ctl_tpc.c revision 275881
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 275881 2014-12-18 08:25:00Z 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_assert(&control_softc->ctl_lock, MA_OWNED);
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}
240
241int
242ctl_inquiry_evpd_tpc(struct ctl_scsiio *ctsio, int alloc_len)
243{
244	struct scsi_vpd_tpc *tpc_ptr;
245	struct scsi_vpd_tpc_descriptor *d_ptr;
246	struct scsi_vpd_tpc_descriptor_bdrl *bdrl_ptr;
247	struct scsi_vpd_tpc_descriptor_sc *sc_ptr;
248	struct scsi_vpd_tpc_descriptor_sc_descr *scd_ptr;
249	struct scsi_vpd_tpc_descriptor_pd *pd_ptr;
250	struct scsi_vpd_tpc_descriptor_sd *sd_ptr;
251	struct scsi_vpd_tpc_descriptor_sdid *sdid_ptr;
252	struct scsi_vpd_tpc_descriptor_rtf *rtf_ptr;
253	struct scsi_vpd_tpc_descriptor_rtf_block *rtfb_ptr;
254	struct scsi_vpd_tpc_descriptor_srt *srt_ptr;
255	struct scsi_vpd_tpc_descriptor_srtd *srtd_ptr;
256	struct scsi_vpd_tpc_descriptor_gco *gco_ptr;
257	struct ctl_lun *lun;
258	int data_len;
259
260	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
261
262	data_len = sizeof(struct scsi_vpd_tpc) +
263	    sizeof(struct scsi_vpd_tpc_descriptor_bdrl) +
264	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sc) +
265	     2 * sizeof(struct scsi_vpd_tpc_descriptor_sc_descr) + 11, 4) +
266	    sizeof(struct scsi_vpd_tpc_descriptor_pd) +
267	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sd) + 4, 4) +
268	    roundup2(sizeof(struct scsi_vpd_tpc_descriptor_sdid) + 2, 4) +
269	    sizeof(struct scsi_vpd_tpc_descriptor_rtf) +
270	     sizeof(struct scsi_vpd_tpc_descriptor_rtf_block) +
271	    sizeof(struct scsi_vpd_tpc_descriptor_srt) +
272	     2*sizeof(struct scsi_vpd_tpc_descriptor_srtd) +
273	    sizeof(struct scsi_vpd_tpc_descriptor_gco);
274
275	ctsio->kern_data_ptr = malloc(data_len, M_CTL, M_WAITOK | M_ZERO);
276	tpc_ptr = (struct scsi_vpd_tpc *)ctsio->kern_data_ptr;
277	ctsio->kern_sg_entries = 0;
278
279	if (data_len < alloc_len) {
280		ctsio->residual = alloc_len - data_len;
281		ctsio->kern_data_len = data_len;
282		ctsio->kern_total_len = data_len;
283	} else {
284		ctsio->residual = 0;
285		ctsio->kern_data_len = alloc_len;
286		ctsio->kern_total_len = alloc_len;
287	}
288	ctsio->kern_data_resid = 0;
289	ctsio->kern_rel_offset = 0;
290	ctsio->kern_sg_entries = 0;
291
292	/*
293	 * The control device is always connected.  The disk device, on the
294	 * other hand, may not be online all the time.
295	 */
296	if (lun != NULL)
297		tpc_ptr->device = (SID_QUAL_LU_CONNECTED << 5) |
298				     lun->be_lun->lun_type;
299	else
300		tpc_ptr->device = (SID_QUAL_LU_OFFLINE << 5) | T_DIRECT;
301	tpc_ptr->page_code = SVPD_SCSI_TPC;
302	scsi_ulto2b(data_len - 4, tpc_ptr->page_length);
303
304	/* Block Device ROD Limits */
305	d_ptr = (struct scsi_vpd_tpc_descriptor *)&tpc_ptr->descr[0];
306	bdrl_ptr = (struct scsi_vpd_tpc_descriptor_bdrl *)d_ptr;
307	scsi_ulto2b(SVPD_TPC_BDRL, bdrl_ptr->desc_type);
308	scsi_ulto2b(sizeof(*bdrl_ptr) - 4, bdrl_ptr->desc_length);
309	scsi_ulto2b(TPC_MAX_SEGS, bdrl_ptr->maximum_ranges);
310	scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
311	    bdrl_ptr->maximum_inactivity_timeout);
312	scsi_ulto4b(TPC_DFL_TOKEN_TIMEOUT,
313	    bdrl_ptr->default_inactivity_timeout);
314	scsi_u64to8b(0, bdrl_ptr->maximum_token_transfer_size);
315	scsi_u64to8b(0, bdrl_ptr->optimal_transfer_count);
316
317	/* Supported commands */
318	d_ptr = (struct scsi_vpd_tpc_descriptor *)
319	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
320	sc_ptr = (struct scsi_vpd_tpc_descriptor_sc *)d_ptr;
321	scsi_ulto2b(SVPD_TPC_SC, sc_ptr->desc_type);
322	sc_ptr->list_length = 2 * sizeof(*scd_ptr) + 11;
323	scsi_ulto2b(roundup2(1 + sc_ptr->list_length, 4), sc_ptr->desc_length);
324	scd_ptr = &sc_ptr->descr[0];
325	scd_ptr->opcode = EXTENDED_COPY;
326	scd_ptr->sa_length = 5;
327	scd_ptr->supported_service_actions[0] = EC_EC_LID1;
328	scd_ptr->supported_service_actions[1] = EC_EC_LID4;
329	scd_ptr->supported_service_actions[2] = EC_PT;
330	scd_ptr->supported_service_actions[3] = EC_WUT;
331	scd_ptr->supported_service_actions[4] = EC_COA;
332	scd_ptr = (struct scsi_vpd_tpc_descriptor_sc_descr *)
333	    &scd_ptr->supported_service_actions[scd_ptr->sa_length];
334	scd_ptr->opcode = RECEIVE_COPY_STATUS;
335	scd_ptr->sa_length = 6;
336	scd_ptr->supported_service_actions[0] = RCS_RCS_LID1;
337	scd_ptr->supported_service_actions[1] = RCS_RCFD;
338	scd_ptr->supported_service_actions[2] = RCS_RCS_LID4;
339	scd_ptr->supported_service_actions[3] = RCS_RCOP;
340	scd_ptr->supported_service_actions[4] = RCS_RRTI;
341	scd_ptr->supported_service_actions[5] = RCS_RART;
342
343	/* Parameter data. */
344	d_ptr = (struct scsi_vpd_tpc_descriptor *)
345	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
346	pd_ptr = (struct scsi_vpd_tpc_descriptor_pd *)d_ptr;
347	scsi_ulto2b(SVPD_TPC_PD, pd_ptr->desc_type);
348	scsi_ulto2b(sizeof(*pd_ptr) - 4, pd_ptr->desc_length);
349	scsi_ulto2b(TPC_MAX_CSCDS, pd_ptr->maximum_cscd_descriptor_count);
350	scsi_ulto2b(TPC_MAX_SEGS, pd_ptr->maximum_segment_descriptor_count);
351	scsi_ulto4b(TPC_MAX_LIST, pd_ptr->maximum_descriptor_list_length);
352	scsi_ulto4b(TPC_MAX_INLINE, pd_ptr->maximum_inline_data_length);
353
354	/* Supported Descriptors */
355	d_ptr = (struct scsi_vpd_tpc_descriptor *)
356	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
357	sd_ptr = (struct scsi_vpd_tpc_descriptor_sd *)d_ptr;
358	scsi_ulto2b(SVPD_TPC_SD, sd_ptr->desc_type);
359	scsi_ulto2b(roundup2(sizeof(*sd_ptr) - 4 + 4, 4), sd_ptr->desc_length);
360	sd_ptr->list_length = 4;
361	sd_ptr->supported_descriptor_codes[0] = EC_SEG_B2B;
362	sd_ptr->supported_descriptor_codes[1] = EC_SEG_VERIFY;
363	sd_ptr->supported_descriptor_codes[2] = EC_SEG_REGISTER_KEY;
364	sd_ptr->supported_descriptor_codes[3] = EC_CSCD_ID;
365
366	/* Supported CSCD Descriptor IDs */
367	d_ptr = (struct scsi_vpd_tpc_descriptor *)
368	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
369	sdid_ptr = (struct scsi_vpd_tpc_descriptor_sdid *)d_ptr;
370	scsi_ulto2b(SVPD_TPC_SDID, sdid_ptr->desc_type);
371	scsi_ulto2b(roundup2(sizeof(*sdid_ptr) - 4 + 2, 4), sdid_ptr->desc_length);
372	scsi_ulto2b(2, sdid_ptr->list_length);
373	scsi_ulto2b(0xffff, &sdid_ptr->supported_descriptor_ids[0]);
374
375	/* ROD Token Features */
376	d_ptr = (struct scsi_vpd_tpc_descriptor *)
377	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
378	rtf_ptr = (struct scsi_vpd_tpc_descriptor_rtf *)d_ptr;
379	scsi_ulto2b(SVPD_TPC_RTF, rtf_ptr->desc_type);
380	scsi_ulto2b(sizeof(*rtf_ptr) - 4 + sizeof(*rtfb_ptr), rtf_ptr->desc_length);
381	rtf_ptr->remote_tokens = 0;
382	scsi_ulto4b(TPC_MIN_TOKEN_TIMEOUT, rtf_ptr->minimum_token_lifetime);
383	scsi_ulto4b(UINT32_MAX, rtf_ptr->maximum_token_lifetime);
384	scsi_ulto4b(TPC_MAX_TOKEN_TIMEOUT,
385	    rtf_ptr->maximum_token_inactivity_timeout);
386	scsi_ulto2b(sizeof(*rtfb_ptr), rtf_ptr->type_specific_features_length);
387	rtfb_ptr = (struct scsi_vpd_tpc_descriptor_rtf_block *)
388	    &rtf_ptr->type_specific_features;
389	rtfb_ptr->type_format = SVPD_TPC_RTF_BLOCK;
390	scsi_ulto2b(sizeof(*rtfb_ptr) - 4, rtfb_ptr->desc_length);
391	scsi_ulto2b(0, rtfb_ptr->optimal_length_granularity);
392	scsi_u64to8b(0, rtfb_ptr->maximum_bytes);
393	scsi_u64to8b(0, rtfb_ptr->optimal_bytes);
394	scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
395	    rtfb_ptr->optimal_bytes_to_token_per_segment);
396	scsi_u64to8b(TPC_MAX_IOCHUNK_SIZE,
397	    rtfb_ptr->optimal_bytes_from_token_per_segment);
398
399	/* Supported ROD Tokens */
400	d_ptr = (struct scsi_vpd_tpc_descriptor *)
401	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
402	srt_ptr = (struct scsi_vpd_tpc_descriptor_srt *)d_ptr;
403	scsi_ulto2b(SVPD_TPC_SRT, srt_ptr->desc_type);
404	scsi_ulto2b(sizeof(*srt_ptr) - 4 + 2*sizeof(*srtd_ptr), srt_ptr->desc_length);
405	scsi_ulto2b(2*sizeof(*srtd_ptr), srt_ptr->rod_type_descriptors_length);
406	srtd_ptr = (struct scsi_vpd_tpc_descriptor_srtd *)
407	    &srt_ptr->rod_type_descriptors;
408	scsi_ulto4b(ROD_TYPE_AUR, srtd_ptr->rod_type);
409	srtd_ptr->flags = SVPD_TPC_SRTD_TIN | SVPD_TPC_SRTD_TOUT;
410	scsi_ulto2b(0, srtd_ptr->preference_indicator);
411	srtd_ptr++;
412	scsi_ulto4b(ROD_TYPE_BLOCK_ZERO, srtd_ptr->rod_type);
413	srtd_ptr->flags = SVPD_TPC_SRTD_TIN;
414	scsi_ulto2b(0, srtd_ptr->preference_indicator);
415
416	/* General Copy Operations */
417	d_ptr = (struct scsi_vpd_tpc_descriptor *)
418	    (&d_ptr->parameters[0] + scsi_2btoul(d_ptr->desc_length));
419	gco_ptr = (struct scsi_vpd_tpc_descriptor_gco *)d_ptr;
420	scsi_ulto2b(SVPD_TPC_GCO, gco_ptr->desc_type);
421	scsi_ulto2b(sizeof(*gco_ptr) - 4, gco_ptr->desc_length);
422	scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->total_concurrent_copies);
423	scsi_ulto4b(TPC_MAX_LISTS, gco_ptr->maximum_identified_concurrent_copies);
424	scsi_ulto4b(TPC_MAX_SEG, gco_ptr->maximum_segment_length);
425	gco_ptr->data_segment_granularity = 0;
426	gco_ptr->inline_data_granularity = 0;
427
428	ctl_set_success(ctsio);
429	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
430	ctsio->be_move_done = ctl_config_move_done;
431	ctl_datamove((union ctl_io *)ctsio);
432
433	return (CTL_RETVAL_COMPLETE);
434}
435
436int
437ctl_receive_copy_operating_parameters(struct ctl_scsiio *ctsio)
438{
439	struct scsi_receive_copy_operating_parameters *cdb;
440	struct scsi_receive_copy_operating_parameters_data *data;
441	int retval;
442	int alloc_len, total_len;
443
444	CTL_DEBUG_PRINT(("ctl_report_supported_tmf\n"));
445
446	cdb = (struct scsi_receive_copy_operating_parameters *)ctsio->cdb;
447
448	retval = CTL_RETVAL_COMPLETE;
449
450	total_len = sizeof(*data) + 4;
451	alloc_len = scsi_4btoul(cdb->length);
452
453	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
454
455	ctsio->kern_sg_entries = 0;
456
457	if (total_len < alloc_len) {
458		ctsio->residual = alloc_len - total_len;
459		ctsio->kern_data_len = total_len;
460		ctsio->kern_total_len = total_len;
461	} else {
462		ctsio->residual = 0;
463		ctsio->kern_data_len = alloc_len;
464		ctsio->kern_total_len = alloc_len;
465	}
466	ctsio->kern_data_resid = 0;
467	ctsio->kern_rel_offset = 0;
468
469	data = (struct scsi_receive_copy_operating_parameters_data *)ctsio->kern_data_ptr;
470	scsi_ulto4b(sizeof(*data) - 4 + 4, data->length);
471	data->snlid = RCOP_SNLID;
472	scsi_ulto2b(TPC_MAX_CSCDS, data->maximum_cscd_descriptor_count);
473	scsi_ulto2b(TPC_MAX_SEGS, data->maximum_segment_descriptor_count);
474	scsi_ulto4b(TPC_MAX_LIST, data->maximum_descriptor_list_length);
475	scsi_ulto4b(TPC_MAX_SEG, data->maximum_segment_length);
476	scsi_ulto4b(TPC_MAX_INLINE, data->maximum_inline_data_length);
477	scsi_ulto4b(0, data->held_data_limit);
478	scsi_ulto4b(0, data->maximum_stream_device_transfer_size);
479	scsi_ulto2b(TPC_MAX_LISTS, data->total_concurrent_copies);
480	data->maximum_concurrent_copies = TPC_MAX_LISTS;
481	data->data_segment_granularity = 0;
482	data->inline_data_granularity = 0;
483	data->held_data_granularity = 0;
484	data->implemented_descriptor_list_length = 4;
485	data->list_of_implemented_descriptor_type_codes[0] = EC_SEG_B2B;
486	data->list_of_implemented_descriptor_type_codes[1] = EC_SEG_VERIFY;
487	data->list_of_implemented_descriptor_type_codes[2] = EC_SEG_REGISTER_KEY;
488	data->list_of_implemented_descriptor_type_codes[3] = EC_CSCD_ID;
489
490	ctl_set_success(ctsio);
491	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
492	ctsio->be_move_done = ctl_config_move_done;
493	ctl_datamove((union ctl_io *)ctsio);
494	return (retval);
495}
496
497static struct tpc_list *
498tpc_find_list(struct ctl_lun *lun, uint32_t list_id, uint32_t init_idx)
499{
500	struct tpc_list *list;
501
502	mtx_assert(&lun->lun_lock, MA_OWNED);
503	TAILQ_FOREACH(list, &lun->tpc_lists, links) {
504		if ((list->flags & EC_LIST_ID_USAGE_MASK) !=
505		     EC_LIST_ID_USAGE_NONE && list->list_id == list_id &&
506		    list->init_idx == init_idx)
507			break;
508	}
509	return (list);
510}
511
512int
513ctl_receive_copy_status_lid1(struct ctl_scsiio *ctsio)
514{
515	struct ctl_lun *lun;
516	struct scsi_receive_copy_status_lid1 *cdb;
517	struct scsi_receive_copy_status_lid1_data *data;
518	struct tpc_list *list;
519	struct tpc_list list_copy;
520	int retval;
521	int alloc_len, total_len;
522	uint32_t list_id;
523
524	CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid1\n"));
525
526	cdb = (struct scsi_receive_copy_status_lid1 *)ctsio->cdb;
527	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
528
529	retval = CTL_RETVAL_COMPLETE;
530
531	list_id = cdb->list_identifier;
532	mtx_lock(&lun->lun_lock);
533	list = tpc_find_list(lun, list_id,
534	    ctl_get_resindex(&ctsio->io_hdr.nexus));
535	if (list == NULL) {
536		mtx_unlock(&lun->lun_lock);
537		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
538		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
539		    /*bit*/ 0);
540		ctl_done((union ctl_io *)ctsio);
541		return (retval);
542	}
543	list_copy = *list;
544	if (list->completed) {
545		TAILQ_REMOVE(&lun->tpc_lists, list, links);
546		free(list, M_CTL);
547	}
548	mtx_unlock(&lun->lun_lock);
549
550	total_len = sizeof(*data);
551	alloc_len = scsi_4btoul(cdb->length);
552
553	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
554
555	ctsio->kern_sg_entries = 0;
556
557	if (total_len < alloc_len) {
558		ctsio->residual = alloc_len - total_len;
559		ctsio->kern_data_len = total_len;
560		ctsio->kern_total_len = total_len;
561	} else {
562		ctsio->residual = 0;
563		ctsio->kern_data_len = alloc_len;
564		ctsio->kern_total_len = alloc_len;
565	}
566	ctsio->kern_data_resid = 0;
567	ctsio->kern_rel_offset = 0;
568
569	data = (struct scsi_receive_copy_status_lid1_data *)ctsio->kern_data_ptr;
570	scsi_ulto4b(sizeof(*data) - 4, data->available_data);
571	if (list_copy.completed) {
572		if (list_copy.error || list_copy.abort)
573			data->copy_command_status = RCS_CCS_ERROR;
574		else
575			data->copy_command_status = RCS_CCS_COMPLETED;
576	} else
577		data->copy_command_status = RCS_CCS_INPROG;
578	scsi_ulto2b(list_copy.curseg, data->segments_processed);
579	if (list_copy.curbytes <= UINT32_MAX) {
580		data->transfer_count_units = RCS_TC_BYTES;
581		scsi_ulto4b(list_copy.curbytes, data->transfer_count);
582	} else {
583		data->transfer_count_units = RCS_TC_MBYTES;
584		scsi_ulto4b(list_copy.curbytes >> 20, data->transfer_count);
585	}
586
587	ctl_set_success(ctsio);
588	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
589	ctsio->be_move_done = ctl_config_move_done;
590	ctl_datamove((union ctl_io *)ctsio);
591	return (retval);
592}
593
594int
595ctl_receive_copy_failure_details(struct ctl_scsiio *ctsio)
596{
597	struct ctl_lun *lun;
598	struct scsi_receive_copy_failure_details *cdb;
599	struct scsi_receive_copy_failure_details_data *data;
600	struct tpc_list *list;
601	struct tpc_list list_copy;
602	int retval;
603	int alloc_len, total_len;
604	uint32_t list_id;
605
606	CTL_DEBUG_PRINT(("ctl_receive_copy_failure_details\n"));
607
608	cdb = (struct scsi_receive_copy_failure_details *)ctsio->cdb;
609	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
610
611	retval = CTL_RETVAL_COMPLETE;
612
613	list_id = cdb->list_identifier;
614	mtx_lock(&lun->lun_lock);
615	list = tpc_find_list(lun, list_id,
616	    ctl_get_resindex(&ctsio->io_hdr.nexus));
617	if (list == NULL || !list->completed) {
618		mtx_unlock(&lun->lun_lock);
619		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
620		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
621		    /*bit*/ 0);
622		ctl_done((union ctl_io *)ctsio);
623		return (retval);
624	}
625	list_copy = *list;
626	TAILQ_REMOVE(&lun->tpc_lists, list, links);
627	free(list, M_CTL);
628	mtx_unlock(&lun->lun_lock);
629
630	total_len = sizeof(*data) + list_copy.sense_len;
631	alloc_len = scsi_4btoul(cdb->length);
632
633	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
634
635	ctsio->kern_sg_entries = 0;
636
637	if (total_len < alloc_len) {
638		ctsio->residual = alloc_len - total_len;
639		ctsio->kern_data_len = total_len;
640		ctsio->kern_total_len = total_len;
641	} else {
642		ctsio->residual = 0;
643		ctsio->kern_data_len = alloc_len;
644		ctsio->kern_total_len = alloc_len;
645	}
646	ctsio->kern_data_resid = 0;
647	ctsio->kern_rel_offset = 0;
648
649	data = (struct scsi_receive_copy_failure_details_data *)ctsio->kern_data_ptr;
650	if (list_copy.completed && (list_copy.error || list_copy.abort)) {
651		scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
652		    data->available_data);
653		data->copy_command_status = RCS_CCS_ERROR;
654	} else
655		scsi_ulto4b(0, data->available_data);
656	scsi_ulto2b(list_copy.sense_len, data->sense_data_length);
657	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
658
659	ctl_set_success(ctsio);
660	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
661	ctsio->be_move_done = ctl_config_move_done;
662	ctl_datamove((union ctl_io *)ctsio);
663	return (retval);
664}
665
666int
667ctl_receive_copy_status_lid4(struct ctl_scsiio *ctsio)
668{
669	struct ctl_lun *lun;
670	struct scsi_receive_copy_status_lid4 *cdb;
671	struct scsi_receive_copy_status_lid4_data *data;
672	struct tpc_list *list;
673	struct tpc_list list_copy;
674	int retval;
675	int alloc_len, total_len;
676	uint32_t list_id;
677
