On Wed, Jul 7, 2021 at 8:46 AM fengchengwen <fengcheng...@huawei.com> wrote: > > LGTM, thanks > > And I'am prepare dmadev V2, include: > a) Fix code review comments (e.g. multiple-process support, doxygen, > comments, typo) > b) Flatten device abstraction to two layer: dmadev <> vchan
I think we should not have "virtual" in API specification. it can be virtual or real based on real HW/SW/Driver implementation. I think, just chan enough. > c) Public API use dev_id and vchan_id to locate one vchan > d) Using the flags parameter instead of the fence API > e) Rename rte_dmadev_perform to rte_dmadev_submit so it corresponds to the > stats variable. > > PS: Some code (lib/dmadev) will rebase this patchset > > > On 2021/7/7 4:28, Bruce Richardson wrote: > > This patchset contains a series of changes to dmadev based on work being > > done to > > port over our drivers to test this new infrastructure. Some of these are bug > > fixes to enable compilation e.g. missing exports or meson.build files, while > > others are suggested changes to enhance the API. All these patches are to be > > applied on top of [1] as they are mostly suggested changes to that RFC i.e. > > patches to the patch! > > > > The final patch includes some basic sanity tests for copy operations that we > > have ported over from the ioat self-tests to use the dmadev APIs. The basic > > dataplane part of those tests is probably ok for now, but the > > initialization of > > queues in that test code may need some enhancement. Feedback welcome. > > > > A tree with all these patches applied can be got at [2] if anyone wants to > > use > > that as a basis for working on drivers, or for other discussion. > > > > [1] > > http://patches.dpdk.org/project/dpdk/patch/1625231891-2963-1-git-send-email-fengcheng...@huawei.com/ > > [2] https://github.com/bruce-richardson/dpdk/tree/dmadev-rfcs > > > > Bruce Richardson (9): > > dmadev: add missing exports > > dmadev: change virtual addresses to IOVA > > dmadev: add dump function > > dmadev: remove xstats functions > > dmadev: drop cookie typedef > > dmadev: allow NULL parameters to completed ops call > > dmadev: stats structure updates > > drivers: add dma driver category > > app/test: add basic dmadev unit test > > > > app/test/meson.build | 2 + > > app/test/test_dmadev.c | 320 +++++++++++++++++++++++++++++++++++ > > drivers/dma/meson.build | 11 ++ > > drivers/meson.build | 1 + > > lib/dmadev/rte_dmadev.c | 66 ++------ > > lib/dmadev/rte_dmadev.h | 204 +++++++--------------- > > lib/dmadev/rte_dmadev_core.h | 16 +- > > lib/dmadev/rte_dmadev_pmd.h | 24 +-- > > lib/dmadev/version.map | 7 +- > > 9 files changed, 425 insertions(+), 226 deletions(-) > > create mode 100644 app/test/test_dmadev.c > > create mode 100644 drivers/dma/meson.build > > > > -- > > 2.30.2 > > > > > > . > > >