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Diffstat (limited to '')
| -rw-r--r-- | drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h b/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h deleted file mode 100644 index 11b51d93f64c..000000000000 --- a/drivers/staging/lustre/include/uapi/linux/lustre/lustre_cfg.h +++ /dev/null @@ -1,261 +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) 2003, 2010, Oracle and/or its affiliates. All rights reserved. - * Use is subject to license terms. - * - * Copyright (c) 2012, Intel Corporation. - */ -/* - * This file is part of Lustre, http://www.lustre.org/ - * Lustre is a trademark of Sun Microsystems, Inc. - */ - -#ifndef _UAPI_LUSTRE_CFG_H_ -#define _UAPI_LUSTRE_CFG_H_ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <uapi/linux/lustre/lustre_user.h> - -/** \defgroup cfg cfg - * - * @{ - */ - -/* - * 1cf6 - * lcfG - */ -#define LUSTRE_CFG_VERSION 0x1cf60001 -#define LUSTRE_CFG_MAX_BUFCOUNT 8 - -#define LCFG_HDR_SIZE(count) \ - __ALIGN_KERNEL(offsetof(struct lustre_cfg, lcfg_buflens[(count)]), 8) - -/** If the LCFG_REQUIRED bit is set in a configuration command, - * then the client is required to understand this parameter - * in order to mount the filesystem. If it does not understand - * a REQUIRED command the client mount will fail. - */ -#define LCFG_REQUIRED 0x0001000 - -enum lcfg_command_type { - LCFG_ATTACH = 0x00cf001, /**< create a new obd instance */ - LCFG_DETACH = 0x00cf002, /**< destroy obd instance */ - LCFG_SETUP = 0x00cf003, /**< call type-specific setup */ - LCFG_CLEANUP = 0x00cf004, /**< call type-specific cleanup - */ - LCFG_ADD_UUID = 0x00cf005, /**< add a nid to a niduuid */ - LCFG_DEL_UUID = 0x00cf006, /**< remove a nid from - * a niduuid - */ - LCFG_MOUNTOPT = 0x00cf007, /**< create a profile - * (mdc, osc) - */ - LCFG_DEL_MOUNTOPT = 0x00cf008, /**< destroy a profile */ - LCFG_SET_TIMEOUT = 0x00cf009, /**< set obd_timeout */ - LCFG_SET_UPCALL = 0x00cf00a, /**< deprecated */ - LCFG_ADD_CONN = 0x00cf00b, /**< add a failover niduuid to - * an obd - */ - LCFG_DEL_CONN = 0x00cf00c, /**< remove a failover niduuid */ - LCFG_LOV_ADD_OBD = 0x00cf00d, /**< add an osc to a lov */ - LCFG_LOV_DEL_OBD = 0x00cf00e, /**< remove an osc from a lov */ - LCFG_PARAM = 0x00cf00f, /**< set a proc parameter */ - LCFG_MARKER = 0x00cf010, /**< metadata about next - * cfg rec - */ - LCFG_LOG_START = 0x00ce011, /**< mgc only, process a - * cfg log - */ - LCFG_LOG_END = 0x00ce012, /**< stop processing updates */ - LCFG_LOV_ADD_INA = 0x00ce013, /**< like LOV_ADD_OBD, - * inactive - */ - LCFG_ADD_MDC = 0x00cf014, /**< add an mdc to a lmv */ - LCFG_DEL_MDC = 0x00cf015, /**< remove an mdc from a lmv */ - LCFG_SPTLRPC_CONF = 0x00ce016, /**< security */ - LCFG_POOL_NEW = 0x00ce020, /**< create an ost pool name */ - LCFG_POOL_ADD = 0x00ce021, /**< add an ost to a pool */ - LCFG_POOL_REM = 0x00ce022, /**< remove an ost from a pool */ - LCFG_POOL_DEL = 0x00ce023, /**< destroy an ost pool name */ - LCFG_SET_LDLM_TIMEOUT = 0x00ce030, /**< set ldlm_timeout */ - LCFG_PRE_CLEANUP = 0x00cf031, /**< call type-specific pre - * cleanup cleanup - */ - LCFG_SET_PARAM = 0x00ce032, /**< use set_param syntax to set - * a proc parameters - */ -}; - -struct lustre_cfg_bufs { - void *lcfg_buf[LUSTRE_CFG_MAX_BUFCOUNT]; - __u32 lcfg_buflen[LUSTRE_CFG_MAX_BUFCOUNT]; - __u32 lcfg_bufcount; -}; - -struct lustre_cfg { - __u32 lcfg_version; - __u32 lcfg_command; - - __u32 lcfg_num; - __u32 lcfg_flags; - __u64 lcfg_nid; - __u32 lcfg_nal; /* not used any more */ - - __u32 lcfg_bufcount; - __u32 lcfg_buflens[0]; -}; - -enum cfg_record_type { - PORTALS_CFG_TYPE = 1, - LUSTRE_CFG_TYPE = 123, -}; - -#define LUSTRE_CFG_BUFLEN(lcfg, idx) \ - ((lcfg)->lcfg_bufcount <= (idx) ? 