| | 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 | |
| | 14 | extern void smi_disable(); /* akin to cli / sti */ |
| | 15 | extern void smi_enable(); |
| | 16 | |
| | 17 | extern void smi_poll(); |
| | 18 | extern unsigned long smi_status(); /* Architecturally defined; for debugging only. */ |
| | 19 | |
| | 20 | typedef enum { |
| | 21 | SMI_EVENT_FAST_TIMER = 0, |
| | 22 | SMI_EVENT_DEVTRAP_KBC, |
| | 23 | SMI_EVENT_GBL_RLS, |
| | 24 | SMI_EVENT_MAX |
| | 25 | } smi_event_t; |
| | 26 | |
| | 27 | |
| | 28 | typedef void (*smi_handler_t)(smi_event_t); |
| | 29 | |
| | 30 | #define SMI_HANDLER_NONE ((smi_handler_t)0) |
| | 31 | #define SMI_HANDLER_IGNORE ((smi_handler_t)-1) |
| | 32 | |
| | 33 | extern int smi_register_handler(smi_event_t ev, smi_handler_t hnd); |
| | 34 | extern int smi_enable_event(smi_event_t ev); |
| | 35 | extern int smi_disable_event(smi_event_t ev); |
| | 36 | |
| | 37 | #endif |
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