1 /* QLogic qed NIC Driver
2 * Copyright (c) 2015 QLogic Corporation
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
9 #include <linux/etherdevice.h>
10 #include <linux/crc32.h>
11 #include <linux/qed/qed_iov_if.h>
15 #include "qed_init_ops.h"
18 #include "qed_reg_addr.h"
20 #include "qed_sriov.h"
24 static int qed_sp_vf_start(struct qed_hwfn
*p_hwfn
, struct qed_vf_info
*p_vf
)
26 struct vf_start_ramrod_data
*p_ramrod
= NULL
;
27 struct qed_spq_entry
*p_ent
= NULL
;
28 struct qed_sp_init_data init_data
;
33 memset(&init_data
, 0, sizeof(init_data
));
34 init_data
.cid
= qed_spq_get_cid(p_hwfn
);
35 init_data
.opaque_fid
= p_vf
->opaque_fid
;
36 init_data
.comp_mode
= QED_SPQ_MODE_EBLOCK
;
38 rc
= qed_sp_init_request(p_hwfn
, &p_ent
,
39 COMMON_RAMROD_VF_START
,
40 PROTOCOLID_COMMON
, &init_data
);
44 p_ramrod
= &p_ent
->ramrod
.vf_start
;
46 p_ramrod
->vf_id
= GET_FIELD(p_vf
->concrete_fid
, PXP_CONCRETE_FID_VFID
);
47 p_ramrod
->opaque_fid
= cpu_to_le16(p_vf
->opaque_fid
);
49 switch (p_hwfn
->hw_info
.personality
) {
51 p_ramrod
->personality
= PERSONALITY_ETH
;
53 case QED_PCI_ETH_ROCE
:
54 p_ramrod
->personality
= PERSONALITY_RDMA_AND_ETH
;
57 DP_NOTICE(p_hwfn
, "Unknown VF personality %d\n",
58 p_hwfn
->hw_info
.personality
);
62 fp_minor
= p_vf
->acquire
.vfdev_info
.eth_fp_hsi_minor
;
63 if (fp_minor
> ETH_HSI_VER_MINOR
) {
66 "VF [%d] - Requested fp hsi %02x.%02x which is slightly newer than PF's %02x.%02x; Configuring PFs version\n",
69 fp_minor
, ETH_HSI_VER_MAJOR
, ETH_HSI_VER_MINOR
);
70 fp_minor
= ETH_HSI_VER_MINOR
;
73 p_ramrod
->hsi_fp_ver
.major_ver_arr
[ETH_VER_KEY
] = ETH_HSI_VER_MAJOR
;
74 p_ramrod
->hsi_fp_ver
.minor_ver_arr
[ETH_VER_KEY
] = fp_minor
;
76 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
77 "VF[%d] - Starting using HSI %02x.%02x\n",
78 p_vf
->abs_vf_id
, ETH_HSI_VER_MAJOR
, fp_minor
);
80 return qed_spq_post(p_hwfn
, p_ent
, NULL
);
83 static int qed_sp_vf_stop(struct qed_hwfn
*p_hwfn
,
84 u32 concrete_vfid
, u16 opaque_vfid
)
86 struct vf_stop_ramrod_data
*p_ramrod
= NULL
;
87 struct qed_spq_entry
*p_ent
= NULL
;
88 struct qed_sp_init_data init_data
;
92 memset(&init_data
, 0, sizeof(init_data
));
93 init_data
.cid
= qed_spq_get_cid(p_hwfn
);
94 init_data
.opaque_fid
= opaque_vfid
;
95 init_data
.comp_mode
= QED_SPQ_MODE_EBLOCK
;
97 rc
= qed_sp_init_request(p_hwfn
, &p_ent
,
98 COMMON_RAMROD_VF_STOP
,
99 PROTOCOLID_COMMON
, &init_data
);
103 p_ramrod
= &p_ent
->ramrod
.vf_stop
;
105 p_ramrod
->vf_id
= GET_FIELD(concrete_vfid
, PXP_CONCRETE_FID_VFID
);
107 return qed_spq_post(p_hwfn
, p_ent
, NULL
);
110 bool qed_iov_is_valid_vfid(struct qed_hwfn
*p_hwfn
,
111 int rel_vf_id
, bool b_enabled_only
)
113 if (!p_hwfn
->pf_iov_info
) {
114 DP_NOTICE(p_hwfn
->cdev
, "No iov info\n");
118 if ((rel_vf_id
>= p_hwfn
->cdev
->p_iov_info
->total_vfs
) ||
122 if ((!p_hwfn
->pf_iov_info
->vfs_array
[rel_vf_id
].b_init
) &&
129 static struct qed_vf_info
*qed_iov_get_vf_info(struct qed_hwfn
*p_hwfn
,
133 struct qed_vf_info
*vf
= NULL
;
135 if (!p_hwfn
->pf_iov_info
) {
136 DP_NOTICE(p_hwfn
->cdev
, "No iov info\n");
140 if (qed_iov_is_valid_vfid(p_hwfn
, relative_vf_id
, b_enabled_only
))
141 vf
= &p_hwfn
->pf_iov_info
->vfs_array
[relative_vf_id
];
143 DP_ERR(p_hwfn
, "qed_iov_get_vf_info: VF[%d] is not enabled\n",
149 static bool qed_iov_validate_rxq(struct qed_hwfn
*p_hwfn
,
150 struct qed_vf_info
*p_vf
, u16 rx_qid
)
152 if (rx_qid
>= p_vf
->num_rxqs
)
155 "VF[0x%02x] - can't touch Rx queue[%04x]; Only 0x%04x are allocated\n",
156 p_vf
->abs_vf_id
, rx_qid
, p_vf
->num_rxqs
);
157 return rx_qid
< p_vf
->num_rxqs
;
160 static bool qed_iov_validate_txq(struct qed_hwfn
*p_hwfn
,
161 struct qed_vf_info
*p_vf
, u16 tx_qid
)
163 if (tx_qid
>= p_vf
->num_txqs
)
166 "VF[0x%02x] - can't touch Tx queue[%04x]; Only 0x%04x are allocated\n",
167 p_vf
->abs_vf_id
, tx_qid
, p_vf
->num_txqs
);
168 return tx_qid
< p_vf
->num_txqs
;
171 static bool qed_iov_validate_sb(struct qed_hwfn
*p_hwfn
,
172 struct qed_vf_info
*p_vf
, u16 sb_idx
)
176 for (i
= 0; i
< p_vf
->num_sbs
; i
++)
177 if (p_vf
->igu_sbs
[i
] == sb_idx
)
182 "VF[0%02x] - tried using sb_idx %04x which doesn't exist as one of its 0x%02x SBs\n",
183 p_vf
->abs_vf_id
, sb_idx
, p_vf
->num_sbs
);
188 int qed_iov_post_vf_bulletin(struct qed_hwfn
*p_hwfn
,
189 int vfid
, struct qed_ptt
*p_ptt
)
191 struct qed_bulletin_content
*p_bulletin
;
192 int crc_size
= sizeof(p_bulletin
->crc
);
193 struct qed_dmae_params params
;
194 struct qed_vf_info
*p_vf
;
196 p_vf
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
200 if (!p_vf
->vf_bulletin
)
203 p_bulletin
= p_vf
->bulletin
.p_virt
;
205 /* Increment bulletin board version and compute crc */
206 p_bulletin
->version
++;
207 p_bulletin
->crc
= crc32(0, (u8
*)p_bulletin
+ crc_size
,
208 p_vf
->bulletin
.size
- crc_size
);
210 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
211 "Posting Bulletin 0x%08x to VF[%d] (CRC 0x%08x)\n",
212 p_bulletin
->version
, p_vf
->relative_vf_id
, p_bulletin
->crc
);
214 /* propagate bulletin board via dmae to vm memory */
215 memset(¶ms
, 0, sizeof(params
));
216 params
.flags
= QED_DMAE_FLAG_VF_DST
;
217 params
.dst_vfid
= p_vf
->abs_vf_id
;
218 return qed_dmae_host2host(p_hwfn
, p_ptt
, p_vf
->bulletin
.phys
,
219 p_vf
->vf_bulletin
, p_vf
->bulletin
.size
/ 4,
223 static int qed_iov_pci_cfg_info(struct qed_dev
*cdev
)
225 struct qed_hw_sriov_info
*iov
= cdev
->p_iov_info
;
228 DP_VERBOSE(cdev
, QED_MSG_IOV
, "sriov ext pos %d\n", pos
);
229 pci_read_config_word(cdev
->pdev
, pos
+ PCI_SRIOV_CTRL
, &iov
->ctrl
);
231 pci_read_config_word(cdev
->pdev
,
232 pos
+ PCI_SRIOV_TOTAL_VF
, &iov
->total_vfs
);
233 pci_read_config_word(cdev
->pdev
,
234 pos
+ PCI_SRIOV_INITIAL_VF
, &iov
->initial_vfs
);
236 pci_read_config_word(cdev
->pdev
, pos
+ PCI_SRIOV_NUM_VF
, &iov
->num_vfs
);
240 "Number of VFs are already set to non-zero value. Ignoring PCI configuration value\n");
244 pci_read_config_word(cdev
->pdev
,
245 pos
+ PCI_SRIOV_VF_OFFSET
, &iov
->offset
);
247 pci_read_config_word(cdev
->pdev
,
248 pos
+ PCI_SRIOV_VF_STRIDE
, &iov
->stride
);
250 pci_read_config_word(cdev
->pdev
,
251 pos
+ PCI_SRIOV_VF_DID
, &iov
->vf_device_id
);
253 pci_read_config_dword(cdev
->pdev
,
254 pos
+ PCI_SRIOV_SUP_PGSIZE
, &iov
->pgsz
);
256 pci_read_config_dword(cdev
->pdev
, pos
+ PCI_SRIOV_CAP
, &iov
->cap
);
258 pci_read_config_byte(cdev
->pdev
, pos
+ PCI_SRIOV_FUNC_LINK
, &iov
->link
);
262 "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",
268 iov
->nr_virtfn
, iov
->offset
, iov
->stride
, iov
->pgsz
);
270 /* Some sanity checks */
271 if (iov
->num_vfs
> NUM_OF_VFS(cdev
) ||
272 iov
->total_vfs
> NUM_OF_VFS(cdev
)) {
273 /* This can happen only due to a bug. In this case we set
274 * num_vfs to zero to avoid memory corruption in the code that
275 * assumes max number of vfs
278 "IOV: Unexpected number of vfs set: %d setting num_vf to zero\n",
288 static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn
*p_hwfn
,
289 struct qed_ptt
*p_ptt
)
291 struct qed_igu_block
*p_sb
;
295 if (!p_hwfn
->hw_info
.p_igu_info
) {
297 "qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
301 for (sb_id
= 0; sb_id
< QED_MAPPING_MEMORY_SIZE(p_hwfn
->cdev
);
303 p_sb
= &p_hwfn
->hw_info
.p_igu_info
->igu_map
.igu_blocks
[sb_id
];
304 if ((p_sb
->status
& QED_IGU_STATUS_FREE
) &&
305 !(p_sb
->status
& QED_IGU_STATUS_PF
)) {
306 val
= qed_rd(p_hwfn
, p_ptt
,
307 IGU_REG_MAPPING_MEMORY
+ sb_id
* 4);
308 SET_FIELD(val
, IGU_MAPPING_LINE_VALID
, 0);
309 qed_wr(p_hwfn
, p_ptt
,
310 IGU_REG_MAPPING_MEMORY
+ 4 * sb_id
, val
);
315 static void qed_iov_setup_vfdb(struct qed_hwfn
*p_hwfn
)
317 struct qed_hw_sriov_info
*p_iov
= p_hwfn
->cdev
->p_iov_info
;
318 struct qed_pf_iov
*p_iov_info
= p_hwfn
->pf_iov_info
;
319 struct qed_bulletin_content
*p_bulletin_virt
;
320 dma_addr_t req_p
, rply_p
, bulletin_p
;
321 union pfvf_tlvs
*p_reply_virt_addr
;
322 union vfpf_tlvs
*p_req_virt_addr
;
325 memset(p_iov_info
->vfs_array
, 0, sizeof(p_iov_info
->vfs_array
));
327 p_req_virt_addr
= p_iov_info
->mbx_msg_virt_addr
;
328 req_p
= p_iov_info
->mbx_msg_phys_addr
;
329 p_reply_virt_addr
= p_iov_info
->mbx_reply_virt_addr
;
330 rply_p
= p_iov_info
->mbx_reply_phys_addr
;
331 p_bulletin_virt
= p_iov_info
->p_bulletins
;
332 bulletin_p
= p_iov_info
->bulletins_phys
;
333 if (!p_req_virt_addr
|| !p_reply_virt_addr
|| !p_bulletin_virt
) {
335 "qed_iov_setup_vfdb called without allocating mem first\n");
339 for (idx
= 0; idx
< p_iov
->total_vfs
; idx
++) {
340 struct qed_vf_info
*vf
= &p_iov_info
->vfs_array
[idx
];
343 vf
->vf_mbx
.req_virt
= p_req_virt_addr
+ idx
;
344 vf
->vf_mbx
.req_phys
= req_p
+ idx
* sizeof(union vfpf_tlvs
);
345 vf
->vf_mbx
.reply_virt
= p_reply_virt_addr
+ idx
;
346 vf
->vf_mbx
.reply_phys
= rply_p
+ idx
* sizeof(union pfvf_tlvs
);
348 vf
->state
= VF_STOPPED
;
351 vf
->bulletin
.phys
= idx
*
352 sizeof(struct qed_bulletin_content
) +
354 vf
->bulletin
.p_virt
= p_bulletin_virt
+ idx
;
355 vf
->bulletin
.size
= sizeof(struct qed_bulletin_content
);
357 vf
->relative_vf_id
= idx
;
358 vf
->abs_vf_id
= idx
+ p_iov
->first_vf_in_pf
;
359 concrete
= qed_vfid_to_concrete(p_hwfn
, vf
->abs_vf_id
);
360 vf
->concrete_fid
= concrete
;
361 vf
->opaque_fid
= (p_hwfn
->hw_info
.opaque_fid
& 0xff) |
362 (vf
->abs_vf_id
<< 8);
363 vf
->vport_id
= idx
+ 1;
365 vf
->num_mac_filters
= QED_ETH_VF_NUM_MAC_FILTERS
;
366 vf
->num_vlan_filters
= QED_ETH_VF_NUM_VLAN_FILTERS
;
370 static int qed_iov_allocate_vfdb(struct qed_hwfn
*p_hwfn
)
372 struct qed_pf_iov
*p_iov_info
= p_hwfn
->pf_iov_info
;
376 num_vfs
= p_hwfn
->cdev
->p_iov_info
->total_vfs
;
378 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
379 "qed_iov_allocate_vfdb for %d VFs\n", num_vfs
);
381 /* Allocate PF Mailbox buffer (per-VF) */
382 p_iov_info
->mbx_msg_size
= sizeof(union vfpf_tlvs
) * num_vfs
;
383 p_v_addr
= &p_iov_info
->mbx_msg_virt_addr
;
384 *p_v_addr
= dma_alloc_coherent(&p_hwfn
->cdev
->pdev
->dev
,
385 p_iov_info
->mbx_msg_size
,
386 &p_iov_info
->mbx_msg_phys_addr
,
391 /* Allocate PF Mailbox Reply buffer (per-VF) */
392 p_iov_info
->mbx_reply_size
= sizeof(union pfvf_tlvs
) * num_vfs
;
393 p_v_addr
= &p_iov_info
->mbx_reply_virt_addr
;
394 *p_v_addr
= dma_alloc_coherent(&p_hwfn
->cdev
->pdev
->dev
,
395 p_iov_info
->mbx_reply_size
,
396 &p_iov_info
->mbx_reply_phys_addr
,
401 p_iov_info
->bulletins_size
= sizeof(struct qed_bulletin_content
) *
403 p_v_addr
= &p_iov_info
->p_bulletins
;
404 *p_v_addr
= dma_alloc_coherent(&p_hwfn
->cdev
->pdev
->dev
,
405 p_iov_info
->bulletins_size
,
406 &p_iov_info
->bulletins_phys
,
413 "PF's Requests mailbox [%p virt 0x%llx phys], Response mailbox [%p virt 0x%llx phys] Bulletins [%p virt 0x%llx phys]\n",
414 p_iov_info
->mbx_msg_virt_addr
,
415 (u64
) p_iov_info
->mbx_msg_phys_addr
,
416 p_iov_info
->mbx_reply_virt_addr
,
417 (u64
) p_iov_info
->mbx_reply_phys_addr
,
418 p_iov_info
->p_bulletins
, (u64
) p_iov_info
->bulletins_phys
);
423 static void qed_iov_free_vfdb(struct qed_hwfn
*p_hwfn
)
425 struct qed_pf_iov
*p_iov_info
= p_hwfn
->pf_iov_info
;
427 if (p_hwfn
->pf_iov_info
->mbx_msg_virt_addr
)
428 dma_free_coherent(&p_hwfn
->cdev
->pdev
->dev
,
429 p_iov_info
->mbx_msg_size
,
430 p_iov_info
->mbx_msg_virt_addr
,
431 p_iov_info
->mbx_msg_phys_addr
);
433 if (p_hwfn
->pf_iov_info
->mbx_reply_virt_addr
)
434 dma_free_coherent(&p_hwfn
->cdev
->pdev
->dev
,
435 p_iov_info
->mbx_reply_size
,
436 p_iov_info
->mbx_reply_virt_addr
,
437 p_iov_info
->mbx_reply_phys_addr
);
439 if (p_iov_info
->p_bulletins
)
440 dma_free_coherent(&p_hwfn
->cdev
->pdev
->dev
,
441 p_iov_info
->bulletins_size
,
442 p_iov_info
->p_bulletins
,
443 p_iov_info
->bulletins_phys
);
446 int qed_iov_alloc(struct qed_hwfn
*p_hwfn
)
448 struct qed_pf_iov
*p_sriov
;
450 if (!IS_PF_SRIOV(p_hwfn
)) {
451 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
452 "No SR-IOV - no need for IOV db\n");
456 p_sriov
= kzalloc(sizeof(*p_sriov
), GFP_KERNEL
);
458 DP_NOTICE(p_hwfn
, "Failed to allocate `struct qed_sriov'\n");
462 p_hwfn
->pf_iov_info
= p_sriov
;
464 return qed_iov_allocate_vfdb(p_hwfn
);
467 void qed_iov_setup(struct qed_hwfn
*p_hwfn
, struct qed_ptt
*p_ptt
)
469 if (!IS_PF_SRIOV(p_hwfn
) || !IS_PF_SRIOV_ALLOC(p_hwfn
))
472 qed_iov_setup_vfdb(p_hwfn
);
473 qed_iov_clear_vf_igu_blocks(p_hwfn
, p_ptt
);
476 void qed_iov_free(struct qed_hwfn
*p_hwfn
)
478 if (IS_PF_SRIOV_ALLOC(p_hwfn
)) {
479 qed_iov_free_vfdb(p_hwfn
);
480 kfree(p_hwfn
->pf_iov_info
);
484 void qed_iov_free_hw_info(struct qed_dev
*cdev
)
486 kfree(cdev
->p_iov_info
);
487 cdev
->p_iov_info
= NULL
;
490 int qed_iov_hw_info(struct qed_hwfn
*p_hwfn
)
492 struct qed_dev
*cdev
= p_hwfn
->cdev
;
496 if (IS_VF(p_hwfn
->cdev
))
499 /* Learn the PCI configuration */
500 pos
= pci_find_ext_capability(p_hwfn
->cdev
->pdev
,
501 PCI_EXT_CAP_ID_SRIOV
);
503 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
, "No PCIe IOV support\n");
507 /* Allocate a new struct for IOV information */
508 cdev
->p_iov_info
= kzalloc(sizeof(*cdev
->p_iov_info
), GFP_KERNEL
);
509 if (!cdev
->p_iov_info
) {
510 DP_NOTICE(p_hwfn
, "Can't support IOV due to lack of memory\n");
513 cdev
->p_iov_info
->pos
= pos
;
515 rc
= qed_iov_pci_cfg_info(cdev
);
519 /* We want PF IOV to be synonemous with the existance of p_iov_info;
520 * In case the capability is published but there are no VFs, simply
521 * de-allocate the struct.
