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[apple/xnu.git] / bsd / sys / attr.h
diff --git a/bsd/sys/attr.h b/bsd/sys/attr.h
index 45540a9aaaf3d06fb2cad7718011dce34e304772..5b4f4c133d8f791b774393cd7b2283cd0e43a95f 100644 (file)
--- a/bsd/sys/attr.h
+++ b/bsd/sys/attr.h
@@ -1,8 +1,8 @@
 /*
 /*
- * Copyright (c) 2000-2016 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- * 
+ *
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
@@ -11,10 +11,10 @@
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
  * unlawful or unlicensed copies of an Apple operating system, or to
  * circumvent, violate, or enable the circumvention or violation of, any
  * terms of an Apple operating system software license agreement.
- * 
+ *
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  * Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this file.
- * 
+ *
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -22,7 +22,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- * 
+ *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
@@ -43,19 +43,27 @@
 #include <sys/time.h>
 #include <sys/cdefs.h>
 
 #include <sys/time.h>
 #include <sys/cdefs.h>
 
-#define FSOPT_NOFOLLOW                 0x00000001
-#define FSOPT_NOINMEMUPDATE    0x00000002
-#define FSOPT_REPORT_FULLSIZE  0x00000004
+#define FSOPT_NOFOLLOW          0x00000001
+#define FSOPT_NOINMEMUPDATE     0x00000002
+#define FSOPT_REPORT_FULLSIZE   0x00000004
 /* The following option only valid when requesting ATTR_CMN_RETURNED_ATTRS */
 /* The following option only valid when requesting ATTR_CMN_RETURNED_ATTRS */
-#define FSOPT_PACK_INVAL_ATTRS 0x00000008
+#define FSOPT_PACK_INVAL_ATTRS  0x00000008
 
 #ifdef PRIVATE
 #define FSOPT_EXCHANGE_DATA_ONLY 0x0000010
 #endif
 
 
 #ifdef PRIVATE
 #define FSOPT_EXCHANGE_DATA_ONLY 0x0000010
 #endif
 
-#define FSOPT_ATTR_CMN_EXTENDED        0x00000020
+#define FSOPT_ATTR_CMN_EXTENDED 0x00000020
 #ifdef PRIVATE
 #ifdef PRIVATE
-#define FSOPT_LIST_SNAPSHOT    0x00000040
+#define FSOPT_LIST_SNAPSHOT     0x00000040
+#ifndef FSOPT_NOFIRMLINKPATH /*a copy is in fsgetpath.h */
+#define FSOPT_NOFIRMLINKPATH     0x00000080
+#endif /* FSOPT_NOFIRMLINKPATH */
+#define FSOPT_FOLLOW_FIRMLINK    0x00000100
+#define FSOPT_RETURN_REALDEV     0x00000200
+#ifndef FSOPT_ISREALFSID  /*a copy is in fsgetpath.h */
+#define FSOPT_ISREALFSID         FSOPT_RETURN_REALDEV
+#endif
 #endif /* PRIVATE */
 
 /* we currently aren't anywhere near this amount for a valid
 #endif /* PRIVATE */
 
 /* we currently aren't anywhere near this amount for a valid
@@ -80,22 +88,22 @@ typedef u_int32_t fsvolid_t;
 typedef u_int32_t attrgroup_t;
 
 struct attrlist {
 typedef u_int32_t attrgroup_t;
 
 struct attrlist {
-       u_short bitmapcount;                    /* number of attr. bit sets in list (should be 5) */
-       u_int16_t reserved;                     /* (to maintain 4-byte alignment) */
-       attrgroup_t commonattr;                 /* common attribute group */
-       attrgroup_t volattr;                    /* Volume attribute group */
-       attrgroup_t dirattr;                    /* directory attribute group */
-       attrgroup_t fileattr;                   /* file attribute group */
-       attrgroup_t forkattr;                   /* fork attribute group */
+       u_short bitmapcount;                    /* number of attr. bit sets in list (should be 5) */
+       u_int16_t reserved;                     /* (to maintain 4-byte alignment) */
+       attrgroup_t commonattr;                 /* common attribute group */
+       attrgroup_t volattr;                    /* Volume attribute group */
+       attrgroup_t dirattr;                    /* directory attribute group */
+       attrgroup_t fileattr;                   /* file attribute group */
+       attrgroup_t forkattr;                   /* fork attribute group */
 };
 #define ATTR_BIT_MAP_COUNT 5
 
 typedef struct attribute_set {
 };
 #define ATTR_BIT_MAP_COUNT 5
 
 typedef struct attribute_set {
-       attrgroup_t commonattr;                 /* common attribute group */
-       attrgroup_t volattr;                    /* Volume attribute group */
-       attrgroup_t dirattr;                    /* directory attribute group */
-       attrgroup_t fileattr;                   /* file attribute group */
-       attrgroup_t forkattr;                   /* fork attribute group */
+       attrgroup_t commonattr;                 /* common attribute group */
+       attrgroup_t volattr;                    /* Volume attribute group */
+       attrgroup_t dirattr;                    /* directory attribute group */
+       attrgroup_t fileattr;                   /* file attribute group */
+       attrgroup_t forkattr;                   /* fork attribute group */
 } attribute_set_t;
 
 typedef struct attrreference {
 } attribute_set_t;
 
