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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2014 Pluribus Networks Inc.
* Copyright 2018 Joyent, Inc.
* Copyright 2020 Oxide Computer Company
*/
#ifndef _COMPAT_FREEBSD_SYS_CALLOUT_H_
#define _COMPAT_FREEBSD_SYS_CALLOUT_H_
#include <sys/cyclic.h>
struct callout {
cyclic_id_t c_cyc_id;
hrtime_t c_target;
hrtime_t c_fired;
void (*c_func)(void *);
void *c_arg;
};
#define C_ABSOLUTE 0x0200 /* event time is absolute. */
/* Callout considered active if t_target has not been zeroed */
#define callout_active(c) ((c)->c_target != 0)
#define callout_deactivate(c) ((c)->c_target = 0)
/*
* If a callout is rescheduled (into the future) while its handler is running,
* it will be able to detect the pending invocation by the target time being
* greater than the time at which the handler was fired.
*
* This is only valid when checked from the callout handler, which is the only
* place where it is used by bhyve today.
*/
#define callout_pending(c) ((c)->c_target > (c)->c_fired)
void vmm_glue_callout_init(struct callout *c, int mpsafe);
int vmm_glue_callout_reset_sbt(struct callout *c, sbintime_t sbt,
sbintime_t pr, void (*func)(void *), void *arg, int flags);
int vmm_glue_callout_stop(struct callout *c);
int vmm_glue_callout_drain(struct callout *c);
/* illumos-custom function for resource locality optimization */
void vmm_glue_callout_localize(struct callout *c);
static __inline void
callout_init(struct callout *c, int mpsafe)
{
vmm_glue_callout_init(c, mpsafe);
}
static __inline int
callout_stop(struct callout *c)
{
return (vmm_glue_callout_stop(c));
}
static __inline int
callout_drain(struct callout *c)
{
return (vmm_glue_callout_drain(c));
}
static __inline int
callout_reset_sbt(struct callout *c, sbintime_t sbt, sbintime_t pr,
void (*func)(void *), void *arg, int flags)
{
return (vmm_glue_callout_reset_sbt(c, sbt, pr, func, arg, flags));
}
#endif /* _COMPAT_FREEBSD_SYS_CALLOUT_H_ */
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