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Merge remote-tracking branch 'mmc-uh/next'
[deliverable/linux.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
ba56947a
BX		 111static bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
112 int rel_vf_id, bool b_enabled_only)
32a47e72
YM		 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
ba56947a
BX		 189static int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
190 int vfid, struct qed_ptt *p_ptt)
36558c3d
YM		 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
ba56947a 576static void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
0b55e27d
YM		 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
ba56947a
BX		 1133static struct
1134qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1135 u16 relative_vf_id,
1136 bool b_enabled_only)
0b55e27d
YM		 1137{
1138 struct qed_vf_info *vf = NULL;
1139
1140 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1141 if (!vf)
1142 return NULL;
1143
1144 return &vf->p_vf_info;
1145}
1146
ba56947a 1147static void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
0b55e27d
YM		 1148{
1149 struct qed_public_vf_info *vf_info;
1150
1151 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1152
1153 if (!vf_info)
1154 return;
1155
1156 /* Clear the VF mac */
1157 memset(vf_info->mac, 0, ETH_ALEN);
1158}
1159
1160static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1161 struct qed_vf_info *p_vf)
1162{
1163 u32 i;
1164
1165 p_vf->vf_bulletin = 0;
dacd88d6 1166 p_vf->vport_instance = 0;
08feecd7 1167 p_vf->configured_features = 0;
0b55e27d
YM		 1168
1169 /* If VF previously requested less resources, go back to default */
1170 p_vf->num_rxqs = p_vf->num_sbs;
1171 p_vf->num_txqs = p_vf->num_sbs;
1172
dacd88d6
YM		 1173 p_vf->num_active_rxqs = 0;
1174
0b55e27d
YM		 1175 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1176 p_vf->vf_queues[i].rxq_active = 0;
1177
08feecd7 1178 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
1fe614d1 1179 memset(&p_vf->acquire, 0, sizeof(p_vf->acquire));
0b55e27d
YM		 1180 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1181}
1182
1cf2b1a9
YM		 1183static u8 qed_iov_vf_mbx_acquire_resc(struct qed_hwfn *p_hwfn,
1184 struct qed_ptt *p_ptt,
1185 struct qed_vf_info *p_vf,
1186 struct vf_pf_resc_request *p_req,
1187 struct pf_vf_resc *p_resp)
1188{
1189 int i;
1190
1191 /* Queue related information */
1192 p_resp->num_rxqs = p_vf->num_rxqs;
1193 p_resp->num_txqs = p_vf->num_txqs;
1194 p_resp->num_sbs = p_vf->num_sbs;
1195
1196 for (i = 0; i < p_resp->num_sbs; i++) {
1197 p_resp->hw_sbs[i].hw_sb_id = p_vf->igu_sbs[i];
1198 p_resp->hw_sbs[i].sb_qid = 0;
1199 }
1200
1201 /* These fields are filled for backward compatibility.
1202 * Unused by modern vfs.
1203 */
1204 for (i = 0; i < p_resp->num_rxqs; i++) {
1205 qed_fw_l2_queue(p_hwfn, p_vf->vf_queues[i].fw_rx_qid,
1206 (u16 *)&p_resp->hw_qid[i]);
1207 p_resp->cid[i] = p_vf->vf_queues[i].fw_cid;
1208 }
1209
1210 /* Filter related information */
1211 p_resp->num_mac_filters = min_t(u8, p_vf->num_mac_filters,
1212 p_req->num_mac_filters);
1213 p_resp->num_vlan_filters = min_t(u8, p_vf->num_vlan_filters,
1214 p_req->num_vlan_filters);
1215
1216 /* This isn't really needed/enforced, but some legacy VFs might depend
1217 * on the correct filling of this field.
1218 */
1219 p_resp->num_mc_filters = QED_MAX_MC_ADDRS;
1220
1221 /* Validate sufficient resources for VF */
1222 if (p_resp->num_rxqs < p_req->num_rxqs ||
1223 p_resp->num_txqs < p_req->num_txqs ||
1224 p_resp->num_sbs < p_req->num_sbs ||
1225 p_resp->num_mac_filters < p_req->num_mac_filters ||
1226 p_resp->num_vlan_filters < p_req->num_vlan_filters ||
1227 p_resp->num_mc_filters < p_req->num_mc_filters) {
1228 DP_VERBOSE(p_hwfn,
1229 QED_MSG_IOV,
1230 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1231 p_vf->abs_vf_id,
1232 p_req->num_rxqs,
1233 p_resp->num_rxqs,
1234 p_req->num_rxqs,
1235 p_resp->num_txqs,
1236 p_req->num_sbs,
1237 p_resp->num_sbs,
1238 p_req->num_mac_filters,
1239 p_resp->num_mac_filters,
1240 p_req->num_vlan_filters,
1241 p_resp->num_vlan_filters,
1242 p_req->num_mc_filters, p_resp->num_mc_filters);
a044df83
YM		 1243
1244 /* Some legacy OSes are incapable of correctly handling this
1245 * failure.
1246 */
1247 if ((p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1248 ETH_HSI_VER_NO_PKT_LEN_TUNN) &&
1249 (p_vf->acquire.vfdev_info.os_type ==
1250 VFPF_ACQUIRE_OS_WINDOWS))
1251 return PFVF_STATUS_SUCCESS;
1252
1cf2b1a9
YM		 1253 return PFVF_STATUS_NO_RESOURCE;
1254 }
1255
1256 return PFVF_STATUS_SUCCESS;
1257}
1258
1259static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn *p_hwfn,
1260 struct pfvf_stats_info *p_stats)
1261{
1262 p_stats->mstats.address = PXP_VF_BAR0_START_MSDM_ZONE_B +
1263 offsetof(struct mstorm_vf_zone,
1264 non_trigger.eth_queue_stat);
1265 p_stats->mstats.len = sizeof(struct eth_mstorm_per_queue_stat);
1266 p_stats->ustats.address = PXP_VF_BAR0_START_USDM_ZONE_B +
1267 offsetof(struct ustorm_vf_zone,
1268 non_trigger.eth_queue_stat);
1269 p_stats->ustats.len = sizeof(struct eth_ustorm_per_queue_stat);
1270 p_stats->pstats.address = PXP_VF_BAR0_START_PSDM_ZONE_B +
1271 offsetof(struct pstorm_vf_zone,
1272 non_trigger.eth_queue_stat);
1273 p_stats->pstats.len = sizeof(struct eth_pstorm_per_queue_stat);
1274 p_stats->tstats.address = 0;
1275 p_stats->tstats.len = 0;
1276}
1277
1408cc1f
YM		 1278static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1279 struct qed_ptt *p_ptt,
1280 struct qed_vf_info *vf)
37bff2b9 1281{
1408cc1f
YM		 1282 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1283 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1284 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1285 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1cf2b1a9 1286 u8 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1408cc1f 1287 struct pf_vf_resc *resc = &resp->resc;
1fe614d1
YM		 1288 int rc;
1289
1290 memset(resp, 0, sizeof(*resp));
1408cc1f 1291
05fafbfb
YM		 1292 /* Write the PF version so that VF would know which version
1293 * is supported - might be later overriden. This guarantees that
1294 * VF could recognize legacy PF based on lack of versions in reply.
1295 */
1296 pfdev_info->major_fp_hsi = ETH_HSI_VER_MAJOR;
1297 pfdev_info->minor_fp_hsi = ETH_HSI_VER_MINOR;
1298
a044df83
YM		 1299 if (vf->state != VF_FREE && vf->state != VF_STOPPED) {
1300 DP_VERBOSE(p_hwfn,
1301 QED_MSG_IOV,
1302 "VF[%d] sent ACQUIRE but is already in state %d - fail request\n",
1303 vf->abs_vf_id, vf->state);
1304 goto out;
1305 }
1306
1408cc1f 1307 /* Validate FW compatibility */
1fe614d1 1308 if (req->vfdev_info.eth_fp_hsi_major != ETH_HSI_VER_MAJOR) {
a044df83
YM		 1309 if (req->vfdev_info.capabilities &
1310 VFPF_ACQUIRE_CAP_PRE_FP_HSI) {
1311 struct vf_pf_vfdev_info *p_vfdev = &req->vfdev_info;
1fe614d1 1312
a044df83
YM		 1313 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1314 "VF[%d] is pre-fastpath HSI\n",
1315 vf->abs_vf_id);
1316 p_vfdev->eth_fp_hsi_major = ETH_HSI_VER_MAJOR;
1317 p_vfdev->eth_fp_hsi_minor = ETH_HSI_VER_NO_PKT_LEN_TUNN;
1318 } else {
1319 DP_INFO(p_hwfn,
1320 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1321 vf->abs_vf_id,
1322 req->vfdev_info.eth_fp_hsi_major,
1323 req->vfdev_info.eth_fp_hsi_minor,
1324 ETH_HSI_VER_MAJOR, ETH_HSI_VER_MINOR);
1325
1326 goto out;
1327 }
1408cc1f
YM		 1328 }
1329
1330 /* On 100g PFs, prevent old VFs from loading */
1331 if ((p_hwfn->cdev->num_hwfns > 1) &&
1332 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1333 DP_INFO(p_hwfn,
1334 "VF[%d] is running an old driver that doesn't support 100g\n",
1335 vf->abs_vf_id);
1408cc1f
YM		 1336 goto out;
1337 }
1338
1fe614d1
YM		 1339 /* Store the acquire message */
1340 memcpy(&vf->acquire, req, sizeof(vf->acquire));
1408cc1f 1341
1408cc1f 1342 vf->opaque_fid = req->vfdev_info.opaque_fid;
1408cc1f
YM		 1343
1344 vf->vf_bulletin = req->bulletin_addr;
1345 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1346 vf->bulletin.size : req->bulletin_size;
1347
1348 /* fill in pfdev info */
1349 pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1350 pfdev_info->db_size = 0;
1351 pfdev_info->indices_per_sb = PIS_PER_SB;
1352
1353 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1354 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1355 if (p_hwfn->cdev->num_hwfns > 1)
1356 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1357
1cf2b1a9 1358 qed_iov_vf_mbx_acquire_stats(p_hwfn, &pfdev_info->stats_info);
1408cc1f
YM		 1359
1360 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1361
1362 pfdev_info->fw_major = FW_MAJOR_VERSION;
1363 pfdev_info->fw_minor = FW_MINOR_VERSION;
1364 pfdev_info->fw_rev = FW_REVISION_VERSION;
1365 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
a044df83
YM		 1366
1367 /* Incorrect when legacy, but doesn't matter as legacy isn't reading
1368 * this field.
1369 */
1a635e48 1370 pfdev_info->minor_fp_hsi = min_t(u8, ETH_HSI_VER_MINOR,
1fe614d1 1371 req->vfdev_info.eth_fp_hsi_minor);
1408cc1f
YM		 1372 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1373 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1374
1375 pfdev_info->dev_type = p_hwfn->cdev->type;
1376 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1377
1cf2b1a9
YM		 1378 /* Fill resources available to VF; Make sure there are enough to
1379 * satisfy the VF's request.
