1 /*******************************************************************************
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 ******************************************************************************/
30 /***********************misc routines*****************************/
33 * i40e_vc_isvalid_vsi_id
34 * @vf: pointer to the vf info
35 * @vsi_id: vf relative vsi id
37 * check for the valid vsi id
39 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf
*vf
, u8 vsi_id
)
41 struct i40e_pf
*pf
= vf
->pf
;
43 return pf
->vsi
[vsi_id
]->vf_id
== vf
->vf_id
;
47 * i40e_vc_isvalid_queue_id
48 * @vf: pointer to the vf info
50 * @qid: vsi relative queue id
52 * check for the valid queue id
54 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf
*vf
, u8 vsi_id
,
57 struct i40e_pf
*pf
= vf
->pf
;
59 return qid
< pf
->vsi
[vsi_id
]->num_queue_pairs
;
63 * i40e_vc_isvalid_vector_id
64 * @vf: pointer to the vf info
65 * @vector_id: vf relative vector id
67 * check for the valid vector id
69 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf
*vf
, u8 vector_id
)
71 struct i40e_pf
*pf
= vf
->pf
;
73 return vector_id
< pf
->hw
.func_caps
.num_msix_vectors_vf
;
76 /***********************vf resource mgmt routines*****************/
79 * i40e_vc_get_pf_queue_id
80 * @vf: pointer to the vf info
81 * @vsi_idx: index of VSI in PF struct
82 * @vsi_queue_id: vsi relative queue id
84 * return pf relative queue id
86 static u16
i40e_vc_get_pf_queue_id(struct i40e_vf
*vf
, u8 vsi_idx
,
89 struct i40e_pf
*pf
= vf
->pf
;
90 struct i40e_vsi
*vsi
= pf
->vsi
[vsi_idx
];
91 u16 pf_queue_id
= I40E_QUEUE_END_OF_LIST
;
93 if (le16_to_cpu(vsi
->info
.mapping_flags
) &
94 I40E_AQ_VSI_QUE_MAP_NONCONTIG
)
96 le16_to_cpu(vsi
->info
.queue_mapping
[vsi_queue_id
]);
98 pf_queue_id
= le16_to_cpu(vsi
->info
.queue_mapping
[0]) +
105 * i40e_ctrl_vsi_tx_queue
106 * @vf: pointer to the vf info
107 * @vsi_idx: index of VSI in PF struct
108 * @vsi_queue_id: vsi relative queue index
109 * @ctrl: control flags
111 * enable/disable/enable check/disable check
113 static int i40e_ctrl_vsi_tx_queue(struct i40e_vf
*vf
, u16 vsi_idx
,
115 enum i40e_queue_ctrl ctrl
)
117 struct i40e_pf
*pf
= vf
->pf
;
118 struct i40e_hw
*hw
= &pf
->hw
;
119 bool writeback
= false;
124 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
, vsi_queue_id
);
125 reg
= rd32(hw
, I40E_QTX_ENA(pf_queue_id
));
128 case I40E_QUEUE_CTRL_ENABLE
:
129 reg
|= I40E_QTX_ENA_QENA_REQ_MASK
;
132 case I40E_QUEUE_CTRL_ENABLECHECK
:
133 ret
= (reg
& I40E_QTX_ENA_QENA_STAT_MASK
) ? 0 : -EPERM
;
135 case I40E_QUEUE_CTRL_DISABLE
:
136 reg
&= ~I40E_QTX_ENA_QENA_REQ_MASK
;
139 case I40E_QUEUE_CTRL_DISABLECHECK
:
140 ret
= (reg
& I40E_QTX_ENA_QENA_STAT_MASK
) ? -EPERM
: 0;
142 case I40E_QUEUE_CTRL_FASTDISABLE
:
143 reg
|= I40E_QTX_ENA_FAST_QDIS_MASK
;
146 case I40E_QUEUE_CTRL_FASTDISABLECHECK
:
147 ret
= (reg
& I40E_QTX_ENA_QENA_STAT_MASK
) ? -EPERM
: 0;
149 reg
&= ~I40E_QTX_ENA_FAST_QDIS_MASK
;
159 wr32(hw
, I40E_QTX_ENA(pf_queue_id
), reg
);
167 * i40e_ctrl_vsi_rx_queue
168 * @vf: pointer to the vf info
169 * @vsi_idx: index of VSI in PF struct
170 * @vsi_queue_id: vsi relative queue index
171 * @ctrl: control flags
173 * enable/disable/enable check/disable check
175 static int i40e_ctrl_vsi_rx_queue(struct i40e_vf
*vf
, u16 vsi_idx
,
177 enum i40e_queue_ctrl ctrl
)
179 struct i40e_pf
*pf
= vf
->pf
;
180 struct i40e_hw
*hw
= &pf
->hw
;
181 bool writeback
= false;
186 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
, vsi_queue_id
);
187 reg
= rd32(hw
, I40E_QRX_ENA(pf_queue_id
));
190 case I40E_QUEUE_CTRL_ENABLE
:
191 reg
|= I40E_QRX_ENA_QENA_REQ_MASK
;
194 case I40E_QUEUE_CTRL_ENABLECHECK
:
195 ret
= (reg
& I40E_QRX_ENA_QENA_STAT_MASK
) ? 0 : -EPERM
;
197 case I40E_QUEUE_CTRL_DISABLE
:
198 reg
&= ~I40E_QRX_ENA_QENA_REQ_MASK
;
201 case I40E_QUEUE_CTRL_DISABLECHECK
:
202 ret
= (reg
& I40E_QRX_ENA_QENA_STAT_MASK
) ? -EPERM
: 0;
204 case I40E_QUEUE_CTRL_FASTDISABLE
:
205 reg
|= I40E_QRX_ENA_FAST_QDIS_MASK
;
208 case I40E_QUEUE_CTRL_FASTDISABLECHECK
:
209 ret
= (reg
& I40E_QRX_ENA_QENA_STAT_MASK
) ? -EPERM
: 0;
211 reg
&= ~I40E_QRX_ENA_FAST_QDIS_MASK
;
221 wr32(hw
, I40E_QRX_ENA(pf_queue_id
), reg
);
229 * i40e_config_irq_link_list
230 * @vf: pointer to the vf info
231 * @vsi_idx: index of VSI in PF struct
232 * @vecmap: irq map info
234 * configure irq link list from the map
236 static void i40e_config_irq_link_list(struct i40e_vf
*vf
, u16 vsi_idx
,
237 struct i40e_virtchnl_vector_map
*vecmap
)
239 unsigned long linklistmap
= 0, tempmap
;
240 struct i40e_pf
*pf
= vf
->pf
;
241 struct i40e_hw
*hw
= &pf
->hw
;
242 u16 vsi_queue_id
, pf_queue_id
;
243 enum i40e_queue_type qtype
;
244 u16 next_q
, vector_id
;
248 vector_id
= vecmap
->vector_id
;
251 reg_idx
= I40E_VPINT_LNKLST0(vf
->vf_id
);
253 reg_idx
= I40E_VPINT_LNKLSTN(
254 (pf
->hw
.func_caps
.num_msix_vectors_vf
255 * vf
->vf_id
) + (vector_id
- 1));
257 if (vecmap
->rxq_map
== 0 && vecmap
->txq_map
== 0) {
258 /* Special case - No queues mapped on this vector */
259 wr32(hw
, reg_idx
, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK
);
262 tempmap
= vecmap
->rxq_map
;
263 vsi_queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
264 while (vsi_queue_id
< I40E_MAX_VSI_QP
) {
266 (I40E_VIRTCHNL_SUPPORTED_QTYPES
*
269 find_next_bit(&tempmap
, I40E_MAX_VSI_QP
, vsi_queue_id
+ 1);
272 tempmap
= vecmap
->txq_map
;
273 vsi_queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
274 while (vsi_queue_id
< I40E_MAX_VSI_QP
) {
276 (I40E_VIRTCHNL_SUPPORTED_QTYPES
* vsi_queue_id
278 vsi_queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
282 next_q
= find_first_bit(&linklistmap
,
284 I40E_VIRTCHNL_SUPPORTED_QTYPES
));
285 vsi_queue_id
= next_q
/I40E_VIRTCHNL_SUPPORTED_QTYPES
;
286 qtype
= next_q
%I40E_VIRTCHNL_SUPPORTED_QTYPES
;
287 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
, vsi_queue_id
);
288 reg
= ((qtype
<< I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT
) | pf_queue_id
);
290 wr32(hw
, reg_idx
, reg
);
292 while (next_q
< (I40E_MAX_VSI_QP
* I40E_VIRTCHNL_SUPPORTED_QTYPES
)) {
294 case I40E_QUEUE_TYPE_RX
:
295 reg_idx
= I40E_QINT_RQCTL(pf_queue_id
);
296 itr_idx
= vecmap
->rxitr_idx
;
298 case I40E_QUEUE_TYPE_TX
:
299 reg_idx
= I40E_QINT_TQCTL(pf_queue_id
);
300 itr_idx
= vecmap
->txitr_idx
;
306 next_q
= find_next_bit(&linklistmap
,
308 I40E_VIRTCHNL_SUPPORTED_QTYPES
),
310 if (next_q
< (I40E_MAX_VSI_QP
* I40E_VIRTCHNL_SUPPORTED_QTYPES
)) {
311 vsi_queue_id
= next_q
/ I40E_VIRTCHNL_SUPPORTED_QTYPES
;
312 qtype
= next_q
% I40E_VIRTCHNL_SUPPORTED_QTYPES
;
313 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
,
316 pf_queue_id
= I40E_QUEUE_END_OF_LIST
;
320 /* format for the RQCTL & TQCTL regs is same */
322 (qtype
<< I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT
) |
323 (pf_queue_id
<< I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT
) |
324 (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT
) |
325 (itr_idx
<< I40E_QINT_RQCTL_ITR_INDX_SHIFT
);
326 wr32(hw
, reg_idx
, reg
);
334 * i40e_config_vsi_tx_queue
