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qed: Remove OOM messages
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.c
CommitLineData
32a47e72
YM		 1/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
dacd88d6 9#include <linux/etherdevice.h>
36558c3d 10#include <linux/crc32.h>
0b55e27d 11#include <linux/qed/qed_iov_if.h>
1408cc1f
YM		 12#include "qed_cxt.h"
13#include "qed_hsi.h"
32a47e72 14#include "qed_hw.h"
1408cc1f 15#include "qed_init_ops.h"
32a47e72 16#include "qed_int.h"
1408cc1f 17#include "qed_mcp.h"
32a47e72 18#include "qed_reg_addr.h"
1408cc1f 19#include "qed_sp.h"
32a47e72
YM		 20#include "qed_sriov.h"
21#include "qed_vf.h"
22
1408cc1f 23/* IOV ramrods */
1fe614d1 24static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
1408cc1f
YM		 25{
26 struct vf_start_ramrod_data *p_ramrod = NULL;
27 struct qed_spq_entry *p_ent = NULL;
28 struct qed_sp_init_data init_data;
29 int rc = -EINVAL;
1fe614d1 30 u8 fp_minor;
1408cc1f
YM		 31
32 /* Get SPQ entry */
33 memset(&init_data, 0, sizeof(init_data));
34 init_data.cid = qed_spq_get_cid(p_hwfn);
1fe614d1 35 init_data.opaque_fid = p_vf->opaque_fid;
1408cc1f
YM		 36 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
37
38 rc = qed_sp_init_request(p_hwfn, &p_ent,
39 COMMON_RAMROD_VF_START,
40 PROTOCOLID_COMMON, &init_data);
41 if (rc)
42 return rc;
43
44 p_ramrod = &p_ent->ramrod.vf_start;
45
1fe614d1
YM		 46 p_ramrod->vf_id = GET_FIELD(p_vf->concrete_fid, PXP_CONCRETE_FID_VFID);
47 p_ramrod->opaque_fid = cpu_to_le16(p_vf->opaque_fid);
48
49 switch (p_hwfn->hw_info.personality) {
50 case QED_PCI_ETH:
51 p_ramrod->personality = PERSONALITY_ETH;
52 break;
53 case QED_PCI_ETH_ROCE:
54 p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
55 break;
56 default:
57 DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
58 p_hwfn->hw_info.personality);
59 return -EINVAL;
60 }
61
62 fp_minor = p_vf->acquire.vfdev_info.eth_fp_hsi_minor;
a044df83
YM		 63 if (fp_minor > ETH_HSI_VER_MINOR &&
64 fp_minor != ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1fe614d1
YM		 65 DP_VERBOSE(p_hwfn,
66 QED_MSG_IOV,
67 "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
68 p_vf->abs_vf_id,
69 ETH_HSI_VER_MAJOR,
70 fp_minor, ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
71 fp_minor = ETH_HSI_VER_MINOR;
72 }
1408cc1f 73
351a4ded 74 p_ramrod->hsi_fp_ver.major_ver_arr[ETH_VER_KEY] = ETH_HSI_VER_MAJOR;
1fe614d1
YM		 75 p_ramrod->hsi_fp_ver.minor_ver_arr[ETH_VER_KEY] = fp_minor;
76
77 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
78 "VF[%d] - Starting using HSI %02x.%02x\n",
79 p_vf->abs_vf_id, ETH_HSI_VER_MAJOR, fp_minor);
1408cc1f
YM		 80
81 return qed_spq_post(p_hwfn, p_ent, NULL);
82}
83
0b55e27d
YM		 84static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
85 u32 concrete_vfid, u16 opaque_vfid)
86{
87 struct vf_stop_ramrod_data *p_ramrod = NULL;
88 struct qed_spq_entry *p_ent = NULL;
89 struct qed_sp_init_data init_data;
90 int rc = -EINVAL;
91
92 /* Get SPQ entry */
93 memset(&init_data, 0, sizeof(init_data));
94 init_data.cid = qed_spq_get_cid(p_hwfn);
95 init_data.opaque_fid = opaque_vfid;
96 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
97
98 rc = qed_sp_init_request(p_hwfn, &p_ent,
99 COMMON_RAMROD_VF_STOP,
100 PROTOCOLID_COMMON, &init_data);
101 if (rc)
102 return rc;
103
104 p_ramrod = &p_ent->ramrod.vf_stop;
105
106 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
107
108 return qed_spq_post(p_hwfn, p_ent, NULL);
109}
110
32a47e72
YM		 111bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
112 int rel_vf_id, bool b_enabled_only)
113{
114 if (!p_hwfn->pf_iov_info) {
115 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
116 return false;
117 }
118
119 if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
120 (rel_vf_id < 0))
121 return false;
122
123 if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
124 b_enabled_only)
125 return false;
126
127 return true;
128}
129
37bff2b9
YM		 130static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
131 u16 relative_vf_id,
132 bool b_enabled_only)
133{
134 struct qed_vf_info *vf = NULL;
135
136 if (!p_hwfn->pf_iov_info) {
137 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
138 return NULL;
139 }
140
141 if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only))
142 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
143 else
144 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
145 relative_vf_id);
146
147 return vf;
148}
149
41086467
YM		 150static bool qed_iov_validate_rxq(struct qed_hwfn *p_hwfn,
151 struct qed_vf_info *p_vf, u16 rx_qid)
152{
153 if (rx_qid >= p_vf->num_rxqs)
154 DP_VERBOSE(p_hwfn,
155 QED_MSG_IOV,
156 "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
157 p_vf->abs_vf_id, rx_qid, p_vf->num_rxqs);
158 return rx_qid < p_vf->num_rxqs;
159}
160
161static bool qed_iov_validate_txq(struct qed_hwfn *p_hwfn,
162 struct qed_vf_info *p_vf, u16 tx_qid)
163{
164 if (tx_qid >= p_vf->num_txqs)
165 DP_VERBOSE(p_hwfn,
166 QED_MSG_IOV,
167 "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
168 p_vf->abs_vf_id, tx_qid, p_vf->num_txqs);
169 return tx_qid < p_vf->num_txqs;
170}
171
172static bool qed_iov_validate_sb(struct qed_hwfn *p_hwfn,
173 struct qed_vf_info *p_vf, u16 sb_idx)
174{
175 int i;
176
177 for (i = 0; i < p_vf->num_sbs; i++)
178 if (p_vf->igu_sbs[i] == sb_idx)
179 return true;
180
181 DP_VERBOSE(p_hwfn,
182 QED_MSG_IOV,
183 "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
184 p_vf->abs_vf_id, sb_idx, p_vf->num_sbs);
185
186 return false;
187}
188
36558c3d
YM		 189int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
190 int vfid, struct qed_ptt *p_ptt)
191{
192 struct qed_bulletin_content *p_bulletin;
193 int crc_size = sizeof(p_bulletin->crc);
194 struct qed_dmae_params params;
195 struct qed_vf_info *p_vf;
196
197 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
198 if (!p_vf)
199 return -EINVAL;
200
201 if (!p_vf->vf_bulletin)
202 return -EINVAL;
203
204 p_bulletin = p_vf->bulletin.p_virt;
205
206 /* Increment bulletin board version and compute crc */
207 p_bulletin->version++;
208 p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
209 p_vf->bulletin.size - crc_size);
210
211 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
212 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
213 p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
214
215 /* propagate bulletin board via dmae to vm memory */
216 memset(&params, 0, sizeof(params));
217 params.flags = QED_DMAE_FLAG_VF_DST;
218 params.dst_vfid = p_vf->abs_vf_id;
219 return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
220 p_vf->vf_bulletin, p_vf->bulletin.size / 4,
221 &params);
222}
223
32a47e72
YM		 224static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
225{
226 struct qed_hw_sriov_info *iov = cdev->p_iov_info;
227 int pos = iov->pos;
228
229 DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
230 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
231
232 pci_read_config_word(cdev->pdev,
233 pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
234 pci_read_config_word(cdev->pdev,
235 pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
236
237 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
238 if (iov->num_vfs) {
239 DP_VERBOSE(cdev,
240 QED_MSG_IOV,
241 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
242 iov->num_vfs = 0;
243 }
244
245 pci_read_config_word(cdev->pdev,
246 pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
247
248 pci_read_config_word(cdev->pdev,
249 pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
250
251 pci_read_config_word(cdev->pdev,
252 pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
253
254 pci_read_config_dword(cdev->pdev,
255 pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
256
257 pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
258
259 pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
260
261 DP_VERBOSE(cdev,
262 QED_MSG_IOV,
263 "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",
264 iov->nres,
265 iov->cap,
266 iov->ctrl,
267 iov->total_vfs,
268 iov->initial_vfs,
269 iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
270
271 /* Some sanity checks */
272 if (iov->num_vfs > NUM_OF_VFS(cdev) ||
273 iov->total_vfs > NUM_OF_VFS(cdev)) {
274 /* This can happen only due to a bug. In this case we set
275 * num_vfs to zero to avoid memory corruption in the code that
276 * assumes max number of vfs
277 */
278 DP_NOTICE(cdev,
279 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
280 iov->num_vfs);
281
282 iov->num_vfs = 0;
283 iov->total_vfs = 0;
284 }
285
286 return 0;
287}
288
289static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
290 struct qed_ptt *p_ptt)
291{
292 struct qed_igu_block *p_sb;
293 u16 sb_id;
294 u32 val;
295
296 if (!p_hwfn->hw_info.p_igu_info) {
297 DP_ERR(p_hwfn,
298 "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
299 return;
300 }
301
302 for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
303 sb_id++) {
304 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
305 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
306 !(p_sb->status & QED_IGU_STATUS_PF)) {
307 val = qed_rd(p_hwfn, p_ptt,
308 IGU_REG_MAPPING_MEMORY + sb_id * 4);
309 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
310 qed_wr(p_hwfn, p_ptt,
311 IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
312 }
313 }
314}
315
316static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
317{
318 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
319 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
320 struct qed_bulletin_content *p_bulletin_virt;
321 dma_addr_t req_p, rply_p, bulletin_p;
322 union pfvf_tlvs *p_reply_virt_addr;
323 union vfpf_tlvs *p_req_virt_addr;
324 u8 idx = 0;
325
326 memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
327
328 p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
329 req_p = p_iov_info->mbx_msg_phys_addr;
330 p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
331 rply_p = p_iov_info->mbx_reply_phys_addr;
332 p_bulletin_virt = p_iov_info->p_bulletins;
333 bulletin_p = p_iov_info->bulletins_phys;
334 if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
335 DP_ERR(p_hwfn,
336 "qed_iov_setup_vfdb called without allocating mem first\n");
337 return;
338 }
339
340 for (idx = 0; idx < p_iov->total_vfs; idx++) {
341 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
342 u32 concrete;
343
344 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
345 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
346 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
347 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
348
349 vf->state = VF_STOPPED;
350 vf->b_init = false;
351
352 vf->bulletin.phys = idx *
353 sizeof(struct qed_bulletin_content) +
354 bulletin_p;
355 vf->bulletin.p_virt = p_bulletin_virt + idx;
356 vf->bulletin.size = sizeof(struct qed_bulletin_content);
357
358 vf->relative_vf_id = idx;
359 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
360 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
361 vf->concrete_fid = concrete;
362 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
363 (vf->abs_vf_id << 8);
364 vf->vport_id = idx + 1;
1cf2b1a9
YM		 365
366 vf->num_mac_filters = QED_ETH_VF_NUM_MAC_FILTERS;
367 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
32a47e72
YM		 368 }
369}
370
371static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
372{
373 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
374 void **p_v_addr;
375 u16 num_vfs = 0;
376
377 num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
378
379 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
380 "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
381
382 /* Allocate PF Mailbox buffer (per-VF) */
383 p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
384 p_v_addr = &p_iov_info->mbx_msg_virt_addr;
385 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
386 p_iov_info->mbx_msg_size,
387 &p_iov_info->mbx_msg_phys_addr,
388 GFP_KERNEL);
389 if (!*p_v_addr)
390 return -ENOMEM;
391
392 /* Allocate PF Mailbox Reply buffer (per-VF) */
393 p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
394 p_v_addr = &p_iov_info->mbx_reply_virt_addr;
395 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
396 p_iov_info->mbx_reply_size,
397 &p_iov_info->mbx_reply_phys_addr,
398 GFP_KERNEL);
399 if (!*p_v_addr)
400 return -ENOMEM;
401
402 p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
403 num_vfs;
404 p_v_addr = &p_iov_info->p_bulletins;
405 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
406 p_iov_info->bulletins_size,
407 &p_iov_info->bulletins_phys,
408 GFP_KERNEL);
409 if (!*p_v_addr)
410 return -ENOMEM;
411
412 DP_VERBOSE(p_hwfn,
413 QED_MSG_IOV,
414 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
415 p_iov_info->mbx_msg_virt_addr,
416 (u64) p_iov_info->mbx_msg_phys_addr,
417 p_iov_info->mbx_reply_virt_addr,
418 (u64) p_iov_info->mbx_reply_phys_addr,
419 p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
420
421 return 0;
422}
423
424static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
425{
426 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
427
428 if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
429 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
430 p_iov_info->mbx_msg_size,
431 p_iov_info->mbx_msg_virt_addr,
432 p_iov_info->mbx_msg_phys_addr);
433
434 if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
435 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
436 p_iov_info->mbx_reply_size,
437 p_iov_info->mbx_reply_virt_addr,
438 p_iov_info->mbx_reply_phys_addr);
439
440 if (p_iov_info->p_bulletins)
441 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
442 p_iov_info->bulletins_size,
443 p_iov_info->p_bulletins,
444 p_iov_info->bulletins_phys);
445}
446
447int qed_iov_alloc(struct qed_hwfn *p_hwfn)
448{
449 struct qed_pf_iov *p_sriov;
450
451 if (!IS_PF_SRIOV(p_hwfn)) {
452 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
453 "No SR-IOV - no need for IOV db\n");
454 return 0;
455 }
456
457 p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
2591c280 458 if (!p_sriov)
32a47e72 459 return -ENOMEM;
32a47e72
YM		 460
461 p_hwfn->pf_iov_info = p_sriov;
462
463 return qed_iov_allocate_vfdb(p_hwfn);
464}
465
466void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
467{
468 if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
469 return;
470
471 qed_iov_setup_vfdb(p_hwfn);
472 qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
473}
474
475void qed_iov_free(struct qed_hwfn *p_hwfn)
476{
477 if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
478 qed_iov_free_vfdb(p_hwfn);
479 kfree(p_hwfn->pf_iov_info);
480 }
481}
482
483void qed_iov_free_hw_info(struct qed_dev *cdev)
484{
485 kfree(cdev->p_iov_info);
486 cdev->p_iov_info = NULL;
487}
488
489int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
490{
491 struct qed_dev *cdev = p_hwfn->cdev;
492 int pos;
493 int rc;
494
1408cc1f
YM		 495 if (IS_VF(p_hwfn->cdev))
496 return 0;
497
32a47e72
YM		 498 /* Learn the PCI configuration */
499 pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
500 PCI_EXT_CAP_ID_SRIOV);
501 if (!pos) {
502 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
503 return 0;
504 }
505
506 /* Allocate a new struct for IOV information */
507 cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
2591c280 508 if (!cdev->p_iov_info)
32a47e72 509 return -ENOMEM;
2591c280 510
32a47e72
YM		 511 cdev->p_iov_info->pos = pos;
512
513 rc = qed_iov_pci_cfg_info(cdev);
514 if (rc)
515 return rc;
516
517 /* We want PF IOV to be synonemous with the existance of p_iov_info;
518 * In case the capability is published but there are no VFs, simply
519 * de-allocate the struct.
