/* $NetBSD: plicvar.h,v 1.2 2023/09/02 09:58:15 skrll Exp $ */

/*-
 * Copyright (c) 2022 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * Portions of this code is derived from software contributed to The NetBSD
 * Foundation by Simon Burge.
 *
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
 */

#ifndef _RISCV_PLICVAR_H
#define _RISCV_PLICVAR_H

struct plic_intrhand {
        int     (*ih_func)(void *);
        void    *ih_arg;
        bool    ih_mpsafe;
        u_int   ih_irq;
        u_int   ih_hartid;
};

struct plic_softc {
        device_t                sc_dev;
        bus_space_tag_t         sc_bst;
        bus_space_handle_t      sc_bsh;

        uint32_t                sc_ndev;

        uint32_t                sc_context[MAXCPUS];
        struct plic_intrhand    *sc_intr;
        struct evcnt            *sc_intrevs;
};


int     plic_intr(void *);
void    plic_enable(struct plic_softc *, u_int, u_int);
void    plic_disable(struct plic_softc *, u_int, u_int);
void    plic_set_priority(struct plic_softc *, u_int, uint32_t);
void    plic_set_threshold(struct plic_softc *, cpuid_t, uint32_t);
int     plic_attach_common(struct plic_softc *, bus_addr_t, bus_size_t);

void *  plic_intr_establish_xname(u_int, int, int, int (*)(void *), void *,
            const char *);
void    plic_intr_disestablish(void *);


#endif /* _RISCV_PLICVAR_H */