summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/marvell/octeontx2/af/rvu.h
blob: 9727164dfbfcf9fe09d3670e7a46eefb8f175adb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
/* SPDX-License-Identifier: GPL-2.0
 * Marvell OcteonTx2 RVU Admin Function driver
 *
 * Copyright (C) 2018 Marvell International Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef RVU_H
#define RVU_H

#include "rvu_struct.h"
#include "common.h"
#include "mbox.h"

/* PCI device IDs */
#define	PCI_DEVID_OCTEONTX2_RVU_AF		0xA065

/* PCI BAR nos */
#define	PCI_AF_REG_BAR_NUM			0
#define	PCI_PF_REG_BAR_NUM			2
#define	PCI_MBOX_BAR_NUM			4

#define NAME_SIZE				32

/* PF_FUNC */
#define RVU_PFVF_PF_SHIFT	10
#define RVU_PFVF_PF_MASK	0x3F
#define RVU_PFVF_FUNC_SHIFT	0
#define RVU_PFVF_FUNC_MASK	0x3FF

struct rvu_work {
	struct	work_struct work;
	struct	rvu *rvu;
};

struct rsrc_bmap {
	unsigned long *bmap;	/* Pointer to resource bitmap */
	u16  max;		/* Max resource id or count */
};

struct rvu_block {
	struct rsrc_bmap	lf;
	struct admin_queue	*aq; /* NIX/NPA AQ */
	u16  *fn_map; /* LF to pcifunc mapping */
	bool multislot;
	bool implemented;
	u8   addr;  /* RVU_BLOCK_ADDR_E */
	u8   type;  /* RVU_BLOCK_TYPE_E */
	u8   lfshift;
	u64  lookup_reg;
	u64  pf_lfcnt_reg;
	u64  vf_lfcnt_reg;
	u64  lfcfg_reg;
	u64  msixcfg_reg;
	u64  lfreset_reg;
	unsigned char name[NAME_SIZE];
};

struct nix_mcast {
	struct qmem	*mce_ctx;
	struct qmem	*mcast_buf;
	int		replay_pkind;
	int		next_free_mce;
	struct mutex	mce_lock; /* Serialize MCE updates */
};

struct nix_mce_list {
	struct hlist_head	head;
	int			count;
	int			max;
};

struct npc_mcam {
	struct rsrc_bmap counters;
	struct mutex	lock;	/* MCAM entries and counters update lock */
	unsigned long	*bmap;		/* bitmap, 0 => bmap_entries */
	unsigned long	*bmap_reverse;	/* Reverse bitmap, bmap_entries => 0 */
	u16	bmap_entries;	/* Number of unreserved MCAM entries */
	u16	bmap_fcnt;	/* MCAM entries free count */
	u16	*entry2pfvf_map;
	u16	*entry2cntr_map;
	u16	*cntr2pfvf_map;
	u16	*cntr_refcnt;
	u8	keysize;	/* MCAM keysize 112/224/448 bits */
	u8	banks;		/* Number of MCAM banks */
	u8	banks_per_entry;/* Number of keywords in key */
	u16	banksize;	/* Number of MCAM entries in each bank */
	u16	total_entries;	/* Total number of MCAM entries */
	u16	nixlf_offset;	/* Offset of nixlf rsvd uncast entries */
	u16	pf_offset;	/* Offset of PF's rsvd bcast, promisc entries */
	u16	lprio_count;
	u16	lprio_start;
	u16	hprio_count;
	u16	hprio_end;
};

/* Structure for per RVU func info ie PF/VF */
struct rvu_pfvf {
	bool		npalf; /* Only one NPALF per RVU_FUNC */
	bool		nixlf; /* Only one NIXLF per RVU_FUNC */
	u16		sso;
	u16		ssow;
	u16		cptlfs;
	u16		timlfs;
	u8		cgx_lmac;

