video: tegra: nvmap: allow gup test on nvmap handle

Allow gup test on NvMap handle.

Bug 1749717

Change-Id: I4a370266635307a55b68de616ca4a0515523ca69
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-on: http://git-master/r/1118600

1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/nvmap.h b/include/linux/nvmap.h
index 90358a6ad..6bc647493 100644
--- a/include/linux/nvmap.h
+++ b/include/linux/nvmap.h
@@ -142,6 +142,12 @@ struct nvmap_create_handle_from_va {
         __u32 handle;           /* returns nvmap handle */
 };
 
+struct nvmap_gup_test {
+        __u64 va;               /* FromVA*/
+        __u32 handle;           /* returns nvmap handle */
+        __u32 result;           /* result=1 for pass, result=-err for failure */
+};
+
 struct nvmap_alloc_handle {
         __u32 handle;           /* nvmap handle */
         __u32 heap_mask;        /* heaps to allocate from */
@@ -354,6 +360,8 @@ struct nvmap_debugfs_handles_entry {
 /* Create a new memory handle from VA passed */
 #define NVMAP_IOC_FROM_VA _IOWR(NVMAP_IOC_MAGIC, 22, struct nvmap_create_handle_from_va)
 
+#define NVMAP_IOC_GUP_TEST _IOWR(NVMAP_IOC_MAGIC, 23, struct nvmap_gup_test)
+
 /* START of T124 IOCTLS */
 /* Actually allocates memory for the specified handle, with kind */
 #define NVMAP_IOC_ALLOC_KIND _IOW(NVMAP_IOC_MAGIC, 100, struct nvmap_alloc_kind_handle)