1 /* $NetBSD: sbp.c,v 1.1 2005/07/11 15:29:05 kiyohara Exp $ */ 2 /*- 3 * Copyright (c) 2003 Hidetoshi Shimokawa 4 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the acknowledgement as bellow: 17 * 18 * This product includes software developed by K. Kobayashi and H. Shimokawa 19 * 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 * 35 * $FreeBSD: /repoman/r/ncvs/src/sys/dev/firewire/sbp.c,v 1.81 2005/01/06 01:42:41 imp Exp $ 36 * 37 */ 38 39 #if defined(__FreeBSD__) 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/conf.h> 43 #include <sys/module.h> 44 #include <sys/bus.h> 45 #include <sys/kernel.h> 46 #include <sys/sysctl.h> 47 #include <machine/bus.h> 48 #include <sys/malloc.h> 49 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 50 #include <sys/lock.h> 51 #include <sys/mutex.h> 52 #endif 53 54 #if defined(__DragonFly__) || __FreeBSD_version < 500106 55 #include <sys/devicestat.h> /* for struct devstat */ 56 #endif 57 58 #ifdef __DragonFly__ 59 #include <bus/cam/cam.h> 60 #include <bus/cam/cam_ccb.h> 61 #include <bus/cam/cam_sim.h> 62 #include <bus/cam/cam_xpt_sim.h> 63 #include <bus/cam/cam_debug.h> 64 #include <bus/cam/cam_periph.h> 65 #include <bus/cam/scsi/scsi_all.h> 66 67 #include <bus/firewire/fw_port.h> 68 #include <bus/firewire/firewire.h> 69 #include <bus/firewire/firewirereg.h> 70 #include <bus/firewire/fwdma.h> 71 #include <bus/firewire/iec13213.h> 72 #include "sbp.h" 73 #else 74 #include <cam/cam.h> 75 #include <cam/cam_ccb.h> 76 #include <cam/cam_sim.h> 77 #include <cam/cam_xpt_sim.h> 78 #include <cam/cam_debug.h> 79 #include <cam/cam_periph.h> 80 #include <cam/scsi/scsi_all.h> 81 82 #include <dev/firewire/fw_port.h> 83 #include <dev/firewire/firewire.h> 84 #include <dev/firewire/firewirereg.h> 85 #include <dev/firewire/fwdma.h> 86 #include <dev/firewire/iec13213.h> 87 #include <dev/firewire/sbp.h> 88 #endif 89 #elif defined(__NetBSD__) 90 #include <sys/param.h> 91 #include <sys/device.h> 92 #include <sys/errno.h> 93 #include <sys/buf.h> 94 #include <sys/kernel.h> 95 #include <sys/kthread.h> 96 #include <sys/malloc.h> 97 #include <sys/proc.h> 98 #include <sys/sysctl.h> 99 100 #include <machine/bus.h> 101 102 #include <dev/scsipi/scsi_spc.h> 103 #include <dev/scsipi/scsi_all.h> 104 #include <dev/scsipi/scsipi_all.h> 105 #include <dev/scsipi/scsiconf.h> 106 #include <dev/scsipi/scsipiconf.h> 107 108 #include <dev/ieee1394/fw_port.h> 109 #include <dev/ieee1394/firewire.h> 110 #include <dev/ieee1394/firewirereg.h> 111 #include <dev/ieee1394/fwdma.h> 112 #include <dev/ieee1394/iec13213.h> 113 #include <dev/ieee1394/sbp.h> 114 115 #include "locators.h" 116 #endif 117 118 #define ccb_sdev_ptr spriv_ptr0 119 #define ccb_sbp_ptr spriv_ptr1 120 121 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 122 /* 123 * Scan_bus doesn't work for more than 8 LUNs 124 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 125 */ 126 #define SBP_NUM_LUNS 64 127 #define SBP_DMA_SIZE PAGE_SIZE 128 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 129 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 130 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 131 132 /* 133 * STATUS FIFO addressing 134 * bit 135 * ----------------------- 136 * 0- 1( 2): 0 (alignment) 137 * 2- 9( 8): lun 138 * 10-31(14): unit 139 * 32-47(16): SBP_BIND_HI 140 * 48-64(16): bus_id, node_id 141 */ 142 #define SBP_BIND_HI 0x1 143 #define SBP_DEV2ADDR(u, l) \ 144 (((u_int64_t)SBP_BIND_HI << 32) \ 145 | (((u) & 0x3fff) << 10) \ 146 | (((l) & 0xff) << 2)) 147 #define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff) 148 #define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff) 149 #define SBP_INITIATOR 7 150 151 static const char *orb_fun_name[] = { 152 ORB_FUN_NAMES 153 }; 154 155 static int debug = 0; 156 static int auto_login = 1; 157 static int max_speed = -1; 158 static int sbp_cold = 1; 159 static int ex_login = 1; 160 static int login_delay = 1000; /* msec */ 161 static int scan_delay = 500; /* msec */ 162 static int use_doorbell = 0; 163 static int sbp_tags = 0; 164 165 #if defined(__FreeBSD__) 166 SYSCTL_DECL(_hw_firewire); 167 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 168 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 169 "SBP debug flag"); 170 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 171 "SBP perform login automatically"); 172 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 173 "SBP transfer max speed"); 174 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 175 &ex_login, 0, "SBP enable exclusive login"); 176 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 177 &login_delay, 0, "SBP login delay in msec"); 178 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 179 &scan_delay, 0, "SBP scan delay in msec"); 180 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 181 &use_doorbell, 0, "SBP use doorbell request"); 182 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 183 "SBP tagged queuing support"); 184 185 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 186 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 187 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 188 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 189 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 190 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 191 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 192 #elif defined(__NetBSD__) 193 static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper); 194 static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO); 195 static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO); 196 197 /* 198 * Setup sysctl(3) MIB, hw.sbp.* 199 * 200 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 201 */ 202 SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup") 203 { 204 int rc, sbp_node_num; 205 const struct sysctlnode *node; 206 207 if ((rc = sysctl_createv(clog, 0, NULL, NULL, 208 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 209 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) { 210 goto err; 211 } 212 213 if ((rc = sysctl_createv(clog, 0, NULL, &node, 214 CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp", 215 SYSCTL_DESCR("sbp controls"), NULL, 0, NULL, 216 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) { 217 goto err; 218 } 219 sbp_node_num = node->sysctl_num; 220 221 /* sbp auto login flag */ 222 if ((rc = sysctl_createv(clog, 0, NULL, &node, 223 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 224 "auto_login", SYSCTL_DESCR("SBP perform login automatically"), 225 NULL, 0, &auto_login, 226 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 227 goto err; 228 } 229 230 /* sbp max speed */ 231 if ((rc = sysctl_createv(clog, 0, NULL, &node, 232 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 233 "max_speed", SYSCTL_DESCR("SBP transfer max speed"), 234 sysctl_sbp_verify_max_speed, 0, &max_speed, 235 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 236 goto err; 237 } 238 239 /* sbp exclusive login flag */ 240 if ((rc = sysctl_createv(clog, 0, NULL, &node, 241 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 242 "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"), 243 NULL, 0, &ex_login, 244 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 245 goto err; 246 } 247 248 /* sbp login delay */ 249 if ((rc = sysctl_createv(clog, 0, NULL, &node, 250 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 251 "login_delay", SYSCTL_DESCR("SBP login delay in msec"), 252 NULL, 0, &login_delay, 253 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 254 goto err; 255 } 256 257 /* sbp scan delay */ 258 if ((rc = sysctl_createv(clog, 0, NULL, &node, 259 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 260 "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"), 261 NULL, 0, &scan_delay, 262 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 263 goto err; 264 } 265 266 /* sbp use doorbell flag */ 267 if ((rc = sysctl_createv(clog, 0, NULL, &node, 268 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 269 "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"), 270 NULL, 0, &use_doorbell, 271 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 272 goto err; 273 } 274 275 /* sbp force tagged queuing */ 276 if ((rc = sysctl_createv(clog, 0, NULL, &node, 277 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 278 "tags", SYSCTL_DESCR("SBP tagged queuing support"), 279 sysctl_sbp_verify_tags, 0, &sbp_tags, 280 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 281 goto err; 282 } 283 284 /* sbp driver debug flag */ 285 if ((rc = sysctl_createv(clog, 0, NULL, &node, 286 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 287 "sbp_debug", SYSCTL_DESCR("SBP debug flag"), 288 NULL, 0, &debug, 289 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 290 goto err; 291 } 292 293 return; 294 295 err: 296 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 297 } 298 299 static int 300 sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper) 301 { 302 int error, t; 303 struct sysctlnode node; 304 305 node = *rnode; 306 t = *(int*)rnode->sysctl_data; 307 node.sysctl_data = &t; 308 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 309 if (error || newp == NULL) 310 return (error); 311 312 if (t < lower || t > upper) 313 return (EINVAL); 314 315 *(int*)rnode->sysctl_data = t; 316 317 return (0); 318 } 319 320 static int 321 sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS) 322 { 323 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400)); 324 } 325 326 static int 327 sysctl_sbp_verify_tags(SYSCTLFN_ARGS) 328 { 329 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1)); 330 } 331 #endif 332 333 #define NEED_RESPONSE 0 334 335 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 336 #ifdef __sparc64__ /* iommu */ 337 #define SBP_IND_MAX howmany(MAXPHYS, SBP_SEG_MAX) 338 #else 339 #define SBP_IND_MAX howmany(MAXPHYS, PAGE_SIZE) 340 #endif 341 struct sbp_ocb { 342 STAILQ_ENTRY(sbp_ocb) ocb; 343 sbp_scsi_xfer *sxfer; 344 bus_addr_t bus_addr; 345 uint32_t orb[8]; 346 #define IND_PTR_OFFSET (8*sizeof(uint32_t)) 347 struct ind_ptr ind_ptr[SBP_IND_MAX]; 348 struct sbp_dev *sdev; 349 int flags; /* XXX should be removed */ 350 bus_dmamap_t dmamap; 351 }; 352 353 #define OCB_ACT_MGM 0 354 #define OCB_ACT_CMD 1 355 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 356 357 struct sbp_dev{ 358 #define SBP_DEV_RESET 0 /* accept login */ 359 #define SBP_DEV_LOGIN 1 /* to login */ 360 #if 0 361 #define SBP_DEV_RECONN 2 /* to reconnect */ 362 #endif 363 #define SBP_DEV_TOATTACH 3 /* to attach */ 364 #define SBP_DEV_PROBE 4 /* scan lun */ 365 #define SBP_DEV_ATTACHED 5 /* in operation */ 366 #define SBP_DEV_DEAD 6 /* unavailable unit */ 367 #define SBP_DEV_RETRY 7 /* unavailable unit */ 368 uint8_t status:4, 369 timeout:4; 370 uint8_t type; 371 uint16_t lun_id; 372 uint16_t freeze; 373 #define ORB_LINK_DEAD (1 << 0) 374 #define VALID_LUN (1 << 1) 375 #define ORB_POINTER_ACTIVE (1 << 2) 376 #define ORB_POINTER_NEED (1 << 3) 377 #define ORB_DOORBELL_ACTIVE (1 << 