vdpa_sim: add get_config callback in vdpasim_dev_attr

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The get_config callback can be used by the device to fill the
config structure.
The callback will be invoked in vdpasim_get_config() before copying
bytes into caller buffer.

Move vDPA-net config updates from vdpasim_set_features() in the
new vdpasim_net_get_config() callback.
This is safe since in vdpa_get_config() we already check that
.set_features() callback is called before .get_config().

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Link: https://lore.kernel.org/r/20201215144256.155342-13-sgarzare@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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Stefano Garzarella 2020-12-15 15:42:50 +01:00 • committed by Michael S. Tsirkin

parent f37cbbc651

commit 65b709586e

1 changed files with 21 additions and 14 deletions

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drivers/vdpa/vdpa_sim/vdpa_sim.c

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