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Merge tag 'omap-for-v5.0/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux...
[mirror_ubuntu-eoan-kernel.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.c
CommitLineData
32a47e72 1/* QLogic qed NIC Driver
e8f1cb50 2 * Copyright (c) 2015-2017 QLogic Corporation
32a47e72 3 *
e8f1cb50
MY		 4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
32a47e72
YM		 31 */
32
dacd88d6 33#include <linux/etherdevice.h>
36558c3d 34#include <linux/crc32.h>
f29ffdb6 35#include <linux/vmalloc.h>
0b55e27d 36#include <linux/qed/qed_iov_if.h>
1408cc1f
YM		 37#include "qed_cxt.h"
38#include "qed_hsi.h"
32a47e72 39#include "qed_hw.h"
1408cc1f 40#include "qed_init_ops.h"
32a47e72 41#include "qed_int.h"
1408cc1f 42#include "qed_mcp.h"
32a47e72 43#include "qed_reg_addr.h"
1408cc1f 44#include "qed_sp.h"
32a47e72
YM		 45#include "qed_sriov.h"
46#include "qed_vf.h"
6c9e80ea
MK		 47static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
48 u8 opcode,
49 __le16 echo,
50 union event_ring_data *data, u8 fw_return_code);
7425d822 51static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid);
32a47e72 52
3b19f478
MY		 53static u8 qed_vf_calculate_legacy(struct qed_vf_info *p_vf)
54{
08bc8f15 55 u8 legacy = 0;
3b19f478
MY		 56
57 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
58 ETH_HSI_VER_NO_PKT_LEN_TUNN)
59 legacy |= QED_QCID_LEGACY_VF_RX_PROD;
60
08bc8f15
MY		 61 if (!(p_vf->acquire.vfdev_info.capabilities &
62 VFPF_ACQUIRE_CAP_QUEUE_QIDS))
63 legacy |= QED_QCID_LEGACY_VF_CID;
64
3b19f478
MY		 65 return legacy;
66}
67
1408cc1f 68/* IOV ramrods */
1fe614d1 69static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
1408cc1f
YM		 70{
71 struct vf_start_ramrod_data *p_ramrod = NULL;
72 struct qed_spq_entry *p_ent = NULL;
73 struct qed_sp_init_data init_data;
74 int rc = -EINVAL;
1fe614d1 75 u8 fp_minor;
1408cc1f
YM		 76
77 /* Get SPQ entry */
78 memset(&init_data, 0, sizeof(init_data));
79 init_data.cid = qed_spq_get_cid(p_hwfn);
1fe614d1 80 init_data.opaque_fid = p_vf->opaque_fid;
1408cc1f
YM		 81 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
82
83 rc = qed_sp_init_request(p_hwfn, &p_ent,
84 COMMON_RAMROD_VF_START,
85 PROTOCOLID_COMMON, &init_data);
86 if (rc)
87 return rc;
88
89 p_ramrod = &p_ent->ramrod.vf_start;
90
1fe614d1
YM		 91 p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
92 p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
93
94 switch (p_hwfn->hw_info.personality) {
95 case QED_PCI_ETH:
96 p_ramrod->personality = PERSONALITY_ETH;
97 break;
98 case QED_PCI_ETH_ROCE:
99 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
100 break;
101 default:
102 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
103 p_hwfn->hw_info.personality);
fb5e7438 104 qed_sp_destroy_request(p_hwfn, p_ent);
1fe614d1
YM		 105 return -EINVAL;
106 }
107
108 fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
a044df83
YM		 109 if (fp_minor > ETH_HSI_VER_MINOR &&
110 fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1fe614d1
YM		 111 DP_VERBOSE(p_hwfn,
112 QED_MSG_IOV,
113 "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
114 p_vf->abs_vf_id,
115 ETH_HSI_VER_MAJOR,
116 fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
117 fp_minor = ETH_HSI_VER_MINOR;
118 }
1408cc1f 119
351a4ded 120 p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
1fe614d1
YM		 121 p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
122
123 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
124 "VF[%d] - Starting using HSI %02x.%02x\n",
125 p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
1408cc1f
YM		 126
127 return qed_spq_post(p_hwfn, p_ent, NULL);
128}
129
0b55e27d
YM		 130static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
131 u32 concrete_vfid, u16 opaque_vfid)
132{
133 struct vf_stop_ramrod_data *p_ramrod = NULL;
134 struct qed_spq_entry *p_ent = NULL;
135 struct qed_sp_init_data init_data;
136 int rc = -EINVAL;
137
138 /* Get SPQ entry */
139 memset(&init_data, 0, sizeof(init_data));
140 init_data.cid = qed_spq_get_cid(p_hwfn);
141 init_data.opaque_fid = opaque_vfid;
142 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
143
144 rc = qed_sp_init_request(p_hwfn, &p_ent,
145 COMMON_RAMROD_VF_STOP,
146 PROTOCOLID_COMMON, &init_data);
147 if (rc)
148 return rc;
149
150 p_ramrod = &p_ent->ramrod.vf_stop;
151
152 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
153
154 return qed_spq_post(p_hwfn, p_ent, NULL);
155}
156
da090917
TT		 157bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
158 int rel_vf_id,
159 bool b_enabled_only, bool b_non_malicious)
32a47e72
YM		 160{
161 if (!p_hwfn->pf_iov_info) {
162 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
163 return false;
164 }
165
166 if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
167 (rel_vf_id < 0))
168 return false;
169
170 if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
171 b_enabled_only)
172 return false;
173
7eff82b0
YM		 174 if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
175 b_non_malicious)
176 return false;
177
32a47e72
YM		 178 return true;
179}
180
37bff2b9
YM		 181static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
182 u16 relative_vf_id,
183 bool b_enabled_only)
184{
185 struct qed_vf_info *vf = NULL;
186
187 if (!p_hwfn->pf_iov_info) {
188 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
189 return NULL;
190 }
191
7eff82b0
YM		 192 if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
193 b_enabled_only, false))
37bff2b9
YM		 194 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
195 else
196 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
197 relative_vf_id);
198
199 return vf;
200}
201
007bc371
MY		 202static struct qed_queue_cid *
203qed_iov_get_vf_rx_queue_cid(struct qed_vf_queue *p_queue)
204{
205 int i;
206
207 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
208 if (p_queue->cids[i].p_cid && !p_queue->cids[i].b_is_tx)
209 return p_queue->cids[i].p_cid;
210 }
211
212 return NULL;
213}
214
f109c240
MY		 215enum qed_iov_validate_q_mode {
216 QED_IOV_VALIDATE_Q_NA,
217 QED_IOV_VALIDATE_Q_ENABLE,
218 QED_IOV_VALIDATE_Q_DISABLE,
219};
220
221static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
222 struct qed_vf_info *p_vf,
223 u16 qid,
224 enum qed_iov_validate_q_mode mode,
225 bool b_is_tx)
226{
007bc371
MY		 227 int i;
228
f109c240
MY		 229 if (mode == QED_IOV_VALIDATE_Q_NA)
230 return true;
231
007bc371
MY		 232 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
233 struct qed_vf_queue_cid *p_qcid;
234
235 p_qcid = &p_vf->vf_queues[qid].cids[i];
236
237 if (!p_qcid->p_cid)
238 continue;
239
240 if (p_qcid->b_is_tx != b_is_tx)
241 continue;
242
f109c240 243 return mode == QED_IOV_VALIDATE_Q_ENABLE;
007bc371 244 }
f109c240
MY		 245
246 /* In case we haven't found any valid cid, then its disabled */
247 return mode == QED_IOV_VALIDATE_Q_DISABLE;
248}
249
41086467 250static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
f109c240
MY		 251 struct qed_vf_info *p_vf,
252 u16 rx_qid,
253 enum qed_iov_validate_q_mode mode)
41086467 254{
f109c240 255 if (rx_qid >= p_vf->num_rxqs) {
41086467
YM		 256 DP_VERBOSE(p_hwfn,
257 QED_MSG_IOV,
258 "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
259 p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
f109c240
MY		 260 return false;
261 }
262
263 return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
41086467
YM		 264}
265
266static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
f109c240
MY		 267 struct qed_vf_info *p_vf,
268 u16 tx_qid,
269 enum qed_iov_validate_q_mode mode)
41086467 270{
f109c240 271 if (tx_qid >= p_vf->num_txqs) {
41086467
YM		 272 DP_VERBOSE(p_hwfn,
273 QED_MSG_IOV,
274 "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
275 p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
f109c240
MY		 276 return false;
277 }
278
279 return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
41086467
YM		 280}
281
282static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
283 struct qed_vf_info *p_vf, u16 sb_idx)
284{
285 int i;
286
287 for (i = 0; i < p_vf->num_sbs; i++)
288 if (p_vf->igu_sbs[i] == sb_idx)
289 return true;
290
291 DP_VERBOSE(p_hwfn,
292 QED_MSG_IOV,
293 "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
294 p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
295
296 return false;
297}
298
f109c240
MY		 299static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
300 struct qed_vf_info *p_vf)
301{
302 u8 i;
303
304 for (i = 0; i < p_vf->num_rxqs; i++)
305 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
306 QED_IOV_VALIDATE_Q_ENABLE,
307 false))
308 return true;
309
310 return false;
311}
312
313static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
314 struct qed_vf_info *p_vf)
315{
316 u8 i;
317
318 for (i = 0; i < p_vf->num_txqs; i++)
319 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
320 QED_IOV_VALIDATE_Q_ENABLE,
321 true))
322 return true;
323
324 return false;
325}
326
ba56947a
BX		 327static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
328 int vfid, struct qed_ptt *p_ptt)
36558c3d
YM		 329{
330 struct qed_bulletin_content *p_bulletin;
331 int crc_size = sizeof(p_bulletin->crc);
332 struct qed_dmae_params params;
333 struct qed_vf_info *p_vf;
334
335 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
336 if (!p_vf)
337 return -EINVAL;
338
339 if (!p_vf->vf_bulletin)
340 return -EINVAL;
341
342 p_bulletin = p_vf->bulletin.p_virt;
343
344 /* Increment bulletin board version and compute crc */
345 p_bulletin->version++;
346 p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
347 p_vf->bulletin.size - crc_size);
348
349 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
350 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
351 p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
352
353 /* propagate bulletin board via dmae to vm memory */
354 memset(&params, 0, sizeof(params));
355 params.flags = QED_DMAE_FLAG_VF_DST;
356 params.dst_vfid = p_vf->abs_vf_id;
357 return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
358 p_vf->vf_bulletin, p_vf->bulletin.size / 4,
359 &params);
360}
361
32a47e72
YM		 362static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
363{
364 struct qed_hw_sriov_info *iov = cdev->p_iov_info;
365 int pos = iov->pos;
366
367 DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
368 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
369
370 pci_read_config_word(cdev->pdev,
371 pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
372 pci_read_config_word(cdev->pdev,
373 pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
374
375 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
376 if (iov->num_vfs) {
377 DP_VERBOSE(cdev,
378 QED_MSG_IOV,
379 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
380 iov->num_vfs = 0;
381 }
382
383 pci_read_config_word(cdev->pdev,
384 pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
385
386 pci_read_config_word(cdev->pdev,
387 pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
388
389 pci_read_config_word(cdev->pdev,
390 pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
391
392 pci_read_config_dword(cdev->pdev,
393 pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
394
395 pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
396
397 pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
398
399 DP_VERBOSE(cdev,
400 QED_MSG_IOV,
401 "IOV info: nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n",
402 iov->nres,
403 iov->cap,
404 iov->ctrl,
405 iov->total_vfs,
406 iov->initial_vfs,
407 iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
408
409 /* Some sanity checks */
410 if (iov->num_vfs > NUM_OF_VFS(cdev) ||
411 iov->total_vfs > NUM_OF_VFS(cdev)) {
412 /* This can happen only due to a bug. In this case we set
413 * num_vfs to zero to avoid memory corruption in the code that
414 * assumes max number of vfs
415 */
416 DP_NOTICE(cdev,
417 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
418 iov->num_vfs);
419
420 iov->num_vfs = 0;
421 iov->total_vfs = 0;
422 }
423
424 return 0;
425}
426
32a47e72
YM		 427static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
428{
429 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
430 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
431 struct qed_bulletin_content *p_bulletin_virt;
432 dma_addr_t req_p, rply_p, bulletin_p;
433 union pfvf_tlvs *p_reply_virt_addr;
434 union vfpf_tlvs *p_req_virt_addr;
435 u8 idx = 0;
436
437 memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
438
439 p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
440 req_p = p_iov_info->mbx_msg_phys_addr;
441 p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
442 rply_p = p_iov_info->mbx_reply_phys_addr;
443 p_bulletin_virt = p_iov_info->p_bulletins;
444 bulletin_p = p_iov_info->bulletins_phys;
445 if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
446 DP_ERR(p_hwfn,
447 "qed_iov_setup_vfdb called without allocating mem first\n");
448 return;
449 }
450
451 for (idx = 0; idx < p_iov->total_vfs; idx++) {
452 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
453 u32 concrete;
454
455 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
456 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
457 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
458 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
459
460 vf->state = VF_STOPPED;
461 vf->b_init = false;
462
463 vf->bulletin.phys = idx *
464 sizeof(struct qed_bulletin_content) +
465 bulletin_p;
466 vf->bulletin.p_virt = p_bulletin_virt + idx;
467 vf->bulletin.size = sizeof(struct qed_bulletin_content);
468
469 vf->relative_vf_id = idx;
470 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
471 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
472 vf->concrete_fid = concrete;
473 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
474 (vf->abs_vf_id << 8);
475 vf->vport_id = idx + 1;
1cf2b1a9
YM		 476
477 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
478 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
32a47e72
YM		 479 }
480}
481
482static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
483{
484 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
485 void **p_v_addr;
486 u16 num_vfs = 0;
487
488 num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
489
490 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
491 "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
492
493 /* Allocate PF Mailbox buffer (per-VF) */
494 p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
495 p_v_addr = &p_iov_info->mbx_msg_virt_addr;
496 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
497 p_iov_info->mbx_msg_size,
498 &p_iov_info->mbx_msg_phys_addr,
499 GFP_KERNEL);
500 if (!*p_v_addr)
501 return -ENOMEM;
502
503 /* Allocate PF Mailbox Reply buffer (per-VF) */
504 p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
505 p_v_addr = &p_iov_info->mbx_reply_virt_addr;
506 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
507 p_iov_info->mbx_reply_size,
508 &p_iov_info->mbx_reply_phys_addr,
509 GFP_KERNEL);
510 if (!*p_v_addr)
511 return -ENOMEM;
512
513 p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
514 num_vfs;
515 p_v_addr = &p_iov_info->p_bulletins;
516 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
517 p_iov_info->bulletins_size,
518 &p_iov_info->bulletins_phys,
519 GFP_KERNEL);
520 if (!*p_v_addr)
521 return -ENOMEM;
522
523 DP_VERBOSE(p_hwfn,
524 QED_MSG_IOV,
525 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
526 p_iov_info->mbx_msg_virt_addr,
527 (u64) p_iov_info->mbx_msg_phys_addr,
528 p_iov_info->mbx_reply_virt_addr,
529 (u64) p_iov_info->mbx_reply_phys_addr,
530 p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
531
532 return 0;
533}
534
535static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
536{
537 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
538
539 if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
540 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
541 p_iov_info->mbx_msg_size,
542 p_iov_info->mbx_msg_virt_addr,
543 p_iov_info->mbx_msg_phys_addr);
544
545 if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
546 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
547 p_iov_info->mbx_reply_size,
548 p_iov_info->mbx_reply_virt_addr,
549 p_iov_info->mbx_reply_phys_addr);
550
551 if (p_iov_info->p_bulletins)
552 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
553 p_iov_info->bulletins_size,
554 p_iov_info->p_bulletins,
555 p_iov_info->bulletins_phys);
556}
557
558int qed_iov_alloc(struct qed_hwfn *p_hwfn)
559{
560 struct qed_pf_iov *p_sriov;
561
562 if (!IS_PF_SRIOV(p_hwfn)) {
563 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
564 "No SR-IOV - no need for IOV db\n");
565 return 0;
566 }
567
568 p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
2591c280 569 if (!p_sriov)
32a47e72 570 return -ENOMEM;
32a47e72
YM		 571
572 p_hwfn->pf_iov_info = p_sriov;
573
6c9e80ea
MK		 574 qed_spq_register_async_cb(p_hwfn, PROTOCOLID_COMMON,
575 qed_sriov_eqe_event);
576
32a47e72
YM		 577 return qed_iov_allocate_vfdb(p_hwfn);
578}
579
1ee240e3 580void qed_iov_setup(struct qed_hwfn *p_hwfn)
32a47e72
YM		 581{
582 if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
583 return;
584
585 qed_iov_setup_vfdb(p_hwfn);
32a47e72
YM		 586}
587
588void qed_iov_free(struct qed_hwfn *p_hwfn)
589{
6c9e80ea
MK		 590 qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_COMMON);
591
32a47e72
YM		 592 if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
593 qed_iov_free_vfdb(p_hwfn);
594 kfree(p_hwfn->pf_iov_info);
595 }
596}
597
598void qed_iov_free_hw_info(struct qed_dev *cdev)
599{
600 kfree(cdev->p_iov_info);
601 cdev->p_iov_info = NULL;
602}
603
604int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
605{
606 struct qed_dev *cdev = p_hwfn->cdev;
607 int pos;
608 int rc;
609
1408cc1f
YM		 610 if (IS_VF(p_hwfn->cdev))
611 return 0;
612
32a47e72
YM		 613 /* Learn the PCI configuration */
614 pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
615 PCI_EXT_CAP_ID_SRIOV);
616 if (!pos) {
617 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
618 return 0;
619 }
620
621 /* Allocate a new struct for IOV information */
622 cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
2591c280 623 if (!cdev->p_iov_info)
32a47e72 624 return -ENOMEM;
2591c280 625
32a47e72
YM		 626 cdev->p_iov_info->pos = pos;
627
628 rc = qed_iov_pci_cfg_info(cdev);
629 if (rc)
630 return rc;
631
632 /* We want PF IOV to be synonemous with the existance of p_iov_info;
633 * In case the capability is published but there are no VFs, simply
634 * de-allocate the struct.
635 */
636 if (!cdev->p_iov_info->total_vfs) {
637 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
638 "IOV capabilities, but no VFs are published\n");
639 kfree(cdev->p_iov_info);
640 cdev->p_iov_info = NULL;
641 return 0;
642 }
643
9c79ddaa
MY		 644 /* First VF index based on offset is tricky:
645 * - If ARI is supported [likely], offset - (16 - pf_id) would
646 * provide the number for eng0. 2nd engine Vfs would begin
647 * after the first engine's VFs.
648 * - If !ARI, VFs would start on next device.
649 * so offset - (256 - pf_id) would provide the number.
650 * Utilize the fact that (256 - pf_id) is achieved only by later
8ac1ed79 651 * to differentiate between the two.
32a47e72 652 */
9c79ddaa
MY		 653
654 if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
655 u32 first = p_hwfn->cdev->p_iov_info->offset +
656 p_hwfn->abs_pf_id - 16;
657
658 cdev->p_iov_info->first_vf_in_pf = first;
659
660 if (QED_PATH_ID(p_hwfn))
661 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
662 } else {
663 u32 first = p_hwfn->cdev->p_iov_info->offset +
664 p_hwfn->abs_pf_id - 256;
665
666 cdev->p_iov_info->first_vf_in_pf = first;
667 }
32a47e72
YM		 668
669 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
670 "First VF in hwfn 0x%08x\n",
671 cdev->p_iov_info->first_vf_in_pf);
672
673 return 0;
674}
675
bf774d14
Y		 676static bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
677 int vfid, bool b_fail_malicious)
37bff2b9
YM		 678{
679 /* Check PF supports sriov */
b0409fa0
YM		 680 if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
681 !IS_PF_SRIOV_ALLOC(p_hwfn))
37bff2b9
YM		 682 return false;
683
684 /* Check VF validity */
7eff82b0 685 if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
37bff2b9
YM		 686 return false;
687
688 return true;
689}
690
bf774d14 691static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
7eff82b0
YM		 692{
693 return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
694}
695
0b55e27d
YM		 696static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
697 u16 rel_vf_id, u8 to_disable)
698{
699 struct qed_vf_info *vf;
700 int i;
701
702 for_each_hwfn(cdev, i) {
703 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
704
705 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
706 if (!vf)
707 continue;
708
709 vf->to_disable = to_disable;
710 }
711}
712
ba56947a 713static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
0b55e27d
YM		 714{
715 u16 i;
716
717 if (!IS_QED_SRIOV(cdev))
718 return;
719
720 for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
721 qed_iov_set_vf_to_disable(cdev, i, to_disable);
722}
723
1408cc1f
YM		 724static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
725 struct qed_ptt *p_ptt, u8 abs_vfid)
726{
727 qed_wr(p_hwfn, p_ptt,
728 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
729 1 << (abs_vfid & 0x1f));
730}
731
dacd88d6
YM		 732static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
733 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
734{
dacd88d6
YM		 735 int i;
736
737 /* Set VF masks and configuration - pretend */
738 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
739
740 qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
741
dacd88d6
YM		 742 /* unpretend */
743 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
744
745 /* iterate over all queues, clear sb consumer */
b2b897eb
YM		 746 for (i = 0; i < vf->num_sbs; i++)
747 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
748 vf->igu_sbs[i],
749 vf->opaque_fid, true);
dacd88d6
YM		 750}
751
0b55e27d
YM		 752static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
753 struct qed_ptt *p_ptt,
754 struct qed_vf_info *vf, bool enable)
755{
756 u32 igu_vf_conf;
757
758 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
759
760 igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
761
762 if (enable)
763 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
764 else
765 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
766
767 qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
768
769 /* unpretend */
770 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
771}
772
88072fd4
MY		 773static int
774qed_iov_enable_vf_access_msix(struct qed_hwfn *p_hwfn,
775 struct qed_ptt *p_ptt, u8 abs_vf_id, u8 num_sbs)
776{
777 u8 current_max = 0;
778 int i;
779
780 /* For AH onward, configuration is per-PF. Find maximum of all
781 * the currently enabled child VFs, and set the number to be that.
