fc-tourmaline: src/cs/drivers/drv_app/ffs/board/core.h annotate

annotate src/cs/drivers/drv_app/ffs/board/core.h @ 276:4221c724c664

R2D: preparations for adding LCD hardware suspend handling

author	Mychaela Falconia <falcon@freecalypso.org>
date	Tue, 07 Sep 2021 21:05:38 +0000
parents	4e78acac3d88
children

rev	line source
0 4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	1 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	2 * Flash File System (ffs)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	4 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	5 * ffs core functions
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	6 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	7 * $Id: core.h 1.80.1.15.1.36 Thu, 08 Jan 2004 15:05:23 +0100 tsj $
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	8 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	9 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	10
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	11 #if (TARGET == 1)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	12 #include "rv/rv_defined_swe.h"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	13 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	14
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	15 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	16 * Compile option switches
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	17 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	18
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	19 // FFS compiled with extra test functionality
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	20 #define FFS_TEST 1
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	21
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	22 // Default max number of simultaneous open files
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	23 #ifdef RVM_MSFE_SWE
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	24 #define FFS_FD_MAX 20
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	25 #else
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	26 #define FFS_FD_MAX 4
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	27 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	28
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	29 #define FFS_RECLAIM_NEW 1
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	30
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	31 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	32 * Compile constants
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	33 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	34
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	35 // FFS API version (in four-digit BCD format)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	36 #define FFS_API_VERSION ((uint16) 0x0642)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	37
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	38 // FFS_DRV_VERSION is in drv.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	39
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	40 // TMFFS protocol version is in tmffs.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	41
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	42 // Magic for determining (formatted) file system version. First two digits
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	43 // represent major version, bottom two digits represent minor version. An
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	44 // ffs code compiled for one major version X is compatible with any other
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	45 // format version with major = X. Minor version is incremented when adding
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	46 // new features that does not break compatibility.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	47 #define FFS_FORMAT_VERSION (0x0210)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	48 #define BLOCK_MAGIC_LOW ('f'<<8\|'F') // "Ffs#"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	49 #define BLOCK_MAGIC_HIGH ('#'<<8\|'s')
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	50 #define BLOCK_MAGIC ((BLOCK_MAGIC_HIGH << 8)\|(BLOCK_MAGIC_LOW))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	51
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	52 // Absolute maximum number of inodes allowed
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	53 #define FFS_INODES_MAX 2048
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	54
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	55 // Default maximum number of inodes allowed
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	56 #define FFS_INODES_MAX_DEFAULT 1024
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	57
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	58 // Default number of path components (limit due to recursiveness of
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	59 // inodes_reclaim())
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	60 #define FFS_PATH_DEPTH_MAX 6
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	61
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	62 // Maximum number of blocks (flash sectors) in a ffs system. FFS_BLOCKS_MAX
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	63 // must be >= the number of blocks in the largest flash device memory
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	64 // map. It is used to allocate the number of entries in the static bstat
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	65 // array.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	66 #define FFS_BLOCKS_MAX 128
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	67 // Default size of journal file (represented as 256'ths of the blocksize)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	68 #define FFS_JOURNAL_SIZE_IN256THS 16 // one 16'ths of the block size.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	69
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	70 // Without the min size will the maximum of files (fs.blocks_files_max) in
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	71 // one block be 32 files if the blocksize is 8kB!
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	72 #define FFS_JOURNAL_SIZE_MIN 1024
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	73
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	74 #define FFS_JOURNAL_NAME ".journal"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	75
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	76 // Default max size of file name (excluding null terminator)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	77 #define FFS_FILENAME_MAX 20
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	78
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	79 // Maximum distance in age between youngest and oldest blocks
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	80 #define FFS_DAGE_MAX 256
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	81 #define FFS_DAGE_GAIN_MIN (FFS_DAGE_MAX / 4)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	82 #define FFS_DAGE_EARLY_WIDTH 64
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	83
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	84 // Offset on file descriptors
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	85 #define FFS_FD_OFFSET '1'
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	86
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	87 // Macros to set flags and test bits in flash memory words (negative logic)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	88 #define BIT_SET(value, bits) ((value) & (~bits))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	89 #define IS_BIT_SET(value, bits) (~(value) & (bits))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	90
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	91 // Number of free inodes and journal entries to keep for "emergencies"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	92 #define FFS_INODES_MARGIN 4
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	93 #define FFS_JOURNAL_MARGIN 4
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	94
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	95
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	96 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	97 * Macros used in both drv.c and core.c
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	98 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	99
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	100 // Convert a offset_t value to a block index
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	101 #define offset2block(offset) (((uint32) offset) >> dev.binfo[0].size_ld)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	102
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	103 // Convert between offset and address
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	104 #define offset2addr(offset) (dev.base + (offset))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	105
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	106 // Size of a block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	107 #define blocksize(block) (1 << dev.binfo[block].size_ld)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	108
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	109 // Test if flag is set
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	110 #define is_open_option(options, flags) ((options & flags) == flags)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	111
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	112 // Amount of reserved space.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	113 #define RESERVED_LOW 2 * fs.journal_size
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	114 #define RESERVED_NONE 0
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	115
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	116 // We have to saturate because a recently reclaimed inodes block could
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	117 // theoretically possess a high age
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	118 #define saturate_dage(dage) (dage > (2FFS_DAGE_MAX) ? (2FFS_DAGE_MAX) : dage)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	119
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	120 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	121 * External declarations
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	122 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	123
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	124 extern struct fs_s fs;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	125
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	126 extern struct ffs_stats_s stats;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	127
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	128 extern const struct block_info_s *binfo;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	129
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	130
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	131 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	132 * Block Types
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	133 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	134
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	135 // Block age, ie. number of times block has been erased
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	136 typedef uint16 age_t;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	137
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	138 // Maximum age a block can have
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	139 #define BLOCK_AGE_MAX 0xFFFF
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	140
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	141 // ffs block status flags. These are stored in the first 2 bytes of
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	142 // the ffs block in the flash sector.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	143 enum BLOCK_FLAGS {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	144 BF_LOST = 0x80, // block is lost and will soon be erased
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	145 BF_FREE = 0x40, // free (preformatted and with block magic)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	146 BF_DATA = 0x02, // data
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	147 BF_CLEANING = 0x01, // block is being cleaned
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	148 BF_INODES = 0x10, // block contains inodes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	149 BF_COPYING = 0x04 // block is a coming inodes block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	150 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	151 enum BLOCK_STATES {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	152 BF_IS_EMPTY = ~(0),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	153 BF_IS_FREE = ~(BF_FREE),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	154 BF_IS_DATA = ~(BF_FREE \| BF_DATA),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	155 BF_IS_CLEANING = ~(BF_FREE \| BF_DATA \| BF_CLEANING),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	156 BF_IS_COPYING = ~(BF_FREE \| BF_COPYING),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	157 BF_IS_INODES = ~(BF_FREE \| BF_COPYING \| BF_INODES),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	158 BF_IS_INODES_LOST = ~(BF_FREE \| BF_COPYING \| BF_INODES \| BF_LOST)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	159 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	160
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	161 // Header of each FFS block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	162 struct block_header_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	163 uint16 magic_low; // 32-bit magic number
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	164 uint16 magic_high;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	165 uint16 version; // FFS_FORMAT_VERSION used for formatting
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	166 age_t age; // number of times this block has been erased
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	167 uint16 flags; // status flags of this block (BLOCK_FLAGS)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	168 uint16 reserved0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	169 uint16 reserved1;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	170 uint16 reserved2;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	171 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	172
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	173 // Important the below define MUST fit to the size of the header that is written
