diff options
Diffstat (limited to 'hw/virtio-pci.c')
| -rw-r--r-- | hw/virtio-pci.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c index 4e1d5e1963..6d0f9dd37a 100644 --- a/hw/virtio-pci.c +++ b/hw/virtio-pci.c @@ -16,6 +16,8 @@ #include <inttypes.h> #include "virtio.h" +#include "virtio-blk.h" +#include "virtio-net.h" #include "pci.h" #include "sysemu.h" #include "msix.h" @@ -92,6 +94,7 @@ typedef struct { uint32_t nvectors; DriveInfo *dinfo; NICConf nic; + uint32_t host_features; } VirtIOPCIProxy; /* virtio device */ @@ -175,7 +178,7 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val) /* Guest does not negotiate properly? We have to assume nothing. */ if (val & (1 << VIRTIO_F_BAD_FEATURE)) { if (vdev->bad_features) - val = vdev->bad_features(vdev); + val = proxy->host_features & vdev->bad_features(vdev); else val = 0; } @@ -235,8 +238,7 @@ static uint32_t virtio_ioport_read(VirtIOPCIProxy *proxy, uint32_t addr) switch (addr) { case VIRTIO_PCI_HOST_FEATURES: - ret = vdev->get_features(vdev); - ret |= vdev->binding->get_features(proxy); + ret = proxy->host_features; break; case VIRTIO_PCI_GUEST_FEATURES: ret = vdev->guest_features; @@ -382,11 +384,8 @@ static void virtio_write_config(PCIDevice *pci_dev, uint32_t address, static unsigned virtio_pci_get_features(void *opaque) { - unsigned ret = 0; - ret |= (1 << VIRTIO_F_NOTIFY_ON_EMPTY); - ret |= (1 << VIRTIO_RING_F_INDIRECT_DESC); - ret |= (1 << VIRTIO_F_BAD_FEATURE); - return ret; + VirtIOPCIProxy *proxy = opaque; + return proxy->host_features; } static const VirtIOBindings virtio_pci_bindings = { @@ -442,6 +441,9 @@ static void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev, virtio_map); virtio_bind_device(vdev, &virtio_pci_bindings, proxy); + proxy->host_features |= 0x1 << VIRTIO_F_NOTIFY_ON_EMPTY; + proxy->host_features |= 0x1 << VIRTIO_F_BAD_FEATURE; + proxy->host_features = vdev->get_features(vdev, proxy->host_features); } static int virtio_blk_init_pci(PCIDevice *pci_dev) @@ -553,6 +555,7 @@ static PCIDeviceInfo virtio_info[] = { DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0), DEFINE_PROP_DRIVE("drive", VirtIOPCIProxy, dinfo), DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), + DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features), DEFINE_PROP_END_OF_LIST(), }, .qdev.reset = virtio_pci_reset, @@ -564,6 +567,7 @@ static PCIDeviceInfo virtio_info[] = { .romfile = "pxe-virtio.bin", .qdev.props = (Property[]) { DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 3), + DEFINE_VIRTIO_NET_FEATURES(VirtIOPCIProxy, host_features), DEFINE_NIC_PROPERTIES(VirtIOPCIProxy, nic), DEFINE_PROP_END_OF_LIST(), }, @@ -575,6 +579,7 @@ static PCIDeviceInfo virtio_info[] = { .exit = virtio_exit_pci, .qdev.props = (Property[]) { DEFINE_PROP_HEX32("class", VirtIOPCIProxy, class_code, 0), + DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), DEFINE_PROP_END_OF_LIST(), }, .qdev.reset = virtio_pci_reset, @@ -583,6 +588,10 @@ static PCIDeviceInfo virtio_info[] = { .qdev.size = sizeof(VirtIOPCIProxy), .init = virtio_balloon_init_pci, .exit = virtio_exit_pci, + .qdev.props = (Property[]) { + DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features), + DEFINE_PROP_END_OF_LIST(), + }, .qdev.reset = virtio_pci_reset, },{ /* end of list */ |