static long
msm_buspm_dev_compat_ioctl(struct file *filp, unsigned int cmd,
						unsigned long arg)
{
	return msm_buspm_dev_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
}

static inline void compat_nfs_string(struct nfs_string *dst,
				     struct compat_nfs_string *src)
{
	dst->data = compat_ptr(src->data);
	dst->len = src->len;
}

//.........这里部分代码省略.........
	
		pwfd_info = &padapter->wfd_info;
		if( padapter->wdinfo.driver_interface == DRIVER_CFG80211 )
			pwfd_info->wfd_enable = _TRUE;
		break;
	}

	case ANDROID_WIFI_CMD_WFD_DISABLE:
	{
		//	Commented by Albert 2012/07/24
		//	We can disable the WFD function by using the following command:
		//	wpa_cli driver wfd-disable
				
		struct wifi_display_info		*pwfd_info;
		_adapter*	padapter = ( _adapter * ) rtw_netdev_priv(net);
	
		pwfd_info = &padapter->wfd_info;
		if( padapter->wdinfo.driver_interface == DRIVER_CFG80211 )
			pwfd_info->wfd_enable = _FALSE;
		break;
	}
	case ANDROID_WIFI_CMD_WFD_SET_TCPPORT:
	{
		//	Commented by Albert 2012/07/24
		//	We can set the tcp port number by using the following command:
		//	wpa_cli driver wfd-set-tcpport = 554
		
		struct wifi_display_info		*pwfd_info;
		_adapter*	padapter = ( _adapter * ) rtw_netdev_priv(net);
	
		pwfd_info = &padapter->wfd_info;
		if( padapter->wdinfo.driver_interface == DRIVER_CFG80211 )
#ifdef CONFIG_COMPAT
			pwfd_info->rtsp_ctrlport = ( u16 ) get_int_from_command( compat_ptr(priv_cmd.buf) );
#else
			pwfd_info->rtsp_ctrlport = ( u16 ) get_int_from_command( priv_cmd.buf );
#endif
		break;
	}
	case ANDROID_WIFI_CMD_WFD_SET_MAX_TPUT:
	{
		
		
		break;
	}
	case ANDROID_WIFI_CMD_WFD_SET_DEVTYPE:
	{
		//	Commented by Albert 2012/08/28
		//	Specify the WFD device type ( WFD source/primary sink )
		
		struct wifi_display_info		*pwfd_info;
		_adapter*	padapter = ( _adapter * ) rtw_netdev_priv(net);
	
		pwfd_info = &padapter->wfd_info;
		if( padapter->wdinfo.driver_interface == DRIVER_CFG80211 )
		{
#ifdef CONFIG_COMPAT
			pwfd_info->wfd_device_type = ( u8 ) get_int_from_command( compat_ptr(priv_cmd.buf) );
#else
			pwfd_info->wfd_device_type = ( u8 ) get_int_from_command( priv_cmd.buf );
#endif
		
			pwfd_info->wfd_device_type &= WFD_DEVINFO_DUAL;
		}
		break;
	}

long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	/* These are just misnamed, they actually get/put from/to user an int */
	switch (cmd) {
	case EXT4_IOC32_GETFLAGS:
		cmd = EXT4_IOC_GETFLAGS;
		break;
	case EXT4_IOC32_SETFLAGS:
		cmd = EXT4_IOC_SETFLAGS;
		break;
	case EXT4_IOC32_GETVERSION:
		cmd = EXT4_IOC_GETVERSION;
		break;
	case EXT4_IOC32_SETVERSION:
		cmd = EXT4_IOC_SETVERSION;
		break;
	case EXT4_IOC32_GROUP_EXTEND:
		cmd = EXT4_IOC_GROUP_EXTEND;
		break;
	case EXT4_IOC32_GETVERSION_OLD:
		cmd = EXT4_IOC_GETVERSION_OLD;
		break;
	case EXT4_IOC32_SETVERSION_OLD:
		cmd = EXT4_IOC_SETVERSION_OLD;
		break;
	case EXT4_IOC32_GETRSVSZ:
		cmd = EXT4_IOC_GETRSVSZ;
		break;
	case EXT4_IOC32_SETRSVSZ:
		cmd = EXT4_IOC_SETRSVSZ;
		break;
	case EXT4_IOC32_GROUP_ADD: {
		struct compat_ext4_new_group_input __user *uinput;
		struct ext4_new_group_input input;
		mm_segment_t old_fs;
		int err;

