freebsd-dev/sys/ia64/include/sapicvar.h
Doug Rabson 7a7029581c Wire up most of the interrupt handling infrastructure. Not sure it works
right yet but its enough for the ATA probe to work. The SCSI probes which
follow are broken though.
2001-10-05 10:30:09 +00:00

51 lines
2.0 KiB
C

/*-
* Copyright (c) 2001 Doug Rabson
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY 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) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_SAPICVAR_H_
#define _MACHINE_SAPICVAR_H_
struct sapic {
int sa_id; /* I/O SAPIC Id */
int sa_base; /* ACPI vector base */
int sa_limit; /* last ACPI vector handled here */
vm_offset_t sa_registers; /* virtual address of sapic */
};
#define SAPIC_TRIGGER_EDGE 0
#define SAPIC_TRIGGER_LEVEL 1
#define SAPIC_POLARITY_HIGH 0
#define SAPIC_POLARITY_LOW 1
struct sapic *sapic_create(int id, int base, u_int64_t address);
void sapic_enable(struct sapic *sa, int input, int vector,
int trigger_mode, int polarity);
void sapic_eoi(struct sapic *sa, int vector);
#endif /* ! _MACHINE_SAPICVAR_H_ */