1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Marvell RVU Admin Function driver
3 *
4 * Copyright (C) 2018 Marvell.
5 *
6 */
7
8 #ifndef RVU_H
9 #define RVU_H
10
11 #include <linux/pci.h>
12 #include <net/devlink.h>
13
14 #include "rvu_struct.h"
15 #include "rvu_devlink.h"
16 #include "common.h"
17 #include "mbox.h"
18 #include "npc.h"
19 #include "rvu_reg.h"
20 #include "ptp.h"
21
22 /* PCI device IDs */
23 #define PCI_DEVID_OCTEONTX2_RVU_AF 0xA065
24 #define PCI_DEVID_OCTEONTX2_LBK 0xA061
25
26 /* Subsystem Device ID */
27 #define PCI_SUBSYS_DEVID_98XX 0xB100
28 #define PCI_SUBSYS_DEVID_96XX 0xB200
29 #define PCI_SUBSYS_DEVID_CN10K_A 0xB900
30 #define PCI_SUBSYS_DEVID_CNF10K_A 0xBA00
31 #define PCI_SUBSYS_DEVID_CNF10K_B 0xBC00
32 #define PCI_SUBSYS_DEVID_CN10K_B 0xBD00
33
34 /* PCI BAR nos */
35 #define PCI_AF_REG_BAR_NUM 0
36 #define PCI_PF_REG_BAR_NUM 2
37 #define PCI_MBOX_BAR_NUM 4
38
39 #define NAME_SIZE 32
40 #define MAX_NIX_BLKS 2
41 #define MAX_CPT_BLKS 2
42
43 /* PF_FUNC */
44 #define RVU_PFVF_PF_SHIFT 10
45 #define RVU_PFVF_PF_MASK 0x3F
46 #define RVU_PFVF_FUNC_SHIFT 0
47 #define RVU_PFVF_FUNC_MASK 0x3FF
48
49 #ifdef CONFIG_DEBUG_FS
50 struct dump_ctx {
51 int lf;
52 int id;
53 bool all;
54 };
55
56 struct cpt_ctx {
57 int blkaddr;
58 struct rvu *rvu;
59 };
60
61 struct rvu_debugfs {
62 struct dentry *root;
63 struct dentry *cgx_root;
64 struct dentry *cgx;
65 struct dentry *lmac;
66 struct dentry *npa;
67 struct dentry *nix;
68 struct dentry *npc;
69 struct dentry *cpt;
70 struct dentry *mcs_root;
71 struct dentry *mcs;
72 struct dentry *mcs_rx;
73 struct dentry *mcs_tx;
74 struct dump_ctx npa_aura_ctx;
75 struct dump_ctx npa_pool_ctx;
76 struct dump_ctx nix_cq_ctx;
77 struct dump_ctx nix_rq_ctx;
78 struct dump_ctx nix_sq_ctx;
79 struct cpt_ctx cpt_ctx[MAX_CPT_BLKS];
80 int npa_qsize_id;
81 int nix_qsize_id;
82 };
83 #endif
84
85 struct rvu_work {
86 struct work_struct work;
87 struct rvu *rvu;
88 int num_msgs;
89 int up_num_msgs;
90 };
91
92 struct rsrc_bmap {
93 unsigned long *bmap; /* Pointer to resource bitmap */
94 u16 max; /* Max resource id or count */
95 };
96
97 struct rvu_block {
98 struct rsrc_bmap lf;
99 struct admin_queue *aq; /* NIX/NPA AQ */
100 u16 *fn_map; /* LF to pcifunc mapping */
101 bool multislot;
102 bool implemented;
103 u8 addr; /* RVU_BLOCK_ADDR_E */
104 u8 type; /* RVU_BLOCK_TYPE_E */
105 u8 lfshift;
106 u64 lookup_reg;
107 u64 pf_lfcnt_reg;
108 u64 vf_lfcnt_reg;
109 u64 lfcfg_reg;
110 u64 msixcfg_reg;
111 u64 lfreset_reg;
112 unsigned char name[NAME_SIZE];
113 struct rvu *rvu;
114 u64 cpt_flt_eng_map[3];
115 u64 cpt_rcvrd_eng_map[3];
116 };
117
118 struct nix_mcast {
119 struct qmem *mce_ctx;
120 struct qmem *mcast_buf;
121 int replay_pkind;
122 struct rsrc_bmap mce_counter[2];
123 /* Counters for both ingress and egress mcast lists */
124 struct mutex mce_lock; /* Serialize MCE updates */
125 };
126
127 struct nix_mce_list {
128 struct hlist_head head;
129 int count;
130 int max;
131 };
132
133 struct nix_mcast_grp_elem {
134 struct nix_mce_list mcast_mce_list;
135 u32 mcast_grp_idx;
136 u32 pcifunc;
137 int mcam_index;
138 int mce_start_index;
139 struct list_head list;
140 u8 dir;
141 };
142
143 struct nix_mcast_grp {
144 struct list_head mcast_grp_head;
145 int count;
146 int next_grp_index;
147 struct mutex mcast_grp_lock; /* Serialize MCE updates */
148 };
149
150 /* layer metadata to uniquely identify a packet header field */
151 struct npc_layer_mdata {
152 u8 lid;
153 u8 ltype;
154 u8 hdr;
155 u8 key;
156 u8 len;
157 };
158
159 /* Structure to represent a field present in the
160 * generated key. A key field may present anywhere and can
161 * be of any size in the generated key. Once this structure
162 * is populated for fields of interest then field's presence
163 * and location (if present) can be known.
164 */
165 struct npc_key_field {
166 /* Masks where all set bits indicate position
167 * of a field in the key
168 */
169 u64 kw_mask[NPC_MAX_KWS_IN_KEY];
170 /* Number of words in the key a field spans. If a field is
171 * of 16 bytes and key offset is 4 then the field will use
172 * 4 bytes in KW0, 8 bytes in KW1 and 4 bytes in KW2 and
173 * nr_kws will be 3(KW0, KW1 and KW2).
174 */
175 int nr_kws;
176 /* used by packet header fields */
177 struct npc_layer_mdata layer_mdata;
178 };
179
180 struct npc_mcam {
181 struct rsrc_bmap counters;
182 struct mutex lock; /* MCAM entries and counters update lock */
183 unsigned long *bmap; /* bitmap, 0 => bmap_entries */
184 unsigned long *bmap_reverse; /* Reverse bitmap, bmap_entries => 0 */
185 u16 bmap_entries; /* Number of unreserved MCAM entries */
186 u16 bmap_fcnt; /* MCAM entries free count */
187 u16 *entry2pfvf_map;
188 u16 *entry2cntr_map;
189 u16 *cntr2pfvf_map;
190 u16 *cntr_refcnt;
191 u16 *entry2target_pffunc;
192 u8 keysize; /* MCAM keysize 112/224/448 bits */
193 u8 banks; /* Number of MCAM banks */
194 u8 banks_per_entry;/* Number of keywords in key */
195 u16 banksize; /* Number of MCAM entries in each bank */
196 u16 total_entries; /* Total number of MCAM entries */
197 u16 nixlf_offset; /* Offset of nixlf rsvd uncast entries */
198 u16 pf_offset; /* Offset of PF's rsvd bcast, promisc entries */
199 u16 lprio_count;
200 u16 lprio_start;
201 u16 hprio_count;
202 u16 hprio_end;
203 u16 rx_miss_act_cntr; /* Counter for RX MISS action */
204 /* fields present in the generated key */
205 struct npc_key_field tx_key_fields[NPC_KEY_FIELDS_MAX];
206 struct npc_key_field rx_key_fields[NPC_KEY_FIELDS_MAX];
207 u64 tx_features;
208 u64 rx_features;
209 struct list_head mcam_rules;
210 };
211
212 /* Structure for per RVU func info ie PF/VF */
213 struct rvu_pfvf {
214 bool npalf; /* Only one NPALF per RVU_FUNC */
215 bool nixlf; /* Only one NIXLF per RVU_FUNC */
216 u16 sso;
217 u16 ssow;
218 u16 cptlfs;
219 u16 timlfs;
220 u16 cpt1_lfs;
221 u8 cgx_lmac;
222
223 /* Block LF's MSIX vector info */
224 struct rsrc_bmap msix; /* Bitmap for MSIX vector alloc */
225 #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF))
226 u16 *msix_lfmap; /* Vector to block LF mapping */
227
228 /* NPA contexts */
229 struct qmem *aura_ctx;
230 struct qmem *pool_ctx;
231 struct qmem *npa_qints_ctx;
232 unsigned long *aura_bmap;
233 unsigned long *pool_bmap;
234
235 /* NIX contexts */
236 struct qmem *rq_ctx;
237 struct qmem *sq_ctx;
238 struct qmem *cq_ctx;
239 struct qmem *rss_ctx;
240 struct qmem *cq_ints_ctx;
241 struct qmem *nix_qints_ctx;
242 unsigned long *sq_bmap;
243 unsigned long *rq_bmap;
244 unsigned long *cq_bmap;
245
246 u16 rx_chan_base;
247 u16 tx_chan_base;
248 u8 rx_chan_cnt; /* total number of RX channels */
249 u8 tx_chan_cnt; /* total number of TX channels */
250 u16 maxlen;
251 u16 minlen;
252
253 bool hw_rx_tstamp_en; /* Is rx_tstamp enabled */
254 u8 mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */
255 u8 default_mac[ETH_ALEN]; /* MAC address from FWdata */
256
257 /* Broadcast/Multicast/Promisc pkt replication info */
258 u16 bcast_mce_idx;
259 u16 mcast_mce_idx;
