intr.h revision 298738
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 298738 2016-04-28 12:03:22Z mmel $ 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, 38298738Smmel INTR_MAP_DATA_GPIO, 39297539Sskra}; 40297539Sskra 41297539Sskra#ifdef DEV_ACPI 42297539Sskrastruct intr_map_data_acpi { 43297539Sskra u_int irq; 44297539Sskra enum intr_polarity pol; 45297539Sskra enum intr_trigger trig; 46297539Sskra}; 47297539Sskra#endif 48297539Sskra#ifdef FDT 49297539Sskrastruct intr_map_data_fdt { 50297539Sskra u_int ncells; 51297539Sskra pcell_t *cells; 52297539Sskra}; 53297539Sskra#endif 54297539Sskra 55298738Smmelstruct intr_map_data_gpio { 56298738Smmel u_int gpio_pin_num; 57298738Smmel u_int gpio_pin_flags; 58298738Smmel u_int gpio_intr_mode; 59298738Smmel}; 60298738Smmel 61297539Sskrastruct intr_map_data { 62297539Sskra enum intr_map_data_type type; 63297539Sskra union { 64297539Sskra#ifdef DEV_ACPI 65297539Sskra struct intr_map_data_acpi acpi; 66297539Sskra#endif 67297539Sskra#ifdef FDT 68297539Sskra struct intr_map_data_fdt fdt; 69297539Sskra#endif 70298738Smmel struct intr_map_data_gpio gpio; 71297539Sskra }; 72297539Sskra}; 73297539Sskra 74295459Sadrian#ifdef notyet 75295459Sadrian#define INTR_SOLO INTR_MD1 76295459Sadriantypedef int intr_irq_filter_t(void *arg, struct trapframe *tf); 77295459Sadrian#else 78295459Sadriantypedef int intr_irq_filter_t(void *arg); 79295459Sadrian#endif 80295459Sadrian 81295459Sadrian#define INTR_ISRC_NAMELEN (MAXCOMLEN + 1) 82295459Sadrian 83297539Sskra#define INTR_ISRCF_IPI 0x01 /* IPI interrupt */ 84297539Sskra#define INTR_ISRCF_PPI 0x02 /* PPI interrupt */ 85295459Sadrian#define INTR_ISRCF_BOUND 0x04 /* bound to a CPU */ 86295459Sadrian 87295459Sadrian/* Interrupt source definition. */ 88295459Sadrianstruct intr_irqsrc { 89295459Sadrian device_t isrc_dev; /* where isrc is mapped */ 90295459Sadrian u_int isrc_irq; /* unique identificator */ 91295459Sadrian u_int isrc_flags; 92295459Sadrian char isrc_name[INTR_ISRC_NAMELEN]; 93295459Sadrian cpuset_t isrc_cpu; /* on which CPUs is enabled */ 94295459Sadrian u_int isrc_index; 95295459Sadrian u_long * isrc_count; 96295459Sadrian u_int isrc_handlers; 97295459Sadrian struct intr_event * isrc_event; 98296261Sskra#ifdef INTR_SOLO 99295459Sadrian intr_irq_filter_t * isrc_filter; 100297230Sskra void * isrc_arg; 101296261Sskra#endif 102295459Sadrian}; 103295459Sadrian 104297539Sskra/* Intr interface for PIC. */ 105297539Sskraint intr_isrc_deregister(struct intr_irqsrc *); 106297539Sskraint intr_isrc_register(struct intr_irqsrc *, device_t, u_int, const char *, ...) 107297539Sskra __printflike(4, 5); 108297230Sskra 109297674Sskra#ifdef SMP 110297674Sskrabool intr_isrc_init_on_cpu(struct intr_irqsrc *isrc, u_int cpu); 111297674Sskra#endif 112297674Sskra 113297539Sskraint intr_isrc_dispatch(struct intr_irqsrc *, struct trapframe *); 114297539Sskrau_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask); 115295459Sadrian 116297539Sskraint intr_pic_register(device_t, intptr_t); 117297539Sskraint intr_pic_deregister(device_t, intptr_t); 118297539Sskraint intr_pic_claim_root(device_t, intptr_t, intr_irq_filter_t *, void *, u_int); 119295459Sadrian 120297539Sskraextern device_t intr_irq_root_dev; 121295459Sadrian 122297539Sskra/* Intr interface for BUS. */ 123297539Sskraint intr_map_irq(device_t, intptr_t, struct intr_map_data *, u_int *); 124295459Sadrian 125297539Sskraint intr_alloc_irq(device_t, struct resource *); 126297539Sskraint intr_release_irq(device_t, struct resource *); 127296138Sskra 128297539Sskraint intr_setup_irq(device_t, struct resource *, driver_filter_t, driver_intr_t, 129297539Sskra void *, int, void **); 130297539Sskraint intr_teardown_irq(device_t, struct resource *, void *); 131295459Sadrian 132297539Sskraint intr_describe_irq(device_t, struct resource *, void *, const char *); 133295459Sadrian 134297539Sskra#ifdef DEV_ACPI 135297539Sskrau_int intr_acpi_map_irq(device_t, u_int, enum intr_polarity, 136297539Sskra enum intr_trigger); 137297539Sskra#endif 138297539Sskra#ifdef FDT 139297539Sskrau_int intr_fdt_map_irq(phandle_t, pcell_t *, u_int); 140297539Sskra#endif 141298738Smmelu_int intr_gpio_map_irq(device_t dev, u_int pin_num, u_int pin_flags, 142298738Smmel u_int intr_mode); 143295459Sadrian 144295459Sadrian#ifdef SMP 145297539Sskraint intr_bind_irq(device_t, struct resource *, int); 146295459Sadrian 147296138Sskravoid intr_pic_init_secondary(void); 148295459Sadrian 149296138Sskra/* Virtualization for interrupt source IPI counter increment. */ 150296138Sskrastatic inline void 151296138Sskraintr_ipi_increment_count(u_long *counter, u_int cpu) 152296138Sskra{ 153295459Sadrian 154296138Sskra KASSERT(cpu < MAXCPU, ("%s: too big cpu %u", __func__, cpu)); 155296138Sskra counter[cpu]++; 156296138Sskra} 157295459Sadrian 158296138Sskra/* Virtualization for interrupt source IPI counters setup. */ 159296138Sskrau_long * intr_ipi_setup_counters(const char *name); 160295459Sadrian 161295459Sadrian#endif 162295459Sadrian#endif /* _SYS_INTR_H */ 163