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net: vrf: set operstate and mtu at link create
[linux-2.6-block.git] / drivers / net / ethernet / qlogic / qed / qed_sriov.c
CommitLineData
32a47e72
YM		 1/* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
3 *
4 * This software is available under the terms of the GNU General Public License
5 * (GPL) Version 2, available from the file COPYING in the main directory of
6 * this source tree.
7 */
8
dacd88d6 9#include <linux/etherdevice.h>
36558c3d 10#include <linux/crc32.h>
0b55e27d 11#include <linux/qed/qed_iov_if.h>
1408cc1f
YM		 12#include "qed_cxt.h"
13#include "qed_hsi.h"
32a47e72 14#include "qed_hw.h"
1408cc1f 15#include "qed_init_ops.h"
32a47e72 16#include "qed_int.h"
1408cc1f 17#include "qed_mcp.h"
32a47e72 18#include "qed_reg_addr.h"
1408cc1f 19#include "qed_sp.h"
32a47e72
YM		 20#include "qed_sriov.h"
21#include "qed_vf.h"
22
1408cc1f
YM		 23/* IOV ramrods */
24static int qed_sp_vf_start(struct qed_hwfn *p_hwfn,
25 u32 concrete_vfid, u16 opaque_vfid)
26{
27 struct vf_start_ramrod_data *p_ramrod = NULL;
28 struct qed_spq_entry *p_ent = NULL;
29 struct qed_sp_init_data init_data;
30 int rc = -EINVAL;
31
32 /* Get SPQ entry */
33 memset(&init_data, 0, sizeof(init_data));
34 init_data.cid = qed_spq_get_cid(p_hwfn);
35 init_data.opaque_fid = opaque_vfid;
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
46 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
47 p_ramrod->opaque_fid = cpu_to_le16(opaque_vfid);
48
49 p_ramrod->personality = PERSONALITY_ETH;
50
51 return qed_spq_post(p_hwfn, p_ent, NULL);
52}
53
0b55e27d
YM		 54static int qed_sp_vf_stop(struct qed_hwfn *p_hwfn,
55 u32 concrete_vfid, u16 opaque_vfid)
56{
57 struct vf_stop_ramrod_data *p_ramrod = NULL;
58 struct qed_spq_entry *p_ent = NULL;
59 struct qed_sp_init_data init_data;
60 int rc = -EINVAL;
61
62 /* Get SPQ entry */
63 memset(&init_data, 0, sizeof(init_data));
64 init_data.cid = qed_spq_get_cid(p_hwfn);
65 init_data.opaque_fid = opaque_vfid;
66 init_data.comp_mode = QED_SPQ_MODE_EBLOCK;
67
68 rc = qed_sp_init_request(p_hwfn, &p_ent,
69 COMMON_RAMROD_VF_STOP,
70 PROTOCOLID_COMMON, &init_data);
71 if (rc)
72 return rc;
73
74 p_ramrod = &p_ent->ramrod.vf_stop;
75
76 p_ramrod->vf_id = GET_FIELD(concrete_vfid, PXP_CONCRETE_FID_VFID);
77
78 return qed_spq_post(p_hwfn, p_ent, NULL);
79}
80
32a47e72
YM		 81bool qed_iov_is_valid_vfid(struct qed_hwfn *p_hwfn,
82 int rel_vf_id, bool b_enabled_only)
83{
84 if (!p_hwfn->pf_iov_info) {
85 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
86 return false;
87 }
88
89 if ((rel_vf_id >= p_hwfn->cdev->p_iov_info->total_vfs) ||
90 (rel_vf_id < 0))
91 return false;
92
93 if ((!p_hwfn->pf_iov_info->vfs_array[rel_vf_id].b_init) &&
94 b_enabled_only)
95 return false;
96
97 return true;
98}
99
37bff2b9
YM		 100static struct qed_vf_info *qed_iov_get_vf_info(struct qed_hwfn *p_hwfn,
101 u16 relative_vf_id,
102 bool b_enabled_only)
103{
104 struct qed_vf_info *vf = NULL;
105
106 if (!p_hwfn->pf_iov_info) {
107 DP_NOTICE(p_hwfn->cdev, "No iov info\n");
108 return NULL;
109 }
110
111 if (qed_iov_is_valid_vfid(p_hwfn, relative_vf_id, b_enabled_only))
112 vf = &p_hwfn->pf_iov_info->vfs_array[relative_vf_id];
113 else
114 DP_ERR(p_hwfn, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
115 relative_vf_id);
116
117 return vf;
118}
119
36558c3d
YM		 120int qed_iov_post_vf_bulletin(struct qed_hwfn *p_hwfn,
121 int vfid, struct qed_ptt *p_ptt)
122{
123 struct qed_bulletin_content *p_bulletin;
124 int crc_size = sizeof(p_bulletin->crc);
125 struct qed_dmae_params params;
126 struct qed_vf_info *p_vf;
127
128 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
129 if (!p_vf)
130 return -EINVAL;
131
132 if (!p_vf->vf_bulletin)
133 return -EINVAL;
134
135 p_bulletin = p_vf->bulletin.p_virt;
136
137 /* Increment bulletin board version and compute crc */
138 p_bulletin->version++;
139 p_bulletin->crc = crc32(0, (u8 *)p_bulletin + crc_size,
140 p_vf->bulletin.size - crc_size);
141
142 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
143 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
144 p_bulletin->version, p_vf->relative_vf_id, p_bulletin->crc);
145
146 /* propagate bulletin board via dmae to vm memory */
147 memset(&params, 0, sizeof(params));
148 params.flags = QED_DMAE_FLAG_VF_DST;
149 params.dst_vfid = p_vf->abs_vf_id;
150 return qed_dmae_host2host(p_hwfn, p_ptt, p_vf->bulletin.phys,
151 p_vf->vf_bulletin, p_vf->bulletin.size / 4,
152 &params);
153}
154
32a47e72
YM		 155static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
156{
157 struct qed_hw_sriov_info *iov = cdev->p_iov_info;
158 int pos = iov->pos;
159
160 DP_VERBOSE(cdev, QED_MSG_IOV, "sriov ext pos %d\n", pos);
161 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_CTRL, &iov->ctrl);
162
163 pci_read_config_word(cdev->pdev,
164 pos + PCI_SRIOV_TOTAL_VF, &iov->total_vfs);
165 pci_read_config_word(cdev->pdev,
166 pos + PCI_SRIOV_INITIAL_VF, &iov->initial_vfs);
167
168 pci_read_config_word(cdev->pdev, pos + PCI_SRIOV_NUM_VF, &iov->num_vfs);
169 if (iov->num_vfs) {
170 DP_VERBOSE(cdev,
171 QED_MSG_IOV,
172 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
173 iov->num_vfs = 0;
174 }
175
176 pci_read_config_word(cdev->pdev,
177 pos + PCI_SRIOV_VF_OFFSET, &iov->offset);
178
179 pci_read_config_word(cdev->pdev,
180 pos + PCI_SRIOV_VF_STRIDE, &iov->stride);
181
182 pci_read_config_word(cdev->pdev,
183 pos + PCI_SRIOV_VF_DID, &iov->vf_device_id);
184
185 pci_read_config_dword(cdev->pdev,
186 pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz);
187
188 pci_read_config_dword(cdev->pdev, pos + PCI_SRIOV_CAP, &iov->cap);
189
190 pci_read_config_byte(cdev->pdev, pos + PCI_SRIOV_FUNC_LINK, &iov->link);
191
192 DP_VERBOSE(cdev,
193 QED_MSG_IOV,
194 "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",
195 iov->nres,
196 iov->cap,
197 iov->ctrl,
198 iov->total_vfs,
199 iov->initial_vfs,
200 iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz);
201
202 /* Some sanity checks */
203 if (iov->num_vfs > NUM_OF_VFS(cdev) ||
204 iov->total_vfs > NUM_OF_VFS(cdev)) {
205 /* This can happen only due to a bug. In this case we set
206 * num_vfs to zero to avoid memory corruption in the code that
207 * assumes max number of vfs
208 */
209 DP_NOTICE(cdev,
210 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
211 iov->num_vfs);
212
213 iov->num_vfs = 0;
214 iov->total_vfs = 0;
215 }
216
217 return 0;
218}
219
220static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
221 struct qed_ptt *p_ptt)
222{
223 struct qed_igu_block *p_sb;
224 u16 sb_id;
225 u32 val;
226
227 if (!p_hwfn->hw_info.p_igu_info) {
228 DP_ERR(p_hwfn,
229 "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
230 return;
231 }
232
233 for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
234 sb_id++) {
235 p_sb = &p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks[sb_id];
236 if ((p_sb->status & QED_IGU_STATUS_FREE) &&
237 !(p_sb->status & QED_IGU_STATUS_PF)) {
238 val = qed_rd(p_hwfn, p_ptt,
239 IGU_REG_MAPPING_MEMORY + sb_id * 4);
240 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
241 qed_wr(p_hwfn, p_ptt,
242 IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
243 }
244 }
245}
246
247static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
248{
249 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
250 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
251 struct qed_bulletin_content *p_bulletin_virt;
252 dma_addr_t req_p, rply_p, bulletin_p;
253 union pfvf_tlvs *p_reply_virt_addr;
254 union vfpf_tlvs *p_req_virt_addr;
255 u8 idx = 0;
256
257 memset(p_iov_info->vfs_array, 0, sizeof(p_iov_info->vfs_array));
258
259 p_req_virt_addr = p_iov_info->mbx_msg_virt_addr;
260 req_p = p_iov_info->mbx_msg_phys_addr;
261 p_reply_virt_addr = p_iov_info->mbx_reply_virt_addr;
262 rply_p = p_iov_info->mbx_reply_phys_addr;
263 p_bulletin_virt = p_iov_info->p_bulletins;
264 bulletin_p = p_iov_info->bulletins_phys;
265 if (!p_req_virt_addr || !p_reply_virt_addr || !p_bulletin_virt) {
266 DP_ERR(p_hwfn,
267 "qed_iov_setup_vfdb called without allocating mem first\n");
268 return;
269 }
270
271 for (idx = 0; idx < p_iov->total_vfs; idx++) {
272 struct qed_vf_info *vf = &p_iov_info->vfs_array[idx];
273 u32 concrete;
274
275 vf->vf_mbx.req_virt = p_req_virt_addr + idx;
276 vf->vf_mbx.req_phys = req_p + idx * sizeof(union vfpf_tlvs);
277 vf->vf_mbx.reply_virt = p_reply_virt_addr + idx;
278 vf->vf_mbx.reply_phys = rply_p + idx * sizeof(union pfvf_tlvs);
279
280 vf->state = VF_STOPPED;
281 vf->b_init = false;
282
283 vf->bulletin.phys = idx *
284 sizeof(struct qed_bulletin_content) +
285 bulletin_p;
286 vf->bulletin.p_virt = p_bulletin_virt + idx;
287 vf->bulletin.size = sizeof(struct qed_bulletin_content);
288
289 vf->relative_vf_id = idx;
290 vf->abs_vf_id = idx + p_iov->first_vf_in_pf;
291 concrete = qed_vfid_to_concrete(p_hwfn, vf->abs_vf_id);
292 vf->concrete_fid = concrete;
293 vf->opaque_fid = (p_hwfn->hw_info.opaque_fid & 0xff) |
294 (vf->abs_vf_id << 8);
295 vf->vport_id = idx + 1;
296 }
297}
298
299static int qed_iov_allocate_vfdb(struct qed_hwfn *p_hwfn)
300{
301 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
302 void **p_v_addr;
303 u16 num_vfs = 0;
304
305 num_vfs = p_hwfn->cdev->p_iov_info->total_vfs;
306
307 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
308 "qed_iov_allocate_vfdb for %d VFs\n", num_vfs);
309
310 /* Allocate PF Mailbox buffer (per-VF) */
311 p_iov_info->mbx_msg_size = sizeof(union vfpf_tlvs) * num_vfs;
312 p_v_addr = &p_iov_info->mbx_msg_virt_addr;
313 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
314 p_iov_info->mbx_msg_size,
315 &p_iov_info->mbx_msg_phys_addr,
316 GFP_KERNEL);
317 if (!*p_v_addr)
318 return -ENOMEM;
319
320 /* Allocate PF Mailbox Reply buffer (per-VF) */
321 p_iov_info->mbx_reply_size = sizeof(union pfvf_tlvs) * num_vfs;
322 p_v_addr = &p_iov_info->mbx_reply_virt_addr;
323 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
324 p_iov_info->mbx_reply_size,
325 &p_iov_info->mbx_reply_phys_addr,
326 GFP_KERNEL);
327 if (!*p_v_addr)
328 return -ENOMEM;
329
330 p_iov_info->bulletins_size = sizeof(struct qed_bulletin_content) *
331 num_vfs;
332 p_v_addr = &p_iov_info->p_bulletins;
333 *p_v_addr = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev,
334 p_iov_info->bulletins_size,
335 &p_iov_info->bulletins_phys,
336 GFP_KERNEL);
337 if (!*p_v_addr)
338 return -ENOMEM;
339
340 DP_VERBOSE(p_hwfn,
341 QED_MSG_IOV,
342 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
343 p_iov_info->mbx_msg_virt_addr,
344 (u64) p_iov_info->mbx_msg_phys_addr,
345 p_iov_info->mbx_reply_virt_addr,
346 (u64) p_iov_info->mbx_reply_phys_addr,
347 p_iov_info->p_bulletins, (u64) p_iov_info->bulletins_phys);
348
349 return 0;
350}
351
352static void qed_iov_free_vfdb(struct qed_hwfn *p_hwfn)
353{
354 struct qed_pf_iov *p_iov_info = p_hwfn->pf_iov_info;
355
356 if (p_hwfn->pf_iov_info->mbx_msg_virt_addr)
357 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
358 p_iov_info->mbx_msg_size,
359 p_iov_info->mbx_msg_virt_addr,
360 p_iov_info->mbx_msg_phys_addr);
361
362 if (p_hwfn->pf_iov_info->mbx_reply_virt_addr)
363 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
364 p_iov_info->mbx_reply_size,
365 p_iov_info->mbx_reply_virt_addr,
366 p_iov_info->mbx_reply_phys_addr);
367
368 if (p_iov_info->p_bulletins)
369 dma_free_coherent(&p_hwfn->cdev->pdev->dev,
370 p_iov_info->bulletins_size,
371 p_iov_info->p_bulletins,
372 p_iov_info->bulletins_phys);
373}
374
375int qed_iov_alloc(struct qed_hwfn *p_hwfn)
376{
377 struct qed_pf_iov *p_sriov;
378
379 if (!IS_PF_SRIOV(p_hwfn)) {
380 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
381 "No SR-IOV - no need for IOV db\n");
382 return 0;
383 }
384
385 p_sriov = kzalloc(sizeof(*p_sriov), GFP_KERNEL);
386 if (!p_sriov) {
387 DP_NOTICE(p_hwfn, "Failed to allocate `struct qed_sriov'\n");
388 return -ENOMEM;
389 }
390
391 p_hwfn->pf_iov_info = p_sriov;
392
393 return qed_iov_allocate_vfdb(p_hwfn);
394}
395
396void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
397{
398 if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
399 return;
400
401 qed_iov_setup_vfdb(p_hwfn);
402 qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
403}
404
405void qed_iov_free(struct qed_hwfn *p_hwfn)
406{
407 if (IS_PF_SRIOV_ALLOC(p_hwfn)) {
408 qed_iov_free_vfdb(p_hwfn);
409 kfree(p_hwfn->pf_iov_info);
410 }
411}
412
413void qed_iov_free_hw_info(struct qed_dev *cdev)
414{
415 kfree(cdev->p_iov_info);
416 cdev->p_iov_info = NULL;
417}
418
419int qed_iov_hw_info(struct qed_hwfn *p_hwfn)
420{
421 struct qed_dev *cdev = p_hwfn->cdev;
422 int pos;
423 int rc;
424
1408cc1f
YM		 425 if (IS_VF(p_hwfn->cdev))
426 return 0;
427
32a47e72
YM		 428 /* Learn the PCI configuration */
429 pos = pci_find_ext_capability(p_hwfn->cdev->pdev,
430 PCI_EXT_CAP_ID_SRIOV);
431 if (!pos) {
432 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "No PCIe IOV support\n");
433 return 0;
434 }
435
436 /* Allocate a new struct for IOV information */
437 cdev->p_iov_info = kzalloc(sizeof(*cdev->p_iov_info), GFP_KERNEL);
438 if (!cdev->p_iov_info) {
439 DP_NOTICE(p_hwfn, "Can't support IOV due to lack of memory\n");
440 return -ENOMEM;
441 }
442 cdev->p_iov_info->pos = pos;
443
444 rc = qed_iov_pci_cfg_info(cdev);
445 if (rc)
446 return rc;
447
448 /* We want PF IOV to be synonemous with the existance of p_iov_info;
449 * In case the capability is published but there are no VFs, simply
450 * de-allocate the struct.
451 */
452 if (!cdev->p_iov_info->total_vfs) {
453 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
454 "IOV capabilities, but no VFs are published\n");
455 kfree(cdev->p_iov_info);
456 cdev->p_iov_info = NULL;
457 return 0;
458 }
459
460 /* Calculate the first VF index - this is a bit tricky; Basically,
461 * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
462 * after the first engine's VFs.
