1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2004-07 Applied Micro Circuits Corporation. 5 * Copyright (c) 2004-05 Vinod Kashyap. 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 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 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 21 * FOR 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/* 33 * AMCC'S 3ware driver for 9000 series storage controllers. 34 * 35 * Author: Vinod Kashyap 36 * Modifications by: Adam Radford 37 */ 38 39 40 41#ifndef TW_OSL_EXTERNS_H 42 43#define TW_OSL_EXTERNS_H 44 45 46/* 47 * Data structures and functions global to the OS Layer. 48 */ 49 50 51/* External data structures. */ 52 53extern int mp_ncpus; 54 55 56 57/* Functions in tw_osl_freebsd.c */ 58 59/* Build a firmware passthru cmd pkt, and submit it to CL. */ 60extern TW_INT32 tw_osli_fw_passthru(struct twa_softc *sc, TW_INT8 *buf); 61 62/* Get an OSL internal request context packet. */ 63extern struct tw_osli_req_context *tw_osli_get_request(struct twa_softc *sc); 64 65/* Map data to DMA'able memory. */ 66extern TW_INT32 tw_osli_map_request(struct tw_osli_req_context *req); 67 68/* Undo mapping. */ 69extern TW_VOID tw_osli_unmap_request(struct tw_osli_req_context *req); 70 71 72 73/* Functions in tw_osl_cam.c */ 74 75/* Attach to CAM. */ 76extern TW_INT32 tw_osli_cam_attach(struct twa_softc *sc); 77 78/* Detach from CAM. */ 79extern TW_VOID tw_osli_cam_detach(struct twa_softc *sc); 80 81/* Request CAM for a bus scan. */ 82extern TW_INT32 tw_osli_request_bus_scan(struct twa_softc *sc); 83 84/* Freeze ccb flow from CAM. */ 85extern TW_VOID tw_osli_disallow_new_requests(struct twa_softc *sc, 86 struct tw_cl_req_handle *req_handle); 87 88/* OSL's completion routine for SCSI I/O's. */ 89extern TW_VOID tw_osl_complete_io(struct tw_cl_req_handle *req_handle); 90 91/* OSL's completion routine for passthru requests. */ 92extern TW_VOID tw_osl_complete_passthru(struct tw_cl_req_handle *req_handle); 93 94 95 96#endif /* TW_OSL_EXTERNS_H */ 97