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authorAnirban Chakraborty <anirban.chakraborty@qlogic.com>2009-12-02 10:36:55 -0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-10 08:54:19 -0600
commit3155754a6b7985a80c41d84dd06530ff543f52a8 (patch)
treeba11ce0747dbfad6ecdcb6d42d71ca8675122f63 /drivers/scsi/qla2xxx/qla_def.h
parentc45dd30551c371cb1e7a742136b8b36f6aba63f8 (diff)
[SCSI] qla2xxx: fix for multiqueue in MISX disabled case
Fix to accommodate a hardware bug in multiqueue mode that does not work properly when acknowledgement of MSIX Interrupts is disabled. Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_def.h')
-rw-r--r--drivers/scsi/qla2xxx/qla_def.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 7a81e988fff..384afda7dbe 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2262,6 +2262,7 @@ struct qla_hw_data {
uint32_t port0 :1;
uint32_t running_gold_fw :1;
uint32_t cpu_affinity_enabled :1;
+ uint32_t disable_msix_handshake :1;
} flags;
/* This spinlock is used to protect "io transactions", you must
@@ -2384,6 +2385,7 @@ struct qla_hw_data {
#define IS_QLA81XX(ha) (IS_QLA8001(ha))
#define IS_QLA2XXX_MIDTYPE(ha) (IS_QLA24XX(ha) || IS_QLA84XX(ha) || \
IS_QLA25XX(ha) || IS_QLA81XX(ha))
+#define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha))
#define IS_NOPOLLING_TYPE(ha) ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && \
(ha)->flags.msix_enabled)
#define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha))