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1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32
33 #include <linux/crc32.h>
34 #include <linux/etherdevice.h>
35 #include "qed.h"
36 #include "qed_sriov.h"
37 #include "qed_vf.h"
38
39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
40 {
41         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
42         void *p_tlv;
43
44         /* This lock is released when we receive PF's response
45          * in qed_send_msg2pf().
46          * So, qed_vf_pf_prep() and qed_send_msg2pf()
47          * must come in sequence.
48          */
49         mutex_lock(&(p_iov->mutex));
50
51         DP_VERBOSE(p_hwfn,
52                    QED_MSG_IOV,
53                    "preparing to send 0x%04x tlv over vf pf channel\n",
54                    type);
55
56         /* Reset Requst offset */
57         p_iov->offset = (u8 *)p_iov->vf2pf_request;
58
59         /* Clear mailbox - both request and reply */
60         memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
61         memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
62
63         /* Init type and length */
64         p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
65
66         /* Init first tlv header */
67         ((struct vfpf_first_tlv *)p_tlv)->reply_address =
68             (u64)p_iov->pf2vf_reply_phys;
69
70         return p_tlv;
71 }
72
73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
74 {
75         union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
76
77         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
78                    "VF request status = 0x%x, PF reply status = 0x%x\n",
79                    req_status, resp->default_resp.hdr.status);
80
81         mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
82 }
83
84 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
85 {
86         union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
87         struct ustorm_trigger_vf_zone trigger;
88         struct ustorm_vf_zone *zone_data;
89         int rc = 0, time = 100;
90
91         zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
92
93         /* output tlvs list */
94         qed_dp_tlv_list(p_hwfn, p_req);
95
96         /* need to add the END TLV to the message size */
97         resp_size += sizeof(struct channel_list_end_tlv);
98
99         /* Send TLVs over HW channel */
100         memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
101         trigger.vf_pf_msg_valid = 1;
102
103         DP_VERBOSE(p_hwfn,
104                    QED_MSG_IOV,
105                    "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
106                    GET_FIELD(p_hwfn->hw_info.concrete_fid,
107                              PXP_CONCRETE_FID_PFID),
108                    upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
109                    lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
110                    &zone_data->non_trigger.vf_pf_msg_addr,
111                    *((u32 *)&trigger), &zone_data->trigger);
112
113         REG_WR(p_hwfn,
114                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
115                lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
116
117         REG_WR(p_hwfn,
118                (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
119                upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
120
121         /* The message data must be written first, to prevent trigger before
122          * data is written.
123          */
124         wmb();
125
126         REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
127
128         /* When PF would be done with the response, it would write back to the
129          * `done' address. Poll until then.
130          */
131         while ((!*done) && time) {
132                 msleep(25);
133                 time--;
134         }
135
136         if (!*done) {
137                 DP_NOTICE(p_hwfn,
138                           "VF <-- PF Timeout [Type %d]\n",
139                           p_req->first_tlv.tl.type);
140                 rc = -EBUSY;
141         } else {
142                 if ((*done != PFVF_STATUS_SUCCESS) &&
143                     (*done != PFVF_STATUS_NO_RESOURCE))
144                         DP_NOTICE(p_hwfn,
145                                   "PF response: %d [Type %d]\n",
146                                   *done, p_req->first_tlv.tl.type);
147                 else
148                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
149                                    "PF response: %d [Type %d]\n",
150                                    *done, p_req->first_tlv.tl.type);
151         }
152
153         return rc;
154 }
155
156 #define VF_ACQUIRE_THRESH 3
157 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
158                                           struct vf_pf_resc_request *p_req,
159                                           struct pf_vf_resc *p_resp)
160 {
161         DP_VERBOSE(p_hwfn,
162                    QED_MSG_IOV,
163                    "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]. Try PF recommended amount\n",
164                    p_req->num_rxqs,
165                    p_resp->num_rxqs,
166                    p_req->num_rxqs,
167                    p_resp->num_txqs,
168                    p_req->num_sbs,
169                    p_resp->num_sbs,
170                    p_req->num_mac_filters,
171                    p_resp->num_mac_filters,
172                    p_req->num_vlan_filters,
173                    p_resp->num_vlan_filters,
174                    p_req->num_mc_filters, p_resp->num_mc_filters);
175
176         /* humble our request */
177         p_req->num_txqs = p_resp->num_txqs;
178         p_req->num_rxqs = p_resp->num_rxqs;
179         p_req->num_sbs = p_resp->num_sbs;
180         p_req->num_mac_filters = p_resp->num_mac_filters;
181         p_req->num_vlan_filters = p_resp->num_vlan_filters;
182         p_req->num_mc_filters = p_resp->num_mc_filters;
183 }
184
185 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
186 {
187         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
188         struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
189         struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
190         struct vf_pf_resc_request *p_resc;
191         bool resources_acquired = false;
192         struct vfpf_acquire_tlv *req;
193         int rc = 0, attempts = 0;
194
195         /* clear mailbox and prep first tlv */
196         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
197         p_resc = &req->resc_request;
198
199         /* starting filling the request */
200         req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
201
202         p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
203         p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
204         p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
205         p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
206         p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
207
208         req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
209         req->vfdev_info.fw_major = FW_MAJOR_VERSION;
210         req->vfdev_info.fw_minor = FW_MINOR_VERSION;
211         req->vfdev_info.fw_revision = FW_REVISION_VERSION;
212         req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
213         req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
214         req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
215
216         /* Fill capability field with any non-deprecated config we support */
217         req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
218
219         /* pf 2 vf bulletin board address */
220         req->bulletin_addr = p_iov->bulletin.phys;
221         req->bulletin_size = p_iov->bulletin.size;
222
223         /* add list termination tlv */
224         qed_add_tlv(p_hwfn, &p_iov->offset,
225                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
226
227         while (!resources_acquired) {
228                 DP_VERBOSE(p_hwfn,
229                            QED_MSG_IOV, "attempting to acquire resources\n");
230
231                 /* Clear response buffer, as this might be a re-send */
232                 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
233
234                 /* send acquire request */
235                 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
236                 if (rc)
237                         goto exit;
238
239                 /* copy acquire response from buffer to p_hwfn */
240                 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
241
242                 attempts++;
243
244                 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
245                         /* PF agrees to allocate our resources */
246                         if (!(resp->pfdev_info.capabilities &
247                               PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
248                                 /* It's possible legacy PF mistakenly accepted;
249                                  * but we don't care - simply mark it as
250                                  * legacy and continue.