463 */
464 cdev->p_iov_info->first_vf_in_pf = p_hwfn->cdev->p_iov_info->offset +
465 p_hwfn->abs_pf_id - 16;
466 if (QED_PATH_ID(p_hwfn))
467 cdev->p_iov_info->first_vf_in_pf -= MAX_NUM_VFS_BB;
468
469 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
470 "First VF in hwfn 0x%08x\n",
471 cdev->p_iov_info->first_vf_in_pf);
472
473 return 0;
474}
475
37bff2b9
YM		 476static bool qed_iov_pf_sanity_check(struct qed_hwfn *p_hwfn, int vfid)
477{
478 /* Check PF supports sriov */
b0409fa0
YM		 479 if (IS_VF(p_hwfn->cdev) || !IS_QED_SRIOV(p_hwfn->cdev) ||
480 !IS_PF_SRIOV_ALLOC(p_hwfn))
37bff2b9
YM		 481 return false;
482
483 /* Check VF validity */
b0409fa0 484 if (!qed_iov_is_valid_vfid(p_hwfn, vfid, true))
37bff2b9
YM		 485 return false;
486
487 return true;
488}
489
0b55e27d
YM		 490static void qed_iov_set_vf_to_disable(struct qed_dev *cdev,
491 u16 rel_vf_id, u8 to_disable)
492{
493 struct qed_vf_info *vf;
494 int i;
495
496 for_each_hwfn(cdev, i) {
497 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
498
499 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
500 if (!vf)
501 continue;
502
503 vf->to_disable = to_disable;
504 }
505}
506
507void qed_iov_set_vfs_to_disable(struct qed_dev *cdev, u8 to_disable)
508{
509 u16 i;
510
511 if (!IS_QED_SRIOV(cdev))
512 return;
513
514 for (i = 0; i < cdev->p_iov_info->total_vfs; i++)
515 qed_iov_set_vf_to_disable(cdev, i, to_disable);
516}
517
1408cc1f
YM		 518static void qed_iov_vf_pglue_clear_err(struct qed_hwfn *p_hwfn,
519 struct qed_ptt *p_ptt, u8 abs_vfid)
520{
521 qed_wr(p_hwfn, p_ptt,
522 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR + (abs_vfid >> 5) * 4,
523 1 << (abs_vfid & 0x1f));
524}
525
dacd88d6
YM		 526static void qed_iov_vf_igu_reset(struct qed_hwfn *p_hwfn,
527 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
528{
dacd88d6
YM		 529 int i;
530
531 /* Set VF masks and configuration - pretend */
532 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
533
534 qed_wr(p_hwfn, p_ptt, IGU_REG_STATISTIC_NUM_VF_MSG_SENT, 0);
535
dacd88d6
YM		 536 /* unpretend */
537 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
538
539 /* iterate over all queues, clear sb consumer */
b2b897eb
YM		 540 for (i = 0; i < vf->num_sbs; i++)
541 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
542 vf->igu_sbs[i],
543 vf->opaque_fid, true);
dacd88d6
YM		 544}
545
0b55e27d
YM		 546static void qed_iov_vf_igu_set_int(struct qed_hwfn *p_hwfn,
547 struct qed_ptt *p_ptt,
548 struct qed_vf_info *vf, bool enable)
549{
550 u32 igu_vf_conf;
551
552 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
553
554 igu_vf_conf = qed_rd(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION);
555
556 if (enable)
557 igu_vf_conf |= IGU_VF_CONF_MSI_MSIX_EN;
558 else
559 igu_vf_conf &= ~IGU_VF_CONF_MSI_MSIX_EN;
560
561 qed_wr(p_hwfn, p_ptt, IGU_REG_VF_CONFIGURATION, igu_vf_conf);
562
563 /* unpretend */
564 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
565}
566
1408cc1f
YM		 567static int qed_iov_enable_vf_access(struct qed_hwfn *p_hwfn,
568 struct qed_ptt *p_ptt,
569 struct qed_vf_info *vf)
570{
571 u32 igu_vf_conf = IGU_VF_CONF_FUNC_EN;
572 int rc;
573
0b55e27d
YM		 574 if (vf->to_disable)
575 return 0;
576
1408cc1f
YM		 577 DP_VERBOSE(p_hwfn,
578 QED_MSG_IOV,
579 "Enable internal access for vf %x [abs %x]\n",
580 vf->abs_vf_id, QED_VF_ABS_ID(p_hwfn, vf));
581
582 qed_iov_vf_pglue_clear_err(p_hwfn, p_ptt, QED_VF_ABS_ID(p_hwfn, vf));
583
b2b897eb
YM		 584 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
585
1408cc1f
YM		 586 rc = qed_mcp_config_vf_msix(p_hwfn, p_ptt, vf->abs_vf_id, vf->num_sbs);
587 if (rc)
588 return rc;
589
590 qed_fid_pretend(p_hwfn, p_ptt, (u16) vf->concrete_fid);
591
592 SET_FIELD(igu_vf_conf, IGU_VF_CONF_PARENT, p_hwfn->rel_pf_id);
593 STORE_RT_REG(p_hwfn, IGU_REG_VF_CONFIGURATION_RT_OFFSET, igu_vf_conf);
594
595 qed_init_run(p_hwfn, p_ptt, PHASE_VF, vf->abs_vf_id,
596 p_hwfn->hw_info.hw_mode);
597
598 /* unpretend */
599 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
600
601 if (vf->state != VF_STOPPED) {
602 DP_NOTICE(p_hwfn, "VF[%02x] is already started\n",
603 vf->abs_vf_id);
604 return -EINVAL;
605 }
606
607 /* Start VF */
608 rc = qed_sp_vf_start(p_hwfn, vf->concrete_fid, vf->opaque_fid);
609 if (rc)
610 DP_NOTICE(p_hwfn, "Failed to start VF[%02x]\n", vf->abs_vf_id);
611
612 vf->state = VF_FREE;
613
614 return rc;
615}
616
0b55e27d
YM		 617/**
618 * @brief qed_iov_config_perm_table - configure the permission
619 * zone table.
620 * In E4, queue zone permission table size is 320x9. There
621 * are 320 VF queues for single engine device (256 for dual
622 * engine device), and each entry has the following format:
623 * {Valid, VF[7:0]}
624 * @param p_hwfn
625 * @param p_ptt
626 * @param vf
627 * @param enable
628 */
629static void qed_iov_config_perm_table(struct qed_hwfn *p_hwfn,
630 struct qed_ptt *p_ptt,
631 struct qed_vf_info *vf, u8 enable)
632{
633 u32 reg_addr, val;
634 u16 qzone_id = 0;
635 int qid;
636
637 for (qid = 0; qid < vf->num_rxqs; qid++) {
638 qed_fw_l2_queue(p_hwfn, vf->vf_queues[qid].fw_rx_qid,
639 &qzone_id);
640
641 reg_addr = PSWHST_REG_ZONE_PERMISSION_TABLE + qzone_id * 4;
642 val = enable ? (vf->abs_vf_id | (1 << 8)) : 0;
643 qed_wr(p_hwfn, p_ptt, reg_addr, val);
644 }
645}
646
dacd88d6
YM		 647static void qed_iov_enable_vf_traffic(struct qed_hwfn *p_hwfn,
648 struct qed_ptt *p_ptt,
649 struct qed_vf_info *vf)
650{
651 /* Reset vf in IGU - interrupts are still disabled */
652 qed_iov_vf_igu_reset(p_hwfn, p_ptt, vf);
653
654 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 1);
655
656 /* Permission Table */
657 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, true);
658}
659
1408cc1f
YM		 660static u8 qed_iov_alloc_vf_igu_sbs(struct qed_hwfn *p_hwfn,
661 struct qed_ptt *p_ptt,
662 struct qed_vf_info *vf, u16 num_rx_queues)
663{
664 struct qed_igu_block *igu_blocks;
665 int qid = 0, igu_id = 0;
666 u32 val = 0;
667
668 igu_blocks = p_hwfn->hw_info.p_igu_info->igu_map.igu_blocks;
669
670 if (num_rx_queues > p_hwfn->hw_info.p_igu_info->free_blks)
671 num_rx_queues = p_hwfn->hw_info.p_igu_info->free_blks;
672 p_hwfn->hw_info.p_igu_info->free_blks -= num_rx_queues;
673
674 SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER, vf->abs_vf_id);
675 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 1);
676 SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, 0);
677
678 while ((qid < num_rx_queues) &&
679 (igu_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev))) {
680 if (igu_blocks[igu_id].status & QED_IGU_STATUS_FREE) {
681 struct cau_sb_entry sb_entry;
682
683 vf->igu_sbs[qid] = (u16)igu_id;
684 igu_blocks[igu_id].status &= ~QED_IGU_STATUS_FREE;
685
686 SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER, qid);
687
688 qed_wr(p_hwfn, p_ptt,
689 IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id,
690 val);
691
692 /* Configure igu sb in CAU which were marked valid */
693 qed_init_cau_sb_entry(p_hwfn, &sb_entry,
694 p_hwfn->rel_pf_id,
695 vf->abs_vf_id, 1);
696 qed_dmae_host2grc(p_hwfn, p_ptt,
697 (u64)(uintptr_t)&sb_entry,
698 CAU_REG_SB_VAR_MEMORY +
699 igu_id * sizeof(u64), 2, 0);
700 qid++;
701 }
702 igu_id++;
703 }
704
705 vf->num_sbs = (u8) num_rx_queues;
706
707 return vf->num_sbs;
708}
709
0b55e27d
YM		 710static void qed_iov_free_vf_igu_sbs(struct qed_hwfn *p_hwfn,
711 struct qed_ptt *p_ptt,
712 struct qed_vf_info *vf)
713{
714 struct qed_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
715 int idx, igu_id;
716 u32 addr, val;
717
718 /* Invalidate igu CAM lines and mark them as free */
719 for (idx = 0; idx < vf->num_sbs; idx++) {
720 igu_id = vf->igu_sbs[idx];
721 addr = IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_id;
722
723 val = qed_rd(p_hwfn, p_ptt, addr);
724 SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
725 qed_wr(p_hwfn, p_ptt, addr, val);
726
727 p_info->igu_map.igu_blocks[igu_id].status |=
728 QED_IGU_STATUS_FREE;
729
730 p_hwfn->hw_info.p_igu_info->free_blks++;
731 }
732
733 vf->num_sbs = 0;
734}
735
1408cc1f
YM		 736static int qed_iov_init_hw_for_vf(struct qed_hwfn *p_hwfn,
737 struct qed_ptt *p_ptt,
738 u16 rel_vf_id, u16 num_rx_queues)
739{
740 u8 num_of_vf_avaiable_chains = 0;
741 struct qed_vf_info *vf = NULL;
742 int rc = 0;
743 u32 cids;
744 u8 i;
745
746 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
747 if (!vf) {
748 DP_ERR(p_hwfn, "qed_iov_init_hw_for_vf : vf is NULL\n");
749 return -EINVAL;
750 }
751
752 if (vf->b_init) {
753 DP_NOTICE(p_hwfn, "VF[%d] is already active.\n", rel_vf_id);
754 return -EINVAL;
755 }
756
757 /* Limit number of queues according to number of CIDs */
758 qed_cxt_get_proto_cid_count(p_hwfn, PROTOCOLID_ETH, &cids);
759 DP_VERBOSE(p_hwfn,
760 QED_MSG_IOV,
761 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
762 vf->relative_vf_id, num_rx_queues, (u16) cids);
763 num_rx_queues = min_t(u16, num_rx_queues, ((u16) cids));
764
765 num_of_vf_avaiable_chains = qed_iov_alloc_vf_igu_sbs(p_hwfn,
766 p_ptt,
767 vf,
768 num_rx_queues);
769 if (!num_of_vf_avaiable_chains) {
770 DP_ERR(p_hwfn, "no available igu sbs\n");
771 return -ENOMEM;
772 }
773
774 /* Choose queue number and index ranges */
775 vf->num_rxqs = num_of_vf_avaiable_chains;
776 vf->num_txqs = num_of_vf_avaiable_chains;
777
778 for (i = 0; i < vf->num_rxqs; i++) {
779 u16 queue_id = qed_int_queue_id_from_sb_id(p_hwfn,
780 vf->igu_sbs[i]);
781
782 if (queue_id > RESC_NUM(p_hwfn, QED_L2_QUEUE)) {
783 DP_NOTICE(p_hwfn,
784 "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
785 vf->relative_vf_id, queue_id);
786 return -EINVAL;
787 }
788
789 /* CIDs are per-VF, so no problem having them 0-based. */
790 vf->vf_queues[i].fw_rx_qid = queue_id;
791 vf->vf_queues[i].fw_tx_qid = queue_id;
792 vf->vf_queues[i].fw_cid = i;
793
794 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
795 "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
796 vf->relative_vf_id, i, vf->igu_sbs[i], queue_id, i);
797 }
798 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, vf);
799 if (!rc) {
800 vf->b_init = true;
801
802 if (IS_LEAD_HWFN(p_hwfn))
803 p_hwfn->cdev->p_iov_info->num_vfs++;
804 }
805
806 return rc;
807}
808
079d20a6
MC		 809static void qed_iov_set_link(struct qed_hwfn *p_hwfn,
810 u16 vfid,
811 struct qed_mcp_link_params *params,
812 struct qed_mcp_link_state *link,
813 struct qed_mcp_link_capabilities *p_caps)
814{
815 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
816 vfid,
817 false);
818 struct qed_bulletin_content *p_bulletin;
819
820 if (!p_vf)
821 return;
822
823 p_bulletin = p_vf->bulletin.p_virt;
824 p_bulletin->req_autoneg = params->speed.autoneg;
825 p_bulletin->req_adv_speed = params->speed.advertised_speeds;
826 p_bulletin->req_forced_speed = params->speed.forced_speed;
827 p_bulletin->req_autoneg_pause = params->pause.autoneg;
828 p_bulletin->req_forced_rx = params->pause.forced_rx;
829 p_bulletin->req_forced_tx = params->pause.forced_tx;
830 p_bulletin->req_loopback = params->loopback_mode;
831
832 p_bulletin->link_up = link->link_up;
833 p_bulletin->speed = link->speed;
834 p_bulletin->full_duplex = link->full_duplex;
835 p_bulletin->autoneg = link->an;
836 p_bulletin->autoneg_complete = link->an_complete;
837 p_bulletin->parallel_detection = link->parallel_detection;
838 p_bulletin->pfc_enabled = link->pfc_enabled;
839 p_bulletin->partner_adv_speed = link->partner_adv_speed;
840 p_bulletin->partner_tx_flow_ctrl_en = link->partner_tx_flow_ctrl_en;
841 p_bulletin->partner_rx_flow_ctrl_en = link->partner_rx_flow_ctrl_en;
842 p_bulletin->partner_adv_pause = link->partner_adv_pause;
843 p_bulletin->sfp_tx_fault = link->sfp_tx_fault;
844
845 p_bulletin->capability_speed = p_caps->speed_capabilities;
846}
847
0b55e27d
YM		 848static int qed_iov_release_hw_for_vf(struct qed_hwfn *p_hwfn,
849 struct qed_ptt *p_ptt, u16 rel_vf_id)
850{
079d20a6
MC		 851 struct qed_mcp_link_capabilities caps;
852 struct qed_mcp_link_params params;
853 struct qed_mcp_link_state link;
0b55e27d
YM		 854 struct qed_vf_info *vf = NULL;
855 int rc = 0;
856
857 vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
858 if (!vf) {
859 DP_ERR(p_hwfn, "qed_iov_release_hw_for_vf : vf is NULL\n");
860 return -EINVAL;
861 }
862
36558c3d
YM		 863 if (vf->bulletin.p_virt)
864 memset(vf->bulletin.p_virt, 0, sizeof(*vf->bulletin.p_virt));
865
866 memset(&vf->p_vf_info, 0, sizeof(vf->p_vf_info));
867
079d20a6
MC		 868 /* Get the link configuration back in bulletin so
869 * that when VFs are re-enabled they get the actual
870 * link configuration.