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	174 #define BHEADER_SIZE sizeof(struct block_header_s)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	175
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	176 #define OLD_BLOCK_MAGIC_LOW ('S'<<8\|'F') // "FS"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	177 #define OLD_FFS_FORMAT_VERSION (0x0100) // 1.00 (in four-digit BCD format)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	178
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	179 // Old header of each FFS block. From old/previous FFS format version
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	180 struct block_header_old_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	181 uint8 flags;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	182 uint8 copied;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	183 uint8 magicflags;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	184 uint8 reserved0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	185 uint16 magic_low;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	186 uint16 magic_high;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	187 uint16 reserved1;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	188 uint16 reserved2;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	189 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	190
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	191 // Block status. This struct holds the status of one ffs block This relation
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	192 // is always valid: <block size> = <used> + <lost> + <free>. The block size
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	193 // is obtained from the corresponding block_info structure. <used> and
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	194 // <lost> variables always holds a value which is a multiple of
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	195 // FFS_GRANULARITY. For inodes, <used> is number of inodes in active use,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	196 // <lost> is number of deleted/lost inodes, <numfiles> is the index of the
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	197 // first free inode.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	198 struct block_stat_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	199 blocksize_t used; // number of used bytes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	200 blocksize_t lost; // number of lost bytes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	201 uint16 flags; // flash block flags (first 16 bits of each block)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	202 uint16 objects; // number of valid objects
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	203 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	204
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	205 extern struct block_stat_s bstat[FFS_BLOCKS_MAX];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	206
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	207
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	208 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	209 * Object Types
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	210 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	211
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	212 // This enum MUST be in sync with the one in ffs.h.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	213 enum OBJECT_TYPE_E {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	214 // remaining filetypes are in ffs.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	215 OT_ERASED = 0,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	216 OT_NULL = 7,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	217 OT_MASK = 7,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	218 OT_MAX = 4
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	219 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	220
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	221 // This enum MUST be in sync with the one in ffs.h.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	222 enum OBJECT_FLAGS_E {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	223 // remaining object flags are in ffs.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	224 OF_UNDEF0 = 1<<5,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	225 OF_UNDEF1 = 1<<6,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	226 OF_EXACT = 1<<7, // used by control()/update_commit() interaction. This
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	227 // is not an object flag!
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	228 OF_ALL = OF_READONLY, // all flags allowed to be changed by user
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	229 OF_MASK = 0xF0
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	230 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	231
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	232 struct inode_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	233 uint16 size;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	234 uint8 reserved; // size extension?
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	235 objflags_t flags;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	236 iref_t child; // link to first inode in dir (this inode is a dir)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	237 iref_t sibling; // link to next inode in same directory
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	238 location_t location; // location of object
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	239 uint16 sequence; //
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	240 uint16 updates; // times this object has been updated
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	241 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	242
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	243 struct file_descriptor_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	244 char *buf; // Write buffer
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	245 iref_t seghead; // First chunk. Contain file name and optional data
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	246 iref_t wch; // Inode of work chunk (if chunk is read to buf)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	247 int fp; // File pointer
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	248 int wfp; // Work file pointer always points to start of wch
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	249 int size; // Size of object (all chunks and data from buf)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	250 int8 options; // Open options
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	251 int dirty; // Indicate if buf contain valid data or not
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	252 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	253
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	254
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	255 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	256 * Journal types and global fs structure
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	257 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	258
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	259 enum JOURNAL_FLAGS {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	260 JOURNAL_WRITING = 0x02, // journal is being written to journal file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	261 JOURNAL_READY = 0x04, // journal has been written to journal file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	262 JOURNAL_DONE = 0x08 // journal has been written to ffs
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	263 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	264
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	265 enum JOURNAL_STATES {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	266 JOURNAL_IS_EMPTY = ~(0),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	267 JOURNAL_IS_WRITING = ~(JOURNAL_WRITING),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	268 JOURNAL_IS_READY = ~(JOURNAL_WRITING \| JOURNAL_READY),
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	269 JOURNAL_IS_DONE = ~(JOURNAL_WRITING \| JOURNAL_READY \| JOURNAL_DONE)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	270 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	271
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	272 // Journal entry structure. Note that the state byte MUST be the first
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	273 // byte of the structure!
