+#ifndef __KERNEL__
+static inline int obd_ioctl_pack(struct obd_ioctl_data *data, char **pbuf,
+ int max)
+{
+ 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)
+ return 1;
+ if (*pbuf == NULL) {
+ *pbuf = malloc(data->ioc_len);
+ }
+ if (!*pbuf)
+ return 1;
+ 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 (obd_ioctl_is_invalid(overlay))
+ return 1;
+
+ return 0;
+}
+
+static inline int obd_ioctl_unpack(struct obd_ioctl_data *data, char *pbuf,
+ int max)
+{
+ 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;
+
+ 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);
+
+ return 0;
+}
+#endif
+
+#include <linux/obd_support.h>
+
+/* 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;
+ ENTRY;
+
+ err = copy_from_user(&hdr, (void *)arg, sizeof(hdr));
+ if ( err ) {
+ EXIT;
+ return err;
+ }
+
+ if (hdr.ioc_version != OBD_IOCTL_VERSION) {
+ printk("OBD: version mismatch kernel vs application\n");
+ return -EINVAL;
+ }
+
+ if (hdr.ioc_len > 8192) {
+ printk("OBD: user buffer exceeds 8192 max buffer\n");
+ return -EINVAL;
+ }
+
+ if (hdr.ioc_len < sizeof(struct obd_ioctl_data)) {
+ printk("OBD: user buffer too small for ioctl\n");
+ return -EINVAL;
+ }
+
+ OBD_ALLOC(*buf, hdr.ioc_len);
+ if (!*buf) {
+ 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 ) {
+ EXIT;
+ return err;
+ }
+
+ if (obd_ioctl_is_invalid(data)) {
+ printk("OBD: ioctl not correctly formatted\n");
+ return -EINVAL;
+ }
+
+ if (data->ioc_inllen1) {
+ data->ioc_inlbuf1 = &data->ioc_bulk[0];
+ }
+
+ if (data->ioc_inllen2) {
+ data->ioc_inlbuf2 = &data->ioc_bulk[0] +
+ size_round(data->ioc_inllen1);
+ }
+
+ if (data->ioc_inllen3) {
+ data->ioc_inlbuf3 = &data->ioc_bulk[0] +
+ size_round(data->ioc_inllen1) +
+ size_round(data->ioc_inllen2);
+ }
+
+ EXIT;
+ return 0;
+}
+
+#define OBD_IOC_CREATE _IOR ('f', 101, long)
+#define OBD_IOC_SETUP _IOW ('f', 102, long)
+#define OBD_IOC_CLEANUP _IO ('f', 103 )
+#define OBD_IOC_DESTROY _IOW ('f', 104, long)
+#define OBD_IOC_PREALLOCATE _IOWR('f', 105, long)
+
+#define OBD_IOC_SETATTR _IOW ('f', 107, long)
+#define OBD_IOC_GETATTR _IOR ('f', 108, long)
+#define OBD_IOC_READ _IOWR('f', 109, long)
+#define OBD_IOC_WRITE _IOWR('f', 110, long)
+#define OBD_IOC_CONNECT _IOR ('f', 111, long)
+#define OBD_IOC_DISCONNECT _IOW ('f', 112, long)
+#define OBD_IOC_STATFS _IOWR('f', 113, long)
+#define OBD_IOC_SYNC _IOR ('f', 114, long)
+#define OBD_IOC_READ2 _IOWR('f', 115, long)
+#define OBD_IOC_FORMAT _IOWR('f', 116, long)
+#define OBD_IOC_PARTITION _IOWR('f', 117, long)
+#define OBD_IOC_ATTACH _IOWR('f', 118, long)
+#define OBD_IOC_DETACH _IOWR('f', 119, long)
+#define OBD_IOC_COPY _IOWR('f', 120, long)
+#define OBD_IOC_MIGR _IOWR('f', 121, long)
+#define OBD_IOC_PUNCH _IOWR('f', 122, long)
+#define OBD_IOC_DEVICE _IOWR('f', 123, long)
+#define OBD_IOC_MODULE_DEBUG _IOWR('f', 124, long)
+#define OBD_IOC_BRW_READ _IOWR('f', 125, long)
+#define OBD_IOC_BRW_WRITE _IOWR('f', 126, long)
+#define OBD_IOC_NAME2DEV _IOWR('f', 127, long)
+#define OBD_IOC_NEWDEV _IOWR('f', 128, long)
+#define OBD_IOC_LIST _IOWR('f', 129, long)
+#define OBD_IOC_UUID2DEV _IOWR('f', 130, long)
+
+#define OBD_IOC_RECOVD_NEWCONN _IOWR('f', 131, long)
+#define OBD_IOC_LOV_SET_CONFIG _IOWR('f', 132, long)
+#define OBD_IOC_LOV_GET_CONFIG _IOWR('f', 133, long)
+#define OBD_IOC_LOV_CONFIG OBD_IOC_LOV_SET_CONFIG
+
+#define OBD_IOC_OPEN _IOWR('f', 134, long)
+#define OBD_IOC_CLOSE _IOWR('f', 135, long)
+
+#define OBD_IOC_RECOVD_FAILCONN _IOWR('f', 136, long)
+
+#define OBD_IOC_DEC_FS_USE_COUNT _IO ('f', 139 )
+#define OBD_IOC_NO_TRANSNO _IOW ('f', 140, long)
+#define OBD_IOC_SET_READONLY _IOW ('f', 141, long)
+
+#define OBD_GET_VERSION _IOWR ('f', 144, long)
+
+#define OBD_IOC_ADD_UUID _IOWR ('f', 145, long)
+#define OBD_IOC_DEL_UUID _IOWR ('f', 146, long)
+#define OBD_IOC_CLOSE_UUID _IOWR ('f', 147, long)
+
+#define ECHO_IOC_GET_STRIPE _IOWR('f', 200, long)
+#define ECHO_IOC_SET_STRIPE _IOWR('f', 201, long)
+#define ECHO_IOC_ENQUEUE _IOWR('f', 202, long)
+#define ECHO_IOC_CANCEL _IOWR('f', 203, long)
+
+
+#define CHECKSUM_BULK 0
+
+#if CHECKSUM_BULK
+static inline void ost_checksum(__u64 *cksum, void *addr, int len)
+{
+ unsigned char *ptr = (unsigned char *)addr;
+ __u64 sum = 0;
+
+ /* very stupid, but means I don't have to think about byte order */
+ while (len-- > 0)
+ sum += *ptr++;
+
+ *cksum = (*cksum << 2) + sum;
+}