I/OAT: Add support for MSI and MSI-X
Add support for MSI and MSI-X interrupt handling, including the ability
to choose the desired interrupt method.
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
[bunk@kernel.org: drivers/dma/ioat_dma.c: make 3 functions static]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 638165f..b9fb8ee 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -8,6 +8,12 @@
*/
#include <asm/bitops.h>
+#define for_each_bit(bit, addr, size) \
+ for ((bit) = find_first_bit((addr), (size)); \
+ (bit) < (size); \
+ (bit) = find_next_bit((addr), (size), (bit) + 1))
+
+
static __inline__ int get_bitmask_order(unsigned int count)
{
int order;