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Add udma_barrier definitions for RISC-V

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Reviewed by:	kib
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Li-Wen Hsu 2018-07-22 22:35:17 +00:00
parent cbc397fd10
commit 8407faa1b3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=336620
1 changed files with 8 additions and 0 deletions
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8
contrib/ofed/include/udma_barrier.h
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@ -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