freecalypso-sw: gsm-fw/services/ffs/core.h annotate

annotate gsm-fw/services/ffs/core.h @ 992:a7b0b426f9ca

target-utils: boot ROM UART autodetection revamped The new implementation should work with both the familiar Calypso C035 boot ROM version found in our regular targets as well as the older Calypso F741979B version found on the vintage D-Sample board.

author	Mychaela Falconia <falcon@ivan.Harhan.ORG>
date	Wed, 30 Dec 2015 21:28:41 +0000
parents	847e2585a0f2
children

rev	line source
209 6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	1 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	2 * Flash File System (ffs)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	4 *
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	5 * ffs core functions
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	6 *
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	7 * $Id: core.h 1.80.1.15.1.36 Thu, 08 Jan 2004 15:05:23 +0100 tsj $
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	8 *
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	9 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	10
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	11 #if (TARGET == 1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	12 #include "../../riviera/rv/rv_defined_swe.h"
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	13 #endif
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	14
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	15 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	16 * Compile option switches
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	17 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	18
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	19 // FFS compiled with extra test functionality
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	20 #define FFS_TEST 1
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	21
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	22 // Default max number of simultaneous open files
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	23 #ifdef RVM_MSFE_SWE
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	24 #define FFS_FD_MAX 20
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	25 #else
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	26 #define FFS_FD_MAX 4
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	27 #endif
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	28
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	29 #define FFS_RECLAIM_NEW 1
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	30
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	31 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	32 * Compile constants
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	33 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	34
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	35 // FFS API version (in four-digit BCD format)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	36 #define FFS_API_VERSION ((uint16) 0x0642)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	37
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	38 // FFS_DRV_VERSION is in drv.h
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	39
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	40 // TMFFS protocol version is in tmffs.h
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	41
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	42 // Magic for determining (formatted) file system version. First two digits
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	43 // represent major version, bottom two digits represent minor version. An
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	44 // ffs code compiled for one major version X is compatible with any other
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	45 // format version with major = X. Minor version is incremented when adding
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	46 // new features that does not break compatibility.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	47 #define FFS_FORMAT_VERSION (0x0210)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	48 #define BLOCK_MAGIC_LOW ('f'<<8\|'F') // "Ffs#"
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	49 #define BLOCK_MAGIC_HIGH ('#'<<8\|'s')
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	50 #define BLOCK_MAGIC ((BLOCK_MAGIC_HIGH << 8)\|(BLOCK_MAGIC_LOW))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	51
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	52 // Absolute maximum number of inodes allowed
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	53 #define FFS_INODES_MAX 2048
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	54
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	55 // Default maximum number of inodes allowed
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	56 #define FFS_INODES_MAX_DEFAULT 1024
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	57
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	58 // Default number of path components (limit due to recursiveness of
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	59 // inodes_reclaim())
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	60 #define FFS_PATH_DEPTH_MAX 6
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	61
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	62 // Maximum number of blocks (flash sectors) in a ffs system. FFS_BLOCKS_MAX
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	63 // must be >= the number of blocks in the largest flash device memory
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	64 // map. It is used to allocate the number of entries in the static bstat
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	65 // array.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	66 #define FFS_BLOCKS_MAX 128
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	67 // Default size of journal file (represented as 256'ths of the blocksize)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	68 #define FFS_JOURNAL_SIZE_IN256THS 16 // one 16'ths of the block size.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	69
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	70 // Without the min size will the maximum of files (fs.blocks_files_max) in
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	71 // one block be 32 files if the blocksize is 8kB!
