xref: /freebsd/sys/cam/cam_ccb.h (revision 35ae9291c2621d66ac66ed4a4996761946ac3e2d)
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 SIM 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 /* SCSI Control Functions: 0x10->0x1F */
146 	XPT_ABORT		= 0x10,
147 				/* Abort the specified CCB */
148 	XPT_RESET_BUS		= 0x11 | XPT_FC_XPT_ONLY,
149 				/* Reset the specified SCSI bus */
150 	XPT_RESET_DEV		= 0x12 | XPT_FC_DEV_QUEUED,
151 				/* Bus Device Reset the specified SCSI device */
152 	XPT_TERM_IO		= 0x13,
153 				/* Terminate the I/O process */
154 	XPT_SCAN_LUN		= 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB
155 				       | XPT_FC_XPT_ONLY,
156 				/* Scan Logical Unit */
157 	XPT_GET_TRAN_SETTINGS	= 0x15,
158 				/*
159 				 * Get default/user transfer settings
160 				 * for the target
161 				 */
162 	XPT_SET_TRAN_SETTINGS	= 0x16,
163 				/*
164 				 * Set transfer rate/width
165 				 * negotiation settings
166 				 */
167 	XPT_CALC_GEOMETRY	= 0x17,
168 				/*
169 				 * Calculate the geometry parameters for
170 				 * a device give the sector size and
171 				 * volume size.
172 				 */
173 	XPT_ATA_IO		= 0x18 | XPT_FC_DEV_QUEUED,
174 				/* Execute the requested ATA I/O operation */
175 
176 	XPT_GET_SIM_KNOB	= 0x18,
177 				/*
178 				 * Get SIM specific knob values.
179 				 */
180 
181 	XPT_SET_SIM_KNOB	= 0x19,
182 				/*
183 				 * Set SIM specific knob values.
184 				 */
185 /* HBA engine commands 0x20->0x2F */
186 	XPT_ENG_INQ		= 0x20 | XPT_FC_XPT_ONLY,
187 				/* HBA engine feature inquiry */
188 	XPT_ENG_EXEC		= 0x21 | XPT_FC_DEV_QUEUED,
189 				/* HBA execute engine request */
190 
191 /* Target mode commands: 0x30->0x3F */
192 	XPT_EN_LUN		= 0x30,
193 				/* Enable LUN as a target */
194 	XPT_TARGET_IO		= 0x31 | XPT_FC_DEV_QUEUED,
195 				/* Execute target I/O request */
196 	XPT_ACCEPT_TARGET_IO	= 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
197 				/* Accept Host Target Mode CDB */
198 	XPT_CONT_TARGET_IO	= 0x33 | XPT_FC_DEV_QUEUED,
199 				/* Continue Host Target I/O Connection */
200 	XPT_IMMED_NOTIFY	= 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
201 				/* Notify Host Target driver of event (obsolete) */
202 	XPT_NOTIFY_ACK		= 0x35,
203 				/* Acknowledgement of event (obsolete) */
204 	XPT_IMMEDIATE_NOTIFY	= 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
205 				/* Notify Host Target driver of event */
206 	XPT_NOTIFY_ACKNOWLEDGE	= 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
207 				/* Acknowledgement of event */
208 
209 /* Vendor Unique codes: 0x80->0x8F */
210 	XPT_VUNIQUE		= 0x80
211 } xpt_opcode;
212 
213 #define XPT_FC_GROUP_MASK		0xF0
214 #define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK)
215 #define XPT_FC_GROUP_COMMON		0x00
216 #define XPT_FC_GROUP_SCSI_CONTROL	0x10
217 #define XPT_FC_GROUP_HBA_ENGINE		0x20
218 #define XPT_FC_GROUP_TMODE		0x30
219 #define XPT_FC_GROUP_VENDOR_UNIQUE	0x80
220 
221 #define XPT_FC_IS_DEV_QUEUED(ccb) 	\
222     (((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED)
223 #define XPT_FC_IS_QUEUED(ccb) 	\
224     (((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0)
225 
226 typedef enum {
227 	PROTO_UNKNOWN,
228 	PROTO_UNSPECIFIED,
229 	PROTO_SCSI,	/* Small Computer System Interface */
230 	PROTO_ATA,	/* AT Attachment */
231 	PROTO_ATAPI,	/* AT Attachment Packetized Interface */
232 	PROTO_SATAPM,	/* SATA Port Multiplier */
233 } cam_proto;
234 
235 typedef enum {
236 	XPORT_UNKNOWN,
237 	XPORT_UNSPECIFIED,
238 	XPORT_SPI,	/* SCSI Parallel Interface */
239 	XPORT_FC,	/* Fiber Channel */
240 	XPORT_SSA,	/* Serial Storage Architecture */
241 	XPORT_USB,	/* Universal Serial Bus */
242 	XPORT_PPB,	/* Parallel Port Bus */
243 	XPORT_ATA,	/* AT Attachment */
