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1/* smi.h
2 * Prototypes for generic SMI handling routines
3 * NetWatch system management mode administration console
4 *
5 * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
6 * This program is free software; you can redistribute and/or modify it under
7 * the terms found in the file LICENSE in the root of this source tree.
8 *
9 */
10
11#ifndef SMI_H
12#define SMI_H
13
14extern void smi_disable(); /* akin to cli / sti */
15extern void smi_enable();
16
17extern void smi_poll();
18extern unsigned long smi_status(); /* Architecturally defined; for debugging only. */
19
20typedef enum {
21 SMI_EVENT_FAST_TIMER = 0,
22 SMI_EVENT_DEVTRAP_KBC,
23 SMI_EVENT_GBL_RLS,
24 SMI_EVENT_PWRBTN,
25 SMI_EVENT_MAX
26} smi_event_t;
27
28
29typedef void (*smi_handler_t)(smi_event_t);
30
31#define SMI_HANDLER_NONE ((smi_handler_t)0)
32#define SMI_HANDLER_IGNORE ((smi_handler_t)-1)
33
34extern int smi_register_handler(smi_event_t ev, smi_handler_t hnd);
35extern int smi_enable_event(smi_event_t ev);
36extern int smi_disable_event(smi_event_t ev);
37
38#endif
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