[dpdk-dev] [PATCH 23/28] net/ixgbe: use eal I/O device memory read/write API
Jerin Jacob
jerin.jacob at caviumnetworks.com
Wed Dec 14 02:55:53 CET 2016
From: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Replace the raw I/O device memory read/write access with eal
abstraction for I/O device memory read/write access to fix
portability issues across different architectures.
Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
CC: Helin Zhang <helin.zhang at intel.com>
CC: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
drivers/net/ixgbe/base/ixgbe_osdep.h | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/net/ixgbe/base/ixgbe_osdep.h b/drivers/net/ixgbe/base/ixgbe_osdep.h
index 77f0af5..9d16c21 100644
--- a/drivers/net/ixgbe/base/ixgbe_osdep.h
+++ b/drivers/net/ixgbe/base/ixgbe_osdep.h
@@ -44,6 +44,7 @@
#include <rte_cycles.h>
#include <rte_log.h>
#include <rte_byteorder.h>
+#include <rte_io.h>
#include "../ixgbe_logs.h"
#include "../ixgbe_bypass_defines.h"
@@ -121,16 +122,20 @@ typedef int bool;
#define prefetch(x) rte_prefetch0(x)
-#define IXGBE_PCI_REG(reg) (*((volatile uint32_t *)(reg)))
+#define IXGBE_PCI_REG(reg) ({ \
+ uint32_t __val; \
+ __val = rte_readl(reg); \
+ __val; \
+})
static inline uint32_t ixgbe_read_addr(volatile void* addr)
{
return rte_le_to_cpu_32(IXGBE_PCI_REG(addr));
}
-#define IXGBE_PCI_REG_WRITE(reg, value) do { \
- IXGBE_PCI_REG((reg)) = (rte_cpu_to_le_32(value)); \
-} while(0)
+#define IXGBE_PCI_REG_WRITE(reg, value) ({ \
+ rte_writel(rte_cpu_to_le_32(value), reg); \
+})
#define IXGBE_PCI_REG_ADDR(hw, reg) \
((volatile uint32_t *)((char *)(hw)->hw_addr + (reg)))
--
2.5.5
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