260 u16 promisc_mce_idx;
261 struct nix_mce_list bcast_mce_list;
262 struct nix_mce_list mcast_mce_list;
263 struct nix_mce_list promisc_mce_list;
264 bool use_mce_list;
265
266 struct rvu_npc_mcam_rule *def_ucast_rule;
267
268 bool cgx_in_use; /* this PF/VF using CGX? */
269 int cgx_users; /* number of cgx users - used only by PFs */
270
271 int intf_mode;
272 u8 nix_blkaddr; /* BLKADDR_NIX0/1 assigned to this PF */
273 u8 nix_rx_intf; /* NIX0_RX/NIX1_RX interface to NPC */
274 u8 nix_tx_intf; /* NIX0_TX/NIX1_TX interface to NPC */
275 u8 lbkid; /* NIX0/1 lbk link ID */
276 u64 lmt_base_addr; /* Preseving the pcifunc's lmtst base addr*/
277 u64 lmt_map_ent_w1; /* Preseving the word1 of lmtst map table entry*/
278 unsigned long flags;
279 struct sdp_node_info *sdp_info;
280 };
281
282 enum rvu_pfvf_flags {
283 NIXLF_INITIALIZED = 0,
284 PF_SET_VF_MAC,
285 PF_SET_VF_CFG,
286 PF_SET_VF_TRUSTED,
287 };
288
289 #define RVU_CLEAR_VF_PERM ~GENMASK(PF_SET_VF_TRUSTED, PF_SET_VF_MAC)
290
291 struct nix_bp {
292 struct rsrc_bmap bpids; /* free bpids bitmap */
293 u16 cgx_bpid_cnt;
294 u16 sdp_bpid_cnt;
295 u16 free_pool_base;
296 u16 *fn_map; /* pcifunc mapping */
297 u8 *intf_map; /* interface type map */
298 u8 *ref_cnt;
299 };
300
301 struct nix_txsch {
302 struct rsrc_bmap schq;
303 u8 lvl;
304 #define NIX_TXSCHQ_FREE BIT_ULL(1)
305 #define NIX_TXSCHQ_CFG_DONE BIT_ULL(0)
306 #define TXSCH_MAP_FUNC(__pfvf_map) ((__pfvf_map) & 0xFFFF)
307 #define TXSCH_MAP_FLAGS(__pfvf_map) ((__pfvf_map) >> 16)
308 #define TXSCH_MAP(__func, __flags) (((__func) & 0xFFFF) | ((__flags) << 16))
309 #define TXSCH_SET_FLAG(__pfvf_map, flag) ((__pfvf_map) | ((flag) << 16))
310 u32 *pfvf_map;
311 };
312
313 struct nix_mark_format {
314 u8 total;
315 u8 in_use;
316 u32 *cfg;
317 };
318
319 /* smq(flush) to tl1 cir/pir info */
320 struct nix_smq_tree_ctx {
321 u64 cir_off;
322 u64 cir_val;
323 u64 pir_off;
324 u64 pir_val;
325 };
326
327 /* smq flush context */
328 struct nix_smq_flush_ctx {
329 int smq;
330 u16 tl1_schq;
331 u16 tl2_schq;
332 struct nix_smq_tree_ctx smq_tree_ctx[NIX_TXSCH_LVL_CNT];
333 };
334
335 struct npc_pkind {
336 struct rsrc_bmap rsrc;
337 u32 *pfchan_map;
338 };
339
340 struct nix_flowkey {
341 #define NIX_FLOW_KEY_ALG_MAX 32
342 u32 flowkey[NIX_FLOW_KEY_ALG_MAX];
343 int in_use;
344 };
345
346 struct nix_lso {
347 u8 total;
348 u8 in_use;
349 };
350
351 struct nix_txvlan {
352 #define NIX_TX_VTAG_DEF_MAX 0x400
353 struct rsrc_bmap rsrc;
354 u16 *entry2pfvf_map;
355 struct mutex rsrc_lock; /* Serialize resource alloc/free */
356 };
357
358 struct nix_ipolicer {
359 struct rsrc_bmap band_prof;
360 u16 *pfvf_map;
361 u16 *match_id;
362 u16 *ref_count;
363 };
364
365 struct nix_hw {
366 int blkaddr;
367 struct rvu *rvu;
368 struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */
369 struct nix_mcast mcast;
370 struct nix_mcast_grp mcast_grp;
371 struct nix_flowkey flowkey;
372 struct nix_mark_format mark_format;
373 struct nix_lso lso;
374 struct nix_txvlan txvlan;
375 struct nix_ipolicer *ipolicer;
376 struct nix_bp bp;
377 u64 *tx_credits;
378 u8 cc_mcs_cnt;
379 };
380
381 /* RVU block's capabilities or functionality,
382 * which vary by silicon version/skew.