523 if (!cdev
->p_iov_info
->total_vfs
) {
524 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
525 "IOV capabilities, but no VFs are published\n");
526 kfree(cdev
->p_iov_info
);
527 cdev
->p_iov_info
= NULL
;
531 /* Calculate the first VF index - this is a bit tricky; Basically,
532 * VFs start at offset 16 relative to PF0, and 2nd engine VFs begin
533 * after the first engine's VFs.
535 cdev
->p_iov_info
->first_vf_in_pf
= p_hwfn
->cdev
->p_iov_info
->offset
+
536 p_hwfn
->abs_pf_id
- 16;
537 if (QED_PATH_ID(p_hwfn
))
538 cdev
->p_iov_info
->first_vf_in_pf
-= MAX_NUM_VFS_BB
;
540 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
541 "First VF in hwfn 0x%08x\n",
542 cdev
->p_iov_info
->first_vf_in_pf
);
547 static bool qed_iov_pf_sanity_check(struct qed_hwfn
*p_hwfn
, int vfid
)
549 /* Check PF supports sriov */
550 if (IS_VF(p_hwfn
->cdev
) || !IS_QED_SRIOV(p_hwfn
->cdev
) ||
551 !IS_PF_SRIOV_ALLOC(p_hwfn
))
554 /* Check VF validity */
555 if (!qed_iov_is_valid_vfid(p_hwfn
, vfid
, true))
561 static void qed_iov_set_vf_to_disable(struct qed_dev
*cdev
,
562 u16 rel_vf_id
, u8 to_disable
)
564 struct qed_vf_info
*vf
;
567 for_each_hwfn(cdev
, i
) {
568 struct qed_hwfn
*p_hwfn
= &cdev
->hwfns
[i
];
570 vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, false);
574 vf
->to_disable
= to_disable
;
578 void qed_iov_set_vfs_to_disable(struct qed_dev
*cdev
, u8 to_disable
)
582 if (!IS_QED_SRIOV(cdev
))
585 for (i
= 0; i
< cdev
->p_iov_info
->total_vfs
; i
++)
586 qed_iov_set_vf_to_disable(cdev
, i
, to_disable
);
589 static void qed_iov_vf_pglue_clear_err(struct qed_hwfn
*p_hwfn
,
590 struct qed_ptt
*p_ptt
, u8 abs_vfid
)
592 qed_wr(p_hwfn
, p_ptt
,
593 PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR
+ (abs_vfid
>> 5) * 4,
594 1 << (abs_vfid
& 0x1f));
597 static void qed_iov_vf_igu_reset(struct qed_hwfn
*p_hwfn
,
598 struct qed_ptt
*p_ptt
, struct qed_vf_info
*vf
)
602 /* Set VF masks and configuration - pretend */
603 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) vf
->concrete_fid
);
605 qed_wr(p_hwfn
, p_ptt
, IGU_REG_STATISTIC_NUM_VF_MSG_SENT
, 0);
608 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) p_hwfn
->hw_info
.concrete_fid
);
610 /* iterate over all queues, clear sb consumer */
611 for (i
= 0; i
< vf
->num_sbs
; i
++)
612 qed_int_igu_init_pure_rt_single(p_hwfn
, p_ptt
,
614 vf
->opaque_fid
, true);
617 static void qed_iov_vf_igu_set_int(struct qed_hwfn
*p_hwfn
,
618 struct qed_ptt
*p_ptt
,
619 struct qed_vf_info
*vf
, bool enable
)
623 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) vf
->concrete_fid
);
625 igu_vf_conf
= qed_rd(p_hwfn
, p_ptt
, IGU_REG_VF_CONFIGURATION
);
628 igu_vf_conf
|= IGU_VF_CONF_MSI_MSIX_EN
;
630 igu_vf_conf
&= ~IGU_VF_CONF_MSI_MSIX_EN
;
632 qed_wr(p_hwfn
, p_ptt
, IGU_REG_VF_CONFIGURATION
, igu_vf_conf
);
635 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) p_hwfn
->hw_info
.concrete_fid
);
638 static int qed_iov_enable_vf_access(struct qed_hwfn
*p_hwfn
,
639 struct qed_ptt
*p_ptt
,
640 struct qed_vf_info
*vf
)
642 u32 igu_vf_conf
= IGU_VF_CONF_FUNC_EN
;
650 "Enable internal access for vf %x [abs %x]\n",
651 vf
->abs_vf_id
, QED_VF_ABS_ID(p_hwfn
, vf
));
653 qed_iov_vf_pglue_clear_err(p_hwfn
, p_ptt
, QED_VF_ABS_ID(p_hwfn
, vf
));
655 qed_iov_vf_igu_reset(p_hwfn
, p_ptt
, vf
);
657 rc
= qed_mcp_config_vf_msix(p_hwfn
, p_ptt
, vf
->abs_vf_id
, vf
->num_sbs
);
661 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) vf
->concrete_fid
);
663 SET_FIELD(igu_vf_conf
, IGU_VF_CONF_PARENT
, p_hwfn
->rel_pf_id
);
664 STORE_RT_REG(p_hwfn
, IGU_REG_VF_CONFIGURATION_RT_OFFSET
, igu_vf_conf
);
666 qed_init_run(p_hwfn
, p_ptt
, PHASE_VF
, vf
->abs_vf_id
,
667 p_hwfn
->hw_info
.hw_mode
);
670 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) p_hwfn
->hw_info
.concrete_fid
);
678 * @brief qed_iov_config_perm_table - configure the permission
680 * In E4, queue zone permission table size is 320x9. There
681 * are 320 VF queues for single engine device (256 for dual
682 * engine device), and each entry has the following format:
689 static void qed_iov_config_perm_table(struct qed_hwfn
*p_hwfn
,
690 struct qed_ptt
*p_ptt
,
691 struct qed_vf_info
*vf
, u8 enable
)
697 for (qid
= 0; qid
< vf
->num_rxqs
; qid
++) {
698 qed_fw_l2_queue(p_hwfn
, vf
->vf_queues
[qid
].fw_rx_qid
,
701 reg_addr
= PSWHST_REG_ZONE_PERMISSION_TABLE
+ qzone_id
* 4;
702 val
= enable
? (vf
->abs_vf_id
| BIT(8)) : 0;
703 qed_wr(p_hwfn
, p_ptt
, reg_addr
, val
);
707 static void qed_iov_enable_vf_traffic(struct qed_hwfn
*p_hwfn
,
708 struct qed_ptt
*p_ptt
,
709 struct qed_vf_info
*vf
)
711 /* Reset vf in IGU - interrupts are still disabled */
712 qed_iov_vf_igu_reset(p_hwfn
, p_ptt
, vf
);
714 qed_iov_vf_igu_set_int(p_hwfn
, p_ptt
, vf
, 1);
716 /* Permission Table */
717 qed_iov_config_perm_table(p_hwfn
, p_ptt
, vf
, true);
720 static u8
qed_iov_alloc_vf_igu_sbs(struct qed_hwfn
*p_hwfn
,
721 struct qed_ptt
*p_ptt
,
722 struct qed_vf_info
*vf
, u16 num_rx_queues
)
724 struct qed_igu_block
*igu_blocks
;
725 int qid
= 0, igu_id
= 0;
728 igu_blocks
= p_hwfn
->hw_info
.p_igu_info
->igu_map
.igu_blocks
;
730 if (num_rx_queues
> p_hwfn
->hw_info
.p_igu_info
->free_blks
)
731 num_rx_queues
= p_hwfn
->hw_info
.p_igu_info
->free_blks
;
732 p_hwfn
->hw_info
.p_igu_info
->free_blks
-= num_rx_queues
;
734 SET_FIELD(val
, IGU_MAPPING_LINE_FUNCTION_NUMBER
, vf
->abs_vf_id
);
735 SET_FIELD(val
, IGU_MAPPING_LINE_VALID
, 1);
736 SET_FIELD(val
, IGU_MAPPING_LINE_PF_VALID
, 0);
738 while ((qid
< num_rx_queues
) &&
739 (igu_id
< QED_MAPPING_MEMORY_SIZE(p_hwfn
->cdev
))) {
740 if (igu_blocks
[igu_id
].status
& QED_IGU_STATUS_FREE
) {
741 struct cau_sb_entry sb_entry
;
743 vf
->igu_sbs
[qid
] = (u16
)igu_id
;
744 igu_blocks
[igu_id
].status
&= ~QED_IGU_STATUS_FREE
;
746 SET_FIELD(val
, IGU_MAPPING_LINE_VECTOR_NUMBER
, qid
);
748 qed_wr(p_hwfn
, p_ptt
,
749 IGU_REG_MAPPING_MEMORY
+ sizeof(u32
) * igu_id
,
752 /* Configure igu sb in CAU which were marked valid */
753 qed_init_cau_sb_entry(p_hwfn
, &sb_entry
,
756 qed_dmae_host2grc(p_hwfn
, p_ptt
,
757 (u64
)(uintptr_t)&sb_entry
,
758 CAU_REG_SB_VAR_MEMORY
+
759 igu_id
* sizeof(u64
), 2, 0);
765 vf
->num_sbs
= (u8
) num_rx_queues
;
770 static void qed_iov_free_vf_igu_sbs(struct qed_hwfn
*p_hwfn
,
771 struct qed_ptt
*p_ptt
,
772 struct qed_vf_info
*vf
)
774 struct qed_igu_info
*p_info
= p_hwfn
->hw_info
.p_igu_info
;
778 /* Invalidate igu CAM lines and mark them as free */
779 for (idx
= 0; idx
< vf
->num_sbs
; idx
++) {
780 igu_id
= vf
->igu_sbs
[idx
];
781 addr
= IGU_REG_MAPPING_MEMORY
+ sizeof(u32
) * igu_id
;
783 val
= qed_rd(p_hwfn
, p_ptt
, addr
);
784 SET_FIELD(val
, IGU_MAPPING_LINE_VALID
, 0);
785 qed_wr(p_hwfn
, p_ptt
, addr
, val
);
787 p_info
->igu_map
.igu_blocks
[igu_id
].status
|=
790 p_hwfn
->hw_info
.p_igu_info
->free_blks
++;
796 static int qed_iov_init_hw_for_vf(struct qed_hwfn
*p_hwfn
,
797 struct qed_ptt
*p_ptt
,
798 u16 rel_vf_id
, u16 num_rx_queues
)
800 u8 num_of_vf_avaiable_chains
= 0;
801 struct qed_vf_info
*vf
= NULL
;
806 vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, false);
808 DP_ERR(p_hwfn
, "qed_iov_init_hw_for_vf : vf is NULL\n");
813 DP_NOTICE(p_hwfn
, "VF[%d] is already active.\n", rel_vf_id
);
817 /* Limit number of queues according to number of CIDs */
818 qed_cxt_get_proto_cid_count(p_hwfn
, PROTOCOLID_ETH
, &cids
);
821 "VF[%d] - requesting to initialize for 0x%04x queues [0x%04x CIDs available]\n",
822 vf
->relative_vf_id
, num_rx_queues
, (u16
) cids
);
823 num_rx_queues
= min_t(u16
, num_rx_queues
, ((u16
) cids
));
825 num_of_vf_avaiable_chains
= qed_iov_alloc_vf_igu_sbs(p_hwfn
,
829 if (!num_of_vf_avaiable_chains
) {
830 DP_ERR(p_hwfn
, "no available igu sbs\n");
834 /* Choose queue number and index ranges */
835 vf
->num_rxqs
= num_of_vf_avaiable_chains
;
836 vf
->num_txqs
= num_of_vf_avaiable_chains
;
838 for (i
= 0; i
< vf
->num_rxqs
; i
++) {
839 u16 queue_id
= qed_int_queue_id_from_sb_id(p_hwfn
,
842 if (queue_id
> RESC_NUM(p_hwfn
, QED_L2_QUEUE
)) {
844 "VF[%d] will require utilizing of out-of-bounds queues - %04x\n",
845 vf
->relative_vf_id
, queue_id
);
849 /* CIDs are per-VF, so no problem having them 0-based. */
850 vf
->vf_queues
[i
].fw_rx_qid
= queue_id
;
851 vf
->vf_queues
[i
].fw_tx_qid
= queue_id
;
852 vf
->vf_queues
[i
].fw_cid
= i
;
854 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
855 "VF[%d] - [%d] SB %04x, Tx/Rx queue %04x CID %04x\n",
856 vf
->relative_vf_id
, i
, vf
->igu_sbs
[i
], queue_id
, i
);
858 rc
= qed_iov_enable_vf_access(p_hwfn
, p_ptt
, vf
);
862 if (IS_LEAD_HWFN(p_hwfn
))
863 p_hwfn
->cdev
->p_iov_info
->num_vfs
++;
869 static void qed_iov_set_link(struct qed_hwfn
*p_hwfn
,
871 struct qed_mcp_link_params
*params
,
872 struct qed_mcp_link_state
*link
,
873 struct qed_mcp_link_capabilities
*p_caps
)
875 struct qed_vf_info
*p_vf
= qed_iov_get_vf_info(p_hwfn
,
878 struct qed_bulletin_content
*p_bulletin
;
883 p_bulletin
= p_vf
->bulletin
.p_virt
;
884 p_bulletin
->req_autoneg
= params
->speed
.autoneg
;
885 p_bulletin
->req_adv_speed
= params
->speed
.advertised_speeds
;
886 p_bulletin
->req_forced_speed
= params
->speed
.forced_speed
;
887 p_bulletin
->req_autoneg_pause
= params
->pause
.autoneg
;
888 p_bulletin
->req_forced_rx
= params
->pause
.forced_rx
;
889 p_bulletin
->req_forced_tx
= params
->pause
.forced_tx
;
890 p_bulletin
->req_loopback
= params
->loopback_mode
;
892 p_bulletin
->link_up
= link
->link_up
;
893 p_bulletin
->speed
= link
->speed
;
894 p_bulletin
->full_duplex
= link
->full_duplex
;
895 p_bulletin
->autoneg
= link
->an
;
896 p_bulletin
->autoneg_complete
= link
->an_complete
;
897 p_bulletin
->parallel_detection
= link
->parallel_detection
;
898 p_bulletin
->pfc_enabled
= link
->pfc_enabled
;
899 p_bulletin
->partner_adv_speed
= link
->partner_adv_speed
;
900 p_bulletin
->partner_tx_flow_ctrl_en
= link
->partner_tx_flow_ctrl_en
;
901 p_bulletin
->partner_rx_flow_ctrl_en
= link
->partner_rx_flow_ctrl_en
;
902 p_bulletin
->partner_adv_pause
= link
->partner_adv_pause
;
903 p_bulletin
->sfp_tx_fault
= link
->sfp_tx_fault
;
905 p_bulletin
->capability_speed
= p_caps
->speed_capabilities
;
908 static int qed_iov_release_hw_for_vf(struct qed_hwfn
*p_hwfn
,
909 struct qed_ptt
*p_ptt
, u16 rel_vf_id
)
911 struct qed_mcp_link_capabilities caps
;
912 struct qed_mcp_link_params params
;
913 struct qed_mcp_link_state link
;
914 struct qed_vf_info
*vf
= NULL
;
916 vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, true);
918 DP_ERR(p_hwfn
, "qed_iov_release_hw_for_vf : vf is NULL\n");
922 if (vf
->bulletin
.p_virt
)
923 memset(vf
->bulletin
.p_virt
, 0, sizeof(*vf
->bulletin
.p_virt
));
925 memset(&vf
->p_vf_info
, 0, sizeof(vf
->p_vf_info
));
927 /* Get the link configuration back in bulletin so
928 * that when VFs are re-enabled they get the actual
929 * link configuration.
