct vfpf_set_q_filters_tlv *msg = 1288 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters; 1289 1290 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); 1291 enum bnx2x_vfop_filters_state state = vfop->state; 1292 1293 struct bnx2x_vfop_cmd cmd = { 1294 .done = bnx2x_vfop_mbx_qfilters, 1295 .block = false, 1296 }; 1297 1298 DP(BNX2X_MSG_IOV, "STATE: %d\n", state); 1299 1300 if (vfop->rc < 0) 1301 goto op_err; 1302 1303 switch (state) { 1304 case BNX2X_VFOP_MBX_Q_FILTERS_MACS: 1305 /* next state */ 1306 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS; 1307 1308 /* check for any vlan/mac changes */ 1309 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1310 /* build mac list */ 1311 struct bnx2x_vfop_filters *fl = NULL; 1312 1313 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1314 VFPF_MAC_FILTER); 1315 if (vfop->rc) 1316 goto op_err; 1317 1318 if (fl) { 1319 /* set mac list */ 1320 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl, 1321 msg->vf_qid, 1322 false); 1323 if (rc) { 1324 vfop->rc = rc; 1325 goto op_err; 1326 } 1327 return; 1328 } 1329 } 1330 /* fall through */ 1331 1332 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS: 1333 /* next state */ 1334 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE; 1335 1336 /* check for any vlan/mac changes */ 1337 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) { 1338 /* build vlan list */ 1339 struct bnx2x_vfop_filters *fl = NULL; 1340 1341 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, 1342 VFPF_VLAN_FILTER); 1343 if (vfop->rc) 1344 goto op_err; 1345 1346 if (fl) { 1347 /* set vlan list */ 1348 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl, 1349 msg->vf_qid, 1350 false); 1351 if (rc) { 1352 vfop->rc = rc; 1353 goto op_err; 1354 } 1355 return; 1356 } 1357 } 1358 /* fall through */ 1359 1360 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE: 1361 /* next state */ 1362 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST; 1363 1364 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { 1365 unsigned long accept = 0; 1366 1367 /* covert VF-PF if mask to bnx2x accept flags */ 1368 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST) 1369 __set_bit(BNX2X_ACCEPT_UNICAST, &accept); 1370 1371 if (msg->rx_mask & 1372 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST) 1373 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept); 1374 1375 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST) 1376 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept); 1377 1378 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST) 1379 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept); 1380 1381 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST) 1382 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept); 1383 1384 /* A packet arriving the vf's mac should be accepted 1385 * with any vlan 1386 */ 1387 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept); 1388 1389 /* set rx-mode */ 1390 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, 1391 msg->vf_qid, accept); 1392 if (rc) { 1393 vfop->rc = rc; 1394 goto op_err; 1395 } 1396 return; 1397 } 1398 /* fall through */ 1399 1400 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST: 1401 /* next state */ 1402 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE; 1403 1404 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) { 1405 /* set mcasts */ 1406 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast, 1407 msg->n_multicast, false); 1408 if (rc) { 1409 vfop->rc = rc; 1410 goto op_err; 1411 } 1412 return; 1413 } 1414 /* fall through */ 1415 op_done: 1416 case BNX2X_VFOP_MBX_Q_FILTERS_DONE: 1417 bnx2x_vfop_end(bp, vf, vfop); 1418 return; 1419 op_err: 1420 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n", 1421 vf->abs_vfid, msg->vf_qid, vfop->rc); 1422 goto op_done; 1423 1424 default: 1425 bnx2x_vfop_default(state); 1426 } 1427 } 1428 1429 static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp, 1430 struct bnx2x_virtf *vf, 1431 struct bnx2x_vfop_cmd *cmd) 1432 { 1433 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); 1434 if (vfop) { 1435 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS, 1436 