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bnx2x: Semantic removal and beautification
[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
AE		 23
24/* place a given tlv on the tlv buffer at a given offset */
25void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type,
26 u16 length)
27{
28 struct channel_tlv *tl =
29 (struct channel_tlv *)(tlvs_list + offset);
30
31 tl->type = type;
32 tl->length = length;
33}
34
35/* Clear the mailbox and init the header of the first tlv */
36void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
37 u16 type, u16 length)
38{
1d6f3cd8
DK		 39 mutex_lock(&bp->vf2pf_mutex);
40
be1f1ffa
AE		 41 DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
42 type);
43
44 /* Clear mailbox */
45 memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));
46
47 /* init type and length */
48 bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);
49
50 /* init first tlv header */
51 first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
52}
53
1d6f3cd8
DK		 54/* releases the mailbox */
55void bnx2x_vfpf_finalize(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv)
56{
57 DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
58 first_tlv->tl.type);
59
60 mutex_unlock(&bp->vf2pf_mutex);
61}
62
be1f1ffa
AE		 63/* list the types and lengths of the tlvs on the buffer */
64void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
65{
66 int i = 1;
67 struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
68
69 while (tlv->type != CHANNEL_TLV_LIST_END) {
70 /* output tlv */
71 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
72 tlv->type, tlv->length);
73
74 /* advance to next tlv */
75 tlvs_list += tlv->length;
76
77 /* cast general tlv list pointer to channel tlv header*/
78 tlv = (struct channel_tlv *)tlvs_list;
79
80 i++;
81
82 /* break condition for this loop */
83 if (i > MAX_TLVS_IN_LIST) {
84 WARN(true, "corrupt tlvs");
85 return;
86 }
87 }
88
89 /* output last tlv */
90 DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
91 tlv->type, tlv->length);
92}
b56e9670 93
fd1fc79d
AE		 94/* test whether we support a tlv type */
95bool bnx2x_tlv_supported(u16 tlvtype)
96{
97 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
98}
99
100static inline int bnx2x_pfvf_status_codes(int rc)
101{
102 switch (rc) {
103 case 0:
104 return PFVF_STATUS_SUCCESS;
105 case -ENOMEM:
106 return PFVF_STATUS_NO_RESOURCE;
107 default:
108 return PFVF_STATUS_FAILURE;
109 }
110}
111
732ac8ca 112static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
6411280a
AE		 113{
114 struct cstorm_vf_zone_data __iomem *zone_data =
115 REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
116 int tout = 600, interval = 100; /* wait for 60 seconds */
117
118 if (*done) {
119 BNX2X_ERR("done was non zero before message to pf was sent\n");
120 WARN_ON(true);
121 return -EINVAL;
122 }
123
124 /* Write message address */
125 writel(U64_LO(msg_mapping),
126 &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
127 writel(U64_HI(msg_mapping),
128 &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);
129
130 /* make sure the address is written before FW accesses it */
131 wmb();
132
133 /* Trigger the PF FW */
134 writeb(1, &zone_data->trigger.vf_pf_channel.addr_valid);
135
136 /* Wait for PF to complete */
137 while ((tout >= 0) && (!*done)) {
138 msleep(interval);
139 tout -= 1;
140
141 /* progress indicator - HV can take its own sweet time in
142 * answering VFs...
143 */
144 DP_CONT(BNX2X_MSG_IOV, ".");
145 }
146
147 if (!*done) {
148 BNX2X_ERR("PF response has timed out\n");
149 return -EAGAIN;
150 }
151 DP(BNX2X_MSG_SP, "Got a response from PF\n");
152 return 0;
153}
154
732ac8ca 155static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
6411280a
AE		 156{
157 u32 me_reg;
158 int tout = 10, interval = 100; /* Wait for 1 sec */
159
160 do {
161 /* pxp traps vf read of doorbells and returns me reg value */
162 me_reg = readl(bp->doorbells);
163 if (GOOD_ME_REG(me_reg))
164 break;
165
166 msleep(interval);
167
168 BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
169 me_reg);
170 } while (tout-- > 0);
171
172 if (!GOOD_ME_REG(me_reg)) {
173 BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
174 return -EINVAL;
175 }
176
177 BNX2X_ERR("valid ME register value: 0x%08x\n", me_reg);
178
179 *vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;
180
181 return 0;
182}
183
184int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
185{
186 int rc = 0, attempts = 0;
187 struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
188 struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
189 u32 vf_id;
190 bool resources_acquired = false;
191
192 /* clear mailbox and prep first tlv */
193 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));
194
1d6f3cd8
DK		 195 if (bnx2x_get_vf_id(bp, &vf_id)) {
196 rc = -EAGAIN;
197 goto out;
198 }
6411280a
AE		 199
200 req->vfdev_info.vf_id = vf_id;
201 req->vfdev_info.vf_os = 0;
202
203 req->resc_request.num_rxqs = rx_count;
204 req->resc_request.num_txqs = tx_count;
205 req->resc_request.num_sbs = bp->igu_sb_cnt;
206 req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
207 req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
208
209 /* pf 2 vf bulletin board address */
210 req->bulletin_addr = bp->pf2vf_bulletin_mapping;
211
212 /* add list termination tlv */
213 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
214 sizeof(struct channel_list_end_tlv));
215
216 /* output tlvs list */
217 bnx2x_dp_tlv_list(bp, req);
218
219 while (!resources_acquired) {
220 DP(BNX2X_MSG_SP, "attempting to acquire resources\n");
221
222 /* send acquire request */
223 rc = bnx2x_send_msg2pf(bp,
224 &resp->hdr.status,
225 bp->vf2pf_mbox_mapping);
226
227 /* PF timeout */
228 if (rc)
1d6f3cd8 229 goto out;
6411280a
AE		 230
231 /* copy acquire response from buffer to bp */
232 memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));
233
234 attempts++;
235
16a5fd92 236 /* test whether the PF accepted our request. If not, humble
6411280a
AE		 237 * the request and try again.
