tw_osl_externs.h revision 144966 
1/*
2 * Copyright (c) 2004-05 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: head/sys/dev/twa/tw_osl_externs.h 144966 2005-04-12 22:07:11Z vkashyap $
28 */
29
30/*
31 * AMCC'S 3ware driver for 9000 series storage controllers.
32 *
33 * Author: Vinod Kashyap
34 */
35
36
37
38#ifndef TW_OSL_EXTERNS_H
39
40#define TW_OSL_EXTERNS_H
41
42
43/*
44 * Data structures and functions global to the OS Layer.
45 */
46
47
48/* External data structures. */
49
50extern int	mp_ncpus;
51
52
53
54/* Functions in tw_osl_freebsd.c */
55
56/* Build a firmware passthru cmd pkt, and submit it to CL. */
57extern TW_INT32	tw_osli_fw_passthru(struct twa_softc *sc, TW_INT8 *buf);
58
59/* Get an OSL internal request context packet. */
60extern struct tw_osli_req_context *tw_osli_get_request(struct twa_softc *sc);
61
62/* Map data to DMA'able memory. */
63extern TW_INT32	tw_osli_map_request(struct tw_osli_req_context *req);
64
65/* Undo mapping. */
66extern TW_VOID	tw_osli_unmap_request(struct tw_osli_req_context *req);
67
68
69
70/* Functions in tw_osl_cam.c */
71
72/* Attach to CAM. */
73extern TW_INT32	tw_osli_cam_attach(struct twa_softc *sc);
74
75/* Detach from CAM. */
76extern TW_VOID	tw_osli_cam_detach(struct twa_softc *sc);
77
78/* Request CAM for a bus scan. */
79extern TW_INT32	tw_osli_request_bus_scan(struct twa_softc *sc);
80
81/* Unfreeze ccb flow from CAM. */
82extern TW_VOID	tw_osli_allow_new_requests(struct twa_softc *sc, TW_VOID *ccb);
83
84/* Freeze ccb flow from CAM. */
85extern TW_VOID	tw_osli_disallow_new_requests(struct twa_softc *sc);
86
87/* OSL's completion routine for SCSI I/O's. */
88extern TW_VOID	tw_osl_complete_io(struct tw_cl_req_handle *req_handle);
89
90/* OSL's completion routine for passthru requests. */
91extern TW_VOID	tw_osl_complete_passthru(struct tw_cl_req_handle *req_handle);
92
93
94
95#endif /* TW_OSL_EXTERNS_H */
96