Merge pull request #179582 from catap/prl-tools

nixos/modules/virtualisation/parallels-guest.nix

@@ -34,7 +34,8 @@ in
       package = mkOption {
         type = types.nullOr types.package;
         default = config.boot.kernelPackages.prl-tools;
-        defaultText = literalExpression "config.boot.kernelPackages.prl-tools";
+        defaultText = "config.boot.kernelPackages.prl-tools";
+        example = literalExpression "config.boot.kernelPackages.prl-tools";
         description = ''
           Defines which package to use for prl-tools. Override to change the version.
         '';
@@ -44,27 +45,6 @@ in
   };
 
   config = mkIf config.hardware.parallels.enable {
-    services.xserver = {
-      drivers = singleton
-        { name = "prlvideo"; modules = [ prl-tools ]; };
-
-      screenSection = ''
-        Option "NoMTRR"
-      '';
-
-      config = ''
-        Section "InputClass"
-          Identifier "prlmouse"
-          MatchIsPointer "on"
-          MatchTag "prlmouse"
-          Driver "prlmouse"
-        EndSection
-      '';
-    };
-
-    hardware.opengl.package = prl-tools;
-    hardware.opengl.package32 = pkgs.pkgsi686Linux.linuxPackages.prl-tools.override { libsOnly = true; kernel = null; };
-    hardware.opengl.setLdLibraryPath = true;
 
     services.udev.packages = [ prl-tools ];
 
@@ -72,37 +52,44 @@ in
 
     boot.extraModulePackages = [ prl-tools ];
 
-    boot.kernelModules = [ "prl_tg" "prl_eth" "prl_fs" "prl_fs_freeze" ];
+    boot.kernelModules = [ "prl_fs" "prl_fs_freeze" "prl_tg" ]
+      ++ optional (pkgs.stdenv.hostPlatform.system == "aarch64-linux") "prl_notifier";
 
     services.timesyncd.enable = false;
 
     systemd.services.prltoolsd = {
-      description = "Parallels Tools' service";
+      description = "Parallels Tools Service";
       wantedBy = [ "multi-user.target" ];
+      path = [ prl-tools ];
       serviceConfig = {
         ExecStart = "${prl-tools}/bin/prltoolsd -f";
         PIDFile = "/var/run/prltoolsd.pid";
+        WorkingDirectory = "${prl-tools}/bin";
       };
     };
 
     systemd.services.prlfsmountd = mkIf config.hardware.parallels.autoMountShares {
-      description = "Parallels Shared Folders Daemon";
+      description = "Parallels Guest File System Sharing Tool";
       wantedBy = [ "multi-user.target" ];
+      path = [ prl-tools ];
       serviceConfig = rec {
         ExecStart = "${prl-tools}/sbin/prlfsmountd ${PIDFile}";
         ExecStartPre = "${pkgs.coreutils}/bin/mkdir -p /media";
         ExecStopPost = "${prl-tools}/sbin/prlfsmountd -u";
         PIDFile = "/run/prlfsmountd.pid";
+        WorkingDirectory = "${prl-tools}/bin";
       };
     };
 
     systemd.services.prlshprint = {
-      description = "Parallels Shared Printer Tool";
+      description = "Parallels Printing Tool";
       wantedBy = [ "multi-user.target" ];
       bindsTo = [ "cups.service" ];
+      path = [ prl-tools ];
       serviceConfig = {
         Type = "forking";
         ExecStart = "${prl-tools}/bin/prlshprint";
+        WorkingDirectory = "${prl-tools}/bin";
       };
     };
 
