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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))
#define esr_disable (1)
static inline int apic_id_registered(void)
{
return (1);
}
/* Round robin the irqs amoung the online cpus */
static inline cpumask_t target_cpus(void)
{
static unsigned long cpu = NR_CPUS;
do {
if (cpu >= NR_CPUS)
cpu = first_cpu(cpu_online_map);
else
cpu = next_cpu(cpu, cpu_online_map);
} while (cpu >= NR_CPUS);
return cpumask_of_cpu(cpu);
}
#undef APIC_DEST_LOGICAL
#define APIC_DEST_LOGICAL 0
#define TARGET_CPUS (target_cpus())
#define APIC_DFR_VALUE (APIC_DFR_FLAT)
#define INT_DELIVERY_MODE (dest_Fixed)
#define INT_DEST_MODE (0) /* phys delivery to target proc */
#define NO_BALANCE_IRQ (0)
#define WAKE_SECONDARY_VIA_INIT
static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
{
return (0);
}
static inline unsigned long 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 init_apic_ldr(void)
{
unsigned long val;
int cpu = smp_processor_id();
apic_write_around(APIC_DFR, APIC_DFR_VALUE);
val = calculate_ldr(cpu);
apic_write_around(APIC_LDR, val);
}
static inline void setup_apic_routing(void)
{
printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
"Physflat", nr_ioapics);
}
static inline int multi_timer_check(int apic, int irq)
{
return (0);
}
static inline int apicid_to_node(int logical_apicid)
{
return (0);
}
static inline int cpu_present_to_apicid(int mps_cpu)
{
if (mps_cpu < NR_CPUS)
return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
return BAD_APICID;
}
static inline physid_mask_t 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 cpu_to_logical_apicid(int cpu)
{
if (cpu >= NR_CPUS)
return BAD_APICID;
return cpu_physical_id(cpu);
}
static inline physid_mask_t 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 setup_portio_remap(void)
{
}
static inline void enable_apic_mode(void)
{
}
static inline int 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 cpu_mask_to_apicid(cpumask_t cpumask)
{
int cpu;
int apicid;
cpu = first_cpu(cpumask);
apicid = cpu_to_logical_apicid(cpu);
return apicid;
}
static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
{
return cpuid_apic >> index_msb;
}
#endif /* __ASM_MACH_APIC_H */
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