xref: /dragonfly/sys/dev/disk/buslogic/btreg.h (revision f746689a)
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_eisa.c	BT-74X, BT-75x cards, SDC3222F
7  * sys/dev/buslogic/bt_pci.c	BT-946, BT-948, BT-956, BT-958 cards
8  *
9  * Copyright (c) 1998, 1999 Justin T. Gibbs.
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions, and the following disclaimer,
17  *    without modification, immediately at the beginning of the file.
18  * 2. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
25  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  * $FreeBSD: src/sys/dev/buslogic/btreg.h,v 1.10.2.2 2001/09/03 02:45:22 peter Exp $
34  * $DragonFly: src/sys/dev/disk/buslogic/btreg.h,v 1.3 2005/06/11 09:03:48 swildner Exp $
35  */
36 
37 #ifndef _BTREG_H_
38 #define _BTREG_H_
39 
40 #include <sys/queue.h>
41 
42 #define BT_MAXTRANSFER_SIZE	 0xffffffff	/* limited by 32bit counter */
43 #define BT_NSEG		32	/* The number of dma segments supported.
44                                  * BT_NSEG can be maxed out at 8192 entries,
45                                  * but the kernel will never need to transfer
46                                  * such a large request.  To reduce the
47                                  * driver's memory consumption, we reduce the
48                                  * max to 32.  16 would work if all transfers
49                                  * are paged alined since the kernel will only
50                                  * generate at most a 64k transfer, but to
51                                  * handle non-page aligned transfers, you need
52                                  * 17, so we round to the next power of two
53                                  * to make allocating SG space easy and
54                                  * efficient.
55 				 */
56 
57 #define ALL_TARGETS (~0)
58 
59 /*
60  * Control Register pp. 1-8, 1-9 (Write Only)
61  */
62 #define	CONTROL_REG		0x00
63 #define		HARD_RESET	0x80	/* Hard Reset - return to POST state */
64 #define		SOFT_RESET	0x40	/* Soft Reset - Clears Adapter state */
65 #define		RESET_INTR	0x20	/* Reset/Ack Interrupt */
66 #define		RESET_SBUS	0x10	/* Drive SCSI bus reset signal */
67 
68 /*
69  * Status Register pp. 1-9, 1-10 (Read Only)
70  */
71 #define STATUS_REG			0x00
72 #define		DIAG_ACTIVE		0x80	/* Performing Internal Diags */
73 #define		DIAG_FAIL		0x40	/* Internal Diags failed */
74 #define		INIT_REQUIRED		0x20	/* MBOXes need initialization */
75 #define		HA_READY		0x10	/* HA ready for new commands */
76 #define		CMD_REG_BUSY		0x08	/* HA busy with last cmd byte */
77 #define		DATAIN_REG_READY	0x04	/* Data-in Byte available */
78 #define		STATUS_REG_RSVD		0x02
79 #define		CMD_INVALID		0x01	/* Invalid Command detected */
80 
81 /*
82  * Command/Parameter Register pp. 1-10, 1-11 (Write Only)
83  */
84 #define	COMMAND_REG			0x01
85 
86 /*
87  * Data in Register p. 1-11 (Read Only)
88  */
89 #define	DATAIN_REG			0x01
90 
91 /*
92  * Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
93  */
94 #define INTSTAT_REG			0x02
95 #define		INTR_PENDING		0x80	/* There is a pending INTR */
96 #define		INTSTAT_REG_RSVD	0x70
97 #define		SCSI_BUS_RESET		0x08	/* Bus Reset detected */
98 #define		CMD_COMPLETE		0x04
99 #define		OMB_READY		0x02	/* Outgoin Mailbox Ready */
100 #define		IMB_LOADED		0x01	/* Incoming Mailbox loaded */
101 
102 /*
103  * Definitions for the "undocumented" geometry register
104  */
105 typedef enum {
106 	GEOM_NODISK,
107 	GEOM_64x32,
108 	GEOM_128x32,
109 	GEOM_255x32
110 } disk_geom_t;
111 
112 #define GEOMETRY_REG			0x03
113 #define		DISK0_GEOMETRY		0x03
114 #define		DISK1_GEOMETRY		0x0c
115 #define		EXTENDED_TRANSLATION	0x80
116 #define		GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY)
117 #define		GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2)
118 
119 #define BT_NREGS	(4)
120 /*
121  * Opcodes for Adapter commands.
