78 	struct sof_ipc4_msg *ipc4_msg = priv->rx_buffer;  in sof_msg_inject_ipc4_dfs_read()  local
79 	size_t header_size = sizeof(ipc4_msg->header_u64);  in sof_msg_inject_ipc4_dfs_read()
82 	if (!ipc4_msg->header_u64 || !count || *ppos)  in sof_msg_inject_ipc4_dfs_read()
92 	if (SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_msg->primary) &&  in sof_msg_inject_ipc4_dfs_read()
93 	    (SOF_IPC4_MSG_TYPE_GET(ipc4_msg->primary) == SOF_IPC4_MOD_LARGE_CONFIG_GET))  in sof_msg_inject_ipc4_dfs_read()
94 		remaining += ipc4_msg->data_size;  in sof_msg_inject_ipc4_dfs_read()
102 	if (copy_to_user(buffer, &ipc4_msg->header_u64, header_size))  in sof_msg_inject_ipc4_dfs_read()
111 	if (remaining > ipc4_msg->data_size)  in sof_msg_inject_ipc4_dfs_read()
112 		remaining = ipc4_msg->data_size;  in sof_msg_inject_ipc4_dfs_read()
115 	if (copy_to_user(buffer + *ppos, ipc4_msg->data_ptr, remaining))  in sof_msg_inject_ipc4_dfs_read()
183 	struct sof_ipc4_msg *ipc4_msg = priv->tx_buffer;  in sof_msg_inject_ipc4_dfs_write()  local
190 	if (count < sizeof(ipc4_msg->header_u64))  in sof_msg_inject_ipc4_dfs_write()
194 	if (copy_from_user(&ipc4_msg->header_u64, buffer,  in sof_msg_inject_ipc4_dfs_write()
195 			   sizeof(ipc4_msg->header_u64)))  in sof_msg_inject_ipc4_dfs_write()
198 	data_size = count - sizeof(ipc4_msg->header_u64);  in sof_msg_inject_ipc4_dfs_write()
203 	if (copy_from_user(ipc4_msg->data_ptr,  in sof_msg_inject_ipc4_dfs_write()
204 			   buffer + sizeof(ipc4_msg->header_u64), data_size))  in sof_msg_inject_ipc4_dfs_write()
207 	ipc4_msg->data_size = data_size;  in sof_msg_inject_ipc4_dfs_write()
210 	ipc4_msg = priv->rx_buffer;  in sof_msg_inject_ipc4_dfs_write()
211 	ipc4_msg->header_u64 = 0;  in sof_msg_inject_ipc4_dfs_write()
212 	ipc4_msg->data_size = priv->max_msg_size;  in sof_msg_inject_ipc4_dfs_write()
213 	memset(ipc4_msg->data_ptr, 0, priv->max_msg_size);  in sof_msg_inject_ipc4_dfs_write()
279 		struct sof_ipc4_msg *ipc4_msg;  in sof_msg_inject_probe()  local
281 		ipc4_msg = priv->tx_buffer;  in sof_msg_inject_probe()
282 		ipc4_msg->data_ptr = priv->tx_buffer + sizeof(struct sof_ipc4_msg);  in sof_msg_inject_probe()
284 		ipc4_msg = priv->rx_buffer;  in sof_msg_inject_probe()
285 		ipc4_msg->data_ptr = priv->rx_buffer + sizeof(struct sof_ipc4_msg);  in sof_msg_inject_probe()