xref: /dragonfly/sys/dev/disk/buslogic/btreg.h (revision 650094e1)
1 /*
2  * Generic register and struct definitions for the BusLogic
3  * MultiMaster SCSI host adapters.  Product specific probe and
4  * attach routines can be found in:
5  * sys/dev/buslogic/bt_isa.c	BT-54X, BT-445 cards
6  * sys/dev/buslogic/bt_pci.c	BT-946, BT-948, BT-956, BT-958 cards
7  *
8  * Copyright (c) 1998, 1999 Justin T. Gibbs.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification, immediately at the beginning of the file.
17  * 2. The name of the author may not be used to endorse or promote products
18  *    derived from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD: src/sys/dev/buslogic/btreg.h,v 1.10.2.2 2001/09/03 02:45:22 peter Exp $
33  */
34 
35 #ifndef _BTREG_H_
36 #define _BTREG_H_
37 
38 #include <sys/queue.h>
39 
40 #define BT_MAXTRANSFER_SIZE	 0xffffffff	/* limited by 32bit counter */
41 #define BT_NSEG		32	/* The number of dma segments supported.
42                                  * BT_NSEG can be maxed out at 8192 entries,
43                                  * but the kernel will never need to transfer
44                                  * such a large request.  To reduce the
45                                  * driver's memory consumption, we reduce the
46                                  * max to 32.  16 would work if all transfers
47                                  * are paged alined since the kernel will only
48                                  * generate at most a 64k transfer, but to
49                                  * handle non-page aligned transfers, you need
50                                  * 17, so we round to the next power of two
51                                  * to make allocating SG space easy and
52                                  * efficient.
53 				 */
54 
55 #define ALL_TARGETS (~0)
56 
57 /*
58  * Control Register pp. 1-8, 1-9 (Write Only)
59  */
60 #define	CONTROL_REG		0x00
61 #define		HARD_RESET	0x80	/* Hard Reset - return to POST state */
62 #define		SOFT_RESET	0x40	/* Soft Reset - Clears Adapter state */
63 #define		RESET_INTR	0x20	/* Reset/Ack Interrupt */
64 #define		RESET_SBUS	0x10	/* Drive SCSI bus reset signal */
65 
66 /*
67  * Status Register pp. 1-9, 1-10 (Read Only)
68  */
69 #define STATUS_REG			0x00
70 #define		DIAG_ACTIVE		0x80	/* Performing Internal Diags */
71 #define		DIAG_FAIL		0x40	/* Internal Diags failed */
72 #define		INIT_REQUIRED		0x20	/* MBOXes need initialization */
73 #define		HA_READY		0x10	/* HA ready for new commands */
74 #define		CMD_REG_BUSY		0x08	/* HA busy with last cmd byte */
75 #define		DATAIN_REG_READY	0x04	/* Data-in Byte available */
76 #define		STATUS_REG_RSVD		0x02
77 #define		CMD_INVALID		0x01	/* Invalid Command detected */
78 
79 /*
80  * Command/Parameter Register pp. 1-10, 1-11 (Write Only)
81  */
82 #define	COMMAND_REG			0x01
83 
84 /*
85  * Data in Register p. 1-11 (Read Only)
86  */
87 #define	DATAIN_REG			0x01
88 
89 /*
90  * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
91  */
92 #define INTSTAT_REG			0x02
93 #define		INTR_PENDING		0x80	/* There is a pending INTR */
94 #define		INTSTAT_REG_RSVD	0x70
95 #define		SCSI_BUS_RESET		0x08	/* Bus Reset detected */
96 #define		CMD_COMPLETE		0x04
97 #define		OMB_READY		0x02	/* Outgoin Mailbox Ready */
98 #define		IMB_LOADED		0x01	/* Incoming Mailbox loaded */
99 
100 /*
101  * Definitions for the "undocumented" geometry register
102  */
103 typedef enum {
104 	GEOM_NODISK,
105 	GEOM_64x32,
106 	GEOM_128x32,
107 	GEOM_255x32
108 } disk_geom_t;
109 
110 #define GEOMETRY_REG			0x03
111 #define		DISK0_GEOMETRY		0x03
112 #define		DISK1_GEOMETRY		0x0c
113 #define		EXTENDED_TRANSLATION	0x80
114 #define		GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY)
115 #define		GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2)
116 
117 #define BT_NREGS	(4)
118 /*
119  * Opcodes for Adapter commands.
