236 lofi_free_comp_cache(struct lofi_state *lsp)  in lofi_free_comp_cache()  argument
240 	while ((lc = list_remove_head(&lsp->ls_comp_cache)) != NULL) {  in lofi_free_comp_cache()
241 		kmem_free(lc->lc_data, lsp->ls_uncomp_seg_sz);  in lofi_free_comp_cache()
243 		lsp->ls_comp_cache_count--;  in lofi_free_comp_cache()
245 	ASSERT(lsp->ls_comp_cache_count == 0);  in lofi_free_comp_cache()
249 is_opened(struct lofi_state *lsp)  in is_opened()  argument
252 	return (lsp->ls_chr_open || lsp->ls_blk_open || lsp->ls_lyr_open_count);  in is_opened()
256 mark_opened(struct lofi_state *lsp, int otyp)  in mark_opened()  argument
261 		lsp->ls_chr_open = 1;  in mark_opened()
264 		lsp->ls_blk_open = 1;  in mark_opened()
267 		lsp->ls_lyr_open_count++;  in mark_opened()
276 mark_closed(struct lofi_state *lsp, int otyp)  in mark_closed()  argument
281 		lsp->ls_chr_open = 0;  in mark_closed()
284 		lsp->ls_blk_open = 0;  in mark_closed()
287 		lsp->ls_lyr_open_count--;  in mark_closed()
295 lofi_free_crypto(struct lofi_state *lsp)  in lofi_free_crypto()  argument
299 	if (lsp->ls_crypto_enabled) {  in lofi_free_crypto()
304 		if (lsp->ls_key.ck_data != NULL) {  in lofi_free_crypto()
305 			bzero(lsp->ls_key.ck_data,  in lofi_free_crypto()
306 			    CRYPTO_BITS2BYTES(lsp->ls_key.ck_length));  in lofi_free_crypto()
307 			kmem_free(lsp->ls_key.ck_data,  in lofi_free_crypto()
308 			    CRYPTO_BITS2BYTES(lsp->ls_key.ck_length));  in lofi_free_crypto()
309 			lsp->ls_key.ck_data = NULL;  in lofi_free_crypto()
310 			lsp->ls_key.ck_length = 0;  in lofi_free_crypto()
313 		if (lsp->ls_mech.cm_param != NULL) {  in lofi_free_crypto()
314 			kmem_free(lsp->ls_mech.cm_param,  in lofi_free_crypto()
315 			    lsp->ls_mech.cm_param_len);  in lofi_free_crypto()
316 			lsp->ls_mech.cm_param = NULL;  in lofi_free_crypto()
317 			lsp->ls_mech.cm_param_len = 0;  in lofi_free_crypto()
320 		if (lsp->ls_iv_mech.cm_param != NULL) {  in lofi_free_crypto()
321 			kmem_free(lsp->ls_iv_mech.cm_param,  in lofi_free_crypto()
322 			    lsp->ls_iv_mech.cm_param_len);  in lofi_free_crypto()
323 			lsp->ls_iv_mech.cm_param = NULL;  in lofi_free_crypto()
324 			lsp->ls_iv_mech.cm_param_len = 0;  in lofi_free_crypto()
327 		mutex_destroy(&lsp->ls_crypto_lock);  in lofi_free_crypto()
332 lofi_destroy(struct lofi_state *lsp, cred_t *credp)  in lofi_destroy()  argument
334 	minor_t minor = getminor(lsp->ls_dev);  in lofi_destroy()
339 	list_remove(&lofi_list, lsp);  in lofi_destroy()
341 	lofi_free_crypto(lsp);  in lofi_destroy()
346 	if (lsp->ls_comp_bufs != NULL) {  in lofi_destroy()
348 			if (lsp->ls_comp_bufs[i].bufsize > 0)  in lofi_destroy()
349 				kmem_free(lsp->ls_comp_bufs[i].buf,  in lofi_destroy()
350 				    lsp->ls_comp_bufs[i].bufsize);  in lofi_destroy()
352 		kmem_free(lsp->ls_comp_bufs,  in lofi_destroy()
356 	(void) VOP_CLOSE(lsp->ls_vp, lsp->ls_openflag,  in lofi_destroy()
358 	VN_RELE(lsp->ls_vp);  in lofi_destroy()
359 	if (lsp->ls_stacked_vp != lsp->ls_vp)  in lofi_destroy()
360 		VN_RELE(lsp->ls_stacked_vp);  in lofi_destroy()
362 	taskq_destroy(lsp->ls_taskq);  in lofi_destroy()
364 	if (lsp->ls_kstat != NULL)  in lofi_destroy()
365 		kstat_delete(lsp->ls_kstat);  in lofi_destroy()
370 	lofi_free_comp_cache(lsp);  in lofi_destroy()
371 	list_destroy(&lsp->ls_comp_cache);  in lofi_destroy()
373 	if (lsp->ls_uncomp_seg_sz > 0) {  in lofi_destroy()
374 		kmem_free(lsp->ls_comp_index_data, lsp->ls_comp_index_data_sz);  in lofi_destroy()
375 		lsp->ls_uncomp_seg_sz = 0;  in lofi_destroy()
378 	rctl_decr_lofi(lsp->ls_zone.zref_zone, 1);  in lofi_destroy()
379 	zone_rele_ref(&lsp->ls_zone, ZONE_REF_LOFI);  in lofi_destroy()
381 	mutex_destroy(&lsp->ls_comp_cache_lock);  in lofi_destroy()
382 	mutex_destroy(&lsp->ls_comp_bufs_lock);  in lofi_destroy()
383 	mutex_destroy(&lsp->ls_kstat_lock);  in lofi_destroy()
384 	mutex_destroy(&lsp->ls_vp_lock);  in lofi_destroy()
386 	ASSERT(ddi_get_soft_state(lofi_statep, minor) == lsp);  in lofi_destroy()
413 	struct lofi_state *lsp;  in lofi_zone_shutdown()  local
418 	for (lsp = list_head(&lofi_list); lsp != NULL; lsp = next) {  in lofi_zone_shutdown()
421 		next = list_next(&lofi_list, lsp);  in lofi_zone_shutdown()
423 		if (lsp->ls_zone.zref_zone->zone_id != zoneid)  in lofi_zone_shutdown()
432 		if (is_opened(lsp)) {  in lofi_zone_shutdown()
433 			lsp->ls_cleanup = 1;  in lofi_zone_shutdown()
435 			lofi_free_dev(lsp->ls_dev);  in lofi_zone_shutdown()
436 			lofi_destroy(lsp, kcred);  in lofi_zone_shutdown()
448 	struct lofi_state *lsp;  in lofi_open()  local
467 	lsp = ddi_get_soft_state(lofi_statep, minor);  in lofi_open()
468 	if (lsp == NULL) {  in lofi_open()
473 	if (lsp->ls_vp == NULL) {  in lofi_open()
478 	if (lsp->ls_readonly && (flag & FWRITE)) {  in lofi_open()
483 	if (mark_opened(lsp, otyp) == -1) {  in lofi_open()
497 	struct lofi_state *lsp;  in lofi_close()  local
501 	lsp = ddi_get_soft_state(lofi_statep, minor);  in lofi_close()
502 	if (lsp == NULL) {  in lofi_close()
512 	mark_closed(lsp, otyp);  in lofi_close()
519 	if (!is_opened(lsp) && (lsp->ls_cleanup || lsp->ls_vp == NULL)) {  in lofi_close()
520 		lofi_free_dev(lsp->ls_dev);  in lofi_close()
521 		lofi_destroy(lsp, credp);  in lofi_close()
536 lofi_blk_mech(struct lofi_state *lsp, longlong_t lblkno)  in lofi_blk_mech()  argument
546 	ASSERT(MUTEX_HELD(&lsp->ls_crypto_lock));  in lofi_blk_mech()
548 	if (lsp == NULL)  in lofi_blk_mech()
552 	if (lsp->ls_iv_type == IVM_NONE) {  in lofi_blk_mech()
560 	if (lsp->ls_mech.cm_param == NULL ||  in lofi_blk_mech()
561 	    lsp->ls_mech.cm_param_len != lsp->ls_iv_len) {  in lofi_blk_mech()
562 		iv_len = lsp->ls_iv_len;  in lofi_blk_mech()
565 		iv_len = lsp->ls_mech.cm_param_len;  in lofi_blk_mech()
566 		iv = lsp->ls_mech.cm_param;  in lofi_blk_mech()
570 	switch (lsp->ls_iv_type) {  in lofi_blk_mech()
593 	ret = crypto_encrypt(&lsp->ls_iv_mech, &cdata, &lsp->ls_key,  in lofi_blk_mech()
598 		if (lsp->ls_mech.cm_param != iv)  in lofi_blk_mech()
605 	if (lsp->ls_mech.cm_param != NULL && lsp->ls_mech.cm_param != iv)  in lofi_blk_mech()
606 		kmem_free(lsp->ls_mech.cm_param, lsp->ls_mech.cm_param_len);  in lofi_blk_mech()
608 	lsp->ls_mech.cm_param_len = iv_len;  in lofi_blk_mech()
609 	lsp->ls_mech.cm_param = iv;  in lofi_blk_mech()
620 lofi_crypto(struct lofi_state *lsp, struct buf *bp, caddr_t plaintext,  in lofi_crypto()  argument
628 	mutex_enter(&lsp->ls_crypto_lock);  in lofi_crypto()
642 		ret = lofi_blk_mech(lsp, lblkno);  in lofi_crypto()
647 			ret = crypto_encrypt(&lsp->ls_mech, &cdata,  in lofi_crypto()
648 			    &lsp->ls_key, NULL,  in lofi_crypto()
651 			ret = crypto_decrypt(&lsp->ls_mech, &cdata,  in lofi_crypto()
652 			    &lsp->ls_key, NULL,  in lofi_crypto()
662 	mutex_exit(&lsp->ls_crypto_lock);  in lofi_crypto()
678     struct lofi_state *lsp, size_t len, int method, caddr_t bcopy_locn)  in lofi_rdwr()  argument
697 			error = vn_rdwr(UIO_READ, lsp->ls_vp, bufaddr, len,  in lofi_rdwr()
702 		if (lsp->ls_crypto_enabled && error == 0) {  in lofi_rdwr()
703 			if (lofi_crypto(lsp, bp, bufaddr, NULL, len,  in lofi_rdwr()
719 		if (lsp->ls_crypto_enabled) {  in lofi_rdwr()
722 			if (lofi_crypto(lsp, bp, bufaddr, iobuf, len,  in lofi_rdwr()
735 			error = vn_rdwr(UIO_WRITE, lsp->ls_vp, iobuf, len,  in lofi_rdwr()
740 		if (lsp->ls_crypto_enabled) {  in lofi_rdwr()
749     struct lofi_state *lsp)  in lofi_mapped_rdwr()  argument
765 	if (lsp->ls_crypto_enabled)  in lofi_mapped_rdwr()
766 		ASSERT(lsp->ls_vp_comp_size == lsp->ls_vp_size);  in lofi_mapped_rdwr()
803 		xfersize = MIN(lsp->ls_vp_comp_size - offset,  in lofi_mapped_rdwr()
806 		mapaddr = segmap_getmapflt(segkmap, lsp->ls_vp,  in lofi_mapped_rdwr()
827 		error = lofi_rdwr(bufaddr, 0, bp, lsp, xfersize,  in lofi_mapped_rdwr()
863 	    (offset < lsp->ls_vp_comp_size));  in lofi_mapped_rdwr()
