From: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
The max_payload_size is an IPC level constraint. Add a new field,
max_payload_size to struct snd_sof_ipc and set it during IPC init.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Baluta <daniel.baluta@xxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc.c | 2 ++
sound/soc/sof/sof-priv.h | 3 +++
2 files changed, 5 insertions(+)
diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index 5f5753608c79..af2efc1c8436 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -1005,6 +1005,8 @@ int sof_ipc_init_msg_memory(struct snd_sof_dev *sdev)
if (!msg->reply_data)
return -ENOMEM;
+ sdev->ipc->max_payload_size = SOF_IPC_MSG_MAX_SIZE;
+
return 0;
}
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h
index 93de5547b952..f75c6f76297e 100644
--- a/sound/soc/sof/sof-priv.h
+++ b/sound/soc/sof/sof-priv.h
@@ -394,6 +394,9 @@ struct snd_sof_ipc {
/* disables further sending of ipc's */
bool disable_ipc_tx;
+ /* Maximum allowed size of a single IPC message/reply */
+ size_t max_payload_size;
+
struct snd_sof_ipc_msg msg;
/* IPC ops based on version */
--
2.25.1