251                                  */
252                                 req->vfdev_info.capabilities |=
253                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI;
254                         }
255                         DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
256                         resources_acquired = true;
257                 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
258                            attempts < VF_ACQUIRE_THRESH) {
259                         qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
260                                                       &resp->resc);
261                 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
262                         if (pfdev_info->major_fp_hsi &&
263                             (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
264                                 DP_NOTICE(p_hwfn,
265                                           "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
266                                           pfdev_info->major_fp_hsi,
267                                           pfdev_info->minor_fp_hsi,
268                                           ETH_HSI_VER_MAJOR,
269                                           ETH_HSI_VER_MINOR,
270                                           pfdev_info->major_fp_hsi);
271                                 rc = -EINVAL;
272                                 goto exit;
273                         }
274
275                         if (!pfdev_info->major_fp_hsi) {
276                                 if (req->vfdev_info.capabilities &
277                                     VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
278                                         DP_NOTICE(p_hwfn,
279                                                   "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
280                                         rc = -EINVAL;
281                                         goto exit;
282                                 } else {
283                                         DP_INFO(p_hwfn,
284                                                 "PF is old - try re-acquire to see if it supports FW-version override\n");
285                                         req->vfdev_info.capabilities |=
286                                             VFPF_ACQUIRE_CAP_PRE_FP_HSI;
287                                         continue;
288                                 }
289                         }
290
291                         /* If PF/VF are using same Major, PF must have had
292                          * it's reasons. Simply fail.
293                          */
294                         DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
295                         rc = -EINVAL;
296                         goto exit;
297                 } else {
298                         DP_ERR(p_hwfn,
299                                "PF returned error %d to VF acquisition request\n",
300                                resp->hdr.status);
301                         rc = -EAGAIN;
302                         goto exit;
303                 }
304         }
305
306         /* Mark the PF as legacy, if needed */
307         if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
308                 p_iov->b_pre_fp_hsi = true;
309
310         /* Update bulletin board size with response from PF */
311         p_iov->bulletin.size = resp->bulletin_size;
312
313         /* get HW info */
314         p_hwfn->cdev->type = resp->pfdev_info.dev_type;
315         p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
316
317         p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
318
319         /* Learn of the possibility of CMT */
320         if (IS_LEAD_HWFN(p_hwfn)) {
321                 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
322                         DP_NOTICE(p_hwfn, "100g VF\n");
323                         p_hwfn->cdev->num_hwfns = 2;
324                 }
325         }
326
327         if (!p_iov->b_pre_fp_hsi &&
328             ETH_HSI_VER_MINOR &&
329             (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
330                 DP_INFO(p_hwfn,
331                         "PF is using older fastpath HSI; %02x.%02x is configured\n",
332                         ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
333         }
334
335 exit:
336         qed_vf_pf_req_end(p_hwfn, rc);
337
338         return rc;
339 }
340
341 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
342 {
343         struct qed_vf_iov *p_iov;
344         u32 reg;
345
346         /* Set number of hwfns - might be overriden once leading hwfn learns
347          * actual configuration from PF.
