1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
4 #include <mach_apicdef.h>
6 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
8 static inline cpumask_const_t target_cpus(void)
11 return mk_cpumask_const(cpu_online_map);
13 return mk_cpumask_const(cpumask_of_cpu(0));
16 #define TARGET_CPUS (target_cpus())
18 #define NO_BALANCE_IRQ (0)
19 #define esr_disable (0)
21 #define NO_IOAPIC_CHECK (0)
23 #define INT_DELIVERY_MODE dest_LowestPrio
24 #define INT_DEST_MODE 1 /* logical delivery broadcast to all procs */
27 * this isn't really broadcast, just a (potentially inaccurate) upper
28 * bound for valid physical APIC id's
30 #define APIC_BROADCAST_ID 0x0F
32 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
34 return physid_isset(apicid, bitmap);
37 static inline unsigned long check_apicid_present(int bit)
39 return physid_isset(bit, phys_cpu_present_map);
43 * Set up the logical destination ID.
45 * Intel recommends to set DFR, LDR and TPR before enabling
46 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
47 * document number 292116). So here it goes...
49 static inline void init_apic_ldr(void)
53 apic_write_around(APIC_DFR, APIC_DFR_VALUE);
54 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
55 val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
56 apic_write_around(APIC_LDR, val);
59 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
64 static inline void clustered_apic_check(void)
66 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
70 static inline int multi_timer_check(int apic, int irq)
75 static inline int apicid_to_node(int logical_apicid)
80 /* Mapping from cpu number to logical apicid */
81 static inline int cpu_to_logical_apicid(int cpu)
86 static inline int cpu_present_to_apicid(int mps_cpu)
91 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
93 return physid_mask_of_physid(phys_apicid);
96 static inline int mpc_apic_id(struct mpc_config_processor *m,
97 struct mpc_config_translation *translation_record)
99 printk("Processor #%d %ld:%ld APIC version %d\n",
101 (m->mpc_cpufeature & CPU_FAMILY_MASK) >> 8,
102 (m->mpc_cpufeature & CPU_MODEL_MASK) >> 4,
104 return (m->mpc_apicid);
107 static inline void setup_portio_remap(void)
111 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
113 return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
116 static inline int apic_id_registered(void)
118 return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
121 static inline unsigned int cpu_mask_to_apicid(cpumask_const_t cpumask)
123 return cpus_coerce_const(cpumask);
126 static inline void enable_apic_mode(void)
130 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
132 return cpuid_apic >> index_msb;
135 #endif /* __ASM_MACH_APIC_H */