sbp.c revision 1.17
1 /* $NetBSD: sbp.c,v 1.17 2007/07/09 21:00:41 ad 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 1.89 2007/03/16 05:39:33 simokawa 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_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */) 128 #define SBP_DMA_SIZE PAGE_SIZE 129 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 130 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 131 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 132 133 /* 134 * STATUS FIFO addressing 135 * bit 136 * ----------------------- 137 * 0- 1( 2): 0 (alignment) 138 * 2- 9( 8): lun 139 * 10-31(14): unit 140 * 32-47(16): SBP_BIND_HI 141 * 48-64(16): bus_id, node_id 142 */ 143 #define SBP_BIND_HI 0x1 144 #define SBP_DEV2ADDR(u, l) \ 145 (((u_int64_t)SBP_BIND_HI << 32) \ 146 | (((u) & 0x3fff) << 10) \ 147 | (((l) & 0xff) << 2)) 148 #define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff) 149 #define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff) 150 #define SBP_INITIATOR 7 151 152 static const char *orb_fun_name[] = { 153 ORB_FUN_NAMES 154 }; 155 156 static int debug = 0; 157 static int auto_login = 1; 158 static int max_speed = -1; 159 static int sbp_cold = 1; 160 static int ex_login = 1; 161 static int login_delay = 1000; /* msec */ 162 static int scan_delay = 500; /* msec */ 163 static int use_doorbell = 0; 164 static int sbp_tags = 0; 165 166 #if defined(__FreeBSD__) 167 SYSCTL_DECL(_hw_firewire); 168 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 169 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 170 "SBP debug flag"); 171 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 172 "SBP perform login automatically"); 173 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 174 "SBP transfer max speed"); 175 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 176 &ex_login, 0, "SBP enable exclusive login"); 177 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 178 &login_delay, 0, "SBP login delay in msec"); 179 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 180 &scan_delay, 0, "SBP scan delay in msec"); 181 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 182 &use_doorbell, 0, "SBP use doorbell request"); 183 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 184 "SBP tagged queuing support"); 185 186 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 187 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 188 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 189 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 190 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 191 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 192 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 193 #elif defined(__NetBSD__) 194 static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper); 195 static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO); 196 static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO); 197 198 /* 199 * Setup sysctl(3) MIB, hw.sbp.* 200 * 201 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 202 */ 203 SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup") 204 { 205 int rc, sbp_node_num; 206 const struct sysctlnode *node; 207 208 if ((rc = sysctl_createv(clog, 0, NULL, NULL, 209 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 210 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) { 211 goto err; 212 } 213 214 if ((rc = sysctl_createv(clog, 0, NULL, &node, 215 CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp", 216 SYSCTL_DESCR("sbp controls"), NULL, 0, NULL, 217 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) { 218 goto err; 219 } 220 sbp_node_num = node->sysctl_num; 221 222 /* sbp auto login flag */ 223 if ((rc = sysctl_createv(clog, 0, NULL, &node, 224 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 225 "auto_login", SYSCTL_DESCR("SBP perform login automatically"), 226 NULL, 0, &auto_login, 227 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 228 goto err; 229 } 230 231 /* sbp max speed */ 232 if ((rc = sysctl_createv(clog, 0, NULL, &node, 233 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 234 "max_speed", SYSCTL_DESCR("SBP transfer max speed"), 235 sysctl_sbp_verify_max_speed, 0, &max_speed, 236 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 237 goto err; 238 } 239 240 /* sbp exclusive login flag */ 241 if ((rc = sysctl_createv(clog, 0, NULL, &node, 242 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 243 "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"), 244 NULL, 0, &ex_login, 245 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 246 goto err; 247 } 248 249 /* sbp login delay */ 250 if ((rc = sysctl_createv(clog, 0, NULL, &node, 251 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 252 "login_delay", SYSCTL_DESCR("SBP login delay in msec"), 253 NULL, 0, &login_delay, 254 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 255 goto err; 256 } 257 258 /* sbp scan delay */ 259 if ((rc = sysctl_createv(clog, 0, NULL, &node, 260 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 261 "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"), 262 NULL, 0, &scan_delay, 263 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 264 goto err; 265 } 266 267 /* sbp use doorbell flag */ 268 if ((rc = sysctl_createv(clog, 0, NULL, &node, 269 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 270 "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"), 271 NULL, 0, &use_doorbell, 272 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 273 goto err; 274 } 275 276 /* sbp force tagged queuing */ 277 if ((rc = sysctl_createv(clog, 0, NULL, &node, 278 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 279 "tags", SYSCTL_DESCR("SBP tagged queuing support"), 280 sysctl_sbp_verify_tags, 0, &sbp_tags, 281 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 282 goto err; 283 } 284 285 /* sbp driver debug flag */ 286 if ((rc = sysctl_createv(clog, 0, NULL, &node, 287 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 288 "sbp_debug", SYSCTL_DESCR("SBP debug flag"), 289 NULL, 0, &debug, 290 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 291 goto err; 292 } 293 294 return; 295 296 err: 297 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 298 } 299 300 static int 301 sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper) 302 { 303 int error, t; 304 struct sysctlnode node; 305 306 node = *rnode; 307 t = *(int*)rnode->sysctl_data; 308 node.sysctl_data = &t; 309 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 310 if (error || newp == NULL) 311 return (error); 312 313 if (t < lower || t > upper) 314 return (EINVAL); 315 316 *(int*)rnode->sysctl_data = t; 317 318 return (0); 319 } 320 321 static int 322 sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS) 323 { 324 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400)); 325 } 326 327 static int 328 sysctl_sbp_verify_tags(SYSCTLFN_ARGS) 329 { 330 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1)); 331 } 332 #endif 333 334 #define NEED_RESPONSE 0 335 336 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 337 #ifdef __sparc64__ /* iommu */ 338 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX) 339 #else 340 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE) 341 #endif 342 struct sbp_ocb { 343 STAILQ_ENTRY(sbp_ocb) ocb; 344 sbp_scsi_xfer *sxfer; 345 bus_addr_t bus_addr; 346 uint32_t orb[8]; 347 #define IND_PTR_OFFSET (8*sizeof(uint32_t)) 348 struct ind_ptr ind_ptr[SBP_IND_MAX]; 349 struct sbp_dev *sdev; 350 int flags; /* XXX should be removed */ 351 bus_dmamap_t dmamap; 352 }; 353 354 #define OCB_ACT_MGM 0 355 #define OCB_ACT_CMD 1 356 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 357 358 struct sbp_dev{ 359 #define SBP_DEV_RESET 0 /* accept login */ 360 #define SBP_DEV_LOGIN 1 /* to login */ 361 #if 0 362 #define SBP_DEV_RECONN 2 /* to reconnect */ 363 #endif 364 #define SBP_DEV_TOATTACH 3 /* to attach */ 365 #define SBP_DEV_PROBE 4 /* scan lun */ 366 #define SBP_DEV_ATTACHED 5 /* in operation */ 367 #define SBP_DEV_DEAD 6 /* unavailable unit */ 368 #define SBP_DEV_RETRY 7 /* unavailable unit */ 369 uint8_t status:4, 370 timeout:4; 371 uint8_t type; 372 uint16_t lun_id; 373 uint16_t freeze; 374 #define ORB_LINK_DEAD (1 << 0) 375 #define VALID_LUN (1 << 1) 376 #define ORB_POINTER_ACTIVE (1 << 2) 377 #define ORB_POINTER_NEED (1 << 3) 378 #define ORB_DOORBELL_ACTIVE (1 << 4) 379 #define ORB_DOORBELL_NEED (1 << 5) 380 #define ORB_SHORTAGE (1 << 6) 381 uint16_t flags; 382 #if defined(__FreeBSD__) 383 struct cam_path *path; 384 #elif defined(__NetBSD__) 385 struct scsipi_periph *periph; 386 #endif 387 struct sbp_target *target; 388 struct fwdma_alloc dma; 389 struct sbp_login_res *login; 390 struct callout login_callout; 391 struct sbp_ocb *ocb; 392 STAILQ_HEAD(, sbp_ocb) ocbs; 393 STAILQ_HEAD(, sbp_ocb) free_ocbs; 394 struct sbp_ocb *last_ocb; 395 char vendor[32]; 396 char product[32]; 397 char revision[10]; 398 }; 399 400 struct sbp_target { 401 int target_id; 402 int num_lun; 403 struct sbp_dev **luns; 404 struct sbp_softc *sbp; 405 struct fw_device *fwdev; 406 uint32_t mgm_hi, mgm_lo; 407 struct sbp_ocb *mgm_ocb_cur; 408 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 409 struct callout mgm_ocb_timeout; 410 struct callout scan_callout; 411 STAILQ_HEAD(, fw_xfer) xferlist; 412 int n_xfer; 413 }; 414 415 struct sbp_softc { 416 struct firewire_dev_comm fd; 417 #if defined(__FreeBSD__) 418 struct cam_sim *sim; 419 struct cam_path *path; 420 #elif defined(__NetBSD__) 421 struct scsipi_adapter sc_adapter; 422 struct scsipi_channel sc_channel; 423 struct device *sc_bus; 424 struct lwp *lwp; 425 #endif 426 struct sbp_target target; 427 struct fw_bind fwb; 428 fw_bus_dma_tag_t dmat; 429 struct timeval last_busreset; 430 #define SIMQ_FREEZED 1 431 int flags; 432 }; 433 434 #if defined(__NetBSD__) 435 int sbpmatch (struct device *, struct cfdata *, void *); 436 void sbpattach (struct device *parent, struct device *self, void *aux); 437 int sbpdetach (struct device *self, int flags); 438 #endif 439 static void sbp_post_explore (void *); 440 static void sbp_recv (struct fw_xfer *); 441 static void sbp_mgm_callback (struct fw_xfer *); 442 #if 0 443 static void sbp_cmd_callback (struct fw_xfer *); 444 #endif 445 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 446 static void sbp_doorbell(struct sbp_dev *); 447 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 448 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 449 static void sbp_abort_ocb (struct sbp_ocb *, int); 450 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 451 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 452 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 453 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 454 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 455 static void sbp_free_sdev(struct sbp_dev *); 456 static void sbp_free_target (struct sbp_target *); 457 static void sbp_mgm_timeout (void *arg); 458 static void sbp_timeout (void *arg); 459 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 460 #if defined(__FreeBSD__) 461 462 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 463 #elif defined(__NetBSD__) 464 static void sbp_scsipi_request( 465 struct scsipi_channel *, scsipi_adapter_req_t, void *); 466 static void sbp_minphys(struct buf *); 467 468 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394"); 469 #endif 470 471 #if defined(__FreeBSD__) 472 /* cam related functions */ 473 static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer); 474 static void sbp_poll(struct cam_sim *); 475 static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *); 476 static void sbp_cam_scan_target(void *); 477 static void sbp_cam_detach_sdev(struct sbp_dev *); 478 static void sbp_cam_detach_target (struct sbp_target *); 479 #define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd)) 480 #define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st)) 481 #elif defined(__NetBSD__) 482 /* scsipi related functions */ 483 static void fw_kthread_create0(void *); 484 static void sbp_scsipi_scan_target(void *); 485 static void sbp_scsipi_detach_sdev(struct sbp_dev *); 486 static void sbp_scsipi_detach_target (struct sbp_target *); 487 #define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd)) 488 #define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st)) 489 #endif 490 491 static const char *orb_status0[] = { 492 /* 0 */ "No additional information to report", 493 /* 1 */ "Request type not supported", 494 /* 2 */ "Speed not supported", 495 /* 3 */ "Page size not supported", 496 /* 4 */ "Access denied", 497 /* 5 */ "Logical unit not supported", 498 /* 6 */ "Maximum payload too small", 499 /* 7 */ "Reserved for future standardization", 500 /* 8 */ "Resources unavailable", 501 /* 9 */ "Function rejected", 502 /* A */ "Login ID not recognized", 503 /* B */ "Dummy ORB completed", 504 /* C */ "Request aborted", 505 /* FF */ "Unspecified error" 506 #define MAX_ORB_STATUS0 0xd 507 }; 508 509 static const char *orb_status1_object[] = { 510 /* 0 */ "Operation request block (ORB)", 511 /* 1 */ "Data buffer", 512 /* 2 */ "Page table", 513 /* 3 */ "Unable to specify" 514 }; 515 516 static const char *orb_status1_serial_bus_error[] = { 517 /* 0 */ "Missing acknowledge", 518 /* 1 */ "Reserved; not to be used", 519 /* 2 */ "Time-out error", 520 /* 3 */ "Reserved; not to be used", 521 /* 4 */ "Busy retry limit exceeded(X)", 522 /* 5 */ "Busy retry limit exceeded(A)", 523 /* 6 */ "Busy retry limit exceeded(B)", 524 /* 7 */ "Reserved for future standardization", 525 /* 8 */ "Reserved for future standardization", 526 /* 9 */ "Reserved for future standardization", 527 /* A */ "Reserved for future standardization", 528 /* B */ "Tardy retry limit exceeded", 529 /* C */ "Conflict error", 530 /* D */ "Data error", 531 /* E */ "Type error", 532 /* F */ "Address error" 533 }; 534 535 #if defined(__FreeBSD__) 536 #if 0 537 static void 538 sbp_identify(driver_t *driver, device_t parent) 539 { 540 device_t child; 541 SBP_DEBUG(0) 542 printf("sbp_identify\n"); 543 END_DEBUG 544 545 child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent)); 546 } 547 #endif 548 549 /* 550 * sbp_probe() 551 */ 552 static int 553 sbp_probe(device_t dev) 554 { 555 device_t pa; 556 557 SBP_DEBUG(0) 558 printf("sbp_probe\n"); 559 END_DEBUG 560 561 pa = device_get_parent(dev); 562 if(device_get_unit(dev) != device_get_unit(pa)){ 563 return(ENXIO); 564 } 565 566 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 567 568 #if 0 569 if (bootverbose) 570 debug = bootverbose; 571 #endif 572 573 return (0); 574 } 575 #elif defined(__NetBSD__) 576 int 577 sbpmatch(struct device *parent, struct cfdata *cf, void *aux) 578 { 579 struct fw_attach_args *fwa = aux; 580 581 if (strcmp(fwa->name, "sbp") == 0) 582 return (1); 583 return (0); 584 } 585 #endif 586 587 static void 588 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 589 { 590 struct fw_device *fwdev; 591 592 printf("%s:%d:%d ", 593 device_get_nameunit(sdev->target->sbp->fd.dev), 594 sdev->target->target_id, 595 sdev->lun_id 596 ); 597 if (new == 2) { 598 return; 599 } 600 fwdev = sdev->target->fwdev; 601 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 602 "speed:%d maxrec:%d", 603 (sdev->type & 0x40) >> 6, 604 (sdev->type & 0x1f), 605 fwdev->eui.hi, 606 fwdev->eui.lo, 607 fwdev->dst, 608 fwdev->speed, 609 fwdev->maxrec 610 ); 611 if (new) 612 printf(" new!\n"); 613 else 614 printf("\n"); 615 sbp_show_sdev_info(sdev, 2); 616 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 617 } 618 619 static void 620 sbp_alloc_lun(struct sbp_target *target) 621 { 622 struct crom_context cc; 623 struct csrreg *reg; 624 struct sbp_dev *sdev, **newluns; 625 struct sbp_softc *sbp; 626 int maxlun, lun, i; 627 628 sbp = target->sbp; 629 crom_init_context(&cc, target->fwdev->csrrom); 630 /* XXX shoud parse appropriate unit directories only */ 631 maxlun = -1; 632 while (cc.depth >= 0) { 633 reg = crom_search_key(&cc, CROM_LUN); 634 if (reg == NULL) 635 break; 636 lun = reg->val & 0xffff; 637 SBP_DEBUG(0) 638 printf("target %d lun %d found\n", target->target_id, lun); 639 END_DEBUG 640 if (maxlun < lun) 641 maxlun = lun; 642 crom_next(&cc); 643 } 644 if (maxlun < 0) 645 printf("%s:%d no LUN found\n", 646 device_get_nameunit(target->sbp->fd.dev), 647 target->target_id); 648 649 maxlun ++; 650 if (maxlun >= SBP_NUM_LUNS) 651 maxlun = SBP_NUM_LUNS; 652 653 /* Invalidiate stale devices */ 654 for (lun = 0; lun < target->num_lun; lun ++) { 655 sdev = target->luns[lun]; 656 if (sdev == NULL) 657 continue; 658 sdev->flags &= ~VALID_LUN; 659 if (lun >= maxlun) { 660 /* lost device */ 661 SBP_DETACH_SDEV(sdev); 662 sbp_free_sdev(sdev); 663 } 664 } 665 666 /* Reallocate */ 667 if (maxlun != target->num_lun) { 668 newluns = (struct sbp_dev **) realloc(target->luns, 669 sizeof(struct sbp_dev *) * maxlun, 670 M_SBP, M_NOWAIT | M_ZERO); 671 672 if (newluns == NULL) { 673 printf("%s: realloc failed\n", __func__); 674 newluns = target->luns; 675 maxlun = target->num_lun; 676 } 677 678 /* 679 * We must zero the extended region for the case 680 * realloc() doesn't allocate new buffer. 681 */ 682 if (maxlun > target->num_lun) 683 bzero(&newluns[target->num_lun], 684 sizeof(struct sbp_dev *) * 685 (maxlun - target->num_lun)); 686 687 target->luns = newluns; 688 target->num_lun = maxlun; 689 } 690 691 crom_init_context(&cc, target->fwdev->csrrom); 692 while (cc.depth >= 0) { 693 int new = 0; 694 695 reg = crom_search_key(&cc, CROM_LUN); 696 if (reg == NULL) 697 break; 698 lun = reg->val & 0xffff; 699 if (lun >= SBP_NUM_LUNS) { 700 printf("too large lun %d\n", lun); 701 goto next; 702 } 703 704 sdev = target->luns[lun]; 705 if (sdev == NULL) { 706 sdev = malloc(sizeof(struct sbp_dev), 707 M_SBP, M_NOWAIT | M_ZERO); 708 if (sdev == NULL) { 709 printf("%s: malloc failed\n", __func__); 710 goto next; 711 } 712 target->luns[lun] = sdev; 713 sdev->lun_id = lun; 714 sdev->target = target; 715 STAILQ_INIT(&sdev->ocbs); 716 CALLOUT_INIT(&sdev->login_callout); 717 sdev->status = SBP_DEV_RESET; 718 new = 1; 719 SBP_DEVICE_PREATTACH(); 720 } 721 sdev->flags |= VALID_LUN; 722 sdev->type = (reg->val & 0xff0000) >> 16; 723 724 if (new == 0) 725 goto next; 726 727 fwdma_malloc(sbp->fd.fc, 728 /* alignment */ sizeof(uint32_t), 729 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 730 if (sdev->dma.v_addr == NULL) { 731 printf("%s: dma space allocation failed\n", 732 __func__); 733 free(sdev, M_SBP); 734 target->luns[lun] = NULL; 735 goto next; 736 } 737 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 738 sdev->ocb = (struct sbp_ocb *) 739 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 740 bzero((char *)sdev->ocb, 741 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 742 743 STAILQ_INIT(&sdev->free_ocbs); 744 for (i = 0; i < SBP_QUEUE_LEN; i++) { 745 struct sbp_ocb *ocb; 746 ocb = &sdev->ocb[i]; 747 ocb->bus_addr = sdev->dma.bus_addr 748 + SBP_LOGIN_SIZE 749 + sizeof(struct sbp_ocb) * i 750 + offsetof(struct sbp_ocb, orb[0]); 751 if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 752 printf("sbp_attach: cannot create dmamap\n"); 753 /* XXX */ 754 goto next; 755 } 756 sbp_free_ocb(sdev, ocb); 757 } 758 next: 759 crom_next(&cc); 760 } 761 762 for (lun = 0; lun < target->num_lun; lun ++) { 763 sdev = target->luns[lun]; 764 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 765 SBP_DETACH_SDEV(sdev); 766 sbp_free_sdev(sdev); 767 target->luns[lun] = NULL; 768 } 769 } 770 } 771 772 static struct sbp_target * 773 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 774 { 775 struct sbp_target *target; 776 struct crom_context cc; 777 struct csrreg *reg; 778 779 SBP_DEBUG(1) 780 printf("sbp_alloc_target\n"); 781 END_DEBUG 782 /* new target */ 783 target = &sbp->target; 784 target->sbp = sbp; 785 target->fwdev = fwdev; 786 target->target_id = 0; 787 /* XXX we may want to reload mgm port after each bus reset */ 788 /* XXX there might be multiple management agents */ 789 crom_init_context(&cc, target->fwdev->csrrom); 790 reg = crom_search_key(&cc, CROM_MGM); 791 if (reg == NULL || reg->val == 0) { 792 printf("NULL management address\n"); 793 target->fwdev = NULL; 794 return NULL; 795 } 796 target->mgm_hi = 0xffff; 797 target->mgm_lo = 0xf0000000 | (reg->val << 2); 798 target->mgm_ocb_cur = NULL; 799 SBP_DEBUG(1) 800 printf("target: mgm_port: %x\n", target->mgm_lo); 801 END_DEBUG 802 STAILQ_INIT(&target->xferlist); 803 target->n_xfer = 0; 804 STAILQ_INIT(&target->mgm_ocb_queue); 805 CALLOUT_INIT(&target->mgm_ocb_timeout); 806 CALLOUT_INIT(&target->scan_callout); 807 808 target->luns = NULL; 809 target->num_lun = 0; 810 return target; 811 } 812 813 static void 814 sbp_probe_lun(struct sbp_dev *sdev) 815 { 816 struct fw_device *fwdev; 817 struct crom_context c, *cc = &c; 818 struct csrreg *reg; 819 820 bzero(sdev->vendor, sizeof(sdev->vendor)); 821 bzero(sdev->product, sizeof(sdev->product)); 822 823 fwdev = sdev->target->fwdev; 824 crom_init_context(cc, fwdev->csrrom); 825 /* get vendor string */ 826 crom_search_key(cc, CSRKEY_VENDOR); 827 crom_next(cc); 828 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 829 /* skip to the unit directory for SBP-2 */ 830 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 831 if (reg->val == CSRVAL_T10SBP2) 832 break; 833 crom_next(cc); 834 } 835 /* get firmware revision */ 836 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 837 if (reg != NULL) 838 snprintf(sdev->revision, sizeof(sdev->revision), 839 "%06x", reg->val); 840 /* get product string */ 841 crom_search_key(cc, CSRKEY_MODEL); 842 crom_next(cc); 843 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 844 } 845 846 static void 847 sbp_login_callout(void *arg) 848 { 849 struct sbp_dev *sdev = (struct sbp_dev *)arg; 850 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 851 } 852 853 static void 854 sbp_login(struct sbp_dev *sdev) 855 { 856 struct timeval delta; 857 struct timeval t; 858 int ticks = 0; 859 860 microtime(&delta); 861 timevalsub(&delta, &sdev->target->sbp->last_busreset); 862 t.tv_sec = login_delay / 1000; 863 t.tv_usec = (login_delay % 1000) * 1000; 864 timevalsub(&t, &delta); 865 if (t.tv_sec >= 0 && t.tv_usec > 0) 866 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 867 SBP_DEBUG(0) 868 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 869 (intmax_t)t.tv_sec, t.tv_usec, ticks); 870 END_DEBUG 871 callout_reset(&sdev->login_callout, ticks, 872 sbp_login_callout, (void *)(sdev)); 873 } 874 875 static void 876 sbp_probe_target(void *arg) 877 { 878 struct sbp_target *target = (struct sbp_target *)arg; 879 struct sbp_softc *sbp; 880 struct sbp_dev *sdev; 881 struct firewire_comm *fc; 882 int i; 883 884 SBP_DEBUG(1) 885 printf("sbp_probe_target %d\n", target->target_id); 886 END_DEBUG 887 888 sbp = target->sbp; 889 fc = target->sbp->fd.fc; 890 sbp_alloc_lun(target); 891 892 /* XXX untimeout mgm_ocb and dequeue */ 893 for (i=0; i < target->num_lun; i++) { 894 sdev = target->luns[i]; 895 if (sdev == NULL) 896 continue; 897 if (sdev->status != SBP_DEV_DEAD) { 898 if (SBP_DEVICE(sdev) != NULL) { 899 SBP_DEVICE_FREEZE(sdev, 1); 900 sdev->freeze ++; 901 } 902 sbp_probe_lun(sdev); 903 SBP_DEBUG(0) 904 sbp_show_sdev_info(sdev, 905 (sdev->status == SBP_DEV_RESET)); 906 END_DEBUG 907 908 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 909 switch (sdev->status) { 910 case SBP_DEV_RESET: 911 /* new or revived target */ 912 if (auto_login) 913 sbp_login(sdev); 914 break; 915 case SBP_DEV_TOATTACH: 916 case SBP_DEV_PROBE: 917 case SBP_DEV_ATTACHED: 918 case SBP_DEV_RETRY: 919 default: 920 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 921 break; 922 } 923 } else { 924 switch (sdev->status) { 925 case SBP_DEV_ATTACHED: 926 SBP_DEBUG(0) 927 /* the device has gone */ 928 sbp_show_sdev_info(sdev, 2); 929 printf("lost target\n"); 930 END_DEBUG 931 if (SBP_DEVICE(sdev) != NULL) { 932 SBP_DEVICE_FREEZE(sdev, 1); 933 sdev->freeze ++; 934 } 935 sdev->status = SBP_DEV_RETRY; 936 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 937 break; 938 case SBP_DEV_PROBE: 939 case SBP_DEV_TOATTACH: 940 sdev->status = SBP_DEV_RESET; 941 break; 942 case SBP_DEV_RETRY: 943 case SBP_DEV_RESET: 944 case SBP_DEV_DEAD: 945 break; 946 } 947 } 948 } 949 } 950 951 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 952 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 953 954 static void 955 sbp_post_busreset(void *arg) 956 { 957 struct sbp_softc *sbp = (struct sbp_softc *)arg; 958 struct sbp_target *target = &sbp->target; 959 struct fw_device *fwdev = target->fwdev; 960 int alive; 961 962 alive = SBP_FWDEV_ALIVE(fwdev); 963 SBP_DEBUG(0) 964 printf("sbp_post_busreset\n"); 965 if (!alive) 966 printf("not alive\n"); 967 END_DEBUG 968 microtime(&sbp->last_busreset); 969 970 if (!alive) 971 return; 972 973 SBP_BUS_FREEZE(sbp); 974 } 975 976 static void 977 sbp_post_explore(void *arg) 978 { 979 struct sbp_softc *sbp = (struct sbp_softc *)arg; 980 struct sbp_target *target = &sbp->target; 981 struct fw_device *fwdev = target->fwdev; 982 int alive; 983 984 alive = SBP_FWDEV_ALIVE(fwdev); 985 SBP_DEBUG(0) 986 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 987 if (!alive) 988 printf("not alive\n"); 989 END_DEBUG 990 if (!alive) 991 return; 992 993 if (sbp_cold > 0) 994 sbp_cold --; 995 996 #if 0 997 /* 998 * XXX don't let CAM the bus rest. 999 * CAM tries to do something with freezed (DEV_RETRY) devices. 1000 */ 1001 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1002 #endif 1003 1004 SBP_DEBUG(0) 1005 printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo); 1006 END_DEBUG 1007 sbp_probe_target((void *)target); 1008 if (target->num_lun == 0) 1009 sbp_free_target(target); 1010 1011 SBP_BUS_THAW(sbp); 1012 } 1013 1014 #if NEED_RESPONSE 1015 static void 1016 sbp_loginres_callback(struct fw_xfer *xfer){ 1017 int s; 1018 struct sbp_dev *sdev; 1019 sdev = (struct sbp_dev *)xfer->sc; 1020 SBP_DEBUG(1) 1021 sbp_show_sdev_info(sdev, 2); 1022 printf("sbp_loginres_callback\n"); 1023 END_DEBUG 1024 /* recycle */ 1025 s = splfw(); 1026 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 1027 splx(s); 1028 return; 1029 } 1030 #endif 1031 1032 static inline void 1033 sbp_xfer_free(struct fw_xfer *xfer) 1034 { 1035 struct sbp_dev *sdev; 1036 int s; 1037 1038 sdev = (struct sbp_dev *)xfer->sc; 1039 fw_xfer_unload(xfer); 1040 s = splfw(); 1041 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 1042 splx(s); 1043 } 1044 1045 static void 1046 sbp_reset_start_callback(struct fw_xfer *xfer) 1047 { 1048 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 1049 struct sbp_target *target = sdev->target; 1050 int i; 1051 1052 if (xfer->resp != 0) { 1053 sbp_show_sdev_info(sdev, 2); 1054 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 1055 } 1056 1057 for (i = 0; i < target->num_lun; i++) { 1058 tsdev = target->luns[i]; 1059 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 1060 sbp_login(tsdev); 1061 } 1062 } 1063 1064 static void 1065 sbp_reset_start(struct sbp_dev *sdev) 1066 { 1067 struct fw_xfer *xfer; 1068 struct fw_pkt *fp; 1069 1070 SBP_DEBUG(0) 1071 sbp_show_sdev_info(sdev, 2); 1072 printf("sbp_reset_start\n"); 1073 END_DEBUG 1074 1075 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1076 xfer->hand = sbp_reset_start_callback; 1077 fp = &xfer->send.hdr; 1078 fp->mode.wreqq.dest_hi = 0xffff; 1079 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 1080 fp->mode.wreqq.data = htonl(0xf); 1081 fw_asyreq(xfer->fc, -1, xfer); 1082 } 1083 1084 static void 1085 sbp_mgm_callback(struct fw_xfer *xfer) 1086 { 1087 struct sbp_dev *sdev; 1088 int resp; 1089 1090 sdev = (struct sbp_dev *)xfer->sc; 1091 1092 SBP_DEBUG(1) 1093 sbp_show_sdev_info(sdev, 2); 1094 printf("sbp_mgm_callback\n"); 1095 END_DEBUG 1096 resp = xfer->resp; 1097 sbp_xfer_free(xfer); 1098 #if 0 1099 if (resp != 0) { 1100 sbp_show_sdev_info(sdev, 2); 1101 printf("management ORB failed(%d) ... RESET_START\n", resp); 1102 sbp_reset_start(sdev); 1103 } 1104 #endif 1105 return; 1106 } 1107 1108 #if defined(__FreeBSD__) 1109 static struct sbp_dev * 1110 sbp_next_dev(struct sbp_target *target, int lun) 1111 { 1112 struct sbp_dev **sdevp; 1113 int i; 1114 1115 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 1116 i++, sdevp++) 1117 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 1118 return(*sdevp); 1119 return(NULL); 1120 } 1121 1122 #define SCAN_PRI 1 1123 static void 1124 sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer) 1125 { 1126 struct sbp_target *target; 1127 struct sbp_dev *sdev; 1128 1129 sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr; 1130 target = sdev->target; 1131 SBP_DEBUG(0) 1132 sbp_show_sdev_info(sdev, 2); 1133 printf("sbp_cam_scan_lun\n"); 1134 END_DEBUG 1135 if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) { 1136 sdev->status = SBP_DEV_ATTACHED; 1137 } else { 1138 sbp_show_sdev_info(sdev, 2); 1139 printf("scan failed\n"); 1140 } 1141 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1142 if (sdev == NULL) { 1143 free(sxfer, M_SBP); 1144 return; 1145 } 1146 /* reuse sxfer */ 1147 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1148 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1149 xpt_action(sxfer); 1150 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1151 sdev->freeze = 1; 1152 } 1153 1154 static void 1155 sbp_cam_scan_target(void *arg) 1156 { 1157 struct sbp_target *target = (struct sbp_target *)arg; 1158 struct sbp_dev *sdev; 1159 sbp_scsi_xfer *sxfer; 1160 1161 sdev = sbp_next_dev(target, 0); 1162 if (sdev == NULL) { 1163 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1164 target->target_id); 1165 return; 1166 } 1167 SBP_DEBUG(0) 1168 sbp_show_sdev_info(sdev, 2); 1169 printf("sbp_cam_scan_target\n"); 1170 END_DEBUG 1171 sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO); 1172 if (sxfer == NULL) { 1173 printf("sbp_cam_scan_target: malloc failed\n"); 1174 return; 1175 } 1176 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1177 sxfer->ccb_h.func_code = XPT_SCAN_LUN; 1178 sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun; 1179 sxfer->ccb_h.flags |= CAM_DEV_QFREEZE; 1180 sxfer->crcn.flags = CAM_FLAG_NONE; 1181 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1182 1183 /* The scan is in progress now. */ 1184 xpt_action(sxfer); 1185 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1186 sdev->freeze = 1; 1187 } 1188 1189 static inline void 1190 sbp_scan_dev(struct sbp_dev *sdev) 