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zdev: Add option to select IPL device

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Add new command-line option --ipldev. When specified and IPL was done
from a supported device type, the IPL device is selected for the
requested tool operation.

Example to list IPL device information:

$ lszdev --ipldev

Example to create a persistent configuration for the IPL device:

$ chzdev --enable --persistent --ipldev

Reviewed-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Peter Oberparleiter
2024-07-04 16:10:17 +02:00
committed by Jan Höppner
parent cad4e9e15b
commit d9a9bd8dcf
14 changed files with 158 additions and 5 deletions
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1
zdev/include/path.h
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@@ -23,6 +23,7 @@
#define PATH_MODPROBE "/sbin/modprobe"
#define PATH_CCW_BUS "/sys/bus/ccw"
#define PATH_CCWGROUP_BUS "/sys/bus/ccwgroup"
#define PATH_IPL "/sys/firmware/ipl"
#define PATH_UDEV_RULES "/etc/udev/rules.d"
#define PATH_UDEV_RULES_VOLATILE "/run/udev/rules.d"
#define PATH_PROC "/proc"