Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1466 insertions, 0 deletions

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
new file mode 100644
index 000000000..c6fe99144
--- /dev/null
+++ b/fs/compat_ioctl.c
@@ -0,0 +1,1466 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
+ *
+ * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
+ * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
+ * Copyright (C) 2001,2002  Andi Kleen, SuSE Labs 
+ * Copyright (C) 2003       Pavel Machek (pavel@ucw.cz)
+ *
+ * These routines maintain argument size conversion between 32bit and 64bit
+ * ioctls.
+ */
+
+#include <linux/joystick.h>
+
+#include <linux/types.h>
+#include <linux/compat.h>
+#include <linux/kernel.h>
+#include <linux/capability.h>
+#include <linux/compiler.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/ioctl.h>
+#include <linux/if.h>
+#include <linux/if_bridge.h>
+#include <linux/raid/md_u.h>
+#include <linux/kd.h>
+#include <linux/route.h>
+#include <linux/in6.h>
+#include <linux/ipv6_route.h>
+#include <linux/skbuff.h>
+#include <linux/netlink.h>
+#include <linux/vt.h>
+#include <linux/falloc.h>
+#include <linux/fs.h>
+#include <linux/file.h>
+#include <linux/ppp_defs.h>
+#include <linux/ppp-ioctl.h>
+#include <linux/if_pppox.h>
+#include <linux/mtio.h>
+#include <linux/tty.h>
+#include <linux/vt_kern.h>
+#include <linux/fb.h>
+#include <linux/videodev2.h>
+#include <linux/netdevice.h>
+#include <linux/raw.h>
+#include <linux/blkdev.h>
+#include <linux/elevator.h>
+#include <linux/rtc.h>
+#include <linux/pci.h>
+#include <linux/serial.h>
+#include <linux/if_tun.h>
+#include <linux/ctype.h>
+#include <linux/syscalls.h>
+#include <linux/atalk.h>
+#include <linux/gfp.h>
+#include <linux/cec.h>
+
+#include "internal.h"
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_sock.h>
+#include <net/bluetooth/rfcomm.h>
+
+#include <linux/capi.h>
+#include <linux/gigaset_dev.h>
+
+#ifdef CONFIG_BLOCK
+#include <linux/cdrom.h>
+#include <linux/fd.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_ioctl.h>
+#include <scsi/sg.h>
+#endif
+
+#include <linux/uaccess.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/if_bonding.h>
+#include <linux/watchdog.h>
+
+#include <linux/soundcard.h>
+#include <linux/lp.h>
+#include <linux/ppdev.h>
+
+#include <linux/atm.h>
+#include <linux/atmarp.h>
+#include <linux/atmclip.h>
+#include <linux/atmdev.h>
+#include <linux/atmioc.h>
+#include <linux/atmlec.h>
+#include <linux/atmmpc.h>
+#include <linux/atmsvc.h>
+#include <linux/atm_tcp.h>
+#include <linux/sonet.h>
+#include <linux/atm_suni.h>
+
+#include <linux/usb.h>
+#include <linux/usbdevice_fs.h>
+#include <linux/nbd.h>
+#include <linux/random.h>
+#include <linux/filter.h>
+
+#include <linux/hiddev.h>
+
+#define __DVB_CORE__
+#include <linux/dvb/audio.h>
+#include <linux/dvb/dmx.h>
+#include <linux/dvb/frontend.h>
+#include <linux/dvb/video.h>
+
+#include <linux/sort.h>
+
+#ifdef CONFIG_SPARC
+#include <asm/fbio.h>
+#endif
+
+#define convert_in_user(srcptr, dstptr)			\
+({							\
+	typeof(*srcptr) val;				\
+							\
+	get_user(val, srcptr) || put_user(val, dstptr);	\
+})
+
+static int do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	int err;
+
+	err = security_file_ioctl(file, cmd, arg);
+	if (err)
+		return err;
+
+	return vfs_ioctl(file, cmd, arg);
+}
+
+struct compat_video_event {
+	int32_t		type;
+	compat_time_t	timestamp;
+	union {
+	        video_size_t size;
+		unsigned int frame_rate;
+	} u;
+};
+#define VIDEO_GET_EVENT32 _IOR('o', 28, struct compat_video_event)
+
+static int do_video_get_event(struct file *file,
+		unsigned int cmd, struct compat_video_event __user *up)
+{
+	struct video_event __user *kevent =
+		compat_alloc_user_space(sizeof(*kevent));
+	int err;
+
+	if (kevent == NULL)
+		return -EFAULT;
+
+	err = do_ioctl(file, VIDEO_GET_EVENT, (unsigned long)kevent);
+	if (!err) {
+		err  = convert_in_user(&kevent->type, &up->type);
+		err |= convert_in_user(&kevent->timestamp, &up->timestamp);
+		err |= convert_in_user(&kevent->u.size.w, &up->u.size.w);
+		err |= convert_in_user(&kevent->u.size.h, &up->u.size.h);
+		err |= convert_in_user(&kevent->u.size.aspect_ratio,
+				&up->u.size.aspect_ratio);
+		if (err)
+			err = -EFAULT;
+	}
+
+	return err;
+}
+
+struct compat_video_still_picture {
+        compat_uptr_t iFrame;
+        int32_t size;
+};
+#define VIDEO_STILLPICTURE32 _IOW('o', 30, struct compat_video_still_picture)
+
+static int do_video_stillpicture(struct file *file,
+		unsigned int cmd, struct compat_video_still_picture __user *up)
+{
+	struct video_still_picture __user *up_native;
+	compat_uptr_t fp;
+	int32_t size;
+	int err;
+
+	err  = get_user(fp, &up->iFrame);
+	err |= get_user(size, &up->size);
+	if (err)
+		return -EFAULT;
+
+	up_native =
+		compat_alloc_user_space(sizeof(struct video_still_picture));
+
+	err =  put_user(compat_ptr(fp), &up_native->iFrame);
+	err |= put_user(size, &up_native->size);
+	if (err)
+		return -EFAULT;
+
+	err = do_ioctl(file, VIDEO_STILLPICTURE, (unsigned long) up_native);
+
+	return err;
+}
+
+#ifdef CONFIG_BLOCK
+typedef struct sg_io_hdr32 {
+	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
+	compat_int_t dxfer_direction;	/* [i] data transfer direction  */
+	unsigned char cmd_len;		/* [i] SCSI command length ( <= 16 bytes) */
+	unsigned char mx_sb_len;		/* [i] max length to write to sbp */
+	unsigned short iovec_count;	/* [i] 0 implies no scatter gather */
+	compat_uint_t dxfer_len;		/* [i] byte count of data transfer */
+	compat_uint_t dxferp;		/* [i], [*io] points to data transfer memory
+					      or scatter gather list */
+	compat_uptr_t cmdp;		/* [i], [*i] points to command to perform */
+	compat_uptr_t sbp;		/* [i], [*o] points to sense_buffer memory */
+	compat_uint_t timeout;		/* [i] MAX_UINT->no timeout (unit: millisec) */
+	compat_uint_t flags;		/* [i] 0 -> default, see SG_FLAG... */
+	compat_int_t pack_id;		/* [i->o] unused internally (normally) */
