--- /dev/null
+////////////////////////////////////////////////////////////////////////////////
+//
+// The University of Illinois/NCSA
+// Open Source License (NCSA)
+//
+// Copyright (c) 2014-2015, Advanced Micro Devices, Inc. All rights reserved.
+//
+// Developed by:
+//
+// AMD Research and AMD HSA Software Development
+//
+// Advanced Micro Devices, Inc.
+//
+// www.amd.com
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal with 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:
+//
+// - Redistributions of source code must retain the above copyright notice,
+// this list of conditions and the following disclaimers.
+// - Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimers in
+// the documentation and/or other materials provided with the distribution.
+// - Neither the names of Advanced Micro Devices, Inc,
+// nor the names of its contributors may be used to endorse or promote
+// products derived from this Software without specific prior written
+// permission.
+//
+// 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 CONTRIBUTORS 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 WITH THE SOFTWARE.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef HSA_RUNTIME_INC_HSA_H_
+#define HSA_RUNTIME_INC_HSA_H_
+
+#include <stddef.h> /* size_t */
+#include <stdint.h> /* uintXX_t */
+
+#ifndef __cplusplus
+#include <stdbool.h> /* bool */
+#endif /* __cplusplus */
+
+// Placeholder for calling convention and import/export macros
+#ifndef HSA_CALL
+#define HSA_CALL
+#endif
+
+#ifndef HSA_EXPORT_DECORATOR
+#ifdef __GNUC__
+#define HSA_EXPORT_DECORATOR __attribute__ ((visibility ("default")))
+#else
+#define HSA_EXPORT_DECORATOR
+#endif
+#endif
+#define HSA_API_EXPORT HSA_EXPORT_DECORATOR HSA_CALL
+#define HSA_API_IMPORT HSA_CALL
+
+#if !defined(HSA_API) && defined(HSA_EXPORT)
+#define HSA_API HSA_API_EXPORT
+#else
+#define HSA_API HSA_API_IMPORT
+#endif
+
+// Detect and set large model builds.
+#undef HSA_LARGE_MODEL
+#if defined(__LP64__) || defined(_M_X64)
+#define HSA_LARGE_MODEL
+#endif
+
+// Try to detect CPU endianness
+#if !defined(LITTLEENDIAN_CPU) && !defined(BIGENDIAN_CPU)
+#if defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || \
+ defined(_M_X64)
+#define LITTLEENDIAN_CPU
+#endif
+#endif
+
+#undef HSA_LITTLE_ENDIAN
+#if defined(LITTLEENDIAN_CPU)
+#define HSA_LITTLE_ENDIAN
+#elif defined(BIGENDIAN_CPU)
+#else
+#error "BIGENDIAN_CPU or LITTLEENDIAN_CPU must be defined"
+#endif
+
+#ifndef HSA_DEPRECATED
+#define HSA_DEPRECATED
+//#ifdef __GNUC__
+//#define HSA_DEPRECATED __attribute__((deprecated))
+//#else
+//#define HSA_DEPRECATED __declspec(deprecated)
+//#endif
+#endif
+
+#define HSA_VERSION_1_0 1
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/** \defgroup status Runtime Notifications
+ * @{
+ */
+
+/**
+ * @brief Status codes.
+ */
+typedef enum {
+ /**
+ * The function has been executed successfully.
+ */
+ HSA_STATUS_SUCCESS = 0x0,
+ /**
+ * A traversal over a list of elements has been interrupted by the
+ * application before completing.
+ */
+ HSA_STATUS_INFO_BREAK = 0x1,
+ /**
+ * A generic error has occurred.
+ */
+ HSA_STATUS_ERROR = 0x1000,
+ /**
+ * One of the actual arguments does not meet a precondition stated in the
+ * documentation of the corresponding formal argument.
+ */
+ HSA_STATUS_ERROR_INVALID_ARGUMENT = 0x1001,
+ /**
+ * The requested queue creation is not valid.
+ */
+ HSA_STATUS_ERROR_INVALID_QUEUE_CREATION = 0x1002,
+ /**
+ * The requested allocation is not valid.
+ */
+ HSA_STATUS_ERROR_INVALID_ALLOCATION = 0x1003,
+ /**
+ * The agent is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_AGENT = 0x1004,
+ /**
+ * The memory region is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_REGION = 0x1005,
+ /**
+ * The signal is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_SIGNAL = 0x1006,
+ /**
+ * The queue is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_QUEUE = 0x1007,
+ /**
+ * The HSA runtime failed to allocate the necessary resources. This error
+ * may also occur when the HSA runtime needs to spawn threads or create
+ * internal OS-specific events.
+ */
+ HSA_STATUS_ERROR_OUT_OF_RESOURCES = 0x1008,
+ /**
+ * The AQL packet is malformed.
+ */
+ HSA_STATUS_ERROR_INVALID_PACKET_FORMAT = 0x1009,
+ /**
+ * An error has been detected while releasing a resource.
+ */
+ HSA_STATUS_ERROR_RESOURCE_FREE = 0x100A,
+ /**
+ * An API other than ::hsa_init has been invoked while the reference count
+ * of the HSA runtime is 0.
+ */
+ HSA_STATUS_ERROR_NOT_INITIALIZED = 0x100B,
+ /**
+ * The maximum reference count for the object has been reached.
+ */
+ HSA_STATUS_ERROR_REFCOUNT_OVERFLOW = 0x100C,
+ /**
+ * The arguments passed to a functions are not compatible.
+ */
+ HSA_STATUS_ERROR_INCOMPATIBLE_ARGUMENTS = 0x100D,
+ /**
+ * The index is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_INDEX = 0x100E,
+ /**
+ * The instruction set architecture is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_ISA = 0x100F,
+ /**
+ * The instruction set architecture name is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_ISA_NAME = 0x1017,
+ /**
+ * The code object is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_CODE_OBJECT = 0x1010,
+ /**
+ * The executable is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_EXECUTABLE = 0x1011,
+ /**
+ * The executable is frozen.
+ */
+ HSA_STATUS_ERROR_FROZEN_EXECUTABLE = 0x1012,
+ /**
+ * There is no symbol with the given name.
+ */
+ HSA_STATUS_ERROR_INVALID_SYMBOL_NAME = 0x1013,
+ /**
+ * The variable is already defined.
+ */
+ HSA_STATUS_ERROR_VARIABLE_ALREADY_DEFINED = 0x1014,
+ /**
+ * The variable is undefined.
+ */
+ HSA_STATUS_ERROR_VARIABLE_UNDEFINED = 0x1015,
+ /**
+ * An HSAIL operation resulted in a hardware exception.
+ */
+ HSA_STATUS_ERROR_EXCEPTION = 0x1016,
+ /**
+ * The code object symbol is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_CODE_SYMBOL = 0x1018,
+ /**
+ * The executable symbol is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_EXECUTABLE_SYMBOL = 0x1019,
+ /**
+ * The file descriptor is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_FILE = 0x1020,
+ /**
+ * The code object reader is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_CODE_OBJECT_READER = 0x1021,
+ /**
+ * The cache is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_CACHE = 0x1022,
+ /**
+ * The wavefront is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_WAVEFRONT = 0x1023,
+ /**
+ * The signal group is invalid.
+ */
+ HSA_STATUS_ERROR_INVALID_SIGNAL_GROUP = 0x1024,
+ /**
+ * The HSA runtime is not in the configuration state.
+ */
+ HSA_STATUS_ERROR_INVALID_RUNTIME_STATE = 0x1025
+
+} hsa_status_t;
+
+/**
+ * @brief Query additional information about a status code.
+ *
+ * @param[in] status Status code.
+ *
+ * @param[out] status_string A NUL-terminated string that describes the error
+ * status.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p status is an invalid
+ * status code, or @p status_string is NULL.
+ */
+hsa_status_t HSA_API hsa_status_string(
+ hsa_status_t status,
+ const char ** status_string);
+
+/** @} */
+
+/** \defgroup common Common Definitions
+ * @{
+ */
+
+/**
+ * @brief Three-dimensional coordinate.
+ */
+typedef struct hsa_dim3_s {
+ /**
+ * X dimension.
+ */
+ uint32_t x;
+
+ /**
+ * Y dimension.
+ */
+ uint32_t y;
+
+ /**
+ * Z dimension.
+ */
+ uint32_t z;
+} hsa_dim3_t;
+
+/**
+ * @brief Access permissions.
+ */
+typedef enum {
+ /**
+ * Read-only access.
+ */
+ HSA_ACCESS_PERMISSION_RO = 1,
+ /**
+ * Write-only access.
+ */
+ HSA_ACCESS_PERMISSION_WO = 2,
+ /**
+ * Read and write access.
+ */
+ HSA_ACCESS_PERMISSION_RW = 3
+} hsa_access_permission_t;
+
+/**
+ * @brief POSIX file descriptor.
+ */
+typedef int hsa_file_t;
+
+/** @} **/
+
+
+/** \defgroup initshutdown Initialization and Shut Down
+ * @{
+ */
+
+/**
+ * @brief Initialize the HSA runtime.
+ *
+ * @details Initializes the HSA runtime if it is not already initialized, and
+ * increases the reference counter associated with the HSA runtime for the
+ * current process. Invocation of any HSA function other than ::hsa_init results
+ * in undefined behavior if the current HSA runtime reference counter is less
+ * than one.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_REFCOUNT_OVERFLOW The HSA runtime reference
+ * count reaches INT32_MAX.
+ */
+hsa_status_t HSA_API hsa_init();
+
+/**
+ * @brief Shut down the HSA runtime.
+ *
+ * @details Decreases the reference count of the HSA runtime instance. When the
+ * reference count reaches 0, the HSA runtime is no longer considered valid
+ * but the application might call ::hsa_init to initialize the HSA runtime
+ * again.
+ *
+ * Once the reference count of the HSA runtime reaches 0, all the resources
+ * associated with it (queues, signals, agent information, etc.) are
+ * considered invalid and any attempt to reference them in subsequent API calls
+ * results in undefined behavior. When the reference count reaches 0, the HSA
+ * runtime may release resources associated with it.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ */
+hsa_status_t HSA_API hsa_shut_down();
+
+/** @} **/
+
+/** \defgroup agentinfo System and Agent Information
+ * @{
+ */
+
+/**
+ * @brief Endianness. A convention used to interpret the bytes making up a data
+ * word.
+ */
+typedef enum {
+ /**
+ * The least significant byte is stored in the smallest address.
+ */
+ HSA_ENDIANNESS_LITTLE = 0,
+ /**
+ * The most significant byte is stored in the smallest address.
+ */
+ HSA_ENDIANNESS_BIG = 1
+} hsa_endianness_t;
+
+/**
+ * @brief Machine model. A machine model determines the size of certain data
+ * types in HSA runtime and an agent.
+ */
+typedef enum {
+ /**
+ * Small machine model. Addresses use 32 bits.
+ */
+ HSA_MACHINE_MODEL_SMALL = 0,
+ /**
+ * Large machine model. Addresses use 64 bits.
+ */
+ HSA_MACHINE_MODEL_LARGE = 1
+} hsa_machine_model_t;
+
+/**
+ * @brief Profile. A profile indicates a particular level of feature
+ * support. For example, in the base profile the application must use the HSA
+ * runtime allocator to reserve shared virtual memory, while in the full profile
+ * any host pointer can be shared across all the agents.
+ */
+typedef enum {
+ /**
+ * Base profile.
+ */
+ HSA_PROFILE_BASE = 0,
+ /**
+ * Full profile.
+ */
+ HSA_PROFILE_FULL = 1
+} hsa_profile_t;
+
+/**
+ * @brief System attributes.
+ */
+typedef enum {
+ /**
+ * Major version of the HSA runtime specification supported by the
+ * implementation. The type of this attribute is uint16_t.
+ */
+ HSA_SYSTEM_INFO_VERSION_MAJOR = 0,
+ /**
+ * Minor version of the HSA runtime specification supported by the
+ * implementation. The type of this attribute is uint16_t.
+ */
+ HSA_SYSTEM_INFO_VERSION_MINOR = 1,
+ /**
+ * Current timestamp. The value of this attribute monotonically increases at a
+ * constant rate. The type of this attribute is uint64_t.
+ */
+ HSA_SYSTEM_INFO_TIMESTAMP = 2,
+ /**
+ * Timestamp value increase rate, in Hz. The timestamp (clock) frequency is
+ * in the range 1-400MHz. The type of this attribute is uint64_t.
+ */
+ HSA_SYSTEM_INFO_TIMESTAMP_FREQUENCY = 3,
+ /**
+ * Maximum duration of a signal wait operation. Expressed as a count based on
+ * the timestamp frequency. The type of this attribute is uint64_t.
+ */
+ HSA_SYSTEM_INFO_SIGNAL_MAX_WAIT = 4,
+ /**
+ * Endianness of the system. The type of this attribute is ::hsa_endianness_t.
+ */
+ HSA_SYSTEM_INFO_ENDIANNESS = 5,
+ /**
+ * Machine model supported by the HSA runtime. The type of this attribute is
+ * ::hsa_machine_model_t.
+ */
+ HSA_SYSTEM_INFO_MACHINE_MODEL = 6,
+ /**
+ * Bit-mask indicating which extensions are supported by the
+ * implementation. An extension with an ID of @p i is supported if the bit at
+ * position @p i is set. The type of this attribute is uint8_t[128].
+ */
+ HSA_SYSTEM_INFO_EXTENSIONS = 7
+} hsa_system_info_t;
+
+/**
+ * @brief Get the current value of a system attribute.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * system attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_system_get_info(
+ hsa_system_info_t attribute,
+ void* value);
+
+/**
+ * @brief HSA extensions.
+ */
+typedef enum {
+ /**
+ * Finalizer extension.
+ */
+ HSA_EXTENSION_FINALIZER = 0,
+ /**
+ * Images extension.
+ */
+ HSA_EXTENSION_IMAGES = 1,
+
+ /**
+ * Performance counter extension.
+ */
+ HSA_EXTENSION_PERFORMANCE_COUNTERS = 2,
+
+ /**
+ * Profiling events extension.
+ */
+ HSA_EXTENSION_PROFILING_EVENTS = 3,
+ /**
+ * Extension count.
+ */
+ HSA_EXTENSION_STD_LAST = 3,
+ /**
+ * First AMD extension number.
+ */
+ HSA_AMD_FIRST_EXTENSION = 0x200,
+ /**
+ * Profiler extension.
+ */
+ HSA_EXTENSION_AMD_PROFILER = 0x200,
+ /**
+ * Loader extension.
+ */
+ HSA_EXTENSION_AMD_LOADER = 0x201,
+ /**
+ * Last AMD extension.
+ */
+ HSA_AMD_LAST_EXTENSION = 0x201
+} hsa_extension_t;
+
+/**
+ * @brief Query the name of a given extension.
+ *
+ * @param[in] extension Extension identifier. If the extension is not supported
+ * by the implementation (see ::HSA_SYSTEM_INFO_EXTENSIONS), the behavior
+ * is undefined.
+ *
+ * @param[out] name Pointer to a memory location where the HSA runtime stores
+ * the extension name. The extension name is a NUL-terminated string.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p name is NULL.
+ */
+hsa_status_t HSA_API hsa_extension_get_name(
+ uint16_t extension,
+ const char **name);
+
+/**
+ * @deprecated
+ *
+ * @brief Query if a given version of an extension is supported by the HSA
+ * implementation.
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] version_major Major version number.
+ *
+ * @param[in] version_minor Minor version number.
+ *
+ * @param[out] result Pointer to a memory location where the HSA runtime stores
+ * the result of the check. The result is true if the specified version of the
+ * extension is supported, and false otherwise.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p result is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_system_extension_supported(
+ uint16_t extension,
+ uint16_t version_major,
+ uint16_t version_minor,
+ bool* result);
+
+/**
+ * @brief Query if a given version of an extension is supported by the HSA
+ * implementation. All minor versions from 0 up to the returned @p version_minor
+ * must be supported by the implementation.
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] version_major Major version number.
+ *
+ * @param[out] version_minor Minor version number.
+ *
+ * @param[out] result Pointer to a memory location where the HSA runtime stores
+ * the result of the check. The result is true if the specified version of the
+ * extension is supported, and false otherwise.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p version_minor is NULL, or @p result is NULL.
+ */
+hsa_status_t HSA_API hsa_system_major_extension_supported(
+ uint16_t extension,
+ uint16_t version_major,
+ uint16_t *version_minor,
+ bool* result);
+
+
+/**
+ * @deprecated
+ *
+ * @brief Retrieve the function pointers corresponding to a given version of an
+ * extension. Portable applications are expected to invoke the extension API
+ * using the returned function pointers
+ *
+ * @details The application is responsible for verifying that the given version
+ * of the extension is supported by the HSA implementation (see
+ * ::hsa_system_extension_supported). If the given combination of extension,
+ * major version, and minor version is not supported by the implementation, the
+ * behavior is undefined.
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] version_major Major version number for which to retrieve the
+ * function pointer table.
+ *
+ * @param[in] version_minor Minor version number for which to retrieve the
+ * function pointer table.
+ *
+ * @param[out] table Pointer to an application-allocated function pointer table
+ * that is populated by the HSA runtime. Must not be NULL. The memory associated
+ * with table can be reused or freed after the function returns.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p table is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_system_get_extension_table(
+ uint16_t extension,
+ uint16_t version_major,
+ uint16_t version_minor,
+ void *table);
+
+/**
+ * @brief Retrieve the function pointers corresponding to a given major version
+ * of an extension. Portable applications are expected to invoke the extension
+ * API using the returned function pointers.
+ *
+ * @details The application is responsible for verifying that the given major
+ * version of the extension is supported by the HSA implementation (see
+ * ::hsa_system_major_extension_supported). If the given combination of extension
+ * and major version is not supported by the implementation, the behavior is
+ * undefined. Additionally if the length doesn't allow space for a full minor
+ * version, it is implementation defined if only some of the function pointers for
+ * that minor version get written.
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] version_major Major version number for which to retrieve the
+ * function pointer table.
+ *
+ * @param[in] table_length Size in bytes of the function pointer table to be
+ * populated. The implementation will not write more than this many bytes to the
+ * table.
+ *
+ * @param[out] table Pointer to an application-allocated function pointer table
+ * that is populated by the HSA runtime. Must not be NULL. The memory associated
+ * with table can be reused or freed after the function returns.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p table is NULL.
