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v0.8.1
https://github.com/torvalds/linux
02 December 2023, 22:23:51 UTC
Revision a41d7f000447015f3f5fe7223f1d53845268e2e8 authored by Linus Torvalds on 25 May 2007, 22:48:24 UTC, committed by Linus Torvalds on 25 May 2007, 22:48:24 UTC 
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
 
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_hpt37x: Further improvements based on the IDE updates and vendor drivers
  pata: Trivia
  [libata] sata_via, pata_via: Add PCI IDs.
  [libata] Fix decoding of 6-byte commands
  libata: sata_sis fixes
  Fix build failure for drivers/ata/pata_scc.c
  [libata] sata_mv: add TODO list
  [libata] sata_promise: fix flags typo
2 parent s d9b08b9 + 960c8a1
Raw File
Tip revision: a41d7f000447015f3f5fe7223f1d53845268e2e8 authored by Linus Torvalds on 25 May 2007, 22:48:24 UTC
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
Tip revision: a41d7f0
msidef.h 
#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 */
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