ctl_tpc.c revision 270106
1/*-
2 * Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer,
10 *    without modification, immediately at the beginning of the file.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/10/sys/cam/ctl/ctl_tpc.c 270106 2014-08-17 18:22:42Z mav $");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/types.h>
34#include <sys/lock.h>
35#include <sys/module.h>
36#include <sys/mutex.h>
37#include <sys/condvar.h>
38#include <sys/malloc.h>
39#include <sys/conf.h>
40#include <sys/queue.h>
41#include <sys/sysctl.h>
42#include <machine/atomic.h>
43
44#include <cam/cam.h>
45#include <cam/scsi/scsi_all.h>
46#include <cam/scsi/scsi_da.h>
47#include <cam/ctl/ctl_io.h>
48#include <cam/ctl/ctl.h>
49#include <cam/ctl/ctl_frontend.h>
50#include <cam/ctl/ctl_frontend_internal.h>
51#include <cam/ctl/ctl_util.h>
52#include <cam/ctl/ctl_backend.h>
53#include <cam/ctl/ctl_ioctl.h>
54#include <cam/ctl/ctl_ha.h>
55#include <cam/ctl/ctl_private.h>
56#include <cam/ctl/ctl_debug.h>
57#include <cam/ctl/ctl_scsi_all.h>
58#include <cam/ctl/ctl_tpc.h>
59#include <cam/ctl/ctl_error.h>
60
61#define	TPC_MAX_CSCDS	64
62#define	TPC_MAX_SEGS	64
63#define	TPC_MAX_SEG	0
64#define	TPC_MAX_LIST	8192
65#define	TPC_MAX_INLINE	0
66#define	TPC_MAX_LISTS	255
67#define	TPC_MAX_IO_SIZE	(1024 * 1024)
68#define	TPC_MAX_IOCHUNK_SIZE	(TPC_MAX_IO_SIZE * 16)
69#define	TPC_MIN_TOKEN_TIMEOUT	1
70#define	TPC_DFL_TOKEN_TIMEOUT	60
71#define	TPC_MAX_TOKEN_TIMEOUT	600
72
73MALLOC_DEFINE(M_CTL_TPC, "ctltpc", "CTL TPC");
74
75typedef enum {
76	TPC_ERR_RETRY		= 0x000,
77	TPC_ERR_FAIL		= 0x001,
78	TPC_ERR_MASK		= 0x0ff,
79	TPC_ERR_NO_DECREMENT	= 0x100
80} tpc_error_action;
81
82struct tpc_list;
83TAILQ_HEAD(runl, tpc_io);
84struct tpc_io {
85	union ctl_io		*io;
86	uint64_t		 lun;
87	struct tpc_list		*list;
88	struct runl		 run;
89	TAILQ_ENTRY(tpc_io)	 rlinks;
90	TAILQ_ENTRY(tpc_io)	 links;
91};
92
93struct tpc_token {
94	uint8_t			 token[512];
95	uint64_t		 lun;
96	uint32_t		 blocksize;
97	uint8_t			*params;
98	struct scsi_range_desc	*range;
99	int			 nrange;
100	int			 active;
101	time_t			 last_active;
102	uint32_t		 timeout;
103	TAILQ_ENTRY(tpc_token)	 links;
104};
105
106struct tpc_list {
107	uint8_t			 service_action;
108	int			 init_port;
109	uint32_t		 init_idx;
110	uint32_t		 list_id;
111	uint8_t			 flags;
112	uint8_t			*params;
113	struct scsi_ec_cscd	*cscd;
114	struct scsi_ec_segment	*seg[TPC_MAX_SEGS];
115	uint8_t			*inl;
116	int			 ncscd;
117	int			 nseg;
118	int			 leninl;
119	struct tpc_token	*token;
120	struct scsi_range_desc	*range;
121	int			 nrange;
122	off_t			 offset_into_rod;
123
124	int			 curseg;
125	off_t			 cursectors;
126	off_t			 curbytes;
127	int			 curops;
128	int			 stage;
129	uint8_t			*buf;
130	off_t			 segsectors;
131	off_t			 segbytes;
132	int			 tbdio;
133	int			 error;
134	int			 abort;
135	int			 completed;
136	time_t			 last_active;
137	TAILQ_HEAD(, tpc_io)	 allio;
138	struct scsi_sense_data	 sense_data;
139	uint8_t			 sense_len;
140	uint8_t			 scsi_status;
141	struct ctl_scsiio	*ctsio;
142	struct ctl_lun		*lun;
143	int			 res_token_valid;
144	uint8_t			 res_token[512];
145	TAILQ_ENTRY(tpc_list)	 links;
146};
147
148extern struct ctl_softc *control_softc;
149
150static void
151tpc_timeout(void *arg)
152{
153	struct ctl_softc *softc = arg;
154	struct ctl_lun *lun;
155	struct tpc_token *token, *ttoken;
156	struct tpc_list *list, *tlist;
157
158	/* Free completed lists with expired timeout. */
159	STAILQ_FOREACH(lun, &softc->lun_list, links) {
160		mtx_lock(&lun->lun_lock);
161		TAILQ_FOREACH_SAFE(list, &lun->tpc_lists, links, tlist) {
162			if (!list->completed || time_uptime < list->last_active +
163			    TPC_DFL_TOKEN_TIMEOUT)
164				continue;
165			TAILQ_REMOVE(&lun->tpc_lists, list, links);
166			free(list, M_CTL);
167		}
168		mtx_unlock(&lun->lun_lock);
169	}
170
171	/* Free inactive ROD tokens with expired timeout. */
172	TAILQ_FOREACH_SAFE(token, &softc->tpc_tokens, links, ttoken) {
173		if (token->active ||
174		    time_uptime < token->last_active + token->timeout + 1)
175			continue;
176		TAILQ_REMOVE(&softc->tpc_tokens, token, links);
177		free(token->params, M_CTL);
178		free(token, M_CTL);
179	}
180	callout_schedule(&softc->tpc_timeout, hz);
181}
182
183void
184ctl_tpc_init(struct ctl_softc *softc)
185{
186
187	TAILQ_INIT(&softc->tpc_tokens);
188	callout_init_mtx(&softc->tpc_timeout, &softc->ctl_lock, 0);
189	callout_reset(&softc->tpc_timeout, hz, tpc_timeout, softc);
190}
191
192void
193ctl_tpc_shutdown(struct ctl_softc *softc)
194{
195	struct tpc_token *token;
196
197	callout_drain(&softc->tpc_timeout);
198
199	/* Free ROD tokens. */
200	mtx_lock(&softc->ctl_lock);
201	while ((token = TAILQ_FIRST(&softc->tpc_tokens)) != NULL) {
202		TAILQ_REMOVE(&softc->tpc_tokens, token, links);
203		free(token->params, M_CTL);
204		free(token, M_CTL);
205	}
206	mtx_unlock(&softc->ctl_lock);
207}
208
209void
210ctl_tpc_lun_init(struct ctl_lun *lun)
211{
212
213	TAILQ_INIT(&lun->tpc_lists);
214}
215
216void
217ctl_tpc_lun_shutdown(struct ctl_lun *lun)
218{
219	struct tpc_list *list;
220	struct tpc_token *token, *ttoken;
221
222	/* Free lists for this LUN. */
223	while ((list = TAILQ_FIRST(&lun->tpc_lists)) != NULL) {
224		TAILQ_REMOVE(&lun->tpc_lists, list, links);
225		KASSERT(list->completed,
226		    ("Not completed TPC (%p) on shutdown", list));
227		free(list, M_CTL);
228	}
229
230	/* Free ROD tokens for this LUN. */
231	mtx_lock(&control_softc->ctl_lock);
232	TAILQ_FOREACH_SAFE(token, &control_softc->tpc_tokens, links, ttoken) {
233		if (token->lun != lun->lun || token->active)
234			continue;
235		TAILQ_REMOVE(&control_softc->tpc_tokens, token, links);
236		free(token->params, M_CTL);
237		free(token, M_CTL);
238	}
239	mtx_unlock(&control_softc->ctl_lock);
240}
241
242int
243ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len)
244{
245	struct scsi_vpd_tpc *tpc_ptr;
246	struct scsi_vpd_tpc_descriptor *d_ptr;
247	struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr;
248	struct scsi_vpd_tpc_descriptor_sc *sc_ptr;
249	struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr;
250	struct scsi_vpd_tpc_descriptor_pd *pd_ptr;
251	struct scsi_vpd_tpc_descriptor_sd *sd_ptr;
252	struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr;
253	struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr;
254	struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr;
255	struct scsi_vpd_tpc_descriptor_srt *srt_ptr;
256	struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr;
257	struct scsi_vpd_tpc_descriptor_gco *gco_ptr;
258	struct ctl_lun *lun;
259	int data_len;
260
261	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
262
263	data_len = sizeof(struct scsi_vpd_tpc) +
264	    sizeof(struct scsi_vpd_tpc_descriptor_bdrl) +
265	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) +
266	     2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) +
267	    sizeof(struct scsi_vpd_tpc_descriptor_pd) +
268	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) +
269	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) +
270	    sizeof(struct scsi_vpd_tpc_descriptor_rtf) +
271	     sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) +
272	    sizeof(struct scsi_vpd_tpc_descriptor_srt) +
273	     2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) +
274	    sizeof(struct scsi_vpd_tpc_descriptor_gco);
275
276	ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
277	tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr;
278	ctsio->kern_sg_entries = 0;
279
280	if (data_len < alloc_len) {
281		ctsio->residual = alloc_len - data_len;
282		ctsio->kern_data_len = data_len;
283		ctsio->kern_total_len = data_len;
284	} else {
285		ctsio->residual = 0;
286		ctsio->kern_data_len = alloc_len;
287		ctsio->kern_total_len = alloc_len;
288	}
289	ctsio->kern_data_resid = 0;
290	ctsio->kern_rel_offset = 0;
291	ctsio->kern_sg_entries = 0;
292
293	/*
294	 * The control device is always connected.  The disk device, on the
295	 * other hand, may not be online all the time.
