// Public nt-lite DDK interrupt declarations.

#pragma once

#include <stdint.h>
#include <ntlite/status.h>

typedef struct NTL_DDK_MSI_MESSAGE {
    uint64_t Address;
    uint32_t Data;
    uint32_t Reserved;
} NTL_DDK_MSI_MESSAGE;

// Driver-visible interrupt services.
typedef struct NTL_DDK_INTERRUPT {
    KSTATUS (*AllocateMsiVector)(uint8_t* outIrq);
    KSTATUS (*ComposeMsiMessage)(uint8_t irq, NTL_DDK_MSI_MESSAGE* messageOut);
} NTL_DDK_INTERRUPT;

// Allocates one kernel IRQ slot for MSI delivery.
__declspec(dllexport) KSTATUS KeIrqAllocateMsiVector(uint8_t* outIrq);

// Registers a legacy interrupt handler for an IRQ slot.
__declspec(dllexport) void KeIrqRegister(uint8_t irq, void (*handler)(void));