Linux Kernel  3.7.1
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x2apic.h
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1 /*
2  * Common bits for X2APIC cluster/physical modes.
3  */
4 
5 #ifndef _ASM_X86_X2APIC_H
6 #define _ASM_X86_X2APIC_H
7 
8 #include <asm/apic.h>
9 #include <asm/ipi.h>
10 #include <linux/cpumask.h>
11 
12 static int x2apic_apic_id_valid(int apicid)
13 {
14  return 1;
15 }
16 
17 static int x2apic_apic_id_registered(void)
18 {
19  return 1;
20 }
21 
22 static void
23 __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
24 {
25  unsigned long cfg = __prepare_ICR(0, vector, dest);
26  native_x2apic_icr_write(cfg, apicid);
27 }
28 
29 static unsigned int x2apic_get_apic_id(unsigned long id)
30 {
31  return id;
32 }
33 
34 static unsigned long x2apic_set_apic_id(unsigned int id)
35 {
36  return id;
37 }
38 
39 static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
40 {
41  return initial_apicid >> index_msb;
42 }
43 
44 static void x2apic_send_IPI_self(int vector)
45 {
46  apic_write(APIC_SELF_IPI, vector);
47 }
48 
49 #endif /* _ASM_X86_X2APIC_H */