1 #ifndef _ASM_X86_MSIDEF_H 2 #define _ASM_X86_MSIDEF_H 3 4 /* 5 * Constants for Intel APIC based MSI messages. 6 */ 7 8 /* 9 * Shifts for MSI data 10 */ 11 12 #define MSI_DATA_VECTOR_SHIFT 0 13 #define MSI_DATA_VECTOR_MASK 0x000000ff 14 #define MSI_DATA_VECTOR(v) (((v) << MSI_DATA_VECTOR_SHIFT) & \ 15 MSI_DATA_VECTOR_MASK) 16 17 #define MSI_DATA_DELIVERY_MODE_SHIFT 8 18 #define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT) 19 #define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT) 20 21 #define MSI_DATA_LEVEL_SHIFT 14 22 #define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT) 23 #define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT) 24 25 #define MSI_DATA_TRIGGER_SHIFT 15 26 #define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT) 27 #define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT) 28 29 /* 30 * Shift/mask fields for msi address 31 */ 32 33 #define MSI_ADDR_BASE_HI 0 34 #define MSI_ADDR_BASE_LO 0xfee00000 35 36 #define MSI_ADDR_DEST_MODE_SHIFT 2 37 #define MSI_ADDR_DEST_MODE_PHYSICAL (0 << MSI_ADDR_DEST_MODE_SHIFT) 38 #define MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT) 39 40 #define MSI_ADDR_REDIRECTION_SHIFT 3 41 #define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT) 42 /* dedicated cpu */ 43 #define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT) 44 /* lowest priority */ 45 46 #define MSI_ADDR_DEST_ID_SHIFT 12 47 #define MSI_ADDR_DEST_ID_MASK 0x00ffff0 48 #define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \ 49 MSI_ADDR_DEST_ID_MASK) 50 #define MSI_ADDR_EXT_DEST_ID(dest) ((dest) & 0xffffff00) 51 52 #define MSI_ADDR_IR_EXT_INT (1 << 4) 53 #define MSI_ADDR_IR_SHV (1 << 3) 54 #define MSI_ADDR_IR_INDEX1(index) ((index & 0x8000) >> 13) 55 #define MSI_ADDR_IR_INDEX2(index) ((index & 0x7fff) << 5) 56 #endif /* _ASM_X86_MSIDEF_H */ 57