335 * @vf: pointer to the vf info
336 * @vsi_idx: index of VSI in PF struct
337 * @vsi_queue_id: vsi relative queue index
338 * @info: config. info
342 static int i40e_config_vsi_tx_queue(struct i40e_vf
*vf
, u16 vsi_idx
,
344 struct i40e_virtchnl_txq_info
*info
)
346 struct i40e_pf
*pf
= vf
->pf
;
347 struct i40e_hw
*hw
= &pf
->hw
;
348 struct i40e_hmc_obj_txq tx_ctx
;
353 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
, vsi_queue_id
);
355 /* clear the context structure first */
356 memset(&tx_ctx
, 0, sizeof(struct i40e_hmc_obj_txq
));
358 /* only set the required fields */
359 tx_ctx
.base
= info
->dma_ring_addr
/ 128;
360 tx_ctx
.qlen
= info
->ring_len
;
361 tx_ctx
.rdylist
= le16_to_cpu(pf
->vsi
[vsi_idx
]->info
.qs_handle
[0]);
362 tx_ctx
.rdylist_act
= 0;
364 /* clear the context in the HMC */
365 ret
= i40e_clear_lan_tx_queue_context(hw
, pf_queue_id
);
367 dev_err(&pf
->pdev
->dev
,
368 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
374 /* set the context in the HMC */
375 ret
= i40e_set_lan_tx_queue_context(hw
, pf_queue_id
, &tx_ctx
);
377 dev_err(&pf
->pdev
->dev
,
378 "Failed to set VF LAN Tx queue context %d error: %d\n",
384 /* associate this queue with the PCI VF function */
385 qtx_ctl
= I40E_QTX_CTL_VF_QUEUE
;
386 qtx_ctl
|= ((hw
->pf_id
<< I40E_QTX_CTL_PF_INDX_SHIFT
)
387 & I40E_QTX_CTL_PF_INDX_MASK
);
388 qtx_ctl
|= (((vf
->vf_id
+ hw
->func_caps
.vf_base_id
)
389 << I40E_QTX_CTL_VFVM_INDX_SHIFT
)
390 & I40E_QTX_CTL_VFVM_INDX_MASK
);
391 wr32(hw
, I40E_QTX_CTL(pf_queue_id
), qtx_ctl
);
399 * i40e_config_vsi_rx_queue
400 * @vf: pointer to the vf info
401 * @vsi_idx: index of VSI in PF struct
402 * @vsi_queue_id: vsi relative queue index
403 * @info: config. info
407 static int i40e_config_vsi_rx_queue(struct i40e_vf
*vf
, u16 vsi_idx
,
409 struct i40e_virtchnl_rxq_info
*info
)
411 struct i40e_pf
*pf
= vf
->pf
;
412 struct i40e_hw
*hw
= &pf
->hw
;
413 struct i40e_hmc_obj_rxq rx_ctx
;
417 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vsi_idx
, vsi_queue_id
);
419 /* clear the context structure first */
420 memset(&rx_ctx
, 0, sizeof(struct i40e_hmc_obj_rxq
));
422 /* only set the required fields */
423 rx_ctx
.base
= info
->dma_ring_addr
/ 128;
424 rx_ctx
.qlen
= info
->ring_len
;
426 if (info
->splithdr_enabled
) {
427 rx_ctx
.hsplit_0
= I40E_RX_SPLIT_L2
|
429 I40E_RX_SPLIT_TCP_UDP
|
431 /* header length validation */
432 if (info
->hdr_size
> ((2 * 1024) - 64)) {
436 rx_ctx
.hbuff
= info
->hdr_size
>> I40E_RXQ_CTX_HBUFF_SHIFT
;
438 /* set splitalways mode 10b */
442 /* databuffer length validation */
443 if (info
->databuffer_size
> ((16 * 1024) - 128)) {
447 rx_ctx
.dbuff
= info
->databuffer_size
>> I40E_RXQ_CTX_DBUFF_SHIFT
;
449 /* max pkt. length validation */
450 if (info
->max_pkt_size
>= (16 * 1024) || info
->max_pkt_size
< 64) {
454 rx_ctx
.rxmax
= info
->max_pkt_size
;
456 /* enable 32bytes desc always */
460 rx_ctx
.tphrdesc_ena
= 1;
461 rx_ctx
.tphwdesc_ena
= 1;
462 rx_ctx
.tphdata_ena
= 1;
463 rx_ctx
.tphhead_ena
= 1;
464 rx_ctx
.lrxqthresh
= 2;
467 /* clear the context in the HMC */
468 ret
= i40e_clear_lan_rx_queue_context(hw
, pf_queue_id
);
470 dev_err(&pf
->pdev
->dev
,
471 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
477 /* set the context in the HMC */
478 ret
= i40e_set_lan_rx_queue_context(hw
, pf_queue_id
, &rx_ctx
);
480 dev_err(&pf
->pdev
->dev
,
481 "Failed to set VF LAN Rx queue context %d error: %d\n",
493 * @vf: pointer to the vf info
494 * @type: type of VSI to allocate
496 * alloc vf vsi context & resources
498 static int i40e_alloc_vsi_res(struct i40e_vf
*vf
, enum i40e_vsi_type type
)
500 struct i40e_mac_filter
*f
= NULL
;
501 struct i40e_pf
*pf
= vf
->pf
;
502 struct i40e_hw
*hw
= &pf
->hw
;
503 struct i40e_vsi
*vsi
;
506 vsi
= i40e_vsi_setup(pf
, type
, pf
->vsi
[pf
->lan_vsi
]->seid
, vf
->vf_id
);
509 dev_err(&pf
->pdev
->dev
,
510 "add vsi failed for vf %d, aq_err %d\n",
511 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
513 goto error_alloc_vsi_res
;
515 if (type
== I40E_VSI_SRIOV
) {
516 vf
->lan_vsi_index
= vsi
->idx
;
517 vf
->lan_vsi_id
= vsi
->id
;
518 dev_info(&pf
->pdev
->dev
,
519 "LAN VSI index %d, VSI id %d\n",
521 f
= i40e_add_filter(vsi
, vf
->default_lan_addr
.addr
,
525 dev_err(&pf
->pdev
->dev
, "Unable to add ucast filter\n");
527 goto error_alloc_vsi_res
;
530 /* program mac filter */
531 ret
= i40e_sync_vsi_filters(vsi
);
533 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
534 goto error_alloc_vsi_res
;
537 /* accept bcast pkts. by default */
538 ret
= i40e_aq_set_vsi_broadcast(hw
, vsi
->seid
, true, NULL
);
540 dev_err(&pf
->pdev
->dev
,
541 "set vsi bcast failed for vf %d, vsi %d, aq_err %d\n",
542 vf
->vf_id
, vsi
->idx
, pf
->hw
.aq
.asq_last_status
);
552 * @vf: pointer to the vf structure
553 * @flr: VFLR was issued or not
557 int i40e_reset_vf(struct i40e_vf
*vf
, bool flr
)
560 struct i40e_pf
*pf
= vf
->pf
;
561 struct i40e_hw
*hw
= &pf
->hw
;
562 u32 reg
, reg_idx
, msix_vf
;
568 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_INPROGRESS
);
570 clear_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
572 /* PF triggers VFR only when VF requests, in case of
573 * VFLR, HW triggers VFR
576 /* reset vf using VPGEN_VFRTRIG reg */
577 reg
= I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
578 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
582 /* poll VPGEN_VFRSTAT reg to make sure
583 * that reset is complete
585 for (i
= 0; i
< 4; i
++) {
586 /* vf reset requires driver to first reset the
587 * vf & than poll the status register to make sure
588 * that the requested op was completed
592 reg
= rd32(hw
, I40E_VPGEN_VFRSTAT(vf
->vf_id
));
593 if (reg
& I40E_VPGEN_VFRSTAT_VFRD_MASK
) {
600 dev_err(&pf
->pdev
->dev
, "VF reset check timeout %d\n",
603 /* fast disable qps */
604 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
; j
++) {
605 ret
= i40e_ctrl_vsi_tx_queue(vf
, vf
->lan_vsi_index
, j
,
606 I40E_QUEUE_CTRL_FASTDISABLE
);
607 ret
= i40e_ctrl_vsi_rx_queue(vf
, vf
->lan_vsi_index
, j
,
608 I40E_QUEUE_CTRL_FASTDISABLE
);
611 /* Queue enable/disable requires driver to
612 * first reset the vf & than poll the status register
613 * to make sure that the requested op was completed
617 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
; j
++) {
618 ret
= i40e_ctrl_vsi_tx_queue(vf
, vf
->lan_vsi_index
, j
,
619 I40E_QUEUE_CTRL_FASTDISABLECHECK
);
621 dev_info(&pf
->pdev
->dev
,
622 "Queue control check failed on Tx queue %d of VSI %d VF %d\n",
623 vf
->lan_vsi_index
, j
, vf
->vf_id
);
624 ret
= i40e_ctrl_vsi_rx_queue(vf
, vf
->lan_vsi_index
, j
,
625 I40E_QUEUE_CTRL_FASTDISABLECHECK
);
627 dev_info(&pf
->pdev
->dev
,
628 "Queue control check failed on Rx queue %d of VSI %d VF %d\n",
629 vf
->lan_vsi_index
, j
, vf
->vf_id
);
632 /* clear the irq settings */
633 msix_vf
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
634 for (i
= 0; i
< msix_vf
; i
++) {
635 /* format is same for both registers */
637 reg_idx
= I40E_VPINT_LNKLST0(vf
->vf_id
);
639 reg_idx
= I40E_VPINT_LNKLSTN(((msix_vf
