1/*-
2 * Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2004, 2005 Silicon Graphics International Corp.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2014 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2004, 2005 Silicon Graphics International Corp.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification, immediately at the beginning of the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
|
29__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_tpc_local.c 287724 2015-09-12 20:45:09Z mav $");
| 29__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_tpc_local.c 288020 2015-09-20 10:40:30Z mav $");
|
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/types.h>
35#include <sys/lock.h>
36#include <sys/module.h>
37#include <sys/mutex.h>
38#include <sys/condvar.h>
39#include <sys/malloc.h>
40#include <sys/conf.h>
41#include <sys/queue.h>
42#include <sys/sysctl.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_util.h>
51#include <cam/ctl/ctl_backend.h>
52#include <cam/ctl/ctl_ioctl.h>
53#include <cam/ctl/ctl_ha.h>
54#include <cam/ctl/ctl_private.h>
55#include <cam/ctl/ctl_debug.h>
56#include <cam/ctl/ctl_scsi_all.h>
57#include <cam/ctl/ctl_tpc.h>
58#include <cam/ctl/ctl_error.h>
59
60struct tpcl_softc {
61 struct ctl_port port;
62 int cur_tag_num;
63};
64
65static struct tpcl_softc tpcl_softc;
66
67static int tpcl_init(void);
68static void tpcl_shutdown(void);
69static void tpcl_datamove(union ctl_io *io);
70static void tpcl_done(union ctl_io *io);
71
72
73static struct ctl_frontend tpcl_frontend =
74{
75 .name = "tpc",
76 .init = tpcl_init,
77 .shutdown = tpcl_shutdown,
78};
79CTL_FRONTEND_DECLARE(ctltpc, tpcl_frontend);
80
81static int
82tpcl_init(void)
83{
84 struct tpcl_softc *tsoftc = &tpcl_softc;
85 struct ctl_port *port;
86 struct scsi_transportid_spi *tid;
87 int len;
88
89 memset(tsoftc, 0, sizeof(*tsoftc));
90
91 port = &tsoftc->port;
92 port->frontend = &tpcl_frontend;
93 port->port_type = CTL_PORT_INTERNAL;
94 port->num_requested_ctl_io = 100;
95 port->port_name = "tpc";
96 port->fe_datamove = tpcl_datamove;
97 port->fe_done = tpcl_done;
98 port->max_targets = 1;
99 port->max_target_id = 0;
100 port->targ_port = -1;
101 port->max_initiators = 1;
102
103 if (ctl_port_register(port) != 0) {
104 printf("%s: ctl_port_register() failed with error\n", __func__);
105 return (0);
106 }
107
108 len = sizeof(struct scsi_transportid_spi);
109 port->init_devid = malloc(sizeof(struct ctl_devid) + len,
110 M_CTL, M_WAITOK | M_ZERO);
111 port->init_devid->len = len;
112 tid = (struct scsi_transportid_spi *)port->init_devid->data;
113 tid->format_protocol = SCSI_TRN_SPI_FORMAT_DEFAULT | SCSI_PROTO_SPI;
114 scsi_ulto2b(0, tid->scsi_addr);
115 scsi_ulto2b(port->targ_port, tid->rel_trgt_port_id);
116
117 ctl_port_online(port);
118 return (0);
119}
120
121void
122tpcl_shutdown(void)
123{
124 struct tpcl_softc *tsoftc = &tpcl_softc;
125 struct ctl_port *port;
126
127 port = &tsoftc->port;
128 ctl_port_offline(port);
129 if (ctl_port_deregister(&tsoftc->port) != 0)
130 printf("%s: ctl_frontend_deregister() failed\n", __func__);
131}
132
133static void
134tpcl_datamove(union ctl_io *io)
135{
136 struct ctl_sg_entry *ext_sglist, *kern_sglist;
137 struct ctl_sg_entry ext_entry, kern_entry;
138 int ext_sg_entries, kern_sg_entries;
139 int ext_sg_start, ext_offset;
140 int len_to_copy, len_copied;
141 int kern_watermark, ext_watermark;
142 struct ctl_scsiio *ctsio;
143 int i, j;
144
145 ext_sg_start = 0;
146 ext_offset = 0;
147 ext_sglist = NULL;
148
149 CTL_DEBUG_PRINT(("%s\n", __func__));
150
151 ctsio = &io->scsiio;
152
153 /*
154 * If this is the case, we're probably doing a BBR read and don't
155 * actually need to transfer the data. This will effectively
156 * bit-bucket the data.
