1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015-2017 QLogic Corporation
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:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
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.
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
33 #include <linux/crc32.h>
34 #include <linux/etherdevice.h>
36 #include "qed_sriov.h"
39 static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
41 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
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.
49 mutex_lock(&(p_iov->mutex));
53 "preparing to send 0x%04x tlv over vf pf channel\n",
56 /* Reset Requst offset */
57 p_iov->offset = (u8 *)p_iov->vf2pf_request;
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));
63 /* Init type and length */
64 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
66 /* Init first tlv header */
67 ((struct vfpf_first_tlv *)p_tlv)->reply_address =
68 (u64)p_iov->pf2vf_reply_phys;
73 static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
75 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
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);
81 mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
84 #define QED_VF_CHANNEL_USLEEP_ITERATIONS 90
85 #define QED_VF_CHANNEL_USLEEP_DELAY 100
86 #define QED_VF_CHANNEL_MSLEEP_ITERATIONS 10
87 #define QED_VF_CHANNEL_MSLEEP_DELAY 25
89 static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
91 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
92 struct ustorm_trigger_vf_zone trigger;
93 struct ustorm_vf_zone *zone_data;
96 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
98 /* output tlvs list */
99 qed_dp_tlv_list(p_hwfn, p_req);
101 /* need to add the END TLV to the message size */
102 resp_size += sizeof(struct channel_list_end_tlv);
104 /* Send TLVs over HW channel */
105 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
106 trigger.vf_pf_msg_valid = 1;
110 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
111 GET_FIELD(p_hwfn->hw_info.concrete_fid,
112 PXP_CONCRETE_FID_PFID),
113 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
114 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
115 &zone_data->non_trigger.vf_pf_msg_addr,
116 *((u32 *)&trigger), &zone_data->trigger);
119 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
120 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
123 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
124 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
126 /* The message data must be written first, to prevent trigger before
131 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
133 /* When PF would be done with the response, it would write back to the
134 * `done' address from a coherent DMA zone. Poll until then.
137 iter = QED_VF_CHANNEL_USLEEP_ITERATIONS;
138 while (!*done && iter--) {
139 udelay(QED_VF_CHANNEL_USLEEP_DELAY);
143 iter = QED_VF_CHANNEL_MSLEEP_ITERATIONS;
144 while (!*done && iter--) {
145 msleep(QED_VF_CHANNEL_MSLEEP_DELAY);
151 "VF <-- PF Timeout [Type %d]\n",
152 p_req->first_tlv.tl.type);
155 if ((*done != PFVF_STATUS_SUCCESS) &&
156 (*done != PFVF_STATUS_NO_RESOURCE))
158 "PF response: %d [Type %d]\n",
159 *done, p_req->first_tlv.tl.type);
161 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
162 "PF response: %d [Type %d]\n",
163 *done, p_req->first_tlv.tl.type);
169 static void qed_vf_pf_add_qid(struct qed_hwfn *p_hwfn,
170 struct qed_queue_cid *p_cid)
172 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
173 struct vfpf_qid_tlv *p_qid_tlv;
175 /* Only add QIDs for the queue if it was negotiated with PF */
176 if (!(p_iov->acquire_resp.pfdev_info.capabilities &
177 PFVF_ACQUIRE_CAP_QUEUE_QIDS))
180 p_qid_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
181 CHANNEL_TLV_QID, sizeof(*p_qid_tlv));
182 p_qid_tlv->qid = p_cid->qid_usage_idx;
185 int _qed_vf_pf_release(struct qed_hwfn *p_hwfn, bool b_final)
187 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
188 struct pfvf_def_resp_tlv *resp;
189 struct vfpf_first_tlv *req;
193 /* clear mailbox and prep first tlv */
194 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
196 /* add list termination tlv */
197 qed_add_tlv(p_hwfn, &p_iov->offset,
198 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
200 resp = &p_iov->pf2vf_reply->default_resp;
201 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
203 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
206 qed_vf_pf_req_end(p_hwfn, rc);
210 p_hwfn->b_int_enabled = 0;
212 if (p_iov->vf2pf_request)
213 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
214 sizeof(union vfpf_tlvs),
215 p_iov->vf2pf_request,
216 p_iov->vf2pf_request_phys);
217 if (p_iov->pf2vf_reply)
218 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
219 sizeof(union pfvf_tlvs),
220 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
222 if (p_iov->bulletin.p_virt) {
223 size = sizeof(struct qed_bulletin_content);
224 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
226 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
229 kfree(p_hwfn->vf_iov_info);
230 p_hwfn->vf_iov_info = NULL;
235 int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
237 return _qed_vf_pf_release(p_hwfn, true);
240 #define VF_ACQUIRE_THRESH 3
241 static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
242 struct vf_pf_resc_request *p_req,
243 struct pf_vf_resc *p_resp)
247 "PF unwilling to fullill 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",
254 p_req->num_mac_filters,
255 p_resp->num_mac_filters,
256 p_req->num_vlan_filters,
257 p_resp->num_vlan_filters,
258 p_req->num_mc_filters,
259 p_resp->num_mc_filters, p_req->num_cids, p_resp->num_cids);
261 /* humble our request */
262 p_req->num_txqs = p_resp->num_txqs;
263 p_req->num_rxqs = p_resp->num_rxqs;
264 p_req->num_sbs = p_resp->num_sbs;
265 p_req->num_mac_filters = p_resp->num_mac_filters;
266 p_req->num_vlan_filters = p_resp->num_vlan_filters;
267 p_req->num_mc_filters = p_resp->num_mc_filters;
268 p_req->num_cids = p_resp->num_cids;
271 static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
273 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
274 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
275 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
276 struct vf_pf_resc_request *p_resc;
277 u8 retry_cnt = VF_ACQUIRE_THRESH;
278 bool resources_acquired = false;
279 struct vfpf_acquire_tlv *req;
280 int rc = 0, attempts = 0;
282 /* clear mailbox and prep first tlv */
283 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
284 p_resc = &req->resc_request;
286 /* starting filling the request */
287 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
289 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
290 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
291 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
292 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
293 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
294 p_resc->num_cids = QED_ETH_VF_DEFAULT_NUM_CIDS;
296 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
297 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
298 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
299 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
300 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
301 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
302 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
304 /* Fill capability field with any non-deprecated config we support */
305 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
307 /* If we've mapped the doorbell bar, try using queue qids */
308 if (p_iov->b_doorbell_bar) {
309 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_PHYSICAL_BAR |
310 VFPF_ACQUIRE_CAP_QUEUE_QIDS;
311 p_resc->num_cids = QED_ETH_VF_MAX_NUM_CIDS;
314 /* pf 2 vf bulletin board address */
315 req->bulletin_addr = p_iov->bulletin.phys;
316 req->bulletin_size = p_iov->bulletin.size;
318 /* add list termination tlv */
319 qed_add_tlv(p_hwfn, &p_iov->offset,
320 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
322 while (!resources_acquired) {
324 QED_MSG_IOV, "attempting to acquire resources\n");
326 /* Clear response buffer, as this might be a re-send */
327 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
329 /* send acquire request */
330 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
332 /* Re-try acquire in case of vf-pf hw channel timeout */
333 if (retry_cnt && rc == -EBUSY) {
334 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
335 "VF retrying to acquire due to VPC timeout\n");
343 /* copy acquire response from buffer to p_hwfn */
344 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
348 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
349 /* PF agrees to allocate our resources */
350 if (!(resp->pfdev_info.capabilities &
351 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
352 /* It's possible legacy PF mistakenly accepted;
353 * but we don't care - simply mark it as
354 * legacy and continue.
356 req->vfdev_info.capabilities |=
357 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
359 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
360 resources_acquired = true;
361 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
362 attempts < VF_ACQUIRE_THRESH) {
363 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
365 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
366 if (pfdev_info->major_fp_hsi &&
367 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
369 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
370 pfdev_info->major_fp_hsi,
371 pfdev_info->minor_fp_hsi,
374 pfdev_info->major_fp_hsi);
379 if (!pfdev_info->major_fp_hsi) {
380 if (req->vfdev_info.capabilities &
381 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
383 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
388 "PF is old - try re-acquire to see if it supports FW-version override\n");
389 req->vfdev_info.capabilities |=
390 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
395 /* If PF/VF are using same Major, PF must have had
396 * it's reasons. Simply fail.
398 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
403 "PF returned error %d to VF acquisition request\n",
410 /* Mark the PF as legacy, if needed */
411 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
412 p_iov->b_pre_fp_hsi = true;
414 /* In case PF doesn't support multi-queue Tx, update the number of
415 * CIDs to reflect the number of queues [older PFs didn't fill that
418 if (!(resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_QUEUE_QIDS))
419 resp->resc.num_cids = resp->resc.num_rxqs + resp->resc.num_txqs;
421 /* Update bulletin board size with response from PF */
422 p_iov->bulletin.size = resp->bulletin_size;
425 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
426 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
428 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
430 /* Learn of the possibility of CMT */
431 if (IS_LEAD_HWFN(p_hwfn)) {
432 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
433 DP_NOTICE(p_hwfn, "100g VF\n");
434 p_hwfn->cdev->num_hwfns = 2;
438 if (!p_iov->b_pre_fp_hsi &&
439 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
441 "PF is using older fastpath HSI; %02x.%02x is configured\n",
442 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
446 qed_vf_pf_req_end(p_hwfn, rc);
451 u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id)
455 /* Regview size is fixed */
456 if (bar_id == BAR_ID_0)
459 /* Doorbell is received from PF */
460 bar_size = p_hwfn->vf_iov_info->acquire_resp.pfdev_info.bar_size;
462 return 1 << bar_size;
466 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
468 struct qed_hwfn *p_lead = QED_LEADING_HWFN(p_hwfn->cdev);
469 struct qed_vf_iov *p_iov;
473 /* Set number of hwfns - might be overriden once leading hwfn learns
474 * actual configuration from PF.
