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
qed_vf_pf_prep(struct qed_hwfn * p_hwfn,u16 type,u16 length)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
qed_vf_pf_req_end(struct qed_hwfn * p_hwfn,int req_status)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
qed_send_msg2pf(struct qed_hwfn * p_hwfn,u8 * done)63 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done)
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 /* Send TLVs over HW channel */
76 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
77 trigger.vf_pf_msg_valid = 1;
78
79 DP_VERBOSE(p_hwfn,
80 QED_MSG_IOV,
81 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
82 GET_FIELD(p_hwfn->hw_info.concrete_fid,
83 PXP_CONCRETE_FID_PFID),
84 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
85 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
86 &zone_data->non_trigger.vf_pf_msg_addr,
87 *((u32 *)&trigger), &zone_data->trigger);
88
89 REG_WR(p_hwfn,
90 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
91 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
92
93 REG_WR(p_hwfn,
94 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
95 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
96
97 /* The message data must be written first, to prevent trigger before
98 * data is written.
99 */
100 wmb();
101
102 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
103
104 /* When PF would be done with the response, it would write back to the
105 * `done' address from a coherent DMA zone. Poll until then.
106 */
107
108 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
109 while (!*done && iter--) {
110 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
111 dma_rmb();
112 }
113
114 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
115 while (!*done && iter--) {
116 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
117 dma_rmb();
118 }
119
120 if (!*done) {
121 DP_NOTICE(p_hwfn,
122 "VF <-- PF Timeout [Type %d]\n",
123 p_req->first_tlv.tl.type);
124 rc = -EBUSY;
125 } else {
126 if ((*done != PFVF_STATUS_SUCCESS) &&
127 (*done != PFVF_STATUS_NO_RESOURCE))
128 DP_NOTICE(p_hwfn,
129 "PF response: %d [Type %d]\n",
130 *done, p_req->first_tlv.tl.type);
131 else
132 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
133 "PF response: %d [Type %d]\n",
134 *done, p_req->first_tlv.tl.type);
135 }
136
137 return rc;
138 }
139
qed_vf_pf_add_qid(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid)140 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
141 struct qed_queue_cid *p_cid)
142 {
143 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
144 struct vfpf_qid_tlv *p_qid_tlv;
145
146 /* Only add QIDs for the queue if it was negotiated with PF */
147 if (!(p_iov->acquire_resp.pfdev_info.capabilities &
148 PFVF_ACQUIRE_CAP_QUEUE_QIDS))
149 return;
150
151 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
152 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
153 p_qid_tlv->qid = p_cid->qid_usage_idx;
154 }
155
_qed_vf_pf_release(struct qed_hwfn * p_hwfn,bool b_final)156 static int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
157 {
158 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
159 struct pfvf_def_resp_tlv *resp;
160 struct vfpf_first_tlv *req;
161 u32 size;
162 int rc;
163
164 /* clear mailbox and prep first tlv */
165 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
166
167 /* add list termination tlv */
168 qed_add_tlv(p_hwfn, &p_iov->offset,
169 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
170
171 resp = &p_iov->pf2vf_reply->default_resp;
172 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
173
174 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
175 rc = -EAGAIN;
176
177 qed_vf_pf_req_end(p_hwfn, rc);
178 if (!b_final)
179 return rc;
180
181 p_hwfn->b_int_enabled = 0;
182
183 if (p_iov->vf2pf_request)
184 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
185 sizeof(union vfpf_tlvs),
186 p_iov->vf2pf_request,
187 p_iov->vf2pf_request_phys);
188 if (p_iov->pf2vf_reply)
189 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
190 sizeof(union pfvf_tlvs),
191 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
192
193 if (p_iov->bulletin.p_virt) {
194 size = sizeof(struct qed_bulletin_content);
195 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
196 size,
197 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
198 }
199
200 kfree(p_hwfn->vf_iov_info);
201 p_hwfn->vf_iov_info = NULL;
202
203 return rc;
204 }
205
qed_vf_pf_release(struct qed_hwfn * p_hwfn)206 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
207 {
208 return _qed_vf_pf_release(p_hwfn, true);
209 }
210
211 #define VF_ACQUIRE_THRESH 3
qed_vf_pf_acquire_reduce_resc(struct qed_hwfn * p_hwfn,struct vf_pf_resc_request * p_req,struct pf_vf_resc * p_resp)212 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
213 struct vf_pf_resc_request *p_req,
214 struct pf_vf_resc *p_resp)
215 {
216 DP_VERBOSE(p_hwfn,
217 QED_MSG_IOV,
218 "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",
219 p_req->num_rxqs,
220 p_resp->num_rxqs,
221 p_req->num_rxqs,
222 p_resp->num_txqs,
223 p_req->num_sbs,
224 p_resp->num_sbs,
225 p_req->num_mac_filters,
226 p_resp->num_mac_filters,
227 p_req->num_vlan_filters,
228 p_resp->num_vlan_filters,
229 p_req->num_mc_filters,
230 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
231
232 /* humble our request */
233 p_req->num_txqs = p_resp->num_txqs;
234 p_req->num_rxqs = p_resp->num_rxqs;
235 p_req->num_sbs = p_resp->num_sbs;
236 p_req->num_mac_filters = p_resp->num_mac_filters;
237 p_req->num_vlan_filters = p_resp->num_vlan_filters;
238 p_req->num_mc_filters = p_resp->num_mc_filters;
239 p_req->num_cids = p_resp->num_cids;
240 }
241
qed_vf_pf_acquire(struct qed_hwfn * p_hwfn)242 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
243 {
244 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
245 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
246 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
247 struct vf_pf_resc_request *p_resc;
248 u8 retry_cnt = VF_ACQUIRE_THRESH;
249 bool resources_acquired = false;
250 struct vfpf_acquire_tlv *req;
251 int rc = 0, attempts = 0;
252
253 /* clear mailbox and prep first tlv */
254 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
255 p_resc = &req->resc_request;
256
257 /* starting filling the request */
258 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
259
260 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
261 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
262 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
263 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
264 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
265 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
266
267 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
268 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
269 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
270 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
271 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
272 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
273 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
274
275 /* Fill capability field with any non-deprecated config we support */
276 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
277
278 /* If we've mapped the doorbell bar, try using queue qids */
279 if (p_iov->b_doorbell_bar) {
280 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
281 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
282 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
283 }
284
285 /* pf 2 vf bulletin board address */
286 req->bulletin_addr = p_iov->bulletin.phys;
287 req->bulletin_size = p_iov->bulletin.size;
288
289 /* add list termination tlv */
290 qed_add_tlv(p_hwfn, &p_iov->offset,
291 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
292
293 while (!resources_acquired) {
294 DP_VERBOSE(p_hwfn,
295 QED_MSG_IOV, "attempting to acquire resources\n");
296
297 /* Clear response buffer, as this might be a re-send */
298 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
299
300 /* send acquire request */
301 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
302
303 /* Re-try acquire in case of vf-pf hw channel timeout */
304 if (retry_cnt && rc == -EBUSY) {
305 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
306 "VF retrying to acquire due to VPC timeout\n");
307 retry_cnt--;
308 continue;
309 }
310
311 if (rc)
312 goto exit;
313
314 /* copy acquire response from buffer to p_hwfn */
315 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
316
317 attempts++;
318
319 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
320 /* PF agrees to allocate our resources */
321 if (!(resp->pfdev_info.capabilities &
322 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
323 /* It's possible legacy PF mistakenly accepted;
324 * but we don't care - simply mark it as
325 * legacy and continue.
