mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-24 21:24:00 +08:00
9d783ba042
Impact: interface augmentation (not yet used) Enable fault handling flow for intr-remapping aswell. Fault handling code now shared by both dma-remapping and intr-remapping. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
57 lines
1.7 KiB
C
57 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_EXT_DEST_ID(dest) ((dest) & 0xffffff00)
|
|
|
|
#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 */
|