On Sat Jun 20, 2026 at 1:15 PM CEST, Jan Vermaete via lists.openembedded.org wrote: > Add a Yocto recipe for u-dma-buf, an out-of-tree driver that > provides userspace-mappable contiguous DMA buffers for FPGA > and other DMA-capable devices. > > Signed-off-by: Gerbrand De Laender <[email protected]> > Signed-off-by: Jan Vermaete <[email protected]> > --- > .../u-dma-buf/u-dma-buf_5.5.0.bb | 25 +++++++++++++++++++ > 1 file changed, 25 insertions(+) > create mode 100644 meta/recipes-kernel/u-dma-buf/u-dma-buf_5.5.0.bb > > diff --git a/meta/recipes-kernel/u-dma-buf/u-dma-buf_5.5.0.bb > b/meta/recipes-kernel/u-dma-buf/u-dma-buf_5.5.0.bb > new file mode 100644 > index 0000000000..6dea825b31 > --- /dev/null > +++ b/meta/recipes-kernel/u-dma-buf/u-dma-buf_5.5.0.bb > @@ -0,0 +1,25 @@ > +SUMMARY = "u-dma-buf: User-space mappable DMA buffer (CMA-backed)" > +DESCRIPTION = "\ > + u-dma-buf is a Linux device driver that allocates contiguous memory > blocks in the kernel space as DMA buffers \ > + and makes them available from the user space. It is intended that these > memory blocks are used as DMA buffers \ > + when a user application implements device driver in user space using UIO > (User space I/O). \ > + \ > + A DMA buffer allocated by u-dma-buf can be accessed from the user space > by opening the device file (e.g. /dev/udmabuf0) \ > + and mapping to the user memory space, or using the read()/write() > functions. \ > +" > + > +HOMEPAGE = "https://github.com/ikwzm/udmabuf"; > +LICENSE = "BSD-2-Clause" > +LIC_FILES_CHKSUM = "file://LICENSE;md5=bebf0492502927bef0741aa04d1f35f5" > + > +PV = "5.5.0" > + > +SRC_URI = "git://github.com/ikwzm/udmabuf.git;protocol=https;branch=master" > + > +SRCREV = "15bcde3cb960321e99983e227aeacc5807888333" > + > +COMPATIBLE_HOST = '(arm|aarch64).*-linux' > + > +inherit module > + > +RPROVIDES:${PN} += "kernel-module-u-dma-buf"
Hi, In addition to Alex message, please add a maintainer entry in meta/conf/distro/include/maintainers.inc if this recipe is indeed added. Thanks, Mathieu -- Mathieu Dubois-Briand, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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