Merge remote-tracking branch 'remotes/ehabkost/tags/machine-pull-request' into staging

Machine queue for 2.10

# gpg: Signature made Thu 20 Apr 2017 19:44:27 BST
# gpg:                using RSA key 0x2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>"
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-pull-request:
  qdev: Constify local variable returned by blk_bs
  qdev: Constify value passed to qdev_prop_set_macaddr
  hostmem: use host_memory_backend_mr_inited() where proper
  hostmem: introduce host_memory_backend_mr_inited()
  hw/core/null-machine: Print error message when using the -kernel parameter
  qdev: Make "hotplugged" property read-only
  intel_iommu: enable remote IOTLB
  intel_iommu: allow dynamic switch of IOMMU region
  intel_iommu: provide its own replay() callback
  intel_iommu: use the correct memory region for device IOTLB notification
  memory: add MemoryRegionIOMMUOps.replay() callback
  memory: introduce memory_region_notify_one()
  memory: provide iommu_replay_all()
  memory: provide IOMMU_NOTIFIER_FOREACH macro
  memory: add section range info for IOMMU notifier

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

2 files changed, 12 insertions, 1 deletions

diff --git a/include/hw/i386/intel_iommu.h b/include/hw/i386/intel_iommu.h
index fe645aa..3e51876 100644
--- a/include/hw/i386/intel_iommu.h
+++ b/include/hw/i386/intel_iommu.h
@@ -63,6 +63,7 @@ typedef union VTD_IR_TableEntry VTD_IR_TableEntry;
 typedef union VTD_IR_MSIAddress VTD_IR_MSIAddress;
 typedef struct VTDIrq VTDIrq;
 typedef struct VTD_MSIMessage VTD_MSIMessage;
+typedef struct IntelIOMMUNotifierNode IntelIOMMUNotifierNode;
 
 /* Context-Entry */
 struct VTDContextEntry {
@@ -83,6 +84,8 @@ struct VTDAddressSpace {
     uint8_t devfn;
     AddressSpace as;
     MemoryRegion iommu;
+    MemoryRegion root;
+    MemoryRegion sys_alias;
     MemoryRegion iommu_ir;      /* Interrupt region: 0xfeeXXXXX */
     IntelIOMMUState *iommu_state;
     VTDContextCacheEntry context_cache_entry;
@@ -247,6 +250,11 @@ struct VTD_MSIMessage {
 /* When IR is enabled, all MSI/MSI-X data bits should be zero */
 #define VTD_IR_MSI_DATA          (0)
 
+struct IntelIOMMUNotifierNode {
+    VTDAddressSpace *vtd_as;
+    QLIST_ENTRY(IntelIOMMUNotifierNode) next;
+};
+
 /* The iommu (DMAR) device state struct */
 struct IntelIOMMUState {
     X86IOMMUState x86_iommu;
@@ -284,6 +292,8 @@ struct IntelIOMMUState {
     MemoryRegionIOMMUOps iommu_ops;
     GHashTable *vtd_as_by_busptr;   /* VTDBus objects indexed by PCIBus* reference */
     VTDBus *vtd_as_by_bus_num[VTD_PCI_BUS_MAX]; /* VTDBus objects indexed by bus number */
+    /* list of registered notifiers */
+    QLIST_HEAD(, IntelIOMMUNotifierNode) notifiers_list;
 
     /* interrupt remapping */
     bool intr_enabled;              /* Whether guest enabled IR */
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 7ac3153..1d69fa7 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -188,7 +188,8 @@ void qdev_prop_set_chr(DeviceState *dev, const char *name, Chardev *value);
 void qdev_prop_set_netdev(DeviceState *dev, const char *name, NetClientState *value);
 void qdev_prop_set_drive(DeviceState *dev, const char *name,
                          BlockBackend *value, Error **errp);
-void qdev_prop_set_macaddr(DeviceState *dev, const char *name, uint8_t *value);
+void qdev_prop_set_macaddr(DeviceState *dev, const char *name,
+                           const uint8_t *value);
 void qdev_prop_set_enum(DeviceState *dev, const char *name, int value);
 /* FIXME: Remove opaque pointer properties.  */
 void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);