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ctl_tpc_local.c (274785) ctl_tpc_local.c (275942)
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 274785 2014-11-21 06:27:37Z mav $");
29__FBSDID("$FreeBSD: head/sys/cam/ctl/ctl_tpc_local.c 275942 2014-12-19 20:35:06Z 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_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
61struct tpcl_softc {
62 struct ctl_port port;
63 int cur_tag_num;
64};
65
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_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
61struct tpcl_softc {
62 struct ctl_port port;
63 int cur_tag_num;
64};
65
66extern struct ctl_softc *control_softc;
67static struct tpcl_softc tpcl_softc;
68
69static int tpcl_init(void);
70static void tpcl_shutdown(void);
71static void tpcl_online(void *arg);
72static void tpcl_offline(void *arg);
73static int tpcl_lun_enable(void *arg, struct ctl_id target_id, int lun_id);
74static int tpcl_lun_disable(void *arg, struct ctl_id target_id, int lun_id);
75static void tpcl_datamove(union ctl_io *io);
76static void tpcl_done(union ctl_io *io);
77
78
79static struct ctl_frontend tpcl_frontend =
80{
81 .name = "tpc",
82 .init = tpcl_init,
83 .shutdown = tpcl_shutdown,
84};
85CTL_FRONTEND_DECLARE(ctltpc, tpcl_frontend);
86
87static int
88tpcl_init(void)
89{
90 struct tpcl_softc *tsoftc = &tpcl_softc;
91 struct ctl_port *port;
92 struct scsi_transportid_spi *tid;
93 int len;
94
95 memset(tsoftc, 0, sizeof(*tsoftc));
96
97 port = &tsoftc->port;
98 port->frontend = &tpcl_frontend;
99 port->port_type = CTL_PORT_INTERNAL;
100 port->num_requested_ctl_io = 100;
101 port->port_name = "tpc";
102 port->port_online = tpcl_online;
103 port->port_offline = tpcl_offline;
104 port->onoff_arg = tsoftc;
105 port->lun_enable = tpcl_lun_enable;
106 port->lun_disable = tpcl_lun_disable;
107 port->targ_lun_arg = tsoftc;
108 port->fe_datamove = tpcl_datamove;
109 port->fe_done = tpcl_done;
110 port->max_targets = 1;
111 port->max_target_id = 0;
112 port->max_initiators = 1;
113
114 if (ctl_port_register(port) != 0)
115 {
116 printf("%s: tpc frontend registration failed\n", __func__);
117 return (0);
118 }
119
120 len = sizeof(struct scsi_transportid_spi);
121 port->init_devid = malloc(sizeof(struct ctl_devid) + len,
122 M_CTL, M_WAITOK | M_ZERO);
123 port->init_devid->len = len;
124 tid = (struct scsi_transportid_spi *)port->init_devid->data;
125 tid->format_protocol = SCSI_TRN_SPI_FORMAT_DEFAULT | SCSI_PROTO_SPI;
126 scsi_ulto2b(0, tid->scsi_addr);
127 scsi_ulto2b(port->targ_port, tid->rel_trgt_port_id);
128
129 ctl_port_online(port);
130 return (0);
131}
132
133void
134tpcl_shutdown(void)
135{
136 struct tpcl_softc *tsoftc = &tpcl_softc;
137 struct ctl_port *port;
138
139 port = &tsoftc->port;
140 ctl_port_offline(port);
141 if (ctl_port_deregister(&tsoftc->port) != 0)
142 printf("%s: ctl_frontend_deregister() failed\n", __func__);
143}
144
145static void
146tpcl_online(void *arg)
147{
148}
149
150static void
151tpcl_offline(void *arg)
152{
153}
154
155static int
156tpcl_lun_enable(void *arg, struct ctl_id target_id, int lun_id)
157{
158
159 return (0);
160}
161
162static int
163tpcl_lun_disable(void *arg, struct ctl_id target_id, int lun_id)
164{
165
166 return (0);
167}
168
169static void
170tpcl_datamove(union ctl_io *io)
171{
172 struct ctl_sg_entry *ext_sglist, *kern_sglist;
173 struct ctl_sg_entry ext_entry, kern_entry;
174 int ext_sg_entries, kern_sg_entries;
175 int ext_sg_start, ext_offset;
176 int len_to_copy, len_copied;
177 int kern_watermark, ext_watermark;
178 struct ctl_scsiio *ctsio;
179 int i, j;
180
181 ext_sg_start = 0;
182 ext_offset = 0;
183 ext_sglist = NULL;
184
185 CTL_DEBUG_PRINT(("%s\n", __func__));
186
187 ctsio = &io->scsiio;
188
189 /*
190 * If this is the case, we're probably doing a BBR read and don't
191 * actually need to transfer the data. This will effectively
192 * bit-bucket the data.
