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qed: Revise QM cofiguration
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.c
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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"
47
1408cc1f 48/* IOV ramrods */
1fe614d1 49static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
1408cc1f
YM		 50{
51 struct vf_start_ramrod_data *p_ramrod = NULL;
52 struct qed_spq_entry *p_ent = NULL;
53 struct qed_sp_init_data init_data;
54 int rc = -EINVAL;
1fe614d1 55 u8 fp_minor;
1408cc1f
YM		 56
57 /* Get SPQ entry */
58 memset(&init_data, 0, sizeof(init_data));
59 init_data.cid = qed_spq_get_cid(p_hwfn);
1fe614d1 60 init_data.opaque_fid = p_vf->opaque_fid;
1408cc1f
YM		 61 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
62
63 rc = qed_sp_init_request(p_hwfn, &p_ent,
64 COMMON_RAMROD_VF_START,
65 PROTOCOLID_COMMON, &init_data);
66 if (rc)
67 return rc;
68
69 p_ramrod = &p_ent->ramrod.vf_start;
70
1fe614d1
YM		 71 p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
72 p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
73
74 switch (p_hwfn->hw_info.personality) {
75 case QED_PCI_ETH:
76 p_ramrod->personality = PERSONALITY_ETH;
77 break;
78 case QED_PCI_ETH_ROCE:
79 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
80 break;
81 default:
82 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
83 p_hwfn->hw_info.personality);
84 return -EINVAL;
85 }
86
87 fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
a044df83
YM		 88 if (fp_minor > ETH_HSI_VER_MINOR &&
89 fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1fe614d1
YM		 90 DP_VERBOSE(p_hwfn,
91 QED_MSG_IOV,
92 "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
93 p_vf->abs_vf_id,
94 ETH_HSI_VER_MAJOR,
95 fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
96 fp_minor = ETH_HSI_VER_MINOR;
97 }
1408cc1f 98
351a4ded 99 p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
1fe614d1
YM		 100 p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
101
102 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
103 "VF[%d] - Starting using HSI %02x.%02x\n",
104 p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
1408cc1f
YM		 105
106 return qed_spq_post(p_hwfn, p_ent, NULL);
107}
108
0b55e27d
YM		 109static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
110 u32 concrete_vfid, u16 opaque_vfid)
111{
112 struct vf_stop_ramrod_data *p_ramrod = NULL;
113 struct qed_spq_entry *p_ent = NULL;
114 struct qed_sp_init_data init_data;
115 int rc = -EINVAL;
116
117 /* Get SPQ entry */
118 memset(&init_data, 0, sizeof(init_data));
119 init_data.cid = qed_spq_get_cid(p_hwfn);
120 init_data.opaque_fid = opaque_vfid;
121 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
122
123 rc = qed_sp_init_request(p_hwfn, &p_ent,
124 COMMON_RAMROD_VF_STOP,
125 PROTOCOLID_COMMON, &init_data);
126 if (rc)
127 return rc;
128
129 p_ramrod = &p_ent->ramrod.vf_stop;
130
131 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
132
133 return qed_spq_post(p_hwfn, p_ent, NULL);
134}
135
ba56947a 136static bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
7eff82b0
YM		 137 int rel_vf_id,
138 bool b_enabled_only, bool b_non_malicious)
32a47e72
YM		 139{
140 if (!p_hwfn->pf_iov_info) {
141 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
142 return false;
143 }
144
145 if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
146 (rel_vf_id < 0))
147 return false;
148
149 if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
150 b_enabled_only)
151 return false;
152
7eff82b0
YM		 153 if ((p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_malicious) &&
154 b_non_malicious)
155 return false;
156
32a47e72
YM		 157 return true;
158}
159
37bff2b9
YM		 160static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
161 u16 relative_vf_id,
162 bool b_enabled_only)
163{
164 struct qed_vf_info *vf = NULL;
165
166 if (!p_hwfn->pf_iov_info) {
167 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
168 return NULL;
169 }
170
7eff82b0
YM		 171 if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id,
172 b_enabled_only, false))
37bff2b9
YM		 173 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
174 else
175 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
176 relative_vf_id);
177
178 return vf;
179}
180
f109c240
MY		 181enum qed_iov_validate_q_mode {
182 QED_IOV_VALIDATE_Q_NA,
183 QED_IOV_VALIDATE_Q_ENABLE,
184 QED_IOV_VALIDATE_Q_DISABLE,
185};
186
187static bool qed_iov_validate_queue_mode(struct qed_hwfn *p_hwfn,
188 struct qed_vf_info *p_vf,
189 u16 qid,
190 enum qed_iov_validate_q_mode mode,
191 bool b_is_tx)
192{
193 if (mode == QED_IOV_VALIDATE_Q_NA)
194 return true;
195
196 if ((b_is_tx && p_vf->vf_queues[qid].p_tx_cid) ||
197 (!b_is_tx && p_vf->vf_queues[qid].p_rx_cid))
198 return mode == QED_IOV_VALIDATE_Q_ENABLE;
199
200 /* In case we haven't found any valid cid, then its disabled */
201 return mode == QED_IOV_VALIDATE_Q_DISABLE;
202}
203
41086467 204static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
f109c240
MY		 205 struct qed_vf_info *p_vf,
206 u16 rx_qid,
207 enum qed_iov_validate_q_mode mode)
41086467 208{
f109c240 209 if (rx_qid >= p_vf->num_rxqs) {
41086467
YM		 210 DP_VERBOSE(p_hwfn,
211 QED_MSG_IOV,
212 "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
213 p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
f109c240
MY		 214 return false;
215 }
216
217 return qed_iov_validate_queue_mode(p_hwfn, p_vf, rx_qid, mode, false);
41086467
YM		 218}
219
220static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
f109c240
MY		 221 struct qed_vf_info *p_vf,
222 u16 tx_qid,
223 enum qed_iov_validate_q_mode mode)
41086467 224{
f109c240 225 if (tx_qid >= p_vf->num_txqs) {
41086467
YM		 226 DP_VERBOSE(p_hwfn,
227 QED_MSG_IOV,
228 "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
229 p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
f109c240
MY		 230 return false;
231 }
232
233 return qed_iov_validate_queue_mode(p_hwfn, p_vf, tx_qid, mode, true);
41086467
YM		 234}
235
236static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
237 struct qed_vf_info *p_vf, u16 sb_idx)
238{
239 int i;
240
241 for (i = 0; i < p_vf->num_sbs; i++)
242 if (p_vf->igu_sbs[i] == sb_idx)
243 return true;
244
245 DP_VERBOSE(p_hwfn,
246 QED_MSG_IOV,
247 "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
248 p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
249
250 return false;
251}
252
f109c240
MY		 253static bool qed_iov_validate_active_rxq(struct qed_hwfn *p_hwfn,
254 struct qed_vf_info *p_vf)
255{
256 u8 i;
257
258 for (i = 0; i < p_vf->num_rxqs; i++)
259 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
260 QED_IOV_VALIDATE_Q_ENABLE,
261 false))
262 return true;
263
264 return false;
265}
266
267static bool qed_iov_validate_active_txq(struct qed_hwfn *p_hwfn,
268 struct qed_vf_info *p_vf)
269{
270 u8 i;
271
272 for (i = 0; i < p_vf->num_txqs; i++)
273 if (qed_iov_validate_queue_mode(p_hwfn, p_vf, i,
274 QED_IOV_VALIDATE_Q_ENABLE,
275 true))
276 return true;
277
278 return false;
279}
280
ba56947a
BX		 281static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
282 int vfid, struct qed_ptt *p_ptt)
36558c3d
YM		 283{
284 struct qed_bulletin_content *p_bulletin;
285 int crc_size = sizeof(p_bulletin->crc);
286 struct qed_dmae_params params;
287 struct qed_vf_info *p_vf;
288
289 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
290 if (!p_vf)
291 return -EINVAL;
292
293 if (!p_vf->vf_bulletin)
294 return -EINVAL;
295
296 p_bulletin = p_vf->bulletin.p_virt;
297
298 /* Increment bulletin board version and compute crc */
299 p_bulletin->version++;
300 p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
301 p_vf->bulletin.size - crc_size);
302
303 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
304 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
305 p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
306
307 /* propagate bulletin board via dmae to vm memory */
308 memset(&params, 0, sizeof(params));
309 params.flags = QED_DMAE_FLAG_VF_DST;
310 params.dst_vfid = p_vf->abs_vf_id;
311 return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
312 p_vf->vf_bulletin, p_vf->bulletin.size / 4,
313 &params);
314}
315
32a47e72
YM		 316static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
317{
318 struct qed_hw_sriov_info *iov = cdev->p_iov_info;
319 int pos = iov->pos;
320
321 DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
322 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
323
324 pci_read_config_word(cdev->pdev,
325 pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
326 pci_read_config_word(cdev->pdev,
327 pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
328
329 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
330 if (iov->num_vfs) {
331 DP_VERBOSE(cdev,
332 QED_MSG_IOV,
333 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
334 iov->num_vfs = 0;
335 }
336
337 pci_read_config_word(cdev->pdev,
338 pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
339
340 pci_read_config_word(cdev->pdev,
341 pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
342
343 pci_read_config_word(cdev->pdev,
344 pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
345
346 pci_read_config_dword(cdev->pdev,
347 pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
348
349 pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
350
351 pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
352
353 DP_VERBOSE(cdev,
354 QED_MSG_IOV,
355 "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",
356 iov->nres,
357 iov->cap,
358 iov->ctrl,
359 iov->total_vfs,
360 iov->initial_vfs,
361 iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
362
363 /* Some sanity checks */
364 if (iov->num_vfs > NUM_OF_VFS(cdev) ||
365 iov->total_vfs > NUM_OF_VFS(cdev)) {
366 /* This can happen only due to a bug. In this case we set
367 * num_vfs to zero to avoid memory corruption in the code that
368 * assumes max number of vfs
369 */
370 DP_NOTICE(cdev,
371 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
372 iov->num_vfs);
373
374 iov->num_vfs = 0;
375 iov->total_vfs = 0;
376 }
377
378 return 0;
379}
380
381static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
382 struct qed_ptt *p_ptt)
383{
384 struct qed_igu_block *p_sb;
385 u16 sb_id;
386 u32 val;
387
388 if (!p_hwfn->hw_info.p_igu_info) {
389 DP_ERR(p_hwfn,
390 "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
391 return;
392 }
393
394 for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
395 sb_id++) {
396 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
397 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
398 !(p_sb->status & QED_IGU_STATUS_PF)) {
399 val = qed_rd(p_hwfn, p_ptt,
400 IGU_REG_MAPPING_MEMORY + sb_id * 4);
401 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
402 qed_wr(p_hwfn, p_ptt,
403 IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
404 }
405 }
406}
407
408static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
409{
410 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
411 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
412 struct qed_bulletin_content *p_bulletin_virt;
413 dma_addr_t req_p, rply_p, bulletin_p;
414 union pfvf_tlvs *p_reply_virt_addr;
415 union vfpf_tlvs *p_req_virt_addr;
416 u8 idx = 0;
417
418 memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
419
420 p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
421 req_p = p_iov_info->mbx_msg_phys_addr;
422 p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
423 rply_p = p_iov_info->mbx_reply_phys_addr;
424 p_bulletin_virt = p_iov_info->p_bulletins;
425 bulletin_p = p_iov_info->bulletins_phys;
426 if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
427 DP_ERR(p_hwfn,
428 "qed_iov_setup_vfdb called without allocating mem first\n");
429 return;
430 }
431
432 for (idx = 0; idx < p_iov->total_vfs; idx++) {
433 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
434 u32 concrete;
435
436 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
437 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
438 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
439 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
440
441 vf->state = VF_STOPPED;
442 vf->b_init = false;
443
444 vf->bulletin.phys = idx *
445 sizeof(struct qed_bulletin_content) +
446 bulletin_p;
447 vf->bulletin.p_virt = p_bulletin_virt + idx;
448 vf->bulletin.size = sizeof(struct qed_bulletin_content);
449
450 vf->relative_vf_id = idx;
451 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
452 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
453 vf->concrete_fid = concrete;
454 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
455 (vf->abs_vf_id << 8);
456 vf->vport_id = idx + 1;
1cf2b1a9
YM		 457
458 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
459 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
32a47e72
YM		 460 }
461}
462
463static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
464{
465 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
466 void **p_v_addr;
467 u16 num_vfs = 0;
468
469 num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
470
471 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
472 "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
473
474 /* Allocate PF Mailbox buffer (per-VF) */
475 p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
476 p_v_addr = &p_iov_info->mbx_msg_virt_addr;
477 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
478 p_iov_info->mbx_msg_size,
479 &p_iov_info->mbx_msg_phys_addr,
480 GFP_KERNEL);
481 if (!*p_v_addr)
482 return -ENOMEM;
483
484 /* Allocate PF Mailbox Reply buffer (per-VF) */
485 p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
486 p_v_addr = &p_iov_info->mbx_reply_virt_addr;
487 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
488 p_iov_info->mbx_reply_size,
489 &p_iov_info->mbx_reply_phys_addr,
490 GFP_KERNEL);
491 if (!*p_v_addr)
492 return -ENOMEM;
493
494 p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
495 num_vfs;
496 p_v_addr = &p_iov_info->p_bulletins;
497 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
498 p_iov_info->bulletins_size,
499 &p_iov_info->bulletins_phys,
500 GFP_KERNEL);
501 if (!*p_v_addr)
502 return -ENOMEM;
503
504 DP_VERBOSE(p_hwfn,
505 QED_MSG_IOV,
506 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
507 p_iov_info->mbx_msg_virt_addr,
508 (u64) p_iov_info->mbx_msg_phys_addr,
509 p_iov_info->mbx_reply_virt_addr,
510 (u64) p_iov_info->mbx_reply_phys_addr,
511 p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
512
513 return 0;
514}
515
516static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
517{
518 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
519
520 if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
521 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
522 p_iov_info->mbx_msg_size,
523 p_iov_info->mbx_msg_virt_addr,
524 p_iov_info->mbx_msg_phys_addr);
525
526 if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
527 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
528 p_iov_info->mbx_reply_size,
529 p_iov_info->mbx_reply_virt_addr,
530 p_iov_info->mbx_reply_phys_addr);
531
532 if (p_iov_info->p_bulletins)
533 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
534 p_iov_info->bulletins_size,
535 p_iov_info->p_bulletins,
536 p_iov_info->bulletins_phys);
537}
538
539int qed_iov_alloc(struct qed_hwfn *p_hwfn)
540{
541 struct qed_pf_iov *p_sriov;
542
543 if (!IS_PF_SRIOV(p_hwfn)) {
544 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
545 "No SR-IOV - no need for IOV db\n");
546 return 0;
547 }
548
549 p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
2591c280 550 if (!p_sriov)
32a47e72 551 return -ENOMEM;
32a47e72
YM		 552
553 p_hwfn->pf_iov_info = p_sriov;
554
555 return qed_iov_allocate_vfdb(p_hwfn);
556}
557
558void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
559{
560 if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
561 return;
562
563 qed_iov_setup_vfdb(p_hwfn);
564 qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
565}
566
567void qed_iov_free(struct qed_hwfn *p_hwfn)
568{
569 if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
570 qed_iov_free_vfdb(p_hwfn);
571 kfree(p_hwfn->pf_iov_info);
572 }
573}
574
575void qed_iov_free_hw_info(struct qed_dev *cdev)
576{
577 kfree(cdev->p_iov_info);
578 cdev->p_iov_info = NULL;
579}
580
581int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
582{
583 struct qed_dev *cdev = p_hwfn->cdev;
584 int pos;
585 int rc;
586
1408cc1f
YM		 587 if (IS_VF(p_hwfn->cdev))
588 return 0;
589
32a47e72
YM		 590 /* Learn the PCI configuration */
591 pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
592 PCI_EXT_CAP_ID_SRIOV);
593 if (!pos) {
594 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
595 return 0;
596 }
597
598 /* Allocate a new struct for IOV information */
599 cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
2591c280 600 if (!cdev->p_iov_info)
32a47e72 601 return -ENOMEM;
2591c280 602
32a47e72
YM		 603 cdev->p_iov_info->pos = pos;
604
605 rc = qed_iov_pci_cfg_info(cdev);
606 if (rc)
607 return rc;
608
609 /* We want PF IOV to be synonemous with the existance of p_iov_info;
610 * In case the capability is published but there are no VFs, simply
611 * de-allocate the struct.
612 */
613 if (!cdev->p_iov_info->total_vfs) {
614 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
615 "IOV capabilities, but no VFs are published\n");
616 kfree(cdev->p_iov_info);
617 cdev->p_iov_info = NULL;
618 return 0;
619 }
620
9c79ddaa
MY		 621 /* First VF index based on offset is tricky:
622 * - If ARI is supported [likely], offset - (16 - pf_id) would
623 * provide the number for eng0. 2nd engine Vfs would begin
624 * after the first engine's VFs.
625 * - If !ARI, VFs would start on next device.
626 * so offset - (256 - pf_id) would provide the number.
627 * Utilize the fact that (256 - pf_id) is achieved only by later
628 * to diffrentiate between the two.