4) 378 #define ORB_DOORBELL_NEED (1 << 5) 379 #define ORB_SHORTAGE (1 << 6) 380 uint16_t flags; 381 #if defined(__FreeBSD__) 382 struct cam_path *path; 383 #elif defined(__NetBSD__) 384 struct scsipi_periph *periph; 385 #endif 386 struct sbp_target *target; 387 struct fwdma_alloc dma; 388 struct sbp_login_res *login; 389 struct callout login_callout; 390 struct sbp_ocb *ocb; 391 STAILQ_HEAD(, sbp_ocb) ocbs; 392 STAILQ_HEAD(, sbp_ocb) free_ocbs; 393 struct sbp_ocb *last_ocb; 394 char vendor[32]; 395 char product[32]; 396 char revision[10]; 397 }; 398 399 struct sbp_target { 400 int target_id; 401 int num_lun; 402 struct sbp_dev **luns; 403 struct sbp_softc *sbp; 404 struct fw_device *fwdev; 405 uint32_t mgm_hi, mgm_lo; 406 struct sbp_ocb *mgm_ocb_cur; 407 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 408 struct callout mgm_ocb_timeout; 409 struct callout scan_callout; 410 STAILQ_HEAD(, fw_xfer) xferlist; 411 int n_xfer; 412 }; 413 414 struct sbp_softc { 415 struct firewire_dev_comm fd; 416 #if defined(__FreeBSD__) 417 struct cam_sim *sim; 418 struct cam_path *path; 419 #elif defined(__NetBSD__) 420 struct scsipi_adapter sc_adapter; 421 struct scsipi_channel sc_channel; 422 struct device *sc_bus; 423 struct proc *proc; 424 #endif 425 struct sbp_target target; 426 struct fw_bind fwb; 427 fw_bus_dma_tag_t dmat; 428 struct timeval last_busreset; 429 #define SIMQ_FREEZED 1 430 int flags; 431 }; 432 433 #if defined(__NetBSD__) 434 int sbpmatch (struct device *, struct cfdata *, void *); 435 void sbpattach (struct device *parent, struct device *self, void *aux); 436 int sbpdetach (struct device *self, int flags); 437 #endif 438 static void sbp_post_explore (void *); 439 static void sbp_recv (struct fw_xfer *); 440 static void sbp_mgm_callback (struct fw_xfer *); 441 #if 0 442 static void sbp_cmd_callback (struct fw_xfer *); 443 #endif 444 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 445 static void sbp_doorbell(struct sbp_dev *); 446 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 447 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 448 static void sbp_abort_ocb (struct sbp_ocb *, int); 449 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 450 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 451 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 452 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 453 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 454 static void sbp_free_sdev(struct sbp_dev *); 455 static void sbp_free_target (struct sbp_target *); 456 static void sbp_mgm_timeout (void *arg); 457 static void sbp_timeout (void *arg); 458 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 459 #if defined(__FreeBSD__) 460 461 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 462 #elif defined(__NetBSD__) 463 static void sbp_scsipi_request( 464 struct scsipi_channel *, scsipi_adapter_req_t, void *); 465 static void sbp_minphys(struct buf *); 466 467 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394"); 468 #endif 469 470 #if defined(__FreeBSD__) 471 /* cam related functions */ 472 static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer); 473 static void sbp_poll(struct cam_sim *); 474 static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *); 475 static void sbp_cam_scan_target(void *); 476 static void sbp_cam_detach_sdev(struct sbp_dev *); 477 static void sbp_cam_detach_target (struct sbp_target *); 478 #define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd)) 479 #define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st)) 480 #elif defined(__NetBSD__) 481 /* scsipi related functions */ 482 static void fw_kthread_create0(void *); 483 static void sbp_scsipi_scan_target(void *); 484 static void sbp_scsipi_detach_sdev(struct sbp_dev *); 485 static void sbp_scsipi_detach_target (struct sbp_target *); 486 #define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd)) 487 #define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st)) 488 #endif 489 490 static const char *orb_status0[] = { 491 /* 0 */ "No additional information to report", 492 /* 1 */ "Request type not supported", 493 /* 2 */ "Speed not supported", 494 /* 3 */ "Page size not supported", 495 /* 4 */ "Access denied", 496 /* 5 */ "Logical unit not supported", 497 /* 6 */ "Maximum payload too small", 498 /* 7 */ "Reserved for future standardization", 499 /* 8 */ "Resources unavailable", 500 /* 9 */ "Function rejected", 501 /* A */ "Login ID not recognized", 502 /* B */ "Dummy ORB completed", 503 /* C */ "Request aborted", 504 /* FF */ "Unspecified error" 505 #define MAX_ORB_STATUS0 0xd 506 }; 507 508 static const char *orb_status1_object[] = { 509 /* 0 */ "Operation request block (ORB)", 510 /* 1 */ "Data buffer", 511 /* 2 */ "Page table", 512 /* 3 */ "Unable to specify" 513 }; 514 515 static const char *orb_status1_serial_bus_error[] = { 516 /* 0 */ "Missing acknowledge", 517 /* 1 */ "Reserved; not to be used", 518 /* 2 */ "Time-out error", 519 /* 3 */ "Reserved; not to be used", 520 /* 4 */ "Busy retry limit exceeded(X)", 521 /* 5 */ "Busy retry limit exceeded(A)", 522 /* 6 */ "Busy retry limit exceeded(B)", 523 /* 7 */ "Reserved for future standardization", 524 /* 8 */ "Reserved for future standardization", 525 /* 9 */ "Reserved for future standardization", 526 /* A */ "Reserved for future standardization", 527 /* B */ "Tardy retry limit exceeded", 528 /* C */ "Conflict error", 529 /* D */ "Data error", 530 /* E */ "Type error", 531 /* F */ "Address error" 532 }; 533 534 #if defined(__FreeBSD__) 535 #if 0 536 static void 537 sbp_identify(driver_t *driver, device_t parent) 538 { 539 device_t child; 540 SBP_DEBUG(0) 541 printf("sbp_identify\n"); 542 END_DEBUG 543 544 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 545 } 546 #endif 547 548 /* 549 * sbp_probe() 550 */ 551 static int 552 sbp_probe(device_t dev) 553 { 554 device_t pa; 555 556 SBP_DEBUG(0) 557 printf("sbp_probe\n"); 558 END_DEBUG 559 560 pa = device_get_parent(dev); 561 if(device_get_unit(dev) != device_get_unit(pa)){ 562 return(ENXIO); 563 } 564 565 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 566 567 #if 0 568 if (bootverbose) 569 debug = bootverbose; 570 #endif 571 572 return (0); 573 } 574 #elif defined(__NetBSD__) 575 int 576 sbpmatch(struct device *parent, struct cfdata *cf, void *aux) 577 { 578 struct fw_attach_args *fwa = aux; 579 580 if (strcmp(fwa->name, "sbp") == 0) 581 return (1); 582 return (0); 583 } 584 #endif 585 586 static void 587 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 588 { 589 struct fw_device *fwdev; 590 591 printf("%s:%d:%d ", 592 device_get_nameunit(sdev->target->sbp->fd.dev), 593 sdev->target->target_id, 594 sdev->lun_id 595 ); 596 if (new == 2) { 597 return; 598 } 599 fwdev = sdev->target->fwdev; 600 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 601 "speed:%d maxrec:%d", 602 (sdev->type & 0x40) >> 6, 603 (sdev->type & 0x1f), 604 fwdev->eui.hi, 605 fwdev->eui.lo, 606 fwdev->dst, 607 fwdev->speed, 608 fwdev->maxrec 609 ); 610 if (new) 611 printf(" new!\n"); 612 else 613 printf("\n"); 614 sbp_show_sdev_info(sdev, 2); 615 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 616 } 617 618 static void 619 sbp_alloc_lun(struct sbp_target *target) 620 { 621 struct crom_context cc; 622 struct csrreg *reg; 623 struct sbp_dev *sdev, **newluns; 624 struct sbp_softc *sbp; 625 int maxlun, lun, i; 626 627 sbp = target->sbp; 628 crom_init_context(&cc, target->fwdev->csrrom); 629 /* XXX shoud parse appropriate unit directories only */ 630 maxlun = -1; 631 while (cc.depth >= 0) { 632 reg = crom_search_key(&cc, CROM_LUN); 633 if (reg == NULL) 634 break; 635 lun = reg->val & 0xffff; 636 SBP_DEBUG(0) 637 printf("target %d lun %d found\n", target->target_id, lun); 638 END_DEBUG 639 if (maxlun < lun) 640 maxlun = lun; 641 crom_next(&cc); 642 } 643 if (maxlun < 0) 644 printf("%s:%d no LUN found\n", 645 device_get_nameunit(target->sbp->fd.dev), 646 target->target_id); 647 648 maxlun ++; 649 if (maxlun >= SBP_NUM_LUNS) 650 maxlun = SBP_NUM_LUNS; 651 652 /* Invalidiate stale devices */ 653 for (lun = 0; lun < target->num_lun; lun ++) { 654 sdev = target->luns[lun]; 655 if (sdev == NULL) 656 continue; 657 sdev->flags &= ~VALID_LUN; 658 if (lun >= maxlun) { 659 /* lost device */ 660 SBP_DETACH_SDEV(sdev); 661 sbp_free_sdev(sdev); 662 } 663 } 664 665 /* Reallocate */ 666 if (maxlun != target->num_lun) { 667 newluns = (struct sbp_dev **) realloc(target->luns, 668 sizeof(struct sbp_dev *) * maxlun, 669 M_SBP, M_NOWAIT | M_ZERO); 670 671 if (newluns == NULL) { 672 printf("%s: realloc failed\n", __func__); 673 newluns = target->luns; 674 maxlun = target->num_lun; 675 } 676 677 /* 678 * We must zero the extended region for the case 679 * realloc() doesn't allocate new buffer. 680 */ 681 if (maxlun > target->num_lun) 682 bzero(&newluns[target->num_lun], 683 sizeof(struct sbp_dev *) * 684 (maxlun - target->num_lun)); 685 686 target->luns = newluns; 687 target->num_lun = maxlun; 688 } 689 690 crom_init_context(&cc, target->fwdev->csrrom); 691 while (cc.depth >= 0) { 692 int new = 0; 693 694 reg = crom_search_key(&cc, CROM_LUN); 695 if (reg == NULL) 696 break; 697 lun = reg->val & 0xffff; 698 if (lun >= SBP_NUM_LUNS) { 699 printf("too large lun %d\n", lun); 700 goto next; 701 } 702 703 sdev = target->luns[lun]; 704 if (sdev == NULL) { 705 sdev = malloc(sizeof(struct sbp_dev), 706 M_SBP, M_NOWAIT | M_ZERO); 707 if (sdev == NULL) { 708 printf("%s: malloc failed\n", __func__); 709 goto next; 710 } 711 target->luns[lun] = sdev; 712 sdev->lun_id = lun; 713 sdev->target = target; 714 STAILQ_INIT(&sdev->ocbs); 715 CALLOUT_INIT(&sdev->login_callout); 716 sdev->status = SBP_DEV_RESET; 717 new = 1; 718 SBP_DEVICE_PREATTACH(); 719 } 720 sdev->flags |= VALID_LUN; 721 sdev->type = (reg->val & 0xff0000) >> 16; 722 723 if (new == 0) 724 goto next; 725 726 fwdma_malloc(sbp->fd.fc, 727 /* alignment */ sizeof(uint32_t), 728 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 729 if (sdev->dma.v_addr == NULL) { 730 printf("%s: dma space allocation failed\n", 731 __func__); 732 free(sdev, M_SBP); 733 target->luns[lun] = NULL; 734 goto next; 735 } 736 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 737 sdev->ocb = (struct sbp_ocb *) 738 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 739 bzero((char *)sdev->ocb, 740 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 741 742 STAILQ_INIT(&sdev->free_ocbs); 743 for (i = 0; i < SBP_QUEUE_LEN; i++) { 744 struct sbp_ocb *ocb; 745 ocb = &sdev->ocb[i]; 746 ocb->bus_addr = sdev->dma.bus_addr 747 + SBP_LOGIN_SIZE 748 + sizeof(struct sbp_ocb) * i 749 + offsetof(struct sbp_ocb, orb[0]); 750 if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 751 printf("sbp_attach: cannot create dmamap\n"); 752 /* XXX */ 753 goto next; 754 } 755 sbp_free_ocb(sdev, ocb); 756 } 757 next: 758 crom_next(&cc); 759 } 760 761 for (lun = 0; lun < target->num_lun; lun ++) { 762 sdev = target->luns[lun]; 763 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 764 SBP_DETACH_SDEV(sdev); 765 