//
// Copyright (c) 2009 Advanced Micro Devices, Inc. All rights reserved.
//
#include "cl_common.hpp"
#include "cl_thread_trace_amd.h"
#include "platform/context.hpp"
#include "platform/command.hpp"
#include "platform/threadtrace.hpp"
#include <cstring>
#include <vector>
#include <memory>

/*! \addtogroup API
 *  @{
 *
 *  \addtogroup AMD_Extensions
 *  @{
 *
 */

/*! \brief Creates a new HW threadTrace
 *
 *  \param device must be a valid OpenCL device.
 *
 *  \param threadTrace the created cl_threadtrace_amd object
 *
 *  \param errcode_ret A non zero value if OpenCL failed to create cl_threadtrace_amd
 *  - CL_SUCCESS if the function is executed successfully.
 *  - CL_INVALID_DEVICE if the specified context is invalid.
 *  - CL_INVALID_OPERATION if we couldn't create the object
 *
 *  \return Created cl_threadtrace_amd object
 */
RUNTIME_ENTRY_RET(cl_threadtrace_amd, clCreateThreadTraceAMD,
                  (cl_device_id device, cl_int* errcode_ret)) {
  // Make sure we have a valid device object
  if (!is_valid(device)) {
    *not_null(errcode_ret) = CL_INVALID_DEVICE;
    return NULL;
  }

  // Create the device thread trace object
  amd::ThreadTrace* threadTrace = new amd::ThreadTrace(*as_amd(device));

  if (threadTrace == NULL) {
    *not_null(errcode_ret) = CL_INVALID_OPERATION;
    return NULL;
  }

  *not_null(errcode_ret) = CL_SUCCESS;
  return as_cl(threadTrace);
}
RUNTIME_EXIT

///*! \brief Destroy a threadTrace object.
// *
// *  \param threadTrace the cl_threadtrace_amd object for release
// *
// *  \return A non zero value if OpenCL failed to release cl_threadtrace_amd
// *  - CL_SUCCESS if the function is executed successfully.
// *  - CL_INVALID_OPERATION if we failed to release the object
// */
RUNTIME_ENTRY(cl_int, clReleaseThreadTraceAMD, (cl_threadtrace_amd threadTrace)) {
  if (!is_valid(threadTrace)) {
    return CL_INVALID_OPERATION;
  }
  as_amd(threadTrace)->release();
  return CL_SUCCESS;
}
RUNTIME_EXIT
//
// *! \brief Increments the cl_threadtrace_amd object reference count.
// *
// *  \param threadTrace the cl_threadtrace_amd object for retain
// *
// *  \return A non zero value if OpenCL failed to retain cl_threadtrace_amd
// *  - CL_SUCCESS if the function is executed successfully.
// *  - CL_INVALID_OPERATION if we failed to release the object
// */
RUNTIME_ENTRY(cl_int, clRetainThreadTraceAMD, (cl_threadtrace_amd threadTrace)) {
  if (!is_valid(threadTrace)) {
    return CL_INVALID_OPERATION;
  }
  as_amd(threadTrace)->retain();
  return CL_SUCCESS;
}
RUNTIME_EXIT

