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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
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CC: <konstantin.ananyev@intel.com>, <thomas.monjalon@6wind.com>,
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Date: Tue, 17 Jan 2017 12:43:57 +0530
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Subject: [dpdk-dev] [PATCH v4 22/29] net/fm10k: use eal I/O device memory
read/write API
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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: Jing Chen <jing.d.chen@intel.com>
Signed-off-by: Santosh Shukla <santosh.shukla@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
---
drivers/net/fm10k/base/fm10k_osdep.h | 17 +++++++++--------
1 file changed, 9 insertions(+), 8 deletions(-)
diff --git a/drivers/net/fm10k/base/fm10k_osdep.h b/drivers/net/fm10k/base/fm10k_osdep.h
index a21daa2..f07b678 100644
--- a/drivers/net/fm10k/base/fm10k_osdep.h
+++ b/drivers/net/fm10k/base/fm10k_osdep.h
@@ -39,6 +39,8 @@ POSSIBILITY OF SUCH DAMAGE.
#include <rte_atomic.h>
#include <rte_byteorder.h>
#include <rte_cycles.h>
+#include <rte_io.h>
+
#include "../fm10k_logs.h"
/* TODO: this does not look like it should be used... */
@@ -88,17 +90,16 @@ typedef int bool;
#endif
/* offsets are WORD offsets, not BYTE offsets */
-#define FM10K_WRITE_REG(hw, reg, val) \
- ((((volatile uint32_t *)(hw)->hw_addr)[(reg)]) = ((uint32_t)(val)))
-#define FM10K_READ_REG(hw, reg) \
- (((volatile uint32_t *)(hw)->hw_addr)[(reg)])
+#define FM10K_WRITE_REG(hw, reg, val) \
+ rte_write32((val), ((hw)->hw_addr + (reg)))
+
+#define FM10K_READ_REG(hw, reg) rte_read32(((hw)->hw_addr + (reg)))
+
#define FM10K_WRITE_FLUSH(a) FM10K_READ_REG(a, FM10K_CTRL)
-#define FM10K_PCI_REG(reg) (*((volatile uint32_t *)(reg)))
+#define FM10K_PCI_REG(reg) rte_read32(reg)
-#define FM10K_PCI_REG_WRITE(reg, value) do { \
- FM10K_PCI_REG((reg)) = (value); \
-} while (0)
+#define FM10K_PCI_REG_WRITE(reg, value) rte_write32((value), (reg))
/* not implemented */
#define FM10K_READ_PCI_WORD(hw, reg) 0
--
2.5.5