157 */
158 if (ctsio->ext_data_ptr == NULL)
159 goto bailout;
160
161 /*
162 * To simplify things here, if we have a single buffer, stick it in
163 * a S/G entry and just make it a single entry S/G list.
164 */
| 30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/types.h>
35#include <sys/lock.h>
36#include <sys/module.h>
37#include <sys/mutex.h>
38#include <sys/condvar.h>
39#include <sys/malloc.h>
40#include <sys/conf.h>
41#include <sys/queue.h>
42#include <sys/sysctl.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_util.h>
51#include <cam/ctl/ctl_backend.h>
52#include <cam/ctl/ctl_ioctl.h>
53#include <cam/ctl/ctl_ha.h>
54#include <cam/ctl/ctl_private.h>
55#include <cam/ctl/ctl_debug.h>
56#include <cam/ctl/ctl_scsi_all.h>
57#include <cam/ctl/ctl_tpc.h>
58#include <cam/ctl/ctl_error.h>
59
60struct tpcl_softc {
61 struct ctl_port port;
62 int cur_tag_num;
63};
64
65static struct tpcl_softc tpcl_softc;
66
67static int tpcl_init(void);
68static void tpcl_shutdown(void);
69static void tpcl_datamove(union ctl_io *io);
70static void tpcl_done(union ctl_io *io);
71
72
73static struct ctl_frontend tpcl_frontend =
74{
75 .name = "tpc",
76 .init = tpcl_init,
77 .shutdown = tpcl_shutdown,
78};
79CTL_FRONTEND_DECLARE(ctltpc, tpcl_frontend);
80
81static int
82tpcl_init(void)
83{
84 struct tpcl_softc *tsoftc = &tpcl_softc;
85 struct ctl_port *port;
86 struct scsi_transportid_spi *tid;
87 int len;
88
89 memset(tsoftc, 0, sizeof(*tsoftc));
90
91 port = &tsoftc->port;
92 port->frontend = &tpcl_frontend;
93 port->port_type = CTL_PORT_INTERNAL;
94 port->num_requested_ctl_io = 100;
95 port->port_name = "tpc";
96 port->fe_datamove = tpcl_datamove;
97 port->fe_done = tpcl_done;
98 port->max_targets = 1;
99 port->max_target_id = 0;
100 port->targ_port = -1;
101 port->max_initiators = 1;
102
103 if (ctl_port_register(port) != 0) {
104 printf("%s: ctl_port_register() failed with error\n", __func__);
105 return (0);
106 }
107
108 len = sizeof(struct scsi_transportid_spi);
109 port->init_devid = malloc(sizeof(struct ctl_devid) + len,
110 M_CTL, M_WAITOK | M_ZERO);
111 port->init_devid->len = len;
112 tid = (struct scsi_transportid_spi *)port->init_devid->data;
113 tid->format_protocol = SCSI_TRN_SPI_FORMAT_DEFAULT | SCSI_PROTO_SPI;
114 scsi_ulto2b(0, tid->scsi_addr);
115 scsi_ulto2b(port->targ_port, tid->rel_trgt_port_id);
116
117 ctl_port_online(port);
118 return (0);
119}
120
121void
122tpcl_shutdown(void)
123{
124 struct tpcl_softc *tsoftc = &tpcl_softc;
125 struct ctl_port *port;
126
127 port = &tsoftc->port;
128 ctl_port_offline(port);
129 if (ctl_port_deregister(&tsoftc->port) != 0)
130 printf("%s: ctl_frontend_deregister() failed\n", __func__);
131}
132
133static void
134tpcl_datamove(union ctl_io *io)
135{
136 struct ctl_sg_entry *ext_sglist, *kern_sglist;
137 struct ctl_sg_entry ext_entry, kern_entry;
138 int ext_sg_entries, kern_sg_entries;
139 int ext_sg_start, ext_offset;
140 int len_to_copy, len_copied;
141 int kern_watermark, ext_watermark;
142 struct ctl_scsiio *ctsio;
143 int i, j;
144
145 ext_sg_start = 0;
146 ext_offset = 0;
147 ext_sglist = NULL;
148
149 CTL_DEBUG_PRINT(("%s\n", __func__));
150
151 ctsio = &io->scsiio;
152
153 /*
154 * If this is the case, we're probably doing a BBR read and don't
155 * actually need to transfer the data. This will effectively
156 * bit-bucket the data.