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	72 #define FFS_JOURNAL_SIZE_MIN 1024
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	73
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	74 #define FFS_JOURNAL_NAME ".journal"
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	75
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	76 // Default max size of file name (excluding null terminator)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	77 #define FFS_FILENAME_MAX 20
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	78
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	79 // Maximum distance in age between youngest and oldest blocks
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	80 #define FFS_DAGE_MAX 256
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	81 #define FFS_DAGE_GAIN_MIN (FFS_DAGE_MAX / 4)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	82 #define FFS_DAGE_EARLY_WIDTH 64
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	83
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	84 // Offset on file descriptors
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	85 #define FFS_FD_OFFSET '1'
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	86
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	87 // Macros to set flags and test bits in flash memory words (negative logic)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	88 #define BIT_SET(value, bits) ((value) & (~bits))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	89 #define IS_BIT_SET(value, bits) (~(value) & (bits))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	90
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	91 // Number of free inodes and journal entries to keep for "emergencies"
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	92 #define FFS_INODES_MARGIN 4
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	93 #define FFS_JOURNAL_MARGIN 4
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	94
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	95
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	96 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	97 * Macros used in both drv.c and core.c
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	98 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	99
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	100 // Convert a offset_t value to a block index
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	101 #define offset2block(offset) (((uint32) offset) >> dev.binfo[0].size_ld)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	102
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	103 // Convert between offset and address
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	104 #define offset2addr(offset) (dev.base + (offset))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	105
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	106 // Size of a block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	107 #define blocksize(block) (1 << dev.binfo[block].size_ld)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	108
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	109 // Test if flag is set
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	110 #define is_open_option(options, flags) ((options & flags) == flags)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	111
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	112 // Amount of reserved space.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	113 #define RESERVED_LOW 2 * fs.journal_size
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	114 #define RESERVED_NONE 0
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	115
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	116 // We have to saturate because a recently reclaimed inodes block could
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	117 // theoretically possess a high age
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	118 #define saturate_dage(dage) (dage > (2FFS_DAGE_MAX) ? (2FFS_DAGE_MAX) : dage)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	119
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	120
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	121 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	122 * Block Types
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	123 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	124
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	125 // Block age, ie. number of times block has been erased
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	126 typedef uint16 age_t;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	127
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	128 // Maximum age a block can have
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	129 #define BLOCK_AGE_MAX 0xFFFF
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	130
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	131 // ffs block status flags. These are stored in the first 2 bytes of
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	132 // the ffs block in the flash sector.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	133 enum BLOCK_FLAGS {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	134 BF_LOST = 0x80, // block is lost and will soon be erased
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	135 BF_FREE = 0x40, // free (preformatted and with block magic)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	136 BF_DATA = 0x02, // data
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	137 BF_CLEANING = 0x01, // block is being cleaned
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	138 BF_INODES = 0x10, // block contains inodes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	139 BF_COPYING = 0x04 // block is a coming inodes block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	140 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	141 enum BLOCK_STATES {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	142 BF_IS_EMPTY = ~(0),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	143 BF_IS_FREE = ~(BF_FREE),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	144 BF_IS_DATA = ~(BF_FREE \| BF_DATA),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	145 BF_IS_CLEANING = ~(BF_FREE \| BF_DATA \| BF_CLEANING),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	146 BF_IS_COPYING = ~(BF_FREE \| BF_COPYING),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	147 BF_IS_INODES = ~(BF_FREE \| BF_COPYING \| BF_INODES),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	148 BF_IS_INODES_LOST = ~(BF_FREE \| BF_COPYING \| BF_INODES \| BF_LOST)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	149 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	150
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	151 // Header of each FFS block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	152 struct block_header_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	153 uint16 magic_low; // 32-bit magic number
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	154 uint16 magic_high;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	155 uint16 version; // FFS_FORMAT_VERSION used for formatting
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	156 age_t age; // number of times this block has been erased
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	157 uint16 flags; // status flags of this block (BLOCK_FLAGS)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	158 uint16 reserved0;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	159 uint16 reserved1;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	160 uint16 reserved2;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	161 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	162
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	163 // Important the below define MUST fit to the size of the header that is written
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	164 #define BHEADER_SIZE sizeof(struct block_header_s)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	165
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	166 #define OLD_BLOCK_MAGIC_LOW ('S'<<8\|'F') // "FS"
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	167 #define OLD_FFS_FORMAT_VERSION (0x0100) // 1.00 (in four-digit BCD format)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	168
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	169 // Old header of each FFS block. From old/previous FFS format version
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	170 struct block_header_old_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	171 uint8 flags;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	172 uint8 copied;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	173 uint8 magicflags;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	174 uint8 reserved0;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	175 uint16 magic_low;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	176 uint16 magic_high;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	177 uint16 reserved1;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	178 uint16 reserved2;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	179 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	180
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	181 // Block status. This struct holds the status of one ffs block This relation
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	182 // is always valid: <block size> = <used> + <lost> + <free>. The block size
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	183 // is obtained from the corresponding block_info structure. <used> and
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	184 // <lost> variables always holds a value which is a multiple of
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	185 // FFS_GRANULARITY. For inodes, <used> is number of inodes in active use,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	186 // <lost> is number of deleted/lost inodes, <numfiles> is the index of the
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	187 // first free inode.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	188 struct block_stat_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	189 blocksize_t used; // number of used bytes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	190 blocksize_t lost; // number of lost bytes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	191 uint16 flags; // flash block flags (first 16 bits of each block)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	192 uint16 objects; // number of valid objects
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	193 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	194
211 847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	195 /******************************************************************************
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	196 * External declarations
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	197 ******************************************************************************/
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	198
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	199 extern struct fs_s fs;
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	200 extern struct block_stat_s bstat[FFS_BLOCKS_MAX];
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	201
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	202 extern struct ffs_stats_s stats;
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	203
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	204 extern const struct block_info_s *binfo;
847e2585a0f2 gsm-fw/services/ffs: core.c integrated Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: 209 diff changeset	205
209 6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	206
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	207 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	208 * Object Types
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	209 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	210
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	211 // This enum MUST be in sync with the one in ffs.h.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	212 enum OBJECT_TYPE_E {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	213 // remaining filetypes are in ffs.h
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	214 OT_ERASED = 0,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	215 OT_NULL = 7,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	216 OT_MASK = 7,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	217 OT_MAX = 4
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	218 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	219
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	220 // This enum MUST be in sync with the one in ffs.h.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	221 enum OBJECT_FLAGS_E {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	222 // remaining object flags are in ffs.h
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	223 OF_UNDEF0 = 1<<5,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	224 OF_UNDEF1 = 1<<6,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	225 OF_EXACT = 1<<7, // used by control()/update_commit() interaction. This
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	226 // is not an object flag!
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	227 OF_ALL = OF_READONLY, // all flags allowed to be changed by user
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	228 OF_MASK = 0xF0
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	229 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	230
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	231 struct inode_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	232 uint16 size;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	233 uint8 reserved; // size extension?
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	234 objflags_t flags;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	235 iref_t child; // link to first inode in dir (this inode is a dir)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	236 iref_t sibling; // link to next inode in same directory
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	237 location_t location; // location of object
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	238 uint16 sequence; //
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	239 uint16 updates; // times this object has been updated
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	240 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	241
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	242 struct file_descriptor_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	243 char *buf; // Write buffer
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	244 iref_t seghead; // First chunk. Contain file name and optional data
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	245 iref_t wch; // Inode of work chunk (if chunk is read to buf)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	246 int fp; // File pointer
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	247 int wfp; // Work file pointer always points to start of wch
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	248 int size; // Size of object (all chunks and data from buf)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	249 int8 options; // Open options
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	250 int dirty; // Indicate if buf contain valid data or not
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	251 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	252
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	253
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	254 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	255 * Journal types and global fs structure
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	256 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	257
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	258 enum JOURNAL_FLAGS {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	259 JOURNAL_WRITING = 0x02, // journal is being written to journal file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	260 JOURNAL_READY = 0x04, // journal has been written to journal file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	261 JOURNAL_DONE = 0x08 // journal has been written to ffs
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	262 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	263
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	264 enum JOURNAL_STATES {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	265 JOURNAL_IS_EMPTY = ~(0),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	266 JOURNAL_IS_WRITING = ~(JOURNAL_WRITING),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	267 JOURNAL_IS_READY = ~(JOURNAL_WRITING \| JOURNAL_READY),
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	268 JOURNAL_IS_DONE = ~(JOURNAL_WRITING \| JOURNAL_READY \| JOURNAL_DONE)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	269 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	270
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	271 // Journal entry structure. Note that the state byte MUST be the first
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	272 // byte of the structure!
