1/*-
| 1/*-
|
2 * Copyright (c) 2005-2008 Daniel Braniss <danny@cs.huji.ac.il>
| 2 * Copyright (c) 2005-2010 Daniel Braniss <danny@cs.huji.ac.il>
|
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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */
| 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */
|
27
| 27/* 28 | $Id: isc_cam.c 998 2009-12-20 10:32:45Z danny $ 29 */
|
28#include <sys/cdefs.h>
| 30#include <sys/cdefs.h>
|
29__FBSDID("$FreeBSD: head/sys/dev/iscsi/initiator/isc_cam.c 196352 2009-08-18 08:46:54Z mav $");
| 31__FBSDID("$FreeBSD: head/sys/dev/iscsi/initiator/isc_cam.c 211095 2010-08-09 12:36:36Z des $");
|
30 31#include "opt_iscsi_initiator.h" 32 33#include <sys/param.h> 34#include <sys/kernel.h> 35#include <sys/callout.h> 36#if __FreeBSD_version >= 700000 37#include <sys/lock.h> 38#include <sys/mutex.h> 39#endif 40#include <sys/conf.h> 41#include <sys/systm.h> 42#include <sys/malloc.h> 43#include <sys/mbuf.h> 44#include <sys/uio.h> 45#include <sys/sysctl.h>
| 32 33#include "opt_iscsi_initiator.h" 34 35#include <sys/param.h> 36#include <sys/kernel.h> 37#include <sys/callout.h> 38#if __FreeBSD_version >= 700000 39#include <sys/lock.h> 40#include <sys/mutex.h> 41#endif 42#include <sys/conf.h> 43#include <sys/systm.h> 44#include <sys/malloc.h> 45#include <sys/mbuf.h> 46#include <sys/uio.h> 47#include <sys/sysctl.h>
|
| 48#include <sys/sx.h>
|
46 47#include <cam/cam.h> 48#include <cam/cam_ccb.h> 49#include <cam/cam_sim.h> 50#include <cam/cam_xpt_sim.h> 51#include <cam/cam_periph.h> 52 53#include <dev/iscsi/initiator/iscsi.h> 54#include <dev/iscsi/initiator/iscsivar.h> 55
| 49 50#include <cam/cam.h> 51#include <cam/cam_ccb.h> 52#include <cam/cam_sim.h> 53#include <cam/cam_xpt_sim.h> 54#include <cam/cam_periph.h> 55 56#include <dev/iscsi/initiator/iscsi.h> 57#include <dev/iscsi/initiator/iscsivar.h> 58
|
56// XXX: untested/incomplete 57void 58ic_freeze(isc_session_t *sp)
| 59static void 60_inq(struct cam_sim *sim, union ccb *ccb)
|
59{
| 61{
|
| 62 struct ccb_pathinq *cpi = &ccb->cpi; 63 isc_session_t *sp = cam_sim_softc(sim); 64
|
60 debug_called(8);
| 65 debug_called(8);
|
61#if 0 62 sdebug(2, "freezing path=%p", sp->cam_path == NULL? 0: sp->cam_path); 63 if((sp->cam_path != NULL) && !(sp->flags & ISC_FROZEN)) { 64 xpt_freeze_devq(sp->cam_path, 1); 65 }
| 66 debug(3, "sid=%d target=%d lun=%d", sp->sid, ccb->ccb_h.target_id, ccb->ccb_h.target_lun); 67 68 cpi->version_num = 1; /* XXX??? */ 69 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE | PI_WIDE_32; 70 cpi->target_sprt = 0; 71 cpi->hba_misc = 0; 72 cpi->hba_eng_cnt = 0; 73 cpi->max_target = 0; //ISCSI_MAX_TARGETS - 1; 74 cpi->initiator_id = ISCSI_MAX_TARGETS; 75 cpi->max_lun = sp->opt.maxluns - 1; 76 cpi->bus_id = cam_sim_bus(sim); 77 cpi->base_transfer_speed = 3300; // 40000; // XXX: 78 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 79 strncpy(cpi->hba_vid, "iSCSI", HBA_IDLEN); 80 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 81 cpi->unit_number = cam_sim_unit(sim); 82 cpi->ccb_h.status = CAM_REQ_CMP; 83#if defined(KNOB_VALID_ADDRESS) 84 cpi->transport = XPORT_ISCSI; 85 cpi->transport_version = 0;