1408cc1f 1380 */
1cf2b1a9
YM		 1381 vfpf_status = qed_iov_vf_mbx_acquire_resc(p_hwfn, p_ptt, vf,
1382 &req->resc_request, resc);
1383 if (vfpf_status != PFVF_STATUS_SUCCESS)
1384 goto out;
1408cc1f 1385
1fe614d1
YM		 1386 /* Start the VF in FW */
1387 rc = qed_sp_vf_start(p_hwfn, vf);
1388 if (rc) {
1389 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
1390 vfpf_status = PFVF_STATUS_FAILURE;
1391 goto out;
1392 }
1393
1408cc1f
YM		 1394 /* Fill agreed size of bulletin board in response */
1395 resp->bulletin_size = vf->bulletin.size;
36558c3d 1396 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1408cc1f
YM		 1397
1398 DP_VERBOSE(p_hwfn,
1399 QED_MSG_IOV,
1400 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1401 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1402 vf->abs_vf_id,
1403 resp->pfdev_info.chip_num,
1404 resp->pfdev_info.db_size,
1405 resp->pfdev_info.indices_per_sb,
1406 resp->pfdev_info.capabilities,
1407 resc->num_rxqs,
1408 resc->num_txqs,
1409 resc->num_sbs,
1410 resc->num_mac_filters,
1411 resc->num_vlan_filters);
1412 vf->state = VF_ACQUIRED;
1413
1414 /* Prepare Response */
1415out:
1416 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1417 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
37bff2b9
YM		 1418}
1419
6ddc7608
YM		 1420static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1421 struct qed_vf_info *p_vf, bool val)
1422{
1423 struct qed_sp_vport_update_params params;
1424 int rc;
1425
1426 if (val == p_vf->spoof_chk) {
1427 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1428 "Spoofchk value[%d] is already configured\n", val);
1429 return 0;
1430 }
1431
1432 memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1433 params.opaque_fid = p_vf->opaque_fid;
1434 params.vport_id = p_vf->vport_id;
1435 params.update_anti_spoofing_en_flg = 1;
1436 params.anti_spoofing_en = val;
1437
1438 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
cb1fa088 1439 if (!rc) {
6ddc7608
YM		 1440 p_vf->spoof_chk = val;
1441 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1442 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1443 "Spoofchk val[%d] configured\n", val);
1444 } else {
1445 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1446 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1447 val, p_vf->relative_vf_id);
1448 }
1449
1450 return rc;
1451}
1452
08feecd7
YM		 1453static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1454 struct qed_vf_info *p_vf)
1455{
1456 struct qed_filter_ucast filter;
1457 int rc = 0;
1458 int i;
1459
1460 memset(&filter, 0, sizeof(filter));
1461 filter.is_rx_filter = 1;
1462 filter.is_tx_filter = 1;
1463 filter.vport_to_add_to = p_vf->vport_id;
1464 filter.opcode = QED_FILTER_ADD;
1465
1466 /* Reconfigure vlans */
1467 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1468 if (!p_vf->shadow_config.vlans[i].used)
1469 continue;
1470
1471 filter.type = QED_FILTER_VLAN;
1472 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1a635e48 1473 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
08feecd7
YM		 1474 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1475 filter.vlan, p_vf->relative_vf_id);
1a635e48
YM		 1476 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1477 &filter, QED_SPQ_MODE_CB, NULL);
08feecd7
YM		 1478 if (rc) {
1479 DP_NOTICE(p_hwfn,
1480 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1481 filter.vlan, p_vf->relative_vf_id);
1482 break;
1483 }
1484 }
1485
1486 return rc;
1487}
1488
1489static int
1490qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1491 struct qed_vf_info *p_vf, u64 events)
1492{
1493 int rc = 0;
1494
1a635e48 1495 if ((events & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 1496 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1497 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1498
1499 return rc;
1500}
1501
1502static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1503 struct qed_vf_info *p_vf, u64 events)
1504{
1505 int rc = 0;
1506 struct qed_filter_ucast filter;
1507
1508 if (!p_vf->vport_instance)
1509 return -EINVAL;
1510
1a635e48 1511 if (events & BIT(MAC_ADDR_FORCED)) {
eff16960
YM		 1512 /* Since there's no way [currently] of removing the MAC,
1513 * we can always assume this means we need to force it.
1514 */
1515 memset(&filter, 0, sizeof(filter));
1516 filter.type = QED_FILTER_MAC;
1517 filter.opcode = QED_FILTER_REPLACE;
1518 filter.is_rx_filter = 1;
1519 filter.is_tx_filter = 1;
1520 filter.vport_to_add_to = p_vf->vport_id;
1521 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1522
1523 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1524 &filter, QED_SPQ_MODE_CB, NULL);
1525 if (rc) {
1526 DP_NOTICE(p_hwfn,
1527 "PF failed to configure MAC for VF\n");
1528 return rc;
1529 }
1530
1531 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1532 }
1533
1a635e48 1534 if (events & BIT(VLAN_ADDR_FORCED)) {
08feecd7
YM		 1535 struct qed_sp_vport_update_params vport_update;
1536 u8 removal;
1537 int i;
1538
1539 memset(&filter, 0, sizeof(filter));
1540 filter.type = QED_FILTER_VLAN;
1541 filter.is_rx_filter = 1;
1542 filter.is_tx_filter = 1;
1543 filter.vport_to_add_to = p_vf->vport_id;
1544 filter.vlan = p_vf->bulletin.p_virt->pvid;
1545 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1546 QED_FILTER_FLUSH;
1547
1548 /* Send the ramrod */
1549 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1550 &filter, QED_SPQ_MODE_CB, NULL);
1551 if (rc) {
1552 DP_NOTICE(p_hwfn,
1553 "PF failed to configure VLAN for VF\n");
1554 return rc;
1555 }
1556
1557 /* Update the default-vlan & silent vlan stripping */
1558 memset(&vport_update, 0, sizeof(vport_update));
1559 vport_update.opaque_fid = p_vf->opaque_fid;
1560 vport_update.vport_id = p_vf->vport_id;
1561 vport_update.update_default_vlan_enable_flg = 1;
1562 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1563 vport_update.update_default_vlan_flg = 1;
1564 vport_update.default_vlan = filter.vlan;
1565
1566 vport_update.update_inner_vlan_removal_flg = 1;
1567 removal = filter.vlan ? 1
1568 : p_vf->shadow_config.inner_vlan_removal;
1569 vport_update.inner_vlan_removal_flg = removal;
1570 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1571 rc = qed_sp_vport_update(p_hwfn,
1572 &vport_update,
1573 QED_SPQ_MODE_EBLOCK, NULL);
1574 if (rc) {
1575 DP_NOTICE(p_hwfn,
1576 "PF failed to configure VF vport for vlan\n");
1577 return rc;
1578 }
1579
1580 /* Update all the Rx queues */
1581 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1582 u16 qid;
1583
1584 if (!p_vf->vf_queues[i].rxq_active)
1585 continue;
1586
1587 qid = p_vf->vf_queues[i].fw_rx_qid;
1588
1589 rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1590 1, 0, 1,
1591 QED_SPQ_MODE_EBLOCK,
1592 NULL);
1593 if (rc) {
1594 DP_NOTICE(p_hwfn,
1595 "Failed to send Rx update fo queue[0x%04x]\n",
1596 qid);
1597 return rc;
1598 }
1599 }
1600
1601 if (filter.vlan)
1602 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1603 else
1a635e48 1604 p_vf->configured_features &= ~BIT(VLAN_ADDR_FORCED);
08feecd7
YM		 1605 }
1606
1607 /* If forced features are terminated, we need to configure the shadow
1608 * configuration back again.
1609 */
1610 if (events)
1611 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1612
1613 return rc;
1614}
1615
dacd88d6
YM		 1616static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1617 struct qed_ptt *p_ptt,
1618 struct qed_vf_info *vf)
1619{
1620 struct qed_sp_vport_start_params params = { 0 };
1621 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1622 struct vfpf_vport_start_tlv *start;
1623 u8 status = PFVF_STATUS_SUCCESS;
1624 struct qed_vf_info *vf_info;
08feecd7 1625 u64 *p_bitmap;
dacd88d6
YM		 1626 int sb_id;
1627 int rc;
1628
1629 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1630 if (!vf_info) {
1631 DP_NOTICE(p_hwfn->cdev,
1632 "Failed to get VF info, invalid vfid [%d]\n",
1633 vf->relative_vf_id);
1634 return;
1635 }
1636
1637 vf->state = VF_ENABLED;
1638 start = &mbx->req_virt->start_vport;
1639
1640 /* Initialize Status block in CAU */
1641 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1642 if (!start->sb_addr[sb_id]) {
1643 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1644 "VF[%d] did not fill the address of SB %d\n",
1645 vf->relative_vf_id, sb_id);
1646 break;
1647 }
1648
1649 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1650 start->sb_addr[sb_id],
1a635e48 1651 vf->igu_sbs[sb_id], vf->abs_vf_id, 1);
dacd88d6
YM		 1652 }
1653 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1654
1655 vf->mtu = start->mtu;
08feecd7
YM		 1656 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1657
1658 /* Take into consideration configuration forced by hypervisor;
1659 * If none is configured, use the supplied VF values [for old
1660 * vfs that would still be fine, since they passed '0' as padding].
1661 */
1662 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1a635e48 1663 if (!(*p_bitmap & BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
08feecd7
YM		 1664 u8 vf_req = start->only_untagged;
1665
1666 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1667 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1668 }
dacd88d6
YM		 1669
1670 params.tpa_mode = start->tpa_mode;
1671 params.remove_inner_vlan = start->inner_vlan_removal;
831bfb0e 1672 params.tx_switching = true;
dacd88d6 1673
08feecd7 1674 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
dacd88d6
YM		 1675 params.drop_ttl0 = false;
1676 params.concrete_fid = vf->concrete_fid;
1677 params.opaque_fid = vf->opaque_fid;
1678 params.vport_id = vf->vport_id;
1679 params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1680 params.mtu = vf->mtu;
11a85d75 1681 params.check_mac = true;
dacd88d6
YM		 1682
1683 rc = qed_sp_eth_vport_start(p_hwfn, &params);
1a635e48 1684 if (rc) {
dacd88d6
YM		 1685 DP_ERR(p_hwfn,
1686 "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1687 status = PFVF_STATUS_FAILURE;
1688 } else {
1689 vf->vport_instance++;
08feecd7
YM		 1690
1691 /* Force configuration if needed on the newly opened vport */
1692 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
6ddc7608
YM		 1693
1694 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
dacd88d6
YM		 1695 }
1696 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1697 sizeof(struct pfvf_def_resp_tlv), status);
1698}
1699
1700static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1701 struct qed_ptt *p_ptt,
1702 struct qed_vf_info *vf)
1703{
1704 u8 status = PFVF_STATUS_SUCCESS;
1705 int rc;
1706
1707 vf->vport_instance--;
6ddc7608 1708 vf->spoof_chk = false;
dacd88d6
YM		 1709
1710 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1a635e48 1711 if (rc) {
dacd88d6
YM		 1712 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1713 rc);
1714 status = PFVF_STATUS_FAILURE;
1715 }
1716
08feecd7
YM		 1717 /* Forget the configuration on the vport */
1718 vf->configured_features = 0;
1719 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1720
dacd88d6
YM		 1721 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1722 sizeof(struct pfvf_def_resp_tlv), status);
1723}
1724
dacd88d6
YM		 1725static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1726 struct qed_ptt *p_ptt,
a044df83
YM		 1727 struct qed_vf_info *vf,
1728 u8 status, bool b_legacy)
dacd88d6
YM		 1729{
1730 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1731 struct pfvf_start_queue_resp_tlv *p_tlv;
1732 struct vfpf_start_rxq_tlv *req;
a044df83 1733 u16 length;
dacd88d6
YM		 1734
1735 mbx->offset = (u8 *)mbx->reply_virt;
1736
a044df83
YM		 1737 /* Taking a bigger struct instead of adding a TLV to list was a
1738 * mistake, but one which we're now stuck with, as some older
1739 * clients assume the size of the previous response.