520 */
521 if (!cdev->p_iov_info->total_vfs) {
522 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
523 "IOV capabilities, but no VFs are published\n");
524 kfree(cdev->p_iov_info);
525 cdev->p_iov_info = NULL;
526 return 0;
527 }
528
529 /* Calculate the first VF index - this is a bit tricky; Basically,
530 * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
531 * after the first engine's VFs.
532 */
533 cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
534 p_hwfn->abs_pf_id - 16;
535 if (QED_PATH_ID(p_hwfn))
536 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
537
538 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
539 "First VF in hwfn 0x%08x\n",
540 cdev->p_iov_info->first_vf_in_pf);
541
542 return 0;
543}
544
37bff2b9
YM		 545static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
546{
547 /* Check PF supports sriov */
b0409fa0
YM		 548 if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
549 !IS_PF_SRIOV_ALLOC(p_hwfn))
37bff2b9
YM		 550 return false;
551
552 /* Check VF validity */
b0409fa0 553 if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true))
37bff2b9
YM		 554 return false;
555
556 return true;
557}
558
0b55e27d
YM		 559static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
560 u16 rel_vf_id, u8 to_disable)
561{
562 struct qed_vf_info *vf;
563 int i;
564
565 for_each_hwfn(cdev, i) {
566 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
567
568 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
569 if (!vf)
570 continue;
571
572 vf->to_disable = to_disable;
573 }
574}
575
576void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
577{
578 u16 i;
579
580 if (!IS_QED_SRIOV(cdev))
581 return;
582
583 for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
584 qed_iov_set_vf_to_disable(cdev, i, to_disable);
585}
586
1408cc1f
YM		 587static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
588 struct qed_ptt *p_ptt, u8 abs_vfid)
589{
590 qed_wr(p_hwfn, p_ptt,
591 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
592 1 << (abs_vfid & 0x1f));
593}
594
dacd88d6
YM		 595static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
596 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
597{
dacd88d6
YM		 598 int i;
599
600 /* Set VF masks and configuration - pretend */
601 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
602
603 qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
604
dacd88d6
YM		 605 /* unpretend */
606 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
607
608 /* iterate over all queues, clear sb consumer */
b2b897eb
YM		 609 for (i = 0; i < vf->num_sbs; i++)
610 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
611 vf->igu_sbs[i],
612 vf->opaque_fid, true);
dacd88d6
YM		 613}
614
0b55e27d
YM		 615static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
616 struct qed_ptt *p_ptt,
617 struct qed_vf_info *vf, bool enable)
618{
619 u32 igu_vf_conf;
620
621 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
622
623 igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
624
625 if (enable)
626 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
627 else
628 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
629
630 qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
631
632 /* unpretend */
633 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
634}
635
1408cc1f
YM		 636static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
637 struct qed_ptt *p_ptt,
638 struct qed_vf_info *vf)
639{
640 u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
641 int rc;
642
0b55e27d
YM		 643 if (vf->to_disable)
644 return 0;
645
1408cc1f
YM		 646 DP_VERBOSE(p_hwfn,
647 QED_MSG_IOV,
648 "Enable internal access for vf %x [abs %x]\n",
649 vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
650
651 qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
652
b2b897eb
YM		 653 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
654
1408cc1f
YM		 655 rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
656 if (rc)
657 return rc;
658
659 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
660
661 SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
662 STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
663
664 qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
665 p_hwfn->hw_info.hw_mode);
666
667 /* unpretend */
668 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
669
1408cc1f
YM		 670 vf->state = VF_FREE;
671
672 return rc;
673}
674
0b55e27d
YM		 675/**
676 * @brief qed_iov_config_perm_table - configure the permission
677 * zone table.
678 * In E4, queue zone permission table size is 320x9. There
679 * are 320 VF queues for single engine device (256 for dual
680 * engine device), and each entry has the following format:
681 * {Valid, VF[7:0]}
682 * @param p_hwfn
683 * @param p_ptt
684 * @param vf
685 * @param enable
686 */
687static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
688 struct qed_ptt *p_ptt,
689 struct qed_vf_info *vf, u8 enable)
690{
691 u32 reg_addr, val;
692 u16 qzone_id = 0;
693 int qid;
694
695 for (qid = 0; qid < vf->num_rxqs; qid++) {
696 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
697 &qzone_id);
698
699 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
1a635e48 700 val = enable ? (vf->abs_vf_id | BIT(8)) : 0;
0b55e27d
YM		 701 qed_wr(p_hwfn, p_ptt, reg_addr, val);
702 }
703}
704
dacd88d6
YM		 705static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
706 struct qed_ptt *p_ptt,
707 struct qed_vf_info *vf)
708{
709 /* Reset vf in IGU - interrupts are still disabled */
710 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
711
712 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
713
714 /* Permission Table */
715 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
716}
717
1408cc1f
YM		 718static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
719 struct qed_ptt *p_ptt,
720 struct qed_vf_info *vf, u16 num_rx_queues)
721{
722 struct qed_igu_block *igu_blocks;
723 int qid = 0, igu_id = 0;
724 u32 val = 0;
725
726 igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
727
728 if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
729 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
730 p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
731
732 SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
733 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
734 SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
735
736 while ((qid < num_rx_queues) &&
737 (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
738 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
739 struct cau_sb_entry sb_entry;
740
741 vf->igu_sbs[qid] = (u16)igu_id;
742 igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
743
744 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
745
746 qed_wr(p_hwfn, p_ptt,
747 IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
748 val);
749
750 /* Configure igu sb in CAU which were marked valid */
751 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
752 p_hwfn->rel_pf_id,
753 vf->abs_vf_id, 1);
754 qed_dmae_host2grc(p_hwfn, p_ptt,
755 (u64)(uintptr_t)&sb_entry,
756 CAU_REG_SB_VAR_MEMORY +
757 igu_id * sizeof(u64), 2, 0);
758 qid++;
759 }
760 igu_id++;
761 }
762
763 vf->num_sbs = (u8) num_rx_queues;
764
765 return vf->num_sbs;
766}
767
0b55e27d
YM		 768static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
769 struct qed_ptt *p_ptt,
770 struct qed_vf_info *vf)
771{
772 struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
773 int idx, igu_id;
774 u32 addr, val;
775
776 /* Invalidate igu CAM lines and mark them as free */
777 for (idx = 0; idx < vf->num_sbs; idx++) {
778 igu_id = vf->igu_sbs[idx];
779 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
780
781 val = qed_rd(p_hwfn, p_ptt, addr);
782 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
783 qed_wr(p_hwfn, p_ptt, addr, val);
784
785 p_info->igu_map.igu_blocks[igu_id].status |=
786 QED_IGU_STATUS_FREE;
787
788 p_hwfn->hw_info.p_igu_info->free_blks++;
789 }
790
791 vf->num_sbs = 0;
792}
793
1408cc1f
YM		 794static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
795 struct qed_ptt *p_ptt,
796 u16 rel_vf_id, u16 num_rx_queues)
797{
798 u8 num_of_vf_avaiable_chains = 0;
799 struct qed_vf_info *vf = NULL;
800 int rc = 0;
801 u32 cids;
802 u8 i;
803
804 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
805 if (!vf) {
806 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
807 return -EINVAL;
808 }
809
810 if (vf->b_init) {
811 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
812 return -EINVAL;
813 }
814
815 /* Limit number of queues according to number of CIDs */
816 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
817 DP_VERBOSE(p_hwfn,
818 QED_MSG_IOV,
819 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
820 vf->relative_vf_id, num_rx_queues, (u16) cids);
821 num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
822
823 num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
824 p_ptt,
825 vf,
826 num_rx_queues);
827 if (!num_of_vf_avaiable_chains) {
828 DP_ERR(p_hwfn, "no available igu sbs\n");
829 return -ENOMEM;
830 }
831
832 /* Choose queue number and index ranges */
833 vf->num_rxqs = num_of_vf_avaiable_chains;
834 vf->num_txqs = num_of_vf_avaiable_chains;
835
836 for (i = 0; i < vf->num_rxqs; i++) {
837 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
838 vf->igu_sbs[i]);
839
840 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
841 DP_NOTICE(p_hwfn,
842 "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
843 vf->relative_vf_id, queue_id);
844 return -EINVAL;
845 }
846
847 /* CIDs are per-VF, so no problem having them 0-based. */
848 vf->vf_queues[i].fw_rx_qid = queue_id;
849 vf->vf_queues[i].fw_tx_qid = queue_id;
850 vf->vf_queues[i].fw_cid = i;
851
852 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
853 "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
854 vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
855 }
856 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
857 if (!rc) {
858 vf->b_init = true;
859
860 if (IS_LEAD_HWFN(p_hwfn))
861 p_hwfn->cdev->p_iov_info->num_vfs++;
862 }
863
864 return rc;
865}
866
079d20a6
MC		 867static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
868 u16 vfid,
869 struct qed_mcp_link_params *params,
870 struct qed_mcp_link_state *link,
871 struct qed_mcp_link_capabilities *p_caps)
872{
873 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
874 vfid,
875 false);
876 struct qed_bulletin_content *p_bulletin;
877
878 if (!p_vf)
879 return;
880
881 p_bulletin = p_vf->bulletin.p_virt;
882 p_bulletin->req_autoneg = params->speed.autoneg;
883 p_bulletin->req_adv_speed = params->speed.advertised_speeds;
884 p_bulletin->req_forced_speed = params->speed.forced_speed;
885 p_bulletin->req_autoneg_pause = params->pause.autoneg;
886 p_bulletin->req_forced_rx = params->pause.forced_rx;
887 p_bulletin->req_forced_tx = params->pause.forced_tx;
888 p_bulletin->req_loopback = params->loopback_mode;
889
890 p_bulletin->link_up = link->link_up;
891 p_bulletin->speed = link->speed;
892 p_bulletin->full_duplex = link->full_duplex;
893 p_bulletin->autoneg = link->an;
894 p_bulletin->autoneg_complete = link->an_complete;
895 p_bulletin->parallel_detection = link->parallel_detection;
896 p_bulletin->pfc_enabled = link->pfc_enabled;
897 p_bulletin->partner_adv_speed = link->partner_adv_speed;
898 p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
899 p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
900 p_bulletin->partner_adv_pause = link->partner_adv_pause;
901 p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
902
903 p_bulletin->capability_speed = p_caps->speed_capabilities;
904}
905
0b55e27d
YM		 906static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
907 struct qed_ptt *p_ptt, u16 rel_vf_id)
908{
079d20a6
MC		 909 struct qed_mcp_link_capabilities caps;
910 struct qed_mcp_link_params params;
911 struct qed_mcp_link_state link;
0b55e27d 912 struct qed_vf_info *vf = NULL;
0b55e27d
YM		 913
914 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
915 if (!vf) {
916 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
917 return -EINVAL;
918 }
919
36558c3d
YM		 920 if (vf->bulletin.p_virt)
921 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
922
923 memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
924
079d20a6
MC		 925 /* Get the link configuration back in bulletin so
926 * that when VFs are re-enabled they get the actual
927 * link configuration.
