drivers/remoteproc/remoteproc_coredump.c

38  * rproc_coredump_add_segment() - add segment of device memory to coredump
41  * @size:	size of segment
50 	struct rproc_dump_segment *segment;
52 	segment = kzalloc(sizeof(*segment), GFP_KERNEL);
53 	if (!segment)
56 	segment->da = da;
57 	segment->size = size;
59 	list_add_tail(&segment->node, &rproc->dump_segments);
66  * rproc_coredump_add_custom_segment() - add custom coredump segment
69  * @size:	size of segment
70  * @dumpfn:	custom dump function called for each segment during coredump
74  * and associate the segment with the given custom dump function and private
82 						     struct rproc_dump_segment *segment,
87 	struct rproc_dump_segment *segment;
89 	segment = kzalloc(sizeof(*segment), GFP_KERNEL);
90 	if (!segment)
93 	segment->da = da;
94 	segment->size = size;
95 	segment->priv = priv;
96 	segment->dump = dumpfn;
98 	list_add_tail(&segment->node, &rproc->dump_segments);
138 	struct rproc_dump_segment *segment;
140 	list_for_each_entry(segment, segments, node) {
141 		if (user_offset < segment->size) {
142 			*data_left = segment->size - user_offset;
143 			return segment;
145 		user_offset -= segment->size;
153 			       struct rproc_dump_segment *segment,
159 	if (segment->dump) {
160 		segment->dump(rproc, segment, dest, offset, size);
162 		ptr = rproc_da_to_va(rproc, segment->da + offset, size, &is_iomem);
165 				"invalid copy request for segment %pad with offset %zu and size %zu)\n",
166 				&segment->da, offset, size);
196 	 * Find out the segment memory chunk to be copied based on offset.
237 	struct rproc_dump_segment *segment;
258 	list_for_each_entry(segment, &rproc->dump_segments, node) {
266 			data_size += segment->size;
294 	list_for_each_entry(segment, &rproc->dump_segments, node) {
298 		elf_phdr_set_p_vaddr(class, phdr, segment->da);
299 		elf_phdr_set_p_paddr(class, phdr, segment->da);
300 		elf_phdr_set_p_filesz(class, phdr, segment->size);
301 		elf_phdr_set_p_memsz(class, phdr, segment->size);
306 			rproc_copy_segment(rproc, data + offset, segment, 0,
307 					   segment->size);
347 	struct rproc_dump_segment *segment;
381 	list_for_each_entry(segment, &rproc->dump_segments, node) {
383 		strtbl_size += strlen(segment->priv) + 1;
385 			data_size += segment->size;
434 	list_for_each_entry(segment, &rproc->dump_segments, node) {
438 		elf_shdr_set_sh_addr(class, shdr, segment->da);
439 		elf_shdr_set_sh_size(class, shdr, segment->size);
443 				     elf_strtbl_add(segment->priv, ehdr, class, &strtbl_index));
447 			rproc_copy_segment(rproc, data + offset, segment, 0,
448 					   segment->size);