931 memcpy(¶ms
, qed_mcp_get_link_params(p_hwfn
), sizeof(params
));
932 memcpy(&link
, qed_mcp_get_link_state(p_hwfn
), sizeof(link
));
933 memcpy(&caps
, qed_mcp_get_link_capabilities(p_hwfn
), sizeof(caps
));
934 qed_iov_set_link(p_hwfn
, rel_vf_id
, ¶ms
, &link
, &caps
);
936 /* Forget the VF's acquisition message */
937 memset(&vf
->acquire
, 0, sizeof(vf
->acquire
));
939 /* disablng interrupts and resetting permission table was done during
940 * vf-close, however, we could get here without going through vf_close
942 /* Disable Interrupts for VF */
943 qed_iov_vf_igu_set_int(p_hwfn
, p_ptt
, vf
, 0);
945 /* Reset Permission table */
946 qed_iov_config_perm_table(p_hwfn
, p_ptt
, vf
, 0);
950 qed_iov_free_vf_igu_sbs(p_hwfn
, p_ptt
, vf
);
955 if (IS_LEAD_HWFN(p_hwfn
))
956 p_hwfn
->cdev
->p_iov_info
->num_vfs
--;
962 static bool qed_iov_tlv_supported(u16 tlvtype
)
964 return CHANNEL_TLV_NONE
< tlvtype
&& tlvtype
< CHANNEL_TLV_MAX
;
967 /* place a given tlv on the tlv buffer, continuing current tlv list */
968 void *qed_add_tlv(struct qed_hwfn
*p_hwfn
, u8
**offset
, u16 type
, u16 length
)
970 struct channel_tlv
*tl
= (struct channel_tlv
*)*offset
;
975 /* Offset should keep pointing to next TLV (the end of the last) */
978 /* Return a pointer to the start of the added tlv */
979 return *offset
- length
;
982 /* list the types and lengths of the tlvs on the buffer */
983 void qed_dp_tlv_list(struct qed_hwfn
*p_hwfn
, void *tlvs_list
)
985 u16 i
= 1, total_length
= 0;
986 struct channel_tlv
*tlv
;
989 tlv
= (struct channel_tlv
*)((u8
*)tlvs_list
+ total_length
);
992 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
993 "TLV number %d: type %d, length %d\n",
994 i
, tlv
->type
, tlv
->length
);
996 if (tlv
->type
== CHANNEL_TLV_LIST_END
)
999 /* Validate entry - protect against malicious VFs */
1001 DP_NOTICE(p_hwfn
, "TLV of length 0 found\n");
1005 total_length
+= tlv
->length
;
1007 if (total_length
>= sizeof(struct tlv_buffer_size
)) {
1008 DP_NOTICE(p_hwfn
, "TLV ==> Buffer overflow\n");
1016 static void qed_iov_send_response(struct qed_hwfn
*p_hwfn
,
1017 struct qed_ptt
*p_ptt
,
1018 struct qed_vf_info
*p_vf
,
1019 u16 length
, u8 status
)
1021 struct qed_iov_vf_mbx
*mbx
= &p_vf
->vf_mbx
;
1022 struct qed_dmae_params params
;
1025 mbx
->reply_virt
->default_resp
.hdr
.status
= status
;
1027 qed_dp_tlv_list(p_hwfn
, mbx
->reply_virt
);
1029 eng_vf_id
= p_vf
->abs_vf_id
;
1031 memset(¶ms
, 0, sizeof(struct qed_dmae_params
));
1032 params
.flags
= QED_DMAE_FLAG_VF_DST
;
1033 params
.dst_vfid
= eng_vf_id
;
1035 qed_dmae_host2host(p_hwfn
, p_ptt
, mbx
->reply_phys
+ sizeof(u64
),
1036 mbx
->req_virt
->first_tlv
.reply_address
+
1038 (sizeof(union pfvf_tlvs
) - sizeof(u64
)) / 4,
1041 qed_dmae_host2host(p_hwfn
, p_ptt
, mbx
->reply_phys
,
1042 mbx
->req_virt
->first_tlv
.reply_address
,
1043 sizeof(u64
) / 4, ¶ms
);
1046 GTT_BAR0_MAP_REG_USDM_RAM
+
1047 USTORM_VF_PF_CHANNEL_READY_OFFSET(eng_vf_id
), 1);
1050 static u16
qed_iov_vport_to_tlv(struct qed_hwfn
*p_hwfn
,
1051 enum qed_iov_vport_update_flag flag
)
1054 case QED_IOV_VP_UPDATE_ACTIVATE
:
1055 return CHANNEL_TLV_VPORT_UPDATE_ACTIVATE
;
1056 case QED_IOV_VP_UPDATE_VLAN_STRIP
:
1057 return CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP
;
1058 case QED_IOV_VP_UPDATE_TX_SWITCH
:
1059 return CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH
;
1060 case QED_IOV_VP_UPDATE_MCAST
:
1061 return CHANNEL_TLV_VPORT_UPDATE_MCAST
;
1062 case QED_IOV_VP_UPDATE_ACCEPT_PARAM
:
1063 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM
;
1064 case QED_IOV_VP_UPDATE_RSS
:
1065 return CHANNEL_TLV_VPORT_UPDATE_RSS
;
1066 case QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN
:
1067 return CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN
;
1068 case QED_IOV_VP_UPDATE_SGE_TPA
:
1069 return CHANNEL_TLV_VPORT_UPDATE_SGE_TPA
;
1075 static u16
qed_iov_prep_vp_update_resp_tlvs(struct qed_hwfn
*p_hwfn
,
1076 struct qed_vf_info
*p_vf
,
1077 struct qed_iov_vf_mbx
*p_mbx
,
1079 u16 tlvs_mask
, u16 tlvs_accepted
)
1081 struct pfvf_def_resp_tlv
*resp
;
1082 u16 size
, total_len
, i
;
1084 memset(p_mbx
->reply_virt
, 0, sizeof(union pfvf_tlvs
));
1085 p_mbx
->offset
= (u8
*)p_mbx
->reply_virt
;
1086 size
= sizeof(struct pfvf_def_resp_tlv
);
1089 qed_add_tlv(p_hwfn
, &p_mbx
->offset
, CHANNEL_TLV_VPORT_UPDATE
, size
);
1091 /* Prepare response for all extended tlvs if they are found by PF */
1092 for (i
= 0; i
< QED_IOV_VP_UPDATE_MAX
; i
++) {
1093 if (!(tlvs_mask
& BIT(i
)))
1096 resp
= qed_add_tlv(p_hwfn
, &p_mbx
->offset
,
1097 qed_iov_vport_to_tlv(p_hwfn
, i
), size
);
1099 if (tlvs_accepted
& BIT(i
))
1100 resp
->hdr
.status
= status
;
1102 resp
->hdr
.status
= PFVF_STATUS_NOT_SUPPORTED
;
1106 "VF[%d] - vport_update response: TLV %d, status %02x\n",
1107 p_vf
->relative_vf_id
,
1108 qed_iov_vport_to_tlv(p_hwfn
, i
), resp
->hdr
.status
);
1113 qed_add_tlv(p_hwfn
, &p_mbx
->offset
, CHANNEL_TLV_LIST_END
,
1114 sizeof(struct channel_list_end_tlv
));
1119 static void qed_iov_prepare_resp(struct qed_hwfn
*p_hwfn
,
1120 struct qed_ptt
*p_ptt
,
1121 struct qed_vf_info
*vf_info
,
1122 u16 type
, u16 length
, u8 status
)
1124 struct qed_iov_vf_mbx
*mbx
= &vf_info
->vf_mbx
;
1126 mbx
->offset
= (u8
*)mbx
->reply_virt
;
1128 qed_add_tlv(p_hwfn
, &mbx
->offset
, type
, length
);
1129 qed_add_tlv(p_hwfn
, &mbx
->offset
, CHANNEL_TLV_LIST_END
,
1130 sizeof(struct channel_list_end_tlv
));
1132 qed_iov_send_response(p_hwfn
, p_ptt
, vf_info
, length
, status
);
1135 struct qed_public_vf_info
*qed_iov_get_public_vf_info(struct qed_hwfn
*p_hwfn
,
1137 bool b_enabled_only
)
1139 struct qed_vf_info
*vf
= NULL
;
1141 vf
= qed_iov_get_vf_info(p_hwfn
, relative_vf_id
, b_enabled_only
);
1145 return &vf
->p_vf_info
;
1148 void qed_iov_clean_vf(struct qed_hwfn
*p_hwfn
, u8 vfid
)
1150 struct qed_public_vf_info
*vf_info
;
1152 vf_info
= qed_iov_get_public_vf_info(p_hwfn
, vfid
, false);
1157 /* Clear the VF mac */
1158 memset(vf_info
->mac
, 0, ETH_ALEN
);
1161 static void qed_iov_vf_cleanup(struct qed_hwfn
*p_hwfn
,
1162 struct qed_vf_info
*p_vf
)
1166 p_vf
->vf_bulletin
= 0;
1167 p_vf
->vport_instance
= 0;
1168 p_vf
->configured_features
= 0;
1170 /* If VF previously requested less resources, go back to default */
1171 p_vf
->num_rxqs
= p_vf
->num_sbs
;
1172 p_vf
->num_txqs
= p_vf
->num_sbs
;
1174 p_vf
->num_active_rxqs
= 0;
1176 for (i
= 0; i
< QED_MAX_VF_CHAINS_PER_PF
; i
++)
1177 p_vf
->vf_queues
[i
].rxq_active
= 0;
1179 memset(&p_vf
->shadow_config
, 0, sizeof(p_vf
->shadow_config
));
1180 memset(&p_vf
->acquire
, 0, sizeof(p_vf
->acquire
));
1181 qed_iov_clean_vf(p_hwfn
, p_vf
->relative_vf_id
);
1184 static u8
qed_iov_vf_mbx_acquire_resc(struct qed_hwfn
*p_hwfn
,
1185 struct qed_ptt
*p_ptt
,
1186 struct qed_vf_info
*p_vf
,
1187 struct vf_pf_resc_request
*p_req
,
1188 struct pf_vf_resc
*p_resp
)
1192 /* Queue related information */
1193 p_resp
->num_rxqs
= p_vf
->num_rxqs
;
1194 p_resp
->num_txqs
= p_vf
->num_txqs
;
1195 p_resp
->num_sbs
= p_vf
->num_sbs
;
1197 for (i
= 0; i
< p_resp
->num_sbs
; i
++) {
1198 p_resp
->hw_sbs
[i
].hw_sb_id
= p_vf
->igu_sbs
[i
];
1199 p_resp
->hw_sbs
[i
].sb_qid
= 0;
1202 /* These fields are filled for backward compatibility.
1203 * Unused by modern vfs.
1205 for (i
= 0; i
< p_resp
->num_rxqs
; i
++) {
1206 qed_fw_l2_queue(p_hwfn
, p_vf
->vf_queues
[i
].fw_rx_qid
,
1207 (u16
*)&p_resp
->hw_qid
[i
]);
1208 p_resp
->cid
[i
] = p_vf
->vf_queues
[i
].fw_cid
;
1211 /* Filter related information */
1212 p_resp
->num_mac_filters
= min_t(u8
, p_vf
->num_mac_filters
,
1213 p_req
->num_mac_filters
);
1214 p_resp
->num_vlan_filters
= min_t(u8
, p_vf
->num_vlan_filters
,
1215 p_req
->num_vlan_filters
);
1217 /* This isn't really needed/enforced, but some legacy VFs might depend
1218 * on the correct filling of this field.
1220 p_resp
->num_mc_filters
= QED_MAX_MC_ADDRS
;
1222 /* Validate sufficient resources for VF */
1223 if (p_resp
->num_rxqs
< p_req
->num_rxqs
||
1224 p_resp
->num_txqs
< p_req
->num_txqs
||
1225 p_resp
->num_sbs
< p_req
->num_sbs
||
1226 p_resp
->num_mac_filters
< p_req
->num_mac_filters
||
1227 p_resp
->num_vlan_filters
< p_req
->num_vlan_filters
||
1228 p_resp
->num_mc_filters
< p_req
->num_mc_filters
) {
1231 "VF[%d] - Insufficient resources: rxq [%02x/%02x] txq [%02x/%02x] sbs [%02x/%02x] mac [%02x/%02x] vlan [%02x/%02x] mc [%02x/%02x]\n",
1239 p_req
->num_mac_filters
,
1240 p_resp
->num_mac_filters
,
1241 p_req
->num_vlan_filters
,
1242 p_resp
->num_vlan_filters
,
1243 p_req
->num_mc_filters
, p_resp
->num_mc_filters
);
1244 return PFVF_STATUS_NO_RESOURCE
;
1247 return PFVF_STATUS_SUCCESS
;
1250 static void qed_iov_vf_mbx_acquire_stats(struct qed_hwfn
*p_hwfn
,
1251 struct pfvf_stats_info
*p_stats
)
1253 p_stats
->mstats
.address
= PXP_VF_BAR0_START_MSDM_ZONE_B
+
1254 offsetof(struct mstorm_vf_zone
,
1255 non_trigger
.eth_queue_stat
);
1256 p_stats
->mstats
.len
= sizeof(struct eth_mstorm_per_queue_stat
);
1257 p_stats
->ustats
.address
= PXP_VF_BAR0_START_USDM_ZONE_B
+
1258 offsetof(struct ustorm_vf_zone
,
1259 non_trigger
.eth_queue_stat
);
1260 p_stats
->ustats
.len
= sizeof(struct eth_ustorm_per_queue_stat
);
1261 p_stats
->pstats
.address
= PXP_VF_BAR0_START_PSDM_ZONE_B
+
1262 offsetof(struct pstorm_vf_zone
,
1263 non_trigger
.eth_queue_stat
);
1264 p_stats
->pstats
.len
= sizeof(struct eth_pstorm_per_queue_stat
);
1265 p_stats
->tstats
.address
= 0;
1266 p_stats
->tstats
.len
= 0;
1269 static void qed_iov_vf_mbx_acquire(struct qed_hwfn
*p_hwfn
,
1270 struct qed_ptt
*p_ptt
,
1271 struct qed_vf_info
*vf
)
1273 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1274 struct pfvf_acquire_resp_tlv
*resp
= &mbx
->reply_virt
->acquire_resp
;
1275 struct pf_vf_pfdev_info
*pfdev_info
= &resp
->pfdev_info
;
1276 struct vfpf_acquire_tlv
*req
= &mbx
->req_virt
->acquire
;
1277 u8 vfpf_status
= PFVF_STATUS_NOT_SUPPORTED
;
1278 struct pf_vf_resc
*resc
= &resp
->resc
;
1281 memset(resp
, 0, sizeof(*resp
));
1283 /* Validate FW compatibility */
1284 if (req
->vfdev_info
.eth_fp_hsi_major
!= ETH_HSI_VER_MAJOR
) {
1286 "VF[%d] needs fastpath HSI %02x.%02x, which is incompatible with loaded FW's faspath HSI %02x.%02x\n",
1288 req
->vfdev_info
.eth_fp_hsi_major
,
1289 req
->vfdev_info
.eth_fp_hsi_minor
,
1290 ETH_HSI_VER_MAJOR
, ETH_HSI_VER_MINOR
);
1292 /* Write the PF version so that VF would know which version
1295 pfdev_info
->major_fp_hsi
= ETH_HSI_VER_MAJOR
;
1296 pfdev_info
->minor_fp_hsi
= ETH_HSI_VER_MINOR
;
1301 /* On 100g PFs, prevent old VFs from loading */
1302 if ((p_hwfn
->cdev
->num_hwfns
> 1) &&
1303 !(req
->vfdev_info
.capabilities
& VFPF_ACQUIRE_CAP_100G
)) {
1305 "VF[%d] is running an old driver that doesn't support 100g\n",
1310 /* Store the acquire message */
1311 memcpy(&vf
->acquire
, req
, sizeof(vf
->acquire
));
1313 vf
->opaque_fid
= req
->vfdev_info
.opaque_fid
;
1315 vf
->vf_bulletin
= req
->bulletin_addr
;
1316 vf
->bulletin
.size
= (vf
->bulletin
.size
< req
->bulletin_size
) ?
1317 vf
->bulletin
.size
: req
->bulletin_size
;
1319 /* fill in pfdev info */
1320 pfdev_info
->chip_num
= p_hwfn
->cdev
->chip_num
;
1321 pfdev_info
->db_size
= 0;
1322 pfdev_info
->indices_per_sb
= PIS_PER_SB
;
1324 pfdev_info
->capabilities
= PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED
|
1325 PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE
;
1326 if (p_hwfn
->cdev
->num_hwfns
> 1)
1327 pfdev_info
->capabilities
|= PFVF_ACQUIRE_CAP_100G
;
1329 qed_iov_vf_mbx_acquire_stats(p_hwfn
, &pfdev_info
->stats_info
);
1331 memcpy(pfdev_info
->port_mac
, p_hwfn
->hw_info
.hw_mac_addr
, ETH_ALEN
);
1333 pfdev_info
->fw_major
= FW_MAJOR_VERSION
;
1334 pfdev_info
->fw_minor
= FW_MINOR_VERSION
;
1335 pfdev_info
->fw_rev
= FW_REVISION_VERSION
;
1336 pfdev_info
->fw_eng
= FW_ENGINEERING_VERSION
;
1337 pfdev_info
->minor_fp_hsi
= min_t(u8
, ETH_HSI_VER_MINOR
,
1338 req
->vfdev_info
.eth_fp_hsi_minor
);
1339 pfdev_info
->os_type
= VFPF_ACQUIRE_OS_LINUX
;
1340 qed_mcp_get_mfw_ver(p_hwfn
, p_ptt
, &pfdev_info
->mfw_ver
, NULL
);
1342 pfdev_info
->dev_type
= p_hwfn
->cdev
->type
;
1343 pfdev_info
->chip_rev
= p_hwfn
->cdev
->chip_rev
;
1345 /* Fill resources available to VF; Make sure there are enough to
1346 * satisfy the VF's request.
