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authorAlexey Kardashevskiy <aik@ozlabs.ru>2022-06-22 15:29:55 +1000
committerDaniel Henrique Barboza <danielhb413@gmail.com>2022-07-06 10:22:37 -0300
commit31cc81f72801bcda02c866ff94ed8baf6b84506d (patch)
treed06e28ea747d49fc4f8dd1af05b9e62262745dff /scripts/qapi/main.py
parent59f11543e2ccd5cab283732a7c59aeeaa6790138 (diff)
downloadfocaccia-qemu-31cc81f72801bcda02c866ff94ed8baf6b84506d.tar.gz
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spapr/ddw: Reset DMA when the last non-default window is removed
PAPR+/LoPAPR says:
===
The platform must restore the default DMA window for the PE on a call
to the ibm,remove-pe-dma-window RTAS call when all of the following
are true:
 a. The call removes the last DMA window remaining for the PE.
 b. The DMA window being removed is not the default window

===

This resets DMA as PAPR mandates.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <20220622052955.1069903-1-aik@ozlabs.ru>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'scripts/qapi/main.py')
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