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From: Jason Gunthorpe <jgg@mellanox.com>
To: Jason Wang <jasowang@redhat.com>
Cc: "rdunlap@infradead.org" <rdunlap@infradead.org>,
	"jakub.kicinski@netronome.com" <jakub.kicinski@netronome.com>,
	"christophe.de.dinechin@gmail.com"
	<christophe.de.dinechin@gmail.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"oberpar@linux.ibm.com" <oberpar@linux.ibm.com>,
	"kwankhede@nvidia.com" <kwankhede@nvidia.com>,
	"rob.miller@broadcom.com" <rob.miller@broadcom.com>,
	"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
	"sebott@linux.ibm.com" <sebott@linux.ibm.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"eperezma@redhat.com" <eperezma@redhat.com>,
	"pasic@linux.ibm.com" <pasic@linux.ibm.com>,
	"borntraeger@de.ibm.com" <borntraeger@de.ibm.com>,
	haotian.wang@s
Subject: Re: [PATCH V13 4/6] mdev: introduce mediated virtio bus
Date: Tue, 19 Nov 2019 12:38:08 +0000	[thread overview]
Message-ID: <20191119123803.GA26739@mellanox.com> (raw)
In-Reply-To: <a09f528f-cfca-69cf-4728-91ff33c5caa7@redhat.com>

On Tue, Nov 19, 2019 at 10:41:31AM +0800, Jason Wang wrote:
> 
> On 2019/11/19 上午4:28, Jason Gunthorpe wrote:
> > On Mon, Nov 18, 2019 at 03:27:13PM -0500, Michael S. Tsirkin wrote:
> > > On Mon, Nov 18, 2019 at 01:41:00PM +0000, Jason Gunthorpe wrote:
> > > > On Mon, Nov 18, 2019 at 06:59:21PM +0800, Jason Wang wrote:
> > > > > +struct bus_type mdev_virtio_bus_type;
> > > > > +
> > > > > +struct mdev_virtio_device {
> > > > > +	struct mdev_device mdev;
> > > > > +	const struct mdev_virtio_ops *ops;
> > > > > +	u16 class_id;
> > > > > +};
> > > > This seems to share nothing with mdev (ie mdev-vfio), why is it on the
> > > > same bus?
> > > I must be missing something - which bus do they share?
> > mdev_bus_type ?
> > 
> > Jason
> 
> 
> Note: virtio has its own bus: mdev_virtio_bus_type. So they are not the same
> bus.

That is even worse, why involve struct mdev_device at all then?

Jason
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@mellanox.com>
To: Jason Wang <jasowang@redhat.com>
Cc: "rdunlap@infradead.org" <rdunlap@infradead.org>,
	"jakub.kicinski@netronome.com" <jakub.kicinski@netronome.com>,
	"christophe.de.dinechin@gmail.com"
	<christophe.de.dinechin@gmail.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"airlied@linux.ie" <airlied@linux.ie>,
	"heiko.carstens@de.ibm.com" <heiko.carstens@de.ibm.com>,
	"dri-devel@lists.freedesktop.org"
	<dri-devel@lists.freedesktop.org>,
	"oberpar@linux.ibm.com" <oberpar@linux.ibm.com>,
	"kwankhede@nvidia.com" <kwankhede@nvidia.com>,
	"rob.miller@broadcom.com" <rob.miller@broadcom.com>,
	"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
	"sebott@linux.ibm.com" <sebott@linux.ibm.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"eperezma@redhat.com" <eperezma@redhat.com>,
	"pasic@linux.ibm.com" <pasic@linux.ibm.com>,
	"borntraeger@de.ibm.com" <borntraeger@de.ibm.com>,
	"haotian.wang@sifive.com" <haotian.wang@sifive.com>,
	"jeffrey.t.kirsher@intel.com" <jeffrey.t.kirsher@intel.com>,
	"cunming.liang@intel.com" <cunming.liang@intel.com>,
	"farman@linux.ibm.com" <farman@linux.ibm.com>,
	Parav Pandit <parav@mellanox.com>,
	"gor@linux.ibm.com" <gor@linux.ibm.com>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"xiao.w.wang@intel.com" <xiao.w.wang@intel.com>,
	"freude@linux.ibm.com" <freude@linux.ibm.com>,
	"stefanha@redhat.com" <stefanha@redhat.com>,
	"zhihong.wang@intel.com" <zhihong.wang@intel.com>,
	"intel-gvt-dev@lists.freedesktop.org"
	<intel-gvt-dev@lists.freedesktop.org>,
	"hch@infradead.org" <hch@infradead.org>,
	"akrowiak@linux.ibm.com" <akrowiak@linux.ibm.com>,
	"aadam@redhat.com" <aadam@redhat.com>,
	Jiri Pirko <jiri@mellanox.com>,
	"tiwei.bie@intel.com" <tiwei.bie@intel.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"cohuck@redhat.com" <cohuck@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"lingshan.zhu@intel.com" <lingshan.zhu@intel.com>
Subject: Re: [Intel-gfx] [PATCH V13 4/6] mdev: introduce mediated virtio bus
Date: Tue, 19 Nov 2019 12:38:08 +0000	[thread overview]
Message-ID: <20191119123803.GA26739@mellanox.com> (raw)
Message-ID: <20191119123808.KS1N_XEN9HmmyrFtZlQJMUwUdXs9BUCpUjUaZJsk4hg@z> (raw)
In-Reply-To: <a09f528f-cfca-69cf-4728-91ff33c5caa7@redhat.com>

