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
  11 extern bool __read_mostly enable_sgx;
  12
  13 int handle_encls(struct kvm_vcpu *vcpu);
  14
  15 void setup_default_sgx_lepubkeyhash(void);
  16 void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu);
  17
  18 void vmx_write_encls_bitmap(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12);
  19 #else
  20 #define enable_sgx 0
  21
  22 static inline void setup_default_sgx_lepubkeyhash(void) { }
  23 static inline void vcpu_setup_sgx_lepubkeyhash(struct kvm_vcpu *vcpu) { }
  24
  25 static 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 */