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-rw-r--r--fs/udf/ecma_167.h76
1 files changed, 48 insertions, 28 deletions
diff --git a/fs/udf/ecma_167.h b/fs/udf/ecma_167.h
index 9f24bd1a9f44..415b050b977d 100644
--- a/fs/udf/ecma_167.h
+++ b/fs/udf/ecma_167.h
@@ -2,9 +2,10 @@
* ecma_167.h
*
* This file is based on ECMA-167 3rd edition (June 1997)
- * http://www.ecma.ch
+ * https://www.ecma.ch
*
- * Copyright (c) 2001-2002 Ben Fennema <bfennema@falcon.csc.calpoly.edu>
+ * Copyright (c) 2001-2002 Ben Fennema
+ * Copyright (c) 2017-2019 Pali Rohár <pali@kernel.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -32,11 +33,19 @@
* SUCH DAMAGE.
*/
+/**
+ * @file
+ * ECMA-167r3 defines and structure definitions
+ */
+
#include <linux/types.h>
#ifndef _ECMA_167_H
#define _ECMA_167_H 1
+/* Character sets and coding - d-characters (ECMA 167r3 1/7.2) */
+typedef uint8_t dchars;
+
/* Character set specification (ECMA 167r3 1/7.2.1) */
struct charspec {
uint8_t charSetType;
@@ -54,6 +63,7 @@ struct charspec {
#define CHARSPEC_TYPE_CS7 0x07 /* (1/7.2.9) */
#define CHARSPEC_TYPE_CS8 0x08 /* (1/7.2.10) */
+/* Fixed-length character fields - d-string (EMCA 167r3 1/7.2.12) */
typedef uint8_t dstring;
/* Timestamp (ECMA 167r3 1/7.3) */
@@ -85,8 +95,8 @@ struct regid {
} __packed;
/* Flags (ECMA 167r3 1/7.4.1) */
-#define ENTITYID_FLAGS_DIRTY 0x00
-#define ENTITYID_FLAGS_PROTECTED 0x01
+#define ENTITYID_FLAGS_DIRTY 0x01
+#define ENTITYID_FLAGS_PROTECTED 0x02
/* Volume Structure Descriptor (ECMA 167r3 2/9.1) */
#define VSD_STD_ID_LEN 5
@@ -188,6 +198,13 @@ struct NSRDesc {
uint8_t structData[2040];
} __packed;
+/* Generic Descriptor */
+struct genericDesc {
+ struct tag descTag;
+ __le32 volDescSeqNum;
+ uint8_t reserved[492];
+} __packed;
+
/* Primary Volume Descriptor (ECMA 167r3 3/10.1) */
struct primaryVolDesc {
struct tag descTag;
@@ -290,19 +307,19 @@ struct logicalVolDesc {
struct regid impIdent;
uint8_t impUse[128];
struct extent_ad integritySeqExt;
- uint8_t partitionMaps[0];
+ uint8_t partitionMaps[];
} __packed;
/* Generic Partition Map (ECMA 167r3 3/10.7.1) */
struct genericPartitionMap {
uint8_t partitionMapType;
uint8_t partitionMapLength;
- uint8_t partitionMapping[0];
+ uint8_t partitionMapping[];
} __packed;
/* Partition Map Type (ECMA 167r3 3/10.7.1.1) */
#define GP_PARTITION_MAP_TYPE_UNDEF 0x00
-#define GP_PARTIITON_MAP_TYPE_1 0x01
+#define GP_PARTITION_MAP_TYPE_1 0x01
#define GP_PARTITION_MAP_TYPE_2 0x02
/* Type 1 Partition Map (ECMA 167r3 3/10.7.2) */
@@ -325,7 +342,7 @@ struct unallocSpaceDesc {
struct tag descTag;
__le32 volDescSeqNum;
__le32 numAllocDescs;
- struct extent_ad allocDescs[0];
+ struct extent_ad allocDescs[];
} __packed;
/* Terminating Descriptor (ECMA 167r3 3/10.9) */
@@ -343,9 +360,9 @@ struct logicalVolIntegrityDesc {
uint8_t logicalVolContentsUse[32];
__le32 numOfPartitions;
__le32 lengthOfImpUse;
- __le32 freeSpaceTable[0];
- __le32 sizeTable[0];
- uint8_t impUse[0];
+ __le32 freeSpaceTable[];
+ /* __le32 sizeTable[]; */
+ /* uint8_t impUse[]; */
} __packed;
/* Integrity Type (ECMA 167r3 3/10.10.3) */
@@ -454,9 +471,9 @@ struct fileIdentDesc {
uint8_t lengthFileIdent;
struct long_ad icb;
__le16 lengthOfImpUse;
- uint8_t impUse[0];
- uint8_t fileIdent[0];
- uint8_t padding[0];
+ /* uint8_t impUse[]; */
+ /* uint8_t fileIdent[]; */
