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1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)2/* QLogic qed NIC Driver3 * Copyright (c) 2015-2017 QLogic Corporation4 * Copyright (c) 2019-2020 Marvell International Ltd.5 */6 7#include <linux/etherdevice.h>8#include <linux/crc32.h>9#include <linux/vmalloc.h>10#include <linux/crash_dump.h>11#include <linux/qed/qed_iov_if.h>12#include "qed_cxt.h"13#include "qed_hsi.h"14#include "qed_iro_hsi.h"15#include "qed_hw.h"16#include "qed_init_ops.h"17#include "qed_int.h"18#include "qed_mcp.h"19#include "qed_reg_addr.h"20#include "qed_sp.h"21#include "qed_sriov.h"22#include "qed_vf.h"23static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);24 25static u16 qed_vf_from_entity_id(__le16 entity_id)26{27 return le16_to_cpu(entity_id) - MAX_NUM_PFS;28}29 30static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)31{32 u8 legacy = 0;33 34 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==35 ETH_HSI_VER_NO_PKT_LEN_TUNN)36 legacy |= QED_QCID_LEGACY_VF_RX_PROD;37 38 if (!(p_vf->acquire.vfdev_info.capabilities &39 VFPF_ACQUIRE_CAP_QUEUE_QIDS))40 legacy |= QED_QCID_LEGACY_VF_CID;41 42 return legacy;43}44 45/* IOV ramrods */46static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)47{48 struct vf_start_ramrod_data *p_ramrod = NULL;49 struct qed_spq_entry *p_ent = NULL;50 struct qed_sp_init_data init_data;51 int rc = -EINVAL;52 u8 fp_minor;53 54 /* Get SPQ entry */55 memset(&init_data, 0, sizeof(init_data));56 init_data.cid = qed_spq_get_cid(p_hwfn);57 init_data.opaque_fid = p_vf->opaque_fid;58 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;59 60 rc = qed_sp_init_request(p_hwfn, &p_ent,61 COMMON_RAMROD_VF_START,62 PROTOCOLID_COMMON, &init_data);63 if (rc)64 return rc;65 66 p_ramrod = &p_ent->ramrod.vf_start;67 68 p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);69 p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);70 71 switch (p_hwfn->hw_info.personality) {72 case QED_PCI_ETH:73 p_ramrod->personality = PERSONALITY_ETH;74 break;75 case QED_PCI_ETH_ROCE:76 case QED_PCI_ETH_IWARP:77 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;78 break;79 default:80 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",81 p_hwfn->hw_info.personality);82 qed_sp_destroy_request(p_hwfn, p_ent);83 return -EINVAL;84 }85 86 fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;87 if (fp_minor > ETH_HSI_VER_MINOR &&88 fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {89 DP_VERBOSE(p_hwfn,90 QED_MSG_IOV,91 "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",92 p_vf->abs_vf_id,93 ETH_HSI_VER_MAJOR,94 fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);95 fp_minor = ETH_HSI_VER_MINOR;96 }97 98 p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;99 p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;100 101 DP_VERBOSE(p_hwfn, QED_MSG_IOV,102 "VF[%d] - Starting using HSI %02x.%02x\n",103 p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);104 105 return qed_spq_post(p_hwfn, p_ent, NULL);106}107 108static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,109 u32 concrete_vfid, u16 opaque_vfid)110{111 struct vf_stop_ramrod_data *p_ramrod = NULL;112 struct qed_spq_entry *p_ent = NULL;113 struct qed_sp_init_data init_data;114 int rc = -EINVAL;115 116 /* Get SPQ entry */117 memset(&init_data, 0, sizeof(init_data));118 init_data.cid = qed_spq_get_cid(p_hwfn);119 init_data.opaque_fid = opaque_vfid;120 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;121 122 rc = qed_sp_init_request(p_hwfn, &p_ent,123 COMMON_RAMROD_VF_STOP,124 PROTOCOLID_COMMON, &init_data);125 if (rc)126 return rc;127 128 p_ramrod = &p_ent->ramrod.vf_stop;129 130 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);131 132 return qed_spq_post(p_hwfn, p_ent, NULL);133}134 135bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,136 int rel_vf_id,137 bool b_enabled_only, bool b_non_malicious)138{139 if (!p_hwfn->pf_iov_info) {140 DP_NOTICE(p_hwfn->cdev, "No iov info\n");141 return false;142 }143 144 if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||145 (rel_vf_id < 0))146 return false;147 148 if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&149 b_enabled_only)150 return false;151 152 if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&153 b_non_malicious)154 return false;155 156 return true;157}158 159static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,160 u16 relative_vf_id,161 bool b_enabled_only)162{163 struct qed_vf_info *vf = NULL;164 165 if (!p_hwfn->pf_iov_info) {166 DP_NOTICE(p_hwfn->cdev, "No iov info\n");167 return NULL;168 }169 170 if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,171 b_enabled_only, false))172 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];173 else174 DP_ERR(p_hwfn, "%s: VF[%d] is not enabled\n",175 __func__, relative_vf_id);176 177 return vf;178}179 180static struct qed_queue_cid *181qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)182{183 int i;184 185 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {186 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)187 return p_queue->cids[i].p_cid;188 }189 190 return NULL;191}192 193enum qed_iov_validate_q_mode {194 QED_IOV_VALIDATE_Q_NA,195 QED_IOV_VALIDATE_Q_ENABLE,196 QED_IOV_VALIDATE_Q_DISABLE,197};198 199static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,200 struct qed_vf_info *p_vf,201 u16 qid,202 enum qed_iov_validate_q_mode mode,203 bool b_is_tx)204{205 int i;206 207 if (mode == QED_IOV_VALIDATE_Q_NA)208 return true;209 210 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {211 struct qed_vf_queue_cid *p_qcid;212 213 p_qcid = &p_vf->vf_queues[qid].cids[i];214 215 if (!p_qcid->p_cid)216 continue;217 218 if (p_qcid->b_is_tx != b_is_tx)219 continue;220 221 return mode == QED_IOV_VALIDATE_Q_ENABLE;222 }223 224 /* In case we haven't found any valid cid, then its disabled */225 return mode == QED_IOV_VALIDATE_Q_DISABLE;226}227 228static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,229 struct qed_vf_info *p_vf,230 u16 rx_qid,231 enum qed_iov_validate_q_mode mode)232{233 if (rx_qid >= p_vf->num_rxqs) {234 DP_VERBOSE(p_hwfn,235 QED_MSG_IOV,236 "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",237 p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);238 return false;239 }240 241 return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);242}243 244static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,245 struct qed_vf_info *p_vf,246 u16 tx_qid,247 enum qed_iov_validate_q_mode mode)248{249 if (tx_qid >= p_vf->num_txqs) {250 DP_VERBOSE(p_hwfn,251 QED_MSG_IOV,252 "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",253 p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);254 return false;255 }256 257 return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);258}259 260static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,261 struct qed_vf_info *p_vf, u16 sb_idx)262{263 int i;264 265 for (i = 0; i < p_vf->num_sbs; i++)266 if (p_vf->igu_sbs[i] == sb_idx)267 return true;268 269 DP_VERBOSE(p_hwfn,270 QED_MSG_IOV,271 "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",272 p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);273 274 return false;275}276 277static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,278 struct qed_vf_info *p_vf)279{280 u8 i;281 282 for (i = 0; i < p_vf->num_rxqs; i++)283 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,284 QED_IOV_VALIDATE_Q_ENABLE,285 false))286 return true;287 288 return false;289}290 291static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,292 struct qed_vf_info *p_vf)293{294 u8 i;295 296 for (i = 0; i < p_vf->num_txqs; i++)297 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,298 QED_IOV_VALIDATE_Q_ENABLE,299 true))300 return true;301 302 return false;303}304 305static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,306 int vfid, struct qed_ptt *p_ptt)307{308 struct qed_bulletin_content *p_bulletin;309 int crc_size = sizeof(p_bulletin->crc);310 struct qed_dmae_params params;311 struct qed_vf_info *p_vf;312 313 p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);314 if (!p_vf)315 return -EINVAL;316 317 if (!p_vf->vf_bulletin)318 return -EINVAL;319 320 p_bulletin = p_vf->bulletin.p_virt;321 322 /* Increment bulletin board version and compute crc */323 p_bulletin->version++;324 p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,325 p_vf->bulletin.size - crc_size);326 327 DP_VERBOSE(p_hwfn, QED_MSG_IOV,328 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",329 p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);330 331 /* propagate bulletin board via dmae to vm memory */332 memset(¶ms, 0, sizeof(params));333 SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);334 params.dst_vfid = p_vf->abs_vf_id;335 return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,336 p_vf->vf_bulletin, p_vf->bulletin.size / 4,337 ¶ms);338}339 340static int qed_iov_pci_cfg_info(struct qed_dev *cdev)341{342 struct qed_hw_sriov_info *iov = cdev->p_iov_info;343 int pos = iov->pos;344 345 DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);346 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);347 348 pci_read_config_word(cdev->pdev,349 pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);350 pci_read_config_word(cdev->pdev,351 pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);352 353 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);354 if (iov->num_vfs) {355 DP_VERBOSE(cdev,356 QED_MSG_IOV,357 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");358 iov->num_vfs = 0;359 }360 361 pci_read_config_word(cdev->pdev,362 pos + PCI_SRIOV_VF_OFFSET, &iov->offset);363 364 pci_read_config_word(cdev->pdev,365 pos + PCI_SRIOV_VF_STRIDE, &iov->stride);366 367 pci_read_config_word(cdev->pdev,368 pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);369 370 pci_read_config_dword(cdev->pdev,371 pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);372 373 pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);374 375 pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);376 377 DP_VERBOSE(cdev,378 QED_MSG_IOV,379 "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",380 iov->nres,381 iov->cap,382 iov->ctrl,383 iov->total_vfs,384 iov->initial_vfs,385 iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);386 387 /* Some sanity checks */388 if (iov->num_vfs > NUM_OF_VFS(cdev) ||389 iov->total_vfs > NUM_OF_VFS(cdev)) {390 /* This can happen only due to a bug. In this case we set391 * num_vfs to zero to avoid memory corruption in the code that392 * assumes max number of vfs393 */394 DP_NOTICE(cdev,395 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",396 iov->num_vfs);397 398 iov->num_vfs = 0;399 iov->total_vfs = 0;400 }401 402 return 0;403}404 405static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)406{407 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;408 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;409 struct qed_bulletin_content *p_bulletin_virt;410 dma_addr_t req_p, rply_p, bulletin_p;411 union pfvf_tlvs *p_reply_virt_addr;412 union vfpf_tlvs *p_req_virt_addr;413 u8 idx = 0;414 415 memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));416 417 p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;418 req_p = p_iov_info->mbx_msg_phys_addr;419 p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;420 rply_p = p_iov_info->mbx_reply_phys_addr;421 p_bulletin_virt = p_iov_info->p_bulletins;422 bulletin_p = p_iov_info->bulletins_phys;423 if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {424 DP_ERR(p_hwfn,425 "%s called without allocating mem first\n", __func__);426 return;427 }428 429 for (idx = 0; idx < p_iov->total_vfs; idx++) {430 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];431 u32 concrete;432 433 vf->vf_mbx.req_virt = p_req_virt_addr + idx;434 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);435 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;436 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);437 438 vf->state = VF_STOPPED;439 vf->b_init = false;440 441 vf->bulletin.phys = idx *442 sizeof(struct qed_bulletin_content) +443 bulletin_p;444 vf->bulletin.p_virt = p_bulletin_virt + idx;445 vf->bulletin.size = sizeof(struct qed_bulletin_content);446 447 vf->relative_vf_id = idx;448 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;449 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);450 vf->concrete_fid = concrete;451 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |452 (vf->abs_vf_id << 8);453 vf->vport_id = idx + 1;454 455 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;456 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;457 }458}459 460static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)461{462 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;463 void **p_v_addr;464 u16 num_vfs = 0;465 466 num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;467 468 DP_VERBOSE(p_hwfn, QED_MSG_IOV,469 "%s for %d VFs\n", __func__, num_vfs);470 471 /* Allocate PF Mailbox buffer (per-VF) */472 p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;473 p_v_addr = &p_iov_info->mbx_msg_virt_addr;474 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,475 p_iov_info->mbx_msg_size,476 &p_iov_info->mbx_msg_phys_addr,477 GFP_KERNEL);478 if (!*p_v_addr)479 return -ENOMEM;480 481 /* Allocate PF Mailbox Reply buffer (per-VF) */482 p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;483 p_v_addr = &p_iov_info->mbx_reply_virt_addr;484 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,485 p_iov_info->mbx_reply_size,486 &p_iov_info->mbx_reply_phys_addr,487 GFP_KERNEL);488 if (!*p_v_addr)489 return -ENOMEM;490 491 p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *492 num_vfs;493 p_v_addr = &p_iov_info->p_bulletins;494 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,495 p_iov_info->bulletins_size,496 &p_iov_info->bulletins_phys,497 GFP_KERNEL);498 if (!*p_v_addr)499 return -ENOMEM;500 501 DP_VERBOSE(p_hwfn,502 QED_MSG_IOV,503 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",504 p_iov_info->mbx_msg_virt_addr,505 (u64)p_iov_info->mbx_msg_phys_addr,506 p_iov_info->mbx_reply_virt_addr,507 (u64)p_iov_info->mbx_reply_phys_addr,508 p_iov_info->p_bulletins, (u64)p_iov_info->bulletins_phys);509 510 return 0;511}512 513static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)514{515 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;516 517 if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)518 dma_free_coherent(&p_hwfn->cdev->pdev->dev,519 p_iov_info->mbx_msg_size,520 p_iov_info->mbx_msg_virt_addr,521 p_iov_info->mbx_msg_phys_addr);522 523 if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)524 dma_free_coherent(&p_hwfn->cdev->pdev->dev,525 p_iov_info->mbx_reply_size,526 p_iov_info->mbx_reply_virt_addr,527 p_iov_info->mbx_reply_phys_addr);528 529 if (p_iov_info->p_bulletins)530 dma_free_coherent(&p_hwfn->cdev->pdev->dev,531 p_iov_info->bulletins_size,532 p_iov_info->p_bulletins,533 p_iov_info->bulletins_phys);534}535 536int qed_iov_alloc(struct qed_hwfn *p_hwfn)537{538 struct qed_pf_iov *p_sriov;539 540 if (!IS_PF_SRIOV(p_hwfn)) {541 DP_VERBOSE(p_hwfn, QED_MSG_IOV,542 "No SR-IOV - no need for IOV db\n");543 return 0;544 }545 546 p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);547 if (!p_sriov)548 return -ENOMEM;549 550 p_hwfn->pf_iov_info = p_sriov;551 552 qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,553 qed_sriov_eqe_event);554 555 return qed_iov_allocate_vfdb(p_hwfn);556}557 558void qed_iov_setup(struct qed_hwfn *p_hwfn)559{560 if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))561 return;562 563 qed_iov_setup_vfdb(p_hwfn);564}565 566void qed_iov_free(struct qed_hwfn *p_hwfn)567{568 qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);569 570 if (IS_PF_SRIOV_ALLOC(p_hwfn)) {571 qed_iov_free_vfdb(p_hwfn);572 kfree(p_hwfn->pf_iov_info);573 }574}575 576void qed_iov_free_hw_info(struct qed_dev *cdev)577{578 kfree(cdev->p_iov_info);579 cdev->p_iov_info = NULL;580}581 582int qed_iov_hw_info(struct qed_hwfn *p_hwfn)583{584 struct qed_dev *cdev = p_hwfn->cdev;585 int pos;586 int rc;587 588 if (is_kdump_kernel())589 return 0;590 591 if (IS_VF(p_hwfn->cdev))592 return 0;593 594 /* Learn the PCI configuration */595 pos = pci_find_ext_capability(p_hwfn->cdev->pdev,596 PCI_EXT_CAP_ID_SRIOV);597 if (!pos) {598 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");599 return 0;600 }601 602 /* Allocate a new struct for IOV information */603 cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);604 if (!cdev->p_iov_info)605 return -ENOMEM;606 607 cdev->p_iov_info->pos = pos;608 609 rc = qed_iov_pci_cfg_info(cdev);610 if (rc)611 return rc;612 613 /* We want PF IOV to be synonemous with the existence of p_iov_info;614 * In case the capability is published but there are no VFs, simply615 * de-allocate the struct.616 */617 if (!cdev->p_iov_info->total_vfs) {618 DP_VERBOSE(p_hwfn, QED_MSG_IOV,619 "IOV capabilities, but no VFs are published\n");620 kfree(cdev->p_iov_info);621 cdev->p_iov_info = NULL;622 return 0;623 }624 625 /* First VF index based on offset is tricky:626 * - If ARI is supported [likely], offset - (16 - pf_id) would627 * provide the number for eng0. 