intel-ioapic.h

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/*
 * Copyright (c) 2017 Linaro Limited
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_INTERRUPT_CONTROLLER_INTEL_IOAPIC_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_INTERRUPT_CONTROLLER_INTEL_IOAPIC_H_
 
#define IRQ_TYPE_LEVEL                  0x00008000
#define IRQ_TYPE_EDGE                   0x00000000
#define IRQ_TYPE_LOW                    0x00002000
#define IRQ_TYPE_HIGH                   0x00000000
#define IRQ_DELIVERY_LOWEST             0x00000100
#define IRQ_DELIVERY_FIXED              0x00000000
 
/*
 * for most device interrupts, lowest priority delivery is preferred
 * since this ensures only one CPU gets the interrupt in SMP systems.
 */
#define IRQ_TYPE_LOWEST_EDGE_RISING             (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
#define IRQ_TYPE_LOWEST_EDGE_FALLING            (IRQ_DELIVERY_LOWEST | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
#define IRQ_TYPE_LOWEST_LEVEL_HIGH              (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
#define IRQ_TYPE_LOWEST_LEVEL_LOW               (IRQ_DELIVERY_LOWEST | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
 
/* for interrupts that want to be delivered to all CPUs, e.g. HPET */
#define IRQ_TYPE_FIXED_EDGE_RISING              (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_HIGH)
#define IRQ_TYPE_FIXED_EDGE_FALLING             (IRQ_DELIVERY_FIXED | IRQ_TYPE_EDGE | IRQ_TYPE_LOW)
#define IRQ_TYPE_FIXED_LEVEL_HIGH               (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_HIGH)
#define IRQ_TYPE_FIXED_LEVEL_LOW                (IRQ_DELIVERY_FIXED | IRQ_TYPE_LEVEL | IRQ_TYPE_LOW)
 
#endif