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/*
* 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) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
* Copyright (c) 2011, 2015, Intel Corporation.
*/
#ifndef LUSTRE_IOCTL_H_
#define LUSTRE_IOCTL_H_
#include <linux/types.h>
#include "../../../include/linux/libcfs/libcfs.h"
#include "lustre_idl.h"
#ifdef __KERNEL__
# include <linux/ioctl.h>
# include <linux/string.h>
# include "../obd_support.h"
#else /* __KERNEL__ */
# include <malloc.h>
# include <string.h>
#include <libcfs/util/ioctl.h>
#endif /* !__KERNEL__ */
#if !defined(__KERNEL__) && !defined(LUSTRE_UTILS)
# error This file is for Lustre internal use only.
#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_DEV_MAJOR 10
#define OBD_DEV_MINOR 241
#define OBD_IOCTL_VERSION 0x00010004
#define OBD_DEV_BY_DEVNAME 0xffffd0de
#define OBD_MAX_IOCTL_BUFFER CONFIG_LUSTRE_OBD_MAX_IOCTL_BUFFER
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[0];
};
struct obd_ioctl_hdr {
__u32 ioc_len;
__u32 ioc_version;
};
static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data)
{
__u32 len = cfs_size_round(sizeof(*data));
len += cfs_size_round(data->ioc_inllen1);
len += cfs_size_round(data->ioc_inllen2);
len += cfs_size_round(data->ioc_inllen3);
len += cfs_size_round(data->ioc_inllen4);
return len;
}
static inline int obd_ioctl_is_invalid(struct obd_ioctl_data *data)
{
if (data->ioc_len > (1 << 30)) {
CERROR("OBD ioctl: ioc_len larger than 1<<30\n");
return 1;
}
if (data->ioc_inllen1 > (1 << 30)) {
CERROR("OBD ioctl: ioc_inllen1 larger than 1<<30\n");
return 1;
}
if (data->ioc_inllen2 > (1 << 30)) {
CERROR("OBD ioctl: ioc_inllen2 larger than 1<<30\n");
return 1;
}
if (data->ioc_inllen3 > (1 << 30)) {
CERROR("OBD ioctl: ioc_inllen3 larger than 1<<30\n");
return 1;
}
if (data->ioc_inllen4 > (1 << 30)) {
CERROR("OBD ioctl: ioc_inllen4 larger than 1<<30\n");
return 1;
}
if (data->ioc_inlbuf1 && !data->ioc_inllen1) {
CERROR("OBD ioctl: inlbuf1 pointer but 0 length\n");
return 1;
}
if (data->ioc_inlbuf2 && !data->ioc_inllen2) {
CERROR("OBD ioctl: inlbuf2 pointer but 0 length\n");
return 1;
}
if (data->ioc_inlbuf3 && !data->ioc_inllen3) {
CERROR("OBD ioctl: inlbuf3 pointer but 0 length\n");
return 1;
}
if (data->ioc_inlbuf4 && !data->ioc_inllen4) {
CERROR("OBD ioctl: inlbuf4 pointer but 0 length\n");
return 1;
}
if (data->ioc_pbuf1 && !data->ioc_plen1) {
CERROR("OBD ioctl: pbuf1 pointer but 0 length\n");
return 1;
}
if (data->ioc_pbuf2 && !data->ioc_plen2) {
CERROR("OBD ioctl: pbuf2 pointer but 0 length\n");
return 1;
}
if (!data->ioc_pbuf1 && data->ioc_plen1) {
CERROR("OBD ioctl: plen1 set but NULL pointer\n");
return 1;
}
if (!data->ioc_pbuf2 && data->ioc_plen2) {
CERROR("OBD ioctl: plen2 set but NULL pointer\n");
return 1;
}
if (obd_ioctl_packlen(data) > data->ioc_len) {
CERROR("OBD ioctl: packlen exceeds ioc_len (%d > %d)\n",
obd_ioctl_packlen(data), data->ioc_len);
return 1;
}
return 0;
}
#ifdef __KERNEL__
int obd_ioctl_getdata(char **buf, int *len, void __user *arg);
int obd_ioctl_popdata(void __user *arg, void *data, int len);
static inline void obd_ioctl_freedata(char *buf, size_t len)
{
kvfree(buf);
}
#else /* __KERNEL__ */
static inline int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf,
int max_len)
{
char *ptr;
struct obd_ioctl_data *overlay;
data->ioc_len = obd_ioctl_packlen(data);
data->ioc_version = OBD_IOCTL_VERSION;
if (*pbuf && data->ioc_len > max_len) {
fprintf(stderr, "pbuf = %p, ioc_len = %u, max_len = %d\n",
*pbuf, data->ioc_len, max_len);
return -EINVAL;
}
if (!*pbuf)
*pbuf = malloc(data->ioc_len);
if (!*pbuf)
return -ENOMEM;
overlay = (struct obd_ioctl_data *)*pbuf;
memcpy(*pbuf, data, sizeof(*data));
ptr = overlay->ioc_bulk;
if (data->ioc_inlbuf1)
LOGL(data->ioc_inlbuf1, data->ioc_inllen1, ptr);
if (data->ioc_inlbuf2)
LOGL(data->ioc_inlbuf2, data->ioc_inllen2, ptr);
if (data->ioc_inlbuf3)
LOGL(data->ioc_inlbuf3, data->ioc_inllen3, ptr);
if (data->ioc_inlbuf4)
LOGL(data->ioc_inlbuf4, data->ioc_inllen4, ptr);
if (obd_ioctl_is_invalid(overlay)) {
fprintf(stderr, "invalid ioctl data: ioc_len = %u, max_len = %d\n",
data->ioc_len, max_len);
return -EINVAL;
}
return 0;
}
static inline int
obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf, int max_len)
{
char *ptr;
struct obd_ioctl_data *overlay;
if (!pbuf)
return 1;
