Negotiate VIRTIO_F_IOMMU_PLATFORM to have IOMMU support.
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
Changes from v1:
- remove unnecessary NEED_MAPPING flag
---
drivers/net/virtio/virtio_ethdev.h | 3 ++-
drivers/net/virtio/virtio_pci.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_ethdev.h
b/drivers/net/virtio/virtio_ethdev.h
index 2ecec6e..04a06e2 100644
--- a/drivers/net/virtio/virtio_ethdev.h
+++ b/drivers/net/virtio/virtio_ethdev.h
@@ -63,7 +63,8 @@
1u << VIRTIO_NET_F_CTRL_RX | \
1u << VIRTIO_NET_F_CTRL_VLAN | \
1u << VIRTIO_NET_F_MRG_RXBUF | \
- 1ULL << VIRTIO_F_VERSION_1)
+ 1ULL << VIRTIO_F_VERSION_1 | \
+ 1ULL << VIRTIO_F_IOMMU_PLATFORM )
/*
* CQ function prototype
diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
index 3430a39..0aa0015 100644
--- a/drivers/net/virtio/virtio_pci.h
+++ b/drivers/net/virtio/virtio_pci.h
@@ -138,6 +138,7 @@ struct virtnet_ctl;
#define VIRTIO_RING_F_INDIRECT_DESC 28
#define VIRTIO_F_VERSION_1 32
+#define VIRTIO_F_IOMMU_PLATFORM 33
/*
* Some VirtIO feature bits (currently bits 28 through 31) are
@@ -145,7 +146,7 @@ struct virtnet_ctl;
* rest are per-device feature bits.
*/
#define VIRTIO_TRANSPORT_F_START 28
-#define VIRTIO_TRANSPORT_F_END 32
+#define VIRTIO_TRANSPORT_F_END 34
/* The Guest publishes the used index for which it expects an interrupt
* at the end of the avail ring. Host should ignore the avail->flags field. */
--
2.7.4