32a47e72 629 */
9c79ddaa
MY		 630
631 if (p_hwfn->cdev->p_iov_info->offset < (256 - p_hwfn->abs_pf_id)) {
632 u32 first = p_hwfn->cdev->p_iov_info->offset +
633 p_hwfn->abs_pf_id - 16;
634
635 cdev->p_iov_info->first_vf_in_pf = first;
636
637 if (QED_PATH_ID(p_hwfn))
638 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
639 } else {
640 u32 first = p_hwfn->cdev->p_iov_info->offset +
641 p_hwfn->abs_pf_id - 256;
642
643 cdev->p_iov_info->first_vf_in_pf = first;
644 }
32a47e72
YM		 645
646 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
647 "First VF in hwfn 0x%08x\n",
648 cdev->p_iov_info->first_vf_in_pf);
649
650 return 0;
651}
652
7eff82b0
YM		 653bool _qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn,
654 int vfid, bool b_fail_malicious)
37bff2b9
YM		 655{
656 /* Check PF supports sriov */
b0409fa0
YM		 657 if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
658 !IS_PF_SRIOV_ALLOC(p_hwfn))
37bff2b9
YM		 659 return false;
660
661 /* Check VF validity */
7eff82b0 662 if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true, b_fail_malicious))
37bff2b9
YM		 663 return false;
664
665 return true;
666}
667
7eff82b0
YM		 668bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
669{
670 return _qed_iov_pf_sanity_check(p_hwfn, vfid, true);
671}
672
0b55e27d
YM		 673static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
674 u16 rel_vf_id, u8 to_disable)
675{
676 struct qed_vf_info *vf;
677 int i;
678
679 for_each_hwfn(cdev, i) {
680 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
681
682 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
683 if (!vf)
684 continue;
685
686 vf->to_disable = to_disable;
687 }
688}
689
ba56947a 690static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
0b55e27d
YM		 691{
692 u16 i;
693
694 if (!IS_QED_SRIOV(cdev))
695 return;
696
697 for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
698 qed_iov_set_vf_to_disable(cdev, i, to_disable);
699}
700
1408cc1f
YM		 701static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
702 struct qed_ptt *p_ptt, u8 abs_vfid)
703{
704 qed_wr(p_hwfn, p_ptt,
705 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
706 1 << (abs_vfid & 0x1f));
707}
708
dacd88d6
YM		 709static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
710 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
711{
dacd88d6
YM		 712 int i;
713
714 /* Set VF masks and configuration - pretend */
715 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
716
717 qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
718
dacd88d6
YM		 719 /* unpretend */
720 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
721
722 /* iterate over all queues, clear sb consumer */
b2b897eb
YM		 723 for (i = 0; i < vf->num_sbs; i++)
724 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
725 vf->igu_sbs[i],
726 vf->opaque_fid, true);
dacd88d6
YM		 727}
728
0b55e27d
YM		 729static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
730 struct qed_ptt *p_ptt,
731 struct qed_vf_info *vf, bool enable)
732{
733 u32 igu_vf_conf;
734
735 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
736
737 igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
738
739 if (enable)
740 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
741 else
742 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
743
744 qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
745
746 /* unpretend */
747 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
748}
749
1408cc1f
YM		 750static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
751 struct qed_ptt *p_ptt,
752 struct qed_vf_info *vf)
753{
754 u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
755 int rc;
756
4e9b2a67
MY		 757 /* It's possible VF was previously considered malicious -
758 * clear the indication even if we're only going to disable VF.
759 */
760 vf->b_malicious = false;
761
0b55e27d
YM		 762 if (vf->to_disable)
763 return 0;
764
1408cc1f
YM		 765 DP_VERBOSE(p_hwfn,
766 QED_MSG_IOV,
767 "Enable internal access for vf %x [abs %x]\n",
768 vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
769
770 qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
771
b2b897eb
YM		 772 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
773
1408cc1f
YM		 774 rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
775 if (rc)
776 return rc;
777
778 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
779
780 SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
781 STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
782
783 qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
784 p_hwfn->hw_info.hw_mode);
785
786 /* unpretend */
787 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
788
1408cc1f
YM		 789 vf->state = VF_FREE;
790
791 return rc;
792}
793
0b55e27d
YM		 794/**
795 * @brief qed_iov_config_perm_table - configure the permission
796 * zone table.
797 * In E4, queue zone permission table size is 320x9. There
798 * are 320 VF queues for single engine device (256 for dual
799 * engine device), and each entry has the following format:
800 * {Valid, VF[7:0]}
801 * @param p_hwfn
802 * @param p_ptt
803 * @param vf
804 * @param enable
805 */
806static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
807 struct qed_ptt *p_ptt,
808 struct qed_vf_info *vf, u8 enable)
809{
810 u32 reg_addr, val;
811 u16 qzone_id = 0;
812 int qid;
813
814 for (qid = 0; qid < vf->num_rxqs; qid++) {
815 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
816 &qzone_id);
817
818 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
1a635e48 819 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
0b55e27d
YM		 820 qed_wr(p_hwfn, p_ptt, reg_addr, val);
821 }
822}
823
dacd88d6
YM		 824static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
825 struct qed_ptt *p_ptt,
826 struct qed_vf_info *vf)
827{
828 /* Reset vf in IGU - interrupts are still disabled */
829 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
830
831 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
832
833 /* Permission Table */
834 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
835}
836
1408cc1f
YM		 837static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
838 struct qed_ptt *p_ptt,
839 struct qed_vf_info *vf, u16 num_rx_queues)
840{
841 struct qed_igu_block *igu_blocks;
842 int qid = 0, igu_id = 0;
843 u32 val = 0;
844
845 igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
846
847 if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
848 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
849 p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
850
851 SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
852 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
853 SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
854
855 while ((qid < num_rx_queues) &&
856 (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
857 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
858 struct cau_sb_entry sb_entry;
859
860 vf->igu_sbs[qid] = (u16)igu_id;
861 igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
862
863 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
864
865 qed_wr(p_hwfn, p_ptt,
866 IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
867 val);
868
869 /* Configure igu sb in CAU which were marked valid */
870 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
871 p_hwfn->rel_pf_id,
872 vf->abs_vf_id, 1);
873 qed_dmae_host2grc(p_hwfn, p_ptt,
874 (u64)(uintptr_t)&sb_entry,
875 CAU_REG_SB_VAR_MEMORY +
876 igu_id * sizeof(u64), 2, 0);
877 qid++;
878 }
879 igu_id++;
880 }
881
882 vf->num_sbs = (u8) num_rx_queues;
883
884 return vf->num_sbs;
885}
886
0b55e27d
YM		 887static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
888 struct qed_ptt *p_ptt,
889 struct qed_vf_info *vf)
890{
891 struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
892 int idx, igu_id;
893 u32 addr, val;
894
895 /* Invalidate igu CAM lines and mark them as free */
896 for (idx = 0; idx < vf->num_sbs; idx++) {
897 igu_id = vf->igu_sbs[idx];
898 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
899
900 val = qed_rd(p_hwfn, p_ptt, addr);
901 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
902 qed_wr(p_hwfn, p_ptt, addr, val);
903
904 p_info->igu_map.igu_blocks[igu_id].status |=
905 QED_IGU_STATUS_FREE;
906
907 p_hwfn->hw_info.p_igu_info->free_blks++;
908 }
909
910 vf->num_sbs = 0;
911}
912
33b2fbd0
MY		 913static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
914 u16 vfid,
915 struct qed_mcp_link_params *params,
916 struct qed_mcp_link_state *link,
917 struct qed_mcp_link_capabilities *p_caps)
918{
919 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
920 vfid,
921 false);
922 struct qed_bulletin_content *p_bulletin;
923
924 if (!p_vf)
925 return;
926
927 p_bulletin = p_vf->bulletin.p_virt;
928 p_bulletin->req_autoneg = params->speed.autoneg;
929 p_bulletin->req_adv_speed = params->speed.advertised_speeds;
930 p_bulletin->req_forced_speed = params->speed.forced_speed;
931 p_bulletin->req_autoneg_pause = params->pause.autoneg;
932 p_bulletin->req_forced_rx = params->pause.forced_rx;
933 p_bulletin->req_forced_tx = params->pause.forced_tx;
934 p_bulletin->req_loopback = params->loopback_mode;
935
936 p_bulletin->link_up = link->link_up;
937 p_bulletin->speed = link->speed;
938 p_bulletin->full_duplex = link->full_duplex;
939 p_bulletin->autoneg = link->an;
940 p_bulletin->autoneg_complete = link->an_complete;
941 p_bulletin->parallel_detection = link->parallel_detection;
942 p_bulletin->pfc_enabled = link->pfc_enabled;
943 p_bulletin->partner_adv_speed = link->partner_adv_speed;
944 p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
945 p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
946 p_bulletin->partner_adv_pause = link->partner_adv_pause;
947 p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
948
949 p_bulletin->capability_speed = p_caps->speed_capabilities;
950}
951
1408cc1f
YM		 952static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
953 struct qed_ptt *p_ptt,
3da7a37a 954 struct qed_iov_vf_init_params *p_params)
1408cc1f 955{
33b2fbd0
MY		 956 struct qed_mcp_link_capabilities link_caps;
957 struct qed_mcp_link_params link_params;
958 struct qed_mcp_link_state link_state;
1408cc1f
YM		 959 u8 num_of_vf_avaiable_chains = 0;
960 struct qed_vf_info *vf = NULL;
3da7a37a 961 u16 qid, num_irqs;
1408cc1f
YM		 962 int rc = 0;
963 u32 cids;
964 u8 i;
965
3da7a37a 966 vf = qed_iov_get_vf_info(p_hwfn, p_params->rel_vf_id, false);
1408cc1f
YM		 967 if (!vf) {
968 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
969 return -EINVAL;
970 }
971
972 if (vf->b_init) {
3da7a37a
MY		 973 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n",
974 p_params->rel_vf_id);
1408cc1f
YM		 975 return -EINVAL;
976 }
977
3da7a37a
MY		 978 /* Perform sanity checking on the requested queue_id */
979 for (i = 0; i < p_params->num_queues; i++) {
980 u16 min_vf_qzone = FEAT_NUM(p_hwfn, QED_PF_L2_QUE);
981 u16 max_vf_qzone = min_vf_qzone +
982 FEAT_NUM(p_hwfn, QED_VF_L2_QUE) - 1;
983
984 qid = p_params->req_rx_queue[i];
985 if (qid < min_vf_qzone || qid > max_vf_qzone) {
986 DP_NOTICE(p_hwfn,
987 "Can't enable Rx qid [%04x] for VF[%d]: qids [0x%04x,...,0x%04x] available\n",
988 qid,
989 p_params->rel_vf_id,
990 min_vf_qzone, max_vf_qzone);
991 return -EINVAL;
992 }
993
994 qid = p_params->req_tx_queue[i];
995 if (qid > max_vf_qzone) {
996 DP_NOTICE(p_hwfn,
997 "Can't enable Tx qid [%04x] for VF[%d]: max qid 0x%04x\n",
998 qid, p_params->rel_vf_id, max_vf_qzone);
999 return -EINVAL;
1000 }
1001
1002 /* If client *really* wants, Tx qid can be shared with PF */
1003 if (qid < min_vf_qzone)
1004 DP_VERBOSE(p_hwfn,
1005 QED_MSG_IOV,
1006 "VF[%d] is using PF qid [0x%04x] for Txq[0x%02x]\n",
1007 p_params->rel_vf_id, qid, i);
1008 }
1009
1408cc1f
YM		 1010 /* Limit number of queues according to number of CIDs */
1011 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
1012 DP_VERBOSE(p_hwfn,
1013 QED_MSG_IOV,
1014 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
3da7a37a
MY		 1015 vf->relative_vf_id, p_params->num_queues, (u16)cids);
1016 num_irqs = min_t(u16, p_params->num_queues, ((u16)cids));
1408cc1f
YM		 1017
1018 num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
1019 p_ptt,
3da7a37a 1020 vf, num_irqs);
1408cc1f
YM		 1021 if (!num_of_vf_avaiable_chains) {
1022 DP_ERR(p_hwfn, "no available igu sbs\n");
1023 return -ENOMEM;
1024 }
1025
1026 /* Choose queue number and index ranges */
1027 vf->num_rxqs = num_of_vf_avaiable_chains;
1028 vf->num_txqs = num_of_vf_avaiable_chains;
1029
1030 for (i = 0; i < vf->num_rxqs; i++) {
3da7a37a 1031 struct qed_vf_q_info *p_queue = &vf->vf_queues[i];
1408cc1f 1032
3da7a37a
MY		 1033 p_queue->fw_rx_qid = p_params->req_rx_queue[i];
1034 p_queue->fw_tx_qid = p_params->req_tx_queue[i];
1408cc1f
YM		 1035
1036 /* CIDs are per-VF, so no problem having them 0-based. */
3da7a37a 1037 p_queue->fw_cid = i;
1408cc1f
YM		 1038
1039 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3da7a37a
MY		 1040 "VF[%d] - Q[%d] SB %04x, qid [Rx %04x Tx %04x] CID %04x\n",
1041 vf->relative_vf_id,
1042 i, vf->igu_sbs[i],
1043 p_queue->fw_rx_qid,
1044 p_queue->fw_tx_qid, p_queue->fw_cid);
1408cc1f 1045 }
3da7a37a 1046
33b2fbd0
MY		 1047 /* Update the link configuration in bulletin */
1048 memcpy(&link_params, qed_mcp_get_link_params(p_hwfn),
1049 sizeof(link_params));
1050 memcpy(&link_state, qed_mcp_get_link_state(p_hwfn), sizeof(link_state));
1051 memcpy(&link_caps, qed_mcp_get_link_capabilities(p_hwfn),
1052 sizeof(link_caps));
1053 qed_iov_set_link(p_hwfn, p_params->rel_vf_id,
1054 &link_params, &link_state, &link_caps);
1055
1408cc1f
YM		 1056 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
1057 if (!rc) {
1058 vf->b_init = true;
1059
1060 if (IS_LEAD_HWFN(p_hwfn))
1061 p_hwfn->cdev->p_iov_info->num_vfs++;
1062 }
1063
1064 return rc;
1065}
1066
0b55e27d
YM		 1067static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
1068 struct qed_ptt *p_ptt, u16 rel_vf_id)
1069{
079d20a6
MC		 1070 struct qed_mcp_link_capabilities caps;
1071 struct qed_mcp_link_params params;
1072 struct qed_mcp_link_state link;
0b55e27d 1073 struct qed_vf_info *vf = NULL;
0b55e27d
YM		 1074
1075 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
1076 if (!vf) {
1077 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
1078 return -EINVAL;
1079 }
1080
36558c3d
YM		 1081 if (vf->bulletin.p_virt)
1082 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
1083
1084 memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
1085
079d20a6
MC		 1086 /* Get the link configuration back in bulletin so
1087 * that when VFs are re-enabled they get the actual
1088 * link configuration.
1089 */
1090 memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
1091 memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
1092 memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
1093 qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
1094
1fe614d1
YM		 1095 /* Forget the VF's acquisition message */
1096 memset(&vf->acquire, 0, sizeof(vf->acquire));
0b55e27d
YM		 1097
1098 /* disablng interrupts and resetting permission table was done during
1099 * vf-close, however, we could get here without going through vf_close
1100 */
1101 /* Disable Interrupts for VF */
1102 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
1103
1104 /* Reset Permission table */
1105 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
1106
1107 vf->num_rxqs = 0;
1108 vf->num_txqs = 0;
1109 qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
1110
1111 if (vf->b_init) {
1112 vf->b_init = false;
1113
1114 if (IS_LEAD_HWFN(p_hwfn))
1115 p_hwfn->cdev->p_iov_info->num_vfs--;
1116 }
1117
1118 return 0;
1119}
1120
37bff2b9
YM		 1121static bool qed_iov_tlv_supported(u16 tlvtype)
1122{
1123 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
1124}
1125
1126/* place a given tlv on the tlv buffer, continuing current tlv list */
1127void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
1128{
1129 struct channel_tlv *tl = (struct channel_tlv *)*offset;
1130
1131 tl->type = type;
1132 tl->length = length;
1133
1134 /* Offset should keep pointing to next TLV (the end of the last) */
1135 *offset += length;
1136
1137 /* Return a pointer to the start of the added tlv */
1138 return *offset - length;
1139}
1140
1141/* list the types and lengths of the tlvs on the buffer */
1142void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
1143{
1144 u16 i = 1, total_length = 0;
1145 struct channel_tlv *tlv;
1146
1147 do {
1148 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
1149
1150 /* output tlv */
1151 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1152 "TLV number %d: type %d, length %d\n",
1153 i, tlv->type, tlv->length);
1154
1155 if (tlv->type == CHANNEL_TLV_LIST_END)
1156 return;
1157
1158 /* Validate entry - protect against malicious VFs */
1159 if (!tlv->length) {
1160 DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1161 return;
1162 }
1163
1164 total_length += tlv->length;
1165
1166 if (total_length >= sizeof(struct tlv_buffer_size)) {
1167 DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1168 return;
1169 }
1170
1171 i++;
1172 } while (1);
1173}
1174
1175static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1176 struct qed_ptt *p_ptt,
1177 struct qed_vf_info *p_vf,
1178 u16 length, u8 status)
1179{
1180 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1181 struct qed_dmae_params params;
1182 u8 eng_vf_id;
1183
1184 mbx->reply_virt->default_resp.hdr.status = status;
1185
1186 qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1187
1188 eng_vf_id = p_vf->abs_vf_id;
1189
1190 memset(&params, 0, sizeof(struct qed_dmae_params));
1191 params.flags = QED_DMAE_FLAG_VF_DST;
1192 params.dst_vfid = eng_vf_id;
1193
1194 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1195 mbx->req_virt->first_tlv.reply_address +
1196 sizeof(u64),
1197 (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1198 &params);
1199
d9194081
MY		 1200 /* Once PF copies the rc to the VF, the latter can continue
1201 * and send an additional message. So we have to make sure the
1202 * channel would be re-set to ready prior to that.
