[dpdk-dev] [PATCH v5 21/29] net/ena: use eal I/O device memory read/write API

Jerin Jacob jerin.jacob at caviumnetworks.com
Wed Jan 18 02:21:34 CET 2017

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.

Suggested-by: Jan Medala <jan at semihalf.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
Acked-by: Jan Medala <jan at semihalf.com>
 drivers/net/ena/base/ena_plat_dpdk.h | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ena/base/ena_plat_dpdk.h b/drivers/net/ena/base/ena_plat_dpdk.h
index 87c3bf1..7eaebf4 100644
--- a/drivers/net/ena/base/ena_plat_dpdk.h
+++ b/drivers/net/ena/base/ena_plat_dpdk.h
@@ -44,6 +44,7 @@
 #include <rte_atomic.h>
 #include <rte_branch_prediction.h>
 #include <rte_cycles.h>
+#include <rte_io.h>
 #include <rte_log.h>
 #include <rte_malloc.h>
 #include <rte_memzone.h>
@@ -224,18 +225,8 @@ typedef uint64_t dma_addr_t;
 #define ENA_MEM_ALLOC(dmadev, size) rte_zmalloc(NULL, size, 1)
 #define ENA_MEM_FREE(dmadev, ptr) ({ENA_TOUCH(dmadev); rte_free(ptr); })
-static inline void writel(u32 value, volatile void  *addr)
-	*(volatile u32 *)addr = value;
-static inline u32 readl(const volatile void *addr)
-	return *(const volatile u32 *)addr;
-#define ENA_REG_WRITE32(value, reg) writel((value), (reg))
-#define ENA_REG_READ32(reg) readl((reg))
+#define ENA_REG_WRITE32(value, reg) rte_write32_relaxed((value), (reg))
+#define ENA_REG_READ32(reg) rte_read32_relaxed((reg))
 #define ATOMIC32_INC(i32_ptr) rte_atomic32_inc(i32_ptr)
 #define ATOMIC32_DEC(i32_ptr) rte_atomic32_dec(i32_ptr)

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