Re: [PATCH v6 13/25] iommufd: Add mmap interface
From: Jason Gunthorpe <jgg@nvidia.com>
Date: 2025-06-16 14:13:23
Also in:
linux-doc, linux-iommu, linux-kselftest, linux-patches, linux-tegra, lkml
On Sat, Jun 14, 2025 at 12:14:38AM -0700, Nicolin Chen wrote:
+/* Entry for iommufd_ctx::mt_mmap */
+struct iommufd_mmap {
+ struct iommufd_object *owner;
+
+ /* Allocated start position in mt_mmap tree */
+ unsigned long startp;pgoff_t, looks like this is already in PAGE_SIZE units.
+ /* Physical range for io_remap_pfn_range() */ + unsigned long mmio_pfn;
physaddr_t and maybe don't use pfn?
+ unsigned long num_pfns;
size_t Rest looks OK Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Jason