/** @file
  * Common declarations for the Dp Performance Reporting Utility.
  *
  * Copyright (c) 2009-2010, Intel Corporation. All rights reserved.<BR>
  * This program and the accompanying materials
  * are licensed and made available under the terms and conditions of the BSD License
  * which accompanies this distribution.  The full text of the license may be found at
  * http://opensource.org/licenses/bsd-license.php
  *
  * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/

#ifndef _EFI_APP_DP_H_
#define _EFI_APP_DP_H_

#define DP_MAJOR_VERSION        2
#define DP_MINOR_VERSION        3

/**
  * The value assigned to DP_DEBUG controls which debug output
  * is generated.  Set it to ZERO to disable.
**/
#define DP_DEBUG                0

/**
  * Set to 1 once Profiling has been implemented in order to enable
  * profiling related options and report output.
**/
#define PROFILING_IMPLEMENTED   0

#define DEFAULT_THRESHOLD       1000    ///< One millisecond.
#define DEFAULT_DISPLAYCOUNT    50
#define MAXIMUM_DISPLAYCOUNT    999999  ///< Arbitrary maximum reasonable number.

#define PERF_MAXDUR             0xFFFFFFFFFFFFFFFFULL

/// Determine whether  0 <= C < L.  If L == 0, return true regardless of C.
#define WITHIN_LIMIT( C, L)   ( ((L) == 0) || ((C) < (L)) )

/// Structure for storing Timer specific information.
typedef struct {
  UINT64    StartCount;   ///< Value timer is initialized with.
  UINT64    EndCount;     ///< Value timer has just before it wraps.
  UINT32    Frequency;    ///< Timer count frequency in KHz.
  BOOLEAN   CountUp;      ///< TRUE if the counter counts up.
} TIMER_INFO;

/** Initialize one PERF_CUM_DATA structure instance for token t.
  *
  * This parameterized macro takes a single argument, t, which is expected
  * to resolve to a pointer to an ASCII string literal.  This parameter may
  * take any one of the following forms:
  *   - PERF_INIT_CUM_DATA("Token")         A string literal
  *   - PERF_INIT_CUM_DATA(pointer)         A pointer -- CHAR8 *pointer;
  *   - PERF_INIT_CUM_DATA(array)           Address of an array -- CHAR8 array[N];
**/
#define PERF_INIT_CUM_DATA(t)   { 0ULL, PERF_MAXDUR, 0ULL, (t), 0U }

typedef struct {
  UINT64  Duration;     ///< Cumulative duration for this item.
  UINT64  MinDur;       ///< Smallest duration encountered.
  UINT64  MaxDur;       ///< Largest duration encountered.
  CHAR8   *Name;        ///< ASCII name of this item.
  UINT32  Count;        ///< Total number of measurements accumulated.
} PERF_CUM_DATA;

typedef struct {
  UINT32                NumTrace;         ///< Number of recorded TRACE performance measurements.
  UINT32                NumProfile;       ///< Number of recorded PROFILE performance measurements.
  UINT32                NumIncomplete;    ///< Number of measurements with no END value.
  UINT32                NumSummary;       ///< Number of summary section measurements.
  UINT32                NumHandles;       ///< Number of measurements with handles.
  UINT32                NumPEIMs;         ///< Number of measurements of PEIMs.
  UINT32                NumGlobal;        ///< Number of measurements with END value and NULL handle.
} PERF_SUMMARY_DATA;

typedef struct {
  VOID                  *Handle;
  CHAR8                 *Token;           ///< Measured token string name.
  CHAR8                 *Module;          ///< Module string name.
  UINT64                StartTimeStamp;   ///< Start time point.
  UINT64                EndTimeStamp;     ///< End time point.
} MEASUREMENT_RECORD;

typedef struct {
  CHAR8                 *Name;            ///< Measured token string name.
  UINT64                CumulativeTime;   ///< Accumulated Elapsed Time.
  UINT64                MinTime;          ///< Minimum Elapsed Time.
  UINT64                MaxTime;          ///< Maximum Elapsed Time.
  UINT32                Count;            ///< Number of measurements accumulated.
} PROFILE_RECORD;

#endif  // _EFI_APP_DP_H_