|
66#endif
| 86#endif
|
67 sp->flags |= ISC_FROZEN;
| |
68} 69
| 87} 88
|
70// XXX: untested/incomplete 71void 72ic_release(isc_session_t *sp)
| 89static __inline int 90_scsi_encap(struct cam_sim *sim, union ccb *ccb)
|
73{
| 91{
|
74 debug_called(8); 75#if 0 76 sdebug(2, "release path=%p", sp->cam_path == NULL? 0: sp->cam_path); 77 if((sp->cam_path != NULL) && (sp->flags & ISC_FROZEN)) { 78 xpt_release_devq(sp->cam_path, 1, TRUE); 79 }
| 92 int ret; 93 94#if __FreeBSD_version < 700000 95 ret = scsi_encap(sim, ccb); 96#else 97 isc_session_t *sp = cam_sim_softc(sim); 98 99 mtx_unlock(&sp->cam_mtx); 100 ret = scsi_encap(sim, ccb); 101 mtx_lock(&sp->cam_mtx);
|
80#endif
| 102#endif
|
81 sp->flags &= ~ISC_FROZEN;
| 103 return ret;
|
82} 83 84void 85ic_lost_target(isc_session_t *sp, int target) 86{
| 104} 105 106void 107ic_lost_target(isc_session_t *sp, int target) 108{
|
87 struct isc_softc *isp = sp->isc; 88
| |
89 debug_called(8);
| 109 debug_called(8);
|
90 sdebug(2, "target=%d", target);
| 110 sdebug(2, "lost target=%d", target); 111
|
91 if(sp->cam_path != NULL) {
| 112 if(sp->cam_path != NULL) {
|
92 mtx_lock(&isp->cam_mtx);
| 113 mtx_lock(&sp->cam_mtx);
|
93 xpt_async(AC_LOST_DEVICE, sp->cam_path, NULL); 94 xpt_free_path(sp->cam_path);
| 114 xpt_async(AC_LOST_DEVICE, sp->cam_path, NULL); 115 xpt_free_path(sp->cam_path);
|
95 mtx_unlock(&isp->cam_mtx);
| 116 mtx_unlock(&sp->cam_mtx);
|
96 sp->cam_path = 0; // XXX 97 } 98} 99 100static void
| 117 sp->cam_path = 0; // XXX 118 } 119} 120 121static void
|
101_scan_callback(struct cam_periph *periph, union ccb *ccb)
| 122scan_callback(struct cam_periph *periph, union ccb *ccb)
|
102{ 103 isc_session_t *sp = (isc_session_t *)ccb->ccb_h.spriv_ptr0; 104 105 debug_called(8); 106 107 free(ccb, M_TEMP); 108
| 123{ 124 isc_session_t *sp = (isc_session_t *)ccb->ccb_h.spriv_ptr0; 125 126 debug_called(8); 127 128 free(ccb, M_TEMP); 129
|
109 if(sp->flags & ISC_FFPWAIT) { 110 sp->flags &= ~ISC_FFPWAIT;
| 130 if(sp->flags & ISC_SCANWAIT) { 131 sp->flags &= ~ISC_SCANWAIT;
|
111 wakeup(sp); 112 } 113} 114
| 132 wakeup(sp); 133 } 134} 135
|
115static void 116_scan_target(isc_session_t *sp, int target)
| 136static int 137ic_scan(isc_session_t *sp)
|
117{
| 138{
|
118 union ccb *ccb;
| 139 union ccb *ccb;
|
119 120 debug_called(8);
| 140 141 debug_called(8);
|
121 sdebug(2, "target=%d", target);