		uinput = compat_ptr(arg);
		err = get_user(input.group, &uinput->group);
		err |= get_user(input.block_bitmap, &uinput->block_bitmap);
		err |= get_user(input.inode_bitmap, &uinput->inode_bitmap);
		err |= get_user(input.inode_table, &uinput->inode_table);
		err |= get_user(input.blocks_count, &uinput->blocks_count);
		err |= get_user(input.reserved_blocks,
				&uinput->reserved_blocks);
		if (err)
			return -EFAULT;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		err = ext4_ioctl(file, EXT4_IOC_GROUP_ADD,
				 (unsigned long) &input);
		set_fs(old_fs);
		return err;
	}
	case EXT4_IOC_MOVE_EXT:
	case EXT4_IOC_RESIZE_FS:
	case EXT4_IOC_PRECACHE_EXTENTS:
	case EXT4_IOC_SET_ENCRYPTION_POLICY:
	case EXT4_IOC_GET_ENCRYPTION_PWSALT:
	case EXT4_IOC_GET_ENCRYPTION_POLICY:
		break;
	default:
		return -ENOIOCTLCMD;
	}
	return ext4_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
}

COMPAT_SYSCALL_DEFINE3(fcntl64, unsigned int, fd, unsigned int, cmd,
		       compat_ulong_t, arg)
{
	mm_segment_t old_fs;
	struct flock f;
	long ret;
	unsigned int conv_cmd;

	switch (cmd) {
	case F_GETLK:
	case F_SETLK:
	case F_SETLKW:
		ret = get_compat_flock(&f, compat_ptr(arg));
		if (ret != 0)
			break;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		ret = sys_fcntl(fd, cmd, (unsigned long)&f);
		set_fs(old_fs);
		if (cmd == F_GETLK && ret == 0) {
			/* GETLK was successful and we need to return the data...
			 * but it needs to fit in the compat structure.
			 * l_start shouldn't be too big, unless the original
			 * start + end is greater than COMPAT_OFF_T_MAX, in which
			 * case the app was asking for trouble, so we return
			 * -EOVERFLOW in that case.
			 * l_len could be too big, in which case we just truncate it,
			 * and only allow the app to see that part of the conflicting
			 * lock that might make sense to it anyway
			 */

			if (f.l_start > COMPAT_OFF_T_MAX)
				ret = -EOVERFLOW;
			if (f.l_len > COMPAT_OFF_T_MAX)
				f.l_len = COMPAT_OFF_T_MAX;
			if (ret == 0)
				ret = put_compat_flock(&f, compat_ptr(arg));
		}
		break;

	case F_GETLK64:
	case F_SETLK64:
	case F_SETLKW64:
	case F_OFD_GETLK:
	case F_OFD_SETLK:
	case F_OFD_SETLKW:
		ret = get_compat_flock64(&f, compat_ptr(arg));
		if (ret != 0)
			break;
		old_fs = get_fs();
		set_fs(KERNEL_DS);
		conv_cmd = convert_fcntl_cmd(cmd);
		ret = sys_fcntl(fd, conv_cmd, (unsigned long)&f);
		set_fs(old_fs);
		if ((conv_cmd == F_GETLK || conv_cmd == F_OFD_GETLK) && ret == 0) {
			/* need to return lock information - see above for commentary */
			if (f.l_start > COMPAT_LOFF_T_MAX)
				ret = -EOVERFLOW;
			if (f.l_len > COMPAT_LOFF_T_MAX)
				f.l_len = COMPAT_LOFF_T_MAX;
			if (ret == 0)
				ret = put_compat_flock64(&f, compat_ptr(arg));
		}
		break;