678	CTL_DEBUG_PRINT(("ctl_receive_copy_status_lid4\n"));
679
680	cdb = (struct scsi_receive_copy_status_lid4 *)ctsio->cdb;
681	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
682
683	retval = CTL_RETVAL_COMPLETE;
684
685	list_id = scsi_4btoul(cdb->list_identifier);
686	mtx_lock(&lun->lun_lock);
687	list = tpc_find_list(lun, list_id,
688	    ctl_get_resindex(&ctsio->io_hdr.nexus));
689	if (list == NULL) {
690		mtx_unlock(&lun->lun_lock);
691		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
692		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
693		    /*bit*/ 0);
694		ctl_done((union ctl_io *)ctsio);
695		return (retval);
696	}
697	list_copy = *list;
698	if (list->completed) {
699		TAILQ_REMOVE(&lun->tpc_lists, list, links);
700		free(list, M_CTL);
701	}
702	mtx_unlock(&lun->lun_lock);
703
704	total_len = sizeof(*data) + list_copy.sense_len;
705	alloc_len = scsi_4btoul(cdb->length);
706
707	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
708
709	ctsio->kern_sg_entries = 0;
710
711	if (total_len < alloc_len) {
712		ctsio->residual = alloc_len - total_len;
713		ctsio->kern_data_len = total_len;
714		ctsio->kern_total_len = total_len;
715	} else {
716		ctsio->residual = 0;
717		ctsio->kern_data_len = alloc_len;
718		ctsio->kern_total_len = alloc_len;
719	}
720	ctsio->kern_data_resid = 0;
721	ctsio->kern_rel_offset = 0;
722
723	data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
724	scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len,
725	    data->available_data);
726	data->response_to_service_action = list_copy.service_action;
727	if (list_copy.completed) {
728		if (list_copy.error)
729			data->copy_command_status = RCS_CCS_ERROR;
730		else if (list_copy.abort)
731			data->copy_command_status = RCS_CCS_ABORTED;
732		else
733			data->copy_command_status = RCS_CCS_COMPLETED;
734	} else
735		data->copy_command_status = RCS_CCS_INPROG_FG;
736	scsi_ulto2b(list_copy.curops, data->operation_counter);
737	scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
738	data->transfer_count_units = RCS_TC_BYTES;
739	scsi_u64to8b(list_copy.curbytes, data->transfer_count);
740	scsi_ulto2b(list_copy.curseg, data->segments_processed);
741	data->length_of_the_sense_data_field = list_copy.sense_len;
742	data->sense_data_length = list_copy.sense_len;
743	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
744
745	ctl_set_success(ctsio);
746	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
747	ctsio->be_move_done = ctl_config_move_done;
748	ctl_datamove((union ctl_io *)ctsio);
749	return (retval);
750}
751
752int
753ctl_copy_operation_abort(struct ctl_scsiio *ctsio)
754{
755	struct ctl_lun *lun;
756	struct scsi_copy_operation_abort *cdb;
757	struct tpc_list *list;
758	int retval;
759	uint32_t list_id;
760
761	CTL_DEBUG_PRINT(("ctl_copy_operation_abort\n"));
762
763	cdb = (struct scsi_copy_operation_abort *)ctsio->cdb;
764	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
765
766	retval = CTL_RETVAL_COMPLETE;
767
768	list_id = scsi_4btoul(cdb->list_identifier);
769	mtx_lock(&lun->lun_lock);
770	list = tpc_find_list(lun, list_id,
771	    ctl_get_resindex(&ctsio->io_hdr.nexus));
772	if (list == NULL) {
773		mtx_unlock(&lun->lun_lock);
774		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
775		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
776		    /*bit*/ 0);
777		ctl_done((union ctl_io *)ctsio);
778		return (retval);
779	}
780	list->abort = 1;
781	mtx_unlock(&lun->lun_lock);
782
783	ctl_set_success(ctsio);
784	ctl_done((union ctl_io *)ctsio);
785	return (retval);
786}
787
788static uint64_t
789tpc_resolve(struct tpc_list *list, uint16_t idx, uint32_t *ss)
790{
791
792	if (idx == 0xffff) {
793		if (ss && list->lun->be_lun)
794			*ss = list->lun->be_lun->blocksize;
795		return (list->lun->lun);
796	}
797	if (idx >= list->ncscd)
798		return (UINT64_MAX);
799	return (tpcl_resolve(list->init_port, &list->cscd[idx], ss));
800}
801
802static int
803tpc_process_b2b(struct tpc_list *list)
804{
805	struct scsi_ec_segment_b2b *seg;
806	struct scsi_ec_cscd_dtsp *sdstp, *ddstp;
807	struct tpc_io *tior, *tiow;
808	struct runl run, *prun;
809	uint64_t sl, dl;
810	off_t srclba, dstlba, numbytes, donebytes, roundbytes;
811	int numlba;
812	uint32_t srcblock, dstblock;
813
814	if (list->stage == 1) {
815		while ((tior = TAILQ_FIRST(&list->allio)) != NULL) {
816			TAILQ_REMOVE(&list->allio, tior, links);
817			ctl_free_io(tior->io);
818			free(tior, M_CTL);
819		}
820		free(list->buf, M_CTL);
821		if (list->abort) {
822			ctl_set_task_aborted(list->ctsio);
823			return (CTL_RETVAL_ERROR);
824		} else if (list->error) {
825			ctl_set_sense(list->ctsio, /*current_error*/ 1,
826			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
827			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
828			return (CTL_RETVAL_ERROR);
829		}
830		list->cursectors += list->segsectors;
831		list->curbytes += list->segbytes;
832		return (CTL_RETVAL_COMPLETE);
833	}
834
835	TAILQ_INIT(&list->allio);
836	seg = (struct scsi_ec_segment_b2b *)list->seg[list->curseg];
837	sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), &srcblock);
838	dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), &dstblock);
839	if (sl >= CTL_MAX_LUNS || dl >= CTL_MAX_LUNS) {
840		ctl_set_sense(list->ctsio, /*current_error*/ 1,
841		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
842		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
843		return (CTL_RETVAL_ERROR);
844	}
845	sdstp = &list->cscd[scsi_2btoul(seg->src_cscd)].dtsp;
846	if (scsi_3btoul(sdstp->block_length) != 0)
847		srcblock = scsi_3btoul(sdstp->block_length);
848	ddstp = &list->cscd[scsi_2btoul(seg->dst_cscd)].dtsp;
849	if (scsi_3btoul(ddstp->block_length) != 0)
850		dstblock = scsi_3btoul(ddstp->block_length);
851	numlba = scsi_2btoul(seg->number_of_blocks);
852	if (seg->flags & EC_SEG_DC)
853		numbytes = (off_t)numlba * dstblock;
854	else
855		numbytes = (off_t)numlba * srcblock;
856	srclba = scsi_8btou64(seg->src_lba);
857	dstlba = scsi_8btou64(seg->dst_lba);
858
859//	printf("Copy %ju bytes from %ju @ %ju to %ju @ %ju\n",
860//	    (uintmax_t)numbytes, sl, scsi_8btou64(seg->src_lba),
861//	    dl, scsi_8btou64(seg->dst_lba));
862
863	if (numbytes == 0)
864		return (CTL_RETVAL_COMPLETE);
865
866	if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
867		ctl_set_sense(list->ctsio, /*current_error*/ 1,
868		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
869		    /*asc*/ 0x26, /*ascq*/ 0x0A, SSD_ELEM_NONE);
870		return (CTL_RETVAL_ERROR);
871	}
872
873	list->buf = malloc(numbytes, M_CTL, M_WAITOK);
874	list->segbytes = numbytes;
875	list->segsectors = numbytes / dstblock;
876	donebytes = 0;
877	TAILQ_INIT(&run);
878	prun = &run;
879	list->tbdio = 1;
880	while (donebytes < numbytes) {
881		roundbytes = MIN(numbytes - donebytes, TPC_MAX_IO_SIZE);
882
883		tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
884		TAILQ_INIT(&tior->run);
885		tior->list = list;
886		TAILQ_INSERT_TAIL(&list->allio, tior, links);
887		tior->io = tpcl_alloc_io();
888		ctl_scsi_read_write(tior->io,
889				    /*data_ptr*/ &list->buf[donebytes],
890				    /*data_len*/ roundbytes,
891				    /*read_op*/ 1,
892				    /*byte2*/ 0,
893				    /*minimum_cdb_size*/ 0,
894				    /*lba*/ srclba + donebytes / srcblock,
895				    /*num_blocks*/ roundbytes / srcblock,
896				    /*tag_type*/ CTL_TAG_SIMPLE,
897				    /*control*/ 0);
898		tior->io->io_hdr.retries = 3;
899		tior->lun = sl;
900		tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
901
902		tiow = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
903		TAILQ_INIT(&tiow->run);
904		tiow->list = list;
905		TAILQ_INSERT_TAIL(&list->allio, tiow, links);
906		tiow->io = tpcl_alloc_io();
907		ctl_scsi_read_write(tiow->io,
908				    /*data_ptr*/ &list->buf[donebytes],
909				    /*data_len*/ roundbytes,
910				    /*read_op*/ 0,
911				    /*byte2*/ 0,
912				    /*minimum_cdb_size*/ 0,
913				    /*lba*/ dstlba + donebytes / dstblock,
914				    /*num_blocks*/ roundbytes / dstblock,
915				    /*tag_type*/ CTL_TAG_SIMPLE,
916				    /*control*/ 0);
917		tiow->io->io_hdr.retries = 3;
918		tiow->lun = dl;
919		tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
920
921		TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
922		TAILQ_INSERT_TAIL(prun, tior, rlinks);
923		prun = &tior->run;
924		donebytes += roundbytes;
925	}
926
927	while ((tior = TAILQ_FIRST(&run)) != NULL) {
928		TAILQ_REMOVE(&run, tior, rlinks);
929		if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
930			panic("tpcl_queue() error");
931	}
932
933	list->stage++;
934	return (CTL_RETVAL_QUEUED);
935}
936
937static int
