projects / linux-2.6-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
net: fec: use pinctrl PM helpers
[linux-2.6-block.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_vfpf.c
CommitLineData
be1f1ffa
AE		 1/* bnx2x_vfpf.c: Broadcom Everest network driver.
2 *
247fa82b 3 * Copyright 2009-2013 Broadcom Corporation
be1f1ffa
AE		 4 *
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
9 *
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
13 * consent.
14 *
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17 * Ariel Elior <ariele@broadcom.com>
18 */
19
20#include "bnx2x.h"
6411280a 21#include "bnx2x_cmn.h"
b93288d5 22#include <linux/crc32.h>
be1f1ffa 23
a8f47eb7 24static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);
25
be1f1ffa 26/* place a given tlv on the tlv buffer at a given offset */
a8f47eb7 27static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,
28 u16 offset, u16 type, u16 length)
be1f1ffa
AE		 29{
30 struct channel_tlv *tl =
31 (struct channel_tlv *)(tlvs_list + offset);
32
33 tl->type = type;
34 tl->length = length;
35}
36
37/* Clear the mailbox and init the header of the first tlv */
a8f47eb7 38static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
39 u16 type, u16 length)
be1f1ffa 40{
1d6f3cd8
DK		 41 mutex_lock(&bp->vf2pf_mutex);
42
be1f1ffa
AE		 43 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
44 type);
45
46 /* Clear mailbox */
47 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
48
49 /* init type and length */
50 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
51
52 /* init first tlv header */
53 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
54}
55
1d6f3cd8 56/* releases the mailbox */
a8f47eb7 57static void bnx2x_vfpf_finalize(struct bnx2x *bp,
58 struct vfpf_first_tlv *first_tlv)
1d6f3cd8
DK		 59{
60 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
61 first_tlv->tl.type);
62
63 mutex_unlock(&bp->vf2pf_mutex);
64}
65
3d7d562c
YM		 66/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
67static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
68 enum channel_tlvs req_tlv)
69{
70 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
71
72 do {
73 if (tlv->type == req_tlv)
74 return tlv;
75
76 if (!tlv->length) {
77 BNX2X_ERR("Found TLV with length 0\n");
78 return NULL;
79 }
80
81 tlvs_list += tlv->length;
82 tlv = (struct channel_tlv *)tlvs_list;
83 } while (tlv->type != CHANNEL_TLV_LIST_END);
84
85 DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
86
87 return NULL;
88}
89
be1f1ffa 90/* list the types and lengths of the tlvs on the buffer */
a8f47eb7 91static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
be1f1ffa
AE		 92{
93 int i = 1;
94 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
95
96 while (tlv->type != CHANNEL_TLV_LIST_END) {
97 /* output tlv */
98 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
99 tlv->type, tlv->length);
100
101 /* advance to next tlv */
102 tlvs_list += tlv->length;
103
104 /* cast general tlv list pointer to channel tlv header*/
105 tlv = (struct channel_tlv *)tlvs_list;
106
107 i++;
108
109 /* break condition for this loop */
110 if (i > MAX_TLVS_IN_LIST) {
111 WARN(true, "corrupt tlvs");
112 return;
113 }
114 }
115
116 /* output last tlv */
117 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
118 tlv->type, tlv->length);
119}
b56e9670 120
fd1fc79d
AE		 121/* test whether we support a tlv type */
122bool bnx2x_tlv_supported(u16 tlvtype)
123{
124 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
125}
126
127static inline int bnx2x_pfvf_status_codes(int rc)
128{
129 switch (rc) {
130 case 0:
131 return PFVF_STATUS_SUCCESS;
132 case -ENOMEM:
133 return PFVF_STATUS_NO_RESOURCE;
134 default:
135 return PFVF_STATUS_FAILURE;
136 }
137}
138
732ac8ca 139static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
6411280a
AE		 140{
141 struct cstorm_vf_zone_data __iomem *zone_data =
142 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
78c3bcc5 143 int tout = 100, interval = 100; /* wait for 10 seconds */
6411280a
AE		 144
145 if (*done) {
146 BNX2X_ERR("done was non zero before message to pf was sent\n");
147 WARN_ON(true);
148 return -EINVAL;
149 }
150
78c3bcc5
AE		 151 /* if PF indicated channel is down avoid sending message. Return success
152 * so calling flow can continue
153 */
154 bnx2x_sample_bulletin(bp);
155 if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
156 DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
157 *done = PFVF_STATUS_SUCCESS;
ffa1cb96 158 return -EINVAL;
78c3bcc5
AE		 159 }
160
6411280a
AE		 161 /* Write message address */
162 writel(U64_LO(msg_mapping),
163 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
164 writel(U64_HI(msg_mapping),
165 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
166
167 /* make sure the address is written before FW accesses it */
168 wmb();
169
170 /* Trigger the PF FW */
171 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
172
173 /* Wait for PF to complete */
174 while ((tout >= 0) && (!*done)) {
175 msleep(interval);
176 tout -= 1;
177
178 /* progress indicator - HV can take its own sweet time in
179 * answering VFs...
180 */
181 DP_CONT(BNX2X_MSG_IOV, ".");
182 }
183
184 if (!*done) {
185 BNX2X_ERR("PF response has timed out\n");
186 return -EAGAIN;
187 }
188 DP(BNX2X_MSG_SP, "Got a response from PF\n");
189 return 0;
190}
191
732ac8ca 192static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
6411280a
AE		 193{
194 u32 me_reg;
195 int tout = 10, interval = 100; /* Wait for 1 sec */
196
197 do {
198 /* pxp traps vf read of doorbells and returns me reg value */
199 me_reg = readl(bp->doorbells);
200 if (GOOD_ME_REG(me_reg))
201 break;
202
203 msleep(interval);
204
205 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
206 me_reg);
207 } while (tout-- > 0);
208
209 if (!GOOD_ME_REG(me_reg)) {
210 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
211 return -EINVAL;
212 }
213
c047e070 214 DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);
6411280a
AE		 215
216 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
217
218 return 0;
219}
220
221int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
222{
223 int rc = 0, attempts = 0;
224 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
225 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
3d7d562c 226 struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
6411280a
AE		 227 u32 vf_id;
228 bool resources_acquired = false;
229
230 /* clear mailbox and prep first tlv */
231 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
232
1d6f3cd8
DK		 233 if (bnx2x_get_vf_id(bp, &vf_id)) {
234 rc = -EAGAIN;
235 goto out;
236 }
6411280a
AE		 237
238 req->vfdev_info.vf_id = vf_id;
239 req->vfdev_info.vf_os = 0;
240
241 req->resc_request.num_rxqs = rx_count;
242 req->resc_request.num_txqs = tx_count;
243 req->resc_request.num_sbs = bp->igu_sb_cnt;
244 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
245 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
246
247 /* pf 2 vf bulletin board address */
248 req->bulletin_addr = bp->pf2vf_bulletin_mapping;
249
3d7d562c
YM		 250 /* Request physical port identifier */
251 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
252 CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
253
6411280a 254 /* add list termination tlv */
3d7d562c
YM		 255 bnx2x_add_tlv(bp, req,
256 req->first_tlv.tl.length + sizeof(struct channel_tlv),
257 CHANNEL_TLV_LIST_END,
6411280a
AE		 258 sizeof(struct channel_list_end_tlv));
259
260 /* output tlvs list */
261 bnx2x_dp_tlv_list(bp, req);
262
263 while (!resources_acquired) {
264 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
265
266 /* send acquire request */
267 rc = bnx2x_send_msg2pf(bp,
268 &resp->hdr.status,
269 bp->vf2pf_mbox_mapping);
270
271 /* PF timeout */
272 if (rc)
1d6f3cd8 273 goto out;
6411280a
AE		 274
275 /* copy acquire response from buffer to bp */
276 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
277
278 attempts++;
279
16a5fd92 280 /* test whether the PF accepted our request. If not, humble
6411280a
AE		 281 * the request and try again.
