xref: /freebsd/sys/riscv/include/intr.h (revision 17696c12)
18d7e7a98SRuslan Bukin /*-
217696c12SRuslan Bukin  * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>
38d7e7a98SRuslan Bukin  * All rights reserved.
48d7e7a98SRuslan Bukin  *
58d7e7a98SRuslan Bukin  * Portions of this software were developed by SRI International and the
68d7e7a98SRuslan Bukin  * University of Cambridge Computer Laboratory under DARPA/AFRL contract
78d7e7a98SRuslan Bukin  * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
88d7e7a98SRuslan Bukin  *
98d7e7a98SRuslan Bukin  * Portions of this software were developed by the University of Cambridge
108d7e7a98SRuslan Bukin  * Computer Laboratory as part of the CTSRD Project, with support from the
118d7e7a98SRuslan Bukin  * UK Higher Education Innovation Fund (HEIF).
128d7e7a98SRuslan Bukin  *
138d7e7a98SRuslan Bukin  * Redistribution and use in source and binary forms, with or without
148d7e7a98SRuslan Bukin  * modification, are permitted provided that the following conditions
158d7e7a98SRuslan Bukin  * are met:
168d7e7a98SRuslan Bukin  * 1. Redistributions of source code must retain the above copyright
178d7e7a98SRuslan Bukin  *    notice, this list of conditions and the following disclaimer.
188d7e7a98SRuslan Bukin  * 2. Redistributions in binary form must reproduce the above copyright
198d7e7a98SRuslan Bukin  *    notice, this list of conditions and the following disclaimer in the
208d7e7a98SRuslan Bukin  *    documentation and/or other materials provided with the distribution.
218d7e7a98SRuslan Bukin  *
228d7e7a98SRuslan Bukin  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
238d7e7a98SRuslan Bukin  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
248d7e7a98SRuslan Bukin  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
258d7e7a98SRuslan Bukin  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
268d7e7a98SRuslan Bukin  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
278d7e7a98SRuslan Bukin  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
288d7e7a98SRuslan Bukin  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
298d7e7a98SRuslan Bukin  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
308d7e7a98SRuslan Bukin  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
318d7e7a98SRuslan Bukin  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
328d7e7a98SRuslan Bukin  * SUCH DAMAGE.
338d7e7a98SRuslan Bukin  *
348d7e7a98SRuslan Bukin  * $FreeBSD$
358d7e7a98SRuslan Bukin  */
368d7e7a98SRuslan Bukin 
378d7e7a98SRuslan Bukin #ifndef	_MACHINE_INTR_MACHDEP_H_
388d7e7a98SRuslan Bukin #define	_MACHINE_INTR_MACHDEP_H_
398d7e7a98SRuslan Bukin 
408d7e7a98SRuslan Bukin struct trapframe;
418d7e7a98SRuslan Bukin 
428d7e7a98SRuslan Bukin void riscv_init_interrupts(void);
438d7e7a98SRuslan Bukin int riscv_teardown_intr(void *);
448d7e7a98SRuslan Bukin int riscv_config_intr(u_int, enum intr_trigger, enum intr_polarity);
458d7e7a98SRuslan Bukin int riscv_setup_intr(const char *, driver_filter_t *, driver_intr_t *,
468d7e7a98SRuslan Bukin     void *, int, int, void **);
478d7e7a98SRuslan Bukin void riscv_cpu_intr(struct trapframe *);
488d7e7a98SRuslan Bukin 
498d7e7a98SRuslan Bukin typedef unsigned long * riscv_intrcnt_t;
508d7e7a98SRuslan Bukin 
518d7e7a98SRuslan Bukin riscv_intrcnt_t riscv_intrcnt_create(const char *);
528d7e7a98SRuslan Bukin void riscv_intrcnt_setname(riscv_intrcnt_t, const char *);
538d7e7a98SRuslan Bukin 
5417696c12SRuslan Bukin #ifdef SMP
5517696c12SRuslan Bukin void riscv_setup_ipihandler(driver_filter_t *);
5617696c12SRuslan Bukin void riscv_unmask_ipi(void);
5717696c12SRuslan Bukin #endif
5817696c12SRuslan Bukin 
5917696c12SRuslan Bukin enum {
6017696c12SRuslan Bukin 	IRQ_SOFTWARE,
6117696c12SRuslan Bukin 	IRQ_TIMER,
6217696c12SRuslan Bukin 	IRQ_HTIF,
6317696c12SRuslan Bukin 	NIRQS
6417696c12SRuslan Bukin };
6517696c12SRuslan Bukin 
668d7e7a98SRuslan Bukin #endif /* !_MACHINE_INTR_MACHDEP_H_ */
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