193 */
194 if (ctsio->ext_data_ptr == NULL)
195 goto bailout;
196
197 /*
198 * To simplify things here, if we have a single buffer, stick it in
199 * a S/G entry and just make it a single entry S/G list.
200 */
201 if (ctsio->io_hdr.flags & CTL_FLAG_EDPTR_SGLIST) {
202 int len_seen;
203
204 ext_sglist = (struct ctl_sg_entry *)ctsio->ext_data_ptr;
205 ext_sg_entries = ctsio->ext_sg_entries;
206 ext_sg_start = 0;
207 ext_offset = 0;
208 len_seen = 0;
209 for (i = 0; i < ext_sg_entries; i++) {
210 if ((len_seen + ext_sglist[i].len) >=
211 ctsio->ext_data_filled) {
212 ext_sg_start = i;
213 ext_offset = ctsio->ext_data_filled - len_seen;
214 break;
215 }
216 len_seen += ext_sglist[i].len;
217 }
218 } else {
219 ext_sglist = &ext_entry;
220 ext_sglist->addr = ctsio->ext_data_ptr;
221 ext_sglist->len = ctsio->ext_data_len;
222 ext_sg_entries = 1;
223 ext_sg_start = 0;
224 ext_offset = ctsio->ext_data_filled;
225 }
226
227 if (ctsio->kern_sg_entries > 0) {
228 kern_sglist = (struct ctl_sg_entry *)ctsio->kern_data_ptr;
229 kern_sg_entries = ctsio->kern_sg_entries;
230 } else {
231 kern_sglist = &kern_entry;
232 kern_sglist->addr = ctsio->kern_data_ptr;
233 kern_sglist->len = ctsio->kern_data_len;
234 kern_sg_entries = 1;
235 }
236
237 kern_watermark = 0;
238 ext_watermark = ext_offset;
239 len_copied = 0;
240 for (i = ext_sg_start, j = 0;
241 i < ext_sg_entries && j < kern_sg_entries;) {
242 uint8_t *ext_ptr, *kern_ptr;
243
244 len_to_copy = min(ext_sglist[i].len - ext_watermark,
245 kern_sglist[j].len - kern_watermark);
246
247 ext_ptr = (uint8_t *)ext_sglist[i].addr;
248 ext_ptr = ext_ptr + ext_watermark;
249 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
250 /*
251 * XXX KDM fix this!
