[PATCH i-g-t] tests/intel/xe_vm: Test vm bind fails with invalid ufence

[Nirmoy Das]

Bind ioctl accepts user addr for ufence which could be bogus.
Add a test to make sure such calls fails.

Cc: Matthew Auld <matthew.auld at intel.com>
Cc: Matthew Brost <matthew.brost at intel.com>
Cc: Kamil Konieczny <kamil.konieczny at linux.intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
---
 tests/intel/xe_vm.c | 51 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/tests/intel/xe_vm.c b/tests/intel/xe_vm.c
index 7a8740b69..234b3f98a 100644
--- a/tests/intel/xe_vm.c
+++ b/tests/intel/xe_vm.c
@@ -336,6 +336,54 @@ static void unbind_all(int fd, int n_vmas)
 }
 
 #define	MAP_ADDRESS	0x00007fadeadbe000
+#define USER_FENCE_VALUE	0xdeadbeefdeadbeefull
+
+/**
+ * SUBTEST: bind-invalid-ufence
+ * Description:
+ *	Verifies that binding with invalid ufence addr is rejected.
+ * Functionality: userptr
+ * Test category: negative test
+ */
+static void invalid_ufence(int fd)
+{
+	size_t size = xe_get_default_alignment(fd);
+	uint32_t vm;
+	int64_t fence_timeout;
+	void *data, *unmapped_addr;
+	struct drm_xe_sync sync[1] = {
+		{
+			.type = DRM_XE_SYNC_TYPE_USER_FENCE,
+			.flags = DRM_XE_SYNC_FLAG_SIGNAL,
+			.timeline_value = USER_FENCE_VALUE
+		}
+	};
+	int ret;
+
+	fence_timeout = (igt_run_in_simulation() ? 100 : 1) * NSEC_PER_SEC;
+	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);
+
+	unmapped_addr = mmap(NULL, size, PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+	igt_assert(unmapped_addr != MAP_FAILED);
+	munmap(unmapped_addr, size);
+
+	sync[0].addr = to_user_pointer(unmapped_addr);
+	ret = __xe_vm_bind(fd, vm, 0, 0, to_user_pointer(data), MAP_ADDRESS,
+			   size, DRM_XE_VM_BIND_OP_MAP_USERPTR, 0, sync, 1, 0,
+			   DEFAULT_PAT_INDEX, 0);
+	igt_assert(ret == -EFAULT);
+
+	sync[0].addr = to_user_pointer(data);
+	xe_vm_bind_userptr_async(fd, vm, 0, to_user_pointer(data), 0x40000, size, sync, 1);
+
+	xe_wait_ufence(fd, data, USER_FENCE_VALUE, 0, fence_timeout);
+
+	xe_vm_destroy(fd, vm);
+}
 
 /**
  * SUBTEST: userptr-invalid
@@ -2373,6 +2421,9 @@ igt_main
 	igt_subtest("userptr-invalid")
 		userptr_invalid(fd);
 
+	igt_subtest("bind-invalid-ufence")
+		invalid_ufence(fd);
+
 	igt_subtest("bind-flag-invalid")
 		bind_flag_invalid(fd);
 
-- 
2.46.0