	/* Block LF's MSIX vector info */
	struct rsrc_bmap msix;      /* Bitmap for MSIX vector alloc */
#define MSIX_BLKLF(blkaddr, lf) (((blkaddr) << 8) | ((lf) & 0xFF))
	u16		 *msix_lfmap; /* Vector to block LF mapping */

	/* NPA contexts */
	struct qmem	*aura_ctx;
	struct qmem	*pool_ctx;
	struct qmem	*npa_qints_ctx;
	unsigned long	*aura_bmap;
	unsigned long	*pool_bmap;

	/* NIX contexts */
	struct qmem	*rq_ctx;
	struct qmem	*sq_ctx;
	struct qmem	*cq_ctx;
	struct qmem	*rss_ctx;
	struct qmem	*cq_ints_ctx;
	struct qmem	*nix_qints_ctx;
	unsigned long	*sq_bmap;
	unsigned long	*rq_bmap;
	unsigned long	*cq_bmap;

	u16		rx_chan_base;
	u16		tx_chan_base;
	u8              rx_chan_cnt; /* total number of RX channels */
	u8              tx_chan_cnt; /* total number of TX channels */
	u16		maxlen;
	u16		minlen;

	u8		mac_addr[ETH_ALEN]; /* MAC address of this PF/VF */

	/* Broadcast pkt replication info */
	u16			bcast_mce_idx;
	struct nix_mce_list	bcast_mce_list;

	/* VLAN offload */
	struct mcam_entry entry;
	int rxvlan_index;
	bool rxvlan;
};

struct nix_txsch {
	struct rsrc_bmap schq;
	u8   lvl;
	u16  *pfvf_map;
};

struct npc_pkind {
	struct rsrc_bmap rsrc;
	u32	*pfchan_map;
};

struct nix_hw {
	struct nix_txsch txsch[NIX_TXSCH_LVL_CNT]; /* Tx schedulers */
	struct nix_mcast mcast;
};

struct rvu_hwinfo {
	u8	total_pfs;   /* MAX RVU PFs HW supports */
	u16	total_vfs;   /* Max RVU VFs HW supports */
	u16	max_vfs_per_pf; /* Max VFs that can be attached to a PF */
	u8	cgx;
	u8	lmac_per_cgx;
	u8	cgx_links;
	u8	lbk_links;
	u8	sdp_links;
	u8	npc_kpus;          /* No of parser units */


	struct rvu_block block[BLK_COUNT]; /* Block info */
	struct nix_hw    *nix0;
	struct npc_pkind pkind;
	struct npc_mcam  mcam;
};

struct rvu {
	void __iomem		*afreg_base;
	void __iomem		*pfreg_base;
	struct pci_dev		*pdev;
	struct device		*dev;
	struct rvu_hwinfo       *hw;
	struct rvu_pfvf		*pf;
	struct rvu_pfvf		*hwvf;
	struct mutex            rsrc_lock; /* Serialize resource alloc/free */

	/* Mbox */
	struct otx2_mbox	mbox;
	struct rvu_work		*mbox_wrk;
	struct otx2_mbox        mbox_up;
	struct rvu_work		*mbox_wrk_up;
	struct workqueue_struct *mbox_wq;

	/* MSI-X */
	u16			num_vec;
	char			*irq_name;
	bool			*irq_allocated;
	dma_addr_t		msix_base_iova;

	/* CGX */
#define PF_CGXMAP_BASE		1 /* PF 0 is reserved for RVU PF */
	u8			cgx_mapped_pfs;
	u8			cgx_cnt; /* available cgx ports */
	u8			*pf2cgxlmac_map; /* pf to cgx_lmac map */
	u16			*cgxlmac2pf_map; /* bitmap of mapped pfs for
						  * every cgx lmac port
						  */
	unsigned long		pf_notify_bmap; /* Flags for PF notification */
	void			**cgx_idmap; /* cgx id to cgx data map table */
	struct			work_struct cgx_evh_work;
	struct			workqueue_struct *cgx_evh_wq;
	spinlock_t		cgx_evq_lock; /* cgx event queue lock */
	struct list_head	cgx_evq_head; /* cgx event queue head */
};

