| 1 | /*
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| 2 | * Copyright (C) 2005 Jakub Jermar
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | #ifndef __MADT_H__
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| 30 | #define __MADT_H__
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| 31 |
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| 32 | #include <arch/acpi/acpi.h>
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| 33 | #include <arch/smp/apic.h>
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| 34 |
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| 35 | #define MADT_L_APIC 0
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| 36 | #define MADT_IO_APIC 1
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| 37 | #define MADT_INTR_SRC_OVRD 2
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| 38 | #define MADT_NMI_SRC 3
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| 39 | #define MADT_L_APIC_NMI 4
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| 40 | #define MADT_L_APIC_ADDR_OVRD 5
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| 41 | #define MADT_IO_SAPIC 6
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| 42 | #define MADT_L_SAPIC 7
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| 43 | #define MADT_PLATFORM_INTR_SRC 8
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| 44 | #define MADT_RESERVED_SKIP_BEGIN 9
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| 45 | #define MADT_RESERVED_SKIP_END 127
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| 46 | #define MADT_RESERVED_OEM_BEGIN 128
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| 47 |
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| 48 | struct madt_apic_header {
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| 49 | __u8 type;
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| 50 | __u8 length;
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| 51 | } __attribute__ ((packed));
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| 52 |
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| 53 |
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| 54 | /* Multiple APIC Description Table */
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| 55 | struct acpi_madt {
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| 56 | struct acpi_sdt_header header;
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| 57 | __u32 l_apic_address;
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| 58 | __u32 flags;
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| 59 | struct madt_apic_header apic_header[];
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| 60 | } __attribute__ ((packed));
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| 61 |
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| 62 | struct madt_l_apic {
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| 63 | struct madt_apic_header header;
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| 64 | __u8 acpi_id;
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| 65 | __u8 apic_id;
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| 66 | __u32 flags;
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| 67 | } __attribute__ ((packed));
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| 68 |
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| 69 | struct madt_io_apic {
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| 70 | struct madt_apic_header header;
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| 71 | __u8 io_apic_id;
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| 72 | __u8 reserved;
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| 73 | __u32 io_apic_address;
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| 74 | __u32 global_intr_base;
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| 75 | } __attribute__ ((packed));
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| 76 |
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| 77 | struct madt_intr_src_ovrd {
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| 78 | struct madt_apic_header header;
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| 79 | __u8 bus;
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| 80 | __u8 source;
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| 81 | __u32 global_intr;
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| 82 | __u16 flags;
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| 83 | } __attribute__ ((packed));
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| 84 |
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| 85 | struct madt_nmi_src {
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| 86 | struct madt_apic_header header;
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| 87 | __u16 flags;
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| 88 | __u32 global_intr;
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| 89 | } __attribute__ ((packed));
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| 90 |
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| 91 | struct madt_l_apic_nmi {
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| 92 | struct madt_apic_header header;
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| 93 | __u8 acpi_id;
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| 94 | __u16 flags;
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| 95 | __u8 l_apic_lint;
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| 96 | } __attribute__ ((packed));
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| 97 |
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| 98 | struct madt_l_apic_addr_ovrd {
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| 99 | struct madt_apic_header header;
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| 100 | __u16 reserved;
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| 101 | __u64 l_apic_address;
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| 102 | } __attribute__ ((packed));
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| 103 |
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| 104 | struct madt_io_sapic {
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| 105 | struct madt_apic_header header;
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| 106 | __u8 io_apic_id;
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| 107 | __u8 reserved;
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| 108 | __u32 global_intr_base;
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| 109 | __u64 io_apic_address;
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| 110 | } __attribute__ ((packed));
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| 111 |
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| 112 | struct madt_l_sapic {
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| 113 | struct madt_apic_header header;
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| 114 | __u8 acpi_id;
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| 115 | __u8 sapic_id;
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| 116 | __u8 sapic_eid;
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| 117 | __u8 reserved[3];
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| 118 | __u32 flags;
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| 119 | __u32 acpi_processor_uid_value;
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| 120 | __u8 acpi_processor_uid_str[1];
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| 121 | } __attribute__ ((packed));
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| 122 |
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| 123 | struct madt_platform_intr_src {
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| 124 | struct madt_apic_header header;
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| 125 | __u16 flags;
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| 126 | __u8 intr_type;
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| 127 | __u8 processor_id;
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| 128 | __u8 processor_eid;
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| 129 | __u8 io_sapic_vector;
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| 130 | __u32 global_intr;
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| 131 | __u32 platform_intr_src_flags;
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| 132 | } __attribute__ ((packed));
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| 133 |
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| 134 | extern struct acpi_madt *acpi_madt;
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| 135 |
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| 136 | extern void acpi_madt_parse(void);
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| 137 |
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| 138 | #endif /* __MADT_H__ */
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