/*
 *  Copyright 2008-2013 NVIDIA Corporation
 *  Modifications Copyright© 2019-2025 Advanced Micro Devices, Inc. All rights reserved.
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/*! \file thrust/system/hip/error.h
 *  \brief HIP-specific error reporting
 */

#pragma once

#include <thrust/detail/config.h>

#include <thrust/detail/type_traits.h>
#include <thrust/system/error_code.h>
#include <thrust/system/hip/detail/guarded_driver_types.h>

THRUST_NAMESPACE_BEGIN

namespace system
{

namespace hip_rocprim
{

/*! \addtogroup system
 *  \{
 */

// To construct an error_code after a HIP Runtime error:
//
//   error_code(::hipGetLastError(), hip_category())

// XXX N3000 prefers enum class errc { ... }
namespace errc
{

/*! \p errc_t enumerates the kinds of HIP Runtime errors.
 */
enum errc_t
{
  // from hip/include/driver_types.h
  // mirror their order
  success                           = hipSuccess,
  missing_configuration             = hipErrorMissingConfiguration,
  memory_allocation                 = hipErrorMemoryAllocation,
  initialization_error              = hipErrorInitializationError,
  launch_failure                    = hipErrorLaunchFailure,
  launch_timeout                    = hipErrorLaunchTimeOut,
  launch_out_of_resources           = hipErrorLaunchOutOfResources,
  invalid_device_function           = hipErrorInvalidDeviceFunction,
  invalid_configuration             = hipErrorInvalidConfiguration,
  invalid_device                    = hipErrorInvalidDevice,
  invalid_value                     = hipErrorInvalidValue,
  invalid_pitch_value               = hipErrorTbd,
  invalid_symbol                    = hipErrorInvalidSymbol,
  map_buffer_object_failed          = hipErrorMapBufferObjectFailed,
  unmap_buffer_object_failed        = hipErrorTbd,
  invalid_texture                   = hipErrorTbd,
  invalid_texture_binding           = hipErrorTbd,
  invalid_channel_descriptor        = hipErrorTbd,
  invalid_memcpy_direction          = hipErrorInvalidMemcpyDirection,
  invalid_filter_setting            = hipErrorTbd,
  invalid_norm_setting              = hipErrorTbd,
  cuda_runtime_unloading            = hipErrorTbd,
  unknown                           = hipErrorUnknown,
  invalid_resource_handle           = hipErrorInvalidResourceHandle,
  not_ready                         = hipErrorNotReady,
  insufficient_driver               = hipErrorTbd,
  set_on_active_process_error       = hipErrorSetOnActiveProcess,
  no_device                         = hipErrorNoDevice,
  ecc_uncorrectable                 = hipErrorTbd,
  shared_object_symbol_not_found    = hipErrorSharedObjectSymbolNotFound,
  shared_object_init_failed         = hipErrorSharedObjectInitFailed,
  unsupported_limit                 = hipErrorUnsupportedLimit,
  duplicate_variable_name           = hipErrorTbd,
  duplicate_texture_name            = hipErrorTbd,
  duplicate_surface_name            = hipErrorTbd,
  devices_unavailable               = hipErrorTbd,
  invalid_kernel_image              = hipErrorTbd,
  no_kernel_image_for_device        = hipErrorTbd,
  incompatible_driver_context       = hipErrorTbd,
  peer_access_already_enabled       = hipErrorPeerAccessAlreadyEnabled,
  peer_access_not_enabled           = hipErrorPeerAccessNotEnabled,
  device_already_in_use             = hipErrorTbd,
  profiler_disabled                 = hipErrorTbd,
  assert_triggered                  = hipErrorTbd,
  too_many_peers                    = hipErrorTbd,
  host_memory_already_registered    = hipErrorHostMemoryAlreadyRegistered,
  host_memory_not_registered        = hipErrorHostMemoryNotRegistered,
  operating_system_error            = hipErrorTbd,
  peer_access_unsupported           = hipErrorTbd,
  launch_max_depth_exceeded         = hipErrorTbd,
  launch_file_scoped_texture_used   = hipErrorTbd,
  launch_file_scoped_surface_used   = hipErrorTbd,
  sync_depth_exceeded               = hipErrorTbd,
  attempted_operation_not_permitted = hipErrorTbd,
  attempted_operation_not_supported = hipErrorTbd,
  startup_failure                   = hipErrorTbd
}; // end errc_t

} // end namespace errc

} // end namespace hip_rocprim

/*! \return A reference to an object of a type derived from class \p thrust::error_category.
 *  \note The object's \p equivalent virtual functions shall behave as specified
 *        for the class \p thrust::error_category. The object's \p name virtual function shall
 *        return a pointer to the string <tt>"hip"</tt>. The object's
 *        \p default_error_condition virtual function shall behave as follows:
 *
 *        If the argument <tt>ev</tt> corresponds to a HIP error value, the function
 *        shall return <tt>error_condition(ev,hip_category())</tt>.
 *        Otherwise, the function shall return <tt>system_category.default_error_condition(ev)</tt>.
 */
inline const error_category& hip_category(void);

// XXX N3000 prefers is_error_code_enum<hip::errc>

/*! Specialization of \p is_error_code_enum for \p hip::errc::errc_t
 */
template <>
struct is_error_code_enum<hip_rocprim::errc::errc_t> : thrust::detail::true_type
{};

/*! \return <tt>error_code(static_cast<int>(e), hip::error_category())</tt>
 */
inline error_code make_error_code(hip_rocprim::errc::errc_t e);

/*! \return <tt>error_condition(static_cast<int>(e), hip::error_category())</tt>.
 */
inline error_condition make_error_condition(hip_rocprim::errc::errc_t e);

/*! \} // end system
 */

} // namespace system

namespace system
{
namespace hip
{
namespace errc
{
using system::hip_rocprim::errc::errc_t;
} // namespace errc
} // namespace hip
} // namespace system

namespace hip
{
// XXX replace with using system::hip_errc upon c++0x
namespace errc = system::hip::errc;
} // namespace hip

using system::hip_category;

THRUST_NAMESPACE_END

#include <thrust/system/hip/detail/error.inl>