GNU bug report logs - #73642
[PATCH] gnu: Add kvmfr-linux-module.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Oleg Pykhalov <go.wigust <at> gmail.com>
To: guix-patches <at> gnu.org
Cc: Oleg Pykhalov <go.wigust <at> gmail.com>
Subject: [PATCH] gnu: Add kvmfr-linux-module.
Date: Sat,  5 Oct 2024 17:07:01 +0300

* gnu/packages/patches/kvmfr-fix-build.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add patch.
* gnu/packages/video.scm (kvmfr-linux-module): New variable.

Change-Id: I113c1c8e1f6c9ebd541083b620ea0e098d56d588
---
 gnu/local.mk                                  |  3 +-
 .../kvmfr-linux-module-fix-build.patch        | 41 +++++++++++++++++++
 gnu/packages/video.scm                        | 28 +++++++++++++
 3 files changed, 71 insertions(+), 1 deletion(-)
 create mode 100644 gnu/packages/patches/kvmfr-linux-module-fix-build.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 2adf196a87..2808e301b5 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -17,7 +17,7 @@
 # Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe <at> gmail.com>
 # Copyright © 2017, 2018, 2019 Gábor Boskovits <boskovits <at> gmail.com>
 # Copyright © 2018 Amirouche Boubekki <amirouche <at> hypermove.net>
-# Copyright © 2018, 2019, 2020, 2021, 2022 Oleg Pykhalov <go.wigust <at> gmail.com>
+# Copyright © 2018, 2019, 2020, 2021, 2022, 2024 Oleg Pykhalov <go.wigust <at> gmail.com>
 # Copyright © 2018 Stefan Stefanović <stefanx2ovic <at> gmail.com>
 # Copyright © 2018, 2020, 2021, 2022, 2023, 2024 Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
 # Copyright © 2019, 2020, 2021, 2022, 2024 Guillaume Le Vaillant <glv <at> posteo.net>
@@ -1639,6 +1639,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/kodi-set-libcurl-ssl-parameters.patch		\
   %D%/packages/patches/kodi-mesa-eglchromium.patch		\
   %D%/packages/patches/krita-bump-sip-abi-version-to-12.8.patch	\
+  %D%/packages/patches/kvmfr-linux-module-fix-build.patch	\
   %D%/packages/patches/kwin-unwrap-executable-name-for-dot-desktop-search.patch\
   %D%/packages/patches/laby-make-install.patch			\
   %D%/packages/patches/laby-use-tmpdir-from-runtime.patch	\
diff --git a/gnu/packages/patches/kvmfr-linux-module-fix-build.patch b/gnu/packages/patches/kvmfr-linux-module-fix-build.patch
new file mode 100644
index 0000000000..49c1a713a5
--- /dev/null
+++ b/gnu/packages/patches/kvmfr-linux-module-fix-build.patch
@@ -0,0 +1,41 @@
+Copied from
+https://github.com/gnif/LookingGlass/issues/1075#issuecomment-1546422678 and
+https://github.com/gnif/LookingGlass/issues/1134 with adjustments for current
+kvmfr source version.
+
+From c4950a830fbe2ca27337793aa227c86f5c044f46 Mon Sep 17 00:00:00 2001
+From: Oleg Pykhalov <go.wigust <at> gmail.com>
+Date: Sat, 5 Oct 2024 16:11:45 +0300
+Subject: [PATCH] Fix build
+
+---
+ module/kvmfr.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/module/kvmfr.c b/module/kvmfr.c
+index 121aae5..4c386f9 100644
+--- a/module/kvmfr.c
++++ b/module/kvmfr.c
+@@ -30,6 +30,7 @@
+ #include <linux/highmem.h>
+ #include <linux/memremap.h>
+ #include <linux/version.h>
++#include <linux/vmalloc.h>
+ 
+ #include <asm/io.h>
+ 
+@@ -539,7 +540,11 @@ static int __init kvmfr_module_init(void)
+   if (kvmfr->major < 0)
+     goto out_free;
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0)
+   kvmfr->pClass = class_create(THIS_MODULE, KVMFR_DEV_NAME);
++#else
++  kvmfr->pClass = class_create(KVMFR_DEV_NAME);
++#endif
+   if (IS_ERR(kvmfr->pClass))
+     goto out_unreg;
+ 
+-- 
+2.41.0
+
diff --git a/gnu/packages/video.scm b/gnu/packages/video.scm
index 1d2ab5fbeb..86a30c2cca 100644
--- a/gnu/packages/video.scm
+++ b/gnu/packages/video.scm
@@ -104,6 +104,7 @@ (define-module (gnu packages video)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
   #:use-module (guix build-system glib-or-gtk)
+  #:use-module (guix build-system linux-module)
   #:use-module (guix build-system meson)
   #:use-module (guix build-system perl)
   #:use-module (guix build-system pyproject)
@@ -4349,6 +4350,33 @@ (define-public obs-looking-glass
 your host privately.")
     (license license:gpl2+)))
 
+(define-public kvmfr-linux-module
+  (package
+    (name "kvmfr-linux-module")
+    (version "B6")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "https://looking-glass.io/artifact/" version
+                                  "/source"))
+              (file-name (string-append name "-" version ".tar.gz"))
+              (sha256
+               (base32
+                "15d7wwbzfw28yqbz451b6n33ixy50vv8acyzi8gig1mq5a8gzdib"))
+              (patches (search-patches "kvmfr-linux-module-fix-build.patch"))))
+    (build-system linux-module-build-system)
+    (inputs (list bash-minimal))
+    (arguments
+     (list
+      #:tests? #f ;there are none.
+      #:source-directory "module"))
+    (home-page "https://looking-glass.io/")
+    (synopsis
+     "Linux Kernel module to interface with Looking Glass")
+    (description
+     "This kernel module implements a basic interface to the IVSHMEM device for
+Looking Glass.")
+    (license license:gpl2+)))
+
 (define-public obs-move-transition
   (package
     (name "obs-move-transition")

base-commit: 73ec844389e91cb0f5a2647070516fc8d19d8730
-- 
2.41.0

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