From 382493dad22415ca9ef97e599c9da6548cf811f5 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Tue, 15 Mar 2016 02:03:37 -0400
Subject: Add hibernation support

---
(limited to 'hosts')

diff --git a/hosts/alsvid200 b/hosts/alsvid200
index b9bc4f8..c704578 100644
--- a/hosts/alsvid200
+++ b/hosts/alsvid200
@@ -5,10 +5,10 @@ part_script='
 	,+,83,*
 	'
 
-#	fs            mp       type    options              dump    pass
+#	fs           mp       type    options              dump    pass
 fstab='
-	@DEV1@        /        ext4    errors=remount-ro    0       1
-	/var/swap0    swap     swap    defaults,pri=100     0       0
+	@DEV1@       /        ext4    errors=remount-ro    0       1
+	/var/swap    swap     swap    defaults,pri=100     0       0
 	'
 
 mirror='http://httpredir.debian.org/debian'
@@ -95,12 +95,33 @@ postinst_pkgs='
 do_postinst()
 {
 	# Make swap file and set vm.swappiness.
-	in_target fallocate -l 4GiB /var/swap0
-	in_target chmod 0600 /var/swap0
-	in_target mkswap /var/swap0
+	in_target fallocate -l 12GiB /var/swap || return 1
+	in_target chmod 0600 /var/swap || return 1
+	in_target mkswap /var/swap || return 1
 	printf 'vm.swappiness = 10\n' \
 		>"${target}/etc/sysctl.d/vm-swappiness.conf"
 
+	# Hibernation.
+	mkdir -p "${target}/boot/grub/" || return 1
+	root="UUID=$(blkid -o value -s UUID "$dev}1")"
+	offset="$(in_target filefrag -v /var/swap | sed -n '
+		/physical_offset:/{
+			n;
+			s/^[ 0-9.]*:[ 0-9.]*: *\([0-9][0-9]*\)...*$/\1/;
+			p;
+			q;
+		};')"
+	cmdline="root=${root} ro quiet resume=${root} resume_offset=${offset}"
+	cat >"${target}/boot/grub/libreboot_grub.cfg" <<-EOF
+		set root=(ahci0,msdos1)
+		linux /vmlinuz ${cmdline}
+		initrd /initrd.img
+		boot
+		EOF
+
+	# Disable mpd service.
+	in_target update-rc.d mpd disable
+
 	# Add "deb-src" line and backports.
 	cat >"${target}/etc/apt/sources.list" <<-EOF
 		deb http://httpredir.debian.org/debian jessie main
--
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