rootdir/etc/init.qti.kernel.rc

#=============================================================================
# Copyright (c) 2019-2022 Qualcomm Technologies, Inc.
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# Confidential and Proprietary - Qualcomm Technologies, Inc.
#
# Copyright (c) 2009-2012, 2014-2019, The Linux Foundation. All rights reserved.
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#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
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#       the names of its contributors may be used to endorse or promote
#       products derived from this software without specific prior written
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#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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#=============================================================================
import /vendor/etc/init/hw/init.qti.kernel.test.rc

on early-init
    # Set the console loglevel to < KERN_WARN
    # Set the default message loglevel to KERN_INFO
    write /proc/sys/kernel/printk "4 6 1 7"

    start gki.modprobe
    start vendor.modprobe

    # Mount tracefs in /sys/kernel/tracing as CONFIG_DEBUG_FS might be
    # disabled and /sys/kernel/debug/tracing might not be available
    mount tracefs tracefs /sys/kernel/tracing
    chmod 0755 /sys/kernel/tracing

    chown root system /dev/kmsg
    chmod 0620 /dev/kmsg

    write /proc/sys/kernel/sched_boost 1

    write /proc/sys/kernel/firmware_config/force_sysfs_fallback 1

on post-fs
    wait_for_prop vendor.all.modules.ready 1

    # Create cgroup mount point for memory
    mkdir /sys/fs/cgroup/memory/bg 0750 root system
    write /sys/fs/cgroup/memory/bg/memory.swappiness 140
    write /sys/fs/cgroup/memory/bg/memory.move_charge_at_immigrate 1
    chown root system /sys/fs/cgroup/memory/bg/tasks
    chmod 0660 /sys/fs/cgroup/memory/bg/tasks

    # update scheduler tunables
    write /dev/cpuctl/foreground/cpu.uclamp.sched_boost_no_override 1
    write /dev/cpuctl/top-app/cpu.uclamp.sched_boost_no_override 1
    write /dev/cpuctl/background/cpu.uclamp.colocate 0
    write /dev/cpuctl/foreground/cpu.uclamp.colocate 0
    write /dev/cpuctl/top-app/cpu.uclamp.colocate 1

    # set aggressive read ahead for dm-0 and dm-1 during boot up
    write /sys/block/dm-0/queue/read_ahead_kb 2048
    write /sys/block/dm-1/queue/read_ahead_kb 2048
    write /sys/block/dm-2/queue/read_ahead_kb 2048

on early-boot
    # Allow subsystem (modem etc) debugging
    exec_background u:r:vendor_qti_init_shell_bg:s0 -- /vendor/bin/init.qti.write.sh /sys/kernel/boot_adsp/boot 1
    exec_background u:r:vendor_qti_init_shell_bg:s0 -- /vendor/bin/init.qti.write.sh /sys/kernel/boot_cdsp/boot 1
    exec_background u:r:vendor_qti_init_shell_bg:s0 -- /vendor/bin/init.qti.write.sh /sys/devices/virtual/cvp/cvp/boot 1

on boot
    # Allow access to dload sysfs node
    chown root system /sys/kernel/dload/emmc_dload
    chmod 0660 /sys/kernel/dload/emmc_dload
    chown root system /dev/block/bootdevice/by-name/ramdump
    chmod 0660 /dev/block/bootdevice/by-name/ramdump
    chown root system /sys/kernel/dload/dload_mode
    chmod 0660 /sys/kernel/dload/dload_mode

    # set the io-scheduler to bfq on all mq support devices
    write /sys/block/sda/queue/scheduler bfq
    write /sys/block/sdb/queue/scheduler bfq
    write /sys/block/sdc/queue/scheduler bfq
    write /sys/block/sdd/queue/scheduler bfq
    write /sys/block/sde/queue/scheduler bfq
    write /sys/block/sdf/queue/scheduler bfq
    write /sys/block/sdg/queue/scheduler bfq
    write /sys/block/sdh/queue/scheduler bfq
    write /sys/class/block/mmcblk0/queue/scheduler bfq
    write /sys/class/block/mmcblk1/queue/scheduler bfq

