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 */ 17 u32 x2apic_get_apic_id(u32 id); 18 19 void x2apic_send_IPI_all(int vector); 20 void x2apic_send_IPI_allbutself(int vector); 21 void x2apic_send_IPI_self(int vector); 22 extern u32 x2apic_max_apicid; 23 24 /* IPI */ 25 26 DECLARE_STATIC_KEY_FALSE(apic_use_ipi_shorthand); 27 28 static inline unsigned int __prepare_ICR(unsigned int shortcut, int vector, 29 unsigned int dest) 30 { 31 unsigned int icr = shortcut | dest; 32 33 switch (vector) { 34 default: 35 icr |= APIC_DM_FIXED | vector; 36 break; 37 case NMI_VECTOR: 38 icr |= APIC_DM_NMI; 39 break; 40 } 41 return icr; 42 } 43 44 #ifdef CONFIG_X86_X2APIC 45 static inline void __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest) 46 { 47 unsigned long cfg = __prepare_ICR(0, vector, dest); 48 49 native_x2apic_icr_write(cfg, apicid); 50 } 51 #endif 52 53 void default_init_apic_ldr(void); 54 55 void apic_mem_wait_icr_idle(void); 56 u32 apic_mem_wait_icr_idle_timeout(void); 57 58 /* 59 * This is used to send an IPI with no shorthand notation (the destination is 60 * specified in bits 56 to 63 of the ICR). 61 */ 62 void __default_send_IPI_dest_field(unsigned int mask, int vector, unsigned int dest); 63 64 void default_send_IPI_single(int cpu, int vector); 65 void default_send_IPI_single_phys(int cpu, int vector); 66 void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector); 67 void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, int vector); 68 void default_send_IPI_allbutself(int vector); 69 void default_send_IPI_all(int vector); 70 void default_send_IPI_self(int vector); 71 72 #ifdef CONFIG_X86_32 73 void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, int vector); 74 void default_send_IPI_mask_allbutself_logical(const struct cpumask *mask, int vector); 75 void default_send_IPI_mask_logical(const struct cpumask *mask, int vector); 76 #endif 77