On Tue, Nov 19, 2019 at 10:41:31AM +0800, Jason Wang wrote:
> 
> On 2019/11/19 上午4:28, Jason Gunthorpe wrote:
> > On Mon, Nov 18, 2019 at 03:27:13PM -0500, Michael S. Tsirkin wrote:
> > > On Mon, Nov 18, 2019 at 01:41:00PM +0000, Jason Gunthorpe wrote:
> > > > On Mon, Nov 18, 2019 at 06:59:21PM +0800, Jason Wang wrote:
> > > > > +struct bus_type mdev_virtio_bus_type;
> > > > > +
> > > > > +struct mdev_virtio_device {
> > > > > +	struct mdev_device mdev;
> > > > > +	const struct mdev_virtio_ops *ops;
> > > > > +	u16 class_id;
> > > > > +};
> > > > This seems to share nothing with mdev (ie mdev-vfio), why is it on the
> > > > same bus?
> > > I must be missing something - which bus do they share?
> > mdev_bus_type ?
> > 
> > Jason
> 
> 
> Note: virtio has its own bus: mdev_virtio_bus_type. So they are not the same
> bus.

That is even worse, why involve struct mdev_device at all then?

Jason
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2019-11-19 12:38 UTC|newest]

Thread overview: 100+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-18 10:59 [PATCH V13 0/6] mdev based hardware virtio offloading support Jason Wang
2019-11-18 10:59 ` [Intel-gfx] " Jason Wang
2019-11-18 10:59 ` Jason Wang
2019-11-18 10:59 ` [PATCH V13 1/6] mdev: make mdev bus agnostic Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-19  3:08   ` Randy Dunlap
2019-11-19  3:08     ` [Intel-gfx] " Randy Dunlap
2019-11-19  3:08     ` Randy Dunlap
2019-11-19  3:08     ` Randy Dunlap
2019-11-18 10:59 ` [PATCH V13 2/6] mdev: split out VFIO bus specific parent ops Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59 ` [PATCH V13 3/6] mdev: move to drivers/ Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-19  3:11   ` Randy Dunlap
2019-11-19  3:11     ` [Intel-gfx] " Randy Dunlap
2019-11-19  3:11     ` Randy Dunlap
2019-11-19  3:11     ` Randy Dunlap
2019-11-18 10:59 ` [PATCH V13 4/6] mdev: introduce mediated virtio bus Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 13:41   ` Jason Gunthorpe
2019-11-18 13:41     ` [Intel-gfx] " Jason Gunthorpe
2019-11-18 13:41     ` Jason Gunthorpe
2019-11-18 20:27     ` Michael S. Tsirkin
2019-11-18 20:27       ` [Intel-gfx] " Michael S. Tsirkin
2019-11-18 20:27       ` Michael S. Tsirkin
2019-11-18 20:28       ` Jason Gunthorpe
2019-11-18 20:28         ` [Intel-gfx] " Jason Gunthorpe
2019-11-18 20:28         ` Jason Gunthorpe
2019-11-19  2:41         ` Jason Wang
2019-11-19  2:41           ` [Intel-gfx] " Jason Wang
2019-11-19  2:41           ` Jason Wang
2019-11-19 12:38           ` Jason Gunthorpe [this message]
2019-11-19 12:38             ` [Intel-gfx] " Jason Gunthorpe
2019-11-19 14:02             ` Jason Wang
2019-11-19 14:02               ` [Intel-gfx] " Jason Wang
