VServer 1.9.2 (patch-2.6.8.1-vs1.9.2.diff)
[linux-2.6.git] / include / asm-i386 / mach-visws / mach_apic.h
1 #ifndef __ASM_MACH_APIC_H
2 #define __ASM_MACH_APIC_H
3
4 #include <mach_apicdef.h>
5
6 #define APIC_DFR_VALUE  (APIC_DFR_FLAT)
7
8 #define no_balance_irq (0)
9 #define esr_disable (0)
10
11 #define NO_IOAPIC_CHECK (0)
12
13 #define INT_DELIVERY_MODE dest_LowestPrio
14 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
15
16 #ifdef CONFIG_SMP
17  #define TARGET_CPUS cpu_online_map
18 #else
19  #define TARGET_CPUS cpumask_of_cpu(0)
20 #endif
21
22 #define check_apicid_used(bitmap, apicid)       physid_isset(apicid, bitmap)
23 #define check_apicid_present(bit)               physid_isset(bit, phys_cpu_present_map)
24
25 static inline int apic_id_registered(void)
26 {
27         return physid_isset(GET_APIC_ID(apic_read(APIC_ID)), phys_cpu_present_map);
28 }
29
30 /*
31  * Set up the logical destination ID.
32  *
33  * Intel recommends to set DFR, LDR and TPR before enabling
34  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
35  * document number 292116).  So here it goes...
36  */
37 static inline void init_apic_ldr(void)
38 {
39         unsigned long val;
40
41         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
42         val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
43         val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
44         apic_write_around(APIC_LDR, val);
45 }
46
47 static inline void summit_check(char *oem, char *productid) 
48 {
49 }
50
51 static inline void clustered_apic_check(void)
52 {
53 }
54
55 /* Mapping from cpu number to logical apicid */
56 static inline int cpu_to_logical_apicid(int cpu)
57 {
58         return 1 << cpu;
59 }
60
61 static inline int cpu_present_to_apicid(int mps_cpu)
62 {
63         if (mps_cpu < get_physical_broadcast())
64                 return mps_cpu;
65         else
66                 return BAD_APICID;
67 }
68
69 static inline physid_mask_t apicid_to_cpu_present(int apicid)
70 {
71         return physid_mask_of_physid(apicid);
72 }
73
74 #define WAKE_SECONDARY_VIA_INIT
75
76 static inline void setup_portio_remap(void)
77 {
78 }
79
80 static inline void enable_apic_mode(void)
81 {
82 }
83
84 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
85 {
86         return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
87 }
88
89 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
90 {
91         return cpus_addr(cpumask)[0];
92 }
93
94 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
95 {
96         return cpuid_apic >> index_msb;
97 }
98
99 #endif /* __ASM_MACH_APIC_H */