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tcg plugins: expose an API version concept

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This is a very simple versioning API which allows the plugin
infrastructure to check the API a plugin was built against. We also
expose a min/cur API version to the plugin via the info block in case
it wants to avoid using old deprecated APIs in the future.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Robert Foley <robert.foley@linaro.org>
This commit is contained in:
Alex Bennée 2019-11-04 13:18:36 +00:00
parent 05273a43af
commit 3fb356cc86
10 changed files with 56 additions and 0 deletions
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2
tests/plugin/empty.c
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@ -13,6 +13,8 @@
#include <qemu-plugin.h>
QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
/*
* Empty TB translation callback.
* This allows us to measure the overhead of injecting and then