122  * pp 1-18 -> 1-20
123  */
124 typedef enum {
125 	BOP_TEST_CMDC_INTR	= 0x00,
126 	BOP_INITIALIZE_24BMBOX	= 0x01,
127 	BOP_START_MBOX		= 0x02,
128 	BOP_EXECUTE_BIOS_CMD	= 0x03,
129 	BOP_INQUIRE_BOARD_ID	= 0x04,
130 	BOP_ENABLE_OMBR_INT	= 0x05,
131 	BOP_SET_SEL_TIMOUT	= 0x06,
132 	BOP_SET_TIME_ON_BUS	= 0x07,
133 	BOP_SET_TIME_OFF_BUS	= 0x08,
134 	BOP_SET_BUS_TRANS_RATE	= 0x09,
135 	BOP_INQUIRE_INST_LDEVS	= 0x0A,
136 	BOP_INQUIRE_CONFIG	= 0x0B,
137 	BOP_ENABLE_TARGET_MODE	= 0x0C,
138 	BOP_INQUIRE_SETUP_INFO	= 0x0D,
139 	BOP_WRITE_LRAM		= 0x1A,
140 	BOP_READ_LRAM		= 0x1B,
141 	BOP_WRITE_CHIP_FIFO	= 0x1C,
142 	BOP_READ_CHIP_FIFO	= 0x1C,
143 	BOP_ECHO_DATA_BYTE	= 0x1F,
144 	BOP_ADAPTER_DIAGNOSTICS	= 0x20,
145 	BOP_SET_ADAPTER_OPTIONS	= 0x21,
146 	BOP_INQUIRE_INST_HDEVS	= 0x23,
147 	BOP_INQUIRE_TARG_DEVS	= 0x24,
148 	BOP_DISABLE_HAC_INTR	= 0x25,
149 	BOP_INITIALIZE_32BMBOX	= 0x81,
150 	BOP_EXECUTE_SCSI_CMD	= 0x83,
151 	BOP_INQUIRE_FW_VER_3DIG	= 0x84,
152 	BOP_INQUIRE_FW_VER_4DIG	= 0x85,
153 	BOP_INQUIRE_PCI_INFO	= 0x86,
154 	BOP_INQUIRE_MODEL	= 0x8B,
155 	BOP_TARG_SYNC_INFO	= 0x8C,
156 	BOP_INQUIRE_ESETUP_INFO	= 0x8D,
157 	BOP_ENABLE_STRICT_RR	= 0x8F,
158 	BOP_STORE_LRAM		= 0x90,
159 	BOP_FETCH_LRAM		= 0x91,
160 	BOP_SAVE_TO_EEPROM	= 0x92,
161 	BOP_UPLOAD_AUTO_SCSI	= 0x94,
162 	BOP_MODIFY_IO_ADDR	= 0x95,
163 	BOP_SET_CCB_FORMAT	= 0x96,
164 	BOP_FLASH_ROM_DOWNLOAD	= 0x97,
165 	BOP_FLASH_WRITE_ENABLE	= 0x98,
166 	BOP_WRITE_INQ_BUFFER	= 0x9A,
167 	BOP_READ_INQ_BUFFER	= 0x9B,
168 	BOP_FLASH_UP_DOWNLOAD	= 0xA7,
169 	BOP_READ_SCAM_DATA	= 0xA8,
170 	BOP_WRITE_SCAM_DATA	= 0xA9
171 } bt_op_t;
172 
173 /************** Definitions of Multi-byte commands and responses ************/
174 
175 typedef struct {
176 	u_int8_t num_mboxes;
177 	u_int8_t base_addr[3];
178 } init_24b_mbox_params_t;
179 
180 typedef struct {
181 	u_int8_t board_type;
182 #define		BOARD_TYPE_NON_MCA	0x41
183 #define		BOARD_TYPE_MCA		0x42
184 	u_int8_t cust_features;
185 #define		FEATURES_STANDARD	0x41
186 	u_int8_t firmware_rev_major;
187 	u_int8_t firmware_rev_minor;
188 } board_id_data_t;
189 
190 typedef struct {
191 	u_int8_t enable;
192 } enable_ombr_intr_params_t;
193 
194 typedef struct {
195 	u_int8_t enable;
196 	u_int8_t reserved;
197 	u_int8_t timeout[2];	/* timeout in milliseconds */
198 } set_selto_parmas_t;
199 
200 typedef struct {
201 	u_int8_t time;		/* time in milliseconds (2-15) */
202 } set_timeon_bus_params_t;
203 
204 typedef struct {
205 	u_int8_t time;		/* time in milliseconds (2-15) */
206 } set_timeoff_bus_params_t;
207 
208 typedef struct {
209 	u_int8_t rate;
210 } set_bus_trasfer_rate_params_t;
211 
212 typedef struct {
213 	u_int8_t targets[8];
214 } installed_ldevs_data_t;