- 1) *
642 reg
= (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK
|
643 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK
);
644 wr32(hw
, reg_idx
, reg
);
647 /* disable interrupts so the VF starts in a known state */
648 for (i
= 0; i
< msix_vf
; i
++) {
649 /* format is same for both registers */
651 reg_idx
= I40E_VFINT_DYN_CTL0(vf
->vf_id
);
653 reg_idx
= I40E_VFINT_DYN_CTLN(((msix_vf
- 1) *
656 wr32(hw
, reg_idx
, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK
);
660 /* set the defaults for the rqctl & tqctl registers */
661 reg
= (I40E_QINT_RQCTL_NEXTQ_INDX_MASK
| I40E_QINT_RQCTL_ITR_INDX_MASK
|
662 I40E_QINT_RQCTL_NEXTQ_TYPE_MASK
);
663 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
; j
++) {
664 pf_queue_id
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_index
, j
);
665 wr32(hw
, I40E_QINT_RQCTL(pf_queue_id
), reg
);
666 wr32(hw
, I40E_QINT_TQCTL(pf_queue_id
), reg
);
669 /* clear the reset bit in the VPGEN_VFRTRIG reg */
670 reg
= rd32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
));
671 reg
&= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK
;
672 wr32(hw
, I40E_VPGEN_VFRTRIG(vf
->vf_id
), reg
);
673 /* tell the VF the reset is done */
674 wr32(hw
, I40E_VFGEN_RSTAT1(vf
->vf_id
), I40E_VFR_COMPLETED
);
681 * i40e_enable_vf_mappings
682 * @vf: pointer to the vf info
686 static void i40e_enable_vf_mappings(struct i40e_vf
*vf
)
688 struct i40e_pf
*pf
= vf
->pf
;
689 struct i40e_hw
*hw
= &pf
->hw
;
690 u32 reg
, total_queue_pairs
= 0;
693 /* Tell the hardware we're using noncontiguous mapping. HW requires
694 * that VF queues be mapped using this method, even when they are
695 * contiguous in real life
697 wr32(hw
, I40E_VSILAN_QBASE(vf
->lan_vsi_id
),
698 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK
);
700 /* enable VF vplan_qtable mappings */
701 reg
= I40E_VPLAN_MAPENA_TXRX_ENA_MASK
;
702 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), reg
);
704 /* map PF queues to VF queues */
705 for (j
= 0; j
< pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
; j
++) {
706 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_index
, j
);
707 reg
= (qid
& I40E_VPLAN_QTABLE_QINDEX_MASK
);
708 wr32(hw
, I40E_VPLAN_QTABLE(total_queue_pairs
, vf
->vf_id
), reg
);
712 /* map PF queues to VSI */
713 for (j
= 0; j
< 7; j
++) {
714 if (j
* 2 >= pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
) {
715 reg
= 0x07FF07FF; /* unused */
717 u16 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_index
,
720 qid
= i40e_vc_get_pf_queue_id(vf
, vf
->lan_vsi_index
,
724 wr32(hw
, I40E_VSILAN_QTABLE(j
, vf
->lan_vsi_id
), reg
);
731 * i40e_disable_vf_mappings
732 * @vf: pointer to the vf info
734 * disable vf mappings
736 static void i40e_disable_vf_mappings(struct i40e_vf
*vf
)
738 struct i40e_pf
*pf
= vf
->pf
;
739 struct i40e_hw
*hw
= &pf
->hw
;
742 /* disable qp mappings */
743 wr32(hw
, I40E_VPLAN_MAPENA(vf
->vf_id
), 0);
744 for (i
= 0; i
< I40E_MAX_VSI_QP
; i
++)
745 wr32(hw
, I40E_VPLAN_QTABLE(i
, vf
->vf_id
),
746 I40E_QUEUE_END_OF_LIST
);
752 * @vf: pointer to the vf info
756 static void i40e_free_vf_res(struct i40e_vf
*vf
)
758 struct i40e_pf
*pf
= vf
->pf
;
760 /* free vsi & disconnect it from the parent uplink */
761 if (vf
->lan_vsi_index
) {
762 i40e_vsi_release(pf
->vsi
[vf
->lan_vsi_index
]);
763 vf
->lan_vsi_index
= 0;
766 /* reset some of the state varibles keeping
767 * track of the resources
769 vf
->num_queue_pairs
= 0;
775 * @vf: pointer to the vf info
777 * allocate vf resources
779 static int i40e_alloc_vf_res(struct i40e_vf
*vf
)
781 struct i40e_pf
*pf
= vf
->pf
;
782 int total_queue_pairs
= 0;
785 /* allocate hw vsi context & associated resources */
786 ret
= i40e_alloc_vsi_res(vf
, I40E_VSI_SRIOV
);
789 total_queue_pairs
+= pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
;
790 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
);
792 /* store the total qps number for the runtime
795 vf
->num_queue_pairs
= total_queue_pairs
;
797 /* vf is now completely initialized */
798 set_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
);
802 i40e_free_vf_res(vf
);
808 * i40e_vfs_are_assigned
809 * @pf: pointer to the pf structure
811 * Determine if any VFs are assigned to VMs
813 static bool i40e_vfs_are_assigned(struct i40e_pf
*pf
)
815 struct pci_dev
*pdev
= pf
->pdev
;
816 struct pci_dev
*vfdev
;
818 /* loop through all the VFs to see if we own any that are assigned */
819 vfdev
= pci_get_device(PCI_VENDOR_ID_INTEL
, I40E_VF_DEVICE_ID
, NULL
);
821 /* if we don't own it we don't care */
822 if (vfdev
->is_virtfn
&& pci_physfn(vfdev
) == pdev
) {
823 /* if it is assigned we cannot release it */
824 if (vfdev
->dev_flags
& PCI_DEV_FLAGS_ASSIGNED
)
828 vfdev
= pci_get_device(PCI_VENDOR_ID_INTEL
,
838 * @pf: pointer to the pf structure
842 void i40e_free_vfs(struct i40e_pf
*pf
)
844 struct i40e_hw
*hw
= &pf
->hw
;
850 /* Disable interrupt 0 so we don't try to handle the VFLR. */
851 wr32(hw
, I40E_PFINT_DYN_CTL0
, 0);
854 /* free up vf resources */
855 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++) {
856 if (test_bit(I40E_VF_STAT_INIT
, &pf
->vf
[i
].vf_states
))
857 i40e_free_vf_res(&pf
->vf
[i
]);
858 /* disable qp mappings */
859 i40e_disable_vf_mappings(&pf
->vf
[i
]);
864 pf
->num_alloc_vfs
= 0;
866 if (!i40e_vfs_are_assigned(pf
))
867 pci_disable_sriov(pf
->pdev
);
869 dev_warn(&pf
->pdev
->dev
,
870 "unable to disable SR-IOV because VFs are assigned.\n");
872 /* Re-enable interrupt 0. */
873 wr32(hw
, I40E_PFINT_DYN_CTL0
,
874 I40E_PFINT_DYN_CTL0_INTENA_MASK
|
875 I40E_PFINT_DYN_CTL0_CLEARPBA_MASK
|
876 (I40E_ITR_NONE
<< I40E_PFINT_DYN_CTL0_ITR_INDX_SHIFT
));
880 #ifdef CONFIG_PCI_IOV
883 * @pf: pointer to the pf structure
884 * @num_alloc_vfs: number of vfs to allocate
886 * allocate vf resources
888 static int i40e_alloc_vfs(struct i40e_pf
*pf
, u16 num_alloc_vfs
)
893 ret
= pci_enable_sriov(pf
->pdev
, num_alloc_vfs
);
895 dev_err(&pf
->pdev
->dev
,
896 "pci_enable_sriov failed with error %d!\n", ret
);
897 pf
->num_alloc_vfs
= 0;
901 /* allocate memory */
902 vfs
= kzalloc(num_alloc_vfs
* sizeof(struct i40e_vf
), GFP_KERNEL
);
908 /* apply default profile */
909 for (i
= 0; i
< num_alloc_vfs
; i
++) {
911 vfs
[i
].parent_type
= I40E_SWITCH_ELEMENT_TYPE_VEB
;
914 /* assign default capabilities */
915 set_bit(I40E_VIRTCHNL_VF_CAP_L2
, &vfs
[i
].vf_caps
);
917 ret
= i40e_alloc_vf_res(&vfs
[i
]);
918 i40e_reset_vf(&vfs
[i
], true);
922 /* enable vf vplan_qtable mappings */
923 i40e_enable_vf_mappings(&vfs
[i
]);
926 pf
->num_alloc_vfs
= num_alloc_vfs
;
937 * i40e_pci_sriov_enable
938 * @pdev: pointer to a pci_dev structure
939 * @num_vfs: number of vfs to allocate
941 * Enable or change the number of VFs
943 static int i40e_pci_sriov_enable(struct pci_dev
*pdev
, int num_vfs
)
945 #ifdef CONFIG_PCI_IOV
946 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
947 int pre_existing_vfs
= pci_num_vf(pdev
);
950 dev_info(&pdev
->dev
, "Allocating %d VFs.\n", num_vfs
);
951 if (pre_existing_vfs
&& pre_existing_vfs
!= num_vfs
)
