composer/ipc_impl.h

/*
 *Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
 *
 *Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
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 *      contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
 *
 *THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 *ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 *BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 *OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 *IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __IPC_IMPL_H__
#define __IPC_IMPL_H__

#include <core/ipc_interface.h>
#include <vendor/qti/hardware/display/demura/2.0/IDemuraFileFinder.h>

#include <thread>

#include "qrtr_client_interface.h"
#include "vm_interface.h"
#include "utils/sys.h"
#include "membuf_wrapper.h"

namespace sdm {

using ::android::sp;
using ::vendor::qti::hardware::display::demura::V2_0::IDemuraFileFinder;

#define MEMBUF_CLIENT_LIB_NAME "libmemutils.so"

#define CREATE_MEMBUF_INTERFACE_NAME "CreateMemBufInterface"
#define DESTROY_MEMBUF_INTERFACE_NAME "DestroyMemBufInterface"

typedef int (*GetMemBufInterface)(MemBuf **mem_buf_hnd);
typedef int (*PutMemBufInterface)();

class IPCImpl: public IPCIntf, QRTRCallbackInterface {
 public:
  virtual ~IPCImpl() {};
  int Init();
  int Deinit();
  int SetParameter(IPCParams param, const GenericPayload &in);
  int GetParameter(IPCParams param, GenericPayload *out);
  int ProcessOps(IPCOps op, const GenericPayload &in, GenericPayload *out);
  void OnServerReady();
  void OnServerExit();
  int OnResponse(void *rsp_buf, size_t rsp_size);
  static void SpawnOnServerReady(int client_id);

 private:
  int ProcessExportBuffers(const GenericPayload &in, GenericPayload *out);
  static DynLib qrtr_client_lib_;
  static CreateQrtrClientIntf create_qrtr_client_intf_;
  static DestroyQrtrClientIntf destroy_qrtr_client_intf_;
  static QRTRClientInterface *qrtr_client_intf_;
  bool init_done_ = false;
  static std::mutex vm_lock_;
  static int client_id_;
  static bool server_ready_;
  static std::map<int, IPCVmCallbackIntf*> callbacks_;
  static MemBuf *mem_buf_;
  static DynLib mem_buf_client_lib_;
  static GetMemBufInterface GetMemBuf;
  static PutMemBufInterface PutMembuf;
};
}  // namespace sdm

#endif