v4.19.13 snapshot.
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
new file mode 100644
index 0000000..a9b0094
--- /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;
+};
+
+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, cmd, (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;
+};
+
+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, cmd, (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)
+/* PPPOX */
+COMPATIBLE_IOCTL(PPPOEIOCSFWD)
+COMPATIBLE_IOCTL(PPPOEIOCDFWD)
+/* 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_EVENT:
+ return do_video_get_event(file, cmd, argp);
+ case VIDEO_STILLPICTURE:
+ 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:
+ case FICLONERANGE:
+ case FIDEDUPERANGE:
+ case FS_IOC_FIEMAP:
+ goto do_ioctl;
+
+ 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);