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sys/sys/intr.h
/* $NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej Exp $ */ | |||||
/*- | /*- | ||||
* Copyright (c) 1997 Mark Brinicombe. | * Copyright (c) 2015-2016 Svatopluk Kraus | ||||
* Copyright (c) 2015-2016 Michal Meloun | |||||
* All rights reserved. | * All rights reserved. | ||||
* | * | ||||
* Redistribution and use in source and binary forms, with or without | * Redistribution and use in source and binary forms, with or without | ||||
* modification, are permitted provided that the following conditions | * modification, are permitted provided that the following conditions | ||||
* are met: | * are met: | ||||
* 1. Redistributions of source code must retain the above copyright | * 1. Redistributions of source code must retain the above copyright | ||||
* notice, this list of conditions and the following disclaimer. | * notice, this list of conditions and the following disclaimer. | ||||
* 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright | ||||
* notice, this list of conditions and the following disclaimer in the | * notice, this list of conditions and the following disclaimer in the | ||||
* documentation and/or other materials provided with the distribution. | * documentation and/or other materials provided with the distribution. | ||||
* 3. All advertising materials mentioning features or use of this software | |||||
* must display the following acknowledgement: | |||||
* This product includes software developed by Mark Brinicombe | |||||
* for the NetBSD Project. | |||||
* 4. The name of the company nor the name of the author may be used to | |||||
* endorse or promote products derived from this software without specific | |||||
* prior written permission. | |||||
* | * | ||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | ||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||||
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | ||||
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | ||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | ||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | * 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 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | ||||
* SUCH DAMAGE. | * SUCH DAMAGE. | ||||
* | * | ||||
* $FreeBSD$ | * $FreeBSD$ | ||||
* | |||||
*/ | */ | ||||
#ifndef _SYS_INTR_H_ | #ifndef _SYS_INTR_H_ | ||||
#define _SYS_INTR_H_ | #define _SYS_INTR_H_ | ||||
#include <sys/systm.h> | #include <sys/systm.h> | ||||
enum intr_map_data_type { | |||||
INTR_MAP_DATA_ACPI, | |||||
INTR_MAP_DATA_FDT, | |||||
}; | |||||
#ifdef DEV_ACPI | |||||
struct intr_map_data_acpi { | |||||
u_int irq; | |||||
enum intr_polarity pol; | |||||
enum intr_trigger trig; | |||||
}; | |||||
#endif | |||||
#ifdef FDT | |||||
struct intr_map_data_fdt { | |||||
u_int ncells; | |||||
pcell_t *cells; | |||||
}; | |||||
#endif | |||||
struct intr_map_data { | |||||
enum intr_map_data_type type; | |||||
union { | |||||
#ifdef DEV_ACPI | |||||
struct intr_map_data_acpi acpi; | |||||
#endif | |||||
#ifdef FDT | |||||
struct intr_map_data_fdt fdt; | |||||
#endif | |||||
}; | |||||
}; | |||||
#ifdef notyet | #ifdef notyet | ||||
#define INTR_SOLO INTR_MD1 | #define INTR_SOLO INTR_MD1 | ||||
typedef int intr_irq_filter_t(void *arg, struct trapframe *tf); | typedef int intr_irq_filter_t(void *arg, struct trapframe *tf); | ||||
#else | #else | ||||
typedef int intr_irq_filter_t(void *arg); | typedef int intr_irq_filter_t(void *arg); | ||||
#endif | #endif | ||||
#define INTR_ISRC_NAMELEN (MAXCOMLEN + 1) | #define INTR_ISRC_NAMELEN (MAXCOMLEN + 1) | ||||
enum intr_isrc_type { | #define INTR_ISRCF_IPI 0x01 /* IPI interrupt */ | ||||
INTR_ISRCT_NAMESPACE, | #define INTR_ISRCF_PPI 0x02 /* PPI interrupt */ | ||||
INTR_ISRCT_FDT | |||||
}; | |||||
#define INTR_ISRCF_REGISTERED 0x01 /* registered in a controller */ | |||||
#define INTR_ISRCF_PERCPU 0x02 /* per CPU interrupt */ | |||||
#define INTR_ISRCF_BOUND 0x04 /* bound to a CPU */ | #define INTR_ISRCF_BOUND 0x04 /* bound to a CPU */ | ||||
/* Interrupt source definition. */ | /* Interrupt source definition. */ | ||||
struct intr_irqsrc { | struct intr_irqsrc { | ||||
device_t isrc_dev; /* where isrc is mapped */ | device_t isrc_dev; /* where isrc is mapped */ | ||||
intptr_t isrc_xref; /* device reference key */ | |||||
uintptr_t isrc_data; /* device data for isrc */ | |||||
u_int isrc_irq; /* unique identificator */ | u_int isrc_irq; /* unique identificator */ | ||||
enum intr_isrc_type isrc_type; /* how is isrc decribed */ | |||||
u_int isrc_flags; | u_int isrc_flags; | ||||
char isrc_name[INTR_ISRC_NAMELEN]; | char isrc_name[INTR_ISRC_NAMELEN]; | ||||
uint16_t isrc_nspc_type; | |||||
uint16_t isrc_nspc_num; | |||||
enum intr_trigger isrc_trig; | |||||
enum intr_polarity isrc_pol; | |||||
cpuset_t isrc_cpu; /* on which CPUs is enabled */ | cpuset_t isrc_cpu; /* on which CPUs is enabled */ | ||||
u_int isrc_index; | u_int isrc_index; | ||||
u_long * isrc_count; | u_long * isrc_count; | ||||
u_int isrc_handlers; | u_int isrc_handlers; | ||||
struct intr_event * isrc_event; | struct intr_event * isrc_event; | ||||
#ifdef INTR_SOLO | #ifdef INTR_SOLO | ||||
intr_irq_filter_t * isrc_filter; | intr_irq_filter_t * isrc_filter; | ||||
void * isrc_arg; | void * isrc_arg; | ||||
#endif | #endif | ||||
#ifdef FDT | |||||
u_int isrc_ncells; | |||||
pcell_t isrc_cells[]; /* leave it last */ | |||||
#endif | |||||
}; | }; | ||||
struct intr_irqsrc *intr_isrc_alloc(u_int type, u_int extsize); | /* Intr interface for PIC. */ | ||||
void intr_isrc_free(struct intr_irqsrc *isrc); | int intr_isrc_deregister(struct intr_irqsrc *); | ||||
int intr_isrc_register(struct intr_irqsrc *, device_t, u_int, const char *, ...) | |||||
__printflike(4, 5); | |||||
void intr_irq_set_name(struct intr_irqsrc *isrc, const char *fmt, ...) | int intr_isrc_dispatch(struct intr_irqsrc *, struct trapframe *); | ||||
__printflike(2, 3); | u_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask); | ||||
void intr_irq_dispatch(struct intr_irqsrc *isrc, struct trapframe *tf); | int intr_pic_register(device_t, intptr_t); | ||||
int intr_pic_deregister(device_t, intptr_t); | |||||
int intr_pic_claim_root(device_t, intptr_t, intr_irq_filter_t *, void *, u_int); | |||||
#define INTR_IRQ_NSPC_NONE 0 | extern device_t intr_irq_root_dev; | ||||
#define INTR_IRQ_NSPC_PLAIN 1 | |||||
#define INTR_IRQ_NSPC_IRQ 2 | |||||
#define INTR_IRQ_NSPC_IPI 3 | |||||
u_int intr_namespace_map_irq(device_t dev, uint16_t type, uint16_t num); | /* Intr interface for BUS. */ | ||||
#ifdef FDT | int intr_map_irq(device_t, intptr_t, struct intr_map_data *, u_int *); | ||||
u_int intr_fdt_map_irq(phandle_t, pcell_t *, u_int); | |||||
#endif | |||||
extern device_t intr_irq_root_dev; | int intr_alloc_irq(device_t, struct resource *); | ||||
int intr_release_irq(device_t, struct resource *); | |||||
int intr_pic_register(device_t dev, intptr_t xref); | int intr_setup_irq(device_t, struct resource *, driver_filter_t, driver_intr_t, | ||||
int intr_pic_unregister(device_t dev, intptr_t xref); | void *, int, void **); | ||||
int intr_pic_claim_root(device_t dev, intptr_t xref, intr_irq_filter_t *filter, | int intr_teardown_irq(device_t, struct resource *, void *); | ||||
void *arg, u_int ipicount); | |||||
int intr_irq_add_handler(device_t dev, driver_filter_t, driver_intr_t, void *, | int intr_describe_irq(device_t, struct resource *, void *, const char *); | ||||
u_int, int, void **); | |||||
int intr_irq_remove_handler(device_t dev, u_int, void *); | |||||
int intr_irq_config(u_int, enum intr_trigger, enum intr_polarity); | |||||
int intr_irq_describe(u_int, void *, const char *); | |||||
u_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask); | #ifdef DEV_ACPI | ||||
u_int intr_acpi_map_irq(device_t, u_int, enum intr_polarity, | |||||
enum intr_trigger); | |||||
#endif | |||||
#ifdef FDT | |||||
u_int intr_fdt_map_irq(phandle_t, pcell_t *, u_int); | |||||
#endif | |||||
#ifdef SMP | #ifdef SMP | ||||
int intr_irq_bind(u_int, int); | int intr_bind_irq(device_t, struct resource *, int); | ||||
void intr_pic_init_secondary(void); | void intr_pic_init_secondary(void); | ||||
/* Virtualization for interrupt source IPI counter increment. */ | /* Virtualization for interrupt source IPI counter increment. */ | ||||
static inline void | static inline void | ||||
intr_ipi_increment_count(u_long *counter, u_int cpu) | intr_ipi_increment_count(u_long *counter, u_int cpu) | ||||
{ | { | ||||
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