120  * pp 1-18 -> 1-20
121  */
122 typedef enum {
123 	BOP_TEST_CMDC_INTR	= 0x00,
124 	BOP_INITIALIZE_24BMBOX	= 0x01,
125 	BOP_START_MBOX		= 0x02,
126 	BOP_EXECUTE_BIOS_CMD	= 0x03,
127 	BOP_INQUIRE_BOARD_ID	= 0x04,
128 	BOP_ENABLE_OMBR_INT	= 0x05,
129 	BOP_SET_SEL_TIMOUT	= 0x06,
130 	BOP_SET_TIME_ON_BUS	= 0x07,
131 	BOP_SET_TIME_OFF_BUS	= 0x08,
132 	BOP_SET_BUS_TRANS_RATE	= 0x09,
133 	BOP_INQUIRE_INST_LDEVS	= 0x0A,
134 	BOP_INQUIRE_CONFIG	= 0x0B,
135 	BOP_ENABLE_TARGET_MODE	= 0x0C,
136 	BOP_INQUIRE_SETUP_INFO	= 0x0D,
137 	BOP_WRITE_LRAM		= 0x1A,
138 	BOP_READ_LRAM		= 0x1B,
139 	BOP_WRITE_CHIP_FIFO	= 0x1C,
140 	BOP_READ_CHIP_FIFO	= 0x1C,
141 	BOP_ECHO_DATA_BYTE	= 0x1F,
142 	BOP_ADAPTER_DIAGNOSTICS	= 0x20,
143 	BOP_SET_ADAPTER_OPTIONS	= 0x21,
144 	BOP_INQUIRE_INST_HDEVS	= 0x23,
145 	BOP_INQUIRE_TARG_DEVS	= 0x24,
146 	BOP_DISABLE_HAC_INTR	= 0x25,
147 	BOP_INITIALIZE_32BMBOX	= 0x81,
148 	BOP_EXECUTE_SCSI_CMD	= 0x83,
149 	BOP_INQUIRE_FW_VER_3DIG	= 0x84,
150 	BOP_INQUIRE_FW_VER_4DIG	= 0x85,
151 	BOP_INQUIRE_PCI_INFO	= 0x86,
152 	BOP_INQUIRE_MODEL	= 0x8B,
153 	BOP_TARG_SYNC_INFO	= 0x8C,
154 	BOP_INQUIRE_ESETUP_INFO	= 0x8D,
155 	BOP_ENABLE_STRICT_RR	= 0x8F,
156 	BOP_STORE_LRAM		= 0x90,
157 	BOP_FETCH_LRAM		= 0x91,
158 	BOP_SAVE_TO_EEPROM	= 0x92,
159 	BOP_UPLOAD_AUTO_SCSI	= 0x94,
160 	BOP_MODIFY_IO_ADDR	= 0x95,
161 	BOP_SET_CCB_FORMAT	= 0x96,
162 	BOP_FLASH_ROM_DOWNLOAD	= 0x97,
163 	BOP_FLASH_WRITE_ENABLE	= 0x98,
164 	BOP_WRITE_INQ_BUFFER	= 0x9A,
165 	BOP_READ_INQ_BUFFER	= 0x9B,
166 	BOP_FLASH_UP_DOWNLOAD	= 0xA7,
167 	BOP_READ_SCAM_DATA	= 0xA8,
168 	BOP_WRITE_SCAM_DATA	= 0xA9
169 } bt_op_t;
170 
171 /************** Definitions of Multi-byte commands and responses ************/
172 
173 typedef struct {
174 	u_int8_t num_mboxes;
175 	u_int8_t base_addr[3];
176 } init_24b_mbox_params_t;
177 
178 typedef struct {
179 	u_int8_t board_type;
180 #define		BOARD_TYPE_NON_MCA	0x41
181 #define		BOARD_TYPE_MCA		0x42
182 	u_int8_t cust_features;
183 #define		FEATURES_STANDARD	0x41
184 	u_int8_t firmware_rev_major;
185 	u_int8_t firmware_rev_minor;
186 } board_id_data_t;
187 
188 typedef struct {
189 	u_int8_t enable;
190 } enable_ombr_intr_params_t;
191 
192 typedef struct {
193 	u_int8_t enable;
194 	u_int8_t reserved;
195 	u_int8_t timeout[2];	/* timeout in milliseconds */
196 } set_selto_parmas_t;
197 
198 typedef struct {
199 	u_int8_t time;		/* time in milliseconds (2-15) */
200 } set_timeon_bus_params_t;
201 
202 typedef struct {
203 	u_int8_t time;		/* time in milliseconds (2-15) */
204 } set_timeoff_bus_params_t;
205 
206 typedef struct {
207 	u_int8_t rate;
208 } set_bus_trasfer_rate_params_t;
209 
210 typedef struct {
211 	u_int8_t targets[8];
212 } installed_ldevs_data_t;
