[PATCH i-g-t v2 20/66] tests/xe_eudebug: Exercise debug metadata events sent to debugger
Christoph Manszewski
christoph.manszewski at intel.com
Tue Jul 30 11:44:37 UTC 2024
From: Maciej Patelczyk <maciej.patelczyk at intel.com>
Add tests which exercise setting debug metadata and correctness
of events received by currently attached debugger.
Extended the attach-debug-metadata so that it has multimple metadatas per
bind. (Maciej)
Signed-off-by: Dominik Grzegorzek <dominik.grzegorzek at intel.com>
Signed-off-by: Maciej Patelczyk <maciej.patelczyk at intel.com>
Cc: Christoph Manszewski <christoph.manszewski at intel.com>
---
tests/intel/xe_eudebug.c | 164 +++++++++++++++++++++++++++++++++++++++
1 file changed, 164 insertions(+)
diff --git a/tests/intel/xe_eudebug.c b/tests/intel/xe_eudebug.c
index ce6c37c6d..577985ba7 100644
--- a/tests/intel/xe_eudebug.c
+++ b/tests/intel/xe_eudebug.c
@@ -27,6 +27,7 @@
#define VM_BIND (1 << 2)
#define VM_BIND_VM_DESTROY (1 << 3)
#define VM_BIND_EXTENDED (1 << 4)
+#define VM_METADATA (1 << 5)
static void basic_vm_bind_client(int fd, struct xe_eudebug_client *c)
{
@@ -978,6 +979,163 @@ static void test_vm_access(int fd, unsigned int flags, int num_clients)
false, XE_EUDEBUG_FILTER_EVENT_VM_BIND_OP);
}
+#define PAGE_SIZE 4096
+#define MDATA_SIZE (WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_NUM * PAGE_SIZE)
+static void metadata_access_client(struct xe_eudebug_client *c)
+{
+ const uint64_t addr = 0x1a0000;
+ struct drm_xe_vm_bind_op_ext_attach_debug *ext;
+ uint8_t *data;
+ size_t bo_size;
+ uint32_t bo, vm;
+ int fd, i;
+
+ fd = xe_eudebug_client_open_driver(c);
+ xe_device_get(fd);
+
+ bo_size = xe_get_default_alignment(fd);
+ vm = xe_eudebug_client_vm_create(c, fd, 0, 0);
+ bo = xe_bo_create(fd, vm, bo_size, system_memory(fd), 0);
+
+ data = calloc(MDATA_SIZE, sizeof(*data));
+ igt_assert(data);
+
+ for (i = 0; i < MDATA_SIZE; i++)
+ data[i] = 0xff & (i + (i > PAGE_SIZE));
+
+ ext = calloc(WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA + 1, sizeof(*ext));
+ igt_assert(ext);
+
+ for (i = 0; i < WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA + 1; i++) {
+ ext[i].base.name = XE_VM_BIND_OP_EXTENSIONS_ATTACH_DEBUG;
+ ext[i].metadata_id = xe_eudebug_client_metadata_create(c, fd, i,
+ (i + 1) * PAGE_SIZE, data);
+ ext[i].cookie = i;
+
+ if (i < WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA)
+ ext[i].base.next_extension = to_user_pointer(&ext[i+1]);
+ }
+
+ xe_eudebug_client_vm_bind_flags(c, fd, vm, bo, 0, addr,
+ bo_size, 0, NULL, 0, to_user_pointer(ext));
+
+ for (i = 0; i < WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_NUM; i++)
+ xe_eudebug_client_wait_stage(c, i);
+
+ xe_eudebug_client_vm_unbind(c, fd, vm, 0, addr, bo_size);
+
+ for (i = 0; i < WORK_IN_PROGRESS_DRM_XE_DEBUG_METADATA_SIP_AREA + 1; i++)
+ xe_eudebug_client_metadata_destroy(c, fd, ext[i].metadata_id, i, (i + 1) * PAGE_SIZE);
+
+ close(bo);
+ xe_eudebug_client_vm_destroy(c, fd, vm);
+
+ xe_device_put(fd);
+ xe_eudebug_client_close_driver(c, fd);
+
+ free(data);
+ free(ext);
+}
+
+static void debugger_test_metadata(struct xe_eudebug_debugger *d,
+ uint64_t client_handle,
+ uint64_t metadata_handle,
