From: Michael S. Tsirkin <[email protected]>
Split Tavor and Arbel/mem-free index<->hw key munging routines, so that FMR implementation
can call correct implementation without testing HCA type (which it already knows).
Signed-off-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
--- linux-export.orig/drivers/infiniband/hw/mthca/mthca_mr.c 2005-04-01 12:38:27.075083423 -0800
+++ linux-export/drivers/infiniband/hw/mthca/mthca_mr.c 2005-04-01 12:38:28.676735749 -0800
@@ -198,20 +198,40 @@
seg + (1 << order) - 1);
}
+static inline u32 tavor_hw_index_to_key(u32 ind)
+{
+ return ind;
+}
+
+static inline u32 tavor_key_to_hw_index(u32 key)
+{
+ return key;
+}
+
+static inline u32 arbel_hw_index_to_key(u32 ind)
+{
+ return (ind >> 24) | (ind << 8);
+}
+
+static inline u32 arbel_key_to_hw_index(u32 key)
+{
+ return (key << 24) | (key >> 8);
+}
+
static inline u32 hw_index_to_key(struct mthca_dev *dev, u32 ind)
{
if (dev->hca_type == ARBEL_NATIVE)
- return (ind >> 24) | (ind << 8);
+ return arbel_hw_index_to_key(ind);
else
- return ind;
+ return tavor_hw_index_to_key(ind);
}
static inline u32 key_to_hw_index(struct mthca_dev *dev, u32 key)
{
if (dev->hca_type == ARBEL_NATIVE)
- return (key << 24) | (key >> 8);
+ return arbel_key_to_hw_index(key);
else
- return key;
+ return tavor_key_to_hw_index(key);
}
int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd,
-
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