 typedef struct attrreference {
@@ -106,8 +114,8 @@ typedef struct attrreference {
 /* XXX PPD This is derived from HFSVolumePriv.h and should perhaps be referenced from there? */
 
 struct diskextent {
 /* XXX PPD This is derived from HFSVolumePriv.h and should perhaps be referenced from there? */
 
 struct diskextent {
-       u_int32_t                                       startblock;                             /* first block allocated */
-       u_int32_t                                       blockcount;                             /* number of blocks allocated */
+       u_int32_t                                       startblock;                             /* first block allocated */
+       u_int32_t                                       blockcount;                             /* number of blocks allocated */
 };
 
 typedef struct diskextent extentrecord[8];
 };
 
 typedef struct diskextent extentrecord[8];
@@ -127,7 +135,7 @@ typedef struct vol_capabilities_attr {
 /*
  * XXX this value needs to be raised - 3893388
  */
 /*
  * XXX this value needs to be raised - 3893388
  */
-#define ATTR_MAX_BUFFER                8192
+#define ATTR_MAX_BUFFER         8192
 
 /*
  * VOL_CAP_FMT_PERSISTENTOBJECTIDS: When set, the volume has object IDs
 
 /*
  * VOL_CAP_FMT_PERSISTENTOBJECTIDS: When set, the volume has object IDs
@@ -185,8 +193,8 @@ typedef struct vol_capabilities_attr {
  * need not be cached by those upper layers.  A volume that caches
  * the statfs information in its in-memory structures should set this bit.
  * A volume that must always read from disk or always perform a network
  * need not be cached by those upper layers.  A volume that caches
  * the statfs information in its in-memory structures should set this bit.
  * A volume that must always read from disk or always perform a network
- * transaction should not set this bit.  
- * 
+ * transaction should not set this bit.
+ *
  * VOL_CAP_FMT_2TB_FILESIZE: If this bit is set the volume format supports
  * file sizes larger than 4GB, and potentially up to 2TB; it does not
  * indicate whether the filesystem supports files larger than that.
  * VOL_CAP_FMT_2TB_FILESIZE: If this bit is set the volume format supports
  * file sizes larger than 4GB, and potentially up to 2TB; it does not
  * indicate whether the filesystem supports files larger than that.
@@ -206,12 +214,12 @@ typedef struct vol_capabilities_attr {
  * system are persistent and not recycled.  This is a very specialized
  * capability and it is assumed that most file systems will not support
  * it.  Its use is for legacy non-posix APIs like ResolveFileIDRef.
  * system are persistent and not recycled.  This is a very specialized
  * capability and it is assumed that most file systems will not support
  * it.  Its use is for legacy non-posix APIs like ResolveFileIDRef.
- * 
- * VOL_CAP_FMT_NO_VOLUME_SIZES: When set, the volume does not support 
+ *
+ * VOL_CAP_FMT_NO_VOLUME_SIZES: When set, the volume does not support
  * returning values for total data blocks, available blocks, or free blocks
  * (as in f_blocks, f_bavail, or f_bfree in "struct statfs").  Historically,
  * those values were set to 0xFFFFFFFF for volumes that did not support them.
  * returning values for total data blocks, available blocks, or free blocks
  * (as in f_blocks, f_bavail, or f_bfree in "struct statfs").  Historically,
  * those values were set to 0xFFFFFFFF for volumes that did not support them.
- * 
+ *
  * VOL_CAP_FMT_DECMPFS_COMPRESSION: When set, the volume supports transparent
  * decompression of compressed files using decmpfs.
  *
  * VOL_CAP_FMT_DECMPFS_COMPRESSION: When set, the volume supports transparent
  * decompression of compressed files using decmpfs.
