add /etc/sysconfig/rshim for setting $OPTIONS

Also update rshim.service to source this file and get the $OPTIONS
environment variable.

Resolves: rhbz#1960060

rshim-sysconfig.patch

@@ -0,0 +1,24 @@
+From 37b1523b39d7fb0d58d57b8f58c943055b1e83e2 Mon Sep 17 00:00:00 2001
+From: Jeffrey Bastian <jbastian@redhat.com>
+Date: Tue, 6 Apr 2021 14:24:16 -0500
+Subject: [PATCH] add rshim sysconfig file for setting
+
+---
+ rshim.service | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/rshim.service b/rshim.service
+index 84f0e2f49eba..7539133f869c 100644
+--- a/rshim.service
++++ b/rshim.service
+@@ -9,6 +9,7 @@ After=network.target
+ [Service]
+ Restart=always
+ Type=forking
++EnvironmentFile=-/etc/sysconfig/rshim
+ ExecStart=-/usr/sbin/rshim $OPTIONS
+ KillMode=control-group
+ 
+-- 
+2.26.3
+

rshim.spec

@@ -4,13 +4,14 @@
 
 Name: rshim
 Version: 2.0.4
-Release: 5%{?dist}
+Release: 6%{?dist}
 Summary: User-space driver for Mellanox BlueField SoC
 
 License: GPLv2
 
 URL: https://github.com/mellanox/rshim-user-space
 Source0: https://github.com/Mellanox/rshim-user-space/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz
+Patch0: rshim-sysconfig.patch
 
 BuildRequires: gcc, autoconf, automake, make
 BuildRequires: pkgconfig(libpci), pkgconfig(libusb-1.0), pkgconfig(fuse)
@@ -27,6 +28,7 @@ via the virtual console or network interface.
 
 %prep
 %setup -q -n %{name}-%{version}
+%patch0 -p1 -b .sysconfig
 
 %build
 ./bootstrap.sh
@@ -36,6 +38,12 @@ via the virtual console or network interface.
 %install
 %make_install
 
+mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig
+cat > $RPM_BUILD_ROOT%{_sysconfdir}/sysconfig/rshim <<EOF
+# Command-line options for rshim
+OPTIONS=""
+EOF
+
 %post
 %systemd_post rshim.service
 
@@ -48,11 +56,16 @@ via the virtual console or network interface.
 %files
 %license LICENSE
 %doc README.md
+%config(noreplace) %{_sysconfdir}/sysconfig/rshim
 %{_sbindir}/rshim
 %{_unitdir}/rshim.service
 %{_mandir}/man8/rshim.8.gz
 
 %changelog
+* Tue Apr 20 2021 Jeff Bastian <jbastian@redhat.com> - 2.0.4-6
+- add sysconfig/rshim file and update rshim.service to source it
+- Resolves: rhbz#1960060
+
 * Fri Apr 16 2021 Mohan Boddu <mboddu@redhat.com> - 2.0.4-5
 - Rebuilt for RHEL 9 BETA on Apr 15th 2021. Related: rhbz#1947937