1 #ifndef _ASM_X86_GENAPIC_32_H 2 #define _ASM_X86_GENAPIC_32_H 3 4 #include <asm/mpspec.h> 5 #include <asm/atomic.h> 6 7 /* 8 * Generic APIC driver interface. 9 * 10 * An straight forward mapping of the APIC related parts of the 11 * x86 subarchitecture interface to a dynamic object. 12 * 13 * This is used by the "generic" x86 subarchitecture. 14 * 15 * Copyright 2003 Andi Kleen, SuSE Labs. 16 */ 17 18 struct mpc_bus; 19 struct mpc_table; 20 struct mpc_cpu; 21 22 struct genapic { 23 char *name; 24 int (*probe)(void); 25 26 int (*apic_id_registered)(void); 27 const struct cpumask *(*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 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 /* When one of the next two hooks returns 1 the genapic 52 is switched to this. Essentially they are additional probe 53 functions. */ 54 int (*mps_oem_check)(struct mpc_table *mpc, char *oem, 55 char *productid); 56 int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id); 57 58 unsigned (*get_apic_id)(unsigned long x); 59 unsigned long apic_id_mask; 60 unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask); 61 unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask, 62 const struct cpumask *andmask); 63 void (*vector_allocation_domain)(int cpu, struct cpumask *retmask); 64 65 #ifdef CONFIG_SMP 66 /* ipi */ 67 void (*send_IPI_mask)(const struct cpumask *mask, int vector); 68 void (*send_IPI_mask_allbutself)(const struct cpumask *mask, 69 int vector); 70 void (*send_IPI_allbutself)(int vector); 71 void (*send_IPI_all)(int vector); 72 #endif 73 int (*wakeup_cpu)(int apicid, unsigned long start_eip); 74 int trampoline_phys_low; 75 int trampoline_phys_high; 76 void (*wait_for_init_deassert)(atomic_t *deassert); 77 void (*smp_callin_clear_local_apic)(void); 78 void (*store_NMI_vector)(unsigned short *high, unsigned short *low); 79 void (*restore_NMI_vector)(unsigned short *high, unsigned short *low); 80 void (*inquire_remote_apic)(int apicid); 81 }; 82 83 #define APICFUNC(x) .x = x, 84 85 /* More functions could be probably marked IPIFUNC and save some space 86 in UP GENERICARCH kernels, but I don't have the nerve right now 87 to untangle this mess. -AK */ 88 #ifdef CONFIG_SMP 89 #define IPIFUNC(x) APICFUNC(x) 90 #else 91 #define IPIFUNC(x) 92 #endif 93 94 #define APIC_INIT(aname, aprobe) \ 95 { \ 96 .name = aname, \ 97 .probe = aprobe, \ 98 .int_delivery_mode = INT_DELIVERY_MODE, \ 99 .int_dest_mode = INT_DEST_MODE, \ 100 .no_balance_irq = NO_BALANCE_IRQ, \ 101 .ESR_DISABLE = esr_disable, \ 102 .apic_destination_logical = APIC_DEST_LOGICAL, \ 103 APICFUNC(apic_id_registered) \ 104 APICFUNC(target_cpus) \ 105 APICFUNC(check_apicid_used) \ 106 APICFUNC(check_apicid_present) \ 107 APICFUNC(init_apic_ldr) \ 108 APICFUNC(ioapic_phys_id_map) \ 109 APICFUNC(setup_apic_routing) \ 110 APICFUNC(multi_timer_check) \ 111 APICFUNC(apicid_to_node) \ 112 APICFUNC(cpu_to_logical_apicid) \ 113 APICFUNC(cpu_present_to_apicid) \ 114 APICFUNC(apicid_to_cpu_present) \ 115 APICFUNC(setup_portio_remap) \ 116 APICFUNC(check_phys_apicid_present) \ 117 APICFUNC(mps_oem_check) \ 118 APICFUNC(get_apic_id) \ 119 .apic_id_mask = APIC_ID_MASK, \ 120 APICFUNC(cpu_mask_to_apicid) \ 121 APICFUNC(cpu_mask_to_apicid_and) \ 122 APICFUNC(vector_allocation_domain) \ 123 APICFUNC(acpi_madt_oem_check) \ 124 IPIFUNC(send_IPI_mask) \ 125 IPIFUNC(send_IPI_allbutself) \ 126 IPIFUNC(send_IPI_all) \ 127 APICFUNC(enable_apic_mode) \ 128 APICFUNC(phys_pkg_id) \ 129 .trampoline_phys_low = TRAMPOLINE_PHYS_LOW, \ 130 .trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, \ 131 APICFUNC(wait_for_init_deassert) \ 132 APICFUNC(smp_callin_clear_local_apic) \ 133 APICFUNC(store_NMI_vector) \ 134 APICFUNC(restore_NMI_vector) \ 135 APICFUNC(inquire_remote_apic) \ 136 } 137 138 extern struct genapic *genapic; 139 extern void es7000_update_genapic_to_cluster(void); 140 141 enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC}; 142 #define get_uv_system_type() UV_NONE 143 #define is_uv_system() 0 144 #define uv_wakeup_secondary(a, b) 1 145 #define uv_system_init() do {} while (0) 146 147 148 #endif /* _ASM_X86_GENAPIC_32_H */ 149