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46 lines
941 B
46 lines
941 B
/* |
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* Common functions shared between the various APIC flavours |
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* |
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* SPDX-License-Identifier: GPL-2.0 |
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*/ |
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#include <linux/irq.h> |
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#include <asm/apic.h> |
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u32 apic_default_calc_apicid(unsigned int cpu) |
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{ |
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return per_cpu(x86_cpu_to_apicid, cpu); |
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} |
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u32 apic_flat_calc_apicid(unsigned int cpu) |
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{ |
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return 1U << cpu; |
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} |
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bool default_check_apicid_used(physid_mask_t *map, int apicid) |
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{ |
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return physid_isset(apicid, *map); |
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} |
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void default_ioapic_phys_id_map(physid_mask_t *phys_map, physid_mask_t *retmap) |
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{ |
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*retmap = *phys_map; |
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} |
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int default_cpu_present_to_apicid(int mps_cpu) |
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{ |
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if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu)) |
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return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu); |
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else |
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return BAD_APICID; |
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} |
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EXPORT_SYMBOL_GPL(default_cpu_present_to_apicid); |
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int default_check_phys_apicid_present(int phys_apicid) |
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{ |
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return physid_isset(phys_apicid, phys_cpu_present_map); |
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} |
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int default_apic_id_valid(u32 apicid) |
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{ |
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return (apicid < 255); |
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}
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