66 lines
2.4 KiB
Markdown
66 lines
2.4 KiB
Markdown
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# VirtIO-drivers-rs
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[](https://crates.io/crates/virtio-drivers)
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[](https://docs.rs/virtio-drivers)
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[](https://github.com/rcore-os/virtio-drivers/actions)
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VirtIO guest drivers in Rust. For **no_std** environment.
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## Support status
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### Device types
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| Device | Supported |
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| ------- | --------- |
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| Block | ✅ |
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| Net | ✅ |
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| GPU | ✅ |
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| Input | ✅ |
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| Console | ✅ |
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| Socket | ✅ |
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| ... | ❌ |
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### Transports
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| Transport | Supported | |
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| ----------- | --------- | ------------------------------------------------- |
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| Legacy MMIO | ✅ | version 1 |
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| MMIO | ✅ | version 2 |
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| PCI | ✅ | Memory-mapped CAM only, e.g. aarch64 or PCIe ECAM |
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### Device-independent features
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| Feature flag | Supported | |
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| ---------------------------- | --------- | --------------------------------------- |
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| `VIRTIO_F_INDIRECT_DESC` | ❌ | Indirect descriptors |
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| `VIRTIO_F_EVENT_IDX` | ❌ | `avail_event` and `used_event` fields |
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| `VIRTIO_F_VERSION_1` | TODO | VirtIO version 1 compliance |
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| `VIRTIO_F_ACCESS_PLATFORM` | ❌ | Limited device access to memory |
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| `VIRTIO_F_RING_PACKED` | ❌ | Packed virtqueue layout |
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| `VIRTIO_F_IN_ORDER` | ❌ | Optimisations for in-order buffer usage |
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| `VIRTIO_F_ORDER_PLATFORM` | ❌ | Platform ordering for memory access |
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| `VIRTIO_F_SR_IOV` | ❌ | Single root I/O virtualization |
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| `VIRTIO_F_NOTIFICATION_DATA` | ❌ | Extra data in device notifications |
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## Examples & Tests
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- x86_64 (TODO)
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### [aarch64](./examples/aarch64)
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```bash
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cd examples/aarch64
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make qemu
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```
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### [RISCV](./examples/riscv)
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```bash
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cd examples/riscv
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make qemu
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```
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You will see device info & GUI Window in qemu.
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<img decoding="async" src="https://github.com/rcore-os/virtio-drivers/raw/master/examples/riscv/virtio-test-gpu.png" width="50%">
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