Apic.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
#ifndef KERNEL_MACHINE_X86_COMMON_APIC_H
#define KERNEL_MACHINE_X86_COMMON_APIC_H
#include <config.h>
 
#if MULTIPROCESSOR
 
#include "pedigree/kernel/compiler.h"
#include "pedigree/kernel/machine/IrqManager.h"
#include "pedigree/kernel/machine/types.h"
#include "pedigree/kernel/processor/types.h"
 
class Device;
class HardIrqHandler;
class IrqHandler;
class IrqHandlerBase;
 
class Apic : public IrqManager {
 public:
  inline Apic() {}
  inline virtual ~Apic() {}
 
  //
  // IrqManager interface
  //
  virtual irq_id_t registerIsaIrqHandler(uint8_t, IrqHandler* handler, const IrqPolicy& policy);
  virtual irq_id_t registerPciIrqHandler(IrqHandler* handler, Device* pDevice,
                                         const IrqPolicy& policy);
  virtual irq_id_t registerHardIsaIrqHandler(uint8_t, HardIrqHandler* handler,
                                             const IrqPolicy& policy);
  virtual irq_id_t registerHardPciIrqHandler(HardIrqHandler* handler, Device* pDevice,
                                             const IrqPolicy& policy);
  virtual bool unregisterHandler(irq_id_t Id, IrqHandlerBase* handler);
  virtual void enable(irq_id_t Id, bool bEnable);
 
  bool initialise() INITIALISATION_ONLY;
 
 private:
  Apic(const Apic&);
  Apic& operator=(const Apic&);
 
  static Apic m_Instance;
};
 
#endif
 
#endif