244 	XPORT_SAS,	/* Serial Attached SCSI */
245 	XPORT_SATA,	/* Serial AT Attachment */
246 	XPORT_ISCSI,	/* iSCSI */
247 } cam_xport;
248 
249 #define PROTO_VERSION_UNKNOWN (UINT_MAX - 1)
250 #define PROTO_VERSION_UNSPECIFIED UINT_MAX
251 #define XPORT_VERSION_UNKNOWN (UINT_MAX - 1)
252 #define XPORT_VERSION_UNSPECIFIED UINT_MAX
253 
254 typedef union {
255 	LIST_ENTRY(ccb_hdr) le;
256 	SLIST_ENTRY(ccb_hdr) sle;
257 	TAILQ_ENTRY(ccb_hdr) tqe;
258 	STAILQ_ENTRY(ccb_hdr) stqe;
259 } camq_entry;
260 
261 typedef union {
262 	void		*ptr;
263 	u_long		field;
264 	u_int8_t	bytes[sizeof(uintptr_t)];
265 } ccb_priv_entry;
266 
267 typedef union {
268 	ccb_priv_entry	entries[CCB_PERIPH_PRIV_SIZE];
269 	u_int8_t	bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)];
270 } ccb_ppriv_area;
271 
272 typedef union {
273 	ccb_priv_entry	entries[CCB_SIM_PRIV_SIZE];
274 	u_int8_t	bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)];
275 } ccb_spriv_area;
276 
277 struct ccb_hdr {
278 	cam_pinfo	pinfo;		/* Info for priority scheduling */
279 	camq_entry	xpt_links;	/* For chaining in the XPT layer */
280 	camq_entry	sim_links;	/* For chaining in the SIM layer */
281 	camq_entry	periph_links;	/* For chaining in the type driver */
282 	u_int32_t	retry_count;
283 	void		(*cbfcnp)(struct cam_periph *, union ccb *);
284 					/* Callback on completion function */
285 	xpt_opcode	func_code;	/* XPT function code */
286 	u_int32_t	status;		/* Status returned by CAM subsystem */
287 	struct		cam_path *path;	/* Compiled path for this ccb */
288 	path_id_t	path_id;	/* Path ID for the request */
289 	target_id_t	target_id;	/* Target device ID */
290 	lun_id_t	target_lun;	/* Target LUN number */
291 	u_int32_t	flags;		/* ccb_flags */
292 	ccb_ppriv_area	periph_priv;
293 	ccb_spriv_area	sim_priv;
294 	u_int32_t	timeout;	/* Timeout value */
295 
296 	/*
297 	 * Deprecated, only for use by non-MPSAFE SIMs.  All others must
298 	 * allocate and initialize their own callout storage.
299 	 */
300 	struct		callout_handle timeout_ch;
301 };
302 
303 /* Get Device Information CCB */
304 struct ccb_getdev {
305 	struct	  ccb_hdr ccb_h;
306 	cam_proto protocol;
307 	struct scsi_inquiry_data inq_data;
308 	struct ata_params ident_data;
309 	u_int8_t  serial_num[252];
310 	u_int8_t  reserved;
311 	u_int8_t  serial_num_len;
312 };
313 
314 /* Device Statistics CCB */
315 struct ccb_getdevstats {
316 	struct	ccb_hdr	ccb_h;
317 	int	dev_openings;	/* Space left for more work on device*/
318 	int	dev_active;	/* Transactions running on the device */
319 	int	devq_openings;	/* Space left for more queued work */
320 	int	devq_queued;	/* Transactions queued to be sent */
321 	int	held;		/*
322 				 * CCBs held by peripheral drivers
323 				 * for this device
324 				 */
325 	int	maxtags;	/*
326 				 * Boundary conditions for number of
327 				 * tagged operations
328 				 */
329 	int	mintags;
330 	struct	timeval last_reset;	/* Time of last bus reset/loop init */
331 };
332 
333 typedef enum {
334 	CAM_GDEVLIST_LAST_DEVICE,
335 	CAM_GDEVLIST_LIST_CHANGED,
336 	CAM_GDEVLIST_MORE_DEVS,
337 	CAM_GDEVLIST_ERROR
338 } ccb_getdevlist_status_e;
339 
340 struct ccb_getdevlist {
341 	struct ccb_hdr		ccb_h;
342 	char 			periph_name[DEV_IDLEN];
343 	u_int32_t		unit_number;
344 	unsigned int		generation;
345 	u_int32_t		index;
346 	ccb_getdevlist_status_e	status;
347 };
348 
349 typedef enum {
350 	PERIPH_MATCH_NONE	= 0x000,
351 	PERIPH_MATCH_PATH	= 0x001,
352 	PERIPH_MATCH_TARGET	= 0x002,
353 	PERIPH_MATCH_LUN	= 0x004,
354 	PERIPH_MATCH_NAME	= 0x008,
355 	PERIPH_MATCH_UNIT	= 0x010,
356 	PERIPH_MATCH_ANY	= 0x01f
357 } periph_pattern_flags;
358 
359 struct periph_match_pattern {
360 	char			periph_name[DEV_IDLEN];
