2 * Common bits for X2APIC cluster/physical modes.
5 #ifndef _ASM_X86_X2APIC_H
6 #define _ASM_X86_X2APIC_H
10 #include <linux/cpumask.h>
13 * Need to use more than cpu 0, because we need more vectors
14 * when MSI-X are used.
16 static const struct cpumask *x2apic_target_cpus(void)
18 return cpu_online_mask;
21 static int x2apic_apic_id_valid(int apicid)
26 static int x2apic_apic_id_registered(void)
32 * For now each logical cpu is in its own vector allocation domain.
34 static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
36 cpumask_clear(retmask);
37 cpumask_set_cpu(cpu, retmask);
41 __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
43 unsigned long cfg = __prepare_ICR(0, vector, dest);
44 native_x2apic_icr_write(cfg, apicid);
47 static unsigned int x2apic_get_apic_id(unsigned long id)
52 static unsigned long x2apic_set_apic_id(unsigned int id)
57 static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
59 return initial_apicid >> index_msb;
62 static void x2apic_send_IPI_self(int vector)
64 apic_write(APIC_SELF_IPI, vector);
67 #endif /* _ASM_X86_X2APIC_H */