877 lofi_find_comp_data(struct lofi_state *lsp, uint64_t seg_index)  in lofi_find_comp_data()  argument
881 	ASSERT(MUTEX_HELD(&lsp->ls_comp_cache_lock));  in lofi_find_comp_data()
883 	for (lc = list_head(&lsp->ls_comp_cache); lc != NULL;  in lofi_find_comp_data()
884 	    lc = list_next(&lsp->ls_comp_cache, lc)) {  in lofi_find_comp_data()
893 			list_remove(&lsp->ls_comp_cache, lc);  in lofi_find_comp_data()
894 			list_insert_head(&lsp->ls_comp_cache, lc);  in lofi_find_comp_data()
910 lofi_add_comp_data(struct lofi_state *lsp, uint64_t seg_index,  in lofi_add_comp_data()  argument
915 	ASSERT(MUTEX_HELD(&lsp->ls_comp_cache_lock));  in lofi_add_comp_data()
917 	while (lsp->ls_comp_cache_count > lofi_max_comp_cache) {  in lofi_add_comp_data()
918 		lc = list_remove_tail(&lsp->ls_comp_cache);  in lofi_add_comp_data()
920 		kmem_free(lc->lc_data, lsp->ls_uncomp_seg_sz);  in lofi_add_comp_data()
922 		lsp->ls_comp_cache_count--;  in lofi_add_comp_data()
940 	if (lsp->ls_comp_cache_count < lofi_max_comp_cache) {  in lofi_add_comp_data()
943 		list_insert_head(&lsp->ls_comp_cache, lc);  in lofi_add_comp_data()
944 		lsp->ls_comp_cache_count++;  in lofi_add_comp_data()
946 		lc = list_remove_tail(&lsp->ls_comp_cache);  in lofi_add_comp_data()
949 		list_insert_head(&lsp->ls_comp_cache, lc);  in lofi_add_comp_data()
957 		kmem_free(lc->lc_data, lsp->ls_uncomp_seg_sz);  in lofi_add_comp_data()
1009 	struct lofi_state *lsp;  in lofi_strategy_task()  local
1016 	lsp = ddi_get_soft_state(lofi_statep, getminor(bp->b_edev));  in lofi_strategy_task()
1017 	if (lsp == NULL) {  in lofi_strategy_task()
1021 	if (lsp->ls_kstat) {  in lofi_strategy_task()
1022 		mutex_enter(lsp->ls_kstat->ks_lock);  in lofi_strategy_task()
1023 		kstat_waitq_to_runq(KSTAT_IO_PTR(lsp->ls_kstat));  in lofi_strategy_task()
1024 		mutex_exit(lsp->ls_kstat->ks_lock);  in lofi_strategy_task()
1029 	if (lsp->ls_crypto_enabled) {  in lofi_strategy_task()
1031 		offset += lsp->ls_crypto_offset;  in lofi_strategy_task()
1036 	if (lsp->ls_vp == NULL || lsp->ls_vp_closereq) {  in lofi_strategy_task()
1056 	if ((lsp->ls_vp->v_flag & VNOMAP) || (lsp->ls_vp->v_type == VCHR) ||  in lofi_strategy_task()
1057 	    lsp->ls_crypto_enabled) {  in lofi_strategy_task()
1058 		error = lofi_rdwr(bufaddr, offset, bp, lsp, len, RDWR_RAW,  in lofi_strategy_task()
1060 	} else if (lsp->ls_uncomp_seg_sz == 0) {  in lofi_strategy_task()
1061 		error = lofi_mapped_rdwr(bufaddr, offset, bp, lsp);  in lofi_strategy_task()
1081 		ASSERT(!lsp->ls_crypto_enabled);  in lofi_strategy_task()
1093 		ASSERT(lsp->ls_comp_algorithm_index >= 0);  in lofi_strategy_task()
1094 		li = &lofi_compress_table[lsp->ls_comp_algorithm_index];  in lofi_strategy_task()
1101 		sblkno = offset >> lsp->ls_comp_seg_shift;  in lofi_strategy_task()
1102 		sblkoff = offset & (lsp->ls_uncomp_seg_sz - 1);  in lofi_strategy_task()
1103 		eblkno = (offset + bp->b_bcount) >> lsp->ls_comp_seg_shift;  in lofi_strategy_task()
1104 		eblkoff = (offset + bp->b_bcount) & (lsp->ls_uncomp_seg_sz - 1);  in lofi_strategy_task()
1119 			mutex_enter(&lsp->ls_comp_cache_lock);  in lofi_strategy_task()
1120 			lc = lofi_find_comp_data(lsp, sblkno);  in lofi_strategy_task()
1128 				mutex_exit(&lsp->ls_comp_cache_lock);  in lofi_strategy_task()
1133 			mutex_exit(&lsp->ls_comp_cache_lock);  in lofi_strategy_task()
1139 		salign = lsp->ls_comp_seg_index[sblkno];  in lofi_strategy_task()
1142 		if (eblkno >= (lsp->ls_comp_index_sz - 1)) {  in lofi_strategy_task()
1150 			    (lsp->ls_uncomp_last_seg_sz - 1);  in lofi_strategy_task()
1151 			ealign = lsp->ls_vp_comp_size;  in lofi_strategy_task()
1153 			ealign = lsp->ls_comp_seg_index[eblkno + 1];  in lofi_strategy_task()
1172 		mutex_enter(&lsp->ls_comp_bufs_lock);  in lofi_strategy_task()
1174 			if (lsp->ls_comp_bufs[j].inuse == 0) {  in lofi_strategy_task()
1175 				lsp->ls_comp_bufs[j].inuse = 1;  in lofi_strategy_task()