238 */
239 if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
240 DP(BNX2X_MSG_SP, "resources acquired\n");
241 resources_acquired = true;
242 } else if (bp->acquire_resp.hdr.status ==
243 PFVF_STATUS_NO_RESOURCE &&
244 attempts < VF_ACQUIRE_THRESH) {
245 DP(BNX2X_MSG_SP,
246 "PF unwilling to fulfill resource request. Try PF recommended amount\n");
247
248 /* humble our request */
249 req->resc_request.num_txqs =
250 bp->acquire_resp.resc.num_txqs;
251 req->resc_request.num_rxqs =
252 bp->acquire_resp.resc.num_rxqs;
253 req->resc_request.num_sbs =
254 bp->acquire_resp.resc.num_sbs;
255 req->resc_request.num_mac_filters =
256 bp->acquire_resp.resc.num_mac_filters;
257 req->resc_request.num_vlan_filters =
258 bp->acquire_resp.resc.num_vlan_filters;
259 req->resc_request.num_mc_filters =
260 bp->acquire_resp.resc.num_mc_filters;
261
262 /* Clear response buffer */
263 memset(&bp->vf2pf_mbox->resp, 0,
264 sizeof(union pfvf_tlvs));
265 } else {
266 /* PF reports error */
267 BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
268 bp->acquire_resp.hdr.status);
1d6f3cd8
DK		 269 rc = -EAGAIN;
270 goto out;
6411280a
AE		 271 }
272 }
273
274 /* get HW info */
275 bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
276 bp->link_params.chip_id = bp->common.chip_id;
277 bp->db_size = bp->acquire_resp.pfdev_info.db_size;
278 bp->common.int_block = INT_BLOCK_IGU;
279 bp->common.chip_port_mode = CHIP_2_PORT_MODE;
280 bp->igu_dsb_id = -1;
281 bp->mf_ov = 0;
282 bp->mf_mode = 0;
283 bp->common.flash_size = 0;
284 bp->flags |=
285 NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
286 bp->igu_sb_cnt = 1;
287 bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
288 strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
289 sizeof(bp->fw_ver));
290
291 if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
292 memcpy(bp->dev->dev_addr,
293 bp->acquire_resp.resc.current_mac_addr,
294 ETH_ALEN);
295
1d6f3cd8
DK		 296out:
297 bnx2x_vfpf_finalize(bp, &req->first_tlv);
298 return rc;
6411280a
AE		 299}
300
301int bnx2x_vfpf_release(struct bnx2x *bp)
302{
303 struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
304 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
1d6f3cd8 305 u32 rc, vf_id;
6411280a
AE		 306
307 /* clear mailbox and prep first tlv */
308 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));
309
1d6f3cd8
DK		 310 if (bnx2x_get_vf_id(bp, &vf_id)) {
311 rc = -EAGAIN;
312 goto out;
313 }
6411280a
AE		 314
315 req->vf_id = vf_id;
316
317 /* add list termination tlv */
318 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
319 sizeof(struct channel_list_end_tlv));
320
321 /* output tlvs list */
322 bnx2x_dp_tlv_list(bp, req);
323
324 /* send release request */
325 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
326
327 if (rc)
328 /* PF timeout */
1d6f3cd8
DK		 329 goto out;
330
6411280a
AE		 331 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
332 /* PF released us */
333 DP(BNX2X_MSG_SP, "vf released\n");
334 } else {
335 /* PF reports error */
336 BNX2X_ERR("PF failed our release request - are we out of sync? response status: %d\n",
337 resp->hdr.status);
1d6f3cd8
DK		 338 rc = -EAGAIN;
339 goto out;
6411280a 340 }
1d6f3cd8
DK		 341out:
342 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a 343
1d6f3cd8 344 return rc;
6411280a
AE		 345}
346
347/* Tell PF about SB addresses */
348int bnx2x_vfpf_init(struct bnx2x *bp)
349{
350 struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
351 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
352 int rc, i;
353
354 /* clear mailbox and prep first tlv */
355 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));
356
357 /* status blocks */
358 for_each_eth_queue(bp, i)
359 req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
360 status_blk_mapping);
361
362 /* statistics - requests only supports single queue for now */
363 req->stats_addr = bp->fw_stats_data_mapping +
364 offsetof(struct bnx2x_fw_stats_data, queue_stats);
365
366 /* add list termination tlv */
367 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
368 sizeof(struct channel_list_end_tlv));
369
370 /* output tlvs list */
371 bnx2x_dp_tlv_list(bp, req);
372
373 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
374 if (rc)
1d6f3cd8 375 goto out;
6411280a
AE		 376
377 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
378 BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
379 resp->hdr.status);
1d6f3cd8
DK		 380 rc = -EAGAIN;
381 goto out;
6411280a
AE		 382 }
383
384 DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
1d6f3cd8
DK		 385out:
386 bnx2x_vfpf_finalize(bp, &req->first_tlv);
387
388 return rc;
6411280a
AE		 389}
390
391/* CLOSE VF - opposite to INIT_VF */
392void bnx2x_vfpf_close_vf(struct bnx2x *bp)
393{
394 struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
395 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
396 int i, rc;
397 u32 vf_id;
398
399 /* If we haven't got a valid VF id, there is no sense to
400 * continue with sending messages
401 */
402 if (bnx2x_get_vf_id(bp, &vf_id))
403 goto free_irq;
404
405 /* Close the queues */
406 for_each_queue(bp, i)
407 bnx2x_vfpf_teardown_queue(bp, i);
408
f8f4f61a
DK		 409 /* remove mac */
410 bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);
411
6411280a
AE		 412 /* clear mailbox and prep first tlv */
413 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));
414
415 req->vf_id = vf_id;
416
417 /* add list termination tlv */
418 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
419 sizeof(struct channel_list_end_tlv));
420
421 /* output tlvs list */
422 bnx2x_dp_tlv_list(bp, req);
423
424 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
425
426 if (rc)
427 BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);
428
429 else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
430 BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
431 resp->hdr.status);
432
1d6f3cd8
DK		 433 bnx2x_vfpf_finalize(bp, &req->first_tlv);
434
6411280a
AE		 435free_irq:
436 /* Disable HW interrupts, NAPI */
437 bnx2x_netif_stop(bp, 0);
438 /* Delete all NAPI objects */
439 bnx2x_del_all_napi(bp);
440
441 /* Release IRQs */
442 bnx2x_free_irq(bp);
443}
444
445/* ask the pf to open a queue for the vf */
446int bnx2x_vfpf_setup_q(struct bnx2x *bp, int fp_idx)
447{
448 struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
449 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
450 struct bnx2x_fastpath *fp = &bp->fp[fp_idx];
451 u16 tpa_agg_size = 0, flags = 0;
452 int rc;
453
454 /* clear mailbox and prep first tlv */
455 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));
456
457 /* select tpa mode to request */
458 if (!fp->disable_tpa) {
459 flags |= VFPF_QUEUE_FLG_TPA;
460 flags |= VFPF_QUEUE_FLG_TPA_IPV6;
461 if (fp->mode == TPA_MODE_GRO)
462 flags |= VFPF_QUEUE_FLG_TPA_GRO;
463 tpa_agg_size = TPA_AGG_SIZE;
464 }
465
466 /* calculate queue flags */
467 flags |= VFPF_QUEUE_FLG_STATS;
468 flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
6411280a
AE		 469 flags |= VFPF_QUEUE_FLG_VLAN;
470 DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
471
472 /* Common */
473 req->vf_qid = fp_idx;
474 req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;
475
476 /* Rx */
477 req->rxq.rcq_addr = fp->rx_comp_mapping;
478 req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
479 req->rxq.rxq_addr = fp->rx_desc_mapping;
480 req->rxq.sge_addr = fp->rx_sge_mapping;
481 req->rxq.vf_sb = fp_idx;
482 req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
483 req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
484 req->rxq.mtu = bp->dev->mtu;
485 req->rxq.buf_sz = fp->rx_buf_size;
486 req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
487 req->rxq.tpa_agg_sz = tpa_agg_size;
488 req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
489 req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
490 (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
491 req->rxq.flags = flags;
492 req->rxq.drop_flags = 0;
493 req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
494 req->rxq.stat_id = -1; /* No stats at the moment */
495
496 /* Tx */
497 req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
498 req->txq.vf_sb = fp_idx;
499 req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
500 req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
501 req->txq.flags = flags;
502 req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;
503
504 /* add list termination tlv */
505 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
506 sizeof(struct channel_list_end_tlv));
507
508 /* output tlvs list */
509 bnx2x_dp_tlv_list(bp, req);
510
511 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
512 if (rc)
513 BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
514 fp_idx);
515
516 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
517 BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
518 fp_idx, resp->hdr.status);
1d6f3cd8 519 rc = -EINVAL;
6411280a 520 }
1d6f3cd8
DK		 521
522 bnx2x_vfpf_finalize(bp, &req->first_tlv);
523
6411280a
AE		 524 return rc;
525}
526
527int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
528{
529 struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
530 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
531 int rc;
532
533 /* clear mailbox and prep first tlv */
534 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
535 sizeof(*req));
536
537 req->vf_qid = qidx;
538
539 /* add list termination tlv */
540 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
541 sizeof(struct channel_list_end_tlv));
542
543 /* output tlvs list */
544 bnx2x_dp_tlv_list(bp, req);
545
546 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
547
548 if (rc) {
549 BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
550 rc);
1d6f3cd8 551 goto out;
6411280a
AE		 552 }
553
554 /* PF failed the transaction */
555 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
556 BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
557 resp->hdr.status);
1d6f3cd8 558 rc = -EINVAL;
6411280a
AE		 559 }
560
1d6f3cd8
DK		 561out:
562 bnx2x_vfpf_finalize(bp, &req->first_tlv);
563 return rc;
6411280a
AE		 564}
565
566/* request pf to add a mac for the vf */
f8f4f61a 567int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
6411280a
AE		 568{
569 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
570 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
f8f4f61a 571 struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
1d6f3cd8 572 int rc = 0;
6411280a
AE		 573
574 /* clear mailbox and prep first tlv */
575 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
576 sizeof(*req));
577
578 req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
f8f4f61a 579 req->vf_qid = vf_qid;
6411280a 580 req->n_mac_vlan_filters = 1;
f8f4f61a
DK		 581
582 req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
583 if (set)
584 req->filters[0].flags |= VFPF_Q_FILTER_SET_MAC;
6411280a
AE		 585
586 /* sample bulletin board for new mac */
587 bnx2x_sample_bulletin(bp);
588
589 /* copy mac from device to request */
f8f4f61a 590 memcpy(req->filters[0].mac, addr, ETH_ALEN);
6411280a
AE		 591
592 /* add list termination tlv */
593 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
594 sizeof(struct channel_list_end_tlv));
595
596 /* output tlvs list */
597 bnx2x_dp_tlv_list(bp, req);
598
599 /* send message to pf */
600 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
601 if (rc) {
602 BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
1d6f3cd8 603 goto out;
6411280a
AE		 604 }
605
606 /* failure may mean PF was configured with a new mac for us */
607 while (resp->hdr.status == PFVF_STATUS_FAILURE) {
608 DP(BNX2X_MSG_IOV,
609 "vfpf SET MAC failed. Check bulletin board for new posts\n");
610
f8f4f61a
DK		 611 /* copy mac from bulletin to device */
612 memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);
613
6411280a
AE		 614 /* check if bulletin board was updated */
615 if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
616 /* copy mac from device to request */
617 memcpy(req->filters[0].mac, bp->dev->dev_addr,
618 ETH_ALEN);
619
620 /* send message to pf */
621 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
622 bp->vf2pf_mbox_mapping);
623 } else {
624 /* no new info in bulletin */
625 break;
626 }
627 }
628
629 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
630 BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
1d6f3cd8 631 rc = -EINVAL;
6411280a 632 }
1d6f3cd8
DK		 633out:
634 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 635
636 return 0;
637}
638
639int bnx2x_vfpf_set_mcast(struct net_device *dev)
640{
641 struct bnx2x *bp = netdev_priv(dev);
642 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
643 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
644 int rc, i = 0;
645 struct netdev_hw_addr *ha;
646
647 if (bp->state != BNX2X_STATE_OPEN) {
648 DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
649 return -EINVAL;
650 }
651
652 /* clear mailbox and prep first tlv */
653 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
654 sizeof(*req));
655
656 /* Get Rx mode requested */
657 DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
658
659 netdev_for_each_mc_addr(ha, dev) {
660 DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
661 bnx2x_mc_addr(ha));
662 memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
663 i++;
664 }
665
666 /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
667 * addresses tops
668 */
669 if (i >= PFVF_MAX_MULTICAST_PER_VF) {
670 DP(NETIF_MSG_IFUP,
671 "VF supports not more than %d multicast MAC addresses\n",
672 PFVF_MAX_MULTICAST_PER_VF);
673 return -EINVAL;
674 }
675
676 req->n_multicast = i;
677 req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
678 req->vf_qid = 0;
679
680 /* add list termination tlv */
681 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
682 sizeof(struct channel_list_end_tlv));
683
684 /* output tlvs list */
685 bnx2x_dp_tlv_list(bp, req);
686 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
687 if (rc) {
688 BNX2X_ERR("Sending a message failed: %d\n", rc);
1d6f3cd8 689 goto out;
6411280a
AE		 690 }
691
692 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
693 BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
694 resp->hdr.status);
1d6f3cd8 695 rc = -EINVAL;
6411280a 696 }
1d6f3cd8
DK		 697out:
698 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 699
700 return 0;
701}
702
703int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
704{
705 int mode = bp->rx_mode;
706 struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
707 struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
708 int rc;
709
710 /* clear mailbox and prep first tlv */
711 bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
712 sizeof(*req));
713
714 DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);
715
716 switch (mode) {
717 case BNX2X_RX_MODE_NONE: /* no Rx */
718 req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
719 break;
720 case BNX2X_RX_MODE_NORMAL:
721 req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
722 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
723 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
724 break;
725 case BNX2X_RX_MODE_ALLMULTI:
726 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
727 req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
728 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
729 break;
730 case BNX2X_RX_MODE_PROMISC:
731 req->rx_mask = VFPF_RX_MASK_ACCEPT_ALL_UNICAST;
732 req->rx_mask |= VFPF_RX_MASK_ACCEPT_ALL_MULTICAST;
733 req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
734 break;
735 default:
736 BNX2X_ERR("BAD rx mode (%d)\n", mode);
1d6f3cd8
DK		 737 rc = -EINVAL;
738 goto out;
6411280a
AE		 739 }
740
741 req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
742 req->vf_qid = 0;
743
744 /* add list termination tlv */
745 bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
746 sizeof(struct channel_list_end_tlv));
747
748 /* output tlvs list */
749 bnx2x_dp_tlv_list(bp, req);
750
751 rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
752 if (rc)
753 BNX2X_ERR("Sending a message failed: %d\n", rc);
754
755 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
756 BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
1d6f3cd8 757 rc = -EINVAL;
6411280a 758 }
1d6f3cd8
DK		 759out:
760 bnx2x_vfpf_finalize(bp, &req->first_tlv);
6411280a
AE		 761
762 return rc;
763}
764
b56e9670
AE		 765/* General service functions */
766static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
767{
768 u32 addr = BAR_CSTRORM_INTMEM +
769 CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
770
771 REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
772}
773
774static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
775{
776 u32 addr = BAR_CSTRORM_INTMEM +
777 CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
778
779 REG_WR8(bp, addr, 1);
780}
781
782static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp)
783{
784 int i;
785
786 for_each_vf(bp, i)
787 storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid));
788}
789
16a5fd92 790/* enable vf_pf mailbox (aka vf-pf-channel) */
b56e9670
AE		 791void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
792{
793 bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
794
795 /* enable the mailbox in the FW */
796 storm_memset_vf_mbx_ack(bp, abs_vfid);
797 storm_memset_vf_mbx_valid(bp, abs_vfid);
798
799 /* enable the VF access to the mailbox */
800 bnx2x_vf_enable_access(bp, abs_vfid);
801}
fd1fc79d
AE		 802
803/* this works only on !E1h */
804static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
805 dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
806 u32 vf_addr_lo, u32 len32)
807{
808 struct dmae_command dmae;
809
810 if (CHIP_IS_E1x(bp)) {
811 BNX2X_ERR("Chip revision does not support VFs\n");
812 return DMAE_NOT_RDY;
813 }
814
815 if (!bp->dmae_ready) {
816 BNX2X_ERR("DMAE is not ready, can not copy\n");
817 return DMAE_NOT_RDY;
818 }
819
820 /* set opcode and fixed command fields */
821 bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);
822
823 if (from_vf) {
824 dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
825 (DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
826 (DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);
827
828 dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);
829
830 dmae.src_addr_lo = vf_addr_lo;
831 dmae.src_addr_hi = vf_addr_hi;
832 dmae.dst_addr_lo = U64_LO(pf_addr);
833 dmae.dst_addr_hi = U64_HI(pf_addr);
834 } else {
835 dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
836 (DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
837 (DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);
838
839 dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);
840
841 dmae.src_addr_lo = U64_LO(pf_addr);
842 dmae.src_addr_hi = U64_HI(pf_addr);
843 dmae.dst_addr_lo = vf_addr_lo;
844 dmae.dst_addr_hi = vf_addr_hi;
845 }
846 dmae.len = len32;
847 bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_DMAE);
848
849 /* issue the command and wait for completion */
850 return bnx2x_issue_dmae_with_comp(bp, &dmae);
851}
852
8ca5e17e
AE		 853static void bnx2x_vf_mbx_resp(struct bnx2x *bp, struct bnx2x_virtf *vf)
854{
855 struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
856 u64 vf_addr;
857 dma_addr_t pf_addr;
858 u16 length, type;
859 int rc;
860 struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
861
862 /* prepare response */
863 type = mbx->first_tlv.tl.type;
864 length = type == CHANNEL_TLV_ACQUIRE ?
865 sizeof(struct pfvf_acquire_resp_tlv) :
866 sizeof(struct pfvf_general_resp_tlv);
867 bnx2x_add_tlv(bp, resp, 0, type, length);
868 resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc);
869 bnx2x_add_tlv(bp, resp, length, CHANNEL_TLV_LIST_END,
870 sizeof(struct channel_list_end_tlv));
871 bnx2x_dp_tlv_list(bp, resp);
872 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
873 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
874
875 /* send response */
876 vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
877 mbx->first_tlv.resp_msg_offset;
878 pf_addr = mbx->msg_mapping +
879 offsetof(struct bnx2x_vf_mbx_msg, resp);
880
881 /* copy the response body, if there is one, before the header, as the vf
882 * is sensitive to the header being written
883 */
884 if (resp->hdr.tl.length > sizeof(u64)) {
885 length = resp->hdr.tl.length - sizeof(u64);
886 vf_addr += sizeof(u64);
887 pf_addr += sizeof(u64);
888 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
889 U64_HI(vf_addr),
890 U64_LO(vf_addr),
891 length/4);
892 if (rc) {
893 BNX2X_ERR("Failed to copy response body to VF %d\n",
894 vf->abs_vfid);
f1929b01 895 goto mbx_error;
8ca5e17e
AE		 896 }
897 vf_addr -= sizeof(u64);
898 pf_addr -= sizeof(u64);
899 }
900
901 /* ack the FW */
902 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
