]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - drivers/net/ethernet/qlogic/qed/qed_vf.c
projects / mirror_ubuntu-zesty-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
UBUNTU: Ubuntu-4.10.0-37.41
[mirror_ubuntu-zesty-kernel.git] / drivers / net / ethernet / qlogic / qed / qed_vf.c
CommitLineData
1408cc1f
YM		 1/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
36558c3d 9#include <linux/crc32.h>
eff16960 10#include <linux/etherdevice.h>
1408cc1f
YM		 11#include "qed.h"
12#include "qed_sriov.h"
13#include "qed_vf.h"
14
15static void *qed_vf_pf_prep(struct qed_hwfn *p_hwfn, u16 type, u16 length)
16{
17 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
18 void *p_tlv;
19
20 /* This lock is released when we receive PF's response
21 * in qed_send_msg2pf().
22 * So, qed_vf_pf_prep() and qed_send_msg2pf()
23 * must come in sequence.
24 */
25 mutex_lock(&(p_iov->mutex));
26
27 DP_VERBOSE(p_hwfn,
28 QED_MSG_IOV,
29 "preparing to send 0x%04x tlv over vf pf channel\n",
30 type);
31
32 /* Reset Requst offset */
33 p_iov->offset = (u8 *)p_iov->vf2pf_request;
34
35 /* Clear mailbox - both request and reply */
36 memset(p_iov->vf2pf_request, 0, sizeof(union vfpf_tlvs));
37 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
38
39 /* Init type and length */
40 p_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, type, length);
41
42 /* Init first tlv header */
43 ((struct vfpf_first_tlv *)p_tlv)->reply_address =
44 (u64)p_iov->pf2vf_reply_phys;
45
46 return p_tlv;
47}
48
b0bccb69
YM		 49static void qed_vf_pf_req_end(struct qed_hwfn *p_hwfn, int req_status)
50{
51 union pfvf_tlvs *resp = p_hwfn->vf_iov_info->pf2vf_reply;
52
53 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
54 "VF request status = 0x%x, PF reply status = 0x%x\n",
55 req_status, resp->default_resp.hdr.status);
56
57 mutex_unlock(&(p_hwfn->vf_iov_info->mutex));
58}
59
1408cc1f
YM		 60static int qed_send_msg2pf(struct qed_hwfn *p_hwfn, u8 *done, u32 resp_size)
61{
62 union vfpf_tlvs *p_req = p_hwfn->vf_iov_info->vf2pf_request;
63 struct ustorm_trigger_vf_zone trigger;
64 struct ustorm_vf_zone *zone_data;
65 int rc = 0, time = 100;
66
67 zone_data = (struct ustorm_vf_zone *)PXP_VF_BAR0_START_USDM_ZONE_B;
68
69 /* output tlvs list */
70 qed_dp_tlv_list(p_hwfn, p_req);
71
72 /* need to add the END TLV to the message size */
73 resp_size += sizeof(struct channel_list_end_tlv);
74
75 /* Send TLVs over HW channel */
76 memset(&trigger, 0, sizeof(struct ustorm_trigger_vf_zone));
77 trigger.vf_pf_msg_valid = 1;
78
79 DP_VERBOSE(p_hwfn,
80 QED_MSG_IOV,
81 "VF -> PF [%02x] message: [%08x, %08x] --> %p, %08x --> %p\n",
82 GET_FIELD(p_hwfn->hw_info.concrete_fid,
83 PXP_CONCRETE_FID_PFID),
84 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
85 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys),
86 &zone_data->non_trigger.vf_pf_msg_addr,
87 *((u32 *)&trigger), &zone_data->trigger);
88
89 REG_WR(p_hwfn,
90 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.lo,
91 lower_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
92
93 REG_WR(p_hwfn,
94 (uintptr_t)&zone_data->non_trigger.vf_pf_msg_addr.hi,
95 upper_32_bits(p_hwfn->vf_iov_info->vf2pf_request_phys));
96
97 /* The message data must be written first, to prevent trigger before
98 * data is written.
99 */
100 wmb();
101
102 REG_WR(p_hwfn, (uintptr_t)&zone_data->trigger, *((u32 *)&trigger));
103
104 /* When PF would be done with the response, it would write back to the
105 * `done' address. Poll until then.
106 */
107 while ((!*done) && time) {
108 msleep(25);
109 time--;
110 }
111
112 if (!*done) {
113 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
114 "VF <-- PF Timeout [Type %d]\n",
115 p_req->first_tlv.tl.type);
116 rc = -EBUSY;
1408cc1f
YM		 117 } else {
118 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
119 "PF response: %d [Type %d]\n",
120 *done, p_req->first_tlv.tl.type);
121 }
122
1408cc1f
YM		 123 return rc;
124}
125
126#define VF_ACQUIRE_THRESH 3
1cf2b1a9
YM		 127static void qed_vf_pf_acquire_reduce_resc(struct qed_hwfn *p_hwfn,
128 struct vf_pf_resc_request *p_req,
129 struct pf_vf_resc *p_resp)
130{
131 DP_VERBOSE(p_hwfn,
132 QED_MSG_IOV,
133 "PF unwilling to fullill resource request: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]. Try PF recommended amount\n",
134 p_req->num_rxqs,
135 p_resp->num_rxqs,
136 p_req->num_rxqs,
137 p_resp->num_txqs,
138 p_req->num_sbs,
139 p_resp->num_sbs,
140 p_req->num_mac_filters,
141 p_resp->num_mac_filters,
142 p_req->num_vlan_filters,
143 p_resp->num_vlan_filters,
144 p_req->num_mc_filters, p_resp->num_mc_filters);
