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#ifndef _ASM_X86_MACH_DEFAULT_MACH_APIC_H
#define _ASM_X86_MACH_DEFAULT_MACH_APIC_H
#ifdef CONFIG_X86_LOCAL_APIC
#include <asm/smp.h>
#define APIC_DFR_VALUE (APIC_DFR_FLAT)
static inline const struct cpumask *default_target_cpus(void)
{
#ifdef CONFIG_SMP
return cpu_online_mask;
#else
return cpumask_of(0);
#endif
}
#ifdef CONFIG_X86_64
#include <asm/genapic.h>
#define read_apic_id() (apic->get_apic_id(apic_read(APIC_ID)))
extern void default_setup_apic_routing(void);
#else
/*
* Set up the logical destination ID.
*
* Intel recommends to set DFR, LDR and TPR before enabling
* an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
* document number 292116). So here it goes...
*/
static inline void default_init_apic_ldr(void)
{
unsigned long val;
apic_write(APIC_DFR, APIC_DFR_VALUE);
val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
apic_write(APIC_LDR, val);
}
static inline int default_apic_id_registered(void)
{
return physid_isset(read_apic_id(), phys_cpu_present_map);
}
static inline unsigned int
default_cpu_mask_to_apicid(const struct cpumask *cpumask)
{
return cpumask_bits(cpumask)[0];
}
static inline unsigned int
default_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask)
{
unsigned long mask1 = cpumask_bits(cpumask)[0];
unsigned long mask2 = cpumask_bits(andmask)[0];
unsigned long mask3 = cpumask_bits(cpu_online_mask)[0];
return (unsigned int)(mask1 & mask2 & mask3);
}
static inline int default_phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
static inline void default_setup_apic_routing(void)
{
#ifdef CONFIG_X86_IO_APIC
printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
"Flat", nr_ioapics);
#endif
}
static inline int default_apicid_to_node(int logical_apicid)
{
#ifdef CONFIG_SMP
return apicid_2_node[hard_smp_processor_id()];
#else
return 0;
#endif
}
#endif
static inline unsigned long default_check_apicid_used(physid_mask_t bitmap, int apicid)
{
return physid_isset(apicid, bitmap);
}
static inline unsigned long default_check_apicid_present(int bit)
{
return physid_isset(bit, phys_cpu_present_map);
}
static inline physid_mask_t default_ioapic_phys_id_map(physid_mask_t phys_map)
{
return phys_map;
}
/* Mapping from cpu number to logical apicid */
static inline int default_cpu_to_logical_apicid(int cpu)
{
return 1 << cpu;
}
static inline int __default_cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < nr_cpu_ids && cpu_present(mps_cpu))
return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
else
return BAD_APICID;
}
static inline int
__default_check_phys_apicid_present(int boot_cpu_physical_apicid)
{
return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
}
#ifdef CONFIG_X86_32
static inline int default_cpu_present_to_apicid(int mps_cpu)
{
return __default_cpu_present_to_apicid(mps_cpu);
}
static inline int
default_check_phys_apicid_present(int boot_cpu_physical_apicid)
{
return __default_check_phys_apicid_present(boot_cpu_physical_apicid);
}
#else
extern int default_cpu_present_to_apicid(int mps_cpu);
extern int default_check_phys_apicid_present(int boot_cpu_physical_apicid);
#endif
static inline physid_mask_t default_apicid_to_cpu_present(int phys_apicid)
{
return physid_mask_of_physid(phys_apicid);
}
#endif /* CONFIG_X86_LOCAL_APIC */
#endif /* _ASM_X86_MACH_DEFAULT_MACH_APIC_H */
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