213 
214 typedef struct {
215 	u_int8_t dma_chan;
216 #define		DMA_CHAN_5	0x20
217 #define		DMA_CHAN_6	0x40
218 #define		DMA_CHAN_7	0x80
219 	u_int8_t irq;
220 #define		IRQ_9		0x01
221 #define		IRQ_10		0x02
222 #define		IRQ_11		0x04
223 #define		IRQ_12		0x08
224 #define		IRQ_14		0x20
225 #define		IRQ_15		0x40
226 	u_int8_t scsi_id;
227 } config_data_t;
228 
229 typedef struct {
230 	u_int8_t enable;
231 } target_mode_params_t;
232 
233 typedef struct {
234 	u_int8_t offset : 4,
235 		 period : 3,
236 		 sync	: 1;
237 } targ_syncinfo_t;
238 
239 typedef enum {
240 	HAB_ISA		= 'A',
241 	HAB_MCA		= 'B',
242 	HAB_EISA	= 'C',
243 	HAB_NUBUS	= 'D',
244 	HAB_VESA	= 'E',
245 	HAB_PCI		= 'F'
246 } ha_type_t;
247 
248 typedef struct {
249 	u_int8_t	initiate_sync	: 1,
250 		 	parity_enable	: 1,
251 					: 6;
252 
253 	u_int8_t	bus_transfer_rate;
254 	u_int8_t	time_on_bus;
255 	u_int8_t	time_off_bus;
256 	u_int8_t	num_mboxes;
257 	u_int8_t	mbox_base_addr[3];
258 	targ_syncinfo_t	low_syncinfo[8];	/* For fast and ultra, use 8C */
259 	u_int8_t	low_discinfo;
260 	u_int8_t	customer_sig;
261 	u_int8_t	letter_d;
262 	u_int8_t	ha_type;
263 	u_int8_t	low_wide_allowed;
264 	u_int8_t	low_wide_active;
265 	targ_syncinfo_t	high_syncinfo[8];
266 	u_int8_t	high_discinfo;
267 	u_int8_t	high_wide_allowed;
268 	u_int8_t	high_wide_active;
269 } setup_data_t;
270 
271 typedef struct {
272 	u_int8_t phys_addr[3];
273 } write_adapter_lram_params_t;
274 
275 typedef struct {
276 	u_int8_t phys_addr[3];
277 } read_adapter_lram_params_t;
278 
279 typedef struct {
280 	u_int8_t phys_addr[3];
281 } write_chip_fifo_params_t;
282 
283 typedef struct {
284 	u_int8_t phys_addr[3];
285 } read_chip_fifo_params_t;
286 
287 typedef struct {
288 	u_int8_t length;		/* Excludes this member */
289 	u_int8_t low_disc_disable;
290 	u_int8_t low_busy_retry_disable;
291 	u_int8_t high_disc_disable;
292 	u_int8_t high_busy_retry_disable;
293 } set_adapter_options_params_t;
294 
295 typedef struct {
296 	u_int8_t targets[8];
297 } installed_hdevs_data_t;
298 
299 typedef struct {
300 	u_int8_t low_devs;
301 	u_int8_t high_devs;
302 } target_devs_data_t;
303 
304 typedef struct {
305 	u_int8_t enable;
306 } enable_hac_interrupt_params_t;
307 
308 typedef struct {
309 	u_int8_t num_boxes;
310 	u_int8_t base_addr[4];
311 } init_32b_mbox_params_t;
312 
313 typedef u_int8_t fw_ver_3dig_data_t;
314 
315 typedef u_int8_t fw_ver_4dig_data_t;
316 
317 typedef struct  {
318 	u_int8_t offset;
319 	u_int8_t response_len;
320 } fetch_lram_params_t;
321 
322 #define AUTO_SCSI_BYTE_OFFSET	64
323 typedef struct {
324 	u_int8_t	factory_sig[2];
325 	u_int8_t	auto_scsi_data_size;	/* 2 -> 64 bytes */
326 	u_int8_t	model_num[6];
