ikwzm udmabuf issues - Githubissues

ikwzm / udmabuf

User space mappable dma buffer device driver for Linux.

BSD 2-Clause "Simplified" License

539 stars 165 forks source link

issues

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Setting dma-coherent on devices created through /dev/u-dma-buf-mgr

#69 lucasbrasilino opened 3 years ago
4
Using "u-dma-buf" on x86 with IOMMU enabled

#68 JMStranz opened 3 years ago
4
Fix sudo echo permissions

#67 luca-della-vedova closed 3 years ago
1
Add build support for kernel >= 5.10

#66 fbezdeka closed 3 years ago
1
delete hang forever

#65 florisch closed 3 years ago
2
Trying to perform DMA reads

#64 daloisio closed 3 years ago
2
info_enable is not followed on module load/unload

#63 trosenkranz closed 3 years ago
3
:memo: typo in README.md

#62 caryan closed 3 years ago
0
Delete on abnormal termination.

#61 ldalessa closed 3 years ago
2
of_reserved_mem_device_init failed. return=-22

#60 sombohan opened 3 years ago
3
:q

#59 yrjok closed 3 years ago
0
[Question] Are memory barriers necessary when utilizing manual cache management from C/C++ code?

#58 dawithers closed 3 years ago
4
Support for High DDR Memory?

#57 yu-zou opened 3 years ago
4
4GiB udmabuf fails

#56 rockybulwinkle closed 3 years ago
6
data reset during u-dma-buf creation

#55 jowoeber opened 4 years ago
4
Q: is it possible to use same /dev/udmabuf0 device from multiple programms?

#54 h4tr3d closed 3 years ago
2
Only able to make DMA transactions with v1.4.6 for AXI DMAC

#53 noelpedro closed 3 years ago
1
Force iommu configuration for DMA region

#52 cahz closed 4 years ago
2
"*** No rule to make target'prepare0', needed by'vdso_prepare'. Stop." when building for linux-xlnx(v2019.1)

#51 ikwzm closed 4 years ago
0
Ubuntu 16 Compile Error

#50 ollietechnology closed 3 years ago
6
Not working for kernel 5.4.0

#49 p00chie closed 4 years ago
7
Uncached memory access for Core 1

#48 darko31 closed 4 years ago
5
Kernel oops when syncing (and can't use reusable)

#47 iabdalkader closed 4 years ago
2
Optimization flags

#46 conradholt opened 4 years ago
0
udmabuf of_reserved_mem_device failed

#45 rockybulwinkle closed 4 years ago
22
[modify] Makefile for built-in Kernel

#44 tichkr closed 4 years ago
4
[fix] build on Linux >= 5.1

#43 stefano-garzarella closed 4 years ago
2
[QUESTION]Performance comparted to UIO?

#42 ilpiero opened 4 years ago
2
RX BUFFER zero padded only on cold start

#41 noelpedro closed 1 year ago
1
Can only transfer up to 15K of Source address

#40 noelpedro closed 4 years ago
1
Java Interface & Coherency

#39 lucapiccolboni closed 4 years ago
1
Buffer from UDMABUF and V4L2_MEMORY_USERPTR

#38 h4tr3d closed 4 years ago
5
Buffer for BRAM

#37 noelpedro closed 4 years ago
3
How does this driver interact (if at all) with the ZynqMP DMA driver?

#36 mmurrian closed 4 years ago
1
udmabuf with loop back example

#35 noelpedro closed 4 years ago
1
will udmabuf be bottleneck

#34 lifang2012 closed 4 years ago
2
One large udmabuf or more smaller ones

#33 rejuce opened 4 years ago
19
Attribute sync_owner: write permission without 'store'

#32 zhangtianchao closed 4 years ago
1
Get a "cannot execute on arm64 due to bus error" error when running the test exemple

#31 babouFomb closed 4 years ago
1
udmabuf udmabuf@1: driver setup failed

#30 gi4you closed 4 years ago
5
Can't set physical address in device tree for Zynq MPSoC

#29 mrbietola closed 4 years ago
7
Use pgprot_noncached for ARM64

#28 iasakura closed 4 years ago
3
Update 5.1

#27 agamez closed 4 years ago
1
How can SDSOC accelerator on PL read data from udmabuf

#26 dong-hoang opened 4 years ago
1
Buffer size limit?

#25 njsys closed 3 years ago
16
How to make a DMA transfer?

#24 itzikhai opened 5 years ago
4
Test program failure on aarch64 system

#23 gmegan closed 5 years ago
10
Suggest use pfn instead of page in mmap page fault handler

#22 usstq closed 5 years ago
4
How to Cooperative use udmabuf with PL DMA and RAM in vivado 2018.2 block design?

#21 honorpeter closed 4 years ago
3
Zcu102 Kernel 4.14 petalinux problem by the udmabuf-master

#20 honorpeter closed 5 years ago
7

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