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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / include / asm-x86 / mach-default / mach_apic.h
1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
3
4 #ifdef CONFIG_X86_LOCAL_APIC
5
6 #include <mach_apicdef.h>
7 #include <asm/smp.h>
8
9 #define APIC_DFR_VALUE  (APIC_DFR_FLAT)
10
11 static inline cpumask_t target_cpus(void)
12
13 #ifdef CONFIG_SMP
14         return cpu_online_map;
15 #else
16         return cpumask_of_cpu(0);
17 #endif
18
19
20 #define NO_BALANCE_IRQ (0)
21 #define esr_disable (0)
22
23 #ifdef CONFIG_X86_64
24 #include <asm/genapic.h>
25 #define INT_DELIVERY_MODE (genapic->int_delivery_mode)
26 #define INT_DEST_MODE (genapic->int_dest_mode)
27 #define TARGET_CPUS       (genapic->target_cpus())
28 #define apic_id_registered (genapic->apic_id_registered)
29 #define init_apic_ldr (genapic->init_apic_ldr)
30 #define cpu_mask_to_apicid (genapic->cpu_mask_to_apicid)
31 #define phys_pkg_id     (genapic->phys_pkg_id)
32 #define vector_allocation_domain    (genapic->vector_allocation_domain)
33 extern void setup_apic_routing(void);
34 #else
35 #define INT_DELIVERY_MODE dest_LowestPrio
36 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
37 #define TARGET_CPUS (target_cpus())
38 /*
39  * Set up the logical destination ID.
40  *
41  * Intel recommends to set DFR, LDR and TPR before enabling
42  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
43  * document number 292116).  So here it goes...
44  */
45 static inline void init_apic_ldr(void)
46 {
47         unsigned long val;
48
49         apic_write(APIC_DFR, APIC_DFR_VALUE);
50         val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
51         val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
52         apic_write(APIC_LDR, val);
53 }
54
55 static inline int apic_id_registered(void)
56 {
57         return physid_isset(GET_APIC_ID(read_apic_id()), phys_cpu_present_map);
58 }
59
60 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
61 {
62         return cpus_addr(cpumask)[0];
63 }
64
65 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
66 {
67         return cpuid_apic >> index_msb;
68 }
69
70 static inline void setup_apic_routing(void)
71 {
72 #ifdef CONFIG_X86_IO_APIC
73         printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
74                                         "Flat", nr_ioapics);
75 #endif
76 }
77
78 static inline int apicid_to_node(int logical_apicid)
79 {
80 #ifdef CONFIG_SMP
81         return apicid_2_node[hard_smp_processor_id()];
82 #else
83         return 0;
84 #endif
85 }
86 #endif
87
88 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
89 {
90         return physid_isset(apicid, bitmap);
91 }
92
93 static inline unsigned long check_apicid_present(int bit)
94 {
95         return physid_isset(bit, phys_cpu_present_map);
96 }
97
98 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
99 {
100         return phys_map;
101 }
102
103 static inline int multi_timer_check(int apic, int irq)
104 {
105         return 0;
106 }
107
108 /* Mapping from cpu number to logical apicid */
109 static inline int cpu_to_logical_apicid(int cpu)
110 {
111         return 1 << cpu;
112 }
113
114 static inline int cpu_present_to_apicid(int mps_cpu)
115 {
116         if (mps_cpu < NR_CPUS && cpu_present(mps_cpu))
117                 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
118         else
119                 return BAD_APICID;
120 }
121
122 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
123 {
124         return physid_mask_of_physid(phys_apicid);
125 }
126
127 static inline void setup_portio_remap(void)
128 {
129 }
130
131 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
132 {
133         return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
134 }
135
136 static inline void enable_apic_mode(void)
137 {
138 }
139
140 #endif /* CONFIG_X86_LOCAL_APIC */
141 #endif /* __ASM_MACH_APIC_H */