sbp_free_sdev(sdev); 766 target->luns[lun] = NULL; 767 } 768 } 769 } 770 771 static struct sbp_target * 772 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 773 { 774 struct sbp_target *target; 775 struct crom_context cc; 776 struct csrreg *reg; 777 778 SBP_DEBUG(1) 779 printf("sbp_alloc_target\n"); 780 END_DEBUG 781 /* new target */ 782 target = &sbp->target; 783 target->sbp = sbp; 784 target->fwdev = fwdev; 785 target->target_id = 0; 786 /* XXX we may want to reload mgm port after each bus reset */ 787 /* XXX there might be multiple management agents */ 788 crom_init_context(&cc, target->fwdev->csrrom); 789 reg = crom_search_key(&cc, CROM_MGM); 790 if (reg == NULL || reg->val == 0) { 791 printf("NULL management address\n"); 792 target->fwdev = NULL; 793 return NULL; 794 } 795 target->mgm_hi = 0xffff; 796 target->mgm_lo = 0xf0000000 | (reg->val << 2); 797 target->mgm_ocb_cur = NULL; 798 SBP_DEBUG(1) 799 printf("target: mgm_port: %x\n", target->mgm_lo); 800 END_DEBUG 801 STAILQ_INIT(&target->xferlist); 802 target->n_xfer = 0; 803 STAILQ_INIT(&target->mgm_ocb_queue); 804 CALLOUT_INIT(&target->mgm_ocb_timeout); 805 CALLOUT_INIT(&target->scan_callout); 806 807 target->luns = NULL; 808 target->num_lun = 0; 809 return target; 810 } 811 812 static void 813 sbp_probe_lun(struct sbp_dev *sdev) 814 { 815 struct fw_device *fwdev; 816 struct crom_context c, *cc = &c; 817 struct csrreg *reg; 818 819 bzero(sdev->vendor, sizeof(sdev->vendor)); 820 bzero(sdev->product, sizeof(sdev->product)); 821 822 fwdev = sdev->target->fwdev; 823 crom_init_context(cc, fwdev->csrrom); 824 /* get vendor string */ 825 crom_search_key(cc, CSRKEY_VENDOR); 826 crom_next(cc); 827 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 828 /* skip to the unit directory for SBP-2 */ 829 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 830 if (reg->val == CSRVAL_T10SBP2) 831 break; 832 crom_next(cc); 833 } 834 /* get firmware revision */ 835 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 836 if (reg != NULL) 837 snprintf(sdev->revision, sizeof(sdev->revision), 838 "%06x", reg->val); 839 /* get product string */ 840 crom_search_key(cc, CSRKEY_MODEL); 841 crom_next(cc); 842 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 843 } 844 845 static void 846 sbp_login_callout(void *arg) 847 { 848 struct sbp_dev *sdev = (struct sbp_dev *)arg; 849 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 850 } 851 852 static void 853 sbp_login(struct sbp_dev *sdev) 854 { 855 struct timeval delta; 856 struct timeval t; 857 int ticks = 0; 858 859 microtime(&delta); 860 timevalsub(&delta, &sdev->target->sbp->last_busreset); 861 t.tv_sec = login_delay / 1000; 862 t.tv_usec = (login_delay % 1000) * 1000; 863 timevalsub(&t, &delta); 864 if (t.tv_sec >= 0 && t.tv_usec > 0) 865 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 866 #if defined(__NetBSD__) && defined(cobalt) 867 /* XXXX boot time for cobalt */ 868 if (sdev->target->sbp->last_busreset.tv_sec == 0) 869 ticks = hz * 2; 870 #endif 871 SBP_DEBUG(0) 872 printf("%s: sec = %ld usec = %ld ticks = %d\n", __func__, 873 t.tv_sec, t.tv_usec, ticks); 874 END_DEBUG 875 callout_reset(&sdev->login_callout, ticks, 876 sbp_login_callout, (void *)(sdev)); 877 } 878 879 static void 880 sbp_probe_target(void *arg) 881 { 882 struct sbp_target *target = (struct sbp_target *)arg; 883 struct sbp_softc *sbp; 884 struct sbp_dev *sdev; 885 struct firewire_comm *fc; 886 int i; 887 888 SBP_DEBUG(1) 889 printf("sbp_probe_target %d\n", target->target_id); 890 END_DEBUG 891 892 sbp = target->sbp; 893 fc = target->sbp->fd.fc; 894 sbp_alloc_lun(target); 895 896 /* XXX untimeout mgm_ocb and dequeue */ 897 for (i=0; i < target->num_lun; i++) { 898 sdev = target->luns[i]; 899 if (sdev == NULL) 900 continue; 901 if (sdev->status != SBP_DEV_DEAD) { 902 if (SBP_DEVICE(sdev) != NULL) { 903 SBP_DEVICE_FREEZE(sdev, 1); 904 sdev->freeze ++; 905 } 906 sbp_probe_lun(sdev); 907 SBP_DEBUG(0) 908 sbp_show_sdev_info(sdev, 909 (sdev->status == SBP_DEV_RESET)); 910 END_DEBUG 911 912 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 913 switch (sdev->status) { 914 case SBP_DEV_RESET: 915 /* new or revived target */ 916 if (auto_login) 917 sbp_login(sdev); 918 break; 919 case SBP_DEV_TOATTACH: 920 case SBP_DEV_PROBE: 921 case SBP_DEV_ATTACHED: 922 case SBP_DEV_RETRY: 923 default: 924 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 925 break; 926 } 927 } else { 928 switch (sdev->status) { 929 case SBP_DEV_ATTACHED: 930 SBP_DEBUG(0) 931 /* the device has gone */ 932 sbp_show_sdev_info(sdev, 2); 933 printf("lost target\n"); 934 END_DEBUG 935 if (SBP_DEVICE(sdev) != NULL) { 936 SBP_DEVICE_FREEZE(sdev, 1); 937 sdev->freeze ++; 938 } 939 sdev->status = SBP_DEV_RETRY; 940 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 941 break; 942 case SBP_DEV_PROBE: 943 case SBP_DEV_TOATTACH: 944 sdev->status = SBP_DEV_RESET; 945 break; 946 case SBP_DEV_RETRY: 947 case SBP_DEV_RESET: 948 case SBP_DEV_DEAD: 949 break; 950 } 951 } 952 } 953 } 954 955 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 956 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 957 958 static void 959 sbp_post_busreset(void *arg) 960 { 961 struct sbp_softc *sbp = (struct sbp_softc *)arg; 962 struct sbp_target *target = &sbp->target; 963 struct fw_device *fwdev = target->fwdev; 964 int alive; 965 966 alive = SBP_FWDEV_ALIVE(fwdev); 967 SBP_DEBUG(0) 968 printf("sbp_post_busreset\n"); 969 if (!alive) 970 printf("not alive\n"); 971 END_DEBUG 972 if (!alive) 973 return; 974 975 SBP_BUS_FREEZE(sbp); 976 977 microtime(&sbp->last_busreset); 978 } 979 980 static void 981 sbp_post_explore(void *arg) 982 { 983 struct sbp_softc *sbp = (struct sbp_softc *)arg; 984 struct sbp_target *target = &sbp->target; 985 struct fw_device *fwdev = target->fwdev; 986 int alive; 987 988 alive = SBP_FWDEV_ALIVE(fwdev); 989 SBP_DEBUG(0) 990 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 991 if (!alive) 992 printf("not alive\n"); 993 END_DEBUG 994 if (!alive) 995 return; 996 997 if (sbp_cold > 0) 998 sbp_cold --; 999 1000 #if 0 1001 /* 1002 * XXX don't let CAM the bus rest. 1003 * CAM tries to do something with freezed (DEV_RETRY) devices. 1004 */ 1005 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1006 #endif 1007 1008 SBP_DEBUG(0) 1009 printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo); 1010 END_DEBUG 1011 sbp_probe_target((void *)target); 1012 if (target->num_lun == 0) 1013 sbp_free_target(target); 1014 1015 SBP_BUS_THAW(sbp); 1016 } 1017 1018 #if NEED_RESPONSE 1019 static void 1020 sbp_loginres_callback(struct fw_xfer *xfer){ 1021 int s; 1022 struct sbp_dev *sdev; 1023 sdev = (struct sbp_dev *)xfer->sc; 1024 SBP_DEBUG(1) 1025 sbp_show_sdev_info(sdev, 2); 1026 printf("sbp_loginres_callback\n"); 1027 END_DEBUG 1028 /* recycle */ 1029 s = splfw(); 1030 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 1031 splx(s); 1032 return; 1033 } 1034 #endif 1035 1036 static __inline void 1037 sbp_xfer_free(struct fw_xfer *xfer) 1038 { 1039 struct sbp_dev *sdev; 1040 int s; 1041 1042 sdev = (struct sbp_dev *)xfer->sc; 1043 fw_xfer_unload(xfer); 1044 s = splfw(); 1045 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 1046 splx(s); 1047 } 1048 1049 static void 1050 sbp_reset_start_callback(struct fw_xfer *xfer) 1051 { 1052 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 1053 struct sbp_target *target = sdev->target; 1054 int i; 1055 1056 if (xfer->resp != 0) { 1057 sbp_show_sdev_info(sdev, 2); 1058 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 1059 } 1060 1061 for (i = 0; i < target->num_lun; i++) { 1062 tsdev = target->luns[i]; 1063 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 1064 sbp_login(tsdev); 1065 } 1066 } 1067 1068 static void 1069 sbp_reset_start(struct sbp_dev *sdev) 1070 { 1071 struct fw_xfer *xfer; 1072 struct fw_pkt *fp; 1073 1074 SBP_DEBUG(0) 1075 sbp_show_sdev_info(sdev, 2); 1076 printf("sbp_reset_start\n"); 1077 END_DEBUG 1078 1079 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1080 xfer->hand = sbp_reset_start_callback; 1081 fp = &xfer->send.hdr; 1082 fp->mode.wreqq.dest_hi = 0xffff; 1083 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 1084 fp->mode.wreqq.data = htonl(0xf); 1085 fw_asyreq(xfer->fc, -1, xfer); 1086 } 1087 1088 static void 1089 sbp_mgm_callback(struct fw_xfer *xfer) 1090 { 1091 struct sbp_dev *sdev; 1092 int resp; 1093 1094 sdev = (struct sbp_dev *)xfer->sc; 1095 1096 SBP_DEBUG(1) 1097 sbp_show_sdev_info(sdev, 2); 1098 printf("sbp_mgm_callback\n"); 1099 END_DEBUG 1100 resp = xfer->resp; 1101 sbp_xfer_free(xfer); 1102 #if 0 1103 if (resp != 0) { 1104 sbp_show_sdev_info(sdev, 2); 1105 printf("management ORB failed(%d) ... RESET_START\n", resp); 1106 sbp_reset_start(sdev); 1107 } 1108 #endif 1109 return; 1110 } 1111 1112 #if defined(__FreeBSD__) 1113 static struct sbp_dev * 1114 sbp_next_dev(struct sbp_target *target, int lun) 1115 { 1116 struct sbp_dev **sdevp; 1117 int i; 1118 1119 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 1120 i++, sdevp++) 1121 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 1122 return(*sdevp); 1123 return(NULL); 1124 } 1125 1126 #define SCAN_PRI 1 1127 static void 1128 sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer) 1129 { 1130 struct sbp_target *target; 1131 struct sbp_dev *sdev; 1132 1133 sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr; 1134 target = sdev->target; 1135 SBP_DEBUG(0) 1136 sbp_show_sdev_info(sdev, 2); 1137 printf("sbp_cam_scan_lun\n"); 1138 END_DEBUG 1139 if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) { 1140 sdev->status = SBP_DEV_ATTACHED; 1141 } else { 1142 sbp_show_sdev_info(sdev, 2); 1143 printf("scan failed\n"); 1144 } 1145 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1146 if (sdev == NULL) { 1147 free(sxfer, M_SBP); 1148 return; 1149 } 1150 /* reuse sxfer */ 1151 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1152 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1153 xpt_action(sxfer); 1154 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1155 sdev->freeze = 1; 1156 } 1157 1158 static void 1159 sbp_cam_scan_target(void *arg) 1160 { 1161 struct sbp_target *target = (struct sbp_target *)arg; 1162 struct sbp_dev *sdev; 1163 sbp_scsi_xfer *sxfer; 1164 1165 sdev = sbp_next_dev(target, 0); 1166 if (sdev == NULL) { 1167 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1168 target->target_id); 1169 return; 1170 } 1171 SBP_DEBUG(0) 1172 sbp_show_sdev_info(sdev, 2); 1173 printf("sbp_cam_scan_target\n"); 1174 END_DEBUG 1175 sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO); 1176 if (sxfer == NULL) { 1177 printf("sbp_cam_scan_target: malloc failed\n"); 1178 return; 1179 } 1180 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1181 sxfer->ccb_h.func_code = XPT_SCAN_LUN; 1182 sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun; 1183 sxfer->ccb_h.flags |= CAM_DEV_QFREEZE; 1184 sxfer->crcn.flags = CAM_FLAG_NONE; 1185 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1186 1187 /* The scan is in progress now. */ 1188 