//
// *! \brief Sets the cl_threadtrace_amd object configuration parameter.
// *
// *  \param thread_trace the cl_threadtrace_amd object to set configuration parameter
// *
// *  \param config_param the cl_thread_trace_param
// *
// *  \param param_value corresponding to configParam
// *
// *  \return A non zero value if OpenCL failed to set threadTrace buffer parameter
// *  - CL_INVALID_VALUE if the thread_trace  is invalid thread trace object.
// *  - CL_INVALID_VALUE if the invalid config_param or param_value enum values , are used.
// *  - CL_INVALID_EVENT_WAIT_LIST if event_wait_list is NULL and num_events_in_wait_list > 0, or
// event_wait_list is not NULL and num_events_in_wait_list is 0,
// *  -                            or if event objects in event_wait_list are not valid events.
// *  - CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL
// implementation on the device.
// *  - CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the
//                           OpenCL implementation on the host.
// */
RUNTIME_ENTRY(cl_int, clSetThreadTraceParamAMD,
              (cl_threadtrace_amd thread_trace, cl_thread_trace_param config_param,
               cl_uint param_value)) {
  if (!is_valid(thread_trace)) {
    return CL_INVALID_OPERATION;
  }
  switch (config_param) {
    case CL_THREAD_TRACE_PARAM_TOKEN_MASK:
      if (param_value > CL_THREAD_TRACE_TOKEN_MASK_ALL_SI) {
        return CL_INVALID_VALUE;
      }
      as_amd(thread_trace)->setTokenMask(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_REG_MASK:
      if (param_value > CL_THREAD_TRACE_REG_MASK_ALL_SI) {
        return CL_INVALID_VALUE;
      }
      as_amd(thread_trace)->setRegMask(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_VM_ID_MASK:
      if (param_value > CL_THREAD_TRACE_VM_ID_MASK_SINGLE_DETAIL) {
        return CL_INVALID_VALUE;
      }
      as_amd(thread_trace)->setVmIdMask(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_INSTRUCTION_MASK:
      if (param_value > CL_THREAD_TRACE_INST_MASK_IMMEDIATE_CI) {
        return CL_INVALID_VALUE;
      }
      as_amd(thread_trace)->setInstMask(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_COMPUTE_UNIT_TARGET:
      as_amd(thread_trace)->setCU(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_SHADER_ARRAY_TARGET:
      as_amd(thread_trace)->setSH(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_SIMD_MASK:
      as_amd(thread_trace)->setSIMD(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_USER_DATA:
      as_amd(thread_trace)->setUserData(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_CAPTURE_MODE:
      if (param_value > CL_THREAD_TRACE_CAPTURE_SELECT_DETAIL) {
        return CL_INVALID_VALUE;
      }
      as_amd(thread_trace)->setCaptureMode(param_value);
      break;
    case CL_THREAD_TRACE_PARAM_IS_WRAPPED:
      as_amd(thread_trace)->setIsWrapped(true);
      break;
    case CL_THREAD_TRACE_PARAM_RANDOM_SEED:
      as_amd(thread_trace)->setRandomSeed(param_value);
      break;
  }
  return CL_SUCCESS;
}
RUNTIME_EXIT

/*! \brief Get specific information about the OpenCL Thread Trace.
 *
 *  \param threadTrace_info_param is an enum that identifies the Thread Trace information being
 *  queried.
 *
 *  \param param_value is a pointer to memory location where appropriate values
 *  for a given \a threadTrace_info_param will be returned. If \a param_value is NULL,
 *  it is ignored.
 *
 *  \param param_value_size specifies the size in bytes of memory pointed to by
 *  \a param_value. This size in bytes must be >= size of return type.
 *
 *  \param param_value_size_ret returns the actual size in bytes of data being
 *  queried by param_value. If \a param_value_size_ret is NULL, it is ignored.
 *
 *  \return One of the following values:
 *      CL_INVALID_OPERATION if cl_threadtrace_amd object is not valid
 *    - CL_INVALID_VALUE if \a param_name is not one of the supported
 *      values or if size in bytes specified by \a param_value_size is < size of
 *      return type and \a param_value is not a NULL value.
 *    - CL_SUCCESS if the function is executed successfully.
 *
 */
RUNTIME_ENTRY(cl_int, clGetThreadTraceInfoAMD,
              (cl_threadtrace_amd thread_trace /* threadTrace */,
               cl_threadtrace_info thread_trace_info_param, size_t param_value_size,
               void* param_value, size_t* param_value_size_ret)) {
  if (!is_valid(thread_trace)) {
    return CL_INVALID_OPERATION;
  }

  // Find the thread trace object, associated with the specified device
  const device::ThreadTrace* devThreadTrace = as_amd(thread_trace)->getDeviceThreadTrace();

  const size_t seNum = as_amd(thread_trace)->deviceSeNumThreadTrace();
  switch (thread_trace_info_param) {
    case CL_THREAD_TRACE_SE: {
      return amd::clGetInfo(seNum, param_value_size, param_value, param_value_size_ret);
    }
    case CL_THREAD_TRACE_BUFFERS_SIZE: {
      // Make sure we found a valid thread trace object
      if (devThreadTrace == NULL) {
        return CL_INVALID_OPERATION;
      }

      std::unique_ptr<uint> bufSize2Se(new uint[seNum]);

      if (bufSize2Se.get() == NULL) {
        return CL_OUT_OF_HOST_MEMORY;
      }

      if (!devThreadTrace->info(thread_trace_info_param, bufSize2Se.get(), seNum)) {
        return CL_INVALID_VALUE;
      }

      const size_t valueSize = seNum * sizeof(unsigned int);

      if (param_value != NULL && param_value_size < valueSize) {
        return CL_INVALID_VALUE;
      }