1180 		mutex_exit(&lsp->ls_comp_bufs_lock);  in lofi_strategy_task()
1188 		if (lsp->ls_comp_bufs[j].bufsize < bp->b_bcount) {  in lofi_strategy_task()
1189 			if (lsp->ls_comp_bufs[j].bufsize > 0)  in lofi_strategy_task()
1190 				kmem_free(lsp->ls_comp_bufs[j].buf,  in lofi_strategy_task()
1191 				    lsp->ls_comp_bufs[j].bufsize);  in lofi_strategy_task()
1192 			lsp->ls_comp_bufs[j].buf = kmem_alloc(bp->b_bcount,  in lofi_strategy_task()
1194 			lsp->ls_comp_bufs[j].bufsize = bp->b_bcount;  in lofi_strategy_task()
1196 		compressed_seg = lsp->ls_comp_bufs[j].buf;  in lofi_strategy_task()
1202 		    bp, lsp);  in lofi_strategy_task()
1214 			ASSERT(i < lsp->ls_comp_index_sz - 1);  in lofi_strategy_task()
1222 			if (i == (lsp->ls_comp_index_sz - 2)) {  in lofi_strategy_task()
1223 				seglen = lsp->ls_uncomp_last_seg_sz;  in lofi_strategy_task()
1225 				seglen = lsp->ls_uncomp_seg_sz;  in lofi_strategy_task()
1236 			cmpbytes = lsp->ls_comp_seg_index[i + 1] -  in lofi_strategy_task()
1237 			    lsp->ls_comp_seg_index[i];  in lofi_strategy_task()
1258 					    kmem_alloc(lsp->ls_uncomp_seg_sz,  in lofi_strategy_task()
1275 			xfersize = lsp->ls_uncomp_seg_sz - sblkoff;  in lofi_strategy_task()
1277 				xfersize -= (lsp->ls_uncomp_seg_sz - eblkoff);  in lofi_strategy_task()
1304 		mutex_enter(&lsp->ls_comp_cache_lock);  in lofi_strategy_task()
1305 		if ((lc = lofi_add_comp_data(lsp, uncompressed_seg_index,  in lofi_strategy_task()
1309 		mutex_exit(&lsp->ls_comp_cache_lock);  in lofi_strategy_task()
1313 			mutex_enter(&lsp->ls_comp_bufs_lock);  in lofi_strategy_task()
1314 			lsp->ls_comp_bufs[j].inuse = 0;  in lofi_strategy_task()
1315 			mutex_exit(&lsp->ls_comp_bufs_lock);  in lofi_strategy_task()
1318 			kmem_free(uncompressed_seg, lsp->ls_uncomp_seg_sz);  in lofi_strategy_task()
1322 		error = VOP_FSYNC(lsp->ls_vp, syncflag, kcred, NULL);  in lofi_strategy_task()
1325 	if (bufinited && lsp->ls_kstat) {  in lofi_strategy_task()
1329 		mutex_enter(lsp->ls_kstat->ks_lock);  in lofi_strategy_task()
1330 		kioptr = KSTAT_IO_PTR(lsp->ls_kstat);  in lofi_strategy_task()
1339 		mutex_exit(lsp->ls_kstat->ks_lock);  in lofi_strategy_task()
1342 	mutex_enter(&lsp->ls_vp_lock);  in lofi_strategy_task()
1343 	if (--lsp->ls_vp_iocount == 0)  in lofi_strategy_task()
1344 		cv_broadcast(&lsp->ls_vp_cv);  in lofi_strategy_task()
1345 	mutex_exit(&lsp->ls_vp_lock);  in lofi_strategy_task()
1354 	struct lofi_state *lsp;  in lofi_strategy()  local
1368 	lsp = ddi_get_soft_state(lofi_statep, getminor(bp->b_edev));  in lofi_strategy()
1369 	if (lsp == NULL) {  in lofi_strategy()
1375 	mutex_enter(&lsp->ls_vp_lock);  in lofi_strategy()
1376 	if (lsp->ls_vp == NULL || lsp->ls_vp_closereq) {  in lofi_strategy()
1379 		mutex_exit(&lsp->ls_vp_lock);  in lofi_strategy()
1384 	if (lsp->ls_crypto_enabled) {  in lofi_strategy()
1386 		offset += lsp->ls_crypto_offset;  in lofi_strategy()
1388 	if (offset == lsp->ls_vp_size) {  in lofi_strategy()
1398 		mutex_exit(&lsp->ls_vp_lock);  in lofi_strategy()
1401 	if (offset > lsp->ls_vp_size) {  in lofi_strategy()
1404 		mutex_exit(&lsp->ls_vp_lock);  in lofi_strategy()
1407 	lsp->ls_vp_iocount++;  in lofi_strategy()
1408 	mutex_exit(&lsp->ls_vp_lock);  in lofi_strategy()
1410 	if (lsp->ls_kstat) {  in lofi_strategy()
1411 		mutex_enter(lsp->ls_kstat->ks_lock);  in lofi_strategy()
1412 		kstat_waitq_enter(KSTAT_IO_PTR(lsp->ls_kstat));  in lofi_strategy()
1413 		mutex_exit(lsp->ls_kstat->ks_lock);  in lofi_strategy()
1415 	(void) taskq_dispatch(lsp->ls_taskq, lofi_strategy_task, bp, KM_SLEEP);  in lofi_strategy()
1617 lofi_access(struct lofi_state *lsp)  in lofi_access()  argument
1620 	if (INGLOBALZONE(curproc) || lsp->ls_zone.zref_zone == curzone)  in lofi_access()
1633 	struct lofi_state *lsp;  in file_to_lofi_nocheck()  local
1653 	for (lsp = list_head(&lofi_list); lsp != NULL;  in file_to_lofi_nocheck()
1654 	    lsp = list_next(&lofi_list, lsp)) {  in file_to_lofi_nocheck()
1655 		if (lsp->ls_vp == vp) {  in file_to_lofi_nocheck()
1657 				*lspp = lsp;  in file_to_lofi_nocheck()
1658 			if (lsp->ls_readonly) {  in file_to_lofi_nocheck()
1717 fake_disk_geometry(struct lofi_state *lsp)  in fake_disk_geometry()  argument
1719 	u_offset_t dsize = lsp->ls_vp_size - lsp->ls_crypto_offset;  in fake_disk_geometry()
1734 		lsp->ls_dkg.dkg_ncyl = dsize / (100 * 1024);  in fake_disk_geometry()
1736 		lsp->ls_dkg.dkg_ncyl = dsize / (300 * 1024);  in fake_disk_geometry()
1738 	if (lsp->ls_dkg.dkg_ncyl == 0)  in fake_disk_geometry()
1739 		lsp->ls_dkg.dkg_ncyl = 1;  in fake_disk_geometry()
1740 	lsp->ls_dkg.dkg_acyl = 0;  in fake_disk_geometry()
1741 	lsp->ls_dkg.dkg_bcyl = 0;  in fake_disk_geometry()
1742 	lsp->ls_dkg.dkg_nhead = 1;  in fake_disk_geometry()
1743 	lsp->ls_dkg.dkg_obs1 = 0;  in fake_disk_geometry()
1744 	lsp->ls_dkg.dkg_intrlv = 0;  in fake_disk_geometry()
1745 	lsp->ls_dkg.dkg_obs2 = 0;  in fake_disk_geometry()
1746 	lsp->ls_dkg.dkg_obs3 = 0;  in fake_disk_geometry()
1747 	lsp->ls_dkg.dkg_apc = 0;  in fake_disk_geometry()
1748 	lsp->ls_dkg.dkg_rpm = 7200;  in fake_disk_geometry()
1749 	lsp->ls_dkg.dkg_pcyl = lsp->ls_dkg.dkg_ncyl + lsp->ls_dkg.dkg_acyl;  in fake_disk_geometry()
1750 	lsp->ls_dkg.dkg_nsect = dsize / (DEV_BSIZE * lsp->ls_dkg.dkg_ncyl);  in fake_disk_geometry()
1751 	lsp->ls_dkg.dkg_write_reinstruct = 0;  in fake_disk_geometry()
1752 	lsp->ls_dkg.dkg_read_reinstruct = 0;  in fake_disk_geometry()
1755 	bzero(&lsp->ls_vtoc, sizeof (struct vtoc));  in fake_disk_geometry()
1756 	lsp->ls_vtoc.v_sanity = VTOC_SANE;  in fake_disk_geometry()
1757 	lsp->ls_vtoc.v_version = V_VERSION;  in fake_disk_geometry()
1758 	(void) strncpy(lsp->ls_vtoc.v_volume, LOFI_DRIVER_NAME,  in fake_disk_geometry()
1759 	    sizeof (lsp->ls_vtoc.v_volume));  in fake_disk_geometry()
1760 	lsp->ls_vtoc.v_sectorsz = DEV_BSIZE;  in fake_disk_geometry()
1761 	lsp->ls_vtoc.v_nparts = 1;  in fake_disk_geometry()
1762 	lsp->ls_vtoc.v_part[0].p_tag = V_UNASSIGNED;  in fake_disk_geometry()
1768 	if (lsp->ls_uncomp_seg_sz > 0) {  in fake_disk_geometry()
1769 		lsp->ls_vtoc.v_part[0].p_flag = V_UNMNT | V_RONLY;  in fake_disk_geometry()
1771 		lsp->ls_vtoc.v_part[0].p_flag = V_UNMNT;  in fake_disk_geometry()
1773 	lsp->ls_vtoc.v_part[0].p_start = (daddr_t)0;  in fake_disk_geometry()
1780 	lsp->ls_vtoc.v_part[0].p_size = lsp->ls_dkg.dkg_pcyl *  in fake_disk_geometry()
1781 	    lsp->ls_dkg.dkg_nsect * lsp->ls_dkg.dkg_nhead;  in fake_disk_geometry()
1784 	bzero(&lsp->ls_ci, sizeof (struct dk_cinfo));  in fake_disk_geometry()
1785 	(void) strcpy(lsp->ls_ci.dki_cname, LOFI_DRIVER_NAME);  in fake_disk_geometry()
1786 	lsp->ls_ci.dki_ctype = DKC_MD;  in fake_disk_geometry()
1787 	lsp->ls_ci.dki_flags = 0;  in fake_disk_geometry()
1788 	lsp->ls_ci.dki_cnum = 0;  in fake_disk_geometry()
1789 	lsp->ls_ci.dki_addr = 0;  in fake_disk_geometry()
1790 	lsp->ls_ci.dki_space = 0;  in fake_disk_geometry()
1791 	lsp->ls_ci.dki_prio = 0;  in fake_disk_geometry()
1792 	lsp->ls_ci.dki_vec = 0;  in fake_disk_geometry()
1793 	(void) strcpy(lsp->ls_ci.dki_dname, LOFI_DRIVER_NAME);  in fake_disk_geometry()
1794 	lsp->ls_ci.dki_unit = 0;  in fake_disk_geometry()
1795 	lsp->ls_ci.dki_slave = 0;  in fake_disk_geometry()
1796 	lsp->ls_ci.dki_partition = 0;  in fake_disk_geometry()
1803 	lsp->ls_ci.dki_maxtransfer = 16;  in fake_disk_geometry()
1823 lofi_map_compressed_file(struct lofi_state *lsp, char *buf)  in lofi_map_compressed_file()  argument
1832 	tbuf += sizeof (lsp->ls_comp_algorithm);  in lofi_map_compressed_file()
1833 	bcopy(tbuf, &(lsp->ls_uncomp_seg_sz), sizeof (lsp->ls_uncomp_seg_sz));  in lofi_map_compressed_file()
1834 	lsp->ls_uncomp_seg_sz = ntohl(lsp->ls_uncomp_seg_sz);  in lofi_map_compressed_file()
1839 	if (lsp->ls_uncomp_seg_sz < DEV_BSIZE ||  in lofi_map_compressed_file()
