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 82