/*
   Copyright (c) 2023 Advanced Micro Devices, Inc. All rights reserved.

   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to deal
   in the Software without restriction, including without limitation the rights
   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:

   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   THE SOFTWARE.
*/

#pragma once

#include <cstdint>

/**
 * ######## ROCR Definitions ########
 * Some data types have been modified for better type safety.
 */

enum packet_header_t
{
    AMD_GENERIC_SAMPLE        = 0,
    AMD_DOORBELL_TO_QUEUE_MAP = 3,
    AMD_DISPATCH_PKT_WRAP,
    AMD_UPCOMING_SAMPLES,
    AMD_DISPATCH_PKT_ID,
};

enum upcoming_sample_t
{
    AMD_HOST_TRAP_V1 = 1,
    AMD_SNAPSHOT_V1  = 2
};

typedef uint32_t sample_enum;
typedef struct
{
    uint32_t handle;
} device_handle;
typedef uint32_t upcoming_sample_enum;
typedef struct
{
    uint32_t _;
} reserved_type;

typedef struct
{
    sample_enum   type;
    reserved_type _[15];
} generic_sample_t;

typedef struct
{
    sample_enum   type;
    device_handle device;
    uint32_t      doorbell_id;
    uint64_t      queue_size;
    uint64_t      write_index;
    uint64_t      read_index;
    uint64_t      correlation_id;
    reserved_type _[4];
} dispatch_pkt_id_t;

typedef struct
{
    sample_enum          type;
    device_handle        device;
    upcoming_sample_enum which_sample_type;
    reserved_type        reserved0;
    uint64_t             num_samples;
    reserved_type        _[10];
} upcoming_samples_t;

typedef struct
{
    uint64_t      pc;
    uint64_t      exec_mask;
    uint32_t      workgroud_id_x;
    uint32_t      workgroud_id_y;
    uint32_t      workgroud_id_z;
    uint32_t      chiplet_and_wave_id;
    uint32_t      hw_id;
    reserved_type reserved[3];
    uint64_t      timestamp;
    uint64_t      correlation_id;
} perf_sample_host_trap_v1;

typedef struct
{
    uint64_t pc;
    uint64_t exec_mask;
    uint32_t workgroud_id_x;
    uint32_t workgroud_id_y;
    uint32_t workgroud_id_z;
    uint32_t chiplet_and_wave_id;
    uint32_t hw_id;
    uint32_t perf_snapshot_data;
    uint32_t perf_snapshot_data1;
    uint32_t perf_snapshot_data2;
    uint64_t timestamp;
    uint64_t correlation_id;
} perf_sample_snapshot_v1;

typedef union
{
    generic_sample_t         generic;
    perf_sample_snapshot_v1  snap;
    perf_sample_host_trap_v1 host;
    upcoming_samples_t       upcoming;
    dispatch_pkt_id_t        dispatch_id;
} packet_union_t;