1203 */
37bff2b9
YM		 1204 REG_WR(p_hwfn,
1205 GTT_BAR0_MAP_REG_USDM_RAM +
1206 USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
d9194081
MY		 1207
1208 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1209 mbx->req_virt->first_tlv.reply_address,
1210 sizeof(u64) / 4, &params);
37bff2b9
YM		 1211}
1212
dacd88d6
YM		 1213static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1214 enum qed_iov_vport_update_flag flag)
1215{
1216 switch (flag) {
1217 case QED_IOV_VP_UPDATE_ACTIVATE:
1218 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
17b235c1
YM		 1219 case QED_IOV_VP_UPDATE_VLAN_STRIP:
1220 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1221 case QED_IOV_VP_UPDATE_TX_SWITCH:
1222 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
dacd88d6
YM		 1223 case QED_IOV_VP_UPDATE_MCAST:
1224 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1225 case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1226 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1227 case QED_IOV_VP_UPDATE_RSS:
1228 return CHANNEL_TLV_VPORT_UPDATE_RSS;
17b235c1
YM		 1229 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1230 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1231 case QED_IOV_VP_UPDATE_SGE_TPA:
1232 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
dacd88d6
YM		 1233 default:
1234 return 0;
1235 }
1236}
1237
1238static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1239 struct qed_vf_info *p_vf,
1240 struct qed_iov_vf_mbx *p_mbx,
1241 u8 status,
1242 u16 tlvs_mask, u16 tlvs_accepted)
1243{
1244 struct pfvf_def_resp_tlv *resp;
1245 u16 size, total_len, i;
1246
1247 memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1248 p_mbx->offset = (u8 *)p_mbx->reply_virt;
1249 size = sizeof(struct pfvf_def_resp_tlv);
1250 total_len = size;
1251
1252 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1253
1254 /* Prepare response for all extended tlvs if they are found by PF */
1255 for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1a635e48 1256 if (!(tlvs_mask & BIT(i)))
dacd88d6
YM		 1257 continue;
1258
1259 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1260 qed_iov_vport_to_tlv(p_hwfn, i), size);
1261
1a635e48 1262 if (tlvs_accepted & BIT(i))
dacd88d6
YM		 1263 resp->hdr.status = status;
1264 else
1265 resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1266
1267 DP_VERBOSE(p_hwfn,
1268 QED_MSG_IOV,
1269 "VF[%d] - vport_update response: TLV %d, status %02x\n",
1270 p_vf->relative_vf_id,
1271 qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1272
1273 total_len += size;
1274 }
1275
1276 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1277 sizeof(struct channel_list_end_tlv));
1278
1279 return total_len;
1280}
1281
37bff2b9
YM		 1282static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1283 struct qed_ptt *p_ptt,
1284 struct qed_vf_info *vf_info,
1285 u16 type, u16 length, u8 status)
1286{
1287 struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1288
1289 mbx->offset = (u8 *)mbx->reply_virt;
1290
1291 qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1292 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1293 sizeof(struct channel_list_end_tlv));
1294
1295 qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1296}
1297
ba56947a
BX		 1298static struct
1299qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1300 u16 relative_vf_id,
1301 bool b_enabled_only)
0b55e27d
YM		 1302{
1303 struct qed_vf_info *vf = NULL;
1304
1305 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1306 if (!vf)
1307 return NULL;
1308
1309 return &vf->p_vf_info;
1310}
1311
ba56947a 1312static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
0b55e27d
YM		 1313{
1314 struct qed_public_vf_info *vf_info;
1315
1316 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1317
1318 if (!vf_info)
1319 return;
1320
1321 /* Clear the VF mac */
0ee28e31 1322 eth_zero_addr(vf_info->mac);
f990c82c
MY		 1323
1324 vf_info->rx_accept_mode = 0;
1325 vf_info->tx_accept_mode = 0;
0b55e27d
YM		 1326}
1327
1328static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1329 struct qed_vf_info *p_vf)
1330{
1331 u32 i;
1332
1333 p_vf->vf_bulletin = 0;
dacd88d6 1334 p_vf->vport_instance = 0;
08feecd7 1335 p_vf->configured_features = 0;
0b55e27d
YM		 1336
1337 /* If VF previously requested less resources, go back to default */
1338 p_vf->num_rxqs = p_vf->num_sbs;
1339 p_vf->num_txqs = p_vf->num_sbs;
1340
dacd88d6
YM		 1341 p_vf->num_active_rxqs = 0;
1342
3da7a37a
MY		 1343 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1344 struct qed_vf_q_info *p_queue = &p_vf->vf_queues[i];
1345
1346 if (p_queue->p_rx_cid) {
1347 qed_eth_queue_cid_release(p_hwfn, p_queue->p_rx_cid);
1348 p_queue->p_rx_cid = NULL;
1349 }
1350
1351 if (p_queue->p_tx_cid) {
1352 qed_eth_queue_cid_release(p_hwfn, p_queue->p_tx_cid);
1353 p_queue->p_tx_cid = NULL;
1354 }
1355 }
0b55e27d 1356
08feecd7 1357 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1fe614d1 1358 memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
0b55e27d
YM		 1359 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1360}
1361
1cf2b1a9
YM		 1362static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1363 struct qed_ptt *p_ptt,
1364 struct qed_vf_info *p_vf,
1365 struct vf_pf_resc_request *p_req,
1366 struct pf_vf_resc *p_resp)
1367{
1368 int i;
1369
1370 /* Queue related information */
1371 p_resp->num_rxqs = p_vf->num_rxqs;
1372 p_resp->num_txqs = p_vf->num_txqs;
1373 p_resp->num_sbs = p_vf->num_sbs;
1374
1375 for (i = 0; i < p_resp->num_sbs; i++) {
1376 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1377 p_resp->hw_sbs[i].sb_qid = 0;
1378 }
1379
1380 /* These fields are filled for backward compatibility.
1381 * Unused by modern vfs.
1382 */
1383 for (i = 0; i < p_resp->num_rxqs; i++) {
1384 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1385 (u16 *)&p_resp->hw_qid[i]);
1386 p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
1387 }
1388
1389 /* Filter related information */
1390 p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1391 p_req->num_mac_filters);
1392 p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1393 p_req->num_vlan_filters);
1394
1395 /* This isn't really needed/enforced, but some legacy VFs might depend
1396 * on the correct filling of this field.
1397 */
1398 p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1399
1400 /* Validate sufficient resources for VF */
1401 if (p_resp->num_rxqs < p_req->num_rxqs ||
1402 p_resp->num_txqs < p_req->num_txqs ||
1403 p_resp->num_sbs < p_req->num_sbs ||
1404 p_resp->num_mac_filters < p_req->num_mac_filters ||
1405 p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1406 p_resp->num_mc_filters < p_req->num_mc_filters) {
1407 DP_VERBOSE(p_hwfn,
1408 QED_MSG_IOV,
1409 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1410 p_vf->abs_vf_id,
1411 p_req->num_rxqs,
1412 p_resp->num_rxqs,
1413 p_req->num_rxqs,
1414 p_resp->num_txqs,
1415 p_req->num_sbs,
1416 p_resp->num_sbs,
1417 p_req->num_mac_filters,
1418 p_resp->num_mac_filters,
1419 p_req->num_vlan_filters,
1420 p_resp->num_vlan_filters,
1421 p_req->num_mc_filters, p_resp->num_mc_filters);
a044df83
YM		 1422
1423 /* Some legacy OSes are incapable of correctly handling this
1424 * failure.
1425 */
1426 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1427 ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1428 (p_vf->acquire.vfdev_info.os_type ==
1429 VFPF_ACQUIRE_OS_WINDOWS))
1430 return PFVF_STATUS_SUCCESS;
1431
1cf2b1a9
YM		 1432 return PFVF_STATUS_NO_RESOURCE;
1433 }
1434
1435 return PFVF_STATUS_SUCCESS;
1436}
1437
1438static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1439 struct pfvf_stats_info *p_stats)
1440{
1441 p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1442 offsetof(struct mstorm_vf_zone,
1443 non_trigger.eth_queue_stat);
1444 p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1445 p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1446 offsetof(struct ustorm_vf_zone,
1447 non_trigger.eth_queue_stat);
1448 p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1449 p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1450 offsetof(struct pstorm_vf_zone,
1451 non_trigger.eth_queue_stat);
1452 p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1453 p_stats->tstats.address = 0;
1454 p_stats->tstats.len = 0;
1455}
1456
1408cc1f
YM		 1457static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1458 struct qed_ptt *p_ptt,
1459 struct qed_vf_info *vf)
37bff2b9 1460{
1408cc1f
YM		 1461 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1462 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1463 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1464 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1cf2b1a9 1465 u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1408cc1f 1466 struct pf_vf_resc *resc = &resp->resc;
1fe614d1
YM		 1467 int rc;
1468
1469 memset(resp, 0, sizeof(*resp));
1408cc1f 1470
05fafbfb
YM		 1471 /* Write the PF version so that VF would know which version
1472 * is supported - might be later overriden. This guarantees that
1473 * VF could recognize legacy PF based on lack of versions in reply.
1474 */
1475 pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1476 pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1477
a044df83
YM		 1478 if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1479 DP_VERBOSE(p_hwfn,
1480 QED_MSG_IOV,
1481 "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1482 vf->abs_vf_id, vf->state);
1483 goto out;
1484 }
1485
1408cc1f 1486 /* Validate FW compatibility */
1fe614d1 1487 if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
a044df83
YM		 1488 if (req->vfdev_info.capabilities &
1489 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1490 struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1fe614d1 1491
a044df83
YM		 1492 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1493 "VF[%d] is pre-fastpath HSI\n",
1494 vf->abs_vf_id);
1495 p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1496 p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1497 } else {
1498 DP_INFO(p_hwfn,
1499 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1500 vf->abs_vf_id,
1501 req->vfdev_info.eth_fp_hsi_major,
1502 req->vfdev_info.eth_fp_hsi_minor,
1503 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1504
1505 goto out;
1506 }
1408cc1f
YM		 1507 }
1508
1509 /* On 100g PFs, prevent old VFs from loading */
1510 if ((p_hwfn->cdev->num_hwfns > 1) &&
1511 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1512 DP_INFO(p_hwfn,
1513 "VF[%d] is running an old driver that doesn't support 100g\n",
1514 vf->abs_vf_id);
1408cc1f
YM		 1515 goto out;
1516 }
1517
1fe614d1
YM		 1518 /* Store the acquire message */
1519 memcpy(&vf->acquire, req, sizeof(vf->acquire));
1408cc1f 1520
1408cc1f 1521 vf->opaque_fid = req->vfdev_info.opaque_fid;
1408cc1f
YM		 1522
1523 vf->vf_bulletin = req->bulletin_addr;
1524 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1525 vf->bulletin.size : req->bulletin_size;
1526
1527 /* fill in pfdev info */
1528 pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1529 pfdev_info->db_size = 0;
1530 pfdev_info->indices_per_sb = PIS_PER_SB;
1531
1532 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1533 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1534 if (p_hwfn->cdev->num_hwfns > 1)
1535 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1536
1cf2b1a9 1537 qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1408cc1f
YM		 1538
1539 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1540
1541 pfdev_info->fw_major = FW_MAJOR_VERSION;
1542 pfdev_info->fw_minor = FW_MINOR_VERSION;
1543 pfdev_info->fw_rev = FW_REVISION_VERSION;
1544 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
a044df83
YM		 1545
1546 /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1547 * this field.
1548 */
1a635e48 1549 pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1fe614d1 1550 req->vfdev_info.eth_fp_hsi_minor);
1408cc1f
YM		 1551 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1552 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1553
1554 pfdev_info->dev_type = p_hwfn->cdev->type;
1555 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1556
1cf2b1a9
YM		 1557 /* Fill resources available to VF; Make sure there are enough to
1558 * satisfy the VF's request.
1408cc1f 1559 */
1cf2b1a9
YM		 1560 vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1561 &req->resc_request, resc);
1562 if (vfpf_status != PFVF_STATUS_SUCCESS)
1563 goto out;
1408cc1f 1564
1fe614d1
YM		 1565 /* Start the VF in FW */
1566 rc = qed_sp_vf_start(p_hwfn, vf);
1567 if (rc) {
1568 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1569 vfpf_status = PFVF_STATUS_FAILURE;
1570 goto out;
1571 }
1572
1408cc1f
YM		 1573 /* Fill agreed size of bulletin board in response */
1574 resp->bulletin_size = vf->bulletin.size;
36558c3d 1575 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1408cc1f
YM		 1576
1577 DP_VERBOSE(p_hwfn,
1578 QED_MSG_IOV,
1579 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1580 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1581 vf->abs_vf_id,
1582 resp->pfdev_info.chip_num,
1583 resp->pfdev_info.db_size,
1584 resp->pfdev_info.indices_per_sb,
1585 resp->pfdev_info.capabilities,
1586 resc->num_rxqs,
1587 resc->num_txqs,
1588 resc->num_sbs,
1589 resc->num_mac_filters,
1590 resc->num_vlan_filters);
1591 vf->state = VF_ACQUIRED;
1592
1593 /* Prepare Response */
1594out:
1595 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1596 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
37bff2b9
YM		 1597}
1598
6ddc7608
YM		 1599static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1600 struct qed_vf_info *p_vf, bool val)
1601{
1602 struct qed_sp_vport_update_params params;
1603 int rc;
1604
1605 if (val == p_vf->spoof_chk) {
1606 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1607 "Spoofchk value[%d] is already configured\n", val);
1608 return 0;
1609 }
1610
1611 memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1612 params.opaque_fid = p_vf->opaque_fid;
1613 params.vport_id = p_vf->vport_id;
1614 params.update_anti_spoofing_en_flg = 1;
1615 params.anti_spoofing_en = val;
1616
1617 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
cb1fa088 1618 if (!rc) {
6ddc7608
YM		 1619 p_vf->spoof_chk = val;
1620 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1621 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1622 "Spoofchk val[%d] configured\n", val);
1623 } else {
1624 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1625 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1626 val, p_vf->relative_vf_id);
1627 }
1628
1629 return rc;
1630}
1631
08feecd7
YM		 1632static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1633 struct qed_vf_info *p_vf)
1634{
1635 struct qed_filter_ucast filter;
1636 int rc = 0;
1637 int i;
1638
1639 memset(&filter, 0, sizeof(filter));
1640 filter.is_rx_filter = 1;
1641 filter.is_tx_filter = 1;
1642 filter.vport_to_add_to = p_vf->vport_id;
1643 filter.opcode = QED_FILTER_ADD;
1644
1645 /* Reconfigure vlans */
1646 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1647 if (!p_vf->shadow_config.vlans[i].used)
1648 continue;
1649
1650 filter.type = QED_FILTER_VLAN;
1651 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1a635e48 1652 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
08feecd7
YM		 1653 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1654 filter.vlan, p_vf->relative_vf_id);
1a635e48
YM		 1655 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1656 &filter, QED_SPQ_MODE_CB, NULL);
08feecd7
YM		 1657 if (rc) {
1658 DP_NOTICE(p_hwfn,
1659 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1660 filter.vlan, p_vf->relative_vf_id);
1661 break;
1662 }
1663 }
1664
1665 return rc;
1666}
1667
1668static int
1669qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1670 struct qed_vf_info *p_vf, u64 events)
1671{
1672 int rc = 0;
1673
1a635e48 1674 if ((events & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 1675 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1676 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1677
1678 return rc;
1679}
1680
1681static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1682 struct qed_vf_info *p_vf, u64 events)
1683{
1684 int rc = 0;
1685 struct qed_filter_ucast filter;
1686
1687 if (!p_vf->vport_instance)
1688 return -EINVAL;
1689
1a635e48 1690 if (events & BIT(MAC_ADDR_FORCED)) {
eff16960
YM		 1691 /* Since there's no way [currently] of removing the MAC,
1692 * we can always assume this means we need to force it.
