scsi_report_opcode(9) centos man page | unix.com

SCSI_REPORT_OPCODE(9)						  SCSI mid layer					     SCSI_REPORT_OPCODE(9)

NAME
       scsi_report_opcode - Find out if a given command opcode is supported

SYNOPSIS
       int scsi_report_opcode(struct scsi_device * sdev, unsigned char * buffer, unsigned int len, unsigned char opcode);

ARGUMENTS
       sdev
	   scsi device to query

       buffer
	   scratch buffer (must be at least 20 bytes long)

       len
	   length of buffer

       opcode
	   opcode for command to look up

DESCRIPTION
       Uses the REPORT SUPPORTED OPERATION CODES to look up the given opcode. Returns -EINVAL if RSOC fails, 0 if the command opcode is
       unsupported and 1 if the device claims to support the command.

AUTHORS
       James Bottomley <James.Bottomley@hansenpartnership.com>
	   Author.

       Rob Landley <rob@landley.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						     SCSI_REPORT_OPCODE(9)