Viewing: lustre_ioctl.h
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2014, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
*/
#ifndef _UAPI_LUSTRE_IOCTL_H
#define _UAPI_LUSTRE_IOCTL_H
#include <linux/ioctl.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/lustre/lustre_idl.h>
#include <linux/lustre/lustre_ver.h>
/*
* sparse kernel source annotations
*/
#ifndef __user
#define __user
#endif
enum md_echo_cmd {
ECHO_MD_CREATE = 1, /* Open/Create file on MDT */
ECHO_MD_MKDIR = 2, /* Mkdir on MDT */
ECHO_MD_DESTROY = 3, /* Unlink file on MDT */
ECHO_MD_RMDIR = 4, /* Rmdir on MDT */
ECHO_MD_LOOKUP = 5, /* Lookup on MDT */
ECHO_MD_GETATTR = 6, /* Getattr on MDT */
ECHO_MD_SETATTR = 7, /* Setattr on MDT */
ECHO_MD_ALLOC_FID = 8, /* Get FIDs from MDT */
};
#define OBD_DEV_ID 1
#define OBD_DEV_NAME "obd"
#define OBD_DEV_PATH "/dev/" OBD_DEV_NAME
#define OBD_IOCTL_VERSION 0x00010004
#define OBD_DEV_BY_DEVNAME 0xffffd0de
struct obd_ioctl_data {
__u32 ioc_len;
__u32 ioc_version;
union {
__u64 ioc_cookie;
__u64 ioc_u64_1;
};
union {
__u32 ioc_conn1;
__u32 ioc_u32_1;
};
union {
__u32 ioc_conn2;
__u32 ioc_u32_2;
};
struct obdo ioc_obdo1;
struct obdo ioc_obdo2;
__u64 ioc_count;
__u64 ioc_offset;
__u32 ioc_dev;
__u32 ioc_command;
__u64 ioc_nid;
__u32 ioc_nal;
__u32 ioc_type;
/* buffers the kernel will treat as user pointers */
__u32 ioc_plen1;
char __user *ioc_pbuf1;
__u32 ioc_plen2;
char __user *ioc_pbuf2;
/* inline buffers for various arguments */
__u32 ioc_inllen1;
char *ioc_inlbuf1;
__u32 ioc_inllen2;
char *ioc_inlbuf2;
__u32 ioc_inllen3;
char *ioc_inlbuf3;
__u32 ioc_inllen4;
char *ioc_inlbuf4;
char ioc_bulk[];
};
struct obd_ioctl_hdr {
__u32 ioc_len;
__u32 ioc_version;
};
static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data)
{
__u32 len = __ALIGN_KERNEL(sizeof(*data), 8);
len += __ALIGN_KERNEL(data->ioc_inllen1, 8);
len += __ALIGN_KERNEL(data->ioc_inllen2, 8);
len += __ALIGN_KERNEL(data->ioc_inllen3, 8);
len += __ALIGN_KERNEL(data->ioc_inllen4, 8);
return len;
}
/*
* OBD_IOC_DATA_TYPE is only for compatibility reasons with older
* Linux Lustre user tools. New ioctls should NOT use this macro as
* the ioctl "size". Instead the ioctl should get a "size" argument
* which is the actual data type used by the ioctl, to ensure the
* ioctl interface is versioned correctly.
