RE: [PATCH v3 01/13] iommu: Change type of pasid to unsigned int

[Luck, Tony]

> Is PASID in the uapi at all?


$ grep pasid include/uapi/linux/iommu.h
* @pasid: Process Address Space ID
        __u32   pasid;
 * @pasid: Process Address Space ID
        __u32   pasid;
 * @pasid: Process Address Space ID
        __u32   pasid;
 * - If the PASID bit is set, the @pasid field is populated and the invalidation
 * @pasid: process address space ID
        __u64   pasid;
 * struct iommu_inv_pasid_info - PASID Selective Invalidation Structure
 * - If the PASID bit is set, the @pasid field is populated and the invalidation
 * @pasid: process address space ID
struct iommu_inv_pasid_info {
        __u64   pasid;
 * @pasid_info: invalidation data when @granularity is %IOMMU_INV_GRANU_PASID
                struct iommu_inv_pasid_info pasid_info;
 * struct iommu_gpasid_bind_data_vtd - Intel VT-d specific data on device and 
guest
struct iommu_gpasid_bind_data_vtd {
 * struct iommu_gpasid_bind_data - Information about device and guest PASID 
binding
 * @hpasid:     Process address space ID used for the guest mm in host IOMMU
 * @gpasid:     Process address space ID used for the guest mm in guest IOMMU
struct iommu_gpasid_bind_data {
        __u64 hpasid;
        __u64 gpasid;
                struct iommu_gpasid_bind_data_vtd vtd;