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[RFC] virtio-blk storage via mmio using virtio-drivers (Qemu) #343

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[RFC] virtio-blk storage via mmio using virtio-drivers (Qemu) #343

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Commits on Oct 1, 2024

  1. ghcb: Use volatile writes for GHCB buffer 

    Use volatile access to ensue writes are not elided or reordered
and data actually reaches the buffer.

Signed-off-by: Oliver Steffen <[email protected]>
    @osteffenrh
    osteffenrh committed Oct 1, 2024
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  2. kernel/sev/ghcb: add MMIO read/write functionality 

    Add GHCB::mmio_read() and GHCB::mmio_write() to perform MMIO
accesses via vmgexit.

Signed-off-by: Oliver Steffen <[email protected]>
    @osteffenrh
    osteffenrh committed Oct 1, 2024
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Commits on Oct 16, 2024

  1. Add virtio-drivers POC 

    Demonstrate the use of the virtio-drivers crate, accessing a
virtio-blk device via the virtio-mmio transport.

Signed-off-by: Oliver Steffen <[email protected]>
    @osteffenrh
    osteffenrh committed Oct 16, 2024
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