182 lines
7.5 KiB
C
182 lines
7.5 KiB
C
/*
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Copyright (c) 2012, Broadcom Europe Ltd
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef VC_VCHI_VCFILESYS_H_
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#define VC_VCHI_VCFILESYS_H_
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#include "vchost_platform_config.h"
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#include "vcfilesys_defs.h"
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#include "vc_fileservice_defs.h"
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#include "interface/vchi/vchi.h"
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#ifndef _DIRENT_H // This should really be in a dirent.h header to avoid conflicts
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typedef struct DIR_tag DIR;
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#endif // ifndef _DIRENT_H
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typedef struct {
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int64_t st_size; /* total size, in bytes (off_t)*/
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uint32_t st_modtime; /* time of last modification (time_t)*/
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} FSTAT_T;
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VCHPRE_ int VCHPOST_ vc_vchi_filesys_init (VCHI_INSTANCE_T initialise_instance, VCHI_CONNECTION_T **connections, uint32_t num_connections );
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// Stop it to prevent the functions from trying to use it.
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VCHPRE_ void VCHPOST_ vc_filesys_stop(void);
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// Return the service number (-1 if not running).
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VCHPRE_ int VCHPOST_ vc_filesys_inum(void);
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// Low level file system functions equivalent to close(), lseek(), open(), read() and write()
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VCHPRE_ int VCHPOST_ vc_filesys_close(int fildes);
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VCHPRE_ long VCHPOST_ vc_filesys_lseek(int fildes, long offset, int whence);
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VCHPRE_ int64_t VCHPOST_ vc_filesys_lseek64(int fildes, int64_t offset, int whence);
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VCHPRE_ int VCHPOST_ vc_filesys_open(const char *path, int vc_oflag);
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VCHPRE_ int VCHPOST_ vc_filesys_read(int fildes, void *buf, unsigned int nbyte);
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VCHPRE_ int VCHPOST_ vc_filesys_write(int fildes, const void *buf, unsigned int nbyte);
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VCHPRE_ int VCHPOST_ vc_filesys_mount(const char *device, const char *mountpoint, const char *options);
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VCHPRE_ int VCHPOST_ vc_filesys_umount(const char *mountpoint);
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// Ends a directory listing iteration
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VCHPRE_ int VCHPOST_ vc_filesys_closedir(void *dhandle);
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// Formats the drive that contains the given path
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VCHPRE_ int VCHPOST_ vc_filesys_format(const char *path);
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// Returns the amount of free space on the drive that contains the given path
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VCHPRE_ int VCHPOST_ vc_filesys_freespace(const char *path);
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VCHPRE_ int64_t VCHPOST_ vc_filesys_freespace64(const char *path);
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// Gets the attributes of the named file
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VCHPRE_ int VCHPOST_ vc_filesys_get_attr(const char *path, fattributes_t *attr);
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// Get the file stat info struct for the specified file.
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VCHPRE_ int VCHPOST_ vc_filesys_fstat(int filedes, FSTAT_T *buf);
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// Creates a new directory
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VCHPRE_ int VCHPOST_ vc_filesys_mkdir(const char *path);
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// Starts a directory listing iteration
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VCHPRE_ void * VCHPOST_ vc_filesys_opendir(const char *dirname);
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// Directory listing iterator
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VCHPRE_ struct dirent * VCHPOST_ vc_filesys_readdir_r(void *dhandle, struct dirent *result);
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// Get the sum of the filesizes, and the number of files under the specified directory path.
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VCHPRE_ int64_t VCHPOST_ vc_filesys_dirsize(const char *path, uint32_t *num_files, uint32_t *num_dirs);
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// Deletes a file or (empty) directory
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VCHPRE_ int VCHPOST_ vc_filesys_remove(const char *path);
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// Renames a file, provided the new name is on the same file system as the old
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VCHPRE_ int VCHPOST_ vc_filesys_rename(const char *oldfile, const char *newfile);
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// Resets the co-processor side file system
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VCHPRE_ int VCHPOST_ vc_filesys_reset(void);
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// Sets the attributes of the named file
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VCHPRE_ int VCHPOST_ vc_filesys_set_attr(const char *path, fattributes_t attr);
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// Truncates a file at its current position
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VCHPRE_ int VCHPOST_ vc_filesys_setend(int fildes);
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// Returns the size of a file in bytes.