476 if (IS_LEAD_HWFN(p_hwfn))
477 p_hwfn->cdev->num_hwfns = 1;
479 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
480 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
482 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
483 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
485 /* Allocate vf sriov info */
486 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
490 /* Doorbells are tricky; Upper-layer has alreday set the hwfn doorbell
491 * value, but there are several incompatibily scenarios where that
492 * would be incorrect and we'd need to override it.
494 if (!p_hwfn->doorbells) {
495 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
496 PXP_VF_BAR0_START_DQ;
497 } else if (p_hwfn == p_lead) {
498 /* For leading hw-function, value is always correct, but need
499 * to handle scenario where legacy PF would not support 100g
502 p_iov->b_doorbell_bar = true;
504 /* here, value would be correct ONLY if the leading hwfn
505 * received indication that mapped-bars are supported.
507 if (p_lead->vf_iov_info->b_doorbell_bar)
508 p_iov->b_doorbell_bar = true;
510 p_hwfn->doorbells = (u8 __iomem *)
511 p_hwfn->regview + PXP_VF_BAR0_START_DQ;
514 /* Allocate vf2pf msg */
515 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
516 sizeof(union vfpf_tlvs),
517 &p_iov->vf2pf_request_phys,
519 if (!p_iov->vf2pf_request)
522 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
523 sizeof(union pfvf_tlvs),
524 &p_iov->pf2vf_reply_phys,
526 if (!p_iov->pf2vf_reply)
527 goto free_vf2pf_request;
531 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
532 p_iov->vf2pf_request,
533 (u64) p_iov->vf2pf_request_phys,
534 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
536 /* Allocate Bulletin board */
537 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
538 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
539 p_iov->bulletin.size,
540 &p_iov->bulletin.phys,
542 if (!p_iov->bulletin.p_virt)
543 goto free_pf2vf_reply;
545 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
546 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
547 p_iov->bulletin.p_virt,
548 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
550 mutex_init(&p_iov->mutex);
552 p_hwfn->vf_iov_info = p_iov;
554 p_hwfn->hw_info.personality = QED_PCI_ETH;
556 rc = qed_vf_pf_acquire(p_hwfn);
558 /* If VF is 100g using a mapped bar and PF is too old to support that,
559 * acquisition would succeed - but the VF would have no way knowing
560 * the size of the doorbell bar configured in HW and thus will not
561 * know how to split it for 2nd hw-function.
562 * In this case we re-try without the indication of the mapped
565 if (!rc && p_iov->b_doorbell_bar &&
566 !qed_vf_hw_bar_size(p_hwfn, BAR_ID_1) &&
567 (p_hwfn->cdev->num_hwfns > 1)) {
568 rc = _qed_vf_pf_release(p_hwfn, false);
572 p_iov->b_doorbell_bar = false;
573 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
574 PXP_VF_BAR0_START_DQ;
575 rc = qed_vf_pf_acquire(p_hwfn);
578 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
579 "Regview [%p], Doorbell [%p], Device-doorbell [%p]\n",
580 p_hwfn->regview, p_hwfn->doorbells, p_hwfn->cdev->doorbells);
585 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
586 sizeof(union pfvf_tlvs),
587 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
589 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
590 sizeof(union vfpf_tlvs),
591 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
597 #define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
598 #define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
599 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
602 __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
603 struct qed_tunn_update_type *p_src,
604 enum qed_tunn_mode mask, u8 *p_cls)
606 if (p_src->b_update_mode) {
607 p_req->tun_mode_update_mask |= BIT(mask);
609 if (p_src->b_mode_enabled)
610 p_req->tunn_mode |= BIT(mask);
613 *p_cls = p_src->tun_cls;
617 qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
618 struct qed_tunn_update_type *p_src,
619 enum qed_tunn_mode mask,
620 u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
621 u8 *p_update_port, u16 *p_udp_port)
623 if (p_port->b_update_port) {
625 *p_udp_port = p_port->port;
628 __qed_vf_prep_tunn_req_tlv(p_req, p_src, mask, p_cls);
631 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
633 if (p_tun->vxlan.b_mode_enabled)
634 p_tun->vxlan.b_update_mode = true;
635 if (p_tun->l2_geneve.b_mode_enabled)
