SCSI_IOCTL_PROBE_HOST

The Linux SCSI Generic (sg) HOWTO
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# 8.25. SCSI_IOCTL_PROBE_HOST

SCSI_IOCTL_PROBE_HOST 0x5385. This command should be given a pointer to a 'char' array as its 3rd argument. That array should be at least sizeof(int) long and have the length of the array as an 'int' at the beginning of the array! An ASCII string of no greater than that length containing "information" (or the name) of SCSI host (i.e. adapter) associated with this file descriptor is then placed in the given byte array. N.B. A trailing '\0' may need to be put on the output string if it has been truncated by the input length. Returns 1 if host is present, 0 if it is not and a negative value if there is an error.

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