GITS_TYPER_DEVBITS_SHIFT 340 include/linux/irqchip/arm-gic-v3.h #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) GITS_TYPER_DEVBITS_SHIFT 481 virt/kvm/arm/vgic/vgic-its.c reg |= GIC_ENCODE_SZ(VITS_TYPER_DEVBITS, 5) << GITS_TYPER_DEVBITS_SHIFT;