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include/hw/boards.h: Document machine_class_allow_dynamic_sysbus_dev()

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The function machine_class_allow_dynamic_sysbus_dev() is currently
undocumented; add a doc comment.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20210325153310.9131-2-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2021-03-25 15:33:07 +00:00
parent 109918d24a
commit 387c0e8b41
1 changed files with 15 additions and 0 deletions
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include/hw/boards.h
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@ -36,7 +36,22 @@ void machine_set_cpu_numa_node(MachineState *machine,
const CpuInstanceProperties *props,
Error **errp);
/**
* machine_class_allow_dynamic_sysbus_dev: Add type to list of valid devices
* @mc: Machine class
* @type: type to allow (should be a subtype of TYPE_SYS_BUS_DEVICE)
*
* Add the QOM type @type to the list of devices of which are subtypes
* of TYPE_SYS_BUS_DEVICE but which are still permitted to be dynamically
* created (eg by the user on the command line with -device).
* By default if the user tries to create any devices on the command line
* that are subtypes of TYPE_SYS_BUS_DEVICE they will get an error message;
* for the special cases which are permitted for this machine model, the
* machine model class init code must call this function to add them
* to the list of specifically permitted devices.
*/
void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type);
/*
* Checks that backend isn't used, preps it for exclusive usage and
* returns migratable MemoryRegion provided by backend.