361 	u_int32_t		unit_number;
362 	path_id_t		path_id;
363 	target_id_t		target_id;
364 	lun_id_t		target_lun;
365 	periph_pattern_flags	flags;
366 };
367 
368 typedef enum {
369 	DEV_MATCH_NONE		= 0x000,
370 	DEV_MATCH_PATH		= 0x001,
371 	DEV_MATCH_TARGET	= 0x002,
372 	DEV_MATCH_LUN		= 0x004,
373 	DEV_MATCH_INQUIRY	= 0x008,
374 	DEV_MATCH_ANY		= 0x00f
375 } dev_pattern_flags;
376 
377 struct device_match_pattern {
378 	path_id_t				path_id;
379 	target_id_t				target_id;
380 	lun_id_t				target_lun;
381 	struct scsi_static_inquiry_pattern	inq_pat;
382 	dev_pattern_flags			flags;
383 };
384 
385 typedef enum {
386 	BUS_MATCH_NONE		= 0x000,
387 	BUS_MATCH_PATH		= 0x001,
388 	BUS_MATCH_NAME		= 0x002,
389 	BUS_MATCH_UNIT		= 0x004,
390 	BUS_MATCH_BUS_ID	= 0x008,
391 	BUS_MATCH_ANY		= 0x00f
392 } bus_pattern_flags;
393 
394 struct bus_match_pattern {
395 	path_id_t		path_id;
396 	char			dev_name[DEV_IDLEN];
397 	u_int32_t		unit_number;
398 	u_int32_t		bus_id;
399 	bus_pattern_flags	flags;
400 };
401 
402 union match_pattern {
403 	struct periph_match_pattern	periph_pattern;
404 	struct device_match_pattern	device_pattern;
405 	struct bus_match_pattern	bus_pattern;
406 };
407 
408 typedef enum {
409 	DEV_MATCH_PERIPH,
410 	DEV_MATCH_DEVICE,
411 	DEV_MATCH_BUS
412 } dev_match_type;
413 
414 struct dev_match_pattern {
415 	dev_match_type		type;
416 	union match_pattern	pattern;
417 };
418 
419 struct periph_match_result {
420 	char			periph_name[DEV_IDLEN];
421 	u_int32_t		unit_number;
422 	path_id_t		path_id;
423 	target_id_t		target_id;
424 	lun_id_t		target_lun;
425 };
426 
427 typedef enum {
428 	DEV_RESULT_NOFLAG		= 0x00,
429 	DEV_RESULT_UNCONFIGURED		= 0x01
430 } dev_result_flags;
431 
432 struct device_match_result {
433 	path_id_t			path_id;
434 	target_id_t			target_id;
435 	lun_id_t			target_lun;
436 	cam_proto			protocol;
437 	struct scsi_inquiry_data	inq_data;
438 	struct ata_params		ident_data;
439 	dev_result_flags		flags;
440 };
441 
442 struct bus_match_result {
443 	path_id_t	path_id;
444 	char		dev_name[DEV_IDLEN];
445 	u_int32_t	unit_number;
446 	u_int32_t	bus_id;
447 };
448 
449 union match_result {
450 	struct periph_match_result	periph_result;
451 	struct device_match_result	device_result;
452 	struct bus_match_result		bus_result;
453 };
454 
455 struct dev_match_result {
456 	dev_match_type		type;
457 	union match_result	result;
458 };
459 
460 typedef enum {
461 	CAM_DEV_MATCH_LAST,
462 	CAM_DEV_MATCH_MORE,
463 	CAM_DEV_MATCH_LIST_CHANGED,
464 	CAM_DEV_MATCH_SIZE_ERROR,
465 	CAM_DEV_MATCH_ERROR
466 } ccb_dev_match_status;
467 
468 typedef enum {
469 	CAM_DEV_POS_NONE	= 0x000,
470 	CAM_DEV_POS_BUS		= 0x001,
471 	CAM_DEV_POS_TARGET	= 0x002,
472 	CAM_DEV_POS_DEVICE	= 0x004,
473 	CAM_DEV_POS_PERIPH	= 0x008,
474 	CAM_DEV_POS_PDPTR	= 0x010,
475 	CAM_DEV_POS_TYPEMASK	= 0xf00,
476 	CAM_DEV_POS_EDT		= 0x100,
477 	CAM_DEV_POS_PDRV	= 0x200
478 } dev_pos_type;
479 
480 struct ccb_dm_cookie {
481 	void 	*bus;
482 	void	*target;
483 	void	*device;
484 	void	*periph;
485 	void	*pdrv;
486 };
487 
488 struct ccb_dev_position {
489 	u_int			generations[4];
490 #define	CAM_BUS_GENERATION	0x00
491 #define CAM_TARGET_GENERATION	0x01
492 #define CAM_DEV_GENERATION	0x02
493 #define CAM_PERIPH_GENERATION	0x03
494 	dev_pos_type		position_type;
495 	struct ccb_dm_cookie	cookie;
496 };
497 
498 struct ccb_dev_match {
499 	struct ccb_hdr			ccb_h;
500 	ccb_dev_match_status		status;
501 	u_int32_t			num_patterns;
502 	u_int32_t			pattern_buf_len;
503 	struct dev_match_pattern	*patterns;
504 	u_int32_t			num_matches;
505 	u_int32_t			match_buf_len;
506 	struct dev_match_result		*matches;
507 	struct ccb_dev_position		pos;
508 };
509 
510 /*
511  * Definitions for the path inquiry CCB fields.
