Hi Lu Baolu,
On Thu, Jan 24, 2019 at 02:47:39PM +0800, Lu Baolu wrote:
> bool iommu_dev_feature_enabled(dev, IOMMU_DEV_FEAT_AUX)?
Looks good. Having a function to check for enabled features is certainly
a good thing.
Regards,
Joerg
Hi Joerg,
On 1/11/19 7:16 PM, Joerg Roedel wrote:
+
+static bool
+intel_iommu_dev_has_feat(struct device *dev, enum iommu_dev_features feat)
+{
+ struct device_domain_info *info = dev->archdata.iommu;
+
+ if (feat == IOMMU_DEV_FEAT_AUX)
+ return scalable_mode_support()
Hi Joerg,
Thanks for reviewing my patch.
On 1/11/19 7:16 PM, Joerg Roedel wrote:
Hi,
this looks a bit confusing to me because I can see no checking whether
the device actually supports scalable mode.
Yes. I should put some checking there. Device scalable mode capability
is exposed in PCI
Hi,
this looks a bit confusing to me because I can see no checking whether
the device actually supports scalable mode. More below:
On Thu, Jan 10, 2019 at 11:00:21AM +0800, Lu Baolu wrote:
> +static int intel_iommu_enable_auxd(struct device *dev)
> +{
> + struct device_domain_info *info;
> +
This adds the iommu ops entries for aux-domain per-device
feature query and enable/disable.
Cc: Ashok Raj
Cc: Jacob Pan
Cc: Kevin Tian
Signed-off-by: Sanjay Kumar
Signed-off-by: Liu Yi L
Signed-off-by: Lu Baolu
---
drivers/iommu/intel-iommu.c | 86 +
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