> From: Jason Gunthorpe
> Sent: Wednesday, June 14, 2023 9:38 PM
>
> On Wed, Jun 14, 2023 at 01:05:45PM +, Liu, Yi L wrote:
> > > -EAGAIN basically means the kernel internally malfunctioned - eg it
> > > allocated too little space for the actual size of devices. That is no
> > > longer
On Wed, Jun 14, 2023 at 01:05:45PM +, Liu, Yi L wrote:
> > -EAGAIN basically means the kernel internally malfunctioned - eg it
> > allocated too little space for the actual size of devices. That is no
> > longer possible in this version so it should never return -EAGAIN.
>
> I still have one
> From: Jason Gunthorpe
> Sent: Wednesday, June 14, 2023 8:17 PM
>
> On Wed, Jun 14, 2023 at 10:35:10AM +, Liu, Yi L wrote:
>
> > > - if (fill->cur == fill->max)
> > > - return -EAGAIN; /* Something changed, try again */
> > > + if (fill->devices_end >= fill->devices)
> > > +
On Wed, Jun 14, 2023 at 10:35:10AM +, Liu, Yi L wrote:
> > - if (fill->cur == fill->max)
> > - return -EAGAIN; /* Something changed, try again */
> > + if (fill->devices_end >= fill->devices)
> > + return -ENOSPC;
>
> This should be fill->devices_end <= fill->devices.
> From: Jason Gunthorpe
> Sent: Wednesday, June 14, 2023 2:23 AM
>
> On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> > This allows VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl use the iommufd_ctx
> > of the cdev device to check the ownership of the other affected devices.
> >
> > When
On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> This allows VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl use the iommufd_ctx
> of the cdev device to check the ownership of the other affected devices.
>
> When VFIO_DEVICE_GET_PCI_HOT_RESET_INFO is called on an IOMMUFD managed
> device, the
On Tue, Jun 13, 2023 at 08:32:29AM -0600, Alex Williamson wrote:
> On Tue, 13 Jun 2023 12:50:43 +
> "Liu, Yi L" wrote:
>
> > > From: Jason Gunthorpe
> > > Sent: Tuesday, June 13, 2023 7:47 PM
> > >
> > > On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> > > > +/*
> > > > + *
On Tue, 13 Jun 2023 12:50:43 +
"Liu, Yi L" wrote:
> > From: Jason Gunthorpe
> > Sent: Tuesday, June 13, 2023 7:47 PM
> >
> > On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> > > +/*
> > > + * Return devid for a device which is affected by hot-reset.
> > > + * - valid devid > 0
> From: Jason Gunthorpe
> Sent: Tuesday, June 13, 2023 7:47 PM
>
> On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> > +/*
> > + * Return devid for a device which is affected by hot-reset.
> > + * - valid devid > 0 for the device that is bound to the input
> > + * iommufd_ctx.
> > + *
On Fri, Jun 02, 2023 at 05:15:14AM -0700, Yi Liu wrote:
> +/*
> + * Return devid for a device which is affected by hot-reset.
> + * - valid devid > 0 for the device that is bound to the input
> + * iommufd_ctx.
> + * - devid == VFIO_PCI_DEVID_OWNED for the device that has not
> + * been bound
> From: Alex Williamson
> Sent: Friday, June 9, 2023 6:27 AM
>
> On Fri, 2 Jun 2023 05:15:14 -0700
> Yi Liu wrote:
>
> > This allows VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl use the iommufd_ctx
> > of the cdev device to check the ownership of the other affected devices.
> >
> > When
On Fri, 2 Jun 2023 05:15:14 -0700
Yi Liu wrote:
> This allows VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl use the iommufd_ctx
> of the cdev device to check the ownership of the other affected devices.
>
> When VFIO_DEVICE_GET_PCI_HOT_RESET_INFO is called on an IOMMUFD managed
> device, the new
This allows VFIO_DEVICE_GET_PCI_HOT_RESET_INFO ioctl use the iommufd_ctx
of the cdev device to check the ownership of the other affected devices.
When VFIO_DEVICE_GET_PCI_HOT_RESET_INFO is called on an IOMMUFD managed
device, the new flag VFIO_PCI_HOT_RESET_FLAG_DEV_ID is reported to indicate
the
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