282 */
283 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
284 DP(BNX2X_MSG_SP, "resources acquired\n");
285 resources_acquired = true;
286 } else if (bp->acquire_resp.hdr.status ==
287 PFVF_STATUS_NO_RESOURCE &&
288 attempts < VF_ACQUIRE_THRESH) {
289 DP(BNX2X_MSG_SP,
290 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
291
292 /* humble our request */
293 req->resc_request.num_txqs =
b9871bcf
AE		 294 min(req->resc_request.num_txqs,
295 bp->acquire_resp.resc.num_txqs);
6411280a 296 req->resc_request.num_rxqs =
b9871bcf
AE		 297 min(req->resc_request.num_rxqs,
298 bp->acquire_resp.resc.num_rxqs);
6411280a 299 req->resc_request.num_sbs =
b9871bcf
AE		 300 min(req->resc_request.num_sbs,
301 bp->acquire_resp.resc.num_sbs);
6411280a 302 req->resc_request.num_mac_filters =
b9871bcf
AE		 303 min(req->resc_request.num_mac_filters,
304 bp->acquire_resp.resc.num_mac_filters);
6411280a 305 req->resc_request.num_vlan_filters =
b9871bcf
AE		 306 min(req->resc_request.num_vlan_filters,
307 bp->acquire_resp.resc.num_vlan_filters);
6411280a 308 req->resc_request.num_mc_filters =
b9871bcf
AE		 309 min(req->resc_request.num_mc_filters,
310 bp->acquire_resp.resc.num_mc_filters);
6411280a
AE		 311
312 /* Clear response buffer */
313 memset(&bp->vf2pf_mbox->resp, 0,
314 sizeof(union pfvf_tlvs));
315 } else {
316 /* PF reports error */
317 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
318 bp->acquire_resp.hdr.status);
1d6f3cd8
DK		 319 rc = -EAGAIN;
320 goto out;
6411280a
AE		 321 }
322 }
323
3d7d562c
YM		 324 /* Retrieve physical port id (if possible) */
325 phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
326 bnx2x_search_tlv_list(bp, resp,
327 CHANNEL_TLV_PHYS_PORT_ID);
328 if (phys_port_resp) {
329 memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
330 bp->flags |= HAS_PHYS_PORT_ID;
331 }
332
6411280a
AE		 333 /* get HW info */
334 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
335 bp->link_params.chip_id = bp->common.chip_id;
336 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
337 bp->common.int_block = INT_BLOCK_IGU;
338 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
339 bp->igu_dsb_id = -1;
340 bp->mf_ov = 0;
341 bp->mf_mode = 0;
342 bp->common.flash_size = 0;
343 bp->flags |=
344 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
b9871bcf 345 bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
6411280a
AE		 346 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
347 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
348 sizeof(bp->fw_ver));
349
350 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
351 memcpy(bp->dev->dev_addr,
352 bp->acquire_resp.resc.current_mac_addr,
353 ETH_ALEN);
354
1d6f3cd8
DK		 355out:
356 bnx2x_vfpf_finalize(bp, &req->first_tlv);
357 return rc;
6411280a
AE		 358}
359
360int bnx2x_vfpf_release(struct bnx2x *bp)
361{
362 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
363 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
1d6f3cd8 364 u32 rc, vf_id;
6411280a
AE		 365
366 /* clear mailbox and prep first tlv */
367 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
368
1d6f3cd8
DK		 369 if (bnx2x_get_vf_id(bp, &vf_id)) {
370 rc = -EAGAIN;
371 goto out;
372 }
6411280a
AE		 373
374 req->vf_id = vf_id;
375
376 /* add list termination tlv */
377 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
378 sizeof(struct channel_list_end_tlv));
379
380 /* output tlvs list */
381 bnx2x_dp_tlv_list(bp, req);
382
383 /* send release request */
384 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
385
386 if (rc)
387 /* PF timeout */
1d6f3cd8
DK		 388 goto out;
389
6411280a
AE		 390 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
391 /* PF released us */
392 DP(BNX2X_MSG_SP, "vf released\n");
393 } else {
394 /* PF reports error */
6bf07b8e 395 BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
6411280a 396 resp->hdr.status);
1d6f3cd8
DK		 397 rc = -EAGAIN;
398 goto out;
6411280a 399 }
1d6f3cd8
DK		 400out:
401 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a 402
1d6f3cd8 403 return rc;
6411280a
AE		 404}
405
406/* Tell PF about SB addresses */
407int bnx2x_vfpf_init(struct bnx2x *bp)
408{
409 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
410 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
411 int rc, i;
412
413 /* clear mailbox and prep first tlv */
414 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
415
416 /* status blocks */
417 for_each_eth_queue(bp, i)
418 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
419 status_blk_mapping);
420
421 /* statistics - requests only supports single queue for now */
422 req->stats_addr = bp->fw_stats_data_mapping +
423 offsetof(struct bnx2x_fw_stats_data, queue_stats);
424
60cad4e6
AE		 425 req->stats_stride = sizeof(struct per_queue_stats);
426
6411280a
AE		 427 /* add list termination tlv */
428 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
429 sizeof(struct channel_list_end_tlv));
430
431 /* output tlvs list */
432 bnx2x_dp_tlv_list(bp, req);
433
434 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
435 if (rc)
1d6f3cd8 436 goto out;
6411280a
AE		 437
438 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
439 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
440 resp->hdr.status);
1d6f3cd8
DK		 441 rc = -EAGAIN;
442 goto out;
6411280a
AE		 443 }
444
445 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
1d6f3cd8
DK		 446out:
447 bnx2x_vfpf_finalize(bp, &req->first_tlv);
448
449 return rc;
6411280a
AE		 450}
451
452/* CLOSE VF - opposite to INIT_VF */
453void bnx2x_vfpf_close_vf(struct bnx2x *bp)
454{
455 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
456 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
457 int i, rc;
458 u32 vf_id;
459
460 /* If we haven't got a valid VF id, there is no sense to
461 * continue with sending messages
462 */
463 if (bnx2x_get_vf_id(bp, &vf_id))
464 goto free_irq;
465
466 /* Close the queues */
467 for_each_queue(bp, i)
468 bnx2x_vfpf_teardown_queue(bp, i);
469
f8f4f61a
DK		 470 /* remove mac */
471 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
472
6411280a
AE		 473 /* clear mailbox and prep first tlv */
474 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
475
476 req->vf_id = vf_id;
477
478 /* add list termination tlv */
479 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
480 sizeof(struct channel_list_end_tlv));
481
482 /* output tlvs list */
483 bnx2x_dp_tlv_list(bp, req);
484
485 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
486
487 if (rc)
488 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
489
490 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
491 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
492 resp->hdr.status);
493
1d6f3cd8
DK		 494 bnx2x_vfpf_finalize(bp, &req->first_tlv);
495
6411280a
AE		 496free_irq:
497 /* Disable HW interrupts, NAPI */
498 bnx2x_netif_stop(bp, 0);
499 /* Delete all NAPI objects */
500 bnx2x_del_all_napi(bp);
501
502 /* Release IRQs */
503 bnx2x_free_irq(bp);
504}
505
b9871bcf
AE		 506static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
507 struct bnx2x_vf_queue *q)
508{
509 u8 cl_id = vfq_cl_id(vf, q);
510 u8 func_id = FW_VF_HANDLE(vf->abs_vfid);
511
512 /* mac */
513 bnx2x_init_mac_obj(bp, &q->mac_obj,
514 cl_id, q->cid, func_id,
515 bnx2x_vf_sp(bp, vf, mac_rdata),
516 bnx2x_vf_sp_map(bp, vf, mac_rdata),
517 BNX2X_FILTER_MAC_PENDING,
518 &vf->filter_state,
519 BNX2X_OBJ_TYPE_RX_TX,
520 &bp->macs_pool);
521 /* vlan */
522 bnx2x_init_vlan_obj(bp, &q->vlan_obj,
523 cl_id, q->cid, func_id,
524 bnx2x_vf_sp(bp, vf, vlan_rdata),
525 bnx2x_vf_sp_map(bp, vf, vlan_rdata),
526 BNX2X_FILTER_VLAN_PENDING,
527 &vf->filter_state,
528 BNX2X_OBJ_TYPE_RX_TX,
529 &bp->vlans_pool);
530
531 /* mcast */
532 bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
533 q->cid, func_id, func_id,
534 bnx2x_vf_sp(bp, vf, mcast_rdata),
535 bnx2x_vf_sp_map(bp, vf, mcast_rdata),
536 BNX2X_FILTER_MCAST_PENDING,
537 &vf->filter_state,
538 BNX2X_OBJ_TYPE_RX_TX);
539
540 /* rss */
541 bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
542 func_id, func_id,
543 bnx2x_vf_sp(bp, vf, rss_rdata),
544 bnx2x_vf_sp_map(bp, vf, rss_rdata),
545 BNX2X_FILTER_RSS_CONF_PENDING,
546 &vf->filter_state,
547 BNX2X_OBJ_TYPE_RX_TX);
548
549 vf->leading_rss = cl_id;
550 q->is_leading = true;
3a3534ec 551 q->sp_initialized = true;
b9871bcf
AE		 552}
553
6411280a 554/* ask the pf to open a queue for the vf */
60cad4e6
AE		 555int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
556 bool is_leading)
6411280a
AE		 557{
558 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
559 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