326 */
327 req->vfdev_info.capabilities |=
328 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
329 }
330 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
331 resources_acquired = true;
332 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
333 attempts < VF_ACQUIRE_THRESH) {
334 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
335 &resp->resc);
336 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
337 if (pfdev_info->major_fp_hsi &&
338 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
339 DP_NOTICE(p_hwfn,
340 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
341 pfdev_info->major_fp_hsi,
342 pfdev_info->minor_fp_hsi,
343 ETH_HSI_VER_MAJOR,
344 ETH_HSI_VER_MINOR,
345 pfdev_info->major_fp_hsi);
346 rc = -EINVAL;
347 goto exit;
348 }
349
350 if (!pfdev_info->major_fp_hsi) {
351 if (req->vfdev_info.capabilities &
352 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
353 DP_NOTICE(p_hwfn,
354 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
355 rc = -EINVAL;
356 goto exit;
357 } else {
358 DP_INFO(p_hwfn,
359 "PF is old - try re-acquire to see if it supports FW-version override\n");
360 req->vfdev_info.capabilities |=
361 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
362 continue;
363 }
364 }
365
366 /* If PF/VF are using same Major, PF must have had
367 * it's reasons. Simply fail.
368 */
369 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
370 rc = -EINVAL;
371 goto exit;
372 } else {
373 DP_ERR(p_hwfn,
374 "PF returned error %d to VF acquisition request\n",
375 resp->hdr.status);
376 rc = -EAGAIN;
377 goto exit;
378 }
379 }
380
381 /* Mark the PF as legacy, if needed */
382 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
383 p_iov->b_pre_fp_hsi = true;
384
385 /* In case PF doesn't support multi-queue Tx, update the number of
386 * CIDs to reflect the number of queues [older PFs didn't fill that
387 * field].
388 */
389 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
390 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
391
392 /* Update bulletin board size with response from PF */
393 p_iov->bulletin.size = resp->bulletin_size;
394
395 /* get HW info */
396 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
397 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
398
399 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
400
401 /* Learn of the possibility of CMT */
402 if (IS_LEAD_HWFN(p_hwfn)) {
403 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
404 DP_NOTICE(p_hwfn, "100g VF\n");
405 p_hwfn->cdev->num_hwfns = 2;
406 }
407 }
408
409 if (!p_iov->b_pre_fp_hsi &&
410 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
411 DP_INFO(p_hwfn,
412 "PF is using older fastpath HSI; %02x.%02x is configured\n",
413 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
414 }
415
416 exit:
417 qed_vf_pf_req_end(p_hwfn, rc);
418
419 return rc;
420 }
421
qed_vf_hw_bar_size(struct qed_hwfn * p_hwfn,enum BAR_ID bar_id)422 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
423 {
424 u32 bar_size;
425
426 /* Regview size is fixed */
427 if (bar_id == BAR_ID_0)
428 return 1 << 17;
429
430 /* Doorbell is received from PF */
431 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
432 if (bar_size)
433 return 1 << bar_size;
434 return 0;
435 }
436
qed_vf_hw_prepare(struct qed_hwfn * p_hwfn)437 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
438 {
439 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
440 struct qed_vf_iov *p_iov;
441 u32 reg;
442 int rc;
443
444 /* Set number of hwfns - might be overridden once leading hwfn learns
445 * actual configuration from PF.
446 */
447 if (IS_LEAD_HWFN(p_hwfn))
448 p_hwfn->cdev->num_hwfns = 1;
449
450 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
451 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
452
453 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
454 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
455
456 /* Allocate vf sriov info */
457 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
458 if (!p_iov)
459 return -ENOMEM;
460
461 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
462 * value, but there are several incompatibily scenarios where that
463 * would be incorrect and we'd need to override it.
464 */
465 if (!p_hwfn->doorbells) {
466 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
467 PXP_VF_BAR0_START_DQ;
468 } else if (p_hwfn == p_lead) {
469 /* For leading hw-function, value is always correct, but need
470 * to handle scenario where legacy PF would not support 100g
471 * mapped bars later.
472 */
473 p_iov->b_doorbell_bar = true;
474 } else {
475 /* here, value would be correct ONLY if the leading hwfn
476 * received indication that mapped-bars are supported.
