VirtIO guest drivers in Rust. For no_std environment. fork from rcore-os

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Andrew Walbran b1f457a3c1 Implement Pci::config_space().		%!s(int64=2) %!d(string=hai) anos
.github	4ee80e50ba Add tests for VirtQueue (#12)	%!s(int64=2) %!d(string=hai) anos
examples	7735f7a437 Allocate 64-bit BARs from 32-bit address space.	%!s(int64=2) %!d(string=hai) anos
src	b1f457a3c1 Implement Pci::config_space().	%!s(int64=2) %!d(string=hai) anos
.gitignore	79ac8bf5fd Ignore all target directories in one .gitignore.	%!s(int64=2) %!d(string=hai) anos
Cargo.toml	2298da2893 Make alloc optional.	%!s(int64=2) %!d(string=hai) anos
LICENSE	6c88bcf3ed add simple README and LICENSE	%!s(int64=5) %!d(string=hai) anos
README.md	adf5e8b650 Document supported transports and features. (#15)	%!s(int64=2) %!d(string=hai) anos

VirtIO-drivers-rs

VirtIO guest drivers in Rust. For no_std environment.

Support status

Device types

Device	Supported
Block	✅
Net	✅
GPU	✅
Input	✅
Console	✅
...	❌

Transports

Transport	Supported
Legacy MMIO	✅	version 1
MMIO	✅	version 2
PCI	❌

Device-independent features

Feature flag	Supported
`VIRTIO_F_INDIRECT_DESC`	❌	Indirect descriptors
`VIRTIO_F_EVENT_IDX`	❌	`avail_event` and `used_event` fields
`VIRTIO_F_VERSION_1`	TODO	VirtIO version 1 compliance
`VIRTIO_F_ACCESS_PLATFORM`	❌	Limited device access to memory
`VIRTIO_F_RING_PACKED`	❌	Packed virtqueue layout
`VIRTIO_F_IN_ORDER`	❌	Optimisations for in-order buffer usage
`VIRTIO_F_ORDER_PLATFORM`	❌	Platform ordering for memory access
`VIRTIO_F_SR_IOV`	❌	Single root I/O virtualization
`VIRTIO_F_NOTIFICATION_DATA`	❌	Extra data in device notifications

Examples & Tests

x86_64 (TODO)
RISCV