1740 */
1741 if (!b_legacy)
1742 length = sizeof(*p_tlv);
1743 else
1744 length = sizeof(struct pfvf_def_resp_tlv);
1745
dacd88d6 1746 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
a044df83 1747 length);
dacd88d6
YM		 1748 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1749 sizeof(struct channel_list_end_tlv));
1750
1751 /* Update the TLV with the response */
a044df83 1752 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
dacd88d6 1753 req = &mbx->req_virt->start_rxq;
351a4ded
YM		 1754 p_tlv->offset = PXP_VF_BAR0_START_MSDM_ZONE_B +
1755 offsetof(struct mstorm_vf_zone,
1756 non_trigger.eth_rx_queue_producers) +
1757 sizeof(struct eth_rx_prod_data) * req->rx_qid;
dacd88d6
YM		 1758 }
1759
a044df83 1760 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
dacd88d6
YM		 1761}
1762
1763static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1764 struct qed_ptt *p_ptt,
1765 struct qed_vf_info *vf)
1766{
1767 struct qed_queue_start_common_params params;
1768 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 1769 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 1770 struct vfpf_start_rxq_tlv *req;
a044df83 1771 bool b_legacy_vf = false;
dacd88d6
YM		 1772 int rc;
1773
1774 memset(&params, 0, sizeof(params));
1775 req = &mbx->req_virt->start_rxq;
41086467
YM		 1776
1777 if (!qed_iov_validate_rxq(p_hwfn, vf, req->rx_qid) ||
1778 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1779 goto out;
1780
dacd88d6 1781 params.queue_id = vf->vf_queues[req->rx_qid].fw_rx_qid;
351a4ded 1782 params.vf_qid = req->rx_qid;
dacd88d6
YM		 1783 params.vport_id = vf->vport_id;
1784 params.sb = req->hw_sb;
1785 params.sb_idx = req->sb_index;
1786
a044df83
YM		 1787 /* Legacy VFs have their Producers in a different location, which they
1788 * calculate on their own and clean the producer prior to this.
1789 */
1790 if (vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1791 ETH_HSI_VER_NO_PKT_LEN_TUNN) {
1792 b_legacy_vf = true;
1793 } else {
1794 REG_WR(p_hwfn,
1795 GTT_BAR0_MAP_REG_MSDM_RAM +
1796 MSTORM_ETH_VF_PRODS_OFFSET(vf->abs_vf_id, req->rx_qid),
1797 0);
1798 }
1799
dacd88d6
YM		 1800 rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1801 vf->vf_queues[req->rx_qid].fw_cid,
1802 &params,
1803 vf->abs_vf_id + 0x10,
1804 req->bd_max_bytes,
1805 req->rxq_addr,
a044df83
YM		 1806 req->cqe_pbl_addr, req->cqe_pbl_size,
1807 b_legacy_vf);
dacd88d6
YM		 1808
1809 if (rc) {
1810 status = PFVF_STATUS_FAILURE;
1811 } else {
41086467 1812 status = PFVF_STATUS_SUCCESS;
dacd88d6
YM		 1813 vf->vf_queues[req->rx_qid].rxq_active = true;
1814 vf->num_active_rxqs++;
1815 }
1816
41086467 1817out:
a044df83 1818 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status, b_legacy_vf);
dacd88d6
YM		 1819}
1820
5040acf5
YM		 1821static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn *p_hwfn,
1822 struct qed_ptt *p_ptt,
1823 struct qed_vf_info *p_vf, u8 status)
1824{
1825 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
1826 struct pfvf_start_queue_resp_tlv *p_tlv;
a044df83
YM		 1827 bool b_legacy = false;
1828 u16 length;
5040acf5
YM		 1829
1830 mbx->offset = (u8 *)mbx->reply_virt;
1831
a044df83
YM		 1832 /* Taking a bigger struct instead of adding a TLV to list was a
1833 * mistake, but one which we're now stuck with, as some older
1834 * clients assume the size of the previous response.
1835 */
1836 if (p_vf->acquire.vfdev_info.eth_fp_hsi_minor ==
1837 ETH_HSI_VER_NO_PKT_LEN_TUNN)
1838 b_legacy = true;
1839
1840 if (!b_legacy)
1841 length = sizeof(*p_tlv);
1842 else
1843 length = sizeof(struct pfvf_def_resp_tlv);
1844
5040acf5 1845 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_TXQ,
a044df83 1846 length);
5040acf5
YM		 1847 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1848 sizeof(struct channel_list_end_tlv));
1849
1850 /* Update the TLV with the response */
a044df83 1851 if ((status == PFVF_STATUS_SUCCESS) && !b_legacy) {
5040acf5
YM		 1852 u16 qid = mbx->req_virt->start_txq.tx_qid;
1853
1854 p_tlv->offset = qed_db_addr(p_vf->vf_queues[qid].fw_cid,
1855 DQ_DEMS_LEGACY);
1856 }
1857
a044df83 1858 qed_iov_send_response(p_hwfn, p_ptt, p_vf, length, status);
5040acf5
YM		 1859}
1860
dacd88d6
YM		 1861static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1862 struct qed_ptt *p_ptt,
1863 struct qed_vf_info *vf)
1864{
dacd88d6
YM		 1865 struct qed_queue_start_common_params params;
1866 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
41086467 1867 u8 status = PFVF_STATUS_NO_RESOURCE;
dacd88d6 1868 union qed_qm_pq_params pq_params;
dacd88d6
YM		 1869 struct vfpf_start_txq_tlv *req;
1870 int rc;
1871
1872 /* Prepare the parameters which would choose the right PQ */
1873 memset(&pq_params, 0, sizeof(pq_params));
1874 pq_params.eth.is_vf = 1;
1875 pq_params.eth.vf_id = vf->relative_vf_id;
1876
1877 memset(&params, 0, sizeof(params));
1878 req = &mbx->req_virt->start_txq;
41086467
YM		 1879
1880 if (!qed_iov_validate_txq(p_hwfn, vf, req->tx_qid) ||
1881 !qed_iov_validate_sb(p_hwfn, vf, req->hw_sb))
1882 goto out;
1883
dacd88d6
YM		 1884 params.queue_id = vf->vf_queues[req->tx_qid].fw_tx_qid;
1885 params.vport_id = vf->vport_id;
1886 params.sb = req->hw_sb;
1887 params.sb_idx = req->sb_index;
1888
1889 rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1890 vf->opaque_fid,
1891 vf->vf_queues[req->tx_qid].fw_cid,
1892 &params,
1893 vf->abs_vf_id + 0x10,
1894 req->pbl_addr,
1895 req->pbl_size, &pq_params);
1896
41086467 1897 if (rc) {
dacd88d6 1898 status = PFVF_STATUS_FAILURE;
41086467
YM		 1899 } else {
1900 status = PFVF_STATUS_SUCCESS;
dacd88d6 1901 vf->vf_queues[req->tx_qid].txq_active = true;
41086467 1902 }
dacd88d6 1903
41086467 1904out:
5040acf5 1905 qed_iov_vf_mbx_start_txq_resp(p_hwfn, p_ptt, vf, status);
dacd88d6
YM		 1906}
1907
1908static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1909 struct qed_vf_info *vf,
1910 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1911{
1912 int rc = 0;
1913 int qid;
1914
1915 if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1916 return -EINVAL;
1917
1918 for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1919 if (vf->vf_queues[qid].rxq_active) {
1920 rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1921 vf->vf_queues[qid].
1922 fw_rx_qid, false,
1923 cqe_completion);
1924
1925 if (rc)
1926 return rc;
1927 }
1928 vf->vf_queues[qid].rxq_active = false;
1929 vf->num_active_rxqs--;
1930 }
1931
1932 return rc;
1933}
1934
1935static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1936 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1937{
1938 int rc = 0;
1939 int qid;
1940
1941 if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1942 return -EINVAL;
1943
1944 for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1945 if (vf->vf_queues[qid].txq_active) {
1946 rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1947 vf->vf_queues[qid].
1948 fw_tx_qid);
1949
1950 if (rc)
1951 return rc;
1952 }
1953 vf->vf_queues[qid].txq_active = false;
1954 }
1955 return rc;
1956}
1957
1958static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1959 struct qed_ptt *p_ptt,
1960 struct qed_vf_info *vf)
1961{
1962 u16 length = sizeof(struct pfvf_def_resp_tlv);
1963 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1964 u8 status = PFVF_STATUS_SUCCESS;
1965 struct vfpf_stop_rxqs_tlv *req;
1966 int rc;
1967
1968 /* We give the option of starting from qid != 0, in this case we
1969 * need to make sure that qid + num_qs doesn't exceed the actual
1970 * amount of queues that exist.
1971 */
1972 req = &mbx->req_virt->stop_rxqs;
1973 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1974 req->num_rxqs, req->cqe_completion);
1975 if (rc)
1976 status = PFVF_STATUS_FAILURE;
1977
1978 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1979 length, status);
1980}
1981
1982static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1983 struct qed_ptt *p_ptt,
1984 struct qed_vf_info *vf)
1985{
1986 u16 length = sizeof(struct pfvf_def_resp_tlv);
1987 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1988 u8 status = PFVF_STATUS_SUCCESS;
1989 struct vfpf_stop_txqs_tlv *req;
1990 int rc;
1991
1992 /* We give the option of starting from qid != 0, in this case we
1993 * need to make sure that qid + num_qs doesn't exceed the actual
1994 * amount of queues that exist.
