xref: /freebsd/sys/cam/cam_ccb.h (revision 9fd69f37d28cfd7438cac3eeb45fe9dd46b4d7dd)
1 /*-
2  * Data structures and definitions for CAM Control Blocks (CCBs).
3  *
4  * Copyright (c) 1997, 1998 Justin T. Gibbs.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions, and the following disclaimer,
12  *    without modification, immediately at the beginning of the file.
13  * 2. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _CAM_CAM_CCB_H
32 #define _CAM_CAM_CCB_H 1
33 
34 #include <sys/queue.h>
35 #include <sys/cdefs.h>
36 #include <sys/time.h>
37 #include <sys/limits.h>
38 #ifndef _KERNEL
39 #include <sys/callout.h>
40 #endif
41 #include <cam/cam_debug.h>
42 #include <cam/scsi/scsi_all.h>
43 #include <cam/ata/ata_all.h>
44 
45 
46 /* General allocation length definitions for CCB structures */
47 #define	IOCDBLEN	CAM_MAX_CDBLEN	/* Space for CDB bytes/pointer */
48 #define	VUHBALEN	14		/* Vendor Unique HBA length */
49 #define	SIM_IDLEN	16		/* ASCII string len for SIM ID */
50 #define	HBA_IDLEN	16		/* ASCII string len for HBA ID */
51 #define	DEV_IDLEN	16		/* ASCII string len for device names */
52 #define CCB_PERIPH_PRIV_SIZE 	2	/* size of peripheral private area */
53 #define CCB_SIM_PRIV_SIZE 	2	/* size of sim private area */
54 
55 /* Struct definitions for CAM control blocks */
56 
57 /* Common CCB header */
58 /* CAM CCB flags */
59 typedef enum {
60 	CAM_CDB_POINTER		= 0x00000001,/* The CDB field is a pointer    */
61 	CAM_QUEUE_ENABLE	= 0x00000002,/* SIM queue actions are enabled */
62 	CAM_CDB_LINKED		= 0x00000004,/* CCB contains a linked CDB     */
63 	CAM_NEGOTIATE		= 0x00000008,/*
64 					      * Perform transport negotiation
65 					      * with this command.
66 					      */
67 	CAM_SCATTER_VALID	= 0x00000010,/* Scatter/gather list is valid  */
68 	CAM_DIS_AUTOSENSE	= 0x00000020,/* Disable autosense feature     */
69 	CAM_DIR_RESV		= 0x00000000,/* Data direction (00:reserved)  */
70 	CAM_DIR_IN		= 0x00000040,/* Data direction (01:DATA IN)   */
71 	CAM_DIR_OUT		= 0x00000080,/* Data direction (10:DATA OUT)  */
72 	CAM_DIR_NONE		= 0x000000C0,/* Data direction (11:no data)   */
73 	CAM_DIR_MASK		= 0x000000C0,/* Data direction Mask	      */
74 	CAM_SOFT_RST_OP		= 0x00000100,/* Use Soft reset alternative    */
75 	CAM_ENG_SYNC		= 0x00000200,/* Flush resid bytes on complete */
76 	CAM_DEV_QFRZDIS		= 0x00000400,/* Disable DEV Q freezing	      */
77 	CAM_DEV_QFREEZE		= 0x00000800,/* Freeze DEV Q on execution     */
78 	CAM_HIGH_POWER		= 0x00001000,/* Command takes a lot of power  */
79 	CAM_SENSE_PTR		= 0x00002000,/* Sense data is a pointer	      */
80 	CAM_SENSE_PHYS		= 0x00004000,/* Sense pointer is physical addr*/
81 	CAM_TAG_ACTION_VALID	= 0x00008000,/* Use the tag action in this ccb*/
82 	CAM_PASS_ERR_RECOVER	= 0x00010000,/* Pass driver does err. recovery*/
83 	CAM_DIS_DISCONNECT	= 0x00020000,/* Disable disconnect	      */
84 	CAM_SG_LIST_PHYS	= 0x00040000,/* SG list has physical addrs.   */
85 	CAM_MSG_BUF_PHYS	= 0x00080000,/* Message buffer ptr is physical*/
86 	CAM_SNS_BUF_PHYS	= 0x00100000,/* Autosense data ptr is physical*/
87 	CAM_DATA_PHYS		= 0x00200000,/* SG/Buffer data ptrs are phys. */
88 	CAM_CDB_PHYS		= 0x00400000,/* CDB poiner is physical	      */
89 	CAM_ENG_SGLIST		= 0x00800000,/* SG list is for the HBA engine */
90 
91 /* Phase cognizant mode flags */
92 	CAM_DIS_AUTOSRP		= 0x01000000,/* Disable autosave/restore ptrs */
93 	CAM_DIS_AUTODISC	= 0x02000000,/* Disable auto disconnect	      */
94 	CAM_TGT_CCB_AVAIL	= 0x04000000,/* Target CCB available	      */
95 	CAM_TGT_PHASE_MODE	= 0x08000000,/* The SIM runs in phase mode    */
96 	CAM_MSGB_VALID		= 0x10000000,/* Message buffer valid	      */
97 	CAM_STATUS_VALID	= 0x20000000,/* Status buffer valid	      */
98 	CAM_DATAB_VALID		= 0x40000000,/* Data buffer valid	      */
99 
100 /* Host target Mode flags */
101 	CAM_SEND_SENSE		= 0x08000000,/* Send sense data with status   */
102 	CAM_TERM_IO		= 0x10000000,/* Terminate I/O Message sup.    */
103 	CAM_DISCONNECT		= 0x20000000,/* Disconnects are mandatory     */
104 	CAM_SEND_STATUS		= 0x40000000 /* Send status after data phase  */
105 } ccb_flags;
106 
107 /* XPT Opcodes for xpt_action */
108 typedef enum {
109 /* Function code flags are bits greater than 0xff */
110 	XPT_FC_QUEUED		= 0x100,
111 				/* Non-immediate function code */
112 	XPT_FC_USER_CCB		= 0x200,
113 	XPT_FC_XPT_ONLY		= 0x400,
114 				/* Only for the transport layer device */
115 	XPT_FC_DEV_QUEUED	= 0x800 | XPT_FC_QUEUED,
116 				/* Passes through the device queues */
117 /* Common function commands: 0x00->0x0F */
118 	XPT_NOOP 		= 0x00,
119 				/* Execute Nothing */
120 	XPT_SCSI_IO		= 0x01 | XPT_FC_DEV_QUEUED,
121 				/* Execute the requested I/O operation */
122 	XPT_GDEV_TYPE		= 0x02,
123 				/* Get type information for specified device */
