1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
4 #define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
5 #define esr_disable (1)
7 static inline int apic_id_registered(void)
12 static inline cpumask_t target_cpus(void)
15 return cpu_online_map;
17 return cpumask_of_cpu(0);
21 #undef APIC_DEST_LOGICAL
22 #define APIC_DEST_LOGICAL 0
23 #define APIC_DFR_VALUE (APIC_DFR_FLAT)
24 #define INT_DELIVERY_MODE (dest_Fixed)
25 #define INT_DEST_MODE (0) /* phys delivery to target proc */
26 #define NO_BALANCE_IRQ (0)
27 #define WAKE_SECONDARY_VIA_INIT
30 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
35 static inline unsigned long check_apicid_present(int bit)
40 static inline unsigned long calculate_ldr(int cpu)
42 unsigned long val, id;
43 val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
44 id = xapic_phys_to_log_apicid(cpu);
45 val |= SET_APIC_LOGICAL_ID(id);
50 * Set up the logical destination ID.
52 * Intel recommends to set DFR, LDR and TPR before enabling
53 * an APIC. See e.g. "AP-388 82489DX User's Manual" (Intel
54 * document number 292116). So here it goes...
56 static inline void init_apic_ldr(void)
59 int cpu = smp_processor_id();
61 apic_write(APIC_DFR, APIC_DFR_VALUE);
62 val = calculate_ldr(cpu);
63 apic_write(APIC_LDR, val);
66 static inline void setup_apic_routing(void)
68 printk("Enabling APIC mode: %s. Using %d I/O APICs\n",
69 "Physflat", nr_ioapics);
72 static inline int multi_timer_check(int apic, int irq)
77 static inline int apicid_to_node(int logical_apicid)
79 return apicid_2_node[hard_smp_processor_id()];
82 static inline int cpu_present_to_apicid(int mps_cpu)
84 if (mps_cpu < NR_CPUS)
85 return (int) per_cpu(x86_bios_cpu_apicid, mps_cpu);
90 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
92 return physid_mask_of_physid(phys_apicid);
95 extern u8 cpu_2_logical_apicid[];
96 /* Mapping from cpu number to logical apicid */
97 static inline int cpu_to_logical_apicid(int cpu)
101 return cpu_physical_id(cpu);
104 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
106 /* For clustered we don't have a good way to do this yet - hack */
107 return physids_promote(0xFFL);
110 static inline void setup_portio_remap(void)
114 static inline void enable_apic_mode(void)
118 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
123 /* As we are using single CPU as destination, pick only one CPU here */
124 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
129 cpu = first_cpu(cpumask);
130 apicid = cpu_to_logical_apicid(cpu);
134 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
136 return cpuid_apic >> index_msb;
139 #endif /* __ASM_MACH_APIC_H */