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_ */ 49