[dpdk-dev,v2,20/29] net/ena: use eal I/O device memory read/write API
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Commit Message
From: Santosh Shukla <santosh.shukla@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.
CC: Jan Medala <jan@semihalf.com>
CC: Jakub Palider <jpa@semihalf.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Acked-by: Jan Medala <jan@semihalf.com>
---
drivers/net/ena/base/ena_eth_com.h | 2 +-
drivers/net/ena/base/ena_plat_dpdk.h | 11 +++++++++--
2 files changed, 10 insertions(+), 3 deletions(-)
@@ -118,7 +118,7 @@ static inline int ena_com_write_sq_doorbell(struct ena_com_io_sq *io_sq)
ena_trc_dbg("write submission queue doorbell for queue: %d tail: %d\n",
io_sq->qid, tail);
- ENA_REG_WRITE32(tail, io_sq->db_addr);
+ ENA_REG_WRITE32_RELAXED(tail, io_sq->db_addr);
return 0;
}
@@ -48,6 +48,7 @@
#include <rte_malloc.h>
#include <rte_memzone.h>
#include <rte_spinlock.h>
+#include <rte_io.h>
#include <sys/time.h>
@@ -226,15 +227,21 @@ typedef uint64_t dma_addr_t;
static inline void writel(u32 value, volatile void *addr)
{
- *(volatile u32 *)addr = value;
+ rte_write32(value, addr);
+}
+
+static inline void writel_relaxed(u32 value, volatile void *addr)
+{
+ rte_write32_relaxed(value, addr);
}
static inline u32 readl(const volatile void *addr)
{
- return *(const volatile u32 *)addr;
+ return rte_read32(addr);
}
#define ENA_REG_WRITE32(value, reg) writel((value), (reg))
+#define ENA_REG_WRITE32_RELAXED(value, reg) writel_relaxed((value), (reg))
#define ENA_REG_READ32(reg) readl((reg))
#define ATOMIC32_INC(i32_ptr) rte_atomic32_inc(i32_ptr)