projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 986d1dfb | 1 | /** @file\r |
| 5a702acd | 2 | I/O APIC Register Definitions from 82093AA I/O Advanced Programmable Interrupt\r |
| 986d1dfb | 3 | Controller (IOAPIC), 1996.\r |
| 5a702acd LG |
4 | \r |
| 5 | Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>\r | |
| e1d302e5 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 986d1dfb | 7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #ifndef __IO_APIC_H__\r | |
| 11 | #define __IO_APIC_H__\r | |
| 12 | \r | |
| 13 | ///\r | |
| 14 | /// I/O APIC Register Offsets\r | |
| 15 | ///\r | |
| 16 | #define IOAPIC_INDEX_OFFSET 0x00\r | |
| 17 | #define IOAPIC_DATA_OFFSET 0x10\r | |
| 18 | \r | |
| 19 | ///\r | |
| 20 | /// I/O APIC Indirect Register Indexes\r | |
| 21 | ///\r | |
| 22 | #define IO_APIC_IDENTIFICATION_REGISTER_INDEX 0x00\r | |
| 23 | #define IO_APIC_VERSION_REGISTER_INDEX 0x01\r | |
| 24 | #define IO_APIC_REDIRECTION_TABLE_ENTRY_INDEX 0x10\r | |
| 25 | \r | |
| 26 | ///\r | |
| 27 | /// I/O APIC Interrupt Deliver Modes\r | |
| 28 | ///\r | |
| 29 | #define IO_APIC_DELIVERY_MODE_FIXED 0\r | |
| 30 | #define IO_APIC_DELIVERY_MODE_LOWEST_PRIORITY 1\r | |
| 31 | #define IO_APIC_DELIVERY_MODE_SMI 2\r | |
| 32 | #define IO_APIC_DELIVERY_MODE_NMI 4\r | |
| 33 | #define IO_APIC_DELIVERY_MODE_INIT 5\r | |
| 34 | #define IO_APIC_DELIVERY_MODE_EXTINT 7\r | |
| 35 | \r | |
| 36 | #pragma pack(1)\r | |
| 37 | \r | |
| 38 | typedef union {\r | |
| 39 | struct {\r | |
| 5220bd21 MK |
40 | UINT32 Reserved0 : 24;\r |
| 41 | UINT32 Identification : 4;\r | |
| 42 | UINT32 Reserved1 : 4;\r | |
| 986d1dfb | 43 | } Bits;\r |
| 5220bd21 | 44 | UINT32 Uint32;\r |
| 986d1dfb | 45 | } IO_APIC_IDENTIFICATION_REGISTER;\r |
| 46 | \r | |
| 47 | typedef union {\r | |
| 48 | struct {\r | |
| 5220bd21 MK |
49 | UINT32 Version : 8;\r |
| 50 | UINT32 Reserved0 : 8;\r | |
| 51 | UINT32 MaximumRedirectionEntry : 8;\r | |
| 52 | UINT32 Reserved1 : 8;\r | |
| 986d1dfb | 53 | } Bits;\r |
| 5220bd21 | 54 | UINT32 Uint32;\r |
| 986d1dfb | 55 | } IO_APIC_VERSION_REGISTER;\r |
| 56 | \r | |
| 57 | typedef union {\r | |
| 58 | struct {\r | |
| 5220bd21 MK |
59 | UINT32 Vector : 8;\r |
| 60 | UINT32 DeliveryMode : 3;\r | |
| 61 | UINT32 DestinationMode : 1;\r | |
| 62 | UINT32 DeliveryStatus : 1;\r | |
| 63 | UINT32 Polarity : 1;\r | |
| 64 | UINT32 RemoteIRR : 1;\r | |
| 65 | UINT32 TriggerMode : 1;\r | |
| 66 | UINT32 Mask : 1;\r | |
| 67 | UINT32 Reserved0 : 15;\r | |
| 68 | UINT32 Reserved1 : 24;\r | |
| 69 | UINT32 DestinationID : 8;\r | |
| 986d1dfb | 70 | } Bits;\r |
| 71 | struct {\r | |
| 5220bd21 MK |
72 | UINT32 Low;\r |
| 73 | UINT32 High;\r | |
| 986d1dfb | 74 | } Uint32;\r |
| 5220bd21 | 75 | UINT64 Uint64;\r |
| 986d1dfb | 76 | } IO_APIC_REDIRECTION_TABLE_ENTRY;\r |
| 77 | \r | |
| 78 | #pragma pack()\r | |
| 79 | \r | |
| 80 | #endif\r |