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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 <genarch/acpi/acpi.h>
  33. #include <arch/smp/apic.h>
  34. #include <arch/smp/smp.h>
  35.  
  36. #define MADT_L_APIC         0
  37. #define MADT_IO_APIC            1
  38. #define MADT_INTR_SRC_OVRD      2
  39. #define MADT_NMI_SRC            3
  40. #define MADT_L_APIC_NMI         4
  41. #define MADT_L_APIC_ADDR_OVRD       5
  42. #define MADT_IO_SAPIC           6
  43. #define MADT_L_SAPIC            7
  44. #define MADT_PLATFORM_INTR_SRC      8
  45. #define MADT_RESERVED_SKIP_BEGIN    9
  46. #define MADT_RESERVED_SKIP_END      127
  47. #define MADT_RESERVED_OEM_BEGIN     128
  48.  
  49. struct madt_apic_header {
  50.     __u8 type;
  51.     __u8 length;
  52. } __attribute__ ((packed));
  53.  
  54.  
  55. /* Multiple APIC Description Table */
  56. struct acpi_madt {
  57.     struct acpi_sdt_header header;
  58.     __u32 l_apic_address;
  59.     __u32 flags;
  60.     struct madt_apic_header apic_header[];
  61. } __attribute__ ((packed));
  62.  
  63. struct madt_l_apic {
  64.     struct madt_apic_header header;
  65.     __u8 acpi_id;
  66.     __u8 apic_id;
  67.     __u32 flags;   
  68. } __attribute__ ((packed));
  69.  
  70. struct madt_io_apic {
  71.     struct madt_apic_header header;
  72.     __u8 io_apic_id;
  73.     __u8 reserved;
  74.     __u32 io_apic_address; 
  75.     __u32 global_intr_base;
  76. } __attribute__ ((packed));
  77.  
  78. struct madt_intr_src_ovrd {
  79.     struct madt_apic_header header;
  80.     __u8 bus;
  81.     __u8 source;
  82.     __u32 global_intr;
  83.     __u16 flags;
  84. } __attribute__ ((packed));
  85.  
  86. struct madt_nmi_src {
  87.     struct madt_apic_header header;
  88.     __u16 flags;
  89.     __u32 global_intr;
  90. } __attribute__ ((packed));
  91.  
  92. struct madt_l_apic_nmi {
  93.     struct madt_apic_header header;
  94.     __u8 acpi_id;
  95.     __u16 flags;
  96.     __u8 l_apic_lint;
  97. } __attribute__ ((packed));
  98.  
  99. struct madt_l_apic_addr_ovrd {
  100.     struct madt_apic_header header;
  101.     __u16 reserved;
  102.     __u64 l_apic_address;
  103. } __attribute__ ((packed));
  104.  
  105. struct madt_io_sapic {
  106.     struct madt_apic_header header;
  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.     struct madt_apic_header header;
  115.     __u8 acpi_id;
  116.     __u8 sapic_id;
  117.     __u8 sapic_eid;
  118.     __u8 reserved[3];
  119.     __u32 flags;
  120.     __u32 acpi_processor_uid_value;
  121.     __u8 acpi_processor_uid_str[1];
  122. } __attribute__ ((packed));
  123.  
  124. struct madt_platform_intr_src {
  125.     struct madt_apic_header header;
  126.     __u16 flags;
  127.     __u8 intr_type;
  128.     __u8 processor_id;
  129.     __u8 processor_eid;
  130.     __u8 io_sapic_vector;
  131.     __u32 global_intr;
  132.     __u32 platform_intr_src_flags;
  133. } __attribute__ ((packed));
  134.  
  135. extern struct acpi_madt *acpi_madt;
  136. extern struct smp_config_operations madt_config_operations;
  137.  
  138. extern void acpi_madt_parse(void);
  139.  
  140. #endif /* __MADT_H__ */
  141.