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