video: tegra: nvmap: Add cache list IOCTL

Bug 1423574
Bug 1373180

Change-Id: I0fe2bf588a3f33692efa398874bad807e6b045e5
Signed-off-by: Sri Krishna chowdary <schowdary@nvidia.com>
Reviewed-on: http://git-master/r/392389
GVS: Gerrit_Virtual_Submit
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Tested-by: Krishna Reddy <vdumpa@nvidia.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/include/linux/nvmap.h b/include/linux/nvmap.h
index 78f2eabe1..28227cd61 100644
--- a/include/linux/nvmap.h
+++ b/include/linux/nvmap.h
@@ -224,8 +224,13 @@ struct nvmap_cache_op_32 {
 #endif
 
 struct nvmap_cache_op_list {
-        __u32 handles;          /* Uspace ptr to list of handles */
+        __u64 handles;          /* Ptr to u32 type array, holding handles */
+        __u64 offsets;          /* Ptr to u32 type array, holding offsets
+                                 * into handle mem */
+        __u64 sizes;            /* Ptr to u32 type array, holindg sizes of memory
+                                 * regions within each handle */
         __u32 nr;               /* Number of handles */
+        __s32 op;               /* wb/wb_inv/inv */
 };
 
 #define NVMAP_IOC_MAGIC 'N'