From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/msidef.h | 55 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 arch/x86/include/asm/msidef.h (limited to 'arch/x86/include/asm/msidef.h') diff --git a/arch/x86/include/asm/msidef.h b/arch/x86/include/asm/msidef.h new file mode 100644 index 000000000000..ed9190246876 --- /dev/null +++ b/arch/x86/include/asm/msidef.h @@ -0,0 +1,55 @@ +#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 */ -- cgit v1.2.2