1 /* QLogic qed NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #ifndef _QED_VF_H
34 #define _QED_VF_H
35 
36 #include "qed_l2.h"
37 #include "qed_mcp.h"
38 
39 #define T_ETH_INDIRECTION_TABLE_SIZE 128
40 #define T_ETH_RSS_KEY_SIZE 10
41 
42 struct vf_pf_resc_request {
43 	u8 num_rxqs;
44 	u8 num_txqs;
45 	u8 num_sbs;
46 	u8 num_mac_filters;
47 	u8 num_vlan_filters;
48 	u8 num_mc_filters;
49 	u16 padding;
50 };
51 
52 struct hw_sb_info {
53 	u16 hw_sb_id;
54 	u8 sb_qid;
55 	u8 padding[5];
56 };
57 
58 #define TLV_BUFFER_SIZE                 1024
59 
60 enum {
61 	PFVF_STATUS_WAITING,
62 	PFVF_STATUS_SUCCESS,
63 	PFVF_STATUS_FAILURE,
64 	PFVF_STATUS_NOT_SUPPORTED,
65 	PFVF_STATUS_NO_RESOURCE,
66 	PFVF_STATUS_FORCED,
67 	PFVF_STATUS_MALICIOUS,
68 };
69 
70 /* vf pf channel tlvs */
71 /* general tlv header (used for both vf->pf request and pf->vf response) */
72 struct channel_tlv {
73 	u16 type;
74 	u16 length;
75 };
76 
77 /* header of first vf->pf tlv carries the offset used to calculate reponse
78  * buffer address
79  */
80 struct vfpf_first_tlv {
81 	struct channel_tlv tl;
82 	u32 padding;
83 	u64 reply_address;
84 };
85 
86 /* header of pf->vf tlvs, carries the status of handling the request */
87 struct pfvf_tlv {
88 	struct channel_tlv tl;
89 	u8 status;
90 	u8 padding[3];
91 };
92 
93 /* response tlv used for most tlvs */
94 struct pfvf_def_resp_tlv {
95 	struct pfvf_tlv hdr;
96 };
97 
98 /* used to terminate and pad a tlv list */
99 struct channel_list_end_tlv {
100 	struct channel_tlv tl;
101 	u8 padding[4];
102 };
103 
104 #define VFPF_ACQUIRE_OS_LINUX (0)
105 #define VFPF_ACQUIRE_OS_WINDOWS (1)
106 #define VFPF_ACQUIRE_OS_ESX (2)
107 #define VFPF_ACQUIRE_OS_SOLARIS (3)
108 #define VFPF_ACQUIRE_OS_LINUX_USERSPACE (4)
109 
110 struct vfpf_acquire_tlv {
111 	struct vfpf_first_tlv first_tlv;
112 
113 	struct vf_pf_vfdev_info {
114 #define VFPF_ACQUIRE_CAP_PRE_FP_HSI     (1 << 0) /* VF pre-FP hsi version */
115 #define VFPF_ACQUIRE_CAP_100G		(1 << 1) /* VF can support 100g */
116 		u64 capabilities;
117 		u8 fw_major;
118 		u8 fw_minor;
119 		u8 fw_revision;
120 		u8 fw_engineering;
121 		u32 driver_version;
122 		u16 opaque_fid;	/* ME register value */
123 		u8 os_type;	/* VFPF_ACQUIRE_OS_* value */
124 		u8 eth_fp_hsi_major;
125 		u8 eth_fp_hsi_minor;
126 		u8 padding[3];
127 	} vfdev_info;
128 
129 	struct vf_pf_resc_request resc_request;
130 
131 	u64 bulletin_addr;
132 	u32 bulletin_size;
133 	u32 padding;
134 };
135 
136 /* receive side scaling tlv */
137 struct vfpf_vport_update_rss_tlv {
138 	struct channel_tlv tl;
139 
140 	u8 update_rss_flags;
141 #define VFPF_UPDATE_RSS_CONFIG_FLAG       BIT(0)
142 #define VFPF_UPDATE_RSS_CAPS_FLAG         BIT(1)
143 #define VFPF_UPDATE_RSS_IND_TABLE_FLAG    BIT(2)
144 #define VFPF_UPDATE_RSS_KEY_FLAG          BIT(3)
145 
146 	u8 rss_enable;
147 	u8 rss_caps;
148 	u8 rss_table_size_log;	/* The table size is 2 ^ rss_table_size_log */
149 	u16 rss_ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
150 	u32 rss_key[T_ETH_RSS_KEY_SIZE];
151 };
152 
153 struct pfvf_storm_stats {
154 	u32 address;
155 	u32 len;
156 };
157 
158 struct pfvf_stats_info {
159 	struct pfvf_storm_stats mstats;
160 	struct pfvf_storm_stats pstats;
161 	struct pfvf_storm_stats tstats;
162 	struct pfvf_storm_stats ustats;
163 };
164 
165 struct pfvf_acquire_resp_tlv {
166 	struct pfvf_tlv hdr;
167 
168 	struct pf_vf_pfdev_info {
169 		u32 chip_num;
170 		u32 mfw_ver;
171 
172 		u16 fw_major;
173 		u16 fw_minor;
174 		u16 fw_rev;
175 		u16 fw_eng;
176 
177 		u64 capabilities;
178 #define PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED	BIT(0)
179 #define PFVF_ACQUIRE_CAP_100G			BIT(1)	/* If set, 100g PF */
180 /* There are old PF versions where the PF might mistakenly override the sanity
181  * mechanism [version-based] and allow a VF that can't be supported to pass
182  * the acquisition phase.
183  * To overcome this, PFs now indicate that they're past that point and the new
184  * VFs would fail probe on the older PFs that fail to do so.
185  */
186 #define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE	BIT(2)
187 
188 		u16 db_size;
189 		u8 indices_per_sb;
190 		u8 os_type;
191 
192 		/* These should match the PF's qed_dev values */
193 		u16 chip_rev;
194 		u8 dev_type;
195 
196 		u8 padding;
197 
198 		struct pfvf_stats_info stats_info;
199 
200 		u8 port_mac[ETH_ALEN];
201 
202 		/* It's possible PF had to configure an older fastpath HSI
203 		 * [in case VF is newer than PF]. This is communicated back
204 		 * to the VF. It can also be used in case of error due to
205 		 * non-matching versions to shed light in VF about failure.
206 		 */
207 		u8 major_fp_hsi;
208 		u8 minor_fp_hsi;
209 	} pfdev_info;
210 
211 	struct pf_vf_resc {
212 #define PFVF_MAX_QUEUES_PER_VF		16
213 #define PFVF_MAX_SBS_PER_VF		16
214 		struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
215 		u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
216 		u8 cid[PFVF_MAX_QUEUES_PER_VF];
217 
218 		u8 num_rxqs;
219 		u8 num_txqs;
220 		u8 num_sbs;
221 		u8 num_mac_filters;
222 		u8 num_vlan_filters;
223 		u8 num_mc_filters;
224 		u8 padding[2];
225 	} resc;
226 
227 	u32 bulletin_size;
228 	u32 padding;
229 };
230 
231 struct pfvf_start_queue_resp_tlv {
232 	struct pfvf_tlv hdr;
233 	u32 offset;		/* offset to consumer/producer of queue */
234 	u8 padding[4];
235 };
236 
237 /* Setup Queue */
238 struct vfpf_start_rxq_tlv {
239 	struct vfpf_first_tlv first_tlv;
240 
241 	/* physical addresses */
242 	u64 rxq_addr;
243 	u64 deprecated_sge_addr;
244 	u64 cqe_pbl_addr;
245 
246 	u16 cqe_pbl_size;
247 	u16 hw_sb;
248 	u16 rx_qid;
249 	u16 hc_rate;		/* desired interrupts per sec. */
250 
251 	u16 bd_max_bytes;
252 	u16 stat_id;
253 	u8 sb_index;
254 	u8 padding[3];
255 };
256 
257 struct vfpf_start_txq_tlv {
258 	struct vfpf_first_tlv first_tlv;
259 
260 	/* physical addresses */
261 	u64 pbl_addr;
262 	u16 pbl_size;
263 	u16 stat_id;
264 	u16 tx_qid;
265 	u16 hw_sb;
266 
267 	u32 flags;		/* VFPF_QUEUE_FLG_X flags */
268 	u16 hc_rate;		/* desired interrupts per sec. */
269 	u8 sb_index;
270 	u8 padding[3];
271 };
272 
273 /* Stop RX Queue */
274 struct vfpf_stop_rxqs_tlv {
275 	struct vfpf_first_tlv first_tlv;
276 
277 	u16 rx_qid;
278 
279 	/* this field is deprecated and should *always* be set to '1' */
280 	u8 num_rxqs;
281 	u8 cqe_completion;
282 	u8 padding[4];
283 };
284 
285 /* Stop TX Queues */
286 struct vfpf_stop_txqs_tlv {
287 	struct vfpf_first_tlv first_tlv;
288 
289 	u16 tx_qid;
290 
291 	/* this field is deprecated and should *always* be set to '1' */
292 	u8 num_txqs;
293 	u8 padding[5];
294 };
295 
296 struct vfpf_update_rxq_tlv {
297 	struct vfpf_first_tlv first_tlv;
298 
299 	u64 deprecated_sge_addr[PFVF_MAX_QUEUES_PER_VF];
300 
301 	u16 rx_qid;
302 	u8 num_rxqs;
303 	u8 flags;
304 #define VFPF_RXQ_UPD_INIT_SGE_DEPRECATE_FLAG    BIT(0)
305 #define VFPF_RXQ_UPD_COMPLETE_CQE_FLAG          BIT(1)
306 #define VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG        BIT(2)
307 
308 	u8 padding[4];
309 };
310 
311 /* Set Queue Filters */
312 struct vfpf_q_mac_vlan_filter {
313 	u32 flags;
314 #define VFPF_Q_FILTER_DEST_MAC_VALID    0x01
315 #define VFPF_Q_FILTER_VLAN_TAG_VALID    0x02
316 #define VFPF_Q_FILTER_SET_MAC           0x100	/* set/clear */
317 
318 	u8 mac[ETH_ALEN];
319 	u16 vlan_tag;
320 
321 	u8 padding[4];
322 };
323 
324 /* Start a vport */
325 struct vfpf_vport_start_tlv {
326 	struct vfpf_first_tlv first_tlv;
327 
328 	u64 sb_addr[PFVF_MAX_SBS_PER_VF];
329 
330 	u32 tpa_mode;
331 	u16 dep1;
332 	u16 mtu;
333 
334 	u8 vport_id;
335 	u8 inner_vlan_removal;
336 
337 	u8 only_untagged;
338 	u8 max_buffers_per_cqe;
339 
340 	u8 padding[4];
341 };
342 
343 /* Extended tlvs - need to add rss, mcast, accept mode tlvs */
344 struct vfpf_vport_update_activate_tlv {
345 	struct channel_tlv tl;
346 	u8 update_rx;
347 	u8 update_tx;
348 	u8 active_rx;
349 	u8 active_tx;
350 };
351 
352 struct vfpf_vport_update_tx_switch_tlv {
353 	struct channel_tlv tl;
354 	u8 tx_switching;
355 	u8 padding[3];
356 };
357 
358 struct vfpf_vport_update_vlan_strip_tlv {
359 	struct channel_tlv tl;
360 	u8 remove_vlan;
361 	u8 padding[3];
362 };
363 
364 struct vfpf_vport_update_mcast_bin_tlv {
365 	struct channel_tlv tl;
366 	u8 padding[4];
367 
368 	u64 bins[8];
369 };
370 
371 struct vfpf_vport_update_accept_param_tlv {
372 	struct channel_tlv tl;
373 	u8 update_rx_mode;
374 	u8 update_tx_mode;
375 	u8 rx_accept_filter;
376 	u8 tx_accept_filter;
377 };
378 
379 struct vfpf_vport_update_accept_any_vlan_tlv {
380 	struct channel_tlv tl;
381 	u8 update_accept_any_vlan_flg;
382 	u8 accept_any_vlan;
383 
384 	u8 padding[2];
385 };
386 
387 struct vfpf_vport_update_sge_tpa_tlv {
388 	struct channel_tlv tl;
389 
390 	u16 sge_tpa_flags;
391 #define VFPF_TPA_IPV4_EN_FLAG		BIT(0)
392 #define VFPF_TPA_IPV6_EN_FLAG		BIT(1)
393 #define VFPF_TPA_PKT_SPLIT_FLAG		BIT(2)
394 #define VFPF_TPA_HDR_DATA_SPLIT_FLAG	BIT(3)
395 #define VFPF_TPA_GRO_CONSIST_FLAG	BIT(4)
396 
397 	u8 update_sge_tpa_flags;
398 #define VFPF_UPDATE_SGE_DEPRECATED_FLAG	BIT(0)
399 #define VFPF_UPDATE_TPA_EN_FLAG		BIT(1)
400 #define VFPF_UPDATE_TPA_PARAM_FLAG	BIT(2)
401 
402 	u8 max_buffers_per_cqe;
403 
404 	u16 deprecated_sge_buff_size;
405 	u16 tpa_max_size;
406 	u16 tpa_min_size_to_start;
407 	u16 tpa_min_size_to_cont;
408 
409 	u8 tpa_max_aggs_num;
410 	u8 padding[7];
411 };
412 
413 /* Primary tlv as a header for various extended tlvs for
414  * various functionalities in vport update ramrod.
415  */
416 struct vfpf_vport_update_tlv {
417 	struct vfpf_first_tlv first_tlv;
418 };
419 
420 struct vfpf_ucast_filter_tlv {
421 	struct vfpf_first_tlv first_tlv;
422 
423 	u8 opcode;
424 	u8 type;
425 
426 	u8 mac[ETH_ALEN];
427 
428 	u16 vlan;
429 	u16 padding[3];
430 };
431 
432 /* tunnel update param tlv */
433 struct vfpf_update_tunn_param_tlv {
434 	struct vfpf_first_tlv first_tlv;
435 
436 	u8 tun_mode_update_mask;
437 	u8 tunn_mode;
438 	u8 update_tun_cls;
439 	u8 vxlan_clss;
440 	u8 l2gre_clss;
441 	u8 ipgre_clss;
442 	u8 l2geneve_clss;
443 	u8 ipgeneve_clss;
444 	u8 update_geneve_port;
445 	u8 update_vxlan_port;
446 	u16 geneve_port;
447 	u16 vxlan_port;
448 	u8 padding[2];
449 };
450 
451 struct pfvf_update_tunn_param_tlv {
452 	struct pfvf_tlv hdr;
453 
454 	u16 tunn_feature_mask;
455 	u8 vxlan_mode;
456 	u8 l2geneve_mode;
457 	u8 ipgeneve_mode;
458 	u8 l2gre_mode;
459 	u8 ipgre_mode;
460 	u8 vxlan_clss;
461 	u8 l2gre_clss;
462 	u8 ipgre_clss;
463 	u8 l2geneve_clss;
464 	u8 ipgeneve_clss;
465 	u16 vxlan_udp_port;
466 	u16 geneve_udp_port;
467 };
468 
469 struct tlv_buffer_size {
470 	u8 tlv_buffer[TLV_BUFFER_SIZE];
471 };
472 
473 union vfpf_tlvs {
474 	struct vfpf_first_tlv first_tlv;
475 	struct vfpf_acquire_tlv acquire;
476 	struct vfpf_start_rxq_tlv start_rxq;
477 	struct vfpf_start_txq_tlv start_txq;
478 	struct vfpf_stop_rxqs_tlv stop_rxqs;
479 	struct vfpf_stop_txqs_tlv stop_txqs;
480 	struct vfpf_update_rxq_tlv update_rxq;
481 	struct vfpf_vport_start_tlv start_vport;
482 	struct vfpf_vport_update_tlv vport_update;
483 	struct vfpf_ucast_filter_tlv ucast_filter;
484 	struct vfpf_update_tunn_param_tlv tunn_param_update;
485 	struct channel_list_end_tlv list_end;
486 	struct tlv_buffer_size tlv_buf_size;
487 };
488 
489 union pfvf_tlvs {
490 	struct pfvf_def_resp_tlv default_resp;
491 	struct pfvf_acquire_resp_tlv acquire_resp;
492 	struct tlv_buffer_size tlv_buf_size;
493 	struct pfvf_start_queue_resp_tlv queue_start;
494 	struct pfvf_update_tunn_param_tlv tunn_param_resp;
495 };
496 
497 enum qed_bulletin_bit {
498 	/* Alert the VF that a forced MAC was set by the PF */
499 	MAC_ADDR_FORCED = 0,
500 	/* Alert the VF that a forced VLAN was set by the PF */
501 	VLAN_ADDR_FORCED = 2,
502 
503 	/* Indicate that `default_only_untagged' contains actual data */
504 	VFPF_BULLETIN_UNTAGGED_DEFAULT = 3,
505 	VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED = 4,
506 
507 	/* Alert the VF that suggested mac was sent by the PF.
