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

virtio,vhost,pci,pc: features, fixes and cleanups

- new stats in virtio balloon
- virtio eventfd rework for boot speedup
- vhost memory rework for boot speedup
- fixes and cleanups all over the place

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

# gpg: Signature made Tue 13 Feb 2018 16:29:55 GMT
# gpg:                using RSA key 281F0DB8D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream: (22 commits)
  virtio-balloon: include statistics of disk/file caches
  acpi-test: update FADT
  lpc: drop pcie host dependency
  tests: acpi: fix FADT not being compared to reference table
  hw/pci-bridge: fix pcie root port's IO hints capability
  libvhost-user: Support across-memory-boundary access
  libvhost-user: Fix resource leak
  virtio-balloon: unref the memory region before continuing
  pci: removed the is_express field since a uniform interface was inserted
  virtio-blk: enable multiple vectors when using multiple I/O queues
  pci/bus: let it has higher migration priority
  pci-bridge/i82801b11: clear bridge registers on platform reset
  vhost: Move log_dirty check
  vhost: Merge and delete unused callbacks
  vhost: Clean out old vhost_set_memory and friends
  vhost: Regenerate region list from changed sections list
  vhost: Merge sections added to temporary list
  vhost: Simplify ring verification checks
  vhost: Build temporary section list and deref after commit
  virtio: improve virtio devices initialization time
  ...

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

7 files changed, 17 insertions, 9 deletions

diff --git a/include/hw/compat.h b/include/hw/compat.h
index 7f31850dfa..bc9e3a6627 100644
--- a/include/hw/compat.h
+++ b/include/hw/compat.h
@@ -6,6 +6,14 @@
         .driver   = "hpet",\
         .property = "hpet-offset-saved",\
         .value    = "false",\
+    },{\
+        .driver   = "virtio-blk-pci",\
+        .property = "vectors",\
+        .value    = "2",\
+    },{\
+        .driver   = "vhost-user-blk-pci",\
+        .property = "vectors",\
+        .value    = "2",\
     },
 
 #define HW_COMPAT_2_10 \
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 15ced9648c..d8c18c7fa4 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -236,9 +236,6 @@ typedef struct PCIDeviceClass {
      */
     int is_bridge;
 
-    /* pcie stuff */
-    int is_express;   /* is this device pci express? */
-
     /* rom bar */
     const char *romfile;
 } PCIDeviceClass;
diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h
index 9b44ffd22a..0347da52d2 100644
--- a/include/hw/pci/pci_bridge.h
+++ b/include/hw/pci/pci_bridge.h
@@ -135,8 +135,8 @@ typedef struct PCIBridgeQemuCap {
 
 int pci_bridge_qemu_reserve_cap_init(PCIDevice *dev, int cap_offset,
                               uint32_t bus_reserve, uint64_t io_reserve,
-                              uint32_t mem_non_pref_reserve,
-                              uint32_t mem_pref_32_reserve,
+                              uint64_t mem_non_pref_reserve,
+                              uint64_t mem_pref_32_reserve,
                               uint64_t mem_pref_64_reserve,
                               Error **errp);
 
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 1dc2d73d76..a7f449fa87 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -60,6 +60,8 @@ struct vhost_dev {
     struct vhost_memory *mem;
     int n_mem_sections;
     MemoryRegionSection *mem_sections;
+    int n_tmp_sections;
+    MemoryRegionSection *tmp_sections;
     struct vhost_virtqueue *vqs;
     int nvqs;
     /* the first virtqueue which would be used by this vhost dev */
@@ -73,9 +75,6 @@ struct vhost_dev {
     bool log_enabled;
     uint64_t log_size;
     Error *migration_blocker;
-    bool memory_changed;
-    hwaddr mem_changed_start_addr;
-    hwaddr mem_changed_end_addr;
     const VhostOps *vhost_ops;
     void *opaque;
     struct vhost_log *log;
diff --git a/include/hw/virtio/virtio-bus.h b/include/hw/virtio/virtio-bus.h
index a63c1d216d..ced3d2d2b0 100644
--- a/include/hw/virtio/virtio-bus.h
+++ b/include/hw/virtio/virtio-bus.h
@@ -148,5 +148,7 @@ int virtio_bus_grab_ioeventfd(VirtioBusState *bus);
 void virtio_bus_release_ioeventfd(VirtioBusState *bus);
 /* Switch from/to the generic ioeventfd handler */
 int virtio_bus_set_host_notifier(VirtioBusState *bus, int n, bool assign);
+/* Tell the bus that the ioeventfd handler is no longer required. */
+void virtio_bus_cleanup_host_notifier(VirtioBusState *bus, int n);
 
 #endif /* VIRTIO_BUS_H */
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index 8c3889433c..df463fd33d 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -148,6 +148,7 @@ enum VMStateFlags {
 typedef enum {
     MIG_PRI_DEFAULT = 0,
     MIG_PRI_IOMMU,              /* Must happen before PCI devices */
+    MIG_PRI_PCI_BUS,            /* Must happen before IOMMU */
     MIG_PRI_GICV3_ITS,          /* Must happen before PCI devices */
     MIG_PRI_GICV3,              /* Must happen before the ITS */
     MIG_PRI_MAX,
diff --git a/include/standard-headers/linux/virtio_balloon.h b/include/standard-headers/linux/virtio_balloon.h
index 9d06ccd066..7b0a41b8fc 100644
--- a/include/standard-headers/linux/virtio_balloon.h
+++ b/include/standard-headers/linux/virtio_balloon.h
@@ -52,7 +52,8 @@ struct virtio_balloon_config {
 #define VIRTIO_BALLOON_S_MEMFREE  4   /* Total amount of free memory */
 #define VIRTIO_BALLOON_S_MEMTOT   5   /* Total amount of memory */
 #define VIRTIO_BALLOON_S_AVAIL    6   /* Available memory as in /proc */
-#define VIRTIO_BALLOON_S_NR       7
+#define VIRTIO_BALLOON_S_CACHES   7   /* Disk caches */
+#define VIRTIO_BALLOON_S_NR       8
 
 /*
  * Memory statistics structure.