From: Peter Ujfalusi peter.ujfalusi@linux.intel.com
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@linux.intel.com Reviewed-by: Kai Vehmanen kai.vehmanen@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Daniel Baluta daniel.baluta@nxp.com Reviewed-by: Rander Wang rander.wang@intel.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com --- 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 */