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 17 struct mpc_config_translation; 18 struct mpc_config_bus; 19 struct mp_config_table; 20 struct mpc_config_processor; 21 22 struct genapic { 23 char *name; 24 int (*probe)(void); 25 26 int (*apic_id_registered)(void); 27 cpumask_t (*target_cpus)(void); 28 int int_delivery_mode; 29 int int_dest_mode; 30 int ESR_DISABLE; 31 int apic_destination_logical; 32 unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid); 33 unsigned long (*check_apicid_present)(int apicid); 34 int no_balance_irq; 35 int no_ioapic_check; 36 void (*init_apic_ldr)(void); 37 physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map); 38 39 void (*setup_apic_routing)(void); 40 int (*multi_timer_check)(int apic, int irq); 41 int (*apicid_to_node)(int logical_apicid); 42 int (*cpu_to_logical_apicid)(int cpu); 43 int (*cpu_present_to_apicid)(int mps_cpu); 44 physid_mask_t (*apicid_to_cpu_present)(int phys_apicid); 45 int (*mpc_apic_id)(struct mpc_config_processor *m, 46 struct mpc_config_translation *t); 47 void (*setup_portio_remap)(void); 48 int (*check_phys_apicid_present)(int boot_cpu_physical_apicid); 49 void (*enable_apic_mode)(void); 50 u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb); 51 52 /* mpparse */ 53 void (*mpc_oem_bus_info)(struct mpc_config_bus *, char *, 54 struct mpc_config_translation *); 55 void (*mpc_oem_pci_bus)(struct mpc_config_bus *, 56 struct mpc_config_translation *); 57 58 /* When one of the next two hooks returns 1 the genapic 59 is switched to this. Essentially they are additional probe 60 functions. */ 61 int (*mps_oem_check)(struct mp_config_table *mpc, char *oem, 62 char *productid); 63 int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); 64 65 unsigned (*get_apic_id)(unsigned long x); 66 unsigned long apic_id_mask; 67 unsigned int (*cpu_mask_to_apicid)(cpumask_t cpumask); 68 69 #ifdef CONFIG_SMP 70 /* ipi */ 71 void (*send_IPI_mask)(cpumask_t mask, int vector); 72 void (*send_IPI_allbutself)(int vector); 73 void (*send_IPI_all)(int vector); 74 #endif 75 }; 76 77 #define APICFUNC(x) .x = x, 78 79 /* More functions could be probably marked IPIFUNC and save some space 80 in UP GENERICARCH kernels, but I don't have the nerve right now 81 to untangle this mess. -AK */ 82 #ifdef CONFIG_SMP 83 #define IPIFUNC(x) APICFUNC(x) 84 #else 85 #define IPIFUNC(x) 86 #endif 87 88 #define APIC_INIT(aname, aprobe) { \ 89 .name = aname, \ 90 .probe = aprobe, \ 91 .int_delivery_mode = INT_DELIVERY_MODE, \ 92 .int_dest_mode = INT_DEST_MODE, \ 93 .no_balance_irq = NO_BALANCE_IRQ, \ 94 .ESR_DISABLE = esr_disable, \ 95 .apic_destination_logical = APIC_DEST_LOGICAL, \ 96 APICFUNC(apic_id_registered) \ 97 APICFUNC(target_cpus) \ 98 APICFUNC(check_apicid_used) \ 99 APICFUNC(check_apicid_present) \ 100 APICFUNC(init_apic_ldr) \ 101 APICFUNC(ioapic_phys_id_map) \ 102 APICFUNC(setup_apic_routing) \ 103 APICFUNC(multi_timer_check) \ 104 APICFUNC(apicid_to_node) \ 105 APICFUNC(cpu_to_logical_apicid) \ 106 APICFUNC(cpu_present_to_apicid) \ 107 APICFUNC(apicid_to_cpu_present) \ 108 APICFUNC(mpc_apic_id) \ 109 APICFUNC(setup_portio_remap) \ 110 APICFUNC(check_phys_apicid_present) \ 111 APICFUNC(mpc_oem_bus_info) \ 112 APICFUNC(mpc_oem_pci_bus) \ 113 APICFUNC(mps_oem_check) \ 114 APICFUNC(get_apic_id) \ 115 .apic_id_mask = APIC_ID_MASK, \ 116 APICFUNC(cpu_mask_to_apicid) \ 117 APICFUNC(acpi_madt_oem_check) \ 118 IPIFUNC(send_IPI_mask) \ 119 IPIFUNC(send_IPI_allbutself) \ 120 IPIFUNC(send_IPI_all) \ 121 APICFUNC(enable_apic_mode) \ 122 APICFUNC(phys_pkg_id) \ 123 } 124 125 extern struct genapic *genapic; 126 127 #endif 128