freebsd-dev/sys/dev/twa/tw_osl_externs.h

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/*
* Copyright (c) 2004-05 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
*/
#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);
/* Unfreeze ccb flow from CAM. */
extern TW_VOID tw_osli_allow_new_requests(struct twa_softc *sc, TW_VOID *ccb);
/* Freeze ccb flow from CAM. */
extern TW_VOID tw_osli_disallow_new_requests(struct twa_softc *sc);
/* 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 */