  *
@@ -235,31 +243,42 @@ typedef struct vol_capabilities_attr {
  *
  * VOL_CAP_FMT_NO_PERMISSIONS: When set, the volume does not support setting
  * permissions.
  *
  * VOL_CAP_FMT_NO_PERMISSIONS: When set, the volume does not support setting
  * permissions.
+ *
+ * VOL_CAP_FMT_SHARED_SPACE: When set, the volume supports sharing space with
+ * other filesystems i.e. multiple logical filesystems can exist in the same
+ * "partition". An implication of this is that the filesystem which sets
+ * this capability treats waitfor arguments to VFS_SYNC as bit flags.
+ *
+ * VOL_CAP_FMT_VOL_GROUPS: When set, this volume is part of a volume-group
+ * that implies multiple volumes must be mounted in order to boot and root the
+ * operating system. Typically, this means a read-only system volume and a
+ * writable data volume.
  */
  */
-#define VOL_CAP_FMT_PERSISTENTOBJECTIDS                0x00000001
-#define VOL_CAP_FMT_SYMBOLICLINKS              0x00000002
-#define VOL_CAP_FMT_HARDLINKS                  0x00000004
-#define VOL_CAP_FMT_JOURNAL                    0x00000008
-#define VOL_CAP_FMT_JOURNAL_ACTIVE             0x00000010
-#define VOL_CAP_FMT_NO_ROOT_TIMES              0x00000020
-#define VOL_CAP_FMT_SPARSE_FILES               0x00000040
-#define VOL_CAP_FMT_ZERO_RUNS                  0x00000080
-#define VOL_CAP_FMT_CASE_SENSITIVE             0x00000100
-#define VOL_CAP_FMT_CASE_PRESERVING            0x00000200
-#define VOL_CAP_FMT_FAST_STATFS                0x00000400
-#define VOL_CAP_FMT_2TB_FILESIZE               0x00000800
-#define VOL_CAP_FMT_OPENDENYMODES              0x00001000
-#define VOL_CAP_FMT_HIDDEN_FILES               0x00002000
-#define VOL_CAP_FMT_PATH_FROM_ID               0x00004000
-#define VOL_CAP_FMT_NO_VOLUME_SIZES            0x00008000
-#define VOL_CAP_FMT_DECMPFS_COMPRESSION                0x00010000
-#define VOL_CAP_FMT_64BIT_OBJECT_IDS           0x00020000
-#define VOL_CAP_FMT_DIR_HARDLINKS              0x00040000
-#define VOL_CAP_FMT_DOCUMENT_ID                        0x00080000
-#define VOL_CAP_FMT_WRITE_GENERATION_COUNT     0x00100000
-#define VOL_CAP_FMT_NO_IMMUTABLE_FILES         0x00200000
-#define VOL_CAP_FMT_NO_PERMISSIONS             0x00400000
-
+#define VOL_CAP_FMT_PERSISTENTOBJECTIDS         0x00000001
+#define VOL_CAP_FMT_SYMBOLICLINKS               0x00000002
+#define VOL_CAP_FMT_HARDLINKS                   0x00000004
+#define VOL_CAP_FMT_JOURNAL                     0x00000008
+#define VOL_CAP_FMT_JOURNAL_ACTIVE              0x00000010
+#define VOL_CAP_FMT_NO_ROOT_TIMES               0x00000020
+#define VOL_CAP_FMT_SPARSE_FILES                0x00000040
+#define VOL_CAP_FMT_ZERO_RUNS                   0x00000080
+#define VOL_CAP_FMT_CASE_SENSITIVE              0x00000100
+#define VOL_CAP_FMT_CASE_PRESERVING             0x00000200
+#define VOL_CAP_FMT_FAST_STATFS                 0x00000400
+#define VOL_CAP_FMT_2TB_FILESIZE                0x00000800
+#define VOL_CAP_FMT_OPENDENYMODES               0x00001000
+#define VOL_CAP_FMT_HIDDEN_FILES                0x00002000
+#define VOL_CAP_FMT_PATH_FROM_ID                0x00004000
+#define VOL_CAP_FMT_NO_VOLUME_SIZES             0x00008000
+#define VOL_CAP_FMT_DECMPFS_COMPRESSION         0x00010000
+#define VOL_CAP_FMT_64BIT_OBJECT_IDS            0x00020000
+#define VOL_CAP_FMT_DIR_HARDLINKS               0x00040000
+#define VOL_CAP_FMT_DOCUMENT_ID                 0x00080000
+#define VOL_CAP_FMT_WRITE_GENERATION_COUNT      0x00100000
+#define VOL_CAP_FMT_NO_IMMUTABLE_FILES          0x00200000
+#define VOL_CAP_FMT_NO_PERMISSIONS              0x00400000
+#define VOL_CAP_FMT_SHARED_SPACE                0x00800000
+#define VOL_CAP_FMT_VOL_GROUPS                  0x01000000
 
