76 lines
3.1 KiB
C
76 lines
3.1 KiB
C
/*
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* Copyright (c) 2022 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _VFS_EXCLAVE_FS_H_
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#define _VFS_EXCLAVE_FS_H_
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#include <kern/kern_types.h>
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/* directory entry */
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typedef struct {
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uint32_t length;
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uint32_t returned_attrs[5];
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int32_t name_offset;
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uint32_t name_length;
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uint32_t obj_type;
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uint64_t file_id;
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off_t data_length;
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} __attribute__((packed)) exclave_fs_dirent_t;
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/* root_id for non-EFT_EXCLAVE fs, maps to base dir */
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#define EXCLAVE_FS_BASEDIR_ROOT_ID 0
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/* sync operations for vfs_exclave_fs_sync() */
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#define EXCLAVE_FS_SYNC_OP_BARRIER 0
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#define EXCLAVE_FS_SYNC_OP_FULL 1
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#define EXCLAVE_FS_REGISTER_ENTITLEMENT "com.apple.private.vfs.exclave-fs-register"
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int vfs_exclave_fs_start(void);
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void vfs_exclave_fs_stop(void);
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int vfs_exclave_fs_register(uint32_t fs_tag, vnode_t vp);
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int vfs_exclave_fs_unregister(vnode_t vp);
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int vfs_exclave_fs_get_base_dirs(void *buf, uint32_t *count);
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int vfs_exclave_fs_register_path(uint32_t fs_tag, const char *base_path);
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int vfs_exclave_fs_unregister_tag(uint32_t fs_tag);
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int vfs_exclave_fs_root(const char *exclave_id, uint64_t *root_id);
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int vfs_exclave_fs_open(uint32_t fs_tag, uint64_t root_id, const char *name, uint64_t *file_id);
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int vfs_exclave_fs_close(uint32_t fs_tag, uint64_t file_id);
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int vfs_exclave_fs_create(uint32_t fs_tag, uint64_t root_id, const char *name, uint64_t *file_id);
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int vfs_exclave_fs_read(uint32_t fs_tag, uint64_t file_id, uint64_t file_offset, uint64_t length, void *data);
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int vfs_exclave_fs_write(uint32_t fs_tag, uint64_t file_id, uint64_t file_offset, uint64_t length, void *data);
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int vfs_exclave_fs_remove(uint32_t fs_tag, uint64_t root_id, const char *name);
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int vfs_exclave_fs_sync(uint32_t fs_tag, uint64_t file_id, uint64_t sync_op);
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int vfs_exclave_fs_readdir(uint32_t fs_tag, uint64_t file_id, void *dirent_buf,
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uint32_t buf_size, int32_t *count);
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int vfs_exclave_fs_getsize(uint32_t fs_tag, uint64_t file_id, uint64_t *size);
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#endif
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