+ */
+hsa_status_t HSA_API hsa_system_get_major_extension_table(
+ uint16_t extension,
+ uint16_t version_major,
+ size_t table_length,
+ void *table);
+
+/**
+ * @brief Struct containing an opaque handle to an agent, a device that participates in
+ * the HSA memory model. An agent can submit AQL packets for execution, and
+ * may also accept AQL packets for execution (agent dispatch packets or kernel
+ * dispatch packets launching HSAIL-derived binaries).
+ */
+typedef struct hsa_agent_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_agent_t;
+
+/**
+ * @brief Agent features.
+ */
+typedef enum {
+ /**
+ * The agent supports AQL packets of kernel dispatch type. If this
+ * feature is enabled, the agent is also a kernel agent.
+ */
+ HSA_AGENT_FEATURE_KERNEL_DISPATCH = 1,
+ /**
+ * The agent supports AQL packets of agent dispatch type.
+ */
+ HSA_AGENT_FEATURE_AGENT_DISPATCH = 2
+} hsa_agent_feature_t;
+
+/**
+ * @brief Hardware device type.
+ */
+typedef enum {
+ /**
+ * CPU device.
+ */
+ HSA_DEVICE_TYPE_CPU = 0,
+ /**
+ * GPU device.
+ */
+ HSA_DEVICE_TYPE_GPU = 1,
+ /**
+ * DSP device.
+ */
+ HSA_DEVICE_TYPE_DSP = 2
+} hsa_device_type_t;
+
+/**
+ * @brief Default floating-point rounding mode.
+ */
+typedef enum {
+ /**
+ * Use a default floating-point rounding mode specified elsewhere.
+ */
+ HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT = 0,
+ /**
+ * Operations that specify the default floating-point mode are rounded to zero
+ * by default.
+ */
+ HSA_DEFAULT_FLOAT_ROUNDING_MODE_ZERO = 1,
+ /**
+ * Operations that specify the default floating-point mode are rounded to the
+ * nearest representable number and that ties should be broken by selecting
+ * the value with an even least significant bit.
+ */
+ HSA_DEFAULT_FLOAT_ROUNDING_MODE_NEAR = 2
+} hsa_default_float_rounding_mode_t;
+
+/**
+ * @brief Agent attributes.
+ */
+typedef enum {
+ /**
+ * Agent name. The type of this attribute is a NUL-terminated char[64]. The
+ * name must be at most 63 characters long (not including the NUL terminator)
+ * and all array elements not used for the name must be NUL.
+ */
+ HSA_AGENT_INFO_NAME = 0,
+ /**
+ * Name of vendor. The type of this attribute is a NUL-terminated char[64].
+ * The name must be at most 63 characters long (not including the NUL
+ * terminator) and all array elements not used for the name must be NUL.
+ */
+ HSA_AGENT_INFO_VENDOR_NAME = 1,
+ /**
+ * Agent capability. The type of this attribute is ::hsa_agent_feature_t.
+ */
+ HSA_AGENT_INFO_FEATURE = 2,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_MACHINE_MODELS for a given intruction set
+ * architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Machine model supported by the agent. The type of this attribute is
+ * ::hsa_machine_model_t.
+ */
+ HSA_AGENT_INFO_MACHINE_MODEL = 3,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_PROFILES for a given intruction set
+ * architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Profile supported by the agent. The type of this attribute is
+ * ::hsa_profile_t.
+ */
+ HSA_AGENT_INFO_PROFILE = 4,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_DEFAULT_FLOAT_ROUNDING_MODES for a given
+ * intruction set architecture supported by the agent instead. If more than
+ * one ISA is supported by the agent, the returned value corresponds to the
+ * first ISA enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Default floating-point rounding mode. The type of this attribute is
+ * ::hsa_default_float_rounding_mode_t, but the value
+ * ::HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT is not allowed.
+ */
+ HSA_AGENT_INFO_DEFAULT_FLOAT_ROUNDING_MODE = 5,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_BASE_PROFILE_DEFAULT_FLOAT_ROUNDING_MODES
+ * for a given intruction set architecture supported by the agent instead. If
+ * more than one ISA is supported by the agent, the returned value corresponds
+ * to the first ISA enumerated by ::hsa_agent_iterate_isas.
+ *
+ * A bit-mask of ::hsa_default_float_rounding_mode_t values, representing the
+ * default floating-point rounding modes supported by the agent in the Base
+ * profile. The type of this attribute is uint32_t. The default floating-point
+ * rounding mode (::HSA_AGENT_INFO_DEFAULT_FLOAT_ROUNDING_MODE) bit must not
+ * be set.
+ */
+ HSA_AGENT_INFO_BASE_PROFILE_DEFAULT_FLOAT_ROUNDING_MODES = 23,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_FAST_F16_OPERATION for a given intruction
+ * set architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Flag indicating that the f16 HSAIL operation is at least as fast as the
+ * f32 operation in the current agent. The value of this attribute is
+ * undefined if the agent is not a kernel agent. The type of this
+ * attribute is bool.
+ */
+ HSA_AGENT_INFO_FAST_F16_OPERATION = 24,
+ /**
+ * @deprecated Query ::HSA_WAVEFRONT_INFO_SIZE for a given wavefront and
+ * intruction set architecture supported by the agent instead. If more than
+ * one ISA is supported by the agent, the returned value corresponds to the
+ * first ISA enumerated by ::hsa_agent_iterate_isas and the first wavefront
+ * enumerated by ::hsa_isa_iterate_wavefronts for that ISA.
+ *
+ * Number of work-items in a wavefront. Must be a power of 2 in the range
+ * [1,256]. The value of this attribute is undefined if the agent is not
+ * a kernel agent. The type of this attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_WAVEFRONT_SIZE = 6,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_WORKGROUP_MAX_DIM for a given intruction
+ * set architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Maximum number of work-items of each dimension of a work-group. Each
+ * maximum must be greater than 0. No maximum can exceed the value of
+ * ::HSA_AGENT_INFO_WORKGROUP_MAX_SIZE. The value of this attribute is
+ * undefined if the agent is not a kernel agent. The type of this
+ * attribute is uint16_t[3].
+ */
+ HSA_AGENT_INFO_WORKGROUP_MAX_DIM = 7,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_WORKGROUP_MAX_SIZE for a given intruction
+ * set architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Maximum total number of work-items in a work-group. The value of this
+ * attribute is undefined if the agent is not a kernel agent. The type
+ * of this attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_WORKGROUP_MAX_SIZE = 8,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_GRID_MAX_DIM for a given intruction set
+ * architecture supported by the agent instead.
+ *
+ * Maximum number of work-items of each dimension of a grid. Each maximum must
+ * be greater than 0, and must not be smaller than the corresponding value in
+ * ::HSA_AGENT_INFO_WORKGROUP_MAX_DIM. No maximum can exceed the value of
+ * ::HSA_AGENT_INFO_GRID_MAX_SIZE. The value of this attribute is undefined
+ * if the agent is not a kernel agent. The type of this attribute is
+ * ::hsa_dim3_t.
+ */
+ HSA_AGENT_INFO_GRID_MAX_DIM = 9,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_GRID_MAX_SIZE for a given intruction set
+ * architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Maximum total number of work-items in a grid. The value of this attribute
+ * is undefined if the agent is not a kernel agent. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_GRID_MAX_SIZE = 10,
+ /**
+ * @deprecated Query ::HSA_ISA_INFO_FBARRIER_MAX_SIZE for a given intruction
+ * set architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Maximum number of fbarriers per work-group. Must be at least 32. The value
+ * of this attribute is undefined if the agent is not a kernel agent. The
+ * type of this attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_FBARRIER_MAX_SIZE = 11,
+ /**
+ * @deprecated The maximum number of queues is not statically determined.
+ *
+ * Maximum number of queues that can be active (created but not destroyed) at
+ * one time in the agent. The type of this attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_QUEUES_MAX = 12,
+ /**
+ * Minimum number of packets that a queue created in the agent
+ * can hold. Must be a power of 2 greater than 0. Must not exceed
+ * the value of ::HSA_AGENT_INFO_QUEUE_MAX_SIZE. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_QUEUE_MIN_SIZE = 13,
+ /**
+ * Maximum number of packets that a queue created in the agent can
+ * hold. Must be a power of 2 greater than 0. The type of this attribute
+ * is uint32_t.
+ */
+ HSA_AGENT_INFO_QUEUE_MAX_SIZE = 14,
+ /**
+ * Type of a queue created in the agent. The type of this attribute is
+ * ::hsa_queue_type32_t.
+ */
+ HSA_AGENT_INFO_QUEUE_TYPE = 15,
+ /**
+ * @deprecated NUMA information is not exposed anywhere else in the API.
+ *
+ * Identifier of the NUMA node associated with the agent. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_AGENT_INFO_NODE = 16,
+ /**
+ * Type of hardware device associated with the agent. The type of this
+ * attribute is ::hsa_device_type_t.
+ */
+ HSA_AGENT_INFO_DEVICE = 17,
+ /**
+ * @deprecated Query ::hsa_agent_iterate_caches to retrieve information about
+ * the caches present in a given agent.
+ *
+ * Array of data cache sizes (L1..L4). Each size is expressed in bytes. A size
+ * of 0 for a particular level indicates that there is no cache information
+ * for that level. The type of this attribute is uint32_t[4].
+ */
+ HSA_AGENT_INFO_CACHE_SIZE = 18,
+ /**
+ * @deprecated An agent may support multiple instruction set
+ * architectures. See ::hsa_agent_iterate_isas. If more than one ISA is
+ * supported by the agent, the returned value corresponds to the first ISA
+ * enumerated by ::hsa_agent_iterate_isas.
+ *
+ * Instruction set architecture of the agent. The type of this attribute
+ * is ::hsa_isa_t.
+ */
+ HSA_AGENT_INFO_ISA = 19,
+ /**
+ * Bit-mask indicating which extensions are supported by the agent. An
+ * extension with an ID of @p i is supported if the bit at position @p i is
+ * set. The type of this attribute is uint8_t[128].
+ */
+ HSA_AGENT_INFO_EXTENSIONS = 20,
+ /**
+ * Major version of the HSA runtime specification supported by the
+ * agent. The type of this attribute is uint16_t.
+ */
+ HSA_AGENT_INFO_VERSION_MAJOR = 21,
+ /**
+ * Minor version of the HSA runtime specification supported by the
+ * agent. The type of this attribute is uint16_t.
+ */
+ HSA_AGENT_INFO_VERSION_MINOR = 22
+
+} hsa_agent_info_t;
+
+/**
+ * @brief Get the current value of an attribute for a given agent.
+ *
+ * @param[in] agent A valid agent.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * agent attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_agent_get_info(
+ hsa_agent_t agent,
+ hsa_agent_info_t attribute,
+ void* value);
+
+/**
+ * @brief Iterate over the available agents, and invoke an
+ * application-defined callback on every iteration.
+ *
+ * @param[in] callback Callback to be invoked once per agent. The HSA
+ * runtime passes two arguments to the callback: the agent and the
+ * application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * ::hsa_iterate_agents returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+*/
+hsa_status_t HSA_API hsa_iterate_agents(
+ hsa_status_t (*callback)(hsa_agent_t agent, void* data),
+ void* data);
+
+/*
+
+// If we do not know the size of an attribute, we need to query it first
+// Note: this API will not be in the spec unless needed
+hsa_status_t HSA_API hsa_agent_get_info_size(
+ hsa_agent_t agent,
+ hsa_agent_info_t attribute,
+ size_t* size);
+
+// Set the value of an agents attribute
+// Note: this API will not be in the spec unless needed
+hsa_status_t HSA_API hsa_agent_set_info(
+ hsa_agent_t agent,
+ hsa_agent_info_t attribute,
+ void* value);
+
+*/
+
+/**
+ * @brief Exception policies applied in the presence of hardware exceptions.
+ */
+typedef enum {
+ /**
+ * If a hardware exception is detected, a work-item signals an exception.
+ */
+ HSA_EXCEPTION_POLICY_BREAK = 1,
+ /**
+ * If a hardware exception is detected, a hardware status bit is set.
+ */
+ HSA_EXCEPTION_POLICY_DETECT = 2
+} hsa_exception_policy_t;
+
+/**
+ * @deprecated Use ::hsa_isa_get_exception_policies for a given intruction set
+ * architecture supported by the agent instead. If more than one ISA is
+ * supported by the agent, this function uses the first value returned by
+ * ::hsa_agent_iterate_isas.
+ *
+ * @brief Retrieve the exception policy support for a given combination of
+ * agent and profile
+ *
+ * @param[in] agent Agent.
+ *
+ * @param[in] profile Profile.
+ *
+ * @param[out] mask Pointer to a memory location where the HSA runtime stores a
+ * mask of ::hsa_exception_policy_t values. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p profile is not a valid
+ * profile, or @p mask is NULL.
+ *
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_agent_get_exception_policies(
+ hsa_agent_t agent,
+ hsa_profile_t profile,
+ uint16_t *mask);
+
+/**
+ * @brief Cache handle.
+ */
+typedef struct hsa_cache_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_cache_t;
+
+/**
+ * @brief Cache attributes.
+ */
+typedef enum {
+ /**
+ * The length of the cache name in bytes, not including the NUL terminator.
+ * The type of this attribute is uint32_t.
+ */
+ HSA_CACHE_INFO_NAME_LENGTH = 0,
+ /**
+ * Human-readable description. The type of this attribute is a NUL-terminated
+ * character array with the length equal to the value of
+ * ::HSA_CACHE_INFO_NAME_LENGTH attribute.
+ */
+ HSA_CACHE_INFO_NAME = 1,
+ /**
+ * Cache level. A L1 cache must return a value of 1, a L2 must return a value
+ * of 2, and so on. The type of this attribute is uint8_t.
+ */
+ HSA_CACHE_INFO_LEVEL = 2,
+ /**
+ * Cache size, in bytes. A value of 0 indicates that there is no size
+ * information available. The type of this attribute is uint32_t.
+ */
+ HSA_CACHE_INFO_SIZE = 3
+} hsa_cache_info_t;
+
+/**
+ * @brief Get the current value of an attribute for a given cache object.
+ *
+ * @param[in] cache Cache.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CACHE The cache is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * instruction set architecture attribute, or @p value is
+ * NULL.
+ */
+hsa_status_t HSA_API hsa_cache_get_info(
+ hsa_cache_t cache,
+ hsa_cache_info_t attribute,
+ void* value);
+
+/**
+ * @brief Iterate over the memory caches of a given agent, and
+ * invoke an application-defined callback on every iteration.
+ *
+ * @details Caches are visited in ascending order according to the value of the
+ * ::HSA_CACHE_INFO_LEVEL attribute.
+ *
+ * @param[in] agent A valid agent.
+ *
+ * @param[in] callback Callback to be invoked once per cache that is present in
+ * the agent. The HSA runtime passes two arguments to the callback: the cache
+ * and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * that value is returned.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_agent_iterate_caches(
+ hsa_agent_t agent,
+ hsa_status_t (*callback)(hsa_cache_t cache, void* data),
+ void* data);
+
+/**
+ * @deprecated
+ *
+ * @brief Query if a given version of an extension is supported by an agent
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] agent Agent.
+ *
+ * @param[in] version_major Major version number.
+ *
+ * @param[in] version_minor Minor version number.
+ *
+ * @param[out] result Pointer to a memory location where the HSA runtime stores
+ * the result of the check. The result is true if the specified version of the
+ * extension is supported, and false otherwise. The result must be false if
+ * ::hsa_system_extension_supported returns false for the same extension
+ * version.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p result is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_agent_extension_supported(
+ uint16_t extension,
+ hsa_agent_t agent,
+ uint16_t version_major,
+ uint16_t version_minor,
+ bool* result);
+
+/**
+ * @brief Query if a given version of an extension is supported by an agent. All
+ * minor versions from 0 up to the returned @p version_minor must be supported.
+ *
+ * @param[in] extension Extension identifier.
+ *
+ * @param[in] agent Agent.
+ *
+ * @param[in] version_major Major version number.
+ *
+ * @param[out] version_minor Minor version number.
+ *
+ * @param[out] result Pointer to a memory location where the HSA runtime stores
+ * the result of the check. The result is true if the specified version of the
+ * extension is supported, and false otherwise. The result must be false if
+ * ::hsa_system_extension_supported returns false for the same extension
+ * version.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p extension is not a valid
+ * extension, or @p version_minor is NULL, or @p result is NULL.
+ */
+hsa_status_t HSA_API hsa_agent_major_extension_supported(
+ uint16_t extension,
+ hsa_agent_t agent,
+ uint16_t version_major,
+ uint16_t *version_minor,
+ bool* result);
+
+
+/** @} */
+
+
+/** \defgroup signals Signals
+ * @{
+ */
+
+/**
+ * @brief Signal handle.
+ */
+typedef struct hsa_signal_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal. The value 0 is reserved.
+ */
+ uint64_t handle;
+} hsa_signal_t;
+
+/**
+ * @brief Signal value. The value occupies 32 bits in small machine mode, and 64
+ * bits in large machine mode.
+ */
+#ifdef HSA_LARGE_MODEL
+ typedef int64_t hsa_signal_value_t;
+#else
+ typedef int32_t hsa_signal_value_t;
+#endif
+
+/**
+ * @brief Create a signal.
+ *
+ * @param[in] initial_value Initial value of the signal.
+ *
+ * @param[in] num_consumers Size of @p consumers. A value of 0 indicates that
+ * any agent might wait on the signal.
+ *
+ * @param[in] consumers List of agents that might consume (wait on) the
+ * signal. If @p num_consumers is 0, this argument is ignored; otherwise, the
+ * HSA runtime might use the list to optimize the handling of the signal
+ * object. If an agent not listed in @p consumers waits on the returned
+ * signal, the behavior is undefined. The memory associated with @p consumers
+ * can be reused or freed after the function returns.
+ *
+ * @param[out] signal Pointer to a memory location where the HSA runtime will
+ * store the newly created signal handle. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p signal is NULL, @p
+ * num_consumers is greater than 0 but @p consumers is NULL, or @p consumers
+ * contains duplicates.
+ */
+hsa_status_t HSA_API hsa_signal_create(
+ hsa_signal_value_t initial_value,
+ uint32_t num_consumers,
+ const hsa_agent_t *consumers,
+ hsa_signal_t *signal);
+
+/**
+ * @brief Destroy a signal previous created by ::hsa_signal_create.
+ *
+ * @param[in] signal Signal.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SIGNAL @p signal is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT The handle in @p signal is 0.