512  */
513 #define CAM_VERSION	0x15	/* Hex value for current version */
514 
515 typedef enum {
516 	PI_MDP_ABLE	= 0x80,	/* Supports MDP message */
517 	PI_WIDE_32	= 0x40,	/* Supports 32 bit wide SCSI */
518 	PI_WIDE_16	= 0x20, /* Supports 16 bit wide SCSI */
519 	PI_SDTR_ABLE	= 0x10,	/* Supports SDTR message */
520 	PI_LINKED_CDB	= 0x08, /* Supports linked CDBs */
521 	PI_SATAPM	= 0x04,	/* Supports SATA PM */
522 	PI_TAG_ABLE	= 0x02,	/* Supports tag queue messages */
523 	PI_SOFT_RST	= 0x01	/* Supports soft reset alternative */
524 } pi_inqflag;
525 
526 typedef enum {
527 	PIT_PROCESSOR	= 0x80,	/* Target mode processor mode */
528 	PIT_PHASE	= 0x40,	/* Target mode phase cog. mode */
529 	PIT_DISCONNECT	= 0x20,	/* Disconnects supported in target mode */
530 	PIT_TERM_IO	= 0x10,	/* Terminate I/O message supported in TM */
531 	PIT_GRP_6	= 0x08,	/* Group 6 commands supported */
532 	PIT_GRP_7	= 0x04	/* Group 7 commands supported */
533 } pi_tmflag;
534 
535 typedef enum {
536 	PIM_SCANHILO	= 0x80,	/* Bus scans from high ID to low ID */
537 	PIM_NOREMOVE	= 0x40,	/* Removeable devices not included in scan */
538 	PIM_NOINITIATOR	= 0x20,	/* Initiator role not supported. */
539 	PIM_NOBUSRESET	= 0x10,	/* User has disabled initial BUS RESET */
540 	PIM_NO_6_BYTE	= 0x08,	/* Do not send 6-byte commands */
541 	PIM_SEQSCAN	= 0x04	/* Do bus scans sequentially, not in parallel */
542 } pi_miscflag;
543 
544 /* Path Inquiry CCB */
545 struct ccb_pathinq_settings_spi {
546 	u_int8_t ppr_options;
547 };
548 
549 struct ccb_pathinq_settings_fc {
550 	u_int64_t wwnn;		/* world wide node name */
551 	u_int64_t wwpn;		/* world wide port name */
552 	u_int32_t port;		/* 24 bit port id, if known */
553 	u_int32_t bitrate;	/* Mbps */
554 };
555 
556 struct ccb_pathinq_settings_sas {
557 	u_int32_t bitrate;	/* Mbps */
558 };
559 #define	PATHINQ_SETTINGS_SIZE	128
560 
561 struct ccb_pathinq {
562 	struct 	    ccb_hdr ccb_h;
563 	u_int8_t    version_num;	/* Version number for the SIM/HBA */
564 	u_int8_t    hba_inquiry;	/* Mimic of INQ byte 7 for the HBA */
565 	u_int8_t    target_sprt;	/* Flags for target mode support */
566 	u_int8_t    hba_misc;		/* Misc HBA features */
567 	u_int16_t   hba_eng_cnt;	/* HBA engine count */
568 					/* Vendor Unique capabilities */
569 	u_int8_t    vuhba_flags[VUHBALEN];
570 	u_int32_t   max_target;		/* Maximum supported Target */
571 	u_int32_t   max_lun;		/* Maximum supported Lun */
572 	u_int32_t   async_flags;	/* Installed Async handlers */
573 	path_id_t   hpath_id;		/* Highest Path ID in the subsystem */
574 	target_id_t initiator_id;	/* ID of the HBA on the SCSI bus */
575 	char	    sim_vid[SIM_IDLEN];	/* Vendor ID of the SIM */
576 	char	    hba_vid[HBA_IDLEN];	/* Vendor ID of the HBA */
577 	char 	    dev_name[DEV_IDLEN];/* Device name for SIM */
578 	u_int32_t   unit_number;	/* Unit number for SIM */
579 	u_int32_t   bus_id;		/* Bus ID for SIM */
580 	u_int32_t   base_transfer_speed;/* Base bus speed in KB/sec */
581 	cam_proto   protocol;
582 	u_int	    protocol_version;
583 	cam_xport   transport;
584 	u_int	    transport_version;
585 	union {
586 		struct ccb_pathinq_settings_spi spi;
587 		struct ccb_pathinq_settings_fc fc;
588 		struct ccb_pathinq_settings_sas sas;
589 		char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE];
590 	} xport_specific;
591 	u_int		maxio;		/* Max supported I/O size, in bytes. */
592 };
593 
594 /* Path Statistics CCB */
595 struct ccb_pathstats {
596 	struct	ccb_hdr	ccb_h;
597 	struct	timeval last_reset;	/* Time of last bus reset/loop init */
598 };
599 
600 typedef union {
601 	u_int8_t *sense_ptr;		/*
602 					 * Pointer to storage
603 					 * for sense information
604 					 */
605 	                                /* Storage Area for sense information */
606 	struct	 scsi_sense_data sense_buf;
607 } sense_t;
608 
609 typedef union {
610 	u_int8_t  *cdb_ptr;		/* Pointer to the CDB bytes to send */
611 					/* Area for the CDB send */
612 	u_int8_t  cdb_bytes[IOCDBLEN];
613 } cdb_t;
614 
615 /*
616  * SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO
617  * function codes.
618  */
619 struct ccb_scsiio {
620 	struct	   ccb_hdr ccb_h;
621 	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
622 	u_int8_t   *req_map;		/* Ptr to mapping info */
623 	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
624 	u_int32_t  dxfer_len;		/* Data transfer length */
625 					/* Autosense storage */
626 	struct     scsi_sense_data sense_data;
627 	u_int8_t   sense_len;		/* Number of bytes to autosense */
628 	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
629 	u_int16_t  sglist_cnt;		/* Number of SG list entries */
630 	u_int8_t   scsi_status;		/* Returned SCSI status */
631 	u_int8_t   sense_resid;		/* Autosense resid length: 2's comp */
632 	u_int32_t  resid;		/* Transfer residual length: 2's comp */
633 	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
634 	u_int8_t   *msg_ptr;		/* Pointer to the message buffer */
635 	u_int16_t  msg_len;		/* Number of bytes for the Message */
636 	u_int8_t   tag_action;		/* What to do for tag queueing */
637 	/*
638 	 * The tag action should be either the define below (to send a
639 	 * non-tagged transaction) or one of the defined scsi tag messages
640 	 * from scsi_message.h.
