xref: /freebsd/sys/cam/cam_xpt_periph.h (revision 1670a1c2a47d10ecccd001970b859caf93cd3b6e)
1 /*-
2  * Data structures and definitions for dealing with the
3  * Common Access Method Transport (xpt) layer from peripheral
4  * drivers.
5  *
6  * Copyright (c) 1997 Justin T. Gibbs.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions, and the following disclaimer,
14  *    without modification, immediately at the beginning of the file.
15  * 2. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
22  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _CAM_CAM_XPT_PERIPH_H
34 #define _CAM_CAM_XPT_PERIPH_H 1
35 
36 #include <cam/cam_queue.h>
37 #include <cam/cam_xpt.h>
38 
39 /* Functions accessed by the peripheral drivers */
40 #ifdef _KERNEL
41 void		xpt_polled_action(union ccb *ccb);
42 void		xpt_release_ccb(union ccb *released_ccb);
43 void		xpt_schedule(struct cam_periph *perph, u_int32_t new_priority);
44 int32_t		xpt_add_periph(struct cam_periph *periph);
45 void		xpt_remove_periph(struct cam_periph *periph);
46 void		xpt_announce_periph(struct cam_periph *periph,
47 				    char *announce_string);
48 #endif
49 
50 #endif /* _CAM_CAM_XPT_PERIPH_H */
51