@@ -110,43 +97,47 @@ in
       prlcc = {
         description = "Parallels Control Center";
         wantedBy = [ "graphical-session.target" ];
+        path = [ prl-tools ];
         serviceConfig = {
           ExecStart = "${prl-tools}/bin/prlcc";
+          WorkingDirectory = "${prl-tools}/bin";
         };
       };
       prldnd = {
-        description = "Parallels Control Center";
+        description = "Parallels Drag And Drop Tool";
         wantedBy = [ "graphical-session.target" ];
+        path = [ prl-tools ];
         serviceConfig = {
           ExecStart = "${prl-tools}/bin/prldnd";
-        };
+          WorkingDirectory = "${prl-tools}/bin";
-      };
-      prl_wmouse_d  = {
-        description = "Parallels Walking Mouse Daemon";
-        wantedBy = [ "graphical-session.target" ];
-        serviceConfig = {
-          ExecStart = "${prl-tools}/bin/prl_wmouse_d";
         };
       };
       prlcp = {
-        description = "Parallels CopyPaste Tool";
+        description = "Parallels Copy Paste Tool";
         wantedBy = [ "graphical-session.target" ];
+        path = [ prl-tools ];
         serviceConfig = {
           ExecStart = "${prl-tools}/bin/prlcp";
+          Restart = "always";
+          WorkingDirectory = "${prl-tools}/bin";
         };
       };
       prlsga = {
         description = "Parallels Shared Guest Applications Tool";
         wantedBy = [ "graphical-session.target" ];
+        path = [ prl-tools ];
         serviceConfig = {
           ExecStart = "${prl-tools}/bin/prlsga";
+          WorkingDirectory = "${prl-tools}/bin";
         };
       };
       prlshprof = {
         description = "Parallels Shared Profile Tool";
         wantedBy = [ "graphical-session.target" ];
+        path = [ prl-tools ];
         serviceConfig = {
           ExecStart = "${prl-tools}/bin/prlshprof";
+          WorkingDirectory = "${prl-tools}/bin";
         };
       };
     };

pkgs/os-specific/linux/prl-tools/default.nix

@@ -1,50 +1,59 @@
 { stdenv, lib, makeWrapper, p7zip
-, gawk, util-linux, xorg, glib, dbus-glib, zlib
+, gawk, util-linux, xorg, glib, dbus-glib, zlib, bbe, bash, timetrap, netcat, cups
 , kernel ? null, libsOnly ? false
-, undmg, fetchurl
+, fetchurl, undmg, perl, autoPatchelfHook
 }:
 
 assert (!libsOnly) -> kernel != null;
+assert lib.elem stdenv.hostPlatform.system [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
 
-let xorgFullVer = lib.getVersion xorg.xorgserver;
-    xorgVer = lib.versions.majorMinor xorgFullVer;
-    x64 = if stdenv.hostPlatform.system == "x86_64-linux" then true
-          else if stdenv.hostPlatform.system == "i686-linux" then false
-          else throw "Parallels Tools for Linux only support {x86-64,i686}-linux targets";
-in
 stdenv.mkDerivation rec {
-  version = "${prl_major}.2.1-41615";
+  version = "17.1.4-51567";
-  prl_major = "12";
   pname = "prl-tools";
 
   # We download the full distribution to extract prl-tools-lin.iso from
   # => ${dmg}/Parallels\ Desktop.app/Contents/Resources/Tools/prl-tools-lin.iso
   src = fetchurl {
-    url =  "https://download.parallels.com/desktop/v${prl_major}/${version}/ParallelsDesktop-${version}.dmg";
+    url =  "https://download.parallels.com/desktop/v${lib.versions.major version}/${version}/ParallelsDesktop-${version}.dmg";
-    sha256 = "1jwzwif69qlhmfky9kigjaxpxfj0lyrl1iyrpqy4iwqvajdgbbym";
+    sha256 = "sha256-gjLxQOTFuVghv1Bj+zfbNW97q1IN2rurSnPQi13gzRA=";
   };
 
   hardeningDisable = [ "pic" "format" ];
 
-  # also maybe python2 to generate xorg.conf
+  nativeBuildInputs = [ p7zip undmg perl bbe autoPatchelfHook ]
-  nativeBuildInputs = [ p7zip undmg ] ++ lib.optionals (!libsOnly) [ makeWrapper ] ++ kernel.moduleBuildDependencies;
+    ++ lib.optionals (!libsOnly) [ makeWrapper ] ++ kernel.moduleBuildDependencies;
+
+  buildInputs = with xorg; [ libXrandr libXext libX11 libXcomposite libXinerama ]
+    ++ lib.optionals (!libsOnly) [ libXi glib dbus-glib zlib ];
+
+  runtimeDependencies = [ glib xorg.libXrandr ];
 
