pseries: Under kvm use guest cpu = host cpu by default

[qemu.git] / hw / virtio-pci.h

diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index a4b5fd30e140af9c3411aaa4b79af5a3c1af6c3a..f8404de92b23486a7e571ac3974e24d1cd7b4509 100644 (file)
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -18,14 +18,21 @@
 #include "virtio-net.h"
 #include "virtio-serial.h"
 
+/* Performance improves when virtqueue kick processing is decoupled from the
+ * vcpu thread using ioeventfd for some devices. */
+#define VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT 1
+#define VIRTIO_PCI_FLAG_USE_IOEVENTFD   (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
+
 typedef struct {
     PCIDevice pci_dev;
     VirtIODevice *vdev;
+    MemoryRegion bar;
+    MemoryRegion msix_bar;
     uint32_t flags;
-    uint32_t addr;
     uint32_t class_code;
     uint32_t nvectors;
     BlockConf block;
+    char *block_serial;
     NICConf nic;
     uint32_t host_features;
 #ifdef CONFIG_LINUX
@@ -37,7 +44,9 @@ typedef struct {
     bool ioeventfd_started;
 } VirtIOPCIProxy;
 
-extern void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev,
-                            uint16_t vendor, uint16_t device,
-                            uint16_t class_code, uint8_t pif);
+void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
+
+/* Virtio ABI version, if we increment this, we break the guest driver. */
+#define VIRTIO_PCI_ABI_VERSION          0
+
 #endif