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0001 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
0002 /* QLogic qed NIC Driver
0003  * Copyright (c) 2015-2017  QLogic Corporation
0004  * Copyright (c) 2019-2020 Marvell International Ltd.
0005  */
0006 
0007 #include <linux/crc32.h>
0008 #include <linux/etherdevice.h>
0009 #include "qed.h"
0010 #include "qed_sriov.h"
0011 #include "qed_vf.h"
0012 
0013 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
0014 {
0015     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0016     void *p_tlv;
0017 
0018     /* This lock is released when we receive PF's response
0019      * in qed_send_msg2pf().
0020      * So, qed_vf_pf_prep() and qed_send_msg2pf()
0021      * must come in sequence.
0022      */
0023     mutex_lock(&(p_iov->mutex));
0024 
0025     DP_VERBOSE(p_hwfn,
0026            QED_MSG_IOV,
0027            "preparing to send 0x%04x tlv over vf pf channel\n",
0028            type);
0029 
0030     /* Reset Request offset */
0031     p_iov->offset = (u8 *)p_iov->vf2pf_request;
0032 
0033     /* Clear mailbox - both request and reply */
0034     memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
0035     memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
0036 
0037     /* Init type and length */
0038     p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
0039 
0040     /* Init first tlv header */
0041     ((struct vfpf_first_tlv *)p_tlv)->reply_address =
0042         (u64)p_iov->pf2vf_reply_phys;
0043 
0044     return p_tlv;
0045 }
0046 
0047 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
0048 {
0049     union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
0050 
0051     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0052            "VF request status = 0x%x, PF reply status = 0x%x\n",
0053            req_status, resp->default_resp.hdr.status);
0054 
0055     mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
0056 }
0057 
0058 #define QED_VF_CHANNEL_USLEEP_ITERATIONS    90
0059 #define QED_VF_CHANNEL_USLEEP_DELAY     100
0060 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS    10
0061 #define QED_VF_CHANNEL_MSLEEP_DELAY     25
0062 
0063 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
0064 {
0065     union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
0066     struct ustorm_trigger_vf_zone trigger;
0067     struct ustorm_vf_zone *zone_data;
0068     int iter, rc = 0;
0069 
0070     zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
0071 
0072     /* output tlvs list */
0073     qed_dp_tlv_list(p_hwfn, p_req);
0074 
0075     /* need to add the END TLV to the message size */
0076     resp_size += sizeof(struct channel_list_end_tlv);
0077 
0078     /* Send TLVs over HW channel */
0079     memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
0080     trigger.vf_pf_msg_valid = 1;
0081 
0082     DP_VERBOSE(p_hwfn,
0083            QED_MSG_IOV,
0084            "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
0085            GET_FIELD(p_hwfn->hw_info.concrete_fid,
0086                  PXP_CONCRETE_FID_PFID),
0087            upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
0088            lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
0089            &zone_data->non_trigger.vf_pf_msg_addr,
0090            *((u32 *)&trigger), &zone_data->trigger);
0091 
0092     REG_WR(p_hwfn,
0093            (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
0094            lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
0095 
0096     REG_WR(p_hwfn,
0097            (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
0098            upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
0099 
0100     /* The message data must be written first, to prevent trigger before
0101      * data is written.
0102      */
0103     wmb();
0104 
0105     REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
0106 
0107     /* When PF would be done with the response, it would write back to the
0108      * `done' address from a coherent DMA zone. Poll until then.
0109      */
0110 
0111     iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
0112     while (!*done && iter--) {
0113         udelay(QED_VF_CHANNEL_USLEEP_DELAY);
0114         dma_rmb();
0115     }
0116 
0117     iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
0118     while (!*done && iter--) {
0119         msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
0120         dma_rmb();
0121     }
0122 
0123     if (!*done) {
0124         DP_NOTICE(p_hwfn,
0125               "VF <-- PF Timeout [Type %d]\n",
0126               p_req->first_tlv.tl.type);
0127         rc = -EBUSY;
0128     } else {
0129         if ((*done != PFVF_STATUS_SUCCESS) &&
0130             (*done != PFVF_STATUS_NO_RESOURCE))
0131             DP_NOTICE(p_hwfn,
0132                   "PF response: %d [Type %d]\n",
0133                   *done, p_req->first_tlv.tl.type);
0134         else
0135             DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0136                    "PF response: %d [Type %d]\n",
0137                    *done, p_req->first_tlv.tl.type);
0138     }
0139 
0140     return rc;
0141 }
0142 
0143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
0144                   struct qed_queue_cid *p_cid)
0145 {
0146     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0147     struct vfpf_qid_tlv *p_qid_tlv;
0148 
0149     /* Only add QIDs for the queue if it was negotiated with PF */
0150     if (!(p_iov->acquire_resp.pfdev_info.capabilities &
0151           PFVF_ACQUIRE_CAP_QUEUE_QIDS))
0152         return;
0153 
0154     p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
0155                 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
0156     p_qid_tlv->qid = p_cid->qid_usage_idx;
0157 }
0158 
0159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
0160 {
0161     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0162     struct pfvf_def_resp_tlv *resp;
0163     struct vfpf_first_tlv *req;
0164     u32 size;
0165     int rc;
0166 
0167     /* clear mailbox and prep first tlv */
0168     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
0169 
0170     /* add list termination tlv */
0171     qed_add_tlv(p_hwfn, &p_iov->offset,
0172             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0173 
0174     resp = &p_iov->pf2vf_reply->default_resp;
0175     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0176 
0177     if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
0178         rc = -EAGAIN;
0179 
0180     qed_vf_pf_req_end(p_hwfn, rc);
0181     if (!b_final)
0182         return rc;
0183 
0184     p_hwfn->b_int_enabled = 0;
0185 
0186     if (p_iov->vf2pf_request)
0187         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0188                   sizeof(union vfpf_tlvs),
0189                   p_iov->vf2pf_request,
0190                   p_iov->vf2pf_request_phys);
0191     if (p_iov->pf2vf_reply)
0192         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0193                   sizeof(union pfvf_tlvs),
0194                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
0195 
0196     if (p_iov->bulletin.p_virt) {
0197         size = sizeof(struct qed_bulletin_content);
0198         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0199                   size,
0200                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
0201     }
0202 
0203     kfree(p_hwfn->vf_iov_info);
0204     p_hwfn->vf_iov_info = NULL;
0205 
0206     return rc;
0207 }
0208 
0209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
0210 {
0211     return _qed_vf_pf_release(p_hwfn, true);
0212 }
0213 
0214 #define VF_ACQUIRE_THRESH 3
0215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
0216                       struct vf_pf_resc_request *p_req,
0217                       struct pf_vf_resc *p_resp)
0218 {
0219     DP_VERBOSE(p_hwfn,
0220            QED_MSG_IOV,
0221            "PF unwilling to fulfill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]. Try PF recommended amount\n",
0222            p_req->num_rxqs,
0223            p_resp->num_rxqs,
0224            p_req->num_rxqs,
0225            p_resp->num_txqs,
0226            p_req->num_sbs,
0227            p_resp->num_sbs,
0228            p_req->num_mac_filters,
0229            p_resp->num_mac_filters,
0230            p_req->num_vlan_filters,
0231            p_resp->num_vlan_filters,
0232            p_req->num_mc_filters,
0233            p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
0234 
0235     /* humble our request */
0236     p_req->num_txqs = p_resp->num_txqs;
0237     p_req->num_rxqs = p_resp->num_rxqs;
0238     p_req->num_sbs = p_resp->num_sbs;
0239     p_req->num_mac_filters = p_resp->num_mac_filters;
0240     p_req->num_vlan_filters = p_resp->num_vlan_filters;
0241     p_req->num_mc_filters = p_resp->num_mc_filters;
0242     p_req->num_cids = p_resp->num_cids;
0243 }
0244 
0245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
0246 {
0247     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0248     struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
0249     struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
0250     struct vf_pf_resc_request *p_resc;
0251     u8 retry_cnt = VF_ACQUIRE_THRESH;
0252     bool resources_acquired = false;
0253     struct vfpf_acquire_tlv *req;
0254     int rc = 0, attempts = 0;
0255 
0256     /* clear mailbox and prep first tlv */
0257     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
0258     p_resc = &req->resc_request;
0259 
0260     /* starting filling the request */
0261     req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
0262 
0263     p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
0264     p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
0265     p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
0266     p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
0267     p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
0268     p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
0269 
0270     req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
0271     req->vfdev_info.fw_major = FW_MAJOR_VERSION;
0272     req->vfdev_info.fw_minor = FW_MINOR_VERSION;
0273     req->vfdev_info.fw_revision = FW_REVISION_VERSION;
0274     req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
0275     req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
0276     req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
0277 
0278     /* Fill capability field with any non-deprecated config we support */
0279     req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
0280 
0281     /* If we've mapped the doorbell bar, try using queue qids */
0282     if (p_iov->b_doorbell_bar) {
0283         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
0284                         VFPF_ACQUIRE_CAP_QUEUE_QIDS;
0285         p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
0286     }
0287 
0288     /* pf 2 vf bulletin board address */
0289     req->bulletin_addr = p_iov->bulletin.phys;
0290     req->bulletin_size = p_iov->bulletin.size;
0291 
0292     /* add list termination tlv */
0293     qed_add_tlv(p_hwfn, &p_iov->offset,
0294             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0295 
0296     while (!resources_acquired) {
0297         DP_VERBOSE(p_hwfn,
0298                QED_MSG_IOV, "attempting to acquire resources\n");
0299 
0300         /* Clear response buffer, as this might be a re-send */
0301         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
0302 
0303         /* send acquire request */
0304         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0305 
0306         /* Re-try acquire in case of vf-pf hw channel timeout */
0307         if (retry_cnt && rc == -EBUSY) {
0308             DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0309                    "VF retrying to acquire due to VPC timeout\n");
0310             retry_cnt--;
0311             continue;
0312         }
0313 
0314         if (rc)
0315             goto exit;
0316 
0317         /* copy acquire response from buffer to p_hwfn */
0318         memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
0319 
0320         attempts++;
0321 
0322         if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
0323             /* PF agrees to allocate our resources */
0324             if (!(resp->pfdev_info.capabilities &
0325                   PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
0326                 /* It's possible legacy PF mistakenly accepted;
0327                  * but we don't care - simply mark it as
0328                  * legacy and continue.
0329                  */
0330                 req->vfdev_info.capabilities |=
0331                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
0332             }
0333             DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
0334             resources_acquired = true;
0335         } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
0336                attempts < VF_ACQUIRE_THRESH) {
0337             qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
0338                               &resp->resc);
0339         } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
0340             if (pfdev_info->major_fp_hsi &&
0341                 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
0342                 DP_NOTICE(p_hwfn,
0343                       "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
0344                       pfdev_info->major_fp_hsi,
0345                       pfdev_info->minor_fp_hsi,
0346                       ETH_HSI_VER_MAJOR,
0347                       ETH_HSI_VER_MINOR,
0348                       pfdev_info->major_fp_hsi);
0349                 rc = -EINVAL;
0350                 goto exit;
0351             }
0352 
0353             if (!pfdev_info->major_fp_hsi) {
0354                 if (req->vfdev_info.capabilities &
0355                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
0356                     DP_NOTICE(p_hwfn,
0357                           "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
0358                     rc = -EINVAL;
0359                     goto exit;
0360                 } else {
0361                     DP_INFO(p_hwfn,
0362                         "PF is old - try re-acquire to see if it supports FW-version override\n");
0363                     req->vfdev_info.capabilities |=
0364                         VFPF_ACQUIRE_CAP_PRE_FP_HSI;
0365                     continue;
0366                 }
0367             }
0368 
0369             /* If PF/VF are using same Major, PF must have had
0370              * it's reasons. Simply fail.
0371              */
0372             DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
0373             rc = -EINVAL;
0374             goto exit;
0375         } else {
0376             DP_ERR(p_hwfn,
0377                    "PF returned error %d to VF acquisition request\n",
0378                    resp->hdr.status);
0379             rc = -EAGAIN;
0380             goto exit;
0381         }
0382     }
0383 
0384     /* Mark the PF as legacy, if needed */
0385     if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
0386         p_iov->b_pre_fp_hsi = true;
0387 
0388     /* In case PF doesn't support multi-queue Tx, update the number of
0389      * CIDs to reflect the number of queues [older PFs didn't fill that
0390      * field].
