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/* X2APIC */
 
 
17void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
18u32 x2apic_get_apic_id(u32 id);
19
20void x2apic_send_IPI_all(int vector);
21void x2apic_send_IPI_allbutself(int vector);
22void x2apic_send_IPI_self(int vector);
23extern u32 x2apic_max_apicid;
24
25/* IPI */
26
27DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);
28
29static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
30					 unsigned int dest)
31{
32	unsigned int icr = shortcut | dest;
33
34	switch (vector) {
35	default:
36		icr |= APIC_DM_FIXED | vector;
37		break;
38	case NMI_VECTOR:
39		icr |= APIC_DM_NMI;
40		break;
41	}
42	return icr;
43}
44
45void default_init_apic_ldr(void);
46
47void apic_mem_wait_icr_idle(void);
48u32 apic_mem_wait_icr_idle_timeout(void);
49
50/*
51 * This is used to send an IPI with no shorthand notation (the destination is
52 * specified in bits 56 to 63 of the ICR).
53 */
54void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
55
56void default_send_IPI_single(int cpu, int vector);
57void default_send_IPI_single_phys(int cpu, int vector);
58void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);
59void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);
60void default_send_IPI_allbutself(int vector);
61void default_send_IPI_all(int vector);
62void default_send_IPI_self(int vector);
63
64#ifdef CONFIG_X86_32
65void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);
66void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);
67void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);
68void x86_32_probe_bigsmp_early(void);
69void x86_32_install_bigsmp(void);
70#else
71static inline void x86_32_probe_bigsmp_early(void) { }
72static inline void x86_32_install_bigsmp(void) { }
73#endif
74
75#ifdef CONFIG_X86_BIGSMP
76bool apic_bigsmp_possible(bool cmdline_selected);
77void apic_bigsmp_force(void);
78#else
79static inline bool apic_bigsmp_possible(bool cmdline_selected) { return false; };
80static inline void apic_bigsmp_force(void) { }
81#endif

 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