1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*  Marvell OcteonTx2 RVU Admin Function driver
3  *
4  * Copyright (C) 2018 Marvell International Ltd.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef RVU_H
12 #define RVU_H
13 
14 #include <linux/pci.h>
15 #include <net/devlink.h>
16 
17 #include "rvu_struct.h"
18 #include "rvu_devlink.h"
19 #include "common.h"
20 #include "mbox.h"
21 #include "npc.h"
22 #include "rvu_reg.h"
23 
24 /* PCI device IDs */
25 #define	PCI_DEVID_OCTEONTX2_RVU_AF		0xA065
26 #define	PCI_DEVID_OCTEONTX2_LBK			0xA061
27 
28 /* Subsystem Device ID */
29 #define PCI_SUBSYS_DEVID_96XX                  0xB200
30 #define PCI_SUBSYS_DEVID_CN10K_A	       0xB900
31 
32 /* PCI BAR nos */
33 #define	PCI_AF_REG_BAR_NUM			0
34 #define	PCI_PF_REG_BAR_NUM			2
35 #define	PCI_MBOX_BAR_NUM			4
36 
37 #define NAME_SIZE				32
38 #define MAX_NIX_BLKS				2
39 #define MAX_CPT_BLKS				2
40 
41 /* PF_FUNC */
42 #define RVU_PFVF_PF_SHIFT	10
43 #define RVU_PFVF_PF_MASK	0x3F
44 #define RVU_PFVF_FUNC_SHIFT	0
45 #define RVU_PFVF_FUNC_MASK	0x3FF
46 
47 #ifdef CONFIG_DEBUG_FS
48 struct dump_ctx {
49 	int	lf;
50 	int	id;
51 	bool	all;
52 };
53 
54 struct cpt_ctx {
55 	int blkaddr;
56 	struct rvu *rvu;
57 };
58 
59 struct rvu_debugfs {
60 	struct dentry *root;
61 	struct dentry *cgx_root;
62 	struct dentry *cgx;
63 	struct dentry *lmac;
64 	struct dentry *npa;
65 	struct dentry *nix;
66 	struct dentry *npc;
67 	struct dentry *cpt;
68 	struct dump_ctx npa_aura_ctx;
69 	struct dump_ctx npa_pool_ctx;
70 	struct dump_ctx nix_cq_ctx;
71 	struct dump_ctx nix_rq_ctx;
72 	struct dump_ctx nix_sq_ctx;
73 	struct cpt_ctx cpt_ctx[MAX_CPT_BLKS];
74 	int npa_qsize_id;
75 	int nix_qsize_id;
76 };
77 #endif
78 
79 struct rvu_work {
80 	struct	work_struct work;
81 	struct	rvu *rvu;
82 	int num_msgs;
83 	int up_num_msgs;
84 };
85 
86 struct rsrc_bmap {
87 	unsigned long *bmap;	/* Pointer to resource bitmap */
88 	u16  max;		/* Max resource id or count */
89 };
90 
91 struct rvu_block {
92 	struct rsrc_bmap	lf;
93 	struct admin_queue	*aq; /* NIX/NPA AQ */
94 	u16  *fn_map; /* LF to pcifunc mapping */
95 	bool multislot;
96 	bool implemented;
97 	u8   addr;  /* RVU_BLOCK_ADDR_E */
98 	u8   type;  /* RVU_BLOCK_TYPE_E */
99 	u8   lfshift;
100 	u64  lookup_reg;
101 	u64  pf_lfcnt_reg;
102 	u64  vf_lfcnt_reg;
103 	u64  lfcfg_reg;
104 	u64  msixcfg_reg;
105 	u64  lfreset_reg;
106 	unsigned char name[NAME_SIZE];
107 };
108 
109 struct nix_mcast {
110 	struct qmem	*mce_ctx;
111 	struct qmem	*mcast_buf;
112 	int		replay_pkind;
113 	int		next_free_mce;
114 	struct mutex	mce_lock; /* Serialize MCE updates */
115 };
116 
117 struct nix_mce_list {
118 	struct hlist_head	head;
119 	int			count;
120 	int			max;
121 };
122 
123 /* layer metadata to uniquely identify a packet header field */
124 struct npc_layer_mdata {
125 	u8 lid;
126 	u8 ltype;
127 	u8 hdr;
128 	u8 key;
129 	u8 len;
130 };
131 
132 /* Structure to represent a field present in the
133  * generated key. A key field may present anywhere and can
134  * be of any size in the generated key. Once this structure
135  * is populated for fields of interest then field's presence
136  * and location (if present) can be known.
