sh: add igb sr-iov vfio helper

1 files changed, 83 insertions, 0 deletions

diff --git a/sh/vfio_igb_mgr.sh b/sh/vfio_igb_mgr.sh
new file mode 100755
index 0000000..5e7d021
--- /dev/null
+++ b/sh/vfio_igb_mgr.sh
@@ -0,0 +1,83 @@
+#!/bin/bash
+
+# Intel Corporation I350 Ethernet Controller SR-IOV VFIO helper
+# Udev rules (set your PCI numbers):
+
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:00.0", NAME="igb_sr0"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:00.1", NAME="igb_sr1"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:10.0", NAME="igb_vf0.0"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:10.4", NAME="igb_vf0.1"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:11.0", NAME="igb_vf0.2"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:11.4", NAME="igb_vf0.3"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:12.0", NAME="igb_vf0.4"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:12.4", NAME="igb_vf0.5"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:13.0", NAME="igb_vf0.6"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:10.1", NAME="igb_vf1.0"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:10.5", NAME="igb_vf1.1"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:11.1", NAME="igb_vf1.2"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:11.5", NAME="igb_vf1.3"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:12.1", NAME="igb_vf1.4"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:12.5", NAME="igb_vf1.5"
+#ACTION=="add", SUBSYSTEM=="net", KERNELS=="0000:04:13.1", NAME="igb_vf1.6"
+
+MSG="used|free|add <pciid>|del <pciid>"
+
+oops()
+{
+    [ $? != 0 ] && echo "oops..." && exit 1 
+}
+
+if [ -z "$1" ]; then
+  echo "Usage: $0 ${MSG}"
+  exit 0
+fi
+
+VENDOR="8086 1520"
+
+case $1 in
+  ( used )
+    vf_pci=($(ls -la /sys/bus/pci/drivers/vfio-pci \
+      | awk '{ if ($9 ~ /^[0-9]+:[0-9]+:[0-9]+\.[0-9]+$/) print $9 }')
+          ${vf_pci})
+    for iface in ${vf_pci[@]}; do
+      echo ${iface}
+    done
+    ;;
+
+  ( free )
+    free_ifs=$(ip -br l | awk '/igb_vf/ {print $1}')
+    for iface in ${free_ifs[@]}; do
+      pci_num=$(ethtool -i $iface | awk '/bus-info/ {print $NF}')
+      echo "${iface} -> ${pci_num}" 
+    done
+    ;;
+
+  ( add )
+    if [ -z "$2" ]; then
+      echo "PCI bus number required"
+      exit 1
+    fi
+    echo ${2} > /sys/bus/pci/devices/${2}/driver/unbind
+    oops
+    echo ${2} > /sys/bus/pci/drivers/vfio-pci/bind
+    oops
+    vfio_id=$(ls -t1 /dev/vfio | head -1)
+    echo "Fix perms to /dev/vfio/${vfio_id}"
+    ;;
+
+  ( del )
+    if [ -z "$2" ]; then
+      echo "PCI bus number required"
+      exit 1
+    fi
+    echo ${2} > /sys/bus/pci/devices/${2}/driver/unbind
+    oops
+    echo ${2} > /sys/bus/pci/drivers/igbvf/bind
+    oops
+    ;;
+
+  ( * )
+    echo "Usage: $0 ${MSG}" 1>&2
+    exit 1
+    ;;
+esac