928 */
929 memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
930 memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
931 memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
932 qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
933
1fe614d1
YM		 934 /* Forget the VF's acquisition message */
935 memset(&vf->acquire, 0, sizeof(vf->acquire));
0b55e27d
YM		 936
937 /* disablng interrupts and resetting permission table was done during
938 * vf-close, however, we could get here without going through vf_close
939 */
940 /* Disable Interrupts for VF */
941 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
942
943 /* Reset Permission table */
944 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
945
946 vf->num_rxqs = 0;
947 vf->num_txqs = 0;
948 qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
949
950 if (vf->b_init) {
951 vf->b_init = false;
952
953 if (IS_LEAD_HWFN(p_hwfn))
954 p_hwfn->cdev->p_iov_info->num_vfs--;
955 }
956
957 return 0;
958}
959
37bff2b9
YM		 960static bool qed_iov_tlv_supported(u16 tlvtype)
961{
962 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
963}
964
965/* place a given tlv on the tlv buffer, continuing current tlv list */
966void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
967{
968 struct channel_tlv *tl = (struct channel_tlv *)*offset;
969
970 tl->type = type;
971 tl->length = length;
972
973 /* Offset should keep pointing to next TLV (the end of the last) */
974 *offset += length;
975
976 /* Return a pointer to the start of the added tlv */
977 return *offset - length;
978}
979
980/* list the types and lengths of the tlvs on the buffer */
981void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
982{
983 u16 i = 1, total_length = 0;
984 struct channel_tlv *tlv;
985
986 do {
987 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
988
989 /* output tlv */
990 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
991 "TLV number %d: type %d, length %d\n",
992 i, tlv->type, tlv->length);
993
994 if (tlv->type == CHANNEL_TLV_LIST_END)
995 return;
996
997 /* Validate entry - protect against malicious VFs */
998 if (!tlv->length) {
999 DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
1000 return;
1001 }
1002
1003 total_length += tlv->length;
1004
1005 if (total_length >= sizeof(struct tlv_buffer_size)) {
1006 DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
1007 return;
1008 }
1009
1010 i++;
1011 } while (1);
1012}
1013
1014static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
1015 struct qed_ptt *p_ptt,
1016 struct qed_vf_info *p_vf,
1017 u16 length, u8 status)
1018{
1019 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1020 struct qed_dmae_params params;
1021 u8 eng_vf_id;
1022
1023 mbx->reply_virt->default_resp.hdr.status = status;
1024
1025 qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
1026
1027 eng_vf_id = p_vf->abs_vf_id;
1028
1029 memset(&params, 0, sizeof(struct qed_dmae_params));
1030 params.flags = QED_DMAE_FLAG_VF_DST;
1031 params.dst_vfid = eng_vf_id;
1032
1033 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
1034 mbx->req_virt->first_tlv.reply_address +
1035 sizeof(u64),
1036 (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
1037 &params);
1038
1039 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
1040 mbx->req_virt->first_tlv.reply_address,
1041 sizeof(u64) / 4, &params);
1042
1043 REG_WR(p_hwfn,
1044 GTT_BAR0_MAP_REG_USDM_RAM +
1045 USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
1046}
1047
dacd88d6
YM		 1048static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1049 enum qed_iov_vport_update_flag flag)
1050{
1051 switch (flag) {
1052 case QED_IOV_VP_UPDATE_ACTIVATE:
1053 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
17b235c1
YM		 1054 case QED_IOV_VP_UPDATE_VLAN_STRIP:
1055 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1056 case QED_IOV_VP_UPDATE_TX_SWITCH:
1057 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
dacd88d6
YM		 1058 case QED_IOV_VP_UPDATE_MCAST:
1059 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1060 case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1061 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1062 case QED_IOV_VP_UPDATE_RSS:
1063 return CHANNEL_TLV_VPORT_UPDATE_RSS;
17b235c1
YM		 1064 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1065 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1066 case QED_IOV_VP_UPDATE_SGE_TPA:
1067 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
dacd88d6
YM		 1068 default:
1069 return 0;
1070 }
1071}
1072
1073static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1074 struct qed_vf_info *p_vf,
1075 struct qed_iov_vf_mbx *p_mbx,
1076 u8 status,
1077 u16 tlvs_mask, u16 tlvs_accepted)
1078{
1079 struct pfvf_def_resp_tlv *resp;
1080 u16 size, total_len, i;
1081
1082 memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1083 p_mbx->offset = (u8 *)p_mbx->reply_virt;
1084 size = sizeof(struct pfvf_def_resp_tlv);
1085 total_len = size;
1086
1087 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1088
1089 /* Prepare response for all extended tlvs if they are found by PF */
1090 for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1a635e48 1091 if (!(tlvs_mask & BIT(i)))
dacd88d6
YM		 1092 continue;
1093
1094 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1095 qed_iov_vport_to_tlv(p_hwfn, i), size);
1096
1a635e48 1097 if (tlvs_accepted & BIT(i))
dacd88d6
YM		 1098 resp->hdr.status = status;
1099 else
1100 resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1101
1102 DP_VERBOSE(p_hwfn,
1103 QED_MSG_IOV,
1104 "VF[%d] - vport_update response: TLV %d, status %02x\n",
1105 p_vf->relative_vf_id,
1106 qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1107
1108 total_len += size;
1109 }
1110
1111 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1112 sizeof(struct channel_list_end_tlv));
1113
1114 return total_len;
1115}
1116
37bff2b9
YM		 1117static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1118 struct qed_ptt *p_ptt,
1119 struct qed_vf_info *vf_info,
1120 u16 type, u16 length, u8 status)
1121{
1122 struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1123
1124 mbx->offset = (u8 *)mbx->reply_virt;
1125
1126 qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1127 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1128 sizeof(struct channel_list_end_tlv));
1129
1130 qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1131}
1132
0b55e27d
YM		 1133struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1134 u16 relative_vf_id,
1135 bool b_enabled_only)
1136{
1137 struct qed_vf_info *vf = NULL;
1138
1139 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1140 if (!vf)
1141 return NULL;
1142
1143 return &vf->p_vf_info;
1144}
1145
1146void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1147{
1148 struct qed_public_vf_info *vf_info;
1149
1150 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1151
1152 if (!vf_info)
1153 return;
1154
1155 /* Clear the VF mac */
1156 memset(vf_info->mac, 0, ETH_ALEN);
1157}
1158
1159static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1160 struct qed_vf_info *p_vf)
1161{
1162 u32 i;
1163
1164 p_vf->vf_bulletin = 0;
dacd88d6 1165 p_vf->vport_instance = 0;
08feecd7 1166 p_vf->configured_features = 0;
0b55e27d
YM		 1167
1168 /* If VF previously requested less resources, go back to default */
1169 p_vf->num_rxqs = p_vf->num_sbs;
1170 p_vf->num_txqs = p_vf->num_sbs;
1171
dacd88d6
YM		 1172 p_vf->num_active_rxqs = 0;
1173
0b55e27d
YM		 1174 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1175 p_vf->vf_queues[i].rxq_active = 0;
1176
08feecd7 1177 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1fe614d1 1178 memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
0b55e27d
YM		 1179 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1180}
1181
1cf2b1a9
YM		 1182static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1183 struct qed_ptt *p_ptt,
1184 struct qed_vf_info *p_vf,
1185 struct vf_pf_resc_request *p_req,
1186 struct pf_vf_resc *p_resp)
1187{
1188 int i;
1189
1190 /* Queue related information */
1191 p_resp->num_rxqs = p_vf->num_rxqs;
1192 p_resp->num_txqs = p_vf->num_txqs;
1193 p_resp->num_sbs = p_vf->num_sbs;
1194
1195 for (i = 0; i < p_resp->num_sbs; i++) {
1196 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1197 p_resp->hw_sbs[i].sb_qid = 0;
1198 }
1199
1200 /* These fields are filled for backward compatibility.
1201 * Unused by modern vfs.
1202 */
1203 for (i = 0; i < p_resp->num_rxqs; i++) {
1204 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1205 (u16 *)&p_resp->hw_qid[i]);
1206 p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
1207 }
1208
1209 /* Filter related information */
1210 p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1211 p_req->num_mac_filters);
1212 p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1213 p_req->num_vlan_filters);
1214
1215 /* This isn't really needed/enforced, but some legacy VFs might depend
1216 * on the correct filling of this field.
1217 */
1218 p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1219
1220 /* Validate sufficient resources for VF */
1221 if (p_resp->num_rxqs < p_req->num_rxqs ||
1222 p_resp->num_txqs < p_req->num_txqs ||
1223 p_resp->num_sbs < p_req->num_sbs ||
1224 p_resp->num_mac_filters < p_req->num_mac_filters ||
1225 p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1226 p_resp->num_mc_filters < p_req->num_mc_filters) {
1227 DP_VERBOSE(p_hwfn,
1228 QED_MSG_IOV,
1229 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1230 p_vf->abs_vf_id,
1231 p_req->num_rxqs,
1232 p_resp->num_rxqs,
1233 p_req->num_rxqs,
1234 p_resp->num_txqs,
1235 p_req->num_sbs,
1236 p_resp->num_sbs,
1237 p_req->num_mac_filters,
1238 p_resp->num_mac_filters,
1239 p_req->num_vlan_filters,
1240 p_resp->num_vlan_filters,
1241 p_req->num_mc_filters, p_resp->num_mc_filters);
a044df83
YM		 1242
1243 /* Some legacy OSes are incapable of correctly handling this
1244 * failure.
1245 */
1246 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1247 ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1248 (p_vf->acquire.vfdev_info.os_type ==
1249 VFPF_ACQUIRE_OS_WINDOWS))
1250 return PFVF_STATUS_SUCCESS;
1251
1cf2b1a9
YM		 1252 return PFVF_STATUS_NO_RESOURCE;
1253 }
1254
1255 return PFVF_STATUS_SUCCESS;
1256}
1257
1258static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1259 struct pfvf_stats_info *p_stats)
1260{
1261 p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1262 offsetof(struct mstorm_vf_zone,
1263 non_trigger.eth_queue_stat);
1264 p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1265 p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1266 offsetof(struct ustorm_vf_zone,
1267 non_trigger.eth_queue_stat);
1268 p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1269 p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1270 offsetof(struct pstorm_vf_zone,
1271 non_trigger.eth_queue_stat);
1272 p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1273 p_stats->tstats.address = 0;
1274 p_stats->tstats.len = 0;
1275}
1276
1408cc1f
YM		 1277static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1278 struct qed_ptt *p_ptt,
1279 struct qed_vf_info *vf)
37bff2b9 1280{
1408cc1f
YM		 1281 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1282 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1283 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1284 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1cf2b1a9 1285 u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1408cc1f 1286 struct pf_vf_resc *resc = &resp->resc;
1fe614d1
YM		 1287 int rc;
1288
1289 memset(resp, 0, sizeof(*resp));
1408cc1f 1290
05fafbfb
YM		 1291 /* Write the PF version so that VF would know which version
1292 * is supported - might be later overriden. This guarantees that
1293 * VF could recognize legacy PF based on lack of versions in reply.
1294 */
1295 pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1296 pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1297
a044df83
YM		 1298 if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1299 DP_VERBOSE(p_hwfn,
1300 QED_MSG_IOV,
1301 "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1302 vf->abs_vf_id, vf->state);
1303 goto out;
1304 }
1305
1408cc1f 1306 /* Validate FW compatibility */
1fe614d1 1307 if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
a044df83
YM		 1308 if (req->vfdev_info.capabilities &
1309 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1310 struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1fe614d1 1311
a044df83
YM		 1312 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1313 "VF[%d] is pre-fastpath HSI\n",
1314 vf->abs_vf_id);
1315 p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1316 p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1317 } else {
1318 DP_INFO(p_hwfn,
1319 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1320 vf->abs_vf_id,
1321 req->vfdev_info.eth_fp_hsi_major,
1322 req->vfdev_info.eth_fp_hsi_minor,
1323 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1324
1325 goto out;
1326 }
1408cc1f
YM		 1327 }
1328
1329 /* On 100g PFs, prevent old VFs from loading */
1330 if ((p_hwfn->cdev->num_hwfns > 1) &&
1331 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1332 DP_INFO(p_hwfn,
1333 "VF[%d] is running an old driver that doesn't support 100g\n",
1334 vf->abs_vf_id);
1408cc1f
YM		 1335 goto out;
1336 }
1337
1fe614d1
YM		 1338 /* Store the acquire message */
1339 memcpy(&vf->acquire, req, sizeof(vf->acquire));
1408cc1f 1340
1408cc1f 1341 vf->opaque_fid = req->vfdev_info.opaque_fid;
1408cc1f
YM		 1342
1343 vf->vf_bulletin = req->bulletin_addr;
1344 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1345 vf->bulletin.size : req->bulletin_size;
1346
1347 /* fill in pfdev info */
1348 pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1349 pfdev_info->db_size = 0;
1350 pfdev_info->indices_per_sb = PIS_PER_SB;
1351
1352 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1353 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1354 if (p_hwfn->cdev->num_hwfns > 1)
1355 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1356
1cf2b1a9 1357 qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1408cc1f
YM		 1358
1359 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1360
1361 pfdev_info->fw_major = FW_MAJOR_VERSION;
1362 pfdev_info->fw_minor = FW_MINOR_VERSION;
1363 pfdev_info->fw_rev = FW_REVISION_VERSION;
1364 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
a044df83
YM		 1365
1366 /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1367 * this field.
1368 */
1a635e48 1369 pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1fe614d1 1370 req->vfdev_info.eth_fp_hsi_minor);
1408cc1f
YM		 1371 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1372 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1373
1374 pfdev_info->dev_type = p_hwfn->cdev->type;
1375 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1376
1cf2b1a9
YM		 1377 /* Fill resources available to VF; Make sure there are enough to
1378 * satisfy the VF's request.
