summaryrefslogtreecommitdiff
path: root/drivers/scsi/bfa/bfi.h
blob: 27b33c765ddc4375a1901498730515c4b9b31f0f (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
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
/*
 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
 * All rights reserved
 * www.brocade.com
 *
 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License (GPL) Version 2 as
 * published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 */

#ifndef __BFI_H__
#define __BFI_H__

#include "bfa_defs.h"
#include "bfa_defs_svc.h"

#pragma pack(1)

/*
 * BFI FW image type
 */
#define	BFI_FLASH_CHUNK_SZ			256	/*  Flash chunk size */
#define	BFI_FLASH_CHUNK_SZ_WORDS	(BFI_FLASH_CHUNK_SZ/sizeof(u32))
enum {
	BFI_IMAGE_CB_FC,
	BFI_IMAGE_CT_FC,
	BFI_IMAGE_CT_CNA,
	BFI_IMAGE_MAX,
};

/*
 * Msg header common to all msgs
 */
struct bfi_mhdr_s {
	u8		msg_class;	/*  @ref bfi_mclass_t		    */
	u8		msg_id;		/*  msg opcode with in the class   */
	union {
		struct {
			u8	rsvd;
			u8	lpu_id;	/*  msg destination		    */
		} h2i;
		u16	i2htok;	/*  token in msgs to host	    */
	} mtag;
};

#define bfi_h2i_set(_mh, _mc, _op, _lpuid) do {		\
	(_mh).msg_class		= (_mc);      \
	(_mh).msg_id		= (_op);      \
	(_mh).mtag.h2i.lpu_id	= (_lpuid);      \
} while (0)

#define bfi_i2h_set(_mh, _mc, _op, _i2htok) do {		\
	(_mh).msg_class		= (_mc);      \
	(_mh).msg_id		= (_op);      \
	(_mh).mtag.i2htok	= (_i2htok);      \
} while (0)

/*
 * Message opcodes: 0-127 to firmware, 128-255 to host
 */
#define BFI_I2H_OPCODE_BASE	128
#define BFA_I2HM(_x)		((_x) + BFI_I2H_OPCODE_BASE)

/*
 ****************************************************************************
 *
 * Scatter Gather Element and Page definition
 *
 ****************************************************************************
 */

#define BFI_SGE_INLINE	1
#define BFI_SGE_INLINE_MAX	(BFI_SGE_INLINE + 1)

/*
 * SG Flags
 */
enum {
	BFI_SGE_DATA		= 0,	/*  data address, not last	     */
	BFI_SGE_DATA_CPL	= 1,	/*  data addr, last in current page */
	BFI_SGE_DATA_LAST	= 3,	/*  data address, last		     */
	BFI_SGE_LINK		= 2,	/*  link address		     */
	BFI_SGE_PGDLEN		= 2,	/*  cumulative data length for page */
};

/*
 * DMA addresses
 */
union bfi_addr_u {
	struct {
		__be32	addr_lo;
		__be32	addr_hi;
	} a32;
};

/*
 * Scatter Gather Element
 */
struct bfi_sge_s {
#ifdef __BIGENDIAN
	u32	flags:2,
			rsvd:2,
			sg_len:28;
#else
	u32	sg_len:28,
			rsvd:2,
			flags:2;
#endif
	union bfi_addr_u sga;
};

/*
 * Scatter Gather Page
 */
#define BFI_SGPG_DATA_SGES		7
#define BFI_SGPG_SGES_MAX		(BFI_SGPG_DATA_SGES + 1)
#define BFI_SGPG_RSVD_WD_LEN	8
struct bfi_sgpg_s {
	struct bfi_sge_s sges[BFI_SGPG_SGES_MAX];
	u32	rsvd[BFI_SGPG_RSVD_WD_LEN];
};

/*
 * Large Message structure - 128 Bytes size Msgs
 */
#define BFI_LMSG_SZ		128
#define BFI_LMSG_PL_WSZ	\
			((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4)

struct bfi_msg_s {
	struct bfi_mhdr_s mhdr;
	u32	pl[BFI_LMSG_PL_WSZ];
};

/*
 * Mailbox message structure
 */
#define BFI_MBMSG_SZ		7
struct bfi_mbmsg_s {
	struct bfi_mhdr_s	mh;
	u32		pl[BFI_MBMSG_SZ];
};

