Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
[linux-2.6-microblaze.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
2 /* QLogic qed NIC Driver
3  * Copyright (c) 2015-2017  QLogic Corporation
4  * Copyright (c) 2019-2020 Marvell International Ltd.
5  */
6
7 #include <linux/crc32.h>
8 #include <linux/etherdevice.h>
9 #include "qed.h"
10 #include "qed_sriov.h"
11 #include "qed_vf.h"
12
13 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
14 {
15         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
16         void *p_tlv;
17
18         /* This lock is released when we receive PF's response
19          * in qed_send_msg2pf().
20          * So, qed_vf_pf_prep() and qed_send_msg2pf()
21          * must come in sequence.
22          */
23         mutex_lock(&(p_iov->mutex));
24
25         DP_VERBOSE(p_hwfn,
26                    QED_MSG_IOV,
27                    "preparing to send 0x%04x tlv over vf pf channel\n",
28                    type);
29
30         /* Reset Request offset */
31         p_iov->offset = (u8 *)p_iov->vf2pf_request;
32
33         /* Clear mailbox - both request and reply */
34         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
35         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
36
37         /* Init type and length */
38         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
39
40         /* Init first tlv header */
41         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
42             (u64)p_iov->pf2vf_reply_phys;
43
44         return p_tlv;
45 }
46
47 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
48 {
49         union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
50
51         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
52                    "VF request status = 0x%x, PF reply status = 0x%x\n",
53                    req_status, resp->default_resp.hdr.status);
54
55         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
56 }
57
58 #define QED_VF_CHANNEL_USLEEP_ITERATIONS        90
59 #define QED_VF_CHANNEL_USLEEP_DELAY             100
60 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS        10
61 #define QED_VF_CHANNEL_MSLEEP_DELAY             25
62
63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
64 {
65         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
66         struct ustorm_trigger_vf_zone trigger;
67         struct ustorm_vf_zone *zone_data;
68         int iter, rc = 0;
69
70         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
71
72         /* output tlvs list */
73         qed_dp_tlv_list(p_hwfn, p_req);
74
75         /* need to add the END TLV to the message size */
76         resp_size += sizeof(struct channel_list_end_tlv);
77
78         /* Send TLVs over HW channel */
79         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
80         trigger.vf_pf_msg_valid = 1;
81
82         DP_VERBOSE(p_hwfn,
83                    QED_MSG_IOV,
84                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
85                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
86                              PXP_CONCRETE_FID_PFID),
87                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
88                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
89                    &zone_data->non_trigger.vf_pf_msg_addr,
90                    *((u32 *)&trigger), &zone_data->trigger);
91
92         REG_WR(p_hwfn,
93                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
94                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
95
96         REG_WR(p_hwfn,
97                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
98                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
99
100         /* The message data must be written first, to prevent trigger before
101          * data is written.
102          */
103         wmb();
104
105         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
106
107         /* When PF would be done with the response, it would write back to the
108          * `done' address from a coherent DMA zone. Poll until then.
