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b4ead12d95
The GICv5 ITS will reuse some GICv3 ITS MSI parent functions therefore it makes sense to keep the code functionality in a compilation unit shared by the two drivers. Rename the GICv3 ITS MSI parent file and update the related Kconfig/Makefile entries to pave the way for code sharing. Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> Reviewed-by: Marc Zyngier <maz@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20250703-gicv5-host-v7-26-12e71f1b3528@kernel.org Signed-off-by: Marc Zyngier <maz@kernel.org>
36 lines
1 KiB
C
36 lines
1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2002 ARM Limited, All Rights Reserved.
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*/
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#ifndef _IRQ_GIC_COMMON_H
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#define _IRQ_GIC_COMMON_H
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#include <linux/of.h>
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#include <linux/irqdomain.h>
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#include <linux/msi.h>
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#include <linux/irqchip/arm-gic-common.h>
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struct gic_quirk {
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const char *desc;
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const char *compatible;
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const char *property;
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bool (*init)(void *data);
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u32 iidr;
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u32 mask;
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};
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int gic_configure_irq(unsigned int irq, unsigned int type,
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void __iomem *base);
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void gic_dist_config(void __iomem *base, int gic_irqs, u8 priority);
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void gic_cpu_config(void __iomem *base, int nr, u8 priority);
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void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,
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void *data);
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void gic_enable_of_quirks(const struct device_node *np,
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const struct gic_quirk *quirks, void *data);
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#define RDIST_FLAGS_PROPBASE_NEEDS_FLUSHING (1 << 0)
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#define RDIST_FLAGS_RD_TABLES_PREALLOCATED (1 << 1)
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#define RDIST_FLAGS_FORCE_NON_SHAREABLE (1 << 2)
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#endif /* _IRQ_GIC_COMMON_H */
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