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#!/bin/bash
# called by dracut
installkernel() {
local _blockfuncs='ahci_platform_get_resources|ata_scsi_ioctl|scsi_add_host|blk_cleanup_queue|register_mtd_blktrans|scsi_esp_register|register_virtio_device|usb_stor_disconnect|mmc_add_host|sdhci_add_host|scsi_add_host_with_dma|blk_alloc_disk|blk_mq_alloc_disk|blk_mq_alloc_request|blk_mq_destroy_queue|blk_cleanup_disk'
local -A _hostonly_drvs
# shellcheck disable=SC2317,SC2329 # called later by for_each_host_dev_and_slaves
record_block_dev_drv() {
for _mod in $(get_dev_module /dev/block/"$1"); do
_hostonly_drvs["$_mod"]="$_mod"
done
for _mod in $(get_blockdev_drv_through_sys "/sys/dev/block/$1"); do
_hostonly_drvs["$_mod"]="$_mod"
done
((${#_hostonly_drvs[@]} > 0)) && return 0
return 1
}
install_block_modules_strict() {
hostonly='' instmods "${_hostonly_drvs[@]}"
}
install_block_modules() {
hostonly=$(optional_hostonly) instmods \
scsi_dh_rdac scsi_dh_emc scsi_dh_alua \
=drivers/usb/storage \
=ide nvme vmd \
virtio_blk virtio_scsi \
=drivers/ufs
dracut_instmods -o -s "${_blockfuncs}" "=drivers"
}
if [[ -z $drivers ]]; then
hostonly='' instmods \
hid_generic unix
# xhci-pci-renesas is needed for the USB to be available during
# initrd on platforms with such USB controllers since Linux
# 6.12-rc1 (commit 25f51b76f90f).
hostonly=$(optional_hostonly) instmods \
ehci-hcd ehci-pci ehci-platform \
ohci-hcd ohci-pci \
uhci-hcd \
usbhid \
xhci-hcd xhci-pci xhci-pci-renesas xhci-plat-hcd \
"=drivers/hid" \
"=drivers/tty/serial" \
"=drivers/input/serio" \
"=drivers/input/keyboard" \
"=drivers/pci/host" \
"=drivers/pci/controller" \
"=drivers/pinctrl" \
"=drivers/usb/typec" \
"=drivers/watchdog"
hostonly=$(optional_hostonly) instmods \
yenta_socket intel_lpss_pci spi_pxa2xx_platform \
atkbd i8042 firewire-ohci hv-vmbus \
virtio virtio_ring virtio_pci pci_hyperv \
surface_aggregator_registry psmouse
if [[ ${DRACUT_ARCH:-$(uname -m)} == arm* || ${DRACUT_ARCH:-$(uname -m)} == aarch64 || ${DRACUT_ARCH:-$(uname -m)} == riscv* ]]; then
# arm/aarch64 specific modules
_blockfuncs+='|dw_mc_probe|dw_mci_pltfm_register|nvme_init_ctrl'
hostonly=$(optional_hostonly) instmods \
"=drivers/clk" \
"=drivers/devfreq" \
"=drivers/dma" \
"=drivers/extcon" \
"=drivers/gpio" \
"=drivers/hwmon" \
"=drivers/hwspinlock" \
"=drivers/interconnect" \
"=drivers/i2c/busses" \
"=drivers/mailbox" \
"=drivers/memory" \
"=drivers/mfd" \
"=drivers/mmc/core" \
"=drivers/mmc/host" \
"=drivers/nvmem" \
"=drivers/phy" \
"=drivers/platform/chrome" \
"=drivers/power" \
"=drivers/regulator" \
"=drivers/reset" \
"=drivers/rpmsg" \
"=drivers/rtc" \
"=drivers/soc" \
"=drivers/spi" \
"=drivers/spmi" \
"=drivers/usb/cdns3" \
"=drivers/usb/chipidea" \
"=drivers/usb/dwc2" \
"=drivers/usb/dwc3" \
"=drivers/usb/host" \
"=drivers/usb/isp1760" \
"=drivers/usb/misc" \
"=drivers/usb/musb" \
"=drivers/usb/phy" \
"=drivers/scsi/hisi_sas" \
"=net/qrtr"
fi
awk -F: '/^\// {print $1}' "$srcmods/modules.dep" 2> /dev/null | instmods
# if not on strict hostonly mode, or there are hostonly block device
# install block drivers
if [[ $hostonly_mode != "strict" ]] \
|| for_each_host_dev_and_slaves_all record_block_dev_drv; then
hostonly='' instmods sg sr_mod sd_mod scsi_dh ata_piix
if [[ $hostonly_mode == "strict" ]]; then
install_block_modules_strict
else
install_block_modules
fi
fi
# if not on strict hostonly mode, install all known filesystems,
# if the required list is not set via the filesystems variable
if [[ $hostonly_mode != "strict" ]] && [[ -z $filesystems ]]; then
dracut_instmods -o -P ".*/(kernel/fs/nfs|kernel/fs/nfsd|kernel/fs/lockd)/.*" '=fs'
fi
if [[ $hostonly ]] && [[ "${host_fs_types[*]}" ]]; then
hostonly='' instmods "${host_fs_types[@]}"
fi
arch=${DRACUT_ARCH:-$(uname -m)}
# We don't want to play catch up with hash and encryption algorithms.
# To be safe, just use the hammer and include all crypto.
[[ $arch == x86_64 ]] && arch=x86
[[ $arch == s390x ]] && arch=s390
[[ $arch == aarch64 ]] && arch=arm64
[[ $arch == loongarch64 ]] && arch=loongarch
hostonly='' instmods "=crypto"
hostonly=$(optional_hostonly) instmods "=arch/$arch/crypto" "=drivers/crypto"
fi
inst_multiple -o "$depmodd/*.conf"
if [[ $hostonly ]]; then
inst_multiple -H -o "$depmodconfdir/*.conf"
fi
:
}
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