1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768 |
- /*
- * Common bits for X2APIC cluster/physical modes.
- */
- #ifndef _ASM_X86_X2APIC_H
- #define _ASM_X86_X2APIC_H
- #include <asm/apic.h>
- #include <asm/ipi.h>
- #include <linux/cpumask.h>
- /*
- * Need to use more than cpu 0, because we need more vectors
- * when MSI-X are used.
- */
- static const struct cpumask *x2apic_target_cpus(void)
- {
- return cpu_online_mask;
- }
- static int x2apic_apic_id_valid(int apicid)
- {
- return 1;
- }
- static int x2apic_apic_id_registered(void)
- {
- return 1;
- }
- /*
- * For now each logical cpu is in its own vector allocation domain.
- */
- static void x2apic_vector_allocation_domain(int cpu, struct cpumask *retmask)
- {
- cpumask_clear(retmask);
- cpumask_set_cpu(cpu, retmask);
- }
- static void
- __x2apic_send_IPI_dest(unsigned int apicid, int vector, unsigned int dest)
- {
- unsigned long cfg = __prepare_ICR(0, vector, dest);
- native_x2apic_icr_write(cfg, apicid);
- }
- static unsigned int x2apic_get_apic_id(unsigned long id)
- {
- return id;
- }
- static unsigned long x2apic_set_apic_id(unsigned int id)
- {
- return id;
- }
- static int x2apic_phys_pkg_id(int initial_apicid, int index_msb)
- {
- return initial_apicid >> index_msb;
- }
- static void x2apic_send_IPI_self(int vector)
- {
- apic_write(APIC_SELF_IPI, vector);
- }
- #endif /* _ASM_X86_X2APIC_H */
|