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From: "Tan, Jianfeng" <jianfeng.tan@intel.com>
To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>,
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Thread-Topic: [dpdk-dev] [PATCH 04/12] vdev: move to drivers/bus
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Date: Tue, 19 Sep 2017 06:01:14 +0000
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Subject: Re: [dpdk-dev] [PATCH 04/12] vdev: move to drivers/bus
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Hi Pablo

> -----Original Message-----
> From: De Lara Guarch, Pablo
> Sent: Monday, September 18, 2017 7:48 PM
> To: Tan, Jianfeng; Ga=EBtan Rivet
> Cc: dev@dpdk.org; Richardson, Bruce; Ananyev, Konstantin;
> thomas@monjalon.net; yliu@fridaylinux.org; maxime.coquelin@redhat.com;
> mtetsuyah@gmail.com; Yigit, Ferruh
> Subject: RE: [dpdk-dev] [PATCH 04/12] vdev: move to drivers/bus
>=20
>=20
...
> > > Let's say the cryptodev lib must be updated.
> > > I understand the need to move rte_cryptodev_vdev.h outside
> > > librte_cryptodev, but I guess this exposes the vdev bus to ABI / API
> > > instability due to a third-party subsystem?
> >
> > Thank you for bringing up this question. I really don't want to move
> > these crypto-specific files into bus/vdev/. It's just some helper
> > functions to be called by crypto vdev drivers. And what's more, the onl=
y
> > dependence on vdev is that the API rte_cryptodev_vdev_pmd_init() has a
> > parameter of struct rte_vdev_device, which is totally not necessary, as
> > it only needs a struct rte_device parameter.
> >
> > In all, I'd prefer to change this specific API and move those
> > crypto-specific files back to lib/librte_crypto (just like ether dev an=
d
> > eventdev); but it needs API change announcement.
> >
> > Any thoughts?
>=20
> I think we should keep this API in cryptodev. It looks strange to have so=
me
> Crypto specific functions in a file like this that should contain generic=
 vdev
> functions.

OK, I'll try to put those files back, see if possible to add a dependency o=
n librte_bus_vdev in lib_cryptodev.

...
>=20
> Btw, for future times, strip out all the text where there are no comments=
,
> so it is easier to review by others.

Thank you for the reminder.

Thanks,
Jianfeng=20

>=20
> Thanks,
> Pablo