938tpc_process_verify(struct tpc_list *list)
939{
940	struct scsi_ec_segment_verify *seg;
941	struct tpc_io *tio;
942	uint64_t sl;
943
944	if (list->stage == 1) {
945		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
946			TAILQ_REMOVE(&list->allio, tio, links);
947			ctl_free_io(tio->io);
948			free(tio, M_CTL);
949		}
950		if (list->abort) {
951			ctl_set_task_aborted(list->ctsio);
952			return (CTL_RETVAL_ERROR);
953		} else if (list->error) {
954			ctl_set_sense(list->ctsio, /*current_error*/ 1,
955			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
956			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
957			return (CTL_RETVAL_ERROR);
958		} else
959			return (CTL_RETVAL_COMPLETE);
960	}
961
962	TAILQ_INIT(&list->allio);
963	seg = (struct scsi_ec_segment_verify *)list->seg[list->curseg];
964	sl = tpc_resolve(list, scsi_2btoul(seg->src_cscd), NULL);
965	if (sl >= CTL_MAX_LUNS) {
966		ctl_set_sense(list->ctsio, /*current_error*/ 1,
967		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
968		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
969		return (CTL_RETVAL_ERROR);
970	}
971
972//	printf("Verify %ju\n", sl);
973
974	if ((seg->tur & 0x01) == 0)
975		return (CTL_RETVAL_COMPLETE);
976
977	list->tbdio = 1;
978	tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
979	TAILQ_INIT(&tio->run);
980	tio->list = list;
981	TAILQ_INSERT_TAIL(&list->allio, tio, links);
982	tio->io = tpcl_alloc_io();
983	ctl_scsi_tur(tio->io, /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
984	tio->io->io_hdr.retries = 3;
985	tio->lun = sl;
986	tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
987	list->stage++;
988	if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
989		panic("tpcl_queue() error");
990	return (CTL_RETVAL_QUEUED);
991}
992
993static int
994tpc_process_register_key(struct tpc_list *list)
995{
996	struct scsi_ec_segment_register_key *seg;
997	struct tpc_io *tio;
998	uint64_t dl;
999	int datalen;
1000
1001	if (list->stage == 1) {
1002		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
1003			TAILQ_REMOVE(&list->allio, tio, links);
1004			ctl_free_io(tio->io);
1005			free(tio, M_CTL);
1006		}
1007		free(list->buf, M_CTL);
1008		if (list->abort) {
1009			ctl_set_task_aborted(list->ctsio);
1010			return (CTL_RETVAL_ERROR);
1011		} else if (list->error) {
1012			ctl_set_sense(list->ctsio, /*current_error*/ 1,
1013			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1014			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
1015			return (CTL_RETVAL_ERROR);
1016		} else
1017			return (CTL_RETVAL_COMPLETE);
1018	}
1019
1020	TAILQ_INIT(&list->allio);
1021	seg = (struct scsi_ec_segment_register_key *)list->seg[list->curseg];
1022	dl = tpc_resolve(list, scsi_2btoul(seg->dst_cscd), NULL);
1023	if (dl >= CTL_MAX_LUNS) {
1024		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1025		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1026		    /*asc*/ 0x08, /*ascq*/ 0x04, SSD_ELEM_NONE);
1027		return (CTL_RETVAL_ERROR);
1028	}
1029
1030//	printf("Register Key %ju\n", dl);
1031
1032	list->tbdio = 1;
1033	tio = malloc(sizeof(*tio), M_CTL, M_WAITOK | M_ZERO);
1034	TAILQ_INIT(&tio->run);
1035	tio->list = list;
1036	TAILQ_INSERT_TAIL(&list->allio, tio, links);
1037	tio->io = tpcl_alloc_io();
1038	datalen = sizeof(struct scsi_per_res_out_parms);
1039	list->buf = malloc(datalen, M_CTL, M_WAITOK);
1040	ctl_scsi_persistent_res_out(tio->io,
1041	    list->buf, datalen, SPRO_REGISTER, -1,
1042	    scsi_8btou64(seg->res_key), scsi_8btou64(seg->sa_res_key),
1043	    /*tag_type*/ CTL_TAG_SIMPLE, /*control*/ 0);
1044	tio->io->io_hdr.retries = 3;
1045	tio->lun = dl;
1046	tio->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tio;
1047	list->stage++;
1048	if (tpcl_queue(tio->io, tio->lun) != CTL_RETVAL_COMPLETE)
1049		panic("tpcl_queue() error");
1050	return (CTL_RETVAL_QUEUED);
1051}
1052
1053static off_t
1054tpc_ranges_length(struct scsi_range_desc *range, int nrange)
1055{
1056	off_t length = 0;
1057	int r;
1058
1059	for (r = 0; r < nrange; r++)
1060		length += scsi_4btoul(range[r].length);
1061	return (length);
1062}
1063
1064static int
1065tpc_skip_ranges(struct scsi_range_desc *range, int nrange, off_t skip,
1066    int *srange, off_t *soffset)
1067{
1068	off_t off;
1069	int r;
1070
1071	r = 0;
1072	off = 0;
1073	while (r < nrange) {
1074		if (skip - off < scsi_4btoul(range[r].length)) {
1075			*srange = r;
1076			*soffset = skip - off;
1077			return (0);
1078		}
1079		off += scsi_4btoul(range[r].length);
1080		r++;
1081	}
1082	return (-1);
1083}
1084
1085static int
1086tpc_process_wut(struct tpc_list *list)
1087{
1088	struct tpc_io *tio, *tior, *tiow;
1089	struct runl run, *prun;
1090	int drange, srange;
1091	off_t doffset, soffset;
1092	off_t srclba, dstlba, numbytes, donebytes, roundbytes;
1093	uint32_t srcblock, dstblock;
1094
1095	if (list->stage > 0) {
1096		/* Cleanup after previous rounds. */
1097		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
1098			TAILQ_REMOVE(&list->allio, tio, links);
1099			ctl_free_io(tio->io);
1100			free(tio, M_CTL);
1101		}
1102		free(list->buf, M_CTL);
1103		if (list->abort) {
1104			ctl_set_task_aborted(list->ctsio);
1105			return (CTL_RETVAL_ERROR);
1106		} else if (list->error) {
1107			ctl_set_sense(list->ctsio, /*current_error*/ 1,
1108			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1109			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
1110			return (CTL_RETVAL_ERROR);
1111		}
1112		list->cursectors += list->segsectors;
1113		list->curbytes += list->segbytes;
1114	}
1115
1116	/* Check where we are on destination ranges list. */
1117	if (tpc_skip_ranges(list->range, list->nrange, list->cursectors,
1118	    &drange, &doffset) != 0)
1119		return (CTL_RETVAL_COMPLETE);
1120	dstblock = list->lun->be_lun->blocksize;
1121
1122	/* Check where we are on source ranges list. */
1123	srcblock = list->token->blocksize;
1124	if (tpc_skip_ranges(list->token->range, list->token->nrange,
1125	    list->offset_into_rod + list->cursectors * dstblock / srcblock,
1126	    &srange, &soffset) != 0) {
1127		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1128		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1129		    /*asc*/ 0x0d, /*ascq*/ 0x04, SSD_ELEM_NONE);
1130		return (CTL_RETVAL_ERROR);
1131	}
1132
1133	srclba = scsi_8btou64(list->token->range[srange].lba) + soffset;
1134	numbytes = srcblock * omin(TPC_MAX_IOCHUNK_SIZE / srcblock,
1135	    (scsi_4btoul(list->token->range[srange].length) - soffset));
1136	dstlba = scsi_8btou64(list->range[drange].lba) + doffset;
1137	numbytes = omin(numbytes,
1138	    dstblock * omin(TPC_MAX_IOCHUNK_SIZE / dstblock,
1139	    (scsi_4btoul(list->range[drange].length) - doffset)));
1140
1141	if (numbytes % srcblock != 0 || numbytes % dstblock != 0) {
1142		ctl_set_sense(list->ctsio, /*current_error*/ 1,
1143		    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1144		    /*asc*/ 0x26, /*ascq*/ 0x0A, SSD_ELEM_NONE);
1145		return (CTL_RETVAL_ERROR);
1146	}
1147
1148	list->buf = malloc(numbytes, M_CTL, M_WAITOK |
1149	    (list->token == NULL ? M_ZERO : 0));
1150	list->segbytes = numbytes;
1151	list->segsectors = numbytes / dstblock;
1152//printf("Copy chunk of %ju sectors from %ju to %ju\n", list->segsectors,
1153//    srclba, dstlba);
1154	donebytes = 0;
1155	TAILQ_INIT(&run);
1156	prun = &run;
1157	list->tbdio = 1;
1158	TAILQ_INIT(&list->allio);
1159	while (donebytes < numbytes) {
1160		roundbytes = MIN(numbytes - donebytes, TPC_MAX_IO_SIZE);
1161
1162		tior = malloc(sizeof(*tior), M_CTL, M_WAITOK | M_ZERO);
1163		TAILQ_INIT(&tior->run);
1164		tior->list = list;
1165		TAILQ_INSERT_TAIL(&list->allio, tior, links);
1166		tior->io = tpcl_alloc_io();
1167		ctl_scsi_read_write(tior->io,
1168				    /*data_ptr*/ &list->buf[donebytes],
1169				    /*data_len*/ roundbytes,
1170				    /*read_op*/ 1,
1171				    /*byte2*/ 0,
1172				    /*minimum_cdb_size*/ 0,
1173				    /*lba*/ srclba + donebytes / srcblock,
1174				    /*num_blocks*/ roundbytes / srcblock,
1175				    /*tag_type*/ CTL_TAG_SIMPLE,
1176				    /*control*/ 0);
1177		tior->io->io_hdr.retries = 3;
1178		tior->lun = list->token->lun;
1179		tior->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tior;
1180
1181		tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO);
1182		TAILQ_INIT(&tiow->run);
1183		tiow->list = list;
1184		TAILQ_INSERT_TAIL(&list->allio, tiow, links);
1185		tiow->io = tpcl_alloc_io();
1186		ctl_scsi_read_write(tiow->io,
1187				    /*data_ptr*/ &list->buf[donebytes],
1188				    /*data_len*/ roundbytes,
1189				    /*read_op*/ 0,
1190				    /*byte2*/ 0,
1191				    /*minimum_cdb_size*/ 0,
