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 
21 /* PCI device IDs */
22 #define	PCI_DEVID_OCTEONTX2_RVU_AF		0xA065
23 #define	PCI_DEVID_OCTEONTX2_LBK			0xA061
24 
25 /* Subsystem Device ID */
26 #define PCI_SUBSYS_DEVID_96XX                  0xB200
27 #define PCI_SUBSYS_DEVID_CN10K_A	       0xB900
28 
29 /* PCI BAR nos */
30 #define	PCI_AF_REG_BAR_NUM			0
31 #define	PCI_PF_REG_BAR_NUM			2
32 #define	PCI_MBOX_BAR_NUM			4
33 
34 #define NAME_SIZE				32
35 #define MAX_NIX_BLKS				2
36 #define MAX_CPT_BLKS				2
37 
38 /* PF_FUNC */
39 #define RVU_PFVF_PF_SHIFT	10
40 #define RVU_PFVF_PF_MASK	0x3F
41 #define RVU_PFVF_FUNC_SHIFT	0
42 #define RVU_PFVF_FUNC_MASK	0x3FF
43 
44 #ifdef CONFIG_DEBUG_FS
45 struct dump_ctx {
46 	int	lf;
47 	int	id;
48 	bool	all;
49 };
50 
51 struct cpt_ctx {
52 	int blkaddr;
53 	struct rvu *rvu;
54 };
55 
56 struct rvu_debugfs {
57 	struct dentry *root;
58 	struct dentry *cgx_root;
59 	struct dentry *cgx;
60 	struct dentry *lmac;
61 	struct dentry *npa;
62 	struct dentry *nix;
63 	struct dentry *npc;
64 	struct dentry *cpt;
65 	struct dump_ctx npa_aura_ctx;
66 	struct dump_ctx npa_pool_ctx;
67 	struct dump_ctx nix_cq_ctx;
68 	struct dump_ctx nix_rq_ctx;
69 	struct dump_ctx nix_sq_ctx;
70 	struct cpt_ctx cpt_ctx[MAX_CPT_BLKS];
71 	int npa_qsize_id;
72 	int nix_qsize_id;
73 };
74 #endif
75 
76 struct rvu_work {
77 	struct	work_struct work;
78 	struct	rvu *rvu;
79 	int num_msgs;
80 	int up_num_msgs;
81 };
82 
83 struct rsrc_bmap {
84 	unsigned long *bmap;	/* Pointer to resource bitmap */
85 	u16  max;		/* Max resource id or count */
86 };
87 
88 struct rvu_block {
89 	struct rsrc_bmap	lf;
90 	struct admin_queue	*aq; /* NIX/NPA AQ */
91 	u16  *fn_map; /* LF to pcifunc mapping */
92 	bool multislot;
93 	bool implemented;
94 	u8   addr;  /* RVU_BLOCK_ADDR_E */
95 	u8   type;  /* RVU_BLOCK_TYPE_E */
96 	u8   lfshift;
97 	u64  lookup_reg;
98 	u64  pf_lfcnt_reg;
99 	u64  vf_lfcnt_reg;
100 	u64  lfcfg_reg;
101 	u64  msixcfg_reg;
102 	u64  lfreset_reg;
103 	unsigned char name[NAME_SIZE];
104 };
105 
106 struct nix_mcast {
107 	struct qmem	*mce_ctx;
108 	struct qmem	*mcast_buf;
109 	int		replay_pkind;
110 	int		next_free_mce;
111 	struct mutex	mce_lock; /* Serialize MCE updates */
112 };
113 
114 struct nix_mce_list {
115 	struct hlist_head	head;
116 	int			count;
117 	int			max;
118 };
119 
120 /* layer metadata to uniquely identify a packet header field */
121 struct npc_layer_mdata {
122 	u8 lid;
123 	u8 ltype;
124 	u8 hdr;
125 	u8 key;
126 	u8 len;
127 };
128 
129 /* Structure to represent a field present in the
130  * generated key. A key field may present anywhere and can
131  * be of any size in the generated key. Once this structure
132  * is populated for fields of interest then field's presence
133  * and location (if present) can be known.
