-#include <obd_support.h>
-
-#ifdef __KERNEL__
-/* function defined in lustre/obdclass/<platform>/<platform>-module.c */
-int obd_ioctl_getdata(char **buf, int *len, void *arg);
-int obd_ioctl_popdata(void *arg, void *data, int len);
-#else
-/* buffer MUST be at least the size of obd_ioctl_hdr */
-static inline int obd_ioctl_getdata(char **buf, int *len, void *arg)
-{
- struct obd_ioctl_hdr hdr;
- struct obd_ioctl_data *data;
- int err;
- int offset = 0;
- ENTRY;
-
- err = copy_from_user(&hdr, (void *)arg, sizeof(hdr));
- if (err)
- RETURN(err);
-
- if (hdr.ioc_version != OBD_IOCTL_VERSION) {
- CERROR("Version mismatch kernel vs application\n");
- RETURN(-EINVAL);
- }
-
- if (hdr.ioc_len > OBD_MAX_IOCTL_BUFFER) {
- CERROR("User buffer len %d exceeds %d max buffer\n",
- hdr.ioc_len, OBD_MAX_IOCTL_BUFFER);
- RETURN(-EINVAL);
- }
-
- if (hdr.ioc_len < sizeof(struct obd_ioctl_data)) {
- CERROR("User buffer too small for ioctl (%d)\n", hdr.ioc_len);
- RETURN(-EINVAL);
- }
-
- /* XXX allocate this more intelligently, using kmalloc when
- * appropriate */
- OBD_VMALLOC(*buf, hdr.ioc_len);
- if (*buf == NULL) {
- CERROR("Cannot allocate control buffer of len %d\n",
- hdr.ioc_len);
- RETURN(-EINVAL);
- }
- *len = hdr.ioc_len;
- data = (struct obd_ioctl_data *)*buf;
-
- err = copy_from_user(*buf, (void *)arg, hdr.ioc_len);
- if (err) {
- OBD_VFREE(*buf, hdr.ioc_len);
- RETURN(err);
- }
-
- if (obd_ioctl_is_invalid(data)) {
- CERROR("ioctl not correctly formatted\n");
- OBD_VFREE(*buf, hdr.ioc_len);
- RETURN(-EINVAL);
- }
-
- if (data->ioc_inllen1) {
- data->ioc_inlbuf1 = &data->ioc_bulk[0];
- offset += size_round(data->ioc_inllen1);
- }
-
- if (data->ioc_inllen2) {
- data->ioc_inlbuf2 = &data->ioc_bulk[0] + offset;
- offset += size_round(data->ioc_inllen2);
- }
-
- if (data->ioc_inllen3) {
- data->ioc_inlbuf3 = &data->ioc_bulk[0] + offset;
- offset += size_round(data->ioc_inllen3);
- }
-
- if (data->ioc_inllen4) {
- data->ioc_inlbuf4 = &data->ioc_bulk[0] + offset;
- }
-
- RETURN(0);
-}
-
-static inline int obd_ioctl_popdata(void *arg, void *data, int len)
-{
- int err = copy_to_user(arg, data, len);
- if (err)
- err = -EFAULT;
- return err;
-}
-#endif
-
-static inline void obd_ioctl_freedata(char *buf, int len)
-{
- ENTRY;
-
- OBD_VFREE(buf, len);
- EXIT;
- return;
-}
-
-/*
- * BSD ioctl description:
- * #define IOC_V1 _IOR(g, n1, long)
- * #define IOC_V2 _IOW(g, n2, long)
- *
- * ioctl(f, IOC_V1, arg);
- * arg will be treated as a long value,
- *
- * ioctl(f, IOC_V2, arg)
- * arg will be treated as a pointer, bsd will call
- * copyin(buf, arg, sizeof(long))
- *
- * To make BSD ioctl handles argument correctly and simplely,
- * we change _IOR to _IOWR so BSD will copyin obd_ioctl_data
- * for us. Does this change affect Linux? (XXX Liang)
- */
-#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_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)
-#define OBD_IOC_READ2 _IOWR('f', 115, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_FORMAT _IOWR('f', 116, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_PARTITION _IOWR('f', 117, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_COPY _IOWR('f', 120, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_MIGR _IOWR('f', 121, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_PUNCH _IOWR('f', 122, OBD_IOC_DATA_TYPE)
-
-#define 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_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)
-
-#define 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)
-
-#define OBD_IOC_ROOT_SQUASH _IOWR('f', 143, OBD_IOC_DATA_TYPE)
-
-#define OBD_GET_VERSION _IOWR ('f', 144, OBD_IOC_DATA_TYPE)
-
-#define OBD_IOC_GSS_SUPPORT _IOWR('f', 145, OBD_IOC_DATA_TYPE)
-
-#define OBD_IOC_CLOSE_UUID _IOWR ('f', 147, 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)
-
-#define OBD_IOC_LOV_SETSTRIPE _IOW ('f', 154, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_LOV_GETSTRIPE _IOW ('f', 155, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_LOV_SETEA _IOW ('f', 156, OBD_IOC_DATA_TYPE)
-
-#define OBD_IOC_QUOTACHECK _IOW ('f', 160, int)
-#define OBD_IOC_POLL_QUOTACHECK _IOR ('f', 161, struct if_quotacheck *)
-#define OBD_IOC_QUOTACTL _IOWR('f', 162, struct if_quotactl *)
-
-#define OBD_IOC_MOUNTOPT _IOWR('f', 170, OBD_IOC_DATA_TYPE)
-
-#define OBD_IOC_RECORD _IOWR('f', 180, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_ENDRECORD _IOWR('f', 181, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_PARSE _IOWR('f', 182, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_DORECORD _IOWR('f', 183, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_PROCESS_CFG _IOWR('f', 184, OBD_IOC_DATA_TYPE)
-#define OBD_IOC_DUMP_LOG _IOWR('f', 185, OBD_IOC_DATA_TYPE)
-#define 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_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_LLOG_CATINFO _IOWR('f', 196, OBD_IOC_DATA_TYPE)
-
-#define ECHO_IOC_GET_STRIPE _IOWR('f', 200, OBD_IOC_DATA_TYPE)
-#define ECHO_IOC_SET_STRIPE _IOWR('f', 201, OBD_IOC_DATA_TYPE)
-#define ECHO_IOC_ENQUEUE _IOWR('f', 202, OBD_IOC_DATA_TYPE)
-#define ECHO_IOC_CANCEL _IOWR('f', 203, OBD_IOC_DATA_TYPE)
-
-/* XXX _IOWR('f', 250, long) has been defined in
- * libcfs/include/libcfs/libcfs_private.h for debug, don't use it
- */
-
-/* Until such time as we get_info the per-stripe maximum from the OST,
- * we define this to be 2T - 4k, which is the ext3 maxbytes. */
-#define LUSTRE_STRIPE_MAXBYTES 0x1fffffff000ULL