xpt_action(sxfer); 1189 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1190 sdev->freeze = 1; 1191 } 1192 1193 static __inline void 1194 sbp_scan_dev(struct sbp_dev *sdev) 1195 { 1196 sdev->status = SBP_DEV_PROBE; 1197 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1198 sbp_cam_scan_target, (void *)sdev->target); 1199 } 1200 #else 1201 static void 1202 fw_kthread_create0(void *arg) 1203 { 1204 struct sbp_softc *sbp = (struct sbp_softc *)arg; 1205 1206 /* create thread */ 1207 if (kthread_create1(sbp_scsipi_scan_target, 1208 &sbp->target, &sbp->proc, "sbp%d_attach", sbp->fd.dev->dv_unit)) { 1209 1210 device_printf(sbp->fd.dev, "unable to create thread"); 1211 panic("fw_kthread_create"); 1212 } 1213 } 1214 1215 static void 1216 sbp_scsipi_scan_target(void *arg) 1217 { 1218 struct sbp_target *target = (struct sbp_target *)arg; 1219 struct sbp_softc *sbp = target->sbp; 1220 struct sbp_dev *sdev; 1221 struct scsipi_channel *chan = &sbp->sc_channel; 1222 struct scsibus_softc *sc_bus = (struct scsibus_softc *)sbp->sc_bus; 1223 int lun, yet; 1224 1225 do { 1226 tsleep(target, PWAIT|PCATCH, "-", 0); 1227 yet = 0; 1228 1229 for (lun = 0; lun < target->num_lun; lun ++) { 1230 sdev = target->luns[lun]; 1231 if (sdev == NULL) 1232 continue; 1233 if (sdev->status != SBP_DEV_PROBE) { 1234 yet ++; 1235 continue; 1236 } 1237 1238 if (sdev->periph == NULL) { 1239 if (chan->chan_nluns < target->num_lun) 1240 chan->chan_nluns = target->num_lun; 1241 1242 scsi_probe_bus(sc_bus, 1243 target->target_id, sdev->lun_id); 1244 sdev->periph = scsipi_lookup_periph( 1245 chan, target->target_id, lun); 1246 } 1247 sdev->status = SBP_DEV_ATTACHED; 1248 } 1249 } while (yet > 0); 1250 1251 sbp->proc = NULL; 1252 kthread_exit(0); 1253 } 1254 1255 static __inline void 1256 sbp_scan_dev(struct sbp_dev *sdev) 1257 { 1258 sdev->status = SBP_DEV_PROBE; 1259 wakeup(sdev->target); 1260 } 1261 #endif 1262 1263 1264 static void 1265 sbp_do_attach(struct fw_xfer *xfer) 1266 { 1267 struct sbp_dev *sdev; 1268 struct sbp_target *target; 1269 struct sbp_softc *sbp; 1270 1271 sdev = (struct sbp_dev *)xfer->sc; 1272 target = sdev->target; 1273 sbp = target->sbp; 1274 1275 SBP_DEBUG(0) 1276 sbp_show_sdev_info(sdev, 2); 1277 printf("sbp_do_attach\n"); 1278 END_DEBUG 1279 sbp_xfer_free(xfer); 1280 1281 #if defined(__FreeBSD__) 1282 if (sdev->path == NULL) 1283 xpt_create_path(&sdev->path, xpt_periph, 1284 cam_sim_path(target->sbp->sim), 1285 target->target_id, sdev->lun_id); 1286 1287 /* 1288 * Let CAM scan the bus if we are in the boot process. 1289 * XXX xpt_scan_bus cannot detect LUN larger than 0 1290 * if LUN 0 doesn't exists. 1291 */ 1292 if (sbp_cold > 0) { 1293 sdev->status = SBP_DEV_ATTACHED; 1294 return; 1295 } 1296 #endif 1297 1298 sbp_scan_dev(sdev); 1299 return; 1300 } 1301 1302 static void 1303 sbp_agent_reset_callback(struct fw_xfer *xfer) 1304 { 1305 struct sbp_dev *sdev; 1306 1307 sdev = (struct sbp_dev *)xfer->sc; 1308 SBP_DEBUG(1) 1309 sbp_show_sdev_info(sdev, 2); 1310 printf("%s\n", __func__); 1311 END_DEBUG 1312 if (xfer->resp != 0) { 1313 sbp_show_sdev_info(sdev, 2); 1314 printf("%s: resp=%d\n", __func__, xfer->resp); 1315 } 1316 1317 sbp_xfer_free(xfer); 1318 if (SBP_DEVICE(sdev)) { 1319 SBP_DEVICE_THAW(sdev, sdev->freeze); 1320 sdev->freeze = 0; 1321 } 1322 } 1323 1324 static void 1325 sbp_agent_reset(struct sbp_dev *sdev) 1326 { 1327 struct fw_xfer *xfer; 1328 struct fw_pkt *fp; 1329 1330 SBP_DEBUG(0) 1331 sbp_show_sdev_info(sdev, 2); 1332 printf("sbp_agent_reset\n"); 1333 END_DEBUG 1334 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1335 if (xfer == NULL) 1336 return; 1337 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1338 xfer->hand = sbp_agent_reset_callback; 1339 else 1340 xfer->hand = sbp_do_attach; 1341 fp = &xfer->send.hdr; 1342 fp->mode.wreqq.data = htonl(0xf); 1343 fw_asyreq(xfer->fc, -1, xfer); 1344 sbp_abort_all_ocbs(sdev, XS_BDR_SENT); 1345 } 1346 1347 static void 1348 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1349 { 1350 struct sbp_dev *sdev; 1351 1352 sdev = (struct sbp_dev *)xfer->sc; 1353 SBP_DEBUG(1) 1354 sbp_show_sdev_info(sdev, 2); 1355 printf("sbp_busy_timeout_callback\n"); 1356 END_DEBUG 1357 sbp_xfer_free(xfer); 1358 sbp_agent_reset(sdev); 1359 } 1360 1361 static void 1362 sbp_busy_timeout(struct sbp_dev *sdev) 1363 { 1364 struct fw_pkt *fp; 1365 struct fw_xfer *xfer; 1366 SBP_DEBUG(0) 1367 sbp_show_sdev_info(sdev, 2); 1368 printf("sbp_busy_timeout\n"); 1369 END_DEBUG 1370 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1371 1372 xfer->hand = sbp_busy_timeout_callback; 1373 fp = &xfer->send.hdr; 1374 fp->mode.wreqq.dest_hi = 0xffff; 1375 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1376 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1377 fw_asyreq(xfer->fc, -1, xfer); 1378 } 1379 1380 static void 1381 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1382 { 1383 struct sbp_dev *sdev; 1384 sdev = (struct sbp_dev *)xfer->sc; 1385 1386 SBP_DEBUG(1) 1387 sbp_show_sdev_info(sdev, 2); 1388 printf("%s\n", __func__); 1389 END_DEBUG 1390 if (xfer->resp != 0) { 1391 /* XXX */ 1392 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1393 } 1394 sbp_xfer_free(xfer); 1395 sdev->flags &= ~ORB_POINTER_ACTIVE; 1396 1397 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1398 struct sbp_ocb *ocb; 1399 1400 sdev->flags &= ~ORB_POINTER_NEED; 1401 ocb = STAILQ_FIRST(&sdev->ocbs); 1402 if (ocb != NULL) 1403 sbp_orb_pointer(sdev, ocb); 1404 } 1405 return; 1406 } 1407 1408 static void 1409 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1410 { 1411 struct fw_xfer *xfer; 1412 struct fw_pkt *fp; 1413 SBP_DEBUG(1) 1414 sbp_show_sdev_info(sdev, 2); 1415 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1416 END_DEBUG 1417 1418 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1419 SBP_DEBUG(0) 1420 printf("%s: orb pointer active\n", __func__); 1421 END_DEBUG 1422 sdev->flags |= ORB_POINTER_NEED; 1423 return; 1424 } 1425 1426 sdev->flags |= ORB_POINTER_ACTIVE; 1427 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1428 if (xfer == NULL) 1429 return; 1430 xfer->hand = sbp_orb_pointer_callback; 1431 1432 fp = &xfer->send.hdr; 1433 fp->mode.wreqb.len = 8; 1434 fp->mode.wreqb.extcode = 0; 1435 xfer->send.payload[0] = 1436 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1437 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1438 1439 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1440 sbp_xfer_free(xfer); 1441 SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID; 1442 SCSI_TRANSFER_DONE(ocb->sxfer); 1443 } 1444 } 1445 1446 static void 1447 sbp_doorbell_callback(struct fw_xfer *xfer) 1448 { 1449 struct sbp_dev *sdev; 1450 sdev = (struct sbp_dev *)xfer->sc; 1451 1452 SBP_DEBUG(1) 1453 sbp_show_sdev_info(sdev, 2); 1454 printf("sbp_doorbell_callback\n"); 1455 END_DEBUG 1456 if (xfer->resp != 0) { 1457 /* XXX */ 1458 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1459 } 1460 sbp_xfer_free(xfer); 1461 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1462 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1463 sdev->flags &= ~ORB_DOORBELL_NEED; 1464 sbp_doorbell(sdev); 1465 } 1466 return; 1467 } 1468 1469 static void 1470 sbp_doorbell(struct sbp_dev *sdev) 1471 { 1472 struct fw_xfer *xfer; 1473 struct fw_pkt *fp; 1474 SBP_DEBUG(1) 1475 sbp_show_sdev_info(sdev, 2); 1476 printf("sbp_doorbell\n"); 1477 END_DEBUG 1478 1479 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1480 sdev->flags |= ORB_DOORBELL_NEED; 1481 return; 1482 } 1483 sdev->flags |= ORB_DOORBELL_ACTIVE; 1484 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1485 if (xfer == NULL) 1486 return; 1487 xfer->hand = sbp_doorbell_callback; 1488 fp = &xfer->send.hdr; 1489 fp->mode.wreqq.data = htonl(0xf); 1490 fw_asyreq(xfer->fc, -1, xfer); 1491 } 1492 1493 static struct fw_xfer * 1494 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1495 { 1496 struct fw_xfer *xfer; 1497 struct fw_pkt *fp; 1498 struct sbp_target *target; 1499 int s, new = 0; 1500 1501 target = sdev->target; 1502 s = splfw(); 1503 xfer = STAILQ_FIRST(&target->xferlist); 1504 if (xfer == NULL) { 1505 if (target->n_xfer > 5 /* XXX */) { 1506 printf("sbp: no more xfer for this target\n"); 1507 splx(s); 1508 return(NULL); 1509 } 1510 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1511 if(xfer == NULL){ 1512 printf("sbp: fw_xfer_alloc_buf failed\n"); 1513 splx(s); 1514 return NULL; 1515 } 1516 target->n_xfer ++; 1517 if (debug) 1518 printf("sbp: alloc %d xfer\n", target->n_xfer); 1519 new = 1; 1520 } else { 1521 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1522 } 1523 splx(s); 1524 1525 microtime(&xfer->tv); 1526 1527 if (new) { 1528 xfer->recv.pay_len = 0; 1529 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1530 xfer->fc = sdev->target->sbp->fd.fc; 1531 } 1532 1533 if (tcode == FWTCODE_WREQB) 1534 xfer->send.pay_len = 8; 1535 else 1536 xfer->send.pay_len = 0; 1537 1538 xfer->sc = (caddr_t)sdev; 1539 fp = &xfer->send.hdr; 1540 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1541 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1542 fp->mode.wreqq.tlrt = 0; 1543 fp->mode.wreqq.tcode = tcode; 1544 fp->mode.wreqq.pri = 0; 1545 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1546 1547 return xfer; 1548 1549 } 1550 1551 static void 1552 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1553 { 1554 struct fw_xfer *xfer; 1555 struct fw_pkt *fp; 1556 struct sbp_ocb *ocb; 1557 struct sbp_target *target; 1558 int s, nid, dv_unit; 1559 1560 target = sdev->target; 1561 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1562 dv_unit = device_get_unit(target->sbp->fd.dev); 1563 1564 s = splfw(); 1565 if (func == ORB_FUN_RUNQUEUE) { 1566 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1567 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1568 splx(s); 1569 return; 1570 } 1571 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1572 goto start; 1573 } 1574 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1575 splx(s); 1576 /* XXX */ 1577 return; 1578 } 1579 ocb->flags = OCB_ACT_MGM; 1580 ocb->sdev = sdev; 1581 1582 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1583 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1584 ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id)); 1585 1586 SBP_DEBUG(0) 1587 sbp_show_sdev_info(sdev, 2); 1588 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1589 END_DEBUG 1590 switch (func) { 1591 case ORB_FUN_LGI: 1592 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1593 ocb->orb[2] = htonl(nid << 16); 1594 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1595 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1596 if (ex_login) 1597 ocb->orb[4] |= htonl(ORB_EXV); 1598 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1599 break; 1600 case ORB_FUN_ATA: 1601 ocb->orb[0] = htonl((0 << 16) | 0); 1602 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1603 /* fall through */ 1604 case ORB_FUN_RCN: 1605 case ORB_FUN_LGO: 1606 case ORB_FUN_LUR: 1607 case ORB_FUN_RST: 