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ikwzm
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udmabuf
User space mappable dma buffer device driver for Linux.
BSD 2-Clause "Simplified" License
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zerocopy network TCP send with u-dma-buf
#121
joshuafc
opened
2 weeks ago
3
memcpy from udmabuf mmap buffer slow than buffer from malloc
#120
joshuafc
closed
2 weeks ago
4
Fix for non-working PWD method
#119
jab701
opened
1 month ago
2
Difference with upstream driver
#118
enceladus13
opened
2 months ago
3
Cannot write mmap'ed buffer content to disk using O_DIRECT flag
#117
iMineLink
opened
3 months ago
9
Xilinx Zynqmp: The read data is inconsistent with the data written by the PL
#116
zhanghongg
opened
6 months ago
47
name conflict with udmabuf driver in mainline linux
#115
mvduin
closed
9 months ago
1
udmabuf can't be build on kernel >= 6.6.0
#114
stan-servaenergy
closed
9 months ago
1
Update to reflect kernel API change post v. 6.4.0
#113
bcattle
closed
12 months ago
1
Do you plan support for versal devices?
#112
alexantwi
opened
1 year ago
1
Using udmabuf on linux zynq7020
#111
lone-boy
closed
1 year ago
3
Once the creation of a device fails, a device with the same name cannot be created.
#110
ikwzm
closed
1 year ago
0
AXI MCDMA support?
#109
Livius90
closed
1 year ago
6
Doubts with DMA coherency mode and quirk-mmap
#108
ALIBERA
closed
1 year ago
5
Could this be used with V4L2/libcamera buffers on the Raspberry Pi 4 (Arm A72)
#107
octopus-russell
opened
1 year ago
6
PetaLinux 2023.1 / Yocto Langdale build - no .ko files are installed, thus no package is created
#106
DavidAntliff
closed
1 year ago
12
Build failure since kernel v6.3
#105
florisch
closed
1 year ago
1
Unsupported node format error in Dmesg
#104
noelpedro
closed
1 year ago
6
memory-region
#103
noelpedro
closed
1 year ago
4
In Python test code there is a typo
#102
sapertuz
closed
1 year ago
3
Cache coherency problem on ARM in u-dma-buf 4.4.0
#101
ikwzm
closed
1 year ago
0
Unusual issue when mmapping udmabuf for network transfer
#100
DavidAntliff
closed
1 year ago
6
> I ran into the same issue on an x86_64 and it was fixed by changing the dma_mask_bit module parameter like so: `insmod udmabuf.ko dma_mask_bit=64 udmabuf0=8388608`
#99
bipingamiyv
opened
1 year ago
1
Attempting to allocate a large buffer in the CMA area of reserved_memory fails to allocate pages
#98
ikwzm
opened
1 year ago
2
Read()/Write() performance
#97
Hello-FPGA
closed
1 year ago
8
The reserved space is used to expand the CMA space, and the u-dma-buf driver cannot be used normally
#96
Noah-naihe
opened
1 year ago
5
About the data consistency problem of udmabuf
#95
Noah-naihe
closed
1 year ago
2
Zynq Ultrascale+ (ARM Cortex A-53) Kernel 5.15.19 problem
#94
oguzhancik
opened
1 year ago
4
udmabuf at fixed physical address in linux x86
#93
njsys
opened
1 year ago
1
Export symbols / Allow calls from other modules
#92
kevin-servaenergy
closed
2 years ago
5
u-dma-buf_test missing stdlib, unistd and time headers
#91
darko31
closed
2 years ago
1
Correct typos in Readme
#90
felixonmars
closed
2 years ago
1
u-dma-buf: Handle device properties with software node API
#89
fcuzzocrea
closed
2 years ago
1
dma_alloc_coherent(size=16777216) failed. return(0)
#88
azAghaee
closed
2 years ago
6
support for microblaze ?
#87
doonny
closed
2 years ago
8
How about using one same device node such as udmabuf0 in two different processes
#86
Homio
closed
1 year ago
2
x86_64 support ? compile error
#85
gadh
closed
2 years ago
1
udmabuf write issue from firmware/pci
#84
njsys
opened
2 years ago
4
include file error. Basic build usage question
#83
njsys
closed
2 years ago
9
typo in sync_for_cpu sample in documentation?
#82
5p00kk
closed
2 years ago
3
Allocating multiple DMA buffers but not in a single parse
#81
rajatkha
opened
2 years ago
3
kernel 5.10 support
#80
Tobinjh
closed
2 years ago
2
(Again) memory cache management and coherency
#79
pmdaye
opened
3 years ago
7
Selected processor does not support 'isb' in ARM mode
#78
alexis031182
closed
3 years ago
2
Strange memory errors
#77
Anthonywolfe
closed
3 years ago
5
Regarding Manual cache management with the CPU cache still being enabled
#76
balaji-ch
opened
3 years ago
3
Check for contiguity
#75
balaji-ch
opened
3 years ago
4
Zynq u-dma-buf with DMA
#74
gtortone
opened
3 years ago
5
memory-region property how to use it?
#73
balaji-ch
opened
3 years ago
1
Update read me for sizes more than 4MiB
#72
balaji-ch
opened
3 years ago
1
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