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sys/dev/ieee1394/sbp.c
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1 /* $NetBSD: sbp.c,v 1.13 2006/11/16 01:32:59 christos 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 SBP_DEBUG(0) 867 printf("%s: sec = %ld usec = %ld ticks = %d\n", __func__, 868 t.tv_sec, t.tv_usec, ticks); 869 END_DEBUG 870 callout_reset(&sdev->login_callout, ticks, 871 sbp_login_callout, (void *)(sdev)); 872 } 873 874 static void 875 sbp_probe_target(void *arg) 876 { 877 struct sbp_target *target = (struct sbp_target *)arg; 878 struct sbp_softc *sbp; 879 struct sbp_dev *sdev; 880 struct firewire_comm *fc; 881 int i; 882 883 SBP_DEBUG(1) 884 printf("sbp_probe_target %d\n", target->target_id); 885 END_DEBUG 886 887 sbp = target->sbp; 888 fc = target->sbp->fd.fc; 889 sbp_alloc_lun(target); 890 891 /* XXX untimeout mgm_ocb and dequeue */ 892 for (i=0; i < target->num_lun; i++) { 893 sdev = target->luns[i]; 894 if (sdev == NULL) 895 continue; 896 if (sdev->status != SBP_DEV_DEAD) { 897 if (SBP_DEVICE(sdev) != NULL) { 898 SBP_DEVICE_FREEZE(sdev, 1); 899 sdev->freeze ++; 900 } 901 sbp_probe_lun(sdev); 902 SBP_DEBUG(0) 903 sbp_show_sdev_info(sdev, 904 (sdev->status == SBP_DEV_RESET)); 905 END_DEBUG 906 907 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 908 switch (sdev->status) { 909 case SBP_DEV_RESET: 910 /* new or revived target */ 911 if (auto_login) 912 sbp_login(sdev); 913 break; 914 case SBP_DEV_TOATTACH: 915 case SBP_DEV_PROBE: 916 case SBP_DEV_ATTACHED: 917 case SBP_DEV_RETRY: 918 default: 919 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 920 break; 921 } 922 } else { 923 switch (sdev->status) { 924 case SBP_DEV_ATTACHED: 925 SBP_DEBUG(0) 926 /* the device has gone */ 927 sbp_show_sdev_info(sdev, 2); 928 printf("lost target\n"); 929 END_DEBUG 930 if (SBP_DEVICE(sdev) != NULL) { 931 SBP_DEVICE_FREEZE(sdev, 1); 932 sdev->freeze ++; 933 } 934 sdev->status = SBP_DEV_RETRY; 935 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 936 break; 937 case SBP_DEV_PROBE: 938 case SBP_DEV_TOATTACH: 939 sdev->status = SBP_DEV_RESET; 940 break; 941 case SBP_DEV_RETRY: 942 case SBP_DEV_RESET: 943 case SBP_DEV_DEAD: 944 break; 945 } 946 } 947 } 948 } 949 950 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 951 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 952 953 static void 954 sbp_post_busreset(void *arg) 955 { 956 struct sbp_softc *sbp = (struct sbp_softc *)arg; 957 struct sbp_target *target = &sbp->target; 958 struct fw_device *fwdev = target->fwdev; 959 int alive; 960 961 alive = SBP_FWDEV_ALIVE(fwdev); 962 SBP_DEBUG(0) 963 printf("sbp_post_busreset\n"); 964 if (!alive) 965 printf("not alive\n"); 966 END_DEBUG 967 microtime(&sbp->last_busreset); 968 969 if (!alive) 970 return; 971 972 SBP_BUS_FREEZE(sbp); 973 } 974 975 static void 976 sbp_post_explore(void *arg) 977 { 978 struct sbp_softc *sbp = (struct sbp_softc *)arg; 979 struct sbp_target *target = &sbp->target; 980 struct fw_device *fwdev = target->fwdev; 981 int alive; 982 983 alive = SBP_FWDEV_ALIVE(fwdev); 984 SBP_DEBUG(0) 985 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 986 if (!alive) 987 printf("not alive\n"); 988 END_DEBUG 989 if (!alive) 990 return; 991 992 if (sbp_cold > 0) 993 sbp_cold --; 994 995 #if 0 996 /* 997 * XXX don't let CAM the bus rest. 998 * CAM tries to do something with freezed (DEV_RETRY) devices. 