xref: /freebsd/sys/cam/cam_xpt_sim.h (revision 83c5d981ac176d1cfae8d6dab3c0420ed9d43477)
1898b0535SWarner Losh /*-
28b8a9b1dSJustin T. Gibbs  * Data structures and definitions for dealing with the
38b8a9b1dSJustin T. Gibbs  * Common Access Method Transport (xpt) layer.
48b8a9b1dSJustin T. Gibbs  *
58b8a9b1dSJustin T. Gibbs  * Copyright (c) 1997 Justin T. Gibbs.
68b8a9b1dSJustin T. Gibbs  * All rights reserved.
78b8a9b1dSJustin T. Gibbs  *
88b8a9b1dSJustin T. Gibbs  * Redistribution and use in source and binary forms, with or without
98b8a9b1dSJustin T. Gibbs  * modification, are permitted provided that the following conditions
108b8a9b1dSJustin T. Gibbs  * are met:
118b8a9b1dSJustin T. Gibbs  * 1. Redistributions of source code must retain the above copyright
128b8a9b1dSJustin T. Gibbs  *    notice, this list of conditions, and the following disclaimer,
138b8a9b1dSJustin T. Gibbs  *    without modification, immediately at the beginning of the file.
148b8a9b1dSJustin T. Gibbs  * 2. The name of the author may not be used to endorse or promote products
158b8a9b1dSJustin T. Gibbs  *    derived from this software without specific prior written permission.
168b8a9b1dSJustin T. Gibbs  *
178b8a9b1dSJustin T. Gibbs  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
188b8a9b1dSJustin T. Gibbs  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
198b8a9b1dSJustin T. Gibbs  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
208b8a9b1dSJustin T. Gibbs  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
218b8a9b1dSJustin T. Gibbs  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
228b8a9b1dSJustin T. Gibbs  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
238b8a9b1dSJustin T. Gibbs  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
248b8a9b1dSJustin T. Gibbs  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
258b8a9b1dSJustin T. Gibbs  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
268b8a9b1dSJustin T. Gibbs  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
278b8a9b1dSJustin T. Gibbs  * SUCH DAMAGE.
288b8a9b1dSJustin T. Gibbs  *
29c3aac50fSPeter Wemm  * $FreeBSD$
308b8a9b1dSJustin T. Gibbs  */
318b8a9b1dSJustin T. Gibbs 
328b8a9b1dSJustin T. Gibbs #ifndef _CAM_CAM_XPT_SIM_H
338b8a9b1dSJustin T. Gibbs #define _CAM_CAM_XPT_SIM_H 1
348b8a9b1dSJustin T. Gibbs 
358b8a9b1dSJustin T. Gibbs #include <cam/cam_xpt.h>
368b8a9b1dSJustin T. Gibbs #include <cam/cam_queue.h>
378b8a9b1dSJustin T. Gibbs 
388b8a9b1dSJustin T. Gibbs /* Functions accessed by SIM drivers */
39c4473420SPeter Wemm #ifdef _KERNEL
40b50569b7SScott Long int32_t		xpt_bus_register(struct cam_sim *sim, device_t parent,
41b50569b7SScott Long 				 u_int32_t bus);
42434bbf6eSJustin T. Gibbs int32_t		xpt_bus_deregister(path_id_t path_id);
438b8a9b1dSJustin T. Gibbs u_int32_t	xpt_freeze_simq(struct cam_sim *sim, u_int count);
448b8a9b1dSJustin T. Gibbs void		xpt_release_simq(struct cam_sim *sim, int run_queue);
458b8a9b1dSJustin T. Gibbs u_int32_t	xpt_freeze_devq(struct cam_path *path, u_int count);
4683c5d981SAlexander Motin u_int32_t	xpt_freeze_devq_rl(struct cam_path *path, cam_rl rl,
4783c5d981SAlexander Motin 		    u_int count);
4883c5d981SAlexander Motin void		xpt_release_devq(struct cam_path *path,
4983c5d981SAlexander Motin 		    u_int count, int run_queue);
5083c5d981SAlexander Motin void		xpt_release_devq_rl(struct cam_path *path, cam_rl rl,
5183c5d981SAlexander Motin 		    u_int count, int run_queue);
5202caf36eSEdward Tomasz Napierala int		xpt_sim_opened(struct cam_sim *sim);
53d1dc9ab1SJustin T. Gibbs void		xpt_done(union ccb *done_ccb);
54c4473420SPeter Wemm #endif
558b8a9b1dSJustin T. Gibbs 
568b8a9b1dSJustin T. Gibbs #endif /* _CAM_CAM_XPT_SIM_H */
578b8a9b1dSJustin T. Gibbs 
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