diff --git a/src/audio/module_adapter/module_adapter_ipc4.c b/src/audio/module_adapter/module_adapter_ipc4.c
index a50b78ff7714..f41ed7f6556c 100644
--- a/src/audio/module_adapter/module_adapter_ipc4.c
+++ b/src/audio/module_adapter/module_adapter_ipc4.c
@@ -25,6 +25,76 @@
 
 LOG_MODULE_DECLARE(module_adapter, CONFIG_SOF_LOG_LEVEL);
 
+static const struct ipc4_base_module_extended_cfg *
+module_ext_init_decode(struct comp_dev *dev, struct module_config *dst,
+		       const unsigned char *data, size_t *size)
+{
+	const struct ipc4_module_init_ext_init *ext_init =
+		(const struct ipc4_module_init_ext_init *)data;
+	bool last_object = !ext_init->data_obj_array;
+	const struct ipc4_module_init_ext_object *obj;
+
+	if (*size < sizeof(ext_init)) {
+		comp_err(dev, "Size too small for ext init  %u < %u",
+			 *size, sizeof(ext_init));
+		return NULL;
+	}
+	/* TODO: Handle ext_init->gna_used and ext_init->rtos_domain here */
+	/* Get the first obj struct right after ext_init struct */
+	obj = (const struct ipc4_module_init_ext_object *)(ext_init + 1);
+	while (!last_object) {
+		const struct ipc4_module_init_ext_object *next_obj;
+
+		/* Check if there is space for the object header */
+		if ((unsigned char *)(obj + 1) - data > *size) {
+			comp_err(dev, "ext init obj overflow, %u > %u",
+				 (unsigned char *)(obj + 1) - data, *size);
+			return NULL;
+		}
+		/* Calculate would be next object position and check if current object fits */
+		next_obj = (const struct ipc4_module_init_ext_object *)
+			(((uint32_t *) (obj + 1)) + obj->object_words);
+		if ((unsigned char *)next_obj - data > *size) {
+			comp_err(dev, "ext init object array overflow, %u > %u",
+				 (unsigned char *)obj - data, *size);
+			return NULL;
+		}
+		switch (obj->object_id) {
+		case IPC4_MOD_INIT_DATA_ID_DP_DATA:
+		{
+			/* Get dp_data struct that follows the obj struct */
+			const struct ipc4_module_init_ext_obj_dp_data *dp_data =
+				(const struct ipc4_module_init_ext_obj_dp_data *)(obj + 1);
+
+			if (obj->object_words * sizeof(uint32_t) < sizeof(*dp_data)) {
+				comp_err(dev, "dp_data object too small %u < %u",
+					 obj->object_words * sizeof(uint32_t), sizeof(*dp_data));
+				return NULL;
+			}
+			dst->domain_id = dp_data->domain_id;
+			dst->stack_bytes = dp_data->stack_bytes;
+			dst->heap_bytes = dp_data->heap_bytes;
+			comp_info(dev, "init_ext_obj_dp_data domain %u stack %u heap %u",
+				  dp_data->domain_id, dp_data->stack_bytes, dp_data->heap_bytes);
+			break;
+		}
+		default:
+			comp_info(dev, "Unknown ext init object id %u of %u words",
+				  obj->object_id, obj->object_words);
+		}
+		/* Read the last object flag from obj header */
+		last_object = obj->last_object;
+		/* Move to next object */
+		obj = next_obj;
+	}
+
+	/* Remove decoded ext_init payload from the size */
+	*size -= (unsigned char *) obj - data;
+
+	/* return remaining payload */
+	return (const struct ipc4_base_module_extended_cfg *)obj;
+}
+
 /*
  * \module adapter data initialize.
  * \param[in] dev - device.
@@ -39,11 +109,18 @@ int module_adapter_init_data(struct comp_dev *dev,
 			     const struct comp_ipc_config *config,
 			     const void *spec)
 {
+	const struct ipc4_base_module_extended_cfg *cfg;
 	const struct ipc_config_process *args = spec;
-	const struct ipc4_base_module_extended_cfg *cfg = (void *)args->data;
 	size_t cfgsz = args->size;
 
 	assert(dev->drv->type == SOF_COMP_MODULE_ADAPTER);
+	if (config->ipc_extended_init)
+		cfg = module_ext_init_decode(dev, dst, args->data, &cfgsz);
+	else
+		cfg = (const struct ipc4_base_module_extended_cfg *)args->data;
+
+	if (cfg == NULL)
+		return -EINVAL;
 	if (cfgsz < sizeof(cfg->base_cfg))
 		return -EINVAL;
 
diff --git a/src/include/ipc4/module.h b/src/include/ipc4/module.h
index f38621ead52c..a73ede0b0bd5 100644
--- a/src/include/ipc4/module.h
+++ b/src/include/ipc4/module.h
@@ -73,6 +73,28 @@ struct ipc4_vendor_error {
 	uint32_t err_code;
 };
 
+/* IDs for all global object types in struct ipc4_module_init_ext_object */
+enum ipc4_mod_init_data_glb_id {
+	IPC4_MOD_INIT_DATA_ID_INVALID = 0,
+	IPC4_MOD_INIT_DATA_ID_DP_DATA = 1,
+	IPC4_MOD_INIT_DATA_ID_MAX = IPC4_MOD_INIT_DATA_ID_DP_DATA,
+};
+
+/* data object for vendor bespoke data with ABI growth and backwards compat */
+struct ipc4_module_init_ext_object {
+	uint32_t last_object : 1;	/* object is last in array if 1 else object follows. */
+	uint32_t object_id : 15;	/* unique ID for this object or globally */
+	uint32_t object_words : 16;	/* size in dwords (excluding this structure) */
+} __attribute__((packed, aligned(4)));
+/* the object data will be placed in memory here and will have size "object_words" */
+
+/* Ext init array data object for Data Processing module memory requirements */
+struct ipc4_module_init_ext_obj_dp_data {
+	uint32_t domain_id;	/* userspace domain ID */
+	uint32_t stack_bytes;	/* required stack size in bytes, 0 means default size */
+	uint32_t heap_bytes;	/* required heap size in bytes, 0 means default size */
+} __attribute__((packed, aligned(4)));
+
 /*
  * Host Driver sends this message to create a new module instance.
  */
@@ -83,7 +105,8 @@ struct ipc4_module_init_ext_init {
 	/**< Indicates that GNA is used by a module and additional information */
 	/* (gna_config) is passed after ExtendedData. */
 	uint32_t gna_used    : 1;
-	uint32_t rsvd_0      : 30;
+	uint32_t data_obj_array : 1;	/* struct ipc4_module_init_ext_object data */
+	uint32_t rsvd_0      : 29;
 	uint32_t rsvd_1[2];
 } __attribute__((packed, aligned(4)));
 
diff --git a/src/include/module/module/base.h b/src/include/module/module/base.h
index f4da3252f4e3..ce5ca363ba73 100644
--- a/src/include/module/module/base.h
+++ b/src/include/module/module/base.h
@@ -34,6 +34,9 @@ struct module_config {
 	uint8_t nb_output_pins;
 	struct ipc4_input_pin_format *input_pins;
 	struct ipc4_output_pin_format *output_pins;
+	uint32_t domain_id;	/* userspace domain ID */
+	uint32_t stack_bytes;	/* stack size in bytes, 0 means default value */
+	uint32_t heap_bytes;	/* max heap size in bytes, 0 means default value */
 #endif
 };
 
diff --git a/src/include/sof/audio/component.h b/src/include/sof/audio/component.h
index 337730ccae7d..f8fb0bbdf928 100644
--- a/src/include/sof/audio/component.h
+++ b/src/include/sof/audio/component.h
@@ -617,6 +617,7 @@ struct comp_ipc_config {
 	uint32_t frame_fmt;		/**< SOF_IPC_FRAME_ */
 	uint32_t xrun_action;		/**< action we should take on XRUN */
 #if CONFIG_IPC_MAJOR_4
+	bool ipc_extended_init;		/**< true if extended init is included in ipc payload */
 	uint32_t ipc_config_size;	/**< size of a config received by ipc */
 #endif
 };
diff --git a/src/ipc/ipc4/helper.c b/src/ipc/ipc4/helper.c
index 4ff7d3a378d1..2211c5009f97 100644
--- a/src/ipc/ipc4/helper.c
+++ b/src/ipc/ipc4/helper.c
@@ -137,6 +137,7 @@ __cold struct comp_dev *comp_new_ipc4(struct ipc4_module_init_instance *module_i
 	ipc_config.pipeline_id = module_init->extension.r.ppl_instance_id;
 	ipc_config.core = module_init->extension.r.core_id;
 	ipc_config.ipc_config_size = module_init->extension.r.param_block_size * sizeof(uint32_t);
+	ipc_config.ipc_extended_init = module_init->extension.r.extended_init;
 
 	dcache_invalidate_region((__sparse_force void __sparse_cache *)MAILBOX_HOSTBOX_BASE,
 				 MAILBOX_HOSTBOX_SIZE);
diff --git a/tools/topology/topology2/cavs-nocodec.conf b/tools/topology/topology2/cavs-nocodec.conf
index 3970778de1f3..398b0f86abb9 100644
--- a/tools/topology/topology2/cavs-nocodec.conf
+++ b/tools/topology/topology2/cavs-nocodec.conf
@@ -693,7 +693,14 @@ IncludeByKey.PASSTHROUGH {
 				}
 				Object.Widget.src.1 {
 					scheduler_domain "$SRC_DOMAIN"
-					core_id $DP_SRC_CORE_ID
+					IncludeByKey.SRC_DOMAIN {
+						"DP" {
+						core_id $DP_SRC_CORE_ID
+						domain_id 123
+						stack_bytes_requirement 4096
+						heap_bytes_requirement 8192
+						}
+					}
 				}
 				Object.Widget.pipeline.1 {
 					core	$SSP2_PCM_CORE_ID
@@ -1370,7 +1377,14 @@ IncludeByKey.PASSTHROUGH {
 					index	    11
 					rate_in     48000
 					scheduler_domain "$SRC_DOMAIN"
-					core_id $DP_SRC_CORE_ID
+					IncludeByKey.SRC_DOMAIN {
+						"DP" {
+						core_id $DP_SRC_CORE_ID
+						domain_id 123
+						stack_bytes_requirement 4096
+						heap_bytes_requirement 8192
+						}
+					}
 
 					<include/components/src_format_s32_convert_from_48k.conf>
 				}
diff --git a/tools/topology/topology2/include/common/tokens.conf b/tools/topology/topology2/include/common/tokens.conf
index 4f00ad79a73f..d1b986ab01d4 100644
--- a/tools/topology/topology2/include/common/tokens.conf
+++ b/tools/topology/topology2/include/common/tokens.conf
@@ -26,6 +26,9 @@ Object.Base.VendorToken {
 		num_output_audio_formats 416
 		no_wname_in_kcontrol_name 417
 		scheduler_domain	418
+		domain_id		419
+		stack_bytes_requirement	420
+		heap_bytes_requirement	421
 	}
 
 	"2" {
diff --git a/tools/topology/topology2/include/components/widget-common.conf b/tools/topology/topology2/include/components/widget-common.conf
index a0e816a0f22e..851e78ae1721 100644
--- a/tools/topology/topology2/include/components/widget-common.conf
+++ b/tools/topology/topology2/include/components/widget-common.conf
@@ -136,3 +136,22 @@ DefineAttribute."scheduler_domain" {
 		]
 	}
 }
+
+## Userspace domain id
+DefineAttribute."domain_id" {
+	# Token set reference name and type
+	token_ref	"comp.word"
+}
+
+## Stack size requirement in bytes for this component. Zero indicates default stack size.
+DefineAttribute."stack_bytes_requirement" {
+	# Token set reference name and type
+	token_ref	"comp.word"
+}
+
+## Heap size requirement in bytes for this component. Zero indicates default heap size.
+DefineAttribute."heap_bytes_requirement" {
+	# Token set reference name and type
+	token_ref	"comp.word"
+}
+