636 p_tun->l2_geneve.b_update_mode = true;
637 if (p_tun->ip_geneve.b_mode_enabled)
638 p_tun->ip_geneve.b_update_mode = true;
639 if (p_tun->l2_gre.b_mode_enabled)
640 p_tun->l2_gre.b_update_mode = true;
641 if (p_tun->ip_gre.b_mode_enabled)
642 p_tun->ip_gre.b_update_mode = true;
644 p_tun->b_update_rx_cls = true;
645 p_tun->b_update_tx_cls = true;
649 __qed_vf_update_tunn_param(struct qed_tunn_update_type *p_tun,
650 u16 feature_mask, u8 tunn_mode,
651 u8 tunn_cls, enum qed_tunn_mode val)
653 if (feature_mask & BIT(val)) {
654 p_tun->b_mode_enabled = tunn_mode;
655 p_tun->tun_cls = tunn_cls;
657 p_tun->b_mode_enabled = false;
661 static void qed_vf_update_tunn_param(struct qed_hwfn *p_hwfn,
662 struct qed_tunnel_info *p_tun,
663 struct pfvf_update_tunn_param_tlv *p_resp)
665 /* Update mode and classes provided by PF */
666 u16 feat_mask = p_resp->tunn_feature_mask;
668 __qed_vf_update_tunn_param(&p_tun->vxlan, feat_mask,
669 p_resp->vxlan_mode, p_resp->vxlan_clss,
670 QED_MODE_VXLAN_TUNN);
671 __qed_vf_update_tunn_param(&p_tun->l2_geneve, feat_mask,
672 p_resp->l2geneve_mode,
673 p_resp->l2geneve_clss,
674 QED_MODE_L2GENEVE_TUNN);
675 __qed_vf_update_tunn_param(&p_tun->ip_geneve, feat_mask,
676 p_resp->ipgeneve_mode,
677 p_resp->ipgeneve_clss,
678 QED_MODE_IPGENEVE_TUNN);
679 __qed_vf_update_tunn_param(&p_tun->l2_gre, feat_mask,
680 p_resp->l2gre_mode, p_resp->l2gre_clss,
681 QED_MODE_L2GRE_TUNN);
682 __qed_vf_update_tunn_param(&p_tun->ip_gre, feat_mask,
683 p_resp->ipgre_mode, p_resp->ipgre_clss,
684 QED_MODE_IPGRE_TUNN);
685 p_tun->geneve_port.port = p_resp->geneve_udp_port;
686 p_tun->vxlan_port.port = p_resp->vxlan_udp_port;
688 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
689 "tunn mode: vxlan=0x%x, l2geneve=0x%x, ipgeneve=0x%x, l2gre=0x%x, ipgre=0x%x",
690 p_tun->vxlan.b_mode_enabled, p_tun->l2_geneve.b_mode_enabled,
691 p_tun->ip_geneve.b_mode_enabled,
692 p_tun->l2_gre.b_mode_enabled, p_tun->ip_gre.b_mode_enabled);
695 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
696 struct qed_tunnel_info *p_src)
698 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
699 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
700 struct pfvf_update_tunn_param_tlv *p_resp;
701 struct vfpf_update_tunn_param_tlv *p_req;
704 p_req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UPDATE_TUNN_PARAM,
707 if (p_src->b_update_rx_cls && p_src->b_update_tx_cls)
708 p_req->update_tun_cls = 1;
710 qed_vf_prep_tunn_req_tlv(p_req, &p_src->vxlan, QED_MODE_VXLAN_TUNN,
711 &p_req->vxlan_clss, &p_src->vxlan_port,
712 &p_req->update_vxlan_port,
714 qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_geneve,
715 QED_MODE_L2GENEVE_TUNN,
716 &p_req->l2geneve_clss, &p_src->geneve_port,
717 &p_req->update_geneve_port,
718 &p_req->geneve_port);
719 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_geneve,
720 QED_MODE_IPGENEVE_TUNN,
721 &p_req->ipgeneve_clss);
722 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->l2_gre,
723 QED_MODE_L2GRE_TUNN, &p_req->l2gre_clss);
724 __qed_vf_prep_tunn_req_tlv(p_req, &p_src->ip_gre,
725 QED_MODE_IPGRE_TUNN, &p_req->ipgre_clss);
727 /* add list termination tlv */
728 qed_add_tlv(p_hwfn, &p_iov->offset,
729 CHANNEL_TLV_LIST_END,
730 sizeof(struct channel_list_end_tlv));
732 p_resp = &p_iov->pf2vf_reply->tunn_param_resp;
733 rc = qed_send_msg2pf(p_hwfn, &p_resp->hdr.status, sizeof(*p_resp));
738 if (p_resp->hdr.status != PFVF_STATUS_SUCCESS) {
739 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
740 "Failed to update tunnel parameters\n");
744 qed_vf_update_tunn_param(p_hwfn, p_tun, p_resp);
746 qed_vf_pf_req_end(p_hwfn, rc);
751 qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
752 struct qed_queue_cid *p_cid,
754 dma_addr_t bd_chain_phys_addr,
755 dma_addr_t cqe_pbl_addr,
756 u16 cqe_pbl_size, void __iomem **pp_prod)
758 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
759 struct pfvf_start_queue_resp_tlv *resp;
760 struct vfpf_start_rxq_tlv *req;
761 u8 rx_qid = p_cid->rel.queue_id;
764 /* clear mailbox and prep first tlv */
765 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
767 req->rx_qid = rx_qid;
768 req->cqe_pbl_addr = cqe_pbl_addr;
769 req->cqe_pbl_size = cqe_pbl_size;
770 req->rxq_addr = bd_chain_phys_addr;
771 req->hw_sb = p_cid->sb_igu_id;
772 req->sb_index = p_cid->sb_idx;
773 req->bd_max_bytes = bd_max_bytes;
776 /* If PF is legacy, we'll need to calculate producers ourselves
777 * as well as clean them.