782 */
783 if (!QED_IS_BB(p_hwfn->cdev)) {
784 qed_for_each_vf(p_hwfn, i) {
785 struct qed_vf_info *p_vf;
786
787 p_vf = qed_iov_get_vf_info(p_hwfn, (u16)i, true);
788 if (!p_vf)
789 continue;
790
791 current_max = max_t(u8, current_max, p_vf->num_sbs);
792 }
793 }
794
795 if (num_sbs > current_max)
796 return qed_mcp_config_vf_msix(p_hwfn, p_ptt,
797 abs_vf_id, num_sbs);
798
799 return 0;
800}
801
1408cc1f
YM		 802static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
803 struct qed_ptt *p_ptt,
804 struct qed_vf_info *vf)
805{
806 u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
807 int rc;
808
4e9b2a67
MY		 809 /* It's possible VF was previously considered malicious -
810 * clear the indication even if we're only going to disable VF.
811 */
812 vf->b_malicious = false;
813
0b55e27d
YM		 814 if (vf->to_disable)
815 return 0;
816
1408cc1f
YM		 817 DP_VERBOSE(p_hwfn,
818 QED_MSG_IOV,
819 "Enable internal access for vf %x [abs %x]\n",
820 vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
821
822 qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
823
b2b897eb
YM		 824 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
825
88072fd4
MY		 826 rc = qed_iov_enable_vf_access_msix(p_hwfn, p_ptt,
827 vf->abs_vf_id, vf->num_sbs);
1408cc1f
YM		 828 if (rc)
829 return rc;
830
831 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
832
833 SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
834 STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
835
836 qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
837 p_hwfn->hw_info.hw_mode);
838
839 /* unpretend */
840 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
841
1408cc1f
YM		 842 vf->state = VF_FREE;
843
844 return rc;
845}
846
0b55e27d
YM		 847/**
848 * @brief qed_iov_config_perm_table - configure the permission
849 * zone table.
850 * In E4, queue zone permission table size is 320x9. There
851 * are 320 VF queues for single engine device (256 for dual
852 * engine device), and each entry has the following format:
853 * {Valid, VF[7:0]}
854 * @param p_hwfn
855 * @param p_ptt
856 * @param vf
857 * @param enable
858 */
859static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
860 struct qed_ptt *p_ptt,
861 struct qed_vf_info *vf, u8 enable)
862{
863 u32 reg_addr, val;
864 u16 qzone_id = 0;
865 int qid;
866
867 for (qid = 0; qid < vf->num_rxqs; qid++) {
868 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
869 &qzone_id);
870
871 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
1a635e48 872 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
0b55e27d
YM		 873 qed_wr(p_hwfn, p_ptt, reg_addr, val);
874 }
875}
876
dacd88d6
YM		 877static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
878 struct qed_ptt *p_ptt,
879 struct qed_vf_info *vf)
880{
881 /* Reset vf in IGU - interrupts are still disabled */
882 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
883
884 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
885
886 /* Permission Table */
887 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
888}
889
1408cc1f
YM		 890static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
891 struct qed_ptt *p_ptt,
892 struct qed_vf_info *vf, u16 num_rx_queues)
893{
09b6b147
MY		 894 struct qed_igu_block *p_block;
895 struct cau_sb_entry sb_entry;
896 int qid = 0;
1408cc1f
YM		 897 u32 val = 0;
898
726fdbe9
MY		 899 if (num_rx_queues > p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov)
900 num_rx_queues = p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov;
901 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov -= num_rx_queues;
1408cc1f
YM		 902
903 SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
904 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
905 SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
906
09b6b147
MY		 907 for (qid = 0; qid < num_rx_queues; qid++) {
908 p_block = qed_get_igu_free_sb(p_hwfn, false);
909 vf->igu_sbs[qid] = p_block->igu_sb_id;
910 p_block->status &= ~QED_IGU_STATUS_FREE;
911 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
912
913 qed_wr(p_hwfn, p_ptt,
914 IGU_REG_MAPPING_MEMORY +
915 sizeof(u32) * p_block->igu_sb_id, val);
916
917 /* Configure igu sb in CAU which were marked valid */
918 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
919 p_hwfn->rel_pf_id, vf->abs_vf_id, 1);
920 qed_dmae_host2grc(p_hwfn, p_ptt,
921 (u64)(uintptr_t)&sb_entry,
922 CAU_REG_SB_VAR_MEMORY +
923 p_block->igu_sb_id * sizeof(u64), 2, 0);
1408cc1f
YM		 924 }
925
926 vf->num_sbs = (u8) num_rx_queues;
927
928 return vf->num_sbs;
929}
930
0b55e27d
YM		 931static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
932 struct qed_ptt *p_ptt,
933 struct qed_vf_info *vf)
934{
935 struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
936 int idx, igu_id;
937 u32 addr, val;
938
939 /* Invalidate igu CAM lines and mark them as free */
940 for (idx = 0; idx < vf->num_sbs; idx++) {
941 igu_id = vf->igu_sbs[idx];
942 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
943
944 val = qed_rd(p_hwfn, p_ptt, addr);
945 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
946 qed_wr(p_hwfn, p_ptt, addr, val);
947
d749dd0d 948 p_info->entry[igu_id].status |= QED_IGU_STATUS_FREE;
726fdbe9 949 p_hwfn->hw_info.p_igu_info->usage.free_cnt_iov++;
0b55e27d
YM		 950 }
951
952 vf->num_sbs = 0;
953}
954
33b2fbd0
MY		 955static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
956 u16 vfid,
957 struct qed_mcp_link_params *params,
958 struct qed_mcp_link_state *link,
959 struct qed_mcp_link_capabilities *p_caps)
960{
961 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
962 vfid,
963 false);
964 struct qed_bulletin_content *p_bulletin;
965
966 if (!p_vf)
967 return;
968
969 p_bulletin = p_vf->bulletin.p_virt;
970 p_bulletin->req_autoneg = params->speed.autoneg;
971 p_bulletin->req_adv_speed = params->speed.advertised_speeds;
972 p_bulletin->req_forced_speed = params->speed.forced_speed;
973 p_bulletin->req_autoneg_pause = params->pause.autoneg;
974 p_bulletin->req_forced_rx = params->pause.forced_rx;
975 p_bulletin->req_forced_tx = params->pause.forced_tx;
976 p_bulletin->req_loopback = params->loopback_mode;
977
978 p_bulletin->link_up = link->link_up;
979 p_bulletin->speed = link->speed;
980 p_bulletin->full_duplex = link->full_duplex;
981 p_bulletin->autoneg = link->an;
982 p_bulletin->autoneg_complete = link->an_complete;
983 p_bulletin->parallel_detection = link->parallel_detection;
984 p_bulletin->pfc_enabled = link->pfc_enabled;
985 p_bulletin->partner_adv_speed = link->partner_adv_speed;
986 p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
987 p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
988 p_bulletin->partner_adv_pause = link->partner_adv_pause;
989 p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
990
991 p_bulletin->capability_speed = p_caps->speed_capabilities;
992}
993
1408cc1f
YM		 994static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
995 struct qed_ptt *p_ptt,
3da7a37a 996 struct qed_iov_vf_init_params *p_params)
1408cc1f 997{
33b2fbd0
MY		 998 struct qed_mcp_link_capabilities link_caps;
999 struct qed_mcp_link_params link_params;
1000 struct qed_mcp_link_state link_state;
1408cc1f
YM		 1001 u8 num_of_vf_avaiable_chains = 0;
1002 struct qed_vf_info *vf = NULL;
3da7a37a 1003 u16 qid, num_irqs;
1408cc1f
YM		 1004 int rc = 0;
1005 u32 cids;
1006 u8 i;
1007
3da7a37a 1008 vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
1408cc1f
YM		 1009 if (!vf) {
1010 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
1011 return -EINVAL;
1012 }
1013
1014 if (vf->b_init) {
3da7a37a
MY		 1015 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
1016 p_params->rel_vf_id);
1408cc1f
YM		 1017 return -EINVAL;
1018 }
1019
3da7a37a
MY		 1020 /* Perform sanity checking on the requested queue_id */
1021 for (i = 0; i < p_params->num_queues; i++) {
1022 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
1023 u16 max_vf_qzone = min_vf_qzone +
1024 FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
1025
1026 qid = p_params->req_rx_queue[i];
1027 if (qid < min_vf_qzone || qid > max_vf_qzone) {
1028 DP_NOTICE(p_hwfn,
1029 "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
1030 qid,
1031 p_params->rel_vf_id,
1032 min_vf_qzone, max_vf_qzone);
1033 return -EINVAL;
1034 }
1035
1036 qid = p_params->req_tx_queue[i];
1037 if (qid > max_vf_qzone) {
1038 DP_NOTICE(p_hwfn,
1039 "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
1040 qid, p_params->rel_vf_id, max_vf_qzone);
1041 return -EINVAL;
1042 }
1043
1044 /* If client *really* wants, Tx qid can be shared with PF */
1045 if (qid < min_vf_qzone)
1046 DP_VERBOSE(p_hwfn,
1047 QED_MSG_IOV,
1048 "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1049 p_params->rel_vf_id, qid, i);
1050 }
1051
1408cc1f
YM		 1052 /* Limit number of queues according to number of CIDs */
1053 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1054 DP_VERBOSE(p_hwfn,
1055 QED_MSG_IOV,
1056 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
3da7a37a
MY		 1057 vf->relative_vf_id, p_params->num_queues, (u16)cids);
1058 num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1408cc1f
YM		 1059
1060 num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1061 p_ptt,
3da7a37a 1062 vf, num_irqs);
1408cc1f
YM		 1063 if (!num_of_vf_avaiable_chains) {
1064 DP_ERR(p_hwfn, "no available igu sbs\n");
1065 return -ENOMEM;
1066 }
1067
1068 /* Choose queue number and index ranges */
1069 vf->num_rxqs = num_of_vf_avaiable_chains;
1070 vf->num_txqs = num_of_vf_avaiable_chains;
1071
1072 for (i = 0; i < vf->num_rxqs; i++) {
007bc371 1073 struct qed_vf_queue *p_queue = &vf->vf_queues[i];
1408cc1f 1074
3da7a37a
MY		 1075 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1076 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1408cc1f 1077
1408cc1f 1078 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
007bc371
MY		 1079 "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x]\n",
1080 vf->relative_vf_id, i, vf->igu_sbs[i],
1081 p_queue->fw_rx_qid, p_queue->fw_tx_qid);
1408cc1f 1082 }
3da7a37a 1083
33b2fbd0
MY		 1084 /* Update the link configuration in bulletin */
1085 memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1086 sizeof(link_params));
1087 memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1088 memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1089 sizeof(link_caps));
1090 qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1091 &link_params, &link_state, &link_caps);
1092
1408cc1f
YM		 1093 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1094 if (!rc) {
1095 vf->b_init = true;
1096
1097 if (IS_LEAD_HWFN(p_hwfn))
1098 p_hwfn->cdev->p_iov_info->num_vfs++;
1099 }
1100
1101 return rc;
1102}
1103
0b55e27d
YM		 1104static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1105 struct qed_ptt *p_ptt, u16 rel_vf_id)
1106{
079d20a6
MC		 1107 struct qed_mcp_link_capabilities caps;
1108 struct qed_mcp_link_params params;
1109 struct qed_mcp_link_state link;
0b55e27d 1110 struct qed_vf_info *vf = NULL;
0b55e27d
YM		 1111
1112 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1113 if (!vf) {
1114 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1115 return -EINVAL;
1116 }
1117
36558c3d
YM		 1118 if (vf->bulletin.p_virt)
1119 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1120
1121 memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1122
079d20a6
MC		 1123 /* Get the link configuration back in bulletin so
1124 * that when VFs are re-enabled they get the actual
1125 * link configuration.
1126 */
1127 memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1128 memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1129 memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1130 qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1131
1fe614d1
YM		 1132 /* Forget the VF's acquisition message */
1133 memset(&vf->acquire, 0, sizeof(vf->acquire));
0b55e27d
YM		 1134
1135 /* disablng interrupts and resetting permission table was done during
1136 * vf-close, however, we could get here without going through vf_close
1137 */
1138 /* Disable Interrupts for VF */
1139 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1140
1141 /* Reset Permission table */
1142 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1143
1144 vf->num_rxqs = 0;
1145 vf->num_txqs = 0;
1146 qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1147
1148 if (vf->b_init) {
1149 vf->b_init = false;
1150
1151 if (IS_LEAD_HWFN(p_hwfn))
1152 p_hwfn->cdev->p_iov_info->num_vfs--;
1153 }
1154
1155 return 0;
1156}
1157
37bff2b9
YM		 1158static bool qed_iov_tlv_supported(u16 tlvtype)
1159{
1160 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1161}
1162
1163/* place a given tlv on the tlv buffer, continuing current tlv list */
1164void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1165{
1166 struct channel_tlv *tl = (struct channel_tlv *)*offset;
1167
1168 tl->type = type;
1169 tl->length = length;
1170
1171 /* Offset should keep pointing to next TLV (the end of the last) */
1172 *offset += length;
1173
1174 /* Return a pointer to the start of the added tlv */
1175 return *offset - length;
1176}
1177
1178/* list the types and lengths of the tlvs on the buffer */
1179void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1180{
1181 u16 i = 1, total_length = 0;
1182 struct channel_tlv *tlv;
1183
1184 do {
1185 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1186
1187 /* output tlv */
1188 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1189 "TLV number %d: type %d, length %d\n",
1190 i, tlv->type, tlv->length);
1191
1192 if (tlv->type == CHANNEL_TLV_LIST_END)
1193 return;
1194
1195 /* Validate entry - protect against malicious VFs */
1196 if (!tlv->length) {
1197 DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1198 return;
1199 }
1200
1201 total_length += tlv->length;
1202
1203 if (total_length >= sizeof(struct tlv_buffer_size)) {
1204 DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1205 return;
1206 }
1207
1208 i++;
1209 } while (1);
1210}
1211
1212static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1213 struct qed_ptt *p_ptt,
1214 struct qed_vf_info *p_vf,
1215 u16 length, u8 status)
1216{
1217 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1218 struct qed_dmae_params params;
1219 u8 eng_vf_id;
1220
1221 mbx->reply_virt->default_resp.hdr.status = status;
1222
1223 qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1224
1225 eng_vf_id = p_vf->abs_vf_id;
1226
1227 memset(&params, 0, sizeof(struct qed_dmae_params));
1228 params.flags = QED_DMAE_FLAG_VF_DST;
1229 params.dst_vfid = eng_vf_id;
1230
1231 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1232 mbx->req_virt->first_tlv.reply_address +
1233 sizeof(u64),
1234 (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1235 &params);
1236
d9194081
MY		 1237 /* Once PF copies the rc to the VF, the latter can continue
1238 * and send an additional message. So we have to make sure the
1239 * channel would be re-set to ready prior to that.
1240 */
37bff2b9
YM		 1241 REG_WR(p_hwfn,
1242 GTT_BAR0_MAP_REG_USDM_RAM +
1243 USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
d9194081
MY		 1244
1245 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1246 mbx->req_virt->first_tlv.reply_address,
1247 sizeof(u64) / 4, &params);
37bff2b9
YM		 1248}
1249
dacd88d6
YM		 1250static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1251 enum qed_iov_vport_update_flag flag)
1252{
1253 switch (flag) {
1254 case QED_IOV_VP_UPDATE_ACTIVATE:
1255 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
17b235c1
YM		 1256 case QED_IOV_VP_UPDATE_VLAN_STRIP:
1257 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1258 case QED_IOV_VP_UPDATE_TX_SWITCH:
1259 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
dacd88d6
YM		 1260 case QED_IOV_VP_UPDATE_MCAST:
1261 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1262 case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1263 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1264 case QED_IOV_VP_UPDATE_RSS:
1265 return CHANNEL_TLV_VPORT_UPDATE_RSS;
17b235c1
YM		 1266 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1267 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1268 case QED_IOV_VP_UPDATE_SGE_TPA:
1269 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
dacd88d6
YM		 1270 default:
1271 return 0;
1272 }
1273}
1274
1275static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1276 struct qed_vf_info *p_vf,
1277 struct qed_iov_vf_mbx *p_mbx,
1278 u8 status,
1279 u16 tlvs_mask, u16 tlvs_accepted)
1280{
1281 struct pfvf_def_resp_tlv *resp;
1282 u16 size, total_len, i;
1283
1284 memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1285 p_mbx->offset = (u8 *)p_mbx->reply_virt;
1286 size = sizeof(struct pfvf_def_resp_tlv);
1287 total_len = size;
1288
1289 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1290
1291 /* Prepare response for all extended tlvs if they are found by PF */
1292 for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1a635e48 1293 if (!(tlvs_mask & BIT(i)))
dacd88d6
YM		 1294 continue;
1295
1296 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1297 qed_iov_vport_to_tlv(p_hwfn, i), size);
1298
1a635e48 1299 if (tlvs_accepted & BIT(i))
dacd88d6
YM		 1300 resp->hdr.status = status;
1301 else
1302 resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1303
1304 DP_VERBOSE(p_hwfn,
1305 QED_MSG_IOV,
1306 "VF[%d] - vport_update response: TLV %d, status %02x\n",
1307 p_vf->relative_vf_id,
1308 qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1309
1310 total_len += size;
1311 }
1312
1313 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1314 sizeof(struct channel_list_end_tlv));
1315
1316 return total_len;
1317}
1318
37bff2b9
YM		 1319static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1320 struct qed_ptt *p_ptt,
1321 struct qed_vf_info *vf_info,
1322 u16 type, u16 length, u8 status)
1323{
1324 struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1325
1326 mbx->offset = (u8 *)mbx->reply_virt;
1327
1328 qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1329 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1330 sizeof(struct channel_list_end_tlv));
1331
1332 qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1333}
1334
ba56947a
BX		 1335static struct
1336qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1337 u16 relative_vf_id,
1338 bool b_enabled_only)
0b55e27d
YM		 1339{
1340 struct qed_vf_info *vf = NULL;
1341
1342 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1343 if (!vf)
1344 return NULL;
1345
1346 return &vf->p_vf_info;
1347}
1348
ba56947a 1349static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
0b55e27d
YM		 1350{
1351 struct qed_public_vf_info *vf_info;
1352
1353 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1354
1355 if (!vf_info)
1356 return;
1357
1358 /* Clear the VF mac */
0ee28e31 1359 eth_zero_addr(vf_info->mac);
f990c82c
MY		 1360
1361 vf_info->rx_accept_mode = 0;
1362 vf_info->tx_accept_mode = 0;
0b55e27d
YM		 1363}
1364
1365static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1366 struct qed_vf_info *p_vf)
1367{
007bc371 1368 u32 i, j;
0b55e27d
YM		 1369
1370 p_vf->vf_bulletin = 0;
dacd88d6 1371 p_vf->vport_instance = 0;
08feecd7 1372 p_vf->configured_features = 0;
0b55e27d
YM		 1373
1374 /* If VF previously requested less resources, go back to default */
1375 p_vf->num_rxqs = p_vf->num_sbs;
1376 p_vf->num_txqs = p_vf->num_sbs;
1377
dacd88d6
YM		 1378 p_vf->num_active_rxqs = 0;
1379
3da7a37a 1380 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
007bc371 1381 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
3da7a37a 1382
007bc371
MY		 1383 for (j = 0; j < MAX_QUEUES_PER_QZONE; j++) {
1384 if (!p_queue->cids[j].p_cid)
1385 continue;
3da7a37a 1386
007bc371
MY		 1387 qed_eth_queue_cid_release(p_hwfn,
1388 p_queue->cids[j].p_cid);
1389 p_queue->cids[j].p_cid = NULL;
3da7a37a
MY		 1390 }
1391 }
0b55e27d 1392
08feecd7 1393 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1fe614d1 1394 memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
0b55e27d
YM		 1395 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1396}
1397
1a850bfc
MY		 1398/* Returns either 0, or log(size) */
1399static u32 qed_iov_vf_db_bar_size(struct qed_hwfn *p_hwfn,
1400 struct qed_ptt *p_ptt)
1401{
1402 u32 val = qed_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_BAR1_SIZE);
1403
1404 if (val)
1405 return val + 11;
1406 return 0;
1407}
1408
1409static void
1410qed_iov_vf_mbx_acquire_resc_cids(struct qed_hwfn *p_hwfn,
1411 struct qed_ptt *p_ptt,
1412 struct qed_vf_info *p_vf,
1413 struct vf_pf_resc_request *p_req,
1414 struct pf_vf_resc *p_resp)
1415{
1416 u8 num_vf_cons = p_hwfn->pf_params.eth_pf_params.num_vf_cons;
1417 u8 db_size = qed_db_addr_vf(1, DQ_DEMS_LEGACY) -
1418 qed_db_addr_vf(0, DQ_DEMS_LEGACY);
1419 u32 bar_size;
1420
1421 p_resp->num_cids = min_t(u8, p_req->num_cids, num_vf_cons);
1422
1423 /* If VF didn't bother asking for QIDs than don't bother limiting
1424 * number of CIDs. The VF doesn't care about the number, and this
1425 * has the likely result of causing an additional acquisition.
1426 */
1427 if (!(p_vf->acquire.vfdev_info.capabilities &
1428 VFPF_ACQUIRE_CAP_QUEUE_QIDS))
1429 return;
1430
1431 /* If doorbell bar was mapped by VF, limit the VF CIDs to an amount
1432 * that would make sure doorbells for all CIDs fall within the bar.
