git: f9c8b5880d2c - main - LinuxKPI: Add linux/capability.h header

The branch main has been updated by wulf:

URL: https://cgit.FreeBSD.org/src/commit/?id=f9c8b5880d2ceef22a02611efa01e96ac71da42b

commit f9c8b5880d2ceef22a02611efa01e96ac71da42b
Author:     Vladimir Kondratyev <wulf@FreeBSD.org>
AuthorDate: 2021-12-08 21:04:31 +0000
Commit:     Vladimir Kondratyev <wulf@FreeBSD.org>
CommitDate: 2022-01-10 19:49:38 +0000

    LinuxKPI: Add linux/capability.h header
    
    Required by drm-kmod.
    
    Obtained from:  DragonflyBSD
    MFC after:      1 week
    Reviewed by:    hselasky, manu
    
    Differential Revision:  https://reviews.freebsd.org/D33559
---
 .../linuxkpi/common/include/linux/capability.h     | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/capability.h b/sys/compat/linuxkpi/common/include/linux/capability.h
new file mode 100644
index 000000000000..ce656255549b
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/capability.h
@@ -0,0 +1,51 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2015 Rimvydas Jasinskas
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice unmodified, this list of conditions, and the following
+ *    disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * linux/capability.h
+ *
+ * Simple capable() priv_check helper
+ */
+
+#ifndef _LINUX_CAPABILITY_H
+#define	_LINUX_CAPABILITY_H
+
+#include <sys/types.h>
+#include <sys/proc.h>
+#include <sys/priv.h>
+
+#define	CAP_SYS_ADMIN		PRIV_DRIVER
+#define	CAP_SYS_NICE		PRIV_SCHED_SETPRIORITY
+
+static inline bool
+capable(const int tryme)
+{
+	return (priv_check(curthread, tryme) == 0);
+}
+
+#endif /* _LINUX_CAPABILITY_H */