Skip to content
Permalink
Browse files

[virtio] Support VIRTIO_NET_F_IOMMU_PLATFORM

Since we don't enable IOMMU at all, we can then simply enable the
IOMMU support by claiming the support of VIRITO_F_IOMMU_PLATFORM.
This fixes booting failure when iommu_platform is set from qemu cli.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>
  • Loading branch information
jasowang authored and mcb30 committed Jul 10, 2017
1 parent d4df9f5 commit 6a258d8d5523c9b529ae2607d7f49e48eea8beeb
Showing with 3 additions and 1 deletion.
  1. +2 −1 src/drivers/net/virtio-net.c
  2. +1 −0 src/include/ipxe/virtio-ring.h
@@ -259,7 +259,8 @@ static int virtnet_open_modern ( struct net_device *netdev ) {
( 1ULL << VIRTIO_NET_F_MAC ) |
( 1ULL << VIRTIO_NET_F_MTU ) |
( 1ULL << VIRTIO_F_VERSION_1 ) |
( 1ULL << VIRTIO_F_ANY_LAYOUT ) ) );
( 1ULL << VIRTIO_F_ANY_LAYOUT ) |
( 1ULL << VIRTIO_F_IOMMU_PLATFORM ) ) );
vpm_add_status ( &virtnet->vdev, VIRTIO_CONFIG_S_FEATURES_OK );

status = vpm_get_status ( &virtnet->vdev );
@@ -20,6 +20,7 @@
#define VIRTIO_F_ANY_LAYOUT 27
/* v1.0 compliant. */
#define VIRTIO_F_VERSION_1 32
#define VIRTIO_F_IOMMU_PLATFORM 33

#define MAX_QUEUE_NUM (256)

0 comments on commit 6a258d8

Please sign in to comment.
You can’t perform that action at this time.