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      1 /* $NetBSD: gic_v2m.h,v 1.3 2020/05/07 16:20:40 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2018 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jared McNeill <jmcneill (at) invisible.ca>.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _ARM_CORTEX_GIC_V2M_H
     33 #define _ARM_CORTEX_GIC_V2M_H
     34 
     35 #include <arm/pci/pci_msi_machdep.h>
     36 #include <arm/cortex/gic_reg.h>
     37 
     38 struct gic_v2m_frame {
     39 	uint64_t		frame_reg;
     40 	struct pic_softc	*frame_pic;
     41 	uint16_t		frame_base;
     42 	uint16_t		frame_count;
     43 	uint32_t		frame_flags;
     44 #define	GIC_V2M_FLAG_GRAVITON		0x01	/* Amazon Graviton quirk */
     45 
     46 	struct pci_attach_args *frame_pa[GICC_IAR_IRQ];
     47 
     48 	struct arm_pci_msi	frame_msi;
     49 };
     50 
     51 int	gic_v2m_init(struct gic_v2m_frame *, device_t, uint32_t);
     52 
     53 #endif /* !_ARM_CORTEX_GIC_V2M_H */
     54