X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio.c;h=d9e642f412eb9ef707cc664b4753b277115f01cb;hb=99ebada2d6d9db23be39f737f26c7bf5f0a26b9c;hp=ba3203e68b87a715d4cb57618594280521fb7d78;hpb=9328e1055c6998d46e72fb3c5ba5d13f43b36ae8;p=dpdk.git

diff --git a/drivers/net/virtio/virtio.c b/drivers/net/virtio/virtio.c
index ba3203e68b..d9e642f412 100644
--- a/drivers/net/virtio/virtio.c
+++ b/drivers/net/virtio/virtio.c
@@ -3,7 +3,10 @@
  * Copyright(c) 2020 Red Hat, Inc.
  */
 
+#include <unistd.h>
+
 #include "virtio.h"
+#include "virtio_logs.h"
 
 uint64_t
 virtio_negotiate_features(struct virtio_hw *hw, uint64_t host_features)
@@ -38,9 +41,17 @@ virtio_write_dev_config(struct virtio_hw *hw, size_t offset,
 void
 virtio_reset(struct virtio_hw *hw)
 {
+	uint32_t retry = 0;
+
 	VIRTIO_OPS(hw)->set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
-	/* flush status write */
-	VIRTIO_OPS(hw)->get_status(hw);
+	/* Flush status write and wait device ready max 3 seconds. */
+	while (VIRTIO_OPS(hw)->get_status(hw) != VIRTIO_CONFIG_STATUS_RESET) {
+		if (retry++ > 3000) {
+			PMD_INIT_LOG(WARNING, "port %u device reset timeout", hw->port_id);
+			break;
+		}
+		usleep(1000L);
+	}
 }
 
 void
@@ -63,3 +74,9 @@ virtio_get_status(struct virtio_hw *hw)
 {
 	return VIRTIO_OPS(hw)->get_status(hw);
 }
+
+uint8_t
+virtio_get_isr(struct virtio_hw *hw)
+{
+	return VIRTIO_OPS(hw)->get_isr(hw);
+}