953 else if (pre_existing_vfs
&& pre_existing_vfs
== num_vfs
)
956 if (num_vfs
> pf
->num_req_vfs
) {
961 err
= i40e_alloc_vfs(pf
, num_vfs
);
963 dev_warn(&pdev
->dev
, "Failed to enable SR-IOV: %d\n", err
);
977 * i40e_pci_sriov_configure
978 * @pdev: pointer to a pci_dev structure
979 * @num_vfs: number of vfs to allocate
981 * Enable or change the number of VFs. Called when the user updates the number
984 int i40e_pci_sriov_configure(struct pci_dev
*pdev
, int num_vfs
)
986 struct i40e_pf
*pf
= pci_get_drvdata(pdev
);
989 return i40e_pci_sriov_enable(pdev
, num_vfs
);
995 /***********************virtual channel routines******************/
998 * i40e_vc_send_msg_to_vf
999 * @vf: pointer to the vf info
1000 * @v_opcode: virtual channel opcode
1001 * @v_retval: virtual channel return value
1002 * @msg: pointer to the msg buffer
1003 * @msglen: msg length
1007 static int i40e_vc_send_msg_to_vf(struct i40e_vf
*vf
, u32 v_opcode
,
1008 u32 v_retval
, u8
*msg
, u16 msglen
)
1010 struct i40e_pf
*pf
= vf
->pf
;
1011 struct i40e_hw
*hw
= &pf
->hw
;
1014 /* single place to detect unsuccessful return values */
1016 vf
->num_invalid_msgs
++;
1017 dev_err(&pf
->pdev
->dev
, "Failed opcode %d Error: %d\n",
1018 v_opcode
, v_retval
);
1019 if (vf
->num_invalid_msgs
>
1020 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED
) {
1021 dev_err(&pf
->pdev
->dev
,
1022 "Number of invalid messages exceeded for VF %d\n",
1024 dev_err(&pf
->pdev
->dev
, "Use PF Control I/F to enable the VF\n");
1025 set_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
);
1028 vf
->num_valid_msgs
++;
1031 aq_ret
= i40e_aq_send_msg_to_vf(hw
, vf
->vf_id
, v_opcode
, v_retval
,
1034 dev_err(&pf
->pdev
->dev
,
1035 "Unable to send the message to VF %d aq_err %d\n",
1036 vf
->vf_id
, pf
->hw
.aq
.asq_last_status
);
1044 * i40e_vc_send_resp_to_vf
1045 * @vf: pointer to the vf info
1046 * @opcode: operation code
1047 * @retval: return value
1049 * send resp msg to vf
1051 static int i40e_vc_send_resp_to_vf(struct i40e_vf
*vf
,
1052 enum i40e_virtchnl_ops opcode
,
1055 return i40e_vc_send_msg_to_vf(vf
, opcode
, retval
, NULL
, 0);
1059 * i40e_vc_get_version_msg
1060 * @vf: pointer to the vf info
1062 * called from the vf to request the API version used by the PF
1064 static int i40e_vc_get_version_msg(struct i40e_vf
*vf
)
1066 struct i40e_virtchnl_version_info info
= {
1067 I40E_VIRTCHNL_VERSION_MAJOR
, I40E_VIRTCHNL_VERSION_MINOR
1070 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_VERSION
,
1071 I40E_SUCCESS
, (u8
*)&info
,
1073 i40e_virtchnl_version_info
));
1077 * i40e_vc_get_vf_resources_msg
1078 * @vf: pointer to the vf info
1079 * @msg: pointer to the msg buffer
1080 * @msglen: msg length
1082 * called from the vf to request its resources
1084 static int i40e_vc_get_vf_resources_msg(struct i40e_vf
*vf
)
1086 struct i40e_virtchnl_vf_resource
*vfres
= NULL
;
1087 struct i40e_pf
*pf
= vf
->pf
;
1088 i40e_status aq_ret
= 0;
1089 struct i40e_vsi
*vsi
;
1094 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
1095 aq_ret
= I40E_ERR_PARAM
;
1099 len
= (sizeof(struct i40e_virtchnl_vf_resource
) +
1100 sizeof(struct i40e_virtchnl_vsi_resource
) * num_vsis
);
1102 vfres
= kzalloc(len
, GFP_KERNEL
);
1104 aq_ret
= I40E_ERR_NO_MEMORY
;
1109 vfres
->vf_offload_flags
= I40E_VIRTCHNL_VF_OFFLOAD_L2
;
1110 vsi
= pf
->vsi
[vf
->lan_vsi_index
];
1111 if (!vsi
->info
.pvid
)
1112 vfres
->vf_offload_flags
|= I40E_VIRTCHNL_VF_OFFLOAD_VLAN
;
1114 vfres
->num_vsis
= num_vsis
;
1115 vfres
->num_queue_pairs
= vf
->num_queue_pairs
;
1116 vfres
->max_vectors
= pf
->hw
.func_caps
.num_msix_vectors_vf
;
1117 if (vf
->lan_vsi_index
) {
1118 vfres
->vsi_res
[i
].vsi_id
= vf
->lan_vsi_index
;
1119 vfres
->vsi_res
[i
].vsi_type
= I40E_VSI_SRIOV
;
1120 vfres
->vsi_res
[i
].num_queue_pairs
=
1121 pf
->vsi
[vf
->lan_vsi_index
]->num_queue_pairs
;
1122 memcpy(vfres
->vsi_res
[i
].default_mac_addr
,
1123 vf
->default_lan_addr
.addr
, ETH_ALEN
);
1126 set_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
);
1129 /* send the response back to the vf */
1130 ret
= i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_VF_RESOURCES
,
1131 aq_ret
, (u8
*)vfres
, len
);
1138 * i40e_vc_reset_vf_msg
1139 * @vf: pointer to the vf info
1140 * @msg: pointer to the msg buffer
1141 * @msglen: msg length
1143 * called from the vf to reset itself,
1144 * unlike other virtchnl messages, pf driver
1145 * doesn't send the response back to the vf
1147 static int i40e_vc_reset_vf_msg(struct i40e_vf
*vf
)
1149 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
))
1152 return i40e_reset_vf(vf
, false);
1156 * i40e_vc_config_promiscuous_mode_msg
1157 * @vf: pointer to the vf info
1158 * @msg: pointer to the msg buffer
1159 * @msglen: msg length
1161 * called from the vf to configure the promiscuous mode of
1164 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf
*vf
,
1165 u8
*msg
, u16 msglen
)
1167 struct i40e_virtchnl_promisc_info
*info
=
1168 (struct i40e_virtchnl_promisc_info
*)msg
;
1169 struct i40e_pf
*pf
= vf
->pf
;
1170 struct i40e_hw
*hw
= &pf
->hw
;
1171 bool allmulti
= false;
1172 bool promisc
= false;
1175 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1176 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1177 !i40e_vc_isvalid_vsi_id(vf
, info
->vsi_id
) ||
1178 (pf
->vsi
[info
->vsi_id
]->type
!= I40E_VSI_FCOE
)) {
1179 aq_ret
= I40E_ERR_PARAM
;
1183 if (info
->flags
& I40E_FLAG_VF_UNICAST_PROMISC
)
1185 aq_ret
= i40e_aq_set_vsi_unicast_promiscuous(hw
, info
->vsi_id
,
1190 if (info
->flags
& I40E_FLAG_VF_MULTICAST_PROMISC
)
1192 aq_ret
= i40e_aq_set_vsi_multicast_promiscuous(hw
, info
->vsi_id
,
1196 /* send the response to the vf */
1197 return i40e_vc_send_resp_to_vf(vf
,
1198 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
,
1203 * i40e_vc_config_queues_msg
1204 * @vf: pointer to the vf info
1205 * @msg: pointer to the msg buffer
1206 * @msglen: msg length
1208 * called from the vf to configure the rx/tx
1211 static int i40e_vc_config_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1213 struct i40e_virtchnl_vsi_queue_config_info
*qci
=
1214 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1215 struct i40e_virtchnl_queue_pair_info
*qpi
;
1216 u16 vsi_id
, vsi_queue_id
;
1217 i40e_status aq_ret
= 0;
1220 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1221 aq_ret
= I40E_ERR_PARAM
;
1225 vsi_id
= qci
->vsi_id
;
1226 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1227 aq_ret
= I40E_ERR_PARAM
;
1230 for (i
= 0; i
< qci
->num_queue_pairs
; i
++) {
1231 qpi
= &qci
->qpair
[i
];
1232 vsi_queue_id
= qpi
->txq
.queue_id
;
1233 if ((qpi
->txq
.vsi_id
!= vsi_id
) ||
1234 (qpi
->rxq
.vsi_id
!= vsi_id
) ||
1235 (qpi
->rxq
.queue_id
!= vsi_queue_id
) ||
1236 !i40e_vc_isvalid_queue_id(vf
, vsi_id
, vsi_queue_id
)) {
1237 aq_ret
= I40E_ERR_PARAM
;
1241 if (i40e_config_vsi_rx_queue(vf
, vsi_id
, vsi_queue_id
,
1243 i40e_config_vsi_tx_queue(vf
, vsi_id
, vsi_queue_id
,
1245 aq_ret
= I40E_ERR_PARAM
;
1251 /* send the response to the vf */
1252 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
