266 lines
9.7 KiB
C
266 lines
9.7 KiB
C
/****************************************************************************
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* fs/rpmsgfs/rpmsgfs.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __FS_RPMSGFS_RPMSGFS_H
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#define __FS_RPMSGFS_RPMSGFS_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <dirent.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/param.h>
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/****************************************************************************
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* Pre-processor definitions
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****************************************************************************/
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#define RPMSGFS_NAME_PREFIX "rpmsgfs-"
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#define RPMSGFS_OPEN 1
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#define RPMSGFS_CLOSE 2
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#define RPMSGFS_READ 3
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#define RPMSGFS_WRITE 4
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#define RPMSGFS_LSEEK 5
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#define RPMSGFS_IOCTL 6
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#define RPMSGFS_SYNC 7
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#define RPMSGFS_DUP 8
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#define RPMSGFS_FSTAT 9
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#define RPMSGFS_FTRUNCATE 10
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#define RPMSGFS_OPENDIR 11
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#define RPMSGFS_READDIR 12
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#define RPMSGFS_REWINDDIR 13
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#define RPMSGFS_CLOSEDIR 14
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#define RPMSGFS_STATFS 15
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#define RPMSGFS_UNLINK 16
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#define RPMSGFS_MKDIR 17
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#define RPMSGFS_RMDIR 18
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#define RPMSGFS_RENAME 19
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#define RPMSGFS_STAT 20
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#define RPMSGFS_FCHSTAT 21
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#define RPMSGFS_CHSTAT 22
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/****************************************************************************
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* Public Types
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****************************************************************************/
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begin_packed_struct struct rpmsgfs_header_s
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{
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uint32_t command;
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int32_t result;
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uint64_t cookie;
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_open_s
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{
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struct rpmsgfs_header_s header;
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int32_t flags;
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int32_t mode;
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char pathname[0];
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_close_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_read_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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uint32_t count;
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char buf[0];
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} end_packed_struct;
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#define rpmsgfs_write_s rpmsgfs_read_s
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begin_packed_struct struct rpmsgfs_lseek_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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int32_t whence;
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int32_t offset;
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_ioctl_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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int32_t request;
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uint64_t arg;
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uint32_t arglen;
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char buf[0];
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} end_packed_struct;
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#define rpmsgfs_sync_s rpmsgfs_close_s
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#define rpmsgfs_dup_s rpmsgfs_close_s
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begin_packed_struct struct rpmsgfs_stat_priv_s
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{
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uint32_t dev; /* Device ID of device containing file */
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uint32_t mode; /* File type, attributes, and access mode bits */
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uint32_t rdev; /* Device ID (if file is character or block special) */
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uint16_t ino; /* File serial number */
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uint16_t nlink; /* Number of hard links to the file */
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int64_t size; /* Size of file/directory, in bytes */
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int64_t atim_sec; /* Time of last access, seconds */
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int64_t atim_nsec; /* Time of last access, nanoseconds */
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int64_t mtim_sec; /* Time of last modification, seconds */
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int64_t mtim_nsec; /* Time of last modification, nanoseconds */
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int64_t ctim_sec; /* Time of last status change, seconds */
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int64_t ctim_nsec; /* Time of last status change, nanoseconds */
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uint64_t blocks; /* Number of blocks allocated */
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int16_t uid; /* User ID of file */
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int16_t gid; /* Group ID of file */
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int16_t blksize; /* Block size used for filesystem I/O */
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uint16_t reserved; /* Reserved space */
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_fstat_s
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{
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struct rpmsgfs_header_s header;
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struct rpmsgfs_stat_priv_s buf;
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union
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{
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int32_t fd;
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char pathname[0];
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};
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_ftruncate_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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int32_t length;
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_opendir_s
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{
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struct rpmsgfs_header_s header;
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char pathname[0];
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} end_packed_struct;
