35 lines
878 B
C
35 lines
878 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __KVM_X86_SGX_H
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#define __KVM_X86_SGX_H
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#include <linux/kvm_host.h>
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#include "capabilities.h"
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#include "vmx_ops.h"
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#ifdef CONFIG_X86_SGX_KVM
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extern bool __read_mostly enable_sgx;
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int handle_encls(struct kvm_vcpu *vcpu);
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void setup_default_sgx_lepubkeyhash(void);
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void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu);
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void vmx_write_encls_bitmap(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12);
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#else
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#define enable_sgx 0
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static inline void setup_default_sgx_lepubkeyhash(void) { }
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static inline void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu) { }
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static inline void vmx_write_encls_bitmap(struct kvm_vcpu *vcpu,
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struct vmcs12 *vmcs12)
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{
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/* Nothing to do if hardware doesn't support SGX */
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if (cpu_has_vmx_encls_vmexit())
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vmcs_write64(ENCLS_EXITING_BITMAP, -1ull);
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}
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#endif
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#endif /* __KVM_X86_SGX_H */
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