+ */
+hsa_status_t HSA_API hsa_signal_destroy(
+ hsa_signal_t signal);
+
+/**
+ * @brief Atomically read the current value of a signal.
+ *
+ * @param[in] signal Signal.
+ *
+ * @return Value of the signal.
+*/
+hsa_signal_value_t HSA_API hsa_signal_load_scacquire(
+ hsa_signal_t signal);
+
+/**
+ * @copydoc hsa_signal_load_scacquire
+ */
+hsa_signal_value_t HSA_API hsa_signal_load_relaxed(
+ hsa_signal_t signal);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_load_scacquire.
+ *
+ * @copydoc hsa_signal_load_scacquire
+*/
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_load_acquire(
+ hsa_signal_t signal);
+
+/**
+ * @brief Atomically set the value of a signal.
+ *
+ * @details If the value of the signal is changed, all the agents waiting
+ * on @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal.
+ *
+ * @param[in] value New signal value.
+ */
+void HSA_API hsa_signal_store_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_store_relaxed
+ */
+void HSA_API hsa_signal_store_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_store_screlease.
+ *
+ * @copydoc hsa_signal_store_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_store_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically set the value of a signal without necessarily notifying the
+ * the agents waiting on it.
+ *
+ * @details The agents waiting on @p signal may not wake up even when the new
+ * value satisfies their wait condition. If the application wants to update the
+ * signal and there is no need to notify any agent, invoking this function can
+ * be more efficient than calling the non-silent counterpart.
+ *
+ * @param[in] signal Signal.
+ *
+ * @param[in] value New signal value.
+ */
+void HSA_API hsa_signal_silent_store_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_silent_store_relaxed
+ */
+void HSA_API hsa_signal_silent_store_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically set the value of a signal and return its previous value.
+ *
+ * @details If the value of the signal is changed, all the agents waiting
+ * on @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value New value.
+ *
+ * @return Value of the signal prior to the exchange.
+ *
+ */
+hsa_signal_value_t HSA_API hsa_signal_exchange_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_exchange_scacq_screl.
+ *
+ * @copydoc hsa_signal_exchange_scacq_screl
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_exchange_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_exchange_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_exchange_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_exchange_scacquire.
+ *
+ * @copydoc hsa_signal_exchange_scacquire
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_exchange_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_exchange_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_exchange_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+/**
+ * @copydoc hsa_signal_exchange_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_exchange_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_exchange_screlease.
+ *
+ * @copydoc hsa_signal_exchange_screlease
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_exchange_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically set the value of a signal if the observed value is equal to
+ * the expected value. The observed value is returned regardless of whether the
+ * replacement was done.
+ *
+ * @details If the value of the signal is changed, all the agents waiting
+ * on @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue
+ * doorbell signal, the behavior is undefined.
+ *
+ * @param[in] expected Value to compare with.
+ *
+ * @param[in] value New value.
+ *
+ * @return Observed value of the signal.
+ *
+ */
+hsa_signal_value_t HSA_API hsa_signal_cas_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_cas_scacq_screl.
+ *
+ * @copydoc hsa_signal_cas_scacq_screl
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_cas_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_cas_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_cas_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_cas_scacquire.
+ *
+ * @copydoc hsa_signal_cas_scacquire
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_cas_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_cas_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_cas_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_cas_scacq_screl
+ */
+hsa_signal_value_t HSA_API hsa_signal_cas_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_cas_screlease.
+ *
+ * @copydoc hsa_signal_cas_screlease
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_cas_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t expected,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically increment the value of a signal by a given amount.
+ *
+ * @details If the value of the signal is changed, all the agents waiting on
+ * @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value Value to add to the value of the signal.
+ *
+ */
+void HSA_API hsa_signal_add_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_add_scacq_screl.
+ *
+ * @copydoc hsa_signal_add_scacq_screl
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_add_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_add_scacq_screl
+ */
+void HSA_API hsa_signal_add_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_add_scacquire.
+ *
+ * @copydoc hsa_signal_add_scacquire
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_add_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_add_scacq_screl
+ */
+void HSA_API hsa_signal_add_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_add_scacq_screl
+ */
+void HSA_API hsa_signal_add_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_add_screlease.
+ *
+ * @copydoc hsa_signal_add_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_add_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically decrement the value of a signal by a given amount.
+ *
+ * @details If the value of the signal is changed, all the agents waiting on
+ * @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value Value to subtract from the value of the signal.
+ *
+ */
+void HSA_API hsa_signal_subtract_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_subtract_scacq_screl.
+ *
+ * @copydoc hsa_signal_subtract_scacq_screl
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_subtract_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_subtract_scacq_screl
+ */
+void HSA_API hsa_signal_subtract_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_subtract_scacquire.
+ *
+ * @copydoc hsa_signal_subtract_scacquire
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_subtract_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_subtract_scacq_screl
+ */
+void HSA_API hsa_signal_subtract_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_subtract_scacq_screl
+ */
+void HSA_API hsa_signal_subtract_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_subtract_screlease.
+ *
+ * @copydoc hsa_signal_subtract_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_subtract_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically perform a bitwise AND operation between the value of a
+ * signal and a given value.
+ *
+ * @details If the value of the signal is changed, all the agents waiting on
+ * @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value Value to AND with the value of the signal.
+ *
+ */
+void HSA_API hsa_signal_and_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_and_scacq_screl.
+ *
+ * @copydoc hsa_signal_and_scacq_screl
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_and_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_and_scacq_screl
+ */
+void HSA_API hsa_signal_and_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_and_scacquire.
+ *
+ * @copydoc hsa_signal_and_scacquire
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_and_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_and_scacq_screl
+ */
+void HSA_API hsa_signal_and_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_and_scacq_screl
+ */
+void HSA_API hsa_signal_and_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_and_screlease.
+ *
+ * @copydoc hsa_signal_and_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_and_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically perform a bitwise OR operation between the value of a
+ * signal and a given value.
+ *
+ * @details If the value of the signal is changed, all the agents waiting on
+ * @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value Value to OR with the value of the signal.
+ */
+void HSA_API hsa_signal_or_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_or_scacq_screl.
+ *
+ * @copydoc hsa_signal_or_scacq_screl
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_or_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_or_scacq_screl
+ */
+void HSA_API hsa_signal_or_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_or_scacquire.
+ *
+ * @copydoc hsa_signal_or_scacquire
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_or_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_or_scacq_screl
+ */
+void HSA_API hsa_signal_or_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_or_scacq_screl
+ */
+void HSA_API hsa_signal_or_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_or_screlease.
+ *
+ * @copydoc hsa_signal_or_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_or_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Atomically perform a bitwise XOR operation between the value of a
+ * signal and a given value.
+ *
+ * @details If the value of the signal is changed, all the agents waiting on
+ * @p signal for which @p value satisfies their wait condition are awakened.
+ *
+ * @param[in] signal Signal. If @p signal is a queue doorbell signal, the
+ * behavior is undefined.
+ *
+ * @param[in] value Value to XOR with the value of the signal.
+ *
+ */
+void HSA_API hsa_signal_xor_scacq_screl(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+
+/**
+ * @deprecated Renamed as ::hsa_signal_xor_scacq_screl.
+ *
+ * @copydoc hsa_signal_xor_scacq_screl
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_xor_acq_rel(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_xor_scacq_screl
+ */
+void HSA_API hsa_signal_xor_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_xor_scacquire.
+ *
+ * @copydoc hsa_signal_xor_scacquire
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_xor_acquire(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_xor_scacq_screl
+ */
+void HSA_API hsa_signal_xor_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @copydoc hsa_signal_xor_scacq_screl
+ */
+void HSA_API hsa_signal_xor_screlease(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_xor_screlease.
+ *
+ * @copydoc hsa_signal_xor_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_signal_xor_release(
+ hsa_signal_t signal,
+ hsa_signal_value_t value);
+
+/**
+ * @brief Wait condition operator.
+ */
+typedef enum {
+ /**
+ * The two operands are equal.
+ */
+ HSA_SIGNAL_CONDITION_EQ = 0,
+ /**
+ * The two operands are not equal.
+ */
+ HSA_SIGNAL_CONDITION_NE = 1,
+ /**
+ * The first operand is less than the second operand.
+ */
+ HSA_SIGNAL_CONDITION_LT = 2,
+ /**
+ * The first operand is greater than or equal to the second operand.
+ */
+ HSA_SIGNAL_CONDITION_GTE = 3
+} hsa_signal_condition_t;
+
+/**
+ * @brief State of the application thread during a signal wait.
+ */
+typedef enum {
+ /**
+ * The application thread may be rescheduled while waiting on the signal.
+ */
+ HSA_WAIT_STATE_BLOCKED = 0,
+ /**
+ * The application thread stays active while waiting on a signal.
+ */
+ HSA_WAIT_STATE_ACTIVE = 1
+} hsa_wait_state_t;
+
+
+/**
+ * @brief Wait until a signal value satisfies a specified condition, or a
+ * certain amount of time has elapsed.
+ *
+ * @details A wait operation can spuriously resume at any time sooner than the
+ * timeout (for example, due to system or other external factors) even when the
+ * condition has not been met.
+ *
+ * The function is guaranteed to return if the signal value satisfies the
+ * condition at some point in time during the wait, but the value returned to
+ * the application might not satisfy the condition. The application must ensure
+ * that signals are used in such way that wait wakeup conditions are not
+ * invalidated before dependent threads have woken up.
+ *
+ * When the wait operation internally loads the value of the passed signal, it
+ * uses the memory order indicated in the function name.
+ *
+ * @param[in] signal Signal.
+ *
+ * @param[in] condition Condition used to compare the signal value with @p
+ * compare_value.
+ *
+ * @param[in] compare_value Value to compare with.
+ *
+ * @param[in] timeout_hint Maximum duration of the wait. Specified in the same
+ * unit as the system timestamp. The operation might block for a shorter or
+ * longer time even if the condition is not met. A value of UINT64_MAX indicates
+ * no maximum.
+ *
+ * @param[in] wait_state_hint Hint used by the application to indicate the
+ * preferred waiting state. The actual waiting state is ultimately decided by
+ * HSA runtime and may not match the provided hint. A value of
+ * ::HSA_WAIT_STATE_ACTIVE may improve the latency of response to a signal
+ * update by avoiding rescheduling overhead.
+ *
+ * @return Observed value of the signal, which might not satisfy the specified
+ * condition.
+ *
+*/
+hsa_signal_value_t HSA_API hsa_signal_wait_scacquire(
+ hsa_signal_t signal,
+ hsa_signal_condition_t condition,
+ hsa_signal_value_t compare_value,
+ uint64_t timeout_hint,
+ hsa_wait_state_t wait_state_hint);
+
+/**
+ * @copydoc hsa_signal_wait_scacquire
+ */
+hsa_signal_value_t HSA_API hsa_signal_wait_relaxed(
+ hsa_signal_t signal,
+ hsa_signal_condition_t condition,
+ hsa_signal_value_t compare_value,
+ uint64_t timeout_hint,
+ hsa_wait_state_t wait_state_hint);
+
+/**
+ * @deprecated Renamed as ::hsa_signal_wait_scacquire.
+ *
+ * @copydoc hsa_signal_wait_scacquire
+ */
+hsa_signal_value_t HSA_API HSA_DEPRECATED hsa_signal_wait_acquire(
+ hsa_signal_t signal,
+ hsa_signal_condition_t condition,
+ hsa_signal_value_t compare_value,
+ uint64_t timeout_hint,
+ hsa_wait_state_t wait_state_hint);
+
+/**
+ * @brief Group of signals.
+ */
+typedef struct hsa_signal_group_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_signal_group_t;
+
+/**
+ * @brief Create a signal group.
+ *
+ * @param[in] num_signals Number of elements in @p signals. Must not be 0.
+ *
+ * @param[in] signals List of signals in the group. The list must not contain
+ * any repeated elements. Must not be NULL.
+ *
+ * @param[in] num_consumers Number of elements in @p consumers. Must not be 0.
+ *
+ * @param[in] consumers List of agents that might consume (wait on) the signal
+ * group. The list must not contain repeated elements, and must be a subset of
+ * the set of agents that are allowed to wait on all the signals in the
+ * group. If an agent not listed in @p consumers waits on the returned group,
+ * the behavior is undefined. The memory associated with @p consumers can be
+ * reused or freed after the function returns. Must not be NULL.
+ *
+ * @param[out] signal_group Pointer to newly created signal group. Must not be
+ * NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p num_signals is 0, @p signals
+ * is NULL, @p num_consumers is 0, @p consumers is NULL, or @p signal_group is
+ * NULL.
+ */
+hsa_status_t HSA_API hsa_signal_group_create(
+ uint32_t num_signals,
+ const hsa_signal_t *signals,
+ uint32_t num_consumers,
+ const hsa_agent_t *consumers,
+ hsa_signal_group_t *signal_group);
+
+/**
+ * @brief Destroy a signal group previous created by ::hsa_signal_group_create.
+ *
+ * @param[in] signal_group Signal group.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SIGNAL_GROUP @p signal_group is invalid.
+ */
+hsa_status_t HSA_API hsa_signal_group_destroy(
+ hsa_signal_group_t signal_group);
+
+/**
+ * @brief Wait until the value of at least one of the signals in a signal group
+ * satisfies its associated condition.
+ *
+ * @details The function is guaranteed to return if the value of at least one of
+ * the signals in the group satisfies its associated condition at some point in
+ * time during the wait, but the signal value returned to the application may no
+ * longer satisfy the condition. The application must ensure that signals in the
+ * group are used in such way that wait wakeup conditions are not invalidated
+ * before dependent threads have woken up.
+ *
+ * When this operation internally loads the value of the passed signal, it uses
+ * the memory order indicated in the function name.
+ *
+ * @param[in] signal_group Signal group.
+ *
+ * @param[in] conditions List of conditions. Each condition, and the value at
+ * the same index in @p compare_values, is used to compare the value of the
+ * signal at that index in @p signal_group (the signal passed by the application
+ * to ::hsa_signal_group_create at that particular index). The size of @p
+ * conditions must not be smaller than the number of signals in @p signal_group;
+ * any extra elements are ignored. Must not be NULL.
+ *
+ * @param[in] compare_values List of comparison values. The size of @p
+ * compare_values must not be smaller than the number of signals in @p
+ * signal_group; any extra elements are ignored. Must not be NULL.
+ *
+ * @param[in] wait_state_hint Hint used by the application to indicate the
+ * preferred waiting state. The actual waiting state is decided by the HSA runtime
+ * and may not match the provided hint. A value of ::HSA_WAIT_STATE_ACTIVE may
+ * improve the latency of response to a signal update by avoiding rescheduling
+ * overhead.
+ *
+ * @param[out] signal Signal in the group that satisfied the associated
+ * condition. If several signals satisfied their condition, the function can
+ * return any of those signals. Must not be NULL.
+ *
+ * @param[out] value Observed value for @p signal, which might no longer satisfy
+ * the specified condition. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SIGNAL_GROUP @p signal_group is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p conditions is NULL, @p
+ * compare_values is NULL, @p signal is NULL, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_signal_group_wait_any_scacquire(
+ hsa_signal_group_t signal_group,
+ const hsa_signal_condition_t *conditions,
+ const hsa_signal_value_t *compare_values,
+ hsa_wait_state_t wait_state_hint,
+ hsa_signal_t *signal,
+ hsa_signal_value_t *value);
+
+/**
+ * @copydoc hsa_signal_group_wait_any_scacquire
+ */
+hsa_status_t HSA_API hsa_signal_group_wait_any_relaxed(
+ hsa_signal_group_t signal_group,
+ const hsa_signal_condition_t *conditions,
+ const hsa_signal_value_t *compare_values,
+ hsa_wait_state_t wait_state_hint,
+ hsa_signal_t *signal,
+ hsa_signal_value_t *value);
+
+/** @} */
+
+/** \defgroup memory Memory
+ * @{
+ */
+
+/**
+ * @brief A memory region represents a block of virtual memory with certain
+ * properties. For example, the HSA runtime represents fine-grained memory in
+ * the global segment using a region. A region might be associated with more
+ * than one agent.
+ */
+typedef struct hsa_region_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_region_t;
+
+/** @} */
+
+
+/** \defgroup queue Queues
+ * @{
+ */
+
+/**
+ * @brief Queue type. Intended to be used for dynamic queue protocol
+ * determination.
+ */
+typedef enum {
+ /**
+ * Queue supports multiple producers.
+ */
+ HSA_QUEUE_TYPE_MULTI = 0,
+ /**
+ * Queue only supports a single producer. In some scenarios, the application
+ * may want to limit the submission of AQL packets to a single agent. Queues
+ * that support a single producer may be more efficient than queues supporting
+ * multiple producers.
+ */
+ HSA_QUEUE_TYPE_SINGLE = 1
+} hsa_queue_type_t;
+
+/**
+ * @brief A fixed-size type used to represent ::hsa_queue_type_t constants.
+ */
+typedef uint32_t hsa_queue_type32_t;
+
+/**
+ * @brief Queue features.
+ */
+typedef enum {
+ /**
+ * Queue supports kernel dispatch packets.
+ */
+ HSA_QUEUE_FEATURE_KERNEL_DISPATCH = 1,
+
+ /**
+ * Queue supports agent dispatch packets.
+ */
+ HSA_QUEUE_FEATURE_AGENT_DISPATCH = 2
+} hsa_queue_feature_t;
+
+/**
+ * @brief User mode queue.
+ *
+ * @details The queue structure is read-only and allocated by the HSA runtime,
+ * but agents can directly modify the contents of the buffer pointed by @a
+ * base_address, or use HSA runtime APIs to access the doorbell signal.
+ *
+ */
+typedef struct hsa_queue_s {
+ /**
+ * Queue type.
+ */
+ hsa_queue_type32_t type;
+
+ /**
+ * Queue features mask. This is a bit-field of ::hsa_queue_feature_t
+ * values. Applications should ignore any unknown set bits.
+ */
+ uint32_t features;
+
+#ifdef HSA_LARGE_MODEL
+ void* base_address;
+#elif defined HSA_LITTLE_ENDIAN
+ /**
+ * Starting address of the HSA runtime-allocated buffer used to store the AQL
+ * packets. Must be aligned to the size of an AQL packet.
+ */
+ void* base_address;
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved0;
+#else
+ uint32_t reserved0;
+ void* base_address;
+#endif
+
+ /**
+ * Signal object used by the application to indicate the ID of a packet that
+ * is ready to be processed. The HSA runtime manages the doorbell signal. If
+ * the application tries to replace or destroy this signal, the behavior is
+ * undefined.
