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

[jilei chen]

From: Jilei Chen <chenji...@cmss.chinamobile.com>

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

diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c
index da4667ba54..fe7ec87a8a 100644
--- a/drivers/net/ifc/ifcvf_vdpa.c
+++ b/drivers/net/ifc/ifcvf_vdpa.c
@@ -37,6 +37,8 @@
 
 #define IFCVF_VDPA_MODE                "vdpa"
 #define IFCVF_SW_FALLBACK_LM   "sw-live-migration"
+#define IFCVF_MAP      1
+#define IFCVF_UNMAP    0
 
 static const char * const ifcvf_valid_arguments[] = {
        IFCVF_VDPA_MODE,
@@ -535,7 +537,7 @@ 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;
 
@@ -565,7 +567,7 @@ 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;
 
@@ -869,7 +871,7 @@ 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;
 }
@@ -926,7 +928,7 @@ 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