From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7EE4D10E1EC for ; Wed, 15 Mar 2023 14:15:14 +0000 (UTC) From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= To: igt-dev@lists.freedesktop.org Date: Wed, 15 Mar 2023 15:14:53 +0100 Message-Id: <20230315141453.39733-1-thomas.hellstrom@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH] tests/xe/xe_vm: Add a userptr-invalid test List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Add a small userptr-invalid test that adds some coverage for the error paths in the userptr binding code. Signed-off-by: Thomas Hellström --- tests/xe/xe_vm.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tests/xe/xe_vm.c b/tests/xe/xe_vm.c index 4103bd7c..80dcda72 100644 --- a/tests/xe/xe_vm.c +++ b/tests/xe/xe_vm.c @@ -292,6 +292,32 @@ static void unbind_all(int fd, int n_vmas) xe_vm_destroy(fd, vm); } +#define MAP_ADDRESS 0x00007fadeadbe000 + +/* + * This tests verifies that mapping an invalid userptr returns -EFAULT, + * and that it is correctly handled. + */ +static void userptr_invalid(int fd) +{ + size_t size = xe_get_default_alignment(fd); + uint32_t vm; + void *data; + int ret; + + data = mmap((void *)MAP_ADDRESS, size, PROT_READ | + PROT_WRITE, MAP_SHARED | MAP_FIXED | MAP_ANONYMOUS, -1, 0); + igt_assert(data != MAP_FAILED); + + vm = xe_vm_create(fd, 0, 0); + munmap(data, size); + ret = __xe_vm_bind(fd, vm, 0, 0, to_user_pointer(data), 0x40000, + size, XE_VM_BIND_OP_MAP_USERPTR, NULL, 0, 0, 0); + igt_assert(ret == -EFAULT); + + xe_vm_destroy(fd, vm); +} + struct vm_thread_data { pthread_t thread; struct drm_xe_vm_bind_op_error_capture *capture; @@ -1618,6 +1644,9 @@ igt_main igt_subtest("unbind-all-8-vmas") unbind_all(fd, 8); + igt_subtest("userptr-invalid") + userptr_invalid(fd); + igt_subtest("vm-async-ops-err") vm_async_ops_err(fd, false); -- 2.39.2