477 */
478 if (p_lead->vf_iov_info->b_doorbell_bar)
479 p_iov->b_doorbell_bar = true;
480 else
481 p_hwfn->doorbells = (u8 __iomem *)
482 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
483 }
484
485 /* Allocate vf2pf msg */
486 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
487 sizeof(union vfpf_tlvs),
488 &p_iov->vf2pf_request_phys,
489 GFP_KERNEL);
490 if (!p_iov->vf2pf_request)
491 goto free_p_iov;
492
493 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
494 sizeof(union pfvf_tlvs),
495 &p_iov->pf2vf_reply_phys,
496 GFP_KERNEL);
497 if (!p_iov->pf2vf_reply)
498 goto free_vf2pf_request;
499
500 DP_VERBOSE(p_hwfn,
501 QED_MSG_IOV,
502 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
503 p_iov->vf2pf_request,
504 (u64)p_iov->vf2pf_request_phys,
505 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
506
507 /* Allocate Bulletin board */
508 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
509 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
510 p_iov->bulletin.size,
511 &p_iov->bulletin.phys,
512 GFP_KERNEL);
513 if (!p_iov->bulletin.p_virt)
514 goto free_pf2vf_reply;
515
516 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
517 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
518 p_iov->bulletin.p_virt,
519 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
520
521 mutex_init(&p_iov->mutex);
522
523 p_hwfn->vf_iov_info = p_iov;
524
525 p_hwfn->hw_info.personality = QED_PCI_ETH;
526
527 rc = qed_vf_pf_acquire(p_hwfn);
528
529 /* If VF is 100g using a mapped bar and PF is too old to support that,
530 * acquisition would succeed - but the VF would have no way knowing
531 * the size of the doorbell bar configured in HW and thus will not
532 * know how to split it for 2nd hw-function.
533 * In this case we re-try without the indication of the mapped
534 * doorbell.
535 */
536 if (!rc && p_iov->b_doorbell_bar &&
537 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
538 (p_hwfn->cdev->num_hwfns > 1)) {
539 rc = _qed_vf_pf_release(p_hwfn, false);
540 if (rc)
541 return rc;
542
543 p_iov->b_doorbell_bar = false;
544 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
545 PXP_VF_BAR0_START_DQ;
546 rc = qed_vf_pf_acquire(p_hwfn);
547 }
548
549 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
550 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
551 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
552
553 return rc;
554
555 free_pf2vf_reply:
556 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
557 sizeof(union pfvf_tlvs),
558 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
559 free_vf2pf_request:
560 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
561 sizeof(union vfpf_tlvs),
562 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
563 free_p_iov:
564 kfree(p_iov);
565
566 return -ENOMEM;
567 }
568
569 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
570 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
571 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
572
573 static void
__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv * p_req,struct qed_tunn_update_type * p_src,enum qed_tunn_mode mask,u8 * p_cls)574 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
575 struct qed_tunn_update_type *p_src,
576 enum qed_tunn_mode mask, u8 *p_cls)
577 {
578 if (p_src->b_update_mode) {
579 p_req->tun_mode_update_mask |= BIT(mask);
580
581 if (p_src->b_mode_enabled)
582 p_req->tunn_mode |= BIT(mask);
583 }
584
585 *p_cls = p_src->tun_cls;
586 }
587
588 static void
qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv * p_req,struct qed_tunn_update_type * p_src,enum qed_tunn_mode mask,u8 * p_cls,struct qed_tunn_update_udp_port * p_port,u8 * p_update_port,u16 * p_udp_port)589 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
590 struct qed_tunn_update_type *p_src,
591 enum qed_tunn_mode mask,
592 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
593 u8 *p_update_port, u16 *p_udp_port)
594 {
595 if (p_port->b_update_port) {
596 *p_update_port = 1;
597 *p_udp_port = p_port->port;
598 }
599
600 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
601 }
602
qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info * p_tun)603 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
604 {
605 if (p_tun->vxlan.b_mode_enabled)
606 p_tun->vxlan.b_update_mode = true;
607 if (p_tun->l2_geneve.b_mode_enabled)
608 p_tun->l2_geneve.b_update_mode = true;
609 if (p_tun->ip_geneve.b_mode_enabled)
610 p_tun->ip_geneve.b_update_mode = true;
611 if (p_tun->l2_gre.b_mode_enabled)
612 p_tun->l2_gre.b_update_mode = true;
613 if (p_tun->ip_gre.b_mode_enabled)
614 p_tun->ip_gre.b_update_mode = true;
615
616 p_tun->b_update_rx_cls = true;
617 p_tun->b_update_tx_cls = true;
618 }
619
620 static void
__qed_vf_update_tunn_param(struct qed_tunn_update_type * p_tun,u16 feature_mask,u8 tunn_mode,u8 tunn_cls,enum qed_tunn_mode val)621 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
622 u16 feature_mask, u8 tunn_mode,
623 u8 tunn_cls, enum qed_tunn_mode val)
624 {
625 if (feature_mask & BIT(val)) {
626 p_tun->b_mode_enabled = tunn_mode;
627 p_tun->tun_cls = tunn_cls;
628 } else {
629 p_tun->b_mode_enabled = false;
630 }
631 }
632
qed_vf_update_tunn_param(struct qed_hwfn * p_hwfn,struct qed_tunnel_info * p_tun,struct pfvf_update_tunn_param_tlv * p_resp)633 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
634 struct qed_tunnel_info *p_tun,
635 struct pfvf_update_tunn_param_tlv *p_resp)
636 {
637 /* Update mode and classes provided by PF */
638 u16 feat_mask = p_resp->tunn_feature_mask;
639
640 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
641 p_resp->vxlan_mode, p_resp->vxlan_clss,
642 QED_MODE_VXLAN_TUNN);
643 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
644 p_resp->l2geneve_mode,
645 p_resp->l2geneve_clss,
646 QED_MODE_L2GENEVE_TUNN);
647 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
648 p_resp->ipgeneve_mode,
649 p_resp->ipgeneve_clss,
650 QED_MODE_IPGENEVE_TUNN);
651 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
652 p_resp->l2gre_mode, p_resp->l2gre_clss,
653 QED_MODE_L2GRE_TUNN);
654 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
655 p_resp->ipgre_mode, p_resp->ipgre_clss,
656 QED_MODE_IPGRE_TUNN);
657 p_tun->geneve_port.port = p_resp->geneve_udp_port;
658 p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
659
660 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
661 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
662 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
663 p_tun->ip_geneve.b_mode_enabled,
664 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
665 }
666
