i915-sriov.plg

<?xml version='1.0' standalone='yes'?>

<!DOCTYPE PLUGIN [
<!ENTITY name          "i915-sriov">
<!ENTITY author        "zhtengw">
<!ENTITY repo          "unraid-i915-sriov">
<!ENTITY gitbranch     "master">

<!ENTITY pluginver     "2023.04.06">
<!ENTITY minosver      "6.10.0">

<!ENTITY githuburl     "https://raw.githubusercontent.com/&author;/&repo;/&gitbranch;">
<!ENTITY pluginurl     "&githuburl;/&name;.plg">
<!ENTITY pkgurl        "&githuburl;/packages">
<!ENTITY pluginpkg     "unraid-&name;-&pluginver;.txz">
<!ENTITY supporturl    "https://forums.unraid.net/topic/136621-unraid-kernel-with-igpu-sr-iov-support/">

<!-- Defines the persistent (USB) directory where downloaded packages are cached -->
<!ENTITY plugindir     "/boot/config/plugins/&name;/">
<!ENTITY packages      "&plugindir;/packages">
]>

<PLUGIN  name="&name;"
         author="&author;"
         version="&pluginver;"
         pluginURL="&pluginurl;"
         support="&supporturl;"
         min="&minosver;"
         >

<CHANGES>
## i915-sriov
### 2023.04.06
- Make change VFs number work;
- Add option for saving to config file only;
- Add support for unRAID 6.10.x

### 2023.04.01
- Make tools.sh work with multiple Intel Graphic Cards;
- Restore libvirt.php when module download failed;
- Make slot of PCI address to 0 when machine type is q35

### 2023.03.30
- Add plugin page in Settings;
- Fix HW transcode not work for PF on linux-5.19

### 2023.03.28
- Change PCI address of VF to 0000:06:10.0

### 2023.03.21
- Initial unRAID V6.11 release.
</CHANGES>

<FILE Name="&plugindir;/&pluginpkg;" Run="upgradepkg --install-new">
<URL>&pkgurl;/&pluginpkg;</URL>
</FILE>

<!-- Generate the i915-sriov.conf -->
<FILE Run="/bin/bash" Method="install">
<INLINE>
MODCFGDIR="/boot/config/modprobe.d/"
if [ ! -f "${MODCFGDIR}/i915-sriov.conf" ]; then
  mkdir -p &packages;
  # install config to modprobe.d/i915-sriov.conf
  mkdir -p ${MODCFGDIR}
  echo "# disable autoload old i915 module on boot
  blacklist i915 
  options i915 enable_guc=7" > ${MODCFGDIR}/i915-sriov.conf
fi

mkdir -p &plugindir;

#Create settings file if not found
if [ ! -f "&plugindir;/&name;.cfg" ]; then
  echo 'vfnumber=2' > "&plugindir;/&name;.cfg"
fi
  
if [ ! -f /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig ]; then
  cp /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig
else
  cp /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
fi
# Fix PCI address error when iGPU VF assigned to VM
cd / ; patch -p1 &lt;&lt;EOF
--- a/usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php	
+++ b/usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php	
@@ -780,7 +780,15 @@
 					\$strSpecialAddress = '';
 					if (\$gpu_bus == '00' &amp;&amp; \$gpu_slot == '02') {
 						\$strXVGA = '';
-						\$strSpecialAddress = "&lt;address type='pci' domain='0x0000' bus='0x".\$gpu_bus."' slot='0x".\$gpu_slot."' function='0x".\$gpu_function."'/&gt;";
+					    if (\$gpu_function == '00') {
+						    \$strSpecialAddress = "&lt;address type='pci' domain='0x0000' bus='0x".\$gpu_bus."' slot='0x".\$gpu_slot."' function='0x".\$gpu_function."'/&gt;";
+					    } else {
+					        if (\$machine_type == 'q35'){
+						        \$strSpecialAddress = "&lt;address type='pci' domain='0x0000' bus='0x06' slot='0x00' function='0x0'/&gt;";
+					        } else {
+						        \$strSpecialAddress = "&lt;address type='pci' domain='0x0000' bus='0x06' slot='0x10' function='0x0'/&gt;";
+						    }
+					    }
 					}
 
 					\$strRomFile = '';
EOF
</INLINE>
</FILE>

<!-- Download, cache the i915-sriov module match the kernel version -->
<FILE Run="/bin/bash">
<INLINE>

KERNEL_V="$(uname -r)"
PKGNAME="&name;-${KERNEL_V}.txz"

removal() {
  rm -rf &plugindir; /boot/config/modprobe.d/i915-sriov.conf
  # Restore libvirt.php
  if [ -f /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig ]; then
    mv /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
  fi
}

