317 lines
7.4 KiB
C
317 lines
7.4 KiB
C
#ident "$Revision: 1.18 $"
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#include "versions.h"
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#include <sys/param.h>
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#include <sys/uuid.h>
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#include <assert.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <sys/fs/xfs_types.h>
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#include <sys/fs/xfs_inum.h>
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#include <sys/fs/xfs_sb.h>
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#include <sys/fs/xfs_alloc_btree.h>
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#include <sys/fs/xfs_bmap_btree.h>
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#if VERS >= V_62
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#include <sys/fs/xfs_dir_sf.h>
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#if VERS >= V_654
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#include <sys/fs/xfs_dir2_sf.h>
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#endif
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#include <sys/fs/xfs_attr_sf.h>
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#else
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#include <sys/fs/xfs_dir.h>
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#endif
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#include <sys/fs/xfs_dinode.h>
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#if VERS >= V_62
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#include <sys/fs/xfs_da_btree.h>
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#include <sys/fs/xfs_dir_leaf.h>
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#endif
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#include "sim.h"
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#include "bit.h"
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#include "type.h"
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#include "faddr.h"
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#include "fprint.h"
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#include "field.h"
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#include "dir.h"
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#include "io.h"
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#include "data.h"
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#include "mount.h"
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static int dir_leaf_entries_count(void *obj, int startoff);
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static int dir_leaf_hdr_count(void *obj, int startoff);
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static int dir_leaf_name_count(void *obj, int startoff);
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static int dir_leaf_namelist_count(void *obj, int startoff);
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static int dir_leaf_namelist_offset(void *obj, int startoff, int idx);
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static int dir_node_btree_count(void *obj, int startoff);
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static int dir_node_hdr_count(void *obj, int startoff);
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const field_t dir_hfld[] = {
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{ "", FLDT_DIR, OI(0), C1, 0, TYP_NONE },
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{ NULL }
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};
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#define LOFF(f) bitize(offsetof(xfs_dir_leafblock_t, f))
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#if VERS >= V_62
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#define NOFF(f) bitize(offsetof(xfs_da_intnode_t, f))
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#else
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#define NOFF(f) bitize(offsetof(xfs_dir_intnode_t, f))
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#endif
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const field_t dir_flds[] = {
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{ "lhdr", FLDT_DIR_LEAF_HDR, OI(LOFF(hdr)), dir_leaf_hdr_count,
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FLD_COUNT, TYP_NONE },
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{ "nhdr", FLDT_DIR_NODE_HDR, OI(NOFF(hdr)), dir_node_hdr_count,
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FLD_COUNT, TYP_NONE },
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#if VERS >= V_62
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{ "entries", FLDT_DIR_LEAF_ENTRY, OI(LOFF(entries)),
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dir_leaf_entries_count, FLD_ARRAY|FLD_COUNT, TYP_NONE },
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#else
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{ "leaves", FLDT_DIR_LEAF_ENTRY, OI(LOFF(leaves)),
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dir_leaf_entries_count, FLD_ARRAY|FLD_COUNT, TYP_NONE },
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#endif
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{ "btree", FLDT_DIR_NODE_ENTRY, OI(NOFF(btree)),
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dir_node_btree_count, FLD_ARRAY|FLD_COUNT, TYP_NONE },
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{ "namelist", FLDT_DIR_LEAF_NAME, dir_leaf_namelist_offset,
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dir_leaf_namelist_count, FLD_ARRAY|FLD_OFFSET|FLD_COUNT, TYP_NONE },
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{ NULL }
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};
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#if VERS >= V_62
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#define BOFF(f) bitize(offsetof(xfs_da_blkinfo_t, f))
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#else
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#define BOFF(f) bitize(offsetof(xfs_dir_blkinfo_t, f))
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#endif
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const field_t dir_blkinfo_flds[] = {
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{ "forw", FLDT_DIRBLOCK, OI(BOFF(forw)), C1, 0, TYP_INODATA },
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{ "back", FLDT_DIRBLOCK, OI(BOFF(back)), C1, 0, TYP_INODATA },
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{ "magic", FLDT_UINT16X, OI(BOFF(magic)), C1, 0, TYP_NONE },
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#if VERS >= V_65
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{ "pad", FLDT_UINT16X, OI(BOFF(pad)), C1, FLD_SKIPALL, TYP_NONE },
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#endif
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{ NULL }
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};
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#define LEOFF(f) bitize(offsetof(xfs_dir_leaf_entry_t, f))
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const field_t dir_leaf_entry_flds[] = {
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{ "hashval", FLDT_UINT32X, OI(LEOFF(hashval)), C1, 0, TYP_NONE },
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{ "nameidx", FLDT_UINT16D, OI(LEOFF(nameidx)), C1, 0, TYP_NONE },
