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  1. /*
  2.  * Copyright (C) 2001-2004 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 __MPS_H__
  30. #define __MPS_H__
  31.  
  32. #include <arch/types.h>
  33. #include <typedefs.h>
  34. #include <synch/waitq.h>
  35. #include <config.h>
  36.  
  37. #define CT_EXT_ENTRY_TYPE       0
  38. #define CT_EXT_ENTRY_LEN        1
  39.  
  40. struct mps_fs {
  41.     __u32 signature;
  42.     struct mps_ct *configuration_table;
  43.     __u8 length;
  44.     __u8 revision;
  45.     __u8 checksum;
  46.     __u8 config_type;
  47.     __u8 mpfib2;
  48.     __u8 mpfib3;
  49.     __u8 mpfib4;
  50.     __u8 mpfib5;
  51. } __attribute__ ((packed));
  52.  
  53. struct mps_ct {
  54.     __u32 signature;
  55.     __u16 base_table_length;
  56.     __u8 revision;
  57.     __u8 checksum;
  58.     __u8 oem_id[8];
  59.     __u8 product_id[12];
  60.     __u8 *oem_table;
  61.     __u16 oem_table_size;
  62.     __u16 entry_count;
  63.     __u32 *l_apic;
  64.     __u16 ext_table_length;
  65.     __u8 ext_table_checksum;
  66.     __u8 xxx;
  67.     __u8 base_table[0];
  68. } __attribute__ ((packed));
  69.  
  70. struct __processor_entry {
  71.     __u8 type;
  72.     __u8 l_apic_id;
  73.     __u8 l_apic_version;
  74.     __u8 cpu_flags;
  75.     __u8 cpu_signature[4];
  76.     __u32 feature_flags;
  77.     __u32 xxx[2];
  78. } __attribute__ ((packed));
  79.  
  80. struct __bus_entry {
  81.     __u8 type;
  82.     __u8 bus_id;
  83.     __u8 bus_type[6];
  84. } __attribute__ ((packed));
  85.  
  86. struct __io_apic_entry {
  87.     __u8 type;
  88.     __u8 io_apic_id;
  89.     __u8 io_apic_version;
  90.     __u8 io_apic_flags;
  91.     __u32 *io_apic;
  92. } __attribute__ ((packed));
  93.  
  94. struct __io_intr_entry {
  95.     __u8 type;
  96.     __u8 intr_type;
  97.     __u8 poel;
  98.     __u8 xxx;
  99.     __u8 src_bus_id;
  100.     __u8 src_bus_irq;
  101.     __u8 dst_io_apic_id;
  102.     __u8 dst_io_apic_pin;
  103. } __attribute__ ((packed));
  104.  
  105. struct __l_intr_entry {
  106.     __u8 type;
  107.     __u8 intr_type;
  108.     __u8 poel;
  109.     __u8 xxx;
  110.     __u8 src_bus_id;
  111.     __u8 src_bus_irq;
  112.     __u8 dst_l_apic_id;
  113.     __u8 dst_l_apic_pin;
  114. } __attribute__ ((packed));
  115.  
  116.  
  117. extern waitq_t ap_completion_wq;
  118. extern waitq_t kmp_completion_wq;
  119.  
  120. extern int mps_irq_to_pin(int irq);
  121.  
  122. extern void mps_init(void);
  123. extern void kmp(void *arg);
  124.  
  125. #endif
  126.