0391      */
0392     if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
0393         resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
0394 
0395     /* Update bulletin board size with response from PF */
0396     p_iov->bulletin.size = resp->bulletin_size;
0397 
0398     /* get HW info */
0399     p_hwfn->cdev->type = resp->pfdev_info.dev_type;
0400     p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
0401 
0402     p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
0403 
0404     /* Learn of the possibility of CMT */
0405     if (IS_LEAD_HWFN(p_hwfn)) {
0406         if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
0407             DP_NOTICE(p_hwfn, "100g VF\n");
0408             p_hwfn->cdev->num_hwfns = 2;
0409         }
0410     }
0411 
0412     if (!p_iov->b_pre_fp_hsi &&
0413         (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
0414         DP_INFO(p_hwfn,
0415             "PF is using older fastpath HSI; %02x.%02x is configured\n",
0416             ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
0417     }
0418 
0419 exit:
0420     qed_vf_pf_req_end(p_hwfn, rc);
0421 
0422     return rc;
0423 }
0424 
0425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
0426 {
0427     u32 bar_size;
0428 
0429     /* Regview size is fixed */
0430     if (bar_id == BAR_ID_0)
0431         return 1 << 17;
0432 
0433     /* Doorbell is received from PF */
0434     bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
0435     if (bar_size)
0436         return 1 << bar_size;
0437     return 0;
0438 }
0439 
0440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
0441 {
0442     struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
0443     struct qed_vf_iov *p_iov;
0444     u32 reg;
0445     int rc;
0446 
0447     /* Set number of hwfns - might be overridden once leading hwfn learns
0448      * actual configuration from PF.
0449      */
0450     if (IS_LEAD_HWFN(p_hwfn))
0451         p_hwfn->cdev->num_hwfns = 1;
0452 
0453     reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
0454     p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
0455 
0456     reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
0457     p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
0458 
0459     /* Allocate vf sriov info */
0460     p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
0461     if (!p_iov)
0462         return -ENOMEM;
0463 
0464     /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
0465      * value, but there are several incompatibily scenarios where that
0466      * would be incorrect and we'd need to override it.
0467      */
0468     if (!p_hwfn->doorbells) {
0469         p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
0470                           PXP_VF_BAR0_START_DQ;
0471     } else if (p_hwfn == p_lead) {
0472         /* For leading hw-function, value is always correct, but need
0473          * to handle scenario where legacy PF would not support 100g
0474          * mapped bars later.
0475          */
0476         p_iov->b_doorbell_bar = true;
0477     } else {
0478         /* here, value would be correct ONLY if the leading hwfn
0479          * received indication that mapped-bars are supported.
0480          */
0481         if (p_lead->vf_iov_info->b_doorbell_bar)
0482             p_iov->b_doorbell_bar = true;
0483         else
0484             p_hwfn->doorbells = (u8 __iomem *)
0485                 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
0486     }
0487 
0488     /* Allocate vf2pf msg */
0489     p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0490                           sizeof(union vfpf_tlvs),
0491                           &p_iov->vf2pf_request_phys,
0492                           GFP_KERNEL);
0493     if (!p_iov->vf2pf_request)
0494         goto free_p_iov;
0495 
0496     p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0497                         sizeof(union pfvf_tlvs),
0498                         &p_iov->pf2vf_reply_phys,
0499                         GFP_KERNEL);
0500     if (!p_iov->pf2vf_reply)
0501         goto free_vf2pf_request;
0502 
0503     DP_VERBOSE(p_hwfn,
0504            QED_MSG_IOV,
0505            "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
0506            p_iov->vf2pf_request,
0507            (u64)p_iov->vf2pf_request_phys,
0508            p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
0509 
0510     /* Allocate Bulletin board */
0511     p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
0512     p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
0513                             p_iov->bulletin.size,
0514                             &p_iov->bulletin.phys,
0515                             GFP_KERNEL);
0516     if (!p_iov->bulletin.p_virt)
0517         goto free_pf2vf_reply;
0518 
0519     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0520            "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
0521            p_iov->bulletin.p_virt,
0522            (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
0523 
0524     mutex_init(&p_iov->mutex);
0525 
0526     p_hwfn->vf_iov_info = p_iov;
0527 
0528     p_hwfn->hw_info.personality = QED_PCI_ETH;
0529 
0530     rc = qed_vf_pf_acquire(p_hwfn);
0531 
0532     /* If VF is 100g using a mapped bar and PF is too old to support that,
0533      * acquisition would succeed - but the VF would have no way knowing
0534      * the size of the doorbell bar configured in HW and thus will not
0535      * know how to split it for 2nd hw-function.
0536      * In this case we re-try without the indication of the mapped
0537      * doorbell.
0538      */
0539     if (!rc && p_iov->b_doorbell_bar &&
0540         !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
0541         (p_hwfn->cdev->num_hwfns > 1)) {
0542         rc = _qed_vf_pf_release(p_hwfn, false);
0543         if (rc)
0544             return rc;
0545 
0546         p_iov->b_doorbell_bar = false;
0547         p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
0548                           PXP_VF_BAR0_START_DQ;
0549         rc = qed_vf_pf_acquire(p_hwfn);
0550     }
0551 
0552     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0553            "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
0554            p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
0555 
0556     return rc;
0557 
0558 free_pf2vf_reply:
0559     dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0560               sizeof(union pfvf_tlvs),
0561               p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
0562 free_vf2pf_request:
0563     dma_free_coherent(&p_hwfn->cdev->pdev->dev,
0564               sizeof(union vfpf_tlvs),
0565               p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
0566 free_p_iov:
0567     kfree(p_iov);
0568 
0569     return -ENOMEM;
0570 }
0571 
0572 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
0573 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
0574                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
0575 
0576 static void
0577 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
0578                struct qed_tunn_update_type *p_src,
0579                enum qed_tunn_mode mask, u8 *p_cls)
0580 {
0581     if (p_src->b_update_mode) {
0582         p_req->tun_mode_update_mask |= BIT(mask);
0583 
0584         if (p_src->b_mode_enabled)
0585             p_req->tunn_mode |= BIT(mask);
0586     }
0587 
0588     *p_cls = p_src->tun_cls;
0589 }
0590 
0591 static void
0592 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
0593              struct qed_tunn_update_type *p_src,
0594              enum qed_tunn_mode mask,
0595              u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
0596              u8 *p_update_port, u16 *p_udp_port)
0597 {
0598     if (p_port->b_update_port) {
0599         *p_update_port = 1;
0600         *p_udp_port = p_port->port;
0601     }
0602 
0603     __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
0604 }
0605 
0606 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
0607 {
0608     if (p_tun->vxlan.b_mode_enabled)
0609         p_tun->vxlan.b_update_mode = true;
0610     if (p_tun->l2_geneve.b_mode_enabled)
0611         p_tun->l2_geneve.b_update_mode = true;
0612     if (p_tun->ip_geneve.b_mode_enabled)
0613         p_tun->ip_geneve.b_update_mode = true;
0614     if (p_tun->l2_gre.b_mode_enabled)
0615         p_tun->l2_gre.b_update_mode = true;
0616     if (p_tun->ip_gre.b_mode_enabled)
0617         p_tun->ip_gre.b_update_mode = true;
0618 
0619     p_tun->b_update_rx_cls = true;
0620     p_tun->b_update_tx_cls = true;
0621 }
0622 
0623 static void
0624 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
0625                u16 feature_mask, u8 tunn_mode,
0626                u8 tunn_cls, enum qed_tunn_mode val)
0627 {
0628     if (feature_mask & BIT(val)) {
0629         p_tun->b_mode_enabled = tunn_mode;
0630         p_tun->tun_cls = tunn_cls;
0631     } else {
0632         p_tun->b_mode_enabled = false;
0633     }
0634 }
0635 
0636 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
0637                      struct qed_tunnel_info *p_tun,
0638                      struct pfvf_update_tunn_param_tlv *p_resp)
0639 {
0640     /* Update mode and classes provided by PF */
0641     u16 feat_mask = p_resp->tunn_feature_mask;
0642 
0643     __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
0644                    p_resp->vxlan_mode, p_resp->vxlan_clss,
0645                    QED_MODE_VXLAN_TUNN);
0646     __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
0647                    p_resp->l2geneve_mode,
0648                    p_resp->l2geneve_clss,
0649                    QED_MODE_L2GENEVE_TUNN);
0650     __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
0651                    p_resp->ipgeneve_mode,
0652                    p_resp->ipgeneve_clss,
0653                    QED_MODE_IPGENEVE_TUNN);
0654     __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
0655                    p_resp->l2gre_mode, p_resp->l2gre_clss,
0656                    QED_MODE_L2GRE_TUNN);
0657     __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
0658                    p_resp->ipgre_mode, p_resp->ipgre_clss,
0659                    QED_MODE_IPGRE_TUNN);
0660     p_tun->geneve_port.port = p_resp->geneve_udp_port;
0661     p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
0662 
0663     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0664            "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
0665            p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
0666            p_tun->ip_geneve.b_mode_enabled,
0667            p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
0668 }
0669 
0670 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
0671                   struct qed_tunnel_info *p_src)
0672 {
0673     struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
0674     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0675     struct pfvf_update_tunn_param_tlv *p_resp;
0676     struct vfpf_update_tunn_param_tlv *p_req;
0677     int rc;
0678 
0679     p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
0680                    sizeof(*p_req));
0681 
0682     if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
0683         p_req->update_tun_cls = 1;
0684 
0685     qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
0686                  &p_req->vxlan_clss, &p_src->vxlan_port,
0687                  &p_req->update_vxlan_port,
0688                  &p_req->vxlan_port);
0689     qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
0690                  QED_MODE_L2GENEVE_TUNN,
0691                  &p_req->l2geneve_clss, &p_src->geneve_port,
0692                  &p_req->update_geneve_port,
0693                  &p_req->geneve_port);
0694     __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
0695                    QED_MODE_IPGENEVE_TUNN,
0696                    &p_req->ipgeneve_clss);
0697     __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
0698                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
0699     __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
0700                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
0701 
0702     /* add list termination tlv */
0703     qed_add_tlv(p_hwfn, &p_iov->offset,
0704             CHANNEL_TLV_LIST_END,
0705             sizeof(struct channel_list_end_tlv));
0706 
0707     p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
0708     rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
0709 
0710     if (rc)
0711         goto exit;
0712 
0713     if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
0714         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0715                "Failed to update tunnel parameters\n");
0716         rc = -EINVAL;
0717     }
0718 
0719     qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
0720 exit:
0721     qed_vf_pf_req_end(p_hwfn, rc);
0722     return rc;
0723 }
0724 
0725 int
0726 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
0727             struct qed_queue_cid *p_cid,
0728             u16 bd_max_bytes,
0729             dma_addr_t bd_chain_phys_addr,
0730             dma_addr_t cqe_pbl_addr,
0731             u16 cqe_pbl_size, void __iomem **pp_prod)
0732 {
0733     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0734     struct pfvf_start_queue_resp_tlv *resp;
0735     struct vfpf_start_rxq_tlv *req;
0736     u8 rx_qid = p_cid->rel.queue_id;
0737     int rc;
0738 
0739     /* clear mailbox and prep first tlv */
0740     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
0741 
0742     req->rx_qid = rx_qid;
0743     req->cqe_pbl_addr = cqe_pbl_addr;
0744     req->cqe_pbl_size = cqe_pbl_size;
0745     req->rxq_addr = bd_chain_phys_addr;
0746     req->hw_sb = p_cid->sb_igu_id;
0747     req->sb_index = p_cid->sb_idx;
0748     req->bd_max_bytes = bd_max_bytes;
0749     req->stat_id = -1;
0750 
0751     /* If PF is legacy, we'll need to calculate producers ourselves
0752      * as well as clean them.
0753      */
0754     if (p_iov->b_pre_fp_hsi) {
0755         u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
0756         u32 init_prod_val = 0;
0757 
0758         *pp_prod = (u8 __iomem *)
0759             p_hwfn->regview +
0760             MSTORM_QZONE_START(p_hwfn->cdev) +
0761             hw_qid * MSTORM_QZONE_SIZE;
0762 
0763         /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
0764         __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
0765                   (u32 *)(&init_prod_val));
0766     }
0767 
0768     qed_vf_pf_add_qid(p_hwfn, p_cid);
0769 
0770     /* add list termination tlv */
0771     qed_add_tlv(p_hwfn, &p_iov->offset,
0772             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0773 
0774     resp = &p_iov->pf2vf_reply->queue_start;
0775     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0776     if (rc)
0777         goto exit;
0778 
0779     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
0780         rc = -EINVAL;
0781         goto exit;
0782     }
0783 
0784     /* Learn the address of the producer from the response */
0785     if (!p_iov->b_pre_fp_hsi) {
0786         u32 init_prod_val = 0;
0787 
0788         *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
0789         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0790                "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
0791                rx_qid, *pp_prod, resp->offset);
0792 
0793         /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
0794         __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
0795                   (u32 *)&init_prod_val);
0796     }
0797 exit:
0798     qed_vf_pf_req_end(p_hwfn, rc);
0799 
0800     return rc;
0801 }
0802 
0803 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
0804                struct qed_queue_cid *p_cid, bool cqe_completion)
0805 {
0806     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0807     struct vfpf_stop_rxqs_tlv *req;
0808     struct pfvf_def_resp_tlv *resp;
0809     int rc;
0810 
0811     /* clear mailbox and prep first tlv */
0812     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
0813 
0814     req->rx_qid = p_cid->rel.queue_id;
0815     req->num_rxqs = 1;
0816     req->cqe_completion = cqe_completion;
0817 
0818     qed_vf_pf_add_qid(p_hwfn, p_cid);
0819 
0820     /* add list termination tlv */
0821     qed_add_tlv(p_hwfn, &p_iov->offset,
0822             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0823 
0824     resp = &p_iov->pf2vf_reply->default_resp;
0825     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0826     if (rc)
0827         goto exit;
0828 
0829     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
0830         rc = -EINVAL;
0831         goto exit;
0832     }
0833 
0834 exit:
0835     qed_vf_pf_req_end(p_hwfn, rc);
0836 
0837     return rc;
0838 }
0839 
0840 int
0841 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
0842             struct qed_queue_cid *p_cid,
0843             dma_addr_t pbl_addr,
0844             u16 pbl_size, void __iomem **pp_doorbell)
0845 {
0846     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0847     struct pfvf_start_queue_resp_tlv *resp;
0848     struct vfpf_start_txq_tlv *req;
0849     u16 qid = p_cid->rel.queue_id;
0850     int rc;
0851 
0852     /* clear mailbox and prep first tlv */
0853     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
0854 
0855     req->tx_qid = qid;
0856 
0857     /* Tx */
0858     req->pbl_addr = pbl_addr;
0859     req->pbl_size = pbl_size;
0860     req->hw_sb = p_cid->sb_igu_id;
0861     req->sb_index = p_cid->sb_idx;
0862 
0863     qed_vf_pf_add_qid(p_hwfn, p_cid);
0864 
0865     /* add list termination tlv */
0866     qed_add_tlv(p_hwfn, &p_iov->offset,
0867             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0868 
0869     resp = &p_iov->pf2vf_reply->queue_start;
0870     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0871     if (rc)
0872         goto exit;
0873 
0874     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
0875         rc = -EINVAL;
0876         goto exit;
0877     }
0878 
0879     /* Modern PFs provide the actual offsets, while legacy
0880      * provided only the queue id.
0881      */
0882     if (!p_iov->b_pre_fp_hsi) {
0883         *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
0884     } else {
0885         u8 cid = p_iov->acquire_resp.resc.cid[qid];
0886 
0887         *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
0888                          qed_db_addr_vf(cid,
0889                                 DQ_DEMS_LEGACY);
0890     }
0891 
0892     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
0893            "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
0894            qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
0895 exit:
0896     qed_vf_pf_req_end(p_hwfn, rc);
0897 
0898     return rc;
0899 }
0900 
0901 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
0902 {
0903     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0904     struct vfpf_stop_txqs_tlv *req;
0905     struct pfvf_def_resp_tlv *resp;
0906     int rc;
0907 
0908     /* clear mailbox and prep first tlv */
0909     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
0910 
0911     req->tx_qid = p_cid->rel.queue_id;
0912     req->num_txqs = 1;
0913 
0914     qed_vf_pf_add_qid(p_hwfn, p_cid);
0915 
0916     /* add list termination tlv */
0917     qed_add_tlv(p_hwfn, &p_iov->offset,
0918             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0919 
0920     resp = &p_iov->pf2vf_reply->default_resp;
0921     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0922     if (rc)
0923         goto exit;
0924 
0925     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
0926         rc = -EINVAL;
0927         goto exit;
0928     }
0929 
0930 exit:
0931     qed_vf_pf_req_end(p_hwfn, rc);
0932 
0933     return rc;
0934 }
0935 
0936 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
0937               u8 vport_id,
0938               u16 mtu,
0939               u8 inner_vlan_removal,
0940               enum qed_tpa_mode tpa_mode,
0941               u8 max_buffers_per_cqe, u8 only_untagged)
0942 {
0943     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0944     struct vfpf_vport_start_tlv *req;
0945     struct pfvf_def_resp_tlv *resp;
0946     int rc, i;
0947 
0948     /* clear mailbox and prep first tlv */
0949     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
0950 
0951     req->mtu = mtu;
0952     req->vport_id = vport_id;
0953     req->inner_vlan_removal = inner_vlan_removal;
0954     req->tpa_mode = tpa_mode;
0955     req->max_buffers_per_cqe = max_buffers_per_cqe;
0956     req->only_untagged = only_untagged;
0957 
0958     /* status blocks */
0959     for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
0960         struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
0961 
0962         if (p_sb)
0963             req->sb_addr[i] = p_sb->sb_phys;
0964     }
0965 
0966     /* add list termination tlv */
0967     qed_add_tlv(p_hwfn, &p_iov->offset,
0968             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0969 
0970     resp = &p_iov->pf2vf_reply->default_resp;
0971     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
0972     if (rc)
0973         goto exit;
0974 
0975     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
0976         rc = -EINVAL;
0977         goto exit;
0978     }
0979 
0980 exit:
0981     qed_vf_pf_req_end(p_hwfn, rc);
0982 
0983     return rc;
0984 }
0985 
0986 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
0987 {
0988     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
0989     struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
0990     int rc;
0991 
0992     /* clear mailbox and prep first tlv */
0993     qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
0994                sizeof(struct vfpf_first_tlv));
0995 
0996     /* add list termination tlv */
0997     qed_add_tlv(p_hwfn, &p_iov->offset,
0998             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
0999 
1000     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1001     if (rc)
1002         goto exit;
1003 
1004     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1005         rc = -EINVAL;
1006         goto exit;
1007     }
1008 
1009 exit:
1010     qed_vf_pf_req_end(p_hwfn, rc);
1011 
1012     return rc;
1013 }
1014 
1015 static bool