252 */
253 panic("need to implement bus address support");
254#if 0
255 kern_ptr = bus_to_virt(kern_sglist[j].addr);
256#endif
257 } else
258 kern_ptr = (uint8_t *)kern_sglist[j].addr;
259 kern_ptr = kern_ptr + kern_watermark;
260
261 kern_watermark += len_to_copy;
262 ext_watermark += len_to_copy;
263
264 if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
265 CTL_FLAG_DATA_IN) {
266 CTL_DEBUG_PRINT(("%s: copying %d bytes to user\n",
267 __func__, len_to_copy));
268 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
269 kern_ptr, ext_ptr));
270 memcpy(ext_ptr, kern_ptr, len_to_copy);
271 } else {
272 CTL_DEBUG_PRINT(("%s: copying %d bytes from user\n",
273 __func__, len_to_copy));
274 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
275 ext_ptr, kern_ptr));
276 memcpy(kern_ptr, ext_ptr, len_to_copy);
277 }
278
279 len_copied += len_to_copy;
280
281 if (ext_sglist[i].len == ext_watermark) {
282 i++;
283 ext_watermark = 0;
284 }
285
286 if (kern_sglist[j].len == kern_watermark) {
287 j++;
288 kern_watermark = 0;
289 }
290 }
291
292 ctsio->ext_data_filled += len_copied;
293
294 CTL_DEBUG_PRINT(("%s: ext_sg_entries: %d, kern_sg_entries: %d\n",
295 __func__, ext_sg_entries, kern_sg_entries));
296 CTL_DEBUG_PRINT(("%s: ext_data_len = %d, kern_data_len = %d\n",
297 __func__, ctsio->ext_data_len, ctsio->kern_data_len));
298
299 /* XXX KDM set residual?? */
300bailout:
301 io->scsiio.be_move_done(io);
302}
303
304static void
305tpcl_done(union ctl_io *io)
306{
307
308 tpc_done(io);
309}
310
311uint64_t
66static struct tpcl_softc tpcl_softc;
67
68static int tpcl_init(void);
69static void tpcl_shutdown(void);
70static void tpcl_online(void *arg);
71static void tpcl_offline(void *arg);
72static int tpcl_lun_enable(void *arg, struct ctl_id target_id, int lun_id);
73static int tpcl_lun_disable(void *arg, struct ctl_id target_id, int lun_id);
74static void tpcl_datamove(union ctl_io *io);
75static void tpcl_done(union ctl_io *io);
76
77
78static struct ctl_frontend tpcl_frontend =
79{
80 .name = "tpc",
81 .init = tpcl_init,
82 .shutdown = tpcl_shutdown,
83};
84CTL_FRONTEND_DECLARE(ctltpc, tpcl_frontend);
85
86static int
87tpcl_init(void)
88{
89 struct tpcl_softc *tsoftc = &tpcl_softc;
90 struct ctl_port *port;
91 struct scsi_transportid_spi *tid;
92 int len;
93
94 memset(tsoftc, 0, sizeof(*tsoftc));
95
96 port = &tsoftc->port;
97 port->frontend = &tpcl_frontend;
98 port->port_type = CTL_PORT_INTERNAL;
99 port->num_requested_ctl_io = 100;
100 port->port_name = "tpc";
101 port->port_online = tpcl_online;
102 port->port_offline = tpcl_offline;
103 port->onoff_arg = tsoftc;
104 port->lun_enable = tpcl_lun_enable;
105 port->lun_disable = tpcl_lun_disable;
106 port->targ_lun_arg = tsoftc;
107 port->fe_datamove = tpcl_datamove;
108 port->fe_done = tpcl_done;
109 port->max_targets = 1;
110 port->max_target_id = 0;
111 port->max_initiators = 1;
112
113 if (ctl_port_register(port) != 0)
114 {
115 printf("%s: tpc frontend registration failed\n", __func__);
116 return (0);
117 }
118
119 len = sizeof(struct scsi_transportid_spi);
120 port->init_devid = malloc(sizeof(struct ctl_devid) + len,
121 M_CTL, M_WAITOK | M_ZERO);
122 port->init_devid->len = len;
123 tid = (struct scsi_transportid_spi *)port->init_devid->data;