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	273 struct journal_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	274 uint8 state; // state of journal entry.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	275 objflags_t flags; // type of object
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	276 iref_t i; // iref of object
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	277 iref_t diri; // iref of object that is this object's parent/sibling
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	278 iref_t oldi; // iref of object being replaced (only for updates)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	279 location_t location; // object's location
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	280 uint16 size; // object's size
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	281 iref_t repli; // inode which is replaced
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	282 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	283
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	284 // Main ffs info struct (initialised by ffs_initialize())
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	285 struct fs_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	286 struct inode_s *inodes_addr; // base address of inodes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	287 iref_t root; // iref of root directory
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	288 bref_t inodes; // index into bstat containing inode block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	289 bref_t newinodes; // index into bstat containing new inode block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	290 bref_t blocks_free_min; // Number of spare blocks (0 or 1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	291 int filesize_max; // Max size of object data
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	292 int reserved_space; // Byte size of space reserved for journal relocation
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	293 iref_t inodes_max; // Max number of inodes possible
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	294 iref_t inodes_high; // number of inodes triggering an inodes_reclaim()
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	295 iref_t objects_max; // Max number of objects (valid inodes) allowed
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	296 age_t age_max; // Max block age found by blocks_fsck()
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	297 iref_t block_files_max; // max number of files in a block
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	298 iref_t block_files_reserved; // Reserved for journals
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	299 uint16 format; // FFS version as formatted in flash blocks
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	300 uint16 sequence; // Object sequence number (for debug only)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	301 effs_t initerror; // ffs_initialize() return code
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	302 uint8 lost_threshold; // Threshold percentage for data block reclaim
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	303 uint8 flags; // Global FFS options/flags
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	304 uint8 filename_max; // Max length of a filename
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	305 uint8 path_depth_max; // Max path componenents allowed
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	306 uint8 numfds; // Mumber of available file descriptors
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	307 uint8 testflags;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	308 int8 journal_depth; // Current journal nesting depth (0 or 1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	309 iref_t ijournal; // iref of journal file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	310 uint32 journal_size; // Byte size of journal file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	311 uint32 journal_pos; // Byte offset to first free entry in journal file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	312 struct journal_s journal;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	313 uint8 fd_max; // number of max available file descriptors
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	314 int fd_buf_size; // size of stream buffer
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	315 struct file_descriptor_s fd[FFS_FD_MAX];
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	316 struct journal_s ojournal; // "Old" journal
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	317 int link_child; // Link child in journal or not
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	318 iref_t i_backup; // Used by ffs_file_write()
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	319 int chunk_size_max; // Max size of one chunk
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	320 int chunk_size_min; // Min size of one chunk
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	321 uint32 debug[4];
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	322 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	323
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	324 // This is the layout of the FFS performance statistics file. The file is
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	325 // created with the name ".statistics" in the root directory at format. It
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	326 // is updated after each data and inodes reclaim (after writing the file
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	327 // that provoked the reclaim). The file is only updated if it exists, so if
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	328 // the user does not want the file, she can erase it after the initial
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	329 // format. FIXME: The use of the .statistics file is not yet implemented
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	330 struct ffs_stats_s {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	331 uint32 data_allocated; // implemented
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	332
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	333 struct { // Not yet implemented
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	334 uint32 created;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	335 uint32 updated;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	336 uint32 read;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	337 } files;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	338 struct { // Not yet implemented
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	339 uint32 written[2];
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	340 uint32 read[2];
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	341 } bytes;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	342 struct {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	343 uint32 most_lost; // Block candidate
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	344 uint32 most_unused; // Block candidate
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	345 uint32 youngest; // Block candidate
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	346 uint32 valid[2]; // Amount of valid reclaimed data
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	347 uint32 lost[2]; // Amount of lost reclaimed data
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	348 } drec;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	349 struct {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	350 uint32 num; // Number of inode reclaims
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	351 uint32 valid; // Number of valid reclaimed inodes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	352 uint32 lost; // Number of lost reclaimed inodes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	353 } irec;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	354 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	355 extern struct ffs_stats_s stats;
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	356
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	357
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	358 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	359 * Miscellaneous types
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	360 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	361
