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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/sync_file.h
parenta674dc57d88d43c2e8e90a6084d5d2c988e0402c (diff)
downloadydb-61b3971447e473726d6cdb23fc298e457b4d973c.tar.gz
add sanitizers dependencies
Diffstat (limited to 'contrib/libs/linux-headers/linux/sync_file.h')
-rw-r--r--contrib/libs/linux-headers/linux/sync_file.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/libs/linux-headers/linux/sync_file.h b/contrib/libs/linux-headers/linux/sync_file.h
new file mode 100644
index 0000000000..48fd099f92
--- /dev/null
+++ b/contrib/libs/linux-headers/linux/sync_file.h
@@ -0,0 +1,91 @@
+/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
+/*
+ * Copyright (C) 2012 Google, Inc.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_SYNC_H
+#define _LINUX_SYNC_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/**
+ * struct sync_merge_data - SYNC_IOC_MERGE: merge two fences
+ * @name: name of new fence
+ * @fd2: file descriptor of second fence
+ * @fence: returns the fd of the new fence to userspace
+ * @flags: merge_data flags
+ * @pad: padding for 64-bit alignment, should always be zero
+ *
+ * Creates a new fence containing copies of the sync_pts in both
+ * the calling fd and sync_merge_data.fd2. Returns the new fence's
+ * fd in sync_merge_data.fence
+ */
+struct sync_merge_data {
+ char name[32];
+ __s32 fd2;
+ __s32 fence;
+ __u32 flags;
+ __u32 pad;
+};
+
+/**
+ * struct sync_fence_info - detailed fence information
+ * @obj_name: name of parent sync_timeline
+ * @driver_name: name of driver implementing the parent
+ * @status: status of the fence 0:active 1:signaled <0:error
+ * @flags: fence_info flags
+ * @timestamp_ns: timestamp of status change in nanoseconds
+ */
+struct sync_fence_info {
+ char obj_name[32];
+ char driver_name[32];
+ __s32 status;
+ __u32 flags;
+ __u64 timestamp_ns;
+};
+
+/**
+ * struct sync_file_info - SYNC_IOC_FILE_INFO: get detailed information on a sync_file
+ * @name: name of fence
+ * @status: status of fence. 1: signaled 0:active <0:error
+ * @flags: sync_file_info flags
+ * @num_fences number of fences in the sync_file
+ * @pad: padding for 64-bit alignment, should always be zero
+ * @sync_fence_info: pointer to array of struct &sync_fence_info with all
+ * fences in the sync_file
+ *
+ * Takes a struct sync_file_info. If num_fences is 0, the field is updated
+ * with the actual number of fences. If num_fences is > 0, the system will
+ * use the pointer provided on sync_fence_info to return up to num_fences of
+ * struct sync_fence_info, with detailed fence information.
+ */
+struct sync_file_info {
+ char name[32];
+ __s32 status;
+ __u32 flags;
+ __u32 num_fences;
+ __u32 pad;
+
+ __u64 sync_fence_info;
+};
+
+#define SYNC_IOC_MAGIC '>'
+
+/*
+ * Opcodes 0, 1 and 2 were burned during a API change to avoid users of the
+ * old API to get weird errors when trying to handling sync_files. The API
+ * change happened during the de-stage of the Sync Framework when there was
+ * no upstream users available.
+ */
+
+#define SYNC_IOC_MERGE _IOWR(SYNC_IOC_MAGIC, 3, struct sync_merge_data)
+#define SYNC_IOC_FILE_INFO _IOWR(SYNC_IOC_MAGIC, 4, struct sync_file_info)
+
+#endif /* _LINUX_SYNC_H */