1408cc1f 1379 */
1cf2b1a9
YM		 1380 vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1381 &req->resc_request, resc);
1382 if (vfpf_status != PFVF_STATUS_SUCCESS)
1383 goto out;
1408cc1f 1384
1fe614d1
YM		 1385 /* Start the VF in FW */
1386 rc = qed_sp_vf_start(p_hwfn, vf);
1387 if (rc) {
1388 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1389 vfpf_status = PFVF_STATUS_FAILURE;
1390 goto out;
1391 }
1392
1408cc1f
YM		 1393 /* Fill agreed size of bulletin board in response */
1394 resp->bulletin_size = vf->bulletin.size;
36558c3d 1395 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1408cc1f
YM		 1396
1397 DP_VERBOSE(p_hwfn,
1398 QED_MSG_IOV,
1399 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1400 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1401 vf->abs_vf_id,
1402 resp->pfdev_info.chip_num,
1403 resp->pfdev_info.db_size,
1404 resp->pfdev_info.indices_per_sb,
1405 resp->pfdev_info.capabilities,
1406 resc->num_rxqs,
1407 resc->num_txqs,
1408 resc->num_sbs,
1409 resc->num_mac_filters,
1410 resc->num_vlan_filters);
1411 vf->state = VF_ACQUIRED;
1412
1413 /* Prepare Response */
1414out:
1415 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1416 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
37bff2b9
YM		 1417}
1418
6ddc7608
YM		 1419static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1420 struct qed_vf_info *p_vf, bool val)
1421{
1422 struct qed_sp_vport_update_params params;
1423 int rc;
1424
1425 if (val == p_vf->spoof_chk) {
1426 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1427 "Spoofchk value[%d] is already configured\n", val);
1428 return 0;
1429 }
1430
1431 memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1432 params.opaque_fid = p_vf->opaque_fid;
1433 params.vport_id = p_vf->vport_id;
1434 params.update_anti_spoofing_en_flg = 1;
1435 params.anti_spoofing_en = val;
1436
1437 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
cb1fa088 1438 if (!rc) {
6ddc7608
YM		 1439 p_vf->spoof_chk = val;
1440 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1441 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1442 "Spoofchk val[%d] configured\n", val);
1443 } else {
1444 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1445 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1446 val, p_vf->relative_vf_id);
1447 }
1448
1449 return rc;
1450}
1451
08feecd7
YM		 1452static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1453 struct qed_vf_info *p_vf)
1454{
1455 struct qed_filter_ucast filter;
1456 int rc = 0;
1457 int i;
1458
1459 memset(&filter, 0, sizeof(filter));
1460 filter.is_rx_filter = 1;
1461 filter.is_tx_filter = 1;
1462 filter.vport_to_add_to = p_vf->vport_id;
1463 filter.opcode = QED_FILTER_ADD;
1464
1465 /* Reconfigure vlans */
1466 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1467 if (!p_vf->shadow_config.vlans[i].used)
1468 continue;
1469
1470 filter.type = QED_FILTER_VLAN;
1471 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1a635e48 1472 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
08feecd7
YM		 1473 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1474 filter.vlan, p_vf->relative_vf_id);
1a635e48
YM		 1475 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1476 &filter, QED_SPQ_MODE_CB, NULL);
08feecd7
YM		 1477 if (rc) {
1478 DP_NOTICE(p_hwfn,
1479 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1480 filter.vlan, p_vf->relative_vf_id);
1481 break;
1482 }
1483 }
1484
1485 return rc;
1486}
1487
1488static int
1489qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1490 struct qed_vf_info *p_vf, u64 events)
1491{
1492 int rc = 0;
1493
1a635e48 1494 if ((events & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 1495 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1496 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1497
1498 return rc;
1499}
1500
1501static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1502 struct qed_vf_info *p_vf, u64 events)
1503{
1504 int rc = 0;
1505 struct qed_filter_ucast filter;
1506
1507 if (!p_vf->vport_instance)
1508 return -EINVAL;
1509
1a635e48 1510 if (events & BIT(MAC_ADDR_FORCED)) {
eff16960
YM		 1511 /* Since there's no way [currently] of removing the MAC,
1512 * we can always assume this means we need to force it.
1513 */
1514 memset(&filter, 0, sizeof(filter));
1515 filter.type = QED_FILTER_MAC;
1516 filter.opcode = QED_FILTER_REPLACE;
1517 filter.is_rx_filter = 1;
1518 filter.is_tx_filter = 1;
1519 filter.vport_to_add_to = p_vf->vport_id;
1520 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1521
1522 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1523 &filter, QED_SPQ_MODE_CB, NULL);
1524 if (rc) {
1525 DP_NOTICE(p_hwfn,
1526 "PF failed to configure MAC for VF\n");
1527 return rc;
1528 }
1529
1530 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1531 }
1532
1a635e48 1533 if (events & BIT(VLAN_ADDR_FORCED)) {
08feecd7
YM		 1534 struct qed_sp_vport_update_params vport_update;
1535 u8 removal;
1536 int i;
1537
1538 memset(&filter, 0, sizeof(filter));
1539 filter.type = QED_FILTER_VLAN;
1540 filter.is_rx_filter = 1;
1541 filter.is_tx_filter = 1;
1542 filter.vport_to_add_to = p_vf->vport_id;
1543 filter.vlan = p_vf->bulletin.p_virt->pvid;
1544 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1545 QED_FILTER_FLUSH;
1546
1547 /* Send the ramrod */
1548 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1549 &filter, QED_SPQ_MODE_CB, NULL);
1550 if (rc) {
1551 DP_NOTICE(p_hwfn,
1552 "PF failed to configure VLAN for VF\n");
1553 return rc;
1554 }
1555
1556 /* Update the default-vlan & silent vlan stripping */
1557 memset(&vport_update, 0, sizeof(vport_update));
1558 vport_update.opaque_fid = p_vf->opaque_fid;
1559 vport_update.vport_id = p_vf->vport_id;
1560 vport_update.update_default_vlan_enable_flg = 1;
1561 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1562 vport_update.update_default_vlan_flg = 1;
1563 vport_update.default_vlan = filter.vlan;
1564
1565 vport_update.update_inner_vlan_removal_flg = 1;
1566 removal = filter.vlan ? 1
1567 : p_vf->shadow_config.inner_vlan_removal;
1568 vport_update.inner_vlan_removal_flg = removal;
1569 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1570 rc = qed_sp_vport_update(p_hwfn,
1571 &vport_update,
1572 QED_SPQ_MODE_EBLOCK, NULL);
1573 if (rc) {
1574 DP_NOTICE(p_hwfn,
1575 "PF failed to configure VF vport for vlan\n");
1576 return rc;
1577 }
1578
1579 /* Update all the Rx queues */
1580 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1581 u16 qid;
1582
1583 if (!p_vf->vf_queues[i].rxq_active)
1584 continue;
1585
1586 qid = p_vf->vf_queues[i].fw_rx_qid;
1587
1588 rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1589 1, 0, 1,
1590 QED_SPQ_MODE_EBLOCK,
1591 NULL);
1592 if (rc) {
1593 DP_NOTICE(p_hwfn,
1594 "Failed to send Rx update fo queue[0x%04x]\n",
1595 qid);
1596 return rc;
1597 }
1598 }
1599
1600 if (filter.vlan)
1601 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1602 else
1a635e48 1603 p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
08feecd7
YM		 1604 }
1605
1606 /* If forced features are terminated, we need to configure the shadow
1607 * configuration back again.
1608 */
1609 if (events)
1610 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1611
1612 return rc;
1613}
1614
dacd88d6
YM		 1615static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1616 struct qed_ptt *p_ptt,
1617 struct qed_vf_info *vf)
1618{
1619 struct qed_sp_vport_start_params params = { 0 };
1620 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1621 struct vfpf_vport_start_tlv *start;
1622 u8 status = PFVF_STATUS_SUCCESS;
1623 struct qed_vf_info *vf_info;
08feecd7 1624 u64 *p_bitmap;
dacd88d6
YM		 1625 int sb_id;
1626 int rc;
1627
1628 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1629 if (!vf_info) {
1630 DP_NOTICE(p_hwfn->cdev,
1631 "Failed to get VF info, invalid vfid [%d]\n",
1632 vf->relative_vf_id);
1633 return;
1634 }
1635
1636 vf->state = VF_ENABLED;
1637 start = &mbx->req_virt->start_vport;
1638
1639 /* Initialize Status block in CAU */
1640 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1641 if (!start->sb_addr[sb_id]) {
1642 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1643 "VF[%d] did not fill the address of SB %d\n",
1644 vf->relative_vf_id, sb_id);
1645 break;
1646 }
1647
1648 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1649 start->sb_addr[sb_id],
1a635e48 1650 vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
dacd88d6
YM		 1651 }
1652 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1653
1654 vf->mtu = start->mtu;
08feecd7
YM		 1655 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1656
1657 /* Take into consideration configuration forced by hypervisor;
1658 * If none is configured, use the supplied VF values [for old
1659 * vfs that would still be fine, since they passed '0' as padding].
1660 */
1661 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1a635e48 1662 if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
08feecd7
YM		 1663 u8 vf_req = start->only_untagged;
1664
1665 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1666 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1667 }
dacd88d6
YM		 1668
1669 params.tpa_mode = start->tpa_mode;
1670 params.remove_inner_vlan = start->inner_vlan_removal;
831bfb0e 1671 params.tx_switching = true;
dacd88d6 1672
08feecd7 1673 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
dacd88d6
YM		 1674 params.drop_ttl0 = false;
1675 params.concrete_fid = vf->concrete_fid;
1676 params.opaque_fid = vf->opaque_fid;
1677 params.vport_id = vf->vport_id;
1678 params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1679 params.mtu = vf->mtu;
11a85d75 1680 params.check_mac = true;
dacd88d6
YM		 1681
1682 rc = qed_sp_eth_vport_start(p_hwfn, &params);
1a635e48 1683 if (rc) {
dacd88d6
YM		 1684 DP_ERR(p_hwfn,
1685 "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1686 status = PFVF_STATUS_FAILURE;
1687 } else {
1688 vf->vport_instance++;
08feecd7
YM		 1689
1690 /* Force configuration if needed on the newly opened vport */
1691 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
6ddc7608
YM		 1692
1693 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
dacd88d6
YM		 1694 }
1695 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1696 sizeof(struct pfvf_def_resp_tlv), status);
1697}
1698
1699static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1700 struct qed_ptt *p_ptt,
1701 struct qed_vf_info *vf)
1702{
1703 u8 status = PFVF_STATUS_SUCCESS;
1704 int rc;
1705
1706 vf->vport_instance--;
6ddc7608 1707 vf->spoof_chk = false;
dacd88d6
YM		 1708
1709 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1a635e48 1710 if (rc) {
dacd88d6
YM		 1711 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1712 rc);
1713 status = PFVF_STATUS_FAILURE;
1714 }
1715
08feecd7
YM		 1716 /* Forget the configuration on the vport */
1717 vf->configured_features = 0;
1718 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1719
dacd88d6
YM		 1720 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1721 sizeof(struct pfvf_def_resp_tlv), status);
1722}
1723
dacd88d6
YM		 1724static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1725 struct qed_ptt *p_ptt,
a044df83
YM		 1726 struct qed_vf_info *vf,
1727 u8 status, bool b_legacy)
dacd88d6
YM		 1728{
1729 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1730 struct pfvf_start_queue_resp_tlv *p_tlv;
1731 struct vfpf_start_rxq_tlv *req;
a044df83 1732 u16 length;
dacd88d6
YM		 1733
1734 mbx->offset = (u8 *)mbx->reply_virt;
1735
a044df83
YM		 1736 /* Taking a bigger struct instead of adding a TLV to list was a
1737 * mistake, but one which we're now stuck with, as some older
1738 * clients assume the size of the previous response.
1739 */
1740 if (!b_legacy)
1741 length = sizeof(*p_tlv);
1742 else
1743 length = sizeof(struct pfvf_def_resp_tlv);
1744
dacd88d6 1745 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
a044df83 1746 length);
dacd88d6
YM		 1747 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1748 sizeof(struct channel_list_end_tlv));
1749
1750 /* Update the TLV with the response */
a044df83 1751 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
dacd88d6 1752 req = &mbx->req_virt->start_rxq;
351a4ded
YM		 1753 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
1754 offsetof(struct mstorm_vf_zone,
1755 non_trigger.eth_rx_queue_producers) +
1756 sizeof(struct eth_rx_prod_data) * req->rx_qid;
dacd88d6
YM		 1757 }
1758
a044df83 1759 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
dacd88d6
YM		 1760}
1761
1762static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1763 struct qed_ptt *p_ptt,
1764 struct qed_vf_info *vf)
1765{
1766 struct qed_queue_start_common_params params;
1767 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 1768 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 1769 struct vfpf_start_rxq_tlv *req;
a044df83 1770 bool b_legacy_vf = false;
dacd88d6
YM		 1771 int rc;
1772
1773 memset(&params, 0, sizeof(params));
1774 req = &mbx->req_virt->start_rxq;
41086467
YM		 1775
1776 if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid) ||
1777 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1778 goto out;
1779
dacd88d6 1780 params.queue_id = vf->vf_queues[req->rx_qid].fw_rx_qid;
351a4ded 1781 params.vf_qid = req->rx_qid;
dacd88d6
YM		 1782 params.vport_id = vf->vport_id;
1783 params.sb = req->hw_sb;
1784 params.sb_idx = req->sb_index;
1785
a044df83
YM		 1786 /* Legacy VFs have their Producers in a different location, which they
1787 * calculate on their own and clean the producer prior to this.
1788 */
1789 if (vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1790 ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1791 b_legacy_vf = true;
1792 } else {
1793 REG_WR(p_hwfn,
1794 GTT_BAR0_MAP_REG_MSDM_RAM +
1795 MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
1796 0);
1797 }
1798
dacd88d6
YM		 1799 rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1800 vf->vf_queues[req->rx_qid].fw_cid,
1801 &params,
1802 vf->abs_vf_id + 0x10,
1803 req->bd_max_bytes,
1804 req->rxq_addr,
a044df83
YM		 1805 req->cqe_pbl_addr, req->cqe_pbl_size,
1806 b_legacy_vf);
dacd88d6
YM		 1807
1808 if (rc) {
1809 status = PFVF_STATUS_FAILURE;
1810 } else {
41086467 1811 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 1812 vf->vf_queues[req->rx_qid].rxq_active = true;
1813 vf->num_active_rxqs++;
1814 }
1815
41086467 1816out:
a044df83 1817 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, b_legacy_vf);
dacd88d6
YM		 1818}
1819
5040acf5
YM		 1820static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
1821 struct qed_ptt *p_ptt,
1822 struct qed_vf_info *p_vf, u8 status)
1823{
1824 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1825 struct pfvf_start_queue_resp_tlv *p_tlv;
a044df83
YM		 1826 bool b_legacy = false;
1827 u16 length;
5040acf5
YM		 1828
1829 mbx->offset = (u8 *)mbx->reply_virt;
1830
a044df83
YM		 1831 /* Taking a bigger struct instead of adding a TLV to list was a
1832 * mistake, but one which we're now stuck with, as some older
1833 * clients assume the size of the previous response.