2nd engine Vfs would begin628 * after the first engine's VFs.629 * - If !ARI, VFs would start on next device.630 * so offset - (256 - pf_id) would provide the number.631 * Utilize the fact that (256 - pf_id) is achieved only by later632 * to differentiate between the two.633 */634 635 if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {636 u32 first = p_hwfn->cdev->p_iov_info->offset +637 p_hwfn->abs_pf_id - 16;638 639 cdev->p_iov_info->first_vf_in_pf = first;640 641 if (QED_PATH_ID(p_hwfn))642 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;643 } else {644 u32 first = p_hwfn->cdev->p_iov_info->offset +645 p_hwfn->abs_pf_id - 256;646 647 cdev->p_iov_info->first_vf_in_pf = first;648 }649 650 DP_VERBOSE(p_hwfn, QED_MSG_IOV,651 "First VF in hwfn 0x%08x\n",652 cdev->p_iov_info->first_vf_in_pf);653 654 return 0;655}656 657static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,658 int vfid, bool b_fail_malicious)659{660 /* Check PF supports sriov */661 if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||662 !IS_PF_SRIOV_ALLOC(p_hwfn))663 return false;664 665 /* Check VF validity */666 if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))667 return false;668 669 return true;670}671 672static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)673{674 return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);675}676 677static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,678 u16 rel_vf_id, u8 to_disable)679{680 struct qed_vf_info *vf;681 int i;682 683 for_each_hwfn(cdev, i) {684 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];685 686 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);687 if (!vf)688 continue;689 690 vf->to_disable = to_disable;691 }692}693 694static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)695{696 u16 i;697 698 if (!IS_QED_SRIOV(cdev))699 return;700 701 for (i = 0; i < cdev->p_iov_info->total_vfs; i++)702 qed_iov_set_vf_to_disable(cdev, i, to_disable);703}704 705static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,706 struct qed_ptt *p_ptt, u8 abs_vfid)707{708 qed_wr(p_hwfn, p_ptt,709 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,710 1 << (abs_vfid & 0x1f));711}712 713static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,714 struct qed_ptt *p_ptt, struct qed_vf_info *vf)715{716 int i;717 718 /* Set VF masks and configuration - pretend */719 qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);720 721 qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);722 723 /* unpretend */724 qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);725 726 /* iterate over all queues, clear sb consumer */727 for (i = 0; i < vf->num_sbs; i++)728 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,729 vf->igu_sbs[i],730 vf->opaque_fid, true);731}732 733static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,734 struct qed_ptt *p_ptt,735 struct qed_vf_info *vf, bool enable)736{737 u32 igu_vf_conf;738 739 qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);740 741 igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);742 743 if (enable)744 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;745 else746 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;747 748 qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);749 750 /* unpretend */751 qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);752}753 754static int755qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,756 struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)757{758 u8 current_max = 0;759 int i;760 761 /* For AH onward, configuration is per-PF. Find maximum of all762 * the currently enabled child VFs, and set the number to be that.763 */764 if (!QED_IS_BB(p_hwfn->cdev)) {765 qed_for_each_vf(p_hwfn, i) {766 struct qed_vf_info *p_vf;767 768 p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);769 if (!p_vf)770 continue;771 772 current_max = max_t(u8, current_max, p_vf->num_sbs);773 }774 }775 776 if (num_sbs > current_max)777 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,778 abs_vf_id, num_sbs);779 780 return 0;781}782 783static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,784 struct qed_ptt *p_ptt,785 struct qed_vf_info *vf)786{787 u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;788 int rc;789 790 /* It's possible VF was previously considered malicious -791 * clear the indication even if we're only going to disable VF.792 */793 vf->b_malicious = false;794 795 if (vf->to_disable)796 return 0;797 798 DP_VERBOSE(p_hwfn,799 QED_MSG_IOV,800 "Enable internal access for vf %x [abs %x]\n",801 vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));802 803 qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));804 805 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);806 807 rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,808 vf->abs_vf_id, vf->num_sbs);809 if (rc)810 return rc;811 812 qed_fid_pretend(p_hwfn, p_ptt, (u16)vf->concrete_fid);813 814 SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);815 STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);816 817 qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,818 p_hwfn->hw_info.hw_mode);819 820 /* unpretend */821 qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);822 823 vf->state = VF_FREE;824 825 return rc;826}827 828/**829 * qed_iov_config_perm_table() - Configure the permission zone table.830 *831 * @p_hwfn: HW device data.832 * @p_ptt: PTT window for writing the registers.833 * @vf: VF info data.834 * @enable: The actual permission for this VF.835 *836 * In E4, queue zone permission table size is 320x9. There837 * are 320 VF queues for single engine device (256 for dual838 * engine device), and each entry has the following format:839 * {Valid, VF[7:0]}840 */841static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,842 struct qed_ptt *p_ptt,843 struct qed_vf_info *vf, u8 enable)844{845 u32 reg_addr, val;846 u16 qzone_id = 0;847 int qid;848 849 for (qid = 0; qid < vf->num_rxqs; qid++) {850 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,851 &qzone_id);852 853 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;854 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;855 qed_wr(p_hwfn, p_ptt, reg_addr, val);856 }857}858 859static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,860 struct qed_ptt *p_ptt,861 struct qed_vf_info *vf)862{863 /* Reset vf in IGU - interrupts are still disabled */864 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);865 866 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);867 868 /* Permission Table */869 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);870}871 872static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,873 struct qed_ptt *p_ptt,874 struct qed_vf_info *vf, u16 num_rx_queues)875{876 struct qed_igu_block *p_block;877 struct cau_sb_entry sb_entry;878 int qid = 0;879 u32 val = 0;880 881 if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)882 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;883 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;884 885 SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);886 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);887 SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);888 889 for (qid = 0; qid < num_rx_queues; qid++) {890 p_block = qed_get_igu_free_sb(p_hwfn, false);891 vf->igu_sbs[qid] = p_block->igu_sb_id;892 p_block->status &= ~QED_IGU_STATUS_FREE;893 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);894 895 qed_wr(p_hwfn, p_ptt,896 IGU_REG_MAPPING_MEMORY +897 sizeof(u32) * p_block->igu_sb_id, val);898 899 /* Configure igu sb in CAU which were marked valid */900 qed_init_cau_sb_entry(p_hwfn, &sb_entry,901 p_hwfn->rel_pf_id, vf->abs_vf_id, 1);902 903 qed_dmae_host2grc(p_hwfn, p_ptt,904 (u64)(uintptr_t)&sb_entry,905 CAU_REG_SB_VAR_MEMORY +906 p_block->igu_sb_id * sizeof(u64), 2, NULL);907 }908 909 vf->num_sbs = (u8)num_rx_queues;910 911 return vf->num_sbs;912}913 914static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,915 struct qed_ptt *p_ptt,916 struct qed_vf_info *vf)917{918 struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;919 int idx, igu_id;920 u32 addr, val;921 922 /* Invalidate igu CAM lines and mark them as free */923 for (idx = 0; idx < vf->num_sbs; idx++) {924 igu_id = vf->igu_sbs[idx];925 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;926 927 val = qed_rd(p_hwfn, p_ptt, addr);928 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);929 qed_wr(p_hwfn, p_ptt, addr, val);930 931 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;932 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;933 }934 935 vf->num_sbs = 0;936}937 938static void qed_iov_set_link(struct qed_hwfn *p_hwfn,939 u16 vfid,940 struct qed_mcp_link_params *params,941 struct qed_mcp_link_state *link,942 struct qed_mcp_link_capabilities *p_caps)943{944 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,945 vfid,946 false);947 struct qed_bulletin_content *p_bulletin;948 949 if (!p_vf)950 return;951 952 p_bulletin = p_vf->bulletin.p_virt;953 p_bulletin->req_autoneg = params->speed.autoneg;954 p_bulletin->req_adv_speed = params->speed.advertised_speeds;955 p_bulletin->req_forced_speed = params->speed.forced_speed;956 p_bulletin->req_autoneg_pause = params->pause.autoneg;957 p_bulletin->req_forced_rx = params->pause.forced_rx;958 p_bulletin->req_forced_tx = params->pause.forced_tx;959 p_bulletin->req_loopback = params->loopback_mode;960 961 p_bulletin->link_up = link->link_up;962 p_bulletin->speed = link->speed;963 p_bulletin->full_duplex = link->full_duplex;964 p_bulletin->autoneg = link->an;965 p_bulletin->autoneg_complete = link->an_complete;966 p_bulletin->parallel_detection = link->parallel_detection;967 p_bulletin->pfc_enabled = link->pfc_enabled;968 p_bulletin->partner_adv_speed = link->partner_adv_speed;969 p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;970 p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;971 p_bulletin->partner_adv_pause = link->partner_adv_pause;972 p_bulletin->sfp_tx_fault = link->sfp_tx_fault;973 974 p_bulletin->capability_speed = p_caps->speed_capabilities;975}976 977static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,978 struct qed_ptt *p_ptt,979 struct qed_iov_vf_init_params *p_params)980{981 struct qed_mcp_link_capabilities link_caps;982 struct qed_mcp_link_params link_params;983 struct qed_mcp_link_state link_state;984 u8 num_of_vf_avaiable_chains = 0;985 struct qed_vf_info *vf = NULL;986 u16 qid, num_irqs;987 int rc = 0;988 u32 cids;989 u8 i;990 991 vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);992 if (!vf) {993 DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__);994 return -EINVAL;995 }996 997 if (vf->b_init) {998 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",999 p_params->rel_vf_id);1000 return -EINVAL;1001 }1002 1003 /* Perform sanity checking on the requested queue_id */1004 for (i = 0; i < p_params->num_queues; i++) {1005 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);1006 u16 max_vf_qzone = min_vf_qzone +1007 FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;1008 1009 qid = p_params->req_rx_queue[i];1010 if (qid < min_vf_qzone || qid > max_vf_qzone) {1011 DP_NOTICE(p_hwfn,1012 "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",1013 qid,1014 p_params->rel_vf_id,1015 min_vf_qzone, max_vf_qzone);1016 return -EINVAL;1017 }1018 1019 qid = p_params->req_tx_queue[i];1020 if (qid > max_vf_qzone) {1021 DP_NOTICE(p_hwfn,1022 "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",1023 qid, p_params->rel_vf_id, max_vf_qzone);1024 return -EINVAL;1025 }1026 1027 /* If client *really* wants, Tx qid can be shared with PF */1028 if (qid < min_vf_qzone)1029 DP_VERBOSE(p_hwfn,1030 QED_MSG_IOV,1031 "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",1032 p_params->rel_vf_id, qid, i);1033 }1034 1035 /* Limit number of queues according to number of CIDs */1036 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);1037 DP_VERBOSE(p_hwfn,1038 QED_MSG_IOV,1039 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",1040 vf->relative_vf_id, p_params->num_queues, (u16)cids);1041 num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));1042 1043 num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,1044 p_ptt,1045 vf, num_irqs);1046 if (!num_of_vf_avaiable_chains) {1047 DP_ERR(p_hwfn, "no available igu sbs\n");1048 return -ENOMEM;1049 }1050 1051 /* Choose queue number and index ranges */1052 vf->num_rxqs = num_of_vf_avaiable_chains;1053 vf->num_txqs = num_of_vf_avaiable_chains;1054 1055 for (i = 0; i < vf->num_rxqs; i++) {1056 struct qed_vf_queue *p_queue = &vf->vf_queues[i];1057 1058 p_queue->fw_rx_qid = p_params->req_rx_queue[i];1059 p_queue->fw_tx_qid = p_params->req_tx_queue[i];1060 1061 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1062 "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",1063 vf->relative_vf_id, i, vf->igu_sbs[i],1064 p_queue->fw_rx_qid, p_queue->fw_tx_qid);1065 }1066 1067 /* Update the link configuration in bulletin */1068 memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),1069 sizeof(link_params));1070 memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));1071 memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),1072 sizeof(link_caps));1073 qed_iov_set_link(p_hwfn, p_params->rel_vf_id,1074 &link_params, &link_state, &link_caps);1075 1076 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);1077 if (!rc) {1078 vf->b_init = true;1079 1080 if (IS_LEAD_HWFN(p_hwfn))1081 p_hwfn->cdev->p_iov_info->num_vfs++;1082 }1083 1084 return rc;1085}1086 1087static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,1088 struct qed_ptt *p_ptt, u16 rel_vf_id)1089{1090 struct qed_mcp_link_capabilities caps;1091 struct qed_mcp_link_params params;1092 struct qed_mcp_link_state link;1093 struct qed_vf_info *vf = NULL;1094 1095 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);1096 if (!vf) {1097 DP_ERR(p_hwfn, "%s : vf is NULL\n", __func__);1098 return -EINVAL;1099 }1100 1101 if (vf->bulletin.p_virt)1102 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));1103 1104 memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));1105 1106 /* Get the link configuration back in bulletin so1107 * that when VFs are re-enabled they get the actual1108 * link configuration.1109 */1110 memcpy(¶ms, qed_mcp_get_link_params(p_hwfn), sizeof(params));1111 memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));1112 memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));1113 qed_iov_set_link(p_hwfn, rel_vf_id, ¶ms, &link, &caps);1114 1115 /* Forget the VF's acquisition message */1116 memset(&vf->acquire, 0, sizeof(vf->acquire));1117 1118 /* disablng interrupts and resetting permission table was done during1119 * vf-close, however, we could get here without going through vf_close1120 */1121 /* Disable Interrupts for VF */1122 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);1123 1124 /* Reset Permission table */1125 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);1126 1127 vf->num_rxqs = 0;1128 vf->num_txqs = 0;1129 qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);1130 1131 if (vf->b_init) {1132 vf->b_init = false;1133 1134 if (IS_LEAD_HWFN(p_hwfn))1135 p_hwfn->cdev->p_iov_info->num_vfs--;1136 }1137 1138 return 0;1139}1140 1141static bool qed_iov_tlv_supported(u16 tlvtype)1142{1143 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;1144}1145 1146/* place a given tlv on the tlv buffer, continuing current tlv list */1147void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)1148{1149 struct channel_tlv *tl = (struct channel_tlv *)*offset;1150 1151 tl->type = type;1152 tl->length = length;1153 1154 /* Offset should keep pointing to next TLV (the end of the last) */1155 *offset += length;1156 1157 /* Return a pointer to the start of the added tlv */1158 return *offset - length;1159}1160 1161/* list the types and lengths of the tlvs on the buffer */1162void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)1163{1164 u16 i = 1, total_length = 0;1165 struct channel_tlv *tlv;1166 1167 do {1168 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);1169 1170 /* output tlv */1171 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1172 "TLV number %d: type %d, length %d\n",1173 i, tlv->type, tlv->length);1174 1175 if (tlv->type == CHANNEL_TLV_LIST_END)1176 return;1177 1178 /* Validate entry - protect against malicious VFs */1179 if (!tlv->length) {1180 DP_NOTICE(p_hwfn, "TLV of length 0 found\n");1181 return;1182 }1183 1184 total_length += tlv->length;1185 1186 if (total_length >= sizeof(struct tlv_buffer_size)) {1187 DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");1188 return;1189 }1190 1191 i++;1192 } while (1);1193}1194 1195static void qed_iov_send_response(struct qed_hwfn *p_hwfn,1196 struct qed_ptt *p_ptt,1197 struct qed_vf_info *p_vf,1198 u16 length, u8 status)1199{1200 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;1201 struct qed_dmae_params params;1202 u8 eng_vf_id;1203 1204 mbx->reply_virt->default_resp.hdr.status = status;1205 1206 qed_dp_tlv_list(p_hwfn, mbx->reply_virt);1207 1208 eng_vf_id = p_vf->abs_vf_id;1209 1210 memset(¶ms, 0, sizeof(params));1211 SET_FIELD(params.flags, QED_DMAE_PARAMS_DST_VF_VALID, 0x1);1212 params.dst_vfid = eng_vf_id;1213 1214 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),1215 mbx->req_virt->first_tlv.reply_address +1216 sizeof(u64),1217 (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,1218 ¶ms);1219 1220 /* Once PF copies the rc to the VF, the latter can continue1221 * and send an additional message. So we have to make sure the1222 * channel would be re-set to ready prior to that.1223 */1224 REG_WR(p_hwfn,1225 GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,1226 USTORM_VF_PF_CHANNEL_READY, eng_vf_id), 1);1227 1228 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,1229 mbx->req_virt->first_tlv.reply_address,1230 sizeof(u64) / 4, ¶ms);1231}1232 1233static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,1234 enum qed_iov_vport_update_flag flag)1235{1236 switch (flag) {1237 case QED_IOV_VP_UPDATE_ACTIVATE:1238 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;1239 case QED_IOV_VP_UPDATE_VLAN_STRIP:1240 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;1241 case QED_IOV_VP_UPDATE_TX_SWITCH:1242 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;1243 case QED_IOV_VP_UPDATE_MCAST:1244 return CHANNEL_TLV_VPORT_UPDATE_MCAST;1245 case QED_IOV_VP_UPDATE_ACCEPT_PARAM:1246 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;1247 case QED_IOV_VP_UPDATE_RSS:1248 return CHANNEL_TLV_VPORT_UPDATE_RSS;1249 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:1250 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;1251 case QED_IOV_VP_UPDATE_SGE_TPA:1252 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;1253 default:1254 return 0;1255 }1256}1257 1258static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,1259 struct qed_vf_info *p_vf,1260 struct qed_iov_vf_mbx *p_mbx,1261 u8 status,1262 u16 tlvs_mask, u16 tlvs_accepted)1263{1264 struct pfvf_def_resp_tlv *resp;1265 u16 size, total_len, i;1266 1267 memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));1268 p_mbx->offset = (u8 *)p_mbx->reply_virt;1269 size = sizeof(struct pfvf_def_resp_tlv);1270 total_len = size;1271 1272 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);1273 1274 /* Prepare response for all extended tlvs if they are found by PF */1275 for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {1276 if (!(tlvs_mask & BIT(i)))1277 continue;1278 1279 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,1280 qed_iov_vport_to_tlv(p_hwfn, i), size);1281 1282 if (tlvs_accepted & BIT(i))1283 resp->hdr.status = status;1284 else1285 resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;1286 1287 DP_VERBOSE(p_hwfn,1288 QED_MSG_IOV,1289 "VF[%d] - vport_update response: TLV %d, status %02x\n",1290 p_vf->relative_vf_id,1291 qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);1292 1293 total_len += size;1294 }1295 1296 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,1297 sizeof(struct channel_list_end_tlv));1298 1299 return total_len;1300}1301 1302static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,1303 struct qed_ptt *p_ptt,1304 struct qed_vf_info *vf_info,1305 u16 type, u16 length, u8 status)1306{1307 struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;1308 1309 mbx->offset = (u8 *)mbx->reply_virt;1310 1311 qed_add_tlv(p_hwfn, &mbx->offset, type, length);1312 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,1313 sizeof(struct channel_list_end_tlv));1314 1315 qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);1316}1317 1318static struct1319qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,1320 u16 relative_vf_id,1321 bool b_enabled_only)1322{1323 struct qed_vf_info *vf = NULL;1324 1325 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);1326 if (!vf)1327 return NULL;1328 1329 return &vf->p_vf_info;1330}1331 1332static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)1333{1334 struct qed_public_vf_info *vf_info;1335 1336 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);1337 1338 if (!vf_info)1339 return;1340 1341 /* Clear the VF mac */1342 eth_zero_addr(vf_info->mac);1343 1344 vf_info->rx_accept_mode = 0;1345 vf_info->tx_accept_mode = 0;1346}1347 1348static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,1349 struct qed_vf_info *p_vf)1350{1351 u32 i, j;1352 1353 p_vf->vf_bulletin = 0;1354 p_vf->vport_instance = 0;1355 p_vf->configured_features = 0;1356 1357 /* If VF previously requested less resources, go back to default */1358 p_vf->num_rxqs = p_vf->num_sbs;1359 p_vf->num_txqs = p_vf->num_sbs;1360 1361 p_vf->num_active_rxqs = 0;1362 1363 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {1364 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];1365 1366 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {1367 if (!p_queue->cids[j].p_cid)1368 continue;1369 1370 qed_eth_queue_cid_release(p_hwfn,1371 p_queue->cids[j].p_cid);1372 p_queue->cids[j].p_cid = NULL;1373 }1374 }1375 1376 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));1377 memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));1378 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);1379}1380 1381/* Returns either 0, or log(size) */1382static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,1383 struct qed_ptt *p_ptt)1384{1385 u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);1386 1387 if (val)1388 return val + 11;1389 return 0;1390}1391 1392static void1393qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,1394 struct qed_ptt *p_ptt,1395 struct qed_vf_info *p_vf,1396 struct vf_pf_resc_request *p_req,1397 struct pf_vf_resc *p_resp)1398{1399 u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;1400 u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -1401 qed_db_addr_vf(0, DQ_DEMS_LEGACY);1402 u32 bar_size;1403 1404 p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);1405 1406 /* If VF didn't bother asking for QIDs than don't bother limiting1407 * number of CIDs. The VF doesn't care about the number, and this1408 * has the likely result of causing an additional acquisition.1409 */1410 if (!