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Applications that operate on BMC typically rely on the standard
systemd recovery mechanism. In this setup, systemd automatically
restarts applications when they encounter issues. However, for
critical daemons like PLDM in IBM systems, the situation is more
nuanced.
PLDM plays a vital role in IBM infrastructures as it facilitates
communication between BMC and the host. Therefore, if the PLDM
daemon experiences a crash or restarts unexpectedly, it's crucial
to notify the remote PLDM endpoints. This notification ensures that
the remote endpoints can detect the disruption and initiate corrective
measures to synchronize critical data, such as PDRs, between the two
endpoints.
To efficiently communicate the status of a remote endpoint when the
PLDM faces an interruption, the MTCP channel serves as a key mechanism.
Specifically, when the mctp-demux daemon undergoes a restart, it
reinitializes the MCTP channel. This action effectively signals the
remote endpoint that an issue has occurred. By doing so, the remote
side can promptly take the necessary corrective actions to maintain
data synchronization and system integrity.
Change-Id: I7d28ef9b3fc8263a100d7ff1f5378fcddcdd3f89
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
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This commit would override the default null binding with astlpc
binding for IBM p10 systems.
Tested:
- Built the rootfs of both tacoma & p10bmc and made sure the right
configuration of mctp is placed in /etc/default location.
Change-Id: I446be5ed1ceab44ba914a22d437d65f09b4a77f8
Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
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Earlier the 'astlpc-raw-kcs' PACKAGECONFIG option was used to populate
udev rules from the 'libmctp' repository to the system.
Now udev rules are dropped from the repo in favor of a KCS device path
argument provided via 'mctp' configuration file.
Correct recipe file and all the affected platforms to this new
approach.
libmctp: srcrev bump 8803dc12a9..400766f943
Konstantin Aladyshev (1):
astlpc: Provide KCS device path as a binding argument
Change-Id: I480fe1f9d211dca6db29fbedb7836d469ad2ee02
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
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We're about to introduce a package for mctp utilities, called 'mctp'.
However, the libmctp package already uses that name.
This change renames 'mctp' to the upstream name of 'libmctp'.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Change-Id: Ia49a40c822e920d3bc36584cbc2c97b83828cfdd
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