qed_vf_pf_tunnel_param_update(struct qed_hwfn * p_hwfn,struct qed_tunnel_info * p_src)667 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
668 struct qed_tunnel_info *p_src)
669 {
670 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
671 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
672 struct pfvf_update_tunn_param_tlv *p_resp;
673 struct vfpf_update_tunn_param_tlv *p_req;
674 int rc;
675
676 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
677 sizeof(*p_req));
678
679 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
680 p_req->update_tun_cls = 1;
681
682 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
683 &p_req->vxlan_clss, &p_src->vxlan_port,
684 &p_req->update_vxlan_port,
685 &p_req->vxlan_port);
686 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
687 QED_MODE_L2GENEVE_TUNN,
688 &p_req->l2geneve_clss, &p_src->geneve_port,
689 &p_req->update_geneve_port,
690 &p_req->geneve_port);
691 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
692 QED_MODE_IPGENEVE_TUNN,
693 &p_req->ipgeneve_clss);
694 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
695 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
696 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
697 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
698
699 /* add list termination tlv */
700 qed_add_tlv(p_hwfn, &p_iov->offset,
701 CHANNEL_TLV_LIST_END,
702 sizeof(struct channel_list_end_tlv));
703
704 p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
705 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status);
706
707 if (rc)
708 goto exit;
709
710 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
711 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
712 "Failed to update tunnel parameters\n");
713 rc = -EINVAL;
714 }
715
716 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
717 exit:
718 qed_vf_pf_req_end(p_hwfn, rc);
719 return rc;
720 }
721
722 int
qed_vf_pf_rxq_start(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,u16 bd_max_bytes,dma_addr_t bd_chain_phys_addr,dma_addr_t cqe_pbl_addr,u16 cqe_pbl_size,void __iomem ** pp_prod)723 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
724 struct qed_queue_cid *p_cid,
725 u16 bd_max_bytes,
726 dma_addr_t bd_chain_phys_addr,
727 dma_addr_t cqe_pbl_addr,
728 u16 cqe_pbl_size, void __iomem **pp_prod)
729 {
730 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
731 struct pfvf_start_queue_resp_tlv *resp;
732 struct vfpf_start_rxq_tlv *req;
733 u8 rx_qid = p_cid->rel.queue_id;
734 int rc;
735
736 /* clear mailbox and prep first tlv */
737 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
738
739 req->rx_qid = rx_qid;
740 req->cqe_pbl_addr = cqe_pbl_addr;
741 req->cqe_pbl_size = cqe_pbl_size;
742 req->rxq_addr = bd_chain_phys_addr;
743 req->hw_sb = p_cid->sb_igu_id;
744 req->sb_index = p_cid->sb_idx;
745 req->bd_max_bytes = bd_max_bytes;
746 req->stat_id = -1;
747
748 /* If PF is legacy, we'll need to calculate producers ourselves
749 * as well as clean them.
750 */
751 if (p_iov->b_pre_fp_hsi) {
752 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
753 u32 init_prod_val = 0;
754
755 *pp_prod = (u8 __iomem *)
756 p_hwfn->regview +
757 MSTORM_QZONE_START(p_hwfn->cdev) +
758 hw_qid * MSTORM_QZONE_SIZE;
759
760 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
761 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
762 (u32 *)(&init_prod_val));
763 }
764
765 qed_vf_pf_add_qid(p_hwfn, p_cid);
766
767 /* add list termination tlv */
768 qed_add_tlv(p_hwfn, &p_iov->offset,
769 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
770
771 resp = &p_iov->pf2vf_reply->queue_start;
772 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
773 if (rc)
774 goto exit;
775
776 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
777 rc = -EINVAL;
778 goto exit;
779 }
780
781 /* Learn the address of the producer from the response */
782 if (!p_iov->b_pre_fp_hsi) {
783 u32 init_prod_val = 0;
784
785 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
786 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
787 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
788 rx_qid, *pp_prod, resp->offset);
789
790 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
791 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
792 (u32 *)&init_prod_val);
793 }
794 exit:
795 qed_vf_pf_req_end(p_hwfn, rc);
796
797 return rc;
798 }
799
qed_vf_pf_rxq_stop(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,bool cqe_completion)800 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
801 struct qed_queue_cid *p_cid, bool cqe_completion)
802 {
803 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
804 struct vfpf_stop_rxqs_tlv *req;
805 struct pfvf_def_resp_tlv *resp;
806 int rc;
807
808 /* clear mailbox and prep first tlv */
809 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
810
811 req->rx_qid = p_cid->rel.queue_id;
812 req->num_rxqs = 1;
813 req->cqe_completion = cqe_completion;
814
815 qed_vf_pf_add_qid(p_hwfn, p_cid);
816
817 /* add list termination tlv */
818 qed_add_tlv(p_hwfn, &p_iov->offset,
819 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
820
821 resp = &p_iov->pf2vf_reply->default_resp;
822 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
823 if (rc)
824 goto exit;
825
826 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
827 rc = -EINVAL;
828 goto exit;
829 }
830
831 exit:
832 qed_vf_pf_req_end(p_hwfn, rc);
833
834 return rc;
835 }
836
837 int
qed_vf_pf_txq_start(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid,dma_addr_t pbl_addr,u16 pbl_size,void __iomem ** pp_doorbell)838 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
839 struct qed_queue_cid *p_cid,
840 dma_addr_t pbl_addr,
841 u16 pbl_size, void __iomem **pp_doorbell)
842 {
843 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
844 struct pfvf_start_queue_resp_tlv *resp;
845 struct vfpf_start_txq_tlv *req;
846 u16 qid = p_cid->rel.queue_id;
847 int rc;
848
849 /* clear mailbox and prep first tlv */
850 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
851
852 req->tx_qid = qid;
853
854 /* Tx */
855 req->pbl_addr = pbl_addr;
856 req->pbl_size = pbl_size;
857 req->hw_sb = p_cid->sb_igu_id;
858 req->sb_index = p_cid->sb_idx;
859
860 qed_vf_pf_add_qid(p_hwfn, p_cid);
861
862 /* add list termination tlv */
863 qed_add_tlv(p_hwfn, &p_iov->offset,
864 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
865
866 resp = &p_iov->pf2vf_reply->queue_start;
867 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
868 if (rc)
869 goto exit;
870
871 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
872 rc = -EINVAL;
873 goto exit;
874 }
875
876 /* Modern PFs provide the actual offsets, while legacy
877 * provided only the queue id.
878 */
879 if (!p_iov->b_pre_fp_hsi) {
880 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
881 } else {
882 u8 cid = p_iov->acquire_resp.resc.cid[qid];
883
884 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
885 qed_db_addr_vf(cid,
886 DQ_DEMS_LEGACY);
887 }
888
889 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
890 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
891 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
892 exit:
893 qed_vf_pf_req_end(p_hwfn, rc);
894
895 return rc;
896 }
897
qed_vf_pf_txq_stop(struct qed_hwfn * p_hwfn,struct qed_queue_cid * p_cid)898 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
899 {
900 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
901 struct vfpf_stop_txqs_tlv *req;
902 struct pfvf_def_resp_tlv *resp;
903 int rc;
904
905 /* clear mailbox and prep first tlv */
906 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
907
908 req->tx_qid = p_cid->rel.queue_id;
909 req->num_txqs = 1;
910
911 qed_vf_pf_add_qid(p_hwfn, p_cid);
912
913 /* add list termination tlv */
914 qed_add_tlv(p_hwfn, &p_iov->offset,
915 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
916
917 resp = &p_iov->pf2vf_reply->default_resp;
918 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
919 if (rc)
920 goto exit;
921
922 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
923 rc = -EINVAL;
924 goto exit;
925 }
926
927 exit:
928 qed_vf_pf_req_end(p_hwfn, rc);
929
930 return rc;
931 }
932
qed_vf_pf_vport_start(struct qed_hwfn * p_hwfn,u8 vport_id,u16 mtu,u8 inner_vlan_removal,enum qed_tpa_mode tpa_mode,u8 max_buffers_per_cqe,u8 only_untagged)933 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
934 u8 vport_id,
935 u16 mtu,
936 u8 inner_vlan_removal,
937 enum qed_tpa_mode tpa_mode,
938 u8 max_buffers_per_cqe, u8 only_untagged)
939 {
940 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
941 struct vfpf_vport_start_tlv *req;
942 struct pfvf_def_resp_tlv *resp;
943 int rc, i;
944
945 /* clear mailbox and prep first tlv */
946 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
947
948 req->mtu = mtu;
949 req->vport_id = vport_id;
950 req->inner_vlan_removal = inner_vlan_removal;
951 req->tpa_mode = tpa_mode;
952 req->max_buffers_per_cqe = max_buffers_per_cqe;
953 req->only_untagged = only_untagged;
954
955 /* status blocks */
956 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
957 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
958
959 if (p_sb)
960 req->sb_addr[i] = p_sb->sb_phys;
961 }
962
963 /* add list termination tlv */
964 qed_add_tlv(p_hwfn, &p_iov->offset,
965 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
966
967 resp = &p_iov->pf2vf_reply->default_resp;
968 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
969 if (rc)
970 goto exit;
971
972 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
973 rc = -EINVAL;
974 goto exit;
975 }
976
977 exit:
978 qed_vf_pf_req_end(p_hwfn, rc);
979
980 return rc;
981 }
982
qed_vf_pf_vport_stop(struct qed_hwfn * p_hwfn)983 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
984 {
985 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
986 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
987 int rc;
988
989 /* clear mailbox and prep first tlv */
990 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
991 sizeof(struct vfpf_first_tlv));
992
993 /* add list termination tlv */
994 qed_add_tlv(p_hwfn, &p_iov->offset,
995 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
996
997 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
998 if (rc)
999 goto exit;
1000
1001 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1002 rc = -EINVAL;
1003 goto exit;
1004 }
1005
1006 exit:
1007 qed_vf_pf_req_end(p_hwfn, rc);
1008
1009 return rc;
1010 }
1011
1012 static bool
qed_vf_handle_vp_update_is_needed(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_data,u16 tlv)1013 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1014 struct qed_sp_vport_update_params *p_data,
1015 u16 tlv)
1016 {
1017 switch (tlv) {
1018 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1019 return !!(p_data->update_vport_active_rx_flg ||
1020 p_data->update_vport_active_tx_flg);
1021 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1022 return !!p_data->update_tx_switching_flg;
1023 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1024 return !!p_data->update_inner_vlan_removal_flg;
1025 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1026 return !!p_data->update_accept_any_vlan_flg;
1027 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1028 return !!p_data->update_approx_mcast_flg;
1029 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1030 return !!(p_data->accept_flags.update_rx_mode_config ||
1031 p_data->accept_flags.update_tx_mode_config);
1032 case CHANNEL_TLV_VPORT_UPDATE_RSS:
1033 return !!p_data->rss_params;
1034 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1035 return !!p_data->sge_tpa_params;
1036 default:
1037 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1038 tlv);
1039 return false;
1040 }
1041 }
1042
1043 static void
qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_data)1044 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1045 struct qed_sp_vport_update_params *p_data)
1046 {
1047 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1048 struct pfvf_def_resp_tlv *p_resp;
1049 u16 tlv;
1050
1051 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1052 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1053 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1054 continue;
1055
1056 p_resp = (struct pfvf_def_resp_tlv *)
1057 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1058 tlv);
1059 if (p_resp && p_resp->hdr.status)
1060 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1061 "TLV[%d] Configuration %s\n",
1062 tlv,
1063 (p_resp && p_resp->hdr.status) ? "succeeded"
1064 : "failed");
1065 }
1066 }
1067
qed_vf_pf_vport_update(struct qed_hwfn * p_hwfn,struct qed_sp_vport_update_params * p_params)1068 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1069 struct qed_sp_vport_update_params *p_params)
1070 {
1071 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1072 struct vfpf_vport_update_tlv *req;
1073 struct pfvf_def_resp_tlv *resp;
1074 u8 update_rx, update_tx;
1075 u16 size, tlv;
1076 int rc;
1077
1078 resp = &p_iov->pf2vf_reply->default_resp;
1079
1080 update_rx = p_params->update_vport_active_rx_flg;
1081 update_tx = p_params->update_vport_active_tx_flg;
1082
1083 /* clear mailbox and prep header tlv */
1084 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1085
1086 /* Prepare extended tlvs */
1087 if (update_rx || update_tx) {
1088 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1089
1090 size = sizeof(struct vfpf_vport_update_activate_tlv);
1091 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1092 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1093 size);
1094
1095 if (update_rx) {
1096 p_act_tlv->update_rx = update_rx;
1097 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1098 }
1099
1100 if (update_tx) {
1101 p_act_tlv->update_tx = update_tx;
1102 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1103 }
1104 }
1105
1106 if (p_params->update_tx_switching_flg) {
1107 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1108
1109 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1110 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1111 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1112 tlv, size);
1113
1114 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1115 }
1116
1117 if (p_params->update_approx_mcast_flg) {
1118 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1119
1120 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1121 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1122 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1123
1124 memcpy(p_mcast_tlv->bins, p_params->bins,
1125 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1126 }
1127
1128 update_rx = p_params->accept_flags.update_rx_mode_config;
1129 update_tx = p_params->accept_flags.update_tx_mode_config;
1130
1131 if (update_rx || update_tx) {
1132 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1133
1134 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1135 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1136 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1137
1138 if (update_rx) {
1139 p_accept_tlv->update_rx_mode = update_rx;
1140 p_accept_tlv->rx_accept_filter =
1141 p_params->accept_flags.rx_accept_filter;
1142 }
1143
1144 if (update_tx) {
1145 p_accept_tlv->update_tx_mode = update_tx;
1146 p_accept_tlv->tx_accept_filter =
1147 p_params->accept_flags.tx_accept_filter;
1148 }
1149 }
1150
1151 if (p_params->rss_params) {
1152 struct qed_rss_params *rss_params = p_params->rss_params;
1153 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1154 int i, table_size;
1155
1156 size = sizeof(struct vfpf_vport_update_rss_tlv);
1157 p_rss_tlv = qed_add_tlv(p_hwfn,
1158 &p_iov->offset,
1159 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1160
1161 if (rss_params->update_rss_config)
1162 p_rss_tlv->update_rss_flags |=
1163 VFPF_UPDATE_RSS_CONFIG_FLAG;
1164 if (rss_params->update_rss_capabilities)
1165 p_rss_tlv->update_rss_flags |=
1166 VFPF_UPDATE_RSS_CAPS_FLAG;
1167 if (rss_params->update_rss_ind_table)
1168 p_rss_tlv->update_rss_flags |=
1169 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1170 if (rss_params->update_rss_key)
1171 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1172
1173 p_rss_tlv->rss_enable = rss_params->rss_enable;
1174 p_rss_tlv->rss_caps = rss_params->rss_caps;
1175 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1176
1177 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1178 1 << p_rss_tlv->rss_table_size_log);
1179 for (i = 0; i < table_size; i++) {
1180 struct qed_queue_cid *p_queue;
1181
1182 p_queue = rss_params->rss_ind_table[i];
1183 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1184 }
1185 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1186 sizeof(rss_params->rss_key));
1187 }
1188
1189 if (p_params->update_accept_any_vlan_flg) {
1190 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1191
1192 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1193 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1194 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1195
1196 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1197 p_any_vlan_tlv->update_accept_any_vlan_flg =
1198 p_params->update_accept_any_vlan_flg;
1199 }
1200
1201 /* add list termination tlv */
1202 qed_add_tlv(p_hwfn, &p_iov->offset,
1203 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1204
1205 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1206 if (rc)
1207 goto exit;
1208
1209 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1210 rc = -EINVAL;
1211 goto exit;
1212 }
1213
1214 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1215
1216 exit:
1217 qed_vf_pf_req_end(p_hwfn, rc);
1218
1219 return rc;
1220 }
1221
qed_vf_pf_reset(struct qed_hwfn * p_hwfn)1222 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1223 {
1224 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1225 struct pfvf_def_resp_tlv *resp;
1226 struct vfpf_first_tlv *req;
1227 int rc;
1228
1229 /* clear mailbox and prep first tlv */
1230 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1231
1232 /* add list termination tlv */
1233 qed_add_tlv(p_hwfn, &p_iov->offset,
1234 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1235
1236 resp = &p_iov->pf2vf_reply->default_resp;
1237 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1238 if (rc)
1239 goto exit;
1240
1241 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1242 rc = -EAGAIN;
1243 goto exit;
1244 }
1245
1246 p_hwfn->b_int_enabled = 0;
1247
1248 exit:
1249 qed_vf_pf_req_end(p_hwfn, rc);
1250
1251 return rc;
1252 }
1253
qed_vf_pf_filter_mcast(struct qed_hwfn * p_hwfn,struct qed_filter_mcast * p_filter_cmd)1254 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1255 struct qed_filter_mcast *p_filter_cmd)
1256 {
1257 struct qed_sp_vport_update_params sp_params;
1258 int i;
1259
1260 memset(&sp_params, 0, sizeof(sp_params));
1261 sp_params.update_approx_mcast_flg = 1;
1262
1263 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1264 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1265 u32 bit;
1266
1267 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1268 sp_params.bins[bit / 32] |= 1 << (bit % 32);
1269 }
1270 }
1271
1272 qed_vf_pf_vport_update(p_hwfn, &sp_params);
1273 }
1274
qed_vf_pf_filter_ucast(struct qed_hwfn * p_hwfn,struct qed_filter_ucast * p_ucast)1275 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1276 struct qed_filter_ucast *p_ucast)
1277 {
1278 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1279 struct vfpf_ucast_filter_tlv *req;
1280 struct pfvf_def_resp_tlv *resp;
1281 int rc;
1282
1283 /* clear mailbox and prep first tlv */
1284 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1285 req->opcode = (u8)p_ucast->opcode;
1286 req->type = (u8)p_ucast->type;
1287 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1288 req->vlan = p_ucast->vlan;
1289
1290 /* add list termination tlv */
1291 qed_add_tlv(p_hwfn, &p_iov->offset,
1292 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1293
1294 resp = &p_iov->pf2vf_reply->default_resp;
1295 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1296 if (rc)
1297 goto exit;
1298
1299 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1300 rc = -EAGAIN;
1301 goto exit;
1302 }
1303
1304 exit:
1305 qed_vf_pf_req_end(p_hwfn, rc);
1306
1307 return rc;
1308 }
1309
qed_vf_pf_int_cleanup(struct qed_hwfn * p_hwfn)1310 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1311 {
