PEL: Change info trace to a debug one

The PLDM daemon was missing the call to HostReject when PHYP responded
to getting a new PEL with the 'file discarded' response. Now that it's
being added, this

PEL: Change info trace to a debug one

The PLDM daemon was missing the call to HostReject when PHYP responded
to getting a new PEL with the 'file discarded' response. Now that it's
being added, this trace was showing up multiple times as PHYP would
accept one new PEL at a time as the OS slowly acked them.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I13bccf821b96a8d918d33646893efa34faf4c088

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PEL: Use lg2 in PLMD related files

There are a lot of debug traces in the code that uses PLDM to send PELs
up to the OS. Convert the files that deal with that to lg2 so that the
debug traces can be

PEL: Use lg2 in PLMD related files

There are a lot of debug traces in the code that uses PLDM to send PELs
up to the OS. Convert the files that deal with that to lg2 so that the
debug traces can be seen by just running phosphor-log-manager from the
command line where lg2 will print to the console as opposed to having to
change the journal priority in an overlay file.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I818bab1bf636fe83d3e7ff64c1bc31ad5e09705e

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PEL: Remove use of deprecated mem_fun

Replace it with mem_fn.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I1b223f2de54f9b6c6883fb539276f9750575ab96

PEL: Wait a bit after host up before sending PELs

Wait a minute after the host state switches to running before sending
any PELs to the host. This applies both on a normal boot and also when
the BM

PEL: Wait a bit after host up before sending PELs

Wait a minute after the host state switches to running before sending
any PELs to the host. This applies both on a normal boot and also when
the BMC is rebooted when the host is already up.

This is being done for 2 reasons:
1) Give some relief to the PLDM traffic and CPU load that occurs after a
BMC reboot when the host is already up, because the host will also be
exchanging PLDM PDRs with the BMC then and pretty much every
application is also starting up at the time as well.
2) A lot of times on a normal boot the host notifier code ends up having
to do a few retries when it first starts sending the PELs because the
first few commands fail, possibly because the code on the receiving
end isn't quite ready yet.

I arrived at that amount of time by deciding 30 seconds was reasonable,
and then doubling it just to be sure. During testing of the reboots the
minute timeout gave plenty of time for the BMC to get back to BMC ready.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I0929a4acdda0a9fe8fbdcd624c5821a642ad83a6

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openpower-pels: clean up various compile warnings

Compile warnings observed when compiling parts of the
openpower-pels (or corresponding tests) under stricter
compiler warning flags

openpower-pels: clean up various compile warnings

Compile warnings observed when compiling parts of the
openpower-pels (or corresponding tests) under stricter
compiler warning flags of Meson.

Issues fixed:
- many unused parameters
- invalid case fall-through
- excess semi-colons
- incorrect 'const' on return-by-value type
- removal of variable length array in test case
- uncaught return from 'system' call in test case

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I8af69184042cf8661d1307a02ecf3afcab4724a1

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PEL: Add HostNotifier related debug traces

Add some debug traces that make it easier to debug issues in the code
paths that send PELs to the host. They will only show up when the
jo

PEL: Add HostNotifier related debug traces

Add some debug traces that make it easier to debug issues in the code
paths that send PELs to the host. They will only show up when the
journald conf files are modified to turn on debug journal entries.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I1ad6b584bed8c6b58aee94ac2178c4d0b6e3e5d8

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PEL: Tell HostNotifier about deleted PELs

Have the HostNotifier class subscribe to the Repository class's PEL
deletion callbacks so that when a PEL is deleted HostNotifier can remove

PEL: Tell HostNotifier about deleted PELs

Have the HostNotifier class subscribe to the Repository class's PEL
deletion callbacks so that when a PEL is deleted HostNotifier can remove
that PEL from its queue and also from its sent list.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I37c61bd62f208512e0c45a628548e0881272d2f5

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PEL: Clear PLDM instance IDs in certain cases

When the host powers off or the code hits the maximum amount of retries
after a failure and gives up, call the PLDM interface's cancelCmd

PEL: Clear PLDM instance IDs in certain cases

When the host powers off or the code hits the maximum amount of retries
after a failure and gives up, call the PLDM interface's cancelCmd
function to ensure that the code will get a new instance ID on any
future attempts at sending a PEL to the host.

Note that in the power off case the PLDMInterface class would only have
an instance ID around if it was in the middle of sending a command at
the time.

It is doing this because there is no way to know when the next attempt
at sending up a PEL will occur, it could be months or years, and it
can't assume the PLDM daemon will not have already given that ID to
someone else by then.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I6cd5ef6131ee0b2a205fcf71db5a2bfaa2e44e36

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PEL: Don't send PELs to host when flag disabled

Don't put any PELs on the queue to send to the host when the setting to
send event logs to the host has been set to false.

Signed

PEL: Don't send PELs to host when flag disabled

Don't put any PELs on the queue to send to the host when the setting to
send event logs to the host has been set to false.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I37be53f54c354e2c440ac3a932630a4905e311f1

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PEL: Receive a 'bad PEL' indication from host

If the code somehow sent the host a malformed PEL, it will
respond with the 'Ack PEL' PLDM command with a special value
that indicates t

PEL: Receive a 'bad PEL' indication from host

If the code somehow sent the host a malformed PEL, it will
respond with the 'Ack PEL' PLDM command with a special value
that indicates this, and the PLDM daemon will relay it to this
daemon.