508 	 * MAC_ADDR will be disabled in case MAC_ADDR_FORCED is set.
509 	 */
510 	VFPF_BULLETIN_MAC_ADDR = 5
511 };
512 
513 struct qed_bulletin_content {
514 	/* crc of structure to ensure is not in mid-update */
515 	u32 crc;
516 
517 	u32 version;
518 
519 	/* bitmap indicating which fields hold valid values */
520 	u64 valid_bitmap;
521 
522 	/* used for MAC_ADDR or MAC_ADDR_FORCED */
523 	u8 mac[ETH_ALEN];
524 
525 	/* If valid, 1 => only untagged Rx if no vlan is configured */
526 	u8 default_only_untagged;
527 	u8 padding;
528 
529 	/* The following is a 'copy' of qed_mcp_link_state,
530 	 * qed_mcp_link_params and qed_mcp_link_capabilities. Since it's
531 	 * possible the structs will increase further along the road we cannot
532 	 * have it here; Instead we need to have all of its fields.
533 	 */
534 	u8 req_autoneg;
535 	u8 req_autoneg_pause;
536 	u8 req_forced_rx;
537 	u8 req_forced_tx;
538 	u8 padding2[4];
539 
540 	u32 req_adv_speed;
541 	u32 req_forced_speed;
542 	u32 req_loopback;
543 	u32 padding3;
544 
545 	u8 link_up;
546 	u8 full_duplex;
547 	u8 autoneg;
548 	u8 autoneg_complete;
549 	u8 parallel_detection;
550 	u8 pfc_enabled;
551 	u8 partner_tx_flow_ctrl_en;
552 	u8 partner_rx_flow_ctrl_en;
553 	u8 partner_adv_pause;
554 	u8 sfp_tx_fault;
555 	u16 vxlan_udp_port;
556 	u16 geneve_udp_port;
557 	u8 padding4[2];
558 
559 	u32 speed;
560 	u32 partner_adv_speed;
561 
562 	u32 capability_speed;
563 
564 	/* Forced vlan */
565 	u16 pvid;
566 	u16 padding5;
567 };
568 
569 struct qed_bulletin {
570 	dma_addr_t phys;
571 	struct qed_bulletin_content *p_virt;
572 	u32 size;
573 };
574 
575 enum {
576 	CHANNEL_TLV_NONE,	/* ends tlv sequence */
577 	CHANNEL_TLV_ACQUIRE,
578 	CHANNEL_TLV_VPORT_START,
579 	CHANNEL_TLV_VPORT_UPDATE,
580 	CHANNEL_TLV_VPORT_TEARDOWN,
581 	CHANNEL_TLV_START_RXQ,
582 	CHANNEL_TLV_START_TXQ,
583 	CHANNEL_TLV_STOP_RXQS,
584 	CHANNEL_TLV_STOP_TXQS,
585 	CHANNEL_TLV_UPDATE_RXQ,
586 	CHANNEL_TLV_INT_CLEANUP,
587 	CHANNEL_TLV_CLOSE,
588 	CHANNEL_TLV_RELEASE,
589 	CHANNEL_TLV_LIST_END,
590 	CHANNEL_TLV_UCAST_FILTER,
591 	CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
592 	CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH,
593 	CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP,
594 	CHANNEL_TLV_VPORT_UPDATE_MCAST,
595 	CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM,
596 	CHANNEL_TLV_VPORT_UPDATE_RSS,
597 	CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN,
598 	CHANNEL_TLV_VPORT_UPDATE_SGE_TPA,
599 	CHANNEL_TLV_UPDATE_TUNN_PARAM,
600 	CHANNEL_TLV_MAX,
601 
602 	/* Required for iterating over vport-update tlvs.
603 	 * Will break in case non-sequential vport-update tlvs.
