1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Historical copyright notices:
 4 *
 5 * Copyright 2004 James Cleverdon, IBM.
 6 * (c) 1995 Alan Cox, Building #3 <alan@redhat.com>
 7 * (c) 1998-99, 2000 Ingo Molnar <mingo@redhat.com>
 8 * (c) 2002,2003 Andi Kleen, SuSE Labs.
 9 */
10
11#include <linux/jump_label.h>
12
13#include <asm/irq_vectors.h>
14#include <asm/apic.h>
15
16/* APIC flat 64 */
17void flat_init_apic_ldr(void);
18
19/* X2APIC */
20int x2apic_apic_id_valid(u32 apicid);
21int x2apic_apic_id_registered(void);
22void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
23unsigned int x2apic_get_apic_id(unsigned long id);
24u32 x2apic_set_apic_id(unsigned int id);
25int x2apic_phys_pkg_id(int initial_apicid, int index_msb);
26void x2apic_send_IPI_self(int vector);
27void __x2apic_send_IPI_shorthand(int vector, u32 which);
28
29/* IPI */
30
31DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);
32
33static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
34					 unsigned int dest)
35{
36	unsigned int icr = shortcut | dest;
37
38	switch (vector) {
39	default:
40		icr |= APIC_DM_FIXED | vector;
41		break;
42	case NMI_VECTOR:
43		icr |= APIC_DM_NMI;
44		break;
45	}
46	return icr;
47}
48
49void __default_send_IPI_shortcut(unsigned int shortcut, int vector);
50
51/*
52 * This is used to send an IPI with no shorthand notation (the destination is
53 * specified in bits 56 to 63 of the ICR).
54 */
55void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
56
57void default_send_IPI_single(int cpu, int vector);
58void default_send_IPI_single_phys(int cpu, int vector);
59void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);
60void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);
61void default_send_IPI_allbutself(int vector);
62void default_send_IPI_all(int vector);
63void default_send_IPI_self(int vector);
64
65#ifdef CONFIG_X86_32
66void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);
67void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);
68void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);
69#endif