xnu-3247.1.106.tar.gz

[apple/xnu.git] / bsd / sys / fsctl.h

diff --git a/bsd/sys/fsctl.h b/bsd/sys/fsctl.h
index 40c6b10b1f2512deeb69786adcfb3d48f16706ac..c99d47ba716c2e0b97d46617495081e9d22b5399 100644 (file)
--- a/bsd/sys/fsctl.h
+++ b/bsd/sys/fsctl.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2014 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -74,6 +74,7 @@
 
 #ifdef XNU_KERNEL_PRIVATE
 
+/* Userland structs for namespace handler */
 typedef struct user64_namespace_handler_info {
        user64_addr_t  token;
        user64_addr_t  flags;
@@ -86,12 +87,16 @@ typedef struct user32_namespace_handler_info {
        user32_addr_t  fdptr;
 } user32_namespace_handler_info;
 
+
+/* Kernel-internal of namespace handler info */
 typedef struct namespace_handler_info {
        user_addr_t  token;
        user_addr_t  flags;
        user_addr_t  fdptr;
 } namespace_handler_info;
 
+
+/* Userland structs for extended namespace handler */
 typedef struct user64_namespace_handler_info_ext {
        user64_addr_t  token;
        user64_addr_t  flags;
@@ -106,6 +111,8 @@ typedef struct user32_namespace_handler_info_ext {
        user32_addr_t  infoptr;
 } user32_namespace_handler_info_ext;
 
+
+/* Kernel-internal of extended namespace handler */
 typedef struct namespace_handler_info_ext {
        user_addr_t  token;
        user_addr_t  flags;
@@ -113,6 +120,45 @@ typedef struct namespace_handler_info_ext {
        user_addr_t  infoptr;
 } namespace_handler_info_ext;
 
+/* Size-Augmented namespace_handler_info */
+/* 64 bit userland*/
+typedef struct user64_namespace_handler_data {
+       user64_addr_t token;
+       user64_addr_t flags;
+       user64_addr_t fdptr;
+       user64_addr_t infoptr;
+       user64_addr_t objid;
+       user64_addr_t reserved1;
+       user64_addr_t reserved2;
+       user64_addr_t reserved3;
+} user64_namespace_handler_data;
+
+/*32 bit userland*/
+typedef struct user32_namespace_handler_data {
+       user32_addr_t token;
+       user32_addr_t flags;
+       user32_addr_t fdptr;
+       user32_addr_t infoptr;
+       user32_addr_t objid;
+       user32_addr_t reserved1;
+       user32_addr_t reserved2;
+       user32_addr_t reserved3;
+} user32_namespace_handler_data;
+
+/* kernel-internal */
+typedef struct namespace_handler_data {
+       user_addr_t token;
+       user_addr_t flags;
+       user_addr_t fdptr;
+       user_addr_t infoptr;
+       user_addr_t objid;
+       user_addr_t reserved1;
+       user_addr_t reserved2;
+       user_addr_t reserved3;
+} namespace_handler_data;
+
+
+#define NSPACE_REARM_NO_ARG ((void *)1)
 extern int resolve_nspace_item(struct vnode *vp, uint64_t op);
 extern int resolve_nspace_item_ext(struct vnode *vp, uint64_t op, void *arg);
 extern int get_nspace_item_status(struct vnode *vp, int32_t *status);
@@ -132,6 +178,16 @@ typedef struct namespace_handler_info_ext {
        int64_t    *infoptr;     // for snapshot write events, the kernel puts an offset/length pair here
 } namespace_handler_info_ext;
 
+typedef struct namespace_handler_data {
+       int32_t *token;
+       int64_t *flags;
+       int32_t *fdptr;
+       int64_t *infoptr;     // for snapshot write events, the kernel puts an offset/length pair here
+       int64_t *objid;
+       uint32_t *reserved1;
+       uint32_t *reserved2;
+       uint32_t *reserved3;
+} namespace_handler_data;
 
 #endif /* XNU_KERNEL_PRIVATE */
 
@@ -143,7 +199,10 @@ typedef struct namespace_handler_info_ext {
 #define NAMESPACE_HANDLER_METADATA_WRITE_OP   0x0020
 #define NAMESPACE_HANDLER_METADATA_DELETE_OP  0x0040
 #define NAMESPACE_HANDLER_METADATA_MOD        0x0080
+// #define NAMESPACE_HANDLER_OP_DO_NOT_USE    0x0100   // SNAPSHOT_EVENT uses this value
 #define NAMESPACE_HANDLER_LINK_CREATE         0x0200
+#define NAMESPACE_HANDLER_RENAME_SUCCESS_OP   0x0400
+#define NAMESPACE_HANDLER_RENAME_FAILED_OP    0x0800
 
 #define NAMESPACE_HANDLER_NSPACE_EVENT        0x1000
 #define NAMESPACE_HANDLER_SNAPSHOT_EVENT      0x0100
@@ -189,8 +248,8 @@ typedef struct package_ext_info {
 #define FSIOC_SET_PACKAGE_EXTS                   _IOW('A', 2, struct package_ext_info)
 #define        FSCTL_SET_PACKAGE_EXTS                    IOCBASECMD(FSIOC_SET_PACKAGE_EXTS)
 
-#define FSIOC_WAIT_FOR_SYNC                      _IOR('A', 3, int32_t)
-#define        FSCTL_WAIT_FOR_SYNC                       IOCBASECMD(FSIOC_WAIT_FOR_SYNC)
+/* Unsupported - previously FSIOC_WAIT_FOR_SYNC */
+#define FSIOC_UNSUPPORTED                        _IOR('A', 3, int32_t)
 
 #define FSIOC_NAMESPACE_HANDLER_GET              _IOW('A', 4, struct namespace_handler_info)
 #define        FSCTL_NAMESPACE_HANDLER_GET               IOCBASECMD(FSIOC_NAMESPACE_HANDLER_GET)
@@ -216,14 +275,17 @@ typedef struct package_ext_info {
 #define FSIOC_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS _IOW('A', 11, int32_t)
 #define        FSCTL_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS IOCBASECMD(FSIOC_NAMESPACE_ALLOW_DMG_SNAPSHOT_EVENTS)
 
-#define FSIOC_TRACKED_HANDLER_GET                _IOW('A', 12, struct namespace_handler_info)
-#define FSCTL_TRACKED_HANDLER_GET                IOCBASECMD(FSIOC_TRACKED_HANDLER_GET)
+/* 12 was used for TRACKED_HANDLER_GET which has now been removed
+   as it is no longer used. */
 
 #define FSIOC_SNAPSHOT_HANDLER_GET_EXT           _IOW('A', 13, struct namespace_handler_info_ext)
 #define FSCTL_SNAPSHOT_HANDLER_GET_EXT           IOCBASECMD(FSIOC_SNAPSHOT_HANDLER_GET_EXT)
 
+/* 14 was used for NAMESPACE_HANDLER_GETDATA which has now been
+   removed as it is no longer used. */
+
 //
-// IO commands 14, 15, 16, and 17 are currently unused
+// IO commands 15, 16, and 17 are currently unused
 //
 
 //