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New memory domain logic #5537

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3958e5d
ASoC: SOF: ipc4-topology: Remove dp_ from all module memory attributes
Sep 17, 2025
0bf399f
ASoC: sof: ipc4-topology: Fix SOF_TKN_COMP_STACK_BYTES_REQUIREMENT id
Oct 7, 2025
f64beff
ASoC: sof: ipc4-topology: Component tokens for lifetime and shared bytes
Oct 7, 2025
456d2cf
ASoC: sof: Add lifetime_bytes and shared_bytes to snd_sof_widget
Oct 7, 2025
9d06525
ASoC: ipc4: Add SOF_IPC4_GLB_CREATE_PIPELINE payload macros and structs
Sep 23, 2025
83af640
ASoC: SOF: ipc4-topology: Add payload to pipeline create messages
Sep 17, 2025
eb13b52
ASoC: SOF: ipc4-topology: Change struct sof_ipc4_mod_init_ext_dp_memo…
Dec 14, 2025
9e793ed
ASoC: SOF: ipc4-topology: Refactor sof_ipc4_widget_mod_init_msg_paylo…
Feb 11, 2026
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82 changes: 80 additions & 2 deletions include/sound/sof/ipc4/header.h
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Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,10 @@ enum sof_ipc4_pipeline_state {
#define SOF_IPC4_GLB_PIPE_EXT_CORE_ID_MASK GENMASK(23, 20)
#define SOF_IPC4_GLB_PIPE_EXT_CORE_ID(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_CORE_ID_SHIFT)

#define SOF_IPC4_GLB_PIPE_PAYLOAD_SHIFT 29
#define SOF_IPC4_GLB_PIPE_PAYLOAD_MASK BIT(29)
#define SOF_IPC4_GLB_PIPE_PAYLOAD(x) ((x) << SOF_IPC4_GLB_PIPE_PAYLOAD_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)
Expand Down Expand Up @@ -686,9 +690,83 @@ enum sof_ipc4_mod_init_ext_obj_id {

/* DP module memory configuration data object for ext_init object array */
struct sof_ipc4_mod_init_ext_dp_memory_data {
u32 domain_id; /* userspace domain ID */
uint32_t stack_bytes; /* required stack size in bytes */
uint32_t interim_heap_bytes; /* required interim heap size in bytes */
uint32_t lifetime_heap_bytes; /* required lifetime heap size in bytes */
uint32_t shared_bytes; /* required shared memory size in bytes */
} __packed __aligned(4);

/*
* This set of macros are very similar to the set above, but these are
* for building payload to SOF_IPC4_GLB_CREATE_PIPELINE message.
*
* Macros for creating struct sof_ipc4_glb_pipe_payload payload with
* its associated data. ext_init payload should be the first piece of
* payload following SOF_IPC4_GLB_CREATE_PIPELINE msg, and its
* existence is indicated with SOF_IPC4_GLB_PIPE_PAYLOAD bit.
*
* The macros below apply to sof_ipc4_glb_pipe_payload.word0
*/
#define SOF_IPC4_GLB_PIPE_PAYLOAD_WORDS_SHIFT 0
#define SOF_IPC4_GLB_PIPE_PAYLOAD_WORDS_MASK GENMASK(23, 0)
#define SOF_IPC4_GLB_PIPE_PAYLOAD_WORDS(x) ((x) << SOF_IPC4_GLB_PIPE_PAYLOAD_WORDS_SHIFT)

#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY_SHIFT 24
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY_MASK BIT(24)
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY_SHIFT)

struct sof_ipc4_glb_pipe_payload {
u32 word0;
u32 rsvd1;
u32 rsvd2;
} __packed __aligned(4);

/*
* SOF_IPC4_GLB_CREATE_PIPELINE payload may be followed by arbitrary
* number of object array objects. SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY-bit
* indicates that an array object follows struct
* sof_ipc4_glb_pipe_payload.
*
* The object header's SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST-bit in struct
* sof_ipc4_module_init_ext_object indicates if the array is continued
* with another object. The header has also fields to identify the
* object, SOF_IPC4_GLB_PIPE_EXT_OBJ_ID, and to indicate the object's
* size in 32-bit words, SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS, not
* including the header itself.
*
* The macros below apply to sof_ipc4_glb_pipe_ext_object.header
*/
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST_SHIFT 0
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST_MASK BIT(0)
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST_SHIFT)

#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ID_SHIFT 1
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ID_MASK GENMASK(15, 1)
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_ID(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_OBJ_ID_SHIFT)

