1 /* bnx2x_sriov.h: Broadcom Everest network driver.
3 * Copyright 2009-2013 Broadcom Corporation
5 * Unless you and Broadcom execute a separate written software license
6 * agreement governing use of this software, this software is licensed to you
7 * under the terms of the GNU General Public License version 2, available
8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
10 * Notwithstanding the above, under no circumstances may you combine this
11 * software in any way with any other Broadcom software provided under a
12 * license other than the GPL, without Broadcom's express prior written
15 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
16 * Written by: Shmulik Ravid <shmulikr@broadcom.com>
17 * Ariel Elior <ariele@broadcom.com>
22 #include "bnx2x_vfpf.h"
25 enum sample_bulletin_result {
26 PFVF_BULLETIN_UNCHANGED,
27 PFVF_BULLETIN_UPDATED,
31 #ifdef CONFIG_BNX2X_SRIOV
33 extern struct workqueue_struct *bnx2x_iov_wq;
35 /* The bnx2x device structure holds vfdb structure described below.
36 * The VF array is indexed by the relative vfid.
38 #define BNX2X_VF_MAX_QUEUES 16
39 #define BNX2X_VF_MAX_TPA_AGG_QUEUES 8
44 /* standard SRIOV capability fields, mostly for debugging */
45 int pos; /* capability position */
46 int nres; /* number of resources */
47 u32 cap; /* SR-IOV Capabilities */
48 u16 ctrl; /* SR-IOV Control */
49 u16 total; /* total VFs associated with the PF */
50 u16 initial; /* initial VFs associated with the PF */
51 u16 nr_virtfn; /* number of VFs available */
52 u16 offset; /* first VF Routing ID offset */
53 u16 stride; /* following VF stride */
54 u32 pgsz; /* page size for BAR alignment */
55 u8 link; /* Function Dependency Link */
64 struct bnx2x_vf_bar_info {
65 struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
69 /* vf queue (used both for rx or tx) */
70 struct bnx2x_vf_queue {
71 struct eth_context *cxt;
74 struct bnx2x_vlan_mac_obj mac_obj;
77 struct bnx2x_vlan_mac_obj vlan_obj;
78 atomic_t vlan_count; /* 0 means vlan-0 is set ~ untagged */
79 unsigned long accept_flags; /* last accept flags configured */
81 /* Queue Slow-path State object */
82 struct bnx2x_queue_sp_obj sp_obj;
91 /* struct bnx2x_vf_queue_construct_params - prepare queue construction
92 * parameters: q-init, q-setup and SB index
94 struct bnx2x_vf_queue_construct_params {
95 struct bnx2x_queue_state_params qstate;
96 struct bnx2x_queue_setup_params prep_qsetup;
102 /* VFOP definitions */
104 struct bnx2x_vf_mac_vlan_filter {
106 #define BNX2X_VF_FILTER_MAC 1
107 #define BNX2X_VF_FILTER_VLAN 2
114 struct bnx2x_vf_mac_vlan_filters {
116 struct bnx2x_vf_mac_vlan_filter filters[];
122 #define VF_CFG_STATS 0x0001
123 #define VF_CFG_FW_FC 0x0002
124 #define VF_CFG_TPA 0x0004
125 #define VF_CFG_INT_SIMD 0x0008
126 #define VF_CACHE_LINE 0x0010
127 #define VF_CFG_VLAN 0x0020
128 #define VF_CFG_STATS_COALESCE 0x0040
131 #define VF_FREE 0 /* VF ready to be acquired holds no resc */
132 #define VF_ACQUIRED 1 /* VF acquired, but not initialized */
133 #define VF_ENABLED 2 /* VF Enabled */
134 #define VF_RESET 3 /* VF FLR'd, pending cleanup */
136 bool flr_clnup_stage; /* true during flr cleanup */
139 dma_addr_t fw_stat_map; /* valid iff VF_CFG_STATS */
142 dma_addr_t bulletin_map;
144 /* Allocated resources counters. Before the VF is acquired, the
145 * counters hold the following values:
147 * - xxq_count = 0 as the queues memory is not allocated yet.