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	362 // only used with (FFS_TEST == 1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	363 enum TEST_RECOVERY {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	364 JOURNAL_TEST_BASE = 0x10,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	365 JOURNAL_TEST_EMPTY,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	366 JOURNAL_TEST_WRITING,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	367 JOURNAL_TEST_READY,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	368 JOURNAL_TEST_COMMITTING,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	369 JOURNAL_TEST_COMMITTED,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	370 JOURNAL_TEST_DONE,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	371 BLOCK_COMMIT_BASE = 0x20,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	372 BLOCK_COMMIT_BEFORE,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	373 BLOCK_COMMIT_NO_VALID,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	374 BLOCK_COMMIT_OLD_FREE,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	375 BLOCK_COMMIT_AFTER,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	376 BLOCK_RECLAIM_BASE = 0x40,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	377 BLOCK_RECLAIM_ALLOC,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	378 BLOCK_RECLAIM_CLEANING,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	379 BLOCK_RECLAIM_NO_CLEAN,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	380 BLOCK_RECOVER_OBJECTS
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	381 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	382
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	383 enum FLASH_DATA {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	384 FLASH_NULL8 = 0xFF,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	385 FLASH_NULL16 = 0xFFFF,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	386 FLASH_NULL32 = 0xFFFFFFFFL,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	387 IREF_NULL = FLASH_NULL16
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	388 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	389
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	390
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	391 // This enum MUST be in sync with the one in ffs.h.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	392 enum OBJECT_CONTROL {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	393 // remaining object control codes are in ffs.h
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	394 OC_FS_FLAGS = 80,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	395 OC_TRACE_INIT = 82,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	396 OC_DEV_MANUFACT = 88,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	397 OC_DEV_DEVICE = 89,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	398
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	399 OC_DEBUG_FIRST = 120,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	400 OC_DEBUG_0 = 120,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	401 OC_DEBUG_1 = 121,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	402 OC_DEBUG_2 = 122,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	403 OC_DEBUG_3 = 123,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	404 OC_DEBUG_LAST = 123,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	405
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	406 OC_FS_TESTFLAGS = 127
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	407 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	408
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	409 enum FS_FLAGS {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	410 FS_DIR_DATA = 0x01 // allow directory objects to contain data.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	411 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	412
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	413 enum RECLAIM_CANDIDATE {
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	414 MOST_LOST,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	415 MOST_UNUSED,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	416 YOUNGEST
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	417 };
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	418
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	419 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	420 * Macros
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	421 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	422
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	423 // Convert between location and offset
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	424 #define location2offset(location) ((location) << dev.atomlog2)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	425 #define offset2location(offset) (((uint32) offset) >> dev.atomlog2)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	426
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	427 // test if object is of a specific type
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	428 #define is_object(objp, type) (((objp)->flags & OT_MASK) == (type))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	429
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	430 // test if object is valid (directory, file or symlink)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	431 #define is_object_valid(ip) ((ip->flags & OT_MASK) <= OT_MAX && (ip->flags & OT_MASK) != OT_ERASED)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	432
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	433 // test if block is in a specific state
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	434 #define is_block(block, state) (bstat[block].flags == (uint16) (state))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	435
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	436 // test if block has certain flags set
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	437 #define is_block_flag(block, bits) (IS_BIT_SET(bstat[block].flags, (bits)))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	438
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	439 // convert an object's data address to the address of the object's name
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	440 #define addr2name(addr) (addr)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	441
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	442 // Convert a size to an aligned size
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	443 #define atomalign(size) (((size) + dev.atomsize-1) & ~dev.atomnotmask)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	444 #define wordalign(size) (((size) + 3) & ~3)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	445 #define halfwordalign(size) (((size) + 1) & ~1)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	446
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	447 #define inode_addr(i) (fs.inodes_addr + i)
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	448
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	449 #define JOURNAL_POS_INITIAL (wordalign(2 + sizeof(FFS_JOURNAL_NAME) + 1))
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	450
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	451
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	452 /******************************************************************************
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	453 * Function prototypes
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	454 ******************************************************************************/
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	455
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	456 // Helper functions
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	457
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	458 effs_t is_filename(const char *s);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	459 int ffs_strlen(const char *s);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	460 int ffs_strcmp(const char s, const char p);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	461 char addr2data(const char addr, const struct inode_s *ip);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	462
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	463 int object_datasize(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	464 iref_t is_readonly(iref_t i, const char *name);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	465 iref_t dir_traverse(iref_t i, iref_t *entries);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	466
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	467 bref_t block_alloc(bref_t n, uint16 flags);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	468 bref_t block_alloc_try(bref_t *n);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	469 void block_flags_write(uint8 block, uint8 flags);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	470
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	471 offset_t data_alloc(int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	472 offset_t data_alloc_try(int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	473 offset_t data_reserved_alloc(int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	474
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	475 iref_t inode_alloc(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	476
