A recent -next patch named "PCI: Ignore BAR contents when
firmware left decoding disabled" has pointed out that PCI
cards are supposed to declare that they have either PIO or
MMIO BARs by disabling them if it didn't.
Fix it by correctly marking our emulated PCI card as PIO/MMIO
enabled.
Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
---
tools/kvm/virtio/pci.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/kvm/virtio/pci.c b/tools/kvm/virtio/pci.c
index fa7aa00..665d492 100644
--- a/tools/kvm/virtio/pci.c
+++ b/tools/kvm/virtio/pci.c
@@ -360,6 +360,7 @@ int virtio_pci__init(struct kvm *kvm, void *dev, struct virtio_device *vdev,
vpci->pci_hdr = (struct pci_device_header) {
.vendor_id = cpu_to_le16(PCI_VENDOR_ID_REDHAT_QUMRANET),
.device_id = cpu_to_le16(device_id),
+ .command = PCI_COMMAND_IO | PCI_COMMAND_MEMORY,
.header_type = PCI_HEADER_TYPE_NORMAL,
.revision_id = 0,
.class[0] = class & 0xff,
--
1.8.3.2
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