134  */
135 struct npc_key_field {
136 	/* Masks where all set bits indicate position
137 	 * of a field in the key
138 	 */
139 	u64 kw_mask[NPC_MAX_KWS_IN_KEY];
140 	/* Number of words in the key a field spans. If a field is
141 	 * of 16 bytes and key offset is 4 then the field will use
142 	 * 4 bytes in KW0, 8 bytes in KW1 and 4 bytes in KW2 and
143 	 * nr_kws will be 3(KW0, KW1 and KW2).
144 	 */
145 	int nr_kws;
146 	/* used by packet header fields */
147 	struct npc_layer_mdata layer_mdata;
148 };
149 
150 struct npc_mcam {
151 	struct rsrc_bmap counters;
152 	struct mutex	lock;	/* MCAM entries and counters update lock */
153 	unsigned long	*bmap;		/* bitmap, 0 => bmap_entries */
154 	unsigned long	*bmap_reverse;	/* Reverse bitmap, bmap_entries => 0 */
155 	u16	bmap_entries;	/* Number of unreserved MCAM entries */
156 	u16	bmap_fcnt;	/* MCAM entries free count */
157 	u16	*entry2pfvf_map;
158 	u16	*entry2cntr_map;
159 	u16	*cntr2pfvf_map;
160 	u16	*cntr_refcnt;
161 	u16	*entry2target_pffunc;
162 	u8	keysize;	/* MCAM keysize 112/224/448 bits */
163 	u8	banks;		/* Number of MCAM banks */
164 	u8	banks_per_entry;/* Number of keywords in key */
165 	u16	banksize;	/* Number of MCAM entries in each bank */
166 	u16	total_entries;	/* Total number of MCAM entries */
167 	u16	nixlf_offset;	/* Offset of nixlf rsvd uncast entries */
168 	u16	pf_offset;	/* Offset of PF's rsvd bcast, promisc entries */
169 	u16	lprio_count;
170 	u16	lprio_start;
171 	u16	hprio_count;
172 	u16	hprio_end;
173 	u16     rx_miss_act_cntr; /* Counter for RX MISS action */
174 	/* fields present in the generated key */
175 	struct npc_key_field	tx_key_fields[NPC_KEY_FIELDS_MAX];
176 	struct npc_key_field	rx_key_fields[NPC_KEY_FIELDS_MAX];
177 	u64	tx_features;
178 	u64	rx_features;
179 	struct list_head mcam_rules;
180 };
181 
182 /* Structure for per RVU func info ie PF/VF */
183 struct rvu_pfvf {
184 	bool		npalf; /* Only one NPALF per RVU_FUNC */
185 	bool		nixlf; /* Only one NIXLF per RVU_FUNC */
186 	u16		sso;
187 	u16		ssow;
188 	u16		cptlfs;
189 	u16		timlfs;
190 	u16		cpt1_lfs;
191 	u8		cgx_lmac;
192 
193 	/* Block LF's MSIX vector info */
194 	struct rsrc_bmap msix;      /* Bitmap for MSIX vector alloc */
195 #define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF))
196 	u16		 *msix_lfmap; /* Vector to block LF mapping */
197 
198 	/* NPA contexts */
199 	struct qmem	*aura_ctx;
200 	struct qmem	*pool_ctx;
201 	struct qmem	*npa_qints_ctx;
202 	unsigned long	*aura_bmap;
203 	unsigned long	*pool_bmap;
204 
205 	/* NIX contexts */
206 	struct qmem	*rq_ctx;
207 	struct qmem	*sq_ctx;
208 	struct qmem	*cq_ctx;
209 	struct qmem	*rss_ctx;
210 	struct qmem	*cq_ints_ctx;
211 	struct qmem	*nix_qints_ctx;
212 	unsigned long	*sq_bmap;
213 	unsigned long	*rq_bmap;
214 	unsigned long	*cq_bmap;
215 
216 	u16		rx_chan_base;
217 	u16		tx_chan_base;
218 	u8              rx_chan_cnt; /* total number of RX channels */
219 	u8              tx_chan_cnt; /* total number of TX channels */
220 	u16		maxlen;
221 	u16		minlen;
222 
223 	u8		mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */
224 	u8		default_mac[ETH_ALEN]; /* MAC address from FWdata */
225 
226 	/* Broadcast/Multicast/Promisc pkt replication info */
227 	u16			bcast_mce_idx;
228 	u16			mcast_mce_idx;
229 	u16			promisc_mce_idx;
230 	struct nix_mce_list	bcast_mce_list;
231 	struct nix_mce_list	mcast_mce_list;
232 	struct nix_mce_list	promisc_mce_list;
233 	bool			use_mce_list;
234 
235 	struct rvu_npc_mcam_rule *def_ucast_rule;
236 
237 	bool	cgx_in_use; /* this PF/VF using CGX? */
238 	int	cgx_users;  /* number of cgx users - used only by PFs */
239 
240 	u8	nix_blkaddr; /* BLKADDR_NIX0/1 assigned to this PF */
241 	u8	nix_rx_intf; /* NIX0_RX/NIX1_RX interface to NPC */
242 	u8	nix_tx_intf; /* NIX0_TX/NIX1_TX interface to NPC */
243 	u8	lbkid;	     /* NIX0/1 lbk link ID */
244 	u64     lmt_base_addr; /* Preseving the pcifunc's lmtst base addr*/
245 	u64     lmt_map_ent_w1; /* Preseving the word1 of lmtst map table entry*/
246 	unsigned long flags;
247 	struct  sdp_node_info *sdp_info;
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 	u64    *tx_credits;
318 };
319 
320 /* RVU block's capabilities or functionality,
321  * which vary by silicon version/skew.
