1 /*-
2 * Copyright (c) 1996, by Steve Passe
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 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the developer may NOT be used to endorse or promote products
11 * derived from this software without specific prior written permission.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 * $FreeBSD: releng/10.2/sys/x86/include/mptable.h 259837 2013-12-24 19:10:56Z jhb $
26 */
27
28 #ifndef __MACHINE_MPTABLE_H__
29 #define __MACHINE_MPTABLE_H__
30
31 enum busTypes {
32 NOBUS = 0,
33 EISA = 3,
34 ISA = 6,
35 MCA = 9,
36 PCI = 13,
37 MAX_BUSTYPE = 18,
38 UNKNOWN_BUSTYPE = 0xff
39 };
40
41 /* MP Floating Pointer Structure */
42 typedef struct MPFPS {
43 char signature[4];
44 u_int32_t pap;
45 u_char length;
46 u_char spec_rev;
47 u_char checksum;
48 u_char config_type;
49 u_char mpfb2;
50 u_char mpfb3;
51 u_char mpfb4;
52 u_char mpfb5;
53 } *mpfps_t;
54
55 #define MPFB2_IMCR_PRESENT 0x80
56 #define MPFB2_MUL_CLK_SRCS 0x40
57
58 /* MP Configuration Table Header */
59 typedef struct MPCTH {
60 char signature[4];
61 u_short base_table_length;
62 u_char spec_rev;
63 u_char checksum;
64 u_char oem_id[8];
65 u_char product_id[12];
66 u_int32_t oem_table_pointer;
67 u_short oem_table_size;
68 u_short entry_count;
69 u_int32_t apic_address;
70 u_short extended_table_length;
71 u_char extended_table_checksum;
72 u_char reserved;
73 } *mpcth_t;
74
75 /* Base table entries */
76
77 #define MPCT_ENTRY_PROCESSOR 0
78 #define MPCT_ENTRY_BUS 1
79 #define MPCT_ENTRY_IOAPIC 2
80 #define MPCT_ENTRY_INT 3
81 #define MPCT_ENTRY_LOCAL_INT 4
82
83 typedef struct PROCENTRY {
84 u_char type;
85 u_char apic_id;
86 u_char apic_version;
87 u_char cpu_flags;
88 u_int32_t cpu_signature;
89 u_int32_t feature_flags;
90 u_int32_t reserved1;
91 u_int32_t reserved2;
92 } *proc_entry_ptr;
93
94 #define PROCENTRY_FLAG_EN 0x01
95 #define PROCENTRY_FLAG_BP 0x02
96
97 typedef struct BUSENTRY {
98 u_char type;
99 u_char bus_id;
100 char bus_type[6];
101 } *bus_entry_ptr;
102
103 typedef struct IOAPICENTRY {
104 u_char type;
105 u_char apic_id;
106 u_char apic_version;
107 u_char apic_flags;
108 u_int32_t apic_address;
109 } *io_apic_entry_ptr;
110
111 #define IOAPICENTRY_FLAG_EN 0x01
112
113 typedef struct INTENTRY {
114 u_char type;
115 u_char int_type;
116 u_short int_flags;
117 u_char src_bus_id;
118 u_char src_bus_irq;
119 u_char dst_apic_id;
120 u_char dst_apic_int;
121 } *int_entry_ptr;
122
123 #define INTENTRY_TYPE_INT 0
124 #define INTENTRY_TYPE_NMI 1
125 #define INTENTRY_TYPE_SMI 2
126 #define INTENTRY_TYPE_EXTINT 3
127
128 #define INTENTRY_FLAGS_POLARITY 0x3
129 #define INTENTRY_FLAGS_POLARITY_CONFORM 0x0
130 #define INTENTRY_FLAGS_POLARITY_ACTIVEHI 0x1
131 #define INTENTRY_FLAGS_POLARITY_ACTIVELO 0x3
132 #define INTENTRY_FLAGS_TRIGGER 0xc
133 #define INTENTRY_FLAGS_TRIGGER_CONFORM 0x0
134 #define INTENTRY_FLAGS_TRIGGER_EDGE 0x4
135 #define INTENTRY_FLAGS_TRIGGER_LEVEL 0xc
136
137 /* Extended table entries */
138
139 typedef struct EXTENTRY {
140 u_char type;
141 u_char length;
142 } *ext_entry_ptr;
143
144 #define MPCT_EXTENTRY_SAS 0x80
145 #define MPCT_EXTENTRY_BHD 0x81
146 #define MPCT_EXTENTRY_CBASM 0x82
147
148 typedef struct SASENTRY {
149 u_char type;
150 u_char length;
151 u_char bus_id;
152 u_char address_type;
153 uint64_t address_base;
154 uint64_t address_length;
155 } __attribute__((__packed__)) *sas_entry_ptr;
156
157 #define SASENTRY_TYPE_IO 0
158 #define SASENTRY_TYPE_MEMORY 1
159 #define SASENTRY_TYPE_PREFETCH 2
160
161 typedef struct BHDENTRY {
162 u_char type;
163 u_char length;
164 u_char bus_id;
165 u_char bus_info;
166 u_char parent_bus;
167 u_char reserved[3];
168 } *bhd_entry_ptr;
169
170 #define BHDENTRY_INFO_SUBTRACTIVE_DECODE 0x1
171
172 typedef struct CBASMENTRY {
173 u_char type;
174 u_char length;
175 u_char bus_id;
176 u_char address_mod;
177 u_int predefined_range;
178 } *cbasm_entry_ptr;
179
180 #define CBASMENTRY_ADDRESS_MOD_ADD 0x0
181 #define CBASMENTRY_ADDRESS_MOD_SUBTRACT 0x1
182
183 #define CBASMENTRY_RANGE_ISA_IO 0
184 #define CBASMENTRY_RANGE_VGA_IO 1
185
186 /* descriptions of MP table entries */
187 typedef struct BASETABLE_ENTRY {
188 u_char type;
189 u_char length;
190 char name[16];
191 } basetable_entry;
192
193 #ifdef _KERNEL
194 struct mptable_hostb_softc {
195 #ifdef NEW_PCIB
196 struct pcib_host_resources sc_host_res;
197 int sc_decodes_vga_io;
198 int sc_decodes_isa_io;
199 #endif
200 };
201
202 #ifdef NEW_PCIB
203 void mptable_pci_host_res_init(device_t pcib);
204 #endif
205 int mptable_pci_probe_table(int bus);
206 int mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin);
207 #endif
208 #endif /* !__MACHINE_MPTABLE_H__ */
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