From 83f706ecbde1dfdc377bafda773fdc57644cd479 Mon Sep 17 00:00:00 2001 From: Matthew Auld Date: Thu, 28 Aug 2025 15:24:36 +0100 Subject: drm/gpusvm: export drm_gpusvm_pages API MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Export get/unmap/free pages API. We also need to tweak the SVM init to allow skipping much of the unneeded parts. Signed-off-by: Matthew Auld Cc: Thomas Hellström Cc: Matthew Brost Reviewed-by: Matthew Brost Link: https://lore.kernel.org/r/20250828142430.615826-15-matthew.auld@intel.com --- include/drm/drm_gpusvm.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include') diff --git a/include/drm/drm_gpusvm.h b/include/drm/drm_gpusvm.h index 1ee4188c3067..5434048a2ca4 100644 --- a/include/drm/drm_gpusvm.h +++ b/include/drm/drm_gpusvm.h @@ -307,6 +307,22 @@ drm_gpusvm_range_find(struct drm_gpusvm_notifier *notifier, unsigned long start, void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range, const struct mmu_notifier_range *mmu_range); +int drm_gpusvm_get_pages(struct drm_gpusvm *gpusvm, + struct drm_gpusvm_pages *svm_pages, + struct mm_struct *mm, + struct mmu_interval_notifier *notifier, + unsigned long pages_start, unsigned long pages_end, + const struct drm_gpusvm_ctx *ctx); + +void drm_gpusvm_unmap_pages(struct drm_gpusvm *gpusvm, + struct drm_gpusvm_pages *svm_pages, + unsigned long npages, + const struct drm_gpusvm_ctx *ctx); + +void drm_gpusvm_free_pages(struct drm_gpusvm *gpusvm, + struct drm_gpusvm_pages *svm_pages, + unsigned long npages); + #ifdef CONFIG_LOCKDEP /** * drm_gpusvm_driver_set_lock() - Set the lock protecting accesses to GPU SVM -- cgit v1.2.3