383 */
384 struct hw_cap {
385 /* Transmit side supported functionality */
386 u8 nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */
387 u16 nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */
388 u16 nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */
389 u16 nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */
390 bool nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */
391 bool nix_shaping; /* Is shaping and coloring supported */
392 bool nix_shaper_toggle_wait; /* Shaping toggle needs poll/wait */
393 bool nix_tx_link_bp; /* Can link backpressure TL queues ? */
394 bool nix_rx_multicast; /* Rx packet replication support */
395 bool nix_common_dwrr_mtu; /* Common DWRR MTU for quantum config */
396 bool per_pf_mbox_regs; /* PF mbox specified in per PF registers ? */
397 bool programmable_chans; /* Channels programmable ? */
398 bool ipolicer;
399 bool nix_multiple_dwrr_mtu; /* Multiple DWRR_MTU to choose from */
400 bool npc_hash_extract; /* Hash extract enabled ? */
401 bool npc_exact_match_enabled; /* Exact match supported ? */
402 };
403
404 struct rvu_hwinfo {
405 u8 total_pfs; /* MAX RVU PFs HW supports */
406 u16 total_vfs; /* Max RVU VFs HW supports */
407 u16 max_vfs_per_pf; /* Max VFs that can be attached to a PF */
408 u8 cgx;
409 u8 lmac_per_cgx;
410 u16 cgx_chan_base; /* CGX base channel number */
411 u16 lbk_chan_base; /* LBK base channel number */
412 u16 sdp_chan_base; /* SDP base channel number */
413 u16 cpt_chan_base; /* CPT base channel number */
414 u8 cgx_links;
415 u8 lbk_links;
416 u8 sdp_links;
417 u8 cpt_links; /* Number of CPT links */
418 u8 npc_kpus; /* No of parser units */
419 u8 npc_pkinds; /* No of port kinds */
420 u8 npc_intfs; /* No of interfaces */
421 u8 npc_kpu_entries; /* No of KPU entries */
422 u16 npc_counters; /* No of match stats counters */
423 u32 lbk_bufsize; /* FIFO size supported by LBK */
424 bool npc_ext_set; /* Extended register set */
425 u64 npc_stat_ena; /* Match stats enable bit */
426
427 struct hw_cap cap;
428 struct rvu_block block[BLK_COUNT]; /* Block info */
429 struct nix_hw *nix;
430 struct rvu *rvu;
431 struct npc_pkind pkind;
432 struct npc_mcam mcam;
433 struct npc_exact_table *table;
434 };
435
436 struct mbox_wq_info {
437 struct otx2_mbox mbox;
438 struct rvu_work *mbox_wrk;
439
440 struct otx2_mbox mbox_up;
441 struct rvu_work *mbox_wrk_up;
442
443 struct workqueue_struct *mbox_wq;
444 };
445
446 struct channel_fwdata {
447 struct sdp_node_info info;
448 u8 valid;
449 #define RVU_CHANL_INFO_RESERVED 379
450 u8 reserved[RVU_CHANL_INFO_RESERVED];
451 };
452
453 struct rvu_fwdata {
454 #define RVU_FWDATA_HEADER_MAGIC 0xCFDA /* Custom Firmware Data*/
455 #define RVU_FWDATA_VERSION 0x0001
456 u32 header_magic;
457 u32 version; /* version id */
458
459 /* MAC address */
460 #define PF_MACNUM_MAX 32
461 #define VF_MACNUM_MAX 256
462 u64 pf_macs[PF_MACNUM_MAX];
463 u64 vf_macs[VF_MACNUM_MAX];
464 u64 sclk;
465 u64 rclk;
466 u64 mcam_addr;
467 u64 mcam_sz;
468 u64 msixtr_base;
469 u32 ptp_ext_clk_rate;
470 u32 ptp_ext_tstamp;
471 struct channel_fwdata channel_data;
472 #define FWDATA_RESERVED_MEM 958
473 u64 reserved[FWDATA_RESERVED_MEM];
474 #define CGX_MAX 9
475 #define CGX_LMACS_MAX 4
476 #define CGX_LMACS_USX 8
477 #define FWDATA_CGX_LMAC_OFFSET 10536
478 union {
479 struct cgx_lmac_fwdata_s
480 cgx_fw_data[CGX_MAX][CGX_LMACS_MAX];
481 struct cgx_lmac_fwdata_s
482 cgx_fw_data_usx[CGX_MAX][CGX_LMACS_USX];
483 };
484 /* Do not add new fields below this line */
485 };
486
487 struct ptp;
488
489 /* KPU profile adapter structure gathering all KPU configuration data and abstracting out the
490 * source where it came from.
491 */
492 struct npc_kpu_profile_adapter {
493 const char *name;
494 u64 version;
495 const struct npc_lt_def_cfg *lt_def;
496 const struct npc_kpu_profile_action *ikpu; /* array[pkinds] */
497 const struct npc_kpu_profile *kpu; /* array[kpus] */
498 struct npc_mcam_kex *mkex;
499 struct npc_mcam_kex_hash *mkex_hash;
500 bool custom;
501 size_t pkinds;
502 size_t kpus;
503 };
504
505 #define RVU_SWITCH_LBK_CHAN 63
506
507 struct rvu_switch {
508 struct mutex switch_lock; /* Serialize flow installation */
509 u32 used_entries;
510 u16 *entry2pcifunc;
511 u16 mode;
512 u16 start_entry;
513 };
514
515 struct rvu {
516 void __iomem *afreg_base;
517 void __iomem *pfreg_base;
518 struct pci_dev *pdev;
519 struct device *dev;
520 struct rvu_hwinfo *hw;
521 struct rvu_pfvf *pf;
522 struct rvu_pfvf *hwvf;