322  */
323 struct hw_cap {
324 	/* Transmit side supported functionality */
325 	u8	nix_tx_aggr_lvl; /* Tx link's traffic aggregation level */
326 	u16	nix_txsch_per_cgx_lmac; /* Max Q's transmitting to CGX LMAC */
327 	u16	nix_txsch_per_lbk_lmac; /* Max Q's transmitting to LBK LMAC */
328 	u16	nix_txsch_per_sdp_lmac; /* Max Q's transmitting to SDP LMAC */
329 	bool	nix_fixed_txschq_mapping; /* Schq mapping fixed or flexible */
330 	bool	nix_shaping;		 /* Is shaping and coloring supported */
331 	bool    nix_shaper_toggle_wait; /* Shaping toggle needs poll/wait */
332 	bool	nix_tx_link_bp;		 /* Can link backpressure TL queues ? */
333 	bool	nix_rx_multicast;	 /* Rx packet replication support */
334 	bool	nix_common_dwrr_mtu;	 /* Common DWRR MTU for quantum config */
335 	bool	per_pf_mbox_regs; /* PF mbox specified in per PF registers ? */
336 	bool	programmable_chans; /* Channels programmable ? */
337 	bool	ipolicer;
338 };
339 
340 struct rvu_hwinfo {
341 	u8	total_pfs;   /* MAX RVU PFs HW supports */
342 	u16	total_vfs;   /* Max RVU VFs HW supports */
343 	u16	max_vfs_per_pf; /* Max VFs that can be attached to a PF */
344 	u8	cgx;
345 	u8	lmac_per_cgx;
346 	u16	cgx_chan_base;	/* CGX base channel number */
347 	u16	lbk_chan_base;	/* LBK base channel number */
348 	u16	sdp_chan_base;	/* SDP base channel number */
349 	u16	cpt_chan_base;	/* CPT base channel number */
350 	u8	cgx_links;
351 	u8	lbk_links;
352 	u8	sdp_links;
353 	u8	cpt_links;	/* Number of CPT links */
354 	u8	npc_kpus;          /* No of parser units */
355 	u8	npc_pkinds;        /* No of port kinds */
356 	u8	npc_intfs;         /* No of interfaces */
357 	u8	npc_kpu_entries;   /* No of KPU entries */
358 	u16	npc_counters;	   /* No of match stats counters */
359 	u32	lbk_bufsize;	   /* FIFO size supported by LBK */
360 	bool	npc_ext_set;	   /* Extended register set */
361 	u64     npc_stat_ena;      /* Match stats enable bit */
362 
363 	struct hw_cap    cap;
364 	struct rvu_block block[BLK_COUNT]; /* Block info */
365 	struct nix_hw    *nix;
366 	struct rvu	 *rvu;
367 	struct npc_pkind pkind;
368 	struct npc_mcam  mcam;
369 };
370 
371 struct mbox_wq_info {
372 	struct otx2_mbox mbox;
373 	struct rvu_work *mbox_wrk;
374 
375 	struct otx2_mbox mbox_up;
376 	struct rvu_work *mbox_wrk_up;
377 
378 	struct workqueue_struct *mbox_wq;
379 };
380 
381 struct rvu_fwdata {
382 #define RVU_FWDATA_HEADER_MAGIC	0xCFDA	/* Custom Firmware Data*/
383 #define RVU_FWDATA_VERSION	0x0001
384 	u32 header_magic;
385 	u32 version;		/* version id */
386 
387 	/* MAC address */
388 #define PF_MACNUM_MAX	32
389 #define VF_MACNUM_MAX	256
390 	u64 pf_macs[PF_MACNUM_MAX];
391 	u64 vf_macs[VF_MACNUM_MAX];
392 	u64 sclk;
393 	u64 rclk;
394 	u64 mcam_addr;
395 	u64 mcam_sz;
396 	u64 msixtr_base;
397 #define FWDATA_RESERVED_MEM 1023
398 	u64 reserved[FWDATA_RESERVED_MEM];
399 #define CGX_MAX         5
400 #define CGX_LMACS_MAX   4
401 	struct cgx_lmac_fwdata_s cgx_fw_data[CGX_MAX][CGX_LMACS_MAX];
402 	/* Do not add new fields below this line */
403 };
404 
405 struct ptp;
406 
407 /* KPU profile adapter structure gathering all KPU configuration data and abstracting out the
408  * source where it came from.