149 * - sb_count = The number of status blocks configured for this VF in
150 * the IGU CAM. Initially read during probe.
152 * - xx_rules_count = The number of rules statically and equally
153 * allocated for each VF, during PF load.
155 struct vf_pf_resc_request alloc_resc;
156 #define vf_rxq_count(vf) ((vf)->alloc_resc.num_rxqs)
157 #define vf_txq_count(vf) ((vf)->alloc_resc.num_txqs)
158 #define vf_sb_count(vf) ((vf)->alloc_resc.num_sbs)
159 #define vf_mac_rules_cnt(vf) ((vf)->alloc_resc.num_mac_filters)
160 #define vf_vlan_rules_cnt(vf) ((vf)->alloc_resc.num_vlan_filters)
161 #define vf_mc_rules_cnt(vf) ((vf)->alloc_resc.num_mc_filters)
163 u8 sb_count; /* actual number of SBs */
164 u8 igu_base_id; /* base igu status block id */
166 struct bnx2x_vf_queue *vfqs;
167 #define LEADING_IDX 0
168 #define bnx2x_vfq_is_leading(vfq) ((vfq)->index == LEADING_IDX)
169 #define bnx2x_vfq(vf, nr, var) ((vf)->vfqs[(nr)].var)
170 #define bnx2x_leading_vfq(vf, var) ((vf)->vfqs[LEADING_IDX].var)
172 u8 index; /* index in the vf array */
175 u32 error; /* 0 means all's-well */
182 struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
184 /* set-mac ramrod state 1-pending, 0-done */
185 unsigned long filter_state;
187 /* leading rss client id ~~ the client id of the first rxq, must be
194 struct bnx2x_mcast_obj mcast_obj;
196 /* RSS configuration object */
197 struct bnx2x_rss_config_obj rss_conf_obj;
199 /* slow-path operations */
200 struct mutex op_mutex; /* one vfop at a time mutex */
201 enum channel_tlvs op_current;
204 #define BNX2X_NR_VIRTFN(bp) ((bp)->vfdb->sriov.nr_virtfn)
206 #define for_each_vf(bp, var) \
207 for ((var) = 0; (var) < BNX2X_NR_VIRTFN(bp); (var)++)
209 #define for_each_vfq(vf, var) \
210 for ((var) = 0; (var) < vf_rxq_count(vf); (var)++)
212 #define for_each_vf_sb(vf, var) \
213 for ((var) = 0; (var) < vf_sb_count(vf); (var)++)
215 #define is_vf_multi(vf) (vf_rxq_count(vf) > 1)
217 #define HW_VF_HANDLE(bp, abs_vfid) \
218 (u16)(BP_ABS_FUNC((bp)) | (1<<3) | ((u16)(abs_vfid) << 4))
220 #define FW_PF_MAX_HANDLE 8
222 #define FW_VF_HANDLE(abs_vfid) \
223 (abs_vfid + FW_PF_MAX_HANDLE)
225 /* locking and unlocking the channel mutex */
226 void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
227 enum channel_tlvs tlv);
229 void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
230 enum channel_tlvs expected_tlv);
232 /* VF mail box (aka vf-pf channel) */
234 /* a container for the bi-directional vf<-->pf messages.