1192				    /*lba*/ dstlba + donebytes / dstblock,
1193				    /*num_blocks*/ roundbytes / dstblock,
1194				    /*tag_type*/ CTL_TAG_SIMPLE,
1195				    /*control*/ 0);
1196		tiow->io->io_hdr.retries = 3;
1197		tiow->lun = list->lun->lun;
1198		tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
1199
1200		TAILQ_INSERT_TAIL(&tior->run, tiow, rlinks);
1201		TAILQ_INSERT_TAIL(prun, tior, rlinks);
1202		prun = &tior->run;
1203		donebytes += roundbytes;
1204	}
1205
1206	while ((tior = TAILQ_FIRST(&run)) != NULL) {
1207		TAILQ_REMOVE(&run, tior, rlinks);
1208		if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
1209			panic("tpcl_queue() error");
1210	}
1211
1212	list->stage++;
1213	return (CTL_RETVAL_QUEUED);
1214}
1215
1216static int
1217tpc_process_zero_wut(struct tpc_list *list)
1218{
1219	struct tpc_io *tio, *tiow;
1220	struct runl run, *prun;
1221	int r;
1222	uint32_t dstblock, len;
1223
1224	if (list->stage > 0) {
1225complete:
1226		/* Cleanup after previous rounds. */
1227		while ((tio = TAILQ_FIRST(&list->allio)) != NULL) {
1228			TAILQ_REMOVE(&list->allio, tio, links);
1229			ctl_free_io(tio->io);
1230			free(tio, M_CTL);
1231		}
1232		free(list->buf, M_CTL);
1233		if (list->abort) {
1234			ctl_set_task_aborted(list->ctsio);
1235			return (CTL_RETVAL_ERROR);
1236		} else if (list->error) {
1237			ctl_set_sense(list->ctsio, /*current_error*/ 1,
1238			    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1239			    /*asc*/ 0x0d, /*ascq*/ 0x01, SSD_ELEM_NONE);
1240			return (CTL_RETVAL_ERROR);
1241		}
1242		list->cursectors += list->segsectors;
1243		list->curbytes += list->segbytes;
1244		return (CTL_RETVAL_COMPLETE);
1245	}
1246
1247	dstblock = list->lun->be_lun->blocksize;
1248	list->buf = malloc(dstblock, M_CTL, M_WAITOK | M_ZERO);
1249	TAILQ_INIT(&run);
1250	prun = &run;
1251	list->tbdio = 1;
1252	TAILQ_INIT(&list->allio);
1253	list->segsectors = 0;
1254	for (r = 0; r < list->nrange; r++) {
1255		len = scsi_4btoul(list->range[r].length);
1256		if (len == 0)
1257			continue;
1258
1259		tiow = malloc(sizeof(*tiow), M_CTL, M_WAITOK | M_ZERO);
1260		TAILQ_INIT(&tiow->run);
1261		tiow->list = list;
1262		TAILQ_INSERT_TAIL(&list->allio, tiow, links);
1263		tiow->io = tpcl_alloc_io();
1264		ctl_scsi_write_same(tiow->io,
1265				    /*data_ptr*/ list->buf,
1266				    /*data_len*/ dstblock,
1267				    /*byte2*/ 0,
1268				    /*lba*/ scsi_8btou64(list->range[r].lba),
1269				    /*num_blocks*/ len,
1270				    /*tag_type*/ CTL_TAG_SIMPLE,
1271				    /*control*/ 0);
1272		tiow->io->io_hdr.retries = 3;
1273		tiow->lun = list->lun->lun;
1274		tiow->io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr = tiow;
1275
1276		TAILQ_INSERT_TAIL(prun, tiow, rlinks);
1277		prun = &tiow->run;
1278		list->segsectors += len;
1279	}
1280	list->segbytes = list->segsectors * dstblock;
1281
1282	if (TAILQ_EMPTY(&run))
1283		goto complete;
1284
1285	while ((tiow = TAILQ_FIRST(&run)) != NULL) {
1286		TAILQ_REMOVE(&run, tiow, rlinks);
1287		if (tpcl_queue(tiow->io, tiow->lun) != CTL_RETVAL_COMPLETE)
1288			panic("tpcl_queue() error");
1289	}
1290
1291	list->stage++;
1292	return (CTL_RETVAL_QUEUED);
1293}
1294
1295static void
1296tpc_process(struct tpc_list *list)
1297{
1298	struct ctl_lun *lun = list->lun;
1299	struct scsi_ec_segment *seg;
1300	struct ctl_scsiio *ctsio = list->ctsio;
1301	int retval = CTL_RETVAL_COMPLETE;
1302
1303	if (list->service_action == EC_WUT) {
1304		if (list->token != NULL)
1305			retval = tpc_process_wut(list);
1306		else
1307			retval = tpc_process_zero_wut(list);
1308		if (retval == CTL_RETVAL_QUEUED)
1309			return;
1310		if (retval == CTL_RETVAL_ERROR) {
1311			list->error = 1;
1312			goto done;
1313		}
1314	} else {
1315//printf("ZZZ %d cscd, %d segs\n", list->ncscd, list->nseg);
1316		while (list->curseg < list->nseg) {
1317			seg = list->seg[list->curseg];
1318			switch (seg->type_code) {
1319			case EC_SEG_B2B:
1320				retval = tpc_process_b2b(list);
1321				break;
1322			case EC_SEG_VERIFY:
1323				retval = tpc_process_verify(list);
1324				break;
1325			case EC_SEG_REGISTER_KEY:
1326				retval = tpc_process_register_key(list);
1327				break;
1328			default:
1329				ctl_set_sense(ctsio, /*current_error*/ 1,
1330				    /*sense_key*/ SSD_KEY_COPY_ABORTED,
1331				    /*asc*/ 0x26, /*ascq*/ 0x09, SSD_ELEM_NONE);
1332				goto done;
1333			}
1334			if (retval == CTL_RETVAL_QUEUED)
1335				return;
1336			if (retval == CTL_RETVAL_ERROR) {
1337				list->error = 1;
1338				goto done;
1339			}
1340			list->curseg++;
1341			list->stage = 0;
1342		}
1343	}
1344
1345	ctl_set_success(ctsio);
1346
1347done:
1348//printf("ZZZ done\n");
1349	free(list->params, M_CTL);
1350	list->params = NULL;
1351	if (list->token) {
1352		mtx_lock(&control_softc->ctl_lock);
1353		if (--list->token->active == 0)
1354			list->token->last_active = time_uptime;
1355		mtx_unlock(&control_softc->ctl_lock);
1356		list->token = NULL;
1357	}
1358	mtx_lock(&lun->lun_lock);
1359	if ((list->flags & EC_LIST_ID_USAGE_MASK) == EC_LIST_ID_USAGE_NONE) {
1360		TAILQ_REMOVE(&lun->tpc_lists, list, links);
1361		free(list, M_CTL);
1362	} else {
1363		list->completed = 1;
1364		list->last_active = time_uptime;
1365		list->sense_data = ctsio->sense_data;
1366		list->sense_len = ctsio->sense_len;
1367		list->scsi_status = ctsio->scsi_status;
1368	}
1369	mtx_unlock(&lun->lun_lock);
1370
1371	ctl_done((union ctl_io *)ctsio);
1372}
1373
1374/*
1375 * For any sort of check condition, busy, etc., we just retry.  We do not
1376 * decrement the retry count for unit attention type errors.  These are
1377 * normal, and we want to save the retry count for "real" errors.  Otherwise,
1378 * we could end up with situations where a command will succeed in some
1379 * situations and fail in others, depending on whether a unit attention is
1380 * pending.  Also, some of our error recovery actions, most notably the
1381 * LUN reset action, will cause a unit attention.
1382 *
1383 * We can add more detail here later if necessary.
1384 */
1385static tpc_error_action
1386tpc_checkcond_parse(union ctl_io *io)
1387{
1388	tpc_error_action error_action;
1389	int error_code, sense_key, asc, ascq;
1390
1391	/*
1392	 * Default to retrying the command.
1393	 */
1394	error_action = TPC_ERR_RETRY;
1395
1396	scsi_extract_sense_len(&io->scsiio.sense_data,
1397			       io->scsiio.sense_len,
1398			       &error_code,
1399			       &sense_key,
1400			       &asc,
1401			       &ascq,
1402			       /*show_errors*/ 1);
1403
1404	switch (error_code) {
1405	case SSD_DEFERRED_ERROR:
1406	case SSD_DESC_DEFERRED_ERROR:
1407		error_action |= TPC_ERR_NO_DECREMENT;
1408		break;
1409	case SSD_CURRENT_ERROR:
1410	case SSD_DESC_CURRENT_ERROR:
1411	default:
1412		switch (sense_key) {
1413		case SSD_KEY_UNIT_ATTENTION:
1414			error_action |= TPC_ERR_NO_DECREMENT;
1415			break;
1416		case SSD_KEY_HARDWARE_ERROR:
1417			/*
1418			 * This is our generic "something bad happened"
1419			 * error code.  It often isn't recoverable.
1420			 */
1421			if ((asc == 0x44) && (ascq == 0x00))
1422				error_action = TPC_ERR_FAIL;
1423			break;
1424		case SSD_KEY_NOT_READY:
1425			/*
1426			 * If the LUN is powered down, there likely isn't
1427			 * much point in retrying right now.
1428			 */
1429			if ((asc == 0x04) && (ascq == 0x02))
1430				error_action = TPC_ERR_FAIL;
1431			/*
1432			 * If the LUN is offline, there probably isn't much
1433			 * point in retrying, either.
1434			 */
1435			if ((asc == 0x04) && (ascq == 0x03))
1436				error_action = TPC_ERR_FAIL;
1437			break;
1438		}
1439	}
1440	return (error_action);
1441}
1442
1443static tpc_error_action
1444tpc_error_parse(union ctl_io *io)
1445{
1446	tpc_error_action error_action = TPC_ERR_RETRY;
1447
1448	switch (io->io_hdr.io_type) {
1449	case CTL_IO_SCSI:
1450		switch (io->io_hdr.status & CTL_STATUS_MASK) {
1451		case CTL_SCSI_ERROR:
1452			switch (io->scsiio.scsi_status) {
1453			case SCSI_STATUS_CHECK_COND:
1454				error_action = tpc_checkcond_parse(io);
1455				break;
1456			default:
1457				break;
1458			}
1459			break;
1460		default:
1461			break;
1462		}
1463		break;
1464	case CTL_IO_TASK:
1465		break;
1466	default:
1467		panic("%s: invalid ctl_io type %d\n", __func__,
1468		      io->io_hdr.io_type);
1469		break;
1470	}
1471	return (error_action);
1472}
1473
1474void
1475tpc_done(union ctl_io *io)
1476{
1477	struct tpc_io *tio, *tior;
1478
1479	/*
1480	 * Very minimal retry logic.  We basically retry if we got an error
1481	 * back, and the retry count is greater than 0.  If we ever want
1482	 * more sophisticated initiator type behavior, the CAM error
1483	 * recovery code in ../common might be helpful.