641 	 */
642 #define		CAM_TAG_ACTION_NONE	0x00
643 	u_int	   tag_id;		/* tag id from initator (target mode) */
644 	u_int	   init_id;		/* initiator id of who selected */
645 };
646 
647 /*
648  * ATA I/O Request CCB used for the XPT_ATA_IO function code.
649  */
650 struct ccb_ataio {
651 	struct	   ccb_hdr ccb_h;
652 	union	   ccb *next_ccb;	/* Ptr for next CCB for action */
653 	struct ata_cmd	cmd;		/* ATA command register set */
654 	struct ata_res	res;		/* ATA result register set */
655 	u_int8_t   *data_ptr;		/* Ptr to the data buf/SG list */
656 	u_int32_t  dxfer_len;		/* Data transfer length */
657 	u_int32_t  resid;		/* Transfer residual length: 2's comp */
658 	u_int8_t   tag_action;		/* What to do for tag queueing */
659 	/*
660 	 * The tag action should be either the define below (to send a
661 	 * non-tagged transaction) or one of the defined scsi tag messages
662 	 * from scsi_message.h.
663 	 */
664 #define		CAM_TAG_ACTION_NONE	0x00
665 	u_int	   tag_id;		/* tag id from initator (target mode) */
666 	u_int	   init_id;		/* initiator id of who selected */
667 };
668 
669 struct ccb_accept_tio {
670 	struct	   ccb_hdr ccb_h;
671 	cdb_t	   cdb_io;		/* Union for CDB bytes/pointer */
672 	u_int8_t   cdb_len;		/* Number of bytes for the CDB */
673 	u_int8_t   tag_action;		/* What to do for tag queueing */
674 	u_int8_t   sense_len;		/* Number of bytes of Sense Data */
675 	u_int      tag_id;		/* tag id from initator (target mode) */
676 	u_int      init_id;		/* initiator id of who selected */
677 	struct     scsi_sense_data sense_data;
678 };
679 
680 /* Release SIM Queue */
681 struct ccb_relsim {
682 	struct ccb_hdr ccb_h;
683 	u_int32_t      release_flags;
684 #define RELSIM_ADJUST_OPENINGS		0x01
685 #define RELSIM_RELEASE_AFTER_TIMEOUT	0x02
686 #define RELSIM_RELEASE_AFTER_CMDCMPLT	0x04
687 #define RELSIM_RELEASE_AFTER_QEMPTY	0x08
688 	u_int32_t      openings;
689 	u_int32_t      release_timeout;
690 	u_int32_t      qfrozen_cnt;
691 };
692 
693 /*
694  * Definitions for the asynchronous callback CCB fields.
695  */
696 typedef enum {
697 	AC_CONTRACT		= 0x1000,/* A contractual callback */
698 	AC_GETDEV_CHANGED	= 0x800,/* Getdev info might have changed */
699 	AC_INQ_CHANGED		= 0x400,/* Inquiry info might have changed */
700 	AC_TRANSFER_NEG		= 0x200,/* New transfer settings in effect */
701 	AC_LOST_DEVICE		= 0x100,/* A device went away */
702 	AC_FOUND_DEVICE		= 0x080,/* A new device was found */
703 	AC_PATH_DEREGISTERED	= 0x040,/* A path has de-registered */
704 	AC_PATH_REGISTERED	= 0x020,/* A new path has been registered */
705 	AC_SENT_BDR		= 0x010,/* A BDR message was sent to target */
706 	AC_SCSI_AEN		= 0x008,/* A SCSI AEN has been received */
707 	AC_UNSOL_RESEL		= 0x002,/* Unsolicited reselection occurred */
708 	AC_BUS_RESET		= 0x001	/* A SCSI bus reset occurred */
709 } ac_code;
710 
711 typedef void ac_callback_t (void *softc, u_int32_t code,
712 			    struct cam_path *path, void *args);
713 
714 /*
715  * Generic Asynchronous callbacks.
716  *
717  * Generic arguments passed bac which are then interpreted between a per-system
718  * contract number.
