diff options
Diffstat (limited to 'sys/dev/aac/aac_linux.c')
-rw-r--r-- | sys/dev/aac/aac_linux.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/sys/dev/aac/aac_linux.c b/sys/dev/aac/aac_linux.c new file mode 100644 index 0000000..2ca8fa3 --- /dev/null +++ b/sys/dev/aac/aac_linux.c @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2002 Scott Long + * 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. + * + * $FreeBSD$ + */ + +/* + * Linux ioctl handler for the aac device driver + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/conf.h> +#include <sys/kernel.h> +#include <sys/file.h> +#include <sys/proc.h> +#include <machine/../linux/linux.h> +#include <machine/../linux/linux_proto.h> +#include <compat/linux/linux_ioctl.h> + +/* There are multiple ioctl number ranges that need to be handled */ +#define AAC_LINUX_IOCTL_MIN 0x0000 +#define AAC_LINUX_IOCTL_MAX 0x21ff + +static linux_ioctl_function_t aac_linux_ioctl; +static struct linux_ioctl_handler aac_linux_handler = {aac_linux_ioctl, + AAC_LINUX_IOCTL_MIN, + AAC_LINUX_IOCTL_MAX}; + +SYSINIT (aac_linux_register, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_ioctl_register_handler, &aac_linux_handler); +SYSUNINIT(aac_linux_unregister, SI_SUB_KLD, SI_ORDER_MIDDLE, + linux_ioctl_unregister_handler, &aac_linux_handler); + +static int +aac_linux_modevent(module_t mod, int type, void *data) +{ + /* Do we care about any specific load/unload actions? */ + return (0); +} + +DEV_MODULE(aac_linux, aac_linux_modevent, NULL); +MODULE_DEPEND(aac_linux, linux, 1, 1, 1); + +static int +aac_linux_ioctl(struct thread *td, struct linux_ioctl_args *args) +{ + struct file *fp; + u_long cmd; + int error; + + if ((error = fget(td, args->fd, &fp)) != 0) + return (error); + cmd = args->cmd; + + /* + * Pass the ioctl off to our standard handler. + */ + error = (fo_ioctl(fp, cmd, (caddr_t)args->arg, td->td_ucred, td)); + fdrop(fp, td); + return (error); +} |