diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2008-01-30 07:30:37 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 07:30:37 -0500 |
commit | e1d9197862ff4d950dab45669b7f37b5ec3219d8 (patch) | |
tree | c1cc3021153eef8a9aff8452c047d200aa70cf39 /include/asm-x86/io_apic.h | |
parent | 8a423ff0c4a0472607bbed6790fdaeec54af2ebb (diff) |
x86: merge include/asm-x86/sparsemem.h
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/io_apic.h')
-rw-r--r-- | include/asm-x86/io_apic.h | 158 |
1 files changed, 156 insertions, 2 deletions
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h index 88494966beeb..0f5b3fef0b08 100644 --- a/include/asm-x86/io_apic.h +++ b/include/asm-x86/io_apic.h | |||
@@ -1,5 +1,159 @@ | |||
1 | #ifndef __ASM_IO_APIC_H | ||
2 | #define __ASM_IO_APIC_H | ||
3 | |||
4 | #include <asm/types.h> | ||
5 | #include <asm/mpspec.h> | ||
6 | #include <asm/apicdef.h> | ||
7 | |||
8 | /* | ||
9 | * Intel IO-APIC support for SMP and UP systems. | ||
10 | * | ||
11 | * Copyright (C) 1997, 1998, 1999, 2000 Ingo Molnar | ||
12 | */ | ||
13 | |||
14 | /* | ||
15 | * The structure of the IO-APIC: | ||
16 | */ | ||
17 | union IO_APIC_reg_00 { | ||
18 | u32 raw; | ||
19 | struct { | ||
20 | u32 __reserved_2 : 14, | ||
21 | LTS : 1, | ||
22 | delivery_type : 1, | ||
23 | __reserved_1 : 8, | ||
24 | ID : 8; | ||
25 | } __attribute__ ((packed)) bits; | ||
26 | }; | ||
27 | |||
28 | union IO_APIC_reg_01 { | ||
29 | u32 raw; | ||
30 | struct { | ||
31 | u32 version : 8, | ||
32 | __reserved_2 : 7, | ||
33 | PRQ : 1, | ||
34 | entries : 8, | ||
35 | __reserved_1 : 8; | ||
36 | } __attribute__ ((packed)) bits; | ||
37 | }; | ||
38 | |||
39 | union IO_APIC_reg_02 { | ||
40 | u32 raw; | ||
41 | struct { | ||
42 | u32 __reserved_2 : 24, | ||
43 | arbitration : 4, | ||
44 | __reserved_1 : 4; | ||
45 | } __attribute__ ((packed)) bits; | ||
46 | }; | ||
47 | |||
48 | union IO_APIC_reg_03 { | ||
49 | u32 raw; | ||
50 | struct { | ||
51 | u32 boot_DT : 1, | ||
52 | __reserved_1 : 31; | ||
53 | } __attribute__ ((packed)) bits; | ||
54 | }; | ||
55 | |||
56 | enum ioapic_irq_destination_types { | ||
57 | dest_Fixed = 0, | ||
58 | dest_LowestPrio = 1, | ||
59 | dest_SMI = 2, | ||
60 | dest__reserved_1 = 3, | ||
61 | dest_NMI = 4, | ||
62 | dest_INIT = 5, | ||
63 | dest__reserved_2 = 6, | ||
64 | dest_ExtINT = 7 | ||
65 | }; | ||
66 | |||
67 | struct IO_APIC_route_entry { | ||
68 | __u32 vector : 8, | ||
69 | delivery_mode : 3, /* 000: FIXED | ||
70 | * 001: lowest prio | ||
71 | * 111: ExtINT | ||
72 | */ | ||
73 | dest_mode : 1, /* 0: physical, 1: logical */ | ||
74 | delivery_status : 1, | ||
75 | polarity : 1, | ||
76 | irr : 1, | ||
77 | trigger : 1, /* 0: edge, 1: level */ | ||
78 | mask : 1, /* 0: enabled, 1: disabled */ | ||
79 | __reserved_2 : 15; | ||
80 | |||
1 | #ifdef CONFIG_X86_32 | 81 | #ifdef CONFIG_X86_32 |
2 | # include "io_apic_32.h" | 82 | union { |
83 | struct { | ||
84 | __u32 __reserved_1 : 24, | ||
85 | physical_dest : 4, | ||
86 | __reserved_2 : 4; | ||
87 | } physical; | ||
88 | |||
89 | struct { | ||
90 | __u32 __reserved_1 : 24, | ||
91 | logical_dest : 8; | ||
92 | } logical; | ||
93 | } dest; | ||
3 | #else | 94 | #else |
4 | # include "io_apic_64.h" | 95 | __u32 __reserved_3 : 24, |
96 | dest : 8; | ||
97 | #endif | ||
98 | |||
99 | } __attribute__ ((packed)); | ||
100 | |||
101 | #ifdef CONFIG_X86_IO_APIC | ||
102 | |||
103 | /* | ||
104 | * # of IO-APICs and # of IRQ routing registers | ||
105 | */ | ||
106 | extern int nr_ioapics; | ||
107 | extern int nr_ioapic_registers[MAX_IO_APICS]; | ||
108 | |||
109 | /* | ||
110 | * MP-BIOS irq configuration table structures: | ||
111 | */ | ||
112 | |||
113 | /* I/O APIC entries */ | ||
114 | extern struct mpc_config_ioapic mp_ioapics[MAX_IO_APICS]; | ||
115 | |||
116 | /* # of MP IRQ source entries */ | ||
117 | extern int mp_irq_entries; | ||
118 | |||
119 | /* MP IRQ source entries */ | ||
120 | extern struct mpc_config_intsrc mp_irqs[MAX_IRQ_SOURCES]; | ||
121 | |||
122 | /* non-0 if default (table-less) MP configuration */ | ||
123 | extern int mpc_default_type; | ||
124 | |||
125 | /* Older SiS APIC requires we rewrite the index register */ | ||
126 | extern int sis_apic_bug; | ||
127 | |||
128 | /* 1 if "noapic" boot option passed */ | ||
129 | extern int skip_ioapic_setup; | ||
130 | |||
131 | static inline void disable_ioapic_setup(void) | ||
132 | { | ||
133 | skip_ioapic_setup = 1; | ||
134 | } | ||
135 | |||
136 | /* | ||
137 | * If we use the IO-APIC for IRQ routing, disable automatic | ||
138 | * assignment of PCI IRQ's. | ||
139 | */ | ||
140 | #define io_apic_assign_pci_irqs \ | ||
141 | (mp_irq_entries && !skip_ioapic_setup && io_apic_irqs) | ||
142 | |||
143 | #ifdef CONFIG_ACPI | ||
144 | extern int io_apic_get_unique_id(int ioapic, int apic_id); | ||
145 | extern int io_apic_get_version(int ioapic); | ||
146 | extern int io_apic_get_redir_entries(int ioapic); | ||
147 | extern int io_apic_set_pci_routing(int ioapic, int pin, int irq, | ||
148 | int edge_level, int active_high_low); | ||
149 | extern int timer_uses_ioapic_pin_0; | ||
150 | #endif /* CONFIG_ACPI */ | ||
151 | |||
152 | extern int (*ioapic_renumber_irq)(int ioapic, int irq); | ||
153 | extern void ioapic_init_mappings(void); | ||
154 | |||
155 | #else /* !CONFIG_X86_IO_APIC */ | ||
156 | #define io_apic_assign_pci_irqs 0 | ||
157 | #endif | ||
158 | |||
5 | #endif | 159 | #endif |