wof.h: Add more ioctls

diff --git a/include/wimlib/wof.h b/include/wimlib/wof.h
index a588a953c524301014c2e3e3a918af02c2993db4..5158985061b8697a2399c96416e121799150cc8a 100644 (file)
--- a/include/wimlib/wof.h
+++ b/include/wimlib/wof.h
@@ -114,6 +114,121 @@ struct wim_provider_external_info {
        u8 resource_hash[20];
 };
 
+/*****************************************************************************
+ *
+ * --- FSCTL_GET_EXTERNAL_BACKING ---
+ *
+ * Get external backing information for the specified file.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     0 (FILE_ANY_ACCESS)
+ * Function:   196
+ * Method:     0 (METHOD_BUFFERED)
+ *
+ * Input buffer: None
+ * Output buffer:  'struct wof_external_info' followed by provider-specific data
+ * ('struct wim_provider_external_info' in the case of WIM).
+ */
+#define FSCTL_GET_EXTERNAL_BACKING 0x90310
+
+/*****************************************************************************
+ *
+ * --- FSCTL_DELETE_EXTERNAL_BACKING ---
+ *
+ * Copy a file from its backing source to its volume, then disassociate it from
+ * its backing provider.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     0 (FILE_ANY_ACCESS)
+ * Function:   197
+ * Method:     0 (METHOD_BUFFERED)
+ *
+ * Input buffer: None
+ * Output buffer: None
+ */
+#define FSCTL_DELETE_EXTERNAL_BACKING 0x90314
+
+/*****************************************************************************
+ *
+ * --- FSCTL_ENUM_EXTERNAL_BACKING ---
+ *
+ * Enumerate externally backed files on a volume.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     0 (FILE_ANY_ACCESS)
+ * Function:   198
+ * Method:     0 (METHOD_BUFFERED)
+ *
+ * Input buffer: None
+ * Output buffer: A 16-byte buffer that receives the 128-bit file ID for the
+ * next externally backed file.
+ *
+ * The handle used may be either the volume handle or the handle for any file or
+ * directory on the volume.
+ *
+ * When all externally backed files on the volume have been enumerated, the
+ * function fails with ERROR_NO_MORE_FILES.
+ */
+#define FSCTL_ENUM_EXTERNAL_BACKING 0x90318
+
+/*****************************************************************************
+ *
+ * --- FSCTL_ENUM_OVERLAY ---
+ *
+ * Enumerates the volume's overlay sources from the specified provider.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     0 (FILE_ANY_ACCESS)
+ * Function:   199
+ * Method:     3 (METHOD_NEITHER)
+ *
+ * Input buffer:  'struct wof_external_info' to specify the provider for which
+ * to enumerate the overlay sources.
+ *
+ * Output buffer:  Provider-specific data.  For the WIM provider, an array of
+ * 'struct wim_provider_overlay_entry'.
+ *
+ * This ioctl must be performed on the volume handle, such as \\.\C:
+ */
+#define FSCTL_ENUM_OVERLAY 0x9031F
+
+struct wim_provider_overlay_entry {
+       /* Byte offset of the next entry from the beginning of this structure,
+        * or 0 if there are no more entries.  */
+       uint32_t next_entry_offset;
+
+       uint32_t padding;
+
+       /* Identifier for the WIM file.  */
+       uint64_t data_source_id;
+
+       /* GUID of the WIM file.  */
+       uint8_t guid[16];
+
+       /* Byte offset of the WIM's file name from the beginning of this
+        * structure.  */
+       uint32_t wim_file_name_offset;
+
+       /* Type of WIM file: WIM_BOOT_OS_WIM or WIM_BOOT_NOT_OS_WIM.  */
+       uint32_t wim_type;
+
+       /* Index of the backing image in the WIM??? (This doesn't really make
+        * sense, since WIM files combine streams for all images into a single
+        * table.)  */
+       uint32_t wim_index;
+
+       /* 0 when WIM provider active, otherwise
+        * WIM_PROVIDER_EXTERNAL_FLAG_NOT_ACTIVE or
+        * WIM_PROVIDER_EXTERNAL_FLAG_SUSPENDED.  */
+       uint32_t flags;
+
+       /* Full path to the WIM in the NT device namespace, e.g.
+        * "\Device\HardDiskVolume2\test.wim".  Seems to be null-terminated,
+        * although you probably shouldn't assume so.  */
+       wchar_t wim_file_name[];
+};
+
+
 /*****************************************************************************
  *
  * --- FSCTL_ADD_OVERLAY ---
@@ -131,6 +246,8 @@ struct wim_provider_external_info {
  * Output buffer:  Buffer large enough to receive any information resulting from
  * the add operation.  For the WIM provider, this must be an 8 byte buffer that
  * receives the 64-bit WIM file ID.
+ *
+ * This ioctl must be performed on the volume handle, such as \\.\C:
  */
 #define FSCTL_ADD_OVERLAY 0x98330
 
