linux-kernel - [PATCH v9 0/6] iio: new DMABUF based API

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Message-ID: <20240310124836.31863-1-paul@crapouillou.net>
Date: Sun, 10 Mar 2024 13:48:29 +0100
From: Paul Cercueil <paul@...pouillou.net>
To: Jonathan Cameron <jic23@...nel.org>,
	Christian König <christian.koenig@....com>,
	Jonathan Corbet <corbet@....net>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Vinod Koul <vkoul@...nel.org>,
	Sumit Semwal <sumit.semwal@...aro.org>
Cc: Nuno Sa <nuno.sa@...log.com>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	dmaengine@...r.kernel.org,
	linux-iio@...r.kernel.org,
	linux-media@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	linaro-mm-sig@...ts.linaro.org,
	Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH v9 0/6] iio: new DMABUF based API

Hi Jonathan,

Here's the final-er version of the IIO DMABUF patchset.

This v9 fixes the few issues reported by the kernel bot.

This was based on next-20240308.

Changelog:

- [3/6]:
    - Select DMA_SHARED_BUFFER in Kconfig
    - Remove useless forward declaration of 'iio_dma_fence'
    - Import DMA-BUF namespace
    - Add missing __user tag to iio_buffer_detach_dmabuf() argument

Cheers,
-Paul

Paul Cercueil (6):
  dmaengine: Add API function dmaengine_prep_peripheral_dma_vec()
  dmaengine: dma-axi-dmac: Implement device_prep_peripheral_dma_vec
  iio: core: Add new DMABUF interface infrastructure
  iio: buffer-dma: Enable support for DMABUFs
  iio: buffer-dmaengine: Support new DMABUF based userspace API
  Documentation: iio: Document high-speed DMABUF based API

 Documentation/iio/iio_dmabuf_api.rst          |  54 ++
 Documentation/iio/index.rst                   |   1 +
 drivers/dma/dma-axi-dmac.c                    |  40 ++
 drivers/iio/Kconfig                           |   1 +
 drivers/iio/buffer/industrialio-buffer-dma.c  | 181 ++++++-
 .../buffer/industrialio-buffer-dmaengine.c    |  59 ++-
 drivers/iio/industrialio-buffer.c             | 462 ++++++++++++++++++
 include/linux/dmaengine.h                     |  27 +
 include/linux/iio/buffer-dma.h                |  31 ++
 include/linux/iio/buffer_impl.h               |  30 ++
 include/uapi/linux/iio/buffer.h               |  22 +
 11 files changed, 891 insertions(+), 17 deletions(-)
 create mode 100644 Documentation/iio/iio_dmabuf_api.rst

-- 
2.43.0