Viewing file:  ia32_ioctl.c (7.23 KB) -rw-r--r--
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/*
* IA32 Architecture-specific ioctl shim code
*
* Copyright (C) 2000 VA Linux Co
* Copyright (C) 2000 Don Dugger <n0ano@valinux.com>
* Copyright (C) 2001 Hewlett-Packard Co
* David Mosberger-Tang <davidm@hpl.hp.com>
*/
#include <linux/types.h>
#include <linux/dirent.h>
#include <linux/msdos_fs.h>
#include <linux/mtio.h>
#include <linux/ncp_fs.h>
#include <linux/capi.h>
#include <linux/videodev.h>
#include <linux/synclink.h>
#include <linux/atmdev.h>
#include <linux/atm_eni.h>
#include <linux/atm_nicstar.h>
#include <linux/atm_zatm.h>
#include <linux/atm_idt77105.h>
#include <linux/ppp_defs.h>
#include <linux/if_ppp.h>
#include <linux/ixjuser.h>
#include <linux/i2o-dev.h>
#include <asm/ia32.h>
#include <../drivers/char/drm/drm.h>
#define IOCTL_NR(a) ((a) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT))
#define DO_IOCTL(fd, cmd, arg) ({ \
int _ret; \
mm_segment_t _old_fs = get_fs(); \
\
set_fs(KERNEL_DS); \
_ret = sys_ioctl(fd, cmd, (unsigned long)arg); \
set_fs(_old_fs); \
_ret; \
})
#define P(i) ((void *)(unsigned long)(i))
asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
static long
put_dirent32 (struct dirent *d, struct linux32_dirent *d32)
{
size_t namelen = strlen(d->d_name);
return (put_user(d->d_ino, &d32->d_ino)
|| put_user(d->d_off, &d32->d_off)
|| put_user(d->d_reclen, &d32->d_reclen)
|| copy_to_user(d32->d_name, d->d_name, namelen + 1));
}
asmlinkage long
sys32_ioctl (unsigned int fd, unsigned int cmd, unsigned int arg)
{
long ret;
switch (IOCTL_NR(cmd)) {
case IOCTL_NR(VFAT_IOCTL_READDIR_SHORT):
case IOCTL_NR(VFAT_IOCTL_READDIR_BOTH): {
struct linux32_dirent *d32 = P(arg);
struct dirent d[2];
ret = DO_IOCTL(fd, _IOR('r', _IOC_NR(cmd),
struct dirent [2]),
(unsigned long) d);
if (ret < 0)
return ret;
if (put_dirent32(d, d32) || put_dirent32(d + 1, d32 + 1))
return -EFAULT;
return ret;
}
case IOCTL_NR(DRM_IOCTL_VERSION):
{
drm_version_t ver;
struct {
int version_major;
int version_minor;
int version_patchlevel;
unsigned int name_len;
unsigned int name; /* pointer */
unsigned int date_len;
unsigned int date; /* pointer */
unsigned int desc_len;
unsigned int desc; /* pointer */
} ver32;
if (copy_from_user(&ver32, P(arg), sizeof(ver32)))
return -EFAULT;
ver.name_len = ver32.name_len;
ver.name = P(ver32.name);
ver.date_len = ver32.date_len;
ver.date = P(ver32.date);
ver.desc_len = ver32.desc_len;
ver.desc = P(ver32.desc);
ret = DO_IOCTL(fd, DRM_IOCTL_VERSION, &ver);
if (ret >= 0) {
ver32.version_major = ver.version_major;
ver32.version_minor = ver.version_minor;
ver32.version_patchlevel = ver.version_patchlevel;
ver32.name_len = ver.name_len;
ver32.date_len = ver.date_len;
ver32.desc_len = ver.desc_len;
if (copy_to_user(P(arg), &ver32, sizeof(ver32)))
return -EFAULT;
}
return ret;
}
case IOCTL_NR(DRM_IOCTL_GET_UNIQUE):
{
drm_unique_t un;
struct {
unsigned int unique_len;
unsigned int unique;
} un32;
if (copy_from_user(&un32, P(arg), sizeof(un32)))
return -EFAULT;
un.unique_len = un32.unique_len;
un.unique = P(un32.unique);
ret = DO_IOCTL(fd, DRM_IOCTL_GET_UNIQUE, &un);
