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  1. /*
  2.  * Copyright (C) 2005 Jakub Jermar
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifndef __MADT_H__
  30. #define __MADT_H__
  31.  
  32. #include <arch/acpi/acpi.h>
  33.  
  34. /* Multiple APIC Description Table */
  35. struct acpi_madt {
  36.     struct acpi_sdt_header header;
  37.     __u32 l_apic_address;
  38.     __u32 flags;
  39.     __u8  apic_strucure[];
  40. } __attribute__ ((packed));
  41.  
  42. #define MADT_L_APIC         0
  43. #define MADT_IO_APIC            1
  44. #define MADT_INTR_SRC_OVRD      2
  45. #define MADT_NMI_SRC            3
  46. #define MADT_L_APIC_NMI         4
  47. #define MADT_L_APIC_ADDR_OVRD       5
  48. #define MADT_IO_SAPIC           6
  49. #define MADT_L_SAPIC            7
  50. #define MADT_PLATFORM_INTR_SRC      8
  51. #define MADT_RESERVED_SKIP_BEGIN    9
  52. #define MADT_RESERVED_SKIP_END      127
  53. #define MADT_RESERVED_OEM_BEGIN     128
  54. #define MADT_RESERVED_OEM_END       255
  55.  
  56. struct madt_l_apic {
  57.     __u8 type;
  58.     __u8 length;
  59.     __u8 acpi_id;
  60.     __u8 apic_id;
  61.     __u32 flags;   
  62. } __attribute__ ((packed));
  63.  
  64. struct madt_io_apic {
  65.     __u8 type;
  66.     __u8 length;
  67.     __u8 io_apic_id;
  68.     __u8 reserved;
  69.     __u32 io_apic_address; 
  70.     __u32 global_intr_base;
  71. } __attribute__ ((packed));
  72.  
  73. struct madt_intr_src_ovrd {
  74.     __u8 type;
  75.     __u8 length;
  76.     __u8 bus;
  77.     __u8 source;
  78.     __u32 global_intr;
  79.     __u16 flags;
  80. } __attribute__ ((packed));
  81.  
  82. struct madt_nmi_src {
  83.     __u8 type;
  84.     __u8 length;
  85.     __u16 flags;
  86.     __u32 global_intr;
  87. } __attribute__ ((packed));
  88.  
  89. struct madt_l_apic_nmi {
  90.     __u8 type;
  91.     __u8 length;
  92.     __u8 acpi_id;
  93.     __u16 flags;
  94.     __u8 l_apic_lint;
  95. } __attribute__ ((packed));
  96.  
  97. struct madt_l_apic_addr_ovrd {
  98.     __u8 type;
  99.     __u8 length;
  100.     __u16 reserved;
  101.     __u64 l_apic_address;
  102. } __attribute__ ((packed));
  103.  
  104. struct madt_io_sapic {
  105.     __u8 type;
  106.     __u8 length;
  107.     __u8 io_apic_id;
  108.     __u8 reserved;
  109.     __u32 global_intr_base;
  110.     __u64 io_apic_address;     
  111. } __attribute__ ((packed));
  112.  
  113. struct madt_l_sapic {
  114.     __u8 type;
  115.     __u8 length;
  116.     __u8 acpi_id;
  117.     __u8 sapic_id;
  118.     __u8 sapic_eid;
  119.     __u8 reserved[3];
  120.     __u32 flags;
  121.     __u32 acpi_processor_uid_value;
  122.     __u8 acpi_processor_uid_str[1];
  123. } __attribute__ ((packed));
  124.  
  125. struct madt_platform_intr_src {
  126.     __u8 type;
  127.     __u8 length;
  128.     __u16 flags;
  129.     __u8 intr_type;
  130.     __u8 processor_id;
  131.     __u8 processor_eid;
  132.     __u8 io_sapic_vector;
  133.     __u32 global_intr;
  134.     __u32 platform_intr_src_flags;
  135. } __attribute__ ((packed));
  136.  
  137. extern struct acpi_madt *acpi_madt;
  138.  
  139. #endif /* __MADT_H__ */
  140.