*/
#define OBD_IOC_DATA_TYPE long
#define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE)
#define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE)
#define OBD_IOC_BARRIER_V2 _IOW('f', 105, struct obd_ioctl_data)
#define OBD_IOC_SET_ACTIVE _IOW('f', 106, struct obd_ioctl_data)
#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 19, 53, 0)
/* for API compatibility until 2.19.x, but prefer to use new IOC values above */
/* OBD_IOC_BARRIER wrongly defined as _IOWR('f', 261, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_BARRIER _IOWR('g', 5, OBD_IOC_DATA_TYPE) /* < 2.16 */
#define IOC_OSC_SET_ACTIVE _IOWR('h', 21, void *) /* deprecated 2.16 */
#endif
#define OBD_IOC_SETATTR _IOW('f', 107, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETATTR _IOWR('f', 108, OBD_IOC_DATA_TYPE)
#define OBD_IOC_READ _IOWR('f', 109, OBD_IOC_DATA_TYPE)
#define OBD_IOC_WRITE _IOWR('f', 110, OBD_IOC_DATA_TYPE)
#define OBD_IOC_STATFS _IOWR('f', 113, OBD_IOC_DATA_TYPE)
#define OBD_IOC_SYNC _IOW('f', 114, OBD_IOC_DATA_TYPE)
#define OBD_IOC_BRW_READ _IOWR('f', 125, OBD_IOC_DATA_TYPE)
#define OBD_IOC_BRW_WRITE _IOWR('f', 126, OBD_IOC_DATA_TYPE)
#define OBD_IOC_NAME2DEV _IOWR('f', 127, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETDTNAME _IOR('f', 127, char[MAX_OBD_NAME])
#define OBD_IOC_GETUUID _IOR('f', 127, char[UUID_MAX])
/* ioctl codes 128-143 are reserved for fsverity */
#define OBD_IOC_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME])
#define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE)
/* ioctl codes 128-143 are reserved for fsverity */
#define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE)
#define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE)
enum obd_abort_recovery_flags {
OBD_FLG_ABORT_RECOV_OST = 0x00008, /* LMD_FLG_ABORT_RECOV */
OBD_FLG_ABORT_RECOV_MDT = 0x40000, /* LMD_FLG_ABORT_RECOV_MDT */
};
/* ioctl codes 128-143 are reserved for fsverity */
#define OBD_IOC_GETDEVICE _IOWR('f', 149, OBD_IOC_DATA_TYPE)
#define OBD_IOC_FID2PATH _IOWR('f', 150, OBD_IOC_DATA_TYPE)
/* lustre/lustre_user.h 151-159 */
#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl)
#define OBD_IOC_LQACTL _IOWR('f', 162, struct obd_ioctl_data)
/* lustre/lustre_user.h 163-176 */
#define OBD_IOC_CHANGELOG_REG _IOW('f', 177, struct obd_ioctl_data)
#define OBD_IOC_CHANGELOG_DEREG _IOW('f', 178, struct obd_ioctl_data)
#define OBD_IOC_CHANGELOG_CLEAR _IOW('f', 179, struct obd_ioctl_data)
#define OBD_IOC_CHANGELOG_FILTER _IOW('f', 179, struct changelog_filter)
#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE)
#define OBD_IOC_PARAM _IOW('f', 187, OBD_IOC_DATA_TYPE)
#define OBD_IOC_POOL _IOWR('f', 188, OBD_IOC_DATA_TYPE)
#define OBD_IOC_REPLACE_NIDS _IOWR('f', 189, OBD_IOC_DATA_TYPE)
#define OBD_IOC_CATLOGLIST _IOWR('f', 190, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LLOG_INFO _IOWR('f', 191, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LLOG_PRINT _IOWR('f', 192, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LLOG_CANCEL _IOWR('f', 193, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LLOG_REMOVE _IOWR('f', 194, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LLOG_CHECK _IOWR('f', 195, OBD_IOC_DATA_TYPE)
#define OBD_IOC_NODEMAP _IOWR('f', 197, OBD_IOC_DATA_TYPE)
#define OBD_IOC_CLEAR_CONFIGS _IOWR('f', 198, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LCFG_FORK _IOWR('f', 208, OBD_IOC_DATA_TYPE)
#define OBD_IOC_LCFG_ERASE _IOWR('f', 209, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE)
/* lustre/lustre_user.h 211-220 */
#define OBD_IOC_ECHO_MD _IOR('f', 221, struct obd_ioctl_data)
#define OBD_IOC_ECHO_ALLOC_SEQ _IOWR('f', 222, struct obd_ioctl_data)
#define OBD_IOC_START_LFSCK _IOWR('f', 230, OBD_IOC_DATA_TYPE)
#define OBD_IOC_STOP_LFSCK _IOW('f', 231, OBD_IOC_DATA_TYPE)
#define OBD_IOC_QUERY_LFSCK _IOR('f', 232, struct obd_ioctl_data)
#define OBD_IOC_CHLG_SET_FLAGS _IOR('f', 233, long)
/* for compatibility issues with old apps */
#define OBD_IOC_CHLG_POLL OBD_IOC_CHLG_SET_FLAGS
/* lustre/lustre_user.h 240-253 */
#endif /* _UAPI_LUSTRE_IOCTL_H */