1348 vfpf_status
= qed_iov_vf_mbx_acquire_resc(p_hwfn
, p_ptt
, vf
,
1349 &req
->resc_request
, resc
);
1350 if (vfpf_status
!= PFVF_STATUS_SUCCESS
)
1353 /* Start the VF in FW */
1354 rc
= qed_sp_vf_start(p_hwfn
, vf
);
1356 DP_NOTICE(p_hwfn
, "Failed to start VF[%02x]\n", vf
->abs_vf_id
);
1357 vfpf_status
= PFVF_STATUS_FAILURE
;
1361 /* Fill agreed size of bulletin board in response */
1362 resp
->bulletin_size
= vf
->bulletin
.size
;
1363 qed_iov_post_vf_bulletin(p_hwfn
, vf
->relative_vf_id
, p_ptt
);
1367 "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%llx\n"
1368 "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d\n",
1370 resp
->pfdev_info
.chip_num
,
1371 resp
->pfdev_info
.db_size
,
1372 resp
->pfdev_info
.indices_per_sb
,
1373 resp
->pfdev_info
.capabilities
,
1377 resc
->num_mac_filters
,
1378 resc
->num_vlan_filters
);
1379 vf
->state
= VF_ACQUIRED
;
1381 /* Prepare Response */
1383 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_ACQUIRE
,
1384 sizeof(struct pfvf_acquire_resp_tlv
), vfpf_status
);
1387 static int __qed_iov_spoofchk_set(struct qed_hwfn
*p_hwfn
,
1388 struct qed_vf_info
*p_vf
, bool val
)
1390 struct qed_sp_vport_update_params params
;
1393 if (val
== p_vf
->spoof_chk
) {
1394 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1395 "Spoofchk value[%d] is already configured\n", val
);
1399 memset(¶ms
, 0, sizeof(struct qed_sp_vport_update_params
));
1400 params
.opaque_fid
= p_vf
->opaque_fid
;
1401 params
.vport_id
= p_vf
->vport_id
;
1402 params
.update_anti_spoofing_en_flg
= 1;
1403 params
.anti_spoofing_en
= val
;
1405 rc
= qed_sp_vport_update(p_hwfn
, ¶ms
, QED_SPQ_MODE_EBLOCK
, NULL
);
1407 p_vf
->spoof_chk
= val
;
1408 p_vf
->req_spoofchk_val
= p_vf
->spoof_chk
;
1409 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1410 "Spoofchk val[%d] configured\n", val
);
1412 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1413 "Spoofchk configuration[val:%d] failed for VF[%d]\n",
1414 val
, p_vf
->relative_vf_id
);
1420 static int qed_iov_reconfigure_unicast_vlan(struct qed_hwfn
*p_hwfn
,
1421 struct qed_vf_info
*p_vf
)
1423 struct qed_filter_ucast filter
;
1427 memset(&filter
, 0, sizeof(filter
));
1428 filter
.is_rx_filter
= 1;
1429 filter
.is_tx_filter
= 1;
1430 filter
.vport_to_add_to
= p_vf
->vport_id
;
1431 filter
.opcode
= QED_FILTER_ADD
;
1433 /* Reconfigure vlans */
1434 for (i
= 0; i
< QED_ETH_VF_NUM_VLAN_FILTERS
+ 1; i
++) {
1435 if (!p_vf
->shadow_config
.vlans
[i
].used
)
1438 filter
.type
= QED_FILTER_VLAN
;
1439 filter
.vlan
= p_vf
->shadow_config
.vlans
[i
].vid
;
1440 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1441 "Reconfiguring VLAN [0x%04x] for VF [%04x]\n",
1442 filter
.vlan
, p_vf
->relative_vf_id
);
1443 rc
= qed_sp_eth_filter_ucast(p_hwfn
, p_vf
->opaque_fid
,
1444 &filter
, QED_SPQ_MODE_CB
, NULL
);
1447 "Failed to configure VLAN [%04x] to VF [%04x]\n",
1448 filter
.vlan
, p_vf
->relative_vf_id
);
1457 qed_iov_reconfigure_unicast_shadow(struct qed_hwfn
*p_hwfn
,
1458 struct qed_vf_info
*p_vf
, u64 events
)
1462 if ((events
& BIT(VLAN_ADDR_FORCED
)) &&
1463 !(p_vf
->configured_features
& (1 << VLAN_ADDR_FORCED
)))
1464 rc
= qed_iov_reconfigure_unicast_vlan(p_hwfn
, p_vf
);
1469 static int qed_iov_configure_vport_forced(struct qed_hwfn
*p_hwfn
,
1470 struct qed_vf_info
*p_vf
, u64 events
)
1473 struct qed_filter_ucast filter
;
1475 if (!p_vf
->vport_instance
)
1478 if (events
& BIT(MAC_ADDR_FORCED
)) {
1479 /* Since there's no way [currently] of removing the MAC,
1480 * we can always assume this means we need to force it.
1482 memset(&filter
, 0, sizeof(filter
));
1483 filter
.type
= QED_FILTER_MAC
;
1484 filter
.opcode
= QED_FILTER_REPLACE
;
1485 filter
.is_rx_filter
= 1;
1486 filter
.is_tx_filter
= 1;
1487 filter
.vport_to_add_to
= p_vf
->vport_id
;
1488 ether_addr_copy(filter
.mac
, p_vf
->bulletin
.p_virt
->mac
);
1490 rc
= qed_sp_eth_filter_ucast(p_hwfn
, p_vf
->opaque_fid
,
1491 &filter
, QED_SPQ_MODE_CB
, NULL
);
1494 "PF failed to configure MAC for VF\n");
1498 p_vf
->configured_features
|= 1 << MAC_ADDR_FORCED
;
1501 if (events
& BIT(VLAN_ADDR_FORCED
)) {
1502 struct qed_sp_vport_update_params vport_update
;
1506 memset(&filter
, 0, sizeof(filter
));
1507 filter
.type
= QED_FILTER_VLAN
;
1508 filter
.is_rx_filter
= 1;
1509 filter
.is_tx_filter
= 1;
1510 filter
.vport_to_add_to
= p_vf
->vport_id
;
1511 filter
.vlan
= p_vf
->bulletin
.p_virt
->pvid
;
1512 filter
.opcode
= filter
.vlan
? QED_FILTER_REPLACE
:
1515 /* Send the ramrod */
1516 rc
= qed_sp_eth_filter_ucast(p_hwfn
, p_vf
->opaque_fid
,
1517 &filter
, QED_SPQ_MODE_CB
, NULL
);
1520 "PF failed to configure VLAN for VF\n");
1524 /* Update the default-vlan & silent vlan stripping */
1525 memset(&vport_update
, 0, sizeof(vport_update
));
1526 vport_update
.opaque_fid
= p_vf
->opaque_fid
;
1527 vport_update
.vport_id
= p_vf
->vport_id
;
1528 vport_update
.update_default_vlan_enable_flg
= 1;
1529 vport_update
.default_vlan_enable_flg
= filter
.vlan
? 1 : 0;
1530 vport_update
.update_default_vlan_flg
= 1;
1531 vport_update
.default_vlan
= filter
.vlan
;
1533 vport_update
.update_inner_vlan_removal_flg
= 1;
1534 removal
= filter
.vlan
? 1
1535 : p_vf
->shadow_config
.inner_vlan_removal
;
1536 vport_update
.inner_vlan_removal_flg
= removal
;
1537 vport_update
.silent_vlan_removal_flg
= filter
.vlan
? 1 : 0;
1538 rc
= qed_sp_vport_update(p_hwfn
,
1540 QED_SPQ_MODE_EBLOCK
, NULL
);
1543 "PF failed to configure VF vport for vlan\n");
1547 /* Update all the Rx queues */
1548 for (i
= 0; i
< QED_MAX_VF_CHAINS_PER_PF
; i
++) {
1551 if (!p_vf
->vf_queues
[i
].rxq_active
)
1554 qid
= p_vf
->vf_queues
[i
].fw_rx_qid
;
1556 rc
= qed_sp_eth_rx_queues_update(p_hwfn
, qid
,
1558 QED_SPQ_MODE_EBLOCK
,
1562 "Failed to send Rx update fo queue[0x%04x]\n",
1569 p_vf
->configured_features
|= 1 << VLAN_ADDR_FORCED
;
1571 p_vf
->configured_features
&= ~BIT(VLAN_ADDR_FORCED
);
1574 /* If forced features are terminated, we need to configure the shadow
1575 * configuration back again.
1578 qed_iov_reconfigure_unicast_shadow(p_hwfn
, p_vf
, events
);
1583 static void qed_iov_vf_mbx_start_vport(struct qed_hwfn
*p_hwfn
,
1584 struct qed_ptt
*p_ptt
,
1585 struct qed_vf_info
*vf
)
1587 struct qed_sp_vport_start_params params
= { 0 };
1588 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1589 struct vfpf_vport_start_tlv
*start
;
1590 u8 status
= PFVF_STATUS_SUCCESS
;
1591 struct qed_vf_info
*vf_info
;
1596 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vf
->relative_vf_id
, true);
1598 DP_NOTICE(p_hwfn
->cdev
,
1599 "Failed to get VF info, invalid vfid [%d]\n",
1600 vf
->relative_vf_id
);
1604 vf
->state
= VF_ENABLED
;
1605 start
= &mbx
->req_virt
->start_vport
;
1607 /* Initialize Status block in CAU */
1608 for (sb_id
= 0; sb_id
< vf
->num_sbs
; sb_id
++) {
1609 if (!start
->sb_addr
[sb_id
]) {
1610 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1611 "VF[%d] did not fill the address of SB %d\n",
1612 vf
->relative_vf_id
, sb_id
);
1616 qed_int_cau_conf_sb(p_hwfn
, p_ptt
,
1617 start
->sb_addr
[sb_id
],
1618 vf
->igu_sbs
[sb_id
], vf
->abs_vf_id
, 1);
1620 qed_iov_enable_vf_traffic(p_hwfn
, p_ptt
, vf
);
1622 vf
->mtu
= start
->mtu
;
1623 vf
->shadow_config
.inner_vlan_removal
= start
->inner_vlan_removal
;
1625 /* Take into consideration configuration forced by hypervisor;
1626 * If none is configured, use the supplied VF values [for old
1627 * vfs that would still be fine, since they passed '0' as padding].
1629 p_bitmap
= &vf_info
->bulletin
.p_virt
->valid_bitmap
;
1630 if (!(*p_bitmap
& BIT(VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED
))) {
1631 u8 vf_req
= start
->only_untagged
;
1633 vf_info
->bulletin
.p_virt
->default_only_untagged
= vf_req
;
1634 *p_bitmap
|= 1 << VFPF_BULLETIN_UNTAGGED_DEFAULT
;
1637 params
.tpa_mode
= start
->tpa_mode
;
1638 params
.remove_inner_vlan
= start
->inner_vlan_removal
;
1639 params
.tx_switching
= true;
1641 params
.only_untagged
= vf_info
->bulletin
.p_virt
->default_only_untagged
;
1642 params
.drop_ttl0
= false;
1643 params
.concrete_fid
= vf
->concrete_fid
;
1644 params
.opaque_fid
= vf
->opaque_fid
;
1645 params
.vport_id
= vf
->vport_id
;
1646 params
.max_buffers_per_cqe
= start
->max_buffers_per_cqe
;
1647 params
.mtu
= vf
->mtu
;
1649 rc
= qed_sp_eth_vport_start(p_hwfn
, ¶ms
);
1652 "qed_iov_vf_mbx_start_vport returned error %d\n", rc
);
1653 status
= PFVF_STATUS_FAILURE
;
1655 vf
->vport_instance
++;
1657 /* Force configuration if needed on the newly opened vport */
1658 qed_iov_configure_vport_forced(p_hwfn
, vf
, *p_bitmap
);
1660 __qed_iov_spoofchk_set(p_hwfn
, vf
, vf
->req_spoofchk_val
);
1662 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_VPORT_START
,
1663 sizeof(struct pfvf_def_resp_tlv
), status
);
1666 static void qed_iov_vf_mbx_stop_vport(struct qed_hwfn
*p_hwfn
,
1667 struct qed_ptt
*p_ptt
,
1668 struct qed_vf_info
*vf
)
1670 u8 status
= PFVF_STATUS_SUCCESS
;
1673 vf
->vport_instance
--;
1674 vf
->spoof_chk
= false;
1676 rc
= qed_sp_vport_stop(p_hwfn
, vf
->opaque_fid
, vf
->vport_id
);
1678 DP_ERR(p_hwfn
, "qed_iov_vf_mbx_stop_vport returned error %d\n",
1680 status
= PFVF_STATUS_FAILURE
;
1683 /* Forget the configuration on the vport */
1684 vf
->configured_features
= 0;
1685 memset(&vf
->shadow_config
, 0, sizeof(vf
->shadow_config
));
1687 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_VPORT_TEARDOWN
,
1688 sizeof(struct pfvf_def_resp_tlv
), status
);
1691 static void qed_iov_vf_mbx_start_rxq_resp(struct qed_hwfn
*p_hwfn
,
1692 struct qed_ptt
*p_ptt
,
1693 struct qed_vf_info
*vf
, u8 status
)
1695 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1696 struct pfvf_start_queue_resp_tlv
*p_tlv
;
1697 struct vfpf_start_rxq_tlv
*req
;
1699 mbx
->offset
= (u8
*)mbx
->reply_virt
;
1701 p_tlv
= qed_add_tlv(p_hwfn
, &mbx
->offset
, CHANNEL_TLV_START_RXQ
,
1703 qed_add_tlv(p_hwfn
, &mbx
->offset
, CHANNEL_TLV_LIST_END
,
1704 sizeof(struct channel_list_end_tlv
));
1706 /* Update the TLV with the response */
1707 if (status
== PFVF_STATUS_SUCCESS
) {
1708 req
= &mbx
->req_virt
->start_rxq
;
1709 p_tlv
->offset
= PXP_VF_BAR0_START_MSDM_ZONE_B
+
1710 offsetof(struct mstorm_vf_zone
,
1711 non_trigger
.eth_rx_queue_producers
) +
1712 sizeof(struct eth_rx_prod_data
) * req
->rx_qid
;
1715 qed_iov_send_response(p_hwfn
, p_ptt
, vf
, sizeof(*p_tlv
), status
);
1718 static void qed_iov_vf_mbx_start_rxq(struct qed_hwfn
*p_hwfn
,
1719 struct qed_ptt
*p_ptt
,
1720 struct qed_vf_info
*vf
)
1722 struct qed_queue_start_common_params params
;
1723 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1724 u8 status
= PFVF_STATUS_NO_RESOURCE
;
1725 struct vfpf_start_rxq_tlv
*req
;
1728 memset(¶ms
, 0, sizeof(params
));
1729 req
= &mbx
->req_virt
->start_rxq
;
1731 if (!qed_iov_validate_rxq(p_hwfn
, vf
, req
->rx_qid
) ||
1732 !qed_iov_validate_sb(p_hwfn
, vf
, req
->hw_sb
))
1735 params
.queue_id
= vf
->vf_queues
[req
->rx_qid
].fw_rx_qid
;
1736 params
.vf_qid
= req
->rx_qid
;
1737 params
.vport_id
= vf
->vport_id
;
1738 params
.sb
= req
->hw_sb
;
1739 params
.sb_idx
= req
->sb_index
;
1741 rc
= qed_sp_eth_rxq_start_ramrod(p_hwfn
, vf
->opaque_fid
,
1742 vf
->vf_queues
[req
->rx_qid
].fw_cid
,
1744 vf
->abs_vf_id
+ 0x10,
1747 req
->cqe_pbl_addr
, req
->cqe_pbl_size
);
1750 status
= PFVF_STATUS_FAILURE
;
1752 status
= PFVF_STATUS_SUCCESS
;
1753 vf
->vf_queues
[req
->rx_qid
].rxq_active
= true;
1754 vf
->num_active_rxqs
++;
1758 qed_iov_vf_mbx_start_rxq_resp(p_hwfn
, p_ptt
, vf
, status
);
1761 static void qed_iov_vf_mbx_start_txq_resp(struct qed_hwfn
*p_hwfn
,
1762 struct qed_ptt
*p_ptt
,
1763 struct qed_vf_info
*p_vf
, u8 status
)
1765 struct qed_iov_vf_mbx
*mbx
= &p_vf
->vf_mbx
;
1766 struct pfvf_start_queue_resp_tlv
*p_tlv
;
1768 mbx
->offset
= (u8
*)mbx
->reply_virt
;
1770 p_tlv
= qed_add_tlv(p_hwfn
, &mbx
->offset
, CHANNEL_TLV_START_TXQ
,
1772 qed_add_tlv(p_hwfn
, &mbx
->offset
, CHANNEL_TLV_LIST_END
,
1773 sizeof(struct channel_list_end_tlv
));
1775 /* Update the TLV with the response */
1776 if (status
== PFVF_STATUS_SUCCESS
) {
1777 u16 qid
= mbx
->req_virt
->start_txq
.tx_qid
;
1779 p_tlv
->offset
= qed_db_addr(p_vf
->vf_queues
[qid
].fw_cid
,
1783 qed_iov_send_response(p_hwfn
, p_ptt
, p_vf
, sizeof(*p_tlv
), status
);
1786 static void qed_iov_vf_mbx_start_txq(struct qed_hwfn
*p_hwfn
,
1787 struct qed_ptt
*p_ptt
,
1788 struct qed_vf_info
*vf
)
1790 struct qed_queue_start_common_params params
;
1791 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1792 u8 status
= PFVF_STATUS_NO_RESOURCE
;
1793 union qed_qm_pq_params pq_params
;
1794 struct vfpf_start_txq_tlv
*req
;
1797 /* Prepare the parameters which would choose the right PQ */
1798 memset(&pq_params
, 0, sizeof(pq_params
));
1799 pq_params
.eth
.is_vf
= 1;
1800 pq_params
.eth
.vf_id
= vf
->relative_vf_id
;
1802 memset(¶ms
, 0, sizeof(params
));
1803 req
= &mbx
->req_virt
->start_txq
;
1805 if (!qed_iov_validate_txq(p_hwfn
, vf
, req
->tx_qid
) ||
1806 !qed_iov_validate_sb(p_hwfn
, vf
, req
->hw_sb
))
1809 params
.queue_id
= vf
->vf_queues
[req
->tx_qid
].fw_tx_qid
;
1810 params
.vport_id
= vf
->vport_id
;
1811 params
.sb
= req
->hw_sb
;
1812 params
.sb_idx
= req
->sb_index
;
1814 rc
= qed_sp_eth_txq_start_ramrod(p_hwfn
,
1816 vf
->vf_queues
[req
->tx_qid
].fw_cid
,
1818 vf
->abs_vf_id
+ 0x10,
1820 req
->pbl_size
, &pq_params
);
1823 status
= PFVF_STATUS_FAILURE
;
1825 status
= PFVF_STATUS_SUCCESS
;
1826 vf
->vf_queues
[req
->tx_qid
].txq_active
= true;
1830 qed_iov_vf_mbx_start_txq_resp(p_hwfn
, p_ptt
, vf
, status
);
1833 static int qed_iov_vf_stop_rxqs(struct qed_hwfn
*p_hwfn
,
1834 struct qed_vf_info
*vf
,
1835 u16 rxq_id
, u8 num_rxqs
, bool cqe_completion
)
1840 if (rxq_id
+ num_rxqs
> ARRAY_SIZE(vf
->vf_queues
))
1843 for (qid
= rxq_id
; qid
< rxq_id
+ num_rxqs
; qid
++) {
1844 if (vf
->vf_queues
[qid
].rxq_active
) {
1845 rc
= qed_sp_eth_rx_queue_stop(p_hwfn
,
1853 vf
->vf_queues
[qid
].rxq_active
= false;
1854 vf
->num_active_rxqs
--;
1860 static int qed_iov_vf_stop_txqs(struct qed_hwfn
*p_hwfn
,
1861 struct qed_vf_info
*vf
, u16 txq_id
, u8 num_txqs
)
1866 if (txq_id
+ num_txqs
> ARRAY_SIZE(vf
->vf_queues
))
1869 for (qid
= txq_id
; qid
< txq_id
+ num_txqs
; qid
++) {
1870 if (vf
->vf_queues
[qid
].txq_active
) {
1871 rc
= qed_sp_eth_tx_queue_stop(p_hwfn
,
1878 vf
->vf_queues
[qid
].txq_active
= false;
1883 static void qed_iov_vf_mbx_stop_rxqs(struct qed_hwfn
*p_hwfn
,
1884 struct qed_ptt
*p_ptt
,
1885 struct qed_vf_info
*vf
)
1887 u16 length
= sizeof(struct pfvf_def_resp_tlv
);
1888 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1889 u8 status
= PFVF_STATUS_SUCCESS
;
1890 struct vfpf_stop_rxqs_tlv
*req
;
1893 /* We give the option of starting from qid != 0, in this case we
1894 * need to make sure that qid + num_qs doesn't exceed the actual
1895 * amount of queues that exist.