   inherit libsOnly;
 
   unpackPhase = ''
     undmg "${src}"
-
     export sourceRoot=prl-tools-build
-    7z x "Parallels Desktop.app/Contents/Resources/Tools/prl-tools-lin.iso" -o$sourceRoot
+    7z x "Parallels Desktop.app/Contents/Resources/Tools/prl-tools-lin${lib.optionalString stdenv.isAarch64 "-arm"}.iso" -o$sourceRoot
     if test -z "$libsOnly"; then
       ( cd $sourceRoot/kmods; tar -xaf prl_mod.tar.gz )
     fi
-    ( cd $sourceRoot/tools; tar -xaf prltools${if x64 then ".x64" else ""}.tar.gz )
   '';
 
-  kernelVersion = if libsOnly then "" else lib.getName kernel.name;
+  patches = lib.optionals (lib.versionAtLeast kernel.version "5.18") [ ./prl-tools.patch ];
-  kernelDir = if libsOnly then "" else "${kernel.dev}/lib/modules/${kernelVersion}";
+
-  scriptPath = lib.concatStringsSep ":" (lib.optionals (!libsOnly) [ "${util-linux}/bin" "${gawk}/bin" ]);
+  kernelVersion = lib.optionalString (!libsOnly) kernel.modDirVersion;
+  kernelDir = lib.optionalString (!libsOnly) "${kernel.dev}/lib/modules/${kernelVersion}";
+
+  libPath = lib.concatStringsSep ":" [ "${glib.out}/lib" "${xorg.libXrandr}/lib" ];
+
+  scriptPath = lib.concatStringsSep ":" (lib.optionals (!libsOnly) [
+    "${util-linux}/bin"
+    "${gawk}/bin"
+    "${bash}/bin"
+    "${timetrap}/bin"
+    "${netcat}/bin"
+    "${cups}/sbin"
+  ]);
 
   buildPhase = ''
     if test -z "$libsOnly"; then
@@ -57,112 +66,80 @@ stdenv.mkDerivation rec {
           SRC=$kernelDir/build \
           KVER=$kernelVersion
       )
-
-      # Xorg config (maybe would be useful for other versions)
-      #python2 installer/xserver-config.py xorg ${xorgVer} /dev/null parallels.conf
     fi
   '';
 
-  libPath = with xorg;
-            lib.makeLibraryPath ([ stdenv.cc.cc libXrandr libXext libX11 libXcomposite libXinerama ]
-            ++ lib.optionals (!libsOnly) [ libXi glib dbus-glib zlib ]);
-
-
   installPhase = ''
     if test -z "$libsOnly"; then
       ( # kernel modules
         cd kmods
         mkdir -p $out/lib/modules/${kernelVersion}/extra
-        cp prl_eth/pvmnet/prl_eth.ko $out/lib/modules/${kernelVersion}/extra
-        cp prl_tg/Toolgate/Guest/Linux/prl_tg/prl_tg.ko $out/lib/modules/${kernelVersion}/extra
         cp prl_fs/SharedFolders/Guest/Linux/prl_fs/prl_fs.ko $out/lib/modules/${kernelVersion}/extra
         cp prl_fs_freeze/Snapshot/Guest/Linux/prl_freeze/prl_fs_freeze.ko $out/lib/modules/${kernelVersion}/extra
+        cp prl_tg/Toolgate/Guest/Linux/prl_tg/prl_tg.ko $out/lib/modules/${kernelVersion}/extra
+        ${lib.optionalString stdenv.isAarch64
+        "cp prl_notifier/Installation/lnx/prl_notifier/prl_notifier.ko $out/lib/modules/${kernelVersion}/extra"}
       )
     fi
 