	default:
		ret = sys_fcntl(fd, cmd, arg);
		break;
	}
	return ret;
}

asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
{
	int ret;
	u32 a[6];
	u32 a0, a1;

	if (call < SYS_SOCKET || call > SYS_SENDMMSG)
		return -EINVAL;
	if (copy_from_user(a, args, nas[call]))
		return -EFAULT;
	a0 = a[0];
	a1 = a[1];

	switch (call) {
	case SYS_SOCKET:
		ret = sys_socket(a0, a1, a[2]);
		break;
	case SYS_BIND:
		ret = sys_bind(a0, compat_ptr(a1), a[2]);
		break;
	case SYS_CONNECT:
		ret = sys_connect(a0, compat_ptr(a1), a[2]);
		break;
	case SYS_LISTEN:
		ret = sys_listen(a0, a1);
		break;
	case SYS_ACCEPT:
		ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0);
		break;
	case SYS_GETSOCKNAME:
		ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2]));
		break;
	case SYS_GETPEERNAME:
		ret = sys_getpeername(a0, compat_ptr(a1), compat_ptr(a[2]));
		break;
	case SYS_SOCKETPAIR:
		ret = sys_socketpair(a0, a1, a[2], compat_ptr(a[3]));
		break;
	case SYS_SEND:
		ret = sys_send(a0, compat_ptr(a1), a[2], a[3]);
		break;
	case SYS_SENDTO:
		ret = sys_sendto(a0, compat_ptr(a1), a[2], a[3], compat_ptr(a[4]), a[5]);
		break;
	case SYS_RECV:
		ret = compat_sys_recv(a0, compat_ptr(a1), a[2], a[3]);
		break;
	case SYS_RECVFROM:
		ret = compat_sys_recvfrom(a0, compat_ptr(a1), a[2], a[3],
					  compat_ptr(a[4]), compat_ptr(a[5]));
		break;
	case SYS_SHUTDOWN:
		ret = sys_shutdown(a0, a1);
		break;
	case SYS_SETSOCKOPT:
		ret = compat_sys_setsockopt(a0, a1, a[2],
				compat_ptr(a[3]), a[4]);
		break;
	case SYS_GETSOCKOPT:
		ret = compat_sys_getsockopt(a0, a1, a[2],
				compat_ptr(a[3]), compat_ptr(a[4]));
		break;
	case SYS_SENDMSG:
		ret = compat_sys_sendmsg(a0, compat_ptr(a1), a[2]);
		break;
	case SYS_SENDMMSG:
		ret = compat_sys_sendmmsg(a0, compat_ptr(a1), a[2], a[3]);
		break;
	case SYS_RECVMSG:
		ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
		break;
	case SYS_RECVMMSG:
		ret = compat_sys_recvmmsg(a0, compat_ptr(a1), a[2], a[3],
					  compat_ptr(a[4]));
		break;
	case SYS_ACCEPT4:
		ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]);
		break;
	default:
		ret = -EINVAL;
		break;
	}
	return ret;
}

static long vhost_net_compat_ioctl(struct file *f, unsigned int ioctl,
				   unsigned long arg)
{
	return vhost_net_ioctl(f, ioctl, (unsigned long)compat_ptr(arg));
}

		/* do not call the lower */
		AuDbg("0x%x\n", cmd);
		err = -ENOTTY;
	}

	AuTraceErr(err);
	return err;
}

#ifdef CONFIG_COMPAT
long aufs_compat_ioctl_dir(struct file *file, unsigned int cmd,
			   unsigned long arg)
{
	long err;

	switch (cmd) {
	case AUFS_CTL_RDU:
	case AUFS_CTL_RDU_INO:
		err = au_rdu_compat_ioctl(file, cmd, arg);
		break;

	default:
		err = aufs_ioctl_dir(file, cmd, arg);
	}

	AuTraceErr(err);
	return err;
}

#if 0 /* unused yet */
long aufs_compat_ioctl_nondir(struct file *file, unsigned int cmd,
			      unsigned long arg)
{
	return aufs_ioctl_nondir(file, cmd, (unsigned long)compat_ptr(arg));
}

