include/asm-mips64/smp.h

   1 #ifndef __ASM_SMP_H
   2 #define __ASM_SMP_H
   3
   4 #include <linux/config.h>
   5
   6 #ifdef CONFIG_SMP
   7
   8 #include <linux/threads.h>
   9 #include <linux/irq.h>
  10
  11 #if 0
  12 struct cpuinfo_mips {                           /* XXX  */
  13         unsigned long loops_per_sec;
  14         unsigned long last_asn;
  15         unsigned long *pgd_cache;
  16         unsigned long *pte_cache;
  17         unsigned long pgtable_cache_sz;
  18         unsigned long ipi_count;
  19         unsigned long irq_attempt[NR_IRQS];
  20         unsigned long smp_local_irq_count;
  21         unsigned long prof_multiplier;
  22         unsigned long prof_counter;
  23 } __attribute__((aligned(64)));
  24
  25 extern struct cpuinfo_mips cpu_data[NR_CPUS];
  26 #endif
  27
  28 #define smp_processor_id()      (current->processor)
  29
  30 #define PROC_CHANGE_PENALTY     20
  31
  32 /* Map from cpu id to sequential logical cpu number.  This will only
  33    not be idempotent when cpus failed to come on-line.  */
  34 extern int __cpu_number_map[NR_CPUS];
  35 #define cpu_number_map(cpu)  __cpu_number_map[cpu]
  36
  37 /* The reverse map from sequential logical cpu number to cpu id.  */
  38 extern int __cpu_logical_map[NR_CPUS];
  39 #define cpu_logical_map(cpu)  __cpu_logical_map[cpu]
  40
  41 /* Good enough for toy^Wupto 64 CPU Origins.  */
  42 extern unsigned long cpu_present_mask;
  43
  44 #endif
  45
  46 #define NO_PROC_ID      (-1)
  47
  48 #endif __ASM_SMP_H