215 
216 typedef struct {
217 	u_int8_t dma_chan;
218 #define		DMA_CHAN_5	0x20
219 #define		DMA_CHAN_6	0x40
220 #define		DMA_CHAN_7	0x80
221 	u_int8_t irq;
222 #define		IRQ_9		0x01
223 #define		IRQ_10		0x02
224 #define		IRQ_11		0x04
225 #define		IRQ_12		0x08
226 #define		IRQ_14		0x20
227 #define		IRQ_15		0x40
228 	u_int8_t scsi_id;
229 } config_data_t;
230 
231 typedef struct {
232 	u_int8_t enable;
233 } target_mode_params_t;
234 
235 typedef struct {
236 	u_int8_t offset : 4,
237 		 period : 3,
238 		 sync	: 1;
239 } targ_syncinfo_t;
240 
241 typedef enum {
242 	HAB_ISA		= 'A',
243 	HAB_MCA		= 'B',
244 	HAB_EISA	= 'C',
245 	HAB_NUBUS	= 'D',
246 	HAB_VESA	= 'E',
247 	HAB_PCI		= 'F'
248 } ha_type_t;
249 
250 typedef struct {
251 	u_int8_t	initiate_sync	: 1,
252 		 	parity_enable	: 1,
253 					: 6;
254 
255 	u_int8_t	bus_transfer_rate;
256 	u_int8_t	time_on_bus;
257 	u_int8_t	time_off_bus;
258 	u_int8_t	num_mboxes;
259 	u_int8_t	mbox_base_addr[3];
260 	targ_syncinfo_t	low_syncinfo[8];	/* For fast and ultra, use 8C */
261 	u_int8_t	low_discinfo;
262 	u_int8_t	customer_sig;
263 	u_int8_t	letter_d;
264 	u_int8_t	ha_type;
265 	u_int8_t	low_wide_allowed;
266 	u_int8_t	low_wide_active;
267 	targ_syncinfo_t	high_syncinfo[8];
268 	u_int8_t	high_discinfo;
269 	u_int8_t	high_wide_allowed;
270 	u_int8_t	high_wide_active;
271 } setup_data_t;
272 
273 typedef struct {
274 	u_int8_t phys_addr[3];
275 } write_adapter_lram_params_t;
276 
277 typedef struct {
278 	u_int8_t phys_addr[3];
279 } read_adapter_lram_params_t;
280 
281 typedef struct {
282 	u_int8_t phys_addr[3];
283 } write_chip_fifo_params_t;
284 
285 typedef struct {
286 	u_int8_t phys_addr[3];
287 } read_chip_fifo_params_t;
288 
289 typedef struct {
290 	u_int8_t length;		/* Excludes this member */
291 	u_int8_t low_disc_disable;
292 	u_int8_t low_busy_retry_disable;
293 	u_int8_t high_disc_disable;
294 	u_int8_t high_busy_retry_disable;
295 } set_adapter_options_params_t;
296 
297 typedef struct {
298 	u_int8_t targets[8];
299 } installed_hdevs_data_t;
300 
301 typedef struct {
302 	u_int8_t low_devs;
303 	u_int8_t high_devs;
304 } target_devs_data_t;
305 
306 typedef struct {
307 	u_int8_t enable;
308 } enable_hac_interrupt_params_t;
309 
310 typedef struct {
311 	u_int8_t num_boxes;
312 	u_int8_t base_addr[4];
313 } init_32b_mbox_params_t;
314 
315 typedef u_int8_t fw_ver_3dig_data_t;
316 
317 typedef u_int8_t fw_ver_4dig_data_t;
318 
319 typedef struct  {
320 	u_int8_t offset;
321 	u_int8_t response_len;
322 } fetch_lram_params_t;
323 
324 #define AUTO_SCSI_BYTE_OFFSET	64
325 typedef struct {
326 	u_int8_t	factory_sig[2];
327 	u_int8_t	auto_scsi_data_size;	/* 2 -> 64 bytes */
328 	u_int8_t	model_num[6];
