On 2023/12/7 02:56, Jason Gunthorpe wrote:
On Fri, Nov 17, 2023 at 05:18:16AM -0800, Yi Liu wrote:
+static int intel_nested_cache_invalidate_user(struct iommu_domain *domain,
+ struct iommu_user_data_array
*array,
+
On 2023/11/20 16:32, Tian, Kevin wrote:
From: Liu, Yi L
Sent: Friday, November 17, 2023 9:18 PM
+
+ if (inv_info.__reserved || (inv_info.flags &
~IOMMU_VTD_INV_FLAGS_LEAF) ||
+ !IS_ALIGNED(inv_info.addr, VTD_PAGE_SIZE)) {
+ ret = -EINVAL;
+
On Fri, Nov 17, 2023 at 05:18:16AM -0800, Yi Liu wrote:
> +static int intel_nested_cache_invalidate_user(struct iommu_domain *domain,
> + struct iommu_user_data_array
> *array,
> + u32 *cerror_idx)
> +{
> + str
> From: Liu, Yi L
> Sent: Friday, November 17, 2023 9:18 PM
> +
> + if (inv_info.__reserved || (inv_info.flags &
> ~IOMMU_VTD_INV_FLAGS_LEAF) ||
> + !IS_ALIGNED(inv_info.addr, VTD_PAGE_SIZE)) {
> + ret = -EINVAL;
> + break;
> +
This implements the .cache_invalidate_user() callback to support iotlb
flush for nested domain.
Signed-off-by: Lu Baolu
Signed-off-by: Yi Liu
---
drivers/iommu/intel/nested.c | 54
1 file changed, 54 insertions(+)
diff --git a/drivers/iommu/intel/nested.c b
