On 5/31/22 12:34, Suravee Suthikulpanit wrote:
> Joao,
>
> On 4/29/22 4:09 AM, Joao Martins wrote:
>> .
>> +static int amd_iommu_set_dirty_tracking(struct iommu_domain *domain,
>> +bool enable)
>> +{
>> +struct protection_domain *pdomain = to_pdomain(dom
Hi Suravee ,
On 2022/5/31 19:34, Suravee Suthikulpanit wrote:
On 4/29/22 4:09 AM, Joao Martins wrote:
.
+static int amd_iommu_set_dirty_tracking(struct iommu_domain *domain,
+ bool enable)
+{
+ struct protection_domain *pdomain = to_pdomain(domain);
+ struct iommu_d
Joao,
On 4/29/22 4:09 AM, Joao Martins wrote:
.
+static int amd_iommu_set_dirty_tracking(struct iommu_domain *domain,
+ bool enable)
+{
+ struct protection_domain *pdomain = to_pdomain(domain);
+ struct iommu_dev_data *dev_data;
+ bool
IOMMU advertises Access/Dirty bits if the extended feature register
reports it. Relevant AMD IOMMU SDM ref[0]
"1.3.8 Enhanced Support for Access and Dirty Bits"
To enable it set the DTE flag in bits 7 and 8 to enable access, or
access+dirty. With that, the IOMMU starts marking the D and A flags on
