[dpdk-dev] [PATCH v4 6/6] net/hinic: use common rte bit operation APIs instead

[Joyce Kong <joyce.kong@arm.com>]

Remove its own bit operation APIs and use the common one,
this can reduce the code duplication largely.

Signed-off-by: Joyce Kong <joyce.kong@arm.com>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
---
 drivers/net/hinic/Makefile            |  1 +
 drivers/net/hinic/base/hinic_compat.h | 33 +--------------------------------
 drivers/net/hinic/hinic_pmd_ethdev.c  | 16 ++++++++--------
 drivers/net/hinic/meson.build         |  2 ++
 4 files changed, 12 insertions(+), 40 deletions(-)

diff --git a/drivers/net/hinic/Makefile b/drivers/net/hinic/Makefile
index b78fd8d..97f4298 100644
--- a/drivers/net/hinic/Makefile
+++ b/drivers/net/hinic/Makefile
@@ -9,6 +9,7 @@ include $(RTE_SDK)/mk/rte.vars.mk
 LIB = librte_pmd_hinic.a
 
 CFLAGS += -O3
+CFLAGS += -DALLOW_EXPERIMENTAL_API
 CFLAGS += $(WERROR_FLAGS)
 
 ifeq ($(CONFIG_RTE_ARCH_ARM64),y)
diff --git a/drivers/net/hinic/base/hinic_compat.h b/drivers/net/hinic/base/hinic_compat.h
index e4a7f12..c0a0b3e 100644
--- a/drivers/net/hinic/base/hinic_compat.h
+++ b/drivers/net/hinic/base/hinic_compat.h
@@ -11,6 +11,7 @@
 #include <pthread.h>
 #include <rte_common.h>
 #include <rte_byteorder.h>
+#include <rte_bitops.h>
 #include <rte_memzone.h>
 #include <rte_memcpy.h>
 #include <rte_malloc.h>
@@ -117,38 +118,6 @@ extern int hinic_logtype;
 
 #define HINIC_PAGE_SIZE_DPDK	6
 
-static inline int hinic_test_bit(int nr, volatile unsigned long *addr)
-{
-	int res;
-
-	res = ((*addr) & (1UL << nr)) != 0;
-	return res;
-}
-
-static inline void hinic_set_bit(unsigned int nr, volatile unsigned long *addr)
-{
-	__sync_fetch_and_or(addr, (1UL << nr));
-}
-
-static inline void hinic_clear_bit(int nr, volatile unsigned long *addr)
-{
-	__sync_fetch_and_and(addr, ~(1UL << nr));
-}
-
-static inline int hinic_test_and_clear_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = (1UL << nr);
-
-	return __sync_fetch_and_and(addr, ~mask) & mask;
-}
-
-static inline int hinic_test_and_set_bit(int nr, volatile unsigned long *addr)
-{
-	unsigned long mask = (1UL << nr);
-
-	return __sync_fetch_and_or(addr, mask) & mask;
-}
-
 void *dma_zalloc_coherent(void *dev, size_t size, dma_addr_t *dma_handle,
 			  gfp_t flag);
 void *dma_zalloc_coherent_aligned(void *dev, size_t size,
diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c
index 072fec3..8181564 100644
--- a/drivers/net/hinic/hinic_pmd_ethdev.c
+++ b/drivers/net/hinic/hinic_pmd_ethdev.c
@@ -269,7 +269,7 @@ static void hinic_dev_interrupt_handler(void *param)
 	struct rte_eth_dev *dev = param;
 	struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
 
-	if (!hinic_test_bit(HINIC_DEV_INTR_EN, &nic_dev->dev_status)) {
+	if (!rte_get_bit64(HINIC_DEV_INTR_EN, &nic_dev->dev_status)) {
 		PMD_DRV_LOG(WARNING, "Device's interrupt is disabled, ignore interrupt event, dev_name: %s, port_id: %d",
 			    nic_dev->proc_dev_name, dev->data->port_id);
 		return;
@@ -1075,7 +1075,7 @@ static int hinic_dev_start(struct rte_eth_dev *dev)
 	if (dev->data->dev_conf.intr_conf.lsc != 0)
 		(void)hinic_link_update(dev, 0);
 
