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From: jilei chen <chenjilei@cmss.chinamobile.com>
To: xiao.w.wang@intel.com
Cc: dev@dpdk.org, Jilei Chen <chenjilei@cmss.chinamobile.com>
Subject: [dpdk-dev] [PATCH] Enhance code readability when dma_map in ifc/ifcvp_vdpa
Date: Sun, 26 Sep 2021 23:57:57 +0800	[thread overview]
Message-ID: <20210926155757.7648-1-chenjilei@cmss.chinamobile.com> (raw)

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

Signed-off-by: Jilei Chen <chenjilei@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




             reply	other threads:[~2021-09-26 20:47 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-26 15:57 jilei chen [this message]
2021-09-26 16:45 jilei chen
2021-09-27  2:09 ` Wang, Xiao W

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