edac_stub.c revision fb3fb2068775a1363265edc00870aa5e2f0e3631
1c0d121720220584bba2876b032e58a076b843fa1Dave Jiang/* 2c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * common EDAC components that must be in kernel 3c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * 4c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * Author: Dave Jiang <djiang@mvista.com> 5c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * 6c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * 2007 (c) MontaVista Software, Inc. This file is licensed under 7c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * the terms of the GNU General Public License version 2. This program 8c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * is licensed "as is" without any warranty of any kind, whether express 9c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * or implied. 10c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * 11c0d121720220584bba2876b032e58a076b843fa1Dave Jiang */ 12c0d121720220584bba2876b032e58a076b843fa1Dave Jiang#include <linux/module.h> 13c0d121720220584bba2876b032e58a076b843fa1Dave Jiang#include <linux/edac.h> 14c0d121720220584bba2876b032e58a076b843fa1Dave Jiang#include <asm/atomic.h> 15c0d121720220584bba2876b032e58a076b843fa1Dave Jiang#include <asm/edac.h> 16c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 17c0d121720220584bba2876b032e58a076b843fa1Dave Jiangint edac_op_state = EDAC_OPSTATE_INVAL; 18fb3fb2068775a1363265edc00870aa5e2f0e3631Doug ThompsonEXPORT_SYMBOL_GPL(edac_op_state); 19c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 20c0d121720220584bba2876b032e58a076b843fa1Dave Jiangatomic_t edac_handlers = ATOMIC_INIT(0); 21fb3fb2068775a1363265edc00870aa5e2f0e3631Doug ThompsonEXPORT_SYMBOL_GPL(edac_handlers); 22c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 2366ee2f940ac8ab25f0c43a1e717d25dc46bfe74dDave Jiangint edac_err_assert = 0; 24fb3fb2068775a1363265edc00870aa5e2f0e3631Doug ThompsonEXPORT_SYMBOL_GPL(edac_err_assert); 25c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 26fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompson/* 27fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompson * called to determine if there is an EDAC driver interested in 28fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompson * knowing an event (such as NMI) occurred 29fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompson */ 30fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompsonint edac_handler_set(void) 31c0d121720220584bba2876b032e58a076b843fa1Dave Jiang{ 32c0d121720220584bba2876b032e58a076b843fa1Dave Jiang if (edac_op_state == EDAC_OPSTATE_POLL) 33c0d121720220584bba2876b032e58a076b843fa1Dave Jiang return 0; 34c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 35c0d121720220584bba2876b032e58a076b843fa1Dave Jiang return atomic_read(&edac_handlers); 36c0d121720220584bba2876b032e58a076b843fa1Dave Jiang} 37fb3fb2068775a1363265edc00870aa5e2f0e3631Doug ThompsonEXPORT_SYMBOL_GPL(edac_handler_set); 38c0d121720220584bba2876b032e58a076b843fa1Dave Jiang 39c0d121720220584bba2876b032e58a076b843fa1Dave Jiang/* 40c0d121720220584bba2876b032e58a076b843fa1Dave Jiang * handler for NMI type of interrupts to assert error 41c0d121720220584bba2876b032e58a076b843fa1Dave Jiang */ 42fb3fb2068775a1363265edc00870aa5e2f0e3631Doug Thompsonvoid edac_atomic_assert_error(void) 43c0d121720220584bba2876b032e58a076b843fa1Dave Jiang{ 4466ee2f940ac8ab25f0c43a1e717d25dc46bfe74dDave Jiang edac_err_assert++; 45c0d121720220584bba2876b032e58a076b843fa1Dave Jiang} 46fb3fb2068775a1363265edc00870aa5e2f0e3631Doug ThompsonEXPORT_SYMBOL_GPL(edac_atomic_assert_error); 47