4514500ee6
Do not enable meminfo-writer (and in consequence qmemman) for the VM if any real PCI device is present. Do not count qemu-emulated devices.
99 lines
3.1 KiB
Bash
Executable File
99 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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# Source Qubes library.
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. /usr/lib/qubes/init/functions
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# List of services enabled by default (in case of absence of qubesdb entry)
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DEFAULT_ENABLED_NETVM="network-manager qubes-network qubes-update-check qubes-updates-proxy"
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DEFAULT_ENABLED_PROXYVM="qubes-network qubes-firewall qubes-update-check"
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DEFAULT_ENABLED_APPVM="cups qubes-update-check"
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DEFAULT_ENABLED_TEMPLATEVM="$DEFAULT_ENABLED_APPVM updates-proxy-setup"
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DEFAULT_ENABLED=""
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# devices emulated by qemu, first list of vendor IDs then list of device IDs:
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qemu_devices="0x8086
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0x8086
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0x8086
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0x8086
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0x8086
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0x5853
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0x1013
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0x1237
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0x7000
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0x7010
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0x7020
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0x7113
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0x0001
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0x00b8
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"
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if [ -z "$(ls /sys/bus/pci/devices/)" -o \
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"$(cat /sys/bus/pci/devices/*/{vendor,device})" != "$qemu_devices" ]; then
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# do not enable meminfo-writer (so qmemman for this domain) when any real PCI
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# device is present
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DEFAULT_ENABLED="$DEFAULT_ENABLED meminfo-writer"
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DEFAULT_ENABLED_APPVM="$DEFAULT_ENABLED_APPVM meminfo-writer"
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DEFAULT_ENABLED_PROXYVM="$DEFAULT_ENABLED_PROXYVM meminfo-writer"
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DEFAULT_ENABLED_TEMPLATEVM="$DEFAULT_ENABLED_TEMPLATEVM meminfo-writer"
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fi
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if systemd_version_changed ; then
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# Ensure we're running right version of systemd (the one started by initrd may be different)
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systemctl daemon-reexec
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fi
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# Wait for xenbus initialization
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while [ ! -e /dev/xen/xenbus -a ! -e /proc/xen/xenbus ]; do
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sleep 0.1
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done
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mkdir -p /var/run/qubes
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chgrp qubes /var/run/qubes
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chmod 0775 /var/run/qubes
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mkdir -p /var/run/qubes-service
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mkdir -p /var/run/xen-hotplug
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# Set permissions to /proc/xen/xenbus, so normal user can talk to xenstore, to
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# open vchan connection. Note that new code uses /dev/xen/xenbus (which have
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# permissions set by udev), so this probably can go away soon
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chmod 666 /proc/xen/xenbus
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# Set permissions to /proc/xen/privcmd, so a user in qubes group can access
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chmod 660 /proc/xen/privcmd
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chgrp qubes /proc/xen/privcmd
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[ -e /proc/u2mfn ] || modprobe u2mfn
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# Set permissions to files needed by gui-agent
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chmod 666 /proc/u2mfn
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# Set default services depending on VM type
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is_appvm && DEFAULT_ENABLED=$DEFAULT_ENABLED_APPVM && touch /var/run/qubes/this-is-appvm
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is_netvm && DEFAULT_ENABLED=$DEFAULT_ENABLED_NETVM && touch /var/run/qubes/this-is-netvm
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is_proxyvm && DEFAULT_ENABLED=$DEFAULT_ENABLED_PROXYVM && touch /var/run/qubes/this-is-proxyvm
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is_templatevm && DEFAULT_ENABLED=$DEFAULT_ENABLED_TEMPLATEVM && touch /var/run/qubes/this-is-templatevm
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# Enable default services
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for srv in $DEFAULT_ENABLED; do
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touch /var/run/qubes-service/$srv
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done
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# Enable services
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for srv in `qubesdb-multiread /qubes-service/ 2>/dev/null |grep ' = 1'|cut -f 1 -d ' '`; do
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touch /var/run/qubes-service/$srv
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done
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# Disable services
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for srv in `qubesdb-multiread /qubes-service/ 2>/dev/null |grep ' = 0'|cut -f 1 -d ' '`; do
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rm -f /var/run/qubes-service/$srv
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done
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# Prepare environment for other services
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echo > /var/run/qubes-service-environment
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debug_mode=`qubesdb-read /qubes-debug-mode 2> /dev/null`
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if [ -n "$debug_mode" -a "$debug_mode" -gt 0 ]; then
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echo "GUI_OPTS=-vv" >> /var/run/qubes-service-environment
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fi
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exit 0
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