903 mmiowb();
904
905 /* initiate dmae to send the response */
906 mbx->flags &= ~VF_MSG_INPROCESS;
907
908 /* copy the response header including status-done field,
909 * must be last dmae, must be after FW is acked
910 */
911 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
912 U64_HI(vf_addr),
913 U64_LO(vf_addr),
914 sizeof(u64)/4);
915
916 /* unlock channel mutex */
917 bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
918
919 if (rc) {
920 BNX2X_ERR("Failed to copy response status to VF %d\n",
921 vf->abs_vfid);
f1929b01 922 goto mbx_error;
8ca5e17e
AE		 923 }
924 return;
f1929b01
AE		 925
926mbx_error:
927 bnx2x_vf_release(bp, vf, false); /* non blocking */
8ca5e17e
AE		 928}
929
930static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
931 struct bnx2x_vf_mbx *mbx, int vfop_status)
932{
933 int i;
934 struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
935 struct pf_vf_resc *resc = &resp->resc;
936 u8 status = bnx2x_pfvf_status_codes(vfop_status);
937
938 memset(resp, 0, sizeof(*resp));
939
940 /* fill in pfdev info */
941 resp->pfdev_info.chip_num = bp->common.chip_id;
942 resp->pfdev_info.db_size = (1 << BNX2X_DB_SHIFT);
943 resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
944 resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
945 /* PFVF_CAP_DHC |*/ PFVF_CAP_TPA);
946 bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
947 sizeof(resp->pfdev_info.fw_ver));
948
949 if (status == PFVF_STATUS_NO_RESOURCE ||
950 status == PFVF_STATUS_SUCCESS) {
951 /* set resources numbers, if status equals NO_RESOURCE these
952 * are max possible numbers
953 */
954 resc->num_rxqs = vf_rxq_count(vf) ? :
955 bnx2x_vf_max_queue_cnt(bp, vf);
956 resc->num_txqs = vf_txq_count(vf) ? :
957 bnx2x_vf_max_queue_cnt(bp, vf);
958 resc->num_sbs = vf_sb_count(vf);
959 resc->num_mac_filters = vf_mac_rules_cnt(vf);
960 resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
961 resc->num_mc_filters = 0;
962
963 if (status == PFVF_STATUS_SUCCESS) {
abc5a021
AE		 964 /* fill in the allocated resources */
965 struct pf_vf_bulletin_content *bulletin =
966 BP_VF_BULLETIN(bp, vf->index);
967
8ca5e17e
AE		 968 for_each_vfq(vf, i)
969 resc->hw_qid[i] =
970 vfq_qzone_id(vf, vfq_get(vf, i));
971
972 for_each_vf_sb(vf, i) {
973 resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
974 resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
975 }
abc5a021
AE		 976
977 /* if a mac has been set for this vf, supply it */
978 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
979 memcpy(resc->current_mac_addr, bulletin->mac,
980 ETH_ALEN);
981 }
8ca5e17e
AE		 982 }
983 }
984
985 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"
986 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
987 vf->abs_vfid,
988 resp->pfdev_info.chip_num,
989 resp->pfdev_info.db_size,
990 resp->pfdev_info.indices_per_sb,
991 resp->pfdev_info.pf_cap,
992 resc->num_rxqs,
993 resc->num_txqs,
994 resc->num_sbs,
995 resc->num_mac_filters,
996 resc->num_vlan_filters,
997 resc->num_mc_filters,
998 resp->pfdev_info.fw_ver);
999
1000 DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
1001 for (i = 0; i < vf_rxq_count(vf); i++)
1002 DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
1003 DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
1004 for (i = 0; i < vf_sb_count(vf); i++)
1005 DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
1006 resc->hw_sbs[i].hw_sb_id,
1007 resc->hw_sbs[i].sb_qid);
1008 DP_CONT(BNX2X_MSG_IOV, "]\n");
1009
1010 /* send the response */
1011 vf->op_rc = vfop_status;
1012 bnx2x_vf_mbx_resp(bp, vf);
1013}
1014
1015static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
1016 struct bnx2x_vf_mbx *mbx)
1017{
1018 int rc;
1019 struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;
1020
1021 /* log vfdef info */
1022 DP(BNX2X_MSG_IOV,
1023 "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",
1024 vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
1025 acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
1026 acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
1027 acquire->resc_request.num_vlan_filters,
1028 acquire->resc_request.num_mc_filters);
1029
1030 /* acquire the resources */
1031 rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);
1032
abc5a021
AE		 1033 /* store address of vf's bulletin board */
1034 vf->bulletin_map = acquire->bulletin_addr;
1035
8ca5e17e
AE		 1036 /* response */
1037 bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
1038}
1039
b93288d5
AE		 1040static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1041 struct bnx2x_vf_mbx *mbx)
1042{
1043 struct vfpf_init_tlv *init = &mbx->msg->req.init;
1044
1045 /* record ghost addresses from vf message */
1046 vf->spq_map = init->spq_addr;
1047 vf->fw_stat_map = init->stats_addr;
1048 vf->op_rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);
1049
1050 /* response */
1051 bnx2x_vf_mbx_resp(bp, vf);
1052}
1053
8db573ba 1054/* convert MBX queue-flags to standard SP queue-flags */
21776537 1055static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
8db573ba
AE		 1056 unsigned long *sp_q_flags)
1057{
1058 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
1059 __set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
1060 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
1061 __set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
1062 if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
1063 __set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
1064 if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
1065 __set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
8db573ba
AE		 1066 if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
1067 __set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
1068 if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
1069 __set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
1070 if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
1071 __set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
1072 if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
1073 __set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
21776537 1074
16a5fd92 1075 /* outer vlan removal is set according to PF's multi function mode */
21776537
AE		 1076 if (IS_MF_SD(bp))
1077 __set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
8db573ba
AE		 1078}
1079
1080static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1081 struct bnx2x_vf_mbx *mbx)
1082{
1083 struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
1084 struct bnx2x_vfop_cmd cmd = {
1085 .done = bnx2x_vf_mbx_resp,
1086 .block = false,
1087 };
1088
1089 /* verify vf_qid */
1090 if (setup_q->vf_qid >= vf_rxq_count(vf)) {
1091 BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
1092 setup_q->vf_qid, vf_rxq_count(vf));
1093 vf->op_rc = -EINVAL;
1094 goto response;
1095 }
1096
1097 /* tx queues must be setup alongside rx queues thus if the rx queue
1098 * is not marked as valid there's nothing to do.
