70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
|
/* 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>
|
||
|
|
|
||
|
|
/* APIC flat 64 */
|
||
|
|
void flat_init_apic_ldr(void);
|
||
|
|
|
||
|
|
/* X2APIC */
|
||
|
|
int x2apic_apic_id_valid(u32 apicid);
|
||
|
|
int x2apic_apic_id_registered(void);
|
||
|
|
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_self(int vector);
|
||
|
|
void __x2apic_send_IPI_shorthand(int vector, u32 which);
|
||
|
|
|
||
|
|
/* 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_send_IPI_shortcut(unsigned int shortcut, int vector);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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);
|
||
|
|
|
||
|
|
#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);
|
||
|
|
#endif
|