21 acpi_ds_result_stack_push(struct acpi_walk_state *walk_state);
22 static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state);
39 		   struct acpi_walk_state *walk_state)  in acpi_ds_result_pop()  argument
47 	state = walk_state->results;  in acpi_ds_result_pop()
51 	if (state && !walk_state->result_count) {  in acpi_ds_result_pop()
56 	if (!state && walk_state->result_count) {  in acpi_ds_result_pop()
65 			    walk_state));  in acpi_ds_result_pop()
71 	walk_state->result_count--;  in acpi_ds_result_pop()
72 	index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;  in acpi_ds_result_pop()
78 			    walk_state));  in acpi_ds_result_pop()
84 		status = acpi_ds_result_stack_pop(walk_state);  in acpi_ds_result_pop()
93 			  index, walk_state, walk_state->result_count));  in acpi_ds_result_pop()
113 		    struct acpi_walk_state *walk_state)  in acpi_ds_result_push()  argument
121 	if (walk_state->result_count > walk_state->result_size) {  in acpi_ds_result_push()
124 	} else if (walk_state->result_count == walk_state->result_size) {  in acpi_ds_result_push()
128 		status = acpi_ds_result_stack_push(walk_state);  in acpi_ds_result_push()
136 	if (!(walk_state->result_count < walk_state->result_size)) {  in acpi_ds_result_push()
141 	state = walk_state->results;  in acpi_ds_result_push()
150 			    object, walk_state, walk_state->result_count));  in acpi_ds_result_push()
156 	index = (u32)walk_state->result_count % ACPI_RESULTS_FRAME_OBJ_NUM;  in acpi_ds_result_push()
158 	walk_state->result_count++;  in acpi_ds_result_push()
164 						       object), walk_state,  in acpi_ds_result_push()
165 			  walk_state->result_count,  in acpi_ds_result_push()
166 			  walk_state->current_result));  in acpi_ds_result_push()
183 static acpi_status acpi_ds_result_stack_push(struct acpi_walk_state *walk_state)  in acpi_ds_result_stack_push()  argument
191 	if (((u32) walk_state->result_size + ACPI_RESULTS_FRAME_OBJ_NUM) >  in acpi_ds_result_stack_push()
194 			    walk_state, walk_state->result_size));  in acpi_ds_result_stack_push()
204 	acpi_ut_push_generic_state(&walk_state->results, state);  in acpi_ds_result_stack_push()
208 	walk_state->result_size += ACPI_RESULTS_FRAME_OBJ_NUM;  in acpi_ds_result_stack_push()
211 			  state, walk_state));  in acpi_ds_result_stack_push()
228 static acpi_status acpi_ds_result_stack_pop(struct acpi_walk_state *walk_state)  in acpi_ds_result_stack_pop()  argument
236 	if (walk_state->results == NULL) {  in acpi_ds_result_stack_pop()
239 				  walk_state));  in acpi_ds_result_stack_pop()
243 	if (walk_state->result_size < ACPI_RESULTS_FRAME_OBJ_NUM) {  in acpi_ds_result_stack_pop()
248 	state = acpi_ut_pop_generic_state(&walk_state->results);  in acpi_ds_result_stack_pop()
253 	walk_state->result_size -= ACPI_RESULTS_FRAME_OBJ_NUM;  in acpi_ds_result_stack_pop()
257 			  state, walk_state->result_count, walk_state));  in acpi_ds_result_stack_pop()
276 acpi_ds_obj_stack_push(void *object, struct acpi_walk_state *walk_state)  in acpi_ds_obj_stack_push()  argument
282 	if (walk_state->num_operands >= ACPI_OBJ_NUM_OPERANDS) {  in acpi_ds_obj_stack_push()
285 			    object, walk_state, walk_state->num_operands));  in acpi_ds_obj_stack_push()
291 	walk_state->operands[walk_state->operand_index] = object;  in acpi_ds_obj_stack_push()
292 	walk_state->num_operands++;  in acpi_ds_obj_stack_push()
296 	walk_state->operand_index++;  in acpi_ds_obj_stack_push()
302 						       object), walk_state,  in acpi_ds_obj_stack_push()
303 			  walk_state->num_operands));  in acpi_ds_obj_stack_push()
323 acpi_ds_obj_stack_pop(u32 pop_count, struct acpi_walk_state *walk_state)  in acpi_ds_obj_stack_pop()  argument
333 		if (walk_state->num_operands == 0) {  in acpi_ds_obj_stack_pop()
336 				    pop_count, walk_state,  in acpi_ds_obj_stack_pop()
337 				    walk_state->num_operands));  in acpi_ds_obj_stack_pop()
343 		walk_state->num_operands--;  in acpi_ds_obj_stack_pop()
344 		walk_state->operands[walk_state->num_operands] = NULL;  in acpi_ds_obj_stack_pop()
348 			  pop_count, walk_state, walk_state->num_operands));  in acpi_ds_obj_stack_pop()
369 				 struct acpi_walk_state *walk_state)  in acpi_ds_obj_stack_pop_and_delete()  argument
381 		if (walk_state->num_operands == 0) {  in acpi_ds_obj_stack_pop_and_delete()
387 		walk_state->num_operands--;  in acpi_ds_obj_stack_pop_and_delete()
388 		obj_desc = walk_state->operands[i];  in acpi_ds_obj_stack_pop_and_delete()
390 			acpi_ut_remove_reference(walk_state->operands[i]);  in acpi_ds_obj_stack_pop_and_delete()