348          */
349         if (IS_LEAD_HWFN(p_hwfn))
350                 p_hwfn->cdev->num_hwfns = 1;
351
352         /* Set the doorbell bar. Assumption: regview is set */
353         p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
354                                           PXP_VF_BAR0_START_DQ;
355
356         reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
357         p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
358
359         reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
360         p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
361
362         /* Allocate vf sriov info */
363         p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
364         if (!p_iov)
365                 return -ENOMEM;
366
367         /* Allocate vf2pf msg */
368         p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
369                                                   sizeof(union vfpf_tlvs),
370                                                   &p_iov->vf2pf_request_phys,
371                                                   GFP_KERNEL);
372         if (!p_iov->vf2pf_request)
373                 goto free_p_iov;
374
375         p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
376                                                 sizeof(union pfvf_tlvs),
377                                                 &p_iov->pf2vf_reply_phys,
378                                                 GFP_KERNEL);
379         if (!p_iov->pf2vf_reply)
380                 goto free_vf2pf_request;
381
382         DP_VERBOSE(p_hwfn,
383                    QED_MSG_IOV,
384                    "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
385                    p_iov->vf2pf_request,
386                    (u64) p_iov->vf2pf_request_phys,
387                    p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
388
389         /* Allocate Bulletin board */
390         p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
391         p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
392                                                     p_iov->bulletin.size,
393                                                     &p_iov->bulletin.phys,
394                                                     GFP_KERNEL);
395         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
396                    "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
397                    p_iov->bulletin.p_virt,
398                    (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
399
400         mutex_init(&p_iov->mutex);
401
402         p_hwfn->vf_iov_info = p_iov;
403
404         p_hwfn->hw_info.personality = QED_PCI_ETH;
405
406         return qed_vf_pf_acquire(p_hwfn);
407
408 free_vf2pf_request:
409         dma_free_coherent(&p_hwfn->cdev->pdev->dev,
410                           sizeof(union vfpf_tlvs),
411                           p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
412 free_p_iov:
413         kfree(p_iov);
414
415         return -ENOMEM;
416 }
417 #define TSTORM_QZONE_START   PXP_VF_BAR0_START_SDM_ZONE_A
418 #define MSTORM_QZONE_START(dev)   (TSTORM_QZONE_START + \
419                                    (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
420
421 static void
422 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
423                            struct qed_tunn_update_type *p_src,
424                            enum qed_tunn_clss mask, u8 *p_cls)
425 {
426         if (p_src->b_update_mode) {
427                 p_req->tun_mode_update_mask |= BIT(mask);
428
429                 if (p_src->b_mode_enabled)
430                         p_req->tunn_mode |= BIT(mask);
431         }
432
433         *p_cls = p_src->tun_cls;
434 }
435
436 static void
437 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
438                          struct qed_tunn_update_type *p_src,
439                          enum qed_tunn_clss mask,
440                          u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
441                          u8 *p_update_port, u16 *p_udp_port)
442 {
443         if (p_port->b_update_port) {
444                 *p_update_port = 1;
445                 *p_udp_port = p_port->port;
446         }
447
448         __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
449 }
450
451 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
452 {
453         if (p_tun->vxlan.b_mode_enabled)
454                 p_tun->vxlan.b_update_mode = true;
455         if (p_tun->l2_geneve.b_mode_enabled)
456                 p_tun->l2_geneve.b_update_mode = true;
457         if (p_tun->ip_geneve.b_mode_enabled)
458                 p_tun->ip_geneve.b_update_mode = true;
459         if (p_tun->l2_gre.b_mode_enabled)
460                 p_tun->l2_gre.b_update_mode = true;
461         if (p_tun->ip_gre.b_mode_enabled)
462                 p_tun->ip_gre.b_update_mode = true;
463
464         p_tun->b_update_rx_cls = true;
465         p_tun->b_update_tx_cls = true;
466 }
467
468 static void
469 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
470                            u16 feature_mask, u8 tunn_mode,
471                            u8 tunn_cls, enum qed_tunn_mode val)
472 {
473         if (feature_mask & BIT(val)) {
474                 p_tun->b_mode_enabled = tunn_mode;
475                 p_tun->tun_cls = tunn_cls;
476         } else {
477                 p_tun->b_mode_enabled = false;
478         }
479 }
480
481 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
482                                      struct qed_tunnel_info *p_tun,
483                                      struct pfvf_update_tunn_param_tlv *p_resp)
484 {
485         /* Update mode and classes provided by PF */
486         u16 feat_mask = p_resp->tunn_feature_mask;
487
488         __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
489                                    p_resp->vxlan_mode, p_resp->vxlan_clss,
490                                    QED_MODE_VXLAN_TUNN);
491         __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
492                                    p_resp->l2geneve_mode,
493                                    p_resp->l2geneve_clss,
494                                    QED_MODE_L2GENEVE_TUNN);
495         __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
496                                    p_resp->ipgeneve_mode,
497                                    p_resp->ipgeneve_clss,
498                                    QED_MODE_IPGENEVE_TUNN);
499         __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
500                                    p_resp->l2gre_mode, p_resp->l2gre_clss,
501                                    QED_MODE_L2GRE_TUNN);
502         __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
503                                    p_resp->ipgre_mode, p_resp->ipgre_clss,
504                                    QED_MODE_IPGRE_TUNN);
505         p_tun->geneve_port.port = p_resp->geneve_udp_port;
506         p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
507
508         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
509                    "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
510                    p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
511                    p_tun->ip_geneve.b_mode_enabled,
512                    p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
513 }
514
515 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
516                                   struct qed_tunnel_info *p_src)
517 {
518         struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
519         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
520         struct pfvf_update_tunn_param_tlv *p_resp;
521         struct vfpf_update_tunn_param_tlv *p_req;
