From: Michael S. Tsirkin <mst@mellanox.co.il>
Add mthca_write64_raw() function, which will be used to write FMR entries that
are in ioremapped PCI memory.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@topspin.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/drivers/infiniband/hw/mthca/mthca_doorbell.h | 11 +++++++++++
1 files changed, 11 insertions(+)
diff -puN drivers/infiniband/hw/mthca/mthca_doorbell.h~ib-mthca-add-mthca_write64_raw-for-writing-to-mtt-table-directly drivers/infiniband/hw/mthca/mthca_doorbell.h
--- 25/drivers/infiniband/hw/mthca/mthca_doorbell.h~ib-mthca-add-mthca_write64_raw-for-writing-to-mtt-table-directly Fri Apr 1 14:14:51 2005
+++ 25-akpm/drivers/infiniband/hw/mthca/mthca_doorbell.h Fri Apr 1 14:14:51 2005
@@ -51,6 +51,11 @@
#define MTHCA_INIT_DOORBELL_LOCK(ptr) do { } while (0)
#define MTHCA_GET_DOORBELL_LOCK(ptr) (NULL)
+static inline void mthca_write64_raw(__be64 val, void __iomem *dest)
+{
+ __raw_writeq((__force u64) val, dest);
+}
+
static inline void mthca_write64(u32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
@@ -74,6 +79,12 @@ static inline void mthca_write_db_rec(u3
#define MTHCA_INIT_DOORBELL_LOCK(ptr) spin_lock_init(ptr)
#define MTHCA_GET_DOORBELL_LOCK(ptr) (ptr)
+static inline void mthca_write64_raw(__be64 val, void __iomem *dest)
+{
+ __raw_writel(((__force u32 *) &val)[0], dest);
+ __raw_writel(((__force u32 *) &val)[1], dest + 4);
+}
+
static inline void mthca_write64(u32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
_