[dpdk-dev] [PATCH] Enhance code readability when dma_map in ifc/ifcvp_vdpa
jilei chen
chenjilei at cmss.chinamobile.com
Sun Sep 26 18:45:18 CEST 2021
Signed-off-by: jilei chen <chenjilei at 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
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