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	274 struct journal_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	275 uint8 state; // state of journal entry.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	276 objflags_t flags; // type of object
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	277 iref_t i; // iref of object
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	278 iref_t diri; // iref of object that is this object's parent/sibling
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	279 iref_t oldi; // iref of object being replaced (only for updates)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	280 location_t location; // object's location
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	281 uint16 size; // object's size
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	282 iref_t repli; // inode which is replaced
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	283 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	284
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	285 // Main ffs info struct (initialised by ffs_initialize())
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	286 struct fs_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	287 struct inode_s *inodes_addr; // base address of inodes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	288 iref_t root; // iref of root directory
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	289 bref_t inodes; // index into bstat containing inode block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	290 bref_t newinodes; // index into bstat containing new inode block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	291 bref_t blocks_free_min; // Number of spare blocks (0 or 1)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	292 int filesize_max; // Max size of object data
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	293 int reserved_space; // Byte size of space reserved for journal relocation
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	294 iref_t inodes_max; // Max number of inodes possible
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	295 iref_t inodes_high; // number of inodes triggering an inodes_reclaim()
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	296 iref_t objects_max; // Max number of objects (valid inodes) allowed
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	297 age_t age_max; // Max block age found by blocks_fsck()
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	298 iref_t block_files_max; // max number of files in a block
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	299 iref_t block_files_reserved; // Reserved for journals
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	300 uint16 format; // FFS version as formatted in flash blocks
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	301 uint16 sequence; // Object sequence number (for debug only)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	302 effs_t initerror; // ffs_initialize() return code
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	303 uint8 lost_threshold; // Threshold percentage for data block reclaim
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	304 uint8 flags; // Global FFS options/flags
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	305 uint8 filename_max; // Max length of a filename
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	306 uint8 path_depth_max; // Max path componenents allowed
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	307 uint8 numfds; // Mumber of available file descriptors
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	308 uint8 testflags;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	309 int8 journal_depth; // Current journal nesting depth (0 or 1)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	310 iref_t ijournal; // iref of journal file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	311 uint32 journal_size; // Byte size of journal file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	312 uint32 journal_pos; // Byte offset to first free entry in journal file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	313 struct journal_s journal;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	314 uint8 fd_max; // number of max available file descriptors
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	315 int fd_buf_size; // size of stream buffer
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	316 struct file_descriptor_s fd[FFS_FD_MAX];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	317 struct journal_s ojournal; // "Old" journal
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	318 int link_child; // Link child in journal or not
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	319 iref_t i_backup; // Used by ffs_file_write()
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	320 int chunk_size_max; // Max size of one chunk
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	321 int chunk_size_min; // Min size of one chunk
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	322 uint32 debug[4];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	323 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	324
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	325 // This is the layout of the FFS performance statistics file. The file is
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	326 // created with the name ".statistics" in the root directory at format. It
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	327 // is updated after each data and inodes reclaim (after writing the file
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	328 // that provoked the reclaim). The file is only updated if it exists, so if
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	329 // the user does not want the file, she can erase it after the initial
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	330 // format. FIXME: The use of the .statistics file is not yet implemented
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	331 struct ffs_stats_s {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	332 uint32 data_allocated; // implemented
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	333
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	334 struct { // Not yet implemented
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	335 uint32 created;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	336 uint32 updated;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	337 uint32 read;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	338 } files;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	339 struct { // Not yet implemented
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	340 uint32 written[2];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	341 uint32 read[2];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	342 } bytes;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	343 struct {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	344 uint32 most_lost; // Block candidate
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	345 uint32 most_unused; // Block candidate
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	346 uint32 youngest; // Block candidate
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	347 uint32 valid[2]; // Amount of valid reclaimed data
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	348 uint32 lost[2]; // Amount of lost reclaimed data
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	349 } drec;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	350 struct {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	351 uint32 num; // Number of inode reclaims
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	352 uint32 valid; // Number of valid reclaimed inodes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	353 uint32 lost; // Number of lost reclaimed inodes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	354 } irec;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	355 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	356 extern struct ffs_stats_s stats;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	357
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	358
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	359 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	360 * Miscellaneous types
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	361 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	362