109          */
110
111         iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
112         while (!*done && iter--) {
113                 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
114                 dma_rmb();
115         }
116
117         iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
118         while (!*done && iter--) {
119                 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
120                 dma_rmb();
121         }
122
123         if (!*done) {
124                 DP_NOTICE(p_hwfn,
125                           "VF <-- PF Timeout [Type %d]\n",
126                           p_req->first_tlv.tl.type);
127                 rc = -EBUSY;
128         } else {
129                 if ((*done != PFVF_STATUS_SUCCESS) &&
130                     (*done != PFVF_STATUS_NO_RESOURCE))
131                         DP_NOTICE(p_hwfn,
132                                   "PF response: %d [Type %d]\n",
133                                   *done, p_req->first_tlv.tl.type);
134                 else
135                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
136                                    "PF response: %d [Type %d]\n",
137                                    *done, p_req->first_tlv.tl.type);
138         }
139
140         return rc;
141 }
142
143 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
144                               struct qed_queue_cid *p_cid)
145 {
146         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
147         struct vfpf_qid_tlv *p_qid_tlv;
148
149         /* Only add QIDs for the queue if it was negotiated with PF */
150         if (!(p_iov->acquire_resp.pfdev_info.capabilities &
151               PFVF_ACQUIRE_CAP_QUEUE_QIDS))
152                 return;
153
154         p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
155                                 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
156         p_qid_tlv->qid = p_cid->qid_usage_idx;
157 }
158
159 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
160 {
161         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
162         struct pfvf_def_resp_tlv *resp;
163         struct vfpf_first_tlv *req;
164         u32 size;
165         int rc;
166
167         /* clear mailbox and prep first tlv */
168         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
169
170         /* add list termination tlv */
171         qed_add_tlv(p_hwfn, &p_iov->offset,
172                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
173
174         resp = &p_iov->pf2vf_reply->default_resp;
175         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
176
177         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
178                 rc = -EAGAIN;
179
180         qed_vf_pf_req_end(p_hwfn, rc);
181         if (!b_final)
182                 return rc;
183
184         p_hwfn->b_int_enabled = 0;
185
186         if (p_iov->vf2pf_request)
187                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
188                                   sizeof(union vfpf_tlvs),
189                                   p_iov->vf2pf_request,
190                                   p_iov->vf2pf_request_phys);
191         if (p_iov->pf2vf_reply)
192                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
193                                   sizeof(union pfvf_tlvs),
194                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
195
196         if (p_iov->bulletin.p_virt) {
197                 size = sizeof(struct qed_bulletin_content);
198                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
199                                   size,
200                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
201         }
202
203         kfree(p_hwfn->vf_iov_info);
204         p_hwfn->vf_iov_info = NULL;
205
206         return rc;
207 }
208
209 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
210 {
211         return _qed_vf_pf_release(p_hwfn, true);
212 }
213
214 #define VF_ACQUIRE_THRESH 3
215 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
216                                           struct vf_pf_resc_request *p_req,
217                                           struct pf_vf_resc *p_resp)
218 {
219         DP_VERBOSE(p_hwfn,
220                    QED_MSG_IOV,
221                    "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",
222                    p_req->num_rxqs,
223                    p_resp->num_rxqs,
224                    p_req->num_rxqs,
225                    p_resp->num_txqs,
226                    p_req->num_sbs,
227                    p_resp->num_sbs,
228                    p_req->num_mac_filters,
229                    p_resp->num_mac_filters,
230                    p_req->num_vlan_filters,
231                    p_resp->num_vlan_filters,
232                    p_req->num_mc_filters,
233                    p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
234
235         /* humble our request */
236         p_req->num_txqs = p_resp->num_txqs;
237         p_req->num_rxqs = p_resp->num_rxqs;
238         p_req->num_sbs = p_resp->num_sbs;
239         p_req->num_mac_filters = p_resp->num_mac_filters;
240         p_req->num_vlan_filters = p_resp->num_vlan_filters;
241         p_req->num_mc_filters = p_resp->num_mc_filters;
242         p_req->num_cids = p_resp->num_cids;
243 }
244
245 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
246 {
247         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
248         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
249         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
250         struct vf_pf_resc_request *p_resc;
251         u8 retry_cnt = VF_ACQUIRE_THRESH;
252         bool resources_acquired = false;
253         struct vfpf_acquire_tlv *req;
254         int rc = 0, attempts = 0;
255
256         /* clear mailbox and prep first tlv */
257         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
258         p_resc = &req->resc_request;
259
260         /* starting filling the request */
261         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
262
263         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
264         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
265         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
266         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
267         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
268         p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
269
270         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
271         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
272         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
273         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
274         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
275         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
276         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
277
278         /* Fill capability field with any non-deprecated config we support */
279         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
280
281         /* If we've mapped the doorbell bar, try using queue qids */
282         if (p_iov->b_doorbell_bar) {
283                 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
284                                                 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
285                 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
286         }
287
288         /* pf 2 vf bulletin board address */
289         req->bulletin_addr = p_iov->bulletin.phys;
290         req->bulletin_size = p_iov->bulletin.size;
291
292         /* add list termination tlv */
293         qed_add_tlv(p_hwfn, &p_iov->offset,
294                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
295
296         while (!resources_acquired) {
297                 DP_VERBOSE(p_hwfn,
298                            QED_MSG_IOV, "attempting to acquire resources\n");
299
300                 /* Clear response buffer, as this might be a re-send */
301                 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
302
303                 /* send acquire request */
304                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
305
306                 /* Re-try acquire in case of vf-pf hw channel timeout */
307                 if (retry_cnt && rc == -EBUSY) {
308                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
309                                    "VF retrying to acquire due to VPC timeout\n");
310                         retry_cnt--;
311                         continue;
312                 }
313
314                 if (rc)
315                         goto exit;
316
317                 /* copy acquire response from buffer to p_hwfn */
318                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
319
320                 attempts++;
321
322                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
323                         /* PF agrees to allocate our resources */
324                         if (!(resp->pfdev_info.capabilities &
325                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
326                                 /* It's possible legacy PF mistakenly accepted;
327                                  * but we don't care - simply mark it as
328                                  * legacy and continue.