522         int rc;
523
524         p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
525                                sizeof(*p_req));
526
527         if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
528                 p_req->update_tun_cls = 1;
529
530         qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
531                                  &p_req->vxlan_clss, &p_src->vxlan_port,
532                                  &p_req->update_vxlan_port,
533                                  &p_req->vxlan_port);
534         qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
535                                  QED_MODE_L2GENEVE_TUNN,
536                                  &p_req->l2geneve_clss, &p_src->geneve_port,
537                                  &p_req->update_geneve_port,
538                                  &p_req->geneve_port);
539         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
540                                    QED_MODE_IPGENEVE_TUNN,
541                                    &p_req->ipgeneve_clss);
542         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
543                                    QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
544         __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
545                                    QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
546
547         /* add list termination tlv */
548         qed_add_tlv(p_hwfn, &p_iov->offset,
549                     CHANNEL_TLV_LIST_END,
550                     sizeof(struct channel_list_end_tlv));
551
552         p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
553         rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
554
555         if (rc)
556                 goto exit;
557
558         if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
559                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
560                            "Failed to update tunnel parameters\n");
561                 rc = -EINVAL;
562         }
563
564         qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
565 exit:
566         qed_vf_pf_req_end(p_hwfn, rc);
567         return rc;
568 }
569
570 int
571 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
572                     struct qed_queue_cid *p_cid,
573                     u16 bd_max_bytes,
574                     dma_addr_t bd_chain_phys_addr,
575                     dma_addr_t cqe_pbl_addr,
576                     u16 cqe_pbl_size, void __iomem **pp_prod)
577 {
578         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
579         struct pfvf_start_queue_resp_tlv *resp;
580         struct vfpf_start_rxq_tlv *req;
581         u8 rx_qid = p_cid->rel.queue_id;
582         int rc;
583
584         /* clear mailbox and prep first tlv */
585         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
586
587         req->rx_qid = rx_qid;
588         req->cqe_pbl_addr = cqe_pbl_addr;
589         req->cqe_pbl_size = cqe_pbl_size;
590         req->rxq_addr = bd_chain_phys_addr;
591         req->hw_sb = p_cid->rel.sb;
592         req->sb_index = p_cid->rel.sb_idx;
593         req->bd_max_bytes = bd_max_bytes;
594         req->stat_id = -1;
595
596         /* If PF is legacy, we'll need to calculate producers ourselves
597          * as well as clean them.
598          */
599         if (p_iov->b_pre_fp_hsi) {
600                 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
601                 u32 init_prod_val = 0;
602
603                 *pp_prod = (u8 __iomem *)
604                     p_hwfn->regview +
605                     MSTORM_QZONE_START(p_hwfn->cdev) +
606                     hw_qid * MSTORM_QZONE_SIZE;
607
608                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
609                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
610                                   (u32 *)(&init_prod_val));
611         }
612         /* add list termination tlv */
613         qed_add_tlv(p_hwfn, &p_iov->offset,
614                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
615
616         resp = &p_iov->pf2vf_reply->queue_start;
617         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
618         if (rc)
619                 goto exit;
620
621         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
622                 rc = -EINVAL;
623                 goto exit;
624         }
625
626         /* Learn the address of the producer from the response */
627         if (!p_iov->b_pre_fp_hsi) {
628                 u32 init_prod_val = 0;
629
630                 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
631                 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
632                            "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
633                            rx_qid, *pp_prod, resp->offset);
634
635                 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
636                 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
637                                   (u32 *)&init_prod_val);
638         }
639 exit:
640         qed_vf_pf_req_end(p_hwfn, rc);
641
642         return rc;
643 }
644
645 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
646                        struct qed_queue_cid *p_cid, bool cqe_completion)
647 {
648         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
649         struct vfpf_stop_rxqs_tlv *req;
650         struct pfvf_def_resp_tlv *resp;
651         int rc;
652
653         /* clear mailbox and prep first tlv */
654         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
655
656         req->rx_qid = p_cid->rel.queue_id;
657         req->num_rxqs = 1;
658         req->cqe_completion = cqe_completion;
659
660         /* add list termination tlv */
661         qed_add_tlv(p_hwfn, &p_iov->offset,
662                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
663
664         resp = &p_iov->pf2vf_reply->default_resp;
665         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
666         if (rc)
667                 goto exit;
668
669         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
670                 rc = -EINVAL;
671                 goto exit;
672         }
673
674 exit:
675         qed_vf_pf_req_end(p_hwfn, rc);
676
677         return rc;
678 }
679
680 int
681 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
682                     struct qed_queue_cid *p_cid,
683                     dma_addr_t pbl_addr,
684                     u16 pbl_size, void __iomem **pp_doorbell)
685 {
686         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
687         struct pfvf_start_queue_resp_tlv *resp;
688         struct vfpf_start_txq_tlv *req;
689         u16 qid = p_cid->rel.queue_id;
690         int rc;
691
692         /* clear mailbox and prep first tlv */
693         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
694
695         req->tx_qid = qid;
696
697         /* Tx */
698         req->pbl_addr = pbl_addr;
699         req->pbl_size = pbl_size;
700         req->hw_sb = p_cid->rel.sb;
701         req->sb_index = p_cid->rel.sb_idx;
702
703         /* add list termination tlv */
704         qed_add_tlv(p_hwfn, &p_iov->offset,
705                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
706
707         resp = &p_iov->pf2vf_reply->queue_start;
708         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
709         if (rc)
710                 goto exit;
711
712         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
713                 rc = -EINVAL;
714                 goto exit;
715         }
716
717         /* Modern PFs provide the actual offsets, while legacy
718          * provided only the queue id.
