Lines Matching +full:layer +full:- +full:buffer +full:- +full:offset

1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2005-2008 Poul-Henning Kamp
33  * Definitions for fifolog "protocol": the on-media layout.
35  * The fifolog on-media record has three layers:
36  *   The outer timestamping and synchronization layer.
38  *   The inner sequencing and identification layer.
40  * All three layers are synchronized at a subset of the outer layer
44  * The outer layer:
45  * -----------------
53  *	offset	type	contents
54  *      --------------------------------------------------------------
71  * These fields are immediately followed by the inner layer payload as
74  * If the inner layer payload is shorter than the available space in
80  *	n-1	8	number of unused bytes
82  *	n-4	32be	number of unused bytes
85  * The gzip layer
86  * --------------
91  * possible into the buffer before it is written.  This is not marked
92  * in outer layer (apart from a natural correlation with padding) since
96  * The inner layer:
97  * ----------------
98  * The inner layer contains data identification and to the second
99  * timestamping (the timestamp in the outer layer only marks the
102  *	offset	type	contents
103  *      --------------------------------------------------------------
107  * presently unused in the stand-alone fifolog tools, but used in the
126 /* Offset of the 32be encoded recordsize in the first sector */