523 struct mutex rsrc_lock; /* Serialize resource alloc/free */
524 struct mutex alias_lock; /* Serialize bar2 alias access */
525 int vfs; /* Number of VFs attached to RVU */
526 u16 vf_devid; /* VF devices id */
527 int nix_blkaddr[MAX_NIX_BLKS];
528
529 /* Mbox */
530 struct mbox_wq_info afpf_wq_info;
531 struct mbox_wq_info afvf_wq_info;
532
533 /* PF FLR */
534 struct rvu_work *flr_wrk;
535 struct workqueue_struct *flr_wq;
536 struct mutex flr_lock; /* Serialize FLRs */
537
538 /* MSI-X */
539 u16 num_vec;
540 char *irq_name;
541 bool *irq_allocated;
542 dma_addr_t msix_base_iova;
543 u64 msixtr_base_phy; /* Register reset value */
544
545 /* CGX */
546 #define PF_CGXMAP_BASE 1 /* PF 0 is reserved for RVU PF */
547 u16 cgx_mapped_vfs; /* maximum CGX mapped VFs */
548 u8 cgx_mapped_pfs;
549 u8 cgx_cnt_max; /* CGX port count max */
550 u8 *pf2cgxlmac_map; /* pf to cgx_lmac map */
551 u64 *cgxlmac2pf_map; /* bitmap of mapped pfs for
552 * every cgx lmac port
553 */
554 unsigned long pf_notify_bmap; /* Flags for PF notification */
555 void **cgx_idmap; /* cgx id to cgx data map table */
556 struct work_struct cgx_evh_work;
557 struct workqueue_struct *cgx_evh_wq;
558 spinlock_t cgx_evq_lock; /* cgx event queue lock */
559 struct list_head cgx_evq_head; /* cgx event queue head */
560 struct mutex cgx_cfg_lock; /* serialize cgx configuration */
561
562 char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */
563 char kpu_pfl_name[KPU_NAME_LEN]; /* Configured KPU profile name */
564
565 /* Firmware data */
566 struct rvu_fwdata *fwdata;
567 void *kpu_fwdata;
568 size_t kpu_fwdata_sz;
569 void __iomem *kpu_prfl_addr;
570
571 /* NPC KPU data */
572 struct npc_kpu_profile_adapter kpu;
573
574 struct ptp *ptp;
575
576 int mcs_blk_cnt;
577 int cpt_pf_num;
578
579 #ifdef CONFIG_DEBUG_FS
580 struct rvu_debugfs rvu_dbg;
581 #endif
582 struct rvu_devlink *rvu_dl;
583
584 /* RVU switch implementation over NPC with DMAC rules */
585 struct rvu_switch rswitch;
586
587 struct work_struct mcs_intr_work;
588 struct workqueue_struct *mcs_intr_wq;
589 struct list_head mcs_intrq_head;
590 /* mcs interrupt queue lock */
591 spinlock_t mcs_intrq_lock;
592 /* CPT interrupt lock */
593 spinlock_t cpt_intr_lock;
594
595 struct mutex mbox_lock; /* Serialize mbox up and down msgs */
596 };
597
rvu_write64(struct rvu * rvu,u64 block,u64 offset,u64 val)598 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
599 {
600 writeq(val, rvu->afreg_base + ((block << 28) | offset));
601 }
602
rvu_read64(struct rvu * rvu,u64 block,u64 offset)603 static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset)
604 {
605 return readq(rvu->afreg_base + ((block << 28) | offset));
606 }
607
rvupf_write64(struct rvu * rvu,u64 offset,u64 val)608 static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val)
609 {
610 writeq(val, rvu->pfreg_base + offset);
611 }
612
rvupf_read64(struct rvu * rvu,u64 offset)613 static inline u64 rvupf_read64(struct rvu *rvu, u64 offset)
614 {
615 return readq(rvu->pfreg_base + offset);
616 }
617
rvu_bar2_sel_write64(struct rvu * rvu,u64 block,u64 offset,u64 val)618 static inline void rvu_bar2_sel_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
619 {
620 /* HW requires read back of RVU_AF_BAR2_SEL register to make sure completion of
621 * write operation.
622 */
623 rvu_write64(rvu, block, offset, val);
624 rvu_read64(rvu, block, offset);
625 /* Barrier to ensure read completes before accessing LF registers */
626 mb();
627 }
628
629 /* Silicon revisions */
is_rvu_pre_96xx_C0(struct rvu * rvu)630 static inline bool is_rvu_pre_96xx_C0(struct rvu *rvu)
631 {
632 struct pci_dev *pdev = rvu->pdev;
633 /* 96XX A0/B0, 95XX A0/A1/B0 chips */
634 return ((pdev->revision == 0x00) || (pdev->revision == 0x01) ||
635 (pdev->revision == 0x10) || (pdev->revision == 0x11) ||
636 (pdev->revision == 0x14));
637 }
638
is_rvu_96xx_A0(struct rvu * rvu)639 static inline bool is_rvu_96xx_A0(struct rvu *rvu)
640 {
641 struct pci_dev *pdev = rvu->pdev;
642
643 return (pdev->revision == 0x00);
644 }
645
is_rvu_96xx_B0(struct rvu * rvu)646 static inline bool is_rvu_96xx_B0(struct rvu *rvu)
647 {
648 struct pci_dev *pdev = rvu->pdev;
649
650 return (pdev->revision == 0x00) || (pdev->revision == 0x01);
651 }
652
is_rvu_95xx_A0(struct rvu * rvu)653 static inline bool is_rvu_95xx_A0(struct rvu *rvu)
654 {
655 struct pci_dev *pdev = rvu->pdev;
656
657 return (pdev->revision == 0x10) || (pdev->revision == 0x11);
658 }
659
660 /* REVID for PCIe devices.
661 * Bits 0..1: minor pass, bit 3..2: major pass
662 * bits 7..4: midr id
663 */
664 #define PCI_REVISION_ID_96XX 0x00
665 #define PCI_REVISION_ID_95XX 0x10
666 #define PCI_REVISION_ID_95XXN 0x20
667 #define PCI_REVISION_ID_98XX 0x30
668 #define PCI_REVISION_ID_95XXMM 0x40
669 #define PCI_REVISION_ID_95XXO 0xE0
670
is_rvu_otx2(struct rvu * rvu)671 static inline bool is_rvu_otx2(struct rvu *rvu)
672 {
673 struct pci_dev *pdev = rvu->pdev;
674
675 u8 midr = pdev->revision & 0xF0;
676
677 return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX ||
678 midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX ||
679 midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO);
680 }
681
is_cnf10ka_a0(struct rvu * rvu)682 static inline bool is_cnf10ka_a0(struct rvu *rvu)
683 {
684 struct pci_dev *pdev = rvu->pdev;
685
686 if (pdev->subsystem_device == PCI_SUBSYS_DEVID_CNF10K_A &&
687 (pdev->revision & 0x0F) == 0x0)
688 return true;
689 return false;
690 }
691
is_rvu_npc_hash_extract_en(struct rvu * rvu)692 static inline bool is_rvu_npc_hash_extract_en(struct rvu *rvu)
693 {
694 u64 npc_const3;
695
696 npc_const3 = rvu_read64(rvu, BLKADDR_NPC, NPC_AF_CONST3);
697 if (!(npc_const3 & BIT_ULL(62)))
698 return false;
699
700 return true;
701 }
702
rvu_nix_chan_cgx(struct rvu * rvu,u8 cgxid,u8 lmacid,u8 chan)703 static inline u16 rvu_nix_chan_cgx(struct rvu *rvu, u8 cgxid,
704 u8 lmacid, u8 chan)
705 {
706 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
707 u16 cgx_chans = nix_const & 0xFFULL;
708 struct rvu_hwinfo *hw = rvu->hw;
709
710 if (!hw->cap.programmable_chans)
711 return NIX_CHAN_CGX_LMAC_CHX(cgxid, lmacid, chan);
712
713 return rvu->hw->cgx_chan_base +
714 (cgxid * hw->lmac_per_cgx + lmacid) * cgx_chans + chan;
715 }
716
rvu_nix_chan_lbk(struct rvu * rvu,u8 lbkid,u8 chan)717 static inline u16 rvu_nix_chan_lbk(struct rvu *rvu, u8 lbkid,
718 u8 chan)
719 {
720 u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
721 u16 lbk_chans = (nix_const >> 16) & 0xFFULL;
722 struct rvu_hwinfo *hw = rvu->hw;
723
724 if (!hw->cap.programmable_chans)
725 return NIX_CHAN_LBK_CHX(lbkid, chan);
726
727 return rvu->hw->lbk_chan_base + lbkid * lbk_chans + chan;
728 }
729
rvu_nix_chan_sdp(struct rvu * rvu,u8 chan)730 static inline u16 rvu_nix_chan_sdp(struct rvu *rvu, u8 chan)
731 {
732 struct rvu_hwinfo *hw = rvu->hw;
733
734 if (!hw->cap.programmable_chans)
735 return NIX_CHAN_SDP_CHX(chan);
736
737 return hw->sdp_chan_base + chan;
738 }
739
rvu_nix_chan_cpt(struct rvu * rvu,u8 chan)740 static inline u16 rvu_nix_chan_cpt(struct rvu *rvu, u8 chan)
741 {
742 return rvu->hw->cpt_chan_base + chan;
743 }
744
is_rvu_supports_nix1(struct rvu * rvu)745 static inline bool is_rvu_supports_nix1(struct rvu *rvu)
746 {
747 struct pci_dev *pdev = rvu->pdev;
748
749 if (pdev->subsystem_device == PCI_SUBSYS_DEVID_98XX)
750 return true;
751
752 return false;
753 }
754
755 /* Function Prototypes
756 * RVU
757 */
758 #define RVU_LBK_VF_DEVID 0xA0F8
is_lbk_vf(struct rvu * rvu,u16 pcifunc)759 static inline bool is_lbk_vf(struct rvu *rvu, u16 pcifunc)
760 {
761 return (!(pcifunc & ~RVU_PFVF_FUNC_MASK) &&
762 (rvu->vf_devid == RVU_LBK_VF_DEVID));
763 }
764
is_vf(u16 pcifunc)765 static inline bool is_vf(u16 pcifunc)
766 {
767 return !!(pcifunc & RVU_PFVF_FUNC_MASK);
768 }
769
770 /* check if PF_FUNC is AF */
is_pffunc_af(u16 pcifunc)771 static inline bool is_pffunc_af(u16 pcifunc)
772 {
773 return !pcifunc;
774 }
775
is_rvu_fwdata_valid(struct rvu * rvu)776 static inline bool is_rvu_fwdata_valid(struct rvu *rvu)
777 {
778 return (rvu->fwdata->header_magic == RVU_FWDATA_HEADER_MAGIC) &&
779 (rvu->fwdata->version == RVU_FWDATA_VERSION);
780 }
781
782 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc);
783 void rvu_free_bitmap(struct rsrc_bmap *rsrc);
784 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc);
785 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id);
786 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id);
787 int rvu_rsrc_free_count(struct rsrc_bmap *rsrc);
788 int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc);
789 void rvu_free_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc, int start);
790 bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc);
791 u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr);
792 int rvu_get_pf(u16 pcifunc);
793 struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc);
794 void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf);
795 bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr);
796 bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype);
797 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot);
798 int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf);
799 int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc);
800 int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero);
801 int rvu_get_num_lbk_chans(void);
802 int rvu_get_blkaddr_from_slot(struct rvu *rvu, int blktype, u16 pcifunc,