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begin_packed_struct struct rpmsgfs_readdir_s
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{
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struct rpmsgfs_header_s header;
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int32_t fd;
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uint32_t type;
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char name[0];
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} end_packed_struct;
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#define rpmsgfs_rewinddir_s rpmsgfs_close_s
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#define rpmsgfs_closedir_s rpmsgfs_close_s
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begin_packed_struct struct rpmsgfs_statfs_s
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{
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struct rpmsgfs_header_s header;
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uint32_t type; /* Type of filesystem */
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uint32_t reserved; /* Reserved space */
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uint64_t namelen; /* Maximum length of filenames */
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uint64_t bsize; /* Optimal block size for transfers */
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uint64_t blocks; /* Total data blocks in the file system of this size */
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uint64_t bfree; /* Free blocks in the file system */
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uint64_t bavail; /* Free blocks avail to non-superuser */
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uint64_t files; /* Total file nodes in the file system */
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uint64_t ffree; /* Free file nodes in the file system */
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char pathname[0];
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} end_packed_struct;
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#define rpmsgfs_unlink_s rpmsgfs_opendir_s
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begin_packed_struct struct rpmsgfs_mkdir_s
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{
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struct rpmsgfs_header_s header;
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int32_t mode;
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uint32_t reserved;
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char pathname[0];
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} end_packed_struct;
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#define rpmsgfs_rmdir_s rpmsgfs_opendir_s
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#define rpmsgfs_rename_s rpmsgfs_opendir_s
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#define rpmsgfs_stat_s rpmsgfs_fstat_s
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begin_packed_struct struct rpmsgfs_fchstat_s
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{
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struct rpmsgfs_header_s header;
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struct rpmsgfs_stat_priv_s buf;
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int32_t flags;
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union
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{
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int32_t fd;
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char pathname[0];
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};
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} end_packed_struct;
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#define rpmsgfs_chstat_s rpmsgfs_fchstat_s
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/****************************************************************************
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* Internal function prototypes
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****************************************************************************/
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int rpmsgfs_client_open(FAR void *handle,
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FAR const char *pathname, int flags, int mode);
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int rpmsgfs_client_close(FAR void *handle, int fd);
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ssize_t rpmsgfs_client_read(FAR void *handle, int fd,
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FAR void *buf, size_t count);
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ssize_t rpmsgfs_client_write(FAR void *handle, int fd,
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FAR const void *buf, size_t count);
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off_t rpmsgfs_client_lseek(FAR void *handle, int fd,
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off_t offset, int whence);
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int rpmsgfs_client_ioctl(FAR void *handle, int fd,
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int request, unsigned long arg);
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void rpmsgfs_client_sync(FAR void *handle, int fd);
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int rpmsgfs_client_dup(FAR void *handle, int fd);
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int rpmsgfs_client_fstat(FAR void *handle, int fd,
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FAR struct stat *buf);
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int rpmsgfs_client_fchstat(FAR void *handle, int fd,
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FAR const struct stat *buf, int flags);
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int rpmsgfs_client_ftruncate(FAR void *handle, int fd, off_t length);
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FAR void *rpmsgfs_client_opendir(FAR void *handle, FAR const char *name);
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int rpmsgfs_client_readdir(FAR void *handle, FAR void *dirp,
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FAR struct dirent *entry);
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void rpmsgfs_client_rewinddir(FAR void *handle, FAR void *dirp);
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int rpmsgfs_client_bind(FAR void **handle, FAR const char *cpuname);
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int rpmsgfs_client_unbind(FAR void *handle);
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int rpmsgfs_client_closedir(FAR void *handle, FAR void *dirp);
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int rpmsgfs_client_statfs(FAR void *handle, FAR const char *path,
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FAR struct statfs *buf);
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int rpmsgfs_client_unlink(FAR void *handle, FAR const char *pathname);
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int rpmsgfs_client_mkdir(FAR void *handle, FAR const char *pathname,
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mode_t mode);
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int rpmsgfs_client_rmdir(FAR void *handle, FAR const char *pathname);
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int rpmsgfs_client_rename(FAR void *handle, FAR const char *oldpath,
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FAR const char *newpath);
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int rpmsgfs_client_stat(FAR void *handle, FAR const char *path,
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FAR struct stat *buf);
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int rpmsgfs_client_chstat(FAR void *handle, FAR const char *path,
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FAR const struct stat *buf, int flags);
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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int rpmsgfs_server_init(void);
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#endif /* __FS_RPMSGFS_RPMSGFS_H */
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