cpu: convert 'cpu' and 'machinecheck' sysdev_class to a regular subsystem
[linux-2.6.git] / arch / x86 / include / asm / x2apic.h
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 /*
13  * Need to use more than cpu 0, because we need more vectors
14  * when MSI-X are used.
15  */
16 static const struct cpumask *x2apic_target_cpus(void)
17 {
18         return cpu_online_mask;
19 }
20
21 static int x2apic_apic_id_registered(void)
22 {
23         return 1;
24 }
25
26 /*
27  * For now each logical cpu is in its own vector allocation domain.
28  */
29 static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
30 {
31         cpumask_clear(retmask);
32         cpumask_set_cpu(cpu, retmask);
33 }
34
35 static void
36 __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
37 {
38         unsigned long cfg = __prepare_ICR(0, vector, dest);
39         native_x2apic_icr_write(cfg, apicid);
40 }
41
42 static unsigned int x2apic_get_apic_id(unsigned long id)
43 {
44         return id;
45 }
46
47 static unsigned long x2apic_set_apic_id(unsigned int id)
48 {
49         return id;
50 }
51
52 static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
53 {
54         return initial_apicid >> index_msb;
55 }
56
57 static void x2apic_send_IPI_self(int vector)
58 {
59         apic_write(APIC_SELF_IPI, vector);
60 }
61
62 #endif /* _ASM_X86_X2APIC_H */