137  */
138 struct npc_key_field {
139 	/* Masks where all set bits indicate position
140 	 * of a field in the key
141 	 */
142 	u64 kw_mask[NPC_MAX_KWS_IN_KEY];
143 	/* Number of words in the key a field spans. If a field is
144 	 * of 16 bytes and key offset is 4 then the field will use
145 	 * 4 bytes in KW0, 8 bytes in KW1 and 4 bytes in KW2 and
146 	 * nr_kws will be 3(KW0, KW1 and KW2).
147 	 */
148 	int nr_kws;
149 	/* used by packet header fields */
150 	struct npc_layer_mdata layer_mdata;
151 };
152 
153 struct npc_mcam {
154 	struct rsrc_bmap counters;
155 	struct mutex	lock;	/* MCAM entries and counters update lock */
156 	unsigned long	*bmap;		/* bitmap, 0 => bmap_entries */
157 	unsigned long	*bmap_reverse;	/* Reverse bitmap, bmap_entries => 0 */
158 	u16	bmap_entries;	/* Number of unreserved MCAM entries */
159 	u16	bmap_fcnt;	/* MCAM entries free count */
160 	u16	*entry2pfvf_map;
161 	u16	*entry2cntr_map;
162 	u16	*cntr2pfvf_map;
163 	u16	*cntr_refcnt;
164 	u16	*entry2target_pffunc;
165 	u8	keysize;	/* MCAM keysize 112/224/448 bits */
166 	u8	banks;		/* Number of MCAM banks */
167 	u8	banks_per_entry;/* Number of keywords in key */
168 	u16	banksize;	/* Number of MCAM entries in each bank */
169 	u16	total_entries;	/* Total number of MCAM entries */
170 	u16	nixlf_offset;	/* Offset of nixlf rsvd uncast entries */
171 	u16	pf_offset;	/* Offset of PF's rsvd bcast, promisc entries */
172 	u16	lprio_count;
173 	u16	lprio_start;
174 	u16	hprio_count;
175 	u16	hprio_end;
176 	u16     rx_miss_act_cntr; /* Counter for RX MISS action */
177 	/* fields present in the generated key */
178 	struct npc_key_field	tx_key_fields[NPC_KEY_FIELDS_MAX];
179 	struct npc_key_field	rx_key_fields[NPC_KEY_FIELDS_MAX];
180 	u64	tx_features;
181 	u64	rx_features;
182 	struct list_head mcam_rules;
183 };
184 
185 /* Structure for per RVU func info ie PF/VF */
186 struct rvu_pfvf {
187 	bool		npalf; /* Only one NPALF per RVU_FUNC */
188 	bool		nixlf; /* Only one NIXLF per RVU_FUNC */
189 	u16		sso;
190 	u16		ssow;
191 	u16		cptlfs;
192 	u16		timlfs;
193 	u16		cpt1_lfs;
194 	u8		cgx_lmac;
195 
196 	/* Block LF's MSIX vector info */
197 	struct rsrc_bmap msix;      /* Bitmap for MSIX vector alloc */
198 #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF))
199 	u16		 *msix_lfmap; /* Vector to block LF mapping */
200 
201 	/* NPA contexts */
202 	struct qmem	*aura_ctx;
203 	struct qmem	*pool_ctx;
204 	struct qmem	*npa_qints_ctx;
205 	unsigned long	*aura_bmap;
206 	unsigned long	*pool_bmap;
207 
208 	/* NIX contexts */
209 	struct qmem	*rq_ctx;
210 	struct qmem	*sq_ctx;
211 	struct qmem	*cq_ctx;
212 	struct qmem	*rss_ctx;
213 	struct qmem	*cq_ints_ctx;
214 	struct qmem	*nix_qints_ctx;
215 	unsigned long	*sq_bmap;
216 	unsigned long	*rq_bmap;
217 	unsigned long	*cq_bmap;
218 
219 	u16		rx_chan_base;
220 	u16		tx_chan_base;