| 142 sdebug(2, "scanning sid=%d", sp->sid);
|
122 123 if((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK | M_ZERO)) == NULL) { 124 xdebug("scan failed (can't allocate CCB)");
| 143 144 if((ccb = malloc(sizeof(union ccb), M_TEMP, M_WAITOK | M_ZERO)) == NULL) { 145 xdebug("scan failed (can't allocate CCB)");
|
125 return;
| 146 return ENOMEM; // XXX
|
126 }
| 147 }
|
127 CAM_LOCK(sp->isc);
| 148 149 sp->flags &= ~ISC_CAMDEVS; 150 sp->flags |= ISC_SCANWAIT; 151 152 CAM_LOCK(sp); 153 if(xpt_create_path(&sp->cam_path, xpt_periph, cam_sim_path(sp->cam_sim), 154 0, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 155 xdebug("can't create cam path"); 156 CAM_UNLOCK(sp); 157 free(ccb, M_TEMP); 158 return ENODEV; // XXX 159 }
|
128 xpt_setup_ccb(&ccb->ccb_h, sp->cam_path, 5/*priority (low)*/); 129 ccb->ccb_h.func_code = XPT_SCAN_BUS;
| 160 xpt_setup_ccb(&ccb->ccb_h, sp->cam_path, 5/*priority (low)*/); 161 ccb->ccb_h.func_code = XPT_SCAN_BUS;
|
130 ccb->ccb_h.cbfcnp = _scan_callback;
| 162 ccb->ccb_h.cbfcnp = scan_callback;
|
131 ccb->crcn.flags = CAM_FLAG_NONE; 132 ccb->ccb_h.spriv_ptr0 = sp; 133 134 xpt_action(ccb);
| 163 ccb->crcn.flags = CAM_FLAG_NONE; 164 ccb->ccb_h.spriv_ptr0 = sp; 165 166 xpt_action(ccb);
|
135 CAM_UNLOCK(sp->isc); 136}
| 167 CAM_UNLOCK(sp);
|
137
| 168
|
138int 139ic_fullfeature(struct cdev *dev) 140{ 141 struct isc_softc *isp = dev->si_drv1; 142 isc_session_t *sp = (isc_session_t *)dev->si_drv2; 143 144 debug_called(8); 145 sdebug(3, "dev=%d sc=%p", dev2unit(dev), isp); 146 147 sp->flags &= ~ISC_FFPHASE; 148 sp->flags |= ISC_FFPWAIT; 149 150 CAM_LOCK(isp); 151 if(xpt_create_path(&sp->cam_path, xpt_periph, cam_sim_path(sp->isc->cam_sim), 152 sp->sid, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 153 xdebug("can't create cam path"); 154 CAM_UNLOCK(isp); 155 return ENODEV; // XXX 156 } 157 CAM_UNLOCK(isp); 158 159 _scan_target(sp, sp->sid); 160 161 while(sp->flags & ISC_FFPWAIT)
| 169 while(sp->flags & ISC_SCANWAIT)
|
162 tsleep(sp, PRIBIO, "ffp", 5*hz); // the timeout time should 163 // be configurable
| 170 tsleep(sp, PRIBIO, "ffp", 5*hz); // the timeout time should 171 // be configurable
|
| 172 sdebug(2, "# of luns=%d", sp->target_nluns); 173
|
164 if(sp->target_nluns > 0) {
| 174 if(sp->target_nluns > 0) {
|
165 sp->flags |= ISC_FFPHASE;
| 175 sp->flags |= ISC_CAMDEVS;
|
166 return 0; 167 } 168 169 return ENODEV; 170} 171 172static void
| 176 return 0; 177 } 178 179 return ENODEV; 180} 181 182static void
|