719  */
720 #define	AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t))
721 struct ac_contract {
722 	u_int64_t	contract_number;
723 	u_int8_t	contract_data[AC_CONTRACT_DATA_MAX];
724 };
725 
726 #define	AC_CONTRACT_DEV_CHG	1
727 struct ac_device_changed {
728 	u_int64_t	wwpn;
729 	u_int32_t	port;
730 	target_id_t	target;
731 	u_int8_t	arrived;
732 };
733 
734 /* Set Asynchronous Callback CCB */
735 struct ccb_setasync {
736 	struct ccb_hdr	 ccb_h;
737 	u_int32_t	 event_enable;	/* Async Event enables */
738 	ac_callback_t	*callback;
739 	void		*callback_arg;
740 };
741 
742 /* Set Device Type CCB */
743 struct ccb_setdev {
744 	struct	   ccb_hdr ccb_h;
745 	u_int8_t   dev_type;	/* Value for dev type field in EDT */
746 };
747 
748 /* SCSI Control Functions */
749 
750 /* Abort XPT request CCB */
751 struct ccb_abort {
752 	struct 	ccb_hdr ccb_h;
753 	union	ccb *abort_ccb;	/* Pointer to CCB to abort */
754 };
755 
756 /* Reset SCSI Bus CCB */
757 struct ccb_resetbus {
758 	struct	ccb_hdr ccb_h;
759 };
760 
761 /* Reset SCSI Device CCB */
762 struct ccb_resetdev {
763 	struct	ccb_hdr ccb_h;
764 };
765 
766 /* Terminate I/O Process Request CCB */
767 struct ccb_termio {
768 	struct	ccb_hdr ccb_h;
769 	union	ccb *termio_ccb;	/* Pointer to CCB to terminate */
770 };
771 
772 typedef enum {
773 	CTS_TYPE_CURRENT_SETTINGS,
774 	CTS_TYPE_USER_SETTINGS
775 } cts_type;
776 
777 struct ccb_trans_settings_scsi
778 {
779 	u_int	valid;	/* Which fields to honor */
780 #define	CTS_SCSI_VALID_TQ		0x01
781 	u_int	flags;
782 #define	CTS_SCSI_FLAGS_TAG_ENB		0x01
783 };
784 
785 struct ccb_trans_settings_spi
786 {
787 	u_int	  valid;	/* Which fields to honor */
788 #define	CTS_SPI_VALID_SYNC_RATE		0x01
789 #define	CTS_SPI_VALID_SYNC_OFFSET	0x02
790 #define	CTS_SPI_VALID_BUS_WIDTH		0x04
791 #define	CTS_SPI_VALID_DISC		0x08
792 #define CTS_SPI_VALID_PPR_OPTIONS	0x10
793 	u_int	flags;
794 #define	CTS_SPI_FLAGS_DISC_ENB		0x01
795 	u_int	sync_period;
796 	u_int	sync_offset;
797 	u_int	bus_width;
798 	u_int	ppr_options;
799 };
800 
801 struct ccb_trans_settings_fc {
802 	u_int     	valid;		/* Which fields to honor */
803 #define	CTS_FC_VALID_WWNN		0x8000
804 #define	CTS_FC_VALID_WWPN		0x4000
805 #define	CTS_FC_VALID_PORT		0x2000
806 #define	CTS_FC_VALID_SPEED		0x1000
807 	u_int64_t	wwnn;		/* world wide node name */
808 	u_int64_t 	wwpn;		/* world wide port name */
809 	u_int32_t 	port;		/* 24 bit port id, if known */
810 	u_int32_t 	bitrate;	/* Mbps */
811 };
812 
813 struct ccb_trans_settings_sas {
814 	u_int     	valid;		/* Which fields to honor */
815 #define	CTS_SAS_VALID_SPEED		0x1000
816 	u_int32_t 	bitrate;	/* Mbps */
817 };
818 
819 struct ccb_trans_settings_sata {
820 	u_int     	valid;		/* Which fields to honor */
821 #define	CTS_SATA_VALID_SPEED		0x01
822 #define	CTS_SATA_VALID_PM		0x02
823 	u_int32_t 	bitrate;	/* Mbps */
824 	u_int 		pm_present;	/* PM is present (XPT->SIM) */
825 };
826 
827 /* Get/Set transfer rate/width/disconnection/tag queueing settings */
828 struct ccb_trans_settings {
829 	struct	  ccb_hdr ccb_h;
830 	cts_type  type;		/* Current or User settings */
831 	cam_proto protocol;
832 	u_int	  protocol_version;
833 	cam_xport transport;
834 	u_int	  transport_version;
835 	union {
836 		u_int  valid;	/* Which fields to honor */
837 		struct ccb_trans_settings_scsi scsi;
838 	} proto_specific;
839 	union {
840 		u_int  valid;	/* Which fields to honor */
841 		struct ccb_trans_settings_spi spi;
842 		struct ccb_trans_settings_fc fc;
843 		struct ccb_trans_settings_sas sas;
844 		struct ccb_trans_settings_sata sata;
845 	} xport_specific;
846 };
847 
848 
849 /*
850  * Calculate the geometry parameters for a device
851  * give the block size and volume size in blocks.
