430 lines
11 KiB
C
430 lines
11 KiB
C
#ident "$Revision: 1.15 $"
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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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#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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#include <sys/fs/xfs_dinode.h>
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#include <sys/fs/xfs_da_btree.h>
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#include <sys/fs/xfs_attr_leaf.h>
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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 "attr.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 attr_leaf_entries_count(void *obj, int startoff);
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static int attr_leaf_hdr_count(void *obj, int startoff);
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static int attr_leaf_name_local_count(void *obj, int startoff);
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static int attr_leaf_name_local_name_count(void *obj, int startoff);
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static int attr_leaf_name_local_value_count(void *obj, int startoff);
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static int attr_leaf_name_local_value_offset(void *obj, int startoff,
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int idx);
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static int attr_leaf_name_remote_count(void *obj, int startoff);
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static int attr_leaf_name_remote_name_count(void *obj, int startoff);
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static int attr_leaf_nvlist_count(void *obj, int startoff);
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static int attr_leaf_nvlist_offset(void *obj, int startoff, int idx);
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static int attr_node_btree_count(void *obj, int startoff);
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static int attr_node_hdr_count(void *obj, int startoff);
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const field_t attr_hfld[] = {
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{ "", FLDT_ATTR, 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_attr_leafblock_t, f))
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#define NOFF(f) bitize(offsetof(xfs_da_intnode_t, f))
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const field_t attr_flds[] = {
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{ "hdr", FLDT_ATTR_LEAF_HDR, OI(LOFF(hdr)), attr_leaf_hdr_count,
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FLD_COUNT, TYP_NONE },
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{ "hdr", FLDT_ATTR_NODE_HDR, OI(NOFF(hdr)), attr_node_hdr_count,
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FLD_COUNT, TYP_NONE },
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{ "entries", FLDT_ATTR_LEAF_ENTRY, OI(LOFF(entries)),
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attr_leaf_entries_count, FLD_ARRAY|FLD_COUNT, TYP_NONE },
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{ "btree", FLDT_ATTR_NODE_ENTRY, OI(NOFF(btree)), attr_node_btree_count,
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FLD_ARRAY|FLD_COUNT, TYP_NONE },
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{ "nvlist", FLDT_ATTR_LEAF_NAME, attr_leaf_nvlist_offset,
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attr_leaf_nvlist_count, FLD_ARRAY|FLD_OFFSET|FLD_COUNT, TYP_NONE },
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{ NULL }
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};
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#define BOFF(f) bitize(offsetof(xfs_da_blkinfo_t, f))
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const field_t attr_blkinfo_flds[] = {
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{ "forw", FLDT_ATTRBLOCK, OI(BOFF(forw)), C1, 0, TYP_ATTR },
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{ "back", FLDT_ATTRBLOCK, OI(BOFF(back)), C1, 0, TYP_ATTR },
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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_attr_leaf_entry_t, f))
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const field_t attr_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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{ "flags", FLDT_UINT8X, OI(LEOFF(flags)), C1, FLD_SKIPALL, TYP_NONE },
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{ "incomplete", FLDT_UINT1,
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OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_INCOMPLETE_BIT - 1), C1,
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0, TYP_NONE },
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{ "root", FLDT_UINT1,
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OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_ROOT_BIT - 1), C1, 0,
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TYP_NONE },
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{ "local", FLDT_UINT1,
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OI(LEOFF(flags) + bitsz(__uint8_t) - XFS_ATTR_LOCAL_BIT - 1), C1, 0,
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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_attr_leaf_hdr_t, f))
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const field_t attr_leaf_hdr_flds[] = {
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{ "info", FLDT_ATTR_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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{ "usedbytes", FLDT_UINT16D, OI(LHOFF(usedbytes)), 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_ATTR_LEAF_MAP, OI(LHOFF(freemap)),
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CI(XFS_ATTR_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_attr_leaf_map_t, f))
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const field_t attr_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_attr_leaf_name_local_t, f))
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#define LVOFF(f) bitize(offsetof(xfs_attr_leaf_name_remote_t, f))
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const field_t attr_leaf_name_flds[] = {
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{ "valuelen", FLDT_UINT16D, OI(LNOFF(valuelen)),
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attr_leaf_name_local_count, FLD_COUNT, TYP_NONE },
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{ "namelen", FLDT_UINT8D, OI(LNOFF(namelen)),
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attr_leaf_name_local_count, FLD_COUNT, TYP_NONE },
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{ "name", FLDT_CHARNS, OI(LNOFF(nameval)),
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attr_leaf_name_local_name_count, FLD_COUNT, TYP_NONE },
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{ "value", FLDT_CHARNS, attr_leaf_name_local_value_offset,
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attr_leaf_name_local_value_count, FLD_COUNT|FLD_OFFSET, TYP_NONE },
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{ "valueblk", FLDT_UINT32X, OI(LVOFF(valueblk)),
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attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE },
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{ "valuelen", FLDT_UINT32D, OI(LVOFF(valuelen)),
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attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE },
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{ "namelen", FLDT_UINT8D, OI(LVOFF(namelen)),
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attr_leaf_name_remote_count, FLD_COUNT, TYP_NONE },
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{ "name", FLDT_CHARNS, OI(LVOFF(name)),
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attr_leaf_name_remote_name_count, FLD_COUNT, TYP_NONE },
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{ NULL }
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};
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#define EOFF(f) bitize(offsetof(xfs_da_node_entry_t, f))
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const field_t attr_node_entry_flds[] = {
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{ "hashval", FLDT_UINT32X, OI(EOFF(hashval)), C1, 0, TYP_NONE },
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{ "before", FLDT_ATTRBLOCK, OI(EOFF(before)), C1, 0, TYP_ATTR },
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{ NULL }
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};
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#define HOFF(f) bitize(offsetof(xfs_da_node_hdr_t, f))
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const field_t attr_node_hdr_flds[] = {
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{ "info", FLDT_ATTR_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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attr_leaf_entries_count(
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void *obj,
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int startoff)
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{
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xfs_attr_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_ATTR_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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attr_leaf_hdr_count(
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void *obj,
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int startoff)
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{
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xfs_attr_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_ATTR_LEAF_MAGIC;
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}
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static int
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attr_leaf_name_local_count(
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void *obj,
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int startoff)
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{
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xfs_attr_leafblock_t *block;
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xfs_attr_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_ATTR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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e = &block->entries[i];
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if (e->nameidx == off)
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return (e->flags & XFS_ATTR_LOCAL) != 0;
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}
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return 0;
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}