329 	u_int8_t	adapter_ioport;
330 	u_int8_t	floppy_enabled	 :1,
331 			floppy_secondary :1,
332 			level_trigger	 :1,
333 					 :2,
334 			system_ram_area	 :3;
335 	u_int8_t	dma_channel	 :7,
336 			dma_autoconf	 :1;
337 	u_int8_t	irq_channel	 :7,
338 			irq_autoconf	 :1;
339 	u_int8_t	dma_trans_rate;
340 	u_int8_t	scsi_id;
341 	u_int8_t	low_termination	 :1,
342 			scsi_parity	 :1,
343 			high_termination :1,
344 			req_ack_filter	 :1,
345 			fast_sync	 :1,
346 			bus_reset	 :1,
347 					 :1,
348 			active_negation	 :1;
349 	u_int8_t	bus_on_delay;
350 	u_int8_t	bus_off_delay;
351 	u_int8_t	bios_enabled	 :1,
352 			int19h_redirect	 :1,
353 			extended_trans	 :1,
354 			removable_drives :1,
355 					 :1,
356 			morethan2disks	 :1,
357 			interrupt_mode	 :1,
358 			floptical_support:1;
359 	u_int8_t	low_device_enabled;
360 	u_int8_t	high_device_enabled;
361 	u_int8_t	low_wide_permitted;
362 	u_int8_t	high_wide_permitted;
363 	u_int8_t	low_fast_permitted;
364 	u_int8_t	high_fast_permitted;
365 	u_int8_t	low_sync_permitted;
366 	u_int8_t	high_sync_permitted;
367 	u_int8_t	low_disc_permitted;
368 	u_int8_t	high_disc_permitted;
369 	u_int8_t	low_send_start_unit;
370 	u_int8_t	high_send_start_unit;
371 	u_int8_t	low_ignore_in_bios_scan;
372 	u_int8_t	high_ignore_in_bios_scan;
373 	u_int8_t	pci_int_pin	 :2,
374 			host_ioport	 :2,
375 			round_robin	 :1,
376 			vesa_bus_over_33 :1,
377 			vesa_burst_write :1,
378 			vesa_burst_read	 :1;
379 	u_int8_t	low_ultra_permitted;
380 	u_int8_t	high_ultra_permitted;
381 	u_int8_t	reserved[5];
382 	u_int8_t	auto_scsi_max_lun;
383 	u_int8_t			 :1,
384 			scam_dominant	 :1,
385 			scam_enabled	 :1,
386 			scam_level2	 :1,
387 					 :4;
388 	u_int8_t	int13_extensions :1,
389 					 :1,
390 			cdrom_boot	 :1,
391 					 :2,
392 			multi_boot	 :1,
393 					 :2;
394 	u_int8_t	boot_target_id	 :4,
395 			boot_channel	 :4;
396 	u_int8_t	force_dev_scan	 :1,
397 					 :7;
398 	u_int8_t	low_tagged_lun_independance;
399 	u_int8_t	high_tagged_lun_independance;
400 	u_int8_t	low_renegotiate_after_cc;
401 	u_int8_t	high_renegotiate_after_cc;
402 	u_int8_t	reserverd2[10];
403 	u_int8_t	manufacturing_diagnotic[2];
404 	u_int8_t	checksum[2];
405 } auto_scsi_data_t;
406 
407 struct bt_isa_port {
408 	u_int16_t addr;
409 	u_int8_t  probed;
410 	u_int8_t  bio;
411 };
412 
413 extern struct bt_isa_port bt_isa_ports[];
414 
415 #define BT_NUM_ISAPORTS 6
416 
417 typedef enum {
418 	BIO_330		= 0,
419 	BIO_334		= 1,
420 	BIO_230		= 2,
421 	BIO_234		= 3,
422 	BIO_130		= 4,
423 	BIO_134		= 5,
424 	BIO_DISABLED	= 6,
425 	BIO_DISABLED2	= 7
426 } isa_compat_io_t;
427 
428 typedef struct {
429 	u_int8_t io_port;
430 	u_int8_t irq_num;
431 	u_int8_t low_byte_term	:1,
