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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 <mach_apicdef.h>
- #include <asm/smp.h>
- #define APIC_DFR_VALUE (APIC_DFR_FLAT)
- static inline const struct cpumask *target_cpus(void)
- {
- #ifdef CONFIG_SMP
- return cpu_online_mask;
- #else
- return cpumask_of(0);
- #endif
- }
- #define NO_BALANCE_IRQ (0)
- #define esr_disable (0)
- #ifdef CONFIG_X86_64
- #include <asm/genapic.h>
- #define IRQ_DELIVERY_MODE (apic->irq_delivery_mode)
- #define IRQ_DEST_MODE (apic->irq_dest_mode)
- #define TARGET_CPUS (apic->target_cpus())
- #define init_apic_ldr (apic->init_apic_ldr)
- #define cpu_mask_to_apicid (apic->cpu_mask_to_apicid)
- #define cpu_mask_to_apicid_and (apic->cpu_mask_to_apicid_and)
- #define phys_pkg_id (apic->phys_pkg_id)
- #define vector_allocation_domain (apic->vector_allocation_domain)
- #define read_apic_id() (GET_APIC_ID(apic_read(APIC_ID)))
- #define send_IPI_self (apic->send_IPI_self)
- #define wakeup_secondary_cpu (apic->wakeup_cpu)
- extern void setup_apic_routing(void);
- #else
- #define IRQ_DELIVERY_MODE dest_LowestPrio
- #define IRQ_DEST_MODE 1 /* logical delivery broadcast to all procs */
- #define TARGET_CPUS (target_cpus())
- #define wakeup_secondary_cpu wakeup_secondary_cpu_via_init
- /*
- * 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;
- 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 cpu_mask_to_apicid(const struct cpumask *cpumask)
- {
- return cpumask_bits(cpumask)[0];
- }
- static inline unsigned int 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 u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
- {
- return cpuid_apic >> index_msb;
- }
- static inline void 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 apicid_to_node(int logical_apicid)
- {
- #ifdef CONFIG_SMP
- return apicid_2_node[hard_smp_processor_id()];
- #else
- return 0;
- #endif
- }
- static inline void vector_allocation_domain(int cpu, struct cpumask *retmask)
- {
- /* Careful. Some cpus do not strictly honor the set of cpus
- * specified in the interrupt destination when using lowest
- * priority interrupt delivery mode.
- *
- * In particular there was a hyperthreading cpu observed to
- * deliver interrupts to the wrong hyperthread when only one
- * hyperthread was specified in the interrupt desitination.
- */
- *retmask = (cpumask_t) { { [0] = APIC_ALL_CPUS } };
- }
- #endif
- static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
- {
- return physid_isset(apicid, bitmap);
- }
- static inline unsigned long check_apicid_present(int bit)
- {
- return physid_isset(bit, phys_cpu_present_map);
- }
- static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
- {
- return phys_map;
- }
- static inline int multi_timer_check(int apic, int irq)
- {
- return 0;
- }
- /* Mapping from cpu number to logical apicid */
- static inline int cpu_to_logical_apicid(int cpu)
- {
- return 1 << cpu;
- }
- static inline int 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 physid_mask_t apicid_to_cpu_present(int phys_apicid)
- {
- return physid_mask_of_physid(phys_apicid);
- }
- static inline void setup_portio_remap(void)
- {
- }
- static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
- {
- return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
- }
- static inline void enable_apic_mode(void)
- {
- }
- #endif /* CONFIG_X86_LOCAL_APIC */
- #endif /* _ASM_X86_MACH_DEFAULT_MACH_APIC_H */
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