diff options
Diffstat (limited to 'src/vnet/devices/virtio/virtio_pci_legacy.c')
| -rw-r--r-- | src/vnet/devices/virtio/virtio_pci_legacy.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/vnet/devices/virtio/virtio_pci_legacy.c b/src/vnet/devices/virtio/virtio_pci_legacy.c index f70776db5ac..cf1d84135aa 100644 --- a/src/vnet/devices/virtio/virtio_pci_legacy.c +++ b/src/vnet/devices/virtio/virtio_pci_legacy.c @@ -113,8 +113,10 @@ virtio_pci_legacy_set_guest_features (vlib_main_t * vm, virtio_if_t * vif, clib_warning ("only 32 bit features are allowed for legacy virtio!"); } u32 features = 0; + u32 gf = (u32) guest_features; + vlib_pci_write_io_u32 (vm, vif->pci_dev_handle, VIRTIO_PCI_GUEST_FEATURES, - (u32 *) & guest_features); + &gf); vlib_pci_read_io_u32 (vm, vif->pci_dev_handle, VIRTIO_PCI_GUEST_FEATURES, &features); if (features != (u32) guest_features) @@ -178,14 +180,13 @@ virtio_pci_legacy_setup_queue (vlib_main_t * vm, virtio_if_t * vif, u16 queue_id, void *p) { u64 addr = vlib_physmem_get_pa (vm, p) >> VIRTIO_PCI_QUEUE_ADDR_SHIFT; - u32 addr2 = 0; + u32 addr2 = 0, a = (u32) addr; vlib_pci_write_io_u16 (vm, vif->pci_dev_handle, VIRTIO_PCI_QUEUE_SEL, &queue_id); - vlib_pci_write_io_u32 (vm, vif->pci_dev_handle, VIRTIO_PCI_QUEUE_PFN, - (u32 *) & addr); + vlib_pci_write_io_u32 (vm, vif->pci_dev_handle, VIRTIO_PCI_QUEUE_PFN, &a); vlib_pci_read_io_u32 (vm, vif->pci_dev_handle, VIRTIO_PCI_QUEUE_PFN, &addr2); - if ((u32) addr == addr2) + if (addr == addr2) return 0; clib_warning ("legacy queue setup failed!"); |