1995 */
1996 req = &mbx->req_virt->stop_txqs;
1997 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1998 if (rc)
1999 status = PFVF_STATUS_FAILURE;
2000
2001 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
2002 length, status);
2003}
2004
17b235c1
YM		 2005static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
2006 struct qed_ptt *p_ptt,
2007 struct qed_vf_info *vf)
2008{
2009 u16 length = sizeof(struct pfvf_def_resp_tlv);
2010 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2011 struct vfpf_update_rxq_tlv *req;
2012 u8 status = PFVF_STATUS_SUCCESS;
2013 u8 complete_event_flg;
2014 u8 complete_cqe_flg;
2015 u16 qid;
2016 int rc;
2017 u8 i;
2018
2019 req = &mbx->req_virt->update_rxq;
2020 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
2021 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
2022
2023 for (i = 0; i < req->num_rxqs; i++) {
2024 qid = req->rx_qid + i;
2025
2026 if (!vf->vf_queues[qid].rxq_active) {
2027 DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
2028 qid);
2029 status = PFVF_STATUS_FAILURE;
2030 break;
2031 }
2032
2033 rc = qed_sp_eth_rx_queues_update(p_hwfn,
2034 vf->vf_queues[qid].fw_rx_qid,
2035 1,
2036 complete_cqe_flg,
2037 complete_event_flg,
2038 QED_SPQ_MODE_EBLOCK, NULL);
2039
2040 if (rc) {
2041 status = PFVF_STATUS_FAILURE;
2042 break;
2043 }
2044 }
2045
2046 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
2047 length, status);
2048}
2049
dacd88d6
YM		 2050void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
2051 void *p_tlvs_list, u16 req_type)
2052{
2053 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
2054 int len = 0;
2055
2056 do {
2057 if (!p_tlv->length) {
2058 DP_NOTICE(p_hwfn, "Zero length TLV found\n");
2059 return NULL;
2060 }
2061
2062 if (p_tlv->type == req_type) {
2063 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2064 "Extended tlv type %d, length %d found\n",
2065 p_tlv->type, p_tlv->length);
2066 return p_tlv;
2067 }
2068
2069 len += p_tlv->length;
2070 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
2071
2072 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
2073 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
2074 return NULL;
2075 }
2076 } while (p_tlv->type != CHANNEL_TLV_LIST_END);
2077
2078 return NULL;
2079}
2080
2081static void
2082qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
2083 struct qed_sp_vport_update_params *p_data,
2084 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2085{
2086 struct vfpf_vport_update_activate_tlv *p_act_tlv;
2087 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
2088
2089 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
2090 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2091 if (!p_act_tlv)
2092 return;
2093
2094 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
2095 p_data->vport_active_rx_flg = p_act_tlv->active_rx;
2096 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
2097 p_data->vport_active_tx_flg = p_act_tlv->active_tx;
2098 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
2099}
2100
17b235c1
YM		 2101static void
2102qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
2103 struct qed_sp_vport_update_params *p_data,
2104 struct qed_vf_info *p_vf,
2105 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2106{
2107 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
2108 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
2109
2110 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
2111 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2112 if (!p_vlan_tlv)
2113 return;
2114
08feecd7
YM		 2115 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
2116
2117 /* Ignore the VF request if we're forcing a vlan */
1a635e48 2118 if (!(p_vf->configured_features & BIT(VLAN_ADDR_FORCED))) {
08feecd7
YM		 2119 p_data->update_inner_vlan_removal_flg = 1;
2120 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
2121 }
17b235c1
YM		 2122
2123 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
2124}
2125
2126static void
2127qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
2128 struct qed_sp_vport_update_params *p_data,
2129 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2130{
2131 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
2132 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
2133
2134 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
2135 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2136 tlv);
2137 if (!p_tx_switch_tlv)
2138 return;
2139
2140 p_data->update_tx_switching_flg = 1;
2141 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
2142 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
2143}
2144
dacd88d6
YM		 2145static void
2146qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
2147 struct qed_sp_vport_update_params *p_data,
2148 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2149{
2150 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
2151 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
2152
2153 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
2154 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2155 if (!p_mcast_tlv)
2156 return;
2157
2158 p_data->update_approx_mcast_flg = 1;
2159 memcpy(p_data->bins, p_mcast_tlv->bins,
2160 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
2161 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
2162}
2163
2164static void
2165qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
2166 struct qed_sp_vport_update_params *p_data,
2167 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2168{
2169 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
2170 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
2171 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
2172
2173 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
2174 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2175 if (!p_accept_tlv)
2176 return;
2177
2178 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
2179 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
2180 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
2181 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
2182 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
2183}
2184
17b235c1
YM		 2185static void
2186qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
2187 struct qed_sp_vport_update_params *p_data,
2188 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2189{
2190 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
2191 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
2192
2193 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
2194 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
2195 tlv);
2196 if (!p_accept_any_vlan)
2197 return;
2198
2199 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
2200 p_data->update_accept_any_vlan_flg =
2201 p_accept_any_vlan->update_accept_any_vlan_flg;
2202 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
2203}
2204
dacd88d6
YM		 2205static void
2206qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
2207 struct qed_vf_info *vf,
2208 struct qed_sp_vport_update_params *p_data,
2209 struct qed_rss_params *p_rss,
2210 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2211{
2212 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2213 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2214 u16 i, q_idx, max_q_idx;
2215 u16 table_size;
2216
2217 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2218 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2219 if (!p_rss_tlv) {
2220 p_data->rss_params = NULL;
2221 return;
2222 }
2223
2224 memset(p_rss, 0, sizeof(struct qed_rss_params));
2225
2226 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2227 VFPF_UPDATE_RSS_CONFIG_FLAG);
2228 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2229 VFPF_UPDATE_RSS_CAPS_FLAG);
2230 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2231 VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2232 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2233 VFPF_UPDATE_RSS_KEY_FLAG);
2234
2235 p_rss->rss_enable = p_rss_tlv->rss_enable;
2236 p_rss->rss_eng_id = vf->relative_vf_id + 1;
2237 p_rss->rss_caps = p_rss_tlv->rss_caps;
2238 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2239 memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2240 sizeof(p_rss->rss_ind_table));
2241 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2242
2243 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2244 (1 << p_rss_tlv->rss_table_size_log));
2245
2246 max_q_idx = ARRAY_SIZE(vf->vf_queues);
2247
2248 for (i = 0; i < table_size; i++) {
2249 u16 index = vf->vf_queues[0].fw_rx_qid;
2250
2251 q_idx = p_rss->rss_ind_table[i];
2252 if (q_idx >= max_q_idx)
2253 DP_NOTICE(p_hwfn,
2254 "rss_ind_table[%d] = %d, rxq is out of range\n",
2255 i, q_idx);
2256 else if (!vf->vf_queues[q_idx].rxq_active)
2257 DP_NOTICE(p_hwfn,
2258 "rss_ind_table[%d] = %d, rxq is not active\n",
2259 i, q_idx);
2260 else
2261 index = vf->vf_queues[q_idx].fw_rx_qid;
2262 p_rss->rss_ind_table[i] = index;
2263 }
2264
2265 p_data->rss_params = p_rss;
2266 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2267}
2268
17b235c1
YM		 2269static void
2270qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2271 struct qed_vf_info *vf,
2272 struct qed_sp_vport_update_params *p_data,
2273 struct qed_sge_tpa_params *p_sge_tpa,
2274 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2275{
2276 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2277 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2278
2279 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2280 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2281
2282 if (!p_sge_tpa_tlv) {
2283 p_data->sge_tpa_params = NULL;
2284 return;
2285 }
2286
2287 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2288
2289 p_sge_tpa->update_tpa_en_flg =
2290 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2291 p_sge_tpa->update_tpa_param_flg =
2292 !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2293 VFPF_UPDATE_TPA_PARAM_FLAG);
2294
2295 p_sge_tpa->tpa_ipv4_en_flg =
2296 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2297 p_sge_tpa->tpa_ipv6_en_flg =
2298 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2299 p_sge_tpa->tpa_pkt_split_flg =
2300 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2301 p_sge_tpa->tpa_hdr_data_split_flg =
2302 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2303 p_sge_tpa->tpa_gro_consistent_flg =
2304 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2305
2306 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2307 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2308 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2309 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2310 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2311
2312 p_data->sge_tpa_params = p_sge_tpa;
2313
2314 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2315}
2316
dacd88d6
YM		 2317static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2318 struct qed_ptt *p_ptt,
2319 struct qed_vf_info *vf)
2320{
2321 struct qed_sp_vport_update_params params;
2322 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
17b235c1 2323 struct qed_sge_tpa_params sge_tpa_params;
dacd88d6
YM		 2324 struct qed_rss_params rss_params;
2325 u8 status = PFVF_STATUS_SUCCESS;
2326 u16 tlvs_mask = 0;
2327 u16 length;
2328 int rc;
2329
41086467
YM		 2330 /* Valiate PF can send such a request */
2331 if (!vf->vport_instance) {
2332 DP_VERBOSE(p_hwfn,
2333 QED_MSG_IOV,
2334 "No VPORT instance available for VF[%d], failing vport update\n",
2335 vf->abs_vf_id);
2336 status = PFVF_STATUS_FAILURE;
2337 goto out;
2338 }
2339
dacd88d6
YM		 2340 memset(&params, 0, sizeof(params));
2341 params.opaque_fid = vf->opaque_fid;
2342 params.vport_id = vf->vport_id;
2343 params.rss_params = NULL;
2344
2345 /* Search for extended tlvs list and update values
2346 * from VF in struct qed_sp_vport_update_params.
2347 */
2348 qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 2349 qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2350 qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
dacd88d6
YM		 2351 qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2352 qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2353 qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2354 mbx, &tlvs_mask);
17b235c1
YM		 2355 qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2356 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2357 &sge_tpa_params, mbx, &tlvs_mask);
dacd88d6
YM		 2358
2359 /* Just log a message if there is no single extended tlv in buffer.
2360 * When all features of vport update ramrod would be requested by VF
2361 * as extended TLVs in buffer then an error can be returned in response
2362 * if there is no extended TLV present in buffer.
2363 */
2364 if (!tlvs_mask) {
2365 DP_NOTICE(p_hwfn,
2366 "No feature tlvs found for vport update\n");
2367 status = PFVF_STATUS_NOT_SUPPORTED;
2368 goto out;
2369 }
2370
2371 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2372
2373 if (rc)
2374 status = PFVF_STATUS_FAILURE;
2375
2376out:
2377 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2378 tlvs_mask, tlvs_mask);
2379 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2380}
2381
8246d0b4
YM		 2382static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn *p_hwfn,
2383 struct qed_vf_info *p_vf,
2384 struct qed_filter_ucast *p_params)
08feecd7
YM		 2385{
2386 int i;
2387
08feecd7
YM		 2388 /* First remove entries and then add new ones */
2389 if (p_params->opcode == QED_FILTER_REMOVE) {
2390 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2391 if (p_vf->shadow_config.vlans[i].used &&
2392 p_vf->shadow_config.vlans[i].vid ==
2393 p_params->vlan) {
2394 p_vf->shadow_config.vlans[i].used = false;
2395 break;
2396 }
2397 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2398 DP_VERBOSE(p_hwfn,
2399 QED_MSG_IOV,
2400 "VF [%d] - Tries to remove a non-existing vlan\n",
2401 p_vf->relative_vf_id);
2402 return -EINVAL;
2403 }
2404 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2405 p_params->opcode == QED_FILTER_FLUSH) {
2406 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2407 p_vf->shadow_config.vlans[i].used = false;
2408 }
2409
2410 /* In forced mode, we're willing to remove entries - but we don't add
2411 * new ones.
