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/* $NetBSD: plicvar.h,v 1.1 2023/05/07 12:41:48 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_cidx;
};
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 */
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