1312 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1313 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1314 int rc;
1315
1316 /* clear mailbox and prep first tlv */
1317 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1318 sizeof(struct vfpf_first_tlv));
1319
1320 /* add list termination tlv */
1321 qed_add_tlv(p_hwfn, &p_iov->offset,
1322 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1323
1324 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1325 if (rc)
1326 goto exit;
1327
1328 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1329 rc = -EINVAL;
1330 goto exit;
1331 }
1332
1333 exit:
1334 qed_vf_pf_req_end(p_hwfn, rc);
1335
1336 return rc;
1337 }
1338
qed_vf_pf_get_coalesce(struct qed_hwfn * p_hwfn,u16 * p_coal,struct qed_queue_cid * p_cid)1339 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1340 u16 *p_coal, struct qed_queue_cid *p_cid)
1341 {
1342 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1343 struct pfvf_read_coal_resp_tlv *resp;
1344 struct vfpf_read_coal_req_tlv *req;
1345 int rc;
1346
1347 /* clear mailbox and prep header tlv */
1348 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1349 req->qid = p_cid->rel.queue_id;
1350 req->is_rx = p_cid->b_is_rx ? 1 : 0;
1351
1352 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1353 sizeof(struct channel_list_end_tlv));
1354 resp = &p_iov->pf2vf_reply->read_coal_resp;
1355
1356 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1357 if (rc)
1358 goto exit;
1359
1360 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1361 goto exit;
1362
1363 *p_coal = resp->coal;
1364 exit:
1365 qed_vf_pf_req_end(p_hwfn, rc);
1366
1367 return rc;
1368 }
1369
1370 int
qed_vf_pf_bulletin_update_mac(struct qed_hwfn * p_hwfn,const u8 * p_mac)1371 qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
1372 const u8 *p_mac)
1373 {
1374 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1375 struct vfpf_bulletin_update_mac_tlv *p_req;
1376 struct pfvf_def_resp_tlv *p_resp;
1377 int rc;
1378
1379 if (!p_mac)
1380 return -EINVAL;
1381
1382 /* clear mailbox and prep header tlv */
1383 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_BULLETIN_UPDATE_MAC,
1384 sizeof(*p_req));
1385 ether_addr_copy(p_req->mac, p_mac);
1386 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1387 "Requesting bulletin update for MAC[%pM]\n", p_mac);
1388
1389 /* add list termination tlv */
1390 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1391 sizeof(struct channel_list_end_tlv));
1392
1393 p_resp = &p_iov->pf2vf_reply->default_resp;
1394 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status);
1395 qed_vf_pf_req_end(p_hwfn, rc);
1396 return rc;
1397 }
1398
1399 int
qed_vf_pf_set_coalesce(struct qed_hwfn * p_hwfn,u16 rx_coal,u16 tx_coal,struct qed_queue_cid * p_cid)1400 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1401 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1402 {
1403 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1404 struct vfpf_update_coalesce *req;
1405 struct pfvf_def_resp_tlv *resp;
1406 int rc;
1407
1408 /* clear mailbox and prep header tlv */
1409 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1410
1411 req->rx_coal = rx_coal;
1412 req->tx_coal = tx_coal;
1413 req->qid = p_cid->rel.queue_id;
1414
1415 DP_VERBOSE(p_hwfn,
1416 QED_MSG_IOV,
1417 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1418 rx_coal, tx_coal, req->qid);
1419
1420 /* add list termination tlv */
1421 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1422 sizeof(struct channel_list_end_tlv));
1423
1424 resp = &p_iov->pf2vf_reply->default_resp;
1425 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status);
1426 if (rc)
1427 goto exit;
1428
1429 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1430 goto exit;
1431
1432 if (rx_coal)
1433 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1434
1435 if (tx_coal)
1436 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1437
1438 exit:
1439 qed_vf_pf_req_end(p_hwfn, rc);
1440 return rc;
1441 }
1442
qed_vf_get_igu_sb_id(struct qed_hwfn * p_hwfn,u16 sb_id)1443 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1444 {
1445 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1446
1447 if (!p_iov) {
1448 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1449 return 0;
1450 }
1451
1452 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1453 }
1454
qed_vf_set_sb_info(struct qed_hwfn * p_hwfn,u16 sb_id,struct qed_sb_info * p_sb)1455 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1456 u16 sb_id, struct qed_sb_info *p_sb)
1457 {
1458 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1459
1460 if (!p_iov) {
1461 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1462 return;
1463 }
1464
1465 if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1466 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1467 return;
1468 }
1469
1470 p_iov->sbs_info[sb_id] = p_sb;
1471 }
1472
qed_vf_read_bulletin(struct qed_hwfn * p_hwfn,u8 * p_change)1473 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1474 {
1475 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1476 struct qed_bulletin_content shadow;
1477 u32 crc, crc_size;
1478
1479 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1480 *p_change = 0;
1481
1482 /* Need to guarantee PF is not in the middle of writing it */
1483 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1484
1485 /* If version did not update, no need to do anything */
1486 if (shadow.version == p_iov->bulletin_shadow.version)
1487 return 0;
1488
1489 /* Verify the bulletin we see is valid */
1490 crc = crc32(0, (u8 *)&shadow + crc_size,
1491 p_iov->bulletin.size - crc_size);
1492 if (crc != shadow.crc)
1493 return -EAGAIN;
1494
1495 /* Set the shadow bulletin and process it */
1496 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1497
1498 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1499 "Read a bulletin update %08x\n", shadow.version);
1500
1501 *p_change = 1;
1502
1503 return 0;
1504 }
1505
__qed_vf_get_link_params(struct qed_hwfn * p_hwfn,struct qed_mcp_link_params * p_params,struct qed_bulletin_content * p_bulletin)1506 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1507 struct qed_mcp_link_params *p_params,
1508 struct qed_bulletin_content *p_bulletin)
1509 {
1510 memset(p_params, 0, sizeof(*p_params));
1511
1512 p_params->speed.autoneg = p_bulletin->req_autoneg;
1513 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1514 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1515 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1516 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1517 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1518 p_params->loopback_mode = p_bulletin->req_loopback;
1519 }
1520
qed_vf_get_link_params(struct qed_hwfn * p_hwfn,struct qed_mcp_link_params * params)1521 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1522 struct qed_mcp_link_params *params)