604 	 */
605 	CHANNEL_TLV_VPORT_UPDATE_MAX = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA + 1,
606 };
607 
608 /* This data is held in the qed_hwfn structure for VFs only. */
609 struct qed_vf_iov {
610 	union vfpf_tlvs *vf2pf_request;
611 	dma_addr_t vf2pf_request_phys;
612 	union pfvf_tlvs *pf2vf_reply;
613 	dma_addr_t pf2vf_reply_phys;
614 
615 	/* Should be taken whenever the mailbox buffers are accessed */
616 	struct mutex mutex;
617 	u8 *offset;
618 
619 	/* Bulletin Board */
620 	struct qed_bulletin bulletin;
621 	struct qed_bulletin_content bulletin_shadow;
622 
623 	/* we set aside a copy of the acquire response */
624 	struct pfvf_acquire_resp_tlv acquire_resp;
625 
626 	/* In case PF originates prior to the fp-hsi version comparison,
627 	 * this has to be propagated as it affects the fastpath.
628 	 */
629 	bool b_pre_fp_hsi;
630 };
631 
632 #ifdef CONFIG_QED_SRIOV
633 /**
634  * @brief Read the VF bulletin and act on it if needed
635  *
636  * @param p_hwfn
637  * @param p_change - qed fills 1 iff bulletin board has changed, 0 otherwise.
638  *
639  * @return enum _qed_status
640  */
641 int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change);
642 
643 /**
644  * @brief Get link paramters for VF from qed
645  *
646  * @param p_hwfn
647  * @param params - the link params structure to be filled for the VF
648  */
649 void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
650 			    struct qed_mcp_link_params *params);
651 
652 /**
653  * @brief Get link state for VF from qed
654  *
655  * @param p_hwfn
656  * @param link - the link state structure to be filled for the VF
657  */
658 void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
659 			   struct qed_mcp_link_state *link);
660 
661 /**
662  * @brief Get link capabilities for VF from qed
663  *
664  * @param p_hwfn
665  * @param p_link_caps - the link capabilities structure to be filled for the VF
666  */
667 void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
668 			  struct qed_mcp_link_capabilities *p_link_caps);
669 
670 /**
671  * @brief Get number of Rx queues allocated for VF by qed
672  *
673  *  @param p_hwfn
674  *  @param num_rxqs - allocated RX queues
675  */
676 void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs);
677 
678 /**
679  * @brief Get port mac address for VF
680  *
681  * @param p_hwfn
682  * @param port_mac - destination location for port mac
683  */
684 void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac);
685 
686 /**
687  * @brief Get number of VLAN filters allocated for VF by qed
688  *
689  *  @param p_hwfn
690  *  @param num_rxqs - allocated VLAN filters
691  */
692 void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
693 				 u8 *num_vlan_filters);
694 
695 /**
696  * @brief Get number of MAC filters allocated for VF by qed
697  *
698  *  @param p_hwfn
699  *  @param num_rxqs - allocated MAC filters
700  */
701 void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters);
702 
703 /**
704  * @brief Check if VF can set a MAC address
705  *
706  * @param p_hwfn
707  * @param mac
708  *
709  * @return bool
710  */
711 bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac);
712 
713 /**
714  * @brief Set firmware version information in dev_info from VFs acquire response tlv
715  *
716  * @param p_hwfn
717  * @param fw_major
718  * @param fw_minor
719  * @param fw_rev
720  * @param fw_eng
721  */
722 void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
723 			   u16 *fw_major, u16 *fw_minor,
724 			   u16 *fw_rev, u16 *fw_eng);
725 
726 /**
727  * @brief hw preparation for VF
728  *      sends ACQUIRE message
729  *
730  * @param p_hwfn
731  *
732  * @return int
733  */
734 int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn);
735 
736 /**
737  * @brief VF - start the RX Queue by sending a message to the PF
738  * @param p_hwfn
739  * @param p_cid			- Only relative fields are relevant
740  * @param bd_max_bytes          - maximum number of bytes per bd
741  * @param bd_chain_phys_addr    - physical address of bd chain
742  * @param cqe_pbl_addr          - physical address of pbl
743  * @param cqe_pbl_size          - pbl size
744  * @param pp_prod               - pointer to the producer to be
745  *				  used in fastpath
746  *
747  * @return int
748  */
749 int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
750 			struct qed_queue_cid *p_cid,
751 			u16 bd_max_bytes,
752 			dma_addr_t bd_chain_phys_addr,
753 			dma_addr_t cqe_pbl_addr,
754 			u16 cqe_pbl_size, void __iomem **pp_prod);
755 
756 /**
757  * @brief VF - start the TX queue by sending a message to the
758  *        PF.
