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authorRoland Dreier <roland@purestorage.com>2012-10-11 13:41:31 -0700
committerNicholas Bellinger <nab@linux-iscsi.org>2012-10-26 12:29:46 -0700
commitc046aa0f0f47719a38854fc6383216392b130704 (patch)
tree5f1bf556e5258f1fa5a050378ddd6cb63027e3ea /virt
parent29c08cdabd323adf7fcc0d26077383d4daf7b09a (diff)
tcm_qla2xxx: Format VPD page 83h SCSI name string according to SPC
My draft of SPC-4 says the following about the SCSI name string in inquiry VPD page 83h: The SCSI NAME STRING field starts with either: a) the four UTF-8 characters 'eui.' concatenated with 16, 24, or 32 hexadecimal digits (i.e., the UTF-8 characters 0 through 9 and A through F) for an EUI-64 based identifier (see 7.8.6.5). The first hexadecimal digit shall be the most significant four bits of the first byte (i.e., most significant byte) of the EUI-64 based identifier; b) the four UTF-8 characters 'naa.' concatenated with 16 or 32 hexadecimal digits for an NAA identifier (see 7.8.6.6). The first hexadecimal digit shall be the most significant four bits of the first byte (i.e., most significant byte) of the NAA identifier; or c) the four UTF-8 characters 'iqn.' concatenated with an iSCSI Name for an iSCSI-name based identifier (see iSCSI). However, the .tpg_get_wwn method for tcm_qla2xxx formats the WWN so the SCSI name string looks like "52:4a:93:7d:24:5f:b2:12,t,0x0001". This patch corrects the code so that VPD 83h gives a SPC-compliant SCSI name string like "naa.524a937d245fb212,t,0x0001" while leavig other uses alone (so configfs will still work with ':' separated WWNs). Signed-off-by: Roland Dreier <roland@purestorage.com> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: Arun Easi <arun.easi@qlogic.com> Cc: Saurav Kashyap <saurav.kashyap@qlogic.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'virt')
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