sg_read_buffer - send a SCSI READ BUFFER command
sg_read_buffer [--help] [--hex] [--id=ID] [--length=LEN] [--mode=MO]
[--offset=OFF] [--raw] [--verbose] [--version] DEVICE
Sends a SCSI READ BUFFER command to the DEVICE, and if there is a
response either decodes it, prints it in hexadecimal or sends it in
binary to stdout. If a response is received for a "descriptor" mode
then, in the absence of --hex and --raw, it is decoded. Response for
non-descriptor modes are output in hexadecimal unless the --raw option
Arguments to long options are mandatory for short options as well.
output the usage message then exit. If used multiple times also
prints the mode names and their acronyms.
output the response in hexadecimal.
this option sets the buffer id field in the cdb. ID is a value
between 0 (default) and 255 inclusive.
where LEN is the length, in bytes, that is placed in the
"allocation length" field in the cdb. The default value is 4
(bytes). The device may respond with less bytes.
this option sets the mode field in the cdb. MO is a value
between 0 (default) and 31 inclusive. Alternatively an
abbreviation can be given. To list the available mode
abbreviations given an invalid one (e.g. ’--mode=xxx’).
this option sets the buffer offset field in the cdb. OFF is a
value between 0 (default) and 2**24-1 . It is a byte offset.
if a response is received then it is sent in binary to stdout.
increase the level of verbosity, (i.e. debug output).
print the version string and then exit.
All numbers given with options are assumed to be decimal.
Alternatively numerical values can be given in hexadecimal preceded by
either "0x" or "0X" (or has a trailing "h" or "H").
The exit status of sg_read_buffer is 0 when it is successful. Otherwise
see the sg3_utils(8) man page.
Written by Luben Tuikov and Douglas Gilbert.
Report bugs to <dgilbert at interlog dot com>.
Copyright © 2006-2007 Luben Tuikov and Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR