Initial revision

1 files changed, 88 insertions, 0 deletions

diff --git a/quotaio_v2.h b/quotaio_v2.h
new file mode 100644
index 0000000..2657343
--- /dev/null
+++ b/quotaio_v2.h
@@ -0,0 +1,88 @@
+/*
+ *
+ *	Header file for disk format of new quotafile format
+ *
+ */
+
+#ifndef _QUOTAIO_V2_H
+#define _QUOTAIO_V2_H
+
+#include <sys/types.h>
+#include "quota.h"
+
+#define V2_DQINFOOFF	sizeof(struct v2_disk_dqheader)	/* Offset of info header in file */
+#define V2_DQBLKSIZE_BITS	10
+#define V2_DQBLKSIZE	(1 << V2_DQBLKSIZE_BITS)	/* Size of block with quota structures */
+#define V2_DQTREEOFF	1	/* Offset of tree in file in blocks */
+#define V2_DQTREEDEPTH	4	/* Depth of quota tree */
+#define V2_DQSTRINBLK	((V2_DQBLKSIZE - sizeof(struct v2_disk_dqdbheader)) / sizeof(struct v2_disk_dqblk))	/* Number of entries in one blocks */
+#define V2_GETIDINDEX(id, depth) (((id) >> ((V2_DQTREEDEPTH-(depth)-1)*8)) & 0xff)
+#define V2_GETENTRIES(buf) ((struct v2_disk_dqblk *)(((char *)(buf)) + sizeof(struct v2_disk_dqdbheader)))
+#define INIT_V2_VERSIONS { 0, 0}
+
+struct v2_disk_dqheader {
+	u_int32_t dqh_magic;	/* Magic number identifying file */
+	u_int32_t dqh_version;	/* File version */
+} __attribute__ ((packed));
+
+/* Flags for version specific files */
+#define V2_DQF_MASK  0x0000	/* Mask for all valid ondisk flags */
+
+/* Header with type and version specific information */
+struct v2_disk_dqinfo {
+	u_int32_t dqi_bgrace;	/* Time before block soft limit becomes hard limit */
+	u_int32_t dqi_igrace;	/* Time before inode soft limit becomes hard limit */
+	u_int32_t dqi_flags;	/* Flags for quotafile (DQF_*) */
+	u_int32_t dqi_blocks;	/* Number of blocks in file */
+	u_int32_t dqi_free_blk;	/* Number of first free block in the list */
+	u_int32_t dqi_free_entry;	/* Number of block with at least one free entry */
+} __attribute__ ((packed));
+
+/*
+ *  Structure of header of block with quota structures. It is padded to 16 bytes so
+ *  there will be space for exactly 18 quota-entries in a block
+ */
+struct v2_disk_dqdbheader {
+	u_int32_t dqdh_next_free;	/* Number of next block with free entry */
+	u_int32_t dqdh_prev_free;	/* Number of previous block with free entry */
+	u_int16_t dqdh_entries;	/* Number of valid entries in block */
+	u_int16_t dqdh_pad1;
+	u_int32_t dqdh_pad2;
+} __attribute__ ((packed));
+
+/* Structure of quota for one user on disk */
+struct v2_disk_dqblk {
+	u_int32_t dqb_id;	/* id this quota applies to */
+	u_int32_t dqb_ihardlimit;	/* absolute limit on allocated inodes */
+	u_int32_t dqb_isoftlimit;	/* preferred inode limit */
+	u_int32_t dqb_curinodes;	/* current # allocated inodes */
+	u_int32_t dqb_bhardlimit;	/* absolute limit on disk space (in QUOTABLOCK_SIZE) */
+	u_int32_t dqb_bsoftlimit;	/* preferred limit on disk space (in QUOTABLOCK_SIZE) */
+	u_int64_t dqb_curspace;	/* current space occupied (in bytes) */
+	u_int64_t dqb_btime;	/* time limit for excessive disk use */
+	u_int64_t dqb_itime;	/* time limit for excessive inode use */
+} __attribute__ ((packed));
+
+/* Structure of quota for communication with kernel */
+struct v2_kern_dqblk {
+	unsigned int dqb_ihardlimit;
+	unsigned int dqb_isoftlimit;
+	unsigned int dqb_curinodes;
+	unsigned int dqb_bhardlimit;
+	unsigned int dqb_bsoftlimit;
+	qsize_t dqb_curspace;
+	time_t dqb_btime;
+	time_t dqb_itime;
+};
+
+/* Structure of quotafile info for communication with kernel */
+struct v2_kern_dqinfo {
+	unsigned int dqi_bgrace;
+	unsigned int dqi_igrace;
+	unsigned int dqi_flags;
+	unsigned int dqi_blocks;
+	unsigned int dqi_free_blk;
+	unsigned int dqi_free_entry;
+};
+
+#endif