1484	 */
1485	tio = io->io_hdr.ctl_private[CTL_PRIV_FRONTEND].ptr;
1486	if (((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
1487	 && (io->io_hdr.retries > 0)) {
1488		ctl_io_status old_status;
1489		tpc_error_action error_action;
1490
1491		error_action = tpc_error_parse(io);
1492		switch (error_action & TPC_ERR_MASK) {
1493		case TPC_ERR_FAIL:
1494			break;
1495		case TPC_ERR_RETRY:
1496		default:
1497			if ((error_action & TPC_ERR_NO_DECREMENT) == 0)
1498				io->io_hdr.retries--;
1499			old_status = io->io_hdr.status;
1500			io->io_hdr.status = CTL_STATUS_NONE;
1501			io->io_hdr.flags &= ~CTL_FLAG_ABORT;
1502			io->io_hdr.flags &= ~CTL_FLAG_SENT_2OTHER_SC;
1503			if (tpcl_queue(io, tio->lun) != CTL_RETVAL_COMPLETE) {
1504				printf("%s: error returned from ctl_queue()!\n",
1505				       __func__);
1506				io->io_hdr.status = old_status;
1507			} else
1508				return;
1509		}
1510	}
1511
1512	if ((io->io_hdr.status & CTL_STATUS_MASK) != CTL_SUCCESS)
1513		tio->list->error = 1;
1514	else
1515		atomic_add_int(&tio->list->curops, 1);
1516	if (!tio->list->error && !tio->list->abort) {
1517		while ((tior = TAILQ_FIRST(&tio->run)) != NULL) {
1518			TAILQ_REMOVE(&tio->run, tior, rlinks);
1519			atomic_add_int(&tio->list->tbdio, 1);
1520			if (tpcl_queue(tior->io, tior->lun) != CTL_RETVAL_COMPLETE)
1521				panic("tpcl_queue() error");
1522		}
1523	}
1524	if (atomic_fetchadd_int(&tio->list->tbdio, -1) == 1)
1525		tpc_process(tio->list);
1526}
1527
1528int
1529ctl_extended_copy_lid1(struct ctl_scsiio *ctsio)
1530{
1531	struct scsi_extended_copy *cdb;
1532	struct scsi_extended_copy_lid1_data *data;
1533	struct ctl_lun *lun;
1534	struct tpc_list *list, *tlist;
1535	uint8_t *ptr;
1536	char *value;
1537	int len, off, lencscd, lenseg, leninl, nseg;
1538
1539	CTL_DEBUG_PRINT(("ctl_extended_copy_lid1\n"));
1540
1541	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1542	cdb = (struct scsi_extended_copy *)ctsio->cdb;
1543	len = scsi_4btoul(cdb->length);
1544
1545	if (len < sizeof(struct scsi_extended_copy_lid1_data) ||
1546	    len > sizeof(struct scsi_extended_copy_lid1_data) +
1547	    TPC_MAX_LIST + TPC_MAX_INLINE) {
1548		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1549		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1550		goto done;
1551	}
1552
1553	/*
1554	 * If we've got a kernel request that hasn't been malloced yet,
1555	 * malloc it and tell the caller the data buffer is here.
1556	 */
1557	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1558		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1559		ctsio->kern_data_len = len;
1560		ctsio->kern_total_len = len;
1561		ctsio->kern_data_resid = 0;
1562		ctsio->kern_rel_offset = 0;
1563		ctsio->kern_sg_entries = 0;
1564		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1565		ctsio->be_move_done = ctl_config_move_done;
1566		ctl_datamove((union ctl_io *)ctsio);
1567
1568		return (CTL_RETVAL_COMPLETE);
1569	}
1570
1571	data = (struct scsi_extended_copy_lid1_data *)ctsio->kern_data_ptr;
1572	lencscd = scsi_2btoul(data->cscd_list_length);
1573	lenseg = scsi_4btoul(data->segment_list_length);
1574	leninl = scsi_4btoul(data->inline_data_length);
1575	if (len < sizeof(struct scsi_extended_copy_lid1_data) +
1576	    lencscd + lenseg + leninl ||
1577	    leninl > TPC_MAX_INLINE) {
1578		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1579		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1580		goto done;
1581	}
1582	if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
1583		ctl_set_sense(ctsio, /*current_error*/ 1,
1584		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1585		    /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
1586		goto done;
1587	}
1588	if (lencscd + lenseg > TPC_MAX_LIST) {
1589		ctl_set_param_len_error(ctsio);
1590		goto done;
1591	}
1592
1593	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1594	list->service_action = cdb->service_action;
1595	value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
1596	if (value != NULL && strcmp(value, "on") == 0)
1597		list->init_port = -1;
1598	else
1599		list->init_port = ctsio->io_hdr.nexus.targ_port;
1600	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1601	list->list_id = data->list_identifier;
1602	list->flags = data->flags;
1603	list->params = ctsio->kern_data_ptr;
1604	list->cscd = (struct scsi_ec_cscd *)&data->data[0];
1605	ptr = &data->data[lencscd];
1606	for (nseg = 0, off = 0; off < lenseg; nseg++) {
1607		if (nseg >= TPC_MAX_SEGS) {
1608			free(list, M_CTL);
1609			ctl_set_sense(ctsio, /*current_error*/ 1,
1610			    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1611			    /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
1612			goto done;
1613		}
1614		list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
1615		off += sizeof(struct scsi_ec_segment) +
1616		    scsi_2btoul(list->seg[nseg]->descr_length);
1617	}
1618	list->inl = &data->data[lencscd + lenseg];
1619	list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
1620	list->nseg = nseg;
1621	list->leninl = leninl;
1622	list->ctsio = ctsio;
1623	list->lun = lun;
1624	mtx_lock(&lun->lun_lock);
1625	if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
1626		tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1627		if (tlist != NULL && !tlist->completed) {
1628			mtx_unlock(&lun->lun_lock);
1629			free(list, M_CTL);
1630			ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1631			    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1632			    /*bit*/ 0);
1633			goto done;
1634		}
1635		if (tlist != NULL) {
1636			TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1637			free(tlist, M_CTL);
1638		}
1639	}
1640	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1641	mtx_unlock(&lun->lun_lock);
1642
1643	tpc_process(list);
1644	return (CTL_RETVAL_COMPLETE);
1645
1646done:
1647	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
1648		free(ctsio->kern_data_ptr, M_CTL);
1649		ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
1650	}
1651	ctl_done((union ctl_io *)ctsio);
1652	return (CTL_RETVAL_COMPLETE);
1653}
1654
1655int
1656ctl_extended_copy_lid4(struct ctl_scsiio *ctsio)
1657{
1658	struct scsi_extended_copy *cdb;
1659	struct scsi_extended_copy_lid4_data *data;
1660	struct ctl_lun *lun;
1661	struct tpc_list *list, *tlist;
1662	uint8_t *ptr;
1663	char *value;
1664	int len, off, lencscd, lenseg, leninl, nseg;
1665
1666	CTL_DEBUG_PRINT(("ctl_extended_copy_lid4\n"));
1667
1668	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1669	cdb = (struct scsi_extended_copy *)ctsio->cdb;
1670	len = scsi_4btoul(cdb->length);
1671
1672	if (len < sizeof(struct scsi_extended_copy_lid4_data) ||
1673	    len > sizeof(struct scsi_extended_copy_lid4_data) +
1674	    TPC_MAX_LIST + TPC_MAX_INLINE) {
1675		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1676		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1677		goto done;
1678	}
1679
1680	/*
1681	 * If we've got a kernel request that hasn't been malloced yet,
1682	 * malloc it and tell the caller the data buffer is here.
1683	 */
1684	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1685		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1686		ctsio->kern_data_len = len;
1687		ctsio->kern_total_len = len;
1688		ctsio->kern_data_resid = 0;
1689		ctsio->kern_rel_offset = 0;
1690		ctsio->kern_sg_entries = 0;
1691		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1692		ctsio->be_move_done = ctl_config_move_done;
1693		ctl_datamove((union ctl_io *)ctsio);
1694
1695		return (CTL_RETVAL_COMPLETE);
1696	}
1697
1698	data = (struct scsi_extended_copy_lid4_data *)ctsio->kern_data_ptr;
1699	lencscd = scsi_2btoul(data->cscd_list_length);
1700	lenseg = scsi_2btoul(data->segment_list_length);
1701	leninl = scsi_2btoul(data->inline_data_length);
1702	if (len < sizeof(struct scsi_extended_copy_lid4_data) +
1703	    lencscd + lenseg + leninl ||
1704	    leninl > TPC_MAX_INLINE) {
1705		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1706		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1707		goto done;
1708	}
1709	if (lencscd > TPC_MAX_CSCDS * sizeof(struct scsi_ec_cscd)) {
1710		ctl_set_sense(ctsio, /*current_error*/ 1,
1711		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1712		    /*asc*/ 0x26, /*ascq*/ 0x06, SSD_ELEM_NONE);
1713		goto done;
1714	}
1715	if (lencscd + lenseg > TPC_MAX_LIST) {
1716		ctl_set_param_len_error(ctsio);
1717		goto done;
1718	}
1719
1720	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1721	list->service_action = cdb->service_action;
1722	value = ctl_get_opt(&lun->be_lun->options, "insecure_tpc");
1723	if (value != NULL && strcmp(value, "on") == 0)
1724		list->init_port = -1;
1725	else
1726		list->init_port = ctsio->io_hdr.nexus.targ_port;
1727	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1728	list->list_id = scsi_4btoul(data->list_identifier);
1729	list->flags = data->flags;
1730	list->params = ctsio->kern_data_ptr;
1731	list->cscd = (struct scsi_ec_cscd *)&data->data[0];
1732	ptr = &data->data[lencscd];
1733	for (nseg = 0, off = 0; off < lenseg; nseg++) {
1734		if (nseg >= TPC_MAX_SEGS) {
1735			free(list, M_CTL);
1736			ctl_set_sense(ctsio, /*current_error*/ 1,
1737			    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
1738			    /*asc*/ 0x26, /*ascq*/ 0x08, SSD_ELEM_NONE);
1739			goto done;
1740		}
