xref: /src/sys/arch/sbmips/include/intr.h

/* $NetBSD: intr.h,v 1.7.10.2 2008/01/09 01:48:40 matt Exp $ */

/*
 * Copyright 2000, 2001
 * Broadcom Corporation. All rights reserved.
 *
 * This software is furnished under license and may be used and copied only
 * in accordance with the following terms and conditions.  Subject to these
 * conditions, you may download, copy, install, use, modify and distribute
 * modified or unmodified copies of this software in source and/or binary
 * form. No title or ownership is transferred hereby.
 *
 * 1) Any source code used, modified or distributed must reproduce and
 *    retain this copyright notice and list of conditions as they appear in
 *    the source file.
 *
 * 2) No right is granted to use any trade name, trademark, or logo of
 *    Broadcom Corporation.  The "Broadcom Corporation" name may not be
 *    used to endorse or promote products derived from this software
 *    without the prior written permission of Broadcom Corporation.
 *
 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
 *    WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
 *    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 *    NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
 *    FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
 *    LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 *    OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SBMIPS_INTR_H_
#define	_SBMIPS_INTR_H_

#include <machine/systemsw.h>
#include <mips/locore.h>

/* Interrupt levels */
#define	IPL_NONE	0
#define	IPL_SOFTCLOCK	1	/* clock software interrupts */
#define	IPL_SOFTBIO	1	/* bio software interrupts */
#define	IPL_SOFTNET	2	/* network software interrupts */
#define	IPL_SOFTSERIAL	2	/* serial software interrupts */
#define	IPL_VM		3
#define	IPL_SCHED	4
#define	IPL_HIGH	5

#define	_NIPL		6

#define	_IMR_SOFT	(MIPS_SOFT_INT_MASK_0 | MIPS_SOFT_INT_MASK_1)
#define	_IMR_VM		(_IMR_SOFT | MIPS_INT_MASK_0)
#define	_IMR_SCHED	(_IMR_VM | MIPS_INT_MASK_1 | MIPS_INT_MASK_5)
#define	_IMR_HIGH	(MIPS_INT_MASK)

#define	splsoftclock()		_splraise(MIPS_SOFT_INT_MASK_0)
#define	splsoftbio()		_splraise(MIPS_SOFT_INT_MASK_0)
#define	splsoftnet()		_splraise(MIPS_SOFT_INT_MASK_1)
#define	splsoftserial()		_splraise(MIPS_SOFT_INT_MASK_1)
#define	splvm()			_splraise(_IMR_VM)
#define	splsched()		_splraise(_IMR_SCHED)
#define	splhigh()		_splraise(_IMR_HIGH)

#define	spl0()			_spllower(0)
#define	splx(s)			_splset(s)

typedef int ipl_t;
typedef struct {
	ipl_t _spl;
} ipl_cookie_t;

ipl_cookie_t makeiplcookie(ipl_t);

static inline int
splraiseipl(ipl_cookie_t icookie)
{

	return _splraise(icookie._spl);
}

#endif /* _SBMIPS_INTR_H_ */