sys/bus/cam/cam_xpt_periph.h

   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 1.3 1999/12/29 04:54:28 peter Exp $
  31  * $DragonFly: src/sys/bus/cam/cam_xpt_periph.h,v 1.3 2003/08/07 21:16:44 dillon Exp $
  32  */
  33
  34 #ifndef _CAM_CAM_XPT_PERIPH_H
  35 #define _CAM_CAM_XPT_PERIPH_H 1
  36
  37 #include "cam_xpt.h"
  38
  39 /* Functions accessed by the peripheral drivers */
  40 #ifdef _KERNEL
  41 void            xpt_polled_action(union ccb *ccb);
  42 union ccb       *xpt_alloc_ccb(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 */