1433 * If it doesn't, make sure regview window is sufficient.
1434 */
1435 if (p_vf->acquire.vfdev_info.capabilities &
1436 VFPF_ACQUIRE_CAP_PHYSICAL_BAR) {
1437 bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1438 if (bar_size)
1439 bar_size = 1 << bar_size;
1440
1441 if (p_hwfn->cdev->num_hwfns > 1)
1442 bar_size /= 2;
1443 } else {
1444 bar_size = PXP_VF_BAR0_DQ_LENGTH;
1445 }
1446
1447 if (bar_size / db_size < 256)
1448 p_resp->num_cids = min_t(u8, p_resp->num_cids,
1449 (u8)(bar_size / db_size));
1450}
1451
1cf2b1a9
YM		 1452static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1453 struct qed_ptt *p_ptt,
1454 struct qed_vf_info *p_vf,
1455 struct vf_pf_resc_request *p_req,
1456 struct pf_vf_resc *p_resp)
1457{
007bc371 1458 u8 i;
1cf2b1a9
YM		 1459
1460 /* Queue related information */
1461 p_resp->num_rxqs = p_vf->num_rxqs;
1462 p_resp->num_txqs = p_vf->num_txqs;
1463 p_resp->num_sbs = p_vf->num_sbs;
1464
1465 for (i = 0; i < p_resp->num_sbs; i++) {
1466 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1467 p_resp->hw_sbs[i].sb_qid = 0;
1468 }
1469
1470 /* These fields are filled for backward compatibility.
1471 * Unused by modern vfs.
1472 */
1473 for (i = 0; i < p_resp->num_rxqs; i++) {
1474 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1475 (u16 *)&p_resp->hw_qid[i]);
007bc371 1476 p_resp->cid[i] = i;
1cf2b1a9
YM		 1477 }
1478
1479 /* Filter related information */
1480 p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1481 p_req->num_mac_filters);
1482 p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1483 p_req->num_vlan_filters);
1484
1a850bfc 1485 qed_iov_vf_mbx_acquire_resc_cids(p_hwfn, p_ptt, p_vf, p_req, p_resp);
08bc8f15 1486
1cf2b1a9
YM		 1487 /* This isn't really needed/enforced, but some legacy VFs might depend
1488 * on the correct filling of this field.
1489 */
1490 p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1491
1492 /* Validate sufficient resources for VF */
1493 if (p_resp->num_rxqs < p_req->num_rxqs ||
1494 p_resp->num_txqs < p_req->num_txqs ||
1495 p_resp->num_sbs < p_req->num_sbs ||
1496 p_resp->num_mac_filters < p_req->num_mac_filters ||
1497 p_resp->num_vlan_filters < p_req->num_vlan_filters ||
08bc8f15
MY		 1498 p_resp->num_mc_filters < p_req->num_mc_filters ||
1499 p_resp->num_cids < p_req->num_cids) {
1cf2b1a9
YM		 1500 DP_VERBOSE(p_hwfn,
1501 QED_MSG_IOV,
08bc8f15 1502 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x] cids [%02x/%02x]\n",
1cf2b1a9
YM		 1503 p_vf->abs_vf_id,
1504 p_req->num_rxqs,
1505 p_resp->num_rxqs,
1506 p_req->num_rxqs,
1507 p_resp->num_txqs,
1508 p_req->num_sbs,
1509 p_resp->num_sbs,
1510 p_req->num_mac_filters,
1511 p_resp->num_mac_filters,
1512 p_req->num_vlan_filters,
1513 p_resp->num_vlan_filters,
08bc8f15
MY		 1514 p_req->num_mc_filters,
1515 p_resp->num_mc_filters,
1516 p_req->num_cids, p_resp->num_cids);
a044df83
YM		 1517
1518 /* Some legacy OSes are incapable of correctly handling this
1519 * failure.
1520 */
1521 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1522 ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1523 (p_vf->acquire.vfdev_info.os_type ==
1524 VFPF_ACQUIRE_OS_WINDOWS))
1525 return PFVF_STATUS_SUCCESS;
1526
1cf2b1a9
YM		 1527 return PFVF_STATUS_NO_RESOURCE;
1528 }
1529
1530 return PFVF_STATUS_SUCCESS;
1531}
1532
1533static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1534 struct pfvf_stats_info *p_stats)
1535{
1536 p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1537 offsetof(struct mstorm_vf_zone,
1538 non_trigger.eth_queue_stat);
1539 p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1540 p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1541 offsetof(struct ustorm_vf_zone,
1542 non_trigger.eth_queue_stat);
1543 p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1544 p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1545 offsetof(struct pstorm_vf_zone,
1546 non_trigger.eth_queue_stat);
1547 p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1548 p_stats->tstats.address = 0;
1549 p_stats->tstats.len = 0;
1550}
1551
1408cc1f
YM		 1552static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1553 struct qed_ptt *p_ptt,
1554 struct qed_vf_info *vf)
37bff2b9 1555{
1408cc1f
YM		 1556 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1557 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1558 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1559 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1cf2b1a9 1560 u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1408cc1f 1561 struct pf_vf_resc *resc = &resp->resc;
1fe614d1
YM		 1562 int rc;
1563
1564 memset(resp, 0, sizeof(*resp));
1408cc1f 1565
05fafbfb
YM		 1566 /* Write the PF version so that VF would know which version
1567 * is supported - might be later overriden. This guarantees that
1568 * VF could recognize legacy PF based on lack of versions in reply.
1569 */
1570 pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1571 pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1572
a044df83
YM		 1573 if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1574 DP_VERBOSE(p_hwfn,
1575 QED_MSG_IOV,
1576 "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1577 vf->abs_vf_id, vf->state);
1578 goto out;
1579 }
1580
1408cc1f 1581 /* Validate FW compatibility */
1fe614d1 1582 if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
a044df83
YM		 1583 if (req->vfdev_info.capabilities &
1584 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1585 struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1fe614d1 1586
a044df83
YM		 1587 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1588 "VF[%d] is pre-fastpath HSI\n",
1589 vf->abs_vf_id);
1590 p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1591 p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1592 } else {
1593 DP_INFO(p_hwfn,
1594 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1595 vf->abs_vf_id,
1596 req->vfdev_info.eth_fp_hsi_major,
1597 req->vfdev_info.eth_fp_hsi_minor,
1598 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1599
1600 goto out;
1601 }
1408cc1f
YM		 1602 }
1603
1604 /* On 100g PFs, prevent old VFs from loading */
1605 if ((p_hwfn->cdev->num_hwfns > 1) &&
1606 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1607 DP_INFO(p_hwfn,
1608 "VF[%d] is running an old driver that doesn't support 100g\n",
1609 vf->abs_vf_id);
1408cc1f
YM		 1610 goto out;
1611 }
1612
1fe614d1
YM		 1613 /* Store the acquire message */
1614 memcpy(&vf->acquire, req, sizeof(vf->acquire));
1408cc1f 1615
1408cc1f 1616 vf->opaque_fid = req->vfdev_info.opaque_fid;
1408cc1f
YM		 1617
1618 vf->vf_bulletin = req->bulletin_addr;
1619 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1620 vf->bulletin.size : req->bulletin_size;
1621
1622 /* fill in pfdev info */
1623 pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1624 pfdev_info->db_size = 0;
21dd79e8 1625 pfdev_info->indices_per_sb = PIS_PER_SB_E4;
1408cc1f
YM		 1626
1627 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1628 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1629 if (p_hwfn->cdev->num_hwfns > 1)
1630 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1631
08bc8f15
MY		 1632 /* Share our ability to use multiple queue-ids only with VFs
1633 * that request it.
1634 */
1635 if (req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_QUEUE_QIDS)
1636 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_QUEUE_QIDS;
1637
1a850bfc
MY		 1638 /* Share the sizes of the bars with VF */
1639 resp->pfdev_info.bar_size = qed_iov_vf_db_bar_size(p_hwfn, p_ptt);
1640
1cf2b1a9 1641 qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1408cc1f
YM		 1642
1643 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1644
1645 pfdev_info->fw_major = FW_MAJOR_VERSION;
1646 pfdev_info->fw_minor = FW_MINOR_VERSION;
1647 pfdev_info->fw_rev = FW_REVISION_VERSION;
1648 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
a044df83
YM		 1649
1650 /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1651 * this field.
1652 */
1a635e48 1653 pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1fe614d1 1654 req->vfdev_info.eth_fp_hsi_minor);
1408cc1f
YM		 1655 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1656 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1657
1658 pfdev_info->dev_type = p_hwfn->cdev->type;
1659 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1660
1cf2b1a9
YM		 1661 /* Fill resources available to VF; Make sure there are enough to
1662 * satisfy the VF's request.
1408cc1f 1663 */
1cf2b1a9
YM		 1664 vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1665 &req->resc_request, resc);
1666 if (vfpf_status != PFVF_STATUS_SUCCESS)
1667 goto out;
1408cc1f 1668
1fe614d1
YM		 1669 /* Start the VF in FW */
1670 rc = qed_sp_vf_start(p_hwfn, vf);
1671 if (rc) {
1672 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1673 vfpf_status = PFVF_STATUS_FAILURE;
1674 goto out;
1675 }
1676
1408cc1f
YM		 1677 /* Fill agreed size of bulletin board in response */
1678 resp->bulletin_size = vf->bulletin.size;
36558c3d 1679 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1408cc1f
YM		 1680
1681 DP_VERBOSE(p_hwfn,
1682 QED_MSG_IOV,
1683 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1684 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1685 vf->abs_vf_id,
1686 resp->pfdev_info.chip_num,
1687 resp->pfdev_info.db_size,
1688 resp->pfdev_info.indices_per_sb,
1689 resp->pfdev_info.capabilities,
1690 resc->num_rxqs,
1691 resc->num_txqs,
1692 resc->num_sbs,
1693 resc->num_mac_filters,
1694 resc->num_vlan_filters);
1695 vf->state = VF_ACQUIRED;
1696
1697 /* Prepare Response */
1698out:
1699 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1700 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
37bff2b9
YM		 1701}
1702
6ddc7608
YM		 1703static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1704 struct qed_vf_info *p_vf, bool val)
1705{
1706 struct qed_sp_vport_update_params params;
1707 int rc;
1708
1709 if (val == p_vf->spoof_chk) {
1710 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1711 "Spoofchk value[%d] is already configured\n", val);
1712 return 0;
1713 }
1714
1715 memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1716 params.opaque_fid = p_vf->opaque_fid;
1717 params.vport_id = p_vf->vport_id;
1718 params.update_anti_spoofing_en_flg = 1;
1719 params.anti_spoofing_en = val;
1720
1721 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
cb1fa088 1722 if (!rc) {
6ddc7608
YM		 1723 p_vf->spoof_chk = val;
1724 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1725 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1726 "Spoofchk val[%d] configured\n", val);
1727 } else {
1728 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1729 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1730 val, p_vf->relative_vf_id);
1731 }
1732
1733 return rc;
1734}
1735
08feecd7
YM		 1736static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1737 struct qed_vf_info *p_vf)
1738{
1739 struct qed_filter_ucast filter;
1740 int rc = 0;
1741 int i;
1742
1743 memset(&filter, 0, sizeof(filter));
1744 filter.is_rx_filter = 1;
1745 filter.is_tx_filter = 1;
1746 filter.vport_to_add_to = p_vf->vport_id;
1747 filter.opcode = QED_FILTER_ADD;
1748
1749 /* Reconfigure vlans */
1750 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1751 if (!p_vf->shadow_config.vlans[i].used)
1752 continue;
1753
1754 filter.type = QED_FILTER_VLAN;
1755 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1a635e48 1756 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
08feecd7
YM		 1757 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1758 filter.vlan, p_vf->relative_vf_id);
1a635e48
YM		 1759 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1760 &filter, QED_SPQ_MODE_CB, NULL);
08feecd7
YM		 1761 if (rc) {
1762 DP_NOTICE(p_hwfn,
1763 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1764 filter.vlan, p_vf->relative_vf_id);
1765 break;
1766 }
1767 }
1768
1769 return rc;
1770}
1771
1772static int
1773qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1774 struct qed_vf_info *p_vf, u64 events)
1775{
1776 int rc = 0;
1777
1a635e48 1778 if ((events & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 1779 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1780 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1781
1782 return rc;
1783}
1784
1785static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1786 struct qed_vf_info *p_vf, u64 events)
1787{
1788 int rc = 0;
1789 struct qed_filter_ucast filter;
1790
1791 if (!p_vf->vport_instance)
1792 return -EINVAL;
1793
7425d822
SS		 1794 if ((events & BIT(MAC_ADDR_FORCED)) ||
1795 p_vf->p_vf_info.is_trusted_configured) {
eff16960
YM		 1796 /* Since there's no way [currently] of removing the MAC,
1797 * we can always assume this means we need to force it.
1798 */
1799 memset(&filter, 0, sizeof(filter));
1800 filter.type = QED_FILTER_MAC;
1801 filter.opcode = QED_FILTER_REPLACE;
1802 filter.is_rx_filter = 1;
1803 filter.is_tx_filter = 1;
1804 filter.vport_to_add_to = p_vf->vport_id;
1805 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1806
1807 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1808 &filter, QED_SPQ_MODE_CB, NULL);
1809 if (rc) {
1810 DP_NOTICE(p_hwfn,
1811 "PF failed to configure MAC for VF\n");
1812 return rc;
1813 }
7425d822
SS		 1814 if (p_vf->p_vf_info.is_trusted_configured)
1815 p_vf->configured_features |=
1816 BIT(VFPF_BULLETIN_MAC_ADDR);
1817 else
1818 p_vf->configured_features |=
1819 BIT(MAC_ADDR_FORCED);
eff16960
YM		 1820 }
1821
1a635e48 1822 if (events & BIT(VLAN_ADDR_FORCED)) {
08feecd7
YM		 1823 struct qed_sp_vport_update_params vport_update;
1824 u8 removal;
1825 int i;
1826
1827 memset(&filter, 0, sizeof(filter));
1828 filter.type = QED_FILTER_VLAN;
1829 filter.is_rx_filter = 1;
1830 filter.is_tx_filter = 1;
1831 filter.vport_to_add_to = p_vf->vport_id;
1832 filter.vlan = p_vf->bulletin.p_virt->pvid;
1833 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1834 QED_FILTER_FLUSH;
1835
1836 /* Send the ramrod */
1837 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1838 &filter, QED_SPQ_MODE_CB, NULL);
1839 if (rc) {
1840 DP_NOTICE(p_hwfn,
1841 "PF failed to configure VLAN for VF\n");
1842 return rc;
1843 }
1844
1845 /* Update the default-vlan & silent vlan stripping */
1846 memset(&vport_update, 0, sizeof(vport_update));
1847 vport_update.opaque_fid = p_vf->opaque_fid;
1848 vport_update.vport_id = p_vf->vport_id;
1849 vport_update.update_default_vlan_enable_flg = 1;
1850 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1851 vport_update.update_default_vlan_flg = 1;
1852 vport_update.default_vlan = filter.vlan;
1853
1854 vport_update.update_inner_vlan_removal_flg = 1;
1855 removal = filter.vlan ? 1
1856 : p_vf->shadow_config.inner_vlan_removal;
1857 vport_update.inner_vlan_removal_flg = removal;
1858 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1859 rc = qed_sp_vport_update(p_hwfn,
1860 &vport_update,
1861 QED_SPQ_MODE_EBLOCK, NULL);
1862 if (rc) {
1863 DP_NOTICE(p_hwfn,
1864 "PF failed to configure VF vport for vlan\n");
1865 return rc;
1866 }
1867
1868 /* Update all the Rx queues */
1869 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
007bc371
MY		 1870 struct qed_vf_queue *p_queue = &p_vf->vf_queues[i];
1871 struct qed_queue_cid *p_cid = NULL;
08feecd7 1872
007bc371
MY		 1873 /* There can be at most 1 Rx queue on qzone. Find it */
1874 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
3da7a37a 1875 if (!p_cid)
08feecd7
YM		 1876 continue;
1877
3da7a37a
MY		 1878 rc = qed_sp_eth_rx_queues_update(p_hwfn,
1879 (void **)&p_cid,
08feecd7
YM		 1880 1, 0, 1,
1881 QED_SPQ_MODE_EBLOCK,
1882 NULL);
1883 if (rc) {
1884 DP_NOTICE(p_hwfn,
1885 "Failed to send Rx update fo queue[0x%04x]\n",
3da7a37a 1886 p_cid->rel.queue_id);
08feecd7
YM		 1887 return rc;
1888 }
1889 }
1890
1891 if (filter.vlan)
1892 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1893 else
1a635e48 1894 p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
08feecd7
YM		 1895 }
1896
1897 /* If forced features are terminated, we need to configure the shadow
1898 * configuration back again.
1899 */
1900 if (events)
1901 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1902
1903 return rc;
1904}
1905
dacd88d6
YM		 1906static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1907 struct qed_ptt *p_ptt,
1908 struct qed_vf_info *vf)
1909{
1910 struct qed_sp_vport_start_params params = { 0 };
1911 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1912 struct vfpf_vport_start_tlv *start;
1913 u8 status = PFVF_STATUS_SUCCESS;
1914 struct qed_vf_info *vf_info;
08feecd7 1915 u64 *p_bitmap;
dacd88d6
YM		 1916 int sb_id;
1917 int rc;
1918
1919 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1920 if (!vf_info) {
1921 DP_NOTICE(p_hwfn->cdev,
1922 "Failed to get VF info, invalid vfid [%d]\n",
1923 vf->relative_vf_id);
1924 return;
1925 }
1926
1927 vf->state = VF_ENABLED;
1928 start = &mbx->req_virt->start_vport;
1929
b801b159
MY		 1930 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1931
dacd88d6
YM		 1932 /* Initialize Status block in CAU */
1933 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1934 if (!start->sb_addr[sb_id]) {
1935 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1936 "VF[%d] did not fill the address of SB %d\n",
1937 vf->relative_vf_id, sb_id);
1938 break;
1939 }
1940
1941 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1942 start->sb_addr[sb_id],
1a635e48 1943 vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
dacd88d6 1944 }
dacd88d6
YM		 1945
1946 vf->mtu = start->mtu;
08feecd7
YM		 1947 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1948
1949 /* Take into consideration configuration forced by hypervisor;
1950 * If none is configured, use the supplied VF values [for old
1951 * vfs that would still be fine, since they passed '0' as padding].
1952 */
1953 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1a635e48 1954 if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
08feecd7
YM		 1955 u8 vf_req = start->only_untagged;
1956
1957 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1958 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1959 }
dacd88d6
YM		 1960
1961 params.tpa_mode = start->tpa_mode;
1962 params.remove_inner_vlan = start->inner_vlan_removal;
831bfb0e 1963 params.tx_switching = true;
dacd88d6 1964
08feecd7 1965 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
dacd88d6
YM		 1966 params.drop_ttl0 = false;
1967 params.concrete_fid = vf->concrete_fid;
1968 params.opaque_fid = vf->opaque_fid;
1969 params.vport_id = vf->vport_id;
1970 params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1971 params.mtu = vf->mtu;
ff929696
MC		 1972
1973 /* Non trusted VFs should enable control frame filtering */
1974 params.check_mac = !vf->p_vf_info.is_trusted_configured;
dacd88d6
YM		 1975
1976 rc = qed_sp_eth_vport_start(p_hwfn, &params);
1a635e48 1977 if (rc) {
dacd88d6
YM		 1978 DP_ERR(p_hwfn,
1979 "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1980 status = PFVF_STATUS_FAILURE;
1981 } else {
1982 vf->vport_instance++;
08feecd7
YM		 1983
1984 /* Force configuration if needed on the newly opened vport */
1985 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
6ddc7608
YM		 1986
1987 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
dacd88d6
YM		 1988 }
1989 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1990 sizeof(struct pfvf_def_resp_tlv), status);
1991}
1992
1993static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1994 struct qed_ptt *p_ptt,
1995 struct qed_vf_info *vf)
1996{
1997 u8 status = PFVF_STATUS_SUCCESS;
1998 int rc;
1999
2000 vf->vport_instance--;
6ddc7608 2001 vf->spoof_chk = false;
dacd88d6 2002
f109c240
MY		 2003 if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
2004 (qed_iov_validate_active_txq(p_hwfn, vf))) {
2005 vf->b_malicious = true;
2006 DP_NOTICE(p_hwfn,
2007 "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
2008 vf->abs_vf_id);
2009 status = PFVF_STATUS_MALICIOUS;
2010 goto out;
2011 }
2012
dacd88d6 2013 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1a635e48 2014 if (rc) {
dacd88d6
YM		 2015 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
2016 rc);
2017 status = PFVF_STATUS_FAILURE;
2018 }
2019
08feecd7
YM		 2020 /* Forget the configuration on the vport */
2021 vf->configured_features = 0;
2022 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
2023
f109c240 2024out:
dacd88d6
YM		 2025 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
2026 sizeof(struct pfvf_def_resp_tlv), status);
2027}
2028
dacd88d6
YM		 2029static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
2030 struct qed_ptt *p_ptt,
a044df83
YM		 2031 struct qed_vf_info *vf,
2032 u8 status, bool b_legacy)
dacd88d6
YM		 2033{
2034 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2035 struct pfvf_start_queue_resp_tlv *p_tlv;
2036 struct vfpf_start_rxq_tlv *req;
a044df83 2037 u16 length;
dacd88d6
YM		 2038
2039 mbx->offset = (u8 *)mbx->reply_virt;
2040
a044df83
YM		 2041 /* Taking a bigger struct instead of adding a TLV to list was a
2042 * mistake, but one which we're now stuck with, as some older
2043 * clients assume the size of the previous response.