235 * The actual response will be placed according to the offset parameter
236 * provided in the request
239 #define MBX_MSG_ALIGN 8
240 #define MBX_MSG_ALIGNED_SIZE (roundup(sizeof(struct bnx2x_vf_mbx_msg), \
243 struct bnx2x_vf_mbx_msg {
245 union pfvf_tlvs resp;
248 struct bnx2x_vf_mbx {
249 struct bnx2x_vf_mbx_msg *msg;
250 dma_addr_t msg_mapping;
256 struct vfpf_first_tlv first_tlv; /* saved VF request header */
261 struct eth_classify_rules_ramrod_data e2;
265 struct eth_classify_rules_ramrod_data e2;
269 struct eth_filter_rules_ramrod_data e2;
273 struct eth_multicast_rules_ramrod_data e2;
277 struct client_init_ramrod_data init_data;
278 struct client_update_ramrod_data update_data;
282 struct eth_rss_update_ramrod_data e2;
293 #define BP_VFDB(bp) ((bp)->vfdb)
295 struct bnx2x_virtf *vfs;
296 #define BP_VF(bp, idx) (&((bp)->vfdb->vfs[(idx)]))
297 #define bnx2x_vf(bp, idx, var) ((bp)->vfdb->vfs[(idx)].var)
299 /* queue array - for all vfs */
300 struct bnx2x_vf_queue *vfqs;
303 struct hw_dma context[BNX2X_VF_CIDS/ILT_PAGE_CIDS];
304 #define BP_VF_CXT_PAGE(bp, i) (&(bp)->vfdb->context[(i)])
306 /* SR-IOV information */
307 struct bnx2x_sriov sriov;
308 struct hw_dma mbx_dma;
309 #define BP_VF_MBX_DMA(bp) (&((bp)->vfdb->mbx_dma))
310 struct bnx2x_vf_mbx mbxs[BNX2X_MAX_NUM_OF_VFS];
311 #define BP_VF_MBX(bp, vfid) (&((bp)->vfdb->mbxs[(vfid)]))
313 struct hw_dma bulletin_dma;
314 #define BP_VF_BULLETIN_DMA(bp) (&((bp)->vfdb->bulletin_dma))
315 #define BP_VF_BULLETIN(bp, vf) \
316 (((struct pf_vf_bulletin_content *)(BP_VF_BULLETIN_DMA(bp)->addr)) \
319 struct hw_dma sp_dma;
320 #define bnx2x_vf_sp(bp, vf, field) ((bp)->vfdb->sp_dma.addr + \
321 (vf)->index * sizeof(struct bnx2x_vf_sp) + \
322 offsetof(struct bnx2x_vf_sp, field))
323 #define bnx2x_vf_sp_map(bp, vf, field) ((bp)->vfdb->sp_dma.mapping + \
324 (vf)->index * sizeof(struct bnx2x_vf_sp) + \
325 offsetof(struct bnx2x_vf_sp, field))
327 #define FLRD_VFS_DWORDS (BNX2X_MAX_NUM_OF_VFS / 32)
328 u32 flrd_vfs[FLRD_VFS_DWORDS];
330 /* the number of msix vectors belonging to this PF designated for VFs */
332 u16 first_vf_igu_entry;
334 /* sp_rtnl synchronization */
335 struct mutex event_mutex;
340 static inline struct bnx2x_vf_queue *vfq_get(struct bnx2x_virtf *vf, u8 index)
342 return &(vf->vfqs[index]);
346 static inline u8 vf_igu_sb(struct bnx2x_virtf *vf, u16 sb_idx)
348 return vf->igu_base_id + sb_idx;
351 static inline u8 vf_hc_qzone(struct bnx2x_virtf *vf, u16 sb_idx)
353 return vf_igu_sb(vf, sb_idx);
356 static u8 vfq_cl_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
358 return vf->igu_base_id + q->index;
361 static inline u8 vfq_stat_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
363 if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
364 return vf->leading_rss;
366 return vfq_cl_id(vf, q);
369 static inline u8 vfq_qzone_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
371 return vfq_cl_id(vf, q);
374 /* global iov routines */
375 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line);
376 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, int num_vfs_param);
377 void bnx2x_iov_remove_one(struct bnx2x *bp);
378 void bnx2x_iov_free_mem(struct bnx2x *bp);
379 int bnx2x_iov_alloc_mem(struct bnx2x *bp);
380 int bnx2x_iov_nic_init(struct bnx2x *bp);
381 int bnx2x_iov_chip_cleanup(struct bnx2x *bp);
382 void bnx2x_iov_init_dq(struct bnx2x *bp);
383 void bnx2x_iov_init_dmae(struct bnx2x *bp);
384 void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
385 struct bnx2x_queue_sp_obj **q_obj);
386 int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem);
387 void bnx2x_iov_adjust_stats_req(struct bnx2x *bp);
388 void bnx2x_iov_storm_stats_update(struct bnx2x *bp);
389 /* global vf mailbox routines */
390 void bnx2x_vf_mbx(struct bnx2x *bp);
391 void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
