linux-kernel - [PATCH 0/3] Add support for AMD AE4DMA controller driver

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Message-ID: <1694460324-60346-1-git-send-email-Sanju.Mehta@amd.com>
Date:   Mon, 11 Sep 2023 14:25:21 -0500
From:   Sanjay R Mehta <Sanju.Mehta@....com>
To:     <vkoul@...nel.org>
CC:     <gregkh@...uxfoundation.org>, <dan.j.williams@...el.com>,
        <robh@...nel.org>, <mchehab+samsung@...nel.org>,
        <davem@...emloft.net>, <linux-kernel@...r.kernel.org>,
        <dmaengine@...r.kernel.org>, Sanjay R Mehta <sanju.mehta@....com>
Subject: [PATCH 0/3] Add support for AMD AE4DMA controller driver

From: Sanjay R Mehta <sanju.mehta@....com>

This patch series add support for AMD AE4DMA controller which
performs high bandwidth memory-to-memory and IO copy operation,
performs DMA transfer through queue based descriptor management.

The AE4DMA controller allows for configuration of the number of
queues per controller, with a range from 1 to 16. This configuration
can be conveniently adjusted using the driver's "max_hw_q" parameter.

The AMD Processor features multiple ae4dma device instances,
with each controller supporting a maximum of 16 DMA queues.

Sanjay R Mehta (3):
  dmaengine: ae4dma: Initial ae4dma controller driver with multi channel
  dmaengine: ae4dma: register AE4DMA controller as a DMA resource
  dmaengine: ae4dma: Add debugfs entries for AE4DMA

 MAINTAINERS                           |   6 +
 drivers/dma/Kconfig                   |   2 +
 drivers/dma/Makefile                  |   1 +
 drivers/dma/ae4dma/Kconfig            |  13 ++
 drivers/dma/ae4dma/Makefile           |  10 +
 drivers/dma/ae4dma/ae4dma-debugfs.c   |  98 ++++++++
 drivers/dma/ae4dma/ae4dma-dev.c       | 353 ++++++++++++++++++++++++++++
 drivers/dma/ae4dma/ae4dma-dmaengine.c | 425 ++++++++++++++++++++++++++++++++++
 drivers/dma/ae4dma/ae4dma-pci.c       | 247 ++++++++++++++++++++
 drivers/dma/ae4dma/ae4dma.h           | 374 ++++++++++++++++++++++++++++++
 10 files changed, 1529 insertions(+)
 create mode 100644 drivers/dma/ae4dma/Kconfig
 create mode 100644 drivers/dma/ae4dma/Makefile
 create mode 100644 drivers/dma/ae4dma/ae4dma-debugfs.c
 create mode 100644 drivers/dma/ae4dma/ae4dma-dev.c
 create mode 100644 drivers/dma/ae4dma/ae4dma-dmaengine.c
 create mode 100644 drivers/dma/ae4dma/ae4dma-pci.c
 create mode 100644 drivers/dma/ae4dma/ae4dma.h

-- 
2.7.4