2 files changed, 36 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/falcon/falcon.c b/drivers/gpu/nvgpu/common/falcon/falcon.c
index a0f88de3..b1d6558a 100644
--- a/drivers/gpu/nvgpu/common/falcon/falcon.c
+++ b/drivers/gpu/nvgpu/common/falcon/falcon.c
@@ -219,6 +219,34 @@ bool nvgpu_flcn_get_idle_status(struct nvgpu_falcon *flcn)
         return status;
 }
 
+int nvgpu_flcn_copy_from_emem(struct nvgpu_falcon *flcn,
+        u32 src, u8 *dst, u32 size, u8 port)
+{
+        struct nvgpu_falcon_engine_dependency_ops *flcn_dops =
+                &flcn->flcn_engine_dep_ops;
+        int status = -EINVAL;
+
+        if (flcn_dops->copy_from_emem != NULL) {
+                status = flcn_dops->copy_from_emem(flcn, src, dst, size, port);
+        }
+
+        return status;
+}
+
+int nvgpu_flcn_copy_to_emem(struct nvgpu_falcon *flcn,
+        u32 dst, u8 *src, u32 size, u8 port)
+{
+        struct nvgpu_falcon_engine_dependency_ops *flcn_dops =
+                &flcn->flcn_engine_dep_ops;
+        int status = -EINVAL;
+
+        if (flcn_dops->copy_to_emem != NULL) {
+                status = flcn_dops->copy_to_emem(flcn, dst, src, size, port);
+        }
+
+        return status;
+}
+
 int nvgpu_flcn_copy_from_dmem(struct nvgpu_falcon *flcn,
         u32 src, u8 *dst, u32 size, u8 port)
 {
diff --git a/drivers/gpu/nvgpu/include/nvgpu/falcon.h b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
index 9f8c97ea..cf15061d 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/falcon.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/falcon.h
@@ -219,6 +219,10 @@ struct nvgpu_falcon_engine_dependency_ops {
         int (*queue_tail)(struct gk20a *g, struct nvgpu_falcon_queue *queue,
                 u32 *tail, bool set);
         void (*msgq_tail)(struct gk20a *g, u32 *tail, bool set);
+        int (*copy_from_emem)(struct nvgpu_falcon *flcn, u32 src, u8 *dst,
+                u32 size, u8 port);
+        int (*copy_to_emem)(struct nvgpu_falcon *flcn, u32 dst, u8 *src,
+                u32 size, u8 port);
 };
 
 struct nvgpu_falcon_ops {
@@ -283,6 +287,10 @@ bool nvgpu_flcn_get_mem_scrubbing_status(struct nvgpu_falcon *flcn);
 int nvgpu_flcn_mem_scrub_wait(struct nvgpu_falcon *flcn);
 bool nvgpu_flcn_get_cpu_halted_status(struct nvgpu_falcon *flcn);
 bool nvgpu_flcn_get_idle_status(struct nvgpu_falcon *flcn);
+int nvgpu_flcn_copy_from_emem(struct nvgpu_falcon *flcn,
+        u32 src, u8 *dst, u32 size, u8 port);
+int nvgpu_flcn_copy_to_emem(struct nvgpu_falcon *flcn,
+        u32 dst, u8 *src, u32 size, u8 port);
 int nvgpu_flcn_copy_from_dmem(struct nvgpu_falcon *flcn,
         u32 src, u8 *dst, u32 size, u8 port);
 int nvgpu_flcn_copy_to_dmem(struct nvgpu_falcon *flcn,