221 	u8              rx_chan_cnt; /* total number of RX channels */
222 	u8              tx_chan_cnt; /* total number of TX channels */
223 	u16		maxlen;
224 	u16		minlen;
225 
226 	u8		mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */
227 	u8		default_mac[ETH_ALEN]; /* MAC address from FWdata */
228 
229 	/* Broadcast/Multicast/Promisc pkt replication info */
230 	u16			bcast_mce_idx;
231 	u16			mcast_mce_idx;
232 	u16			promisc_mce_idx;
233 	struct nix_mce_list	bcast_mce_list;
234 	struct nix_mce_list	mcast_mce_list;
235 	struct nix_mce_list	promisc_mce_list;
236 	bool			use_mce_list;
237 
238 	struct rvu_npc_mcam_rule *def_ucast_rule;
239 
240 	bool	cgx_in_use; /* this PF/VF using CGX? */
241 	int	cgx_users;  /* number of cgx users - used only by PFs */
242 
243 	u8	nix_blkaddr; /* BLKADDR_NIX0/1 assigned to this PF */
244 	u8	nix_rx_intf; /* NIX0_RX/NIX1_RX interface to NPC */
245 	u8	nix_tx_intf; /* NIX0_TX/NIX1_TX interface to NPC */
246 	u64     lmt_base_addr; /* Preseving the pcifunc's lmtst base addr*/
247 	unsigned long flags;
248 };
249 
250 enum rvu_pfvf_flags {
251 	NIXLF_INITIALIZED = 0,
252 	PF_SET_VF_MAC,
253 	PF_SET_VF_CFG,
254 	PF_SET_VF_TRUSTED,
255 };
256 
257 #define RVU_CLEAR_VF_PERM  ~GENMASK(PF_SET_VF_TRUSTED, PF_SET_VF_MAC)
258 
259 struct nix_txsch {
260 	struct rsrc_bmap schq;
261 	u8   lvl;
262 #define NIX_TXSCHQ_FREE		      BIT_ULL(1)
263 #define NIX_TXSCHQ_CFG_DONE	      BIT_ULL(0)
264 #define TXSCH_MAP_FUNC(__pfvf_map)    ((__pfvf_map) & 0xFFFF)
265 #define TXSCH_MAP_FLAGS(__pfvf_map)   ((__pfvf_map) >> 16)
266 #define TXSCH_MAP(__func, __flags)    (((__func) & 0xFFFF) | ((__flags) << 16))
267 #define TXSCH_SET_FLAG(__pfvf_map, flag)    ((__pfvf_map) | ((flag) << 16))
268 	u32  *pfvf_map;
269 };
270 
271 struct nix_mark_format {
272 	u8 total;
273 	u8 in_use;
274 	u32 *cfg;
275 };
276 
277 struct npc_pkind {
278 	struct rsrc_bmap rsrc;
279 	u32	*pfchan_map;
280 };
281 
282 struct nix_flowkey {
283 #define NIX_FLOW_KEY_ALG_MAX 32
284 	u32 flowkey[NIX_FLOW_KEY_ALG_MAX];
285 	int in_use;
286 };
287 
288 struct nix_lso {
289 	u8 total;
290 	u8 in_use;
291 };
292 
293 struct nix_txvlan {
294 #define NIX_TX_VTAG_DEF_MAX 0x400
295 	struct rsrc_bmap rsrc;
296 	u16 *entry2pfvf_map;
297 	struct mutex rsrc_lock; /* Serialize resource alloc/free */
298 };
299 
300 struct nix_ipolicer {
301 	struct rsrc_bmap band_prof;
302 	u16 *pfvf_map;
303 	u16 *match_id;
304 	u16 *ref_count;
305 };
306 
307 struct nix_hw {
308 	int blkaddr;
309 	struct rvu *rvu;
310 	struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */
311 	struct nix_mcast mcast;
312 	struct nix_flowkey flowkey;
313 	struct nix_mark_format mark_format;
314 	struct nix_lso lso;
315 	struct nix_txvlan txvlan;
316 	struct nix_ipolicer *ipolicer;
317 };
318 
319 /* RVU block's capabilities or functionality,
320  * which vary by silicon version/skew.
