52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
/* ioapic_priv.h - private IOAPIC APIs */
|
|
|
|
/*
|
|
* Copyright (c) 2012-2015 Wind River Systems, Inc.
|
|
* Copyright (c) 2015 Intel Corporation
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef __INCioapic_privh
|
|
#define __INCioapic_privh
|
|
|
|
/* IO APIC direct register offsets */
|
|
|
|
#define IOAPIC_IND 0x00 /* Index Register */
|
|
#define IOAPIC_DATA 0x10 /* IO window (data) - pc.h */
|
|
#define IOAPIC_IRQPA 0x20 /* IRQ Pin Assertion Register */
|
|
#define IOAPIC_EOI 0x40 /* EOI Register */
|
|
|
|
/* IO APIC indirect register offset */
|
|
|
|
#define IOAPIC_ID 0x00 /* IOAPIC ID */
|
|
#define IOAPIC_VERS 0x01 /* IOAPIC Version */
|
|
#define IOAPIC_ARB 0x02 /* IOAPIC Arbitration ID */
|
|
#define IOAPIC_BOOT 0x03 /* IOAPIC Boot Configuration */
|
|
#define IOAPIC_REDTBL 0x10 /* Redirection Table (24 * 64bit) */
|
|
|
|
/* Interrupt delivery type */
|
|
|
|
#define IOAPIC_DT_APIC 0x0 /* APIC serial bus */
|
|
#define IOAPIC_DT_FS 0x1 /* Front side bus message*/
|
|
|
|
/* Version register bits */
|
|
|
|
#define IOAPIC_MRE_MASK 0x00ff0000 /* Max Red. entry mask */
|
|
#define IOAPIC_PRQ 0x00008000 /* this has IRQ reg */
|
|
#define IOAPIC_VERSION 0x000000ff /* version number */
|
|
|
|
/* Redirection table entry number */
|
|
|
|
#define MAX_REDTABLE_ENTRIES 24
|
|
|
|
/* Redirection table entry bits: upper 32 bit */
|
|
|
|
#define IOAPIC_DESTINATION 0xff000000
|
|
|
|
/* Redirection table entry bits: lower 32 bit */
|
|
|
|
#define IOAPIC_VEC_MASK 0x000000ff
|
|
|
|
#endif
|