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{ "namelen", FLDT_UINT8D, OI(LEOFF(namelen)), C1, 0, TYP_NONE },
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{ "pad2", FLDT_UINT8X, OI(LEOFF(pad2)), C1, FLD_SKIPALL, TYP_NONE },
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{ NULL }
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};
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#define LHOFF(f) bitize(offsetof(xfs_dir_leaf_hdr_t, f))
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const field_t dir_leaf_hdr_flds[] = {
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{ "info", FLDT_DIR_BLKINFO, OI(LHOFF(info)), C1, 0, TYP_NONE },
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{ "count", FLDT_UINT16D, OI(LHOFF(count)), C1, 0, TYP_NONE },
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{ "namebytes", FLDT_UINT16D, OI(LHOFF(namebytes)), C1, 0, TYP_NONE },
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{ "firstused", FLDT_UINT16D, OI(LHOFF(firstused)), C1, 0, TYP_NONE },
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{ "holes", FLDT_UINT8D, OI(LHOFF(holes)), C1, 0, TYP_NONE },
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{ "pad1", FLDT_UINT8X, OI(LHOFF(pad1)), C1, FLD_SKIPALL, TYP_NONE },
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{ "freemap", FLDT_DIR_LEAF_MAP, OI(LHOFF(freemap)),
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CI(XFS_DIR_LEAF_MAPSIZE), FLD_ARRAY, TYP_NONE },
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{ NULL }
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};
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#define LMOFF(f) bitize(offsetof(xfs_dir_leaf_map_t, f))
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const field_t dir_leaf_map_flds[] = {
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{ "base", FLDT_UINT16D, OI(LMOFF(base)), C1, 0, TYP_NONE },
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{ "size", FLDT_UINT16D, OI(LMOFF(size)), C1, 0, TYP_NONE },
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{ NULL }
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};
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#define LNOFF(f) bitize(offsetof(xfs_dir_leaf_name_t, f))
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const field_t dir_leaf_name_flds[] = {
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{ "inumber", FLDT_DIR_INO, OI(LNOFF(inumber)), C1, 0, TYP_INODE },
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{ "name", FLDT_CHARNS, OI(LNOFF(name)), dir_leaf_name_count, FLD_COUNT,
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TYP_NONE },
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{ NULL }
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};
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#if VERS >= V_62
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#define EOFF(f) bitize(offsetof(xfs_da_node_entry_t, f))
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#else
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#define EOFF(f) bitize(offsetof(xfs_dir_node_entry_t, f))
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#endif
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const field_t dir_node_entry_flds[] = {
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{ "hashval", FLDT_UINT32X, OI(EOFF(hashval)), C1, 0, TYP_NONE },
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{ "before", FLDT_DIRBLOCK, OI(EOFF(before)), C1, 0, TYP_INODATA },
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{ NULL }
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};
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#if VERS >= V_62
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#define HOFF(f) bitize(offsetof(xfs_da_node_hdr_t, f))
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#else
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#define HOFF(f) bitize(offsetof(xfs_dir_node_hdr_t, f))
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#endif
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const field_t dir_node_hdr_flds[] = {
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{ "info", FLDT_DIR_BLKINFO, OI(HOFF(info)), C1, 0, TYP_NONE },
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{ "count", FLDT_UINT16D, OI(HOFF(count)), C1, 0, TYP_NONE },
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{ "level", FLDT_UINT16D, OI(HOFF(level)), C1, 0, TYP_NONE },
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{ NULL }
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};
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/*ARGSUSED*/
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static int
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dir_leaf_entries_count(
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void *obj,
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int startoff)
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{
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xfs_dir_leafblock_t *block;
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assert(startoff == 0);
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block = obj;
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if (block->hdr.info.magic != XFS_DIR_LEAF_MAGIC)
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return 0;
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return block->hdr.count;
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}
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/*ARGSUSED*/
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static int
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dir_leaf_hdr_count(
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void *obj,
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int startoff)
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{
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xfs_dir_leafblock_t *block;
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assert(startoff == 0);
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block = obj;
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return block->hdr.info.magic == XFS_DIR_LEAF_MAGIC;
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}
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static int
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dir_leaf_name_count(
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void *obj,
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int startoff)
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{
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xfs_dir_leafblock_t *block;
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xfs_dir_leaf_entry_t *e;
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int i;
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int off;
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assert(bitoffs(startoff) == 0);
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off = byteize(startoff);
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block = obj;
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if (block->hdr.info.magic != XFS_DIR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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#if VERS >= V_62
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e = &block->entries[i];
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#else
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e = &block->leaves[i];
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#endif
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if (e->nameidx == off)
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return e->namelen;
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}
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return 0;
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}
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/*ARGSUSED*/
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int
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dir_leaf_name_size(
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void *obj,
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int startoff,
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int idx)
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{
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xfs_dir_leafblock_t *block;
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xfs_dir_leaf_entry_t *e;
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assert(startoff == 0);
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block = obj;
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if (block->hdr.info.magic != XFS_DIR_LEAF_MAGIC)
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return 0;
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#if VERS >= V_62
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e = &block->entries[idx];
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#else
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e = &block->leaves[idx];
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#endif
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return bitize((int)XFS_DIR_LEAF_ENTSIZE_BYENTRY(e));
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}
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/*ARGSUSED*/
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static int
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dir_leaf_namelist_count(
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void *obj,
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int startoff)
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{
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xfs_dir_leafblock_t *block;
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assert(startoff == 0);
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block = obj;
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if (block->hdr.info.magic != XFS_DIR_LEAF_MAGIC)
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return 0;
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return block->hdr.count;
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}
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/*ARGSUSED*/
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static int
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dir_leaf_namelist_offset(
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void *obj,
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int startoff,
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int idx)
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{
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xfs_dir_leafblock_t *block;
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xfs_dir_leaf_entry_t *e;
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assert(startoff == 0);
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block = obj;
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#if VERS >= V_62
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e = &block->entries[idx];
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#else
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e = &block->leaves[idx];
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#endif
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return bitize(e->nameidx);
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}
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/*ARGSUSED*/
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static int
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dir_node_btree_count(
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void *obj,
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int startoff)
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{
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#if VERS >= V_62
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xfs_da_intnode_t *block;
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#else
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xfs_dir_intnode_t *block;
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#endif
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assert(startoff == 0); /* this is a base structure */
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block = obj;
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#if VERS >= V_62
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if (block->hdr.info.magic != XFS_DA_NODE_MAGIC)
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#else
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if (block->hdr.info.magic != XFS_DIR_NODE_MAGIC)
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#endif
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return 0;
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return block->hdr.count;
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}
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/*ARGSUSED*/
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static int
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dir_node_hdr_count(
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void *obj,
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int startoff)
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{
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#if VERS >= V_62
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xfs_da_intnode_t *block;
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#else
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xfs_dir_intnode_t *block;
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#endif
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assert(startoff == 0);
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block = obj;
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#if VERS >= V_62
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return block->hdr.info.magic == XFS_DA_NODE_MAGIC;
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#else
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return block->hdr.info.magic == XFS_DIR_NODE_MAGIC;
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#endif
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}
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/*ARGSUSED*/
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int
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dir_size(
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void *obj,
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int startoff,
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int idx)
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{
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return bitize(mp->m_sb.sb_blocksize);
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}
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