329                                  */
330                                 req->vfdev_info.capabilities |=
331                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
332                         }
333                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
334                         resources_acquired = true;
335                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
336                            attempts < VF_ACQUIRE_THRESH) {
337                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
338                                                       &resp->resc);
339                 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
340                         if (pfdev_info->major_fp_hsi &&
341                             (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
342                                 DP_NOTICE(p_hwfn,
343                                           "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
344                                           pfdev_info->major_fp_hsi,
345                                           pfdev_info->minor_fp_hsi,
346                                           ETH_HSI_VER_MAJOR,
347                                           ETH_HSI_VER_MINOR,
348                                           pfdev_info->major_fp_hsi);
349                                 rc = -EINVAL;
350                                 goto exit;
351                         }
352
353                         if (!pfdev_info->major_fp_hsi) {
354                                 if (req->vfdev_info.capabilities &
355                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
356                                         DP_NOTICE(p_hwfn,
357                                                   "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
358                                         rc = -EINVAL;
359                                         goto exit;
360                                 } else {
361                                         DP_INFO(p_hwfn,
362                                                 "PF is old - try re-acquire to see if it supports FW-version override\n");
363                                         req->vfdev_info.capabilities |=
364                                             VFPF_ACQUIRE_CAP_PRE_FP_HSI;
365                                         continue;
366                                 }
367                         }
368
369                         /* If PF/VF are using same Major, PF must have had
370                          * it's reasons. Simply fail.
371                          */
372                         DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
373                         rc = -EINVAL;
374                         goto exit;
375                 } else {
376                         DP_ERR(p_hwfn,
377                                "PF returned error %d to VF acquisition request\n",
378                                resp->hdr.status);
379                         rc = -EAGAIN;
380                         goto exit;
381                 }
382         }
383
384         /* Mark the PF as legacy, if needed */
385         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
386                 p_iov->b_pre_fp_hsi = true;
387
388         /* In case PF doesn't support multi-queue Tx, update the number of
389          * CIDs to reflect the number of queues [older PFs didn't fill that
390          * field].
391          */
392         if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
393                 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
394
395         /* Update bulletin board size with response from PF */
396         p_iov->bulletin.size = resp->bulletin_size;
397
398         /* get HW info */
399         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
400         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
401
402         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
403
404         /* Learn of the possibility of CMT */
405         if (IS_LEAD_HWFN(p_hwfn)) {
406                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
407                         DP_NOTICE(p_hwfn, "100g VF\n");
408                         p_hwfn->cdev->num_hwfns = 2;
409                 }
410         }
411
412         if (!p_iov->b_pre_fp_hsi &&
413             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
414                 DP_INFO(p_hwfn,
415                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
416                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
417         }
418
419 exit:
420         qed_vf_pf_req_end(p_hwfn, rc);
421
422         return rc;
423 }
424
425 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
426 {
427         u32 bar_size;
428
429         /* Regview size is fixed */
430         if (bar_id == BAR_ID_0)
431                 return 1 << 17;
432
433         /* Doorbell is received from PF */
434         bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
435         if (bar_size)
436                 return 1 << bar_size;
437         return 0;
438 }
439
440 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
441 {
442         struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
443         struct qed_vf_iov *p_iov;
444         u32 reg;
445         int rc;
446
447         /* Set number of hwfns - might be overridden once leading hwfn learns
448          * actual configuration from PF.
