[PATCH 2/3] libibverbs: add support for the s390x platform

Alexey Ishchuk
2014-10-10T09:34:16Z

This patch adds the required platform specific code to allow execution of
the libibverbs functions on the s390x platform.

Signed-off-by: Alexey Ishchuk <aishchuk-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
---
include/infiniband/arch.h | 7 +++++++
1 file changed, 7 insertions(+)

--- a/include/infiniband/arch.h
+++ b/include/infiniband/arch.h
@@ -115,6 +115,13 @@ static inline uint64_t ntohll(uint64_t x
#define wmb() mb()
#define wc_wmb() wmb()

+#elif defined(__s390x__)
+
+#define mb() { asm volatile("" : : : "memory"); } /* for s390x */
+#define rmb() mb() /* for s390x */
+#define wmb() mb() /* for s390x */
+#define wc_wmb() wmb() /* for s390x */
+
#else

#warning No architecture specific defines found. Using generic implementation.