+ *
+ * If @a type is ::HSA_QUEUE_TYPE_SINGLE, the doorbell signal value must be
+ * updated in a monotonically increasing fashion. If @a type is
+ * ::HSA_QUEUE_TYPE_MULTI, the doorbell signal value can be updated with any
+ * value.
+ */
+ hsa_signal_t doorbell_signal;
+
+ /**
+ * Maximum number of packets the queue can hold. Must be a power of 2.
+ */
+ uint32_t size;
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved1;
+ /**
+ * Queue identifier, which is unique over the lifetime of the application.
+ */
+ uint64_t id;
+
+} hsa_queue_t;
+
+/**
+ * @brief Create a user mode queue.
+ *
+ * @details The HSA runtime creates the queue structure, the underlying packet
+ * buffer, the completion signal, and the write and read indexes. The initial
+ * value of the write and read indexes is 0. The type of every packet in the
+ * buffer is initialized to ::HSA_PACKET_TYPE_INVALID.
+ *
+ * The application should only rely on the error code returned to determine if
+ * the queue is valid.
+ *
+ * @param[in] agent Agent where to create the queue.
+ *
+ * @param[in] size Number of packets the queue is expected to
+ * hold. Must be a power of 2 between 1 and the value of
+ * ::HSA_AGENT_INFO_QUEUE_MAX_SIZE in @p agent. The size of the newly
+ * created queue is the maximum of @p size and the value of
+ * ::HSA_AGENT_INFO_QUEUE_MIN_SIZE in @p agent.
+ *
+ * @param[in] type Type of the queue. If the value of
+ * ::HSA_AGENT_INFO_QUEUE_TYPE in @p agent is ::HSA_QUEUE_TYPE_SINGLE, then @p
+ * type must also be ::HSA_QUEUE_TYPE_SINGLE.
+ *
+ * @param[in] callback Callback invoked by the HSA runtime for every
+ * asynchronous event related to the newly created queue. May be NULL. The HSA
+ * runtime passes three arguments to the callback: a code identifying the event
+ * that triggered the invocation, a pointer to the queue where the event
+ * originated, and the application data.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @param[in] private_segment_size Hint indicating the maximum
+ * expected private segment usage per work-item, in bytes. There may
+ * be performance degradation if the application places a kernel
+ * dispatch packet in the queue and the corresponding private segment
+ * usage exceeds @p private_segment_size. If the application does not
+ * want to specify any particular value for this argument, @p
+ * private_segment_size must be UINT32_MAX. If the queue does not
+ * support kernel dispatch packets, this argument is ignored.
+ *
+ * @param[in] group_segment_size Hint indicating the maximum expected
+ * group segment usage per work-group, in bytes. There may be
+ * performance degradation if the application places a kernel dispatch
+ * packet in the queue and the corresponding group segment usage
+ * exceeds @p group_segment_size. If the application does not want to
+ * specify any particular value for this argument, @p
+ * group_segment_size must be UINT32_MAX. If the queue does not
+ * support kernel dispatch packets, this argument is ignored.
+ *
+ * @param[out] queue Memory location where the HSA runtime stores a pointer to
+ * the newly created queue.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_QUEUE_CREATION @p agent does not
+ * support queues of the given type.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p size is not a power of two,
+ * @p size is 0, @p type is an invalid queue type, or @p queue is NULL.
+ *
+ */
+hsa_status_t HSA_API hsa_queue_create(
+ hsa_agent_t agent,
+ uint32_t size,
+ hsa_queue_type32_t type,
+ void (*callback)(hsa_status_t status, hsa_queue_t *source, void *data),
+ void *data,
+ uint32_t private_segment_size,
+ uint32_t group_segment_size,
+ hsa_queue_t **queue);
+
+/**
+ * @brief Create a queue for which the application or a kernel is responsible
+ * for processing the AQL packets.
+ *
+ * @details The application can use this function to create queues where AQL
+ * packets are not parsed by the packet processor associated with an agent,
+ * but rather by a unit of execution running on that agent (for example, a
+ * thread in the host application).
+ *
+ * The application is responsible for ensuring that all the producers and
+ * consumers of the resulting queue can access the provided doorbell signal
+ * and memory region. The application is also responsible for ensuring that the
+ * unit of execution processing the queue packets supports the indicated
+ * features (AQL packet types).
+ *
+ * When the queue is created, the HSA runtime allocates the packet buffer using
+ * @p region, and the write and read indexes. The initial value of the write and
+ * read indexes is 0, and the type of every packet in the buffer is initialized
+ * to ::HSA_PACKET_TYPE_INVALID. The value of the @e size, @e type, @e features,
+ * and @e doorbell_signal fields in the returned queue match the values passed
+ * by the application.
+ *
+ * @param[in] region Memory region that the HSA runtime should use to allocate
+ * the AQL packet buffer and any other queue metadata.
+ *
+ * @param[in] size Number of packets the queue is expected to hold. Must be a
+ * power of 2 greater than 0.
+ *
+ * @param[in] type Queue type.
+ *
+ * @param[in] features Supported queue features. This is a bit-field of
+ * ::hsa_queue_feature_t values.
+ *
+ * @param[in] doorbell_signal Doorbell signal that the HSA runtime must
+ * associate with the returned queue. The signal handle must not be 0.
+ *
+ * @param[out] queue Memory location where the HSA runtime stores a pointer to
+ * the newly created queue. The application should not rely on the value
+ * returned for this argument but only in the status code to determine if the
+ * queue is valid. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p size is not a power of two, @p
+ * size is 0, @p type is an invalid queue type, the doorbell signal handle is
+ * 0, or @p queue is NULL.
+ *
+ */
+hsa_status_t HSA_API hsa_soft_queue_create(
+ hsa_region_t region,
+ uint32_t size,
+ hsa_queue_type32_t type,
+ uint32_t features,
+ hsa_signal_t doorbell_signal,
+ hsa_queue_t **queue);
+
+/**
+ * @brief Destroy a user mode queue.
+ *
+ * @details When a queue is destroyed, the state of the AQL packets that have
+ * not been yet fully processed (their completion phase has not finished)
+ * becomes undefined. It is the responsibility of the application to ensure that
+ * all pending queue operations are finished if their results are required.
+ *
+ * The resources allocated by the HSA runtime during queue creation (queue
+ * structure, ring buffer, doorbell signal) are released. The queue should not
+ * be accessed after being destroyed.
+ *
+ * @param[in] queue Pointer to a queue created using ::hsa_queue_create.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_QUEUE The queue is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p queue is NULL.
+ */
+hsa_status_t HSA_API hsa_queue_destroy(
+ hsa_queue_t *queue);
+
+/**
+ * @brief Inactivate a queue.
+ *
+ * @details Inactivating the queue aborts any pending executions and prevent any
+ * new packets from being processed. Any more packets written to the queue once
+ * it is inactivated will be ignored by the packet processor.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_QUEUE The queue is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p queue is NULL.
+ */
+hsa_status_t HSA_API hsa_queue_inactivate(
+ hsa_queue_t *queue);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_load_read_index_scacquire.
+ *
+ * @copydoc hsa_queue_load_read_index_scacquire
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_load_read_index_acquire(
+ const hsa_queue_t *queue);
+
+/**
+ * @brief Atomically load the read index of a queue.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @return Read index of the queue pointed by @p queue.
+ */
+uint64_t HSA_API hsa_queue_load_read_index_scacquire(
+ const hsa_queue_t *queue);
+
+/**
+ * @copydoc hsa_queue_load_read_index_scacquire
+ */
+uint64_t HSA_API hsa_queue_load_read_index_relaxed(
+ const hsa_queue_t *queue);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_load_write_index_scacquire.
+ *
+ * @copydoc hsa_queue_load_write_index_scacquire
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_load_write_index_acquire(
+ const hsa_queue_t *queue);
+
+/**
+ * @brief Atomically load the write index of a queue.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @return Write index of the queue pointed by @p queue.
+ */
+uint64_t HSA_API hsa_queue_load_write_index_scacquire(
+ const hsa_queue_t *queue);
+
+/**
+ * @copydoc hsa_queue_load_write_index_scacquire
+ */
+uint64_t HSA_API hsa_queue_load_write_index_relaxed(
+ const hsa_queue_t *queue);
+
+/**
+ * @brief Atomically set the write index of a queue.
+ *
+ * @details It is recommended that the application uses this function to update
+ * the write index when there is a single agent submitting work to the queue
+ * (the queue type is ::HSA_QUEUE_TYPE_SINGLE).
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @param[in] value Value to assign to the write index.
+ *
+ */
+void HSA_API hsa_queue_store_write_index_relaxed(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_store_write_index_screlease.
+ *
+ * @copydoc hsa_queue_store_write_index_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_queue_store_write_index_release(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_store_write_index_relaxed
+ */
+void HSA_API hsa_queue_store_write_index_screlease(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_cas_write_index_scacq_screl.
+ *
+ * @copydoc hsa_queue_cas_write_index_scacq_screl
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_cas_write_index_acq_rel(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @brief Atomically set the write index of a queue if the observed value is
+ * equal to the expected value. The application can inspect the returned value
+ * to determine if the replacement was done.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @param[in] expected Expected value.
+ *
+ * @param[in] value Value to assign to the write index if @p expected matches
+ * the observed write index. Must be greater than @p expected.
+ *
+ * @return Previous value of the write index.
+ */
+uint64_t HSA_API hsa_queue_cas_write_index_scacq_screl(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_cas_write_index_scacquire.
+ *
+ * @copydoc hsa_queue_cas_write_index_scacquire
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_cas_write_index_acquire(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_cas_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_cas_write_index_scacquire(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_cas_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_cas_write_index_relaxed(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_cas_write_index_screlease.
+ *
+ * @copydoc hsa_queue_cas_write_index_screlease
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_cas_write_index_release(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_cas_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_cas_write_index_screlease(
+ const hsa_queue_t *queue,
+ uint64_t expected,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_add_write_index_scacq_screl.
+ *
+ * @copydoc hsa_queue_add_write_index_scacq_screl
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_add_write_index_acq_rel(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @brief Atomically increment the write index of a queue by an offset.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @param[in] value Value to add to the write index.
+ *
+ * @return Previous value of the write index.
+ */
+uint64_t HSA_API hsa_queue_add_write_index_scacq_screl(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_add_write_index_scacquire.
+ *
+ * @copydoc hsa_queue_add_write_index_scacquire
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_add_write_index_acquire(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_add_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_add_write_index_scacquire(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_add_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_add_write_index_relaxed(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_add_write_index_screlease.
+ *
+ * @copydoc hsa_queue_add_write_index_screlease
+ */
+uint64_t HSA_API HSA_DEPRECATED hsa_queue_add_write_index_release(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_add_write_index_scacq_screl
+ */
+uint64_t HSA_API hsa_queue_add_write_index_screlease(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @brief Atomically set the read index of a queue.
+ *
+ * @details Modifications of the read index are not allowed and result in
+ * undefined behavior if the queue is associated with an agent for which
+ * only the corresponding packet processor is permitted to update the read
+ * index.
+ *
+ * @param[in] queue Pointer to a queue.
+ *
+ * @param[in] value Value to assign to the read index.
+ *
+ */
+void HSA_API hsa_queue_store_read_index_relaxed(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @deprecated Renamed as ::hsa_queue_store_read_index_screlease.
+ *
+ * @copydoc hsa_queue_store_read_index_screlease
+ */
+void HSA_API HSA_DEPRECATED hsa_queue_store_read_index_release(
+ const hsa_queue_t *queue,
+ uint64_t value);
+
+/**
+ * @copydoc hsa_queue_store_read_index_relaxed
+ */
+void HSA_API hsa_queue_store_read_index_screlease(
+ const hsa_queue_t *queue,
+ uint64_t value);
+/** @} */
+
+
+/** \defgroup aql Architected Queuing Language
+ * @{
+ */
+
+/**
+ * @brief Packet type.
+ */
+typedef enum {
+ /**
+ * Vendor-specific packet.
+ */
+ HSA_PACKET_TYPE_VENDOR_SPECIFIC = 0,
+ /**
+ * The packet has been processed in the past, but has not been reassigned to
+ * the packet processor. A packet processor must not process a packet of this
+ * type. All queues support this packet type.
+ */
+ HSA_PACKET_TYPE_INVALID = 1,
+ /**
+ * Packet used by agents for dispatching jobs to kernel agents. Not all
+ * queues support packets of this type (see ::hsa_queue_feature_t).
+ */
+ HSA_PACKET_TYPE_KERNEL_DISPATCH = 2,
+ /**
+ * Packet used by agents to delay processing of subsequent packets, and to
+ * express complex dependencies between multiple packets. All queues support
+ * this packet type.
+ */
+ HSA_PACKET_TYPE_BARRIER_AND = 3,
+ /**
+ * Packet used by agents for dispatching jobs to agents. Not all
+ * queues support packets of this type (see ::hsa_queue_feature_t).
+ */
+ HSA_PACKET_TYPE_AGENT_DISPATCH = 4,
+ /**
+ * Packet used by agents to delay processing of subsequent packets, and to
+ * express complex dependencies between multiple packets. All queues support
+ * this packet type.
+ */
+ HSA_PACKET_TYPE_BARRIER_OR = 5
+} hsa_packet_type_t;
+
+/**
+ * @brief Scope of the memory fence operation associated with a packet.
+ */
+typedef enum {
+ /**
+ * No scope (no fence is applied). The packet relies on external fences to
+ * ensure visibility of memory updates.
+ */
+ HSA_FENCE_SCOPE_NONE = 0,
+ /**
+ * The fence is applied with agent scope for the global segment.
+ */
+ HSA_FENCE_SCOPE_AGENT = 1,
+ /**
+ * The fence is applied across both agent and system scope for the global
+ * segment.
+ */
+ HSA_FENCE_SCOPE_SYSTEM = 2
+} hsa_fence_scope_t;
+
+/**
+ * @brief Sub-fields of the @a header field that is present in any AQL
+ * packet. The offset (with respect to the address of @a header) of a sub-field
+ * is identical to its enumeration constant. The width of each sub-field is
+ * determined by the corresponding value in ::hsa_packet_header_width_t. The
+ * offset and the width are expressed in bits.
+ */
+ typedef enum {
+ /**
+ * Packet type. The value of this sub-field must be one of
+ * ::hsa_packet_type_t. If the type is ::HSA_PACKET_TYPE_VENDOR_SPECIFIC, the
+ * packet layout is vendor-specific.
+ */
+ HSA_PACKET_HEADER_TYPE = 0,
+ /**
+ * Barrier bit. If the barrier bit is set, the processing of the current
+ * packet only launches when all preceding packets (within the same queue) are
+ * complete.
+ */
+ HSA_PACKET_HEADER_BARRIER = 8,
+ /**
+ * Acquire fence scope. The value of this sub-field determines the scope and
+ * type of the memory fence operation applied before the packet enters the
+ * active phase. An acquire fence ensures that any subsequent global segment
+ * or image loads by any unit of execution that belongs to a dispatch that has
+ * not yet entered the active phase on any queue of the same kernel agent,
+ * sees any data previously released at the scopes specified by the acquire
+ * fence. The value of this sub-field must be one of ::hsa_fence_scope_t.
+ */
+ HSA_PACKET_HEADER_SCACQUIRE_FENCE_SCOPE = 9,
+ /**
+ * @deprecated Renamed as ::HSA_PACKET_HEADER_SCACQUIRE_FENCE_SCOPE.
+ */
+ HSA_PACKET_HEADER_ACQUIRE_FENCE_SCOPE = 9,
+ /**
+ * Release fence scope, The value of this sub-field determines the scope and
+ * type of the memory fence operation applied after kernel completion but
+ * before the packet is completed. A release fence makes any global segment or
+ * image data that was stored by any unit of execution that belonged to a
+ * dispatch that has completed the active phase on any queue of the same
+ * kernel agent visible in all the scopes specified by the release fence. The
+ * value of this sub-field must be one of ::hsa_fence_scope_t.
+ */
+ HSA_PACKET_HEADER_SCRELEASE_FENCE_SCOPE = 11,
+ /**
+ * @deprecated Renamed as ::HSA_PACKET_HEADER_SCRELEASE_FENCE_SCOPE.
+ */
+ HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE = 11
+ } hsa_packet_header_t;
+
+/**
+ * @brief Width (in bits) of the sub-fields in ::hsa_packet_header_t.
+ */
+ typedef enum {
+ HSA_PACKET_HEADER_WIDTH_TYPE = 8,
+ HSA_PACKET_HEADER_WIDTH_BARRIER = 1,
+ HSA_PACKET_HEADER_WIDTH_SCACQUIRE_FENCE_SCOPE = 2,
+ /**
+ * @deprecated Use HSA_PACKET_HEADER_WIDTH_SCACQUIRE_FENCE_SCOPE.
+ */
+ HSA_PACKET_HEADER_WIDTH_ACQUIRE_FENCE_SCOPE = 2,
+ HSA_PACKET_HEADER_WIDTH_SCRELEASE_FENCE_SCOPE = 2,
+ /**
+ * @deprecated Use HSA_PACKET_HEADER_WIDTH_SCRELEASE_FENCE_SCOPE.
+ */
+ HSA_PACKET_HEADER_WIDTH_RELEASE_FENCE_SCOPE = 2
+ } hsa_packet_header_width_t;
+
+/**
+ * @brief Sub-fields of the kernel dispatch packet @a setup field. The offset
+ * (with respect to the address of @a setup) of a sub-field is identical to its
+ * enumeration constant. The width of each sub-field is determined by the
+ * corresponding value in ::hsa_kernel_dispatch_packet_setup_width_t. The
+ * offset and the width are expressed in bits.
+ */
+ typedef enum {
+ /**
+ * Number of dimensions of the grid. Valid values are 1, 2, or 3.
+ *
+ */
+ HSA_KERNEL_DISPATCH_PACKET_SETUP_DIMENSIONS = 0
+ } hsa_kernel_dispatch_packet_setup_t;
+
+/**
+ * @brief Width (in bits) of the sub-fields in
+ * ::hsa_kernel_dispatch_packet_setup_t.
+ */
+ typedef enum {
+ HSA_KERNEL_DISPATCH_PACKET_SETUP_WIDTH_DIMENSIONS = 2
+ } hsa_kernel_dispatch_packet_setup_width_t;
+
+/**
+ * @brief AQL kernel dispatch packet
+ */
+typedef struct hsa_kernel_dispatch_packet_s {
+ /**
+ * Packet header. Used to configure multiple packet parameters such as the
+ * packet type. The parameters are described by ::hsa_packet_header_t.