(p_vf->acquire.vfdev_info.capabilities &1411 VFPF_ACQUIRE_CAP_QUEUE_QIDS))1412 return;1413 1414 /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount1415 * that would make sure doorbells for all CIDs fall within the bar.1416 * If it doesn't, make sure regview window is sufficient.1417 */1418 if (p_vf->acquire.vfdev_info.capabilities &1419 VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {1420 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);1421 if (bar_size)1422 bar_size = 1 << bar_size;1423 1424 if (p_hwfn->cdev->num_hwfns > 1)1425 bar_size /= 2;1426 } else {1427 bar_size = PXP_VF_BAR0_DQ_LENGTH;1428 }1429 1430 if (bar_size / db_size < 256)1431 p_resp->num_cids = min_t(u8, p_resp->num_cids,1432 (u8)(bar_size / db_size));1433}1434 1435static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,1436 struct qed_ptt *p_ptt,1437 struct qed_vf_info *p_vf,1438 struct vf_pf_resc_request *p_req,1439 struct pf_vf_resc *p_resp)1440{1441 u8 i;1442 1443 /* Queue related information */1444 p_resp->num_rxqs = p_vf->num_rxqs;1445 p_resp->num_txqs = p_vf->num_txqs;1446 p_resp->num_sbs = p_vf->num_sbs;1447 1448 for (i = 0; i < p_resp->num_sbs; i++) {1449 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];1450 p_resp->hw_sbs[i].sb_qid = 0;1451 }1452 1453 /* These fields are filled for backward compatibility.1454 * Unused by modern vfs.1455 */1456 for (i = 0; i < p_resp->num_rxqs; i++) {1457 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,1458 (u16 *)&p_resp->hw_qid[i]);1459 p_resp->cid[i] = i;1460 }1461 1462 /* Filter related information */1463 p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,1464 p_req->num_mac_filters);1465 p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,1466 p_req->num_vlan_filters);1467 1468 qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);1469 1470 /* This isn't really needed/enforced, but some legacy VFs might depend1471 * on the correct filling of this field.1472 */1473 p_resp->num_mc_filters = QED_MAX_MC_ADDRS;1474 1475 /* Validate sufficient resources for VF */1476 if (p_resp->num_rxqs < p_req->num_rxqs ||1477 p_resp->num_txqs < p_req->num_txqs ||1478 p_resp->num_sbs < p_req->num_sbs ||1479 p_resp->num_mac_filters < p_req->num_mac_filters ||1480 p_resp->num_vlan_filters < p_req->num_vlan_filters ||1481 p_resp->num_mc_filters < p_req->num_mc_filters ||1482 p_resp->num_cids < p_req->num_cids) {1483 DP_VERBOSE(p_hwfn,1484 QED_MSG_IOV,1485 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n",1486 p_vf->abs_vf_id,1487 p_req->num_rxqs,1488 p_resp->num_rxqs,1489 p_req->num_rxqs,1490 p_resp->num_txqs,1491 p_req->num_sbs,1492 p_resp->num_sbs,1493 p_req->num_mac_filters,1494 p_resp->num_mac_filters,1495 p_req->num_vlan_filters,1496 p_resp->num_vlan_filters,1497 p_req->num_mc_filters,1498 p_resp->num_mc_filters,1499 p_req->num_cids, p_resp->num_cids);1500 1501 /* Some legacy OSes are incapable of correctly handling this1502 * failure.1503 */1504 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==1505 ETH_HSI_VER_NO_PKT_LEN_TUNN) &&1506 (p_vf->acquire.vfdev_info.os_type ==1507 VFPF_ACQUIRE_OS_WINDOWS))1508 return PFVF_STATUS_SUCCESS;1509 1510 return PFVF_STATUS_NO_RESOURCE;1511 }1512 1513 return PFVF_STATUS_SUCCESS;1514}1515 1516static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,1517 struct pfvf_stats_info *p_stats)1518{1519 p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +1520 offsetof(struct mstorm_vf_zone,1521 non_trigger.eth_queue_stat);1522 p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);1523 p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +1524 offsetof(struct ustorm_vf_zone,1525 non_trigger.eth_queue_stat);1526 p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);1527 p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +1528 offsetof(struct pstorm_vf_zone,1529 non_trigger.eth_queue_stat);1530 p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);1531 p_stats->tstats.address = 0;1532 p_stats->tstats.len = 0;1533}1534 1535static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,1536 struct qed_ptt *p_ptt,1537 struct qed_vf_info *vf)1538{1539 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;1540 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;1541 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;1542 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;1543 u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;1544 struct pf_vf_resc *resc = &resp->resc;1545 int rc;1546 1547 memset(resp, 0, sizeof(*resp));1548 1549 /* Write the PF version so that VF would know which version1550 * is supported - might be later overridden. This guarantees that1551 * VF could recognize legacy PF based on lack of versions in reply.1552 */1553 pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;1554 pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;1555 1556 if (vf->state != VF_FREE && vf->state != VF_STOPPED) {1557 DP_VERBOSE(p_hwfn,1558 QED_MSG_IOV,1559 "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",1560 vf->abs_vf_id, vf->state);1561 goto out;1562 }1563 1564 /* Validate FW compatibility */1565 if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {1566 if (req->vfdev_info.capabilities &1567 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {1568 struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;1569 1570 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1571 "VF[%d] is pre-fastpath HSI\n",1572 vf->abs_vf_id);1573 p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;1574 p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;1575 } else {1576 DP_INFO(p_hwfn,1577 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's fastpath HSI %02x.%02x\n",1578 vf->abs_vf_id,1579 req->vfdev_info.eth_fp_hsi_major,1580 req->vfdev_info.eth_fp_hsi_minor,1581 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);1582 1583 goto out;1584 }1585 }1586 1587 /* On 100g PFs, prevent old VFs from loading */1588 if ((p_hwfn->cdev->num_hwfns > 1) &&1589 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {1590 DP_INFO(p_hwfn,1591 "VF[%d] is running an old driver that doesn't support 100g\n",1592 vf->abs_vf_id);1593 goto out;1594 }1595 1596 /* Store the acquire message */1597 memcpy(&vf->acquire, req, sizeof(vf->acquire));1598 1599 vf->opaque_fid = req->vfdev_info.opaque_fid;1600 1601 vf->vf_bulletin = req->bulletin_addr;1602 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?1603 vf->bulletin.size : req->bulletin_size;1604 1605 /* fill in pfdev info */1606 pfdev_info->chip_num = p_hwfn->cdev->chip_num;1607 pfdev_info->db_size = 0;1608 pfdev_info->indices_per_sb = PIS_PER_SB;1609 1610 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |1611 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;1612 if (p_hwfn->cdev->num_hwfns > 1)1613 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;1614 1615 /* Share our ability to use multiple queue-ids only with VFs1616 * that request it.1617 */1618 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)1619 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;1620 1621 /* Share the sizes of the bars with VF */1622 resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);1623 1624 qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);1625 1626 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);1627 1628 pfdev_info->fw_major = FW_MAJOR_VERSION;1629 pfdev_info->fw_minor = FW_MINOR_VERSION;1630 pfdev_info->fw_rev = FW_REVISION_VERSION;1631 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;1632 1633 /* Incorrect when legacy, but doesn't matter as legacy isn't reading1634 * this field.1635 */1636 pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,1637 req->vfdev_info.eth_fp_hsi_minor);1638 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;1639 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);1640 1641 pfdev_info->dev_type = p_hwfn->cdev->type;1642 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;1643 1644 /* Fill resources available to VF; Make sure there are enough to1645 * satisfy the VF's request.1646 */1647 vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,1648 &req->resc_request, resc);1649 if (vfpf_status != PFVF_STATUS_SUCCESS)1650 goto out;1651 1652 /* Start the VF in FW */1653 rc = qed_sp_vf_start(p_hwfn, vf);1654 if (rc) {1655 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);1656 vfpf_status = PFVF_STATUS_FAILURE;1657 goto out;1658 }1659 1660 /* Fill agreed size of bulletin board in response */1661 resp->bulletin_size = vf->bulletin.size;1662 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);1663 1664 DP_VERBOSE(p_hwfn,1665 QED_MSG_IOV,1666 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"1667 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",1668 vf->abs_vf_id,1669 resp->pfdev_info.chip_num,1670 resp->pfdev_info.db_size,1671 resp->pfdev_info.indices_per_sb,1672 resp->pfdev_info.capabilities,1673 resc->num_rxqs,1674 resc->num_txqs,1675 resc->num_sbs,1676 resc->num_mac_filters,1677 resc->num_vlan_filters);1678 vf->state = VF_ACQUIRED;1679 1680 /* Prepare Response */1681out:1682 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,1683 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);1684}1685 1686static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,1687 struct qed_vf_info *p_vf, bool val)1688{1689 struct qed_sp_vport_update_params params;1690 int rc;1691 1692 if (val == p_vf->spoof_chk) {1693 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1694 "Spoofchk value[%d] is already configured\n", val);1695 return 0;1696 }1697 1698 memset(¶ms, 0, sizeof(struct qed_sp_vport_update_params));1699 params.opaque_fid = p_vf->opaque_fid;1700 params.vport_id = p_vf->vport_id;1701 params.update_anti_spoofing_en_flg = 1;1702 params.anti_spoofing_en = val;1703 1704 rc = qed_sp_vport_update(p_hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL);1705 if (!rc) {1706 p_vf->spoof_chk = val;1707 p_vf->req_spoofchk_val = p_vf->spoof_chk;1708 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1709 "Spoofchk val[%d] configured\n", val);1710 } else {1711 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1712 "Spoofchk configuration[val:%d] failed for VF[%d]\n",1713 val, p_vf->relative_vf_id);1714 }1715 1716 return rc;1717}1718 1719static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,1720 struct qed_vf_info *p_vf)1721{1722 struct qed_filter_ucast filter;1723 int rc = 0;1724 int i;1725 1726 memset(&filter, 0, sizeof(filter));1727 filter.is_rx_filter = 1;1728 filter.is_tx_filter = 1;1729 filter.vport_to_add_to = p_vf->vport_id;1730 filter.opcode = QED_FILTER_ADD;1731 1732 /* Reconfigure vlans */1733 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {1734 if (!p_vf->shadow_config.vlans[i].used)1735 continue;1736 1737 filter.type = QED_FILTER_VLAN;1738 filter.vlan = p_vf->shadow_config.vlans[i].vid;1739 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1740 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",1741 filter.vlan, p_vf->relative_vf_id);1742 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,1743 &filter, QED_SPQ_MODE_CB, NULL);1744 if (rc) {1745 DP_NOTICE(p_hwfn,1746 "Failed to configure VLAN [%04x] to VF [%04x]\n",1747 filter.vlan, p_vf->relative_vf_id);1748 break;1749 }1750 }1751 1752 return rc;1753}1754 1755static int1756qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,1757 struct qed_vf_info *p_vf, u64 events)1758{1759 int rc = 0;1760 1761 if ((events & BIT(VLAN_ADDR_FORCED)) &&1762 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))1763 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);1764 1765 return rc;1766}1767 1768static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,1769 struct qed_vf_info *p_vf, u64 events)1770{1771 int rc = 0;1772 struct qed_filter_ucast filter;1773 1774 if (!p_vf->vport_instance)1775 return -EINVAL;1776 1777 if ((events & BIT(MAC_ADDR_FORCED)) ||1778 p_vf->p_vf_info.is_trusted_configured) {1779 /* Since there's no way [currently] of removing the MAC,1780 * we can always assume this means we need to force it.1781 */1782 memset(&filter, 0, sizeof(filter));1783 filter.type = QED_FILTER_MAC;1784 filter.opcode = QED_FILTER_REPLACE;1785 filter.is_rx_filter = 1;1786 filter.is_tx_filter = 1;1787 filter.vport_to_add_to = p_vf->vport_id;1788 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);1789 1790 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,1791 &filter, QED_SPQ_MODE_CB, NULL);1792 if (rc) {1793 DP_NOTICE(p_hwfn,1794 "PF failed to configure MAC for VF\n");1795 return rc;1796 }1797 if (p_vf->p_vf_info.is_trusted_configured)1798 p_vf->configured_features |=1799 BIT(VFPF_BULLETIN_MAC_ADDR);1800 else1801 p_vf->configured_features |=1802 BIT(MAC_ADDR_FORCED);1803 }1804 1805 if (events & BIT(VLAN_ADDR_FORCED)) {1806 struct qed_sp_vport_update_params vport_update;1807 u8 removal;1808 int i;1809 1810 memset(&filter, 0, sizeof(filter));1811 filter.type = QED_FILTER_VLAN;1812 filter.is_rx_filter = 1;1813 filter.is_tx_filter = 1;1814 filter.vport_to_add_to = p_vf->vport_id;1815 filter.vlan = p_vf->bulletin.p_virt->pvid;1816 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :1817 QED_FILTER_FLUSH;1818 1819 /* Send the ramrod */1820 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,1821 &filter, QED_SPQ_MODE_CB, NULL);1822 if (rc) {1823 DP_NOTICE(p_hwfn,1824 "PF failed to configure VLAN for VF\n");1825 return rc;1826 }1827 1828 /* Update the default-vlan & silent vlan stripping */1829 memset(&vport_update, 0, sizeof(vport_update));1830 vport_update.opaque_fid = p_vf->opaque_fid;1831 vport_update.vport_id = p_vf->vport_id;1832 vport_update.update_default_vlan_enable_flg = 1;1833 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;1834 vport_update.update_default_vlan_flg = 1;1835 vport_update.default_vlan = filter.vlan;1836 1837 vport_update.update_inner_vlan_removal_flg = 1;1838 removal = filter.vlan ? 11839 : p_vf->shadow_config.inner_vlan_removal;1840 vport_update.inner_vlan_removal_flg = removal;1841 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;1842 rc = qed_sp_vport_update(p_hwfn,1843 &vport_update,1844 QED_SPQ_MODE_EBLOCK, NULL);1845 if (rc) {1846 DP_NOTICE(p_hwfn,1847 "PF failed to configure VF vport for vlan\n");1848 return rc;1849 }1850 1851 /* Update all the Rx queues */1852 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {1853 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];1854 struct qed_queue_cid *p_cid = NULL;1855 1856 /* There can be at most 1 Rx queue on qzone. Find it */1857 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);1858 if (!p_cid)1859 continue;1860 1861 rc = qed_sp_eth_rx_queues_update(p_hwfn,1862 (void **)&p_cid,1863 1, 0, 1,1864 QED_SPQ_MODE_EBLOCK,1865 NULL);1866 if (rc) {1867 DP_NOTICE(p_hwfn,1868 "Failed to send Rx update fo queue[0x%04x]\n",1869 p_cid->rel.queue_id);1870 return rc;1871 }1872 }1873 1874 if (filter.vlan)1875 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;1876 else1877 p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);1878 }1879 1880 /* If forced features are terminated, we need to configure the shadow1881 * configuration back again.1882 */1883 if (events)1884 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);1885 1886 return rc;1887}1888 1889static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,1890 struct qed_ptt *p_ptt,1891 struct qed_vf_info *vf)1892{1893 struct qed_sp_vport_start_params params = { 0 };1894 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;1895 struct vfpf_vport_start_tlv *start;1896 u8 status = PFVF_STATUS_SUCCESS;1897 struct qed_vf_info *vf_info;1898 u64 *p_bitmap;1899 int sb_id;1900 int rc;1901 1902 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vf->relative_vf_id, true);1903 if (!vf_info) {1904 DP_NOTICE(p_hwfn->cdev,1905 "Failed to get VF info, invalid vfid [%d]\n",1906 vf->relative_vf_id);1907 return;1908 }1909 1910 vf->state = VF_ENABLED;1911 start = &mbx->req_virt->start_vport;1912 1913 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);1914 1915 /* Initialize Status block in CAU */1916 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {1917 if (!start->sb_addr[sb_id]) {1918 DP_VERBOSE(p_hwfn, QED_MSG_IOV,1919 "VF[%d] did not fill the address of SB %d\n",1920 vf->relative_vf_id, sb_id);1921 break;1922 }1923 1924 qed_int_cau_conf_sb(p_hwfn, p_ptt,1925 start->sb_addr[sb_id],1926 vf->igu_sbs[sb_id], vf->abs_vf_id, 1);1927 }1928 1929 vf->mtu = start->mtu;1930 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;1931 1932 /* Take into consideration configuration forced by hypervisor;1933 * If none is configured, use the supplied VF values [for old1934 * vfs that would still be fine, since they passed '0' as padding].1935 */1936 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;1937 if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {1938 u8 vf_req = start->only_untagged;1939 1940 vf_info->bulletin.p_virt->default_only_untagged = vf_req;1941 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;1942 }1943 1944 params.tpa_mode = start->tpa_mode;1945 params.remove_inner_vlan = start->inner_vlan_removal;1946 params.tx_switching = true;1947 1948 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;1949 params.drop_ttl0 = false;1950 params.concrete_fid = vf->concrete_fid;1951 params.opaque_fid = vf->opaque_fid;1952 params.vport_id = vf->vport_id;1953 params.max_buffers_per_cqe = start->max_buffers_per_cqe;1954 params.mtu = vf->mtu;1955 1956 /* Non trusted VFs should enable control frame filtering */1957 params.check_mac = !vf->p_vf_info.is_trusted_configured;1958 1959 rc = qed_sp_eth_vport_start(p_hwfn, ¶ms);1960 if (rc) {1961 DP_ERR(p_hwfn,1962 "%s returned error %d\n", __func__, rc);1963 status = PFVF_STATUS_FAILURE;1964 } else {1965 vf->vport_instance++;1966 1967 /* Force configuration if needed on the newly opened vport */1968 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);1969 1970 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);1971 }1972 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,1973 sizeof(struct pfvf_def_resp_tlv), status);1974}1975 1976static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,1977 struct qed_ptt *p_ptt,1978 struct qed_vf_info *vf)1979{1980 u8 status = PFVF_STATUS_SUCCESS;1981 int rc;1982 1983 vf->vport_instance--;1984 vf->spoof_chk = false;1985 1986 if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||1987 (qed_iov_validate_active_txq(p_hwfn, vf))) {1988 vf->b_malicious = true;1989 DP_NOTICE(p_hwfn,1990 "VF [%02x] - considered malicious; Unable to stop RX/TX queues\n",1991 vf->abs_vf_id);1992 status = PFVF_STATUS_MALICIOUS;1993 goto out;1994 }1995 1996 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);1997 if (rc) {1998 DP_ERR(p_hwfn, "%s returned error %d\n",1999 __func__, rc);2000 status = PFVF_STATUS_FAILURE;2001 }2002 2003 /* Forget the configuration on the vport */2004 vf->configured_features = 0;2005 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));2006 2007out:2008 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,2009 sizeof(struct pfvf_def_resp_tlv), status);2010}2011 2012static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,2013 struct qed_ptt *p_ptt,2014 struct qed_vf_info *vf,2015 u8 status, bool b_legacy)2016{2017 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2018 struct pfvf_start_queue_resp_tlv *p_tlv;2019 struct vfpf_start_rxq_tlv *req;2020 u16 length;2021 2022 mbx->offset = (u8 *)mbx->reply_virt;2023 2024 /* Taking a bigger struct instead of adding a TLV to list was a2025 * mistake, but one which we're now stuck with, as some older2026 * clients assume the size of the previous response.2027 */2028 if (!b_legacy)2029 length = sizeof(*p_tlv);2030 else2031 length = sizeof(struct pfvf_def_resp_tlv);2032 2033 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,2034 length);2035 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,2036 sizeof(struct channel_list_end_tlv));2037 2038 /* Update the TLV with the response */2039 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {2040 req = &mbx->req_virt->start_rxq;2041 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +2042 offsetof(struct mstorm_vf_zone,2043 non_trigger.eth_rx_queue_producers) +2044 sizeof(struct eth_rx_prod_data) * req->rx_qid;2045 }2046 2047 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);2048}2049 2050static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,2051 struct qed_vf_info *p_vf, bool b_is_tx)2052{2053 struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;2054 struct vfpf_qid_tlv *p_qid_tlv;2055 2056 /* Search for the qid if the VF published its going to provide it */2057 if (!