1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Historical copyright notices:
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2004 James Cleverdon, IBM.
6*4882a593Smuzhiyun * (c) 1995 Alan Cox, Building #3 <alan@redhat.com>
7*4882a593Smuzhiyun * (c) 1998-99, 2000 Ingo Molnar <mingo@redhat.com>
8*4882a593Smuzhiyun * (c) 2002,2003 Andi Kleen, SuSE Labs.
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <linux/jump_label.h>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <asm/irq_vectors.h>
14*4882a593Smuzhiyun #include <asm/apic.h>
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun /* APIC flat 64 */
17*4882a593Smuzhiyun void flat_init_apic_ldr(void);
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun /* X2APIC */
20*4882a593Smuzhiyun int x2apic_apic_id_valid(u32 apicid);
21*4882a593Smuzhiyun int x2apic_apic_id_registered(void);
22*4882a593Smuzhiyun void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
23*4882a593Smuzhiyun unsigned int x2apic_get_apic_id(unsigned long id);
24*4882a593Smuzhiyun u32 x2apic_set_apic_id(unsigned int id);
25*4882a593Smuzhiyun int x2apic_phys_pkg_id(int initial_apicid, int index_msb);
26*4882a593Smuzhiyun void x2apic_send_IPI_self(int vector);
27*4882a593Smuzhiyun void __x2apic_send_IPI_shorthand(int vector, u32 which);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun /* IPI */
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);
32*4882a593Smuzhiyun
__prepare_ICR(unsigned int shortcut,int vector,unsigned int dest)33*4882a593Smuzhiyun static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
34*4882a593Smuzhiyun unsigned int dest)
35*4882a593Smuzhiyun {
36*4882a593Smuzhiyun unsigned int icr = shortcut | dest;
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun switch (vector) {
39*4882a593Smuzhiyun default:
40*4882a593Smuzhiyun icr |= APIC_DM_FIXED | vector;
41*4882a593Smuzhiyun break;
42*4882a593Smuzhiyun case NMI_VECTOR:
43*4882a593Smuzhiyun icr |= APIC_DM_NMI;
44*4882a593Smuzhiyun break;
45*4882a593Smuzhiyun }
46*4882a593Smuzhiyun return icr;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun void __default_send_IPI_shortcut(unsigned int shortcut, int vector);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun /*
52*4882a593Smuzhiyun * This is used to send an IPI with no shorthand notation (the destination is
53*4882a593Smuzhiyun * specified in bits 56 to 63 of the ICR).
54*4882a593Smuzhiyun */
55*4882a593Smuzhiyun void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun void default_send_IPI_single(int cpu, int vector);
58*4882a593Smuzhiyun void default_send_IPI_single_phys(int cpu, int vector);
59*4882a593Smuzhiyun void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);
60*4882a593Smuzhiyun void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);
61*4882a593Smuzhiyun void default_send_IPI_allbutself(int vector);
62*4882a593Smuzhiyun void default_send_IPI_all(int vector);
63*4882a593Smuzhiyun void default_send_IPI_self(int vector);
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun #ifdef CONFIG_X86_32
66*4882a593Smuzhiyun void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);
67*4882a593Smuzhiyun void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);
68*4882a593Smuzhiyun void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);
69*4882a593Smuzhiyun #endif
70