1693 */
1694 memset(&filter, 0, sizeof(filter));
1695 filter.type = QED_FILTER_MAC;
1696 filter.opcode = QED_FILTER_REPLACE;
1697 filter.is_rx_filter = 1;
1698 filter.is_tx_filter = 1;
1699 filter.vport_to_add_to = p_vf->vport_id;
1700 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1701
1702 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1703 &filter, QED_SPQ_MODE_CB, NULL);
1704 if (rc) {
1705 DP_NOTICE(p_hwfn,
1706 "PF failed to configure MAC for VF\n");
1707 return rc;
1708 }
1709
1710 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1711 }
1712
1a635e48 1713 if (events & BIT(VLAN_ADDR_FORCED)) {
08feecd7
YM		 1714 struct qed_sp_vport_update_params vport_update;
1715 u8 removal;
1716 int i;
1717
1718 memset(&filter, 0, sizeof(filter));
1719 filter.type = QED_FILTER_VLAN;
1720 filter.is_rx_filter = 1;
1721 filter.is_tx_filter = 1;
1722 filter.vport_to_add_to = p_vf->vport_id;
1723 filter.vlan = p_vf->bulletin.p_virt->pvid;
1724 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1725 QED_FILTER_FLUSH;
1726
1727 /* Send the ramrod */
1728 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1729 &filter, QED_SPQ_MODE_CB, NULL);
1730 if (rc) {
1731 DP_NOTICE(p_hwfn,
1732 "PF failed to configure VLAN for VF\n");
1733 return rc;
1734 }
1735
1736 /* Update the default-vlan & silent vlan stripping */
1737 memset(&vport_update, 0, sizeof(vport_update));
1738 vport_update.opaque_fid = p_vf->opaque_fid;
1739 vport_update.vport_id = p_vf->vport_id;
1740 vport_update.update_default_vlan_enable_flg = 1;
1741 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1742 vport_update.update_default_vlan_flg = 1;
1743 vport_update.default_vlan = filter.vlan;
1744
1745 vport_update.update_inner_vlan_removal_flg = 1;
1746 removal = filter.vlan ? 1
1747 : p_vf->shadow_config.inner_vlan_removal;
1748 vport_update.inner_vlan_removal_flg = removal;
1749 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1750 rc = qed_sp_vport_update(p_hwfn,
1751 &vport_update,
1752 QED_SPQ_MODE_EBLOCK, NULL);
1753 if (rc) {
1754 DP_NOTICE(p_hwfn,
1755 "PF failed to configure VF vport for vlan\n");
1756 return rc;
1757 }
1758
1759 /* Update all the Rx queues */
1760 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
3da7a37a 1761 struct qed_queue_cid *p_cid;
08feecd7 1762
3da7a37a
MY		 1763 p_cid = p_vf->vf_queues[i].p_rx_cid;
1764 if (!p_cid)
08feecd7
YM		 1765 continue;
1766
3da7a37a
MY		 1767 rc = qed_sp_eth_rx_queues_update(p_hwfn,
1768 (void **)&p_cid,
08feecd7
YM		 1769 1, 0, 1,
1770 QED_SPQ_MODE_EBLOCK,
1771 NULL);
1772 if (rc) {
1773 DP_NOTICE(p_hwfn,
1774 "Failed to send Rx update fo queue[0x%04x]\n",
3da7a37a 1775 p_cid->rel.queue_id);
08feecd7
YM		 1776 return rc;
1777 }
1778 }
1779
1780 if (filter.vlan)
1781 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1782 else
1a635e48 1783 p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
08feecd7
YM		 1784 }
1785
1786 /* If forced features are terminated, we need to configure the shadow
1787 * configuration back again.
1788 */
1789 if (events)
1790 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1791
1792 return rc;
1793}
1794
dacd88d6
YM		 1795static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1796 struct qed_ptt *p_ptt,
1797 struct qed_vf_info *vf)
1798{
1799 struct qed_sp_vport_start_params params = { 0 };
1800 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1801 struct vfpf_vport_start_tlv *start;
1802 u8 status = PFVF_STATUS_SUCCESS;
1803 struct qed_vf_info *vf_info;
08feecd7 1804 u64 *p_bitmap;
dacd88d6
YM		 1805 int sb_id;
1806 int rc;
1807
1808 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1809 if (!vf_info) {
1810 DP_NOTICE(p_hwfn->cdev,
1811 "Failed to get VF info, invalid vfid [%d]\n",
1812 vf->relative_vf_id);
1813 return;
1814 }
1815
1816 vf->state = VF_ENABLED;
1817 start = &mbx->req_virt->start_vport;
1818
b801b159
MY		 1819 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1820
dacd88d6
YM		 1821 /* Initialize Status block in CAU */
1822 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1823 if (!start->sb_addr[sb_id]) {
1824 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1825 "VF[%d] did not fill the address of SB %d\n",
1826 vf->relative_vf_id, sb_id);
1827 break;
1828 }
1829
1830 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1831 start->sb_addr[sb_id],
1a635e48 1832 vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
dacd88d6 1833 }
dacd88d6
YM		 1834
1835 vf->mtu = start->mtu;
08feecd7
YM		 1836 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1837
1838 /* Take into consideration configuration forced by hypervisor;
1839 * If none is configured, use the supplied VF values [for old
1840 * vfs that would still be fine, since they passed '0' as padding].
1841 */
1842 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1a635e48 1843 if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
08feecd7
YM		 1844 u8 vf_req = start->only_untagged;
1845
1846 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1847 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1848 }
dacd88d6
YM		 1849
1850 params.tpa_mode = start->tpa_mode;
1851 params.remove_inner_vlan = start->inner_vlan_removal;
831bfb0e 1852 params.tx_switching = true;
dacd88d6 1853
08feecd7 1854 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
dacd88d6
YM		 1855 params.drop_ttl0 = false;
1856 params.concrete_fid = vf->concrete_fid;
1857 params.opaque_fid = vf->opaque_fid;
1858 params.vport_id = vf->vport_id;
1859 params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1860 params.mtu = vf->mtu;
11a85d75 1861 params.check_mac = true;
dacd88d6
YM		 1862
1863 rc = qed_sp_eth_vport_start(p_hwfn, &params);
1a635e48 1864 if (rc) {
dacd88d6
YM		 1865 DP_ERR(p_hwfn,
1866 "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1867 status = PFVF_STATUS_FAILURE;
1868 } else {
1869 vf->vport_instance++;
08feecd7
YM		 1870
1871 /* Force configuration if needed on the newly opened vport */
1872 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
6ddc7608
YM		 1873
1874 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
dacd88d6
YM		 1875 }
1876 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1877 sizeof(struct pfvf_def_resp_tlv), status);
1878}
1879
1880static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1881 struct qed_ptt *p_ptt,
1882 struct qed_vf_info *vf)
1883{
1884 u8 status = PFVF_STATUS_SUCCESS;
1885 int rc;
1886
1887 vf->vport_instance--;
6ddc7608 1888 vf->spoof_chk = false;
dacd88d6 1889
f109c240
MY		 1890 if ((qed_iov_validate_active_rxq(p_hwfn, vf)) ||
1891 (qed_iov_validate_active_txq(p_hwfn, vf))) {
1892 vf->b_malicious = true;
1893 DP_NOTICE(p_hwfn,
1894 "VF [%02x] - considered malicious; Unable to stop RX/TX queuess\n",
1895 vf->abs_vf_id);
1896 status = PFVF_STATUS_MALICIOUS;
1897 goto out;
1898 }
1899
dacd88d6 1900 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1a635e48 1901 if (rc) {
dacd88d6
YM		 1902 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1903 rc);
1904 status = PFVF_STATUS_FAILURE;
1905 }
1906
08feecd7
YM		 1907 /* Forget the configuration on the vport */
1908 vf->configured_features = 0;
1909 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1910
f109c240 1911out:
dacd88d6
YM		 1912 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1913 sizeof(struct pfvf_def_resp_tlv), status);
1914}
1915
dacd88d6
YM		 1916static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1917 struct qed_ptt *p_ptt,
a044df83
YM		 1918 struct qed_vf_info *vf,
1919 u8 status, bool b_legacy)
dacd88d6
YM		 1920{
1921 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1922 struct pfvf_start_queue_resp_tlv *p_tlv;
1923 struct vfpf_start_rxq_tlv *req;
a044df83 1924 u16 length;
dacd88d6
YM		 1925
1926 mbx->offset = (u8 *)mbx->reply_virt;
1927
a044df83
YM		 1928 /* Taking a bigger struct instead of adding a TLV to list was a
1929 * mistake, but one which we're now stuck with, as some older
1930 * clients assume the size of the previous response.
1931 */
1932 if (!b_legacy)
1933 length = sizeof(*p_tlv);
1934 else
1935 length = sizeof(struct pfvf_def_resp_tlv);
1936
dacd88d6 1937 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
a044df83 1938 length);
dacd88d6
YM		 1939 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1940 sizeof(struct channel_list_end_tlv));
1941
1942 /* Update the TLV with the response */
a044df83 1943 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
dacd88d6 1944 req = &mbx->req_virt->start_rxq;
351a4ded
YM		 1945 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
1946 offsetof(struct mstorm_vf_zone,
1947 non_trigger.eth_rx_queue_producers) +
1948 sizeof(struct eth_rx_prod_data) * req->rx_qid;
dacd88d6
YM		 1949 }
1950
a044df83 1951 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
dacd88d6
YM		 1952}
1953
1954static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1955 struct qed_ptt *p_ptt,
1956 struct qed_vf_info *vf)
1957{
1958 struct qed_queue_start_common_params params;
1959 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 1960 u8 status = PFVF_STATUS_NO_RESOURCE;
3da7a37a 1961 struct qed_vf_q_info *p_queue;
dacd88d6 1962 struct vfpf_start_rxq_tlv *req;
a044df83 1963 bool b_legacy_vf = false;
dacd88d6
YM		 1964 int rc;
1965
dacd88d6 1966 req = &mbx->req_virt->start_rxq;
41086467 1967
f109c240
MY		 1968 if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid,
1969 QED_IOV_VALIDATE_Q_DISABLE) ||
41086467
YM		 1970 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1971 goto out;
1972
3da7a37a
MY		 1973 /* Acquire a new queue-cid */
1974 p_queue = &vf->vf_queues[req->rx_qid];
1975
1976 memset(&params, 0, sizeof(params));
1977 params.queue_id = p_queue->fw_rx_qid;
dacd88d6 1978 params.vport_id = vf->vport_id;
3da7a37a 1979 params.stats_id = vf->abs_vf_id + 0x10;
dacd88d6
YM		 1980 params.sb = req->hw_sb;
1981 params.sb_idx = req->sb_index;
1982
3da7a37a
MY		 1983 p_queue->p_rx_cid = _qed_eth_queue_to_cid(p_hwfn,
1984 vf->opaque_fid,
1985 p_queue->fw_cid,
1986 req->rx_qid, &params);
1987 if (!p_queue->p_rx_cid)
1988 goto out;
1989
a044df83
YM		 1990 /* Legacy VFs have their Producers in a different location, which they
1991 * calculate on their own and clean the producer prior to this.
1992 */
1993 if (vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1994 ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1995 b_legacy_vf = true;
1996 } else {
1997 REG_WR(p_hwfn,
1998 GTT_BAR0_MAP_REG_MSDM_RAM +
1999 MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
2000 0);
2001 }
3da7a37a 2002 p_queue->p_rx_cid->b_legacy_vf = b_legacy_vf;
a044df83 2003
3da7a37a
MY		 2004 rc = qed_eth_rxq_start_ramrod(p_hwfn,
2005 p_queue->p_rx_cid,
2006 req->bd_max_bytes,
2007 req->rxq_addr,
2008 req->cqe_pbl_addr, req->cqe_pbl_size);
dacd88d6
YM		 2009 if (rc) {
2010 status = PFVF_STATUS_FAILURE;
3da7a37a
MY		 2011 qed_eth_queue_cid_release(p_hwfn, p_queue->p_rx_cid);
2012 p_queue->p_rx_cid = NULL;
dacd88d6 2013 } else {
41086467 2014 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 2015 vf->num_active_rxqs++;
2016 }
2017
41086467 2018out:
a044df83 2019 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, b_legacy_vf);
dacd88d6
YM		 2020}
2021
5040acf5
YM		 2022static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
2023 struct qed_ptt *p_ptt,
2024 struct qed_vf_info *p_vf, u8 status)
2025{
2026 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
2027 struct pfvf_start_queue_resp_tlv *p_tlv;
a044df83
YM		 2028 bool b_legacy = false;
2029 u16 length;
5040acf5
YM		 2030
2031 mbx->offset = (u8 *)mbx->reply_virt;
2032
a044df83
YM		 2033 /* Taking a bigger struct instead of adding a TLV to list was a
2034 * mistake, but one which we're now stuck with, as some older
2035 * clients assume the size of the previous response.
2036 */
2037 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
2038 ETH_HSI_VER_NO_PKT_LEN_TUNN)
2039 b_legacy = true;
2040
2041 if (!b_legacy)
2042 length = sizeof(*p_tlv);
2043 else
2044 length = sizeof(struct pfvf_def_resp_tlv);
2045
5040acf5 2046 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
a044df83 2047 length);
5040acf5
YM		 2048 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
2049 sizeof(struct channel_list_end_tlv));
2050
2051 /* Update the TLV with the response */
a044df83 2052 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
5040acf5
YM		 2053 u16 qid = mbx->req_virt->start_txq.tx_qid;
2054
51ff1725
RA		 2055 p_tlv->offset = qed_db_addr_vf(p_vf->vf_queues[qid].fw_cid,
2056 DQ_DEMS_LEGACY);
5040acf5
YM		 2057 }
2058
a044df83 2059 qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
5040acf5
YM		 2060}
2061
dacd88d6
YM		 2062static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
2063 struct qed_ptt *p_ptt,
2064 struct qed_vf_info *vf)
2065{
dacd88d6
YM		 2066 struct qed_queue_start_common_params params;
2067 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 2068 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 2069 struct vfpf_start_txq_tlv *req;
3da7a37a 2070 struct qed_vf_q_info *p_queue;
dacd88d6 2071 int rc;
3da7a37a 2072 u16 pq;
dacd88d6 2073
dacd88d6
YM		 2074 memset(&params, 0, sizeof(params));
2075 req = &mbx->req_virt->start_txq;
41086467 2076
f109c240
MY		 2077 if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid,
2078 QED_IOV_VALIDATE_Q_DISABLE) ||
41086467
YM		 2079 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
2080 goto out;
2081
3da7a37a
MY		 2082 /* Acquire a new queue-cid */
2083 p_queue = &vf->vf_queues[req->tx_qid];
2084
2085 params.queue_id = p_queue->fw_tx_qid;
dacd88d6 2086 params.vport_id = vf->vport_id;
3da7a37a 2087 params.stats_id = vf->abs_vf_id + 0x10;
dacd88d6
YM		 2088 params.sb = req->hw_sb;
2089 params.sb_idx = req->sb_index;
2090
3da7a37a
MY		 2091 p_queue->p_tx_cid = _qed_eth_queue_to_cid(p_hwfn,
2092 vf->opaque_fid,
2093 p_queue->fw_cid,
2094 req->tx_qid, &params);
2095 if (!p_queue->p_tx_cid)
2096 goto out;
dacd88d6 2097
b5a9ee7c 2098 pq = qed_get_cm_pq_idx_vf(p_hwfn, vf->relative_vf_id);
3da7a37a
MY		 2099 rc = qed_eth_txq_start_ramrod(p_hwfn, p_queue->p_tx_cid,
2100 req->pbl_addr, req->pbl_size, pq);
41086467 2101 if (rc) {
dacd88d6 2102 status = PFVF_STATUS_FAILURE;
3da7a37a
MY		 2103 qed_eth_queue_cid_release(p_hwfn, p_queue->p_tx_cid);
2104 p_queue->p_tx_cid = NULL;
41086467
YM		 2105 } else {
2106 status = PFVF_STATUS_SUCCESS;
41086467 2107 }
dacd88d6 2108
41086467 2109out:
5040acf5 2110 qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
dacd88d6
YM		 2111}
2112
2113static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
2114 struct qed_vf_info *vf,
4c4fa793 2115 u16 rxq_id, bool cqe_completion)
dacd88d6 2116{
3da7a37a 2117 struct qed_vf_q_info *p_queue;
dacd88d6 2118 int rc = 0;
dacd88d6 2119
4c4fa793
MY		 2120 if (!qed_iov_validate_rxq(p_hwfn, vf, rxq_id,
2121 QED_IOV_VALIDATE_Q_ENABLE)) {
2122 DP_VERBOSE(p_hwfn,
2123 QED_MSG_IOV,
2124 "VF[%d] Tried Closing Rx 0x%04x which is inactive\n",
2125 vf->relative_vf_id, rxq_id);
dacd88d6 2126 return -EINVAL;
4c4fa793 2127 }
dacd88d6 2128
4c4fa793 2129 p_queue = &vf->vf_queues[rxq_id];
3da7a37a 2130
4c4fa793
MY		 2131 rc = qed_eth_rx_queue_stop(p_hwfn,
2132 p_queue->p_rx_cid,
2133 false, cqe_completion);
2134 if (rc)
2135 return rc;
3da7a37a 2136
4c4fa793
MY		 2137 p_queue->p_rx_cid = NULL;
2138 vf->num_active_rxqs--;
dacd88d6 2139
4c4fa793 2140 return 0;
dacd88d6
YM		 2141}
2142
2143static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
4c4fa793 2144 struct qed_vf_info *vf, u16 txq_id)
dacd88d6 2145{
3da7a37a 2146 struct qed_vf_q_info *p_queue;
4c4fa793 2147 int rc = 0;
dacd88d6 2148
4c4fa793
MY		 2149 if (!qed_iov_validate_txq(p_hwfn, vf, txq_id,
2150 QED_IOV_VALIDATE_Q_ENABLE))
dacd88d6
YM		 2151 return -EINVAL;
2152
4c4fa793 2153 p_queue = &vf->vf_queues[txq_id];
dacd88d6 2154
4c4fa793
MY		 2155 rc = qed_eth_tx_queue_stop(p_hwfn, p_queue->p_tx_cid);
2156 if (rc)
2157 return rc;
3da7a37a 2158
4c4fa793 2159 p_queue->p_tx_cid = NULL;
3da7a37a 2160
4c4fa793 2161 return 0;
dacd88d6
YM		 2162}
2163
2164static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
2165 struct qed_ptt *p_ptt,
2166 struct qed_vf_info *vf)
2167{
2168 u16 length = sizeof(struct pfvf_def_resp_tlv);
2169 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
4c4fa793 2170 u8 status = PFVF_STATUS_FAILURE;
dacd88d6
YM		 2171 struct vfpf_stop_rxqs_tlv *req;
2172 int rc;
2173
4c4fa793
MY		 2174 /* There has never been an official driver that used this interface
2175 * for stopping multiple queues, and it is now considered deprecated.