1608 case ORB_FUN_ATS: 1609 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1610 break; 1611 } 1612 1613 if (target->mgm_ocb_cur != NULL) { 1614 /* there is a standing ORB */ 1615 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1616 splx(s); 1617 return; 1618 } 1619 start: 1620 target->mgm_ocb_cur = ocb; 1621 splx(s); 1622 1623 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1624 sbp_mgm_timeout, (caddr_t)ocb); 1625 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1626 if(xfer == NULL){ 1627 return; 1628 } 1629 xfer->hand = sbp_mgm_callback; 1630 1631 fp = &xfer->send.hdr; 1632 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1633 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1634 fp->mode.wreqb.len = 8; 1635 fp->mode.wreqb.extcode = 0; 1636 xfer->send.payload[0] = htonl(nid << 16); 1637 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1638 SBP_DEBUG(0) 1639 sbp_show_sdev_info(sdev, 2); 1640 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1641 END_DEBUG 1642 1643 /* cache writeback & invalidate(required ORB_FUN_LGI func) */ 1644 /* when abort_ocb, should sync POST ope ? */ 1645 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1646 fw_asyreq(xfer->fc, -1, xfer); 1647 } 1648 1649 static void 1650 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1651 { 1652 #if defined(__FreeBSD__) 1653 struct ccb_scsiio *csio; 1654 1655 csio = &ocb->sxfer->csio; 1656 #endif 1657 printf("%s:%d:%d XPT_SCSI_IO: " 1658 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1659 ", flags: 0x%02x, " 1660 "%db cmd/%db data/%db sense\n", 1661 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1662 SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer), 1663 SCSI_XFER_10BCMD_DUMP(ocb->sxfer), 1664 SCSI_XFER_DIR(ocb->sxfer), 1665 SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer), 1666 SCSI_XFER_SENSELEN(ocb->sxfer)); 1667 } 1668 1669 static void 1670 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1671 { 1672 struct sbp_cmd_status *sbp_cmd_status; 1673 scsi3_sense_data_t sense = 1674 (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer); 1675 1676 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1677 1678 SBP_DEBUG(0) 1679 sbp_print_scsi_cmd(ocb); 1680 /* XXX need decode status */ 1681 sbp_show_sdev_info(ocb->sdev, 2); 1682 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1683 sbp_cmd_status->status, 1684 sbp_cmd_status->sfmt, 1685 sbp_cmd_status->valid, 1686 sbp_cmd_status->s_key, 1687 sbp_cmd_status->s_code, 1688 sbp_cmd_status->s_qlfr, 1689 sbp_status->len 1690 ); 1691 END_DEBUG 1692 1693 switch (sbp_cmd_status->status) { 1694 case SCSI_STATUS_CHECK_COND: 1695 case SCSI_STATUS_BUSY: 1696 case SCSI_STATUS_CMD_TERMINATED: 1697 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1698 sense->response_code = SSD_CURRENT_ERROR; 1699 }else{ 1700 sense->response_code = SSD_DEFERRED_ERROR; 1701 } 1702 if(sbp_cmd_status->valid) 1703 sense->response_code |= SSD_RESPONSE_CODE_VALID; 1704 sense->flags = sbp_cmd_status->s_key; 1705 if(sbp_cmd_status->mark) 1706 sense->flags |= SSD_FILEMARK; 1707 if(sbp_cmd_status->eom) 1708 sense->flags |= SSD_EOM; 1709 if(sbp_cmd_status->ill_len) 1710 sense->flags |= SSD_ILI; 1711 1712 bcopy(&sbp_cmd_status->info, &sense->infomation[0], 4); 1713 1714 if (sbp_status->len <= 1) 1715 /* XXX not scsi status. shouldn't be happened */ 1716 sense->asl = 0; 1717 else if (sbp_status->len <= 4) 1718 /* add_sense_code(_qual), info, cmd_spec_info */ 1719 sense->asl = 6; 1720 else 1721 /* fru, sense_key_spec */ 1722 sense->asl = 10; 1723 1724 bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4); 1725 1726 sense->asc = sbp_cmd_status->s_code; 1727 sense->ascq = sbp_cmd_status->s_qlfr; 1728 sense->fruc = sbp_cmd_status->fru; 1729 1730 bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3); 1731 SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE; 1732 SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status; 1733 /* 1734 { 1735 uint8_t j, *tmp; 1736 tmp = sense; 1737 for( j = 0 ; j < 32 ; j+=8){ 1738 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1739 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1740 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1741 } 1742 1743 } 1744 */ 1745 break; 1746 default: 1747 sbp_show_sdev_info(ocb->sdev, 2); 1748 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1749 sbp_cmd_status->status); 1750 } 1751 } 1752 1753 static void 1754 sbp_fix_inq_data(struct sbp_ocb *ocb) 1755 { 1756 sbp_scsi_xfer *sxfer = ocb->sxfer; 1757 struct sbp_dev *sdev; 1758 scsi3_inquiry_data_t inq = 1759 (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer); 1760 sdev = ocb->sdev; 1761 1762 if (SCSI_XFER_EVPD(sxfer)) 1763 return; 1764 SBP_DEBUG(1) 1765 sbp_show_sdev_info(sdev, 2); 1766 printf("sbp_fix_inq_data\n"); 1767 END_DEBUG 1768 switch (inq->device & SID_TYPE) { 1769 case T_DIRECT: 1770 #if 0 1771 /* 1772 * XXX Convert Direct Access device to RBC. 1773 * I've never seen FireWire DA devices which support READ_6. 1774 */ 1775 if ((inq->device & SID_TYPE) == T_DIRECT) 1776 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1777 #endif 1778 /* fall through */ 1779 case T_RBC: 1780 /* 1781 * Override vendor/product/revision information. 1782 * Some devices sometimes return strange strings. 1783 */ 1784 #if 1 1785 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1786 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1787 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1788 #endif 1789 break; 1790 } 1791 /* 1792 * Force to enable/disable tagged queuing. 1793 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1794 */ 1795 if (sbp_tags > 0) 1796 inq->flags[1] |= SID_CmdQue; 1797 else if (sbp_tags < 0) 1798 inq->flags[1] &= ~SID_CmdQue; 1799 1800 } 1801 1802 static void 1803 sbp_recv1(struct fw_xfer *xfer) 1804 { 1805 struct fw_pkt *rfp; 1806 #if NEED_RESPONSE 1807 struct fw_pkt *sfp; 1808 #endif 1809 struct sbp_softc *sbp; 1810 struct sbp_dev *sdev; 1811 struct sbp_ocb *ocb; 1812 struct sbp_login_res *login_res = NULL; 1813 struct sbp_status *sbp_status; 1814 struct sbp_target *target; 1815 int orb_fun, status_valid0, status_valid, l, reset_agent = 0; 1816 uint32_t addr; 1817 /* 1818 uint32_t *ld; 1819 ld = xfer->recv.buf; 1820 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1821 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1822 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1823 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1824 */ 1825 sbp = (struct sbp_softc *)xfer->sc; 1826 if (xfer->resp != 0){ 1827 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1828 goto done0; 1829 } 1830 if (xfer->recv.payload == NULL){ 1831 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1832 goto done0; 1833 } 1834 rfp = &xfer->recv.hdr; 1835 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1836 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1837 goto done0; 1838 } 1839 sbp_status = (struct sbp_status *)xfer->recv.payload; 1840 addr = rfp->mode.wreqb.dest_lo; 1841 SBP_DEBUG(2) 1842 printf("received address 0x%x\n", addr); 1843 END_DEBUG 1844 target = &sbp->target; 1845 l = SBP_ADDR2LUN(addr); 1846 if (l >= target->num_lun || target->luns[l] == NULL) { 1847 device_printf(sbp->fd.dev, 1848 "sbp_recv1: invalid lun %d (target=%d)\n", 1849 l, target->target_id); 1850 goto done0; 1851 } 1852 sdev = target->luns[l]; 1853 1854 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1855 1856 ocb = NULL; 1857 switch (sbp_status->src) { 1858 case SRC_NEXT_EXISTS: 1859 case SRC_NO_NEXT: 1860 /* check mgm_ocb_cur first */ 1861 ocb = target->mgm_ocb_cur; 1862 if (ocb != NULL) { 1863 if (OCB_MATCH(ocb, sbp_status)) { 1864 callout_stop(&target->mgm_ocb_timeout); 1865 target->mgm_ocb_cur = NULL; 1866 break; 1867 } 1868 } 1869 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1870 if (ocb == NULL) { 1871 sbp_show_sdev_info(sdev, 2); 1872 #if defined(__DragonFly__) || \ 1873 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1874 printf("No ocb(%lx) on the queue\n", 1875 #else 1876 printf("No ocb(%x) on the queue\n", 1877 #endif 1878 ntohl(sbp_status->orb_lo)); 1879 } 1880 break; 1881 case SRC_UNSOL: 1882 /* unsolicit */ 1883 sbp_show_sdev_info(sdev, 2); 1884 printf("unsolicit status received\n"); 1885 break; 1886 default: 1887 sbp_show_sdev_info(sdev, 2); 1888 printf("unknown sbp_status->src\n"); 1889 } 1890 1891 status_valid0 = (sbp_status->src < 2 1892 && sbp_status->resp == SBP_REQ_CMP 1893 && sbp_status->dead == 0); 1894 status_valid = (status_valid0 && sbp_status->status == 0); 1895 1896 if (!status_valid0 || debug > 2){ 1897 int status; 1898 SBP_DEBUG(0) 1899 sbp_show_sdev_info(sdev, 2); 1900 printf("ORB status src:%x resp:%x dead:%x" 1901 #if defined(__DragonFly__) || \ 1902 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1903 " len:%x stat:%x orb:%x%08lx\n", 1904 #else 1905 " len:%x stat:%x orb:%x%08x\n", 1906 #endif 1907 sbp_status->src, sbp_status->resp, sbp_status->dead, 1908 sbp_status->len, sbp_status->status, 1909 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1910 END_DEBUG 1911 sbp_show_sdev_info(sdev, 2); 1912 status = sbp_status->status; 1913 switch(sbp_status->resp) { 1914 case SBP_REQ_CMP: 1915 if (status > MAX_ORB_STATUS0) 1916 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1917 else 1918 printf("%s\n", orb_status0[status]); 1919 break; 1920 case SBP_TRANS_FAIL: 1921 printf("Obj: %s, Error: %s\n", 1922 orb_status1_object[(status>>6) & 3], 1923 orb_status1_serial_bus_error[status & 0xf]); 1924 break; 1925 case SBP_ILLE_REQ: 1926 printf("Illegal request\n"); 1927 break; 1928 case SBP_VEND_DEP: 1929 printf("Vendor dependent\n"); 1930 break; 1931 default: 1932 printf("unknown respose code %d\n", sbp_status->resp); 1933 } 1934 } 1935 1936 /* we have to reset the fetch agent if it's dead */ 1937 if (sbp_status->dead) { 1938 if (SBP_DEVICE(sdev) != NULL) { 1939 SBP_DEVICE_FREEZE(sdev, 1); 1940 sdev->freeze ++; 1941 } 1942 reset_agent = 1; 1943 } 1944 1945 if (ocb == NULL) 1946 goto done; 1947 1948 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1949 case ORB_FMT_NOP: 1950 break; 1951 case ORB_FMT_VED: 1952 break; 1953 case ORB_FMT_STD: 1954 switch(ocb->flags) { 1955 case OCB_ACT_MGM: 1956 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1957 reset_agent = 0; 1958 switch(orb_fun) { 1959 case ORB_FUN_LGI: 1960 login_res = sdev->login; 1961 login_res->len = ntohs(login_res->len); 1962 login_res->id = ntohs(login_res->id); 1963 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1964 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1965 if (status_valid) { 1966 SBP_DEBUG(0) 1967 sbp_show_sdev_info(sdev, 2); 1968 printf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo, ntohs(login_res->recon_hold)); 1969 END_DEBUG 1970 sbp_busy_timeout(sdev); 1971 } else { 1972 /* forgot logout? */ 1973 sbp_show_sdev_info(sdev, 2); 1974 printf("login failed\n"); 1975 sdev->status = SBP_DEV_RESET; 1976 } 1977 break; 1978 case ORB_FUN_RCN: 1979 login_res = sdev->login; 1980 if (status_valid) { 