      *not_null(param_value_size_ret) = valueSize;

      if (param_value != NULL) {
        ::memcpy(param_value, bufSize2Se.get(), valueSize);
        if (param_value_size > valueSize) {
          ::memset(static_cast<address>(param_value) + valueSize, '\0',
                   param_value_size - valueSize);
        }
      }

      return CL_SUCCESS;
    }
  }

  return CL_SUCCESS;
}
RUNTIME_EXIT

/* \brief Enqueues the  command for the specified thread trace object.
 *
 *  \param command_queue must be a valid OpenCL command queue.
 *
 *  \param thread_trace specifies the cl_threadtrace_amd object.
 *
 *  \param event_wait_list specify [is a pointer to] events that need to
 *  complete before this particular command can be executed.
 *  If \a event_wait_list is NULL, then this particular command does not wait
 *  on any event to complete. If \a event_wait_list is NULL,
 *  \a num_events_in_wait_list must be 0. If \a event_wait_list is not NULL,
 *  the list of events pointed to by \a event_wait_list must be valid and
 *  \a num_events_in_wait_list must be greater than 0. The events specified in
 *  \a event_wait_list act as synchronization points.
 *
 *  \param num_events_in_wait_list specify the number of events in
 *  \a event_wait_list. It must be 0 if \a event_wait_list is NULL. It  must be
 *  greater than 0 if \a event_wait_list is not NULL.
 *
 *  \param event returns an event object that identifies this particular
 *  command and can be used to query or queue a wait for this particular
 *  command to complete. \a event can be NULL in which case it will not be
 *  possible for the application to query the status of this command or queue a
 *  wait for this command to complete.
 * \return A non zero value if OpenCL failed to release threadTrace
 *  - CL_INVALID_COMMAND_QUEUE if command_queue is not a valid command-queue.
 *  - CL_INVALID_CONTEXT if the context associated with command_queue and  events in event_wait_list
 * are not the same.
 *  - CL_INVALID_VALUE if the thread_trace is invalid thread trace object .
 *  - CL_INVALID_VALUE if the invalid command name enum value , not  described in the
 * cl_threadtrace_command_name_amd, is used.
 *  - CL_INVALID_OPERATION if the command enqueue failed. It can happen in the following cases:
 *          o BEGIN_COMMAND is queued for thread trace object for which memory object/s was/were not
 * bound..
 *          o END_COMMAND is queued for thread trace object, for which BEGIN_COMMAND was not queued.
 *          o PAUSE_COMMAND is queued for thread trace object, for which BEGIN_COMMAND was not
 * queued.
 *          o RESUME_COMMAND is queued for thread trace object, for which  PAUSE_COMMAND was not
 * queued.
 *  - CL_INVALID_EVENT_WAIT_LIST if event_wait_list is NULL and num_events_in_wait_list > 0, or
 * event_wait_list is not NULL and num_events_in_wait_list is 0, or if event objects in
 * event_wait_list are not valid events.
 *  - CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL
 * implementation on the device.
 *  - CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the OpenCL
 * implementation on the host.
 */

RUNTIME_ENTRY(cl_int, clEnqueueThreadTraceCommandAMD,
              (cl_command_queue command_queue, cl_threadtrace_amd thread_trace,
               cl_threadtrace_command_name_amd command_name, cl_uint num_events_in_wait_list,
               const cl_event* event_wait_list, cl_event* event)) {
  // Check if command queue is valid
  if (!is_valid(command_queue)) {
    return CL_INVALID_COMMAND_QUEUE;
  }

  // Check if thread trace is valid
  if (!is_valid(thread_trace)) {
    return CL_INVALID_OPERATION;
  }

  amd::ThreadTrace* amdThreadTrace = as_amd(thread_trace);
  amd::HostQueue* hostQueue = as_amd(command_queue)->asHostQueue();
  if (NULL == hostQueue) {
    return CL_INVALID_COMMAND_QUEUE;
  }

  // Check that device associated with the command queue is the same as with thread trace
  if (&hostQueue->device() != &amdThreadTrace->device()) {
    return CL_INVALID_DEVICE;
  }

  amd::Command::EventWaitList eventWaitList;
  cl_int err = amd::clSetEventWaitList(eventWaitList, *hostQueue, num_events_in_wait_list,
                                       event_wait_list);
  if (err != CL_SUCCESS) {
    return err;
  }