static inline void rvu_write64(struct rvu *rvu, u64 block, u64 offset, u64 val)
{
	writeq(val, rvu->afreg_base + ((block << 28) | offset));
}

static inline u64 rvu_read64(struct rvu *rvu, u64 block, u64 offset)
{
	return readq(rvu->afreg_base + ((block << 28) | offset));
}

static inline void rvupf_write64(struct rvu *rvu, u64 offset, u64 val)
{
	writeq(val, rvu->pfreg_base + offset);
}

static inline u64 rvupf_read64(struct rvu *rvu, u64 offset)
{
	return readq(rvu->pfreg_base + offset);
}

/* Function Prototypes
 * RVU
 */
int rvu_alloc_bitmap(struct rsrc_bmap *rsrc);
int rvu_alloc_rsrc(struct rsrc_bmap *rsrc);
void rvu_free_rsrc(struct rsrc_bmap *rsrc, int id);
int rvu_rsrc_free_count(struct rsrc_bmap *rsrc);
int rvu_alloc_rsrc_contig(struct rsrc_bmap *rsrc, int nrsrc);
bool rvu_rsrc_check_contig(struct rsrc_bmap *rsrc, int nrsrc);
int rvu_get_pf(u16 pcifunc);
struct rvu_pfvf *rvu_get_pfvf(struct rvu *rvu, int pcifunc);
void rvu_get_pf_numvfs(struct rvu *rvu, int pf, int *numvfs, int *hwvf);
bool is_block_implemented(struct rvu_hwinfo *hw, int blkaddr);
int rvu_get_lf(struct rvu *rvu, struct rvu_block *block, u16 pcifunc, u16 slot);
int rvu_lf_reset(struct rvu *rvu, struct rvu_block *block, int lf);
int rvu_get_blkaddr(struct rvu *rvu, int blktype, u16 pcifunc);
int rvu_poll_reg(struct rvu *rvu, u64 block, u64 offset, u64 mask, bool zero);

/* RVU HW reg validation */
enum regmap_block {
	TXSCHQ_HWREGMAP = 0,
	MAX_HWREGMAP,
};

bool rvu_check_valid_reg(int regmap, int regblk, u64 reg);

/* NPA/NIX AQ APIs */
int rvu_aq_alloc(struct rvu *rvu, struct admin_queue **ad_queue,
		 int qsize, int inst_size, int res_size);
void rvu_aq_free(struct rvu *rvu, struct admin_queue *aq);

/* CGX APIs */
static inline bool is_pf_cgxmapped(struct rvu *rvu, u8 pf)
{
	return (pf >= PF_CGXMAP_BASE && pf <= rvu->cgx_mapped_pfs);
}

static inline void rvu_get_cgx_lmac_id(u8 map, u8 *cgx_id, u8 *lmac_id)
{
	*cgx_id = (map >> 4) & 0xF;
	*lmac_id = (map & 0xF);
}