1741		list->seg[nseg] = (struct scsi_ec_segment *)(ptr + off);
1742		off += sizeof(struct scsi_ec_segment) +
1743		    scsi_2btoul(list->seg[nseg]->descr_length);
1744	}
1745	list->inl = &data->data[lencscd + lenseg];
1746	list->ncscd = lencscd / sizeof(struct scsi_ec_cscd);
1747	list->nseg = nseg;
1748	list->leninl = leninl;
1749	list->ctsio = ctsio;
1750	list->lun = lun;
1751	mtx_lock(&lun->lun_lock);
1752	if ((list->flags & EC_LIST_ID_USAGE_MASK) != EC_LIST_ID_USAGE_NONE) {
1753		tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1754		if (tlist != NULL && !tlist->completed) {
1755			mtx_unlock(&lun->lun_lock);
1756			free(list, M_CTL);
1757			ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1758			    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1759			    /*bit*/ 0);
1760			goto done;
1761		}
1762		if (tlist != NULL) {
1763			TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1764			free(tlist, M_CTL);
1765		}
1766	}
1767	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1768	mtx_unlock(&lun->lun_lock);
1769
1770	tpc_process(list);
1771	return (CTL_RETVAL_COMPLETE);
1772
1773done:
1774	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
1775		free(ctsio->kern_data_ptr, M_CTL);
1776		ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
1777	}
1778	ctl_done((union ctl_io *)ctsio);
1779	return (CTL_RETVAL_COMPLETE);
1780}
1781
1782static void
1783tpc_create_token(struct ctl_lun *lun, struct ctl_port *port, off_t len,
1784    struct scsi_token *token)
1785{
1786	static int id = 0;
1787	struct scsi_vpd_id_descriptor *idd = NULL;
1788	struct scsi_ec_cscd_id *cscd;
1789	struct scsi_read_capacity_data_long *dtsd;
1790	int targid_len;
1791
1792	scsi_ulto4b(ROD_TYPE_AUR, token->type);
1793	scsi_ulto2b(0x01f8, token->length);
1794	scsi_u64to8b(atomic_fetchadd_int(&id, 1), &token->body[0]);
1795	if (lun->lun_devid)
1796		idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
1797		    lun->lun_devid->data, lun->lun_devid->len,
1798		    scsi_devid_is_lun_naa);
1799	if (idd == NULL && lun->lun_devid)
1800		idd = scsi_get_devid_desc((struct scsi_vpd_id_descriptor *)
1801		    lun->lun_devid->data, lun->lun_devid->len,
1802		    scsi_devid_is_lun_eui64);
1803	if (idd != NULL) {
1804		cscd = (struct scsi_ec_cscd_id *)&token->body[8];
1805		cscd->type_code = EC_CSCD_ID;
1806		cscd->luidt_pdt = T_DIRECT;
1807		memcpy(&cscd->codeset, idd, 4 + idd->length);
1808		scsi_ulto3b(lun->be_lun->blocksize, cscd->dtsp.block_length);
1809	}
1810	scsi_u64to8b(0, &token->body[40]); /* XXX: Should be 128bit value. */
1811	scsi_u64to8b(len, &token->body[48]);
1812
1813	/* ROD token device type specific data (RC16 without first field) */
1814	dtsd = (struct scsi_read_capacity_data_long *)&token->body[88 - 8];
1815	scsi_ulto4b(lun->be_lun->blocksize, dtsd->length);
1816	dtsd->prot_lbppbe = lun->be_lun->pblockexp & SRC16_LBPPBE;
1817	scsi_ulto2b(lun->be_lun->pblockoff & SRC16_LALBA_A, dtsd->lalba_lbp);
1818	if (lun->be_lun->flags & CTL_LUN_FLAG_UNMAP)
1819		dtsd->lalba_lbp[0] |= SRC16_LBPME | SRC16_LBPRZ;
1820
1821	if (port->target_devid) {
1822		targid_len = port->target_devid->len;
1823		memcpy(&token->body[120], port->target_devid->data, targid_len);
1824	} else
1825		targid_len = 32;
1826	arc4rand(&token->body[120 + targid_len], 384 - targid_len, 0);
1827};
1828
1829int
1830ctl_populate_token(struct ctl_scsiio *ctsio)
1831{
1832	struct scsi_populate_token *cdb;
1833	struct scsi_populate_token_data *data;
1834	struct ctl_lun *lun;
1835	struct ctl_port *port;
1836	struct tpc_list *list, *tlist;
1837	struct tpc_token *token;
1838	int len, lendesc;
1839
1840	CTL_DEBUG_PRINT(("ctl_populate_token\n"));
1841
1842	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1843	port = control_softc->ctl_ports[ctl_port_idx(ctsio->io_hdr.nexus.targ_port)];
1844	cdb = (struct scsi_populate_token *)ctsio->cdb;
1845	len = scsi_4btoul(cdb->length);
1846
1847	if (len < sizeof(struct scsi_populate_token_data) ||
1848	    len > sizeof(struct scsi_populate_token_data) +
1849	     TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
1850		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1851		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1852		goto done;
1853	}
1854
1855	/*
1856	 * If we've got a kernel request that hasn't been malloced yet,
1857	 * malloc it and tell the caller the data buffer is here.
1858	 */
1859	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1860		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1861		ctsio->kern_data_len = len;
1862		ctsio->kern_total_len = len;
1863		ctsio->kern_data_resid = 0;
1864		ctsio->kern_rel_offset = 0;
1865		ctsio->kern_sg_entries = 0;
1866		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1867		ctsio->be_move_done = ctl_config_move_done;
1868		ctl_datamove((union ctl_io *)ctsio);
1869
1870		return (CTL_RETVAL_COMPLETE);
1871	}
1872
1873	data = (struct scsi_populate_token_data *)ctsio->kern_data_ptr;
1874	lendesc = scsi_2btoul(data->range_descriptor_length);
1875	if (len < sizeof(struct scsi_populate_token_data) + lendesc) {
1876		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1877		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
1878		goto done;
1879	}
1880/*
1881	printf("PT(list=%u) flags=%x to=%d rt=%x len=%x\n",
1882	    scsi_4btoul(cdb->list_identifier),
1883	    data->flags, scsi_4btoul(data->inactivity_timeout),
1884	    scsi_4btoul(data->rod_type),
1885	    scsi_2btoul(data->range_descriptor_length));
1886*/
1887	if ((data->flags & EC_PT_RTV) &&
1888	    scsi_4btoul(data->rod_type) != ROD_TYPE_AUR) {
1889		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
1890		    /*field*/ 8, /*bit_valid*/ 0, /*bit*/ 0);
1891		goto done;
1892	}
1893
1894	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
1895	list->service_action = cdb->service_action;
1896	list->init_port = ctsio->io_hdr.nexus.targ_port;
1897	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
1898	list->list_id = scsi_4btoul(cdb->list_identifier);
1899	list->flags = data->flags;
1900	list->ctsio = ctsio;
1901	list->lun = lun;
1902	mtx_lock(&lun->lun_lock);
1903	tlist = tpc_find_list(lun, list->list_id, list->init_idx);
1904	if (tlist != NULL && !tlist->completed) {
1905		mtx_unlock(&lun->lun_lock);
1906		free(list, M_CTL);
1907		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1908		    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
1909		    /*bit*/ 0);
1910		goto done;
1911	}
1912	if (tlist != NULL) {
1913		TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
1914		free(tlist, M_CTL);
1915	}
1916	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
1917	mtx_unlock(&lun->lun_lock);
1918
1919	token = malloc(sizeof(*token), M_CTL, M_WAITOK | M_ZERO);
1920	token->lun = lun->lun;
1921	token->blocksize = lun->be_lun->blocksize;
1922	token->params = ctsio->kern_data_ptr;
1923	token->range = &data->desc[0];
1924	token->nrange = scsi_2btoul(data->range_descriptor_length) /
1925	    sizeof(struct scsi_range_desc);
1926	list->cursectors = tpc_ranges_length(token->range, token->nrange);
1927	list->curbytes = (off_t)list->cursectors * lun->be_lun->blocksize;
1928	tpc_create_token(lun, port, list->curbytes,
1929	    (struct scsi_token *)token->token);
1930	token->active = 0;
1931	token->last_active = time_uptime;
1932	token->timeout = scsi_4btoul(data->inactivity_timeout);
1933	if (token->timeout == 0)
1934		token->timeout = TPC_DFL_TOKEN_TIMEOUT;
1935	else if (token->timeout < TPC_MIN_TOKEN_TIMEOUT)
1936		token->timeout = TPC_MIN_TOKEN_TIMEOUT;
1937	else if (token->timeout > TPC_MAX_TOKEN_TIMEOUT) {
1938		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
1939		    /*command*/ 0, /*field*/ 4, /*bit_valid*/ 0,
1940		    /*bit*/ 0);
1941	}
1942	memcpy(list->res_token, token->token, sizeof(list->res_token));
1943	list->res_token_valid = 1;
1944	list->curseg = 0;
1945	list->completed = 1;
1946	list->last_active = time_uptime;
1947	mtx_lock(&control_softc->ctl_lock);
1948	TAILQ_INSERT_TAIL(&control_softc->tpc_tokens, token, links);
1949	mtx_unlock(&control_softc->ctl_lock);
1950	ctl_set_success(ctsio);
1951	ctl_done((union ctl_io *)ctsio);
1952	return (CTL_RETVAL_COMPLETE);
1953
1954done:
1955	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
1956		free(ctsio->kern_data_ptr, M_CTL);
1957		ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
1958	}
1959	ctl_done((union ctl_io *)ctsio);
1960	return (CTL_RETVAL_COMPLETE);
1961}
1962
1963int
1964ctl_write_using_token(struct ctl_scsiio *ctsio)
1965{
1966	struct scsi_write_using_token *cdb;
1967	struct scsi_write_using_token_data *data;
1968	struct ctl_lun *lun;
1969	struct tpc_list *list, *tlist;
1970	struct tpc_token *token;
1971	int len, lendesc;
1972
1973	CTL_DEBUG_PRINT(("ctl_write_using_token\n"));
1974
1975	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
1976	cdb = (struct scsi_write_using_token *)ctsio->cdb;
1977	len = scsi_4btoul(cdb->length);
1978
1979	if (len < sizeof(struct scsi_populate_token_data) ||
1980	    len > sizeof(struct scsi_populate_token_data) +
1981	     TPC_MAX_SEGS * sizeof(struct scsi_range_desc)) {
1982		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 1,
1983		    /*field*/ 9, /*bit_valid*/ 0, /*bit*/ 0);
1984		goto done;
1985	}
1986
1987	/*
1988	 * If we've got a kernel request that hasn't been malloced yet,
1989	 * malloc it and tell the caller the data buffer is here.
