[v18,0/8] support dmadev

  This patch set contains eight patch for new add dmadev.

Chengwen Feng (8):
  dmadev: introduce DMA device library public APIs
  dmadev: introduce DMA device library internal header
  dmadev: introduce DMA device library PMD header
  dmadev: introduce DMA device library implementation
  doc: add DMA device library guide
  dma/skeleton: introduce skeleton dmadev driver
  app/test: add dmadev API test
  maintainers: add for dmadev

---
v18:
* RTE_DMA_STATUS_* add BUS_READ/WRITE_ERR, PAGE_FAULT.
* rte_dmadev dataplane API add judge dev_started when debug enable.
* rte_dmadev_start/vchan_setup add judge device configured.
* rte_dmadev_dump support format capability name.
* optimized the comments of rte_dmadev.
* fix skeldma_copy always return zero when enqueue successful.
* log encapsulation macro add newline characters.
* test_dmadev_api support rte_dmadev_dump() ut.
v17:
* remove rte_dmadev_selftest() API.
* move dmadev API test from dma/skeleton to app/test.
* fix compile error of dma/skeleton driver when building for x86-32.
* fix iol spell check warning of dmadev.rst.
v16:
* redefine struct rte_dmadev_stats with fields:
  submitted, completed, errors.
* add dma skeleton.
* add dmadev ut.
v15:
* fix typo and readability of prog_guide.
* fix some public APIs return value comment inconsistent with the impl.
* add return -ENOSPC comment if enqueue fail due to no space.

 MAINTAINERS                            |    7 +
 app/test/meson.build                   |    4 +
 app/test/test_dmadev.c                 |   45 ++
 app/test/test_dmadev_api.c             |  532 ++++++++++++++++
 config/rte_config.h                    |    3 +
 doc/api/doxy-api-index.md              |    1 +
 doc/api/doxy-api.conf.in               |    1 +
 doc/guides/prog_guide/dmadev.rst       |  125 ++++
 doc/guides/prog_guide/img/dmadev.svg   |  283 +++++++++
 doc/guides/prog_guide/index.rst        |    1 +
 doc/guides/rel_notes/release_21_11.rst |    5 +
 drivers/dma/meson.build                |   11 +
 drivers/dma/skeleton/meson.build       |    7 +
 drivers/dma/skeleton/skeleton_dmadev.c |  601 ++++++++++++++++++
 drivers/dma/skeleton/skeleton_dmadev.h |   59 ++
 drivers/dma/skeleton/version.map       |    3 +
 drivers/meson.build                    |    1 +
 lib/dmadev/meson.build                 |    7 +
 lib/dmadev/rte_dmadev.c                |  614 +++++++++++++++++++
 lib/dmadev/rte_dmadev.h                | 1045 ++++++++++++++++++++++++++++++++
 lib/dmadev/rte_dmadev_core.h           |  178 ++++++
 lib/dmadev/rte_dmadev_pmd.h            |   72 +++
 lib/dmadev/version.map                 |   35 ++
 lib/meson.build                        |    1 +
 24 files changed, 3641 insertions(+)
 create mode 100644 app/test/test_dmadev.c
 create mode 100644 app/test/test_dmadev_api.c
 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 drivers/dma/skeleton/meson.build
 create mode 100644 drivers/dma/skeleton/skeleton_dmadev.c
 create mode 100644 drivers/dma/skeleton/skeleton_dmadev.h
 create mode 100644 drivers/dma/skeleton/version.map
 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