321  */
322 struct hw_cap {
323 	/* Transmit side supported functionality */
324 	u8	nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */
325 	u16	nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */
326 	u16	nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */
327 	u16	nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */
328 	bool	nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */
329 	bool	nix_shaping;		 /* Is shaping and coloring supported */
330 	bool	nix_tx_link_bp;		 /* Can link backpressure TL queues ? */
331 	bool	nix_rx_multicast;	 /* Rx packet replication support */
332 	bool	per_pf_mbox_regs; /* PF mbox specified in per PF registers ? */
333 	bool	programmable_chans; /* Channels programmable ? */
334 	bool	ipolicer;
335 };
336 
337 struct rvu_hwinfo {
338 	u8	total_pfs;   /* MAX RVU PFs HW supports */
339 	u16	total_vfs;   /* Max RVU VFs HW supports */
340 	u16	max_vfs_per_pf; /* Max VFs that can be attached to a PF */
341 	u8	cgx;
342 	u8	lmac_per_cgx;
343 	u16	cgx_chan_base;	/* CGX base channel number */
344 	u16	lbk_chan_base;	/* LBK base channel number */
345 	u16	sdp_chan_base;	/* SDP base channel number */
346 	u16	cpt_chan_base;	/* CPT base channel number */
347 	u8	cgx_links;
348 	u8	lbk_links;
349 	u8	sdp_links;
350 	u8	cpt_links;	/* Number of CPT links */
351 	u8	npc_kpus;          /* No of parser units */
352 	u8	npc_pkinds;        /* No of port kinds */
353 	u8	npc_intfs;         /* No of interfaces */
354 	u8	npc_kpu_entries;   /* No of KPU entries */
355 	u16	npc_counters;	   /* No of match stats counters */
356 	u32	lbk_bufsize;	   /* FIFO size supported by LBK */
357 	bool	npc_ext_set;	   /* Extended register set */
358 
359 	struct hw_cap    cap;
360 	struct rvu_block block[BLK_COUNT]; /* Block info */
361 	struct nix_hw    *nix;
362 	struct rvu	 *rvu;
363 	struct npc_pkind pkind;
364 	struct npc_mcam  mcam;
365 };
366 
367 struct mbox_wq_info {
368 	struct otx2_mbox mbox;
369 	struct rvu_work *mbox_wrk;
370 
371 	struct otx2_mbox mbox_up;
372 	struct rvu_work *mbox_wrk_up;
373 
374 	struct workqueue_struct *mbox_wq;
375 };
376 
377 struct rvu_fwdata {
378 #define RVU_FWDATA_HEADER_MAGIC	0xCFDA	/* Custom Firmware Data*/
379 #define RVU_FWDATA_VERSION	0x0001
380 	u32 header_magic;
381 	u32 version;		/* version id */
382 
383 	/* MAC address */
384 #define PF_MACNUM_MAX	32
385 #define VF_MACNUM_MAX	256
386 	u64 pf_macs[PF_MACNUM_MAX];
387 	u64 vf_macs[VF_MACNUM_MAX];
388 	u64 sclk;
389 	u64 rclk;
390 	u64 mcam_addr;
391 	u64 mcam_sz;
392 	u64 msixtr_base;
393 #define FWDATA_RESERVED_MEM 1023
394 	u64 reserved[FWDATA_RESERVED_MEM];
395 #define CGX_MAX         5
396 #define CGX_LMACS_MAX   4
397 	struct cgx_lmac_fwdata_s cgx_fw_data[CGX_MAX][CGX_LMACS_MAX];
398 	/* Do not add new fields below this line */
399 };
400 
401 struct ptp;
402 
403 /* KPU profile adapter structure gathering all KPU configuration data and abstracting out the
404  * source where it came from.