1897 req
= &mbx
->req_virt
->stop_rxqs
;
1898 rc
= qed_iov_vf_stop_rxqs(p_hwfn
, vf
, req
->rx_qid
,
1899 req
->num_rxqs
, req
->cqe_completion
);
1901 status
= PFVF_STATUS_FAILURE
;
1903 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_STOP_RXQS
,
1907 static void qed_iov_vf_mbx_stop_txqs(struct qed_hwfn
*p_hwfn
,
1908 struct qed_ptt
*p_ptt
,
1909 struct qed_vf_info
*vf
)
1911 u16 length
= sizeof(struct pfvf_def_resp_tlv
);
1912 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1913 u8 status
= PFVF_STATUS_SUCCESS
;
1914 struct vfpf_stop_txqs_tlv
*req
;
1917 /* We give the option of starting from qid != 0, in this case we
1918 * need to make sure that qid + num_qs doesn't exceed the actual
1919 * amount of queues that exist.
1921 req
= &mbx
->req_virt
->stop_txqs
;
1922 rc
= qed_iov_vf_stop_txqs(p_hwfn
, vf
, req
->tx_qid
, req
->num_txqs
);
1924 status
= PFVF_STATUS_FAILURE
;
1926 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_STOP_TXQS
,
1930 static void qed_iov_vf_mbx_update_rxqs(struct qed_hwfn
*p_hwfn
,
1931 struct qed_ptt
*p_ptt
,
1932 struct qed_vf_info
*vf
)
1934 u16 length
= sizeof(struct pfvf_def_resp_tlv
);
1935 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
1936 struct vfpf_update_rxq_tlv
*req
;
1937 u8 status
= PFVF_STATUS_SUCCESS
;
1938 u8 complete_event_flg
;
1939 u8 complete_cqe_flg
;
1944 req
= &mbx
->req_virt
->update_rxq
;
1945 complete_cqe_flg
= !!(req
->flags
& VFPF_RXQ_UPD_COMPLETE_CQE_FLAG
);
1946 complete_event_flg
= !!(req
->flags
& VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG
);
1948 for (i
= 0; i
< req
->num_rxqs
; i
++) {
1949 qid
= req
->rx_qid
+ i
;
1951 if (!vf
->vf_queues
[qid
].rxq_active
) {
1952 DP_NOTICE(p_hwfn
, "VF rx_qid = %d isn`t active!\n",
1954 status
= PFVF_STATUS_FAILURE
;
1958 rc
= qed_sp_eth_rx_queues_update(p_hwfn
,
1959 vf
->vf_queues
[qid
].fw_rx_qid
,
1963 QED_SPQ_MODE_EBLOCK
, NULL
);
1966 status
= PFVF_STATUS_FAILURE
;
1971 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_UPDATE_RXQ
,
1975 void *qed_iov_search_list_tlvs(struct qed_hwfn
*p_hwfn
,
1976 void *p_tlvs_list
, u16 req_type
)
1978 struct channel_tlv
*p_tlv
= (struct channel_tlv
*)p_tlvs_list
;
1982 if (!p_tlv
->length
) {
1983 DP_NOTICE(p_hwfn
, "Zero length TLV found\n");
1987 if (p_tlv
->type
== req_type
) {
1988 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
1989 "Extended tlv type %d, length %d found\n",
1990 p_tlv
->type
, p_tlv
->length
);
1994 len
+= p_tlv
->length
;
1995 p_tlv
= (struct channel_tlv
*)((u8
*)p_tlv
+ p_tlv
->length
);
1997 if ((len
+ p_tlv
->length
) > TLV_BUFFER_SIZE
) {
1998 DP_NOTICE(p_hwfn
, "TLVs has overrun the buffer size\n");
2001 } while (p_tlv
->type
!= CHANNEL_TLV_LIST_END
);
2007 qed_iov_vp_update_act_param(struct qed_hwfn
*p_hwfn
,
2008 struct qed_sp_vport_update_params
*p_data
,
2009 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2011 struct vfpf_vport_update_activate_tlv
*p_act_tlv
;
2012 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_ACTIVATE
;
2014 p_act_tlv
= (struct vfpf_vport_update_activate_tlv
*)
2015 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2019 p_data
->update_vport_active_rx_flg
= p_act_tlv
->update_rx
;
2020 p_data
->vport_active_rx_flg
= p_act_tlv
->active_rx
;
2021 p_data
->update_vport_active_tx_flg
= p_act_tlv
->update_tx
;
2022 p_data
->vport_active_tx_flg
= p_act_tlv
->active_tx
;
2023 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_ACTIVATE
;
2027 qed_iov_vp_update_vlan_param(struct qed_hwfn
*p_hwfn
,
2028 struct qed_sp_vport_update_params
*p_data
,
2029 struct qed_vf_info
*p_vf
,
2030 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2032 struct vfpf_vport_update_vlan_strip_tlv
*p_vlan_tlv
;
2033 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP
;
2035 p_vlan_tlv
= (struct vfpf_vport_update_vlan_strip_tlv
*)
2036 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2040 p_vf
->shadow_config
.inner_vlan_removal
= p_vlan_tlv
->remove_vlan
;
2042 /* Ignore the VF request if we're forcing a vlan */
2043 if (!(p_vf
->configured_features
& BIT(VLAN_ADDR_FORCED
))) {
2044 p_data
->update_inner_vlan_removal_flg
= 1;
2045 p_data
->inner_vlan_removal_flg
= p_vlan_tlv
->remove_vlan
;
2048 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_VLAN_STRIP
;
2052 qed_iov_vp_update_tx_switch(struct qed_hwfn
*p_hwfn
,
2053 struct qed_sp_vport_update_params
*p_data
,
2054 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2056 struct vfpf_vport_update_tx_switch_tlv
*p_tx_switch_tlv
;
2057 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH
;
2059 p_tx_switch_tlv
= (struct vfpf_vport_update_tx_switch_tlv
*)
2060 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
,
2062 if (!p_tx_switch_tlv
)
2065 p_data
->update_tx_switching_flg
= 1;
2066 p_data
->tx_switching_flg
= p_tx_switch_tlv
->tx_switching
;
2067 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_TX_SWITCH
;
2071 qed_iov_vp_update_mcast_bin_param(struct qed_hwfn
*p_hwfn
,
2072 struct qed_sp_vport_update_params
*p_data
,
2073 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2075 struct vfpf_vport_update_mcast_bin_tlv
*p_mcast_tlv
;
2076 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_MCAST
;
2078 p_mcast_tlv
= (struct vfpf_vport_update_mcast_bin_tlv
*)
2079 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2083 p_data
->update_approx_mcast_flg
= 1;
2084 memcpy(p_data
->bins
, p_mcast_tlv
->bins
,
2085 sizeof(unsigned long) * ETH_MULTICAST_MAC_BINS_IN_REGS
);
2086 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_MCAST
;
2090 qed_iov_vp_update_accept_flag(struct qed_hwfn
*p_hwfn
,
2091 struct qed_sp_vport_update_params
*p_data
,
2092 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2094 struct qed_filter_accept_flags
*p_flags
= &p_data
->accept_flags
;
2095 struct vfpf_vport_update_accept_param_tlv
*p_accept_tlv
;
2096 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM
;
2098 p_accept_tlv
= (struct vfpf_vport_update_accept_param_tlv
*)
2099 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2103 p_flags
->update_rx_mode_config
= p_accept_tlv
->update_rx_mode
;
2104 p_flags
->rx_accept_filter
= p_accept_tlv
->rx_accept_filter
;
2105 p_flags
->update_tx_mode_config
= p_accept_tlv
->update_tx_mode
;
2106 p_flags
->tx_accept_filter
= p_accept_tlv
->tx_accept_filter
;
2107 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_ACCEPT_PARAM
;
2111 qed_iov_vp_update_accept_any_vlan(struct qed_hwfn
*p_hwfn
,
2112 struct qed_sp_vport_update_params
*p_data
,
2113 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2115 struct vfpf_vport_update_accept_any_vlan_tlv
*p_accept_any_vlan
;
2116 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN
;
2118 p_accept_any_vlan
= (struct vfpf_vport_update_accept_any_vlan_tlv
*)
2119 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
,
2121 if (!p_accept_any_vlan
)
2124 p_data
->accept_any_vlan
= p_accept_any_vlan
->accept_any_vlan
;
2125 p_data
->update_accept_any_vlan_flg
=
2126 p_accept_any_vlan
->update_accept_any_vlan_flg
;
2127 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_ACCEPT_ANY_VLAN
;
2131 qed_iov_vp_update_rss_param(struct qed_hwfn
*p_hwfn
,
2132 struct qed_vf_info
*vf
,
2133 struct qed_sp_vport_update_params
*p_data
,
2134 struct qed_rss_params
*p_rss
,
2135 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2137 struct vfpf_vport_update_rss_tlv
*p_rss_tlv
;
2138 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_RSS
;
2139 u16 i
, q_idx
, max_q_idx
;
2142 p_rss_tlv
= (struct vfpf_vport_update_rss_tlv
*)
2143 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2145 p_data
->rss_params
= NULL
;
2149 memset(p_rss
, 0, sizeof(struct qed_rss_params
));
2151 p_rss
->update_rss_config
= !!(p_rss_tlv
->update_rss_flags
&
2152 VFPF_UPDATE_RSS_CONFIG_FLAG
);
2153 p_rss
->update_rss_capabilities
= !!(p_rss_tlv
->update_rss_flags
&
2154 VFPF_UPDATE_RSS_CAPS_FLAG
);
2155 p_rss
->update_rss_ind_table
= !!(p_rss_tlv
->update_rss_flags
&
2156 VFPF_UPDATE_RSS_IND_TABLE_FLAG
);
2157 p_rss
->update_rss_key
= !!(p_rss_tlv
->update_rss_flags
&
2158 VFPF_UPDATE_RSS_KEY_FLAG
);
2160 p_rss
->rss_enable
= p_rss_tlv
->rss_enable
;
2161 p_rss
->rss_eng_id
= vf
->relative_vf_id
+ 1;
2162 p_rss
->rss_caps
= p_rss_tlv
->rss_caps
;
2163 p_rss
->rss_table_size_log
= p_rss_tlv
->rss_table_size_log
;
2164 memcpy(p_rss
->rss_ind_table
, p_rss_tlv
->rss_ind_table
,
2165 sizeof(p_rss
->rss_ind_table
));
2166 memcpy(p_rss
->rss_key
, p_rss_tlv
->rss_key
, sizeof(p_rss
->rss_key
));
2168 table_size
= min_t(u16
, ARRAY_SIZE(p_rss
->rss_ind_table
),
2169 (1 << p_rss_tlv
->rss_table_size_log
));
2171 max_q_idx
= ARRAY_SIZE(vf
->vf_queues
);
2173 for (i
= 0; i
< table_size
; i
++) {
2174 u16 index
= vf
->vf_queues
[0].fw_rx_qid
;
2176 q_idx
= p_rss
->rss_ind_table
[i
];
2177 if (q_idx
>= max_q_idx
)
2179 "rss_ind_table[%d] = %d, rxq is out of range\n",
2181 else if (!vf
->vf_queues
[q_idx
].rxq_active
)
2183 "rss_ind_table[%d] = %d, rxq is not active\n",
2186 index
= vf
->vf_queues
[q_idx
].fw_rx_qid
;
2187 p_rss
->rss_ind_table
[i
] = index
;
2190 p_data
->rss_params
= p_rss
;
2191 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_RSS
;
2195 qed_iov_vp_update_sge_tpa_param(struct qed_hwfn
*p_hwfn
,
2196 struct qed_vf_info
*vf
,
2197 struct qed_sp_vport_update_params
*p_data
,
2198 struct qed_sge_tpa_params
*p_sge_tpa
,
2199 struct qed_iov_vf_mbx
*p_mbx
, u16
*tlvs_mask
)
2201 struct vfpf_vport_update_sge_tpa_tlv
*p_sge_tpa_tlv
;
2202 u16 tlv
= CHANNEL_TLV_VPORT_UPDATE_SGE_TPA
;
2204 p_sge_tpa_tlv
= (struct vfpf_vport_update_sge_tpa_tlv
*)
2205 qed_iov_search_list_tlvs(p_hwfn
, p_mbx
->req_virt
, tlv
);
2207 if (!p_sge_tpa_tlv
) {
2208 p_data
->sge_tpa_params
= NULL
;
2212 memset(p_sge_tpa
, 0, sizeof(struct qed_sge_tpa_params
));
2214 p_sge_tpa
->update_tpa_en_flg
=
2215 !!(p_sge_tpa_tlv
->update_sge_tpa_flags
& VFPF_UPDATE_TPA_EN_FLAG
);
2216 p_sge_tpa
->update_tpa_param_flg
=
2217 !!(p_sge_tpa_tlv
->update_sge_tpa_flags
&
2218 VFPF_UPDATE_TPA_PARAM_FLAG
);
2220 p_sge_tpa
->tpa_ipv4_en_flg
=
2221 !!(p_sge_tpa_tlv
->sge_tpa_flags
& VFPF_TPA_IPV4_EN_FLAG
);
2222 p_sge_tpa
->tpa_ipv6_en_flg
=
2223 !!(p_sge_tpa_tlv
->sge_tpa_flags
& VFPF_TPA_IPV6_EN_FLAG
);
2224 p_sge_tpa
->tpa_pkt_split_flg
=
2225 !!(p_sge_tpa_tlv
->sge_tpa_flags
& VFPF_TPA_PKT_SPLIT_FLAG
);
2226 p_sge_tpa
->tpa_hdr_data_split_flg
=
2227 !!(p_sge_tpa_tlv
->sge_tpa_flags
& VFPF_TPA_HDR_DATA_SPLIT_FLAG
);
2228 p_sge_tpa
->tpa_gro_consistent_flg
=
2229 !!(p_sge_tpa_tlv
->sge_tpa_flags
& VFPF_TPA_GRO_CONSIST_FLAG
);
2231 p_sge_tpa
->tpa_max_aggs_num
= p_sge_tpa_tlv
->tpa_max_aggs_num
;
2232 p_sge_tpa
->tpa_max_size
= p_sge_tpa_tlv
->tpa_max_size
;
2233 p_sge_tpa
->tpa_min_size_to_start
= p_sge_tpa_tlv
->tpa_min_size_to_start
;
2234 p_sge_tpa
->tpa_min_size_to_cont
= p_sge_tpa_tlv
->tpa_min_size_to_cont
;
2235 p_sge_tpa
->max_buffers_per_cqe
= p_sge_tpa_tlv
->max_buffers_per_cqe
;
2237 p_data
->sge_tpa_params
= p_sge_tpa
;
2239 *tlvs_mask
|= 1 << QED_IOV_VP_UPDATE_SGE_TPA
;
2242 static void qed_iov_vf_mbx_vport_update(struct qed_hwfn
*p_hwfn
,
2243 struct qed_ptt
*p_ptt
,
2244 struct qed_vf_info
*vf
)
2246 struct qed_sp_vport_update_params params
;
2247 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
2248 struct qed_sge_tpa_params sge_tpa_params
;
2249 struct qed_rss_params rss_params
;
2250 u8 status
= PFVF_STATUS_SUCCESS
;
2255 /* Valiate PF can send such a request */
2256 if (!vf
->vport_instance
) {
2259 "No VPORT instance available for VF[%d], failing vport update\n",
2261 status
= PFVF_STATUS_FAILURE
;
2265 memset(¶ms
, 0, sizeof(params
));
2266 params
.opaque_fid
= vf
->opaque_fid
;
2267 params
.vport_id
= vf
->vport_id
;
2268 params
.rss_params
= NULL
;
2270 /* Search for extended tlvs list and update values
2271 * from VF in struct qed_sp_vport_update_params.
2273 qed_iov_vp_update_act_param(p_hwfn
, ¶ms
, mbx
, &tlvs_mask
);
2274 qed_iov_vp_update_vlan_param(p_hwfn
, ¶ms
, vf
, mbx
, &tlvs_mask
);
2275 qed_iov_vp_update_tx_switch(p_hwfn
, ¶ms
, mbx
, &tlvs_mask
);
2276 qed_iov_vp_update_mcast_bin_param(p_hwfn
, ¶ms
, mbx
, &tlvs_mask
);
2277 qed_iov_vp_update_accept_flag(p_hwfn
, ¶ms
, mbx
, &tlvs_mask
);
2278 qed_iov_vp_update_rss_param(p_hwfn
, vf
, ¶ms
, &rss_params
,
2280 qed_iov_vp_update_accept_any_vlan(p_hwfn
, ¶ms
, mbx
, &tlvs_mask
);
2281 qed_iov_vp_update_sge_tpa_param(p_hwfn
, vf
, ¶ms
,
2282 &sge_tpa_params
, mbx
, &tlvs_mask
);
2284 /* Just log a message if there is no single extended tlv in buffer.