60cad4e6 560 u8 fp_idx = fp->index;
6411280a
AE		 561 u16 tpa_agg_size = 0, flags = 0;
562 int rc;
563
564 /* clear mailbox and prep first tlv */
565 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
566
567 /* select tpa mode to request */
568 if (!fp->disable_tpa) {
569 flags |= VFPF_QUEUE_FLG_TPA;
570 flags |= VFPF_QUEUE_FLG_TPA_IPV6;
571 if (fp->mode == TPA_MODE_GRO)
572 flags |= VFPF_QUEUE_FLG_TPA_GRO;
573 tpa_agg_size = TPA_AGG_SIZE;
574 }
575
60cad4e6
AE		 576 if (is_leading)
577 flags |= VFPF_QUEUE_FLG_LEADING_RSS;
578
6411280a
AE		 579 /* calculate queue flags */
580 flags |= VFPF_QUEUE_FLG_STATS;
581 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
6411280a
AE		 582 flags |= VFPF_QUEUE_FLG_VLAN;
583 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
584
585 /* Common */
586 req->vf_qid = fp_idx;
587 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
588
589 /* Rx */
590 req->rxq.rcq_addr = fp->rx_comp_mapping;
591 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
592 req->rxq.rxq_addr = fp->rx_desc_mapping;
593 req->rxq.sge_addr = fp->rx_sge_mapping;
594 req->rxq.vf_sb = fp_idx;
595 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
596 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
597 req->rxq.mtu = bp->dev->mtu;
598 req->rxq.buf_sz = fp->rx_buf_size;
599 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
600 req->rxq.tpa_agg_sz = tpa_agg_size;
601 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
602 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
603 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
604 req->rxq.flags = flags;
605 req->rxq.drop_flags = 0;
606 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
607 req->rxq.stat_id = -1; /* No stats at the moment */
608
609 /* Tx */
610 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
611 req->txq.vf_sb = fp_idx;
612 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
613 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
614 req->txq.flags = flags;
615 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
616
617 /* add list termination tlv */
618 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
619 sizeof(struct channel_list_end_tlv));
620
621 /* output tlvs list */
622 bnx2x_dp_tlv_list(bp, req);
623
624 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
625 if (rc)
626 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
627 fp_idx);
628
629 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
630 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
631 fp_idx, resp->hdr.status);
1d6f3cd8 632 rc = -EINVAL;
6411280a 633 }
1d6f3cd8
DK		 634
635 bnx2x_vfpf_finalize(bp, &req->first_tlv);
636
6411280a
AE		 637 return rc;
638}
639
a8f47eb7 640static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
6411280a
AE		 641{
642 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
643 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
644 int rc;
645
646 /* clear mailbox and prep first tlv */
647 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
648 sizeof(*req));
649
650 req->vf_qid = qidx;
651
652 /* add list termination tlv */
653 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
654 sizeof(struct channel_list_end_tlv));
655
656 /* output tlvs list */
657 bnx2x_dp_tlv_list(bp, req);
658
659 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
660
661 if (rc) {
662 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
663 rc);
1d6f3cd8 664 goto out;
6411280a
AE		 665 }
666
667 /* PF failed the transaction */
668 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
669 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
670 resp->hdr.status);
1d6f3cd8 671 rc = -EINVAL;
6411280a
AE		 672 }
673
1d6f3cd8
DK		 674out:
675 bnx2x_vfpf_finalize(bp, &req->first_tlv);
2dc33bbc 676
1d6f3cd8 677 return rc;
6411280a
AE		 678}
679
680/* request pf to add a mac for the vf */
f8f4f61a 681int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
6411280a
AE		 682{
683 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
684 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
f8f4f61a 685 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
1d6f3cd8 686 int rc = 0;
6411280a
AE		 687
688 /* clear mailbox and prep first tlv */
689 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
690 sizeof(*req));
691
692 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
f8f4f61a 693 req->vf_qid = vf_qid;
6411280a 694 req->n_mac_vlan_filters = 1;
f8f4f61a
DK		 695
696 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
697 if (set)
698 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC;
6411280a
AE		 699
700 /* sample bulletin board for new mac */
701 bnx2x_sample_bulletin(bp);
702
703 /* copy mac from device to request */
f8f4f61a 704 memcpy(req->filters[0].mac, addr, ETH_ALEN);
6411280a
AE		 705
706 /* add list termination tlv */
707 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
708 sizeof(struct channel_list_end_tlv));
709
710 /* output tlvs list */
711 bnx2x_dp_tlv_list(bp, req);
712
713 /* send message to pf */
714 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
715 if (rc) {
716 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
1d6f3cd8 717 goto out;
6411280a
AE		 718 }
719
720 /* failure may mean PF was configured with a new mac for us */
721 while (resp->hdr.status == PFVF_STATUS_FAILURE) {
722 DP(BNX2X_MSG_IOV,
723 "vfpf SET MAC failed. Check bulletin board for new posts\n");
724
f8f4f61a
DK		 725 /* copy mac from bulletin to device */
726 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
727
6411280a
AE		 728 /* check if bulletin board was updated */
729 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
730 /* copy mac from device to request */
731 memcpy(req->filters[0].mac, bp->dev->dev_addr,
732 ETH_ALEN);
733
734 /* send message to pf */
735 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
736 bp->vf2pf_mbox_mapping);
737 } else {
738 /* no new info in bulletin */
739 break;
740 }
741 }
742
743 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
744 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
1d6f3cd8 745 rc = -EINVAL;
6411280a 746 }
1d6f3cd8
DK		 747out:
748 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a 749
02948344 750 return rc;
6411280a
AE		 751}
752
60cad4e6
AE		 753/* request pf to config rss table for vf queues*/
754int bnx2x_vfpf_config_rss(struct bnx2x *bp,
755 struct bnx2x_config_rss_params *params)
756{
757 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
758 struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
759 int rc = 0;
760
761 /* clear mailbox and prep first tlv */
762 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
763 sizeof(*req));
764
765 /* add list termination tlv */
766 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
767 sizeof(struct channel_list_end_tlv));
768
769 memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
770 memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
771 req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
772 req->rss_key_size = T_ETH_RSS_KEY;
773 req->rss_result_mask = params->rss_result_mask;
774
775 /* flags handled individually for backward/forward compatability */
776 if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
777 req->rss_flags |= VFPF_RSS_MODE_DISABLED;
778 if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
779 req->rss_flags |= VFPF_RSS_MODE_REGULAR;
780 if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
781 req->rss_flags |= VFPF_RSS_SET_SRCH;
782 if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
783 req->rss_flags |= VFPF_RSS_IPV4;
784 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
785 req->rss_flags |= VFPF_RSS_IPV4_TCP;
786 if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
787 req->rss_flags |= VFPF_RSS_IPV4_UDP;
788 if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
789 req->rss_flags |= VFPF_RSS_IPV6;
790 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
791 req->rss_flags |= VFPF_RSS_IPV6_TCP;
792 if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
793 req->rss_flags |= VFPF_RSS_IPV6_UDP;
794
795 DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);
796
797 /* output tlvs list */
798 bnx2x_dp_tlv_list(bp, req);
799
800 /* send message to pf */
801 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
802 if (rc) {
803 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
804 goto out;
805 }
806
807 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
31b3523c
YM		 808 /* Since older drivers don't support this feature (and VF has
809 * no way of knowing other than failing this), don't propagate
810 * an error in this case.
