Date: Wed, 9 Oct 2013 09:57:31 -0600 From: "Kenneth D. Merry" <ken@freebsd.org> To: Bj?rn Larsson <bjwela@gmail.com> Cc: freebsd-scsi@freebsd.org Subject: Re: camcontrol cmd -c - for listing EVPD 0x83 Message-ID: <20131009155731.GA43480@nargothrond.kdm.org> In-Reply-To: <002701cec4e9$f5078d60$df16a820$@gmail.com> References: <002701cec4e9$f5078d60$df16a820$@gmail.com>
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On Wed, Oct 09, 2013 at 14:20:34 +0200, Bj?rn Larsson wrote: > Dear All, > > > > I am trying to use ?camcontrol cmd ?c? to send a scsi inquiry command that > lists 0x83 (device identification) data instead of the standard output given > by the ?camcontrol inquiry? but I cannot get it to work properly. This could > be due to that I am not understanding the hex format, so hopefully someone > out there can point me in the right direction? The only information I am > looking for is the WWN identifier of the SAS target. > > > > I have tried to create a SCSI CDB command according the information on: > <http://en.wikipedia.org/wiki/SCSI_Inquiry_Command>; > http://en.wikipedia.org/wiki/SCSI_Inquiry_Command and come up with the > following command: > > > > # camcontrol cmd da0 ?c 0x009600830112 ?i 96 ? > > > > 12 is inquiry > > 01 EVPD bit is set > > 83 VPD Page > > 00 MSB length > > 96 LSB length > > 00 reserved The command isn't one hexadecimal number, but rather individual hexadecimal numbers for each byte in the CDB. You also need to specify either "-" to direct the output to stdout, or specify the output format. For example: # camcontrol cmd da16 -v -c "12 1 83 0 ff 0" -i 0xff - |hd 00000000 00 83 00 48 01 03 00 08 50 00 c5 00 10 3f 70 23 |...H....P....?p#| 00000010 61 93 00 08 50 00 c5 00 10 3f 70 21 61 94 00 04 |a...P....?p!a...| 00000020 00 00 00 01 61 a3 00 08 50 00 c5 00 10 3f 70 20 |....a...P....?p | 00000030 03 28 00 18 6e 61 61 2e 35 30 30 30 43 35 30 30 |.(..naa.5000C500| 00000040 31 30 33 46 37 30 32 30 00 00 00 00 00 00 00 00 |103F7020........| 00000050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 000000f0 Or, if you want nicer output, try installing the sg3_utils package. It will fully decode page 0x83: # sg_inq -i da16 VPD INQUIRY: Device Identification page Designation descriptor number 1, descriptor length: 12 designator_type: NAA, code_set: Binary associated with the addressed logical unit NAA 5, IEEE Company_id: 0xc50 Vendor Specific Identifier: 0x103f7023 [0x5000c500103f7023] Designation descriptor number 2, descriptor length: 12 transport: Serial Attached SCSI (SAS) designator_type: NAA, code_set: Binary associated with the target port NAA 5, IEEE Company_id: 0xc50 Vendor Specific Identifier: 0x103f7021 [0x5000c500103f7021] Designation descriptor number 3, descriptor length: 8 transport: Serial Attached SCSI (SAS) designator_type: Relative target port, code_set: Binary associated with the target port Relative target port: 0x1 Designation descriptor number 4, descriptor length: 12 transport: Serial Attached SCSI (SAS) designator_type: NAA, code_set: Binary associated with the target device that contains addressed lu NAA 5, IEEE Company_id: 0xc50 Vendor Specific Identifier: 0x103f7020 [0x5000c500103f7020] Designation descriptor number 5, descriptor length: 28 designator_type: SCSI name string, code_set: UTF-8 associated with the target device that contains addressed lu SCSI name string: naa.5000C500103F7020 Ken -- Kenneth Merry ken@FreeBSD.ORG
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