2412 */
1a635e48 2413 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED))
08feecd7
YM		 2414 return 0;
2415
2416 if (p_params->opcode == QED_FILTER_ADD ||
2417 p_params->opcode == QED_FILTER_REPLACE) {
2418 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2419 if (p_vf->shadow_config.vlans[i].used)
2420 continue;
2421
2422 p_vf->shadow_config.vlans[i].used = true;
2423 p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2424 break;
2425 }
2426
2427 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2428 DP_VERBOSE(p_hwfn,
2429 QED_MSG_IOV,
2430 "VF [%d] - Tries to configure more than %d vlan filters\n",
2431 p_vf->relative_vf_id,
2432 QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2433 return -EINVAL;
2434 }
2435 }
2436
2437 return 0;
2438}
2439
8246d0b4
YM		 2440static int qed_iov_vf_update_mac_shadow(struct qed_hwfn *p_hwfn,
2441 struct qed_vf_info *p_vf,
2442 struct qed_filter_ucast *p_params)
2443{
2444 int i;
2445
2446 /* If we're in forced-mode, we don't allow any change */
1a635e48 2447 if (p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED))
8246d0b4
YM		 2448 return 0;
2449
2450 /* First remove entries and then add new ones */
2451 if (p_params->opcode == QED_FILTER_REMOVE) {
2452 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2453 if (ether_addr_equal(p_vf->shadow_config.macs[i],
2454 p_params->mac)) {
2455 memset(p_vf->shadow_config.macs[i], 0,
2456 ETH_ALEN);
2457 break;
2458 }
2459 }
2460
2461 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2462 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2463 "MAC isn't configured\n");
2464 return -EINVAL;
2465 }
2466 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2467 p_params->opcode == QED_FILTER_FLUSH) {
2468 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++)
2469 memset(p_vf->shadow_config.macs[i], 0, ETH_ALEN);
2470 }
2471
2472 /* List the new MAC address */
2473 if (p_params->opcode != QED_FILTER_ADD &&
2474 p_params->opcode != QED_FILTER_REPLACE)
2475 return 0;
2476
2477 for (i = 0; i < QED_ETH_VF_NUM_MAC_FILTERS; i++) {
2478 if (is_zero_ether_addr(p_vf->shadow_config.macs[i])) {
2479 ether_addr_copy(p_vf->shadow_config.macs[i],
2480 p_params->mac);
2481 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2482 "Added MAC at %d entry in shadow\n", i);
2483 break;
2484 }
2485 }
2486
2487 if (i == QED_ETH_VF_NUM_MAC_FILTERS) {
2488 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No available place for MAC\n");
2489 return -EINVAL;
2490 }
2491
2492 return 0;
2493}
2494
2495static int
2496qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2497 struct qed_vf_info *p_vf,
2498 struct qed_filter_ucast *p_params)
2499{
2500 int rc = 0;
2501
2502 if (p_params->type == QED_FILTER_MAC) {
2503 rc = qed_iov_vf_update_mac_shadow(p_hwfn, p_vf, p_params);
2504 if (rc)
2505 return rc;
2506 }
2507
2508 if (p_params->type == QED_FILTER_VLAN)
2509 rc = qed_iov_vf_update_vlan_shadow(p_hwfn, p_vf, p_params);
2510
2511 return rc;
2512}
2513
ba56947a
BX		 2514static int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2515 int vfid, struct qed_filter_ucast *params)
dacd88d6
YM		 2516{
2517 struct qed_public_vf_info *vf;
2518
2519 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2520 if (!vf)
2521 return -EINVAL;
2522
2523 /* No real decision to make; Store the configured MAC */
2524 if (params->type == QED_FILTER_MAC ||
2525 params->type == QED_FILTER_MAC_VLAN)
2526 ether_addr_copy(vf->mac, params->mac);
2527
2528 return 0;
2529}
2530
2531static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2532 struct qed_ptt *p_ptt,
2533 struct qed_vf_info *vf)
2534{
08feecd7 2535 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
dacd88d6
YM		 2536 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2537 struct vfpf_ucast_filter_tlv *req;
2538 u8 status = PFVF_STATUS_SUCCESS;
2539 struct qed_filter_ucast params;
2540 int rc;
2541
2542 /* Prepare the unicast filter params */
2543 memset(&params, 0, sizeof(struct qed_filter_ucast));
2544 req = &mbx->req_virt->ucast_filter;
2545 params.opcode = (enum qed_filter_opcode)req->opcode;
2546 params.type = (enum qed_filter_ucast_type)req->type;
2547
2548 params.is_rx_filter = 1;
2549 params.is_tx_filter = 1;
2550 params.vport_to_remove_from = vf->vport_id;
2551 params.vport_to_add_to = vf->vport_id;
2552 memcpy(params.mac, req->mac, ETH_ALEN);
2553 params.vlan = req->vlan;
2554
2555 DP_VERBOSE(p_hwfn,
2556 QED_MSG_IOV,
2557 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2558 vf->abs_vf_id, params.opcode, params.type,
2559 params.is_rx_filter ? "RX" : "",
2560 params.is_tx_filter ? "TX" : "",
2561 params.vport_to_add_to,
2562 params.mac[0], params.mac[1],
2563 params.mac[2], params.mac[3],
2564 params.mac[4], params.mac[5], params.vlan);
2565
2566 if (!vf->vport_instance) {
2567 DP_VERBOSE(p_hwfn,
2568 QED_MSG_IOV,
2569 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2570 vf->abs_vf_id);
2571 status = PFVF_STATUS_FAILURE;
2572 goto out;
2573 }
2574
08feecd7
YM		 2575 /* Update shadow copy of the VF configuration */
2576 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2577 status = PFVF_STATUS_FAILURE;
2578 goto out;
2579 }
2580
2581 /* Determine if the unicast filtering is acceptible by PF */
1a635e48 2582 if ((p_bulletin->valid_bitmap & BIT(VLAN_ADDR_FORCED)) &&
08feecd7
YM		 2583 (params.type == QED_FILTER_VLAN ||
2584 params.type == QED_FILTER_MAC_VLAN)) {
2585 /* Once VLAN is forced or PVID is set, do not allow
2586 * to add/replace any further VLANs.
2587 */
2588 if (params.opcode == QED_FILTER_ADD ||
2589 params.opcode == QED_FILTER_REPLACE)
2590 status = PFVF_STATUS_FORCED;
2591 goto out;
2592 }
2593
1a635e48 2594 if ((p_bulletin->valid_bitmap & BIT(MAC_ADDR_FORCED)) &&
eff16960
YM		 2595 (params.type == QED_FILTER_MAC ||
2596 params.type == QED_FILTER_MAC_VLAN)) {
2597 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2598 (params.opcode != QED_FILTER_ADD &&
2599 params.opcode != QED_FILTER_REPLACE))
2600 status = PFVF_STATUS_FORCED;
2601 goto out;
2602 }
2603
dacd88d6
YM		 2604 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2605 if (rc) {
2606 status = PFVF_STATUS_FAILURE;
2607 goto out;
2608 }
2609
2610 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2611 QED_SPQ_MODE_CB, NULL);
2612 if (rc)
2613 status = PFVF_STATUS_FAILURE;
2614
2615out:
2616 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2617 sizeof(struct pfvf_def_resp_tlv), status);
2618}
2619
0b55e27d
YM		 2620static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2621 struct qed_ptt *p_ptt,
2622 struct qed_vf_info *vf)
2623{
2624 int i;
2625
2626 /* Reset the SBs */
2627 for (i = 0; i < vf->num_sbs; i++)
2628 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2629 vf->igu_sbs[i],
2630 vf->opaque_fid, false);
2631
2632 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2633 sizeof(struct pfvf_def_resp_tlv),
2634 PFVF_STATUS_SUCCESS);
2635}
2636
2637static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2638 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2639{
2640 u16 length = sizeof(struct pfvf_def_resp_tlv);
2641 u8 status = PFVF_STATUS_SUCCESS;
2642
2643 /* Disable Interrupts for VF */
2644 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2645
2646 /* Reset Permission table */
2647 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2648
2649 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2650 length, status);
2651}
2652
2653static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2654 struct qed_ptt *p_ptt,
2655 struct qed_vf_info *p_vf)
2656{
2657 u16 length = sizeof(struct pfvf_def_resp_tlv);
1fe614d1
YM		 2658 u8 status = PFVF_STATUS_SUCCESS;
2659 int rc = 0;
0b55e27d
YM		 2660
2661 qed_iov_vf_cleanup(p_hwfn, p_vf);
2662
1fe614d1
YM		 2663 if (p_vf->state != VF_STOPPED && p_vf->state != VF_FREE) {
2664 /* Stopping the VF */
2665 rc = qed_sp_vf_stop(p_hwfn, p_vf->concrete_fid,
2666 p_vf->opaque_fid);
2667
2668 if (rc) {
2669 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
2670 rc);
2671 status = PFVF_STATUS_FAILURE;
2672 }
2673
2674 p_vf->state = VF_STOPPED;
2675 }
2676
0b55e27d 2677 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
1fe614d1 2678 length, status);
0b55e27d
YM		 2679}
2680
2681static int
2682qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2683 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2684{
2685 int cnt;
2686 u32 val;
2687
2688 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2689
2690 for (cnt = 0; cnt < 50; cnt++) {
2691 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2692 if (!val)
2693 break;
2694 msleep(20);
2695 }
2696 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2697
2698 if (cnt == 50) {
2699 DP_ERR(p_hwfn,
2700 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2701 p_vf->abs_vf_id, val);
2702 return -EBUSY;
2703 }
2704
2705 return 0;
2706}
2707
2708static int
2709qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2710 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2711{
2712 u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2713 int i, cnt;
2714
2715 /* Read initial consumers & producers */
2716 for (i = 0; i < MAX_NUM_VOQS; i++) {
2717 u32 prod;
2718
2719 cons[i] = qed_rd(p_hwfn, p_ptt,
2720 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2721 i * 0x40);
2722 prod = qed_rd(p_hwfn, p_ptt,
2723 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2724 i * 0x40);
2725 distance[i] = prod - cons[i];
2726 }
2727
2728 /* Wait for consumers to pass the producers */
2729 i = 0;
2730 for (cnt = 0; cnt < 50; cnt++) {
2731 for (; i < MAX_NUM_VOQS; i++) {
2732 u32 tmp;
2733
2734 tmp = qed_rd(p_hwfn, p_ptt,
2735 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2736 i * 0x40);
2737 if (distance[i] > tmp - cons[i])
2738 break;
2739 }
2740
2741 if (i == MAX_NUM_VOQS)
2742 break;
2743
2744 msleep(20);
2745 }
2746
2747 if (cnt == 50) {
2748 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2749 p_vf->abs_vf_id, i);
2750 return -EBUSY;
2751 }
2752
2753 return 0;
2754}
2755
2756static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2757 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2758{
2759 int rc;
2760
2761 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2762 if (rc)
2763 return rc;
2764
2765 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2766 if (rc)
2767 return rc;
2768
2769 return 0;
2770}
2771
2772static int
2773qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2774 struct qed_ptt *p_ptt,
2775 u16 rel_vf_id, u32 *ack_vfs)
2776{
2777 struct qed_vf_info *p_vf;
2778 int rc = 0;
2779
2780 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2781 if (!p_vf)
2782 return 0;
2783
2784 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2785 (1ULL << (rel_vf_id % 64))) {
2786 u16 vfid = p_vf->abs_vf_id;
2787
2788 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2789 "VF[%d] - Handling FLR\n", vfid);
2790
2791 qed_iov_vf_cleanup(p_hwfn, p_vf);
2792
2793 /* If VF isn't active, no need for anything but SW */
2794 if (!p_vf->b_init)
2795 goto cleanup;
2796
2797 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2798 if (rc)
2799 goto cleanup;
2800
2801 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2802 if (rc) {
2803 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2804 return rc;
2805 }
2806
2807 /* VF_STOPPED has to be set only after final cleanup
2808 * but prior to re-enabling the VF.
2809 */
2810 p_vf->state = VF_STOPPED;
2811
2812 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2813 if (rc) {
2814 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2815 vfid);
2816 return rc;
2817 }
2818cleanup:
2819 /* Mark VF for ack and clean pending state */
2820 if (p_vf->state == VF_RESET)
2821 p_vf->state = VF_STOPPED;
1a635e48 2822 ack_vfs[vfid / 32] |= BIT((vfid % 32));
0b55e27d
YM		 2823 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2824 ~(1ULL << (rel_vf_id % 64));
2825 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2826 ~(1ULL << (rel_vf_id % 64));
2827 }
2828
2829 return rc;
2830}
2831
ba56947a
BX		 2832static int
2833qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
0b55e27d
YM		 2834{
2835 u32 ack_vfs[VF_MAX_STATIC / 32];
2836 int rc = 0;
2837 u16 i;
2838
2839 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2840
2841 /* Since BRB <-> PRS interface can't be tested as part of the flr
2842 * polling due to HW limitations, simply sleep a bit. And since
2843 * there's no need to wait per-vf, do it before looping.
2844 */
2845 msleep(100);
2846
2847 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2848 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2849
2850 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2851 return rc;
2852}
2853
2854int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2855{
2856 u16 i, found = 0;
2857
2858 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2859 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2860 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2861 "[%08x,...,%08x]: %08x\n",
2862 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2863
2864 if (!p_hwfn->cdev->p_iov_info) {
2865 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2866 return 0;
2867 }
2868
2869 /* Mark VFs */
2870 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2871 struct qed_vf_info *p_vf;
2872 u8 vfid;
2873
2874 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2875 if (!p_vf)
2876 continue;
2877
2878 vfid = p_vf->abs_vf_id;
1a635e48 2879 if (BIT((vfid % 32)) & p_disabled_vfs[vfid / 32]) {
0b55e27d
YM		 2880 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2881 u16 rel_vf_id = p_vf->relative_vf_id;
2882
2883 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2884 "VF[%d] [rel %d] got FLR-ed\n",
2885 vfid, rel_vf_id);
2886
2887 p_vf->state = VF_RESET;
2888
2889 /* No need to lock here, since pending_flr should
2890 * only change here and before ACKing MFw. Since
2891 * MFW will not trigger an additional attention for
2892 * VF flr until ACKs, we're safe.
2893 */
2894 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2895 found = 1;
2896 }
2897 }
2898
2899 return found;
2900}
2901
73390ac9
YM		 2902static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2903 u16 vfid,
2904 struct qed_mcp_link_params *p_params,
2905 struct qed_mcp_link_state *p_link,
2906 struct qed_mcp_link_capabilities *p_caps)
2907{
2908 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2909 vfid,
2910 false);
2911 struct qed_bulletin_content *p_bulletin;
2912
2913 if (!p_vf)
2914 return;
2915
2916 p_bulletin = p_vf->bulletin.p_virt;
2917
2918 if (p_params)
2919 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2920 if (p_link)
2921 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2922 if (p_caps)
2923 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2924}
2925
37bff2b9
YM		 2926static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2927 struct qed_ptt *p_ptt, int vfid)
2928{
2929 struct qed_iov_vf_mbx *mbx;
2930 struct qed_vf_info *p_vf;
37bff2b9
YM		 2931
2932 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2933 if (!p_vf)
2934 return;
2935
2936 mbx = &p_vf->vf_mbx;
2937
2938 /* qed_iov_process_mbx_request */
54fdd80f
YM		 2939 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2940 "VF[%02x]: Processing mailbox message\n", p_vf->abs_vf_id);
37bff2b9
YM		 2941
2942 mbx->first_tlv = mbx->req_virt->first_tlv;
2943
2944 /* check if tlv type is known */
2945 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
1408cc1f
YM		 2946 switch (mbx->first_tlv.tl.type) {
2947 case CHANNEL_TLV_ACQUIRE:
2948 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2949 break;
dacd88d6
YM		 2950 case CHANNEL_TLV_VPORT_START:
2951 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2952 break;
2953 case CHANNEL_TLV_VPORT_TEARDOWN:
2954 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2955 break;
2956 case CHANNEL_TLV_START_RXQ:
2957 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2958 break;
2959 case CHANNEL_TLV_START_TXQ:
2960 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2961 break;
2962 case CHANNEL_TLV_STOP_RXQS:
2963 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2964 break;
2965 case CHANNEL_TLV_STOP_TXQS:
2966 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2967 break;
17b235c1
YM		 2968 case CHANNEL_TLV_UPDATE_RXQ:
2969 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2970 break;
dacd88d6
YM		 2971 case CHANNEL_TLV_VPORT_UPDATE:
2972 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2973 break;
2974 case CHANNEL_TLV_UCAST_FILTER:
2975 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2976 break;
0b55e27d
YM		 2977 case CHANNEL_TLV_CLOSE:
2978 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2979 break;
2980 case CHANNEL_TLV_INT_CLEANUP:
2981 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2982 break;
2983 case CHANNEL_TLV_RELEASE:
2984 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2985 break;
1408cc1f 2986 }
37bff2b9
YM		 2987 } else {
2988 /* unknown TLV - this may belong to a VF driver from the future
2989 * - a version written after this PF driver was written, which
2990 * supports features unknown as of yet. Too bad since we don't
2991 * support them. Or this may be because someone wrote a crappy
2992 * VF driver and is sending garbage over the channel.
2993 */
54fdd80f
YM		 2994 DP_NOTICE(p_hwfn,
2995 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
2996 p_vf->abs_vf_id,
2997 mbx->first_tlv.tl.type,
2998 mbx->first_tlv.tl.length,
2999 mbx->first_tlv.padding, mbx->first_tlv.reply_address);
3000
3001 /* Try replying in case reply address matches the acquisition's
3002 * posted address.
3003 */
3004 if (p_vf->acquire.first_tlv.reply_address &&
3005 (mbx->first_tlv.reply_address ==
3006 p_vf->acquire.first_tlv.reply_address)) {
3007 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf,
3008 mbx->first_tlv.tl.type,
3009 sizeof(struct pfvf_def_resp_tlv),
3010 PFVF_STATUS_NOT_SUPPORTED);
3011 } else {
37bff2b9
YM		 3012 DP_VERBOSE(p_hwfn,
3013 QED_MSG_IOV,
54fdd80f
YM		 3014 "VF[%02x]: Can't respond to TLV - no valid reply address\n",
3015 p_vf->abs_vf_id);
37bff2b9
YM		 3016 }
3017 }
3018}
3019
ba56947a 3020static void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
37bff2b9
YM		 3021{
3022 u64 add_bit = 1ULL << (vfid % 64);
3023
3024 p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
3025}
3026
3027static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
3028 u64 *events)
3029{
3030 u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
3031
3032 memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3033 memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
3034}
3035
3036static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
3037 u16 abs_vfid, struct regpair *vf_msg)
3038{
3039 u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
3040 struct qed_vf_info *p_vf;
3041
3042 if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
3043 DP_VERBOSE(p_hwfn,
3044 QED_MSG_IOV,
3045 "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
3046 abs_vfid);
3047 return 0;
3048 }
3049 p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
3050
3051 /* List the physical address of the request so that handler
3052 * could later on copy the message from it.
