diff options
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r-- | include/asm-x86_64/msi.h | 7 | ||||
-rw-r--r-- | include/asm-x86_64/msidef.h | 47 |
2 files changed, 49 insertions, 5 deletions
diff --git a/include/asm-x86_64/msi.h b/include/asm-x86_64/msi.h index 3ad2346624b2..1876fda52ae3 100644 --- a/include/asm-x86_64/msi.h +++ b/include/asm-x86_64/msi.h | |||
@@ -10,14 +10,11 @@ | |||
10 | #include <asm/mach_apic.h> | 10 | #include <asm/mach_apic.h> |
11 | #include <asm/smp.h> | 11 | #include <asm/smp.h> |
12 | 12 | ||
13 | #define LAST_DEVICE_VECTOR (FIRST_SYSTEM_VECTOR - 1) | 13 | extern struct msi_ops arch_msi_ops; |
14 | #define MSI_TARGET_CPU_SHIFT 12 | ||
15 | |||
16 | extern struct msi_ops msi_apic_ops; | ||
17 | 14 | ||
18 | static inline int msi_arch_init(void) | 15 | static inline int msi_arch_init(void) |
19 | { | 16 | { |
20 | msi_register(&msi_apic_ops); | 17 | msi_register(&arch_msi_ops); |
21 | return 0; | 18 | return 0; |
22 | } | 19 | } |
23 | 20 | ||
diff --git a/include/asm-x86_64/msidef.h b/include/asm-x86_64/msidef.h new file mode 100644 index 000000000000..5b8acddb70fb --- /dev/null +++ b/include/asm-x86_64/msidef.h | |||
@@ -0,0 +1,47 @@ | |||
1 | #ifndef ASM_MSIDEF_H | ||
2 | #define ASM_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) & MSI_DATA_VECTOR_MASK) | ||
15 | |||
16 | #define MSI_DATA_DELIVERY_MODE_SHIFT 8 | ||
17 | #define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT) | ||
18 | #define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT) | ||
19 | |||
20 | #define MSI_DATA_LEVEL_SHIFT 14 | ||
21 | #define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT) | ||
22 | #define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT) | ||
23 | |||
24 | #define MSI_DATA_TRIGGER_SHIFT 15 | ||
25 | #define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT) | ||
26 | #define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT) | ||
27 | |||
28 | /* | ||
29 | * Shift/mask fields for msi address | ||
30 | */ | ||
31 | |||
32 | #define MSI_ADDR_BASE_HI 0 | ||
33 | #define MSI_ADDR_BASE_LO 0xfee00000 | ||
34 | |||
35 | #define MSI_ADDR_DEST_MODE_SHIFT 2 | ||
36 | #define MSI_ADDR_DEST_MODE_PHYSICAL (0 << MSI_ADDR_DEST_MODE_SHIFT) | ||
37 | #define MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT) | ||
38 | |||
39 | #define MSI_ADDR_REDIRECTION_SHIFT 3 | ||
40 | #define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT) /* dedicated cpu */ | ||
41 | #define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT) /* lowest priority */ | ||
42 | |||
43 | #define MSI_ADDR_DEST_ID_SHIFT 12 | ||
44 | #define MSI_ADDR_DEST_ID_MASK 0x00ffff0 | ||
45 | #define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & MSI_ADDR_DEST_ID_MASK) | ||
46 | |||
47 | #endif /* ASM_MSIDEF_H */ | ||