intr.h revision 297674
1295459Sadrian/*- 2297539Sskra * Copyright (c) 2015-2016 Svatopluk Kraus 3297539Sskra * Copyright (c) 2015-2016 Michal Meloun 4295459Sadrian * All rights reserved. 5295459Sadrian * 6295459Sadrian * Redistribution and use in source and binary forms, with or without 7295459Sadrian * modification, are permitted provided that the following conditions 8295459Sadrian * are met: 9295459Sadrian * 1. Redistributions of source code must retain the above copyright 10295459Sadrian * notice, this list of conditions and the following disclaimer. 11295459Sadrian * 2. Redistributions in binary form must reproduce the above copyright 12295459Sadrian * notice, this list of conditions and the following disclaimer in the 13295459Sadrian * documentation and/or other materials provided with the distribution. 14295459Sadrian * 15297539Sskra * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16297539Sskra * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17297539Sskra * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18297539Sskra * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19297539Sskra * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20297539Sskra * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21297539Sskra * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22295459Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23295459Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24295459Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25295459Sadrian * SUCH DAMAGE. 26295459Sadrian * 27295459Sadrian * $FreeBSD: head/sys/sys/intr.h 297674 2016-04-07 15:00:25Z skra $ 28295459Sadrian */ 29295459Sadrian 30295459Sadrian#ifndef _SYS_INTR_H_ 31295459Sadrian#define _SYS_INTR_H_ 32295459Sadrian 33296138Sskra#include <sys/systm.h> 34296138Sskra 35297539Sskraenum intr_map_data_type { 36297539Sskra INTR_MAP_DATA_ACPI, 37297539Sskra INTR_MAP_DATA_FDT, 38297539Sskra}; 39297539Sskra 40297539Sskra#ifdef DEV_ACPI 41297539Sskrastruct intr_map_data_acpi { 42297539Sskra u_int irq; 43297539Sskra enum intr_polarity pol; 44297539Sskra enum intr_trigger trig; 45297539Sskra}; 46297539Sskra#endif 47297539Sskra#ifdef FDT 48297539Sskrastruct intr_map_data_fdt { 49297539Sskra u_int ncells; 50297539Sskra pcell_t *cells; 51297539Sskra}; 52297539Sskra#endif 53297539Sskra 54297539Sskrastruct intr_map_data { 55297539Sskra enum intr_map_data_type type; 56297539Sskra union { 57297539Sskra#ifdef DEV_ACPI 58297539Sskra struct intr_map_data_acpi acpi; 59297539Sskra#endif 60297539Sskra#ifdef FDT 61297539Sskra struct intr_map_data_fdt fdt; 62297539Sskra#endif 63297539Sskra }; 64297539Sskra}; 65297539Sskra 66295459Sadrian#ifdef notyet 67295459Sadrian#define INTR_SOLO INTR_MD1 68295459Sadriantypedef int intr_irq_filter_t(void *arg, struct trapframe *tf); 69295459Sadrian#else 70295459Sadriantypedef int intr_irq_filter_t(void *arg); 71295459Sadrian#endif 72295459Sadrian 73295459Sadrian#define INTR_ISRC_NAMELEN (MAXCOMLEN + 1) 74295459Sadrian 75297539Sskra#define INTR_ISRCF_IPI 0x01 /* IPI interrupt */ 76297539Sskra#define INTR_ISRCF_PPI 0x02 /* PPI interrupt */ 77295459Sadrian#define INTR_ISRCF_BOUND 0x04 /* bound to a CPU */ 78295459Sadrian 79295459Sadrian/* Interrupt source definition. */ 80295459Sadrianstruct intr_irqsrc { 81295459Sadrian device_t isrc_dev; /* where isrc is mapped */ 82295459Sadrian u_int isrc_irq; /* unique identificator */ 83295459Sadrian u_int isrc_flags; 84295459Sadrian char isrc_name[INTR_ISRC_NAMELEN]; 85295459Sadrian cpuset_t isrc_cpu; /* on which CPUs is enabled */ 86295459Sadrian u_int isrc_index; 87295459Sadrian u_long * isrc_count; 88295459Sadrian u_int isrc_handlers; 89295459Sadrian struct intr_event * isrc_event; 90296261Sskra#ifdef INTR_SOLO 91295459Sadrian intr_irq_filter_t * isrc_filter; 92297230Sskra void * isrc_arg; 93296261Sskra#endif 94295459Sadrian}; 95295459Sadrian 96297539Sskra/* Intr interface for PIC. */ 97297539Sskraint intr_isrc_deregister(struct intr_irqsrc *); 98297539Sskraint intr_isrc_register(struct intr_irqsrc *, device_t, u_int, const char *, ...) 99297539Sskra __printflike(4, 5); 100297230Sskra 101297674Sskra#ifdef SMP 102297674Sskrabool intr_isrc_init_on_cpu(struct intr_irqsrc *isrc, u_int cpu); 103297674Sskra#endif 104297674Sskra 105297539Sskraint intr_isrc_dispatch(struct intr_irqsrc *, struct trapframe *); 106297539Sskrau_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask); 107295459Sadrian 108297539Sskraint intr_pic_register(device_t, intptr_t); 109297539Sskraint intr_pic_deregister(device_t, intptr_t); 110297539Sskraint intr_pic_claim_root(device_t, intptr_t, intr_irq_filter_t *, void *, u_int); 111295459Sadrian 112297539Sskraextern device_t intr_irq_root_dev; 113295459Sadrian 114297539Sskra/* Intr interface for BUS. */ 115297539Sskraint intr_map_irq(device_t, intptr_t, struct intr_map_data *, u_int *); 116295459Sadrian 117297539Sskraint intr_alloc_irq(device_t, struct resource *); 118297539Sskraint intr_release_irq(device_t, struct resource *); 119296138Sskra 120297539Sskraint intr_setup_irq(device_t, struct resource *, driver_filter_t, driver_intr_t, 121297539Sskra void *, int, void **); 122297539Sskraint intr_teardown_irq(device_t, struct resource *, void *); 123295459Sadrian 124297539Sskraint intr_describe_irq(device_t, struct resource *, void *, const char *); 125295459Sadrian 126297539Sskra#ifdef DEV_ACPI 127297539Sskrau_int intr_acpi_map_irq(device_t, u_int, enum intr_polarity, 128297539Sskra enum intr_trigger); 129297539Sskra#endif 130297539Sskra#ifdef FDT 131297539Sskrau_int intr_fdt_map_irq(phandle_t, pcell_t *, u_int); 132297539Sskra#endif 133295459Sadrian 134295459Sadrian#ifdef SMP 135297539Sskraint intr_bind_irq(device_t, struct resource *, int); 136295459Sadrian 137296138Sskravoid intr_pic_init_secondary(void); 138295459Sadrian 139296138Sskra/* Virtualization for interrupt source IPI counter increment. */ 140296138Sskrastatic inline void 141296138Sskraintr_ipi_increment_count(u_long *counter, u_int cpu) 142296138Sskra{ 143295459Sadrian 144296138Sskra KASSERT(cpu < MAXCPU, ("%s: too big cpu %u", __func__, cpu)); 145296138Sskra counter[cpu]++; 146296138Sskra} 147295459Sadrian 148296138Sskra/* Virtualization for interrupt source IPI counters setup. */ 149296138Sskrau_long * intr_ipi_setup_counters(const char *name); 150295459Sadrian 151295459Sadrian#endif 152295459Sadrian#endif /* _SYS_INTR_H */ 153