24 static struct acpi_subtable_header *fetch_pptt_subtable(struct acpi_table_header *table_hdr,  in fetch_pptt_subtable()  argument
33 	if (pptt_ref + sizeof(struct acpi_subtable_header) > table_hdr->length)  in fetch_pptt_subtable()
36 	entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr, pptt_ref);  in fetch_pptt_subtable()
41 	if (pptt_ref + entry->length > table_hdr->length)  in fetch_pptt_subtable()
47 static struct acpi_pptt_processor *fetch_pptt_node(struct acpi_table_header *table_hdr,  in fetch_pptt_node()  argument
50 	return (struct acpi_pptt_processor *)fetch_pptt_subtable(table_hdr, pptt_ref);  in fetch_pptt_node()
53 static struct acpi_pptt_cache *fetch_pptt_cache(struct acpi_table_header *table_hdr,  in fetch_pptt_cache()  argument
56 	return (struct acpi_pptt_cache *)fetch_pptt_subtable(table_hdr, pptt_ref);  in fetch_pptt_cache()
59 static struct acpi_subtable_header *acpi_get_pptt_resource(struct acpi_table_header *table_hdr,  in acpi_get_pptt_resource()  argument
71 	return fetch_pptt_subtable(table_hdr, *ref);  in acpi_get_pptt_resource()
101 static unsigned int acpi_pptt_walk_cache(struct acpi_table_header *table_hdr,  in acpi_pptt_walk_cache()  argument
130 		cache = fetch_pptt_cache(table_hdr, cache->next_level_of_cache);  in acpi_pptt_walk_cache()
136 acpi_find_cache_level(struct acpi_table_header *table_hdr,  in acpi_find_cache_level()  argument
148 	while ((res = acpi_get_pptt_resource(table_hdr, cpu_node, resource))) {  in acpi_find_cache_level()
151 		local_level = acpi_pptt_walk_cache(table_hdr, *starting_level,  in acpi_find_cache_level()
180 static int acpi_count_levels(struct acpi_table_header *table_hdr,  in acpi_count_levels()  argument
186 		acpi_find_cache_level(table_hdr, cpu_node, &total_levels, 0, 0);  in acpi_count_levels()
187 		cpu_node = fetch_pptt_node(table_hdr, cpu_node->parent);  in acpi_count_levels()
204 static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr,  in acpi_pptt_leaf_node()  argument
213 	if (table_hdr->revision > 1)  in acpi_pptt_leaf_node()
216 	table_end = (unsigned long)table_hdr + table_hdr->length;  in acpi_pptt_leaf_node()
217 	node_entry = ACPI_PTR_DIFF(node, table_hdr);  in acpi_pptt_leaf_node()
218 	entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,  in acpi_pptt_leaf_node()
250 static struct acpi_pptt_processor *acpi_find_processor_node(struct acpi_table_header *table_hdr,  in acpi_find_processor_node()  argument
258 	table_end = (unsigned long)table_hdr + table_hdr->length;  in acpi_find_processor_node()
259 	entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,  in acpi_find_processor_node()
273 		     acpi_pptt_leaf_node(table_hdr, cpu_node)) {  in acpi_find_processor_node()
284 static int acpi_find_cache_levels(struct acpi_table_header *table_hdr,  in acpi_find_cache_levels()  argument
290 	cpu = acpi_find_processor_node(table_hdr, acpi_cpu_id);  in acpi_find_cache_levels()
292 		number_of_levels = acpi_count_levels(table_hdr, cpu);  in acpi_find_cache_levels()
319 static struct acpi_pptt_cache *acpi_find_cache_node(struct acpi_table_header *table_hdr,  in acpi_find_cache_node()  argument
333 	cpu_node = acpi_find_processor_node(table_hdr, acpi_cpu_id);  in acpi_find_cache_node()
336 		found = acpi_find_cache_level(table_hdr, cpu_node,  in acpi_find_cache_node()
339 		cpu_node = fetch_pptt_node(table_hdr, cpu_node->parent);  in acpi_find_cache_node()
436 static bool flag_identical(struct acpi_table_header *table_hdr,  in flag_identical()  argument
442 	if (table_hdr->revision < 2)  in flag_identical()
447 		next = fetch_pptt_node(table_hdr, cpu->parent);  in flag_identical()
458 static struct acpi_pptt_processor *acpi_find_processor_tag(struct acpi_table_header *table_hdr,  in acpi_find_processor_tag()  argument
467 			if (flag_identical(table_hdr, cpu))  in acpi_find_processor_tag()
472 		prev_node = fetch_pptt_node(table_hdr, cpu->parent);  in acpi_find_processor_tag()