On Tue, Feb 03, 2015 at 01:25:07PM +0100, Thierry Reding wrote:
> Sorry for my ignorance, but I don't understand what IOMMU groups are
> supposed to be or how to make use of them. It seems like a common idiom
> is to simply allocate a new group and add a device to it in the IOMMU's
> ->add_device()
On Tue, Jan 27, 2015 at 01:08:57AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel
>
> This patch changes the behavior of the iommu_attach_device
> and iommu_detach_device functions. With this change these
> functions only work on devices that have their own group.
> For all other devices the iom
On Fri, Jan 30, 2015 at 12:28:14PM +, Joerg Roedel wrote:
> On Wed, Jan 28, 2015 at 02:35:24PM +, Will Deacon wrote:
> > On Tue, Jan 27, 2015 at 12:08:57AM +, Joerg Roedel wrote:
> > > @@ -51,6 +51,7 @@ struct iommu_group {
> > > void (*iommu_data_release)(void *iommu_data);
> > > c
On Wed, Jan 28, 2015 at 02:35:24PM +, Will Deacon wrote:
> On Tue, Jan 27, 2015 at 12:08:57AM +, Joerg Roedel wrote:
> > @@ -51,6 +51,7 @@ struct iommu_group {
> > void (*iommu_data_release)(void *iommu_data);
> > char *name;
> > int id;
> > + unsigned dev_cnt;
>
> Is this ac
On Tue, Jan 27, 2015 at 12:08:57AM +, Joerg Roedel wrote:
> From: Joerg Roedel
>
> This patch changes the behavior of the iommu_attach_device
> and iommu_detach_device functions. With this change these
> functions only work on devices that have their own group.
> For all other devices the iom
From: Joerg Roedel
This patch changes the behavior of the iommu_attach_device
and iommu_detach_device functions. With this change these
functions only work on devices that have their own group.
For all other devices the iommu_group_attach/detach
functions must be used.
Signed-off-by: Joerg Roede