1016 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1017                   struct qed_sp_vport_update_params *p_data,
1018                   u16 tlv)
1019 {
1020     switch (tlv) {
1021     case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1022         return !!(p_data->update_vport_active_rx_flg ||
1023               p_data->update_vport_active_tx_flg);
1024     case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1025         return !!p_data->update_tx_switching_flg;
1026     case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1027         return !!p_data->update_inner_vlan_removal_flg;
1028     case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1029         return !!p_data->update_accept_any_vlan_flg;
1030     case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1031         return !!p_data->update_approx_mcast_flg;
1032     case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1033         return !!(p_data->accept_flags.update_rx_mode_config ||
1034               p_data->accept_flags.update_tx_mode_config);
1035     case CHANNEL_TLV_VPORT_UPDATE_RSS:
1036         return !!p_data->rss_params;
1037     case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1038         return !!p_data->sge_tpa_params;
1039     default:
1040         DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1041             tlv);
1042         return false;
1043     }
1044 }
1045 
1046 static void
1047 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1048                   struct qed_sp_vport_update_params *p_data)
1049 {
1050     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1051     struct pfvf_def_resp_tlv *p_resp;
1052     u16 tlv;
1053 
1054     for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1055          tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1056         if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1057             continue;
1058 
1059         p_resp = (struct pfvf_def_resp_tlv *)
1060              qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1061                           tlv);
1062         if (p_resp && p_resp->hdr.status)
1063             DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1064                    "TLV[%d] Configuration %s\n",
1065                    tlv,
1066                    (p_resp && p_resp->hdr.status) ? "succeeded"
1067                                   : "failed");
1068     }
1069 }
1070 
1071 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1072                struct qed_sp_vport_update_params *p_params)
1073 {
1074     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1075     struct vfpf_vport_update_tlv *req;
1076     struct pfvf_def_resp_tlv *resp;
1077     u8 update_rx, update_tx;
1078     u32 resp_size = 0;
1079     u16 size, tlv;
1080     int rc;
1081 
1082     resp = &p_iov->pf2vf_reply->default_resp;
1083     resp_size = sizeof(*resp);
1084 
1085     update_rx = p_params->update_vport_active_rx_flg;
1086     update_tx = p_params->update_vport_active_tx_flg;
1087 
1088     /* clear mailbox and prep header tlv */
1089     qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1090 
1091     /* Prepare extended tlvs */
1092     if (update_rx || update_tx) {
1093         struct vfpf_vport_update_activate_tlv *p_act_tlv;
1094 
1095         size = sizeof(struct vfpf_vport_update_activate_tlv);
1096         p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1097                     CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1098                     size);
1099         resp_size += sizeof(struct pfvf_def_resp_tlv);
1100 
1101         if (update_rx) {
1102             p_act_tlv->update_rx = update_rx;
1103             p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1104         }
1105 
1106         if (update_tx) {
1107             p_act_tlv->update_tx = update_tx;
1108             p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1109         }
1110     }
1111 
1112     if (p_params->update_tx_switching_flg) {
1113         struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1114 
1115         size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1116         tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1117         p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1118                           tlv, size);
1119         resp_size += sizeof(struct pfvf_def_resp_tlv);
1120 
1121         p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1122     }
1123 
1124     if (p_params->update_approx_mcast_flg) {
1125         struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1126 
1127         size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1128         p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1129                       CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1130         resp_size += sizeof(struct pfvf_def_resp_tlv);
1131 
1132         memcpy(p_mcast_tlv->bins, p_params->bins,
1133                sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1134     }
1135 
1136     update_rx = p_params->accept_flags.update_rx_mode_config;
1137     update_tx = p_params->accept_flags.update_tx_mode_config;
1138 
1139     if (update_rx || update_tx) {
1140         struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1141 
1142         tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1143         size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1144         p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1145         resp_size += sizeof(struct pfvf_def_resp_tlv);
1146 
1147         if (update_rx) {
1148             p_accept_tlv->update_rx_mode = update_rx;
1149             p_accept_tlv->rx_accept_filter =
1150                 p_params->accept_flags.rx_accept_filter;
1151         }
1152 
1153         if (update_tx) {
1154             p_accept_tlv->update_tx_mode = update_tx;
1155             p_accept_tlv->tx_accept_filter =
1156                 p_params->accept_flags.tx_accept_filter;
1157         }
1158     }
1159 
1160     if (p_params->rss_params) {
1161         struct qed_rss_params *rss_params = p_params->rss_params;
1162         struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1163         int i, table_size;
1164 
1165         size = sizeof(struct vfpf_vport_update_rss_tlv);
1166         p_rss_tlv = qed_add_tlv(p_hwfn,
1167                     &p_iov->offset,
1168                     CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1169         resp_size += sizeof(struct pfvf_def_resp_tlv);
1170 
1171         if (rss_params->update_rss_config)
1172             p_rss_tlv->update_rss_flags |=
1173                 VFPF_UPDATE_RSS_CONFIG_FLAG;
1174         if (rss_params->update_rss_capabilities)
1175             p_rss_tlv->update_rss_flags |=
1176                 VFPF_UPDATE_RSS_CAPS_FLAG;
1177         if (rss_params->update_rss_ind_table)
1178             p_rss_tlv->update_rss_flags |=
1179                 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1180         if (rss_params->update_rss_key)
1181             p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1182 
1183         p_rss_tlv->rss_enable = rss_params->rss_enable;
1184         p_rss_tlv->rss_caps = rss_params->rss_caps;
1185         p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1186 
1187         table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1188                    1 << p_rss_tlv->rss_table_size_log);
1189         for (i = 0; i < table_size; i++) {
1190             struct qed_queue_cid *p_queue;
1191 
1192             p_queue = rss_params->rss_ind_table[i];
1193             p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1194         }
1195         memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1196                sizeof(rss_params->rss_key));
1197     }
1198 
1199     if (p_params->update_accept_any_vlan_flg) {
1200         struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1201 
1202         size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1203         tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1204         p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1205 
1206         resp_size += sizeof(struct pfvf_def_resp_tlv);
1207         p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1208         p_any_vlan_tlv->update_accept_any_vlan_flg =
1209             p_params->update_accept_any_vlan_flg;
1210     }
1211 
1212     /* add list termination tlv */
