mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
synced 2026-04-21 04:53:46 -04:00
90b4c55586
Add support for Amazon Graviton custom variant of GICv2m, where the message is encoded using the MSI message address, as opposed to standard GICv2m, where the SPI number is encoded in the MSI message data. In addition, the Graviton flavor of GICv2m is used along GICv3 (and not GICv2). Co-developed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Zeev Zilberman <zeev@amazon.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/*
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* include/linux/irqchip/arm-gic-common.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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __LINUX_IRQCHIP_ARM_GIC_COMMON_H
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#define __LINUX_IRQCHIP_ARM_GIC_COMMON_H
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#include <linux/types.h>
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#include <linux/ioport.h>
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#define GICD_INT_DEF_PRI 0xa0
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#define GICD_INT_DEF_PRI_X4 ((GICD_INT_DEF_PRI << 24) |\
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(GICD_INT_DEF_PRI << 16) |\
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(GICD_INT_DEF_PRI << 8) |\
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GICD_INT_DEF_PRI)
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enum gic_type {
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GIC_V2,
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GIC_V3,
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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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/* Interrupt number */
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unsigned int maint_irq;
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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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};
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const struct gic_kvm_info *gic_get_kvm_info(void);
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struct irq_domain;
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struct fwnode_handle;
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int gicv2m_init(struct fwnode_handle *parent_handle,
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struct irq_domain *parent);
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#endif /* __LINUX_IRQCHIP_ARM_GIC_COMMON_H */
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