Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, acpi, virtio, tpm

This includes pxb support by Marcel, as well as multiple enhancements all over
the place.

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

# gpg: Signature made Thu Jun  4 11:51:02 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream: (28 commits)
  vhost: logs sharing
  hw/acpi: piix4_pm_init(): take fw_cfg object no more
  hw/acpi: move "etc/system-states" fw_cfg file from PIIX4 to core
  hw/acpi: acpi_pm1_cnt_init(): take "disable_s3" and "disable_s4"
  pc-dimm: don't assert if pc-dimm alignment != hotpluggable mem range size
  docs: Add PXB documentation
  apci: fix PXB behaviour if used with unsupported BIOS
  hw/pxb: add numa_node parameter
  hw/pci: add support for NUMA nodes
  hw/pxb: add map_irq func
  hw/pci: inform bios if the system has extra pci root buses
  hw/pci: introduce PCI Expander Bridge (PXB)
  hw/pci: removed 'rootbus nr is 0' assumption from qmp_pci_query
  hw/acpi: remove from root bus 0 the crs resources used by other buses.
  hw/acpi: add _CRS method for extra root busses
  hw/apci: add _PRT method for extra PCI root busses
  hw/acpi: add support for i440fx 'snooping' root busses
  hw/pci: extend PCI config access to support devices behind PXB
  hw/i386: query only for q35/pc when looking for pci host bridge
  hw/pci: made pci_bus_num a PCIBusClass method
  ...

Conflicts:
	hw/i386/pc_piix.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 12 insertions, 6 deletions

diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 8f04888e72..816a2e8db2 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -28,6 +28,12 @@ typedef unsigned long vhost_log_chunk_t;
 #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
 #define VHOST_INVALID_FEATURE_BIT   (0xff)
 
+struct vhost_log {
+    unsigned long long size;
+    int refcnt;
+    vhost_log_chunk_t log[0];
+};
+
 struct vhost_memory;
 struct vhost_dev {
     MemoryListener memory_listener;
@@ -43,7 +49,6 @@ struct vhost_dev {
     unsigned long long backend_features;
     bool started;
     bool log_enabled;
-    vhost_log_chunk_t *log;
     unsigned long long log_size;
     Error *migration_blocker;
     bool force;
@@ -52,6 +57,7 @@ struct vhost_dev {
     hwaddr mem_changed_end_addr;
     const VhostOps *vhost_ops;
     void *opaque;
+    struct vhost_log *log;
 };
 
 int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 7222a904dc..2bb7c1ad1a 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -98,7 +98,7 @@ typedef struct VirtioDeviceClass {
     DeviceUnrealize unrealize;
     uint64_t (*get_features)(VirtIODevice *vdev, uint64_t requested_features);
     uint64_t (*bad_features)(VirtIODevice *vdev);
-    void (*set_features)(VirtIODevice *vdev, uint32_t val);
+    void (*set_features)(VirtIODevice *vdev, uint64_t val);
     void (*get_config)(VirtIODevice *vdev, uint8_t *config);
     void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
     void (*reset)(VirtIODevice *vdev);
@@ -184,7 +184,7 @@ void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);
 void virtio_set_status(VirtIODevice *vdev, uint8_t val);
 void virtio_reset(void *opaque);
 void virtio_update_irq(VirtIODevice *vdev);
-int virtio_set_features(VirtIODevice *vdev, uint32_t val);
+int virtio_set_features(VirtIODevice *vdev, uint64_t val);
 
 /* Base devices.  */
 typedef struct VirtIOBlkConf VirtIOBlkConf;
@@ -230,19 +230,19 @@ VirtQueue *virtio_vector_next_queue(VirtQueue *vq);
 static inline void virtio_add_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features |= (1 << fbit);
+    *features |= (1ULL << fbit);
 }
 
 static inline void virtio_clear_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features &= ~(1 << fbit);
+    *features &= ~(1ULL << fbit);
 }
 
 static inline bool __virtio_has_feature(uint64_t features, unsigned int fbit)
 {
     assert(fbit < 64);
-    return !!(features & (1 << fbit));
+    return !!(features & (1ULL << fbit));
 }
 
 static inline bool virtio_has_feature(VirtIODevice *vdev, unsigned int fbit)