LXR linux/arch/x86/kvm/vmx/sgx.h

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