AML_RESOURCE_IRQ
Rnode = RsAllocateResourceNode (sizeof (AML_RESOURCE_IRQ));
sizeof (AML_RESOURCE_IRQ), /* ACPI_RESOURCE_TYPE_IRQ (optional Byte 3 always created) */
sizeof (AML_RESOURCE_IRQ),
{ACPI_RSC_LENGTH, 0, 0, sizeof (AML_RESOURCE_IRQ)},
ACPI_AML_SIZE_SMALL (AML_RESOURCE_IRQ),
AML_RESOURCE_IRQ Irq;