1981 SBP_DEBUG(0) 1982 sbp_show_sdev_info(sdev, 2); 1983 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1984 END_DEBUG 1985 #if 1 1986 #if defined(__FreeBSD__) 1987 if (sdev->status == SBP_DEV_ATTACHED) 1988 sbp_scan_dev(sdev); 1989 else 1990 #endif 1991 sbp_agent_reset(sdev); 1992 #else 1993 sdev->status = SBP_DEV_ATTACHED; 1994 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1995 #endif 1996 } else { 1997 /* reconnection hold time exceed? */ 1998 SBP_DEBUG(0) 1999 sbp_show_sdev_info(sdev, 2); 2000 printf("reconnect failed\n"); 2001 END_DEBUG 2002 sbp_login(sdev); 2003 } 2004 break; 2005 case ORB_FUN_LGO: 2006 sdev->status = SBP_DEV_RESET; 2007 break; 2008 case ORB_FUN_RST: 2009 sbp_busy_timeout(sdev); 2010 break; 2011 case ORB_FUN_LUR: 2012 case ORB_FUN_ATA: 2013 case ORB_FUN_ATS: 2014 sbp_agent_reset(sdev); 2015 break; 2016 default: 2017 sbp_show_sdev_info(sdev, 2); 2018 printf("unknown function %d\n", orb_fun); 2019 break; 2020 } 2021 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2022 break; 2023 case OCB_ACT_CMD: 2024 sdev->timeout = 0; 2025 if(ocb->sxfer != NULL){ 2026 sbp_scsi_xfer *sxfer = ocb->sxfer; 2027 /* 2028 uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer); 2029 if(ld != NULL && 2030 SCSI_XFER_DATALEN(ocb->sxfer) != 0) 2031 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 2032 else 2033 printf("ptr NULL\n"); 2034 printf("len %d\n", sbp_status->len); 2035 */ 2036 if(sbp_status->len > 1){ 2037 sbp_scsi_status(sbp_status, ocb); 2038 }else{ 2039 if(sbp_status->resp != SBP_REQ_CMP){ 2040 SCSI_XFER_ERROR(sxfer) = 2041 XS_REQ_CMP_ERR; 2042 }else{ 2043 SCSI_XFER_ERROR(sxfer) = 2044 XS_REQ_CMP; 2045 SCSI_XFER_REQUEST_COMPLETE( 2046 sxfer); 2047 } 2048 } 2049 /* fix up inq data */ 2050 if (SCSI_XFER_OPECODE(sxfer) == INQUIRY) 2051 sbp_fix_inq_data(ocb); 2052 SCSI_TRANSFER_DONE(sxfer); 2053 } 2054 break; 2055 default: 2056 break; 2057 } 2058 } 2059 2060 if (!use_doorbell) 2061 sbp_free_ocb(sdev, ocb); 2062 done: 2063 if (reset_agent) 2064 sbp_agent_reset(sdev); 2065 2066 done0: 2067 xfer->recv.pay_len = SBP_RECV_LEN; 2068 /* The received packet is usually small enough to be stored within 2069 * the buffer. In that case, the controller return ack_complete and 2070 * no respose is necessary. 2071 * 2072 * XXX fwohci.c and firewire.c should inform event_code such as 2073 * ack_complete or ack_pending to upper driver. 2074 */ 2075 #if NEED_RESPONSE 2076 xfer->send.off = 0; 2077 sfp = (struct fw_pkt *)xfer->send.buf; 2078 sfp->mode.wres.dst = rfp->mode.wreqb.src; 2079 xfer->dst = sfp->mode.wres.dst; 2080 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 2081 xfer->hand = sbp_loginres_callback; 2082 2083 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 2084 sfp->mode.wres.tcode = FWTCODE_WRES; 2085 sfp->mode.wres.rtcode = 0; 2086 sfp->mode.wres.pri = 0; 2087 2088 fw_asyreq(xfer->fc, -1, xfer); 2089 #else 2090 /* recycle */ 2091 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 2092 #endif 2093 2094 return; 2095 2096 } 2097 2098 static void 2099 sbp_recv(struct fw_xfer *xfer) 2100 { 2101 int s; 2102 2103 s = splfwsbp(); 2104 sbp_recv1(xfer); 2105 splx(s); 2106 } 2107 /* 2108 * sbp_attach() 2109 */ 2110 FW_ATTACH(sbp) 2111 { 2112 FW_ATTACH_START(sbp, sbp, fwa); 2113 int dv_unit, error, s; 2114 SBP_ATTACH_START; 2115 2116 SBP_DEBUG(0) 2117 printf("sbp_attach (cold=%d)\n", cold); 2118 END_DEBUG 2119 2120 if (cold) 2121 sbp_cold ++; 2122 sbp->fd.fc = fwa->fc; 2123 2124 if (max_speed < 0) 2125 max_speed = sbp->fd.fc->speed; 2126 2127 error = fw_bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 2128 /* XXX shoud be 4 for sane backend? */ 2129 /*alignment*/1, 2130 /*boundary*/0, 2131 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2132 /*highaddr*/BUS_SPACE_MAXADDR, 2133 /*filter*/NULL, /*filterarg*/NULL, 2134 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2135 /*maxsegsz*/SBP_SEG_MAX, 2136 /*flags*/BUS_DMA_ALLOCNOW, 2137 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 2138 /*lockfunc*/busdma_lock_mutex, 2139 /*lockarg*/&Giant, 2140 #endif 2141 &sbp->dmat); 2142 if (error != 0) { 2143 printf("sbp_attach: Could not allocate DMA tag " 2144 "- error %d\n", error); 2145 FW_ATTACH_RETURN(ENOMEM); 2146 } 2147 2148 #if defined(__FreeBSD__) 2149 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 2150 if (devq == NULL) 2151 return (ENXIO); 2152 #endif 2153 2154 sbp->target.fwdev = NULL; 2155 sbp->target.luns = NULL; 2156 2157 if (sbp_alloc_target(sbp, fwa->fwdev) == NULL) 2158 FW_ATTACH_RETURN(ENXIO); 2159 2160 SBP_SCSIBUS_ATTACH; 2161 2162 /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */ 2163 dv_unit = device_get_unit(sbp->fd.dev); 2164 sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0); 2165 sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1); 2166 /* pre-allocate xfer */ 2167 STAILQ_INIT(&sbp->fwb.xferlist); 2168 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2169 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2170 sbp->fd.fc, (void *)sbp, sbp_recv); 2171 fw_bindadd(sbp->fd.fc, &sbp->fwb); 2172 2173 sbp->fd.post_busreset = sbp_post_busreset; 2174 sbp->fd.post_explore = sbp_post_explore; 2175 2176 if (sbp->fd.fc->status != -1) { 2177 s = splfw(); 2178 sbp_post_busreset((void *)sbp); 2179 sbp_post_explore((void *)sbp); 2180 splx(s); 2181 } 2182 2183 FW_ATTACH_RETURN(0); 2184 #if defined(__FreeBSD__) 2185 fail: 2186 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2187 return (ENXIO); 2188 #endif 2189 } 2190 2191 static int 2192 sbp_logout_all(struct sbp_softc *sbp) 2193 { 2194 struct sbp_target *target; 2195 struct sbp_dev *sdev; 2196 int i; 2197 2198 SBP_DEBUG(0) 2199 printf("sbp_logout_all\n"); 2200 END_DEBUG 2201 target = &sbp->target; 2202 if (target->luns != NULL) 2203 for (i = 0; i < target->num_lun; i++) { 2204 sdev = target->luns[i]; 2205 if (sdev == NULL) 2206 continue; 2207 callout_stop(&sdev->login_callout); 2208 if (sdev->status >= SBP_DEV_TOATTACH && 2209 sdev->status <= SBP_DEV_ATTACHED) 2210 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2211 } 2212 2213 return 0; 2214 } 2215 2216 #if defined(__FreeBSD__) 2217 static int 2218 sbp_shutdown(device_t dev) 2219 { 2220 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2221 2222 sbp_logout_all(sbp); 2223 return (0); 2224 } 2225 #endif 2226 2227 static void 2228 sbp_free_sdev(struct sbp_dev *sdev) 2229 { 2230 int i; 2231 2232 if (sdev == NULL) 2233 return; 2234 for (i = 0; i < SBP_QUEUE_LEN; i++) 2235 fw_bus_dmamap_destroy(sdev->target->sbp->dmat, 2236 sdev->ocb[i].dmamap); 2237 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2238 free(sdev, M_SBP); 2239 } 2240 2241 static void 2242 sbp_free_target(struct sbp_target *target) 2243 { 2244 struct sbp_softc *sbp; 2245 struct fw_xfer *xfer, *next; 2246 int i; 2247 2248 if (target->luns == NULL) 2249 return; 2250 callout_stop(&target->mgm_ocb_timeout); 2251 sbp = target->sbp; 2252 for (i = 0; i < target->num_lun; i++) 2253 sbp_free_sdev(target->luns[i]); 2254 2255 for (xfer = STAILQ_FIRST(&target->xferlist); 2256 xfer != NULL; xfer = next) { 2257 next = STAILQ_NEXT(xfer, link); 2258 fw_xfer_free_buf(xfer); 2259 } 2260 STAILQ_INIT(&target->xferlist); 2261 free(target->luns, M_SBP); 2262 target->num_lun = 0;; 2263 target->luns = NULL; 2264 target->fwdev = NULL; 2265 } 2266 2267 FW_DETACH(sbp) 2268 { 2269 FW_DETACH_START(sbp, sbp); 2270 struct firewire_comm *fc = sbp->fd.fc; 2271 int i; 2272 2273 SBP_DEBUG(0) 2274 printf("sbp_detach\n"); 2275 END_DEBUG 2276 2277 SBP_DETACH_TARGET(&sbp->target); 2278 #if defined(__FreeBSD__) 2279 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2280 xpt_free_path(sbp->path); 2281 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2282 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2283 #endif 2284 2285 sbp_logout_all(sbp); 2286 2287 /* XXX wait for logout completion */ 2288 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2289 2290 sbp_free_target(&sbp->target); 2291 2292 fw_bindremove(fc, &sbp->fwb); 2293 fw_xferlist_remove(&sbp->fwb.xferlist); 2294 2295 fw_bus_dma_tag_destroy(sbp->dmat); 2296 2297 return (0); 2298 } 2299 2300 #if defined(__FreeBSD__) 2301 static void 2302 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2303 { 2304 if (sdev == NULL) 2305 return; 2306 if (sdev->status == SBP_DEV_DEAD) 2307 return; 2308 if (sdev->status == SBP_DEV_RESET) 2309 return; 2310 if (sdev->path) { 2311 xpt_release_devq(sdev->path, 2312 sdev->freeze, TRUE); 2313 sdev->freeze = 0; 2314 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2315 xpt_free_path(sdev->path); 2316 sdev->path = NULL; 2317 } 2318 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2319 } 2320 2321 static void 2322 sbp_cam_detach_target(struct sbp_target *target) 2323 { 2324 int i; 2325 2326 if (target->luns != NULL) { 2327 SBP_DEBUG(0) 2328 printf("sbp_detach_target %d\n", target->target_id); 2329 END_DEBUG 2330 callout_stop(&target->scan_callout); 2331 for (i = 0; i < target->num_lun; i++) 2332 sbp_cam_detach_sdev(target->luns[i]); 2333 } 2334 } 2335 #elif defined(__NetBSD__) 2336 static void 2337 sbp_scsipi_detach_sdev(struct sbp_dev *sdev) 2338 { 2339 struct sbp_target *target = sdev->target; 2340 struct sbp_softc *sbp = target->sbp; 2341 if (sdev == NULL) 2342 return; 2343 if (sdev->status == SBP_DEV_DEAD) 2344 return; 2345 if (sdev->status == SBP_DEV_RESET) 2346 return; 2347 if (sdev->periph) { 2348 scsipi_periph_thaw(sdev->periph, sdev->freeze); 2349 scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */ 2350 sdev->freeze = 0; 2351 if (scsipi_target_detach(&sbp->sc_channel, 2352 target->target_id, sdev->lun_id, DETACH_FORCE) != 0) { 2353 sbp_show_sdev_info(sdev, 2); 2354 printf("detach failed\n"); 2355 } 2356 sdev->periph = NULL; 2357 } 2358 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2359 } 2360 2361 static void 2362 sbp_scsipi_detach_target(struct sbp_target *target) 2363 { 2364 struct sbp_softc *sbp = target->sbp; 2365 int i; 2366 2367 if (target->luns != NULL) { 2368 SBP_DEBUG(0) 2369 printf("sbp_detach_target %d\n", target->target_id); 2370 END_DEBUG 2371 callout_stop(&target->scan_callout); 2372 for (i = 0; i < target->num_lun; i++) 2373 sbp_scsipi_detach_sdev(target->luns[i]); 2374 if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0) 2375 device_printf(sbp->fd.dev, "%d detach failed\n", 2376 target->target_id); 2377 sbp->sc_bus = NULL; 2378 } 2379 } 2380 #endif 2381 2382 static void 2383 sbp_target_reset(struct sbp_dev *sdev, int method) 2384 { 2385 int i; 2386 struct sbp_target *target = sdev->target; 2387 struct sbp_dev *tsdev; 2388 2389 for (i = 0; i < target->num_lun; i++) { 2390 tsdev = target->luns[i]; 2391 if (tsdev == NULL) 2392 continue; 2393 if (tsdev->status == SBP_DEV_DEAD) 2394 continue; 2395 if (tsdev->status == SBP_DEV_RESET) 2396 continue; 2397 SBP_DEVICE_FREEZE(tsdev, 1); 2398 tsdev->freeze ++; 2399 sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT); 2400 if (method == 2) 2401 tsdev->status = SBP_DEV_LOGIN; 2402 } 2403 switch(method) { 2404 case 1: 2405 