     ( # tools
-      cd tools
+      cd tools/tools${if stdenv.isAarch64 then "-arm64" else if stdenv.isx86_64 then "64" else "32"}
       mkdir -p $out/lib
 
       if test -z "$libsOnly"; then
+        # prltoolsd contains hardcoded /bin/bash path
+        # we're lucky because it uses only -c command
+        # => replace to /bin/sh
+        bbe -e "s:/bin/bash:/bin/sh\x00\x00:" -o bin/prltoolsd.tmp bin/prltoolsd
+        rm -f bin/prltoolsd
+        mv bin/prltoolsd.tmp bin/prltoolsd
+
         # install binaries
         for i in bin/* sbin/prl_nettool sbin/prl_snapshot; do
+          # also patch binaries to replace /usr/bin/XXX to XXX
+          # here a two possible cases:
+          # 1. it is uses as null terminated string and should be truncated by null;
+          # 2. it is uses inside shell script and should be truncated by space.
+          for p in bin/* sbin/prl_nettool sbin/prl_snapshot sbin/prlfsmountd; do
+            p=$(basename $p)
+            bbe -e "s:/usr/bin/$p\x00:./$p\x00\x00\x00\x00\x00\x00\x00\x00:" -o $i.tmp $i
+            bbe -e "s:/usr/sbin/$p\x00:./$p\x00\x00\x00\x00\x00\x00\x00\x00 :" -o $i $i.tmp
+            bbe -e "s:/usr/bin/$p:$p         :" -o $i.tmp $i
+            bbe -e "s:/usr/sbin/$p:$p          :" -o $i $i.tmp
+          done
+
           install -Dm755 $i $out/$i
         done
-        # other binaries
+
-        for i in xorg.7.1/usr/bin/*; do
+        install -Dm755 ../../tools/prlfsmountd.sh $out/sbin/prlfsmountd
-          cp $i $out/bin
+        for f in $out/bin/* $out/sbin/*; do
+          wrapProgram $f \
+            --prefix LD_LIBRARY_PATH ':' "$libPath" \
+            --prefix PATH ':' "$scriptPath"
         done
 
-        for i in $out/bin/* $out/sbin/*; do
+        for i in lib/libPrl*.0.0; do
-          patchelf \
-            --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-            --set-rpath "$out/lib:$libPath" \
-            $i || true
-        done
-
-        mkdir -p $out/bin
-        install -Dm755 ../installer/prlfsmountd.sh $out/sbin/prlfsmountd
-        wrapProgram $out/sbin/prlfsmountd \
-          --prefix PATH ':' "$scriptPath"
-
-        for i in lib/*.a; do
           cp $i $out/lib
+          ln -s $out/$i $out/''${i%.0.0}
         done
 
-        for i in xorg.7.1/usr/lib/libprl_wmouse_watcher.*; do
+        mkdir -p $out/share/man/man8
-          cp $i $out/lib
+        install -Dm644 ../mount.prl_fs.8 $out/share/man/man8
-        done
 
-        mkdir -p $out/lib/udev/rules.d
+        substituteInPlace ../99prltoolsd-hibernate \
-        for i in *.rules; do
+          --replace "/bin/bash" "${bash}/bin/bash"
-          sed 's,/bin/bash,${stdenv.shell},g' $i > $out/lib/udev/rules.d/$i
-        done
 
-        (
+        mkdir -p $out/etc/pm/sleep.d
-          cd xorg.${xorgVer}
+        install -Dm644 ../99prltoolsd-hibernate $out/etc/pm/sleep.d
-          # Install the X modules.
-          (
-            cd x-server/modules
-            for i in */*; do
-              install -Dm755 $i $out/lib/xorg/modules/$i
-            done
-          )
-          (
-            cd usr/lib
-            libGLXname=$(echo libglx.so*)
-            install -Dm755 $libGLXname $out/lib/xorg/modules/extensions/$libGLXname
-            ln -s $libGLXname $out/lib/xorg/modules/extensions/libglx.so
-            ln -s $libGLXname $out/lib/xorg/modules/extensions/libglx.so.1
-          )
-        )
       fi
-
-      for i in xorg.7.1/usr/lib/libGL.*; do
-        cp $i $out/lib
-      done
-
-      cd $out
-      find -name \*.so\* -type f -exec \
-        patchelf --set-rpath "$out/lib:$libPath" {} \;
-
-      cd lib
-      libGLname=$(echo libGL.so*)
-      ln -s $libGLname libGL.so
-      ln -s $libGLname libGL.so.1
     )
   '';
 
