linux/drivers/xen/events/events_internal.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Xen Event Channels (internal header)
 *
 * Copyright (C) 2013 Citrix Systems R&D Ltd.
 */
#ifndef __EVENTS_INTERNAL_H__
#define __EVENTS_INTERNAL_H__

struct evtchn_loop_ctrl;

struct evtchn_ops { … };

extern const struct evtchn_ops *evtchn_ops;

void handle_irq_for_port(evtchn_port_t port, struct evtchn_loop_ctrl *ctrl);

unsigned int cpu_from_evtchn(evtchn_port_t evtchn);

static inline unsigned xen_evtchn_max_channels(void)
{ … }

/*
 * Do any ABI specific setup for a bound event channel before it can
 * be unmasked and used.
 */
static inline int xen_evtchn_port_setup(evtchn_port_t evtchn)
{ … }

static inline void xen_evtchn_port_remove(evtchn_port_t evtchn,
					  unsigned int cpu)
{ … }

static inline void xen_evtchn_port_bind_to_cpu(evtchn_port_t evtchn,
					       unsigned int cpu,
					       unsigned int old_cpu)
{ … }

static inline void clear_evtchn(evtchn_port_t port)
{ … }

static inline void set_evtchn(evtchn_port_t port)
{ … }

static inline bool test_evtchn(evtchn_port_t port)
{ … }

static inline void mask_evtchn(evtchn_port_t port)
{ … }

static inline void unmask_evtchn(evtchn_port_t port)
{ … }

static inline void xen_evtchn_handle_events(unsigned cpu,
					    struct evtchn_loop_ctrl *ctrl)
{ … }

static inline void xen_evtchn_resume(void)
{ … }

void xen_evtchn_2l_init(void);
int xen_evtchn_fifo_init(void);

#endif /* #ifndef __EVENTS_INTERNAL_H__ */