(p_vf->acquire.vfdev_info.capabilities &2058 VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {2059 if (b_is_tx)2060 return QED_IOV_LEGACY_QID_TX;2061 else2062 return QED_IOV_LEGACY_QID_RX;2063 }2064 2065 p_qid_tlv = (struct vfpf_qid_tlv *)2066 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,2067 CHANNEL_TLV_QID);2068 if (!p_qid_tlv) {2069 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2070 "VF[%2x]: Failed to provide qid\n",2071 p_vf->relative_vf_id);2072 2073 return QED_IOV_QID_INVALID;2074 }2075 2076 if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {2077 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2078 "VF[%02x]: Provided qid out-of-bounds %02x\n",2079 p_vf->relative_vf_id, p_qid_tlv->qid);2080 return QED_IOV_QID_INVALID;2081 }2082 2083 return p_qid_tlv->qid;2084}2085 2086static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,2087 struct qed_ptt *p_ptt,2088 struct qed_vf_info *vf)2089{2090 struct qed_queue_start_common_params params;2091 struct qed_queue_cid_vf_params vf_params;2092 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2093 u8 status = PFVF_STATUS_NO_RESOURCE;2094 u8 qid_usage_idx, vf_legacy = 0;2095 struct vfpf_start_rxq_tlv *req;2096 struct qed_vf_queue *p_queue;2097 struct qed_queue_cid *p_cid;2098 struct qed_sb_info sb_dummy;2099 int rc;2100 2101 req = &mbx->req_virt->start_rxq;2102 2103 if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,2104 QED_IOV_VALIDATE_Q_DISABLE) ||2105 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))2106 goto out;2107 2108 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);2109 if (qid_usage_idx == QED_IOV_QID_INVALID)2110 goto out;2111 2112 p_queue = &vf->vf_queues[req->rx_qid];2113 if (p_queue->cids[qid_usage_idx].p_cid)2114 goto out;2115 2116 vf_legacy = qed_vf_calculate_legacy(vf);2117 2118 /* Acquire a new queue-cid */2119 memset(¶ms, 0, sizeof(params));2120 params.queue_id = p_queue->fw_rx_qid;2121 params.vport_id = vf->vport_id;2122 params.stats_id = vf->abs_vf_id + 0x10;2123 /* Since IGU index is passed via sb_info, construct a dummy one */2124 memset(&sb_dummy, 0, sizeof(sb_dummy));2125 sb_dummy.igu_sb_id = req->hw_sb;2126 params.p_sb = &sb_dummy;2127 params.sb_idx = req->sb_index;2128 2129 memset(&vf_params, 0, sizeof(vf_params));2130 vf_params.vfid = vf->relative_vf_id;2131 vf_params.vf_qid = (u8)req->rx_qid;2132 vf_params.vf_legacy = vf_legacy;2133 vf_params.qid_usage_idx = qid_usage_idx;2134 p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,2135 ¶ms, true, &vf_params);2136 if (!p_cid)2137 goto out;2138 2139 /* Legacy VFs have their Producers in a different location, which they2140 * calculate on their own and clean the producer prior to this.2141 */2142 if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))2143 qed_wr(p_hwfn, p_ptt, MSEM_REG_FAST_MEMORY +2144 SEM_FAST_REG_INT_RAM +2145 MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id,2146 req->rx_qid), 0);2147 2148 rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,2149 req->bd_max_bytes,2150 req->rxq_addr,2151 req->cqe_pbl_addr, req->cqe_pbl_size);2152 if (rc) {2153 status = PFVF_STATUS_FAILURE;2154 qed_eth_queue_cid_release(p_hwfn, p_cid);2155 } else {2156 p_queue->cids[qid_usage_idx].p_cid = p_cid;2157 p_queue->cids[qid_usage_idx].b_is_tx = false;2158 status = PFVF_STATUS_SUCCESS;2159 vf->num_active_rxqs++;2160 }2161 2162out:2163 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,2164 !!(vf_legacy &2165 QED_QCID_LEGACY_VF_RX_PROD));2166}2167 2168static void2169qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,2170 struct qed_tunnel_info *p_tun,2171 u16 tunn_feature_mask)2172{2173 p_resp->tunn_feature_mask = tunn_feature_mask;2174 p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;2175 p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;2176 p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;2177 p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;2178 p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;2179 p_resp->vxlan_clss = p_tun->vxlan.tun_cls;2180 p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;2181 p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;2182 p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;2183 p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;2184 p_resp->geneve_udp_port = p_tun->geneve_port.port;2185 p_resp->vxlan_udp_port = p_tun->vxlan_port.port;2186}2187 2188static void2189__qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,2190 struct qed_tunn_update_type *p_tun,2191 enum qed_tunn_mode mask, u8 tun_cls)2192{2193 if (p_req->tun_mode_update_mask & BIT(mask)) {2194 p_tun->b_update_mode = true;2195 2196 if (p_req->tunn_mode & BIT(mask))2197 p_tun->b_mode_enabled = true;2198 }2199 2200 p_tun->tun_cls = tun_cls;2201}2202 2203static void2204qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,2205 struct qed_tunn_update_type *p_tun,2206 struct qed_tunn_update_udp_port *p_port,2207 enum qed_tunn_mode mask,2208 u8 tun_cls, u8 update_port, u16 port)2209{2210 if (update_port) {2211 p_port->b_update_port = true;2212 p_port->port = port;2213 }2214 2215 __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);2216}2217 2218static bool2219qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)2220{2221 bool b_update_requested = false;2222 2223 if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||2224 p_req->update_geneve_port || p_req->update_vxlan_port)2225 b_update_requested = true;2226 2227 return b_update_requested;2228}2229 2230static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)2231{2232 if (tun->b_update_mode && !tun->b_mode_enabled) {2233 tun->b_update_mode = false;2234 *rc = -EINVAL;2235 }2236}2237 2238static int2239qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,2240 u16 *tun_features, bool *update,2241 struct qed_tunnel_info *tun_src)2242{2243 struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;2244 struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;2245 u16 bultn_vxlan_port, bultn_geneve_port;2246 void *cookie = p_hwfn->cdev->ops_cookie;2247 int i, rc = 0;2248 2249 *tun_features = p_hwfn->cdev->tunn_feature_mask;2250 bultn_vxlan_port = tun->vxlan_port.port;2251 bultn_geneve_port = tun->geneve_port.port;2252 qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);2253 qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);2254 qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);2255 qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);2256 qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);2257 2258 if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&2259 (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||2260 tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||2261 tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||2262 tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||2263 tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {2264 tun_src->b_update_rx_cls = false;2265 tun_src->b_update_tx_cls = false;2266 rc = -EINVAL;2267 }2268 2269 if (tun_src->vxlan_port.b_update_port) {2270 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {2271 tun_src->vxlan_port.b_update_port = false;2272 } else {2273 *update = true;2274 bultn_vxlan_port = tun_src->vxlan_port.port;2275 }2276 }2277 2278 if (tun_src->geneve_port.b_update_port) {2279 if (tun_src->geneve_port.port == tun->geneve_port.port) {2280 tun_src->geneve_port.b_update_port = false;2281 } else {2282 *update = true;2283 bultn_geneve_port = tun_src->geneve_port.port;2284 }2285 }2286 2287 qed_for_each_vf(p_hwfn, i) {2288 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,2289 bultn_geneve_port);2290 }2291 2292 qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);2293 ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);2294 2295 return rc;2296}2297 2298static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,2299 struct qed_ptt *p_ptt,2300 struct qed_vf_info *p_vf)2301{2302 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;2303 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;2304 struct pfvf_update_tunn_param_tlv *p_resp;2305 struct vfpf_update_tunn_param_tlv *p_req;2306 u8 status = PFVF_STATUS_SUCCESS;2307 bool b_update_required = false;2308 struct qed_tunnel_info tunn;2309 u16 tunn_feature_mask = 0;2310 int i, rc = 0;2311 2312 mbx->offset = (u8 *)mbx->reply_virt;2313 2314 memset(&tunn, 0, sizeof(tunn));2315 p_req = &mbx->req_virt->tunn_param_update;2316 2317 if (!qed_iov_pf_validate_tunn_param(p_req)) {2318 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2319 "No tunnel update requested by VF\n");2320 status = PFVF_STATUS_FAILURE;2321 goto send_resp;2322 }2323 2324 tunn.b_update_rx_cls = p_req->update_tun_cls;2325 tunn.b_update_tx_cls = p_req->update_tun_cls;2326 2327 qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,2328 QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,2329 p_req->update_vxlan_port,2330 p_req->vxlan_port);2331 qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,2332 QED_MODE_L2GENEVE_TUNN,2333 p_req->l2geneve_clss,2334 p_req->update_geneve_port,2335 p_req->geneve_port);2336 __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,2337 QED_MODE_IPGENEVE_TUNN,2338 p_req->ipgeneve_clss);2339 __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,2340 QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);2341 __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,2342 QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);2343 2344 /* If PF modifies VF's req then it should2345 * still return an error in case of partial configuration2346 * or modified configuration as opposed to requested one.2347 */2348 rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,2349 &b_update_required, &tunn);2350 2351 if (rc)2352 status = PFVF_STATUS_FAILURE;2353 2354 /* If QED client is willing to update anything ? */2355 if (b_update_required) {2356 u16 geneve_port;2357 2358 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,2359 QED_SPQ_MODE_EBLOCK, NULL);2360 if (rc)2361 status = PFVF_STATUS_FAILURE;2362 2363 geneve_port = p_tun->geneve_port.port;2364 qed_for_each_vf(p_hwfn, i) {2365 qed_iov_bulletin_set_udp_ports(p_hwfn, i,2366 p_tun->vxlan_port.port,2367 geneve_port);2368 }2369 }2370 2371send_resp:2372 p_resp = qed_add_tlv(p_hwfn, &mbx->offset,2373 CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));2374 2375 qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);2376 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,2377 sizeof(struct channel_list_end_tlv));2378 2379 qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);2380}2381 2382static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,2383 struct qed_ptt *p_ptt,2384 struct qed_vf_info *p_vf,2385 u32 cid, u8 status)2386{2387 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;2388 struct pfvf_start_queue_resp_tlv *p_tlv;2389 bool b_legacy = false;2390 u16 length;2391 2392 mbx->offset = (u8 *)mbx->reply_virt;2393 2394 /* Taking a bigger struct instead of adding a TLV to list was a2395 * mistake, but one which we're now stuck with, as some older2396 * clients assume the size of the previous response.2397 */2398 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==2399 ETH_HSI_VER_NO_PKT_LEN_TUNN)2400 b_legacy = true;2401 2402 if (!b_legacy)2403 length = sizeof(*p_tlv);2404 else2405 length = sizeof(struct pfvf_def_resp_tlv);2406 2407 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,2408 length);2409 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,2410 sizeof(struct channel_list_end_tlv));2411 2412 /* Update the TLV with the response */2413 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)2414 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);2415 2416 qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);2417}2418 2419static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,2420 struct qed_ptt *p_ptt,2421 struct qed_vf_info *vf)2422{2423 struct qed_queue_start_common_params params;2424 struct qed_queue_cid_vf_params vf_params;2425 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2426 u8 status = PFVF_STATUS_NO_RESOURCE;2427 struct vfpf_start_txq_tlv *req;2428 struct qed_vf_queue *p_queue;2429 struct qed_queue_cid *p_cid;2430 struct qed_sb_info sb_dummy;2431 u8 qid_usage_idx, vf_legacy;2432 u32 cid = 0;2433 int rc;2434 u16 pq;2435 2436 memset(¶ms, 0, sizeof(params));2437 req = &mbx->req_virt->start_txq;2438 2439 if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,2440 QED_IOV_VALIDATE_Q_NA) ||2441 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))2442 goto out;2443 2444 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);2445 if (qid_usage_idx == QED_IOV_QID_INVALID)2446 goto out;2447 2448 p_queue = &vf->vf_queues[req->tx_qid];2449 if (p_queue->cids[qid_usage_idx].p_cid)2450 goto out;2451 2452 vf_legacy = qed_vf_calculate_legacy(vf);2453 2454 /* Acquire a new queue-cid */2455 params.queue_id = p_queue->fw_tx_qid;2456 params.vport_id = vf->vport_id;2457 params.stats_id = vf->abs_vf_id + 0x10;2458 2459 /* Since IGU index is passed via sb_info, construct a dummy one */2460 memset(&sb_dummy, 0, sizeof(sb_dummy));2461 sb_dummy.igu_sb_id = req->hw_sb;2462 params.p_sb = &sb_dummy;2463 params.sb_idx = req->sb_index;2464 2465 memset(&vf_params, 0, sizeof(vf_params));2466 vf_params.vfid = vf->relative_vf_id;2467 vf_params.vf_qid = (u8)req->tx_qid;2468 vf_params.vf_legacy = vf_legacy;2469 vf_params.qid_usage_idx = qid_usage_idx;2470 2471 p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,2472 ¶ms, false, &vf_params);2473 if (!p_cid)2474 goto out;2475 2476 pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);2477 rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,2478 req->pbl_addr, req->pbl_size, pq);2479 if (rc) {2480 status = PFVF_STATUS_FAILURE;2481 qed_eth_queue_cid_release(p_hwfn, p_cid);2482 } else {2483 status = PFVF_STATUS_SUCCESS;2484 p_queue->cids[qid_usage_idx].p_cid = p_cid;2485 p_queue->cids[qid_usage_idx].b_is_tx = true;2486 cid = p_cid->cid;2487 }2488 2489out:2490 qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);2491}2492 2493static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,2494 struct qed_vf_info *vf,2495 u16 rxq_id,2496 u8 qid_usage_idx, bool cqe_completion)2497{2498 struct qed_vf_queue *p_queue;2499 int rc = 0;2500 2501 if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {2502 DP_VERBOSE(p_hwfn,2503 QED_MSG_IOV,2504 "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",2505 vf->relative_vf_id, rxq_id, qid_usage_idx);2506 return -EINVAL;2507 }2508 2509 p_queue = &vf->vf_queues[rxq_id];2510 2511 /* We've validated the index and the existence of the active RXQ -2512 * now we need to make sure that it's using the correct qid.2513 */2514 if (!p_queue->cids[qid_usage_idx].p_cid ||2515 p_queue->cids[qid_usage_idx].b_is_tx) {2516 struct qed_queue_cid *p_cid;2517 2518 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);2519 DP_VERBOSE(p_hwfn,2520 QED_MSG_IOV,2521 "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",2522 vf->relative_vf_id,2523 rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);2524 return -EINVAL;2525 }2526 2527 /* Now that we know we have a valid Rx-queue - close it */2528 rc = qed_eth_rx_queue_stop(p_hwfn,2529 p_queue->cids[qid_usage_idx].p_cid,2530 false, cqe_completion);2531 if (rc)2532 return rc;2533 2534 p_queue->cids[qid_usage_idx].p_cid = NULL;2535 vf->num_active_rxqs--;2536 2537 return 0;2538}2539 2540static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,2541 struct qed_vf_info *vf,2542 u16 txq_id, u8 qid_usage_idx)2543{2544 struct qed_vf_queue *p_queue;2545 int rc = 0;2546 2547 if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))2548 return -EINVAL;2549 2550 p_queue = &vf->vf_queues[txq_id];2551 if (!p_queue->cids[qid_usage_idx].p_cid ||2552 !p_queue->cids[qid_usage_idx].b_is_tx)2553 return -EINVAL;2554 2555 rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);2556 if (rc)2557 return rc;2558 2559 p_queue->cids[qid_usage_idx].p_cid = NULL;2560 return 0;2561}2562 2563static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,2564 struct qed_ptt *p_ptt,2565 struct qed_vf_info *vf)2566{2567 u16 length = sizeof(struct pfvf_def_resp_tlv);2568 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2569 u8 status = PFVF_STATUS_FAILURE;2570 struct vfpf_stop_rxqs_tlv *req;2571 u8 qid_usage_idx;2572 int rc;2573 2574 /* There has never been an official driver that used this interface2575 * for stopping multiple queues, and it is now considered deprecated.2576 * Validate this isn't used here.2577 */2578 req = &mbx->req_virt->stop_rxqs;2579 if (req->num_rxqs != 1) {2580 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2581 "Odd; VF[%d] tried stopping multiple Rx queues\n",2582 vf->relative_vf_id);2583 status = PFVF_STATUS_NOT_SUPPORTED;2584 goto out;2585 }2586 2587 /* Find which qid-index