/*
 * Every error record has a header as follows.
 */

struct errhdr {
	short	e_type;		/* record type */
	short	e_len;		/* bytes in record (with header) */
	time_t	e_time;		/* time of day */
};

/*
 * Error record types
 */

#define E_GOTS	0x08		/* Start for UNIX/TS */
#define E_GORT	0x09		/* Start for UNIX/RT */
#define E_STOP	0x0A		/* Stop */
#define E_TCHG	0x0B		/* Time change */
#define E_CCHG	0x0C		/* Configuration change */
#define E_BLK	0x10		/* Block device error */
#define E_STRAY	0x18		/* Stray interrupt */
#define E_PRTY	0x19		/* Memory parity */

/*
 * Error logging startup record. One of these is
 * sent to the logging daemon when logging is
 * first activated.
 */


struct estart {
	short	e_cpu;		/* cpu type */
	struct utsname e_name;	/* system names */
	short	e_mmr3;		/* contents of mem mgmt reg 3 (11/70 and 11/45) */
	long	e_syssize;	/* system memory size (11/70 only) */
	short	e_bconf;	/* block device configuration */
};

/*
 * Error logging termination record that is sent to the daemon
 * when it stops error logging.
 */

#define eend errhdr

/*
 * A time change record is sent to the daemon whenever
 * the system's time of day is changed.
 */

struct etimchg {
	time_t	e_ntime;	/* new time */
};

/*
 * A configuration change message is sent to
 * the error logging daemon whenever a block device driver
 * is attached or detached (MERT only).
 */

struct econfchg {
	char	e_trudev;	/* "true" major device number */
	char	e_cflag;	/* driver attached or detached */
};

#define E_ATCH	1
#define E_DTCH	0


/*
 * Template for the error record that is logged by block devices.
 */

struct eblock {
	dev_t	e_dev;		/* "true" major + minor dev number */
	physadr	e_regloc;	/* controller address */
	short	e_bacty;	/* other block I/O activity */
	struct iostat e_stats;	/* unit I/O statistics */
	short	e_bflags;	/* read/write, error, etc */
	short	e_cyloff;	/* logical dev start cyl */
	daddr_t	e_bnum;		/* logical block number */
	ushort e_bytes;		/* number of bytes to transfer */
	paddr_t	e_memadd;	/* buffer memory address */
	ushort e_rtry;		/* number of retries */
	short	e_nreg;		/* number of device registers */
};

/*
 * Flags (selected subset of flags in buffer header)
 */

#define E_WRITE	0x00
#define E_READ	0x01
#define E_NOIO	0x02
#define E_PHYS	0x04
#define E_MAP	0x08
#define E_ERROR	0x10

/*
 * Template for the stray interrupt record that is logged
 * every time an unexpected interrupt occurs.
 */

struct estray {
	physadr	e_saddr;	/* stray loc or device addr */
	short	e_sbacty;	/* active block devices */
};

/*
 * Memory parity error record that is logged whenever one
 * of those things occurs (11/70s only).
 */

struct eparity {
	short	e_parreg[4];	/* memory subsystem registers */
};