+ /* uint8_t padding[]; */
} __packed;
/* File Characteristics (ECMA 167r3 4/14.4.3) */
@@ -561,8 +578,8 @@ struct fileEntry {
__le64 uniqueID;
__le32 lengthExtendedAttr;
__le32 lengthAllocDescs;
- uint8_t extendedAttr[0];
- uint8_t allocDescs[0];
+ uint8_t extendedAttr[];
+ /* uint8_t allocDescs[]; */
} __packed;
/* Permissions (ECMA 167r3 4/14.9.5) */
@@ -615,7 +632,7 @@ struct genericFormat {
uint8_t attrSubtype;
uint8_t reserved[3];
__le32 attrLength;
- uint8_t attrData[0];
+ uint8_t attrData[];
} __packed;
/* Character Set Information (ECMA 167r3 4/14.10.3) */
@@ -626,7 +643,7 @@ struct charSetInfo {
__le32 attrLength;
__le32 escapeSeqLength;
uint8_t charSetType;
- uint8_t escapeSeq[0];
+ uint8_t escapeSeq[];
} __packed;
/* Alternate Permissions (ECMA 167r3 4/14.10.4) */
@@ -665,7 +682,7 @@ struct infoTimesExtAttr {
__le32 attrLength;
__le32 dataLength;
__le32 infoTimeExistence;
- uint8_t infoTimes[0];
+ uint8_t infoTimes[];
} __packed;
/* Device Specification (ECMA 167r3 4/14.10.7) */
@@ -677,7 +694,7 @@ struct deviceSpec {
__le32 impUseLength;
__le32 majorDeviceIdent;
__le32 minorDeviceIdent;
- uint8_t impUse[0];
+ uint8_t impUse[];
} __packed;
/* Implementation Use Extended Attr (ECMA 167r3 4/14.10.8) */
@@ -688,7 +705,7 @@ struct impUseExtAttr {
__le32 attrLength;
__le32 impUseLength;
struct regid impIdent;
- uint8_t impUse[0];
+ uint8_t impUse[];
} __packed;
/* Application Use Extended Attribute (ECMA 167r3 4/14.10.9) */
@@ -699,7 +716,7 @@ struct appUseExtAttr {
__le32 attrLength;
__le32 appUseLength;
struct regid appIdent;
- uint8_t appUse[0];
+ uint8_t appUse[];
} __packed;
#define EXTATTR_CHAR_SET 1
@@ -709,13 +726,14 @@ struct appUseExtAttr {
#define EXTATTR_DEV_SPEC 12
#define EXTATTR_IMP_USE 2048
#define EXTATTR_APP_USE 65536
+#define EXTATTR_SUBTYPE 1
/* Unallocated Space Entry (ECMA 167r3 4/14.11) */
struct unallocSpaceEntry {
struct tag descTag;
struct icbtag icbTag;
__le32 lengthAllocDescs;
- uint8_t allocDescs[0];
+ uint8_t allocDescs[];
} __packed;
/* Space Bitmap Descriptor (ECMA 167r3 4/14.12) */
@@ -723,7 +741,7 @@ struct spaceBitmapDesc {
struct tag descTag;
__le32 numOfBits;
__le32 numOfBytes;
- uint8_t bitmap[0];
+ uint8_t bitmap[];
} __packed;
/* Partition Integrity Entry (ECMA 167r3 4/14.13) */
@@ -740,10 +758,12 @@ struct partitionIntegrityEntry {
/* Short Allocation Descriptor (ECMA 167r3 4/14.14.1) */
/* Extent Length (ECMA 167r3 4/14.14.1.1) */
+#define EXT_LENGTH_MASK 0x3FFFFFFF
+#define EXT_TYPE_MASK 0xC0000000
#define EXT_RECORDED_ALLOCATED 0x00000000
#define EXT_NOT_RECORDED_ALLOCATED 0x40000000
#define EXT_NOT_RECORDED_NOT_ALLOCATED 0x80000000
-#define EXT_NEXT_EXTENT_ALLOCDECS 0xC0000000
+#define EXT_NEXT_EXTENT_ALLOCDESCS 0xC0000000
/* Long Allocation Descriptor (ECMA 167r3 4/14.14.2) */
@@ -760,7 +780,7 @@ struct pathComponent {
uint8_t componentType;
uint8_t lengthComponentIdent;
__le16 componentFileVersionNum;
- dstring componentIdent[0];
+ dchars componentIdent[];
} __packed;
/* File Entry (ECMA 167r3 4/14.17) */
@@ -789,8 +809,8 @@ struct extendedFileEntry {
__le64 uniqueID;
__le32 lengthExtendedAttr;
__le32 lengthAllocDescs;
- uint8_t extendedAttr[0];
- uint8_t allocDescs[0];
+ uint8_t extendedAttr[];
+ /* uint8_t allocDescs[]; */
} __packed;
#endif /* _ECMA_167_H */
generated by cgit (git 2.34.1) at 2025-12-25 18:33:04 +0000