1834 */
1835 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1836 ETH_HSI_VER_NO_PKT_LEN_TUNN)
1837 b_legacy = true;
1838
1839 if (!b_legacy)
1840 length = sizeof(*p_tlv);
1841 else
1842 length = sizeof(struct pfvf_def_resp_tlv);
1843
5040acf5 1844 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
a044df83 1845 length);
5040acf5
YM		 1846 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1847 sizeof(struct channel_list_end_tlv));
1848
1849 /* Update the TLV with the response */
a044df83 1850 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
5040acf5
YM		 1851 u16 qid = mbx->req_virt->start_txq.tx_qid;
1852
1853 p_tlv->offset = qed_db_addr(p_vf->vf_queues[qid].fw_cid,
1854 DQ_DEMS_LEGACY);
1855 }
1856
a044df83 1857 qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
5040acf5
YM		 1858}
1859
dacd88d6
YM		 1860static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1861 struct qed_ptt *p_ptt,
1862 struct qed_vf_info *vf)
1863{
dacd88d6
YM		 1864 struct qed_queue_start_common_params params;
1865 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 1866 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 1867 union qed_qm_pq_params pq_params;
dacd88d6
YM		 1868 struct vfpf_start_txq_tlv *req;
1869 int rc;
1870
1871 /* Prepare the parameters which would choose the right PQ */
1872 memset(&pq_params, 0, sizeof(pq_params));
1873 pq_params.eth.is_vf = 1;
1874 pq_params.eth.vf_id = vf->relative_vf_id;
1875
1876 memset(&params, 0, sizeof(params));
1877 req = &mbx->req_virt->start_txq;
41086467
YM		 1878
1879 if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid) ||
1880 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1881 goto out;
1882
dacd88d6
YM		 1883 params.queue_id = vf->vf_queues[req->tx_qid].fw_tx_qid;
1884 params.vport_id = vf->vport_id;
1885 params.sb = req->hw_sb;
1886 params.sb_idx = req->sb_index;
1887
1888 rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1889 vf->opaque_fid,
1890 vf->vf_queues[req->tx_qid].fw_cid,
1891 &params,
1892 vf->abs_vf_id + 0x10,
1893 req->pbl_addr,
1894 req->pbl_size, &pq_params);
1895
41086467 1896 if (rc) {
dacd88d6 1897 status = PFVF_STATUS_FAILURE;
41086467
YM		 1898 } else {
1899 status = PFVF_STATUS_SUCCESS;
dacd88d6 1900 vf->vf_queues[req->tx_qid].txq_active = true;
41086467 1901 }
dacd88d6 1902
41086467 1903out:
5040acf5 1904 qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
dacd88d6
YM		 1905}
1906
1907static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1908 struct qed_vf_info *vf,
1909 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1910{
1911 int rc = 0;
1912 int qid;
1913
1914 if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1915 return -EINVAL;
1916
1917 for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1918 if (vf->vf_queues[qid].rxq_active) {
1919 rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1920 vf->vf_queues[qid].
1921 fw_rx_qid, false,
1922 cqe_completion);
1923
1924 if (rc)
1925 return rc;
1926 }
1927 vf->vf_queues[qid].rxq_active = false;
1928 vf->num_active_rxqs--;
1929 }
1930
1931 return rc;
1932}
1933
1934static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1935 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1936{
1937 int rc = 0;
1938 int qid;
1939
1940 if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1941 return -EINVAL;
1942
1943 for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1944 if (vf->vf_queues[qid].txq_active) {
1945 rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1946 vf->vf_queues[qid].
1947 fw_tx_qid);
1948
1949 if (rc)
1950 return rc;
1951 }
1952 vf->vf_queues[qid].txq_active = false;
1953 }
1954 return rc;
1955}
1956
1957static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1958 struct qed_ptt *p_ptt,
1959 struct qed_vf_info *vf)
1960{
1961 u16 length = sizeof(struct pfvf_def_resp_tlv);
1962 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1963 u8 status = PFVF_STATUS_SUCCESS;
1964 struct vfpf_stop_rxqs_tlv *req;
1965 int rc;
1966
1967 /* We give the option of starting from qid != 0, in this case we
1968 * need to make sure that qid + num_qs doesn't exceed the actual
1969 * amount of queues that exist.
1970 */
1971 req = &mbx->req_virt->stop_rxqs;
1972 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1973 req->num_rxqs, req->cqe_completion);
1974 if (rc)
1975 status = PFVF_STATUS_FAILURE;
1976
1977 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1978 length, status);
1979}
1980
1981static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1982 struct qed_ptt *p_ptt,
1983 struct qed_vf_info *vf)
1984{
1985 u16 length = sizeof(struct pfvf_def_resp_tlv);
1986 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1987 u8 status = PFVF_STATUS_SUCCESS;
1988 struct vfpf_stop_txqs_tlv *req;
1989 int rc;
1990
1991 /* We give the option of starting from qid != 0, in this case we
1992 * need to make sure that qid + num_qs doesn't exceed the actual
1993 * amount of queues that exist.
1994 */
1995 req = &mbx->req_virt->stop_txqs;
1996 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1997 if (rc)
1998 status = PFVF_STATUS_FAILURE;
1999
2000 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2001 length, status);
2002}
2003
17b235c1
YM		 2004static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2005 struct qed_ptt *p_ptt,
2006 struct qed_vf_info *vf)
2007{
2008 u16 length = sizeof(struct pfvf_def_resp_tlv);
2009 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2010 struct vfpf_update_rxq_tlv *req;
2011 u8 status = PFVF_STATUS_SUCCESS;
2012 u8 complete_event_flg;
2013 u8 complete_cqe_flg;
2014 u16 qid;
2015 int rc;
2016 u8 i;
2017
2018 req = &mbx->req_virt->update_rxq;
2019 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2020 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2021
2022 for (i = 0; i < req->num_rxqs; i++) {
2023 qid = req->rx_qid + i;
2024
2025 if (!vf->vf_queues[qid].rxq_active) {
2026 DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
2027 qid);
2028 status = PFVF_STATUS_FAILURE;
2029 break;
2030 }
2031
2032 rc = qed_sp_eth_rx_queues_update(p_hwfn,
2033 vf->vf_queues[qid].fw_rx_qid,
2034 1,
2035 complete_cqe_flg,
2036 complete_event_flg,
2037 QED_SPQ_MODE_EBLOCK, NULL);
2038
2039 if (rc) {
2040 status = PFVF_STATUS_FAILURE;
2041 break;
2042 }
2043 }
2044
2045 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2046 length, status);
2047}
2048
dacd88d6
YM		 2049void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2050 void *p_tlvs_list, u16 req_type)
2051{
2052 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2053 int len = 0;
2054
2055 do {
2056 if (!p_tlv->length) {
2057 DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2058 return NULL;
2059 }
2060
2061 if (p_tlv->type == req_type) {
2062 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2063 "Extended tlv type %d, length %d found\n",
2064 p_tlv->type, p_tlv->length);
2065 return p_tlv;
2066 }
2067
2068 len += p_tlv->length;
2069 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2070
2071 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2072 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2073 return NULL;
2074 }
2075 } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2076
2077 return NULL;
2078}
2079
2080static void
2081qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2082 struct qed_sp_vport_update_params *p_data,
2083 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2084{
2085 struct vfpf_vport_update_activate_tlv *p_act_tlv;
2086 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2087
2088 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2089 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2090 if (!p_act_tlv)
2091 return;
2092
2093 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2094 p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2095 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2096 p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2097 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2098}
2099
17b235c1
YM		 2100static void
2101qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2102 struct qed_sp_vport_update_params *p_data,
2103 struct qed_vf_info *p_vf,
2104 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2105{
2106 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2107 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2108
2109 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2110 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2111 if (!p_vlan_tlv)
2112 return;
2113
08feecd7
YM		 2114 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2115
2116 /* Ignore the VF request if we're forcing a vlan */
1a635e48 2117 if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
08feecd7
YM		 2118 p_data->update_inner_vlan_removal_flg = 1;
2119 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2120 }
17b235c1
YM		 2121
2122 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2123}
2124
2125static void
2126qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2127 struct qed_sp_vport_update_params *p_data,
2128 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2129{
2130 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2131 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2132
2133 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2134 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2135 tlv);
2136 if (!p_tx_switch_tlv)
2137 return;
2138
2139 p_data->update_tx_switching_flg = 1;
2140 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2141 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2142}
2143
dacd88d6
YM		 2144static void
2145qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2146 struct qed_sp_vport_update_params *p_data,
2147 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2148{
2149 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2150 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2151
2152 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2153 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2154 if (!p_mcast_tlv)
2155 return;
2156
2157 p_data->update_approx_mcast_flg = 1;
2158 memcpy(p_data->bins, p_mcast_tlv->bins,
2159 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2160 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2161}
2162
2163static void
2164qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2165 struct qed_sp_vport_update_params *p_data,
2166 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2167{
2168 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2169 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2170 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2171
2172 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2173 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2174 if (!p_accept_tlv)
2175 return;
2176
2177 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2178 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2179 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2180 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2181 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2182}
2183
17b235c1
YM		 2184static void
2185qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2186 struct qed_sp_vport_update_params *p_data,
2187 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2188{
2189 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2190 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2191
2192 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2193 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2194 tlv);
2195 if (!p_accept_any_vlan)
2196 return;
2197
2198 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2199 p_data->update_accept_any_vlan_flg =
2200 p_accept_any_vlan->update_accept_any_vlan_flg;
2201 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2202}
2203
dacd88d6
YM		 2204static void
2205qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2206 struct qed_vf_info *vf,
2207 struct qed_sp_vport_update_params *p_data,
2208 struct qed_rss_params *p_rss,
2209 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2210{
2211 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2212 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2213 u16 i, q_idx, max_q_idx;
2214 u16 table_size;
2215
2216 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2217 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2218 if (!p_rss_tlv) {
2219 p_data->rss_params = NULL;
2220 return;
2221 }
2222
2223 memset(p_rss, 0, sizeof(struct qed_rss_params));
2224
2225 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2226 VFPF_UPDATE_RSS_CONFIG_FLAG);
2227 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2228 VFPF_UPDATE_RSS_CAPS_FLAG);
2229 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2230 VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2231 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2232 VFPF_UPDATE_RSS_KEY_FLAG);
2233
2234 p_rss->rss_enable = p_rss_tlv->rss_enable;
2235 p_rss->rss_eng_id = vf->relative_vf_id + 1;
2236 p_rss->rss_caps = p_rss_tlv->rss_caps;
2237 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2238 memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2239 sizeof(p_rss->rss_ind_table));
2240 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2241
2242 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2243 (1 << p_rss_tlv->rss_table_size_log));
2244
2245 max_q_idx = ARRAY_SIZE(vf->vf_queues);
2246
2247 for (i = 0; i < table_size; i++) {
2248 u16 index = vf->vf_queues[0].fw_rx_qid;
2249
2250 q_idx = p_rss->rss_ind_table[i];
2251 if (q_idx >= max_q_idx)
2252 DP_NOTICE(p_hwfn,
2253 "rss_ind_table[%d] = %d, rxq is out of range\n",
2254 i, q_idx);
2255 else if (!vf->vf_queues[q_idx].rxq_active)
2256 DP_NOTICE(p_hwfn,
2257 "rss_ind_table[%d] = %d, rxq is not active\n",
2258 i, q_idx);
2259 else
2260 index = vf->vf_queues[q_idx].fw_rx_qid;
2261 p_rss->rss_ind_table[i] = index;
2262 }
2263
2264 p_data->rss_params = p_rss;
2265 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2266}
2267
17b235c1
YM		 2268static void
2269qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2270 struct qed_vf_info *vf,
2271 struct qed_sp_vport_update_params *p_data,
2272 struct qed_sge_tpa_params *p_sge_tpa,
2273 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2274{
2275 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2276 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2277
2278 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2279 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2280
2281 if (!p_sge_tpa_tlv) {
2282 p_data->sge_tpa_params = NULL;
2283 return;
2284 }
2285
2286 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2287
2288 p_sge_tpa->update_tpa_en_flg =
2289 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2290 p_sge_tpa->update_tpa_param_flg =
2291 !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2292 VFPF_UPDATE_TPA_PARAM_FLAG);
2293
2294 p_sge_tpa->tpa_ipv4_en_flg =
2295 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2296 p_sge_tpa->tpa_ipv6_en_flg =
2297 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2298 p_sge_tpa->tpa_pkt_split_flg =
2299 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2300 p_sge_tpa->tpa_hdr_data_split_flg =
2301 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2302 p_sge_tpa->tpa_gro_consistent_flg =
2303 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2304
2305 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2306 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2307 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2308 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2309 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2310
2311 p_data->sge_tpa_params = p_sge_tpa;
2312
2313 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2314}
2315
dacd88d6
YM		 2316static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2317 struct qed_ptt *p_ptt,
2318 struct qed_vf_info *vf)
2319{
2320 struct qed_sp_vport_update_params params;
2321 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
17b235c1 2322 struct qed_sge_tpa_params sge_tpa_params;
dacd88d6
YM		 2323 struct qed_rss_params rss_params;
2324 u8 status = PFVF_STATUS_SUCCESS;
2325 u16 tlvs_mask = 0;
2326 u16 length;
2327 int rc;
2328
41086467
YM		 2329 /* Valiate PF can send such a request */
2330 if (!vf->vport_instance) {
2331 DP_VERBOSE(p_hwfn,
2332 QED_MSG_IOV,
2333 "No VPORT instance available for VF[%d], failing vport update\n",
2334 vf->abs_vf_id);
2335 status = PFVF_STATUS_FAILURE;
2336 goto out;
2337 }
2338
dacd88d6
YM		 2339 memset(&params, 0, sizeof(params));
2340 params.opaque_fid = vf->opaque_fid;
2341 params.vport_id = vf->vport_id;
2342 params.rss_params = NULL;
2343
2344 /* Search for extended tlvs list and update values
2345 * from VF in struct qed_sp_vport_update_params.
2346 */
2347 qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 2348 qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2349 qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
dacd88d6
YM		 2350 qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2351 qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2352 qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2353 mbx, &tlvs_mask);
17b235c1
YM		 2354 qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2355 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2356 &sge_tpa_params, mbx, &tlvs_mask);
dacd88d6
YM		 2357
2358 /* Just log a message if there is no single extended tlv in buffer.
2359 * When all features of vport update ramrod would be requested by VF
2360 * as extended TLVs in buffer then an error can be returned in response
2361 * if there is no extended TLV present in buffer.
