xref: /netbsd-src/sys/arch/arm/cortex/gic_v2m.h (revision 923165b543b809c7fc79a1992a06fe5c586cf5be)
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@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