296	 */
297	if (lun != NULL)
298		tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
299				     lun->be_lun->lun_type;
300	else
301		tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
302	tpc_ptr->page_code = SVPD_SCSI_TPC;
303	scsi_ulto2b(data_len - 4, tpc_ptr->page_length);
304
305	/* Block Device ROD Limits */
306	d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0];
307	bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr;
308	scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type);
309	scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length);
310	scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges);
311	scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
312	    bdrl_ptr->maximum_inactivity_timeout);
313	scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT,
314	    bdrl_ptr->default_inactivity_timeout);
315	scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size);
316	scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count);
317
318	/* Supported commands */
319	d_ptr = (struct scsi_vpd_tpc_descriptor *)
320	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
321	sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr;
322	scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type);
323	sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11;
324	scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length);
325	scd_ptr = &sc_ptr->descr[0];
326	scd_ptr->opcode = EXTENDED_COPY;
327	scd_ptr->sa_length = 5;
328	scd_ptr->supported_service_actions[0] = EC_EC_LID1;
329	scd_ptr->supported_service_actions[1] = EC_EC_LID4;
330	scd_ptr->supported_service_actions[2] = EC_PT;
331	scd_ptr->supported_service_actions[3] = EC_WUT;
332	scd_ptr->supported_service_actions[4] = EC_COA;
333	scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *)
334	    &scd_ptr->supported_service_actions[scd_ptr->sa_length];
335	scd_ptr->opcode = RECEIVE_COPY_STATUS;
336	scd_ptr->sa_length = 6;
337	scd_ptr->supported_service_actions[0] = RCS_RCS_LID1;
338	scd_ptr->supported_service_actions[1] = RCS_RCFD;
339	scd_ptr->supported_service_actions[2] = RCS_RCS_LID4;
340	scd_ptr->supported_service_actions[3] = RCS_RCOP;
341	scd_ptr->supported_service_actions[4] = RCS_RRTI;
342	scd_ptr->supported_service_actions[5] = RCS_RART;
343
344	/* Parameter data. */
345	d_ptr = (struct scsi_vpd_tpc_descriptor *)
346	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
347	pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr;
348	scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type);
349	scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length);
350	scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count);
351	scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count);
352	scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length);
353	scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length);
354
355	/* Supported Descriptors */
356	d_ptr = (struct scsi_vpd_tpc_descriptor *)
357	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
358	sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr;
359	scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type);
360	scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length);
361	sd_ptr->list_length = 4;
362	sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B;
363	sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY;
364	sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY;
365	sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID;
366
367	/* Supported CSCD Descriptor IDs */
368	d_ptr = (struct scsi_vpd_tpc_descriptor *)
369	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
370	sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr;
371	scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type);
372	scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length);
373	scsi_ulto2b(2, sdid_ptr->list_length);
374	scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]);
375
376	/* ROD Token Features */
377	d_ptr = (struct scsi_vpd_tpc_descriptor *)
378	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
379	rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr;
380	scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type);
381	scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length);
382	rtf_ptr->remote_tokens = 0;
383	scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime);
384	scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime);
385	scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
386	    rtf_ptr->maximum_token_inactivity_timeout);
387	scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length);
388	rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *)
389	    &rtf_ptr->type_specific_features;
390	rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK;
391	scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length);
392	scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity);
393	scsi_u64to8b(0, rtfb_ptr->maximum_bytes);
394	scsi_u64to8b(0, rtfb_ptr->optimal_bytes);
395	scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
396	    rtfb_ptr->optimal_bytes_to_token_per_segment);
397	scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
398	    rtfb_ptr->optimal_bytes_from_token_per_segment);
399
400	/* Supported ROD Tokens */
401	d_ptr = (struct scsi_vpd_tpc_descriptor *)
402	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
403	srt_ptr = (struct scsi_vpd_tpc_descriptor_srt *)d_ptr;
404	scsi_ulto2b(SVPD_TPC_SRT, srt_ptr->desc_type);
405	scsi_ulto2b(sizeof(*srt_ptr) - 4 + 2*sizeof(*srtd_ptr), srt_ptr->desc_length);
406	scsi_ulto2b(2*sizeof(*srtd_ptr), srt_ptr->rod_type_descriptors_length);
407	srtd_ptr = (struct scsi_vpd_tpc_descriptor_srtd *)
408	    &srt_ptr->rod_type_descriptors;
409	scsi_ulto4b(ROD_TYPE_AUR, srtd_ptr->rod_type);
410	srtd_ptr->flags = SVPD_TPC_SRTD_TIN | SVPD_TPC_SRTD_TOUT;
411	scsi_ulto2b(0, srtd_ptr->preference_indicator);
412	srtd_ptr++;
413	scsi_ulto4b(ROD_TYPE_BLOCK_ZERO, srtd_ptr->rod_type);
414	srtd_ptr->flags = SVPD_TPC_SRTD_TIN;
415	scsi_ulto2b(0, srtd_ptr->preference_indicator);
416
417	/* General Copy Operations */
418	d_ptr = (struct scsi_vpd_tpc_descriptor *)
419	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
420	gco_ptr = (struct scsi_vpd_tpc_descriptor_gco *)d_ptr;
421	scsi_ulto2b(SVPD_TPC_GCO, gco_ptr->desc_type);
422	scsi_ulto2b(sizeof(*gco_ptr) - 4, gco_ptr->desc_length);
423	scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->total_concurrent_copies);
424	scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->maximum_identified_concurrent_copies);
425	scsi_ulto4b(TPC_MAX_SEG, gco_ptr->maximum_segment_length);
426	gco_ptr->data_segment_granularity = 0;
427	gco_ptr->inline_data_granularity = 0;
428
429	ctsio->scsi_status = SCSI_STATUS_OK;
430	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
431	ctsio->be_move_done = ctl_config_move_done;
432	ctl_datamove((union ctl_io *)ctsio);
433
434	return (CTL_RETVAL_COMPLETE);
435}
436
437int
438ctl_receive_copy_operating_parameters(struct ctl_scsiio *ctsio)
439{
440	struct scsi_receive_copy_operating_parameters *cdb;
441	struct scsi_receive_copy_operating_parameters_data *data;
442	int retval;
443	int alloc_len, total_len;
444
445	CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n"));
446
447	cdb = (struct scsi_receive_copy_operating_parameters *)ctsio->cdb;
448
449	retval = CTL_RETVAL_COMPLETE;
450
451	total_len = sizeof(*data) + 4;
452	alloc_len = scsi_4btoul(cdb->length);
453
454	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
455
456	ctsio->kern_sg_entries = 0;
457
458	if (total_len < alloc_len) {
459		ctsio->residual = alloc_len - total_len;
460		ctsio->kern_data_len = total_len;
461		ctsio->kern_total_len = total_len;
462	} else {
463		ctsio->residual = 0;
464		ctsio->kern_data_len = alloc_len;
465		ctsio->kern_total_len = alloc_len;
466	}
467	ctsio->kern_data_resid = 0;
468	ctsio->kern_rel_offset = 0;
469
470	data = (struct scsi_receive_copy_operating_parameters_data *)ctsio->kern_data_ptr;
471	scsi_ulto4b(sizeof(*data) - 4 + 4, data->length);
472	data->snlid = RCOP_SNLID;
473	scsi_ulto2b(TPC_MAX_CSCDS, data->maximum_cscd_descriptor_count);
474	scsi_ulto2b(TPC_MAX_SEGS, data->maximum_segment_descriptor_count);
475	scsi_ulto4b(TPC_MAX_LIST, data->maximum_descriptor_list_length);
476	scsi_ulto4b(TPC_MAX_SEG, data->maximum_segment_length);
477	scsi_ulto4b(TPC_MAX_INLINE, data->maximum_inline_data_length);
478	scsi_ulto4b(0, data->held_data_limit);
479	scsi_ulto4b(0, data->maximum_stream_device_transfer_size);
480	scsi_ulto2b(TPC_MAX_LISTS, data->total_concurrent_copies);
481	data->maximum_concurrent_copies = TPC_MAX_LISTS;
482	data->data_segment_granularity = 0;
483	data->inline_data_granularity = 0;
484	data->held_data_granularity = 0;
485	data->implemented_descriptor_list_length = 4;
486	data->list_of_implemented_descriptor_type_codes[0] = EC_SEG_B2B;
487	data->list_of_implemented_descriptor_type_codes[1] = EC_SEG_VERIFY;
488	data->list_of_implemented_descriptor_type_codes[2] = EC_SEG_REGISTER_KEY;
489	data->list_of_implemented_descriptor_type_codes[3] = EC_CSCD_ID;
490
491	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
492	ctsio->be_move_done = ctl_config_move_done;
493
494	ctl_datamove((union ctl_io *)ctsio);
495	return (retval);
496}
497
498static struct tpc_list *
499tpc_find_list(struct ctl_lun *lun, uint32_t list_id, uint32_t init_idx)
500{
501	struct tpc_list *list;
502