static long vsock_dev_compat_ioctl(struct file *filp,
				   unsigned int cmd, unsigned long arg)
{
	return vsock_dev_do_ioctl(filp, cmd, compat_ptr(arg));
}

static int compat_fd_ioctl(struct inode *inode, struct file *file,
		struct gendisk *disk, unsigned int cmd, unsigned long arg)
{
	mm_segment_t old_fs = get_fs();
	void *karg = NULL;
	unsigned int kcmd = 0;
	int i, err;

	for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
		if (cmd == fd_ioctl_trans_table[i].cmd32) {
			kcmd = fd_ioctl_trans_table[i].cmd;
			break;
		}
	if (!kcmd)
		return -EINVAL;

	switch (cmd) {
	case FDSETPRM32:
	case FDDEFPRM32:
	case FDGETPRM32:
	{
		compat_uptr_t name;
		struct compat_floppy_struct __user *uf;
		struct floppy_struct *f;

		uf = compat_ptr(arg);
		f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
		if (!karg)
			return -ENOMEM;
		if (cmd == FDGETPRM32)
			break;
		err = __get_user(f->size, &uf->size);
		err |= __get_user(f->sect, &uf->sect);
		err |= __get_user(f->head, &uf->head);
		err |= __get_user(f->track, &uf->track);
		err |= __get_user(f->stretch, &uf->stretch);
		err |= __get_user(f->gap, &uf->gap);
		err |= __get_user(f->rate, &uf->rate);
		err |= __get_user(f->spec1, &uf->spec1);
		err |= __get_user(f->fmt_gap, &uf->fmt_gap);
		err |= __get_user(name, &uf->name);
		f->name = compat_ptr(name);
		if (err) {
			err = -EFAULT;
			goto out;
		}
		break;
	}
	case FDSETDRVPRM32:
	case FDGETDRVPRM32:
	{
		struct compat_floppy_drive_params __user *uf;
		struct floppy_drive_params *f;

		uf = compat_ptr(arg);
		f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
		if (!karg)
			return -ENOMEM;
		if (cmd == FDGETDRVPRM32)
			break;
		err = __get_user(f->cmos, &uf->cmos);
		err |= __get_user(f->max_dtr, &uf->max_dtr);
		err |= __get_user(f->hlt, &uf->hlt);
		err |= __get_user(f->hut, &uf->hut);
		err |= __get_user(f->srt, &uf->srt);
		err |= __get_user(f->spinup, &uf->spinup);
		err |= __get_user(f->spindown, &uf->spindown);
		err |= __get_user(f->spindown_offset, &uf->spindown_offset);
		err |= __get_user(f->select_delay, &uf->select_delay);
		err |= __get_user(f->rps, &uf->rps);
		err |= __get_user(f->tracks, &uf->tracks);
		err |= __get_user(f->timeout, &uf->timeout);
		err |= __get_user(f->interleave_sect, &uf->interleave_sect);
		err |= __copy_from_user(&f->max_errors, &uf->max_errors, sizeof(f->max_errors));
		err |= __get_user(f->flags, &uf->flags);
		err |= __get_user(f->read_track, &uf->read_track);
		err |= __copy_from_user(f->autodetect, uf->autodetect, sizeof(f->autodetect));
		err |= __get_user(f->checkfreq, &uf->checkfreq);
		err |= __get_user(f->native_format, &uf->native_format);
		if (err) {
			err = -EFAULT;
			goto out;
		}
		break;
	}
	case FDGETDRVSTAT32:
	case FDPOLLDRVSTAT32:
		karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
		if (!karg)
			return -ENOMEM;
		break;
	case FDGETFDCSTAT32:
		karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
		if (!karg)
			return -ENOMEM;
		break;
	case FDWERRORGET32:
		karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
		if (!karg)
			return -ENOMEM;
//.........这里部分代码省略.........