409  */
410 struct npc_kpu_profile_adapter {
411 	const char			*name;
412 	u64				version;
413 	const struct npc_lt_def_cfg	*lt_def;
414 	const struct npc_kpu_profile_action	*ikpu; /* array[pkinds] */
415 	const struct npc_kpu_profile	*kpu; /* array[kpus] */
416 	struct npc_mcam_kex		*mkex;
417 	bool				custom;
418 	size_t				pkinds;
419 	size_t				kpus;
420 };
421 
422 #define RVU_SWITCH_LBK_CHAN	63
423 
424 struct rvu_switch {
425 	struct mutex switch_lock; /* Serialize flow installation */
426 	u32 used_entries;
427 	u16 *entry2pcifunc;
428 	u16 mode;
429 	u16 start_entry;
430 };
431 
432 struct rvu {
433 	void __iomem		*afreg_base;
434 	void __iomem		*pfreg_base;
435 	struct pci_dev		*pdev;
436 	struct device		*dev;
437 	struct rvu_hwinfo       *hw;
438 	struct rvu_pfvf		*pf;
439 	struct rvu_pfvf		*hwvf;
440 	struct mutex		rsrc_lock; /* Serialize resource alloc/free */
441 	int			vfs; /* Number of VFs attached to RVU */
442 	int			nix_blkaddr[MAX_NIX_BLKS];
443 
444 	/* Mbox */
445 	struct mbox_wq_info	afpf_wq_info;
446 	struct mbox_wq_info	afvf_wq_info;
447 
448 	/* PF FLR */
449 	struct rvu_work		*flr_wrk;
450 	struct workqueue_struct *flr_wq;
451 	struct mutex		flr_lock; /* Serialize FLRs */
452 
453 	/* MSI-X */
454 	u16			num_vec;
455 	char			*irq_name;
456 	bool			*irq_allocated;
457 	dma_addr_t		msix_base_iova;
458 	u64			msixtr_base_phy; /* Register reset value */
459 
460 	/* CGX */
461 #define PF_CGXMAP_BASE		1 /* PF 0 is reserved for RVU PF */
462 	u16			cgx_mapped_vfs; /* maximum CGX mapped VFs */
463 	u8			cgx_mapped_pfs;
464 	u8			cgx_cnt_max;	 /* CGX port count max */
465 	u8			*pf2cgxlmac_map; /* pf to cgx_lmac map */
466 	u16			*cgxlmac2pf_map; /* bitmap of mapped pfs for
467 						  * every cgx lmac port
468 						  */
469 	unsigned long		pf_notify_bmap; /* Flags for PF notification */
470 	void			**cgx_idmap; /* cgx id to cgx data map table */
471 	struct			work_struct cgx_evh_work;
472 	struct			workqueue_struct *cgx_evh_wq;
473 	spinlock_t		cgx_evq_lock; /* cgx event queue lock */
474 	struct list_head	cgx_evq_head; /* cgx event queue head */
475 	struct mutex		cgx_cfg_lock; /* serialize cgx configuration */
476 
477 	char mkex_pfl_name[MKEX_NAME_LEN]; /* Configured MKEX profile name */
478 	char kpu_pfl_name[KPU_NAME_LEN]; /* Configured KPU profile name */
479 
480 	/* Firmware data */
481 	struct rvu_fwdata	*fwdata;
482 	void			*kpu_fwdata;
483 	size_t			kpu_fwdata_sz;
484 	void __iomem		*kpu_prfl_addr;
485 
486 	/* NPC KPU data */
487 	struct npc_kpu_profile_adapter kpu;
488 
489 	struct ptp		*ptp;
490 
491 #ifdef CONFIG_DEBUG_FS
492 	struct rvu_debugfs	rvu_dbg;
493 #endif
494 	struct rvu_devlink	*rvu_dl;
495 
496 	/* RVU switch implementation over NPC with DMAC rules */
497 	struct rvu_switch	rswitch;
498 };
499 
rvu_write64(struct rvu * rvu,u64 block,u64 offset,u64 val)500 static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
501 {
502 	writeq(val, rvu->afreg_base + ((block << 28) | offset));
503 }
504 
rvu_read64(struct rvu * rvu,u64 block,u64 offset)505 static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset)
506 {
507 	return readq(rvu->afreg_base + ((block << 28) | offset));
508 }
509 