803 u16 global_slot, u16 *slot_in_block);
804
805 /* RVU HW reg validation */
806 enum regmap_block {
807 TXSCHQ_HWREGMAP = 0,
808 MAX_HWREGMAP,
809 };
810
811 bool rvu_check_valid_reg(int regmap, int regblk, u64 reg);
812
813 /* NPA/NIX AQ APIs */
814 int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue,
815 int qsize, int inst_size, int res_size);
816 void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq);
817
818 /* SDP APIs */
819 int rvu_sdp_init(struct rvu *rvu);
820 bool is_sdp_pfvf(u16 pcifunc);
821 bool is_sdp_pf(u16 pcifunc);
822 bool is_sdp_vf(struct rvu *rvu, u16 pcifunc);
823
824 /* CGX APIs */
is_pf_cgxmapped(struct rvu * rvu,u8 pf)825 static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf)
826 {
827 return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs) &&
828 !is_sdp_pf(pf << RVU_PFVF_PF_SHIFT);
829 }
830
rvu_get_cgx_lmac_id(u8 map,u8 * cgx_id,u8 * lmac_id)831 static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id)
832 {
833 *cgx_id = (map >> 4) & 0xF;
834 *lmac_id = (map & 0xF);
835 }
836
is_cgx_vf(struct rvu * rvu,u16 pcifunc)837 static inline bool is_cgx_vf(struct rvu *rvu, u16 pcifunc)
838 {
839 return ((pcifunc & RVU_PFVF_FUNC_MASK) &&
840 is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc)));
841 }
842
843 #define M(_name, _id, fn_name, req, rsp) \
844 int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *);
845 MBOX_MESSAGES
846 #undef M
847
848 int rvu_cgx_init(struct rvu *rvu);
849 int rvu_cgx_exit(struct rvu *rvu);
850 void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu);
851 int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start);
852 void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable);
853 int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start);
854 int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index,
855 int rxtxflag, u64 *stat);
856 void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc);
857
858 /* NPA APIs */
859 int rvu_npa_init(struct rvu *rvu);
860 void rvu_npa_freemem(struct rvu *rvu);
861 void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf);
862 int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req,
863 struct npa_aq_enq_rsp *rsp);
864
865 /* NIX APIs */
866 bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc);
867 int rvu_nix_init(struct rvu *rvu);
868 int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw,
869 int blkaddr, u32 cfg);
870 void rvu_nix_freemem(struct rvu *rvu);
871 int rvu_get_nixlf_count(struct rvu *rvu);
872 void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf);
873 int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr);
874 int nix_update_mce_list(struct rvu *rvu, u16 pcifunc,
875 struct nix_mce_list *mce_list,
876 int mce_idx, int mcam_index, bool add);
877 void nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type,
878 struct nix_mce_list **mce_list, int *mce_idx);
879 struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr);
880 int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr);
881 void rvu_nix_reset_mac(struct rvu_pfvf *pfvf, int pcifunc);
882 int nix_get_struct_ptrs(struct rvu *rvu, u16 pcifunc,
883 struct nix_hw **nix_hw, int *blkaddr);
884 int rvu_nix_setup_ratelimit_aggr(struct rvu *rvu, u16 pcifunc,
885 u16 rq_idx, u16 match_id);
886 int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw,
887 struct nix_cn10k_aq_enq_req *aq_req,
888 struct nix_cn10k_aq_enq_rsp *aq_rsp,
889 u16 pcifunc, u8 ctype, u32 qidx);
890 int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc);
891 int nix_get_dwrr_mtu_reg(struct rvu_hwinfo *hw, int smq_link_type);
892 u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu);
893 u32 convert_bytes_to_dwrr_mtu(u32 bytes);
894 void rvu_nix_tx_tl2_cfg(struct rvu *rvu, int blkaddr, u16 pcifunc,
895 struct nix_txsch *txsch, bool enable);
896 void rvu_nix_mcast_flr_free_entries(struct rvu *rvu, u16 pcifunc);
897 int rvu_nix_mcast_get_mce_index(struct rvu *rvu, u16 pcifunc,
898 u32 mcast_grp_idx);
899 int rvu_nix_mcast_update_mcam_entry(struct rvu *rvu, u16 pcifunc,
900 u32 mcast_grp_idx, u16 mcam_index);
901 void rvu_nix_flr_free_bpids(struct rvu *rvu, u16 pcifunc);
902
903 /* NPC APIs */
904 void rvu_npc_freemem(struct rvu *rvu);
905 int rvu_npc_get_pkind(struct rvu *rvu, u16 pf);
906 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf);
907 int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en);
908 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
909 int nixlf, u64 chan, u8 *mac_addr);
910 void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
911 int nixlf, u64 chan, u8 chan_cnt);
912 void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
913 bool enable);
914 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
915 int nixlf, u64 chan);
916 void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
917 bool enable);
918 void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
919 u64 chan);
920 void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
921 bool enable);