391 			walk_state->operands[i] = NULL;  in acpi_ds_obj_stack_pop_and_delete()
396 			  pop_count, walk_state, walk_state->num_operands));  in acpi_ds_obj_stack_pop_and_delete()
441 acpi_ds_push_walk_state(struct acpi_walk_state *walk_state,  in acpi_ds_push_walk_state()  argument
446 	walk_state->next = thread->walk_state_list;  in acpi_ds_push_walk_state()
447 	thread->walk_state_list = walk_state;  in acpi_ds_push_walk_state()
468 	struct acpi_walk_state *walk_state;  in acpi_ds_pop_walk_state()  local
472 	walk_state = thread->walk_state_list;  in acpi_ds_pop_walk_state()
474 	if (walk_state) {  in acpi_ds_pop_walk_state()
478 		thread->walk_state_list = walk_state->next;  in acpi_ds_pop_walk_state()
487 	return_PTR(walk_state);  in acpi_ds_pop_walk_state()
514 	struct acpi_walk_state *walk_state;  in acpi_ds_create_walk_state()  local
518 	walk_state = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_walk_state));  in acpi_ds_create_walk_state()
519 	if (!walk_state) {  in acpi_ds_create_walk_state()
523 	walk_state->descriptor_type = ACPI_DESC_TYPE_WALK;  in acpi_ds_create_walk_state()
524 	walk_state->method_desc = method_desc;  in acpi_ds_create_walk_state()
525 	walk_state->owner_id = owner_id;  in acpi_ds_create_walk_state()
526 	walk_state->origin = origin;  in acpi_ds_create_walk_state()
527 	walk_state->thread = thread;  in acpi_ds_create_walk_state()
529 	walk_state->parser_state.start_op = origin;  in acpi_ds_create_walk_state()
534 	acpi_ds_method_data_init(walk_state);  in acpi_ds_create_walk_state()
540 		acpi_ds_push_walk_state(walk_state, thread);  in acpi_ds_create_walk_state()
543 	return_PTR(walk_state);  in acpi_ds_create_walk_state()
565 acpi_ds_init_aml_walk(struct acpi_walk_state *walk_state,  in acpi_ds_init_aml_walk()  argument
573 	struct acpi_parse_state *parser_state = &walk_state->parser_state;  in acpi_ds_init_aml_walk()
578 	walk_state->parser_state.aml =  in acpi_ds_init_aml_walk()
579 	    walk_state->parser_state.aml_start = aml_start;  in acpi_ds_init_aml_walk()
580 	walk_state->parser_state.aml_end =  in acpi_ds_init_aml_walk()
581 	    walk_state->parser_state.pkg_end = aml_start + aml_length;  in acpi_ds_init_aml_walk()
585 	walk_state->next_op = NULL;  in acpi_ds_init_aml_walk()
586 	walk_state->pass_number = pass_number;  in acpi_ds_init_aml_walk()
589 		walk_state->params = info->parameters;  in acpi_ds_init_aml_walk()
590 		walk_state->caller_return_desc = &info->return_object;  in acpi_ds_init_aml_walk()
593 	status = acpi_ps_init_scope(&walk_state->parser_state, op);  in acpi_ds_init_aml_walk()
599 		walk_state->parser_state.start_node = method_node;  in acpi_ds_init_aml_walk()
600 		walk_state->walk_type = ACPI_WALK_METHOD;  in acpi_ds_init_aml_walk()
601 		walk_state->method_node = method_node;  in acpi_ds_init_aml_walk()
602 		walk_state->method_desc =  in acpi_ds_init_aml_walk()
609 					     walk_state);  in acpi_ds_init_aml_walk()
616 		status = acpi_ds_method_data_init_args(walk_state->params,  in acpi_ds_init_aml_walk()
618 						       walk_state);  in acpi_ds_init_aml_walk()
647 						     type, walk_state);  in acpi_ds_init_aml_walk()
654 	status = acpi_ds_init_callbacks(walk_state, pass_number);  in acpi_ds_init_aml_walk()
670 void acpi_ds_delete_walk_state(struct acpi_walk_state *walk_state)  in acpi_ds_delete_walk_state()  argument
674 	ACPI_FUNCTION_TRACE_PTR(ds_delete_walk_state, walk_state);  in acpi_ds_delete_walk_state()
676 	if (!walk_state) {  in acpi_ds_delete_walk_state()
680 	if (walk_state->descriptor_type != ACPI_DESC_TYPE_WALK) {  in acpi_ds_delete_walk_state()
682 			    walk_state));  in acpi_ds_delete_walk_state()
688 	if (walk_state->parser_state.scope) {  in acpi_ds_delete_walk_state()
690 			    walk_state));  in acpi_ds_delete_walk_state()
691 		acpi_ps_cleanup_scope(&walk_state->parser_state);  in acpi_ds_delete_walk_state()
696 	while (walk_state->control_state) {  in acpi_ds_delete_walk_state()
697 		state = walk_state->control_state;  in acpi_ds_delete_walk_state()
698 		walk_state->control_state = state->common.next;  in acpi_ds_delete_walk_state()
705 	while (walk_state->scope_info) {  in acpi_ds_delete_walk_state()
706 		state = walk_state->scope_info;  in acpi_ds_delete_walk_state()
707 		walk_state->scope_info = state->common.next;  in acpi_ds_delete_walk_state()
714 	while (walk_state->results) {  in acpi_ds_delete_walk_state()
715 		state = walk_state->results;  in acpi_ds_delete_walk_state()
716 		walk_state->results = state->common.next;  in acpi_ds_delete_walk_state()
721 	ACPI_FREE(walk_state);  in acpi_ds_delete_walk_state()