157 */
158 if (ctsio->ext_data_ptr == NULL)
159 goto bailout;
160
161 /*
162 * To simplify things here, if we have a single buffer, stick it in
163 * a S/G entry and just make it a single entry S/G list.
164 */
|
165 if (ctsio->io_hdr.flags & CTL_FLAG_EDPTR_SGLIST) {
| 165 if (ctsio->ext_sg_entries > 0) {
|
166 int len_seen;
167
168 ext_sglist = (struct ctl_sg_entry *)ctsio->ext_data_ptr;
169 ext_sg_entries = ctsio->ext_sg_entries;
170 ext_sg_start = 0;
171 ext_offset = 0;
172 len_seen = 0;
173 for (i = 0; i < ext_sg_entries; i++) {
174 if ((len_seen + ext_sglist[i].len) >=
175 ctsio->ext_data_filled) {
176 ext_sg_start = i;
177 ext_offset = ctsio->ext_data_filled - len_seen;
178 break;
179 }
180 len_seen += ext_sglist[i].len;
181 }
182 } else {
183 ext_sglist = &ext_entry;
184 ext_sglist->addr = ctsio->ext_data_ptr;
185 ext_sglist->len = ctsio->ext_data_len;
186 ext_sg_entries = 1;
187 ext_sg_start = 0;
188 ext_offset = ctsio->ext_data_filled;
189 }
190
191 if (ctsio->kern_sg_entries > 0) {
192 kern_sglist = (struct ctl_sg_entry *)ctsio->kern_data_ptr;
193 kern_sg_entries = ctsio->kern_sg_entries;
194 } else {
195 kern_sglist = &kern_entry;
196 kern_sglist->addr = ctsio->kern_data_ptr;
197 kern_sglist->len = ctsio->kern_data_len;
198 kern_sg_entries = 1;
199 }
200
201 kern_watermark = 0;
202 ext_watermark = ext_offset;
203 len_copied = 0;
204 for (i = ext_sg_start, j = 0;
205 i < ext_sg_entries && j < kern_sg_entries;) {
206 uint8_t *ext_ptr, *kern_ptr;
207
208 len_to_copy = min(ext_sglist[i].len - ext_watermark,
209 kern_sglist[j].len - kern_watermark);
210
211 ext_ptr = (uint8_t *)ext_sglist[i].addr;
212 ext_ptr = ext_ptr + ext_watermark;
213 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
214 /*
215 * XXX KDM fix this!
216 */
217 panic("need to implement bus address support");
218#if 0
219 kern_ptr = bus_to_virt(kern_sglist[j].addr);
220#endif
221 } else
222 kern_ptr = (uint8_t *)kern_sglist[j].addr;
223 kern_ptr = kern_ptr + kern_watermark;
224
225 kern_watermark += len_to_copy;
226 ext_watermark += len_to_copy;
227
228 if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
229 CTL_FLAG_DATA_IN) {
230 CTL_DEBUG_PRINT(("%s: copying %d bytes to user\n",
231 __func__, len_to_copy));
232 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
233 kern_ptr, ext_ptr));
234 memcpy(ext_ptr, kern_ptr, len_to_copy);
235 } else {
236 CTL_DEBUG_PRINT(("%s: copying %d bytes from user\n",
237 __func__, len_to_copy));
238 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
239 ext_ptr, kern_ptr));
240 memcpy(kern_ptr, ext_ptr, len_to_copy);
241 }
242
243 len_copied += len_to_copy;
244
245 if (ext_sglist[i].len == ext_watermark) {
246 i++;
247 ext_watermark = 0;
248 }
249
250 if (kern_sglist[j].len == kern_watermark) {
251 j++;
252 kern_watermark = 0;
253 }
254 }
255
256 ctsio->ext_data_filled += len_copied;
257
258 CTL_DEBUG_PRINT(("%s: ext_sg_entries: %d, kern_sg_entries: %d\n",
259 __func__, ext_sg_entries, kern_sg_entries));
260 CTL_DEBUG_PRINT(("%s: ext_data_len = %d, kern_data_len = %d\n",
261 __func__, ctsio->ext_data_len, ctsio->kern_data_len));
262
263 /* XXX KDM set residual?? */
264bailout:
265 io->scsiio.be_move_done(io);
266}
267
268static void
269tpcl_done(union ctl_io *io)
270{
271
272 tpc_done(io);