503	mtx_assert(&lun->lun_lock, MA_OWNED);
504	TAILQ_FOREACH(list, &lun->tpc_lists, links) {
505		if ((list->flags & EC_LIST_ID_USAGE_MASK) !=
506		     EC_LIST_ID_USAGE_NONE && list->list_id == list_id &&
507		    list->init_idx == init_idx)
508			break;
509	}
510	return (list);
511}
512
513int
514ctl_receive_copy_status_lid1(struct ctl_scsiio *ctsio)
515{
516	struct ctl_lun *lun;
517	struct scsi_receive_copy_status_lid1 *cdb;
518	struct scsi_receive_copy_status_lid1_data *data;
519	struct tpc_list *list;
520	struct tpc_list list_copy;
521	int retval;
522	int alloc_len, total_len;
523	uint32_t list_id;
524
525	CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid1\n"));
526
527	cdb = (struct scsi_receive_copy_status_lid1 *)ctsio->cdb;
528	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
529
530	retval = CTL_RETVAL_COMPLETE;
531
532	list_id = cdb->list_identifier;
533	mtx_lock(&lun->lun_lock);
534	list = tpc_find_list(lun, list_id,
535	    ctl_get_resindex(&ctsio->io_hdr.nexus));
536	if (list == NULL) {
537		mtx_unlock(&lun->lun_lock);
538		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
539		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
540		    /*bit*/ 0);
541		ctl_done((union ctl_io *)ctsio);
542		return (retval);
543	}
544	list_copy = *list;
545	if (list->completed) {
546		TAILQ_REMOVE(&lun->tpc_lists, list, links);
547		free(list, M_CTL);
548	}
549	mtx_unlock(&lun->lun_lock);
550
551	total_len = sizeof(*data);
552	alloc_len = scsi_4btoul(cdb->length);
553
554	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
555
556	ctsio->kern_sg_entries = 0;
557
558	if (total_len < alloc_len) {
559		ctsio->residual = alloc_len - total_len;
560		ctsio->kern_data_len = total_len;
561		ctsio->kern_total_len = total_len;
562	} else {
563		ctsio->residual = 0;
564		ctsio->kern_data_len = alloc_len;
565		ctsio->kern_total_len = alloc_len;
566	}
567	ctsio->kern_data_resid = 0;
568	ctsio->kern_rel_offset = 0;
569
570	data = (struct scsi_receive_copy_status_lid1_data *)ctsio->kern_data_ptr;
571	scsi_ulto4b(sizeof(*data) - 4, data->available_data);
572	if (list_copy.completed) {
573		if (list_copy.error || list_copy.abort)
574			data->copy_command_status = RCS_CCS_ERROR;
575		else
576			data->copy_command_status = RCS_CCS_COMPLETED;
577	} else
578		data->copy_command_status = RCS_CCS_INPROG;
579	scsi_ulto2b(list_copy.curseg, data->segments_processed);
580	if (list_copy.curbytes <= UINT32_MAX) {
581		data->transfer_count_units = RCS_TC_BYTES;
582		scsi_ulto4b(list_copy.curbytes, data->transfer_count);
583	} else {
584		data->transfer_count_units = RCS_TC_MBYTES;
585		scsi_ulto4b(list_copy.curbytes >> 20, data->transfer_count);
586	}
587
588	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
589	ctsio->be_move_done = ctl_config_move_done;
590
591	ctl_datamove((union ctl_io *)ctsio);
592	return (retval);
593}
594
595int
596ctl_receive_copy_failure_details(struct ctl_scsiio *ctsio)
597{
598	struct ctl_lun *lun;
599	struct scsi_receive_copy_failure_details *cdb;
600	struct scsi_receive_copy_failure_details_data *data;
601	struct tpc_list *list;
602	struct tpc_list list_copy;
603	int retval;
604	int alloc_len, total_len;
605	uint32_t list_id;
606
607	CTL_DEBUG_PRINT(("ctl_receive_copy_failure_details\n"));
608
609	cdb = (struct scsi_receive_copy_failure_details *)ctsio->cdb;
610	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
611
612	retval = CTL_RETVAL_COMPLETE;
613
614	list_id = cdb->list_identifier;
615	mtx_lock(&lun->lun_lock);
616	list = tpc_find_list(lun, list_id,
617	    ctl_get_resindex(&ctsio->io_hdr.nexus));
618	if (list == NULL || !list->completed) {
619		mtx_unlock(&lun->lun_lock);
620		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
621		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
622		    /*bit*/ 0);
623		ctl_done((union ctl_io *)ctsio);
624		return (retval);
625	}
626	list_copy = *list;
627	TAILQ_REMOVE(&lun->tpc_lists, list, links);
628	free(list, M_CTL);
629	mtx_unlock(&lun->lun_lock);
630
631	total_len = sizeof(*data) + list_copy.sense_len;
632	alloc_len = scsi_4btoul(cdb->length);
633
634	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
635
636	ctsio->kern_sg_entries = 0;
637
638	if (total_len < alloc_len) {
639		ctsio->residual = alloc_len - total_len;
640		ctsio->kern_data_len = total_len;
641		ctsio->kern_total_len = total_len;
642	} else {
643		ctsio->residual = 0;
644		ctsio->kern_data_len = alloc_len;
645		ctsio->kern_total_len = alloc_len;
646	}
647	ctsio->kern_data_resid = 0;
648	ctsio->kern_rel_offset = 0;
649
650	data = (struct scsi_receive_copy_failure_details_data *)ctsio->kern_data_ptr;
651	if (list_copy.completed && (list_copy.error || list_copy.abort)) {
652		scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
653		    data->available_data);
654		data->copy_command_status = RCS_CCS_ERROR;
655	} else
656		scsi_ulto4b(0, data->available_data);
657	scsi_ulto2b(list_copy.sense_len, data->sense_data_length);
658	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
659
660	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
661	ctsio->be_move_done = ctl_config_move_done;
662
663	ctl_datamove((union ctl_io *)ctsio);
664	return (retval);
665}
666
667int
668ctl_receive_copy_status_lid4(struct ctl_scsiio *ctsio)
669{
670	struct ctl_lun *lun;
671	struct scsi_receive_copy_status_lid4 *cdb;
672	struct scsi_receive_copy_status_lid4_data *data;
673	struct tpc_list *list;
674	struct tpc_list list_copy;
675	int retval;
676	int alloc_len, total_len;
677	uint32_t list_id;
678
679	CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid4\n"));
680
681	cdb = (struct scsi_receive_copy_status_lid4 *)ctsio->cdb;
682	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
683
684	retval = CTL_RETVAL_COMPLETE;
685
686	list_id = scsi_4btoul(cdb->list_identifier);
687	mtx_lock(&lun->lun_lock);
688	list = tpc_find_list(lun, list_id,
689	    ctl_get_resindex(&ctsio->io_hdr.nexus));
690	if (list == NULL) {
691		mtx_unlock(&lun->lun_lock);
692		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
693		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
694		    /*bit*/ 0);
695		ctl_done((union ctl_io *)ctsio);
696		return (retval);
697	}
698	list_copy = *list;
699	if (list->completed) {
700		TAILQ_REMOVE(&lun->tpc_lists, list, links);
701		free(list, M_CTL);
702	}
703	mtx_unlock(&lun->lun_lock);
704
705	total_len = sizeof(*data) + list_copy.sense_len;
706	alloc_len = scsi_4btoul(cdb->length);
707
708	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
709
710	ctsio->kern_sg_entries = 0;
711
712	if (total_len < alloc_len) {
713		ctsio->residual = alloc_len - total_len;
714		ctsio->kern_data_len = total_len;
715		ctsio->kern_total_len = total_len;
716	} else {
717		ctsio->residual = 0;
718		ctsio->kern_data_len = alloc_len;
719		ctsio->kern_total_len = alloc_len;
720	}
721	ctsio->kern_data_resid = 0;
722	ctsio->kern_rel_offset = 0;
723
724	data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
725	scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
726	    data->available_data);
727	data->response_to_service_action = list_copy.service_action;
728	if (list_copy.completed) {
729		if (list_copy.error)
730			data->copy_command_status = RCS_CCS_ERROR;
731		else if (list_copy.abort)
732			data->copy_command_status = RCS_CCS_ABORTED;
733		else
734			data->copy_command_status = RCS_CCS_COMPLETED;
735	} else
736		data->copy_command_status = RCS_CCS_INPROG_FG;
737	scsi_ulto2b(list_copy.curops, data->operation_counter);
738	scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
739	data->transfer_count_units = RCS_TC_BYTES;
740	scsi_u64to8b(list_copy.curbytes, data->transfer_count);
741	scsi_ulto2b(list_copy.curseg, data->segments_processed);
742	data->length_of_the_sense_data_field = list_copy.sense_len;
743	data->sense_data_length = list_copy.sense_len;
744	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
745
746	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
747	ctsio->be_move_done = ctl_config_move_done;
748
749	ctl_datamove((union ctl_io *)ctsio);
750	return (retval);
751}
752
753int
754ctl_copy_operation_abort(struct ctl_scsiio *ctsio)
755{
756	struct ctl_lun *lun;
757	struct scsi_copy_operation_abort *cdb;
758	struct tpc_list *list;
759	int retval;
760	uint32_t list_id;
761
762	CTL_DEBUG_PRINT(("ctl_copy_operation_abort\n"));
763
764	cdb = (struct scsi_copy_operation_abort *)ctsio->cdb;
765	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
766
767	retval = CTL_RETVAL_COMPLETE;
768
769	list_id = scsi_4btoul(cdb->list_identifier);
770	mtx_lock(&lun->lun_lock);
771	list = tpc_find_list(lun, list_id,
772	    ctl_get_resindex(&ctsio->io_hdr.nexus));
773	if (list == NULL) {
774		mtx_unlock(&lun->lun_lock);
775		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
776		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
777		    /*bit*/ 0);
778		ctl_done((union ctl_io *)ctsio);
779		return (retval);
780	}
781	list->abort = 1;
782	mtx_unlock(&lun->lun_lock);
783
784	ctl_set_success(ctsio);
785	ctl_done((union ctl_io *)ctsio);
786	return (retval);
787}
788
789static uint64_t
790tpc_resolve(struct tpc_list *list, uint16_t idx, uint32_t *ss)
791{
792
793	if (idx == 0xffff) {
794		if (ss && list->lun->be_lun)
795			*ss = list->lun->be_lun->blocksize;
796		return (list->lun->lun);
797	}
798	if (idx >= list->ncscd)
799		return (UINT64_MAX);
800	return (tpcl_resolve(list->init_port, &list->cscd[idx], ss));
