| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 1 | /* | 
 | 2 |  * common EDAC components that must be in kernel | 
 | 3 |  * | 
 | 4 |  * Author: Dave Jiang <djiang@mvista.com> | 
 | 5 |  * | 
 | 6 |  * 2007 (c) MontaVista Software, Inc. This file is licensed under | 
 | 7 |  * the terms of the GNU General Public License version 2. This program | 
 | 8 |  * is licensed "as is" without any warranty of any kind, whether express | 
 | 9 |  * or implied. | 
 | 10 |  * | 
 | 11 |  */ | 
 | 12 | #include <linux/module.h> | 
 | 13 | #include <linux/edac.h> | 
 | 14 | #include <asm/atomic.h> | 
 | 15 | #include <asm/edac.h> | 
 | 16 |  | 
 | 17 | int edac_op_state = EDAC_OPSTATE_INVAL; | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 18 | EXPORT_SYMBOL_GPL(edac_op_state); | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 19 |  | 
 | 20 | atomic_t edac_handlers = ATOMIC_INIT(0); | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 21 | EXPORT_SYMBOL_GPL(edac_handlers); | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 22 |  | 
| Dave Jiang | 66ee2f9 | 2007-07-19 01:49:54 -0700 | [diff] [blame] | 23 | int edac_err_assert = 0; | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 24 | EXPORT_SYMBOL_GPL(edac_err_assert); | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 25 |  | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 26 | /* | 
 | 27 |  * called to determine if there is an EDAC driver interested in | 
 | 28 |  * knowing an event (such as NMI) occurred | 
 | 29 |  */ | 
 | 30 | int edac_handler_set(void) | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 31 | { | 
 | 32 | 	if (edac_op_state == EDAC_OPSTATE_POLL) | 
 | 33 | 		return 0; | 
 | 34 |  | 
 | 35 | 	return atomic_read(&edac_handlers); | 
 | 36 | } | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 37 | EXPORT_SYMBOL_GPL(edac_handler_set); | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 38 |  | 
 | 39 | /* | 
 | 40 |  * handler for NMI type of interrupts to assert error | 
 | 41 |  */ | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 42 | void edac_atomic_assert_error(void) | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 43 | { | 
| Dave Jiang | 66ee2f9 | 2007-07-19 01:49:54 -0700 | [diff] [blame] | 44 | 	edac_err_assert++; | 
| Dave Jiang | c0d1217 | 2007-07-19 01:49:46 -0700 | [diff] [blame] | 45 | } | 
| Doug Thompson | fb3fb20 | 2007-07-19 01:50:30 -0700 | [diff] [blame] | 46 | EXPORT_SYMBOL_GPL(edac_atomic_assert_error); |