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.
114 pm_identify_partition(int fd, partition_data* partition, void** cookie)
117 	if (fd < 0 || !partition || !cookie)
121 		"%" B_PRId64 ", %" B_PRId32 ")\n", fd, partition->id, partition->offset,
122 		partition->size, partition->block_size));
124 	if (partition->type
125 		&& !strcmp(partition->type, kPartitionTypeIntelExtended)) {
134 	// read the partition structure
135 	PartitionMapParser parser(fd, 0, partition->size, partition->block_size);
149 	bool hasParent = (get_parent_partition(partition->id) != NULL);
162 // NOTE: It seems supporting nested partition maps makes more trouble than it
170 	// else claims the partition, we take it anyway.
179 pm_scan_partition(int fd, partition_data* partition, void* cookie)
182 	if (fd < 0 || !partition || !cookie)
186 		"%" B_PRId64 ", %" B_PRId32 ")\n", fd, partition->id, partition->offset,
187 		partition->size, partition->block_size));
191 	partition->status = B_PARTITION_VALID;
192 	partition->flags |= B_PARTITION_PARTITIONING_SYSTEM;
193 	partition->content_size = partition->size;
197 	partition->content_cookie = map;
204 			partition_data* child = create_child_partition(partition->id,
205 				index, partition->offset + primary->Offset(), primary->Size(),
214 			child->block_size = partition->block_size;
238 		partition->content_cookie = NULL;
239 		for (int32 i = 0; i < partition->child_count; i++) {
240 			if (partition_data* child = get_child_partition(partition->id, i))
251 pm_free_identify_partition_cookie(partition_data*/* partition*/, void* cookie)
263 pm_free_partition_cookie(partition_data* partition)
266 	// by the partition containing the partition map
267 	if (partition)
268 		partition->cookie = NULL;
274 pm_free_partition_content_cookie(partition_data* partition)
276 	if (partition && partition->content_cookie) {
277 		pm_free_identify_partition_cookie(partition, partition->content_cookie);
278 		partition->content_cookie = NULL;
302 ep_identify_partition(int fd, partition_data* partition, void** cookie)
305 	if (fd < 0 || !partition || !cookie || !partition->cookie)
309 		"%" B_PRId32 ")\n", fd, partition->offset, partition->size,
310 		partition->block_size));
312 	// our parent must be a intel partition map partition and we must have
313 	// extended partition type
314 	if (!partition->type
315 		|| strcmp(partition->type, kPartitionTypeIntelExtended)) {
318 	partition_data* parent = get_parent_partition(partition->id);
331 ep_scan_partition(int fd, partition_data* partition, void* cookie)
334 	if (fd < 0 || !partition || !partition->cookie)
338 		"%" B_PRId32 ")\n", fd, partition->offset, partition->size,
339 		partition->block_size));
341 	partition_data* parent = get_parent_partition(partition->id);
345 	PrimaryPartition* primary = (PrimaryPartition*)partition->cookie;
347 	partition->status = B_PARTITION_VALID;
348 	partition->flags |= B_PARTITION_PARTITIONING_SYSTEM;
349 	partition->content_size = partition->size;
353 	partition->content_cookie = primary;
359 		partition_data* child = create_child_partition(partition->id, index,
365 				"partition\n"));
369 		child->block_size = partition->block_size;
394 		partition->content_cookie = NULL;
395 		for (int32 i = 0; i < partition->child_count; i++) {
396 			if (partition_data* child = get_child_partition(partition->id, i))
406 ep_free_identify_partition_cookie(partition_data* partition, void* cookie)
414 ep_free_partition_cookie(partition_data* partition)
416 	// the logical partition's cookie belongs to the partition map partition
417 	if (partition)
418 		partition->cookie = NULL;
424 ep_free_partition_content_cookie(partition_data* partition)
426 	// the extended partition's cookie belongs to the partition map partition
427 	if (partition)
428 		partition->content_cookie = NULL;
499 	// shadow partition modification
587 	// shadow partition modification