66 #define FLAKEY_CORRUPT_DIR(tfc) \  argument
67 	((tfc)->corrupt_buf_rw == BUF_CMD_READ ? 'r' : 'w')
135 	dm_target_flakey_config_t *tfc;  in dm_target_flakey_init()  local
150 	tfc = kmem_alloc(sizeof(dm_target_flakey_config_t), KM_SLEEP);  in dm_target_flakey_init()
151 	tfc->pdev = dmp;  in dm_target_flakey_init()
152 	tfc->offset = atoi64(argv[1]);  in dm_target_flakey_init()
153 	tfc->up_int = atoi64(argv[2]);  in dm_target_flakey_init()
154 	tfc->down_int = atoi64(argv[3]);  in dm_target_flakey_init()
155 	tfc->offset_time = tick;  in dm_target_flakey_init()
157 	if ((tfc->up_int + tfc->down_int) == 0) {  in dm_target_flakey_init()
163 	if (tfc->up_int + tfc->down_int < tfc->up_int) {  in dm_target_flakey_init()
169 	err = _init_features(tfc, argc - 4, argv + 4);  in dm_target_flakey_init()
174 	table_en->target_config = tfc;  in dm_target_flakey_init()
178 	kmem_free(tfc, sizeof(*tfc));  in dm_target_flakey_init()
183 _init_features(dm_target_flakey_config_t *tfc, int argc, char **argv)  in _init_features()  argument
203 			tfc->drop_writes = 1;  in _init_features()
223 			tfc->corrupt_buf_byte = value;  in _init_features()
229 				tfc->corrupt_buf_rw = BUF_CMD_READ;  in _init_features()
231 				tfc->corrupt_buf_rw = BUF_CMD_WRITE;  in _init_features()
246 			tfc->corrupt_buf_value = value;  in _init_features()
250 			tfc->corrupt_buf_flags = atoi64(*argv++);  in _init_features()
259 	if (tfc->drop_writes && (tfc->corrupt_buf_rw == BUF_CMD_WRITE)) {  in _init_features()
271 	dm_target_flakey_config_t *tfc;  in dm_target_flakey_table()  local
275 	tfc = target_config;  in dm_target_flakey_table()
276 	KASSERT(tfc != NULL);  in dm_target_flakey_table()
280 	drop_writes = tfc->drop_writes;  in dm_target_flakey_table()
285 	    tfc->pdev->udev_name, tfc->offset_time,  in dm_target_flakey_table()
286 	    tfc->up_int, tfc->down_int,  in dm_target_flakey_table()
287 	    drop_writes + (tfc->corrupt_buf_byte > 0) * 5);  in dm_target_flakey_table()
292 	if (tfc->corrupt_buf_byte)  in dm_target_flakey_table()
295 		    tfc->corrupt_buf_byte,  in dm_target_flakey_table()
296 		    FLAKEY_CORRUPT_DIR(tfc),  in dm_target_flakey_table()
297 		    tfc->corrupt_buf_value,  in dm_target_flakey_table()
298 		    tfc->corrupt_buf_flags);  in dm_target_flakey_table()
311 	dm_target_flakey_config_t *tfc;  local
316 	tfc = table_en->target_config;
318 	elapsed = (tick - tfc->offset_time) / hz;
319 	if (elapsed % (tfc->up_int + tfc->down_int) >= tfc->up_int) {
324 			return _flakey_read(tfc, bp);
326 			return _flakey_write(tfc, bp);
330 	_submit(tfc, bp);
336 _submit(dm_target_flakey_config_t *tfc, struct buf *bp)  argument
339 	bp->b_blkno += tfc->offset;
340 	VOP_STRATEGY(tfc->pdev->pdev_vnode, bp);
355 	dm_target_flakey_config_t *tfc;  local
375 	tfc = bp->b_private2;
380 	if (tfc->corrupt_buf_byte && tfc->corrupt_buf_rw == BUF_CMD_READ)
381 		_flakey_corrupt_buf(tfc, mbp);
382 	else if (!tfc->drop_writes)
391 _flakey_read(dm_target_flakey_config_t *tfc, struct buf *bp)  argument
399 	if (!tfc->corrupt_buf_byte && !tfc->drop_writes) {
410 	nestbuf->b_private2 = tfc;
412 	_submit(tfc, nestbuf);
418 _flakey_write(dm_target_flakey_config_t *tfc, struct buf *bp)  argument
421 	if (tfc->drop_writes) {
427 	if (tfc->corrupt_buf_byte && tfc->corrupt_buf_rw == BUF_CMD_WRITE) {
428 		_flakey_corrupt_buf(tfc, bp);
429 		_submit(tfc, bp);
441 _flakey_corrupt_buf(dm_target_flakey_config_t *tfc, struct buf *bp)  argument
449 	if (bp->b_bcount < tfc->corrupt_buf_byte)
451 	if ((bp->b_flags & tfc->corrupt_buf_flags) != tfc->corrupt_buf_flags)
455 	buf[tfc->corrupt_buf_byte - 1] = tfc->corrupt_buf_value;
458 	    bp, FLAKEY_CORRUPT_DIR(tfc), bp->b_blkno, tfc->corrupt_buf_byte,
459 	    tfc->corrupt_buf_value);
467 	dm_target_flakey_config_t *tfc;  local
470 	tfc = table_en->target_config;
473 	return VOP_IOCTL(tfc->pdev->pdev_vnode, DIOCCACHESYNC, &cmd,
484 	dm_target_flakey_config_t *tfc = table_en->target_config;  local
487 	dm_pdev_decr(tfc->pdev);
489 	kmem_free(tfc, sizeof(*tfc));
509 	dm_target_flakey_config_t *tfc;  local
514 	tfc = table_en->target_config;
515 	if (tfc != NULL)
516 		secsize = tfc->pdev->pdev_secsize;