1/* $OpenBSD: ataio.h,v 1.5 2003/09/26 21:43:32 miod Exp $ */
2/* $NetBSD: ataio.h,v 1.2 1998/11/23 22:58:23 kenh Exp $ */
3
4#ifndef _SYS_ATAIO_H_
5#define _SYS_ATAIO_H_
6
7#include <sys/types.h>
8#include <sys/ioctl.h>
9
10typedef struct atareq {
11 u_long flags; /* info about the request status and type */
12 u_char command; /* command code */
13 u_char features; /* feature modifier bits for command */
14 u_char sec_count; /* sector count */
15 u_char sec_num; /* sector number */
16 u_char head; /* head number */
17 u_short cylinder; /* cylinder/lba address */
18
19 caddr_t databuf; /* pointer to I/O data buffer */
20 u_long datalen; /* length of data buffer */
21 int timeout; /* command timeout */
22 u_char retsts; /* return status for the command */
23 u_char error; /* error bits */
24} atareq_t;
25
26/* bit definitions for flags */
27#define ATACMD_READ 0x00000001
28#define ATACMD_WRITE 0x00000002
29#define ATACMD_READREG 0x00000004
30
31/* definitions for the return status (retsts) */
32#define ATACMD_OK 0x00
33#define ATACMD_TIMEOUT 0x01
34#define ATACMD_ERROR 0x02
35#define ATACMD_DF 0x03
36
37#define ATAIOCCOMMAND _IOWR('Q', 8, atareq_t)
38
39typedef struct atagettrace {
40 unsigned int buf_size; /* length of data buffer */
41 void *buf; /* pointer to data buffer */
42 unsigned int bytes_copied; /* number of bytes copied to buffer */
43 unsigned int bytes_left; /* number of bytes left */
44} atagettrace_t;
45
46#define ATAIOGETTRACE _IOWR('Q', 27, struct atagettrace)
47
48#endif /* _SYS_ATAIO_H_ */