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	477 effs_t is_fd_valid(fd_t fdi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	478 effs_t is_offset_in_buf(int offset, fd_t fdi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	479
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	480 iref_t chunk_alloc(int realsize, int is_journal, offset_t *offset);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	481
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	482 iref_t inode_alloc_try(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	483 fd_t get_fdi(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	484
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	485 offset_t data_prealloc(int realsize);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	486
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	487 // Functions used by API
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	488
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	489 effs_t object_update(iref_t oldi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	490 iref_t object_create(const char name, const char buf, int size,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	491 iref_t dir);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	492 int file_read(const char name, void addr, int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	493 int stream_read(fd_t fdi, void *src, int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	494 int object_read(const char name, char buf, int size, int linkflag);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	495
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	496 iref_t object_stat(const char name, struct xstat_s stat,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	497 int linkflag, int fdi, int extended);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	498 effs_t object_remove(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	499 iref_t object_rename(iref_t oldi, const char *newname, iref_t newdir);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	500 effs_t object_control(iref_t i, int8 action, int value);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	501 int object_truncate(const char *pathname, fd_t fdi, offset_t length);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	502 iref_t object_lookup(const char path, char leaf, iref_t dir);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	503 iref_t object_lookup_once(const char path, char leaf, iref_t dir);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	504 iref_t dir_open(const char *name);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	505 iref_t dir_next (iref_t dir, iref_t i, char *name, int8 size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	506
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	507
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	508 // Journalling
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	509
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	510 void journal_begin(iref_t oldi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	511 void journal_end(uint8 type);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	512 void journal_commit(uint8 type);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	513 int journal_push(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	514 int journal_pop(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	515 iref_t journal_create(iref_t oldi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	516 effs_t journal_init(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	517
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	518
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	519 // Format, Init and Reclaim
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	520
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	521 void block_preformat(bref_t b, age_t age);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	522 effs_t fs_preformat(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	523 effs_t is_formattable(int8 flag);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	524 effs_t fs_format(const char *fsname_and_options);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	525
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	526 effs_t ffs_initialize(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	527 void fs_params_init(const char *p);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	528 blocksize_t block_used(bref_t b);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	529
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	530 effs_t ffs_begin(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	531 int ffs_end(int error);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	532
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	533 int block_reclaim(bref_t b);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	534 int blocks_reclaim(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	535 void block_commit(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	536
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	537 iref_t data_reclaim(int space);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	538 int data_reclaim_try(int space);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	539 iref_t data_block_reclaim(bref_t b, int reclaim_candidate);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	540 iref_t object_relocate(iref_t oldi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	541 iref_t block_clean(bref_t b);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	542
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	543 void block_free(bref_t block);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	544
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	545 void inodes_set(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	546 effs_t inodes_reclaim(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	547
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	548 int reclaim(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	549
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	550 // Internally used functions
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	551
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	552 effs_t file_read_int(const char path, void src, int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	553 effs_t file_update(const char path, void src, int size);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	554
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	555 int statistics_file_create(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	556 int statistics_write(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	557 void statistics_init(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	558 void statistics_update_drec(int valid, int lost, int candidate);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	559 void statistics_update_irec(int valid, int lost);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	560
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	561 // Chunk Operations
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	562 iref_t segment_create(const char *buf, int size, iref_t dir);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	563 int segment_datasize(const struct inode_s *ip);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	564 int segment_read(iref_t i, char *buf, int size, int offset);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	565 iref_t segment_next(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	566 iref_t segment_traverse(iref_t i, iref_t *entries);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	567 int segfile_seek(iref_t in_i, int in_pos,
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	568 iref_t out_i, int out_pos_i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	569 iref_t chunk_traverse(iref_t i);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	570 effs_t datasync(fd_t fdi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	571 // debug/test functions
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	572
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	573 void tr_bstat(void);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	574 void tr_fd(fd_t fdi);
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	575
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	576 // These prototypes really belong in ffs.h but as they have not been
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	577 // implemented, we will not show these prototypes to application
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	578 // programmers.
6f4a12b4582f gsm-fw FFS: starting to integrate C code Michael Spacefalcon <msokolov@ivan.Harhan.ORG> parents: diff changeset	579 effs_t fcntl(fd_t fd, int8 action, uint32 *param);

FreeCalypso > hg > freecalypso-sw

annotate gsm-fw/services/ffs/core.h @ 992:a7b0b426f9ca