Annotation of sys/sys/ataio.h, Revision 1.1.1.1
1.1 nbrk 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:
10: typedef 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:
39: typedef 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_ */
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