124 tid->format_protocol = SCSI_TRN_SPI_FORMAT_DEFAULT | SCSI_PROTO_SPI;
125 scsi_ulto2b(0, tid->scsi_addr);
126 scsi_ulto2b(port->targ_port, tid->rel_trgt_port_id);
127
128 ctl_port_online(port);
129 return (0);
130}
131
132void
133tpcl_shutdown(void)
134{
135 struct tpcl_softc *tsoftc = &tpcl_softc;
136 struct ctl_port *port;
137
138 port = &tsoftc->port;
139 ctl_port_offline(port);
140 if (ctl_port_deregister(&tsoftc->port) != 0)
141 printf("%s: ctl_frontend_deregister() failed\n", __func__);
142}
143
144static void
145tpcl_online(void *arg)
146{
147}
148
149static void
150tpcl_offline(void *arg)
151{
152}
153
154static int
155tpcl_lun_enable(void *arg, struct ctl_id target_id, int lun_id)
156{
157
158 return (0);
159}
160
161static int
162tpcl_lun_disable(void *arg, struct ctl_id target_id, int lun_id)
163{
164
165 return (0);
166}
167
168static void
169tpcl_datamove(union ctl_io *io)
170{
171 struct ctl_sg_entry *ext_sglist, *kern_sglist;
172 struct ctl_sg_entry ext_entry, kern_entry;
173 int ext_sg_entries, kern_sg_entries;
174 int ext_sg_start, ext_offset;
175 int len_to_copy, len_copied;
176 int kern_watermark, ext_watermark;
177 struct ctl_scsiio *ctsio;
178 int i, j;
179
180 ext_sg_start = 0;
181 ext_offset = 0;
182 ext_sglist = NULL;
183
184 CTL_DEBUG_PRINT(("%s\n", __func__));
185
186 ctsio = &io->scsiio;
187
188 /*
189 * If this is the case, we're probably doing a BBR read and don't
190 * actually need to transfer the data. This will effectively
191 * bit-bucket the data.
192 */
193 if (ctsio->ext_data_ptr == NULL)
194 goto bailout;
195
196 /*
197 * To simplify things here, if we have a single buffer, stick it in
198 * a S/G entry and just make it a single entry S/G list.
199 */
200 if (ctsio->io_hdr.flags & CTL_FLAG_EDPTR_SGLIST) {
201 int len_seen;
202
203 ext_sglist = (struct ctl_sg_entry *)ctsio->ext_data_ptr;
204 ext_sg_entries = ctsio->ext_sg_entries;
205 ext_sg_start = 0;
206 ext_offset = 0;
207 len_seen = 0;
208 for (i = 0; i < ext_sg_entries; i++) {
209 if ((len_seen + ext_sglist[i].len) >=
210 ctsio->ext_data_filled) {
211 ext_sg_start = i;
212 ext_offset = ctsio->ext_data_filled - len_seen;
213 break;
214 }
215 len_seen += ext_sglist[i].len;
216 }
217 } else {
218 ext_sglist = &ext_entry;
219 ext_sglist->addr = ctsio->ext_data_ptr;
220 ext_sglist->len = ctsio->ext_data_len;
221 ext_sg_entries = 1;
222 ext_sg_start = 0;
223 ext_offset = ctsio->ext_data_filled;
224 }
225
226 if (ctsio->kern_sg_entries > 0) {
227 kern_sglist = (struct ctl_sg_entry *)ctsio->kern_data_ptr;
228 kern_sg_entries = ctsio->kern_sg_entries;
229 } else {
230 kern_sglist = &kern_entry;
231 kern_sglist->addr = ctsio->kern_data_ptr;
232 kern_sglist->len = ctsio->kern_data_len;
233 kern_sg_entries = 1;
234 }
235
236 kern_watermark = 0;
237 ext_watermark = ext_offset;
238 len_copied = 0;
239 for (i = ext_sg_start, j = 0;
240 i < ext_sg_entries && j < kern_sg_entries;) {
241 uint8_t *ext_ptr, *kern_ptr;
242
243 len_to_copy = min(ext_sglist[i].len - ext_watermark,
244 kern_sglist[j].len - kern_watermark);
245
246 ext_ptr = (uint8_t *)ext_sglist[i].addr;
247 ext_ptr = ext_ptr + ext_watermark;
248 if (io->io_hdr.flags & CTL_FLAG_BUS_ADDR) {
249 /*
250 * XXX KDM fix this!
