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we think is the correct trigger mode and polarity. This allows us to implement BUS_CONFIG_INTR() as an update of the RTE in question. Consequently, we can trust the RTE when we enable an interrupt and avoids that we need to know about the trigger mode and polarity at that time.
61 lines
2.2 KiB
C
61 lines
2.2 KiB
C
/*-
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* Copyright (c) 2001 Doug Rabson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_SAPICVAR_H_
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#define _MACHINE_SAPICVAR_H_
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struct sapic {
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int sa_id; /* I/O SAPIC Id */
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int sa_base; /* ACPI vector base */
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int sa_limit; /* last ACPI vector handled here */
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vm_offset_t sa_registers; /* virtual address of sapic */
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};
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#define SAPIC_TRIGGER_EDGE 0
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#define SAPIC_TRIGGER_LEVEL 1
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#define SAPIC_POLARITY_HIGH 0
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#define SAPIC_POLARITY_LOW 1
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#define SAPIC_DELMODE_FIXED 0
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#define SAPIC_DELMODE_LOWPRI 1
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#define SAPIC_DELMODE_PMI 2
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#define SAPIC_DELMODE_NMI 4
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#define SAPIC_DELMODE_INIT 5
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#define SAPIC_DELMODE_EXTINT 7
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int sapic_config_intr(int irq, enum intr_trigger, enum intr_polarity);
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struct sapic *sapic_create(int id, int base, uint64_t address);
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int sapic_enable(int irq, int vector);
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void sapic_eoi(struct sapic *sa, int vector);
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#ifdef DDB
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void sapic_print(struct sapic *sa, int input);
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#endif
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#endif /* ! _MACHINE_SAPICVAR_H_ */
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