1523 {
1524 __qed_vf_get_link_params(p_hwfn, params,
1525 &(p_hwfn->vf_iov_info->bulletin_shadow));
1526 }
1527
__qed_vf_get_link_state(struct qed_hwfn * p_hwfn,struct qed_mcp_link_state * p_link,struct qed_bulletin_content * p_bulletin)1528 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1529 struct qed_mcp_link_state *p_link,
1530 struct qed_bulletin_content *p_bulletin)
1531 {
1532 memset(p_link, 0, sizeof(*p_link));
1533
1534 p_link->link_up = p_bulletin->link_up;
1535 p_link->speed = p_bulletin->speed;
1536 p_link->full_duplex = p_bulletin->full_duplex;
1537 p_link->an = p_bulletin->autoneg;
1538 p_link->an_complete = p_bulletin->autoneg_complete;
1539 p_link->parallel_detection = p_bulletin->parallel_detection;
1540 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1541 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1542 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1543 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1544 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1545 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1546 }
1547
qed_vf_get_link_state(struct qed_hwfn * p_hwfn,struct qed_mcp_link_state * link)1548 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1549 struct qed_mcp_link_state *link)
1550 {
1551 __qed_vf_get_link_state(p_hwfn, link,
1552 &(p_hwfn->vf_iov_info->bulletin_shadow));
1553 }
1554
__qed_vf_get_link_caps(struct qed_hwfn * p_hwfn,struct qed_mcp_link_capabilities * p_link_caps,struct qed_bulletin_content * p_bulletin)1555 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1556 struct qed_mcp_link_capabilities *p_link_caps,
1557 struct qed_bulletin_content *p_bulletin)
1558 {
1559 memset(p_link_caps, 0, sizeof(*p_link_caps));
1560 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1561 }
1562
qed_vf_get_link_caps(struct qed_hwfn * p_hwfn,struct qed_mcp_link_capabilities * p_link_caps)1563 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1564 struct qed_mcp_link_capabilities *p_link_caps)
1565 {
1566 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1567 &(p_hwfn->vf_iov_info->bulletin_shadow));
1568 }
1569
qed_vf_get_num_rxqs(struct qed_hwfn * p_hwfn,u8 * num_rxqs)1570 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1571 {
1572 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1573 }
1574
qed_vf_get_num_txqs(struct qed_hwfn * p_hwfn,u8 * num_txqs)1575 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1576 {
1577 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1578 }
1579
qed_vf_get_num_cids(struct qed_hwfn * p_hwfn,u8 * num_cids)1580 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1581 {
1582 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1583 }
1584
qed_vf_get_port_mac(struct qed_hwfn * p_hwfn,u8 * port_mac)1585 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1586 {
1587 memcpy(port_mac,
1588 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1589 }
1590
qed_vf_get_num_vlan_filters(struct qed_hwfn * p_hwfn,u8 * num_vlan_filters)1591 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1592 {
1593 struct qed_vf_iov *p_vf;
1594
1595 p_vf = p_hwfn->vf_iov_info;
1596 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1597 }
1598
qed_vf_get_num_mac_filters(struct qed_hwfn * p_hwfn,u8 * num_mac_filters)1599 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1600 {
1601 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1602
1603 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1604 }
1605
qed_vf_check_mac(struct qed_hwfn * p_hwfn,u8 * mac)1606 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1607 {
1608 struct qed_bulletin_content *bulletin;
1609
1610 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1611 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1612 return true;
1613
1614 /* Forbid VF from changing a MAC enforced by PF */
1615 if (ether_addr_equal(bulletin->mac, mac))
1616 return false;
1617
1618 return false;
1619 }
1620
qed_vf_bulletin_get_forced_mac(struct qed_hwfn * hwfn,u8 * dst_mac,u8 * p_is_forced)1621 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1622 u8 *dst_mac, u8 *p_is_forced)
1623 {
1624 struct qed_bulletin_content *bulletin;
1625
1626 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1627
1628 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1629 if (p_is_forced)
1630 *p_is_forced = 1;
1631 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1632 if (p_is_forced)
1633 *p_is_forced = 0;
1634 } else {
1635 return false;
1636 }
1637
1638 ether_addr_copy(dst_mac, bulletin->mac);
1639
1640 return true;
1641 }
1642
1643 static void
qed_vf_bulletin_get_udp_ports(struct qed_hwfn * p_hwfn,u16 * p_vxlan_port,u16 * p_geneve_port)1644 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1645 u16 *p_vxlan_port, u16 *p_geneve_port)
1646 {
1647 struct qed_bulletin_content *p_bulletin;
1648
1649 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1650
1651 *p_vxlan_port = p_bulletin->vxlan_udp_port;
1652 *p_geneve_port = p_bulletin->geneve_udp_port;
1653 }
1654
qed_vf_get_fw_version(struct qed_hwfn * p_hwfn,u16 * fw_major,u16 * fw_minor,u16 * fw_rev,u16 * fw_eng)1655 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1656 u16 *fw_major, u16 *fw_minor,
1657 u16 *fw_rev, u16 *fw_eng)
1658 {
1659 struct pf_vf_pfdev_info *info;
1660
1661 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1662
1663 *fw_major = info->fw_major;
1664 *fw_minor = info->fw_minor;
1665 *fw_rev = info->fw_rev;
1666 *fw_eng = info->fw_eng;
1667 }
1668
qed_handle_bulletin_change(struct qed_hwfn * hwfn)1669 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1670 {
1671 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1672 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1673 void *cookie = hwfn->cdev->ops_cookie;
1674 u16 vxlan_port, geneve_port;
1675
1676 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1677 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1678 &is_mac_forced);
1679 if (is_mac_exist && cookie)
1680 ops->force_mac(cookie, mac, !!is_mac_forced);
1681
1682 ops->ports_update(cookie, vxlan_port, geneve_port);
1683
1684 /* Always update link configuration according to bulletin */
1685 qed_link_update(hwfn, NULL);
1686 }
1687
qed_iov_vf_task(struct work_struct * work)1688 void qed_iov_vf_task(struct work_struct *work)
1689 {
1690 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1691 iov_task.work);
1692 u8 change = 0;
1693
1694 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1695 return;
1696
1697 /* Handle bulletin board changes */
1698 qed_vf_read_bulletin(hwfn, &change);
1699 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1700 &hwfn->iov_task_flags))
1701 change = 1;
1702 if (change)
1703 qed_handle_bulletin_change(hwfn);
1704
1705 /* As VF is polling bulletin board, need to constantly re-schedule */
1706 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1707 }
1708