779 if (p_iov->b_pre_fp_hsi) {
780 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
781 u32 init_prod_val = 0;
783 *pp_prod = (u8 __iomem *)
785 MSTORM_QZONE_START(p_hwfn->cdev) +
786 hw_qid * MSTORM_QZONE_SIZE;
788 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
789 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
790 (u32 *)(&init_prod_val));
793 qed_vf_pf_add_qid(p_hwfn, p_cid);
795 /* add list termination tlv */
796 qed_add_tlv(p_hwfn, &p_iov->offset,
797 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
799 resp = &p_iov->pf2vf_reply->queue_start;
800 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
804 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
809 /* Learn the address of the producer from the response */
810 if (!p_iov->b_pre_fp_hsi) {
811 u32 init_prod_val = 0;
813 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
814 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
815 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
816 rx_qid, *pp_prod, resp->offset);
818 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
819 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
820 (u32 *)&init_prod_val);
823 qed_vf_pf_req_end(p_hwfn, rc);
828 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
829 struct qed_queue_cid *p_cid, bool cqe_completion)
831 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
832 struct vfpf_stop_rxqs_tlv *req;
833 struct pfvf_def_resp_tlv *resp;
836 /* clear mailbox and prep first tlv */
837 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
839 req->rx_qid = p_cid->rel.queue_id;
841 req->cqe_completion = cqe_completion;
843 qed_vf_pf_add_qid(p_hwfn, p_cid);
845 /* add list termination tlv */
846 qed_add_tlv(p_hwfn, &p_iov->offset,
847 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
849 resp = &p_iov->pf2vf_reply->default_resp;
850 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
854 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
860 qed_vf_pf_req_end(p_hwfn, rc);
866 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
867 struct qed_queue_cid *p_cid,
869 u16 pbl_size, void __iomem **pp_doorbell)
871 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
872 struct pfvf_start_queue_resp_tlv *resp;
873 struct vfpf_start_txq_tlv *req;
874 u16 qid = p_cid->rel.queue_id;
877 /* clear mailbox and prep first tlv */
878 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
883 req->pbl_addr = pbl_addr;
884 req->pbl_size = pbl_size;
885 req->hw_sb = p_cid->sb_igu_id;
886 req->sb_index = p_cid->sb_idx;
888 qed_vf_pf_add_qid(p_hwfn, p_cid);
890 /* add list termination tlv */
891 qed_add_tlv(p_hwfn, &p_iov->offset,
892 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
894 resp = &p_iov->pf2vf_reply->queue_start;
895 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
899 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
904 /* Modern PFs provide the actual offsets, while legacy
905 * provided only the queue id.
907 if (!p_iov->b_pre_fp_hsi) {
908 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
910 u8 cid = p_iov->acquire_resp.resc.cid[qid];
912 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
917 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
918 "Txq[0x%02x.%02x]: doorbell at %p [offset 0x%08x]\n",
919 qid, p_cid->qid_usage_idx, *pp_doorbell, resp->offset);
921 qed_vf_pf_req_end(p_hwfn, rc);
926 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
928 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
929 struct vfpf_stop_txqs_tlv *req;
930 struct pfvf_def_resp_tlv *resp;
933 /* clear mailbox and prep first tlv */
934 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
936 req->tx_qid = p_cid->rel.queue_id;
939 qed_vf_pf_add_qid(p_hwfn, p_cid);
941 /* add list termination tlv */
942 qed_add_tlv(p_hwfn, &p_iov->offset,
943 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
945 resp = &p_iov->pf2vf_reply->default_resp;
946 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
950 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
956 qed_vf_pf_req_end(p_hwfn, rc);
961 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
964 u8 inner_vlan_removal,
965 enum qed_tpa_mode tpa_mode,
966 u8 max_buffers_per_cqe, u8 only_untagged)
968 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
969 struct vfpf_vport_start_tlv *req;
970 struct pfvf_def_resp_tlv *resp;
973 /* clear mailbox and prep first tlv */
974 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
977 req->vport_id = vport_id;
978 req->inner_vlan_removal = inner_vlan_removal;
979 req->tpa_mode = tpa_mode;
980 req->max_buffers_per_cqe = max_buffers_per_cqe;
981 req->only_untagged = only_untagged;
984 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++) {
985 struct qed_sb_info *p_sb = p_hwfn->vf_iov_info->sbs_info[i];
988 req->sb_addr[i] = p_sb->sb_phys;
991 /* add list termination tlv */
992 qed_add_tlv(p_hwfn, &p_iov->offset,
993 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
995 resp = &p_iov->pf2vf_reply->default_resp;
996 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1000 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1006 qed_vf_pf_req_end(p_hwfn, rc);
1011 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
1013 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1014 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1017 /* clear mailbox and prep first tlv */
1018 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
1019 sizeof(struct vfpf_first_tlv));
1021 /* add list termination tlv */
1022 qed_add_tlv(p_hwfn, &p_iov->offset,
1023 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1025 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1029 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1035 qed_vf_pf_req_end(p_hwfn, rc);
1041 qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
1042 struct qed_sp_vport_update_params *p_data,
1046 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
