mtio.h

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    1 /* <sys/mtio.h> magnetic tape commands                  Author: Kees J. Bot
    2  */
    3 
    4 #ifndef _SYS__MTIO_H
    5 #define _SYS__MTIO_H
    6 
    7 /* Tape operations: ioctl(fd, MTIOCTOP, &struct mtop) */
    8 
    9 struct mtop {
   10         short   mt_op;          /* Operation (MTWEOF, etc.) */
   11         int     mt_count;       /* Repeat count. */
   12 };
   13 
   14 #define MTWEOF   0      /* Write End-Of-File Marker */
   15 #define MTFSF    1      /* Forward Space File mark */
   16 #define MTBSF    2      /* Backward Space File mark */
   17 #define MTFSR    3      /* Forward Space Record */
   18 #define MTBSR    4      /* Backward Space Record */
   19 #define MTREW    5      /* Rewind tape */
   20 #define MTOFFL   6      /* Rewind and take Offline */
   21 #define MTNOP    7      /* No-Operation, set status only */
   22 #define MTRETEN  8      /* Retension (completely wind and rewind) */
   23 #define MTERASE  9      /* Erase the tape and rewind */
   24 #define MTEOM   10      /* Position at End-Of-Media */
   25 #define MTMODE  11      /* Select tape density */
   26 #define MTBLKZ  12      /* Select tape block size */
   27 
   28 /* Tape status: ioctl(fd, MTIOCGET, &struct mtget) */
   29 
   30 struct mtget {
   31         short   mt_type;        /* Type of tape device. */
   32 
   33         /* Device dependent "registers". */
   34         short   mt_dsreg;       /* Drive status register. */
   35         short   mt_erreg;       /* Error register. */
   36         short   dummy;          /* (alignment) */
   37 
   38         /* Misc info. */
   39         off_t   mt_resid;       /* Residual count. */
   40         off_t   mt_fileno;      /* Current File Number. */
   41         off_t   mt_blkno;       /* Current Block Number within file. */
   42         off_t   mt_blksize;     /* Current block size. */
   43 };
   44 
   45 #endif /* _SYS__MTIO_H */

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FreeBSD/Linux Kernel Cross Reference sys/include/sys/mtio.h

FreeBSD/Linux Kernel Cross Reference
sys/include/sys/mtio.h