MSI_ADDR_REDIRECTION_SHIFT   41 include/asm-x86/msidef.h #define  MSI_ADDR_REDIRECTION_CPU	(0 << MSI_ADDR_REDIRECTION_SHIFT)
MSI_ADDR_REDIRECTION_SHIFT   43 include/asm-x86/msidef.h #define  MSI_ADDR_REDIRECTION_LOWPRI	(1 << MSI_ADDR_REDIRECTION_SHIFT)