871 */
872 memcpy(&params, qed_mcp_get_link_params(p_hwfn), sizeof(params));
873 memcpy(&link, qed_mcp_get_link_state(p_hwfn), sizeof(link));
874 memcpy(&caps, qed_mcp_get_link_capabilities(p_hwfn), sizeof(caps));
875 qed_iov_set_link(p_hwfn, rel_vf_id, &params, &link, &caps);
876
0b55e27d
YM		 877 if (vf->state != VF_STOPPED) {
878 /* Stopping the VF */
879 rc = qed_sp_vf_stop(p_hwfn, vf->concrete_fid, vf->opaque_fid);
880
881 if (rc != 0) {
882 DP_ERR(p_hwfn, "qed_sp_vf_stop returned error %d\n",
883 rc);
884 return rc;
885 }
886
887 vf->state = VF_STOPPED;
888 }
889
890 /* disablng interrupts and resetting permission table was done during
891 * vf-close, however, we could get here without going through vf_close
892 */
893 /* Disable Interrupts for VF */
894 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
895
896 /* Reset Permission table */
897 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
898
899 vf->num_rxqs = 0;
900 vf->num_txqs = 0;
901 qed_iov_free_vf_igu_sbs(p_hwfn, p_ptt, vf);
902
903 if (vf->b_init) {
904 vf->b_init = false;
905
906 if (IS_LEAD_HWFN(p_hwfn))
907 p_hwfn->cdev->p_iov_info->num_vfs--;
908 }
909
910 return 0;
911}
912
37bff2b9
YM		 913static bool qed_iov_tlv_supported(u16 tlvtype)
914{
915 return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
916}
917
918/* place a given tlv on the tlv buffer, continuing current tlv list */
919void *qed_add_tlv(struct qed_hwfn *p_hwfn, u8 **offset, u16 type, u16 length)
920{
921 struct channel_tlv *tl = (struct channel_tlv *)*offset;
922
923 tl->type = type;
924 tl->length = length;
925
926 /* Offset should keep pointing to next TLV (the end of the last) */
927 *offset += length;
928
929 /* Return a pointer to the start of the added tlv */
930 return *offset - length;
931}
932
933/* list the types and lengths of the tlvs on the buffer */
934void qed_dp_tlv_list(struct qed_hwfn *p_hwfn, void *tlvs_list)
935{
936 u16 i = 1, total_length = 0;
937 struct channel_tlv *tlv;
938
939 do {
940 tlv = (struct channel_tlv *)((u8 *)tlvs_list + total_length);
941
942 /* output tlv */
943 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
944 "TLV number %d: type %d, length %d\n",
945 i, tlv->type, tlv->length);
946
947 if (tlv->type == CHANNEL_TLV_LIST_END)
948 return;
949
950 /* Validate entry - protect against malicious VFs */
951 if (!tlv->length) {
952 DP_NOTICE(p_hwfn, "TLV of length 0 found\n");
953 return;
954 }
955
956 total_length += tlv->length;
957
958 if (total_length >= sizeof(struct tlv_buffer_size)) {
959 DP_NOTICE(p_hwfn, "TLV ==> Buffer overflow\n");
960 return;
961 }
962
963 i++;
964 } while (1);
965}
966
967static void qed_iov_send_response(struct qed_hwfn *p_hwfn,
968 struct qed_ptt *p_ptt,
969 struct qed_vf_info *p_vf,
970 u16 length, u8 status)
971{
972 struct qed_iov_vf_mbx *mbx = &p_vf->vf_mbx;
973 struct qed_dmae_params params;
974 u8 eng_vf_id;
975
976 mbx->reply_virt->default_resp.hdr.status = status;
977
978 qed_dp_tlv_list(p_hwfn, mbx->reply_virt);
979
980 eng_vf_id = p_vf->abs_vf_id;
981
982 memset(&params, 0, sizeof(struct qed_dmae_params));
983 params.flags = QED_DMAE_FLAG_VF_DST;
984 params.dst_vfid = eng_vf_id;
985
986 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys + sizeof(u64),
987 mbx->req_virt->first_tlv.reply_address +
988 sizeof(u64),
989 (sizeof(union pfvf_tlvs) - sizeof(u64)) / 4,
990 &params);
991
992 qed_dmae_host2host(p_hwfn, p_ptt, mbx->reply_phys,
993 mbx->req_virt->first_tlv.reply_address,
994 sizeof(u64) / 4, &params);
995
996 REG_WR(p_hwfn,
997 GTT_BAR0_MAP_REG_USDM_RAM +
998 USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id), 1);
999}
1000
dacd88d6
YM		 1001static u16 qed_iov_vport_to_tlv(struct qed_hwfn *p_hwfn,
1002 enum qed_iov_vport_update_flag flag)
1003{
1004 switch (flag) {
1005 case QED_IOV_VP_UPDATE_ACTIVATE:
1006 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
17b235c1
YM		 1007 case QED_IOV_VP_UPDATE_VLAN_STRIP:
1008 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1009 case QED_IOV_VP_UPDATE_TX_SWITCH:
1010 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
dacd88d6
YM		 1011 case QED_IOV_VP_UPDATE_MCAST:
1012 return CHANNEL_TLV_VPORT_UPDATE_MCAST;
1013 case QED_IOV_VP_UPDATE_ACCEPT_PARAM:
1014 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1015 case QED_IOV_VP_UPDATE_RSS:
1016 return CHANNEL_TLV_VPORT_UPDATE_RSS;
17b235c1
YM		 1017 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN:
1018 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1019 case QED_IOV_VP_UPDATE_SGE_TPA:
1020 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
dacd88d6
YM		 1021 default:
1022 return 0;
1023 }
1024}
1025
1026static u16 qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn *p_hwfn,
1027 struct qed_vf_info *p_vf,
1028 struct qed_iov_vf_mbx *p_mbx,
1029 u8 status,
1030 u16 tlvs_mask, u16 tlvs_accepted)
1031{
1032 struct pfvf_def_resp_tlv *resp;
1033 u16 size, total_len, i;
1034
1035 memset(p_mbx->reply_virt, 0, sizeof(union pfvf_tlvs));
1036 p_mbx->offset = (u8 *)p_mbx->reply_virt;
1037 size = sizeof(struct pfvf_def_resp_tlv);
1038 total_len = size;
1039
1040 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_VPORT_UPDATE, size);
1041
1042 /* Prepare response for all extended tlvs if they are found by PF */
1043 for (i = 0; i < QED_IOV_VP_UPDATE_MAX; i++) {
1044 if (!(tlvs_mask & (1 << i)))
1045 continue;
1046
1047 resp = qed_add_tlv(p_hwfn, &p_mbx->offset,
1048 qed_iov_vport_to_tlv(p_hwfn, i), size);
1049
1050 if (tlvs_accepted & (1 << i))
1051 resp->hdr.status = status;
1052 else
1053 resp->hdr.status = PFVF_STATUS_NOT_SUPPORTED;
1054
1055 DP_VERBOSE(p_hwfn,
1056 QED_MSG_IOV,
1057 "VF[%d] - vport_update response: TLV %d, status %02x\n",
1058 p_vf->relative_vf_id,
1059 qed_iov_vport_to_tlv(p_hwfn, i), resp->hdr.status);
1060
1061 total_len += size;
1062 }
1063
1064 qed_add_tlv(p_hwfn, &p_mbx->offset, CHANNEL_TLV_LIST_END,
1065 sizeof(struct channel_list_end_tlv));
1066
1067 return total_len;
1068}
1069
37bff2b9
YM		 1070static void qed_iov_prepare_resp(struct qed_hwfn *p_hwfn,
1071 struct qed_ptt *p_ptt,
1072 struct qed_vf_info *vf_info,
1073 u16 type, u16 length, u8 status)
1074{
1075 struct qed_iov_vf_mbx *mbx = &vf_info->vf_mbx;
1076
1077 mbx->offset = (u8 *)mbx->reply_virt;
1078
1079 qed_add_tlv(p_hwfn, &mbx->offset, type, length);
1080 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1081 sizeof(struct channel_list_end_tlv));
1082
1083 qed_iov_send_response(p_hwfn, p_ptt, vf_info, length, status);
1084}
1085
0b55e27d
YM		 1086struct qed_public_vf_info *qed_iov_get_public_vf_info(struct qed_hwfn *p_hwfn,
1087 u16 relative_vf_id,
1088 bool b_enabled_only)
1089{
1090 struct qed_vf_info *vf = NULL;
1091
1092 vf = qed_iov_get_vf_info(p_hwfn, relative_vf_id, b_enabled_only);
1093 if (!vf)
1094 return NULL;
1095
1096 return &vf->p_vf_info;
1097}
1098
1099void qed_iov_clean_vf(struct qed_hwfn *p_hwfn, u8 vfid)
1100{
1101 struct qed_public_vf_info *vf_info;
1102
1103 vf_info = qed_iov_get_public_vf_info(p_hwfn, vfid, false);
1104
1105 if (!vf_info)
1106 return;
1107
1108 /* Clear the VF mac */
1109 memset(vf_info->mac, 0, ETH_ALEN);
1110}
1111
1112static void qed_iov_vf_cleanup(struct qed_hwfn *p_hwfn,
1113 struct qed_vf_info *p_vf)
1114{
1115 u32 i;
1116
1117 p_vf->vf_bulletin = 0;
dacd88d6 1118 p_vf->vport_instance = 0;
0b55e27d
YM		 1119 p_vf->num_mac_filters = 0;
1120 p_vf->num_vlan_filters = 0;
08feecd7 1121 p_vf->configured_features = 0;
0b55e27d
YM		 1122
1123 /* If VF previously requested less resources, go back to default */
1124 p_vf->num_rxqs = p_vf->num_sbs;
1125 p_vf->num_txqs = p_vf->num_sbs;
1126
dacd88d6
YM		 1127 p_vf->num_active_rxqs = 0;
1128
0b55e27d
YM		 1129 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++)
1130 p_vf->vf_queues[i].rxq_active = 0;
1131
08feecd7 1132 memset(&p_vf->shadow_config, 0, sizeof(p_vf->shadow_config));
0b55e27d
YM		 1133 qed_iov_clean_vf(p_hwfn, p_vf->relative_vf_id);
1134}
1135
1408cc1f
YM		 1136static void qed_iov_vf_mbx_acquire(struct qed_hwfn *p_hwfn,
1137 struct qed_ptt *p_ptt,
1138 struct qed_vf_info *vf)
37bff2b9 1139{
1408cc1f
YM		 1140 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1141 struct pfvf_acquire_resp_tlv *resp = &mbx->reply_virt->acquire_resp;
1142 struct pf_vf_pfdev_info *pfdev_info = &resp->pfdev_info;
1143 struct vfpf_acquire_tlv *req = &mbx->req_virt->acquire;
1144 u8 i, vfpf_status = PFVF_STATUS_SUCCESS;
1145 struct pf_vf_resc *resc = &resp->resc;
1146
1147 /* Validate FW compatibility */
1148 if (req->vfdev_info.fw_major != FW_MAJOR_VERSION ||
1149 req->vfdev_info.fw_minor != FW_MINOR_VERSION ||
1150 req->vfdev_info.fw_revision != FW_REVISION_VERSION ||
1151 req->vfdev_info.fw_engineering != FW_ENGINEERING_VERSION) {
1152 DP_INFO(p_hwfn,
1153 "VF[%d] is running an incompatible driver [VF needs FW %02x:%02x:%02x:%02x but Hypervisor is using %02x:%02x:%02x:%02x]\n",
1154 vf->abs_vf_id,
1155 req->vfdev_info.fw_major,
1156 req->vfdev_info.fw_minor,
1157 req->vfdev_info.fw_revision,
1158 req->vfdev_info.fw_engineering,
1159 FW_MAJOR_VERSION,
1160 FW_MINOR_VERSION,
1161 FW_REVISION_VERSION, FW_ENGINEERING_VERSION);
1162 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1163 goto out;
1164 }
1165
1166 /* On 100g PFs, prevent old VFs from loading */
1167 if ((p_hwfn->cdev->num_hwfns > 1) &&
1168 !(req->vfdev_info.capabilities & VFPF_ACQUIRE_CAP_100G)) {
1169 DP_INFO(p_hwfn,
1170 "VF[%d] is running an old driver that doesn't support 100g\n",
1171 vf->abs_vf_id);
1172 vfpf_status = PFVF_STATUS_NOT_SUPPORTED;
1173 goto out;
1174 }
1175
1176 memset(resp, 0, sizeof(*resp));
1177
1178 /* Fill in vf info stuff */
1179 vf->opaque_fid = req->vfdev_info.opaque_fid;
1180 vf->num_mac_filters = 1;
1181 vf->num_vlan_filters = QED_ETH_VF_NUM_VLAN_FILTERS;
1182
1183 vf->vf_bulletin = req->bulletin_addr;
1184 vf->bulletin.size = (vf->bulletin.size < req->bulletin_size) ?
1185 vf->bulletin.size : req->bulletin_size;
1186
1187 /* fill in pfdev info */
1188 pfdev_info->chip_num = p_hwfn->cdev->chip_num;
1189 pfdev_info->db_size = 0;
1190 pfdev_info->indices_per_sb = PIS_PER_SB;
1191
1192 pfdev_info->capabilities = PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED |
1193 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE;
1194 if (p_hwfn->cdev->num_hwfns > 1)
1195 pfdev_info->capabilities |= PFVF_ACQUIRE_CAP_100G;
1196
1197 pfdev_info->stats_info.mstats.address =
1198 PXP_VF_BAR0_START_MSDM_ZONE_B +
1199 offsetof(struct mstorm_vf_zone, non_trigger.eth_queue_stat);
1200 pfdev_info->stats_info.mstats.len =
1201 sizeof(struct eth_mstorm_per_queue_stat);
1202
1203 pfdev_info->stats_info.ustats.address =
1204 PXP_VF_BAR0_START_USDM_ZONE_B +
1205 offsetof(struct ustorm_vf_zone, non_trigger.eth_queue_stat);
1206 pfdev_info->stats_info.ustats.len =
1207 sizeof(struct eth_ustorm_per_queue_stat);
1208
1209 pfdev_info->stats_info.pstats.address =
1210 PXP_VF_BAR0_START_PSDM_ZONE_B +
1211 offsetof(struct pstorm_vf_zone, non_trigger.eth_queue_stat);
1212 pfdev_info->stats_info.pstats.len =
1213 sizeof(struct eth_pstorm_per_queue_stat);
1214
1215 pfdev_info->stats_info.tstats.address = 0;
1216 pfdev_info->stats_info.tstats.len = 0;
1217
1218 memcpy(pfdev_info->port_mac, p_hwfn->hw_info.hw_mac_addr, ETH_ALEN);
1219
1220 pfdev_info->fw_major = FW_MAJOR_VERSION;
1221 pfdev_info->fw_minor = FW_MINOR_VERSION;
1222 pfdev_info->fw_rev = FW_REVISION_VERSION;
1223 pfdev_info->fw_eng = FW_ENGINEERING_VERSION;
1224 pfdev_info->os_type = VFPF_ACQUIRE_OS_LINUX;
1225 qed_mcp_get_mfw_ver(p_hwfn, p_ptt, &pfdev_info->mfw_ver, NULL);
1226
1227 pfdev_info->dev_type = p_hwfn->cdev->type;
1228 pfdev_info->chip_rev = p_hwfn->cdev->chip_rev;
1229
1230 resc->num_rxqs = vf->num_rxqs;
1231 resc->num_txqs = vf->num_txqs;
1232 resc->num_sbs = vf->num_sbs;
1233 for (i = 0; i < resc->num_sbs; i++) {
1234 resc->hw_sbs[i].hw_sb_id = vf->igu_sbs[i];
1235 resc->hw_sbs[i].sb_qid = 0;
1236 }
1237
1238 for (i = 0; i < resc->num_rxqs; i++) {
1239 qed_fw_l2_queue(p_hwfn, vf->vf_queues[i].fw_rx_qid,
1240 (u16 *)&resc->hw_qid[i]);
1241 resc->cid[i] = vf->vf_queues[i].fw_cid;
1242 }
1243
1244 resc->num_mac_filters = min_t(u8, vf->num_mac_filters,
1245 req->resc_request.num_mac_filters);
1246 resc->num_vlan_filters = min_t(u8, vf->num_vlan_filters,
1247 req->resc_request.num_vlan_filters);
1248
1249 /* This isn't really required as VF isn't limited, but some VFs might
1250 * actually test this value, so need to provide it.
1251 */
1252 resc->num_mc_filters = req->resc_request.num_mc_filters;
1253
1254 /* Fill agreed size of bulletin board in response */
1255 resp->bulletin_size = vf->bulletin.size;
36558c3d 1256 qed_iov_post_vf_bulletin(p_hwfn, vf->relative_vf_id, p_ptt);
1408cc1f
YM		 1257
1258 DP_VERBOSE(p_hwfn,
1259 QED_MSG_IOV,
1260 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1261 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1262 vf->abs_vf_id,
1263 resp->pfdev_info.chip_num,
1264 resp->pfdev_info.db_size,
1265 resp->pfdev_info.indices_per_sb,
1266 resp->pfdev_info.capabilities,
1267 resc->num_rxqs,
1268 resc->num_txqs,
1269 resc->num_sbs,
1270 resc->num_mac_filters,
1271 resc->num_vlan_filters);
1272 vf->state = VF_ACQUIRED;
1273
1274 /* Prepare Response */
1275out:
1276 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_ACQUIRE,
1277 sizeof(struct pfvf_acquire_resp_tlv), vfpf_status);
37bff2b9
YM		 1278}
1279
6ddc7608
YM		 1280static int __qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn,
1281 struct qed_vf_info *p_vf, bool val)
1282{
1283 struct qed_sp_vport_update_params params;
1284 int rc;
1285
1286 if (val == p_vf->spoof_chk) {
1287 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1288 "Spoofchk value[%d] is already configured\n", val);
1289 return 0;
1290 }
1291
1292 memset(&params, 0, sizeof(struct qed_sp_vport_update_params));
1293 params.opaque_fid = p_vf->opaque_fid;
1294 params.vport_id = p_vf->vport_id;
1295 params.update_anti_spoofing_en_flg = 1;
1296 params.anti_spoofing_en = val;
1297
1298 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
1299 if (rc) {
1300 p_vf->spoof_chk = val;
1301 p_vf->req_spoofchk_val = p_vf->spoof_chk;
1302 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1303 "Spoofchk val[%d] configured\n", val);
1304 } else {
1305 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1306 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1307 val, p_vf->relative_vf_id);
1308 }
1309
1310 return rc;
1311}
1312
08feecd7
YM		 1313static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn *p_hwfn,
1314 struct qed_vf_info *p_vf)
1315{
1316 struct qed_filter_ucast filter;
1317 int rc = 0;
1318 int i;
1319
1320 memset(&filter, 0, sizeof(filter));
1321 filter.is_rx_filter = 1;
1322 filter.is_tx_filter = 1;
1323 filter.vport_to_add_to = p_vf->vport_id;
1324 filter.opcode = QED_FILTER_ADD;
1325
1326 /* Reconfigure vlans */
1327 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
1328 if (!p_vf->shadow_config.vlans[i].used)
1329 continue;
1330
1331 filter.type = QED_FILTER_VLAN;
1332 filter.vlan = p_vf->shadow_config.vlans[i].vid;
1333 DP_VERBOSE(p_hwfn,
1334 QED_MSG_IOV,
1335 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1336 filter.vlan, p_vf->relative_vf_id);
1337 rc = qed_sp_eth_filter_ucast(p_hwfn,
1338 p_vf->opaque_fid,
1339 &filter,
1340 QED_SPQ_MODE_CB, NULL);
1341 if (rc) {
1342 DP_NOTICE(p_hwfn,
1343 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1344 filter.vlan, p_vf->relative_vf_id);
1345 break;
1346 }
1347 }
1348
1349 return rc;
1350}
1351
1352static int
1353qed_iov_reconfigure_unicast_shadow(struct qed_hwfn *p_hwfn,
1354 struct qed_vf_info *p_vf, u64 events)
1355{
1356 int rc = 0;
1357
1358 if ((events & (1 << VLAN_ADDR_FORCED)) &&
1359 !(p_vf->configured_features & (1 << VLAN_ADDR_FORCED)))
1360 rc = qed_iov_reconfigure_unicast_vlan(p_hwfn, p_vf);
1361
1362 return rc;
1363}
1364
1365static int qed_iov_configure_vport_forced(struct qed_hwfn *p_hwfn,
1366 struct qed_vf_info *p_vf, u64 events)
1367{
1368 int rc = 0;
1369 struct qed_filter_ucast filter;
1370
1371 if (!p_vf->vport_instance)
1372 return -EINVAL;
1373
eff16960
YM		 1374 if (events & (1 << MAC_ADDR_FORCED)) {
1375 /* Since there's no way [currently] of removing the MAC,
1376 * we can always assume this means we need to force it.