+ */
+ uint16_t header;
+
+ /**
+ * Dispatch setup parameters. Used to configure kernel dispatch parameters
+ * such as the number of dimensions in the grid. The parameters are described
+ * by ::hsa_kernel_dispatch_packet_setup_t.
+ */
+ uint16_t setup;
+
+ /**
+ * X dimension of work-group, in work-items. Must be greater than 0.
+ */
+ uint16_t workgroup_size_x;
+
+ /**
+ * Y dimension of work-group, in work-items. Must be greater than
+ * 0. If the grid has 1 dimension, the only valid value is 1.
+ */
+ uint16_t workgroup_size_y;
+
+ /**
+ * Z dimension of work-group, in work-items. Must be greater than
+ * 0. If the grid has 1 or 2 dimensions, the only valid value is 1.
+ */
+ uint16_t workgroup_size_z;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint16_t reserved0;
+
+ /**
+ * X dimension of grid, in work-items. Must be greater than 0. Must
+ * not be smaller than @a workgroup_size_x.
+ */
+ uint32_t grid_size_x;
+
+ /**
+ * Y dimension of grid, in work-items. Must be greater than 0. If the grid has
+ * 1 dimension, the only valid value is 1. Must not be smaller than @a
+ * workgroup_size_y.
+ */
+ uint32_t grid_size_y;
+
+ /**
+ * Z dimension of grid, in work-items. Must be greater than 0. If the grid has
+ * 1 or 2 dimensions, the only valid value is 1. Must not be smaller than @a
+ * workgroup_size_z.
+ */
+ uint32_t grid_size_z;
+
+ /**
+ * Size in bytes of private memory allocation request (per work-item).
+ */
+ uint32_t private_segment_size;
+
+ /**
+ * Size in bytes of group memory allocation request (per work-group). Must not
+ * be less than the sum of the group memory used by the kernel (and the
+ * functions it calls directly or indirectly) and the dynamically allocated
+ * group segment variables.
+ */
+ uint32_t group_segment_size;
+
+ /**
+ * Opaque handle to a code object that includes an implementation-defined
+ * executable code for the kernel.
+ */
+ uint64_t kernel_object;
+
+#ifdef HSA_LARGE_MODEL
+ void* kernarg_address;
+#elif defined HSA_LITTLE_ENDIAN
+ /**
+ * Pointer to a buffer containing the kernel arguments. May be NULL.
+ *
+ * The buffer must be allocated using ::hsa_memory_allocate, and must not be
+ * modified once the kernel dispatch packet is enqueued until the dispatch has
+ * completed execution.
+ */
+ void* kernarg_address;
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved1;
+#else
+ uint32_t reserved1;
+ void* kernarg_address;
+#endif
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint64_t reserved2;
+
+ /**
+ * Signal used to indicate completion of the job. The application can use the
+ * special signal handle 0 to indicate that no signal is used.
+ */
+ hsa_signal_t completion_signal;
+
+} hsa_kernel_dispatch_packet_t;
+
+/**
+ * @brief Agent dispatch packet.
+ */
+typedef struct hsa_agent_dispatch_packet_s {
+ /**
+ * Packet header. Used to configure multiple packet parameters such as the
+ * packet type. The parameters are described by ::hsa_packet_header_t.
+ */
+ uint16_t header;
+
+ /**
+ * Application-defined function to be performed by the destination agent.
+ */
+ uint16_t type;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved0;
+
+#ifdef HSA_LARGE_MODEL
+ void* return_address;
+#elif defined HSA_LITTLE_ENDIAN
+ /**
+ * Address where to store the function return values, if any.
+ */
+ void* return_address;
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved1;
+#else
+ uint32_t reserved1;
+ void* return_address;
+#endif
+
+ /**
+ * Function arguments.
+ */
+ uint64_t arg[4];
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint64_t reserved2;
+
+ /**
+ * Signal used to indicate completion of the job. The application can use the
+ * special signal handle 0 to indicate that no signal is used.
+ */
+ hsa_signal_t completion_signal;
+
+} hsa_agent_dispatch_packet_t;
+
+/**
+ * @brief Barrier-AND packet.
+ */
+typedef struct hsa_barrier_and_packet_s {
+ /**
+ * Packet header. Used to configure multiple packet parameters such as the
+ * packet type. The parameters are described by ::hsa_packet_header_t.
+ */
+ uint16_t header;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint16_t reserved0;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved1;
+
+ /**
+ * Array of dependent signal objects. Signals with a handle value of 0 are
+ * allowed and are interpreted by the packet processor as satisfied
+ * dependencies.
+ */
+ hsa_signal_t dep_signal[5];
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint64_t reserved2;
+
+ /**
+ * Signal used to indicate completion of the job. The application can use the
+ * special signal handle 0 to indicate that no signal is used.
+ */
+ hsa_signal_t completion_signal;
+
+} hsa_barrier_and_packet_t;
+
+/**
+ * @brief Barrier-OR packet.
+ */
+typedef struct hsa_barrier_or_packet_s {
+ /**
+ * Packet header. Used to configure multiple packet parameters such as the
+ * packet type. The parameters are described by ::hsa_packet_header_t.
+ */
+ uint16_t header;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint16_t reserved0;
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint32_t reserved1;
+
+ /**
+ * Array of dependent signal objects. Signals with a handle value of 0 are
+ * allowed and are interpreted by the packet processor as dependencies not
+ * satisfied.
+ */
+ hsa_signal_t dep_signal[5];
+
+ /**
+ * Reserved. Must be 0.
+ */
+ uint64_t reserved2;
+
+ /**
+ * Signal used to indicate completion of the job. The application can use the
+ * special signal handle 0 to indicate that no signal is used.
+ */
+ hsa_signal_t completion_signal;
+
+} hsa_barrier_or_packet_t;
+
+/** @} */
+
+/** \addtogroup memory Memory
+ * @{
+ */
+
+/**
+ * @brief Memory segments associated with a region.
+ */
+typedef enum {
+ /**
+ * Global segment. Used to hold data that is shared by all agents.
+ */
+ HSA_REGION_SEGMENT_GLOBAL = 0,
+ /**
+ * Read-only segment. Used to hold data that remains constant during the
+ * execution of a kernel.
+ */
+ HSA_REGION_SEGMENT_READONLY = 1,
+ /**
+ * Private segment. Used to hold data that is local to a single work-item.
+ */
+ HSA_REGION_SEGMENT_PRIVATE = 2,
+ /**
+ * Group segment. Used to hold data that is shared by the work-items of a
+ * work-group.
+ */
+ HSA_REGION_SEGMENT_GROUP = 3,
+ /**
+ * Kernarg segment. Used to store kernel arguments.
+ */
+ HSA_REGION_SEGMENT_KERNARG = 4
+} hsa_region_segment_t;
+
+/**
+ * @brief Global region flags.
+ */
+typedef enum {
+ /**
+ * The application can use memory in the region to store kernel arguments, and
+ * provide the values for the kernarg segment of a kernel dispatch. If this
+ * flag is set, then ::HSA_REGION_GLOBAL_FLAG_FINE_GRAINED must be set.
+ */
+ HSA_REGION_GLOBAL_FLAG_KERNARG = 1,
+ /**
+ * Updates to memory in this region are immediately visible to all the
+ * agents under the terms of the HSA memory model. If this
+ * flag is set, then ::HSA_REGION_GLOBAL_FLAG_COARSE_GRAINED must not be set.
+ */
+ HSA_REGION_GLOBAL_FLAG_FINE_GRAINED = 2,
+ /**
+ * Updates to memory in this region can be performed by a single agent at
+ * a time. If a different agent in the system is allowed to access the
+ * region, the application must explicitely invoke ::hsa_memory_assign_agent
+ * in order to transfer ownership to that agent for a particular buffer.
+ */
+ HSA_REGION_GLOBAL_FLAG_COARSE_GRAINED = 4
+} hsa_region_global_flag_t;
+
+/**
+ * @brief Attributes of a memory region.
+ */
+typedef enum {
+ /**
+ * Segment where memory in the region can be used. The type of this
+ * attribute is ::hsa_region_segment_t.
+ */
+ HSA_REGION_INFO_SEGMENT = 0,
+ /**
+ * Flag mask. The value of this attribute is undefined if the value of
+ * ::HSA_REGION_INFO_SEGMENT is not ::HSA_REGION_SEGMENT_GLOBAL. The type of
+ * this attribute is uint32_t, a bit-field of ::hsa_region_global_flag_t
+ * values.
+ */
+ HSA_REGION_INFO_GLOBAL_FLAGS = 1,
+ /**
+ * Size of this region, in bytes. The type of this attribute is size_t.
+ */
+ HSA_REGION_INFO_SIZE = 2,
+ /**
+ * Maximum allocation size in this region, in bytes. Must not exceed the value
+ * of ::HSA_REGION_INFO_SIZE. The type of this attribute is size_t.
+ *
+ * If the region is in the global or readonly segments, this is the maximum
+ * size that the application can pass to ::hsa_memory_allocate.
+ *
+ * If the region is in the group segment, this is the maximum size (per
+ * work-group) that can be requested for a given kernel dispatch. If the
+ * region is in the private segment, this is the maximum size (per work-item)
+ * that can be requested for a specific kernel dispatch, and must be at least
+ * 256 bytes.
+ */
+ HSA_REGION_INFO_ALLOC_MAX_SIZE = 4,
+ /**
+ * Maximum size (per work-group) of private memory that can be requested for a
+ * specific kernel dispatch. Must be at least 65536 bytes. The type of this
+ * attribute is uint32_t. The value of this attribute is undefined if the
+ * region is not in the private segment.
+ */
+ HSA_REGION_INFO_ALLOC_MAX_PRIVATE_WORKGROUP_SIZE = 8,
+ /**
+ * Indicates whether memory in this region can be allocated using
+ * ::hsa_memory_allocate. The type of this attribute is bool.
+ *
+ * The value of this flag is always false for regions in the group and private
+ * segments.
+ */
+ HSA_REGION_INFO_RUNTIME_ALLOC_ALLOWED = 5,
+ /**
+ * Allocation granularity of buffers allocated by ::hsa_memory_allocate in
+ * this region. The size of a buffer allocated in this region is a multiple of
+ * the value of this attribute. The value of this attribute is only defined if
+ * ::HSA_REGION_INFO_RUNTIME_ALLOC_ALLOWED is true for this region. The type
+ * of this attribute is size_t.
+ */
+ HSA_REGION_INFO_RUNTIME_ALLOC_GRANULE = 6,
+ /**
+ * Alignment of buffers allocated by ::hsa_memory_allocate in this region. The
+ * value of this attribute is only defined if
+ * ::HSA_REGION_INFO_RUNTIME_ALLOC_ALLOWED is true for this region, and must be
+ * a power of 2. The type of this attribute is size_t.
+ */
+ HSA_REGION_INFO_RUNTIME_ALLOC_ALIGNMENT = 7
+} hsa_region_info_t;
+
+/**
+ * @brief Get the current value of an attribute of a region.
+ *
+ * @param[in] region A valid region.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to a application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_REGION The region is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * region attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_region_get_info(
+ hsa_region_t region,
+ hsa_region_info_t attribute,
+ void* value);
+
+/**
+ * @brief Iterate over the memory regions associated with a given agent, and
+ * invoke an application-defined callback on every iteration.
+ *
+ * @param[in] agent A valid agent.
+ *
+ * @param[in] callback Callback to be invoked once per region that is
+ * accessible from the agent. The HSA runtime passes two arguments to the
+ * callback, the region and the application data. If @p callback returns a
+ * status other than ::HSA_STATUS_SUCCESS for a particular iteration, the
+ * traversal stops and ::hsa_agent_iterate_regions returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_agent_iterate_regions(
+ hsa_agent_t agent,
+ hsa_status_t (*callback)(hsa_region_t region, void* data),
+ void* data);
+
+/**
+ * @brief Allocate a block of memory in a given region.
+ *
+ * @param[in] region Region where to allocate memory from. The region must have
+ * the ::HSA_REGION_INFO_RUNTIME_ALLOC_ALLOWED flag set.
+ *
+ * @param[in] size Allocation size, in bytes. Must not be zero. This value is
+ * rounded up to the nearest multiple of ::HSA_REGION_INFO_RUNTIME_ALLOC_GRANULE
+ * in @p region.
+ *
+ * @param[out] ptr Pointer to the location where to store the base address of
+ * the allocated block. The returned base address is aligned to the value of
+ * ::HSA_REGION_INFO_RUNTIME_ALLOC_ALIGNMENT in @p region. If the allocation
+ * fails, the returned value is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_REGION The region is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ALLOCATION The host is not allowed to
+ * allocate memory in @p region, or @p size is greater than the value of
+ * HSA_REGION_INFO_ALLOC_MAX_SIZE in @p region.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p ptr is NULL, or @p size is 0.
+ */
+hsa_status_t HSA_API hsa_memory_allocate(hsa_region_t region,
+ size_t size,
+ void** ptr);
+
+/**
+ * @brief Deallocate a block of memory previously allocated using
+ * ::hsa_memory_allocate.
+ *
+ * @param[in] ptr Pointer to a memory block. If @p ptr does not match a value
+ * previously returned by ::hsa_memory_allocate, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ */
+hsa_status_t HSA_API hsa_memory_free(void* ptr);
+
+/**
+ * @brief Copy a block of memory from the location pointed to by @p src to the
+ * memory block pointed to by @p dst.
+ *
+ * @param[out] dst Buffer where the content is to be copied. If @p dst is in
+ * coarse-grained memory, the copied data is only visible to the agent currently
+ * assigned (::hsa_memory_assign_agent) to @p dst.
+ *
+ * @param[in] src A valid pointer to the source of data to be copied. The source
+ * buffer must not overlap with the destination buffer. If the source buffer is
+ * in coarse-grained memory then it must be assigned to an agent, from which the
+ * data will be retrieved.
+ *
+ * @param[in] size Number of bytes to copy. If @p size is 0, no copy is
+ * performed and the function returns success. Copying a number of bytes larger
+ * than the size of the buffers pointed by @p dst or @p src results in undefined
+ * behavior.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT The source or destination
+ * pointers are NULL.
+ */
+hsa_status_t HSA_API hsa_memory_copy(
+ void *dst,
+ const void *src,
+ size_t size);
+
+/**
+ * @brief Change the ownership of a global, coarse-grained buffer.
+ *
+ * @details The contents of a coarse-grained buffer are visible to an agent
+ * only after ownership has been explicitely transferred to that agent. Once the
+ * operation completes, the previous owner cannot longer access the data in the
+ * buffer.
+ *
+ * An implementation of the HSA runtime is allowed, but not required, to change
+ * the physical location of the buffer when ownership is transferred to a
+ * different agent. In general the application must not assume this
+ * behavior. The virtual location (address) of the passed buffer is never
+ * modified.
+ *
+ * @param[in] ptr Base address of a global buffer. The pointer must match an
+ * address previously returned by ::hsa_memory_allocate. The size of the buffer
+ * affected by the ownership change is identical to the size of that previous
+ * allocation. If @p ptr points to a fine-grained global buffer, no operation is
+ * performed and the function returns success. If @p ptr does not point to
+ * global memory, the behavior is undefined.
+ *
+ * @param[in] agent Agent that becomes the owner of the buffer. The
+ * application is responsible for ensuring that @p agent has access to the
+ * region that contains the buffer. It is allowed to change ownership to an
+ * agent that is already the owner of the buffer, with the same or different
+ * access permissions.
+ *
+ * @param[in] access Access permissions requested for the new owner.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p ptr is NULL, or @p access is
+ * not a valid access value.
+ */
+hsa_status_t HSA_API hsa_memory_assign_agent(
+ void *ptr,
+ hsa_agent_t agent,
+ hsa_access_permission_t access);
+
+/**
+ *
+ * @brief Register a global, fine-grained buffer.
+ *
+ * @details Registering a buffer serves as an indication to the HSA runtime that
+ * the memory might be accessed from a kernel agent other than the
+ * host. Registration is a performance hint that allows the HSA runtime
+ * implementation to know which buffers will be accessed by some of the kernel
+ * agents ahead of time.
+ *
+ * Registration is only recommended for buffers in the global segment that have
+ * not been allocated using the HSA allocator (::hsa_memory_allocate), but an OS
+ * allocator instead. Registering an OS-allocated buffer in the base profile is
+ * equivalent to a no-op.
+ *
+ * Registrations should not overlap.
+ *
+ * @param[in] ptr A buffer in global, fine-grained memory. If a NULL pointer is
+ * passed, no operation is performed. If the buffer has been allocated using
+ * ::hsa_memory_allocate, or has already been registered, no operation is
+ * performed.
+ *
+ * @param[in] size Requested registration size in bytes. A size of 0 is
+ * only allowed if @p ptr is NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to allocate
+ * the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p size is 0 but @p ptr
+ * is not NULL.
+ */
+hsa_status_t HSA_API hsa_memory_register(
+ void *ptr,
+ size_t size);
+
+/**
+ *
+ * @brief Deregister memory previously registered using ::hsa_memory_register.
+ *
+ * @details If the memory interval being deregistered does not match a previous
+ * registration (start and end addresses), the behavior is undefined.
+ *
+ * @param[in] ptr A pointer to the base of the buffer to be deregistered. If
+ * a NULL pointer is passed, no operation is performed.
+ *
+ * @param[in] size Size of the buffer to be deregistered.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ */
+hsa_status_t HSA_API hsa_memory_deregister(
+ void *ptr,
+ size_t size);
+
+/** @} */
+
+
+/** \defgroup instruction-set-architecture Instruction Set Architecture.
+ * @{
+ */
+
+/**
+ * @brief Instruction set architecture.
+ */
+typedef struct hsa_isa_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_isa_t;
+
+/**
+ * @brief Retrieve a reference to an instruction set architecture handle out of
+ * a symbolic name.
+ *
+ * @param[in] name Vendor-specific name associated with a a particular
+ * instruction set architecture. @p name must start with the vendor name and a
+ * colon (for example, "AMD:"). The rest of the name is vendor-specific. Must be
+ * a NUL-terminated string.
+ *
+ * @param[out] isa Memory location where the HSA runtime stores the ISA handle
+ * corresponding to the given name. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA_NAME The given name does not
+ * correspond to any instruction set architecture.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p name is NULL, or @p isa is
+ * NULL.
