[dpdk-dev] [PATCH] Enhance code readability when dma_map in ifc/ifcvp_vdpa

[jilei chen]

Signed-off-by: jilei chen <chenji...@cmss.chinamobile.com>
---
 drivers/vdpa/ifc/ifcvf_vdpa.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/vdpa/ifc/ifcvf_vdpa.c b/drivers/vdpa/ifc/ifcvf_vdpa.c
index 1dc813d0a3..c2bf26f2b7 100644
--- a/drivers/vdpa/ifc/ifcvf_vdpa.c
+++ b/drivers/vdpa/ifc/ifcvf_vdpa.c
@@ -36,6 +36,8 @@ RTE_LOG_REGISTER(ifcvf_vdpa_logtype, pmd.vdpa.ifcvf, NOTICE);
 
 #define IFCVF_VDPA_MODE                "vdpa"
 #define IFCVF_SW_FALLBACK_LM   "sw-live-migration"
+#define IFCVF_MAP      1
+#define IFCVF_UNMAP    0
 
 #define THREAD_NAME_LEN        16
 
@@ -538,7 +540,7 @@ update_datapath(struct ifcvf_internal *internal)
        if (!rte_atomic32_read(&internal->running) &&
            (rte_atomic32_read(&internal->started) &&
             rte_atomic32_read(&internal->dev_attached))) {
-               ret = ifcvf_dma_map(internal, 1);
+               ret = ifcvf_dma_map(internal, IFCVF_MAP);
                if (ret)
                        goto err;
 
@@ -568,7 +570,7 @@ update_datapath(struct ifcvf_internal *internal)
                if (ret)
                        goto err;
 
-               ret = ifcvf_dma_map(internal, 0);
+               ret = ifcvf_dma_map(internal, IFCVF_UNMAP);
                if (ret)
                        goto err;
 
@@ -875,7 +877,7 @@ ifcvf_sw_fallback_switchover(struct ifcvf_internal 
*internal)
 unset_intr:
        vdpa_disable_vfio_intr(internal);
 unmap:
-       ifcvf_dma_map(internal, 0);
+       ifcvf_dma_map(internal, IFCVF_UNMAP);
 error:
        return -1;
 }
@@ -934,7 +936,7 @@ ifcvf_dev_close(int vid)
                vdpa_disable_vfio_intr(internal);
 
                /* unset DMA map for guest memory */
-               ifcvf_dma_map(internal, 0);
+               ifcvf_dma_map(internal, IFCVF_UNMAP);
 
                internal->sw_fallback_running = false;
        } else {
-- 
2.12.2