rvupf_write64(struct rvu * rvu,u64 offset,u64 val)510 static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val)
511 {
512 	writeq(val, rvu->pfreg_base + offset);
513 }
514 
rvupf_read64(struct rvu * rvu,u64 offset)515 static inline u64 rvupf_read64(struct rvu *rvu, u64 offset)
516 {
517 	return readq(rvu->pfreg_base + offset);
518 }
519 
520 /* Silicon revisions */
is_rvu_pre_96xx_C0(struct rvu * rvu)521 static inline bool is_rvu_pre_96xx_C0(struct rvu *rvu)
522 {
523 	struct pci_dev *pdev = rvu->pdev;
524 	/* 96XX A0/B0, 95XX A0/A1/B0 chips */
525 	return ((pdev->revision == 0x00) || (pdev->revision == 0x01) ||
526 		(pdev->revision == 0x10) || (pdev->revision == 0x11) ||
527 		(pdev->revision == 0x14));
528 }
529 
is_rvu_96xx_A0(struct rvu * rvu)530 static inline bool is_rvu_96xx_A0(struct rvu *rvu)
531 {
532 	struct pci_dev *pdev = rvu->pdev;
533 
534 	return (pdev->revision == 0x00);
535 }
536 
is_rvu_96xx_B0(struct rvu * rvu)537 static inline bool is_rvu_96xx_B0(struct rvu *rvu)
538 {
539 	struct pci_dev *pdev = rvu->pdev;
540 
541 	return (pdev->revision == 0x00) || (pdev->revision == 0x01);
542 }
543 
is_rvu_95xx_A0(struct rvu * rvu)544 static inline bool is_rvu_95xx_A0(struct rvu *rvu)
545 {
546 	struct pci_dev *pdev = rvu->pdev;
547 
548 	return (pdev->revision == 0x10) || (pdev->revision == 0x11);
549 }
550 
551 /* REVID for PCIe devices.
552  * Bits 0..1: minor pass, bit 3..2: major pass
553  * bits 7..4: midr id
554  */
555 #define PCI_REVISION_ID_96XX		0x00
556 #define PCI_REVISION_ID_95XX		0x10
557 #define PCI_REVISION_ID_95XXN		0x20
558 #define PCI_REVISION_ID_98XX		0x30
559 #define PCI_REVISION_ID_95XXMM		0x40
560 #define PCI_REVISION_ID_95XXO		0xE0
561 
is_rvu_otx2(struct rvu * rvu)562 static inline bool is_rvu_otx2(struct rvu *rvu)
563 {
564 	struct pci_dev *pdev = rvu->pdev;
565 
566 	u8 midr = pdev->revision & 0xF0;
567 
568 	return (midr == PCI_REVISION_ID_96XX || midr == PCI_REVISION_ID_95XX ||
569 		midr == PCI_REVISION_ID_95XXN || midr == PCI_REVISION_ID_98XX ||
570 		midr == PCI_REVISION_ID_95XXMM || midr == PCI_REVISION_ID_95XXO);
571 }
572 
rvu_nix_chan_cgx(struct rvu * rvu,u8 cgxid,u8 lmacid,u8 chan)573 static inline u16 rvu_nix_chan_cgx(struct rvu *rvu, u8 cgxid,
574 				   u8 lmacid, u8 chan)
575 {
576 	u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
577 	u16 cgx_chans = nix_const & 0xFFULL;
578 	struct rvu_hwinfo *hw = rvu->hw;
579 
580 	if (!hw->cap.programmable_chans)
581 		return NIX_CHAN_CGX_LMAC_CHX(cgxid, lmacid, chan);
582 
583 	return rvu->hw->cgx_chan_base +
584 		(cgxid * hw->lmac_per_cgx + lmacid) * cgx_chans + chan;
585 }
586 
rvu_nix_chan_lbk(struct rvu * rvu,u8 lbkid,u8 chan)587 static inline u16 rvu_nix_chan_lbk(struct rvu *rvu, u8 lbkid,
588 				   u8 chan)
589 {
590 	u64 nix_const = rvu_read64(rvu, BLKADDR_NIX0, NIX_AF_CONST);
591 	u16 lbk_chans = (nix_const >> 16) & 0xFFULL;
592 	struct rvu_hwinfo *hw = rvu->hw;
593 
594 	if (!hw->cap.programmable_chans)
595 		return NIX_CHAN_LBK_CHX(lbkid, chan);
596 
597 	return rvu->hw->lbk_chan_base + lbkid * lbk_chans + chan;
598 }
599 
rvu_nix_chan_sdp(struct rvu * rvu,u8 chan)600 static inline u16 rvu_nix_chan_sdp(struct rvu *rvu, u8 chan)
601 {
602 	struct rvu_hwinfo *hw = rvu->hw;
