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1#ifndef _ASM_GENAPIC_H
2#define _ASM_GENAPIC_H 1
3
4#include <asm/mpspec.h>
5
6/*
7 * Generic APIC driver interface.
8 *
9 * An straight forward mapping of the APIC related parts of the
10 * x86 subarchitecture interface to a dynamic object.
11 *
12 * This is used by the "generic" x86 subarchitecture.
13 *
14 * Copyright 2003 Andi Kleen, SuSE Labs.
15 */
16
17struct mpc_config_bus;
18struct mp_config_table;
19struct mpc_config_processor;
20
21struct genapic {
22 char *name;
23 int (*probe)(void);
24
25 int (*apic_id_registered)(void);
26 cpumask_t (*target_cpus)(void);
27 int int_delivery_mode;
28 int int_dest_mode;
29 int ESR_DISABLE;
30 int apic_destination_logical;
31 unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
32 unsigned long (*check_apicid_present)(int apicid);
33 int no_balance_irq;
34 int no_ioapic_check;
35 void (*init_apic_ldr)(void);
36 physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
37
38 void (*setup_apic_routing)(void);
39 int (*multi_timer_check)(int apic, int irq);
40 int (*apicid_to_node)(int logical_apicid);
41 int (*cpu_to_logical_apicid)(int cpu);
42 int (*cpu_present_to_apicid)(int mps_cpu);
43 physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
44 void (*setup_portio_remap)(void);
45 int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
46 void (*enable_apic_mode)(void);
47 u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
48
49 /* mpparse */
50 /* When one of the next two hooks returns 1 the genapic
51 is switched to this. Essentially they are additional probe
52 functions. */
53 int (*mps_oem_check)(struct mp_config_table *mpc, char *oem,
54 char *productid);
55 int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
56
57 unsigned (*get_apic_id)(unsigned long x);
58 unsigned long apic_id_mask;
59 unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
60
61#ifdef CONFIG_SMP
62 /* ipi */
63 void (*send_IPI_mask)(cpumask_t mask, int vector);
64 void (*send_IPI_allbutself)(int vector);
65 void (*send_IPI_all)(int vector);
66#endif
67};
68
69#define APICFUNC(x) .x = x,
70
71/* More functions could be probably marked IPIFUNC and save some space
72 in UP GENERICARCH kernels, but I don't have the nerve right now
73 to untangle this mess. -AK */
74#ifdef CONFIG_SMP
75#define IPIFUNC(x) APICFUNC(x)
76#else
77#define IPIFUNC(x)
78#endif
79
80#define APIC_INIT(aname, aprobe) \
81{ \
82 .name = aname, \
83 .probe = aprobe, \
84 .int_delivery_mode = INT_DELIVERY_MODE, \
85 .int_dest_mode = INT_DEST_MODE, \
86 .no_balance_irq = NO_BALANCE_IRQ, \
87 .ESR_DISABLE = esr_disable, \
88 .apic_destination_logical = APIC_DEST_LOGICAL, \
89 APICFUNC(apic_id_registered) \
90 APICFUNC(target_cpus) \
91 APICFUNC(check_apicid_used) \
92 APICFUNC(check_apicid_present) \
93 APICFUNC(init_apic_ldr) \
94 APICFUNC(ioapic_phys_id_map) \
95 APICFUNC(setup_apic_routing) \
96 APICFUNC(multi_timer_check) \
97 APICFUNC(apicid_to_node) \
98 APICFUNC(cpu_to_logical_apicid) \
99 APICFUNC(cpu_present_to_apicid) \
100 APICFUNC(apicid_to_cpu_present) \
101 APICFUNC(setup_portio_remap) \
102 APICFUNC(check_phys_apicid_present) \
103 APICFUNC(mps_oem_check) \
104 APICFUNC(get_apic_id) \
105 .apic_id_mask = APIC_ID_MASK, \
106 APICFUNC(cpu_mask_to_apicid) \
107 APICFUNC(acpi_madt_oem_check) \
108 IPIFUNC(send_IPI_mask) \
109 IPIFUNC(send_IPI_allbutself) \
110 IPIFUNC(send_IPI_all) \
111 APICFUNC(enable_apic_mode) \
112 APICFUNC(phys_pkg_id) \
113}
114
115extern struct genapic *genapic;
116
117enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
118#define get_uv_system_type() UV_NONE
119#define is_uv_system() 0
120#define uv_wakeup_secondary(a, b) 1
121
122
123#endif