405  */
406 struct npc_kpu_profile_adapter {
407 	const char			*name;
408 	u64				version;
409 	const struct npc_lt_def_cfg	*lt_def;
410 	const struct npc_kpu_profile_action	*ikpu; /* array[pkinds] */
411 	const struct npc_kpu_profile	*kpu; /* array[kpus] */
412 	struct npc_mcam_kex		*mkex;
413 	bool				custom;
414 	size_t				pkinds;
415 	size_t				kpus;
416 };
417 
418 #define RVU_SWITCH_LBK_CHAN	63
419 
420 struct rvu_switch {
421 	struct mutex switch_lock; /* Serialize flow installation */
422 	u32 used_entries;
423 	u16 *entry2pcifunc;
424 	u16 mode;
425 	u16 start_entry;
426 };
427 
428 struct rvu {
429 	void __iomem		*afreg_base;
430 	void __iomem		*pfreg_base;
431 	struct pci_dev		*pdev;
432 	struct device		*dev;
433 	struct rvu_hwinfo       *hw;
434 	struct rvu_pfvf		*pf;
435 	struct rvu_pfvf		*hwvf;
436 	struct mutex		rsrc_lock; /* Serialize resource alloc/free */
437 	int			vfs; /* Number of VFs attached to RVU */
438 	int			nix_blkaddr[MAX_NIX_BLKS];
439 
440 	/* Mbox */
441 	struct mbox_wq_info	afpf_wq_info;
442 	struct mbox_wq_info	afvf_wq_info;
443 
444 	/* PF FLR */
445 	struct rvu_work		*flr_wrk;
446 	struct workqueue_struct *flr_wq;
447 	struct mutex		flr_lock; /* Serialize FLRs */
448 
449 	/* MSI-X */
450 	u16			num_vec;
451 	char			*irq_name;
452 	bool			*irq_allocated;
453 	dma_addr_t		msix_base_iova;
454 	u64			msixtr_base_phy; /* Register reset value */
455 
456 	/* CGX */
457 #define PF_CGXMAP_BASE		1 /* PF 0 is reserved for RVU PF */
458 	u16			cgx_mapped_vfs; /* maximum CGX mapped VFs */
459 	u8			cgx_mapped_pfs;
460 	u8			cgx_cnt_max;	 /* CGX port count max */
461 	u8			*pf2cgxlmac_map; /* pf to cgx_lmac map */
462 	u16			*cgxlmac2pf_map; /* bitmap of mapped pfs for
463 						  * every cgx lmac port
464 						  */
465 	unsigned long		pf_notify_bmap; /* Flags for PF notification */
466 	void			**cgx_idmap; /* cgx id to cgx data map table */
467 	struct			work_struct cgx_evh_work;
468 	struct			workqueue_struct *cgx_evh_wq;
469 	spinlock_t		cgx_evq_lock; /* cgx event queue lock */
470 	struct list_head	cgx_evq_head; /* cgx event queue head */
471 	struct mutex		cgx_cfg_lock; /* serialize cgx configuration */
472 
473 	char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */
474 	char kpu_pfl_name[KPU_NAME_LEN]; /* Configured KPU profile name */
475 
476 	/* Firmware data */
477 	struct rvu_fwdata	*fwdata;
478 	void			*kpu_fwdata;
479 	size_t			kpu_fwdata_sz;
480 	void __iomem		*kpu_prfl_addr;
481 
482 	/* NPC KPU data */
483 	struct npc_kpu_profile_adapter kpu;
484 
485 	struct ptp		*ptp;
486 
487 #ifdef CONFIG_DEBUG_FS
488 	struct rvu_debugfs	rvu_dbg;
489 #endif
490 	struct rvu_devlink	*rvu_dl;
491 
492 	/* RVU switch implementation over NPC with DMAC rules */
493 	struct rvu_switch	rswitch;
494 };
495 
496 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
497 {
498 	writeq(val, rvu->afreg_base + ((block << 28) | offset));
499 }
500 
501 static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset)
502 {
503 	return readq(rvu->afreg_base + ((block << 28) | offset));
504 }
505 
506 static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val)
507 {
508 	writeq(val, rvu->pfreg_base + offset);
509 }
510 
511 static inline u64 rvupf_read64(struct rvu *rvu, u64 offset)
512 {
513 	return readq(rvu->pfreg_base + offset);
514 }
515 
516 /* Silicon revisions */
517 static inline bool is_rvu_96xx_A0(struct rvu *rvu)
518 {
519 	struct pci_dev *pdev = rvu->pdev;
520 
521 	return (pdev->revision == 0x00) &&
