RE: [PATCH] config: added support for NVIDIA ARM implementer ID

[Ruifeng Wang <Ruifeng.Wang@arm.com>]

> -----Original Message-----
> From: cburdick@nvidia.com <cburdick@nvidia.com>
> Sent: Wednesday, February 22, 2023 1:34 AM
> To: Ruifeng Wang <Ruifeng.Wang@arm.com>
> Cc: dev@dpdk.org; Cliff Burdick <cburdick@nvidia.com>
> Subject: [PATCH] config: added support for NVIDIA ARM implementer ID
> 
> From: Cliff Burdick <cburdick@nvidia.com>
> 
> NVIDIA's Jetson Xavier is an ARM chip with NVIDIA as the implementer ID and a new part
> number. This patch adds support for this implementer ID and the part number.
> 
> Signed-off-by: Cliff Burdick <cburdick@nvidia.com>
> ---
>  .mailmap               |  1 +
>  config/arm/meson.build | 21 +++++++++++++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/.mailmap b/.mailmap
> index 6a91c11be4..2cb0d9e41b 100644
> --- a/.mailmap
> +++ b/.mailmap
> @@ -230,6 +230,7 @@ Cian Ferriter <cian.ferriter@intel.com>  Ciara Loftus
> <ciara.loftus@intel.com>  Ciara Power <ciara.power@intel.com>  Claire Murphy
> <claire.k.murphy@intel.com>
> +Cliff Burdick <cburdick@nvidia.com>
>  Cody Doucette <doucette@bu.edu>
>  Congwen Zhang <zhang.congwen@zte.com.cn>  Conor Fogarty <conor.fogarty@intel.com> diff --
> git a/config/arm/meson.build b/config/arm/meson.build index 6442ec9596..6c3de22f16 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -159,6 +159,26 @@ implementer_cavium = {
>      }
>  }
> 
> +implementer_nvidia = {
> +    'description': 'NVIDIA',
> +    'flags': [
> +        ['RTE_CACHE_LINE_SIZE', 64]
> +    ],
> +    'part_number_config': {
> +        '0x4': {
> +            'march': 'armv8-a',
> +            'march_features': ['crc', 'crypto', 'lse'],
> +            'compiler_options': ['-march=armv8-a+crc+lse+simd'],
> +            'flags': [
> +                ['RTE_USE_C11_MEM_MODEL', true],
> +                ['RTE_MAX_LCORE', 8],
> +                ['RTE_MAX_NUMA_NODES', 1],
> +                ['RTE_MACHINE', '"armv8a"']
> +            ]
> +        }
> +    }
> +}
> +
>  implementer_ampere = {
>      'description': 'Ampere Computing',
>      'flags': [
> @@ -261,6 +281,7 @@ implementers = {
>      '0x41': implementer_arm,
>      '0x43': implementer_cavium,
>      '0x48': implementer_hisilicon,
> +    '0x4e': implementer_nvidia,
>      '0x50': implementer_ampere,
>      '0x51': implementer_qualcomm,
>      '0x70': implementer_phytium,
> --
> 2.17.1
Only native build is supported with this change. To support cross build, soc section needs to be updated.
The below patch can be referenced:
http://patches.dpdk.org/project/dpdk/patch/20230220084827.3317796-3-rasland@nvidia.com/