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 /* APIC flat 64 */ 17 void flat_init_apic_ldr(void); 18 19 /* X2APIC */ 20 int x2apic_apic_id_valid(u32 apicid); 21 int x2apic_apic_id_registered(void); 22 void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest); 23 unsigned int x2apic_get_apic_id(unsigned long id); 24 u32 x2apic_set_apic_id(unsigned int id); 25 int x2apic_phys_pkg_id(int initial_apicid, int index_msb); 26 void x2apic_send_IPI_self(int vector); 27 void __x2apic_send_IPI_shorthand(int vector, u32 which); 28 29 /* IPI */ 30 31 DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand); 32 33 static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector, 34 unsigned int dest) 35 { 36 unsigned int icr = shortcut | dest; 37 38 switch (vector) { 39 default: 40 icr |= APIC_DM_FIXED | vector; 41 break; 42 case NMI_VECTOR: 43 icr |= APIC_DM_NMI; 44 break; 45 } 46 return icr; 47 } 48 49 void __default_send_IPI_shortcut(unsigned int shortcut, int vector); 50 51 /* 52 * This is used to send an IPI with no shorthand notation (the destination is 53 * specified in bits 56 to 63 of the ICR). 54 */ 55 void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest); 56 57 void default_send_IPI_single(int cpu, int vector); 58 void default_send_IPI_single_phys(int cpu, int vector); 59 void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector); 60 void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector); 61 void default_send_IPI_allbutself(int vector); 62 void default_send_IPI_all(int vector); 63 void default_send_IPI_self(int vector); 64 65 #ifdef CONFIG_X86_32 66 void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector); 67 void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector); 68 void default_send_IPI_mask_logical(const struct cpumask *mask, int vector); 69 #endif 70