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Nitro Enclaves are a confidential compute technology which allows a parent instance to carve out resources from itself and spawn a confidential sibling VM next to itself. Similar to other confidential compute solutions, this sibling is controlled by an underlying vmm, but still has a higher level vmm (QEMU) to implement some of its I/O functionality and lifecycle. Add an accelerator to drive this interface. In combination with follow-on patches to enhance the Nitro Enclaves machine model, this will allow users to run a Nitro Enclave using QEMU. Signed-off-by: Alexander Graf <graf@amazon.com> Link: https://lore.kernel.org/r/20260225220807.33092-5-graf@amazon.com Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
26 lines
520 B
C
26 lines
520 B
C
/*
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* Nitro Enclaves accelerator - public interface
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef SYSTEM_NITRO_ACCEL_H
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#define SYSTEM_NITRO_ACCEL_H
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#include "qemu/accel.h"
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extern bool nitro_allowed;
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static inline bool nitro_enabled(void)
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{
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return nitro_allowed;
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}
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#define TYPE_NITRO_ACCEL ACCEL_CLASS_NAME("nitro")
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typedef struct NitroAccelState NitroAccelState;
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DECLARE_INSTANCE_CHECKER(NitroAccelState, NITRO_ACCEL,
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TYPE_NITRO_ACCEL)
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#endif /* SYSTEM_NITRO_ACCEL_H */
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