+	compat_uptr_t usr_ptr;		/* [i->o] unused internally */
+	unsigned char status;		/* [o] scsi status */
+	unsigned char masked_status;	/* [o] shifted, masked scsi status */
+	unsigned char msg_status;		/* [o] messaging level data (optional) */
+	unsigned char sb_len_wr;		/* [o] byte count actually written to sbp */
+	unsigned short host_status;	/* [o] errors from host adapter */
+	unsigned short driver_status;	/* [o] errors from software driver */
+	compat_int_t resid;		/* [o] dxfer_len - actual_transferred */
+	compat_uint_t duration;		/* [o] time taken by cmd (unit: millisec) */
+	compat_uint_t info;		/* [o] auxiliary information */
+} sg_io_hdr32_t;  /* 64 bytes long (on sparc32) */
+
+typedef struct sg_iovec32 {
+	compat_uint_t iov_base;
+	compat_uint_t iov_len;
+} sg_iovec32_t;
+
+static int sg_build_iovec(sg_io_hdr_t __user *sgio, void __user *dxferp, u16 iovec_count)
+{
+	sg_iovec_t __user *iov = (sg_iovec_t __user *) (sgio + 1);
+	sg_iovec32_t __user *iov32 = dxferp;
+	int i;
+
+	for (i = 0; i < iovec_count; i++) {
+		u32 base, len;
+
+		if (get_user(base, &iov32[i].iov_base) ||
+		    get_user(len, &iov32[i].iov_len) ||
+		    put_user(compat_ptr(base), &iov[i].iov_base) ||
+		    put_user(len, &iov[i].iov_len))
+			return -EFAULT;
+	}
+
+	if (put_user(iov, &sgio->dxferp))
+		return -EFAULT;
+	return 0;
+}
+
+static int sg_ioctl_trans(struct file *file, unsigned int cmd,
+			sg_io_hdr32_t __user *sgio32)
+{
+	sg_io_hdr_t __user *sgio;
+	u16 iovec_count;
+	u32 data;
+	void __user *dxferp;
+	int err;
+	int interface_id;
+
+	if (get_user(interface_id, &sgio32->interface_id))
+		return -EFAULT;
+	if (interface_id != 'S')
+		return do_ioctl(file, cmd, (unsigned long)sgio32);
+
+	if (get_user(iovec_count, &sgio32->iovec_count))
+		return -EFAULT;
+
+	{
+		void __user *top = compat_alloc_user_space(0);
+		void __user *new = compat_alloc_user_space(sizeof(sg_io_hdr_t) +
+				       (iovec_count * sizeof(sg_iovec_t)));
+		if (new > top)
+			return -EINVAL;
+
+		sgio = new;
+	}
+
+	/* Ok, now construct.  */
+	if (copy_in_user(&sgio->interface_id, &sgio32->interface_id,
+			 (2 * sizeof(int)) +
+			 (2 * sizeof(unsigned char)) +
+			 (1 * sizeof(unsigned short)) +
+			 (1 * sizeof(unsigned int))))
+		return -EFAULT;
+
+	if (get_user(data, &sgio32->dxferp))
+		return -EFAULT;
+	dxferp = compat_ptr(data);
+	if (iovec_count) {
+		if (sg_build_iovec(sgio, dxferp, iovec_count))
+			return -EFAULT;
+	} else {
+		if (put_user(dxferp, &sgio->dxferp))
+			return -EFAULT;
+	}
+
+	{
+		unsigned char __user *cmdp;
+		unsigned char __user *sbp;
+
+		if (get_user(data, &sgio32->cmdp))
+			return -EFAULT;
+		cmdp = compat_ptr(data);
+
+		if (get_user(data, &sgio32->sbp))
+			return -EFAULT;
+		sbp = compat_ptr(data);
+
+		if (put_user(cmdp, &sgio->cmdp) ||
+		    put_user(sbp, &sgio->sbp))
+			return -EFAULT;
+	}
+
+	if (copy_in_user(&sgio->timeout, &sgio32->timeout,
+			 3 * sizeof(int)))
+		return -EFAULT;
+
+	if (get_user(data, &sgio32->usr_ptr))
+		return -EFAULT;
+	if (put_user(compat_ptr(data), &sgio->usr_ptr))
+		return -EFAULT;
+
+	err = do_ioctl(file, cmd, (unsigned long) sgio);
+
+	if (err >= 0) {
+		void __user *datap;
+
+		if (copy_in_user(&sgio32->pack_id, &sgio->pack_id,
+				 sizeof(int)) ||
+		    get_user(datap, &sgio->usr_ptr) ||
+		    put_user((u32)(unsigned long)datap,
+			     &sgio32->usr_ptr) ||
+		    copy_in_user(&sgio32->status, &sgio->status,
+				 (4 * sizeof(unsigned char)) +
+				 (2 * sizeof(unsigned short)) +
+				 (3 * sizeof(int))))
+			err = -EFAULT;
+	}
+
+	return err;
+}
+
+struct compat_sg_req_info { /* used by SG_GET_REQUEST_TABLE ioctl() */
+	char req_state;
+	char orphan;
+	char sg_io_owned;
+	char problem;
+	int pack_id;
+	compat_uptr_t usr_ptr;
+	unsigned int duration;
+	int unused;
+};
+
+static int sg_grt_trans(struct file *file,
+		unsigned int cmd, struct compat_sg_req_info __user *o)
+{
+	int err, i;
+	sg_req_info_t __user *r;
+	r = compat_alloc_user_space(sizeof(sg_req_info_t)*SG_MAX_QUEUE);
+	err = do_ioctl(file, cmd, (unsigned long)r);
+	if (err < 0)
+		return err;
+	for (i = 0; i < SG_MAX_QUEUE; i++) {
+		void __user *ptr;
+		int d;
+
+		if (copy_in_user(o + i, r + i, offsetof(sg_req_info_t, usr_ptr)) ||
+		    get_user(ptr, &r[i].usr_ptr) ||
+		    get_user(d, &r[i].duration) ||
+		    put_user((u32)(unsigned long)(ptr), &o[i].usr_ptr) ||
+		    put_user(d, &o[i].duration))
+			return -EFAULT;
+	}
+	return err;
+}
+#endif /* CONFIG_BLOCK */
+
+struct sock_fprog32 {
+	unsigned short	len;
+	compat_caddr_t	filter;
+};
+
+#define PPPIOCSPASS32	_IOW('t', 71, struct sock_fprog32)
+#define PPPIOCSACTIVE32	_IOW('t', 70, struct sock_fprog32)
+
+static int ppp_sock_fprog_ioctl_trans(struct file *file,
+		unsigned int cmd, struct sock_fprog32 __user *u_fprog32)
+{
+	struct sock_fprog __user *u_fprog64 = compat_alloc_user_space(sizeof(struct sock_fprog));
+	void __user *fptr64;
+	u32 fptr32;
+	u16 flen;
+
+	if (get_user(flen, &u_fprog32->len) ||
+	    get_user(fptr32, &u_fprog32->filter))
+		return -EFAULT;
+
+	fptr64 = compat_ptr(fptr32);
+
+	if (put_user(flen, &u_fprog64->len) ||
+	    put_user(fptr64, &u_fprog64->filter))
+		return -EFAULT;
+
+	if (cmd == PPPIOCSPASS32)
+		cmd = PPPIOCSPASS;
+	else
+		cmd = PPPIOCSACTIVE;
+
+	return do_ioctl(file, cmd, (unsigned long) u_fprog64);
+}
+
+struct ppp_option_data32 {
+	compat_caddr_t	ptr;
+	u32			length;
+	compat_int_t		transmit;
+};
+#define PPPIOCSCOMPRESS32	_IOW('t', 77, struct ppp_option_data32)
+
+struct ppp_idle32 {
+	compat_time_t xmit_idle;
+	compat_time_t recv_idle;
+};
+#define PPPIOCGIDLE32		_IOR('t', 63, struct ppp_idle32)
+
+static int ppp_gidle(struct file *file, unsigned int cmd,
+		struct ppp_idle32 __user *idle32)
+{
+	struct ppp_idle __user *idle;
+	__kernel_time_t xmit, recv;
+	int err;
+
+	idle = compat_alloc_user_space(sizeof(*idle));
+
+	err = do_ioctl(file, PPPIOCGIDLE, (unsigned long) idle);
+
+	if (!err) {
+		if (get_user(xmit, &idle->xmit_idle) ||
+		    get_user(recv, &idle->recv_idle) ||