3053 */
3054 p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
3055
3056 /* Mark the event and schedule the workqueue */
3057 qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
3058 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
3059
3060 return 0;
3061}
3062
3063int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
3064 u8 opcode, __le16 echo, union event_ring_data *data)
3065{
3066 switch (opcode) {
3067 case COMMON_EVENT_VF_PF_CHANNEL:
3068 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
3069 &data->vf_pf_channel.msg_addr);
3070 default:
3071 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
3072 opcode);
3073 return -EINVAL;
3074 }
3075}
3076
32a47e72
YM		 3077u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
3078{
3079 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
3080 u16 i;
3081
3082 if (!p_iov)
3083 goto out;
3084
3085 for (i = rel_vf_id; i < p_iov->total_vfs; i++)
3086 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
3087 return i;
3088
3089out:
3090 return MAX_NUM_VFS;
3091}
37bff2b9
YM		 3092
3093static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
3094 int vfid)
3095{
3096 struct qed_dmae_params params;
3097 struct qed_vf_info *vf_info;
3098
3099 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3100 if (!vf_info)
3101 return -EINVAL;
3102
3103 memset(&params, 0, sizeof(struct qed_dmae_params));
3104 params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
3105 params.src_vfid = vf_info->abs_vf_id;
3106
3107 if (qed_dmae_host2host(p_hwfn, ptt,
3108 vf_info->vf_mbx.pending_req,
3109 vf_info->vf_mbx.req_phys,
3110 sizeof(union vfpf_tlvs) / 4, &params)) {
3111 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
3112 "Failed to copy message from VF 0x%02x\n", vfid);
3113
3114 return -EIO;
3115 }
3116
3117 return 0;
3118}
3119
eff16960
YM		 3120static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
3121 u8 *mac, int vfid)
3122{
3123 struct qed_vf_info *vf_info;
3124 u64 feature;
3125
3126 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3127 if (!vf_info) {
3128 DP_NOTICE(p_hwfn->cdev,
3129 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3130 return;
3131 }
3132
3133 feature = 1 << MAC_ADDR_FORCED;
3134 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
3135
3136 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3137 /* Forced MAC will disable MAC_ADDR */
1a635e48 3138 vf_info->bulletin.p_virt->valid_bitmap &= ~BIT(VFPF_BULLETIN_MAC_ADDR);
eff16960
YM		 3139
3140 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3141}
3142
ba56947a
BX		 3143static void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
3144 u16 pvid, int vfid)
08feecd7
YM		 3145{
3146 struct qed_vf_info *vf_info;
3147 u64 feature;
3148
3149 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3150 if (!vf_info) {
3151 DP_NOTICE(p_hwfn->cdev,
3152 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
3153 return;
3154 }
3155
3156 feature = 1 << VLAN_ADDR_FORCED;
3157 vf_info->bulletin.p_virt->pvid = pvid;
3158 if (pvid)
3159 vf_info->bulletin.p_virt->valid_bitmap |= feature;
3160 else
3161 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
3162
3163 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
3164}
3165
6ddc7608
YM		 3166static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
3167{
3168 struct qed_vf_info *p_vf_info;
3169
3170 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3171 if (!p_vf_info)
3172 return false;
3173
3174 return !!p_vf_info->vport_instance;
3175}
3176
ba56947a 3177static bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
0b55e27d
YM		 3178{
3179 struct qed_vf_info *p_vf_info;
3180
3181 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3182 if (!p_vf_info)
3183 return true;
3184
3185 return p_vf_info->state == VF_STOPPED;
3186}
3187
73390ac9
YM		 3188static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
3189{
3190 struct qed_vf_info *vf_info;
3191
3192 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3193 if (!vf_info)
3194 return false;
3195
3196 return vf_info->spoof_chk;
3197}
3198
ba56947a 3199static int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
6ddc7608
YM		 3200{
3201 struct qed_vf_info *vf;
3202 int rc = -EINVAL;
3203
3204 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3205 DP_NOTICE(p_hwfn,
3206 "SR-IOV sanity check failed, can't set spoofchk\n");
3207 goto out;
3208 }
3209
3210 vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3211 if (!vf)
3212 goto out;
3213
3214 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
3215 /* After VF VPORT start PF will configure spoof check */
3216 vf->req_spoofchk_val = val;
3217 rc = 0;
3218 goto out;
3219 }
3220
3221 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
3222
3223out:
3224 return rc;
3225}
3226
eff16960
YM		 3227static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
3228 u16 rel_vf_id)
3229{
3230 struct qed_vf_info *p_vf;
3231
3232 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3233 if (!p_vf || !p_vf->bulletin.p_virt)
3234 return NULL;
3235
1a635e48 3236 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(MAC_ADDR_FORCED)))
eff16960
YM		 3237 return NULL;
3238
3239 return p_vf->bulletin.p_virt->mac;
3240}
3241
ba56947a
BX		 3242static u16
3243qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
08feecd7
YM		 3244{
3245 struct qed_vf_info *p_vf;
3246
3247 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
3248 if (!p_vf || !p_vf->bulletin.p_virt)
3249 return 0;
3250
1a635e48 3251 if (!(p_vf->bulletin.p_virt->valid_bitmap & BIT(VLAN_ADDR_FORCED)))
08feecd7
YM		 3252 return 0;
3253
3254 return p_vf->bulletin.p_virt->pvid;
3255}
3256
733def6a
YM		 3257static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
3258 struct qed_ptt *p_ptt, int vfid, int val)
3259{
3260 struct qed_vf_info *vf;
3261 u8 abs_vp_id = 0;
3262 int rc;
3263
3264 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
3265 if (!vf)
3266 return -EINVAL;
3267
3268 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
3269 if (rc)
3270 return rc;
3271
3272 return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
3273}
3274
ba56947a
BX		 3275static int
3276qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
733def6a
YM		 3277{
3278 struct qed_vf_info *vf;
3279 u8 vport_id;
3280 int i;
3281
3282 for_each_hwfn(cdev, i) {
3283 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3284
3285 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3286 DP_NOTICE(p_hwfn,
3287 "SR-IOV sanity check failed, can't set min rate\n");
3288 return -EINVAL;
3289 }
3290 }
3291
3292 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
3293 vport_id = vf->vport_id;
3294
3295 return qed_configure_vport_wfq(cdev, vport_id, rate);
3296}
3297
73390ac9
YM		 3298static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
3299{
3300 struct qed_wfq_data *vf_vp_wfq;
3301 struct qed_vf_info *vf_info;
3302
3303 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
3304 if (!vf_info)
3305 return 0;
3306
3307 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
3308
3309 if (vf_vp_wfq->configured)
3310 return vf_vp_wfq->min_speed;
3311 else
3312 return 0;
3313}
3314
37bff2b9
YM		 3315/**
3316 * qed_schedule_iov - schedules IOV task for VF and PF
3317 * @hwfn: hardware function pointer
3318 * @flag: IOV flag for VF/PF
3319 */
3320void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3321{
3322 smp_mb__before_atomic();
3323 set_bit(flag, &hwfn->iov_task_flags);
3324 smp_mb__after_atomic();
3325 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3326 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3327}
3328
1408cc1f
YM		 3329void qed_vf_start_iov_wq(struct qed_dev *cdev)
3330{
3331 int i;
3332
3333 for_each_hwfn(cdev, i)
3334 queue_delayed_work(cdev->hwfns[i].iov_wq,
3335 &cdev->hwfns[i].iov_task, 0);
3336}
3337
0b55e27d
YM		 3338int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3339{
3340 int i, j;
3341
3342 for_each_hwfn(cdev, i)
3343 if (cdev->hwfns[i].iov_wq)
3344 flush_workqueue(cdev->hwfns[i].iov_wq);
3345
3346 /* Mark VFs for disablement */
3347 qed_iov_set_vfs_to_disable(cdev, true);
3348
3349 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3350 pci_disable_sriov(cdev->pdev);
3351
3352 for_each_hwfn(cdev, i) {
3353 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3354 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3355
3356 /* Failure to acquire the ptt in 100g creates an odd error
3357 * where the first engine has already relased IOV.
3358 */
3359 if (!ptt) {
3360 DP_ERR(hwfn, "Failed to acquire ptt\n");
3361 return -EBUSY;
3362 }
3363
733def6a
YM		 3364 /* Clean WFQ db and configure equal weight for all vports */
3365 qed_clean_wfq_db(hwfn, ptt);
3366
0b55e27d
YM		 3367 qed_for_each_vf(hwfn, j) {
3368 int k;
3369
3370 if (!qed_iov_is_valid_vfid(hwfn, j, true))
3371 continue;
3372
3373 /* Wait until VF is disabled before releasing */
3374 for (k = 0; k < 100; k++) {
3375 if (!qed_iov_is_vf_stopped(hwfn, j))
3376 msleep(20);
3377 else
3378 break;
3379 }
3380
3381 if (k < 100)
3382 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3383 ptt, j);
3384 else
3385 DP_ERR(hwfn,
3386 "Timeout waiting for VF's FLR to end\n");
3387 }
3388
3389 qed_ptt_release(hwfn, ptt);
3390 }
3391
3392 qed_iov_set_vfs_to_disable(cdev, false);
3393
3394 return 0;
3395}
3396
3397static int qed_sriov_enable(struct qed_dev *cdev, int num)
3398{
3399 struct qed_sb_cnt_info sb_cnt_info;
3400 int i, j, rc;
3401
3402 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3403 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3404 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3405 return -EINVAL;
3406 }
3407
3408 /* Initialize HW for VF access */
3409 for_each_hwfn(cdev, j) {
3410 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3411 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3412 int num_sbs = 0, limit = 16;
3413
3414 if (!ptt) {
3415 DP_ERR(hwfn, "Failed to acquire ptt\n");
3416 rc = -EBUSY;
3417 goto err;
3418 }
3419
83f34bd4
YM		 3420 if (IS_MF_DEFAULT(hwfn))
3421 limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3422
0b55e27d
YM		 3423 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3424 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3425 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3426
3427 for (i = 0; i < num; i++) {
3428 if (!qed_iov_is_valid_vfid(hwfn, i, false))
3429 continue;
3430
3431 rc = qed_iov_init_hw_for_vf(hwfn,
3432 ptt, i, num_sbs / num);
3433 if (rc) {
3434 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3435 qed_ptt_release(hwfn, ptt);
3436 goto err;
3437 }
3438 }
3439
3440 qed_ptt_release(hwfn, ptt);
3441 }
3442
3443 /* Enable SRIOV PCIe functions */
3444 rc = pci_enable_sriov(cdev->pdev, num);
3445 if (rc) {
3446 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3447 goto err;
3448 }
3449
3450 return num;
3451
3452err:
3453 qed_sriov_disable(cdev, false);
3454 return rc;
3455}
3456
3457static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3458{
3459 if (!IS_QED_SRIOV(cdev)) {
3460 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3461 return -EOPNOTSUPP;
3462 }
3463
3464 if (num_vfs_param)
3465 return qed_sriov_enable(cdev, num_vfs_param);
3466 else
3467 return qed_sriov_disable(cdev, true);
3468}
3469
eff16960
YM		 3470static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3471{
3472 int i;
3473
3474 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3475 DP_VERBOSE(cdev, QED_MSG_IOV,
3476 "Cannot set a VF MAC; Sriov is not enabled\n");
3477 return -EINVAL;
3478 }
3479
3480 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3481 DP_VERBOSE(cdev, QED_MSG_IOV,
3482 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3483 return -EINVAL;
3484 }
3485
3486 for_each_hwfn(cdev, i) {
3487 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3488 struct qed_public_vf_info *vf_info;
3489
3490 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3491 if (!vf_info)
3492 continue;
3493
3494 /* Set the forced MAC, and schedule the IOV task */
3495 ether_addr_copy(vf_info->forced_mac, mac);
3496 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3497 }
3498
3499 return 0;
3500}
3501
08feecd7
YM		 3502static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3503{
3504 int i;
3505
3506 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3507 DP_VERBOSE(cdev, QED_MSG_IOV,
3508 "Cannot set a VF MAC; Sriov is not enabled\n");
3509 return -EINVAL;
3510 }
3511
3512 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3513 DP_VERBOSE(cdev, QED_MSG_IOV,
3514 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3515 return -EINVAL;
3516 }
3517
3518 for_each_hwfn(cdev, i) {
3519 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3520 struct qed_public_vf_info *vf_info;
3521
3522 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3523 if (!vf_info)
3524 continue;
3525
3526 /* Set the forced vlan, and schedule the IOV task */
3527 vf_info->forced_vlan = vid;
3528 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3529 }
3530
3531 return 0;
3532}
3533
73390ac9
YM		 3534static int qed_get_vf_config(struct qed_dev *cdev,
3535 int vf_id, struct ifla_vf_info *ivi)
3536{
3537 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3538 struct qed_public_vf_info *vf_info;
3539 struct qed_mcp_link_state link;
3540 u32 tx_rate;
3541
3542 /* Sanitize request */
3543 if (IS_VF(cdev))
3544 return -EINVAL;
3545
3546 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3547 DP_VERBOSE(cdev, QED_MSG_IOV,
3548 "VF index [%d] isn't active\n", vf_id);
3549 return -EINVAL;
3550 }
3551
3552 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3553
3554 qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3555
3556 /* Fill information about VF */
3557 ivi->vf = vf_id;
3558
3559 if (is_valid_ether_addr(vf_info->forced_mac))
3560 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3561 else
3562 ether_addr_copy(ivi->mac, vf_info->mac);
3563
3564 ivi->vlan = vf_info->forced_vlan;
3565 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3566 ivi->linkstate = vf_info->link_state;
3567 tx_rate = vf_info->tx_rate;
3568 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3569 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3570
3571 return 0;
3572}
3573
36558c3d
YM		 3574void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3575{
3576 struct qed_mcp_link_capabilities caps;
3577 struct qed_mcp_link_params params;
3578 struct qed_mcp_link_state link;
3579 int i;
3580
3581 if (!hwfn->pf_iov_info)
3582 return;
3583
3584 /* Update bulletin of all future possible VFs with link configuration */
3585 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
733def6a
YM		 3586 struct qed_public_vf_info *vf_info;
3587
3588 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3589 if (!vf_info)
3590 continue;
3591
36558c3d
YM		 3592 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3593 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3594 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3595 sizeof(caps));
3596
733def6a
YM		 3597 /* Modify link according to the VF's configured link state */
3598 switch (vf_info->link_state) {
3599 case IFLA_VF_LINK_STATE_DISABLE:
3600 link.link_up = false;
3601 break;
3602 case IFLA_VF_LINK_STATE_ENABLE:
3603 link.link_up = true;
3604 /* Set speed according to maximum supported by HW.
