CHZCRYPT(8)

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>.