173_inq(struct cam_sim *sim, union ccb *ccb, int maxluns) 174{ 175 struct ccb_pathinq *cpi = &ccb->cpi; 176 177 debug_called(4); 178 179 cpi->version_num = 1; /* XXX??? */ 180 cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE | PI_WIDE_32; 181 cpi->target_sprt = 0; 182 cpi->hba_misc = 0; 183 cpi->hba_eng_cnt = 0; 184 cpi->max_target = ISCSI_MAX_TARGETS - 1; 185 cpi->initiator_id = ISCSI_MAX_TARGETS; 186 cpi->max_lun = maxluns; 187 cpi->bus_id = cam_sim_bus(sim); 188 cpi->base_transfer_speed = 3300; 189 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 190 strncpy(cpi->hba_vid, "iSCSI", HBA_IDLEN); 191 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 192 cpi->unit_number = cam_sim_unit(sim); 193 cpi->transport = XPORT_ISCSI; 194 cpi->transport_version = 0; 195 cpi->ccb_h.status = CAM_REQ_CMP; 196} 197 198static __inline int 199_scsi_encap(struct cam_sim *sim, union ccb *ccb) 200{ 201 int ret; 202 203#if __FreeBSD_version < 700000 204 ret = scsi_encap(sim, ccb); 205#else 206 struct isc_softc *isp = (struct isc_softc *)cam_sim_softc(sim); 207 208 mtx_unlock(&isp->cam_mtx); 209 ret = scsi_encap(sim, ccb); 210 mtx_lock(&isp->cam_mtx); 211#endif 212 return ret; 213} 214 215static void
| |
216ic_action(struct cam_sim *sim, union ccb *ccb) 217{
| 183ic_action(struct cam_sim *sim, union ccb *ccb) 184{
|
| 185 isc_session_t *sp = cam_sim_softc(sim);
|
218 struct ccb_hdr *ccb_h = &ccb->ccb_h;
| 186 struct ccb_hdr *ccb_h = &ccb->ccb_h;
|
219 struct isc_softc *isp = (struct isc_softc *)cam_sim_softc(sim); 220 isc_session_t *sp;
| |
221 222 debug_called(8); 223
| 187 188 debug_called(8); 189
|
224 if((ccb_h->target_id != CAM_TARGET_WILDCARD) && (ccb_h->target_id < MAX_SESSIONS)) 225 sp = isp->sessions[ccb_h->target_id]; 226 else 227 sp = NULL; 228
| |
229 ccb_h->spriv_ptr0 = sp;
| 190 ccb_h->spriv_ptr0 = sp;
|
230 231 debug(4, "func_code=0x%x flags=0x%x status=0x%x target=%d lun=%d retry_count=%d timeout=%d",
| 191 sdebug(4, "func_code=0x%x flags=0x%x status=0x%x target=%d lun=%d retry_count=%d timeout=%d",
|
232 ccb_h->func_code, ccb->ccb_h.flags, ccb->ccb_h.status, 233 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 234 ccb->ccb_h.retry_count, ccb_h->timeout);
| 192 ccb_h->func_code, ccb->ccb_h.flags, ccb->ccb_h.status, 193 ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 194 ccb->ccb_h.retry_count, ccb_h->timeout);
|
235 /* 236 | first quick check 237 */
| 195 if(sp == NULL) { 196 xdebug("sp == NULL! cannot happen"); 197 return; 198 }
|
238 switch(ccb_h->func_code) {
| 199 switch(ccb_h->func_code) {
|
239 default: 240 // XXX: maybe check something else? 241 break; 242 243 case XPT_SCSI_IO: 244 case XPT_RESET_DEV: 245 case XPT_GET_TRAN_SETTINGS: 246 case XPT_SET_TRAN_SETTINGS: 247 case XPT_CALC_GEOMETRY: 248 if(sp == NULL) { 249 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 250#if __FreeBSD_version < 700000 251 XPT_DONE(isp, ccb); 252#else 253 xpt_done(ccb); 254#endif 255 return; 256 } 257 break; 258
| |
259 case XPT_PATH_INQ:
| 200 case XPT_PATH_INQ:
|
260 case XPT_NOOP: 261 if(sp == NULL && ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) { 262 ccb->ccb_h.status = CAM_DEV_NOT_THERE; 263#if __FreeBSD_version < 700000 264 XPT_DONE(isp, ccb); 265#else 266 xpt_done(ccb); 267#endif 268 debug(4, "status = CAM_DEV_NOT_THERE"); 269 return; 270 } 271 } 272 273 switch(ccb_h->func_code) { 274 275 case XPT_PATH_INQ: 276 _inq(sim, ccb, (sp? sp->opt.maxluns: ISCSI_MAX_LUNS) - 1);
| 201 _inq(sim, ccb);
|
277 break; 278 279 case XPT_RESET_BUS: // (can just be a stub that does nothing and completes) 280 { 281 struct ccb_pathinq *cpi = &ccb->cpi; 282 283 debug(3, "XPT_RESET_BUS"); 284 cpi->ccb_h.status = CAM_REQ_CMP; 285 break; 286 } 287 288 case XPT_SCSI_IO: 289 { 290 struct ccb_scsiio* csio = &ccb->csio; 291 292 debug(4, "XPT_SCSI_IO cmd=0x%x", csio->cdb_io.cdb_bytes[0]); 293 if(sp == NULL) { 294 ccb_h->status = CAM_REQ_INVALID; //CAM_NO_NEXUS; 295 debug(4, "xpt_done.status=%d", ccb_h->status); 296 break; 297 } 298 if(ccb_h->target_lun == CAM_LUN_WILDCARD) { 299 debug(3, "target=%d: bad lun (-1)", ccb_h->target_id); 300 ccb_h->status = CAM_LUN_INVALID; 301 break; 302 } 303 if(_scsi_encap(sim, ccb) != 0) 304 return; 305 break; 306 } 307 308 case XPT_CALC_GEOMETRY: 309 { 310 struct ccb_calc_geometry *ccg; 311 312 ccg = &ccb->ccg;
| 202 break; 203 204 case XPT_RESET_BUS: // (can just be a stub that does nothing and completes) 205 { 206 struct ccb_pathinq *cpi = &ccb->cpi; 207 208 debug(3, "XPT_RESET_BUS"); 209 cpi->ccb_h.status = CAM_REQ_CMP; 210 break; 211 } 212 213 case XPT_SCSI_IO: 214 { 215 struct ccb_scsiio* csio = &ccb->csio; 216 217 debug(4, "XPT_SCSI_IO cmd=0x%x", csio->cdb_io.cdb_bytes[0]); 218 if(sp == NULL) { 219 ccb_h->status = CAM_REQ_INVALID; //CAM_NO_NEXUS; 220 debug(4, "xpt_done.status=%d", ccb_h->status); 221 break; 222 } 223 if(ccb_h->target_lun == CAM_LUN_WILDCARD) { 224 debug(3, "target=%d: bad lun (-1)", ccb_h->target_id); 225 ccb_h->status = CAM_LUN_INVALID; 226 break; 227 } 228 if(_scsi_encap(sim, ccb) != 0) 229 return; 230 break; 231 } 232 233 case XPT_CALC_GEOMETRY: 234 { 235 struct ccb_calc_geometry *ccg; 236 237 ccg = &ccb->ccg;
|
313 debug(6, "XPT_CALC_GEOMETRY vsize=%jd bsize=%d", ccg->volume_size, ccg->block_size);
| 238 debug(4, "sid=%d target=%d lun=%d XPT_CALC_GEOMETRY vsize=%jd bsize=%d", 239 sp->sid, ccb->ccb_h.target_id, ccb->ccb_h.target_lun, 240 ccg->volume_size, ccg->block_size);
|
314 if(ccg->block_size == 0 || 315 (ccg->volume_size < ccg->block_size)) { 316 // print error message ... 317 /* XXX: what error is appropiate? */ 318 break;
| 241 if(ccg->block_size == 0 || 242 (ccg->volume_size < ccg->block_size)) { 243 // print error message ... 244 /* XXX: what error is appropiate? */ 245 break;
|
319 } else
