On Mon, Jan 24, 2022 at 12:33:02PM -0400, Jason Gunthorpe wrote:
> On Mon, Jan 24, 2022 at 10:16:07AM +, Jean-Philippe Brucker wrote:
> > On Mon, Jan 24, 2022 at 09:58:18AM +, Tian, Kevin wrote:
> > > > From: Lu Baolu
> > > > Sent: Monday, January 24, 2022 3:11 PM
> > > > +/**
> > > > + *
On Tue, Jan 25, 2022 at 02:23:52PM +, Robin Murphy wrote:
> On 2022-01-25 06:27, Lu Baolu wrote:
> Where it's just about which operations are valid for which domains, it's
> even simpler for the core interface wrappers to validate the domain type,
> rather than forcing drivers to implement
On 2022-01-25 06:27, Lu Baolu wrote:
On 1/25/22 8:57 AM, Robin Murphy wrote:
On 2022-01-24 07:11, Lu Baolu wrote:
Add a domain specific callback set, domain_ops, for vendor iommu driver
to provide domain specific operations. Move domain-specific callbacks
from iommu_ops to the domain_ops and
On Tue, Jan 25, 2022 at 12:59:14PM +0800, Lu Baolu wrote:
> On 1/24/22 5:58 PM, Tian, Kevin wrote:
> > > From: Lu Baolu
> > > Sent: Monday, January 24, 2022 3:11 PM
> > > +/**
> > > + * struct domain_ops - per-domain ops
> > > + * @attach_dev: attach an iommu domain to a device
> > > + *
On 1/25/22 8:57 AM, Robin Murphy wrote:
On 2022-01-24 07:11, Lu Baolu wrote:
Add a domain specific callback set, domain_ops, for vendor iommu driver
to provide domain specific operations. Move domain-specific callbacks
from iommu_ops to the domain_ops and hook them when a domain is
allocated.
On 1/25/22 1:55 AM, Jason Gunthorpe wrote:
On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
- int (*enable_nesting)(struct iommu_domain *domain);
Lu, there is an implementation in the Intel driver here, is it usable
at all?
It's useless and I have cleaned it up in this
On 1/24/22 5:58 PM, Tian, Kevin wrote:
From: Lu Baolu
Sent: Monday, January 24, 2022 3:11 PM
+/**
+ * struct domain_ops - per-domain ops
+ * @attach_dev: attach an iommu domain to a device
+ * @detach_dev: detach an iommu domain from a device
What is the criteria about whether an op should be
On 1/25/22 1:24 AM, Jason Gunthorpe wrote:
On Mon, Jan 24, 2022 at 01:37:21AM -0800, Christoph Hellwig wrote:
On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
Add a domain specific callback set, domain_ops, for vendor iommu driver
to provide domain specific operations. Move
On 1/24/22 5:37 PM, Christoph Hellwig wrote:
On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
Add a domain specific callback set, domain_ops, for vendor iommu driver
to provide domain specific operations. Move domain-specific callbacks
from iommu_ops to the domain_ops and hook them
On 2022-01-24 07:11, Lu Baolu wrote:
Add a domain specific callback set, domain_ops, for vendor iommu driver
to provide domain specific operations. Move domain-specific callbacks
from iommu_ops to the domain_ops and hook them when a domain is allocated.
I think it would make a lot of sense for
On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
> - int (*enable_nesting)(struct iommu_domain *domain);
Perhaps for another series, but enable_nesting looks like dead code
too, AFAICT.
Or at the very least I can't figure how out VFIO_TYPE1_NESTING_IOMMU
is supposed to work, or find
On Mon, Jan 24, 2022 at 01:37:21AM -0800, Christoph Hellwig wrote:
> On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
> > Add a domain specific callback set, domain_ops, for vendor iommu driver
> > to provide domain specific operations. Move domain-specific callbacks
> > from iommu_ops to
On Mon, Jan 24, 2022 at 09:58:18AM +, Tian, Kevin wrote:
> > From: Lu Baolu
> > Sent: Monday, January 24, 2022 3:11 PM
> > +/**
> > + * struct domain_ops - per-domain ops
> > + * @attach_dev: attach an iommu domain to a device
> > + * @detach_dev: detach an iommu domain from a device
>
>
On Mon, Jan 24, 2022 at 10:16:07AM +, Jean-Philippe Brucker wrote:
> On Mon, Jan 24, 2022 at 09:58:18AM +, Tian, Kevin wrote:
> > > From: Lu Baolu
> > > Sent: Monday, January 24, 2022 3:11 PM
> > > +/**
> > > + * struct domain_ops - per-domain ops
> > > + * @attach_dev: attach an iommu
On Mon, Jan 24, 2022 at 09:58:18AM +, Tian, Kevin wrote:
> > From: Lu Baolu
> > Sent: Monday, January 24, 2022 3:11 PM
> > +/**
> > + * struct domain_ops - per-domain ops
> > + * @attach_dev: attach an iommu domain to a device
> > + * @detach_dev: detach an iommu domain from a device
>
>
> From: Lu Baolu
> Sent: Monday, January 24, 2022 3:11 PM
> +/**
> + * struct domain_ops - per-domain ops
> + * @attach_dev: attach an iommu domain to a device
> + * @detach_dev: detach an iommu domain from a device
What is the criteria about whether an op should be iommu_ops or domain_ops
when
On Mon, Jan 24, 2022 at 03:11:02PM +0800, Lu Baolu wrote:
> Add a domain specific callback set, domain_ops, for vendor iommu driver
> to provide domain specific operations. Move domain-specific callbacks
> from iommu_ops to the domain_ops and hook them when a domain is allocated.
Ah, that's what
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