Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit a5f46457 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Radim Krčmář
Browse files

KVM: nVMX: support RDRAND and RDSEED exiting 



Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarJim Mattson <jmattson@google.com>
Signed-off-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
parent 1f519992

arch/x86/include/asm/vmx.h

+2 −0
Original line number Diff line number Diff line
@@ -70,8 +70,10 @@ 
#define SECONDARY_EXEC_APIC_REGISTER_VIRT       0x00000100

#define SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY    0x00000200

#define SECONDARY_EXEC_PAUSE_LOOP_EXITING	0x00000400

#define SECONDARY_EXEC_RDRAND			0x00000800

#define SECONDARY_EXEC_ENABLE_INVPCID		0x00001000

#define SECONDARY_EXEC_SHADOW_VMCS              0x00004000

#define SECONDARY_EXEC_RDSEED			0x00010000

#define SECONDARY_EXEC_ENABLE_PML               0x00020000

#define SECONDARY_EXEC_XSAVES			0x00100000

#define SECONDARY_EXEC_TSC_SCALING              0x02000000

arch/x86/kvm/vmx.c

+5 −0
Original line number Diff line number Diff line
@@ -2745,6 +2745,7 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx) 
		vmx->nested.nested_vmx_secondary_ctls_high);

	vmx->nested.nested_vmx_secondary_ctls_low = 0;

	vmx->nested.nested_vmx_secondary_ctls_high &=

		SECONDARY_EXEC_RDRAND | SECONDARY_EXEC_RDSEED |

		SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES |

		SECONDARY_EXEC_RDTSCP |

		SECONDARY_EXEC_DESC |
@@ -8082,6 +8083,10 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) 
		return nested_cpu_has(vmcs12, CPU_BASED_INVLPG_EXITING);

	case EXIT_REASON_RDPMC:

		return nested_cpu_has(vmcs12, CPU_BASED_RDPMC_EXITING);

	case EXIT_REASON_RDRAND:

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDRAND);

	case EXIT_REASON_RDSEED:

		return nested_cpu_has2(vmcs12, SECONDARY_EXEC_RDSEED);

	case EXIT_REASON_RDTSC: case EXIT_REASON_RDTSCP:

		return nested_cpu_has(vmcs12, CPU_BASED_RDTSC_EXITING);

	case EXIT_REASON_VMCALL: case EXIT_REASON_VMCLEAR: