include/linux/edac.h

   1 /*
   2  * Generic EDAC defs
   3  *
   4  * Author: Dave Jiang <djiang@mvista.com>
   5  *
   6  * 2006-2008 (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 #ifndef _LINUX_EDAC_H_
  13 #define _LINUX_EDAC_H_
  14
  15 #include <asm/atomic.h>
  16 #include <linux/sysdev.h>
  17
  18 #define EDAC_OPSTATE_INVAL      -1
  19 #define EDAC_OPSTATE_POLL       0
  20 #define EDAC_OPSTATE_NMI        1
  21 #define EDAC_OPSTATE_INT        2
  22
  23 extern int edac_op_state;
  24 extern int edac_err_assert;
  25 extern atomic_t edac_handlers;
  26 extern struct sysdev_class edac_class;
  27
  28 extern int edac_handler_set(void);
  29 extern void edac_atomic_assert_error(void);
  30 extern struct sysdev_class *edac_get_sysfs_class(void);
  31 extern void edac_put_sysfs_class(void);
  32
  33 static inline void opstate_init(void)
  34 {
  35         switch (edac_op_state) {
  36         case EDAC_OPSTATE_POLL:
  37         case EDAC_OPSTATE_NMI:
  38                 break;
  39         default:
  40                 edac_op_state = EDAC_OPSTATE_POLL;
  41         }
  42         return;
  43 }
  44
  45 #endif