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authornkozlovskiy <nmk@ydb.tech>2023-10-11 19:11:46 +0300
committernkozlovskiy <nmk@ydb.tech>2023-10-11 19:33:28 +0300
commit61b3971447e473726d6cdb23fc298e457b4d973c (patch)
treee2a2a864bb7717f7ae6138f6a3194a254dd2c7bb /contrib/libs/linux-headers/linux/mmtimer.h
parenta674dc57d88d43c2e8e90a6084d5d2c988e0402c (diff)
downloadydb-61b3971447e473726d6cdb23fc298e457b4d973c.tar.gz
add sanitizers dependencies
Diffstat (limited to 'contrib/libs/linux-headers/linux/mmtimer.h')
-rw-r--r--contrib/libs/linux-headers/linux/mmtimer.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/linux/mmtimer.h b/contrib/libs/linux-headers/linux/mmtimer.h
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+++ b/contrib/libs/linux-headers/linux/mmtimer.h
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+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Intel Multimedia Timer device interface
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (c) 2001-2004 Silicon Graphics, Inc. All rights reserved.
+ *
+ * This file should define an interface compatible with the IA-PC Multimedia
+ * Timers Draft Specification (rev. 0.97) from Intel. Note that some
+ * hardware may not be able to safely export its registers to userspace,
+ * so the ioctl interface should support all necessary functionality.
+ *
+ * 11/01/01 - jbarnes - initial revision
+ * 9/10/04 - Christoph Lameter - remove interrupt support
+ * 9/17/04 - jbarnes - remove test program, move some #defines to the driver
+ */
+
+#ifndef _LINUX_MMTIMER_H
+#define _LINUX_MMTIMER_H
+
+/*
+ * Breakdown of the ioctl's available. An 'optional' next to the command
+ * indicates that supporting this command is optional, while 'required'
+ * commands must be implemented if conformance is desired.
+ *
+ * MMTIMER_GETOFFSET - optional
+ * Should return the offset (relative to the start of the page where the
+ * registers are mapped) for the counter in question.
+ *
+ * MMTIMER_GETRES - required
+ * The resolution of the clock in femto (10^-15) seconds
+ *
+ * MMTIMER_GETFREQ - required
+ * Frequency of the clock in Hz
+ *
+ * MMTIMER_GETBITS - required
+ * Number of bits in the clock's counter
+ *
+ * MMTIMER_MMAPAVAIL - required
+ * Returns nonzero if the registers can be mmap'd into userspace, 0 otherwise
+ *
+ * MMTIMER_GETCOUNTER - required
+ * Gets the current value in the counter
+ */
+#define MMTIMER_IOCTL_BASE 'm'
+
+#define MMTIMER_GETOFFSET _IO(MMTIMER_IOCTL_BASE, 0)
+#define MMTIMER_GETRES _IOR(MMTIMER_IOCTL_BASE, 1, unsigned long)
+#define MMTIMER_GETFREQ _IOR(MMTIMER_IOCTL_BASE, 2, unsigned long)
+#define MMTIMER_GETBITS _IO(MMTIMER_IOCTL_BASE, 4)
+#define MMTIMER_MMAPAVAIL _IO(MMTIMER_IOCTL_BASE, 6)
+#define MMTIMER_GETCOUNTER _IOR(MMTIMER_IOCTL_BASE, 9, unsigned long)
+
+#endif /* _LINUX_MMTIMER_H */