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 #define read_apic_id  (genapic->read_apic_id)
  34 #define send_IPI_self (genapic->send_IPI_self)
  35 extern void setup_apic_routing(void);
  36 #else
  37 #define INT_DELIVERY_MODE dest_LowestPrio
  38 #define INT_DEST_MODE 1     /* logical delivery broadcast to all procs */
  39 #define TARGET_CPUS (target_cpus())
  40 /*
  41  * Set up the logical destination ID.
  42  *
  43  * Intel recommends to set DFR, LDR and TPR before enabling
  44  * an APIC.  See e.g. "AP-388 82489DX User's Manual" (Intel
  45  * document number 292116).  So here it goes...
  46  */
  47 static inline void init_apic_ldr(void)
  48 {
  49         unsigned long val;
  50
  51         apic_write_around(APIC_DFR, APIC_DFR_VALUE);
  52         val = apic_read(APIC_LDR) & ~APIC_LDR_MASK;
  53         val |= SET_APIC_LOGICAL_ID(1UL << smp_processor_id());
  54         apic_write_around(APIC_LDR, val);
  55 }
  56
  57 static inline int apic_id_registered(void)
  58 {
  59         return physid_isset(read_apic_id(), phys_cpu_present_map);
  60 }
  61
  62 static inline unsigned int cpu_mask_to_apicid(cpumask_t cpumask)
  63 {
  64         return cpus_addr(cpumask)[0];
  65 }
  66
  67 static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
  68 {
  69         return cpuid_apic >> index_msb;
  70 }
  71
  72 static inline void setup_apic_routing(void)
  73 {
  74 #ifdef CONFIG_X86_IO_APIC
  75         printk("Enabling APIC mode:  %s.  Using %d I/O APICs\n",
  76                                         "Flat", nr_ioapics);
  77 #endif
  78 }
  79
  80 static inline int apicid_to_node(int logical_apicid)
  81 {
  82 #ifdef CONFIG_SMP
  83         return apicid_2_node[hard_smp_processor_id()];
  84 #else
  85         return 0;
  86 #endif
  87 }
  88 #endif
  89
  90 static inline unsigned long check_apicid_used(physid_mask_t bitmap, int apicid)
  91 {
  92         return physid_isset(apicid, bitmap);
  93 }
  94
  95 static inline unsigned long check_apicid_present(int bit)
  96 {
  97         return physid_isset(bit, phys_cpu_present_map);
  98 }
  99
 100 static inline physid_mask_t ioapic_phys_id_map(physid_mask_t phys_map)
 101 {
 102         return phys_map;
 103 }
 104
 105 static inline int multi_timer_check(int apic, int irq)
 106 {
 107         return 0;
 108 }
 109
 110 /* Mapping from cpu number to logical apicid */
 111 static inline int cpu_to_logical_apicid(int cpu)
 112 {
 113         return 1 << cpu;
 114 }
 115
 116 static inline int cpu_present_to_apicid(int mps_cpu)
 117 {
 118         if (mps_cpu < NR_CPUS && cpu_present(mps_cpu))
 119                 return (int)per_cpu(x86_bios_cpu_apicid, mps_cpu);
 120         else
 121                 return BAD_APICID;
 122 }
 123
 124 static inline physid_mask_t apicid_to_cpu_present(int phys_apicid)
 125 {
 126         return physid_mask_of_physid(phys_apicid);
 127 }
 128
 129 static inline void setup_portio_remap(void)
 130 {
 131 }
 132
 133 static inline int check_phys_apicid_present(int boot_cpu_physical_apicid)
 134 {
 135         return physid_isset(boot_cpu_physical_apicid, phys_cpu_present_map);
 136 }
 137
 138 static inline void enable_apic_mode(void)
 139 {
 140 }
 141
 142 #endif /* CONFIG_X86_LOCAL_APIC */
 143 #endif /* __ASM_MACH_APIC_H */