2176 * Validate this isn't used here.
dacd88d6
YM		 2177 */
2178 req = &mbx->req_virt->stop_rxqs;
4c4fa793
MY		 2179 if (req->num_rxqs != 1) {
2180 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2181 "Odd; VF[%d] tried stopping multiple Rx queues\n",
2182 vf->relative_vf_id);
2183 status = PFVF_STATUS_NOT_SUPPORTED;
2184 goto out;
2185 }
dacd88d6 2186
4c4fa793
MY		 2187 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
2188 req->cqe_completion);
2189 if (!rc)
2190 status = PFVF_STATUS_SUCCESS;
2191out:
dacd88d6
YM		 2192 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
2193 length, status);
2194}
2195
2196static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
2197 struct qed_ptt *p_ptt,
2198 struct qed_vf_info *vf)
2199{
2200 u16 length = sizeof(struct pfvf_def_resp_tlv);
2201 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
4c4fa793 2202 u8 status = PFVF_STATUS_FAILURE;
dacd88d6
YM		 2203 struct vfpf_stop_txqs_tlv *req;
2204 int rc;
2205
4c4fa793
MY		 2206 /* There has never been an official driver that used this interface
2207 * for stopping multiple queues, and it is now considered deprecated.
2208 * Validate this isn't used here.
dacd88d6
YM		 2209 */
2210 req = &mbx->req_virt->stop_txqs;
4c4fa793
MY		 2211 if (req->num_txqs != 1) {
2212 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2213 "Odd; VF[%d] tried stopping multiple Tx queues\n",
2214 vf->relative_vf_id);
2215 status = PFVF_STATUS_NOT_SUPPORTED;
2216 goto out;
2217 }
2218 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid);
2219 if (!rc)
2220 status = PFVF_STATUS_SUCCESS;
dacd88d6 2221
4c4fa793 2222out:
dacd88d6
YM		 2223 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2224 length, status);
2225}
2226
17b235c1
YM		 2227static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2228 struct qed_ptt *p_ptt,
2229 struct qed_vf_info *vf)
2230{
3da7a37a 2231 struct qed_queue_cid *handlers[QED_MAX_VF_CHAINS_PER_PF];
17b235c1
YM		 2232 u16 length = sizeof(struct pfvf_def_resp_tlv);
2233 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2234 struct vfpf_update_rxq_tlv *req;
3da7a37a 2235 u8 status = PFVF_STATUS_FAILURE;
17b235c1
YM		 2236 u8 complete_event_flg;
2237 u8 complete_cqe_flg;
2238 u16 qid;
2239 int rc;
2240 u8 i;
2241
2242 req = &mbx->req_virt->update_rxq;
2243 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2244 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2245
3da7a37a 2246 /* Validate inputs */
f109c240
MY		 2247 for (i = req->rx_qid; i < req->rx_qid + req->num_rxqs; i++)
2248 if (!qed_iov_validate_rxq(p_hwfn, vf, i,
2249 QED_IOV_VALIDATE_Q_ENABLE)) {
2250 DP_INFO(p_hwfn, "VF[%d]: Incorrect Rxqs [%04x, %02x]\n",
2251 vf->relative_vf_id, req->rx_qid, req->num_rxqs);
3da7a37a 2252 goto out;
17b235c1
YM		 2253 }
2254
f109c240
MY		 2255 /* Prepare the handlers */
2256 for (i = 0; i < req->num_rxqs; i++) {
2257 qid = req->rx_qid + i;
3da7a37a 2258 handlers[i] = vf->vf_queues[qid].p_rx_cid;
17b235c1
YM		 2259 }
2260
3da7a37a
MY		 2261 rc = qed_sp_eth_rx_queues_update(p_hwfn, (void **)&handlers,
2262 req->num_rxqs,
2263 complete_cqe_flg,
2264 complete_event_flg,
2265 QED_SPQ_MODE_EBLOCK, NULL);
2266 if (rc)
2267 goto out;
2268
2269 status = PFVF_STATUS_SUCCESS;
2270out:
17b235c1
YM		 2271 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2272 length, status);
2273}
2274
dacd88d6
YM		 2275void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2276 void *p_tlvs_list, u16 req_type)
2277{
2278 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2279 int len = 0;
2280
2281 do {
2282 if (!p_tlv->length) {
2283 DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2284 return NULL;
2285 }
2286
2287 if (p_tlv->type == req_type) {
2288 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2289 "Extended tlv type %d, length %d found\n",
2290 p_tlv->type, p_tlv->length);
2291 return p_tlv;
2292 }
2293
2294 len += p_tlv->length;
2295 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2296
2297 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2298 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2299 return NULL;
2300 }
2301 } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2302
2303 return NULL;
2304}
2305
2306static void
2307qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2308 struct qed_sp_vport_update_params *p_data,
2309 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2310{
2311 struct vfpf_vport_update_activate_tlv *p_act_tlv;
2312 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2313
2314 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2315 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2316 if (!p_act_tlv)
2317 return;
2318
2319 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2320 p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2321 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2322 p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2323 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2324}
2325
17b235c1
YM		 2326static void
2327qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2328 struct qed_sp_vport_update_params *p_data,
2329 struct qed_vf_info *p_vf,
2330 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2331{
2332 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2333 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2334
2335 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2336 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2337 if (!p_vlan_tlv)
2338 return;
2339
08feecd7
YM		 2340 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2341
2342 /* Ignore the VF request if we're forcing a vlan */
1a635e48 2343 if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
08feecd7
YM		 2344 p_data->update_inner_vlan_removal_flg = 1;
2345 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2346 }
17b235c1
YM		 2347
2348 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2349}
2350
2351static void
2352qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2353 struct qed_sp_vport_update_params *p_data,
2354 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2355{
2356 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2357 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2358
2359 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2360 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2361 tlv);
2362 if (!p_tx_switch_tlv)
2363 return;
2364
2365 p_data->update_tx_switching_flg = 1;
2366 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2367 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2368}
2369
dacd88d6
YM		 2370static void
2371qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2372 struct qed_sp_vport_update_params *p_data,
2373 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2374{
2375 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2376 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2377
2378 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2379 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2380 if (!p_mcast_tlv)
2381 return;
2382
2383 p_data->update_approx_mcast_flg = 1;
2384 memcpy(p_data->bins, p_mcast_tlv->bins,
2385 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2386 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2387}
2388
2389static void
2390qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2391 struct qed_sp_vport_update_params *p_data,
2392 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2393{
2394 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2395 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2396 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2397
2398 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2399 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2400 if (!p_accept_tlv)
2401 return;
2402
2403 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2404 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2405 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2406 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2407 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2408}
2409
17b235c1
YM		 2410static void
2411qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2412 struct qed_sp_vport_update_params *p_data,
2413 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2414{
2415 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2416 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2417
2418 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2419 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2420 tlv);
2421 if (!p_accept_any_vlan)
2422 return;
2423
2424 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2425 p_data->update_accept_any_vlan_flg =
2426 p_accept_any_vlan->update_accept_any_vlan_flg;
2427 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2428}
2429
dacd88d6
YM		 2430static void
2431qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2432 struct qed_vf_info *vf,
2433 struct qed_sp_vport_update_params *p_data,
2434 struct qed_rss_params *p_rss,
f29ffdb6
MY		 2435 struct qed_iov_vf_mbx *p_mbx,
2436 u16 *tlvs_mask, u16 *tlvs_accepted)
dacd88d6
YM		 2437{
2438 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2439 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
f29ffdb6 2440 bool b_reject = false;
dacd88d6 2441 u16 table_size;
f29ffdb6 2442 u16 i, q_idx;
dacd88d6
YM		 2443
2444 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2445 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2446 if (!p_rss_tlv) {
2447 p_data->rss_params = NULL;
2448 return;
2449 }
2450
2451 memset(p_rss, 0, sizeof(struct qed_rss_params));
2452
2453 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2454 VFPF_UPDATE_RSS_CONFIG_FLAG);
2455 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2456 VFPF_UPDATE_RSS_CAPS_FLAG);
2457 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2458 VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2459 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2460 VFPF_UPDATE_RSS_KEY_FLAG);
2461
2462 p_rss->rss_enable = p_rss_tlv->rss_enable;
2463 p_rss->rss_eng_id = vf->relative_vf_id + 1;
2464 p_rss->rss_caps = p_rss_tlv->rss_caps;
2465 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
dacd88d6
YM		 2466 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2467
2468 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2469 (1 << p_rss_tlv->rss_table_size_log));
2470
dacd88d6 2471 for (i = 0; i < table_size; i++) {
f29ffdb6 2472 q_idx = p_rss_tlv->rss_ind_table[i];
f109c240
MY		 2473 if (!qed_iov_validate_rxq(p_hwfn, vf, q_idx,
2474 QED_IOV_VALIDATE_Q_ENABLE)) {
f29ffdb6
MY		 2475 DP_VERBOSE(p_hwfn,
2476 QED_MSG_IOV,
2477 "VF[%d]: Omitting RSS due to wrong queue %04x\n",
2478 vf->relative_vf_id, q_idx);
2479 b_reject = true;
2480 goto out;
2481 }
dacd88d6 2482
f29ffdb6 2483 p_rss->rss_ind_table[i] = vf->vf_queues[q_idx].p_rx_cid;
dacd88d6
YM		 2484 }
2485
2486 p_data->rss_params = p_rss;
f29ffdb6 2487out:
dacd88d6 2488 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
f29ffdb6
MY		 2489 if (!b_reject)
2490 *tlvs_accepted |= 1 << QED_IOV_VP_UPDATE_RSS;
dacd88d6
YM		 2491}
2492
17b235c1
YM		 2493static void
2494qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2495 struct qed_vf_info *vf,
2496 struct qed_sp_vport_update_params *p_data,
2497 struct qed_sge_tpa_params *p_sge_tpa,
2498 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2499{
2500 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2501 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2502
2503 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2504 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2505
2506 if (!p_sge_tpa_tlv) {
2507 p_data->sge_tpa_params = NULL;
2508 return;
2509 }
2510
2511 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2512
2513 p_sge_tpa->update_tpa_en_flg =
2514 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2515 p_sge_tpa->update_tpa_param_flg =
2516 !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2517 VFPF_UPDATE_TPA_PARAM_FLAG);
2518
2519 p_sge_tpa->tpa_ipv4_en_flg =
2520 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2521 p_sge_tpa->tpa_ipv6_en_flg =
2522 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2523 p_sge_tpa->tpa_pkt_split_flg =
2524 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2525 p_sge_tpa->tpa_hdr_data_split_flg =
2526 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2527 p_sge_tpa->tpa_gro_consistent_flg =
2528 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2529
2530 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2531 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2532 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2533 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2534 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2535
2536 p_data->sge_tpa_params = p_sge_tpa;
2537
2538 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2539}
2540
f990c82c
MY		 2541static int qed_iov_pre_update_vport(struct qed_hwfn *hwfn,
2542 u8 vfid,
2543 struct qed_sp_vport_update_params *params,
2544 u16 *tlvs)
2545{
2546 u8 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
2547 struct qed_filter_accept_flags *flags = &params->accept_flags;
2548 struct qed_public_vf_info *vf_info;
2549
2550 /* Untrusted VFs can't even be trusted to know that fact.
2551 * Simply indicate everything is configured fine, and trace
2552 * configuration 'behind their back'.
2553 */
2554 if (!(*tlvs & BIT(QED_IOV_VP_UPDATE_ACCEPT_PARAM)))
2555 return 0;
2556
2557 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
2558
2559 if (flags->update_rx_mode_config) {
2560 vf_info->rx_accept_mode = flags->rx_accept_filter;
2561 if (!vf_info->is_trusted_configured)
2562 flags->rx_accept_filter &= ~mask;
2563 }
2564
2565 if (flags->update_tx_mode_config) {
2566 vf_info->tx_accept_mode = flags->tx_accept_filter;
2567 if (!vf_info->is_trusted_configured)
2568 flags->tx_accept_filter &= ~mask;
2569 }
2570
2571 return 0;
2572}
2573
dacd88d6
YM		 2574static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2575 struct qed_ptt *p_ptt,
2576 struct qed_vf_info *vf)
2577{
f29ffdb6 2578 struct qed_rss_params *p_rss_params = NULL;
dacd88d6
YM		 2579 struct qed_sp_vport_update_params params;
2580 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
17b235c1 2581 struct qed_sge_tpa_params sge_tpa_params;
f29ffdb6 2582 u16 tlvs_mask = 0, tlvs_accepted = 0;
dacd88d6 2583 u8 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 2584 u16 length;
2585 int rc;
2586
41086467
YM		 2587 /* Valiate PF can send such a request */
2588 if (!vf->vport_instance) {
2589 DP_VERBOSE(p_hwfn,
2590 QED_MSG_IOV,
2591 "No VPORT instance available for VF[%d], failing vport update\n",
2592 vf->abs_vf_id);
2593 status = PFVF_STATUS_FAILURE;
2594 goto out;
2595 }
f29ffdb6
MY		 2596 p_rss_params = vzalloc(sizeof(*p_rss_params));
2597 if (p_rss_params == NULL) {
2598 status = PFVF_STATUS_FAILURE;
2599 goto out;
2600 }
41086467 2601
dacd88d6
YM		 2602 memset(&params, 0, sizeof(params));
2603 params.opaque_fid = vf->opaque_fid;
2604 params.vport_id = vf->vport_id;
2605 params.rss_params = NULL;
2606
2607 /* Search for extended tlvs list and update values
2608 * from VF in struct qed_sp_vport_update_params.
2609 */
2610 qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 2611 qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2612 qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
dacd88d6
YM		 2613 qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2614 qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 2615 qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2616 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2617 &sge_tpa_params, mbx, &tlvs_mask);
dacd88d6 2618
f29ffdb6
MY		 2619 tlvs_accepted = tlvs_mask;
2620
2621 /* Some of the extended TLVs need to be validated first; In that case,
2622 * they can update the mask without updating the accepted [so that
2623 * PF could communicate to VF it has rejected request].
dacd88d6 2624 */
f29ffdb6
MY		 2625 qed_iov_vp_update_rss_param(p_hwfn, vf, &params, p_rss_params,
2626 mbx, &tlvs_mask, &tlvs_accepted);
2627
f990c82c
MY		 2628 if (qed_iov_pre_update_vport(p_hwfn, vf->relative_vf_id,
2629 &params, &tlvs_accepted)) {
2630 tlvs_accepted = 0;
2631 status = PFVF_STATUS_NOT_SUPPORTED;
2632 goto out;
2633 }
2634
f29ffdb6
MY		 2635 if (!tlvs_accepted) {
2636 if (tlvs_mask)
2637 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2638 "Upper-layer prevents VF vport configuration\n");
2639 else
2640 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2641 "No feature tlvs found for vport update\n");
dacd88d6
YM		 2642 status = PFVF_STATUS_NOT_SUPPORTED;
2643 goto out;
2644 }
2645
2646 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2647
2648 if (rc)
2649 status = PFVF_STATUS_FAILURE;
2650
2651out:
f29ffdb6 2652 vfree(p_rss_params);
dacd88d6 2653 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
f29ffdb6 2654 tlvs_mask, tlvs_accepted);
dacd88d6
YM		 2655 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2656}
2657
8246d0b4
YM		 2658static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
2659 struct qed_vf_info *p_vf,
2660 struct qed_filter_ucast *p_params)
08feecd7
YM		 2661{
2662 int i;
2663
08feecd7
YM		 2664 /* First remove entries and then add new ones */
2665 if (p_params->opcode == QED_FILTER_REMOVE) {
2666 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2667 if (p_vf->shadow_config.vlans[i].used &&
2668 p_vf->shadow_config.vlans[i].vid ==
2669 p_params->vlan) {
2670 p_vf->shadow_config.vlans[i].used = false;
2671 break;
2672 }
2673 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2674 DP_VERBOSE(p_hwfn,
2675 QED_MSG_IOV,
2676 "VF [%d] - Tries to remove a non-existing vlan\n",
2677 p_vf->relative_vf_id);
2678 return -EINVAL;
2679 }
2680 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2681 p_params->opcode == QED_FILTER_FLUSH) {
2682 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2683 p_vf->shadow_config.vlans[i].used = false;
2684 }
2685
2686 /* In forced mode, we're willing to remove entries - but we don't add
2687 * new ones.