522 		(pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX);
523 }
524 
525 static inline bool is_rvu_96xx_B0(struct rvu *rvu)
526 {
527 	struct pci_dev *pdev = rvu->pdev;
528 
529 	return ((pdev->revision == 0x00) || (pdev->revision == 0x01)) &&
530 		(pdev->subsystem_device == PCI_SUBSYS_DEVID_96XX);
531 }
532 
533 /* REVID for PCIe devices.
534  * Bits 0..1: minor pass, bit 3..2: major pass
535  * bits 7..4: midr id
536  */
537 #define PCI_REVISION_ID_96XX		0x00
538 #define PCI_REVISION_ID_95XX		0x10
539 #define PCI_REVISION_ID_LOKI		0x20
540 #define PCI_REVISION_ID_98XX		0x30
541 #define PCI_REVISION_ID_95XXMM		0x40
542 
543 static inline bool is_rvu_otx2(struct rvu *rvu)
544 {
545 	struct pci_dev *pdev = rvu->pdev;
546 
547 	u8 midr = pdev->revision & 0xF0;
548 
549 	return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX ||
550 		midr == PCI_REVISION_ID_LOKI || midr == PCI_REVISION_ID_98XX ||
551 		midr == PCI_REVISION_ID_95XXMM);
552 }
553 
554 static inline u16 rvu_nix_chan_cgx(struct rvu *rvu, u8 cgxid,
555 				   u8 lmacid, u8 chan)
556 {
557 	u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
558 	u16 cgx_chans = nix_const & 0xFFULL;
559 	struct rvu_hwinfo *hw = rvu->hw;
560 
561 	if (!hw->cap.programmable_chans)
562 		return NIX_CHAN_CGX_LMAC_CHX(cgxid, lmacid, chan);
563 
564 	return rvu->hw->cgx_chan_base +
565 		(cgxid * hw->lmac_per_cgx + lmacid) * cgx_chans + chan;
566 }
567 
568 static inline u16 rvu_nix_chan_lbk(struct rvu *rvu, u8 lbkid,
569 				   u8 chan)
570 {
571 	u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
572 	u16 lbk_chans = (nix_const >> 16) & 0xFFULL;
573 	struct rvu_hwinfo *hw = rvu->hw;
574 
575 	if (!hw->cap.programmable_chans)
576 		return NIX_CHAN_LBK_CHX(lbkid, chan);
577 
578 	return rvu->hw->lbk_chan_base + lbkid * lbk_chans + chan;
579 }
580 
581 static inline u16 rvu_nix_chan_cpt(struct rvu *rvu, u8 chan)
582 {
583 	return rvu->hw->cpt_chan_base + chan;
584 }
585 
586 /* Function Prototypes
587  * RVU
588  */
589 static inline bool is_afvf(u16 pcifunc)
590 {
591 	return !(pcifunc & ~RVU_PFVF_FUNC_MASK);
592 }
593 
594 static inline bool is_vf(u16 pcifunc)
595 {
596 	return !!(pcifunc & RVU_PFVF_FUNC_MASK);
597 }
598 
599 /* check if PF_FUNC is AF */
600 static inline bool is_pffunc_af(u16 pcifunc)
601 {
602 	return !pcifunc;
603 }
604 
605 static inline bool is_rvu_fwdata_valid(struct rvu *rvu)
606 {
607 	return (rvu->fwdata->header_magic == RVU_FWDATA_HEADER_MAGIC) &&
608 		(rvu->fwdata->version == RVU_FWDATA_VERSION);
609 }
610 
611 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc);
612 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc);
613 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id);
614 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id);
615 int rvu_rsrc_free_count(struct rsrc_bmap *rsrc);
616 int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc);
617 bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc);
618 u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr);
619 int rvu_get_pf(u16 pcifunc);
620 struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc);
621 void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf);
622 bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr);
623 bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype);
624 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot);
625 int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf);
626 int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc);