#define SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS_SHIFT 16
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS_MASK GENMASK(31, 16)
#define SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS(x) ((x) << SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS_SHIFT)

struct sof_ipc4_glb_pipe_ext_object {
u32 header;
u32 data[];
} __packed __aligned(4);

enum sof_ipc4_glb_pipe_ext_obj_id {
SOF_IPC4_GLB_PIPE_DATA_ID_INVALID = 0,
SOF_IPC4_GLB_PIPE_DATA_ID_MEM_DATA,
SOF_IPC4_GLB_PIPE_DATA_ID_MAX = SOF_IPC4_GLB_PIPE_DATA_ID_MEM_DATA,
};

/* Pipeline memory configuration data object for ext_init object array */
struct sof_ipc4_glb_pipe_ext_obj_memory_data {
u32 domain_id; /* userspace domain ID */
u32 stack_bytes; /* stack size in bytes, 0 means default size */
u32 heap_bytes; /* stack size in bytes, 0 means default size */
u32 stack_bytes; /* stack size in bytes */
u32 interim_heap_bytes; /* interim heap size in bytes */
u32 lifetime_heap_bytes;/* lifetime heap size in bytes */
u32 shared_bytes; /* shared size in bytes */
} __packed __aligned(4);

/** @}*/
Expand Down
6 changes: 4 additions & 2 deletions include/uapi/sound/sof/tokens.h
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Original file line number Diff line number Diff line change
Expand Up @@ -111,8 +111,10 @@

#define SOF_TKN_COMP_SCHED_DOMAIN 418
#define SOF_TKN_COMP_DOMAIN_ID 419
#define SOF_TKN_COMP_HEAP_BYTES_REQUIREMENT 420
#define SOF_TKN_COMP_STACK_BYTES_REQUIREMENT 421
#define SOF_TKN_COMP_STACK_BYTES_REQUIREMENT 420
#define SOF_TKN_COMP_INTERIM_HEAP_BYTES_REQUIREMENT 421
#define SOF_TKN_COMP_LIFETIME_HEAP_BYTES_REQUIREMENT 422
#define SOF_TKN_COMP_SHARED_BYTES_REQUIREMENT 423

/* SSP */
#define SOF_TKN_INTEL_SSP_CLKS_CONTROL 500
Expand Down
194 changes: 157 additions & 37 deletions sound/soc/sof/ipc4-topology.c
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Original file line number Diff line number Diff line change
Expand Up @@ -163,11 +163,15 @@ static const struct sof_topology_token comp_ext_tokens[] = {
{SOF_TKN_COMP_SCHED_DOMAIN, SND_SOC_TPLG_TUPLE_TYPE_STRING, get_token_comp_domain,
offsetof(struct snd_sof_widget, comp_domain)},
{SOF_TKN_COMP_DOMAIN_ID, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, dp_domain_id)},
{SOF_TKN_COMP_HEAP_BYTES_REQUIREMENT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, dp_heap_bytes)},
offsetof(struct snd_sof_widget, domain_id)},
{SOF_TKN_COMP_STACK_BYTES_REQUIREMENT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, dp_stack_bytes)},
offsetof(struct snd_sof_widget, stack_bytes)},
{SOF_TKN_COMP_INTERIM_HEAP_BYTES_REQUIREMENT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, interim_bytes)},
{SOF_TKN_COMP_LIFETIME_HEAP_BYTES_REQUIREMENT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, lifetime_bytes)},
{SOF_TKN_COMP_SHARED_BYTES_REQUIREMENT, SND_SOC_TPLG_TUPLE_TYPE_WORD, get_token_u32,
offsetof(struct snd_sof_widget, shared_bytes)},
};

static const struct sof_topology_token gain_tokens[] = {
Expand Down Expand Up @@ -1332,6 +1336,26 @@ sof_ipc4_update_resource_usage(struct snd_sof_dev *sdev, struct snd_sof_widget *
pipeline = pipe_widget->private;
pipeline->mem_usage += total;

/*
* If this is not a Data Processing module instance, add the
* required heap sizes to the sum of all modules instance's
* belonging to same pipeline and find the maximum stack
* requirement of all module instances belonging to the same
* pipeline.
*/
if (swidget->comp_domain != SOF_COMP_DOMAIN_DP) {
pipe_widget->interim_bytes += swidget->interim_bytes;
pipe_widget->lifetime_bytes += swidget->lifetime_bytes;
pipe_widget->shared_bytes += swidget->shared_bytes;
if (pipe_widget->stack_bytes < swidget->stack_bytes)
pipe_widget->stack_bytes = swidget->stack_bytes;

dev_dbg(sdev->dev, "%s mem reqs to %s lifetime %u heap %u shared %u stack %u",
swidget->widget->name, pipe_widget->widget->name,
pipe_widget->lifetime_bytes, pipe_widget->interim_bytes,
pipe_widget->shared_bytes, pipe_widget->stack_bytes);
}