 /*
  * VOL_CAP_INT_SEARCHFS: When set, the volume implements the
 
 /*
  * VOL_CAP_INT_SEARCHFS: When set, the volume implements the
@@ -328,203 +347,209 @@ typedef struct vol_capabilities_attr {
  * VOL_CAP_INT_RENAME_EXCL: When set, the volume supports an
  * exclusive rename operation.
  *
  * VOL_CAP_INT_RENAME_EXCL: When set, the volume supports an
  * exclusive rename operation.
  *
+ * VOL_CAP_INT_RENAME_OPENFAIL: When set, the volume may fail rename
+ * operations on files that are open.
  */
  */
-#define VOL_CAP_INT_SEARCHFS                   0x00000001
-#define VOL_CAP_INT_ATTRLIST                   0x00000002
-#define VOL_CAP_INT_NFSEXPORT                  0x00000004
-#define VOL_CAP_INT_READDIRATTR                        0x00000008
-#define VOL_CAP_INT_EXCHANGEDATA               0x00000010
-#define VOL_CAP_INT_COPYFILE                   0x00000020
-#define VOL_CAP_INT_ALLOCATE                   0x00000040
-#define VOL_CAP_INT_VOL_RENAME                 0x00000080
-#define VOL_CAP_INT_ADVLOCK                    0x00000100
-#define VOL_CAP_INT_FLOCK                      0x00000200
-#define VOL_CAP_INT_EXTENDED_SECURITY          0x00000400
-#define VOL_CAP_INT_USERACCESS                 0x00000800
-#define VOL_CAP_INT_MANLOCK                    0x00001000
-#define VOL_CAP_INT_NAMEDSTREAMS               0x00002000
-#define VOL_CAP_INT_EXTENDED_ATTR              0x00004000
+#define VOL_CAP_INT_SEARCHFS                    0x00000001
+#define VOL_CAP_INT_ATTRLIST                    0x00000002
+#define VOL_CAP_INT_NFSEXPORT                   0x00000004
+#define VOL_CAP_INT_READDIRATTR                 0x00000008
+#define VOL_CAP_INT_EXCHANGEDATA                0x00000010
+#define VOL_CAP_INT_COPYFILE                    0x00000020
+#define VOL_CAP_INT_ALLOCATE                    0x00000040
+#define VOL_CAP_INT_VOL_RENAME                  0x00000080
+#define VOL_CAP_INT_ADVLOCK                     0x00000100
+#define VOL_CAP_INT_FLOCK                       0x00000200
+#define VOL_CAP_INT_EXTENDED_SECURITY           0x00000400
+#define VOL_CAP_INT_USERACCESS                  0x00000800
+#define VOL_CAP_INT_MANLOCK                     0x00001000
+#define VOL_CAP_INT_NAMEDSTREAMS                0x00002000
+#define VOL_CAP_INT_EXTENDED_ATTR               0x00004000
 #ifdef PRIVATE
 /* Volume supports kqueue notifications for remote events */
 #ifdef PRIVATE
 /* Volume supports kqueue notifications for remote events */
-#define VOL_CAP_INT_REMOTE_EVENT               0x00008000
+#define VOL_CAP_INT_REMOTE_EVENT                0x00008000
 #endif /* PRIVATE */
 #endif /* PRIVATE */
-#define VOL_CAP_INT_CLONE                      0x00010000
-#define VOL_CAP_INT_SNAPSHOT                   0x00020000
-#define VOL_CAP_INT_RENAME_SWAP                        0x00040000
-#define VOL_CAP_INT_RENAME_EXCL                        0x00080000
+#define VOL_CAP_INT_CLONE                       0x00010000
+#define VOL_CAP_INT_SNAPSHOT                    0x00020000
+#define VOL_CAP_INT_RENAME_SWAP                 0x00040000
+#define VOL_CAP_INT_RENAME_EXCL                 0x00080000
+#define VOL_CAP_INT_RENAME_OPENFAIL             0x00100000
 
 typedef struct vol_attributes_attr {
        attribute_set_t validattr;
        attribute_set_t nativeattr;
 } vol_attributes_attr_t;
 
 
 typedef struct vol_attributes_attr {
        attribute_set_t validattr;
        attribute_set_t nativeattr;
 } vol_attributes_attr_t;
 
-#define ATTR_CMN_NAME                          0x00000001
-#define ATTR_CMN_DEVID                         0x00000002
-#define ATTR_CMN_FSID                          0x00000004
-#define ATTR_CMN_OBJTYPE                       0x00000008
-#define ATTR_CMN_OBJTAG                                0x00000010
-#define ATTR_CMN_OBJID                         0x00000020
-#define ATTR_CMN_OBJPERMANENTID                        0x00000040
-#define ATTR_CMN_PAROBJID                      0x00000080
-#define ATTR_CMN_SCRIPT                                0x00000100
-#define ATTR_CMN_CRTIME                                0x00000200
-#define ATTR_CMN_MODTIME                       0x00000400
-#define ATTR_CMN_CHGTIME                       0x00000800
-#define ATTR_CMN_ACCTIME                       0x00001000
-#define ATTR_CMN_BKUPTIME                      0x00002000
-#define ATTR_CMN_FNDRINFO                      0x00004000
-#define ATTR_CMN_OWNERID                       0x00008000
-#define ATTR_CMN_GRPID                         0x00010000
-#define ATTR_CMN_ACCESSMASK                    0x00020000
-#define ATTR_CMN_FLAGS                         0x00040000
+#define ATTR_CMN_NAME                           0x00000001
+#define ATTR_CMN_DEVID                          0x00000002
+#define ATTR_CMN_FSID                           0x00000004
+#define ATTR_CMN_OBJTYPE                        0x00000008
+#define ATTR_CMN_OBJTAG                         0x00000010
+#define ATTR_CMN_OBJID                          0x00000020
+#define ATTR_CMN_OBJPERMANENTID                 0x00000040
+#define ATTR_CMN_PAROBJID                       0x00000080
+#define ATTR_CMN_SCRIPT                         0x00000100
+#define ATTR_CMN_CRTIME                         0x00000200
+#define ATTR_CMN_MODTIME                        0x00000400
+#define ATTR_CMN_CHGTIME                        0x00000800
+#define ATTR_CMN_ACCTIME                        0x00001000
+#define ATTR_CMN_BKUPTIME                       0x00002000
+#define ATTR_CMN_FNDRINFO                       0x00004000
+#define ATTR_CMN_OWNERID                        0x00008000
+#define ATTR_CMN_GRPID                          0x00010000
+#define ATTR_CMN_ACCESSMASK                     0x00020000
+#define ATTR_CMN_FLAGS                          0x00040000
 