273}
274
275uint64_t
276tpcl_resolve(struct ctl_softc *softc, int init_port,
277 struct scsi_ec_cscd *cscd, uint32_t *ss, uint32_t *ps, uint32_t *pso)
278{
279 struct scsi_ec_cscd_id *cscdid;
280 struct ctl_port *port;
281 struct ctl_lun *lun;
282 uint64_t lunid = UINT64_MAX;
283
284 if (cscd->type_code != EC_CSCD_ID ||
285 (cscd->luidt_pdt & EC_LUIDT_MASK) != EC_LUIDT_LUN ||
286 (cscd->luidt_pdt & EC_NUL) != 0)
287 return (lunid);
288
289 cscdid = (struct scsi_ec_cscd_id *)cscd;
290 mtx_lock(&softc->ctl_lock);
291 if (init_port >= 0)
292 port = softc->ctl_ports[init_port];
293 else
294 port = NULL;
295 STAILQ_FOREACH(lun, &softc->lun_list, links) {
296 if (port != NULL &&
297 ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
298 continue;
299 if (lun->lun_devid == NULL)
300 continue;
301 if (scsi_devid_match(lun->lun_devid->data,
302 lun->lun_devid->len, &cscdid->codeset,
303 cscdid->length + 4) == 0) {
304 lunid = lun->lun;
305 if (ss && lun->be_lun)
306 *ss = lun->be_lun->blocksize;
307 if (ps && lun->be_lun)
308 *ps = lun->be_lun->blocksize <<
309 lun->be_lun->pblockexp;
310 if (pso && lun->be_lun)
311 *pso = lun->be_lun->blocksize *
312 lun->be_lun->pblockoff;
313 break;
314 }
315 }
316 mtx_unlock(&softc->ctl_lock);
317 return (lunid);
318};
319
320union ctl_io *
321tpcl_alloc_io(void)
322{
323 struct tpcl_softc *tsoftc = &tpcl_softc;
324
325 return (ctl_alloc_io(tsoftc->port.ctl_pool_ref));
326};
327
328int
329tpcl_queue(union ctl_io *io, uint64_t lun)
330{
331 struct tpcl_softc *tsoftc = &tpcl_softc;
332
333 io->io_hdr.nexus.initid = 0;
334 io->io_hdr.nexus.targ_port = tsoftc->port.targ_port;
335 io->io_hdr.nexus.targ_lun = lun;
336 io->scsiio.tag_num = atomic_fetchadd_int(&tsoftc->cur_tag_num, 1);
337 io->scsiio.ext_data_filled = 0;
338 return (ctl_queue(io));
339}
| 166 int len_seen;
167
168 ext_sglist = (struct ctl_sg_entry *)ctsio->ext_data_ptr;
169 ext_sg_entries = ctsio->ext_sg_entries;
170 ext_sg_start = 0;
171 ext_offset = 0;
172 len_seen = 0;
173 for (i = 0; i < ext_sg_entries; i++) {
174 if ((len_seen + ext_sglist[i].len) >=
175 ctsio->ext_data_filled) {
176 ext_sg_start = i;
177 ext_offset = ctsio->ext_data_filled - len_seen;
178 break;
179 }
180 len_seen += ext_sglist[i].len;
181 }
182 } else {
183 ext_sglist = &ext_entry;
184 ext_sglist->addr = ctsio->ext_data_ptr;
185 ext_sglist->len = ctsio->ext_data_len;
186 ext_sg_entries = 1;
187 ext_sg_start = 0;
188 ext_offset = ctsio->ext_data_filled;
189 }
190
191 if (ctsio->kern_sg_entries > 0) {
192 kern_sglist = (struct ctl_sg_entry *)ctsio->kern_data_ptr;
193 kern_sg_entries = ctsio->kern_sg_entries;
194 } else {
195 kern_sglist = &kern_entry;
196 kern_sglist->addr = ctsio->kern_data_ptr;
197 kern_sglist->len = ctsio->kern_data_len;
198 kern_sg_entries = 1;
199 }
200
201 kern_watermark = 0;
202 ext_watermark = ext_offset;
203 len_copied = 0;
204 for (i = ext_sg_start, j = 0;
205 i < ext_sg_entries && j < kern_sg_entries;) {
206 uint8_t *ext_ptr, *kern_ptr;
207
208 len_to_copy = min(ext_sglist[i].len - ext_watermark,
209 kern_sglist[j].len - kern_watermark);
210
211 ext_ptr = (uint8_t *)ext_sglist[i].addr;
212 ext_ptr = ext_ptr + ext_watermark;
213 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
214 /*
215 * XXX KDM fix this!