/* Update base_config->cpc from the module manifest */
sof_ipc4_update_cpc_from_manifest(sdev, fw_module, base_config);

Expand Down Expand Up @@ -3040,55 +3064,70 @@ static int sof_ipc4_control_setup(struct snd_sof_dev *sdev, struct snd_sof_contr
return 0;
}

static int sof_ipc4_widget_setup_msg_payload(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
struct sof_ipc4_msg *msg,
void *ipc_data, u32 ipc_size,
void **new_data)
static void sof_ipc4_add_init_ext_dp_memory_data(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
u32 *payload, u32 *ext_pos,
struct sof_ipc4_module_init_ext_object **hdr)
{
/* Add memory_data if comp_domain indicates DP */
if (swidget->comp_domain == SOF_COMP_DOMAIN_DP) {
struct sof_ipc4_mod_init_ext_dp_memory_data *dp_mem_data;

*hdr = (struct sof_ipc4_module_init_ext_object *)&payload[*ext_pos];
(*hdr)->header =
SOF_IPC4_MOD_INIT_EXT_OBJ_ID(SOF_IPC4_MOD_INIT_DATA_ID_DP_DATA) |
SOF_IPC4_MOD_INIT_EXT_OBJ_WORDS(DIV_ROUND_UP(sizeof(*dp_mem_data),
sizeof(u32)));
*ext_pos += DIV_ROUND_UP(sizeof(**hdr), sizeof(u32));
dp_mem_data = (struct sof_ipc4_mod_init_ext_dp_memory_data *)&payload[*ext_pos];
dp_mem_data->domain_id = swidget->domain_id;
dp_mem_data->stack_bytes = swidget->stack_bytes;
dp_mem_data->interim_heap_bytes = swidget->interim_bytes;
dp_mem_data->lifetime_heap_bytes = swidget->lifetime_bytes;
dp_mem_data->shared_bytes = swidget->shared_bytes;
*ext_pos += DIV_ROUND_UP(sizeof(*dp_mem_data), sizeof(u32));
}
}

static int sof_ipc4_widget_mod_init_msg_payload(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
struct sof_ipc4_msg *msg,
void *ipc_data, u32 ipc_size,
void **new_data)
{
struct sof_ipc4_mod_init_ext_dp_memory_data *dp_mem_data;
struct sof_ipc4_module_init_ext_init *ext_init;
struct sof_ipc4_module_init_ext_object *hdr;
struct sof_ipc4_module_init_ext_object *hdr = NULL;
int new_size;
u32 *payload;
u32 ext_pos;

/* For the moment the only reason for adding init_ext_init payload is DP
* memory data. If both stack and heap size are 0 (= use default), then
* there is no need for init_ext_init payload.
*/
if (swidget->comp_domain != SOF_COMP_DOMAIN_DP) {
msg->extension &= ~SOF_IPC4_MOD_EXT_EXTENDED_INIT_MASK;
return 0;
}

payload = kzalloc(sdev->ipc->max_payload_size, GFP_KERNEL);
if (!payload)
return -ENOMEM;

/* Add ext_init first and set objects array flag to 1 */
ext_init = (struct sof_ipc4_module_init_ext_init *)payload;
ext_init->word0 |= SOF_IPC4_MOD_INIT_EXT_OBJ_ARRAY_MASK;
ext_pos = DIV_ROUND_UP(sizeof(*ext_init), sizeof(u32));

/* Add object array objects after ext_init */

/* Add dp_memory_data if comp_domain indicates DP */
if (swidget->comp_domain == SOF_COMP_DOMAIN_DP) {
hdr = (struct sof_ipc4_module_init_ext_object *)&payload[ext_pos];
hdr->header = SOF_IPC4_MOD_INIT_EXT_OBJ_LAST_MASK |
SOF_IPC4_MOD_INIT_EXT_OBJ_ID(SOF_IPC4_MOD_INIT_DATA_ID_DP_DATA) |
SOF_IPC4_MOD_INIT_EXT_OBJ_WORDS(DIV_ROUND_UP(sizeof(*dp_mem_data),
sizeof(u32)));
ext_pos += DIV_ROUND_UP(sizeof(*hdr), sizeof(u32));
dp_mem_data = (struct sof_ipc4_mod_init_ext_dp_memory_data *)&payload[ext_pos];
dp_mem_data->domain_id = swidget->dp_domain_id;
dp_mem_data->stack_bytes = swidget->dp_stack_bytes;
dp_mem_data->heap_bytes = swidget->dp_heap_bytes;
ext_pos += DIV_ROUND_UP(sizeof(*dp_mem_data), sizeof(u32));
}
sof_ipc4_add_init_ext_dp_memory_data(sdev, swidget, payload, &ext_pos, &hdr);

