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sapicvar.h revision 1.2 
      1 /*-
      2  * Copyright (c) 2001 Doug Rabson
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     24  * SUCH DAMAGE.
     25  *
     26  * $FreeBSD: src/sys/ia64/include/sapicvar.h,v 1.5 2007/07/30 22:29:33 marcel Exp $
     27  */
     28 
     29 #ifndef _MACHINE_SAPICVAR_H_
     30 #define _MACHINE_SAPICVAR_H_
     31 
     32 #include <sys/types.h>
     33 
     34 #include <sys/mutex.h>
     35 
     36 struct sapic {
     37 	kmutex_t	sa_mtx;
     38 	vaddr_t		sa_registers;	/* virtual address of sapic */
     39 	u_int		sa_id;		/* I/O SAPIC Id */
     40 	u_int		sa_base;	/* ACPI vector base */
     41 	u_int		sa_limit;	/* last ACPI vector handled here */
     42 };
     43 
     44 #define SAPIC_TRIGGER_EDGE	0
     45 #define SAPIC_TRIGGER_LEVEL	1
     46 
     47 #define SAPIC_POLARITY_HIGH	0
     48 #define SAPIC_POLARITY_LOW	1
     49 
     50 #define SAPIC_DELMODE_FIXED	0
     51 #define SAPIC_DELMODE_LOWPRI	1
     52 #define SAPIC_DELMODE_PMI	2
     53 #define SAPIC_DELMODE_NMI	4
     54 #define SAPIC_DELMODE_INIT	5
     55 #define SAPIC_DELMODE_EXTINT	7
     56 
     57 int	sapic_config_intr(u_int, int);
     58 struct	sapic *sapic_create(u_int, u_int, uint64_t);
     59 int	sapic_enable(struct sapic *, u_int, u_int);
     60 void	sapic_eoi(struct sapic *, u_int);
     61 struct	sapic *sapic_lookup(u_int);
     62 void	sapic_mask(struct sapic *, u_int);
     63 void	sapic_unmask(struct sapic *, u_int);
     64 
     65 #ifdef DDB
     66 void	sapic_print(struct sapic *, u_int);
     67 #endif
     68 
     69 #endif /* ! _MACHINE_SAPICVAR_H_ */
     70