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From: Li-Wen Hsu <lwhsu@FreeBSD.org>
Date: Sun, 22 Jul 2018 22:35:17 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r336620 - head/contrib/ofed/include
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Author: lwhsu (ports committer)
Date: Sun Jul 22 22:35:17 2018
New Revision: 336620
URL: https://svnweb.freebsd.org/changeset/base/336620

Log:
  Add udma_barrier definitions for RISC-V
  
  Reviewed by:	kib
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/contrib/ofed/include/udma_barrier.h

Modified: head/contrib/ofed/include/udma_barrier.h
==============================================================================
--- head/contrib/ofed/include/udma_barrier.h	Sun Jul 22 22:34:20 2018	(r336619)
+++ head/contrib/ofed/include/udma_barrier.h	Sun Jul 22 22:35:17 2018	(r336620)
@@ -104,6 +104,10 @@
 #include <sys/types.h>
 #include <machine/atomic.h>
 #define udma_to_device_barrier() dmb()
+#elif defined(__riscv)
+#include <sys/types.h>
+#include <machine/atomic.h>
+#define udma_to_device_barrier() fence()
 #else
 #error No architecture specific memory barrier defines found!
 #endif
@@ -140,6 +144,8 @@
 #define udma_from_device_barrier() mips_sync()
 #elif defined(__arm__)
 #define udma_from_device_barrier() dmb()
+#elif defined(__riscv)
+#define udma_from_device_barrier() fence()
 #else
 #error No architecture specific memory barrier defines found!
 #endif
@@ -208,6 +214,8 @@
 #define mmio_flush_writes() mips_sync()
 #elif defined(__arm__)
 #define mmio_flush_writes() dmb()
+#elif defined(__riscv)
+#define mmio_flush_writes() fence()
 #else
 #error No architecture specific memory barrier defines found!
 #endif