+		    put_user(xmit, &idle32->xmit_idle) ||
+		    put_user(recv, &idle32->recv_idle))
+			err = -EFAULT;
+	}
+	return err;
+}
+
+static int ppp_scompress(struct file *file, unsigned int cmd,
+	struct ppp_option_data32 __user *odata32)
+{
+	struct ppp_option_data __user *odata;
+	__u32 data;
+	void __user *datap;
+
+	odata = compat_alloc_user_space(sizeof(*odata));
+
+	if (get_user(data, &odata32->ptr))
+		return -EFAULT;
+
+	datap = compat_ptr(data);
+	if (put_user(datap, &odata->ptr))
+		return -EFAULT;
+
+	if (copy_in_user(&odata->length, &odata32->length,
+			 sizeof(__u32) + sizeof(int)))
+		return -EFAULT;
+
+	return do_ioctl(file, PPPIOCSCOMPRESS, (unsigned long) odata);
+}
+
+#ifdef CONFIG_BLOCK
+struct mtget32 {
+	compat_long_t	mt_type;
+	compat_long_t	mt_resid;
+	compat_long_t	mt_dsreg;
+	compat_long_t	mt_gstat;
+	compat_long_t	mt_erreg;
+	compat_daddr_t	mt_fileno;
+	compat_daddr_t	mt_blkno;
+};
+#define MTIOCGET32	_IOR('m', 2, struct mtget32)
+
+struct mtpos32 {
+	compat_long_t	mt_blkno;
+};
+#define MTIOCPOS32	_IOR('m', 3, struct mtpos32)
+
+static int mt_ioctl_trans(struct file *file,
+		unsigned int cmd, void __user *argp)
+{
+	/* NULL initialization to make gcc shut up */
+	struct mtget __user *get = NULL;
+	struct mtget32 __user *umget32;
+	struct mtpos __user *pos = NULL;
+	struct mtpos32 __user *upos32;
+	unsigned long kcmd;
+	void *karg;
+	int err = 0;
+
+	switch(cmd) {
+	case MTIOCPOS32:
+		kcmd = MTIOCPOS;
+		pos = compat_alloc_user_space(sizeof(*pos));
+		karg = pos;
+		break;
+	default:	/* MTIOCGET32 */
+		kcmd = MTIOCGET;
+		get = compat_alloc_user_space(sizeof(*get));
+		karg = get;
+		break;
+	}
+	if (karg == NULL)
+		return -EFAULT;
+	err = do_ioctl(file, kcmd, (unsigned long)karg);
+	if (err)
+		return err;
+	switch (cmd) {
+	case MTIOCPOS32:
+		upos32 = argp;
+		err = convert_in_user(&pos->mt_blkno, &upos32->mt_blkno);
+		break;
+	case MTIOCGET32:
+		umget32 = argp;
+		err = convert_in_user(&get->mt_type, &umget32->mt_type);
+		err |= convert_in_user(&get->mt_resid, &umget32->mt_resid);
+		err |= convert_in_user(&get->mt_dsreg, &umget32->mt_dsreg);
+		err |= convert_in_user(&get->mt_gstat, &umget32->mt_gstat);
+		err |= convert_in_user(&get->mt_erreg, &umget32->mt_erreg);
+		err |= convert_in_user(&get->mt_fileno, &umget32->mt_fileno);
+		err |= convert_in_user(&get->mt_blkno, &umget32->mt_blkno);
+		break;
+	}
+	return err ? -EFAULT: 0;
+}
+
+#endif /* CONFIG_BLOCK */
+
+/* Bluetooth ioctls */
+#define HCIUARTSETPROTO		_IOW('U', 200, int)
+#define HCIUARTGETPROTO		_IOR('U', 201, int)
+#define HCIUARTGETDEVICE	_IOR('U', 202, int)
+#define HCIUARTSETFLAGS		_IOW('U', 203, int)
+#define HCIUARTGETFLAGS		_IOR('U', 204, int)
+
+#define BNEPCONNADD	_IOW('B', 200, int)
+#define BNEPCONNDEL	_IOW('B', 201, int)
+#define BNEPGETCONNLIST	_IOR('B', 210, int)
+#define BNEPGETCONNINFO	_IOR('B', 211, int)
+#define BNEPGETSUPPFEAT	_IOR('B', 212, int)
+
+#define CMTPCONNADD	_IOW('C', 200, int)
+#define CMTPCONNDEL	_IOW('C', 201, int)
+#define CMTPGETCONNLIST	_IOR('C', 210, int)
+#define CMTPGETCONNINFO	_IOR('C', 211, int)
+
+#define HIDPCONNADD	_IOW('H', 200, int)
+#define HIDPCONNDEL	_IOW('H', 201, int)
+#define HIDPGETCONNLIST	_IOR('H', 210, int)
+#define HIDPGETCONNINFO	_IOR('H', 211, int)
+
+
+struct serial_struct32 {
+        compat_int_t    type;
+        compat_int_t    line;
+        compat_uint_t   port;
+        compat_int_t    irq;
+        compat_int_t    flags;
+        compat_int_t    xmit_fifo_size;
+        compat_int_t    custom_divisor;
+        compat_int_t    baud_base;
+        unsigned short  close_delay;
+        char    io_type;
+        char    reserved_char[1];
+        compat_int_t    hub6;
+        unsigned short  closing_wait; /* time to wait before closing */
+        unsigned short  closing_wait2; /* no longer used... */
+        compat_uint_t   iomem_base;
+        unsigned short  iomem_reg_shift;
+        unsigned int    port_high;
+     /* compat_ulong_t  iomap_base FIXME */
+        compat_int_t    reserved[1];
+};
+
+static int serial_struct_ioctl(struct file *file,
+		unsigned cmd, struct serial_struct32 __user *ss32)
+{
+        typedef struct serial_struct32 SS32;
+        int err;
+	struct serial_struct __user *ss = compat_alloc_user_space(sizeof(*ss));
+        __u32 udata;
+	unsigned int base;
+	unsigned char *iomem_base;
+
+	if (ss == NULL)
+		return -EFAULT;
+        if (cmd == TIOCSSERIAL) {
+		if (copy_in_user(ss, ss32, offsetof(SS32, iomem_base)) ||
+		    get_user(udata, &ss32->iomem_base))
+			return -EFAULT;
+		iomem_base = compat_ptr(udata);
+		if (put_user(iomem_base, &ss->iomem_base) ||
+		    convert_in_user(&ss32->iomem_reg_shift,
+		      &ss->iomem_reg_shift) ||
+		    convert_in_user(&ss32->port_high, &ss->port_high) ||
+		    put_user(0UL, &ss->iomap_base))
+			return -EFAULT;
+        }
+	err = do_ioctl(file, cmd, (unsigned long)ss);
+        if (cmd == TIOCGSERIAL && err >= 0) {
+		if (copy_in_user(ss32, ss, offsetof(SS32, iomem_base)) ||
+		    get_user(iomem_base, &ss->iomem_base))
+			return -EFAULT;
+		base = (unsigned long)iomem_base  >> 32 ?
+			0xffffffff : (unsigned)(unsigned long)iomem_base;
+		if (put_user(base, &ss32->iomem_base) ||
+		    convert_in_user(&ss->iomem_reg_shift,
+		      &ss32->iomem_reg_shift) ||
+		    convert_in_user(&ss->port_high, &ss32->port_high))
+			return -EFAULT;
+        }
+        return err;
+}
+
+#define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
+#define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
+#define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
+#define RTC_EPOCH_SET32		_IOW('p', 0x0e, compat_ulong_t)
+
+static int rtc_ioctl(struct file *file,
+		unsigned cmd, void __user *argp)
+{
+	unsigned long __user *valp = compat_alloc_user_space(sizeof(*valp));
+	int ret;
+
+	if (valp == NULL)
+		return -EFAULT;
+	switch (cmd) {
+	case RTC_IRQP_READ32:
+	case RTC_EPOCH_READ32:
+		ret = do_ioctl(file, (cmd == RTC_IRQP_READ32) ?