759  *
760  * @param p_hwfn
761  * @param tx_queue_id           - zero based within the VF
762  * @param sb                    - status block for this queue
763  * @param sb_index              - index within the status block
764  * @param bd_chain_phys_addr    - physical address of tx chain
765  * @param pp_doorbell           - pointer to address to which to
766  *                      write the doorbell too..
767  *
768  * @return int
769  */
770 int
771 qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
772 		    struct qed_queue_cid *p_cid,
773 		    dma_addr_t pbl_addr,
774 		    u16 pbl_size, void __iomem **pp_doorbell);
775 
776 /**
777  * @brief VF - stop the RX queue by sending a message to the PF
778  *
779  * @param p_hwfn
780  * @param p_cid
781  * @param cqe_completion
782  *
783  * @return int
784  */
785 int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
786 		       struct qed_queue_cid *p_cid, bool cqe_completion);
787 
788 /**
789  * @brief VF - stop the TX queue by sending a message to the PF
790  *
791  * @param p_hwfn
792  * @param tx_qid
793  *
794  * @return int
795  */
796 int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid);
797 
798 /**
799  * @brief VF - send a vport update command
800  *
801  * @param p_hwfn
802  * @param params
803  *
804  * @return int
805  */
806 int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
807 			   struct qed_sp_vport_update_params *p_params);
808 
809 /**
810  *
811  * @brief VF - send a close message to PF
812  *
813  * @param p_hwfn
814  *
815  * @return enum _qed_status
816  */
817 int qed_vf_pf_reset(struct qed_hwfn *p_hwfn);
818 
819 /**
820  * @brief VF - free vf`s memories
821  *
822  * @param p_hwfn
823  *
824  * @return enum _qed_status
825  */
826 int qed_vf_pf_release(struct qed_hwfn *p_hwfn);
827 
828 /**
829  * @brief qed_vf_get_igu_sb_id - Get the IGU SB ID for a given
830  *        sb_id. For VFs igu sbs don't have to be contiguous
831  *
832  * @param p_hwfn
833  * @param sb_id
834  *
835  * @return INLINE u16
836  */
837 u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id);
838 
839 /**
840  * @brief qed_vf_pf_vport_start - perform vport start for VF.
841  *
842  * @param p_hwfn
843  * @param vport_id
844  * @param mtu
845  * @param inner_vlan_removal
846  * @param tpa_mode
847  * @param max_buffers_per_cqe,
848  * @param only_untagged - default behavior regarding vlan acceptance
849  *
850  * @return enum _qed_status
851  */
852 int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
853 			  u8 vport_id,
854 			  u16 mtu,
855 			  u8 inner_vlan_removal,
856 			  enum qed_tpa_mode tpa_mode,
857 			  u8 max_buffers_per_cqe, u8 only_untagged);
858 
859 /**
860  * @brief qed_vf_pf_vport_stop - stop the VF's vport
861  *
862  * @param p_hwfn
863  *
864  * @return enum _qed_status
865  */
866 int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn);
867 
868 int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
869 			   struct qed_filter_ucast *p_param);
870 
871 void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
872 			    struct qed_filter_mcast *p_filter_cmd);
873 
874 /**
875  * @brief qed_vf_pf_int_cleanup - clean the SB of the VF
876  *
877  * @param p_hwfn
878  *
879  * @return enum _qed_status
880  */
881 int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn);
882 
883 /**
884  * @brief - return the link params in a given bulletin board
885  *
886  * @param p_hwfn
887  * @param p_params - pointer to a struct to fill with link params
888  * @param p_bulletin
889  */
890 void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
891 			      struct qed_mcp_link_params *p_params,
892 			      struct qed_bulletin_content *p_bulletin);
893 
894 /**
895  * @brief - return the link state in a given bulletin board
896  *
897  * @param p_hwfn
898  * @param p_link - pointer to a struct to fill with link state
899  * @param p_bulletin
900  */
901 void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
902 			     struct qed_mcp_link_state *p_link,
903 			     struct qed_bulletin_content *p_bulletin);
904 
905 /**
906  * @brief - return the link capabilities in a given bulletin board
907  *
908  * @param p_hwfn
909  * @param p_link - pointer to a struct to fill with link capabilities
910  * @param p_bulletin
911  */
912 void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
913 			    struct qed_mcp_link_capabilities *p_link_caps,
914 			    struct qed_bulletin_content *p_bulletin);
915 
916 void qed_iov_vf_task(struct work_struct *work);
917 void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun);
918 int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
919 				  struct qed_tunnel_info *p_tunn);
920 #else
921 static inline void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
922 					  struct qed_mcp_link_params *params)
923 {
924 }
925 
926 static inline void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
927 					 struct qed_mcp_link_state *link)
928 {
929 }
930 
931 static inline void
932 qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
933 		     struct qed_mcp_link_capabilities *p_link_caps)
934 {
935 }
936 
937 static inline void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
938 {
939 }
940 
941 static inline void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
942 {
943 }
944 
945 static inline void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
946 					       u8 *num_vlan_filters)
947 {
948 }
949 
950 static inline void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn,
951 					      u8 *num_mac_filters)
952 {
953 }
954 
955 static inline bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
956 {
957 	return false;
958 }
959 
960 static inline void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
961 					 u16 *fw_major, u16 *fw_minor,
962 					 u16 *fw_rev, u16 *fw_eng)
963 {
964 }
965 
966 static inline int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
967 {
968 	return -EINVAL;
969 }
970 
971 static inline int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
972 				      struct qed_queue_cid *p_cid,
973 				      u16 bd_max_bytes,
974 				      dma_addr_t bd_chain_phys_adr,
975 				      dma_addr_t cqe_pbl_addr,
976 				      u16 cqe_pbl_size, void __iomem **pp_prod)
977 {
978 	return -EINVAL;
979 }
980 
981 static inline int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
982 				      struct qed_queue_cid *p_cid,
983 				      dma_addr_t pbl_addr,
984 				      u16 pbl_size, void __iomem **pp_doorbell)
985 {
986 	return -EINVAL;
987 }
988 
989 static inline int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
990 				     struct qed_queue_cid *p_cid,
991 				     bool cqe_completion)
992 {
993 	return -EINVAL;
994 }
995 
996 static inline int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn,
997 				     struct qed_queue_cid *p_cid)
998 {
999 	return -EINVAL;
1000 }
1001 
1002 static inline int
1003 qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
1004 		       struct qed_sp_vport_update_params *p_params)
1005 {
1006 	return -EINVAL;
1007 }
1008 
1009 static inline int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
1010 {
1011 	return -EINVAL;
1012 }
1013 
1014 static inline int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
1015 {
1016 	return -EINVAL;
1017 }
1018 
1019 static inline u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
1020 {
1021 	return 0;
1022 }
1023 
1024 static inline int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
1025 					u8 vport_id,
1026 					u16 mtu,
1027 					u8 inner_vlan_removal,
1028 					enum qed_tpa_mode tpa_mode,
1029 					u8 max_buffers_per_cqe,
1030 					u8 only_untagged)
1031 {
1032 	return -EINVAL;
1033 }
1034 
1035 static inline int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
1036 {
1037 	return -EINVAL;
1038 }
1039 
1040 static inline int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
1041 					 struct qed_filter_ucast *p_param)
1042 {
1043 	return -EINVAL;
1044 }
1045 
1046 static inline void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
1047 					  struct qed_filter_mcast *p_filter_cmd)
1048 {
1049 }
1050 
1051 static inline int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
1052 {
1053 	return -EINVAL;
1054 }
1055 
1056 static inline void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
1057 					    struct qed_mcp_link_params
1058 					    *p_params,
1059 					    struct qed_bulletin_content
1060 					    *p_bulletin)
1061 {
1062 }
1063 
1064 static inline void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
1065 					   struct qed_mcp_link_state *p_link,
1066 					   struct qed_bulletin_content
1067 					   *p_bulletin)
1068 {
1069 }
1070 
1071 static inline void
1072 __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
1073 		       struct qed_mcp_link_capabilities *p_link_caps,
1074 		       struct qed_bulletin_content *p_bulletin)
1075 {
1076 }
1077 
1078 static inline void qed_iov_vf_task(struct work_struct *work)
1079 {
1080 }
1081 
1082 static inline void
1083 qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
1084 {
1085 }
1086 
1087 static inline int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
1088 						struct qed_tunnel_info *p_tunn)
1089 {
1090 	return -EINVAL;
1091 }
1092 #endif
1093 
1094 #endif
1095