static int compat_put_u64(unsigned long arg, u64 val)
{
	return put_user(val, (compat_u64 __user *)compat_ptr(arg));
}

static int compat_put_long(unsigned long arg, long val)
{
	return put_user(val, (compat_long_t __user *)compat_ptr(arg));
}

static int compat_put_int(unsigned long arg, int val)
{
	return put_user(val, (compat_int_t __user *)compat_ptr(arg));
}

static int compat_put_ushort(unsigned long arg, unsigned short val)
{
	return put_user(val, (unsigned short __user *)compat_ptr(arg));
}

static long broadcast_tdmb_compat_ioctl_control(struct file *flip, unsigned int cmd, unsigned long arg)
{
    return broadcast_tdmb_ioctl_control(flip, cmd, (unsigned long)compat_ptr(arg));
}

/*
 * The key control system call, 32-bit compatibility version for 64-bit archs
 *
 * This should only be called if the 64-bit arch uses weird pointers in 32-bit
 * mode or doesn't guarantee that the top 32-bits of the argument registers on
 * taking a 32-bit syscall are zero.  If you can, you should call sys_keyctl()
 * directly.
 */
asmlinkage long compat_sys_keyctl(u32 option,
				  u32 arg2, u32 arg3, u32 arg4, u32 arg5)
{
	switch (option) {
	case KEYCTL_GET_KEYRING_ID:
		return keyctl_get_keyring_ID(arg2, arg3);

	case KEYCTL_JOIN_SESSION_KEYRING:
		return keyctl_join_session_keyring(compat_ptr(arg2));

	case KEYCTL_UPDATE:
		return keyctl_update_key(arg2, compat_ptr(arg3), arg4);

	case KEYCTL_REVOKE:
		return keyctl_revoke_key(arg2);

	case KEYCTL_DESCRIBE:
		return keyctl_describe_key(arg2, compat_ptr(arg3), arg4);

	case KEYCTL_CLEAR:
		return keyctl_keyring_clear(arg2);

	case KEYCTL_LINK:
		return keyctl_keyring_link(arg2, arg3);

	case KEYCTL_UNLINK:
		return keyctl_keyring_unlink(arg2, arg3);

	case KEYCTL_SEARCH:
		return keyctl_keyring_search(arg2, compat_ptr(arg3),
					     compat_ptr(arg4), arg5);

	case KEYCTL_READ:
		return keyctl_read_key(arg2, compat_ptr(arg3), arg4);

	case KEYCTL_CHOWN:
		return keyctl_chown_key(arg2, arg3, arg4);

	case KEYCTL_SETPERM:
		return keyctl_setperm_key(arg2, arg3);

	case KEYCTL_INSTANTIATE:
		return keyctl_instantiate_key(arg2, compat_ptr(arg3), arg4,
					      arg5);

	case KEYCTL_NEGATE:
		return keyctl_negate_key(arg2, arg3, arg4);

	case KEYCTL_SET_REQKEY_KEYRING:
		return keyctl_set_reqkey_keyring(arg2);

	case KEYCTL_SET_TIMEOUT:
		return keyctl_set_timeout(arg2, arg3);

	case KEYCTL_ASSUME_AUTHORITY:
		return keyctl_assume_authority(arg2);

	case KEYCTL_GET_SECURITY:
		return keyctl_get_security(arg2, compat_ptr(arg3), arg4);

	case KEYCTL_SESSION_TO_PARENT:
		return keyctl_session_to_parent();

	case KEYCTL_REJECT:
		return keyctl_reject_key(arg2, arg3, arg4, arg5);

	case KEYCTL_INSTANTIATE_IOV:
		return compat_keyctl_instantiate_key_iov(
			arg2, compat_ptr(arg3), arg4, arg5);

	default:
		return -EOPNOTSUPP;
	}
}

static long mei_compat_ioctl(struct file *file,
			unsigned int cmd, unsigned long data)
{
	return mei_ioctl(file, cmd, (unsigned long)compat_ptr(data));
}