124 	XPT_GDEVLIST		= 0x03,
125 				/* Get a list of peripheral devices */
126 	XPT_PATH_INQ		= 0x04,
127 				/* Path routing inquiry */
128 	XPT_REL_SIMQ		= 0x05,
129 				/* Release a frozen device queue */
130 	XPT_SASYNC_CB		= 0x06,
131 				/* Set Asynchronous Callback Parameters */
132 	XPT_SDEV_TYPE		= 0x07,
133 				/* Set device type information */
134 	XPT_SCAN_BUS		= 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB
135 				       | XPT_FC_XPT_ONLY,
136 				/* (Re)Scan the SCSI Bus */
137 	XPT_DEV_MATCH		= 0x09 | XPT_FC_XPT_ONLY,
138 				/* Get EDT entries matching the given pattern */
139 	XPT_DEBUG		= 0x0a,
140 				/* Turn on debugging for a bus, target or lun */
141 	XPT_PATH_STATS		= 0x0b,
142 				/* Path statistics (error counts, etc.) */
143 	XPT_GDEV_STATS		= 0x0c,
144 				/* Device statistics (error counts, etc.) */
145 	XPT_FREEZE_QUEUE	= 0x0d,
146 				/* Freeze device queue */
147 /* SCSI Control Functions: 0x10->0x1F */
148 	XPT_ABORT		= 0x10,
149 				/* Abort the specified CCB */
150 	XPT_RESET_BUS		= 0x11 | XPT_FC_XPT_ONLY,
151 				/* Reset the specified SCSI bus */
152 	XPT_RESET_DEV		= 0x12 | XPT_FC_DEV_QUEUED,
153 				/* Bus Device Reset the specified SCSI device */
154 	XPT_TERM_IO		= 0x13,
155 				/* Terminate the I/O process */
156 	XPT_SCAN_LUN		= 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB
157 				       | XPT_FC_XPT_ONLY,
158 				/* Scan Logical Unit */
159 	XPT_GET_TRAN_SETTINGS	= 0x15,
160 				/*
161 				 * Get default/user transfer settings
162 				 * for the target
163 				 */
164 	XPT_SET_TRAN_SETTINGS	= 0x16,
165 				/*
166 				 * Set transfer rate/width
167 				 * negotiation settings
168 				 */
169 	XPT_CALC_GEOMETRY	= 0x17,
170 				/*
171 				 * Calculate the geometry parameters for
172 				 * a device give the sector size and
173 				 * volume size.
174 				 */
175 	XPT_ATA_IO		= 0x18 | XPT_FC_DEV_QUEUED,
176 				/* Execute the requested ATA I/O operation */
177 
178 	XPT_GET_SIM_KNOB	= 0x18,
179 				/*
180 				 * Get SIM specific knob values.
181 				 */
182 
183 	XPT_SET_SIM_KNOB	= 0x19,
184 				/*
185 				 * Set SIM specific knob values.
186 				 */
187 /* HBA engine commands 0x20->0x2F */
188 	XPT_ENG_INQ		= 0x20 | XPT_FC_XPT_ONLY,
189 				/* HBA engine feature inquiry */
190 	XPT_ENG_EXEC		= 0x21 | XPT_FC_DEV_QUEUED,
191 				/* HBA execute engine request */
192 
193 /* Target mode commands: 0x30->0x3F */
194 	XPT_EN_LUN		= 0x30,
195 				/* Enable LUN as a target */
196 	XPT_TARGET_IO		= 0x31 | XPT_FC_DEV_QUEUED,
197 				/* Execute target I/O request */
198 	XPT_ACCEPT_TARGET_IO	= 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
199 				/* Accept Host Target Mode CDB */
200 	XPT_CONT_TARGET_IO	= 0x33 | XPT_FC_DEV_QUEUED,
201 				/* Continue Host Target I/O Connection */
202 	XPT_IMMED_NOTIFY	= 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
203 				/* Notify Host Target driver of event (obsolete) */
204 	XPT_NOTIFY_ACK		= 0x35,
205 				/* Acknowledgement of event (obsolete) */
206 	XPT_IMMEDIATE_NOTIFY	= 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
207 				/* Notify Host Target driver of event */
208 	XPT_NOTIFY_ACKNOWLEDGE	= 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
209 				/* Acknowledgement of event */
210 
211 /* Vendor Unique codes: 0x80->0x8F */
212 	XPT_VUNIQUE		= 0x80
213 } xpt_opcode;
214 
215 #define XPT_FC_GROUP_MASK		0xF0
216 #define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK)
217 #define XPT_FC_GROUP_COMMON		0x00
218 #define XPT_FC_GROUP_SCSI_CONTROL	0x10
219 #define XPT_FC_GROUP_HBA_ENGINE		0x20
220 #define XPT_FC_GROUP_TMODE		0x30
221 #define XPT_FC_GROUP_VENDOR_UNIQUE	0x80
222 
223 #define XPT_FC_IS_DEV_QUEUED(ccb) 	\
224     (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED)
225 #define XPT_FC_IS_QUEUED(ccb) 	\
226     (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0)
227 
228 typedef enum {
229 	PROTO_UNKNOWN,
230 	PROTO_UNSPECIFIED,
231 	PROTO_SCSI,	/* Small Computer System Interface */
232 	PROTO_ATA,	/* AT Attachment */
233 	PROTO_ATAPI,	/* AT Attachment Packetized Interface */
234 	PROTO_SATAPM,	/* SATA Port Multiplier */
235 } cam_proto;
236 
237 typedef enum {
238 	XPORT_UNKNOWN,
239 	XPORT_UNSPECIFIED,
240 	XPORT_SPI,	/* SCSI Parallel Interface */
241 	XPORT_FC,	/* Fiber Channel */
242 	XPORT_SSA,	/* Serial Storage Architecture */
243 	XPORT_USB,	/* Universal Serial Bus */
244 	XPORT_PPB,	/* Parallel Port Bus */
245 	XPORT_ATA,	/* AT Attachment */
246 	XPORT_SAS,	/* Serial Attached SCSI */
247 	XPORT_SATA,	/* Serial AT Attachment */
248 	XPORT_ISCSI,	/* iSCSI */
249 } cam_xport;
250 
251 #define PROTO_VERSION_UNKNOWN (UINT_MAX - 1)
252 #define PROTO_VERSION_UNSPECIFIED UINT_MAX
253 #define XPORT_VERSION_UNKNOWN (UINT_MAX - 1)
254 #define XPORT_VERSION_UNSPECIFIED UINT_MAX
255 
256 typedef union {