392 struct vf_pf_event_data *vfpf_event);
393 void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid);
396 typedef u8 bnx2x_mac_addr_t[ETH_ALEN];
399 int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
400 struct vf_pf_resc_request *resc);
402 int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
405 /* VFOP queue construction helpers */
406 void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
407 struct bnx2x_queue_init_params *init_params,
408 struct bnx2x_queue_setup_params *setup_params,
409 u16 q_idx, u16 sb_idx);
411 void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
412 struct bnx2x_queue_init_params *init_params,
413 struct bnx2x_queue_setup_params *setup_params,
414 u16 q_idx, u16 sb_idx);
416 void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
417 struct bnx2x_virtf *vf,
418 struct bnx2x_vf_queue *q,
419 struct bnx2x_vf_queue_construct_params *p,
420 unsigned long q_type);
422 int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf,
423 struct bnx2x_vf_mac_vlan_filters *filters,
424 int qid, bool drv_only);
426 int bnx2x_vf_queue_setup(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid,
427 struct bnx2x_vf_queue_construct_params *qctor);
429 int bnx2x_vf_queue_teardown(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid);
431 int bnx2x_vf_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf,
432 bnx2x_mac_addr_t *mcasts, int mc_num, bool drv_only);
434 int bnx2x_vf_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf,
435 int qid, unsigned long accept_flags);
437 int bnx2x_vf_close(struct bnx2x *bp, struct bnx2x_virtf *vf);
439 int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf);
441 int bnx2x_vf_rss_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
442 struct bnx2x_config_rss_params *rss);
444 int bnx2x_vf_tpa_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
445 struct vfpf_tpa_tlv *tlv,
446 struct bnx2x_queue_update_tpa_params *params);
448 /* VF release ~ VF close + VF release-resources
450 * Release is the ultimate SW shutdown and is called whenever an
451 * irrecoverable error is encountered.
453 int bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf);
454 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid);
455 u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf);
460 int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid);
461 void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid);
463 /* Handles an FLR (or VF_DISABLE) notification form the MCP */
464 void bnx2x_vf_handle_flr_event(struct bnx2x *bp);
466 bool bnx2x_tlv_supported(u16 tlvtype);
468 u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp,
469 struct pf_vf_bulletin_content *bulletin);
470 int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf);
472 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
474 /* VF side vfpf channel functions */
475 int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count);
476 int bnx2x_vfpf_release(struct bnx2x *bp);
477 int bnx2x_vfpf_release(struct bnx2x *bp);
478 int bnx2x_vfpf_init(struct bnx2x *bp);
479 void bnx2x_vfpf_close_vf(struct bnx2x *bp);
480 int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
482 int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set);
483 int bnx2x_vfpf_config_rss(struct bnx2x *bp,
484 struct bnx2x_config_rss_params *params);
485 int bnx2x_vfpf_set_mcast(struct net_device *dev);
486 int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp);
488 static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
491 strlcpy(buf, bp->acquire_resp.pfdev_info.fw_ver, buf_len);
494 static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
495 struct bnx2x_fastpath *fp)
497 return PXP_VF_ADDR_USDM_QUEUES_START +
498 bp->acquire_resp.resc.hw_qid[fp->index] *
499 sizeof(struct ustorm_queue_zone_data);
502 enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
503 void bnx2x_timer_sriov(struct bnx2x *bp);