int rvu_cgx_probe(struct rvu *rvu);
void rvu_cgx_wq_destroy(struct rvu *rvu);
void *rvu_cgx_pdata(u8 cgx_id, struct rvu *rvu);
int rvu_cgx_config_rxtx(struct rvu *rvu, u16 pcifunc, bool start);
int rvu_mbox_handler_cgx_start_rxtx(struct rvu *rvu, struct msg_req *req,
				    struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stop_rxtx(struct rvu *rvu, struct msg_req *req,
				   struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stats(struct rvu *rvu, struct msg_req *req,
			       struct cgx_stats_rsp *rsp);
int rvu_mbox_handler_cgx_mac_addr_set(struct rvu *rvu,
				      struct cgx_mac_addr_set_or_get *req,
				      struct cgx_mac_addr_set_or_get *rsp);
int rvu_mbox_handler_cgx_mac_addr_get(struct rvu *rvu,
				      struct cgx_mac_addr_set_or_get *req,
				      struct cgx_mac_addr_set_or_get *rsp);
int rvu_mbox_handler_cgx_promisc_enable(struct rvu *rvu, struct msg_req *req,
					struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_promisc_disable(struct rvu *rvu, struct msg_req *req,
					 struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_start_linkevents(struct rvu *rvu, struct msg_req *req,
					  struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_stop_linkevents(struct rvu *rvu, struct msg_req *req,
					 struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_get_linkinfo(struct rvu *rvu, struct msg_req *req,
				      struct cgx_link_info_msg *rsp);
int rvu_mbox_handler_cgx_intlbk_enable(struct rvu *rvu, struct msg_req *req,
				       struct msg_rsp *rsp);
int rvu_mbox_handler_cgx_intlbk_disable(struct rvu *rvu, struct msg_req *req,
					struct msg_rsp *rsp);

/* NPA APIs */
int rvu_npa_init(struct rvu *rvu);
void rvu_npa_freemem(struct rvu *rvu);
int rvu_mbox_handler_npa_aq_enq(struct rvu *rvu,
				struct npa_aq_enq_req *req,
				struct npa_aq_enq_rsp *rsp);
int rvu_mbox_handler_npa_hwctx_disable(struct rvu *rvu,
				       struct hwctx_disable_req *req,
				       struct msg_rsp *rsp);
int rvu_mbox_handler_npa_lf_alloc(struct rvu *rvu,
				  struct npa_lf_alloc_req *req,
				  struct npa_lf_alloc_rsp *rsp);
int rvu_mbox_handler_npa_lf_free(struct rvu *rvu, struct msg_req *req,
				 struct msg_rsp *rsp);

/* NIX APIs */
bool is_nixlf_attached(struct rvu *rvu, u16 pcifunc);
int rvu_nix_init(struct rvu *rvu);
void rvu_nix_freemem(struct rvu *rvu);
int rvu_get_nixlf_count(struct rvu *rvu);
int rvu_mbox_handler_nix_lf_alloc(struct rvu *rvu,
				  struct nix_lf_alloc_req *req,
				  struct nix_lf_alloc_rsp *rsp);
int rvu_mbox_handler_nix_lf_free(struct rvu *rvu, struct msg_req *req,
				 struct msg_rsp *rsp);
int rvu_mbox_handler_nix_aq_enq(struct rvu *rvu,
				struct nix_aq_enq_req *req,
				struct nix_aq_enq_rsp *rsp);
int rvu_mbox_handler_nix_hwctx_disable(struct rvu *rvu,
				       struct hwctx_disable_req *req,
				       struct msg_rsp *rsp);
int rvu_mbox_handler_nix_txsch_alloc(struct rvu *rvu,
				     struct nix_txsch_alloc_req *req,
				     struct nix_txsch_alloc_rsp *rsp);
int rvu_mbox_handler_nix_txsch_free(struct rvu *rvu,
				    struct nix_txsch_free_req *req,
				    struct msg_rsp *rsp);
int rvu_mbox_handler_nix_txschq_cfg(struct rvu *rvu,
				    struct nix_txschq_config *req,
				    struct msg_rsp *rsp);
int rvu_mbox_handler_nix_stats_rst(struct rvu *rvu, struct msg_req *req,
				   struct msg_rsp *rsp);
int rvu_mbox_handler_nix_vtag_cfg(struct rvu *rvu,
				  struct nix_vtag_config *req,
				  struct msg_rsp *rsp);
int rvu_mbox_handler_nix_rxvlan_alloc(struct rvu *rvu, struct msg_req *req,
				      struct msg_rsp *rsp);
int rvu_mbox_handler_nix_rss_flowkey_cfg(struct rvu *rvu,
					 struct nix_rss_flowkey_cfg *req,
					 struct msg_rsp *rsp);
int rvu_mbox_handler_nix_set_mac_addr(struct rvu *rvu,
				      struct nix_set_mac_addr *req,
				      struct msg_rsp *rsp);
int rvu_mbox_handler_nix_set_rx_mode(struct rvu *rvu, struct nix_rx_mode *req,
				     struct msg_rsp *rsp);
int rvu_mbox_handler_nix_set_hw_frs(struct rvu *rvu, struct nix_frs_cfg *req,
				    struct msg_rsp *rsp);
int rvu_mbox_handler_nix_lf_start_rx(struct rvu *rvu, struct msg_req *req,
				     struct msg_rsp *rsp);
int rvu_mbox_handler_nix_lf_stop_rx(struct rvu *rvu, struct msg_req *req,
				    struct msg_rsp *rsp);