printf("target reset\n"); 2406 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2407 break; 2408 case 2: 2409 printf("reset start\n"); 2410 sbp_reset_start(sdev); 2411 break; 2412 } 2413 2414 } 2415 2416 static void 2417 sbp_mgm_timeout(void *arg) 2418 { 2419 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2420 struct sbp_dev *sdev = ocb->sdev; 2421 struct sbp_target *target = sdev->target; 2422 2423 sbp_show_sdev_info(sdev, 2); 2424 printf("request timeout(mgm orb:0x%08x) ... ", 2425 (uint32_t)ocb->bus_addr); 2426 target->mgm_ocb_cur = NULL; 2427 sbp_free_ocb(sdev, ocb); 2428 #if 0 2429 /* XXX */ 2430 printf("run next request\n"); 2431 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2432 #endif 2433 #if 1 2434 printf("reset start\n"); 2435 sbp_reset_start(sdev); 2436 #endif 2437 } 2438 2439 static void 2440 sbp_timeout(void *arg) 2441 { 2442 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2443 struct sbp_dev *sdev = ocb->sdev; 2444 2445 sbp_show_sdev_info(sdev, 2); 2446 printf("request timeout(cmd orb:0x%08x) ... ", 2447 (uint32_t)ocb->bus_addr); 2448 2449 sdev->timeout ++; 2450 switch(sdev->timeout) { 2451 case 1: 2452 printf("agent reset\n"); 2453 SBP_DEVICE_FREEZE(sdev, 1); 2454 sdev->freeze ++; 2455 sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT); 2456 sbp_agent_reset(sdev); 2457 break; 2458 case 2: 2459 case 3: 2460 sbp_target_reset(sdev, sdev->timeout - 1); 2461 break; 2462 #if 0 2463 default: 2464 /* XXX give up */ 2465 SBP_DETACH_TARGET(target); 2466 if (target->luns != NULL) 2467 free(target->luns, M_SBP); 2468 target->num_lun = 0;; 2469 target->luns = NULL; 2470 target->fwdev = NULL; 2471 #endif 2472 } 2473 } 2474 2475 static void 2476 sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer) 2477 { 2478 2479 struct sbp_target *target = NULL; 2480 struct sbp_dev *sdev = NULL; 2481 2482 /* target:lun -> sdev mapping */ 2483 if (sbp != NULL) { 2484 target = &sbp->target; 2485 if (target->fwdev != NULL 2486 && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer)) 2487 && SCSI_XFER_LUN(sxfer) < target->num_lun) { 2488 sdev = target->luns[SCSI_XFER_LUN(sxfer)]; 2489 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2490 sdev->status != SBP_DEV_PROBE) 2491 sdev = NULL; 2492 } 2493 } 2494 2495 SBP_DEBUG(1) 2496 if (sdev == NULL) 2497 printf("invalid target %d lun %d\n", 2498 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer)); 2499 END_DEBUG 2500 2501 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2502 case XPT_SCSI_IO: 2503 #if defined(__FreeBSD__) 2504 case XPT_RESET_DEV: 2505 case XPT_GET_TRAN_SETTINGS: 2506 case XPT_SET_TRAN_SETTINGS: 2507 case XPT_CALC_GEOMETRY: 2508 #endif 2509 if (sdev == NULL) { 2510 SBP_DEBUG(1) 2511 printf("%s:%d:%d:func_code 0x%04x: " 2512 "Invalid target (target needed)\n", 2513 device_get_nameunit(sbp->fd.dev), 2514 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2515 SCSI_XFER_FUNCCODE(sxfer)); 2516 END_DEBUG 2517 2518 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2519 SCSI_TRANSFER_DONE(sxfer); 2520 return; 2521 } 2522 break; 2523 #if defined(__FreeBSD__) 2524 case XPT_PATH_INQ: 2525 case XPT_NOOP: 2526 /* The opcodes sometimes aimed at a target (sc is valid), 2527 * sometimes aimed at the SIM (sc is invalid and target is 2528 * CAM_TARGET_WILDCARD) 2529 */ 2530 if (sbp == NULL && 2531 sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2532 SBP_DEBUG(0) 2533 printf("%s:%d:%d func_code 0x%04x: " 2534 "Invalid target (no wildcard)\n", 2535 device_get_nameunit(sbp->fd.dev), 2536 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2537 sxfer->ccb_h.func_code); 2538 END_DEBUG 2539 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2540 SCSI_TRANSFER_DONE(sxfer); 2541 return; 2542 } 2543 break; 2544 #endif 2545 default: 2546 /* XXX Hm, we should check the input parameters */ 2547 break; 2548 } 2549 2550 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2551 case XPT_SCSI_IO: 2552 { 2553 struct sbp_ocb *ocb; 2554 int speed; 2555 void *cdb; 2556 2557 SBP_DEBUG(2) 2558 printf("%s:%d:%d XPT_SCSI_IO: " 2559 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2560 ", flags: 0x%02x, " 2561 "%db cmd/%db data/%db sense\n", 2562 device_get_nameunit(sbp->fd.dev), 2563 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2564 SCSI_XFER_10BCMD_DUMP(sxfer), 2565 SCSI_XFER_DIR(sxfer), 2566 SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer), 2567 SCSI_XFER_SENSELEN(sxfer)); 2568 END_DEBUG 2569 if(sdev == NULL){ 2570 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2571 SCSI_TRANSFER_DONE(sxfer); 2572 return; 2573 } 2574 #if 0 2575 /* if we are in probe stage, pass only probe commands */ 2576 if (sdev->status == SBP_DEV_PROBE) { 2577 char *name; 2578 name = xpt_path_periph(sxfer->ccb_h.path)->periph_name; 2579 printf("probe stage, periph name: %s\n", name); 2580 if (strcmp(name, "probe") != 0) { 2581 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2582 SCSI_TRANSFER_DONE(sxfer); 2583 return; 2584 } 2585 } 2586 #endif 2587 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2588 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2589 if (sdev->freeze == 0) { 2590 SBP_DEVICE_FREEZE(sdev, 1); 2591 sdev->freeze ++; 2592 } 2593 SCSI_TRANSFER_DONE(sxfer); 2594 return; 2595 } 2596 2597 ocb->flags = OCB_ACT_CMD; 2598 ocb->sdev = sdev; 2599 ocb->sxfer = sxfer; 2600 #if defined(__FreeBSD__) 2601 sxfer->ccb_h.ccb_sdev_ptr = sdev; 2602 #endif 2603 ocb->orb[0] = htonl(1 << 31); 2604 ocb->orb[1] = 0; 2605 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2606 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2607 speed = min(target->fwdev->speed, max_speed); 2608 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2609 | ORB_CMD_MAXP(speed + 7)); 2610 if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){ 2611 ocb->orb[4] |= htonl(ORB_CMD_IN); 2612 } 2613 2614 if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID) 2615 printf("sbp: CAM_SCATTER_VALID\n"); 2616 if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS) 2617 printf("sbp: CAM_DATA_PHYS\n"); 2618 2619 cdb = SCSI_XFER_CMD(sxfer); 2620 bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer)); 2621 /* 2622 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2623 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2624 */ 2625 if (SCSI_XFER_DATALEN(sxfer) > 0) { 2626 int s, error; 2627 2628 s = splsoftvm(); 2629 error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat, 2630 /*dma map*/ocb->dmamap, 2631 SCSI_XFER_DATA(sxfer), 2632 SCSI_XFER_DATALEN(sxfer), 2633 sbp_execute_ocb, 2634 ocb, 2635 /*flags*/0); 2636 splx(s); 2637 if (error) 2638 printf("sbp: bus_dmamap_load error %d\n", error); 2639 } else 2640 sbp_execute_ocb(ocb, NULL, 0, 0); 2641 break; 2642 } 2643 #if defined(__FreeBSD__) 2644 case XPT_CALC_GEOMETRY: 2645 { 2646 struct ccb_calc_geometry *ccg; 2647 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2648 uint32_t size_mb; 2649 uint32_t secs_per_cylinder; 2650 int extended = 1; 2651 #endif 2652 2653 ccg = &sxfer->ccg; 2654 if (ccg->block_size == 0) { 2655 printf("sbp_action1: block_size is 0.\n"); 2656 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2657 SCSI_TRANSFER_DONE(sxfer); 2658 break; 2659 } 2660 SBP_DEBUG(1) 2661 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2662 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2663 "Volume size = %d\n", 2664 #else 2665 "Volume size = %jd\n", 2666 #endif 2667 device_get_nameunit(sbp->fd.dev), 2668 cam_sim_path(sbp->sim), 2669 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2670 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2671 (uintmax_t) 2672 #endif 2673 ccg->volume_size); 2674 END_DEBUG 2675 2676 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2677 size_mb = ccg->volume_size 2678 / ((1024L * 1024L) / ccg->block_size); 2679 2680 if (size_mb > 1024 && extended) { 2681 ccg->heads = 255; 2682 ccg->secs_per_track = 63; 2683 } else { 2684 ccg->heads = 64; 2685 ccg->secs_per_track = 32; 2686 } 2687 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2688 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2689 SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP; 2690 #else 2691 cam_calc_geometry(ccg, /*extended*/1); 2692 #endif 2693 SCSI_TRANSFER_DONE(sxfer); 2694 break; 2695 } 2696 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2697 { 2698 2699 SBP_DEBUG(1) 2700 printf("%s:%d:XPT_RESET_BUS: \n", 2701 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2702 END_DEBUG 2703 2704 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2705 SCSI_TRANSFER_DONE(sxfer); 2706 break; 2707 } 2708 case XPT_PATH_INQ: /* Path routing inquiry */ 2709 { 2710 struct ccb_pathinq *cpi = &sxfer->cpi; 2711 struct cam_sim *sim = sbp->sim; 2712 2713 SBP_DEBUG(1) 2714 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2715 device_get_nameunit(sbp->fd.dev), 2716 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2717 END_DEBUG 2718 cpi->version_num = 1; /* XXX??? */ 2719 cpi->hba_inquiry = PI_TAG_ABLE; 2720 cpi->target_sprt = 0; 2721 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2722 cpi->hba_eng_cnt = 0; 2723 cpi->max_target = SBP_NUM_TARGETS - 1; 2724 cpi->max_lun = SBP_NUM_LUNS - 1; 2725 cpi->initiator_id = SBP_INITIATOR; 2726 cpi->bus_id = sim->bus_id; 2727 cpi->base_transfer_speed = 400 * 1000 / 8; 2728 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2729 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2730 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2731 cpi->unit_number = sim->unit_number; 2732 2733 SCSI_XFER_ERROR(cpi) = XS_REQ_CMP; 2734 SCSI_TRANSFER_DONE(sxfer); 2735 break; 2736 } 2737 case XPT_GET_TRAN_SETTINGS: 2738 { 2739 struct ccb_trans_settings *cts = &sxfer->cts; 2740 SBP_DEBUG(1) 2741 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2742 device_get_nameunit(sbp->fd.dev), 2743 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2744 END_DEBUG 2745 /* Enable disconnect and tagged queuing */ 2746 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2747 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2748 2749 SCSI_XFER_ERROR(cts) = XS_REQ_CMP; 2750 SCSI_TRANSFER_DONE(sxfer); 2751 break; 2752 } 2753 case XPT_ABORT: 2754 SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT; 2755 SCSI_TRANSFER_DONE(sxfer); 2756 break; 2757 case XPT_SET_TRAN_SETTINGS: 2758 /* XXX */ 2759 default: 2760 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2761 SCSI_TRANSFER_DONE(sxfer); 2762 break; 2763 #endif 2764 } 2765 return; 2766 } 2767 2768 #if defined(__FreeBSD__) 2769 static void 2770 sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer) 2771 { 2772 int s; 2773 2774 s = splfw(); 2775 sbp_action1(sim->softc, sxfer); 2776 splx(s); 2777 } 2778 #endif 2779 2780 static void 2781 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2782 { 2783 int i; 2784 struct sbp_ocb *ocb; 2785 struct sbp_ocb *prev; 2786 bus_dma_segment_t *s; 2787 2788 if (error) 2789 printf("sbp_execute_ocb: error=%d\n", error); 2790 2791 ocb = (struct sbp_ocb *)arg; 2792 2793 SBP_DEBUG(2) 2794 printf("sbp_execute_ocb: seg %d", seg); 2795 for (i = 0; i < seg; i++) 2796 #if defined(__DragonFly__) || \ 2797 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2798 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2799 #else 2800 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2801 (uintmax_t)segments[i].ds_len); 2802 #endif 2803 printf("\n"); 2804 END_DEBUG 2805 2806 if (seg == 1) { 2807 /* direct pointer */ 2808 s = &segments[0]; 2809 if (s->ds_len > SBP_SEG_MAX) 2810 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2811 ocb->orb[3] = htonl(s->ds_addr); 2812 ocb->orb[4] |= htonl(s->ds_len); 2813 } else if(seg > 1) { 2814 /* page table */ 2815 for (i = 0; i < seg; i++) { 2816 s = &segments[i]; 2817 SBP_DEBUG(0) 2818 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2819 if (s->ds_len < 16) 2820 printf("sbp_execute_ocb: warning, " 2821 #if defined(__DragonFly__) || \ 2822 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2823 "segment length(%d) is less than 16." 2824 #else 2825 "segment length(%jd) is less than 16." 2826 #endif 2827 "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg); 2828 END_DEBUG 2829 if (s->ds_len > SBP_SEG_MAX) 2830 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2831 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2832 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2833 } 2834 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2835 } 2836 2837 if (seg > 0) 2838 fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2839 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2840 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2841 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2842 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2843 if (use_doorbell) { 2844 if (prev == NULL) { 2845 if (ocb->sdev->last_ocb != NULL) 2846 sbp_doorbell(ocb->sdev); 2847 else 2848 sbp_orb_pointer(ocb->sdev, ocb); 2849 } 2850 } else { 2851 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2852 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2853 sbp_orb_pointer(ocb->sdev, ocb); 2854 } 2855 } 2856 } 2857 2858 #if defined(__FreeBSD__) 2859 static void 2860 sbp_poll(struct cam_sim *sim) 2861 { 2862 struct sbp_softc *sbp; 2863 struct firewire_comm *fc; 2864 2865 sbp = (struct sbp_softc *)sim->softc; 2866 fc = sbp->fd.fc; 2867 2868 fc->poll(fc, 0, -1); 2869 2870 return; 2871 } 2872 2873 #endif 2874 static struct sbp_ocb * 2875 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2876 { 2877 struct sbp_ocb *ocb; 2878 struct sbp_ocb *next; 2879 int s = splfw(), order = 0; 2880 int flags; 2881 2882 SBP_DEBUG(1) 2883 sbp_show_sdev_info(sdev, 2); 2884 #if defined(__DragonFly__) || \ 2885 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2886 printf("%s: 0x%08lx src %d\n", 2887 #else 2888 printf("%s: 0x%08x src %d\n", 2889 #endif 2890 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2891 END_DEBUG 2892 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2893 next = STAILQ_NEXT(ocb, ocb); 2894 flags = ocb->flags; 2895 if (OCB_MATCH(ocb, sbp_status)) { 2896 /* found */ 2897 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2898 if (ocb->sxfer != NULL) 2899 #if defined(__DragonFly__) || defined(__NetBSD__) 2900 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 2901 #else 2902 untimeout(sbp_timeout, (caddr_t)ocb, 2903 SCSI_XFER_CALLOUT(ocb->sxfer)); 2904 #endif 2905 if (ntohl(ocb->orb[4]) & 0xffff) { 2906 fw_bus_dmamap_sync(sdev->target->sbp->dmat, 2907 ocb->dmamap, 2908 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2909 BUS_DMASYNC_POSTREAD : 2910 BUS_DMASYNC_POSTWRITE); 2911 fw_bus_dmamap_unload(sdev->target->sbp->dmat, 2912 ocb->dmamap); 2913 } 2914 if (!use_doorbell) { 2915 if (sbp_status->src == SRC_NO_NEXT) { 2916 if (next != NULL) 2917 sbp_orb_pointer(sdev, next); 2918 else if (order > 0) { 2919 /* 2920 * Unordered execution 2921 * We need to send pointer for 2922 * next ORB 2923 */ 2924 sdev->flags |= ORB_LINK_DEAD; 2925 } 2926 } 2927 } else { 2928 /* 2929 * XXX this is not correct for unordered 2930 * execution. 2931 */ 2932 if (sdev->last_ocb != NULL) 2933 sbp_free_ocb(sdev, sdev->last_ocb); 2934 sdev->last_ocb = ocb; 2935 if (next != NULL && 2936 sbp_status->src == SRC_NO_NEXT) 2937 sbp_doorbell(sdev); 2938 } 2939 break; 2940 } else 2941 order ++; 2942 } 2943 splx(s); 2944 SBP_DEBUG(0) 2945 if (ocb && order > 0) { 2946 sbp_show_sdev_info(sdev, 2); 2947 printf("unordered execution order:%d\n", order); 2948 } 2949 END_DEBUG 2950 return (ocb); 2951 } 2952 2953 static struct sbp_ocb * 2954 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2955 { 2956 int s = splfw(); 2957 struct sbp_ocb *prev, *prev2; 2958 2959 SBP_DEBUG(1) 2960 sbp_show_sdev_info(sdev, 2); 2961 #if defined(__DragonFly__) || \ 2962 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2963 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2964 #else 2965 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2966 #endif 2967 END_DEBUG 2968 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2969 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2970 2971 if (ocb->sxfer != NULL) 2972 #if defined(__DragonFly__) || defined(__NetBSD__) 2973 callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer), 2974 mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb); 2975 #else 2976 SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout, 2977 (caddr_t)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer))); 2978 #endif 2979 2980 if (use_doorbell && prev == NULL) 2981 prev2 = sdev->last_ocb; 2982 2983 if (prev2 != NULL) { 2984 SBP_DEBUG(2) 2985 #if defined(__DragonFly__) || \ 2986 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2987 printf("linking chain 0x%x -> 0x%x\n", 2988 prev2->bus_addr, ocb->bus_addr); 2989 #else 2990 printf("linking chain 0x%jx -> 0x%jx\n", 2991 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2992 #endif 2993 END_DEBUG 2994 prev2->orb[1] = htonl(ocb->bus_addr); 2995 prev2->orb[0] = 0; 2996 } 2997 splx(s); 2998 2999 return prev; 3000 } 3001 3002 static struct sbp_ocb * 3003 sbp_get_ocb(struct sbp_dev *sdev) 3004 { 3005 struct sbp_ocb *ocb; 3006 int s = splfw(); 3007 ocb = STAILQ_FIRST(&sdev->free_ocbs); 3008 if (ocb == NULL) { 3009 sdev->flags |= ORB_SHORTAGE; 3010 printf("ocb shortage!!!\n"); 3011 splx(s); 3012 return NULL; 3013 } 3014 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 3015 splx(s); 3016 ocb->sxfer = NULL; 3017 return (ocb); 3018 } 3019 3020 static void 3021 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 3022 { 3023 ocb->flags = 0; 3024 ocb->sxfer = NULL; 3025 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 3026 if ((sdev->flags & ORB_SHORTAGE) != 0) { 3027 int count; 3028 3029 sdev->flags &= ~ORB_SHORTAGE; 3030 count = sdev->freeze; 3031 sdev->freeze = 0; 3032 SBP_DEVICE_THAW(sdev, count); 3033 } 3034 } 3035 3036 static void 3037 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 3038 { 3039 struct sbp_dev *sdev; 3040 3041 sdev = ocb->sdev; 3042 SBP_DEBUG(0) 3043 sbp_show_sdev_info(sdev, 2); 3044 #if defined(__DragonFly__) || \ 3045 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3046 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 3047 #else 3048 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 3049 #endif 3050 END_DEBUG 3051 SBP_DEBUG(1) 3052 if (ocb->sxfer != NULL) 3053 sbp_print_scsi_cmd(ocb); 3054 END_DEBUG 3055 if (ntohl(ocb->orb[4]) & 0xffff) { 3056 fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 3057 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 3058 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 3059 fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 3060 } 3061 if (ocb->sxfer != NULL) { 3062 #if defined(__DragonFly__ ) || defined(__NetBSD__) 3063 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 3064 #else 3065 untimeout(sbp_timeout, (caddr_t)ocb, 3066 SCSI_XFER_CALLOUT(ocb->sxfer)); 3067 #endif 3068 SCSI_XFER_ERROR(ocb->sxfer) = status; 3069 SCSI_TRANSFER_DONE(ocb->sxfer); 3070 } 3071 sbp_free_ocb(sdev, ocb); 3072 } 3073 3074 static void 3075 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 3076 { 3077 int s; 3078 struct sbp_ocb *ocb, *next; 3079 STAILQ_HEAD(, sbp_ocb) temp; 3080 3081 s = splfw(); 3082 3083 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 3084 STAILQ_INIT(&sdev->ocbs); 3085 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 3086 next = STAILQ_NEXT(ocb, ocb); 3087 sbp_abort_ocb(ocb, status); 3088 } 3089 if (sdev->last_ocb != NULL) { 3090 sbp_free_ocb(sdev, sdev->last_ocb); 3091 sdev->last_ocb = NULL; 3092 } 3093 3094 splx(s); 3095 } 3096 3097 #if defined(__FreeBSD__) 3098 static devclass_t sbp_devclass; 3099 3100 static device_method_t sbp_methods[] = { 3101 /* device interface */ 3102 DEVMETHOD(device_probe, sbp_probe), 3103 DEVMETHOD(device_attach, sbp_attach), 3104 DEVMETHOD(device_detach, sbp_detach), 3105 DEVMETHOD(device_shutdown, sbp_shutdown), 3106 3107 { 0, 0 } 3108 }; 3109 3110 static driver_t sbp_driver = { 3111 "sbp", 3112 sbp_methods, 3113 sizeof(struct sbp_softc), 3114 }; 3115 #ifdef __DragonFly__ 3116 DECLARE_DUMMY_MODULE(sbp); 3117 #endif 3118 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 3119 MODULE_VERSION(sbp, 1); 3120 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 3121 MODULE_DEPEND(sbp, cam, 1, 1, 1); 3122 #elif defined(__NetBSD__) 3123 static void 3124 sbp_scsipi_request( 3125 struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg) 3126 { 3127 int i, s; 3128 struct sbp_softc *sbp = 3129 (struct sbp_softc *)channel->chan_adapter->adapt_dev; 3130 struct scsipi_xfer *xs = arg; 3131 3132 if (debug > 1) 3133 printf("Called sbpscsi_scsipi_request\n"); 3134 3135 switch (req) { 3136 case ADAPTER_REQ_RUN_XFER: 3137 if (debug > 1) { 3138 printf("Got req_run_xfer\n"); 3139 printf("xs control: 0x%08x, timeout: %d\n", 3140 xs->xs_control, xs->timeout); 3141 printf("opcode: 0x%02x\n", (int)xs->cmd->opcode); 3142 for (i = 0; i < 15; i++) 3143 printf("0x%02x ",(int)xs->cmd->bytes[i]); 3144 printf("\n"); 3145 } 3146 if (xs->xs_control & XS_CTL_RESET) { 3147 if (debug > 1) 3148 printf("XS_CTL_RESET not support\n"); 3149 break; 3150 } 3151 #define SBPSCSI_SBP2_MAX_CDB 12 3152 if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) { 3153 if (debug > 0) 3154 printf( 3155 "sbp doesn't support cdb's larger than %d " 3156 "bytes\n", SBPSCSI_SBP2_MAX_CDB); 3157 SCSI_XFER_ERROR(xs) = XS_REQ_INVALID; 3158 SCSI_TRANSFER_DONE(xs); 3159 return; 3160 } 3161 s = splfw(); 3162 sbp_action1(sbp, xs); 3163 splx(s); 3164 3165 break; 3166 case ADAPTER_REQ_GROW_RESOURCES: 3167 if (debug > 1) 3168 printf("Got req_grow_resources\n"); 3169 break; 3170 case ADAPTER_REQ_SET_XFER_MODE: 3171 if (debug > 1) 3172 printf("Got set xfer mode\n"); 3173 break; 3174 default: 3175 panic("Unknown request: %d\n", (int)req); 3176 } 3177 } 3178 3179 static void 3180 sbp_minphys(struct buf *bp) 3181 { 3182 minphys(bp); 3183 } 3184 3185 CFATTACH_DECL(sbp, sizeof (struct sbp_softc), 3186 sbpmatch, sbpattach, sbpdetach, NULL); 3187 #endif 3188