xref: /linux/include/linux/irqchip/arm-vgic-info.h (revision bdd1a21b52557ea8f61d0a5dc2f77151b576eb70)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * include/linux/irqchip/arm-vgic-info.h
4  *
5  * Copyright (C) 2016 ARM Limited, All Rights Reserved.
6  */
7 #ifndef __LINUX_IRQCHIP_ARM_VGIC_INFO_H
8 #define __LINUX_IRQCHIP_ARM_VGIC_INFO_H
9 
10 #include <linux/types.h>
11 #include <linux/ioport.h>
12 
13 enum gic_type {
14 	/* Full GICv2 */
15 	GIC_V2,
16 	/* Full GICv3, optionally with v2 compat */
17 	GIC_V3,
18 };
19 
20 struct gic_kvm_info {
21 	/* GIC type */
22 	enum gic_type	type;
23 	/* Virtual CPU interface */
24 	struct resource vcpu;
25 	/* Interrupt number */
26 	unsigned int	maint_irq;
27 	/* No interrupt mask, no need to use the above field */
28 	bool		no_maint_irq_mask;
29 	/* Virtual control interface */
30 	struct resource vctrl;
31 	/* vlpi support */
32 	bool		has_v4;
33 	/* rvpeid support */
34 	bool		has_v4_1;
35 	/* Deactivation impared, subpar stuff */
36 	bool		no_hw_deactivation;
37 };
38 
39 #ifdef CONFIG_KVM
40 void vgic_set_kvm_info(const struct gic_kvm_info *info);
41 #else
42 static inline void vgic_set_kvm_info(const struct gic_kvm_info *info) {}
43 #endif
44 
45 #endif
46