Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (C) Rockchip Electronics Co.Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Author: Felix Zeng <felix.zeng@rock-chips.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #ifndef __LINUX_RKNPU_MEM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #define __LINUX_RKNPU_MEM_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mm_types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/version.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * rknpu DMA buffer structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * @flags: indicate memory type to allocated buffer and cache attribute.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * @size: size requested from user, in bytes and this size is aligned
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  *	in page unit.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)  * @kv_addr: kernel virtual address to allocated memory region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)  * @dma_addr: bus address(accessed by dma) to allocated memory region.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)  *	- this address could be physical address without IOMMU and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)  *	device address with IOMMU.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)  * @pages: Array of backing pages.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)  * @sgt: Imported sg_table.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)  * @dmabuf: buffer for this attachment.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)  * @owner: Is this memory internally allocated.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) struct rknpu_mem_object {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	unsigned long size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	void __iomem *kv_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	dma_addr_t dma_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct page **pages;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	struct sg_table *sgt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	struct dma_buf *dmabuf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	unsigned int owner;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int rknpu_mem_create_ioctl(struct rknpu_device *rknpu_dev, unsigned long data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int rknpu_mem_destroy_ioctl(struct rknpu_device *rknpu_dev, unsigned long data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) int rknpu_mem_sync_ioctl(struct rknpu_device *rknpu_dev, unsigned long data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #endif