1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Historical copyright notices:
*
* Copyright 2004 James Cleverdon, IBM.
* (c) 1995 Alan Cox, Building #3 <alan@redhat.com>
* (c) 1998-99, 2000 Ingo Molnar <mingo@redhat.com>
* (c) 2002,2003 Andi Kleen, SuSE Labs.
*/
#include <linux/jump_label.h>
#include <asm/irq_vectors.h>
#include <asm/apic.h>
/* X2APIC */
void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest);
unsigned int x2apic_get_apic_id(unsigned long id);
u32 x2apic_set_apic_id(unsigned int id);
int x2apic_phys_pkg_id(int initial_apicid, int index_msb);
void x2apic_send_IPI_all(int vector);
void x2apic_send_IPI_allbutself(int vector);
void x2apic_send_IPI_self(int vector);
extern u32 x2apic_max_apicid;
/* IPI */
DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand);
static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector,
unsigned int dest)
{
unsigned int icr = shortcut | dest;
switch (vector) {
default:
icr |= APIC_DM_FIXED | vector;
break;
case NMI_VECTOR:
icr |= APIC_DM_NMI;
break;
}
return icr;
}
void default_init_apic_ldr(void);
void apic_mem_wait_icr_idle(void);
u32 apic_mem_wait_icr_idle_timeout(void);
/*
* This is used to send an IPI with no shorthand notation (the destination is
* specified in bits 56 to 63 of the ICR).
*/
void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest);
void default_send_IPI_single(int cpu, int vector);
void default_send_IPI_single_phys(int cpu, int vector);
void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector);
void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector);
void default_send_IPI_allbutself(int vector);
void default_send_IPI_all(int vector);
void default_send_IPI_self(int vector);
bool default_apic_id_registered(void);
#ifdef CONFIG_X86_32
void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector);
void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector);
void default_send_IPI_mask_logical(const struct cpumask *mask, int vector);
void x86_32_probe_bigsmp_early(void);
void x86_32_install_bigsmp(void);
#else
static inline void x86_32_probe_bigsmp_early(void) { }
static inline void x86_32_install_bigsmp(void) { }
#endif
#ifdef CONFIG_X86_BIGSMP
bool apic_bigsmp_possible(bool cmdline_selected);
void apic_bigsmp_force(void);
#else
static inline bool apic_bigsmp_possible(bool cmdline_selected) { return false; };
static inline void apic_bigsmp_force(void) { }
#endif
|