432 		 high_byte_term	:1,
433 		 		:2,
434 		 jp1_status	:1,
435 		 jp2_status	:1,
436 		 jp3_status	:1,
437 		 		:1;
438 	u_int8_t reserved;
439 } pci_info_data_t;
440 
441 typedef struct {
442 	u_int8_t ascii_model[5];	/* Fifth byte is always 0 */
443 } ha_model_data_t;
444 
445 typedef struct {
446 	u_int8_t sync_rate[16];		/* Sync in 10ns units */
447 } target_sync_info_data_t;
448 
449 typedef struct {
450 	u_int8_t  bus_type;
451 	u_int8_t  bios_addr;
452 	u_int16_t max_sg;
453 	u_int8_t  num_mboxes;
454 	u_int8_t  mbox_base[4];
455 	u_int8_t			:2,
456 		  sync_neg10MB		:1,
457 		  floppy_disable	:1,
458 		  floppy_secondary_port	:1,
459 		  burst_mode_enabled	:1,
460 		  level_trigger_ints	:1,
461 					:1;
462 	u_int8_t  fw_ver_bytes_2_to_4[3];
463 	u_int8_t  wide_bus		:1,
464 		  diff_bus		:1,
465 		  scam_capable		:1,
466 		  ultra_scsi		:1,
467 		  auto_term		:1,
468 		 			:3;
469 } esetup_info_data_t;
470 
471 typedef struct {
472 	u_int32_t len;
473 	u_int32_t addr;
474 } bt_sg_t;
475 
476 /********************** Mail Box definitions *******************************/
477 
478 typedef enum {
479 	BMBO_FREE		= 0x0,	/* MBO intry is free */
480 	BMBO_START		= 0x1,	/* MBO activate entry */
481 	BMBO_ABORT		= 0x2	/* MBO abort entry */
482 } bt_mbo_action_code_t;
483 
484 typedef struct bt_mbox_out {
485 	u_int32_t ccb_addr;
486 	u_int8_t  reserved[3];
487 	u_int8_t  action_code;
488 } bt_mbox_out_t;
489 
490 typedef enum {
491 	BMBI_FREE		= 0x0,	/* MBI entry is free */
492 	BMBI_OK			= 0x1,	/* completed without error */
493 	BMBI_ABORT		= 0x2,	/* aborted ccb */
494 	BMBI_NOT_FOUND		= 0x3,	/* Tried to abort invalid CCB */
495 	BMBI_ERROR		= 0x4	/* Completed with error */
496 } bt_mbi_comp_code_t;
497 
498 typedef struct bt_mbox_in {
499 	u_int32_t ccb_addr;
500 	u_int8_t  btstat;
501 	u_int8_t  sdstat;
502 	u_int8_t  reserved;
503 	u_int8_t  comp_code;
504 } bt_mbox_in_t;
505 
506 /***************** Compiled Probe Information *******************************/
507 struct bt_probe_info {
508 	int	drq;
509 	int	irq;
510 };
511 
512 /****************** Hardware CCB definition *********************************/
513 typedef enum {
514 	INITIATOR_CCB		= 0x00,
515 	INITIATOR_SG_CCB	= 0x02,
516 	INITIATOR_CCB_WRESID	= 0x03,
517 	INITIATOR_SG_CCB_WRESID	= 0x04,
518 	INITIATOR_BUS_DEV_RESET = 0x81
519 } bt_ccb_opcode_t;
520 
521 typedef enum {
522 	BTSTAT_NOERROR			= 0x00,
523 	BTSTAT_LINKED_CMD_COMPLETE	= 0x0A,
524 	BTSTAT_LINKED_CMD_FLAG_COMPLETE	= 0x0B,
525 	BTSTAT_DATAUNDERUN_ERROR	= 0x0C,
526 	BTSTAT_SELTIMEOUT		= 0x11,
527 	BTSTAT_DATARUN_ERROR		= 0x12,
528 	BTSTAT_UNEXPECTED_BUSFREE	= 0x13,
529 	BTSTAT_INVALID_PHASE		= 0x14,
530 	BTSTAT_INVALID_ACTION_CODE	= 0x15,
