User Guide

Ampex 1308911-02 B-3
Device Special Files Introduction
Table B-2. DEC, HP-UX, and Solaris Device Special File Default Interface Parameters Settings
Parameter
Bit Location
Device Special File
1
00 01
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
10 11 12 13 14 15
DST_NO_REWIND (0x0000001) – ✔ – ✔ – ✔✔✔– ✔ – ✔ – ✔✔✔
DST_NO_FM (0x0000002) – – ✔✔––✔✔––✔✔––✔✔
DST_NO_RESERVE (0x0000004) – – – ✔ –––✔ –––✔ –––✔
DST_NO_FLUSH (0x0000008) – – – ✔ – ✔ – ✔ –––✔ – ✔ – ✔
DST_NO_OPN_CMD (0x0000010) – ––––––✔ –––––––✔
DST_SBLK_SIZE (0x0000020) – –––––––––––––––
DST_RETEN_OPN (0x0000040) – –––––––––––––––
DST_SPC_FWD (0x0000080) – –––––––––––––––
DST_APPEND_ONLY (0x0000100) – –––––––––––––––
DST_DEF_POS_OPN (0x0000400) – –––––––––––––––
DST_NO_REFORMAT (0x0000800) – –––––––––––––––
DST_SYNC_WRITE (0x0001000)
****************
DST_ZERO_ON_FM (0x0002000) – –––––––✔✔✔✔✔✔✔✔
DST_ZERO_ON_EW (0x0004000) – –––––––✔✔✔✔✔✔✔✔
DST_IGN_FM 0x0008000) – –––––––––––––––
DST_OPEN_RDONLY (0x0010000)
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1 The symbols shown in this table indicate the following:
✔ Indicates the parameter is set to on.
– Indicates the parameter is set to off.
* Indicates the parameter is a reportable value that is not affected by the bit mask
specified in the configuration file. See your platform specific DST/DIS Software Installation Guide
for information on how the states of these parameters are changed. To retrieve the current states of
the parameters, use the DSTIOCTOP/DST_GETPARAM ioctl.