999 */ 1000 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1001 #endif 1002 1003 SBP_DEBUG(0) 1004 printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo); 1005 END_DEBUG 1006 sbp_probe_target((void *)target); 1007 if (target->num_lun == 0) 1008 sbp_free_target(target); 1009 1010 SBP_BUS_THAW(sbp); 1011 } 1012 1013 #if NEED_RESPONSE 1014 static void 1015 sbp_loginres_callback(struct fw_xfer *xfer){ 1016 int s; 1017 struct sbp_dev *sdev; 1018 sdev = (struct sbp_dev *)xfer->sc; 1019 SBP_DEBUG(1) 1020 sbp_show_sdev_info(sdev, 2); 1021 printf("sbp_loginres_callback\n"); 1022 END_DEBUG 1023 /* recycle */ 1024 s = splfw(); 1025 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 1026 splx(s); 1027 return; 1028 } 1029 #endif 1030 1031 static inline void 1032 sbp_xfer_free(struct fw_xfer *xfer) 1033 { 1034 struct sbp_dev *sdev; 1035 int s; 1036 1037 sdev = (struct sbp_dev *)xfer->sc; 1038 fw_xfer_unload(xfer); 1039 s = splfw(); 1040 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 1041 splx(s); 1042 } 1043 1044 static void 1045 sbp_reset_start_callback(struct fw_xfer *xfer) 1046 { 1047 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 1048 struct sbp_target *target = sdev->target; 1049 int i; 1050 1051 if (xfer->resp != 0) { 1052 sbp_show_sdev_info(sdev, 2); 1053 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 1054 } 1055 1056 for (i = 0; i < target->num_lun; i++) { 1057 tsdev = target->luns[i]; 1058 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 1059 sbp_login(tsdev); 1060 } 1061 } 1062 1063 static void 1064 sbp_reset_start(struct sbp_dev *sdev) 1065 { 1066 struct fw_xfer *xfer; 1067 struct fw_pkt *fp; 1068 1069 SBP_DEBUG(0) 1070 sbp_show_sdev_info(sdev, 2); 1071 printf("sbp_reset_start\n"); 1072 END_DEBUG 1073 1074 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1075 xfer->hand = sbp_reset_start_callback; 1076 fp = &xfer->send.hdr; 1077 fp->mode.wreqq.dest_hi = 0xffff; 1078 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 1079 fp->mode.wreqq.data = htonl(0xf); 1080 fw_asyreq(xfer->fc, -1, xfer); 1081 } 1082 1083 static void 1084 sbp_mgm_callback(struct fw_xfer *xfer) 1085 { 1086 struct sbp_dev *sdev; 1087 int resp; 1088 1089 sdev = (struct sbp_dev *)xfer->sc; 1090 1091 SBP_DEBUG(1) 1092 sbp_show_sdev_info(sdev, 2); 1093 printf("sbp_mgm_callback\n"); 1094 END_DEBUG 1095 resp = xfer->resp; 1096 sbp_xfer_free(xfer); 1097 #if 0 1098 if (resp != 0) { 1099 sbp_show_sdev_info(sdev, 2); 1100 printf("management ORB failed(%d) ... RESET_START\n", resp); 1101 sbp_reset_start(sdev); 1102 } 1103 #endif 1104 return; 1105 } 1106 1107 #if defined(__FreeBSD__) 1108 static struct sbp_dev * 1109 sbp_next_dev(struct sbp_target *target, int lun) 1110 { 1111 struct sbp_dev **sdevp; 1112 int i; 1113 1114 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 1115 i++, sdevp++) 1116 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 1117 return(*sdevp); 1118 return(NULL); 1119 } 1120 1121 #define SCAN_PRI 1 1122 static void 1123 sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer) 1124 { 1125 struct sbp_target *target; 1126 struct sbp_dev *sdev; 1127 1128 sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr; 1129 target = sdev->target; 1130 SBP_DEBUG(0) 1131 sbp_show_sdev_info(sdev, 2); 1132 printf("sbp_cam_scan_lun\n"); 1133 END_DEBUG 1134 if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) { 1135 sdev->status = SBP_DEV_ATTACHED; 1136 } else { 1137 sbp_show_sdev_info(sdev, 2); 1138 printf("scan failed\n"); 1139 } 1140 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1141 if (sdev == NULL) { 1142 free(sxfer, M_SBP); 1143 return; 1144 } 1145 /* reuse sxfer */ 1146 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1147 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1148 xpt_action(sxfer); 1149 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1150 sdev->freeze = 1; 1151 } 1152 1153 static void 1154 sbp_cam_scan_target(void *arg) 1155 { 1156 struct sbp_target *target = (struct sbp_target *)arg; 1157 struct sbp_dev *sdev; 1158 sbp_scsi_xfer *sxfer; 1159 1160 sdev = sbp_next_dev(target, 0); 1161 if (sdev == NULL) { 1162 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1163 target->target_id); 1164 return; 1165 } 1166 SBP_DEBUG(0) 1167 sbp_show_sdev_info(sdev, 2); 1168 printf("sbp_cam_scan_target\n"); 1169 END_DEBUG 1170 sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO); 1171 if (sxfer == NULL) { 1172 printf("sbp_cam_scan_target: malloc failed\n"); 1173 return; 1174 } 1175 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1176 sxfer->ccb_h.func_code = XPT_SCAN_LUN; 1177 sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun; 1178 sxfer->ccb_h.flags |= CAM_DEV_QFREEZE; 1179 sxfer->crcn.flags = CAM_FLAG_NONE; 1180 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1181 1182 /* The scan is in progress now. */ 1183 xpt_action(sxfer); 1184 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1185 sdev->freeze = 1; 1186 } 1187 1188 static inline void 1189 sbp_scan_dev(struct sbp_dev *sdev) 1190 { 1191 sdev->status = SBP_DEV_PROBE; 1192 callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1193 sbp_cam_scan_target, (void *)sdev->target); 1194 } 1195 #else 1196 static void 1197 fw_kthread_create0(void *arg) 1198 { 1199 struct sbp_softc *sbp = (struct sbp_softc *)arg; 1200 1201 /* create thread */ 1202 if (kthread_create1(sbp_scsipi_scan_target, 1203 &sbp->target, &sbp->proc, "sbp%d_attach", 1204 device_unit(sbp->fd.dev))) { 1205 1206 device_printf(sbp->fd.dev, "unable to create thread"); 1207 panic("fw_kthread_create"); 1208 } 1209 } 1210 1211 static void 1212 sbp_scsipi_scan_target(void *arg) 1213 { 1214 struct sbp_target *target = (struct sbp_target *)arg; 1215 struct sbp_softc *sbp = target->sbp; 1216 struct sbp_dev *sdev; 1217 struct scsipi_channel *chan = &sbp->sc_channel; 1218 struct scsibus_softc *sc_bus = (struct scsibus_softc *)sbp->sc_bus; 1219 int lun, yet; 1220 1221 do { 1222 tsleep(target, PWAIT|PCATCH, "-", 0); 1223 yet = 0; 1224 1225 for (lun = 0; lun < target->num_lun; lun ++) { 1226 sdev = target->luns[lun]; 1227 if (sdev == NULL) 1228 continue; 1229 if (sdev->status != SBP_DEV_PROBE) { 1230 yet ++; 1231 continue; 1232 } 1233 1234 if (sdev->periph == NULL) { 1235 if (chan->chan_nluns < target->num_lun) 1236 chan->chan_nluns = target->num_lun; 1237 1238 scsi_probe_bus(sc_bus, 1239 target->target_id, sdev->lun_id); 1240 sdev->periph = scsipi_lookup_periph( 1241 chan, target->target_id, lun); 1242 } 1243 sdev->status = SBP_DEV_ATTACHED; 1244 } 1245 } while (yet > 0); 1246 1247 sbp->proc = NULL; 1248 kthread_exit(0); 1249 } 1250 1251 static inline void 1252 sbp_scan_dev(struct sbp_dev *sdev) 1253 { 1254 sdev->status = SBP_DEV_PROBE; 1255 wakeup(sdev->target); 1256 } 1257 #endif 1258 1259 1260 static void 1261 