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authorAmit Shah <amit.shah@redhat.com>2012-06-20 12:29:32 +0530
committerAnthony Liguori <aliguori@us.ibm.com>2012-11-16 08:36:13 -0600
commit16c915ba42b45df7a64a6908287f03bfa3764bed (patch)
tree34aa1b0948728b21ddf50d11798aecc654e1c890 /hw/pci.h
parent1da2738f5566263177d09c1b9eaf7cbeeb17e815 (diff)
downloadfocaccia-qemu-16c915ba42b45df7a64a6908287f03bfa3764bed.tar.gz
focaccia-qemu-16c915ba42b45df7a64a6908287f03bfa3764bed.zip
virtio-rng: hardware random number generator device
The Linux kernel already has a virtio-rng driver, this is the device
implementation.

When the guest asks for entropy from the virtio hwrng, it puts a buffer
in the vq.  We then put entropy into that buffer, and push it back to
the guest.

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
aliguori: converted to new RngBackend interface
aliguori: remove entropy needed event
aliguori: fix migration
Diffstat (limited to 'hw/pci.h')
-rw-r--r--hw/pci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/pci.h b/hw/pci.h
index 241c1d8905..4da0c2a4c9 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -76,6 +76,7 @@
 #define PCI_DEVICE_ID_VIRTIO_BALLOON     0x1002
 #define PCI_DEVICE_ID_VIRTIO_CONSOLE     0x1003
 #define PCI_DEVICE_ID_VIRTIO_SCSI        0x1004
+#define PCI_DEVICE_ID_VIRTIO_RNG         0x1005
 
 #define FMT_PCIBUS                      PRIx64