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softint.h revision 1.1 
      1 /*	$NetBSD: softint.h,v 1.1 2011/06/14 22:36:12 matt Exp $	*/
      2 /*-
      3  * Copyright (c) 2010, 2011 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Raytheon BBN Technologies Corp and Defense Advanced Research Projects
      8  * Agency and which was developed by Matt Thomas of 3am Software Foundry.
      9  *
     10  * This material is based upon work supported by the Defense Advanced Research
     11  * Projects Agency and Space and Naval Warfare Systems Center, Pacific, under
     12  * Contract No. N66001-09-C-2073.
     13  * Approved for Public Release, Distribution Unlimited
     14  *
     15  * Redistribution and use in source and binary forms, with or without
     16  * modification, are permitted provided that the following conditions
     17  * are met:
     18  * 1. Redistributions of source code must retain the above copyright
     19  *    notice, this list of conditions and the following disclaimer.
     20  * 2. Redistributions in binary form must reproduce the above copyright
     21  *    notice, this list of conditions and the following disclaimer in the
     22  *    documentation and/or other materials provided with the distribution.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     25  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     26  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     27  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     28  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     34  * POSSIBILITY OF SUCH DAMAGE.
     35  */
     36 
     37 #ifdef __INTR_PRIVATE
     38 #ifndef _POWERPC_SOFTINT_H_
     39 #define _POWERPC_SOFTINT_H_
     40 
     41 #include <sys/intr.h>
     42 
     43 #ifdef __HAVE_FAST_SOFTINTS
     44 
     45 #ifdef __HAVE_PREEMPTION
     46 #define	IPL_PREEMPT_SOFTMASK	(1 << IPL_NONE)
     47 #else
     48 #define	IPL_PREEMPT_SOFTMASK	0
     49 #endif
     50 
     51 #define	IPL_SOFTMASK \
     52 	    ((1 << IPL_SOFTSERIAL) | (1 << IPL_SOFTNET   )	\
     53 	    |(1 << IPL_SOFTBIO   ) | (1 << IPL_SOFTCLOCK )	\
     54 	    |IPL_PREEMPT_SOFTMASK)
     55 
     56 #define SOFTINT2IPL_MAP \
     57 	    ((IPL_SOFTSERIAL << (4*SOFTINT_SERIAL))	\
     58 	    |(IPL_SOFTNET    << (4*SOFTINT_NET   ))	\
     59 	    |(IPL_SOFTBIO    << (4*SOFTINT_BIO   ))	\
     60 	    |(IPL_SOFTCLOCK  << (4*SOFTINT_CLOCK )))
     61 #define	SOFTINT2IPL(si_level)	((SOFTINT2IPL_MAP >> (4 * (si_level))) & 0x0f)
     62 #define IPL2SOFTINT_MAP \
     63 	    ((SOFTINT_SERIAL << (4*IPL_SOFTSERIAL))	\
     64 	    |(SOFTINT_NET    << (4*IPL_SOFTNET   ))	\
     65 	    |(SOFTINT_BIO    << (4*IPL_SOFTBIO   ))	\
     66 	    |(SOFTINT_CLOCK  << (4*IPL_SOFTCLOCK )))
     67 #define	IPL2SOFTINT(ipl)	((IPL2SOFTINT_MAP >> (4 * (ipl))) & 0x0f)
     68 
     69 #ifdef _KERNEL
     70 void	powerpc_softint(struct cpu_info *, int, vaddr_t);
     71 void	powerpc_softint_init_md(lwp_t *, u_int, uintptr_t *);
     72 void	powerpc_softint_trigger(uintptr_t);
     73 #endif
     74 
     75 #endif /* __HAVE_FAST_SOFTINTS */
     76 #endif /* !_POWERPC_SOFTINT_H_ */
     77 #endif /* __INTR_PRIVATE */
     78