801}
802
803static int
804tpc_process_b2b(struct tpc_list *list)
805{
806	struct scsi_ec_segment_b2b *seg;
807	struct scsi_ec_cscd_dtsp *sdstp, *ddstp;
808	struct tpc_io *tior, *tiow;
809	struct runl run, *prun;
810	uint64_t sl, dl;
811	off_t srclba, dstlba, numbytes, donebytes, roundbytes;
812	int numlba;
813	uint32_t srcblock, dstblock;
814
815	if (list->stage == 1) {
816complete:
817		while ((tior = TAILQ_FIRST(&list->allio)) != NULL) {
818			TAILQ_REMOVE(&list->allio, tior, links);
819			ctl_free_io(tior->io);
820			free(tior, M_CTL);
821		}
822		free(list->buf, M_CTL);
823		if (list->abort) {
824			ctl_set_task_aborted(list->ctsio);
825			return (CTL_RETVAL_ERROR);
826		} else if (list->error) {
827			ctl_set_sense(list->ctsio, /*current_error*/ 1,
828			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
829			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
830			return (CTL_RETVAL_ERROR);
831		} else {
832			list->cursectors += list->segsectors;
833			list->curbytes += list->segbytes;
834			return (CTL_RETVAL_COMPLETE);
835		}
836	}
837
838	TAILQ_INIT(&list->allio);
839	seg = (struct scsi_ec_segment_b2b *)list->seg[list->curseg];
840	sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), &srcblock);
841	dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), &dstblock);
842	if (sl >= CTL_MAX_LUNS || dl >= CTL_MAX_LUNS) {
843		ctl_set_sense(list->ctsio, /*current_error*/ 1,
844		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
845		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
846		return (CTL_RETVAL_ERROR);
847	}
848	sdstp = &list->cscd[scsi_2btoul(seg->src_cscd)].dtsp;
849	if (scsi_3btoul(sdstp->block_length) != 0)
850		srcblock = scsi_3btoul(sdstp->block_length);
851	ddstp = &list->cscd[scsi_2btoul(seg->dst_cscd)].dtsp;
852	if (scsi_3btoul(ddstp->block_length) != 0)
853		dstblock = scsi_3btoul(ddstp->block_length);
854	numlba = scsi_2btoul(seg->number_of_blocks);
855	if (seg->flags & EC_SEG_DC)
856		numbytes = (off_t)numlba * dstblock;
857	else
858		numbytes = (off_t)numlba * srcblock;
859	srclba = scsi_8btou64(seg->src_lba);
860	dstlba = scsi_8btou64(seg->dst_lba);
861
862//	printf("Copy %ju bytes from %ju @ %ju to %ju @ %ju\n",
863//	    (uintmax_t)numbytes, sl, scsi_8btou64(seg->src_lba),
864//	    dl, scsi_8btou64(seg->dst_lba));
865
866	if (numbytes == 0)
867		return (CTL_RETVAL_COMPLETE);
868
869	if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
870		ctl_set_sense(list->ctsio, /*current_error*/ 1,
871		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
872		    /*asc*/ 0x26, /*ascq*/ 0x0A, SSD_ELEM_NONE);
873		return (CTL_RETVAL_ERROR);
874	}
875
876	list->buf = malloc(numbytes, M_CTL, M_WAITOK);
877	list->segbytes = numbytes;
878	list->segsectors = numbytes / dstblock;
879	donebytes = 0;
880	TAILQ_INIT(&run);
881	prun = &run;
882	list->tbdio = 1;
883	while (donebytes < numbytes) {
884		roundbytes = MIN(numbytes - donebytes, TPC_MAX_IO_SIZE);
885
886		tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
887		TAILQ_INIT(&tior->run);
888		tior->list = list;
889		TAILQ_INSERT_TAIL(&list->allio, tior, links);
890		tior->io = tpcl_alloc_io();
891		if (tior->io == NULL) {
892			list->error = 1;
893			goto complete;
894		}
895		ctl_scsi_read_write(tior->io,
896				    /*data_ptr*/ &list->buf[donebytes],
897				    /*data_len*/ roundbytes,
898				    /*read_op*/ 1,
899				    /*byte2*/ 0,
900				    /*minimum_cdb_size*/ 0,
901				    /*lba*/ srclba + donebytes / srcblock,
902				    /*num_blocks*/ roundbytes / srcblock,
903				    /*tag_type*/ CTL_TAG_SIMPLE,
904				    /*control*/ 0);
905		tior->io->io_hdr.retries = 3;
906		tior->lun = sl;
907		tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
908
909		tiow = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
910		TAILQ_INIT(&tiow->run);
911		tiow->list = list;
912		TAILQ_INSERT_TAIL(&list->allio, tiow, links);
913		tiow->io = tpcl_alloc_io();
914		if (tiow->io == NULL) {
915			list->error = 1;
916			goto complete;
917		}
918		ctl_scsi_read_write(tiow->io,
919				    /*data_ptr*/ &list->buf[donebytes],
920				    /*data_len*/ roundbytes,
921				    /*read_op*/ 0,
922				    /*byte2*/ 0,
923				    /*minimum_cdb_size*/ 0,
924				    /*lba*/ dstlba + donebytes / dstblock,
925				    /*num_blocks*/ roundbytes / dstblock,
926				    /*tag_type*/ CTL_TAG_SIMPLE,
927				    /*control*/ 0);
928		tiow->io->io_hdr.retries = 3;
929		tiow->lun = dl;
930		tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
931
932		TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
933		TAILQ_INSERT_TAIL(prun, tior, rlinks);
934		prun = &tior->run;
935		donebytes += roundbytes;
936	}
937
938	while ((tior = TAILQ_FIRST(&run)) != NULL) {
939		TAILQ_REMOVE(&run, tior, rlinks);
940		if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
941			panic("tpcl_queue() error");
942	}
943
944	list->stage++;
945	return (CTL_RETVAL_QUEUED);
946}
947
948static int
949tpc_process_verify(struct tpc_list *list)
950{
951	struct scsi_ec_segment_verify *seg;
952	struct tpc_io *tio;
953	uint64_t sl;
954
955	if (list->stage == 1) {
956complete:
957		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
958			TAILQ_REMOVE(&list->allio, tio, links);
959			ctl_free_io(tio->io);
960			free(tio, M_CTL);
961		}
962		if (list->abort) {
963			ctl_set_task_aborted(list->ctsio);
964			return (CTL_RETVAL_ERROR);
965		} else if (list->error) {
966			ctl_set_sense(list->ctsio, /*current_error*/ 1,
967			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
968			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
969			return (CTL_RETVAL_ERROR);
970		} else
971			return (CTL_RETVAL_COMPLETE);
972	}
973
974	TAILQ_INIT(&list->allio);
975	seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg];
976	sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), NULL);
977	if (sl >= CTL_MAX_LUNS) {
978		ctl_set_sense(list->ctsio, /*current_error*/ 1,
979		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
980		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
981		return (CTL_RETVAL_ERROR);
982	}
983
984//	printf("Verify %ju\n", sl);
985
986	if ((seg->tur & 0x01) == 0)
987		return (CTL_RETVAL_COMPLETE);
988
989	list->tbdio = 1;
990	tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
991	TAILQ_INIT(&tio->run);
992	tio->list = list;
993	TAILQ_INSERT_TAIL(&list->allio, tio, links);
994	tio->io = tpcl_alloc_io();
995	if (tio->io == NULL) {
996		list->error = 1;
997		goto complete;
998	}
999	ctl_scsi_tur(tio->io, /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
1000	tio->io->io_hdr.retries = 3;
1001	tio->lun = sl;
1002	tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
1003	list->stage++;
1004	if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
1005		panic("tpcl_queue() error");
1006	return (CTL_RETVAL_QUEUED);
1007}
1008
1009static int
1010tpc_process_register_key(struct tpc_list *list)
1011{
1012	struct scsi_ec_segment_register_key *seg;
1013	struct tpc_io *tio;
1014	uint64_t dl;
1015	int datalen;
1016
1017	if (list->stage == 1) {
1018complete:
1019		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
1020			TAILQ_REMOVE(&list->allio, tio, links);
1021			ctl_free_io(tio->io);
1022			free(tio, M_CTL);
1023		}
1024		free(list->buf, M_CTL);
1025		if (list->abort) {
1026			ctl_set_task_aborted(list->ctsio);
1027			return (CTL_RETVAL_ERROR);
1028		} else if (list->error) {
1029			ctl_set_sense(list->ctsio, /*current_error*/ 1,
1030			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1031			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
1032			return (CTL_RETVAL_ERROR);
1033		} else
1034			return (CTL_RETVAL_COMPLETE);
1035	}
1036
1037	TAILQ_INIT(&list->allio);
1038	seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg];
1039	dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), NULL);
1040	if (dl >= CTL_MAX_LUNS) {
1041		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1042		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1043		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
1044		return (CTL_RETVAL_ERROR);
1045	}
1046
1047//	printf("Register Key %ju\n", dl);
1048
1049	list->tbdio = 1;
1050	tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
1051	TAILQ_INIT(&tio->run);
1052	tio->list = list;
1053	TAILQ_INSERT_TAIL(&list->allio, tio, links);
1054	tio->io = tpcl_alloc_io();
1055	if (tio->io == NULL) {
1056		list->error = 1;
1057		goto complete;
1058	}
1059	datalen = sizeof(struct scsi_per_res_out_parms);
1060	list->buf = malloc(datalen, M_CTL, M_WAITOK);
1061	ctl_scsi_persistent_res_out(tio->io,
1062	    list->buf, datalen, SPRO_REGISTER, -1,
1063	    scsi_8btou64(seg->res_key), scsi_8btou64(seg->sa_res_key),
1064	    /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
1065	tio->io->io_hdr.retries = 3;
1066	tio->lun = dl;
1067	tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
1068	list->stage++;
1069	if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
1070		panic("tpcl_queue() error");
1071	return (CTL_RETVAL_QUEUED);
1072}
1073
1074static off_t
1075tpc_ranges_length(struct scsi_range_desc *range, int nrange)
1076{
1077	off_t length = 0;
1078	int r;
1079
1080	for (r = 0; r < nrange; r++)
1081		length += scsi_4btoul(range[r].length);
1082	return (length);
1083}
1084
1085static int
1086tpc_skip_ranges(struct scsi_range_desc *range, int nrange, off_t skip,
1087    int *srange, off_t *soffset)
1088{
1089	off_t off;
1090	int r;
1091
1092	r = 0;