-  dontStrip = true;
-  dontPatchELF = true;
-
   meta = with lib; {
     description = "Parallels Tools for Linux guests";
     homepage = "https://parallels.com";
-    platforms = [ "i686-linux" "x86_64-linux" ];
+    platforms = platforms.linux;
     license = licenses.unfree;
-    # I was making this package blindly and requesting testing from the real user,
+    maintainers = with maintainers; [ catap wegank ];
-    # so I can't even test it by myself and won't provide future updates.
-    maintainers = with maintainers; [ abbradar ];
   };
 }

pkgs/os-specific/linux/prl-tools/prl-tools.patch

@@ -0,0 +1,143 @@
+diff -puNr prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg.c prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg.c
+--- prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg.c
++++ prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg.c
+@@ -382,7 +382,7 @@ static int prl_tg_initialize(struct tg_d
+ 	}
+ #endif
+ 	/* Set DMA ability. Only lower 4G is possible to address */
+-	rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
++	rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64));
+ 	if (rc) {
+ 		printk(KERN_ERR "no usable DMA configuration\n");
+ 		goto err_out;
+diff -puNr prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg_call.c prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg_call.c
+--- prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg_call.c
++++ prl-tools-build/kmods/prl_tg/Toolgate/Guest/Linux/prl_tg/prltg_call.c
+@@ -76,7 +76,7 @@ static int tg_req_map_internal(struct TG
+ 		uple->p[i] = vmalloc_to_page(mem);
+ 		page_cache_get(uple->p[i]);
+ 
+-		dst->RequestPages[i] = pci_map_page(pdev, uple->p[i], 0, PAGE_SIZE, DMA_BIDIRECTIONAL) >> PAGE_SHIFT;
++		dst->RequestPages[i] = dma_map_page(&pdev->dev, uple->p[i], 0, PAGE_SIZE, DMA_BIDIRECTIONAL) >> PAGE_SHIFT;
+ 		if (!dst->RequestPages[i]) {
+ 			page_cache_release(uple->p[i]);
+ 			goto err;
+@@ -88,7 +88,7 @@ static int tg_req_map_internal(struct TG
+ 
+ err:
+ 	for (i = 0; i < uple->count; i++) {
+-		pci_unmap_page(pdev, dst->RequestPages[i] << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_unmap_page(&pdev->dev, dst->RequestPages[i] << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 		page_cache_release(uple->p[i]);
+ 	}
+ 	kfree(uple);
+@@ -129,7 +129,7 @@ static TG_PAGED_BUFFER *tg_req_map_user_
+ 	pfn = (u64 *)dbuf - 1;
+ 
+ 	for (; npages > 0; npages--, mapped++) {
+-		dma_addr_t addr = pci_map_page(pdev, uple->p[npages-1], 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_addr_t addr = dma_map_page(&pdev->dev, uple->p[npages-1], 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 
+ 		if (!addr) {
+ 			DPRINTK("[3] %d < %d	\n", got, npages);
+@@ -144,7 +144,7 @@ static TG_PAGED_BUFFER *tg_req_map_user_
+ 
+ err_unmap:
+ 	for (i = 0; i < mapped; i++, pfn++)
+-		pci_unmap_page(pdev, *pfn << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_unmap_page(&pdev->dev, *pfn << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 
+ err_put:
+ 	for(i = 0; i < got; i++)
+@@ -176,7 +176,7 @@ static TG_PAGED_BUFFER *tg_req_map_kerne
+ 			goto err;
+ 		}
+ 
+-		addr = pci_map_page(pdev, page, 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		addr = dma_map_page(&pdev->dev, page, 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 		if (!addr) {
+ 			DPRINTK("[2] va:%p can't map\n", buffer);
+ 			goto err;
+@@ -189,7 +189,7 @@ static TG_PAGED_BUFFER *tg_req_map_kerne
+ 
+ err:
+ 	for (; i > 0; i--, pfn--)
+-		pci_unmap_page(pdev, *pfn << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_unmap_page(&pdev->dev, *pfn << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 
