FreeCalypso > hg > freecalypso-sw
view rvinterf/include/ffs.h @ 1034:405b5469abc4 default tip
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author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 12 Jun 2016 19:06:34 +0000 |
parents | 517e8a428fde |
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/* * A few generic FFS API definitions which apply to both TMFFS1 and TMFFS2 */ enum FFS_OBJECT_TYPE { OT_FILE = 1, OT_DIR = 2, OT_LINK = 3, OT_SEGMENT = 4 }; enum FFS_OBJECT_FLAGS { OF_READONLY = 1<<4 // object cannot be modified }; enum FFS_OPEN { FFS_O_EMPTY = 0x00, // Okay? FFS_O_CREATE = 0x01, FFS_O_APPEND = 0x02, FFS_O_EXCL = 0x04, FFS_O_TRUNC = 0x08, FFS_O_RDONLY = 0x10, FFS_O_WRONLY = 0x20, FFS_O_RDWR = FFS_O_RDONLY | FFS_O_WRONLY }; enum FFS_SEEK { FFS_SEEK_SET = 0, FFS_SEEK_CUR = 1, FFS_SEEK_END = 2 }; enum FFS_QUERY { // data size, description Q_BYTES_FREE = 1, // 4, number of free bytes in FFS Q_BYTES_USED = 2, // 4, number of used bytes in FFS Q_BYTES_LOST = 3, // 4, number of lost bytes in FFS Q_BYTES_MAX = 4, // 4, number of max available bytes in FFS Q_BYTES_FREE_RAW = 5, // 4, number of free raw bytes in FFS (used internal) Q_FD_BUF_SIZE = 10, // 4, size of buffer used by stream functions Q_TM_BUFADDR = 11, // 4, testmode buffer addr Q_TM_BUFSIZE = 12, // 4, testmode ffs buffer size Q_DEV_BASE = 13, // 4, FFS device base address Q_CHUNK_SIZE_MAX = 14, // 4, max size of chunks made by non stream fkt. // FFS versions Q_FFS_API_VERSION = 16, // 2, FFS API Version Q_FFS_DRV_VERSION = 17, // 2, FFS Driver Version Q_FFS_REVISION = 18, // 2, FFS Revision (from PRCS) Q_FFS_FORMAT_READ = 19, // 2, FFS version as read from ffs Q_FFS_LASTERROR = 20, // 2, FFS last error (from init) Q_FFS_FORMAT_WRITE = 21, // 2, FFS version as written to ffs on format Q_FFS_TM_VERSION = 22, // 2, FFS Testmode version // File system queries Q_FILENAME_MAX = 24, // 2, max filename length Q_PATH_DEPTH_MAX = 25, // 2, max path/directory nesting depth Q_FD_MAX = 26, // 2, max numbers of simultaneous open files Q_OBJECTS_FREE = 32, // 2, number of objects that can be created Q_INODES_USED = 33, // 2, number of inodes used Q_INODES_LOST = 34, // 2, number of inodes lost Q_OBJECTS_USED = 33, // 2, DEPRECATED: old name for Q_INODES_USED Q_OBJECTS_LOST = 34, // 2, DEPRECATED: old name for Q_INODES_LOST Q_OBJECTS_MAX = 35, // 2, max number of valid objects allowed Q_INODES_MAX = 36, // 2, physical total max number of inodes Q_INODES_HIGH = 37, // 2, watermark for when inodes will be reclaimed Q_LOST_HIGH = 38, // 2, watermark for when data block will be reclaimed // Device queries Q_DEV_MANUFACTURER = 48, // 2, flash manufacturer ID Q_DEV_DEVICE = 49, // 2, flash device ID Q_DEV_BLOCKS = 50, // 2, number of FFS blocks in device Q_DEV_ATOMSIZE = 51, // 2, atomsize used by FFS for this device Q_DEV_DRIVER = 52, // 2, flash device driver // All queries below here are for debug purpose only, are unsupported // and can change at any time without notice! // Miscellaneous/Internal Q_BLOCKS_FREE_MIN = 64, // 2, Number of spare blocks (0 or 1) Q_BLOCKS_FREE = 70, // 2, number of free blocks // Debug queries Q_FS_FLAGS = 80, Q_FS_INODES = 81, Q_FS_ROOT = 82, Q_OBJECTS_TOTAL = 90, // 2, Accumulated number of valid objects Q_TOTAL_OBJECTS = 90, // 2, DEPRECATED: old name for Q_OBJECTS_TOTAL Q_STATS_FIRST = 100, Q_STATS_DRECLAIMS = 100, Q_STATS_IRECLAIMS = 101, Q_STATS_BRECLAIMS = 102, Q_STATS_DATA_RECLAIMED = 103, Q_STATS_INODES_RECLAIMED = 104, Q_STATS_DATA_ALLOCATED = 105, Q_REQUEST_ID_LAST = 110, Q_DEBUG_FIRST = 120, Q_DEBUG_0 = 120, Q_DEBUG_1 = 121, Q_DEBUG_2 = 122, Q_DEBUG_3 = 123, Q_DEBUG_LAST = 127, // individual lines of the bstat array can be returned by the following // id plus the bstat index of the line wanted. Q_BSTAT = -128 };