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Version: 2005-03-13 (openSuse - 09/10/07)
Section: 4 (Pilotes et protocoles réseau)
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st - SCSI ¥Æ¡¼¥×¥Ç¥Ð¥¤¥¹½ñ¼°
#include <sys/mtio.h> int ioctl(int fd, int request [, (void *)arg3]); int ioctl(int fd, MTIOCTOP, (struct mtop *)mt_cmd); int ioctl(int fd, MTIOCGET, (struct mtget *)mt_status); int ioctl(int fd, MTIOCPOS, (struct mtpos *)mt_pos);
ÀâÌÀ
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/* Structure for MTIOCTOP - mag tape op command: */ struct mtop { short mt_op; /* operations defined below */ int mt_count; /* how many of them */ };
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- MTBSF
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- MT_ST_NO_BLKLIMS (¥Ç¥Õ¥©¥ë¥È: µ¶)
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- MT_ST_SCSI2LOGICAL (¥Ç¥Õ¥©¥ë¥È: µ¶)
- ¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¡¢ seek ¤ª¤è¤Ó tell Áàºî (ξ¼Ô¤È¤â MTSEEK¡¦MTIOCPOS ¥³¥Þ¥ó¥É¤òȼ¤¤¡¢ ¥Æ¡¼¥×°ÌÃÖ¤òÊѹ¹¤¹¤ë¤È¤) ¤ÎºÝ¤Ë¡¢ SCSI-2 ¤Îɸ½à¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ëÏÀÍý¥Ö¥í¥Ã¥¯¥¢¥É¥ì¥¹¤òÍѤ¤¤ë¤«¤É¤¦¤«¤ò ¥É¥é¥¤¥Ð¤ËÅÁ¤¨¤ë¡£ µ¶¤À¤È¥Ç¥Ð¥¤¥¹¸ÇͤΥ¢¥É¥ì¥¹¤¬ÍѤ¤¤é¤ì¤ë¡£ ¥É¥é¥¤¥Ö¤¬ÏÀÍý¥¢¥É¥ì¥¹¤ò¥µ¥Ý¡¼¥È¤·¤Æ¤¤¤ë¤È¤¤Ï¡¢ ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò¥»¥Ã¥È¤¹¤ë¤³¤È¤ò¶¯¤¯´«¤á¤ë¡£ ¤³¤Î¥â¡¼¥É¤Ç¤Ï¥Õ¥¡¥¤¥ë¥Þ¡¼¥¯¤â¥«¥¦¥ó¥È¤¹¤ë¤«¤é¤Ç¤¢¤ë¡£ ÏÀÍý¥Ö¥í¥Ã¥¯¥¢¥É¥ì¥¹¤·¤«¥µ¥Ý¡¼¥È¤·¤Ê¤¤¥É¥é¥¤¥Ö¤â¤¤¤¯¤Ä¤«Â¸ºß¤·¤Æ¤¤¤ë¡£
- MT_ST_SYSV (¥Ç¥Õ¥©¥ë¥È: µ¶)
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- MT_NO_WAIT (Default: false)
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- Îã
-
struct mtop mt_cmd; mt_cmd.mt_op = MTSETDRVBUFFER; mt_cmd.mt_count = MT_ST_BOOLEANS | MT_ST_BUFFER_WRITES | MT_ST_ASYNC_WRITES; ioctl(fd, MTIOCTOP, &mt_cmd);
-
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MTIOCGET --- ¥¹¥Æ¡¼¥¿¥¹¤Î¼èÆÀ
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/* structure for MTIOCGET - mag tape get status command */ struct mtget { long mt_type; long mt_resid; /* the following registers are device dependent */ long mt_dsreg; long mt_gstat; long mt_erreg; /* The next two fields are not always used */ daddr_t mt_fileno; daddr_t mt_blkno; };
- mt_type
- ¥Ø¥Ã¥À¥Õ¥¡¥¤¥ëÃæ¤Ë¤Ï¿¤¯¤Î mt_type ¤ÎÃͤ¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤¬¡¢¸½¹Ô¤Î¥É¥é¥¤¥Ð¤ÏÈÆÍѤΥ¿¥¤¥×¤Ç¤¢¤ë MT_ISSCSI1 (ÈÆÍÑ SCSI-1 ¥Æ¡¼¥×) ¤ª¤è¤Ó MT_ISSCSI2 (ÈÆÍÑ SCSI-2 ¥Æ¡¼¥×) ¤Î¤ß¤òÊÖ¤¹¡£
- mt_resid
- ¸½ºß¤Î¥Æ¡¼¥×°ÌÃÖÈֹ档
- mt_dsreg
- ¥É¥é¥¤¥Ö¤Î¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤ÈÌ©Å٤θ½ºß¤ÎÀßÄê¤òÊó¹ð¤¹¤ë (²¼°Ì 24 ¥Ó¥Ã¥È¤¬¥Ö¥í¥Ã¥¯¥µ¥¤¥º¡¢¾å°Ì 8 ¥Ó¥Ã¥È¤¬Ì©ÅÙ)¡£ ¤³¤ì¤é¤Î¥Õ¥£¡¼¥ë¥É¤Ï¡¢ MT_ST_BLKSIZE_SHIFT, MT_ST_BLKSIZE_MASK, MT_ST_DENSITY_SHIFT, MT_ST_DENSITY_MASK ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¡£
- mt_gstat
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- mt_erreg
- mt_erreg ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë¥Õ¥£¡¼¥ë¥É¤Ï°ì¤Ä¤À¤±¤Ç¡¢ ²¼°Ì¤Î 16 ¥Ó¥Ã¥È¤¬¥¨¥é¡¼¤ò¥ê¥«¥Ð¡¼¤·¤¿²ó¿ô¤Ç¤¢¤ë (MT_ST_SOFTERR_SHIFT ¤È MT_ST_SOFTERR_MASK ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë)¡£ ¥É¥é¥¤¥Ö¤ÎÊó¹ð¤¹¤ë¥¨¥é¡¼¥ê¥«¥Ð¡¼¿ô¤ÈÌ·½â¤¹¤ë¤³¤È¤¬¤¢¤ë¤Î¤Ç¡¢ ¤³¤Î¿ô¤Ï¤Û¤È¤ó¤É¤Î¾ì¹ç°Ý»ý¤µ¤ì¤Ê¤¤ (¤Û¤È¤ó¤É¤Î¥É¥é¥¤¥Ö¤Ç¤Ï¡¢¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï¥½¥Õ¥È¥¨¥é¡¼¤òÊó¹ð¤·¤Ê¤¤¡£ ¤·¤«¤·¤³¤ì¤Ï SCSI MODE SELECT ¥³¥Þ¥ó¥É¤Ë¤è¤Ã¤ÆÊѹ¹¤Ç¤¤ë)¡£
- mt_fileno
- (¥¼¥í¤«¤é¿ô¤¨¤¿) ¸½ºß¤Î¥Õ¥¡¥¤¥ëÈÖ¹æ¤òÊó¹ð¤¹¤ë¡£ ¥Õ¥¡¥¤¥ëÈֹ椬¤ï¤«¤é¤Ê¤¤»þ (Î㤨¤Ð MTBSS ¤ä MTSEEK ¤Î¸å¤Ê¤É) ¤Ë¤Ï -1 ¤Ë¥»¥Ã¥È¤µ¤ì¤ë¡£
- mt_blkno
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MTIOCPOS --- ¥Æ¡¼¥×°ÌÃ֤μèÆÀ
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/* structure for MTIOCPOS - mag tape get position command */ struct mtpos { long mt_blkno; /* current block number */ };
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