remoteproc: Add mechanism for custom dump function assignment

This patch adds a mechanism for assigning each rproc dump segment with
a custom dump function and private data. The dump function is to be
called for each rproc segment during coredump if assigned.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
[bjorn: reordred arguments to rproc_coredump_add_custom_segment()]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h
index 2d036adab7ff..507a2b524208 100644
--- a/include/linux/remoteproc.h
+++ b/include/linux/remoteproc.h
@@ -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)
 {