2362 */
2363 if (!tlvs_mask) {
2364 DP_NOTICE(p_hwfn,
2365 "No feature tlvs found for vport update\n");
2366 status = PFVF_STATUS_NOT_SUPPORTED;
2367 goto out;
2368 }
2369
2370 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2371
2372 if (rc)
2373 status = PFVF_STATUS_FAILURE;
2374
2375out:
2376 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2377 tlvs_mask, tlvs_mask);
2378 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2379}
2380
8246d0b4
YM		 2381static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
2382 struct qed_vf_info *p_vf,
2383 struct qed_filter_ucast *p_params)
08feecd7
YM		 2384{
2385 int i;
2386
08feecd7
YM		 2387 /* First remove entries and then add new ones */
2388 if (p_params->opcode == QED_FILTER_REMOVE) {
2389 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2390 if (p_vf->shadow_config.vlans[i].used &&
2391 p_vf->shadow_config.vlans[i].vid ==
2392 p_params->vlan) {
2393 p_vf->shadow_config.vlans[i].used = false;
2394 break;
2395 }
2396 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2397 DP_VERBOSE(p_hwfn,
2398 QED_MSG_IOV,
2399 "VF [%d] - Tries to remove a non-existing vlan\n",
2400 p_vf->relative_vf_id);
2401 return -EINVAL;
2402 }
2403 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2404 p_params->opcode == QED_FILTER_FLUSH) {
2405 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2406 p_vf->shadow_config.vlans[i].used = false;
2407 }
2408
2409 /* In forced mode, we're willing to remove entries - but we don't add
2410 * new ones.
2411 */
1a635e48 2412 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
08feecd7
YM		 2413 return 0;
2414
2415 if (p_params->opcode == QED_FILTER_ADD ||
2416 p_params->opcode == QED_FILTER_REPLACE) {
2417 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2418 if (p_vf->shadow_config.vlans[i].used)
2419 continue;
2420
2421 p_vf->shadow_config.vlans[i].used = true;
2422 p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2423 break;
2424 }
2425
2426 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2427 DP_VERBOSE(p_hwfn,
2428 QED_MSG_IOV,
2429 "VF [%d] - Tries to configure more than %d vlan filters\n",
2430 p_vf->relative_vf_id,
2431 QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2432 return -EINVAL;
2433 }
2434 }
2435
2436 return 0;
2437}
2438
8246d0b4
YM		 2439static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
2440 struct qed_vf_info *p_vf,
2441 struct qed_filter_ucast *p_params)
2442{
2443 int i;
2444
2445 /* If we're in forced-mode, we don't allow any change */
1a635e48 2446 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
8246d0b4
YM		 2447 return 0;
2448
2449 /* First remove entries and then add new ones */
2450 if (p_params->opcode == QED_FILTER_REMOVE) {
2451 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2452 if (ether_addr_equal(p_vf->shadow_config.macs[i],
2453 p_params->mac)) {
2454 memset(p_vf->shadow_config.macs[i], 0,
2455 ETH_ALEN);
2456 break;
2457 }
2458 }
2459
2460 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2461 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2462 "MAC isn't configured\n");
2463 return -EINVAL;
2464 }
2465 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2466 p_params->opcode == QED_FILTER_FLUSH) {
2467 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
2468 memset(p_vf->shadow_config.macs[i], 0, ETH_ALEN);
2469 }
2470
2471 /* List the new MAC address */
2472 if (p_params->opcode != QED_FILTER_ADD &&
2473 p_params->opcode != QED_FILTER_REPLACE)
2474 return 0;
2475
2476 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2477 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
2478 ether_addr_copy(p_vf->shadow_config.macs[i],
2479 p_params->mac);
2480 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2481 "Added MAC at %d entry in shadow\n", i);
2482 break;
2483 }
2484 }
2485
2486 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2487 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
2488 return -EINVAL;
2489 }
2490
2491 return 0;
2492}
2493
2494static int
2495qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2496 struct qed_vf_info *p_vf,
2497 struct qed_filter_ucast *p_params)
2498{
2499 int rc = 0;
2500
2501 if (p_params->type == QED_FILTER_MAC) {
2502 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
2503 if (rc)
2504 return rc;
2505 }
2506
2507 if (p_params->type == QED_FILTER_VLAN)
2508 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
2509
2510 return rc;
2511}
2512
dacd88d6
YM		 2513int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2514 int vfid, struct qed_filter_ucast *params)
2515{
2516 struct qed_public_vf_info *vf;
2517
2518 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2519 if (!vf)
2520 return -EINVAL;
2521
2522 /* No real decision to make; Store the configured MAC */
2523 if (params->type == QED_FILTER_MAC ||
2524 params->type == QED_FILTER_MAC_VLAN)
2525 ether_addr_copy(vf->mac, params->mac);
2526
2527 return 0;
2528}
2529
2530static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2531 struct qed_ptt *p_ptt,
2532 struct qed_vf_info *vf)
2533{
08feecd7 2534 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
dacd88d6
YM		 2535 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2536 struct vfpf_ucast_filter_tlv *req;
2537 u8 status = PFVF_STATUS_SUCCESS;
2538 struct qed_filter_ucast params;
2539 int rc;
2540
2541 /* Prepare the unicast filter params */
2542 memset(&params, 0, sizeof(struct qed_filter_ucast));
2543 req = &mbx->req_virt->ucast_filter;
2544 params.opcode = (enum qed_filter_opcode)req->opcode;
2545 params.type = (enum qed_filter_ucast_type)req->type;
2546
2547 params.is_rx_filter = 1;
2548 params.is_tx_filter = 1;
2549 params.vport_to_remove_from = vf->vport_id;
2550 params.vport_to_add_to = vf->vport_id;
2551 memcpy(params.mac, req->mac, ETH_ALEN);
2552 params.vlan = req->vlan;
2553
2554 DP_VERBOSE(p_hwfn,
2555 QED_MSG_IOV,
2556 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2557 vf->abs_vf_id, params.opcode, params.type,
2558 params.is_rx_filter ? "RX" : "",
2559 params.is_tx_filter ? "TX" : "",
2560 params.vport_to_add_to,
2561 params.mac[0], params.mac[1],
2562 params.mac[2], params.mac[3],
2563 params.mac[4], params.mac[5], params.vlan);
2564
2565 if (!vf->vport_instance) {
2566 DP_VERBOSE(p_hwfn,
2567 QED_MSG_IOV,
2568 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2569 vf->abs_vf_id);
2570 status = PFVF_STATUS_FAILURE;
2571 goto out;
2572 }
2573
08feecd7
YM		 2574 /* Update shadow copy of the VF configuration */
2575 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2576 status = PFVF_STATUS_FAILURE;
2577 goto out;
2578 }
2579
2580 /* Determine if the unicast filtering is acceptible by PF */
1a635e48 2581 if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 2582 (params.type == QED_FILTER_VLAN ||
2583 params.type == QED_FILTER_MAC_VLAN)) {
2584 /* Once VLAN is forced or PVID is set, do not allow
2585 * to add/replace any further VLANs.
2586 */
2587 if (params.opcode == QED_FILTER_ADD ||
2588 params.opcode == QED_FILTER_REPLACE)
2589 status = PFVF_STATUS_FORCED;
2590 goto out;
2591 }
2592
1a635e48 2593 if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
eff16960
YM		 2594 (params.type == QED_FILTER_MAC ||
2595 params.type == QED_FILTER_MAC_VLAN)) {
2596 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2597 (params.opcode != QED_FILTER_ADD &&
2598 params.opcode != QED_FILTER_REPLACE))
2599 status = PFVF_STATUS_FORCED;
2600 goto out;
2601 }
2602
dacd88d6
YM		 2603 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2604 if (rc) {
2605 status = PFVF_STATUS_FAILURE;
2606 goto out;
2607 }
2608
2609 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2610 QED_SPQ_MODE_CB, NULL);
2611 if (rc)
2612 status = PFVF_STATUS_FAILURE;
2613
2614out:
2615 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2616 sizeof(struct pfvf_def_resp_tlv), status);
2617}
2618
0b55e27d
YM		 2619static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2620 struct qed_ptt *p_ptt,
2621 struct qed_vf_info *vf)
2622{
2623 int i;
2624
2625 /* Reset the SBs */
2626 for (i = 0; i < vf->num_sbs; i++)
2627 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2628 vf->igu_sbs[i],
2629 vf->opaque_fid, false);
2630
2631 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2632 sizeof(struct pfvf_def_resp_tlv),
2633 PFVF_STATUS_SUCCESS);
2634}
2635
2636static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2637 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2638{
2639 u16 length = sizeof(struct pfvf_def_resp_tlv);
2640 u8 status = PFVF_STATUS_SUCCESS;
2641
2642 /* Disable Interrupts for VF */
2643 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2644
2645 /* Reset Permission table */
2646 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2647
2648 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2649 length, status);
2650}
2651
2652static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2653 struct qed_ptt *p_ptt,
2654 struct qed_vf_info *p_vf)
2655{
2656 u16 length = sizeof(struct pfvf_def_resp_tlv);
1fe614d1
YM		 2657 u8 status = PFVF_STATUS_SUCCESS;
2658 int rc = 0;
0b55e27d
YM		 2659
2660 qed_iov_vf_cleanup(p_hwfn, p_vf);
2661
1fe614d1
YM		 2662 if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
2663 /* Stopping the VF */
2664 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
2665 p_vf->opaque_fid);
2666
2667 if (rc) {
2668 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
2669 rc);
2670 status = PFVF_STATUS_FAILURE;
2671 }
2672
2673 p_vf->state = VF_STOPPED;
2674 }
2675
0b55e27d 2676 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
1fe614d1 2677 length, status);
0b55e27d
YM		 2678}
2679
2680static int
2681qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2682 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2683{
2684 int cnt;
2685 u32 val;
2686
2687 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2688
2689 for (cnt = 0; cnt < 50; cnt++) {
2690 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2691 if (!val)
2692 break;
2693 msleep(20);
2694 }
2695 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2696
2697 if (cnt == 50) {
2698 DP_ERR(p_hwfn,
2699 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2700 p_vf->abs_vf_id, val);
2701 return -EBUSY;
2702 }
2703
2704 return 0;
2705}
2706
2707static int
2708qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2709 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2710{
2711 u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2712 int i, cnt;
2713
2714 /* Read initial consumers & producers */
2715 for (i = 0; i < MAX_NUM_VOQS; i++) {
2716 u32 prod;
2717
2718 cons[i] = qed_rd(p_hwfn, p_ptt,
2719 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2720 i * 0x40);
2721 prod = qed_rd(p_hwfn, p_ptt,
2722 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2723 i * 0x40);
2724 distance[i] = prod - cons[i];
2725 }
2726
2727 /* Wait for consumers to pass the producers */
2728 i = 0;
2729 for (cnt = 0; cnt < 50; cnt++) {
2730 for (; i < MAX_NUM_VOQS; i++) {
2731 u32 tmp;
2732
2733 tmp = qed_rd(p_hwfn, p_ptt,
2734 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2735 i * 0x40);
2736 if (distance[i] > tmp - cons[i])
2737 break;
2738 }
2739
2740 if (i == MAX_NUM_VOQS)
2741 break;
2742
2743 msleep(20);
2744 }
2745
2746 if (cnt == 50) {
2747 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2748 p_vf->abs_vf_id, i);
2749 return -EBUSY;
2750 }
2751
2752 return 0;
2753}
2754
2755static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2756 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2757{
2758 int rc;
2759
2760 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2761 if (rc)
2762 return rc;
2763
2764 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2765 if (rc)
2766 return rc;
2767
2768 return 0;
2769}
2770
2771static int
2772qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2773 struct qed_ptt *p_ptt,
2774 u16 rel_vf_id, u32 *ack_vfs)
2775{
2776 struct qed_vf_info *p_vf;
2777 int rc = 0;
2778
2779 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2780 if (!p_vf)
2781 return 0;
2782
2783 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2784 (1ULL << (rel_vf_id % 64))) {
2785 u16 vfid = p_vf->abs_vf_id;
2786
2787 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2788 "VF[%d] - Handling FLR\n", vfid);
2789
2790 qed_iov_vf_cleanup(p_hwfn, p_vf);
2791
2792 /* If VF isn't active, no need for anything but SW */
2793 if (!p_vf->b_init)
2794 goto cleanup;
2795
2796 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2797 if (rc)
2798 goto cleanup;
2799
2800 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2801 if (rc) {
2802 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2803 return rc;
2804 }
2805
2806 /* VF_STOPPED has to be set only after final cleanup
2807 * but prior to re-enabling the VF.
2808 */
2809 p_vf->state = VF_STOPPED;
2810
2811 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2812 if (rc) {
2813 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2814 vfid);
2815 return rc;
2816 }
2817cleanup:
2818 /* Mark VF for ack and clean pending state */
2819 if (p_vf->state == VF_RESET)
2820 p_vf->state = VF_STOPPED;
1a635e48 2821 ack_vfs[vfid / 32] |= BIT((vfid % 32));
0b55e27d
YM		 2822 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2823 ~(1ULL << (rel_vf_id % 64));
2824 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2825 ~(1ULL << (rel_vf_id % 64));
2826 }
2827
2828 return rc;
2829}
2830
2831int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2832{
2833 u32 ack_vfs[VF_MAX_STATIC / 32];
2834 int rc = 0;
2835 u16 i;
2836
2837 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2838
2839 /* Since BRB <-> PRS interface can't be tested as part of the flr
2840 * polling due to HW limitations, simply sleep a bit. And since
2841 * there's no need to wait per-vf, do it before looping.
2842 */
2843 msleep(100);
2844
2845 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2846 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2847
2848 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2849 return rc;
2850}
2851
2852int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2853{
2854 u16 i, found = 0;
2855
2856 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2857 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2858 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2859 "[%08x,...,%08x]: %08x\n",
2860 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2861
2862 if (!p_hwfn->cdev->p_iov_info) {
2863 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2864 return 0;
2865 }
2866
2867 /* Mark VFs */
2868 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2869 struct qed_vf_info *p_vf;
2870 u8 vfid;
2871
2872 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2873 if (!p_vf)
2874 continue;
2875
2876 vfid = p_vf->abs_vf_id;
1a635e48 2877 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
0b55e27d
YM		 2878 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2879 u16 rel_vf_id = p_vf->relative_vf_id;
2880
2881 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2882 "VF[%d] [rel %d] got FLR-ed\n",
2883 vfid, rel_vf_id);
2884
2885 p_vf->state = VF_RESET;
2886
2887 /* No need to lock here, since pending_flr should
2888 * only change here and before ACKing MFw. Since
2889 * MFW will not trigger an additional attention for
2890 * VF flr until ACKs, we're safe.
