[dpdk-dev] [PATCH v2 3/6] config: add octeontx2 machine config

Pavan Nikhilesh Bhagavatula pbhagavatula at marvell.com
Mon Jan 7 16:42:10 CET 2019


From: Jerin Jacob Kollanukkaran <jerinj at marvell.com>

Optimized configuration for Marvell octeontx2 SoC.

Signed-off-by: Jerin Jacob <jerinj at marvell.com>
---
 config/defconfig_arm64-octeontx2-linuxapp-gcc | 18 ++++++++++
 mk/machine/octeontx2/rte.vars.mk              | 34 +++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 config/defconfig_arm64-octeontx2-linuxapp-gcc
 create mode 100644 mk/machine/octeontx2/rte.vars.mk

diff --git a/config/defconfig_arm64-octeontx2-linuxapp-gcc b/config/defconfig_arm64-octeontx2-linuxapp-gcc
new file mode 100644
index 000000000..9a99eada1
--- /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-linuxapp-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..e209cf492
--- /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=armv8.2-a+crc+crypto+lse)
+MACHINE_CFLAGS += $(call rte_cc_has_argument, -mcpu=octeontx2)
-- 
2.20.1



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