On 11/10/2022 11:49 AM, Jason Wang wrote:
On Wed, Nov 9, 2022 at 5:06 PM Zhu, Lingshan <lingshan.zhu@xxxxxxxxx> wrote:
On 11/9/2022 4:59 PM, Jason Wang wrote:
On Wed, Nov 9, 2022 at 4:14 PM Zhu, Lingshan <lingshan.zhu@xxxxxxxxx> wrote:
On 11/9/2022 2:51 PM, Jason Wang wrote:
On Mon, Nov 7, 2022 at 5:42 PM Zhu Lingshan <lingshan.zhu@xxxxxxxxx> wrote:
This series implements features provisioning for ifcvf.
By applying this series, we allow userspace to create
a vDPA device with selected (management device supported)
feature bits and mask out others.
I don't see a direct relationship between the first 3 and the last.
Maybe you can state the reason why the restructure is a must for the
feature provisioning. Otherwise, we'd better split the series.
When introducing features provisioning ability to ifcvf, there is a need
to re-create vDPA devices
on a VF with different feature bits.
This seems a requirement even without feature provisioning? Device
could be deleted from the management device anyhow.
Yes, we need this to delete and re-create a vDPA device.
I wonder if we need something that works for -stable.
I can add a fix tag, so these three patches could apply to stable
AFAIK, we can move the vdpa_alloc_device() from probe() to dev_add()
and it seems to work?
Yes and this is done in this series and that's why we need these
refactoring code.
By the way, do you have any comments to the patches?
Thanks,
Zhu Lingshan
Thanks
We create vDPA device from a VF, so without features provisioning
requirements,
we don't need to re-create the vDPA device. But with features provisioning,
it is a must now.
Thanks
Thakns
When remove a vDPA device, the container of struct vdpa_device (here is
ifcvf_adapter) is free-ed in
dev_del() interface, so we need to allocate ifcvf_adapter in dev_add()
than in probe(). That's
why I have re-factored the adapter/mgmt_dev code.
For re-factoring the irq related code and ifcvf_base, let them work on
struct ifcvf_hw, the
reason is that the adapter is allocated in dev_add(), if we want theses
functions to work
before dev_add(), like in probe, we need them work on ifcvf_hw than the
adapter.
Thanks
Zhu Lingshan
Thanks
Please help review
Thanks
Zhu Lingshan (4):
vDPA/ifcvf: ifcvf base layer interfaces work on struct ifcvf_hw
vDPA/ifcvf: IRQ interfaces work on ifcvf_hw
vDPA/ifcvf: allocate ifcvf_adapter in dev_add()
vDPA/ifcvf: implement features provisioning
drivers/vdpa/ifcvf/ifcvf_base.c | 32 ++-----
drivers/vdpa/ifcvf/ifcvf_base.h | 10 +-
drivers/vdpa/ifcvf/ifcvf_main.c | 156 +++++++++++++++-----------------
3 files changed, 89 insertions(+), 109 deletions(-)
--
2.31.1
