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/apic.h> 14 15 /* APIC flat 64 */ 16 void flat_init_apic_ldr(void); 17 18 /* X2APIC */ 19 int x2apic_apic_id_valid(u32 apicid); 20 int x2apic_apic_id_registered(void); 21 void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest); 22 unsigned int x2apic_get_apic_id(unsigned long id); 23 u32 x2apic_set_apic_id(unsigned int id); 24 int x2apic_phys_pkg_id(int initial_apicid, int index_msb); 25 void x2apic_send_IPI_self(int vector); 26 27 /* IPI */ 28 29 DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand); 30 31 static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector, 32 unsigned int dest) 33 { 34 unsigned int icr = shortcut | dest; 35 36 switch (vector) { 37 default: 38 icr |= APIC_DM_FIXED | vector; 39 break; 40 case NMI_VECTOR: 41 icr |= APIC_DM_NMI; 42 break; 43 } 44 return icr; 45 } 46 47 void __default_send_IPI_shortcut(unsigned int shortcut, int vector); 48 49 /* 50 * This is used to send an IPI with no shorthand notation (the destination is 51 * specified in bits 56 to 63 of the ICR). 52 */ 53 void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest); 54 55 void default_send_IPI_single(int cpu, int vector); 56 void default_send_IPI_single_phys(int cpu, int vector); 57 void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector); 58 void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector); 59 void default_send_IPI_allbutself(int vector); 60 void default_send_IPI_all(int vector); 61 void default_send_IPI_self(int vector); 62 63 #ifdef CONFIG_X86_32 64 void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector); 65 void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector); 66 void default_send_IPI_mask_logical(const struct cpumask *mask, int vector); 67 #endif 68