| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | #ifndef __KVM_X86_SGX_H |
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| 3 | #define __KVM_X86_SGX_H |
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| 4 | |
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| 5 | #include <linux/kvm_host.h> |
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| 6 | |
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| 7 | #include "capabilities.h" |
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| 8 | #include "vmx_ops.h" |
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| 9 | |
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| 10 | #ifdef CONFIG_X86_SGX_KVM |
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| 11 | extern bool __read_mostly enable_sgx; |
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| 12 | |
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| 13 | int handle_encls(struct kvm_vcpu *vcpu); |
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| 14 | |
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| 15 | void setup_default_sgx_lepubkeyhash(void); |
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| 16 | void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu); |
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| 17 | |
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| 18 | void vmx_write_encls_bitmap(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12); |
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| 19 | #else |
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| 20 | #define enable_sgx 0 |
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| 21 | |
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| 22 | static inline void setup_default_sgx_lepubkeyhash(void) { } |
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| 23 | static inline void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu) { } |
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| 24 | |
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| 25 | static inline void vmx_write_encls_bitmap(struct kvm_vcpu *vcpu, |
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| 26 | struct vmcs12 *vmcs12) |
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| 27 | { |
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| 28 | /* Nothing to do if hardware doesn't support SGX */ |
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| 29 | if (cpu_has_vmx_encls_vmexit()) |
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| 30 | vmcs_write64(ENCLS_EXITING_BITMAP, -1ull); |
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| 31 | } |
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| 32 | #endif |
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| 33 | |
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| 34 | #endif /* __KVM_X86_SGX_H */ |
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| 35 | |
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