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28 #ifndef _UAPI_LUSTRE_IOCTL_H
29 #define _UAPI_LUSTRE_IOCTL_H
31 #include <linux/ioctl.h>
32 #include <linux/kernel.h>
33 #include <linux/types.h>
34 #include <linux/lustre/lustre_idl.h>
35 #include <linux/lustre/lustre_ver.h>
38 * sparse kernel source annotations
45 ECHO_MD_CREATE = 1, /* Open/Create file on MDT */
46 ECHO_MD_MKDIR = 2, /* Mkdir on MDT */
47 ECHO_MD_DESTROY = 3, /* Unlink file on MDT */
48 ECHO_MD_RMDIR = 4, /* Rmdir on MDT */
49 ECHO_MD_LOOKUP = 5, /* Lookup on MDT */
50 ECHO_MD_GETATTR = 6, /* Getattr on MDT */
51 ECHO_MD_SETATTR = 7, /* Setattr on MDT */
52 ECHO_MD_ALLOC_FID = 8, /* Get FIDs from MDT */
56 #define OBD_DEV_NAME "obd"
57 #define OBD_DEV_PATH "/dev/" OBD_DEV_NAME
59 #define OBD_IOCTL_VERSION 0x00010004
60 #define OBD_DEV_BY_DEVNAME 0xffffd0de
62 struct obd_ioctl_data {
79 struct obdo ioc_obdo1;
80 struct obdo ioc_obdo2;
91 /* buffers the kernel will treat as user pointers */
93 char __user *ioc_pbuf1;
95 char __user *ioc_pbuf2;
97 /* inline buffers for various arguments */
110 struct obd_ioctl_hdr {
115 static inline __u32 obd_ioctl_packlen(struct obd_ioctl_data *data)
117 __u32 len = __ALIGN_KERNEL(sizeof(*data), 8);
119 len += __ALIGN_KERNEL(data->ioc_inllen1, 8);
120 len += __ALIGN_KERNEL(data->ioc_inllen2, 8);
121 len += __ALIGN_KERNEL(data->ioc_inllen3, 8);
122 len += __ALIGN_KERNEL(data->ioc_inllen4, 8);
128 * OBD_IOC_DATA_TYPE is only for compatibility reasons with older
129 * Linux Lustre user tools. New ioctls should NOT use this macro as
130 * the ioctl "size". Instead the ioctl should get a "size" argument
131 * which is the actual data type used by the ioctl, to ensure the
132 * ioctl interface is versioned correctly.
134 #define OBD_IOC_DATA_TYPE long
136 #define OBD_IOC_CREATE _IOWR('f', 101, OBD_IOC_DATA_TYPE)
137 #define OBD_IOC_DESTROY _IOW('f', 104, OBD_IOC_DATA_TYPE)
138 #define OBD_IOC_BARRIER_V2 _IOW('f', 105, struct obd_ioctl_data)
139 #define OBD_IOC_SET_ACTIVE _IOW('f', 106, struct obd_ioctl_data)
140 #if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 19, 53, 0)
141 /* for API compatibility until 2.19.x, but prefer to use new IOC values above */
142 /* OBD_IOC_BARRIER wrongly defined as _IOWR('f', 261, OBD_IOC_DATA_TYPE) */
143 #define OBD_IOC_BARRIER _IOWR('g', 5, OBD_IOC_DATA_TYPE) /* < 2.16 */
144 #define IOC_OSC_SET_ACTIVE _IOWR('h', 21, void *) /* deprecated 2.16 */
147 #define OBD_IOC_SETATTR _IOW('f', 107, OBD_IOC_DATA_TYPE)
148 #define OBD_IOC_GETATTR _IOWR('f', 108, OBD_IOC_DATA_TYPE)
149 #define OBD_IOC_READ _IOWR('f', 109, OBD_IOC_DATA_TYPE)
150 #define OBD_IOC_WRITE _IOWR('f', 110, OBD_IOC_DATA_TYPE)
152 #define OBD_IOC_STATFS _IOWR('f', 113, OBD_IOC_DATA_TYPE)
153 #define OBD_IOC_SYNC _IOW('f', 114, OBD_IOC_DATA_TYPE)
155 #define OBD_IOC_BRW_READ _IOWR('f', 125, OBD_IOC_DATA_TYPE)
156 #define OBD_IOC_BRW_WRITE _IOWR('f', 126, OBD_IOC_DATA_TYPE)