719          */
720         if (!p_iov->b_pre_fp_hsi) {
721                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
722         } else {
723                 u8 cid = p_iov->acquire_resp.resc.cid[qid];
724
725                 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
726                                              qed_db_addr_vf(cid,
727                                                             DQ_DEMS_LEGACY);
728         }
729
730         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
731                    "Txq[0x%02x]: doorbell at %p [offset 0x%08x]\n",
732                    qid, *pp_doorbell, resp->offset);
733 exit:
734         qed_vf_pf_req_end(p_hwfn, rc);
735
736         return rc;
737 }
738
739 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
740 {
741         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
742         struct vfpf_stop_txqs_tlv *req;
743         struct pfvf_def_resp_tlv *resp;
744         int rc;
745
746         /* clear mailbox and prep first tlv */
747         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
748
749         req->tx_qid = p_cid->rel.queue_id;
750         req->num_txqs = 1;
751
752         /* add list termination tlv */
753         qed_add_tlv(p_hwfn, &p_iov->offset,
754                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
755
756         resp = &p_iov->pf2vf_reply->default_resp;
757         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
758         if (rc)
759                 goto exit;
760
761         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
762                 rc = -EINVAL;
763                 goto exit;
764         }
765
766 exit:
767         qed_vf_pf_req_end(p_hwfn, rc);
768
769         return rc;
770 }
771
772 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
773                           u8 vport_id,
774                           u16 mtu,
775                           u8 inner_vlan_removal,
776                           enum qed_tpa_mode tpa_mode,
777                           u8 max_buffers_per_cqe, u8 only_untagged)
778 {
779         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
780         struct vfpf_vport_start_tlv *req;
781         struct pfvf_def_resp_tlv *resp;
782         int rc, i;
783
784         /* clear mailbox and prep first tlv */
785         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
786
787         req->mtu = mtu;
788         req->vport_id = vport_id;
789         req->inner_vlan_removal = inner_vlan_removal;
790         req->tpa_mode = tpa_mode;
791         req->max_buffers_per_cqe = max_buffers_per_cqe;
792         req->only_untagged = only_untagged;
793
794         /* status blocks */
795         for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
796                 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
797
798                 if (p_sb)
799                         req->sb_addr[i] = p_sb->sb_phys;
800         }
801
802         /* add list termination tlv */
803         qed_add_tlv(p_hwfn, &p_iov->offset,
804                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
805
806         resp = &p_iov->pf2vf_reply->default_resp;
807         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
808         if (rc)
809                 goto exit;
810
811         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
812                 rc = -EINVAL;
813                 goto exit;
814         }
815
816 exit:
817         qed_vf_pf_req_end(p_hwfn, rc);
818
819         return rc;
820 }
821
822 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
823 {
824         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
825         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
826         int rc;
827
828         /* clear mailbox and prep first tlv */
829         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
830                        sizeof(struct vfpf_first_tlv));
831
832         /* add list termination tlv */
833         qed_add_tlv(p_hwfn, &p_iov->offset,
834                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
835
836         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
837         if (rc)
838                 goto exit;
839
840         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
841                 rc = -EINVAL;
842                 goto exit;
843         }
844
845 exit:
846         qed_vf_pf_req_end(p_hwfn, rc);
847
848         return rc;
849 }
850
851 static bool
852 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
853                                   struct qed_sp_vport_update_params *p_data,
854                                   u16 tlv)
855 {
856         switch (tlv) {
857         case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
858                 return !!(p_data->update_vport_active_rx_flg ||
859                           p_data->update_vport_active_tx_flg);
860         case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
861                 return !!p_data->update_tx_switching_flg;
862         case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
863                 return !!p_data->update_inner_vlan_removal_flg;
864         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
865                 return !!p_data->update_accept_any_vlan_flg;
866         case CHANNEL_TLV_VPORT_UPDATE_MCAST:
867                 return !!p_data->update_approx_mcast_flg;
868         case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
869                 return !!(p_data->accept_flags.update_rx_mode_config ||
870                           p_data->accept_flags.update_tx_mode_config);
871         case CHANNEL_TLV_VPORT_UPDATE_RSS:
872                 return !!p_data->rss_params;
873         case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
874                 return !!p_data->sge_tpa_params;
875         default:
876                 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
877                         tlv);
878                 return false;
879         }
880 }
881
882 static void
883 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
884                                   struct qed_sp_vport_update_params *p_data)
885 {
886         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
887         struct pfvf_def_resp_tlv *p_resp;
888         u16 tlv;
889
890         for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
891              tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
892                 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
893                         continue;
894
895                 p_resp = (struct pfvf_def_resp_tlv *)
896                          qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
897                                                   tlv);
898                 if (p_resp && p_resp->hdr.status)
899                         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
900                                    "TLV[%d] Configuration %s\n",
901                                    tlv,
902                                    (p_resp && p_resp->hdr.status) ? "succeeded"
903                                                                   : "failed");
904         }
905 }
906
907 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
908                            struct qed_sp_vport_update_params *p_params)
909 {
910         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
911         struct vfpf_vport_update_tlv *req;
912         struct pfvf_def_resp_tlv *resp;
913         u8 update_rx, update_tx;
914         u32 resp_size = 0;
915         u16 size, tlv;
916         int rc;
917
918         resp = &p_iov->pf2vf_reply->default_resp;
919         resp_size = sizeof(*resp);
920
921         update_rx = p_params->update_vport_active_rx_flg;
922         update_tx = p_params->update_vport_active_tx_flg;
923
924         /* clear mailbox and prep header tlv */
925         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
926
927         /* Prepare extended tlvs */
928         if (update_rx || update_tx) {
929                 struct vfpf_vport_update_activate_tlv *p_act_tlv;
930
931                 size = sizeof(struct vfpf_vport_update_activate_tlv);
932                 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
933                                         CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
934                                         size);
935                 resp_size += sizeof(struct pfvf_def_resp_tlv);
936
937                 if (update_rx) {
938                         p_act_tlv->update_rx = update_rx;
939                         p_act_tlv->active_rx = p_params->vport_active_rx_flg;
940                 }
941
942                 if (update_tx) {
943                         p_act_tlv->update_tx = update_tx;
944                         p_act_tlv->active_tx = p_params->vport_active_tx_flg;
945                 }
946         }
947
948         if (p_params->update_tx_switching_flg) {
949                 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
950
951                 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
952                 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
953                 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
954                                               tlv, size);
955                 resp_size += sizeof(struct pfvf_def_resp_tlv);
956
957                 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
958         }
959
960         if (p_params->update_approx_mcast_flg) {
961                 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
962
963                 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
964                 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
965                                           CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
966                 resp_size += sizeof(struct pfvf_def_resp_tlv);
967
968                 memcpy(p_mcast_tlv->bins, p_params->bins,
969                        sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
970         }
971
972         update_rx = p_params->accept_flags.update_rx_mode_config;
973         update_tx = p_params->accept_flags.update_tx_mode_config;
974
975         if (update_rx || update_tx) {
976                 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
977
978                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
979                 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
980                 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
981                 resp_size += sizeof(struct pfvf_def_resp_tlv);
982
983                 if (update_rx) {
984                         p_accept_tlv->update_rx_mode = update_rx;
985                         p_accept_tlv->rx_accept_filter =
986                             p_params->accept_flags.rx_accept_filter;
987                 }
988
989                 if (update_tx) {
990                         p_accept_tlv->update_tx_mode = update_tx;
991                         p_accept_tlv->tx_accept_filter =
992                             p_params->accept_flags.tx_accept_filter;
993                 }
994         }
995
996         if (p_params->rss_params) {
997                 struct qed_rss_params *rss_params = p_params->rss_params;
998                 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
999                 int i, table_size;
1000
1001                 size = sizeof(struct vfpf_vport_update_rss_tlv);
1002                 p_rss_tlv = qed_add_tlv(p_hwfn,
1003                                         &p_iov->offset,
1004                                         CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1005                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1006
1007                 if (rss_params->update_rss_config)
1008                         p_rss_tlv->update_rss_flags |=
1009                             VFPF_UPDATE_RSS_CONFIG_FLAG;
1010                 if (rss_params->update_rss_capabilities)
1011                         p_rss_tlv->update_rss_flags |=
1012                             VFPF_UPDATE_RSS_CAPS_FLAG;
1013                 if (rss_params->update_rss_ind_table)
1014                         p_rss_tlv->update_rss_flags |=
1015                             VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1016                 if (rss_params->update_rss_key)
1017                         p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1018
1019                 p_rss_tlv->rss_enable = rss_params->rss_enable;
1020                 p_rss_tlv->rss_caps = rss_params->rss_caps;
1021                 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1022
1023                 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1024                                    1 << p_rss_tlv->rss_table_size_log);
1025                 for (i = 0; i < table_size; i++) {
1026                         struct qed_queue_cid *p_queue;
1027
1028                         p_queue = rss_params->rss_ind_table[i];
1029                         p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1030                 }
1031                 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1032                        sizeof(rss_params->rss_key));
1033         }
1034
1035         if (p_params->update_accept_any_vlan_flg) {
1036                 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1037
1038                 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1039                 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1040                 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1041
1042                 resp_size += sizeof(struct pfvf_def_resp_tlv);
1043                 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1044                 p_any_vlan_tlv->update_accept_any_vlan_flg =
1045                     p_params->update_accept_any_vlan_flg;
1046         }
1047
1048         /* add list termination tlv */
1049         qed_add_tlv(p_hwfn, &p_iov->offset,
1050                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1051
1052         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1053         if (rc)
1054                 goto exit;
1055
1056         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1057                 rc = -EINVAL;
1058                 goto exit;
1059         }
1060
1061         qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1062
1063 exit:
1064         qed_vf_pf_req_end(p_hwfn, rc);
1065
1066         return rc;
1067 }
1068
1069 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1070 {
1071         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1072         struct pfvf_def_resp_tlv *resp;
1073         struct vfpf_first_tlv *req;
1074         int rc;
1075
1076         /* clear mailbox and prep first tlv */
1077         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1078
1079         /* add list termination tlv */
1080         qed_add_tlv(p_hwfn, &p_iov->offset,
1081                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1082
1083         resp = &p_iov->pf2vf_reply->default_resp;
1084         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1085         if (rc)
1086                 goto exit;
1087
1088         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1089                 rc = -EAGAIN;
1090                 goto exit;
1091         }
1092
1093         p_hwfn->b_int_enabled = 0;
1094
1095 exit:
1096         qed_vf_pf_req_end(p_hwfn, rc);
1097
1098         return rc;
1099 }
1100
1101 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
1102 {
1103         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1104         struct pfvf_def_resp_tlv *resp;
1105         struct vfpf_first_tlv *req;
1106         u32 size;
1107         int rc;
1108
1109         /* clear mailbox and prep first tlv */
1110         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
1111
1112         /* add list termination tlv */
1113         qed_add_tlv(p_hwfn, &p_iov->offset,
1114                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1115
1116         resp = &p_iov->pf2vf_reply->default_resp;
1117         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1118
1119         if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
1120                 rc = -EAGAIN;
1121
1122         qed_vf_pf_req_end(p_hwfn, rc);
1123
1124         p_hwfn->b_int_enabled = 0;
1125
1126         if (p_iov->vf2pf_request)
1127                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
1128                                   sizeof(union vfpf_tlvs),
1129                                   p_iov->vf2pf_request,
1130                                   p_iov->vf2pf_request_phys);
1131         if (p_iov->pf2vf_reply)
1132                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
1133                                   sizeof(union pfvf_tlvs),
1134                                   p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
1135
1136         if (p_iov->bulletin.p_virt) {
1137                 size = sizeof(struct qed_bulletin_content);
1138                 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
1139                                   size,
1140                                   p_iov->bulletin.p_virt, p_iov->bulletin.phys);
1141         }
1142
1143         kfree(p_hwfn->vf_iov_info);
1144         p_hwfn->vf_iov_info = NULL;
1145
1146         return rc;
1147 }
1148
1149 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1150                             struct qed_filter_mcast *p_filter_cmd)
1151 {
1152         struct qed_sp_vport_update_params sp_params;
1153         int i;
1154
1155         memset(&sp_params, 0, sizeof(sp_params));
1156         sp_params.update_approx_mcast_flg = 1;
1157
1158         if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1159                 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1160                         u32 bit;
1161
1162                         bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1163                         __set_bit(bit, sp_params.bins);
1164                 }
1165         }
1166
1167         qed_vf_pf_vport_update(p_hwfn, &sp_params);
1168 }
1169
1170 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1171                            struct qed_filter_ucast *p_ucast)
1172 {
1173         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1174         struct vfpf_ucast_filter_tlv *req;
1175         struct pfvf_def_resp_tlv *resp;
1176         int rc;
1177
1178         /* clear mailbox and prep first tlv */
1179         req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1180         req->opcode = (u8) p_ucast->opcode;
1181         req->type = (u8) p_ucast->type;
1182         memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1183         req->vlan = p_ucast->vlan;
1184
1185         /* add list termination tlv */
1186         qed_add_tlv(p_hwfn, &p_iov->offset,
1187                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1188
1189         resp = &p_iov->pf2vf_reply->default_resp;
1190         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1191         if (rc)
1192                 goto exit;
1193
1194         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1195                 rc = -EAGAIN;
1196                 goto exit;
1197         }
1198
1199 exit:
1200         qed_vf_pf_req_end(p_hwfn, rc);
1201
1202         return rc;
1203 }
1204
1205 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1206 {
1207         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1208         struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1209         int rc;
1210
1211         /* clear mailbox and prep first tlv */
1212         qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1213                        sizeof(struct vfpf_first_tlv));
1214
1215         /* add list termination tlv */
1216         qed_add_tlv(p_hwfn, &p_iov->offset,
1217                     CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1218
1219         rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1220         if (rc)
1221                 goto exit;
1222
1223         if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1224                 rc = -EINVAL;
1225                 goto exit;
1226         }
1227
1228 exit:
1229         qed_vf_pf_req_end(p_hwfn, rc);
1230
1231         return rc;
1232 }
1233
1234 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1235 {
1236         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1237
1238         if (!p_iov) {
1239                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1240                 return 0;
1241         }
1242
1243         return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1244 }
1245
1246 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1247                         u16 sb_id, struct qed_sb_info *p_sb)
1248 {
1249         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1250
1251         if (!p_iov) {
1252                 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1253                 return;
1254         }
1255
1256         if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1257                 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1258                 return;
1259         }
1260
1261         p_iov->sbs_info[sb_id] = p_sb;
1262 }
1263
1264 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1265 {
1266         struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1267         struct qed_bulletin_content shadow;
1268         u32 crc, crc_size;
1269
1270         crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1271         *p_change = 0;
1272
1273         /* Need to guarantee PF is not in the middle of writing it */
1274         memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1275
1276         /* If version did not update, no need to do anything */
1277         if (shadow.version == p_iov->bulletin_shadow.version)
1278                 return 0;
1279
1280         /* Verify the bulletin we see is valid */
1281         crc = crc32(0, (u8 *)&shadow + crc_size,
1282                     p_iov->bulletin.size - crc_size);
1283         if (crc != shadow.crc)
1284                 return -EAGAIN;
1285
1286         /* Set the shadow bulletin and process it */
1287         memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1288
1289         DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1290                    "Read a bulletin update %08x\n", shadow.version);
1291
1292         *p_change = 1;
