[dpdk-dev] [PATCH v23 1/6] dmadev: introduce DMA device library

[Radha Mohan]

On Fri, Sep 24, 2021 at 3:58 AM Chengwen Feng <fengchengwen at huawei.com> wrote:
>
> The 'dmadevice' is a generic type of DMA device.
>
> This patch introduce the 'dmadevice' device allocation APIs.
>
> The infrastructure is prepared to welcome drivers in drivers/dma/
>
> Signed-off-by: Chengwen Feng <fengchengwen at huawei.com>
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>
> Acked-by: Morten Brørup <mb at smartsharesystems.com>
> Acked-by: Jerin Jacob <jerinjacobk at gmail.com>
> Reviewed-by: Kevin Laatz <kevin.laatz at intel.com>
> Reviewed-by: Conor Walsh <conor.walsh at intel.com>
> ---
>  MAINTAINERS                            |   5 +
>  config/rte_config.h                    |   3 +
>  doc/api/doxy-api-index.md              |   1 +
>  doc/api/doxy-api.conf.in               |   1 +
>  doc/guides/dmadevs/index.rst           |  12 ++
>  doc/guides/index.rst                   |   1 +
>  doc/guides/prog_guide/dmadev.rst       |  64 ++++++
>  doc/guides/prog_guide/img/dmadev.svg   | 283 +++++++++++++++++++++++++
>  doc/guides/prog_guide/index.rst        |   1 +
>  doc/guides/rel_notes/release_21_11.rst |   4 +
>  drivers/dma/meson.build                |   4 +
>  drivers/meson.build                    |   1 +
>  lib/dmadev/meson.build                 |   7 +
>  lib/dmadev/rte_dmadev.c                | 263 +++++++++++++++++++++++
>  lib/dmadev/rte_dmadev.h                | 134 ++++++++++++
>  lib/dmadev/rte_dmadev_core.h           |  51 +++++
>  lib/dmadev/rte_dmadev_pmd.h            |  60 ++++++
>  lib/dmadev/version.map                 |  20 ++
>  lib/meson.build                        |   1 +
>  19 files changed, 916 insertions(+)
>  create mode 100644 doc/guides/dmadevs/index.rst
>  create mode 100644 doc/guides/prog_guide/dmadev.rst
>  create mode 100644 doc/guides/prog_guide/img/dmadev.svg
>  create mode 100644 drivers/dma/meson.build
>  create mode 100644 lib/dmadev/meson.build
>  create mode 100644 lib/dmadev/rte_dmadev.c
>  create mode 100644 lib/dmadev/rte_dmadev.h
>  create mode 100644 lib/dmadev/rte_dmadev_core.h
>  create mode 100644 lib/dmadev/rte_dmadev_pmd.h
>  create mode 100644 lib/dmadev/version.map
>
<snip>
Hi Chengwen,
I see that the new version removed the "rte_dmadev_get_device_by_name()".
What is the way to get the dmadev from inside the PMD .remove ? I am
looking to get the dev_private as we need to do some cleanup
operations from the remove function.

regards,
Radha Mohan