Re: [RFC v4 PATCH 33/49] multi-process: perform device reset in the remote process

[Stefan Hajnoczi]

On Thu, Oct 24, 2019 at 05:09:14AM -0400, Jagannathan Raman wrote:
> +void proxy_device_reset(DeviceState *dev)
> +{
> +    PCIProxyDev *pdev = PCI_PROXY_DEV(dev);
> +    MPQemuMsg msg;
> +
> +    memset(&msg, 0, sizeof(MPQemuMsg));
> +
> +    msg.bytestream = 0;
> +    msg.size = sizeof(msg.data1);
> +    msg.cmd = DEVICE_RESET;
> +
> +    mpqemu_msg_send(pdev->mpqemu_link, &msg, pdev->mpqemu_link->com);
> +}

Device reset must wait for the remote process to finish reset, otherwise
the remote device could still be running after proxy_device_reset()
returns from sending the message.

Stefan

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