 /* The following were defined as:                              */
 
 /* The following were defined as:                              */
-/*     #define ATTR_CMN_NAMEDATTRCOUNT         0x00080000      */
-/*     #define ATTR_CMN_NAMEDATTRLIST          0x00100000      */
+/*      #define ATTR_CMN_NAMEDATTRCOUNT                0x00080000      */
+/*      #define ATTR_CMN_NAMEDATTRLIST         0x00100000      */
 /* These bits have been salvaged for use as:                   */
 /*     #define ATTR_CMN_GEN_COUNT              0x00080000      */
 /*     #define ATTR_CMN_DOCUMENT_ID            0x00100000      */
 /* They can only be used with the  FSOPT_ATTR_CMN_EXTENDED     */
 /* These bits have been salvaged for use as:                   */
 /*     #define ATTR_CMN_GEN_COUNT              0x00080000      */
 /*     #define ATTR_CMN_DOCUMENT_ID            0x00100000      */
 /* They can only be used with the  FSOPT_ATTR_CMN_EXTENDED     */
-/* option flag.                                                */
-
-#define ATTR_CMN_GEN_COUNT                     0x00080000
-#define ATTR_CMN_DOCUMENT_ID                   0x00100000
-
-#define ATTR_CMN_USERACCESS                    0x00200000
-#define ATTR_CMN_EXTENDED_SECURITY             0x00400000
-#define ATTR_CMN_UUID                          0x00800000
-#define ATTR_CMN_GRPUUID                       0x01000000
-#define ATTR_CMN_FILEID                                0x02000000
-#define ATTR_CMN_PARENTID                      0x04000000
-#define ATTR_CMN_FULLPATH                      0x08000000
-#define ATTR_CMN_ADDEDTIME                     0x10000000
-#define ATTR_CMN_ERROR                         0x20000000
-#define ATTR_CMN_DATA_PROTECT_FLAGS            0x40000000
+/* option flag.                                                 */
+
+#define ATTR_CMN_GEN_COUNT                      0x00080000
+#define ATTR_CMN_DOCUMENT_ID                    0x00100000
+
+#define ATTR_CMN_USERACCESS                     0x00200000
+#define ATTR_CMN_EXTENDED_SECURITY              0x00400000
+#define ATTR_CMN_UUID                           0x00800000
+#define ATTR_CMN_GRPUUID                        0x01000000
+#define ATTR_CMN_FILEID                         0x02000000
+#define ATTR_CMN_PARENTID                       0x04000000
+#define ATTR_CMN_FULLPATH                       0x08000000
+#define ATTR_CMN_ADDEDTIME                      0x10000000
+#define ATTR_CMN_ERROR                          0x20000000
+#define ATTR_CMN_DATA_PROTECT_FLAGS             0x40000000
 
 /*
  * ATTR_CMN_RETURNED_ATTRS is only valid with getattrlist(2) and
  * getattrlistbulk(2). It is always the first attribute in the return buffer.
  */
 
 /*
  * ATTR_CMN_RETURNED_ATTRS is only valid with getattrlist(2) and
  * getattrlistbulk(2). It is always the first attribute in the return buffer.
  */
-#define ATTR_CMN_RETURNED_ATTRS                0x80000000      
+#define ATTR_CMN_RETURNED_ATTRS                 0x80000000
 
