sys/ia64/include/sapicvar.h

   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  * $FreeBSD$
  27  */
  28
  29 #ifndef _MACHINE_SAPICVAR_H_
  30 #define _MACHINE_SAPICVAR_H_
  31
  32 struct sapic {
  33         struct mtx      sa_mtx;
  34         vm_offset_t     sa_registers;   /* virtual address of sapic */
  35         u_int           sa_id;          /* I/O SAPIC Id */
  36         u_int           sa_base;        /* ACPI vector base */
  37         u_int           sa_limit;       /* last ACPI vector handled here */
  38 };
  39
  40 #define SAPIC_TRIGGER_EDGE      0
  41 #define SAPIC_TRIGGER_LEVEL     1
  42
  43 #define SAPIC_POLARITY_HIGH     0
  44 #define SAPIC_POLARITY_LOW      1
  45
  46 #define SAPIC_DELMODE_FIXED     0
  47 #define SAPIC_DELMODE_LOWPRI    1
  48 #define SAPIC_DELMODE_PMI       2
  49 #define SAPIC_DELMODE_NMI       4
  50 #define SAPIC_DELMODE_INIT      5
  51 #define SAPIC_DELMODE_EXTINT    7
  52
  53 int     sapic_config_intr(u_int irq, enum intr_trigger, enum intr_polarity);
  54 struct sapic *sapic_create(u_int id, u_int base, uint64_t address);
  55 int     sapic_enable(struct sapic *sa, u_int irq, u_int vector);
  56 void    sapic_eoi(struct sapic *sa, u_int vector);
  57 struct sapic *sapic_lookup(u_int irq);
  58 void    sapic_mask(struct sapic *sa, u_int irq);
  59 void    sapic_unmask(struct sapic *sa, u_int irq);
  60
  61 #ifdef DDB
  62 void    sapic_print(struct sapic *sa, u_int irq);
  63 #endif
  64
  65 #endif /* ! _MACHINE_SAPICVAR_H_ */