157 #define OBD_IOC_NAME2DEV _IOWR('f', 127, OBD_IOC_DATA_TYPE)
158 #define OBD_IOC_GETDTNAME _IOR('f', 127, char[MAX_OBD_NAME])
159 /* ioctl codes 128-143 are reserved for fsverity */
160 #define OBD_IOC_UUID2DEV _IOWR('f', 130, OBD_IOC_DATA_TYPE)
161 #define OBD_IOC_GETMDNAME _IOR('f', 131, char[MAX_OBD_NAME])
162 #define OBD_IOC_CLIENT_RECOVER _IOW('f', 133, OBD_IOC_DATA_TYPE)
163 /* ioctl codes 128-143 are reserved for fsverity */
164 #define OBD_IOC_SET_READONLY _IOW('f', 141, OBD_IOC_DATA_TYPE)
165 #define OBD_IOC_ABORT_RECOVERY _IOR('f', 142, OBD_IOC_DATA_TYPE)
166 enum obd_abort_recovery_flags {
167 OBD_FLG_ABORT_RECOV_OST = 0x00008, /* LMD_FLG_ABORT_RECOV */
168 OBD_FLG_ABORT_RECOV_MDT = 0x40000, /* LMD_FLG_ABORT_RECOV_MDT */
170 /* ioctl codes 128-143 are reserved for fsverity */
171 #define OBD_IOC_GETDEVICE _IOWR('f', 149, OBD_IOC_DATA_TYPE)
172 #define OBD_IOC_FID2PATH _IOWR('f', 150, OBD_IOC_DATA_TYPE)
173 /* lustre/lustre_user.h 151-159 */
174 #define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl)
175 /* lustre/lustre_user.h 163-176 */
176 #define OBD_IOC_CHANGELOG_REG _IOW('f', 177, struct obd_ioctl_data)
177 #define OBD_IOC_CHANGELOG_DEREG _IOW('f', 178, struct obd_ioctl_data)
178 #define OBD_IOC_CHANGELOG_CLEAR _IOW('f', 179, struct obd_ioctl_data)
179 #define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE)
180 #define OBD_IOC_PARAM _IOW('f', 187, OBD_IOC_DATA_TYPE)
181 #define OBD_IOC_POOL _IOWR('f', 188, OBD_IOC_DATA_TYPE)
182 #define OBD_IOC_REPLACE_NIDS _IOWR('f', 189, OBD_IOC_DATA_TYPE)
184 #define OBD_IOC_CATLOGLIST _IOWR('f', 190, OBD_IOC_DATA_TYPE)
185 #define OBD_IOC_LLOG_INFO _IOWR('f', 191, OBD_IOC_DATA_TYPE)
186 #define OBD_IOC_LLOG_PRINT _IOWR('f', 192, OBD_IOC_DATA_TYPE)
187 #define OBD_IOC_LLOG_CANCEL _IOWR('f', 193, OBD_IOC_DATA_TYPE)
188 #define OBD_IOC_LLOG_REMOVE _IOWR('f', 194, OBD_IOC_DATA_TYPE)
189 #define OBD_IOC_LLOG_CHECK _IOWR('f', 195, OBD_IOC_DATA_TYPE)
190 #define OBD_IOC_NODEMAP _IOWR('f', 197, OBD_IOC_DATA_TYPE)
191 #define OBD_IOC_CLEAR_CONFIGS _IOWR('f', 198, OBD_IOC_DATA_TYPE)
192 #define OBD_IOC_LCFG_FORK _IOWR('f', 208, OBD_IOC_DATA_TYPE)
193 #define OBD_IOC_LCFG_ERASE _IOWR('f', 209, OBD_IOC_DATA_TYPE)
194 #define OBD_IOC_GET_OBJ_VERSION _IOR('f', 210, OBD_IOC_DATA_TYPE)
195 /* lustre/lustre_user.h 211-220 */
196 #define OBD_IOC_ECHO_MD _IOR('f', 221, struct obd_ioctl_data)
197 #define OBD_IOC_ECHO_ALLOC_SEQ _IOWR('f', 222, struct obd_ioctl_data)
198 #define OBD_IOC_START_LFSCK _IOWR('f', 230, OBD_IOC_DATA_TYPE)
199 #define OBD_IOC_STOP_LFSCK _IOW('f', 231, OBD_IOC_DATA_TYPE)
200 #define OBD_IOC_QUERY_LFSCK _IOR('f', 232, struct obd_ioctl_data)
201 #define OBD_IOC_CHLG_SET_FLAGS _IOR('f', 233, long)
202 /* for compatibility issues with old apps */
203 #define OBD_IOC_CHLG_POLL OBD_IOC_CHLG_SET_FLAGS
204 /* lustre/lustre_user.h 240-253 */
206 #endif /* _UAPI_LUSTRE_IOCTL_H */