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/*
* Copyright (c) Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
#define CPU_NINTS 64
#define NIPL 12
#define IPL_NONE 0
#define IPL_SOFTCLOCK 1
#define IPL_SOFTNET 2
#define IPL_BIO 3
#define IPL_NET 4
#define IPL_SOFTTTY 5
#define IPL_TTY 6
#define IPL_VM 7
#define IPL_AUDIO 8
#define IPL_CLOCK 9
#define IPL_STATCLOCK 10
#define IPL_SCHED 10
#define IPL_HIGH 10
#define IPL_IPI 11
#define IST_NONE 0
#define IST_PULSE 1
#define IST_EDGE 2
#define IST_LEVEL 3
#define SOFTINT_MASK ((1 << (IPL_SOFTCLOCK - 1)) | \
(1 << (IPL_SOFTNET - 1)) | (1 << (IPL_SOFTTTY - 1)))
#if !defined(_LOCORE) && defined(_KERNEL)
#define softintr(mask) atomic_setbits_long(&curcpu()->ci_ipending, mask)
void cpu_intr_init(void);
void cpu_intr(void *);
void *softintr_establish(int, void (*)(void *), void *);
void softintr_disestablish(void *);
void softintr_schedule(void *);
int splraise(int cpl);
int spllower(int cpl);
#define splsoftclock() splraise(IPL_SOFTCLOCK)
#define splsoftnet() splraise(IPL_SOFTNET)
#define splbio() splraise(IPL_BIO)
#define splnet() splraise(IPL_NET)
#define splsofttty() splraise(IPL_SOFTTTY)
#define spltty() splraise(IPL_TTY)
#define splvm() splraise(IPL_VM)
#define splaudio() splraise(IPL_AUDIO)
#define splclock() splraise(IPL_CLOCK)
#define splsched() splraise(IPL_SCHED)
#define splstatclock() splraise(IPL_STATCLOCK)
#define splhigh() splraise(IPL_HIGH)
#define spl0() spllower(IPL_NONE)
#define splx(c) spllower(c)
#define setsoftast() (astpending = 1)
#ifdef DIAGNOSTIC
extern int splassert_ctl;
void splassert_fail(int, int, const char *);
void splassert_check(int, const char *);
#define splassert(__wantipl) do { \
if (splassert_ctl > 0) { \
splassert_check(__wantipl, __func__); \
} \
} while (0)
#define splsoftassert(__wantipl) splassert(__wantipl)
#else
#define splassert(__wantipl) do { /* nada */ } while (0)
#define splsoftassert(__wantipl) do { /* nada */ } while (0)
#endif /* DIAGNOSTIC */
#endif
#endif
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