/*
 * Message Classes
 */
enum bfi_mclass {
	BFI_MC_IOC		= 1,	/*  IO Controller (IOC)	    */
	BFI_MC_FCPORT		= 5,	/*  FC port			    */
	BFI_MC_IOCFC		= 6,	/*  FC - IO Controller (IOC)	    */
	BFI_MC_LL               = 7,    /*  Link Layer                      */
	BFI_MC_UF		= 8,	/*  Unsolicited frame receive	    */
	BFI_MC_FCXP		= 9,	/*  FC Transport		    */
	BFI_MC_LPS		= 10,	/*  lport fc login services	    */
	BFI_MC_RPORT		= 11,	/*  Remote port		    */
	BFI_MC_ITNIM		= 12,	/*  I-T nexus (Initiator mode)	    */
	BFI_MC_IOIM_READ	= 13,	/*  read IO (Initiator mode)	    */
	BFI_MC_IOIM_WRITE	= 14,	/*  write IO (Initiator mode)	    */
	BFI_MC_IOIM_IO		= 15,	/*  IO (Initiator mode)	    */
	BFI_MC_IOIM		= 16,	/*  IO (Initiator mode)	    */
	BFI_MC_IOIM_IOCOM	= 17,	/*  good IO completion		    */
	BFI_MC_TSKIM		= 18,	/*  Initiator Task management	    */
	BFI_MC_PORT		= 21,	/*  Physical port		    */
	BFI_MC_MAX		= 32
};

#define BFI_IOC_MAX_CQS		4
#define BFI_IOC_MAX_CQS_ASIC	8
#define BFI_IOC_MSGLEN_MAX	32	/* 32 bytes */

#define BFI_BOOT_TYPE_OFF		8
#define BFI_BOOT_LOADER_OFF		12

#define BFI_BOOT_TYPE_NORMAL		0
#define	BFI_BOOT_TYPE_FLASH		1
#define	BFI_BOOT_TYPE_MEMTEST		2

#define BFI_BOOT_LOADER_OS		0
#define BFI_BOOT_LOADER_BIOS		1
#define BFI_BOOT_LOADER_UEFI		2

/*
 *----------------------------------------------------------------------
 *				IOC
 *----------------------------------------------------------------------
 */

enum bfi_ioc_h2i_msgs {
	BFI_IOC_H2I_ENABLE_REQ		= 1,
	BFI_IOC_H2I_DISABLE_REQ		= 2,
	BFI_IOC_H2I_GETATTR_REQ		= 3,
	BFI_IOC_H2I_DBG_SYNC		= 4,
	BFI_IOC_H2I_DBG_DUMP		= 5,
};

enum bfi_ioc_i2h_msgs {
	BFI_IOC_I2H_ENABLE_REPLY	= BFA_I2HM(1),
	BFI_IOC_I2H_DISABLE_REPLY	= BFA_I2HM(2),
	BFI_IOC_I2H_GETATTR_REPLY	= BFA_I2HM(3),
	BFI_IOC_I2H_READY_EVENT		= BFA_I2HM(4),
	BFI_IOC_I2H_HBEAT		= BFA_I2HM(5),
};

/*
 * BFI_IOC_H2I_GETATTR_REQ message
 */
struct bfi_ioc_getattr_req_s {
	struct bfi_mhdr_s	mh;
	union bfi_addr_u	attr_addr;
};

struct bfi_ioc_attr_s {
	wwn_t		mfg_pwwn;	/*  Mfg port wwn	   */
	wwn_t		mfg_nwwn;	/*  Mfg node wwn	   */
	mac_t		mfg_mac;	/*  Mfg mac		   */
	u16	rsvd_a;
	wwn_t		pwwn;
	wwn_t		nwwn;
	mac_t		mac;		/*  PBC or Mfg mac	   */
	u16	rsvd_b;
	mac_t		fcoe_mac;
	u16	rsvd_c;
	char		brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
	u8		pcie_gen;
	u8		pcie_lanes_orig;
	u8		pcie_lanes;
	u8		rx_bbcredit;	/*  receive buffer credits */
	u32	adapter_prop;	/*  adapter properties     */
	u16	maxfrsize;	/*  max receive frame size */
	char		asic_rev;
	u8		rsvd_d;
	char		fw_version[BFA_VERSION_LEN];
	char		optrom_version[BFA_VERSION_LEN];
	struct		bfa_mfg_vpd_s	vpd;
	u32	card_type;	/*  card type			*/
};

