8f34c2760d
project:cfg:BoardConfig_IPC: Added fastboot BoardConfig file and firmware post-scripts, distinguishing between the BoardConfigs for Luckfox Pico Pro and Luckfox Pico Max. project:app: Added fastboot_client and rk_smart_door for quick boot applications; updated rkipc app to adapt to the latest media library. media:samples: Added more usage examples. media:rockit: Fixed bugs; removed support for retrieving data frames from VPSS. media:isp: Updated rkaiq library and related tools to support connection to RKISP_Tuner. sysdrv:Makefile: Added support for compiling drv_ko on Luckfox Pico Ultra W using Ubuntu; added support for custom root filesystem. sysdrv:tools:board: Updated Buildroot optional mirror sources, updated some software versions, and stored device tree files and configuration files that undergo multiple modifications for U-Boot and kernel separately. sysdrv:source:mcu: Used RISC-V MCU SDK with RT-Thread system, mainly for initializing camera AE during quick boot. sysdrv:source:uboot: Added support for fastboot; added high baud rate DDR bin for serial firmware upgrades. sysdrv:source:kernel: Upgraded to version 5.10.160; increased NPU frequency for RV1106G3; added support for fastboot. Signed-off-by: luckfox-eng29 <eng29@luckfox.com>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* DMABUF Heaps Userspace API
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*
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* Copyright (C) 2011 Google, Inc.
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* Copyright (C) 2019 Linaro Ltd.
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*/
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#ifndef _UAPI_LINUX_DMABUF_POOL_H
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#define _UAPI_LINUX_DMABUF_POOL_H
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#include <linux/ioctl.h>
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#include <linux/types.h>
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/**
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* DOC: DMABUF Heaps Userspace API
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*/
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/* Valid FD_FLAGS are O_CLOEXEC, O_RDONLY, O_WRONLY, O_RDWR */
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#define DMA_HEAP_VALID_FD_FLAGS (O_CLOEXEC | O_ACCMODE)
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/* Currently no heap flags */
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#define DMA_HEAP_VALID_HEAP_FLAGS (0)
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/**
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* struct dma_heap_allocation_data - metadata passed from userspace for
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* allocations
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* @len: size of the allocation
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* @fd: will be populated with a fd which provides the
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* handle to the allocated dma-buf
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* @fd_flags: file descriptor flags used when allocating
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* @heap_flags: flags passed to heap
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*
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* Provided by userspace as an argument to the ioctl
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*/
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struct dma_heap_allocation_data {
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__u64 len;
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__u32 fd;
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__u32 fd_flags;
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__u64 heap_flags;
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};
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#define DMA_HEAP_IOC_MAGIC 'H'
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/**
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* DOC: DMA_HEAP_IOCTL_ALLOC - allocate memory from pool
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*
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* Takes a dma_heap_allocation_data struct and returns it with the fd field
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* populated with the dmabuf handle of the allocation.
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*/
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#define DMA_HEAP_IOCTL_ALLOC _IOWR(DMA_HEAP_IOC_MAGIC, 0x0,\
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struct dma_heap_allocation_data)
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#endif /* _UAPI_LINUX_DMABUF_POOL_H */
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