projects / projects / geninitrd.git / blame
| Commit | Line | Data |
|---|---|---|
| dea07ca3 ER |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # geninitrd mod: suspend | |
| 6e49b0b1 | 4 | USE_SUSPEND=${USE_SUSPEND:-yes} |
| dea07ca3 ER |
5 | |
| 6 | # resume device | |
| 7 | resume_dev="" | |
| 8 | ||
| dea07ca3 ER |
9 | # setup geninitrd module |
| 10 | # @access public | |
| 11 | setup_mod_suspend() { | |
| 12 | # XXX this needs tuxonice loaded first | |
| 13 | if is_yes "$USE_SUSPEND" && is_yes "$USE_TUXONICE"; then | |
| 14 | warn "Tuxonice and mainline suspend are exclusive!" | |
| 15 | fi | |
| 347ce740 ER |
16 | |
| 17 | resume=$(find_tool $initrd_dir/resume /usr/${_lib}/suspend/resume /usr/sbin/resume) | |
| 18 | ||
| 6e49b0b1 | 19 | if [ ! -x "$resume" ] || [ ! -f /etc/suspend.conf ]; then |
| 347ce740 ER |
20 | USE_SUSPEND=no |
| 21 | fi | |
| dea07ca3 ER |
22 | } |
| 23 | ||
| 24 | # find modules for for suspend | |
| 25 | # @access public | |
| 26 | find_modules_suspend() { | |
| dea07ca3 ER |
27 | resume_dev="$(awk '/^resume device =/ { print $4 } ' /etc/suspend.conf)" |
| 28 | ||
| 29 | local vgvolumes=$VGVOLUMES | |
| 30 | find_modules_for_devpath $resume_dev | |
| 31 | ||
| 32 | if [ "$VGVOLUMES" != "$vgvolumes" ]; then | |
| 33 | # save our VG to be able to differenciate between rootfs VG | |
| 34 | SUSPENDVG=$VGVOLUMES | |
| 35 | VGVOLUMES=$vgvolumes | |
| 36 | debug "suspend device is on LVM" | |
| 37 | fi | |
| 38 | } | |
| 39 | ||
| 40 | # generate initrd fragment | |
| 41 | # @access public | |
| 42 | initrd_gen_suspend() { | |
| 1b481849 ER |
43 | if ! is_yes "$USE_SUSPEND"; then |
| 44 | return | |
| 45 | fi | |
| 46 | ||
| 94b9755a ER |
47 | debug "Setting up suspend..." |
| 48 | ||
| dea07ca3 ER |
49 | mknod $DESTDIR/dev/snapshot c 10 231 |
| 50 | mkdir -p $DESTDIR${resume_dev%/*} | |
| 51 | inst $resume_dev $resume_dev | |
| 52 | ||
| 53 | inst /etc/suspend.conf /etc/suspend.conf | |
| 54 | if [ -x /usr/${_lib}/suspend/resume ]; then | |
| 55 | inst_exec /usr/${_lib}/suspend/resume /bin/resume | |
| 56 | else | |
| 57 | inst_exec /usr/sbin/resume /bin/resume | |
| 58 | fi | |
| 59 | ||
| 60 | add_linuxrc <<-'EOF' | |
| 61 | resume=no | |
| 62 | for arg in $CMDLINE; do | |
| 63 | if [ "${arg##resume=}" != "${arg}" ]; then | |
| 64 | resume=yes | |
| 65 | fi | |
| 66 | done | |
| 67 | if [ "$resume" = "yes" ]; then | |
| 68 | resume | |
| 69 | fi | |
| 70 | EOF | |
| 71 | } |