X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=hw%2Fvirtio-pci.c;h=d0d6a5e816dd486f98f946b4ce17847d5f8679b0;hb=6f991980a5e96f93a9f676959df2dcba665665ef;hp=a3d4777e8d47fe40aa4263dc6c9ff4258039dead;hpb=16c915ba42b45df7a64a6908287f03bfa3764bed;p=qemu.git

diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index a3d4777e8..d0d6a5e81 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -22,10 +22,10 @@
 #include "virtio-net.h"
 #include "virtio-serial.h"
 #include "virtio-scsi.h"
-#include "pci.h"
+#include "pci/pci.h"
 #include "qemu-error.h"
-#include "msi.h"
-#include "msix.h"
+#include "pci/msi.h"
+#include "pci/msix.h"
 #include "net.h"
 #include "loader.h"
 #include "kvm.h"
@@ -857,6 +857,19 @@ static int virtio_rng_init_pci(PCIDevice *pci_dev)
     VirtIOPCIProxy *proxy = DO_UPCAST(VirtIOPCIProxy, pci_dev, pci_dev);
     VirtIODevice *vdev;
 
+    if (proxy->rng.rng == NULL) {
+        proxy->rng.default_backend = RNG_RANDOM(object_new(TYPE_RNG_RANDOM));
+
+        object_property_add_child(OBJECT(pci_dev),
+                                  "default-backend",
+                                  OBJECT(proxy->rng.default_backend),
+                                  NULL);
+
+        object_property_set_link(OBJECT(pci_dev),
+                                 OBJECT(proxy->rng.default_backend),
+                                 "rng", NULL);
+    }
+
     vdev = virtio_rng_init(&pci_dev->qdev, &proxy->rng);
     if (!vdev) {
         return -1;
@@ -882,7 +895,6 @@ static Property virtio_blk_properties[] = {
 #ifdef __linux__
     DEFINE_PROP_BIT("scsi", VirtIOPCIProxy, blk.scsi, 0, true),
 #endif
-    DEFINE_PROP_BIT("config-wce", VirtIOPCIProxy, blk.config_wce, 0, true),
     DEFINE_PROP_BIT("ioeventfd", VirtIOPCIProxy, flags, VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true),
     DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2),
     DEFINE_VIRTIO_BLK_FEATURES(VirtIOPCIProxy, host_features),
@@ -1015,6 +1027,13 @@ static void virtio_rng_initfn(Object *obj)
 
 static Property virtio_rng_properties[] = {
     DEFINE_VIRTIO_COMMON_FEATURES(VirtIOPCIProxy, host_features),
+    /* Set a default rate limit of 2^47 bytes per minute or roughly 2TB/s.  If
+       you have an entropy source capable of generating more entropy than this
+       and you can pass it through via virtio-rng, then hats off to you.  Until
+       then, this is unlimited for all practical purposes.
+    */
+    DEFINE_PROP_UINT64("max-bytes", VirtIOPCIProxy, rng.max_bytes, INT64_MAX),
+    DEFINE_PROP_UINT32("period", VirtIOPCIProxy, rng.period_ms, 1 << 16),
     DEFINE_PROP_END_OF_LIST(),
 };