proc->thread stage 4: rework the VFS and DEVICE subsystems to take thread
[dragonfly.git] / sys / dev / raid / aac / aac_linux.c
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1/*-
2 * Copyright (c) 2000 Michael Smith
3 * Copyright (c) 2001 Scott Long
4 * Copyright (c) 2000 BSDi
5 * Copyright (c) 2001 Adaptec, Inc.
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: src/sys/dev/aac/aac_linux.c,v 1.1.4.1 2003/03/28 19:50:17 scottl Exp $
dadab5e9 30 * $DragonFly: src/sys/dev/raid/aac/aac_linux.c,v 1.3 2003/06/25 03:55:45 dillon Exp $
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31 */
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/conf.h>
36#include <sys/kernel.h>
37#include <sys/file.h>
38#include <sys/proc.h>
dadab5e9 39#include <sys/file2.h>
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40#include <machine/../linux/linux.h>
41#include <machine/../linux/linux_proto.h>
42#include <compat/linux/linux_ioctl.h>
43
44/* There are multiple ioctl number ranges that need to be handled */
45#define AAC_LINUX_IOCTL_MIN 0x0000
46#define AAC_LINUX_IOCTL_MAX 0x21ff
47
48static linux_ioctl_function_t aac_linux_ioctl;
49static struct linux_ioctl_handler aac_linux_handler = {aac_linux_ioctl,
50 AAC_LINUX_IOCTL_MIN,
51 AAC_LINUX_IOCTL_MAX};
52
53SYSINIT (aac_register, SI_SUB_KLD, SI_ORDER_MIDDLE,
54 linux_ioctl_register_handler, &aac_linux_handler);
55SYSUNINIT(aac_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE,
56 linux_ioctl_unregister_handler, &aac_linux_handler);
57
58static int
59aac_linux_modevent(module_t mod, int type, void *data)
60{
61 /* Do we care about any specific load/unload actions? */
62 return (0);
63}
64
65DEV_MODULE(aac_linux, aac_linux_modevent, NULL);
66MODULE_DEPEND(aac, linux, 1, 1, 1);
67
68static int
dadab5e9 69aac_linux_ioctl(struct thread *td, struct linux_ioctl_args *args)
984263bc 70{
dadab5e9 71 struct proc *p = td->td_proc;
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72 struct file *fp;
73 u_long cmd;
74
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75 KKASSERT(p);
76
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77 fp = p->p_fd->fd_ofiles[args->fd];
78 cmd = args->cmd;
79
80 /*
81 * Pass the ioctl off to our standard handler.
82 */
dadab5e9 83 return(fo_ioctl(fp, cmd, (caddr_t)args->arg, td));
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84}
85