/*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
LIST_HEAD(buflists, buf);
-
+#if CONFIG_VFS_FUNNEL
struct unsafe_fsnode {
lck_mtx_t fsnodelock;
int32_t fsnode_count;
void * fsnodeowner;
};
+#endif /* CONFIG_VFS_FUNNEL */
+
+#if CONFIG_TRIGGERS
+/*
+ * VFS Internal (private) trigger vnode resolver info.
+ */
+struct vnode_resolve {
+ lck_mtx_t vr_lock; /* protects vnode_resolve_t fields */
+ trigger_vnode_resolve_callback_t vr_resolve_func;
+ trigger_vnode_unresolve_callback_t vr_unresolve_func;
+ trigger_vnode_rearm_callback_t vr_rearm_func;
+ trigger_vnode_reclaim_callback_t vr_reclaim_func;
+ void * vr_data; /* private data for resolver */
+ uint32_t vr_flags;
+ uint32_t vr_lastseq;
+};
+typedef struct vnode_resolve *vnode_resolve_t;
+
+/* private vr_flags */
+#define VNT_RESOLVED (1UL << 31)
+#define VNT_VFS_UNMOUNTED (1UL << 30)
+#define VNT_EXTERNAL (1UL << 29)
+
+#endif /* CONFIG_TRIGGERS */
/*
* Reading or writing any of these items requires holding the appropriate lock.
const char *v_name; /* name component of the vnode */
vnode_t v_parent; /* pointer to parent vnode */
struct lockf *v_lockf; /* advisory lock list head */
-#ifndef __LP64__
+#if CONFIG_VFS_FUNNEL
struct unsafe_fsnode *v_unsafefs; /* pointer to struct used to lock */
#else
int32_t v_reserved1;
+#ifdef __LP64__
int32_t v_reserved2;
-#endif /* __LP64__ */
+#endif
+#endif /* CONFIG_VFS_FUNNEL */
int (**v_op)(void *); /* vnode operations vector */
mount_t v_mount; /* ptr to vfs we are in */
void * v_data; /* private data for fs */
#if CONFIG_MACF
struct label *v_label; /* MAC security label */
#endif
+#if CONFIG_TRIGGERS
+ vnode_resolve_t v_resolve; /* trigger vnode resolve info (VDIR only) */
+#endif /* CONFIG_TRIGGERS */
};
#define v_mountedhere v_un.vu_mountedhere
/*
* v_listflag
*/
-#define VLIST_RAGE 0x01 /* vnode is currently in the rapid age list */
-#define VLIST_DEAD 0x02 /* vnode is currently in the dead list */
+#define VLIST_RAGE 0x01 /* vnode is currently in the rapid age list */
+#define VLIST_DEAD 0x02 /* vnode is currently in the dead list */
+#define VLIST_ASYNC_WORK 0x04 /* vnode is currently on the deferred async work queue */
/*
* v_lflags
#define VL_TERMWANT 0x0008 /* there's a waiter for recycle finish (vnode_getiocount)*/
#define VL_DEAD 0x0010 /* vnode is dead, cleaned of filesystem-specific info */
#define VL_MARKTERM 0x0020 /* vnode should be recycled when no longer referenced */
-#define VL_MOUNTDEAD 0x0040 /* v_moutnedhere is dead */
#define VL_NEEDINACTIVE 0x0080 /* delay VNOP_INACTIVE until iocount goes to 0 */
#define VL_LABEL 0x0100 /* vnode is marked for labeling */
#define VDEVFLUSH 0x000040 /* device vnode after vflush */
#define VMOUNT 0x000080 /* mount operation in progress */
#define VBWAIT 0x000100 /* waiting for output to complete */
- /* Free slot here after removing VALIASED for radar #5971707 */
+#define VSHARED_DYLD 0x000200 /* vnode is a dyld shared cache file */
#define VNOCACHE_DATA 0x000400 /* don't keep data cached once it's been consumed */
#define VSTANDARD 0x000800 /* vnode obtained from common pool */
#define VAGE 0x001000 /* Insert vnode at head of free list */
#define VISNAMEDSTREAM 0x400000 /* vnode is a named stream (eg HFS resource fork) */
#endif
#define VOPENEVT 0x800000 /* if process is P_CHECKOPENEVT, then or in the O_EVTONLY flag on open */
+#define VNEEDSSNAPSHOT 0x1000000
/*
* Global vnode data.
