remoteproc: Add mechanism for custom dump function assignment (ab8f873b) · Commits · 戴 / test

drivers/remoteproc/remoteproc_core.c

+38 −0

Original line number	Diff line number	Diff line
		@@ -1446,6 +1446,44 @@ int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size)
		}
		EXPORT_SYMBOL(rproc_coredump_add_segment);

		/**
		* rproc_coredump_add_custom_segment() - add custom coredump segment
		* @rproc: handle of a remote processor
		* @da: device address
		* @size: size of segment
		* @dumpfn: custom dump function called for each segment during coredump
		* @priv: private data
		*
		* Add device memory to the list of segments to be included in the coredump
		* and associate the segment with the given custom dump function and private
		* data.
		*
		* Return: 0 on success, negative errno on error.
		*/
		int rproc_coredump_add_custom_segment(struct rproc *rproc,
		dma_addr_t da, size_t size,
		void (dumpfn)(struct rproc rproc,
		struct rproc_dump_segment *segment,
		void *dest),
		void *priv)
		{
		struct rproc_dump_segment *segment;

		segment = kzalloc(sizeof(*segment), GFP_KERNEL);
		if (!segment)
		return -ENOMEM;

		segment->da = da;
		segment->size = size;
		segment->priv = priv;
		segment->dump = dumpfn;

		list_add_tail(&segment->node, &rproc->dump_segments);

		return 0;
		}
		EXPORT_SYMBOL(rproc_coredump_add_custom_segment);

		/**
		* rproc_coredump() - perform coredump
		* @rproc: rproc handle

+6 −0

Original line number	Diff line number	Diff line
		@@ -592,6 +592,12 @@ int rproc_boot(struct rproc *rproc);
		void rproc_shutdown(struct rproc *rproc);
		void rproc_report_crash(struct rproc *rproc, enum rproc_crash_type type);
		int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size);
		int rproc_coredump_add_custom_segment(struct rproc *rproc,
		dma_addr_t da, size_t size,
		void (dumpfn)(struct rproc rproc,
		struct rproc_dump_segment *segment,
		void *dest),
		void *priv);

		static inline struct rproc_vdev vdev_to_rvdev(struct virtio_device vdev)
		{