gem5  v22.1.0.0
Classes | Namespaces
base.hh File Reference
#include <cstdint>
#include <functional>
#include <vector>
#include "base/bitunion.hh"
#include "base/compiler.hh"
#include "base/types.hh"
#include "dev/virtio/virtio_ring.h"
#include "mem/port_proxy.hh"
#include "sim/serialize.hh"
#include "sim/sim_object.hh"

Go to the source code of this file.


class  gem5::VirtDescriptor
 VirtIO descriptor (chain) wrapper. More...
class  gem5::VirtQueue
 Base wrapper around a virtqueue. More...
class  gem5::VirtQueue::VirtRing< T >
 VirtIO ring buffer wrapper. More...
struct  gem5::VirtQueue::VirtRing< T >::Header
class  gem5::VirtIODeviceBase
 Base class for all VirtIO-based devices. More...
class  gem5::VirtIODummyDevice


 Reference material can be found at the JEDEC website: UFS standard UFS HCI specification


VirtIO endian conversion helpers

VirtIO prior to version 1.0 (legacy versions) normally send values to the host in the guest systems native byte order. This is going to change in version 1.0 which mandates little endian. We currently only support the legacy version of VirtIO (the new and shiny standard is still in a draft state and not implemented by the kernel). Once we support the new standard, we should negotiate the VirtIO version with the guest and automatically use the right type of byte swapping.

template<typename T >
std::enable_if_t< std::is_same_v< T, vring_used_elem >, T > gem5::swap_byte (T v)
template<typename T >
std::enable_if_t< std::is_same_v< T, vring_desc >, T > gem5::swap_byte (T v)

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