diff options
Diffstat (limited to 'tools/testing/selftests/kvm/s390x/tprot.c')
-rw-r--r-- | tools/testing/selftests/kvm/s390x/tprot.c | 68 |
1 files changed, 42 insertions, 26 deletions
diff --git a/tools/testing/selftests/kvm/s390x/tprot.c b/tools/testing/selftests/kvm/s390x/tprot.c index c097b9db495e..a9a0b76e5fa4 100644 --- a/tools/testing/selftests/kvm/s390x/tprot.c +++ b/tools/testing/selftests/kvm/s390x/tprot.c @@ -8,14 +8,13 @@ #include <sys/mman.h> #include "test_util.h" #include "kvm_util.h" +#include "kselftest.h" #define PAGE_SHIFT 12 #define PAGE_SIZE (1 << PAGE_SHIFT) #define CR0_FETCH_PROTECTION_OVERRIDE (1UL << (63 - 38)) #define CR0_STORAGE_PROTECTION_OVERRIDE (1UL << (63 - 39)) -#define VCPU_ID 1 - static __aligned(PAGE_SIZE) uint8_t pages[2][PAGE_SIZE]; static uint8_t *const page_store_prot = pages[0]; static uint8_t *const page_fetch_prot = pages[1]; @@ -63,12 +62,12 @@ static enum permission test_protection(void *addr, uint8_t key) } enum stage { - STAGE_END, STAGE_INIT_SIMPLE, TEST_SIMPLE, STAGE_INIT_FETCH_PROT_OVERRIDE, TEST_FETCH_PROT_OVERRIDE, TEST_STORAGE_PROT_OVERRIDE, + STAGE_END /* must be the last entry (it's the amount of tests) */ }; struct test { @@ -182,46 +181,63 @@ static void guest_code(void) GUEST_SYNC(perform_next_stage(&i, mapped_0)); } -#define HOST_SYNC(vmp, stage) \ -({ \ - struct kvm_vm *__vm = (vmp); \ - struct ucall uc; \ - int __stage = (stage); \ - \ - vcpu_run(__vm, VCPU_ID); \ - get_ucall(__vm, VCPU_ID, &uc); \ - if (uc.cmd == UCALL_ABORT) { \ - TEST_FAIL("line %lu: %s, hints: %lu, %lu", uc.args[1], \ - (const char *)uc.args[0], uc.args[2], uc.args[3]); \ - } \ - ASSERT_EQ(uc.cmd, UCALL_SYNC); \ - ASSERT_EQ(uc.args[1], __stage); \ +#define HOST_SYNC_NO_TAP(vcpup, stage) \ +({ \ + struct kvm_vcpu *__vcpu = (vcpup); \ + struct ucall uc; \ + int __stage = (stage); \ + \ + vcpu_run(__vcpu); \ + get_ucall(__vcpu, &uc); \ + if (uc.cmd == UCALL_ABORT) \ + REPORT_GUEST_ASSERT_2(uc, "hints: %lu, %lu"); \ + ASSERT_EQ(uc.cmd, UCALL_SYNC); \ + ASSERT_EQ(uc.args[1], __stage); \ +}) + +#define HOST_SYNC(vcpu, stage) \ +({ \ + HOST_SYNC_NO_TAP(vcpu, stage); \ + ksft_test_result_pass("" #stage "\n"); \ }) int main(int argc, char *argv[]) { + struct kvm_vcpu *vcpu; struct kvm_vm *vm; struct kvm_run *run; vm_vaddr_t guest_0_page; - vm = vm_create_default(VCPU_ID, 0, guest_code); - run = vcpu_state(vm, VCPU_ID); + ksft_print_header(); + ksft_set_plan(STAGE_END); + + vm = vm_create_with_one_vcpu(&vcpu, guest_code); + run = vcpu->run; - HOST_SYNC(vm, STAGE_INIT_SIMPLE); + HOST_SYNC(vcpu, STAGE_INIT_SIMPLE); mprotect(addr_gva2hva(vm, (vm_vaddr_t)pages), PAGE_SIZE * 2, PROT_READ); - HOST_SYNC(vm, TEST_SIMPLE); + HOST_SYNC(vcpu, TEST_SIMPLE); guest_0_page = vm_vaddr_alloc(vm, PAGE_SIZE, 0); - if (guest_0_page != 0) - print_skip("Did not allocate page at 0 for fetch protection override tests"); - HOST_SYNC(vm, STAGE_INIT_FETCH_PROT_OVERRIDE); + if (guest_0_page != 0) { + /* Use NO_TAP so we don't get a PASS print */ + HOST_SYNC_NO_TAP(vcpu, STAGE_INIT_FETCH_PROT_OVERRIDE); + ksft_test_result_skip("STAGE_INIT_FETCH_PROT_OVERRIDE - " + "Did not allocate page at 0\n"); + } else { + HOST_SYNC(vcpu, STAGE_INIT_FETCH_PROT_OVERRIDE); + } if (guest_0_page == 0) mprotect(addr_gva2hva(vm, (vm_vaddr_t)0), PAGE_SIZE, PROT_READ); run->s.regs.crs[0] |= CR0_FETCH_PROTECTION_OVERRIDE; run->kvm_dirty_regs = KVM_SYNC_CRS; - HOST_SYNC(vm, TEST_FETCH_PROT_OVERRIDE); + HOST_SYNC(vcpu, TEST_FETCH_PROT_OVERRIDE); run->s.regs.crs[0] |= CR0_STORAGE_PROTECTION_OVERRIDE; run->kvm_dirty_regs = KVM_SYNC_CRS; - HOST_SYNC(vm, TEST_STORAGE_PROT_OVERRIDE); + HOST_SYNC(vcpu, TEST_STORAGE_PROT_OVERRIDE); + + kvm_vm_free(vm); + + ksft_finished(); /* Print results and exit() accordingly */ } |