partitioning_systems/intel/intel.cpp

15 // TODO: The implementation is very strict right now. It rejects a partition
16 // completely, if it finds an error in its partition tables. We should see,
17 // what error can be handled gracefully, e.g. by ignoring the partition
18 // descriptor or the whole partition table sector.
100 pm_identify_partition(int fd, partition_data* partition, void** cookie)
103 	if (fd < 0 || !partition || !cookie)
107 		"%" B_PRId64 ", %" B_PRId32 ")\n", fd, partition->id, partition->offset,
108 		partition->size, partition->block_size));
110 	if (partition->type
111 		&& !strcmp(partition->type, kPartitionTypeIntelExtended)) {
120 	// read the partition structure
121 	PartitionMapParser parser(fd, 0, partition->size, partition->block_size);
135 	bool hasParent = (get_parent_partition(partition->id) != NULL);
148 // NOTE: It seems supporting nested partition maps makes more trouble than it
156 	// else claims the partition, we take it anyway.
165 pm_scan_partition(int fd, partition_data* partition, void* cookie)
168 	if (fd < 0 || !partition || !cookie)
172 		"%" B_PRId64 ", %" B_PRId32 ")\n", fd, partition->id, partition->offset,
173 		partition->size, partition->block_size));
177 	partition->status = B_PARTITION_VALID;
178 	partition->flags |= B_PARTITION_PARTITIONING_SYSTEM;
179 	partition->content_size = partition->size;
183 	partition->content_cookie = map;
190 			partition_data* child = create_child_partition(partition->id,
191 				index, partition->offset + primary->Offset(), primary->Size(),
200 			child->block_size = partition->block_size;
224 		partition->content_cookie = NULL;
225 		for (int32 i = 0; i < partition->child_count; i++) {
226 			if (partition_data* child = get_child_partition(partition->id, i))
237 pm_free_identify_partition_cookie(partition_data*/* partition*/, void* cookie)
249 pm_free_partition_cookie(partition_data* partition)
252 	// by the partition containing the partition map
253 	if (partition)
254 		partition->cookie = NULL;
260 pm_free_partition_content_cookie(partition_data* partition)
262 	if (partition && partition->content_cookie) {
263 		pm_free_identify_partition_cookie(partition, partition->content_cookie);
264 		partition->content_cookie = NULL;
288 ep_identify_partition(int fd, partition_data* partition, void** cookie)
291 	if (fd < 0 || !partition || !cookie || !partition->cookie)
295 		"%" B_PRId32 ")\n", fd, partition->offset, partition->size,
296 		partition->block_size));
298 	// our parent must be a intel partition map partition and we must have
299 	// extended partition type
300 	if (!partition->type
301 		|| strcmp(partition->type, kPartitionTypeIntelExtended)) {
304 	partition_data* parent = get_parent_partition(partition->id);
317 ep_scan_partition(int fd, partition_data* partition, void* cookie)
320 	if (fd < 0 || !partition || !partition->cookie)
324 		"%" B_PRId32 ")\n", fd, partition->offset, partition->size,
325 		partition->block_size));
327 	partition_data* parent = get_parent_partition(partition->id);
331 	PrimaryPartition* primary = (PrimaryPartition*)partition->cookie;
333 	partition->status = B_PARTITION_VALID;
334 	partition->flags |= B_PARTITION_PARTITIONING_SYSTEM;
335 	partition->content_size = partition->size;
339 	partition->content_cookie = primary;
345 		partition_data* child = create_child_partition(partition->id, index,
351 				"partition\n"));
355 		child->block_size = partition->block_size;
380 		partition->content_cookie = NULL;
381 		for (int32 i = 0; i < partition->child_count; i++) {
382 			if (partition_data* child = get_child_partition(partition->id, i))
392 ep_free_identify_partition_cookie(partition_data* partition, void* cookie)
400 ep_free_partition_cookie(partition_data* partition)
402 	// the logical partition's cookie belongs to the partition map partition
403 	if (partition)
404 		partition->cookie = NULL;
410 ep_free_partition_content_cookie(partition_data* partition)
412 	// the extended partition's cookie belongs to the partition map partition
413 	if (partition)
414 		partition->content_cookie = NULL;
485 	// shadow partition modification
573 	// shadow partition modification