sys/platform/vkernel64/include/smp.h

   1 /*
   2  * ----------------------------------------------------------------------------
   3  * "THE BEER-WARE LICENSE" (Revision 42):
   4  * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
   5  * can do whatever you want with this stuff. If we meet some day, and you think
   6  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
   7  * ----------------------------------------------------------------------------
   8  *
   9  * $FreeBSD: src/sys/i386/include/smp.h,v 1.50.2.5 2001/02/13 22:32:45 tegge Exp $
  10  */
  11
  12 #ifndef _MACHINE_SMP_H_
  13 #define _MACHINE_SMP_H_
  14
  15 #ifdef _KERNEL
  16
  17 #ifndef LOCORE
  18
  19 /* global data in apic_vector.s */
  20 extern volatile cpumask_t       stopped_cpus;
  21 extern int                      optcpus;        /* from main() */
  22 extern int                      vkernel_b_arg;  /* arg from main() */
  23 extern int                      vkernel_B_arg;  /* arg from main() */
  24
  25 void    mp_start                (void);
  26 void    mp_announce             (void);
  27 int     stop_cpus               (cpumask_t);
  28 void    ap_init                 (void);
  29 int     restart_cpus            (cpumask_t);
  30 void    cpu_send_ipiq           (int);
  31 int     cpu_send_ipiq_passive   (int);
  32
  33 /* global data in init_smp.c */
  34 extern cpumask_t                smp_active_mask;
  35
  36 /* Detect CPU topology bits */
  37 void detect_cpu_topology(void);
  38
  39 /* Interface functions for IDs calculation */
  40 int get_chip_ID(int cpuid);
  41 int get_chip_ID_from_APICID(int apicid);
  42 int get_core_number_within_chip(int cpuid);
  43 int get_logical_CPU_number_within_core(int cpuid);
  44
  45 /* Assume that APICID = CPUID for virtual processors */
  46 #define get_cpuid_from_apicid(apicid) apicid
  47 #define get_apicid_from_cpuid(cpuid) cpuid
  48
  49 #endif /* !LOCORE */
  50
  51 #endif /* _KERNEL */
  52 #endif /* _MACHINE_SMP_H_ */