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authorStephen M. Cameron <scameron@beardog.cce.hp.com>2011-02-15 15:33:03 -0600
committerJames Bottomley <James.Bottomley@suse.de>2011-02-18 12:33:52 -0600
commit960a30e7a73affcc441b9ceaff3b1b9e73e99c1f (patch)
tree8c584d8d7bd0e9c38be58f6e34dec094d105094b /drivers/scsi/hpsa_cmd.h
parent745a7a25bc0f6dc77db72656b7bc8d17b6ee8e53 (diff)
downloadlinux-960a30e7a73affcc441b9ceaff3b1b9e73e99c1f.tar.bz2
[SCSI] hpsa: Inform controller we are using 32-bit tags.
Controller will transfer only 32-bits on completion if it knows we are only using 32-bit tags. Also, some newer controllers apparently (and erroneously) require that we only use 32-bit tags, and that we inform the controller of this. Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/hpsa_cmd.h')
-rw-r--r--drivers/scsi/hpsa_cmd.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 785abdd0333c..18464900e761 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -104,6 +104,7 @@
#define CFGTBL_Trans_Simple 0x00000002l
#define CFGTBL_Trans_Performant 0x00000004l
+#define CFGTBL_Trans_use_short_tags 0x20000000l
#define CFGTBL_BusType_Ultra2 0x00000001l
#define CFGTBL_BusType_Ultra3 0x00000002l