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/*
* COPYRIGHT (c) 2010 Chris Johns <chrisj@rtems.org>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
/**
* @file
*
* @ingroup rtems-rfs
*
* RTEMS File Systems Trace manages the trace and debugging features of the
* RTEMS RFS file system. The design allows all tracing code and strings to be
* removed from the target code for small footprint systems.
*/
#if !defined (_RTEMS_RFS_TRACE_H_)
#define _RTEMS_RFS_TRACE_H_
#include <stddef.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
/**
* Is tracing enabled ?
*/
#if !defined (RTEMS_RFS_TRACE)
#define RTEMS_RFS_TRACE 1
#endif
/**
* The type of the mask.
*/
typedef uint64_t rtems_rfs_trace_mask;
/**
* List of tracing bits for the various parts of the file system.
*/
#define RTEMS_RFS_TRACE_ALL (0xffffffffffffffffULL)
#define RTEMS_RFS_TRACE_OPEN (1ULL << 0)
#define RTEMS_RFS_TRACE_CLOSE (1ULL << 1)
#define RTEMS_RFS_TRACE_MUTEX (1ULL << 2)
#define RTEMS_RFS_TRACE_BUFFER_OPEN (1ULL << 3)
#define RTEMS_RFS_TRACE_BUFFER_CLOSE (1ULL << 4)
#define RTEMS_RFS_TRACE_BUFFER_SYNC (1ULL << 5)
#define RTEMS_RFS_TRACE_BUFFER_RELEASE (1ULL << 6)
#define RTEMS_RFS_TRACE_BUFFER_CHAINS (1ULL << 7)
#define RTEMS_RFS_TRACE_BUFFER_HANDLE_REQUEST (1ULL << 8)
#define RTEMS_RFS_TRACE_BUFFER_HANDLE_RELEASE (1ULL << 9)
#define RTEMS_RFS_TRACE_BUFFER_SETBLKSIZE (1ULL << 10)
#define RTEMS_RFS_TRACE_BUFFERS_RELEASE (1ULL << 11)
#define RTEMS_RFS_TRACE_BLOCK_FIND (1ULL << 12)
#define RTEMS_RFS_TRACE_BLOCK_MAP_GROW (1ULL << 13)
#define RTEMS_RFS_TRACE_BLOCK_MAP_SHRINK (1ULL << 14)
#define RTEMS_RFS_TRACE_GROUP_OPEN (1ULL << 15)
#define RTEMS_RFS_TRACE_GROUP_CLOSE (1ULL << 16)
#define RTEMS_RFS_TRACE_GROUP_BITMAPS (1ULL << 17)
#define RTEMS_RFS_TRACE_INODE_OPEN (1ULL << 18)
#define RTEMS_RFS_TRACE_INODE_CLOSE (1ULL << 19)
#define RTEMS_RFS_TRACE_INODE_LOAD (1ULL << 20)
#define RTEMS_RFS_TRACE_INODE_UNLOAD (1ULL << 21)
#define RTEMS_RFS_TRACE_INODE_CREATE (1ULL << 22)
#define RTEMS_RFS_TRACE_INODE_DELETE (1ULL << 23)
#define RTEMS_RFS_TRACE_LINK (1ULL << 24)
#define RTEMS_RFS_TRACE_UNLINK (1ULL << 25)
#define RTEMS_RFS_TRACE_DIR_LOOKUP_INO (1ULL << 26)
#define RTEMS_RFS_TRACE_DIR_LOOKUP_INO_CHECK (1ULL << 27)
#define RTEMS_RFS_TRACE_DIR_LOOKUP_INO_FOUND (1ULL << 28)
#define RTEMS_RFS_TRACE_DIR_ADD_ENTRY (1ULL << 29)
#define RTEMS_RFS_TRACE_DIR_DEL_ENTRY (1ULL << 30)
#define RTEMS_RFS_TRACE_DIR_READ (1ULL << 31)
#define RTEMS_RFS_TRACE_DIR_EMPTY (1ULL << 32)
#define RTEMS_RFS_TRACE_SYMLINK (1ULL << 33)
#define RTEMS_RFS_TRACE_SYMLINK_READ (1ULL << 34)
#define RTEMS_RFS_TRACE_FILE_OPEN (1ULL << 35)
#define RTEMS_RFS_TRACE_FILE_CLOSE (1ULL << 36)
#define RTEMS_RFS_TRACE_FILE_IO (1ULL << 37)
#define RTEMS_RFS_TRACE_FILE_SET (1ULL << 38)
/**
* Call to check if this part is bring traced. If RTEMS_RFS_TRACE is defined to
* 0 the code is dead code elminiated when built with -Os, -O2, or higher.
*
* @param mask The part of the API to trace.
* @retval true Tracing is active for the mask.
* @retval false Do not trace.
*/
#if RTEMS_RFS_TRACE
bool rtems_rfs_trace (rtems_rfs_trace_mask mask);
#else
#define rtems_rfs_trace(_m) (0)
#endif
/**
* Set the mask.
*
* @param mask The mask bits to set.
* @return The previous mask.
*/
#if RTEMS_RFS_TRACE
rtems_rfs_trace_mask rtems_rfs_trace_set_mask (rtems_rfs_trace_mask mask);
#else
#define rtems_rfs_trace_set_mask(_m)
#endif
/**
* Clear the mask.
*
* @param mask The mask bits to clear.
* @return The previous mask.
*/
#if RTEMS_RFS_TRACE
rtems_rfs_trace_mask rtems_rfs_trace_clear_mask (rtems_rfs_trace_mask mask);
#else
#define rtems_rfs_trace_clear_mask(_m)
#endif
/**
* Add shell trace shell command.
*/
#if RTEMS_RFS_TRACE
int rtems_rfs_trace_shell_command (int argc, char *argv[]);
#endif
#endif
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