257 	LIST_ENTRY(ccb_hdr) le;
258 	SLIST_ENTRY(ccb_hdr) sle;
259 	TAILQ_ENTRY(ccb_hdr) tqe;
260 	STAILQ_ENTRY(ccb_hdr) stqe;
261 } camq_entry;
262 
263 typedef union {
264 	void		*ptr;
265 	u_long		field;
266 	u_int8_t	bytes[sizeof(uintptr_t)];
267 } ccb_priv_entry;
268 
269 typedef union {
270 	ccb_priv_entry	entries[CCB_PERIPH_PRIV_SIZE];
271 	u_int8_t	bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)];
272 } ccb_ppriv_area;
273 
274 typedef union {
275 	ccb_priv_entry	entries[CCB_SIM_PRIV_SIZE];
276 	u_int8_t	bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)];
277 } ccb_spriv_area;
278 
279 struct ccb_hdr {
280 	cam_pinfo	pinfo;		/* Info for priority scheduling */
281 	camq_entry	xpt_links;	/* For chaining in the XPT layer */
282 	camq_entry	sim_links;	/* For chaining in the SIM layer */
283 	camq_entry	periph_links;	/* For chaining in the type driver */
284 	u_int32_t	retry_count;
285 	void		(*cbfcnp)(struct cam_periph *, union ccb *);
286 					/* Callback on completion function */
287 	xpt_opcode	func_code;	/* XPT function code */
288 	u_int32_t	status;		/* Status returned by CAM subsystem */
289 	struct		cam_path *path;	/* Compiled path for this ccb */
290 	path_id_t	path_id;	/* Path ID for the request */
291 	target_id_t	target_id;	/* Target device ID */
292 	lun_id_t	target_lun;	/* Target LUN number */
293 	u_int32_t	flags;		/* ccb_flags */
294 	ccb_ppriv_area	periph_priv;
295 	ccb_spriv_area	sim_priv;
296 	u_int32_t	timeout;	/* Timeout value */
297 
298 	/*
299 	 * Deprecated, only for use by non-MPSAFE SIMs.  All others must
300 	 * allocate and initialize their own callout storage.
301 	 */
302 	struct		callout_handle timeout_ch;
303 };
304 
305 /* Get Device Information CCB */
306 struct ccb_getdev {
307 	struct	  ccb_hdr ccb_h;
308 	cam_proto protocol;
309 	struct scsi_inquiry_data inq_data;
310 	struct ata_params ident_data;
311 	u_int8_t  serial_num[252];
312 	u_int8_t  inq_flags;
313 	u_int8_t  serial_num_len;
314 };
315 
316 /* Device Statistics CCB */
317 struct ccb_getdevstats {
318 	struct	ccb_hdr	ccb_h;
319 	int	dev_openings;	/* Space left for more work on device*/
320 	int	dev_active;	/* Transactions running on the device */
321 	int	devq_openings;	/* Space left for more queued work */
322 	int	devq_queued;	/* Transactions queued to be sent */
323 	int	held;		/*
324 				 * CCBs held by peripheral drivers
325 				 * for this device
326 				 */
327 	int	maxtags;	/*
328 				 * Boundary conditions for number of
329 				 * tagged operations
330 				 */
331 	int	mintags;
332 	struct	timeval last_reset;	/* Time of last bus reset/loop init */
333 };
334 
335 typedef enum {
336 	CAM_GDEVLIST_LAST_DEVICE,
337 	CAM_GDEVLIST_LIST_CHANGED,
338 	CAM_GDEVLIST_MORE_DEVS,
339 	CAM_GDEVLIST_ERROR
340 } ccb_getdevlist_status_e;
341 
342 struct ccb_getdevlist {
343 	struct ccb_hdr		ccb_h;
344 	char 			periph_name[DEV_IDLEN];
345 	u_int32_t		unit_number;
346 	unsigned int		generation;
347 	u_int32_t		index;
348 	ccb_getdevlist_status_e	status;
349 };
350 
351 typedef enum {
352 	PERIPH_MATCH_NONE	= 0x000,
353 	PERIPH_MATCH_PATH	= 0x001,
354 	PERIPH_MATCH_TARGET	= 0x002,
355 	PERIPH_MATCH_LUN	= 0x004,
356 	PERIPH_MATCH_NAME	= 0x008,
357 	PERIPH_MATCH_UNIT	= 0x010,
358 	PERIPH_MATCH_ANY	= 0x01f
359 } periph_pattern_flags;
360 
361 struct periph_match_pattern {
362 	char			periph_name[DEV_IDLEN];
363 	u_int32_t		unit_number;
364 	path_id_t		path_id;
365 	target_id_t		target_id;
366 	lun_id_t		target_lun;
367 	periph_pattern_flags	flags;
368 };
369 
370 typedef enum {
371 	DEV_MATCH_NONE		= 0x000,
372 	DEV_MATCH_PATH		= 0x001,
373 	DEV_MATCH_TARGET	= 0x002,
374 	DEV_MATCH_LUN		= 0x004,
375 	DEV_MATCH_INQUIRY	= 0x008,
376 	DEV_MATCH_ANY		= 0x00f
377 } dev_pattern_flags;
378 
379 struct device_match_pattern {
380 	path_id_t				path_id;
381 	target_id_t				target_id;
382 	lun_id_t				target_lun;
383 	struct scsi_static_inquiry_pattern	inq_pat;
384 	dev_pattern_flags			flags;
385 };
386 
387 typedef enum {
388 	BUS_MATCH_NONE		= 0x000,
389 	BUS_MATCH_PATH		= 0x001,
390 	BUS_MATCH_NAME		= 0x002,
391 	BUS_MATCH_UNIT		= 0x004,
392 	BUS_MATCH_BUS_ID	= 0x008,
393 	BUS_MATCH_ANY		= 0x00f
394 } bus_pattern_flags;
395 
396 struct bus_match_pattern {
397 	path_id_t		path_id;
398 	char			dev_name[DEV_IDLEN];
399 	u_int32_t		unit_number;
400 	u_int32_t		bus_id;
401 	bus_pattern_flags	flags;
402 };
403 
404 union match_pattern {
405 	struct periph_match_pattern	periph_pattern;
406 	struct device_match_pattern	device_pattern;
407 	struct bus_match_pattern	bus_pattern;
408 };
409 
410 typedef enum {
411 	DEV_MATCH_PERIPH,
412 	DEV_MATCH_DEVICE,
413 	DEV_MATCH_BUS
414 } dev_match_type;
415 
416 struct dev_match_pattern {
417 	dev_match_type		type;
418 	union match_pattern	pattern;
419 };
420 
421 struct periph_match_result {
422 	char			periph_name[DEV_IDLEN];
