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#include <Kernel/Devices/DiskPartition.h>
// #define OFFD_DEBUG
NonnullRefPtr<DiskPartition> DiskPartition::create(DiskDevice& device, unsigned block_offset, unsigned block_limit)
{
return adopt(*new DiskPartition(device, block_offset, block_limit));
}
DiskPartition::DiskPartition(DiskDevice& device, unsigned block_offset, unsigned block_limit)
: DiskDevice(100, 0, device.block_size())
, m_device(device)
, m_block_offset(block_offset)
, m_block_limit(block_limit)
{
}
DiskPartition::~DiskPartition()
{
}
bool DiskPartition::read_block(unsigned index, u8* out) const
{
#ifdef OFFD_DEBUG
kprintf("DiskPartition::read_block %u (really: %u)\n", index, m_block_offset + index);
#endif
return m_device->read_block(m_block_offset + index, out);
}
bool DiskPartition::write_block(unsigned index, const u8* data)
{
#ifdef OFFD_DEBUG
kprintf("DiskPartition::write_block %u (really: %u)\n", index, m_block_offset + index);
#endif
return m_device->write_block(m_block_offset + index, data);
}
bool DiskPartition::read_blocks(unsigned index, u16 count, u8* out)
{
#ifdef OFFD_DEBUG
kprintf("DiskPartition::read_blocks %u (really: %u) count=%u\n", index, m_block_offset + index, count);
#endif
return m_device->read_blocks(m_block_offset + index, count, out);
}
bool DiskPartition::write_blocks(unsigned index, u16 count, const u8* data)
{
#ifdef OFFD_DEBUG
kprintf("DiskPartition::write_blocks %u (really: %u) count=%u\n", index, m_block_offset + index, count);
#endif
return m_device->write_blocks(m_block_offset + index, count, data);
}
const char* DiskPartition::class_name() const
{
return "DiskPartition";
}
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