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VCHPRE_ int VCHPOST_ vc_filesys_size(const char *path);
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// Checks whether there are any messages in the incoming message fifo and responds to any such messages
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VCHPRE_ int VCHPOST_ vc_filesys_poll_message_fifo(void);
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// Return the event used to wait for reads.
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VCHPRE_ void * VCHPOST_ vc_filesys_read_event(void);
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// Sends a command for VC01 to reset the file system
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VCHPRE_ void VCHPOST_ vc_filesys_sendreset(void);
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// Return the error code of the last file system error
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VCHPRE_ int VCHPOST_ vc_filesys_errno(void);
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// Invalidates any cluster chains in the FAT that are not referenced in any directory structures
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VCHPRE_ void VCHPOST_ vc_filesys_scandisk(const char *path);
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// Checks whether or not a FAT filesystem is corrupt or not. If fix_errors is TRUE behaves exactly as vc_filesys_scandisk.
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VCHPRE_ int VCHPOST_ vc_filesys_chkdsk(const char *path, int fix_errors);
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// Return whether a disk is writeable or not.
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VCHPRE_ int VCHPOST_ vc_filesys_diskwritable(const char *path);
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// Return file system type of a disk.
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VCHPRE_ int VCHPOST_ vc_filesys_fstype(const char *path);
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// Returns the toatl amount of space on the drive that contains the given path
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VCHPRE_ int VCHPOST_ vc_filesys_totalspace(const char *path);
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VCHPRE_ int64_t VCHPOST_ vc_filesys_totalspace64(const char *path);
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// Open disk for block level access
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VCHPRE_ int VCHPOST_ vc_filesys_open_disk_raw(const char *path);
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// Close disk from block level access mode
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VCHPRE_ int VCHPOST_ vc_filesys_close_disk_raw(const char *path);
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// Open disk for normal access
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VCHPRE_ int VCHPOST_ vc_filesys_open_disk(const char *path);
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// Close disk for normal access
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VCHPRE_ int VCHPOST_ vc_filesys_close_disk(const char *path);
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// Return number of sectors.
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VCHPRE_ int VCHPOST_ vc_filesys_numsectors(const char *path);
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VCHPRE_ int64_t VCHPOST_ vc_filesys_numsectors64(const char *path);
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// Read/Write sectors
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VCHPRE_ int VCHPOST_ vc_filesys_read_sectors(const char *path, uint32_t sector_num, char *sectors, uint32_t num_sectors, uint32_t *sectors_read);
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VCHPRE_ int VCHPOST_ vc_filesys_write_sectors(const char *path, uint32_t sector_num, char *sectors, uint32_t num_sectors, uint32_t *sectors_written);
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// Begin reading sectors from VideoCore.
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VCHPRE_ int VCHPOST_ vc_filesys_read_sectors_begin(const char *path, uint32_t sector, uint32_t count);
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// Read the next sector.
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VCHPRE_ int VCHPOST_ vc_filesys_read_sector(char *buf);
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// End streaming sectors.
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VCHPRE_ int VCHPOST_ vc_filesys_read_sectors_end(uint32_t *sectors_read);
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// Begin writing sectors from VideoCore.
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VCHPRE_ int VCHPOST_ vc_filesys_write_sectors_begin(const char *path, uint32_t sector, uint32_t count);
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// Write the next sector.
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VCHPRE_ int VCHPOST_ vc_filesys_write_sector(const char *buf);
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// End streaming sectors.
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VCHPRE_ int VCHPOST_ vc_filesys_write_sectors_end(uint32_t *sectors_written);
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#endif //VCFILESYS_H_
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