145
146 /* humble our request */
147 p_req->num_txqs = p_resp->num_txqs;
148 p_req->num_rxqs = p_resp->num_rxqs;
149 p_req->num_sbs = p_resp->num_sbs;
150 p_req->num_mac_filters = p_resp->num_mac_filters;
151 p_req->num_vlan_filters = p_resp->num_vlan_filters;
152 p_req->num_mc_filters = p_resp->num_mc_filters;
153}
1408cc1f
YM		 154
155static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
156{
157 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
158 struct pfvf_acquire_resp_tlv *resp = &p_iov->pf2vf_reply->acquire_resp;
159 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1cf2b1a9 160 struct vf_pf_resc_request *p_resc;
1408cc1f
YM		 161 bool resources_acquired = false;
162 struct vfpf_acquire_tlv *req;
163 int rc = 0, attempts = 0;
164
165 /* clear mailbox and prep first tlv */
166 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_ACQUIRE, sizeof(*req));
1cf2b1a9 167 p_resc = &req->resc_request;
1408cc1f
YM		 168
169 /* starting filling the request */
170 req->vfdev_info.opaque_fid = p_hwfn->hw_info.opaque_fid;
171
1cf2b1a9
YM		 172 p_resc->num_rxqs = QED_MAX_VF_CHAINS_PER_PF;
173 p_resc->num_txqs = QED_MAX_VF_CHAINS_PER_PF;
174 p_resc->num_sbs = QED_MAX_VF_CHAINS_PER_PF;
175 p_resc->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
176 p_resc->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
1408cc1f
YM		 177
178 req->vfdev_info.os_type = VFPF_ACQUIRE_OS_LINUX;
179 req->vfdev_info.fw_major = FW_MAJOR_VERSION;
180 req->vfdev_info.fw_minor = FW_MINOR_VERSION;
181 req->vfdev_info.fw_revision = FW_REVISION_VERSION;
182 req->vfdev_info.fw_engineering = FW_ENGINEERING_VERSION;
1fe614d1
YM		 183 req->vfdev_info.eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
184 req->vfdev_info.eth_fp_hsi_minor = ETH_HSI_VER_MINOR;
1408cc1f
YM		 185
186 /* Fill capability field with any non-deprecated config we support */
187 req->vfdev_info.capabilities |= VFPF_ACQUIRE_CAP_100G;
188
189 /* pf 2 vf bulletin board address */
190 req->bulletin_addr = p_iov->bulletin.phys;
191 req->bulletin_size = p_iov->bulletin.size;
192
193 /* add list termination tlv */
194 qed_add_tlv(p_hwfn, &p_iov->offset,
195 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
196
197 while (!resources_acquired) {
198 DP_VERBOSE(p_hwfn,
199 QED_MSG_IOV, "attempting to acquire resources\n");
200
d8c2c7e3
YM		 201 /* Clear response buffer, as this might be a re-send */
202 memset(p_iov->pf2vf_reply, 0, sizeof(union pfvf_tlvs));
203
1408cc1f
YM		 204 /* send acquire request */
205 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
206 if (rc)
207 return rc;
208
209 /* copy acquire response from buffer to p_hwfn */
210 memcpy(&p_iov->acquire_resp, resp, sizeof(p_iov->acquire_resp));
211
212 attempts++;
213
214 if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
215 /* PF agrees to allocate our resources */
216 if (!(resp->pfdev_info.capabilities &
217 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE)) {
d8c2c7e3
YM		 218 /* It's possible legacy PF mistakenly accepted;
219 * but we don't care - simply mark it as
220 * legacy and continue.
221 */
222 req->vfdev_info.capabilities |=
223 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
1408cc1f
YM		 224 }
225 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "resources acquired\n");
226 resources_acquired = true;
227 } else if (resp->hdr.status == PFVF_STATUS_NO_RESOURCE &&
228 attempts < VF_ACQUIRE_THRESH) {
1cf2b1a9
YM		 229 qed_vf_pf_acquire_reduce_resc(p_hwfn, p_resc,
230 &resp->resc);
d8c2c7e3
YM		 231 } else if (resp->hdr.status == PFVF_STATUS_NOT_SUPPORTED) {
232 if (pfdev_info->major_fp_hsi &&
233 (pfdev_info->major_fp_hsi != ETH_HSI_VER_MAJOR)) {
234 DP_NOTICE(p_hwfn,
235 "PF uses an incompatible fastpath HSI %02x.%02x [VF requires %02x.%02x]. Please change to a VF driver using %02x.xx.\n",
236 pfdev_info->major_fp_hsi,
237 pfdev_info->minor_fp_hsi,
238 ETH_HSI_VER_MAJOR,
239 ETH_HSI_VER_MINOR,
240 pfdev_info->major_fp_hsi);
241 rc = -EINVAL;
242 goto exit;
243 }
1408cc1f 244
d8c2c7e3
YM		 245 if (!pfdev_info->major_fp_hsi) {
246 if (req->vfdev_info.capabilities &
247 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
248 DP_NOTICE(p_hwfn,
249 "PF uses very old drivers. Please change to a VF driver using no later than 8.8.x.x.\n");
250 rc = -EINVAL;
251 goto exit;
252 } else {
253 DP_INFO(p_hwfn,
254 "PF is old - try re-acquire to see if it supports FW-version override\n");
255 req->vfdev_info.capabilities |=
256 VFPF_ACQUIRE_CAP_PRE_FP_HSI;
257 continue;
258 }
259 }
260
261 /* If PF/VF are using same Major, PF must have had
262 * it's reasons. Simply fail.
263 */
264 DP_NOTICE(p_hwfn, "PF rejected acquisition by VF\n");
265 rc = -EINVAL;
266 goto exit;
1408cc1f
YM		 267 } else {
268 DP_ERR(p_hwfn,
269 "PF returned error %d to VF acquisition request\n",
270 resp->hdr.status);
d8c2c7e3
YM		 271 rc = -EAGAIN;
272 goto exit;
1408cc1f
YM		 273 }
274 }
275
d8c2c7e3
YM		 276 /* Mark the PF as legacy, if needed */
277 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_PRE_FP_HSI)
278 p_iov->b_pre_fp_hsi = true;
279
1408cc1f
YM		 280 /* Update bulletin board size with response from PF */
281 p_iov->bulletin.size = resp->bulletin_size;
282
283 /* get HW info */
284 p_hwfn->cdev->type = resp->pfdev_info.dev_type;
285 p_hwfn->cdev->chip_rev = resp->pfdev_info.chip_rev;
286
287 p_hwfn->cdev->chip_num = pfdev_info->chip_num & 0xffff;
288
289 /* Learn of the possibility of CMT */
290 if (IS_LEAD_HWFN(p_hwfn)) {
291 if (resp->pfdev_info.capabilities & PFVF_ACQUIRE_CAP_100G) {
292 DP_NOTICE(p_hwfn, "100g VF\n");
293 p_hwfn->cdev->num_hwfns = 2;
294 }
295 }
296
d8c2c7e3
YM		 297 if (!p_iov->b_pre_fp_hsi &&
298 ETH_HSI_VER_MINOR &&
1fe614d1
YM		 299 (resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
300 DP_INFO(p_hwfn,
301 "PF is using older fastpath HSI; %02x.%02x is configured\n",
302 ETH_HSI_VER_MAJOR, resp->pfdev_info.minor_fp_hsi);
303 }
304
d8c2c7e3 305exit:
b0bccb69
YM		 306 qed_vf_pf_req_end(p_hwfn, rc);
307
d8c2c7e3 308 return rc;
1408cc1f
YM		 309}
310
311int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
312{
313 struct qed_vf_iov *p_iov;
314 u32 reg;
315
316 /* Set number of hwfns - might be overriden once leading hwfn learns
317 * actual configuration from PF.
318 */
319 if (IS_LEAD_HWFN(p_hwfn))
320 p_hwfn->cdev->num_hwfns = 1;
321
322 /* Set the doorbell bar. Assumption: regview is set */
323 p_hwfn->doorbells = (u8 __iomem *)p_hwfn->regview +
324 PXP_VF_BAR0_START_DQ;
325
326 reg = PXP_VF_BAR0_ME_OPAQUE_ADDRESS;
327 p_hwfn->hw_info.opaque_fid = (u16)REG_RD(p_hwfn, reg);
328
329 reg = PXP_VF_BAR0_ME_CONCRETE_ADDRESS;
330 p_hwfn->hw_info.concrete_fid = REG_RD(p_hwfn, reg);
331
332 /* Allocate vf sriov info */
333 p_iov = kzalloc(sizeof(*p_iov), GFP_KERNEL);
2591c280 334 if (!p_iov)
1408cc1f 335 return -ENOMEM;
1408cc1f
YM		 336
337 /* Allocate vf2pf msg */
338 p_iov->vf2pf_request = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
339 sizeof(union vfpf_tlvs),
340 &p_iov->vf2pf_request_phys,
341 GFP_KERNEL);
2591c280 342 if (!p_iov->vf2pf_request)
1408cc1f 343 goto free_p_iov;
1408cc1f
YM		 344
345 p_iov->pf2vf_reply = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
346 sizeof(union pfvf_tlvs),
347 &p_iov->pf2vf_reply_phys,
348 GFP_KERNEL);
2591c280 349 if (!p_iov->pf2vf_reply)
1408cc1f 350 goto free_vf2pf_request;
1408cc1f
YM		 351
352 DP_VERBOSE(p_hwfn,
353 QED_MSG_IOV,
354 "VF's Request mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys]\n",
355 p_iov->vf2pf_request,
356 (u64) p_iov->vf2pf_request_phys,
357 p_iov->pf2vf_reply, (u64)p_iov->pf2vf_reply_phys);
358
359 /* Allocate Bulletin board */
360 p_iov->bulletin.size = sizeof(struct qed_bulletin_content);
361 p_iov->bulletin.p_virt = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
362 p_iov->bulletin.size,
363 &p_iov->bulletin.phys,
364 GFP_KERNEL);
365 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
366 "VF's bulletin Board [%p virt 0x%llx phys 0x%08x bytes]\n",
367 p_iov->bulletin.p_virt,
368 (u64)p_iov->bulletin.phys, p_iov->bulletin.size);
369
370 mutex_init(&p_iov->mutex);
371
372 p_hwfn->vf_iov_info = p_iov;
373
374 p_hwfn->hw_info.personality = QED_PCI_ETH;
375
376 return qed_vf_pf_acquire(p_hwfn);
377
378free_vf2pf_request:
379 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
380 sizeof(union vfpf_tlvs),
381 p_iov->vf2pf_request, p_iov->vf2pf_request_phys);
382free_p_iov:
383 kfree(p_iov);
384
385 return -ENOMEM;
386}
d8c2c7e3
YM		 387#define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
388#define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
389 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
1408cc1f 390
3da7a37a
MY		 391int
392qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
393 struct qed_queue_cid *p_cid,
394 u16 bd_max_bytes,
395 dma_addr_t bd_chain_phys_addr,
396 dma_addr_t cqe_pbl_addr,
397 u16 cqe_pbl_size, void __iomem **pp_prod)
dacd88d6
YM		 398{
399 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
400 struct pfvf_start_queue_resp_tlv *resp;
401 struct vfpf_start_rxq_tlv *req;
3da7a37a 402 u8 rx_qid = p_cid->rel.queue_id;
dacd88d6
YM		 403 int rc;
404
405 /* clear mailbox and prep first tlv */
406 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_RXQ, sizeof(*req));
407
408 req->rx_qid = rx_qid;
409 req->cqe_pbl_addr = cqe_pbl_addr;
410 req->cqe_pbl_size = cqe_pbl_size;
411 req->rxq_addr = bd_chain_phys_addr;
3da7a37a
MY		 412 req->hw_sb = p_cid->rel.sb;
413 req->sb_index = p_cid->rel.sb_idx;
dacd88d6
YM		 414 req->bd_max_bytes = bd_max_bytes;
415 req->stat_id = -1;
416
d8c2c7e3
YM		 417 /* If PF is legacy, we'll need to calculate producers ourselves
418 * as well as clean them.
419 */
3da7a37a 420 if (p_iov->b_pre_fp_hsi) {
d8c2c7e3
YM		 421 u8 hw_qid = p_iov->acquire_resp.resc.hw_qid[rx_qid];
422 u32 init_prod_val = 0;
423
3da7a37a
MY		 424 *pp_prod = (u8 __iomem *)
425 p_hwfn->regview +
426 MSTORM_QZONE_START(p_hwfn->cdev) +
427 hw_qid * MSTORM_QZONE_SIZE;
d8c2c7e3
YM		 428
429 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
430 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
431 (u32 *)(&init_prod_val));
432 }
dacd88d6
YM		 433 /* add list termination tlv */
434 qed_add_tlv(p_hwfn, &p_iov->offset,
435 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
436
437 resp = &p_iov->pf2vf_reply->queue_start;
438 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
439 if (rc)
b0bccb69 440 goto exit;
dacd88d6 441
b0bccb69
YM		 442 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
443 rc = -EINVAL;
444 goto exit;
445 }
dacd88d6
YM		 446
447 /* Learn the address of the producer from the response */
3da7a37a 448 if (!p_iov->b_pre_fp_hsi) {
b21290b7 449 u32 init_prod_val = 0;
dacd88d6
YM		 450
451 *pp_prod = (u8 __iomem *)p_hwfn->regview + resp->offset;
452 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
453 "Rxq[0x%02x]: producer at %p [offset 0x%08x]\n",
454 rx_qid, *pp_prod, resp->offset);
455
456 /* Init the rcq, rx bd and rx sge (if valid) producers to 0 */
b21290b7 457 __internal_ram_wr(p_hwfn, *pp_prod, sizeof(u32),
dacd88d6
YM		 458 (u32 *)&init_prod_val);
459 }
b0bccb69
YM		 460exit:
461 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 462
463 return rc;
464}
465
3da7a37a
MY		 466int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
467 struct qed_queue_cid *p_cid, bool cqe_completion)
dacd88d6
YM		 468{
469 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
470 struct vfpf_stop_rxqs_tlv *req;
471 struct pfvf_def_resp_tlv *resp;
472 int rc;
473
474 /* clear mailbox and prep first tlv */
475 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_RXQS, sizeof(*req));
476
3da7a37a 477 req->rx_qid = p_cid->rel.queue_id;
dacd88d6
YM		 478 req->num_rxqs = 1;
479 req->cqe_completion = cqe_completion;
480
481 /* add list termination tlv */
482 qed_add_tlv(p_hwfn, &p_iov->offset,
483 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
484
485 resp = &p_iov->pf2vf_reply->default_resp;
486 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
487 if (rc)
b0bccb69
YM		 488 goto exit;
489
490 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
491 rc = -EINVAL;
492 goto exit;
493 }
dacd88d6 494
b0bccb69
YM		 495exit:
496 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 497
498 return rc;
499}
500
3da7a37a
MY		 501int
502qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
503 struct qed_queue_cid *p_cid,
504 dma_addr_t pbl_addr,
505 u16 pbl_size, void __iomem **pp_doorbell)
dacd88d6
YM		 506{
507 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
5040acf5 508 struct pfvf_start_queue_resp_tlv *resp;
dacd88d6 509 struct vfpf_start_txq_tlv *req;
3da7a37a 510 u16 qid = p_cid->rel.queue_id;
dacd88d6
YM		 511 int rc;
512
513 /* clear mailbox and prep first tlv */
514 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_START_TXQ, sizeof(*req));
515
3da7a37a 516 req->tx_qid = qid;
dacd88d6
YM		 517
518 /* Tx */
519 req->pbl_addr = pbl_addr;
520 req->pbl_size = pbl_size;
3da7a37a
MY		 521 req->hw_sb = p_cid->rel.sb;
522 req->sb_index = p_cid->rel.sb_idx;
dacd88d6
YM		 523
524 /* add list termination tlv */
525 qed_add_tlv(p_hwfn, &p_iov->offset,
526 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
527
5040acf5 528 resp = &p_iov->pf2vf_reply->queue_start;
dacd88d6
YM		 529 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
530 if (rc)
5040acf5 531 goto exit;
dacd88d6 532
5040acf5
YM		 533 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
534 rc = -EINVAL;
535 goto exit;
536 }
dacd88d6 537
3da7a37a
MY		 538 /* Modern PFs provide the actual offsets, while legacy
539 * provided only the queue id.
540 */
541 if (!p_iov->b_pre_fp_hsi) {
542 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells + resp->offset;
543 } else {
544 u8 cid = p_iov->acquire_resp.resc.cid[qid];
dacd88d6 545
3da7a37a
MY		 546 *pp_doorbell = (u8 __iomem *)p_hwfn->doorbells +
547 qed_db_addr_vf(cid,
548 DQ_DEMS_LEGACY);
dacd88d6 549 }
3da7a37a
MY		 550
551 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
552 "Txq[0x%02x]: doorbell at %p [offset 0x%08x]\n",
553 qid, *pp_doorbell, resp->offset);
5040acf5 554exit:
b0bccb69 555 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 556
557 return rc;
558}
559
3da7a37a 560int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid)
dacd88d6
YM		 561{
562 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
563 struct vfpf_stop_txqs_tlv *req;
564 struct pfvf_def_resp_tlv *resp;
565 int rc;
566
567 /* clear mailbox and prep first tlv */
568 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_STOP_TXQS, sizeof(*req));
569
3da7a37a 570 req->tx_qid = p_cid->rel.queue_id;
dacd88d6
YM		 571 req->num_txqs = 1;
572
573 /* add list termination tlv */
574 qed_add_tlv(p_hwfn, &p_iov->offset,
575 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
576
577 resp = &p_iov->pf2vf_reply->default_resp;
578 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
579 if (rc)
b0bccb69
YM		 580 goto exit;
581
582 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
583 rc = -EINVAL;
584 goto exit;
585 }
dacd88d6 586
b0bccb69
YM		 587exit:
588 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 589
590 return rc;
591}
592
593int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
594 u8 vport_id,
595 u16 mtu,
596 u8 inner_vlan_removal,
597 enum qed_tpa_mode tpa_mode,
08feecd7 598 u8 max_buffers_per_cqe, u8 only_untagged)
dacd88d6
YM		 599{
600 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
601 struct vfpf_vport_start_tlv *req;
602 struct pfvf_def_resp_tlv *resp;
603 int rc, i;
604
605 /* clear mailbox and prep first tlv */
606 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_START, sizeof(*req));
607
608 req->mtu = mtu;
609 req->vport_id = vport_id;
610 req->inner_vlan_removal = inner_vlan_removal;
611 req->tpa_mode = tpa_mode;
612 req->max_buffers_per_cqe = max_buffers_per_cqe;
08feecd7 613 req->only_untagged = only_untagged;
dacd88d6
YM		 614
615 /* status blocks */
616 for (i = 0; i < p_hwfn->vf_iov_info->acquire_resp.resc.num_sbs; i++)
617 if (p_hwfn->sbs_info[i])
618 req->sb_addr[i] = p_hwfn->sbs_info[i]->sb_phys;
619
620 /* add list termination tlv */
621 qed_add_tlv(p_hwfn, &p_iov->offset,
622 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
623
624 resp = &p_iov->pf2vf_reply->default_resp;
625 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
626 if (rc)
b0bccb69
YM		 627 goto exit;
628
629 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
630 rc = -EINVAL;
631 goto exit;
632 }
dacd88d6 633
b0bccb69
YM		 634exit:
635 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 636
637 return rc;
638}
639
640int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
641{
642 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
643 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
644 int rc;
645
646 /* clear mailbox and prep first tlv */
647 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_TEARDOWN,
648 sizeof(struct vfpf_first_tlv));
649
650 /* add list termination tlv */
651 qed_add_tlv(p_hwfn, &p_iov->offset,
652 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
653
654 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
655 if (rc)
b0bccb69 656 goto exit;
dacd88d6 657
b0bccb69
YM		 658 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
659 rc = -EINVAL;
660 goto exit;
661 }
662
663exit:
664 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6
YM		 665
666 return rc;
667}
668
669static bool
670qed_vf_handle_vp_update_is_needed(struct qed_hwfn *p_hwfn,
671 struct qed_sp_vport_update_params *p_data,
672 u16 tlv)
673{
674 switch (tlv) {
675 case CHANNEL_TLV_VPORT_UPDATE_ACTIVATE:
676 return !!(p_data->update_vport_active_rx_flg ||
677 p_data->update_vport_active_tx_flg);
17b235c1
YM		 678 case CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH:
679 return !!p_data->update_tx_switching_flg;
680 case CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP:
681 return !!p_data->update_inner_vlan_removal_flg;
08feecd7
YM		 682 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN:
683 return !!p_data->update_accept_any_vlan_flg;
dacd88d6
YM		 684 case CHANNEL_TLV_VPORT_UPDATE_MCAST:
685 return !!p_data->update_approx_mcast_flg;
686 case CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM:
687 return !!(p_data->accept_flags.update_rx_mode_config ||
688 p_data->accept_flags.update_tx_mode_config);
689 case CHANNEL_TLV_VPORT_UPDATE_RSS:
690 return !!p_data->rss_params;
17b235c1
YM		 691 case CHANNEL_TLV_VPORT_UPDATE_SGE_TPA:
692 return !!p_data->sge_tpa_params;
dacd88d6
YM		 693 default:
694 DP_INFO(p_hwfn, "Unexpected vport-update TLV[%d]\n",
695 tlv);
696 return false;
697 }
698}
699
700static void
701qed_vf_handle_vp_update_tlvs_resp(struct qed_hwfn *p_hwfn,
702 struct qed_sp_vport_update_params *p_data)
703{
704 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
705 struct pfvf_def_resp_tlv *p_resp;
706 u16 tlv;
707
708 for (tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
709 tlv < CHANNEL_TLV_VPORT_UPDATE_MAX; tlv++) {
710 if (!qed_vf_handle_vp_update_is_needed(p_hwfn, p_data, tlv))
711 continue;
712
713 p_resp = (struct pfvf_def_resp_tlv *)
714 qed_iov_search_list_tlvs(p_hwfn, p_iov->pf2vf_reply,
715 tlv);
716 if (p_resp && p_resp->hdr.status)
717 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
718 "TLV[%d] Configuration %s\n",
719 tlv,
720 (p_resp && p_resp->hdr.status) ? "succeeded"
721 : "failed");
722 }
723}
724
725int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
726 struct qed_sp_vport_update_params *p_params)
727{
728 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
729 struct vfpf_vport_update_tlv *req;
730 struct pfvf_def_resp_tlv *resp;
731 u8 update_rx, update_tx;
732 u32 resp_size = 0;
733 u16 size, tlv;
734 int rc;
735
736 resp = &p_iov->pf2vf_reply->default_resp;
737 resp_size = sizeof(*resp);
738
739 update_rx = p_params->update_vport_active_rx_flg;
740 update_tx = p_params->update_vport_active_tx_flg;
741
742 /* clear mailbox and prep header tlv */
743 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_VPORT_UPDATE, sizeof(*req));
744
745 /* Prepare extended tlvs */
746 if (update_rx || update_tx) {
747 struct vfpf_vport_update_activate_tlv *p_act_tlv;
748
749 size = sizeof(struct vfpf_vport_update_activate_tlv);
750 p_act_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
751 CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
752 size);
753 resp_size += sizeof(struct pfvf_def_resp_tlv);
754
755 if (update_rx) {