449          */
450         if (IS_LEAD_HWFN(p_hwfn))
451                 p_hwfn->cdev->num_hwfns = 1;
452
453         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
454         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
455
456         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
457         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
458
459         /* Allocate vf sriov info */
460         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
461         if (!p_iov)
462                 return -ENOMEM;
463
464         /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
465          * value, but there are several incompatibily scenarios where that
466          * would be incorrect and we'd need to override it.
467          */
468         if (!p_hwfn->doorbells) {
469                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
470                                                   PXP_VF_BAR0_START_DQ;
471         } else if (p_hwfn == p_lead) {
472                 /* For leading hw-function, value is always correct, but need
473                  * to handle scenario where legacy PF would not support 100g
474                  * mapped bars later.
475                  */
476                 p_iov->b_doorbell_bar = true;
477         } else {
478                 /* here, value would be correct ONLY if the leading hwfn
479                  * received indication that mapped-bars are supported.
480                  */
481                 if (p_lead->vf_iov_info->b_doorbell_bar)
482                         p_iov->b_doorbell_bar = true;
483                 else
484                         p_hwfn->doorbells = (u8 __iomem *)
485                             p_hwfn->regview + PXP_VF_BAR0_START_DQ;
486         }
487
488         /* Allocate vf2pf msg */
489         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
490                                                   sizeof(union vfpf_tlvs),
491                                                   &p_iov->vf2pf_request_phys,
492                                                   GFP_KERNEL);
493         if (!p_iov->vf2pf_request)
494                 goto free_p_iov;
495
496         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
497                                                 sizeof(union pfvf_tlvs),
498                                                 &p_iov->pf2vf_reply_phys,
499                                                 GFP_KERNEL);
500         if (!p_iov->pf2vf_reply)
501                 goto free_vf2pf_request;
502
503         DP_VERBOSE(p_hwfn,
504                    QED_MSG_IOV,
505                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
506                    p_iov->vf2pf_request,
507                    (u64)p_iov->vf2pf_request_phys,
508                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
509
510         /* Allocate Bulletin board */
511         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
512         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
513                                                     p_iov->bulletin.size,
514                                                     &p_iov->bulletin.phys,
515                                                     GFP_KERNEL);
516         if (!p_iov->bulletin.p_virt)
517                 goto free_pf2vf_reply;
518
519         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
520                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
521                    p_iov->bulletin.p_virt,
522                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
523
524         mutex_init(&p_iov->mutex);
525
526         p_hwfn->vf_iov_info = p_iov;
527
528         p_hwfn->hw_info.personality = QED_PCI_ETH;
529
530         rc = qed_vf_pf_acquire(p_hwfn);
531
532         /* If VF is 100g using a mapped bar and PF is too old to support that,
533          * acquisition would succeed - but the VF would have no way knowing
534          * the size of the doorbell bar configured in HW and thus will not
535          * know how to split it for 2nd hw-function.
536          * In this case we re-try without the indication of the mapped
537          * doorbell.
