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2021-03-29utils: ipc: proxy: Track IPA with a state machineKieran Bingham
Asynchronous tasks can only be submitted while the IPA is running. Further more, the shutdown sequence can not be tracked with a simple running flag. We can also be in the state 'Stopping' where we have not yet completed all events, but we must not commence anything new. Refactor the running_ boolean into a stateful enum to track this. Reviewed-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-03-24utils: ipc: proxy: Process pending messagesLaurent Pinchart
Events may be queued to the pipeline handler between the pipeline handler entering the ::stop() function, and before the call to stop the IPA has completed. Handle these events by dispatching all pending messages at the proxy after the IPA has fully stopped. Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-03-24utils: ipc: proxy: Assert asynchronous calls execute in the running stateLaurent Pinchart
Signals and calls from the IPA should not occur after the IPA has been put into the stopped state. Add assertions to catch and prevent any messages being processed after this. Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2021-03-09utils: ipc: Make first output parameter direct return if int32Paul Elder
To make it more convenient for synchronous IPA calls to return a status, convert the first output into a direct return if it is an int32. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Naushir Patuck <naush@raspberrypi.com>
2021-03-09utils: ipc: Support custom parameters to init()Paul Elder
Add support to the mojom-based code generator for custom parameters to init(). Remove the parameter type and count validation as well. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2021-03-04utils: ipc: templates: Drop unused variableLaurent Pinchart
The has_input variable is unused, drop it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
2021-02-16meson: ipa, proxy: Generate headers and proxy with mojoPaul Elder
Run mojo from meson to generate the header, serializer, and proxy files for every pipeline's mojom data definition file. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
2021-02-16utils: ipc: add templates for code generation for IPC mechanismPaul Elder
Add templates to mojo to generate code for the IPC mechanism. These templates generate: - module header - module serializer - IPA proxy cpp, header, and worker Given an input data definition mojom file for a pipeline. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Acked-by: Jacopo Mondi <jacopo@jmondi.org> Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>