1191 { 1192 sdev->status = SBP_DEV_PROBE; 1193 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1194 sbp_cam_scan_target, (void *)sdev->target); 1195 } 1196 #else 1197 static void 1198 fw_kthread_create0(void *arg) 1199 { 1200 struct sbp_softc *sbp = (struct sbp_softc *)arg; 1201 1202 /* create thread */ 1203 if (kthread_create(PRI_NONE, 0, NULL, sbp_scsipi_scan_target, 1204 &sbp->target, &sbp->lwp, "sbp%d_attach", 1205 device_unit(sbp->fd.dev))) { 1206 1207 device_printf(sbp->fd.dev, "unable to create thread"); 1208 panic("fw_kthread_create"); 1209 } 1210 } 1211 1212 static void 1213 sbp_scsipi_scan_target(void *arg) 1214 { 1215 struct sbp_target *target = (struct sbp_target *)arg; 1216 struct sbp_softc *sbp = target->sbp; 1217 struct sbp_dev *sdev; 1218 struct scsipi_channel *chan = &sbp->sc_channel; 1219 struct scsibus_softc *sc_bus = (struct scsibus_softc *)sbp->sc_bus; 1220 int lun, yet; 1221 1222 do { 1223 tsleep(target, PWAIT|PCATCH, "-", 0); 1224 yet = 0; 1225 1226 for (lun = 0; lun < target->num_lun; lun ++) { 1227 sdev = target->luns[lun]; 1228 if (sdev == NULL) 1229 continue; 1230 if (sdev->status != SBP_DEV_PROBE) { 1231 yet ++; 1232 continue; 1233 } 1234 1235 if (sdev->periph == NULL) { 1236 if (chan->chan_nluns < target->num_lun) 1237 chan->chan_nluns = target->num_lun; 1238 1239 scsi_probe_bus(sc_bus, 1240 target->target_id, sdev->lun_id); 1241 sdev->periph = scsipi_lookup_periph( 1242 chan, target->target_id, lun); 1243 } 1244 sdev->status = SBP_DEV_ATTACHED; 1245 } 1246 } while (yet > 0); 1247 1248 sbp->lwp = NULL; 1249 kthread_exit(0); 1250 } 1251 1252 static inline void 1253 sbp_scan_dev(struct sbp_dev *sdev) 1254 { 1255 sdev->status = SBP_DEV_PROBE; 1256 wakeup(sdev->target); 1257 } 1258 #endif 1259 1260 1261 static void 1262 sbp_do_attach(struct fw_xfer *xfer) 1263 { 1264 struct sbp_dev *sdev; 1265 struct sbp_target *target; 1266 struct sbp_softc *sbp; 1267 1268 sdev = (struct sbp_dev *)xfer->sc; 1269 target = sdev->target; 1270 sbp = target->sbp; 1271 1272 SBP_DEBUG(0) 1273 sbp_show_sdev_info(sdev, 2); 1274 printf("sbp_do_attach\n"); 1275 END_DEBUG 1276 sbp_xfer_free(xfer); 1277 1278 #if defined(__FreeBSD__) 1279 if (sdev->path == NULL) 1280 xpt_create_path(&sdev->path, xpt_periph, 1281 cam_sim_path(target->sbp->sim), 1282 target->target_id, sdev->lun_id); 1283 1284 /* 1285 * Let CAM scan the bus if we are in the boot process. 1286 * XXX xpt_scan_bus cannot detect LUN larger than 0 1287 * if LUN 0 doesn't exists. 1288 */ 1289 if (sbp_cold > 0) { 1290 sdev->status = SBP_DEV_ATTACHED; 1291 return; 1292 } 1293 #endif 1294 1295 sbp_scan_dev(sdev); 1296 return; 1297 } 1298 1299 static void 1300 sbp_agent_reset_callback(struct fw_xfer *xfer) 1301 { 1302 struct sbp_dev *sdev; 1303 1304 sdev = (struct sbp_dev *)xfer->sc; 1305 SBP_DEBUG(1) 1306 sbp_show_sdev_info(sdev, 2); 1307 printf("%s\n", __func__); 1308 END_DEBUG 1309 if (xfer->resp != 0) { 1310 sbp_show_sdev_info(sdev, 2); 1311 printf("%s: resp=%d\n", __func__, xfer->resp); 1312 } 1313 1314 sbp_xfer_free(xfer); 1315 if (SBP_DEVICE(sdev)) { 1316 SBP_DEVICE_THAW(sdev, sdev->freeze); 1317 sdev->freeze = 0; 1318 } 1319 } 1320 1321 static void 1322 sbp_agent_reset(struct sbp_dev *sdev) 1323 { 1324 struct fw_xfer *xfer; 1325 struct fw_pkt *fp; 1326 1327 SBP_DEBUG(0) 1328 sbp_show_sdev_info(sdev, 2); 1329 printf("sbp_agent_reset\n"); 1330 END_DEBUG 1331 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1332 if (xfer == NULL) 1333 return; 1334 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1335 xfer->hand = sbp_agent_reset_callback; 1336 else 1337 xfer->hand = sbp_do_attach; 1338 fp = &xfer->send.hdr; 1339 fp->mode.wreqq.data = htonl(0xf); 1340 fw_asyreq(xfer->fc, -1, xfer); 1341 sbp_abort_all_ocbs(sdev, XS_BDR_SENT); 1342 } 1343 1344 static void 1345 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1346 { 1347 struct sbp_dev *sdev; 1348 1349 sdev = (struct sbp_dev *)xfer->sc; 1350 SBP_DEBUG(1) 1351 sbp_show_sdev_info(sdev, 2); 1352 printf("sbp_busy_timeout_callback\n"); 1353 END_DEBUG 1354 sbp_xfer_free(xfer); 1355 sbp_agent_reset(sdev); 1356 } 1357 1358 static void 1359 sbp_busy_timeout(struct sbp_dev *sdev) 1360 { 1361 struct fw_pkt *fp; 1362 struct fw_xfer *xfer; 1363 SBP_DEBUG(0) 1364 sbp_show_sdev_info(sdev, 2); 1365 printf("sbp_busy_timeout\n"); 1366 END_DEBUG 1367 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1368 1369 xfer->hand = sbp_busy_timeout_callback; 1370 fp = &xfer->send.hdr; 1371 fp->mode.wreqq.dest_hi = 0xffff; 1372 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1373 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1374 fw_asyreq(xfer->fc, -1, xfer); 1375 } 1376 1377 static void 1378 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1379 { 1380 struct sbp_dev *sdev; 1381 sdev = (struct sbp_dev *)xfer->sc; 1382 1383 SBP_DEBUG(1) 1384 sbp_show_sdev_info(sdev, 2); 1385 printf("%s\n", __func__); 1386 END_DEBUG 1387 if (xfer->resp != 0) { 1388 /* XXX */ 1389 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1390 } 1391 sbp_xfer_free(xfer); 1392 sdev->flags &= ~ORB_POINTER_ACTIVE; 1393 1394 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1395 struct sbp_ocb *ocb; 1396 1397 sdev->flags &= ~ORB_POINTER_NEED; 1398 ocb = STAILQ_FIRST(&sdev->ocbs); 1399 if (ocb != NULL) 1400 sbp_orb_pointer(sdev, ocb); 1401 } 1402 return; 1403 } 1404 1405 static void 1406 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1407 { 1408 struct fw_xfer *xfer; 1409 struct fw_pkt *fp; 1410 SBP_DEBUG(1) 1411 sbp_show_sdev_info(sdev, 2); 1412 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1413 END_DEBUG 1414 1415 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1416 SBP_DEBUG(0) 1417 printf("%s: orb pointer active\n", __func__); 1418 END_DEBUG 1419 sdev->flags |= ORB_POINTER_NEED; 1420 return; 1421 } 1422 1423 sdev->flags |= ORB_POINTER_ACTIVE; 1424 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1425 if (xfer == NULL) 1426 return; 1427 xfer->hand = sbp_orb_pointer_callback; 1428 1429 fp = &xfer->send.hdr; 1430 fp->mode.wreqb.len = 8; 1431 fp->mode.wreqb.extcode = 0; 1432 xfer->send.payload[0] = 1433 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1434 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1435 1436 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1437 sbp_xfer_free(xfer); 1438 SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID; 1439 SCSI_TRANSFER_DONE(ocb->sxfer); 1440 } 1441 } 1442 1443 static void 1444 sbp_doorbell_callback(struct fw_xfer *xfer) 1445 { 1446 struct sbp_dev *sdev; 1447 sdev = (struct sbp_dev *)xfer->sc; 1448 1449 SBP_DEBUG(1) 1450 sbp_show_sdev_info(sdev, 2); 1451 printf("sbp_doorbell_callback\n"); 1452 END_DEBUG 1453 if (xfer->resp != 0) { 1454 /* XXX */ 1455 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1456 } 1457 sbp_xfer_free(xfer); 1458 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1459 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1460 sdev->flags &= ~ORB_DOORBELL_NEED; 1461 sbp_doorbell(sdev); 1462 } 1463 return; 1464 } 1465 1466 static void 1467 sbp_doorbell(struct sbp_dev *sdev) 1468 { 1469 struct fw_xfer *xfer; 1470 struct fw_pkt *fp; 1471 SBP_DEBUG(1) 1472 sbp_show_sdev_info(sdev, 2); 1473 printf("sbp_doorbell\n"); 1474 END_DEBUG 1475 1476 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1477 sdev->flags |= ORB_DOORBELL_NEED; 1478 return; 1479 } 1480 sdev->flags |= ORB_DOORBELL_ACTIVE; 1481 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1482 if (xfer == NULL) 1483 return; 1484 xfer->hand = sbp_doorbell_callback; 1485 fp = &xfer->send.hdr; 1486 fp->mode.wreqq.data = htonl(0xf); 1487 fw_asyreq(xfer->fc, -1, xfer); 1488 } 1489 1490 static struct fw_xfer * 1491 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1492 { 1493 struct fw_xfer *xfer; 1494 struct fw_pkt *fp; 1495 struct sbp_target *target; 1496 int s, new = 0; 1497 1498 target = sdev->target; 1499 s = splfw(); 1500 xfer = STAILQ_FIRST(&target->xferlist); 1501 if (xfer == NULL) { 1502 if (target->n_xfer > 5 /* XXX */) { 1503 printf("sbp: no more xfer for this target\n"); 1504 splx(s); 1505 return(NULL); 1506 } 1507 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1508 if(xfer == NULL){ 1509 printf("sbp: fw_xfer_alloc_buf failed\n"); 1510 splx(s); 1511 return NULL; 1512 } 1513 target->n_xfer ++; 1514 if (debug) 1515 printf("sbp: alloc %d xfer\n", target->n_xfer); 1516 new = 1; 1517 } else { 1518 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1519 } 1520 splx(s); 1521 1522 microtime(&xfer->tv); 1523 1524 if (new) { 1525 xfer->recv.pay_len = 0; 1526 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1527 xfer->fc = sdev->target->sbp->fd.fc; 1528 } 1529 1530 if (tcode == FWTCODE_WREQB) 1531 xfer->send.pay_len = 8; 1532 else 1533 xfer->send.pay_len = 0; 1534 1535 xfer->sc = (void *)sdev; 1536 fp = &xfer->send.hdr; 1537 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1538 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1539 fp->mode.wreqq.tlrt = 0; 1540 fp->mode.wreqq.tcode = tcode; 1541 fp->mode.wreqq.pri = 0; 1542 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1543 1544 return xfer; 1545 1546 } 1547 1548 static void 1549 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1550 { 1551 struct fw_xfer *xfer; 1552 struct fw_pkt *fp; 1553 struct sbp_ocb *ocb; 1554 struct sbp_target *target; 1555 int s, nid, dv_unit; 1556 1557 target = sdev->target; 1558 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1559 dv_unit = device_get_unit(target->sbp->fd.dev); 1560 1561 s = splfw(); 1562 if (func == ORB_FUN_RUNQUEUE) { 1563 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1564 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1565 splx(s); 1566 return; 1567 } 1568 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1569 goto start; 1570 } 1571 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1572 splx(s); 1573 /* XXX */ 1574 return; 1575 } 1576 ocb->flags = OCB_ACT_MGM; 1577 ocb->sdev = sdev; 1578 1579 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1580 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1581 ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id)); 1582 1583 SBP_DEBUG(0) 1584 sbp_show_sdev_info(sdev, 2); 1585 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1586 END_DEBUG 1587 switch (func) { 1588 case ORB_FUN_LGI: 1589 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1590 ocb->orb[2] = htonl(nid << 16); 1591 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1592 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1593 if (ex_login) 1594 ocb->orb[4] |= htonl(ORB_EXV); 1595 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1596 break; 1597 case ORB_FUN_ATA: 1598 ocb->orb[0] = htonl((0 << 16) | 0); 1599 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1600 /* fall through */ 1601 case ORB_FUN_RCN: 1602 case ORB_FUN_LGO: 1603 case ORB_FUN_LUR: 1604 case ORB_FUN_RST: 1605 case ORB_FUN_ATS: 1606 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1607 break; 1608 } 1609 1610 if (target->mgm_ocb_cur != NULL) { 1611 /* there is a standing ORB */ 1612 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1613 splx(s); 1614 return; 1615 } 1616 start: 1617 target->mgm_ocb_cur = ocb; 1618 splx(s); 1619 1620 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1621 sbp_mgm_timeout, (void *)ocb); 1622 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1623 if(xfer == NULL){ 1624 return; 1625 } 1626 xfer->hand = sbp_mgm_callback; 1627 1628 fp = &xfer->send.hdr; 1629 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1630 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1631 fp->mode.wreqb.len = 8; 1632 fp->mode.wreqb.extcode = 0; 1633 xfer->send.payload[0] = htonl(nid << 16); 1634 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1635 SBP_DEBUG(0) 1636 sbp_show_sdev_info(sdev, 2); 1637 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1638 END_DEBUG 1639 1640 /* cache writeback & invalidate(required ORB_FUN_LGI func) */ 1641 /* when abort_ocb, should sync POST ope ? */ 1642 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1643 fw_asyreq(xfer->fc, -1, xfer); 1644 } 1645 1646 static void 1647 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1648 { 1649 #if defined(__FreeBSD__) 1650 struct ccb_scsiio *csio; 1651 1652 csio = &ocb->sxfer->csio; 1653 #endif 1654 printf("%s:%d:%d XPT_SCSI_IO: " 1655 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1656 ", flags: 0x%02x, " 1657 "%db cmd/%db data/%db sense\n", 1658 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1659 SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer), 1660 SCSI_XFER_10BCMD_DUMP(ocb->sxfer), 1661 SCSI_XFER_DIR(ocb->sxfer), 1662 SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer), 1663 SCSI_XFER_SENSELEN(ocb->sxfer)); 1664 } 1665 1666 static void 1667 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1668 { 1669 struct sbp_cmd_status *sbp_cmd_status; 1670 scsi3_sense_data_t sense = 1671 (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer); 1672 1673 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1674 1675 SBP_DEBUG(0) 1676 sbp_print_scsi_cmd(ocb); 1677 /* XXX need decode status */ 1678 sbp_show_sdev_info(ocb->sdev, 2); 1679 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1680 sbp_cmd_status->status, 1681 sbp_cmd_status->sfmt, 1682 sbp_cmd_status->valid, 1683 sbp_cmd_status->s_key, 1684 sbp_cmd_status->s_code, 1685 sbp_cmd_status->s_qlfr, 1686 sbp_status->len 1687 ); 1688 END_DEBUG 1689 1690 switch (sbp_cmd_status->status) { 1691 case SCSI_STATUS_CHECK_COND: 1692 case SCSI_STATUS_BUSY: 1693 case SCSI_STATUS_CMD_TERMINATED: 1694 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1695 sense->response_code = SSD_CURRENT_ERROR; 1696 }else{ 1697 sense->response_code = SSD_DEFERRED_ERROR; 1698 } 1699 if(sbp_cmd_status->valid) 1700 sense->response_code |= SSD_RESPONSE_CODE_VALID; 1701 sense->flags = sbp_cmd_status->s_key; 1702 if(sbp_cmd_status->mark) 1703 sense->flags |= SSD_FILEMARK; 1704 if(sbp_cmd_status->eom) 1705 sense->flags |= SSD_EOM; 1706 if(sbp_cmd_status->ill_len) 1707 sense->flags |= SSD_ILI; 1708 1709 bcopy(&sbp_cmd_status->info, &sense->information[0], 4); 1710 1711 if (sbp_status->len <= 1) 1712 /* XXX not scsi status. shouldn't be happened */ 1713 sense->asl = 0; 1714 else if (sbp_status->len <= 4) 1715 /* add_sense_code(_qual), info, cmd_spec_info */ 1716 sense->asl = 6; 1717 else 1718 /* fru, sense_key_spec */ 1719 sense->asl = 10; 1720 1721 bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4); 1722 1723 sense->asc = sbp_cmd_status->s_code; 1724 sense->ascq = sbp_cmd_status->s_qlfr; 1725 sense->fruc = sbp_cmd_status->fru; 1726 1727 bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3); 1728 SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE; 1729 SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status; 1730 /* 1731 { 1732 uint8_t j, *tmp; 1733 tmp = sense; 1734 for( j = 0 ; j < 32 ; j+=8){ 1735 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1736 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1737 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1738 } 1739 1740 } 1741 */ 1742 break; 1743 default: 1744 sbp_show_sdev_info(ocb->sdev, 2); 1745 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1746 sbp_cmd_status->status); 1747 } 1748 } 1749 1750 static void 1751 sbp_fix_inq_data(struct sbp_ocb *ocb) 1752 { 1753 sbp_scsi_xfer *sxfer = ocb->sxfer; 1754 struct sbp_dev *sdev; 1755 scsi3_inquiry_data_t inq = 1756 (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer); 1757 sdev = ocb->sdev; 1758 1759 if (SCSI_XFER_EVPD(sxfer)) 1760 return; 1761 SBP_DEBUG(1) 1762 sbp_show_sdev_info(sdev, 2); 1763 printf("sbp_fix_inq_data\n"); 1764 END_DEBUG 1765 switch (inq->device & SID_TYPE) { 1766 case T_DIRECT: 1767 #if 0 1768 /* 1769 * XXX Convert Direct Access device to RBC. 1770 * I've never seen FireWire DA devices which support READ_6. 1771 */ 1772 if ((inq->device & SID_TYPE) == T_DIRECT) 1773 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1774 #endif 1775 /* fall through */ 1776 case T_RBC: 1777 /* 1778 * Override vendor/product/revision information. 1779 * Some devices sometimes return strange strings. 1780 */ 1781 #if 1 1782 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1783 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1784 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1785 #endif 1786 break; 1787 } 1788 /* 1789 * Force to enable/disable tagged queuing. 1790 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1791 */ 1792 if (sbp_tags > 0) 1793 inq->flags[1] |= SID_CmdQue; 1794 else if (sbp_tags < 0) 1795 inq->flags[1] &= ~SID_CmdQue; 1796 1797 } 1798 1799 static void 1800 sbp_recv1(struct fw_xfer *xfer) 1801 { 1802 struct fw_pkt *rfp; 1803 #if NEED_RESPONSE 1804 struct fw_pkt *sfp; 1805 #endif 1806 struct sbp_softc *sbp; 1807 struct sbp_dev *sdev; 1808 struct sbp_ocb *ocb; 1809 struct sbp_login_res *login_res = NULL; 1810 struct sbp_status *sbp_status; 1811 struct sbp_target *target; 1812 int orb_fun, status_valid0, status_valid, l, reset_agent = 0; 1813 uint32_t addr; 1814 /* 1815 uint32_t *ld; 1816 ld = xfer->recv.buf; 1817 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1818 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1819 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1820 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1821 */ 1822 sbp = (struct sbp_softc *)xfer->sc; 1823 if (xfer->resp != 0){ 1824 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1825 goto done0; 1826 } 1827 if (xfer->recv.payload == NULL){ 1828 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1829 goto done0; 1830 } 1831 rfp = &xfer->recv.hdr; 1832 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1833 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1834 goto done0; 1835 } 1836 sbp_status = (struct sbp_status *)xfer->recv.payload; 1837 addr = rfp->mode.wreqb.dest_lo; 1838 SBP_DEBUG(2) 1839 printf("received address 0x%x\n", addr); 1840 END_DEBUG 1841 target = &sbp->target; 1842 l = SBP_ADDR2LUN(addr); 1843 if (l >= target->num_lun || target->luns[l] == NULL) { 1844 device_printf(sbp->fd.dev, 1845 "sbp_recv1: invalid lun %d (target=%d)\n", 1846 l, target->target_id); 1847 goto done0; 1848 } 1849 sdev = target->luns[l]; 1850 1851 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1852 1853 ocb = NULL; 1854 switch (sbp_status->src) { 1855 case SRC_NEXT_EXISTS: 1856 case SRC_NO_NEXT: 1857 /* check mgm_ocb_cur first */ 1858 ocb = target->mgm_ocb_cur; 1859 if (ocb != NULL) { 1860 if (OCB_MATCH(ocb, sbp_status)) { 1861 callout_stop(&target->mgm_ocb_timeout); 1862 target->mgm_ocb_cur = NULL; 1863 break; 1864 } 1865 } 1866 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1867 if (ocb == NULL) { 1868 sbp_show_sdev_info(sdev, 2); 1869 #if defined(__DragonFly__) || \ 1870 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1871 printf("No ocb(%lx) on the queue\n", 1872 #else 1873 printf("No ocb(%x) on the queue\n", 1874 #endif 1875 ntohl(sbp_status->orb_lo)); 1876 } 1877 break; 1878 case SRC_UNSOL: 1879 /* unsolicit */ 1880 sbp_show_sdev_info(sdev, 2); 1881 printf("unsolicit status received\n"); 1882 break; 1883 default: 1884 sbp_show_sdev_info(sdev, 2); 1885 printf("unknown sbp_status->src\n"); 1886 } 1887 1888 status_valid0 = (sbp_status->src < 2 1889 && sbp_status->resp == SBP_REQ_CMP 1890 && sbp_status->dead == 0); 1891 status_valid = (status_valid0 && sbp_status->status == 0); 1892 1893 if (!status_valid0 || debug > 2){ 1894 int status; 1895 SBP_DEBUG(0) 1896 sbp_show_sdev_info(sdev, 2); 1897 printf("ORB status src:%x resp:%x dead:%x" 1898 #if defined(__DragonFly__) || \ 1899 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1900 " len:%x stat:%x orb:%x%08lx\n", 1901 #else 1902 " len:%x stat:%x orb:%x%08x\n", 1903 #endif 1904 sbp_status->src, sbp_status->resp, sbp_status->dead, 1905 sbp_status->len, sbp_status->status, 1906 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1907 END_DEBUG 1908 sbp_show_sdev_info(sdev, 2); 1909 status = sbp_status->status; 1910 switch(sbp_status->resp) { 1911 case SBP_REQ_CMP: 1912 if (status > MAX_ORB_STATUS0) 1913 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1914 else 1915 printf("%s\n", orb_status0[status]); 1916 break; 1917 case SBP_TRANS_FAIL: 1918 printf("Obj: %s, Error: %s\n", 1919 orb_status1_object[(status>>6) & 3], 1920 orb_status1_serial_bus_error[status & 0xf]); 1921 break; 1922 case SBP_ILLE_REQ: 1923 printf("Illegal request\n"); 1924 break; 1925 case SBP_VEND_DEP: 1926 printf("Vendor dependent\n"); 1927 break; 1928 default: 1929 printf("unknown respose code %d\n", sbp_status->resp); 1930 } 1931 } 1932 1933 /* we have to reset the fetch agent if it's dead */ 1934 if (sbp_status->dead) { 1935 if (SBP_DEVICE(sdev) != NULL) { 1936 SBP_DEVICE_FREEZE(sdev, 1); 1937 sdev->freeze ++; 1938 } 1939 reset_agent = 1; 1940 } 1941 1942 if (ocb == NULL) 1943 goto done; 1944 1945 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1946 case ORB_FMT_NOP: 1947 break; 1948 case ORB_FMT_VED: 1949 break; 1950 case ORB_FMT_STD: 1951 switch(ocb->flags) { 1952 case OCB_ACT_MGM: 1953 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1954 reset_agent = 0; 1955 switch(orb_fun) { 1956 case ORB_FUN_LGI: 1957 login_res = sdev->login; 1958 login_res->len = ntohs(login_res->len); 1959 login_res->id = ntohs(login_res->id); 1960 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1961 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1962 if (status_valid) { 1963 SBP_DEBUG(0) 1964 sbp_show_sdev_info(sdev, 2); 1965 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)); 1966 END_DEBUG 1967 sbp_busy_timeout(sdev); 1968 } else { 1969 /* forgot logout? */ 1970 sbp_show_sdev_info(sdev, 2); 1971 printf("login failed\n"); 1972 sdev->status = SBP_DEV_RESET; 1973 } 1974 break; 1975 case ORB_FUN_RCN: 1976 login_res = sdev->login; 1977 if (status_valid) { 1978 SBP_DEBUG(0) 1979 sbp_show_sdev_info(sdev, 2); 1980 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1981 END_DEBUG 1982 #if 1 1983 #if defined(__FreeBSD__) 1984 if (sdev->status == SBP_DEV_ATTACHED) 1985 sbp_scan_dev(sdev); 1986 else 1987 #endif 1988 sbp_agent_reset(sdev); 1989 #else 1990 sdev->status = SBP_DEV_ATTACHED; 1991 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1992 #endif 1993 } else { 1994 /* reconnection hold time exceed? */ 1995 SBP_DEBUG(0) 1996 sbp_show_sdev_info(sdev, 2); 1997 printf("reconnect failed\n"); 1998 END_DEBUG 1999 sbp_login(sdev); 2000 } 2001 break; 2002 case ORB_FUN_LGO: 2003 sdev->status = SBP_DEV_RESET; 2004 break; 2005 case ORB_FUN_RST: 2006 sbp_busy_timeout(sdev); 2007 break; 2008 case ORB_FUN_LUR: 2009 case ORB_FUN_ATA: 2010 case ORB_FUN_ATS: 2011 sbp_agent_reset(sdev); 2012 break; 2013 default: 2014 sbp_show_sdev_info(sdev, 2); 2015 printf("unknown function %d\n", orb_fun); 2016 break; 2017 } 2018 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2019 break; 2020 case OCB_ACT_CMD: 2021 sdev->timeout = 0; 2022 if(ocb->sxfer != NULL){ 2023 sbp_scsi_xfer *sxfer = ocb->sxfer; 2024 /* 2025 uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer); 2026 if(ld != NULL && 2027 SCSI_XFER_DATALEN(ocb->sxfer) != 0) 2028 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 2029 else 2030 printf("ptr NULL\n"); 2031 printf("len %d\n", sbp_status->len); 2032 */ 2033 if(sbp_status->len > 1){ 2034 sbp_scsi_status(sbp_status, ocb); 2035 }else{ 2036 if(sbp_status->resp != SBP_REQ_CMP){ 2037 SCSI_XFER_ERROR(sxfer) = 2038 XS_REQ_CMP_ERR; 2039 }else{ 2040 SCSI_XFER_ERROR(sxfer) = 2041 XS_REQ_CMP; 2042 SCSI_XFER_REQUEST_COMPLETE( 2043 sxfer); 2044 } 2045 } 2046 /* fix up inq data */ 2047 if (SCSI_XFER_OPECODE(sxfer) == INQUIRY) 2048 sbp_fix_inq_data(ocb); 2049 SCSI_TRANSFER_DONE(sxfer); 2050 } 2051 break; 2052 default: 2053 break; 2054 } 2055 } 2056 2057 if (!use_doorbell) 2058 sbp_free_ocb(sdev, ocb); 2059 done: 2060 if (reset_agent) 2061 sbp_agent_reset(sdev); 2062 2063 done0: 2064 xfer->recv.pay_len = SBP_RECV_LEN; 2065 /* The received packet is usually small enough to be stored within 2066 * the buffer. In that case, the controller return ack_complete and 2067 * no respose is necessary. 2068 * 2069 * XXX fwohci.c and firewire.c should inform event_code such as 2070 * ack_complete or ack_pending to upper driver. 2071 */ 2072 #if NEED_RESPONSE 2073 xfer->send.off = 0; 2074 sfp = (struct fw_pkt *)xfer->send.buf; 2075 sfp->mode.wres.dst = rfp->mode.wreqb.src; 2076 xfer->dst = sfp->mode.wres.dst; 2077 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 2078 xfer->hand = sbp_loginres_callback; 2079 2080 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 2081 sfp->mode.wres.tcode = FWTCODE_WRES; 2082 sfp->mode.wres.rtcode = 0; 2083 sfp->mode.wres.pri = 0; 2084 2085 fw_asyreq(xfer->fc, -1, xfer); 2086 #else 2087 /* recycle */ 2088 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 2089 #endif 2090 2091 return; 2092 2093 } 2094 2095 static void 2096 sbp_recv(struct fw_xfer *xfer) 2097 { 2098 int s; 2099 2100 s = splfwsbp(); 2101 sbp_recv1(xfer); 2102 splx(s); 2103 } 2104 /* 2105 * sbp_attach() 2106 */ 2107 FW_ATTACH(sbp) 2108 { 2109 FW_ATTACH_START(sbp, sbp, fwa); 2110 int dv_unit, error, s; 2111 SBP_ATTACH_START; 2112 2113 if (DFLTPHYS > SBP_MAXPHYS) 2114 device_printf(sbp->fd.dev, 2115 "Warning, DFLTPHYS(%dKB) is larger than " 2116 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 2117 SBP_MAXPHYS / 1024); 2118 SBP_DEBUG(0) 2119 printf("sbp_attach (cold=%d)\n", cold); 2120 END_DEBUG 2121 2122 if (cold) 2123 sbp_cold ++; 2124 sbp->fd.fc = fwa->fc; 2125 2126 if (max_speed < 0) 2127 max_speed = sbp->fd.fc->speed; 2128 2129 error = fw_bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 2130 /* XXX shoud be 4 for sane backend? */ 2131 /*alignment*/1, 2132 /*boundary*/0, 2133 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2134 /*highaddr*/BUS_SPACE_MAXADDR, 2135 /*filter*/NULL, /*filterarg*/NULL, 2136 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2137 /*maxsegsz*/SBP_SEG_MAX, 2138 /*flags*/BUS_DMA_ALLOCNOW, 2139 /*lockfunc*/busdma_lock_mutex, 2140 /*lockarg*/&Giant, 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 != FWBUSNOTREADY) { 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; 2340 struct sbp_softc *sbp; 2341 2342 if (sdev == NULL) 2343 return; 2344 2345 target = sdev->target; 2346 if (target == NULL) 2347 return; 2348 2349 sbp = target->sbp; 2350 2351 if (sdev->status == SBP_DEV_DEAD) 2352 return; 2353 if (sdev->status == SBP_DEV_RESET) 2354 return; 2355 if (sdev->periph) { 2356 scsipi_periph_thaw(sdev->periph, sdev->freeze); 2357 scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */ 2358 sdev->freeze = 0; 2359 if (scsipi_target_detach(&sbp->sc_channel, 2360 target->target_id, sdev->lun_id, DETACH_FORCE) != 0) { 2361 sbp_show_sdev_info(sdev, 2); 2362 printf("detach failed\n"); 2363 } 2364 sdev->periph = NULL; 2365 } 2366 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2367 } 2368 2369 static void 2370 sbp_scsipi_detach_target(struct sbp_target *target) 2371 { 2372 struct sbp_softc *sbp = target->sbp; 2373 int i; 2374 2375 if (target->luns != NULL) { 2376 SBP_DEBUG(0) 2377 printf("sbp_detach_target %d\n", target->target_id); 2378 END_DEBUG 2379 callout_stop(&target->scan_callout); 2380 for (i = 0; i < target->num_lun; i++) 2381 sbp_scsipi_detach_sdev(target->luns[i]); 2382 if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0) 2383 device_printf(sbp->fd.dev, "%d detach failed\n", 2384 target->target_id); 2385 sbp->sc_bus = NULL; 2386 } 2387 } 2388 #endif 2389 2390 static void 2391 sbp_target_reset(struct sbp_dev *sdev, int method) 2392 { 2393 int i; 2394 struct sbp_target *target = sdev->target; 2395 struct sbp_dev *tsdev; 2396 2397 for (i = 0; i < target->num_lun; i++) { 2398 tsdev = target->luns[i]; 2399 if (tsdev == NULL) 2400 continue; 2401 if (tsdev->status == SBP_DEV_DEAD) 2402 continue; 2403 if (tsdev->status == SBP_DEV_RESET) 2404 continue; 2405 SBP_DEVICE_FREEZE(tsdev, 1); 2406 tsdev->freeze ++; 2407 sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT); 2408 if (method == 2) 2409 tsdev->status = SBP_DEV_LOGIN; 2410 } 2411 switch(method) { 2412 case 1: 2413 printf("target reset\n"); 2414 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2415 break; 2416 case 2: 2417 printf("reset start\n"); 2418 sbp_reset_start(sdev); 2419 break; 2420 } 2421 2422 } 2423 2424 static void 2425 sbp_mgm_timeout(void *arg) 2426 { 2427 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2428 struct sbp_dev *sdev = ocb->sdev; 2429 struct sbp_target *target = sdev->target; 2430 2431 sbp_show_sdev_info(sdev, 2); 2432 printf("request timeout(mgm orb:0x%08x) ... ", 2433 (uint32_t)ocb->bus_addr); 2434 target->mgm_ocb_cur = NULL; 2435 sbp_free_ocb(sdev, ocb); 2436 #if 0 2437 /* XXX */ 2438 printf("run next request\n"); 2439 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2440 #endif 2441 #if 1 2442 printf("reset start\n"); 2443 sbp_reset_start(sdev); 2444 #endif 2445 } 2446 2447 static void 2448 sbp_timeout(void *arg) 2449 { 2450 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2451 struct sbp_dev *sdev = ocb->sdev; 2452 2453 sbp_show_sdev_info(sdev, 2); 2454 printf("request timeout(cmd orb:0x%08x) ... ", 2455 (uint32_t)ocb->bus_addr); 2456 2457 sdev->timeout ++; 2458 switch(sdev->timeout) { 2459 case 1: 2460 printf("agent reset\n"); 2461 SBP_DEVICE_FREEZE(sdev, 1); 2462 sdev->freeze ++; 2463 sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT); 2464 sbp_agent_reset(sdev); 2465 break; 2466 case 2: 2467 case 3: 2468 sbp_target_reset(sdev, sdev->timeout - 1); 2469 break; 2470 #if 0 2471 default: 2472 /* XXX give up */ 2473 SBP_DETACH_TARGET(target); 2474 if (target->luns != NULL) 2475 free(target->luns, M_SBP); 2476 target->num_lun = 0;; 2477 target->luns = NULL; 2478 target->fwdev = NULL; 2479 #endif 2480 } 2481 } 2482 2483 static void 2484 sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer) 2485 { 2486 2487 struct sbp_target *target = NULL; 2488 struct sbp_dev *sdev = NULL; 2489 2490 /* target:lun -> sdev mapping */ 2491 if (sbp != NULL) { 2492 target = &sbp->target; 2493 if (target->fwdev != NULL 2494 && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer)) 2495 && SCSI_XFER_LUN(sxfer) < target->num_lun) { 2496 sdev = target->luns[SCSI_XFER_LUN(sxfer)]; 2497 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2498 sdev->status != SBP_DEV_PROBE) 2499 sdev = NULL; 2500 } 2501 } 2502 2503 SBP_DEBUG(1) 2504 if (sdev == NULL) 2505 printf("invalid target %d lun %d\n", 2506 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer)); 2507 END_DEBUG 2508 2509 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2510 case XPT_SCSI_IO: 2511 #if defined(__FreeBSD__) 2512 case XPT_RESET_DEV: 2513 case XPT_GET_TRAN_SETTINGS: 2514 case XPT_SET_TRAN_SETTINGS: 2515 case XPT_CALC_GEOMETRY: 2516 #endif 2517 if (sdev == NULL) { 2518 SBP_DEBUG(1) 2519 printf("%s:%d:%d:func_code 0x%04x: " 2520 "Invalid target (target needed)\n", 2521 sbp ? device_get_nameunit(sbp->fd.dev) : "???", 2522 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2523 SCSI_XFER_FUNCCODE(sxfer)); 2524 END_DEBUG 2525 2526 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2527 SCSI_TRANSFER_DONE(sxfer); 2528 return; 2529 } 2530 break; 2531 #if defined(__FreeBSD__) 2532 case XPT_PATH_INQ: 2533 case XPT_NOOP: 2534 /* The opcodes sometimes aimed at a target (sc is valid), 2535 * sometimes aimed at the SIM (sc is invalid and target is 2536 * CAM_TARGET_WILDCARD) 2537 */ 2538 if (sbp == NULL && 2539 sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2540 SBP_DEBUG(0) 2541 printf("%s:%d:%d func_code 0x%04x: " 2542 "Invalid target (no wildcard)\n", 2543 device_get_nameunit(sbp->fd.dev), 2544 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2545 sxfer->ccb_h.func_code); 2546 END_DEBUG 2547 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2548 SCSI_TRANSFER_DONE(sxfer); 2549 return; 2550 } 2551 break; 2552 #endif 2553 default: 2554 /* XXX Hm, we should check the input parameters */ 2555 break; 2556 } 2557 2558 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2559 case XPT_SCSI_IO: 2560 { 2561 struct sbp_ocb *ocb; 2562 int speed; 2563 void *cdb; 2564 2565 SBP_DEBUG(2) 2566 printf("%s:%d:%d XPT_SCSI_IO: " 2567 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2568 ", flags: 0x%02x, " 2569 "%db cmd/%db data/%db sense\n", 2570 device_get_nameunit(sbp->fd.dev), 2571 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2572 SCSI_XFER_10BCMD_DUMP(sxfer), 2573 SCSI_XFER_DIR(sxfer), 2574 SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer), 2575 SCSI_XFER_SENSELEN(sxfer)); 2576 END_DEBUG 2577 if(sdev == NULL){ 2578 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2579 SCSI_TRANSFER_DONE(sxfer); 2580 return; 2581 } 2582 #if 0 2583 /* if we are in probe stage, pass only probe commands */ 2584 if (sdev->status == SBP_DEV_PROBE) { 2585 char *name; 2586 name = xpt_path_periph(sxfer->ccb_h.path)->periph_name; 2587 printf("probe stage, periph name: %s\n", name); 2588 if (strcmp(name, "probe") != 0) { 2589 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2590 SCSI_TRANSFER_DONE(sxfer); 2591 return; 2592 } 2593 } 2594 #endif 2595 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2596 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2597 if (sdev->freeze == 0) { 2598 SBP_DEVICE_FREEZE(sdev, 1); 2599 sdev->freeze ++; 2600 } 2601 SCSI_TRANSFER_DONE(sxfer); 2602 return; 2603 } 2604 2605 ocb->flags = OCB_ACT_CMD; 2606 ocb->sdev = sdev; 2607 ocb->sxfer = sxfer; 2608 #if defined(__FreeBSD__) 2609 sxfer->ccb_h.ccb_sdev_ptr = sdev; 2610 #endif 2611 ocb->orb[0] = htonl(1 << 31); 2612 ocb->orb[1] = 0; 2613 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2614 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2615 speed = min(target->fwdev->speed, max_speed); 2616 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2617 | ORB_CMD_MAXP(speed + 7)); 2618 if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){ 2619 ocb->orb[4] |= htonl(ORB_CMD_IN); 2620 } 2621 2622 if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID) 2623 printf("sbp: CAM_SCATTER_VALID\n"); 2624 if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS) 2625 printf("sbp: CAM_DATA_PHYS\n"); 2626 2627 cdb = SCSI_XFER_CMD(sxfer); 2628 bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer)); 2629 /* 2630 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2631 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2632 */ 2633 if (SCSI_XFER_DATALEN(sxfer) > 0) { 2634 int s, error; 2635 2636 s = splsoftvm(); 2637 error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat, 2638 /*dma map*/ocb->dmamap, 2639 SCSI_XFER_DATA(sxfer), 2640 SCSI_XFER_DATALEN(sxfer), 2641 sbp_execute_ocb, 2642 ocb, 2643 /*flags*/0); 2644 splx(s); 2645 if (error) 2646 printf("sbp: bus_dmamap_load error %d\n", error); 2647 } else 2648 sbp_execute_ocb(ocb, NULL, 0, 0); 2649 break; 2650 } 2651 #if defined(__FreeBSD__) 2652 case XPT_CALC_GEOMETRY: 2653 { 2654 struct ccb_calc_geometry *ccg; 2655 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2656 uint32_t size_mb; 2657 uint32_t secs_per_cylinder; 2658 int extended = 1; 2659 #endif 2660 2661 ccg = &sxfer->ccg; 2662 if (ccg->block_size == 0) { 2663 printf("sbp_action1: block_size is 0.\n"); 2664 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2665 SCSI_TRANSFER_DONE(sxfer); 2666 break; 2667 } 2668 SBP_DEBUG(1) 2669 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2670 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2671 "Volume size = %d\n", 2672 #else 2673 "Volume size = %jd\n", 2674 #endif 2675 device_get_nameunit(sbp->fd.dev), 2676 cam_sim_path(sbp->sim), 2677 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2678 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2679 (uintmax_t) 2680 #endif 2681 ccg->volume_size); 2682 END_DEBUG 2683 2684 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2685 size_mb = ccg->volume_size 2686 / ((1024L * 1024L) / ccg->block_size); 2687 2688 if (size_mb > 1024 && extended) { 2689 ccg->heads = 255; 2690 ccg->secs_per_track = 63; 2691 } else { 2692 ccg->heads = 64; 2693 ccg->secs_per_track = 32; 2694 } 2695 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2696 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2697 SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP; 2698 #else 2699 cam_calc_geometry(ccg, /*extended*/1); 2700 #endif 2701 SCSI_TRANSFER_DONE(sxfer); 2702 break; 2703 } 2704 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2705 { 2706 2707 SBP_DEBUG(1) 2708 printf("%s:%d:XPT_RESET_BUS: \n", 2709 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2710 END_DEBUG 2711 2712 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2713 SCSI_TRANSFER_DONE(sxfer); 2714 break; 2715 } 2716 case XPT_PATH_INQ: /* Path routing inquiry */ 2717 { 2718 struct ccb_pathinq *cpi = &sxfer->cpi; 2719 struct cam_sim *sim = sbp->sim; 2720 2721 SBP_DEBUG(1) 2722 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2723 device_get_nameunit(sbp->fd.dev), 2724 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2725 END_DEBUG 2726 cpi->version_num = 1; /* XXX??? */ 2727 cpi->hba_inquiry = PI_TAG_ABLE; 2728 cpi->target_sprt = 0; 2729 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2730 cpi->hba_eng_cnt = 0; 2731 cpi->max_target = SBP_NUM_TARGETS - 1; 2732 cpi->max_lun = SBP_NUM_LUNS - 1; 2733 cpi->initiator_id = SBP_INITIATOR; 2734 cpi->bus_id = sim->bus_id; 2735 cpi->base_transfer_speed = 400 * 1000 / 8; 2736 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2737 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2738 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2739 cpi->unit_number = sim->unit_number; 2740 cpi->transport = XPORT_SPI; /* XX should havea FireWire */ 2741 cpi->transport_version = 2; 2742 cpi->protocol = PROTO_SCSI; 2743 cpi->protocol_version = SCSI_REV_2; 2744 2745 SCSI_XFER_ERROR(cpi) = XS_REQ_CMP; 2746 SCSI_TRANSFER_DONE(sxfer); 2747 break; 2748 } 2749 case XPT_GET_TRAN_SETTINGS: 2750 { 2751 struct ccb_trans_settings *cts = &sxfer->cts; 2752 struct ccb_trans_settings_scsi *scsi = 2753 &cts->proto_specific.scsi; 2754 struct ccb_trans_settings_spi *spi = 2755 &cts->xport_specific.spi; 2756 2757 cts->protocol = PROTO_SCSI; 2758 cts->protocol_version = SCSI_REV_2; 2759 cts->transport = XPORT_SPI; /* should have a FireWire */ 2760 cts->transport_version = 2; 2761 spi->valid = CTS_SPI_VALID_DISC; 2762 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2763 scsi->valid = CTS_SCSI_VALID_TQ; 2764 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2765 SBP_DEBUG(1) 2766 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2767 device_get_nameunit(sbp->fd.dev), 2768 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2769 END_DEBUG 2770 SCSI_XFER_ERROR(cts) = XS_REQ_CMP; 2771 SCSI_TRANSFER_DONE(sxfer); 2772 break; 2773 } 2774 case XPT_ABORT: 2775 SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT; 2776 SCSI_TRANSFER_DONE(sxfer); 2777 break; 2778 case XPT_SET_TRAN_SETTINGS: 2779 /* XXX */ 2780 default: 2781 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2782 SCSI_TRANSFER_DONE(sxfer); 2783 break; 2784 #endif 2785 } 2786 return; 2787 } 2788 2789 #if defined(__FreeBSD__) 2790 static void 2791 sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer) 2792 { 2793 int s; 2794 2795 s = splfw(); 2796 sbp_action1(sim->softc, sxfer); 2797 splx(s); 2798 } 2799 #endif 2800 2801 static void 2802 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2803 { 2804 int i; 2805 struct sbp_ocb *ocb; 2806 struct sbp_ocb *prev; 2807 bus_dma_segment_t *s; 2808 2809 if (error) 2810 printf("sbp_execute_ocb: error=%d\n", error); 2811 2812 ocb = (struct sbp_ocb *)arg; 2813 2814 SBP_DEBUG(2) 2815 printf("sbp_execute_ocb: seg %d", seg); 2816 for (i = 0; i < seg; i++) 2817 #if defined(__DragonFly__) || \ 2818 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2819 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2820 #else 2821 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2822 (uintmax_t)segments[i].ds_len); 2823 #endif 2824 printf("\n"); 2825 END_DEBUG 2826 2827 if (seg == 1) { 2828 /* direct pointer */ 2829 s = &segments[0]; 2830 if (s->ds_len > SBP_SEG_MAX) 2831 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2832 ocb->orb[3] = htonl(s->ds_addr); 2833 ocb->orb[4] |= htonl(s->ds_len); 2834 } else if(seg > 1) { 2835 /* page table */ 2836 for (i = 0; i < seg; i++) { 2837 s = &segments[i]; 2838 SBP_DEBUG(0) 2839 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2840 if (s->ds_len < 16) 2841 printf("sbp_execute_ocb: warning, " 2842 #if defined(__DragonFly__) || \ 2843 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2844 "segment length(%d) is less than 16." 