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Diffstat (limited to '')
-rw-r--r-- | drivers/staging/lustre/include/uapi/linux/lustre/lustre_kernelcomm.h | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_kernelcomm.h b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_kernelcomm.h deleted file mode 100644 index 94dadbe8e069..000000000000 --- a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_kernelcomm.h +++ /dev/null @@ -1,94 +0,0 @@ -/* - * 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 __UAPI_LUSTRE_KERNELCOMM_H__ -#define __UAPI_LUSTRE_KERNELCOMM_H__ - -#include <linux/types.h> - -/* KUC message header. - * All current and future KUC messages should use this header. - * To avoid having to include Lustre headers from libcfs, define this here. - */ -struct kuc_hdr { - __u16 kuc_magic; - /* Each new Lustre feature should use a different transport */ - __u8 kuc_transport; - __u8 kuc_flags; - /* Message type or opcode, transport-specific */ - __u16 kuc_msgtype; - /* Including header */ - __u16 kuc_msglen; -} __aligned(sizeof(__u64)); - -#define KUC_CHANGELOG_MSG_MAXSIZE (sizeof(struct kuc_hdr) + CR_MAXSIZE) - -#define KUC_MAGIC 0x191C /*Lustre9etLinC */ - -/* kuc_msgtype values are defined in each transport */ -enum kuc_transport_type { - KUC_TRANSPORT_GENERIC = 1, - KUC_TRANSPORT_HSM = 2, - KUC_TRANSPORT_CHANGELOG = 3, -}; - -enum kuc_generic_message_type { - KUC_MSG_SHUTDOWN = 1, -}; - -/* 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 - -#define LK_FLG_STOP 0x01 -#define LK_NOFD -1U - -/* kernelcomm control structure, passed from userspace to kernel */ -struct lustre_kernelcomm { - __u32 lk_wfd; - __u32 lk_rfd; - __u32 lk_uid; - __u32 lk_group; - __u32 lk_data; - __u32 lk_flags; -} __packed; - -#endif /* __UAPI_LUSTRE_KERNELCOMM_H__ */ |