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This patch extends the FreeBSD Linux compatibility layer to support

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NVIDIA API calls; more specifically, it adds an ioctl() handler for
the range of possible NVIDIA ioctl numbers.

Submitted by:	 Christian Zander <zander@minion.de>
This commit is contained in:
Matthew N. Dodd 2002-09-19 18:56:55 +00:00
parent e2587e98e5
commit 21ed01faf3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103651
2 changed files with 29 additions and 0 deletions
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22
sys/compat/linux/linux_ioctl.c
View File

@ -68,6 +68,7 @@ static linux_ioctl_function_t linux_ioctl_sound;
static linux_ioctl_function_t linux_ioctl_termio;
static linux_ioctl_function_t linux_ioctl_private;
static linux_ioctl_function_t linux_ioctl_special;
static linux_ioctl_function_t linux_ioctl_nvidia;
static struct linux_ioctl_handler cdrom_handler =
{ linux_ioctl_cdrom, LINUX_IOCTL_CDROM_MIN, LINUX_IOCTL_CDROM_MAX };
@ -83,6 +84,9 @@ static struct linux_ioctl_handler termio_handler =
{ linux_ioctl_termio, LINUX_IOCTL_TERMIO_MIN, LINUX_IOCTL_TERMIO_MAX };
static struct linux_ioctl_handler private_handler =
{ linux_ioctl_private, LINUX_IOCTL_PRIVATE_MIN, LINUX_IOCTL_PRIVATE_MAX };
static struct linux_ioctl_handler nvidia_handler =
{ linux_ioctl_nvidia, LINUX_IOCTL_NVIDIA_MIN, LINUX_IOCTL_NVIDIA_MAX };
DATA_SET(linux_ioctl_handler_set, cdrom_handler);
DATA_SET(linux_ioctl_handler_set, console_handler);
@ -91,6 +95,7 @@ DATA_SET(linux_ioctl_handler_set, socket_handler);
DATA_SET(linux_ioctl_handler_set, sound_handler);
DATA_SET(linux_ioctl_handler_set, termio_handler);
DATA_SET(linux_ioctl_handler_set, private_handler);
DATA_SET(linux_ioctl_handler_set, nvidia_handler);
struct handler_element
{
@ -125,6 +130,23 @@ linux_ioctl_disk(struct thread *td, struct linux_ioctl_args *args)
return (ENOIOCTL);
}
/*
* NVIDIA driver
*/
static int
linux_ioctl_nvidia(struct proc *p, struct linux_ioctl_args *args)
{
/*
* The range has already been checked, and the native NVIDIA ioctl()
* implementation will throw out any commands it does not recognize.
* There is no good reason why we should manually translate each and
* every one of the possible NVIDIA ioctl() commands.
*/
return (ioctl(p, (struct ioctl_args *) args));
}
/*
* termio related ioctls
*/

7
sys/compat/linux/linux_ioctl.h
View File

@ -31,6 +31,13 @@
#ifndef _LINUX_IOCTL_H_
#define _LINUX_IOCTL_H_
/*
* NVIDIA driver
*/
#define LINUX_IOCTL_NVIDIA_MIN 0x4600
#define LINUX_IOCTL_NVIDIA_MAX 0x46ff
/*
* disk
*/