1093	off = 0;
1094	while (r < nrange) {
1095		if (skip - off < scsi_4btoul(range[r].length)) {
1096			*srange = r;
1097			*soffset = skip - off;
1098			return (0);
1099		}
1100		off += scsi_4btoul(range[r].length);
1101		r++;
1102	}
1103	return (-1);
1104}
1105
1106static int
1107tpc_process_wut(struct tpc_list *list)
1108{
1109	struct tpc_io *tio, *tior, *tiow;
1110	struct runl run, *prun;
1111	int drange, srange;
1112	off_t doffset, soffset;
1113	off_t srclba, dstlba, numbytes, donebytes, roundbytes;
1114	uint32_t srcblock, dstblock;
1115
1116	if (list->stage > 0) {
1117complete:
1118		/* Cleanup after previous rounds. */
1119		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
1120			TAILQ_REMOVE(&list->allio, tio, links);
1121			ctl_free_io(tio->io);
1122			free(tio, M_CTL);
1123		}
1124		free(list->buf, M_CTL);
1125		if (list->abort) {
1126			ctl_set_task_aborted(list->ctsio);
1127			return (CTL_RETVAL_ERROR);
1128		} else if (list->error) {
1129			ctl_set_sense(list->ctsio, /*current_error*/ 1,
1130			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1131			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
1132			return (CTL_RETVAL_ERROR);
1133		}
1134		list->cursectors += list->segsectors;
1135		list->curbytes += list->segbytes;
1136	}
1137
1138	/* Check where we are on destination ranges list. */
1139	if (tpc_skip_ranges(list->range, list->nrange, list->cursectors,
1140	    &drange, &doffset) != 0)
1141		return (CTL_RETVAL_COMPLETE);
1142	dstblock = list->lun->be_lun->blocksize;
1143
1144	/* Special case: no token == Block device zero ROD token */
1145	if (list->token == NULL) {
1146		srcblock = 1;
1147		srclba = 0;
1148		numbytes = INT64_MAX;
1149		goto dstp;
1150	}
1151
1152	/* Check where we are on source ranges list. */
1153	srcblock = list->token->blocksize;
1154	if (tpc_skip_ranges(list->token->range, list->token->nrange,
1155	    list->offset_into_rod + list->cursectors * dstblock / srcblock,
1156	    &srange, &soffset) != 0) {
1157		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1158		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1159		    /*asc*/ 0x0d, /*ascq*/ 0x04, SSD_ELEM_NONE);
1160		return (CTL_RETVAL_ERROR);
1161	}
1162
1163	srclba = scsi_8btou64(list->token->range[srange].lba) + soffset;
1164	numbytes = srcblock * omin(TPC_MAX_IOCHUNK_SIZE / srcblock,
1165	    (scsi_4btoul(list->token->range[srange].length) - soffset));
1166dstp:
1167	dstlba = scsi_8btou64(list->range[drange].lba) + doffset;
1168	numbytes = omin(numbytes,
1169	    dstblock * omin(TPC_MAX_IOCHUNK_SIZE / dstblock,
1170	    (scsi_4btoul(list->range[drange].length) - doffset)));
1171
1172	if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
1173		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1174		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1175		    /*asc*/ 0x26, /*ascq*/ 0x0A, SSD_ELEM_NONE);
1176		return (CTL_RETVAL_ERROR);
1177	}
1178
1179	list->buf = malloc(numbytes, M_CTL, M_WAITOK |
1180	    (list->token == NULL ? M_ZERO : 0));
1181	list->segbytes = numbytes;
1182	list->segsectors = numbytes / dstblock;
1183//printf("Copy chunk of %ju sectors from %ju to %ju\n", list->segsectors,
1184//    srclba, dstlba);
1185	donebytes = 0;
1186	TAILQ_INIT(&run);
1187	prun = &run;
1188	list->tbdio = 1;
1189	TAILQ_INIT(&list->allio);
1190	while (donebytes < numbytes) {
1191		roundbytes = MIN(numbytes - donebytes, TPC_MAX_IO_SIZE);
1192
1193		if (list->token == NULL) {
1194			tior = NULL;
1195			goto dstw;
1196		}
1197		tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
1198		TAILQ_INIT(&tior->run);
1199		tior->list = list;
1200		TAILQ_INSERT_TAIL(&list->allio, tior, links);
1201		tior->io = tpcl_alloc_io();
1202		if (tior->io == NULL) {
1203			list->error = 1;
1204			goto complete;
1205		}
1206		ctl_scsi_read_write(tior->io,
1207				    /*data_ptr*/ &list->buf[donebytes],
1208				    /*data_len*/ roundbytes,
1209				    /*read_op*/ 1,
1210				    /*byte2*/ 0,
1211				    /*minimum_cdb_size*/ 0,
1212				    /*lba*/ srclba + donebytes / srcblock,
1213				    /*num_blocks*/ roundbytes / srcblock,
1214				    /*tag_type*/ CTL_TAG_SIMPLE,
1215				    /*control*/ 0);
1216		tior->io->io_hdr.retries = 3;
1217		tior->lun = list->token->lun;
1218		tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
1219
1220dstw:
1221		tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO);
1222		TAILQ_INIT(&tiow->run);
1223		tiow->list = list;
1224		TAILQ_INSERT_TAIL(&list->allio, tiow, links);
1225		tiow->io = tpcl_alloc_io();
1226		if (tiow->io == NULL) {
1227			list->error = 1;
1228			goto complete;
1229		}
1230		ctl_scsi_read_write(tiow->io,
1231				    /*data_ptr*/ &list->buf[donebytes],
1232				    /*data_len*/ roundbytes,
1233				    /*read_op*/ 0,
1234				    /*byte2*/ 0,
1235				    /*minimum_cdb_size*/ 0,
1236				    /*lba*/ dstlba + donebytes / dstblock,
1237				    /*num_blocks*/ roundbytes / dstblock,
1238				    /*tag_type*/ CTL_TAG_SIMPLE,
1239				    /*control*/ 0);
1240		tiow->io->io_hdr.retries = 3;
1241		tiow->lun = list->lun->lun;
1242		tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
1243
1244		if (tior) {
1245			TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
1246			TAILQ_INSERT_TAIL(prun, tior, rlinks);
1247			prun = &tior->run;
1248		} else {
1249			TAILQ_INSERT_TAIL(prun, tiow, rlinks);
1250			prun = &tiow->run;
1251		}
1252		donebytes += roundbytes;
1253	}
1254
1255	while ((tior = TAILQ_FIRST(&run)) != NULL) {
1256		TAILQ_REMOVE(&run, tior, rlinks);
1257		if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
1258			panic("tpcl_queue() error");
1259	}
1260
1261	list->stage++;
1262	return (CTL_RETVAL_QUEUED);
1263}
1264
1265static void
1266tpc_process(struct tpc_list *list)
1267{
1268	struct ctl_lun *lun = list->lun;
1269	struct scsi_ec_segment *seg;
1270	struct ctl_scsiio *ctsio = list->ctsio;
1271	int retval = CTL_RETVAL_COMPLETE;
1272
1273	if (list->service_action == EC_WUT) {
1274		retval = tpc_process_wut(list);
1275		if (retval == CTL_RETVAL_QUEUED)
1276			return;
1277		if (retval == CTL_RETVAL_ERROR) {
1278			list->error = 1;
1279			goto done;
1280		}
1281	} else {
1282//printf("ZZZ %d cscd, %d segs\n", list->ncscd, list->nseg);
1283		while (list->curseg < list->nseg) {
1284			seg = list->seg[list->curseg];
1285			switch (seg->type_code) {
1286			case EC_SEG_B2B:
1287				retval = tpc_process_b2b(list);
1288				break;
1289			case EC_SEG_VERIFY:
1290				retval = tpc_process_verify(list);
1291				break;
1292			case EC_SEG_REGISTER_KEY:
1293				retval = tpc_process_register_key(list);
1294				break;
1295			default:
1296				ctl_set_sense(ctsio, /*current_error*/ 1,
1297				    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1298				    /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE);
1299				goto done;
1300			}
1301			if (retval == CTL_RETVAL_QUEUED)
1302				return;
1303			if (retval == CTL_RETVAL_ERROR) {
1304				list->error = 1;
1305				goto done;
1306			}
1307			list->curseg++;
1308			list->stage = 0;
1309		}
1310	}
1311
1312	ctl_set_success(ctsio);
1313
1314done:
1315//printf("ZZZ done\n");
1316	free(list->params, M_CTL);
1317	list->params = NULL;
1318	if (list->token) {
1319		mtx_lock(&control_softc->ctl_lock);
1320		if (--list->token->active == 0)
1321			list->token->last_active = time_uptime;
1322		mtx_unlock(&control_softc->ctl_lock);
1323		list->token = NULL;
1324	}
1325	mtx_lock(&lun->lun_lock);
1326	if ((list->flags & EC_LIST_ID_USAGE_MASK) == EC_LIST_ID_USAGE_NONE) {
1327		TAILQ_REMOVE(&lun->tpc_lists, list, links);
1328		free(list, M_CTL);
1329	} else {
1330		list->completed = 1;
1331		list->last_active = time_uptime;
1332		list->sense_data = ctsio->sense_data;
1333		list->sense_len = ctsio->sense_len;
1334		list->scsi_status = ctsio->scsi_status;
1335	}
1336	mtx_unlock(&lun->lun_lock);
1337
1338	ctl_done((union ctl_io *)ctsio);
1339}
1340
1341/*
1342 * For any sort of check condition, busy, etc., we just retry.  We do not
1343 * decrement the retry count for unit attention type errors.  These are
1344 * normal, and we want to save the retry count for "real" errors.  Otherwise,
1345 * we could end up with situations where a command will succeed in some
1346 * situations and fail in others, depending on whether a unit attention is
1347 * pending.  Also, some of our error recovery actions, most notably the
1348 * LUN reset action, will cause a unit attention.
1349 *
1350 * We can add more detail here later if necessary.
1351 */
1352static tpc_error_action
1353tpc_checkcond_parse(union ctl_io *io)
1354{
1355	tpc_error_action error_action;
1356	int error_code, sense_key, asc, ascq;
1357
1358	/*
1359	 * Default to retrying the command.
1360	 */
1361	error_action = TPC_ERR_RETRY;
1362
1363	scsi_extract_sense_len(&io->scsiio.sense_data,
1364			       io->scsiio.sense_len,
1365			       &error_code,
1366			       &sense_key,
1367			       &asc,
1368			       &ascq,
1369			       /*show_errors*/ 1);
1370
1371	switch (error_code) {
1372	case SSD_DEFERRED_ERROR:
1373	case SSD_DESC_DEFERRED_ERROR:
1374		error_action |= TPC_ERR_NO_DECREMENT;
1375		break;
1376	case SSD_CURRENT_ERROR:
1377	case SSD_DESC_CURRENT_ERROR:
1378	default:
1379		switch (sense_key) {
1380		case SSD_KEY_UNIT_ATTENTION:
1381			error_action |= TPC_ERR_NO_DECREMENT;
1382			break;
1383		case SSD_KEY_HARDWARE_ERROR:
1384			/*
1385			 * This is our generic "something bad happened"
1386			 * error code.  It often isn't recoverable.