852  */
853 struct ccb_calc_geometry {
854 	struct	  ccb_hdr ccb_h;
855 	u_int32_t block_size;
856 	u_int64_t volume_size;
857 	u_int32_t cylinders;
858 	u_int8_t  heads;
859 	u_int8_t  secs_per_track;
860 };
861 
862 /*
863  * Set or get SIM (and transport) specific knobs
864  */
865 
866 #define	KNOB_VALID_ADDRESS	0x1
867 #define	KNOB_VALID_ROLE		0x2
868 
869 
870 #define	KNOB_ROLE_NONE		0x0
871 #define	KNOB_ROLE_INITIATOR	0x1
872 #define	KNOB_ROLE_TARGET	0x2
873 #define	KNOB_ROLE_BOTH		0x3
874 
875 struct ccb_sim_knob_settings_spi {
876 	u_int		valid;
877 	u_int		initiator_id;
878 	u_int		role;
879 };
880 
881 struct ccb_sim_knob_settings_fc {
882 	u_int		valid;
883 	u_int64_t	wwnn;		/* world wide node name */
884 	u_int64_t 	wwpn;		/* world wide port name */
885 	u_int		role;
886 };
887 
888 struct ccb_sim_knob_settings_sas {
889 	u_int		valid;
890 	u_int64_t	wwnn;		/* world wide node name */
891 	u_int		role;
892 };
893 #define	KNOB_SETTINGS_SIZE	128
894 
895 struct ccb_sim_knob {
896 	struct	  ccb_hdr ccb_h;
897 	union {
898 		u_int  valid;	/* Which fields to honor */
899 		struct ccb_sim_knob_settings_spi spi;
900 		struct ccb_sim_knob_settings_fc fc;
901 		struct ccb_sim_knob_settings_sas sas;
902 		char pad[KNOB_SETTINGS_SIZE];
903 	} xport_specific;
904 };
905 
906 /*
907  * Rescan the given bus, or bus/target/lun
908  */
909 struct ccb_rescan {
910 	struct	ccb_hdr ccb_h;
911 	cam_flags	flags;
912 };
913 
914 /*
915  * Turn on debugging for the given bus, bus/target, or bus/target/lun.
916  */
917 struct ccb_debug {
918 	struct	ccb_hdr ccb_h;
919 	cam_debug_flags flags;
920 };
921 
922 /* Target mode structures. */
923 
924 struct ccb_en_lun {
925 	struct	  ccb_hdr ccb_h;
926 	u_int16_t grp6_len;		/* Group 6 VU CDB length */
927 	u_int16_t grp7_len;		/* Group 7 VU CDB length */
928 	u_int8_t  enable;
929 };
930 
931 /* old, barely used immediate notify, binary compatibility */
932 struct ccb_immed_notify {
933 	struct	  ccb_hdr ccb_h;
934 	struct    scsi_sense_data sense_data;
935 	u_int8_t  sense_len;		/* Number of bytes in sense buffer */
936 	u_int8_t  initiator_id;		/* Id of initiator that selected */
937 	u_int8_t  message_args[7];	/* Message Arguments */
938 };
939 
940 struct ccb_notify_ack {
941 	struct	  ccb_hdr ccb_h;
942 	u_int16_t seq_id;		/* Sequence identifier */
943 	u_int8_t  event;		/* Event flags */
944 };
945 
946 struct ccb_immediate_notify {
947 	struct    ccb_hdr ccb_h;
948 	u_int     tag_id;		/* Tag for immediate notify */
949 	u_int     seq_id;		/* Tag for target of notify */
950 	u_int     initiator_id;		/* Initiator Identifier */
951 	u_int     arg;			/* Function specific */
952 };
953 
954 struct ccb_notify_acknowledge {
955 	struct    ccb_hdr ccb_h;
956 	u_int     tag_id;		/* Tag for immediate notify */
957 	u_int     seq_id;		/* Tar for target of notify */
958 	u_int     initiator_id;		/* Initiator Identifier */
959 	u_int     arg;			/* Function specific */
960 };
961 
962 /* HBA engine structures. */
963 
964 typedef enum {
965 	EIT_BUFFER,	/* Engine type: buffer memory */
966 	EIT_LOSSLESS,	/* Engine type: lossless compression */
967 	EIT_LOSSY,	/* Engine type: lossy compression */
968 	EIT_ENCRYPT	/* Engine type: encryption */
969 } ei_type;
970 
971 typedef enum {
972 	EAD_VUNIQUE,	/* Engine algorithm ID: vendor unique */
973 	EAD_LZ1V1,	/* Engine algorithm ID: LZ1 var.1 */
974 	EAD_LZ2V1,	/* Engine algorithm ID: LZ2 var.1 */
975 	EAD_LZ2V2	/* Engine algorithm ID: LZ2 var.2 */
976 } ei_algo;
977 
978 struct ccb_eng_inq {
979 	struct	  ccb_hdr ccb_h;
980 	u_int16_t eng_num;	/* The engine number for this inquiry */
981 	ei_type   eng_type;	/* Returned engine type */
982 	ei_algo   eng_algo;	/* Returned engine algorithm type */
983 	u_int32_t eng_memeory;	/* Returned engine memory size */
984 };
985 
986 struct ccb_eng_exec {	/* This structure must match SCSIIO size */
987 	struct	  ccb_hdr ccb_h;
988 	u_int8_t  *pdrv_ptr;	/* Ptr used by the peripheral driver */
989 	u_int8_t  *req_map;	/* Ptr for mapping info on the req. */
990 	u_int8_t  *data_ptr;	/* Pointer to the data buf/SG list */
991 	u_int32_t dxfer_len;	/* Data transfer length */
992 	u_int8_t  *engdata_ptr;	/* Pointer to the engine buffer data */
993 	u_int16_t sglist_cnt;	/* Num of scatter gather list entries */
994 	u_int32_t dmax_len;	/* Destination data maximum length */
995 	u_int32_t dest_len;	/* Destination data length */
996 	int32_t	  src_resid;	/* Source residual length: 2's comp */
997 	u_int32_t timeout;	/* Timeout value */
998 	u_int16_t eng_num;	/* Engine number for this request */
999 	u_int16_t vu_flags;	/* Vendor Unique flags */
1000 };
1001 
1002 /*
1003  * Definitions for the timeout field in the SCSI I/O CCB.
1004  */
1005 #define	CAM_TIME_DEFAULT	0x00000000	/* Use SIM default value */
1006 #define	CAM_TIME_INFINITY	0xFFFFFFFF	/* Infinite timeout */
1007 
1008 #define	CAM_SUCCESS	0	/* For signaling general success */
1009 #define	CAM_FAILURE	1	/* For signaling general failure */
1010 
1011 #define CAM_FALSE	0
1012 #define CAM_TRUE	1
1013 
1014 #define XPT_CCB_INVALID	-1	/* for signaling a bad CCB to free */
1015 
1016 /*
1017  * Union of all CCB types for kernel space allocation.  This union should
1018  * never be used for manipulating CCBs - its only use is for the allocation
1019  * and deallocation of raw CCB space and is the return type of xpt_ccb_alloc
1020  * and the argument to xpt_ccb_free.
1021  */
1022 union ccb {
1023 	struct	ccb_hdr			ccb_h;	/* For convenience */
1024 	struct	ccb_scsiio		csio;
1025 	struct	ccb_getdev		cgd;
1026 	struct	ccb_getdevlist		cgdl;
1027 	struct	ccb_pathinq		cpi;
1028 	struct	ccb_relsim		crs;
1029 	struct	ccb_setasync		csa;
1030 	struct	ccb_setdev		csd;
1031 	struct	ccb_pathstats		cpis;
1032 	struct	ccb_getdevstats		cgds;
1033 	struct	ccb_dev_match		cdm;
1034 	struct	ccb_trans_settings	cts;
1035 	struct	ccb_calc_geometry	ccg;
1036 	struct	ccb_sim_knob		knob;
1037 	struct	ccb_abort		cab;
1038 	struct	ccb_resetbus		crb;
1039 	struct	ccb_resetdev		crd;
1040 	struct	ccb_termio		tio;
1041 	struct	ccb_accept_tio		atio;
1042 	struct	ccb_scsiio		ctio;
1043 	struct	ccb_en_lun		cel;
1044 	struct	ccb_immed_notify	cin;
1045 	struct	ccb_notify_ack		cna;
1046 	struct	ccb_immediate_notify	cin1;
1047 	struct	ccb_notify_acknowledge	cna2;
1048 	struct	ccb_eng_inq		cei;
1049 	struct	ccb_eng_exec		cee;
1050 	struct 	ccb_rescan		crcn;
1051 	struct  ccb_debug		cdbg;
1052 	struct	ccb_ataio		ataio;
1053 };
1054 
1055 __BEGIN_DECLS
1056 static __inline void
1057 cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
1058 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1059 	      u_int32_t flags, u_int8_t tag_action,
1060 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1061 	      u_int8_t sense_len, u_int8_t cdb_len,
1062 	      u_int32_t timeout);
1063 
1064 static __inline void
1065 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
1066 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1067 	      u_int32_t flags, u_int tag_action, u_int tag_id,
1068 	      u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
1069 	      u_int32_t dxfer_len, u_int32_t timeout);
1070 
1071 static __inline void
1072 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
1073 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1074 	      u_int32_t flags, u_int tag_action,
1075 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1076 	      u_int32_t timeout);
1077 
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 	csio->ccb_h.func_code = XPT_SCSI_IO;
1087 	csio->ccb_h.flags = flags;
1088 	csio->ccb_h.retry_count = retries;
1089 	csio->ccb_h.cbfcnp = cbfcnp;
1090 	csio->ccb_h.timeout = timeout;
1091 	csio->data_ptr = data_ptr;
1092 	csio->dxfer_len = dxfer_len;
1093 	csio->sense_len = sense_len;
1094 	csio->cdb_len = cdb_len;
1095 	csio->tag_action = tag_action;
1096 }
1097 
1098 static __inline void
1099 cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
1100 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1101 	      u_int32_t flags, u_int tag_action, u_int tag_id,
1102 	      u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
1103 	      u_int32_t dxfer_len, u_int32_t timeout)
1104 {
1105 	csio->ccb_h.func_code = XPT_CONT_TARGET_IO;
1106 	csio->ccb_h.flags = flags;
1107 	csio->ccb_h.retry_count = retries;
1108 	csio->ccb_h.cbfcnp = cbfcnp;
1109 	csio->ccb_h.timeout = timeout;
1110 	csio->data_ptr = data_ptr;
1111 	csio->dxfer_len = dxfer_len;
1112 	csio->scsi_status = scsi_status;
1113 	csio->tag_action = tag_action;
1114 	csio->tag_id = tag_id;
1115 	csio->init_id = init_id;
1116 }
1117 
1118 static __inline void
1119 cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
1120 	      void (*cbfcnp)(struct cam_periph *, union ccb *),
1121 	      u_int32_t flags, u_int tag_action,
1122 	      u_int8_t *data_ptr, u_int32_t dxfer_len,
1123 	      u_int32_t timeout)
1124 {
1125 	ataio->ccb_h.func_code = XPT_ATA_IO;
1126 	ataio->ccb_h.flags = flags;
1127 	ataio->ccb_h.retry_count = retries;
1128 	ataio->ccb_h.cbfcnp = cbfcnp;
1129 	ataio->ccb_h.timeout = timeout;
1130 	ataio->data_ptr = data_ptr;
1131 	ataio->dxfer_len = dxfer_len;
1132 	ataio->tag_action = tag_action;
1133 }
1134 
1135 void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
1136 
1137 __END_DECLS
1138 
1139 #endif /* _CAM_CAM_CCB_H */
1140