Re: [RFC PATCH 1/5] nvme-pci: add function nvme_submit_vf_cmd to issue admin commands for VF driver.

Christoph Hellwig
2022-12-06T06:19:50Z

On Tue, Dec 06, 2022 at 01:58:12PM +0800, Lei Rao wrote:
> The new function nvme_submit_vf_cmd() helps the host VF driver to issue
> VF admin commands. It's helpful in some cases that the host NVMe driver
> does not control VF's admin queue. For example, in the virtualization
> device pass-through case, the VF controller's admin queue is governed
> by the Guest NVMe driver. Host VF driver relies on PF device's admin
> queue to control VF devices like vendor-specific live migration commands.

WTF are you even smoking when you think this would be acceptable?