1387			 */
1388			if ((asc == 0x44) && (ascq == 0x00))
1389				error_action = TPC_ERR_FAIL;
1390			break;
1391		case SSD_KEY_NOT_READY:
1392			/*
1393			 * If the LUN is powered down, there likely isn't
1394			 * much point in retrying right now.
1395			 */
1396			if ((asc == 0x04) && (ascq == 0x02))
1397				error_action = TPC_ERR_FAIL;
1398			/*
1399			 * If the LUN is offline, there probably isn't much
1400			 * point in retrying, either.
1401			 */
1402			if ((asc == 0x04) && (ascq == 0x03))
1403				error_action = TPC_ERR_FAIL;
1404			break;
1405		}
1406	}
1407	return (error_action);
1408}
1409
1410static tpc_error_action
1411tpc_error_parse(union ctl_io *io)
1412{
1413	tpc_error_action error_action = TPC_ERR_RETRY;
1414
1415	switch (io->io_hdr.io_type) {
1416	case CTL_IO_SCSI:
1417		switch (io->io_hdr.status & CTL_STATUS_MASK) {
1418		case CTL_SCSI_ERROR:
1419			switch (io->scsiio.scsi_status) {
1420			case SCSI_STATUS_CHECK_COND:
1421				error_action = tpc_checkcond_parse(io);
1422				break;
1423			default:
1424				break;
1425			}
1426			break;
1427		default:
1428			break;
1429		}
1430		break;
1431	case CTL_IO_TASK:
1432		break;
1433	default:
1434		panic("%s: invalid ctl_io type %d\n", __func__,
1435		      io->io_hdr.io_type);
1436		break;
1437	}
1438	return (error_action);
1439}
1440
1441void
1442tpc_done(union ctl_io *io)
1443{
1444	struct tpc_io *tio, *tior;
1445
1446	/*
1447	 * Very minimal retry logic.  We basically retry if we got an error
1448	 * back, and the retry count is greater than 0.  If we ever want
1449	 * more sophisticated initiator type behavior, the CAM error
1450	 * recovery code in ../common might be helpful.
1451	 */
1452//	if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
1453//		ctl_io_error_print(io, NULL);
1454	tio = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
1455	if (((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
1456	 && (io->io_hdr.retries > 0)) {
1457		ctl_io_status old_status;
1458		tpc_error_action error_action;
1459
1460		error_action = tpc_error_parse(io);
1461		switch (error_action & TPC_ERR_MASK) {
1462		case TPC_ERR_FAIL:
1463			break;
1464		case TPC_ERR_RETRY:
1465		default:
1466			if ((error_action & TPC_ERR_NO_DECREMENT) == 0)
1467				io->io_hdr.retries--;
1468			old_status = io->io_hdr.status;
1469			io->io_hdr.status = CTL_STATUS_NONE;
1470			io->io_hdr.flags &= ~CTL_FLAG_ABORT;
1471			io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC;
1472			if (tpcl_queue(io, tio->lun) != CTL_RETVAL_COMPLETE) {
1473				printf("%s: error returned from ctl_queue()!\n",
1474				       __func__);
1475				io->io_hdr.status = old_status;
1476			} else
1477				return;
1478		}
1479	}
1480
1481	if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
1482		tio->list->error = 1;
1483	else
1484		atomic_add_int(&tio->list->curops, 1);
1485	if (!tio->list->error && !tio->list->abort) {
1486		while ((tior = TAILQ_FIRST(&tio->run)) != NULL) {
1487			TAILQ_REMOVE(&tio->run, tior, rlinks);
1488			atomic_add_int(&tio->list->tbdio, 1);
1489			if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
1490				panic("tpcl_queue() error");
1491		}
1492	}
1493	if (atomic_fetchadd_int(&tio->list->tbdio, -1) == 1)
1494		tpc_process(tio->list);
1495}
1496
1497int
1498ctl_extended_copy_lid1(struct ctl_scsiio *ctsio)
1499{
1500	struct scsi_extended_copy *cdb;
1501	struct scsi_extended_copy_lid1_data *data;
1502	struct ctl_lun *lun;
1503	struct tpc_list *list, *tlist;
1504	uint8_t *ptr;
1505	char *value;
1506	int len, off, lencscd, lenseg, leninl, nseg;
1507
1508	CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n"));
1509
1510	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1511	cdb = (struct scsi_extended_copy *)ctsio->cdb;
1512	len = scsi_4btoul(cdb->length);
1513
1514	if (len < sizeof(struct scsi_extended_copy_lid1_data) ||
1515	    len > sizeof(struct scsi_extended_copy_lid1_data) +
1516	    TPC_MAX_LIST + TPC_MAX_INLINE) {
1517		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1518		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1519		goto done;
1520	}
1521
1522	/*
1523	 * If we've got a kernel request that hasn't been malloced yet,
1524	 * malloc it and tell the caller the data buffer is here.
1525	 */
1526	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1527		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1528		ctsio->kern_data_len = len;
1529		ctsio->kern_total_len = len;
1530		ctsio->kern_data_resid = 0;
1531		ctsio->kern_rel_offset = 0;
1532		ctsio->kern_sg_entries = 0;
1533		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1534		ctsio->be_move_done = ctl_config_move_done;
1535		ctl_datamove((union ctl_io *)ctsio);
1536
1537		return (CTL_RETVAL_COMPLETE);
1538	}
1539
1540	data = (struct scsi_extended_copy_lid1_data *)ctsio->kern_data_ptr;
1541	lencscd = scsi_2btoul(data->cscd_list_length);
1542	lenseg = scsi_4btoul(data->segment_list_length);
1543	leninl = scsi_4btoul(data->inline_data_length);
1544	if (len < sizeof(struct scsi_extended_copy_lid1_data) +
1545	    lencscd + lenseg + leninl ||
1546	    leninl > TPC_MAX_INLINE) {
1547		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1548		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1549		goto done;
1550	}
1551	if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
1552		ctl_set_sense(ctsio, /*current_error*/ 1,
1553		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1554		    /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
1555		goto done;
1556	}
1557	if (lencscd + lenseg > TPC_MAX_LIST) {
1558		ctl_set_param_len_error(ctsio);
1559		goto done;
1560	}
1561
1562	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1563	list->service_action = cdb->service_action;
1564	value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
1565	if (value != NULL && strcmp(value, "on") == 0)
1566		list->init_port = -1;
1567	else
1568		list->init_port = ctsio->io_hdr.nexus.targ_port;
1569	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1570	list->list_id = data->list_identifier;
1571	list->flags = data->flags;
1572	list->params = ctsio->kern_data_ptr;
1573	list->cscd = (struct scsi_ec_cscd *)&data->data[0];
1574	ptr = &data->data[lencscd];
1575	for (nseg = 0, off = 0; off < lenseg; nseg++) {
1576		if (nseg >= TPC_MAX_SEGS) {
1577			free(list, M_CTL);
1578			ctl_set_sense(ctsio, /*current_error*/ 1,
1579			    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1580			    /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
1581			goto done;
1582		}
1583		list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
1584		off += sizeof(struct scsi_ec_segment) +
1585		    scsi_2btoul(list->seg[nseg]->descr_length);
1586	}
1587	list->inl = &data->data[lencscd + lenseg];
1588	list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
1589	list->nseg = nseg;
1590	list->leninl = leninl;
1591	list->ctsio = ctsio;
1592	list->lun = lun;
1593	mtx_lock(&lun->lun_lock);
1594	if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
1595		tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1596		if (tlist != NULL && !tlist->completed) {
1597			mtx_unlock(&lun->lun_lock);
1598			free(list, M_CTL);
1599			ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1600			    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1601			    /*bit*/ 0);
1602			goto done;
1603		}
1604		if (tlist != NULL) {
1605			TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1606			free(tlist, M_CTL);
1607		}
1608	}
1609	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1610	mtx_unlock(&lun->lun_lock);
1611
1612	tpc_process(list);
1613	return (CTL_RETVAL_COMPLETE);
1614
1615done:
1616	ctl_done((union ctl_io *)ctsio);
1617	return (CTL_RETVAL_COMPLETE);
1618}
1619
1620int
1621ctl_extended_copy_lid4(struct ctl_scsiio *ctsio)
1622{
1623	struct scsi_extended_copy *cdb;
1624	struct scsi_extended_copy_lid4_data *data;
1625	struct ctl_lun *lun;
1626	struct tpc_list *list, *tlist;
1627	uint8_t *ptr;
1628	char *value;
1629	int len, off, lencscd, lenseg, leninl, nseg;
1630
1631	CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n"));
1632
1633	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1634	cdb = (struct scsi_extended_copy *)ctsio->cdb;
1635	len = scsi_4btoul(cdb->length);
1636
1637	if (len < sizeof(struct scsi_extended_copy_lid4_data) ||
1638	    len > sizeof(struct scsi_extended_copy_lid4_data) +
1639	    TPC_MAX_LIST + TPC_MAX_INLINE) {
1640		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1641		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1642		goto done;
1643	}
1644
1645	/*
1646	 * If we've got a kernel request that hasn't been malloced yet,
1647	 * malloc it and tell the caller the data buffer is here.