627 int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero);
628 int rvu_get_num_lbk_chans(void);
629 
630 /* RVU HW reg validation */
631 enum regmap_block {
632 	TXSCHQ_HWREGMAP = 0,
633 	MAX_HWREGMAP,
634 };
635 
636 bool rvu_check_valid_reg(int regmap, int regblk, u64 reg);
637 
638 /* NPA/NIX AQ APIs */
639 int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue,
640 		 int qsize, int inst_size, int res_size);
641 void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq);
642 
643 /* CGX APIs */
644 static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf)
645 {
646 	return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs);
647 }
648 
649 static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id)
650 {
651 	*cgx_id = (map >> 4) & 0xF;
652 	*lmac_id = (map & 0xF);
653 }
654 
655 static inline bool is_cgx_vf(struct rvu *rvu, u16 pcifunc)
656 {
657 	return ((pcifunc & RVU_PFVF_FUNC_MASK) &&
658 		is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc)));
659 }
660 
661 #define M(_name, _id, fn_name, req, rsp)				\
662 int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *);
663 MBOX_MESSAGES
664 #undef M
665 
666 int rvu_cgx_init(struct rvu *rvu);
667 int rvu_cgx_exit(struct rvu *rvu);
668 void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu);
669 int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start);
670 void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable);
671 int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start);
672 int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index,
673 			   int rxtxflag, u64 *stat);
674 void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc);
675 
676 /* NPA APIs */
677 int rvu_npa_init(struct rvu *rvu);
678 void rvu_npa_freemem(struct rvu *rvu);
679 void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf);
680 int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req,
681 			struct npa_aq_enq_rsp *rsp);
682 
683 /* NIX APIs */
684 bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc);
685 int rvu_nix_init(struct rvu *rvu);
686 int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw,
687 				int blkaddr, u32 cfg);
688 void rvu_nix_freemem(struct rvu *rvu);
689 int rvu_get_nixlf_count(struct rvu *rvu);
690 void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf);
691 int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr);
692 int nix_update_mce_list(struct rvu *rvu, u16 pcifunc,
693 			struct nix_mce_list *mce_list,
694 			int mce_idx, int mcam_index, bool add);
695 void nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type,
696 		      struct nix_mce_list **mce_list, int *mce_idx);
697 struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr);
698 int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr);
699 void rvu_nix_reset_mac(struct rvu_pfvf *pfvf, int pcifunc);
700 int nix_get_struct_ptrs(struct rvu *rvu, u16 pcifunc,
701 			struct nix_hw **nix_hw, int *blkaddr);
702 int rvu_nix_setup_ratelimit_aggr(struct rvu *rvu, u16 pcifunc,
703 				 u16 rq_idx, u16 match_id);
704 int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw,
705 			struct nix_cn10k_aq_enq_req *aq_req,
706 			struct nix_cn10k_aq_enq_rsp *aq_rsp,
707 			u16 pcifunc, u8 ctype, u32 qidx);
708 int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc);
709 
710 /* NPC APIs */
711 int rvu_npc_init(struct rvu *rvu);
712 void rvu_npc_freemem(struct rvu *rvu);
713 int rvu_npc_get_pkind(struct rvu *rvu, u16 pf);