0 : (lcfg)->lcfg_buflens[(idx)]) - -static inline void lustre_cfg_bufs_set(struct lustre_cfg_bufs *bufs, - __u32 index, void *buf, __u32 buflen) -{ - if (index >= LUSTRE_CFG_MAX_BUFCOUNT) - return; - - if (!bufs) - return; - - if (bufs->lcfg_bufcount <= index) - bufs->lcfg_bufcount = index + 1; - - bufs->lcfg_buf[index] = buf; - bufs->lcfg_buflen[index] = buflen; -} - -static inline void lustre_cfg_bufs_set_string(struct lustre_cfg_bufs *bufs, - __u32 index, char *str) -{ - lustre_cfg_bufs_set(bufs, index, str, str ? strlen(str) + 1 : 0); -} - -static inline void lustre_cfg_bufs_reset(struct lustre_cfg_bufs *bufs, - char *name) -{ - memset((bufs), 0, sizeof(*bufs)); - if (name) - lustre_cfg_bufs_set_string(bufs, 0, name); -} - -static inline void *lustre_cfg_buf(struct lustre_cfg *lcfg, __u32 index) -{ - __u32 i; - size_t offset; - __u32 bufcount; - - if (!lcfg) - return NULL; - - bufcount = lcfg->lcfg_bufcount; - if (index >= bufcount) - return NULL; - - offset = LCFG_HDR_SIZE(lcfg->lcfg_bufcount); - for (i = 0; i < index; i++) - offset += __ALIGN_KERNEL(lcfg->lcfg_buflens[i], 8); - return (char *)lcfg + offset; -} - -static inline void lustre_cfg_bufs_init(struct lustre_cfg_bufs *bufs, - struct lustre_cfg *lcfg) -{ - __u32 i; - - bufs->lcfg_bufcount = lcfg->lcfg_bufcount; - for (i = 0; i < bufs->lcfg_bufcount; i++) { - bufs->lcfg_buflen[i] = lcfg->lcfg_buflens[i]; - bufs->lcfg_buf[i] = lustre_cfg_buf(lcfg, i); - } -} - -static inline __u32 lustre_cfg_len(__u32 bufcount, __u32 *buflens) -{ - __u32 i; - __u32 len; - - len = LCFG_HDR_SIZE(bufcount); - for (i = 0; i < bufcount; i++) - len += __ALIGN_KERNEL(buflens[i], 8); - - return __ALIGN_KERNEL(len, 8); -} - -static inline void lustre_cfg_init(struct lustre_cfg *lcfg, int cmd, - struct lustre_cfg_bufs *bufs) -{ - char *ptr; - __u32 i; - - lcfg->lcfg_version = LUSTRE_CFG_VERSION; - lcfg->lcfg_command = cmd; - lcfg->lcfg_bufcount = bufs->lcfg_bufcount; - - ptr = (char *)lcfg + LCFG_HDR_SIZE(lcfg->lcfg_bufcount); - for (i = 0; i < lcfg->lcfg_bufcount; i++) { - lcfg->lcfg_buflens[i] = bufs->lcfg_buflen[i]; - if (bufs->lcfg_buf[i]) { - memcpy(ptr, bufs->lcfg_buf[i], bufs->lcfg_buflen[i]); - ptr += __ALIGN_KERNEL(bufs->lcfg_buflen[i], 8); - } - } -} - -static inline int lustre_cfg_sanity_check(void *buf, size_t len) -{ - struct lustre_cfg *lcfg = (struct lustre_cfg *)buf; - - if (!lcfg) - return -EINVAL; - - /* check that the first bits of the struct are valid */ - if (len < LCFG_HDR_SIZE(0)) - return -EINVAL; - - if (lcfg->lcfg_version != LUSTRE_CFG_VERSION) - return -EINVAL; - - if (lcfg->lcfg_bufcount >= LUSTRE_CFG_MAX_BUFCOUNT) - return -EINVAL; - - /* check that the buflens are valid */ - if (len < LCFG_HDR_SIZE(lcfg->lcfg_bufcount)) - return -EINVAL; - - /* make sure all the pointers point inside the data */ - if (len < lustre_cfg_len(lcfg->lcfg_bufcount, lcfg->lcfg_buflens)) - return -EINVAL; - - return 0; -} - -/** @} cfg */ - -#endif /* _UAPI_LUSTRE_CFG_H_ */ |