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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/x86/kernel/apic/local.h
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * Historical copyright notices:

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 *

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 * Copyright 2004 James Cleverdon, IBM.

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 * (c) 1995 Alan Cox, Building #3 <[email protected]>

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 * (c) 1998-99, 2000 Ingo Molnar <[email protected]>

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 * (c) 2002,2003 Andi Kleen, SuSE Labs.

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 */

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#include <linux/jump_label.h>

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#include <asm/irq_vectors.h>

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#include <asm/apic.h>

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/* X2APIC */

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u32 x2apic_get_apic_id(u32 id);

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void x2apic_send_IPI_all(int vector);

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void x2apic_send_IPI_allbutself(int vector);

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void x2apic_send_IPI_self(int vector);

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extern u32 x2apic_max_apicid;

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/* IPI */

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DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);

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static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,

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					 unsigned int dest)

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{

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	unsigned int icr = shortcut | dest;

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	switch (vector) {

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	default:

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		icr |= APIC_DM_FIXED | vector;

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		break;

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	case NMI_VECTOR:

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		icr |= APIC_DM_NMI;

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		break;

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	}

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	return icr;

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}

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#ifdef CONFIG_X86_X2APIC

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static inline void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)

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{

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	unsigned long cfg = __prepare_ICR(0, vector, dest);

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	native_x2apic_icr_write(cfg, apicid);

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}

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#endif

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void default_init_apic_ldr(void);

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void apic_mem_wait_icr_idle(void);

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u32 apic_mem_wait_icr_idle_timeout(void);

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/*

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 * This is used to send an IPI with no shorthand notation (the destination is

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 * specified in bits 56 to 63 of the ICR).

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 */

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void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);

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void default_send_IPI_single(int cpu, int vector);

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void default_send_IPI_single_phys(int cpu, int vector);

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void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);

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void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);

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void default_send_IPI_allbutself(int vector);

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void default_send_IPI_all(int vector);

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void default_send_IPI_self(int vector);

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#ifdef CONFIG_X86_32

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void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);

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void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);

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void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);

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#endif

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