,
1257 * i40e_vc_config_irq_map_msg
1258 * @vf: pointer to the vf info
1259 * @msg: pointer to the msg buffer
1260 * @msglen: msg length
1262 * called from the vf to configure the irq to
1265 static int i40e_vc_config_irq_map_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1267 struct i40e_virtchnl_irq_map_info
*irqmap_info
=
1268 (struct i40e_virtchnl_irq_map_info
*)msg
;
1269 struct i40e_virtchnl_vector_map
*map
;
1270 u16 vsi_id
, vsi_queue_id
, vector_id
;
1271 i40e_status aq_ret
= 0;
1272 unsigned long tempmap
;
1275 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1276 aq_ret
= I40E_ERR_PARAM
;
1280 for (i
= 0; i
< irqmap_info
->num_vectors
; i
++) {
1281 map
= &irqmap_info
->vecmap
[i
];
1283 vector_id
= map
->vector_id
;
1284 vsi_id
= map
->vsi_id
;
1285 /* validate msg params */
1286 if (!i40e_vc_isvalid_vector_id(vf
, vector_id
) ||
1287 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1288 aq_ret
= I40E_ERR_PARAM
;
1292 /* lookout for the invalid queue index */
1293 tempmap
= map
->rxq_map
;
1294 vsi_queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1295 while (vsi_queue_id
< I40E_MAX_VSI_QP
) {
1296 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1298 aq_ret
= I40E_ERR_PARAM
;
1301 vsi_queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1305 tempmap
= map
->txq_map
;
1306 vsi_queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1307 while (vsi_queue_id
< I40E_MAX_VSI_QP
) {
1308 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
,
1310 aq_ret
= I40E_ERR_PARAM
;
1313 vsi_queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1317 i40e_config_irq_link_list(vf
, vsi_id
, map
);
1320 /* send the response to the vf */
1321 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
,
1326 * i40e_vc_enable_queues_msg
1327 * @vf: pointer to the vf info
1328 * @msg: pointer to the msg buffer
1329 * @msglen: msg length
1331 * called from the vf to enable all or specific queue(s)
1333 static int i40e_vc_enable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1335 struct i40e_virtchnl_queue_select
*vqs
=
1336 (struct i40e_virtchnl_queue_select
*)msg
;
1337 struct i40e_pf
*pf
= vf
->pf
;
1338 u16 vsi_id
= vqs
->vsi_id
;
1339 i40e_status aq_ret
= 0;
1340 unsigned long tempmap
;
1343 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1344 aq_ret
= I40E_ERR_PARAM
;
1348 if (!i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1349 aq_ret
= I40E_ERR_PARAM
;
1353 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1354 aq_ret
= I40E_ERR_PARAM
;
1358 tempmap
= vqs
->rx_queues
;
1359 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1360 while (queue_id
< I40E_MAX_VSI_QP
) {
1361 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
, queue_id
)) {
1362 aq_ret
= I40E_ERR_PARAM
;
1365 i40e_ctrl_vsi_rx_queue(vf
, vsi_id
, queue_id
,
1366 I40E_QUEUE_CTRL_ENABLE
);
1368 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1372 tempmap
= vqs
->tx_queues
;
1373 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1374 while (queue_id
< I40E_MAX_VSI_QP
) {
1375 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
, queue_id
)) {
1376 aq_ret
= I40E_ERR_PARAM
;
1379 i40e_ctrl_vsi_tx_queue(vf
, vsi_id
, queue_id
,
1380 I40E_QUEUE_CTRL_ENABLE
);
1382 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1386 /* Poll the status register to make sure that the
1387 * requested op was completed successfully
1391 tempmap
= vqs
->rx_queues
;
1392 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1393 while (queue_id
< I40E_MAX_VSI_QP
) {
1394 if (i40e_ctrl_vsi_rx_queue(vf
, vsi_id
, queue_id
,
1395 I40E_QUEUE_CTRL_ENABLECHECK
)) {
1396 dev_err(&pf
->pdev
->dev
,
1397 "Queue control check failed on RX queue %d of VSI %d VF %d\n",
1398 queue_id
, vsi_id
, vf
->vf_id
);
1400 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1404 tempmap
= vqs
->tx_queues
;
1405 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1406 while (queue_id
< I40E_MAX_VSI_QP
) {
1407 if (i40e_ctrl_vsi_tx_queue(vf
, vsi_id
, queue_id
,
1408 I40E_QUEUE_CTRL_ENABLECHECK
)) {
1409 dev_err(&pf
->pdev
->dev
,
1410 "Queue control check failed on TX queue %d of VSI %d VF %d\n",
1411 queue_id
, vsi_id
, vf
->vf_id
);
1413 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1418 /* send the response to the vf */
1419 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ENABLE_QUEUES
,
1424 * i40e_vc_disable_queues_msg
1425 * @vf: pointer to the vf info
1426 * @msg: pointer to the msg buffer
1427 * @msglen: msg length
1429 * called from the vf to disable all or specific
1432 static int i40e_vc_disable_queues_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1434 struct i40e_virtchnl_queue_select
*vqs
=
1435 (struct i40e_virtchnl_queue_select
*)msg
;
1436 struct i40e_pf
*pf
= vf
->pf
;
1437 u16 vsi_id
= vqs
->vsi_id
;
1438 i40e_status aq_ret
= 0;
1439 unsigned long tempmap
;
1442 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1443 aq_ret
= I40E_ERR_PARAM
;
1447 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1448 aq_ret
= I40E_ERR_PARAM
;
1452 if ((0 == vqs
->rx_queues
) && (0 == vqs
->tx_queues
)) {
1453 aq_ret
= I40E_ERR_PARAM
;
1457 tempmap
= vqs
->rx_queues
;
1458 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1459 while (queue_id
< I40E_MAX_VSI_QP
) {
1460 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
, queue_id
)) {
1461 aq_ret
= I40E_ERR_PARAM
;
1464 i40e_ctrl_vsi_rx_queue(vf
, vsi_id
, queue_id
,
1465 I40E_QUEUE_CTRL_DISABLE
);
1467 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1471 tempmap
= vqs
->tx_queues
;
1472 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1473 while (queue_id
< I40E_MAX_VSI_QP
) {
1474 if (!i40e_vc_isvalid_queue_id(vf
, vsi_id
, queue_id
)) {
1475 aq_ret
= I40E_ERR_PARAM
;
1478 i40e_ctrl_vsi_tx_queue(vf
, vsi_id
, queue_id
,
1479 I40E_QUEUE_CTRL_DISABLE
);
1481 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1485 /* Poll the status register to make sure that the
1486 * requested op was completed successfully
1490 tempmap
= vqs
->rx_queues
;
1491 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1492 while (queue_id
< I40E_MAX_VSI_QP
) {
1493 if (i40e_ctrl_vsi_rx_queue(vf
, vsi_id
, queue_id
,
1494 I40E_QUEUE_CTRL_DISABLECHECK
)) {
1495 dev_err(&pf
->pdev
->dev
,
1496 "Queue control check failed on RX queue %d of VSI %d VF %d\n",
1497 queue_id
, vsi_id
, vf
->vf_id
);
1499 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1503 tempmap
= vqs
->tx_queues
;
1504 queue_id
= find_first_bit(&tempmap
, I40E_MAX_VSI_QP
);
1505 while (queue_id
< I40E_MAX_VSI_QP
) {
1506 if (i40e_ctrl_vsi_tx_queue(vf
, vsi_id
, queue_id
,
1507 I40E_QUEUE_CTRL_DISABLECHECK
)) {
1508 dev_err(&pf
->pdev
->dev
,
1509 "Queue control check failed on TX queue %d of VSI %d VF %d\n",
1510 queue_id
, vsi_id
, vf
->vf_id
);
1512 queue_id
= find_next_bit(&tempmap
, I40E_MAX_VSI_QP
,
1517 /* send the response to the vf */
1518 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DISABLE_QUEUES
,
1523 * i40e_vc_get_stats_msg
1524 * @vf: pointer to the vf info
1525 * @msg: pointer to the msg buffer
