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dumpconf: add new parameter 'SCP_DATA' for SCSI/NVMe/ECKD dump devices

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The new parameter 'SCP_DATA' can be used to pass additional kernel cmdline
parameters to a stand-alone SCSI/NVMe/ECKD dumper for debugging purposes.

Configuration example
=====================

ON_PANIC=dump_reipl
DUMP_TYPE=fcp
DEVICE=0.0.4711
WWPN=0x5005076303004711
LUN=0x4711000000000000
BOOTPROG=0
BR_LBA=0
SCP_DATA="dump_debug=6 ignore_loglevel earlyprintk=sclp panic_print=3"

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Mikhail Zaslonko <zaslonko@linux.ibm.com>
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
This commit is contained in:
Alexander Egorenkov
2024-05-13 14:28:21 +02:00
committed by Steffen Eiden
parent 7ea0dfdc17
commit 4d2c9267c2
2 changed files with 37 additions and 0 deletions
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4
man/dumpconf.8
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@@ -80,6 +80,10 @@ Cylinder, Head and Record) or "auto".
\fB - BR_LBA:\fR
Boot record logical block address.
.TP
\fB - SCP_DATA:\fR
SCP data for SCSI, NVMe and ECKD dump devices.
.TP
\fB - VMCMD_1, VMCMD_2 ... VMCMD_8:\fR
Up to eight CP commands, which are executed in case of a kernel panic