dpdk/fix-virtio-hardthrough-scenes-device-init-bug.patch
2023-11-03 09:16:16 +08:00

46 lines
1.4 KiB
Diff

From c168e40a0b80b02976ed1698339bc5182b2c0f39 Mon Sep 17 00:00:00 2001
From: root <wangzongchao@huawei.com>
Date: Sat, 3 Dec 2022 15:13:22 +0800
Subject: [PATCH] fix virtio hardthrough scenes device init bug
---
drivers/net/virtio/virtio_ethdev.c | 1 +
drivers/net/virtio/virtio_pci.c | 2 ++
2 files changed, 3 insertions(+)
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 89e4c23..b54abe5 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1331,6 +1331,7 @@ virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
req_features);
/* Read device(host) feature bits */
+ usleep(3000);
host_features = VTPCI_OPS(hw)->get_features(hw);
PMD_INIT_LOG(DEBUG, "host_features before negotiate = %" PRIx64,
host_features);
diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 4468e89..2fade8f 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -2,6 +2,7 @@
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdint.h>
+#include <unistd.h>
#ifdef RTE_EXEC_ENV_LINUX
#include <dirent.h>
@@ -472,6 +473,7 @@ vtpci_reset(struct virtio_hw *hw)
{
VTPCI_OPS(hw)->set_status(hw, VIRTIO_CONFIG_STATUS_RESET);
/* flush status write */
+ usleep(1000);
VTPCI_OPS(hw)->get_status(hw);
}
--
2.27.0