freebsd-dev/sys/sun4v/include/intr_machdep.h
Paolo Pisati ef544f6312 o break newbus api: add a new argument of type driver_filter_t to
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@
2007-02-23 12:19:07 +00:00

108 lines
3.2 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_PREEMPT 6 /* preempt idle thread 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);
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);
void cpu_intrq_init(void);
ih_func_t intr_fast;
#define CPU_LIST_SIZE (MAXCPU * sizeof(uint16_t))
#define INTR_CPU_Q_SIZE (cpu_q_entries * INTR_REPORT_SIZE)
#define INTR_DEV_Q_SIZE (dev_q_entries * INTR_REPORT_SIZE)
#endif /* !LOCORE */
#define INTR_REPORT_SIZE 64
#define CPU_RQ_ENTRIES 64
#define CPU_NRQ_ENTRIES 64
#define Q_ENTRY_SIZE 64
#define CPU_RQ_SIZE (CPU_RQ_ENTRIES * Q_ENTRY_SIZE)
#define CPU_NRQ_SIZE (CPU_NRQ_ENTRIES * Q_ENTRY_SIZE)
#endif /* !_MACHINE_INTR_MACHDEP_H_ */