On 27/2/23 22:11, Yi Liu wrote:
This adds ioctl for userspace to bind device cdev fd to iommufd.
VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
control provided by the iommufd. open_device
op is called after bi
> From: Alexey Kardashevskiy
> Sent: Friday, March 10, 2023 10:39 AM
>
> On 27/2/23 22:11, Yi Liu wrote:
> > This adds ioctl for userspace to bind device cdev fd to iommufd.
> >
> > VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain
> DMA
> > control pr
> From: Liu, Yi L
> Sent: Tuesday, March 7, 2023 9:04 PM
>
> > From: Jason Gunthorpe
> > Sent: Tuesday, March 7, 2023 8:38 PM
> >
> > On Tue, Mar 07, 2023 at 06:38:59AM +, Tian, Kevin wrote:
> > > > From: Liu, Yi L
> > > > Sent: Friday, March 3, 2023 2:58 PM
> > > >
> > > > > What should we
> From: Jason Gunthorpe
> Sent: Tuesday, March 7, 2023 8:38 PM
>
> On Tue, Mar 07, 2023 at 06:38:59AM +, Tian, Kevin wrote:
> > > From: Liu, Yi L
> > > Sent: Friday, March 3, 2023 2:58 PM
> > >
> > > > What should we return here anyhow if an access was created?
> > >
> > > iommufd_access->ob
On Tue, Mar 07, 2023 at 06:38:59AM +, Tian, Kevin wrote:
> > From: Liu, Yi L
> > Sent: Friday, March 3, 2023 2:58 PM
> >
> > > What should we return here anyhow if an access was created?
> >
> > iommufd_access->obj.id. should be fine. Is it?
>
> Thinking more I'm not sure whether it's a goo
> From: Liu, Yi L
> Sent: Friday, March 3, 2023 2:58 PM
>
> > What should we return here anyhow if an access was created?
>
> iommufd_access->obj.id. should be fine. Is it?
>
Thinking more I'm not sure whether it's a good idea to fill the
dev_id field with an access object id and then later co
> From: Liu, Yi L
> Sent: Friday, March 3, 2023 2:58 PM
>
> > From: Jason Gunthorpe
> > Sent: Thursday, March 2, 2023 1:47 AM
> >
> > On Wed, Mar 01, 2023 at 09:19:07AM +, Liu, Yi L wrote:
> > > > From: Liu, Yi L
> > > > Sent: Monday, February 27, 2023 7:12 PM
> > > [...]
> > > > +long vfio
> From: Jason Gunthorpe
> Sent: Thursday, March 2, 2023 1:47 AM
>
> On Wed, Mar 01, 2023 at 09:19:07AM +, Liu, Yi L wrote:
> > > From: Liu, Yi L
> > > Sent: Monday, February 27, 2023 7:12 PM
> > [...]
> > > +long vfio_device_ioctl_bind_iommufd(struct vfio_device_file *df,
> > > +
> From: Jason Gunthorpe
> Sent: Thursday, March 2, 2023 1:47 AM
>
> On Wed, Mar 01, 2023 at 09:19:07AM +, Liu, Yi L wrote:
> > > From: Liu, Yi L
> > > Sent: Monday, February 27, 2023 7:12 PM
> > [...]
> > > +long vfio_device_ioctl_bind_iommufd(struct vfio_device_file *df,
> > > +
On Wed, Mar 01, 2023 at 09:19:07AM +, Liu, Yi L wrote:
> > From: Liu, Yi L
> > Sent: Monday, February 27, 2023 7:12 PM
> [...]
> > +long vfio_device_ioctl_bind_iommufd(struct vfio_device_file *df,
> > + unsigned long arg)
> > +{
> > + struct vfio_device *device
> From: Liu, Yi L
> Sent: Monday, February 27, 2023 7:12 PM
[...]
> +long vfio_device_ioctl_bind_iommufd(struct vfio_device_file *df,
> + unsigned long arg)
> +{
> + struct vfio_device *device = df->device;
> + struct vfio_device_bind_iommufd bind;
> + s
> From: Jason Gunthorpe
> Sent: Tuesday, February 28, 2023 3:20 AM
>
> On Mon, Feb 27, 2023 at 03:11:32AM -0800, Yi Liu wrote:
> > This adds ioctl for userspace to bind device cdev fd to iommufd.
> >
> > VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain
> DMA
> >
On Mon, Feb 27, 2023 at 03:11:32AM -0800, Yi Liu wrote:
> This adds ioctl for userspace to bind device cdev fd to iommufd.
>
> VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
> control provided by the iommufd. open_device
>
This adds ioctl for userspace to bind device cdev fd to iommufd.
VFIO_DEVICE_BIND_IOMMUFD: bind device to an iommufd, hence gain DMA
control provided by the iommufd. open_device
op is called after bind_iommufd op.
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