xref: /hardware/qcom/display/msm8996/sdm/include/core/dump_interface.h

/*
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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* provided that the following conditions are met:
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/*! @file dump_interface.h
  @brief Interface file for dump options provided by display manager.

*/
#ifndef __DUMP_INTERFACE_H__
#define __DUMP_INTERFACE_H__

#include <stdint.h>

#include "sdm_types.h"

namespace sdm {

/*! @brief Display dump interface.

  @details This class defines dump methods provided by display manager.

*/
class DumpInterface {
 public:
  /*! @brief Method to get dump information in form of a string.

    @details Client shall use this method to get current snapshot of display manager context as a
    formatted string for logging or dumping purposes.

    @param[inout] buffer String buffer allocated by the client. Filled with null terminated dump
    information upon return.
    @param[in] length Length of the string buffer. Length shall be offset adjusted if any.

    @return \link DisplayError \endlink

    @warning Client shall ensure that this interface is not used while a display is being either
    created or destroyed through display core.
  */
  static DisplayError GetDump(char *buffer, uint32_t length);

 protected:
  virtual ~DumpInterface() { }
};

}  // namespace sdm

#endif  // __DUMP_INTERFACE_H__