714 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf);
715 int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en);
716 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
717 				 int nixlf, u64 chan, u8 *mac_addr);
718 void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
719 				   int nixlf, u64 chan, u8 chan_cnt);
720 void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
721 				  bool enable);
722 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
723 				       int nixlf, u64 chan);
724 void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
725 				bool enable);
726 void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
727 				    u64 chan);
728 void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
729 				   bool enable);
730 void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc,
731 				  int nixlf, int type, bool enable);
732 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
733 void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
734 void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
735 void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
736 void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf,
737 				    int group, int alg_idx, int mcam_index);
738 void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc,
739 				       int blkaddr, int *alloc_cnt,
740 				       int *enable_cnt);
741 void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc,
742 					 int blkaddr, int *alloc_cnt,
743 					 int *enable_cnt);
744 bool is_npc_intf_tx(u8 intf);
745 bool is_npc_intf_rx(u8 intf);
746 bool is_npc_interface_valid(struct rvu *rvu, u8 intf);
747 int rvu_npc_get_tx_nibble_cfg(struct rvu *rvu, u64 nibble_ena);
748 int npc_mcam_verify_channel(struct rvu *rvu, u16 pcifunc, u8 intf, u16 channel);
749 int npc_flow_steering_init(struct rvu *rvu, int blkaddr);
750 const char *npc_get_field_name(u8 hdr);
751 int npc_get_bank(struct npc_mcam *mcam, int index);
752 void npc_mcam_enable_flows(struct rvu *rvu, u16 target);
753 void npc_mcam_disable_flows(struct rvu *rvu, u16 target);
754 void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
755 			   int blkaddr, int index, bool enable);
756 void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
757 			 int blkaddr, u16 src, struct mcam_entry *entry,
758 			 u8 *intf, u8 *ena);
759 bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature);
760 u32  rvu_cgx_get_fifolen(struct rvu *rvu);
761 void *rvu_first_cgx_pdata(struct rvu *rvu);
762 int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id);
763 
764 int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf,
765 			     int type);
766 bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr,
767 			   int index);
768 
769 /* CPT APIs */
770 int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int lf, int slot);
771 
772 /* CN10K RVU */
773 int rvu_set_channels_base(struct rvu *rvu);
774 void rvu_program_channels(struct rvu *rvu);
775 
776 /* CN10K RVU - LMT*/
777 void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc);
778 
779 #ifdef CONFIG_DEBUG_FS
780 void rvu_dbg_init(struct rvu *rvu);
781 void rvu_dbg_exit(struct rvu *rvu);
782 #else
783 static inline void rvu_dbg_init(struct rvu *rvu) {}
784 static inline void rvu_dbg_exit(struct rvu *rvu) {}
785 #endif
786 
787 /* RVU Switch */
788 void rvu_switch_enable(struct rvu *rvu);
789 void rvu_switch_disable(struct rvu *rvu);
790 void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc);
791 
792 #endif /* RVU_H */
793