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 AT hansenpartnership.com>
           Author.

       Rob Landley <rob AT landley.net>
           Author.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                     SCSI_REPORT_OPCODE(9)