linux-zen-desktop/tools/testing/selftests/kvm/include/aarch64/gic.h

48 lines
1.4 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* ARM Generic Interrupt Controller (GIC) specific defines
*/
#ifndef SELFTEST_KVM_GIC_H
#define SELFTEST_KVM_GIC_H
enum gic_type {
GIC_V3,
GIC_TYPE_MAX,
};
#define MIN_SGI 0
#define MIN_PPI 16
#define MIN_SPI 32
#define MAX_SPI 1019
#define IAR_SPURIOUS 1023
#define INTID_IS_SGI(intid) (0 <= (intid) && (intid) < MIN_PPI)
#define INTID_IS_PPI(intid) (MIN_PPI <= (intid) && (intid) < MIN_SPI)
#define INTID_IS_SPI(intid) (MIN_SPI <= (intid) && (intid) <= MAX_SPI)
void gic_init(enum gic_type type, unsigned int nr_cpus,
void *dist_base, void *redist_base);
void gic_irq_enable(unsigned int intid);
void gic_irq_disable(unsigned int intid);
unsigned int gic_get_and_ack_irq(void);
void gic_set_eoi(unsigned int intid);
void gic_set_dir(unsigned int intid);
/*
* Sets the EOI mode. When split is false, EOI just drops the priority. When
* split is true, EOI drops the priority and deactivates the interrupt.
*/
void gic_set_eoi_split(bool split);
void gic_set_priority_mask(uint64_t mask);
void gic_set_priority(uint32_t intid, uint32_t prio);
void gic_irq_set_active(unsigned int intid);
void gic_irq_clear_active(unsigned int intid);
bool gic_irq_get_active(unsigned int intid);
void gic_irq_set_pending(unsigned int intid);
void gic_irq_clear_pending(unsigned int intid);
bool gic_irq_get_pending(unsigned int intid);
void gic_irq_set_config(unsigned int intid, bool is_edge);
#endif /* SELFTEST_KVM_GIC_H */