release/src-rt-6.x/linux/linux-2.6/include/asm-i386/mach-default/mach_apic.h

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