    # update io-scheduler tunables
    write /sys/block/sda/queue/iosched/slice_idle 0
    write /sys/block/sdb/queue/iosched/slice_idle 0
    write /sys/block/sdc/queue/iosched/slice_idle 0
    write /sys/block/sdd/queue/iosched/slice_idle 0
    write /sys/block/sde/queue/iosched/slice_idle 0
    write /sys/block/sdf/queue/iosched/slice_idle 0
    write /sys/block/sdg/queue/iosched/slice_idle 0
    write /sys/block/sdh/queue/iosched/slice_idle 0
    write /sys/class/block/mmcblk0/queue/iosched/slice_idle 0
    write /sys/class/block/mmcblk1/queue/iosched/slice_idle 0

    # Allow access to memory hotplug device attributes
    chown system system /sys/kernel/mem-offline/anon_migrate

on post-fs-data
    # Create directory used for dump collection
    mkdir /data/vendor/ssrdump 0770 root system

on property:persist.sys.ssr.enable_debug=*
    write /sys/module/subsys_pil_tz/parameters/enable_debug ${persist.sys.ssr.enable_debug}

on property:persist.sys.mba_boot_timeout=*
    write /sys/module/pil_msa/parameters/pbl_mba_boot_timeout_ms ${persist.sys.mba_boot_timeout}

on property:persist.sys.modem_auth_timeout=*
    write /sys/module/pil_msa/parameters/modem_auth_timeout_ms ${persist.sys.modem_auth_timeout}

on property:persist.sys.pil_proxy_timeout=*
    write /sys/module/peripheral_loader/parameters/proxy_timeout_ms ${persist.sys.pil_proxy_timeout}

on property:persist.vendor.ssr.enable_ramdumps=1
    write /sys/module/subsystem_restart/parameters/enable_ramdumps 1

on property:persist.vendor.ssr.enable_ramdumps=0
    write /sys/module/subsystem_restart/parameters/enable_ramdumps 0

on property:persist.vendor.sys.rawdump_copy=1
    write /sys/kernel/dload/emmc_dload 1

on property:persist.vendor.sys.rawdump_copy=0
    write /sys/kernel/dload/emmc_dload 0

service kernel-boot /vendor/bin/sh /vendor/bin/init.qti.kernel.sh
    class core
    user root
    group root
    disabled
    oneshot

service kernel-post-boot /vendor/bin/sh /vendor/bin/init.kernel.post_boot.sh
    class core
    user root
    group root system wakelock graphics
    disabled
    oneshot

on property:sys.boot_completed=1
    write /dev/kmsg "Boot completed "
    #Reset read ahead for dm-0, dm-1 and dm-2 to 512kb
    write /sys/block/dm-0/queue/read_ahead_kb 512
    write /sys/block/dm-1/queue/read_ahead_kb 512
    write /sys/block/dm-2/queue/read_ahead_kb 512
    write /proc/sys/vm/page-cluster 0
    start kernel-boot
    start kernel-post-boot

on charger
    start kernel-post-boot

service vendor.msm_irqbalance /vendor/bin/msm_irqbalance -f /system/vendor/etc/msm_irqbalance.conf
    class core
    user root
    group root
    disabled

service gki.modprobe /vendor/bin/system_dlkm_modprobe.sh
    class main
    user root
    group root system
    disabled
    stdio_to_kmsg
    seclabel u:r:vendor_modprobe:s0
    oneshot

service vendor.modprobe /vendor/bin/vendor_modprobe.sh
    class main
    user root
    group root system
    disabled
    stdio_to_kmsg
    seclabel u:r:vendor_modprobe:s0
    oneshot