+ 	return ERR_PTR(-ENOMEM);
+ }
+@@ -203,7 +203,7 @@ static inline int tg_req_unmap_internal(
+ 			dst->RequestSize + ~PAGE_MASK) >> PAGE_SHIFT;
+ 
+ 	for (i = 0; i < count; i++)
+-		pci_unmap_page(req->dev->pci_dev, dst->RequestPages[i] << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_unmap_page(&req->dev->pci_dev->dev, dst->RequestPages[i] << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 
+ 	return count;
+ }
+@@ -264,7 +264,7 @@ static void tg_req_unmap_pages(struct TG
+ 
+ 		pfn = (u64 *)(dbuf + 1);
+ 		for (; npages > 0; npages--, pfn++)
+-			pci_unmap_page(pdev, (*pfn) << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
++			dma_unmap_page(&pdev->dev, (*pfn) << PAGE_SHIFT, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 
+ 		dbuf = (TG_PAGED_BUFFER *)pfn;
+ 	}
+@@ -374,7 +374,7 @@ static int tg_req_submit(struct TG_PENDI
+ 	 * also no any offset inside page needed.
+ 	 */
+ 	req->pg = vmalloc_to_page(dst);
+-	req->phys = pci_map_page(dev->pci_dev, vmalloc_to_page(dst), 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
++	req->phys = dma_map_page(&dev->pci_dev->dev, vmalloc_to_page(dst), 0, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 	if (!req->phys) {
+ 		DPRINTK("Can not allocate memory for DMA mapping\n");
+ 		goto out;
+@@ -405,7 +405,7 @@ static int tg_req_submit(struct TG_PENDI
+ out:
+ 	if (ret != TG_STATUS_PENDING) {
+ 		page_cache_release(req->pg);
+-		pci_unmap_page(dev->pci_dev, req->phys, PAGE_SIZE, DMA_BIDIRECTIONAL);
++		dma_unmap_page(&dev->pci_dev->dev, req->phys, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 	}
+ 
+ 	DPRINTK("EXIT\n");
+@@ -460,7 +460,7 @@ out_wait:
+ 	wait_for_completion(&req->waiting);
+ out:
+ 	page_cache_release(req->pg);
+-	pci_unmap_page(dev->pci_dev, req->phys, PAGE_SIZE, DMA_BIDIRECTIONAL);
++	dma_unmap_page(&dev->pci_dev->dev, req->phys, PAGE_SIZE, DMA_BIDIRECTIONAL);
+ 	DPRINTK("EXIT\n");
+ 	return ret;
+ }
+diff -puNr prl-tools-build/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c prl-tools-build/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c
+--- prl-tools-build/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c
++++ prl-tools-build/kmods/prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c
+@@ -16,6 +16,7 @@
+ #include <linux/pagemap.h>
+ #include <linux/namei.h>
+ #include <linux/cred.h>
++#include <linux/writeback.h>
+ 
+ #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 40)) && \
+     (LINUX_VERSION_CODE < KERNEL_VERSION(3, 0, 0))
+@@ -57,7 +58,7 @@ unsigned long *prlfs_dfl( struct dentry
+ }
+ 
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 9, 0)
+-#define prl_uaccess_kernel() uaccess_kernel()
++#define prl_uaccess_kernel() (false)
+ #else
+ #define prl_uaccess_kernel() segment_eq(get_fs(), KERNEL_DS)
+ #endif
+@@ -954,7 +955,7 @@ static const struct address_space_operat
+ 	.writepage		= prlfs_writepage,
+ 	.write_begin    = simple_write_begin,
+ 	.write_end      = prlfs_write_end,
+-	.set_page_dirty = __set_page_dirty_nobuffers,
++	.dirty_folio    = filemap_dirty_folio,
+ };
+ 
+ 

pkgs/top-level/linux-kernels.nix

@@ -431,8 +431,7 @@ in {
 
     phc-intel = if lib.versionAtLeast kernel.version "4.10" then callPackage ../os-specific/linux/phc-intel { } else null;
 
-    # Disable for kernels 4.15 and above due to compatibility issues
+    prl-tools = callPackage ../os-specific/linux/prl-tools { };
-    prl-tools = if lib.versionOlder kernel.version "4.15" then callPackage ../os-specific/linux/prl-tools { } else null;
 
     sch_cake = callPackage ../os-specific/linux/sch_cake { };