1648	 */
1649	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1650		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1651		ctsio->kern_data_len = len;
1652		ctsio->kern_total_len = len;
1653		ctsio->kern_data_resid = 0;
1654		ctsio->kern_rel_offset = 0;
1655		ctsio->kern_sg_entries = 0;
1656		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1657		ctsio->be_move_done = ctl_config_move_done;
1658		ctl_datamove((union ctl_io *)ctsio);
1659
1660		return (CTL_RETVAL_COMPLETE);
1661	}
1662
1663	data = (struct scsi_extended_copy_lid4_data *)ctsio->kern_data_ptr;
1664	lencscd = scsi_2btoul(data->cscd_list_length);
1665	lenseg = scsi_2btoul(data->segment_list_length);
1666	leninl = scsi_2btoul(data->inline_data_length);
1667	if (len < sizeof(struct scsi_extended_copy_lid4_data) +
1668	    lencscd + lenseg + leninl ||
1669	    leninl > TPC_MAX_INLINE) {
1670		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1671		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1672		goto done;
1673	}
1674	if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
1675		ctl_set_sense(ctsio, /*current_error*/ 1,
1676		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1677		    /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
1678		goto done;
1679	}
1680	if (lencscd + lenseg > TPC_MAX_LIST) {
1681		ctl_set_param_len_error(ctsio);
1682		goto done;
1683	}
1684
1685	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1686	list->service_action = cdb->service_action;
1687	value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
1688	if (value != NULL && strcmp(value, "on") == 0)
1689		list->init_port = -1;
1690	else
1691		list->init_port = ctsio->io_hdr.nexus.targ_port;
1692	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1693	list->list_id = scsi_4btoul(data->list_identifier);
1694	list->flags = data->flags;
1695	list->params = ctsio->kern_data_ptr;
1696	list->cscd = (struct scsi_ec_cscd *)&data->data[0];
1697	ptr = &data->data[lencscd];
1698	for (nseg = 0, off = 0; off < lenseg; nseg++) {
1699		if (nseg >= TPC_MAX_SEGS) {
1700			free(list, M_CTL);
1701			ctl_set_sense(ctsio, /*current_error*/ 1,
1702			    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1703			    /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
1704			goto done;
1705		}
1706		list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
1707		off += sizeof(struct scsi_ec_segment) +
1708		    scsi_2btoul(list->seg[nseg]->descr_length);
1709	}
1710	list->inl = &data->data[lencscd + lenseg];
1711	list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
1712	list->nseg = nseg;
1713	list->leninl = leninl;
1714	list->ctsio = ctsio;
1715	list->lun = lun;
1716	mtx_lock(&lun->lun_lock);
1717	if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
1718		tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1719		if (tlist != NULL && !tlist->completed) {
1720			mtx_unlock(&lun->lun_lock);
1721			free(list, M_CTL);
1722			ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1723			    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1724			    /*bit*/ 0);
1725			goto done;
1726		}
1727		if (tlist != NULL) {
1728			TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1729			free(tlist, M_CTL);
1730		}
1731	}
1732	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1733	mtx_unlock(&lun->lun_lock);
1734
1735	tpc_process(list);
1736	return (CTL_RETVAL_COMPLETE);
1737
1738done:
1739	ctl_done((union ctl_io *)ctsio);
1740	return (CTL_RETVAL_COMPLETE);
1741}
1742
1743static void
1744tpc_create_token(struct ctl_lun *lun, struct ctl_port *port, off_t len,
1745    struct scsi_token *token)
1746{
1747	static int id = 0;
1748	struct scsi_vpd_id_descriptor *idd = NULL;
1749	int targid_len;
1750
1751	scsi_ulto4b(ROD_TYPE_AUR, token->type);
1752	scsi_ulto2b(0x01f8, token->length);
1753	scsi_u64to8b(atomic_fetchadd_int(&id, 1), &token->body[0]);
1754	if (lun->lun_devid)
1755		idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
1756		    lun->lun_devid->data, lun->lun_devid->len,
1757		    scsi_devid_is_lun_naa);
1758	if (idd == NULL && lun->lun_devid)
1759		idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
1760		    lun->lun_devid->data, lun->lun_devid->len,
1761		    scsi_devid_is_lun_eui64);
1762	if (idd != NULL)
1763		memcpy(&token->body[8], idd, 4 + idd->length);
1764	scsi_u64to8b(0, &token->body[40]);
1765	scsi_u64to8b(len, &token->body[48]);
1766	if (port->target_devid) {
1767		targid_len = port->target_devid->len;
1768		memcpy(&token->body[120], port->target_devid->data, targid_len);
1769	} else
1770		targid_len = 32;
1771	arc4rand(&token->body[120 + targid_len], 384 - targid_len, 0);
1772};
1773
1774int
1775ctl_populate_token(struct ctl_scsiio *ctsio)
1776{
1777	struct scsi_populate_token *cdb;
1778	struct scsi_populate_token_data *data;
1779	struct ctl_lun *lun;
1780	struct ctl_port *port;
1781	struct tpc_list *list, *tlist;
1782	struct tpc_token *token;
1783	int len, lendesc;
1784
1785	CTL_DEBUG_PRINT(("ctl_populate_token\n"));
1786
1787	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1788	port = control_softc->ctl_ports[ctl_port_idx(ctsio->io_hdr.nexus.targ_port)];
1789	cdb = (struct scsi_populate_token *)ctsio->cdb;
1790	len = scsi_4btoul(cdb->length);
1791
1792	if (len < sizeof(struct scsi_populate_token_data) ||
1793	    len > sizeof(struct scsi_populate_token_data) +
1794	     TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
1795		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1796		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1797		goto done;
1798	}
1799
1800	/*
1801	 * If we've got a kernel request that hasn't been malloced yet,
1802	 * malloc it and tell the caller the data buffer is here.
1803	 */
1804	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1805		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1806		ctsio->kern_data_len = len;
1807		ctsio->kern_total_len = len;
1808		ctsio->kern_data_resid = 0;
1809		ctsio->kern_rel_offset = 0;
1810		ctsio->kern_sg_entries = 0;
1811		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1812		ctsio->be_move_done = ctl_config_move_done;
1813		ctl_datamove((union ctl_io *)ctsio);
1814
1815		return (CTL_RETVAL_COMPLETE);
1816	}
1817
1818	data = (struct scsi_populate_token_data *)ctsio->kern_data_ptr;
1819	lendesc = scsi_2btoul(data->range_descriptor_length);
1820	if (len < sizeof(struct scsi_populate_token_data) + lendesc) {
1821		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1822		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1823		goto done;
1824	}
1825/*
1826	printf("PT(list=%u) flags=%x to=%d rt=%x len=%x\n",
1827	    scsi_4btoul(cdb->list_identifier),
1828	    data->flags, scsi_4btoul(data->inactivity_timeout),
1829	    scsi_4btoul(data->rod_type),
1830	    scsi_2btoul(data->range_descriptor_length));
1831*/
1832	if ((data->flags & EC_PT_RTV) &&
1833	    scsi_4btoul(data->rod_type) != ROD_TYPE_AUR) {
1834		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1835		    /*field*/ 8, /*bit_valid*/ 0, /*bit*/ 0);
1836		goto done;
1837	}
1838
1839	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1840	list->service_action = cdb->service_action;
1841	list->init_port = ctsio->io_hdr.nexus.targ_port;
1842	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1843	list->list_id = scsi_4btoul(cdb->list_identifier);
1844	list->flags = data->flags;
1845	list->ctsio = ctsio;
1846	list->lun = lun;
1847	mtx_lock(&lun->lun_lock);
1848	tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1849	if (tlist != NULL && !tlist->completed) {
1850		mtx_unlock(&lun->lun_lock);
1851		free(list, M_CTL);
1852		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1853		    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1854		    /*bit*/ 0);
1855		goto done;
1856	}
1857	if (tlist != NULL) {
1858		TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1859		free(tlist, M_CTL);
1860	}
1861	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1862	mtx_unlock(&lun->lun_lock);
1863
1864	token = malloc(sizeof(*token), M_CTL, M_WAITOK | M_ZERO);
1865	token->lun = lun->lun;
1866	token->blocksize = lun->be_lun->blocksize;
1867	token->params = ctsio->kern_data_ptr;
1868	token->range = &data->desc[0];
1869	token->nrange = scsi_2btoul(data->range_descriptor_length) /
1870	    sizeof(struct scsi_range_desc);
1871	tpc_create_token(lun, port, list->curbytes,
1872	    (struct scsi_token *)token->token);
1873	token->active = 0;
1874	token->last_active = time_uptime;
1875	token->timeout = scsi_4btoul(data->inactivity_timeout);
1876	if (token->timeout == 0)
1877		token->timeout = TPC_DFL_TOKEN_TIMEOUT;
1878	else if (token->timeout < TPC_MIN_TOKEN_TIMEOUT)
1879		token->timeout = TPC_MIN_TOKEN_TIMEOUT;
1880	else if (token->timeout > TPC_MAX_TOKEN_TIMEOUT) {
1881		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1882		    /*command*/ 0, /*field*/ 4, /*bit_valid*/ 0,
1883		    /*bit*/ 0);
1884	}
1885	memcpy(list->res_token, token->token, sizeof(list->res_token));
1886	list->res_token_valid = 1;
1887	list->cursectors = tpc_ranges_length(token->range, token->nrange);
1888	list->curbytes = (off_t)list->cursectors * lun->be_lun->blocksize;
1889	list->curseg = 0;
1890	list->completed = 1;
1891	list->last_active = time_uptime;
1892	mtx_lock(&control_softc->ctl_lock);
1893	TAILQ_INSERT_TAIL(&control_softc->tpc_tokens, token, links);
1894	mtx_unlock(&control_softc->ctl_lock);
1895	ctl_set_success(ctsio);
1896	ctl_done((union ctl_io *)ctsio);
1897	return (CTL_RETVAL_COMPLETE);
1898
1899done:
1900	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED)
1901		free(ctsio->kern_data_ptr, M_CTL);
1902	ctl_done((union ctl_io *)ctsio);
1903	return (CTL_RETVAL_COMPLETE);
1904}
1905
1906int
1907ctl_write_using_token(struct ctl_scsiio *ctsio)
1908{
1909	struct scsi_write_using_token *cdb;
1910	struct scsi_write_using_token_data *data;
1911	struct ctl_lun *lun;
1912	struct tpc_list *list, *tlist;
1913	struct tpc_token *token;
1914	int len, lendesc;
1915
1916	CTL_DEBUG_PRINT(("ctl_write_using_token\n"));
1917
1918	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1919	cdb = (struct scsi_write_using_token *)ctsio->cdb;
1920	len = scsi_4btoul(cdb->length);
1921
1922	if (len < sizeof(struct scsi_populate_token_data) ||
1923	    len > sizeof(struct scsi_populate_token_data) +
1924	     TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
1925		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1926		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1927		goto done;
1928	}
1929
1930	/*
1931	 * If we've got a kernel request that hasn't been malloced yet,
1932	 * malloc it and tell the caller the data buffer is here.