+ */
+hsa_status_t HSA_API hsa_isa_from_name(
+ const char *name,
+ hsa_isa_t *isa);
+
+/**
+ * @brief Iterate over the instruction sets supported by the given agent, and
+ * invoke an application-defined callback on every iteration. The iterator is
+ * deterministic: if an agent supports several instruction set architectures,
+ * they are traversed in the same order in every invocation of this function.
+ *
+ * @param[in] agent A valid agent.
+ *
+ * @param[in] callback Callback to be invoked once per instruction set
+ * architecture. The HSA runtime passes two arguments to the callback: the
+ * ISA and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * that status value is returned.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_agent_iterate_isas(
+ hsa_agent_t agent,
+ hsa_status_t (*callback)(hsa_isa_t isa, void *data),
+ void *data);
+
+/**
+ * @brief Instruction set architecture attributes.
+ */
+typedef enum {
+ /**
+ * The length of the ISA name in bytes, not including the NUL terminator. The
+ * type of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_NAME_LENGTH = 0,
+ /**
+ * Human-readable description. The type of this attribute is character array
+ * with the length equal to the value of ::HSA_ISA_INFO_NAME_LENGTH attribute.
+ */
+ HSA_ISA_INFO_NAME = 1,
+ /**
+ * @deprecated
+ *
+ * Number of call conventions supported by the instruction set architecture.
+ * Must be greater than zero. The type of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_CALL_CONVENTION_COUNT = 2,
+ /**
+ * @deprecated
+ *
+ * Number of work-items in a wavefront for a given call convention. Must be a
+ * power of 2 in the range [1,256]. The type of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_CALL_CONVENTION_INFO_WAVEFRONT_SIZE = 3,
+ /**
+ * @deprecated
+ *
+ * Number of wavefronts per compute unit for a given call convention. In
+ * practice, other factors (for example, the amount of group memory used by a
+ * work-group) may further limit the number of wavefronts per compute
+ * unit. The type of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_CALL_CONVENTION_INFO_WAVEFRONTS_PER_COMPUTE_UNIT = 4,
+ /**
+ * Machine models supported by the instruction set architecture. The type of
+ * this attribute is a bool[2]. If the ISA supports the small machine model,
+ * the element at index ::HSA_MACHINE_MODEL_SMALL is true. If the ISA supports
+ * the large model, the element at index ::HSA_MACHINE_MODEL_LARGE is true.
+ */
+ HSA_ISA_INFO_MACHINE_MODELS = 5,
+ /**
+ * Profiles supported by the instruction set architecture. The type of this
+ * attribute is a bool[2]. If the ISA supports the base profile, the element
+ * at index ::HSA_PROFILE_BASE is true. If the ISA supports the full profile,
+ * the element at index ::HSA_PROFILE_FULL is true.
+ */
+ HSA_ISA_INFO_PROFILES = 6,
+ /**
+ * Default floating-point rounding modes supported by the instruction set
+ * architecture. The type of this attribute is a bool[3]. The value at a given
+ * index is true if the corresponding rounding mode in
+ * ::hsa_default_float_rounding_mode_t is supported. At least one default mode
+ * has to be supported.
+ *
+ * If the default mode is supported, then
+ * ::HSA_ISA_INFO_BASE_PROFILE_DEFAULT_FLOAT_ROUNDING_MODES must report that
+ * both the zero and the near roundings modes are supported.
+ */
+ HSA_ISA_INFO_DEFAULT_FLOAT_ROUNDING_MODES = 7,
+ /**
+ * Default floating-point rounding modes supported by the instruction set
+ * architecture in the Base profile. The type of this attribute is a
+ * bool[3]. The value at a given index is true if the corresponding rounding
+ * mode in ::hsa_default_float_rounding_mode_t is supported. The value at
+ * index HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT must be false. At least one
+ * of the values at indexes ::HSA_DEFAULT_FLOAT_ROUNDING_MODE_ZERO or
+ * HSA_DEFAULT_FLOAT_ROUNDING_MODE_NEAR must be true.
+ */
+ HSA_ISA_INFO_BASE_PROFILE_DEFAULT_FLOAT_ROUNDING_MODES = 8,
+ /**
+ * Flag indicating that the f16 HSAIL operation is at least as fast as the
+ * f32 operation in the instruction set architecture. The type of this
+ * attribute is bool.
+ */
+ HSA_ISA_INFO_FAST_F16_OPERATION = 9,
+ /**
+ * Maximum number of work-items of each dimension of a work-group. Each
+ * maximum must be greater than 0. No maximum can exceed the value of
+ * ::HSA_ISA_INFO_WORKGROUP_MAX_SIZE. The type of this attribute is
+ * uint16_t[3].
+ */
+ HSA_ISA_INFO_WORKGROUP_MAX_DIM = 12,
+ /**
+ * Maximum total number of work-items in a work-group. The type
+ * of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_WORKGROUP_MAX_SIZE = 13,
+ /**
+ * Maximum number of work-items of each dimension of a grid. Each maximum must
+ * be greater than 0, and must not be smaller than the corresponding value in
+ * ::HSA_ISA_INFO_WORKGROUP_MAX_DIM. No maximum can exceed the value of
+ * ::HSA_ISA_INFO_GRID_MAX_SIZE. The type of this attribute is
+ * ::hsa_dim3_t.
+ */
+ HSA_ISA_INFO_GRID_MAX_DIM = 14,
+ /**
+ * Maximum total number of work-items in a grid. The type of this
+ * attribute is uint64_t.
+ */
+ HSA_ISA_INFO_GRID_MAX_SIZE = 16,
+ /**
+ * Maximum number of fbarriers per work-group. Must be at least 32. The
+ * type of this attribute is uint32_t.
+ */
+ HSA_ISA_INFO_FBARRIER_MAX_SIZE = 17
+} hsa_isa_info_t;
+
+/**
+ * @deprecated The concept of call convention has been deprecated. If the
+ * application wants to query the value of an attribute for a given instruction
+ * set architecture, use ::hsa_isa_get_info_alt instead. If the application
+ * wants to query an attribute that is specific to a given combination of ISA
+ * and wavefront, use ::hsa_wavefront_get_info.
+ *
+ * @brief Get the current value of an attribute for a given instruction set
+ * architecture (ISA).
+ *
+ * @param[in] isa A valid instruction set architecture.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[in] index Call convention index. Used only for call convention
+ * attributes, otherwise ignored. Must have a value between 0 (inclusive) and
+ * the value of the attribute ::HSA_ISA_INFO_CALL_CONVENTION_COUNT (not
+ * inclusive) in @p isa.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA The instruction set architecture is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_INDEX The index is out of range.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * instruction set architecture attribute, or @p value is
+ * NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_isa_get_info(
+ hsa_isa_t isa,
+ hsa_isa_info_t attribute,
+ uint32_t index,
+ void *value);
+
+/**
+ * @brief Get the current value of an attribute for a given instruction set
+ * architecture (ISA).
+ *
+ * @param[in] isa A valid instruction set architecture.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA The instruction set architecture is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * instruction set architecture attribute, or @p value is
+ * NULL.
+ */
+hsa_status_t HSA_API hsa_isa_get_info_alt(
+ hsa_isa_t isa,
+ hsa_isa_info_t attribute,
+ void *value);
+
+/**
+ * @brief Retrieve the exception policy support for a given combination of
+ * instruction set architecture and profile.
+ *
+ * @param[in] isa A valid instruction set architecture.
+ *
+ * @param[in] profile Profile.
+ *
+ * @param[out] mask Pointer to a memory location where the HSA runtime stores a
+ * mask of ::hsa_exception_policy_t values. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA The instruction set architecture is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p profile is not a valid
+ * profile, or @p mask is NULL.
+ */
+hsa_status_t HSA_API hsa_isa_get_exception_policies(
+ hsa_isa_t isa,
+ hsa_profile_t profile,
+ uint16_t *mask);
+
+/**
+ * @brief Floating-point types.
+ */
+typedef enum {
+ /**
+ * 16-bit floating-point type.
+ */
+ HSA_FP_TYPE_16 = 1,
+ /**
+ * 32-bit floating-point type.
+ */
+ HSA_FP_TYPE_32 = 2,
+ /**
+ * 64-bit floating-point type.
+ */
+ HSA_FP_TYPE_64 = 4
+} hsa_fp_type_t;
+
+/**
+ * @brief Flush to zero modes.
+ */
+typedef enum {
+ /**
+ * Flush to zero.
+ */
+ HSA_FLUSH_MODE_FTZ = 1,
+ /**
+ * Do not flush to zero.
+ */
+ HSA_FLUSH_MODE_NON_FTZ = 2
+} hsa_flush_mode_t;
+
+/**
+ * @brief Round methods.
+ */
+typedef enum {
+ /**
+ * Single round method.
+ */
+ HSA_ROUND_METHOD_SINGLE = 1,
+ /**
+ * Double round method.
+ */
+ HSA_ROUND_METHOD_DOUBLE = 2
+} hsa_round_method_t;
+
+/**
+ * @brief Retrieve the round method (single or double) used to implement the
+ * floating-point multiply add instruction (mad) for a given combination of
+ * instruction set architecture, floating-point type, and flush to zero
+ * modifier.
+ *
+ * @param[in] isa Instruction set architecture.
+ *
+ * @param[in] fp_type Floating-point type.
+ *
+ * @param[in] flush_mode Flush to zero modifier.
+ *
+ * @param[out] round_method Pointer to a memory location where the HSA
+ * runtime stores the round method used by the implementation. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA The instruction set architecture is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p fp_type is not a valid
+ * floating-point type, or @p flush_mode is not a valid flush to zero modifier,
+ * or @p round_method is NULL.
+ */
+hsa_status_t HSA_API hsa_isa_get_round_method(
+ hsa_isa_t isa,
+ hsa_fp_type_t fp_type,
+ hsa_flush_mode_t flush_mode,
+ hsa_round_method_t *round_method);
+
+/**
+ * @brief Wavefront handle
+ */
+typedef struct hsa_wavefront_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_wavefront_t;
+
+/**
+ * @brief Wavefront attributes.
+ */
+typedef enum {
+ /**
+ * Number of work-items in the wavefront. Must be a power of 2 in the range
+ * [1,256]. The type of this attribute is uint32_t.
+ */
+ HSA_WAVEFRONT_INFO_SIZE = 0
+} hsa_wavefront_info_t;
+
+/**
+ * @brief Get the current value of a wavefront attribute.
+ *
+ * @param[in] wavefront A wavefront.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_WAVEFRONT The wavefront is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * wavefront attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_wavefront_get_info(
+ hsa_wavefront_t wavefront,
+ hsa_wavefront_info_t attribute,
+ void *value);
+
+/**
+ * @brief Iterate over the different wavefronts supported by an instruction set
+ * architecture, and invoke an application-defined callback on every iteration.
+ *
+ * @param[in] isa Instruction set architecture.
+ *
+ * @param[in] callback Callback to be invoked once per wavefront that is
+ * supported by the agent. The HSA runtime passes two arguments to the callback:
+ * the wavefront handle and the application data. If @p callback returns a
+ * status other than ::HSA_STATUS_SUCCESS for a particular iteration, the
+ * traversal stops and that value is returned.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA The instruction set architecture is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_isa_iterate_wavefronts(
+ hsa_isa_t isa,
+ hsa_status_t (*callback)(hsa_wavefront_t wavefront, void *data),
+ void *data);
+
+/**
+ * @deprecated Use ::hsa_agent_iterate_isas to query which instructions set
+ * architectures are supported by a given agent.
+ *
+ * @brief Check if the instruction set architecture of a code object can be
+ * executed on an agent associated with another architecture.
+ *
+ * @param[in] code_object_isa Instruction set architecture associated with a
+ * code object.
+ *
+ * @param[in] agent_isa Instruction set architecture associated with an agent.
+ *
+ * @param[out] result Pointer to a memory location where the HSA runtime stores
+ * the result of the check. If the two architectures are compatible, the result
+ * is true; if they are incompatible, the result is false.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ISA @p code_object_isa or @p agent_isa are
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p result is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_isa_compatible(
+ hsa_isa_t code_object_isa,
+ hsa_isa_t agent_isa,
+ bool *result);
+
+/** @} */
+
+
+/** \defgroup executable Executable
+ * @{
+ */
+
+/**
+ * @brief Code object reader handle. A code object reader is used to
+ * load a code object from file (when created using
+ * ::hsa_code_object_reader_create_from_file), or from memory (if created using
+ * ::hsa_code_object_reader_create_from_memory).
+ */
+typedef struct hsa_code_object_reader_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_code_object_reader_t;
+
+/**
+ * @brief Create a code object reader to operate on a file.
+ *
+ * @param[in] file File descriptor. The file must have been opened by
+ * application with at least read permissions prior calling this function. The
+ * file must contain a vendor-specific code object.
+ *
+ * The file is owned and managed by the application; the lifetime of the file
+ * descriptor must exceed that of any associated code object reader.
+ *
+ * @param[out] code_object_reader Memory location to store the newly created
+ * code object reader handle. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_FILE @p file is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p code_object_reader is NULL.
+ */
+hsa_status_t HSA_API hsa_code_object_reader_create_from_file(
+ hsa_file_t file,
+ hsa_code_object_reader_t *code_object_reader);
+
+/**
+ * @brief Create a code object reader to operate on memory.
+ *
+ * @param[in] code_object Memory buffer that contains a vendor-specific code
+ * object. The buffer is owned and managed by the application; the lifetime of
+ * the buffer must exceed that of any associated code object reader.
+ *
+ * @param[in] size Size of the buffer pointed to by @p code_object. Must not be
+ * 0.
+ *
+ * @param[out] code_object_reader Memory location to store newly created code
+ * object reader handle. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p code_object is NULL, @p size
+ * is zero, or @p code_object_reader is NULL.
+ */
+hsa_status_t HSA_API hsa_code_object_reader_create_from_memory(
+ const void *code_object,
+ size_t size,
+ hsa_code_object_reader_t *code_object_reader);
+
+/**
+ * @brief Destroy a code object reader.
+ *
+ * @details The code object reader handle becomes invalid after completion of
+ * this function. Any file or memory used to create the code object read is not
+ * closed, removed, or deallocated by this function.
+ *
+ * @param[in] code_object_reader Code object reader to destroy.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT_READER @p code_object_reader
+ * is invalid.
+ */
+hsa_status_t HSA_API hsa_code_object_reader_destroy(
+ hsa_code_object_reader_t code_object_reader);
+
+/**
+ * @brief Struct containing an opaque handle to an executable, which contains
+ * ISA for finalized kernels and indirect functions together with the allocated
+ * global or readonly segment variables they reference.
+ */
+typedef struct hsa_executable_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_executable_t;
+
+/**
+ * @brief Executable state.
+ */
+typedef enum {
+ /**
+ * Executable state, which allows the user to load code objects and define
+ * external variables. Variable addresses, kernel code handles, and
+ * indirect function code handles are not available in query operations until
+ * the executable is frozen (zero always returned).
+ */
+ HSA_EXECUTABLE_STATE_UNFROZEN = 0,
+ /**
+ * Executable state, which allows the user to query variable addresses,
+ * kernel code handles, and indirect function code handles using query
+ * operations. Loading new code objects, as well as defining external
+ * variables, is not allowed in this state.
+ */
+ HSA_EXECUTABLE_STATE_FROZEN = 1
+} hsa_executable_state_t;
+
+/**
+ * @deprecated Use ::hsa_executable_create_alt instead, which allows the
+ * application to specify the default floating-point rounding mode of the
+ * executable and assumes an unfrozen initial state.
+ *
+ * @brief Create an empty executable.
+ *
+ * @param[in] profile Profile used in the executable.
+ *
+ * @param[in] executable_state Executable state. If the state is
+ * ::HSA_EXECUTABLE_STATE_FROZEN, the resulting executable is useless because no
+ * code objects can be loaded, and no variables can be defined.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] executable Memory location where the HSA runtime stores the newly
+ * created executable handle.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p profile is invalid, or
+ * @p executable is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_executable_create(
+ hsa_profile_t profile,
+ hsa_executable_state_t executable_state,
+ const char *options,
+ hsa_executable_t *executable);
+
+/**
+ * @brief Create an empty executable.
+ *
+ * @param[in] profile Profile used in the executable.
+ *
+ * @param[in] default_float_rounding_mode Default floating-point rounding mode
+ * used in the executable. Allowed rounding modes are near and zero (default is
+ * not allowed).
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] executable Memory location where the HSA runtime stores newly
+ * created executable handle. The initial state of the executable is
+ * ::HSA_EXECUTABLE_STATE_UNFROZEN.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p profile is invalid, or
+ * @p executable is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_create_alt(
+ hsa_profile_t profile,
+ hsa_default_float_rounding_mode_t default_float_rounding_mode,
+ const char *options,
+ hsa_executable_t *executable);
+
+/**
+ * @brief Destroy an executable.
+ *
+ * @details An executable handle becomes invalid after the executable has been
+ * destroyed. Code object handles that were loaded into this executable are
+ * still valid after the executable has been destroyed, and can be used as
+ * intended. Resources allocated outside and associated with this executable
+ * (such as external global or readonly variables) can be released after the
+ * executable has been destroyed.
+ *
+ * Executable should not be destroyed while kernels are in flight.
+ *
+ * @param[in] executable Executable.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ */
+hsa_status_t HSA_API hsa_executable_destroy(
+ hsa_executable_t executable);
+
+/**
+ * @brief Loaded code object handle.
+ */
+typedef struct hsa_loaded_code_object_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_loaded_code_object_t;
+
+/**
+ * @brief Load a program code object into an executable.
+ *
+ * @details A program code object contains information about resources that are
+ * accessible by all kernel agents that run the executable, and can be loaded
+ * at most once into an executable.
+ *
+ * If the program code object uses extensions, the implementation must support
+ * them for this operation to return successfully.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] code_object_reader A code object reader that holds the program
+ * code object to load. If a code object reader is destroyed before all the
+ * associated executables are destroyed, the behavior is undefined.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] loaded_code_object Pointer to a memory location where the HSA
+ * runtime stores the loaded code object handle. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE The executable is frozen.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT_READER @p code_object_reader
+ * is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INCOMPATIBLE_ARGUMENTS The program code object is
+ * not compatible with the executable or the implementation (for example, the
+ * code object uses an extension that is not supported by the implementation).
