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dom0+vm: expose block devices info in xenstore (#226)

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This commit is contained in:
Marek Marczykowski 2011-09-29 13:49:52 +02:00
parent 0b746bbf70
commit 012dc63c53
4 changed files with 59 additions and 0 deletions
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29
common/block_add_change Executable file
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@ -0,0 +1,29 @@
#!/bin/bash
NAME=${DEVNAME#/dev/}
DESC="${ID_MODEL} (${ID_FS_LABEL})"
SIZE=$(cat /sys/$DEVPATH/size)
MODE=w
XS_KEY="qubes-block-devices/$NAME"
# Ignore mounted...
if fgrep -q $DEVNAME /proc/mounts; then
xenstore-rm "$XS_KEY"
exit 0
fi
# ... and used by device-mapper
if [ -n "`ls -A /sys/$DEVPATH/holders 2> /dev/null`" ]; then
xenstore-rm "$XS_KEY"
exit 0
fi
# Special case for CD
if [ "$ID_TYPE" = "cd" ]; then
if [ "$ID_MEDIA_CDROM" != "1" ]; then
# Hide empty cdrom drive
xenstore-rm "$XS_KEY"
exit 0
fi
MODE=r
fi
xenstore-write "$XS_KEY/desc" "$DESC" "$XS_KEY/size" "$SIZE" "$XS_KEY/mode" "$MODE"

5
common/block_remove Executable file
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@ -0,0 +1,5 @@
#!/bin/sh
NAME=${DEVNAME#/dev/}
XS_KEY="qubes-block-devices/$NAME"
xenstore-rm "$XS_KEY"

19
common/qubes_block.rules Normal file
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@ -0,0 +1,19 @@
# Expose all (except xen-frontend) block devices via xenstore
# Only block devices are interesting
SUBSYSTEM!="block", GOTO="qubes_block_end"
# Skip xen-blkfront devices
ENV{MAJOR}=="202", GOTO="qubes_block_end"
# Skip loop devices
ENV{MAJOR}=="7", GOTO="qubes_block_end"
# Skip device-mapper devices
ENV{MAJOR}=="253", GOTO="qubes_block_end"
ACTION=="add", RUN+="/usr/lib/qubes/block_add_change"
ACTION=="change", RUN+="/usr/lib/qubes/block_add_change"
ACTION=="remove", RUN+="/usr/lib/qubes/block_remove"
LABEL="qubes_block_end"

6
rpm_spec/core-commonvm.spec
View File

@ -78,9 +78,12 @@ cp serial.conf $RPM_BUILD_ROOT/var/lib/qubes/
mkdir -p $RPM_BUILD_ROOT/etc/udev/rules.d
cp qubes_network.rules $RPM_BUILD_ROOT/etc/udev/rules.d/99-qubes_network.rules
cp qubes_memory.rules $RPM_BUILD_ROOT/etc/udev/rules.d/50-qubes_memory.rules
cp qubes_block.rules $RPM_BUILD_ROOT/etc/udev/rules.d/99-qubes_block.rules
mkdir -p $RPM_BUILD_ROOT/usr/lib/qubes/
cp setup_ip $RPM_BUILD_ROOT/usr/lib/qubes/
cp qubes_download_dom0_updates.sh $RPM_BUILD_ROOT/usr/lib/qubes/
cp block_add_change $RPM_BUILD_ROOT/usr/lib/qubes/
cp block_remove $RPM_BUILD_ROOT/usr/lib/qubes/
mkdir -p $RPM_BUILD_ROOT/etc/yum/post-actions
cp qubes_trigger_sync_appmenus.action $RPM_BUILD_ROOT/etc/yum/post-actions/
mkdir -p $RPM_BUILD_ROOT/usr/lib/qubes
@ -243,9 +246,12 @@ rm -rf $RPM_BUILD_ROOT
/usr/bin/xenstore-watch-qubes
/etc/udev/rules.d/99-qubes_network.rules
/etc/udev/rules.d/50-qubes_memory.rules
/etc/udev/rules.d/99-qubes_block.rules
/etc/sysconfig/modules/qubes_core.modules
/usr/lib/qubes/setup_ip
/etc/yum/post-actions/qubes_trigger_sync_appmenus.action
/usr/lib/qubes/qubes_trigger_sync_appmenus.sh
/usr/lib/qubes/qubes_download_dom0_updates.sh
/usr/lib/qubes/block_add_change
/usr/lib/qubes/block_remove
/lib/firmware/updates