cregit-Linux how code gets into the kernel

Release 4.14 arch/x86/include/asm/msidef.h

/* SPDX-License-Identifier: GPL-2.0 */
#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 */

Overall Contributors

PersonTokensPropCommitsCommitProp
Eric W. Biedermann10775.35%116.67%
Suresh B. Siddha2920.42%233.33%
H. Peter Anvin32.11%116.67%
Joe Perches21.41%116.67%
Greg Kroah-Hartman10.70%116.67%
Total142100.00%6100.00%
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