From 18178ff862170ee4c9fd7450173c6fba9e3c4c3a Mon Sep 17 00:00:00 2001 From: Vitaly Kuznetsov Date: Tue, 16 Oct 2018 18:50:11 +0200 Subject: KVM: selftests: add Enlightened VMCS test Modify test library and add eVMCS test. This includes nVMX save/restore testing. Signed-off-by: Vitaly Kuznetsov Signed-off-by: Paolo Bonzini --- tools/testing/selftests/kvm/include/x86_64/vmx.h | 28 ++++++++++++++++++++++++ 1 file changed, 28 insertions(+) (limited to 'tools/testing/selftests/kvm/include/x86_64') diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h index 4bbee8560292..c9bd935b939c 100644 --- a/tools/testing/selftests/kvm/include/x86_64/vmx.h +++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h @@ -339,6 +339,8 @@ struct vmx_msr_entry { uint64_t value; } __attribute__ ((aligned(16))); +#include "evmcs.h" + static inline int vmxon(uint64_t phys) { uint8_t ret; @@ -372,6 +374,9 @@ static inline int vmptrld(uint64_t vmcs_pa) { uint8_t ret; + if (enable_evmcs) + return -1; + __asm__ __volatile__ ("vmptrld %[pa]; setna %[ret]" : [ret]"=rm"(ret) : [pa]"m"(vmcs_pa) @@ -385,6 +390,9 @@ static inline int vmptrst(uint64_t *value) uint64_t tmp; uint8_t ret; + if (enable_evmcs) + return evmcs_vmptrst(value); + __asm__ __volatile__("vmptrst %[value]; setna %[ret]" : [value]"=m"(tmp), [ret]"=rm"(ret) : : "cc", "memory"); @@ -411,6 +419,9 @@ static inline int vmlaunch(void) { int ret; + if (enable_evmcs) + return evmcs_vmlaunch(); + __asm__ __volatile__("push %%rbp;" "push %%rcx;" "push %%rdx;" @@ -443,6 +454,9 @@ static inline int vmresume(void) { int ret; + if (enable_evmcs) + return evmcs_vmresume(); + __asm__ __volatile__("push %%rbp;" "push %%rcx;" "push %%rdx;" @@ -482,6 +496,9 @@ static inline int vmread(uint64_t encoding, uint64_t *value) uint64_t tmp; uint8_t ret; + if (enable_evmcs) + return evmcs_vmread(encoding, value); + __asm__ __volatile__("vmread %[encoding], %[value]; setna %[ret]" : [value]"=rm"(tmp), [ret]"=rm"(ret) : [encoding]"r"(encoding) @@ -506,6 +523,9 @@ static inline int vmwrite(uint64_t encoding, uint64_t value) { uint8_t ret; + if (enable_evmcs) + return evmcs_vmwrite(encoding, value); + __asm__ __volatile__ ("vmwrite %[value], %[encoding]; setna %[ret]" : [ret]"=rm"(ret) : [value]"rm"(value), [encoding]"r"(encoding) @@ -543,6 +563,14 @@ struct vmx_pages { void *vmwrite_hva; uint64_t vmwrite_gpa; void *vmwrite; + + void *vp_assist_hva; + uint64_t vp_assist_gpa; + void *vp_assist; + + void *enlightened_vmcs_hva; + uint64_t enlightened_vmcs_gpa; + void *enlightened_vmcs; }; struct vmx_pages *vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva); -- cgit