327 	u_int8_t	adapter_ioport;
328 	u_int8_t	floppy_enabled	 :1,
329 			floppy_secondary :1,
330 			level_trigger	 :1,
331 					 :2,
332 			system_ram_area	 :3;
333 	u_int8_t	dma_channel	 :7,
334 			dma_autoconf	 :1;
335 	u_int8_t	irq_channel	 :7,
336 			irq_autoconf	 :1;
337 	u_int8_t	dma_trans_rate;
338 	u_int8_t	scsi_id;
339 	u_int8_t	low_termination	 :1,
340 			scsi_parity	 :1,
341 			high_termination :1,
342 			req_ack_filter	 :1,
343 			fast_sync	 :1,
344 			bus_reset	 :1,
345 					 :1,
346 			active_negation	 :1;
347 	u_int8_t	bus_on_delay;
348 	u_int8_t	bus_off_delay;
349 	u_int8_t	bios_enabled	 :1,
350 			int19h_redirect	 :1,
351 			extended_trans	 :1,
352 			removable_drives :1,
353 					 :1,
354 			morethan2disks	 :1,
355 			interrupt_mode	 :1,
356 			floptical_support:1;
357 	u_int8_t	low_device_enabled;
358 	u_int8_t	high_device_enabled;
359 	u_int8_t	low_wide_permitted;
360 	u_int8_t	high_wide_permitted;
361 	u_int8_t	low_fast_permitted;
362 	u_int8_t	high_fast_permitted;
363 	u_int8_t	low_sync_permitted;
364 	u_int8_t	high_sync_permitted;
365 	u_int8_t	low_disc_permitted;
366 	u_int8_t	high_disc_permitted;
367 	u_int8_t	low_send_start_unit;
368 	u_int8_t	high_send_start_unit;
369 	u_int8_t	low_ignore_in_bios_scan;
370 	u_int8_t	high_ignore_in_bios_scan;
371 	u_int8_t	pci_int_pin	 :2,
372 			host_ioport	 :2,
373 			round_robin	 :1,
374 			vesa_bus_over_33 :1,
375 			vesa_burst_write :1,
376 			vesa_burst_read	 :1;
377 	u_int8_t	low_ultra_permitted;
378 	u_int8_t	high_ultra_permitted;
379 	u_int8_t	reserved[5];
380 	u_int8_t	auto_scsi_max_lun;
381 	u_int8_t			 :1,
382 			scam_dominant	 :1,
383 			scam_enabled	 :1,
384 			scam_level2	 :1,
385 					 :4;
386 	u_int8_t	int13_extensions :1,
387 					 :1,
388 			cdrom_boot	 :1,
389 					 :2,
390 			multi_boot	 :1,
391 					 :2;
392 	u_int8_t	boot_target_id	 :4,
393 			boot_channel	 :4;
394 	u_int8_t	force_dev_scan	 :1,
395 					 :7;
396 	u_int8_t	low_tagged_lun_independance;
397 	u_int8_t	high_tagged_lun_independance;
398 	u_int8_t	low_renegotiate_after_cc;
399 	u_int8_t	high_renegotiate_after_cc;
400 	u_int8_t	reserverd2[10];
401 	u_int8_t	manufacturing_diagnotic[2];
402 	u_int8_t	checksum[2];
403 } auto_scsi_data_t;
404 
405 struct bt_isa_port {
406 	u_int16_t addr;
407 	u_int8_t  probed;
408 	u_int8_t  bio;
409 };
410 
411 extern struct bt_isa_port bt_isa_ports[];
412 
413 #define BT_NUM_ISAPORTS 6
414 
415 typedef enum {
416 	BIO_330		= 0,
417 	BIO_334		= 1,
418 	BIO_230		= 2,
419 	BIO_234		= 3,
420 	BIO_130		= 4,
421 	BIO_134		= 5,
422 	BIO_DISABLED	= 6,
423 	BIO_DISABLED2	= 7
424 } isa_compat_io_t;
425 
426 typedef struct {
427 	u_int8_t io_port;
428 	u_int8_t irq_num;
429 	u_int8_t low_byte_term	:1,
430 		 high_byte_term	:1,
431 		 		:2,
432 		 jp1_status	:1,
433 		 jp2_status	:1,
434 		 jp3_status	:1,
435 		 		:1;
436 	u_int8_t reserved;
437 } pci_info_data_t;
438 
439 typedef struct {
440 	u_int8_t ascii_model[5];	/* Fifth byte is always 0 */
441 } ha_model_data_t;
442 
443 typedef struct {
444 	u_int8_t sync_rate[16];		/* Sync in 10ns units */
445 } target_sync_info_data_t;
446 
447 typedef struct {
448 	u_int8_t  bus_type;
449 	u_int8_t  bios_addr;
450 	u_int16_t max_sg;
451 	u_int8_t  num_mboxes;
452 	u_int8_t  mbox_base[4];
453 	u_int8_t			:2,
454 		  sync_neg10MB		:1,
455 		  floppy_disable	:1,
456 		  floppy_secondary_port	:1,
457 		  burst_mode_enabled	:1,
458 		  level_trigger_ints	:1,
459 					:1;
460 	u_int8_t  fw_ver_bytes_2_to_4[3];
461 	u_int8_t  wide_bus		:1,
462 		  diff_bus		:1,
463 		  scam_capable		:1,
464 		  ultra_scsi		:1,
465 		  auto_term		:1,
466 		 			:3;
467 } esetup_info_data_t;
468 
469 typedef struct {
470 	u_int32_t len;
471 	u_int32_t addr;
472 } bt_sg_t;
473 
474 /********************** Mail Box definitions *******************************/
475 
476 typedef enum {
477 	BMBO_FREE		= 0x0,	/* MBO intry is free */
478 	BMBO_START		= 0x1,	/* MBO activate entry */
479 	BMBO_ABORT		= 0x2	/* MBO abort entry */
480 } bt_mbo_action_code_t;
481 
482 typedef struct bt_mbox_out {
483 	u_int32_t ccb_addr;
484 	u_int8_t  reserved[3];
485 	u_int8_t  action_code;
486 } bt_mbox_out_t;
487 
488 typedef enum {
489 	BMBI_FREE		= 0x0,	/* MBI entry is free */
490 	BMBI_OK			= 0x1,	/* completed without error */
491 	BMBI_ABORT		= 0x2,	/* aborted ccb */
492 	BMBI_NOT_FOUND		= 0x3,	/* Tried to abort invalid CCB */
493 	BMBI_ERROR		= 0x4	/* Completed with error */
494 } bt_mbi_comp_code_t;
495 
496 typedef struct bt_mbox_in {
497 	u_int32_t ccb_addr;
498 	u_int8_t  btstat;
499 	u_int8_t  sdstat;
500 	u_int8_t  reserved;
501 	u_int8_t  comp_code;
502 } bt_mbox_in_t;
503 
504 /***************** Compiled Probe Information *******************************/
505 struct bt_probe_info {
506 	int	drq;
507 	int	irq;
508 };
509 
510 /****************** Hardware CCB definition *********************************/
511 typedef enum {
512 	INITIATOR_CCB		= 0x00,
513 	INITIATOR_SG_CCB	= 0x02,
514 	INITIATOR_CCB_WRESID	= 0x03,
515 	INITIATOR_SG_CCB_WRESID	= 0x04,
516 	INITIATOR_BUS_DEV_RESET = 0x81
517 } bt_ccb_opcode_t;
518 
519 typedef enum {
520 	BTSTAT_NOERROR			= 0x00,
521 	BTSTAT_LINKED_CMD_COMPLETE	= 0x0A,
522 	BTSTAT_LINKED_CMD_FLAG_COMPLETE	= 0x0B,
523 	BTSTAT_DATAUNDERUN_ERROR	= 0x0C,
524 	BTSTAT_SELTIMEOUT		= 0x11,
525 	BTSTAT_DATARUN_ERROR		= 0x12,
526 	BTSTAT_UNEXPECTED_BUSFREE	= 0x13,
527 	BTSTAT_INVALID_PHASE		= 0x14,
528 	BTSTAT_INVALID_ACTION_CODE	= 0x15,
