status_t
GPTPartitionHandle::CreateChild(off_t offset, off_t size,
const char* typeString, const char* name, const char* parameters,
BMutablePartition** _child)
{
// create the child
BMutablePartition* partition = Partition();
BMutablePartition* child;
status_t status = partition->CreateChild(partition->CountChildren(),
typeString, name, parameters, &child);
if (status != B_OK)
return status;
// init the child
child->SetOffset(offset);
child->SetSize(size);
child->SetBlockSize(partition->BlockSize());
*_child = child;
return B_OK;
}
status_t
ExtendedPartitionHandle::CreateChild(off_t offset, off_t size,
const char* typeString, const char* name, const char* _parameters,
BMutablePartition** _child)
{
// check type
PartitionType type;
if (!type.SetType(typeString) || type.IsEmpty())
return B_BAD_VALUE;
// check name
if (name != NULL && name[0] != '\0')
return B_BAD_VALUE;
// offset properly aligned?
if (offset != sector_align(offset, Partition()->BlockSize())
|| size != sector_align(size, Partition()->BlockSize()))
return B_BAD_VALUE;
// check the free space situation
BPartitioningInfo info;
status_t error = GetPartitioningInfo(&info);
if (error != B_OK)
return error;
bool foundSpace = false;
off_t end = offset + size;
int32 spacesCount = info.CountPartitionableSpaces();
for (int32 i = 0; i < spacesCount; i++) {
off_t spaceOffset, spaceSize;
info.GetPartitionableSpaceAt(i, &spaceOffset, &spaceSize);
off_t spaceEnd = spaceOffset + spaceSize;
if (offset >= spaceOffset && end <= spaceEnd) {
foundSpace = true;
break;
}
}
if (!foundSpace)
return B_BAD_VALUE;
BString parameters(_parameters);
parameters << "partition_table_offset " << offset - PTS_OFFSET << " ;\n";
// everything looks good, create the child
BMutablePartition* child;
error = Partition()->CreateChild(-1, typeString,
NULL, parameters.String(), &child);
if (error != B_OK)
return error;
// init the child
child->SetOffset(offset);
child->SetSize(size);
child->SetBlockSize(Partition()->BlockSize());
//child->SetFlags(0);
child->SetChildCookie(Partition());
*_child = child;
return B_OK;
}
status_t
PartitionMapHandle::CreateChild(off_t offset, off_t size,
const char* typeString, const char* name, const char* parameters,
BMutablePartition** _child)
{
// check type
PartitionType type;
if (!type.SetType(typeString) || type.IsEmpty())
return B_BAD_VALUE;
if (type.IsExtended() && fPartitionMap.ExtendedPartitionIndex() >= 0)
return B_BAD_VALUE;
// check name
if (name && *name != '\0')
return B_BAD_VALUE;
// check parameters
void* handle = parse_driver_settings_string(parameters);
if (handle == NULL)
return B_ERROR;
bool active = get_driver_boolean_parameter(handle, "active", false, true);
delete_driver_settings(handle);
// get a spare primary partition
PrimaryPartition* primary = NULL;
for (int32 i = 0; i < 4; i++) {
if (fPartitionMap.PrimaryPartitionAt(i)->IsEmpty()) {
primary = fPartitionMap.PrimaryPartitionAt(i);
break;
}
}
if (!primary)
return B_BAD_VALUE;
// offset properly aligned?
if (offset != sector_align(offset, Partition()->BlockSize())
|| size != sector_align(size, Partition()->BlockSize()))
return B_BAD_VALUE;
// check the free space situation
BPartitioningInfo info;
status_t error = GetPartitioningInfo(&info);
if (error != B_OK)
return error;
bool foundSpace = false;
off_t end = offset + size;
int32 spacesCount = info.CountPartitionableSpaces();
for (int32 i = 0; i < spacesCount; i++) {
off_t spaceOffset, spaceSize;
info.GetPartitionableSpaceAt(i, &spaceOffset, &spaceSize);
off_t spaceEnd = spaceOffset + spaceSize;
if (offset >= spaceOffset && end <= spaceEnd) {
foundSpace = true;
break;
}
}
if (!foundSpace)
return B_BAD_VALUE;
// create the child
// (Note: the primary partition index is indeed the child index, since
// we picked the first empty primary partition.)
BMutablePartition* partition = Partition();
BMutablePartition* child;
error = partition->CreateChild(primary->Index(), typeString, name,
parameters, &child);
if (error != B_OK)
return error;
// init the child
child->SetOffset(offset);
child->SetSize(size);
child->SetBlockSize(partition->BlockSize());
//child->SetFlags(0);
child->SetChildCookie(primary);
// init the primary partition
primary->SetTo(offset, size, type.Type(), active, partition->BlockSize());
*_child = child;
return B_OK;
}
