projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1965aae3 PA |
2 | #ifndef _ASM_X86_MSIDEF_H |
| 3 | #define _ASM_X86_MSIDEF_H | |
| 2d3fcc1c EB |
4 | |
| 5 | /* | |
| 6 | * Constants for Intel APIC based MSI messages. | |
| 7 | */ | |
| 8 | ||
| 9 | /* | |
| 10 | * Shifts for MSI data | |
| 11 | */ | |
| 12 | ||
| 13 | #define MSI_DATA_VECTOR_SHIFT 0 | |
| 14 | #define MSI_DATA_VECTOR_MASK 0x000000ff | |
| 934902b4 JP |
15 | #define MSI_DATA_VECTOR(v) (((v) << MSI_DATA_VECTOR_SHIFT) & \ |
| 16 | MSI_DATA_VECTOR_MASK) | |
| 2d3fcc1c EB |
17 | |
| 18 | #define MSI_DATA_DELIVERY_MODE_SHIFT 8 | |
| 19 | #define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT) | |
| 20 | #define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT) | |
| 21 | ||
| 22 | #define MSI_DATA_LEVEL_SHIFT 14 | |
| 23 | #define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT) | |
| 24 | #define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT) | |
| 25 | ||
| 26 | #define MSI_DATA_TRIGGER_SHIFT 15 | |
| 27 | #define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT) | |
| 28 | #define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT) | |
| 29 | ||
| 30 | /* | |
| 31 | * Shift/mask fields for msi address | |
| 32 | */ | |
| 33 | ||
| 34 | #define MSI_ADDR_BASE_HI 0 | |
| 35 | #define MSI_ADDR_BASE_LO 0xfee00000 | |
| 36 | ||
| 37 | #define MSI_ADDR_DEST_MODE_SHIFT 2 | |
| 38 | #define MSI_ADDR_DEST_MODE_PHYSICAL (0 << MSI_ADDR_DEST_MODE_SHIFT) | |
| 39 | #define MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT) | |
| 40 | ||
| 41 | #define MSI_ADDR_REDIRECTION_SHIFT 3 | |
| 934902b4 JP |
42 | #define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT) |
| 43 | /* dedicated cpu */ | |
| 44 | #define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT) | |
| 45 | /* lowest priority */ | |
| 2d3fcc1c EB |
46 | |
| 47 | #define MSI_ADDR_DEST_ID_SHIFT 12 | |
| 48 | #define MSI_ADDR_DEST_ID_MASK 0x00ffff0 | |
| 934902b4 JP |
49 | #define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \ |
| 50 | MSI_ADDR_DEST_ID_MASK) | |
| 9d783ba0 | 51 | #define MSI_ADDR_EXT_DEST_ID(dest) ((dest) & 0xffffff00) |
| 2d3fcc1c | 52 | |
| 75c46fa6 SS |
53 | #define MSI_ADDR_IR_EXT_INT (1 << 4) |
| 54 | #define MSI_ADDR_IR_SHV (1 << 3) | |
| 55 | #define MSI_ADDR_IR_INDEX1(index) ((index & 0x8000) >> 13) | |
| 56 | #define MSI_ADDR_IR_INDEX2(index) ((index & 0x7fff) << 5) | |
| 1965aae3 | 57 | #endif /* _ASM_X86_MSIDEF_H */ |