bnx2x_vfop_mbx_qfilters, cmd->done); 1437 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters, 1438 cmd->block); 1439 } 1440 return -ENOMEM; 1441 } 1442 1443 static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp, 1444 struct bnx2x_virtf *vf, 1445 struct bnx2x_vf_mbx *mbx) 1446 { 1447 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters; 1448 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index); 1449 struct bnx2x_vfop_cmd cmd = { 1450 .done = bnx2x_vf_mbx_resp, 1451 .block = false, 1452 }; 1453 1454 /* if a mac was already set for this VF via the set vf mac ndo, we only 1455 * accept mac configurations of that mac. Why accept them at all? 1456 * because PF may have been unable to configure the mac at the time 1457 * since queue was not set up. 1458 */ 1459 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) { 1460 /* once a mac was set by ndo can only accept a single mac... */ 1461 if (filters->n_mac_vlan_filters > 1) { 1462 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n", 1463 vf->abs_vfid); 1464 vf->op_rc = -EPERM; 1465 goto response; 1466 } 1467 1468 /* ...and only the mac set by the ndo */ 1469 if (filters->n_mac_vlan_filters == 1 && 1470 memcmp(filters->filters->mac, bulletin->mac, ETH_ALEN)) { 1471 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n", 1472 vf->abs_vfid); 1473 1474 vf->op_rc = -EPERM; 1475 goto response; 1476 } 1477 } 1478 1479 /* verify vf_qid */ 1480 if (filters->vf_qid > vf_rxq_count(vf)) 1481 goto response; 1482 1483 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n", 1484 vf->abs_vfid, 1485 filters->vf_qid); 1486 1487 /* print q_filter message */ 1488 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters); 1489 1490 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd); 1491 if (vf->op_rc) 1492 goto response; 1493 return; 1494 1495 response: 1496 bnx2x_vf_mbx_resp(bp, vf); 1497 } 1498 1499 static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf, 1500 struct bnx2x_vf_mbx *mbx) 1501 { 1502 int qid = mbx->msg->req.q_op.vf_qid; 1503 struct bnx2x_vfop_cmd cmd = { 1504 .done = bnx2x_vf_mbx_resp, 1505 .block = false, 1506 }; 1507 1508 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n", 1509 vf->abs_vfid, qid); 1510 1511 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid); 1512 if (vf->op_rc) 1513 bnx2x_vf_mbx_resp(bp, vf); 1514 } 1515 1516 static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1517 struct bnx2x_vf_mbx *mbx) 1518 { 1519 struct bnx2x_vfop_cmd cmd = { 1520 .done = bnx2x_vf_mbx_resp, 1521 .block = false, 1522 }; 1523 1524 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid); 1525 1526 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); 1527 if (vf->op_rc) 1528 bnx2x_vf_mbx_resp(bp, vf); 1529 } 1530 1531 static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf, 1532 struct bnx2x_vf_mbx *mbx) 1533 { 1534 struct bnx2x_vfop_cmd cmd = { 1535 .done = bnx2x_vf_mbx_resp, 1536 .block = false, 1537 }; 1538 1539 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid); 1540 1541 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); 1542 if (vf->op_rc) 1543 bnx2x_vf_mbx_resp(bp, vf); 1544 } 1545 1546 /* dispatch request */ 1547 static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf, 1548 struct bnx2x_vf_mbx *mbx) 1549 { 1550 int i; 1551 1552 /* check if tlv type is known */ 1553 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) { 1554 /* Lock the per vf op mutex and note the locker's identity. 1555 * The unlock will take place in mbx response. 1556 */ 1557 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type); 1558 1559 /* switch on the opcode */ 1560 switch (mbx->first_tlv.tl.type) { 1561 case CHANNEL_TLV_ACQUIRE: 1562 bnx2x_vf_mbx_acquire(bp, vf, mbx); 1563 break; 1564 case CHANNEL_TLV_INIT: 1565 bnx2x_vf_mbx_init_vf(bp, vf, mbx); 1566 break; 1567 case CHANNEL_TLV_SETUP_Q: 1568 bnx2x_vf_mbx_setup_q(bp, vf, mbx); 1569 break; 1570 case CHANNEL_TLV_SET_Q_FILTERS: 1571 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx); 1572 break; 1573 case CHANNEL_TLV_TEARDOWN_Q: 1574 bnx2x_vf_mbx_teardown_q(bp, vf, mbx); 1575 break; 1576 case CHANNEL_TLV_CLOSE: 1577 bnx2x_vf_mbx_close_vf(bp, vf, mbx); 1578 break; 1579 case CHANNEL_TLV_RELEASE: 1580 bnx2x_vf_mbx_release_vf(bp, vf, mbx); 1581 break; 1582 } 1583 1584 } else { 1585 /* unknown TLV - this may belong to a VF driver from the future 1586 * - a version written after this PF driver was written, which 1587 * supports features unknown as of yet. Too bad since we don't 1588 * support them. Or this may be because someone wrote a crappy 1589 * VF driver and is sending garbage over the channel. 