+#ifdef CONFIG_COMPAT
+struct compat_ncp_objectname_ioctl
+{
+ s32 auth_type;
+ u32 object_name_len;
+ compat_caddr_t object_name; /* an userspace data, in most cases user name */
+};
+
+struct compat_ncp_fs_info_v2 {
+ s32 version;
+ u32 mounted_uid;
+ u32 connection;
+ u32 buffer_size;
+
+ u32 volume_number;
+ u32 directory_id;
+
+ u32 dummy1;
+ u32 dummy2;
+ u32 dummy3;
+};
+
+struct compat_ncp_ioctl_request {
+ u32 function;
+ u32 size;
+ compat_caddr_t data;
+};
+
+struct compat_ncp_privatedata_ioctl
+{
+ u32 len;
+ compat_caddr_t data; /* ~1000 for NDS */
+};
+
+#define NCP_IOC_GET_FS_INFO_V2_32 _IOWR('n', 4, struct compat_ncp_fs_info_v2)
+#define NCP_IOC_NCPREQUEST_32 _IOR('n', 1, struct compat_ncp_ioctl_request)
+#define NCP_IOC_GETOBJECTNAME_32 _IOWR('n', 9, struct compat_ncp_objectname_ioctl)
+#define NCP_IOC_SETOBJECTNAME_32 _IOR('n', 9, struct compat_ncp_objectname_ioctl)
+#define NCP_IOC_GETPRIVATEDATA_32 _IOWR('n', 10, struct compat_ncp_privatedata_ioctl)
+#define NCP_IOC_SETPRIVATEDATA_32 _IOR('n', 10, struct compat_ncp_privatedata_ioctl)
+
+static int
+ncp_get_compat_fs_info_v2(struct ncp_server * server, struct file *file,
+ struct compat_ncp_fs_info_v2 __user * arg)
+{
+ struct inode *inode = file->f_path.dentry->d_inode;
+ struct compat_ncp_fs_info_v2 info2;
+
+ if ((file_permission(file, MAY_WRITE) != 0)
+ && (current->uid != server->m.mounted_uid)) {
+ return -EACCES;
+ }
+ if (copy_from_user(&info2, arg, sizeof(info2)))
+ return -EFAULT;
+
+ if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
+ DPRINTK("info.version invalid: %d\n", info2.version);
+ return -EINVAL;
+ }
+ info2.mounted_uid = server->m.mounted_uid;
+ info2.connection = server->connection;
+ info2.buffer_size = server->buffer_size;
+ info2.volume_number = NCP_FINFO(inode)->volNumber;
+ info2.directory_id = NCP_FINFO(inode)->DosDirNum;
+ info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
+
+ if (copy_to_user(arg, &info2, sizeof(info2)))
+ return -EFAULT;
+ return 0;
+}
+#endif
+
+#define NCP_IOC_GETMOUNTUID16 _IOW('n', 2, u16)
+#define NCP_IOC_GETMOUNTUID32 _IOW('n', 2, u32)
+#define NCP_IOC_GETMOUNTUID64 _IOW('n', 2, u64)
+