drivers/remoteproc/remoteproc_coredump.c

17 	struct rproc *rproc;
24  * @rproc: the remote processor handle
26 void rproc_coredump_cleanup(struct rproc *rproc)
30 	list_for_each_entry_safe(entry, tmp, &rproc->dump_segments, node) {
39  * @rproc:	handle of a remote processor
48 int rproc_coredump_add_segment(struct rproc *rproc, dma_addr_t da, size_t size)
59 	list_add_tail(&segment->node, &rproc->dump_segments);
67  * @rproc:	handle of a remote processor
79 int rproc_coredump_add_custom_segment(struct rproc *rproc,
81 				      void (*dumpfn)(struct rproc *rproc,
98 	list_add_tail(&segment->node, &rproc->dump_segments);
106  * @rproc:	handle of a remote processor
114 int rproc_coredump_set_elf_info(struct rproc *rproc, u8 class, u16 machine)
119 	rproc->elf_class = class;
120 	rproc->elf_machine = machine;
152 static void rproc_copy_segment(struct rproc *rproc, void *dest,
160 		segment->dump(rproc, segment, dest, offset, size);
162 		ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem);
164 			dev_err(&rproc->dev,
184 	struct rproc *rproc = dump_state->rproc;
201 						  &rproc->dump_segments,
205 			dev_info(&rproc->dev, "Ramdump done, %lld bytes read",
212 		rproc_copy_segment(rproc, buffer, seg, seg->size - seg_data,
225  * @rproc:	rproc handle
228  * and create a devcoredump device associated with rproc. Based on the
235 void rproc_coredump(struct rproc *rproc)
243 	u8 class = rproc->elf_class;
246 	enum rproc_dump_mechanism dump_conf = rproc->dump_conf;
248 	if (list_empty(&rproc->dump_segments) ||
253 		dev_err(&rproc->dev, "ELF class is not set\n");
258 	list_for_each_entry(segment, &rproc->dump_segments, node) {
282 	elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine);
284 	elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr);
294 	list_for_each_entry(segment, &rproc->dump_segments, node) {
306 			rproc_copy_segment(rproc, data + offset, segment, 0,
313 		dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL);
318 	dump_state.rproc = rproc;
322 	dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL,
335  * @rproc:	rproc handle
338  * segments and create a devcoredump device associated with rproc. Based on
345 void rproc_coredump_using_sections(struct rproc *rproc)
355 	u8 class = rproc->elf_class;
358 	unsigned int dump_conf = rproc->dump_conf;
361 	if (list_empty(&rproc->dump_segments) ||
366 		dev_err(&rproc->dev, "ELF class is not set\n");
381 	list_for_each_entry(segment, &rproc->dump_segments, node) {
401 	elf_hdr_set_e_machine(class, ehdr, rproc->elf_machine);
403 	elf_hdr_set_e_entry(class, ehdr, rproc->bootaddr);
434 	list_for_each_entry(segment, &rproc->dump_segments, node) {
447 			rproc_copy_segment(rproc, data + offset, segment, 0,
454 		dev_coredumpv(&rproc->dev, data, data_size, GFP_KERNEL);
459 	dump_state.rproc = rproc;
463 	dev_coredumpm(&rproc->dev, NULL, &dump_state, data_size, GFP_KERNEL,