/*
 * BFI_IOC_I2H_GETATTR_REPLY message
 */
struct bfi_ioc_getattr_reply_s {
	struct	bfi_mhdr_s	mh;	/*  Common msg header		*/
	u8			status;	/*  cfg reply status		*/
	u8			rsvd[3];
};

/*
 * Firmware memory page offsets
 */
#define BFI_IOC_SMEM_PG0_CB	(0x40)
#define BFI_IOC_SMEM_PG0_CT	(0x180)

/*
 * Firmware statistic offset
 */
#define BFI_IOC_FWSTATS_OFF	(0x6B40)
#define BFI_IOC_FWSTATS_SZ	(4096)

/*
 * Firmware trace offset
 */
#define BFI_IOC_TRC_OFF		(0x4b00)
#define BFI_IOC_TRC_ENTS	256

#define BFI_IOC_FW_SIGNATURE	(0xbfadbfad)
#define BFI_IOC_MD5SUM_SZ	4
struct bfi_ioc_image_hdr_s {
	u32	signature;	/*  constant signature */
	u32	rsvd_a;
	u32	exec;		/*  exec vector	*/
	u32	param;		/*  parameters		*/
	u32	rsvd_b[4];
	u32	md5sum[BFI_IOC_MD5SUM_SZ];
};

/*
 *  BFI_IOC_I2H_READY_EVENT message
 */
struct bfi_ioc_rdy_event_s {
	struct bfi_mhdr_s	mh;		/*  common msg header */
	u8			init_status;	/*  init event status */
	u8			rsvd[3];
};

struct bfi_ioc_hbeat_s {
	struct bfi_mhdr_s  mh;		/*  common msg header		*/
	u32	   hb_count;	/*  current heart beat count	*/
};

/*
 * IOC hardware/firmware state
 */
enum bfi_ioc_state {
	BFI_IOC_UNINIT		= 0,	/*  not initialized		     */
	BFI_IOC_INITING		= 1,	/*  h/w is being initialized	     */
	BFI_IOC_HWINIT		= 2,	/*  h/w is initialized		     */
	BFI_IOC_CFG		= 3,	/*  IOC configuration in progress   */
	BFI_IOC_OP		= 4,	/*  IOC is operational		     */
	BFI_IOC_DISABLING	= 5,	/*  IOC is being disabled	     */
	BFI_IOC_DISABLED	= 6,	/*  IOC is disabled		     */
	BFI_IOC_CFG_DISABLED	= 7,	/*  IOC is being disabled;transient */
	BFI_IOC_FAIL		= 8,	/*  IOC heart-beat failure	     */
	BFI_IOC_MEMTEST		= 9,	/*  IOC is doing memtest	     */
};

#define BFI_IOC_ENDIAN_SIG  0x12345678

enum {
	BFI_ADAPTER_TYPE_FC	= 0x01,		/*  FC adapters	   */
	BFI_ADAPTER_TYPE_MK	= 0x0f0000,	/*  adapter type mask     */
	BFI_ADAPTER_TYPE_SH	= 16,	        /*  adapter type shift    */
	BFI_ADAPTER_NPORTS_MK	= 0xff00,	/*  number of ports mask  */
	BFI_ADAPTER_NPORTS_SH	= 8,	        /*  number of ports shift */
	BFI_ADAPTER_SPEED_MK	= 0xff,		/*  adapter speed mask    */
	BFI_ADAPTER_SPEED_SH	= 0,	        /*  adapter speed shift   */
	BFI_ADAPTER_PROTO	= 0x100000,	/*  prototype adapaters   */
	BFI_ADAPTER_TTV		= 0x200000,	/*  TTV debug capable     */
	BFI_ADAPTER_UNSUPP	= 0x400000,	/*  unknown adapter type  */
};

#define BFI_ADAPTER_GETP(__prop, __adap_prop)			\
	(((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >>	\
		BFI_ADAPTER_ ## __prop ## _SH)
#define BFI_ADAPTER_SETP(__prop, __val)				\
	((__val) << BFI_ADAPTER_ ## __prop ## _SH)
#define BFI_ADAPTER_IS_PROTO(__adap_type)			\
	((__adap_type) & BFI_ADAPTER_PROTO)
#define BFI_ADAPTER_IS_TTV(__adap_type)				\
	((__adap_type) & BFI_ADAPTER_TTV)
#define BFI_ADAPTER_IS_UNSUPP(__adap_type)			\
	((__adap_type) & BFI_ADAPTER_UNSUPP)
#define BFI_ADAPTER_IS_SPECIAL(__adap_type)			\
	((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO |	\
			BFI_ADAPTER_UNSUPP))