2019-11-19 14:02               ` Jason Wang
2019-11-19 14:14               ` Jason Gunthorpe
2019-11-19 14:14                 ` [Intel-gfx] " Jason Gunthorpe
2019-11-20  2:14                 ` Jason Wang
2019-11-20  2:14                   ` [Intel-gfx] " Jason Wang
2019-11-20  2:14                   ` Jason Wang
2019-11-20 13:49                   ` Jason Gunthorpe
2019-11-20 13:49                     ` [Intel-gfx] " Jason Gunthorpe
2019-11-20 13:49                     ` Jason Gunthorpe
2019-11-21  3:05                     ` Jason Wang
2019-11-21  3:05                       ` [Intel-gfx] " Jason Wang
2019-11-21  3:05                       ` Jason Wang
2019-11-26 12:07                   ` Rob Miller
2019-11-26 12:07                     ` [Intel-gfx] " Rob Miller
2019-11-26 12:07                     ` Rob Miller
2019-11-19  2:40     ` Jason Wang
2019-11-19  2:40       ` [Intel-gfx] " Jason Wang
2019-11-19  2:40       ` Jason Wang
2019-11-19  3:13   ` Randy Dunlap
2019-11-19  3:13     ` [Intel-gfx] " Randy Dunlap
2019-11-19  3:13     ` Randy Dunlap
2019-11-19  3:13     ` Randy Dunlap
2019-11-18 10:59 ` [PATCH V13 5/6] virtio: introduce a mdev based transport Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59 ` [PATCH V13 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Jason Wang
2019-11-18 10:59   ` [Intel-gfx] " Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 10:59   ` Jason Wang
2019-11-18 15:17   ` Greg KH
2019-11-18 15:17     ` [Intel-gfx] " Greg KH
2019-11-18 15:17     ` Greg KH
2019-11-18 15:17     ` Greg KH
2019-11-19  3:03     ` Jason Wang
2019-11-19  3:03       ` [Intel-gfx] " Jason Wang
2019-11-19  3:03       ` Jason Wang
2019-11-19  3:03       ` Jason Wang
2019-11-19 12:40       ` Jason Gunthorpe
2019-11-19 12:40         ` [Intel-gfx] " Jason Gunthorpe
2019-11-19 14:07         ` Jason Wang
2019-11-19 14:07           ` [Intel-gfx] " Jason Wang
2019-11-19 14:07           ` Jason Wang
2019-11-19 16:39           ` Jason Gunthorpe
2019-11-19 16:39             ` [Intel-gfx] " Jason Gunthorpe
2019-11-18 15:45   ` Cornelia Huck
2019-11-18 15:45     ` [Intel-gfx] " Cornelia Huck
2019-11-18 15:45     ` Cornelia Huck
2019-11-18 15:45     ` Cornelia Huck
2019-11-19  3:04     ` Jason Wang
2019-11-19  3:04       ` [Intel-gfx] " Jason Wang
2019-11-19  3:04       ` Jason Wang
2019-11-19  3:04       ` Jason Wang
2019-11-18 13:35 ` ✗ Fi.CI.CHECKPATCH: warning for mdev based hardware virtio offloading support Patchwork
2019-11-18 13:35   ` [Intel-gfx] " Patchwork
2019-11-18 13:51 ` ✗ Fi.CI.DOCS: " Patchwork
2019-11-18 13:51   ` [Intel-gfx] " Patchwork
2019-11-18 14:25 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-11-18 14:25   ` [Intel-gfx] " Patchwork

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