@@ -153,9 +270,73 @@ struct wim_provider_add_overlay_input {
        /* Number of bytes in wim_file_name.  */
        u32 wim_file_name_length;
 
-       /* Full path to the WIM, e.g. "\??\d:\test-wimboot.wim".
+       /* Full path to the WIM, e.g. "\??\C:\test-wimboot.wim".
         * Does NOT need to be null terminated (MS docs claim otherwise).  */
        wchar_t wim_file_name[];
 };
 
+/*****************************************************************************
+ *
+ * --- FSCTL_REMOVE_OVERLAY ---
+ *
+ * Removes an external backing source from a volume.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     2 (FILE_WRITE_ACCESS)
+ * Function:   205
+ * Method:     0 (METHOD_BUFFERED)
+ *
+ * Input buffer:  'struct wof_external_info' followed by provider-specific data
+ * ('struct wim_provider_remove_overlay_input' in the case of WIM).
+ *
+ * Output buffer:  None
+ *
+ * This ioctl must be performed on the volume handle, such as \\.\C:
+ */
+#define FSCTL_REMOVE_OVERLAY 0x98334
+
+struct wim_provider_remove_overlay_input {
+       /* Integer ID that identifies the WIM.  */
+       u64 data_source_id;
+};
+
+
+/*****************************************************************************
+ *
+ * --- FSCTL_UPDATE_OVERLAY ---
+ *
+ * Updates an overlay source for a volume.
+ *
+ * DeviceType: 9 (FILE_DEVICE_FILE_SYSTEM)
+ * Access:     2 (FILE_WRITE_ACCESS)
+ * Function:   206
+ * Method:     0 (METHOD_BUFFERED)
+ *
+ * Input buffer:  'struct wof_external_info' followed by provider-specific data
+ * ('struct wim_provider_update_overlay_input' in the case of WIM).
+ *
+ * Output buffer:  None
+ *
+ * This ioctl must be performed on the volume handle, such as \\.\C:
+ */
+#define FSCTL_UPDATE_OVERLAY 0x98338
+
+struct wim_provider_update_overlay_input {
+       /* Integer ID that identifies the WIM data source.  */
+       u64 data_source_id;
+
+       /* Byte offset of wim_file_name in this buffer, not including the
+        * preceding 'struct wof_external_info' (should be 16).  */
+       u32 wim_file_name_offset;
+
+       /* Number of bytes in wim_file_name.  */
+       u32 wim_file_name_length;
+
+       /* Full path to the WIM, e.g. "\??\C:\test-wimboot.wim".
+        * Does NOT need to be null terminated (MS docs claim otherwise).
+        * This WIM must be renamed from the original WIM, or at least be an
+        * identical copy of it!  (Maybe the WIM's GUID field is checked.)  */
+       wchar_t wim_file_name[];
+};
+
 #endif /* _WOF_H_ */