Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150924' into staging

target-arm queue:
 * support VGICv3 in KVM
 * fix bug in ACPI table entries for flash devices in virt board
 * update Allwinner entry in MAINTAINERS

# gpg: Signature made Thu 24 Sep 2015 01:29:55 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"

* remotes/pmaydell/tags/pull-target-arm-20150924:
  MAINTAINERS: update Allwinner A10 maintainer
  hw/arm/virt-acpi-build: Fix wrong size of flash in ACPI table
  hw/arm/virt: Add gic-version option to virt machine
  hw/intc: Initial implementation of vGICv3
  arm_kvm: Do not assume particular GIC type in kvm_arch_irqchip_create()
  intc/gic: Extract some reusable vGIC code
  hw/intc: Implement GIC-500 base class

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

5 files changed, 107 insertions, 1 deletions

diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h
index 2b431e6242..c7a03d43b9 100644
--- a/include/hw/acpi/acpi-defs.h
+++ b/include/hw/acpi/acpi-defs.h
@@ -384,6 +384,15 @@ struct AcpiMadtGenericMsiFrame {
 
 typedef struct AcpiMadtGenericMsiFrame AcpiMadtGenericMsiFrame;
 
+struct AcpiMadtGenericRedistributor {
+    ACPI_SUB_HEADER_DEF
+    uint16_t reserved;
+    uint64_t base_address;
+    uint32_t range_length;
+} QEMU_PACKED;
+
+typedef struct AcpiMadtGenericRedistributor AcpiMadtGenericRedistributor;
+
 /*
  * Generic Timer Description Table (GTDT)
  */
diff --git a/include/hw/arm/virt-acpi-build.h b/include/hw/arm/virt-acpi-build.h
index 19b68a404e..744b666385 100644
--- a/include/hw/arm/virt-acpi-build.h
+++ b/include/hw/arm/virt-acpi-build.h
@@ -32,6 +32,7 @@ typedef struct VirtGuestInfo {
     const MemMapEntry *memmap;
     const int *irqmap;
     bool use_highmem;
+    int gic_version;
 } VirtGuestInfo;
 
 
diff --git a/include/hw/arm/virt.h b/include/hw/arm/virt.h
index 808753f08e..f464586304 100644
--- a/include/hw/arm/virt.h
+++ b/include/hw/arm/virt.h
@@ -46,6 +46,9 @@ enum {
     VIRT_CPUPERIPHS,
     VIRT_GIC_DIST,
     VIRT_GIC_CPU,
+    VIRT_GIC_V2M,
+    VIRT_GIC_ITS,
+    VIRT_GIC_REDIST,
     VIRT_UART,
     VIRT_MMIO,
     VIRT_RTC,
@@ -54,7 +57,6 @@ enum {
     VIRT_PCIE_MMIO,
     VIRT_PCIE_PIO,
     VIRT_PCIE_ECAM,
-    VIRT_GIC_V2M,
     VIRT_PLATFORM_BUS,
     VIRT_PCIE_MMIO_HIGH,
 };
diff --git a/include/hw/intc/arm_gicv3_common.h b/include/hw/intc/arm_gicv3_common.h
new file mode 100644
index 0000000000..c2fd8da4ef
--- /dev/null
+++ b/include/hw/intc/arm_gicv3_common.h
@@ -0,0 +1,68 @@
+/*
+ * ARM GIC support
+ *
+ * Copyright (c) 2012 Linaro Limited
+ * Copyright (c) 2015 Huawei.
+ * Written by Peter Maydell
+ * Extended to 64 cores by Shlomo Pongratz
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_ARM_GICV3_COMMON_H
+#define HW_ARM_GICV3_COMMON_H
+
+#include "hw/sysbus.h"
+#include "hw/intc/arm_gic_common.h"
+
+typedef struct GICv3State {
+    /*< private >*/
+    SysBusDevice parent_obj;
+    /*< public >*/
+
+    qemu_irq *parent_irq;
+    qemu_irq *parent_fiq;
+
+    MemoryRegion iomem_dist; /* Distributor */
+    MemoryRegion iomem_redist; /* Redistributors */
+
+    uint32_t num_cpu;
+    uint32_t num_irq;
+    uint32_t revision;
+    bool security_extn;
+
+    int dev_fd; /* kvm device fd if backed by kvm vgic support */
+} GICv3State;
+
+#define TYPE_ARM_GICV3_COMMON "arm-gicv3-common"
+#define ARM_GICV3_COMMON(obj) \
+     OBJECT_CHECK(GICv3State, (obj), TYPE_ARM_GICV3_COMMON)
+#define ARM_GICV3_COMMON_CLASS(klass) \
+     OBJECT_CLASS_CHECK(ARMGICv3CommonClass, (klass), TYPE_ARM_GICV3_COMMON)
+#define ARM_GICV3_COMMON_GET_CLASS(obj) \
+     OBJECT_GET_CLASS(ARMGICv3CommonClass, (obj), TYPE_ARM_GICV3_COMMON)
+
+typedef struct ARMGICv3CommonClass {
+    /*< private >*/
+    SysBusDeviceClass parent_class;
+    /*< public >*/
+
+    void (*pre_save)(GICv3State *s);
+    void (*post_load)(GICv3State *s);
+} ARMGICv3CommonClass;
+
+void gicv3_init_irqs_and_mmio(GICv3State *s, qemu_irq_handler handler,
+                              const MemoryRegionOps *ops);
+
+#endif
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 983e99e1e7..2a58b4d19e 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -240,6 +240,32 @@ int kvm_device_ioctl(int fd, int type, ...);
 int kvm_vm_check_attr(KVMState *s, uint32_t group, uint64_t attr);
 
 /**
+ * kvm_device_check_attr - check for existence of a specific device attribute
+ * @fd: The device file descriptor
+ * @group: the group
+ * @attr: the attribute of that group to query for
+ *
+ * Returns: 1 if the attribute exists
+ *          0 if the attribute either does not exist or if the vm device
+ *            interface is unavailable
+ */
+int kvm_device_check_attr(int fd, uint32_t group, uint64_t attr);
+
+/**
+ * kvm_device_access - set or get value of a specific vm attribute
+ * @fd: The device file descriptor
+ * @group: the group
+ * @attr: the attribute of that group to set or get
+ * @val: pointer to a storage area for the value
+ * @write: true for set and false for get operation
+ *
+ * This function is not allowed to fail. Use kvm_device_check_attr()
+ * in order to check for the availability of optional attributes.
+ */
+void kvm_device_access(int fd, int group, uint64_t attr,
+                       void *val, bool write);
+
+/**
  * kvm_create_device - create a KVM device for the device control API
  * @KVMState: The KVMState pointer
  * @type: The KVM device type (see Documentation/virtual/kvm/devices in the