| 246 } 247 else { 248 int lun, *off, boff; 249 250 lun = ccb->ccb_h.target_lun; 251 if(lun > ISCSI_MAX_LUNS) { 252 // XXX: 253 xdebug("lun %d > ISCSI_MAX_LUNS!\n", lun); 254 lun %= ISCSI_MAX_LUNS; 255 } 256 off = &sp->target_lun[lun / (sizeof(int)*8)]; 257 boff = BIT(lun % (sizeof(int)*8)); 258 debug(4, "sp->target_nluns=%d *off=%x boff=%x", 259 sp->target_nluns, *off, boff); 260 261 if((*off & boff) == 0) { 262 sp->target_nluns++; 263 *off |= boff; 264 }
|
320 cam_calc_geometry(ccg, /*extended*/1);
| 265 cam_calc_geometry(ccg, /*extended*/1);
|
| 266 }
|
321 break; 322 } 323 324 case XPT_GET_TRAN_SETTINGS: 325 default: 326 ccb_h->status = CAM_REQ_INVALID; 327 break; 328 } 329#if __FreeBSD_version < 700000
| 267 break; 268 } 269 270 case XPT_GET_TRAN_SETTINGS: 271 default: 272 ccb_h->status = CAM_REQ_INVALID; 273 break; 274 } 275#if __FreeBSD_version < 700000
|
330 XPT_DONE(isp, ccb);
| 276 XPT_DONE(sp, ccb);
|
331#else 332 xpt_done(ccb); 333#endif 334 return; 335} 336 337static void 338ic_poll(struct cam_sim *sim) 339{
| 277#else 278 xpt_done(ccb); 279#endif 280 return; 281} 282 283static void 284ic_poll(struct cam_sim *sim) 285{
|
340 debug_called(8);
| 286 debug_called(4);
|
341 342} 343 344int 345ic_getCamVals(isc_session_t *sp, iscsi_cam_t *cp) 346{
| 287 288} 289 290int 291ic_getCamVals(isc_session_t *sp, iscsi_cam_t *cp) 292{
|
347 int i; 348
| |
349 debug_called(8); 350
| 293 debug_called(8); 294
|
351 if(sp && sp->isc->cam_sim) { 352 cp->path_id = cam_sim_path(sp->isc->cam_sim); 353 cp->target_id = sp->sid; 354 cp->target_nluns = sp->target_nluns; // XXX: -1? 355 for(i = 0; i < cp->target_nluns; i++) 356 cp->target_lun[i] = sp->target_lun[i];
| 295 if(sp && sp->cam_sim) { 296 cp->path_id = cam_sim_path(sp->cam_sim); 297 cp->target_id = 0; 298 cp->target_nluns = ISCSI_MAX_LUNS; // XXX: -1?
|
357 return 0; 358 } 359 return ENXIO; 360} 361 362void
| 299 return 0; 300 } 301 return ENXIO; 302} 303 304void
|
363ic_destroy(struct isc_softc *isp)
| 305ic_destroy(isc_session_t *sp )
|
364{ 365 debug_called(8); 366
| 306{ 307 debug_called(8); 308
|
367 CAM_LOCK(isp); // can't harm :-)
| 309 if(sp->cam_path != NULL) { 310 sdebug(2, "name=%s unit=%d", 311 cam_sim_name(sp->cam_sim), cam_sim_unit(sp->cam_sim)); 312 CAM_LOCK(sp); 313#if 0 314 xpt_async(AC_LOST_DEVICE, sp->cam_path, NULL); 315#else 316 xpt_async(XPT_RESET_BUS, sp->cam_path, NULL); 317#endif 318 xpt_free_path(sp->cam_path); 319 xpt_bus_deregister(cam_sim_path(sp->cam_sim)); 320 cam_sim_free(sp->cam_sim, TRUE /*free_devq*/);
|
368
| 321
|
369 xpt_async(AC_LOST_DEVICE, isp->cam_path, NULL); 370 xpt_free_path(isp->cam_path); 371 372 xpt_bus_deregister(cam_sim_path(isp->cam_sim)); 373 cam_sim_free(isp->cam_sim, TRUE /*free_devq*/); 374 375 CAM_UNLOCK(isp);