2044 */
2045 if (!b_legacy)
2046 length = sizeof(*p_tlv);
2047 else
2048 length = sizeof(struct pfvf_def_resp_tlv);
2049
dacd88d6 2050 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
a044df83 2051 length);
dacd88d6
YM		 2052 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2053 sizeof(struct channel_list_end_tlv));
2054
2055 /* Update the TLV with the response */
a044df83 2056 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
dacd88d6 2057 req = &mbx->req_virt->start_rxq;
351a4ded
YM		 2058 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
2059 offsetof(struct mstorm_vf_zone,
2060 non_trigger.eth_rx_queue_producers) +
2061 sizeof(struct eth_rx_prod_data) * req->rx_qid;
dacd88d6
YM		 2062 }
2063
a044df83 2064 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
dacd88d6
YM		 2065}
2066
bbe3f233
MY		 2067static u8 qed_iov_vf_mbx_qid(struct qed_hwfn *p_hwfn,
2068 struct qed_vf_info *p_vf, bool b_is_tx)
2069{
08bc8f15
MY		 2070 struct qed_iov_vf_mbx *p_mbx = &p_vf->vf_mbx;
2071 struct vfpf_qid_tlv *p_qid_tlv;
2072
2073 /* Search for the qid if the VF published its going to provide it */
2074 if (!(p_vf->acquire.vfdev_info.capabilities &
2075 VFPF_ACQUIRE_CAP_QUEUE_QIDS)) {
2076 if (b_is_tx)
2077 return QED_IOV_LEGACY_QID_TX;
2078 else
2079 return QED_IOV_LEGACY_QID_RX;
2080 }
2081
2082 p_qid_tlv = (struct vfpf_qid_tlv *)
2083 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2084 CHANNEL_TLV_QID);
2085 if (!p_qid_tlv) {
2086 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2087 "VF[%2x]: Failed to provide qid\n",
2088 p_vf->relative_vf_id);
2089
2090 return QED_IOV_QID_INVALID;
2091 }
2092
2093 if (p_qid_tlv->qid >= MAX_QUEUES_PER_QZONE) {
2094 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2095 "VF[%02x]: Provided qid out-of-bounds %02x\n",
2096 p_vf->relative_vf_id, p_qid_tlv->qid);
2097 return QED_IOV_QID_INVALID;
2098 }
2099
2100 return p_qid_tlv->qid;
bbe3f233
MY		 2101}
2102
dacd88d6
YM		 2103static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
2104 struct qed_ptt *p_ptt,
2105 struct qed_vf_info *vf)
2106{
2107 struct qed_queue_start_common_params params;
3946497a 2108 struct qed_queue_cid_vf_params vf_params;
dacd88d6 2109 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 2110 u8 status = PFVF_STATUS_NO_RESOURCE;
3b19f478 2111 u8 qid_usage_idx, vf_legacy = 0;
dacd88d6 2112 struct vfpf_start_rxq_tlv *req;
007bc371
MY		 2113 struct qed_vf_queue *p_queue;
2114 struct qed_queue_cid *p_cid;
f604b17d 2115 struct qed_sb_info sb_dummy;
dacd88d6
YM		 2116 int rc;
2117
dacd88d6 2118 req = &mbx->req_virt->start_rxq;
41086467 2119
f109c240
MY		 2120 if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
2121 QED_IOV_VALIDATE_Q_DISABLE) ||
41086467
YM		 2122 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2123 goto out;
2124
bbe3f233 2125 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
08bc8f15
MY		 2126 if (qid_usage_idx == QED_IOV_QID_INVALID)
2127 goto out;
2128
3da7a37a 2129 p_queue = &vf->vf_queues[req->rx_qid];
08bc8f15
MY		 2130 if (p_queue->cids[qid_usage_idx].p_cid)
2131 goto out;
3da7a37a 2132
3b19f478 2133 vf_legacy = qed_vf_calculate_legacy(vf);
3946497a 2134
bbe3f233 2135 /* Acquire a new queue-cid */
3da7a37a
MY		 2136 memset(&params, 0, sizeof(params));
2137 params.queue_id = p_queue->fw_rx_qid;
dacd88d6 2138 params.vport_id = vf->vport_id;
3da7a37a 2139 params.stats_id = vf->abs_vf_id + 0x10;
f604b17d
MY		 2140 /* Since IGU index is passed via sb_info, construct a dummy one */
2141 memset(&sb_dummy, 0, sizeof(sb_dummy));
2142 sb_dummy.igu_sb_id = req->hw_sb;
2143 params.p_sb = &sb_dummy;
dacd88d6
YM		 2144 params.sb_idx = req->sb_index;
2145
3946497a
MY		 2146 memset(&vf_params, 0, sizeof(vf_params));
2147 vf_params.vfid = vf->relative_vf_id;
2148 vf_params.vf_qid = (u8)req->rx_qid;
3b19f478 2149 vf_params.vf_legacy = vf_legacy;
bbe3f233 2150 vf_params.qid_usage_idx = qid_usage_idx;
007bc371
MY		 2151 p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2152 &params, true, &vf_params);
2153 if (!p_cid)
3da7a37a
MY		 2154 goto out;
2155
a044df83
YM		 2156 /* Legacy VFs have their Producers in a different location, which they
2157 * calculate on their own and clean the producer prior to this.
2158 */
3b19f478 2159 if (!(vf_legacy & QED_QCID_LEGACY_VF_RX_PROD))
a044df83
YM		 2160 REG_WR(p_hwfn,
2161 GTT_BAR0_MAP_REG_MSDM_RAM +
2162 MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2163 0);
a044df83 2164
007bc371 2165 rc = qed_eth_rxq_start_ramrod(p_hwfn, p_cid,
3da7a37a
MY		 2166 req->bd_max_bytes,
2167 req->rxq_addr,
2168 req->cqe_pbl_addr, req->cqe_pbl_size);
dacd88d6
YM		 2169 if (rc) {
2170 status = PFVF_STATUS_FAILURE;
007bc371 2171 qed_eth_queue_cid_release(p_hwfn, p_cid);
dacd88d6 2172 } else {
007bc371
MY		 2173 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2174 p_queue->cids[qid_usage_idx].b_is_tx = false;
41086467 2175 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 2176 vf->num_active_rxqs++;
2177 }
2178
41086467 2179out:
3b19f478
MY		 2180 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status,
2181 !!(vf_legacy &
2182 QED_QCID_LEGACY_VF_RX_PROD));
dacd88d6
YM		 2183}
2184
eaf3c0c6
CM		 2185static void
2186qed_iov_pf_update_tun_response(struct pfvf_update_tunn_param_tlv *p_resp,
2187 struct qed_tunnel_info *p_tun,
2188 u16 tunn_feature_mask)
2189{
2190 p_resp->tunn_feature_mask = tunn_feature_mask;
2191 p_resp->vxlan_mode = p_tun->vxlan.b_mode_enabled;
2192 p_resp->l2geneve_mode = p_tun->l2_geneve.b_mode_enabled;
2193 p_resp->ipgeneve_mode = p_tun->ip_geneve.b_mode_enabled;
2194 p_resp->l2gre_mode = p_tun->l2_gre.b_mode_enabled;
2195 p_resp->ipgre_mode = p_tun->l2_gre.b_mode_enabled;
2196 p_resp->vxlan_clss = p_tun->vxlan.tun_cls;
2197 p_resp->l2gre_clss = p_tun->l2_gre.tun_cls;
2198 p_resp->ipgre_clss = p_tun->ip_gre.tun_cls;
2199 p_resp->l2geneve_clss = p_tun->l2_geneve.tun_cls;
2200 p_resp->ipgeneve_clss = p_tun->ip_geneve.tun_cls;
2201 p_resp->geneve_udp_port = p_tun->geneve_port.port;
2202 p_resp->vxlan_udp_port = p_tun->vxlan_port.port;
2203}
2204
2205static void
2206__qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2207 struct qed_tunn_update_type *p_tun,
2208 enum qed_tunn_mode mask, u8 tun_cls)
2209{
2210 if (p_req->tun_mode_update_mask & BIT(mask)) {
2211 p_tun->b_update_mode = true;
2212
2213 if (p_req->tunn_mode & BIT(mask))
2214 p_tun->b_mode_enabled = true;
2215 }
2216
2217 p_tun->tun_cls = tun_cls;
2218}
2219
2220static void
2221qed_iov_pf_update_tun_param(struct vfpf_update_tunn_param_tlv *p_req,
2222 struct qed_tunn_update_type *p_tun,
2223 struct qed_tunn_update_udp_port *p_port,
2224 enum qed_tunn_mode mask,
2225 u8 tun_cls, u8 update_port, u16 port)
2226{
2227 if (update_port) {
2228 p_port->b_update_port = true;
2229 p_port->port = port;
2230 }
2231
2232 __qed_iov_pf_update_tun_param(p_req, p_tun, mask, tun_cls);
2233}
2234
2235static bool
2236qed_iov_pf_validate_tunn_param(struct vfpf_update_tunn_param_tlv *p_req)
2237{
2238 bool b_update_requested = false;
2239
2240 if (p_req->tun_mode_update_mask || p_req->update_tun_cls ||
2241 p_req->update_geneve_port || p_req->update_vxlan_port)
2242 b_update_requested = true;
2243
2244 return b_update_requested;
2245}
2246
2247static void qed_pf_validate_tunn_mode(struct qed_tunn_update_type *tun, int *rc)
2248{
2249 if (tun->b_update_mode && !tun->b_mode_enabled) {
2250 tun->b_update_mode = false;
2251 *rc = -EINVAL;
2252 }
2253}
2254
2255static int
2256qed_pf_validate_modify_tunn_config(struct qed_hwfn *p_hwfn,
2257 u16 *tun_features, bool *update,
2258 struct qed_tunnel_info *tun_src)
2259{
2260 struct qed_eth_cb_ops *ops = p_hwfn->cdev->protocol_ops.eth;
2261 struct qed_tunnel_info *tun = &p_hwfn->cdev->tunnel;
2262 u16 bultn_vxlan_port, bultn_geneve_port;
2263 void *cookie = p_hwfn->cdev->ops_cookie;
2264 int i, rc = 0;
2265
2266 *tun_features = p_hwfn->cdev->tunn_feature_mask;
2267 bultn_vxlan_port = tun->vxlan_port.port;
2268 bultn_geneve_port = tun->geneve_port.port;
2269 qed_pf_validate_tunn_mode(&tun_src->vxlan, &rc);
2270 qed_pf_validate_tunn_mode(&tun_src->l2_geneve, &rc);
2271 qed_pf_validate_tunn_mode(&tun_src->ip_geneve, &rc);
2272 qed_pf_validate_tunn_mode(&tun_src->l2_gre, &rc);
2273 qed_pf_validate_tunn_mode(&tun_src->ip_gre, &rc);
2274
2275 if ((tun_src->b_update_rx_cls || tun_src->b_update_tx_cls) &&
2276 (tun_src->vxlan.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2277 tun_src->l2_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2278 tun_src->ip_geneve.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2279 tun_src->l2_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN ||
2280 tun_src->ip_gre.tun_cls != QED_TUNN_CLSS_MAC_VLAN)) {
2281 tun_src->b_update_rx_cls = false;
2282 tun_src->b_update_tx_cls = false;
2283 rc = -EINVAL;
2284 }
2285
2286 if (tun_src->vxlan_port.b_update_port) {
2287 if (tun_src->vxlan_port.port == tun->vxlan_port.port) {
2288 tun_src->vxlan_port.b_update_port = false;
2289 } else {
2290 *update = true;
2291 bultn_vxlan_port = tun_src->vxlan_port.port;
2292 }
2293 }
2294
2295 if (tun_src->geneve_port.b_update_port) {
2296 if (tun_src->geneve_port.port == tun->geneve_port.port) {
2297 tun_src->geneve_port.b_update_port = false;
2298 } else {
2299 *update = true;
2300 bultn_geneve_port = tun_src->geneve_port.port;
2301 }
2302 }
2303
2304 qed_for_each_vf(p_hwfn, i) {
2305 qed_iov_bulletin_set_udp_ports(p_hwfn, i, bultn_vxlan_port,
2306 bultn_geneve_port);
2307 }
2308
2309 qed_schedule_iov(p_hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
2310 ops->ports_update(cookie, bultn_vxlan_port, bultn_geneve_port);
2311
2312 return rc;
2313}
2314
2315static void qed_iov_vf_mbx_update_tunn_param(struct qed_hwfn *p_hwfn,
2316 struct qed_ptt *p_ptt,
2317 struct qed_vf_info *p_vf)
2318{
2319 struct qed_tunnel_info *p_tun = &p_hwfn->cdev->tunnel;
2320 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2321 struct pfvf_update_tunn_param_tlv *p_resp;
2322 struct vfpf_update_tunn_param_tlv *p_req;
2323 u8 status = PFVF_STATUS_SUCCESS;
2324 bool b_update_required = false;
2325 struct qed_tunnel_info tunn;
2326 u16 tunn_feature_mask = 0;
2327 int i, rc = 0;
2328
2329 mbx->offset = (u8 *)mbx->reply_virt;
2330
2331 memset(&tunn, 0, sizeof(tunn));
2332 p_req = &mbx->req_virt->tunn_param_update;
2333
2334 if (!qed_iov_pf_validate_tunn_param(p_req)) {
2335 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2336 "No tunnel update requested by VF\n");
2337 status = PFVF_STATUS_FAILURE;
2338 goto send_resp;
2339 }
2340
2341 tunn.b_update_rx_cls = p_req->update_tun_cls;
2342 tunn.b_update_tx_cls = p_req->update_tun_cls;
2343
2344 qed_iov_pf_update_tun_param(p_req, &tunn.vxlan, &tunn.vxlan_port,
2345 QED_MODE_VXLAN_TUNN, p_req->vxlan_clss,
2346 p_req->update_vxlan_port,
2347 p_req->vxlan_port);
2348 qed_iov_pf_update_tun_param(p_req, &tunn.l2_geneve, &tunn.geneve_port,
2349 QED_MODE_L2GENEVE_TUNN,
2350 p_req->l2geneve_clss,
2351 p_req->update_geneve_port,
2352 p_req->geneve_port);
2353 __qed_iov_pf_update_tun_param(p_req, &tunn.ip_geneve,
2354 QED_MODE_IPGENEVE_TUNN,
2355 p_req->ipgeneve_clss);
2356 __qed_iov_pf_update_tun_param(p_req, &tunn.l2_gre,
2357 QED_MODE_L2GRE_TUNN, p_req->l2gre_clss);
2358 __qed_iov_pf_update_tun_param(p_req, &tunn.ip_gre,
2359 QED_MODE_IPGRE_TUNN, p_req->ipgre_clss);
2360
2361 /* If PF modifies VF's req then it should
2362 * still return an error in case of partial configuration
2363 * or modified configuration as opposed to requested one.
2364 */
2365 rc = qed_pf_validate_modify_tunn_config(p_hwfn, &tunn_feature_mask,
2366 &b_update_required, &tunn);
2367
2368 if (rc)
2369 status = PFVF_STATUS_FAILURE;
2370
2371 /* If QED client is willing to update anything ? */
2372 if (b_update_required) {
2373 u16 geneve_port;
2374
4f64675f 2375 rc = qed_sp_pf_update_tunn_cfg(p_hwfn, p_ptt, &tunn,
eaf3c0c6
CM		 2376 QED_SPQ_MODE_EBLOCK, NULL);
2377 if (rc)
2378 status = PFVF_STATUS_FAILURE;
2379
2380 geneve_port = p_tun->geneve_port.port;
2381 qed_for_each_vf(p_hwfn, i) {
2382 qed_iov_bulletin_set_udp_ports(p_hwfn, i,
2383 p_tun->vxlan_port.port,
2384 geneve_port);
2385 }
2386 }
2387
2388send_resp:
2389 p_resp = qed_add_tlv(p_hwfn, &mbx->offset,
2390 CHANNEL_TLV_UPDATE_TUNN_PARAM, sizeof(*p_resp));
2391
2392 qed_iov_pf_update_tun_response(p_resp, p_tun, tunn_feature_mask);
2393 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2394 sizeof(struct channel_list_end_tlv));
2395
2396 qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
2397}
2398
5040acf5
YM		 2399static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2400 struct qed_ptt *p_ptt,
007bc371
MY		 2401 struct qed_vf_info *p_vf,
2402 u32 cid, u8 status)
5040acf5
YM		 2403{
2404 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2405 struct pfvf_start_queue_resp_tlv *p_tlv;
a044df83
YM		 2406 bool b_legacy = false;
2407 u16 length;
5040acf5
YM		 2408
2409 mbx->offset = (u8 *)mbx->reply_virt;
2410
a044df83
YM		 2411 /* Taking a bigger struct instead of adding a TLV to list was a
2412 * mistake, but one which we're now stuck with, as some older
2413 * clients assume the size of the previous response.
2414 */
2415 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2416 ETH_HSI_VER_NO_PKT_LEN_TUNN)
2417 b_legacy = true;
2418
2419 if (!b_legacy)
2420 length = sizeof(*p_tlv);
2421 else
2422 length = sizeof(struct pfvf_def_resp_tlv);
2423
5040acf5 2424 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
a044df83 2425 length);
5040acf5
YM		 2426 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2427 sizeof(struct channel_list_end_tlv));
2428
2429 /* Update the TLV with the response */
007bc371
MY		 2430 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy)
2431 p_tlv->offset = qed_db_addr_vf(cid, DQ_DEMS_LEGACY);
5040acf5 2432
a044df83 2433 qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
5040acf5
YM		 2434}
2435
dacd88d6
YM		 2436static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2437 struct qed_ptt *p_ptt,
2438 struct qed_vf_info *vf)
2439{
dacd88d6 2440 struct qed_queue_start_common_params params;
3946497a 2441 struct qed_queue_cid_vf_params vf_params;
dacd88d6 2442 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 2443 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 2444 struct vfpf_start_txq_tlv *req;
007bc371
MY		 2445 struct qed_vf_queue *p_queue;
2446 struct qed_queue_cid *p_cid;
f604b17d 2447 struct qed_sb_info sb_dummy;
3b19f478 2448 u8 qid_usage_idx, vf_legacy;
007bc371 2449 u32 cid = 0;
dacd88d6 2450 int rc;
3da7a37a 2451 u16 pq;
dacd88d6 2452
dacd88d6
YM		 2453 memset(&params, 0, sizeof(params));
2454 req = &mbx->req_virt->start_txq;
41086467 2455
f109c240 2456 if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
08bc8f15 2457 QED_IOV_VALIDATE_Q_NA) ||
41086467
YM		 2458 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2459 goto out;
2460
bbe3f233 2461 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
08bc8f15
MY		 2462 if (qid_usage_idx == QED_IOV_QID_INVALID)
2463 goto out;
2464
3da7a37a 2465 p_queue = &vf->vf_queues[req->tx_qid];
08bc8f15
MY		 2466 if (p_queue->cids[qid_usage_idx].p_cid)
2467 goto out;
3da7a37a 2468
3b19f478 2469 vf_legacy = qed_vf_calculate_legacy(vf);
3946497a 2470
bbe3f233 2471 /* Acquire a new queue-cid */
3da7a37a 2472 params.queue_id = p_queue->fw_tx_qid;
dacd88d6 2473 params.vport_id = vf->vport_id;
3da7a37a 2474 params.stats_id = vf->abs_vf_id + 0x10;
f604b17d
MY		 2475
2476 /* Since IGU index is passed via sb_info, construct a dummy one */
2477 memset(&sb_dummy, 0, sizeof(sb_dummy));
2478 sb_dummy.igu_sb_id = req->hw_sb;
2479 params.p_sb = &sb_dummy;
dacd88d6
YM		 2480 params.sb_idx = req->sb_index;
2481
3946497a
MY		 2482 memset(&vf_params, 0, sizeof(vf_params));
2483 vf_params.vfid = vf->relative_vf_id;
2484 vf_params.vf_qid = (u8)req->tx_qid;
3b19f478 2485 vf_params.vf_legacy = vf_legacy;
bbe3f233 2486 vf_params.qid_usage_idx = qid_usage_idx;
3946497a 2487
007bc371
MY		 2488 p_cid = qed_eth_queue_to_cid(p_hwfn, vf->opaque_fid,
2489 &params, false, &vf_params);
2490 if (!p_cid)
3da7a37a 2491 goto out;
dacd88d6 2492
b5a9ee7c 2493 pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
007bc371 2494 rc = qed_eth_txq_start_ramrod(p_hwfn, p_cid,
3da7a37a 2495 req->pbl_addr, req->pbl_size, pq);
41086467 2496 if (rc) {
dacd88d6 2497 status = PFVF_STATUS_FAILURE;
007bc371 2498 qed_eth_queue_cid_release(p_hwfn, p_cid);
41086467
YM		 2499 } else {
2500 status = PFVF_STATUS_SUCCESS;
007bc371
MY		 2501 p_queue->cids[qid_usage_idx].p_cid = p_cid;
2502 p_queue->cids[qid_usage_idx].b_is_tx = true;
2503 cid = p_cid->cid;
41086467 2504 }
dacd88d6 2505
41086467 2506out:
007bc371 2507 qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, cid, status);
dacd88d6
YM		 2508}
2509
2510static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2511 struct qed_vf_info *vf,
007bc371
MY		 2512 u16 rxq_id,
2513 u8 qid_usage_idx, bool cqe_completion)
dacd88d6 2514{
007bc371 2515 struct qed_vf_queue *p_queue;
dacd88d6 2516 int rc = 0;
dacd88d6 2517
08bc8f15 2518 if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id, QED_IOV_VALIDATE_Q_NA)) {
4c4fa793
MY		 2519 DP_VERBOSE(p_hwfn,
2520 QED_MSG_IOV,
08bc8f15
MY		 2521 "VF[%d] Tried Closing Rx 0x%04x.%02x which is inactive\n",
2522 vf->relative_vf_id, rxq_id, qid_usage_idx);
dacd88d6 2523 return -EINVAL;
4c4fa793 2524 }
dacd88d6 2525
4c4fa793 2526 p_queue = &vf->vf_queues[rxq_id];
3da7a37a 2527
08bc8f15
MY		 2528 /* We've validated the index and the existence of the active RXQ -
2529 * now we need to make sure that it's using the correct qid.