1213     qed_add_tlv(p_hwfn, &p_iov->offset,
1214             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1215 
1216     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1217     if (rc)
1218         goto exit;
1219 
1220     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1221         rc = -EINVAL;
1222         goto exit;
1223     }
1224 
1225     qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1226 
1227 exit:
1228     qed_vf_pf_req_end(p_hwfn, rc);
1229 
1230     return rc;
1231 }
1232 
1233 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1234 {
1235     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1236     struct pfvf_def_resp_tlv *resp;
1237     struct vfpf_first_tlv *req;
1238     int rc;
1239 
1240     /* clear mailbox and prep first tlv */
1241     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1242 
1243     /* add list termination tlv */
1244     qed_add_tlv(p_hwfn, &p_iov->offset,
1245             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1246 
1247     resp = &p_iov->pf2vf_reply->default_resp;
1248     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1249     if (rc)
1250         goto exit;
1251 
1252     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1253         rc = -EAGAIN;
1254         goto exit;
1255     }
1256 
1257     p_hwfn->b_int_enabled = 0;
1258 
1259 exit:
1260     qed_vf_pf_req_end(p_hwfn, rc);
1261 
1262     return rc;
1263 }
1264 
1265 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1266                 struct qed_filter_mcast *p_filter_cmd)
1267 {
1268     struct qed_sp_vport_update_params sp_params;
1269     int i;
1270 
1271     memset(&sp_params, 0, sizeof(sp_params));
1272     sp_params.update_approx_mcast_flg = 1;
1273 
1274     if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1275         for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1276             u32 bit;
1277 
1278             bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1279             sp_params.bins[bit / 32] |= 1 << (bit % 32);
1280         }
1281     }
1282 
1283     qed_vf_pf_vport_update(p_hwfn, &sp_params);
1284 }
1285 
1286 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1287                struct qed_filter_ucast *p_ucast)
1288 {
1289     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1290     struct vfpf_ucast_filter_tlv *req;
1291     struct pfvf_def_resp_tlv *resp;
1292     int rc;
1293 
1294     /* clear mailbox and prep first tlv */
1295     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1296     req->opcode = (u8)p_ucast->opcode;
1297     req->type = (u8)p_ucast->type;
1298     memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1299     req->vlan = p_ucast->vlan;
1300 
1301     /* add list termination tlv */
1302     qed_add_tlv(p_hwfn, &p_iov->offset,
1303             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1304 
1305     resp = &p_iov->pf2vf_reply->default_resp;
1306     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1307     if (rc)
1308         goto exit;
1309 
1310     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1311         rc = -EAGAIN;
1312         goto exit;
1313     }
1314 
1315 exit:
1316     qed_vf_pf_req_end(p_hwfn, rc);
1317 
1318     return rc;
1319 }
1320 
1321 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1322 {
1323     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1324     struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1325     int rc;
1326 
1327     /* clear mailbox and prep first tlv */
1328     qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1329                sizeof(struct vfpf_first_tlv));
1330 
1331     /* add list termination tlv */
1332     qed_add_tlv(p_hwfn, &p_iov->offset,
1333             CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1334 
1335     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1336     if (rc)
1337         goto exit;
1338 
1339     if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1340         rc = -EINVAL;
1341         goto exit;
1342     }
1343 
1344 exit:
1345     qed_vf_pf_req_end(p_hwfn, rc);
1346 
1347     return rc;
1348 }
1349 
1350 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1351                u16 *p_coal, struct qed_queue_cid *p_cid)
1352 {
1353     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1354     struct pfvf_read_coal_resp_tlv *resp;
1355     struct vfpf_read_coal_req_tlv *req;
1356     int rc;
1357 
1358     /* clear mailbox and prep header tlv */
1359     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1360     req->qid = p_cid->rel.queue_id;
1361     req->is_rx = p_cid->b_is_rx ? 1 : 0;
1362 
1363     qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1364             sizeof(struct channel_list_end_tlv));
1365     resp = &p_iov->pf2vf_reply->read_coal_resp;
1366 
1367     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1368     if (rc)
1369         goto exit;
1370 
1371     if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1372         goto exit;
1373 
1374     *p_coal = resp->coal;
1375 exit:
1376     qed_vf_pf_req_end(p_hwfn, rc);
1377 
1378     return rc;
1379 }
1380 
1381 int
1382 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1383                   const u8 *p_mac)
1384 {
1385     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1386     struct vfpf_bulletin_update_mac_tlv *p_req;
1387     struct pfvf_def_resp_tlv *p_resp;
1388     int rc;
1389 
1390     if (!p_mac)
1391         return -EINVAL;
1392 
1393     /* clear mailbox and prep header tlv */
1394     p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1395                    sizeof(*p_req));
1396     ether_addr_copy(p_req->mac, p_mac);
1397     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1398            "Requesting bulletin update for MAC[%pM]\n", p_mac);
1399 
1400     /* add list termination tlv */
1401     qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1402             sizeof(struct channel_list_end_tlv));
1403 
1404     p_resp = &p_iov->pf2vf_reply->default_resp;
1405     rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
1406     qed_vf_pf_req_end(p_hwfn, rc);
1407     return rc;
1408 }
1409 
1410 int
1411 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1412                u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1413 {
1414     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1415     struct vfpf_update_coalesce *req;
1416     struct pfvf_def_resp_tlv *resp;
1417     int rc;
1418 
1419     /* clear mailbox and prep header tlv */
1420     req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1421 
1422     req->rx_coal = rx_coal;
1423     req->tx_coal = tx_coal;
1424     req->qid = p_cid->rel.queue_id;
1425 
1426     DP_VERBOSE(p_hwfn,
1427            QED_MSG_IOV,
1428            "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1429            rx_coal, tx_coal, req->qid);
1430 
1431     /* add list termination tlv */
1432     qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1433             sizeof(struct channel_list_end_tlv));
1434 
1435     resp = &p_iov->pf2vf_reply->default_resp;
1436     rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1437     if (rc)
1438         goto exit;
1439 
1440     if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1441         goto exit;
1442 
1443     if (rx_coal)
1444         p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1445 
1446     if (tx_coal)
1447         p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1448 
1449 exit:
1450     qed_vf_pf_req_end(p_hwfn, rc);
1451     return rc;
1452 }
1453 
1454 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1455 {
1456     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1457 
1458     if (!p_iov) {
1459         DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1460         return 0;
1461     }
1462 
1463     return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1464 }
1465 
1466 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1467             u16 sb_id, struct qed_sb_info *p_sb)
1468 {
1469     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1470 
1471     if (!p_iov) {
1472         DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1473         return;
1474     }
1475 
1476     if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1477         DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1478         return;
1479     }
