[passthrough] New module for managing hardware passthrough for QEMU

1 files changed, 13 insertions, 7 deletions

diff --git a/modules-available/minilinux/inc/linuxbootentryhook.inc.php b/modules-available/minilinux/inc/linuxbootentryhook.inc.php
index e57336f0..9e10bd6e 100644
--- a/modules-available/minilinux/inc/linuxbootentryhook.inc.php
+++ b/modules-available/minilinux/inc/linuxbootentryhook.inc.php
@@ -15,7 +15,7 @@ class LinuxBootEntryHook extends BootEntryHook
 		return Dictionary::translateFileModule('minilinux', 'module', 'module_name', true);
 	}
 
-	public function extraFields()
+	public function extraFields(): array
 	{
 		/* For translate module:
 		 * Dictionary::translate('ipxe-kcl-extra');
@@ -32,7 +32,7 @@ class LinuxBootEntryHook extends BootEntryHook
 	/**
 	 * @return HookEntryGroup[]
 	 */
-	protected function groupsInternal()
+	protected function groupsInternal(): array
 	{
 		/*
 		 * Dictionary::translate('default_boot_entry');
@@ -76,7 +76,7 @@ class LinuxBootEntryHook extends BootEntryHook
 	 * @param $localData
 	 * @return BootEntry the actual boot entry instance for given entry, false if invalid id
 	 */
-	public function getBootEntryInternal($localData)
+	public function getBootEntryInternal($localData): BootEntry
 	{
 		$id = $localData['id'];
 		if ($id === 'default') { // Special case
@@ -125,7 +125,7 @@ class LinuxBootEntryHook extends BootEntryHook
 		return BootEntry::newStandardBootEntry($bios, $efi, $arch);
 	}
 
-	private function generateExecData($effectiveId, $remoteData, $localData)
+	private function generateExecData($effectiveId, $remoteData, $localData): ExecData
 	{
 		$exec = new ExecData();
 		// Defaults
@@ -146,9 +146,7 @@ class LinuxBootEntryHook extends BootEntryHook
 		if (!empty($localData['debug'])) {
 			// Debug boot enabled
 			$exec->commandLine = IPxe::modifyCommandLine($exec->commandLine,
-				isset($remoteData['debugCommandLineModifier'])
-					? $remoteData['debugCommandLineModifier']
-					: '-vga -quiet -splash -loglevel loglevel=7'
+				$remoteData['debugCommandLineModifier'] ?? '-vga -quiet -splash -loglevel loglevel=7'
 			);
 		}
 		// disable all CPU sidechannel attack mitigations etc.
@@ -156,6 +154,14 @@ class LinuxBootEntryHook extends BootEntryHook
 			$exec->commandLine = IPxe::modifyCommandLine($exec->commandLine,
 				'noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off mitigations=off');
 		}
+		// GVT, PCI Pass-thru etc.
+		if (Module::isAvailable('statistics')) {
+			$hwextra = HardwareInfo::getKclModifications();
+			if (!empty($hwextra)) {
+				$exec->commandLine = IPxe::modifyCommandLine($exec->commandLine, $hwextra);
+			}
+		}
+		// User-supplied modifications
 		if (!empty($localData['kcl-extra'])) {
 			$exec->commandLine = IPxe::modifyCommandLine($exec->commandLine, $localData['kcl-extra']);
 		}