2530 */
2531 if (!p_queue->cids[qid_usage_idx].p_cid ||
2532 p_queue->cids[qid_usage_idx].b_is_tx) {
2533 struct qed_queue_cid *p_cid;
2534
2535 p_cid = qed_iov_get_vf_rx_queue_cid(p_queue);
2536 DP_VERBOSE(p_hwfn,
2537 QED_MSG_IOV,
2538 "VF[%d] - Tried Closing Rx 0x%04x.%02x, but Rx is at %04x.%02x\n",
2539 vf->relative_vf_id,
2540 rxq_id, qid_usage_idx, rxq_id, p_cid->qid_usage_idx);
2541 return -EINVAL;
2542 }
2543
2544 /* Now that we know we have a valid Rx-queue - close it */
4c4fa793 2545 rc = qed_eth_rx_queue_stop(p_hwfn,
007bc371 2546 p_queue->cids[qid_usage_idx].p_cid,
4c4fa793
MY		 2547 false, cqe_completion);
2548 if (rc)
2549 return rc;
3da7a37a 2550
007bc371 2551 p_queue->cids[qid_usage_idx].p_cid = NULL;
4c4fa793 2552 vf->num_active_rxqs--;
dacd88d6 2553
4c4fa793 2554 return 0;
dacd88d6
YM		 2555}
2556
2557static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
007bc371
MY		 2558 struct qed_vf_info *vf,
2559 u16 txq_id, u8 qid_usage_idx)
dacd88d6 2560{
007bc371 2561 struct qed_vf_queue *p_queue;
4c4fa793 2562 int rc = 0;
dacd88d6 2563
08bc8f15 2564 if (!qed_iov_validate_txq(p_hwfn, vf, txq_id, QED_IOV_VALIDATE_Q_NA))
dacd88d6
YM		 2565 return -EINVAL;
2566
4c4fa793 2567 p_queue = &vf->vf_queues[txq_id];
08bc8f15
MY		 2568 if (!p_queue->cids[qid_usage_idx].p_cid ||
2569 !p_queue->cids[qid_usage_idx].b_is_tx)
2570 return -EINVAL;
dacd88d6 2571
007bc371 2572 rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->cids[qid_usage_idx].p_cid);
4c4fa793
MY		 2573 if (rc)
2574 return rc;
3da7a37a 2575
007bc371 2576 p_queue->cids[qid_usage_idx].p_cid = NULL;
4c4fa793 2577 return 0;
dacd88d6
YM		 2578}
2579
2580static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2581 struct qed_ptt *p_ptt,
2582 struct qed_vf_info *vf)
2583{
2584 u16 length = sizeof(struct pfvf_def_resp_tlv);
2585 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
4c4fa793 2586 u8 status = PFVF_STATUS_FAILURE;
dacd88d6 2587 struct vfpf_stop_rxqs_tlv *req;
007bc371 2588 u8 qid_usage_idx;
dacd88d6
YM		 2589 int rc;
2590
4c4fa793
MY		 2591 /* There has never been an official driver that used this interface
2592 * for stopping multiple queues, and it is now considered deprecated.
2593 * Validate this isn't used here.
dacd88d6
YM		 2594 */
2595 req = &mbx->req_virt->stop_rxqs;
4c4fa793
MY		 2596 if (req->num_rxqs != 1) {
2597 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2598 "Odd; VF[%d] tried stopping multiple Rx queues\n",
2599 vf->relative_vf_id);
2600 status = PFVF_STATUS_NOT_SUPPORTED;
2601 goto out;
2602 }
dacd88d6 2603
007bc371
MY		 2604 /* Find which qid-index is associated with the queue */
2605 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
08bc8f15
MY		 2606 if (qid_usage_idx == QED_IOV_QID_INVALID)
2607 goto out;
007bc371 2608
4c4fa793 2609 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
007bc371 2610 qid_usage_idx, req->cqe_completion);
4c4fa793
MY		 2611 if (!rc)
2612 status = PFVF_STATUS_SUCCESS;
2613out:
dacd88d6
YM		 2614 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2615 length, status);
2616}
2617
2618static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2619 struct qed_ptt *p_ptt,
2620 struct qed_vf_info *vf)
2621{
2622 u16 length = sizeof(struct pfvf_def_resp_tlv);
2623 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
4c4fa793 2624 u8 status = PFVF_STATUS_FAILURE;
dacd88d6 2625 struct vfpf_stop_txqs_tlv *req;
007bc371 2626 u8 qid_usage_idx;
dacd88d6
YM		 2627 int rc;
2628
4c4fa793
MY		 2629 /* There has never been an official driver that used this interface
2630 * for stopping multiple queues, and it is now considered deprecated.
2631 * Validate this isn't used here.
dacd88d6
YM		 2632 */
2633 req = &mbx->req_virt->stop_txqs;
4c4fa793
MY		 2634 if (req->num_txqs != 1) {
2635 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2636 "Odd; VF[%d] tried stopping multiple Tx queues\n",
2637 vf->relative_vf_id);
2638 status = PFVF_STATUS_NOT_SUPPORTED;
2639 goto out;
2640 }
007bc371
MY		 2641
2642 /* Find which qid-index is associated with the queue */
2643 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, true);
08bc8f15
MY		 2644 if (qid_usage_idx == QED_IOV_QID_INVALID)
2645 goto out;
007bc371
MY		 2646
2647 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, qid_usage_idx);
4c4fa793
MY		 2648 if (!rc)
2649 status = PFVF_STATUS_SUCCESS;
dacd88d6 2650
4c4fa793 2651out:
dacd88d6
YM		 2652 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2653 length, status);
2654}
2655
17b235c1
YM		 2656static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2657 struct qed_ptt *p_ptt,
2658 struct qed_vf_info *vf)
2659{
3da7a37a 2660 struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
17b235c1
YM		 2661 u16 length = sizeof(struct pfvf_def_resp_tlv);
2662 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2663 struct vfpf_update_rxq_tlv *req;
3da7a37a 2664 u8 status = PFVF_STATUS_FAILURE;
17b235c1
YM		 2665 u8 complete_event_flg;
2666 u8 complete_cqe_flg;
007bc371 2667 u8 qid_usage_idx;
17b235c1
YM		 2668 int rc;
2669 u8 i;
2670
2671 req = &mbx->req_virt->update_rxq;
2672 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2673 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2674
007bc371 2675 qid_usage_idx = qed_iov_vf_mbx_qid(p_hwfn, vf, false);
08bc8f15
MY		 2676 if (qid_usage_idx == QED_IOV_QID_INVALID)
2677 goto out;
2678
2679 /* There shouldn't exist a VF that uses queue-qids yet uses this
2680 * API with multiple Rx queues. Validate this.
2681 */
2682 if ((vf->acquire.vfdev_info.capabilities &
2683 VFPF_ACQUIRE_CAP_QUEUE_QIDS) && req->num_rxqs != 1) {
2684 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2685 "VF[%d] supports QIDs but sends multiple queues\n",
2686 vf->relative_vf_id);
2687 goto out;
2688 }
007bc371 2689
08bc8f15
MY		 2690 /* Validate inputs - for the legacy case this is still true since
2691 * qid_usage_idx for each Rx queue would be LEGACY_QID_RX.
2692 */
2693 for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++) {
f109c240 2694 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
08bc8f15
MY		 2695 QED_IOV_VALIDATE_Q_NA) ||
2696 !vf->vf_queues[i].cids[qid_usage_idx].p_cid ||
2697 vf->vf_queues[i].cids[qid_usage_idx].b_is_tx) {
2698 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2699 "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2700 vf->relative_vf_id, req->rx_qid,
2701 req->num_rxqs);
3da7a37a 2702 goto out;
17b235c1 2703 }
08bc8f15 2704 }
17b235c1 2705
f109c240
MY		 2706 /* Prepare the handlers */
2707 for (i = 0; i < req->num_rxqs; i++) {
007bc371
MY		 2708 u16 qid = req->rx_qid + i;
2709
2710 handlers[i] = vf->vf_queues[qid].cids[qid_usage_idx].p_cid;
17b235c1
YM		 2711 }
2712
3da7a37a
MY		 2713 rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2714 req->num_rxqs,
2715 complete_cqe_flg,
2716 complete_event_flg,
2717 QED_SPQ_MODE_EBLOCK, NULL);
2718 if (rc)
2719 goto out;
2720
2721 status = PFVF_STATUS_SUCCESS;
2722out:
17b235c1
YM		 2723 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2724 length, status);
2725}
2726
dacd88d6
YM		 2727void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2728 void *p_tlvs_list, u16 req_type)
2729{
2730 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2731 int len = 0;
2732
2733 do {
2734 if (!p_tlv->length) {
2735 DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2736 return NULL;
2737 }
2738
2739 if (p_tlv->type == req_type) {
2740 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2741 "Extended tlv type %d, length %d found\n",
2742 p_tlv->type, p_tlv->length);
2743 return p_tlv;
2744 }
2745
2746 len += p_tlv->length;
2747 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2748
2749 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2750 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2751 return NULL;
2752 }
2753 } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2754
2755 return NULL;
2756}
2757
2758static void
2759qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2760 struct qed_sp_vport_update_params *p_data,
2761 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2762{
2763 struct vfpf_vport_update_activate_tlv *p_act_tlv;
2764 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2765
2766 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2767 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2768 if (!p_act_tlv)
2769 return;
2770
2771 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2772 p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2773 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2774 p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2775 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2776}
2777
17b235c1
YM		 2778static void
2779qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2780 struct qed_sp_vport_update_params *p_data,
2781 struct qed_vf_info *p_vf,
2782 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2783{
2784 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2785 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2786
2787 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2788 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2789 if (!p_vlan_tlv)
2790 return;
2791
08feecd7
YM		 2792 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2793
2794 /* Ignore the VF request if we're forcing a vlan */
1a635e48 2795 if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
08feecd7
YM		 2796 p_data->update_inner_vlan_removal_flg = 1;
2797 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2798 }
17b235c1
YM		 2799
2800 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2801}
2802
2803static void
2804qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2805 struct qed_sp_vport_update_params *p_data,
2806 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2807{
2808 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2809 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2810
2811 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2812 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2813 tlv);
2814 if (!p_tx_switch_tlv)
2815 return;
2816
2817 p_data->update_tx_switching_flg = 1;
2818 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2819 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2820}
2821
dacd88d6
YM		 2822static void
2823qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2824 struct qed_sp_vport_update_params *p_data,
2825 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2826{
2827 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2828 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2829
2830 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2831 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2832 if (!p_mcast_tlv)
2833 return;
2834
2835 p_data->update_approx_mcast_flg = 1;
2836 memcpy(p_data->bins, p_mcast_tlv->bins,
25c020a9 2837 sizeof(u32) * ETH_MULTICAST_MAC_BINS_IN_REGS);
dacd88d6
YM		 2838 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2839}
2840
2841static void
2842qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2843 struct qed_sp_vport_update_params *p_data,
2844 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2845{
2846 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2847 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2848 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2849
2850 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2851 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2852 if (!p_accept_tlv)
2853 return;
2854
2855 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2856 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2857 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2858 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2859 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2860}
2861
17b235c1
YM		 2862static void
2863qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2864 struct qed_sp_vport_update_params *p_data,
2865 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2866{
2867 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2868 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2869
2870 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2871 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2872 tlv);
2873 if (!p_accept_any_vlan)
2874 return;
2875
2876 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2877 p_data->update_accept_any_vlan_flg =
2878 p_accept_any_vlan->update_accept_any_vlan_flg;
2879 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2880}
2881
dacd88d6
YM		 2882static void
2883qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2884 struct qed_vf_info *vf,
2885 struct qed_sp_vport_update_params *p_data,
2886 struct qed_rss_params *p_rss,
f29ffdb6
MY		 2887 struct qed_iov_vf_mbx *p_mbx,
2888 u16 *tlvs_mask, u16 *tlvs_accepted)
dacd88d6
YM		 2889{
2890 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2891 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
f29ffdb6 2892 bool b_reject = false;
dacd88d6 2893 u16 table_size;
f29ffdb6 2894 u16 i, q_idx;
dacd88d6
YM		 2895
2896 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2897 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2898 if (!p_rss_tlv) {
2899 p_data->rss_params = NULL;
2900 return;
2901 }
2902
2903 memset(p_rss, 0, sizeof(struct qed_rss_params));
2904
2905 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2906 VFPF_UPDATE_RSS_CONFIG_FLAG);
2907 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2908 VFPF_UPDATE_RSS_CAPS_FLAG);
2909 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2910 VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2911 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2912 VFPF_UPDATE_RSS_KEY_FLAG);
2913
2914 p_rss->rss_enable = p_rss_tlv->rss_enable;
2915 p_rss->rss_eng_id = vf->relative_vf_id + 1;
2916 p_rss->rss_caps = p_rss_tlv->rss_caps;
2917 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
dacd88d6
YM		 2918 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2919
2920 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2921 (1 << p_rss_tlv->rss_table_size_log));
2922
dacd88d6 2923 for (i = 0; i < table_size; i++) {
007bc371
MY		 2924 struct qed_queue_cid *p_cid;
2925
f29ffdb6 2926 q_idx = p_rss_tlv->rss_ind_table[i];
f109c240
MY		 2927 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2928 QED_IOV_VALIDATE_Q_ENABLE)) {
f29ffdb6
MY		 2929 DP_VERBOSE(p_hwfn,
2930 QED_MSG_IOV,
2931 "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2932 vf->relative_vf_id, q_idx);
2933 b_reject = true;
2934 goto out;
2935 }
dacd88d6 2936
007bc371
MY		 2937 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[q_idx]);
2938 p_rss->rss_ind_table[i] = p_cid;
dacd88d6
YM		 2939 }
2940
2941 p_data->rss_params = p_rss;
f29ffdb6 2942out:
dacd88d6 2943 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
f29ffdb6
MY		 2944 if (!b_reject)
2945 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
dacd88d6
YM		 2946}
2947
17b235c1
YM		 2948static void
2949qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2950 struct qed_vf_info *vf,
2951 struct qed_sp_vport_update_params *p_data,
2952 struct qed_sge_tpa_params *p_sge_tpa,
2953 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2954{
2955 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2956 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2957
2958 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2959 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2960
2961 if (!p_sge_tpa_tlv) {
2962 p_data->sge_tpa_params = NULL;
2963 return;
2964 }
2965
2966 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2967
2968 p_sge_tpa->update_tpa_en_flg =
2969 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2970 p_sge_tpa->update_tpa_param_flg =
2971 !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2972 VFPF_UPDATE_TPA_PARAM_FLAG);
2973
2974 p_sge_tpa->tpa_ipv4_en_flg =
2975 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2976 p_sge_tpa->tpa_ipv6_en_flg =
2977 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2978 p_sge_tpa->tpa_pkt_split_flg =
2979 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2980 p_sge_tpa->tpa_hdr_data_split_flg =
2981 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2982 p_sge_tpa->tpa_gro_consistent_flg =
2983 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2984
2985 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2986 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2987 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2988 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2989 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2990
2991 p_data->sge_tpa_params = p_sge_tpa;
2992
2993 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2994}
2995
f990c82c
MY		 2996static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2997 u8 vfid,
2998 struct qed_sp_vport_update_params *params,
2999 u16 *tlvs)
3000{
3001 u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
3002 struct qed_filter_accept_flags *flags = &params->accept_flags;
3003 struct qed_public_vf_info *vf_info;
3004
3005 /* Untrusted VFs can't even be trusted to know that fact.
3006 * Simply indicate everything is configured fine, and trace
3007 * configuration 'behind their back'.
3008 */
3009 if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
3010 return 0;
3011
3012 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3013
3014 if (flags->update_rx_mode_config) {
3015 vf_info->rx_accept_mode = flags->rx_accept_filter;
3016 if (!vf_info->is_trusted_configured)
3017 flags->rx_accept_filter &= ~mask;
3018 }
3019
3020 if (flags->update_tx_mode_config) {
3021 vf_info->tx_accept_mode = flags->tx_accept_filter;
3022 if (!vf_info->is_trusted_configured)
3023 flags->tx_accept_filter &= ~mask;
3024 }
3025
3026 return 0;
3027}
3028
dacd88d6
YM		 3029static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
3030 struct qed_ptt *p_ptt,
3031 struct qed_vf_info *vf)
3032{
f29ffdb6 3033 struct qed_rss_params *p_rss_params = NULL;
dacd88d6
YM		 3034 struct qed_sp_vport_update_params params;
3035 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
17b235c1 3036 struct qed_sge_tpa_params sge_tpa_params;
f29ffdb6 3037 u16 tlvs_mask = 0, tlvs_accepted = 0;
dacd88d6 3038 u8 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 3039 u16 length;
3040 int rc;
3041
41086467
YM		 3042 /* Valiate PF can send such a request */
3043 if (!vf->vport_instance) {
3044 DP_VERBOSE(p_hwfn,
3045 QED_MSG_IOV,
3046 "No VPORT instance available for VF[%d], failing vport update\n",
3047 vf->abs_vf_id);
3048 status = PFVF_STATUS_FAILURE;
3049 goto out;
3050 }
f29ffdb6
MY		 3051 p_rss_params = vzalloc(sizeof(*p_rss_params));
3052 if (p_rss_params == NULL) {
3053 status = PFVF_STATUS_FAILURE;
3054 goto out;
3055 }
41086467 3056
dacd88d6
YM		 3057 memset(&params, 0, sizeof(params));
3058 params.opaque_fid = vf->opaque_fid;
3059 params.vport_id = vf->vport_id;
3060 params.rss_params = NULL;
3061
3062 /* Search for extended tlvs list and update values
3063 * from VF in struct qed_sp_vport_update_params.
3064 */
3065 qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 3066 qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
3067 qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
dacd88d6
YM		 3068 qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
3069 qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 3070 qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
3071 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
3072 &sge_tpa_params, mbx, &tlvs_mask);
dacd88d6 3073
f29ffdb6
MY		 3074 tlvs_accepted = tlvs_mask;
3075
3076 /* Some of the extended TLVs need to be validated first; In that case,
3077 * they can update the mask without updating the accepted [so that
3078 * PF could communicate to VF it has rejected request].
dacd88d6 3079 */
f29ffdb6
MY		 3080 qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
3081 mbx, &tlvs_mask, &tlvs_accepted);
3082
f990c82c
MY		 3083 if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
3084 &params, &tlvs_accepted)) {
3085 tlvs_accepted = 0;
3086 status = PFVF_STATUS_NOT_SUPPORTED;
3087 goto out;
3088 }
3089
f29ffdb6
MY		 3090 if (!tlvs_accepted) {
3091 if (tlvs_mask)
3092 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3093 "Upper-layer prevents VF vport configuration\n");
3094 else
3095 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3096 "No feature tlvs found for vport update\n");
dacd88d6
YM		 3097 status = PFVF_STATUS_NOT_SUPPORTED;
3098 goto out;
3099 }
3100
3101 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
3102
3103 if (rc)
3104 status = PFVF_STATUS_FAILURE;
3105
3106out:
f29ffdb6 3107 vfree(p_rss_params);
dacd88d6 3108 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
f29ffdb6 3109 tlvs_mask, tlvs_accepted);
dacd88d6
YM		 3110 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
3111}
3112
8246d0b4
YM		 3113static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
3114 struct qed_vf_info *p_vf,
3115 struct qed_filter_ucast *p_params)
08feecd7
YM		 3116{
3117 int i;
3118
08feecd7
YM		 3119 /* First remove entries and then add new ones */
3120 if (p_params->opcode == QED_FILTER_REMOVE) {
3121 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3122 if (p_vf->shadow_config.vlans[i].used &&
3123 p_vf->shadow_config.vlans[i].vid ==
3124 p_params->vlan) {
3125 p_vf->shadow_config.vlans[i].used = false;
3126 break;
3127 }
3128 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3129 DP_VERBOSE(p_hwfn,
3130 QED_MSG_IOV,
3131 "VF [%d] - Tries to remove a non-existing vlan\n",
3132 p_vf->relative_vf_id);
3133 return -EINVAL;
3134 }
3135 } else if (p_params->opcode == QED_FILTER_REPLACE ||
3136 p_params->opcode == QED_FILTER_FLUSH) {
3137 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
3138 p_vf->shadow_config.vlans[i].used = false;
3139 }
3140
3141 /* In forced mode, we're willing to remove entries - but we don't add
3142 * new ones.
