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/* ioapic_priv.h - private IOAPIC APIs */ /* * Copyright (c) 2012-2015 Wind River Systems, Inc. * Copyright (c) 2015 Intel Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #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 |