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https://github.com/xen-project/xen.git
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kaf24@freefall.cl.cam.ac.uk
908871cf62
Rename Xen public interfaces.
1. hypervisor-if.h is now xen.h
2. hypervisor-ifs/ directory is now:
<include/public/...> in Xen
<asm/xen-public/...> in Linux
<xen/...> in user space
54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
/* -*- Mode:C; c-basic-offset:4; tab-width:4 -*-
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****************************************************************************
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* (C) 2003 - Rolf Neugebauer - Intel Research Cambridge
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****************************************************************************
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*
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* File: events.h
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* Author: Rolf Neugebauer (neugebar@dcs.gla.ac.uk)
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* Changes:
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*
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* Date: Jul 2003
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*
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* Environment: Xen Minimal OS
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* Description: deal with events
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*
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****************************************************************************
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* $Id: h-insert.h,v 1.4 2002/11/08 16:03:55 rn Exp $
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****************************************************************************
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*/
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#ifndef _EVENTS_H_
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#define _EVENTS_H_
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/* _EVENT_* are defined in xen-public/xen.h */
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#define EV_BLKDEV _EVENT_BLKDEV
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#define EV_TIMER _EVENT_TIMER
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#define EV_DIE _EVENT_DIE
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#define EV_DEBUG _EVENT_DEBUG
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#define EV_NET _EVENT_NET
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#define EV_PS2 _EVENT_PS2
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#define NR_EVS (sizeof(HYPERVISOR_shared_info->events) * 8)
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/* ev handler status */
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#define EVS_INPROGRESS 1 /* Event handler active - do not enter! */
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#define EVS_DISABLED 2 /* Event disabled - do not enter! */
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#define EVS_PENDING 4 /* Event pending - replay on enable */
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#define EVS_REPLAY 8 /* Event has been replayed but not acked yet */
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/* this represents a event handler. Chaining or sharing is not allowed */
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typedef struct _ev_action_t {
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void (*handler)(int, struct pt_regs *);
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unsigned int status; /* IRQ status */
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u32 count;
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} ev_action_t;
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/* prototypes */
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unsigned int do_event(int ev, struct pt_regs *regs);
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unsigned int add_ev_action( int ev, void (*handler)(int, struct pt_regs *) );
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unsigned int enable_ev_action( int ev );
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unsigned int disable_ev_action( int ev );
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void init_events(void);
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#endif /* _EVENTS_H_ */
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