1293
1294         return 0;
1295 }
1296
1297 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1298                               struct qed_mcp_link_params *p_params,
1299                               struct qed_bulletin_content *p_bulletin)
1300 {
1301         memset(p_params, 0, sizeof(*p_params));
1302
1303         p_params->speed.autoneg = p_bulletin->req_autoneg;
1304         p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1305         p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1306         p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1307         p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1308         p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1309         p_params->loopback_mode = p_bulletin->req_loopback;
1310 }
1311
1312 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1313                             struct qed_mcp_link_params *params)
1314 {
1315         __qed_vf_get_link_params(p_hwfn, params,
1316                                  &(p_hwfn->vf_iov_info->bulletin_shadow));
1317 }
1318
1319 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1320                              struct qed_mcp_link_state *p_link,
1321                              struct qed_bulletin_content *p_bulletin)
1322 {
1323         memset(p_link, 0, sizeof(*p_link));
1324
1325         p_link->link_up = p_bulletin->link_up;
1326         p_link->speed = p_bulletin->speed;
1327         p_link->full_duplex = p_bulletin->full_duplex;
1328         p_link->an = p_bulletin->autoneg;
1329         p_link->an_complete = p_bulletin->autoneg_complete;
1330         p_link->parallel_detection = p_bulletin->parallel_detection;
1331         p_link->pfc_enabled = p_bulletin->pfc_enabled;
1332         p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1333         p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1334         p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1335         p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1336         p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1337 }
1338
1339 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1340                            struct qed_mcp_link_state *link)
1341 {
1342         __qed_vf_get_link_state(p_hwfn, link,
1343                                 &(p_hwfn->vf_iov_info->bulletin_shadow));
1344 }
1345
1346 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1347                             struct qed_mcp_link_capabilities *p_link_caps,
1348                             struct qed_bulletin_content *p_bulletin)
1349 {
1350         memset(p_link_caps, 0, sizeof(*p_link_caps));
1351         p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1352 }
1353
1354 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1355                           struct qed_mcp_link_capabilities *p_link_caps)
1356 {
1357         __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1358                                &(p_hwfn->vf_iov_info->bulletin_shadow));
1359 }
1360
1361 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1362 {
1363         *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1364 }
1365
1366 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1367 {
1368         memcpy(port_mac,
1369                p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1370 }
1371
1372 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1373 {
1374         struct qed_vf_iov *p_vf;
1375
1376         p_vf = p_hwfn->vf_iov_info;
1377         *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1378 }
1379
1380 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1381 {
1382         struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1383
1384         *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1385 }
1386
1387 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1388 {
1389         struct qed_bulletin_content *bulletin;
1390
1391         bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1392         if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1393                 return true;
1394
1395         /* Forbid VF from changing a MAC enforced by PF */
1396         if (ether_addr_equal(bulletin->mac, mac))
1397                 return false;
1398
1399         return false;
1400 }
1401
1402 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1403                                            u8 *dst_mac, u8 *p_is_forced)
1404 {
1405         struct qed_bulletin_content *bulletin;
1406
1407         bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1408
1409         if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1410                 if (p_is_forced)
1411                         *p_is_forced = 1;
1412         } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1413                 if (p_is_forced)
1414                         *p_is_forced = 0;
1415         } else {
1416                 return false;
1417         }
1418
1419         ether_addr_copy(dst_mac, bulletin->mac);
1420
1421         return true;
1422 }
1423
1424 static void
1425 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1426                               u16 *p_vxlan_port, u16 *p_geneve_port)
1427 {
1428         struct qed_bulletin_content *p_bulletin;
1429
1430         p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1431
1432         *p_vxlan_port = p_bulletin->vxlan_udp_port;
1433         *p_geneve_port = p_bulletin->geneve_udp_port;
1434 }
1435
1436 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1437                            u16 *fw_major, u16 *fw_minor,
1438                            u16 *fw_rev, u16 *fw_eng)
1439 {
1440         struct pf_vf_pfdev_info *info;
1441
1442         info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1443
1444         *fw_major = info->fw_major;
1445         *fw_minor = info->fw_minor;
1446         *fw_rev = info->fw_rev;
1447         *fw_eng = info->fw_eng;
1448 }
1449
1450 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1451 {
1452         struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1453         u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1454         void *cookie = hwfn->cdev->ops_cookie;
1455         u16 vxlan_port, geneve_port;
1456
1457         qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1458         is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1459                                                       &is_mac_forced);
1460         if (is_mac_exist && cookie)
1461                 ops->force_mac(cookie, mac, !!is_mac_forced);
1462
1463         ops->ports_update(cookie, vxlan_port, geneve_port);
1464
1465         /* Always update link configuration according to bulletin */
1466         qed_link_update(hwfn);
1467 }
1468
1469 void qed_iov_vf_task(struct work_struct *work)
1470 {
1471         struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1472                                              iov_task.work);
1473         u8 change = 0;
1474
1475         if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1476                 return;
1477
1478         /* Handle bulletin board changes */
1479         qed_vf_read_bulletin(hwfn, &change);
1480         if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1481                                &hwfn->iov_task_flags))
1482                 change = 1;
1483         if (change)
1484                 qed_handle_bulletin_change(hwfn);
1485
1486         /* As VF is polling bulletin board, need to constantly re-schedule */
1487         queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1488 }