NAME¶
chzcrypt - modify zcrypt configuration
SYNOPSIS¶
- chzcrypt
- -e | -d ( -a | <device id> [...] )
- chzcrypt
- [ -p | -n ] [ -c <timeout> ]
- chzcrypt -h
- chzcrypt -v
DESCRIPTION¶
The
chzcrypt command is used to configure cryptographic adapters managed
by zcrypt and modify zcrypt's AP bus attributes. Attributes may vary depending
on the kernel version.
chzcrypt requires that the sysfs filesystem is
mounted.
OPTIONS¶
- -e, --enable
- Set the given cryptographic adapter(s) online.
- -d, --disable
- Set the given cryptographic adapter(s) offline.
- -a, --all
- Set all available cryptographic adapter(s) online or offline.
- <device id>
- Specifies a cryptographic adapter which will be set either online or
offline. A cryptographic adapter can be specified either in decimal or
hexadecimal notation using a '0x' prefix.
- -p, --poll-thread-enable
- Enable zcrypt's poll thread.
- -n, --poll-thread-disable
- Disable zcrypt's poll thread.
- -c, --config-time <timeout>
- Set configuration timer for re-scanning the AP bus to
<timeout> seconds.
- -t, --poll-timeout <poll_timeout>
- Set poll timer to run poll tasklet all <poll_timeout>
nanoseconds.
- -V, --verbose
- Print verbose messages.
- -h, --help
- Print help text and exit.
- -v, --version
- Print version information and exit.
EXAMPLES¶
- chzcrypt -e 0 1 4 5 12
- Will set the cryptographic adapters in decimal notation 0, 1, 4, 5, and 12
online.
- chzcrypt -d -a
- Will set all available cryptographic adapters offline.
- chzcrypt -c 60 -n
- Will set configuration timer for re-scanning the AP bus to 60 seconds and
disable zcrypt's poll thread.
SEE ALSO¶
lszcrypt(8)
AUTHOR¶
This man-page was written by Ralph Wuerthner <rwuerthn@de.ibm.com> and
Felix Beck <felix.beck@de.ibm.com>.