Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_oneplus_msm8996 / e2fd58d06f79b10cad22240a6e6fb1c1108aa0ee / . / include / asm-i386 / mpspec_def.h
blob: 13bafb16e7afd516d7efc47cd164b5461ecc2eaa [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1#ifndef __ASM_MPSPEC_DEF_H
2#define __ASM_MPSPEC_DEF_H
3
4/*
5 * Structure definitions for SMP machines following the
6 * Intel Multiprocessing Specification 1.1 and 1.4.
7 */
8
9/*
10 * This tag identifies where the SMP configuration
11 * information is.
12 */
13
14#define SMP_MAGIC_IDENT (('_'<<24)|('P'<<16)|('M'<<8)|'_')
15
16#define MAX_MPC_ENTRY 1024
17#define MAX_APICS 256
18
19struct intel_mp_floating
20{
21 char mpf_signature[4]; /* "_MP_" */
22 unsigned long mpf_physptr; /* Configuration table address */
23 unsigned char mpf_length; /* Our length (paragraphs) */
24 unsigned char mpf_specification;/* Specification version */
25 unsigned char mpf_checksum; /* Checksum (makes sum 0) */
26 unsigned char mpf_feature1; /* Standard or configuration ? */
27 unsigned char mpf_feature2; /* Bit7 set for IMCR|PIC */
28 unsigned char mpf_feature3; /* Unused (0) */
29 unsigned char mpf_feature4; /* Unused (0) */
30 unsigned char mpf_feature5; /* Unused (0) */
31};
32
33struct mp_config_table
34{
35 char mpc_signature[4];
36#define MPC_SIGNATURE "PCMP"
37 unsigned short mpc_length; /* Size of table */
38 char mpc_spec; /* 0x01 */
39 char mpc_checksum;
40 char mpc_oem[8];
41 char mpc_productid[12];
42 unsigned long mpc_oemptr; /* 0 if not present */
43 unsigned short mpc_oemsize; /* 0 if not present */
44 unsigned short mpc_oemcount;
45 unsigned long mpc_lapic; /* APIC address */
46 unsigned long reserved;
47};
48
49/* Followed by entries */
50
51#define MP_PROCESSOR 0
52#define MP_BUS 1
53#define MP_IOAPIC 2
54#define MP_INTSRC 3
55#define MP_LINTSRC 4
56#define MP_TRANSLATION 192 /* Used by IBM NUMA-Q to describe node locality */
57
58struct mpc_config_processor
59{
60 unsigned char mpc_type;
61 unsigned char mpc_apicid; /* Local APIC number */
62 unsigned char mpc_apicver; /* Its versions */
63 unsigned char mpc_cpuflag;
64#define CPU_ENABLED 1 /* Processor is available */
65#define CPU_BOOTPROCESSOR 2 /* Processor is the BP */
66 unsigned long mpc_cpufeature;
67#define CPU_STEPPING_MASK 0x0F
68#define CPU_MODEL_MASK 0xF0
69#define CPU_FAMILY_MASK 0xF00
70 unsigned long mpc_featureflag; /* CPUID feature value */
71 unsigned long mpc_reserved[2];
72};
73
74struct mpc_config_bus
75{
76 unsigned char mpc_type;
77 unsigned char mpc_busid;
Brian Gerst19d53482006-01-06 00:12:18 -0800[diff] [blame]78 unsigned char mpc_bustype[6];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]79};
80
81/* List of Bus Type string values, Intel MP Spec. */
82#define BUSTYPE_EISA "EISA"
83#define BUSTYPE_ISA "ISA"
84#define BUSTYPE_INTERN "INTERN" /* Internal BUS */
85#define BUSTYPE_MCA "MCA"
86#define BUSTYPE_VL "VL" /* Local bus */
87#define BUSTYPE_PCI "PCI"
88#define BUSTYPE_PCMCIA "PCMCIA"
89#define BUSTYPE_CBUS "CBUS"
90#define BUSTYPE_CBUSII "CBUSII"
91#define BUSTYPE_FUTURE "FUTURE"
92#define BUSTYPE_MBI "MBI"
93#define BUSTYPE_MBII "MBII"
94#define BUSTYPE_MPI "MPI"
95#define BUSTYPE_MPSA "MPSA"
96#define BUSTYPE_NUBUS "NUBUS"
97#define BUSTYPE_TC "TC"
98#define BUSTYPE_VME "VME"
99#define BUSTYPE_XPRESS "XPRESS"
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]100
101struct mpc_config_ioapic
102{
103 unsigned char mpc_type;
104 unsigned char mpc_apicid;
105 unsigned char mpc_apicver;
106 unsigned char mpc_flags;
107#define MPC_APIC_USABLE 0x01
108 unsigned long mpc_apicaddr;
109};
110
111struct mpc_config_intsrc
112{
113 unsigned char mpc_type;
114 unsigned char mpc_irqtype;
115 unsigned short mpc_irqflag;
116 unsigned char mpc_srcbus;
117 unsigned char mpc_srcbusirq;
118 unsigned char mpc_dstapic;
119 unsigned char mpc_dstirq;
120};
121
122enum mp_irq_source_types {
123 mp_INT = 0,
124 mp_NMI = 1,
125 mp_SMI = 2,
126 mp_ExtINT = 3
127};
128
129#define MP_IRQDIR_DEFAULT 0
130#define MP_IRQDIR_HIGH 1
131#define MP_IRQDIR_LOW 3
132
133
134struct mpc_config_lintsrc
135{
136 unsigned char mpc_type;
137 unsigned char mpc_irqtype;
138 unsigned short mpc_irqflag;
139 unsigned char mpc_srcbusid;
140 unsigned char mpc_srcbusirq;
141 unsigned char mpc_destapic;
142#define MP_APIC_ALL 0xFF
143 unsigned char mpc_destapiclint;
144};
145
146struct mp_config_oemtable
147{
148 char oem_signature[4];
149#define MPC_OEM_SIGNATURE "_OEM"
150 unsigned short oem_length; /* Size of table */
151 char oem_rev; /* 0x01 */
152 char oem_checksum;
153 char mpc_oem[8];
154};
155
156struct mpc_config_translation
157{
158 unsigned char mpc_type;
159 unsigned char trans_len;
160 unsigned char trans_type;
161 unsigned char trans_quad;
162 unsigned char trans_global;
163 unsigned char trans_local;
164 unsigned short trans_reserved;
165};
166
167/*
168 * Default configurations
169 *
170 * 1 2 CPU ISA 82489DX
171 * 2 2 CPU EISA 82489DX neither IRQ 0 timer nor IRQ 13 DMA chaining
172 * 3 2 CPU EISA 82489DX
173 * 4 2 CPU MCA 82489DX
174 * 5 2 CPU ISA+PCI
175 * 6 2 CPU EISA+PCI
176 * 7 2 CPU MCA+PCI
177 */
178
179enum mp_bustype {
180 MP_BUS_ISA = 1,
181 MP_BUS_EISA,
182 MP_BUS_PCI,
183 MP_BUS_MCA,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]184};
185#endif
186