overlay = (struct obd_ioctl_data *)pbuf;
/* Preserve the caller's buffer pointers */
overlay->ioc_inlbuf1 = data->ioc_inlbuf1;
overlay->ioc_inlbuf2 = data->ioc_inlbuf2;
overlay->ioc_inlbuf3 = data->ioc_inlbuf3;
overlay->ioc_inlbuf4 = data->ioc_inlbuf4;
memcpy(data, pbuf, sizeof(*data));
ptr = overlay->ioc_bulk;
if (data->ioc_inlbuf1)
LOGU(data->ioc_inlbuf1, data->ioc_inllen1, ptr);
if (data->ioc_inlbuf2)
LOGU(data->ioc_inlbuf2, data->ioc_inllen2, ptr);
if (data->ioc_inlbuf3)
LOGU(data->ioc_inlbuf3, data->ioc_inllen3, ptr);
if (data->ioc_inlbuf4)
LOGU(data->ioc_inlbuf4, data->ioc_inllen4, ptr);
return 0;
}
#endif /* !__KERNEL__ */
/*
* 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
/* IOC_LDLM_TEST _IOWR('f', 40, long) */
/* IOC_LDLM_DUMP _IOWR('f', 41, long) */
/* IOC_LDLM_REGRESS_START _IOWR('f', 42, long) */
/* IOC_LDLM_REGRESS_STOP _IOWR('f', 43, long) */
#define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE)
#define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE)
/* OBD_IOC_PREALLOCATE _IOWR('f', 105, OBD_IOC_DATA_TYPE) */
#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)
/* OBD_IOC_READ2 _IOWR('f', 115, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_FORMAT _IOWR('f', 116, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_PARTITION _IOWR('f', 117, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_COPY _IOWR('f', 120, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_MIGR _IOWR('f', 121, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_PUNCH _IOWR('f', 122, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_MODULE_DEBUG _IOWR('f', 124, 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_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETNAME _IOWR('f', 131, OBD_IOC_DATA_TYPE)
#define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME])
#define OBD_IOC_GETDTNAME OBD_IOC_GETNAME
#define OBD_IOC_LOV_GET_CONFIG _IOWR('f', 132, OBD_IOC_DATA_TYPE)
#define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE)
#define OBD_IOC_PING_TARGET _IOW('f', 136, OBD_IOC_DATA_TYPE)
/* OBD_IOC_DEC_FS_USE_COUNT _IO('f', 139) */
#define OBD_IOC_NO_TRANSNO _IOW('f', 140, OBD_IOC_DATA_TYPE)
#define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE)
#define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE)
/* OBD_IOC_ROOT_SQUASH _IOWR('f', 143, OBD_IOC_DATA_TYPE) */
#define OBD_GET_VERSION _IOWR('f', 144, OBD_IOC_DATA_TYPE)
/* OBD_IOC_GSS_SUPPORT _IOWR('f', 145, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_CLOSE_UUID _IOWR('f', 147, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_CHANGELOG_SEND _IOW('f', 148, OBD_IOC_DATA_TYPE)
#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 151-153 */
/* OBD_IOC_LOV_SETSTRIPE 154 LL_IOC_LOV_SETSTRIPE */
/* OBD_IOC_LOV_GETSTRIPE 155 LL_IOC_LOV_GETSTRIPE */
/* OBD_IOC_LOV_SETEA 156 LL_IOC_LOV_SETEA */
/* lustre/lustre_user.h 157-159 */
/* OBD_IOC_QUOTACHECK _IOW('f', 160, int) */
/* OBD_IOC_POLL_QUOTACHECK _IOR('f', 161, struct if_quotacheck *) */
#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl)
/* 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)
/* OBD_IOC_RECORD _IOWR('f', 180, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_ENDRECORD _IOWR('f', 181, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_PARSE _IOWR('f', 182, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_DORECORD _IOWR('f', 183, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE)
/* OBD_IOC_DUMP_LOG _IOWR('f', 185, OBD_IOC_DATA_TYPE) */
/* OBD_IOC_CLEAR_LOG _IOWR('f', 186, 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)
/* OBD_IOC_LLOG_CATINFO _IOWR('f', 196, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_NODEMAP _IOWR('f', 197, OBD_IOC_DATA_TYPE)
/* ECHO_IOC_GET_STRIPE _IOWR('f', 200, OBD_IOC_DATA_TYPE) */
/* ECHO_IOC_SET_STRIPE _IOWR('f', 201, OBD_IOC_DATA_TYPE) */
/* ECHO_IOC_ENQUEUE _IOWR('f', 202, OBD_IOC_DATA_TYPE) */
/* ECHO_IOC_CANCEL _IOWR('f', 203, OBD_IOC_DATA_TYPE) */
#define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE)
/* lustre/lustre_user.h 212-217 */
#define OBD_IOC_GET_MNTOPT _IOW('f', 220, mntopt_t)
#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)
/* lustre/lustre_user.h 240-249 */
/* LIBCFS_IOC_DEBUG_MASK 250 */
#define IOC_OSC_SET_ACTIVE _IOWR('h', 21, void *)
#endif /* LUSTRE_IOCTL_H_ */
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