/*
 * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages
 */
struct bfi_ioc_ctrl_req_s {
	struct bfi_mhdr_s	mh;
	u8			ioc_class;
	u8			rsvd[3];
	u32		tv_sec;
};
#define bfi_ioc_enable_req_t struct bfi_ioc_ctrl_req_s;
#define bfi_ioc_disable_req_t struct bfi_ioc_ctrl_req_s;

/*
 * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages
 */
struct bfi_ioc_ctrl_reply_s {
	struct bfi_mhdr_s	mh;		/*  Common msg header     */
	u8			status;		/*  enable/disable status */
	u8			rsvd[3];
};
#define bfi_ioc_enable_reply_t struct bfi_ioc_ctrl_reply_s;
#define bfi_ioc_disable_reply_t struct bfi_ioc_ctrl_reply_s;

#define BFI_IOC_MSGSZ   8
/*
 * H2I Messages
 */
union bfi_ioc_h2i_msg_u {
	struct bfi_mhdr_s		mh;
	struct bfi_ioc_ctrl_req_s	enable_req;
	struct bfi_ioc_ctrl_req_s	disable_req;
	struct bfi_ioc_getattr_req_s	getattr_req;
	u32			mboxmsg[BFI_IOC_MSGSZ];
};

/*
 * I2H Messages
 */
union bfi_ioc_i2h_msg_u {
	struct bfi_mhdr_s		mh;
	struct bfi_ioc_rdy_event_s	rdy_event;
	u32			mboxmsg[BFI_IOC_MSGSZ];
};


/*
 *----------------------------------------------------------------------
 *				PBC
 *----------------------------------------------------------------------
 */

#define BFI_PBC_MAX_BLUNS	8
#define BFI_PBC_MAX_VPORTS	16

/*
 * PBC boot lun configuration
 */
struct bfi_pbc_blun_s {
	wwn_t		tgt_pwwn;
	lun_t		tgt_lun;
};

/*
 * PBC virtual port configuration
 */
struct bfi_pbc_vport_s {
	wwn_t		vp_pwwn;
	wwn_t		vp_nwwn;
};

/*
 * BFI pre-boot configuration information
 */
struct bfi_pbc_s {
	u8		port_enabled;
	u8		boot_enabled;
	u8		nbluns;
	u8		nvports;
	u8		port_speed;
	u8		rsvd_a;
	u16	hss;
	wwn_t		pbc_pwwn;
	wwn_t		pbc_nwwn;
	struct bfi_pbc_blun_s blun[BFI_PBC_MAX_BLUNS];
	struct bfi_pbc_vport_s vport[BFI_PBC_MAX_VPORTS];
};

/*
 *----------------------------------------------------------------------
 *				MSGQ
 *----------------------------------------------------------------------
 */
#define BFI_MSGQ_FULL(_q)	(((_q->pi + 1) % _q->q_depth) == _q->ci)
#define BFI_MSGQ_EMPTY(_q)	(_q->pi == _q->ci)
#define BFI_MSGQ_UPDATE_CI(_q)	(_q->ci = (_q->ci + 1) % _q->q_depth)
#define BFI_MSGQ_UPDATE_PI(_q)	(_q->pi = (_q->pi + 1) % _q->q_depth)

/* q_depth must be power of 2 */
#define BFI_MSGQ_FREE_CNT(_q)	((_q->ci - _q->pi - 1) & (_q->q_depth - 1))

enum bfi_msgq_h2i_msgs_e {
	BFI_MSGQ_H2I_INIT_REQ	= 1,
	BFI_MSGQ_H2I_DOORBELL	= 2,
	BFI_MSGQ_H2I_SHUTDOWN	= 3,
};

enum bfi_msgq_i2h_msgs_e {
	BFI_MSGQ_I2H_INIT_RSP	= 1,
	BFI_MSGQ_I2H_DOORBELL	= 2,
};