811 */
812 DP(BNX2X_MSG_IOV,
813 "Failed to send rss message to PF over VF-PF channel [%d]\n",
814 resp->hdr.status);
60cad4e6
AE		 815 }
816out:
817 bnx2x_vfpf_finalize(bp, &req->first_tlv);
818
31b3523c 819 return rc;
60cad4e6
AE		 820}
821
6411280a
AE		 822int bnx2x_vfpf_set_mcast(struct net_device *dev)
823{
824 struct bnx2x *bp = netdev_priv(dev);
825 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
826 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
827 int rc, i = 0;
828 struct netdev_hw_addr *ha;
829
830 if (bp->state != BNX2X_STATE_OPEN) {
831 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
832 return -EINVAL;
833 }
834
835 /* clear mailbox and prep first tlv */
836 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
837 sizeof(*req));
838
839 /* Get Rx mode requested */
840 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
841
842 netdev_for_each_mc_addr(ha, dev) {
843 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
844 bnx2x_mc_addr(ha));
845 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
846 i++;
847 }
848
849 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
850 * addresses tops
851 */
852 if (i >= PFVF_MAX_MULTICAST_PER_VF) {
853 DP(NETIF_MSG_IFUP,
854 "VF supports not more than %d multicast MAC addresses\n",
855 PFVF_MAX_MULTICAST_PER_VF);
856 return -EINVAL;
857 }
858
859 req->n_multicast = i;
860 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
861 req->vf_qid = 0;
862
863 /* add list termination tlv */
864 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
865 sizeof(struct channel_list_end_tlv));
866
867 /* output tlvs list */
868 bnx2x_dp_tlv_list(bp, req);
869 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
870 if (rc) {
871 BNX2X_ERR("Sending a message failed: %d\n", rc);
1d6f3cd8 872 goto out;
6411280a
AE		 873 }
874
875 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
876 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
877 resp->hdr.status);
1d6f3cd8 878 rc = -EINVAL;
6411280a 879 }
1d6f3cd8
DK		 880out:
881 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 882
883 return 0;
884}
885
886int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
887{
888 int mode = bp->rx_mode;
889 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
890 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
891 int rc;
892
893 /* clear mailbox and prep first tlv */
894 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
895 sizeof(*req));
896
897 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
898
16bd41dd
YM		 899 /* Ignore everything accept MODE_NONE */
900 if (mode == BNX2X_RX_MODE_NONE) {
6411280a 901 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
16bd41dd
YM		 902 } else {
903 /* Current PF driver will not look at the specific flags,
904 * but they are required when working with older drivers on hv.
905 */
6411280a
AE		 906 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
907 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
908 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
6411280a
AE		 909 }
910
911 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
912 req->vf_qid = 0;
913
914 /* add list termination tlv */
915 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
916 sizeof(struct channel_list_end_tlv));
917
918 /* output tlvs list */
919 bnx2x_dp_tlv_list(bp, req);
920
921 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
922 if (rc)
923 BNX2X_ERR("Sending a message failed: %d\n", rc);
924
925 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
926 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
1d6f3cd8 927 rc = -EINVAL;
6411280a 928 }
16bd41dd 929
1d6f3cd8 930 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 931
932 return rc;
933}
934
b56e9670
AE		 935/* General service functions */
936static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
937{
938 u32 addr = BAR_CSTRORM_INTMEM +
939 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
940
941 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
942}
943
944static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
945{
946 u32 addr = BAR_CSTRORM_INTMEM +
947 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
948
949 REG_WR8(bp, addr, 1);
950}
951
952static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp)
953{
954 int i;
955
956 for_each_vf(bp, i)
957 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid));
958}
959
16a5fd92 960/* enable vf_pf mailbox (aka vf-pf-channel) */
b56e9670
AE		 961void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
962{
963 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
964
965 /* enable the mailbox in the FW */
966 storm_memset_vf_mbx_ack(bp, abs_vfid);
967 storm_memset_vf_mbx_valid(bp, abs_vfid);
968
969 /* enable the VF access to the mailbox */
970 bnx2x_vf_enable_access(bp, abs_vfid);
971}
fd1fc79d
AE		 972
973/* this works only on !E1h */
974static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
975 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
976 u32 vf_addr_lo, u32 len32)
977{
978 struct dmae_command dmae;
979
980 if (CHIP_IS_E1x(bp)) {
981 BNX2X_ERR("Chip revision does not support VFs\n");
982 return DMAE_NOT_RDY;
983 }
984
985 if (!bp->dmae_ready) {
986 BNX2X_ERR("DMAE is not ready, can not copy\n");
987 return DMAE_NOT_RDY;
988 }
989
990 /* set opcode and fixed command fields */
991 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
992
993 if (from_vf) {
994 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
995 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
996 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
997
998 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
999
1000 dmae.src_addr_lo = vf_addr_lo;
1001 dmae.src_addr_hi = vf_addr_hi;
1002 dmae.dst_addr_lo = U64_LO(pf_addr);
1003 dmae.dst_addr_hi = U64_HI(pf_addr);
1004 } else {
1005 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
1006 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
1007 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
1008
1009 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
1010
1011 dmae.src_addr_lo = U64_LO(pf_addr);
1012 dmae.src_addr_hi = U64_HI(pf_addr);
1013 dmae.dst_addr_lo = vf_addr_lo;
1014 dmae.dst_addr_hi = vf_addr_hi;
1015 }
1016 dmae.len = len32;
fd1fc79d
AE		 1017
1018 /* issue the command and wait for completion */
32316a46 1019 return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
fd1fc79d
AE		 1020}
1021
3d7d562c
YM		 1022static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
1023 struct bnx2x_virtf *vf)
8ca5e17e
AE		 1024{
1025 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
8ca5e17e 1026 u16 length, type;
8ca5e17e
AE		 1027
1028 /* prepare response */
1029 type = mbx->first_tlv.tl.type;
1030 length = type == CHANNEL_TLV_ACQUIRE ?
1031 sizeof(struct pfvf_acquire_resp_tlv) :
1032 sizeof(struct pfvf_general_resp_tlv);
3d7d562c
YM		 1033 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
1034 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
8ca5e17e 1035 sizeof(struct channel_list_end_tlv));
3d7d562c
YM		 1036}
1037
1038static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
2dc33bbc
YM		 1039 struct bnx2x_virtf *vf,
1040 int vf_rc)
3d7d562c
YM		 1041{
1042 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
1043 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
1044 dma_addr_t pf_addr;
1045 u64 vf_addr;
1046 int rc;
1047
8ca5e17e
AE		 1048 bnx2x_dp_tlv_list(bp, resp);
1049 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1050 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1051
2dc33bbc 1052 resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc);
3d7d562c 1053
8ca5e17e
AE		 1054 /* send response */
1055 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
1056 mbx->first_tlv.resp_msg_offset;
1057 pf_addr = mbx->msg_mapping +
1058 offsetof(struct bnx2x_vf_mbx_msg, resp);
1059
3d7d562c
YM		 1060 /* Copy the response buffer. The first u64 is written afterwards, as
1061 * the vf is sensitive to the header being written
8ca5e17e 1062 */
3d7d562c
YM		 1063 vf_addr += sizeof(u64);
1064 pf_addr += sizeof(u64);
1065 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1066 U64_HI(vf_addr),
1067 U64_LO(vf_addr),
1068 (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
1069 if (rc) {
1070 BNX2X_ERR("Failed to copy response body to VF %d\n",
1071 vf->abs_vfid);
1072 goto mbx_error;
8ca5e17e 1073 }
3d7d562c
YM		 1074 vf_addr -= sizeof(u64);
1075 pf_addr -= sizeof(u64);
8ca5e17e
AE		 1076
1077 /* ack the FW */
1078 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1079 mmiowb();
1080
8ca5e17e
AE		 1081 /* copy the response header including status-done field,
1082 * must be last dmae, must be after FW is acked
1083 */
1084 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
1085 U64_HI(vf_addr),
1086 U64_LO(vf_addr),
1087 sizeof(u64)/4);
1088
