> +enum {
> + VMCI_SUCCESS_QUEUEPAIR_ATTACH = 5,
> + VMCI_SUCCESS_QUEUEPAIR_CREATE = 4,
> + VMCI_SUCCESS_LAST_DETACH = 3,
> + VMCI_SUCCESS_ACCESS_GRANTED = 2,
> + VMCI_SUCCESS_ENTRY_DEAD = 1,
We've got a nice collection of Linux error codes than you, and it would
make the driver enormously more readable on the Linux side if as low
level as possible it started using Linux error codes.
> + VMCI_SUCCESS = 0,
> + VMCI_ERROR_INVALID_RESOURCE = (-1),
> + VMCI_ERROR_INVALID_ARGS = (-2),
> + VMCI_ERROR_NO_MEM = (-3),
> + VMCI_ERROR_DATAGRAM_FAILED = (-4),
> + VMCI_ERROR_MORE_DATA = (-5),
> + VMCI_ERROR_NO_MORE_DATAGRAMS = (-6),
> + VMCI_ERROR_NO_ACCESS = (-7),
> + VMCI_ERROR_NO_HANDLE = (-8),
> + VMCI_ERROR_DUPLICATE_ENTRY = (-9),
> + VMCI_ERROR_DST_UNREACHABLE = (-10),
> + VMCI_ERROR_PAYLOAD_TOO_LARGE = (-11),
> + VMCI_ERROR_INVALID_PRIV = (-12),
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