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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. #include <arch/smp/apic.h>
  34.  
  35. #define MADT_L_APIC         0
  36. #define MADT_IO_APIC            1
  37. #define MADT_INTR_SRC_OVRD      2
  38. #define MADT_NMI_SRC            3
  39. #define MADT_L_APIC_NMI         4
  40. #define MADT_L_APIC_ADDR_OVRD       5
  41. #define MADT_IO_SAPIC           6
  42. #define MADT_L_SAPIC            7
  43. #define MADT_PLATFORM_INTR_SRC      8
  44. #define MADT_RESERVED_SKIP_BEGIN    9
  45. #define MADT_RESERVED_SKIP_END      127
  46. #define MADT_RESERVED_OEM_BEGIN     128
  47.  
  48. struct madt_apic_header {
  49.     __u8 type;
  50.     __u8 length;
  51. } __attribute__ ((packed));
  52.  
  53.  
  54. /* Multiple APIC Description Table */
  55. struct acpi_madt {
  56.     struct acpi_sdt_header header;
  57.     __u32 l_apic_address;
  58.     __u32 flags;
  59.     struct madt_apic_header apic_header[];
  60. } __attribute__ ((packed));
  61.  
  62. struct madt_l_apic {
  63.     struct madt_apic_header header;
  64.     __u8 acpi_id;
  65.     __u8 apic_id;
  66.     __u32 flags;   
  67. } __attribute__ ((packed));
  68.  
  69. struct madt_io_apic {
  70.     struct madt_apic_header header;
  71.     __u8 io_apic_id;
  72.     __u8 reserved;
  73.     __u32 io_apic_address; 
  74.     __u32 global_intr_base;
  75. } __attribute__ ((packed));
  76.  
  77. struct madt_intr_src_ovrd {
  78.     struct madt_apic_header header;
  79.     __u8 bus;
  80.     __u8 source;
  81.     __u32 global_intr;
  82.     __u16 flags;
  83. } __attribute__ ((packed));
  84.  
  85. struct madt_nmi_src {
  86.     struct madt_apic_header header;
  87.     __u16 flags;
  88.     __u32 global_intr;
  89. } __attribute__ ((packed));
  90.  
  91. struct madt_l_apic_nmi {
  92.     struct madt_apic_header header;
  93.     __u8 acpi_id;
  94.     __u16 flags;
  95.     __u8 l_apic_lint;
  96. } __attribute__ ((packed));
  97.  
  98. struct madt_l_apic_addr_ovrd {
  99.     struct madt_apic_header header;
  100.     __u16 reserved;
  101.     __u64 l_apic_address;
  102. } __attribute__ ((packed));
  103.  
  104. struct madt_io_sapic {
  105.     struct madt_apic_header header;
  106.     __u8 io_apic_id;
  107.     __u8 reserved;
  108.     __u32 global_intr_base;
  109.     __u64 io_apic_address;     
  110. } __attribute__ ((packed));
  111.  
  112. struct madt_l_sapic {
  113.     struct madt_apic_header header;
  114.     __u8 acpi_id;
  115.     __u8 sapic_id;
  116.     __u8 sapic_eid;
  117.     __u8 reserved[3];
  118.     __u32 flags;
  119.     __u32 acpi_processor_uid_value;
  120.     __u8 acpi_processor_uid_str[1];
  121. } __attribute__ ((packed));
  122.  
  123. struct madt_platform_intr_src {
  124.     struct madt_apic_header header;
  125.     __u16 flags;
  126.     __u8 intr_type;
  127.     __u8 processor_id;
  128.     __u8 processor_eid;
  129.     __u8 io_sapic_vector;
  130.     __u32 global_intr;
  131.     __u32 platform_intr_src_flags;
  132. } __attribute__ ((packed));
  133.  
  134. extern struct acpi_madt *acpi_madt;
  135.  
  136. extern void acpi_madt_parse(void);
  137.  
  138. #endif /* __MADT_H__ */
  139.