android_kernel_motorola_sm6225/include/asm-x86/msidef.h
Ingo Molnar 6dec3a10a7 Merge branch 'x86/x2apic' into x86/core
Conflicts:

	include/asm-x86/i8259.h
	include/asm-x86/msidef.h

Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-07-26 16:29:23 +02:00

55 lines
1.7 KiB
C

#ifndef ASM_X86__MSIDEF_H
#define ASM_X86__MSIDEF_H
/*
* Constants for Intel APIC based MSI messages.
*/
/*
* Shifts for MSI data
*/
#define MSI_DATA_VECTOR_SHIFT 0
#define MSI_DATA_VECTOR_MASK 0x000000ff
#define MSI_DATA_VECTOR(v) (((v) << MSI_DATA_VECTOR_SHIFT) & \
MSI_DATA_VECTOR_MASK)
#define MSI_DATA_DELIVERY_MODE_SHIFT 8
#define MSI_DATA_DELIVERY_FIXED (0 << MSI_DATA_DELIVERY_MODE_SHIFT)
#define MSI_DATA_DELIVERY_LOWPRI (1 << MSI_DATA_DELIVERY_MODE_SHIFT)
#define MSI_DATA_LEVEL_SHIFT 14
#define MSI_DATA_LEVEL_DEASSERT (0 << MSI_DATA_LEVEL_SHIFT)
#define MSI_DATA_LEVEL_ASSERT (1 << MSI_DATA_LEVEL_SHIFT)
#define MSI_DATA_TRIGGER_SHIFT 15
#define MSI_DATA_TRIGGER_EDGE (0 << MSI_DATA_TRIGGER_SHIFT)
#define MSI_DATA_TRIGGER_LEVEL (1 << MSI_DATA_TRIGGER_SHIFT)
/*
* Shift/mask fields for msi address
*/
#define MSI_ADDR_BASE_HI 0
#define MSI_ADDR_BASE_LO 0xfee00000
#define MSI_ADDR_DEST_MODE_SHIFT 2
#define MSI_ADDR_DEST_MODE_PHYSICAL (0 << MSI_ADDR_DEST_MODE_SHIFT)
#define MSI_ADDR_DEST_MODE_LOGICAL (1 << MSI_ADDR_DEST_MODE_SHIFT)
#define MSI_ADDR_REDIRECTION_SHIFT 3
#define MSI_ADDR_REDIRECTION_CPU (0 << MSI_ADDR_REDIRECTION_SHIFT)
/* dedicated cpu */
#define MSI_ADDR_REDIRECTION_LOWPRI (1 << MSI_ADDR_REDIRECTION_SHIFT)
/* lowest priority */
#define MSI_ADDR_DEST_ID_SHIFT 12
#define MSI_ADDR_DEST_ID_MASK 0x00ffff0
#define MSI_ADDR_DEST_ID(dest) (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \
MSI_ADDR_DEST_ID_MASK)
#define MSI_ADDR_IR_EXT_INT (1 << 4)
#define MSI_ADDR_IR_SHV (1 << 3)
#define MSI_ADDR_IR_INDEX1(index) ((index & 0x8000) >> 13)
#define MSI_ADDR_IR_INDEX2(index) ((index & 0x7fff) << 5)
#endif /* ASM_X86__MSIDEF_H */