--- /dev/null
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2013 Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ *
+ * Author: Nathan Rutman <nathan.rutman@sun.com>
+ *
+ * Kernel <-> userspace communication routines.
+ * The definitions below are used in the kernel and userspace.
+ */
+
+#ifndef __LUSTRE_KERNELCOMM_H__
+#define __LUSTRE_KERNELCOMM_H__
+
+/* For declarations shared with userspace */
+#include "uapi_kernelcomm.h"
+
+/* prototype for callback function on kuc groups */
+typedef int (*libcfs_kkuc_cb_t)(void *data, void *cb_arg);
+
+/* Kernel methods */
+int libcfs_kkuc_msg_put(struct file *fp, void *payload);
+int libcfs_kkuc_group_put(int group, void *payload);
+int libcfs_kkuc_group_add(struct file *fp, int uid, unsigned int group,
+ void *data);
+int libcfs_kkuc_group_rem(int uid, int group, void **pdata);
+int libcfs_kkuc_group_foreach(int group, libcfs_kkuc_cb_t cb_func,
+ void *cb_arg);
+
+#endif /* __LUSTRE_KERNELCOMM_H__ */
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
- * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
- *
- * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
- * CA 95054 USA or visit www.sun.com if you need additional information or
- * have any questions.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
*
* Author: Nathan Rutman <nathan.rutman@sun.com>
*
- * libcfs/include/libcfs/libcfs_kernelcomm.h
- *
* Kernel <-> userspace communication routines.
* The definitions below are used in the kernel and userspace.
- *
*/
-#ifndef __LIBCFS_KERNELCOMM_H__
-#define __LIBCFS_KERNELCOMM_H__
+#ifndef __UAPI_KERNELCOMM_H__
+#define __UAPI_KERNELCOMM_H__
-#ifndef __LIBCFS_LIBCFS_H__
-#error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
-#endif
+#include <linux/types.h>
/* KUC message header.
* All current and future KUC messages should use this header.
#define KUC_CHANGELOG_MSG_MAXSIZE (sizeof(struct kuc_hdr)+CR_MAXSIZE)
#define KUC_MAGIC 0x191C /*Lustre9etLinC */
-#define KUC_FL_BLOCK 0x01 /* Wait for send */
/* kuc_msgtype values are defined in each transport */
enum kuc_transport_type {
KUC_MSG_SHUTDOWN = 1,
};
-/* prototype for callback function on kuc groups */
-typedef int (*libcfs_kkuc_cb_t)(void *data, void *cb_arg);
-
/* KUC Broadcast Groups. This determines which userspace process hears which
* messages. Mutliple transports may be used within a group, or multiple
* groups may use the same transport. Broadcast
* groups need not be used if e.g. a UID is specified instead;
* use group 0 to signify unicast.
*/
-#define KUC_GRP_HSM 0x02
-#define KUC_GRP_MAX KUC_GRP_HSM
-
-/* Kernel methods */
-int libcfs_kkuc_msg_put(struct file *fp, void *payload);
-int libcfs_kkuc_group_put(int group, void *payload);
-int libcfs_kkuc_group_add(struct file *fp, int uid, unsigned int group,
- void *data);
-int libcfs_kkuc_group_rem(int uid, int group, void **pdata);
-int libcfs_kkuc_group_foreach(int group, libcfs_kkuc_cb_t cb_func,
- void *cb_arg);
+#define KUC_GRP_HSM 0x02
+#define KUC_GRP_MAX KUC_GRP_HSM
#define LK_FLG_STOP 0x01
+#define LK_NOFD -1U
/* kernelcomm control structure, passed from userspace to kernel */
-typedef struct lustre_kernelcomm {
+struct lustre_kernelcomm {
__u32 lk_wfd;
__u32 lk_rfd;
__u32 lk_uid;
__u32 lk_group;
__u32 lk_data;
__u32 lk_flags;
-} __packed lustre_kernelcomm;
-
-/* Userspace methods */
-int libcfs_ukuc_start(lustre_kernelcomm *l, int groups);
-int libcfs_ukuc_stop(lustre_kernelcomm *l);
-int libcfs_ukuc_msg_get(lustre_kernelcomm *l, char *buf, int maxsize,
- int transport);
+} __packed;
-#endif /* __LIBCFS_KERNELCOMM_H__ */
+#endif /* __UAPI_KERNELCOMM_H__ */
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