39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* $NetBSD: ataio.h,v 1.2 1998/11/23 22:58:23 kenh Exp $ */
|
|
|
|
#ifndef _SYS_ATAIO_H_
|
|
#define _SYS_ATAIO_H_
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
typedef struct atareq {
|
|
u_long flags; /* info about the request status and type */
|
|
u_char command; /* command code */
|
|
u_char features; /* feature modifier bits for command */
|
|
u_char sec_count; /* sector count */
|
|
u_char sec_num; /* sector number */
|
|
u_char head; /* head number */
|
|
u_short cylinder; /* cylinder/lba address */
|
|
|
|
caddr_t databuf; /* Pointer to I/O data buffer */
|
|
u_long datalen; /* length of data buffer */
|
|
int timeout; /* Command timeout */
|
|
u_char retsts; /* the return status for the command */
|
|
u_char error; /* error bits */
|
|
} atareq_t;
|
|
|
|
/* bit defintions for flags */
|
|
#define ATACMD_READ 0x00000001
|
|
#define ATACMD_WRITE 0x00000002
|
|
#define ATACMD_READREG 0x00000004
|
|
|
|
/* definitions for the return status (retsts) */
|
|
#define ATACMD_OK 0x00
|
|
#define ATACMD_TIMEOUT 0x01
|
|
#define ATACMD_ERROR 0x02
|
|
#define ATACMD_DF 0x03
|
|
|
|
#define ATAIOCCOMMAND _IOWR('Q', 8, atareq_t)
|
|
|
|
#endif /* _SYS_ATAIO_H_ */
|