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/dev/twa/tw_osl_externs.h

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    1 /*
    2  * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
    3  * Copyright (c) 2004-05 Vinod Kashyap.
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  *      $FreeBSD: releng/11.0/sys/dev/twa/tw_osl_externs.h 208969 2010-06-09 21:40:38Z delphij $
   28  */
   29 
   30 /*
   31  * AMCC'S 3ware driver for 9000 series storage controllers.
   32  *
   33  * Author: Vinod Kashyap
   34  * Modifications by: Adam Radford
   35  */
   36 
   37 
   38 
   39 #ifndef TW_OSL_EXTERNS_H
   40 
   41 #define TW_OSL_EXTERNS_H
   42 
   43 
   44 /*
   45  * Data structures and functions global to the OS Layer.
   46  */
   47 
   48 
   49 /* External data structures. */
   50 
   51 extern int      mp_ncpus;
   52 
   53 
   54 
   55 /* Functions in tw_osl_freebsd.c */
   56 
   57 /* Build a firmware passthru cmd pkt, and submit it to CL. */
   58 extern TW_INT32 tw_osli_fw_passthru(struct twa_softc *sc, TW_INT8 *buf);
   59 
   60 /* Get an OSL internal request context packet. */ 
   61 extern struct tw_osli_req_context *tw_osli_get_request(struct twa_softc *sc);
   62 
   63 /* Map data to DMA'able memory. */
   64 extern TW_INT32 tw_osli_map_request(struct tw_osli_req_context *req);
   65 
   66 /* Undo mapping. */
   67 extern TW_VOID  tw_osli_unmap_request(struct tw_osli_req_context *req);
   68 
   69 
   70 
   71 /* Functions in tw_osl_cam.c */
   72 
   73 /* Attach to CAM. */
   74 extern TW_INT32 tw_osli_cam_attach(struct twa_softc *sc);
   75 
   76 /* Detach from CAM. */
   77 extern TW_VOID  tw_osli_cam_detach(struct twa_softc *sc);
   78 
   79 /* Request CAM for a bus scan. */
   80 extern TW_INT32 tw_osli_request_bus_scan(struct twa_softc *sc);
   81 
   82 /* Freeze ccb flow from CAM. */
   83 extern TW_VOID  tw_osli_disallow_new_requests(struct twa_softc *sc,
   84         struct tw_cl_req_handle *req_handle);
   85 
   86 /* OSL's completion routine for SCSI I/O's. */
   87 extern TW_VOID  tw_osl_complete_io(struct tw_cl_req_handle *req_handle);
   88 
   89 /* OSL's completion routine for passthru requests. */
   90 extern TW_VOID  tw_osl_complete_passthru(struct tw_cl_req_handle *req_handle);
   91 
   92 
   93 
   94 #endif /* TW_OSL_EXTERNS_H */

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