]>
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 */ |