FreeBSD/Linux Kernel Cross Reference
sys/dev/twa/tw_osl_externs.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
      * Copyright (c) 2004-05 Vinod Kashyap.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      $FreeBSD$
     */
    
    /*
     * AMCC'S 3ware driver for 9000 series storage controllers.
     *
     * Author: Vinod Kashyap
     * Modifications by: Adam Radford
     */
    
    #ifndef TW_OSL_EXTERNS_H
    
    #define TW_OSL_EXTERNS_H
    
    /*
     * Data structures and functions global to the OS Layer.
     */
    
    /* External data structures. */
    
    extern int      mp_ncpus;
    
    /* Functions in tw_osl_freebsd.c */
    
    /* Build a firmware passthru cmd pkt, and submit it to CL. */
    extern TW_INT32 tw_osli_fw_passthru(struct twa_softc *sc, TW_INT8 *buf);
    
    /* Get an OSL internal request context packet. */ 
    extern struct tw_osli_req_context *tw_osli_get_request(struct twa_softc *sc);
    
    /* Map data to DMA'able memory. */
    extern TW_INT32 tw_osli_map_request(struct tw_osli_req_context *req);
    
    /* Undo mapping. */
    extern TW_VOID  tw_osli_unmap_request(struct tw_osli_req_context *req);
    
    /* Functions in tw_osl_cam.c */
    
    /* Attach to CAM. */
    extern TW_INT32 tw_osli_cam_attach(struct twa_softc *sc);
    
    /* Detach from CAM. */
    extern TW_VOID  tw_osli_cam_detach(struct twa_softc *sc);
    
    /* Request CAM for a bus scan. */
    extern TW_INT32 tw_osli_request_bus_scan(struct twa_softc *sc);
    
    /* Freeze ccb flow from CAM. */
    extern TW_VOID  tw_osli_disallow_new_requests(struct twa_softc *sc,
            struct tw_cl_req_handle *req_handle);
    
    /* OSL's completion routine for SCSI I/O's. */
    extern TW_VOID  tw_osl_complete_io(struct tw_cl_req_handle *req_handle);
    
    /* OSL's completion routine for passthru requests. */
    extern TW_VOID  tw_osl_complete_passthru(struct tw_cl_req_handle *req_handle);
    
    #endif /* TW_OSL_EXTERNS_H */

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