Initial commit

meta-phosphor/recipes-connectivity/jsnbd/jsnbd/state_hook

@@ -0,0 +1,84 @@
+#!/bin/sh
+
+if [ $# -ne 2 ]
+then
+    echo "usage: $0 <start|stop> <config>" >&2
+    exit 1
+fi
+
+action=$1
+config=$2
+
+gadget_name=mass-storage
+gadget_dir=/sys/kernel/config/usb_gadget/$gadget_name
+
+case "$config" in
+0)
+    nbd_device=/dev/nbd0
+    ;;
+1)
+    nbd_device=/dev/nbd1
+    ;;
+*)
+    echo "invalid config $config" >&2
+    exit 1
+    ;;
+esac
+
+set -e
+
+GADGET_BASE=/sys/kernel/config/usb_gadget
+
+which_dev()
+{
+       in_use="$(cat $GADGET_BASE/*/UDC)"
+       cd /sys/class/udc
+       for dev in *; do
+               case "$in_use" in
+                       *"$dev"*) ;;
+                       *) echo "$dev"; return 0;;
+               esac
+       done
+       return 1
+}
+
+case "$action" in
+start)
+    mkdir -p $gadget_dir
+    (
+    cd $gadget_dir
+    # http://www.linux-usb.org/usb.ids
+    #    |-> 1d6b  Linux Foundation
+    #          |-> 0104  Multifunction Composite Gadget
+    echo "0x1d6b" > idVendor
+    echo "0x0104" > idProduct
+    mkdir -p strings/0x409
+    echo "OpenBMC" > strings/0x409/manufacturer
+    echo "Virtual Media Device" > strings/0x409/product
+    mkdir -p configs/c.1/strings/0x409
+    echo "config 1" > configs/c.1/strings/0x409/configuration
+    mkdir -p functions/mass_storage.usb0
+    ln -s functions/mass_storage.usb0 configs/c.1
+    echo 1 > functions/mass_storage.usb0/lun.0/removable
+    echo 1 > functions/mass_storage.usb0/lun.0/ro
+    echo 0 > functions/mass_storage.usb0/lun.0/cdrom
+    echo $nbd_device > functions/mass_storage.usb0/lun.0/file
+    device=$(which_dev)
+    echo "$device" > UDC
+    )
+    ;;
+stop)
+    (
+    cd $gadget_dir
+    rm configs/c.1/mass_storage.usb0
+    rmdir functions/mass_storage.usb0
+    rmdir configs/c.1/strings/0x409
+    rmdir configs/c.1
+    rmdir strings/0x409
+    )
+    rmdir $gadget_dir
+    ;;
+*)
+    echo "invalid action $action" >&2
+    exit 1
+esac

meta-phosphor/recipes-connectivity/jsnbd/jsnbd_git.bb

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+SUMMARY = "Network Block Device Proxy"
+HOMEPAGE = "https://github.com/openbmc/jsnbd"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://LICENCE;md5=3b83ef96387f14655fc854ddc3c6bd57"
+DEPENDS += "json-c"
+DEPENDS += "udev"
+SRCREV = "9b322cb38172985e67d755660167befe8b650ba6"
+PV = "1.0+git${SRCPV}"
+PR = "r1"
+
+SRC_URI = " \
+    git://github.com/openbmc/jsnbd;branch=master;protocol=https \
+    file://state_hook \
+    "
+
+S = "${WORKDIR}/git"
+
+inherit meson pkgconfig
+
+do_install:append() {
+    install -d ${D}${sysconfdir}/nbd-proxy/
+    install -m 0644 ${NBD_PROXY_CONFIG_JSON} ${D}${sysconfdir}/nbd-proxy/config.json
+    install -m 0755 ${WORKDIR}/state_hook ${D}${sysconfdir}/nbd-proxy/state
+}
+
+FILES:${PN} += "${sysconfdir}/nbd-proxy/state"
+
+RDEPENDS:${PN} += "nbd-client"
+
+NBD_PROXY_CONFIG_JSON ??= "${S}/config.sample.json"