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authorRalph Campbell <ralph.campbell@qlogic.com>2008-01-06 21:02:33 -0800
committerRoland Dreier <rolandd@cisco.com>2008-01-25 14:15:38 -0800
commit6c719cae0b91f577738dfb4007baee28f03e48a5 (patch)
treefef7fb60092c5ed84fe14f7aaafdf55a0551016a /drivers/infiniband/hw/ipath/ipath_kernel.h
parent7aa54bd730df1468c90ae84b56ade7f322b44de7 (diff)
IB/ipath: MAD performance sampling registers support
Add support for QLogic HCAs which have hardware performance sampling registers for PortSamplesControl and PortSamplesResult MADs. Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_kernel.h')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 7bb0d08820d8..a59c06943de6 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -930,6 +930,15 @@ static inline u32 ipath_read_creg32(const struct ipath_devdata *dd,
(char __iomem *)dd->ipath_kregbase));
}
+static inline void ipath_write_creg(const struct ipath_devdata *dd,
+ ipath_creg regno, u64 value)
+{
+ if (dd->ipath_kregbase)
+ writeq(value, regno + (u64 __iomem *)
+ (dd->ipath_cregbase +
+ (char __iomem *)dd->ipath_kregbase));
+}
+
static inline void ipath_clear_rcvhdrtail(const struct ipath_portdata *pd)
{
*((u64 *) pd->port_rcvhdrtail_kvaddr) = 0ULL;