arch/all-pc/kernel/kernel_ipi.h

   1 /*
   2     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #ifndef __KERNEL_IPI_H_
   7 #define __KERNEL_IPI_H_
   8
   9 #include <aros/types/spinlock_s.h>
  10 #include <utility/hooks.h>
  11 #include "kernel_base.h"
  12 #include "apic_ia32.h"
  13
  14 /*
  15     Private KERNEL IPI messages
  16 */
  17 #define IPI_NOP         (APIC_EXCEPT_IPI_NOP - X86_CPU_EXCEPT_COUNT)
  18 #define IPI_STOP        (APIC_EXCEPT_IPI_STOP - X86_CPU_EXCEPT_COUNT)
  19 #define IPI_RESUME      (APIC_EXCEPT_IPI_RESUME - X86_CPU_EXCEPT_COUNT)
  20 #define IPI_RESCHEDULE  (APIC_EXCEPT_IPI_RESCHEDULE - X86_CPU_EXCEPT_COUNT)
  21 #define IPI_CALL_HOOK   (APIC_EXCEPT_IPI_CALL_HOOK - X86_CPU_EXCEPT_COUNT)
  22 #define IPI_CAUSE       (APIC_EXCEPT_IPI_CAUSE - X86_CPU_EXCEPT_COUNT)
  23
  24 int core_IPIHandle(struct ExceptionContext *regs, void *data1, struct KernelBase *KernelBase);
  25 void core_DoIPI(uint8_t ipi_number, void *cpu_mask, struct KernelBase *KernelBase);
  26 int core_DoCallIPI(struct Hook *hook, void *cpu_mask, int async, int nargs, IPTR *args, APTR _KB);
  27
  28 #define IPI_CALL_HOOK_MAX_ARGS  5
  29
  30 /*
  31     IPI Call hook
  32 */
  33 struct IPIHook
  34 {
  35     struct Hook     ih_Hook;
  36     IPTR            ih_Args[IPI_CALL_HOOK_MAX_ARGS];
  37     uint32_t *      ih_CPUDone;
  38     uint32_t *      ih_CPURequested;
  39     int             ih_Async;
  40     spinlock_t      ih_Lock;
  41     spinlock_t      ih_SyncLock;
  42 };
  43
  44 #endif /* __KERNEL_IPI_H_ */