87 	struct xe_devcoredump_snapshot *ss;  in __xe_devcoredump_read()  local
94 	ss = &coredump->snapshot;  in __xe_devcoredump_read()
103 	drm_printf(&p, "Reason: %s\n", ss->reason);  in __xe_devcoredump_read()
107 	ts = ktime_to_timespec64(ss->snapshot_time);  in __xe_devcoredump_read()
109 	ts = ktime_to_timespec64(ss->boot_time);  in __xe_devcoredump_read()
111 	drm_printf(&p, "Process: %s [%d]\n", ss->process_name, ss->pid);  in __xe_devcoredump_read()
114 	drm_printf(&p, "\n**** GT #%d ****\n", ss->gt->info.id);  in __xe_devcoredump_read()
115 	drm_printf(&p, "\tTile: %d\n", ss->gt->tile->id);  in __xe_devcoredump_read()
118 	xe_guc_log_snapshot_print(ss->guc.log, &p);  in __xe_devcoredump_read()
120 	xe_guc_ct_snapshot_print(ss->guc.ct, &p);  in __xe_devcoredump_read()
123 	xe_guc_exec_queue_snapshot_print(ss->ge, &p);  in __xe_devcoredump_read()
126 	xe_sched_job_snapshot_print(ss->job, &p);  in __xe_devcoredump_read()
130 		if (ss->hwe[i])  in __xe_devcoredump_read()
131 			xe_engine_snapshot_print(ss->hwe[i], &p);  in __xe_devcoredump_read()
134 	xe_vm_snapshot_print(ss->vm, &p);  in __xe_devcoredump_read()
139 static void xe_devcoredump_snapshot_free(struct xe_devcoredump_snapshot *ss)  in xe_devcoredump_snapshot_free()  argument
143 	kfree(ss->reason);  in xe_devcoredump_snapshot_free()
144 	ss->reason = NULL;  in xe_devcoredump_snapshot_free()
146 	xe_guc_log_snapshot_free(ss->guc.log);  in xe_devcoredump_snapshot_free()
147 	ss->guc.log = NULL;  in xe_devcoredump_snapshot_free()
149 	xe_guc_ct_snapshot_free(ss->guc.ct);  in xe_devcoredump_snapshot_free()
150 	ss->guc.ct = NULL;  in xe_devcoredump_snapshot_free()
152 	xe_guc_capture_put_matched_nodes(&ss->gt->uc.guc);  in xe_devcoredump_snapshot_free()
153 	ss->matched_node = NULL;  in xe_devcoredump_snapshot_free()
155 	xe_guc_exec_queue_snapshot_free(ss->ge);  in xe_devcoredump_snapshot_free()
156 	ss->ge = NULL;  in xe_devcoredump_snapshot_free()
158 	xe_sched_job_snapshot_free(ss->job);  in xe_devcoredump_snapshot_free()
159 	ss->job = NULL;  in xe_devcoredump_snapshot_free()
162 		if (ss->hwe[i]) {  in xe_devcoredump_snapshot_free()
163 			xe_hw_engine_snapshot_free(ss->hwe[i]);  in xe_devcoredump_snapshot_free()
164 			ss->hwe[i] = NULL;  in xe_devcoredump_snapshot_free()
167 	xe_vm_snapshot_free(ss->vm);  in xe_devcoredump_snapshot_free()
168 	ss->vm = NULL;  in xe_devcoredump_snapshot_free()
175 	struct xe_devcoredump_snapshot *ss;  in xe_devcoredump_read()  local
181 	ss = &coredump->snapshot;  in xe_devcoredump_read()
184 	flush_work(&ss->work);  in xe_devcoredump_read()
188 	if (!ss->read.buffer) {  in xe_devcoredump_read()
193 	if (offset >= ss->read.size) {  in xe_devcoredump_read()
198 	byte_copied = count < ss->read.size - offset ? count :  in xe_devcoredump_read()
199 		ss->read.size - offset;  in xe_devcoredump_read()
200 	memcpy(buffer, ss->read.buffer + offset, byte_copied);  in xe_devcoredump_read()
233 	struct xe_devcoredump_snapshot *ss = container_of(work, typeof(*ss), work);  in xe_devcoredump_deferred_snap_work()  local
234 	struct xe_devcoredump *coredump = container_of(ss, typeof(*coredump), snapshot);  in xe_devcoredump_deferred_snap_work()
243 	dev_coredumpm_timeout(gt_to_xe(ss->gt)->drm.dev, THIS_MODULE, coredump, 0, GFP_KERNEL,  in xe_devcoredump_deferred_snap_work()
250 	fw_ref = xe_force_wake_get(gt_to_fw(ss->gt), XE_FORCEWAKE_ALL);  in xe_devcoredump_deferred_snap_work()
252 		xe_gt_info(ss->gt, "failed to get forcewake for coredump capture\n");  in xe_devcoredump_deferred_snap_work()
253 	xe_vm_snapshot_capture_delayed(ss->vm);  in xe_devcoredump_deferred_snap_work()
254 	xe_guc_exec_queue_snapshot_capture_delayed(ss->ge);  in xe_devcoredump_deferred_snap_work()
255 	xe_force_wake_put(gt_to_fw(ss->gt), fw_ref);  in xe_devcoredump_deferred_snap_work()
260 	ss->read.size = __xe_devcoredump_read(NULL, INT_MAX, coredump);  in xe_devcoredump_deferred_snap_work()
262 	ss->read.buffer = kvmalloc(ss->read.size, GFP_USER);  in xe_devcoredump_deferred_snap_work()
263 	if (!ss->read.buffer)  in xe_devcoredump_deferred_snap_work()
266 	__xe_devcoredump_read(ss->read.buffer, ss->read.size, coredump);  in xe_devcoredump_deferred_snap_work()
267 	xe_devcoredump_snapshot_free(ss);  in xe_devcoredump_deferred_snap_work()
274 	struct xe_devcoredump_snapshot *ss = &coredump->snapshot;  in devcoredump_snapshot()  local
284 	ss->snapshot_time = ktime_get_real();  in devcoredump_snapshot()
285 	ss->boot_time = ktime_get_boottime();  in devcoredump_snapshot()
289 		ss->pid = q->vm->xef->pid;  in devcoredump_snapshot()
292 	strscpy(ss->process_name, process_name);  in devcoredump_snapshot()
294 	ss->gt = q->gt;  in devcoredump_snapshot()
295 	INIT_WORK(&ss->work, xe_devcoredump_deferred_snap_work);  in devcoredump_snapshot()
310 	ss->guc.log = xe_guc_log_snapshot_capture(&guc->log, true);  in devcoredump_snapshot()
311 	ss->guc.ct = xe_guc_ct_snapshot_capture(&guc->ct);  in devcoredump_snapshot()
312 	ss->ge = xe_guc_exec_queue_snapshot_capture(q);  in devcoredump_snapshot()
314 		ss->job = xe_sched_job_snapshot_capture(job);  in devcoredump_snapshot()
315 	ss->vm = xe_vm_snapshot_capture(q->vm);  in devcoredump_snapshot()
319 	queue_work(system_unbound_wq, &ss->work);  in devcoredump_snapshot()