2891 */
2892 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2893 found = 1;
2894 }
2895 }
2896
2897 return found;
2898}
2899
73390ac9
YM		 2900static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2901 u16 vfid,
2902 struct qed_mcp_link_params *p_params,
2903 struct qed_mcp_link_state *p_link,
2904 struct qed_mcp_link_capabilities *p_caps)
2905{
2906 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2907 vfid,
2908 false);
2909 struct qed_bulletin_content *p_bulletin;
2910
2911 if (!p_vf)
2912 return;
2913
2914 p_bulletin = p_vf->bulletin.p_virt;
2915
2916 if (p_params)
2917 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2918 if (p_link)
2919 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2920 if (p_caps)
2921 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2922}
2923
37bff2b9
YM		 2924static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2925 struct qed_ptt *p_ptt, int vfid)
2926{
2927 struct qed_iov_vf_mbx *mbx;
2928 struct qed_vf_info *p_vf;
37bff2b9
YM		 2929
2930 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2931 if (!p_vf)
2932 return;
2933
2934 mbx = &p_vf->vf_mbx;
2935
2936 /* qed_iov_process_mbx_request */
54fdd80f
YM		 2937 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2938 "VF[%02x]: Processing mailbox message\n", p_vf->abs_vf_id);
37bff2b9
YM		 2939
2940 mbx->first_tlv = mbx->req_virt->first_tlv;
2941
2942 /* check if tlv type is known */
2943 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
1408cc1f
YM		 2944 switch (mbx->first_tlv.tl.type) {
2945 case CHANNEL_TLV_ACQUIRE:
2946 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2947 break;
dacd88d6
YM		 2948 case CHANNEL_TLV_VPORT_START:
2949 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2950 break;
2951 case CHANNEL_TLV_VPORT_TEARDOWN:
2952 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2953 break;
2954 case CHANNEL_TLV_START_RXQ:
2955 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2956 break;
2957 case CHANNEL_TLV_START_TXQ:
2958 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2959 break;
2960 case CHANNEL_TLV_STOP_RXQS:
2961 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2962 break;
2963 case CHANNEL_TLV_STOP_TXQS:
2964 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2965 break;
17b235c1
YM		 2966 case CHANNEL_TLV_UPDATE_RXQ:
2967 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2968 break;
dacd88d6
YM		 2969 case CHANNEL_TLV_VPORT_UPDATE:
2970 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2971 break;
2972 case CHANNEL_TLV_UCAST_FILTER:
2973 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2974 break;
0b55e27d
YM		 2975 case CHANNEL_TLV_CLOSE:
2976 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2977 break;
2978 case CHANNEL_TLV_INT_CLEANUP:
2979 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2980 break;
2981 case CHANNEL_TLV_RELEASE:
2982 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2983 break;
1408cc1f 2984 }
37bff2b9
YM		 2985 } else {
2986 /* unknown TLV - this may belong to a VF driver from the future
2987 * - a version written after this PF driver was written, which
2988 * supports features unknown as of yet. Too bad since we don't
2989 * support them. Or this may be because someone wrote a crappy
2990 * VF driver and is sending garbage over the channel.
2991 */
54fdd80f
YM		 2992 DP_NOTICE(p_hwfn,
2993 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
2994 p_vf->abs_vf_id,
2995 mbx->first_tlv.tl.type,
2996 mbx->first_tlv.tl.length,
2997 mbx->first_tlv.padding, mbx->first_tlv.reply_address);
2998
2999 /* Try replying in case reply address matches the acquisition's
3000 * posted address.
3001 */
3002 if (p_vf->acquire.first_tlv.reply_address &&
3003 (mbx->first_tlv.reply_address ==
3004 p_vf->acquire.first_tlv.reply_address)) {
3005 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3006 mbx->first_tlv.tl.type,
3007 sizeof(struct pfvf_def_resp_tlv),
3008 PFVF_STATUS_NOT_SUPPORTED);
3009 } else {
37bff2b9
YM		 3010 DP_VERBOSE(p_hwfn,
3011 QED_MSG_IOV,
54fdd80f
YM		 3012 "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3013 p_vf->abs_vf_id);
37bff2b9
YM		 3014 }
3015 }
3016}
3017
3018void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
3019{
3020 u64 add_bit = 1ULL << (vfid % 64);
3021
3022 p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
3023}
3024
3025static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
3026 u64 *events)
3027{
3028 u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
3029
3030 memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3031 memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3032}
3033
3034static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3035 u16 abs_vfid, struct regpair *vf_msg)
3036{
3037 u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3038 struct qed_vf_info *p_vf;
3039
3040 if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
3041 DP_VERBOSE(p_hwfn,
3042 QED_MSG_IOV,
3043 "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
3044 abs_vfid);
3045 return 0;
3046 }
3047 p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
3048
3049 /* List the physical address of the request so that handler
3050 * could later on copy the message from it.
3051 */
3052 p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3053
3054 /* Mark the event and schedule the workqueue */
3055 qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
3056 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3057
3058 return 0;
3059}
3060
3061int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
3062 u8 opcode, __le16 echo, union event_ring_data *data)
3063{
3064 switch (opcode) {
3065 case COMMON_EVENT_VF_PF_CHANNEL:
3066 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
3067 &data->vf_pf_channel.msg_addr);
3068 default:
3069 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
3070 opcode);
3071 return -EINVAL;
3072 }
3073}
3074
32a47e72
YM		 3075u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3076{
3077 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
3078 u16 i;
3079
3080 if (!p_iov)
3081 goto out;
3082
3083 for (i = rel_vf_id; i < p_iov->total_vfs; i++)
3084 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
3085 return i;
3086
3087out:
3088 return MAX_NUM_VFS;
3089}
37bff2b9
YM		 3090
3091static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
3092 int vfid)
3093{
3094 struct qed_dmae_params params;
3095 struct qed_vf_info *vf_info;
3096
3097 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3098 if (!vf_info)
3099 return -EINVAL;
3100
3101 memset(&params, 0, sizeof(struct qed_dmae_params));
3102 params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
3103 params.src_vfid = vf_info->abs_vf_id;
3104
3105 if (qed_dmae_host2host(p_hwfn, ptt,
3106 vf_info->vf_mbx.pending_req,
3107 vf_info->vf_mbx.req_phys,
3108 sizeof(union vfpf_tlvs) / 4, &params)) {
3109 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3110 "Failed to copy message from VF 0x%02x\n", vfid);
3111
3112 return -EIO;
3113 }
3114
3115 return 0;
3116}
3117
eff16960
YM		 3118static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
3119 u8 *mac, int vfid)
3120{
3121 struct qed_vf_info *vf_info;
3122 u64 feature;
3123
3124 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3125 if (!vf_info) {
3126 DP_NOTICE(p_hwfn->cdev,
3127 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3128 return;
3129 }
3130
3131 feature = 1 << MAC_ADDR_FORCED;
3132 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
3133
3134 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3135 /* Forced MAC will disable MAC_ADDR */
1a635e48 3136 vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
eff16960
YM		 3137
3138 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3139}
3140
08feecd7
YM		 3141void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
3142 u16 pvid, int vfid)
3143{
3144 struct qed_vf_info *vf_info;
3145 u64 feature;
3146
3147 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3148 if (!vf_info) {
3149 DP_NOTICE(p_hwfn->cdev,
3150 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3151 return;
3152 }
3153
3154 feature = 1 << VLAN_ADDR_FORCED;
3155 vf_info->bulletin.p_virt->pvid = pvid;
3156 if (pvid)
3157 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3158 else
3159 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
3160
3161 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3162}
3163
6ddc7608
YM		 3164static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
3165{
3166 struct qed_vf_info *p_vf_info;
3167
3168 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3169 if (!p_vf_info)
3170 return false;
3171
3172 return !!p_vf_info->vport_instance;
3173}
3174
0b55e27d
YM		 3175bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
3176{
3177 struct qed_vf_info *p_vf_info;
3178
3179 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3180 if (!p_vf_info)
3181 return true;
3182
3183 return p_vf_info->state == VF_STOPPED;
3184}
3185
73390ac9
YM		 3186static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
3187{
3188 struct qed_vf_info *vf_info;
3189
3190 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3191 if (!vf_info)
3192 return false;
3193
3194 return vf_info->spoof_chk;
3195}
3196
6ddc7608
YM		 3197int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
3198{
3199 struct qed_vf_info *vf;
3200 int rc = -EINVAL;
3201
3202 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3203 DP_NOTICE(p_hwfn,
3204 "SR-IOV sanity check failed, can't set spoofchk\n");
3205 goto out;
3206 }
3207
3208 vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3209 if (!vf)
3210 goto out;
3211
3212 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
3213 /* After VF VPORT start PF will configure spoof check */
3214 vf->req_spoofchk_val = val;
3215 rc = 0;
3216 goto out;
3217 }
3218
3219 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
3220
3221out:
3222 return rc;
3223}
3224
eff16960
YM		 3225static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
3226 u16 rel_vf_id)
3227{
3228 struct qed_vf_info *p_vf;
3229
3230 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3231 if (!p_vf || !p_vf->bulletin.p_virt)
3232 return NULL;
3233
1a635e48 3234 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
eff16960
YM		 3235 return NULL;
3236
3237 return p_vf->bulletin.p_virt->mac;
3238}
3239
08feecd7
YM		 3240u16 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3241{
3242 struct qed_vf_info *p_vf;
3243
3244 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3245 if (!p_vf || !p_vf->bulletin.p_virt)
3246 return 0;
3247
1a635e48 3248 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
08feecd7
YM		 3249 return 0;
3250
3251 return p_vf->bulletin.p_virt->pvid;
3252}
3253
733def6a
YM		 3254static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
3255 struct qed_ptt *p_ptt, int vfid, int val)
3256{
3257 struct qed_vf_info *vf;
3258 u8 abs_vp_id = 0;
3259 int rc;
3260
3261 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3262 if (!vf)
3263 return -EINVAL;
3264
3265 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
3266 if (rc)
3267 return rc;
3268
3269 return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
3270}
3271
3272int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
3273{
3274 struct qed_vf_info *vf;
3275 u8 vport_id;
3276 int i;
3277
3278 for_each_hwfn(cdev, i) {
3279 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3280
3281 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3282 DP_NOTICE(p_hwfn,
3283 "SR-IOV sanity check failed, can't set min rate\n");
3284 return -EINVAL;
3285 }
3286 }
3287
3288 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
3289 vport_id = vf->vport_id;
3290
3291 return qed_configure_vport_wfq(cdev, vport_id, rate);
3292}
3293
73390ac9
YM		 3294static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
3295{
3296 struct qed_wfq_data *vf_vp_wfq;
3297 struct qed_vf_info *vf_info;
3298
3299 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3300 if (!vf_info)
3301 return 0;
3302
3303 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
3304
3305 if (vf_vp_wfq->configured)
3306 return vf_vp_wfq->min_speed;
3307 else
3308 return 0;
3309}
3310
37bff2b9
YM		 3311/**
3312 * qed_schedule_iov - schedules IOV task for VF and PF
3313 * @hwfn: hardware function pointer
3314 * @flag: IOV flag for VF/PF
3315 */
3316void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3317{
3318 smp_mb__before_atomic();
3319 set_bit(flag, &hwfn->iov_task_flags);
3320 smp_mb__after_atomic();
3321 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3322 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3323}
3324
1408cc1f
YM		 3325void qed_vf_start_iov_wq(struct qed_dev *cdev)
3326{
3327 int i;
3328
3329 for_each_hwfn(cdev, i)
3330 queue_delayed_work(cdev->hwfns[i].iov_wq,
3331 &cdev->hwfns[i].iov_task, 0);
3332}
3333
0b55e27d
YM		 3334int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3335{
3336 int i, j;
3337
3338 for_each_hwfn(cdev, i)
3339 if (cdev->hwfns[i].iov_wq)
3340 flush_workqueue(cdev->hwfns[i].iov_wq);
3341
3342 /* Mark VFs for disablement */
3343 qed_iov_set_vfs_to_disable(cdev, true);
3344
3345 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3346 pci_disable_sriov(cdev->pdev);
3347
3348 for_each_hwfn(cdev, i) {
3349 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3350 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3351
3352 /* Failure to acquire the ptt in 100g creates an odd error
3353 * where the first engine has already relased IOV.
3354 */
3355 if (!ptt) {
3356 DP_ERR(hwfn, "Failed to acquire ptt\n");
3357 return -EBUSY;
3358 }
3359
733def6a
YM		 3360 /* Clean WFQ db and configure equal weight for all vports */
3361 qed_clean_wfq_db(hwfn, ptt);
3362
0b55e27d
YM		 3363 qed_for_each_vf(hwfn, j) {
3364 int k;
3365
3366 if (!qed_iov_is_valid_vfid(hwfn, j, true))
3367 continue;
3368
3369 /* Wait until VF is disabled before releasing */
3370 for (k = 0; k < 100; k++) {
3371 if (!qed_iov_is_vf_stopped(hwfn, j))
3372 msleep(20);
3373 else
3374 break;
3375 }
3376
3377 if (k < 100)
3378 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3379 ptt, j);
3380 else
3381 DP_ERR(hwfn,
3382 "Timeout waiting for VF's FLR to end\n");
3383 }
3384
3385 qed_ptt_release(hwfn, ptt);
3386 }
3387
3388 qed_iov_set_vfs_to_disable(cdev, false);
3389
3390 return 0;
3391}
3392
3393static int qed_sriov_enable(struct qed_dev *cdev, int num)
3394{
3395 struct qed_sb_cnt_info sb_cnt_info;
3396 int i, j, rc;
3397
3398 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3399 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3400 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3401 return -EINVAL;
3402 }
3403
3404 /* Initialize HW for VF access */
3405 for_each_hwfn(cdev, j) {
3406 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3407 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3408 int num_sbs = 0, limit = 16;
3409
3410 if (!ptt) {
3411 DP_ERR(hwfn, "Failed to acquire ptt\n");
3412 rc = -EBUSY;
3413 goto err;
3414 }
3415
83f34bd4
YM		 3416 if (IS_MF_DEFAULT(hwfn))
3417 limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3418
0b55e27d
YM		 3419 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3420 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3421 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3422
3423 for (i = 0; i < num; i++) {
3424 if (!qed_iov_is_valid_vfid(hwfn, i, false))
3425 continue;
3426
3427 rc = qed_iov_init_hw_for_vf(hwfn,
3428 ptt, i, num_sbs / num);
3429 if (rc) {
3430 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3431 qed_ptt_release(hwfn, ptt);
3432 goto err;
3433 }
3434 }
3435
3436 qed_ptt_release(hwfn, ptt);
3437 }
3438
3439 /* Enable SRIOV PCIe functions */
3440 rc = pci_enable_sriov(cdev->pdev, num);
3441 if (rc) {
3442 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3443 goto err;
3444 }
3445
3446 return num;
3447
3448err:
3449 qed_sriov_disable(cdev, false);
3450 return rc;
3451}
3452
3453static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3454{
3455 if (!IS_QED_SRIOV(cdev)) {
3456 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3457 return -EOPNOTSUPP;
3458 }
3459
3460 if (num_vfs_param)
3461 return qed_sriov_enable(cdev, num_vfs_param);
3462 else
3463 return qed_sriov_disable(cdev, true);
3464}
3465
eff16960
YM		 3466static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3467{
3468 int i;
3469
3470 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3471 DP_VERBOSE(cdev, QED_MSG_IOV,
3472 "Cannot set a VF MAC; Sriov is not enabled\n");
3473 return -EINVAL;
3474 }
3475
3476 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3477 DP_VERBOSE(cdev, QED_MSG_IOV,
3478 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3479 return -EINVAL;
3480 }
3481
3482 for_each_hwfn(cdev, i) {
3483 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3484 struct qed_public_vf_info *vf_info;
3485
3486 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3487 if (!vf_info)
3488 continue;
3489
3490 /* Set the forced MAC, and schedule the IOV task */
3491 ether_addr_copy(vf_info->forced_mac, mac);
3492 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3493 }
3494
3495 return 0;
3496}
3497
08feecd7
YM		 3498static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3499{
3500 int i;
3501
3502 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3503 DP_VERBOSE(cdev, QED_MSG_IOV,
3504 "Cannot set a VF MAC; Sriov is not enabled\n");
3505 return -EINVAL;
3506 }
3507
3508 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3509 DP_VERBOSE(cdev, QED_MSG_IOV,
3510 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3511 return -EINVAL;
3512 }
3513
3514 for_each_hwfn(cdev, i) {
3515 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3516 struct qed_public_vf_info *vf_info;
3517
3518 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3519 if (!vf_info)
3520 continue;
3521
3522 /* Set the forced vlan, and schedule the IOV task */
3523 vf_info->forced_vlan = vid;
3524 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3525 }
3526
3527 return 0;
3528}
3529
73390ac9
YM		 3530static int qed_get_vf_config(struct qed_dev *cdev,
3531 int vf_id, struct ifla_vf_info *ivi)
3532{
3533 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3534 struct qed_public_vf_info *vf_info;
3535 struct qed_mcp_link_state link;
3536 u32 tx_rate;
3537
3538 /* Sanitize request */
3539 if (IS_VF(cdev))
3540 return -EINVAL;
3541
3542 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3543 DP_VERBOSE(cdev, QED_MSG_IOV,
3544 "VF index [%d] isn't active\n", vf_id);
3545 return -EINVAL;
3546 }
3547
3548 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3549
3550 qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3551
3552 /* Fill information about VF */
3553 ivi->vf = vf_id;
3554
3555 if (is_valid_ether_addr(vf_info->forced_mac))
3556 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3557 else
3558 ether_addr_copy(ivi->mac, vf_info->mac);
3559
3560 ivi->vlan = vf_info->forced_vlan;
3561 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3562 ivi->linkstate = vf_info->link_state;
3563 tx_rate = vf_info->tx_rate;
3564 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3565 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3566
3567 return 0;
3568}
3569
36558c3d
YM		 3570void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3571{
3572 struct qed_mcp_link_capabilities caps;
3573 struct qed_mcp_link_params params;
3574 struct qed_mcp_link_state link;
3575 int i;
3576
3577 if (!hwfn->pf_iov_info)
3578 return;
3579
3580 /* Update bulletin of all future possible VFs with link configuration */
3581 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
733def6a
YM		 3582 struct qed_public_vf_info *vf_info;
3583
3584 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3585 if (!vf_info)
3586 continue;
3587
36558c3d
YM		 3588 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3589 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3590 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3591 sizeof(caps));
3592
733def6a
YM		 3593 /* Modify link according to the VF's configured link state */
3594 switch (vf_info->link_state) {
3595 case IFLA_VF_LINK_STATE_DISABLE:
3596 link.link_up = false;
3597 break;
3598 case IFLA_VF_LINK_STATE_ENABLE:
3599 link.link_up = true;
3600 /* Set speed according to maximum supported by HW.
3601 * that is 40G for regular devices and 100G for CMT
3602 * mode devices.
3603 */
3604 link.speed = (hwfn->cdev->num_hwfns > 1) ?
3605 100000 : 40000;
3606 default:
3607 /* In auto mode pass PF link image to VF */
3608 break;
3609 }
3610
3611 if (link.link_up && vf_info->tx_rate) {
3612 struct qed_ptt *ptt;
3613 int rate;
3614
3615 rate = min_t(int, vf_info->tx_rate, link.speed);
3616
3617 ptt = qed_ptt_acquire(hwfn);
3618 if (!ptt) {
3619 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3620 return;
3621 }
3622
3623 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3624 vf_info->tx_rate = rate;
3625 link.speed = rate;
3626 }
3627
3628 qed_ptt_release(hwfn, ptt);
3629 }
3630
36558c3d
YM		 3631 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3632 }
3633
3634 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3635}
3636
733def6a
YM		 3637static int qed_set_vf_link_state(struct qed_dev *cdev,
3638 int vf_id, int link_state)
3639{
3640 int i;
3641
3642 /* Sanitize request */
3643 if (IS_VF(cdev))
3644 return -EINVAL;
3645
3646 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3647 DP_VERBOSE(cdev, QED_MSG_IOV,
3648 "VF index [%d] isn't active\n", vf_id);
3649 return -EINVAL;
3650 }
3651
3652 /* Handle configuration of link state */
3653 for_each_hwfn(cdev, i) {
3654 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3655 struct qed_public_vf_info *vf;
3656
3657 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3658 if (!vf)
3659 continue;
3660
3661 if (vf->link_state == link_state)
3662 continue;
3663
3664 vf->link_state = link_state;
3665 qed_inform_vf_link_state(&cdev->hwfns[i]);
3666 }
3667
3668 return 0;
3669}
3670
6ddc7608
YM		 3671static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3672{
3673 int i, rc = -EINVAL;
3674
3675 for_each_hwfn(cdev, i) {
3676 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3677
3678 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3679 if (rc)
3680 break;
3681 }
3682
3683 return rc;
3684}
3685
733def6a
YM		 3686static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3687{
3688 int i;
3689
3690 for_each_hwfn(cdev, i) {
3691 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3692 struct qed_public_vf_info *vf;
3693
3694 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3695 DP_NOTICE(p_hwfn,
3696 "SR-IOV sanity check failed, can't set tx rate\n");
3697 return -EINVAL;
3698 }
3699
3700 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3701
3702 vf->tx_rate = rate;
3703
3704 qed_inform_vf_link_state(p_hwfn);
3705 }
3706
3707 return 0;
3708}
3709
3710static int qed_set_vf_rate(struct qed_dev *cdev,
3711 int vfid, u32 min_rate, u32 max_rate)
3712{
3713 int rc_min = 0, rc_max = 0;
3714
3715 if (max_rate)
3716 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3717
3718 if (min_rate)
3719 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3720
3721 if (rc_max | rc_min)
3722 return -EINVAL;
3723
3724 return 0;
3725}
3726
37bff2b9
YM		 3727static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3728{
3729 u64 events[QED_VF_ARRAY_LENGTH];
3730 struct qed_ptt *ptt;
3731 int i;
3732
3733 ptt = qed_ptt_acquire(hwfn);
3734 if (!ptt) {
3735 DP_VERBOSE(hwfn, QED_MSG_IOV,
3736 "Can't acquire PTT; re-scheduling\n");
3737 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3738 return;
3739 }
3740
3741 qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3742
3743 DP_VERBOSE(hwfn, QED_MSG_IOV,
3744 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3745 events[0], events[1], events[2]);
3746
3747 qed_for_each_vf(hwfn, i) {
3748 /* Skip VFs with no pending messages */
3749 if (!(events[i / 64] & (1ULL << (i % 64))))
3750 continue;
3751
3752 DP_VERBOSE(hwfn, QED_MSG_IOV,
3753 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3754 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3755
3756 /* Copy VF's message to PF's request buffer for that VF */
3757 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3758 continue;
3759
3760 qed_iov_process_mbx_req(hwfn, ptt, i);
3761 }
3762
3763 qed_ptt_release(hwfn, ptt);
3764}
3765
08feecd7
YM		 3766static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3767{
3768 int i;
3769
3770 qed_for_each_vf(hwfn, i) {
3771 struct qed_public_vf_info *info;
3772 bool update = false;
eff16960 3773 u8 *mac;
08feecd7
YM		 3774
3775 info = qed_iov_get_public_vf_info(hwfn, i, true);
3776 if (!info)
3777 continue;
3778
3779 /* Update data on bulletin board */
eff16960
YM		 3780 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3781 if (is_valid_ether_addr(info->forced_mac) &&
3782 (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3783 DP_VERBOSE(hwfn,
3784 QED_MSG_IOV,
3785 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3786 i,
3787 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3788
3789 /* Update bulletin board with forced MAC */
3790 qed_iov_bulletin_set_forced_mac(hwfn,
3791 info->forced_mac, i);
3792 update = true;
3793 }
08feecd7
YM		 3794
3795 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3796 info->forced_vlan) {
3797 DP_VERBOSE(hwfn,
3798 QED_MSG_IOV,
3799 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3800 info->forced_vlan,
3801 i,
3802 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3803 qed_iov_bulletin_set_forced_vlan(hwfn,
3804 info->forced_vlan, i);
3805 update = true;
3806 }
3807
3808 if (update)
3809 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3810 }
3811}
3812
36558c3d
YM		 3813static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3814{
3815 struct qed_ptt *ptt;
3816 int i;
3817
3818 ptt = qed_ptt_acquire(hwfn);
3819 if (!ptt) {
3820 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3821 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3822 return;
3823 }
3824
3825 qed_for_each_vf(hwfn, i)
3826 qed_iov_post_vf_bulletin(hwfn, i, ptt);
3827
3828 qed_ptt_release(hwfn, ptt);
3829}
3830
37bff2b9
YM		 3831void qed_iov_pf_task(struct work_struct *work)
3832{
3833 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3834 iov_task.work);
0b55e27d 3835 int rc;
37bff2b9
YM		 3836
3837 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3838 return;
3839
0b55e27d
YM		 3840 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3841 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3842
3843 if (!ptt) {
3844 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3845 return;
3846 }
3847
3848 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3849 if (rc)
3850 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3851
3852 qed_ptt_release(hwfn, ptt);
3853 }
3854
37bff2b9
YM		 3855 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3856 qed_handle_vf_msg(hwfn);
08feecd7
YM		 3857
3858 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3859 &hwfn->iov_task_flags))
3860 qed_handle_pf_set_vf_unicast(hwfn);
3861
36558c3d
YM		 3862 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3863 &hwfn->iov_task_flags))
3864 qed_handle_bulletin_post(hwfn);
37bff2b9
YM		 3865}
3866
3867void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3868{
3869 int i;
3870
3871 for_each_hwfn(cdev, i) {
3872 if (!cdev->hwfns[i].iov_wq)
3873 continue;
3874
3875 if (schedule_first) {
3876 qed_schedule_iov(&cdev->hwfns[i],
3877 QED_IOV_WQ_STOP_WQ_FLAG);
3878 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3879 }
3880
3881 flush_workqueue(cdev->hwfns[i].iov_wq);
3882 destroy_workqueue(cdev->hwfns[i].iov_wq);
3883 }
3884}
3885
3886int qed_iov_wq_start(struct qed_dev *cdev)
3887{
3888 char name[NAME_SIZE];
3889 int i;
3890
3891 for_each_hwfn(cdev, i) {
3892 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3893
36558c3d
YM		 3894 /* PFs needs a dedicated workqueue only if they support IOV.
3895 * VFs always require one.
3896 */
3897 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
37bff2b9
YM		 3898 continue;
3899
3900 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3901 cdev->pdev->bus->number,
3902 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3903
3904 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3905 if (!p_hwfn->iov_wq) {
3906 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3907 return -ENOMEM;
3908 }
3909
36558c3d
YM		 3910 if (IS_PF(cdev))
3911 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3912 else
3913 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
37bff2b9
YM		 3914 }
3915
3916 return 0;
3917}
0b55e27d
YM		 3918
3919const struct qed_iov_hv_ops qed_iov_ops_pass = {
3920 .configure = &qed_sriov_configure,
eff16960 3921 .set_mac = &qed_sriov_pf_set_mac,
08feecd7 3922 .set_vlan = &qed_sriov_pf_set_vlan,
73390ac9 3923 .get_config = &qed_get_vf_config,
733def6a 3924 .set_link_state = &qed_set_vf_link_state,
6ddc7608 3925 .set_spoof = &qed_spoof_configure,
733def6a 3926 .set_rate = &qed_set_vf_rate,
0b55e27d 3927};
Linux 6.x block layer and io_uring tree(s)