On Tue, Nov 28, 2023 at 6:52 PM Jason Gunthorpe wrote:
>
> On Tue, Nov 28, 2023 at 08:49:31PM +, Pasha Tatashin wrote:
> > Convert iommu/iommufd/* files to use the new page allocation functions
> > provided in iommu-pages.h.
> >
> > Signed-off-by: Pasha Tatashin
> > ---
> > drivers/iommu/iom
> Reviewed-by: Janne Grunau
Thank you,
Pasha
On Tue, Nov 28, 2023 at 6:53 PM Jason Gunthorpe wrote:
>
> On Tue, Nov 28, 2023 at 08:49:38PM +, Pasha Tatashin wrote:
> > iommu allocations should be accounted in order to allow admins to
> > monitor and limit the amount of iommu memory.
> >
> > Signed-off-by: Pasha Tatashin
> > ---
> > dri
On Wed, Nov 29, 2023 at 3:03 PM Jason Gunthorpe wrote:
>
> On Wed, Nov 29, 2023 at 02:45:03PM -0500, Pasha Tatashin wrote:
>
> > > same kind of big systems where IOMMU pagetables would be of any concern.
> > > I believe some of the some of the "serious" NICs can easily run up
> > > hundreds of meg
On Wed, Nov 29, 2023 at 02:45:03PM -0500, Pasha Tatashin wrote:
> > same kind of big systems where IOMMU pagetables would be of any concern.
> > I believe some of the some of the "serious" NICs can easily run up
> > hundreds of megabytes if not gigabytes worth of queues, SKB pools, etc.
> > - woul
> >> We can separate the metric into two:
> >> iommu pagetable only
> >> iommu everything
> >>
> >> or into three:
> >> iommu pagetable only
> >> iommu dma
> >> iommu everything
> >>
> >> What do you think?
> >
> > I think I said this at LPC - if you want to have fine grained
> > accounting of memo
On 28/11/2023 11:50 pm, Jason Gunthorpe wrote:
On Tue, Nov 28, 2023 at 06:00:13PM -0500, Pasha Tatashin wrote:
On Tue, Nov 28, 2023 at 5:53 PM Robin Murphy wrote:
On 2023-11-28 8:49 pm, Pasha Tatashin wrote:
Convert iommu/fsl_pamu.c to use the new page allocation functions
provided in iommu-
Expose vfio_pci_core_setup_barmap() to be used by drivers.
This will let drivers to mmap a BAR and re-use it from both vfio and the
driver when it's applicable.
This API will be used in the next patches by the vfio/virtio coming
driver.
Signed-off-by: Yishai Hadas
---
drivers/vfio/pci/vfio_pci
Introduce APIs to execute legacy IO admin commands.
It includes: io_legacy_read/write for both common and the device
configuration, io_legacy_notify_info.
In addition, exposing an API to check whether the legacy IO commands are
supported. (i.e. virtio_pci_admin_has_legacy_io()).
Those APIs will
From: Feng Liu
Introduce support for the admin virtqueue. By negotiating
VIRTIO_F_ADMIN_VQ feature, driver detects capability and creates one
administration virtqueue. Administration virtqueue implementation in
virtio pci generic layer, enables multiple types of upper layer
drivers such as vfio,
From: Feng Liu
Add support for sending admin command through admin virtqueue interface.
Abort any inflight admin commands once device reset completes. Activate
admin queue when device becomes ready; deactivate on device reset.
To comply to the below specification statement [1], the admin virtque
This series introduce a vfio driver over virtio devices to support the
legacy interface functionality for VFs.
Background, from the virtio spec [1].
In some systems, there is a need to support a virtio legacy driver with
a device
From: Feng Liu
Introduce VIRTIO_F_ADMIN_VQ which is used for administration virtqueue
support.
Signed-off-by: Feng Liu
Reviewed-by: Parav Pandit
Reviewed-by: Jiri Pirko
Signed-off-by: Yishai Hadas
---
include/uapi/linux/virtio_config.h | 8 +++-
1 file changed, 7 insertions(+), 1 deleti
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