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@@ -892,6 +892,24 @@ arguments.
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This ioctl is only useful after KVM_CREATE_IRQCHIP. Without an in-kernel
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irqchip, the multiprocessing state must be maintained by userspace.
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+4.39 KVM_SET_IDENTITY_MAP_ADDR
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+
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+Capability: KVM_CAP_SET_IDENTITY_MAP_ADDR
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+Architectures: x86
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+Type: vm ioctl
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+Parameters: unsigned long identity (in)
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+Returns: 0 on success, -1 on error
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+
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+This ioctl defines the physical address of a one-page region in the guest
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+physical address space. The region must be within the first 4GB of the
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+guest physical address space and must not conflict with any memory slot
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+or any mmio address. The guest may malfunction if it accesses this memory
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+region.
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+
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+This ioctl is required on Intel-based hosts. This is needed on Intel hardware
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+because of a quirk in the virtualization implementation (see the internals
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+documentation when it pops into existence).
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+
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5. The kvm_run structure
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Application code obtains a pointer to the kvm_run structure by
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Avi Kivity