504 void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp);
505 int bnx2x_vf_pci_alloc(struct bnx2x *bp);
506 int bnx2x_enable_sriov(struct bnx2x *bp);
507 void bnx2x_disable_sriov(struct bnx2x *bp);
508 static inline int bnx2x_vf_headroom(struct bnx2x *bp)
510 return bp->vfdb->sriov.nr_virtfn * BNX2X_CIDS_PER_VF;
512 void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp);
513 int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs);
514 void bnx2x_iov_channel_down(struct bnx2x *bp);
516 void bnx2x_iov_task(struct work_struct *work);
518 void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag);
520 #else /* CONFIG_BNX2X_SRIOV */
522 static inline void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
523 struct bnx2x_queue_sp_obj **q_obj) {}
524 static inline void bnx2x_vf_handle_flr_event(struct bnx2x *bp) {}
525 static inline int bnx2x_iov_eq_sp_event(struct bnx2x *bp,
526 union event_ring_elem *elem) {return 1; }
527 static inline void bnx2x_vf_mbx(struct bnx2x *bp) {}
528 static inline void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
529 struct vf_pf_event_data *vfpf_event) {}
530 static inline int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) {return line; }
531 static inline void bnx2x_iov_init_dq(struct bnx2x *bp) {}
532 static inline int bnx2x_iov_alloc_mem(struct bnx2x *bp) {return 0; }
533 static inline void bnx2x_iov_free_mem(struct bnx2x *bp) {}
534 static inline int bnx2x_iov_chip_cleanup(struct bnx2x *bp) {return 0; }
535 static inline void bnx2x_iov_init_dmae(struct bnx2x *bp) {}
536 static inline int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
537 int num_vfs_param) {return 0; }
538 static inline void bnx2x_iov_remove_one(struct bnx2x *bp) {}
539 static inline int bnx2x_enable_sriov(struct bnx2x *bp) {return 0; }
540 static inline void bnx2x_disable_sriov(struct bnx2x *bp) {}
541 static inline int bnx2x_vfpf_acquire(struct bnx2x *bp,
542 u8 tx_count, u8 rx_count) {return 0; }
543 static inline int bnx2x_vfpf_release(struct bnx2x *bp) {return 0; }
544 static inline int bnx2x_vfpf_init(struct bnx2x *bp) {return 0; }
545 static inline void bnx2x_vfpf_close_vf(struct bnx2x *bp) {}
546 static inline int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, bool is_leading) {return 0; }
547 static inline int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr,
548 u8 vf_qid, bool set) {return 0; }
549 static inline int bnx2x_vfpf_config_rss(struct bnx2x *bp,
550 struct bnx2x_config_rss_params *params) {return 0; }
551 static inline int bnx2x_vfpf_set_mcast(struct net_device *dev) {return 0; }
552 static inline int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) {return 0; }
553 static inline int bnx2x_iov_nic_init(struct bnx2x *bp) {return 0; }
554 static inline int bnx2x_vf_headroom(struct bnx2x *bp) {return 0; }
555 static inline void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) {}
556 static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
558 static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
559 struct bnx2x_fastpath *fp) {return 0; }
560 static inline enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
562 return PFVF_BULLETIN_UNCHANGED;
564 static inline void bnx2x_timer_sriov(struct bnx2x *bp) {}
566 static inline void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
571 static inline int bnx2x_vf_pci_alloc(struct bnx2x *bp) {return 0; }
572 static inline void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) {}
573 static inline int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs) {return 0; }
574 static inline void bnx2x_iov_channel_down(struct bnx2x *bp) {}
576 static inline void bnx2x_iov_task(struct work_struct *work) {}
577 static inline void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag) {}
579 #endif /* CONFIG_BNX2X_SRIOV */
580 #endif /* bnx2x_sriov.h */