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1 #ifndef _ASM_GENAPIC_H
2 #define _ASM_GENAPIC_H 1
3
4 /*
5  * Generic APIC driver interface.
6  *
7  * An straight forward mapping of the APIC related parts of the
8  * x86 subarchitecture interface to a dynamic object.
9  *
10  * This is used by the "generic" x86 subarchitecture.
11  *
12  * Copyright 2003 Andi Kleen, SuSE Labs.
13  */
14
15 struct mpc_config_translation;
16 struct mpc_config_bus;
17 struct mp_config_table;
18 struct mpc_config_processor;
19
20 struct genapic { 
21         char *name; 
22         int (*probe)(void); 
23
24         int (*apic_id_registered)(void);
25         cpumask_t (*target_cpus)(void);
26         int int_delivery_mode;
27         int int_dest_mode; 
28         int ESR_DISABLE;
29         int apic_destination_logical;
30         unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
31         unsigned long (*check_apicid_present)(int apicid); 
32         int no_balance_irq;
33         int no_ioapic_check;
34         void (*init_apic_ldr)(void);
35         physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
36
37         void (*clustered_apic_check)(void);
38         int (*multi_timer_check)(int apic, int irq);
39         int (*apicid_to_node)(int logical_apicid); 
40         int (*cpu_to_logical_apicid)(int cpu);
41         int (*cpu_present_to_apicid)(int mps_cpu);
42         physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
43         int (*mpc_apic_id)(struct mpc_config_processor *m, 
44                            struct mpc_config_translation *t); 
45         void (*setup_portio_remap)(void); 
46         int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
47         void (*enable_apic_mode)(void);
48         u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
49
50         /* mpparse */
51         void (*mpc_oem_bus_info)(struct mpc_config_bus *, char *, 
52                                  struct mpc_config_translation *);
53         void (*mpc_oem_pci_bus)(struct mpc_config_bus *, 
54                                 struct mpc_config_translation *); 
55
56         /* When one of the next two hooks returns 1 the genapic
57            is switched to this. Essentially they are additional probe 
58            functions. */
59         int (*mps_oem_check)(struct mp_config_table *mpc, char *oem, 
60                               char *productid);
61         int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
62
63         unsigned (*get_apic_id)(unsigned long x);
64         unsigned long apic_id_mask;
65         unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask);
66         
67         /* ipi */
68         void (*send_IPI_mask)(cpumask_t mask, int vector);
69         void (*send_IPI_allbutself)(int vector);
70         void (*send_IPI_all)(int vector);
71 }; 
72
73 #define APICFUNC(x) .x = x
74
75 #define APIC_INIT(aname, aprobe) { \
76         .name = aname, \
77         .probe = aprobe, \
78         .int_delivery_mode = INT_DELIVERY_MODE, \
79         .int_dest_mode = INT_DEST_MODE, \
80         .no_balance_irq = NO_BALANCE_IRQ, \
81         .ESR_DISABLE = esr_disable, \
82         .apic_destination_logical = APIC_DEST_LOGICAL, \
83         APICFUNC(apic_id_registered), \
84         APICFUNC(target_cpus), \
85         APICFUNC(check_apicid_used), \
86         APICFUNC(check_apicid_present), \
87         APICFUNC(init_apic_ldr), \
88         APICFUNC(ioapic_phys_id_map), \
89         APICFUNC(clustered_apic_check), \
90         APICFUNC(multi_timer_check), \
91         APICFUNC(apicid_to_node), \
92         APICFUNC(cpu_to_logical_apicid), \
93         APICFUNC(cpu_present_to_apicid), \
94         APICFUNC(apicid_to_cpu_present), \
95         APICFUNC(mpc_apic_id), \
96         APICFUNC(setup_portio_remap), \
97         APICFUNC(check_phys_apicid_present), \
98         APICFUNC(mpc_oem_bus_info), \
99         APICFUNC(mpc_oem_pci_bus), \
100         APICFUNC(mps_oem_check), \
101         APICFUNC(get_apic_id), \
102         .apic_id_mask = APIC_ID_MASK, \
103         APICFUNC(cpu_mask_to_apicid), \
104         APICFUNC(acpi_madt_oem_check), \
105         APICFUNC(send_IPI_mask), \
106         APICFUNC(send_IPI_allbutself), \
107         APICFUNC(send_IPI_all), \
108         APICFUNC(enable_apic_mode), \
109         APICFUNC(phys_pkg_id), \
110         }
111
112 extern struct genapic *genapic;
113
114 #endif