423 	u_int32_t		unit_number;
424 	path_id_t		path_id;
425 	target_id_t		target_id;
426 	lun_id_t		target_lun;
427 };
428 
429 typedef enum {
430 	DEV_RESULT_NOFLAG		= 0x00,
431 	DEV_RESULT_UNCONFIGURED		= 0x01
432 } dev_result_flags;
433 
434 struct device_match_result {
435 	path_id_t			path_id;
436 	target_id_t			target_id;
437 	lun_id_t			target_lun;
438 	cam_proto			protocol;
439 	struct scsi_inquiry_data	inq_data;
440 	struct ata_params		ident_data;
441 	dev_result_flags		flags;
442 };
443 
444 struct bus_match_result {
445 	path_id_t	path_id;
446 	char		dev_name[DEV_IDLEN];
447 	u_int32_t	unit_number;
448 	u_int32_t	bus_id;
449 };
450 
451 union match_result {
452 	struct periph_match_result	periph_result;
453 	struct device_match_result	device_result;
454 	struct bus_match_result		bus_result;
455 };
456 
457 struct dev_match_result {
458 	dev_match_type		type;
459 	union match_result	result;
460 };
461 
462 typedef enum {
463 	CAM_DEV_MATCH_LAST,
464 	CAM_DEV_MATCH_MORE,
465 	CAM_DEV_MATCH_LIST_CHANGED,
466 	CAM_DEV_MATCH_SIZE_ERROR,
467 	CAM_DEV_MATCH_ERROR
468 } ccb_dev_match_status;
469 
470 typedef enum {
471 	CAM_DEV_POS_NONE	= 0x000,
472 	CAM_DEV_POS_BUS		= 0x001,
473 	CAM_DEV_POS_TARGET	= 0x002,
474 	CAM_DEV_POS_DEVICE	= 0x004,
475 	CAM_DEV_POS_PERIPH	= 0x008,
476 	CAM_DEV_POS_PDPTR	= 0x010,
477 	CAM_DEV_POS_TYPEMASK	= 0xf00,
478 	CAM_DEV_POS_EDT		= 0x100,
479 	CAM_DEV_POS_PDRV	= 0x200
480 } dev_pos_type;
481 
482 struct ccb_dm_cookie {
483 	void 	*bus;
484 	void	*target;
485 	void	*device;
486 	void	*periph;
487 	void	*pdrv;
488 };
489 
490 struct ccb_dev_position {
491 	u_int			generations[4];
492 #define	CAM_BUS_GENERATION	0x00
493 #define CAM_TARGET_GENERATION	0x01
494 #define CAM_DEV_GENERATION	0x02
495 #define CAM_PERIPH_GENERATION	0x03
496 	dev_pos_type		position_type;
497 	struct ccb_dm_cookie	cookie;
498 };
499 
500 struct ccb_dev_match {
501 	struct ccb_hdr			ccb_h;
502 	ccb_dev_match_status		status;
503 	u_int32_t			num_patterns;
504 	u_int32_t			pattern_buf_len;
505 	struct dev_match_pattern	*patterns;
506 	u_int32_t			num_matches;
507 	u_int32_t			match_buf_len;
508 	struct dev_match_result		*matches;
509 	struct ccb_dev_position		pos;
510 };
511 
512 /*
513  * Definitions for the path inquiry CCB fields.
514  */
515 #define CAM_VERSION	0x15	/* Hex value for current version */
516 
517 typedef enum {
518 	PI_MDP_ABLE	= 0x80,	/* Supports MDP message */
519 	PI_WIDE_32	= 0x40,	/* Supports 32 bit wide SCSI */
520 	PI_WIDE_16	= 0x20, /* Supports 16 bit wide SCSI */
521 	PI_SDTR_ABLE	= 0x10,	/* Supports SDTR message */
522 	PI_LINKED_CDB	= 0x08, /* Supports linked CDBs */
523 	PI_SATAPM	= 0x04,	/* Supports SATA PM */
524 	PI_TAG_ABLE	= 0x02,	/* Supports tag queue messages */
525 	PI_SOFT_RST	= 0x01	/* Supports soft reset alternative */
526 } pi_inqflag;
527 
528 typedef enum {
529 	PIT_PROCESSOR	= 0x80,	/* Target mode processor mode */
530 	PIT_PHASE	= 0x40,	/* Target mode phase cog. mode */
531 	PIT_DISCONNECT	= 0x20,	/* Disconnects supported in target mode */
532 	PIT_TERM_IO	= 0x10,	/* Terminate I/O message supported in TM */
533 	PIT_GRP_6	= 0x08,	/* Group 6 commands supported */
534 	PIT_GRP_7	= 0x04	/* Group 7 commands supported */
535 } pi_tmflag;
536 
537 typedef enum {
538 	PIM_SCANHILO	= 0x80,	/* Bus scans from high ID to low ID */
539 	PIM_NOREMOVE	= 0x40,	/* Removeable devices not included in scan */
540 	PIM_NOINITIATOR	= 0x20,	/* Initiator role not supported. */
541 	PIM_NOBUSRESET	= 0x10,	/* User has disabled initial BUS RESET */
542 	PIM_NO_6_BYTE	= 0x08,	/* Do not send 6-byte commands */
543 	PIM_SEQSCAN	= 0x04	/* Do bus scans sequentially, not in parallel */
544 } pi_miscflag;
545 
546 /* Path Inquiry CCB */
547 struct ccb_pathinq_settings_spi {
548 	u_int8_t ppr_options;
549 };
550 
551 struct ccb_pathinq_settings_fc {
552 	u_int64_t wwnn;		/* world wide node name */
553 	u_int64_t wwpn;		/* world wide port name */
554 	u_int32_t port;		/* 24 bit port id, if known */
555 	u_int32_t bitrate;	/* Mbps */
556 };
557 
558 struct ccb_pathinq_settings_sas {
559 	u_int32_t bitrate;	/* Mbps */
560 };
561 #define	PATHINQ_SETTINGS_SIZE	128
562 
563 struct ccb_pathinq {
564 	struct 	    ccb_hdr ccb_h;
565 	u_int8_t    version_num;	/* Version number for the SIM/HBA */
566 	u_int8_t    hba_inquiry;	/* Mimic of INQ byte 7 for the HBA */
567 	u_int8_t    target_sprt;	/* Flags for target mode support */
568 	u_int8_t    hba_misc;		/* Misc HBA features */
569 	u_int16_t   hba_eng_cnt;	/* HBA engine count */
570 					/* Vendor Unique capabilities */
571 	u_int8_t    vuhba_flags[VUHBALEN];
572 	u_int32_t   max_target;		/* Maximum supported Target */
573 	u_int32_t   max_lun;		/* Maximum supported Lun */
574 	u_int32_t   async_flags;	/* Installed Async handlers */
575 	path_id_t   hpath_id;		/* Highest Path ID in the subsystem */