2688 */
1a635e48 2689 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
08feecd7
YM		 2690 return 0;
2691
2692 if (p_params->opcode == QED_FILTER_ADD ||
2693 p_params->opcode == QED_FILTER_REPLACE) {
2694 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2695 if (p_vf->shadow_config.vlans[i].used)
2696 continue;
2697
2698 p_vf->shadow_config.vlans[i].used = true;
2699 p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2700 break;
2701 }
2702
2703 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2704 DP_VERBOSE(p_hwfn,
2705 QED_MSG_IOV,
2706 "VF [%d] - Tries to configure more than %d vlan filters\n",
2707 p_vf->relative_vf_id,
2708 QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2709 return -EINVAL;
2710 }
2711 }
2712
2713 return 0;
2714}
2715
8246d0b4
YM		 2716static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
2717 struct qed_vf_info *p_vf,
2718 struct qed_filter_ucast *p_params)
2719{
2720 int i;
2721
2722 /* If we're in forced-mode, we don't allow any change */
1a635e48 2723 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
8246d0b4
YM		 2724 return 0;
2725
2726 /* First remove entries and then add new ones */
2727 if (p_params->opcode == QED_FILTER_REMOVE) {
2728 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2729 if (ether_addr_equal(p_vf->shadow_config.macs[i],
2730 p_params->mac)) {
0ee28e31 2731 eth_zero_addr(p_vf->shadow_config.macs[i]);
8246d0b4
YM		 2732 break;
2733 }
2734 }
2735
2736 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2737 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2738 "MAC isn't configured\n");
2739 return -EINVAL;
2740 }
2741 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2742 p_params->opcode == QED_FILTER_FLUSH) {
2743 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
0ee28e31 2744 eth_zero_addr(p_vf->shadow_config.macs[i]);
8246d0b4
YM		 2745 }
2746
2747 /* List the new MAC address */
2748 if (p_params->opcode != QED_FILTER_ADD &&
2749 p_params->opcode != QED_FILTER_REPLACE)
2750 return 0;
2751
2752 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2753 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
2754 ether_addr_copy(p_vf->shadow_config.macs[i],
2755 p_params->mac);
2756 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2757 "Added MAC at %d entry in shadow\n", i);
2758 break;
2759 }
2760 }
2761
2762 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2763 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
2764 return -EINVAL;
2765 }
2766
2767 return 0;
2768}
2769
2770static int
2771qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2772 struct qed_vf_info *p_vf,
2773 struct qed_filter_ucast *p_params)
2774{
2775 int rc = 0;
2776
2777 if (p_params->type == QED_FILTER_MAC) {
2778 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
2779 if (rc)
2780 return rc;
2781 }
2782
2783 if (p_params->type == QED_FILTER_VLAN)
2784 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
2785
2786 return rc;
2787}
2788
ba56947a
BX		 2789static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2790 int vfid, struct qed_filter_ucast *params)
dacd88d6
YM		 2791{
2792 struct qed_public_vf_info *vf;
2793
2794 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2795 if (!vf)
2796 return -EINVAL;
2797
2798 /* No real decision to make; Store the configured MAC */
2799 if (params->type == QED_FILTER_MAC ||
2800 params->type == QED_FILTER_MAC_VLAN)
2801 ether_addr_copy(vf->mac, params->mac);
2802
2803 return 0;
2804}
2805
2806static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2807 struct qed_ptt *p_ptt,
2808 struct qed_vf_info *vf)
2809{
08feecd7 2810 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
dacd88d6
YM		 2811 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2812 struct vfpf_ucast_filter_tlv *req;
2813 u8 status = PFVF_STATUS_SUCCESS;
2814 struct qed_filter_ucast params;
2815 int rc;
2816
2817 /* Prepare the unicast filter params */
2818 memset(&params, 0, sizeof(struct qed_filter_ucast));
2819 req = &mbx->req_virt->ucast_filter;
2820 params.opcode = (enum qed_filter_opcode)req->opcode;
2821 params.type = (enum qed_filter_ucast_type)req->type;
2822
2823 params.is_rx_filter = 1;
2824 params.is_tx_filter = 1;
2825 params.vport_to_remove_from = vf->vport_id;
2826 params.vport_to_add_to = vf->vport_id;
2827 memcpy(params.mac, req->mac, ETH_ALEN);
2828 params.vlan = req->vlan;
2829
2830 DP_VERBOSE(p_hwfn,
2831 QED_MSG_IOV,
2832 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2833 vf->abs_vf_id, params.opcode, params.type,
2834 params.is_rx_filter ? "RX" : "",
2835 params.is_tx_filter ? "TX" : "",
2836 params.vport_to_add_to,
2837 params.mac[0], params.mac[1],
2838 params.mac[2], params.mac[3],
2839 params.mac[4], params.mac[5], params.vlan);
2840
2841 if (!vf->vport_instance) {
2842 DP_VERBOSE(p_hwfn,
2843 QED_MSG_IOV,
2844 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2845 vf->abs_vf_id);
2846 status = PFVF_STATUS_FAILURE;
2847 goto out;
2848 }
2849
08feecd7
YM		 2850 /* Update shadow copy of the VF configuration */
2851 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2852 status = PFVF_STATUS_FAILURE;
2853 goto out;
2854 }
2855
2856 /* Determine if the unicast filtering is acceptible by PF */
1a635e48 2857 if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 2858 (params.type == QED_FILTER_VLAN ||
2859 params.type == QED_FILTER_MAC_VLAN)) {
2860 /* Once VLAN is forced or PVID is set, do not allow
2861 * to add/replace any further VLANs.
2862 */
2863 if (params.opcode == QED_FILTER_ADD ||
2864 params.opcode == QED_FILTER_REPLACE)
2865 status = PFVF_STATUS_FORCED;
2866 goto out;
2867 }
2868
1a635e48 2869 if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
eff16960
YM		 2870 (params.type == QED_FILTER_MAC ||
2871 params.type == QED_FILTER_MAC_VLAN)) {
2872 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2873 (params.opcode != QED_FILTER_ADD &&
2874 params.opcode != QED_FILTER_REPLACE))
2875 status = PFVF_STATUS_FORCED;
2876 goto out;
2877 }
2878
dacd88d6
YM		 2879 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2880 if (rc) {
2881 status = PFVF_STATUS_FAILURE;
2882 goto out;
2883 }
2884
2885 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2886 QED_SPQ_MODE_CB, NULL);
2887 if (rc)
2888 status = PFVF_STATUS_FAILURE;
2889
2890out:
2891 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2892 sizeof(struct pfvf_def_resp_tlv), status);
2893}
2894
0b55e27d
YM		 2895static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2896 struct qed_ptt *p_ptt,
2897 struct qed_vf_info *vf)
2898{
2899 int i;
2900
2901 /* Reset the SBs */
2902 for (i = 0; i < vf->num_sbs; i++)
2903 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2904 vf->igu_sbs[i],
2905 vf->opaque_fid, false);
2906
2907 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2908 sizeof(struct pfvf_def_resp_tlv),
2909 PFVF_STATUS_SUCCESS);
2910}
2911
2912static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2913 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2914{
2915 u16 length = sizeof(struct pfvf_def_resp_tlv);
2916 u8 status = PFVF_STATUS_SUCCESS;
2917
2918 /* Disable Interrupts for VF */
2919 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2920
2921 /* Reset Permission table */
2922 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2923
2924 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2925 length, status);
2926}
2927
2928static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2929 struct qed_ptt *p_ptt,
2930 struct qed_vf_info *p_vf)
2931{
2932 u16 length = sizeof(struct pfvf_def_resp_tlv);
1fe614d1
YM		 2933 u8 status = PFVF_STATUS_SUCCESS;
2934 int rc = 0;
0b55e27d
YM		 2935
2936 qed_iov_vf_cleanup(p_hwfn, p_vf);
2937
1fe614d1
YM		 2938 if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
2939 /* Stopping the VF */
2940 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
2941 p_vf->opaque_fid);
2942
2943 if (rc) {
2944 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
2945 rc);
2946 status = PFVF_STATUS_FAILURE;
2947 }
2948
2949 p_vf->state = VF_STOPPED;
2950 }
2951
0b55e27d 2952 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
1fe614d1 2953 length, status);
0b55e27d
YM		 2954}
2955
2956static int
2957qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2958 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2959{
2960 int cnt;
2961 u32 val;
2962
2963 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2964
2965 for (cnt = 0; cnt < 50; cnt++) {
2966 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2967 if (!val)
2968 break;
2969 msleep(20);
2970 }
2971 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2972
2973 if (cnt == 50) {
2974 DP_ERR(p_hwfn,
2975 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2976 p_vf->abs_vf_id, val);
2977 return -EBUSY;
2978 }
2979
2980 return 0;
2981}
2982
2983static int
2984qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2985 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2986{
2987 u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2988 int i, cnt;
2989
2990 /* Read initial consumers & producers */
2991 for (i = 0; i < MAX_NUM_VOQS; i++) {
2992 u32 prod;
2993
2994 cons[i] = qed_rd(p_hwfn, p_ptt,
2995 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2996 i * 0x40);
2997 prod = qed_rd(p_hwfn, p_ptt,
2998 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2999 i * 0x40);
3000 distance[i] = prod - cons[i];
3001 }
3002
3003 /* Wait for consumers to pass the producers */
3004 i = 0;
3005 for (cnt = 0; cnt < 50; cnt++) {
3006 for (; i < MAX_NUM_VOQS; i++) {
3007 u32 tmp;
3008
3009 tmp = qed_rd(p_hwfn, p_ptt,
3010 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
3011 i * 0x40);
3012 if (distance[i] > tmp - cons[i])
3013 break;
3014 }
3015
3016 if (i == MAX_NUM_VOQS)
3017 break;
3018
3019 msleep(20);
3020 }
3021
3022 if (cnt == 50) {
3023 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
3024 p_vf->abs_vf_id, i);
3025 return -EBUSY;
3026 }
3027
3028 return 0;
3029}
3030
3031static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
3032 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
3033{
3034 int rc;
3035
3036 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
3037 if (rc)
3038 return rc;
3039
3040 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
3041 if (rc)
3042 return rc;
3043
3044 return 0;
3045}
3046
3047static int
3048qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
3049 struct qed_ptt *p_ptt,
3050 u16 rel_vf_id, u32 *ack_vfs)
3051{
3052 struct qed_vf_info *p_vf;
3053 int rc = 0;
3054
3055 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
3056 if (!p_vf)
3057 return 0;
3058
3059 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
3060 (1ULL << (rel_vf_id % 64))) {
3061 u16 vfid = p_vf->abs_vf_id;
3062
3063 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3064 "VF[%d] - Handling FLR\n", vfid);
3065
3066 qed_iov_vf_cleanup(p_hwfn, p_vf);
3067
3068 /* If VF isn't active, no need for anything but SW */
3069 if (!p_vf->b_init)
3070 goto cleanup;
3071
3072 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
3073 if (rc)
3074 goto cleanup;
3075
3076 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
3077 if (rc) {
3078 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
3079 return rc;
3080 }
3081
7eff82b0
YM		 3082 /* Workaround to make VF-PF channel ready, as FW
3083 * doesn't do that as a part of FLR.
3084 */
3085 REG_WR(p_hwfn,
3086 GTT_BAR0_MAP_REG_USDM_RAM +
3087 USTORM_VF_PF_CHANNEL_READY_OFFSET(vfid), 1);
3088
0b55e27d
YM		 3089 /* VF_STOPPED has to be set only after final cleanup
3090 * but prior to re-enabling the VF.
3091 */
3092 p_vf->state = VF_STOPPED;
3093
3094 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
3095 if (rc) {
3096 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
3097 vfid);
3098 return rc;
3099 }
3100cleanup:
3101 /* Mark VF for ack and clean pending state */
3102 if (p_vf->state == VF_RESET)
3103 p_vf->state = VF_STOPPED;
1a635e48 3104 ack_vfs[vfid / 32] |= BIT((vfid % 32));
0b55e27d
YM		 3105 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
3106 ~(1ULL << (rel_vf_id % 64));
fd3c615a 3107 p_vf->vf_mbx.b_pending_msg = false;
0b55e27d
YM		 3108 }
3109
3110 return rc;
3111}
3112
ba56947a
BX		 3113static int
3114qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
0b55e27d
YM		 3115{
3116 u32 ack_vfs[VF_MAX_STATIC / 32];
3117 int rc = 0;
3118 u16 i;
3119
3120 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
3121
3122 /* Since BRB <-> PRS interface can't be tested as part of the flr
3123 * polling due to HW limitations, simply sleep a bit. And since
3124 * there's no need to wait per-vf, do it before looping.
3125 */
3126 msleep(100);
3127
3128 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
3129 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
3130
3131 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
3132 return rc;
3133}
3134
cccf6f5c 3135bool qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
0b55e27d 3136{
cccf6f5c
MY		 3137 bool found = false;
3138 u16 i;
0b55e27d
YM		 3139
3140 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
3141 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
3142 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3143 "[%08x,...,%08x]: %08x\n",
3144 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
3145
3146 if (!p_hwfn->cdev->p_iov_info) {
3147 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
cccf6f5c 3148 return false;
0b55e27d
YM		 3149 }
3150
3151 /* Mark VFs */
3152 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
3153 struct qed_vf_info *p_vf;
3154 u8 vfid;
3155
3156 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
3157 if (!p_vf)
3158 continue;
3159
3160 vfid = p_vf->abs_vf_id;
1a635e48 3161 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
0b55e27d
YM		 3162 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
3163 u16 rel_vf_id = p_vf->relative_vf_id;
3164
3165 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3166 "VF[%d] [rel %d] got FLR-ed\n",
3167 vfid, rel_vf_id);
3168
3169 p_vf->state = VF_RESET;
3170
3171 /* No need to lock here, since pending_flr should
3172 * only change here and before ACKing MFw. Since
3173 * MFW will not trigger an additional attention for
3174 * VF flr until ACKs, we're safe.
3175 */
3176 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
cccf6f5c 3177 found = true;
0b55e27d
YM		 3178 }
3179 }
3180
3181 return found;
3182}
3183
73390ac9
YM		 3184static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
3185 u16 vfid,
3186 struct qed_mcp_link_params *p_params,
3187 struct qed_mcp_link_state *p_link,
3188 struct qed_mcp_link_capabilities *p_caps)
3189{
3190 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
3191 vfid,
3192 false);
3193 struct qed_bulletin_content *p_bulletin;
3194
3195 if (!p_vf)
3196 return;
3197
3198 p_bulletin = p_vf->bulletin.p_virt;
3199
3200 if (p_params)
3201 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
3202 if (p_link)
3203 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
3204 if (p_caps)
3205 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
3206}
3207
37bff2b9
YM		 3208static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
3209 struct qed_ptt *p_ptt, int vfid)
3210{
3211 struct qed_iov_vf_mbx *mbx;
3212 struct qed_vf_info *p_vf;
37bff2b9
YM		 3213
3214 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3215 if (!p_vf)
3216 return;
3217
3218 mbx = &p_vf->vf_mbx;
3219
3220 /* qed_iov_process_mbx_request */
fd3c615a
MY		 3221 if (!mbx->b_pending_msg) {
3222 DP_NOTICE(p_hwfn,
3223 "VF[%02x]: Trying to process mailbox message when none is pending\n",
3224 p_vf->abs_vf_id);
3225 return;
3226 }
3227 mbx->b_pending_msg = false;
37bff2b9
YM		 3228
3229 mbx->first_tlv = mbx->req_virt->first_tlv;
3230
fd3c615a
MY		 3231 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3232 "VF[%02x]: Processing mailbox message [type %04x]\n",
3233 p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3234
37bff2b9 3235 /* check if tlv type is known */
7eff82b0
YM		 3236 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type) &&
3237 !p_vf->b_malicious) {
1408cc1f
YM		 3238 switch (mbx->first_tlv.tl.type) {
3239 case CHANNEL_TLV_ACQUIRE:
3240 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
3241 break;
dacd88d6
YM		 3242 case CHANNEL_TLV_VPORT_START:
3243 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
3244 break;
3245 case CHANNEL_TLV_VPORT_TEARDOWN:
3246 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
3247 break;
3248 case CHANNEL_TLV_START_RXQ:
3249 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
3250 break;
3251 case CHANNEL_TLV_START_TXQ:
3252 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
3253 break;
3254 case CHANNEL_TLV_STOP_RXQS:
3255 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
3256 break;
3257 case CHANNEL_TLV_STOP_TXQS:
3258 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
3259 break;
17b235c1
YM		 3260 case CHANNEL_TLV_UPDATE_RXQ:
3261 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
3262 break;
dacd88d6
YM		 3263 case CHANNEL_TLV_VPORT_UPDATE:
3264 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
3265 break;
3266 case CHANNEL_TLV_UCAST_FILTER:
3267 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
3268 break;
0b55e27d
YM		 3269 case CHANNEL_TLV_CLOSE:
3270 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
3271 break;
3272 case CHANNEL_TLV_INT_CLEANUP:
3273 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
3274 break;
3275 case CHANNEL_TLV_RELEASE:
3276 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
3277 break;
1408cc1f 3278 }
7eff82b0
YM		 3279 } else if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
3280 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3281 "VF [%02x] - considered malicious; Ignoring TLV [%04x]\n",
3282 p_vf->abs_vf_id, mbx->first_tlv.tl.type);
3283
3284 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3285 mbx->first_tlv.tl.type,
3286 sizeof(struct pfvf_def_resp_tlv),
3287 PFVF_STATUS_MALICIOUS);
37bff2b9
YM		 3288 } else {
3289 /* unknown TLV - this may belong to a VF driver from the future
3290 * - a version written after this PF driver was written, which
3291 * supports features unknown as of yet. Too bad since we don't
3292 * support them. Or this may be because someone wrote a crappy
3293 * VF driver and is sending garbage over the channel.
