1 files changed, 9 insertions, 1 deletions

diff --git a/include/uapi/linux/nvgpu.h b/include/uapi/linux/nvgpu.h
index 6821af07..41b4eb8d 100644
--- a/include/uapi/linux/nvgpu.h
+++ b/include/uapi/linux/nvgpu.h
@@ -1968,6 +1968,12 @@ struct nvgpu_as_map_buffer_batch_args {
         __u64 reserved;
 };
 
+struct nvgpu_as_get_sync_ro_map_args {
+        __u64 base_gpuva;
+        __u32 sync_size;
+        __u32 padding;
+};
+
 #define NVGPU_AS_IOCTL_BIND_CHANNEL \
         _IOWR(NVGPU_AS_IOCTL_MAGIC, 1, struct nvgpu_as_bind_channel_args)
 #define NVGPU32_AS_IOCTL_ALLOC_SPACE \
@@ -1990,9 +1996,11 @@ struct nvgpu_as_map_buffer_batch_args {
         _IOWR(NVGPU_AS_IOCTL_MAGIC, 10, struct nvgpu_as_map_buffer_compbits_args)
 #define NVGPU_AS_IOCTL_MAP_BUFFER_BATCH \
         _IOWR(NVGPU_AS_IOCTL_MAGIC, 11, struct nvgpu_as_map_buffer_batch_args)
+#define NVGPU_AS_IOCTL_GET_SYNC_RO_MAP  \
+        _IOR(NVGPU_AS_IOCTL_MAGIC,  12, struct nvgpu_as_get_sync_ro_map_args)
 
 #define NVGPU_AS_IOCTL_LAST            \
-        _IOC_NR(NVGPU_AS_IOCTL_MAP_BUFFER_BATCH)
+        _IOC_NR(NVGPU_AS_IOCTL_GET_SYNC_RO_MAP)
 #define NVGPU_AS_IOCTL_MAX_ARG_SIZE     \
         sizeof(struct nvgpu_as_map_buffer_ex_args)