Release 4.14 arch/x86/include/asm/ipi.h
#ifndef _ASM_X86_IPI_H
#define _ASM_X86_IPI_H
#ifdef CONFIG_X86_LOCAL_APIC
/*
* Copyright 2004 James Cleverdon, IBM.
* Subject to the GNU Public License, v.2
*
* Generic APIC InterProcessor Interrupt code.
*
* Moved to include file by James Cleverdon from
* arch/x86-64/kernel/smp.c
*
* Copyrights from kernel/smp.c:
*
* (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.
* Subject to the GNU Public License, v.2
*/
#include <asm/hw_irq.h>
#include <asm/apic.h>
#include <asm/smp.h>
/*
* the following functions deal with sending IPIs between CPUs.
*
* We use 'broadcast', CPU->CPU IPIs and self-IPIs too.
*/
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;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| James Cleverdon | 37 | 71.15% | 1 | 50.00% |
| Jan Beulich | 15 | 28.85% | 1 | 50.00% |
| Total | 52 | 100.00% | 2 | 100.00% |
static inline int __prepare_ICR2(unsigned int mask)
{
return SET_APIC_DEST_FIELD(mask);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| James Cleverdon | 17 | 100.00% | 1 | 100.00% |
| Total | 17 | 100.00% | 1 | 100.00% |
static inline void __xapic_wait_icr_idle(void)
{
while (native_apic_mem_read(APIC_ICR) & APIC_ICR_BUSY)
cpu_relax();
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Suresh B. Siddha | 21 | 100.00% | 1 | 100.00% |
| Total | 21 | 100.00% | 1 | 100.00% |
void __default_send_IPI_shortcut(unsigned int shortcut, int vector, unsigned int dest);
/*
* 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);
extern void default_send_IPI_single(int cpu, int vector);
extern void default_send_IPI_single_phys(int cpu, int vector);
extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask,
int vector);
extern void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask,
int vector);
/* Avoid include hell */
#define NMI_VECTOR 0x02
extern int no_broadcast;
static inline void __default_local_send_IPI_allbutself(int vector)
{
if (no_broadcast || vector == NMI_VECTOR)
apic->send_IPI_mask_allbutself(cpu_online_mask, vector);
else
__default_send_IPI_shortcut(APIC_DEST_ALLBUT, vector, apic->dest_logical);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ingo Molnar | 39 | 100.00% | 1 | 100.00% |
| Total | 39 | 100.00% | 1 | 100.00% |
static inline void __default_local_send_IPI_all(int vector)
{
if (no_broadcast || vector == NMI_VECTOR)
apic->send_IPI_mask(cpu_online_mask, vector);
else
__default_send_IPI_shortcut(APIC_DEST_ALLINC, vector, apic->dest_logical);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ingo Molnar | 39 | 100.00% | 1 | 100.00% |
| Total | 39 | 100.00% | 1 | 100.00% |
#ifdef CONFIG_X86_32
extern void default_send_IPI_mask_sequence_logical(const struct cpumask *mask,
int vector);
extern void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask,
int vector);
extern void default_send_IPI_mask_logical(const struct cpumask *mask,
int vector);
extern void default_send_IPI_allbutself(int vector);
extern void default_send_IPI_all(int vector);
extern void default_send_IPI_self(int vector);
#endif
#endif
#endif /* _ASM_X86_IPI_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ingo Molnar | 107 | 30.23% | 2 | 11.76% |
| James Cleverdon | 87 | 24.58% | 1 | 5.88% |
| Yinghai Lu | 36 | 10.17% | 2 | 11.76% |
| Tejun Heo | 28 | 7.91% | 1 | 5.88% |
| Thomas Gleixner | 22 | 6.21% | 2 | 11.76% |
| Suresh B. Siddha | 21 | 5.93% | 1 | 5.88% |
| Jan Beulich | 16 | 4.52% | 2 | 11.76% |
| Mike Travis | 15 | 4.24% | 2 | 11.76% |
| Fernando Luis Vázquez Cao | 14 | 3.95% | 1 | 5.88% |
| Paul Jackson | 3 | 0.85% | 1 | 5.88% |
| H. Peter Anvin | 3 | 0.85% | 1 | 5.88% |
| Denys Vlasenko | 2 | 0.56% | 1 | 5.88% |
| Total | 354 | 100.00% | 17 | 100.00% |
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