Initial import from vendor-sys branch of openzfs

1 files changed, 83 insertions, 0 deletions

diff --git a/sys/contrib/openzfs/include/sys/zfs_project.h b/sys/contrib/openzfs/include/sys/zfs_project.h
new file mode 100644
index 000000000000..81a238905225
--- /dev/null
+++ b/sys/contrib/openzfs/include/sys/zfs_project.h
@@ -0,0 +1,83 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 2017, Intel Corporation. All rights reserved.
+ */
+
+#ifndef	_SYS_ZFS_PROJECT_H
+#define	_SYS_ZFS_PROJECT_H
+
+#ifndef _KERNEL
+#ifndef _SYS_MOUNT_H
+/* XXX: some hack to avoid include sys/mount.h */
+#define	_SYS_MOUNT_H
+#endif
+#endif
+
+#include <sys/vfs.h>
+
+#ifdef FS_PROJINHERIT_FL
+#define	ZFS_PROJINHERIT_FL	FS_PROJINHERIT_FL
+#else
+#define	ZFS_PROJINHERIT_FL	0x20000000
+#endif
+
+#ifdef FS_IOC_FSGETXATTR
+typedef struct fsxattr zfsxattr_t;
+
+#define	ZFS_IOC_FSGETXATTR	FS_IOC_FSGETXATTR
+#define	ZFS_IOC_FSSETXATTR	FS_IOC_FSSETXATTR
+#else
+struct zfsxattr {
+	uint32_t	fsx_xflags;	/* xflags field value (get/set) */
+	uint32_t	fsx_extsize;	/* extsize field value (get/set) */
+	uint32_t	fsx_nextents;	/* nextents field value (get)   */
+	uint32_t	fsx_projid;	/* project identifier (get/set) */
+	uint32_t	fsx_cowextsize;
+	unsigned char	fsx_pad[8];
+};
+typedef struct zfsxattr zfsxattr_t;
+
+#define	ZFS_IOC_FSGETXATTR	_IOR('X', 31, zfsxattr_t)
+#define	ZFS_IOC_FSSETXATTR	_IOW('X', 32, zfsxattr_t)
+#endif
+
+#define	ZFS_DEFAULT_PROJID	(0ULL)
+/*
+ * It is NOT ondisk project ID value. Just means either the object has
+ * no project ID or the operation does not touch project ID attribute.
+ */
+#define	ZFS_INVALID_PROJID	(-1ULL)
+
+static inline boolean_t
+zpl_is_valid_projid(uint32_t projid)
+{
+	/*
+	 * zfsxattr::fsx_projid is 32-bits, when convert to uint64_t,
+	 * the higher 32-bits will be set as zero, so cannot directly
+	 * compare with ZFS_INVALID_PROJID (-1ULL)
+	 */
+	if ((uint32_t)ZFS_INVALID_PROJID == projid)
+		return (B_FALSE);
+	return (B_TRUE);
+}
+
+#endif	/* _SYS_ZFS_PROJECT_H */