diff options
Diffstat (limited to 'system/mkinitfs/0002-initramfs-init-add-disk-and-network-detection-on-s39.patch')
| -rw-r--r-- | system/mkinitfs/0002-initramfs-init-add-disk-and-network-detection-on-s39.patch | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/system/mkinitfs/0002-initramfs-init-add-disk-and-network-detection-on-s39.patch b/system/mkinitfs/0002-initramfs-init-add-disk-and-network-detection-on-s39.patch new file mode 100644 index 000000000..aef8293a1 --- /dev/null +++ b/system/mkinitfs/0002-initramfs-init-add-disk-and-network-detection-on-s39.patch @@ -0,0 +1,97 @@ +From 7f77e0b383330265be27f551b2e384a6a8648afa Mon Sep 17 00:00:00 2001 +From: "Tuan M. Hoang" <tmhoang@flatglobe.org> +Date: Mon, 14 May 2018 10:14:29 -0500 +Subject: [PATCH 2/3] initramfs-init: add disk and network detection on s390x + +- Allow including dasd and qeth modules when building initramfs +- Add detection for dasd and qeth devices from cmdline in init +--- + Makefile | 7 ++++++- + features.d/dasd_mod.modules | 1 + + features.d/qeth.modules | 1 + + initramfs-init.in | 21 ++++++++++++++++++++- + 4 files changed, 28 insertions(+), 2 deletions(-) + create mode 100644 features.d/dasd_mod.modules + create mode 100644 features.d/qeth.modules + +diff --git a/Makefile b/Makefile +index fc01d1a..40dc284 100644 +--- a/Makefile ++++ b/Makefile +@@ -48,7 +48,9 @@ CONF_FILES := mkinitfs.conf \ + features.d/xfs.files \ + features.d/xfs.modules \ + features.d/zfs.files \ +- features.d/zfs.modules ++ features.d/zfs.modules \ ++ features.d/qeth.modules \ ++ features.d/dasd_mod.modules + + SCRIPTS := mkinitfs bootchartd initramfs-init + IN_FILES := $(addsuffix .in,$(SCRIPTS)) +@@ -71,6 +73,9 @@ SED_REPLACE := -e 's:@VERSION@:$(FULL_VERSION):g' \ + -e 's:@datadir@:$(datadir):g' + + DEFAULT_FEATURES ?= ata base cdrom ext2 ext4 keymap kms mmc raid scsi usb virtio ++ifeq ($(shell uname -m), s390x) ++DEFAULT_FEATURES += qeth dasd_mod ++endif + + + all: $(SBIN_FILES) $(SCRIPTS) $(CONF_FILES) +diff --git a/features.d/dasd_mod.modules b/features.d/dasd_mod.modules +new file mode 100644 +index 0000000..ce843c5 +--- /dev/null ++++ b/features.d/dasd_mod.modules +@@ -0,0 +1 @@ ++kernel/drivers/s390/block/dasd* +diff --git a/features.d/qeth.modules b/features.d/qeth.modules +new file mode 100644 +index 0000000..bb5c320 +--- /dev/null ++++ b/features.d/qeth.modules +@@ -0,0 +1 @@ ++kernel/drivers/s390/net/qeth* +diff --git a/initramfs-init.in b/initramfs-init.in +index bf2d9bd..933c8c1 100755 +--- a/initramfs-init.in ++++ b/initramfs-init.in +@@ -269,7 +269,7 @@ set -- $(cat /proc/cmdline) + myopts="alpine_dev autodetect autoraid chart cryptroot cryptdm cryptheader cryptoffset + cryptdiscards debug_init dma init_args keep_apk_new modules ovl_dev pkgs quiet + root_size root usbdelay ip alpine_repo apkovl alpine_start splash blacklist +- overlaytmpfs rootfstype rootflags nbd resume" ++ overlaytmpfs rootfstype rootflags nbd resume s390x_net dasd" + + for opt; do + case "$opt" in +@@ -345,6 +345,25 @@ mount -t devpts -o gid=5,mode=0620,noexec,nosuid devpts /dev/pts + [ -d /dev/shm ] || mkdir /dev/shm + mount -t tmpfs -o nodev,nosuid,noexec shm /dev/shm + ++if [ -n "$dasd" ]; then ++ for mod in dasd_mod dasd_eckd_mod dasd_fba_mod; do ++ modprobe $mod ++ done ++ for _dasd in $(echo "$dasd" | tr ',' ' ' ); do ++ echo 1 > /sys/bus/ccw/devices/"${_dasd%%:*}"/online ++ done ++fi ++ ++if [ "${s390x_net%%,*}" = "qeth_l2" ]; then ++ for mod in qeth qeth_l2 qeth_l3; do ++ modprobe $mod ++ done ++ _channel="${s390x_net#*,}" ++ echo "$_channel" > /sys/bus/ccwgroup/drivers/qeth/group ++ echo 1 > /sys/bus/ccwgroup/drivers/qeth/"${_channel%%,*}"/layer2 ++ echo 1 > /sys/bus/ccwgroup/drivers/qeth/"${_channel%%,*}"/online ++fi ++ + # load available drivers to get access to modloop media + ebegin "Loading boot drivers" + +-- +2.17.0 + |