long compat_sys_ipc(u32 call, u32 first, u32 second, u32 third, compat_uptr_t ptr,
	       u32 fifth)
{
	int version;

	version = call >> 16; /* hack for backward compatibility */
	call &= 0xffff;

	switch (call) {

	case SEMTIMEDOP:
		if (fifth)
			/* sign extend semid */
			return compat_sys_semtimedop((int)first,
						     compat_ptr(ptr), second,
						     compat_ptr(fifth));
		/* else fall through for normal semop() */
	case SEMOP:
		/* struct sembuf is the same on 32 and 64bit :)) */
		/* sign extend semid */
		return sys_semtimedop((int)first, compat_ptr(ptr), second,
				      NULL);
	case SEMGET:
		/* sign extend key, nsems */
		return sys_semget((int)first, (int)second, third);
	case SEMCTL:
		/* sign extend semid, semnum */
		return compat_sys_semctl((int)first, (int)second, third,
					 compat_ptr(ptr));

	case MSGSND:
		/* sign extend msqid */
		return compat_sys_msgsnd((int)first, (int)second, third,
					 compat_ptr(ptr));
	case MSGRCV:
		/* sign extend msqid, msgtyp */
		return compat_sys_msgrcv((int)first, second, (int)fifth,
					 third, version, compat_ptr(ptr));
	case MSGGET:
		/* sign extend key */
		return sys_msgget((int)first, second);
	case MSGCTL:
		/* sign extend msqid */
		return compat_sys_msgctl((int)first, second, compat_ptr(ptr));

	case SHMAT:
		/* sign extend shmid */
		return compat_sys_shmat((int)first, second, third, version,
					compat_ptr(ptr));
	case SHMDT:
		return sys_shmdt(compat_ptr(ptr));
	case SHMGET:
		/* sign extend key_t */
		return sys_shmget((int)first, second, third);
	case SHMCTL:
		/* sign extend shmid */
		return compat_sys_shmctl((int)first, second, compat_ptr(ptr));

	default:
		return -ENOSYS;
	}

	return -ENOSYS;
}

static int compat_put_ulong(compat_ulong_t val, unsigned long arg)
{
	return put_user(val, (compat_ulong_t __user *)compat_ptr(arg));
}

long compat_ion_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
	long ret;

	if (!filp->f_op || !filp->f_op->unlocked_ioctl)
		return -ENOTTY;

	switch (cmd) {
	case COMPAT_ION_IOC_ALLOC:
	{
		struct compat_ion_allocation_data __user *data32;
		struct ion_allocation_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_allocation_data(data32, data);
		if (err)
			return err;
		ret = filp->f_op->unlocked_ioctl(filp, ION_IOC_ALLOC,
							(unsigned long)data);
		err = compat_put_ion_allocation_data(data32, data);
		return ret ? ret : err;
	}
	case COMPAT_ION_IOC_FREE:
	{
		struct compat_ion_allocation_data __user *data32;
		struct ion_allocation_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_allocation_data(data32, data);
		if (err)
			return err;

		return filp->f_op->unlocked_ioctl(filp, ION_IOC_FREE,
							(unsigned long)data);
	}
	case COMPAT_ION_IOC_CUSTOM: {
		struct compat_ion_custom_data __user *data32;
		struct ion_custom_data __user *data;
		int err;

		data32 = compat_ptr(arg);
		data = compat_alloc_user_space(sizeof(*data));
		if (data == NULL)
			return -EFAULT;

		err = compat_get_ion_custom_data(data32, data);
		if (err)
			return err;

		return filp->f_op->unlocked_ioctl(filp, ION_IOC_CUSTOM,
							(unsigned long)data);
	}
	case ION_IOC_SHARE:
	case ION_IOC_MAP:
	case ION_IOC_IMPORT:
	case ION_IOC_SYNC:
		return filp->f_op->unlocked_ioctl(filp, cmd,
						(unsigned long)compat_ptr(arg));
	default:
		return -ENOIOCTLCMD;
	}
}