538          */
539         if (!rc && p_iov->b_doorbell_bar &&
540             !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
541             (p_hwfn->cdev->num_hwfns > 1)) {
542                 rc = _qed_vf_pf_release(p_hwfn, false);
543                 if (rc)
544                         return rc;
545
546                 p_iov->b_doorbell_bar = false;
547                 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
548                                                   PXP_VF_BAR0_START_DQ;
549                 rc = qed_vf_pf_acquire(p_hwfn);
550         }
551
552         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
553                    "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
554                    p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
555
556         return rc;
557
558 free_pf2vf_reply:
559         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
560                           sizeof(union pfvf_tlvs),
561                           p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
562 free_vf2pf_request:
563         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
564                           sizeof(union vfpf_tlvs),
565                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
566 free_p_iov:
567         kfree(p_iov);
568
569         return -ENOMEM;
570 }
571
572 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
573 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
574                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
575
576 static void
577 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
578                            struct qed_tunn_update_type *p_src,
579                            enum qed_tunn_mode mask, u8 *p_cls)
580 {
581         if (p_src->b_update_mode) {
582                 p_req->tun_mode_update_mask |= BIT(mask);
583
584                 if (p_src->b_mode_enabled)
585                         p_req->tunn_mode |= BIT(mask);
586         }
587
588         *p_cls = p_src->tun_cls;
589 }
590
591 static void
592 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
593                          struct qed_tunn_update_type *p_src,
594                          enum qed_tunn_mode mask,
595                          u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
596                          u8 *p_update_port, u16 *p_udp_port)
597 {
598         if (p_port->b_update_port) {
599                 *p_update_port = 1;
600                 *p_udp_port = p_port->port;
601         }
602
603         __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
604 }
605
606 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
607 {
608         if (p_tun->vxlan.b_mode_enabled)
609                 p_tun->vxlan.b_update_mode = true;
610         if (p_tun->l2_geneve.b_mode_enabled)
611                 p_tun->l2_geneve.b_update_mode = true;
612         if (p_tun->ip_geneve.b_mode_enabled)
613                 p_tun->ip_geneve.b_update_mode = true;
614         if (p_tun->l2_gre.b_mode_enabled)
615                 p_tun->l2_gre.b_update_mode = true;
616         if (p_tun->ip_gre.b_mode_enabled)
617                 p_tun->ip_gre.b_update_mode = true;
618
619         p_tun->b_update_rx_cls = true;
620         p_tun->b_update_tx_cls = true;
621 }
622
623 static void
624 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
625                            u16 feature_mask, u8 tunn_mode,
626                            u8 tunn_cls, enum qed_tunn_mode val)
627 {
628         if (feature_mask & BIT(val)) {
629                 p_tun->b_mode_enabled = tunn_mode;
630                 p_tun->tun_cls = tunn_cls;
631         } else {
632                 p_tun->b_mode_enabled = false;
633         }
634 }
635
636 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
637                                      struct qed_tunnel_info *p_tun,
638                                      struct pfvf_update_tunn_param_tlv *p_resp)
639 {
640         /* Update mode and classes provided by PF */
641         u16 feat_mask = p_resp->tunn_feature_mask;
642
643         __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
644                                    p_resp->vxlan_mode, p_resp->vxlan_clss,
645                                    QED_MODE_VXLAN_TUNN);
646         __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
647                                    p_resp->l2geneve_mode,
648                                    p_resp->l2geneve_clss,
649                                    QED_MODE_L2GENEVE_TUNN);
650         __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
651                                    p_resp->ipgeneve_mode,
652                                    p_resp->ipgeneve_clss,
653                                    QED_MODE_IPGENEVE_TUNN);
654         __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
655                                    p_resp->l2gre_mode, p_resp->l2gre_clss,
656                                    QED_MODE_L2GRE_TUNN);
657         __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
658                                    p_resp->ipgre_mode, p_resp->ipgre_clss,
659                                    QED_MODE_IPGRE_TUNN);
660         p_tun->geneve_port.port = p_resp->geneve_udp_port;
661         p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
662
663         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
664                    "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
665                    p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
666                    p_tun->ip_geneve.b_mode_enabled,
667                    p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
668 }
669
670 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
671                                   struct qed_tunnel_info *p_src)
672 {
673         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
674         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
675         struct pfvf_update_tunn_param_tlv *p_resp;
676         struct vfpf_update_tunn_param_tlv *p_req;
677         int rc;
678
679         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
680                                sizeof(*p_req));
681
682         if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
683                 p_req->update_tun_cls = 1;
684
685         qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
686                                  &p_req->vxlan_clss, &p_src->vxlan_port,
687                                  &p_req->update_vxlan_port,
688                                  &p_req->vxlan_port);
689         qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
690                                  QED_MODE_L2GENEVE_TUNN,
691                                  &p_req->l2geneve_clss, &p_src->geneve_port,
692                                  &p_req->update_geneve_port,
693                                  &p_req->geneve_port);