529 	BTSTAT_INVALID_OPCODE		= 0x16,
530 	BTSTAT_LINKED_CCB_LUN_MISMATCH	= 0x17,
531 	BTSTAT_INVALID_CCB_OR_SG_PARAM	= 0x1A,
532 	BTSTAT_AUTOSENSE_FAILED		= 0x1B,
533 	BTSTAT_TAGGED_MSG_REJECTED	= 0x1C,
534 	BTSTAT_UNSUPPORTED_MSG_RECEIVED	= 0x1D,
535 	BTSTAT_HARDWARE_FAILURE		= 0x20,
536 	BTSTAT_TARGET_IGNORED_ATN	= 0x21,
537 	BTSTAT_HA_SCSI_BUS_RESET	= 0x22,
538 	BTSTAT_OTHER_SCSI_BUS_RESET	= 0x23,
539 	BTSTAT_INVALID_RECONNECT	= 0x24,
540 	BTSTAT_HA_BDR			= 0x25,
541 	BTSTAT_ABORT_QUEUE_GENERATED	= 0x26,
542 	BTSTAT_HA_SOFTWARE_ERROR	= 0x27,
543 	BTSTAT_HA_WATCHDOG_ERROR	= 0x28,
544 	BTSTAT_SCSI_PERROR_DETECTED	= 0x30
545 } btstat_t;
546 
547 struct bt_hccb {
548 	u_int8_t  opcode;
549 	u_int8_t			:3,
550 		  datain		:1,
551 		  dataout		:1,
552 		  wide_tag_enable	:1,	/* Wide Lun CCB format */
553 		  wide_tag_type		:2;	/* Wide Lun CCB format */
554 	u_int8_t  cmd_len;
555 	u_int8_t  sense_len;
556 	int32_t	  data_len;			/* residuals can be negative */
557 	u_int32_t data_addr;
558 	u_int8_t  reserved[2];
559 	u_int8_t  btstat;
560 	u_int8_t  sdstat;
561 	u_int8_t  target_id;
562 	u_int8_t  target_lun	:5,
563 		  tag_enable	:1,
564 		  tag_type	:2;
565 	u_int8_t  scsi_cdb[12];
566 	u_int8_t  reserved2[6];
567 	u_int32_t sense_addr;
568 };
569 
570 typedef enum {
571 	BCCB_FREE		= 0x0,
572 	BCCB_ACTIVE		= 0x1,
573 	BCCB_DEVICE_RESET	= 0x2,
574 	BCCB_RELEASE_SIMQ	= 0x4
575 } bccb_flags_t;
576 
577 struct bt_ccb {
578 	struct	bt_hccb		 hccb;
579 	SLIST_ENTRY(bt_ccb)	 links;
580 	u_int32_t		 flags;
581 	union ccb		*ccb;
582 	bus_dmamap_t		 dmamap;
583 	bt_sg_t			*sg_list;
584 	u_int32_t		 sg_list_phys;
585 };
586 
587 struct sg_map_node {
588 	bus_dmamap_t		 sg_dmamap;
589 	bus_addr_t		 sg_physaddr;
590 	bt_sg_t*		 sg_vaddr;
591 	SLIST_ENTRY(sg_map_node) links;
592 };
593 
594 struct bt_softc {
595 	struct device		*dev;
596 	struct resource		*port;
597 	struct resource		*irq;
598 	struct resource		*drq;
599 	void			*ih;
600 	bus_space_tag_t		 tag;
601 	bus_space_handle_t	 bsh;
602 	struct	cam_sim		*sim;
603 	struct	cam_path	*path;
604 	bt_mbox_out_t		*cur_outbox;
605 	bt_mbox_in_t		*cur_inbox;
606 	bt_mbox_out_t		*last_outbox;
607 	bt_mbox_in_t		*last_inbox;
608 	struct	bt_ccb		*bt_ccb_array;
609 	SLIST_HEAD(,bt_ccb)	 free_bt_ccbs;
610 	LIST_HEAD(,ccb_hdr)	 pending_ccbs;
611 	u_int			 active_ccbs;
612 	u_int32_t		 bt_ccb_physbase;
613 	bt_mbox_in_t		*in_boxes;
614 	bt_mbox_out_t		*out_boxes;
615 	struct scsi_sense_data	*sense_buffers;
616 	u_int32_t		 sense_buffers_physbase;
617 	struct	bt_ccb		*recovery_bccb;
618 	u_int			 num_boxes;
619 	bus_dma_tag_t		 parent_dmat;	/*
620 						 * All dmat's derive from
621 						 * the dmat defined by our
622 						 * bus.