1089 /* unlock channel mutex */
1090 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1091
1092 if (rc) {
1093 BNX2X_ERR("Failed to copy response status to VF %d\n",
1094 vf->abs_vfid);
f1929b01 1095 goto mbx_error;
8ca5e17e
AE		 1096 }
1097 return;
f1929b01
AE		 1098
1099mbx_error:
2dc33bbc 1100 bnx2x_vf_release(bp, vf);
8ca5e17e
AE		 1101}
1102
3d7d562c 1103static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
2dc33bbc
YM		 1104 struct bnx2x_virtf *vf,
1105 int rc)
3d7d562c
YM		 1106{
1107 bnx2x_vf_mbx_resp_single_tlv(bp, vf);
2dc33bbc 1108 bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);
3d7d562c
YM		 1109}
1110
1111static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
1112 struct bnx2x_virtf *vf,
1113 void *buffer,
1114 u16 *offset)
1115{
1116 struct vfpf_port_phys_id_resp_tlv *port_id;
1117
1118 if (!(bp->flags & HAS_PHYS_PORT_ID))
1119 return;
1120
1121 bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
1122 sizeof(struct vfpf_port_phys_id_resp_tlv));
1123
1124 port_id = (struct vfpf_port_phys_id_resp_tlv *)
1125 (((u8 *)buffer) + *offset);
1126 memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
1127
1128 /* Offset should continue representing the offset to the tail
1129 * of TLV data (outside this function scope)
1130 */
1131 *offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
1132}
1133
8ca5e17e
AE		 1134static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
1135 struct bnx2x_vf_mbx *mbx, int vfop_status)
1136{
1137 int i;
1138 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
1139 struct pf_vf_resc *resc = &resp->resc;
1140 u8 status = bnx2x_pfvf_status_codes(vfop_status);
3d7d562c 1141 u16 length;
8ca5e17e
AE		 1142
1143 memset(resp, 0, sizeof(*resp));
1144
1145 /* fill in pfdev info */
1146 resp->pfdev_info.chip_num = bp->common.chip_id;
b9871bcf 1147 resp->pfdev_info.db_size = bp->db_size;
8ca5e17e
AE		 1148 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
1149 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
14a94ebd
MK		 1150 PFVF_CAP_TPA |
1151 PFVF_CAP_TPA_UPDATE);
8ca5e17e
AE		 1152 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
1153 sizeof(resp->pfdev_info.fw_ver));
1154
1155 if (status == PFVF_STATUS_NO_RESOURCE ||
1156 status == PFVF_STATUS_SUCCESS) {
1157 /* set resources numbers, if status equals NO_RESOURCE these
1158 * are max possible numbers
1159 */
1160 resc->num_rxqs = vf_rxq_count(vf) ? :
1161 bnx2x_vf_max_queue_cnt(bp, vf);
1162 resc->num_txqs = vf_txq_count(vf) ? :
1163 bnx2x_vf_max_queue_cnt(bp, vf);
1164 resc->num_sbs = vf_sb_count(vf);
1165 resc->num_mac_filters = vf_mac_rules_cnt(vf);
1a3d9424 1166 resc->num_vlan_filters = vf_vlan_rules_visible_cnt(vf);
8ca5e17e
AE		 1167 resc->num_mc_filters = 0;
1168
1169 if (status == PFVF_STATUS_SUCCESS) {
abc5a021
AE		 1170 /* fill in the allocated resources */
1171 struct pf_vf_bulletin_content *bulletin =
1172 BP_VF_BULLETIN(bp, vf->index);
1173
8ca5e17e
AE		 1174 for_each_vfq(vf, i)
1175 resc->hw_qid[i] =
1176 vfq_qzone_id(vf, vfq_get(vf, i));
1177
1178 for_each_vf_sb(vf, i) {
1179 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
1180 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
1181 }
abc5a021
AE		 1182
1183 /* if a mac has been set for this vf, supply it */
1184 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1185 memcpy(resc->current_mac_addr, bulletin->mac,
1186 ETH_ALEN);
1187 }
8ca5e17e
AE		 1188 }
1189 }
1190
1191 DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n"
1192 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
1193 vf->abs_vfid,
1194 resp->pfdev_info.chip_num,
1195 resp->pfdev_info.db_size,
1196 resp->pfdev_info.indices_per_sb,
1197 resp->pfdev_info.pf_cap,
1198 resc->num_rxqs,
1199 resc->num_txqs,
1200 resc->num_sbs,
1201 resc->num_mac_filters,
1202 resc->num_vlan_filters,
1203 resc->num_mc_filters,
1204 resp->pfdev_info.fw_ver);
1205
1206 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1207 for (i = 0; i < vf_rxq_count(vf); i++)
1208 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1209 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1210 for (i = 0; i < vf_sb_count(vf); i++)
1211 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1212 resc->hw_sbs[i].hw_sb_id,
1213 resc->hw_sbs[i].sb_qid);
1214 DP_CONT(BNX2X_MSG_IOV, "]\n");
1215
3d7d562c
YM		 1216 /* prepare response */
1217 length = sizeof(struct pfvf_acquire_resp_tlv);
1218 bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
1219
1220 /* Handle possible VF requests for physical port identifiers.
1221 * 'length' should continue to indicate the offset of the first empty
1222 * place in the buffer (i.e., where next TLV should be inserted)
1223 */
1224 if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
1225 CHANNEL_TLV_PHYS_PORT_ID))
1226 bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
1227
1228 bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
1229 sizeof(struct channel_list_end_tlv));
1230
8ca5e17e 1231 /* send the response */
2dc33bbc 1232 bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);
8ca5e17e
AE		 1233}
1234
1235static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1236 struct bnx2x_vf_mbx *mbx)
1237{
1238 int rc;
1239 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1240
1241 /* log vfdef info */
1242 DP(BNX2X_MSG_IOV,
1243 "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n",
1244 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1245 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1246 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1247 acquire->resc_request.num_vlan_filters,
1248 acquire->resc_request.num_mc_filters);
1249
1250 /* acquire the resources */
1251 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1252
abc5a021
AE		 1253 /* store address of vf's bulletin board */
1254 vf->bulletin_map = acquire->bulletin_addr;
1255
8ca5e17e
AE		 1256 /* response */
1257 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1258}
1259
b93288d5
AE		 1260static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1261 struct bnx2x_vf_mbx *mbx)
1262{
1263 struct vfpf_init_tlv *init = &mbx->msg->req.init;
2dc33bbc 1264 int rc;
b93288d5
AE		 1265
1266 /* record ghost addresses from vf message */
1267 vf->spq_map = init->spq_addr;
1268 vf->fw_stat_map = init->stats_addr;
b9871bcf 1269 vf->stats_stride = init->stats_stride;
2dc33bbc 1270 rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
b93288d5 1271
b9871bcf
AE		 1272 /* set VF multiqueue statistics collection mode */
1273 if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
1274 vf->cfg_flags |= VF_CFG_STATS_COALESCE;
1275
b93288d5 1276 /* response */
2dc33bbc 1277 bnx2x_vf_mbx_resp(bp, vf, rc);
b93288d5
AE		 1278}
1279
8db573ba 1280/* convert MBX queue-flags to standard SP queue-flags */
21776537 1281static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
8db573ba
AE		 1282 unsigned long *sp_q_flags)
1283{
1284 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1285 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1286 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1287 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1288 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1289 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1290 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1291 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
8db573ba
AE		 1292 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1293 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1294 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1295 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1296 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1297 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1298 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1299 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
b9871bcf
AE		 1300 if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
1301 __set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);
21776537 1302
16a5fd92 1303 /* outer vlan removal is set according to PF's multi function mode */
21776537
AE		 1304 if (IS_MF_SD(bp))
1305 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
8db573ba
AE		 1306}
1307
1308static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1309 struct bnx2x_vf_mbx *mbx)
1310{
1311 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
2dc33bbc
YM		 1312 struct bnx2x_vf_queue_construct_params qctor;
1313 int rc = 0;
8db573ba
AE		 1314
1315 /* verify vf_qid */
1316 if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1317 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1318 setup_q->vf_qid, vf_rxq_count(vf));
2dc33bbc 1319 rc = -EINVAL;
8db573ba
AE		 1320 goto response;
1321 }
1322
1323 /* tx queues must be setup alongside rx queues thus if the rx queue
1324 * is not marked as valid there's nothing to do.
1325 */
1326 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1327 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1328 unsigned long q_type = 0;
1329
1330 struct bnx2x_queue_init_params *init_p;
1331 struct bnx2x_queue_setup_params *setup_p;
1332
b9871bcf
AE		 1333 if (bnx2x_vfq_is_leading(q))
1334 bnx2x_leading_vfq_init(bp, vf, q);
1335
16a5fd92 1336 /* re-init the VF operation context */
2dc33bbc
YM		 1337 memset(&qctor, 0 ,
1338 sizeof(struct bnx2x_vf_queue_construct_params));
1339 setup_p = &qctor.prep_qsetup;
1340 init_p = &qctor.qstate.params.init;
8db573ba
AE		 1341
1342 /* activate immediately */
1343 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1344
1345 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1346 struct bnx2x_txq_setup_params *txq_params =
1347 &setup_p->txq_params;
1348
1349 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1350
1351 /* save sb resource index */
1352 q->sb_idx = setup_q->txq.vf_sb;
1353
1354 /* tx init */
1355 init_p->tx.hc_rate = setup_q->txq.hc_rate;
1356 init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1357
21776537 1358 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1359 &init_p->tx.flags);
1360
1361 /* tx setup - flags */
21776537 1362 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1363 &setup_p->flags);
1364
1365 /* tx setup - general, nothing */
1366
1367 /* tx setup - tx */
1368 txq_params->dscr_map = setup_q->txq.txq_addr;
1369 txq_params->sb_cq_index = setup_q->txq.sb_index;
1370 txq_params->traffic_type = setup_q->txq.traffic_type;
1371
1372 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1373 q->index, q->sb_idx);
1374 }
1375
1376 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1377 struct bnx2x_rxq_setup_params *rxq_params =
1378 &setup_p->rxq_params;
1379
1380 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1381
1382 /* Note: there is no support for different SBs
1383 * for TX and RX
1384 */
1385 q->sb_idx = setup_q->rxq.vf_sb;
1386
1387 /* rx init */
1388 init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1389 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
21776537 1390 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1391 &init_p->rx.flags);
1392
1393 /* rx setup - flags */
21776537 1394 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1395 &setup_p->flags);
1396
1397 /* rx setup - general */
1398 setup_p->gen_params.mtu = setup_q->rxq.mtu;
1399
1400 /* rx setup - rx */
1401 rxq_params->drop_flags = setup_q->rxq.drop_flags;
1402 rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1403 rxq_params->sge_map = setup_q->rxq.sge_addr;
1404 rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1405 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1406 rxq_params->buf_sz = setup_q->rxq.buf_sz;
1407 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1408 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1409 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1410 rxq_params->cache_line_log =
1411 setup_q->rxq.cache_line_log;
1412 rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1413
858f4deb
YM		 1414 /* rx setup - multicast engine */
1415 if (bnx2x_vfq_is_leading(q)) {
1416 u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);
1417
1418 rxq_params->mcast_engine_id = mcast_id;
1419 __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
1420 }
1421
8db573ba
AE		 1422 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1423 q->index, q->sb_idx);
1424 }
1425 /* complete the preparations */
2dc33bbc 1426 bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);
8db573ba 1427
2dc33bbc
YM		 1428 rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);
1429 if (rc)
8db573ba 1430 goto response;
8db573ba
AE		 1431 }
1432response:
2dc33bbc 1433 bnx2x_vf_mbx_resp(bp, vf, rc);
8db573ba
AE		 1434}
1435
954ea748
AE		 1436static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1437 struct bnx2x_virtf *vf,
1438 struct vfpf_set_q_filters_tlv *tlv,
2dc33bbc 1439 struct bnx2x_vf_mac_vlan_filters **pfl,
954ea748
AE		 1440 u32 type_flag)
1441{
1442 int i, j;
2dc33bbc 1443 struct bnx2x_vf_mac_vlan_filters *fl = NULL;
954ea748
AE		 1444 size_t fsz;
1445
2dc33bbc
YM		 1446 fsz = tlv->n_mac_vlan_filters *
1447 sizeof(struct bnx2x_vf_mac_vlan_filter) +
1448 sizeof(struct bnx2x_vf_mac_vlan_filters);
954ea748
AE		 1449
1450 fl = kzalloc(fsz, GFP_KERNEL);
1451 if (!fl)
1452 return -ENOMEM;
1453
954ea748
AE		 1454 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1455 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1456
1457 if ((msg_filter->flags & type_flag) != type_flag)
1458 continue;
1459 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) {
1460 fl->filters[j].mac = msg_filter->mac;
2dc33bbc 1461 fl->filters[j].type = BNX2X_VF_FILTER_MAC;
954ea748
AE		 1462 } else {
1463 fl->filters[j].vid = msg_filter->vlan_tag;
2dc33bbc 1464 fl->filters[j].type = BNX2X_VF_FILTER_VLAN;
954ea748
AE		 1465 }
1466 fl->filters[j].add =
1467 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ?
1468 true : false;
2dc33bbc 1469 fl->count++;
954ea748 1470 }
2dc33bbc 1471 if (!fl->count)
954ea748
AE		 1472 kfree(fl);
1473 else
1474 *pfl = fl;
1475
1476 return 0;
1477}
1478
1479static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1480 struct vfpf_q_mac_vlan_filter *filter)
1481{
1482 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1483 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1484 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1485 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1486 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1487 DP_CONT(msglvl, "\n");
1488}
1489
1490static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1491 struct vfpf_set_q_filters_tlv *filters)
1492{
1493 int i;
1494
1495 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1496 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1497 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1498 &filters->filters[i]);
1499
1500 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1501 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1502
1503 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1504 for (i = 0; i < filters->n_multicast; i++)
1505 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1506}
1507
1508#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
1509#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
1510
2dc33bbc 1511static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
954ea748 1512{
2dc33bbc 1513 int rc = 0;
954ea748
AE		 1514
1515 struct vfpf_set_q_filters_tlv *msg =
1516 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1517
2dc33bbc
YM		 1518 /* check for any mac/vlan changes */
1519 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1520 /* build mac list */
1521 struct bnx2x_vf_mac_vlan_filters *fl = NULL;
954ea748 1522
2dc33bbc
YM		 1523 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1524 VFPF_MAC_FILTER);
1525 if (rc)
1526 goto op_err;
954ea748 1527
2dc33bbc 1528 if (fl) {
954ea748 1529
2dc33bbc
YM		 1530 /* set mac list */
1531 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1532 msg->vf_qid,
1533 false);
1534 if (rc)
954ea748 1535 goto op_err;
954ea748 1536 }
954ea748 1537
2dc33bbc
YM		 1538 /* build vlan list */
1539 fl = NULL;
954ea748 1540
2dc33bbc
YM		 1541 rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1542 VFPF_VLAN_FILTER);
1543 if (rc)
1544 goto op_err;
1545
1546 if (fl) {
1547 /* set vlan list */
1548 rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
1549 msg->vf_qid,
1550 false);
1551 if (rc)
954ea748 1552 goto op_err;
954ea748 1553 }
2dc33bbc 1554 }
954ea748 1555
2dc33bbc
YM		 1556 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1557 unsigned long accept = 0;
1558 struct pf_vf_bulletin_content *bulletin =
1559 BP_VF_BULLETIN(bp, vf->index);
954ea748 1560
16bd41dd
YM		 1561 /* Ignore VF requested mode; instead set a regular mode */
1562 if (msg->rx_mask != VFPF_RX_MASK_ACCEPT_NONE) {
2dc33bbc 1563 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
2dc33bbc 1564 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
2dc33bbc 1565 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
16bd41dd 1566 }
954ea748 1567
2dc33bbc
YM		 1568 /* A packet arriving the vf's mac should be accepted
1569 * with any vlan, unless a vlan has already been
1570 * configured.
1571 */
1572 if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)))
1573 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
954ea748 1574
2dc33bbc
YM		 1575 /* set rx-mode */
1576 rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);
1577 if (rc)
1578 goto op_err;
954ea748 1579 }
954ea748 1580
2dc33bbc
YM		 1581 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1582 /* set mcasts */
1583 rc = bnx2x_vf_mcast(bp, vf, msg->multicast,
1584 msg->n_multicast, false);
1585 if (rc)
1586 goto op_err;
954ea748 1587 }
2dc33bbc
YM		 1588op_err:
1589 if (rc)
1590 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1591 vf->abs_vfid, msg->vf_qid, rc);
1592 return rc;
954ea748
AE		 1593}
1594
ba72f32c
YM		 1595static int bnx2x_filters_validate_mac(struct bnx2x *bp,
1596 struct bnx2x_virtf *vf,
1597 struct vfpf_set_q_filters_tlv *filters)
954ea748 1598{
abc5a021 1599 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
ba72f32c 1600 int rc = 0;
954ea748 1601
abc5a021
AE		 1602 /* if a mac was already set for this VF via the set vf mac ndo, we only
1603 * accept mac configurations of that mac. Why accept them at all?
1604 * because PF may have been unable to configure the mac at the time
1605 * since queue was not set up.
