sgx.h

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