Open source GPL/LGPL release

drivers/gpu/nvgpu/os/linux/sync_sema_dma.h

@@ -0,0 +1,41 @@
+/*
+ * Semaphore Sync Framework Integration
+ *
+ * Copyright (c) 2020, NVIDIA Corporation.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NVGPU_OS_LINUX_SYNC_SEMA_DMA_H
+#define NVGPU_OS_LINUX_SYNC_SEMA_DMA_H
+
+#ifdef CONFIG_NVGPU_SYNCFD_STABLE
+#include <nvgpu/types.h>
+
+struct nvgpu_channel;
+struct nvgpu_semaphore;
+struct dma_fence;
+
+u64 nvgpu_sync_dma_context_create(void);
+
+struct dma_fence *nvgpu_sync_dma_create(struct nvgpu_channel *c,
+		struct nvgpu_semaphore *sema);
+
+void nvgpu_sync_dma_signal(struct dma_fence *fence);
+u32 nvgpu_dma_fence_length(struct dma_fence *fence);
+struct nvgpu_semaphore *nvgpu_dma_fence_nth(struct dma_fence *fence, u32 i);
+
+struct dma_fence *nvgpu_sync_dma_fence_fdget(int fd);
+#endif /* CONFIG_NVGPU_SYNCFD_STABLE */
+
+#endif