3605 * that is 40G for regular devices and 100G for CMT
3606 * mode devices.
3607 */
3608 link.speed = (hwfn->cdev->num_hwfns > 1) ?
3609 100000 : 40000;
3610 default:
3611 /* In auto mode pass PF link image to VF */
3612 break;
3613 }
3614
3615 if (link.link_up && vf_info->tx_rate) {
3616 struct qed_ptt *ptt;
3617 int rate;
3618
3619 rate = min_t(int, vf_info->tx_rate, link.speed);
3620
3621 ptt = qed_ptt_acquire(hwfn);
3622 if (!ptt) {
3623 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3624 return;
3625 }
3626
3627 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3628 vf_info->tx_rate = rate;
3629 link.speed = rate;
3630 }
3631
3632 qed_ptt_release(hwfn, ptt);
3633 }
3634
36558c3d
YM		 3635 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3636 }
3637
3638 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3639}
3640
733def6a
YM		 3641static int qed_set_vf_link_state(struct qed_dev *cdev,
3642 int vf_id, int link_state)
3643{
3644 int i;
3645
3646 /* Sanitize request */
3647 if (IS_VF(cdev))
3648 return -EINVAL;
3649
3650 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3651 DP_VERBOSE(cdev, QED_MSG_IOV,
3652 "VF index [%d] isn't active\n", vf_id);
3653 return -EINVAL;
3654 }
3655
3656 /* Handle configuration of link state */
3657 for_each_hwfn(cdev, i) {
3658 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3659 struct qed_public_vf_info *vf;
3660
3661 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3662 if (!vf)
3663 continue;
3664
3665 if (vf->link_state == link_state)
3666 continue;
3667
3668 vf->link_state = link_state;
3669 qed_inform_vf_link_state(&cdev->hwfns[i]);
3670 }
3671
3672 return 0;
3673}
3674
6ddc7608
YM		 3675static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3676{
3677 int i, rc = -EINVAL;
3678
3679 for_each_hwfn(cdev, i) {
3680 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3681
3682 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3683 if (rc)
3684 break;
3685 }
3686
3687 return rc;
3688}
3689
733def6a
YM		 3690static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3691{
3692 int i;
3693
3694 for_each_hwfn(cdev, i) {
3695 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3696 struct qed_public_vf_info *vf;
3697
3698 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3699 DP_NOTICE(p_hwfn,
3700 "SR-IOV sanity check failed, can't set tx rate\n");
3701 return -EINVAL;
3702 }
3703
3704 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3705
3706 vf->tx_rate = rate;
3707
3708 qed_inform_vf_link_state(p_hwfn);
3709 }
3710
3711 return 0;
3712}
3713
3714static int qed_set_vf_rate(struct qed_dev *cdev,
3715 int vfid, u32 min_rate, u32 max_rate)
3716{
3717 int rc_min = 0, rc_max = 0;
3718
3719 if (max_rate)
3720 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3721
3722 if (min_rate)
3723 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3724
3725 if (rc_max | rc_min)
3726 return -EINVAL;
3727
3728 return 0;
3729}
3730
37bff2b9
YM		 3731static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3732{
3733 u64 events[QED_VF_ARRAY_LENGTH];
3734 struct qed_ptt *ptt;
3735 int i;
3736
3737 ptt = qed_ptt_acquire(hwfn);
3738 if (!ptt) {
3739 DP_VERBOSE(hwfn, QED_MSG_IOV,
3740 "Can't acquire PTT; re-scheduling\n");
3741 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3742 return;
3743 }
3744
3745 qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3746
3747 DP_VERBOSE(hwfn, QED_MSG_IOV,
3748 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3749 events[0], events[1], events[2]);
3750
3751 qed_for_each_vf(hwfn, i) {
3752 /* Skip VFs with no pending messages */
3753 if (!(events[i / 64] & (1ULL << (i % 64))))
3754 continue;
3755
3756 DP_VERBOSE(hwfn, QED_MSG_IOV,
3757 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3758 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3759
3760 /* Copy VF's message to PF's request buffer for that VF */
3761 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3762 continue;
3763
3764 qed_iov_process_mbx_req(hwfn, ptt, i);
3765 }
3766
3767 qed_ptt_release(hwfn, ptt);
3768}
3769
08feecd7
YM		 3770static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3771{
3772 int i;
3773
3774 qed_for_each_vf(hwfn, i) {
3775 struct qed_public_vf_info *info;
3776 bool update = false;
eff16960 3777 u8 *mac;
08feecd7
YM		 3778
3779 info = qed_iov_get_public_vf_info(hwfn, i, true);
3780 if (!info)
3781 continue;
3782
3783 /* Update data on bulletin board */
eff16960
YM		 3784 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3785 if (is_valid_ether_addr(info->forced_mac) &&
3786 (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3787 DP_VERBOSE(hwfn,
3788 QED_MSG_IOV,
3789 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3790 i,
3791 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3792
3793 /* Update bulletin board with forced MAC */
3794 qed_iov_bulletin_set_forced_mac(hwfn,
3795 info->forced_mac, i);
3796 update = true;
3797 }
08feecd7
YM		 3798
3799 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3800 info->forced_vlan) {
3801 DP_VERBOSE(hwfn,
3802 QED_MSG_IOV,
3803 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3804 info->forced_vlan,
3805 i,
3806 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3807 qed_iov_bulletin_set_forced_vlan(hwfn,
3808 info->forced_vlan, i);
3809 update = true;
3810 }
3811
3812 if (update)
3813 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3814 }
3815}
3816
36558c3d
YM		 3817static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3818{
3819 struct qed_ptt *ptt;
3820 int i;
3821
3822 ptt = qed_ptt_acquire(hwfn);
3823 if (!ptt) {
3824 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3825 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3826 return;
3827 }
3828
3829 qed_for_each_vf(hwfn, i)
3830 qed_iov_post_vf_bulletin(hwfn, i, ptt);
3831
3832 qed_ptt_release(hwfn, ptt);
3833}
3834
ba56947a
BX		 3835static void qed_iov_pf_task(struct work_struct *work)
3836
37bff2b9
YM		 3837{
3838 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3839 iov_task.work);
0b55e27d 3840 int rc;
37bff2b9
YM		 3841
3842 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3843 return;
3844
0b55e27d
YM		 3845 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3846 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3847
3848 if (!ptt) {
3849 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3850 return;
3851 }
3852
3853 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3854 if (rc)
3855 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3856
3857 qed_ptt_release(hwfn, ptt);
3858 }
3859
37bff2b9
YM		 3860 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3861 qed_handle_vf_msg(hwfn);
08feecd7
YM		 3862
3863 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3864 &hwfn->iov_task_flags))
3865 qed_handle_pf_set_vf_unicast(hwfn);
3866
36558c3d
YM		 3867 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3868 &hwfn->iov_task_flags))
3869 qed_handle_bulletin_post(hwfn);
37bff2b9
YM		 3870}
3871
3872void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3873{
3874 int i;
3875
3876 for_each_hwfn(cdev, i) {
3877 if (!cdev->hwfns[i].iov_wq)
3878 continue;
3879
3880 if (schedule_first) {
3881 qed_schedule_iov(&cdev->hwfns[i],
3882 QED_IOV_WQ_STOP_WQ_FLAG);
3883 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3884 }
3885
3886 flush_workqueue(cdev->hwfns[i].iov_wq);
3887 destroy_workqueue(cdev->hwfns[i].iov_wq);
3888 }
3889}
3890
3891int qed_iov_wq_start(struct qed_dev *cdev)
3892{
3893 char name[NAME_SIZE];
3894 int i;
3895
3896 for_each_hwfn(cdev, i) {
3897 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3898
36558c3d
YM		 3899 /* PFs needs a dedicated workqueue only if they support IOV.
3900 * VFs always require one.
3901 */
3902 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
37bff2b9
YM		 3903 continue;
3904
3905 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3906 cdev->pdev->bus->number,
3907 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3908
3909 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3910 if (!p_hwfn->iov_wq) {
3911 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3912 return -ENOMEM;
3913 }
3914
36558c3d
YM		 3915 if (IS_PF(cdev))
3916 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3917 else
3918 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
37bff2b9
YM		 3919 }
3920
3921 return 0;
3922}
0b55e27d
YM		 3923
3924const struct qed_iov_hv_ops qed_iov_ops_pass = {
3925 .configure = &qed_sriov_configure,
eff16960 3926 .set_mac = &qed_sriov_pf_set_mac,
08feecd7 3927 .set_vlan = &qed_sriov_pf_set_vlan,
73390ac9 3928 .get_config = &qed_get_vf_config,
733def6a 3929 .set_link_state = &qed_set_vf_link_state,
6ddc7608 3930 .set_spoof = &qed_spoof_configure,
733def6a 3931 .set_rate = &qed_set_vf_rate,
0b55e27d 3932};
Linux kernel - Deliverables
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