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_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