+					RTC_IRQP_READ : RTC_EPOCH_READ,
+					(unsigned long)valp);
+		if (ret)
+			return ret;
+		return convert_in_user(valp, (unsigned int __user *)argp);
+	case RTC_IRQP_SET32:
+		return do_ioctl(file, RTC_IRQP_SET, (unsigned long)argp);
+	case RTC_EPOCH_SET32:
+		return do_ioctl(file, RTC_EPOCH_SET, (unsigned long)argp);
+	}
+
+	return -ENOIOCTLCMD;
+}
+
+/* on ia32 l_start is on a 32-bit boundary */
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+struct space_resv_32 {
+	__s16		l_type;
+	__s16		l_whence;
+	__s64		l_start	__attribute__((packed));
+			/* len == 0 means until end of file */
+	__s64		l_len __attribute__((packed));
+	__s32		l_sysid;
+	__u32		l_pid;
+	__s32		l_pad[4];	/* reserve area */
+};
+
+#define FS_IOC_RESVSP_32		_IOW ('X', 40, struct space_resv_32)
+#define FS_IOC_RESVSP64_32	_IOW ('X', 42, struct space_resv_32)
+
+/* just account for different alignment */
+static int compat_ioctl_preallocate(struct file *file,
+			struct space_resv_32    __user *p32)
+{
+	struct space_resv	__user *p = compat_alloc_user_space(sizeof(*p));
+
+	if (copy_in_user(&p->l_type,	&p32->l_type,	sizeof(s16)) ||
+	    copy_in_user(&p->l_whence,	&p32->l_whence, sizeof(s16)) ||
+	    copy_in_user(&p->l_start,	&p32->l_start,	sizeof(s64)) ||
+	    copy_in_user(&p->l_len,	&p32->l_len,	sizeof(s64)) ||
+	    copy_in_user(&p->l_sysid,	&p32->l_sysid,	sizeof(s32)) ||
+	    copy_in_user(&p->l_pid,	&p32->l_pid,	sizeof(u32)) ||
+	    copy_in_user(&p->l_pad,	&p32->l_pad,	4*sizeof(u32)))
+		return -EFAULT;
+
+	return ioctl_preallocate(file, p);
+}
+#endif
+
+/*
+ * simple reversible transform to make our table more evenly
+ * distributed after sorting.
+ */
+#define XFORM(i) (((i) ^ ((i) << 27) ^ ((i) << 17)) & 0xffffffff)
+
+#define COMPATIBLE_IOCTL(cmd) XFORM((u32)cmd),
+/* ioctl should not be warned about even if it's not implemented.
+   Valid reasons to use this:
+   - It is implemented with ->compat_ioctl on some device, but programs
+   call it on others too.
+   - The ioctl is not implemented in the native kernel, but programs
+   call it commonly anyways.
+   Most other reasons are not valid. */
+#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
+
+static unsigned int ioctl_pointer[] = {
+/* compatible ioctls first */
+COMPATIBLE_IOCTL(0x4B50)   /* KDGHWCLK - not in the kernel, but don't complain */
+COMPATIBLE_IOCTL(0x4B51)   /* KDSHWCLK - not in the kernel, but don't complain */
+
+/* Big T */
+COMPATIBLE_IOCTL(TCGETA)
+COMPATIBLE_IOCTL(TCSETA)
+COMPATIBLE_IOCTL(TCSETAW)
+COMPATIBLE_IOCTL(TCSETAF)
+COMPATIBLE_IOCTL(TCSBRK)
+COMPATIBLE_IOCTL(TCXONC)
+COMPATIBLE_IOCTL(TCFLSH)
+COMPATIBLE_IOCTL(TCGETS)
+COMPATIBLE_IOCTL(TCSETS)
+COMPATIBLE_IOCTL(TCSETSW)
+COMPATIBLE_IOCTL(TCSETSF)
+COMPATIBLE_IOCTL(TIOCLINUX)
+COMPATIBLE_IOCTL(TIOCSBRK)
+COMPATIBLE_IOCTL(TIOCGDEV)
+COMPATIBLE_IOCTL(TIOCCBRK)
+COMPATIBLE_IOCTL(TIOCGSID)
+COMPATIBLE_IOCTL(TIOCGICOUNT)
+COMPATIBLE_IOCTL(TIOCGEXCL)
+/* Little t */
+COMPATIBLE_IOCTL(TIOCGETD)
+COMPATIBLE_IOCTL(TIOCSETD)
+COMPATIBLE_IOCTL(TIOCEXCL)
+COMPATIBLE_IOCTL(TIOCNXCL)
+COMPATIBLE_IOCTL(TIOCCONS)
+COMPATIBLE_IOCTL(TIOCGSOFTCAR)
+COMPATIBLE_IOCTL(TIOCSSOFTCAR)
+COMPATIBLE_IOCTL(TIOCSWINSZ)
+COMPATIBLE_IOCTL(TIOCGWINSZ)
+COMPATIBLE_IOCTL(TIOCMGET)
+COMPATIBLE_IOCTL(TIOCMBIC)
+COMPATIBLE_IOCTL(TIOCMBIS)
+COMPATIBLE_IOCTL(TIOCMSET)
+COMPATIBLE_IOCTL(TIOCNOTTY)
+COMPATIBLE_IOCTL(TIOCSTI)
+COMPATIBLE_IOCTL(TIOCOUTQ)
+COMPATIBLE_IOCTL(TIOCSPGRP)
+COMPATIBLE_IOCTL(TIOCGPGRP)
+COMPATIBLE_IOCTL(TIOCSERGETLSR)
+#ifdef TIOCSRS485
+COMPATIBLE_IOCTL(TIOCSRS485)
+#endif
+#ifdef TIOCGRS485
+COMPATIBLE_IOCTL(TIOCGRS485)
+#endif
+#ifdef TCGETS2
+COMPATIBLE_IOCTL(TCGETS2)
+COMPATIBLE_IOCTL(TCSETS2)
+COMPATIBLE_IOCTL(TCSETSW2)
+COMPATIBLE_IOCTL(TCSETSF2)
+#endif
+/* Little f */
+COMPATIBLE_IOCTL(FIOCLEX)
+COMPATIBLE_IOCTL(FIONCLEX)
+COMPATIBLE_IOCTL(FIOASYNC)
+COMPATIBLE_IOCTL(FIONBIO)
+COMPATIBLE_IOCTL(FIONREAD)  /* This is also TIOCINQ */
+COMPATIBLE_IOCTL(FS_IOC_FIEMAP)
+/* 0x00 */
+COMPATIBLE_IOCTL(FIBMAP)
+COMPATIBLE_IOCTL(FIGETBSZ)
+/* 'X' - originally XFS but some now in the VFS */
+COMPATIBLE_IOCTL(FIFREEZE)
+COMPATIBLE_IOCTL(FITHAW)
+COMPATIBLE_IOCTL(FITRIM)
+COMPATIBLE_IOCTL(KDGETKEYCODE)
+COMPATIBLE_IOCTL(KDSETKEYCODE)
+COMPATIBLE_IOCTL(KDGKBTYPE)
+COMPATIBLE_IOCTL(KDGETMODE)
+COMPATIBLE_IOCTL(KDGKBMODE)
+COMPATIBLE_IOCTL(KDGKBMETA)
+COMPATIBLE_IOCTL(KDGKBENT)
+COMPATIBLE_IOCTL(KDSKBENT)
+COMPATIBLE_IOCTL(KDGKBSENT)
+COMPATIBLE_IOCTL(KDSKBSENT)
+COMPATIBLE_IOCTL(KDGKBDIACR)
+COMPATIBLE_IOCTL(KDSKBDIACR)
+COMPATIBLE_IOCTL(KDGKBDIACRUC)
+COMPATIBLE_IOCTL(KDSKBDIACRUC)
+COMPATIBLE_IOCTL(KDKBDREP)
+COMPATIBLE_IOCTL(KDGKBLED)
+COMPATIBLE_IOCTL(KDGETLED)
+#ifdef CONFIG_BLOCK
+/* Big S */
+COMPATIBLE_IOCTL(SCSI_IOCTL_GET_IDLUN)
+COMPATIBLE_IOCTL(SCSI_IOCTL_DOORLOCK)
+COMPATIBLE_IOCTL(SCSI_IOCTL_DOORUNLOCK)
+COMPATIBLE_IOCTL(SCSI_IOCTL_TEST_UNIT_READY)
+COMPATIBLE_IOCTL(SCSI_IOCTL_GET_BUS_NUMBER)
+COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
+COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
+COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
+#endif
+/* Big V (don't complain on serial console) */
+IGNORE_IOCTL(VT_OPENQRY)
+IGNORE_IOCTL(VT_GETMODE)
+/* Little p (/dev/rtc, /dev/envctrl, etc.) */
+COMPATIBLE_IOCTL(RTC_AIE_ON)
+COMPATIBLE_IOCTL(RTC_AIE_OFF)
+COMPATIBLE_IOCTL(RTC_UIE_ON)
+COMPATIBLE_IOCTL(RTC_UIE_OFF)
+COMPATIBLE_IOCTL(RTC_PIE_ON)
+COMPATIBLE_IOCTL(RTC_PIE_OFF)
+COMPATIBLE_IOCTL(RTC_WIE_ON)
+COMPATIBLE_IOCTL(RTC_WIE_OFF)
+COMPATIBLE_IOCTL(RTC_ALM_SET)
+COMPATIBLE_IOCTL(RTC_ALM_READ)
+COMPATIBLE_IOCTL(RTC_RD_TIME)
+COMPATIBLE_IOCTL(RTC_SET_TIME)
+COMPATIBLE_IOCTL(RTC_WKALM_SET)
+COMPATIBLE_IOCTL(RTC_WKALM_RD)
+/*
+ * These two are only for the sbus rtc driver, but
+ * hwclock tries them on every rtc device first when
+ * running on sparc.  On other architectures the entries
+ * are useless but harmless.