2285 * When all features of vport update ramrod would be requested by VF
2286 * as extended TLVs in buffer then an error can be returned in response
2287 * if there is no extended TLV present in buffer.
2291 "No feature tlvs found for vport update\n");
2292 status
= PFVF_STATUS_NOT_SUPPORTED
;
2296 rc
= qed_sp_vport_update(p_hwfn
, ¶ms
, QED_SPQ_MODE_EBLOCK
, NULL
);
2299 status
= PFVF_STATUS_FAILURE
;
2302 length
= qed_iov_prep_vp_update_resp_tlvs(p_hwfn
, vf
, mbx
, status
,
2303 tlvs_mask
, tlvs_mask
);
2304 qed_iov_send_response(p_hwfn
, p_ptt
, vf
, length
, status
);
2307 static int qed_iov_vf_update_vlan_shadow(struct qed_hwfn
*p_hwfn
,
2308 struct qed_vf_info
*p_vf
,
2309 struct qed_filter_ucast
*p_params
)
2313 /* First remove entries and then add new ones */
2314 if (p_params
->opcode
== QED_FILTER_REMOVE
) {
2315 for (i
= 0; i
< QED_ETH_VF_NUM_VLAN_FILTERS
+ 1; i
++)
2316 if (p_vf
->shadow_config
.vlans
[i
].used
&&
2317 p_vf
->shadow_config
.vlans
[i
].vid
==
2319 p_vf
->shadow_config
.vlans
[i
].used
= false;
2322 if (i
== QED_ETH_VF_NUM_VLAN_FILTERS
+ 1) {
2325 "VF [%d] - Tries to remove a non-existing vlan\n",
2326 p_vf
->relative_vf_id
);
2329 } else if (p_params
->opcode
== QED_FILTER_REPLACE
||
2330 p_params
->opcode
== QED_FILTER_FLUSH
) {
2331 for (i
= 0; i
< QED_ETH_VF_NUM_VLAN_FILTERS
+ 1; i
++)
2332 p_vf
->shadow_config
.vlans
[i
].used
= false;
2335 /* In forced mode, we're willing to remove entries - but we don't add
2338 if (p_vf
->bulletin
.p_virt
->valid_bitmap
& BIT(VLAN_ADDR_FORCED
))
2341 if (p_params
->opcode
== QED_FILTER_ADD
||
2342 p_params
->opcode
== QED_FILTER_REPLACE
) {
2343 for (i
= 0; i
< QED_ETH_VF_NUM_VLAN_FILTERS
+ 1; i
++) {
2344 if (p_vf
->shadow_config
.vlans
[i
].used
)
2347 p_vf
->shadow_config
.vlans
[i
].used
= true;
2348 p_vf
->shadow_config
.vlans
[i
].vid
= p_params
->vlan
;
2352 if (i
== QED_ETH_VF_NUM_VLAN_FILTERS
+ 1) {
2355 "VF [%d] - Tries to configure more than %d vlan filters\n",
2356 p_vf
->relative_vf_id
,
2357 QED_ETH_VF_NUM_VLAN_FILTERS
+ 1);
2365 static int qed_iov_vf_update_mac_shadow(struct qed_hwfn
*p_hwfn
,
2366 struct qed_vf_info
*p_vf
,
2367 struct qed_filter_ucast
*p_params
)
2371 /* If we're in forced-mode, we don't allow any change */
2372 if (p_vf
->bulletin
.p_virt
->valid_bitmap
& BIT(MAC_ADDR_FORCED
))
2375 /* First remove entries and then add new ones */
2376 if (p_params
->opcode
== QED_FILTER_REMOVE
) {
2377 for (i
= 0; i
< QED_ETH_VF_NUM_MAC_FILTERS
; i
++) {
2378 if (ether_addr_equal(p_vf
->shadow_config
.macs
[i
],
2380 memset(p_vf
->shadow_config
.macs
[i
], 0,
2386 if (i
== QED_ETH_VF_NUM_MAC_FILTERS
) {
2387 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2388 "MAC isn't configured\n");
2391 } else if (p_params
->opcode
== QED_FILTER_REPLACE
||
2392 p_params
->opcode
== QED_FILTER_FLUSH
) {
2393 for (i
= 0; i
< QED_ETH_VF_NUM_MAC_FILTERS
; i
++)
2394 memset(p_vf
->shadow_config
.macs
[i
], 0, ETH_ALEN
);
2397 /* List the new MAC address */
2398 if (p_params
->opcode
!= QED_FILTER_ADD
&&
2399 p_params
->opcode
!= QED_FILTER_REPLACE
)
2402 for (i
= 0; i
< QED_ETH_VF_NUM_MAC_FILTERS
; i
++) {
2403 if (is_zero_ether_addr(p_vf
->shadow_config
.macs
[i
])) {
2404 ether_addr_copy(p_vf
->shadow_config
.macs
[i
],
2406 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2407 "Added MAC at %d entry in shadow\n", i
);
2412 if (i
== QED_ETH_VF_NUM_MAC_FILTERS
) {
2413 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
, "No available place for MAC\n");
2421 qed_iov_vf_update_unicast_shadow(struct qed_hwfn
*p_hwfn
,
2422 struct qed_vf_info
*p_vf
,
2423 struct qed_filter_ucast
*p_params
)
2427 if (p_params
->type
== QED_FILTER_MAC
) {
2428 rc
= qed_iov_vf_update_mac_shadow(p_hwfn
, p_vf
, p_params
);
2433 if (p_params
->type
== QED_FILTER_VLAN
)
2434 rc
= qed_iov_vf_update_vlan_shadow(p_hwfn
, p_vf
, p_params
);
2439 int qed_iov_chk_ucast(struct qed_hwfn
*hwfn
,
2440 int vfid
, struct qed_filter_ucast
*params
)
2442 struct qed_public_vf_info
*vf
;
2444 vf
= qed_iov_get_public_vf_info(hwfn
, vfid
, true);
2448 /* No real decision to make; Store the configured MAC */
2449 if (params
->type
== QED_FILTER_MAC
||
2450 params
->type
== QED_FILTER_MAC_VLAN
)
2451 ether_addr_copy(vf
->mac
, params
->mac
);
2456 static void qed_iov_vf_mbx_ucast_filter(struct qed_hwfn
*p_hwfn
,
2457 struct qed_ptt
*p_ptt
,
2458 struct qed_vf_info
*vf
)
2460 struct qed_bulletin_content
*p_bulletin
= vf
->bulletin
.p_virt
;
2461 struct qed_iov_vf_mbx
*mbx
= &vf
->vf_mbx
;
2462 struct vfpf_ucast_filter_tlv
*req
;
2463 u8 status
= PFVF_STATUS_SUCCESS
;
2464 struct qed_filter_ucast params
;
2467 /* Prepare the unicast filter params */
2468 memset(¶ms
, 0, sizeof(struct qed_filter_ucast
));
2469 req
= &mbx
->req_virt
->ucast_filter
;
2470 params
.opcode
= (enum qed_filter_opcode
)req
->opcode
;
2471 params
.type
= (enum qed_filter_ucast_type
)req
->type
;
2473 params
.is_rx_filter
= 1;
2474 params
.is_tx_filter
= 1;
2475 params
.vport_to_remove_from
= vf
->vport_id
;
2476 params
.vport_to_add_to
= vf
->vport_id
;
2477 memcpy(params
.mac
, req
->mac
, ETH_ALEN
);
2478 params
.vlan
= req
->vlan
;
2482 "VF[%d]: opcode 0x%02x type 0x%02x [%s %s] [vport 0x%02x] MAC %02x:%02x:%02x:%02x:%02x:%02x, vlan 0x%04x\n",
2483 vf
->abs_vf_id
, params
.opcode
, params
.type
,
2484 params
.is_rx_filter
? "RX" : "",
2485 params
.is_tx_filter
? "TX" : "",
2486 params
.vport_to_add_to
,
2487 params
.mac
[0], params
.mac
[1],
2488 params
.mac
[2], params
.mac
[3],
2489 params
.mac
[4], params
.mac
[5], params
.vlan
);
2491 if (!vf
->vport_instance
) {
2494 "No VPORT instance available for VF[%d], failing ucast MAC configuration\n",
2496 status
= PFVF_STATUS_FAILURE
;
2500 /* Update shadow copy of the VF configuration */
2501 if (qed_iov_vf_update_unicast_shadow(p_hwfn
, vf
, ¶ms
)) {
2502 status
= PFVF_STATUS_FAILURE
;
2506 /* Determine if the unicast filtering is acceptible by PF */
2507 if ((p_bulletin
->valid_bitmap
& BIT(VLAN_ADDR_FORCED
)) &&
2508 (params
.type
== QED_FILTER_VLAN
||
2509 params
.type
== QED_FILTER_MAC_VLAN
)) {
2510 /* Once VLAN is forced or PVID is set, do not allow
2511 * to add/replace any further VLANs.
2513 if (params
.opcode
== QED_FILTER_ADD
||
2514 params
.opcode
== QED_FILTER_REPLACE
)
2515 status
= PFVF_STATUS_FORCED
;
2519 if ((p_bulletin
->valid_bitmap
& BIT(MAC_ADDR_FORCED
)) &&
2520 (params
.type
== QED_FILTER_MAC
||
2521 params
.type
== QED_FILTER_MAC_VLAN
)) {
2522 if (!ether_addr_equal(p_bulletin
->mac
, params
.mac
) ||
2523 (params
.opcode
!= QED_FILTER_ADD
&&
2524 params
.opcode
!= QED_FILTER_REPLACE
))
2525 status
= PFVF_STATUS_FORCED
;
2529 rc
= qed_iov_chk_ucast(p_hwfn
, vf
->relative_vf_id
, ¶ms
);
2531 status
= PFVF_STATUS_FAILURE
;
2535 rc
= qed_sp_eth_filter_ucast(p_hwfn
, vf
->opaque_fid
, ¶ms
,
2536 QED_SPQ_MODE_CB
, NULL
);
2538 status
= PFVF_STATUS_FAILURE
;
2541 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_UCAST_FILTER
,
2542 sizeof(struct pfvf_def_resp_tlv
), status
);
2545 static void qed_iov_vf_mbx_int_cleanup(struct qed_hwfn
*p_hwfn
,
2546 struct qed_ptt
*p_ptt
,
2547 struct qed_vf_info
*vf
)
2552 for (i
= 0; i
< vf
->num_sbs
; i
++)
2553 qed_int_igu_init_pure_rt_single(p_hwfn
, p_ptt
,
2555 vf
->opaque_fid
, false);
2557 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_INT_CLEANUP
,
2558 sizeof(struct pfvf_def_resp_tlv
),
2559 PFVF_STATUS_SUCCESS
);
2562 static void qed_iov_vf_mbx_close(struct qed_hwfn
*p_hwfn
,
2563 struct qed_ptt
*p_ptt
, struct qed_vf_info
*vf
)
2565 u16 length
= sizeof(struct pfvf_def_resp_tlv
);
2566 u8 status
= PFVF_STATUS_SUCCESS
;
2568 /* Disable Interrupts for VF */
2569 qed_iov_vf_igu_set_int(p_hwfn
, p_ptt
, vf
, 0);
2571 /* Reset Permission table */
2572 qed_iov_config_perm_table(p_hwfn
, p_ptt
, vf
, 0);
2574 qed_iov_prepare_resp(p_hwfn
, p_ptt
, vf
, CHANNEL_TLV_CLOSE
,
2578 static void qed_iov_vf_mbx_release(struct qed_hwfn
*p_hwfn
,
2579 struct qed_ptt
*p_ptt
,
2580 struct qed_vf_info
*p_vf
)
2582 u16 length
= sizeof(struct pfvf_def_resp_tlv
);
2583 u8 status
= PFVF_STATUS_SUCCESS
;
2586 qed_iov_vf_cleanup(p_hwfn
, p_vf
);
2588 if (p_vf
->state
!= VF_STOPPED
&& p_vf
->state
!= VF_FREE
) {
2589 /* Stopping the VF */
2590 rc
= qed_sp_vf_stop(p_hwfn
, p_vf
->concrete_fid
,
2594 DP_ERR(p_hwfn
, "qed_sp_vf_stop returned error %d\n",
2596 status
= PFVF_STATUS_FAILURE
;
2599 p_vf
->state
= VF_STOPPED
;
2602 qed_iov_prepare_resp(p_hwfn
, p_ptt
, p_vf
, CHANNEL_TLV_RELEASE
,
2607 qed_iov_vf_flr_poll_dorq(struct qed_hwfn
*p_hwfn
,
2608 struct qed_vf_info
*p_vf
, struct qed_ptt
*p_ptt
)
2613 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) p_vf
->concrete_fid
);
2615 for (cnt
= 0; cnt
< 50; cnt
++) {
2616 val
= qed_rd(p_hwfn
, p_ptt
, DORQ_REG_VF_USAGE_CNT
);
2621 qed_fid_pretend(p_hwfn
, p_ptt
, (u16
) p_hwfn
->hw_info
.concrete_fid
);
2625 "VF[%d] - dorq failed to cleanup [usage 0x%08x]\n",
2626 p_vf
->abs_vf_id
, val
);
2634 qed_iov_vf_flr_poll_pbf(struct qed_hwfn
*p_hwfn
,
2635 struct qed_vf_info
*p_vf
, struct qed_ptt
*p_ptt
)
2637 u32 cons
[MAX_NUM_VOQS
], distance
[MAX_NUM_VOQS
];
2640 /* Read initial consumers & producers */
2641 for (i
= 0; i
< MAX_NUM_VOQS
; i
++) {
2644 cons
[i
] = qed_rd(p_hwfn
, p_ptt
,
2645 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0
+
2647 prod
= qed_rd(p_hwfn
, p_ptt
,
2648 PBF_REG_NUM_BLOCKS_ALLOCATED_PROD_VOQ0
+
2650 distance
[i
] = prod
- cons
[i
];
2653 /* Wait for consumers to pass the producers */
2655 for (cnt
= 0; cnt
< 50; cnt
++) {
2656 for (; i
< MAX_NUM_VOQS
; i
++) {
2659 tmp
= qed_rd(p_hwfn
, p_ptt
,
2660 PBF_REG_NUM_BLOCKS_ALLOCATED_CONS_VOQ0
+
2662 if (distance
[i
] > tmp
- cons
[i
])
2666 if (i
== MAX_NUM_VOQS
)
2673 DP_ERR(p_hwfn
, "VF[%d] - pbf polling failed on VOQ %d\n",
2674 p_vf
->abs_vf_id
, i
);
2681 static int qed_iov_vf_flr_poll(struct qed_hwfn
*p_hwfn
,
2682 struct qed_vf_info
*p_vf
, struct qed_ptt
*p_ptt
)
2686 rc
= qed_iov_vf_flr_poll_dorq(p_hwfn
, p_vf
, p_ptt
);
2690 rc
= qed_iov_vf_flr_poll_pbf(p_hwfn
, p_vf
, p_ptt
);
2698 qed_iov_execute_vf_flr_cleanup(struct qed_hwfn
*p_hwfn
,
2699 struct qed_ptt
*p_ptt
,
2700 u16 rel_vf_id
, u32
*ack_vfs
)
2702 struct qed_vf_info
*p_vf
;
2705 p_vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, false);
2709 if (p_hwfn
->pf_iov_info
->pending_flr
[rel_vf_id
/ 64] &
2710 (1ULL << (rel_vf_id
% 64))) {
2711 u16 vfid
= p_vf
->abs_vf_id
;
2713 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2714 "VF[%d] - Handling FLR\n", vfid
);
2716 qed_iov_vf_cleanup(p_hwfn
, p_vf
);
2718 /* If VF isn't active, no need for anything but SW */
2722 rc
= qed_iov_vf_flr_poll(p_hwfn
, p_vf
, p_ptt
);
2726 rc
= qed_final_cleanup(p_hwfn
, p_ptt
, vfid
, true);
2728 DP_ERR(p_hwfn
, "Failed handle FLR of VF[%d]\n", vfid
);
2732 /* VF_STOPPED has to be set only after final cleanup
2733 * but prior to re-enabling the VF.
2735 p_vf
->state
= VF_STOPPED
;
2737 rc
= qed_iov_enable_vf_access(p_hwfn
, p_ptt
, p_vf
);
2739 DP_ERR(p_hwfn
, "Failed to re-enable VF[%d] acces\n",
2744 /* Mark VF for ack and clean pending state */
2745 if (p_vf
->state
== VF_RESET
)
2746 p_vf
->state
= VF_STOPPED
;
2747 ack_vfs
[vfid
/ 32] |= BIT((vfid
% 32));
2748 p_hwfn
->pf_iov_info
->pending_flr
[rel_vf_id
/ 64] &=
2749 ~(1ULL << (rel_vf_id
% 64));
2750 p_hwfn
->pf_iov_info
->pending_events
[rel_vf_id
/ 64] &=
2751 ~(1ULL << (rel_vf_id
% 64));
2757 int qed_iov_vf_flr_cleanup(struct qed_hwfn
*p_hwfn
, struct qed_ptt
*p_ptt
)
2759 u32 ack_vfs
[VF_MAX_STATIC
/ 32];
2763 memset(ack_vfs
, 0, sizeof(u32
) * (VF_MAX_STATIC
/ 32));
2765 /* Since BRB <-> PRS interface can't be tested as part of the flr
2766 * polling due to HW limitations, simply sleep a bit. And since
2767 * there's no need to wait per-vf, do it before looping.