/* NPC APIs */
int rvu_npc_init(struct rvu *rvu);
void rvu_npc_freemem(struct rvu *rvu);
int rvu_npc_get_pkind(struct rvu *rvu, u16 pf);
void rvu_npc_set_pkind(struct rvu *rvu, int pkind, struct rvu_pfvf *pfvf);
void rvu_npc_install_ucast_entry(struct rvu *rvu, u16 pcifunc,
				 int nixlf, u64 chan, u8 *mac_addr);
void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc,
				   int nixlf, u64 chan, bool allmulti);
void rvu_npc_disable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_enable_promisc_entry(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_install_bcast_match_entry(struct rvu *rvu, u16 pcifunc,
				       int nixlf, u64 chan);
int rvu_npc_update_rxvlan(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_disable_mcam_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_disable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_enable_default_entries(struct rvu *rvu, u16 pcifunc, int nixlf);
void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf,
				    int group, int alg_idx, int mcam_index);
int rvu_mbox_handler_npc_mcam_alloc_entry(struct rvu *rvu,
					  struct npc_mcam_alloc_entry_req *req,
					  struct npc_mcam_alloc_entry_rsp *rsp);
int rvu_mbox_handler_npc_mcam_free_entry(struct rvu *rvu,
					 struct npc_mcam_free_entry_req *req,
					 struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_write_entry(struct rvu *rvu,
					  struct npc_mcam_write_entry_req *req,
					  struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_ena_entry(struct rvu *rvu,
					struct npc_mcam_ena_dis_entry_req *req,
					struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_dis_entry(struct rvu *rvu,
					struct npc_mcam_ena_dis_entry_req *req,
					struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_shift_entry(struct rvu *rvu,
					  struct npc_mcam_shift_entry_req *req,
					  struct npc_mcam_shift_entry_rsp *rsp);
int rvu_mbox_handler_npc_mcam_alloc_counter(struct rvu *rvu,
				struct npc_mcam_alloc_counter_req *req,
				struct npc_mcam_alloc_counter_rsp *rsp);
int rvu_mbox_handler_npc_mcam_free_counter(struct rvu *rvu,
		   struct npc_mcam_oper_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_clear_counter(struct rvu *rvu,
		struct npc_mcam_oper_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_unmap_counter(struct rvu *rvu,
		struct npc_mcam_unmap_counter_req *req, struct msg_rsp *rsp);
int rvu_mbox_handler_npc_mcam_counter_stats(struct rvu *rvu,
			struct npc_mcam_oper_counter_req *req,
			struct npc_mcam_oper_counter_rsp *rsp);
int rvu_mbox_handler_npc_mcam_alloc_and_write_entry(struct rvu *rvu,
			  struct npc_mcam_alloc_and_write_entry_req *req,
			  struct npc_mcam_alloc_and_write_entry_rsp *rsp);
int rvu_mbox_handler_npc_get_kex_cfg(struct rvu *rvu, struct msg_req *req,
				     struct npc_get_kex_cfg_rsp *rsp);
#endif /* RVU_H */