This fixes the build breakage introduced by
c07a0191ef2de1f9510f12d1f88e3b0b5cd8d66f and adds support for the device
control API and save/restore of the VGIC state for ARMv8.

The defines were simply missing from the arm64 header files and
uaccess.h must be implicitly imported from somewhere else on arm.

Signed-off-by: Christoffer Dall <[email protected]>
---
 arch/arm64/include/uapi/asm/kvm.h | 9 +++++++++
 virt/kvm/arm/vgic.c               | 1 +
 2 files changed, 10 insertions(+)

diff --git a/arch/arm64/include/uapi/asm/kvm.h 
b/arch/arm64/include/uapi/asm/kvm.h
index 495ab6f..eaf54a3 100644
--- a/arch/arm64/include/uapi/asm/kvm.h
+++ b/arch/arm64/include/uapi/asm/kvm.h
@@ -148,6 +148,15 @@ struct kvm_arch_memory_slot {
 #define KVM_REG_ARM_TIMER_CNT          ARM64_SYS_REG(3, 3, 14, 3, 2)
 #define KVM_REG_ARM_TIMER_CVAL         ARM64_SYS_REG(3, 3, 14, 0, 2)
 
+/* Device Control API: ARM VGIC */
+#define KVM_DEV_ARM_VGIC_GRP_ADDR      0
+#define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1
+#define KVM_DEV_ARM_VGIC_GRP_CPU_REGS  2
+#define   KVM_DEV_ARM_VGIC_CPUID_SHIFT 32
+#define   KVM_DEV_ARM_VGIC_CPUID_MASK  (0xffULL << 
KVM_DEV_ARM_VGIC_CPUID_SHIFT)
+#define   KVM_DEV_ARM_VGIC_OFFSET_SHIFT        0
+#define   KVM_DEV_ARM_VGIC_OFFSET_MASK (0xffffffffULL << 
KVM_DEV_ARM_VGIC_OFFSET_SHIFT)
+
 /* KVM_IRQ_LINE irq field index values */
 #define KVM_ARM_IRQ_TYPE_SHIFT         24
 #define KVM_ARM_IRQ_TYPE_MASK          0xff
diff --git a/virt/kvm/arm/vgic.c b/virt/kvm/arm/vgic.c
index be456ce..8ca405c 100644
--- a/virt/kvm/arm/vgic.c
+++ b/virt/kvm/arm/vgic.c
@@ -24,6 +24,7 @@
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_irq.h>
+#include <linux/uaccess.h>
 
 #include <linux/irqchip/arm-gic.h>
 
-- 
1.8.5.2

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