̾??

ssc —

`?????? SCSI' ?ɥ饤??

????

pseudo-device ssc

????

ssc ?ɥ饤?Фϡ??????? SCSI ?ǥХ????? 1 ?Ĥ⸡?Ф????ʤ??ä??????˻??Ѥ????? ?????????ݥ????Ȥ???SCSI ?ɥ饤?ФΥ????????????󶡤??ޤ????????ϡ????? SCSI ?ǥХ??????????äƤ??ʤ??????ƥ??ˤȤäƤ??????ʤ??ΤǤ??????????? SCSI ?ǥХ????ϥ֡??Ȼ????Ÿ????ڤ??Ƥ??뤫?⤷???ʤ??????Ǥ???

‘scsi user’ ?????ʤ??? su(4) ?????ǥХ????? ssc ?ˤϻȤ????뤿?ᡢsu ?ǥХ????????ꤷ?Ƥ??ʤ??ƤϤʤ??ޤ?????

?????ͥ???????

ssc ?????ǥХ????ˤϡ??????ѥ??᡼???Ϥ????ޤ?????

IOCTL

ssc ?ɥ饤?Фϡ????? 1 ?ļ?ʬ???Ȥ? SCIOCADDR ?????äƤ??ޤ??????? ioctl ?ϡ? /dev/ssc ?򥪡??ץ󤷤????˻??Ѥ??ʤ??ƤϤʤ??ޤ??󡣤ޤ??????? ioctl ?????????? ¾?? ioctl ????????ȯ?Ԥ??ƤϤ????ޤ???:

#include <sys/scsiio.h>

int

ioctl(int fd, SCIOCADDR, struct scsi_addr *data)

fd ?ϡ? open(2) ???֤????̻Ҥ?ɽ???? data ???׵??˹??碌?????ꤵ?줿 scbus, target, lun ?ե??????ɤ????äƤ??ʤ??ƤϤʤ??ޤ??󡣤??? ioctl ?ϡ????˸ƤФ??? ioctl ?? ?ƶ???Ϳ?????ǥХ?????Ǥ?դ??ѹ????뤿???˻??ѤǤ??ޤ???

????¾?? ioctl ?Ϥ??٤?ľ?? su(4) ?????ǥХ????ɥ饤?Ф??Ϥ????ޤ??????κݡ??ǿ??? SCIOCADDR ioctl ???????????ꤵ?줿 Bus, Target, Lun ?ե??????ɤ????Ѥ??ޤ???

??Ϣ?ե?????

/dev/ssc: ‘?????? SCSI’ ?ɥ饤?Ф򥢥??????????Τ˻Ȥ??????ǥХ????ե??????Ǥ???

????

SCIOCADDR ioctl ??ȯ?Ԥ??????????????̤? ioctl ??ȯ?Ԥ??褦?Ȥ????ȡ? ENXIO ???֤????ޤ????????Ǥʤ??????ϡ??????? ioctl ??ľ?? su(4) ?ɥ饤?Ф????????ޤ???

??Ϣ????

open(2), su(4), scsi(8)

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ssc ?ϡ??ǽ??? FreeBSD 2.0.5 ???о줷?ޤ?????