xref: /openbmc/linux/arch/x86/kernel/apic/local.h (revision 2cf1c348)
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