2771 for (i
= 0; i
< p_hwfn
->cdev
->p_iov_info
->total_vfs
; i
++)
2772 qed_iov_execute_vf_flr_cleanup(p_hwfn
, p_ptt
, i
, ack_vfs
);
2774 rc
= qed_mcp_ack_vf_flr(p_hwfn
, p_ptt
, ack_vfs
);
2778 int qed_iov_mark_vf_flr(struct qed_hwfn
*p_hwfn
, u32
*p_disabled_vfs
)
2782 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
, "Marking FLR-ed VFs\n");
2783 for (i
= 0; i
< (VF_MAX_STATIC
/ 32); i
++)
2784 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2785 "[%08x,...,%08x]: %08x\n",
2786 i
* 32, (i
+ 1) * 32 - 1, p_disabled_vfs
[i
]);
2788 if (!p_hwfn
->cdev
->p_iov_info
) {
2789 DP_NOTICE(p_hwfn
, "VF flr but no IOV\n");
2794 for (i
= 0; i
< p_hwfn
->cdev
->p_iov_info
->total_vfs
; i
++) {
2795 struct qed_vf_info
*p_vf
;
2798 p_vf
= qed_iov_get_vf_info(p_hwfn
, i
, false);
2802 vfid
= p_vf
->abs_vf_id
;
2803 if (BIT((vfid
% 32)) & p_disabled_vfs
[vfid
/ 32]) {
2804 u64
*p_flr
= p_hwfn
->pf_iov_info
->pending_flr
;
2805 u16 rel_vf_id
= p_vf
->relative_vf_id
;
2807 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2808 "VF[%d] [rel %d] got FLR-ed\n",
2811 p_vf
->state
= VF_RESET
;
2813 /* No need to lock here, since pending_flr should
2814 * only change here and before ACKing MFw. Since
2815 * MFW will not trigger an additional attention for
2816 * VF flr until ACKs, we're safe.
2818 p_flr
[rel_vf_id
/ 64] |= 1ULL << (rel_vf_id
% 64);
2826 static void qed_iov_get_link(struct qed_hwfn
*p_hwfn
,
2828 struct qed_mcp_link_params
*p_params
,
2829 struct qed_mcp_link_state
*p_link
,
2830 struct qed_mcp_link_capabilities
*p_caps
)
2832 struct qed_vf_info
*p_vf
= qed_iov_get_vf_info(p_hwfn
,
2835 struct qed_bulletin_content
*p_bulletin
;
2840 p_bulletin
= p_vf
->bulletin
.p_virt
;
2843 __qed_vf_get_link_params(p_hwfn
, p_params
, p_bulletin
);
2845 __qed_vf_get_link_state(p_hwfn
, p_link
, p_bulletin
);
2847 __qed_vf_get_link_caps(p_hwfn
, p_caps
, p_bulletin
);
2850 static void qed_iov_process_mbx_req(struct qed_hwfn
*p_hwfn
,
2851 struct qed_ptt
*p_ptt
, int vfid
)
2853 struct qed_iov_vf_mbx
*mbx
;
2854 struct qed_vf_info
*p_vf
;
2856 p_vf
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
2860 mbx
= &p_vf
->vf_mbx
;
2862 /* qed_iov_process_mbx_request */
2863 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
2864 "VF[%02x]: Processing mailbox message\n", p_vf
->abs_vf_id
);
2866 mbx
->first_tlv
= mbx
->req_virt
->first_tlv
;
2868 /* check if tlv type is known */
2869 if (qed_iov_tlv_supported(mbx
->first_tlv
.tl
.type
)) {
2870 switch (mbx
->first_tlv
.tl
.type
) {
2871 case CHANNEL_TLV_ACQUIRE
:
2872 qed_iov_vf_mbx_acquire(p_hwfn
, p_ptt
, p_vf
);
2874 case CHANNEL_TLV_VPORT_START
:
2875 qed_iov_vf_mbx_start_vport(p_hwfn
, p_ptt
, p_vf
);
2877 case CHANNEL_TLV_VPORT_TEARDOWN
:
2878 qed_iov_vf_mbx_stop_vport(p_hwfn
, p_ptt
, p_vf
);
2880 case CHANNEL_TLV_START_RXQ
:
2881 qed_iov_vf_mbx_start_rxq(p_hwfn
, p_ptt
, p_vf
);
2883 case CHANNEL_TLV_START_TXQ
:
2884 qed_iov_vf_mbx_start_txq(p_hwfn
, p_ptt
, p_vf
);
2886 case CHANNEL_TLV_STOP_RXQS
:
2887 qed_iov_vf_mbx_stop_rxqs(p_hwfn
, p_ptt
, p_vf
);
2889 case CHANNEL_TLV_STOP_TXQS
:
2890 qed_iov_vf_mbx_stop_txqs(p_hwfn
, p_ptt
, p_vf
);
2892 case CHANNEL_TLV_UPDATE_RXQ
:
2893 qed_iov_vf_mbx_update_rxqs(p_hwfn
, p_ptt
, p_vf
);
2895 case CHANNEL_TLV_VPORT_UPDATE
:
2896 qed_iov_vf_mbx_vport_update(p_hwfn
, p_ptt
, p_vf
);
2898 case CHANNEL_TLV_UCAST_FILTER
:
2899 qed_iov_vf_mbx_ucast_filter(p_hwfn
, p_ptt
, p_vf
);
2901 case CHANNEL_TLV_CLOSE
:
2902 qed_iov_vf_mbx_close(p_hwfn
, p_ptt
, p_vf
);
2904 case CHANNEL_TLV_INT_CLEANUP
:
2905 qed_iov_vf_mbx_int_cleanup(p_hwfn
, p_ptt
, p_vf
);
2907 case CHANNEL_TLV_RELEASE
:
2908 qed_iov_vf_mbx_release(p_hwfn
, p_ptt
, p_vf
);
2912 /* unknown TLV - this may belong to a VF driver from the future
2913 * - a version written after this PF driver was written, which
2914 * supports features unknown as of yet. Too bad since we don't
2915 * support them. Or this may be because someone wrote a crappy
2916 * VF driver and is sending garbage over the channel.
2919 "VF[%02x]: unknown TLV. type %04x length %04x padding %08x reply address %llu\n",
2921 mbx
->first_tlv
.tl
.type
,
2922 mbx
->first_tlv
.tl
.length
,
2923 mbx
->first_tlv
.padding
, mbx
->first_tlv
.reply_address
);
2925 /* Try replying in case reply address matches the acquisition's
2928 if (p_vf
->acquire
.first_tlv
.reply_address
&&
2929 (mbx
->first_tlv
.reply_address
==
2930 p_vf
->acquire
.first_tlv
.reply_address
)) {
2931 qed_iov_prepare_resp(p_hwfn
, p_ptt
, p_vf
,
2932 mbx
->first_tlv
.tl
.type
,
2933 sizeof(struct pfvf_def_resp_tlv
),
2934 PFVF_STATUS_NOT_SUPPORTED
);
2938 "VF[%02x]: Can't respond to TLV - no valid reply address\n",
2944 void qed_iov_pf_add_pending_events(struct qed_hwfn
*p_hwfn
, u8 vfid
)
2946 u64 add_bit
= 1ULL << (vfid
% 64);
2948 p_hwfn
->pf_iov_info
->pending_events
[vfid
/ 64] |= add_bit
;
2951 static void qed_iov_pf_get_and_clear_pending_events(struct qed_hwfn
*p_hwfn
,
2954 u64
*p_pending_events
= p_hwfn
->pf_iov_info
->pending_events
;
2956 memcpy(events
, p_pending_events
, sizeof(u64
) * QED_VF_ARRAY_LENGTH
);
2957 memset(p_pending_events
, 0, sizeof(u64
) * QED_VF_ARRAY_LENGTH
);
2960 static int qed_sriov_vfpf_msg(struct qed_hwfn
*p_hwfn
,
2961 u16 abs_vfid
, struct regpair
*vf_msg
)
2963 u8 min
= (u8
)p_hwfn
->cdev
->p_iov_info
->first_vf_in_pf
;
2964 struct qed_vf_info
*p_vf
;
2966 if (!qed_iov_pf_sanity_check(p_hwfn
, (int)abs_vfid
- min
)) {
2969 "Got a message from VF [abs 0x%08x] that cannot be handled by PF\n",
2973 p_vf
= &p_hwfn
->pf_iov_info
->vfs_array
[(u8
)abs_vfid
- min
];
2975 /* List the physical address of the request so that handler
2976 * could later on copy the message from it.
2978 p_vf
->vf_mbx
.pending_req
= (((u64
)vf_msg
->hi
) << 32) | vf_msg
->lo
;
2980 /* Mark the event and schedule the workqueue */
2981 qed_iov_pf_add_pending_events(p_hwfn
, p_vf
->relative_vf_id
);
2982 qed_schedule_iov(p_hwfn
, QED_IOV_WQ_MSG_FLAG
);
2987 int qed_sriov_eqe_event(struct qed_hwfn
*p_hwfn
,
2988 u8 opcode
, __le16 echo
, union event_ring_data
*data
)
2991 case COMMON_EVENT_VF_PF_CHANNEL
:
2992 return qed_sriov_vfpf_msg(p_hwfn
, le16_to_cpu(echo
),
2993 &data
->vf_pf_channel
.msg_addr
);
2995 DP_INFO(p_hwfn
->cdev
, "Unknown sriov eqe event 0x%02x\n",
3001 u16
qed_iov_get_next_active_vf(struct qed_hwfn
*p_hwfn
, u16 rel_vf_id
)
3003 struct qed_hw_sriov_info
*p_iov
= p_hwfn
->cdev
->p_iov_info
;
3009 for (i
= rel_vf_id
; i
< p_iov
->total_vfs
; i
++)
3010 if (qed_iov_is_valid_vfid(p_hwfn
, rel_vf_id
, true))
3017 static int qed_iov_copy_vf_msg(struct qed_hwfn
*p_hwfn
, struct qed_ptt
*ptt
,
3020 struct qed_dmae_params params
;
3021 struct qed_vf_info
*vf_info
;
3023 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3027 memset(¶ms
, 0, sizeof(struct qed_dmae_params
));
3028 params
.flags
= QED_DMAE_FLAG_VF_SRC
| QED_DMAE_FLAG_COMPLETION_DST
;
3029 params
.src_vfid
= vf_info
->abs_vf_id
;
3031 if (qed_dmae_host2host(p_hwfn
, ptt
,
3032 vf_info
->vf_mbx
.pending_req
,
3033 vf_info
->vf_mbx
.req_phys
,
3034 sizeof(union vfpf_tlvs
) / 4, ¶ms
)) {
3035 DP_VERBOSE(p_hwfn
, QED_MSG_IOV
,
3036 "Failed to copy message from VF 0x%02x\n", vfid
);
3044 static void qed_iov_bulletin_set_forced_mac(struct qed_hwfn
*p_hwfn
,
3047 struct qed_vf_info
*vf_info
;
3050 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
)vfid
, true);
3052 DP_NOTICE(p_hwfn
->cdev
,
3053 "Can not set forced MAC, invalid vfid [%d]\n", vfid
);
3057 feature
= 1 << MAC_ADDR_FORCED
;
3058 memcpy(vf_info
->bulletin
.p_virt
->mac
, mac
, ETH_ALEN
);
3060 vf_info
->bulletin
.p_virt
->valid_bitmap
|= feature
;
3061 /* Forced MAC will disable MAC_ADDR */
3062 vf_info
->bulletin
.p_virt
->valid_bitmap
&= ~BIT(VFPF_BULLETIN_MAC_ADDR
);
3064 qed_iov_configure_vport_forced(p_hwfn
, vf_info
, feature
);
3067 void qed_iov_bulletin_set_forced_vlan(struct qed_hwfn
*p_hwfn
,
3070 struct qed_vf_info
*vf_info
;
3073 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3075 DP_NOTICE(p_hwfn
->cdev
,
3076 "Can not set forced MAC, invalid vfid [%d]\n", vfid
);
3080 feature
= 1 << VLAN_ADDR_FORCED
;
3081 vf_info
->bulletin
.p_virt
->pvid
= pvid
;
3083 vf_info
->bulletin
.p_virt
->valid_bitmap
|= feature
;
3085 vf_info
->bulletin
.p_virt
->valid_bitmap
&= ~feature
;
3087 qed_iov_configure_vport_forced(p_hwfn
, vf_info
, feature
);
3090 static bool qed_iov_vf_has_vport_instance(struct qed_hwfn
*p_hwfn
, int vfid
)
3092 struct qed_vf_info
*p_vf_info
;
3094 p_vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3098 return !!p_vf_info
->vport_instance
;
3101 bool qed_iov_is_vf_stopped(struct qed_hwfn
*p_hwfn
, int vfid
)
3103 struct qed_vf_info
*p_vf_info
;
3105 p_vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3109 return p_vf_info
->state
== VF_STOPPED
;
3112 static bool qed_iov_spoofchk_get(struct qed_hwfn
*p_hwfn
, int vfid
)
3114 struct qed_vf_info
*vf_info
;
3116 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3120 return vf_info
->spoof_chk
;
3123 int qed_iov_spoofchk_set(struct qed_hwfn
*p_hwfn
, int vfid
, bool val
)
3125 struct qed_vf_info
*vf
;
3128 if (!qed_iov_pf_sanity_check(p_hwfn
, vfid
)) {
3130 "SR-IOV sanity check failed, can't set spoofchk\n");
3134 vf
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3138 if (!qed_iov_vf_has_vport_instance(p_hwfn
, vfid
)) {
3139 /* After VF VPORT start PF will configure spoof check */
3140 vf
->req_spoofchk_val
= val
;
3145 rc
= __qed_iov_spoofchk_set(p_hwfn
, vf
, val
);
3151 static u8
*qed_iov_bulletin_get_forced_mac(struct qed_hwfn
*p_hwfn
,
3154 struct qed_vf_info
*p_vf
;
3156 p_vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, true);
3157 if (!p_vf
|| !p_vf
->bulletin
.p_virt
)
3160 if (!(p_vf
->bulletin
.p_virt
->valid_bitmap
& BIT(MAC_ADDR_FORCED
)))
3163 return p_vf
->bulletin
.p_virt
->mac
;
3166 u16
qed_iov_bulletin_get_forced_vlan(struct qed_hwfn
*p_hwfn
, u16 rel_vf_id
)
3168 struct qed_vf_info
*p_vf
;
3170 p_vf
= qed_iov_get_vf_info(p_hwfn
, rel_vf_id
, true);
3171 if (!p_vf
|| !p_vf
->bulletin
.p_virt
)
3174 if (!(p_vf
->bulletin
.p_virt
->valid_bitmap
& BIT(VLAN_ADDR_FORCED
)))
3177 return p_vf
->bulletin
.p_virt
->pvid
;
3180 static int qed_iov_configure_tx_rate(struct qed_hwfn
*p_hwfn
,
3181 struct qed_ptt
*p_ptt
, int vfid
, int val
)
3183 struct qed_vf_info
*vf
;
3187 vf
= qed_iov_get_vf_info(p_hwfn
, (u16
)vfid
, true);
3191 rc
= qed_fw_vport(p_hwfn
, vf
->vport_id
, &abs_vp_id
);
3195 return qed_init_vport_rl(p_hwfn
, p_ptt
, abs_vp_id
, (u32
)val
);
3198 int qed_iov_configure_min_tx_rate(struct qed_dev
*cdev
, int vfid
, u32 rate
)
3200 struct qed_vf_info
*vf
;
3204 for_each_hwfn(cdev
, i
) {
3205 struct qed_hwfn
*p_hwfn
= &cdev
->hwfns
[i
];
3207 if (!qed_iov_pf_sanity_check(p_hwfn
, vfid
)) {
3209 "SR-IOV sanity check failed, can't set min rate\n");
3214 vf
= qed_iov_get_vf_info(QED_LEADING_HWFN(cdev
), (u16
)vfid
, true);
3215 vport_id
= vf
->vport_id
;
3217 return qed_configure_vport_wfq(cdev
, vport_id
, rate
);
3220 static int qed_iov_get_vf_min_rate(struct qed_hwfn
*p_hwfn
, int vfid
)
3222 struct qed_wfq_data
*vf_vp_wfq
;
3223 struct qed_vf_info
*vf_info
;
3225 vf_info
= qed_iov_get_vf_info(p_hwfn
, (u16
) vfid
, true);
3229 vf_vp_wfq
= &p_hwfn
->qm_info
.wfq_data
[vf_info
->vport_id
];
3231 if (vf_vp_wfq
->configured
)
3232 return vf_vp_wfq
->min_speed
;
3238 * qed_schedule_iov - schedules IOV task for VF and PF
3239 * @hwfn: hardware function pointer
3240 * @flag: IOV flag for VF/PF
3242 void qed_schedule_iov(struct qed_hwfn
*hwfn
, enum qed_iov_wq_flag flag
)
3244 smp_mb__before_atomic();
3245 set_bit(flag
, &hwfn
->iov_task_flags
);
3246 smp_mb__after_atomic();
3247 DP_VERBOSE(hwfn
, QED_MSG_IOV
, "Scheduling iov task [Flag: %d]\n", flag
);
3248 queue_delayed_work(hwfn
->iov_wq
, &hwfn
->iov_task
, 0);
3251 void qed_vf_start_iov_wq(struct qed_dev
*cdev
)
3255 for_each_hwfn(cdev
, i
)
3256 queue_delayed_work(cdev
->hwfns
[i
].iov_wq
,
3257 &cdev
->hwfns
[i
].iov_task
, 0);
3260 int qed_sriov_disable(struct qed_dev
*cdev
, bool pci_enabled
)
3264 for_each_hwfn(cdev
, i
)
3265 if (cdev
->hwfns
[i
].iov_wq
)
3266 flush_workqueue(cdev
->hwfns
[i
].iov_wq
);
3268 /* Mark VFs for disablement */
3269 qed_iov_set_vfs_to_disable(cdev
, true);
3271 if (cdev
->p_iov_info
&& cdev
->p_iov_info
->num_vfs
&& pci_enabled
)
3272 pci_disable_sriov(cdev
->pdev
);
3274 for_each_hwfn(cdev
, i
) {
3275 struct qed_hwfn
*hwfn
= &cdev
->hwfns
[i
];
3276 struct qed_ptt
*ptt
= qed_ptt_acquire(hwfn
);
3278 /* Failure to acquire the ptt in 100g creates an odd error
3279 * where the first engine has already relased IOV.
3282 DP_ERR(hwfn
, "Failed to acquire ptt\n");
3286 /* Clean WFQ db and configure equal weight for all vports */
3287 qed_clean_wfq_db(hwfn
, ptt
);
3289 qed_for_each_vf(hwfn
, j
) {
3292 if (!qed_iov_is_valid_vfid(hwfn
, j
, true))
3295 /* Wait until VF is disabled before releasing */
3296 for (k
= 0; k
< 100; k
++) {
3297 if (!qed_iov_is_vf_stopped(hwfn
, j
))
3304 qed_iov_release_hw_for_vf(&cdev
->hwfns
[i
],
3308 "Timeout waiting for VF's FLR to end\n");
3311 qed_ptt_release(hwfn
, ptt
);
3314 qed_iov_set_vfs_to_disable(cdev
, false);
3319 static int qed_sriov_enable(struct qed_dev
*cdev
, int num
)
3321 struct qed_sb_cnt_info sb_cnt_info
;
3324 if (num
>= RESC_NUM(&cdev
->hwfns
[0], QED_VPORT
)) {
3325 DP_NOTICE(cdev
, "Can start at most %d VFs\n",
3326 RESC_NUM(&cdev
->hwfns
[0], QED_VPORT
) - 1);
3330 /* Initialize HW for VF access */
3331 for_each_hwfn(cdev
, j
) {
3332 struct qed_hwfn
*hwfn
= &cdev
->hwfns
[j
];
3333 struct qed_ptt
*ptt
= qed_ptt_acquire(hwfn
);
3334 int num_sbs
= 0, limit
= 16;
3337 DP_ERR(hwfn
, "Failed to acquire ptt\n");
3342 if (IS_MF_DEFAULT(hwfn
))
3343 limit
= MAX_NUM_VFS_BB
/ hwfn
->num_funcs_on_engine
;
3345 memset(&sb_cnt_info
, 0, sizeof(sb_cnt_info
));
3346 qed_int_get_num_sbs(hwfn
, &sb_cnt_info
);
3347 num_sbs
= min_t(int, sb_cnt_info
.sb_free_blk
, limit
);
3349 for (i
= 0; i
< num
; i
++) {
3350 if (!qed_iov_is_valid_vfid(hwfn
, i
, false))
3353 rc
= qed_iov_init_hw_for_vf(hwfn
,
3354 ptt
, i
, num_sbs
/ num
);
3356 DP_ERR(cdev
, "Failed to enable VF[%d]\n", i
);
3357 qed_ptt_release(hwfn
, ptt
);
3362 qed_ptt_release(hwfn
, ptt
);
3365 /* Enable SRIOV PCIe functions */
3366 rc
= pci_enable_sriov(cdev
->pdev
, num
);
3368 DP_ERR(cdev
, "Failed to enable sriov [%d]\n", rc
);
3375 qed_sriov_disable(cdev
, false);
3379 static int qed_sriov_configure(struct qed_dev
*cdev
, int num_vfs_param
)
3381 if (!IS_QED_SRIOV(cdev
)) {
3382 DP_VERBOSE(cdev
, QED_MSG_IOV
, "SR-IOV is not supported\n");
3387 return qed_sriov_enable(cdev
, num_vfs_param
);
3389 return qed_sriov_disable(cdev
, true);
3392 static int qed_sriov_pf_set_mac(struct qed_dev
*cdev
, u8
*mac
, int vfid
)
3396 if (!IS_QED_SRIOV(cdev
) || !IS_PF_SRIOV_ALLOC(&cdev
->hwfns
[0])) {
3397 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3398 "Cannot set a VF MAC; Sriov is not enabled\n");
3402 if (!qed_iov_is_valid_vfid(&cdev
->hwfns
[0], vfid
, true)) {
3403 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3404 "Cannot set VF[%d] MAC (VF is not active)\n", vfid
);
3408 for_each_hwfn(cdev
, i
) {
3409 struct qed_hwfn
*hwfn
= &cdev
->hwfns
[i
];
3410 struct qed_public_vf_info
*vf_info
;
3412 vf_info
= qed_iov_get_public_vf_info(hwfn
, vfid
, true);
3416 /* Set the forced MAC, and schedule the IOV task */
3417 ether_addr_copy(vf_info
->forced_mac
, mac
);
3418 qed_schedule_iov(hwfn
, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG
);
3424 static int qed_sriov_pf_set_vlan(struct qed_dev
*cdev
, u16 vid
, int vfid
)
3428 if (!IS_QED_SRIOV(cdev
) || !IS_PF_SRIOV_ALLOC(&cdev
->hwfns
[0])) {
3429 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3430 "Cannot set a VF MAC; Sriov is not enabled\n");
3434 if (!qed_iov_is_valid_vfid(&cdev
->hwfns
[0], vfid
, true)) {
3435 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3436 "Cannot set VF[%d] MAC (VF is not active)\n", vfid
);
3440 for_each_hwfn(cdev
, i
) {
3441 struct qed_hwfn
*hwfn
= &cdev
->hwfns
[i
];
3442 struct qed_public_vf_info
*vf_info
;
3444 vf_info
= qed_iov_get_public_vf_info(hwfn
, vfid
, true);
3448 /* Set the forced vlan, and schedule the IOV task */
3449 vf_info
->forced_vlan
= vid
;
3450 qed_schedule_iov(hwfn
, QED_IOV_WQ_SET_UNICAST_FILTER_FLAG
);
3456 static int qed_get_vf_config(struct qed_dev
*cdev
,
3457 int vf_id
, struct ifla_vf_info
*ivi
)
3459 struct qed_hwfn
*hwfn
= QED_LEADING_HWFN(cdev
);
3460 struct qed_public_vf_info
*vf_info
;
3461 struct qed_mcp_link_state link
;
3464 /* Sanitize request */
3468 if (!qed_iov_is_valid_vfid(&cdev
->hwfns
[0], vf_id
, true)) {
3469 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3470 "VF index [%d] isn't active\n", vf_id
);
3474 vf_info
= qed_iov_get_public_vf_info(hwfn
, vf_id
, true);
3476 qed_iov_get_link(hwfn
, vf_id
, NULL
, &link
, NULL
);
3478 /* Fill information about VF */
3481 if (is_valid_ether_addr(vf_info
->forced_mac
))
3482 ether_addr_copy(ivi
->mac
, vf_info
->forced_mac
);
3484 ether_addr_copy(ivi
->mac
, vf_info
->mac
);
3486 ivi
->vlan
= vf_info
->forced_vlan
;
3487 ivi
->spoofchk
= qed_iov_spoofchk_get(hwfn
, vf_id
);
3488 ivi
->linkstate
= vf_info
->link_state
;
3489 tx_rate
= vf_info
->tx_rate
;
3490 ivi
->max_tx_rate
= tx_rate
? tx_rate
: link
.speed
;
3491 ivi
->min_tx_rate
= qed_iov_get_vf_min_rate(hwfn
, vf_id
);
3496 void qed_inform_vf_link_state(struct qed_hwfn
*hwfn
)
3498 struct qed_mcp_link_capabilities caps
;
3499 struct qed_mcp_link_params params
;
3500 struct qed_mcp_link_state link
;
3503 if (!hwfn
->pf_iov_info
)
3506 /* Update bulletin of all future possible VFs with link configuration */
3507 for (i
= 0; i
< hwfn
->cdev
->p_iov_info
->total_vfs
; i
++) {
3508 struct qed_public_vf_info
*vf_info
;
3510 vf_info
= qed_iov_get_public_vf_info(hwfn
, i
, false);
3514 memcpy(¶ms
, qed_mcp_get_link_params(hwfn
), sizeof(params
));
3515 memcpy(&link
, qed_mcp_get_link_state(hwfn
), sizeof(link
));
3516 memcpy(&caps
, qed_mcp_get_link_capabilities(hwfn
),
3519 /* Modify link according to the VF's configured link state */
3520 switch (vf_info
->link_state
) {
3521 case IFLA_VF_LINK_STATE_DISABLE
:
3522 link
.link_up
= false;
3524 case IFLA_VF_LINK_STATE_ENABLE
:
3525 link
.link_up
= true;
3526 /* Set speed according to maximum supported by HW.
3527 * that is 40G for regular devices and 100G for CMT
3530 link
.speed
= (hwfn
->cdev
->num_hwfns
> 1) ?
3533 /* In auto mode pass PF link image to VF */
3537 if (link
.link_up
&& vf_info
->tx_rate
) {
3538 struct qed_ptt
*ptt
;
3541 rate
= min_t(int, vf_info
->tx_rate
, link
.speed
);
3543 ptt
= qed_ptt_acquire(hwfn
);
3545 DP_NOTICE(hwfn
, "Failed to acquire PTT\n");
3549 if (!qed_iov_configure_tx_rate(hwfn
, ptt
, i
, rate
)) {
3550 vf_info
->tx_rate
= rate
;
3554 qed_ptt_release(hwfn
, ptt
);
3557 qed_iov_set_link(hwfn
, i
, ¶ms
, &link
, &caps
);
3560 qed_schedule_iov(hwfn
, QED_IOV_WQ_BULLETIN_UPDATE_FLAG
);
3563 static int qed_set_vf_link_state(struct qed_dev
*cdev
,
3564 int vf_id
, int link_state
)
3568 /* Sanitize request */
3572 if (!qed_iov_is_valid_vfid(&cdev
->hwfns
[0], vf_id
, true)) {
3573 DP_VERBOSE(cdev
, QED_MSG_IOV
,
3574 "VF index [%d] isn't active\n", vf_id
);
3578 /* Handle configuration of link state */
3579 for_each_hwfn(cdev
, i
) {
3580 struct qed_hwfn
*hwfn
= &cdev
->hwfns
[i
];
3581 struct qed_public_vf_info
*vf
;
3583 vf
= qed_iov_get_public_vf_info(hwfn
, vf_id
, true);
3587 if (vf
->link_state
== link_state
)
3590 vf
->link_state
= link_state
;
3591 qed_inform_vf_link_state(&cdev
->hwfns
[i
]);
3597 static int qed_spoof_configure(struct qed_dev
*cdev
, int vfid
, bool val
)
3599 int i
, rc
= -EINVAL
;
3601 for_each_hwfn(cdev
, i
) {
3602 struct qed_hwfn
*p_hwfn
= &cdev
->hwfns
[i
];
3604 rc
= qed_iov_spoofchk_set(p_hwfn
, vfid
, val
);
3612 static int qed_configure_max_vf_rate(struct qed_dev
*cdev
, int vfid
, int rate
)
3616 for_each_hwfn(cdev
, i
) {
3617 struct qed_hwfn
*p_hwfn
= &cdev
->hwfns
[i
];
3618 struct qed_public_vf_info
*vf
;
3620 if (!qed_iov_pf_sanity_check(p_hwfn
, vfid
)) {
3622 "SR-IOV sanity check failed, can't set tx rate\n");
3626 vf
= qed_iov_get_public_vf_info(p_hwfn
, vfid
, true);
3630 qed_inform_vf_link_state(p_hwfn
);
3636 static int qed_set_vf_rate(struct qed_dev
*cdev
,
3637 int vfid
, u32 min_rate
, u32 max_rate
)
3639 int rc_min
= 0, rc_max
= 0;
3642 rc_max
= qed_configure_max_vf_rate(cdev
, vfid
, max_rate
);
3645 rc_min
= qed_iov_configure_min_tx_rate(cdev
, vfid
, min_rate
);
3647 if (rc_max
| rc_min
)
3653 static void qed_handle_vf_msg(struct qed_hwfn
*hwfn
)
3655 u64 events
[QED_VF_ARRAY_LENGTH
];
3656 struct qed_ptt
*ptt
;
3659 ptt
= qed_ptt_acquire(hwfn
);
3661 DP_VERBOSE(hwfn
, QED_MSG_IOV
,
3662 "Can't acquire PTT; re-scheduling\n");
3663 qed_schedule_iov(hwfn
, QED_IOV_WQ_MSG_FLAG
);
3667 qed_iov_pf_get_and_clear_pending_events(hwfn
, events
);
3669 DP_VERBOSE(hwfn
, QED_MSG_IOV
,
3670 "Event mask of VF events: 0x%llx 0x%llx 0x%llx\n",
3671 events
[0], events
[1], events
[2]);
3673 qed_for_each_vf(hwfn
, i
) {
3674 /* Skip VFs with no pending messages */
3675 if (!(events
[i
/ 64] & (1ULL << (i
% 64))))
3678 DP_VERBOSE(hwfn
, QED_MSG_IOV
,
3679 "Handling VF message from VF 0x%02x [Abs 0x%02x]\n",
3680 i
, hwfn
->cdev
->p_iov_info
->first_vf_in_pf
+ i
);
3682 /* Copy VF's message to PF's request buffer for that VF */
3683 if (qed_iov_copy_vf_msg(hwfn
, ptt
, i
))
3686 qed_iov_process_mbx_req(hwfn
, ptt
, i
);
3689 qed_ptt_release(hwfn
, ptt
);
3692 static void qed_handle_pf_set_vf_unicast(struct qed_hwfn
*hwfn
)
3696 qed_for_each_vf(hwfn
, i
) {
3697 struct qed_public_vf_info
*info
;
3698 bool update
= false;
3701 info
= qed_iov_get_public_vf_info(hwfn
, i
, true);
3705 /* Update data on bulletin board */
3706 mac
= qed_iov_bulletin_get_forced_mac(hwfn
, i
);
3707 if (is_valid_ether_addr(info
->forced_mac
) &&
3708 (!mac
|| !ether_addr_equal(mac
, info
->forced_mac
))) {
3711 "Handling PF setting of VF MAC to VF 0x%02x [Abs 0x%02x]\n",
3713 hwfn
->cdev
->p_iov_info
->first_vf_in_pf
+ i
);
3715 /* Update bulletin board with forced MAC */
3716 qed_iov_bulletin_set_forced_mac(hwfn
,
3717 info
->forced_mac
, i
);
3721 if (qed_iov_bulletin_get_forced_vlan(hwfn
, i
) ^
3722 info
->forced_vlan
) {
3725 "Handling PF setting of pvid [0x%04x] to VF 0x%02x [Abs 0x%02x]\n",
3728 hwfn
->cdev
->p_iov_info
->first_vf_in_pf
+ i
);
3729 qed_iov_bulletin_set_forced_vlan(hwfn
,
3730 info
->forced_vlan
, i
);
3735 qed_schedule_iov(hwfn
, QED_IOV_WQ_BULLETIN_UPDATE_FLAG
);
3739 static void qed_handle_bulletin_post(struct qed_hwfn
*hwfn
)
3741 struct qed_ptt
*ptt
;
3744 ptt
= qed_ptt_acquire(hwfn
);
3746 DP_NOTICE(hwfn
, "Failed allocating a ptt entry\n");
3747 qed_schedule_iov(hwfn
, QED_IOV_WQ_BULLETIN_UPDATE_FLAG
);
3751 qed_for_each_vf(hwfn
, i
)
3752 qed_iov_post_vf_bulletin(hwfn
, i
, ptt
);
3754 qed_ptt_release(hwfn
, ptt
);
3757 void qed_iov_pf_task(struct work_struct
*work
)
3759 struct qed_hwfn
*hwfn
= container_of(work
, struct qed_hwfn
,
3763 if (test_and_clear_bit(QED_IOV_WQ_STOP_WQ_FLAG
, &hwfn
->iov_task_flags
))
3766 if (test_and_clear_bit(QED_IOV_WQ_FLR_FLAG
, &hwfn
->iov_task_flags
)) {
3767 struct qed_ptt
*ptt
= qed_ptt_acquire(hwfn
);
3770 qed_schedule_iov(hwfn
, QED_IOV_WQ_FLR_FLAG
);
3774 rc
= qed_iov_vf_flr_cleanup(hwfn
, ptt
);
3776 qed_schedule_iov(hwfn
, QED_IOV_WQ_FLR_FLAG
);
3778 qed_ptt_release(hwfn
, ptt
);
3781 if (test_and_clear_bit(QED_IOV_WQ_MSG_FLAG
, &hwfn
->iov_task_flags
))
3782 qed_handle_vf_msg(hwfn
);
3784 if (test_and_clear_bit(QED_IOV_WQ_SET_UNICAST_FILTER_FLAG
,
3785 &hwfn
->iov_task_flags
))
3786 qed_handle_pf_set_vf_unicast(hwfn
);
3788 if (test_and_clear_bit(QED_IOV_WQ_BULLETIN_UPDATE_FLAG
,
3789 &hwfn
->iov_task_flags
))
3790 qed_handle_bulletin_post(hwfn
);
3793 void qed_iov_wq_stop(struct qed_dev
*cdev
, bool schedule_first
)
3797 for_each_hwfn(cdev
, i
) {
3798 if (!cdev
->hwfns
[i
].iov_wq
)
3801 if (schedule_first
) {
3802 qed_schedule_iov(&cdev
->hwfns
[i
],
3803 QED_IOV_WQ_STOP_WQ_FLAG
);
3804 cancel_delayed_work_sync(&cdev
->hwfns
[i
].iov_task
);
3807 flush_workqueue(cdev
->hwfns
[i
].iov_wq
);
3808 destroy_workqueue(cdev
->hwfns
[i
].iov_wq
);
3812 int qed_iov_wq_start(struct qed_dev
*cdev
)
3814 char name
[NAME_SIZE
];
3817 for_each_hwfn(cdev
, i
) {
3818 struct qed_hwfn
*p_hwfn
= &cdev
->hwfns
[i
];
3820 /* PFs needs a dedicated workqueue only if they support IOV.
3821 * VFs always require one.
3823 if (IS_PF(p_hwfn
->cdev
) && !IS_PF_SRIOV(p_hwfn
))
3826 snprintf(name
, NAME_SIZE
, "iov-%02x:%02x.%02x",
3827 cdev
->pdev
->bus
->number
,
3828 PCI_SLOT(cdev
->pdev
->devfn
), p_hwfn
->abs_pf_id
);
3830 p_hwfn
->iov_wq
= create_singlethread_workqueue(name
);
3831 if (!p_hwfn
->iov_wq
) {
3832 DP_NOTICE(p_hwfn
, "Cannot create iov workqueue\n");
3837 INIT_DELAYED_WORK(&p_hwfn
->iov_task
, qed_iov_pf_task
);
3839 INIT_DELAYED_WORK(&p_hwfn
->iov_task
, qed_iov_vf_task
);
3845 const struct qed_iov_hv_ops qed_iov_ops_pass
= {
3846 .configure
= &qed_sriov_configure
,
3847 .set_mac
= &qed_sriov_pf_set_mac
,
3848 .set_vlan
= &qed_sriov_pf_set_vlan
,
3849 .get_config
= &qed_get_vf_config
,
3850 .set_link_state
= &qed_set_vf_link_state
,
3851 .set_spoof
= &qed_spoof_configure
,
3852 .set_rate
= &qed_set_vf_rate
,