1377 */
1378 memset(&filter, 0, sizeof(filter));
1379 filter.type = QED_FILTER_MAC;
1380 filter.opcode = QED_FILTER_REPLACE;
1381 filter.is_rx_filter = 1;
1382 filter.is_tx_filter = 1;
1383 filter.vport_to_add_to = p_vf->vport_id;
1384 ether_addr_copy(filter.mac, p_vf->bulletin.p_virt->mac);
1385
1386 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1387 &filter, QED_SPQ_MODE_CB, NULL);
1388 if (rc) {
1389 DP_NOTICE(p_hwfn,
1390 "PF failed to configure MAC for VF\n");
1391 return rc;
1392 }
1393
1394 p_vf->configured_features |= 1 << MAC_ADDR_FORCED;
1395 }
1396
08feecd7
YM		 1397 if (events & (1 << VLAN_ADDR_FORCED)) {
1398 struct qed_sp_vport_update_params vport_update;
1399 u8 removal;
1400 int i;
1401
1402 memset(&filter, 0, sizeof(filter));
1403 filter.type = QED_FILTER_VLAN;
1404 filter.is_rx_filter = 1;
1405 filter.is_tx_filter = 1;
1406 filter.vport_to_add_to = p_vf->vport_id;
1407 filter.vlan = p_vf->bulletin.p_virt->pvid;
1408 filter.opcode = filter.vlan ? QED_FILTER_REPLACE :
1409 QED_FILTER_FLUSH;
1410
1411 /* Send the ramrod */
1412 rc = qed_sp_eth_filter_ucast(p_hwfn, p_vf->opaque_fid,
1413 &filter, QED_SPQ_MODE_CB, NULL);
1414 if (rc) {
1415 DP_NOTICE(p_hwfn,
1416 "PF failed to configure VLAN for VF\n");
1417 return rc;
1418 }
1419
1420 /* Update the default-vlan & silent vlan stripping */
1421 memset(&vport_update, 0, sizeof(vport_update));
1422 vport_update.opaque_fid = p_vf->opaque_fid;
1423 vport_update.vport_id = p_vf->vport_id;
1424 vport_update.update_default_vlan_enable_flg = 1;
1425 vport_update.default_vlan_enable_flg = filter.vlan ? 1 : 0;
1426 vport_update.update_default_vlan_flg = 1;
1427 vport_update.default_vlan = filter.vlan;
1428
1429 vport_update.update_inner_vlan_removal_flg = 1;
1430 removal = filter.vlan ? 1
1431 : p_vf->shadow_config.inner_vlan_removal;
1432 vport_update.inner_vlan_removal_flg = removal;
1433 vport_update.silent_vlan_removal_flg = filter.vlan ? 1 : 0;
1434 rc = qed_sp_vport_update(p_hwfn,
1435 &vport_update,
1436 QED_SPQ_MODE_EBLOCK, NULL);
1437 if (rc) {
1438 DP_NOTICE(p_hwfn,
1439 "PF failed to configure VF vport for vlan\n");
1440 return rc;
1441 }
1442
1443 /* Update all the Rx queues */
1444 for (i = 0; i < QED_MAX_VF_CHAINS_PER_PF; i++) {
1445 u16 qid;
1446
1447 if (!p_vf->vf_queues[i].rxq_active)
1448 continue;
1449
1450 qid = p_vf->vf_queues[i].fw_rx_qid;
1451
1452 rc = qed_sp_eth_rx_queues_update(p_hwfn, qid,
1453 1, 0, 1,
1454 QED_SPQ_MODE_EBLOCK,
1455 NULL);
1456 if (rc) {
1457 DP_NOTICE(p_hwfn,
1458 "Failed to send Rx update fo queue[0x%04x]\n",
1459 qid);
1460 return rc;
1461 }
1462 }
1463
1464 if (filter.vlan)
1465 p_vf->configured_features |= 1 << VLAN_ADDR_FORCED;
1466 else
1467 p_vf->configured_features &= ~(1 << VLAN_ADDR_FORCED);
1468 }
1469
1470 /* If forced features are terminated, we need to configure the shadow
1471 * configuration back again.
1472 */
1473 if (events)
1474 qed_iov_reconfigure_unicast_shadow(p_hwfn, p_vf, events);
1475
1476 return rc;
1477}
1478
dacd88d6
YM		 1479static void qed_iov_vf_mbx_start_vport(struct qed_hwfn *p_hwfn,
1480 struct qed_ptt *p_ptt,
1481 struct qed_vf_info *vf)
1482{
1483 struct qed_sp_vport_start_params params = { 0 };
1484 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1485 struct vfpf_vport_start_tlv *start;
1486 u8 status = PFVF_STATUS_SUCCESS;
1487 struct qed_vf_info *vf_info;
08feecd7 1488 u64 *p_bitmap;
dacd88d6
YM		 1489 int sb_id;
1490 int rc;
1491
1492 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vf->relative_vf_id, true);
1493 if (!vf_info) {
1494 DP_NOTICE(p_hwfn->cdev,
1495 "Failed to get VF info, invalid vfid [%d]\n",
1496 vf->relative_vf_id);
1497 return;
1498 }
1499
1500 vf->state = VF_ENABLED;
1501 start = &mbx->req_virt->start_vport;
1502
1503 /* Initialize Status block in CAU */
1504 for (sb_id = 0; sb_id < vf->num_sbs; sb_id++) {
1505 if (!start->sb_addr[sb_id]) {
1506 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1507 "VF[%d] did not fill the address of SB %d\n",
1508 vf->relative_vf_id, sb_id);
1509 break;
1510 }
1511
1512 qed_int_cau_conf_sb(p_hwfn, p_ptt,
1513 start->sb_addr[sb_id],
1514 vf->igu_sbs[sb_id],
1515 vf->abs_vf_id, 1);
1516 }
1517 qed_iov_enable_vf_traffic(p_hwfn, p_ptt, vf);
1518
1519 vf->mtu = start->mtu;
08feecd7
YM		 1520 vf->shadow_config.inner_vlan_removal = start->inner_vlan_removal;
1521
1522 /* Take into consideration configuration forced by hypervisor;
1523 * If none is configured, use the supplied VF values [for old
1524 * vfs that would still be fine, since they passed '0' as padding].
1525 */
1526 p_bitmap = &vf_info->bulletin.p_virt->valid_bitmap;
1527 if (!(*p_bitmap & (1 << VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED))) {
1528 u8 vf_req = start->only_untagged;
1529
1530 vf_info->bulletin.p_virt->default_only_untagged = vf_req;
1531 *p_bitmap |= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT;
1532 }
dacd88d6
YM		 1533
1534 params.tpa_mode = start->tpa_mode;
1535 params.remove_inner_vlan = start->inner_vlan_removal;
831bfb0e 1536 params.tx_switching = true;
dacd88d6 1537
08feecd7 1538 params.only_untagged = vf_info->bulletin.p_virt->default_only_untagged;
dacd88d6
YM		 1539 params.drop_ttl0 = false;
1540 params.concrete_fid = vf->concrete_fid;
1541 params.opaque_fid = vf->opaque_fid;
1542 params.vport_id = vf->vport_id;
1543 params.max_buffers_per_cqe = start->max_buffers_per_cqe;
1544 params.mtu = vf->mtu;
1545
1546 rc = qed_sp_eth_vport_start(p_hwfn, &params);
1547 if (rc != 0) {
1548 DP_ERR(p_hwfn,
1549 "qed_iov_vf_mbx_start_vport returned error %d\n", rc);
1550 status = PFVF_STATUS_FAILURE;
1551 } else {
1552 vf->vport_instance++;
08feecd7
YM		 1553
1554 /* Force configuration if needed on the newly opened vport */
1555 qed_iov_configure_vport_forced(p_hwfn, vf, *p_bitmap);
6ddc7608
YM		 1556
1557 __qed_iov_spoofchk_set(p_hwfn, vf, vf->req_spoofchk_val);
dacd88d6
YM		 1558 }
1559 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_START,
1560 sizeof(struct pfvf_def_resp_tlv), status);
1561}
1562
1563static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn *p_hwfn,
1564 struct qed_ptt *p_ptt,
1565 struct qed_vf_info *vf)
1566{
1567 u8 status = PFVF_STATUS_SUCCESS;
1568 int rc;
1569
1570 vf->vport_instance--;
6ddc7608 1571 vf->spoof_chk = false;
dacd88d6
YM		 1572
1573 rc = qed_sp_vport_stop(p_hwfn, vf->opaque_fid, vf->vport_id);
1574 if (rc != 0) {
1575 DP_ERR(p_hwfn, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1576 rc);
1577 status = PFVF_STATUS_FAILURE;
1578 }
1579
08feecd7
YM		 1580 /* Forget the configuration on the vport */
1581 vf->configured_features = 0;
1582 memset(&vf->shadow_config, 0, sizeof(vf->shadow_config));
1583
dacd88d6
YM		 1584 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_VPORT_TEARDOWN,
1585 sizeof(struct pfvf_def_resp_tlv), status);
1586}
1587
1588#define TSTORM_QZONE_START PXP_VF_BAR0_START_SDM_ZONE_A
1589#define MSTORM_QZONE_START(dev) (TSTORM_QZONE_START + \
1590 (TSTORM_QZONE_SIZE * NUM_OF_L2_QUEUES(dev)))
1591
1592static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn *p_hwfn,
1593 struct qed_ptt *p_ptt,
1594 struct qed_vf_info *vf, u8 status)
1595{
1596 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1597 struct pfvf_start_queue_resp_tlv *p_tlv;
1598 struct vfpf_start_rxq_tlv *req;
1599
1600 mbx->offset = (u8 *)mbx->reply_virt;
1601
1602 p_tlv = qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_START_RXQ,
1603 sizeof(*p_tlv));
1604 qed_add_tlv(p_hwfn, &mbx->offset, CHANNEL_TLV_LIST_END,
1605 sizeof(struct channel_list_end_tlv));
1606
1607 /* Update the TLV with the response */
1608 if (status == PFVF_STATUS_SUCCESS) {
1609 u16 hw_qid = 0;
1610
1611 req = &mbx->req_virt->start_rxq;
1612 qed_fw_l2_queue(p_hwfn, vf->vf_queues[req->rx_qid].fw_rx_qid,
1613 &hw_qid);
1614
1615 p_tlv->offset = MSTORM_QZONE_START(p_hwfn->cdev) +
1616 hw_qid * MSTORM_QZONE_SIZE +
1617 offsetof(struct mstorm_eth_queue_zone,
1618 rx_producers);
1619 }
1620
1621 qed_iov_send_response(p_hwfn, p_ptt, vf, sizeof(*p_tlv), status);
1622}
1623
1624static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn *p_hwfn,
1625 struct qed_ptt *p_ptt,
1626 struct qed_vf_info *vf)
1627{
1628 struct qed_queue_start_common_params params;
1629 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1630 u8 status = PFVF_STATUS_SUCCESS;
1631 struct vfpf_start_rxq_tlv *req;
1632 int rc;
1633
1634 memset(&params, 0, sizeof(params));
1635 req = &mbx->req_virt->start_rxq;
1636 params.queue_id = vf->vf_queues[req->rx_qid].fw_rx_qid;
1637 params.vport_id = vf->vport_id;
1638 params.sb = req->hw_sb;
1639 params.sb_idx = req->sb_index;
1640
1641 rc = qed_sp_eth_rxq_start_ramrod(p_hwfn, vf->opaque_fid,
1642 vf->vf_queues[req->rx_qid].fw_cid,
1643 &params,
1644 vf->abs_vf_id + 0x10,
1645 req->bd_max_bytes,
1646 req->rxq_addr,
1647 req->cqe_pbl_addr, req->cqe_pbl_size);
1648
1649 if (rc) {
1650 status = PFVF_STATUS_FAILURE;
1651 } else {
1652 vf->vf_queues[req->rx_qid].rxq_active = true;
1653 vf->num_active_rxqs++;
1654 }
1655
1656 qed_iov_vf_mbx_start_rxq_resp(p_hwfn, p_ptt, vf, status);
1657}
1658
1659static void qed_iov_vf_mbx_start_txq(struct qed_hwfn *p_hwfn,
1660 struct qed_ptt *p_ptt,
1661 struct qed_vf_info *vf)
1662{
1663 u16 length = sizeof(struct pfvf_def_resp_tlv);
1664 struct qed_queue_start_common_params params;
1665 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1666 union qed_qm_pq_params pq_params;
1667 u8 status = PFVF_STATUS_SUCCESS;
1668 struct vfpf_start_txq_tlv *req;
1669 int rc;
1670
1671 /* Prepare the parameters which would choose the right PQ */
1672 memset(&pq_params, 0, sizeof(pq_params));
1673 pq_params.eth.is_vf = 1;
1674 pq_params.eth.vf_id = vf->relative_vf_id;
1675
1676 memset(&params, 0, sizeof(params));
1677 req = &mbx->req_virt->start_txq;
1678 params.queue_id = vf->vf_queues[req->tx_qid].fw_tx_qid;
1679 params.vport_id = vf->vport_id;
1680 params.sb = req->hw_sb;
1681 params.sb_idx = req->sb_index;
1682
1683 rc = qed_sp_eth_txq_start_ramrod(p_hwfn,
1684 vf->opaque_fid,
1685 vf->vf_queues[req->tx_qid].fw_cid,
1686 &params,
1687 vf->abs_vf_id + 0x10,
1688 req->pbl_addr,
1689 req->pbl_size, &pq_params);
1690
1691 if (rc)
1692 status = PFVF_STATUS_FAILURE;
1693 else
1694 vf->vf_queues[req->tx_qid].txq_active = true;
1695
1696 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_START_TXQ,
1697 length, status);
1698}
1699
1700static int qed_iov_vf_stop_rxqs(struct qed_hwfn *p_hwfn,
1701 struct qed_vf_info *vf,
1702 u16 rxq_id, u8 num_rxqs, bool cqe_completion)
1703{
1704 int rc = 0;
1705 int qid;
1706
1707 if (rxq_id + num_rxqs > ARRAY_SIZE(vf->vf_queues))
1708 return -EINVAL;
1709
1710 for (qid = rxq_id; qid < rxq_id + num_rxqs; qid++) {
1711 if (vf->vf_queues[qid].rxq_active) {
1712 rc = qed_sp_eth_rx_queue_stop(p_hwfn,
1713 vf->vf_queues[qid].
1714 fw_rx_qid, false,
1715 cqe_completion);
1716
1717 if (rc)
1718 return rc;
1719 }
1720 vf->vf_queues[qid].rxq_active = false;
1721 vf->num_active_rxqs--;
1722 }
1723
1724 return rc;
1725}
1726
1727static int qed_iov_vf_stop_txqs(struct qed_hwfn *p_hwfn,
1728 struct qed_vf_info *vf, u16 txq_id, u8 num_txqs)
1729{
1730 int rc = 0;
1731 int qid;
1732
1733 if (txq_id + num_txqs > ARRAY_SIZE(vf->vf_queues))
1734 return -EINVAL;
1735
1736 for (qid = txq_id; qid < txq_id + num_txqs; qid++) {
1737 if (vf->vf_queues[qid].txq_active) {
1738 rc = qed_sp_eth_tx_queue_stop(p_hwfn,
1739 vf->vf_queues[qid].
1740 fw_tx_qid);
1741
1742 if (rc)
1743 return rc;
1744 }
1745 vf->vf_queues[qid].txq_active = false;
1746 }
1747 return rc;
1748}
1749
1750static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn *p_hwfn,
1751 struct qed_ptt *p_ptt,
1752 struct qed_vf_info *vf)
1753{
1754 u16 length = sizeof(struct pfvf_def_resp_tlv);
1755 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1756 u8 status = PFVF_STATUS_SUCCESS;
1757 struct vfpf_stop_rxqs_tlv *req;
1758 int rc;
1759
1760 /* We give the option of starting from qid != 0, in this case we
1761 * need to make sure that qid + num_qs doesn't exceed the actual
1762 * amount of queues that exist.
1763 */
1764 req = &mbx->req_virt->stop_rxqs;
1765 rc = qed_iov_vf_stop_rxqs(p_hwfn, vf, req->rx_qid,
1766 req->num_rxqs, req->cqe_completion);
1767 if (rc)
1768 status = PFVF_STATUS_FAILURE;
1769
1770 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_RXQS,
1771 length, status);
1772}
1773
1774static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn *p_hwfn,
1775 struct qed_ptt *p_ptt,
1776 struct qed_vf_info *vf)
1777{
1778 u16 length = sizeof(struct pfvf_def_resp_tlv);
1779 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1780 u8 status = PFVF_STATUS_SUCCESS;
1781 struct vfpf_stop_txqs_tlv *req;
1782 int rc;
1783
1784 /* We give the option of starting from qid != 0, in this case we
1785 * need to make sure that qid + num_qs doesn't exceed the actual
1786 * amount of queues that exist.
