git: bc194dc41d8e - stable/13 - LinuxKPI: add linux/pm_qos.h

From: Bjoern A. Zeeb <bz_at_FreeBSD.org>
Date: Sun, 20 Feb 2022 18:15:34 UTC
The branch stable/13 has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=bc194dc41d8ed8ba65cb80461f97c470388c41f4

commit bc194dc41d8ed8ba65cb80461f97c470388c41f4
Author:     Bjoern A. Zeeb <bz@FreeBSD.org>
AuthorDate: 2022-02-09 12:07:44 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2022-02-20 16:23:32 +0000

    LinuxKPI: add linux/pm_qos.h
    
    Add a linux/pm_qos.h with three dummy functions and a struct as needed
    by a driver and drm-kmod [1] in main with no intend to support this for
    the moment.
    
    Submitted by:   wulf (drm-kmod bits) [1]
    Sponsored by:   The FreeBSD Foundation (drm-kmod requested updates)
    Reviewed by:    hselasky (earlier version), wulf
    Differential Revision: https://reviews.freebsd.org/D34234
    
    (cherry picked from commit fa6d3522b56d482e77740e325b59019e2ffc347e)
---
 sys/compat/linuxkpi/common/include/linux/pm_qos.h | 53 +++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/pm_qos.h b/sys/compat/linuxkpi/common/include/linux/pm_qos.h
new file mode 100644
index 000000000000..6b9d48c5be6e
--- /dev/null
+++ b/sys/compat/linuxkpi/common/include/linux/pm_qos.h
@@ -0,0 +1,53 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2022 Bjoern A. Zeeb
+ *
+ * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_LINUXKPI_LINUX_PM_QOS_H
+#define	_LINUXKPI_LINUX_PM_QOS_H
+
+#define	PM_QOS_DEFAULT_VALUE	(-1)
+
+struct pm_qos_request {
+};
+
+static inline void
+cpu_latency_qos_add_request(struct pm_qos_request *qos, int x)
+{
+}
+
+static inline void
+cpu_latency_qos_update_request(struct pm_qos_request *qos, int x)
+{
+}
+
+static inline void
+cpu_latency_qos_remove_request(struct pm_qos_request *qos)
+{
+}
+
+#endif	/* _LINUXKPI_LINUX_PM_QOS_H */