| 1 | /*
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| 2 | * Copyright (c) 2007 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libc
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef LIBC_VFS_H_
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| 36 | #define LIBC_VFS_H_
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| 37 |
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| 38 | #include <sys/types.h>
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| 39 | #include <ipc/vfs.h>
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| 40 | #include <ipc/loc.h>
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| 41 | #include <adt/list.h>
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| 42 | #include <stdio.h>
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| 43 | #include <async.h>
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| 44 |
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| 45 | #define MAX_OPEN_FILES 128
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| 46 |
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| 47 | enum vfs_change_state_type {
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| 48 | VFS_PASS_HANDLE
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| 49 | };
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| 50 |
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| 51 | typedef enum {
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| 52 | KIND_FILE,
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| 53 | KIND_DIRECTORY,
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| 54 | } vfs_file_kind_t;
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| 55 |
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| 56 |
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| 57 | struct stat {
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| 58 | fs_handle_t fs_handle;
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| 59 | service_id_t service_id;
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| 60 | fs_index_t index;
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| 61 | unsigned int lnkcnt;
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| 62 | bool is_file;
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| 63 | bool is_directory;
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| 64 | aoff64_t size;
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| 65 | service_id_t service;
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| 66 | };
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| 67 |
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| 68 | struct statfs {
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| 69 | char fs_name[FS_NAME_MAXLEN + 1];
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| 70 | uint32_t f_bsize; /* fundamental file system block size */
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| 71 | uint64_t f_blocks; /* total data blocks in file system */
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| 72 | uint64_t f_bfree; /* free blocks in fs */
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| 73 | };
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| 74 |
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| 75 | extern int vfs_fhandle(FILE *, int *);
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| 76 |
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| 77 | extern char *vfs_absolutize(const char *, size_t *);
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| 78 | extern int vfs_clone(int, int, bool);
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| 79 | extern int vfs_cwd_get(char *path, size_t);
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| 80 | extern int vfs_cwd_set(const char *path);
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| 81 | extern async_exch_t *vfs_exchange_begin(void);
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| 82 | extern void vfs_exchange_end(async_exch_t *);
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| 83 | extern int vfs_link(int, const char *, vfs_file_kind_t);
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| 84 | extern int vfs_link_path(const char *, vfs_file_kind_t);
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| 85 | extern int vfs_lookup(const char *, int);
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| 86 | extern int vfs_lookup_open(const char *, int, int);
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| 87 | extern int vfs_mount_path(const char *, const char *, const char *,
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| 88 | const char *, unsigned int, unsigned int);
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| 89 | extern int vfs_mount(int, const char *, service_id_t, const char *, unsigned,
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| 90 | unsigned, int *);
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| 91 | extern int vfs_open(int, int);
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| 92 | extern int vfs_pass_handle(async_exch_t *, int, async_exch_t *);
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| 93 | extern int vfs_put(int);
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| 94 | extern ssize_t vfs_read(int, aoff64_t *, void *, size_t);
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| 95 | extern int vfs_read_short(int, aoff64_t, void *, size_t, ssize_t *);
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| 96 | extern int vfs_receive_handle(bool);
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| 97 | extern int vfs_rename_path(const char *, const char *);
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| 98 | extern int vfs_resize(int, aoff64_t);
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| 99 | extern int vfs_root(void);
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| 100 | extern void vfs_root_set(int);
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| 101 | extern int vfs_stat(int, struct stat *);
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| 102 | extern int vfs_stat_path(const char *, struct stat *);
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| 103 | extern int vfs_statfs(int, struct statfs *);
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| 104 | extern int vfs_statfs_path(const char *, struct statfs *);
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| 105 | extern int vfs_sync(int);
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| 106 | extern int vfs_unlink(int, const char *, int);
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| 107 | extern int vfs_unlink_path(const char *);
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| 108 | extern int vfs_unmount(int);
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| 109 | extern int vfs_unmount_path(const char *);
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| 110 | extern int vfs_walk(int, const char *, int);
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| 111 | extern ssize_t vfs_write(int, aoff64_t *, const void *, size_t);
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| 112 | extern int vfs_write_short(int, aoff64_t, const void *, size_t, ssize_t *);
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| 113 |
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| 114 | #endif
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| 115 |
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| 116 | /** @}
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| 117 | */
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