search for: iommu_hwpt_alloc_iopf_cap

Displaying 2 results from an estimated 2 matches for "iommu_hwpt_alloc_iopf_cap".

2023 Nov 02
1
[PATCH v2 0/6] IOMMUFD: Deliver IO page faults to user space
...more closely at the ARM requirements it seems we will need generic events, not just page fault events to have a complete emulation. So I'd like to see this generalized into a channel to carry any events.. > User space indicates its capability of handling IO page faults by > setting the IOMMU_HWPT_ALLOC_IOPF_CAPABLE flag when allocating a > hardware page table (HWPT). IOMMUFD will then set up its infrastructure > for page fault delivery. On a successful return of HWPT allocation, the > user can retrieve and respond to page faults by reading and writing to > the file descriptor (FD) returned in...
2023 Nov 07
1
[PATCH v2 0/6] IOMMUFD: Deliver IO page faults to user space
...eed generic events, not just page fault events to have a > complete emulation. Can you elaborate? > > So I'd like to see this generalized into a channel to carry any > events.. > > > User space indicates its capability of handling IO page faults by > > setting the IOMMU_HWPT_ALLOC_IOPF_CAPABLE flag when allocating a > > hardware page table (HWPT). IOMMUFD will then set up its infrastructure > > for page fault delivery. On a successful return of HWPT allocation, the > > user can retrieve and respond to page faults by reading and writing to > > the file descript...