+ */
+COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
+COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
+/* Little m */
+COMPATIBLE_IOCTL(MTIOCTOP)
+/* Socket level stuff */
+COMPATIBLE_IOCTL(FIOQSIZE)
+#ifdef CONFIG_BLOCK
+/* md calls this on random blockdevs */
+IGNORE_IOCTL(RAID_VERSION)
+/* qemu/qemu-img might call these two on plain files for probing */
+IGNORE_IOCTL(CDROM_DRIVE_STATUS)
+IGNORE_IOCTL(FDGETPRM32)
+/* SG stuff */
+COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
+COMPATIBLE_IOCTL(SG_GET_TIMEOUT)
+COMPATIBLE_IOCTL(SG_EMULATED_HOST)
+COMPATIBLE_IOCTL(SG_GET_TRANSFORM)
+COMPATIBLE_IOCTL(SG_SET_RESERVED_SIZE)
+COMPATIBLE_IOCTL(SG_GET_RESERVED_SIZE)
+COMPATIBLE_IOCTL(SG_GET_SCSI_ID)
+COMPATIBLE_IOCTL(SG_SET_FORCE_LOW_DMA)
+COMPATIBLE_IOCTL(SG_GET_LOW_DMA)
+COMPATIBLE_IOCTL(SG_SET_FORCE_PACK_ID)
+COMPATIBLE_IOCTL(SG_GET_PACK_ID)
+COMPATIBLE_IOCTL(SG_GET_NUM_WAITING)
+COMPATIBLE_IOCTL(SG_SET_DEBUG)
+COMPATIBLE_IOCTL(SG_GET_SG_TABLESIZE)
+COMPATIBLE_IOCTL(SG_GET_COMMAND_Q)
+COMPATIBLE_IOCTL(SG_SET_COMMAND_Q)
+COMPATIBLE_IOCTL(SG_GET_VERSION_NUM)
+COMPATIBLE_IOCTL(SG_NEXT_CMD_LEN)
+COMPATIBLE_IOCTL(SG_SCSI_RESET)
+COMPATIBLE_IOCTL(SG_GET_REQUEST_TABLE)
+COMPATIBLE_IOCTL(SG_SET_KEEP_ORPHAN)
+COMPATIBLE_IOCTL(SG_GET_KEEP_ORPHAN)
+#endif
+/* PPP stuff */
+COMPATIBLE_IOCTL(PPPIOCGFLAGS)
+COMPATIBLE_IOCTL(PPPIOCSFLAGS)
+COMPATIBLE_IOCTL(PPPIOCGASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCSASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCGUNIT)
+COMPATIBLE_IOCTL(PPPIOCGRASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCSRASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCGMRU)
+COMPATIBLE_IOCTL(PPPIOCSMRU)
+COMPATIBLE_IOCTL(PPPIOCSMAXCID)
+COMPATIBLE_IOCTL(PPPIOCGXASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCSXASYNCMAP)
+COMPATIBLE_IOCTL(PPPIOCXFERUNIT)
+/* PPPIOCSCOMPRESS is translated */
+COMPATIBLE_IOCTL(PPPIOCGNPMODE)
+COMPATIBLE_IOCTL(PPPIOCSNPMODE)
+COMPATIBLE_IOCTL(PPPIOCGDEBUG)
+COMPATIBLE_IOCTL(PPPIOCSDEBUG)
+/* PPPIOCSPASS is translated */
+/* PPPIOCSACTIVE is translated */
+/* PPPIOCGIDLE is translated */
+COMPATIBLE_IOCTL(PPPIOCNEWUNIT)
+COMPATIBLE_IOCTL(PPPIOCATTACH)
+COMPATIBLE_IOCTL(PPPIOCDETACH)
+COMPATIBLE_IOCTL(PPPIOCSMRRU)
+COMPATIBLE_IOCTL(PPPIOCCONNECT)
+COMPATIBLE_IOCTL(PPPIOCDISCONN)
+COMPATIBLE_IOCTL(PPPIOCATTCHAN)
+COMPATIBLE_IOCTL(PPPIOCGCHAN)
+COMPATIBLE_IOCTL(PPPIOCGL2TPSTATS)
+/* Big A */
+/* sparc only */
+/* Big Q for sound/OSS */
+COMPATIBLE_IOCTL(SNDCTL_SEQ_RESET)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_SYNC)
+COMPATIBLE_IOCTL(SNDCTL_SYNTH_INFO)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_CTRLRATE)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_GETOUTCOUNT)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_GETINCOUNT)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_PERCMODE)
+COMPATIBLE_IOCTL(SNDCTL_FM_LOAD_INSTR)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_TESTMIDI)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_RESETSAMPLES)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_NRSYNTHS)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_NRMIDIS)
+COMPATIBLE_IOCTL(SNDCTL_MIDI_INFO)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_THRESHOLD)
+COMPATIBLE_IOCTL(SNDCTL_SYNTH_MEMAVL)
+COMPATIBLE_IOCTL(SNDCTL_FM_4OP_ENABLE)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_PANIC)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_OUTOFBAND)
+COMPATIBLE_IOCTL(SNDCTL_SEQ_GETTIME)
+COMPATIBLE_IOCTL(SNDCTL_SYNTH_ID)
+COMPATIBLE_IOCTL(SNDCTL_SYNTH_CONTROL)
+COMPATIBLE_IOCTL(SNDCTL_SYNTH_REMOVESAMPLE)
+/* Big T for sound/OSS */
+COMPATIBLE_IOCTL(SNDCTL_TMR_TIMEBASE)
+COMPATIBLE_IOCTL(SNDCTL_TMR_START)
+COMPATIBLE_IOCTL(SNDCTL_TMR_STOP)
+COMPATIBLE_IOCTL(SNDCTL_TMR_CONTINUE)
+COMPATIBLE_IOCTL(SNDCTL_TMR_TEMPO)
+COMPATIBLE_IOCTL(SNDCTL_TMR_SOURCE)
+COMPATIBLE_IOCTL(SNDCTL_TMR_METRONOME)
+COMPATIBLE_IOCTL(SNDCTL_TMR_SELECT)
+/* Little m for sound/OSS */
+COMPATIBLE_IOCTL(SNDCTL_MIDI_PRETIME)
+COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUMODE)
+COMPATIBLE_IOCTL(SNDCTL_MIDI_MPUCMD)
+/* Big P for sound/OSS */
+COMPATIBLE_IOCTL(SNDCTL_DSP_RESET)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SYNC)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SPEED)
+COMPATIBLE_IOCTL(SNDCTL_DSP_STEREO)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETBLKSIZE)
+COMPATIBLE_IOCTL(SNDCTL_DSP_CHANNELS)
+COMPATIBLE_IOCTL(SOUND_PCM_WRITE_FILTER)
+COMPATIBLE_IOCTL(SNDCTL_DSP_POST)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SUBDIVIDE)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SETFRAGMENT)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETFMTS)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SETFMT)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETOSPACE)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETISPACE)
+COMPATIBLE_IOCTL(SNDCTL_DSP_NONBLOCK)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETCAPS)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETTRIGGER)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SETTRIGGER)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETIPTR)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETOPTR)
+/* SNDCTL_DSP_MAPINBUF,  XXX needs translation */
+/* SNDCTL_DSP_MAPOUTBUF,  XXX needs translation */
+COMPATIBLE_IOCTL(SNDCTL_DSP_SETSYNCRO)
+COMPATIBLE_IOCTL(SNDCTL_DSP_SETDUPLEX)
