b12f/nixpkgs
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Merge pull request #179582 from catap/prl-tools

Browse source
This commit is contained in:
Sandro 2022-07-17 01:41:46 +02:00 committed by GitHub
parent 5fed5fe917 f41fc22111
commit 04a5c30245
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
4 changed files with 238 additions and 128 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

61
nixos/modules/virtualisation/parallels-guest.nix
View file

@ -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 = "${prl-tools}/bin/prldnd";
};
};
prl_wmouse_d = {
description = "Parallels Walking Mouse Daemon";
wantedBy = [ "graphical-session.target" ];
serviceConfig = {
ExecStart = "${prl-tools}/bin/prl_wmouse_d";
WorkingDirectory = "${prl-tools}/bin";
};
};
prlcp = {
description = "Parallels CopyPaste Tool";
description = "Parallels Copy Paste Tool";
wantedBy = [ "graphical-session.target" ];
path = [ prl-tools ];
serviceConfig = {
ExecStart = "${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";
};
};
};

159
pkgs/os-specific/linux/prl-tools/default.nix
View file

@ -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";
prl_major = "12";
version = "17.1.4-51567";
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";
sha256 = "1jwzwif69qlhmfky9kigjaxpxfj0lyrl1iyrpqy4iwqvajdgbbym";
url = "https://download.parallels.com/desktop/v${lib.versions.major version}/${version}/ParallelsDesktop-${version}.dmg";
sha256 = "sha256-gjLxQOTFuVghv1Bj+zfbNW97q1IN2rurSnPQi13gzRA=";
};
hardeningDisable = [ "pic" "format" ];
# also maybe python2 to generate xorg.conf
nativeBuildInputs = [ p7zip undmg ] ++ lib.optionals (!libsOnly) [ makeWrapper ] ++ kernel.moduleBuildDependencies;
nativeBuildInputs = [ p7zip undmg perl bbe autoPatchelfHook ]
++ lib.optionals (!libsOnly) [ makeWrapper ] ++ kernel.moduleBuildDependencies;
buildInputs = with xorg; [ libXrandr libXext libX11 libXcomposite libXinerama ]
++ lib.optionals (!libsOnly) [ libXi glib dbus-glib zlib ];
runtimeDependencies = [ glib xorg.libXrandr ];
inherit libsOnly;
unpackPhase = ''
undmg "${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;
kernelDir = if libsOnly then "" else "${kernel.dev}/lib/modules/${kernelVersion}";
scriptPath = lib.concatStringsSep ":" (lib.optionals (!libsOnly) [ "${util-linux}/bin" "${gawk}/bin" ]);
patches = lib.optionals (lib.versionAtLeast kernel.version "5.18") [ ./prl-tools.patch ];
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
cp $i $out/bin
install -Dm755 ../../tools/prlfsmountd.sh $out/sbin/prlfsmountd
for f in $out/bin/* $out/sbin/*; do
wrapProgram $f \
--prefix LD_LIBRARY_PATH ':' "$libPath" \
--prefix PATH ':' "$scriptPath"
done
for i in $out/bin/* $out/sbin/*; do
patchelf \
--interpreter "$(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
for i in lib/libPrl*.0.0; 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
cp $i $out/lib
done
mkdir -p $out/share/man/man8
install -Dm644 ../mount.prl_fs.8 $out/share/man/man8
mkdir -p $out/lib/udev/rules.d
for i in *.rules; do
sed 's,/bin/bash,${stdenv.shell},g' $i > $out/lib/udev/rules.d/$i
done
substituteInPlace ../99prltoolsd-hibernate \
--replace "/bin/bash" "${bash}/bin/bash"
(
cd xorg.${xorgVer}
# 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
)
)
mkdir -p $out/etc/pm/sleep.d
install -Dm644 ../99prltoolsd-hibernate $out/etc/pm/sleep.d
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,
# so I can't even test it by myself and won't provide future updates.
maintainers = with maintainers; [ abbradar ];
maintainers = with maintainers; [ catap wegank ];
};
}

143
pkgs/os-specific/linux/prl-tools/prl-tools.patch Normal file
View file

@ -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,
};

3
pkgs/top-level/linux-kernels.nix
View file

@ -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 = if lib.versionOlder kernel.version "4.15" then callPackage ../os-specific/linux/prl-tools { } else null;
prl-tools = callPackage ../os-specific/linux/prl-tools { };
sch_cake = callPackage ../os-specific/linux/sch_cake { };