#Download i915-sriov module Package
download() {
mkdir -p &packages;/${KERNEL_V%%-*}
if wget -q -nc --show-progress --progress=bar:force:noscroll -O "&packages;/${KERNEL_V%%-*}/${PKGNAME}" "&pkgurl;/${PKGNAME}" ; then
  wget -q -nc --show-progress --progress=bar:force:noscroll -O "&packages;/${KERNEL_V%%-*}/${PKGNAME}.md5" "&pkgurl;/${PKGNAME}.md5"
  if [ "$(md5sum &packages;/${KERNEL_V%%-*}/${PKGNAME} | awk '{print $1}')" != "$(cat &packages;/${KERNEL_V%%-*}/${PKGNAME}.md5 | awk '{print $1}')" ]; then
    echo
    echo "-----ERROR - ERROR - ERROR - ERROR - ERROR - ERROR - ERROR - ERROR - ERROR------"
    echo "--------------------------------CHECKSUM ERROR!---------------------------------"
    removal
    exit 1
  fi
  echo
  echo "----Successfully downloaded i915-sriov module Package for kernel v${KERNEL_V%%-*}, please wait!----"
else
  echo
  echo "--------Can't download i915-sriov module Package for kernel v${KERNEL_V%%-*}-----------"
  removal
  exit 1
fi
}

#Check if driver is already downloaded
check() {
if ! ls -1 &packages;/${KERNEL_V%%-*}/ | grep -q "${PKGNAME}" ; then
  echo
  echo "+=============================================================================="
  echo "| WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING"
  echo "|"
  echo "| Don't close this window with the red 'X' in the top right corner "
  echo "| until the 'DONE' button is displayed!"
  echo "|"
  echo "| WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING - WARNING"
  echo "+=============================================================================="
  echo
  echo "----------Downloading i915-sriov module Package for kernel v${KERNEL_V%%-*}----------"
  echo "---------This could take some time, please don't close this window!-----------"
  download
else
  wget -q -nc --show-progress --progress=bar:force:noscroll -O "&packages;/${KERNEL_V%%-*}/${PKGNAME}.md5" "&pkgurl;/${PKGNAME}.md5"
  if [ "$(md5sum &packages;/${KERNEL_V%%-*}/${PKGNAME} | awk '{print $1}')" != "$(cat &packages;/${KERNEL_V%%-*}/${PKGNAME}.md5 | awk '{print $1}')" ]; then
    download
  fi
  echo
  echo "---------i915-sriov module Package for kernel v${KERNEL_V%%-*} found locally---------"
fi
}

# Installation
install() {
  /sbin/upgradepkg --install-new "&packages;/${KERNEL_V%%-*}/${PKGNAME}"
}

enable_module() {
  VF_NUM="$(cat &plugindir;/&name;.cfg | grep "vfnumber=" | cut -d '=' -f2 | sed "s/\"//g")"
  modprobe i915 enable_guc=7
  sleep 2
  if [ -f "/sys/devices/pci0000:00/0000:00:02.0/sriov_numvfs" ]; then
    echo ${VF_NUM} &gt; /sys/devices/pci0000:00/0000:00:02.0/sriov_numvfs 
    /usr/local/sbin/vfio-pci
  fi
}

# Script main
check
install
enable_module
 
echo ""
echo "+=============================================================================="
echo "| Installation of i915-sriov module Package for kernel v${KERNEL_V%%-*} successful, reboot to take effect."
echo "+=============================================================================="
echo ""

exit 0
</INLINE>
</FILE>

<!-- The 'remove' script -->
<FILE Run="/bin/bash" Method="remove">
<INLINE>
set -e

echo ""
echo "+=============================================================================="
echo "| Uninstalling packages, removing directories and files"
echo "+=============================================================================="
echo ""
removepkg &pluginpkg;

# Restore libvirt.php
if [ -f /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig ]; then
  mv /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php.orig /usr/local/emhttp/plugins/dynamix.vm.manager/include/libvirt.php
fi

# Define directories and files to remove in a multi-line string
dirs_files_to_remove="
&plugindir;
/boot/config/modprobe.d/i915-sriov.conf
"

echo "Starting directory and file removal\n"

# Read through package removal lines, uninstalling each
while IFS= read -r line
do
  # If line is empty, skip to the next iteration
  [ -z "$line" ] &amp;&amp; continue

  echo "Deleting $line"
  # rm -rf "/path/to/prefix*" * expansion fails due to quotes, wrap in bash exec
  bash -c "rm -rf $line"
done &lt; &lt;(printf '%s\n' "$dirs_files_to_remove")

printf "\nDirectory and file removal done"

echo ""
echo "+=============================================================================="
echo "| &name; has been uninstalled, please reboot your server."
echo "+=============================================================================="
echo ""

exit 0
</INLINE>
</FILE>

</PLUGIN>