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#ifndef __ASM_MACH_APIC_H
#define __ASM_MACH_APIC_H
#define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
static inline int bigsmp_apic_id_registered(void)
{
return 1;
}
static inline const cpumask_t *bigsmp_target_cpus(void)
{
#ifdef CONFIG_SMP
return &cpu_online_map;
#else
return &cpumask_of_cpu(0);
#endif
}
#define APIC_DFR_VALUE (APIC_DFR_FLAT)
static inline unsigned long
bigsmp_check_apicid_used(physid_mask_t bitmap, int apicid)
{
return 0;
}
static inline unsigned long bigsmp_check_apicid_present(int bit)
{
return 1;
}
static inline unsigned long calculate_ldr(int cpu)
{
unsigned long val, id;
val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
id = xapic_phys_to_log_apicid(cpu);
val |= SET_APIC_LOGICAL_ID(id);
return val;
}
/*
* 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 bigsmp_init_apic_ldr(void)
{
unsigned long val;
int cpu = smp_processor_id();
apic_write(APIC_DFR, APIC_DFR_VALUE);
val = calculate_ldr(cpu);
apic_write(APIC_LDR, val);
}
static inline void bigsmp_setup_apic_routing(void)
{
printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
"Physflat", nr_ioapics);
}
static inline int bigsmp_apicid_to_node(int logical_apicid)
{
return apicid_2_node[hard_smp_processor_id()];
}
static inline int bigsmp_cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < nr_cpu_ids)
return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
return BAD_APICID;
}
static inline physid_mask_t bigsmp_apicid_to_cpu_present(int phys_apicid)
{
return physid_mask_of_physid(phys_apicid);
}
extern u8 cpu_2_logical_apicid[];
/* Mapping from cpu number to logical apicid */
static inline int bigsmp_cpu_to_logical_apicid(int cpu)
{
if (cpu >= nr_cpu_ids)
return BAD_APICID;
return cpu_physical_id(cpu);
}
static inline physid_mask_t bigsmp_ioapic_phys_id_map(physid_mask_t phys_map)
{
/* For clustered we don't have a good way to do this yet - hack */
return physids_promote(0xFFL);
}
static inline void bigsmp_setup_portio_remap(void)
{
}
static inline int bigsmp_check_phys_apicid_present(int boot_cpu_physical_apicid)
{
return 1;
}
/* As we are using single CPU as destination, pick only one CPU here */
static inline unsigned int bigsmp_cpu_mask_to_apicid(const cpumask_t *cpumask)
{
return bigsmp_cpu_to_logical_apicid(first_cpu(*cpumask));
}
static inline unsigned int
bigsmp_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
const struct cpumask *andmask)
{
int cpu;
/*
* We're using fixed IRQ delivery, can only return one phys APIC ID.
* May as well be the first.
*/
for_each_cpu_and(cpu, cpumask, andmask) {
if (cpumask_test_cpu(cpu, cpu_online_mask))
break;
}
if (cpu < nr_cpu_ids)
return bigsmp_cpu_to_logical_apicid(cpu);
return BAD_APICID;
}
static inline int bigsmp_phys_pkg_id(int cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
#endif /* __ASM_MACH_APIC_H */
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