531 	BTSTAT_INVALID_OPCODE		= 0x16,
532 	BTSTAT_LINKED_CCB_LUN_MISMATCH	= 0x17,
533 	BTSTAT_INVALID_CCB_OR_SG_PARAM	= 0x1A,
534 	BTSTAT_AUTOSENSE_FAILED		= 0x1B,
535 	BTSTAT_TAGGED_MSG_REJECTED	= 0x1C,
536 	BTSTAT_UNSUPPORTED_MSG_RECEIVED	= 0x1D,
537 	BTSTAT_HARDWARE_FAILURE		= 0x20,
538 	BTSTAT_TARGET_IGNORED_ATN	= 0x21,
539 	BTSTAT_HA_SCSI_BUS_RESET	= 0x22,
540 	BTSTAT_OTHER_SCSI_BUS_RESET	= 0x23,
541 	BTSTAT_INVALID_RECONNECT	= 0x24,
542 	BTSTAT_HA_BDR			= 0x25,
543 	BTSTAT_ABORT_QUEUE_GENERATED	= 0x26,
544 	BTSTAT_HA_SOFTWARE_ERROR	= 0x27,
545 	BTSTAT_HA_WATCHDOG_ERROR	= 0x28,
546 	BTSTAT_SCSI_PERROR_DETECTED	= 0x30
547 } btstat_t;
548 
549 struct bt_hccb {
550 	u_int8_t  opcode;
551 	u_int8_t			:3,
552 		  datain		:1,
553 		  dataout		:1,
554 		  wide_tag_enable	:1,	/* Wide Lun CCB format */
555 		  wide_tag_type		:2;	/* Wide Lun CCB format */
556 	u_int8_t  cmd_len;
557 	u_int8_t  sense_len;
558 	int32_t	  data_len;			/* residuals can be negative */
559 	u_int32_t data_addr;
560 	u_int8_t  reserved[2];
561 	u_int8_t  btstat;
562 	u_int8_t  sdstat;
563 	u_int8_t  target_id;
564 	u_int8_t  target_lun	:5,
565 		  tag_enable	:1,
566 		  tag_type	:2;
567 	u_int8_t  scsi_cdb[12];
568 	u_int8_t  reserved2[6];
569 	u_int32_t sense_addr;
570 };
571 
572 typedef enum {
573 	BCCB_FREE		= 0x0,
574 	BCCB_ACTIVE		= 0x1,
575 	BCCB_DEVICE_RESET	= 0x2,
576 	BCCB_RELEASE_SIMQ	= 0x4
577 } bccb_flags_t;
578 
579 struct bt_ccb {
580 	struct	bt_hccb		 hccb;
581 	SLIST_ENTRY(bt_ccb)	 links;
582 	u_int32_t		 flags;
583 	union ccb		*ccb;
584 	bus_dmamap_t		 dmamap;
585 	bt_sg_t			*sg_list;
586 	u_int32_t		 sg_list_phys;
587 };
588 
589 struct sg_map_node {
590 	bus_dmamap_t		 sg_dmamap;
591 	bus_addr_t		 sg_physaddr;
592 	bt_sg_t*		 sg_vaddr;
593 	SLIST_ENTRY(sg_map_node) links;
594 };
595 
596 struct bt_softc {
597 	struct device		*dev;
598 	struct resource		*port;
599 	struct resource		*irq;
600 	struct resource		*drq;
601 	void			*ih;
602 	bus_space_tag_t		 tag;
603 	bus_space_handle_t	 bsh;
604 	struct	cam_sim		*sim;
605 	struct	cam_path	*path;
606 	bt_mbox_out_t		*cur_outbox;
607 	bt_mbox_in_t		*cur_inbox;
608 	bt_mbox_out_t		*last_outbox;
609 	bt_mbox_in_t		*last_inbox;
610 	struct	bt_ccb		*bt_ccb_array;
611 	SLIST_HEAD(,bt_ccb)	 free_bt_ccbs;
612 	LIST_HEAD(,ccb_hdr)	 pending_ccbs;
613 	u_int			 active_ccbs;
614 	u_int32_t		 bt_ccb_physbase;
615 	bt_mbox_in_t		*in_boxes;
616 	bt_mbox_out_t		*out_boxes;
617 	struct scsi_sense_data	*sense_buffers;
618 	u_int32_t		 sense_buffers_physbase;
619 	struct	bt_ccb		*recovery_bccb;
620 	u_int			 num_boxes;
621 	bus_dma_tag_t		 parent_dmat;	/*
622 						 * All dmat's derive from
623 						 * the dmat defined by our
624 						 * bus.