+COMPATIBLE_IOCTL(SNDCTL_DSP_GETODELAY)
+COMPATIBLE_IOCTL(SNDCTL_DSP_PROFILE)
+COMPATIBLE_IOCTL(SOUND_PCM_READ_RATE)
+COMPATIBLE_IOCTL(SOUND_PCM_READ_CHANNELS)
+COMPATIBLE_IOCTL(SOUND_PCM_READ_BITS)
+COMPATIBLE_IOCTL(SOUND_PCM_READ_FILTER)
+/* Big C for sound/OSS */
+COMPATIBLE_IOCTL(SNDCTL_COPR_RESET)
+COMPATIBLE_IOCTL(SNDCTL_COPR_LOAD)
+COMPATIBLE_IOCTL(SNDCTL_COPR_RDATA)
+COMPATIBLE_IOCTL(SNDCTL_COPR_RCODE)
+COMPATIBLE_IOCTL(SNDCTL_COPR_WDATA)
+COMPATIBLE_IOCTL(SNDCTL_COPR_WCODE)
+COMPATIBLE_IOCTL(SNDCTL_COPR_RUN)
+COMPATIBLE_IOCTL(SNDCTL_COPR_HALT)
+COMPATIBLE_IOCTL(SNDCTL_COPR_SENDMSG)
+COMPATIBLE_IOCTL(SNDCTL_COPR_RCVMSG)
+/* Big M for sound/OSS */
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_VOLUME)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_BASS)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_TREBLE)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_SYNTH)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_PCM)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_SPEAKER)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_MIC)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_CD)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_IMIX)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_ALTPCM)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECLEV)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_IGAIN)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_OGAIN)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE1)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE2)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_LINE3)
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL1))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL2))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_DIGITAL3))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEIN))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_PHONEOUT))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_VIDEO))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_RADIO))
+COMPATIBLE_IOCTL(MIXER_READ(SOUND_MIXER_MONITOR))
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_MUTE)
+/* SOUND_MIXER_READ_ENHANCE,  same value as READ_MUTE */
+/* SOUND_MIXER_READ_LOUD,  same value as READ_MUTE */
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECSRC)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_DEVMASK)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_RECMASK)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_STEREODEVS)
+COMPATIBLE_IOCTL(SOUND_MIXER_READ_CAPS)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_VOLUME)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_BASS)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_TREBLE)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SYNTH)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_PCM)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_SPEAKER)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MIC)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_CD)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IMIX)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_ALTPCM)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECLEV)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_IGAIN)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_OGAIN)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE1)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE2)
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_LINE3)
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL1))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL2))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_DIGITAL3))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEIN))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_PHONEOUT))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_VIDEO))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_RADIO))
+COMPATIBLE_IOCTL(MIXER_WRITE(SOUND_MIXER_MONITOR))
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_MUTE)
+/* SOUND_MIXER_WRITE_ENHANCE,  same value as WRITE_MUTE */
+/* SOUND_MIXER_WRITE_LOUD,  same value as WRITE_MUTE */
+COMPATIBLE_IOCTL(SOUND_MIXER_WRITE_RECSRC)
+COMPATIBLE_IOCTL(SOUND_MIXER_INFO)
+COMPATIBLE_IOCTL(SOUND_OLD_MIXER_INFO)
+COMPATIBLE_IOCTL(SOUND_MIXER_ACCESS)
+COMPATIBLE_IOCTL(SOUND_MIXER_AGC)
+COMPATIBLE_IOCTL(SOUND_MIXER_3DSE)
+COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE1)
+COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE2)
+COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE3)
+COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE4)
+COMPATIBLE_IOCTL(SOUND_MIXER_PRIVATE5)
+COMPATIBLE_IOCTL(SOUND_MIXER_GETLEVELS)
+COMPATIBLE_IOCTL(SOUND_MIXER_SETLEVELS)
+COMPATIBLE_IOCTL(OSS_GETVERSION)
+/* Raw devices */
+COMPATIBLE_IOCTL(RAW_SETBIND)
+COMPATIBLE_IOCTL(RAW_GETBIND)
+/* Watchdog */
+COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
+COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
+COMPATIBLE_IOCTL(WDIOC_GETBOOTSTATUS)
+COMPATIBLE_IOCTL(WDIOC_GETTEMP)
+COMPATIBLE_IOCTL(WDIOC_SETOPTIONS)
+COMPATIBLE_IOCTL(WDIOC_KEEPALIVE)
+COMPATIBLE_IOCTL(WDIOC_SETTIMEOUT)
+COMPATIBLE_IOCTL(WDIOC_GETTIMEOUT)
+COMPATIBLE_IOCTL(WDIOC_SETPRETIMEOUT)
+COMPATIBLE_IOCTL(WDIOC_GETPRETIMEOUT)
+/* Big R */
+COMPATIBLE_IOCTL(RNDGETENTCNT)
+COMPATIBLE_IOCTL(RNDADDTOENTCNT)
+COMPATIBLE_IOCTL(RNDGETPOOL)
+COMPATIBLE_IOCTL(RNDADDENTROPY)