1933	 */
1934	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1935		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1936		ctsio->kern_data_len = len;
1937		ctsio->kern_total_len = len;
1938		ctsio->kern_data_resid = 0;
1939		ctsio->kern_rel_offset = 0;
1940		ctsio->kern_sg_entries = 0;
1941		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1942		ctsio->be_move_done = ctl_config_move_done;
1943		ctl_datamove((union ctl_io *)ctsio);
1944
1945		return (CTL_RETVAL_COMPLETE);
1946	}
1947
1948	data = (struct scsi_write_using_token_data *)ctsio->kern_data_ptr;
1949	lendesc = scsi_2btoul(data->range_descriptor_length);
1950	if (len < sizeof(struct scsi_populate_token_data) + lendesc) {
1951		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1952		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1953		goto done;
1954	}
1955/*
1956	printf("WUT(list=%u) flags=%x off=%ju len=%x\n",
1957	    scsi_4btoul(cdb->list_identifier),
1958	    data->flags, scsi_8btou64(data->offset_into_rod),
1959	    scsi_2btoul(data->range_descriptor_length));
1960*/
1961	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1962	list->service_action = cdb->service_action;
1963	list->init_port = ctsio->io_hdr.nexus.targ_port;
1964	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1965	list->list_id = scsi_4btoul(cdb->list_identifier);
1966	list->flags = data->flags;
1967	list->params = ctsio->kern_data_ptr;
1968	list->range = &data->desc[0];
1969	list->nrange = scsi_2btoul(data->range_descriptor_length) /
1970	    sizeof(struct scsi_range_desc);
1971	list->offset_into_rod = scsi_8btou64(data->offset_into_rod);
1972	list->ctsio = ctsio;
1973	list->lun = lun;
1974	mtx_lock(&lun->lun_lock);
1975	tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1976	if (tlist != NULL && !tlist->completed) {
1977		mtx_unlock(&lun->lun_lock);
1978		free(list, M_CTL);
1979		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1980		    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1981		    /*bit*/ 0);
1982		goto done;
1983	}
1984	if (tlist != NULL) {
1985		TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1986		free(tlist, M_CTL);
1987	}
1988	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1989	mtx_unlock(&lun->lun_lock);
1990
1991	/* Block device zero ROD token -> no token. */
1992	if (scsi_4btoul(data->rod_token) == ROD_TYPE_BLOCK_ZERO) {
1993		tpc_process(list);
1994		return (CTL_RETVAL_COMPLETE);
1995	}
1996
1997	mtx_lock(&control_softc->ctl_lock);
1998	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links) {
1999		if (memcmp(token->token, data->rod_token,
2000		    sizeof(data->rod_token)) == 0)
2001			break;
2002	}
2003	if (token != NULL) {
2004		token->active++;
2005		list->token = token;
2006		if (data->flags & EC_WUT_DEL_TKN)
2007			token->timeout = 0;
2008	}
2009	mtx_unlock(&control_softc->ctl_lock);
2010	if (token == NULL) {
2011		mtx_lock(&lun->lun_lock);
2012		TAILQ_REMOVE(&lun->tpc_lists, list, links);
2013		mtx_unlock(&lun->lun_lock);
2014		free(list, M_CTL);
2015		ctl_set_sense(ctsio, /*current_error*/ 1,
2016		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
2017		    /*asc*/ 0x23, /*ascq*/ 0x04, SSD_ELEM_NONE);
2018		goto done;
2019	}
2020
2021	tpc_process(list);
2022	return (CTL_RETVAL_COMPLETE);
2023
2024done:
2025	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED)
2026		free(ctsio->kern_data_ptr, M_CTL);
2027	ctl_done((union ctl_io *)ctsio);
2028	return (CTL_RETVAL_COMPLETE);
2029}
2030
2031int
2032ctl_receive_rod_token_information(struct ctl_scsiio *ctsio)
2033{
2034	struct ctl_lun *lun;
2035	struct scsi_receive_rod_token_information *cdb;
2036	struct scsi_receive_copy_status_lid4_data *data;
2037	struct tpc_list *list;
2038	struct tpc_list list_copy;
2039	uint8_t *ptr;
2040	int retval;
2041	int alloc_len, total_len, token_len;
2042	uint32_t list_id;
2043
2044	CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
2045
2046	cdb = (struct scsi_receive_rod_token_information *)ctsio->cdb;
2047	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
2048
2049	retval = CTL_RETVAL_COMPLETE;
2050
2051	list_id = scsi_4btoul(cdb->list_identifier);
2052	mtx_lock(&lun->lun_lock);
2053	list = tpc_find_list(lun, list_id,
2054	    ctl_get_resindex(&ctsio->io_hdr.nexus));
2055	if (list == NULL) {
2056		mtx_unlock(&lun->lun_lock);
2057		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
2058		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
2059		    /*bit*/ 0);
2060		ctl_done((union ctl_io *)ctsio);
2061		return (retval);
2062	}
2063	list_copy = *list;
2064	if (list->completed) {
2065		TAILQ_REMOVE(&lun->tpc_lists, list, links);
2066		free(list, M_CTL);
2067	}
2068	mtx_unlock(&lun->lun_lock);
2069
2070	token_len = list_copy.res_token_valid ? 2 + sizeof(list_copy.res_token) : 0;
2071	total_len = sizeof(*data) + list_copy.sense_len + 4 + token_len;
2072	alloc_len = scsi_4btoul(cdb->length);
2073
2074	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
2075
2076	ctsio->kern_sg_entries = 0;
2077
2078	if (total_len < alloc_len) {
2079		ctsio->residual = alloc_len - total_len;
2080		ctsio->kern_data_len = total_len;
2081		ctsio->kern_total_len = total_len;
2082	} else {
2083		ctsio->residual = 0;
2084		ctsio->kern_data_len = alloc_len;
2085		ctsio->kern_total_len = alloc_len;
2086	}
2087	ctsio->kern_data_resid = 0;
2088	ctsio->kern_rel_offset = 0;
2089
2090	data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
2091	scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len +
2092	    4 + token_len, data->available_data);
2093	data->response_to_service_action = list_copy.service_action;
2094	if (list_copy.completed) {
2095		if (list_copy.error)
2096			data->copy_command_status = RCS_CCS_ERROR;
2097		else if (list_copy.abort)
2098			data->copy_command_status = RCS_CCS_ABORTED;
2099		else
2100			data->copy_command_status = RCS_CCS_COMPLETED;
2101	} else
2102		data->copy_command_status = RCS_CCS_INPROG_FG;
2103	scsi_ulto2b(list_copy.curops, data->operation_counter);
2104	scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
2105	data->transfer_count_units = RCS_TC_LBAS;
2106	scsi_u64to8b(list_copy.cursectors, data->transfer_count);
2107	scsi_ulto2b(list_copy.curseg, data->segments_processed);
2108	data->length_of_the_sense_data_field = list_copy.sense_len;
2109	data->sense_data_length = list_copy.sense_len;
2110	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
2111
2112	ptr = &data->sense_data[data->length_of_the_sense_data_field];
2113	scsi_ulto4b(token_len, &ptr[0]);
2114	if (list_copy.res_token_valid) {
2115		scsi_ulto2b(0, &ptr[4]);
2116		memcpy(&ptr[6], list_copy.res_token, sizeof(list_copy.res_token));
2117	}
2118/*
2119	printf("RRTI(list=%u) valid=%d\n",
2120	    scsi_4btoul(cdb->list_identifier), list_copy.res_token_valid);
2121*/
2122	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
2123	ctsio->be_move_done = ctl_config_move_done;
2124
2125	ctl_datamove((union ctl_io *)ctsio);
2126	return (retval);
2127}
2128
2129int
2130ctl_report_all_rod_tokens(struct ctl_scsiio *ctsio)
2131{
2132	struct ctl_lun *lun;
2133	struct scsi_report_all_rod_tokens *cdb;
2134	struct scsi_report_all_rod_tokens_data *data;
2135	struct tpc_token *token;
2136	int retval;
2137	int alloc_len, total_len, tokens, i;
2138
2139	CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
2140
2141	cdb = (struct scsi_report_all_rod_tokens *)ctsio->cdb;
2142	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
2143
2144	retval = CTL_RETVAL_COMPLETE;
2145
2146	tokens = 0;
2147	mtx_lock(&control_softc->ctl_lock);
2148	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links)
2149		tokens++;
2150	mtx_unlock(&control_softc->ctl_lock);
2151	if (tokens > 512)
2152		tokens = 512;
2153
2154	total_len = sizeof(*data) + tokens * 96;
2155	alloc_len = scsi_4btoul(cdb->length);
2156
2157	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
2158
2159	ctsio->kern_sg_entries = 0;
2160
2161	if (total_len < alloc_len) {
2162		ctsio->residual = alloc_len - total_len;
2163		ctsio->kern_data_len = total_len;
2164		ctsio->kern_total_len = total_len;
2165	} else {
2166		ctsio->residual = 0;
2167		ctsio->kern_data_len = alloc_len;
2168		ctsio->kern_total_len = alloc_len;
2169	}
2170	ctsio->kern_data_resid = 0;
2171	ctsio->kern_rel_offset = 0;
2172
2173	data = (struct scsi_report_all_rod_tokens_data *)ctsio->kern_data_ptr;
2174	i = 0;
2175	mtx_lock(&control_softc->ctl_lock);
2176	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links) {
2177		if (i >= tokens)
2178			break;
2179		memcpy(&data->rod_management_token_list[i * 96],
2180		    token->token, 96);
2181		i++;
2182	}
2183	mtx_unlock(&control_softc->ctl_lock);
2184	scsi_ulto4b(sizeof(*data) - 4 + i * 96, data->available_data);
2185/*
2186	printf("RART tokens=%d\n", i);
2187*/
2188	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
2189	ctsio->be_move_done = ctl_config_move_done;
2190
2191	ctl_datamove((union ctl_io *)ctsio);
2192	return (retval);
2193}
2194
2195