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	363 // only used with (FFS_TEST == 1)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	364 enum TEST_RECOVERY {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	365 JOURNAL_TEST_BASE = 0x10,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	366 JOURNAL_TEST_EMPTY,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	367 JOURNAL_TEST_WRITING,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	368 JOURNAL_TEST_READY,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	369 JOURNAL_TEST_COMMITTING,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	370 JOURNAL_TEST_COMMITTED,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	371 JOURNAL_TEST_DONE,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	372 BLOCK_COMMIT_BASE = 0x20,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	373 BLOCK_COMMIT_BEFORE,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	374 BLOCK_COMMIT_NO_VALID,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	375 BLOCK_COMMIT_OLD_FREE,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	376 BLOCK_COMMIT_AFTER,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	377 BLOCK_RECLAIM_BASE = 0x40,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	378 BLOCK_RECLAIM_ALLOC,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	379 BLOCK_RECLAIM_CLEANING,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	380 BLOCK_RECLAIM_NO_CLEAN,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	381 BLOCK_RECOVER_OBJECTS
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	382 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	383
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	384 enum FLASH_DATA {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	385 FLASH_NULL8 = 0xFF,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	386 FLASH_NULL16 = 0xFFFF,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	387 FLASH_NULL32 = 0xFFFFFFFFL,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	388 IREF_NULL = FLASH_NULL16
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	389 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	390
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	391
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	392 // This enum MUST be in sync with the one in ffs.h.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	393 enum OBJECT_CONTROL {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	394 // remaining object control codes are in ffs.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	395 OC_FS_FLAGS = 80,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	396 OC_TRACE_INIT = 82,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	397 OC_DEV_MANUFACT = 88,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	398 OC_DEV_DEVICE = 89,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	399
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	400 OC_DEBUG_FIRST = 120,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	401 OC_DEBUG_0 = 120,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	402 OC_DEBUG_1 = 121,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	403 OC_DEBUG_2 = 122,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	404 OC_DEBUG_3 = 123,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	405 OC_DEBUG_LAST = 123,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	406
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	407 OC_FS_TESTFLAGS = 127
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	408 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	409
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	410 enum FS_FLAGS {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	411 FS_DIR_DATA = 0x01 // allow directory objects to contain data.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	412 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	413
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	414 enum RECLAIM_CANDIDATE {
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	415 MOST_LOST,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	416 MOST_UNUSED,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	417 YOUNGEST
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	418 };
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	419
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	420 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	421 * Macros
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	422 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	423
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	424 // Convert between location and offset
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	425 #define location2offset(location) ((location) << dev.atomlog2)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	426 #define offset2location(offset) (((uint32) offset) >> dev.atomlog2)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	427
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	428 // test if object is of a specific type
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	429 #define is_object(objp, type) (((objp)->flags & OT_MASK) == (type))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	430
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	431 // test if object is valid (directory, file or symlink)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	432 #define is_object_valid(ip) ((ip->flags & OT_MASK) <= OT_MAX && (ip->flags & OT_MASK) != OT_ERASED)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	433
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	434 // test if block is in a specific state
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	435 #define is_block(block, state) (bstat[block].flags == (uint16) (state))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	436
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	437 // test if block has certain flags set
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	438 #define is_block_flag(block, bits) (IS_BIT_SET(bstat[block].flags, (bits)))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	439
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	440 // convert an object's data address to the address of the object's name
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	441 #define addr2name(addr) (addr)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	442
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	443 // Convert a size to an aligned size
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	444 #define atomalign(size) (((size) + dev.atomsize-1) & ~dev.atomnotmask)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	445 #define wordalign(size) (((size) + 3) & ~3)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	446 #define halfwordalign(size) (((size) + 1) & ~1)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	447
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	448 #define inode_addr(i) (fs.inodes_addr + i)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	449
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	450 #define JOURNAL_POS_INITIAL (wordalign(2 + sizeof(FFS_JOURNAL_NAME) + 1))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	451
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	452
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	453 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	454 * Function prototypes
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	455 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	456
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	457 // Helper functions
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	458
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	459 effs_t is_filename(const char *s);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	460 int ffs_strlen(const char *s);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	461 int ffs_strcmp(const char s, const char p);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	462 char addr2data(const char addr, const struct inode_s *ip);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	463
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	464 int object_datasize(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	465 iref_t is_readonly(iref_t i, const char *name);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	466 iref_t dir_traverse(iref_t i, iref_t *entries);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	467
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	468 bref_t block_alloc(bref_t n, uint16 flags);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	469 bref_t block_alloc_try(bref_t *n);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	470 void block_flags_write(uint8 block, uint8 flags);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	471
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	472 offset_t data_alloc(int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	473 offset_t data_alloc_try(int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	474 offset_t data_reserved_alloc(int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	475
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	476 iref_t inode_alloc(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	477
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	478 effs_t is_fd_valid(fd_t fdi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	479 effs_t is_offset_in_buf(int offset, fd_t fdi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	480
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	481 iref_t chunk_alloc(int realsize, int is_journal, offset_t *offset);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	482
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	483 iref_t inode_alloc_try(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	484 fd_t get_fdi(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	485
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	486 offset_t data_prealloc(int realsize);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	487
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	488 // Functions used by API
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	489
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	490 effs_t object_update(iref_t oldi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	491 iref_t object_create(const char name, const char buf, int size,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	492 iref_t dir);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	493 int file_read(const char name, void addr, int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	494 int stream_read(fd_t fdi, void *src, int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	495 int object_read(const char name, char buf, int size, int linkflag);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	496
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	497 iref_t object_stat(const char name, struct xstat_s stat,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	498 int linkflag, int fdi, int extended);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	499 effs_t object_remove(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	500 iref_t object_rename(iref_t oldi, const char *newname, iref_t newdir);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	501 effs_t object_control(iref_t i, int8 action, int value);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	502 int object_truncate(const char *pathname, fd_t fdi, offset_t length);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	503 iref_t object_lookup(const char path, char leaf, iref_t dir);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	504 iref_t object_lookup_once(const char path, char leaf, iref_t dir);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	505 iref_t dir_open(const char *name);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	506 iref_t dir_next (iref_t dir, iref_t i, char *name, int8 size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	507
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	508
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	509 // Journalling
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	510
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	511 void journal_begin(iref_t oldi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	512 void journal_end(uint8 type);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	513 void journal_commit(uint8 type);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	514 int journal_push(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	515 int journal_pop(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	516 iref_t journal_create(iref_t oldi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	517 effs_t journal_init(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	518
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	519
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	520 // Format, Init and Reclaim
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	521
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	522 void block_preformat(bref_t b, age_t age);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	523 effs_t fs_preformat(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	524 effs_t is_formattable(int8 flag);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	525 effs_t fs_format(const char *fsname_and_options);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	526
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	527 effs_t ffs_initialize(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	528 void fs_params_init(const char *p);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	529 blocksize_t block_used(bref_t b);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	530
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	531 effs_t ffs_begin(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	532 int ffs_end(int error);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	533
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	534 int block_reclaim(bref_t b);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	535 int blocks_reclaim(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	536 void block_commit(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	537
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	538 iref_t data_reclaim(int space);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	539 int data_reclaim_try(int space);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	540 iref_t data_block_reclaim(bref_t b, int reclaim_candidate);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	541 iref_t object_relocate(iref_t oldi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	542 iref_t block_clean(bref_t b);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	543
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	544 void block_free(bref_t block);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	545
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	546 void inodes_set(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	547 effs_t inodes_reclaim(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	548
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	549 int reclaim(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	550
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	551 // Internally used functions
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	552
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	553 effs_t file_read_int(const char path, void src, int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	554 effs_t file_update(const char path, void src, int size);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	555
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	556 int statistics_file_create(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	557 int statistics_write(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	558 void statistics_init(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	559 void statistics_update_drec(int valid, int lost, int candidate);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	560 void statistics_update_irec(int valid, int lost);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	561
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	562 // Chunk Operations
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	563 iref_t segment_create(const char *buf, int size, iref_t dir);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	564 int segment_datasize(const struct inode_s *ip);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	565 int segment_read(iref_t i, char *buf, int size, int offset);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	566 iref_t segment_next(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	567 iref_t segment_traverse(iref_t i, iref_t *entries);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	568 int segfile_seek(iref_t in_i, int in_pos,
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	569 iref_t out_i, int out_pos_i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	570 iref_t chunk_traverse(iref_t i);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	571 effs_t datasync(fd_t fdi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	572 // debug/test functions
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	573
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	574 void tr_bstat(void);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	575 void tr_fd(fd_t fdi);
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	576
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	577 // These prototypes really belong in ffs.h but as they have not been
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	578 // implemented, we will not show these prototypes to application
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	579 // programmers.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite Mychaela Falconia <falcon@freecalypso.org> parents: diff changeset	580 effs_t fcntl(fd_t fd, int8 action, uint32 *param);

FreeCalypso > hg > fc-tourmaline

annotate src/cs/drivers/drv_app/ffs/board/core.h @ 276:4221c724c664