From: Krishna Gudipati <kgudipat@brocade.com>
Date: Tue, 14 Dec 2010 00:23:27 +0000 (-0800)
Subject: [SCSI] bfa: io tag handling and minor bug fix.
X-Git-Tag: v2.6.38-rc1~27^2~30
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=15821f05b78dbeb2f897d1d22576449103a4d8d5;p=pandora-kernel.git

[SCSI] bfa: io tag handling and minor bug fix.

Fix iotag handling:

1) Update and check io tag for retry case.
2) Clearing upper 3 bits in io tag when an IO completes.
   The 3 upper bits in io tags are used for counting FCP exchange retry.
   Un-cleared bits will cause firmware to access invalid memory when the
   same io tag is used for an IO to a target that doesn't support FCP
   exchange retry.
3) Only check the effective bits when validating an iotag.

Other minor fixes:

1) Added trace to get FC header type with assert of unhandled packet received.
   Ignore the type FC_TYPE_FC_FSS (FC_XS).
2) Fixed the adapter info display check - to check for fcmode flag even.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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