625 						 */
626 	bus_dma_tag_t		 buffer_dmat;	/* dmat for buffer I/O */
627 	bus_dma_tag_t		 mailbox_dmat;	/* dmat for our mailboxes */
628 	bus_dmamap_t		 mailbox_dmamap;
629 	bus_dma_tag_t		 ccb_dmat;	/* dmat for our ccb array */
630 	bus_dmamap_t		 ccb_dmamap;
631 	bus_dma_tag_t		 sg_dmat;	/* dmat for our sg segments */
632 	bus_dma_tag_t		 sense_dmat;	/* dmat for our sense buffers */
633 	bus_dmamap_t		 sense_dmamap;
634 	SLIST_HEAD(, sg_map_node) sg_maps;
635 	bus_addr_t		 mailbox_physbase;
636 	u_int			 num_ccbs;	/* Number of CCBs malloc'd */
637 	u_int			 max_ccbs;	/* Maximum allocatable CCBs */
638 	u_int			 max_sg;
639 	u_int			 unit;
640 	u_int			 scsi_id;
641 	u_int32_t		 extended_trans	   :1,
642 				 wide_bus	   :1,
643 				 diff_bus	   :1,
644 				 ultra_scsi	   :1,
645 				 extended_lun	   :1,
646 				 strict_rr	   :1,
647 				 tag_capable	   :1,
648 				 wide_lun_ccb	   :1,
649 				 resource_shortage :1,
650 				 level_trigger_ints:1,
651 						   :22;
652 	u_int16_t		 tags_permitted;
653 	u_int16_t		 disc_permitted;
654 	u_int16_t		 sync_permitted;
655 	u_int16_t		 fast_permitted;
656 	u_int16_t		 ultra_permitted;
657 	u_int16_t		 wide_permitted;
658 	u_int8_t		 init_level;
659 	volatile u_int8_t	 command_cmp;
660 	volatile u_int8_t	 latched_status;
661 	u_int32_t		 bios_addr;
662 	char			 firmware_ver[6];
663 	char			 model[5];
664 };
665 
666 extern u_long bt_unit;
667 
668 #define BT_TEMP_UNIT 0xFF		/* Unit for probes */
669 void			bt_init_softc(device_t dev,
670 				      struct resource *port,
671 				      struct resource *irq,
672 				      struct resource *drq);
673 void			bt_free_softc(device_t dev);
674 int			bt_port_probe(device_t dev,
675 				      struct bt_probe_info *info);
676 int			bt_probe(device_t dev);
677 int			bt_fetch_adapter_info(device_t dev);
678 int			bt_init(device_t dev);
679 int			bt_attach(device_t dev);
680 void			bt_intr(void *arg);
681 int			bt_check_probed_iop(u_int ioport);
682 void			bt_mark_probed_bio(isa_compat_io_t port);
683 void			bt_mark_probed_iop(u_int ioport);
684 void			bt_find_probe_range(int ioport,
685 					    int *port_index,
686 					    int *max_port_index);
687 
688 int			bt_iop_from_bio(isa_compat_io_t bio_index);
689 
690 #define DEFAULT_CMD_TIMEOUT 100000	/* 10 sec */
691 int			bt_cmd(struct bt_softc *bt, bt_op_t opcode,
692 			       u_int8_t *params, u_int param_len,
693 			       u_int8_t *reply_data, u_int reply_len,
694 			       u_int cmd_timeout);
695 
696 #define bt_name(bt)	device_get_nameunit(bt->dev)
697 
698 #define bt_inb(bt, port)				\
699 	bus_space_read_1((bt)->tag, (bt)->bsh, port)
700 
701 #define bt_outb(bt, port, value)			\
702 	bus_space_write_1((bt)->tag, (bt)->bsh, port, value)
703 
704 #endif	/* _BT_H_ */
705