diff options
Diffstat (limited to 'tools/testing/selftests/kvm/state_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/state_test.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/tools/testing/selftests/kvm/state_test.c b/tools/testing/selftests/kvm/state_test.c index 8554a34f826e..ecabf25b7077 100644 --- a/tools/testing/selftests/kvm/state_test.c +++ b/tools/testing/selftests/kvm/state_test.c @@ -53,7 +53,15 @@ void l2_guest_code(void) /* Exit to L1 */ vmcall(); - GUEST_SYNC(7); + /* L1 has now set up a shadow VMCS for us. */ + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffee); + GUEST_SYNC(9); + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffee); + GUEST_ASSERT(!vmwrite(GUEST_RIP, 0xc0fffee)); + GUEST_SYNC(10); + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0fffee); + GUEST_ASSERT(!vmwrite(GUEST_RIP, 0xc0ffffee)); + GUEST_SYNC(11); /* Done, exit to L1 and never come back. */ vmcall(); @@ -94,9 +102,31 @@ void l1_guest_code(struct vmx_pages *vmx_pages) vmwrite(GUEST_RIP, vmreadz(GUEST_RIP) + 3); + vmwrite(SECONDARY_VM_EXEC_CONTROL, SECONDARY_EXEC_SHADOW_VMCS); + vmwrite(VMCS_LINK_POINTER, vmx_pages->shadow_vmcs_gpa); + + GUEST_ASSERT(!vmptrld(vmx_pages->shadow_vmcs_gpa)); + GUEST_ASSERT(vmlaunch()); + GUEST_SYNC(7); + GUEST_ASSERT(vmlaunch()); + GUEST_ASSERT(vmresume()); + + vmwrite(GUEST_RIP, 0xc0ffee); + GUEST_SYNC(8); + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffee); + + GUEST_ASSERT(!vmptrld(vmx_pages->vmcs_gpa)); GUEST_ASSERT(!vmresume()); GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL); - GUEST_SYNC(8); + + GUEST_ASSERT(!vmptrld(vmx_pages->shadow_vmcs_gpa)); + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffffee); + GUEST_ASSERT(vmlaunch()); + GUEST_ASSERT(vmresume()); + GUEST_SYNC(12); + GUEST_ASSERT(vmreadz(GUEST_RIP) == 0xc0ffffee); + GUEST_ASSERT(vmlaunch()); + GUEST_ASSERT(vmresume()); } void guest_code(struct vmx_pages *vmx_pages) |