FreeBSD/Linux Kernel Cross Reference
sys/sparc64/include/intr_machdep.h

     /*-
      * 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: releng/10.1/sys/sparc64/include/intr_machdep.h 241780 2012-10-20 12:07:48Z marius $
     */
    
    #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 IR_FREE         (PIL_MAX * 2)
    
    #define IH_SHIFT        PTR_SHIFT
    #define IQE_SHIFT       5
    #define IV_SHIFT        6
    
    #define PIL_LOW         1       /* stray interrupts */
    #define PIL_PREEMPT     2       /* preempt idle thread CPU IPI */
    #define PIL_ITHREAD     3       /* interrupts that use ithreads */
    #define PIL_RENDEZVOUS  4       /* SMP rendezvous IPI */
    #define PIL_AST         5       /* asynchronous trap IPI */
    #define PIL_HARDCLOCK   6       /* hardclock broadcast */
    #define PIL_FILTER      11      /* filter interrupts */
    #define PIL_BRIDGE      12      /* bridge interrupts */
    #define PIL_STOP        13      /* stop CPU IPI */
    #define PIL_TICK        14      /* tick interrupts */
    
    #ifndef LOCORE
    
    #define INTR_BRIDGE     INTR_MD1
    
    struct trapframe;
    
    typedef void ih_func_t(struct trapframe *);
    typedef void iv_func_t(void *);
    
    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_controller {
            void    (*ic_enable)(void *);
            void    (*ic_disable)(void *);
            void    (*ic_assign)(void *);
            void    (*ic_clear)(void *);
    };
    
    struct intr_vector {
            iv_func_t *iv_func;
            void    *iv_arg;
            const struct    intr_controller *iv_ic;
            void    *iv_icarg;
            struct  intr_event *iv_event;
            u_int   iv_pri;
            u_int   iv_vec;
            u_int   iv_mid;
            u_int   iv_refcnt;
            u_int   iv_pad[2];
    };
    
    extern ih_func_t *intr_handlers[];
    extern struct intr_vector intr_vectors[];
    
    #ifdef SMP
    void    intr_add_cpu(u_int cpu);
    #endif
    int     intr_bind(int vec, u_char cpu);
    int     intr_describe(int vec, void *ih, const char *descr);
    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     intr_controller_register(int vec, const struct intr_controller *ic,
               void *icarg);
   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_ */

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