ef544f6312
bus_setup_intr() o add an int return code to all fast handlers o retire INTR_FAST/IH_FAST For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current Reviewed by: many Approved by: re@
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*-
|
|
* Copyright (c) 2001 Jake Burkholder.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* 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
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _MACHINE_INTR_MACHDEP_H_
|
|
#define _MACHINE_INTR_MACHDEP_H_
|
|
|
|
#define IRSR_BUSY (1 << 5)
|
|
|
|
#define PIL_MAX (1 << 4)
|
|
#define IV_MAX (1 << 11)
|
|
#define IV_NAMLEN 1024
|
|
|
|
#define IR_FREE (PIL_MAX * 2)
|
|
|
|
#define IH_SHIFT PTR_SHIFT
|
|
#define IQE_SHIFT 5
|
|
#define IV_SHIFT 5
|
|
|
|
#define PIL_LOW 1 /* stray interrupts */
|
|
#define PIL_ITHREAD 2 /* interrupts that use ithreads */
|
|
#define PIL_RENDEZVOUS 3 /* smp rendezvous ipi */
|
|
#define PIL_AST 4 /* ast ipi */
|
|
#define PIL_STOP 5 /* stop cpu ipi */
|
|
#define PIL_FAST 13 /* fast interrupts */
|
|
#define PIL_TICK 14
|
|
|
|
#ifndef LOCORE
|
|
|
|
struct trapframe;
|
|
|
|
typedef void ih_func_t(struct trapframe *);
|
|
typedef void iv_func_t(void *);
|
|
|
|
struct ithd;
|
|
|
|
struct intr_request {
|
|
struct intr_request *ir_next;
|
|
iv_func_t *ir_func;
|
|
void *ir_arg;
|
|
u_int ir_vec;
|
|
u_int ir_pri;
|
|
};
|
|
|
|
struct intr_vector {
|
|
iv_func_t *iv_func;
|
|
void *iv_arg;
|
|
struct intr_event *iv_event;
|
|
u_int iv_pri;
|
|
u_int iv_vec;
|
|
};
|
|
|
|
extern ih_func_t *intr_handlers[];
|
|
extern struct intr_vector intr_vectors[];
|
|
|
|
void intr_setup(int level, ih_func_t *ihf, int pri, iv_func_t *ivf,
|
|
void *iva);
|
|
void intr_init1(void);
|
|
void intr_init2(void);
|
|
int inthand_add(const char *name, int vec, int (*filt)(void *),
|
|
void (*handler)(void *), void *arg, int flags, void **cookiep);
|
|
int inthand_remove(int vec, void *cookie);
|
|
|
|
ih_func_t intr_fast;
|
|
|
|
#endif /* !LOCORE */
|
|
|
|
#endif /* !_MACHINE_INTR_MACHDEP_H_ */
|