 
-#define ATTR_CMN_VALIDMASK                     0xFFFFFFFF
+#define ATTR_CMN_VALIDMASK                      0xFFFFFFFF
 /*
  * The settable ATTR_CMN_* attributes include the following:
  * ATTR_CMN_SCRIPT
  * ATTR_CMN_CRTIME
  * ATTR_CMN_MODTIME
  * ATTR_CMN_CHGTIME
 /*
  * The settable ATTR_CMN_* attributes include the following:
  * ATTR_CMN_SCRIPT
  * ATTR_CMN_CRTIME
  * ATTR_CMN_MODTIME
  * ATTR_CMN_CHGTIME
- * 
+ *
  * ATTR_CMN_ACCTIME
  * ATTR_CMN_BKUPTIME
  * ATTR_CMN_FNDRINFO
  * ATTR_CMN_OWNERID
  * ATTR_CMN_ACCTIME
  * ATTR_CMN_BKUPTIME
  * ATTR_CMN_FNDRINFO
  * ATTR_CMN_OWNERID
- * 
+ *
  * ATTR_CMN_GRPID
  * ATTR_CMN_ACCESSMASK
  * ATTR_CMN_FLAGS
  * ATTR_CMN_GRPID
  * ATTR_CMN_ACCESSMASK
  * ATTR_CMN_FLAGS
- * 
+ *
  * ATTR_CMN_EXTENDED_SECURITY
  * ATTR_CMN_UUID
  * ATTR_CMN_EXTENDED_SECURITY
  * ATTR_CMN_UUID
- * 
+ *
  * ATTR_CMN_GRPUUID
  * ATTR_CMN_GRPUUID
- * 
+ *
  * ATTR_CMN_DATA_PROTECT_FLAGS
  */
  * ATTR_CMN_DATA_PROTECT_FLAGS
  */
-#define ATTR_CMN_SETMASK                       0x51C7FF00
-#define ATTR_CMN_VOLSETMASK                    0x00006700
-
-#define ATTR_VOL_FSTYPE                                0x00000001
-#define ATTR_VOL_SIGNATURE                     0x00000002
-#define ATTR_VOL_SIZE                          0x00000004
-#define ATTR_VOL_SPACEFREE                     0x00000008
-#define ATTR_VOL_SPACEAVAIL                    0x00000010
-#define ATTR_VOL_MINALLOCATION                 0x00000020
-#define ATTR_VOL_ALLOCATIONCLUMP               0x00000040
-#define ATTR_VOL_IOBLOCKSIZE                   0x00000080
-#define ATTR_VOL_OBJCOUNT                      0x00000100
-#define ATTR_VOL_FILECOUNT                     0x00000200
-#define ATTR_VOL_DIRCOUNT                      0x00000400
-#define ATTR_VOL_MAXOBJCOUNT                   0x00000800
-#define ATTR_VOL_MOUNTPOINT                    0x00001000
-#define ATTR_VOL_NAME                          0x00002000
-#define ATTR_VOL_MOUNTFLAGS                    0x00004000
-#define ATTR_VOL_MOUNTEDDEVICE                 0x00008000
-#define ATTR_VOL_ENCODINGSUSED                 0x00010000
-#define ATTR_VOL_CAPABILITIES                  0x00020000
-#define ATTR_VOL_UUID                          0x00040000
-#define ATTR_VOL_QUOTA_SIZE                    0x10000000
-#define ATTR_VOL_RESERVED_SIZE         0x20000000
-#define ATTR_VOL_ATTRIBUTES                    0x40000000
-#define ATTR_VOL_INFO                          0x80000000
-
-#define ATTR_VOL_VALIDMASK                     0xF007FFFF
+#define ATTR_CMN_SETMASK                        0x51C7FF00
+#define ATTR_CMN_VOLSETMASK                     0x00006700
+
+#define ATTR_VOL_FSTYPE                         0x00000001
+#define ATTR_VOL_SIGNATURE                      0x00000002
+#define ATTR_VOL_SIZE                           0x00000004
+#define ATTR_VOL_SPACEFREE                      0x00000008
+#define ATTR_VOL_SPACEAVAIL                     0x00000010
+#define ATTR_VOL_MINALLOCATION                  0x00000020
+#define ATTR_VOL_ALLOCATIONCLUMP                0x00000040
+#define ATTR_VOL_IOBLOCKSIZE                    0x00000080
+#define ATTR_VOL_OBJCOUNT                       0x00000100
+#define ATTR_VOL_FILECOUNT                      0x00000200
+#define ATTR_VOL_DIRCOUNT                       0x00000400
+#define ATTR_VOL_MAXOBJCOUNT                    0x00000800
+#define ATTR_VOL_MOUNTPOINT                     0x00001000
+#define ATTR_VOL_NAME                           0x00002000
+#define ATTR_VOL_MOUNTFLAGS                     0x00004000
+#define ATTR_VOL_MOUNTEDDEVICE                  0x00008000
+#define ATTR_VOL_ENCODINGSUSED                  0x00010000
+#define ATTR_VOL_CAPABILITIES                   0x00020000
+#define ATTR_VOL_UUID                           0x00040000
+#define ATTR_VOL_QUOTA_SIZE                     0x10000000
+#define ATTR_VOL_RESERVED_SIZE          0x20000000
+#define ATTR_VOL_ATTRIBUTES                     0x40000000
+#define ATTR_VOL_INFO                           0x80000000
+
+#define ATTR_VOL_VALIDMASK                      0xF007FFFF
 
 /*
  * The list of settable ATTR_VOL_* attributes include the following:
  * ATTR_VOL_NAME
  * ATTR_VOL_INFO
  */
 
 /*
  * The list of settable ATTR_VOL_* attributes include the following:
  * ATTR_VOL_NAME
  * ATTR_VOL_INFO
  */
-#define ATTR_VOL_SETMASK                       0x80002000
+#define ATTR_VOL_SETMASK                        0x80002000
 
 
 /* File/directory attributes: */
 
 
 /* File/directory attributes: */
-#define ATTR_DIR_LINKCOUNT                     0x00000001
-#define ATTR_DIR_ENTRYCOUNT                    0x00000002
-#define ATTR_DIR_MOUNTSTATUS                   0x00000004
-#define ATTR_DIR_ALLOCSIZE                     0x00000008
-#define ATTR_DIR_IOBLOCKSIZE                   0x00000010
-#define ATTR_DIR_DATALENGTH                    0x00000020
+#define ATTR_DIR_LINKCOUNT                      0x00000001
+#define ATTR_DIR_ENTRYCOUNT                     0x00000002
+#define ATTR_DIR_MOUNTSTATUS                    0x00000004
+#define ATTR_DIR_ALLOCSIZE                      0x00000008
+#define ATTR_DIR_IOBLOCKSIZE                    0x00000010
+#define ATTR_DIR_DATALENGTH                     0x00000020
 