+ */
+hsa_status_t HSA_API hsa_executable_load_program_code_object(
+ hsa_executable_t executable,
+ hsa_code_object_reader_t code_object_reader,
+ const char *options,
+ hsa_loaded_code_object_t *loaded_code_object);
+
+/**
+ * @brief Load an agent code object into an executable.
+ *
+ * @details The agent code object contains all defined agent
+ * allocation variables, functions, indirect functions, and kernels in a given
+ * program for a given instruction set architecture.
+ *
+ * Any module linkage declaration must have been defined either by a define
+ * variable or by loading a code object that has a symbol with module linkage
+ * definition.
+ *
+ * The default floating-point rounding mode of the code object associated with
+ * @p code_object_reader must match that of the executable
+ * (::HSA_EXECUTABLE_INFO_DEFAULT_FLOAT_ROUNDING_MODE), or be default (in which
+ * case the value of ::HSA_EXECUTABLE_INFO_DEFAULT_FLOAT_ROUNDING_MODE is used).
+ * If the agent code object uses extensions, the implementation and the agent
+ * must support them for this operation to return successfully.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] agent Agent to load code object for. A code object can be loaded
+ * into an executable at most once for a given agent. The instruction set
+ * architecture of the code object must be supported by the agent.
+ *
+ * @param[in] code_object_reader A code object reader that holds the code object
+ * to load. If a code object reader is destroyed before all the associated
+ * executables are destroyed, the behavior is undefined.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] loaded_code_object Pointer to a memory location where the HSA
+ * runtime stores the loaded code object handle. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE The executable is frozen.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT_READER @p code_object_reader
+ * is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INCOMPATIBLE_ARGUMENTS The code object read by @p
+ * code_object_reader is not compatible with the agent (for example, the agent
+ * does not support the instruction set architecture of the code object), the
+ * executable (for example, there is a default floating-point mode mismatch
+ * between the two), or the implementation.
+ */
+hsa_status_t HSA_API hsa_executable_load_agent_code_object(
+ hsa_executable_t executable,
+ hsa_agent_t agent,
+ hsa_code_object_reader_t code_object_reader,
+ const char *options,
+ hsa_loaded_code_object_t *loaded_code_object);
+
+/**
+ * @brief Freeze the executable.
+ *
+ * @details No modifications to executable can be made after freezing: no code
+ * objects can be loaded to the executable, and no external variables can be
+ * defined. Freezing the executable does not prevent querying the executable's
+ * attributes. The application must define all the external variables in an
+ * executable before freezing it.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_VARIABLE_UNDEFINED One or more variables are
+ * undefined in the executable.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE @p executable is already frozen.
+ */
+hsa_status_t HSA_API hsa_executable_freeze(
+ hsa_executable_t executable,
+ const char *options);
+
+/**
+ * @brief Executable attributes.
+ */
+typedef enum {
+ /**
+ * Profile this executable is created for. The type of this attribute is
+ * ::hsa_profile_t.
+ */
+ HSA_EXECUTABLE_INFO_PROFILE = 1,
+ /**
+ * Executable state. The type of this attribute is ::hsa_executable_state_t.
+ */
+ HSA_EXECUTABLE_INFO_STATE = 2,
+ /**
+ * Default floating-point rounding mode specified when executable was created.
+ * The type of this attribute is ::hsa_default_float_rounding_mode_t.
+ */
+ HSA_EXECUTABLE_INFO_DEFAULT_FLOAT_ROUNDING_MODE = 3
+} hsa_executable_info_t;
+
+/**
+ * @brief Get the current value of an attribute for a given executable.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * executable attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_get_info(
+ hsa_executable_t executable,
+ hsa_executable_info_t attribute,
+ void *value);
+
+/**
+ * @brief Define an external global variable with program allocation.
+ *
+ * @details This function allows the application to provide the definition
+ * of a variable in the global segment memory with program allocation. The
+ * variable must be defined before loading a code object into an executable.
+ * In addition, code objects loaded must not define the variable.
+ *
+ * @param[in] executable Executable. Must not be in frozen state.
+ *
+ * @param[in] variable_name Name of the variable. The Programmer's Reference
+ * Manual describes the standard name mangling scheme.
+ *
+ * @param[in] address Address where the variable is defined. This address must
+ * be in global memory and can be read and written by any agent in the
+ * system. The application cannot deallocate the buffer pointed by @p address
+ * before @p executable is destroyed.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_VARIABLE_ALREADY_DEFINED The variable is
+ * already defined.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no variable with the
+ * @p variable_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE @p executable is frozen.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p variable_name is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_global_variable_define(
+ hsa_executable_t executable,
+ const char *variable_name,
+ void *address);
+
+/**
+ * @brief Define an external global variable with agent allocation.
+ *
+ * @details This function allows the application to provide the definition
+ * of a variable in the global segment memory with agent allocation. The
+ * variable must be defined before loading a code object into an executable.
+ * In addition, code objects loaded must not define the variable.
+ *
+ * @param[in] executable Executable. Must not be in frozen state.
+ *
+ * @param[in] agent Agent for which the variable is being defined.
+ *
+ * @param[in] variable_name Name of the variable. The Programmer's Reference
+ * Manual describes the standard name mangling scheme.
+ *
+ * @param[in] address Address where the variable is defined. This address must
+ * have been previously allocated using ::hsa_memory_allocate in a global region
+ * that is only visible to @p agent. The application cannot deallocate the
+ * buffer pointed by @p address before @p executable is destroyed.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT @p agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_VARIABLE_ALREADY_DEFINED The variable is
+ * already defined.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no variable with the
+ * @p variable_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE @p executable is frozen.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p variable_name is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_agent_global_variable_define(
+ hsa_executable_t executable,
+ hsa_agent_t agent,
+ const char *variable_name,
+ void *address);
+
+/**
+ * @brief Define an external readonly variable.
+ *
+ * @details This function allows the application to provide the definition
+ * of a variable in the readonly segment memory. The variable must be defined
+ * before loading a code object into an executable. In addition, code objects
+ * loaded must not define the variable.
+ *
+ * @param[in] executable Executable. Must not be in frozen state.
+ *
+ * @param[in] agent Agent for which the variable is being defined.
+ *
+ * @param[in] variable_name Name of the variable. The Programmer's Reference
+ * Manual describes the standard name mangling scheme.
+ *
+ * @param[in] address Address where the variable is defined. This address must
+ * have been previously allocated using ::hsa_memory_allocate in a readonly
+ * region associated with @p agent. The application cannot deallocate the buffer
+ * pointed by @p address before @p executable is destroyed.
+ *
+ * @param[in] address Address where the variable is defined. The buffer pointed
+ * by @p address is owned by the application, and cannot be deallocated before
+ * @p executable is destroyed.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE Executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT @p agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_VARIABLE_ALREADY_DEFINED The variable is
+ * already defined.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no variable with the
+ * @p variable_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE @p executable is frozen.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p variable_name is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_readonly_variable_define(
+ hsa_executable_t executable,
+ hsa_agent_t agent,
+ const char *variable_name,
+ void *address);
+
+/**
+ * @brief Validate an executable. Checks that all code objects have matching
+ * machine model, profile, and default floating-point rounding mode. Checks that
+ * all declarations have definitions. Checks declaration-definition
+ * compatibility (see the HSA Programming Reference Manual for compatibility
+ * rules). Invoking this function is equivalent to invoking
+ * ::hsa_executable_validate_alt with no options.
+ *
+ * @param[in] executable Executable. Must be in frozen state.
+ *
+ * @param[out] result Memory location where the HSA runtime stores the
+ * validation result. If the executable passes validation, the result is 0.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE @p executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p result is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_validate(
+ hsa_executable_t executable,
+ uint32_t *result);
+
+/**
+ * @brief Validate an executable. Checks that all code objects have matching
+ * machine model, profile, and default floating-point rounding mode. Checks that
+ * all declarations have definitions. Checks declaration-definition
+ * compatibility (see the HSA Programming Reference Manual for compatibility
+ * rules).
+ *
+ * @param[in] executable Executable. Must be in frozen state.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] result Memory location where the HSA runtime stores the
+ * validation result. If the executable passes validation, the result is 0.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE @p executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p result is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_validate_alt(
+ hsa_executable_t executable,
+ const char *options,
+ uint32_t *result);
+
+/**
+ * @brief Executable symbol handle.
+ *
+ * The lifetime of an executable object symbol matches that of the executable
+ * associated with it. An operation on a symbol whose associated executable has
+ * been destroyed results in undefined behavior.
+ */
+typedef struct hsa_executable_symbol_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_executable_symbol_t;
+
+/**
+ * @deprecated Use ::hsa_executable_get_symbol_by_name instead.
+ *
+ * @brief Get the symbol handle for a given a symbol name.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] module_name Module name. Must be NULL if the symbol has
+ * program linkage.
+ *
+ * @param[in] symbol_name Symbol name.
+ *
+ * @param[in] agent Agent associated with the symbol. If the symbol is
+ * independent of any agent (for example, a variable with program
+ * allocation), this argument is ignored.
+ *
+ * @param[in] call_convention Call convention associated with the symbol. If the
+ * symbol does not correspond to an indirect function, this argument is ignored.
+ *
+ * @param[out] symbol Memory location where the HSA runtime stores the symbol
+ * handle.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no symbol with a name
+ * that matches @p symbol_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p symbol_name is NULL, or
+ * @p symbol is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_executable_get_symbol(
+ hsa_executable_t executable,
+ const char *module_name,
+ const char *symbol_name,
+ hsa_agent_t agent,
+ int32_t call_convention,
+ hsa_executable_symbol_t *symbol);
+
+/**
+ * @brief Retrieve the symbol handle corresponding to a given a symbol name.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] symbol_name Symbol name. Must be a NUL-terminated character
+ * array. The Programmer's Reference Manual describes the standard name mangling
+ * scheme.
+ *
+ * @param[in] agent Pointer to the agent for which the symbol with the given
+ * name is defined. If the symbol corresponding to the given name has program
+ * allocation, @p agent must be NULL.
+ *
+ * @param[out] symbol Memory location where the HSA runtime stores the symbol
+ * handle. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no symbol with a name
+ * that matches @p symbol_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p symbol_name is NULL, or @p
+ * symbol is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_get_symbol_by_name(
+ hsa_executable_t executable,
+ const char *symbol_name,
+ const hsa_agent_t *agent,
+ hsa_executable_symbol_t *symbol);
+
+/**
+ * @brief Symbol type.
+ */
+typedef enum {
+ /**
+ * Variable.
+ */
+ HSA_SYMBOL_KIND_VARIABLE = 0,
+ /**
+ * Kernel.
+ */
+ HSA_SYMBOL_KIND_KERNEL = 1,
+ /**
+ * Indirect function.
+ */
+ HSA_SYMBOL_KIND_INDIRECT_FUNCTION = 2
+} hsa_symbol_kind_t;
+
+/**
+ * @brief Linkage type of a symbol.
+ */
+typedef enum {
+ /**
+ * Module linkage.
+ */
+ HSA_SYMBOL_LINKAGE_MODULE = 0,
+ /**
+ * Program linkage.
+ */
+ HSA_SYMBOL_LINKAGE_PROGRAM = 1
+} hsa_symbol_linkage_t;
+
+/**
+ * @brief Allocation type of a variable.
+ */
+typedef enum {
+ /**
+ * Agent allocation.
+ */
+ HSA_VARIABLE_ALLOCATION_AGENT = 0,
+ /**
+ * Program allocation.
+ */
+ HSA_VARIABLE_ALLOCATION_PROGRAM = 1
+} hsa_variable_allocation_t;
+
+/**
+ * @brief Memory segment associated with a variable.
+ */
+typedef enum {
+ /**
+ * Global memory segment.
+ */
+ HSA_VARIABLE_SEGMENT_GLOBAL = 0,
+ /**
+ * Readonly memory segment.
+ */
+ HSA_VARIABLE_SEGMENT_READONLY = 1
+} hsa_variable_segment_t;
+
+/**
+ * @brief Executable symbol attributes.
+ */
+typedef enum {
+ /**
+ * The kind of the symbol. The type of this attribute is ::hsa_symbol_kind_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_TYPE = 0,
+ /**
+ * The length of the symbol name in bytes, not including the NUL terminator.
+ * The type of this attribute is uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_NAME_LENGTH = 1,
+ /**
+ * The name of the symbol. The type of this attribute is character array with
+ * the length equal to the value of ::HSA_EXECUTABLE_SYMBOL_INFO_NAME_LENGTH
+ * attribute.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_NAME = 2,
+ /**
+ * @deprecated
+ *
+ * The length of the module name in bytes (not including the NUL terminator)
+ * to which this symbol belongs if this symbol has module linkage, otherwise 0
+ * is returned. The type of this attribute is uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_MODULE_NAME_LENGTH = 3,
+ /**
+ * @deprecated
+ *
+ * The module name to which this symbol belongs if this symbol has module
+ * linkage, otherwise an empty string is returned. The type of this attribute
+ * is character array with the length equal to the value of
+ * ::HSA_EXECUTABLE_SYMBOL_INFO_MODULE_NAME_LENGTH attribute.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_MODULE_NAME = 4,
+ /**
+ * @deprecated
+ *
+ * Agent associated with this symbol. If the symbol is a variable, the
+ * value of this attribute is only defined if
+ * ::HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_ALLOCATION is
+ * ::HSA_VARIABLE_ALLOCATION_AGENT. The type of this attribute is hsa_agent_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_AGENT = 20,
+ /**
+ * The address of the variable. The value of this attribute is undefined if
+ * the symbol is not a variable. The type of this attribute is uint64_t.
+ *
+ * If executable's state is ::HSA_EXECUTABLE_STATE_UNFROZEN, then 0 is
+ * returned.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_ADDRESS = 21,
+ /**
+ * The linkage kind of the symbol. The type of this attribute is
+ * ::hsa_symbol_linkage_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_LINKAGE = 5,
+ /**
+ * Indicates whether the symbol corresponds to a definition. The type of this
+ * attribute is bool.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_IS_DEFINITION = 17,
+ /**
+ * @deprecated
+ *
+ * The allocation kind of the variable. The value of this attribute is
+ * undefined if the symbol is not a variable. The type of this attribute is
+ * ::hsa_variable_allocation_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_ALLOCATION = 6,
+ /**
+ * @deprecated
+ *
+ * The segment kind of the variable. The value of this attribute is undefined
+ * if the symbol is not a variable. The type of this attribute is
+ * ::hsa_variable_segment_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_SEGMENT = 7,
+ /**
+ * @deprecated
+ *
+ * Alignment of the symbol in memory. The value of this attribute is undefined
+ * if the symbol is not a variable. The type of this attribute is uint32_t.
+ *
+ * The current alignment of the variable in memory may be greater than the
+ * value specified in the source program variable declaration.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_ALIGNMENT = 8,
+ /**
+ * @deprecated
+ *
+ * Size of the variable. The value of this attribute is undefined if
+ * the symbol is not a variable. The type of this attribute is uint32_t.
+ *
+ * A value of 0 is returned if the variable is an external variable and has an
+ * unknown dimension.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_SIZE = 9,
+ /**
+ * @deprecated
+ *
+ * Indicates whether the variable is constant. The value of this attribute is
+ * undefined if the symbol is not a variable. The type of this attribute is
+ * bool.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_VARIABLE_IS_CONST = 10,
+ /**
+ * Kernel object handle, used in the kernel dispatch packet. The value of this
+ * attribute is undefined if the symbol is not a kernel. The type of this
+ * attribute is uint64_t.
+ *
+ * If the state of the executable is ::HSA_EXECUTABLE_STATE_UNFROZEN, then 0
+ * is returned.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT = 22,
+ /**
+ * Size of kernarg segment memory that is required to hold the values of the
+ * kernel arguments, in bytes. Must be a multiple of 16. The value of this
+ * attribute is undefined if the symbol is not a kernel. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE = 11,
+ /**
+ * Alignment (in bytes) of the buffer used to pass arguments to the kernel,
+ * which is the maximum of 16 and the maximum alignment of any of the kernel
+ * arguments. The value of this attribute is undefined if the symbol is not a
+ * kernel. The type of this attribute is uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_ALIGNMENT = 12,
+ /**
+ * Size of static group segment memory required by the kernel (per
+ * work-group), in bytes. The value of this attribute is undefined
+ * if the symbol is not a kernel. The type of this attribute is uint32_t.
+ *
+ * The reported amount does not include any dynamically allocated group
+ * segment memory that may be requested by the application when a kernel is
+ * dispatched.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE = 13,
+ /**
+ * Size of static private, spill, and arg segment memory required by
+ * this kernel (per work-item), in bytes. The value of this attribute is
+ * undefined if the symbol is not a kernel. The type of this attribute is
+ * uint32_t.
+ *
+ * If the value of ::HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_DYNAMIC_CALLSTACK is
+ * true, the kernel may use more private memory than the reported value, and
+ * the application must add the dynamic call stack usage to @a
+ * private_segment_size when populating a kernel dispatch packet.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE = 14,
+ /**
+ * Dynamic callstack flag. The value of this attribute is undefined if the
+ * symbol is not a kernel. The type of this attribute is bool.
+ *
+ * If this flag is set (the value is true), the kernel uses a dynamically
+ * sized call stack. This can happen if recursive calls, calls to indirect
+ * functions, or the HSAIL alloca instruction are present in the kernel.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_DYNAMIC_CALLSTACK = 15,
+ /**
+ * @deprecated
+ *
+ * Call convention of the kernel. The value of this attribute is undefined if
+ * the symbol is not a kernel. The type of this attribute is uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_CALL_CONVENTION = 18,
+ /**
+ * Indirect function object handle. The value of this attribute is undefined
+ * if the symbol is not an indirect function, or the associated agent does
+ * not support the Full Profile. The type of this attribute depends on the
+ * machine model: the type is uint32_t for small machine model, and uint64_t
+ * for large model.
+ *
+ * If the state of the executable is ::HSA_EXECUTABLE_STATE_UNFROZEN, then 0
+ * is returned.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_INDIRECT_FUNCTION_OBJECT = 23,
+ /**
+ * @deprecated
+ *
+ * Call convention of the indirect function. The value of this attribute is
+ * undefined if the symbol is not an indirect function, or the associated
+ * agent does not support the Full Profile. The type of this attribute is
+ * uint32_t.
+ */
+ HSA_EXECUTABLE_SYMBOL_INFO_INDIRECT_FUNCTION_CALL_CONVENTION = 16
+} hsa_executable_symbol_info_t;
+
+/**
+ * @brief Get the current value of an attribute for a given executable symbol.
