191 	u32 log_buffer_offset, log_buffer_size, read_ptr, write_ptr;  in sof_ipc4_mtrace_dfs_read()  local
223 	read_ptr = core_data->host_read_ptr;  in sof_ipc4_mtrace_dfs_read()
226 	if (read_ptr < write_ptr)  in sof_ipc4_mtrace_dfs_read()
227 		avail = write_ptr - read_ptr;  in sof_ipc4_mtrace_dfs_read()
229 		avail = log_buffer_size - read_ptr + write_ptr;  in sof_ipc4_mtrace_dfs_read()
244 			core_data->id, read_ptr, write_ptr, avail);  in sof_ipc4_mtrace_dfs_read()
246 	if (read_ptr < write_ptr) {  in sof_ipc4_mtrace_dfs_read()
248 		sof_mailbox_read(sdev, log_buffer_offset + read_ptr, log_buffer, avail);  in sof_ipc4_mtrace_dfs_read()
251 		sof_mailbox_read(sdev, log_buffer_offset + read_ptr, log_buffer,  in sof_ipc4_mtrace_dfs_read()
271 	read_ptr += avail;  in sof_ipc4_mtrace_dfs_read()
272 	if (read_ptr >= log_buffer_size)  in sof_ipc4_mtrace_dfs_read()
273 		read_ptr -= log_buffer_size;  in sof_ipc4_mtrace_dfs_read()
274 	sof_mailbox_write(sdev, core_data->slot_offset, &read_ptr, sizeof(read_ptr));  in sof_ipc4_mtrace_dfs_read()
278 		core_data->host_read_ptr = read_ptr;  in sof_ipc4_mtrace_dfs_read()