623 						 */
624 	bus_dma_tag_t		 buffer_dmat;	/* dmat for buffer I/O */
625 	bus_dma_tag_t		 mailbox_dmat;	/* dmat for our mailboxes */
626 	bus_dmamap_t		 mailbox_dmamap;
627 	bus_dma_tag_t		 ccb_dmat;	/* dmat for our ccb array */
628 	bus_dmamap_t		 ccb_dmamap;
629 	bus_dma_tag_t		 sg_dmat;	/* dmat for our sg segments */
630 	bus_dma_tag_t		 sense_dmat;	/* dmat for our sense buffers */
631 	bus_dmamap_t		 sense_dmamap;
632 	SLIST_HEAD(, sg_map_node) sg_maps;
633 	bus_addr_t		 mailbox_physbase;
634 	u_int			 num_ccbs;	/* Number of CCBs malloc'd */
635 	u_int			 max_ccbs;	/* Maximum allocatable CCBs */
636 	u_int			 max_sg;
637 	u_int			 unit;
638 	u_int			 scsi_id;
639 	u_int32_t		 extended_trans	   :1,
640 				 wide_bus	   :1,
641 				 diff_bus	   :1,
642 				 ultra_scsi	   :1,
643 				 extended_lun	   :1,
644 				 strict_rr	   :1,
645 				 tag_capable	   :1,
646 				 wide_lun_ccb	   :1,
647 				 resource_shortage :1,
648 				 level_trigger_ints:1,
649 						   :22;
650 	u_int16_t		 tags_permitted;
651 	u_int16_t		 disc_permitted;
652 	u_int16_t		 sync_permitted;
653 	u_int16_t		 fast_permitted;
654 	u_int16_t		 ultra_permitted;
655 	u_int16_t		 wide_permitted;
656 	u_int8_t		 init_level;
657 	volatile u_int8_t	 command_cmp;
658 	volatile u_int8_t	 latched_status;
659 	u_int32_t		 bios_addr;
660 	char			 firmware_ver[6];
661 	char			 model[5];
662 };
663 
664 extern u_long bt_unit;
665 
666 #define BT_TEMP_UNIT 0xFF		/* Unit for probes */
667 void			bt_init_softc(device_t dev,
668 				      struct resource *port,
669 				      struct resource *irq,
670 				      struct resource *drq);
671 void			bt_free_softc(device_t dev);
672 int			bt_port_probe(device_t dev,
673 				      struct bt_probe_info *info);
674 int			bt_probe(device_t dev);
675 int			bt_fetch_adapter_info(device_t dev);
676 int			bt_init(device_t dev);
677 int			bt_attach(device_t dev);
678 void			bt_intr(void *arg);
679 int			bt_check_probed_iop(u_int ioport);
680 void			bt_mark_probed_bio(isa_compat_io_t port);
681 void			bt_mark_probed_iop(u_int ioport);
682 void			bt_find_probe_range(int ioport,
683 					    int *port_index,
684 					    int *max_port_index);
685 
686 int			bt_iop_from_bio(isa_compat_io_t bio_index);
687 
688 #define DEFAULT_CMD_TIMEOUT 100000	/* 10 sec */
689 int			bt_cmd(struct bt_softc *bt, bt_op_t opcode,
690 			       u_int8_t *params, u_int param_len,
691 			       u_int8_t *reply_data, u_int reply_len,
692 			       u_int cmd_timeout);
693 
694 #define bt_name(bt)	device_get_nameunit(bt->dev)
695 
696 #define bt_inb(bt, port)				\
697 	bus_space_read_1((bt)->tag, (bt)->bsh, port)
698 
699 #define bt_outb(bt, port, value)			\
700 	bus_space_write_1((bt)->tag, (bt)->bsh, port, value)
701 
702 #endif	/* _BT_H_ */
703