+ uint64_t type,
+ uint64_t len)
+{
+ struct drm_xe_eudebug_read_metadata rm = {
+ .client_handle = client_handle,
+ .metadata_handle = metadata_handle,
+ .size = len,
+ };
+ uint8_t *data;
+ int i;
+
+ data = malloc(len);
+ igt_assert(data);
+
+ rm.ptr = to_user_pointer(data);
+
+ igt_assert_eq(igt_ioctl(d->fd, DRM_XE_EUDEBUG_IOCTL_READ_METADATA, &rm), 0);
+
+ /* syntetic check, test sets different size per metadata type */
+ igt_assert_eq((type + 1) * PAGE_SIZE, rm.size);
+
+ for (i = 0; i < rm.size; i++)
+ igt_assert_eq(data[i], 0xff & (i + (i > PAGE_SIZE)));
+
+ free(data);
+}
+
+static void metadata_read_trigger(struct xe_eudebug_debugger *d,
+ struct drm_xe_eudebug_event *e)
+{
+ struct drm_xe_eudebug_event_metadata *em = (void *)e;
+
+ /* syntetic check, test sets different size per metadata type */
+ igt_assert_eq((em->type + 1) * PAGE_SIZE, em->len);
+
+ if (e->flags & DRM_XE_EUDEBUG_EVENT_CREATE) {
+ debugger_test_metadata(d, em->client_handle, em->metadata_handle,
+ em->type, em->len);
+ xe_eudebug_debugger_signal_stage(d, em->type);
+ }
+}
+
+static void metadata_read_on_vm_bind_trigger(struct xe_eudebug_debugger *d,
+ struct drm_xe_eudebug_event *e)
+{
+ struct drm_xe_eudebug_event_vm_bind_op_metadata *em = (void *)e;
+ struct drm_xe_eudebug_event_vm_bind_op *eo = (void *)e;
+ struct drm_xe_eudebug_event_vm_bind *eb;
+
+ /* For testing purpose client sets metadata_cookie = type */
+
+ /*
+ * Metadata event has a reference to vm-bind-op event which has a reference
+ * to vm-bind event which contains proper client-handle.
+ */
+ eo = (struct drm_xe_eudebug_event_vm_bind_op *)
+ xe_eudebug_event_log_find_seqno(d->log, em->vm_bind_op_ref_seqno);
+ igt_assert(eo);
+ eb = (struct drm_xe_eudebug_event_vm_bind *)
+ xe_eudebug_event_log_find_seqno(d->log, eo->vm_bind_ref_seqno);
+ igt_assert(eb);
+
+ debugger_test_metadata(d,
+ eb->client_handle,
+ em->metadata_handle,
+ em->metadata_cookie,
+ MDATA_SIZE); /* max size */
+
+ xe_eudebug_debugger_signal_stage(d, em->metadata_cookie);
+}
+
+/**
+ * SUBTEST: read-metadata
+ * Description:
+ * Exercise DRM_XE_EUDEBUG_IOCTL_READ_METADATA and debug metadata create|destroy events.
+ */
+static void test_metadata_read(int fd, unsigned int flags, int num_clients)
+{
+ test_client_with_trigger(fd, flags, num_clients, metadata_access_client,
+ DRM_XE_EUDEBUG_EVENT_METADATA, metadata_read_trigger,
+ NULL, true, 0);
+}
+
+/**
+ * SUBTEST: attach-debug-metadata
+ * Description:
+ * Read debug metadata when vm_bind has it attached.
+ */
+static void test_metadata_attach(int fd, unsigned int flags, int num_clients)
+{
+ test_client_with_trigger(fd, flags, num_clients, metadata_access_client,
+ DRM_XE_EUDEBUG_EVENT_VM_BIND_OP_METADATA,
+ metadata_read_on_vm_bind_trigger,
+ NULL, true, 0);
+}
+
igt_main
{
int fd;
@@ -1019,6 +1177,12 @@ igt_main
igt_subtest("basic-vm-bind-extended")
test_basic_sessions(fd, VM_BIND_EXTENDED, 1, true);
+ igt_subtest("read-metadata")
+ test_metadata_read(fd, 0, 1);
+
+ igt_subtest("attach-debug-metadata")
+ test_metadata_attach(fd, 0, 1);
+
igt_subtest("discovery-race")
test_race_discovery(fd, 0, 4);
--
2.34.1
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