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Annotation of sys/sys/ataio.h, Revision 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_ */