756 p_act_tlv->update_rx = update_rx;
757 p_act_tlv->active_rx = p_params->vport_active_rx_flg;
758 }
759
760 if (update_tx) {
761 p_act_tlv->update_tx = update_tx;
762 p_act_tlv->active_tx = p_params->vport_active_tx_flg;
763 }
764 }
765
831bfb0e
YM		 766 if (p_params->update_tx_switching_flg) {
767 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
768
769 size = sizeof(struct vfpf_vport_update_tx_switch_tlv);
770 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
771 p_tx_switch_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
772 tlv, size);
773 resp_size += sizeof(struct pfvf_def_resp_tlv);
774
775 p_tx_switch_tlv->tx_switching = p_params->tx_switching_flg;
776 }
777
dacd88d6
YM		 778 if (p_params->update_approx_mcast_flg) {
779 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
780
781 size = sizeof(struct vfpf_vport_update_mcast_bin_tlv);
782 p_mcast_tlv = qed_add_tlv(p_hwfn, &p_iov->offset,
783 CHANNEL_TLV_VPORT_UPDATE_MCAST, size);
784 resp_size += sizeof(struct pfvf_def_resp_tlv);
785
786 memcpy(p_mcast_tlv->bins, p_params->bins,
787 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
788 }
789
790 update_rx = p_params->accept_flags.update_rx_mode_config;
791 update_tx = p_params->accept_flags.update_tx_mode_config;
792
793 if (update_rx || update_tx) {
794 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
795
796 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
797 size = sizeof(struct vfpf_vport_update_accept_param_tlv);
798 p_accept_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
799 resp_size += sizeof(struct pfvf_def_resp_tlv);
800
801 if (update_rx) {
802 p_accept_tlv->update_rx_mode = update_rx;
803 p_accept_tlv->rx_accept_filter =
804 p_params->accept_flags.rx_accept_filter;
805 }
806
807 if (update_tx) {
808 p_accept_tlv->update_tx_mode = update_tx;
809 p_accept_tlv->tx_accept_filter =
810 p_params->accept_flags.tx_accept_filter;
811 }
812 }
813
814 if (p_params->rss_params) {
815 struct qed_rss_params *rss_params = p_params->rss_params;
816 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
817
818 size = sizeof(struct vfpf_vport_update_rss_tlv);
819 p_rss_tlv = qed_add_tlv(p_hwfn,
820 &p_iov->offset,
821 CHANNEL_TLV_VPORT_UPDATE_RSS, size);
822 resp_size += sizeof(struct pfvf_def_resp_tlv);
823
824 if (rss_params->update_rss_config)
825 p_rss_tlv->update_rss_flags |=
826 VFPF_UPDATE_RSS_CONFIG_FLAG;
827 if (rss_params->update_rss_capabilities)
828 p_rss_tlv->update_rss_flags |=
829 VFPF_UPDATE_RSS_CAPS_FLAG;
830 if (rss_params->update_rss_ind_table)
831 p_rss_tlv->update_rss_flags |=
832 VFPF_UPDATE_RSS_IND_TABLE_FLAG;
833 if (rss_params->update_rss_key)
834 p_rss_tlv->update_rss_flags |= VFPF_UPDATE_RSS_KEY_FLAG;
835
836 p_rss_tlv->rss_enable = rss_params->rss_enable;
837 p_rss_tlv->rss_caps = rss_params->rss_caps;
838 p_rss_tlv->rss_table_size_log = rss_params->rss_table_size_log;
839 memcpy(p_rss_tlv->rss_ind_table, rss_params->rss_ind_table,
840 sizeof(rss_params->rss_ind_table));
841 memcpy(p_rss_tlv->rss_key, rss_params->rss_key,
842 sizeof(rss_params->rss_key));
843 }
844
08feecd7
YM		 845 if (p_params->update_accept_any_vlan_flg) {
846 struct vfpf_vport_update_accept_any_vlan_tlv *p_any_vlan_tlv;
847
848 size = sizeof(struct vfpf_vport_update_accept_any_vlan_tlv);
849 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
850 p_any_vlan_tlv = qed_add_tlv(p_hwfn, &p_iov->offset, tlv, size);
851
852 resp_size += sizeof(struct pfvf_def_resp_tlv);
853 p_any_vlan_tlv->accept_any_vlan = p_params->accept_any_vlan;
854 p_any_vlan_tlv->update_accept_any_vlan_flg =
855 p_params->update_accept_any_vlan_flg;
856 }
857
dacd88d6
YM		 858 /* add list termination tlv */
859 qed_add_tlv(p_hwfn, &p_iov->offset,
860 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
861
862 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, resp_size);
863 if (rc)
b0bccb69 864 goto exit;
dacd88d6 865
b0bccb69
YM		 866 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
867 rc = -EINVAL;
868 goto exit;
869 }
dacd88d6
YM		 870
871 qed_vf_handle_vp_update_tlvs_resp(p_hwfn, p_params);
872
b0bccb69
YM		 873exit:
874 qed_vf_pf_req_end(p_hwfn, rc);
875
dacd88d6
YM		 876 return rc;
877}
878
0b55e27d
YM		 879int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
880{
881 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
882 struct pfvf_def_resp_tlv *resp;
883 struct vfpf_first_tlv *req;
884 int rc;
885
886 /* clear mailbox and prep first tlv */
887 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_CLOSE, sizeof(*req));
888
889 /* add list termination tlv */
890 qed_add_tlv(p_hwfn, &p_iov->offset,
891 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
892
893 resp = &p_iov->pf2vf_reply->default_resp;
894 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
895 if (rc)
b0bccb69 896 goto exit;
0b55e27d 897
b0bccb69
YM		 898 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
899 rc = -EAGAIN;
900 goto exit;
901 }
0b55e27d
YM		 902
903 p_hwfn->b_int_enabled = 0;
904
b0bccb69
YM		 905exit:
906 qed_vf_pf_req_end(p_hwfn, rc);
907
908 return rc;
0b55e27d
YM		 909}
910
911int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
912{
913 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
914 struct pfvf_def_resp_tlv *resp;
915 struct vfpf_first_tlv *req;
916 u32 size;
917 int rc;
918
919 /* clear mailbox and prep first tlv */
920 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_RELEASE, sizeof(*req));