3143 */
1a635e48 3144 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
08feecd7
YM		 3145 return 0;
3146
3147 if (p_params->opcode == QED_FILTER_ADD ||
3148 p_params->opcode == QED_FILTER_REPLACE) {
3149 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
3150 if (p_vf->shadow_config.vlans[i].used)
3151 continue;
3152
3153 p_vf->shadow_config.vlans[i].used = true;
3154 p_vf->shadow_config.vlans[i].vid = p_params->vlan;
3155 break;
3156 }
3157
3158 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
3159 DP_VERBOSE(p_hwfn,
3160 QED_MSG_IOV,
3161 "VF [%d] - Tries to configure more than %d vlan filters\n",
3162 p_vf->relative_vf_id,
3163 QED_ETH_VF_NUM_VLAN_FILTERS + 1);
3164 return -EINVAL;
3165 }
3166 }
3167
3168 return 0;
3169}
3170
8246d0b4
YM		 3171static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
3172 struct qed_vf_info *p_vf,
3173 struct qed_filter_ucast *p_params)
3174{
3175 int i;
3176
3177 /* If we're in forced-mode, we don't allow any change */
1a635e48 3178 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
8246d0b4
YM		 3179 return 0;
3180
7425d822
SS		 3181 /* Don't keep track of shadow copy since we don't intend to restore. */
3182 if (p_vf->p_vf_info.is_trusted_configured)
3183 return 0;
3184
8246d0b4
YM		 3185 /* First remove entries and then add new ones */
3186 if (p_params->opcode == QED_FILTER_REMOVE) {
3187 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3188 if (ether_addr_equal(p_vf->shadow_config.macs[i],
3189 p_params->mac)) {
0ee28e31 3190 eth_zero_addr(p_vf->shadow_config.macs[i]);
8246d0b4
YM		 3191 break;
3192 }
3193 }
3194
3195 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3196 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3197 "MAC isn't configured\n");
3198 return -EINVAL;
3199 }
3200 } else if (p_params->opcode == QED_FILTER_REPLACE ||
3201 p_params->opcode == QED_FILTER_FLUSH) {
3202 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
0ee28e31 3203 eth_zero_addr(p_vf->shadow_config.macs[i]);
8246d0b4
YM		 3204 }
3205
3206 /* List the new MAC address */
3207 if (p_params->opcode != QED_FILTER_ADD &&
3208 p_params->opcode != QED_FILTER_REPLACE)
3209 return 0;
3210
3211 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
3212 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
3213 ether_addr_copy(p_vf->shadow_config.macs[i],
3214 p_params->mac);
3215 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3216 "Added MAC at %d entry in shadow\n", i);
3217 break;
3218 }
3219 }
3220
3221 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
3222 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
3223 return -EINVAL;
3224 }
3225
3226 return 0;
3227}
3228
3229static int
3230qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
3231 struct qed_vf_info *p_vf,
3232 struct qed_filter_ucast *p_params)
3233{
3234 int rc = 0;
3235
3236 if (p_params->type == QED_FILTER_MAC) {
3237 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
3238 if (rc)
3239 return rc;
3240 }
3241
3242 if (p_params->type == QED_FILTER_VLAN)
3243 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
3244
3245 return rc;
3246}
3247
ba56947a
BX		 3248static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
3249 int vfid, struct qed_filter_ucast *params)
dacd88d6
YM		 3250{
3251 struct qed_public_vf_info *vf;
3252
3253 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
3254 if (!vf)
3255 return -EINVAL;
3256
3257 /* No real decision to make; Store the configured MAC */
3258 if (params->type == QED_FILTER_MAC ||
7425d822 3259 params->type == QED_FILTER_MAC_VLAN) {
dacd88d6
YM		 3260 ether_addr_copy(vf->mac, params->mac);
3261
7425d822
SS		 3262 if (vf->is_trusted_configured) {
3263 qed_iov_bulletin_set_mac(hwfn, vf->mac, vfid);
3264
3265 /* Update and post bulleitin again */
3266 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3267 }
3268 }
3269
dacd88d6
YM		 3270 return 0;
3271}
3272
3273static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
3274 struct qed_ptt *p_ptt,
3275 struct qed_vf_info *vf)
3276{
08feecd7 3277 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
dacd88d6
YM		 3278 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3279 struct vfpf_ucast_filter_tlv *req;
3280 u8 status = PFVF_STATUS_SUCCESS;
3281 struct qed_filter_ucast params;
3282 int rc;
3283
3284 /* Prepare the unicast filter params */
3285 memset(&params, 0, sizeof(struct qed_filter_ucast));
3286 req = &mbx->req_virt->ucast_filter;
3287 params.opcode = (enum qed_filter_opcode)req->opcode;
3288 params.type = (enum qed_filter_ucast_type)req->type;
3289
3290 params.is_rx_filter = 1;
3291 params.is_tx_filter = 1;
3292 params.vport_to_remove_from = vf->vport_id;
3293 params.vport_to_add_to = vf->vport_id;
3294 memcpy(params.mac, req->mac, ETH_ALEN);
3295 params.vlan = req->vlan;
3296
3297 DP_VERBOSE(p_hwfn,
3298 QED_MSG_IOV,
3299 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
3300 vf->abs_vf_id, params.opcode, params.type,
3301 params.is_rx_filter ? "RX" : "",
3302 params.is_tx_filter ? "TX" : "",
3303 params.vport_to_add_to,
3304 params.mac[0], params.mac[1],
3305 params.mac[2], params.mac[3],
3306 params.mac[4], params.mac[5], params.vlan);
3307
3308 if (!vf->vport_instance) {
3309 DP_VERBOSE(p_hwfn,
3310 QED_MSG_IOV,
3311 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
3312 vf->abs_vf_id);
3313 status = PFVF_STATUS_FAILURE;
3314 goto out;
3315 }
3316
08feecd7
YM		 3317 /* Update shadow copy of the VF configuration */
3318 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
3319 status = PFVF_STATUS_FAILURE;
3320 goto out;
3321 }
3322
3323 /* Determine if the unicast filtering is acceptible by PF */
1a635e48 3324 if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 3325 (params.type == QED_FILTER_VLAN ||
3326 params.type == QED_FILTER_MAC_VLAN)) {
3327 /* Once VLAN is forced or PVID is set, do not allow
3328 * to add/replace any further VLANs.
3329 */
3330 if (params.opcode == QED_FILTER_ADD ||
3331 params.opcode == QED_FILTER_REPLACE)
3332 status = PFVF_STATUS_FORCED;
3333 goto out;
3334 }
3335
1a635e48 3336 if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
eff16960
YM		 3337 (params.type == QED_FILTER_MAC ||
3338 params.type == QED_FILTER_MAC_VLAN)) {
3339 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
3340 (params.opcode != QED_FILTER_ADD &&
3341 params.opcode != QED_FILTER_REPLACE))
3342 status = PFVF_STATUS_FORCED;
3343 goto out;
3344 }
3345
dacd88d6
YM		 3346 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
3347 if (rc) {
3348 status = PFVF_STATUS_FAILURE;
3349 goto out;
3350 }
3351
3352 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
3353 QED_SPQ_MODE_CB, NULL);
3354 if (rc)
3355 status = PFVF_STATUS_FAILURE;
3356
3357out:
3358 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
3359 sizeof(struct pfvf_def_resp_tlv), status);
3360}
3361
0b55e27d
YM		 3362static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
3363 struct qed_ptt *p_ptt,
3364 struct qed_vf_info *vf)
3365{
3366 int i;
3367
3368 /* Reset the SBs */
3369 for (i = 0; i < vf->num_sbs; i++)
3370 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
3371 vf->igu_sbs[i],
3372 vf->opaque_fid, false);
3373
3374 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
3375 sizeof(struct pfvf_def_resp_tlv),
3376 PFVF_STATUS_SUCCESS);
3377}
3378
3379static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
3380 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
3381{
3382 u16 length = sizeof(struct pfvf_def_resp_tlv);
3383 u8 status = PFVF_STATUS_SUCCESS;
3384
3385 /* Disable Interrupts for VF */
3386 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
3387
3388 /* Reset Permission table */
3389 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
3390
3391 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
3392 length, status);
3393}
3394
3395static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
3396 struct qed_ptt *p_ptt,
3397 struct qed_vf_info *p_vf)
3398{
3399 u16 length = sizeof(struct pfvf_def_resp_tlv);
1fe614d1
YM		 3400 u8 status = PFVF_STATUS_SUCCESS;
3401 int rc = 0;
0b55e27d
YM		 3402
3403 qed_iov_vf_cleanup(p_hwfn, p_vf);
3404
1fe614d1
YM		 3405 if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
3406 /* Stopping the VF */
3407 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
3408 p_vf->opaque_fid);
3409
3410 if (rc) {
3411 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
3412 rc);
3413 status = PFVF_STATUS_FAILURE;
3414 }
3415
3416 p_vf->state = VF_STOPPED;
3417 }
3418
0b55e27d 3419 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
1fe614d1 3420 length, status);
0b55e27d
YM		 3421}
3422
bf5a94bf
RV		 3423static void qed_iov_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
3424 struct qed_ptt *p_ptt,
3425 struct qed_vf_info *p_vf)
3426{
3427 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3428 struct pfvf_read_coal_resp_tlv *p_resp;
3429 struct vfpf_read_coal_req_tlv *req;
3430 u8 status = PFVF_STATUS_FAILURE;
3431 struct qed_vf_queue *p_queue;
3432 struct qed_queue_cid *p_cid;
3433 u16 coal = 0, qid, i;
3434 bool b_is_rx;
3435 int rc = 0;
3436
3437 mbx->offset = (u8 *)mbx->reply_virt;
3438 req = &mbx->req_virt->read_coal_req;
3439
3440 qid = req->qid;
3441 b_is_rx = req->is_rx ? true : false;
3442
3443 if (b_is_rx) {
3444 if (!qed_iov_validate_rxq(p_hwfn, p_vf, qid,
3445 QED_IOV_VALIDATE_Q_ENABLE)) {
3446 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3447 "VF[%d]: Invalid Rx queue_id = %d\n",
3448 p_vf->abs_vf_id, qid);
3449 goto send_resp;
3450 }
3451
3452 p_cid = qed_iov_get_vf_rx_queue_cid(&p_vf->vf_queues[qid]);
3453 rc = qed_get_rxq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3454 if (rc)
3455 goto send_resp;
3456 } else {
3457 if (!qed_iov_validate_txq(p_hwfn, p_vf, qid,
3458 QED_IOV_VALIDATE_Q_ENABLE)) {
3459 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3460 "VF[%d]: Invalid Tx queue_id = %d\n",
3461 p_vf->abs_vf_id, qid);
3462 goto send_resp;
3463 }
3464 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3465 p_queue = &p_vf->vf_queues[qid];
3466 if ((!p_queue->cids[i].p_cid) ||
3467 (!p_queue->cids[i].b_is_tx))
3468 continue;
3469
3470 p_cid = p_queue->cids[i].p_cid;
3471
3472 rc = qed_get_txq_coalesce(p_hwfn, p_ptt, p_cid, &coal);
3473 if (rc)
3474 goto send_resp;
3475 break;
3476 }
3477 }
3478
3479 status = PFVF_STATUS_SUCCESS;
3480
3481send_resp:
3482 p_resp = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_COALESCE_READ,
3483 sizeof(*p_resp));
3484 p_resp->coal = coal;
3485
3486 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
3487 sizeof(struct channel_list_end_tlv));
3488
3489 qed_iov_send_response(p_hwfn, p_ptt, p_vf, sizeof(*p_resp), status);
3490}
3491
477f2d14
RV		 3492static void qed_iov_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
3493 struct qed_ptt *p_ptt,
3494 struct qed_vf_info *vf)
3495{
3496 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
3497 struct vfpf_update_coalesce *req;
3498 u8 status = PFVF_STATUS_FAILURE;
3499 struct qed_queue_cid *p_cid;
3500 u16 rx_coal, tx_coal;
3501 int rc = 0, i;
3502 u16 qid;
3503
3504 req = &mbx->req_virt->update_coalesce;
3505
3506 rx_coal = req->rx_coal;
3507 tx_coal = req->tx_coal;
3508 qid = req->qid;
3509
3510 if (!qed_iov_validate_rxq(p_hwfn, vf, qid,
3511 QED_IOV_VALIDATE_Q_ENABLE) && rx_coal) {
3512 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3513 "VF[%d]: Invalid Rx queue_id = %d\n",
3514 vf->abs_vf_id, qid);
3515 goto out;
3516 }
3517
3518 if (!qed_iov_validate_txq(p_hwfn, vf, qid,
3519 QED_IOV_VALIDATE_Q_ENABLE) && tx_coal) {
3520 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3521 "VF[%d]: Invalid Tx queue_id = %d\n",
3522 vf->abs_vf_id, qid);
3523 goto out;
3524 }
3525
3526 DP_VERBOSE(p_hwfn,
3527 QED_MSG_IOV,
3528 "VF[%d]: Setting coalesce for VF rx_coal = %d, tx_coal = %d at queue = %d\n",
3529 vf->abs_vf_id, rx_coal, tx_coal, qid);
3530
3531 if (rx_coal) {
3532 p_cid = qed_iov_get_vf_rx_queue_cid(&vf->vf_queues[qid]);
3533
3534 rc = qed_set_rxq_coalesce(p_hwfn, p_ptt, rx_coal, p_cid);
3535 if (rc) {
3536 DP_VERBOSE(p_hwfn,
3537 QED_MSG_IOV,
3538 "VF[%d]: Unable to set rx queue = %d coalesce\n",
3539 vf->abs_vf_id, vf->vf_queues[qid].fw_rx_qid);
3540 goto out;
3541 }
bf5a94bf 3542 vf->rx_coal = rx_coal;
477f2d14
RV		 3543 }
3544
3545 if (tx_coal) {
3546 struct qed_vf_queue *p_queue = &vf->vf_queues[qid];
3547
3548 for (i = 0; i < MAX_QUEUES_PER_QZONE; i++) {
3549 if (!p_queue->cids[i].p_cid)
3550 continue;
3551
3552 if (!p_queue->cids[i].b_is_tx)
3553 continue;
3554
3555 rc = qed_set_txq_coalesce(p_hwfn, p_ptt, tx_coal,
3556 p_queue->cids[i].p_cid);
3557
3558 if (rc) {
3559 DP_VERBOSE(p_hwfn,
3560 QED_MSG_IOV,
3561 "VF[%d]: Unable to set tx queue coalesce\n",
3562 vf->abs_vf_id);
3563 goto out;
3564 }
3565 }
bf5a94bf 3566 vf->tx_coal = tx_coal;
477f2d14
RV		 3567 }
3568
3569 status = PFVF_STATUS_SUCCESS;
3570out:
3571 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_COALESCE_UPDATE,
3572 sizeof(struct pfvf_def_resp_tlv), status);
3573}
0b55e27d
YM		 3574static int
3575qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
3576 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3577{
3578 int cnt;
3579 u32 val;
3580
3581 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
3582
3583 for (cnt = 0; cnt < 50; cnt++) {
3584 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
3585 if (!val)
3586 break;
3587 msleep(20);
3588 }
3589 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
3590
3591 if (cnt == 50) {
3592 DP_ERR(p_hwfn,
3593 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
3594 p_vf->abs_vf_id, val);
3595 return -EBUSY;
3596 }
3597
3598 return 0;
3599}
3600
3601static int
3602qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
3603 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3604{
21dd79e8 3605 u32 cons[MAX_NUM_VOQS_E4], distance[MAX_NUM_VOQS_E4];
0b55e27d
YM		 3606 int i, cnt;
3607
3608 /* Read initial consumers & producers */
21dd79e8 3609 for (i = 0; i < MAX_NUM_VOQS_E4; i++) {
0b55e27d
YM		 3610 u32 prod;
3611
3612 cons[i] = qed_rd(p_hwfn, p_ptt,
3613 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3614 i * 0x40);
3615 prod = qed_rd(p_hwfn, p_ptt,
3616 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
3617 i * 0x40);
3618 distance[i] = prod - cons[i];
3619 }
3620
3621 /* Wait for consumers to pass the producers */
3622 i = 0;
3623 for (cnt = 0; cnt < 50; cnt++) {
21dd79e8 3624 for (; i < MAX_NUM_VOQS_E4; i++) {
0b55e27d
YM		 3625 u32 tmp;
3626
3627 tmp = qed_rd(p_hwfn, p_ptt,
3628 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3629 i * 0x40);
3630 if (distance[i] > tmp - cons[i])
3631 break;
3632 }
3633
21dd79e8 3634 if (i == MAX_NUM_VOQS_E4)
0b55e27d
YM		 3635 break;
3636
3637 msleep(20);
3638 }
3639
3640 if (cnt == 50) {
3641 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3642 p_vf->abs_vf_id, i);
3643 return -EBUSY;
3644 }
3645
3646 return 0;
3647}
3648
3649static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3650 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3651{
3652 int rc;
3653
3654 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3655 if (rc)
3656 return rc;
3657
3658 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3659 if (rc)
3660 return rc;
3661
3662 return 0;
3663}
3664
3665static int
3666qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3667 struct qed_ptt *p_ptt,
3668 u16 rel_vf_id, u32 *ack_vfs)
3669{
3670 struct qed_vf_info *p_vf;
3671 int rc = 0;
3672
3673 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3674 if (!p_vf)
3675 return 0;
3676
3677 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3678 (1ULL << (rel_vf_id % 64))) {
3679 u16 vfid = p_vf->abs_vf_id;
3680
3681 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3682 "VF[%d] - Handling FLR\n", vfid);
3683
3684 qed_iov_vf_cleanup(p_hwfn, p_vf);
3685
3686 /* If VF isn't active, no need for anything but SW */
3687 if (!p_vf->b_init)
3688 goto cleanup;
3689
3690 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3691 if (rc)
3692 goto cleanup;
3693
3694 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3695 if (rc) {
3696 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3697 return rc;
3698 }
3699
7eff82b0
YM		 3700 /* Workaround to make VF-PF channel ready, as FW
3701 * doesn't do that as a part of FLR.
3702 */
3703 REG_WR(p_hwfn,
3704 GTT_BAR0_MAP_REG_USDM_RAM +
3705 USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3706
0b55e27d
YM		 3707 /* VF_STOPPED has to be set only after final cleanup
3708 * but prior to re-enabling the VF.
3709 */
3710 p_vf->state = VF_STOPPED;
3711
3712 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3713 if (rc) {
3714 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3715 vfid);
3716 return rc;
3717 }
3718cleanup:
3719 /* Mark VF for ack and clean pending state */
3720 if (p_vf->state == VF_RESET)
3721 p_vf->state = VF_STOPPED;
1a635e48 3722 ack_vfs[vfid / 32] |= BIT((vfid % 32));
0b55e27d
YM		 3723 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3724 ~(1ULL << (rel_vf_id % 64));
fd3c615a 3725 p_vf->vf_mbx.b_pending_msg = false;
0b55e27d
YM		 3726 }
3727
3728 return rc;
3729}
3730
ba56947a
BX		 3731static int
3732qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
0b55e27d
YM		 3733{
3734 u32 ack_vfs[VF_MAX_STATIC / 32];
3735 int rc = 0;
3736 u16 i;
3737
3738 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3739
3740 /* Since BRB <-> PRS interface can't be tested as part of the flr
3741 * polling due to HW limitations, simply sleep a bit. And since
3742 * there's no need to wait per-vf, do it before looping.
3743 */
3744 msleep(100);
3745
3746 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3747 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3748
3749 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3750 return rc;
3751}
3752
cccf6f5c 3753bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
0b55e27d 3754{
cccf6f5c
MY		 3755 bool found = false;
3756 u16 i;
0b55e27d
YM		 3757
3758 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3759 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3760 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3761 "[%08x,...,%08x]: %08x\n",
3762 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3763
3764 if (!p_hwfn->cdev->p_iov_info) {
3765 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
cccf6f5c 3766 return false;
0b55e27d
YM		 3767 }
3768
3769 /* Mark VFs */
3770 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3771 struct qed_vf_info *p_vf;
3772 u8 vfid;
3773
3774 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3775 if (!p_vf)
3776 continue;
3777
3778 vfid = p_vf->abs_vf_id;
1a635e48 3779 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
0b55e27d
YM		 3780 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3781 u16 rel_vf_id = p_vf->relative_vf_id;
3782
3783 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3784 "VF[%d] [rel %d] got FLR-ed\n",
3785 vfid, rel_vf_id);
3786
3787 p_vf->state = VF_RESET;
3788
3789 /* No need to lock here, since pending_flr should
3790 * only change here and before ACKing MFw. Since
3791 * MFW will not trigger an additional attention for
3792 * VF flr until ACKs, we're safe.