-	hinic_set_bit(HINIC_DEV_START, &nic_dev->dev_status);
+	rte_set_bit64(HINIC_DEV_START, &nic_dev->dev_status);
 
 	return 0;
 
@@ -1200,7 +1200,7 @@ static void hinic_dev_stop(struct rte_eth_dev *dev)
 	name = dev->data->name;
 	port_id = dev->data->port_id;
 
-	if (!hinic_test_and_clear_bit(HINIC_DEV_START, &nic_dev->dev_status)) {
+	if (!rte_test_and_clear_bit64(HINIC_DEV_START, &nic_dev->dev_status)) {
 		PMD_DRV_LOG(INFO, "Device %s already stopped", name);
 		return;
 	}
@@ -1245,7 +1245,7 @@ static void hinic_disable_interrupt(struct rte_eth_dev *dev)
 	struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 	int ret, retries = 0;
 
-	hinic_clear_bit(HINIC_DEV_INTR_EN, &nic_dev->dev_status);
+	rte_clear_bit64(HINIC_DEV_INTR_EN, &nic_dev->dev_status);
 
 	/* disable msix interrupt in hardware */
 	hinic_set_msix_state(nic_dev->hwdev, 0, HINIC_MSIX_DISABLE);
@@ -2844,7 +2844,7 @@ static void hinic_dev_close(struct rte_eth_dev *dev)
 {
 	struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
 
-	if (hinic_test_and_set_bit(HINIC_DEV_CLOSE, &nic_dev->dev_status)) {
+	if (rte_test_and_set_bit64(HINIC_DEV_CLOSE, &nic_dev->dev_status)) {
 		PMD_DRV_LOG(WARNING, "Device %s already closed",
 			    dev->data->name);
 		return;
@@ -3045,7 +3045,7 @@ static int hinic_func_init(struct rte_eth_dev *eth_dev)
 			    eth_dev->data->name);
 		goto enable_intr_fail;
 	}
-	hinic_set_bit(HINIC_DEV_INTR_EN, &nic_dev->dev_status);
+	rte_set_bit64(HINIC_DEV_INTR_EN, &nic_dev->dev_status);
 
 	/* initialize filter info */
 	filter_info = &nic_dev->filter;
@@ -3057,7 +3057,7 @@ static int hinic_func_init(struct rte_eth_dev *eth_dev)
 	TAILQ_INIT(&nic_dev->filter_fdir_rule_list);
 	TAILQ_INIT(&nic_dev->hinic_flow_list);
 
-	hinic_set_bit(HINIC_DEV_INIT, &nic_dev->dev_status);
+	rte_set_bit64(HINIC_DEV_INIT, &nic_dev->dev_status);
 	PMD_DRV_LOG(INFO, "Initialize %s in primary successfully",
 		    eth_dev->data->name);
 
@@ -3113,7 +3113,7 @@ static int hinic_dev_uninit(struct rte_eth_dev *dev)
 	struct hinic_nic_dev *nic_dev;
 
 	nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
-	hinic_clear_bit(HINIC_DEV_INIT, &nic_dev->dev_status);
+	rte_clear_bit64(HINIC_DEV_INIT, &nic_dev->dev_status);
 
 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 		return 0;
diff --git a/drivers/net/hinic/meson.build b/drivers/net/hinic/meson.build
index bc7e246..8c7ee9d 100644
--- a/drivers/net/hinic/meson.build
+++ b/drivers/net/hinic/meson.build
@@ -1,6 +1,8 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017 Huawei Technologies Co., Ltd
 
+allow_experimental_apis = true
+
 subdir('base')
 objs = [base_objs]
 
-- 
2.7.4