is associated with the queue */2588 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);2589 if (qid_usage_idx == QED_IOV_QID_INVALID)2590 goto out;2591 2592 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,2593 qid_usage_idx, req->cqe_completion);2594 if (!rc)2595 status = PFVF_STATUS_SUCCESS;2596out:2597 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,2598 length, status);2599}2600 2601static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,2602 struct qed_ptt *p_ptt,2603 struct qed_vf_info *vf)2604{2605 u16 length = sizeof(struct pfvf_def_resp_tlv);2606 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2607 u8 status = PFVF_STATUS_FAILURE;2608 struct vfpf_stop_txqs_tlv *req;2609 u8 qid_usage_idx;2610 int rc;2611 2612 /* There has never been an official driver that used this interface2613 * for stopping multiple queues, and it is now considered deprecated.2614 * Validate this isn't used here.2615 */2616 req = &mbx->req_virt->stop_txqs;2617 if (req->num_txqs != 1) {2618 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2619 "Odd; VF[%d] tried stopping multiple Tx queues\n",2620 vf->relative_vf_id);2621 status = PFVF_STATUS_NOT_SUPPORTED;2622 goto out;2623 }2624 2625 /* Find which qid-index is associated with the queue */2626 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);2627 if (qid_usage_idx == QED_IOV_QID_INVALID)2628 goto out;2629 2630 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);2631 if (!rc)2632 status = PFVF_STATUS_SUCCESS;2633 2634out:2635 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,2636 length, status);2637}2638 2639static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,2640 struct qed_ptt *p_ptt,2641 struct qed_vf_info *vf)2642{2643 struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];2644 u16 length = sizeof(struct pfvf_def_resp_tlv);2645 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;2646 struct vfpf_update_rxq_tlv *req;2647 u8 status = PFVF_STATUS_FAILURE;2648 u8 complete_event_flg;2649 u8 complete_cqe_flg;2650 u8 qid_usage_idx;2651 int rc;2652 u8 i;2653 2654 req = &mbx->req_virt->update_rxq;2655 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);2656 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);2657 2658 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);2659 if (qid_usage_idx == QED_IOV_QID_INVALID)2660 goto out;2661 2662 /* There shouldn't exist a VF that uses queue-qids yet uses this2663 * API with multiple Rx queues. Validate this.2664 */2665 if ((vf->acquire.vfdev_info.capabilities &2666 VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {2667 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2668 "VF[%d] supports QIDs but sends multiple queues\n",2669 vf->relative_vf_id);2670 goto out;2671 }2672 2673 /* Validate inputs - for the legacy case this is still true since2674 * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.2675 */2676 for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {2677 if (!qed_iov_validate_rxq(p_hwfn, vf, i,2678 QED_IOV_VALIDATE_Q_NA) ||2679 !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||2680 vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {2681 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2682 "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",2683 vf->relative_vf_id, req->rx_qid,2684 req->num_rxqs);2685 goto out;2686 }2687 }2688 2689 /* Prepare the handlers */2690 for (i = 0; i < req->num_rxqs; i++) {2691 u16 qid = req->rx_qid + i;2692 2693 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;2694 }2695 2696 rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,2697 req->num_rxqs,2698 complete_cqe_flg,2699 complete_event_flg,2700 QED_SPQ_MODE_EBLOCK, NULL);2701 if (rc)2702 goto out;2703 2704 status = PFVF_STATUS_SUCCESS;2705out:2706 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,2707 length, status);2708}2709 2710void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,2711 void *p_tlvs_list, u16 req_type)2712{2713 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;2714 int len = 0;2715 2716 do {2717 if (!p_tlv->length) {2718 DP_NOTICE(p_hwfn, "Zero length TLV found\n");2719 return NULL;2720 }2721 2722 if (p_tlv->type == req_type) {2723 DP_VERBOSE(p_hwfn, QED_MSG_IOV,2724 "Extended tlv type %d, length %d found\n",2725 p_tlv->type, p_tlv->length);2726 return p_tlv;2727 }2728 2729 len += p_tlv->length;2730 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);2731 2732 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {2733 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");2734 return NULL;2735 }2736 } while (p_tlv->type != CHANNEL_TLV_LIST_END);2737 2738 return NULL;2739}2740 2741static void2742qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,2743 struct qed_sp_vport_update_params *p_data,2744 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2745{2746 struct vfpf_vport_update_activate_tlv *p_act_tlv;2747 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;2748 2749 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)2750 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2751 if (!p_act_tlv)2752 return;2753 2754 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;2755 p_data->vport_active_rx_flg = p_act_tlv->active_rx;2756 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;2757 p_data->vport_active_tx_flg = p_act_tlv->active_tx;2758 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;2759}2760 2761static void2762qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,2763 struct qed_sp_vport_update_params *p_data,2764 struct qed_vf_info *p_vf,2765 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2766{2767 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;2768 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;2769 2770 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)2771 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2772 if (!p_vlan_tlv)2773 return;2774 2775 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;2776 2777 /* Ignore the VF request if we're forcing a vlan */2778 if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {2779 p_data->update_inner_vlan_removal_flg = 1;2780 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;2781 }2782 2783 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;2784}2785 2786static void2787qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,2788 struct qed_sp_vport_update_params *p_data,2789 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2790{2791 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;2792 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;2793 2794 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)2795 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,2796 tlv);2797 if (!p_tx_switch_tlv)2798 return;2799 2800 p_data->update_tx_switching_flg = 1;2801 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;2802 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;2803}2804 2805static void2806qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,2807 struct qed_sp_vport_update_params *p_data,2808 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2809{2810 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;2811 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;2812 2813 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)2814 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2815 if (!p_mcast_tlv)2816 return;2817 2818 p_data->update_approx_mcast_flg = 1;2819 memcpy(p_data->bins, p_mcast_tlv->bins,2820 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);2821 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;2822}2823 2824static void2825qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,2826 struct qed_sp_vport_update_params *p_data,2827 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2828{2829 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;2830 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;2831 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;2832 2833 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)2834 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2835 if (!p_accept_tlv)2836 return;2837 2838 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;2839 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;2840 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;2841 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;2842 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;2843}2844 2845static void2846qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,2847 struct qed_sp_vport_update_params *p_data,2848 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2849{2850 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;2851 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;2852 2853 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)2854 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,2855 tlv);2856 if (!p_accept_any_vlan)2857 return;2858 2859 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;2860 p_data->update_accept_any_vlan_flg =2861 p_accept_any_vlan->update_accept_any_vlan_flg;2862 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;2863}2864 2865static void2866qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,2867 struct qed_vf_info *vf,2868 struct qed_sp_vport_update_params *p_data,2869 struct qed_rss_params *p_rss,2870 struct qed_iov_vf_mbx *p_mbx,2871 u16 *tlvs_mask, u16 *tlvs_accepted)2872{2873 struct vfpf_vport_update_rss_tlv *p_rss_tlv;2874 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;2875 bool b_reject = false;2876 u16 table_size;2877 u16 i, q_idx;2878 2879 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)2880 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2881 if (!p_rss_tlv) {2882 p_data->rss_params = NULL;2883 return;2884 }2885 2886 memset(p_rss, 0, sizeof(struct qed_rss_params));2887 2888 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &2889 VFPF_UPDATE_RSS_CONFIG_FLAG);2890 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &2891 VFPF_UPDATE_RSS_CAPS_FLAG);2892 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &2893 VFPF_UPDATE_RSS_IND_TABLE_FLAG);2894 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &2895 VFPF_UPDATE_RSS_KEY_FLAG);2896 2897 p_rss->rss_enable = p_rss_tlv->rss_enable;2898 p_rss->rss_eng_id = vf->relative_vf_id + 1;2899 p_rss->rss_caps = p_rss_tlv->rss_caps;2900 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;2901 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));2902 2903 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),2904 (1 << p_rss_tlv->rss_table_size_log));2905 2906 for (i = 0; i < table_size; i++) {2907 struct qed_queue_cid *p_cid;2908 2909 q_idx = p_rss_tlv->rss_ind_table[i];2910 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,2911 QED_IOV_VALIDATE_Q_ENABLE)) {2912 DP_VERBOSE(p_hwfn,2913 QED_MSG_IOV,2914 "VF[%d]: Omitting RSS due to wrong queue %04x\n",2915 vf->relative_vf_id, q_idx);2916 b_reject = true;2917 goto out;2918 }2919 2920 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);2921 p_rss->rss_ind_table[i] = p_cid;2922 }2923 2924 p_data->rss_params = p_rss;2925out:2926 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;2927 if (!b_reject)2928 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;2929}2930 2931static void2932qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,2933 struct qed_vf_info *vf,2934 struct qed_sp_vport_update_params *p_data,2935 struct qed_sge_tpa_params *p_sge_tpa,2936 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)2937{2938 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;2939 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;2940 2941 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)2942 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);2943 2944 if (!p_sge_tpa_tlv) {2945 p_data->sge_tpa_params = NULL;2946 return;2947 }2948 2949 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));2950 2951 p_sge_tpa->update_tpa_en_flg =2952 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);2953 p_sge_tpa->update_tpa_param_flg =2954 !!(p_sge_tpa_tlv->update_sge_tpa_flags &2955 VFPF_UPDATE_TPA_PARAM_FLAG);2956 2957 p_sge_tpa->tpa_ipv4_en_flg =2958 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);2959 p_sge_tpa->tpa_ipv6_en_flg =2960 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);2961 p_sge_tpa->tpa_pkt_split_flg =2962 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);2963 p_sge_tpa->tpa_hdr_data_split_flg =2964 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);2965 p_sge_tpa->tpa_gro_consistent_flg =2966 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);2967 2968 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;2969 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;2970 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;2971 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;2972 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;2973 2974 p_data->sge_tpa_params = p_sge_tpa;2975 2976 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;2977}2978 2979static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,2980 u8 vfid,2981 struct qed_sp_vport_update_params *params,2982 u16 *tlvs)2983{2984 u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;2985 struct qed_filter_accept_flags *flags = ¶ms->accept_flags;2986 struct qed_public_vf_info *vf_info;2987 u16 tlv_mask;2988 2989 tlv_mask = BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM) |2990 BIT(QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN);2991 2992 /* Untrusted VFs can't even be trusted to know that fact.2993 * Simply indicate everything is configured fine, and trace2994 * configuration 'behind their back'.2995 */2996 if (!(*tlvs & tlv_mask))2997 return 0;2998 2999 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);3000 3001 if (flags->update_rx_mode_config) {3002 vf_info->rx_accept_mode = flags->rx_accept_filter;3003 if (!vf_info->is_trusted_configured)3004 flags->rx_accept_filter &= ~mask;3005 }3006 3007 if (flags->update_tx_mode_config) {3008 vf_info->tx_accept_mode = flags->tx_accept_filter;3009 if (!vf_info->is_trusted_configured)3010 flags->tx_accept_filter &= ~mask;3011 }3012 3013 if (params->update_accept_any_vlan_flg) {3014 vf_info->accept_any_vlan = params->accept_any_vlan;3015 3016 if (vf_info->forced_vlan && !vf_info->is_trusted_configured)3017 params->accept_any_vlan = false;3018 }3019 3020 return 0;3021}3022 3023static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,3024 struct qed_ptt *p_ptt,3025 struct qed_vf_info *vf)3026{3027 struct qed_rss_params *p_rss_params = NULL;3028 struct qed_sp_vport_update_params params;3029 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;3030 struct qed_sge_tpa_params sge_tpa_params;3031 u16 tlvs_mask = 0, tlvs_accepted = 0;3032 u8 status = PFVF_STATUS_SUCCESS;3033 u16 length;3034 int rc;3035 3036 /* Valiate PF can send such a request */3037 if (!vf->vport_instance) {3038 DP_VERBOSE(p_hwfn,3039 QED_MSG_IOV,3040 "No VPORT instance available for VF[%d], failing vport update\n",3041 vf->abs_vf_id);3042 status = PFVF_STATUS_FAILURE;3043 goto out;3044 }3045 p_rss_params = vzalloc(sizeof(*p_rss_params));3046 if (!p_rss_params) {3047 status = PFVF_STATUS_FAILURE;3048 goto out;3049 }3050 3051 memset(¶ms, 0, sizeof(params));3052 params.opaque_fid = vf->opaque_fid;3053 params.vport_id = vf->vport_id;3054 params.rss_params = NULL;3055 3056 /* Search for extended tlvs list and update values3057 * from VF in struct qed_sp_vport_update_params.3058 */3059 qed_iov_vp_update_act_param(p_hwfn, ¶ms, mbx, &tlvs_mask);3060 qed_iov_vp_update_vlan_param(p_hwfn, ¶ms, vf, mbx, &tlvs_mask);3061 qed_iov_vp_update_tx_switch(p_hwfn, ¶ms, mbx, &tlvs_mask);3062 qed_iov_vp_update_mcast_bin_param(p_hwfn, ¶ms, mbx, &tlvs_mask);3063 qed_iov_vp_update_accept_flag(p_hwfn, ¶ms, mbx, &tlvs_mask);3064 qed_iov_vp_update_accept_any_vlan(p_hwfn, ¶ms, mbx, &tlvs_mask);3065 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, ¶ms,3066 &sge_tpa_params, mbx, &tlvs_mask);3067 3068 tlvs_accepted = tlvs_mask;3069 3070 /* Some of the extended TLVs need to be validated first; In that case,3071 * they can update the mask without updating the accepted [so that3072 * PF could communicate to VF it has rejected request].3073 */3074 qed_iov_vp_update_rss_param(p_hwfn, vf, ¶ms, p_rss_params,3075 mbx, &tlvs_mask, &tlvs_accepted);3076 3077 if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,3078 ¶ms, &tlvs_accepted)) {3079 tlvs_accepted = 0;3080 status = PFVF_STATUS_NOT_SUPPORTED;3081 goto out;3082 }3083 3084 if (!tlvs_accepted) {3085 if (tlvs_mask)3086 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3087 "Upper-layer prevents VF vport configuration\n");3088 else3089 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3090 "No feature tlvs found for vport update\n");3091 status = PFVF_STATUS_NOT_SUPPORTED;3092 goto out;3093 }3094 3095 rc = qed_sp_vport_update(p_hwfn, ¶ms, QED_SPQ_MODE_EBLOCK, NULL);3096 3097 if (rc)3098 status = PFVF_STATUS_FAILURE;3099 3100out:3101 vfree(p_rss_params);3102 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,3103 tlvs_mask, tlvs_accepted);3104 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);3105}3106 3107static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,3108 struct qed_vf_info *p_vf,3109 struct qed_filter_ucast *p_params)3110{3111 int i;3112 3113 /* First remove entries and then add new ones */3114 if (p_params->opcode == QED_FILTER_REMOVE) {3115 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)3116 if (p_vf->shadow_config.vlans[i].used &&3117 p_vf->shadow_config.vlans[i].vid ==3118 p_params->vlan) {3119 p_vf->shadow_config.vlans[i].used = false;3120 break;3121 }3122 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {3123 DP_VERBOSE(p_hwfn,3124 QED_MSG_IOV,3125 "VF [%d] - Tries to remove a non-existing vlan\n",3126 p_vf->relative_vf_id);3127 return -EINVAL;3128 }3129 } else if (p_params->opcode == QED_FILTER_REPLACE ||3130 p_params->opcode == QED_FILTER_FLUSH) {3131 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)3132 p_vf->shadow_config.vlans[i].used = false;3133 }3134 3135 /* In forced mode, we're willing to remove entries - but we don't add3136 * new ones.3137 */3138 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))3139 return 0;3140 3141 if (p_params->opcode == QED_FILTER_ADD ||3142 p_params->opcode == QED_FILTER_REPLACE) {3143 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {3144 if (p_vf->shadow_config.vlans[i].used)3145 continue;3146 3147 p_vf->shadow_config.vlans[i].used = true;3148 p_vf->shadow_config.vlans[i].vid = p_params->vlan;3149 break;3150 }3151 3152 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {3153 DP_VERBOSE(p_hwfn,3154 QED_MSG_IOV,3155 "VF [%d] - Tries to configure more than %d vlan filters\n",3156 p_vf->relative_vf_id,3157 QED_ETH_VF_NUM_VLAN_FILTERS + 1);3158 return -EINVAL;3159 }3160 }3161 3162 return 0;3163}3164 3165static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,3166 struct qed_vf_info *p_vf,3167 struct qed_filter_ucast *p_params)3168{3169 int i;3170 3171 /* If we're in forced-mode, we don't allow any change */3172 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))3173 return 0;3174 3175 /* Don't keep track of shadow copy since we don't intend to restore. */3176 if (p_vf->p_vf_info.is_trusted_configured)3177 return 0;3178 3179 /* First remove entries and then add new ones */3180 if (p_params->opcode == QED_FILTER_REMOVE) {3181 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {3182 if (ether_addr_equal(p_vf->shadow_config.macs[i],3183 p_params->mac)) {3184 eth_zero_addr(p_vf->shadow_config.macs[i]);3185 break;3186 }3187 }3188 3189 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {3190 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3191 "MAC isn't configured\n");3192 return -EINVAL;3193 }3194 } else if (p_params->opcode == QED_FILTER_REPLACE ||3195 p_params->opcode == QED_FILTER_FLUSH) {3196 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)3197 eth_zero_addr(p_vf->shadow_config.macs[i]);3198 }3199 3200 /* List the new MAC address */3201 if (p_params->opcode != QED_FILTER_ADD &&3202 p_params->opcode != QED_FILTER_REPLACE)3203 return 0;3204 3205 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {3206 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {3207 ether_addr_copy(p_vf->shadow_config.macs[i],3208 p_params->mac);3209 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3210 "Added MAC at %d entry in shadow\n", i);3211 break;3212 }3213 }3214 3215 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {3216 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");3217 return -EINVAL;3218 }3219 3220 return 0;3221}3222 3223static int3224qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,3225 struct qed_vf_info *p_vf,3226 struct qed_filter_ucast *p_params)3227{3228 int rc = 0;3229 3230 if (p_params->type == QED_FILTER_MAC) {3231 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);3232 if (rc)3233 return rc;3234 }3235 3236 if (p_params->type == QED_FILTER_VLAN)3237 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);3238 3239 return rc;3240}3241 3242static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,3243 int vfid, struct qed_filter_ucast *params)3244{3245 struct qed_public_vf_info *vf;3246 3247 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);3248 if (!vf)3249 return -EINVAL;3250 3251 /* No real decision to make; Store the configured MAC */3252 if (params->type == QED_FILTER_MAC ||3253 params->type == QED_FILTER_MAC_VLAN) {3254 ether_addr_copy(vf->mac, params->mac);3255 3256 if (vf->is_trusted_configured) {3257 qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);3258 3259 /* Update and post bulleitin again */3260 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);3261 }3262 }3263 3264 return 0;3265}3266 3267static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,3268 struct qed_ptt *p_ptt,3269 struct qed_vf_info *vf)3270{3271 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;3272 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;3273 struct vfpf_ucast_filter_tlv *req;3274 u8 status = PFVF_STATUS_SUCCESS;3275 struct qed_filter_ucast params;3276 int rc;3277 3278 /* Prepare the unicast filter params */3279 memset(¶ms, 0, sizeof(struct qed_filter_ucast));3280 req = &mbx->req_virt->ucast_filter;3281 params.opcode = (enum qed_filter_opcode)req->opcode;3282 params.type = (enum qed_filter_ucast_type)req->type;3283 3284 params.is_rx_filter = 1;3285 params.is_tx_filter = 1;3286 params.vport_to_remove_from = vf->vport_id;3287 params.vport_to_add_to = vf->vport_id;3288 memcpy(params.mac, req->mac, ETH_ALEN);3289 params.vlan = req->vlan;3290 3291 DP_VERBOSE(p_hwfn,3292 QED_MSG_IOV,3293 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %pM, vlan 0x%04x\n",3294 vf->abs_vf_id, params.opcode, params.type,3295 params.is_rx_filter ? "RX" : "",3296 params.is_tx_filter ? "TX" : "",3297 params.vport_to_add_to,3298 params.mac, params.vlan);3299 3300 if (!vf->vport_instance) {3301 DP_VERBOSE(p_hwfn,3302 QED_MSG_IOV,3303 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",3304 vf->abs_vf_id);3305 status = PFVF_STATUS_FAILURE;3306 goto out;3307 }3308 3309 /* Update shadow copy of the VF configuration */3310 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, ¶ms)) {3311 status = PFVF_STATUS_FAILURE;3312 goto out;3313 }3314 3315 /* Determine if the unicast filtering is acceptible by PF */3316 if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&3317 (params.type == QED_FILTER_VLAN ||3318 params.type == QED_FILTER_MAC_VLAN)) {3319 /* Once VLAN is forced or PVID is set, do not allow3320 * to add/replace any further VLANs.3321 */3322 if (params.opcode == QED_FILTER_ADD ||3323 params.opcode == QED_FILTER_REPLACE)3324 status = PFVF_STATUS_FORCED;3325 goto out;3326 }3327 3328 if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&3329 (params.type == QED_FILTER_MAC ||3330 params.type == QED_FILTER_MAC_VLAN)) {3331 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||3332 (params.opcode != QED_FILTER_ADD &&3333 params.opcode != QED_FILTER_REPLACE))3334 status = PFVF_STATUS_FORCED;3335 goto out;3336 }3337 3338 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, ¶ms);3339 if (rc) {3340 status = PFVF_STATUS_FAILURE;3341 goto out;3342 }3343 3344 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, ¶ms,3345 QED_SPQ_MODE_CB, NULL);3346 if (rc)3347 status = PFVF_STATUS_FAILURE;3348 3349out:3350 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,3351 sizeof(struct pfvf_def_resp_tlv), status);3352}3353 3354static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,3355 struct qed_ptt *p_ptt,3356 struct qed_vf_info *vf)3357{3358 int i;3359 3360 /* Reset the SBs */3361 for (i = 0; i < vf->num_sbs; i++)3362 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,3363 vf->igu_sbs[i],3364 vf->opaque_fid, false);3365 3366 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,3367 sizeof(struct pfvf_def_resp_tlv),3368 PFVF_STATUS_SUCCESS);3369}3370 3371static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,3372 struct qed_ptt *p_ptt, struct qed_vf_info *vf)3373{3374 u16 length = sizeof(struct pfvf_def_resp_tlv);3375 u8 status = PFVF_STATUS_SUCCESS;3376 3377 /* Disable Interrupts for VF */3378 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);3379 3380 /* Reset Permission table */3381 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);3382 3383 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,3384 length, status);3385}3386 3387static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,3388 struct qed_ptt *p_ptt,3389 struct qed_vf_info *p_vf)3390{3391 u16 length = sizeof(struct pfvf_def_resp_tlv);3392 u8 status = PFVF_STATUS_SUCCESS;3393 int rc = 0;3394 3395 qed_iov_vf_cleanup(p_hwfn, p_vf);3396 3397 if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {3398 /* Stopping the VF */3399 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,3400 p_vf->opaque_fid);3401 3402 if (rc) {3403 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",3404 rc);3405 status = PFVF_STATUS_FAILURE;3406 }3407 3408 p_vf->state = VF_STOPPED;3409 }3410 3411 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,3412 length, status);3413}3414 3415static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,3416 struct qed_ptt *p_ptt,3417 struct qed_vf_info *p_vf)3418{3419 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;3420 struct pfvf_read_coal_resp_tlv *p_resp;3421 struct vfpf_read_coal_req_tlv *req;3422 u8 status = PFVF_STATUS_FAILURE;3423 struct qed_vf_queue *p_queue;3424 struct qed_queue_cid *p_cid;3425 u16 coal = 0, qid, i;3426 bool b_is_rx;3427 int rc = 0;3428 3429 mbx->offset = (u8 *)mbx->reply_virt;3430 req = &mbx->req_virt->read_coal_req;3431 3432 qid = req->qid;3433 b_is_rx = req->is_rx ? true : false;3434 3435 if (b_is_rx) {3436 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,3437 QED_IOV_VALIDATE_Q_ENABLE)) {3438 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3439 "VF[%d]: Invalid Rx queue_id = %d\n",3440 p_vf->abs_vf_id, qid);3441 goto send_resp;3442 }3443 3444 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);3445 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);3446 if (rc)3447 goto send_resp;3448 } else {3449 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,3450 QED_IOV_VALIDATE_Q_ENABLE)) {3451 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3452 "VF[%d]: Invalid Tx queue_id = %d\n",3453 p_vf->abs_vf_id, qid);3454 goto send_resp;3455 }3456 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {3457 p_queue = &p_vf->vf_queues[qid];3458 if ((!p_queue->cids[i].p_cid) ||3459 (!p_queue->cids[i].b_is_tx))3460 continue;3461 3462 p_cid = p_queue->cids[i].p_cid;3463 3464 rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);3465 if (rc)3466 goto send_resp;3467 break;3468 }3469 }3470 3471 status = PFVF_STATUS_SUCCESS;3472 3473send_resp:3474 p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,3475 sizeof(*p_resp));3476 p_resp->coal = coal;3477 3478 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,3479 sizeof(struct channel_list_end_tlv));3480 3481 qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);3482}3483 3484static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,3485 struct qed_ptt *p_ptt,3486 struct qed_vf_info *vf)3487{3488 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;3489 struct vfpf_update_coalesce *req;3490 u8 status = PFVF_STATUS_FAILURE;3491 struct qed_queue_cid *p_cid;3492 u16 rx_coal, tx_coal;3493 int rc = 0, i;3494 u16 qid;3495 3496 req = &mbx->req_virt->update_coalesce;3497 3498 rx_coal = req->rx_coal;3499 tx_coal = req->tx_coal;3500 qid = req->qid;3501 3502 if (!qed_iov_validate_rxq(p_hwfn, vf, qid,3503 QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {3504 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3505 "VF[%d]: Invalid Rx queue_id = %d\n",3506 vf->abs_vf_id, qid);3507 goto out;3508 }3509 3510 if (!qed_iov_validate_txq(p_hwfn, vf, qid,3511 QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {3512 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3513 "VF[%d]: Invalid Tx queue_id = %d\n",3514 vf->abs_vf_id, qid);3515 goto out;3516 }3517 3518 DP_VERBOSE(p_hwfn,3519 QED_MSG_IOV,3520 "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",3521 vf->abs_vf_id, rx_coal, tx_coal, qid);3522 3523 if (rx_coal) {3524 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);3525 3526 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);3527 if (rc) {3528 DP_VERBOSE(p_hwfn,3529 QED_MSG_IOV,3530 "VF[%d]: Unable to set rx queue = %d coalesce\n",3531 vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);3532 goto out;3533 }3534 vf->rx_coal = rx_coal;3535 }3536 3537 if (tx_coal) {3538 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];3539 3540 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {3541 if (!p_queue->cids[i].p_cid)3542 continue;3543 3544 if (!p_queue->cids[i].b_is_tx)3545 continue;3546 3547 rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,3548 p_queue->cids[i].p_cid);3549 3550 if (rc) {3551 DP_VERBOSE(p_hwfn,3552 QED_MSG_IOV,3553 "VF[%d]: Unable to set tx queue coalesce\n",3554 vf->abs_vf_id);3555 goto out;3556 }3557 }3558 vf->tx_coal = tx_coal;3559 }3560 3561 status = PFVF_STATUS_SUCCESS;3562out:3563 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,3564 sizeof(struct pfvf_def_resp_tlv), status);3565}3566 3567static int3568qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,3569 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)3570{3571 int cnt;3572 u32 val;3573 3574 qed_fid_pretend(p_hwfn, p_ptt, (u16)p_vf->concrete_fid);3575 3576 for (cnt = 0; cnt < 50; cnt++) {3577 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);3578 if (!val)3579 break;3580 msleep(20);3581 }3582 qed_fid_pretend(p_hwfn, p_ptt, (u16)p_hwfn->hw_info.concrete_fid);3583 3584 if (cnt == 50) {3585 DP_ERR(p_hwfn,3586 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",3587 p_vf->abs_vf_id, val);3588 return -EBUSY;3589 }3590 3591 return 0;3592}3593 3594#define MAX_NUM_EXT_VOQS (MAX_NUM_PORTS * NUM_OF_TCS)3595 3596static int3597qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,3598 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)3599{3600 u32 prod, cons[MAX_NUM_EXT_VOQS], distance[MAX_NUM_EXT_VOQS], tmp;3601 u8 max_phys_tcs_per_port = p_hwfn->qm_info.max_phys_tcs_per_port;3602 u8 max_ports_per_engine = p_hwfn->cdev->num_ports_in_engine;3603 u32 prod_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0;3604 u32 cons_voq0_addr = PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0;3605 u8 port_id, tc, tc_id = 0, voq = 0;3606 int cnt;3607 3608 memset(cons, 0, MAX_NUM_EXT_VOQS * sizeof(u32));3609 memset(distance, 0, MAX_NUM_EXT_VOQS * sizeof(u32));3610 3611 /* Read initial consumers & producers */3612 for (port_id = 0; port_id < max_ports_per_engine; port_id++) {3613 /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */3614 for (tc = 0; tc < max_phys_tcs_per_port + 1; tc++) {3615 tc_id = (tc < max_phys_tcs_per_port) ? tc : PURE_LB_TC;3616 voq = VOQ(port_id, tc_id, max_phys_tcs_per_port);3617 cons[voq] = qed_rd(p_hwfn, p_ptt,3618 cons_voq0_addr + voq * 0x40);3619 prod = qed_rd(p_hwfn, p_ptt,3620 prod_voq0_addr + voq * 0x40);3621 distance[voq] = prod - cons[voq];3622 }3623 }3624 3625 /* Wait for consumers to pass the producers */3626 port_id = 0;3627 tc = 0;3628 for (cnt = 0; cnt < 50; cnt++) {3629 for (; port_id < max_ports_per_engine; port_id++) {3630 /* "max_phys_tcs_per_port" active TCs + 1 pure LB TC */3631 for (; tc < max_phys_tcs_per_port + 1; tc++) {3632 tc_id = (tc < max_phys_tcs_per_port) ?3633 tc : PURE_LB_TC;3634 voq = VOQ(port_id,3635 tc_id, max_phys_tcs_per_port);3636 tmp = qed_rd(p_hwfn, p_ptt,3637 cons_voq0_addr + voq * 0x40);3638 if (distance[voq] > tmp - cons[voq])3639 break;3640 }3641 3642 if (tc == max_phys_tcs_per_port + 1)3643 tc = 0;3644 else3645 break;3646 }3647 3648 if (port_id == max_ports_per_engine)3649 break;3650 3651 msleep(20);3652 }3653 3654 if (cnt == 50) {3655 DP_ERR(p_hwfn, "VF[%d]: pbf poll failed on VOQ%d\n",3656 p_vf->abs_vf_id, (int)voq);3657 3658 DP_ERR(p_hwfn, "VOQ %d has port_id as %d and tc_id as %d]\n",3659 (int)voq, (int)port_id, (int)tc_id);3660 3661 return -EBUSY;3662 }3663 3664 return 0;3665}3666 3667static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,3668 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)3669{3670 int rc;3671 3672 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);3673 if (rc)3674 return rc;3675 3676 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);3677 if (rc)3678 return rc;3679 3680 return 0;3681}3682 3683static int3684qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,3685 struct qed_ptt *p_ptt,3686 u16 rel_vf_id, u32 *ack_vfs)3687{3688 struct qed_vf_info *p_vf;3689 int rc = 0;3690 3691 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);3692 if (!p_vf)3693 return 0;3694 3695 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &3696 (1ULL << (rel_vf_id % 64))) {3697 u16 vfid = p_vf->abs_vf_id;3698 3699 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3700 "VF[%d] - Handling FLR\n", vfid);3701 3702 qed_iov_vf_cleanup(p_hwfn, p_vf);3703 3704 /* If VF isn't active, no need for anything but SW */3705 if (!p_vf->b_init)3706 goto cleanup;3707 3708 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);3709 if (rc)3710 goto cleanup;3711 3712 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);3713 if (rc) {3714 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);3715 return rc;3716 }3717 3718 /* Workaround to make VF-PF channel ready, as FW3719 * doesn't do that as a part of FLR.3720 */3721 REG_WR(p_hwfn,3722 GET_GTT_REG_ADDR(GTT_BAR0_MAP_REG_USDM_RAM,3723 USTORM_VF_PF_CHANNEL_READY, vfid), 1);3724 3725 /* VF_STOPPED has to be set only after final cleanup3726 * but prior to re-enabling the VF.3727 */3728 p_vf->state = VF_STOPPED;3729 3730 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);3731 if (rc) {3732 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",3733 vfid);3734 return rc;3735 }3736cleanup:3737 /* Mark VF for ack and clean pending state */3738 if (p_vf->state == VF_RESET)3739 p_vf->state = VF_STOPPED;3740 ack_vfs[vfid / 32] |= BIT((vfid % 32));3741 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=3742 ~(1ULL << (rel_vf_id % 64));3743 p_vf->vf_mbx.b_pending_msg = false;3744 }3745 3746 return rc;3747}3748 3749static int3750qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)3751{3752 u32 ack_vfs[VF_MAX_STATIC / 32];3753 int rc = 0;3754 u16 i;3755 3756 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));3757 3758 /* Since BRB <-> PRS interface can't be tested as part of the flr3759 * polling due to HW limitations, simply sleep a bit. And since3760 * there's no need to wait per-vf, do it before looping.3761 */3762 msleep(100);3763 3764 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)3765 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);3766 3767 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);3768 return rc;3769}3770 3771bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)3772{3773 bool found = false;3774 u16 i;3775 3776 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");3777 for (i = 0; i < (VF_MAX_STATIC / 32); i++)3778 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3779 "[%08x,...,%08x]: %08x\n",3780 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);3781 3782 if (!p_hwfn->cdev->p_iov_info) {3783 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");3784 return false;3785 }3786 3787 /* Mark VFs */3788 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {3789 struct qed_vf_info *p_vf;3790 u8 vfid;3791 3792 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);3793 if (!p_vf)3794 continue;3795 3796 vfid = p_vf->abs_vf_id;3797 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {3798 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;3799 u16 rel_vf_id = p_vf->relative_vf_id;3800 3801 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3802 "VF[%d] [rel %d] got FLR-ed\n",3803 vfid, rel_vf_id);3804 3805 p_vf->state = VF_RESET;3806 3807 /* No need to lock here, since pending_flr should3808 * only change here and before ACKing MFw. Since3809 * MFW will not trigger an additional attention for3810 * VF flr until ACKs, we're safe.3811 */3812 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);3813 found = true;3814 }3815 }3816 3817 return found;3818}3819 3820static int qed_iov_get_link(struct qed_hwfn *p_hwfn,3821 u16 vfid,3822 struct qed_mcp_link_params *p_params,3823 struct qed_mcp_link_state *p_link,3824 struct qed_mcp_link_capabilities *p_caps)3825{3826 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,3827 vfid,3828 false);3829 struct qed_bulletin_content *p_bulletin;3830 3831 if (!p_vf)3832 return -EINVAL;3833 3834 p_bulletin = p_vf->bulletin.p_virt;3835 3836 if (p_params)3837 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);3838 if (p_link)3839 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);3840 if (p_caps)3841 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);3842 return 0;3843}3844 3845static int3846qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,3847 struct qed_ptt *p_ptt,3848 struct qed_vf_info *p_vf)3849{3850 struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;3851 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;3852 struct vfpf_bulletin_update_mac_tlv *p_req;3853 u8 status = PFVF_STATUS_SUCCESS;3854 int rc = 0;3855 3856 if (!p_vf->p_vf_info.is_trusted_configured) {3857 DP_VERBOSE(p_hwfn,3858 QED_MSG_IOV,3859 "Blocking bulletin update request from untrusted VF[%d]\n",3860 p_vf->abs_vf_id);3861 status = PFVF_STATUS_NOT_SUPPORTED;3862 rc = -EINVAL;3863 goto send_status;3864 }3865 3866 p_req = &mbx->req_virt->bulletin_update_mac;3867 ether_addr_copy(p_bulletin->mac, p_req->mac);3868 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3869 "Updated bulletin of VF[%d] with requested MAC[%pM]\n",3870 p_vf->abs_vf_id, p_req->mac);3871 3872send_status:3873 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,3874 CHANNEL_TLV_BULLETIN_UPDATE_MAC,3875 sizeof(struct pfvf_def_resp_tlv), status);3876 return rc;3877}3878 3879static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,3880 struct qed_ptt *p_ptt, int vfid)3881{3882 struct qed_iov_vf_mbx *mbx;3883 struct qed_vf_info *p_vf;3884 3885 p_vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);3886 if (!p_vf)3887 return;3888 3889 mbx = &p_vf->vf_mbx;3890 3891 /* qed_iov_process_mbx_request */3892 if (!mbx->b_pending_msg) {3893 DP_NOTICE(p_hwfn,3894 "VF[%02x]: Trying to process mailbox message when none is pending\n",3895 p_vf->abs_vf_id);3896 return;3897 }3898 mbx->b_pending_msg = false;3899 3900 mbx->first_tlv = mbx->req_virt->first_tlv;3901 3902 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3903 "VF[%02x]: Processing mailbox message [type %04x]\n",3904 p_vf->abs_vf_id, mbx->first_tlv.tl.type);3905 3906 /* check if tlv type is known */3907 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&3908 !p_vf->b_malicious) {3909 switch (mbx->first_tlv.tl.type) {3910 case CHANNEL_TLV_ACQUIRE:3911 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);3912 break;3913 case CHANNEL_TLV_VPORT_START:3914 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);3915 break;3916 case CHANNEL_TLV_VPORT_TEARDOWN:3917 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);3918 break;3919 case CHANNEL_TLV_START_RXQ:3920 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);3921 break;3922 case CHANNEL_TLV_START_TXQ:3923 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);3924 break;3925 case CHANNEL_TLV_STOP_RXQS:3926 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);3927 break;3928 case CHANNEL_TLV_STOP_TXQS:3929 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);3930 break;3931 case CHANNEL_TLV_UPDATE_RXQ:3932 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);3933 break;3934 case CHANNEL_TLV_VPORT_UPDATE:3935 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);3936 break;3937 case CHANNEL_TLV_UCAST_FILTER:3938 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);3939 break;3940 case CHANNEL_TLV_CLOSE:3941 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);3942 break;3943 case CHANNEL_TLV_INT_CLEANUP:3944 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);3945 break;3946 case CHANNEL_TLV_RELEASE:3947 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);3948 break;3949 case CHANNEL_TLV_UPDATE_TUNN_PARAM:3950 qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);3951 break;3952 case CHANNEL_TLV_COALESCE_UPDATE:3953 qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);3954 break;3955 case CHANNEL_TLV_COALESCE_READ:3956 qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);3957 break;3958 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:3959 qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);3960 break;3961 }3962 } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {3963 DP_VERBOSE(p_hwfn, QED_MSG_IOV,3964 "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",3965 p_vf->abs_vf_id, mbx->first_tlv.tl.type);3966 3967 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,3968 mbx->first_tlv.tl.type,3969 sizeof(struct pfvf_def_resp_tlv),3970 PFVF_STATUS_MALICIOUS);3971 } else {3972 /* unknown TLV - this may belong to a VF driver from the future3973 * - a version written after this PF driver was written, which3974 * supports features unknown as of yet. Too bad since we don't3975 * support them. Or this may be because someone wrote a crappy3976 * VF driver and is sending garbage over the channel.3977 */3978 DP_NOTICE(p_hwfn,3979 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",3980 p_vf->abs_vf_id,3981 mbx->first_tlv.tl.type,3982 mbx->first_tlv.tl.length,3983 mbx->first_tlv.padding, mbx->first_tlv.reply_address);3984 3985 /* Try replying in case reply address matches the acquisition's3986 * posted address.3987 */3988 if (p_vf->acquire.first_tlv.reply_address &&3989 (mbx->first_tlv.reply_address ==3990 p_vf->acquire.first_tlv.reply_address)) {3991 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,3992 mbx->first_tlv.tl.type,3993 sizeof(struct pfvf_def_resp_tlv),3994 PFVF_STATUS_NOT_SUPPORTED);3995 } else {3996 DP_VERBOSE(p_hwfn,3997 QED_MSG_IOV,3998 "VF[%02x]: Can't respond to TLV - no valid reply address\n",3999 p_vf->abs_vf_id);4000 }4001 }4002}4003 4004static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)4005{4006 int i;4007 4008 memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);4009 4010 qed_for_each_vf(p_hwfn, i) {4011 struct qed_vf_info *p_vf;4012 4013 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];4014 if (p_vf->vf_mbx.b_pending_msg)4015 events[i / 64] |= 1ULL << (i % 64);4016 }4017}4018 4019static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,4020 u16 abs_vfid)4021{4022 u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;4023 4024 if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {4025 DP_VERBOSE(p_hwfn,4026 QED_MSG_IOV,4027 "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",4028 abs_vfid);4029 return NULL;4030 }4031 4032 return &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];4033}4034 4035static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,4036 u16 abs_vfid, struct regpair *vf_msg)4037{4038 struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,4039 abs_vfid);4040 4041 if (!p_vf)4042 return 0;4043 4044 /* List the physical address of the request so that handler4045 * could later on copy the message from it.4046 */4047 p_vf->vf_mbx.pending_req = HILO_64(vf_msg->hi, vf_msg->lo);4048 4049 /* Mark the event and schedule the workqueue */4050 p_vf->vf_mbx.b_pending_msg = true;4051 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);4052 4053 return 0;4054}4055 4056void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,4057 struct fw_err_data *p_data)4058{4059 struct qed_vf_info *p_vf;4060 4061 p_vf = qed_sriov_get_vf_from_absid(p_hwfn, qed_vf_from_entity_id4062 (p_data->entity_id));4063 if (!p_vf)4064 return;4065 4066 if (!p_vf->b_malicious) {4067 DP_NOTICE(p_hwfn,4068 "VF [%d] - Malicious behavior [%02x]\n",4069 p_vf->abs_vf_id, p_data->err_id);4070 4071 p_vf->b_malicious = true;4072 } else {4073 DP_INFO(p_hwfn,4074 "VF [%d] - Malicious behavior [%02x]\n",4075 p_vf->abs_vf_id, p_data->err_id);4076 }4077}4078 4079int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn, u8 opcode, __le16 echo,4080 union event_ring_data *data, u8 fw_return_code)4081{4082 switch (opcode) {4083 case COMMON_EVENT_VF_PF_CHANNEL:4084 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),4085 &data->vf_pf_channel.msg_addr);4086 default:4087 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",4088 opcode);4089 return -EINVAL;4090 }4091}4092 4093u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)4094{4095 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;4096 u16 i;4097 4098 if (!p_iov)4099 goto out;4100 4101 for (i = rel_vf_id; i < p_iov->total_vfs; i++)4102 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))4103 return i;4104 4105out:4106 return MAX_NUM_VFS;4107}4108 4109static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,4110 int vfid)4111{4112 struct qed_dmae_params params;4113 struct qed_vf_info *vf_info;4114 4115 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4116 if (!vf_info)4117 return -EINVAL;4118 4119 memset(¶ms, 0, sizeof(params));4120 SET_FIELD(params.flags, QED_DMAE_PARAMS_SRC_VF_VALID, 0x1);4121 SET_FIELD(params.flags, QED_DMAE_PARAMS_COMPLETION_DST, 0x1);4122 params.src_vfid = vf_info->abs_vf_id;4123 4124 if (qed_dmae_host2host(p_hwfn, ptt,4125 vf_info->vf_mbx.pending_req,4126 vf_info->vf_mbx.req_phys,4127 sizeof(union vfpf_tlvs) / 4, ¶ms)) {4128 DP_VERBOSE(p_hwfn, QED_MSG_IOV,4129 "Failed to copy message from VF 0x%02x\n", vfid);4130 4131 return -EIO;4132 }4133 4134 return 0;4135}4136 4137static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,4138 u8 *mac, int vfid)4139{4140 struct qed_vf_info *vf_info;4141 u64 feature;4142 4143 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4144 if (!vf_info) {4145 DP_NOTICE(p_hwfn->cdev,4146 "Can not set forced MAC, invalid vfid [%d]\n", vfid);4147 return;4148 }4149 4150 if (vf_info->b_malicious) {4151 DP_NOTICE(p_hwfn->cdev,4152 "Can't set forced MAC to malicious VF [%d]\n", vfid);4153 return;4154 }4155 4156 if (vf_info->p_vf_info.is_trusted_configured) {4157 feature = BIT(VFPF_BULLETIN_MAC_ADDR);4158 /* Trust mode will disable Forced MAC */4159 vf_info->bulletin.p_virt->valid_bitmap &=4160 ~BIT(MAC_ADDR_FORCED);4161 } else {4162 feature = BIT(MAC_ADDR_FORCED);4163 /* Forced MAC will disable MAC_ADDR */4164 vf_info->bulletin.p_virt->valid_bitmap &=4165 ~BIT(VFPF_BULLETIN_MAC_ADDR);4166 }4167 4168 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);4169 4170 vf_info->bulletin.p_virt->valid_bitmap |= feature;4171 4172 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);4173}4174 4175static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)4176{4177 struct qed_vf_info *vf_info;4178 u64 feature;4179 4180 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4181 if (!vf_info) {4182 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",4183 vfid);4184 return -EINVAL;4185 }4186 4187 if (vf_info->b_malicious) {4188 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",4189 vfid);4190 return -EINVAL;4191 }4192 4193 if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {4194 DP_VERBOSE(p_hwfn, QED_MSG_IOV,4195 "Can not set MAC, Forced MAC is configured\n");4196 return -EINVAL;4197 }4198 4199 feature = BIT(VFPF_BULLETIN_MAC_ADDR);4200 ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);4201 4202 vf_info->bulletin.p_virt->valid_bitmap |= feature;4203 4204 if (vf_info->p_vf_info.is_trusted_configured)4205 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);4206 4207 return 0;4208}4209 4210static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,4211 u16 pvid, int vfid)4212{4213 struct qed_vf_info *vf_info;4214 u64 feature;4215 4216 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4217 if (!vf_info) {4218 DP_NOTICE(p_hwfn->cdev,4219 "Can not set forced MAC, invalid vfid [%d]\n", vfid);4220 return;4221 }4222 4223 if (vf_info->b_malicious) {4224 DP_NOTICE(p_hwfn->cdev,4225 "Can't set forced vlan to malicious VF [%d]\n", vfid);4226 return;4227 }4228 4229 feature = 1 << VLAN_ADDR_FORCED;4230 vf_info->bulletin.p_virt->pvid = pvid;4231 if (pvid)4232 vf_info->bulletin.p_virt->valid_bitmap |= feature;4233 else4234 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;4235 4236 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);4237}4238 4239void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,4240 int vfid, u16 vxlan_port, u16 geneve_port)4241{4242 struct qed_vf_info *vf_info;4243 4244 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4245 if (!vf_info) {4246 DP_NOTICE(p_hwfn->cdev,4247 "Can not set udp ports, invalid vfid [%d]\n", vfid);4248 return;4249 }4250 4251 if (vf_info->b_malicious) {4252 DP_VERBOSE(p_hwfn, QED_MSG_IOV,4253 "Can not set udp ports to malicious VF [%d]\n",4254 vfid);4255 return;4256 }4257 4258 vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;4259 vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;4260}4261 4262static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)4263{4264 struct qed_vf_info *p_vf_info;4265 4266 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4267 if (!p_vf_info)4268 return false;4269 4270 return !!p_vf_info->vport_instance;4271}4272 4273static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)4274{4275 struct qed_vf_info *p_vf_info;4276 4277 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4278 if (!p_vf_info)4279 return true;4280 4281 return p_vf_info->state == VF_STOPPED;4282}4283 4284static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)4285{4286 struct qed_vf_info *vf_info;4287 4288 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4289 if (!vf_info)4290 return false;4291 4292 return vf_info->spoof_chk;4293}4294 4295static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)4296{4297 struct qed_vf_info *vf;4298 int rc = -EINVAL;4299 4300 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {4301 DP_NOTICE(p_hwfn,4302 "SR-IOV sanity check failed, can't set spoofchk\n");4303 goto out;4304 }4305 4306 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4307 if (!vf)4308 goto out;4309 4310 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {4311 /* After VF VPORT start PF will configure spoof check */4312 vf->req_spoofchk_val = val;4313 rc = 0;4314 goto out;4315 }4316 4317 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);4318 4319out:4320 return rc;4321}4322 4323static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)4324{4325 struct qed_vf_info *p_vf;4326 4327 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);4328 if (!p_vf || !p_vf->bulletin.p_virt)4329 return NULL;4330 4331 if (!(p_vf->bulletin.p_virt->valid_bitmap &4332 BIT(VFPF_BULLETIN_MAC_ADDR)))4333 return NULL;4334 4335 return p_vf->bulletin.p_virt->mac;4336}4337 4338static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,4339 u16 rel_vf_id)4340{4341 struct qed_vf_info *p_vf;4342 4343 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);4344 if (!p_vf || !p_vf->bulletin.p_virt)4345 return NULL;4346 4347 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))4348 return NULL;4349 4350 return p_vf->bulletin.p_virt->mac;4351}4352 4353static u164354qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)4355{4356 struct qed_vf_info *p_vf;4357 4358 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);4359 if (!p_vf || !p_vf->bulletin.p_virt)4360 return 0;4361 4362 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))4363 return 0;4364 4365 return p_vf->bulletin.p_virt->pvid;4366}4367 4368static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,4369 struct qed_ptt *p_ptt, int vfid, int val)4370{4371 struct qed_vf_info *vf;4372 u8 abs_vp_id = 0;4373 u16 rl_id;4374 int rc;4375 4376 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4377 if (!vf)4378 return -EINVAL;4379 4380 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);4381 if (rc)4382 return rc;4383 4384 rl_id = abs_vp_id; /* The "rl_id" is set as the "vport_id" */4385 return qed_init_global_rl(p_hwfn, p_ptt, rl_id, (u32)val,4386 QM_RL_TYPE_NORMAL);4387}4388 4389static int4390qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)4391{4392 struct qed_vf_info *vf;4393 u8 vport_id;4394 int i;4395 4396 for_each_hwfn(cdev, i) {4397 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];4398 4399 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {4400 DP_NOTICE(p_hwfn,4401 "SR-IOV sanity check failed, can't set min rate\n");4402 return -EINVAL;4403 }4404 }4405 4406 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);4407 if (!vf)4408 return -EINVAL;4409 4410 vport_id = vf->vport_id;4411 4412 return qed_configure_vport_wfq(cdev, vport_id, rate);4413}4414 4415static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)4416{4417 struct qed_wfq_data *vf_vp_wfq;4418 struct qed_vf_info *vf_info;4419 4420 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);4421 if (!vf_info)4422 return 0;4423 4424 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];4425 4426 if (vf_vp_wfq->configured)4427 return vf_vp_wfq->min_speed;4428 else4429 return 0;4430}4431 4432/**4433 * qed_schedule_iov - schedules IOV task for VF and PF4434 * @hwfn: hardware function pointer4435 * @flag: IOV flag for VF/PF4436 */4437void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)4438{4439 /* Memory barrier for setting atomic bit */4440 smp_mb__before_atomic();4441 set_bit(flag, &hwfn->iov_task_flags);4442 /* Memory barrier after setting atomic bit */4443 smp_mb__after_atomic();4444 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);4445 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);4446}4447 4448void qed_vf_start_iov_wq(struct qed_dev *cdev)4449{4450 int i;4451 4452 for_each_hwfn(cdev, i)4453 queue_delayed_work(cdev->hwfns[i].iov_wq,4454 &cdev->hwfns[i].iov_task, 0);4455}4456 4457int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)4458{4459 int i, j;4460 4461 for_each_hwfn(cdev, i)4462 if (cdev->hwfns[i].iov_wq)4463 flush_workqueue(cdev->hwfns[i].iov_wq);4464 4465 /* Mark VFs for disablement */4466 qed_iov_set_vfs_to_disable(cdev, true);4467 4468 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)4469 pci_disable_sriov(cdev->pdev);4470 4471 if (cdev->recov_in_prog) {4472 DP_VERBOSE(cdev,4473 QED_MSG_IOV,4474 "Skip SRIOV disable operations in the device since a recovery is in progress\n");4475 goto out;4476 }4477 4478 for_each_hwfn(cdev, i) {4479 struct qed_hwfn *hwfn = &cdev->hwfns[i];4480 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);4481 4482 /* Failure to acquire the ptt in 100g creates an odd error4483 * where the first engine has already relased IOV.4484 */4485 if (!ptt) {4486 DP_ERR(hwfn, "Failed to acquire ptt\n");4487 return -EBUSY;4488 }4489 4490 /* Clean WFQ db and configure equal weight for all vports */4491 qed_clean_wfq_db(hwfn, ptt);4492 4493 qed_for_each_vf(hwfn, j) {4494 int k;4495 4496 if (!qed_iov_is_valid_vfid(hwfn, j, true, false))4497 continue;4498 4499 /* Wait until VF is disabled before releasing */4500 for (k = 0; k < 100; k++) {4501 if (!qed_iov_is_vf_stopped(hwfn, j))4502 msleep(20);4503 else4504 break;4505 }4506 4507 if (k < 100)4508 qed_iov_release_hw_for_vf(&cdev->hwfns[i],4509 ptt, j);4510 else4511 DP_ERR(hwfn,4512 "Timeout waiting for VF's FLR to end\n");4513 }4514 4515 qed_ptt_release(hwfn, ptt);4516 }4517out:4518 qed_iov_set_vfs_to_disable(cdev, false);4519 4520 return 0;4521}4522 4523static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,4524 u16 vfid,4525 struct qed_iov_vf_init_params *params)4526{4527 u16 base, i;4528 4529 /* Since we have an equal resource distribution per-VF, and we assume4530 * PF has acquired the QED_PF_L2_QUE first queues, we start setting4531 * sequentially from there.4532 */4533 base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;4534 4535 params->rel_vf_id = vfid;4536 for (i = 0; i < params->num_queues; i++) {4537 params->req_rx_queue[i] = base + i;4538 params->req_tx_queue[i] = base + i;4539 }4540}4541 4542static int qed_sriov_enable(struct qed_dev *cdev, int num)4543{4544 struct qed_iov_vf_init_params params;4545 struct qed_hwfn *hwfn;4546 struct qed_ptt *ptt;4547 int i, j, rc;4548 4549 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {4550 DP_NOTICE(cdev, "Can start at most %d VFs\n",4551 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);4552 return -EINVAL;4553 }4554 4555 memset(¶ms, 0, sizeof(params));4556 4557 /* Initialize HW for VF access */4558 for_each_hwfn(cdev, j) {4559 hwfn = &cdev->hwfns[j];4560 ptt = qed_ptt_acquire(hwfn);4561 4562 /* Make sure not to use more than 16 queues per VF */4563 params.num_queues = min_t(int,4564 FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,4565 16);4566 4567 if (!ptt) {4568 DP_ERR(hwfn, "Failed to acquire ptt\n");4569 rc = -EBUSY;4570 goto err;4571 }4572 4573 for (i = 0; i < num; i++) {4574 if (!qed_iov_is_valid_vfid(hwfn, i, false, true))4575 continue;4576 4577 qed_sriov_enable_qid_config(hwfn, i, ¶ms);4578 rc = qed_iov_init_hw_for_vf(hwfn, ptt, ¶ms);4579 if (rc) {4580 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);4581 qed_ptt_release(hwfn, ptt);4582 