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virtio.h: add memory operation for virtio device #541

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virtio.h: add memory operation for virtio device #541

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Commits on Sep 14, 2024

  1. virtio.h: add memory operation for virtio device 

    Buffer management is different for different transport layer:

For MMIO transport layer, the buffer can direclty malloced from
the gust os heap beacase the hypervisor can access all the memmory own
by guest os.

For remoteproc transpor layer, the buffer should be malloced from
the share memory region to make sure the remote core can access this
buffer too.

So add memory ops in virtio device to make different transport/device can
implement their own share memory management.

Signed-off-by: Bowen Wang <[email protected]>
    @CV-Bowen
    CV-Bowen committed Sep 14, 2024
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