1840 	    !ISP2(lsp->ls_uncomp_seg_sz))  in lofi_map_compressed_file()
1843 	for (i = 0; !((lsp->ls_uncomp_seg_sz >> i) & 1); i++)  in lofi_map_compressed_file()
1846 	lsp->ls_comp_seg_shift = i;  in lofi_map_compressed_file()
1848 	tbuf += sizeof (lsp->ls_uncomp_seg_sz);  in lofi_map_compressed_file()
1849 	bcopy(tbuf, &(lsp->ls_comp_index_sz), sizeof (lsp->ls_comp_index_sz));  in lofi_map_compressed_file()
1850 	lsp->ls_comp_index_sz = ntohl(lsp->ls_comp_index_sz);  in lofi_map_compressed_file()
1852 	tbuf += sizeof (lsp->ls_comp_index_sz);  in lofi_map_compressed_file()
1853 	bcopy(tbuf, &(lsp->ls_uncomp_last_seg_sz),  in lofi_map_compressed_file()
1854 	    sizeof (lsp->ls_uncomp_last_seg_sz));  in lofi_map_compressed_file()
1855 	lsp->ls_uncomp_last_seg_sz = ntohl(lsp->ls_uncomp_last_seg_sz);  in lofi_map_compressed_file()
1864 	lsp->ls_vp_size =  in lofi_map_compressed_file()
1865 	    (u_offset_t)(lsp->ls_comp_index_sz - 2) * lsp->ls_uncomp_seg_sz  in lofi_map_compressed_file()
1866 	    + lsp->ls_uncomp_last_seg_sz;  in lofi_map_compressed_file()
1872 	index_sz = sizeof (*lsp->ls_comp_seg_index) * lsp->ls_comp_index_sz;  in lofi_map_compressed_file()
1873 	header_len = sizeof (lsp->ls_comp_algorithm) +  in lofi_map_compressed_file()
1874 	    sizeof (lsp->ls_uncomp_seg_sz) +  in lofi_map_compressed_file()
1875 	    sizeof (lsp->ls_comp_index_sz) +  in lofi_map_compressed_file()
1876 	    sizeof (lsp->ls_uncomp_last_seg_sz);  in lofi_map_compressed_file()
1877 	lsp->ls_comp_offbase = header_len + index_sz;  in lofi_map_compressed_file()
1882 	lsp->ls_comp_index_data = kmem_alloc(index_sz, KM_SLEEP);  in lofi_map_compressed_file()
1883 	lsp->ls_comp_index_data_sz = index_sz;  in lofi_map_compressed_file()
1890 	error = vn_rdwr(rw, lsp->ls_vp, lsp->ls_comp_index_data, index_sz,  in lofi_map_compressed_file()
1897 	lsp->ls_comp_seg_index =  in lofi_map_compressed_file()
1899 	    (uint64_t *)(lsp->ls_comp_index_data + header_len);  in lofi_map_compressed_file()
1905 	for (i = 0; i < lsp->ls_comp_index_sz; i++) {  in lofi_map_compressed_file()
1906 		lsp->ls_comp_seg_index[i] = lsp->ls_comp_offbase +  in lofi_map_compressed_file()
1907 		    BE_64(lsp->ls_comp_seg_index[i]);  in lofi_map_compressed_file()
1914 lofi_init_crypto(struct lofi_state *lsp, struct lofi_ioctl *klip)  in lofi_init_crypto()  argument
1936 	lsp->ls_crypto_enabled = klip->li_crypto_enabled;  in lofi_init_crypto()
1938 	mutex_init(&lsp->ls_crypto_lock, NULL, MUTEX_DRIVER, NULL);  in lofi_init_crypto()
1940 	lsp->ls_mech.cm_type = crypto_mech2id(klip->li_cipher);  in lofi_init_crypto()
1941 	if (lsp->ls_mech.cm_type == CRYPTO_MECH_INVALID) {  in lofi_init_crypto()
1948 	lsp->ls_mech.cm_param = NULL;  in lofi_init_crypto()
1949 	lsp->ls_mech.cm_param_len = 0;  in lofi_init_crypto()
1951 	lsp->ls_iv_type = klip->li_iv_type;  in lofi_init_crypto()
1952 	lsp->ls_iv_mech.cm_type = crypto_mech2id(klip->li_iv_cipher);  in lofi_init_crypto()
1953 	if (lsp->ls_iv_mech.cm_type == CRYPTO_MECH_INVALID) {  in lofi_init_crypto()
1960 	lsp->ls_iv_mech.cm_param = NULL;  in lofi_init_crypto()
1961 	lsp->ls_iv_mech.cm_param_len = 0;  in lofi_init_crypto()
1962 	lsp->ls_iv_len = klip->li_iv_len;  in lofi_init_crypto()
1968 	lsp->ls_key.ck_format = CRYPTO_KEY_RAW;  in lofi_init_crypto()
1969 	lsp->ls_key.ck_length = klip->li_key_len;  in lofi_init_crypto()
1970 	lsp->ls_key.ck_data = kmem_alloc(  in lofi_init_crypto()
1971 	    CRYPTO_BITS2BYTES(lsp->ls_key.ck_length), KM_SLEEP);  in lofi_init_crypto()
1972 	bcopy(klip->li_key, lsp->ls_key.ck_data,  in lofi_init_crypto()
1973 	    CRYPTO_BITS2BYTES(lsp->ls_key.ck_length));  in lofi_init_crypto()
1975 	ret = crypto_key_check(&lsp->ls_mech, &lsp->ls_key);  in lofi_init_crypto()
1983 	error = vn_rdwr(UIO_READ, lsp->ls_vp, buf, DEV_BSIZE,  in lofi_init_crypto()
2005 		bcopy(marker, lsp->ls_crypto.magic,  in lofi_init_crypto()
2006 		    sizeof (lsp->ls_crypto.magic));  in lofi_init_crypto()
