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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2026-08-09 06:14:34 +02:00
Marc ZyngierandOliver Upton
fa8f11e8e1
Future changes will require KVM to be able to perform deactivations by writing to the physical CPU interface. Add the corresponding VA to the kvm_info structure, and let KVM stash it. Tested-by: Fuad Tabba <tabba@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Tested-by: Mark Brown <broonie@kernel.org> Link: https://msgid.link/20251120172540.2267180-3-maz@kernel.org Signed-off-by: Oliver Upton <oupton@kernel.org>
50 lines
1.1 KiB
C
50 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* include/linux/irqchip/arm-vgic-info.h
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*
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* Copyright (C) 2016 ARM Limited, All Rights Reserved.
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*/
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#ifndef __LINUX_IRQCHIP_ARM_VGIC_INFO_H
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#define __LINUX_IRQCHIP_ARM_VGIC_INFO_H
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#include <linux/types.h>
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#include <linux/ioport.h>
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enum gic_type {
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/* Full GICv2 */
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GIC_V2,
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/* Full GICv3, optionally with v2 compat */
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GIC_V3,
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/* Full GICv5, optionally with v3 compat */
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GIC_V5,
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};
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struct gic_kvm_info {
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/* GIC type */
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enum gic_type type;
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/* Virtual CPU interface */
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struct resource vcpu;
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/* GICv2 GICC VA */
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void __iomem *gicc_base;
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/* Interrupt number */
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unsigned int maint_irq;
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/* No interrupt mask, no need to use the above field */
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bool no_maint_irq_mask;
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/* Virtual control interface */
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struct resource vctrl;
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/* vlpi support */
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bool has_v4;
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/* rvpeid support */
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bool has_v4_1;
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/* Deactivation impared, subpar stuff */
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bool no_hw_deactivation;
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};
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#ifdef CONFIG_KVM
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void vgic_set_kvm_info(const struct gic_kvm_info *info);
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#else
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static inline void vgic_set_kvm_info(const struct gic_kvm_info *info) {}
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#endif
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#endif
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