1047 return !!(p_data->update_vport_active_rx_flg ||
1048 p_data->update_vport_active_tx_flg);
1049 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
1050 return !!p_data->update_tx_switching_flg;
1051 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
1052 return !!p_data->update_inner_vlan_removal_flg;
1053 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
1054 return !!p_data->update_accept_any_vlan_flg;
1055 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
1056 return !!p_data->update_approx_mcast_flg;
1057 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
1058 return !!(p_data->accept_flags.update_rx_mode_config ||
1059 p_data->accept_flags.update_tx_mode_config);
1060 case CHANNEL_TLV_VPORT_UPDATE_RSS:
1061 return !!p_data->rss_params;
1062 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
1063 return !!p_data->sge_tpa_params;
1065 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
1072 qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
1073 struct qed_sp_vport_update_params *p_data)
1075 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1076 struct pfvf_def_resp_tlv *p_resp;
1079 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1080 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
1081 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
1084 p_resp = (struct pfvf_def_resp_tlv *)
1085 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
1087 if (p_resp && p_resp->hdr.status)
1088 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1089 "TLV[%d] Configuration %s\n",
1091 (p_resp && p_resp->hdr.status) ? "succeeded"
1096 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1097 struct qed_sp_vport_update_params *p_params)
1099 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1100 struct vfpf_vport_update_tlv *req;
1101 struct pfvf_def_resp_tlv *resp;
1102 u8 update_rx, update_tx;
1107 resp = &p_iov->pf2vf_reply->default_resp;
1108 resp_size = sizeof(*resp);
1110 update_rx = p_params->update_vport_active_rx_flg;
1111 update_tx = p_params->update_vport_active_tx_flg;
1113 /* clear mailbox and prep header tlv */
1114 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
1116 /* Prepare extended tlvs */
1117 if (update_rx || update_tx) {
1118 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1120 size = sizeof(struct vfpf_vport_update_activate_tlv);
1121 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1122 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
1124 resp_size += sizeof(struct pfvf_def_resp_tlv);
1127 p_act_tlv->update_rx = update_rx;
1128 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
1132 p_act_tlv->update_tx = update_tx;
1133 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
1137 if (p_params->update_tx_switching_flg) {
1138 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1140 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
1141 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1142 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1144 resp_size += sizeof(struct pfvf_def_resp_tlv);
1146 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
1149 if (p_params->update_approx_mcast_flg) {
1150 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1152 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
1153 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
1154 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
1155 resp_size += sizeof(struct pfvf_def_resp_tlv);
1157 memcpy(p_mcast_tlv->bins, p_params->bins,
1158 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1161 update_rx = p_params->accept_flags.update_rx_mode_config;
1162 update_tx = p_params->accept_flags.update_tx_mode_config;
1164 if (update_rx || update_tx) {
1165 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1167 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1168 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
1169 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1170 resp_size += sizeof(struct pfvf_def_resp_tlv);
1173 p_accept_tlv->update_rx_mode = update_rx;
1174 p_accept_tlv->rx_accept_filter =
1175 p_params->accept_flags.rx_accept_filter;
1179 p_accept_tlv->update_tx_mode = update_tx;
1180 p_accept_tlv->tx_accept_filter =
1181 p_params->accept_flags.tx_accept_filter;
1185 if (p_params->rss_params) {
1186 struct qed_rss_params *rss_params = p_params->rss_params;
1187 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
1190 size = sizeof(struct vfpf_vport_update_rss_tlv);
1191 p_rss_tlv = qed_add_tlv(p_hwfn,
1193 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
1194 resp_size += sizeof(struct pfvf_def_resp_tlv);
1196 if (rss_params->update_rss_config)
1197 p_rss_tlv->update_rss_flags |=
1198 VFPF_UPDATE_RSS_CONFIG_FLAG;
1199 if (rss_params->update_rss_capabilities)
1200 p_rss_tlv->update_rss_flags |=
1201 VFPF_UPDATE_RSS_CAPS_FLAG;
1202 if (rss_params->update_rss_ind_table)
1203 p_rss_tlv->update_rss_flags |=
1204 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
1205 if (rss_params->update_rss_key)
1206 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
1208 p_rss_tlv->rss_enable = rss_params->rss_enable;
1209 p_rss_tlv->rss_caps = rss_params->rss_caps;
1210 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
1212 table_size = min_t(int, T_ETH_INDIRECTION_TABLE_SIZE,
1213 1 << p_rss_tlv->rss_table_size_log);
1214 for (i = 0; i < table_size; i++) {
1215 struct qed_queue_cid *p_queue;
1217 p_queue = rss_params->rss_ind_table[i];
1218 p_rss_tlv->rss_ind_table[i] = p_queue->rel.queue_id;
1220 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
1221 sizeof(rss_params->rss_key));
1224 if (p_params->update_accept_any_vlan_flg) {
1225 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
1227 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
1228 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1229 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
1231 resp_size += sizeof(struct pfvf_def_resp_tlv);
1232 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