1590 */ 1591 BNX2X_ERR("unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n", 1592 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length); 1593 for (i = 0; i < 20; i++) 1594 DP_CONT(BNX2X_MSG_IOV, "%x ", 1595 mbx->msg->req.tlv_buf_size.tlv_buffer[i]); 1596 1597 /* test whether we can respond to the VF (do we have an address 1598 * for it?) 1599 */ 1600 if (vf->state == VF_ACQUIRED) { 1601 /* mbx_resp uses the op_rc of the VF */ 1602 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED; 1603 1604 /* notify the VF that we do not support this request */ 1605 bnx2x_vf_mbx_resp(bp, vf); 1606 } else { 1607 /* can't send a response since this VF is unknown to us 1608 * just unlock the channel and be done with. 1609 */ 1610 bnx2x_unlock_vf_pf_channel(bp, vf, 1611 mbx->first_tlv.tl.type); 1612 } 1613 } 1614 } 1615 1616 /* handle new vf-pf message */ 1617 void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event) 1618 { 1619 struct bnx2x_virtf *vf; 1620 struct bnx2x_vf_mbx *mbx; 1621 u8 vf_idx; 1622 int rc; 1623 1624 DP(BNX2X_MSG_IOV, 1625 "vf pf event received: vfid %d, address_hi %x, address lo %x", 1626 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo); 1627 /* Sanity checks consider removing later */ 1628 1629 /* check if the vf_id is valid */ 1630 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf > 1631 BNX2X_NR_VIRTFN(bp)) { 1632 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n", 1633 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp)); 1634 goto mbx_done; 1635 } 1636 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id); 1637 mbx = BP_VF_MBX(bp, vf_idx); 1638 1639 /* verify an event is not currently being processed - 1640 * debug failsafe only 1641 */ 1642 if (mbx->flags & VF_MSG_INPROCESS) { 1643 BNX2X_ERR("Previous message is still being processed, vf_id %d\n", 1644 vfpf_event->vf_id); 1645 goto mbx_done; 1646 } 1647 vf = BP_VF(bp, vf_idx); 1648 1649 /* save the VF message address */ 1650 mbx->vf_addr_hi = vfpf_event->msg_addr_hi; 1651 mbx->vf_addr_lo = vfpf_event->msg_addr_lo; 1652 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n", 1653 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset); 1654 1655 /* dmae to get the VF request */ 1656 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid, 1657 mbx->vf_addr_hi, mbx->vf_addr_lo, 1658 sizeof(union vfpf_tlvs)/4); 1659 if (rc) { 1660 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid); 1661 goto mbx_error; 1662 } 1663 1664 /* process the VF message header */ 1665 mbx->first_tlv = mbx->msg->req.first_tlv; 1666 1667 /* dispatch the request (will prepare the response) */ 1668 bnx2x_vf_mbx_request(bp, vf, mbx); 1669 goto mbx_done; 1670 1671 mbx_error: 1672 bnx2x_vf_release(bp, vf, false); /* non blocking */ 1673 mbx_done: 1674 return; 1675 } 1676 1677 /* propagate local bulletin board to vf */ 1678 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf) 1679 { 1680 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf); 1681 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping + 1682 vf * BULLETIN_CONTENT_SIZE; 1683 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map); 1684 int rc; 1685 1686 /* can only update vf after init took place */ 1687 if (bnx2x_vf(bp, vf, state) != VF_ENABLED && 1688 bnx2x_vf(bp, vf, state) != VF_ACQUIRED) 1689 return 0; 1690 1691 /* increment bulletin board version and compute crc */ 1692 bulletin->version++; 1693 bulletin->length = BULLETIN_CONTENT_SIZE; 1694 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin); 1695 1696 /* propagate bulletin board via dmae to vm memory */ 1697 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, 1698 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr), 1699 U64_LO(vf_addr), bulletin->length / 4); 1700 return rc; 1701 } 1702