xref: /illumos-gate/usr/src/contrib/bhyve/x86/mptable.h (revision d0b3c59ba652f183eeec1414dd9fbdc56bf05cc8)
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: head/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__ */
205