1526 * @msglen: msg length
1528 * called from the vf to get vsi stats
1530 static int i40e_vc_get_stats_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1532 struct i40e_virtchnl_queue_select
*vqs
=
1533 (struct i40e_virtchnl_queue_select
*)msg
;
1534 struct i40e_pf
*pf
= vf
->pf
;
1535 struct i40e_eth_stats stats
;
1536 i40e_status aq_ret
= 0;
1537 struct i40e_vsi
*vsi
;
1539 memset(&stats
, 0, sizeof(struct i40e_eth_stats
));
1541 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
)) {
1542 aq_ret
= I40E_ERR_PARAM
;
1546 if (!i40e_vc_isvalid_vsi_id(vf
, vqs
->vsi_id
)) {
1547 aq_ret
= I40E_ERR_PARAM
;
1551 vsi
= pf
->vsi
[vqs
->vsi_id
];
1553 aq_ret
= I40E_ERR_PARAM
;
1556 i40e_update_eth_stats(vsi
);
1557 memcpy(&stats
, &vsi
->eth_stats
, sizeof(struct i40e_eth_stats
));
1560 /* send the response back to the vf */
1561 return i40e_vc_send_msg_to_vf(vf
, I40E_VIRTCHNL_OP_GET_STATS
, aq_ret
,
1562 (u8
*)&stats
, sizeof(stats
));
1566 * i40e_vc_add_mac_addr_msg
1567 * @vf: pointer to the vf info
1568 * @msg: pointer to the msg buffer
1569 * @msglen: msg length
1571 * add guest mac address filter
1573 static int i40e_vc_add_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1575 struct i40e_virtchnl_ether_addr_list
*al
=
1576 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1577 struct i40e_pf
*pf
= vf
->pf
;
1578 struct i40e_vsi
*vsi
= NULL
;
1579 u16 vsi_id
= al
->vsi_id
;
1580 i40e_status aq_ret
= 0;
1583 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1584 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1585 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1586 aq_ret
= I40E_ERR_PARAM
;
1590 for (i
= 0; i
< al
->num_elements
; i
++) {
1591 if (is_broadcast_ether_addr(al
->list
[i
].addr
) ||
1592 is_zero_ether_addr(al
->list
[i
].addr
)) {
1593 dev_err(&pf
->pdev
->dev
, "invalid VF MAC addr %pMAC\n",
1595 aq_ret
= I40E_ERR_PARAM
;
1599 vsi
= pf
->vsi
[vsi_id
];
1601 /* add new addresses to the list */
1602 for (i
= 0; i
< al
->num_elements
; i
++) {
1603 struct i40e_mac_filter
*f
;
1605 f
= i40e_find_mac(vsi
, al
->list
[i
].addr
, true, false);
1607 if (i40e_is_vsi_in_vlan(vsi
))
1608 f
= i40e_put_mac_in_vlan(vsi
, al
->list
[i
].addr
,
1611 f
= i40e_add_filter(vsi
, al
->list
[i
].addr
, -1,
1616 dev_err(&pf
->pdev
->dev
,
1617 "Unable to add VF MAC filter\n");
1618 aq_ret
= I40E_ERR_PARAM
;
1623 /* program the updated filter list */
1624 if (i40e_sync_vsi_filters(vsi
))
1625 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1628 /* send the response to the vf */
1629 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
,
1634 * i40e_vc_del_mac_addr_msg
1635 * @vf: pointer to the vf info
1636 * @msg: pointer to the msg buffer
1637 * @msglen: msg length
1639 * remove guest mac address filter
1641 static int i40e_vc_del_mac_addr_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1643 struct i40e_virtchnl_ether_addr_list
*al
=
1644 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1645 struct i40e_pf
*pf
= vf
->pf
;
1646 struct i40e_vsi
*vsi
= NULL
;
1647 u16 vsi_id
= al
->vsi_id
;
1648 i40e_status aq_ret
= 0;
1651 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1652 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1653 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1654 aq_ret
= I40E_ERR_PARAM
;
1657 vsi
= pf
->vsi
[vsi_id
];
1659 /* delete addresses from the list */
1660 for (i
= 0; i
< al
->num_elements
; i
++)
1661 i40e_del_filter(vsi
, al
->list
[i
].addr
,
1662 I40E_VLAN_ANY
, true, false);
1664 /* program the updated filter list */
1665 if (i40e_sync_vsi_filters(vsi
))
1666 dev_err(&pf
->pdev
->dev
, "Unable to program VF MAC filters\n");
1669 /* send the response to the vf */
1670 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
,
1675 * i40e_vc_add_vlan_msg
1676 * @vf: pointer to the vf info
1677 * @msg: pointer to the msg buffer
1678 * @msglen: msg length
1680 * program guest vlan id
1682 static int i40e_vc_add_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1684 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1685 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1686 struct i40e_pf
*pf
= vf
->pf
;
1687 struct i40e_vsi
*vsi
= NULL
;
1688 u16 vsi_id
= vfl
->vsi_id
;
1689 i40e_status aq_ret
= 0;
1692 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1693 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1694 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1695 aq_ret
= I40E_ERR_PARAM
;
1699 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1700 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1701 aq_ret
= I40E_ERR_PARAM
;
1702 dev_err(&pf
->pdev
->dev
,
1703 "invalid VF VLAN id %d\n", vfl
->vlan_id
[i
]);
1707 vsi
= pf
->vsi
[vsi_id
];
1708 if (vsi
->info
.pvid
) {
1709 aq_ret
= I40E_ERR_PARAM
;
1713 i40e_vlan_stripping_enable(vsi
);
1714 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1715 /* add new VLAN filter */
1716 int ret
= i40e_vsi_add_vlan(vsi
, vfl
->vlan_id
[i
]);
1718 dev_err(&pf
->pdev
->dev
,
1719 "Unable to add VF vlan filter %d, error %d\n",
1720 vfl
->vlan_id
[i
], ret
);
1724 /* send the response to the vf */
1725 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_ADD_VLAN
, aq_ret
);
1729 * i40e_vc_remove_vlan_msg
1730 * @vf: pointer to the vf info
1731 * @msg: pointer to the msg buffer
1732 * @msglen: msg length
1734 * remove programmed guest vlan id
1736 static int i40e_vc_remove_vlan_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1738 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1739 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1740 struct i40e_pf
*pf
= vf
->pf
;
1741 struct i40e_vsi
*vsi
= NULL
;
1742 u16 vsi_id
= vfl
->vsi_id
;
1743 i40e_status aq_ret
= 0;
1746 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1747 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE
, &vf
->vf_caps
) ||
1748 !i40e_vc_isvalid_vsi_id(vf
, vsi_id
)) {
1749 aq_ret
= I40E_ERR_PARAM
;
1753 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1754 if (vfl
->vlan_id
[i
] > I40E_MAX_VLANID
) {
1755 aq_ret
= I40E_ERR_PARAM
;
1760 vsi
= pf
->vsi
[vsi_id
];
1761 if (vsi
->info
.pvid
) {
1762 aq_ret
= I40E_ERR_PARAM
;
1766 for (i
= 0; i
< vfl
->num_elements
; i
++) {
1767 int ret
= i40e_vsi_kill_vlan(vsi
, vfl
->vlan_id
[i
]);
1769 dev_err(&pf
->pdev
->dev
,
1770 "Unable to delete VF vlan filter %d, error %d\n",
1771 vfl
->vlan_id
[i
], ret
);
1775 /* send the response to the vf */
1776 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_DEL_VLAN
, aq_ret
);
1781 * @vf: pointer to the vf info
1782 * @msg: pointer to the msg buffer
1783 * @msglen: msg length
1785 * called from the vf for the fcoe msgs
1787 static int i40e_vc_fcoe_msg(struct i40e_vf
*vf
, u8
*msg
, u16 msglen
)
1789 i40e_status aq_ret
= 0;
1791 if (!test_bit(I40E_VF_STAT_ACTIVE
, &vf
->vf_states
) ||
1792 !test_bit(I40E_VF_STAT_FCOEENA
, &vf
->vf_states
)) {
1793 aq_ret
= I40E_ERR_PARAM
;
1796 aq_ret
= I40E_ERR_NOT_IMPLEMENTED
;
1799 /* send the response to the vf */
1800 return i40e_vc_send_resp_to_vf(vf
, I40E_VIRTCHNL_OP_FCOE
, aq_ret
