MSI_DATA_TRIGGER_SHIFT   26 include/asm-x86/msidef.h #define  MSI_DATA_TRIGGER_EDGE		(0 << MSI_DATA_TRIGGER_SHIFT)
MSI_DATA_TRIGGER_SHIFT   27 include/asm-x86/msidef.h #define  MSI_DATA_TRIGGER_LEVEL		(1 << MSI_DATA_TRIGGER_SHIFT)