251 */
252 panic("need to implement bus address support");
253#if 0
254 kern_ptr = bus_to_virt(kern_sglist[j].addr);
255#endif
256 } else
257 kern_ptr = (uint8_t *)kern_sglist[j].addr;
258 kern_ptr = kern_ptr + kern_watermark;
259
260 kern_watermark += len_to_copy;
261 ext_watermark += len_to_copy;
262
263 if ((ctsio->io_hdr.flags & CTL_FLAG_DATA_MASK) ==
264 CTL_FLAG_DATA_IN) {
265 CTL_DEBUG_PRINT(("%s: copying %d bytes to user\n",
266 __func__, len_to_copy));
267 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
268 kern_ptr, ext_ptr));
269 memcpy(ext_ptr, kern_ptr, len_to_copy);
270 } else {
271 CTL_DEBUG_PRINT(("%s: copying %d bytes from user\n",
272 __func__, len_to_copy));
273 CTL_DEBUG_PRINT(("%s: from %p to %p\n", __func__,
274 ext_ptr, kern_ptr));
275 memcpy(kern_ptr, ext_ptr, len_to_copy);
276 }
277
278 len_copied += len_to_copy;
279
280 if (ext_sglist[i].len == ext_watermark) {
281 i++;
282 ext_watermark = 0;
283 }
284
285 if (kern_sglist[j].len == kern_watermark) {
286 j++;
287 kern_watermark = 0;
288 }
289 }
290
291 ctsio->ext_data_filled += len_copied;
292
293 CTL_DEBUG_PRINT(("%s: ext_sg_entries: %d, kern_sg_entries: %d\n",
294 __func__, ext_sg_entries, kern_sg_entries));
295 CTL_DEBUG_PRINT(("%s: ext_data_len = %d, kern_data_len = %d\n",
296 __func__, ctsio->ext_data_len, ctsio->kern_data_len));
297
298 /* XXX KDM set residual?? */
299bailout:
300 io->scsiio.be_move_done(io);
301}
302
303static void
304tpcl_done(union ctl_io *io)
305{
306
307 tpc_done(io);
308}
309
310uint64_t
312tpcl_resolve(int init_port, struct scsi_ec_cscd *cscd, uint32_t *ss)
311tpcl_resolve(struct ctl_softc *softc, int init_port,
312 struct scsi_ec_cscd *cscd, uint32_t *ss)
313{
313{
314 struct ctl_softc *softc = control_softc;
315 struct scsi_ec_cscd_id *cscdid;
316 struct ctl_port *port;
317 struct ctl_lun *lun;
318 uint64_t lunid = UINT64_MAX, l;
319 int i;
320
321 if (cscd->type_code != EC_CSCD_ID)
322 return (lunid);
323
324 cscdid = (struct scsi_ec_cscd_id *)cscd;
325 mtx_lock(&softc->ctl_lock);
326 if (init_port >= 0) {
327 port = softc->ctl_ports[ctl_port_idx(init_port)];
328 if (port == NULL || port->lun_map == NULL)
329 init_port = -1;
330 }
331 if (init_port < 0) {
332 STAILQ_FOREACH(lun, &softc->lun_list, links) {
333 if (lun->lun_devid == NULL)
334 continue;
335 if (scsi_devid_match(lun->lun_devid->data,
336 lun->lun_devid->len, &cscdid->codeset,
337 cscdid->length + 4) == 0) {
338 lunid = lun->lun;
339 if (ss && lun->be_lun)
340 *ss = lun->be_lun->blocksize;
341 break;
342 }
343 }
344 } else {
345 for (i = 0; i < CTL_MAX_LUNS; i++) {
346 l = port->lun_map(port->targ_lun_arg, i);
347 if (l >= CTL_MAX_LUNS)
348 continue;
349 lun = softc->ctl_luns[l];
350 if (lun == NULL || lun->lun_devid == NULL)
351 continue;