/* Add following object array items here */

/* If another array object is added, remember clear previous OBJ_LAST bit */
if (hdr) {
ext_init->word0 |= SOF_IPC4_MOD_INIT_EXT_OBJ_ARRAY_MASK;
hdr->header |= SOF_IPC4_MOD_INIT_EXT_OBJ_LAST_MASK;
} else {
/*
* NOTE: Remove this early bail out, when struct
* sof_ipc4_module_init_ext_init alone has some
* function.
*/
kfree(payload);
return 0;
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@lyakh lyakh Feb 13, 2026

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nitpick: I'd do if (!hdr) {kfree(payload); return 0;} and then continue below with the rest

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@jsarha jsarha Feb 13, 2026

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I wanted to have the both sides of the if statement, because it may be that sof_ipc4_add_init_ext_dp_memory_data() did not add an object to the object array, and then we should not add the array at all, let alone mark the last element. There was an ext init payload even before my time and there are some bits defined there, so we may need to add the payload even if the array is not present. In that situation if (hdr) part remains, but the else branch should be removed. If I am to do something about this, then that would be adding the non array part always, e.g removing the the else branch.

}

/* Calculate final size and check that it fits to max payload size */
new_size = ext_pos * sizeof(u32) + ipc_size;
Expand All @@ -3111,6 +3150,76 @@ static int sof_ipc4_widget_setup_msg_payload(struct snd_sof_dev *sdev,
return new_size;
}

static void sof_ipc4_widget_pipe_ext_obj_memory_data(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
u32 *payload, u32 *ext_pos,
struct sof_ipc4_glb_pipe_ext_object **hdr)
{
struct sof_ipc4_glb_pipe_ext_obj_memory_data *mem_data;

*hdr = (struct sof_ipc4_glb_pipe_ext_object *)&payload[*ext_pos];
(*hdr)->header =
SOF_IPC4_GLB_PIPE_EXT_OBJ_ID(SOF_IPC4_GLB_PIPE_DATA_ID_MEM_DATA) |
SOF_IPC4_GLB_PIPE_EXT_OBJ_WORDS(DIV_ROUND_UP(sizeof(*mem_data),
sizeof(u32)));
*ext_pos += DIV_ROUND_UP(sizeof(**hdr), sizeof(u32));
mem_data = (struct sof_ipc4_glb_pipe_ext_obj_memory_data *)&payload[*ext_pos];
mem_data->domain_id = swidget->domain_id;
mem_data->stack_bytes = swidget->stack_bytes;
mem_data->interim_heap_bytes = swidget->interim_bytes;
mem_data->lifetime_heap_bytes = swidget->lifetime_bytes;
mem_data->shared_bytes = swidget->shared_bytes;
*ext_pos += DIV_ROUND_UP(sizeof(*mem_data), sizeof(u32));

dev_dbg(sdev->dev,
"%s; domain_id %u stack %u interim %u lifetime %u shared %u bytes",
swidget->widget->name, mem_data->domain_id, mem_data->stack_bytes,
mem_data->interim_heap_bytes, mem_data->lifetime_heap_bytes,
mem_data->shared_bytes);
}

static int sof_ipc4_widget_pipe_create_msg_payload(struct snd_sof_dev *sdev,
struct snd_sof_widget *swidget,
struct sof_ipc4_msg *msg,
void **new_data)
{
struct sof_ipc4_glb_pipe_payload *payload_hdr;
struct sof_ipc4_glb_pipe_ext_object *hdr = NULL;
u32 *payload;
u32 ext_pos;

payload = kzalloc(sdev->ipc->max_payload_size, GFP_KERNEL);
if (!payload)
return -ENOMEM;

/* Add sof_ipc4_glb_pipe_payload and set array bit to 1 */
payload_hdr = (struct sof_ipc4_glb_pipe_payload *)payload;
payload_hdr->word0 |= SOF_IPC4_GLB_PIPE_EXT_OBJ_ARRAY_MASK;
ext_pos = DIV_ROUND_UP(sizeof(*payload_hdr), sizeof(u32));

sof_ipc4_widget_pipe_ext_obj_memory_data(sdev, swidget, payload, &ext_pos, &hdr);
/* Add following array objects here */

if (!hdr) {
kfree(payload);
return 0;
}
/* Mark end of object array */
hdr->header |= SOF_IPC4_GLB_PIPE_EXT_OBJ_LAST_MASK;

