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Diffstat (limited to '')
| -rw-r--r-- | include/linux/irqchip/arm-gic-common.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h new file mode 100644 index 000000000..fa8c0455c --- /dev/null +++ b/include/linux/irqchip/arm-gic-common.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * include/linux/irqchip/arm-gic-common.h + * + * Copyright (C) 2016 ARM Limited, All Rights Reserved. + */ +#ifndef __LINUX_IRQCHIP_ARM_GIC_COMMON_H +#define __LINUX_IRQCHIP_ARM_GIC_COMMON_H + +#include <linux/types.h> +#include <linux/ioport.h> + +#define GICD_INT_DEF_PRI 0xa0 +#define GICD_INT_DEF_PRI_X4 ((GICD_INT_DEF_PRI << 24) |\ + (GICD_INT_DEF_PRI << 16) |\ + (GICD_INT_DEF_PRI << 8) |\ + GICD_INT_DEF_PRI) + +enum gic_type { + GIC_V2, + GIC_V3, +}; + +struct gic_kvm_info { + /* GIC type */ + enum gic_type type; + /* Virtual CPU interface */ + struct resource vcpu; + /* Interrupt number */ + unsigned int maint_irq; + /* Virtual control interface */ + struct resource vctrl; + /* vlpi support */ + bool has_v4; + /* rvpeid support */ + bool has_v4_1; +}; + +const struct gic_kvm_info *gic_get_kvm_info(void); + +struct irq_domain; +struct fwnode_handle; +int gicv2m_init(struct fwnode_handle *parent_handle, + struct irq_domain *parent); + +#endif /* __LINUX_IRQCHIP_ARM_GIC_COMMON_H */ |