arch/x86/include/asm/genapic_32.h

   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 */