extern struct vnode *rootvnode; /* root (i.e. "/") vnode */
#ifdef CONFIG_IMGSRC_ACCESS
-extern struct vnode *imgsrc_rootvnode;
+#define MAX_IMAGEBOOT_NESTING 2
+extern struct vnode *imgsrc_rootvnodes[];
#endif /* CONFIG_IMGSRC_ACCESS */
#define BUILDPATH_NO_FS_ENTER 0x1 /* Use cache values, do not enter file system */
#define BUILDPATH_CHECKACCESS 0x2 /* Check if parents have search rights */
+#define BUILDPATH_CHECK_MOVED 0x4 /* Return EAGAIN if the parent hierarchy is modified */
+
int build_path(vnode_t first_vp, char *buff, int buflen, int *outlen, int flags, vfs_context_t ctx);
int bdevvp(dev_t dev, struct vnode **vpp);
int vn_open_modflags(struct nameidata *ndp, int *fmode, int cmode);
int vn_open_auth(struct nameidata *ndp, int *fmode, struct vnode_attr *);
int vn_close(vnode_t, int flags, vfs_context_t ctx);
+errno_t vn_remove(vnode_t dvp, vnode_t *vpp, struct nameidata *ndp, int32_t flags, struct vnode_attr *vap, vfs_context_t ctx);
+errno_t vn_rename(struct vnode *fdvp, struct vnode **fvpp, struct componentname *fcnp, struct vnode_attr *fvap,
+ struct vnode *tdvp, struct vnode **tvpp, struct componentname *tcnp, struct vnode_attr *tvap,
+ uint32_t flags, vfs_context_t ctx);
void lock_vnode_and_post(vnode_t, int);
} \
} while (0)
-
+/* Authorization subroutines */
+int vn_authorize_open_existing(vnode_t vp, struct componentname *cnp, int fmode, vfs_context_t ctx, void *reserved);
+int vn_authorize_create(vnode_t, struct componentname *, struct vnode_attr *, vfs_context_t, void*);
+int vn_attribute_prepare(vnode_t dvp, struct vnode_attr *vap, uint32_t *defaulted_fieldsp, vfs_context_t ctx);
+void vn_attribute_cleanup(struct vnode_attr *vap, uint32_t defaulted_fields);
+int vn_authorize_unlink(vnode_t dvp, vnode_t vp, struct componentname *cnp, vfs_context_t ctx, void *reserved);
+int vn_authorize_rename(struct vnode *fdvp, struct vnode *fvp, struct componentname *fcnp,
+ struct vnode *tdvp, struct vnode *tvp, struct componentname *tcnp,
+ vfs_context_t ctx, void *reserved);
+int vn_authorize_rmdir(vnode_t dvp, vnode_t vp, struct componentname *cnp, vfs_context_t ctx, void *reserved);
+
+typedef int (*vn_create_authorizer_t)(vnode_t, struct componentname *, struct vnode_attr *, vfs_context_t, void*);
+int vn_authorize_mkdir(vnode_t, struct componentname *, struct vnode_attr *, vfs_context_t, void*);
+int vn_authorize_null(vnode_t, struct componentname *, struct vnode_attr *, vfs_context_t, void*);
+/* End of authorization subroutines */
#define VN_CREATE_NOAUTH (1<<0)
#define VN_CREATE_NOINHERIT (1<<1)
#define VN_CREATE_UNION (1<<2)
#define VN_CREATE_NOLABEL (1<<3)
-errno_t vn_create(vnode_t, vnode_t *, struct componentname *, struct vnode_attr *, int flags, vfs_context_t);
-
+#define VN_CREATE_DOOPEN (1<<4) /* Open file if a batched operation is available */
