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: src/sys/cam/cam_xpt_periph.h,v 1.7 2007/04/18 04:58:52 scottl Exp $
31 */
32
33 #ifndef _CAM_CAM_XPT_PERIPH_H
34 #define _CAM_CAM_XPT_PERIPH_H 1
35
36 #include <cam/cam_xpt.h>
37
38 /* Functions accessed by the peripheral drivers */
39 #ifdef _KERNEL
40 void xpt_polled_action(union ccb *ccb);
41 union ccb *xpt_alloc_ccb(void);
42 union ccb *xpt_alloc_ccb_nowait(void);
43 void xpt_free_ccb(union ccb *free_ccb);
44 void xpt_release_ccb(union ccb *released_ccb);
45 void xpt_schedule(struct cam_periph *perph, u_int32_t new_priority);
46 int32_t xpt_add_periph(struct cam_periph *periph);
47 void xpt_remove_periph(struct cam_periph *periph);
48 void xpt_announce_periph(struct cam_periph *periph,
49 char *announce_string);
50 #endif
51
52 #endif /* _CAM_CAM_XPT_PERIPH_H */
53
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