1233 p_any_vlan_tlv->update_accept_any_vlan_flg =
1234 p_params->update_accept_any_vlan_flg;
1237 /* add list termination tlv */
1238 qed_add_tlv(p_hwfn, &p_iov->offset,
1239 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1241 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
1245 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1250 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
1253 qed_vf_pf_req_end(p_hwfn, rc);
1258 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1260 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1261 struct pfvf_def_resp_tlv *resp;
1262 struct vfpf_first_tlv *req;
1265 /* clear mailbox and prep first tlv */
1266 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
1268 /* add list termination tlv */
1269 qed_add_tlv(p_hwfn, &p_iov->offset,
1270 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1272 resp = &p_iov->pf2vf_reply->default_resp;
1273 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1277 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1282 p_hwfn->b_int_enabled = 0;
1285 qed_vf_pf_req_end(p_hwfn, rc);
1290 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1291 struct qed_filter_mcast *p_filter_cmd)
1293 struct qed_sp_vport_update_params sp_params;
1296 memset(&sp_params, 0, sizeof(sp_params));
1297 sp_params.update_approx_mcast_flg = 1;
1299 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
1300 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
1303 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
1304 sp_params.bins[bit / 32] |= 1 << (bit % 32);
1308 qed_vf_pf_vport_update(p_hwfn, &sp_params);
1311 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1312 struct qed_filter_ucast *p_ucast)
1314 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1315 struct vfpf_ucast_filter_tlv *req;
1316 struct pfvf_def_resp_tlv *resp;
1319 /* clear mailbox and prep first tlv */
1320 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
1321 req->opcode = (u8) p_ucast->opcode;
1322 req->type = (u8) p_ucast->type;
1323 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
1324 req->vlan = p_ucast->vlan;
1326 /* add list termination tlv */
1327 qed_add_tlv(p_hwfn, &p_iov->offset,
1328 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1330 resp = &p_iov->pf2vf_reply->default_resp;
1331 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1335 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1341 qed_vf_pf_req_end(p_hwfn, rc);
1346 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1348 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1349 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1352 /* clear mailbox and prep first tlv */
1353 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1354 sizeof(struct vfpf_first_tlv));
1356 /* add list termination tlv */
1357 qed_add_tlv(p_hwfn, &p_iov->offset,
1358 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1360 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1364 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1370 qed_vf_pf_req_end(p_hwfn, rc);
1375 int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
1376 u16 *p_coal, struct qed_queue_cid *p_cid)
1378 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1379 struct pfvf_read_coal_resp_tlv *resp;
1380 struct vfpf_read_coal_req_tlv *req;
1383 /* clear mailbox and prep header tlv */
1384 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_READ, sizeof(*req));
1385 req->qid = p_cid->rel.queue_id;
1386 req->is_rx = p_cid->b_is_rx ? 1 : 0;
1388 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1389 sizeof(struct channel_list_end_tlv));
1390 resp = &p_iov->pf2vf_reply->read_coal_resp;
1392 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1396 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1399 *p_coal = resp->coal;
1401 qed_vf_pf_req_end(p_hwfn, rc);
1407 qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
1408 u16 rx_coal, u16 tx_coal, struct qed_queue_cid *p_cid)
1410 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1411 struct vfpf_update_coalesce *req;
1412 struct pfvf_def_resp_tlv *resp;
1415 /* clear mailbox and prep header tlv */
1416 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_COALESCE_UPDATE, sizeof(*req));
1418 req->rx_coal = rx_coal;
1419 req->tx_coal = tx_coal;
1420 req->qid = p_cid->rel.queue_id;
1424 "Setting coalesce rx_coal = %d, tx_coal = %d at queue = %d\n",
1425 rx_coal, tx_coal, req->qid);
1427 /* add list termination tlv */
1428 qed_add_tlv(p_hwfn, &p_iov->offset, CHANNEL_TLV_LIST_END,
1429 sizeof(struct channel_list_end_tlv));
1431 resp = &p_iov->pf2vf_reply->default_resp;
1432 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1436 if (resp->hdr.status != PFVF_STATUS_SUCCESS)
1440 p_hwfn->cdev->rx_coalesce_usecs = rx_coal;
1443 p_hwfn->cdev->tx_coalesce_usecs = tx_coal;
1446 qed_vf_pf_req_end(p_hwfn, rc);
1450 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1452 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1455 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1459 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1462 void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
1463 u16 sb_id, struct qed_sb_info *p_sb)
1465 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1468 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1472 if (sb_id >= PFVF_MAX_SBS_PER_VF) {
1473 DP_NOTICE(p_hwfn, "Can't configure SB %04x\n", sb_id);
1477 p_iov->sbs_info[sb_id] = p_sb;
1480 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1482 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1483 struct qed_bulletin_content shadow;
1486 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1489 /* Need to guarantee PF is not in the middle of writing it */
1490 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1492 /* If version did not update, no need to do anything */
1493 if (shadow.version == p_iov->bulletin_shadow.version)
1496 /* Verify the bulletin we see is valid */