3294 */
54fdd80f
YM		 3295 DP_NOTICE(p_hwfn,
3296 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
3297 p_vf->abs_vf_id,
3298 mbx->first_tlv.tl.type,
3299 mbx->first_tlv.tl.length,
3300 mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3301
3302 /* Try replying in case reply address matches the acquisition's
3303 * posted address.
3304 */
3305 if (p_vf->acquire.first_tlv.reply_address &&
3306 (mbx->first_tlv.reply_address ==
3307 p_vf->acquire.first_tlv.reply_address)) {
3308 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3309 mbx->first_tlv.tl.type,
3310 sizeof(struct pfvf_def_resp_tlv),
3311 PFVF_STATUS_NOT_SUPPORTED);
3312 } else {
37bff2b9
YM		 3313 DP_VERBOSE(p_hwfn,
3314 QED_MSG_IOV,
54fdd80f
YM		 3315 "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3316 p_vf->abs_vf_id);
37bff2b9
YM		 3317 }
3318 }
3319}
3320
fd3c615a 3321void qed_iov_pf_get_pending_events(struct qed_hwfn *p_hwfn, u64 *events)
37bff2b9 3322{
fd3c615a 3323 int i;
37bff2b9 3324
fd3c615a 3325 memset(events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
37bff2b9 3326
fd3c615a
MY		 3327 qed_for_each_vf(p_hwfn, i) {
3328 struct qed_vf_info *p_vf;
37bff2b9 3329
fd3c615a
MY		 3330 p_vf = &p_hwfn->pf_iov_info->vfs_array[i];
3331 if (p_vf->vf_mbx.b_pending_msg)
3332 events[i / 64] |= 1ULL << (i % 64);
3333 }
37bff2b9
YM		 3334}
3335
7eff82b0
YM		 3336static struct qed_vf_info *qed_sriov_get_vf_from_absid(struct qed_hwfn *p_hwfn,
3337 u16 abs_vfid)
37bff2b9 3338{
7eff82b0 3339 u8 min = (u8) p_hwfn->cdev->p_iov_info->first_vf_in_pf;
37bff2b9 3340
7eff82b0 3341 if (!_qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min, false)) {
37bff2b9
YM		 3342 DP_VERBOSE(p_hwfn,
3343 QED_MSG_IOV,
7eff82b0 3344 "Got indication for VF [abs 0x%08x] that cannot be handled by PF\n",
37bff2b9 3345 abs_vfid);
7eff82b0 3346 return NULL;
37bff2b9 3347 }
7eff82b0
YM		 3348
3349 return &p_hwfn->pf_iov_info->vfs_array[(u8) abs_vfid - min];
3350}
3351
3352static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3353 u16 abs_vfid, struct regpair *vf_msg)
3354{
3355 struct qed_vf_info *p_vf = qed_sriov_get_vf_from_absid(p_hwfn,
3356 abs_vfid);
3357
3358 if (!p_vf)
3359 return 0;
37bff2b9
YM		 3360
3361 /* List the physical address of the request so that handler
3362 * could later on copy the message from it.
3363 */
3364 p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3365
3366 /* Mark the event and schedule the workqueue */
fd3c615a 3367 p_vf->vf_mbx.b_pending_msg = true;
37bff2b9
YM		 3368 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3369
3370 return 0;
3371}
3372
7eff82b0
YM		 3373static void qed_sriov_vfpf_malicious(struct qed_hwfn *p_hwfn,
3374 struct malicious_vf_eqe_data *p_data)
3375{
3376 struct qed_vf_info *p_vf;
3377
3378 p_vf = qed_sriov_get_vf_from_absid(p_hwfn, p_data->vf_id);
3379
3380 if (!p_vf)
3381 return;
3382
e99a21cb
MY		 3383 if (!p_vf->b_malicious) {
3384 DP_NOTICE(p_hwfn,
3385 "VF [%d] - Malicious behavior [%02x]\n",
3386 p_vf->abs_vf_id, p_data->err_id);
7eff82b0 3387
e99a21cb
MY		 3388 p_vf->b_malicious = true;
3389 } else {
3390 DP_INFO(p_hwfn,
3391 "VF [%d] - Malicious behavior [%02x]\n",
3392 p_vf->abs_vf_id, p_data->err_id);
3393 }
7eff82b0
YM		 3394}
3395
37bff2b9
YM		 3396int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
3397 u8 opcode, __le16 echo, union event_ring_data *data)
3398{
3399 switch (opcode) {
3400 case COMMON_EVENT_VF_PF_CHANNEL:
3401 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
3402 &data->vf_pf_channel.msg_addr);
7eff82b0
YM		 3403 case COMMON_EVENT_MALICIOUS_VF:
3404 qed_sriov_vfpf_malicious(p_hwfn, &data->malicious_vf);
3405 return 0;
37bff2b9
YM		 3406 default:
3407 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
3408 opcode);
3409 return -EINVAL;
3410 }
3411}
3412
32a47e72
YM		 3413u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3414{
3415 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
3416 u16 i;
3417
3418 if (!p_iov)
3419 goto out;
3420
3421 for (i = rel_vf_id; i < p_iov->total_vfs; i++)
7eff82b0 3422 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true, false))
32a47e72
YM		 3423 return i;
3424
3425out:
3426 return MAX_NUM_VFS;
3427}
37bff2b9
YM		 3428
3429static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
3430 int vfid)
3431{
3432 struct qed_dmae_params params;
3433 struct qed_vf_info *vf_info;
3434
3435 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3436 if (!vf_info)
3437 return -EINVAL;
3438
3439 memset(&params, 0, sizeof(struct qed_dmae_params));
3440 params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
3441 params.src_vfid = vf_info->abs_vf_id;
3442
3443 if (qed_dmae_host2host(p_hwfn, ptt,
3444 vf_info->vf_mbx.pending_req,
3445 vf_info->vf_mbx.req_phys,
3446 sizeof(union vfpf_tlvs) / 4, &params)) {
3447 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3448 "Failed to copy message from VF 0x%02x\n", vfid);
3449
3450 return -EIO;
3451 }
3452
3453 return 0;
3454}
3455
eff16960
YM		 3456static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
3457 u8 *mac, int vfid)
3458{
3459 struct qed_vf_info *vf_info;
3460 u64 feature;
3461
3462 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3463 if (!vf_info) {
3464 DP_NOTICE(p_hwfn->cdev,
3465 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3466 return;
3467 }
3468
7eff82b0
YM		 3469 if (vf_info->b_malicious) {
3470 DP_NOTICE(p_hwfn->cdev,
3471 "Can't set forced MAC to malicious VF [%d]\n", vfid);
3472 return;
3473 }
3474
eff16960
YM		 3475 feature = 1 << MAC_ADDR_FORCED;
3476 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
3477
3478 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3479 /* Forced MAC will disable MAC_ADDR */
1a635e48 3480 vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
eff16960
YM		 3481
3482 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3483}
3484
ba56947a
BX		 3485static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
3486 u16 pvid, int vfid)
08feecd7
YM		 3487{
3488 struct qed_vf_info *vf_info;
3489 u64 feature;
3490
3491 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3492 if (!vf_info) {
3493 DP_NOTICE(p_hwfn->cdev,
3494 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3495 return;
3496 }
3497
7eff82b0
YM		 3498 if (vf_info->b_malicious) {
3499 DP_NOTICE(p_hwfn->cdev,
3500 "Can't set forced vlan to malicious VF [%d]\n", vfid);
3501 return;
3502 }
3503
08feecd7
YM		 3504 feature = 1 << VLAN_ADDR_FORCED;
3505 vf_info->bulletin.p_virt->pvid = pvid;
3506 if (pvid)
3507 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3508 else
3509 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
3510
3511 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3512}
3513
6ddc7608
YM		 3514static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
3515{
3516 struct qed_vf_info *p_vf_info;
3517
3518 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3519 if (!p_vf_info)
3520 return false;
3521
3522 return !!p_vf_info->vport_instance;
3523}
3524
ba56947a 3525static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
0b55e27d
YM		 3526{
3527 struct qed_vf_info *p_vf_info;
3528
3529 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3530 if (!p_vf_info)
3531 return true;
3532
3533 return p_vf_info->state == VF_STOPPED;
3534}
3535
73390ac9
YM		 3536static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
3537{
3538 struct qed_vf_info *vf_info;
3539
3540 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3541 if (!vf_info)
3542 return false;
3543
3544 return vf_info->spoof_chk;
3545}
3546
ba56947a 3547static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
6ddc7608
YM		 3548{
3549 struct qed_vf_info *vf;
3550 int rc = -EINVAL;
3551
3552 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3553 DP_NOTICE(p_hwfn,
3554 "SR-IOV sanity check failed, can't set spoofchk\n");
3555 goto out;
3556 }
3557
3558 vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3559 if (!vf)
3560 goto out;
3561
3562 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
3563 /* After VF VPORT start PF will configure spoof check */
3564 vf->req_spoofchk_val = val;
3565 rc = 0;
3566 goto out;
3567 }
3568
3569 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
3570
3571out:
3572 return rc;
3573}
3574
eff16960
YM		 3575static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
3576 u16 rel_vf_id)
3577{
3578 struct qed_vf_info *p_vf;
3579
3580 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3581 if (!p_vf || !p_vf->bulletin.p_virt)
3582 return NULL;
3583
1a635e48 3584 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
eff16960
YM		 3585 return NULL;
3586
3587 return p_vf->bulletin.p_virt->mac;
3588}
3589
ba56947a
BX		 3590static u16
3591qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
08feecd7
YM		 3592{
3593 struct qed_vf_info *p_vf;
3594
3595 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3596 if (!p_vf || !p_vf->bulletin.p_virt)
3597 return 0;
3598
1a635e48 3599 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
08feecd7
YM		 3600 return 0;
3601
3602 return p_vf->bulletin.p_virt->pvid;
3603}
3604
733def6a
YM		 3605static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
3606 struct qed_ptt *p_ptt, int vfid, int val)
3607{
3608 struct qed_vf_info *vf;
3609 u8 abs_vp_id = 0;
3610 int rc;
3611
3612 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3613 if (!vf)
3614 return -EINVAL;
3615
3616 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
3617 if (rc)
3618 return rc;
3619
3620 return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
3621}
3622
ba56947a
BX		 3623static int
3624qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
733def6a
YM		 3625{
3626 struct qed_vf_info *vf;
3627 u8 vport_id;
3628 int i;
3629
3630 for_each_hwfn(cdev, i) {
3631 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3632
3633 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3634 DP_NOTICE(p_hwfn,
3635 "SR-IOV sanity check failed, can't set min rate\n");
3636 return -EINVAL;
3637 }
3638 }
3639
3640 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
3641 vport_id = vf->vport_id;
3642
3643 return qed_configure_vport_wfq(cdev, vport_id, rate);
3644}
3645
73390ac9
YM		 3646static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
3647{
3648 struct qed_wfq_data *vf_vp_wfq;
3649 struct qed_vf_info *vf_info;
3650
3651 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3652 if (!vf_info)
3653 return 0;
3654
3655 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
3656
3657 if (vf_vp_wfq->configured)
3658 return vf_vp_wfq->min_speed;
3659 else
3660 return 0;
3661}
3662
37bff2b9
YM		 3663/**
3664 * qed_schedule_iov - schedules IOV task for VF and PF
3665 * @hwfn: hardware function pointer
3666 * @flag: IOV flag for VF/PF
3667 */
3668void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3669{
3670 smp_mb__before_atomic();
3671 set_bit(flag, &hwfn->iov_task_flags);
3672 smp_mb__after_atomic();
3673 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3674 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3675}
3676
1408cc1f
YM		 3677void qed_vf_start_iov_wq(struct qed_dev *cdev)
3678{
3679 int i;
3680
3681 for_each_hwfn(cdev, i)
3682 queue_delayed_work(cdev->hwfns[i].iov_wq,
3683 &cdev->hwfns[i].iov_task, 0);
3684}
3685
0b55e27d
YM		 3686int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3687{
3688 int i, j;
3689
3690 for_each_hwfn(cdev, i)
3691 if (cdev->hwfns[i].iov_wq)
3692 flush_workqueue(cdev->hwfns[i].iov_wq);
3693
3694 /* Mark VFs for disablement */
3695 qed_iov_set_vfs_to_disable(cdev, true);
3696
3697 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3698 pci_disable_sriov(cdev->pdev);
3699
3700 for_each_hwfn(cdev, i) {
3701 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3702 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3703
3704 /* Failure to acquire the ptt in 100g creates an odd error
3705 * where the first engine has already relased IOV.
3706 */
3707 if (!ptt) {
3708 DP_ERR(hwfn, "Failed to acquire ptt\n");
3709 return -EBUSY;
3710 }
3711
733def6a
YM		 3712 /* Clean WFQ db and configure equal weight for all vports */
3713 qed_clean_wfq_db(hwfn, ptt);
3714
0b55e27d
YM		 3715 qed_for_each_vf(hwfn, j) {
3716 int k;
3717
7eff82b0 3718 if (!qed_iov_is_valid_vfid(hwfn, j, true, false))
0b55e27d
YM		 3719 continue;
3720
3721 /* Wait until VF is disabled before releasing */
3722 for (k = 0; k < 100; k++) {
3723 if (!qed_iov_is_vf_stopped(hwfn, j))
3724 msleep(20);
3725 else
3726 break;
3727 }
3728
3729 if (k < 100)
3730 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3731 ptt, j);
3732 else
3733 DP_ERR(hwfn,
3734 "Timeout waiting for VF's FLR to end\n");
3735 }
3736
3737 qed_ptt_release(hwfn, ptt);
3738 }
3739
3740 qed_iov_set_vfs_to_disable(cdev, false);
3741
3742 return 0;
3743}
3744
3da7a37a
MY		 3745static void qed_sriov_enable_qid_config(struct qed_hwfn *hwfn,
3746 u16 vfid,
3747 struct qed_iov_vf_init_params *params)
3748{
3749 u16 base, i;
3750
3751 /* Since we have an equal resource distribution per-VF, and we assume
3752 * PF has acquired the QED_PF_L2_QUE first queues, we start setting
3753 * sequentially from there.
