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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. /** @addtogroup genarch
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_MADT_H_
  36. #define KERN_MADT_H_
  37.  
  38. #include <genarch/acpi/acpi.h>
  39. #include <arch/smp/apic.h>
  40. #include <arch/smp/smp.h>
  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.  
  55. struct madt_apic_header {
  56.     uint8_t type;
  57.     uint8_t length;
  58. } __attribute__ ((packed));
  59.  
  60.  
  61. /* Multiple APIC Description Table */
  62. struct acpi_madt {
  63.     struct acpi_sdt_header header;
  64.     uint32_t l_apic_address;
  65.     uint32_t flags;
  66.     struct madt_apic_header apic_header[];
  67. } __attribute__ ((packed));
  68.  
  69. struct madt_l_apic {
  70.     struct madt_apic_header header;
  71.     uint8_t acpi_id;
  72.     uint8_t apic_id;
  73.     uint32_t flags;
  74. } __attribute__ ((packed));
  75.  
  76. struct madt_io_apic {
  77.     struct madt_apic_header header;
  78.     uint8_t io_apic_id;
  79.     uint8_t reserved;
  80.     uint32_t io_apic_address;  
  81.     uint32_t global_intr_base;
  82. } __attribute__ ((packed));
  83.  
  84. struct madt_intr_src_ovrd {
  85.     struct madt_apic_header header;
  86.     uint8_t bus;
  87.     uint8_t source;
  88.     uint32_t global_int;
  89.     uint16_t flags;
  90. } __attribute__ ((packed));
  91.  
  92. struct madt_nmi_src {
  93.     struct madt_apic_header header;
  94.     uint16_t flags;
  95.     uint32_t global_intr;
  96. } __attribute__ ((packed));
  97.  
  98. struct madt_l_apic_nmi {
  99.     struct madt_apic_header header;
  100.     uint8_t acpi_id;
  101.     uint16_t flags;
  102.     uint8_t l_apic_lint;
  103. } __attribute__ ((packed));
  104.  
  105. struct madt_l_apic_addr_ovrd {
  106.     struct madt_apic_header header;
  107.     uint16_t reserved;
  108.     uint64_t l_apic_address;
  109. } __attribute__ ((packed));
  110.  
  111. struct madt_io_sapic {
  112.     struct madt_apic_header header;
  113.     uint8_t io_apic_id;
  114.     uint8_t reserved;
  115.     uint32_t global_intr_base;
  116.     uint64_t io_apic_address;      
  117. } __attribute__ ((packed));
  118.  
  119. struct madt_l_sapic {
  120.     struct madt_apic_header header;
  121.     uint8_t acpi_id;
  122.     uint8_t sapic_id;
  123.     uint8_t sapic_eid;
  124.     uint8_t reserved[3];
  125.     uint32_t flags;
  126.     uint32_t acpi_processor_uid_value;
  127.     uint8_t acpi_processor_uid_str[1];
  128. } __attribute__ ((packed));
  129.  
  130. struct madt_platform_intr_src {
  131.     struct madt_apic_header header;
  132.     uint16_t flags;
  133.     uint8_t intr_type;
  134.     uint8_t processor_id;
  135.     uint8_t processor_eid;
  136.     uint8_t io_sapic_vector;
  137.     uint32_t global_intr;
  138.     uint32_t platform_intr_src_flags;
  139. } __attribute__ ((packed));
  140.  
  141. extern struct acpi_madt *acpi_madt;
  142. extern struct smp_config_operations madt_config_operations;
  143.  
  144. extern void acpi_madt_parse(void);
  145.  
  146. #endif /* KERN_MADT_H_ */
  147.  
  148. /** @}
  149.  */
  150.