/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ /* * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. * * Copyright(c) 2022 Intel Corporation. All rights reserved. */ #ifndef __INCLUDE_SOUND_SOF_IPC4_HEADER_H__ #define __INCLUDE_SOUND_SOF_IPC4_HEADER_H__ #include #include /* maximum message size for mailbox Tx/Rx */ #define SOF_IPC4_MSG_MAX_SIZE 4096 /** \addtogroup sof_uapi uAPI * SOF uAPI specification. * @{ */ /** * struct sof_ipc4_msg - Placeholder of an IPC4 message * @header_u64: IPC4 header as single u64 number * @primary: Primary, mandatory part of the header * @extension: Extended part of the header, if not used it should be * set to 0 * @data_size: Size of data in bytes pointed by @data_ptr * @data_ptr: Pointer to the optional payload of a message */ struct sof_ipc4_msg { union { u64 header_u64; struct { u32 primary; u32 extension; }; }; size_t data_size; void *data_ptr; }; /** * struct sof_ipc4_tuple - Generic type/ID and parameter tuple * @type: type/ID * @size: size of the @value array in bytes * @value: value for the given type */ struct sof_ipc4_tuple { uint32_t type; uint32_t size; uint32_t value[]; } __packed; /* * IPC4 messages have two 32 bit identifier made up as follows :- * * header - msg type, msg id, msg direction ... * extension - extra params such as msg data size in mailbox * * These are sent at the start of the IPC message in the mailbox. Messages * should not be sent in the doorbell (special exceptions for firmware). */ /* * IPC4 primary header bit allocation for messages * bit 0-23: message type specific * bit 24-28: type: enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG * enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG * bit 29: response - sof_ipc4_msg_dir * bit 30: target - enum sof_ipc4_msg_target * bit 31: reserved, unused */ /* Value of target field - must fit into 1 bit */ enum sof_ipc4_msg_target { /* Global FW message */ SOF_IPC4_FW_GEN_MSG, /* Module message */ SOF_IPC4_MODULE_MSG }; /* Value of type field - must fit into 5 bits */ enum sof_ipc4_global_msg { SOF_IPC4_GLB_BOOT_CONFIG, SOF_IPC4_GLB_ROM_CONTROL, SOF_IPC4_GLB_IPCGATEWAY_CMD, /* 3 .. 12: RESERVED - do not use */ SOF_IPC4_GLB_PERF_MEASUREMENTS_CMD = 13, SOF_IPC4_GLB_CHAIN_DMA, SOF_IPC4_GLB_LOAD_MULTIPLE_MODULES, SOF_IPC4_GLB_UNLOAD_MULTIPLE_MODULES, /* pipeline settings */ SOF_IPC4_GLB_CREATE_PIPELINE, SOF_IPC4_GLB_DELETE_PIPELINE, SOF_IPC4_GLB_SET_PIPELINE_STATE, SOF_IPC4_GLB_GET_PIPELINE_STATE, SOF_IPC4_GLB_GET_PIPELINE_CONTEXT_SIZE, SOF_IPC4_GLB_SAVE_PIPELINE, SOF_IPC4_GLB_RESTORE_PIPELINE, /* Loads library (using Code Load or HD/A Host Output DMA) */ SOF_IPC4_GLB_LOAD_LIBRARY, /* 25: RESERVED - do not use */ SOF_IPC4_GLB_INTERNAL_MESSAGE = 26, /* Notification (FW to SW driver) */ SOF_IPC4_GLB_NOTIFICATION, /* 28 .. 31: RESERVED - do not use */ SOF_IPC4_GLB_TYPE_LAST, }; /* Value of response field - must fit into 1 bit */ enum sof_ipc4_msg_dir { SOF_IPC4_MSG_REQUEST, SOF_IPC4_MSG_REPLY, }; enum sof_ipc4_pipeline_state { SOF_IPC4_PIPE_INVALID_STATE, SOF_IPC4_PIPE_UNINITIALIZED, SOF_IPC4_PIPE_RESET, SOF_IPC4_PIPE_PAUSED, SOF_IPC4_PIPE_RUNNING, SOF_IPC4_PIPE_EOS }; /* Generic message fields (bit 24-30) */ /* encoded to header's msg_tgt field */ #define SOF_IPC4_MSG_TARGET_SHIFT 30 #define SOF_IPC4_MSG_TARGET_MASK BIT(30) #define SOF_IPC4_MSG_TARGET(x) ((x) << SOF_IPC4_MSG_TARGET_SHIFT) #define SOF_IPC4_MSG_IS_MODULE_MSG(x) ((x) & SOF_IPC4_MSG_TARGET_MASK ? 1 : 0) /* encoded to header's rsp field */ #define SOF_IPC4_MSG_DIR_SHIFT 29 #define SOF_IPC4_MSG_DIR_MASK BIT(29) #define SOF_IPC4_MSG_DIR(x) ((x) << SOF_IPC4_MSG_DIR_SHIFT) /* encoded to header's type field */ #define SOF_IPC4_MSG_TYPE_SHIFT 24 #define SOF_IPC4_MSG_TYPE_MASK GENMASK(28, 24) #define SOF_IPC4_MSG_TYPE_SET(x) (((x) << SOF_IPC4_MSG_TYPE_SHIFT) & \ SOF_IPC4_MSG_TYPE_MASK) #define SOF_IPC4_MSG_TYPE_GET(x) (((x) & SOF_IPC4_MSG_TYPE_MASK) >> \ SOF_IPC4_MSG_TYPE_SHIFT) /* Global message type specific field definitions */ /* pipeline creation ipc msg */ #define SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT 16 #define SOF_IPC4_GLB_PIPE_INSTANCE_MASK GENMASK(23, 16) #define SOF_IPC4_GLB_PIPE_INSTANCE_ID(x) ((x) << SOF_IPC4_GLB_PIPE_INSTANCE_SHIFT) #define SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT 11 #define SOF_IPC4_GLB_PIPE_PRIORITY_MASK GENMASK(15, 11) #define SOF_IPC4_GLB_PIPE_PRIORITY(x) ((x) << SOF_IPC4_GLB_PIPE_PRIORITY_SHIFT) #define SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT 0 #define SOF_IPC4_GLB_PIPE_MEM_SIZE_MASK GENMASK(10, 0) #define SOF_IPC4_GLB_PIPE_MEM_SIZE(x) ((x) << SOF_IPC4_GLB_PIPE_MEM_SIZE_SHIFT) #define SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT 0 #define SOF_IPC4_GLB_PIPE_EXT_LP_MASK BIT(0) #define SOF_IPC4_GLB_PIPE_EXT_LP(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_LP_SHIFT) /* pipeline set state ipc msg */ #define SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT 16 #define SOF_IPC4_GLB_PIPE_STATE_ID_MASK GENMASK(23, 16) #define SOF_IPC4_GLB_PIPE_STATE_ID(x) ((x) << SOF_IPC4_GLB_PIPE_STATE_ID_SHIFT) #define SOF_IPC4_GLB_PIPE_STATE_SHIFT 0 #define SOF_IPC4_GLB_PIPE_STATE_MASK GENMASK(15, 0) #define SOF_IPC4_GLB_PIPE_STATE(x) ((x) << SOF_IPC4_GLB_PIPE_STATE_SHIFT) /* pipeline set state IPC msg extension */ #define SOF_IPC4_GLB_PIPE_STATE_EXT_MULTI BIT(0) /* load library ipc msg */ #define SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID_SHIFT 16 #define SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID(x) ((x) << SOF_IPC4_GLB_LOAD_LIBRARY_LIB_ID_SHIFT) enum sof_ipc4_channel_config { /* one channel only. */ SOF_IPC4_CHANNEL_CONFIG_MONO, /* L & R. */ SOF_IPC4_CHANNEL_CONFIG_STEREO, /* L, R & LFE; PCM only. */ SOF_IPC4_CHANNEL_CONFIG_2_POINT_1, /* L, C & R; MP3 & AAC only. */ SOF_IPC4_CHANNEL_CONFIG_3_POINT_0, /* L, C, R & LFE; PCM only. */ SOF_IPC4_CHANNEL_CONFIG_3_POINT_1, /* L, R, Ls & Rs; PCM only. */ SOF_IPC4_CHANNEL_CONFIG_QUATRO, /* L, C, R & Cs; MP3 & AAC only. */ SOF_IPC4_CHANNEL_CONFIG_4_POINT_0, /* L, C, R, Ls & Rs. */ SOF_IPC4_CHANNEL_CONFIG_5_POINT_0, /* L, C, R, Ls, Rs & LFE. */ SOF_IPC4_CHANNEL_CONFIG_5_POINT_1, /* one channel replicated in two. */ SOF_IPC4_CHANNEL_CONFIG_DUAL_MONO, /* Stereo (L,R) in 4 slots, 1st stream: [ L, R, -, - ] */ SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_0, /* Stereo (L,R) in 4 slots, 2nd stream: [ -, -, L, R ] */ SOF_IPC4_CHANNEL_CONFIG_I2S_DUAL_STEREO_1, /* L, C, R, Ls, Rs & LFE., LS, RS */ SOF_IPC4_CHANNEL_CONFIG_7_POINT_1, }; enum sof_ipc4_interleaved_style { SOF_IPC4_CHANNELS_INTERLEAVED, SOF_IPC4_CHANNELS_NONINTERLEAVED, }; enum sof_ipc4_sample_type { SOF_IPC4_MSB_INTEGER, /* integer with Most Significant Byte first */ SOF_IPC4_LSB_INTEGER, /* integer with Least Significant Byte first */ }; struct sof_ipc4_audio_format { uint32_t sampling_frequency; uint32_t bit_depth; uint32_t ch_map; uint32_t ch_cfg; /* sof_ipc4_channel_config */ uint32_t interleaving_style; uint32_t fmt_cfg; /* channels_count valid_bit_depth s_type */ } __packed __aligned(4); #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_SHIFT 0 #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK GENMASK(7, 0) #define SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT(x) \ ((x) & SOF_IPC4_AUDIO_FORMAT_CFG_CHANNELS_COUNT_MASK) #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT 8 #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK GENMASK(15, 8) #define SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH(x) \ (((x) & SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_MASK) >> \ SOF_IPC4_AUDIO_FORMAT_CFG_V_BIT_DEPTH_SHIFT) #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT 16 #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK GENMASK(23, 16) #define SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE(x) \ (((x) & SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_MASK) >> \ SOF_IPC4_AUDIO_FORMAT_CFG_SAMPLE_TYPE_SHIFT) /* Module message type specific field definitions */ enum sof_ipc4_module_type { SOF_IPC4_MOD_INIT_INSTANCE, SOF_IPC4_MOD_CONFIG_GET, SOF_IPC4_MOD_CONFIG_SET, SOF_IPC4_MOD_LARGE_CONFIG_GET, SOF_IPC4_MOD_LARGE_CONFIG_SET, SOF_IPC4_MOD_BIND, SOF_IPC4_MOD_UNBIND, SOF_IPC4_MOD_SET_DX, SOF_IPC4_MOD_SET_D0IX, SOF_IPC4_MOD_ENTER_MODULE_RESTORE, SOF_IPC4_MOD_EXIT_MODULE_RESTORE, SOF_IPC4_MOD_DELETE_INSTANCE, SOF_IPC4_MOD_TYPE_LAST, }; struct sof_ipc4_base_module_cfg { uint32_t cpc; /* the max count of Cycles Per Chunk processing */ uint32_t ibs; /* input Buffer Size (in bytes) */ uint32_t obs; /* output Buffer Size (in bytes) */ uint32_t is_pages; /* number of physical pages used */ struct sof_ipc4_audio_format audio_fmt; } __packed __aligned(4); /* common module ipc msg */ #define SOF_IPC4_MOD_INSTANCE_SHIFT 16 #define SOF_IPC4_MOD_INSTANCE_MASK GENMASK(23, 16) #define SOF_IPC4_MOD_INSTANCE(x) ((x) << SOF_IPC4_MOD_INSTANCE_SHIFT) #define SOF_IPC4_MOD_ID_SHIFT 0 #define SOF_IPC4_MOD_ID_MASK GENMASK(15, 0) #define SOF_IPC4_MOD_ID(x) ((x) << SOF_IPC4_MOD_ID_SHIFT) /* init module ipc msg */ #define SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT 0 #define SOF_IPC4_MOD_EXT_PARAM_SIZE_MASK GENMASK(15, 0) #define SOF_IPC4_MOD_EXT_PARAM_SIZE(x) ((x) << SOF_IPC4_MOD_EXT_PARAM_SIZE_SHIFT) #define SOF_IPC4_MOD_EXT_PPL_ID_SHIFT 16 #define SOF_IPC4_MOD_EXT_PPL_ID_MASK GENMASK(23, 16) #define SOF_IPC4_MOD_EXT_PPL_ID(x) ((x) << SOF_IPC4_MOD_EXT_PPL_ID_SHIFT) #define SOF_IPC4_MOD_EXT_CORE_ID_SHIFT 24 #define SOF_IPC4_MOD_EXT_CORE_ID_MASK GENMASK(27, 24) #define SOF_IPC4_MOD_EXT_CORE_ID(x) ((x) << SOF_IPC4_MOD_EXT_CORE_ID_SHIFT) #define SOF_IPC4_MOD_EXT_DOMAIN_SHIFT 28 #define SOF_IPC4_MOD_EXT_DOMAIN_MASK BIT(28) #define SOF_IPC4_MOD_EXT_DOMAIN(x) ((x) << SOF_IPC4_MOD_EXT_DOMAIN_SHIFT) /* bind/unbind module ipc msg */ #define SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT 0 #define SOF_IPC4_MOD_EXT_DST_MOD_ID_MASK GENMASK(15, 0) #define SOF_IPC4_MOD_EXT_DST_MOD_ID(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_ID_SHIFT) #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT 16 #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_MASK GENMASK(23, 16) #define SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_INSTANCE_SHIFT) #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT 24 #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_MASK GENMASK(26, 24) #define SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID(x) ((x) << SOF_IPC4_MOD_EXT_DST_MOD_QUEUE_ID_SHIFT) #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT 27 #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_MASK GENMASK(29, 27) #define SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID(x) ((x) << SOF_IPC4_MOD_EXT_SRC_MOD_QUEUE_ID_SHIFT) #define MOD_ENABLE_LOG 6 #define MOD_SYSTEM_TIME 20 /* set module large config */ #define SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT 0 #define SOF_IPC4_MOD_EXT_MSG_SIZE_MASK GENMASK(19, 0) #define SOF_IPC4_MOD_EXT_MSG_SIZE(x) ((x) << SOF_IPC4_MOD_EXT_MSG_SIZE_SHIFT) #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT 20 #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID_MASK GENMASK(27, 20) #define SOF_IPC4_MOD_EXT_MSG_PARAM_ID(x) ((x) << SOF_IPC4_MOD_EXT_MSG_PARAM_ID_SHIFT) #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT 28 #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_MASK BIT(28) #define SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(x) ((x) << SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK_SHIFT) #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT 29 #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK BIT(29) #define SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(x) ((x) << SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_SHIFT) /* Init instance messagees */ #define SOF_IPC4_MOD_INIT_BASEFW_MOD_ID 0 #define SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID 0 enum sof_ipc4_base_fw_params { SOF_IPC4_FW_PARAM_ENABLE_LOGS = 6, SOF_IPC4_FW_PARAM_FW_CONFIG, SOF_IPC4_FW_PARAM_HW_CONFIG_GET, SOF_IPC4_FW_PARAM_MODULES_INFO_GET, SOF_IPC4_FW_PARAM_LIBRARIES_INFO_GET = 16, SOF_IPC4_FW_PARAM_SYSTEM_TIME = 20, }; enum sof_ipc4_fw_config_params { SOF_IPC4_FW_CFG_FW_VERSION, SOF_IPC4_FW_CFG_MEMORY_RECLAIMED, SOF_IPC4_FW_CFG_SLOW_CLOCK_FREQ_HZ, SOF_IPC4_FW_CFG_FAST_CLOCK_FREQ_HZ, SOF_IPC4_FW_CFG_DMA_BUFFER_CONFIG, SOF_IPC4_FW_CFG_ALH_SUPPORT_LEVEL, SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES, SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES, SOF_IPC4_FW_CFG_TRACE_LOG_BYTES, SOF_IPC4_FW_CFG_MAX_PPL_COUNT, SOF_IPC4_FW_CFG_MAX_ASTATE_COUNT, SOF_IPC4_FW_CFG_MAX_MODULE_PIN_COUNT, SOF_IPC4_FW_CFG_MODULES_COUNT, SOF_IPC4_FW_CFG_MAX_MOD_INST_COUNT, SOF_IPC4_FW_CFG_MAX_LL_TASKS_PER_PRI_COUNT, SOF_IPC4_FW_CFG_LL_PRI_COUNT, SOF_IPC4_FW_CFG_MAX_DP_TASKS_COUNT, SOF_IPC4_FW_CFG_MAX_LIBS_COUNT, SOF_IPC4_FW_CFG_SCHEDULER_CONFIG, SOF_IPC4_FW_CFG_XTAL_FREQ_HZ, SOF_IPC4_FW_CFG_CLOCKS_CONFIG, SOF_IPC4_FW_CFG_RESERVED, SOF_IPC4_FW_CFG_POWER_GATING_POLICY, SOF_IPC4_FW_CFG_ASSERT_MODE, }; struct