576 	target_id_t initiator_id;	/* ID of the HBA on the SCSI bus */
577 	char	    sim_vid[SIM_IDLEN];	/* Vendor ID of the SIM */
578 	char	    hba_vid[HBA_IDLEN];	/* Vendor ID of the HBA */
579 	char 	    dev_name[DEV_IDLEN];/* Device name for SIM */
580 	u_int32_t   unit_number;	/* Unit number for SIM */
581 	u_int32_t   bus_id;		/* Bus ID for SIM */
582 	u_int32_t   base_transfer_speed;/* Base bus speed in KB/sec */
583 	cam_proto   protocol;
584 	u_int	    protocol_version;
585 	cam_xport   transport;
586 	u_int	    transport_version;
587 	union {
588 		struct ccb_pathinq_settings_spi spi;
589 		struct ccb_pathinq_settings_fc fc;
590 		struct ccb_pathinq_settings_sas sas;
591 		char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE];
592 	} xport_specific;
593 	u_int		maxio;		/* Max supported I/O size, in bytes. */
594 };
595 
596 /* Path Statistics CCB */
597 struct ccb_pathstats {
598 	struct	ccb_hdr	ccb_h;
599 	struct	timeval last_reset;	/* Time of last bus reset/loop init */
600 };
601 
602 typedef union {
603 	u_int8_t *sense_ptr;		/*
604 					 * Pointer to storage
605 					 * for sense information
606 					 */
607 	                                /* Storage Area for sense information */
608 	struct	 scsi_sense_data sense_buf;
609 } sense_t;
610 
611 typedef union {
612 	u_int8_t  *cdb_ptr;		/* Pointer to the CDB bytes to send */
613 					/* Area for the CDB send */
614 	u_int8_t  cdb_bytes[IOCDBLEN];
615 } cdb_t;
616 
617 /*
618  * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO
619  * function codes.
620  */
621 struct ccb_scsiio {
622 	struct	   ccb_hdr ccb_h;
623 	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
624 	u_int8_t   *req_map;		/* Ptr to mapping info */
625 	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
626 	u_int32_t  dxfer_len;		/* Data transfer length */
627 					/* Autosense storage */
628 	struct     scsi_sense_data sense_data;
629 	u_int8_t   sense_len;		/* Number of bytes to autosense */
630 	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
631 	u_int16_t  sglist_cnt;		/* Number of SG list entries */
632 	u_int8_t   scsi_status;		/* Returned SCSI status */
633 	u_int8_t   sense_resid;		/* Autosense resid length: 2's comp */
634 	u_int32_t  resid;		/* Transfer residual length: 2's comp */
635 	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
636 	u_int8_t   *msg_ptr;		/* Pointer to the message buffer */
637 	u_int16_t  msg_len;		/* Number of bytes for the Message */
638 	u_int8_t   tag_action;		/* What to do for tag queueing */
639 	/*
640 	 * The tag action should be either the define below (to send a
641 	 * non-tagged transaction) or one of the defined scsi tag messages
642 	 * from scsi_message.h.
643 	 */
644 #define		CAM_TAG_ACTION_NONE	0x00
645 	u_int	   tag_id;		/* tag id from initator (target mode) */
646 	u_int	   init_id;		/* initiator id of who selected */
647 };
648 
649 /*
650  * ATA I/O Request CCB used for the XPT_ATA_IO function code.
651  */
652 struct ccb_ataio {
653 	struct	   ccb_hdr ccb_h;
654 	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
655 	struct ata_cmd	cmd;		/* ATA command register set */
656 	struct ata_res	res;		/* ATA result register set */
657 	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
658 	u_int32_t  dxfer_len;		/* Data transfer length */
659 	u_int32_t  resid;		/* Transfer residual length: 2's comp */
660 	u_int8_t   tag_action;		/* What to do for tag queueing */
661 	/*
662 	 * The tag action should be either the define below (to send a
663 	 * non-tagged transaction) or one of the defined scsi tag messages
664 	 * from scsi_message.h.
665 	 */
666 #define		CAM_TAG_ACTION_NONE	0x00
667 	u_int	   tag_id;		/* tag id from initator (target mode) */
668 	u_int	   init_id;		/* initiator id of who selected */
669 };
670 
671 struct ccb_accept_tio {
672 	struct	   ccb_hdr ccb_h;
673 	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
674 	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
675 	u_int8_t   tag_action;		/* What to do for tag queueing */
676 	u_int8_t   sense_len;		/* Number of bytes of Sense Data */
677 	u_int      tag_id;		/* tag id from initator (target mode) */
678 	u_int      init_id;		/* initiator id of who selected */
679 	struct     scsi_sense_data sense_data;
680 };
681 
682 /* Release SIM Queue */
683 struct ccb_relsim {
684 	struct ccb_hdr ccb_h;
685 	u_int32_t      release_flags;
686 #define RELSIM_ADJUST_OPENINGS		0x01
687 #define RELSIM_RELEASE_AFTER_TIMEOUT	0x02
688 #define RELSIM_RELEASE_AFTER_CMDCMPLT	0x04
689 #define RELSIM_RELEASE_AFTER_QEMPTY	0x08
690 #define RELSIM_RELEASE_RUNLEVEL		0x10
691 	u_int32_t      openings;
692 	u_int32_t      release_timeout;	/* Abstract argument. */
693 	u_int32_t      qfrozen_cnt;
694 };
695 
696 /*
697  * Definitions for the asynchronous callback CCB fields.
698  */
699 typedef enum {
700 	AC_CONTRACT		= 0x1000,/* A contractual callback */
701 	AC_GETDEV_CHANGED	= 0x800,/* Getdev info might have changed */
702 	AC_INQ_CHANGED		= 0x400,/* Inquiry info might have changed */
703 	AC_TRANSFER_NEG		= 0x200,/* New transfer settings in effect */
704 	AC_LOST_DEVICE		= 0x100,/* A device went away */
705 	AC_FOUND_DEVICE		= 0x080,/* A new device was found */
706 	AC_PATH_DEREGISTERED	= 0x040,/* A path has de-registered */
707 	AC_PATH_REGISTERED	= 0x020,/* A new path has been registered */
708 	AC_SENT_BDR		= 0x010,/* A BDR message was sent to target */
709 	AC_SCSI_AEN		= 0x008,/* A SCSI AEN has been received */
710 	AC_UNSOL_RESEL		= 0x002,/* Unsolicited reselection occurred */
711 	AC_BUS_RESET		= 0x001	/* A SCSI bus reset occurred */
712 } ac_code;
713 
714 typedef void ac_callback_t (void *softc, u_int32_t code,
715 			    struct cam_path *path, void *args);
716 
717 /*
718  * Generic Asynchronous callbacks.
719  *
720  * Generic arguments passed bac which are then interpreted between a per-system
721  * contract number.
722  */
723 #define	AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t))
724 struct ac_contract {
725 	u_int64_t	contract_number;
726 	u_int8_t	contract_data[AC_CONTRACT_DATA_MAX];
727 };
728 
729 #define	AC_CONTRACT_DEV_CHG	1
730 struct ac_device_changed {
731 	u_int64_t	wwpn;
732 	u_int32_t	port;
733 	target_id_t	target;
734 	u_int8_t	arrived;
735 };
736 
737 /* Set Asynchronous Callback CCB */
738 struct ccb_setasync {
739 	struct ccb_hdr	 ccb_h;
740 	u_int32_t	 event_enable;	/* Async Event enables */
741 	ac_callback_t	*callback;
742 	void		*callback_arg;
743 };
744 
745 /* Set Device Type CCB */
746 struct ccb_setdev {
747 	struct	   ccb_hdr ccb_h;
748 	u_int8_t   dev_type;	/* Value for dev type field in EDT */
749 };
750 
751 /* SCSI Control Functions */
752 
753 /* Abort XPT request CCB */
754 struct ccb_abort {
755 	struct 	ccb_hdr ccb_h;
756 	union	ccb *abort_ccb;	/* Pointer to CCB to abort */
757 };
758 
759 /* Reset SCSI Bus CCB */
760 struct ccb_resetbus {
761 	struct	ccb_hdr ccb_h;
762 };
763 
764 /* Reset SCSI Device CCB */
765 struct ccb_resetdev {
766 	struct	ccb_hdr ccb_h;
767 };
768 
769 /* Terminate I/O Process Request CCB */
770 struct ccb_termio {
771 	struct	ccb_hdr ccb_h;
772 	union	ccb *termio_ccb;	/* Pointer to CCB to terminate */
773 };
774 
775 typedef enum {
776 	CTS_TYPE_CURRENT_SETTINGS,
777 	CTS_TYPE_USER_SETTINGS
778 } cts_type;
779 
780 struct ccb_trans_settings_scsi
781 {
782 	u_int	valid;	/* Which fields to honor */
783 #define	CTS_SCSI_VALID_TQ		0x01
784 	u_int	flags;
785 #define	CTS_SCSI_FLAGS_TAG_ENB		0x01
786 };
787 
788 struct ccb_trans_settings_spi
789 {
790 	u_int	  valid;	/* Which fields to honor */
791 #define	CTS_SPI_VALID_SYNC_RATE		0x01
792 #define	CTS_SPI_VALID_SYNC_OFFSET	0x02
793 #define	CTS_SPI_VALID_BUS_WIDTH		0x04
794 #define	CTS_SPI_VALID_DISC		0x08
795 #define CTS_SPI_VALID_PPR_OPTIONS	0x10
796 	u_int	flags;
797 #define	CTS_SPI_FLAGS_DISC_ENB		0x01
798 	u_int	sync_period;
799 	u_int	sync_offset;
800 	u_int	bus_width;
801 	u_int	ppr_options;
802 };
803 
804 struct ccb_trans_settings_fc {
805 	u_int     	valid;		/* Which fields to honor */
806 #define	CTS_FC_VALID_WWNN		0x8000
807 #define	CTS_FC_VALID_WWPN		0x4000
808 #define	CTS_FC_VALID_PORT		0x2000
809 #define	CTS_FC_VALID_SPEED		0x1000
810 	u_int64_t	wwnn;		/* world wide node name */
811 	u_int64_t 	wwpn;		/* world wide port name */
812 	u_int32_t 	port;		/* 24 bit port id, if known */
813 	u_int32_t 	bitrate;	/* Mbps */
814 };
815 
816 struct ccb_trans_settings_sas {
817 	u_int     	valid;		/* Which fields to honor */
818 #define	CTS_SAS_VALID_SPEED		0x1000
819 	u_int32_t 	bitrate;	/* Mbps */
820 };
821 
822 struct ccb_trans_settings_ata {
823 	u_int     	valid;		/* Which fields to honor */
824 #define	CTS_ATA_VALID_MODE		0x01
825 #define	CTS_ATA_VALID_BYTECOUNT		0x02
826 #define	CTS_ATA_VALID_ATAPI		0x20
827 	int		mode;		/* Mode */
828 	u_int 		bytecount;	/* Length of PIO transaction */
829 	u_int 		atapi;		/* Length of ATAPI CDB */
830 };
831 
832 struct ccb_trans_settings_sata {
833 	u_int     	valid;		/* Which fields to honor */
834 #define	CTS_SATA_VALID_MODE		0x01
835 #define	CTS_SATA_VALID_BYTECOUNT	0x02
836 #define	CTS_SATA_VALID_REVISION		0x04
837 #define	CTS_SATA_VALID_PM		0x08
838 #define	CTS_SATA_VALID_TAGS		0x10
839 #define	CTS_SATA_VALID_ATAPI		0x20
840 	int		mode;		/* Legacy PATA mode */
841 	u_int 		bytecount;	/* Length of PIO transaction */
842 	int		revision;	/* SATA revision */
843 	u_int 		pm_present;	/* PM is present (XPT->SIM) */
844 	u_int 		tags;		/* Number of allowed tags */
845 	u_int 		atapi;		/* Length of ATAPI CDB */
846 };
847 
848 /* Get/Set transfer rate/width/disconnection/tag queueing settings */
849 struct ccb_trans_settings {
850 	struct	  ccb_hdr ccb_h;
851 	cts_type  type;		/* Current or User settings */
852 	cam_proto protocol;
853 	u_int	  protocol_version;
854 	cam_xport transport;
855 	u_int	  transport_version;
856 	union {
857 		u_int  valid;	/* Which fields to honor */
858 		struct ccb_trans_settings_scsi scsi;
859 	} proto_specific;
860 	union {
861 		u_int  valid;	/* Which fields to honor */
862 		struct ccb_trans_settings_spi spi;
863 		struct ccb_trans_settings_fc fc;
864 		struct ccb_trans_settings_sas sas;
865 		struct ccb_trans_settings_ata ata;
866 		struct ccb_trans_settings_sata sata;
867 	} xport_specific;
868 };
869 
870 
871 /*
872  * Calculate the geometry parameters for a device
873  * give the block size and volume size in blocks.