1787 */
1788 req = &mbx->req_virt->stop_txqs;
1789 rc = qed_iov_vf_stop_txqs(p_hwfn, vf, req->tx_qid, req->num_txqs);
1790 if (rc)
1791 status = PFVF_STATUS_FAILURE;
1792
1793 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_STOP_TXQS,
1794 length, status);
1795}
1796
17b235c1
YM		 1797static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn *p_hwfn,
1798 struct qed_ptt *p_ptt,
1799 struct qed_vf_info *vf)
1800{
1801 u16 length = sizeof(struct pfvf_def_resp_tlv);
1802 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
1803 struct vfpf_update_rxq_tlv *req;
1804 u8 status = PFVF_STATUS_SUCCESS;
1805 u8 complete_event_flg;
1806 u8 complete_cqe_flg;
1807 u16 qid;
1808 int rc;
1809 u8 i;
1810
1811 req = &mbx->req_virt->update_rxq;
1812 complete_cqe_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_CQE_FLAG);
1813 complete_event_flg = !!(req->flags & VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG);
1814
1815 for (i = 0; i < req->num_rxqs; i++) {
1816 qid = req->rx_qid + i;
1817
1818 if (!vf->vf_queues[qid].rxq_active) {
1819 DP_NOTICE(p_hwfn, "VF rx_qid = %d isn`t active!\n",
1820 qid);
1821 status = PFVF_STATUS_FAILURE;
1822 break;
1823 }
1824
1825 rc = qed_sp_eth_rx_queues_update(p_hwfn,
1826 vf->vf_queues[qid].fw_rx_qid,
1827 1,
1828 complete_cqe_flg,
1829 complete_event_flg,
1830 QED_SPQ_MODE_EBLOCK, NULL);
1831
1832 if (rc) {
1833 status = PFVF_STATUS_FAILURE;
1834 break;
1835 }
1836 }
1837
1838 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UPDATE_RXQ,
1839 length, status);
1840}
1841
dacd88d6
YM		 1842void *qed_iov_search_list_tlvs(struct qed_hwfn *p_hwfn,
1843 void *p_tlvs_list, u16 req_type)
1844{
1845 struct channel_tlv *p_tlv = (struct channel_tlv *)p_tlvs_list;
1846 int len = 0;
1847
1848 do {
1849 if (!p_tlv->length) {
1850 DP_NOTICE(p_hwfn, "Zero length TLV found\n");
1851 return NULL;
1852 }
1853
1854 if (p_tlv->type == req_type) {
1855 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
1856 "Extended tlv type %d, length %d found\n",
1857 p_tlv->type, p_tlv->length);
1858 return p_tlv;
1859 }
1860
1861 len += p_tlv->length;
1862 p_tlv = (struct channel_tlv *)((u8 *)p_tlv + p_tlv->length);
1863
1864 if ((len + p_tlv->length) > TLV_BUFFER_SIZE) {
1865 DP_NOTICE(p_hwfn, "TLVs has overrun the buffer size\n");
1866 return NULL;
1867 }
1868 } while (p_tlv->type != CHANNEL_TLV_LIST_END);
1869
1870 return NULL;
1871}
1872
1873static void
1874qed_iov_vp_update_act_param(struct qed_hwfn *p_hwfn,
1875 struct qed_sp_vport_update_params *p_data,
1876 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1877{
1878 struct vfpf_vport_update_activate_tlv *p_act_tlv;
1879 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACTIVATE;
1880
1881 p_act_tlv = (struct vfpf_vport_update_activate_tlv *)
1882 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1883 if (!p_act_tlv)
1884 return;
1885
1886 p_data->update_vport_active_rx_flg = p_act_tlv->update_rx;
1887 p_data->vport_active_rx_flg = p_act_tlv->active_rx;
1888 p_data->update_vport_active_tx_flg = p_act_tlv->update_tx;
1889 p_data->vport_active_tx_flg = p_act_tlv->active_tx;
1890 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACTIVATE;
1891}
1892
17b235c1
YM		 1893static void
1894qed_iov_vp_update_vlan_param(struct qed_hwfn *p_hwfn,
1895 struct qed_sp_vport_update_params *p_data,
1896 struct qed_vf_info *p_vf,
1897 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1898{
1899 struct vfpf_vport_update_vlan_strip_tlv *p_vlan_tlv;
1900 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP;
1901
1902 p_vlan_tlv = (struct vfpf_vport_update_vlan_strip_tlv *)
1903 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1904 if (!p_vlan_tlv)
1905 return;
1906
08feecd7
YM		 1907 p_vf->shadow_config.inner_vlan_removal = p_vlan_tlv->remove_vlan;
1908
1909 /* Ignore the VF request if we're forcing a vlan */
1910 if (!(p_vf->configured_features & (1 << VLAN_ADDR_FORCED))) {
1911 p_data->update_inner_vlan_removal_flg = 1;
1912 p_data->inner_vlan_removal_flg = p_vlan_tlv->remove_vlan;
1913 }
17b235c1
YM		 1914
1915 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP;
1916}
1917
1918static void
1919qed_iov_vp_update_tx_switch(struct qed_hwfn *p_hwfn,
1920 struct qed_sp_vport_update_params *p_data,
1921 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1922{
1923 struct vfpf_vport_update_tx_switch_tlv *p_tx_switch_tlv;
1924 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH;
1925
1926 p_tx_switch_tlv = (struct vfpf_vport_update_tx_switch_tlv *)
1927 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1928 tlv);
1929 if (!p_tx_switch_tlv)
1930 return;
1931
1932 p_data->update_tx_switching_flg = 1;
1933 p_data->tx_switching_flg = p_tx_switch_tlv->tx_switching;
1934 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_TX_SWITCH;
1935}
1936
dacd88d6
YM		 1937static void
1938qed_iov_vp_update_mcast_bin_param(struct qed_hwfn *p_hwfn,
1939 struct qed_sp_vport_update_params *p_data,
1940 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1941{
1942 struct vfpf_vport_update_mcast_bin_tlv *p_mcast_tlv;
1943 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_MCAST;
1944
1945 p_mcast_tlv = (struct vfpf_vport_update_mcast_bin_tlv *)
1946 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1947 if (!p_mcast_tlv)
1948 return;
1949
1950 p_data->update_approx_mcast_flg = 1;
1951 memcpy(p_data->bins, p_mcast_tlv->bins,
1952 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS);
1953 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_MCAST;
1954}
1955
1956static void
1957qed_iov_vp_update_accept_flag(struct qed_hwfn *p_hwfn,
1958 struct qed_sp_vport_update_params *p_data,
1959 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1960{
1961 struct qed_filter_accept_flags *p_flags = &p_data->accept_flags;
1962 struct vfpf_vport_update_accept_param_tlv *p_accept_tlv;
1963 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM;
1964
1965 p_accept_tlv = (struct vfpf_vport_update_accept_param_tlv *)
1966 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
1967 if (!p_accept_tlv)
1968 return;
1969
1970 p_flags->update_rx_mode_config = p_accept_tlv->update_rx_mode;
1971 p_flags->rx_accept_filter = p_accept_tlv->rx_accept_filter;
1972 p_flags->update_tx_mode_config = p_accept_tlv->update_tx_mode;
1973 p_flags->tx_accept_filter = p_accept_tlv->tx_accept_filter;
1974 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM;
1975}
1976
17b235c1
YM		 1977static void
1978qed_iov_vp_update_accept_any_vlan(struct qed_hwfn *p_hwfn,
1979 struct qed_sp_vport_update_params *p_data,
1980 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
1981{
1982 struct vfpf_vport_update_accept_any_vlan_tlv *p_accept_any_vlan;
1983 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN;
1984
1985 p_accept_any_vlan = (struct vfpf_vport_update_accept_any_vlan_tlv *)
1986 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt,
1987 tlv);
1988 if (!p_accept_any_vlan)
1989 return;
1990
1991 p_data->accept_any_vlan = p_accept_any_vlan->accept_any_vlan;
1992 p_data->update_accept_any_vlan_flg =
1993 p_accept_any_vlan->update_accept_any_vlan_flg;
1994 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN;
1995}
1996
dacd88d6
YM		 1997static void
1998qed_iov_vp_update_rss_param(struct qed_hwfn *p_hwfn,
1999 struct qed_vf_info *vf,
2000 struct qed_sp_vport_update_params *p_data,
2001 struct qed_rss_params *p_rss,
2002 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2003{
2004 struct vfpf_vport_update_rss_tlv *p_rss_tlv;
2005 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_RSS;
2006 u16 i, q_idx, max_q_idx;
2007 u16 table_size;
2008
2009 p_rss_tlv = (struct vfpf_vport_update_rss_tlv *)
2010 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2011 if (!p_rss_tlv) {
2012 p_data->rss_params = NULL;
2013 return;
2014 }
2015
2016 memset(p_rss, 0, sizeof(struct qed_rss_params));
2017
2018 p_rss->update_rss_config = !!(p_rss_tlv->update_rss_flags &
2019 VFPF_UPDATE_RSS_CONFIG_FLAG);
2020 p_rss->update_rss_capabilities = !!(p_rss_tlv->update_rss_flags &
2021 VFPF_UPDATE_RSS_CAPS_FLAG);
2022 p_rss->update_rss_ind_table = !!(p_rss_tlv->update_rss_flags &
2023 VFPF_UPDATE_RSS_IND_TABLE_FLAG);
2024 p_rss->update_rss_key = !!(p_rss_tlv->update_rss_flags &
2025 VFPF_UPDATE_RSS_KEY_FLAG);
2026
2027 p_rss->rss_enable = p_rss_tlv->rss_enable;
2028 p_rss->rss_eng_id = vf->relative_vf_id + 1;
2029 p_rss->rss_caps = p_rss_tlv->rss_caps;
2030 p_rss->rss_table_size_log = p_rss_tlv->rss_table_size_log;
2031 memcpy(p_rss->rss_ind_table, p_rss_tlv->rss_ind_table,
2032 sizeof(p_rss->rss_ind_table));
2033 memcpy(p_rss->rss_key, p_rss_tlv->rss_key, sizeof(p_rss->rss_key));
2034
2035 table_size = min_t(u16, ARRAY_SIZE(p_rss->rss_ind_table),
2036 (1 << p_rss_tlv->rss_table_size_log));
2037
2038 max_q_idx = ARRAY_SIZE(vf->vf_queues);
2039
2040 for (i = 0; i < table_size; i++) {
2041 u16 index = vf->vf_queues[0].fw_rx_qid;
2042
2043 q_idx = p_rss->rss_ind_table[i];
2044 if (q_idx >= max_q_idx)
2045 DP_NOTICE(p_hwfn,
2046 "rss_ind_table[%d] = %d, rxq is out of range\n",
2047 i, q_idx);
2048 else if (!vf->vf_queues[q_idx].rxq_active)
2049 DP_NOTICE(p_hwfn,
2050 "rss_ind_table[%d] = %d, rxq is not active\n",
2051 i, q_idx);
2052 else
2053 index = vf->vf_queues[q_idx].fw_rx_qid;
2054 p_rss->rss_ind_table[i] = index;
2055 }
2056
2057 p_data->rss_params = p_rss;
2058 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_RSS;
2059}
2060
17b235c1
YM		 2061static void
2062qed_iov_vp_update_sge_tpa_param(struct qed_hwfn *p_hwfn,
2063 struct qed_vf_info *vf,
2064 struct qed_sp_vport_update_params *p_data,
2065 struct qed_sge_tpa_params *p_sge_tpa,
2066 struct qed_iov_vf_mbx *p_mbx, u16 *tlvs_mask)
2067{
2068 struct vfpf_vport_update_sge_tpa_tlv *p_sge_tpa_tlv;
2069 u16 tlv = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA;
2070
2071 p_sge_tpa_tlv = (struct vfpf_vport_update_sge_tpa_tlv *)
2072 qed_iov_search_list_tlvs(p_hwfn, p_mbx->req_virt, tlv);
2073
2074 if (!p_sge_tpa_tlv) {
2075 p_data->sge_tpa_params = NULL;
2076 return;
2077 }
2078
2079 memset(p_sge_tpa, 0, sizeof(struct qed_sge_tpa_params));
2080
2081 p_sge_tpa->update_tpa_en_flg =
2082 !!(p_sge_tpa_tlv->update_sge_tpa_flags & VFPF_UPDATE_TPA_EN_FLAG);
2083 p_sge_tpa->update_tpa_param_flg =
2084 !!(p_sge_tpa_tlv->update_sge_tpa_flags &
2085 VFPF_UPDATE_TPA_PARAM_FLAG);
2086
2087 p_sge_tpa->tpa_ipv4_en_flg =
2088 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV4_EN_FLAG);
2089 p_sge_tpa->tpa_ipv6_en_flg =
2090 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_IPV6_EN_FLAG);
2091 p_sge_tpa->tpa_pkt_split_flg =
2092 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_PKT_SPLIT_FLAG);
2093 p_sge_tpa->tpa_hdr_data_split_flg =
2094 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_HDR_DATA_SPLIT_FLAG);
2095 p_sge_tpa->tpa_gro_consistent_flg =
2096 !!(p_sge_tpa_tlv->sge_tpa_flags & VFPF_TPA_GRO_CONSIST_FLAG);
2097
2098 p_sge_tpa->tpa_max_aggs_num = p_sge_tpa_tlv->tpa_max_aggs_num;
2099 p_sge_tpa->tpa_max_size = p_sge_tpa_tlv->tpa_max_size;
2100 p_sge_tpa->tpa_min_size_to_start = p_sge_tpa_tlv->tpa_min_size_to_start;
2101 p_sge_tpa->tpa_min_size_to_cont = p_sge_tpa_tlv->tpa_min_size_to_cont;
2102 p_sge_tpa->max_buffers_per_cqe = p_sge_tpa_tlv->max_buffers_per_cqe;
2103
2104 p_data->sge_tpa_params = p_sge_tpa;
2105
2106 *tlvs_mask |= 1 << QED_IOV_VP_UPDATE_SGE_TPA;
2107}
2108
dacd88d6
YM		 2109static void qed_iov_vf_mbx_vport_update(struct qed_hwfn *p_hwfn,
2110 struct qed_ptt *p_ptt,
2111 struct qed_vf_info *vf)
2112{
2113 struct qed_sp_vport_update_params params;
2114 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
17b235c1 2115 struct qed_sge_tpa_params sge_tpa_params;
dacd88d6
YM		 2116 struct qed_rss_params rss_params;
2117 u8 status = PFVF_STATUS_SUCCESS;
2118 u16 tlvs_mask = 0;
2119 u16 length;
2120 int rc;
2121
2122 memset(&params, 0, sizeof(params));
2123 params.opaque_fid = vf->opaque_fid;
2124 params.vport_id = vf->vport_id;
2125 params.rss_params = NULL;
2126
2127 /* Search for extended tlvs list and update values
2128 * from VF in struct qed_sp_vport_update_params.
2129 */
2130 qed_iov_vp_update_act_param(p_hwfn, &params, mbx, &tlvs_mask);
17b235c1
YM		 2131 qed_iov_vp_update_vlan_param(p_hwfn, &params, vf, mbx, &tlvs_mask);
2132 qed_iov_vp_update_tx_switch(p_hwfn, &params, mbx, &tlvs_mask);
dacd88d6
YM		 2133 qed_iov_vp_update_mcast_bin_param(p_hwfn, &params, mbx, &tlvs_mask);
2134 qed_iov_vp_update_accept_flag(p_hwfn, &params, mbx, &tlvs_mask);
2135 qed_iov_vp_update_rss_param(p_hwfn, vf, &params, &rss_params,
2136 mbx, &tlvs_mask);
17b235c1
YM		 2137 qed_iov_vp_update_accept_any_vlan(p_hwfn, &params, mbx, &tlvs_mask);
2138 qed_iov_vp_update_sge_tpa_param(p_hwfn, vf, &params,
2139 &sge_tpa_params, mbx, &tlvs_mask);
dacd88d6
YM		 2140
2141 /* Just log a message if there is no single extended tlv in buffer.
2142 * When all features of vport update ramrod would be requested by VF
2143 * as extended TLVs in buffer then an error can be returned in response
2144 * if there is no extended TLV present in buffer.
2145 */
2146 if (!tlvs_mask) {
2147 DP_NOTICE(p_hwfn,
2148 "No feature tlvs found for vport update\n");
2149 status = PFVF_STATUS_NOT_SUPPORTED;
2150 goto out;
2151 }
2152
2153 rc = qed_sp_vport_update(p_hwfn, &params, QED_SPQ_MODE_EBLOCK, NULL);
2154
2155 if (rc)
2156 status = PFVF_STATUS_FAILURE;
2157
2158out:
2159 length = qed_iov_prep_vp_update_resp_tlvs(p_hwfn, vf, mbx, status,
2160 tlvs_mask, tlvs_mask);
2161 qed_iov_send_response(p_hwfn, p_ptt, vf, length, status);
2162}
2163
08feecd7
YM		 2164static int qed_iov_vf_update_unicast_shadow(struct qed_hwfn *p_hwfn,
2165 struct qed_vf_info *p_vf,
2166 struct qed_filter_ucast *p_params)
2167{
2168 int i;
2169
2170 if (p_params->type == QED_FILTER_MAC)
2171 return 0;
2172
2173 /* First remove entries and then add new ones */
2174 if (p_params->opcode == QED_FILTER_REMOVE) {
2175 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2176 if (p_vf->shadow_config.vlans[i].used &&
2177 p_vf->shadow_config.vlans[i].vid ==
2178 p_params->vlan) {
2179 p_vf->shadow_config.vlans[i].used = false;
2180 break;
2181 }
2182 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2183 DP_VERBOSE(p_hwfn,
2184 QED_MSG_IOV,
2185 "VF [%d] - Tries to remove a non-existing vlan\n",
2186 p_vf->relative_vf_id);
2187 return -EINVAL;
2188 }
2189 } else if (p_params->opcode == QED_FILTER_REPLACE ||
2190 p_params->opcode == QED_FILTER_FLUSH) {
2191 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++)
2192 p_vf->shadow_config.vlans[i].used = false;
2193 }
2194
2195 /* In forced mode, we're willing to remove entries - but we don't add
2196 * new ones.