1990	 */
1991	if ((ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) == 0) {
1992		ctsio->kern_data_ptr = malloc(len, M_CTL, M_WAITOK);
1993		ctsio->kern_data_len = len;
1994		ctsio->kern_total_len = len;
1995		ctsio->kern_data_resid = 0;
1996		ctsio->kern_rel_offset = 0;
1997		ctsio->kern_sg_entries = 0;
1998		ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
1999		ctsio->be_move_done = ctl_config_move_done;
2000		ctl_datamove((union ctl_io *)ctsio);
2001
2002		return (CTL_RETVAL_COMPLETE);
2003	}
2004
2005	data = (struct scsi_write_using_token_data *)ctsio->kern_data_ptr;
2006	lendesc = scsi_2btoul(data->range_descriptor_length);
2007	if (len < sizeof(struct scsi_populate_token_data) + lendesc) {
2008		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1, /*command*/ 0,
2009		    /*field*/ 2, /*bit_valid*/ 0, /*bit*/ 0);
2010		goto done;
2011	}
2012/*
2013	printf("WUT(list=%u) flags=%x off=%ju len=%x\n",
2014	    scsi_4btoul(cdb->list_identifier),
2015	    data->flags, scsi_8btou64(data->offset_into_rod),
2016	    scsi_2btoul(data->range_descriptor_length));
2017*/
2018	list = malloc(sizeof(struct tpc_list), M_CTL, M_WAITOK | M_ZERO);
2019	list->service_action = cdb->service_action;
2020	list->init_port = ctsio->io_hdr.nexus.targ_port;
2021	list->init_idx = ctl_get_resindex(&ctsio->io_hdr.nexus);
2022	list->list_id = scsi_4btoul(cdb->list_identifier);
2023	list->flags = data->flags;
2024	list->params = ctsio->kern_data_ptr;
2025	list->range = &data->desc[0];
2026	list->nrange = scsi_2btoul(data->range_descriptor_length) /
2027	    sizeof(struct scsi_range_desc);
2028	list->offset_into_rod = scsi_8btou64(data->offset_into_rod);
2029	list->ctsio = ctsio;
2030	list->lun = lun;
2031	mtx_lock(&lun->lun_lock);
2032	tlist = tpc_find_list(lun, list->list_id, list->init_idx);
2033	if (tlist != NULL && !tlist->completed) {
2034		mtx_unlock(&lun->lun_lock);
2035		free(list, M_CTL);
2036		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
2037		    /*command*/ 0, /*field*/ 0, /*bit_valid*/ 0,
2038		    /*bit*/ 0);
2039		goto done;
2040	}
2041	if (tlist != NULL) {
2042		TAILQ_REMOVE(&lun->tpc_lists, tlist, links);
2043		free(tlist, M_CTL);
2044	}
2045	TAILQ_INSERT_TAIL(&lun->tpc_lists, list, links);
2046	mtx_unlock(&lun->lun_lock);
2047
2048	/* Block device zero ROD token -> no token. */
2049	if (scsi_4btoul(data->rod_token) == ROD_TYPE_BLOCK_ZERO) {
2050		tpc_process(list);
2051		return (CTL_RETVAL_COMPLETE);
2052	}
2053
2054	mtx_lock(&control_softc->ctl_lock);
2055	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links) {
2056		if (memcmp(token->token, data->rod_token,
2057		    sizeof(data->rod_token)) == 0)
2058			break;
2059	}
2060	if (token != NULL) {
2061		token->active++;
2062		list->token = token;
2063		if (data->flags & EC_WUT_DEL_TKN)
2064			token->timeout = 0;
2065	}
2066	mtx_unlock(&control_softc->ctl_lock);
2067	if (token == NULL) {
2068		mtx_lock(&lun->lun_lock);
2069		TAILQ_REMOVE(&lun->tpc_lists, list, links);
2070		mtx_unlock(&lun->lun_lock);
2071		free(list, M_CTL);
2072		ctl_set_sense(ctsio, /*current_error*/ 1,
2073		    /*sense_key*/ SSD_KEY_ILLEGAL_REQUEST,
2074		    /*asc*/ 0x23, /*ascq*/ 0x04, SSD_ELEM_NONE);
2075		goto done;
2076	}
2077
2078	tpc_process(list);
2079	return (CTL_RETVAL_COMPLETE);
2080
2081done:
2082	if (ctsio->io_hdr.flags & CTL_FLAG_ALLOCATED) {
2083		free(ctsio->kern_data_ptr, M_CTL);
2084		ctsio->io_hdr.flags &= ~CTL_FLAG_ALLOCATED;
2085	}
2086	ctl_done((union ctl_io *)ctsio);
2087	return (CTL_RETVAL_COMPLETE);
2088}
2089
2090int
2091ctl_receive_rod_token_information(struct ctl_scsiio *ctsio)
2092{
2093	struct ctl_lun *lun;
2094	struct scsi_receive_rod_token_information *cdb;
2095	struct scsi_receive_copy_status_lid4_data *data;
2096	struct tpc_list *list;
2097	struct tpc_list list_copy;
2098	uint8_t *ptr;
2099	int retval;
2100	int alloc_len, total_len, token_len;
2101	uint32_t list_id;
2102
2103	CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
2104
2105	cdb = (struct scsi_receive_rod_token_information *)ctsio->cdb;
2106	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
2107
2108	retval = CTL_RETVAL_COMPLETE;
2109
2110	list_id = scsi_4btoul(cdb->list_identifier);
2111	mtx_lock(&lun->lun_lock);
2112	list = tpc_find_list(lun, list_id,
2113	    ctl_get_resindex(&ctsio->io_hdr.nexus));
2114	if (list == NULL) {
2115		mtx_unlock(&lun->lun_lock);
2116		ctl_set_invalid_field(ctsio, /*sks_valid*/ 1,
2117		    /*command*/ 1, /*field*/ 2, /*bit_valid*/ 0,
2118		    /*bit*/ 0);
2119		ctl_done((union ctl_io *)ctsio);
2120		return (retval);
2121	}
2122	list_copy = *list;
2123	if (list->completed) {
2124		TAILQ_REMOVE(&lun->tpc_lists, list, links);
2125		free(list, M_CTL);
2126	}
2127	mtx_unlock(&lun->lun_lock);
2128
2129	token_len = list_copy.res_token_valid ? 2 + sizeof(list_copy.res_token) : 0;
2130	total_len = sizeof(*data) + list_copy.sense_len + 4 + token_len;
2131	alloc_len = scsi_4btoul(cdb->length);
2132
2133	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
2134
2135	ctsio->kern_sg_entries = 0;
2136
2137	if (total_len < alloc_len) {
2138		ctsio->residual = alloc_len - total_len;
2139		ctsio->kern_data_len = total_len;
2140		ctsio->kern_total_len = total_len;
2141	} else {
2142		ctsio->residual = 0;
2143		ctsio->kern_data_len = alloc_len;
2144		ctsio->kern_total_len = alloc_len;
2145	}
2146	ctsio->kern_data_resid = 0;
2147	ctsio->kern_rel_offset = 0;
2148
2149	data = (struct scsi_receive_copy_status_lid4_data *)ctsio->kern_data_ptr;
2150	scsi_ulto4b(sizeof(*data) - 4 + list_copy.sense_len +
2151	    4 + token_len, data->available_data);
2152	data->response_to_service_action = list_copy.service_action;
2153	if (list_copy.completed) {
2154		if (list_copy.error)
2155			data->copy_command_status = RCS_CCS_ERROR;
2156		else if (list_copy.abort)
2157			data->copy_command_status = RCS_CCS_ABORTED;
2158		else
2159			data->copy_command_status = RCS_CCS_COMPLETED;
2160	} else
2161		data->copy_command_status = RCS_CCS_INPROG_FG;
2162	scsi_ulto2b(list_copy.curops, data->operation_counter);
2163	scsi_ulto4b(UINT32_MAX, data->estimated_status_update_delay);
2164	data->transfer_count_units = RCS_TC_LBAS;
2165	scsi_u64to8b(list_copy.cursectors, data->transfer_count);
2166	scsi_ulto2b(list_copy.curseg, data->segments_processed);
2167	data->length_of_the_sense_data_field = list_copy.sense_len;
2168	data->sense_data_length = list_copy.sense_len;
2169	memcpy(data->sense_data, &list_copy.sense_data, list_copy.sense_len);
2170
2171	ptr = &data->sense_data[data->length_of_the_sense_data_field];
2172	scsi_ulto4b(token_len, &ptr[0]);
2173	if (list_copy.res_token_valid) {
2174		scsi_ulto2b(0, &ptr[4]);
2175		memcpy(&ptr[6], list_copy.res_token, sizeof(list_copy.res_token));
2176	}
2177/*
2178	printf("RRTI(list=%u) valid=%d\n",
2179	    scsi_4btoul(cdb->list_identifier), list_copy.res_token_valid);
2180*/
2181	ctl_set_success(ctsio);
2182	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
2183	ctsio->be_move_done = ctl_config_move_done;
2184	ctl_datamove((union ctl_io *)ctsio);
2185	return (retval);
2186}
2187
2188int
2189ctl_report_all_rod_tokens(struct ctl_scsiio *ctsio)
2190{
2191	struct ctl_lun *lun;
2192	struct scsi_report_all_rod_tokens *cdb;
2193	struct scsi_report_all_rod_tokens_data *data;
2194	struct tpc_token *token;
2195	int retval;
2196	int alloc_len, total_len, tokens, i;
2197
2198	CTL_DEBUG_PRINT(("ctl_receive_rod_token_information\n"));
2199
2200	cdb = (struct scsi_report_all_rod_tokens *)ctsio->cdb;
2201	lun = (struct ctl_lun *)ctsio->io_hdr.ctl_private[CTL_PRIV_LUN].ptr;
2202
2203	retval = CTL_RETVAL_COMPLETE;
2204
2205	tokens = 0;
2206	mtx_lock(&control_softc->ctl_lock);
2207	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links)
2208		tokens++;
2209	mtx_unlock(&control_softc->ctl_lock);
2210	if (tokens > 512)
2211		tokens = 512;
2212
2213	total_len = sizeof(*data) + tokens * 96;
2214	alloc_len = scsi_4btoul(cdb->length);
2215
2216	ctsio->kern_data_ptr = malloc(total_len, M_CTL, M_WAITOK | M_ZERO);
2217
2218	ctsio->kern_sg_entries = 0;
2219
2220	if (total_len < alloc_len) {
2221		ctsio->residual = alloc_len - total_len;
2222		ctsio->kern_data_len = total_len;
2223		ctsio->kern_total_len = total_len;
2224	} else {
2225		ctsio->residual = 0;
2226		ctsio->kern_data_len = alloc_len;
2227		ctsio->kern_total_len = alloc_len;
2228	}
2229	ctsio->kern_data_resid = 0;
2230	ctsio->kern_rel_offset = 0;
2231
2232	data = (struct scsi_report_all_rod_tokens_data *)ctsio->kern_data_ptr;
2233	i = 0;
2234	mtx_lock(&control_softc->ctl_lock);
2235	TAILQ_FOREACH(token, &control_softc->tpc_tokens, links) {
2236		if (i >= tokens)
2237			break;
2238		memcpy(&data->rod_management_token_list[i * 96],
2239		    token->token, 96);
2240		i++;
2241	}
2242	mtx_unlock(&control_softc->ctl_lock);
2243	scsi_ulto4b(sizeof(*data) - 4 + i * 96, data->available_data);
2244/*
2245	printf("RART tokens=%d\n", i);
2246*/
2247	ctl_set_success(ctsio);
2248	ctsio->io_hdr.flags |= CTL_FLAG_ALLOCATED;
2249	ctsio->be_move_done = ctl_config_move_done;
2250	ctl_datamove((union ctl_io *)ctsio);
2251	return (retval);
2252}
2253
2254