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#include <Kernel/Devices/OffsetDiskDevice.h>
// #define OFFD_DEBUG
Retained<OffsetDiskDevice> OffsetDiskDevice::create(Retained<DiskDevice>&& device, unsigned block_offset)
{
return adopt(*new OffsetDiskDevice(move(device), block_offset));
}
OffsetDiskDevice::OffsetDiskDevice(Retained<DiskDevice>&& device, unsigned block_offset)
: m_device(move(device)), m_block_offset(block_offset)
{
}
OffsetDiskDevice::~OffsetDiskDevice()
{
}
unsigned OffsetDiskDevice::block_size() const
{
return m_device->block_size();
}
bool OffsetDiskDevice::read_block(unsigned index, byte* out) const
{
#ifdef OFFD_DEBUG
kprintf("OffsetDiskDevice::read_block %u (really: %u)\n", index, m_block_offset + index);
#endif
return m_device->read_block(m_block_offset + index, out);
}
bool OffsetDiskDevice::write_block(unsigned index, const byte* data)
{
#ifdef OFFD_DEBUG
kprintf("OffsetDiskDevice::write_block %u (really: %u)\n", index, m_block_offset + index);
#endif
return m_device->write_block(m_block_offset + index, data);
}
bool OffsetDiskDevice::read_blocks(unsigned index, word count, byte* out)
{
#ifdef OFFD_DEBUG
kprintf("OffsetDiskDevice::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 OffsetDiskDevice::write_blocks(unsigned index, word count, const byte* data)
{
#ifdef OFFD_DEBUG
kprintf("OffsetDiskDevice::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* OffsetDiskDevice::class_name() const
{
return "OffsetDiskDevice";
}
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