sof_ipc4_fw_version { uint16_t major; uint16_t minor; uint16_t hotfix; uint16_t build; } __packed; /* Payload data for SOF_IPC4_MOD_SET_DX */ struct sof_ipc4_dx_state_info { /* core(s) to apply the change */ uint32_t core_mask; /* core state: 0: put core_id to D3; 1: put core_id to D0 */ uint32_t dx_mask; } __packed __aligned(4); /* Reply messages */ /* * IPC4 primary header bit allocation for replies * bit 0-23: status * bit 24-28: type: enum sof_ipc4_global_msg if target is SOF_IPC4_FW_GEN_MSG * enum sof_ipc4_module_type if target is SOF_IPC4_MODULE_MSG * bit 29: response - sof_ipc4_msg_dir * bit 30: target - enum sof_ipc4_msg_target * bit 31: reserved, unused */ #define SOF_IPC4_REPLY_STATUS GENMASK(23, 0) /* Notification messages */ /* * IPC4 primary header bit allocation for notifications * bit 0-15: notification type specific * bit 16-23: enum sof_ipc4_notification_type * bit 24-28: SOF_IPC4_GLB_NOTIFICATION * bit 29: response - sof_ipc4_msg_dir * bit 30: target - enum sof_ipc4_msg_target * bit 31: reserved, unused */ #define SOF_IPC4_MSG_IS_NOTIFICATION(x) (SOF_IPC4_MSG_TYPE_GET(x) == \ SOF_IPC4_GLB_NOTIFICATION) #define SOF_IPC4_NOTIFICATION_TYPE_SHIFT 16 #define SOF_IPC4_NOTIFICATION_TYPE_MASK GENMASK(23, 16) #define SOF_IPC4_NOTIFICATION_TYPE_GET(x) (((x) & SOF_IPC4_NOTIFICATION_TYPE_MASK) >> \ SOF_IPC4_NOTIFICATION_TYPE_SHIFT) #define SOF_IPC4_LOG_CORE_SHIFT 12 #define SOF_IPC4_LOG_CORE_MASK GENMASK(15, 12) #define SOF_IPC4_LOG_CORE_GET(x) (((x) & SOF_IPC4_LOG_CORE_MASK) >> \ SOF_IPC4_LOG_CORE_SHIFT) /* Value of notification type field - must fit into 8 bits */ enum sof_ipc4_notification_type { /* Phrase detected (notification from WoV module) */ SOF_IPC4_NOTIFY_PHRASE_DETECTED = 4, /* Event from a resource (pipeline or module instance) */ SOF_IPC4_NOTIFY_RESOURCE_EVENT, /* Debug log buffer status changed */ SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS, /* Timestamp captured at the link */ SOF_IPC4_NOTIFY_TIMESTAMP_CAPTURED, /* FW complete initialization */ SOF_IPC4_NOTIFY_FW_READY, /* Audio classifier result (ACA) */ SOF_IPC4_NOTIFY_FW_AUD_CLASS_RESULT, /* Exception caught by DSP FW */ SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT, /* 11 is skipped by the existing cavs firmware */ /* Custom module notification */ SOF_IPC4_NOTIFY_MODULE_NOTIFICATION = 12, /* 13 is reserved - do not use */ /* Probe notify data available */ SOF_IPC4_NOTIFY_PROBE_DATA_AVAILABLE = 14, /* AM module notifications */ SOF_IPC4_NOTIFY_ASYNC_MSG_SRVC_MESSAGE, SOF_IPC4_NOTIFY_TYPE_LAST, }; struct sof_ipc4_notify_resource_data { uint32_t resource_type; uint32_t resource_id; uint32_t event_type; uint32_t reserved; uint32_t data[6]; } __packed __aligned(4); /** @}*/ #endif