);
1804 * i40e_vc_validate_vf_msg
1805 * @vf: pointer to the vf info
1806 * @msg: pointer to the msg buffer
1807 * @msglen: msg length
1808 * @msghndl: msg handle
1812 static int i40e_vc_validate_vf_msg(struct i40e_vf
*vf
, u32 v_opcode
,
1813 u32 v_retval
, u8
*msg
, u16 msglen
)
1815 bool err_msg_format
= false;
1818 /* Check if VF is disabled. */
1819 if (test_bit(I40E_VF_STAT_DISABLED
, &vf
->vf_states
))
1820 return I40E_ERR_PARAM
;
1822 /* Validate message length. */
1824 case I40E_VIRTCHNL_OP_VERSION
:
1825 valid_len
= sizeof(struct i40e_virtchnl_version_info
);
1827 case I40E_VIRTCHNL_OP_RESET_VF
:
1828 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1831 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE
:
1832 valid_len
= sizeof(struct i40e_virtchnl_txq_info
);
1834 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE
:
1835 valid_len
= sizeof(struct i40e_virtchnl_rxq_info
);
1837 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1838 valid_len
= sizeof(struct i40e_virtchnl_vsi_queue_config_info
);
1839 if (msglen
>= valid_len
) {
1840 struct i40e_virtchnl_vsi_queue_config_info
*vqc
=
1841 (struct i40e_virtchnl_vsi_queue_config_info
*)msg
;
1842 valid_len
+= (vqc
->num_queue_pairs
*
1844 i40e_virtchnl_queue_pair_info
));
1845 if (vqc
->num_queue_pairs
== 0)
1846 err_msg_format
= true;
1849 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1850 valid_len
= sizeof(struct i40e_virtchnl_irq_map_info
);
1851 if (msglen
>= valid_len
) {
1852 struct i40e_virtchnl_irq_map_info
*vimi
=
1853 (struct i40e_virtchnl_irq_map_info
*)msg
;
1854 valid_len
+= (vimi
->num_vectors
*
1855 sizeof(struct i40e_virtchnl_vector_map
));
1856 if (vimi
->num_vectors
== 0)
1857 err_msg_format
= true;
1860 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1861 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1862 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1864 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1865 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1866 valid_len
= sizeof(struct i40e_virtchnl_ether_addr_list
);
1867 if (msglen
>= valid_len
) {
1868 struct i40e_virtchnl_ether_addr_list
*veal
=
1869 (struct i40e_virtchnl_ether_addr_list
*)msg
;
1870 valid_len
+= veal
->num_elements
*
1871 sizeof(struct i40e_virtchnl_ether_addr
);
1872 if (veal
->num_elements
== 0)
1873 err_msg_format
= true;
1876 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1877 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1878 valid_len
= sizeof(struct i40e_virtchnl_vlan_filter_list
);
1879 if (msglen
>= valid_len
) {
1880 struct i40e_virtchnl_vlan_filter_list
*vfl
=
1881 (struct i40e_virtchnl_vlan_filter_list
*)msg
;
1882 valid_len
+= vfl
->num_elements
* sizeof(u16
);
1883 if (vfl
->num_elements
== 0)
1884 err_msg_format
= true;
1887 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1888 valid_len
= sizeof(struct i40e_virtchnl_promisc_info
);
1890 case I40E_VIRTCHNL_OP_GET_STATS
:
1891 valid_len
= sizeof(struct i40e_virtchnl_queue_select
);
1893 /* These are always errors coming from the VF. */
1894 case I40E_VIRTCHNL_OP_EVENT
:
1895 case I40E_VIRTCHNL_OP_UNKNOWN
:
1900 /* few more checks */
1901 if ((valid_len
!= msglen
) || (err_msg_format
)) {
1902 i40e_vc_send_resp_to_vf(vf
, v_opcode
, I40E_ERR_PARAM
);
1910 * i40e_vc_process_vf_msg
1911 * @pf: pointer to the pf structure
1912 * @vf_id: source vf id
1913 * @msg: pointer to the msg buffer
1914 * @msglen: msg length
1915 * @msghndl: msg handle
1917 * called from the common aeq/arq handler to
1918 * process request from vf
1920 int i40e_vc_process_vf_msg(struct i40e_pf
*pf
, u16 vf_id
, u32 v_opcode
,
1921 u32 v_retval
, u8
*msg
, u16 msglen
)
1923 struct i40e_vf
*vf
= &(pf
->vf
[vf_id
]);
1924 struct i40e_hw
*hw
= &pf
->hw
;
1927 pf
->vf_aq_requests
++;
1928 /* perform basic checks on the msg */
1929 ret
= i40e_vc_validate_vf_msg(vf
, v_opcode
, v_retval
, msg
, msglen
);
1932 dev_err(&pf
->pdev
->dev
, "invalid message from vf %d\n", vf_id
);
1935 wr32(hw
, I40E_VFGEN_RSTAT1(vf_id
), I40E_VFR_VFACTIVE
);
1937 case I40E_VIRTCHNL_OP_VERSION
:
1938 ret
= i40e_vc_get_version_msg(vf
);
1940 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES
:
1941 ret
= i40e_vc_get_vf_resources_msg(vf
);
1943 case I40E_VIRTCHNL_OP_RESET_VF
:
1944 ret
= i40e_vc_reset_vf_msg(vf
);
1946 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE
:
1947 ret
= i40e_vc_config_promiscuous_mode_msg(vf
, msg
, msglen
);
1949 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES
:
1950 ret
= i40e_vc_config_queues_msg(vf
, msg
, msglen
);
1952 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP
:
1953 ret
= i40e_vc_config_irq_map_msg(vf
, msg
, msglen
);
1955 case I40E_VIRTCHNL_OP_ENABLE_QUEUES
:
1956 ret
= i40e_vc_enable_queues_msg(vf
, msg
, msglen
);
1958 case I40E_VIRTCHNL_OP_DISABLE_QUEUES
:
1959 ret
= i40e_vc_disable_queues_msg(vf
, msg
, msglen
);
1961 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS
:
1962 ret
= i40e_vc_add_mac_addr_msg(vf
, msg
, msglen
);
1964 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS
:
1965 ret
= i40e_vc_del_mac_addr_msg(vf
, msg
, msglen
);
1967 case I40E_VIRTCHNL_OP_ADD_VLAN
:
1968 ret
= i40e_vc_add_vlan_msg(vf
, msg
, msglen
);
1970 case I40E_VIRTCHNL_OP_DEL_VLAN
:
1971 ret
= i40e_vc_remove_vlan_msg(vf
, msg
, msglen
);
1973 case I40E_VIRTCHNL_OP_GET_STATS
:
1974 ret
= i40e_vc_get_stats_msg(vf
, msg
, msglen
);
1976 case I40E_VIRTCHNL_OP_FCOE
:
1977 ret
= i40e_vc_fcoe_msg(vf
, msg
, msglen
);
1979 case I40E_VIRTCHNL_OP_UNKNOWN
:
1981 dev_err(&pf
->pdev
->dev
,
1982 "Unsupported opcode %d from vf %d\n", v_opcode
, vf_id
);
1983 ret
= i40e_vc_send_resp_to_vf(vf
, v_opcode
,
1984 I40E_ERR_NOT_IMPLEMENTED
);
1992 * i40e_vc_process_vflr_event
1993 * @pf: pointer to the pf structure
1995 * called from the vlfr irq handler to
1996 * free up vf resources and state variables
1998 int i40e_vc_process_vflr_event(struct i40e_pf
*pf
)
2000 u32 reg
, reg_idx
, bit_idx
, vf_id
;
2001 struct i40e_hw
*hw
= &pf
->hw
;
2004 if (!test_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
))
2007 clear_bit(__I40E_VFLR_EVENT_PENDING
, &pf
->state
);
2008 for (vf_id
= 0; vf_id
< pf
->num_alloc_vfs
; vf_id
++) {
2009 reg_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) / 32;
2010 bit_idx
= (hw
->func_caps
.vf_base_id
+ vf_id
) % 32;
2011 /* read GLGEN_VFLRSTAT register to find out the flr vfs */
2012 vf
= &pf
->vf
[vf_id
];
2013 reg
= rd32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
));
2014 if (reg
& (1 << bit_idx
)) {
2015 /* clear the bit in GLGEN_VFLRSTAT */
2016 wr32(hw
, I40E_GLGEN_VFLRSTAT(reg_idx
), (1 << bit_idx
));
2018 if (i40e_reset_vf(vf
, true))
2019 dev_err(&pf
->pdev
->dev
,
2020 "Unable to reset the VF %d\n", vf_id
);
2021 /* free up vf resources to destroy vsi state */
2022 i40e_free_vf_res(vf
);
2024 /* allocate new vf resources with the default state */
2025 if (i40e_alloc_vf_res(vf
))
2026 dev_err(&pf
->pdev
->dev
,
2027 "Unable to allocate VF resources %d\n",
2030 i40e_enable_vf_mappings(vf
);
2034 /* re-enable vflr interrupt cause */
