Re: [dpdk-dev] [PATCH v6 4/4] config: add octeontx2 machine config

["Gavin Hu (Arm Technology China)" <Gavin.Hu@arm.com>]

> -----Original Message-----
> From: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
> Sent: Tuesday, March 19, 2019 12:50 AM
> To: thomas@monjalon.net
> Cc: dev@dpdk.org; Gavin Hu (Arm Technology China) <Gavin.Hu@arm.com>;
> jerinj@marvell.com; Pavan Nikhilesh Bhagavatula
> <pbhagavatula@marvell.com>
> Subject: [dpdk-dev] [PATCH v6 4/4] config: add octeontx2 machine config
>
> From: Jerin Jacob <jerinj@marvell.com>
>
> Optimized configuration for Marvell octeontx2 SoC.
> Updated meson build to support Marvell octeontx2 SoC.
> Added meson cross build target for octeontx2.
>
> Signed-off-by: Jerin Jacob <jerinj@marvell.com>
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
>  config/arm/arm64_octeontx2_linux_gcc          | 15 ++++++++
>  config/arm/meson.build                        |  9 ++++-
>  config/defconfig_arm64-octeontx2-linux-gcc    |  1 +
>  config/defconfig_arm64-octeontx2-linuxapp-gcc | 18 ++++++++++
>  mk/machine/octeontx2/rte.vars.mk              | 34 +++++++++++++++++++
>  5 files changed, 76 insertions(+), 1 deletion(-)
>  create mode 100644 config/arm/arm64_octeontx2_linux_gcc
>  create mode 120000 config/defconfig_arm64-octeontx2-linux-gcc
>  create mode 100644 config/defconfig_arm64-octeontx2-linuxapp-gcc
>  create mode 100644 mk/machine/octeontx2/rte.vars.mk
>
> diff --git a/config/arm/arm64_octeontx2_linux_gcc
> b/config/arm/arm64_octeontx2_linux_gcc
> new file mode 100644
> index 000000000..7a6429b1b
> --- /dev/null
> +++ b/config/arm/arm64_octeontx2_linux_gcc
> @@ -0,0 +1,15 @@
> +[binaries]
> +c = 'aarch64-linux-gnu-gcc'
> +cpp = 'aarch64-linux-gnu-cpp'
> +ar = 'aarch64-linux-gnu-gcc-ar'
> +strip = 'aarch64-linux-gnu-strip'
> +
> +[host_machine]
> +system = 'linux'
> +cpu_family = 'aarch64'
> +cpu = 'armv8-a'
> +endian = 'little'
> +
> +[properties]
> +implementor_id = '0x43'
> +implementor_pn = '0xb2'
> diff --git a/config/arm/meson.build b/config/arm/meson.build
> index 5c391ed3c..87ae40c24 100644
> --- a/config/arm/meson.build
> +++ b/config/arm/meson.build
> @@ -79,6 +79,12 @@ flags_thunderx2_extra = [
>  ['RTE_MAX_NUMA_NODES', 2],
>  ['RTE_MAX_LCORE', 256],
>  ['RTE_USE_C11_MEM_MODEL', true]]
> +flags_octeontx2_extra = [
> +['RTE_MACHINE', '"octeontx2"'],
> +['RTE_MAX_NUMA_NODES', 1],
> +['RTE_MAX_LCORE', 24],
> +['RTE_EAL_IGB_UIO', false],
> +['RTE_USE_C11_MEM_MODEL', true]]
>
>  machine_args_generic = [
>  ['default', ['-march=armv8-a+crc+crypto']],
> @@ -96,7 +102,8 @@ machine_args_cavium = [
>  ['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
>  ['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
>  ['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra],
> -['0xaf', ['-mcpu=thunderx2t99'], flags_thunderx2_extra]]
> +['0xaf', ['-mcpu=thunderx2t99'], flags_thunderx2_extra],
> +['0xb2', ['-mcpu=octeontx2'], flags_octeontx2_extra]]
>
>  ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
>  impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
> diff --git a/config/defconfig_arm64-octeontx2-linux-gcc
> b/config/defconfig_arm64-octeontx2-linux-gcc
> new file mode 120000
> index 000000000..e25150531
> --- /dev/null
> +++ b/config/defconfig_arm64-octeontx2-linux-gcc
> @@ -0,0 +1 @@
> +defconfig_arm64-octeontx2-linuxapp-gcc
> \ No newline at end of file
> diff --git a/config/defconfig_arm64-octeontx2-linuxapp-gcc
> b/config/defconfig_arm64-octeontx2-linuxapp-gcc
> new file mode 100644
> index 000000000..9eae84538
> --- /dev/null
> +++ b/config/defconfig_arm64-octeontx2-linuxapp-gcc
> @@ -0,0 +1,18 @@
> +# SPDX-License-Identifier: BSD-3-Clause
> +# Copyright(c) 2018 Marvell International Ltd
> +#
> +
> +#include "defconfig_arm64-armv8a-linux-gcc"
> +
> +CONFIG_RTE_MACHINE="octeontx2"
> +
> +CONFIG_RTE_CACHE_LINE_SIZE=128
> +CONFIG_RTE_MAX_NUMA_NODES=1
> +CONFIG_RTE_MAX_LCORE=24
> +
> +# Doesn't support NUMA
> +CONFIG_RTE_EAL_NUMA_AWARE_HUGEPAGES=n
> +CONFIG_RTE_LIBRTE_VHOST_NUMA=n
> +
> +# Recommend to use VFIO as co-processors needs SMMU/IOMMU
> +CONFIG_RTE_EAL_IGB_UIO=n
> diff --git a/mk/machine/octeontx2/rte.vars.mk
> b/mk/machine/octeontx2/rte.vars.mk
> new file mode 100644
> index 000000000..cbec7f14d
> --- /dev/null
> +++ b/mk/machine/octeontx2/rte.vars.mk
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: BSD-3-Clause
> +# Copyright(c) 2018 Marvell International Ltd
> +#
> +
> +#
> +# machine:
> +#
> +#   - can define ARCH variable (overridden by cmdline value)
> +#   - can define CROSS variable (overridden by cmdline value)
> +#   - define MACHINE_CFLAGS variable (overridden by cmdline value)
> +#   - define MACHINE_LDFLAGS variable (overridden by cmdline value)
> +#   - define MACHINE_ASFLAGS variable (overridden by cmdline value)
> +#   - can define CPU_CFLAGS variable (overridden by cmdline value) that
> +#     overrides the one defined in arch.
> +#   - can define CPU_LDFLAGS variable (overridden by cmdline value) that
> +#     overrides the one defined in arch.
> +#   - can define CPU_ASFLAGS variable (overridden by cmdline value) that
> +#     overrides the one defined in arch.
> +#   - may override any previously defined variable
> +#
> +
> +# ARCH =
> +# CROSS =
> +# MACHINE_CFLAGS =
> +# MACHINE_LDFLAGS =
> +# MACHINE_ASFLAGS =
> +# CPU_CFLAGS =
> +# CPU_LDFLAGS =
> +# CPU_ASFLAGS =
> +
> +include $(RTE_SDK)/mk/rte.helper.mk
> +
> +MACHINE_CFLAGS += $(call rte_cc_has_argument, -march=-
> mcpu=armv8.2-a+crc+crypto+lse)
> +MACHINE_CFLAGS += $(call rte_cc_has_argument, -mcpu=octeontx2)
> --
> 2.21.0

Reviewed-by: Gavin Hu <gavin.hu@arm.com>
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