Merge remote-tracking branch 'mst/tags/for_anthony' into staging

pci,net,pc enhancements

This includes some fixes and enhancements that accumulated in my tree:
pci fixes by dkoch, virtio-net enhancements by akong and mst,
and a fix for xen pc by mst.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 17 Jul 2013 04:44:45 AM CDT using RSA key ID D28D5469
# gpg: Can't check signature: public key not found

# By Don Koch (2) and others
# Via Michael S. Tsirkin
* mst/tags/for_anthony:
  pc: don't access fw cfg if NULL
  virtio-net: add feature bit for any header s/g
  net: add support of mac-programming over macvtap in QEMU side
  pci: fix BRDIGE typo
  pci-bridge: update mappings for migration/restore

Message-id: 1374054430-21966-1-git-send-email-mst@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

5 files changed, 9 insertions, 1 deletions

diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 61ff154c7d..7fb97b08a2 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -231,6 +231,10 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
             .driver   = "Nehalem-" TYPE_X86_CPU,\
             .property = "level",\
             .value    = stringify(2),\
+        },{\
+            .driver   = "virtio-net-pci",\
+            .property = "any_layout",\
+            .value    = "off",\
         }
 
 #define PC_COMPAT_1_4 \
diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h
index 1868f7aea8..1d8f9973c7 100644
--- a/include/hw/pci/pci_bridge.h
+++ b/include/hw/pci/pci_bridge.h
@@ -37,6 +37,7 @@ PCIBus *pci_bridge_get_sec_bus(PCIBridge *br);
 pcibus_t pci_bridge_get_base(const PCIDevice *bridge, uint8_t type);
 pcibus_t pci_bridge_get_limit(const PCIDevice *bridge, uint8_t type);
 
+void pci_bridge_update_mappings(PCIBridge *br);
 void pci_bridge_write_config(PCIDevice *d,
                              uint32_t address, uint32_t val, int len);
 void pci_bridge_disable_base_limit(PCIDevice *dev);
diff --git a/include/hw/pci/pci_ids.h b/include/hw/pci/pci_ids.h
index 08f8161524..d7933bfd16 100644
--- a/include/hw/pci/pci_ids.h
+++ b/include/hw/pci/pci_ids.h
@@ -39,7 +39,7 @@
 #define PCI_CLASS_BRIDGE_HOST            0x0600
 #define PCI_CLASS_BRIDGE_ISA             0x0601
 #define PCI_CLASS_BRIDGE_PCI             0x0604
-#define PCI_CLASS_BRDIGE_PCI_INF_SUB     0x01
+#define PCI_CLASS_BRIDGE_PCI_INF_SUB     0x01
 #define PCI_CLASS_BRIDGE_OTHER           0x0680
 
 #define PCI_CLASS_COMMUNICATION_SERIAL   0x0700
diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h
index b315ac91a4..df60f16a3e 100644
--- a/include/hw/virtio/virtio-net.h
+++ b/include/hw/virtio/virtio-net.h
@@ -243,6 +243,7 @@ struct virtio_net_ctrl_mq {
 
 #define DEFINE_VIRTIO_NET_FEATURES(_state, _field) \
         DEFINE_VIRTIO_COMMON_FEATURES(_state, _field), \
+        DEFINE_PROP_BIT("any_layout", _state, _field, VIRTIO_F_ANY_LAYOUT, true), \
         DEFINE_PROP_BIT("csum", _state, _field, VIRTIO_NET_F_CSUM, true), \
         DEFINE_PROP_BIT("guest_csum", _state, _field, VIRTIO_NET_F_GUEST_CSUM, true), \
         DEFINE_PROP_BIT("gso", _state, _field, VIRTIO_NET_F_GSO, true), \
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index a6c5c5380c..5d1d2be295 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -43,6 +43,8 @@
 /* We notify when the ring is completely used, even if the guest is suppressing
  * callbacks */
 #define VIRTIO_F_NOTIFY_ON_EMPTY        24
+/* Can the device handle any descriptor layout? */
+#define VIRTIO_F_ANY_LAYOUT             27
 /* We support indirect buffer descriptors */
 #define VIRTIO_RING_F_INDIRECT_DESC     28
 /* The Guest publishes the used index for which it expects an interrupt