| 322 CAM_UNLOCK(sp); 323 sdebug(2, "done"); 324 }
|
376} 377 378int
| 325} 326 327int
|
379ic_init(struct isc_softc *isp)
| 328ic_init(isc_session_t *sp)
|
380{ 381 struct cam_sim *sim; 382 struct cam_devq *devq;
| 329{ 330 struct cam_sim *sim; 331 struct cam_devq *devq;
|
383 struct cam_path *path;
| |
384
| 332
|
| 333 debug_called(8); 334
|
385 if((devq = cam_simq_alloc(256)) == NULL) 386 return ENOMEM; 387 388#if __FreeBSD_version >= 700000
| 335 if((devq = cam_simq_alloc(256)) == NULL) 336 return ENOMEM; 337 338#if __FreeBSD_version >= 700000
|
389 mtx_init(&isp->cam_mtx, "isc-cam", NULL, MTX_DEF);
| 339 mtx_init(&sp->cam_mtx, "isc-cam", NULL, MTX_DEF);
|
390#else 391 isp->cam_mtx = Giant; 392#endif
| 340#else 341 isp->cam_mtx = Giant; 342#endif
|
393 sim = cam_sim_alloc(ic_action, ic_poll, 394 "iscsi", isp, 0/*unit*/,
| 343 sim = cam_sim_alloc(ic_action, 344 ic_poll, 345 "iscsi", 346 sp, 347 sp->sid, // unit
|
395#if __FreeBSD_version >= 700000
| 348#if __FreeBSD_version >= 700000
|
396 &isp->cam_mtx,
| 349 &sp->cam_mtx,
|
397#endif
| 350#endif
|
398 1/*max_dev_transactions*/, 399 100/*max_tagged_dev_transactions*/,
| 351 1, // max_dev_transactions 352 0, // max_tagged_dev_transactions
|
400 devq); 401 if(sim == NULL) { 402 cam_simq_free(devq); 403#if __FreeBSD_version >= 700000
| 353 devq); 354 if(sim == NULL) { 355 cam_simq_free(devq); 356#if __FreeBSD_version >= 700000
|
404 mtx_destroy(&isp->cam_mtx);
| 357 mtx_destroy(&sp->cam_mtx);
|
405#endif 406 return ENXIO; 407 }
| 358#endif 359 return ENXIO; 360 }
|
408 CAM_LOCK(isp);
| 361 362 CAM_LOCK(sp);
|
409 if(xpt_bus_register(sim, 410#if __FreeBSD_version >= 700000 411 NULL, 412#endif
| 363 if(xpt_bus_register(sim, 364#if __FreeBSD_version >= 700000 365 NULL, 366#endif
|
413 0/*bus_number*/) != CAM_SUCCESS) 414 goto bad;
| 367 0/*bus_number*/) != CAM_SUCCESS) {
|
415
| 368
|
416 if(xpt_create_path(&path, xpt_periph, cam_sim_path(sim), 417 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) { 418 xpt_bus_deregister(cam_sim_path(sim)); 419 goto bad;
| 369 cam_sim_free(sim, /*free_devq*/TRUE); 370 CAM_UNLOCK(sp); 371#if __FreeBSD_version >= 700000 372 mtx_destroy(&sp->cam_mtx); 373#endif 374 return ENXIO;
|
420 }
| 375 }
|
| 376 sp->cam_sim = sim; 377 CAM_UNLOCK(sp);
|
421
| 378
|
422 CAM_UNLOCK(isp);
| 379 sdebug(1, "cam subsystem initialized");
|
423
| 380
|
424 isp->cam_sim = sim; 425 isp->cam_path = path;
| 381 ic_scan(sp);
|
426
| 382
|
427 debug(2, "cam subsystem initialized"); // XXX: add dev ... 428 debug(4, "sim=%p path=%p", sim, path);
| |
429 return 0;
| 383 return 0;
|
430 431 bad: 432 cam_sim_free(sim, /*free_devq*/TRUE); 433 CAM_UNLOCK(isp); 434#if __FreeBSD_version >= 700000 435 mtx_destroy(&isp->cam_mtx); 436#endif 437 return ENXIO;
| |
438}
| 384}
|