[PATCH v6 0/7] Introduce support for LoongArch architecture

[zhoumin]

Sincerely ping.


On Sat, 27 Aug, 2022 at 16:59 +0800, Min Zhou wrote:
> Dear team,
>
> The following patch set is intended to support DPDK running on LoongArch
> architecture.
>
> LoongArch is the general processor architecture of Loongson Corporation
> and is a new RISC ISA, which is a bit like MIPS or RISC-V.
>
> The online documents of LoongArch architecture are here:
>      https://loongson.github.io/LoongArch-Documentation/README-EN.html
>
> The latest build tools for LoongArch (binary) can be downloaded from:
>      https://github.com/loongson/build-tools
>
> v6:
>      - place some blocks for LoongArch in a pseudo alphabetical order
>      - remove some macros not used
>      - update release notes in the correct format
>      - remove some headers for LoongArch, including msclock, pflock and
>        ticketlock, which are now non-arch specific
>      - rename some helpers to make them more readable
>      - remove some copied comments
>      - force-set RTE_FORCE_INTRINSICS in config and remove non-arch
>        specific implementations
>      - fix format errors in meson file reported by check-meson.py
>      - rebase the patchset on the main repository
>
> v5:
>      - merge all patches for supporting LoongArch EAL into one patch
>      - add LoongArch cross compilation document and update some documents
>        related to architecture
>      - remove vector stubs added for LoongArch in net/i40e and net/ixgbe
>      - add LOONGARCH64 cross compilation job in github ci
>
> v4:
>      - rebase the patchset on the main repository of version 22.07.0
>
> v3:
>      - add URL for cross compile tool chain
>      - remove rte_lpm_lsx.h which was a dummy vector implementation
>        because there is already a scalar implementation, thanks to
>        Michal Mazurek
>      - modify the name of compiler for cross compiling
>      - remove useless variable in meson.build
>
> v2:
>      - use standard atomics of toolchain to implement
>        atomic operations
>      - implement spinlock based on standard atomics
>
> *** BLURB HERE ***
>
> Min Zhou (7):
>    eal/loongarch: support LoongArch architecture
>    net/ixgbe: add vector stubs for LoongArch
>    net/memif: set memfd syscall ID on LoongArch
>    net/tap: set BPF syscall ID for LoongArch
>    examples/l3fwd: enable LoongArch operation
>    test/cpuflags: add test for LoongArch cpu flag
>    ci: add LOONGARCH64 cross compilation job
>
>   .ci/linux-build.sh                            | 10 ++
>   .github/workflows/build.yml                   | 10 +-
>   MAINTAINERS                                   |  6 ++
>   app/test/test_cpuflags.c                      | 41 ++++++++
>   app/test/test_xmmt_ops.h                      | 12 +++
>   .../loongarch/loongarch_loongarch64_linux_gcc | 16 ++++
>   config/loongarch/meson.build                  | 43 +++++++++
>   doc/guides/contributing/design.rst            |  2 +-
>   .../cross_build_dpdk_for_loongarch.rst        | 87 +++++++++++++++++
>   doc/guides/linux_gsg/index.rst                |  1 +
>   doc/guides/nics/features.rst                  |  8 ++
>   doc/guides/nics/features/default.ini          |  1 +
>   doc/guides/nics/features/ixgbe.ini            |  1 +
>   doc/guides/rel_notes/release_22_11.rst        |  7 ++
>   drivers/net/i40e/meson.build                  |  6 ++
>   drivers/net/ixgbe/ixgbe_rxtx.c                |  7 +-
>   drivers/net/memif/rte_eth_memif.h             |  2 +
>   drivers/net/tap/tap_bpf.h                     |  2 +
>   examples/l3fwd/l3fwd_em.c                     |  8 ++
>   lib/eal/linux/eal_memory.c                    |  4 +
>   lib/eal/loongarch/include/meson.build         | 18 ++++
>   lib/eal/loongarch/include/rte_atomic.h        | 47 ++++++++++
>   lib/eal/loongarch/include/rte_byteorder.h     | 40 ++++++++
>   lib/eal/loongarch/include/rte_cpuflags.h      | 39 ++++++++
>   lib/eal/loongarch/include/rte_cycles.h        | 47 ++++++++++
>   lib/eal/loongarch/include/rte_io.h            | 18 ++++
>   lib/eal/loongarch/include/rte_memcpy.h        | 61 ++++++++++++
>   lib/eal/loongarch/include/rte_pause.h         | 24 +++++
>   .../loongarch/include/rte_power_intrinsics.h  | 20 ++++
>   lib/eal/loongarch/include/rte_prefetch.h      | 47 ++++++++++
>   lib/eal/loongarch/include/rte_rwlock.h        | 42 +++++++++
>   lib/eal/loongarch/include/rte_spinlock.h      | 64 +++++++++++++
>   lib/eal/loongarch/include/rte_vect.h          | 65 +++++++++++++
>   lib/eal/loongarch/meson.build                 | 11 +++
>   lib/eal/loongarch/rte_cpuflags.c              | 93 +++++++++++++++++++
>   lib/eal/loongarch/rte_cycles.c                | 45 +++++++++
>   lib/eal/loongarch/rte_hypervisor.c            | 11 +++
>   lib/eal/loongarch/rte_power_intrinsics.c      | 51 ++++++++++
>   meson.build                                   |  2 +
>   39 files changed, 1015 insertions(+), 4 deletions(-)
>   create mode 100644 config/loongarch/loongarch_loongarch64_linux_gcc
>   create mode 100644 config/loongarch/meson.build
>   create mode 100644 doc/guides/linux_gsg/cross_build_dpdk_for_loongarch.rst
>   create mode 100644 lib/eal/loongarch/include/meson.build
>   create mode 100644 lib/eal/loongarch/include/rte_atomic.h
>   create mode 100644 lib/eal/loongarch/include/rte_byteorder.h
>   create mode 100644 lib/eal/loongarch/include/rte_cpuflags.h
>   create mode 100644 lib/eal/loongarch/include/rte_cycles.h
>   create mode 100644 lib/eal/loongarch/include/rte_io.h
>   create mode 100644 lib/eal/loongarch/include/rte_memcpy.h
>   create mode 100644 lib/eal/loongarch/include/rte_pause.h
>   create mode 100644 lib/eal/loongarch/include/rte_power_intrinsics.h
>   create mode 100644 lib/eal/loongarch/include/rte_prefetch.h
>   create mode 100644 lib/eal/loongarch/include/rte_rwlock.h
>   create mode 100644 lib/eal/loongarch/include/rte_spinlock.h
>   create mode 100644 lib/eal/loongarch/include/rte_vect.h
>   create mode 100644 lib/eal/loongarch/meson.build
>   create mode 100644 lib/eal/loongarch/rte_cpuflags.c
>   create mode 100644 lib/eal/loongarch/rte_cycles.c
>   create mode 100644 lib/eal/loongarch/rte_hypervisor.c
>   create mode 100644 lib/eal/loongarch/rte_power_intrinsics.c
>

--
Thanks,
Min Zhou