2197 */
2198 if (p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED))
2199 return 0;
2200
2201 if (p_params->opcode == QED_FILTER_ADD ||
2202 p_params->opcode == QED_FILTER_REPLACE) {
2203 for (i = 0; i < QED_ETH_VF_NUM_VLAN_FILTERS + 1; i++) {
2204 if (p_vf->shadow_config.vlans[i].used)
2205 continue;
2206
2207 p_vf->shadow_config.vlans[i].used = true;
2208 p_vf->shadow_config.vlans[i].vid = p_params->vlan;
2209 break;
2210 }
2211
2212 if (i == QED_ETH_VF_NUM_VLAN_FILTERS + 1) {
2213 DP_VERBOSE(p_hwfn,
2214 QED_MSG_IOV,
2215 "VF [%d] - Tries to configure more than %d vlan filters\n",
2216 p_vf->relative_vf_id,
2217 QED_ETH_VF_NUM_VLAN_FILTERS + 1);
2218 return -EINVAL;
2219 }
2220 }
2221
2222 return 0;
2223}
2224
dacd88d6
YM		 2225int qed_iov_chk_ucast(struct qed_hwfn *hwfn,
2226 int vfid, struct qed_filter_ucast *params)
2227{
2228 struct qed_public_vf_info *vf;
2229
2230 vf = qed_iov_get_public_vf_info(hwfn, vfid, true);
2231 if (!vf)
2232 return -EINVAL;
2233
2234 /* No real decision to make; Store the configured MAC */
2235 if (params->type == QED_FILTER_MAC ||
2236 params->type == QED_FILTER_MAC_VLAN)
2237 ether_addr_copy(vf->mac, params->mac);
2238
2239 return 0;
2240}
2241
2242static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn *p_hwfn,
2243 struct qed_ptt *p_ptt,
2244 struct qed_vf_info *vf)
2245{
08feecd7 2246 struct qed_bulletin_content *p_bulletin = vf->bulletin.p_virt;
dacd88d6
YM		 2247 struct qed_iov_vf_mbx *mbx = &vf->vf_mbx;
2248 struct vfpf_ucast_filter_tlv *req;
2249 u8 status = PFVF_STATUS_SUCCESS;
2250 struct qed_filter_ucast params;
2251 int rc;
2252
2253 /* Prepare the unicast filter params */
2254 memset(&params, 0, sizeof(struct qed_filter_ucast));
2255 req = &mbx->req_virt->ucast_filter;
2256 params.opcode = (enum qed_filter_opcode)req->opcode;
2257 params.type = (enum qed_filter_ucast_type)req->type;
2258
2259 params.is_rx_filter = 1;
2260 params.is_tx_filter = 1;
2261 params.vport_to_remove_from = vf->vport_id;
2262 params.vport_to_add_to = vf->vport_id;
2263 memcpy(params.mac, req->mac, ETH_ALEN);
2264 params.vlan = req->vlan;
2265
2266 DP_VERBOSE(p_hwfn,
2267 QED_MSG_IOV,
2268 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2269 vf->abs_vf_id, params.opcode, params.type,
2270 params.is_rx_filter ? "RX" : "",
2271 params.is_tx_filter ? "TX" : "",
2272 params.vport_to_add_to,
2273 params.mac[0], params.mac[1],
2274 params.mac[2], params.mac[3],
2275 params.mac[4], params.mac[5], params.vlan);
2276
2277 if (!vf->vport_instance) {
2278 DP_VERBOSE(p_hwfn,
2279 QED_MSG_IOV,
2280 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2281 vf->abs_vf_id);
2282 status = PFVF_STATUS_FAILURE;
2283 goto out;
2284 }
2285
08feecd7
YM		 2286 /* Update shadow copy of the VF configuration */
2287 if (qed_iov_vf_update_unicast_shadow(p_hwfn, vf, &params)) {
2288 status = PFVF_STATUS_FAILURE;
2289 goto out;
2290 }
2291
2292 /* Determine if the unicast filtering is acceptible by PF */
2293 if ((p_bulletin->valid_bitmap & (1 << VLAN_ADDR_FORCED)) &&
2294 (params.type == QED_FILTER_VLAN ||
2295 params.type == QED_FILTER_MAC_VLAN)) {
2296 /* Once VLAN is forced or PVID is set, do not allow
2297 * to add/replace any further VLANs.
2298 */
2299 if (params.opcode == QED_FILTER_ADD ||
2300 params.opcode == QED_FILTER_REPLACE)
2301 status = PFVF_STATUS_FORCED;
2302 goto out;
2303 }
2304
eff16960
YM		 2305 if ((p_bulletin->valid_bitmap & (1 << MAC_ADDR_FORCED)) &&
2306 (params.type == QED_FILTER_MAC ||
2307 params.type == QED_FILTER_MAC_VLAN)) {
2308 if (!ether_addr_equal(p_bulletin->mac, params.mac) ||
2309 (params.opcode != QED_FILTER_ADD &&
2310 params.opcode != QED_FILTER_REPLACE))
2311 status = PFVF_STATUS_FORCED;
2312 goto out;
2313 }
2314
dacd88d6
YM		 2315 rc = qed_iov_chk_ucast(p_hwfn, vf->relative_vf_id, &params);
2316 if (rc) {
2317 status = PFVF_STATUS_FAILURE;
2318 goto out;
2319 }
2320
2321 rc = qed_sp_eth_filter_ucast(p_hwfn, vf->opaque_fid, &params,
2322 QED_SPQ_MODE_CB, NULL);
2323 if (rc)
2324 status = PFVF_STATUS_FAILURE;
2325
2326out:
2327 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_UCAST_FILTER,
2328 sizeof(struct pfvf_def_resp_tlv), status);
2329}
2330
0b55e27d
YM		 2331static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn *p_hwfn,
2332 struct qed_ptt *p_ptt,
2333 struct qed_vf_info *vf)
2334{
2335 int i;
2336
2337 /* Reset the SBs */
2338 for (i = 0; i < vf->num_sbs; i++)
2339 qed_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
2340 vf->igu_sbs[i],
2341 vf->opaque_fid, false);
2342
2343 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_INT_CLEANUP,
2344 sizeof(struct pfvf_def_resp_tlv),
2345 PFVF_STATUS_SUCCESS);
2346}
2347
2348static void qed_iov_vf_mbx_close(struct qed_hwfn *p_hwfn,
2349 struct qed_ptt *p_ptt, struct qed_vf_info *vf)
2350{
2351 u16 length = sizeof(struct pfvf_def_resp_tlv);
2352 u8 status = PFVF_STATUS_SUCCESS;
2353
2354 /* Disable Interrupts for VF */
2355 qed_iov_vf_igu_set_int(p_hwfn, p_ptt, vf, 0);
2356
2357 /* Reset Permission table */
2358 qed_iov_config_perm_table(p_hwfn, p_ptt, vf, 0);
2359
2360 qed_iov_prepare_resp(p_hwfn, p_ptt, vf, CHANNEL_TLV_CLOSE,
2361 length, status);
2362}
2363
2364static void qed_iov_vf_mbx_release(struct qed_hwfn *p_hwfn,
2365 struct qed_ptt *p_ptt,
2366 struct qed_vf_info *p_vf)
2367{
2368 u16 length = sizeof(struct pfvf_def_resp_tlv);
2369
2370 qed_iov_vf_cleanup(p_hwfn, p_vf);
2371
2372 qed_iov_prepare_resp(p_hwfn, p_ptt, p_vf, CHANNEL_TLV_RELEASE,
2373 length, PFVF_STATUS_SUCCESS);
2374}
2375
2376static int
2377qed_iov_vf_flr_poll_dorq(struct qed_hwfn *p_hwfn,
2378 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2379{
2380 int cnt;
2381 u32 val;
2382
2383 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_vf->concrete_fid);
2384
2385 for (cnt = 0; cnt < 50; cnt++) {
2386 val = qed_rd(p_hwfn, p_ptt, DORQ_REG_VF_USAGE_CNT);
2387 if (!val)
2388 break;
2389 msleep(20);
2390 }
2391 qed_fid_pretend(p_hwfn, p_ptt, (u16) p_hwfn->hw_info.concrete_fid);
2392
2393 if (cnt == 50) {
2394 DP_ERR(p_hwfn,
2395 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2396 p_vf->abs_vf_id, val);
2397 return -EBUSY;
2398 }
2399
2400 return 0;
2401}
2402
2403static int
2404qed_iov_vf_flr_poll_pbf(struct qed_hwfn *p_hwfn,
2405 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2406{
2407 u32 cons[MAX_NUM_VOQS], distance[MAX_NUM_VOQS];
2408 int i, cnt;
2409
2410 /* Read initial consumers & producers */
2411 for (i = 0; i < MAX_NUM_VOQS; i++) {
2412 u32 prod;
2413
2414 cons[i] = qed_rd(p_hwfn, p_ptt,
2415 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2416 i * 0x40);
2417 prod = qed_rd(p_hwfn, p_ptt,
2418 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0 +
2419 i * 0x40);
2420 distance[i] = prod - cons[i];
2421 }
2422
2423 /* Wait for consumers to pass the producers */
2424 i = 0;
2425 for (cnt = 0; cnt < 50; cnt++) {
2426 for (; i < MAX_NUM_VOQS; i++) {
2427 u32 tmp;
2428
2429 tmp = qed_rd(p_hwfn, p_ptt,
2430 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0 +
2431 i * 0x40);
2432 if (distance[i] > tmp - cons[i])
2433 break;
2434 }
2435
2436 if (i == MAX_NUM_VOQS)
2437 break;
2438
2439 msleep(20);
2440 }
2441
2442 if (cnt == 50) {
2443 DP_ERR(p_hwfn, "VF[%d] - pbf polling failed on VOQ %d\n",
2444 p_vf->abs_vf_id, i);
2445 return -EBUSY;
2446 }
2447
2448 return 0;
2449}
2450
2451static int qed_iov_vf_flr_poll(struct qed_hwfn *p_hwfn,
2452 struct qed_vf_info *p_vf, struct qed_ptt *p_ptt)
2453{
2454 int rc;
2455
2456 rc = qed_iov_vf_flr_poll_dorq(p_hwfn, p_vf, p_ptt);
2457 if (rc)
2458 return rc;
2459
2460 rc = qed_iov_vf_flr_poll_pbf(p_hwfn, p_vf, p_ptt);
2461 if (rc)
2462 return rc;
2463
2464 return 0;
2465}
2466
2467static int
2468qed_iov_execute_vf_flr_cleanup(struct qed_hwfn *p_hwfn,
2469 struct qed_ptt *p_ptt,
2470 u16 rel_vf_id, u32 *ack_vfs)
2471{
2472 struct qed_vf_info *p_vf;
2473 int rc = 0;
2474
2475 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, false);
2476 if (!p_vf)
2477 return 0;
2478
2479 if (p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &
2480 (1ULL << (rel_vf_id % 64))) {
2481 u16 vfid = p_vf->abs_vf_id;
2482
2483 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2484 "VF[%d] - Handling FLR\n", vfid);
2485
2486 qed_iov_vf_cleanup(p_hwfn, p_vf);
2487
2488 /* If VF isn't active, no need for anything but SW */
2489 if (!p_vf->b_init)
2490 goto cleanup;
2491
2492 rc = qed_iov_vf_flr_poll(p_hwfn, p_vf, p_ptt);
2493 if (rc)
2494 goto cleanup;
2495
2496 rc = qed_final_cleanup(p_hwfn, p_ptt, vfid, true);
2497 if (rc) {
2498 DP_ERR(p_hwfn, "Failed handle FLR of VF[%d]\n", vfid);
2499 return rc;
2500 }
2501
2502 /* VF_STOPPED has to be set only after final cleanup
2503 * but prior to re-enabling the VF.
2504 */
2505 p_vf->state = VF_STOPPED;
2506
2507 rc = qed_iov_enable_vf_access(p_hwfn, p_ptt, p_vf);
2508 if (rc) {
2509 DP_ERR(p_hwfn, "Failed to re-enable VF[%d] acces\n",
2510 vfid);
2511 return rc;
2512 }
2513cleanup:
2514 /* Mark VF for ack and clean pending state */
2515 if (p_vf->state == VF_RESET)
2516 p_vf->state = VF_STOPPED;
2517 ack_vfs[vfid / 32] |= (1 << (vfid % 32));
2518 p_hwfn->pf_iov_info->pending_flr[rel_vf_id / 64] &=
2519 ~(1ULL << (rel_vf_id % 64));
2520 p_hwfn->pf_iov_info->pending_events[rel_vf_id / 64] &=
2521 ~(1ULL << (rel_vf_id % 64));
2522 }
2523
2524 return rc;
2525}
2526
2527int qed_iov_vf_flr_cleanup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
2528{
2529 u32 ack_vfs[VF_MAX_STATIC / 32];
2530 int rc = 0;
2531 u16 i;
2532
2533 memset(ack_vfs, 0, sizeof(u32) * (VF_MAX_STATIC / 32));
2534
2535 /* Since BRB <-> PRS interface can't be tested as part of the flr
2536 * polling due to HW limitations, simply sleep a bit. And since
2537 * there's no need to wait per-vf, do it before looping.
2538 */
2539 msleep(100);
2540
2541 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++)
2542 qed_iov_execute_vf_flr_cleanup(p_hwfn, p_ptt, i, ack_vfs);
2543
2544 rc = qed_mcp_ack_vf_flr(p_hwfn, p_ptt, ack_vfs);
2545 return rc;
2546}
2547
2548int qed_iov_mark_vf_flr(struct qed_hwfn *p_hwfn, u32 *p_disabled_vfs)
2549{
2550 u16 i, found = 0;
2551
2552 DP_VERBOSE(p_hwfn, QED_MSG_IOV, "Marking FLR-ed VFs\n");
2553 for (i = 0; i < (VF_MAX_STATIC / 32); i++)
2554 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2555 "[%08x,...,%08x]: %08x\n",
2556 i * 32, (i + 1) * 32 - 1, p_disabled_vfs[i]);
2557
2558 if (!p_hwfn->cdev->p_iov_info) {
2559 DP_NOTICE(p_hwfn, "VF flr but no IOV\n");
2560 return 0;
2561 }
2562
2563 /* Mark VFs */
2564 for (i = 0; i < p_hwfn->cdev->p_iov_info->total_vfs; i++) {
2565 struct qed_vf_info *p_vf;
2566 u8 vfid;
2567
2568 p_vf = qed_iov_get_vf_info(p_hwfn, i, false);
2569 if (!p_vf)
2570 continue;
2571
2572 vfid = p_vf->abs_vf_id;
2573 if ((1 << (vfid % 32)) & p_disabled_vfs[vfid / 32]) {
2574 u64 *p_flr = p_hwfn->pf_iov_info->pending_flr;
2575 u16 rel_vf_id = p_vf->relative_vf_id;
2576
2577 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2578 "VF[%d] [rel %d] got FLR-ed\n",
2579 vfid, rel_vf_id);
2580
2581 p_vf->state = VF_RESET;
2582
2583 /* No need to lock here, since pending_flr should
2584 * only change here and before ACKing MFw. Since
2585 * MFW will not trigger an additional attention for
2586 * VF flr until ACKs, we're safe.
2587 */
2588 p_flr[rel_vf_id / 64] |= 1ULL << (rel_vf_id % 64);
2589 found = 1;
2590 }
2591 }
2592
2593 return found;
2594}
2595
73390ac9
YM		 2596static void qed_iov_get_link(struct qed_hwfn *p_hwfn,
2597 u16 vfid,
2598 struct qed_mcp_link_params *p_params,
2599 struct qed_mcp_link_state *p_link,
2600 struct qed_mcp_link_capabilities *p_caps)
2601{
2602 struct qed_vf_info *p_vf = qed_iov_get_vf_info(p_hwfn,
2603 vfid,
2604 false);
2605 struct qed_bulletin_content *p_bulletin;
2606
2607 if (!p_vf)
2608 return;
2609
2610 p_bulletin = p_vf->bulletin.p_virt;
2611
2612 if (p_params)
2613 __qed_vf_get_link_params(p_hwfn, p_params, p_bulletin);
2614 if (p_link)
2615 __qed_vf_get_link_state(p_hwfn, p_link, p_bulletin);
2616 if (p_caps)
2617 __qed_vf_get_link_caps(p_hwfn, p_caps, p_bulletin);
2618}
2619
37bff2b9
YM		 2620static void qed_iov_process_mbx_req(struct qed_hwfn *p_hwfn,
2621 struct qed_ptt *p_ptt, int vfid)
2622{
2623 struct qed_iov_vf_mbx *mbx;
2624 struct qed_vf_info *p_vf;
2625 int i;
2626
2627 p_vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2628 if (!p_vf)
2629 return;
2630
2631 mbx = &p_vf->vf_mbx;
2632
2633 /* qed_iov_process_mbx_request */
2634 DP_VERBOSE(p_hwfn,
2635 QED_MSG_IOV,
2636 "qed_iov_process_mbx_req vfid %d\n", p_vf->abs_vf_id);
2637
2638 mbx->first_tlv = mbx->req_virt->first_tlv;
2639
2640 /* check if tlv type is known */
2641 if (qed_iov_tlv_supported(mbx->first_tlv.tl.type)) {
1408cc1f
YM		 2642 switch (mbx->first_tlv.tl.type) {
2643 case CHANNEL_TLV_ACQUIRE:
2644 qed_iov_vf_mbx_acquire(p_hwfn, p_ptt, p_vf);
2645 break;
dacd88d6
YM		 2646 case CHANNEL_TLV_VPORT_START:
2647 qed_iov_vf_mbx_start_vport(p_hwfn, p_ptt, p_vf);
2648 break;
2649 case CHANNEL_TLV_VPORT_TEARDOWN:
2650 qed_iov_vf_mbx_stop_vport(p_hwfn, p_ptt, p_vf);
2651 break;
2652 case CHANNEL_TLV_START_RXQ:
2653 qed_iov_vf_mbx_start_rxq(p_hwfn, p_ptt, p_vf);
2654 break;
2655 case CHANNEL_TLV_START_TXQ:
2656 qed_iov_vf_mbx_start_txq(p_hwfn, p_ptt, p_vf);
2657 break;
2658 case CHANNEL_TLV_STOP_RXQS:
2659 qed_iov_vf_mbx_stop_rxqs(p_hwfn, p_ptt, p_vf);
2660 break;
2661 case CHANNEL_TLV_STOP_TXQS:
2662 qed_iov_vf_mbx_stop_txqs(p_hwfn, p_ptt, p_vf);
2663 break;
17b235c1
YM		 2664 case CHANNEL_TLV_UPDATE_RXQ:
2665 qed_iov_vf_mbx_update_rxqs(p_hwfn, p_ptt, p_vf);
2666 break;
dacd88d6
YM		 2667 case CHANNEL_TLV_VPORT_UPDATE:
2668 qed_iov_vf_mbx_vport_update(p_hwfn, p_ptt, p_vf);
2669 break;
2670 case CHANNEL_TLV_UCAST_FILTER:
2671 qed_iov_vf_mbx_ucast_filter(p_hwfn, p_ptt, p_vf);
2672 break;
0b55e27d
YM		 2673 case CHANNEL_TLV_CLOSE:
2674 qed_iov_vf_mbx_close(p_hwfn, p_ptt, p_vf);
2675 break;
2676 case CHANNEL_TLV_INT_CLEANUP:
2677 qed_iov_vf_mbx_int_cleanup(p_hwfn, p_ptt, p_vf);
2678 break;
2679 case CHANNEL_TLV_RELEASE:
2680 qed_iov_vf_mbx_release(p_hwfn, p_ptt, p_vf);
2681 break;
1408cc1f 2682 }
37bff2b9
YM		 2683 } else {
2684 /* unknown TLV - this may belong to a VF driver from the future
2685 * - a version written after this PF driver was written, which
2686 * supports features unknown as of yet. Too bad since we don't
2687 * support them. Or this may be because someone wrote a crappy
2688 * VF driver and is sending garbage over the channel.