352 if (scsi_devid_match(lun->lun_devid->data,
353 lun->lun_devid->len, &cscdid->codeset,
354 cscdid->length + 4) == 0) {
355 lunid = lun->lun;
356 if (ss && lun->be_lun)
357 *ss = lun->be_lun->blocksize;
358 break;
359 }
360 }
361 }
362 mtx_unlock(&softc->ctl_lock);
363 return (lunid);
364};
365
366union ctl_io *
367tpcl_alloc_io(void)
368{
369 struct tpcl_softc *tsoftc = &tpcl_softc;
370
371 return (ctl_alloc_io(tsoftc->port.ctl_pool_ref));
372};
373
374int
375tpcl_queue(union ctl_io *io, uint64_t lun)
376{
377 struct tpcl_softc *tsoftc = &tpcl_softc;
378
379 io->io_hdr.nexus.initid.id = 0;
380 io->io_hdr.nexus.targ_port = tsoftc->port.targ_port;
381 io->io_hdr.nexus.targ_target.id = 0;
382 io->io_hdr.nexus.targ_lun = lun;
383 io->scsiio.tag_num = atomic_fetchadd_int(&tsoftc->cur_tag_num, 1);
384 io->scsiio.ext_data_filled = 0;
385 return (ctl_queue(io));
386}
314 struct scsi_ec_cscd_id *cscdid;
315 struct ctl_port *port;
316 struct ctl_lun *lun;
317 uint64_t lunid = UINT64_MAX, l;
318 int i;
319
320 if (cscd->type_code != EC_CSCD_ID)
321 return (lunid);
322
323 cscdid = (struct scsi_ec_cscd_id *)cscd;
324 mtx_lock(&softc->ctl_lock);
325 if (init_port >= 0) {
326 port = softc->ctl_ports[ctl_port_idx(init_port)];
327 if (port == NULL || port->lun_map == NULL)
328 init_port = -1;
329 }
330 if (init_port < 0) {
331 STAILQ_FOREACH(lun, &softc->lun_list, links) {
332 if (lun->lun_devid == NULL)
333 continue;
334 if (scsi_devid_match(lun->lun_devid->data,
335 lun->lun_devid->len, &cscdid->codeset,
336 cscdid->length + 4) == 0) {
337 lunid = lun->lun;
338 if (ss && lun->be_lun)
339 *ss = lun->be_lun->blocksize;
340 break;
341 }
342 }
343 } else {
344 for (i = 0; i < CTL_MAX_LUNS; i++) {
345 l = port->lun_map(port->targ_lun_arg, i);
346 if (l >= CTL_MAX_LUNS)
347 continue;
348 lun = softc->ctl_luns[l];
349 if (lun == NULL || lun->lun_devid == NULL)
350 continue;
351 if (scsi_devid_match(lun->lun_devid->data,
352 lun->lun_devid->len, &cscdid->codeset,
353 cscdid->length + 4) == 0) {
354 lunid = lun->lun;
355 if (ss && lun->be_lun)
356 *ss = lun->be_lun->blocksize;
357 break;
358 }
359 }
360 }
361 mtx_unlock(&softc->ctl_lock);
362 return (lunid);
363};
364
365union ctl_io *
366tpcl_alloc_io(void)
367{
368 struct tpcl_softc *tsoftc = &tpcl_softc;
369
370 return (ctl_alloc_io(tsoftc->port.ctl_pool_ref));
371};
372
373int
374tpcl_queue(union ctl_io *io, uint64_t lun)
375{
376 struct tpcl_softc *tsoftc = &tpcl_softc;
377
378 io->io_hdr.nexus.initid.id = 0;
379 io->io_hdr.nexus.targ_port = tsoftc->port.targ_port;
380 io->io_hdr.nexus.targ_target.id = 0;
381 io->io_hdr.nexus.targ_lun = lun;
382 io->scsiio.tag_num = atomic_fetchadd_int(&tsoftc->cur_tag_num, 1);
383 io->scsiio.ext_data_filled = 0;
384 return (ctl_queue(io));
385}