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x86: add support for AWS T3 instances

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Amazon AWS T3 cloud instances require kernel support
for the Elastic Fabric Adapter to access storage
and for Elastic Network Adapter to use network
interfaces.

Since the Fabric Adapter is needed to access
root filesystem, enable in x86_64 kernel.

Elastic Network Adapter goes in a module,
and add this module to default list in x86_64.
The module is set to AutoLoad because AutoProbe does
not seem to load it.

Signed-off-by: Alberto Bursi <bobafetthotmail@gmail.com>
This commit is contained in:
Alberto Bursi 2021-02-06 20:25:32 +01:00 committed by Hauke Mehrtens
parent 0c0c9c734d
commit 788ec9a7cf
3 changed files with 20 additions and 2 deletions
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1
target/linux/x86/64/config-5.4
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@ -253,6 +253,7 @@ CONFIG_I2C_BOARDINFO=y
# CONFIG_I2C_MULTI_INSTANTIATE is not set
# CONFIG_IA32_EMULATION is not set
CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000
CONFIG_INFINIBAND_EFA=y
CONFIG_INPUT_XEN_KBDDEV_FRONTEND=y
CONFIG_INTEL_GTT=y
CONFIG_INTEL_IDLE=y

4
target/linux/x86/image/64.mk
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@ -1,7 +1,7 @@
define Device/generic
DEVICE_TITLE := Generic x86/64
DEVICE_PACKAGES += kmod-bnx2 kmod-e1000e kmod-e1000 kmod-forcedeth kmod-igb \
kmod-ixgbe kmod-r8169
DEVICE_PACKAGES += kmod-amazon-ena kmod-bnx2 kmod-e1000e kmod-e1000 \
kmod-forcedeth kmod-igb kmod-ixgbe kmod-r8169
GRUB2_VARIANT := generic
endef
TARGET_DEVICES += generic

17
target/linux/x86/modules.mk
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@ -2,6 +2,23 @@
#
# Copyright (C) 2017 Cezary Jackiewicz <cezary@eko.one.pll>
define KernelPackage/amazon-ena
SUBMENU:=$(NETWORK_DEVICES_MENU)
TITLE:=Elastic Network Adapter (for Amazon AWS T3)
DEPENDS:=@TARGET_x86_64
KCONFIG:=CONFIG_ENA_ETHERNET
FILES:=$(LINUX_DIR)/drivers/net/ethernet/amazon/ena/ena.ko
AUTOLOAD:=$(call AutoLoad,12,ena)
endef
define KernelPackage/amazon-ena/description
This driver supports Elastic Network Adapter (ENA)
used by Amazon AWS T3 instances.
endef
$(eval $(call KernelPackage,amazon-ena))
define KernelPackage/sound-cs5535audio
TITLE:=CS5535/CS5536 Audio Controller
DEPENDS:=@TARGET_x86_geode +kmod-ac97