1606 */
1607 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1608 /* once a mac was set by ndo can only accept a single mac... */
1609 if (filters->n_mac_vlan_filters > 1) {
1610 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n",
1611 vf->abs_vfid);
ba72f32c 1612 rc = -EPERM;
abc5a021
AE		 1613 goto response;
1614 }
1615
1616 /* ...and only the mac set by the ndo */
1617 if (filters->n_mac_vlan_filters == 1 &&
8fd90de8 1618 !ether_addr_equal(filters->filters->mac, bulletin->mac)) {
abc5a021
AE		 1619 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1620 vf->abs_vfid);
1621
ba72f32c 1622 rc = -EPERM;
abc5a021
AE		 1623 goto response;
1624 }
1625 }
ba72f32c
YM		 1626
1627response:
1628 return rc;
1629}
1630
1631static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
1632 struct bnx2x_virtf *vf,
1633 struct vfpf_set_q_filters_tlv *filters)
1634{
1635 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
1636 int rc = 0;
1637
e8379c79
YM		 1638 /* if vlan was set by hypervisor we don't allow guest to config vlan */
1639 if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
1640 int i;
1641
1642 /* search for vlan filters */
1643 for (i = 0; i < filters->n_mac_vlan_filters; i++) {
1644 if (filters->filters[i].flags &
1645 VFPF_Q_FILTER_VLAN_TAG_VALID) {
1646 BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
1647 vf->abs_vfid);
ba72f32c 1648 rc = -EPERM;
e8379c79
YM		 1649 goto response;
1650 }
1651 }
1652 }
abc5a021 1653
954ea748 1654 /* verify vf_qid */
ba72f32c
YM		 1655 if (filters->vf_qid > vf_rxq_count(vf)) {
1656 rc = -EPERM;
1657 goto response;
1658 }
1659
1660response:
1661 return rc;
1662}
1663
1664static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1665 struct bnx2x_virtf *vf,
1666 struct bnx2x_vf_mbx *mbx)
1667{
1668 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
2dc33bbc 1669 int rc;
ba72f32c 1670
2dc33bbc
YM		 1671 rc = bnx2x_filters_validate_mac(bp, vf, filters);
1672 if (rc)
ba72f32c
YM		 1673 goto response;
1674
2dc33bbc
YM		 1675 rc = bnx2x_filters_validate_vlan(bp, vf, filters);
1676 if (rc)
954ea748
AE		 1677 goto response;
1678
1679 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1680 vf->abs_vfid,
1681 filters->vf_qid);
1682
1683 /* print q_filter message */
1684 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1685
2dc33bbc 1686 rc = bnx2x_vf_mbx_qfilters(bp, vf);
954ea748 1687response:
2dc33bbc 1688 bnx2x_vf_mbx_resp(bp, vf, rc);
954ea748
AE		 1689}
1690
463a68a7
AE		 1691static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1692 struct bnx2x_vf_mbx *mbx)
1693{
1694 int qid = mbx->msg->req.q_op.vf_qid;
2dc33bbc 1695 int rc;
463a68a7
AE		 1696
1697 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1698 vf->abs_vfid, qid);
1699
2dc33bbc
YM		 1700 rc = bnx2x_vf_queue_teardown(bp, vf, qid);
1701 bnx2x_vf_mbx_resp(bp, vf, rc);
463a68a7
AE		 1702}
1703
99e9d211
AE		 1704static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1705 struct bnx2x_vf_mbx *mbx)
1706{
2dc33bbc 1707 int rc;
99e9d211
AE		 1708
1709 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1710
2dc33bbc
YM		 1711 rc = bnx2x_vf_close(bp, vf);
1712 bnx2x_vf_mbx_resp(bp, vf, rc);
99e9d211
AE		 1713}
1714
f1929b01
AE		 1715static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1716 struct bnx2x_vf_mbx *mbx)
1717{
2dc33bbc 1718 int rc;
f1929b01
AE		 1719
1720 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1721
2dc33bbc
YM		 1722 rc = bnx2x_vf_free(bp, vf);
1723 bnx2x_vf_mbx_resp(bp, vf, rc);
f1929b01
AE		 1724}
1725
b9871bcf
AE		 1726static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
1727 struct bnx2x_vf_mbx *mbx)
1728{
2dc33bbc 1729 struct bnx2x_config_rss_params rss;
b9871bcf 1730 struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
2dc33bbc 1731 int rc = 0;
b9871bcf
AE		 1732
1733 if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
1734 rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
1735 BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
1736 vf->index);
2dc33bbc 1737 rc = -EINVAL;
b9871bcf
AE		 1738 goto mbx_resp;
1739 }
1740
2dc33bbc
YM		 1741 memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));
1742
b9871bcf 1743 /* set vfop params according to rss tlv */
2dc33bbc 1744 memcpy(rss.ind_table, rss_tlv->ind_table,
b9871bcf 1745 T_ETH_INDIRECTION_TABLE_SIZE);
2dc33bbc
YM		 1746 memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));
1747 rss.rss_obj = &vf->rss_conf_obj;
1748 rss.rss_result_mask = rss_tlv->rss_result_mask;
b9871bcf
AE		 1749
1750 /* flags handled individually for backward/forward compatability */
2dc33bbc
YM		 1751 rss.rss_flags = 0;
1752 rss.ramrod_flags = 0;
5b622918 1753
b9871bcf 1754 if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
2dc33bbc 1755 __set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);
b9871bcf 1756 if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
2dc33bbc 1757 __set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);
b9871bcf 1758 if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
2dc33bbc 1759 __set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);
b9871bcf 1760 if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
2dc33bbc 1761 __set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);
b9871bcf 1762 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
2dc33bbc 1763 __set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);
b9871bcf 1764 if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
2dc33bbc 1765 __set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);
b9871bcf 1766 if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
2dc33bbc 1767 __set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);
b9871bcf 1768 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
2dc33bbc 1769 __set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);
b9871bcf 1770 if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
2dc33bbc 1771 __set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);
b9871bcf
AE		 1772
1773 if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
1774 rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
1775 (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
1776 rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
1777 BNX2X_ERR("about to hit a FW assert. aborting...\n");
2dc33bbc 1778 rc = -EINVAL;
b9871bcf
AE		 1779 goto mbx_resp;
1780 }
1781
2dc33bbc 1782 rc = bnx2x_vf_rss_update(bp, vf, &rss);
b9871bcf 1783mbx_resp:
2dc33bbc 1784 bnx2x_vf_mbx_resp(bp, vf, rc);
b9871bcf
AE		 1785}
1786
14a94ebd
MK		 1787static int bnx2x_validate_tpa_params(struct bnx2x *bp,
1788 struct vfpf_tpa_tlv *tpa_tlv)
1789{
1790 int rc = 0;
1791
1792 if (tpa_tlv->tpa_client_info.max_sges_for_packet >
1793 U_ETH_MAX_SGES_FOR_PACKET) {
1794 rc = -EINVAL;
1795 BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
1796 tpa_tlv->tpa_client_info.max_sges_for_packet,
1797 U_ETH_MAX_SGES_FOR_PACKET);
1798 }
1799
1800 if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
1801 rc = -EINVAL;
1802 BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
1803 tpa_tlv->tpa_client_info.max_tpa_queues,
1804 MAX_AGG_QS(bp));
1805 }
1806
1807 return rc;
1808}
1809
1810static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
1811 struct bnx2x_vf_mbx *mbx)
1812{
2dc33bbc 1813 struct bnx2x_queue_update_tpa_params vf_op_params;
14a94ebd 1814 struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
2dc33bbc 1815 int rc = 0;
14a94ebd 1816
2dc33bbc 1817 memset(&vf_op_params, 0, sizeof(vf_op_params));
14a94ebd
MK		 1818
1819 if (bnx2x_validate_tpa_params(bp, tpa_tlv))
1820 goto mbx_resp;
1821
2dc33bbc 1822 vf_op_params.complete_on_both_clients =
14a94ebd 1823 tpa_tlv->tpa_client_info.complete_on_both_clients;
2dc33bbc 1824 vf_op_params.dont_verify_thr =
14a94ebd 1825 tpa_tlv->tpa_client_info.dont_verify_thr;
2dc33bbc 1826 vf_op_params.max_agg_sz =
14a94ebd 1827 tpa_tlv->tpa_client_info.max_agg_size;
2dc33bbc 1828 vf_op_params.max_sges_pkt =
14a94ebd 1829 tpa_tlv->tpa_client_info.max_sges_for_packet;
2dc33bbc 1830 vf_op_params.max_tpa_queues =
14a94ebd 1831 tpa_tlv->tpa_client_info.max_tpa_queues;
2dc33bbc 1832 vf_op_params.sge_buff_sz =
14a94ebd 1833 tpa_tlv->tpa_client_info.sge_buff_size;
2dc33bbc 1834 vf_op_params.sge_pause_thr_high =
14a94ebd 1835 tpa_tlv->tpa_client_info.sge_pause_thr_high;
2dc33bbc 1836 vf_op_params.sge_pause_thr_low =
14a94ebd 1837 tpa_tlv->tpa_client_info.sge_pause_thr_low;
2dc33bbc 1838 vf_op_params.tpa_mode =
14a94ebd 1839 tpa_tlv->tpa_client_info.tpa_mode;
2dc33bbc 1840 vf_op_params.update_ipv4 =
14a94ebd 1841 tpa_tlv->tpa_client_info.update_ipv4;
2dc33bbc 1842 vf_op_params.update_ipv6 =
14a94ebd
MK		 1843 tpa_tlv->tpa_client_info.update_ipv6;
1844
2dc33bbc 1845 rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);
14a94ebd
MK		 1846
1847mbx_resp:
2dc33bbc 1848 bnx2x_vf_mbx_resp(bp, vf, rc);
14a94ebd
MK		 1849}
1850
fd1fc79d
AE		 1851/* dispatch request */
1852static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
1853 struct bnx2x_vf_mbx *mbx)
1854{
1855 int i;
1856
1857 /* check if tlv type is known */
1858 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
8ca5e17e
AE		 1859 /* Lock the per vf op mutex and note the locker's identity.