603 
604 	if (!hw->cap.programmable_chans)
605 		return NIX_CHAN_SDP_CHX(chan);
606 
607 	return hw->sdp_chan_base + chan;
608 }
609 
rvu_nix_chan_cpt(struct rvu * rvu,u8 chan)610 static inline u16 rvu_nix_chan_cpt(struct rvu *rvu, u8 chan)
611 {
612 	return rvu->hw->cpt_chan_base + chan;
613 }
614 
615 /* Function Prototypes
616  * RVU
617  */
is_afvf(u16 pcifunc)618 static inline bool is_afvf(u16 pcifunc)
619 {
620 	return !(pcifunc & ~RVU_PFVF_FUNC_MASK);
621 }
622 
is_vf(u16 pcifunc)623 static inline bool is_vf(u16 pcifunc)
624 {
625 	return !!(pcifunc & RVU_PFVF_FUNC_MASK);
626 }
627 
628 /* check if PF_FUNC is AF */
is_pffunc_af(u16 pcifunc)629 static inline bool is_pffunc_af(u16 pcifunc)
630 {
631 	return !pcifunc;
632 }
633 
is_rvu_fwdata_valid(struct rvu * rvu)634 static inline bool is_rvu_fwdata_valid(struct rvu *rvu)
635 {
636 	return (rvu->fwdata->header_magic == RVU_FWDATA_HEADER_MAGIC) &&
637 		(rvu->fwdata->version == RVU_FWDATA_VERSION);
638 }
639 
640 int rvu_alloc_bitmap(struct rsrc_bmap *rsrc);
641 void rvu_free_bitmap(struct rsrc_bmap *rsrc);
642 int rvu_alloc_rsrc(struct rsrc_bmap *rsrc);
643 void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id);
644 bool is_rsrc_free(struct rsrc_bmap *rsrc, int id);
645 int rvu_rsrc_free_count(struct rsrc_bmap *rsrc);
646 int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc);
647 bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc);
648 u16 rvu_get_rsrc_mapcount(struct rvu_pfvf *pfvf, int blkaddr);
649 int rvu_get_pf(u16 pcifunc);
650 struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc);
651 void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf);
652 bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr);
653 bool is_pffunc_map_valid(struct rvu *rvu, u16 pcifunc, int blktype);
654 int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot);
655 int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf);
656 int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc);
657 int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero);
658 int rvu_get_num_lbk_chans(void);
659 
660 /* RVU HW reg validation */
661 enum regmap_block {
662 	TXSCHQ_HWREGMAP = 0,
663 	MAX_HWREGMAP,
664 };
665 
666 bool rvu_check_valid_reg(int regmap, int regblk, u64 reg);
667 
668 /* NPA/NIX AQ APIs */
669 int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue,
670 		 int qsize, int inst_size, int res_size);
671 void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq);
672 
673 /* SDP APIs */
674 int rvu_sdp_init(struct rvu *rvu);
675 bool is_sdp_pfvf(u16 pcifunc);
676 bool is_sdp_pf(u16 pcifunc);
677 bool is_sdp_vf(u16 pcifunc);
678 
679 /* CGX APIs */
is_pf_cgxmapped(struct rvu * rvu,u8 pf)680 static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf)
681 {
682 	return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs) &&
683 		!is_sdp_pf(pf << RVU_PFVF_PF_SHIFT);
684 }
685 
rvu_get_cgx_lmac_id(u8 map,u8 * cgx_id,u8 * lmac_id)686 static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id)
687 {
688 	*cgx_id = (map >> 4) & 0xF;
689 	*lmac_id = (map & 0xF);
690 }
691 
is_cgx_vf(struct rvu * rvu,u16 pcifunc)692 static inline bool is_cgx_vf(struct rvu *rvu, u16 pcifunc)
693 {