2007 		marker += sizeof (lsp->ls_crypto.magic);  in lofi_init_crypto()
2010 		bcopy(marker, &(lsp->ls_crypto.version),  in lofi_init_crypto()
2011 		    sizeof (lsp->ls_crypto.version));  in lofi_init_crypto()
2012 		lsp->ls_crypto.version = ntohs(lsp->ls_crypto.version);  in lofi_init_crypto()
2013 		marker += sizeof (lsp->ls_crypto.version);  in lofi_init_crypto()
2016 		bcopy(marker, lsp->ls_crypto.reserved1,  in lofi_init_crypto()
2017 		    sizeof (lsp->ls_crypto.reserved1));  in lofi_init_crypto()
2018 		marker += sizeof (lsp->ls_crypto.reserved1);  in lofi_init_crypto()
2021 		bcopy(marker, &(lsp->ls_crypto.data_sector),  in lofi_init_crypto()
2022 		    sizeof (lsp->ls_crypto.data_sector));  in lofi_init_crypto()
2023 		lsp->ls_crypto.data_sector = ntohl(lsp->ls_crypto.data_sector);  in lofi_init_crypto()
2024 		marker += sizeof (lsp->ls_crypto.data_sector);  in lofi_init_crypto()
2028 		lsp->ls_crypto_offset = lsp->ls_crypto.data_sector * DEV_BSIZE;  in lofi_init_crypto()
2053 	error = vn_rdwr(UIO_WRITE, lsp->ls_vp, buf, DEV_BSIZE,  in lofi_init_crypto()
2059 	bcopy(lofi_crypto_magic, lsp->ls_crypto.magic,  in lofi_init_crypto()
2061 	lsp->ls_crypto.version = LOFI_CRYPTO_VERSION;  in lofi_init_crypto()
2062 	lsp->ls_crypto.data_sector = LOFI_CRYPTO_DATA_SECTOR;  in lofi_init_crypto()
2063 	lsp->ls_crypto_offset = lsp->ls_crypto.data_sector * DEV_BSIZE;  in lofi_init_crypto()
2087 lofi_init_compress(struct lofi_state *lsp)  in lofi_init_compress()  argument
2094 	error = vn_rdwr(UIO_READ, lsp->ls_vp, buf, DEV_BSIZE, 0, UIO_SYSSPACE,  in lofi_init_compress()
2104 	if (lsp->ls_crypto_enabled)  in lofi_init_compress()
2108 	lsp->ls_comp_algorithm_index = compress_index;  in lofi_init_compress()
2109 	(void) strlcpy(lsp->ls_comp_algorithm,  in lofi_init_compress()
2111 	    sizeof (lsp->ls_comp_algorithm));  in lofi_init_compress()
2114 	lsp->ls_comp_bufs = kmem_zalloc(lofi_taskq_nthreads *  in lofi_init_compress()
2117 	return (lofi_map_compressed_file(lsp, buf));  in lofi_init_compress()
2128 	struct lofi_state *lsp = NULL;  in lofi_map_file()  local
2210 	lsp = ddi_get_soft_state(lofi_statep, minor);  in lofi_map_file()
2211 	list_insert_tail(&lofi_list, lsp);  in lofi_map_file()
2214 	lsp->ls_dev = newdev;  in lofi_map_file()
2215 	zone_init_ref(&lsp->ls_zone);  in lofi_map_file()
2216 	zone_hold_ref(curzone, &lsp->ls_zone, ZONE_REF_LOFI);  in lofi_map_file()
2217 	lsp->ls_uncomp_seg_sz = 0;  in lofi_map_file()
2218 	lsp->ls_comp_algorithm[0] = '\0';  in lofi_map_file()
2219 	lsp->ls_crypto_offset = 0;  in lofi_map_file()
2221 	cv_init(&lsp->ls_vp_cv, NULL, CV_DRIVER, NULL);  in lofi_map_file()
2222 	mutex_init(&lsp->ls_comp_cache_lock, NULL, MUTEX_DRIVER, NULL);  in lofi_map_file()
2223 	mutex_init(&lsp->ls_comp_bufs_lock, NULL, MUTEX_DRIVER, NULL);  in lofi_map_file()
2224 	mutex_init(&lsp->ls_kstat_lock, NULL, MUTEX_DRIVER, NULL);  in lofi_map_file()
2225 	mutex_init(&lsp->ls_vp_lock, NULL, MUTEX_DRIVER, NULL);  in lofi_map_file()
2229 	lsp->ls_taskq = taskq_create_proc(namebuf, lofi_taskq_nthreads,  in lofi_map_file()
2232 	list_create(&lsp->ls_comp_cache, sizeof (struct lofi_comp_cache),  in lofi_map_file()
2239 	lsp->ls_openflag = flag;  in lofi_map_file()
2241 	lsp->ls_vp = vp;  in lofi_map_file()
2242 	lsp->ls_stacked_vp = vp;  in lofi_map_file()
2256 			lsp->ls_vp = realvp;  in lofi_map_file()
2260 	lsp->ls_vp_size = vattr.va_size;  in lofi_map_file()
2261 	lsp->ls_vp_comp_size = lsp->ls_vp_size;  in lofi_map_file()
2263 	lsp->ls_kstat = kstat_create_zone(LOFI_DRIVER_NAME, minor,  in lofi_map_file()
2266 	if (lsp->ls_kstat == NULL) {  in lofi_map_file()
2271 	lsp->ls_kstat->ks_lock = &lsp->ls_kstat_lock;  in lofi_map_file()
2272 	kstat_zone_add(lsp->ls_kstat, GLOBAL_ZONEID);  in lofi_map_file()
2274 	lsp->ls_readonly = klip->li_readonly;  in lofi_map_file()
2276 	if ((error = lofi_init_crypto(lsp, klip)) != 0)  in lofi_map_file()