874  */
875 struct ccb_calc_geometry {
876 	struct	  ccb_hdr ccb_h;
877 	u_int32_t block_size;
878 	u_int64_t volume_size;
879 	u_int32_t cylinders;
880 	u_int8_t  heads;
881 	u_int8_t  secs_per_track;
882 };
883 
884 /*
885  * Set or get SIM (and transport) specific knobs
886  */
887 
888 #define	KNOB_VALID_ADDRESS	0x1
889 #define	KNOB_VALID_ROLE		0x2
890 
891 
892 #define	KNOB_ROLE_NONE		0x0
893 #define	KNOB_ROLE_INITIATOR	0x1
894 #define	KNOB_ROLE_TARGET	0x2
895 #define	KNOB_ROLE_BOTH		0x3
896 
897 struct ccb_sim_knob_settings_spi {
898 	u_int		valid;
899 	u_int		initiator_id;
900 	u_int		role;
901 };
902 
903 struct ccb_sim_knob_settings_fc {
904 	u_int		valid;
905 	u_int64_t	wwnn;		/* world wide node name */
906 	u_int64_t 	wwpn;		/* world wide port name */
907 	u_int		role;
908 };
909 
910 struct ccb_sim_knob_settings_sas {
911 	u_int		valid;
912 	u_int64_t	wwnn;		/* world wide node name */
913 	u_int		role;
914 };
915 #define	KNOB_SETTINGS_SIZE	128
916 
917 struct ccb_sim_knob {
918 	struct	  ccb_hdr ccb_h;
919 	union {
920 		u_int  valid;	/* Which fields to honor */
921 		struct ccb_sim_knob_settings_spi spi;
922 		struct ccb_sim_knob_settings_fc fc;
923 		struct ccb_sim_knob_settings_sas sas;
924 		char pad[KNOB_SETTINGS_SIZE];
925 	} xport_specific;
926 };
927 
928 /*
929  * Rescan the given bus, or bus/target/lun
930  */
931 struct ccb_rescan {
932 	struct	ccb_hdr ccb_h;
933 	cam_flags	flags;
934 };
935 
936 /*
937  * Turn on debugging for the given bus, bus/target, or bus/target/lun.
938  */
939 struct ccb_debug {
940 	struct	ccb_hdr ccb_h;
941 	cam_debug_flags flags;
942 };
943 
944 /* Target mode structures. */
945 
946 struct ccb_en_lun {
947 	struct	  ccb_hdr ccb_h;
948 	u_int16_t grp6_len;		/* Group 6 VU CDB length */
949 	u_int16_t grp7_len;		/* Group 7 VU CDB length */
950 	u_int8_t  enable;
951 };
952 
953 /* old, barely used immediate notify, binary compatibility */
954 struct ccb_immed_notify {
955 	struct	  ccb_hdr ccb_h;
956 	struct    scsi_sense_data sense_data;
957 	u_int8_t  sense_len;		/* Number of bytes in sense buffer */
958 	u_int8_t  initiator_id;		/* Id of initiator that selected */
959 	u_int8_t  message_args[7];	/* Message Arguments */
960 };
961 
962 struct ccb_notify_ack {
963 	struct	  ccb_hdr ccb_h;
964 	u_int16_t seq_id;		/* Sequence identifier */
965 	u_int8_t  event;		/* Event flags */
966 };
967 
968 struct ccb_immediate_notify {
969 	struct    ccb_hdr ccb_h;
970 	u_int     tag_id;		/* Tag for immediate notify */
971 	u_int     seq_id;		/* Tag for target of notify */
972 	u_int     initiator_id;		/* Initiator Identifier */
973 	u_int     arg;			/* Function specific */
974 };
975 
976 struct ccb_notify_acknowledge {
977 	struct    ccb_hdr ccb_h;
978 	u_int     tag_id;		/* Tag for immediate notify */
979 	u_int     seq_id;		/* Tar for target of notify */
980 	u_int     initiator_id;		/* Initiator Identifier */
981 	u_int     arg;			/* Function specific */
982 };
983 
984 /* HBA engine structures. */
985 
986 typedef enum {
987 	EIT_BUFFER,	/* Engine type: buffer memory */
988 	EIT_LOSSLESS,	/* Engine type: lossless compression */
989 	EIT_LOSSY,	/* Engine type: lossy compression */
990 	EIT_ENCRYPT	/* Engine type: encryption */
991 } ei_type;
992 
993 typedef enum {
994 	EAD_VUNIQUE,	/* Engine algorithm ID: vendor unique */
995 	EAD_LZ1V1,	/* Engine algorithm ID: LZ1 var.1 */
996 	EAD_LZ2V1,	/* Engine algorithm ID: LZ2 var.1 */
997 	EAD_LZ2V2	/* Engine algorithm ID: LZ2 var.2 */
998 } ei_algo;
999 
1000 struct ccb_eng_inq {
1001 	struct	  ccb_hdr ccb_h;
1002 	u_int16_t eng_num;	/* The engine number for this inquiry */
1003 	ei_type   eng_type;	/* Returned engine type */
1004 	ei_algo   eng_algo;	/* Returned engine algorithm type */
1005 	u_int32_t eng_memeory;	/* Returned engine memory size */
1006 };
1007 
1008 struct ccb_eng_exec {	/* This structure must match SCSIIO size */
1009 	struct	  ccb_hdr ccb_h;
1010 	u_int8_t  *pdrv_ptr;	/* Ptr used by the peripheral driver */
1011 	u_int8_t  *req_map;	/* Ptr for mapping info on the req. */
1012 	u_int8_t  *data_ptr;	/* Pointer to the data buf/SG list */
1013 	u_int32_t dxfer_len;	/* Data transfer length */
1014 	u_int8_t  *engdata_ptr;	/* Pointer to the engine buffer data */
1015 	u_int16_t sglist_cnt;	/* Num of scatter gather list entries */
1016 	u_int32_t dmax_len;	/* Destination data maximum length */
1017 	u_int32_t dest_len;	/* Destination data length */
1018 	int32_t	  src_resid;	/* Source residual length: 2's comp */
1019 	u_int32_t timeout;	/* Timeout value */
1020 	u_int16_t eng_num;	/* Engine number for this request */
1021 	u_int16_t vu_flags;	/* Vendor Unique flags */
1022 };
1023 
1024 /*
1025  * Definitions for the timeout field in the SCSI I/O CCB.
