From 2a2c16af5f9f1ccfc93a13e820d5381e5c881e92 Mon Sep 17 00:00:00 2001 From: Terje Bergstrom Date: Wed, 18 Apr 2018 12:59:00 -0700 Subject: gpu: nvgpu: Move Linux files away from common Move all Linux source code files to drivers/gpu/nvgpu/os/linux from drivers/gpu/nvgpu/common/linux. This changes the meaning of common to be OS independent. JIRA NVGPU-598 JIRA NVGPU-601 Change-Id: Ib7f2a43d3688bb0d0b7dcc48469a6783fd988ce9 Signed-off-by: Terje Bergstrom Reviewed-on: https://git-master.nvidia.com/r/1747714 Reviewed-by: mobile promotions Tested-by: mobile promotions --- drivers/gpu/nvgpu/os/linux/dmabuf.h | 62 +++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 drivers/gpu/nvgpu/os/linux/dmabuf.h (limited to 'drivers/gpu/nvgpu/os/linux/dmabuf.h') diff --git a/drivers/gpu/nvgpu/os/linux/dmabuf.h b/drivers/gpu/nvgpu/os/linux/dmabuf.h new file mode 100644 index 00000000..8399eaaf --- /dev/null +++ b/drivers/gpu/nvgpu/os/linux/dmabuf.h @@ -0,0 +1,62 @@ +/* +* Copyright (c) 2017-2018, 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 . + */ + +#ifndef __COMMON_LINUX_DMABUF_H__ +#define __COMMON_LINUX_DMABUF_H__ + +#include +#include +#include +#include + +struct sg_table; +struct dma_buf; +struct dma_buf_attachment; +struct device; + +struct gk20a; +struct gk20a_buffer_state; + +struct gk20a_dmabuf_priv { + struct nvgpu_mutex lock; + + struct gk20a *g; + + struct gk20a_comptag_allocator *comptag_allocator; + struct gk20a_comptags comptags; + + struct dma_buf_attachment *attach; + struct sg_table *sgt; + + int pin_count; + + struct nvgpu_list_node states; + + u64 buffer_id; +}; + +struct sg_table *gk20a_mm_pin(struct device *dev, struct dma_buf *dmabuf, + struct dma_buf_attachment **attachment); +void gk20a_mm_unpin(struct device *dev, struct dma_buf *dmabuf, + struct dma_buf_attachment *attachment, + struct sg_table *sgt); + +int gk20a_dmabuf_alloc_drvdata(struct dma_buf *dmabuf, struct device *dev); + +int gk20a_dmabuf_get_state(struct dma_buf *dmabuf, struct gk20a *g, + u64 offset, struct gk20a_buffer_state **state); + +#endif -- cgit v1.2.2