1860 * The unlock will take place in mbx response.
1861 */
1862 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1863
fd1fc79d
AE		 1864 /* switch on the opcode */
1865 switch (mbx->first_tlv.tl.type) {
8ca5e17e
AE		 1866 case CHANNEL_TLV_ACQUIRE:
1867 bnx2x_vf_mbx_acquire(bp, vf, mbx);
cbbf77de 1868 return;
b93288d5
AE		 1869 case CHANNEL_TLV_INIT:
1870 bnx2x_vf_mbx_init_vf(bp, vf, mbx);
cbbf77de 1871 return;
8db573ba
AE		 1872 case CHANNEL_TLV_SETUP_Q:
1873 bnx2x_vf_mbx_setup_q(bp, vf, mbx);
cbbf77de 1874 return;
954ea748
AE		 1875 case CHANNEL_TLV_SET_Q_FILTERS:
1876 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
cbbf77de 1877 return;
463a68a7
AE		 1878 case CHANNEL_TLV_TEARDOWN_Q:
1879 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
cbbf77de 1880 return;
99e9d211
AE		 1881 case CHANNEL_TLV_CLOSE:
1882 bnx2x_vf_mbx_close_vf(bp, vf, mbx);
cbbf77de 1883 return;
f1929b01
AE		 1884 case CHANNEL_TLV_RELEASE:
1885 bnx2x_vf_mbx_release_vf(bp, vf, mbx);
cbbf77de 1886 return;
b9871bcf
AE		 1887 case CHANNEL_TLV_UPDATE_RSS:
1888 bnx2x_vf_mbx_update_rss(bp, vf, mbx);
cbbf77de 1889 return;
14a94ebd
MK		 1890 case CHANNEL_TLV_UPDATE_TPA:
1891 bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
1892 return;
fd1fc79d 1893 }
463a68a7 1894
fd1fc79d
AE		 1895 } else {
1896 /* unknown TLV - this may belong to a VF driver from the future
1897 * - a version written after this PF driver was written, which
1898 * supports features unknown as of yet. Too bad since we don't
1899 * support them. Or this may be because someone wrote a crappy
1900 * VF driver and is sending garbage over the channel.
1901 */
6bf07b8e
YM		 1902 BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
1903 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
1904 vf->state);
fd1fc79d
AE		 1905 for (i = 0; i < 20; i++)
1906 DP_CONT(BNX2X_MSG_IOV, "%x ",
1907 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
cbbf77de 1908 }
8ca5e17e 1909
cbbf77de
AE		 1910 /* can we respond to VF (do we have an address for it?) */
1911 if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
cbbf77de 1912 /* notify the VF that we do not support this request */
2dc33bbc 1913 bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);
cbbf77de
AE		 1914 } else {
1915 /* can't send a response since this VF is unknown to us
1916 * just ack the FW to release the mailbox and unlock
1917 * the channel.
1918 */
1919 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1920 /* Firmware ack should be written before unlocking channel */
1921 mmiowb();
1922 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
fd1fc79d
AE		 1923 }
1924}
1925
370d4a26
YM		 1926void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
1927 struct vf_pf_event_data *vfpf_event)
fd1fc79d 1928{
fd1fc79d 1929 u8 vf_idx;
fd1fc79d
AE		 1930
1931 DP(BNX2X_MSG_IOV,
1932 "vf pf event received: vfid %d, address_hi %x, address lo %x",
1933 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
1934 /* Sanity checks consider removing later */
1935
1936 /* check if the vf_id is valid */
1937 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
1938 BNX2X_NR_VIRTFN(bp)) {
1939 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
1940 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
370d4a26 1941 return;
fd1fc79d 1942 }
370d4a26 1943
fd1fc79d 1944 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
fd1fc79d 1945
370d4a26
YM		 1946 /* Update VFDB with current message and schedule its handling */
1947 mutex_lock(&BP_VFDB(bp)->event_mutex);
1948 BP_VF_MBX(bp, vf_idx)->vf_addr_hi = vfpf_event->msg_addr_hi;
1949 BP_VF_MBX(bp, vf_idx)->vf_addr_lo = vfpf_event->msg_addr_lo;
1950 BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);
1951 mutex_unlock(&BP_VFDB(bp)->event_mutex);
fd1fc79d 1952
370d4a26
YM		 1953 bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);
1954}
fd1fc79d 1955
370d4a26
YM		 1956/* handle new vf-pf messages */
1957void bnx2x_vf_mbx(struct bnx2x *bp)
1958{
1959 struct bnx2x_vfdb *vfdb = BP_VFDB(bp);
1960 u64 events;
1961 u8 vf_idx;
1962 int rc;
fd1fc79d 1963
370d4a26
YM		 1964 if (!vfdb)
1965 return;
fd1fc79d 1966
370d4a26
YM		 1967 mutex_lock(&vfdb->event_mutex);
1968 events = vfdb->event_occur;
1969 vfdb->event_occur = 0;
1970 mutex_unlock(&vfdb->event_mutex);
3d7d562c 1971
370d4a26
YM		 1972 for_each_vf(bp, vf_idx) {
1973 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);
1974 struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);
fd1fc79d 1975
370d4a26
YM		 1976 /* Handle VFs which have pending events */
1977 if (!(events & (1ULL << vf_idx)))
1978 continue;
1979
1980 DP(BNX2X_MSG_IOV,
1981 "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",
1982 vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,
1983 mbx->first_tlv.resp_msg_offset);
1984
1985 /* dmae to get the VF request */
1986 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,
1987 vf->abs_vfid, mbx->vf_addr_hi,
1988 mbx->vf_addr_lo,
1989 sizeof(union vfpf_tlvs)/4);
1990 if (rc) {
1991 BNX2X_ERR("Failed to copy request VF %d\n",
1992 vf->abs_vfid);
2dc33bbc 1993 bnx2x_vf_release(bp, vf);
370d4a26
YM		 1994 return;
1995 }
1996
1997 /* process the VF message header */
1998 mbx->first_tlv = mbx->msg->req.first_tlv;
1999
2000 /* Clean response buffer to refrain from falsely
2001 * seeing chains.
2002 */
2003 memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
2004
2005 /* dispatch the request (will prepare the response) */
2006 bnx2x_vf_mbx_request(bp, vf, mbx);
2007 }
fd1fc79d 2008}
abc5a021
AE		 2009
2010/* propagate local bulletin board to vf */
2011int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
2012{
2013 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
2014 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
2015 vf * BULLETIN_CONTENT_SIZE;
2016 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
abc5a021
AE		 2017 int rc;
2018
2019 /* can only update vf after init took place */
2020 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
2021 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
2022 return 0;
2023
2024 /* increment bulletin board version and compute crc */
2025 bulletin->version++;
4c133c39 2026 bulletin->length = BULLETIN_CONTENT_SIZE;
abc5a021
AE		 2027 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin);
2028
2029 /* propagate bulletin board via dmae to vm memory */
2030 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
2031 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
4c133c39 2032 U64_LO(vf_addr), bulletin->length / 4);
abc5a021
AE		 2033 return rc;
2034}
Linux 6.x block layer and io_uring tree(s)