+ *
+ * @param[in] executable_symbol Executable symbol.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE_SYMBOL The executable symbol is
+ * invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * executable symbol attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_symbol_get_info(
+ hsa_executable_symbol_t executable_symbol,
+ hsa_executable_symbol_info_t attribute,
+ void *value);
+
+/**
+ * @deprecated
+ *
+ * @brief Iterate over the symbols in a executable, and invoke an
+ * application-defined callback on every iteration.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] callback Callback to be invoked once per executable symbol. The
+ * HSA runtime passes three arguments to the callback: the executable, a symbol,
+ * and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * ::hsa_executable_iterate_symbols returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_executable_iterate_symbols(
+ hsa_executable_t executable,
+ hsa_status_t (*callback)(hsa_executable_t exec,
+ hsa_executable_symbol_t symbol,
+ void *data),
+ void *data);
+
+/**
+ * @brief Iterate over the kernels, indirect functions, and agent allocation
+ * variables in an executable for a given agent, and invoke an application-
+ * defined callback on every iteration.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] agent Agent.
+ *
+ * @param[in] callback Callback to be invoked once per executable symbol. The
+ * HSA runtime passes three arguments to the callback: the executable, a symbol,
+ * and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * ::hsa_executable_iterate_symbols returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_iterate_agent_symbols(
+ hsa_executable_t executable,
+ hsa_agent_t agent,
+ hsa_status_t (*callback)(hsa_executable_t exec,
+ hsa_agent_t agent,
+ hsa_executable_symbol_t symbol,
+ void *data),
+ void *data);
+
+/**
+ * @brief Iterate over the program allocation variables in an executable, and
+ * invoke an application-defined callback on every iteration.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] callback Callback to be invoked once per executable symbol. The
+ * HSA runtime passes three arguments to the callback: the executable, a symbol,
+ * and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * ::hsa_executable_iterate_symbols returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API hsa_executable_iterate_program_symbols(
+ hsa_executable_t executable,
+ hsa_status_t (*callback)(hsa_executable_t exec,
+ hsa_executable_symbol_t symbol,
+ void *data),
+ void *data);
+
+/** @} */
+
+
+/** \defgroup code-object Code Objects (deprecated).
+ * @{
+ */
+
+/**
+ * @deprecated
+ *
+ * @brief Struct containing an opaque handle to a code object, which contains
+ * ISA for finalized kernels and indirect functions together with information
+ * about the global or readonly segment variables they reference.
+ */
+typedef struct hsa_code_object_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_code_object_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Application data handle that is passed to the serialization
+ * and deserialization functions.
+ */
+typedef struct hsa_callback_data_s {
+ /**
+ * Opaque handle.
+ */
+ uint64_t handle;
+} hsa_callback_data_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Serialize a code object. Can be used for offline finalization,
+ * install-time finalization, disk code caching, etc.
+ *
+ * @param[in] code_object Code object.
+ *
+ * @param[in] alloc_callback Callback function for memory allocation. Must not
+ * be NULL. The HSA runtime passes three arguments to the callback: the
+ * allocation size, the application data, and a pointer to a memory location
+ * where the application stores the allocation result. The HSA runtime invokes
+ * @p alloc_callback once to allocate a buffer that contains the serialized
+ * version of @p code_object. If the callback returns a status code other than
+ * ::HSA_STATUS_SUCCESS, this function returns the same code.
+ *
+ * @param[in] callback_data Application data that is passed to @p
+ * alloc_callback. May be NULL.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] serialized_code_object Memory location where the HSA runtime
+ * stores a pointer to the serialized code object. Must not be NULL.
+ *
+ * @param[out] serialized_code_object_size Memory location where the HSA runtime
+ * stores the size (in bytes) of @p serialized_code_object. The returned value
+ * matches the allocation size passed by the HSA runtime to @p
+ * alloc_callback. Must not be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p alloc_callback, @p
+ * serialized_code_object, or @p serialized_code_object_size are NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_serialize(
+ hsa_code_object_t code_object,
+ hsa_status_t (*alloc_callback)(size_t size,
+ hsa_callback_data_t data,
+ void **address),
+ hsa_callback_data_t callback_data,
+ const char *options,
+ void **serialized_code_object,
+ size_t *serialized_code_object_size);
+
+/**
+ * @deprecated
+ *
+ * @brief Deserialize a code object.
+ *
+ * @param[in] serialized_code_object A serialized code object. Must not be NULL.
+ *
+ * @param[in] serialized_code_object_size The size (in bytes) of @p
+ * serialized_code_object. Must not be 0.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @param[out] code_object Memory location where the HSA runtime stores the
+ * deserialized code object.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p serialized_code_object, or @p
+ * code_object are NULL, or @p serialized_code_object_size is 0.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_deserialize(
+ void *serialized_code_object,
+ size_t serialized_code_object_size,
+ const char *options,
+ hsa_code_object_t *code_object);
+
+/**
+ * @deprecated
+ *
+ * @brief Destroy a code object.
+ *
+ * @details The lifetime of a code object must exceed that of any executable
+ * where it has been loaded. If an executable that loaded @p code_object has not
+ * been destroyed, the behavior is undefined.
+ *
+ * @param[in] code_object Code object. The handle becomes invalid after it has
+ * been destroyed.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_destroy(
+ hsa_code_object_t code_object);
+
+/**
+ * @deprecated
+ *
+ * @brief Code object type.
+ */
+typedef enum {
+ /**
+ * Produces code object that contains ISA for all kernels and indirect
+ * functions in HSA source.
+ */
+ HSA_CODE_OBJECT_TYPE_PROGRAM = 0
+} hsa_code_object_type_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Code object attributes.
+ */
+typedef enum {
+ /**
+ * The version of the code object. The type of this attribute is a
+ * NUL-terminated char[64]. The name must be at most 63 characters long (not
+ * including the NUL terminator) and all array elements not used for the name
+ * must be NUL.
+ */
+ HSA_CODE_OBJECT_INFO_VERSION = 0,
+ /**
+ * Type of code object. The type of this attribute is
+ * ::hsa_code_object_type_t.
+ */
+ HSA_CODE_OBJECT_INFO_TYPE = 1,
+ /**
+ * Instruction set architecture this code object is produced for. The type of
+ * this attribute is ::hsa_isa_t.
+ */
+ HSA_CODE_OBJECT_INFO_ISA = 2,
+ /**
+ * Machine model this code object is produced for. The type of this attribute
+ * is ::hsa_machine_model_t.
+ */
+ HSA_CODE_OBJECT_INFO_MACHINE_MODEL = 3,
+ /**
+ * Profile this code object is produced for. The type of this attribute is
+ * ::hsa_profile_t.
+ */
+ HSA_CODE_OBJECT_INFO_PROFILE = 4,
+ /**
+ * Default floating-point rounding mode used when the code object is
+ * produced. The type of this attribute is
+ * ::hsa_default_float_rounding_mode_t.
+ */
+ HSA_CODE_OBJECT_INFO_DEFAULT_FLOAT_ROUNDING_MODE = 5
+} hsa_code_object_info_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Get the current value of an attribute for a given code object.
+ *
+ * @param[in] code_object Code object.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * code object attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_get_info(
+ hsa_code_object_t code_object,
+ hsa_code_object_info_t attribute,
+ void *value);
+
+/**
+ * @deprecated
+ *
+ * @brief Load code object into the executable.
+ *
+ * @details Every global or readonly variable that is external must be defined
+ * before loading the code object. An internal global or readonly variable is
+ * allocated once the code object, that is being loaded, references this
+ * variable and this variable is not allocated.
+ *
+ * Any module linkage declaration must have been defined either by a define
+ * variable or by loading a code object that has a symbol with module linkage
+ * definition.
+ *
+ * @param[in] executable Executable.
+ *
+ * @param[in] agent Agent to load code object for. The agent must support the
+ * default floating-point rounding mode used by @p code_object.
+ *
+ * @param[in] code_object Code object to load. The lifetime of the code object
+ * must exceed that of the executable: if @p code_object is destroyed before @p
+ * executable, the behavior is undefined.
+ *
+ * @param[in] options Standard and vendor-specific options. Unknown options are
+ * ignored. A standard option begins with the "-hsa_" prefix. Options beginning
+ * with the "-hsa_ext_<extension_name>_" prefix are reserved for extensions. A
+ * vendor-specific option begins with the "-<vendor_name>_" prefix. Must be a
+ * NUL-terminated string. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_OUT_OF_RESOURCES The HSA runtime failed to
+ * allocate the required resources.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_EXECUTABLE The executable is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_AGENT The agent is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INCOMPATIBLE_ARGUMENTS @p agent is not compatible
+ * with @p code_object (for example, @p agent does not support the default
+ * floating-point rounding mode specified by @p code_object), or @p code_object
+ * is not compatible with @p executable (for example, @p code_object and @p
+ * executable have different machine models or profiles).
+ *
+ * @retval ::HSA_STATUS_ERROR_FROZEN_EXECUTABLE @p executable is frozen.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_executable_load_code_object(
+ hsa_executable_t executable,
+ hsa_agent_t agent,
+ hsa_code_object_t code_object,
+ const char *options);
+
+/**
+ * @deprecated
+ *
+ * @brief Code object symbol handle.
+ *
+ * The lifetime of a code object symbol matches that of the code object
+ * associated with it. An operation on a symbol whose associated code object has
+ * been destroyed results in undefined behavior.
+ */
+typedef struct hsa_code_symbol_s {
+ /**
+ * Opaque handle. Two handles reference the same object of the enclosing type
+ * if and only if they are equal.
+ */
+ uint64_t handle;
+} hsa_code_symbol_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Get the symbol handle within a code object for a given a symbol name.
+ *
+ * @param[in] code_object Code object.
+ *
+ * @param[in] symbol_name Symbol name.
+ *
+ * @param[out] symbol Memory location where the HSA runtime stores the symbol
+ * handle.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no symbol with a name
+ * that matches @p symbol_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p symbol_name is NULL, or
+ * @p symbol is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_get_symbol(
+ hsa_code_object_t code_object,
+ const char *symbol_name,
+ hsa_code_symbol_t *symbol);
+
+/**
+ * @deprecated
+ *
+ * @brief Get the symbol handle within a code object for a given a symbol name.
+ *
+ * @param[in] code_object Code object.
+ *
+ * @param[in] module_name Module name. Must be NULL if the symbol has
+ * program linkage.
+ *
+ * @param[in] symbol_name Symbol name.
+ *
+ * @param[out] symbol Memory location where the HSA runtime stores the symbol
+ * handle.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_SYMBOL_NAME There is no symbol with a name
+ * that matches @p symbol_name.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p symbol_name is NULL, or
+ * @p symbol is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_get_symbol_from_name(
+ hsa_code_object_t code_object,
+ const char *module_name,
+ const char *symbol_name,
+ hsa_code_symbol_t *symbol);
+
+/**
+ * @deprecated
+ *
+ * @brief Code object symbol attributes.
+ */
+typedef enum {
+ /**
+ * The type of the symbol. The type of this attribute is ::hsa_symbol_kind_t.
+ */
+ HSA_CODE_SYMBOL_INFO_TYPE = 0,
+ /**
+ * The length of the symbol name in bytes, not including the NUL terminator.
+ * The type of this attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_NAME_LENGTH = 1,
+ /**
+ * The name of the symbol. The type of this attribute is character array with
+ * the length equal to the value of ::HSA_CODE_SYMBOL_INFO_NAME_LENGTH
+ * attribute.
+ */
+ HSA_CODE_SYMBOL_INFO_NAME = 2,
+ /**
+ * The length of the module name in bytes (not including the NUL terminator)
+ * to which this symbol belongs if this symbol has module linkage, otherwise 0
+ * is returned. The type of this attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_MODULE_NAME_LENGTH = 3,
+ /**
+ * The module name to which this symbol belongs if this symbol has module
+ * linkage, otherwise an empty string is returned. The type of this attribute
+ * is character array with the length equal to the value of
+ * ::HSA_CODE_SYMBOL_INFO_MODULE_NAME_LENGTH attribute.
+ */
+ HSA_CODE_SYMBOL_INFO_MODULE_NAME = 4,
+ /**
+ * The linkage kind of the symbol. The type of this attribute is
+ * ::hsa_symbol_linkage_t.
+ */
+ HSA_CODE_SYMBOL_INFO_LINKAGE = 5,
+ /**
+ * Indicates whether the symbol corresponds to a definition. The type of this
+ * attribute is bool.
+ */
+ HSA_CODE_SYMBOL_INFO_IS_DEFINITION = 17,
+ /**
+ * The allocation kind of the variable. The value of this attribute is
+ * undefined if the symbol is not a variable. The type of this attribute is
+ * ::hsa_variable_allocation_t.
+ */
+ HSA_CODE_SYMBOL_INFO_VARIABLE_ALLOCATION = 6,
+ /**
+ * The segment kind of the variable. The value of this attribute is
+ * undefined if the symbol is not a variable. The type of this attribute is
+ * ::hsa_variable_segment_t.
+ */
+ HSA_CODE_SYMBOL_INFO_VARIABLE_SEGMENT = 7,
+ /**
+ * Alignment of the symbol in memory. The value of this attribute is undefined
+ * if the symbol is not a variable. The type of this attribute is uint32_t.
+ *
+ * The current alignment of the variable in memory may be greater than the
+ * value specified in the source program variable declaration.
+ */
+ HSA_CODE_SYMBOL_INFO_VARIABLE_ALIGNMENT = 8,
+ /**
+ * Size of the variable. The value of this attribute is undefined if the
+ * symbol is not a variable. The type of this attribute is uint32_t.
+ *
+ * A size of 0 is returned if the variable is an external variable and has an
+ * unknown dimension.
+ */
+ HSA_CODE_SYMBOL_INFO_VARIABLE_SIZE = 9,
+ /**
+ * Indicates whether the variable is constant. The value of this attribute is
+ * undefined if the symbol is not a variable. The type of this attribute is
+ * bool.
+ */
+ HSA_CODE_SYMBOL_INFO_VARIABLE_IS_CONST = 10,
+ /**
+ * Size of kernarg segment memory that is required to hold the values of the
+ * kernel arguments, in bytes. Must be a multiple of 16. The value of this
+ * attribute is undefined if the symbol is not a kernel. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE = 11,
+ /**
+ * Alignment (in bytes) of the buffer used to pass arguments to the kernel,
+ * which is the maximum of 16 and the maximum alignment of any of the kernel
+ * arguments. The value of this attribute is undefined if the symbol is not a
+ * kernel. The type of this attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_ALIGNMENT = 12,
+ /**
+ * Size of static group segment memory required by the kernel (per
+ * work-group), in bytes. The value of this attribute is undefined
+ * if the symbol is not a kernel. The type of this attribute is uint32_t.
+ *
+ * The reported amount does not include any dynamically allocated group
+ * segment memory that may be requested by the application when a kernel is
+ * dispatched.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE = 13,
+ /**
+ * Size of static private, spill, and arg segment memory required by
+ * this kernel (per work-item), in bytes. The value of this attribute is
+ * undefined if the symbol is not a kernel. The type of this attribute is
+ * uint32_t.
+ *
+ * If the value of ::HSA_CODE_SYMBOL_INFO_KERNEL_DYNAMIC_CALLSTACK is true,
+ * the kernel may use more private memory than the reported value, and the
+ * application must add the dynamic call stack usage to @a
+ * private_segment_size when populating a kernel dispatch packet.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE = 14,
+ /**
+ * Dynamic callstack flag. The value of this attribute is undefined if the
+ * symbol is not a kernel. The type of this attribute is bool.
+ *
+ * If this flag is set (the value is true), the kernel uses a dynamically
+ * sized call stack. This can happen if recursive calls, calls to indirect
+ * functions, or the HSAIL alloca instruction are present in the kernel.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_DYNAMIC_CALLSTACK = 15,
+ /**
+ * Call convention of the kernel. The value of this attribute is undefined if
+ * the symbol is not a kernel. The type of this attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_KERNEL_CALL_CONVENTION = 18,
+ /**
+ * Call convention of the indirect function. The value of this attribute is
+ * undefined if the symbol is not an indirect function. The type of this
+ * attribute is uint32_t.
+ */
+ HSA_CODE_SYMBOL_INFO_INDIRECT_FUNCTION_CALL_CONVENTION = 16
+} hsa_code_symbol_info_t;
+
+/**
+ * @deprecated
+ *
+ * @brief Get the current value of an attribute for a given code symbol.
+ *
+ * @param[in] code_symbol Code symbol.
+ *
+ * @param[in] attribute Attribute to query.
+ *
+ * @param[out] value Pointer to an application-allocated buffer where to store
+ * the value of the attribute. If the buffer passed by the application is not
+ * large enough to hold the value of @p attribute, the behavior is undefined.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_SYMBOL The code symbol is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p attribute is an invalid
+ * code symbol attribute, or @p value is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_symbol_get_info(
+ hsa_code_symbol_t code_symbol,
+ hsa_code_symbol_info_t attribute,
+ void *value);
+
+/**
+ * @deprecated
+ *
+ * @brief Iterate over the symbols in a code object, and invoke an
+ * application-defined callback on every iteration.
+ *
+ * @param[in] code_object Code object.
+ *
+ * @param[in] callback Callback to be invoked once per code object symbol. The
+ * HSA runtime passes three arguments to the callback: the code object, a
+ * symbol, and the application data. If @p callback returns a status other than
+ * ::HSA_STATUS_SUCCESS for a particular iteration, the traversal stops and
+ * ::hsa_code_object_iterate_symbols returns that status value.
+ *
+ * @param[in] data Application data that is passed to @p callback on every
+ * iteration. May be NULL.
+ *
+ * @retval ::HSA_STATUS_SUCCESS The function has been executed successfully.
+ *
+ * @retval ::HSA_STATUS_ERROR_NOT_INITIALIZED The HSA runtime has not been
+ * initialized.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_CODE_OBJECT @p code_object is invalid.
+ *
+ * @retval ::HSA_STATUS_ERROR_INVALID_ARGUMENT @p callback is NULL.
+ */
+hsa_status_t HSA_API HSA_DEPRECATED hsa_code_object_iterate_symbols(
+ hsa_code_object_t code_object,
+ hsa_status_t (*callback)(hsa_code_object_t code_object,
+ hsa_code_symbol_t symbol,
+ void *data),
+ void *data);
+
+/** @} */
+
+#ifdef __cplusplus
+} // end extern "C" block
+#endif
+
+#endif // header guard
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