694         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
695                                    QED_MODE_IPGENEVE_TUNN,
696                                    &p_req->ipgeneve_clss);
697         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
698                                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
699         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
700                                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
701
702         /* add list termination tlv */
703         qed_add_tlv(p_hwfn, &p_iov->offset,
704                     CHANNEL_TLV_LIST_END,
705                     sizeof(struct channel_list_end_tlv));
706
707         p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
708         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
709
710         if (rc)
711                 goto exit;
712
713         if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
714                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
715                            "Failed to update tunnel parameters\n");
716                 rc = -EINVAL;
717         }
718
719         qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
720 exit:
721         qed_vf_pf_req_end(p_hwfn, rc);
722         return rc;
723 }
724
725 int
726 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
727                     struct qed_queue_cid *p_cid,
728                     u16 bd_max_bytes,
729                     dma_addr_t bd_chain_phys_addr,
730                     dma_addr_t cqe_pbl_addr,
731                     u16 cqe_pbl_size, void __iomem **pp_prod)
732 {
733         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
734         struct pfvf_start_queue_resp_tlv *resp;
735         struct vfpf_start_rxq_tlv *req;
736         u8 rx_qid = p_cid->rel.queue_id;
737         int rc;
738
739         /* clear mailbox and prep first tlv */
740         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
741
742         req->rx_qid = rx_qid;
743         req->cqe_pbl_addr = cqe_pbl_addr;
744         req->cqe_pbl_size = cqe_pbl_size;
745         req->rxq_addr = bd_chain_phys_addr;
746         req->hw_sb = p_cid->sb_igu_id;
747         req->sb_index = p_cid->sb_idx;
748         req->bd_max_bytes = bd_max_bytes;
749         req->stat_id = -1;
750
751         /* If PF is legacy, we'll need to calculate producers ourselves
752          * as well as clean them.
753          */
754         if (p_iov->b_pre_fp_hsi) {
755                 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
756                 u32 init_prod_val = 0;
757
758                 *pp_prod = (u8 __iomem *)
759                     p_hwfn->regview +
760                     MSTORM_QZONE_START(p_hwfn->cdev) +
761                     hw_qid * MSTORM_QZONE_SIZE;
762
763                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
764                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
765                                   (u32 *)(&init_prod_val));
766         }
767
768         qed_vf_pf_add_qid(p_hwfn, p_cid);
769
770         /* add list termination tlv */
771         qed_add_tlv(p_hwfn, &p_iov->offset,
772                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
773
774         resp = &p_iov->pf2vf_reply->queue_start;
775         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
776         if (rc)
777                 goto exit;
778
779         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
780                 rc = -EINVAL;
781                 goto exit;
782         }
783
784         /* Learn the address of the producer from the response */
785         if (!p_iov->b_pre_fp_hsi) {
786                 u32 init_prod_val = 0;
787
788                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
789                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
790                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
791                            rx_qid, *pp_prod, resp->offset);
792
793                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
794                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
795                                   (u32 *)&init_prod_val);
796         }
797 exit:
798         qed_vf_pf_req_end(p_hwfn, rc);
799
800         return rc;
801 }
802
803 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
804                        struct qed_queue_cid *p_cid, bool cqe_completion)
805 {
806         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
807         struct vfpf_stop_rxqs_tlv *req;
808         struct pfvf_def_resp_tlv *resp;
809         int rc;
810
811         /* clear mailbox and prep first tlv */
812         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
813
814         req->rx_qid = p_cid->rel.queue_id;
815         req->num_rxqs = 1;
816         req->cqe_completion = cqe_completion;
817
818         qed_vf_pf_add_qid(p_hwfn, p_cid);
819
820         /* add list termination tlv */
821         qed_add_tlv(p_hwfn, &p_iov->offset,
822                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
823
824         resp = &p_iov->pf2vf_reply->default_resp;
825         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
826         if (rc)
827                 goto exit;
828
829         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
830                 rc = -EINVAL;
831                 goto exit;
832         }
833
834 exit:
835         qed_vf_pf_req_end(p_hwfn, rc);
836
837         return rc;
838 }
839
840 int
841 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
842                     struct qed_queue_cid *p_cid,
843                     dma_addr_t pbl_addr,
844                     u16 pbl_size, void __iomem **pp_doorbell)
845 {
846         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
847         struct pfvf_start_queue_resp_tlv *resp;
848         struct vfpf_start_txq_tlv *req;
849         u16 qid = p_cid->rel.queue_id;
850         int rc;
851
852         /* clear mailbox and prep first tlv */
853         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
854
855         req->tx_qid = qid;
856
857         /* Tx */
858         req->pbl_addr = pbl_addr;
859         req->pbl_size = pbl_size;
860         req->hw_sb = p_cid->sb_igu_id;
861         req->sb_index = p_cid->sb_idx;
862
863         qed_vf_pf_add_qid(p_hwfn, p_cid);
864
865         /* add list termination tlv */
866         qed_add_tlv(p_hwfn, &p_iov->offset,
867                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
868
869         resp = &p_iov->pf2vf_reply->queue_start;
870         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
871         if (rc)
872                 goto exit;
873
874         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
875                 rc = -EINVAL;
876                 goto exit;
877         }
878
879         /* Modern PFs provide the actual offsets, while legacy
880          * provided only the queue id.
