1150 				     struct guc_ctb_snapshot *snapshot,  in guc_ctb_snapshot_capture()  argument
1155 	xe_map_memcpy_from(xe, &snapshot->desc, &ctb->desc, 0,  in guc_ctb_snapshot_capture()
1157 	memcpy(&snapshot->info, &ctb->info, sizeof(struct guc_ctb_info));  in guc_ctb_snapshot_capture()
1159 	snapshot->cmds = kmalloc_array(ctb->info.size, sizeof(u32),  in guc_ctb_snapshot_capture()
1162 	if (!snapshot->cmds) {  in guc_ctb_snapshot_capture()
1163 		drm_err(&xe->drm, "Skipping CTB commands snapshot. Only CTB info will be available.\n");  in guc_ctb_snapshot_capture()
1167 	head = snapshot->desc.head;  in guc_ctb_snapshot_capture()
1168 	tail = snapshot->desc.tail;  in guc_ctb_snapshot_capture()
1175 			snapshot->cmds[head] = xe_map_rd(xe, &map, 0, u32);  in guc_ctb_snapshot_capture()
1187 static void guc_ctb_snapshot_print(struct guc_ctb_snapshot *snapshot,  in guc_ctb_snapshot_print()  argument
1192 	drm_printf(p, "\tsize: %d\n", snapshot->info.size);  in guc_ctb_snapshot_print()
1193 	drm_printf(p, "\tresv_space: %d\n", snapshot->info.resv_space);  in guc_ctb_snapshot_print()
1194 	drm_printf(p, "\thead: %d\n", snapshot->info.head);  in guc_ctb_snapshot_print()
1195 	drm_printf(p, "\ttail: %d\n", snapshot->info.tail);  in guc_ctb_snapshot_print()
1196 	drm_printf(p, "\tspace: %d\n", snapshot->info.space);  in guc_ctb_snapshot_print()
1197 	drm_printf(p, "\tbroken: %d\n", snapshot->info.broken);  in guc_ctb_snapshot_print()
1198 	drm_printf(p, "\thead (memory): %d\n", snapshot->desc.head);  in guc_ctb_snapshot_print()
1199 	drm_printf(p, "\ttail (memory): %d\n", snapshot->desc.tail);  in guc_ctb_snapshot_print()
1200 	drm_printf(p, "\tstatus (memory): 0x%x\n", snapshot->desc.status);  in guc_ctb_snapshot_print()
1202 	if (!snapshot->cmds)  in guc_ctb_snapshot_print()
1205 	head = snapshot->desc.head;  in guc_ctb_snapshot_print()
1206 	tail = snapshot->desc.tail;  in guc_ctb_snapshot_print()
1210 			   snapshot->cmds[head]);  in guc_ctb_snapshot_print()
1212 		if (head == snapshot->info.size)  in guc_ctb_snapshot_print()
1217 static void guc_ctb_snapshot_free(struct guc_ctb_snapshot *snapshot)  in guc_ctb_snapshot_free()  argument
1219 	kfree(snapshot->cmds);  in guc_ctb_snapshot_free()
1223  * xe_guc_ct_snapshot_capture - Take a quick snapshot of the CT state.
1231  * Returns: a GuC CT snapshot object that must be freed by the caller
1238 	struct xe_guc_ct_snapshot *snapshot;  in xe_guc_ct_snapshot_capture()  local
1240 	snapshot = kzalloc(sizeof(*snapshot),  in xe_guc_ct_snapshot_capture()
1243 	if (!snapshot) {  in xe_guc_ct_snapshot_capture()
1244 		drm_err(&xe->drm, "Skipping CTB snapshot entirely.\n");  in xe_guc_ct_snapshot_capture()
1249 		snapshot->ct_enabled = true;  in xe_guc_ct_snapshot_capture()
1250 		snapshot->g2h_outstanding = READ_ONCE(ct->g2h_outstanding);  in xe_guc_ct_snapshot_capture()
1252 					 &snapshot->h2g, atomic);  in xe_guc_ct_snapshot_capture()
1254 					 &snapshot->g2h, atomic);  in xe_guc_ct_snapshot_capture()
1257 	return snapshot;  in xe_guc_ct_snapshot_capture()
1261  * xe_guc_ct_snapshot_print - Print out a given GuC CT snapshot.
1262  * @snapshot: GuC CT snapshot object.
1265  * This function prints out a given GuC CT snapshot object.
1267 void xe_guc_ct_snapshot_print(struct xe_guc_ct_snapshot *snapshot,  in xe_guc_ct_snapshot_print()  argument
1270 	if (!snapshot)  in xe_guc_ct_snapshot_print()
1273 	if (snapshot->ct_enabled) {  in xe_guc_ct_snapshot_print()
1275 		guc_ctb_snapshot_print(&snapshot->h2g, p);  in xe_guc_ct_snapshot_print()
1278 		guc_ctb_snapshot_print(&snapshot->g2h, p);  in xe_guc_ct_snapshot_print()
1281 			   snapshot->g2h_outstanding);  in xe_guc_ct_snapshot_print()
1288  * xe_guc_ct_snapshot_free - Free all allocated objects for a given snapshot.
1289  * @snapshot: GuC CT snapshot object.
1294 void xe_guc_ct_snapshot_free(struct xe_guc_ct_snapshot *snapshot)  in xe_guc_ct_snapshot_free()  argument
1296 	if (!snapshot)  in xe_guc_ct_snapshot_free()
1299 	guc_ctb_snapshot_free(&snapshot->h2g);  in xe_guc_ct_snapshot_free()
1300 	guc_ctb_snapshot_free(&snapshot->g2h);  in xe_guc_ct_snapshot_free()
1301 	kfree(snapshot);  in xe_guc_ct_snapshot_free()
1311  * This function quickly capture a snapshot and immediately print it out.
1315 	struct xe_guc_ct_snapshot *snapshot;  in xe_guc_ct_print()  local
1317 	snapshot = xe_guc_ct_snapshot_capture(ct, atomic);  in xe_guc_ct_print()
1318 	xe_guc_ct_snapshot_print(snapshot, p);  in xe_guc_ct_print()
1319 	xe_guc_ct_snapshot_free(snapshot);  in xe_guc_ct_print()