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cryptodev: support QoS

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Add 'throttle-bps' and 'throttle-ops' limitation to set QoS. The
two arguments work with both QEMU command line and QMP command.

Example of QEMU command line:
-object cryptodev-backend-builtin,id=cryptodev1,throttle-bps=1600,\
throttle-ops=100

Example of QMP command:
virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \
throttle-ops 100

or cancel limitation:
virsh qemu-monitor-command buster --hmp qom-set /objects/cryptodev1 \
throttle-ops 0

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Message-Id: <20230301105847.253084-11-pizhenwei@bytedance.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
zhenwei pi 2023-03-01 18:58:45 +08:00 • committed by Michael S. Tsirkin
parent e7a775fd9f
commit 2580b452ff
3 changed files with 152 additions and 1 deletions
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8
qapi/qom.json
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@ -278,10 +278,16 @@
# cryptodev-backend and must be 1 for cryptodev-backend-builtin.
# (default: 1)
#
# @throttle-bps: limit total bytes per second (Since 8.0)
#
# @throttle-ops: limit total operations per second (Since 8.0)
#
# Since: 2.8
##
{ 'struct': 'CryptodevBackendProperties',
'data': { '*queues': 'uint32' } }
'data': { '*queues': 'uint32',
'*throttle-bps': 'uint64',
'*throttle-ops': 'uint64' } }
##
# @CryptodevVhostUserProperties: