/* * MIPS cacheinfo support * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed "as is" WITHOUT ANY WARRANTY of any * kind, whether express or implied; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program.  If not, see <http://www.gnu.org/licenses/>. */#include <linux/cacheinfo.h> /* Populates leaf and increments to next leaf */#define populate_cache(cache, leaf, c_level, c_type)		\do {								\	leaf->type = c_type;					\	leaf->level = c_level;					\	leaf->coherency_line_size = c->cache.linesz;		\	leaf->number_of_sets = c->cache.sets;			\	leaf->ways_of_associativity = c->cache.ways;		\	leaf->size = c->cache.linesz * c->cache.sets *		\		c->cache.ways;					\	leaf++;							\} while (0) static int __init_cache_level(unsigned int cpu){	struct cpuinfo_mips *c = &current_cpu_data;	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);	int levels = 0, leaves = 0; 	/*	 * If Dcache is not set, we assume the cache structures	 * are not properly initialized.	 */	if (c->dcache.waysize)		levels += 1;	else		return -ENOENT;  	leaves += (c->icache.waysize) ? 2 : 1; 	if (c->scache.waysize) {		levels++;		leaves++;	} 	if (c->tcache.waysize) {		levels++;		leaves++;	} 	this_cpu_ci->num_levels = levels;	this_cpu_ci->num_leaves = leaves;	return 0;} static int __populate_cache_leaves(unsigned int cpu){	struct cpuinfo_mips *c = &current_cpu_data;	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);	struct cacheinfo *this_leaf = this_cpu_ci->info_list; 	if (c->icache.waysize) {		populate_cache(dcache, this_leaf, 1, CACHE_TYPE_DATA);		populate_cache(icache, this_leaf, 1, CACHE_TYPE_INST);	} else {		populate_cache(dcache, this_leaf, 1, CACHE_TYPE_UNIFIED);	} 	if (c->scache.waysize)		populate_cache(scache, this_leaf, 2, CACHE_TYPE_UNIFIED); 	if (c->tcache.waysize)		populate_cache(tcache, this_leaf, 3, CACHE_TYPE_UNIFIED); 	return 0;} DEFINE_SMP_CALL_CACHE_FUNCTION(init_cache_level)DEFINE_SMP_CALL_CACHE_FUNCTION(populate_cache_leaves)