This patch implements the generic version of rte_read[b/w/l/q]_[relaxed]
and rte_write[b/w/l/q]_[relaxed] using rte_io_wmb() and rte_io_rmb()
Signed-off-by: Jerin Jacob <jerin.ja...@caviumnetworks.com>
---
lib/librte_eal/common/include/generic/rte_io.h | 54 ++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/lib/librte_eal/common/include/generic/rte_io.h
b/lib/librte_eal/common/include/generic/rte_io.h
index d7ffbcd..f34c131 100644
--- a/lib/librte_eal/common/include/generic/rte_io.h
+++ b/lib/librte_eal/common/include/generic/rte_io.h
@@ -34,6 +34,8 @@
#ifndef _RTE_IO_H_
#define _RTE_IO_H_
+#include <rte_atomic.h>
+
/**
* @file
* I/O device memory operations
@@ -260,4 +262,56 @@ rte_writeq(uint64_t value, volatile void *addr);
#endif /* __DOXYGEN__ */
+#ifndef RTE_OVERRIDE_IO_H
+
+#define rte_readb_relaxed(addr) \
+ ({ uint8_t __v = *(const volatile uint8_t *)addr; __v; })
+
+#define rte_readw_relaxed(addr) \
+ ({ uint16_t __v = *(const volatile uint16_t *)addr; __v; })
+
+#define rte_readl_relaxed(addr) \
+ ({ uint32_t __v = *(const volatile uint32_t *)addr; __v; })
+
+#define rte_readq_relaxed(addr) \
+ ({ uint64_t __v = *(const volatile uint64_t *)addr; __v; })
+
+#define rte_writeb_relaxed(value, addr) \
+ ({ *(volatile uint8_t *)addr = value; })
+
+#define rte_writew_relaxed(value, addr) \
+ ({ *(volatile uint16_t *)addr = value; })
+
+#define rte_writel_relaxed(value, addr) \
+ ({ *(volatile uint32_t *)addr = value; })
+
+#define rte_writeq_relaxed(value, addr) \
+ ({ *(volatile uint64_t *)addr = value; })
+
+#define rte_readb(addr) \
+ ({ uint8_t __v = *(const volatile uint8_t *)addr; rte_io_rmb(); __v; })
+
+#define rte_readw(addr) \
+ ({uint16_t __v = *(const volatile uint16_t *)addr; rte_io_rmb(); __v; })
+
+#define rte_readl(addr) \
+ ({uint32_t __v = *(const volatile uint32_t *)addr; rte_io_rmb(); __v; })
+
+#define rte_readq(addr) \
+ ({uint64_t __v = *(const volatile uint64_t *)addr; rte_io_rmb(); __v; })
+
+#define rte_writeb(value, addr) \
+ ({ rte_io_wmb(); *(volatile uint8_t *)addr = value; })
+
+#define rte_writew(value, addr) \
+ ({ rte_io_wmb(); *(volatile uint16_t *)addr = value; })
+
+#define rte_writel(value, addr) \
+ ({ rte_io_wmb(); *(volatile uint32_t *)addr = value; })
+
+#define rte_writeq(value, addr) \
+ ({ rte_io_wmb(); *(volatile uint64_t *)addr = value; })
+
+#endif /* RTE_OVERRIDE_IO_H */
+
#endif /* _RTE_IO_H_ */
--
2.5.5