3793 */
3794 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
cccf6f5c 3795 found = true;
0b55e27d
YM		 3796 }
3797 }
3798
3799 return found;
3800}
3801
73390ac9
YM		 3802static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3803 u16 vfid,
3804 struct qed_mcp_link_params *p_params,
3805 struct qed_mcp_link_state *p_link,
3806 struct qed_mcp_link_capabilities *p_caps)
3807{
3808 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3809 vfid,
3810 false);
3811 struct qed_bulletin_content *p_bulletin;
3812
3813 if (!p_vf)
3814 return;
3815
3816 p_bulletin = p_vf->bulletin.p_virt;
3817
3818 if (p_params)
3819 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3820 if (p_link)
3821 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3822 if (p_caps)
3823 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3824}
3825
809c45a0
SS		 3826static int
3827qed_iov_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
3828 struct qed_ptt *p_ptt,
3829 struct qed_vf_info *p_vf)
3830{
3831 struct qed_bulletin_content *p_bulletin = p_vf->bulletin.p_virt;
3832 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
3833 struct vfpf_bulletin_update_mac_tlv *p_req;
3834 u8 status = PFVF_STATUS_SUCCESS;
3835 int rc = 0;
3836
3837 if (!p_vf->p_vf_info.is_trusted_configured) {
3838 DP_VERBOSE(p_hwfn,
3839 QED_MSG_IOV,
3840 "Blocking bulletin update request from untrusted VF[%d]\n",
3841 p_vf->abs_vf_id);
3842 status = PFVF_STATUS_NOT_SUPPORTED;
3843 rc = -EINVAL;
3844 goto send_status;
3845 }
3846
3847 p_req = &mbx->req_virt->bulletin_update_mac;
3848 ether_addr_copy(p_bulletin->mac, p_req->mac);
3849 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3850 "Updated bulletin of VF[%d] with requested MAC[%pM]\n",
3851 p_vf->abs_vf_id, p_req->mac);
3852
3853send_status:
3854 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3855 CHANNEL_TLV_BULLETIN_UPDATE_MAC,
3856 sizeof(struct pfvf_def_resp_tlv), status);
3857 return rc;
3858}
3859
37bff2b9
YM		 3860static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3861 struct qed_ptt *p_ptt, int vfid)
3862{
3863 struct qed_iov_vf_mbx *mbx;
3864 struct qed_vf_info *p_vf;
37bff2b9
YM		 3865
3866 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3867 if (!p_vf)
3868 return;
3869
3870 mbx = &p_vf->vf_mbx;
3871
3872 /* qed_iov_process_mbx_request */
fd3c615a
MY		 3873 if (!mbx->b_pending_msg) {
3874 DP_NOTICE(p_hwfn,
3875 "VF[%02x]: Trying to process mailbox message when none is pending\n",
3876 p_vf->abs_vf_id);
3877 return;
3878 }
3879 mbx->b_pending_msg = false;
37bff2b9
YM		 3880
3881 mbx->first_tlv = mbx->req_virt->first_tlv;
3882
fd3c615a
MY		 3883 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3884 "VF[%02x]: Processing mailbox message [type %04x]\n",
3885 p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3886
37bff2b9 3887 /* check if tlv type is known */
7eff82b0
YM		 3888 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3889 !p_vf->b_malicious) {
1408cc1f
YM		 3890 switch (mbx->first_tlv.tl.type) {
3891 case CHANNEL_TLV_ACQUIRE:
3892 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3893 break;
dacd88d6
YM		 3894 case CHANNEL_TLV_VPORT_START:
3895 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3896 break;
3897 case CHANNEL_TLV_VPORT_TEARDOWN:
3898 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3899 break;
3900 case CHANNEL_TLV_START_RXQ:
3901 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3902 break;
3903 case CHANNEL_TLV_START_TXQ:
3904 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3905 break;
3906 case CHANNEL_TLV_STOP_RXQS:
3907 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3908 break;
3909 case CHANNEL_TLV_STOP_TXQS:
3910 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3911 break;
17b235c1
YM		 3912 case CHANNEL_TLV_UPDATE_RXQ:
3913 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3914 break;
dacd88d6
YM		 3915 case CHANNEL_TLV_VPORT_UPDATE:
3916 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3917 break;
3918 case CHANNEL_TLV_UCAST_FILTER:
3919 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3920 break;
0b55e27d
YM		 3921 case CHANNEL_TLV_CLOSE:
3922 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3923 break;
3924 case CHANNEL_TLV_INT_CLEANUP:
3925 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3926 break;
3927 case CHANNEL_TLV_RELEASE:
3928 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3929 break;
eaf3c0c6
CM		 3930 case CHANNEL_TLV_UPDATE_TUNN_PARAM:
3931 qed_iov_vf_mbx_update_tunn_param(p_hwfn, p_ptt, p_vf);
3932 break;
477f2d14
RV		 3933 case CHANNEL_TLV_COALESCE_UPDATE:
3934 qed_iov_vf_pf_set_coalesce(p_hwfn, p_ptt, p_vf);
3935 break;
bf5a94bf
RV		 3936 case CHANNEL_TLV_COALESCE_READ:
3937 qed_iov_vf_pf_get_coalesce(p_hwfn, p_ptt, p_vf);
3938 break;
809c45a0
SS		 3939 case CHANNEL_TLV_BULLETIN_UPDATE_MAC:
3940 qed_iov_vf_pf_bulletin_update_mac(p_hwfn, p_ptt, p_vf);
3941 break;
1408cc1f 3942 }
7eff82b0
YM		 3943 } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3944 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3945 "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3946 p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3947
3948 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3949 mbx->first_tlv.tl.type,
3950 sizeof(struct pfvf_def_resp_tlv),
3951 PFVF_STATUS_MALICIOUS);
37bff2b9
YM		 3952 } else {
3953 /* unknown TLV - this may belong to a VF driver from the future
3954 * - a version written after this PF driver was written, which
3955 * supports features unknown as of yet. Too bad since we don't
3956 * support them. Or this may be because someone wrote a crappy
3957 * VF driver and is sending garbage over the channel.
3958 */
54fdd80f
YM		 3959 DP_NOTICE(p_hwfn,
3960 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3961 p_vf->abs_vf_id,
3962 mbx->first_tlv.tl.type,
3963 mbx->first_tlv.tl.length,
3964 mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3965
3966 /* Try replying in case reply address matches the acquisition's
3967 * posted address.
3968 */
3969 if (p_vf->acquire.first_tlv.reply_address &&
3970 (mbx->first_tlv.reply_address ==
3971 p_vf->acquire.first_tlv.reply_address)) {
3972 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3973 mbx->first_tlv.tl.type,
3974 sizeof(struct pfvf_def_resp_tlv),
3975 PFVF_STATUS_NOT_SUPPORTED);
3976 } else {
37bff2b9
YM		 3977 DP_VERBOSE(p_hwfn,
3978 QED_MSG_IOV,
54fdd80f
YM		 3979 "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3980 p_vf->abs_vf_id);
37bff2b9
YM		 3981 }
3982 }
3983}
3984
bf774d14 3985static void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
37bff2b9 3986{
fd3c615a 3987 int i;
37bff2b9 3988
fd3c615a 3989 memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
37bff2b9 3990
fd3c615a
MY		 3991 qed_for_each_vf(p_hwfn, i) {
3992 struct qed_vf_info *p_vf;
37bff2b9 3993
fd3c615a
MY		 3994 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3995 if (p_vf->vf_mbx.b_pending_msg)
3996 events[i / 64] |= 1ULL << (i % 64);
3997 }
37bff2b9
YM		 3998}
3999
7eff82b0
YM		 4000static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
4001 u16 abs_vfid)
37bff2b9 4002{
7eff82b0 4003 u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
37bff2b9 4004
7eff82b0 4005 if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
37bff2b9
YM		 4006 DP_VERBOSE(p_hwfn,
4007 QED_MSG_IOV,
7eff82b0 4008 "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
37bff2b9 4009 abs_vfid);
7eff82b0 4010 return NULL;
37bff2b9 4011 }
7eff82b0
YM		 4012
4013 return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
4014}
4015
4016static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
4017 u16 abs_vfid, struct regpair *vf_msg)
4018{
4019 struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
4020 abs_vfid);
4021
4022 if (!p_vf)
4023 return 0;
37bff2b9
YM		 4024
4025 /* List the physical address of the request so that handler
4026 * could later on copy the message from it.
4027 */
4028 p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
4029
4030 /* Mark the event and schedule the workqueue */
fd3c615a 4031 p_vf->vf_mbx.b_pending_msg = true;
37bff2b9
YM		 4032 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
4033
4034 return 0;
4035}
4036
7eff82b0
YM		 4037static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
4038 struct malicious_vf_eqe_data *p_data)
4039{
4040 struct qed_vf_info *p_vf;
4041
4042 p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
4043
4044 if (!p_vf)
4045 return;
4046
e99a21cb
MY		 4047 if (!p_vf->b_malicious) {
4048 DP_NOTICE(p_hwfn,
4049 "VF [%d] - Malicious behavior [%02x]\n",
4050 p_vf->abs_vf_id, p_data->err_id);
7eff82b0 4051
e99a21cb
MY		 4052 p_vf->b_malicious = true;
4053 } else {
4054 DP_INFO(p_hwfn,
4055 "VF [%d] - Malicious behavior [%02x]\n",
4056 p_vf->abs_vf_id, p_data->err_id);
4057 }
7eff82b0
YM		 4058}
4059
6c9e80ea
MK		 4060static int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
4061 u8 opcode,
4062 __le16 echo,
4063 union event_ring_data *data, u8 fw_return_code)
37bff2b9
YM		 4064{
4065 switch (opcode) {
4066 case COMMON_EVENT_VF_PF_CHANNEL:
4067 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
4068 &data->vf_pf_channel.msg_addr);
7eff82b0
YM		 4069 case COMMON_EVENT_MALICIOUS_VF:
4070 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
4071 return 0;
37bff2b9
YM		 4072 default:
4073 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
4074 opcode);
4075 return -EINVAL;
4076 }
4077}
4078
32a47e72
YM		 4079u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4080{
4081 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
4082 u16 i;
4083
4084 if (!p_iov)
4085 goto out;
4086
4087 for (i = rel_vf_id; i < p_iov->total_vfs; i++)
7eff82b0 4088 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
32a47e72
YM		 4089 return i;
4090
4091out:
4092 return MAX_NUM_VFS;
4093}
37bff2b9
YM		 4094
4095static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
4096 int vfid)
4097{
4098 struct qed_dmae_params params;
4099 struct qed_vf_info *vf_info;
4100
4101 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4102 if (!vf_info)
4103 return -EINVAL;
4104
4105 memset(&params, 0, sizeof(struct qed_dmae_params));
4106 params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
4107 params.src_vfid = vf_info->abs_vf_id;
4108
4109 if (qed_dmae_host2host(p_hwfn, ptt,
4110 vf_info->vf_mbx.pending_req,
4111 vf_info->vf_mbx.req_phys,
4112 sizeof(union vfpf_tlvs) / 4, &params)) {
4113 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4114 "Failed to copy message from VF 0x%02x\n", vfid);
4115
4116 return -EIO;
4117 }
4118
4119 return 0;
4120}
4121
eff16960
YM		 4122static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
4123 u8 *mac, int vfid)
4124{
4125 struct qed_vf_info *vf_info;
4126 u64 feature;
4127
4128 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4129 if (!vf_info) {
4130 DP_NOTICE(p_hwfn->cdev,
4131 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4132 return;
4133 }
4134
7eff82b0
YM		 4135 if (vf_info->b_malicious) {
4136 DP_NOTICE(p_hwfn->cdev,
4137 "Can't set forced MAC to malicious VF [%d]\n", vfid);
4138 return;
4139 }
4140
7425d822
SS		 4141 if (vf_info->p_vf_info.is_trusted_configured) {
4142 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4143 /* Trust mode will disable Forced MAC */
4144 vf_info->bulletin.p_virt->valid_bitmap &=
4145 ~BIT(MAC_ADDR_FORCED);
4146 } else {
4147 feature = BIT(MAC_ADDR_FORCED);
4148 /* Forced MAC will disable MAC_ADDR */
4149 vf_info->bulletin.p_virt->valid_bitmap &=
4150 ~BIT(VFPF_BULLETIN_MAC_ADDR);
4151 }
4152
eff16960
YM		 4153 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
4154
4155 vf_info->bulletin.p_virt->valid_bitmap |= feature;
eff16960
YM		 4156
4157 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4158}
4159
7425d822
SS		 4160static int qed_iov_bulletin_set_mac(struct qed_hwfn *p_hwfn, u8 *mac, int vfid)
4161{
4162 struct qed_vf_info *vf_info;
4163 u64 feature;
4164
4165 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4166 if (!vf_info) {
4167 DP_NOTICE(p_hwfn->cdev, "Can not set MAC, invalid vfid [%d]\n",
4168 vfid);
4169 return -EINVAL;
4170 }
4171
4172 if (vf_info->b_malicious) {
4173 DP_NOTICE(p_hwfn->cdev, "Can't set MAC to malicious VF [%d]\n",
4174 vfid);
4175 return -EINVAL;
4176 }
4177
4178 if (vf_info->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)) {
4179 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4180 "Can not set MAC, Forced MAC is configured\n");
4181 return -EINVAL;
4182 }
4183
4184 feature = BIT(VFPF_BULLETIN_MAC_ADDR);
4185 ether_addr_copy(vf_info->bulletin.p_virt->mac, mac);
4186
4187 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4188
4189 if (vf_info->p_vf_info.is_trusted_configured)
4190 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4191
4192 return 0;
4193}
4194
ba56947a
BX		 4195static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
4196 u16 pvid, int vfid)
08feecd7
YM		 4197{
4198 struct qed_vf_info *vf_info;
4199 u64 feature;
4200
4201 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4202 if (!vf_info) {
4203 DP_NOTICE(p_hwfn->cdev,
4204 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
4205 return;
4206 }
4207
7eff82b0
YM		 4208 if (vf_info->b_malicious) {
4209 DP_NOTICE(p_hwfn->cdev,
4210 "Can't set forced vlan to malicious VF [%d]\n", vfid);
4211 return;
4212 }
4213
08feecd7
YM		 4214 feature = 1 << VLAN_ADDR_FORCED;
4215 vf_info->bulletin.p_virt->pvid = pvid;
4216 if (pvid)
4217 vf_info->bulletin.p_virt->valid_bitmap |= feature;
4218 else
4219 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
4220
4221 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
4222}
4223
97379f15
CM		 4224void qed_iov_bulletin_set_udp_ports(struct qed_hwfn *p_hwfn,
4225 int vfid, u16 vxlan_port, u16 geneve_port)
4226{
4227 struct qed_vf_info *vf_info;
4228
4229 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4230 if (!vf_info) {
4231 DP_NOTICE(p_hwfn->cdev,
4232 "Can not set udp ports, invalid vfid [%d]\n", vfid);
4233 return;
4234 }
4235
4236 if (vf_info->b_malicious) {
4237 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
4238 "Can not set udp ports to malicious VF [%d]\n",
4239 vfid);
4240 return;
4241 }
4242
4243 vf_info->bulletin.p_virt->vxlan_udp_port = vxlan_port;
4244 vf_info->bulletin.p_virt->geneve_udp_port = geneve_port;
4245}
4246
6ddc7608
YM		 4247static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
4248{
4249 struct qed_vf_info *p_vf_info;
4250
4251 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4252 if (!p_vf_info)
4253 return false;
4254
4255 return !!p_vf_info->vport_instance;
4256}
4257
ba56947a 4258static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
0b55e27d
YM		 4259{
4260 struct qed_vf_info *p_vf_info;
4261
4262 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4263 if (!p_vf_info)
4264 return true;
4265
4266 return p_vf_info->state == VF_STOPPED;
4267}
4268
73390ac9
YM		 4269static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
4270{
4271 struct qed_vf_info *vf_info;
4272
4273 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4274 if (!vf_info)
4275 return false;
4276
4277 return vf_info->spoof_chk;
4278}
4279
ba56947a 4280static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
6ddc7608
YM		 4281{
4282 struct qed_vf_info *vf;
4283 int rc = -EINVAL;
4284
4285 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4286 DP_NOTICE(p_hwfn,
4287 "SR-IOV sanity check failed, can't set spoofchk\n");
4288 goto out;
4289 }
4290
4291 vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4292 if (!vf)
4293 goto out;
4294
4295 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
4296 /* After VF VPORT start PF will configure spoof check */
4297 vf->req_spoofchk_val = val;
4298 rc = 0;
4299 goto out;
4300 }
4301
4302 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
4303
4304out:
4305 return rc;
4306}
4307
7425d822
SS		 4308static u8 *qed_iov_bulletin_get_mac(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
4309{
4310 struct qed_vf_info *p_vf;
4311
4312 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4313 if (!p_vf || !p_vf->bulletin.p_virt)
4314 return NULL;
4315
4316 if (!(p_vf->bulletin.p_virt->valid_bitmap &
4317 BIT(VFPF_BULLETIN_MAC_ADDR)))
4318 return NULL;
4319
4320 return p_vf->bulletin.p_virt->mac;
4321}
4322
eff16960
YM		 4323static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
4324 u16 rel_vf_id)
4325{
4326 struct qed_vf_info *p_vf;
4327
4328 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4329 if (!p_vf || !p_vf->bulletin.p_virt)
4330 return NULL;
4331
1a635e48 4332 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
eff16960
YM		 4333 return NULL;
4334
4335 return p_vf->bulletin.p_virt->mac;
4336}
4337
ba56947a
BX		 4338static u16
4339qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
08feecd7
YM		 4340{
4341 struct qed_vf_info *p_vf;
4342
4343 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
4344 if (!p_vf || !p_vf->bulletin.p_virt)
4345 return 0;
4346
1a635e48 4347 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
08feecd7
YM		 4348 return 0;
4349
4350 return p_vf->bulletin.p_virt->pvid;
4351}
4352
733def6a
YM		 4353static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
4354 struct qed_ptt *p_ptt, int vfid, int val)
4355{
da090917 4356 struct qed_mcp_link_state *p_link;
733def6a
YM		 4357 struct qed_vf_info *vf;
4358 u8 abs_vp_id = 0;
4359 int rc;
4360
4361 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
4362 if (!vf)
4363 return -EINVAL;
4364
4365 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
4366 if (rc)
4367 return rc;
4368
da090917
TT		 4369 p_link = &QED_LEADING_HWFN(p_hwfn->cdev)->mcp_info->link_output;
4370
4371 return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val,
4372 p_link->speed);
733def6a
YM		 4373}
4374
ba56947a
BX		 4375static int
4376qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
733def6a
YM		 4377{
4378 struct qed_vf_info *vf;
4379 u8 vport_id;
4380 int i;
4381
4382 for_each_hwfn(cdev, i) {
4383 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4384
4385 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4386 DP_NOTICE(p_hwfn,
4387 "SR-IOV sanity check failed, can't set min rate\n");
4388 return -EINVAL;
4389 }
4390 }
4391
4392 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
4393 vport_id = vf->vport_id;
4394
4395 return qed_configure_vport_wfq(cdev, vport_id, rate);
4396}
4397
73390ac9
YM		 4398static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
4399{
4400 struct qed_wfq_data *vf_vp_wfq;
4401 struct qed_vf_info *vf_info;
4402
4403 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
4404 if (!vf_info)
4405 return 0;
4406
4407 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
4408
4409 if (vf_vp_wfq->configured)
4410 return vf_vp_wfq->min_speed;
4411 else
4412 return 0;
4413}
4414
37bff2b9
YM		 4415/**
4416 * qed_schedule_iov - schedules IOV task for VF and PF
4417 * @hwfn: hardware function pointer
4418 * @flag: IOV flag for VF/PF
4419 */
4420void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
4421{
4422 smp_mb__before_atomic();
4423 set_bit(flag, &hwfn->iov_task_flags);
4424 smp_mb__after_atomic();
4425 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
4426 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
4427}
4428
1408cc1f
YM		 4429void qed_vf_start_iov_wq(struct qed_dev *cdev)
4430{
4431 int i;
4432
4433 for_each_hwfn(cdev, i)
4434 queue_delayed_work(cdev->hwfns[i].iov_wq,
4435 &cdev->hwfns[i].iov_task, 0);
4436}
4437
0b55e27d
YM		 4438int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
4439{
4440 int i, j;
4441
4442 for_each_hwfn(cdev, i)
4443 if (cdev->hwfns[i].iov_wq)
4444 flush_workqueue(cdev->hwfns[i].iov_wq);
4445
4446 /* Mark VFs for disablement */
4447 qed_iov_set_vfs_to_disable(cdev, true);
4448
4449 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
4450 pci_disable_sriov(cdev->pdev);
4451
4452 for_each_hwfn(cdev, i) {
4453 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4454 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4455
4456 /* Failure to acquire the ptt in 100g creates an odd error
4457 * where the first engine has already relased IOV.
4458 */
4459 if (!ptt) {
4460 DP_ERR(hwfn, "Failed to acquire ptt\n");
4461 return -EBUSY;
4462 }
4463
733def6a
YM		 4464 /* Clean WFQ db and configure equal weight for all vports */
4465 qed_clean_wfq_db(hwfn, ptt);
4466
0b55e27d
YM		 4467 qed_for_each_vf(hwfn, j) {
4468 int k;
4469
7eff82b0 4470 if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
0b55e27d
YM		 4471 continue;
4472
4473 /* Wait until VF is disabled before releasing */
4474 for (k = 0; k < 100; k++) {
4475 if (!qed_iov_is_vf_stopped(hwfn, j))
4476 msleep(20);
4477 else
4478 break;
4479 }
4480
4481 if (k < 100)
4482 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
4483 ptt, j);
4484 else
4485 DP_ERR(hwfn,
4486 "Timeout waiting for VF's FLR to end\n");
4487 }
4488
4489 qed_ptt_release(hwfn, ptt);
4490 }
4491
4492 qed_iov_set_vfs_to_disable(cdev, false);
4493
4494 return 0;
4495}
4496
3da7a37a
MY		 4497static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
4498 u16 vfid,
4499 struct qed_iov_vf_init_params *params)
4500{
4501 u16 base, i;
4502
4503 /* Since we have an equal resource distribution per-VF, and we assume
4504 * PF has acquired the QED_PF_L2_QUE first queues, we start setting
4505 * sequentially from there.