921
922 /* add list termination tlv */
923 qed_add_tlv(p_hwfn, &p_iov->offset,
924 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
925
926 resp = &p_iov->pf2vf_reply->default_resp;
927 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
928
929 if (!rc && resp->hdr.status != PFVF_STATUS_SUCCESS)
930 rc = -EAGAIN;
931
b0bccb69
YM		 932 qed_vf_pf_req_end(p_hwfn, rc);
933
0b55e27d
YM		 934 p_hwfn->b_int_enabled = 0;
935
936 if (p_iov->vf2pf_request)
937 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
938 sizeof(union vfpf_tlvs),
939 p_iov->vf2pf_request,
940 p_iov->vf2pf_request_phys);
941 if (p_iov->pf2vf_reply)
942 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
943 sizeof(union pfvf_tlvs),
944 p_iov->pf2vf_reply, p_iov->pf2vf_reply_phys);
945
946 if (p_iov->bulletin.p_virt) {
947 size = sizeof(struct qed_bulletin_content);
948 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
949 size,
950 p_iov->bulletin.p_virt, p_iov->bulletin.phys);
951 }
952
953 kfree(p_hwfn->vf_iov_info);
954 p_hwfn->vf_iov_info = NULL;
955
956 return rc;
957}
958
dacd88d6
YM		 959void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
960 struct qed_filter_mcast *p_filter_cmd)
961{
962 struct qed_sp_vport_update_params sp_params;
963 int i;
964
965 memset(&sp_params, 0, sizeof(sp_params));
966 sp_params.update_approx_mcast_flg = 1;
967
968 if (p_filter_cmd->opcode == QED_FILTER_ADD) {
969 for (i = 0; i < p_filter_cmd->num_mc_addrs; i++) {
970 u32 bit;
971
972 bit = qed_mcast_bin_from_mac(p_filter_cmd->mac[i]);
973 __set_bit(bit, sp_params.bins);
974 }
975 }
976
977 qed_vf_pf_vport_update(p_hwfn, &sp_params);
978}
979
980int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
981 struct qed_filter_ucast *p_ucast)
982{
983 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
984 struct vfpf_ucast_filter_tlv *req;
985 struct pfvf_def_resp_tlv *resp;
986 int rc;
987
988 /* clear mailbox and prep first tlv */
989 req = qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_UCAST_FILTER, sizeof(*req));
990 req->opcode = (u8) p_ucast->opcode;
991 req->type = (u8) p_ucast->type;
992 memcpy(req->mac, p_ucast->mac, ETH_ALEN);
993 req->vlan = p_ucast->vlan;
994
995 /* add list termination tlv */
996 qed_add_tlv(p_hwfn, &p_iov->offset,
997 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
998
999 resp = &p_iov->pf2vf_reply->default_resp;
1000 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1001 if (rc)
b0bccb69 1002 goto exit;
dacd88d6 1003
b0bccb69
YM		 1004 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1005 rc = -EAGAIN;
1006 goto exit;
1007 }
1008
1009exit:
1010 qed_vf_pf_req_end(p_hwfn, rc);
dacd88d6 1011
b0bccb69 1012 return rc;
dacd88d6
YM		 1013}
1014
0b55e27d
YM		 1015int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1016{
1017 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1018 struct pfvf_def_resp_tlv *resp = &p_iov->pf2vf_reply->default_resp;
1019 int rc;
1020
1021 /* clear mailbox and prep first tlv */
1022 qed_vf_pf_prep(p_hwfn, CHANNEL_TLV_INT_CLEANUP,
1023 sizeof(struct vfpf_first_tlv));
1024
1025 /* add list termination tlv */
1026 qed_add_tlv(p_hwfn, &p_iov->offset,
1027 CHANNEL_TLV_LIST_END, sizeof(struct channel_list_end_tlv));
1028
1029 rc = qed_send_msg2pf(p_hwfn, &resp->hdr.status, sizeof(*resp));
1030 if (rc)
b0bccb69
YM		 1031 goto exit;
1032
1033 if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
1034 rc = -EINVAL;
1035 goto exit;
1036 }
0b55e27d 1037
b0bccb69
YM		 1038exit:
1039 qed_vf_pf_req_end(p_hwfn, rc);
0b55e27d 1040
b0bccb69 1041 return rc;
0b55e27d
YM		 1042}
1043
1408cc1f
YM		 1044u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1045{
1046 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1047
1048 if (!p_iov) {
1049 DP_NOTICE(p_hwfn, "vf_sriov_info isn't initialized\n");
1050 return 0;
1051 }
1052
1053 return p_iov->acquire_resp.resc.hw_sbs[sb_id].hw_sb_id;
1054}
1055
36558c3d
YM		 1056int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change)
1057{
1058 struct qed_vf_iov *p_iov = p_hwfn->vf_iov_info;
1059 struct qed_bulletin_content shadow;
1060 u32 crc, crc_size;
1061
1062 crc_size = sizeof(p_iov->bulletin.p_virt->crc);
1063 *p_change = 0;
1064
1065 /* Need to guarantee PF is not in the middle of writing it */
1066 memcpy(&shadow, p_iov->bulletin.p_virt, p_iov->bulletin.size);
1067
1068 /* If version did not update, no need to do anything */
1069 if (shadow.version == p_iov->bulletin_shadow.version)
1070 return 0;
1071
1072 /* Verify the bulletin we see is valid */
1073 crc = crc32(0, (u8 *)&shadow + crc_size,
1074 p_iov->bulletin.size - crc_size);
1075 if (crc != shadow.crc)
1076 return -EAGAIN;
1077
1078 /* Set the shadow bulletin and process it */
1079 memcpy(&p_iov->bulletin_shadow, &shadow, p_iov->bulletin.size);
1080
1081 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1082 "Read a bulletin update %08x\n", shadow.version);
1083
1084 *p_change = 1;
1085
1086 return 0;
1087}
1088
1089void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1090 struct qed_mcp_link_params *p_params,
1091 struct qed_bulletin_content *p_bulletin)
1092{
1093 memset(p_params, 0, sizeof(*p_params));
1094
1095 p_params->speed.autoneg = p_bulletin->req_autoneg;
1096 p_params->speed.advertised_speeds = p_bulletin->req_adv_speed;
1097 p_params->speed.forced_speed = p_bulletin->req_forced_speed;
1098 p_params->pause.autoneg = p_bulletin->req_autoneg_pause;
1099 p_params->pause.forced_rx = p_bulletin->req_forced_rx;
1100 p_params->pause.forced_tx = p_bulletin->req_forced_tx;
1101 p_params->loopback_mode = p_bulletin->req_loopback;
1102}
1103
1104void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1105 struct qed_mcp_link_params *params)
1106{
1107 __qed_vf_get_link_params(p_hwfn, params,
1108 &(p_hwfn->vf_iov_info->bulletin_shadow));
1109}
1110
1111void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1112 struct qed_mcp_link_state *p_link,
1113 struct qed_bulletin_content *p_bulletin)
1114{
1115 memset(p_link, 0, sizeof(*p_link));
1116
1117 p_link->link_up = p_bulletin->link_up;
1118 p_link->speed = p_bulletin->speed;
1119 p_link->full_duplex = p_bulletin->full_duplex;
1120 p_link->an = p_bulletin->autoneg;
1121 p_link->an_complete = p_bulletin->autoneg_complete;
1122 p_link->parallel_detection = p_bulletin->parallel_detection;
1123 p_link->pfc_enabled = p_bulletin->pfc_enabled;
1124 p_link->partner_adv_speed = p_bulletin->partner_adv_speed;
1125 p_link->partner_tx_flow_ctrl_en = p_bulletin->partner_tx_flow_ctrl_en;
1126 p_link->partner_rx_flow_ctrl_en = p_bulletin->partner_rx_flow_ctrl_en;
1127 p_link->partner_adv_pause = p_bulletin->partner_adv_pause;
1128 p_link->sfp_tx_fault = p_bulletin->sfp_tx_fault;
1129}
1130
1131void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1132 struct qed_mcp_link_state *link)
1133{
1134 __qed_vf_get_link_state(p_hwfn, link,
1135 &(p_hwfn->vf_iov_info->bulletin_shadow));
1136}
1137
1138void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1139 struct qed_mcp_link_capabilities *p_link_caps,
1140 struct qed_bulletin_content *p_bulletin)
1141{
1142 memset(p_link_caps, 0, sizeof(*p_link_caps));
1143 p_link_caps->speed_capabilities = p_bulletin->capability_speed;
1144}
1145
1146void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1147 struct qed_mcp_link_capabilities *p_link_caps)
1148{
1149 __qed_vf_get_link_caps(p_hwfn, p_link_caps,
1150 &(p_hwfn->vf_iov_info->bulletin_shadow));
1151}
1152
1408cc1f
YM		 1153void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
1154{
1155 *num_rxqs = p_hwfn->vf_iov_info->acquire_resp.resc.num_rxqs;
1156}
1157
1158void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
1159{
1160 memcpy(port_mac,
1161 p_hwfn->vf_iov_info->acquire_resp.pfdev_info.port_mac, ETH_ALEN);
1162}
1163
1164void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn, u8 *num_vlan_filters)
1165{
1166 struct qed_vf_iov *p_vf;
1167
1168 p_vf = p_hwfn->vf_iov_info;
1169 *num_vlan_filters = p_vf->acquire_resp.resc.num_vlan_filters;
1170}
1171
b0fca312
MY		 1172void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters)
1173{
1174 struct qed_vf_iov *p_vf = p_hwfn->vf_iov_info;
1175
1176 *num_mac_filters = p_vf->acquire_resp.resc.num_mac_filters;
1177}
1178
eff16960
YM		 1179bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
1180{
1181 struct qed_bulletin_content *bulletin;
1182
1183 bulletin = &p_hwfn->vf_iov_info->bulletin_shadow;
1184 if (!(bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)))
1185 return true;
1186
1187 /* Forbid VF from changing a MAC enforced by PF */
1188 if (ether_addr_equal(bulletin->mac, mac))
1189 return false;
1190
1191 return false;
1192}
1193
ba56947a
BX		 1194static bool qed_vf_bulletin_get_forced_mac(struct qed_hwfn *hwfn,
1195 u8 *dst_mac, u8 *p_is_forced)
eff16960
YM		 1196{
1197 struct qed_bulletin_content *bulletin;
1198
1199 bulletin = &hwfn->vf_iov_info->bulletin_shadow;
1200
1201 if (bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) {
1202 if (p_is_forced)
1203 *p_is_forced = 1;
1204 } else if (bulletin->valid_bitmap & (1 << VFPF_BULLETIN_MAC_ADDR)) {
1205 if (p_is_forced)
1206 *p_is_forced = 0;
1207 } else {
1208 return false;
1209 }
1210
1211 ether_addr_copy(dst_mac, bulletin->mac);
1212
1213 return true;
1214}
1215
1408cc1f
YM		 1216void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
1217 u16 *fw_major, u16 *fw_minor,
1218 u16 *fw_rev, u16 *fw_eng)
1219{
1220 struct pf_vf_pfdev_info *info;
1221
1222 info = &p_hwfn->vf_iov_info->acquire_resp.pfdev_info;
1223
1224 *fw_major = info->fw_major;
1225 *fw_minor = info->fw_minor;
1226 *fw_rev = info->fw_rev;
1227 *fw_eng = info->fw_eng;
1228}
36558c3d
YM		 1229
1230static void qed_handle_bulletin_change(struct qed_hwfn *hwfn)
1231{
eff16960
YM		 1232 struct qed_eth_cb_ops *ops = hwfn->cdev->protocol_ops.eth;
1233 u8 mac[ETH_ALEN], is_mac_exist, is_mac_forced;
1234 void *cookie = hwfn->cdev->ops_cookie;
1235
1236 is_mac_exist = qed_vf_bulletin_get_forced_mac(hwfn, mac,
1237 &is_mac_forced);
c3aaa403
YM		 1238 if (is_mac_exist && cookie)
1239 ops->force_mac(cookie, mac, !!is_mac_forced);
eff16960 1240
36558c3d
YM		 1241 /* Always update link configuration according to bulletin */
1242 qed_link_update(hwfn);
1243}
1244
1245void qed_iov_vf_task(struct work_struct *work)
1246{
1247 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
1248 iov_task.work);
1249 u8 change = 0;
1250
1251 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
1252 return;
1253
1254 /* Handle bulletin board changes */
1255 qed_vf_read_bulletin(hwfn, &change);
1256 if (change)
1257 qed_handle_bulletin_change(hwfn);
1258
1259 /* As VF is polling bulletin board, need to constantly re-schedule */
1260 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, HZ);
1261}
ubuntu-zesty-kernel mirror