 /* ATTR_DIR_MOUNTSTATUS Flags: */
 
 /* ATTR_DIR_MOUNTSTATUS Flags: */
-#define          DIR_MNTSTATUS_MNTPOINT                0x00000001
-#define          DIR_MNTSTATUS_TRIGGER                 0x00000002
-
-#define ATTR_DIR_VALIDMASK                     0x0000003f
-#define ATTR_DIR_SETMASK                       0x00000000
-
-#define ATTR_FILE_LINKCOUNT                    0x00000001
-#define ATTR_FILE_TOTALSIZE                    0x00000002
-#define ATTR_FILE_ALLOCSIZE                    0x00000004
-#define ATTR_FILE_IOBLOCKSIZE                  0x00000008
-#define ATTR_FILE_DEVTYPE                      0x00000020
-#define ATTR_FILE_FORKCOUNT                    0x00000080
-#define ATTR_FILE_FORKLIST                     0x00000100
-#define ATTR_FILE_DATALENGTH                   0x00000200
-#define ATTR_FILE_DATAALLOCSIZE                        0x00000400
-#define ATTR_FILE_RSRCLENGTH                   0x00001000
-#define ATTR_FILE_RSRCALLOCSIZE                        0x00002000
-
-#define ATTR_FILE_VALIDMASK                    0x000037FF
-/* 
+#define   DIR_MNTSTATUS_MNTPOINT                0x00000001
+#define   DIR_MNTSTATUS_TRIGGER                 0x00000002
+
+#define ATTR_DIR_VALIDMASK                      0x0000003f
+#define ATTR_DIR_SETMASK                        0x00000000
+
+#define ATTR_FILE_LINKCOUNT                     0x00000001
+#define ATTR_FILE_TOTALSIZE                     0x00000002
+#define ATTR_FILE_ALLOCSIZE                     0x00000004
+#define ATTR_FILE_IOBLOCKSIZE                   0x00000008
+#define ATTR_FILE_DEVTYPE                       0x00000020
+#define ATTR_FILE_FORKCOUNT                     0x00000080
+#define ATTR_FILE_FORKLIST                      0x00000100
+#define ATTR_FILE_DATALENGTH                    0x00000200
+#define ATTR_FILE_DATAALLOCSIZE                 0x00000400
+#define ATTR_FILE_RSRCLENGTH                    0x00001000
+#define ATTR_FILE_RSRCALLOCSIZE                 0x00002000
+
+#define ATTR_FILE_VALIDMASK                     0x000037FF
+/*
  * Settable ATTR_FILE_* attributes include:
  * ATTR_FILE_DEVTYPE
  */
  * Settable ATTR_FILE_* attributes include:
  * ATTR_FILE_DEVTYPE
  */
-#define ATTR_FILE_SETMASK                      0x00000020
+#define ATTR_FILE_SETMASK                       0x00000020
 
 /* CMNEXT attributes extend the common attributes, but in the forkattr field */
 #define ATTR_CMNEXT_RELPATH     0x00000004
 #define ATTR_CMNEXT_PRIVATESIZE 0x00000008
 
 /* CMNEXT attributes extend the common attributes, but in the forkattr field */
 #define ATTR_CMNEXT_RELPATH     0x00000004
 #define ATTR_CMNEXT_PRIVATESIZE 0x00000008
-#define ATTR_CMNEXT_LINKID     0x00000010
+#define ATTR_CMNEXT_LINKID      0x00000010
+#define ATTR_CMNEXT_NOFIRMLINKPATH     0x00000020
+#define ATTR_CMNEXT_REALDEVID   0x00000040
+#define ATTR_CMNEXT_REALFSID    0x00000080
 
 
-#define ATTR_CMNEXT_VALIDMASK  0x0000001c
-#define ATTR_CMNEXT_SETMASK            0x00000000
+#define ATTR_CMNEXT_VALIDMASK   0x000000fc
+#define ATTR_CMNEXT_SETMASK             0x00000000
 
 /* Deprecated fork attributes */
 
 /* Deprecated fork attributes */
-#define ATTR_FORK_TOTALSIZE                    0x00000001
-#define ATTR_FORK_ALLOCSIZE                    0x00000002
-#define ATTR_FORK_RESERVED                     0xffffffff
+#define ATTR_FORK_TOTALSIZE                     0x00000001
+#define ATTR_FORK_ALLOCSIZE                     0x00000002
+#define ATTR_FORK_RESERVED                      0xffffffff
 
 
-#define ATTR_FORK_VALIDMASK                    0x00000003
-#define ATTR_FORK_SETMASK                      0x00000000
+#define ATTR_FORK_VALIDMASK                     0x00000003
+#define ATTR_FORK_SETMASK                       0x00000000
 
 /* Obsolete, implemented, not supported */
 
 /* Obsolete, implemented, not supported */
-#define ATTR_CMN_NAMEDATTRCOUNT                        0x00080000
-#define ATTR_CMN_NAMEDATTRLIST                 0x00100000
-#define ATTR_FILE_CLUMPSIZE                    0x00000010      /* obsolete */
-#define ATTR_FILE_FILETYPE                     0x00000040      /* always zero */
-#define ATTR_FILE_DATAEXTENTS                  0x00000800      /* obsolete, HFS-specific */
-#define ATTR_FILE_RSRCEXTENTS                  0x00004000      /* obsolete, HFS-specific */
+#define ATTR_CMN_NAMEDATTRCOUNT                 0x00080000
+#define ATTR_CMN_NAMEDATTRLIST                  0x00100000
+#define ATTR_FILE_CLUMPSIZE                     0x00000010      /* obsolete */
+#define ATTR_FILE_FILETYPE                      0x00000040      /* always zero */
+#define ATTR_FILE_DATAEXTENTS                   0x00000800      /* obsolete, HFS-specific */
+#define ATTR_FILE_RSRCEXTENTS                   0x00004000      /* obsolete, HFS-specific */
 
 /* Required attributes for getattrlistbulk(2) */
 #define ATTR_BULK_REQUIRED (ATTR_CMN_NAME | ATTR_CMN_RETURNED_ATTRS)
 