+COMPATIBLE_IOCTL(RNDZAPENTCNT)
+COMPATIBLE_IOCTL(RNDCLEARPOOL)
+/* Bluetooth */
+COMPATIBLE_IOCTL(HCIDEVUP)
+COMPATIBLE_IOCTL(HCIDEVDOWN)
+COMPATIBLE_IOCTL(HCIDEVRESET)
+COMPATIBLE_IOCTL(HCIDEVRESTAT)
+COMPATIBLE_IOCTL(HCIGETDEVLIST)
+COMPATIBLE_IOCTL(HCIGETDEVINFO)
+COMPATIBLE_IOCTL(HCIGETCONNLIST)
+COMPATIBLE_IOCTL(HCIGETCONNINFO)
+COMPATIBLE_IOCTL(HCIGETAUTHINFO)
+COMPATIBLE_IOCTL(HCISETRAW)
+COMPATIBLE_IOCTL(HCISETSCAN)
+COMPATIBLE_IOCTL(HCISETAUTH)
+COMPATIBLE_IOCTL(HCISETENCRYPT)
+COMPATIBLE_IOCTL(HCISETPTYPE)
+COMPATIBLE_IOCTL(HCISETLINKPOL)
+COMPATIBLE_IOCTL(HCISETLINKMODE)
+COMPATIBLE_IOCTL(HCISETACLMTU)
+COMPATIBLE_IOCTL(HCISETSCOMTU)
+COMPATIBLE_IOCTL(HCIBLOCKADDR)
+COMPATIBLE_IOCTL(HCIUNBLOCKADDR)
+COMPATIBLE_IOCTL(HCIINQUIRY)
+COMPATIBLE_IOCTL(HCIUARTSETPROTO)
+COMPATIBLE_IOCTL(HCIUARTGETPROTO)
+COMPATIBLE_IOCTL(HCIUARTGETDEVICE)
+COMPATIBLE_IOCTL(HCIUARTSETFLAGS)
+COMPATIBLE_IOCTL(HCIUARTGETFLAGS)
+COMPATIBLE_IOCTL(RFCOMMCREATEDEV)
+COMPATIBLE_IOCTL(RFCOMMRELEASEDEV)
+COMPATIBLE_IOCTL(RFCOMMGETDEVLIST)
+COMPATIBLE_IOCTL(RFCOMMGETDEVINFO)
+COMPATIBLE_IOCTL(RFCOMMSTEALDLC)
+COMPATIBLE_IOCTL(BNEPCONNADD)
+COMPATIBLE_IOCTL(BNEPCONNDEL)
+COMPATIBLE_IOCTL(BNEPGETCONNLIST)
+COMPATIBLE_IOCTL(BNEPGETCONNINFO)
+COMPATIBLE_IOCTL(BNEPGETSUPPFEAT)
+COMPATIBLE_IOCTL(CMTPCONNADD)
+COMPATIBLE_IOCTL(CMTPCONNDEL)
+COMPATIBLE_IOCTL(CMTPGETCONNLIST)
+COMPATIBLE_IOCTL(CMTPGETCONNINFO)
+COMPATIBLE_IOCTL(HIDPCONNADD)
+COMPATIBLE_IOCTL(HIDPCONNDEL)
+COMPATIBLE_IOCTL(HIDPGETCONNLIST)
+COMPATIBLE_IOCTL(HIDPGETCONNINFO)
+/* CAPI */
+COMPATIBLE_IOCTL(CAPI_REGISTER)
+COMPATIBLE_IOCTL(CAPI_GET_MANUFACTURER)
+COMPATIBLE_IOCTL(CAPI_GET_VERSION)
+COMPATIBLE_IOCTL(CAPI_GET_SERIAL)
+COMPATIBLE_IOCTL(CAPI_GET_PROFILE)
+COMPATIBLE_IOCTL(CAPI_MANUFACTURER_CMD)
+COMPATIBLE_IOCTL(CAPI_GET_ERRCODE)
+COMPATIBLE_IOCTL(CAPI_INSTALLED)
+COMPATIBLE_IOCTL(CAPI_GET_FLAGS)
+COMPATIBLE_IOCTL(CAPI_SET_FLAGS)
+COMPATIBLE_IOCTL(CAPI_CLR_FLAGS)
+COMPATIBLE_IOCTL(CAPI_NCCI_OPENCOUNT)
+COMPATIBLE_IOCTL(CAPI_NCCI_GETUNIT)
+/* Siemens Gigaset */
+COMPATIBLE_IOCTL(GIGASET_REDIR)
+COMPATIBLE_IOCTL(GIGASET_CONFIG)
+COMPATIBLE_IOCTL(GIGASET_BRKCHARS)
+COMPATIBLE_IOCTL(GIGASET_VERSION)
+/* Misc. */
+COMPATIBLE_IOCTL(0x41545900)		/* ATYIO_CLKR */
+COMPATIBLE_IOCTL(0x41545901)		/* ATYIO_CLKW */
+COMPATIBLE_IOCTL(PCIIOC_CONTROLLER)
+COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_IO)
+COMPATIBLE_IOCTL(PCIIOC_MMAP_IS_MEM)
+COMPATIBLE_IOCTL(PCIIOC_WRITE_COMBINE)
+/* hiddev */
+COMPATIBLE_IOCTL(HIDIOCGVERSION)
+COMPATIBLE_IOCTL(HIDIOCAPPLICATION)
+COMPATIBLE_IOCTL(HIDIOCGDEVINFO)
+COMPATIBLE_IOCTL(HIDIOCGSTRING)
+COMPATIBLE_IOCTL(HIDIOCINITREPORT)
+COMPATIBLE_IOCTL(HIDIOCGREPORT)
+COMPATIBLE_IOCTL(HIDIOCSREPORT)
+COMPATIBLE_IOCTL(HIDIOCGREPORTINFO)
+COMPATIBLE_IOCTL(HIDIOCGFIELDINFO)
+COMPATIBLE_IOCTL(HIDIOCGUSAGE)
+COMPATIBLE_IOCTL(HIDIOCSUSAGE)
+COMPATIBLE_IOCTL(HIDIOCGUCODE)
+COMPATIBLE_IOCTL(HIDIOCGFLAG)
+COMPATIBLE_IOCTL(HIDIOCSFLAG)
+COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINDEX)
+COMPATIBLE_IOCTL(HIDIOCGCOLLECTIONINFO)
+/* dvb */
+COMPATIBLE_IOCTL(AUDIO_STOP)
+COMPATIBLE_IOCTL(AUDIO_PLAY)
+COMPATIBLE_IOCTL(AUDIO_PAUSE)
+COMPATIBLE_IOCTL(AUDIO_CONTINUE)
+COMPATIBLE_IOCTL(AUDIO_SELECT_SOURCE)
+COMPATIBLE_IOCTL(AUDIO_SET_MUTE)
+COMPATIBLE_IOCTL(AUDIO_SET_AV_SYNC)
+COMPATIBLE_IOCTL(AUDIO_SET_BYPASS_MODE)
+COMPATIBLE_IOCTL(AUDIO_CHANNEL_SELECT)
+COMPATIBLE_IOCTL(AUDIO_GET_STATUS)
+COMPATIBLE_IOCTL(AUDIO_GET_CAPABILITIES)
+COMPATIBLE_IOCTL(AUDIO_CLEAR_BUFFER)
+COMPATIBLE_IOCTL(AUDIO_SET_ID)
+COMPATIBLE_IOCTL(AUDIO_SET_MIXER)
+COMPATIBLE_IOCTL(AUDIO_SET_STREAMTYPE)
+COMPATIBLE_IOCTL(DMX_START)
+COMPATIBLE_IOCTL(DMX_STOP)
+COMPATIBLE_IOCTL(DMX_SET_FILTER)
+COMPATIBLE_IOCTL(DMX_SET_PES_FILTER)
+COMPATIBLE_IOCTL(DMX_SET_BUFFER_SIZE)
+COMPATIBLE_IOCTL(DMX_GET_PES_PIDS)
+COMPATIBLE_IOCTL(DMX_GET_STC)
+COMPATIBLE_IOCTL(DMX_REQBUFS)
+COMPATIBLE_IOCTL(DMX_QUERYBUF)
+COMPATIBLE_IOCTL(DMX_EXPBUF)
+COMPATIBLE_IOCTL(DMX_QBUF)
+COMPATIBLE_IOCTL(DMX_DQBUF)
+COMPATIBLE_IOCTL(VIDEO_STOP)
+COMPATIBLE_IOCTL(VIDEO_PLAY)
+COMPATIBLE_IOCTL(VIDEO_FREEZE)
+COMPATIBLE_IOCTL(VIDEO_CONTINUE)
+COMPATIBLE_IOCTL(VIDEO_SELECT_SOURCE)
+COMPATIBLE_IOCTL(VIDEO_SET_BLANK)
+COMPATIBLE_IOCTL(VIDEO_GET_STATUS)
+COMPATIBLE_IOCTL(VIDEO_SET_DISPLAY_FORMAT)
+COMPATIBLE_IOCTL(VIDEO_FAST_FORWARD)
+COMPATIBLE_IOCTL(VIDEO_SLOWMOTION)
+COMPATIBLE_IOCTL(VIDEO_GET_CAPABILITIES)
+COMPATIBLE_IOCTL(VIDEO_CLEAR_BUFFER)
+COMPATIBLE_IOCTL(VIDEO_SET_STREAMTYPE)
+COMPATIBLE_IOCTL(VIDEO_SET_FORMAT)
+COMPATIBLE_IOCTL(VIDEO_GET_SIZE)
+/* cec */
+COMPATIBLE_IOCTL(CEC_ADAP_G_CAPS)
+COMPATIBLE_IOCTL(CEC_ADAP_G_LOG_ADDRS)
+COMPATIBLE_IOCTL(CEC_ADAP_S_LOG_ADDRS)
+COMPATIBLE_IOCTL(CEC_ADAP_G_PHYS_ADDR)
+COMPATIBLE_IOCTL(CEC_ADAP_S_PHYS_ADDR)
+COMPATIBLE_IOCTL(CEC_G_MODE)
+COMPATIBLE_IOCTL(CEC_S_MODE)
+COMPATIBLE_IOCTL(CEC_TRANSMIT)
+COMPATIBLE_IOCTL(CEC_RECEIVE)
+COMPATIBLE_IOCTL(CEC_DQEVENT)
+
+/* joystick */
+COMPATIBLE_IOCTL(JSIOCGVERSION)
+COMPATIBLE_IOCTL(JSIOCGAXES)
+COMPATIBLE_IOCTL(JSIOCGBUTTONS)
+COMPATIBLE_IOCTL(JSIOCGNAME(0))
+
+#ifdef TIOCGLTC
+COMPATIBLE_IOCTL(TIOCGLTC)
+COMPATIBLE_IOCTL(TIOCSLTC)
+#endif
+#ifdef TIOCSTART
+/*
+ * For these two we have definitions in ioctls.h and/or termios.h on
+ * some architectures but no actual implemention.  Some applications
+ * like bash call them if they are defined in the headers, so we provide
+ * entries here to avoid syslog message spew.