2845 #else 2846 "segment length(%jd) is less than 16." 2847 #endif 2848 "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg); 2849 END_DEBUG 2850 if (s->ds_len > SBP_SEG_MAX) 2851 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2852 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2853 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2854 } 2855 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2856 } 2857 2858 if (seg > 0) 2859 fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2860 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2861 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2862 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2863 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2864 if (use_doorbell) { 2865 if (prev == NULL) { 2866 if (ocb->sdev->last_ocb != NULL) 2867 sbp_doorbell(ocb->sdev); 2868 else 2869 sbp_orb_pointer(ocb->sdev, ocb); 2870 } 2871 } else { 2872 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2873 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2874 sbp_orb_pointer(ocb->sdev, ocb); 2875 } 2876 } 2877 } 2878 2879 #if defined(__FreeBSD__) 2880 static void 2881 sbp_poll(struct cam_sim *sim) 2882 { 2883 struct sbp_softc *sbp; 2884 struct firewire_comm *fc; 2885 2886 sbp = (struct sbp_softc *)sim->softc; 2887 fc = sbp->fd.fc; 2888 2889 fc->poll(fc, 0, -1); 2890 2891 return; 2892 } 2893 2894 #endif 2895 static struct sbp_ocb * 2896 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2897 { 2898 struct sbp_ocb *ocb; 2899 struct sbp_ocb *next; 2900 int s = splfw(), order = 0; 2901 int flags; 2902 2903 SBP_DEBUG(1) 2904 sbp_show_sdev_info(sdev, 2); 2905 #if defined(__DragonFly__) || \ 2906 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2907 printf("%s: 0x%08lx src %d\n", 2908 #else 2909 printf("%s: 0x%08x src %d\n", 2910 #endif 2911 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2912 END_DEBUG 2913 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2914 next = STAILQ_NEXT(ocb, ocb); 2915 flags = ocb->flags; 2916 if (OCB_MATCH(ocb, sbp_status)) { 2917 /* found */ 2918 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2919 if (ocb->sxfer != NULL) 2920 #if defined(__DragonFly__) || defined(__NetBSD__) 2921 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 2922 #else 2923 untimeout(sbp_timeout, (void *)ocb, 2924 SCSI_XFER_CALLOUT(ocb->sxfer)); 2925 #endif 2926 if (ntohl(ocb->orb[4]) & 0xffff) { 2927 fw_bus_dmamap_sync(sdev->target->sbp->dmat, 2928 ocb->dmamap, 2929 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2930 BUS_DMASYNC_POSTREAD : 2931 BUS_DMASYNC_POSTWRITE); 2932 fw_bus_dmamap_unload(sdev->target->sbp->dmat, 2933 ocb->dmamap); 2934 } 2935 if (!use_doorbell) { 2936 if (sbp_status->src == SRC_NO_NEXT) { 2937 if (next != NULL) 2938 sbp_orb_pointer(sdev, next); 2939 else if (order > 0) { 2940 /* 2941 * Unordered execution 2942 * We need to send pointer for 2943 * next ORB 2944 */ 2945 sdev->flags |= ORB_LINK_DEAD; 2946 } 2947 } 2948 } else { 2949 /* 2950 * XXX this is not correct for unordered 2951 * execution. 2952 */ 2953 if (sdev->last_ocb != NULL) 2954 sbp_free_ocb(sdev, sdev->last_ocb); 2955 sdev->last_ocb = ocb; 2956 if (next != NULL && 2957 sbp_status->src == SRC_NO_NEXT) 2958 sbp_doorbell(sdev); 2959 } 2960 break; 2961 } else 2962 order ++; 2963 } 2964 splx(s); 2965 SBP_DEBUG(0) 2966 if (ocb && order > 0) { 2967 sbp_show_sdev_info(sdev, 2); 2968 printf("unordered execution order:%d\n", order); 2969 } 2970 END_DEBUG 2971 return (ocb); 2972 } 2973 2974 static struct sbp_ocb * 2975 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2976 { 2977 int s = splfw(); 2978 struct sbp_ocb *prev, *prev2; 2979 2980 SBP_DEBUG(1) 2981 sbp_show_sdev_info(sdev, 2); 2982 #if defined(__DragonFly__) || \ 2983 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2984 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2985 #else 2986 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2987 #endif 2988 END_DEBUG 2989 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2990 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2991 2992 if (ocb->sxfer != NULL) 2993 #if defined(__DragonFly__) || defined(__NetBSD__) 2994 callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer), 2995 mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb); 2996 #else 2997 SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout, 2998 (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer))); 2999 #endif 3000 3001 if (use_doorbell && prev == NULL) 3002 prev2 = sdev->last_ocb; 3003 3004 if (prev2 != NULL) { 3005 SBP_DEBUG(2) 3006 #if defined(__DragonFly__) || \ 3007 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3008 printf("linking chain 0x%x -> 0x%x\n", 3009 prev2->bus_addr, ocb->bus_addr); 3010 #else 3011 printf("linking chain 0x%jx -> 0x%jx\n", 3012 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 3013 #endif 3014 END_DEBUG 3015 prev2->orb[1] = htonl(ocb->bus_addr); 3016 prev2->orb[0] = 0; 3017 } 3018 splx(s); 3019 3020 return prev; 3021 } 3022 3023 static struct sbp_ocb * 3024 sbp_get_ocb(struct sbp_dev *sdev) 3025 { 3026 struct sbp_ocb *ocb; 3027 int s = splfw(); 3028 ocb = STAILQ_FIRST(&sdev->free_ocbs); 3029 if (ocb == NULL) { 3030 sdev->flags |= ORB_SHORTAGE; 3031 printf("ocb shortage!!!\n"); 3032 splx(s); 3033 return NULL; 3034 } 3035 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 3036 splx(s); 3037 ocb->sxfer = NULL; 3038 return (ocb); 3039 } 3040 3041 static void 3042 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 3043 { 3044 ocb->flags = 0; 3045 ocb->sxfer = NULL; 3046 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 3047 if ((sdev->flags & ORB_SHORTAGE) != 0) { 3048 int count; 3049 3050 sdev->flags &= ~ORB_SHORTAGE; 3051 count = sdev->freeze; 3052 sdev->freeze = 0; 3053 SBP_DEVICE_THAW(sdev, count); 3054 } 3055 } 3056 3057 static void 3058 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 3059 { 3060 struct sbp_dev *sdev; 3061 3062 sdev = ocb->sdev; 3063 SBP_DEBUG(0) 3064 sbp_show_sdev_info(sdev, 2); 3065 #if defined(__DragonFly__) || \ 3066 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3067 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 3068 #else 3069 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 3070 #endif 3071 END_DEBUG 3072 SBP_DEBUG(1) 3073 if (ocb->sxfer != NULL) 3074 sbp_print_scsi_cmd(ocb); 3075 END_DEBUG 3076 if (ntohl(ocb->orb[4]) & 0xffff) { 3077 fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 3078 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 3079 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 3080 fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 3081 } 3082 if (ocb->sxfer != NULL) { 3083 #if defined(__DragonFly__ ) || defined(__NetBSD__) 3084 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 3085 #else 3086 untimeout(sbp_timeout, (void *)ocb, 3087 SCSI_XFER_CALLOUT(ocb->sxfer)); 3088 #endif 3089 SCSI_XFER_ERROR(ocb->sxfer) = status; 3090 SCSI_TRANSFER_DONE(ocb->sxfer); 3091 } 3092 sbp_free_ocb(sdev, ocb); 3093 } 3094 3095 static void 3096 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 3097 { 3098 int s; 3099 struct sbp_ocb *ocb, *next; 3100 STAILQ_HEAD(, sbp_ocb) temp; 3101 3102 s = splfw(); 3103 3104 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 3105 STAILQ_INIT(&sdev->ocbs); 3106 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 3107 next = STAILQ_NEXT(ocb, ocb); 3108 sbp_abort_ocb(ocb, status); 3109 } 3110 if (sdev->last_ocb != NULL) { 3111 sbp_free_ocb(sdev, sdev->last_ocb); 3112 sdev->last_ocb = NULL; 3113 } 3114 3115 splx(s); 3116 } 3117 3118 #if defined(__FreeBSD__) 3119 static devclass_t sbp_devclass; 3120 3121 static device_method_t sbp_methods[] = { 3122 /* device interface */ 3123 DEVMETHOD(device_probe, sbp_probe), 3124 DEVMETHOD(device_attach, sbp_attach), 3125 DEVMETHOD(device_detach, sbp_detach), 3126 DEVMETHOD(device_shutdown, sbp_shutdown), 3127 3128 { 0, 0 } 3129 }; 3130 3131 static driver_t sbp_driver = { 3132 "sbp", 3133 sbp_methods, 3134 sizeof(struct sbp_softc), 3135 }; 3136 #ifdef __DragonFly__ 3137 DECLARE_DUMMY_MODULE(sbp); 3138 #endif 3139 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 3140 MODULE_VERSION(sbp, 1); 3141 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 3142 MODULE_DEPEND(sbp, cam, 1, 1, 1); 3143 #elif defined(__NetBSD__) 3144 static void 3145 sbp_scsipi_request( 3146 struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg) 3147 { 3148 int i, s; 3149 struct sbp_softc *sbp = 3150 (struct sbp_softc *)channel->chan_adapter->adapt_dev; 3151 struct scsipi_xfer *xs = arg; 3152 3153 if (debug > 1) 3154 printf("Called sbpscsi_scsipi_request\n"); 3155 3156 switch (req) { 3157 case ADAPTER_REQ_RUN_XFER: 3158 if (debug > 1) { 3159 printf("Got req_run_xfer\n"); 3160 printf("xs control: 0x%08x, timeout: %d\n", 3161 xs->xs_control, xs->timeout); 3162 printf("opcode: 0x%02x\n", (int)xs->cmd->opcode); 3163 for (i = 0; i < 15; i++) 3164 printf("0x%02x ",(int)xs->cmd->bytes[i]); 3165 printf("\n"); 3166 } 3167 if (xs->xs_control & XS_CTL_RESET) { 3168 if (debug > 1) 3169 printf("XS_CTL_RESET not support\n"); 3170 break; 3171 } 3172 #define SBPSCSI_SBP2_MAX_CDB 12 3173 if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) { 3174 if (debug > 0) 3175 printf( 3176 "sbp doesn't support cdb's larger than %d " 3177 "bytes\n", SBPSCSI_SBP2_MAX_CDB); 3178 SCSI_XFER_ERROR(xs) = XS_REQ_INVALID; 3179 SCSI_TRANSFER_DONE(xs); 3180 return; 3181 } 3182 s = splfw(); 3183 sbp_action1(sbp, xs); 3184 splx(s); 3185 3186 break; 3187 case ADAPTER_REQ_GROW_RESOURCES: 3188 if (debug > 1) 3189 printf("Got req_grow_resources\n"); 3190 break; 3191 case ADAPTER_REQ_SET_XFER_MODE: 3192 if (debug > 1) 3193 printf("Got set xfer mode\n"); 3194 break; 3195 default: 3196 panic("Unknown request: %d\n", (int)req); 3197 } 3198 } 3199 3200 static void 3201 sbp_minphys(struct buf *bp) 3202 { 3203 minphys(bp); 3204 } 3205 3206 CFATTACH_DECL(sbp, sizeof (struct sbp_softc), 3207 sbpmatch, sbpattach, sbpdetach, NULL); 3208 #endif 3209
Indexes created Thu Sep 25 16:09:42 GMT 2025