2689 */
2690 DP_ERR(p_hwfn,
2691 "unknown TLV. type %d length %d. first 20 bytes of mailbox buffer:\n",
2692 mbx->first_tlv.tl.type, mbx->first_tlv.tl.length);
2693
2694 for (i = 0; i < 20; i++) {
2695 DP_VERBOSE(p_hwfn,
2696 QED_MSG_IOV,
2697 "%x ",
2698 mbx->req_virt->tlv_buf_size.tlv_buffer[i]);
2699 }
2700 }
2701}
2702
2703void qed_iov_pf_add_pending_events(struct qed_hwfn *p_hwfn, u8 vfid)
2704{
2705 u64 add_bit = 1ULL << (vfid % 64);
2706
2707 p_hwfn->pf_iov_info->pending_events[vfid / 64] |= add_bit;
2708}
2709
2710static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn *p_hwfn,
2711 u64 *events)
2712{
2713 u64 *p_pending_events = p_hwfn->pf_iov_info->pending_events;
2714
2715 memcpy(events, p_pending_events, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2716 memset(p_pending_events, 0, sizeof(u64) * QED_VF_ARRAY_LENGTH);
2717}
2718
2719static int qed_sriov_vfpf_msg(struct qed_hwfn *p_hwfn,
2720 u16 abs_vfid, struct regpair *vf_msg)
2721{
2722 u8 min = (u8)p_hwfn->cdev->p_iov_info->first_vf_in_pf;
2723 struct qed_vf_info *p_vf;
2724
2725 if (!qed_iov_pf_sanity_check(p_hwfn, (int)abs_vfid - min)) {
2726 DP_VERBOSE(p_hwfn,
2727 QED_MSG_IOV,
2728 "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
2729 abs_vfid);
2730 return 0;
2731 }
2732 p_vf = &p_hwfn->pf_iov_info->vfs_array[(u8)abs_vfid - min];
2733
2734 /* List the physical address of the request so that handler
2735 * could later on copy the message from it.
2736 */
2737 p_vf->vf_mbx.pending_req = (((u64)vf_msg->hi) << 32) | vf_msg->lo;
2738
2739 /* Mark the event and schedule the workqueue */
2740 qed_iov_pf_add_pending_events(p_hwfn, p_vf->relative_vf_id);
2741 qed_schedule_iov(p_hwfn, QED_IOV_WQ_MSG_FLAG);
2742
2743 return 0;
2744}
2745
2746int qed_sriov_eqe_event(struct qed_hwfn *p_hwfn,
2747 u8 opcode, __le16 echo, union event_ring_data *data)
2748{
2749 switch (opcode) {
2750 case COMMON_EVENT_VF_PF_CHANNEL:
2751 return qed_sriov_vfpf_msg(p_hwfn, le16_to_cpu(echo),
2752 &data->vf_pf_channel.msg_addr);
2753 default:
2754 DP_INFO(p_hwfn->cdev, "Unknown sriov eqe event 0x%02x\n",
2755 opcode);
2756 return -EINVAL;
2757 }
2758}
2759
32a47e72
YM		 2760u16 qed_iov_get_next_active_vf(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2761{
2762 struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
2763 u16 i;
2764
2765 if (!p_iov)
2766 goto out;
2767
2768 for (i = rel_vf_id; i < p_iov->total_vfs; i++)
2769 if (qed_iov_is_valid_vfid(p_hwfn, rel_vf_id, true))
2770 return i;
2771
2772out:
2773 return MAX_NUM_VFS;
2774}
37bff2b9
YM		 2775
2776static int qed_iov_copy_vf_msg(struct qed_hwfn *p_hwfn, struct qed_ptt *ptt,
2777 int vfid)
2778{
2779 struct qed_dmae_params params;
2780 struct qed_vf_info *vf_info;
2781
2782 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2783 if (!vf_info)
2784 return -EINVAL;
2785
2786 memset(&params, 0, sizeof(struct qed_dmae_params));
2787 params.flags = QED_DMAE_FLAG_VF_SRC | QED_DMAE_FLAG_COMPLETION_DST;
2788 params.src_vfid = vf_info->abs_vf_id;
2789
2790 if (qed_dmae_host2host(p_hwfn, ptt,
2791 vf_info->vf_mbx.pending_req,
2792 vf_info->vf_mbx.req_phys,
2793 sizeof(union vfpf_tlvs) / 4, &params)) {
2794 DP_VERBOSE(p_hwfn, QED_MSG_IOV,
2795 "Failed to copy message from VF 0x%02x\n", vfid);
2796
2797 return -EIO;
2798 }
2799
2800 return 0;
2801}
2802
eff16960
YM		 2803static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn *p_hwfn,
2804 u8 *mac, int vfid)
2805{
2806 struct qed_vf_info *vf_info;
2807 u64 feature;
2808
2809 vf_info = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2810 if (!vf_info) {
2811 DP_NOTICE(p_hwfn->cdev,
2812 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2813 return;
2814 }
2815
2816 feature = 1 << MAC_ADDR_FORCED;
2817 memcpy(vf_info->bulletin.p_virt->mac, mac, ETH_ALEN);
2818
2819 vf_info->bulletin.p_virt->valid_bitmap |= feature;
2820 /* Forced MAC will disable MAC_ADDR */
2821 vf_info->bulletin.p_virt->valid_bitmap &=
2822 ~(1 << VFPF_BULLETIN_MAC_ADDR);
2823
2824 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2825}
2826
08feecd7
YM		 2827void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn *p_hwfn,
2828 u16 pvid, int vfid)
2829{
2830 struct qed_vf_info *vf_info;
2831 u64 feature;
2832
2833 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2834 if (!vf_info) {
2835 DP_NOTICE(p_hwfn->cdev,
2836 "Can not set forced MAC, invalid vfid [%d]\n", vfid);
2837 return;
2838 }
2839
2840 feature = 1 << VLAN_ADDR_FORCED;
2841 vf_info->bulletin.p_virt->pvid = pvid;
2842 if (pvid)
2843 vf_info->bulletin.p_virt->valid_bitmap |= feature;
2844 else
2845 vf_info->bulletin.p_virt->valid_bitmap &= ~feature;
2846
2847 qed_iov_configure_vport_forced(p_hwfn, vf_info, feature);
2848}
2849
6ddc7608
YM		 2850static bool qed_iov_vf_has_vport_instance(struct qed_hwfn *p_hwfn, int vfid)
2851{
2852 struct qed_vf_info *p_vf_info;
2853
2854 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2855 if (!p_vf_info)
2856 return false;
2857
2858 return !!p_vf_info->vport_instance;
2859}
2860
0b55e27d
YM		 2861bool qed_iov_is_vf_stopped(struct qed_hwfn *p_hwfn, int vfid)
2862{
2863 struct qed_vf_info *p_vf_info;
2864
2865 p_vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2866 if (!p_vf_info)
2867 return true;
2868
2869 return p_vf_info->state == VF_STOPPED;
2870}
2871
73390ac9
YM		 2872static bool qed_iov_spoofchk_get(struct qed_hwfn *p_hwfn, int vfid)
2873{
2874 struct qed_vf_info *vf_info;
2875
2876 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2877 if (!vf_info)
2878 return false;
2879
2880 return vf_info->spoof_chk;
2881}
2882
6ddc7608
YM		 2883int qed_iov_spoofchk_set(struct qed_hwfn *p_hwfn, int vfid, bool val)
2884{
2885 struct qed_vf_info *vf;
2886 int rc = -EINVAL;
2887
2888 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2889 DP_NOTICE(p_hwfn,
2890 "SR-IOV sanity check failed, can't set spoofchk\n");
2891 goto out;
2892 }
2893
2894 vf = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2895 if (!vf)
2896 goto out;
2897
2898 if (!qed_iov_vf_has_vport_instance(p_hwfn, vfid)) {
2899 /* After VF VPORT start PF will configure spoof check */
2900 vf->req_spoofchk_val = val;
2901 rc = 0;
2902 goto out;
2903 }
2904
2905 rc = __qed_iov_spoofchk_set(p_hwfn, vf, val);
2906
2907out:
2908 return rc;
2909}
2910
eff16960
YM		 2911static u8 *qed_iov_bulletin_get_forced_mac(struct qed_hwfn *p_hwfn,
2912 u16 rel_vf_id)
2913{
2914 struct qed_vf_info *p_vf;
2915
2916 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2917 if (!p_vf || !p_vf->bulletin.p_virt)
2918 return NULL;
2919
2920 if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << MAC_ADDR_FORCED)))
2921 return NULL;
2922
2923 return p_vf->bulletin.p_virt->mac;
2924}
2925
08feecd7
YM		 2926u16 qed_iov_bulletin_get_forced_vlan(struct qed_hwfn *p_hwfn, u16 rel_vf_id)
2927{
2928 struct qed_vf_info *p_vf;
2929
2930 p_vf = qed_iov_get_vf_info(p_hwfn, rel_vf_id, true);
2931 if (!p_vf || !p_vf->bulletin.p_virt)
2932 return 0;
2933
2934 if (!(p_vf->bulletin.p_virt->valid_bitmap & (1 << VLAN_ADDR_FORCED)))
2935 return 0;
2936
2937 return p_vf->bulletin.p_virt->pvid;
2938}
2939
733def6a
YM		 2940static int qed_iov_configure_tx_rate(struct qed_hwfn *p_hwfn,
2941 struct qed_ptt *p_ptt, int vfid, int val)
2942{
2943 struct qed_vf_info *vf;
2944 u8 abs_vp_id = 0;
2945 int rc;
2946
2947 vf = qed_iov_get_vf_info(p_hwfn, (u16)vfid, true);
2948 if (!vf)
2949 return -EINVAL;
2950
2951 rc = qed_fw_vport(p_hwfn, vf->vport_id, &abs_vp_id);
2952 if (rc)
2953 return rc;
2954
2955 return qed_init_vport_rl(p_hwfn, p_ptt, abs_vp_id, (u32)val);
2956}
2957
2958int qed_iov_configure_min_tx_rate(struct qed_dev *cdev, int vfid, u32 rate)
2959{
2960 struct qed_vf_info *vf;
2961 u8 vport_id;
2962 int i;
2963
2964 for_each_hwfn(cdev, i) {
2965 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
2966
2967 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
2968 DP_NOTICE(p_hwfn,
2969 "SR-IOV sanity check failed, can't set min rate\n");
2970 return -EINVAL;
2971 }
2972 }
2973
2974 vf = qed_iov_get_vf_info(QED_LEADING_HWFN(cdev), (u16)vfid, true);
2975 vport_id = vf->vport_id;
2976
2977 return qed_configure_vport_wfq(cdev, vport_id, rate);
2978}
2979
73390ac9
YM		 2980static int qed_iov_get_vf_min_rate(struct qed_hwfn *p_hwfn, int vfid)
2981{
2982 struct qed_wfq_data *vf_vp_wfq;
2983 struct qed_vf_info *vf_info;
2984
2985 vf_info = qed_iov_get_vf_info(p_hwfn, (u16) vfid, true);
2986 if (!vf_info)
2987 return 0;
2988
2989 vf_vp_wfq = &p_hwfn->qm_info.wfq_data[vf_info->vport_id];
2990
2991 if (vf_vp_wfq->configured)
2992 return vf_vp_wfq->min_speed;
2993 else
2994 return 0;
2995}
2996
37bff2b9
YM		 2997/**
2998 * qed_schedule_iov - schedules IOV task for VF and PF
2999 * @hwfn: hardware function pointer
3000 * @flag: IOV flag for VF/PF
3001 */
3002void qed_schedule_iov(struct qed_hwfn *hwfn, enum qed_iov_wq_flag flag)
3003{
3004 smp_mb__before_atomic();
3005 set_bit(flag, &hwfn->iov_task_flags);
3006 smp_mb__after_atomic();
3007 DP_VERBOSE(hwfn, QED_MSG_IOV, "Scheduling iov task [Flag: %d]\n", flag);
3008 queue_delayed_work(hwfn->iov_wq, &hwfn->iov_task, 0);
3009}
3010
1408cc1f
YM		 3011void qed_vf_start_iov_wq(struct qed_dev *cdev)
3012{
3013 int i;
3014
3015 for_each_hwfn(cdev, i)
3016 queue_delayed_work(cdev->hwfns[i].iov_wq,
3017 &cdev->hwfns[i].iov_task, 0);
3018}
3019
0b55e27d
YM		 3020int qed_sriov_disable(struct qed_dev *cdev, bool pci_enabled)
3021{
3022 int i, j;
3023
3024 for_each_hwfn(cdev, i)
3025 if (cdev->hwfns[i].iov_wq)
3026 flush_workqueue(cdev->hwfns[i].iov_wq);
3027
3028 /* Mark VFs for disablement */
3029 qed_iov_set_vfs_to_disable(cdev, true);
3030
3031 if (cdev->p_iov_info && cdev->p_iov_info->num_vfs && pci_enabled)
3032 pci_disable_sriov(cdev->pdev);
3033
3034 for_each_hwfn(cdev, i) {
3035 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3036 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3037
3038 /* Failure to acquire the ptt in 100g creates an odd error
3039 * where the first engine has already relased IOV.
