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Wed, 1 Jun 2022 15:36:52 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Wed, 1 Jun 2022 15:36:52 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651) id 0D215E028C; Wed, 1 Jun 2022 17:36:52 +0200 (CEST) From: Christian Borntraeger To: Paolo Bonzini Cc: KVM , Janosch Frank , Claudio Imbrenda , David Hildenbrand , linux-s390 , Christian Borntraeger , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Thomas Huth Subject: [GIT PULL 14/15] KVM: s390: selftests: Use TAP interface in the tprot test Date: Wed, 1 Jun 2022 17:36:45 +0200 Message-Id: <20220601153646.6791-15-borntraeger@linux.ibm.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220601153646.6791-1-borntraeger@linux.ibm.com> References: <20220601153646.6791-1-borntraeger@linux.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: OD74kyG8guQ44t5S97OHRYQEC3uQfovj X-Proofpoint-GUID: KAwy3NErpKLK4MMsYEv7rt5XSN2JJKd5 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.874,Hydra:6.0.517,FMLib:17.11.64.514 definitions=2022-06-01_05,2022-06-01_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 bulkscore=0 suspectscore=0 mlxscore=0 clxscore=1015 impostorscore=0 mlxlogscore=999 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2204290000 definitions=main-2206010072 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Thomas Huth The tprot test currently does not have any output (unless one of the TEST_ASSERT statement fails), so it's hard to say for a user whether a certain new sub-test has been included in the binary or not. Let's make this a little bit more user-friendly and include some TAP output via the kselftests.h interface. Reviewed-by: Janosch Frank Reviewed-by: Janis Schoetterl-Glausch Signed-off-by: Thomas Huth Link: https://lore.kernel.org/r/20220531101554.36844-4-thuth@redhat.com Signed-off-by: Christian Borntraeger --- tools/testing/selftests/kvm/s390x/tprot.c | 29 +++++++++++++++++++---- 1 file changed, 24 insertions(+), 5 deletions(-) diff --git a/tools/testing/selftests/kvm/s390x/tprot.c b/tools/testing/selftests/kvm/s390x/tprot.c index c097b9db495e..14d74a9e7b3d 100644 --- a/tools/testing/selftests/kvm/s390x/tprot.c +++ b/tools/testing/selftests/kvm/s390x/tprot.c @@ -8,6 +8,7 @@ #include #include "test_util.h" #include "kvm_util.h" +#include "kselftest.h" #define PAGE_SHIFT 12 #define PAGE_SIZE (1 << PAGE_SHIFT) @@ -63,12 +64,12 @@ 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 { @@ -182,7 +183,7 @@ static void guest_code(void) GUEST_SYNC(perform_next_stage(&i, mapped_0)); } -#define HOST_SYNC(vmp, stage) \ +#define HOST_SYNC_NO_TAP(vmp, stage) \ ({ \ struct kvm_vm *__vm = (vmp); \ struct ucall uc; \ @@ -198,12 +199,21 @@ static void guest_code(void) ASSERT_EQ(uc.args[1], __stage); \ }) +#define HOST_SYNC(vmp, stage) \ +({ \ + HOST_SYNC_NO_TAP(vmp, stage); \ + ksft_test_result_pass("" #stage "\n"); \ +}) + int main(int argc, char *argv[]) { struct kvm_vm *vm; struct kvm_run *run; vm_vaddr_t guest_0_page; + ksft_print_header(); + ksft_set_plan(STAGE_END); + vm = vm_create_default(VCPU_ID, 0, guest_code); run = vcpu_state(vm, VCPU_ID); @@ -212,9 +222,14 @@ int main(int argc, char *argv[]) HOST_SYNC(vm, 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(vm, STAGE_INIT_FETCH_PROT_OVERRIDE); + ksft_test_result_skip("STAGE_INIT_FETCH_PROT_OVERRIDE - " + "Did not allocate page at 0\n"); + } else { + HOST_SYNC(vm, 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; @@ -224,4 +239,8 @@ int main(int argc, char *argv[]) run->s.regs.crs[0] |= CR0_STORAGE_PROTECTION_OVERRIDE; run->kvm_dirty_regs = KVM_SYNC_CRS; HOST_SYNC(vm, TEST_STORAGE_PROT_OVERRIDE); + + kvm_vm_free(vm); + + ksft_finished(); /* Print results and exit() accordingly */ } -- 2.35.1