/* * Copyright (c) 2000-2017 Apple Inc. All rights reserved. * * @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 * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * 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. * * 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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@ */ /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ /* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)vnode.h 8.17 (Berkeley) 5/20/95 */ #ifndef _VNODE_H_ #define _VNODE_H_ #include #include #include #include /* * The vnode is the focus of all file activity in UNIX. There is a * unique vnode allocated for each active file, each current directory, * each mounted-on file, text file, and the root. */ /* * Vnode types. VNON means no type. */ enum vtype { /* 0 */ VNON, /* 1 - 5 */ VREG, VDIR, VBLK, VCHR, VLNK, /* 6 - 10 */ VSOCK, VFIFO, VBAD, VSTR, VCPLX }; /* * Vnode tag types. * These are for the benefit of external programs only (e.g., pstat) * and should NEVER be inspected by the kernel. */ enum vtagtype { /* 0 */ VT_NON, /* 1 reserved, overlaps with (CTL_VFS, VFS_NUMMNTOPS) */ VT_UFS, /* 2 - 5 */ VT_NFS, VT_MFS, VT_MSDOSFS, VT_LFS, /* 6 - 10 */ VT_LOFS, VT_FDESC, VT_PORTAL, VT_NULL, VT_UMAP, /* 11 - 15 */ VT_KERNFS, VT_PROCFS, VT_AFS, VT_ISOFS, VT_MOCKFS, /* 16 - 20 */ VT_HFS, VT_ZFS, VT_DEVFS, VT_WEBDAV, VT_UDF, /* 21 - 25 */ VT_AFP, VT_CDDA, VT_CIFS, VT_OTHER, VT_APFS, /* 26 - 27*/ VT_LOCKERFS, VT_BINDFS, }; #define HAVE_VT_LOCKERFS 1 /* * flags for VNOP_BLOCKMAP */ #define VNODE_READ 0x01 #define VNODE_WRITE 0x02 #define VNODE_BLOCKMAP_NO_TRACK 0x04 // APFS Fusion: Do not track this request #define VNODE_CLUSTER_VERIFY 0x08 // Verification will be performed in the cluster layer /* flags for VNOP_ALLOCATE */ #define PREALLOCATE 0x00000001 /* preallocate allocation blocks */ #define ALLOCATECONTIG 0x00000002 /* allocate contigious space */ #define ALLOCATEALL 0x00000004 /* allocate all requested space */ /* or no space at all */ #define ALLOCATEPERSIST 0x00000008 /* do not deallocate allocated but unfilled blocks at close(2) */ #define ALLOCATEFROMPEOF 0x00000010 /* allocate from the physical eof */ #define ALLOCATEFROMVOL 0x00000020 /* allocate from the volume offset */ /* * Token indicating no attribute value yet assigned. some user source uses this */ #define VNOVAL (-1) /* * Structure for vnode level IO compression stats */ #define IOCS_BUFFER_NUM_SIZE_BUCKETS 10 #define IOCS_BUFFER_MAX_BUCKET 9 #define IOCS_BUFFER_NUM_COMPRESSION_BUCKETS 7 #define IOCS_BLOCK_NUM_SIZE_BUCKETS 16 struct io_compression_stats { uint64_t uncompressed_size; uint64_t compressed_size; uint32_t buffer_size_compression_dist[IOCS_BUFFER_NUM_SIZE_BUCKETS][IOCS_BUFFER_NUM_COMPRESSION_BUCKETS]; uint32_t block_compressed_size_dist[IOCS_BLOCK_NUM_SIZE_BUCKETS]; }; typedef struct io_compression_stats *io_compression_stats_t; #define IOCS_SBE_PATH_LEN 128 #define IOCS_PATH_START_BYTES_TO_COPY 108 #define IOCS_PATH_END_BYTES_TO_COPY 20 /* Includes null termination */ #define IOCS_SYSCTL_LIVE 0x00000001 #define IOCS_SYSCTL_STORE_BUFFER_RD_ONLY 0x00000002 #define IOCS_SYSCTL_STORE_BUFFER_MARK 0x00000004 struct iocs_store_buffer_entry { char path_name[IOCS_SBE_PATH_LEN]; struct io_compression_stats iocs; }; #endif /* !_VNODE_H_ */