694 	return ((pcifunc & RVU_PFVF_FUNC_MASK) &&
695 		is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc)));
696 }
697 
698 #define M(_name, _id, fn_name, req, rsp)				\
699 int rvu_mbox_handler_ ## fn_name(struct rvu *, struct req *, struct rsp *);
700 MBOX_MESSAGES
701 #undef M
702 
703 int rvu_cgx_init(struct rvu *rvu);
704 int rvu_cgx_exit(struct rvu *rvu);
705 void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu);
706 int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start);
707 void rvu_cgx_enadis_rx_bp(struct rvu *rvu, int pf, bool enable);
708 int rvu_cgx_start_stop_io(struct rvu *rvu, u16 pcifunc, bool start);
709 int rvu_cgx_nix_cuml_stats(struct rvu *rvu, void *cgxd, int lmac_id, int index,
710 			   int rxtxflag, u64 *stat);
711 void rvu_cgx_disable_dmac_entries(struct rvu *rvu, u16 pcifunc);
712 
713 /* NPA APIs */
714 int rvu_npa_init(struct rvu *rvu);
715 void rvu_npa_freemem(struct rvu *rvu);
716 void rvu_npa_lf_teardown(struct rvu *rvu, u16 pcifunc, int npalf);
717 int rvu_npa_aq_enq_inst(struct rvu *rvu, struct npa_aq_enq_req *req,
718 			struct npa_aq_enq_rsp *rsp);
719 
720 /* NIX APIs */
721 bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc);
722 int rvu_nix_init(struct rvu *rvu);
723 int rvu_nix_reserve_mark_format(struct rvu *rvu, struct nix_hw *nix_hw,
724 				int blkaddr, u32 cfg);
725 void rvu_nix_freemem(struct rvu *rvu);
726 int rvu_get_nixlf_count(struct rvu *rvu);
727 void rvu_nix_lf_teardown(struct rvu *rvu, u16 pcifunc, int blkaddr, int npalf);
728 int nix_get_nixlf(struct rvu *rvu, u16 pcifunc, int *nixlf, int *nix_blkaddr);
729 int nix_update_mce_list(struct rvu *rvu, u16 pcifunc,
730 			struct nix_mce_list *mce_list,
731 			int mce_idx, int mcam_index, bool add);
732 void nix_get_mce_list(struct rvu *rvu, u16 pcifunc, int type,
733 		      struct nix_mce_list **mce_list, int *mce_idx);
734 struct nix_hw *get_nix_hw(struct rvu_hwinfo *hw, int blkaddr);
735 int rvu_get_next_nix_blkaddr(struct rvu *rvu, int blkaddr);
736 void rvu_nix_reset_mac(struct rvu_pfvf *pfvf, int pcifunc);
737 int nix_get_struct_ptrs(struct rvu *rvu, u16 pcifunc,
738 			struct nix_hw **nix_hw, int *blkaddr);
739 int rvu_nix_setup_ratelimit_aggr(struct rvu *rvu, u16 pcifunc,
740 				 u16 rq_idx, u16 match_id);
741 int nix_aq_context_read(struct rvu *rvu, struct nix_hw *nix_hw,
742 			struct nix_cn10k_aq_enq_req *aq_req,
743 			struct nix_cn10k_aq_enq_rsp *aq_rsp,
744 			u16 pcifunc, u8 ctype, u32 qidx);
745 int rvu_get_nix_blkaddr(struct rvu *rvu, u16 pcifunc);
746 u32 convert_dwrr_mtu_to_bytes(u8 dwrr_mtu);
747 u32 convert_bytes_to_dwrr_mtu(u32 bytes);
748 
749 /* NPC APIs */
750 int rvu_npc_init(struct rvu *rvu);
751 void rvu_npc_freemem(struct rvu *rvu);
752 int rvu_npc_get_pkind(struct rvu *rvu, u16 pf);
753 void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf);
754 int npc_config_ts_kpuaction(struct rvu *rvu, int pf, u16 pcifunc, bool en);
755 void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
756 				 int nixlf, u64 chan, u8 *mac_addr);
757 void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
758 				   int nixlf, u64 chan, u8 chan_cnt);
759 void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
760 				  bool enable);