1480 
1481     p_iov->sbs_info[sb_id] = p_sb;
1482 }
1483 
1484 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1485 {
1486     struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1487     struct qed_bulletin_content shadow;
1488     u32 crc, crc_size;
1489 
1490     crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1491     *p_change = 0;
1492 
1493     /* Need to guarantee PF is not in the middle of writing it */
1494     memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1495 
1496     /* If version did not update, no need to do anything */
1497     if (shadow.version == p_iov->bulletin_shadow.version)
1498         return 0;
1499 
1500     /* Verify the bulletin we see is valid */
1501     crc = crc32(0, (u8 *)&shadow + crc_size,
1502             p_iov->bulletin.size - crc_size);
1503     if (crc != shadow.crc)
1504         return -EAGAIN;
1505 
1506     /* Set the shadow bulletin and process it */
1507     memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1508 
1509     DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1510            "Read a bulletin update %08x\n", shadow.version);
1511 
1512     *p_change = 1;
1513 
1514     return 0;
1515 }
1516 
1517 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1518                   struct qed_mcp_link_params *p_params,
1519                   struct qed_bulletin_content *p_bulletin)
1520 {
1521     memset(p_params, 0, sizeof(*p_params));
1522 
1523     p_params->speed.autoneg = p_bulletin->req_autoneg;
1524     p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1525     p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1526     p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1527     p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1528     p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1529     p_params->loopback_mode = p_bulletin->req_loopback;
1530 }
1531 
1532 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1533                 struct qed_mcp_link_params *params)
1534 {
1535     __qed_vf_get_link_params(p_hwfn, params,
1536                  &(p_hwfn->vf_iov_info->bulletin_shadow));
1537 }
1538 
1539 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1540                  struct qed_mcp_link_state *p_link,
1541                  struct qed_bulletin_content *p_bulletin)
1542 {
1543     memset(p_link, 0, sizeof(*p_link));
1544 
1545     p_link->link_up = p_bulletin->link_up;
1546     p_link->speed = p_bulletin->speed;
1547     p_link->full_duplex = p_bulletin->full_duplex;
1548     p_link->an = p_bulletin->autoneg;
1549     p_link->an_complete = p_bulletin->autoneg_complete;
1550     p_link->parallel_detection = p_bulletin->parallel_detection;
1551     p_link->pfc_enabled = p_bulletin->pfc_enabled;
1552     p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1553     p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1554     p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1555     p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1556     p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1557 }
1558 
1559 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1560                struct qed_mcp_link_state *link)
1561 {
1562     __qed_vf_get_link_state(p_hwfn, link,
1563                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1564 }
1565 
1566 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1567                 struct qed_mcp_link_capabilities *p_link_caps,
1568                 struct qed_bulletin_content *p_bulletin)
1569 {
1570     memset(p_link_caps, 0, sizeof(*p_link_caps));
1571     p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1572 }
1573 
1574 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1575               struct qed_mcp_link_capabilities *p_link_caps)
1576 {
1577     __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1578                    &(p_hwfn->vf_iov_info->bulletin_shadow));
1579 }
1580 
1581 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1582 {
1583     *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1584 }
1585 
1586 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1587 {
1588     *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1589 }
1590 
1591 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1592 {
1593     *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1594 }
1595 
1596 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1597 {
1598     memcpy(port_mac,
1599            p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1600 }
1601 
1602 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1603 {
1604     struct qed_vf_iov *p_vf;
1605 
1606     p_vf = p_hwfn->vf_iov_info;
1607     *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1608 }
1609 
1610 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1611 {
1612     struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1613 
1614     *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1615 }
1616 
1617 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1618 {
1619     struct qed_bulletin_content *bulletin;
1620 
1621     bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1622     if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1623         return true;
1624 
1625     /* Forbid VF from changing a MAC enforced by PF */
1626     if (ether_addr_equal(bulletin->mac, mac))
1627         return false;
1628 
1629     return false;
1630 }
1631 
1632 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1633                        u8 *dst_mac, u8 *p_is_forced)
1634 {
1635     struct qed_bulletin_content *bulletin;
1636 
1637     bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1638 
1639     if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1640         if (p_is_forced)
1641             *p_is_forced = 1;
1642     } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1643         if (p_is_forced)
1644             *p_is_forced = 0;
1645     } else {
1646         return false;
1647     }
1648 
1649     ether_addr_copy(dst_mac, bulletin->mac);
1650 
1651     return true;
1652 }
1653 
1654 static void
1655 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1656                   u16 *p_vxlan_port, u16 *p_geneve_port)
1657 {
1658     struct qed_bulletin_content *p_bulletin;
1659 
1660     p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1661 
1662     *p_vxlan_port = p_bulletin->vxlan_udp_port;
1663     *p_geneve_port = p_bulletin->geneve_udp_port;
1664 }
1665 
1666 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1667                u16 *fw_major, u16 *fw_minor,
1668                u16 *fw_rev, u16 *fw_eng)
1669 {
1670     struct pf_vf_pfdev_info *info;
1671 
1672     info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1673 
1674     *fw_major = info->fw_major;
1675     *fw_minor = info->fw_minor;
1676     *fw_rev = info->fw_rev;
1677     *fw_eng = info->fw_eng;
1678 }
1679 
1680 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1681 {
1682     struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1683     u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1684     void *cookie = hwfn->cdev->ops_cookie;
1685     u16 vxlan_port, geneve_port;
1686 
1687     qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1688     is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1689                               &is_mac_forced);
1690     if (is_mac_exist && cookie)
1691         ops->force_mac(cookie, mac, !!is_mac_forced);
1692 
1693     ops->ports_update(cookie, vxlan_port, geneve_port);
1694 
1695     /* Always update link configuration according to bulletin */
1696     qed_link_update(hwfn, NULL);
1697 }
1698 
1699 void qed_iov_vf_task(struct work_struct *work)
1700 {
1701     struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1702                          iov_task.work);
1703     u8 change = 0;
1704 
1705     if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1706         return;
1707 
1708     /* Handle bulletin board changes */
1709     qed_vf_read_bulletin(hwfn, &change);
1710     if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1711                    &hwfn->iov_task_flags))
1712         change = 1;
1713     if (change)
1714         qed_handle_bulletin_change(hwfn);
1715 
1716     /* As VF is polling bulletin board, need to constantly re-schedule */
1717     queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1718 }
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