1497 crc = crc32(0, (u8 *)&shadow + crc_size,
1498 p_iov->bulletin.size - crc_size);
1499 if (crc != shadow.crc)
1502 /* Set the shadow bulletin and process it */
1503 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1505 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1506 "Read a bulletin update %08x\n", shadow.version);
1513 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1514 struct qed_mcp_link_params *p_params,
1515 struct qed_bulletin_content *p_bulletin)
1517 memset(p_params, 0, sizeof(*p_params));
1519 p_params->speed.autoneg = p_bulletin->req_autoneg;
1520 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1521 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1522 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1523 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1524 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1525 p_params->loopback_mode = p_bulletin->req_loopback;
1528 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1529 struct qed_mcp_link_params *params)
1531 __qed_vf_get_link_params(p_hwfn, params,
1532 &(p_hwfn->vf_iov_info->bulletin_shadow));
1535 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1536 struct qed_mcp_link_state *p_link,
1537 struct qed_bulletin_content *p_bulletin)
1539 memset(p_link, 0, sizeof(*p_link));
1541 p_link->link_up = p_bulletin->link_up;
1542 p_link->speed = p_bulletin->speed;
1543 p_link->full_duplex = p_bulletin->full_duplex;
1544 p_link->an = p_bulletin->autoneg;
1545 p_link->an_complete = p_bulletin->autoneg_complete;
1546 p_link->parallel_detection = p_bulletin->parallel_detection;
1547 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1548 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1549 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1550 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1551 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1552 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1555 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1556 struct qed_mcp_link_state *link)
1558 __qed_vf_get_link_state(p_hwfn, link,
1559 &(p_hwfn->vf_iov_info->bulletin_shadow));
1562 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1563 struct qed_mcp_link_capabilities *p_link_caps,
1564 struct qed_bulletin_content *p_bulletin)
1566 memset(p_link_caps, 0, sizeof(*p_link_caps));
1567 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1570 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1571 struct qed_mcp_link_capabilities *p_link_caps)
1573 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1574 &(p_hwfn->vf_iov_info->bulletin_shadow));
1577 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1579 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1582 void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
1584 *num_txqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_txqs;
1587 void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
1589 *num_cids = p_hwfn->vf_iov_info->acquire_resp.resc.num_cids;
1592 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1595 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1598 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1600 struct qed_vf_iov *p_vf;
1602 p_vf = p_hwfn->vf_iov_info;
1603 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1606 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1608 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1610 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1613 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1615 struct qed_bulletin_content *bulletin;
1617 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1618 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1621 /* Forbid VF from changing a MAC enforced by PF */
1622 if (ether_addr_equal(bulletin->mac, mac))
1628 static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1629 u8 *dst_mac, u8 *p_is_forced)
1631 struct qed_bulletin_content *bulletin;
1633 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1635 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1638 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1645 ether_addr_copy(dst_mac, bulletin->mac);
1651 qed_vf_bulletin_get_udp_ports(struct qed_hwfn *p_hwfn,
1652 u16 *p_vxlan_port, u16 *p_geneve_port)
1654 struct qed_bulletin_content *p_bulletin;
1656 p_bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1658 *p_vxlan_port = p_bulletin->vxlan_udp_port;
1659 *p_geneve_port = p_bulletin->geneve_udp_port;
1662 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1663 u16 *fw_major, u16 *fw_minor,
1664 u16 *fw_rev, u16 *fw_eng)
1666 struct pf_vf_pfdev_info *info;
1668 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1670 *fw_major = info->fw_major;
1671 *fw_minor = info->fw_minor;
1672 *fw_rev = info->fw_rev;
1673 *fw_eng = info->fw_eng;
1676 static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1678 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1679 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1680 void *cookie = hwfn->cdev->ops_cookie;
1681 u16 vxlan_port, geneve_port;
1683 qed_vf_bulletin_get_udp_ports(hwfn, &vxlan_port, &geneve_port);
1684 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1686 if (is_mac_exist && cookie)
1687 ops->force_mac(cookie, mac, !!is_mac_forced);
1689 ops->ports_update(cookie, vxlan_port, geneve_port);
1691 /* Always update link configuration according to bulletin */
1692 qed_link_update(hwfn, NULL);
1695 void qed_iov_vf_task(struct work_struct *work)
1697 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1701 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1704 /* Handle bulletin board changes */
1705 qed_vf_read_bulletin(hwfn, &change);
1706 if (test_and_clear_bit(QED_IOV_WQ_VF_FORCE_LINK_QUERY_FLAG,
1707 &hwfn->iov_task_flags))
1710 qed_handle_bulletin_change(hwfn);
1712 /* As VF is polling bulletin board, need to constantly re-schedule */
1713 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);