3040 */
3041 if (!ptt) {
3042 DP_ERR(hwfn, "Failed to acquire ptt\n");
3043 return -EBUSY;
3044 }
3045
733def6a
YM		 3046 /* Clean WFQ db and configure equal weight for all vports */
3047 qed_clean_wfq_db(hwfn, ptt);
3048
0b55e27d
YM		 3049 qed_for_each_vf(hwfn, j) {
3050 int k;
3051
3052 if (!qed_iov_is_valid_vfid(hwfn, j, true))
3053 continue;
3054
3055 /* Wait until VF is disabled before releasing */
3056 for (k = 0; k < 100; k++) {
3057 if (!qed_iov_is_vf_stopped(hwfn, j))
3058 msleep(20);
3059 else
3060 break;
3061 }
3062
3063 if (k < 100)
3064 qed_iov_release_hw_for_vf(&cdev->hwfns[i],
3065 ptt, j);
3066 else
3067 DP_ERR(hwfn,
3068 "Timeout waiting for VF's FLR to end\n");
3069 }
3070
3071 qed_ptt_release(hwfn, ptt);
3072 }
3073
3074 qed_iov_set_vfs_to_disable(cdev, false);
3075
3076 return 0;
3077}
3078
3079static int qed_sriov_enable(struct qed_dev *cdev, int num)
3080{
3081 struct qed_sb_cnt_info sb_cnt_info;
3082 int i, j, rc;
3083
3084 if (num >= RESC_NUM(&cdev->hwfns[0], QED_VPORT)) {
3085 DP_NOTICE(cdev, "Can start at most %d VFs\n",
3086 RESC_NUM(&cdev->hwfns[0], QED_VPORT) - 1);
3087 return -EINVAL;
3088 }
3089
3090 /* Initialize HW for VF access */
3091 for_each_hwfn(cdev, j) {
3092 struct qed_hwfn *hwfn = &cdev->hwfns[j];
3093 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3094 int num_sbs = 0, limit = 16;
3095
3096 if (!ptt) {
3097 DP_ERR(hwfn, "Failed to acquire ptt\n");
3098 rc = -EBUSY;
3099 goto err;
3100 }
3101
83f34bd4
YM		 3102 if (IS_MF_DEFAULT(hwfn))
3103 limit = MAX_NUM_VFS_BB / hwfn->num_funcs_on_engine;
3104
0b55e27d
YM		 3105 memset(&sb_cnt_info, 0, sizeof(sb_cnt_info));
3106 qed_int_get_num_sbs(hwfn, &sb_cnt_info);
3107 num_sbs = min_t(int, sb_cnt_info.sb_free_blk, limit);
3108
3109 for (i = 0; i < num; i++) {
3110 if (!qed_iov_is_valid_vfid(hwfn, i, false))
3111 continue;
3112
3113 rc = qed_iov_init_hw_for_vf(hwfn,
3114 ptt, i, num_sbs / num);
3115 if (rc) {
3116 DP_ERR(cdev, "Failed to enable VF[%d]\n", i);
3117 qed_ptt_release(hwfn, ptt);
3118 goto err;
3119 }
3120 }
3121
3122 qed_ptt_release(hwfn, ptt);
3123 }
3124
3125 /* Enable SRIOV PCIe functions */
3126 rc = pci_enable_sriov(cdev->pdev, num);
3127 if (rc) {
3128 DP_ERR(cdev, "Failed to enable sriov [%d]\n", rc);
3129 goto err;
3130 }
3131
3132 return num;
3133
3134err:
3135 qed_sriov_disable(cdev, false);
3136 return rc;
3137}
3138
3139static int qed_sriov_configure(struct qed_dev *cdev, int num_vfs_param)
3140{
3141 if (!IS_QED_SRIOV(cdev)) {
3142 DP_VERBOSE(cdev, QED_MSG_IOV, "SR-IOV is not supported\n");
3143 return -EOPNOTSUPP;
3144 }
3145
3146 if (num_vfs_param)
3147 return qed_sriov_enable(cdev, num_vfs_param);
3148 else
3149 return qed_sriov_disable(cdev, true);
3150}
3151
eff16960
YM		 3152static int qed_sriov_pf_set_mac(struct qed_dev *cdev, u8 *mac, int vfid)
3153{
3154 int i;
3155
3156 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3157 DP_VERBOSE(cdev, QED_MSG_IOV,
3158 "Cannot set a VF MAC; Sriov is not enabled\n");
3159 return -EINVAL;
3160 }
3161
3162 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3163 DP_VERBOSE(cdev, QED_MSG_IOV,
3164 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3165 return -EINVAL;
3166 }
3167
3168 for_each_hwfn(cdev, i) {
3169 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3170 struct qed_public_vf_info *vf_info;
3171
3172 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3173 if (!vf_info)
3174 continue;
3175
3176 /* Set the forced MAC, and schedule the IOV task */
3177 ether_addr_copy(vf_info->forced_mac, mac);
3178 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3179 }
3180
3181 return 0;
3182}
3183
08feecd7
YM		 3184static int qed_sriov_pf_set_vlan(struct qed_dev *cdev, u16 vid, int vfid)
3185{
3186 int i;
3187
3188 if (!IS_QED_SRIOV(cdev) || !IS_PF_SRIOV_ALLOC(&cdev->hwfns[0])) {
3189 DP_VERBOSE(cdev, QED_MSG_IOV,
3190 "Cannot set a VF MAC; Sriov is not enabled\n");
3191 return -EINVAL;
3192 }
3193
3194 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vfid, true)) {
3195 DP_VERBOSE(cdev, QED_MSG_IOV,
3196 "Cannot set VF[%d] MAC (VF is not active)\n", vfid);
3197 return -EINVAL;
3198 }
3199
3200 for_each_hwfn(cdev, i) {
3201 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3202 struct qed_public_vf_info *vf_info;
3203
3204 vf_info = qed_iov_get_public_vf_info(hwfn, vfid, true);
3205 if (!vf_info)
3206 continue;
3207
3208 /* Set the forced vlan, and schedule the IOV task */
3209 vf_info->forced_vlan = vid;
3210 qed_schedule_iov(hwfn, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG);
3211 }
3212
3213 return 0;
3214}
3215
73390ac9
YM		 3216static int qed_get_vf_config(struct qed_dev *cdev,
3217 int vf_id, struct ifla_vf_info *ivi)
3218{
3219 struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev);
3220 struct qed_public_vf_info *vf_info;
3221 struct qed_mcp_link_state link;
3222 u32 tx_rate;
3223
3224 /* Sanitize request */
3225 if (IS_VF(cdev))
3226 return -EINVAL;
3227
3228 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3229 DP_VERBOSE(cdev, QED_MSG_IOV,
3230 "VF index [%d] isn't active\n", vf_id);
3231 return -EINVAL;
3232 }
3233
3234 vf_info = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3235
3236 qed_iov_get_link(hwfn, vf_id, NULL, &link, NULL);
3237
3238 /* Fill information about VF */
3239 ivi->vf = vf_id;
3240
3241 if (is_valid_ether_addr(vf_info->forced_mac))
3242 ether_addr_copy(ivi->mac, vf_info->forced_mac);
3243 else
3244 ether_addr_copy(ivi->mac, vf_info->mac);
3245
3246 ivi->vlan = vf_info->forced_vlan;
3247 ivi->spoofchk = qed_iov_spoofchk_get(hwfn, vf_id);
3248 ivi->linkstate = vf_info->link_state;
3249 tx_rate = vf_info->tx_rate;
3250 ivi->max_tx_rate = tx_rate ? tx_rate : link.speed;
3251 ivi->min_tx_rate = qed_iov_get_vf_min_rate(hwfn, vf_id);
3252
3253 return 0;
3254}
3255
36558c3d
YM		 3256void qed_inform_vf_link_state(struct qed_hwfn *hwfn)
3257{
3258 struct qed_mcp_link_capabilities caps;
3259 struct qed_mcp_link_params params;
3260 struct qed_mcp_link_state link;
3261 int i;
3262
3263 if (!hwfn->pf_iov_info)
3264 return;
3265
3266 /* Update bulletin of all future possible VFs with link configuration */
3267 for (i = 0; i < hwfn->cdev->p_iov_info->total_vfs; i++) {
733def6a
YM		 3268 struct qed_public_vf_info *vf_info;
3269
3270 vf_info = qed_iov_get_public_vf_info(hwfn, i, false);
3271 if (!vf_info)
3272 continue;
3273
36558c3d
YM		 3274 memcpy(&params, qed_mcp_get_link_params(hwfn), sizeof(params));
3275 memcpy(&link, qed_mcp_get_link_state(hwfn), sizeof(link));
3276 memcpy(&caps, qed_mcp_get_link_capabilities(hwfn),
3277 sizeof(caps));
3278
733def6a
YM		 3279 /* Modify link according to the VF's configured link state */
3280 switch (vf_info->link_state) {
3281 case IFLA_VF_LINK_STATE_DISABLE:
3282 link.link_up = false;
3283 break;
3284 case IFLA_VF_LINK_STATE_ENABLE:
3285 link.link_up = true;
3286 /* Set speed according to maximum supported by HW.
3287 * that is 40G for regular devices and 100G for CMT
3288 * mode devices.
3289 */
3290 link.speed = (hwfn->cdev->num_hwfns > 1) ?
3291 100000 : 40000;
3292 default:
3293 /* In auto mode pass PF link image to VF */
3294 break;
3295 }
3296
3297 if (link.link_up && vf_info->tx_rate) {
3298 struct qed_ptt *ptt;
3299 int rate;
3300
3301 rate = min_t(int, vf_info->tx_rate, link.speed);
3302
3303 ptt = qed_ptt_acquire(hwfn);
3304 if (!ptt) {
3305 DP_NOTICE(hwfn, "Failed to acquire PTT\n");
3306 return;
3307 }
3308
3309 if (!qed_iov_configure_tx_rate(hwfn, ptt, i, rate)) {
3310 vf_info->tx_rate = rate;
3311 link.speed = rate;
3312 }
3313
3314 qed_ptt_release(hwfn, ptt);
3315 }
3316
36558c3d
YM		 3317 qed_iov_set_link(hwfn, i, &params, &link, &caps);
3318 }
3319
3320 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3321}
3322
733def6a
YM		 3323static int qed_set_vf_link_state(struct qed_dev *cdev,
3324 int vf_id, int link_state)
3325{
3326 int i;
3327
3328 /* Sanitize request */
3329 if (IS_VF(cdev))
3330 return -EINVAL;
3331
3332 if (!qed_iov_is_valid_vfid(&cdev->hwfns[0], vf_id, true)) {
3333 DP_VERBOSE(cdev, QED_MSG_IOV,
3334 "VF index [%d] isn't active\n", vf_id);
3335 return -EINVAL;
3336 }
3337
3338 /* Handle configuration of link state */
3339 for_each_hwfn(cdev, i) {
3340 struct qed_hwfn *hwfn = &cdev->hwfns[i];
3341 struct qed_public_vf_info *vf;
3342
3343 vf = qed_iov_get_public_vf_info(hwfn, vf_id, true);
3344 if (!vf)
3345 continue;
3346
3347 if (vf->link_state == link_state)
3348 continue;
3349
3350 vf->link_state = link_state;
3351 qed_inform_vf_link_state(&cdev->hwfns[i]);
3352 }
3353
3354 return 0;
3355}
3356
6ddc7608
YM		 3357static int qed_spoof_configure(struct qed_dev *cdev, int vfid, bool val)
3358{
3359 int i, rc = -EINVAL;
3360
3361 for_each_hwfn(cdev, i) {
3362 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3363
3364 rc = qed_iov_spoofchk_set(p_hwfn, vfid, val);
3365 if (rc)
3366 break;
3367 }
3368
3369 return rc;
3370}
3371
733def6a
YM		 3372static int qed_configure_max_vf_rate(struct qed_dev *cdev, int vfid, int rate)
3373{
3374 int i;
3375
3376 for_each_hwfn(cdev, i) {
3377 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3378 struct qed_public_vf_info *vf;
3379
3380 if (!qed_iov_pf_sanity_check(p_hwfn, vfid)) {
3381 DP_NOTICE(p_hwfn,
3382 "SR-IOV sanity check failed, can't set tx rate\n");
3383 return -EINVAL;
3384 }
3385
3386 vf = qed_iov_get_public_vf_info(p_hwfn, vfid, true);
3387
3388 vf->tx_rate = rate;
3389
3390 qed_inform_vf_link_state(p_hwfn);
3391 }
3392
3393 return 0;
3394}
3395
3396static int qed_set_vf_rate(struct qed_dev *cdev,
3397 int vfid, u32 min_rate, u32 max_rate)
3398{
3399 int rc_min = 0, rc_max = 0;
3400
3401 if (max_rate)
3402 rc_max = qed_configure_max_vf_rate(cdev, vfid, max_rate);
3403
3404 if (min_rate)
3405 rc_min = qed_iov_configure_min_tx_rate(cdev, vfid, min_rate);
3406
3407 if (rc_max | rc_min)
3408 return -EINVAL;
3409
3410 return 0;
3411}
3412
37bff2b9
YM		 3413static void qed_handle_vf_msg(struct qed_hwfn *hwfn)
3414{
3415 u64 events[QED_VF_ARRAY_LENGTH];
3416 struct qed_ptt *ptt;
3417 int i;
3418
3419 ptt = qed_ptt_acquire(hwfn);
3420 if (!ptt) {
3421 DP_VERBOSE(hwfn, QED_MSG_IOV,
3422 "Can't acquire PTT; re-scheduling\n");
3423 qed_schedule_iov(hwfn, QED_IOV_WQ_MSG_FLAG);
3424 return;
3425 }
3426
3427 qed_iov_pf_get_and_clear_pending_events(hwfn, events);
3428
3429 DP_VERBOSE(hwfn, QED_MSG_IOV,
3430 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3431 events[0], events[1], events[2]);
3432
3433 qed_for_each_vf(hwfn, i) {
3434 /* Skip VFs with no pending messages */
3435 if (!(events[i / 64] & (1ULL << (i % 64))))
3436 continue;
3437
3438 DP_VERBOSE(hwfn, QED_MSG_IOV,
3439 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3440 i, hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3441
3442 /* Copy VF's message to PF's request buffer for that VF */
3443 if (qed_iov_copy_vf_msg(hwfn, ptt, i))
3444 continue;
3445
3446 qed_iov_process_mbx_req(hwfn, ptt, i);
3447 }
3448
3449 qed_ptt_release(hwfn, ptt);
3450}
3451
08feecd7
YM		 3452static void qed_handle_pf_set_vf_unicast(struct qed_hwfn *hwfn)
3453{
3454 int i;
3455
3456 qed_for_each_vf(hwfn, i) {
3457 struct qed_public_vf_info *info;
3458 bool update = false;
eff16960 3459 u8 *mac;
08feecd7
YM		 3460
3461 info = qed_iov_get_public_vf_info(hwfn, i, true);
3462 if (!info)
3463 continue;
3464
3465 /* Update data on bulletin board */
eff16960
YM		 3466 mac = qed_iov_bulletin_get_forced_mac(hwfn, i);
3467 if (is_valid_ether_addr(info->forced_mac) &&
3468 (!mac || !ether_addr_equal(mac, info->forced_mac))) {
3469 DP_VERBOSE(hwfn,
3470 QED_MSG_IOV,
3471 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3472 i,
3473 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3474
3475 /* Update bulletin board with forced MAC */
3476 qed_iov_bulletin_set_forced_mac(hwfn,
3477 info->forced_mac, i);
3478 update = true;
3479 }
08feecd7
YM		 3480
3481 if (qed_iov_bulletin_get_forced_vlan(hwfn, i) ^
3482 info->forced_vlan) {
3483 DP_VERBOSE(hwfn,
3484 QED_MSG_IOV,
3485 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3486 info->forced_vlan,
3487 i,
3488 hwfn->cdev->p_iov_info->first_vf_in_pf + i);
3489 qed_iov_bulletin_set_forced_vlan(hwfn,
3490 info->forced_vlan, i);
3491 update = true;
3492 }
3493
3494 if (update)
3495 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3496 }
3497}
3498
36558c3d
YM		 3499static void qed_handle_bulletin_post(struct qed_hwfn *hwfn)
3500{
3501 struct qed_ptt *ptt;
3502 int i;
3503
3504 ptt = qed_ptt_acquire(hwfn);
3505 if (!ptt) {
3506 DP_NOTICE(hwfn, "Failed allocating a ptt entry\n");
3507 qed_schedule_iov(hwfn, QED_IOV_WQ_BULLETIN_UPDATE_FLAG);
3508 return;
3509 }
3510
3511 qed_for_each_vf(hwfn, i)
3512 qed_iov_post_vf_bulletin(hwfn, i, ptt);
3513
3514 qed_ptt_release(hwfn, ptt);
3515}
3516
37bff2b9
YM		 3517void qed_iov_pf_task(struct work_struct *work)
3518{
3519 struct qed_hwfn *hwfn = container_of(work, struct qed_hwfn,
3520 iov_task.work);
0b55e27d 3521 int rc;
37bff2b9
YM		 3522
3523 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG, &hwfn->iov_task_flags))
3524 return;
3525
0b55e27d
YM		 3526 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG, &hwfn->iov_task_flags)) {
3527 struct qed_ptt *ptt = qed_ptt_acquire(hwfn);
3528
3529 if (!ptt) {
3530 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3531 return;
3532 }
3533
3534 rc = qed_iov_vf_flr_cleanup(hwfn, ptt);
3535 if (rc)
3536 qed_schedule_iov(hwfn, QED_IOV_WQ_FLR_FLAG);
3537
3538 qed_ptt_release(hwfn, ptt);
3539 }
3540
37bff2b9
YM		 3541 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG, &hwfn->iov_task_flags))
3542 qed_handle_vf_msg(hwfn);
08feecd7
YM		 3543
3544 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG,
3545 &hwfn->iov_task_flags))
3546 qed_handle_pf_set_vf_unicast(hwfn);
3547
36558c3d
YM		 3548 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG,
3549 &hwfn->iov_task_flags))
3550 qed_handle_bulletin_post(hwfn);
37bff2b9
YM		 3551}
3552
3553void qed_iov_wq_stop(struct qed_dev *cdev, bool schedule_first)
3554{
3555 int i;
3556
3557 for_each_hwfn(cdev, i) {
3558 if (!cdev->hwfns[i].iov_wq)
3559 continue;
3560
3561 if (schedule_first) {
3562 qed_schedule_iov(&cdev->hwfns[i],
3563 QED_IOV_WQ_STOP_WQ_FLAG);
3564 cancel_delayed_work_sync(&cdev->hwfns[i].iov_task);
3565 }
3566
3567 flush_workqueue(cdev->hwfns[i].iov_wq);
3568 destroy_workqueue(cdev->hwfns[i].iov_wq);
3569 }
3570}
3571
3572int qed_iov_wq_start(struct qed_dev *cdev)
3573{
3574 char name[NAME_SIZE];
3575 int i;
3576
3577 for_each_hwfn(cdev, i) {
3578 struct qed_hwfn *p_hwfn = &cdev->hwfns[i];
3579
36558c3d
YM		 3580 /* PFs needs a dedicated workqueue only if they support IOV.
3581 * VFs always require one.
3582 */
3583 if (IS_PF(p_hwfn->cdev) && !IS_PF_SRIOV(p_hwfn))
37bff2b9
YM		 3584 continue;
3585
3586 snprintf(name, NAME_SIZE, "iov-%02x:%02x.%02x",
3587 cdev->pdev->bus->number,
3588 PCI_SLOT(cdev->pdev->devfn), p_hwfn->abs_pf_id);
3589
3590 p_hwfn->iov_wq = create_singlethread_workqueue(name);
3591 if (!p_hwfn->iov_wq) {
3592 DP_NOTICE(p_hwfn, "Cannot create iov workqueue\n");
3593 return -ENOMEM;
3594 }
3595
36558c3d
YM		 3596 if (IS_PF(cdev))
3597 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_pf_task);
3598 else
3599 INIT_DELAYED_WORK(&p_hwfn->iov_task, qed_iov_vf_task);
37bff2b9
YM		 3600 }
3601
3602 return 0;
3603}
0b55e27d
YM		 3604
3605const struct qed_iov_hv_ops qed_iov_ops_pass = {
3606 .configure = &qed_sriov_configure,
eff16960 3607 .set_mac = &qed_sriov_pf_set_mac,
08feecd7 3608 .set_vlan = &qed_sriov_pf_set_vlan,
73390ac9 3609 .get_config = &qed_get_vf_config,
733def6a 3610 .set_link_state = &qed_set_vf_link_state,
6ddc7608 3611 .set_spoof = &qed_spoof_configure,
733def6a 3612 .set_rate = &qed_set_vf_rate,
0b55e27d 3613};
Linux 6.x block layer and io_uring tree(s)