1099 */
1100 if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
1101 struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
1102 unsigned long q_type = 0;
1103
1104 struct bnx2x_queue_init_params *init_p;
1105 struct bnx2x_queue_setup_params *setup_p;
1106
16a5fd92 1107 /* re-init the VF operation context */
8db573ba
AE		 1108 memset(&vf->op_params.qctor, 0 , sizeof(vf->op_params.qctor));
1109 setup_p = &vf->op_params.qctor.prep_qsetup;
1110 init_p = &vf->op_params.qctor.qstate.params.init;
1111
1112 /* activate immediately */
1113 __set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);
1114
1115 if (setup_q->param_valid & VFPF_TXQ_VALID) {
1116 struct bnx2x_txq_setup_params *txq_params =
1117 &setup_p->txq_params;
1118
1119 __set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);
1120
1121 /* save sb resource index */
1122 q->sb_idx = setup_q->txq.vf_sb;
1123
1124 /* tx init */
1125 init_p->tx.hc_rate = setup_q->txq.hc_rate;
1126 init_p->tx.sb_cq_index = setup_q->txq.sb_index;
1127
21776537 1128 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1129 &init_p->tx.flags);
1130
1131 /* tx setup - flags */
21776537 1132 bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
8db573ba
AE		 1133 &setup_p->flags);
1134
1135 /* tx setup - general, nothing */
1136
1137 /* tx setup - tx */
1138 txq_params->dscr_map = setup_q->txq.txq_addr;
1139 txq_params->sb_cq_index = setup_q->txq.sb_index;
1140 txq_params->traffic_type = setup_q->txq.traffic_type;
1141
1142 bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
1143 q->index, q->sb_idx);
1144 }
1145
1146 if (setup_q->param_valid & VFPF_RXQ_VALID) {
1147 struct bnx2x_rxq_setup_params *rxq_params =
1148 &setup_p->rxq_params;
1149
1150 __set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);
1151
1152 /* Note: there is no support for different SBs
1153 * for TX and RX
1154 */
1155 q->sb_idx = setup_q->rxq.vf_sb;
1156
1157 /* rx init */
1158 init_p->rx.hc_rate = setup_q->rxq.hc_rate;
1159 init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
21776537 1160 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1161 &init_p->rx.flags);
1162
1163 /* rx setup - flags */
21776537 1164 bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
8db573ba
AE		 1165 &setup_p->flags);
1166
1167 /* rx setup - general */
1168 setup_p->gen_params.mtu = setup_q->rxq.mtu;
1169
1170 /* rx setup - rx */
1171 rxq_params->drop_flags = setup_q->rxq.drop_flags;
1172 rxq_params->dscr_map = setup_q->rxq.rxq_addr;
1173 rxq_params->sge_map = setup_q->rxq.sge_addr;
1174 rxq_params->rcq_map = setup_q->rxq.rcq_addr;
1175 rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
1176 rxq_params->buf_sz = setup_q->rxq.buf_sz;
1177 rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
1178 rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
1179 rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
1180 rxq_params->cache_line_log =
1181 setup_q->rxq.cache_line_log;
1182 rxq_params->sb_cq_index = setup_q->rxq.sb_index;
1183
1184 bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
1185 q->index, q->sb_idx);
1186 }
1187 /* complete the preparations */
1188 bnx2x_vfop_qctor_prep(bp, vf, q, &vf->op_params.qctor, q_type);
1189
1190 vf->op_rc = bnx2x_vfop_qsetup_cmd(bp, vf, &cmd, q->index);
1191 if (vf->op_rc)
1192 goto response;
1193 return;
1194 }
1195response:
1196 bnx2x_vf_mbx_resp(bp, vf);
1197}
1198
954ea748
AE		 1199enum bnx2x_vfop_filters_state {
1200 BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1201 BNX2X_VFOP_MBX_Q_FILTERS_VLANS,
1202 BNX2X_VFOP_MBX_Q_FILTERS_RXMODE,
1203 BNX2X_VFOP_MBX_Q_FILTERS_MCAST,
1204 BNX2X_VFOP_MBX_Q_FILTERS_DONE
1205};
1206
1207static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
1208 struct bnx2x_virtf *vf,
1209 struct vfpf_set_q_filters_tlv *tlv,
1210 struct bnx2x_vfop_filters **pfl,
1211 u32 type_flag)
1212{
1213 int i, j;
1214 struct bnx2x_vfop_filters *fl = NULL;
1215 size_t fsz;
1216
1217 fsz = tlv->n_mac_vlan_filters * sizeof(struct bnx2x_vfop_filter) +
1218 sizeof(struct bnx2x_vfop_filters);
1219
1220 fl = kzalloc(fsz, GFP_KERNEL);
1221 if (!fl)
1222 return -ENOMEM;
1223
1224 INIT_LIST_HEAD(&fl->head);
1225
1226 for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
1227 struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];
1228
1229 if ((msg_filter->flags & type_flag) != type_flag)
1230 continue;
1231 if (type_flag == VFPF_Q_FILTER_DEST_MAC_VALID) {
1232 fl->filters[j].mac = msg_filter->mac;
1233 fl->filters[j].type = BNX2X_VFOP_FILTER_MAC;
1234 } else {
1235 fl->filters[j].vid = msg_filter->vlan_tag;
1236 fl->filters[j].type = BNX2X_VFOP_FILTER_VLAN;
1237 }
1238 fl->filters[j].add =
1239 (msg_filter->flags & VFPF_Q_FILTER_SET_MAC) ?
1240 true : false;
1241 list_add_tail(&fl->filters[j++].link, &fl->head);
1242 }
1243 if (list_empty(&fl->head))
1244 kfree(fl);
1245 else
1246 *pfl = fl;
1247
1248 return 0;
1249}
1250
1251static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
1252 struct vfpf_q_mac_vlan_filter *filter)
1253{
1254 DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
1255 if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
1256 DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
1257 if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
1258 DP_CONT(msglvl, ", MAC=%pM", filter->mac);
1259 DP_CONT(msglvl, "\n");
1260}
1261
1262static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
1263 struct vfpf_set_q_filters_tlv *filters)
1264{
1265 int i;
1266
1267 if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
1268 for (i = 0; i < filters->n_mac_vlan_filters; i++)
1269 bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
1270 &filters->filters[i]);
1271
1272 if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
1273 DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);
1274
1275 if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
1276 for (i = 0; i < filters->n_multicast; i++)
1277 DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
1278}
1279
1280#define VFPF_MAC_FILTER VFPF_Q_FILTER_DEST_MAC_VALID
1281#define VFPF_VLAN_FILTER VFPF_Q_FILTER_VLAN_TAG_VALID
1282
1283static void bnx2x_vfop_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
1284{
1285 int rc;
1286
1287 struct vfpf_set_q_filters_tlv *msg =
1288 &BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;
1289
1290 struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf);
1291 enum bnx2x_vfop_filters_state state = vfop->state;
1292
1293 struct bnx2x_vfop_cmd cmd = {
1294 .done = bnx2x_vfop_mbx_qfilters,
1295 .block = false,
1296 };
1297
1298 DP(BNX2X_MSG_IOV, "STATE: %d\n", state);
1299
1300 if (vfop->rc < 0)
1301 goto op_err;
1302
1303 switch (state) {
1304 case BNX2X_VFOP_MBX_Q_FILTERS_MACS:
1305 /* next state */
1306 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_VLANS;
1307
1308 /* check for any vlan/mac changes */
1309 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1310 /* build mac list */
1311 struct bnx2x_vfop_filters *fl = NULL;
1312
1313 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1314 VFPF_MAC_FILTER);
1315 if (vfop->rc)
1316 goto op_err;
1317
1318 if (fl) {
1319 /* set mac list */
1320 rc = bnx2x_vfop_mac_list_cmd(bp, vf, &cmd, fl,
1321 msg->vf_qid,
1322 false);
1323 if (rc) {
1324 vfop->rc = rc;
1325 goto op_err;
1326 }
1327 return;
1328 }
1329 }
1330 /* fall through */
1331
1332 case BNX2X_VFOP_MBX_Q_FILTERS_VLANS:
1333 /* next state */
1334 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_RXMODE;
1335
1336 /* check for any vlan/mac changes */
1337 if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
1338 /* build vlan list */
1339 struct bnx2x_vfop_filters *fl = NULL;
1340
1341 vfop->rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
1342 VFPF_VLAN_FILTER);
1343 if (vfop->rc)
1344 goto op_err;
1345
1346 if (fl) {
1347 /* set vlan list */
1348 rc = bnx2x_vfop_vlan_list_cmd(bp, vf, &cmd, fl,
1349 msg->vf_qid,
1350 false);
1351 if (rc) {
1352 vfop->rc = rc;
1353 goto op_err;
1354 }
1355 return;
1356 }
1357 }
1358 /* fall through */
1359
1360 case BNX2X_VFOP_MBX_Q_FILTERS_RXMODE:
1361 /* next state */
1362 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_MCAST;
1363
1364 if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
1365 unsigned long accept = 0;
1366
1367 /* covert VF-PF if mask to bnx2x accept flags */
1368 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST)
1369 __set_bit(BNX2X_ACCEPT_UNICAST, &accept);
1370
1371 if (msg->rx_mask &
1372 VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST)
1373 __set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
1374
1375 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_UNICAST)
1376 __set_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept);
1377
1378 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_ALL_MULTICAST)
1379 __set_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept);
1380
1381 if (msg->rx_mask & VFPF_RX_MASK_ACCEPT_BROADCAST)
1382 __set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
1383
1384 /* A packet arriving the vf's mac should be accepted
1385 * with any vlan
1386 */
1387 __set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);
1388
1389 /* set rx-mode */
1390 rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd,
1391 msg->vf_qid, accept);
1392 if (rc) {
1393 vfop->rc = rc;
1394 goto op_err;
1395 }
1396 return;
1397 }
1398 /* fall through */
1399
1400 case BNX2X_VFOP_MBX_Q_FILTERS_MCAST:
1401 /* next state */
1402 vfop->state = BNX2X_VFOP_MBX_Q_FILTERS_DONE;
1403
1404 if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
1405 /* set mcasts */
1406 rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, msg->multicast,
1407 msg->n_multicast, false);
1408 if (rc) {
1409 vfop->rc = rc;
1410 goto op_err;
1411 }
1412 return;
1413 }
1414 /* fall through */
1415op_done:
1416 case BNX2X_VFOP_MBX_Q_FILTERS_DONE:
1417 bnx2x_vfop_end(bp, vf, vfop);
1418 return;
1419op_err:
1420 BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
1421 vf->abs_vfid, msg->vf_qid, vfop->rc);
1422 goto op_done;
1423
1424 default:
1425 bnx2x_vfop_default(state);
1426 }
1427}
1428
1429static int bnx2x_vfop_mbx_qfilters_cmd(struct bnx2x *bp,
1430 struct bnx2x_virtf *vf,
1431 struct bnx2x_vfop_cmd *cmd)
1432{
1433 struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf);
1434 if (vfop) {
1435 bnx2x_vfop_opset(BNX2X_VFOP_MBX_Q_FILTERS_MACS,
1436 bnx2x_vfop_mbx_qfilters, cmd->done);
1437 return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mbx_qfilters,
1438 cmd->block);
1439 }
1440 return -ENOMEM;
1441}
1442
1443static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
1444 struct bnx2x_virtf *vf,
1445 struct bnx2x_vf_mbx *mbx)
1446{
1447 struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
abc5a021 1448 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
954ea748
AE		 1449 struct bnx2x_vfop_cmd cmd = {
1450 .done = bnx2x_vf_mbx_resp,
1451 .block = false,
1452 };
1453
abc5a021
AE		 1454 /* if a mac was already set for this VF via the set vf mac ndo, we only
1455 * accept mac configurations of that mac. Why accept them at all?
1456 * because PF may have been unable to configure the mac at the time
1457 * since queue was not set up.
1458 */
1459 if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
1460 /* once a mac was set by ndo can only accept a single mac... */
1461 if (filters->n_mac_vlan_filters > 1) {
1462 BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called\n",
1463 vf->abs_vfid);
1464 vf->op_rc = -EPERM;
1465 goto response;
1466 }
1467
1468 /* ...and only the mac set by the ndo */
1469 if (filters->n_mac_vlan_filters == 1 &&
1470 memcmp(filters->filters->mac, bulletin->mac, ETH_ALEN)) {
1471 BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
1472 vf->abs_vfid);
1473
1474 vf->op_rc = -EPERM;
1475 goto response;
1476 }
1477 }
1478
954ea748
AE		 1479 /* verify vf_qid */
1480 if (filters->vf_qid > vf_rxq_count(vf))
1481 goto response;
1482
1483 DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
1484 vf->abs_vfid,
1485 filters->vf_qid);
1486
1487 /* print q_filter message */
1488 bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);
1489
1490 vf->op_rc = bnx2x_vfop_mbx_qfilters_cmd(bp, vf, &cmd);
1491 if (vf->op_rc)
1492 goto response;
1493 return;
1494
1495response:
1496 bnx2x_vf_mbx_resp(bp, vf);
1497}
1498
463a68a7
AE		 1499static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
1500 struct bnx2x_vf_mbx *mbx)
1501{
1502 int qid = mbx->msg->req.q_op.vf_qid;
1503 struct bnx2x_vfop_cmd cmd = {
1504 .done = bnx2x_vf_mbx_resp,
1505 .block = false,
1506 };
1507
1508 DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
1509 vf->abs_vfid, qid);
1510
1511 vf->op_rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qid);
1512 if (vf->op_rc)
1513 bnx2x_vf_mbx_resp(bp, vf);
1514}
1515
99e9d211
AE		 1516static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1517 struct bnx2x_vf_mbx *mbx)
1518{
1519 struct bnx2x_vfop_cmd cmd = {
1520 .done = bnx2x_vf_mbx_resp,
1521 .block = false,
1522 };
1523
1524 DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);
1525
1526 vf->op_rc = bnx2x_vfop_close_cmd(bp, vf, &cmd);
1527 if (vf->op_rc)
1528 bnx2x_vf_mbx_resp(bp, vf);
1529}
1530
f1929b01
AE		 1531static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
1532 struct bnx2x_vf_mbx *mbx)
1533{
1534 struct bnx2x_vfop_cmd cmd = {
1535 .done = bnx2x_vf_mbx_resp,
1536 .block = false,
1537 };
1538
1539 DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);
1540
1541 vf->op_rc = bnx2x_vfop_release_cmd(bp, vf, &cmd);
1542 if (vf->op_rc)
1543 bnx2x_vf_mbx_resp(bp, vf);
1544}
1545
fd1fc79d
AE		 1546/* dispatch request */
1547static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
1548 struct bnx2x_vf_mbx *mbx)
1549{
1550 int i;
1551
1552 /* check if tlv type is known */
1553 if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
8ca5e17e
AE		 1554 /* Lock the per vf op mutex and note the locker's identity.
1555 * The unlock will take place in mbx response.
1556 */
1557 bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
1558
fd1fc79d
AE		 1559 /* switch on the opcode */
1560 switch (mbx->first_tlv.tl.type) {
8ca5e17e
AE		 1561 case CHANNEL_TLV_ACQUIRE:
1562 bnx2x_vf_mbx_acquire(bp, vf, mbx);
1563 break;
b93288d5
AE		 1564 case CHANNEL_TLV_INIT:
1565 bnx2x_vf_mbx_init_vf(bp, vf, mbx);
1566 break;
8db573ba
AE		 1567 case CHANNEL_TLV_SETUP_Q:
1568 bnx2x_vf_mbx_setup_q(bp, vf, mbx);
1569 break;
954ea748
AE		 1570 case CHANNEL_TLV_SET_Q_FILTERS:
1571 bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
1572 break;
463a68a7
AE		 1573 case CHANNEL_TLV_TEARDOWN_Q:
1574 bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
1575 break;
99e9d211
AE		 1576 case CHANNEL_TLV_CLOSE:
1577 bnx2x_vf_mbx_close_vf(bp, vf, mbx);
1578 break;
f1929b01
AE		 1579 case CHANNEL_TLV_RELEASE:
1580 bnx2x_vf_mbx_release_vf(bp, vf, mbx);
1581 break;
fd1fc79d 1582 }
463a68a7 1583
fd1fc79d
AE		 1584 } else {
1585 /* unknown TLV - this may belong to a VF driver from the future
1586 * - a version written after this PF driver was written, which
1587 * supports features unknown as of yet. Too bad since we don't
1588 * support them. Or this may be because someone wrote a crappy
1589 * VF driver and is sending garbage over the channel.
1590 */
1591 BNX2X_ERR("unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n",
1592 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length);
1593 for (i = 0; i < 20; i++)
1594 DP_CONT(BNX2X_MSG_IOV, "%x ",
1595 mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
8ca5e17e
AE		 1596
1597 /* test whether we can respond to the VF (do we have an address
1598 * for it?)
1599 */
1600 if (vf->state == VF_ACQUIRED) {
1601 /* mbx_resp uses the op_rc of the VF */
1602 vf->op_rc = PFVF_STATUS_NOT_SUPPORTED;
1603
1604 /* notify the VF that we do not support this request */
1605 bnx2x_vf_mbx_resp(bp, vf);
1606 } else {
1607 /* can't send a response since this VF is unknown to us
70ca5d74
AE		 1608 * just ack the FW to release the mailbox and unlock
1609 * the channel.
8ca5e17e 1610 */
70ca5d74
AE		 1611 storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
1612 mmiowb();
8ca5e17e
AE		 1613 bnx2x_unlock_vf_pf_channel(bp, vf,
1614 mbx->first_tlv.tl.type);
1615 }
fd1fc79d
AE		 1616 }
1617}
1618
1619/* handle new vf-pf message */
1620void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event)
1621{
1622 struct bnx2x_virtf *vf;
1623 struct bnx2x_vf_mbx *mbx;
1624 u8 vf_idx;
1625 int rc;
1626
1627 DP(BNX2X_MSG_IOV,
1628 "vf pf event received: vfid %d, address_hi %x, address lo %x",
1629 vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
1630 /* Sanity checks consider removing later */
1631
1632 /* check if the vf_id is valid */
1633 if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
1634 BNX2X_NR_VIRTFN(bp)) {
1635 BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
1636 vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
1637 goto mbx_done;
1638 }
1639 vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);
1640 mbx = BP_VF_MBX(bp, vf_idx);
1641
1642 /* verify an event is not currently being processed -
1643 * debug failsafe only
1644 */
1645 if (mbx->flags & VF_MSG_INPROCESS) {
1646 BNX2X_ERR("Previous message is still being processed, vf_id %d\n",
1647 vfpf_event->vf_id);
1648 goto mbx_done;
1649 }
1650 vf = BP_VF(bp, vf_idx);
1651
1652 /* save the VF message address */
1653 mbx->vf_addr_hi = vfpf_event->msg_addr_hi;
1654 mbx->vf_addr_lo = vfpf_event->msg_addr_lo;
1655 DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
1656 mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
1657
1658 /* dmae to get the VF request */
1659 rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping, vf->abs_vfid,
1660 mbx->vf_addr_hi, mbx->vf_addr_lo,
1661 sizeof(union vfpf_tlvs)/4);
1662 if (rc) {
1663 BNX2X_ERR("Failed to copy request VF %d\n", vf->abs_vfid);
1664 goto mbx_error;
1665 }
1666
1667 /* process the VF message header */
1668 mbx->first_tlv = mbx->msg->req.first_tlv;
1669
1670 /* dispatch the request (will prepare the response) */
1671 bnx2x_vf_mbx_request(bp, vf, mbx);
1672 goto mbx_done;
1673
1674mbx_error:
f1929b01 1675 bnx2x_vf_release(bp, vf, false); /* non blocking */
fd1fc79d
AE		 1676mbx_done:
1677 return;
1678}
abc5a021
AE		 1679
1680/* propagate local bulletin board to vf */
1681int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
1682{
1683 struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
1684 dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
1685 vf * BULLETIN_CONTENT_SIZE;
1686 dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
abc5a021
AE		 1687 int rc;
1688
1689 /* can only update vf after init took place */
1690 if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
1691 bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
1692 return 0;
1693
1694 /* increment bulletin board version and compute crc */
1695 bulletin->version++;
4c133c39 1696 bulletin->length = BULLETIN_CONTENT_SIZE;
abc5a021
AE		 1697 bulletin->crc = bnx2x_crc_vf_bulletin(bp, bulletin);
1698
1699 /* propagate bulletin board via dmae to vm memory */
1700 rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
1701 bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
4c133c39 1702 U64_LO(vf_addr), bulletin->length / 4);
abc5a021
AE		 1703 return rc;
1704}
Linux 6.x block layer and io_uring tree(s)