  // Create a new command for the threadTraces
  amd::ThreadTraceCommand* command = NULL;
  switch (command_name) {
    case CL_THREAD_TRACE_BEGIN_COMMAND:
      if ((amdThreadTrace->getState() != amd::ThreadTrace::MemoryBound) &&
          (amdThreadTrace->getState() != amd::ThreadTrace::End)) {
        return CL_INVALID_OPERATION;
      }
      amdThreadTrace->setState(amd::ThreadTrace::Begin);
      command = new amd::ThreadTraceCommand(
          *hostQueue, eventWaitList, static_cast<const void*>(&amdThreadTrace->threadTraceConfig()),
          *amdThreadTrace, amd::ThreadTraceCommand::Begin, CL_COMMAND_THREAD_TRACE);
      break;
    case CL_THREAD_TRACE_END_COMMAND:
      if ((amdThreadTrace->getState() != amd::ThreadTrace::Begin) &&
          (amdThreadTrace->getState() != amd::ThreadTrace::Pause)) {
        return CL_INVALID_OPERATION;
      }
      amdThreadTrace->setState(amd::ThreadTrace::End);
      command = new amd::ThreadTraceCommand(*hostQueue, eventWaitList,
                                            &amdThreadTrace->threadTraceConfig(), *amdThreadTrace,
                                            amd::ThreadTraceCommand::End, CL_COMMAND_THREAD_TRACE);
      break;
    case CL_THREAD_TRACE_PAUSE_COMMAND:
      if (amdThreadTrace->getState() != amd::ThreadTrace::Begin) {
        return CL_INVALID_OPERATION;
      }
      amdThreadTrace->setState(amd::ThreadTrace::Pause);
      command = new amd::ThreadTraceCommand(
          *hostQueue, eventWaitList, &amdThreadTrace->threadTraceConfig(), *amdThreadTrace,
          amd::ThreadTraceCommand::Pause, CL_COMMAND_THREAD_TRACE);
      break;
    case CL_THREAD_TRACE_RESUME_COMMAND:
      if (amdThreadTrace->getState() != amd::ThreadTrace::Pause) {
        return CL_INVALID_OPERATION;
      }
      amdThreadTrace->setState(amd::ThreadTrace::Begin);
      command = new amd::ThreadTraceCommand(
          *hostQueue, eventWaitList, &amdThreadTrace->threadTraceConfig(), *amdThreadTrace,
          amd::ThreadTraceCommand::Resume, CL_COMMAND_THREAD_TRACE);
      break;
  }

  if (command == NULL) {
    return CL_OUT_OF_HOST_MEMORY;
  }

  // Submit the command to the device
  command->enqueue();

  *not_null(event) = as_cl(&command->event());
  if (event == NULL) {
    command->release();
  }

  return CL_SUCCESS;
}
RUNTIME_EXIT

//
///*! \brief Enqueues the binding command to bind cl_threadtrace_amd to cl_mem object for trace
///recording..
// *
// *  \param command_queue must be a valid OpenCL command queue.
// *
// *  \param thread_trace specifies the cl_threadtrace_amd object.
// *
// *  \param mem_objects the cl_mem objects for trace recording
// *
// *  \param mem_objects_num the number of cl_mem objects in the mem_objects
// *
// *  \param buffer_size the size of each cl_mem object from mem_objects
// *
// *  \param event_wait_list specify [is a pointer to] events that need to
// *  complete before this particular command can be executed.
// *  If \a event_wait_list is NULL, then this particular command does not wait
// *  on any event to complete. If \a event_wait_list is NULL,
// *  \a num_events_in_wait_list must be 0. If \a event_wait_list is not NULL,
// *  the list of events pointed to by \a event_wait_list must be valid and
// *  \a num_events_in_wait_list must be greater than 0. The events specified in
// *  \a event_wait_list act as synchronization points.
// *
// *  \param num_events_in_wait_list specify the number of events in
// *  \a event_wait_list. It must be 0 if \a event_wait_list is NULL. It  must be
// *  greater than 0 if \a event_wait_list is not NULL.
// *
// *  \param event returns an event object that identifies this particular
// *  command and can be used to query or queue a wait for this particular
// *  command to complete. \a event can be NULL in which case it will not be
// *  possible for the application to query the status of this command or queue a
// *  wait for this command to complete.
// *  \return A non zero value if OpenCL failed to set threadTrace buffer parameter
// *  - CL_INVALID_COMMAND_QUEUE if command_queue is not a valid command-queue.
// *  - CL_INVALID_CONTEXT if the context associated with command_queue and  events in
// event_wait_list are not the same.
// *  - CL_INVALID_VALUE if the thread_trace  is invalid thread trace object.
// *  - CL_INVALID_VALUE if the buffer_size is negative or zero.
// *  - CL_INVALID_VALUE if the  sub_buffers_num I less than 1.
// *  - CL_INVALID_OPERATION if the mem_objects_num is not equal to the number of Shader Engines of
// the [GPU] device.
// *  - CL_INVALID_MEM_OBJECT if one on memory objects in the mem_objects array is not a valid
// memory object or memory_objects is NULL.
// *  - CL_MEM_OBJECT_ALLOCATION_FAILURE if there is a failure to allocate memory for the data store
// associated from the memory objects of the mem_objects array.
// *  - CL_INVALID_EVENT_WAIT_LIST if event_wait_list is NULL and num_events_in_wait_list > 0, or
// event_wait_list is not NULL and num_events_in_wait_list is 0, or if event objects in
// event_wait_list are not valid events.
// *  - CL_OUT_OF_RESOURCES if there is a failure to allocate resources required by the OpenCL
// implementation on the device.
// *  - CL_OUT_OF_HOST_MEMORY if there is a failure to allocate resources required by the
// *     OpenCL implementation on the host.
// */
RUNTIME_ENTRY(cl_int, clEnqueueBindThreadTraceBufferAMD,
              (cl_command_queue command_queue, cl_threadtrace_amd thread_trace, cl_mem* mem_objects,
               cl_uint mem_objects_num, cl_uint buffer_size, cl_uint num_events_in_wait_list,
               const cl_event* event_wait_list, cl_event* event)) {
  // Check if command queue is valid
  if (!is_valid(command_queue)) {
    return CL_INVALID_COMMAND_QUEUE;
  }

  // Check if thread trace is valid
  if (!is_valid(thread_trace)) {
    return CL_INVALID_OPERATION;
  }

  // Check if input values are valid
  if ((mem_objects == NULL) || (buffer_size <= 0)) {
    return CL_INVALID_VALUE;
  }

  amd::ThreadTrace* amdThreadTrace = as_amd(thread_trace);

  // Check if the number of bound memory objects is the same as the number of SEs
  if (amdThreadTrace->deviceSeNumThreadTrace() != mem_objects_num) {
    return CL_INVALID_OPERATION;
  }
  // Check if memory objects ,bound the thread trace,are valid
  for (size_t i = 0; i < mem_objects_num; ++i) {
    cl_mem obj = mem_objects[i];
    if (!is_valid(obj)) {
      return CL_INVALID_MEM_OBJECT;
    }
  }

  amd::HostQueue* hostQueue = as_amd(command_queue)->asHostQueue();
  if (NULL == hostQueue) {
    return CL_INVALID_COMMAND_QUEUE;
  }

  // Check that device associated with the command queue is the same as with thread trace
  if (&hostQueue->device() != &amdThreadTrace->device()) {
    return CL_INVALID_DEVICE;
  }

  amd::Command::EventWaitList eventWaitList;
  cl_int err = amd::clSetEventWaitList(eventWaitList, *hostQueue, num_events_in_wait_list,
                                       event_wait_list);
  if (err != CL_SUCCESS) {
    return err;
  }

  amdThreadTrace->setState(amd::ThreadTrace::MemoryBound);
  // Create a new ThreadTraceMemObjectsCommand command
  amd::ThreadTraceMemObjectsCommand* command = new amd::ThreadTraceMemObjectsCommand(
      *hostQueue, eventWaitList, mem_objects_num, mem_objects, buffer_size, *amdThreadTrace,
      CL_COMMAND_THREAD_TRACE_MEM);
  if (command == NULL) {
    return CL_OUT_OF_HOST_MEMORY;
  }

  // Make sure we have memory for the command execution
  if (!command->validateMemory()) {
    delete command;
    return CL_OUT_OF_RESOURCES;
  }
  // Submit the command to the device
  command->enqueue();

  *not_null(event) = as_cl(&command->event());
  if (event == NULL) {
    command->release();
  }
  return CL_SUCCESS;
}
RUNTIME_EXIT

/*! @}
 *  @}
 */