881          */
882         if (!p_iov->b_pre_fp_hsi) {
883                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
884         } else {
885                 u8 cid = p_iov->acquire_resp.resc.cid[qid];
886
887                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
888                                              qed_db_addr_vf(cid,
889                                                             DQ_DEMS_LEGACY);
890         }
891
892         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
893                    "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
894                    qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
895 exit:
896         qed_vf_pf_req_end(p_hwfn, rc);
897
898         return rc;
899 }
900
901 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
902 {
903         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
904         struct vfpf_stop_txqs_tlv *req;
905         struct pfvf_def_resp_tlv *resp;
906         int rc;
907
908         /* clear mailbox and prep first tlv */
909         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
910
911         req->tx_qid = p_cid->rel.queue_id;
912         req->num_txqs = 1;
913
914         qed_vf_pf_add_qid(p_hwfn, p_cid);
915
916         /* add list termination tlv */
917         qed_add_tlv(p_hwfn, &p_iov->offset,
918                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
919
920         resp = &p_iov->pf2vf_reply->default_resp;
921         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
922         if (rc)
923                 goto exit;
924
925         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
926                 rc = -EINVAL;
927                 goto exit;
928         }
929
930 exit:
931         qed_vf_pf_req_end(p_hwfn, rc);
932
933         return rc;
934 }
935
936 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
937                           u8 vport_id,
938                           u16 mtu,
939                           u8 inner_vlan_removal,
940                           enum qed_tpa_mode tpa_mode,
941                           u8 max_buffers_per_cqe, u8 only_untagged)
942 {
943         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
944         struct vfpf_vport_start_tlv *req;
945         struct pfvf_def_resp_tlv *resp;
946         int rc, i;
947
948         /* clear mailbox and prep first tlv */
949         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
950
951         req->mtu = mtu;
952         req->vport_id = vport_id;
953         req->inner_vlan_removal = inner_vlan_removal;
954         req->tpa_mode = tpa_mode;
955         req->max_buffers_per_cqe = max_buffers_per_cqe;
956         req->only_untagged = only_untagged;
957
958         /* status blocks */
959         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
960                 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
961
962                 if (p_sb)
963                         req->sb_addr[i] = p_sb->sb_phys;
964         }
965
966         /* add list termination tlv */
967         qed_add_tlv(p_hwfn, &p_iov->offset,
968                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
969
970         resp = &p_iov->pf2vf_reply->default_resp;
971         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
972         if (rc)
973                 goto exit;
974
975         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
976                 rc = -EINVAL;
977                 goto exit;
978         }
979
980 exit:
981         qed_vf_pf_req_end(p_hwfn, rc);
982
983         return rc;
984 }
985
986 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
987 {
988         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
989         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
990         int rc;
991
992         /* clear mailbox and prep first tlv */
993         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
994                        sizeof(struct vfpf_first_tlv));
995
996         /* add list termination tlv */
997         qed_add_tlv(p_hwfn, &p_iov->offset,
998                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
999
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 }