2279 	if ((error = lofi_init_compress(lsp)) != 0)  in lofi_map_file()
2282 	fake_disk_geometry(lsp);  in lofi_map_file()
2308 	    lsp->ls_vp_size - lsp->ls_crypto_offset)) != DDI_PROP_SUCCESS) {  in lofi_map_file()
2314 	    (lsp->ls_vp_size - lsp->ls_crypto_offset) / DEV_BSIZE))  in lofi_map_file()
2326 	kstat_install(lsp->ls_kstat);  in lofi_map_file()
2340 	if (lsp != NULL) {  in lofi_map_file()
2341 		lofi_destroy(lsp, credp);  in lofi_map_file()
2366 	struct lofi_state *lsp;  in lofi_unmap_file()  local
2377 		    &lsp)) != 0) {  in lofi_unmap_file()
2386 		lsp = ddi_get_soft_state(lofi_statep, klip->li_minor);  in lofi_unmap_file()
2389 	if (lsp == NULL || lsp->ls_vp == NULL || lofi_access(lsp) != 0) {  in lofi_unmap_file()
2395 	klip->li_minor = getminor(lsp->ls_dev);  in lofi_unmap_file()
2419 	if (is_opened(lsp)) {  in lofi_unmap_file()
2421 			mutex_enter(&lsp->ls_vp_lock);  in lofi_unmap_file()
2422 			lsp->ls_vp_closereq = B_TRUE;  in lofi_unmap_file()
2424 			cv_broadcast(&lsp->ls_vp_cv);  in lofi_unmap_file()
2425 			while (lsp->ls_vp_iocount > 0)  in lofi_unmap_file()
2426 				cv_wait(&lsp->ls_vp_cv, &lsp->ls_vp_lock);  in lofi_unmap_file()
2427 			mutex_exit(&lsp->ls_vp_lock);  in lofi_unmap_file()
2431 			lsp->ls_cleanup = 1;  in lofi_unmap_file()
2443 	lofi_free_dev(lsp->ls_dev);  in lofi_unmap_file()
2444 	lofi_destroy(lsp, credp);  in lofi_unmap_file()
2462 	struct lofi_state *lsp;  in lofi_get_info()  local
2477 		lsp = ddi_get_soft_state(lofi_statep, klip->li_minor);  in lofi_get_info()
2478 		if (lsp == NULL || lofi_access(lsp) != 0) {  in lofi_get_info()
2488 		if (vnodetopath(NULL, lsp->ls_stacked_vp, klip->li_filename,  in lofi_get_info()
2494 		klip->li_readonly = lsp->ls_readonly;  in lofi_get_info()
2496 		(void) strlcpy(klip->li_algorithm, lsp->ls_comp_algorithm,  in lofi_get_info()
2498 		klip->li_crypto_enabled = lsp->ls_crypto_enabled;  in lofi_get_info()
2506 		    klip->li_readonly, &lsp);  in lofi_get_info()
2508 			klip->li_minor = getminor(lsp->ls_dev);  in lofi_get_info()
2519 		    klip->li_readonly, &lsp);  in lofi_get_info()
2526 		klip->li_minor = getminor(lsp->ls_dev);  in lofi_get_info()
2527 		(void) strlcpy(klip->li_algorithm, lsp->ls_comp_algorithm,  in lofi_get_info()
2546 	struct lofi_state *lsp;  in lofi_ioctl()  local
2595 			for (lsp = list_head(&lofi_list); lsp != NULL;  in lofi_ioctl()
2596 			    lsp = list_next(&lofi_list, lsp)) {  in lofi_ioctl()
2597 				if (lofi_access(lsp) != 0)  in lofi_ioctl()
2600 				if (getminor(lsp->ls_dev) > minor)  in lofi_ioctl()
2601 					minor = getminor(lsp->ls_dev);  in lofi_ioctl()
2621 	lsp = ddi_get_soft_state(lofi_statep, minor);  in lofi_ioctl()
2622 	if (lsp == NULL || lsp->ls_vp_closereq) {  in lofi_ioctl()
2632 	if (lsp->ls_vp == NULL && cmd != DKIOCSTATE)  in lofi_ioctl()
2642 			vtoctovtoc32(lsp->ls_vtoc, vtoc32);  in lofi_ioctl()
2650 			if (ddi_copyout(&lsp->ls_vtoc, (void *)arg,  in lofi_ioctl()
2657 		error = ddi_copyout(&lsp->ls_ci, (void *)arg,  in lofi_ioctl()
2665 		error = ddi_copyout(&lsp->ls_dkg, (void *)arg,  in lofi_ioctl()
2680 		mutex_enter(&lsp->ls_vp_lock);  in lofi_ioctl()
2681 		lsp->ls_vp_iocount++;  in lofi_ioctl()
2682 		while (((dkstate == DKIO_INSERTED && lsp->ls_vp != NULL) ||  in lofi_ioctl()
2683 		    (dkstate == DKIO_DEV_GONE && lsp->ls_vp == NULL)) &&  in lofi_ioctl()
2684 		    !lsp->ls_vp_closereq) {  in lofi_ioctl()
2689 			if (!cv_wait_sig(&lsp->ls_vp_cv,  in lofi_ioctl()
2690 			    &lsp->ls_vp_lock)) {  in lofi_ioctl()
2691 				lsp->ls_vp_iocount--;  in lofi_ioctl()
2692 				cv_broadcast(&lsp->ls_vp_cv);  in lofi_ioctl()
2693 				mutex_exit(&lsp->ls_vp_lock);  in lofi_ioctl()
2698 		dkstate = (!lsp->ls_vp_closereq && lsp->ls_vp != NULL ?  in lofi_ioctl()
2700 		lsp->ls_vp_iocount--;  in lofi_ioctl()
2701 		cv_broadcast(&lsp->ls_vp_cv);  in lofi_ioctl()
2702 		mutex_exit(&lsp->ls_vp_lock);  in lofi_ioctl()