In this case, change the host transmission state to 'bad' so
it doesn't get sent again. This should never happen as the
Repository class already validates PELs and removes bad ones,
though maybe the host and Repository have different ideas
about what constitutes a malformed PEL.

In the future, if event logging support is added to the PEL
code running inside the logging daemon, it may be a good
idea to create a new PEL for this case.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Id6f9fd37764bf5b5d09b4277a1e36b1f26b3e9a5

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PEL: Notifier support for 'host full'

The host firmware may have a limited size for its staging area
before it passes the PELs through to the OS, and this area may
fill up with PELs

PEL: Notifier support for 'host full'

The host firmware may have a limited size for its staging area
before it passes the PELs through to the OS, and this area may
fill up with PELs it can't send if there are too many or the OS
isn't up yet.

In this case, it will send down an 'Ack PEL' PLDM command with a
special response indicating this host full condition. The PLDM
daemon will then call a method on this daemon to let it know.

This command handles the host full condition on the HostNotifier
class. When this is set:

* The PEL that hit this condition will be put back on the queue
to be sent again.
* No new PELs will be sent up, except as noted below
* A 60s timer will be started at the end of which another attempt
will be made to send a PEL, in the hopes the condition went away.
- If it didn't go away, this process will repeat.
- If it did go away, a successful ack will be received and things
will proceed as normal.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Iaeb38f43f7acc595bcff234ba50cedf8188b3d9b

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PEL: Support for the host acking a PEL

After the host firmware successfully transfers a PEL to the OS,
it will respond with an 'Ack' command that the PLDM daemon sends
over to this d

PEL: Support for the host acking a PEL

After the host firmware successfully transfers a PEL to the OS,
it will respond with an 'Ack' command that the PLDM daemon sends
over to this daemon via a D-Bus method call.

Add support to the HostNotifier class for this. It will change the
state field in the PEL to 'acked' so that it doesn't get sent up
again.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Id2a9985965017d9431419c1375d5374a2d0ae00b

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PEL: On new PEL, send to host if necessary

When a new PEL comes in, send it to the host now if the host
is up and the class is currently idle.

The PLDM command will be dispatche

PEL: On new PEL, send to host if necessary

When a new PEL comes in, send it to the host now if the host
is up and the class is currently idle.

The PLDM command will be dispatched in a standalone function
called from the event loop so that this function, which may
be part of the 'Create new log' D-Bus method response, can
return first.

Also added testcases to start verifying these paths now that
there is a full mock of the HostInterface class.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Ib30a99cc61be9205122287ba310bc315d762e863

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PEL: Take a PEL off the queue and send to host

Fill in the code that looks for the first PEL on the queue that still
needs to be sent up, and send it.

If the failure retry timer

PEL: Take a PEL off the queue and send to host

Fill in the code that looks for the first PEL on the queue that still
needs to be sent up, and send it.

If the failure retry timer is active, or it has already retried the max
number of times, then don't send anything. In the former case the timer
callback will do the send, and in the latter the next time a log comes
in it will start trying again.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Ibb9692ca83b23e5e021db8b8a89b5549fb979df1

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PEL: Fill in host state change callback

If the host is up, start sending PELs.

If the host is off, move all of the PELs that are sent but
not acked back to the queue to be sent

PEL: Fill in host state change callback

If the host is up, start sending PELs.

If the host is off, move all of the PELs that are sent but
not acked back to the queue to be sent again next time.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I66d382a85afc88f6b23367fb515df4dbe5326be1

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PEL: Fill in host command response handler

If notifying the host of a new PEL was successful, then it
will modify the PEL's host transmission state to 'sent' and
add it to the list o

PEL: Fill in host command response handler

If notifying the host of a new PEL was successful, then it
will modify the PEL's host transmission state to 'sent' and
add it to the list of sent PELs.

If there was a failure, then a timer will be started so a
retry can be done.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I77000c603a18726d4cdbb3920ca349e69198fb7f

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PEL: Logic to enqueue a PEL to send to host

Fill in the function to determine if a PEL needs to be placed on the
qeueue to be sent up to the host. It involves checking both the host

PEL: Logic to enqueue a PEL to send to host

Fill in the function to determine if a PEL needs to be placed on the
qeueue to be sent up to the host. It involves checking both the host
and HMC transmission states, as well as the PEL action flags field.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I9f1a9fba1b7e6dc7a167f1c7e9dfd6c40d90883f

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PEL: Add HostNotifier class

This class will watch for new PELs being created, and handle sending
them up to the host. This first commit for this class mostly just fills
in the const

PEL: Add HostNotifier class

This class will watch for new PELs being created, and handle sending
them up to the host. This first commit for this class mostly just fills
in the constructor to set up the various callbacks it will use.

It is only instantiated in the Manager class if the Manager constructor
used is the one that passes in the HostInterface object, to allow for
configurations that don't need PELs passed up.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I0ddcf94d047979eb78209d396c2351566c634dbe

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