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Vendor command handler should return a vendor command error code which
is ORed with VENDOR_RC_ERR by the vendor command routing function.
Before this patch flash log vendor command handler was returning
VENDOR_RC_ERR, which is filtered out by gsctool resulting in a return
value of zero when there in fact is an error.
BRANCH=cr50, cr50-mp
BUG=b:132287488
TEST=with appropriate fixes in gsctool (coming in the next patch) was
able to run concurrently for a long time a process constantly
adding log entries using Cr50 CLI command, and a process
constantly retrieving log entries using 'gsctool -L'
Change-Id: I2094c0b342d65e6c2a382079f81fb10fc8bacab9
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1639093
Reviewed-by: Andrey Pronin <apronin@chromium.org>
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The new vendor command allows to get and increase the flash log
timestamp base.
BRANCH=cr50, cr50-mp
BUG=b:132287488
TEST=verified in the next patch in the series.
Change-Id: Idc76012b7e7894b95cd70eeffeb50562a91b9656
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1610720
Legacy-Commit-Queue: Commit Bot <commit-bot@chromium.org>
Reviewed-by: Andrey Pronin <apronin@chromium.org>
Reviewed-by: Namyoon Woo <namyoon@chromium.org>
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We want to be able to retrieve flash log contents using the vendor
command channel.
The input parameter of the command is the timestamp of the last
retrieved log event, or zero of the AP wants to start over.
The response is the next entry after the one requested by the AP, or
an empty message if there are no newer log messages.
BRANCH=cr50, cr50-mp
BUG=b:63760920
TEST=with the upcoming gsctools changes observed the ability to
retrieve flash log messages.
Change-Id: I7a5438daab780c80f77cc7ebda5b719814b46489
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1525146
Reviewed-by: Namyoon Woo <namyoon@chromium.org>
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