diff options
Diffstat (limited to 'drivers/iommu/iommufd/io_pagetable.h')
| -rw-r--r-- | drivers/iommu/iommufd/io_pagetable.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/iommu/iommufd/io_pagetable.h b/drivers/iommu/iommufd/io_pagetable.h index 10c928a9a463..b6064f4ce4af 100644 --- a/drivers/iommu/iommufd/io_pagetable.h +++ b/drivers/iommu/iommufd/io_pagetable.h @@ -48,6 +48,7 @@ struct iopt_area { int iommu_prot; bool prevent_access : 1; unsigned int num_accesses; + unsigned int num_locks; }; struct iopt_allowed { @@ -238,9 +239,9 @@ void iopt_pages_unfill_xarray(struct iopt_pages *pages, unsigned long start, int iopt_area_add_access(struct iopt_area *area, unsigned long start, unsigned long last, struct page **out_pages, - unsigned int flags); + unsigned int flags, bool lock_area); void iopt_area_remove_access(struct iopt_area *area, unsigned long start, - unsigned long last); + unsigned long last, bool unlock_area); int iopt_pages_rw_access(struct iopt_pages *pages, unsigned long start_byte, void *data, unsigned long length, unsigned int flags); |