216 */
217 panic("need to implement bus address support");
218#if 0
219 kern_ptr = bus_to_virt(kern_sglist[j].addr);
220#endif
221 } else
222 kern_ptr = (uint8_t *)kern_sglist[j].addr;
223 kern_ptr = kern_ptr + kern_watermark;
224
225 kern_watermark += len_to_copy;
226 ext_watermark += len_to_copy;
227
228 if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
229 CTL_FLAG_DATA_IN) {
230 CTL_DEBUG_PRINT(("%s: copying %d bytes to user\n",
231 __func__, len_to_copy));
232 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
233 kern_ptr, ext_ptr));
234 memcpy(ext_ptr, kern_ptr, len_to_copy);
235 } else {
236 CTL_DEBUG_PRINT(("%s: copying %d bytes from user\n",
237 __func__, len_to_copy));
238 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
239 ext_ptr, kern_ptr));
240 memcpy(kern_ptr, ext_ptr, len_to_copy);
241 }
242
243 len_copied += len_to_copy;
244
245 if (ext_sglist[i].len == ext_watermark) {
246 i++;
247 ext_watermark = 0;
248 }
249
250 if (kern_sglist[j].len == kern_watermark) {
251 j++;
252 kern_watermark = 0;
253 }
254 }
255
256 ctsio->ext_data_filled += len_copied;
257
258 CTL_DEBUG_PRINT(("%s: ext_sg_entries: %d, kern_sg_entries: %d\n",
259 __func__, ext_sg_entries, kern_sg_entries));
260 CTL_DEBUG_PRINT(("%s: ext_data_len = %d, kern_data_len = %d\n",
261 __func__, ctsio->ext_data_len, ctsio->kern_data_len));
262
263 /* XXX KDM set residual?? */
264bailout:
265 io->scsiio.be_move_done(io);
266}
267
268static void
269tpcl_done(union ctl_io *io)
270{
271
272 tpc_done(io);
273}
274
275uint64_t
276tpcl_resolve(struct ctl_softc *softc, int init_port,
277 struct scsi_ec_cscd *cscd, uint32_t *ss, uint32_t *ps, uint32_t *pso)
278{
279 struct scsi_ec_cscd_id *cscdid;
280 struct ctl_port *port;
281 struct ctl_lun *lun;
282 uint64_t lunid = UINT64_MAX;
283
284 if (cscd->type_code != EC_CSCD_ID ||
285 (cscd->luidt_pdt & EC_LUIDT_MASK) != EC_LUIDT_LUN ||
286 (cscd->luidt_pdt & EC_NUL) != 0)
287 return (lunid);
288
289 cscdid = (struct scsi_ec_cscd_id *)cscd;
290 mtx_lock(&softc->ctl_lock);
291 if (init_port >= 0)
292 port = softc->ctl_ports[init_port];
293 else
294 port = NULL;
295 STAILQ_FOREACH(lun, &softc->lun_list, links) {
296 if (port != NULL &&
297 ctl_lun_map_to_port(port, lun->lun) >= CTL_MAX_LUNS)
298 continue;
299 if (lun->lun_devid == NULL)
300 continue;
301 if (scsi_devid_match(lun->lun_devid->data,
302 lun->lun_devid->len, &cscdid->codeset,
303 cscdid->length + 4) == 0) {
304 lunid = lun->lun;
305 if (ss && lun->be_lun)
306 *ss = lun->be_lun->blocksize;
307 if (ps && lun->be_lun)
308 *ps = lun->be_lun->blocksize <<
309 lun->be_lun->pblockexp;
310 if (pso && lun->be_lun)
311 *pso = lun->be_lun->blocksize *
312 lun->be_lun->pblockoff;
313 break;
314 }
315 }
316 mtx_unlock(&softc->ctl_lock);
317 return (lunid);
318};
319
320union ctl_io *
321tpcl_alloc_io(void)
322{
323 struct tpcl_softc *tsoftc = &tpcl_softc;
324
325 return (ctl_alloc_io(tsoftc->port.ctl_pool_ref));
326};
327
328int
329tpcl_queue(union ctl_io *io, uint64_t lun)
330{
331 struct tpcl_softc *tsoftc = &tpcl_softc;
332
333 io->io_hdr.nexus.initid = 0;
334 io->io_hdr.nexus.targ_port = tsoftc->port.targ_port;
335 io->io_hdr.nexus.targ_lun = lun;
336 io->scsiio.tag_num = atomic_fetchadd_int(&tsoftc->cur_tag_num, 1);
337 io->scsiio.ext_data_filled = 0;
338 return (ctl_queue(io));
339}
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