1026  */
1027 #define	CAM_TIME_DEFAULT	0x00000000	/* Use SIM default value */
1028 #define	CAM_TIME_INFINITY	0xFFFFFFFF	/* Infinite timeout */
1029 
1030 #define	CAM_SUCCESS	0	/* For signaling general success */
1031 #define	CAM_FAILURE	1	/* For signaling general failure */
1032 
1033 #define CAM_FALSE	0
1034 #define CAM_TRUE	1
1035 
1036 #define XPT_CCB_INVALID	-1	/* for signaling a bad CCB to free */
1037 
1038 /*
1039  * Union of all CCB types for kernel space allocation.  This union should
1040  * never be used for manipulating CCBs - its only use is for the allocation
1041  * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc
1042  * and the argument to xpt_ccb_free.
1043  */
1044 union ccb {
1045 	struct	ccb_hdr			ccb_h;	/* For convenience */
1046 	struct	ccb_scsiio		csio;
1047 	struct	ccb_getdev		cgd;
1048 	struct	ccb_getdevlist		cgdl;
1049 	struct	ccb_pathinq		cpi;
1050 	struct	ccb_relsim		crs;
1051 	struct	ccb_setasync		csa;
1052 	struct	ccb_setdev		csd;
1053 	struct	ccb_pathstats		cpis;
1054 	struct	ccb_getdevstats		cgds;
1055 	struct	ccb_dev_match		cdm;
1056 	struct	ccb_trans_settings	cts;
1057 	struct	ccb_calc_geometry	ccg;
1058 	struct	ccb_sim_knob		knob;
1059 	struct	ccb_abort		cab;
1060 	struct	ccb_resetbus		crb;
1061 	struct	ccb_resetdev		crd;
1062 	struct	ccb_termio		tio;
1063 	struct	ccb_accept_tio		atio;
1064 	struct	ccb_scsiio		ctio;
1065 	struct	ccb_en_lun		cel;
1066 	struct	ccb_immed_notify	cin;
1067 	struct	ccb_notify_ack		cna;
1068 	struct	ccb_immediate_notify	cin1;
1069 	struct	ccb_notify_acknowledge	cna2;
1070 	struct	ccb_eng_inq		cei;
1071 	struct	ccb_eng_exec		cee;
1072 	struct 	ccb_rescan		crcn;
1073 	struct  ccb_debug		cdbg;
1074 	struct	ccb_ataio		ataio;
1075 };
1076 
1077 __BEGIN_DECLS
1078 static __inline void
1079 cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
1080 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1081 	      u_int32_t flags, u_int8_t tag_action,
1082 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1083 	      u_int8_t sense_len, u_int8_t cdb_len,
1084 	      u_int32_t timeout);
1085 
1086 static __inline void
1087 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
1088 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1089 	      u_int32_t flags, u_int tag_action, u_int tag_id,
1090 	      u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
1091 	      u_int32_t dxfer_len, u_int32_t timeout);
1092 
1093 static __inline void
1094 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
1095 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1096 	      u_int32_t flags, u_int tag_action,
1097 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1098 	      u_int32_t timeout);
1099 
1100 static __inline void
1101 cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
1102 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1103 	      u_int32_t flags, u_int8_t tag_action,
1104 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1105 	      u_int8_t sense_len, u_int8_t cdb_len,
1106 	      u_int32_t timeout)
1107 {
1108 	csio->ccb_h.func_code = XPT_SCSI_IO;
1109 	csio->ccb_h.flags = flags;
1110 	csio->ccb_h.retry_count = retries;
1111 	csio->ccb_h.cbfcnp = cbfcnp;
1112 	csio->ccb_h.timeout = timeout;
1113 	csio->data_ptr = data_ptr;
1114 	csio->dxfer_len = dxfer_len;
1115 	csio->sense_len = sense_len;
1116 	csio->cdb_len = cdb_len;
1117 	csio->tag_action = tag_action;
1118 }
1119 
1120 static __inline void
1121 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
1122 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1123 	      u_int32_t flags, u_int tag_action, u_int tag_id,
1124 	      u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
1125 	      u_int32_t dxfer_len, u_int32_t timeout)
1126 {
1127 	csio->ccb_h.func_code = XPT_CONT_TARGET_IO;
1128 	csio->ccb_h.flags = flags;
1129 	csio->ccb_h.retry_count = retries;
1130 	csio->ccb_h.cbfcnp = cbfcnp;
1131 	csio->ccb_h.timeout = timeout;
1132 	csio->data_ptr = data_ptr;
1133 	csio->dxfer_len = dxfer_len;
1134 	csio->scsi_status = scsi_status;
1135 	csio->tag_action = tag_action;
1136 	csio->tag_id = tag_id;
1137 	csio->init_id = init_id;
1138 }
1139 
1140 static __inline void
1141 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
1142 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1143 	      u_int32_t flags, u_int tag_action,
1144 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1145 	      u_int32_t timeout)
1146 {
1147 	ataio->ccb_h.func_code = XPT_ATA_IO;
1148 	ataio->ccb_h.flags = flags;
1149 	ataio->ccb_h.retry_count = retries;
1150 	ataio->ccb_h.cbfcnp = cbfcnp;
1151 	ataio->ccb_h.timeout = timeout;
1152 	ataio->data_ptr = data_ptr;
1153 	ataio->dxfer_len = dxfer_len;
1154 	ataio->tag_action = tag_action;
1155 }
1156 
1157 void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
1158 
1159 __END_DECLS
1160 
1161 #endif /* _CAM_CAM_CCB_H */
1162