922
923 void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc,
924 int nixlf, int type, bool enable);
925 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
926 bool rvu_npc_enable_mcam_by_entry_index(struct rvu *rvu, int entry, int intf, bool enable);
927 void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
928 void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
929 void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
930 void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf,
931 int group, int alg_idx, int mcam_index);
932
933 void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc,
934 int blkaddr, int *alloc_cnt,
935 int *enable_cnt);
936 void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc,
937 int blkaddr, int *alloc_cnt,
938 int *enable_cnt);
939 bool is_npc_intf_tx(u8 intf);
940 bool is_npc_intf_rx(u8 intf);
941 bool is_npc_interface_valid(struct rvu *rvu, u8 intf);
942 int rvu_npc_get_tx_nibble_cfg(struct rvu *rvu, u64 nibble_ena);
943 int npc_flow_steering_init(struct rvu *rvu, int blkaddr);
944 const char *npc_get_field_name(u8 hdr);
945 int npc_get_bank(struct npc_mcam *mcam, int index);
946 void npc_mcam_enable_flows(struct rvu *rvu, u16 target);
947 void npc_mcam_disable_flows(struct rvu *rvu, u16 target);
948 void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
949 int blkaddr, int index, bool enable);
950 u64 npc_get_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,
951 int blkaddr, int index);
952 void npc_set_mcam_action(struct rvu *rvu, struct npc_mcam *mcam,
953 int blkaddr, int index, u64 cfg);
954 void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
955 int blkaddr, u16 src, struct mcam_entry *entry,
956 u8 *intf, u8 *ena);
957 bool is_cgx_config_permitted(struct rvu *rvu, u16 pcifunc);
958 bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature);
959 u32 rvu_cgx_get_fifolen(struct rvu *rvu);
960 void *rvu_first_cgx_pdata(struct rvu *rvu);
961 int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id);
962 int rvu_cgx_config_tx(void *cgxd, int lmac_id, bool enable);
963 int rvu_cgx_tx_enable(struct rvu *rvu, u16 pcifunc, bool enable);
964 int rvu_cgx_prio_flow_ctrl_cfg(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause,
965 u16 pfc_en);
966 int rvu_cgx_cfg_pause_frm(struct rvu *rvu, u16 pcifunc, u8 tx_pause, u8 rx_pause);
967 void rvu_mac_reset(struct rvu *rvu, u16 pcifunc);
968 u32 rvu_cgx_get_lmac_fifolen(struct rvu *rvu, int cgx, int lmac);
969 int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf,
970 int type);
971 bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr,
972 int index);
973 int rvu_npc_init(struct rvu *rvu);
974 int npc_install_mcam_drop_rule(struct rvu *rvu, int mcam_idx, u16 *counter_idx,
975 u64 chan_val, u64 chan_mask, u64 exact_val, u64 exact_mask,
976 u64 bcast_mcast_val, u64 bcast_mcast_mask);
977 void npc_mcam_rsrcs_reserve(struct rvu *rvu, int blkaddr, int entry_idx);
978 bool npc_is_feature_supported(struct rvu *rvu, u64 features, u8 intf);
979 int npc_mcam_rsrcs_init(struct rvu *rvu, int blkaddr);
980 void npc_mcam_rsrcs_deinit(struct rvu *rvu);
981
982 /* CPT APIs */
983 int rvu_cpt_register_interrupts(struct rvu *rvu);
984 void rvu_cpt_unregister_interrupts(struct rvu *rvu);
985 int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int lf,
986 int slot);
987 int rvu_cpt_ctx_flush(struct rvu *rvu, u16 pcifunc);
988 int rvu_cpt_init(struct rvu *rvu);
989
990 #define NDC_AF_BANK_MASK GENMASK_ULL(7, 0)
991 #define NDC_AF_BANK_LINE_MASK GENMASK_ULL(31, 16)
992
993 /* CN10K RVU */
994 int rvu_set_channels_base(struct rvu *rvu);
995 void rvu_program_channels(struct rvu *rvu);
996
997 /* CN10K NIX */
998 void rvu_nix_block_cn10k_init(struct rvu *rvu, struct nix_hw *nix_hw);
999
1000 /* CN10K RVU - LMT*/
1001 void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc);
1002 void rvu_apr_block_cn10k_init(struct rvu *rvu);
1003
1004 #ifdef CONFIG_DEBUG_FS
1005 void rvu_dbg_init(struct rvu *rvu);
1006 void rvu_dbg_exit(struct rvu *rvu);
1007 #else
rvu_dbg_init(struct rvu * rvu)1008 static inline void rvu_dbg_init(struct rvu *rvu) {}
rvu_dbg_exit(struct rvu * rvu)1009 static inline void rvu_dbg_exit(struct rvu *rvu) {}
1010 #endif
1011
1012 int rvu_ndc_fix_locked_cacheline(struct rvu *rvu, int blkaddr);
1013
1014 /* RVU Switch */
1015 void rvu_switch_enable(struct rvu *rvu);
1016 void rvu_switch_disable(struct rvu *rvu);
1017 void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc);
1018
1019 int rvu_npc_set_parse_mode(struct rvu *rvu, u16 pcifunc, u64 mode, u8 dir,
1020 u64 pkind, u8 var_len_off, u8 var_len_off_mask,
1021 u8 shift_dir);
1022 int rvu_get_hwvf(struct rvu *rvu, int pcifunc);
1023
1024 /* CN10K MCS */
1025 int rvu_mcs_init(struct rvu *rvu);
1026 int rvu_mcs_flr_handler(struct rvu *rvu, u16 pcifunc);
1027 void rvu_mcs_ptp_cfg(struct rvu *rvu, u8 rpm_id, u8 lmac_id, bool ena);
1028 void rvu_mcs_exit(struct rvu *rvu);
1029
1030 #endif /* RVU_H */
1031