6781d948cc
64-bit x86 uses the IPI callbacks even on UP - so provide them generally. Signed-off-by: Ingo Molnar <mingo@elte.hu>
175 lines
5 KiB
C
175 lines
5 KiB
C
#ifndef _ASM_X86_GENAPIC_H
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#define _ASM_X86_GENAPIC_H
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#include <linux/cpumask.h>
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#include <asm/mpspec.h>
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#include <asm/atomic.h>
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/*
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* Copyright 2004 James Cleverdon, IBM.
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* Subject to the GNU Public License, v.2
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*
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* Generic APIC sub-arch data struct.
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*
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* Hacked for x86-64 by James Cleverdon from i386 architecture code by
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* Martin Bligh, Andi Kleen, James Bottomley, John Stultz, and
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* James Cleverdon.
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*/
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struct genapic {
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char *name;
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int (*probe)(void);
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int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
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int (*apic_id_registered)(void);
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u32 int_delivery_mode;
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u32 int_dest_mode;
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const struct cpumask *(*target_cpus)(void);
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int ESR_DISABLE;
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int apic_destination_logical;
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unsigned long (*check_apicid_used)(physid_mask_t bitmap, int apicid);
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unsigned long (*check_apicid_present)(int apicid);
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int no_balance_irq;
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int no_ioapic_check;
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void (*vector_allocation_domain)(int cpu, struct cpumask *retmask);
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void (*init_apic_ldr)(void);
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physid_mask_t (*ioapic_phys_id_map)(physid_mask_t map);
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void (*setup_apic_routing)(void);
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int (*multi_timer_check)(int apic, int irq);
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int (*apicid_to_node)(int logical_apicid);
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int (*cpu_to_logical_apicid)(int cpu);
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int (*cpu_present_to_apicid)(int mps_cpu);
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physid_mask_t (*apicid_to_cpu_present)(int phys_apicid);
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void (*setup_portio_remap)(void);
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int (*check_phys_apicid_present)(int boot_cpu_physical_apicid);
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void (*enable_apic_mode)(void);
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#ifdef CONFIG_X86_32
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u32 (*phys_pkg_id)(u32 cpuid_apic, int index_msb);
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#else
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unsigned int (*phys_pkg_id)(int index_msb);
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#endif
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/*
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* When one of the next two hooks returns 1 the genapic
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* is switched to this. Essentially they are additional
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* probe functions:
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*/
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int (*mps_oem_check)(struct mpc_table *mpc, char *oem,
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char *productid);
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unsigned int (*get_apic_id)(unsigned long x);
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unsigned long (*set_apic_id)(unsigned int id);
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unsigned long apic_id_mask;
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unsigned int (*cpu_mask_to_apicid)(const struct cpumask *cpumask);
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unsigned int (*cpu_mask_to_apicid_and)(const struct cpumask *cpumask,
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const struct cpumask *andmask);
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/* ipi */
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void (*send_IPI_mask)(const struct cpumask *mask, int vector);
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void (*send_IPI_mask_allbutself)(const struct cpumask *mask,
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int vector);
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void (*send_IPI_allbutself)(int vector);
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void (*send_IPI_all)(int vector);
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void (*send_IPI_self)(int vector);
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/* wakeup_secondary_cpu */
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int (*wakeup_cpu)(int apicid, unsigned long start_eip);
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int trampoline_phys_low;
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int trampoline_phys_high;
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void (*wait_for_init_deassert)(atomic_t *deassert);
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void (*smp_callin_clear_local_apic)(void);
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void (*store_NMI_vector)(unsigned short *high, unsigned short *low);
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void (*restore_NMI_vector)(unsigned short *high, unsigned short *low);
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void (*inquire_remote_apic)(int apicid);
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};
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extern struct genapic *genapic;
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#ifdef CONFIG_X86_32
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#define APICFUNC(x) .x = x,
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/* More functions could be probably marked IPIFUNC and save some space
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in UP GENERICARCH kernels, but I don't have the nerve right now
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to untangle this mess. -AK */
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#ifdef CONFIG_SMP
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#define IPIFUNC(x) APICFUNC(x)
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#else
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#define IPIFUNC(x)
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#endif
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#define APIC_INIT(aname, aprobe) \
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{ \
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.name = aname, \
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.probe = aprobe, \
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.int_delivery_mode = INT_DELIVERY_MODE, \
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.int_dest_mode = INT_DEST_MODE, \
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.no_balance_irq = NO_BALANCE_IRQ, \
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.ESR_DISABLE = esr_disable, \
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.apic_destination_logical = APIC_DEST_LOGICAL, \
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APICFUNC(apic_id_registered) \
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APICFUNC(target_cpus) \
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APICFUNC(check_apicid_used) \
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APICFUNC(check_apicid_present) \
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APICFUNC(init_apic_ldr) \
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APICFUNC(ioapic_phys_id_map) \
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APICFUNC(setup_apic_routing) \
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APICFUNC(multi_timer_check) \
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APICFUNC(apicid_to_node) \
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APICFUNC(cpu_to_logical_apicid) \
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APICFUNC(cpu_present_to_apicid) \
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APICFUNC(apicid_to_cpu_present) \
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APICFUNC(setup_portio_remap) \
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APICFUNC(check_phys_apicid_present) \
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APICFUNC(mps_oem_check) \
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APICFUNC(get_apic_id) \
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.apic_id_mask = APIC_ID_MASK, \
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APICFUNC(cpu_mask_to_apicid) \
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APICFUNC(cpu_mask_to_apicid_and) \
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APICFUNC(vector_allocation_domain) \
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APICFUNC(acpi_madt_oem_check) \
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IPIFUNC(send_IPI_mask) \
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IPIFUNC(send_IPI_allbutself) \
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IPIFUNC(send_IPI_all) \
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APICFUNC(enable_apic_mode) \
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APICFUNC(phys_pkg_id) \
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.trampoline_phys_low = TRAMPOLINE_PHYS_LOW, \
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.trampoline_phys_high = TRAMPOLINE_PHYS_HIGH, \
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APICFUNC(wait_for_init_deassert) \
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APICFUNC(smp_callin_clear_local_apic) \
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APICFUNC(store_NMI_vector) \
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APICFUNC(restore_NMI_vector) \
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APICFUNC(inquire_remote_apic) \
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}
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extern void es7000_update_genapic_to_cluster(void);
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#else /* CONFIG_X86_64: */
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extern struct genapic apic_flat;
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extern struct genapic apic_physflat;
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extern struct genapic apic_x2apic_cluster;
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extern struct genapic apic_x2apic_phys;
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extern int acpi_madt_oem_check(char *, char *);
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extern void apic_send_IPI_self(int vector);
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extern struct genapic apic_x2apic_uv_x;
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DECLARE_PER_CPU(int, x2apic_extra_bits);
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extern void setup_apic_routing(void);
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#endif /* CONFIG_X86_64 */
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#endif /* _ASM_X86_GENAPIC_64_H */
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