3754 */
3755 base = FEAT_NUM(hwfn, QED_PF_L2_QUE) + vfid * params->num_queues;
3756
3757 params->rel_vf_id = vfid;
3758 for (i = 0; i < params->num_queues; i++) {
3759 params->req_rx_queue[i] = base + i;
3760 params->req_tx_queue[i] = base + i;
3761 }
3762}
3763
0b55e27d
YM		 3764static int qed_sriov_enable(struct qed_dev *cdev, int num)
3765{
3da7a37a 3766 struct qed_iov_vf_init_params params;
0b55e27d
YM		 3767 int i, j, rc;
3768
3769 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3770 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3771 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3772 return -EINVAL;
3773 }
3774
3da7a37a
MY		 3775 memset(&params, 0, sizeof(params));
3776
0b55e27d
YM		 3777 /* Initialize HW for VF access */
3778 for_each_hwfn(cdev, j) {
3779 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3780 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
5a1f965a
MY		 3781
3782 /* Make sure not to use more than 16 queues per VF */
3da7a37a
MY		 3783 params.num_queues = min_t(int,
3784 FEAT_NUM(hwfn, QED_VF_L2_QUE) / num,
3785 16);
0b55e27d
YM		 3786
3787 if (!ptt) {
3788 DP_ERR(hwfn, "Failed to acquire ptt\n");
3789 rc = -EBUSY;
3790 goto err;
3791 }
3792
0b55e27d 3793 for (i = 0; i < num; i++) {
7eff82b0 3794 if (!qed_iov_is_valid_vfid(hwfn, i, false, true))
0b55e27d
YM		 3795 continue;
3796
3da7a37a
MY		 3797 qed_sriov_enable_qid_config(hwfn, i, &params);
3798 rc = qed_iov_init_hw_for_vf(hwfn, ptt, &params);
0b55e27d
YM		 3799 if (rc) {
3800 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3801 qed_ptt_release(hwfn, ptt);
3802 goto err;
3803 }
3804 }
3805
3806 qed_ptt_release(hwfn, ptt);
3807 }
3808
3809 /* Enable SRIOV PCIe functions */
3810 rc = pci_enable_sriov(cdev->pdev, num);
3811 if (rc) {
3812 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3813 goto err;
3814 }
3815
3816 return num;
3817
3818err:
3819 qed_sriov_disable(cdev, false);
3820 return rc;
3821}
3822
3823static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3824{
3825 if (!IS_QED_SRIOV(cdev)) {
3826 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3827 return -EOPNOTSUPP;
3828 }
3829
3830 if (num_vfs_param)
3831 return qed_sriov_enable(cdev, num_vfs_param);
3832 else
3833 return qed_sriov_disable(cdev, true);
3834}
3835
eff16960
YM		 3836static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3837{
3838 int i;
3839
3840 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3841 DP_VERBOSE(cdev, QED_MSG_IOV,
3842 "Cannot set a VF MAC; Sriov is not enabled\n");
3843 return -EINVAL;
3844 }
3845
7eff82b0 3846 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
eff16960
YM		 3847 DP_VERBOSE(cdev, QED_MSG_IOV,
3848 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3849 return -EINVAL;
3850 }
3851
3852 for_each_hwfn(cdev, i) {
3853 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3854 struct qed_public_vf_info *vf_info;
3855
3856 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3857 if (!vf_info)
3858 continue;
3859
3860 /* Set the forced MAC, and schedule the IOV task */
3861 ether_addr_copy(vf_info->forced_mac, mac);
3862 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3863 }
3864
3865 return 0;
3866}
3867
08feecd7
YM		 3868static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3869{
3870 int i;
3871
3872 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3873 DP_VERBOSE(cdev, QED_MSG_IOV,
3874 "Cannot set a VF MAC; Sriov is not enabled\n");
3875 return -EINVAL;
3876 }
3877
7eff82b0 3878 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true, true)) {
08feecd7
YM		 3879 DP_VERBOSE(cdev, QED_MSG_IOV,
3880 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3881 return -EINVAL;
3882 }
3883
3884 for_each_hwfn(cdev, i) {
3885 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3886 struct qed_public_vf_info *vf_info;
3887
3888 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3889 if (!vf_info)
3890 continue;
3891
3892 /* Set the forced vlan, and schedule the IOV task */
3893 vf_info->forced_vlan = vid;
3894 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3895 }
3896
3897 return 0;
3898}
3899
73390ac9
YM		 3900static int qed_get_vf_config(struct qed_dev *cdev,
3901 int vf_id, struct ifla_vf_info *ivi)
3902{
3903 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3904 struct qed_public_vf_info *vf_info;
3905 struct qed_mcp_link_state link;
3906 u32 tx_rate;
3907
3908 /* Sanitize request */
3909 if (IS_VF(cdev))
3910 return -EINVAL;
3911
7eff82b0 3912 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, false)) {
73390ac9
YM		 3913 DP_VERBOSE(cdev, QED_MSG_IOV,
3914 "VF index [%d] isn't active\n", vf_id);
3915 return -EINVAL;
3916 }
3917
3918 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3919
3920 qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3921
3922 /* Fill information about VF */
3923 ivi->vf = vf_id;
3924
3925 if (is_valid_ether_addr(vf_info->forced_mac))
3926 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3927 else
3928 ether_addr_copy(ivi->mac, vf_info->mac);
3929
3930 ivi->vlan = vf_info->forced_vlan;
3931 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3932 ivi->linkstate = vf_info->link_state;
3933 tx_rate = vf_info->tx_rate;
3934 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3935 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3936
3937 return 0;
3938}
3939
36558c3d
YM		 3940void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3941{
e50728ef 3942 struct qed_hwfn *lead_hwfn = QED_LEADING_HWFN(hwfn->cdev);
36558c3d
YM		 3943 struct qed_mcp_link_capabilities caps;
3944 struct qed_mcp_link_params params;
3945 struct qed_mcp_link_state link;
3946 int i;
3947
3948 if (!hwfn->pf_iov_info)
3949 return;
3950
3951 /* Update bulletin of all future possible VFs with link configuration */
3952 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
733def6a
YM		 3953 struct qed_public_vf_info *vf_info;
3954
3955 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3956 if (!vf_info)
3957 continue;
3958
e50728ef
MY		 3959 /* Only hwfn0 is actually interested in the link speed.
3960 * But since only it would receive an MFW indication of link,
3961 * need to take configuration from it - otherwise things like
3962 * rate limiting for hwfn1 VF would not work.
3963 */
3964 memcpy(&params, qed_mcp_get_link_params(lead_hwfn),
3965 sizeof(params));
3966 memcpy(&link, qed_mcp_get_link_state(lead_hwfn), sizeof(link));
3967 memcpy(&caps, qed_mcp_get_link_capabilities(lead_hwfn),
36558c3d
YM		 3968 sizeof(caps));
3969
733def6a
YM		 3970 /* Modify link according to the VF's configured link state */
3971 switch (vf_info->link_state) {
3972 case IFLA_VF_LINK_STATE_DISABLE:
3973 link.link_up = false;
3974 break;
3975 case IFLA_VF_LINK_STATE_ENABLE:
3976 link.link_up = true;
3977 /* Set speed according to maximum supported by HW.
3978 * that is 40G for regular devices and 100G for CMT
3979 * mode devices.
3980 */
3981 link.speed = (hwfn->cdev->num_hwfns > 1) ?
3982 100000 : 40000;
3983 default:
3984 /* In auto mode pass PF link image to VF */
3985 break;
3986 }
3987
3988 if (link.link_up && vf_info->tx_rate) {
3989 struct qed_ptt *ptt;
3990 int rate;
3991
3992 rate = min_t(int, vf_info->tx_rate, link.speed);
3993
3994 ptt = qed_ptt_acquire(hwfn);
3995 if (!ptt) {
3996 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3997 return;
3998 }
3999
4000 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
4001 vf_info->tx_rate = rate;
4002 link.speed = rate;
4003 }
4004
4005 qed_ptt_release(hwfn, ptt);
4006 }
4007
36558c3d
YM		 4008 qed_iov_set_link(hwfn, i, &params, &link, &caps);
4009 }
4010
4011 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4012}
4013
733def6a
YM		 4014static int qed_set_vf_link_state(struct qed_dev *cdev,
4015 int vf_id, int link_state)
4016{
4017 int i;
4018
4019 /* Sanitize request */
4020 if (IS_VF(cdev))
4021 return -EINVAL;
4022
7eff82b0 4023 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true, true)) {
733def6a
YM		 4024 DP_VERBOSE(cdev, QED_MSG_IOV,
4025 "VF index [%d] isn't active\n", vf_id);
4026 return -EINVAL;
4027 }
4028
4029 /* Handle configuration of link state */
4030 for_each_hwfn(cdev, i) {
4031 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4032 struct qed_public_vf_info *vf;
4033
4034 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
4035 if (!vf)
4036 continue;
4037
4038 if (vf->link_state == link_state)
4039 continue;
4040
4041 vf->link_state = link_state;
4042 qed_inform_vf_link_state(&cdev->hwfns[i]);
4043 }
4044
4045 return 0;
4046}
4047
6ddc7608
YM		 4048static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
4049{
4050 int i, rc = -EINVAL;
4051
4052 for_each_hwfn(cdev, i) {
4053 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4054
4055 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
4056 if (rc)
4057 break;
4058 }
4059
4060 return rc;
4061}
4062
733def6a
YM		 4063static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
4064{
4065 int i;
4066
4067 for_each_hwfn(cdev, i) {
4068 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4069 struct qed_public_vf_info *vf;
4070
4071 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
4072 DP_NOTICE(p_hwfn,
4073 "SR-IOV sanity check failed, can't set tx rate\n");
4074 return -EINVAL;
4075 }
4076
4077 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
4078
4079 vf->tx_rate = rate;
4080
4081 qed_inform_vf_link_state(p_hwfn);
4082 }
4083
4084 return 0;
4085}
4086
4087static int qed_set_vf_rate(struct qed_dev *cdev,
4088 int vfid, u32 min_rate, u32 max_rate)
4089{
4090 int rc_min = 0, rc_max = 0;
4091
4092 if (max_rate)
4093 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
4094
4095 if (min_rate)
4096 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
4097
4098 if (rc_max | rc_min)
4099 return -EINVAL;
4100
4101 return 0;
4102}
4103
f990c82c
MY		 4104static int qed_set_vf_trust(struct qed_dev *cdev, int vfid, bool trust)
4105{
4106 int i;
4107
4108 for_each_hwfn(cdev, i) {
4109 struct qed_hwfn *hwfn = &cdev->hwfns[i];
4110 struct qed_public_vf_info *vf;
4111
4112 if (!qed_iov_pf_sanity_check(hwfn, vfid)) {
4113 DP_NOTICE(hwfn,
4114 "SR-IOV sanity check failed, can't set trust\n");
4115 return -EINVAL;
4116 }
4117
4118 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
4119
4120 if (vf->is_trusted_request == trust)
4121 return 0;
4122 vf->is_trusted_request = trust;
4123
4124 qed_schedule_iov(hwfn, QED_IOV_WQ_TRUST_FLAG);
4125 }
4126
4127 return 0;
4128}
4129
37bff2b9
YM		 4130static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
4131{
4132 u64 events[QED_VF_ARRAY_LENGTH];
4133 struct qed_ptt *ptt;
4134 int i;
4135
4136 ptt = qed_ptt_acquire(hwfn);
4137 if (!ptt) {
4138 DP_VERBOSE(hwfn, QED_MSG_IOV,
4139 "Can't acquire PTT; re-scheduling\n");
4140 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
4141 return;
4142 }
4143
fd3c615a 4144 qed_iov_pf_get_pending_events(hwfn, events);
37bff2b9
YM		 4145
4146 DP_VERBOSE(hwfn, QED_MSG_IOV,
4147 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
4148 events[0], events[1], events[2]);
4149
4150 qed_for_each_vf(hwfn, i) {
4151 /* Skip VFs with no pending messages */
4152 if (!(events[i / 64] & (1ULL << (i % 64))))
4153 continue;
4154
4155 DP_VERBOSE(hwfn, QED_MSG_IOV,
4156 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
4157 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4158
4159 /* Copy VF's message to PF's request buffer for that VF */
4160 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
4161 continue;
4162
4163 qed_iov_process_mbx_req(hwfn, ptt, i);
4164 }
4165
4166 qed_ptt_release(hwfn, ptt);
4167}
4168
08feecd7
YM		 4169static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
4170{
4171 int i;
4172
4173 qed_for_each_vf(hwfn, i) {
4174 struct qed_public_vf_info *info;
4175 bool update = false;
eff16960 4176 u8 *mac;
08feecd7
YM		 4177
4178 info = qed_iov_get_public_vf_info(hwfn, i, true);
4179 if (!info)
4180 continue;
4181
4182 /* Update data on bulletin board */
eff16960
YM		 4183 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
4184 if (is_valid_ether_addr(info->forced_mac) &&
4185 (!mac || !ether_addr_equal(mac, info->forced_mac))) {
4186 DP_VERBOSE(hwfn,
4187 QED_MSG_IOV,
4188 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
4189 i,
4190 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4191
4192 /* Update bulletin board with forced MAC */
4193 qed_iov_bulletin_set_forced_mac(hwfn,
4194 info->forced_mac, i);
4195 update = true;
4196 }
08feecd7
YM		 4197
4198 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
4199 info->forced_vlan) {
4200 DP_VERBOSE(hwfn,
4201 QED_MSG_IOV,
4202 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
4203 info->forced_vlan,
4204 i,
4205 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
4206 qed_iov_bulletin_set_forced_vlan(hwfn,
4207 info->forced_vlan, i);
4208 update = true;
4209 }
4210
4211 if (update)
4212 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4213 }
4214}
4215
36558c3d
YM		 4216static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
4217{
4218 struct qed_ptt *ptt;
4219 int i;
4220
4221 ptt = qed_ptt_acquire(hwfn);
4222 if (!ptt) {
4223 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
4224 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
4225 return;
4226 }
4227
4228 qed_for_each_vf(hwfn, i)
4229 qed_iov_post_vf_bulletin(hwfn, i, ptt);
4230
4231 qed_ptt_release(hwfn, ptt);
4232}
4233
f990c82c
MY		 4234static void qed_iov_handle_trust_change(struct qed_hwfn *hwfn)
4235{
4236 struct qed_sp_vport_update_params params;
4237 struct qed_filter_accept_flags *flags;
4238 struct qed_public_vf_info *vf_info;
4239 struct qed_vf_info *vf;
4240 u8 mask;
4241 int i;
4242
4243 mask = QED_ACCEPT_UCAST_UNMATCHED | QED_ACCEPT_MCAST_UNMATCHED;
4244 flags = &params.accept_flags;
4245
4246 qed_for_each_vf(hwfn, i) {
4247 /* Need to make sure current requested configuration didn't
4248 * flip so that we'll end up configuring something that's not
4249 * needed.
4250 */
4251 vf_info = qed_iov_get_public_vf_info(hwfn, i, true);
4252 if (vf_info->is_trusted_configured ==
4253 vf_info->is_trusted_request)
4254 continue;
4255 vf_info->is_trusted_configured = vf_info->is_trusted_request;
4256
4257 /* Validate that the VF has a configured vport */
4258 vf = qed_iov_get_vf_info(hwfn, i, true);
4259 if (!vf->vport_instance)
4260 continue;
4261
4262 memset(&params, 0, sizeof(params));
4263 params.opaque_fid = vf->opaque_fid;
4264 params.vport_id = vf->vport_id;
4265
4266 if (vf_info->rx_accept_mode & mask) {
4267 flags->update_rx_mode_config = 1;
4268 flags->rx_accept_filter = vf_info->rx_accept_mode;
4269 }
4270
4271 if (vf_info->tx_accept_mode & mask) {
4272 flags->update_tx_mode_config = 1;
4273 flags->tx_accept_filter = vf_info->tx_accept_mode;
4274 }
4275
4276 /* Remove if needed; Otherwise this would set the mask */
4277 if (!vf_info->is_trusted_configured) {
4278 flags->rx_accept_filter &= ~mask;
4279 flags->tx_accept_filter &= ~mask;
4280 }
4281
4282 if (flags->update_rx_mode_config ||
4283 flags->update_tx_mode_config)
4284 qed_sp_vport_update(hwfn, &params,
4285 QED_SPQ_MODE_EBLOCK, NULL);
4286 }
4287}
4288
ba56947a
BX		 4289static void qed_iov_pf_task(struct work_struct *work)
4290
37bff2b9
YM		 4291{
4292 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
4293 iov_task.work);
0b55e27d 4294 int rc;
37bff2b9
YM		 4295
4296 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
4297 return;
4298
0b55e27d
YM		 4299 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
4300 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
4301
4302 if (!ptt) {
4303 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4304 return;
4305 }
4306
4307 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
4308 if (rc)
4309 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
4310
4311 qed_ptt_release(hwfn, ptt);
4312 }
4313
37bff2b9
YM		 4314 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
4315 qed_handle_vf_msg(hwfn);
08feecd7
YM		 4316
4317 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
4318 &hwfn->iov_task_flags))
4319 qed_handle_pf_set_vf_unicast(hwfn);
4320
36558c3d
YM		 4321 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
4322 &hwfn->iov_task_flags))
4323 qed_handle_bulletin_post(hwfn);
f990c82c
MY		 4324
4325 if (test_and_clear_bit(QED_IOV_WQ_TRUST_FLAG, &hwfn->iov_task_flags))
4326 qed_iov_handle_trust_change(hwfn);
37bff2b9
YM		 4327}
4328
4329void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
4330{
4331 int i;
4332
4333 for_each_hwfn(cdev, i) {
4334 if (!cdev->hwfns[i].iov_wq)
4335 continue;
4336
4337 if (schedule_first) {
4338 qed_schedule_iov(&cdev->hwfns[i],
4339 QED_IOV_WQ_STOP_WQ_FLAG);
4340 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
4341 }
4342
4343 flush_workqueue(cdev->hwfns[i].iov_wq);
4344 destroy_workqueue(cdev->hwfns[i].iov_wq);
4345 }
4346}
4347
4348int qed_iov_wq_start(struct qed_dev *cdev)
4349{
4350 char name[NAME_SIZE];
4351 int i;
4352
4353 for_each_hwfn(cdev, i) {
4354 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
4355
36558c3d
YM		 4356 /* PFs needs a dedicated workqueue only if they support IOV.
4357 * VFs always require one.
4358 */
4359 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
37bff2b9
YM		 4360 continue;
4361
4362 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
4363 cdev->pdev->bus->number,
4364 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
4365
4366 p_hwfn->iov_wq = create_singlethread_workqueue(name);
4367 if (!p_hwfn->iov_wq) {
4368 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
4369 return -ENOMEM;
4370 }
4371
36558c3d
YM		 4372 if (IS_PF(cdev))
4373 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
4374 else
4375 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
37bff2b9
YM		 4376 }
4377
4378 return 0;
4379}
0b55e27d
YM		 4380
4381const struct qed_iov_hv_ops qed_iov_ops_pass = {
4382 .configure = &qed_sriov_configure,
eff16960 4383 .set_mac = &qed_sriov_pf_set_mac,
08feecd7 4384 .set_vlan = &qed_sriov_pf_set_vlan,
73390ac9 4385 .get_config = &qed_get_vf_config,
733def6a 4386 .set_link_state = &qed_set_vf_link_state,
6ddc7608 4387 .set_spoof = &qed_spoof_configure,
733def6a 4388 .set_rate = &qed_set_vf_rate,
f990c82c 4389 .set_trust = &qed_set_vf_trust,
0b55e27d 4390};
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