goto err;4583 }4584 }4585 4586 qed_ptt_release(hwfn, ptt);4587 }4588 4589 /* Enable SRIOV PCIe functions */4590 rc = pci_enable_sriov(cdev->pdev, num);4591 if (rc) {4592 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);4593 goto err;4594 }4595 4596 hwfn = QED_LEADING_HWFN(cdev);4597 ptt = qed_ptt_acquire(hwfn);4598 if (!ptt) {4599 DP_ERR(hwfn, "Failed to acquire ptt\n");4600 rc = -EBUSY;4601 goto err;4602 }4603 4604 rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);4605 if (rc)4606 DP_INFO(cdev, "Failed to update eswitch mode\n");4607 qed_ptt_release(hwfn, ptt);4608 4609 return num;4610 4611err:4612 qed_sriov_disable(cdev, false);4613 return rc;4614}4615 4616static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)4617{4618 if (!IS_QED_SRIOV(cdev)) {4619 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");4620 return -EOPNOTSUPP;4621 }4622 4623 if (num_vfs_param)4624 return qed_sriov_enable(cdev, num_vfs_param);4625 else4626 return qed_sriov_disable(cdev, true);4627}4628 4629static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)4630{4631 int i;4632 4633 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {4634 DP_VERBOSE(cdev, QED_MSG_IOV,4635 "Cannot set a VF MAC; Sriov is not enabled\n");4636 return -EINVAL;4637 }4638 4639 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {4640 DP_VERBOSE(cdev, QED_MSG_IOV,4641 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);4642 return -EINVAL;4643 }4644 4645 for_each_hwfn(cdev, i) {4646 struct qed_hwfn *hwfn = &cdev->hwfns[i];4647 struct qed_public_vf_info *vf_info;4648 4649 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);4650 if (!vf_info)4651 continue;4652 4653 /* Set the MAC, and schedule the IOV task */4654 if (vf_info->is_trusted_configured)4655 ether_addr_copy(vf_info->mac, mac);4656 else4657 ether_addr_copy(vf_info->forced_mac, mac);4658 4659 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);4660 }4661 4662 return 0;4663}4664 4665static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)4666{4667 int i;4668 4669 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {4670 DP_VERBOSE(cdev, QED_MSG_IOV,4671 "Cannot set a VF MAC; Sriov is not enabled\n");4672 return -EINVAL;4673 }4674 4675 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {4676 DP_VERBOSE(cdev, QED_MSG_IOV,4677 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);4678 return -EINVAL;4679 }4680 4681 for_each_hwfn(cdev, i) {4682 struct qed_hwfn *hwfn = &cdev->hwfns[i];4683 struct qed_public_vf_info *vf_info;4684 4685 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);4686 if (!vf_info)4687 continue;4688 4689 /* Set the forced vlan, and schedule the IOV task */4690 vf_info->forced_vlan = vid;4691 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);4692 }4693 4694 return 0;4695}4696 4697static int qed_get_vf_config(struct qed_dev *cdev,4698 int vf_id, struct ifla_vf_info *ivi)4699{4700 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);4701 struct qed_public_vf_info *vf_info;4702 struct qed_mcp_link_state link;4703 u32 tx_rate;4704 int ret;4705 4706 /* Sanitize request */4707 if (IS_VF(cdev))4708 return -EINVAL;4709 4710 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {4711 DP_VERBOSE(cdev, QED_MSG_IOV,4712 "VF index [%d] isn't active\n", vf_id);4713 return -EINVAL;4714 }4715 4716 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);4717 4718 ret = qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);4719 if (ret)4720 return ret;4721 4722 /* Fill information about VF */4723 ivi->vf = vf_id;4724 4725 if (is_valid_ether_addr(vf_info->forced_mac))4726 ether_addr_copy(ivi->mac, vf_info->forced_mac);4727 else4728 ether_addr_copy(ivi->mac, vf_info->mac);4729 4730 ivi->vlan = vf_info->forced_vlan;4731 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);4732 ivi->linkstate = vf_info->link_state;4733 tx_rate = vf_info->tx_rate;4734 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;4735 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);4736 ivi->trusted = vf_info->is_trusted_request;4737 4738 return 0;4739}4740 4741void qed_inform_vf_link_state(struct qed_hwfn *hwfn)4742{4743 struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);4744 struct qed_mcp_link_capabilities caps;4745 struct qed_mcp_link_params params;4746 struct qed_mcp_link_state link;4747 int i;4748 4749 if (!hwfn->pf_iov_info)4750 return;4751 4752 /* Update bulletin of all future possible VFs with link configuration */4753 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {4754 struct qed_public_vf_info *vf_info;4755 4756 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);4757 if (!vf_info)4758 continue;4759 4760 /* Only hwfn0 is actually interested in the link speed.4761 * But since only it would receive an MFW indication of link,4762 * need to take configuration from it - otherwise things like4763 * rate limiting for hwfn1 VF would not work.4764 */4765 memcpy(¶ms, qed_mcp_get_link_params(lead_hwfn),4766 sizeof(params));4767 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));4768 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),4769 sizeof(caps));4770 4771 /* Modify link according to the VF's configured link state */4772 switch (vf_info->link_state) {4773 case IFLA_VF_LINK_STATE_DISABLE:4774 link.link_up = false;4775 break;4776 case IFLA_VF_LINK_STATE_ENABLE:4777 link.link_up = true;4778 /* Set speed according to maximum supported by HW.4779 * that is 40G for regular devices and 100G for CMT4780 * mode devices.4781 */4782 link.speed = (hwfn->cdev->num_hwfns > 1) ?4783 100000 : 40000;4784 break;4785 default:4786 /* In auto mode pass PF link image to VF */4787 break;4788 }4789 4790 if (link.link_up && vf_info->tx_rate) {4791 struct qed_ptt *ptt;4792 int rate;4793 4794 rate = min_t(int, vf_info->tx_rate, link.speed);4795 4796 ptt = qed_ptt_acquire(hwfn);4797 if (!ptt) {4798 DP_NOTICE(hwfn, "Failed to acquire PTT\n");4799 return;4800 }4801 4802 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {4803 vf_info->tx_rate = rate;4804 link.speed = rate;4805 }4806 4807 qed_ptt_release(hwfn, ptt);4808 }4809 4810 qed_iov_set_link(hwfn, i, ¶ms, &link, &caps);4811 }4812 4813 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);4814}4815 4816static int qed_set_vf_link_state(struct qed_dev *cdev,4817 int vf_id, int link_state)4818{4819 int i;4820 4821 /* Sanitize request */4822 if (IS_VF(cdev))4823 return -EINVAL;4824 4825 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {4826 DP_VERBOSE(cdev, QED_MSG_IOV,4827 "VF index [%d] isn't active\n", vf_id);4828 return -EINVAL;4829 }4830 4831 /* Handle configuration of link state */4832 for_each_hwfn(cdev, i) {4833 struct qed_hwfn *hwfn = &cdev->hwfns[i];4834 struct qed_public_vf_info *vf;4835 4836 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);4837 if (!vf)4838 continue;4839 4840 if (vf->link_state == link_state)4841 continue;4842 4843 vf->link_state = link_state;4844 qed_inform_vf_link_state(&cdev->hwfns[i]);4845 }4846 4847 return 0;4848}4849 4850static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)4851{4852 int i, rc = -EINVAL;4853 4854 for_each_hwfn(cdev, i) {4855 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];4856 4857 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);4858 if (rc)4859 break;4860 }4861 4862 return rc;4863}4864 4865static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)4866{4867 int i;4868 4869 for_each_hwfn(cdev, i) {4870 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];4871 struct qed_public_vf_info *vf;4872 4873 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {4874 DP_NOTICE(p_hwfn,4875 "SR-IOV sanity check failed, can't set tx rate\n");4876 return -EINVAL;4877 }4878 4879 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);4880 4881 vf->tx_rate = rate;4882 4883 qed_inform_vf_link_state(p_hwfn);4884 }4885 4886 return 0;4887}4888 4889static int qed_set_vf_rate(struct qed_dev *cdev,4890 int vfid, u32 min_rate, u32 max_rate)4891{4892 int rc_min = 0, rc_max = 0;4893 4894 if (max_rate)4895 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);4896 4897 if (min_rate)4898 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);4899 4900 if (rc_max | rc_min)4901 return -EINVAL;4902 4903 return 0;4904}4905 4906static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)4907{4908 int i;4909 4910 for_each_hwfn(cdev, i) {4911 struct qed_hwfn *hwfn = &cdev->hwfns[i];4912 struct qed_public_vf_info *vf;4913 4914 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {4915 DP_NOTICE(hwfn,4916 "SR-IOV sanity check failed, can't set trust\n");4917 return -EINVAL;4918 }4919 4920 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);4921 4922 if (vf->is_trusted_request == trust)4923 return 0;4924 vf->is_trusted_request = trust;4925 4926 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);4927 }4928 4929 return 0;4930}4931 4932static void qed_handle_vf_msg(struct qed_hwfn *hwfn)4933{4934 u64 events[QED_VF_ARRAY_LENGTH];4935 struct qed_ptt *ptt;4936 int i;4937 4938 ptt = qed_ptt_acquire(hwfn);4939 if (!ptt) {4940 DP_VERBOSE(hwfn, QED_MSG_IOV,4941 "Can't acquire PTT; re-scheduling\n");4942 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);4943 return;4944 }4945 4946 qed_iov_pf_get_pending_events(hwfn, events);4947 4948 DP_VERBOSE(hwfn, QED_MSG_IOV,4949 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",4950 events[0], events[1], events[2]);4951 4952 qed_for_each_vf(hwfn, i) {4953 /* Skip VFs with no pending messages */4954 if (!(events[i / 64] & (1ULL << (i % 64))))4955 continue;4956 4957 DP_VERBOSE(hwfn, QED_MSG_IOV,4958 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",4959 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);4960 4961 /* Copy VF's message to PF's request buffer for that VF */4962 if (qed_iov_copy_vf_msg(hwfn, ptt, i))4963 continue;4964 4965 qed_iov_process_mbx_req(hwfn, ptt, i);4966 }4967 4968 qed_ptt_release(hwfn, ptt);4969}4970 4971static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,4972 u8 *mac,4973 struct qed_public_vf_info *info)4974{4975 if (info->is_trusted_configured) {4976 if (is_valid_ether_addr(info->mac) &&4977 (!mac || !ether_addr_equal(mac, info->mac)))4978 return true;4979 } else {4980 if (is_valid_ether_addr(info->forced_mac) &&4981 (!mac || !ether_addr_equal(mac, info->forced_mac)))4982 return true;4983 }4984 4985 return false;4986}4987 4988static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,4989 struct qed_public_vf_info *info,4990 int vfid)4991{4992 if (info->is_trusted_configured)4993 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);4994 else4995 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);4996}4997 4998static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)4999{5000 int i;5001 5002 qed_for_each_vf(hwfn, i) {5003 struct qed_public_vf_info *info;5004 bool update = false;5005 u8 *mac;5006 5007 info = qed_iov_get_public_vf_info(hwfn, i, true);5008 if (!info)5009 continue;5010 5011 /* Update data on bulletin board */5012 if (info->is_trusted_configured)5013 mac = qed_iov_bulletin_get_mac(hwfn, i);5014 else5015 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);5016 5017 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {5018 DP_VERBOSE(hwfn,5019 QED_MSG_IOV,5020 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",5021 i,5022 hwfn->cdev->p_iov_info->first_vf_in_pf + i);5023 5024 /* Update bulletin board with MAC */5025 qed_set_bulletin_mac(hwfn, info, i);5026 update = true;5027 }5028 5029 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^5030 info->forced_vlan) {5031 DP_VERBOSE(hwfn,5032 QED_MSG_IOV,5033 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",5034 info->forced_vlan,5035 i,5036 hwfn->cdev->p_iov_info->first_vf_in_pf + i);5037 qed_iov_bulletin_set_forced_vlan(hwfn,5038 info->forced_vlan, i);5039 update = true;5040 }5041 5042 if (update)5043 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);5044 }5045}5046 5047static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)5048{5049 struct qed_ptt *ptt;5050 int i;5051 5052 ptt = qed_ptt_acquire(hwfn);5053 if (!ptt) {5054 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");5055 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);5056 return;5057 }5058 5059 qed_for_each_vf(hwfn, i)5060 qed_iov_post_vf_bulletin(hwfn, i, ptt);5061 5062 qed_ptt_release(hwfn, ptt);5063}5064 5065static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)5066{5067 struct qed_public_vf_info *vf_info;5068 struct qed_vf_info *vf;5069 u8 *force_mac;5070 int i;5071 5072 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);5073 vf = qed_iov_get_vf_info(hwfn, vf_id, true);5074 5075 if (!vf_info || !vf)5076 return;5077 5078 /* Force MAC converted to generic MAC in case of VF trust on */5079 if (vf_info->is_trusted_configured &&5080 (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {5081 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);5082 5083 if (force_mac) {5084 /* Clear existing shadow copy of MAC to have a clean5085 * slate.5086 */5087 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {5088 if (ether_addr_equal(vf->shadow_config.macs[i],5089 vf_info->mac)) {5090 eth_zero_addr(vf->shadow_config.macs[i]);5091 DP_VERBOSE(hwfn, QED_MSG_IOV,5092 "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",5093 vf_info->mac, vf_id);5094 break;5095 }5096 }5097 5098 ether_addr_copy(vf_info->mac, force_mac);5099 eth_zero_addr(vf_info->forced_mac);5100 vf->bulletin.p_virt->valid_bitmap &=5101 ~BIT(MAC_ADDR_FORCED);5102 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);5103 }5104 }5105 5106 /* Update shadow copy with VF MAC when trust mode is turned off */5107 if (!vf_info->is_trusted_configured) {5108 u8 empty_mac[ETH_ALEN];5109 5110 eth_zero_addr(empty_mac);5111 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {5112 if (ether_addr_equal(vf->shadow_config.macs[i],5113 empty_mac)) {5114 ether_addr_copy(vf->shadow_config.macs[i],5115 vf_info->mac);5116 DP_VERBOSE(hwfn, QED_MSG_IOV,5117 "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",5118 vf_info->mac, vf_id);5119 break;5120 }5121 }5122 /* Clear bulletin when trust mode is turned off,5123 * to have a clean slate for next (normal) operations.5124 */5125 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);5126 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);5127 }5128}5129 5130static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)5131{5132 struct qed_sp_vport_update_params params;5133 struct qed_filter_accept_flags *flags;5134 struct qed_public_vf_info *vf_info;5135 struct qed_vf_info *vf;5136 u8 mask;5137 int i;5138 5139 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;5140 flags = ¶ms.accept_flags;5141 5142 qed_for_each_vf(hwfn, i) {5143 /* Need to make sure current requested configuration didn't5144 * flip so that we'll end up configuring something that's not5145 * needed.5146 */5147 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);5148 if (vf_info->is_trusted_configured ==5149 vf_info->is_trusted_request)5150 continue;5151 vf_info->is_trusted_configured = vf_info->is_trusted_request;5152 5153 /* Handle forced MAC mode */5154 qed_update_mac_for_vf_trust_change(hwfn, i);5155 5156 /* Validate that the VF has a configured vport */5157 vf = qed_iov_get_vf_info(hwfn, i, true);5158 if (!vf || !vf->vport_instance)5159 continue;5160 5161 memset(¶ms, 0, sizeof(params));5162 params.opaque_fid = vf->opaque_fid;5163 params.vport_id = vf->vport_id;5164 5165 params.update_ctl_frame_check = 1;5166 params.mac_chk_en = !vf_info->is_trusted_configured;5167 params.update_accept_any_vlan_flg = 0;5168 5169 if (vf_info->accept_any_vlan && vf_info->forced_vlan) {5170 params.update_accept_any_vlan_flg = 1;5171 params.accept_any_vlan = vf_info->accept_any_vlan;5172 }5173 5174 if (vf_info->rx_accept_mode & mask) {5175 flags->update_rx_mode_config = 1;5176 flags->rx_accept_filter = vf_info->rx_accept_mode;5177 }5178 5179 if (vf_info->tx_accept_mode & mask) {5180 flags->update_tx_mode_config = 1;5181 flags->tx_accept_filter = vf_info->tx_accept_mode;5182 }5183 5184 /* Remove if needed; Otherwise this would set the mask */5185 if (!vf_info->is_trusted_configured) {5186 flags->rx_accept_filter &= ~mask;5187 flags->tx_accept_filter &= ~mask;5188 params.accept_any_vlan = false;5189 }5190 5191 if (flags->update_rx_mode_config ||5192 flags->update_tx_mode_config ||5193 params.update_ctl_frame_check ||5194 params.update_accept_any_vlan_flg) {5195 DP_VERBOSE(hwfn, QED_MSG_IOV,5196 "vport update config for %s VF[abs 0x%x rel 0x%x]\n",5197 vf_info->is_trusted_configured ? "trusted" : "untrusted",5198 vf->abs_vf_id, vf->relative_vf_id);5199 qed_sp_vport_update(hwfn, ¶ms,5200 QED_SPQ_MODE_EBLOCK, NULL);5201 }5202 }5203}5204 5205static void qed_iov_pf_task(struct work_struct *work)5206 5207{5208 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,5209 iov_task.work);5210 int rc;5211 5212 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))5213 return;5214 5215 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {5216 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);5217 5218 if (!ptt) {5219 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);5220 return;5221 }5222 5223 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);5224 if (rc)5225 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);5226 5227 qed_ptt_release(hwfn, ptt);5228 }5229 5230 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))5231 qed_handle_vf_msg(hwfn);5232 5233 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,5234 &hwfn->iov_task_flags))5235 qed_handle_pf_set_vf_unicast(hwfn);5236 5237 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,5238 &hwfn->iov_task_flags))5239 qed_handle_bulletin_post(hwfn);5240 5241 if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))5242 qed_iov_handle_trust_change(hwfn);5243}5244 5245void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)5246{5247 int i;5248 5249 for_each_hwfn(cdev, i) {5250 if (!cdev->hwfns[i].iov_wq)5251 continue;5252 5253 if (schedule_first) {5254 qed_schedule_iov(&cdev->hwfns[i],5255 QED_IOV_WQ_STOP_WQ_FLAG);5256 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);5257 }5258 5259 destroy_workqueue(cdev->hwfns[i].iov_wq);5260 }5261}5262 5263int qed_iov_wq_start(struct qed_dev *cdev)5264{5265 char name[NAME_SIZE];5266 int i;5267 5268 for_each_hwfn(cdev, i) {5269 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];5270 5271 /* PFs needs a dedicated workqueue only if they support IOV.5272 * VFs always require one.5273 */5274 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))5275 continue;5276 5277 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",5278 cdev->pdev->bus->number,5279 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);5280 5281 p_hwfn->iov_wq = create_singlethread_workqueue(name);5282 if (!p_hwfn->iov_wq) {5283 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");5284 return -ENOMEM;5285 }5286 5287 if (IS_PF(cdev))5288 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);5289 else5290 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);5291 }5292 5293 return 0;5294}5295 5296const struct qed_iov_hv_ops qed_iov_ops_pass = {5297 .configure = &qed_sriov_configure,5298 .set_mac = &qed_sriov_pf_set_mac,5299 .set_vlan = &qed_sriov_pf_set_vlan,5300 .get_config = &qed_get_vf_config,5301 .set_link_state = &qed_set_vf_link_state,5302 .set_spoof = &qed_spoof_configure,5303 .set_rate = &qed_set_vf_rate,5304 .set_trust = &qed_set_vf_trust,5305};5306