The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/cam/cam_xpt_sim.h

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    1 /*-
    2  * Data structures and definitions for dealing with the 
    3  * Common Access Method Transport (xpt) layer.
    4  *
    5  * Copyright (c) 1997 Justin T. Gibbs.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions, and the following disclaimer,
   13  *    without modification, immediately at the beginning of the file.
   14  * 2. The name of the author may not be used to endorse or promote products
   15  *    derived from this software without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
   21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * $FreeBSD$
   30  */
   31 
   32 #ifndef _CAM_CAM_XPT_SIM_H
   33 #define _CAM_CAM_XPT_SIM_H 1
   34 
   35 #include <cam/cam_xpt.h>
   36 #include <cam/cam_queue.h>
   37 
   38 /* Functions accessed by SIM drivers */
   39 #ifdef _KERNEL
   40 int32_t         xpt_bus_register(struct cam_sim *sim, device_t parent,
   41                                  u_int32_t bus);
   42 int32_t         xpt_bus_deregister(path_id_t path_id);
   43 u_int32_t       xpt_freeze_simq(struct cam_sim *sim, u_int count);
   44 void            xpt_release_simq(struct cam_sim *sim, int run_queue);
   45 u_int32_t       xpt_freeze_devq(struct cam_path *path, u_int count);
   46 void            xpt_release_devq(struct cam_path *path, u_int count,
   47                                  int run_queue);
   48 void            xpt_done(union ccb *done_ccb);
   49 #endif
   50 
   51 #endif /* _CAM_CAM_XPT_SIM_H */
   52 

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