1SCSI_REPORT_OPCODE(9) SCSI mid layer SCSI_REPORT_OPCODE(9)
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6 scsi_report_opcode - Find out if a given command opcode is supported
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9 int scsi_report_opcode(struct scsi_device * sdev,
10 unsigned char * buffer, unsigned int len,
11 unsigned char opcode);
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14 sdev
15 scsi device to query
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17 buffer
18 scratch buffer (must be at least 20 bytes long)
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20 len
21 length of buffer
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23 opcode
24 opcode for command to look up
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27 Uses the REPORT SUPPORTED OPERATION CODES to look up the given opcode.
28 Returns -EINVAL if RSOC fails, 0 if the command opcode is unsupported
29 and 1 if the device claims to support the command.
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32 James Bottomley <James.Bottomley@hansenpartnership.com>
33 Author.
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35 Rob Landley <rob@landley.net>
36 Author.
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39Kernel Hackers Manual 3.10 June 2019 SCSI_REPORT_OPCODE(9)