/* Messages(commands/responsed/AENS will have the following header */
struct bfi_msgq_mhdr_s {
	u8		msg_class;
	u8		msg_id;
	u16	msg_token;
	u16	num_entries;
	u8		enet_id;
	u8		rsvd[1];
};

#define bfi_msgq_mhdr_set(_mh, _mc, _mid, _tok, _enet_id) do {        \
	(_mh).msg_class		= (_mc);      \
	(_mh).msg_id		= (_mid);      \
	(_mh).msg_token		= (_tok);      \
	(_mh).enet_id		= (_enet_id);      \
} while (0)

/*
 * Mailbox  for messaging interface
 *
*/
#define BFI_MSGQ_CMD_ENTRY_SIZE		(64)    /* TBD */
#define BFI_MSGQ_RSP_ENTRY_SIZE		(64)    /* TBD */
#define BFI_MSGQ_MSG_SIZE_MAX		(2048)  /* TBD */

struct bfi_msgq_s {
	union bfi_addr_u addr;
	u16 q_depth;     /* Total num of entries in the queue */
	u8 rsvd[2];
};

/* BFI_ENET_MSGQ_CFG_REQ TBD init or cfg? */
struct bfi_msgq_cfg_req_s {
	struct bfi_mhdr_s mh;
	struct bfi_msgq_s cmdq;
	struct bfi_msgq_s rspq;
};

/* BFI_ENET_MSGQ_CFG_RSP */
struct bfi_msgq_cfg_rsp_s {
	struct bfi_mhdr_s mh;
	u8 cmd_status;
	u8 rsvd[3];
};


/* BFI_MSGQ_H2I_DOORBELL */
struct bfi_msgq_h2i_db_s {
	struct bfi_mhdr_s mh;
	u16 cmdq_pi;
	u16 rspq_ci;
};

/* BFI_MSGQ_I2H_DOORBELL */
struct bfi_msgq_i2h_db_s {
	struct bfi_mhdr_s mh;
	u16 rspq_pi;
	u16 cmdq_ci;
};

#pragma pack()

/* BFI port specific */
#pragma pack(1)

enum bfi_port_h2i {
	BFI_PORT_H2I_ENABLE_REQ         = (1),
	BFI_PORT_H2I_DISABLE_REQ        = (2),
	BFI_PORT_H2I_GET_STATS_REQ      = (3),
	BFI_PORT_H2I_CLEAR_STATS_REQ    = (4),
};

enum bfi_port_i2h {
	BFI_PORT_I2H_ENABLE_RSP         = BFA_I2HM(1),
	BFI_PORT_I2H_DISABLE_RSP        = BFA_I2HM(2),
	BFI_PORT_I2H_GET_STATS_RSP      = BFA_I2HM(3),
	BFI_PORT_I2H_CLEAR_STATS_RSP    = BFA_I2HM(4),
};

/*
 * Generic REQ type
 */
struct bfi_port_generic_req_s {
	struct bfi_mhdr_s  mh;          /*  msg header		*/
	u32     msgtag;         /*  msgtag for reply                */
	u32     rsvd;
};

/*
 * Generic RSP type
 */
struct bfi_port_generic_rsp_s {
	struct bfi_mhdr_s  mh;          /*  common msg header               */
	u8              status;         /*  port enable status              */
	u8              rsvd[3];
	u32     msgtag;         /*  msgtag for reply                */
};

/*
 * BFI_PORT_H2I_GET_STATS_REQ
 */
struct bfi_port_get_stats_req_s {
	struct bfi_mhdr_s  mh;          /*  common msg header               */
	union bfi_addr_u   dma_addr;
};

union bfi_port_h2i_msg_u {
	struct bfi_mhdr_s               mh;
	struct bfi_port_generic_req_s   enable_req;
	struct bfi_port_generic_req_s   disable_req;
	struct bfi_port_get_stats_req_s getstats_req;
	struct bfi_port_generic_req_s   clearstats_req;
};

union bfi_port_i2h_msg_u {
	struct bfi_mhdr_s               mh;
	struct bfi_port_generic_rsp_s   enable_rsp;
	struct bfi_port_generic_rsp_s   disable_rsp;
	struct bfi_port_generic_rsp_s   getstats_rsp;
	struct bfi_port_generic_rsp_s   clearstats_rsp;
};

#pragma pack()

#endif /* __BFI_H__ */