/testbed/atapi/ataio.h
http://rtems-atapi.googlecode.com/ · C Header · 55 lines · 36 code · 12 blank · 7 comment · 0 complexity · 115e8faca02881b96da98d5bd746eebd MD5 · raw file
- /* $NetBSD: ataio.h,v 1.8 2007/03/04 06:03:40 christos 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 */
- void * 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 definitions 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)
- /*
- * ATA bus IOCTL
- */
- /* Scan bus for new devices. */
- struct atabusioscan_args {
- int at_dev; /* device to scan, -1 for wildcard */
- };
- #define ATABUSIOSCAN _IOW('A', 50, struct atabusioscan_args)
- #define ATABUSIORESET _IO('A', 51) /* reset ATA bus */
- struct atabusiodetach_args {
- int at_dev; /* device to detach; -1 for wildcard */
- };
- #define ATABUSIODETACH _IOW('A', 52, struct atabusiodetach_args)
- #endif /* _SYS_ATAIO_H_ */