source: mainline/arch/ia32/include/smp/mp.h@ 85bfdcc8

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 85bfdcc8 was 8a78e68, checked in by Jakub Jermar <jakub@…>, 21 years ago

MP Specification says that MP Configuration Table extended entries with unrecongised types should be skipped rather than paniced on.
  • Property mode set to 100644
File size: 3.1 KB
Line 
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 __MP_H__
30#define __MP_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
40struct __mpfs {
41 __u32 signature;
42 struct __mpct *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
53struct __mpct {
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
70struct __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
80struct __bus_entry {
81 __u8 type;
82 __u8 bus_id;
83 __u8 bus_type[6];
84} __attribute__ ((packed));
85
86struct __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
94struct __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
105struct __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
117extern waitq_t ap_completion_wq;
118extern waitq_t kmp_completion_wq;
119
120extern int mp_irq_to_pin(int irq);
121
122extern void mp_init(void);
123extern void kmp(void *arg);
124
125#endif
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