if (ret >= 0) {
un32.unique_len = un.unique_len;
if (copy_to_user(P(arg), &un32, sizeof(un32)))
return -EFAULT;
}
return ret;
}
case IOCTL_NR(DRM_IOCTL_SET_UNIQUE):
case IOCTL_NR(DRM_IOCTL_ADD_MAP):
case IOCTL_NR(DRM_IOCTL_ADD_BUFS):
case IOCTL_NR(DRM_IOCTL_MARK_BUFS):
case IOCTL_NR(DRM_IOCTL_INFO_BUFS):
case IOCTL_NR(DRM_IOCTL_MAP_BUFS):
case IOCTL_NR(DRM_IOCTL_FREE_BUFS):
case IOCTL_NR(DRM_IOCTL_ADD_CTX):
case IOCTL_NR(DRM_IOCTL_RM_CTX):
case IOCTL_NR(DRM_IOCTL_MOD_CTX):
case IOCTL_NR(DRM_IOCTL_GET_CTX):
case IOCTL_NR(DRM_IOCTL_SWITCH_CTX):
case IOCTL_NR(DRM_IOCTL_NEW_CTX):
case IOCTL_NR(DRM_IOCTL_RES_CTX):
case IOCTL_NR(DRM_IOCTL_AGP_ACQUIRE):
case IOCTL_NR(DRM_IOCTL_AGP_RELEASE):
case IOCTL_NR(DRM_IOCTL_AGP_ENABLE):
case IOCTL_NR(DRM_IOCTL_AGP_INFO):
case IOCTL_NR(DRM_IOCTL_AGP_ALLOC):
case IOCTL_NR(DRM_IOCTL_AGP_FREE):
case IOCTL_NR(DRM_IOCTL_AGP_BIND):
case IOCTL_NR(DRM_IOCTL_AGP_UNBIND):
/* Mga specific ioctls */
case IOCTL_NR(DRM_IOCTL_MGA_INIT):
/* I810 specific ioctls */
case IOCTL_NR(DRM_IOCTL_I810_GETBUF):
case IOCTL_NR(DRM_IOCTL_I810_COPY):
case IOCTL_NR(MTIOCGET):
case IOCTL_NR(MTIOCPOS):
case IOCTL_NR(MTIOCGETCONFIG):
case IOCTL_NR(MTIOCSETCONFIG):
case IOCTL_NR(PPPIOCSCOMPRESS):
case IOCTL_NR(PPPIOCGIDLE):
case IOCTL_NR(NCP_IOC_GET_FS_INFO_V2):
case IOCTL_NR(NCP_IOC_GETOBJECTNAME):
case IOCTL_NR(NCP_IOC_SETOBJECTNAME):
case IOCTL_NR(NCP_IOC_GETPRIVATEDATA):
case IOCTL_NR(NCP_IOC_SETPRIVATEDATA):
case IOCTL_NR(NCP_IOC_GETMOUNTUID2):
case IOCTL_NR(CAPI_MANUFACTURER_CMD):
case IOCTL_NR(VIDIOCGTUNER):
case IOCTL_NR(VIDIOCSTUNER):
case IOCTL_NR(VIDIOCGWIN):
case IOCTL_NR(VIDIOCSWIN):
case IOCTL_NR(VIDIOCGFBUF):
case IOCTL_NR(VIDIOCSFBUF):
case IOCTL_NR(MGSL_IOCSPARAMS):
case IOCTL_NR(MGSL_IOCGPARAMS):
case IOCTL_NR(ATM_GETNAMES):
case IOCTL_NR(ATM_GETLINKRATE):
case IOCTL_NR(ATM_GETTYPE):
case IOCTL_NR(ATM_GETESI):
case IOCTL_NR(ATM_GETADDR):
case IOCTL_NR(ATM_RSTADDR):
case IOCTL_NR(ATM_ADDADDR):
case IOCTL_NR(ATM_DELADDR):
case IOCTL_NR(ATM_GETCIRANGE):
case IOCTL_NR(ATM_SETCIRANGE):
case IOCTL_NR(ATM_SETESI):
case IOCTL_NR(ATM_SETESIF):
case IOCTL_NR(ATM_GETSTAT):
case IOCTL_NR(ATM_GETSTATZ):
case IOCTL_NR(ATM_GETLOOP):
case IOCTL_NR(ATM_SETLOOP):
case IOCTL_NR(ATM_QUERYLOOP):
case IOCTL_NR(ENI_SETMULT):
case IOCTL_NR(NS_GETPSTAT):
/* case IOCTL_NR(NS_SETBUFLEV): This is a duplicate case with ZATM_GETPOOLZ */
case IOCTL_NR(ZATM_GETPOOLZ):
case IOCTL_NR(ZATM_GETPOOL):
case IOCTL_NR(ZATM_SETPOOL):
case IOCTL_NR(ZATM_GETTHIST):
case IOCTL_NR(IDT77105_GETSTAT):
case IOCTL_NR(IDT77105_GETSTATZ):
case IOCTL_NR(IXJCTL_TONE_CADENCE):
case IOCTL_NR(IXJCTL_FRAMES_READ):
case IOCTL_NR(IXJCTL_FRAMES_WRITTEN):
case IOCTL_NR(IXJCTL_READ_WAIT):
case IOCTL_NR(IXJCTL_WRITE_WAIT):
case IOCTL_NR(IXJCTL_DRYBUFFER_READ):
case IOCTL_NR(I2OHRTGET):
case IOCTL_NR(I2OLCTGET):
case IOCTL_NR(I2OPARMSET):
case IOCTL_NR(I2OPARMGET):
case IOCTL_NR(I2OSWDL):
case IOCTL_NR(I2OSWUL):
case IOCTL_NR(I2OSWDEL):
case IOCTL_NR(I2OHTML):
break;
default:
return sys_ioctl(fd, cmd, (unsigned long)arg);
}
printk("%x:unimplemented IA32 ioctl system call\n", cmd);
return -EINVAL;
}
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