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Thomas Leonard
b757e8d41f
This allows closing any ports opened by the arch-specific code. ARM will use it for the debug port. Signed-off-by: Thomas Leonard <talex5@gmail.com> Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
60 lines
2.0 KiB
C
60 lines
2.0 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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* (C) 2005 - Grzegorz Milos - Intel Reseach 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: Grzegorz Milos (gm281@cam.ac.uk)
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*
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* Date: Jul 2003, changes Jun 2005
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*
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* Environment: Xen Minimal OS
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* Description: Deals with events on the event channels
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*
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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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#include<mini-os/traps.h>
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#include<xen/event_channel.h>
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typedef void (*evtchn_handler_t)(evtchn_port_t, struct pt_regs *, void *);
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/* prototypes */
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void arch_init_events(void);
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/* Called by fini_events to close any ports opened by arch-specific code. */
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void arch_unbind_ports(void);
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void arch_fini_events(void);
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int do_event(evtchn_port_t port, struct pt_regs *regs);
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evtchn_port_t bind_virq(uint32_t virq, evtchn_handler_t handler, void *data);
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evtchn_port_t bind_pirq(uint32_t pirq, int will_share, evtchn_handler_t handler, void *data);
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evtchn_port_t bind_evtchn(evtchn_port_t port, evtchn_handler_t handler,
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void *data);
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void unbind_evtchn(evtchn_port_t port);
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void init_events(void);
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int evtchn_alloc_unbound(domid_t pal, evtchn_handler_t handler,
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void *data, evtchn_port_t *port);
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int evtchn_bind_interdomain(domid_t pal, evtchn_port_t remote_port,
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evtchn_handler_t handler, void *data,
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evtchn_port_t *local_port);
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int evtchn_get_peercontext(evtchn_port_t local_port, char *ctx, int size);
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void unbind_all_ports(void);
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static inline int notify_remote_via_evtchn(evtchn_port_t port)
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{
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evtchn_send_t op;
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op.port = port;
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return HYPERVISOR_event_channel_op(EVTCHNOP_send, &op);
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}
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void fini_events(void);
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#endif /* _EVENTS_H_ */
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