/* Put total payload size in words to the payload header */
payload_hdr->word0 |= SOF_IPC4_GLB_PIPE_PAYLOAD_WORDS(ext_pos);
*new_data = payload;

/* Update msg extension bits according to the payload changes */
msg->extension |= SOF_IPC4_GLB_PIPE_PAYLOAD_MASK;

dev_dbg(sdev->dev, "%s: payload word0 %#x", swidget->widget->name,
payload_hdr->word0);

return ext_pos * sizeof(int32_t);
}

static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget *swidget)
{
struct snd_sof_widget *pipe_widget = swidget->spipe->pipe_widget;
Expand Down Expand Up @@ -3264,8 +3373,8 @@ static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget
swidget->widget->name, swidget->pipeline_id, module_id,
swidget->instance_id, swidget->core);

ret = sof_ipc4_widget_setup_msg_payload(sdev, swidget, msg, ipc_data, ipc_size,
&ext_data);
ret = sof_ipc4_widget_mod_init_msg_payload(sdev, swidget, msg, ipc_data, ipc_size,
&ext_data);
if (ret < 0)
goto fail;

Expand All @@ -3277,6 +3386,17 @@ static int sof_ipc4_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget
dev_dbg(sdev->dev, "Create pipeline %s (pipe %d) - instance %d, core %d\n",
swidget->widget->name, swidget->pipeline_id,
swidget->instance_id, swidget->core);

msg->extension &= ~SOF_IPC4_GLB_PIPE_PAYLOAD_MASK;
ret = sof_ipc4_widget_pipe_create_msg_payload(sdev, swidget, msg,
&ext_data);
if (ret < 0)
goto fail;

if (ret > 0) {
ipc_size = ret;
ipc_data = ext_data;
}
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@ujfalusi ujfalusi Feb 3, 2026

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Can you take a look at this patch in the compressed support series?
49d37d0

Would it be possible to align with that implementation, I think it would be much easier to extend (adding the compr on top of this), that is.

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@lgirdwood lgirdwood Feb 5, 2026

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ack - reuse would be best.

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@jsarha jsarha Feb 9, 2026

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@ujfalusi Where can I find this commit (fetching your github or sof-linux did not work)? Easiest would be if I could rebase my branch on top of the compressed support code. Is it close to merging stage? Could it be spit so so that the mod init payload code would be merged early, before the rest?

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@jsarha jsarha Feb 9, 2026

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Hmm, I am not any more sure what I should reuse, or to what exactly to align with.

I could of course, just within this PR, write a common function to add either struct sof_ipc4_glb_pipe_ext_obj_memory_data or struct sof_ipc4_mod_init_ext_dp_memory_data to a payload object array. The structs are actually identical, but by definition they are different structs an parts of different payloads, even if the object array concept is the same in the both payloads. That is not what you are asking, is it?

But if I could get the processing module configuration commit early and rebase this PR on top of that, then that should solve the merging problem with compress PR, shouldn't it?

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@ujfalusi ujfalusi Feb 10, 2026

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Yes, that what I meant, to follow the pattern so it is going to be easier to move forward with other changes (with the way you do it is going to be a bit of a pain to rework the compr stuff, not that it is hard, just trying to cut corners)
The patch is ASoC: SOF: ipc4-topology: Support init_ext_module_data for process modules in #5647

}

msg->data_size = ipc_size;
Expand Down
10 changes: 6 additions & 4 deletions sound/soc/sof/sof-audio.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -459,10 +459,12 @@ struct snd_sof_widget {
/* Scheduling domain (enum sof_comp_domain), unset, Low Latency, or Data Processing */
u32 comp_domain;

/* The values below are added to mod_init pay load if comp_domain indicates DP component */
u32 dp_domain_id; /* DP process userspace domain ID */
u32 dp_stack_bytes; /* DP process stack size requirement in bytes */
u32 dp_heap_bytes; /* DP process heap size requirement in bytes */
/* Module instance's memory configureation. */
u32 domain_id; /* Module instance's userspace domain ID */
u32 stack_bytes; /* Module instance's stack size requirement */
u32 interim_bytes; /* Module instance's interim heap size requirement */
u32 lifetime_bytes; /* Module instance's lifetime heap requirement */
u32 shared_bytes; /* Module instance's shared memory requirement */

struct snd_soc_dapm_widget *widget;
struct list_head list; /* list in sdev widget list */
Expand Down
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