 /* Required attributes for getattrlistbulk(2) */
 #define ATTR_BULK_REQUIRED (ATTR_CMN_NAME | ATTR_CMN_RETURNED_ATTRS)
@@ -532,29 +557,29 @@ typedef struct vol_attributes_attr {
 /*
  * Searchfs
  */
 /*
  * Searchfs
  */
-#define SRCHFS_START                           0x00000001
-#define SRCHFS_MATCHPARTIALNAMES               0x00000002
-#define SRCHFS_MATCHDIRS                       0x00000004
-#define SRCHFS_MATCHFILES                      0x00000008
-#define SRCHFS_SKIPLINKS                       0x00000010
-#define SRCHFS_SKIPINVISIBLE                   0x00000020
-#define SRCHFS_SKIPPACKAGES                    0x00000040
-#define SRCHFS_SKIPINAPPROPRIATE               0x00000080
-
-#define SRCHFS_NEGATEPARAMS                    0x80000000
-#define SRCHFS_VALIDOPTIONSMASK                        0x800000FF
+#define SRCHFS_START                            0x00000001
+#define SRCHFS_MATCHPARTIALNAMES                0x00000002
+#define SRCHFS_MATCHDIRS                        0x00000004
+#define SRCHFS_MATCHFILES                       0x00000008
+#define SRCHFS_SKIPLINKS                        0x00000010
+#define SRCHFS_SKIPINVISIBLE                    0x00000020
+#define SRCHFS_SKIPPACKAGES                     0x00000040
+#define SRCHFS_SKIPINAPPROPRIATE                0x00000080
+
+#define SRCHFS_NEGATEPARAMS                     0x80000000
+#define SRCHFS_VALIDOPTIONSMASK                 0x800000FF
 
 struct fssearchblock {
 
 struct fssearchblock {
-       struct attrlist         *returnattrs;
-       void                            *returnbuffer;
-       size_t                          returnbuffersize;
-       u_long                          maxmatches;
-       struct timeval          timelimit;
-       void                            *searchparams1;
-       size_t                          sizeofsearchparams1;
-       void                            *searchparams2;
-       size_t                          sizeofsearchparams2;
-       struct attrlist         searchattrs;
+       struct attrlist         *returnattrs;
+       void                            *returnbuffer;
+       size_t                          returnbuffersize;
+       u_long                          maxmatches;
+       struct timeval          timelimit;
+       void                            *searchparams1;
+       size_t                          sizeofsearchparams1;
+       void                            *searchparams2;
+       size_t                          sizeofsearchparams2;
+       struct attrlist         searchattrs;
 };
 
 #ifdef KERNEL
 };
 
 #ifdef KERNEL
@@ -568,12 +593,12 @@ struct user64_fssearchblock {
        user64_addr_t         returnbuffer;
        user64_size_t         returnbuffersize;
        user64_ulong_t        maxmatches;
        user64_addr_t         returnbuffer;
        user64_size_t         returnbuffersize;
        user64_ulong_t        maxmatches;
-       struct user64_timeval   timelimit;
+       struct user64_timeval   timelimit;
        user64_addr_t         searchparams1;
        user64_size_t         sizeofsearchparams1;
        user64_addr_t         searchparams2;
        user64_size_t         sizeofsearchparams2;
        user64_addr_t         searchparams1;
        user64_size_t         sizeofsearchparams1;
        user64_addr_t         searchparams2;
        user64_size_t         sizeofsearchparams2;
-       struct attrlist         searchattrs;
+       struct attrlist         searchattrs;
 };
 
 struct user32_fssearchblock {
 };
 
 struct user32_fssearchblock {
@@ -581,23 +606,23 @@ struct user32_fssearchblock {
        user32_addr_t         returnbuffer;
        user32_size_t         returnbuffersize;
        user32_ulong_t        maxmatches;
        user32_addr_t         returnbuffer;
        user32_size_t         returnbuffersize;
        user32_ulong_t        maxmatches;
-       struct user32_timeval   timelimit;
+       struct user32_timeval   timelimit;
        user32_addr_t         searchparams1;
        user32_size_t         sizeofsearchparams1;
        user32_addr_t         searchparams2;
        user32_size_t         sizeofsearchparams2;
        user32_addr_t         searchparams1;
        user32_size_t         sizeofsearchparams1;
        user32_addr_t         searchparams2;
        user32_size_t         sizeofsearchparams2;
-       struct attrlist         searchattrs;
+       struct attrlist         searchattrs;
 };
 
 #endif /* KERNEL */
 
 struct searchstate {
 };
 
 #endif /* KERNEL */
 
 struct searchstate {
-       uint32_t                        ss_union_flags;         // for SRCHFS_START
-       uint32_t                        ss_union_layer;         // 0 = top
-       u_char                          ss_fsstate[548];        // fs private
+       uint32_t                        ss_union_flags;         // for SRCHFS_START
+       uint32_t                        ss_union_layer;         // 0 = top
+       u_char                          ss_fsstate[548];        // fs private
 } __attribute__((packed));
 
 } __attribute__((packed));
 
-#define FST_EOF (-1)                           /* end-of-file offset */
+#define FST_EOF (-1)                            /* end-of-file offset */
 
 #endif /* __APPLE_API_UNSTABLE */
 #endif /* !_SYS_ATTR_H_ */
 
 #endif /* __APPLE_API_UNSTABLE */
 #endif /* !_SYS_ATTR_H_ */
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