761 void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
762 				       int nixlf, u64 chan);
763 void rvu_npc_enable_bcast_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
764 				bool enable);
765 void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
766 				    u64 chan);
767 void rvu_npc_enable_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf,
768 				   bool enable);
769 void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc,
770 				  int nixlf, int type, bool enable);
771 void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
772 void rvu_npc_free_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
773 void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
774 void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
775 void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf,
776 				    int group, int alg_idx, int mcam_index);
777 void rvu_npc_get_mcam_entry_alloc_info(struct rvu *rvu, u16 pcifunc,
778 				       int blkaddr, int *alloc_cnt,
779 				       int *enable_cnt);
780 void rvu_npc_get_mcam_counter_alloc_info(struct rvu *rvu, u16 pcifunc,
781 					 int blkaddr, int *alloc_cnt,
782 					 int *enable_cnt);
783 bool is_npc_intf_tx(u8 intf);
784 bool is_npc_intf_rx(u8 intf);
785 bool is_npc_interface_valid(struct rvu *rvu, u8 intf);
786 int rvu_npc_get_tx_nibble_cfg(struct rvu *rvu, u64 nibble_ena);
787 int npc_flow_steering_init(struct rvu *rvu, int blkaddr);
788 const char *npc_get_field_name(u8 hdr);
789 int npc_get_bank(struct npc_mcam *mcam, int index);
790 void npc_mcam_enable_flows(struct rvu *rvu, u16 target);
791 void npc_mcam_disable_flows(struct rvu *rvu, u16 target);
792 void npc_enable_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
793 			   int blkaddr, int index, bool enable);
794 void npc_read_mcam_entry(struct rvu *rvu, struct npc_mcam *mcam,
795 			 int blkaddr, u16 src, struct mcam_entry *entry,
796 			 u8 *intf, u8 *ena);
797 bool is_mac_feature_supported(struct rvu *rvu, int pf, int feature);
798 u32  rvu_cgx_get_fifolen(struct rvu *rvu);
799 void *rvu_first_cgx_pdata(struct rvu *rvu);
800 int cgxlmac_to_pf(struct rvu *rvu, int cgx_id, int lmac_id);
801 
802 int npc_get_nixlf_mcam_index(struct npc_mcam *mcam, u16 pcifunc, int nixlf,
803 			     int type);
804 bool is_mcam_entry_enabled(struct rvu *rvu, struct npc_mcam *mcam, int blkaddr,
805 			   int index);
806 
807 /* CPT APIs */
808 int rvu_cpt_lf_teardown(struct rvu *rvu, u16 pcifunc, int lf, int slot);
809 
810 /* CN10K RVU */
811 int rvu_set_channels_base(struct rvu *rvu);
812 void rvu_program_channels(struct rvu *rvu);
813 
814 /* CN10K RVU - LMT*/
815 void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc);
816 
817 #ifdef CONFIG_DEBUG_FS
818 void rvu_dbg_init(struct rvu *rvu);
819 void rvu_dbg_exit(struct rvu *rvu);
820 #else
rvu_dbg_init(struct rvu * rvu)821 static inline void rvu_dbg_init(struct rvu *rvu) {}
rvu_dbg_exit(struct rvu * rvu)822 static inline void rvu_dbg_exit(struct rvu *rvu) {}
823 #endif
824 
825 /* RVU Switch */
826 void rvu_switch_enable(struct rvu *rvu);
827 void rvu_switch_disable(struct rvu *rvu);
828 void rvu_switch_update_rules(struct rvu *rvu, u16 pcifunc);
829 
830 #endif /* RVU_H */
831