Signed-off-by: Sasha Levin <[email protected]>
---
tools/kvm/virtio/net.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/virtio/net.c b/tools/kvm/virtio/net.c
index a74f1e7..9a11721 100644
--- a/tools/kvm/virtio/net.c
+++ b/tools/kvm/virtio/net.c
@@ -10,6 +10,7 @@
#include "kvm/irq.h"
#include "kvm/uip.h"
#include "kvm/ioeventfd.h"
+#include "kvm/guest_compat.h"
#include <linux/virtio_net.h>
#include <linux/if_tun.h>
@@ -63,6 +64,7 @@ struct net_dev {
u32 vq_vector[VIRTIO_NET_NUM_QUEUES];
u32 gsis[VIRTIO_NET_NUM_QUEUES];
u32 msix_io_block;
+ int compat_id;
pthread_t io_rx_thread;
pthread_mutex_t io_rx_lock;
@@ -265,6 +267,8 @@ static bool virtio_net_pci_io_out(struct ioport *ioport,
struct kvm *kvm, u16 po
assert(ndev.queue_selector < VIRTIO_NET_NUM_QUEUES);
+ compat__remove_message(ndev.compat_id);
+
queue = &ndev.vqs[ndev.queue_selector];
queue->pfn = ioport__read32(data);
p = guest_pfn_to_host(kvm, queue->pfn);
@@ -520,4 +524,10 @@ void virtio_net__init(const struct virtio_net_parameters
*params)
ioeventfd__add_event(&ioevent);
}
+
+ ndev.compat_id = compat__add_message("virtio-net device was not
detected",
+ "While you have requested a
virtio-net device, "
+ "the guest kernel didn't seem
to detect it.\n"
+ "Please make sure that the
kernel was compiled"
+ "with CONFIG_VIRTIO_NET.");
}
--
1.7.6
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