4506 */
4507 base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
4508
4509 params->rel_vf_id = vfid;
4510 for (i = 0; i < params->num_queues; i++) {
4511 params->req_rx_queue[i] = base + i;
4512 params->req_tx_queue[i] = base + i;
4513 }
4514}
4515
0b55e27d
YM		 4516static int qed_sriov_enable(struct qed_dev *cdev, int num)
4517{
3da7a37a 4518 struct qed_iov_vf_init_params params;
538f8d00
SRK		 4519 struct qed_hwfn *hwfn;
4520 struct qed_ptt *ptt;
0b55e27d
YM		 4521 int i, j, rc;
4522
4523 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
4524 DP_NOTICE(cdev, "Can start at most %d VFs\n",
4525 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
4526 return -EINVAL;
4527 }
4528
3da7a37a
MY		 4529 memset(&params, 0, sizeof(params));
4530
0b55e27d
YM		 4531 /* Initialize HW for VF access */
4532 for_each_hwfn(cdev, j) {
538f8d00
SRK		 4533 hwfn = &cdev->hwfns[j];
4534 ptt = qed_ptt_acquire(hwfn);
5a1f965a
MY		 4535
4536 /* Make sure not to use more than 16 queues per VF */
3da7a37a
MY		 4537 params.num_queues = min_t(int,
4538 FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
4539 16);
0b55e27d
YM		 4540
4541 if (!ptt) {
4542 DP_ERR(hwfn, "Failed to acquire ptt\n");
4543 rc = -EBUSY;
4544 goto err;
4545 }
4546
0b55e27d 4547 for (i = 0; i < num; i++) {
7eff82b0 4548 if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
0b55e27d
YM		 4549 continue;
4550
3da7a37a
MY		 4551 qed_sriov_enable_qid_config(hwfn, i, &params);
4552 rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
0b55e27d
YM		 4553 if (rc) {
4554 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
4555 qed_ptt_release(hwfn, ptt);
4556 goto err;
4557 }
4558 }
4559
4560 qed_ptt_release(hwfn, ptt);
4561 }
4562
4563 /* Enable SRIOV PCIe functions */
4564 rc = pci_enable_sriov(cdev->pdev, num);
4565 if (rc) {
4566 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
4567 goto err;
4568 }
4569
538f8d00
SRK		 4570 hwfn = QED_LEADING_HWFN(cdev);
4571 ptt = qed_ptt_acquire(hwfn);
4572 if (!ptt) {
4573 DP_ERR(hwfn, "Failed to acquire ptt\n");
4574 rc = -EBUSY;
4575 goto err;
4576 }
4577
4578 rc = qed_mcp_ov_update_eswitch(hwfn, ptt, QED_OV_ESWITCH_VEB);
4579 if (rc)
4580 DP_INFO(cdev, "Failed to update eswitch mode\n");
4581 qed_ptt_release(hwfn, ptt);
4582
0b55e27d
YM		 4583 return num;
4584
4585err:
4586 qed_sriov_disable(cdev, false);
4587 return rc;
4588}
4589
4590static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
4591{
4592 if (!IS_QED_SRIOV(cdev)) {
4593 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
4594 return -EOPNOTSUPP;
4595 }
4596
4597 if (num_vfs_param)
4598 return qed_sriov_enable(cdev, num_vfs_param);
4599 else
4600 return qed_sriov_disable(cdev, true);
4601}
4602
eff16960
YM		 4603static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
4604{
4605 int i;
4606
4607 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4608 DP_VERBOSE(cdev, QED_MSG_IOV,
4609 "Cannot set a VF MAC; Sriov is not enabled\n");
4610 return -EINVAL;
4611 }
4612
7eff82b0 4613 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
eff16960
YM		 4614 DP_VERBOSE(cdev, QED_MSG_IOV,
4615 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4616 return -EINVAL;
4617 }
4618
4619 for_each_hwfn(cdev, i) {
4620 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4621 struct qed_public_vf_info *vf_info;
4622
4623 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4624 if (!vf_info)
4625 continue;
4626
7425d822
SS		 4627 /* Set the MAC, and schedule the IOV task */
4628 if (vf_info->is_trusted_configured)
4629 ether_addr_copy(vf_info->mac, mac);
4630 else
4631 ether_addr_copy(vf_info->forced_mac, mac);
4632
eff16960
YM		 4633 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4634 }
4635
4636 return 0;
4637}
4638
08feecd7
YM		 4639static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
4640{
4641 int i;
4642
4643 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
4644 DP_VERBOSE(cdev, QED_MSG_IOV,
4645 "Cannot set a VF MAC; Sriov is not enabled\n");
4646 return -EINVAL;
4647 }
4648
7eff82b0 4649 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
08feecd7
YM		 4650 DP_VERBOSE(cdev, QED_MSG_IOV,
4651 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
4652 return -EINVAL;
4653 }
4654
4655 for_each_hwfn(cdev, i) {
4656 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4657 struct qed_public_vf_info *vf_info;
4658
4659 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
4660 if (!vf_info)
4661 continue;
4662
4663 /* Set the forced vlan, and schedule the IOV task */
4664 vf_info->forced_vlan = vid;
4665 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
4666 }
4667
4668 return 0;
4669}
4670
73390ac9
YM		 4671static int qed_get_vf_config(struct qed_dev *cdev,
4672 int vf_id, struct ifla_vf_info *ivi)
4673{
4674 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
4675 struct qed_public_vf_info *vf_info;
4676 struct qed_mcp_link_state link;
4677 u32 tx_rate;
4678
4679 /* Sanitize request */
4680 if (IS_VF(cdev))
4681 return -EINVAL;
4682
7eff82b0 4683 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
73390ac9
YM		 4684 DP_VERBOSE(cdev, QED_MSG_IOV,
4685 "VF index [%d] isn't active\n", vf_id);
4686 return -EINVAL;
4687 }
4688
4689 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4690
4691 qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
4692
4693 /* Fill information about VF */
4694 ivi->vf = vf_id;
4695
4696 if (is_valid_ether_addr(vf_info->forced_mac))
4697 ether_addr_copy(ivi->mac, vf_info->forced_mac);
4698 else
4699 ether_addr_copy(ivi->mac, vf_info->mac);
4700
4701 ivi->vlan = vf_info->forced_vlan;
4702 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
4703 ivi->linkstate = vf_info->link_state;
4704 tx_rate = vf_info->tx_rate;
4705 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
4706 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
4707
4708 return 0;
4709}
4710
36558c3d
YM		 4711void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
4712{
e50728ef 4713 struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
36558c3d
YM		 4714 struct qed_mcp_link_capabilities caps;
4715 struct qed_mcp_link_params params;
4716 struct qed_mcp_link_state link;
4717 int i;
4718
4719 if (!hwfn->pf_iov_info)
4720 return;
4721
4722 /* Update bulletin of all future possible VFs with link configuration */
4723 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
733def6a
YM		 4724 struct qed_public_vf_info *vf_info;
4725
4726 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
4727 if (!vf_info)
4728 continue;
4729
e50728ef
MY		 4730 /* Only hwfn0 is actually interested in the link speed.
4731 * But since only it would receive an MFW indication of link,
4732 * need to take configuration from it - otherwise things like
4733 * rate limiting for hwfn1 VF would not work.
4734 */
4735 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
4736 sizeof(params));
4737 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
4738 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
36558c3d
YM		 4739 sizeof(caps));
4740
733def6a
YM		 4741 /* Modify link according to the VF's configured link state */
4742 switch (vf_info->link_state) {
4743 case IFLA_VF_LINK_STATE_DISABLE:
4744 link.link_up = false;
4745 break;
4746 case IFLA_VF_LINK_STATE_ENABLE:
4747 link.link_up = true;
4748 /* Set speed according to maximum supported by HW.
4749 * that is 40G for regular devices and 100G for CMT
4750 * mode devices.
4751 */
4752 link.speed = (hwfn->cdev->num_hwfns > 1) ?
4753 100000 : 40000;
4754 default:
4755 /* In auto mode pass PF link image to VF */
4756 break;
4757 }
4758
4759 if (link.link_up && vf_info->tx_rate) {
4760 struct qed_ptt *ptt;
4761 int rate;
4762
4763 rate = min_t(int, vf_info->tx_rate, link.speed);
4764
4765 ptt = qed_ptt_acquire(hwfn);
4766 if (!ptt) {
4767 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
4768 return;
4769 }
4770
4771 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4772 vf_info->tx_rate = rate;
4773 link.speed = rate;
4774 }
4775
4776 qed_ptt_release(hwfn, ptt);
4777 }
4778
36558c3d
YM		 4779 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4780 }
4781
4782 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4783}
4784
733def6a
YM		 4785static int qed_set_vf_link_state(struct qed_dev *cdev,
4786 int vf_id, int link_state)
4787{
4788 int i;
4789
4790 /* Sanitize request */
4791 if (IS_VF(cdev))
4792 return -EINVAL;
4793
7eff82b0 4794 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
733def6a
YM		 4795 DP_VERBOSE(cdev, QED_MSG_IOV,
4796 "VF index [%d] isn't active\n", vf_id);
4797 return -EINVAL;
4798 }
4799
4800 /* Handle configuration of link state */
4801 for_each_hwfn(cdev, i) {
4802 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4803 struct qed_public_vf_info *vf;
4804
4805 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4806 if (!vf)
4807 continue;
4808
4809 if (vf->link_state == link_state)
4810 continue;
4811
4812 vf->link_state = link_state;
4813 qed_inform_vf_link_state(&cdev->hwfns[i]);
4814 }
4815
4816 return 0;
4817}
4818
6ddc7608
YM		 4819static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4820{
4821 int i, rc = -EINVAL;
4822
4823 for_each_hwfn(cdev, i) {
4824 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4825
4826 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4827 if (rc)
4828 break;
4829 }
4830
4831 return rc;
4832}
4833
733def6a
YM		 4834static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4835{
4836 int i;
4837
4838 for_each_hwfn(cdev, i) {
4839 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4840 struct qed_public_vf_info *vf;
4841
4842 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4843 DP_NOTICE(p_hwfn,
4844 "SR-IOV sanity check failed, can't set tx rate\n");
4845 return -EINVAL;
4846 }
4847
4848 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4849
4850 vf->tx_rate = rate;
4851
4852 qed_inform_vf_link_state(p_hwfn);
4853 }
4854
4855 return 0;
4856}
4857
4858static int qed_set_vf_rate(struct qed_dev *cdev,
4859 int vfid, u32 min_rate, u32 max_rate)
4860{
4861 int rc_min = 0, rc_max = 0;
4862
4863 if (max_rate)
4864 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4865
4866 if (min_rate)
4867 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4868
4869 if (rc_max | rc_min)
4870 return -EINVAL;
4871
4872 return 0;
4873}
4874
f990c82c
MY		 4875static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4876{
4877 int i;
4878
4879 for_each_hwfn(cdev, i) {
4880 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4881 struct qed_public_vf_info *vf;
4882
4883 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4884 DP_NOTICE(hwfn,
4885 "SR-IOV sanity check failed, can't set trust\n");
4886 return -EINVAL;
4887 }
4888
4889 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4890
4891 if (vf->is_trusted_request == trust)
4892 return 0;
4893 vf->is_trusted_request = trust;
4894
4895 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4896 }
4897
4898 return 0;
4899}
4900
37bff2b9
YM		 4901static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4902{
4903 u64 events[QED_VF_ARRAY_LENGTH];
4904 struct qed_ptt *ptt;
4905 int i;
4906
4907 ptt = qed_ptt_acquire(hwfn);
4908 if (!ptt) {
4909 DP_VERBOSE(hwfn, QED_MSG_IOV,
4910 "Can't acquire PTT; re-scheduling\n");
4911 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4912 return;
4913 }
4914
fd3c615a 4915 qed_iov_pf_get_pending_events(hwfn, events);
37bff2b9
YM		 4916
4917 DP_VERBOSE(hwfn, QED_MSG_IOV,
4918 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4919 events[0], events[1], events[2]);
4920
4921 qed_for_each_vf(hwfn, i) {
4922 /* Skip VFs with no pending messages */
4923 if (!(events[i / 64] & (1ULL << (i % 64))))
4924 continue;
4925
4926 DP_VERBOSE(hwfn, QED_MSG_IOV,
4927 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4928 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4929
4930 /* Copy VF's message to PF's request buffer for that VF */
4931 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4932 continue;
4933
4934 qed_iov_process_mbx_req(hwfn, ptt, i);
4935 }
4936
4937 qed_ptt_release(hwfn, ptt);
4938}
4939
7425d822
SS		 4940static bool qed_pf_validate_req_vf_mac(struct qed_hwfn *hwfn,
4941 u8 *mac,
4942 struct qed_public_vf_info *info)
4943{
4944 if (info->is_trusted_configured) {
4945 if (is_valid_ether_addr(info->mac) &&
4946 (!mac || !ether_addr_equal(mac, info->mac)))
4947 return true;
4948 } else {
4949 if (is_valid_ether_addr(info->forced_mac) &&
4950 (!mac || !ether_addr_equal(mac, info->forced_mac)))
4951 return true;
4952 }
4953
4954 return false;
4955}
4956
4957static void qed_set_bulletin_mac(struct qed_hwfn *hwfn,
4958 struct qed_public_vf_info *info,
4959 int vfid)
4960{
4961 if (info->is_trusted_configured)
4962 qed_iov_bulletin_set_mac(hwfn, info->mac, vfid);
4963 else
4964 qed_iov_bulletin_set_forced_mac(hwfn, info->forced_mac, vfid);
4965}
4966
08feecd7
YM		 4967static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4968{
4969 int i;
4970
4971 qed_for_each_vf(hwfn, i) {
4972 struct qed_public_vf_info *info;
4973 bool update = false;
eff16960 4974 u8 *mac;
08feecd7
YM		 4975
4976 info = qed_iov_get_public_vf_info(hwfn, i, true);
4977 if (!info)
4978 continue;
4979
4980 /* Update data on bulletin board */
7425d822
SS		 4981 if (info->is_trusted_configured)
4982 mac = qed_iov_bulletin_get_mac(hwfn, i);
4983 else
4984 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4985
4986 if (qed_pf_validate_req_vf_mac(hwfn, mac, info)) {
eff16960
YM		 4987 DP_VERBOSE(hwfn,
4988 QED_MSG_IOV,
4989 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4990 i,
4991 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4992
7425d822
SS		 4993 /* Update bulletin board with MAC */
4994 qed_set_bulletin_mac(hwfn, info, i);
eff16960
YM		 4995 update = true;
4996 }
08feecd7
YM		 4997
4998 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4999 info->forced_vlan) {
5000 DP_VERBOSE(hwfn,
5001 QED_MSG_IOV,
5002 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
5003 info->forced_vlan,
5004 i,
5005 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
5006 qed_iov_bulletin_set_forced_vlan(hwfn,
5007 info->forced_vlan, i);
5008 update = true;
5009 }
5010
5011 if (update)
5012 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5013 }
5014}
5015
36558c3d
YM		 5016static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
5017{
5018 struct qed_ptt *ptt;
5019 int i;
5020
5021 ptt = qed_ptt_acquire(hwfn);
5022 if (!ptt) {
5023 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
5024 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5025 return;
5026 }
5027
5028 qed_for_each_vf(hwfn, i)
5029 qed_iov_post_vf_bulletin(hwfn, i, ptt);
5030
5031 qed_ptt_release(hwfn, ptt);
5032}
5033
7425d822
SS		 5034static void qed_update_mac_for_vf_trust_change(struct qed_hwfn *hwfn, int vf_id)
5035{
5036 struct qed_public_vf_info *vf_info;
5037 struct qed_vf_info *vf;
5038 u8 *force_mac;
5039 int i;
5040
5041 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
5042 vf = qed_iov_get_vf_info(hwfn, vf_id, true);
5043
5044 if (!vf_info || !vf)
5045 return;
5046
5047 /* Force MAC converted to generic MAC in case of VF trust on */
5048 if (vf_info->is_trusted_configured &&
5049 (vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))) {
5050 force_mac = qed_iov_bulletin_get_forced_mac(hwfn, vf_id);
5051
5052 if (force_mac) {
5053 /* Clear existing shadow copy of MAC to have a clean
5054 * slate.
5055 */
5056 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5057 if (ether_addr_equal(vf->shadow_config.macs[i],
5058 vf_info->mac)) {
5059 memset(vf->shadow_config.macs[i], 0,
5060 ETH_ALEN);
5061 DP_VERBOSE(hwfn, QED_MSG_IOV,
5062 "Shadow MAC %pM removed for VF 0x%02x, VF trust mode is ON\n",
5063 vf_info->mac, vf_id);
5064 break;
5065 }
5066 }
5067
5068 ether_addr_copy(vf_info->mac, force_mac);
5069 memset(vf_info->forced_mac, 0, ETH_ALEN);
5070 vf->bulletin.p_virt->valid_bitmap &=
5071 ~BIT(MAC_ADDR_FORCED);
5072 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5073 }
5074 }
5075
5076 /* Update shadow copy with VF MAC when trust mode is turned off */
5077 if (!vf_info->is_trusted_configured) {
5078 u8 empty_mac[ETH_ALEN];
5079
5080 memset(empty_mac, 0, ETH_ALEN);
5081 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
5082 if (ether_addr_equal(vf->shadow_config.macs[i],
5083 empty_mac)) {
5084 ether_addr_copy(vf->shadow_config.macs[i],
5085 vf_info->mac);
5086 DP_VERBOSE(hwfn, QED_MSG_IOV,
5087 "Shadow is updated with %pM for VF 0x%02x, VF trust mode is OFF\n",
5088 vf_info->mac, vf_id);
5089 break;
5090 }
5091 }
5092 /* Clear bulletin when trust mode is turned off,
5093 * to have a clean slate for next (normal) operations.
5094 */
5095 qed_iov_bulletin_set_mac(hwfn, empty_mac, vf_id);
5096 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
5097 }
5098}
5099
f990c82c
MY		 5100static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
5101{
5102 struct qed_sp_vport_update_params params;
5103 struct qed_filter_accept_flags *flags;
5104 struct qed_public_vf_info *vf_info;
5105 struct qed_vf_info *vf;
5106 u8 mask;
5107 int i;
5108
5109 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
5110 flags = &params.accept_flags;
5111
5112 qed_for_each_vf(hwfn, i) {
5113 /* Need to make sure current requested configuration didn't
5114 * flip so that we'll end up configuring something that's not
5115 * needed.
5116 */
5117 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
5118 if (vf_info->is_trusted_configured ==
5119 vf_info->is_trusted_request)
5120 continue;
5121 vf_info->is_trusted_configured = vf_info->is_trusted_request;
5122
7425d822
SS		 5123 /* Handle forced MAC mode */
5124 qed_update_mac_for_vf_trust_change(hwfn, i);
5125
f990c82c
MY		 5126 /* Validate that the VF has a configured vport */
5127 vf = qed_iov_get_vf_info(hwfn, i, true);
5128 if (!vf->vport_instance)
5129 continue;
5130
5131 memset(&params, 0, sizeof(params));
5132 params.opaque_fid = vf->opaque_fid;
5133 params.vport_id = vf->vport_id;
5134
ff929696
MC		 5135 params.update_ctl_frame_check = 1;
5136 params.mac_chk_en = !vf_info->is_trusted_configured;
5137
f990c82c
MY		 5138 if (vf_info->rx_accept_mode & mask) {
5139 flags->update_rx_mode_config = 1;
5140 flags->rx_accept_filter = vf_info->rx_accept_mode;
5141 }
5142
5143 if (vf_info->tx_accept_mode & mask) {
5144 flags->update_tx_mode_config = 1;
5145 flags->tx_accept_filter = vf_info->tx_accept_mode;
5146 }
5147
5148 /* Remove if needed; Otherwise this would set the mask */
5149 if (!vf_info->is_trusted_configured) {
5150 flags->rx_accept_filter &= ~mask;
5151 flags->tx_accept_filter &= ~mask;
5152 }
5153
5154 if (flags->update_rx_mode_config ||
ff929696
MC		 5155 flags->update_tx_mode_config ||
5156 params.update_ctl_frame_check)
f990c82c
MY		 5157 qed_sp_vport_update(hwfn, &params,
5158 QED_SPQ_MODE_EBLOCK, NULL);
5159 }
5160}
5161
ba56947a
BX		 5162static void qed_iov_pf_task(struct work_struct *work)
5163
37bff2b9
YM		 5164{
5165 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
5166 iov_task.work);
0b55e27d 5167 int rc;
37bff2b9
YM		 5168
5169 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
5170 return;
5171
0b55e27d
YM		 5172 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
5173 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5174
5175 if (!ptt) {
5176 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5177 return;
5178 }
5179
5180 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
5181 if (rc)
5182 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
5183
5184 qed_ptt_release(hwfn, ptt);
5185 }
5186
37bff2b9
YM		 5187 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
5188 qed_handle_vf_msg(hwfn);
08feecd7
YM		 5189
5190 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
5191 &hwfn->iov_task_flags))
5192 qed_handle_pf_set_vf_unicast(hwfn);
5193
36558c3d
YM		 5194 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
5195 &hwfn->iov_task_flags))
5196 qed_handle_bulletin_post(hwfn);
f990c82c
MY		 5197
5198 if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
5199 qed_iov_handle_trust_change(hwfn);
37bff2b9
YM		 5200}
5201
5202void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
5203{
5204 int i;
5205
5206 for_each_hwfn(cdev, i) {
5207 if (!cdev->hwfns[i].iov_wq)
5208 continue;
5209
5210 if (schedule_first) {
5211 qed_schedule_iov(&cdev->hwfns[i],
5212 QED_IOV_WQ_STOP_WQ_FLAG);
5213 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
5214 }
5215
5216 flush_workqueue(cdev->hwfns[i].iov_wq);
5217 destroy_workqueue(cdev->hwfns[i].iov_wq);
5218 }
5219}
5220
5221int qed_iov_wq_start(struct qed_dev *cdev)
5222{
5223 char name[NAME_SIZE];
5224 int i;
5225
5226 for_each_hwfn(cdev, i) {
5227 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
5228
36558c3d
YM		 5229 /* PFs needs a dedicated workqueue only if they support IOV.
5230 * VFs always require one.
5231 */
5232 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
37bff2b9
YM		 5233 continue;
5234
5235 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
5236 cdev->pdev->bus->number,
5237 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
5238
5239 p_hwfn->iov_wq = create_singlethread_workqueue(name);
5240 if (!p_hwfn->iov_wq) {
5241 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
5242 return -ENOMEM;
5243 }
5244
36558c3d
YM		 5245 if (IS_PF(cdev))
5246 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
5247 else
5248 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
37bff2b9
YM		 5249 }
5250
5251 return 0;
5252}
0b55e27d
YM		 5253
5254const struct qed_iov_hv_ops qed_iov_ops_pass = {
5255 .configure = &qed_sriov_configure,
eff16960 5256 .set_mac = &qed_sriov_pf_set_mac,
08feecd7 5257 .set_vlan = &qed_sriov_pf_set_vlan,
73390ac9 5258 .get_config = &qed_get_vf_config,
733def6a 5259 .set_link_state = &qed_set_vf_link_state,
6ddc7608 5260 .set_spoof = &qed_spoof_configure,
733def6a 5261 .set_rate = &qed_set_vf_rate,
f990c82c 5262 .set_trust = &qed_set_vf_trust,
0b55e27d 5263};
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