+errno_t vn_create(vnode_t, vnode_t *, struct nameidata *, struct vnode_attr *, uint32_t, int, uint32_t*, vfs_context_t);
+int vn_mkdir(vnode_t dvp, vnode_t *vpp, struct nameidata *ndp, struct vnode_attr *vap, vfs_context_t ctx);
+int vn_rmdir(vnode_t dvp, vnode_t *vpp, struct nameidata *ndp, struct vnode_attr *vap, vfs_context_t ctx);
int vn_getxattr(vnode_t, const char *, uio_t, size_t *, int, vfs_context_t);
int vn_setxattr(vnode_t, const char *, uio_t, int, vfs_context_t);
const char *cache_enter_create(vnode_t dvp, vnode_t vp, struct componentname *cnp);
int vn_pathconf(vnode_t, int, int32_t *, vfs_context_t);
+extern int nc_disabled;
#define vnode_lock_convert(v) lck_mtx_convert_spin(&(v)->v_lock)
void vnode_list_lock(void);
void vnode_list_unlock(void);
-int vnode_ref_ext(vnode_t, int);
+
+#define VNODE_REF_FORCE 0x1
+int vnode_ref_ext(vnode_t, int, int);
+
void vnode_rele_ext(vnode_t, int, int);
void vnode_rele_internal(vnode_t, int, int, int);
#ifdef BSD_KERNEL_PRIVATE
int vnode_getalways(vnode_t);
int vget_internal(vnode_t, int, int);
+errno_t vnode_getiocount(vnode_t, unsigned int, int);
#endif /* BSD_KERNEL_PRIVATE */
int vnode_get_locked(vnode_t);
int vnode_put_locked(vnode_t);
int vnode_setattr_fallback(vnode_t vp, struct vnode_attr *vap, vfs_context_t ctx);
int vnode_isspec(vnode_t vp);
+
+#ifdef BSD_KERNEL_PRIVATE
+
+typedef uint32_t compound_vnop_id_t;
+#define COMPOUND_VNOP_OPEN 0x01
+#define COMPOUND_VNOP_MKDIR 0x02
+#define COMPOUND_VNOP_RENAME 0x04
+#define COMPOUND_VNOP_REMOVE 0x08
+#define COMPOUND_VNOP_RMDIR 0x10
+
+int vnode_compound_rename_available(vnode_t vp);
+int vnode_compound_rmdir_available(vnode_t vp);
+int vnode_compound_mkdir_available(vnode_t vp);
+int vnode_compound_remove_available(vnode_t vp);
+int vnode_compound_open_available(vnode_t vp);
+int vnode_compound_op_available(vnode_t, compound_vnop_id_t);
+#endif /* BSD_KERNEL_PRIVATE */
+
void vn_setunionwait(vnode_t);
void vn_checkunionwait(vnode_t);
void vn_clearunionwait(vnode_t, int);
int sysctl_vnode(struct sysctl_oid *oidp, void *arg1, int arg2, struct sysctl_req *req);
#ifdef BSD_KERNEL_PRIVATE
-void vnode_knoteupdate(struct knote *kn);
void vnode_setneedinactive(vnode_t);
int vnode_hasnamedstreams(vnode_t); /* Does this vnode have associated named streams? */
-#endif
+
+void nspace_proc_exit(struct proc *p);
+
+#if CONFIG_TRIGGERS
+/* VFS Internal Vnode Trigger Interfaces (Private) */
+int vnode_trigger_resolve(vnode_t, struct nameidata *, vfs_context_t);
+void vnode_trigger_rearm(vnode_t, vfs_context_t);
+void vfs_nested_trigger_unmounts(mount_t, int, vfs_context_t);
+#endif /* CONFIG_TRIGGERS */
+
+#endif /* BSD_KERNEL_PRIVATE */
#endif /* !_SYS_VNODE_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff