diff options
Diffstat (limited to 'drivers/remoteproc/remoteproc_core.c')
| -rw-r--r-- | drivers/remoteproc/remoteproc_core.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 6bed40d01dbf..54ec38fc5dca 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1447,6 +1447,44 @@ 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 * |