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/11.2/sys/x86/include/mptable.h 259228 2013-12-11 21:19:04Z jhb $
26 */
27
28 #ifndef __MACHINE_MPTABLE_H__
29 #define __MACHINE_MPTABLE_H__
30
31 enum busTypes {
32 NOBUS = 0,
33 CBUS = 1,
34 CBUSII = 2,
35 EISA = 3,
36 ISA = 6,
37 MCA = 9,
38 PCI = 13,
39 XPRESS = 18,
40 MAX_BUSTYPE = 18,
41 UNKNOWN_BUSTYPE = 0xff
42 };
43
44 /* MP Floating Pointer Structure */
45 typedef struct MPFPS {
46 uint8_t signature[4];
47 uint32_t pap;
48 uint8_t length;
49 uint8_t spec_rev;
50 uint8_t checksum;
51 uint8_t config_type;
52 uint8_t mpfb2;
53 uint8_t mpfb3;
54 uint8_t mpfb4;
55 uint8_t mpfb5;
56 } __packed *mpfps_t;
57
58 #define MPFB2_IMCR_PRESENT 0x80
59 #define MPFB2_MUL_CLK_SRCS 0x40
60
61 /* MP Configuration Table Header */
62 typedef struct MPCTH {
63 uint8_t signature[4];
64 uint16_t base_table_length;
65 uint8_t spec_rev;
66 uint8_t checksum;
67 uint8_t oem_id[8];
68 uint8_t product_id[12];
69 uint32_t oem_table_pointer;
70 uint16_t oem_table_size;
71 uint16_t entry_count;
72 uint32_t apic_address;
73 uint16_t extended_table_length;
74 uint8_t extended_table_checksum;
75 uint8_t reserved;
76 } __packed *mpcth_t;
77
78 /* Base table entries */
79
80 #define MPCT_ENTRY_PROCESSOR 0
81 #define MPCT_ENTRY_BUS 1
82 #define MPCT_ENTRY_IOAPIC 2
83 #define MPCT_ENTRY_INT 3
84 #define MPCT_ENTRY_LOCAL_INT 4
85
86 typedef struct PROCENTRY {
87 uint8_t type;
88 uint8_t apic_id;
89 uint8_t apic_version;
90 uint8_t cpu_flags;
91 uint32_t cpu_signature;
92 uint32_t feature_flags;
93 uint32_t reserved1;
94 uint32_t reserved2;
95 } __packed *proc_entry_ptr;
96
97 #define PROCENTRY_FLAG_EN 0x01
98 #define PROCENTRY_FLAG_BP 0x02
99
100 typedef struct BUSENTRY {
101 uint8_t type;
102 uint8_t bus_id;
103 uint8_t bus_type[6];
104 } __packed *bus_entry_ptr;
105
106 typedef struct IOAPICENTRY {
107 uint8_t type;
108 uint8_t apic_id;
109 uint8_t apic_version;
110 uint8_t apic_flags;
111 uint32_t apic_address;
112 } __packed *io_apic_entry_ptr;
113
114 #define IOAPICENTRY_FLAG_EN 0x01
115
116 typedef struct INTENTRY {
117 uint8_t type;
118 uint8_t int_type;
119 uint16_t int_flags;
120 uint8_t src_bus_id;
121 uint8_t src_bus_irq;
122 uint8_t dst_apic_id;
123 uint8_t dst_apic_int;
124 } __packed *int_entry_ptr;
125
126 #define INTENTRY_TYPE_INT 0
127 #define INTENTRY_TYPE_NMI 1
128 #define INTENTRY_TYPE_SMI 2
129 #define INTENTRY_TYPE_EXTINT 3
130
131 #define INTENTRY_FLAGS_POLARITY 0x3
132 #define INTENTRY_FLAGS_POLARITY_CONFORM 0x0
133 #define INTENTRY_FLAGS_POLARITY_ACTIVEHI 0x1
134 #define INTENTRY_FLAGS_POLARITY_ACTIVELO 0x3
135 #define INTENTRY_FLAGS_TRIGGER 0xc
136 #define INTENTRY_FLAGS_TRIGGER_CONFORM 0x0
137 #define INTENTRY_FLAGS_TRIGGER_EDGE 0x4
138 #define INTENTRY_FLAGS_TRIGGER_LEVEL 0xc
139
140 /* Extended table entries */
141
142 typedef struct EXTENTRY {
143 uint8_t type;
144 uint8_t length;
145 } __packed *ext_entry_ptr;
146
147 #define MPCT_EXTENTRY_SAS 0x80
148 #define MPCT_EXTENTRY_BHD 0x81
149 #define MPCT_EXTENTRY_CBASM 0x82
150
151 typedef struct SASENTRY {
152 uint8_t type;
153 uint8_t length;
154 uint8_t bus_id;
155 uint8_t address_type;
156 uint64_t address_base;
157 uint64_t address_length;
158 } __packed *sas_entry_ptr;
159
160 #define SASENTRY_TYPE_IO 0
161 #define SASENTRY_TYPE_MEMORY 1
162 #define SASENTRY_TYPE_PREFETCH 2
163
164 typedef struct BHDENTRY {
165 uint8_t type;
166 uint8_t length;
167 uint8_t bus_id;
168 uint8_t bus_info;
169 uint8_t parent_bus;
170 uint8_t reserved[3];
171 } __packed *bhd_entry_ptr;
172
173 #define BHDENTRY_INFO_SUBTRACTIVE_DECODE 0x1
174
175 typedef struct CBASMENTRY {
176 uint8_t type;
177 uint8_t length;
178 uint8_t bus_id;
179 uint8_t address_mod;
180 uint32_t predefined_range;
181 } __packed *cbasm_entry_ptr;
182
183 #define CBASMENTRY_ADDRESS_MOD_ADD 0x0
184 #define CBASMENTRY_ADDRESS_MOD_SUBTRACT 0x1
185
186 #define CBASMENTRY_RANGE_ISA_IO 0
187 #define CBASMENTRY_RANGE_VGA_IO 1
188
189 #ifdef _KERNEL
190 struct mptable_hostb_softc {
191 #ifdef NEW_PCIB
192 struct pcib_host_resources sc_host_res;
193 int sc_decodes_vga_io;
194 int sc_decodes_isa_io;
195 #endif
196 };
197
198 #ifdef NEW_PCIB
199 void mptable_pci_host_res_init(device_t pcib);
200 #endif
201 int mptable_pci_probe_table(int bus);
202 int mptable_pci_route_interrupt(device_t pcib, device_t dev, int pin);
203 #endif
204 #endif /* !__MACHINE_MPTABLE_H__ */
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