2035 reg
= rd32(hw
, I40E_PFINT_ICR0_ENA
);
2036 reg
|= I40E_PFINT_ICR0_ENA_VFLR_MASK
;
2037 wr32(hw
, I40E_PFINT_ICR0_ENA
, reg
);
2044 * i40e_vc_vf_broadcast
2045 * @pf: pointer to the pf structure
2046 * @opcode: operation code
2047 * @retval: return value
2048 * @msg: pointer to the msg buffer
2049 * @msglen: msg length
2051 * send a message to all VFs on a given PF
2053 static void i40e_vc_vf_broadcast(struct i40e_pf
*pf
,
2054 enum i40e_virtchnl_ops v_opcode
,
2055 i40e_status v_retval
, u8
*msg
,
2058 struct i40e_hw
*hw
= &pf
->hw
;
2059 struct i40e_vf
*vf
= pf
->vf
;
2062 for (i
= 0; i
< pf
->num_alloc_vfs
; i
++) {
2063 /* Ignore return value on purpose - a given VF may fail, but
2064 * we need to keep going and send to all of them
2066 i40e_aq_send_msg_to_vf(hw
, vf
->vf_id
, v_opcode
, v_retval
,
2073 * i40e_vc_notify_link_state
2074 * @pf: pointer to the pf structure
2076 * send a link status message to all VFs on a given PF
2078 void i40e_vc_notify_link_state(struct i40e_pf
*pf
)
2080 struct i40e_virtchnl_pf_event pfe
;
2082 pfe
.event
= I40E_VIRTCHNL_EVENT_LINK_CHANGE
;
2083 pfe
.severity
= I40E_PF_EVENT_SEVERITY_INFO
;
2084 pfe
.event_data
.link_event
.link_status
=
2085 pf
->hw
.phy
.link_info
.link_info
& I40E_AQ_LINK_UP
;
2086 pfe
.event_data
.link_event
.link_speed
= pf
->hw
.phy
.link_info
.link_speed
;
2088 i40e_vc_vf_broadcast(pf
, I40E_VIRTCHNL_OP_EVENT
, I40E_SUCCESS
,
2089 (u8
*)&pfe
, sizeof(struct i40e_virtchnl_pf_event
));
2093 * i40e_vc_notify_reset
2094 * @pf: pointer to the pf structure
2096 * indicate a pending reset to all VFs on a given PF
2098 void i40e_vc_notify_reset(struct i40e_pf
*pf
)
2100 struct i40e_virtchnl_pf_event pfe
;
2102 pfe
.event
= I40E_VIRTCHNL_EVENT_RESET_IMPENDING
;
2103 pfe
.severity
= I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM
;
2104 i40e_vc_vf_broadcast(pf
, I40E_VIRTCHNL_OP_EVENT
, I40E_SUCCESS
,
2105 (u8
*)&pfe
, sizeof(struct i40e_virtchnl_pf_event
));
2109 * i40e_vc_notify_vf_reset
2110 * @vf: pointer to the vf structure
2112 * indicate a pending reset to the given VF
2114 void i40e_vc_notify_vf_reset(struct i40e_vf
*vf
)
2116 struct i40e_virtchnl_pf_event pfe
;
2118 pfe
.event
= I40E_VIRTCHNL_EVENT_RESET_IMPENDING
;
2119 pfe
.severity
= I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM
;
2120 i40e_aq_send_msg_to_vf(&vf
->pf
->hw
, vf
->vf_id
, I40E_VIRTCHNL_OP_EVENT
,
2121 I40E_SUCCESS
, (u8
*)&pfe
,
2122 sizeof(struct i40e_virtchnl_pf_event
), NULL
);
2126 * i40e_ndo_set_vf_mac
2127 * @netdev: network interface device structure
2128 * @vf_id: vf identifier
2131 * program vf mac address
2133 int i40e_ndo_set_vf_mac(struct net_device
*netdev
, int vf_id
, u8
*mac
)
2135 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2136 struct i40e_vsi
*vsi
= np
->vsi
;
2137 struct i40e_pf
*pf
= vsi
->back
;
2138 struct i40e_mac_filter
*f
;
2142 /* validate the request */
2143 if (vf_id
>= pf
->num_alloc_vfs
) {
2144 dev_err(&pf
->pdev
->dev
,
2145 "Invalid VF Identifier %d\n", vf_id
);
2150 vf
= &(pf
->vf
[vf_id
]);
2151 vsi
= pf
->vsi
[vf
->lan_vsi_index
];
2152 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2153 dev_err(&pf
->pdev
->dev
,
2154 "Uninitialized VF %d\n", vf_id
);
2159 if (!is_valid_ether_addr(mac
)) {
2160 dev_err(&pf
->pdev
->dev
,
2161 "Invalid VF ethernet address\n");
2166 /* delete the temporary mac address */
2167 i40e_del_filter(vsi
, vf
->default_lan_addr
.addr
, 0, true, false);
2169 /* add the new mac address */
2170 f
= i40e_add_filter(vsi
, mac
, 0, true, false);
2172 dev_err(&pf
->pdev
->dev
,
2173 "Unable to add VF ucast filter\n");
2178 dev_info(&pf
->pdev
->dev
, "Setting MAC %pM on VF %d\n", mac
, vf_id
);
2179 /* program mac filter */
2180 if (i40e_sync_vsi_filters(vsi
)) {
2181 dev_err(&pf
->pdev
->dev
, "Unable to program ucast filters\n");
2185 memcpy(vf
->default_lan_addr
.addr
, mac
, ETH_ALEN
);
2186 dev_info(&pf
->pdev
->dev
, "Reload the VF driver to make this change effective.\n");
2194 * i40e_ndo_set_vf_port_vlan
2195 * @netdev: network interface device structure
2196 * @vf_id: vf identifier
2197 * @vlan_id: mac address
2198 * @qos: priority setting
2200 * program vf vlan id and/or qos
2202 int i40e_ndo_set_vf_port_vlan(struct net_device
*netdev
,
2203 int vf_id
, u16 vlan_id
, u8 qos
)
2205 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2206 struct i40e_pf
*pf
= np
->vsi
->back
;
2207 struct i40e_vsi
*vsi
;
2211 /* validate the request */
2212 if (vf_id
>= pf
->num_alloc_vfs
) {
2213 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2218 if ((vlan_id
> I40E_MAX_VLANID
) || (qos
> 7)) {
2219 dev_err(&pf
->pdev
->dev
, "Invalid VF Parameters\n");
2224 vf
= &(pf
->vf
[vf_id
]);
2225 vsi
= pf
->vsi
[vf
->lan_vsi_index
];
2226 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2227 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2232 if (vsi
->info
.pvid
) {
2234 ret
= i40e_vsi_kill_vlan(vsi
, (le16_to_cpu(vsi
->info
.pvid
) &
2237 dev_info(&vsi
->back
->pdev
->dev
,
2238 "remove VLAN failed, ret=%d, aq_err=%d\n",
2239 ret
, pf
->hw
.aq
.asq_last_status
);
2243 ret
= i40e_vsi_add_pvid(vsi
,
2244 vlan_id
| (qos
<< I40E_VLAN_PRIORITY_SHIFT
));
2246 i40e_vlan_stripping_disable(vsi
);
2249 dev_info(&pf
->pdev
->dev
, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2250 vlan_id
, qos
, vf_id
);
2252 /* add new VLAN filter */
2253 ret
= i40e_vsi_add_vlan(vsi
, vlan_id
);
2255 dev_info(&vsi
->back
->pdev
->dev
,
2256 "add VF VLAN failed, ret=%d aq_err=%d\n", ret
,
2257 vsi
->back
->hw
.aq
.asq_last_status
);
2263 dev_err(&pf
->pdev
->dev
, "Unable to update VF vsi context\n");
2273 * i40e_ndo_set_vf_bw
2274 * @netdev: network interface device structure
2275 * @vf_id: vf identifier
2278 * configure vf tx rate
2280 int i40e_ndo_set_vf_bw(struct net_device
*netdev
, int vf_id
, int tx_rate
)
2286 * i40e_ndo_get_vf_config
2287 * @netdev: network interface device structure
2288 * @vf_id: vf identifier
2289 * @ivi: vf configuration structure
2291 * return vf configuration
2293 int i40e_ndo_get_vf_config(struct net_device
*netdev
,
2294 int vf_id
, struct ifla_vf_info
*ivi
)
2296 struct i40e_netdev_priv
*np
= netdev_priv(netdev
);
2297 struct i40e_mac_filter
*f
, *ftmp
;
2298 struct i40e_vsi
*vsi
= np
->vsi
;
2299 struct i40e_pf
*pf
= vsi
->back
;
2303 /* validate the request */
2304 if (vf_id
>= pf
->num_alloc_vfs
) {
2305 dev_err(&pf
->pdev
->dev
, "Invalid VF Identifier %d\n", vf_id
);
2310 vf
= &(pf
->vf
[vf_id
]);
2311 /* first vsi is always the LAN vsi */
2312 vsi
= pf
->vsi
[vf
->lan_vsi_index
];
2313 if (!test_bit(I40E_VF_STAT_INIT
, &vf
->vf_states
)) {
2314 dev_err(&pf
->pdev
->dev
, "Uninitialized VF %d\n", vf_id
);
2321 /* first entry of the list is the default ethernet address */
2322 list_for_each_entry_safe(f
, ftmp
, &vsi
->mac_filter_list
, list
) {
2323 memcpy(&ivi
->mac
, f
->macaddr
, I40E_ETH_LENGTH_OF_ADDRESS
);
2328 ivi
->vlan
= le16_to_cpu(vsi
->info
.pvid
) & I40E_VLAN_MASK
;
2329 ivi
->qos
= (le16_to_cpu(vsi
->info
.pvid
) & I40E_PRIORITY_MASK
) >>
2330 I40E_VLAN_PRIORITY_SHIFT
;