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| File: [Development] / linux-2.6-xfs-all / include / asm-x86 / msidef.h (download)
Revision 1.2, Mon Aug 4 17:03:13 2008 UTC (9 years, 2 months ago) by lachlan.longdrop.melbourne.sgi.com
Merge up to 2.6.26 Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd. |
#ifndef ASM_MSIDEF_H #define ASM_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) #endif /* ASM_MSIDEF_H */