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static int
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attr_leaf_name_local_name_count(
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void *obj,
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int startoff)
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{
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xfs_attr_leafblock_t *block;
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xfs_attr_leaf_entry_t *e;
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int i;
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xfs_attr_leaf_name_local_t *l;
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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_ATTR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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e = &block->entries[i];
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if (e->nameidx == off) {
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if (e->flags & XFS_ATTR_LOCAL) {
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l = XFS_ATTR_LEAF_NAME_LOCAL(block, i);
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return l->namelen;
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} else
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return 0;
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}
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}
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return 0;
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}
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static int
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attr_leaf_name_local_value_count(
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void *obj,
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int startoff)
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{
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xfs_attr_leafblock_t *block;
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xfs_attr_leaf_entry_t *e;
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int i;
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xfs_attr_leaf_name_local_t *l;
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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_ATTR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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e = &block->entries[i];
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if (e->nameidx == off) {
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if (e->flags & XFS_ATTR_LOCAL) {
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l = XFS_ATTR_LEAF_NAME_LOCAL(block, i);
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return l->valuelen;
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} else
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return 0;
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}
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}
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return 0;
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}
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/*ARGSUSED*/
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static int
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attr_leaf_name_local_value_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_attr_leafblock_t *block;
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xfs_attr_leaf_name_local_t *l;
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char *vp;
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assert(bitoffs(startoff) == 0);
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block = obj;
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if (block->hdr.info.magic != XFS_ATTR_LEAF_MAGIC)
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return 0;
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l = XFS_ATTR_LEAF_NAME_LOCAL(block, idx);
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vp = (char *)&l->nameval[l->namelen];
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return (int)bitize(vp - (char *)l);
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}
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static int
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attr_leaf_name_remote_count(
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void *obj,
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int startoff)
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{
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xfs_attr_leafblock_t *block;
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xfs_attr_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_ATTR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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e = &block->entries[i];
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if (e->nameidx == off)
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return (e->flags & XFS_ATTR_LOCAL) == 0;
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}
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return 0;
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}
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static int
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attr_leaf_name_remote_name_count(
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void *obj,
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int startoff)
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{
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xfs_attr_leafblock_t *block;
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xfs_attr_leaf_entry_t *e;
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int i;
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int off;
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xfs_attr_leaf_name_remote_t *r;
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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_ATTR_LEAF_MAGIC)
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return 0;
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for (i = 0; i < block->hdr.count; i++) {
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e = &block->entries[i];
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if (e->nameidx == off) {
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if (!(e->flags & XFS_ATTR_LOCAL)) {
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r = XFS_ATTR_LEAF_NAME_REMOTE(block, i);
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return r->namelen;
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} else
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return 0;
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}
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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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attr_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_attr_leafblock_t *block;
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xfs_attr_leaf_entry_t *e;
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xfs_attr_leaf_name_local_t *l;
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xfs_attr_leaf_name_remote_t *r;
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assert(startoff == 0);
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block = obj;
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if (block->hdr.info.magic != XFS_ATTR_LEAF_MAGIC)
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return 0;
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e = &block->entries[idx];
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if (e->flags & XFS_ATTR_LOCAL) {
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l = XFS_ATTR_LEAF_NAME_LOCAL(block, idx);
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return (int)bitize(XFS_ATTR_LEAF_ENTSIZE_LOCAL(l->namelen,
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l->valuelen));
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} else {
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r = XFS_ATTR_LEAF_NAME_REMOTE(block, idx);
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return (int)bitize(XFS_ATTR_LEAF_ENTSIZE_REMOTE(r->namelen));
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}
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}
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/*ARGSUSED*/
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static int
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attr_leaf_nvlist_count(
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void *obj,
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int startoff)
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{
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xfs_attr_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_ATTR_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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attr_leaf_nvlist_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_attr_leafblock_t *block;
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xfs_attr_leaf_entry_t *e;
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assert(startoff == 0);
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block = obj;
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e = &block->entries[idx];
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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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attr_node_btree_count(
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void *obj,
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int startoff)
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{
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xfs_da_intnode_t *block;
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assert(startoff == 0); /* this is a base structure */
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block = obj;
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if (block->hdr.info.magic != XFS_DA_NODE_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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attr_node_hdr_count(
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void *obj,
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int startoff)
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{
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xfs_da_intnode_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_DA_NODE_MAGIC;
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}
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/*ARGSUSED*/
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int
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attr_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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