+ */
+COMPATIBLE_IOCTL(TIOCSTART)
+COMPATIBLE_IOCTL(TIOCSTOP)
+#endif
+
+/* fat 'r' ioctls. These are handled by fat with ->compat_ioctl,
+   but we don't want warnings on other file systems. So declare
+   them as compatible here. */
+#define VFAT_IOCTL_READDIR_BOTH32       _IOR('r', 1, struct compat_dirent[2])
+#define VFAT_IOCTL_READDIR_SHORT32      _IOR('r', 2, struct compat_dirent[2])
+
+IGNORE_IOCTL(VFAT_IOCTL_READDIR_BOTH32)
+IGNORE_IOCTL(VFAT_IOCTL_READDIR_SHORT32)
+
+#ifdef CONFIG_SPARC
+/* Sparc framebuffers, handled in sbusfb_compat_ioctl() */
+IGNORE_IOCTL(FBIOGTYPE)
+IGNORE_IOCTL(FBIOSATTR)
+IGNORE_IOCTL(FBIOGATTR)
+IGNORE_IOCTL(FBIOSVIDEO)
+IGNORE_IOCTL(FBIOGVIDEO)
+IGNORE_IOCTL(FBIOSCURPOS)
+IGNORE_IOCTL(FBIOGCURPOS)
+IGNORE_IOCTL(FBIOGCURMAX)
+IGNORE_IOCTL(FBIOPUTCMAP32)
+IGNORE_IOCTL(FBIOGETCMAP32)
+IGNORE_IOCTL(FBIOSCURSOR32)
+IGNORE_IOCTL(FBIOGCURSOR32)
+#endif
+};
+
+/*
+ * Convert common ioctl arguments based on their command number
+ *
+ * Please do not add any code in here. Instead, implement
+ * a compat_ioctl operation in the place that handleѕ the
+ * ioctl for the native case.
+ */
+static long do_ioctl_trans(unsigned int cmd,
+		 unsigned long arg, struct file *file)
+{
+	void __user *argp = compat_ptr(arg);
+
+	switch (cmd) {
+	case PPPIOCGIDLE32:
+		return ppp_gidle(file, cmd, argp);
+	case PPPIOCSCOMPRESS32:
+		return ppp_scompress(file, cmd, argp);
+	case PPPIOCSPASS32:
+	case PPPIOCSACTIVE32:
+		return ppp_sock_fprog_ioctl_trans(file, cmd, argp);
+#ifdef CONFIG_BLOCK
+	case SG_IO:
+		return sg_ioctl_trans(file, cmd, argp);
+	case SG_GET_REQUEST_TABLE:
+		return sg_grt_trans(file, cmd, argp);
+	case MTIOCGET32:
+	case MTIOCPOS32:
+		return mt_ioctl_trans(file, cmd, argp);
+#endif
+	/* Serial */
+	case TIOCGSERIAL:
+	case TIOCSSERIAL:
+		return serial_struct_ioctl(file, cmd, argp);
+	/* Not implemented in the native kernel */
+	case RTC_IRQP_READ32:
+	case RTC_IRQP_SET32:
+	case RTC_EPOCH_READ32:
+	case RTC_EPOCH_SET32:
+		return rtc_ioctl(file, cmd, argp);
+
+	/* dvb */
+	case VIDEO_GET_EVENT32:
+		return do_video_get_event(file, cmd, argp);
+	case VIDEO_STILLPICTURE32:
+		return do_video_stillpicture(file, cmd, argp);
+	}
+
+	/*
+	 * These take an integer instead of a pointer as 'arg',
+	 * so we must not do a compat_ptr() translation.
+	 */
+	switch (cmd) {
+	/* Big T */
+	case TCSBRKP:
+	case TIOCMIWAIT:
+	case TIOCSCTTY:
+	/* RAID */
+	case HOT_REMOVE_DISK:
+	case HOT_ADD_DISK:
+	case SET_DISK_FAULTY:
+	case SET_BITMAP_FILE:
+	/* Big K */
+	case KDSIGACCEPT:
+	case KIOCSOUND:
+	case KDMKTONE:
+	case KDSETMODE:
+	case KDSKBMODE:
+	case KDSKBMETA:
+	case KDSKBLED:
+	case KDSETLED:
+		return vfs_ioctl(file, cmd, arg);
+	}
+
+	return -ENOIOCTLCMD;
+}
+
+static int compat_ioctl_check_table(unsigned int xcmd)
+{
+	int i;
+	const int max = ARRAY_SIZE(ioctl_pointer) - 1;
+
+	BUILD_BUG_ON(max >= (1 << 16));
+
+	/* guess initial offset into table, assuming a
+	   normalized distribution */
+	i = ((xcmd >> 16) * max) >> 16;
+
+	/* do linear search up first, until greater or equal */
+	while (ioctl_pointer[i] < xcmd && i < max)
+		i++;
+
+	/* then do linear search down */
+	while (ioctl_pointer[i] > xcmd && i > 0)
+		i--;
+
+	return ioctl_pointer[i] == xcmd;
+}
+
+COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd,
+		       compat_ulong_t, arg32)
+{
+	unsigned long arg = arg32;
+	struct fd f = fdget(fd);
+	int error = -EBADF;
+	if (!f.file)
+		goto out;
+
+	/* RED-PEN how should LSM module know it's handling 32bit? */
+	error = security_file_ioctl(f.file, cmd, arg);
+	if (error)
+		goto out_fput;
+
+	/*
+	 * To allow the compat_ioctl handlers to be self contained
+	 * we need to check the common ioctls here first.
+	 * Just handle them with the standard handlers below.
+	 */
+	switch (cmd) {
+	case FIOCLEX:
+	case FIONCLEX:
+	case FIONBIO:
+	case FIOASYNC:
+	case FIOQSIZE:
+		break;
+
+#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+	case FS_IOC_RESVSP_32:
+	case FS_IOC_RESVSP64_32:
+		error = compat_ioctl_preallocate(f.file, compat_ptr(arg));
+		goto out_fput;
+#else
+	case FS_IOC_RESVSP:
+	case FS_IOC_RESVSP64:
+		error = ioctl_preallocate(f.file, compat_ptr(arg));
+		goto out_fput;
+#endif
+
+	case FICLONE:
+		goto do_ioctl;
+	case FICLONERANGE:
+	case FIDEDUPERANGE:
+	case FS_IOC_FIEMAP:
+		goto found_handler;
+
+	case FIBMAP:
+	case FIGETBSZ:
+	case FIONREAD:
+		if (S_ISREG(file_inode(f.file)->i_mode))
+			break;
+		/*FALL THROUGH*/
+
+	default:
+		if (f.file->f_op->compat_ioctl) {
+			error = f.file->f_op->compat_ioctl(f.file, cmd, arg);
+			if (error != -ENOIOCTLCMD)
+				goto out_fput;
+		}
+
+		if (!f.file->f_op->unlocked_ioctl)
+			goto do_ioctl;
+		break;
+	}
+
+	if (compat_ioctl_check_table(XFORM(cmd)))
+		goto found_handler;
+
+	error = do_ioctl_trans(cmd, arg, f.file);
+	if (error == -ENOIOCTLCMD)
+		error = -ENOTTY;
+
+	goto out_fput;
+
+ found_handler:
+	arg = (unsigned long)compat_ptr(arg);
+ do_ioctl:
+	error = do_vfs_ioctl(f.file, fd, cmd, arg);
+ out_fput:
+	fdput(f);
+ out:
+	return error;
+}
+
+static int __init init_sys32_ioctl_cmp(const void *p, const void *q)
+{
+	unsigned int a, b;
+	a = *(unsigned int *)p;
+	b = *(unsigned int *)q;
+	if (a > b)
+		return 1;
+	if (a < b)
+		return -1;
+	return 0;
+}
+
+static int __init init_sys32_ioctl(void)
+{
+	sort(ioctl_pointer, ARRAY_SIZE(ioctl_pointer), sizeof(*ioctl_pointer),
+		init_sys32_ioctl_cmp, NULL);
+	return 0;
+}
+__initcall(init_sys32_ioctl);