sbp_do_attach(struct fw_xfer *xfer) 1262 { 1263 struct sbp_dev *sdev; 1264 struct sbp_target *target; 1265 struct sbp_softc *sbp; 1266 1267 sdev = (struct sbp_dev *)xfer->sc; 1268 target = sdev->target; 1269 sbp = target->sbp; 1270 1271 SBP_DEBUG(0) 1272 sbp_show_sdev_info(sdev, 2); 1273 printf("sbp_do_attach\n"); 1274 END_DEBUG 1275 sbp_xfer_free(xfer); 1276 1277 #if defined(__FreeBSD__) 1278 if (sdev->path == NULL) 1279 xpt_create_path(&sdev->path, xpt_periph, 1280 cam_sim_path(target->sbp->sim), 1281 target->target_id, sdev->lun_id); 1282 1283 /* 1284 * Let CAM scan the bus if we are in the boot process. 1285 * XXX xpt_scan_bus cannot detect LUN larger than 0 1286 * if LUN 0 doesn't exists. 1287 */ 1288 if (sbp_cold > 0) { 1289 sdev->status = SBP_DEV_ATTACHED; 1290 return; 1291 } 1292 #endif 1293 1294 sbp_scan_dev(sdev); 1295 return; 1296 } 1297 1298 static void 1299 sbp_agent_reset_callback(struct fw_xfer *xfer) 1300 { 1301 struct sbp_dev *sdev; 1302 1303 sdev = (struct sbp_dev *)xfer->sc; 1304 SBP_DEBUG(1) 1305 sbp_show_sdev_info(sdev, 2); 1306 printf("%s\n", __func__); 1307 END_DEBUG 1308 if (xfer->resp != 0) { 1309 sbp_show_sdev_info(sdev, 2); 1310 printf("%s: resp=%d\n", __func__, xfer->resp); 1311 } 1312 1313 sbp_xfer_free(xfer); 1314 if (SBP_DEVICE(sdev)) { 1315 SBP_DEVICE_THAW(sdev, sdev->freeze); 1316 sdev->freeze = 0; 1317 } 1318 } 1319 1320 static void 1321 sbp_agent_reset(struct sbp_dev *sdev) 1322 { 1323 struct fw_xfer *xfer; 1324 struct fw_pkt *fp; 1325 1326 SBP_DEBUG(0) 1327 sbp_show_sdev_info(sdev, 2); 1328 printf("sbp_agent_reset\n"); 1329 END_DEBUG 1330 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1331 if (xfer == NULL) 1332 return; 1333 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1334 xfer->hand = sbp_agent_reset_callback; 1335 else 1336 xfer->hand = sbp_do_attach; 1337 fp = &xfer->send.hdr; 1338 fp->mode.wreqq.data = htonl(0xf); 1339 fw_asyreq(xfer->fc, -1, xfer); 1340 sbp_abort_all_ocbs(sdev, XS_BDR_SENT); 1341 } 1342 1343 static void 1344 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1345 { 1346 struct sbp_dev *sdev; 1347 1348 sdev = (struct sbp_dev *)xfer->sc; 1349 SBP_DEBUG(1) 1350 sbp_show_sdev_info(sdev, 2); 1351 printf("sbp_busy_timeout_callback\n"); 1352 END_DEBUG 1353 sbp_xfer_free(xfer); 1354 sbp_agent_reset(sdev); 1355 } 1356 1357 static void 1358 sbp_busy_timeout(struct sbp_dev *sdev) 1359 { 1360 struct fw_pkt *fp; 1361 struct fw_xfer *xfer; 1362 SBP_DEBUG(0) 1363 sbp_show_sdev_info(sdev, 2); 1364 printf("sbp_busy_timeout\n"); 1365 END_DEBUG 1366 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1367 1368 xfer->hand = sbp_busy_timeout_callback; 1369 fp = &xfer->send.hdr; 1370 fp->mode.wreqq.dest_hi = 0xffff; 1371 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1372 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1373 fw_asyreq(xfer->fc, -1, xfer); 1374 } 1375 1376 static void 1377 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1378 { 1379 struct sbp_dev *sdev; 1380 sdev = (struct sbp_dev *)xfer->sc; 1381 1382 SBP_DEBUG(1) 1383 sbp_show_sdev_info(sdev, 2); 1384 printf("%s\n", __func__); 1385 END_DEBUG 1386 if (xfer->resp != 0) { 1387 /* XXX */ 1388 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1389 } 1390 sbp_xfer_free(xfer); 1391 sdev->flags &= ~ORB_POINTER_ACTIVE; 1392 1393 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1394 struct sbp_ocb *ocb; 1395 1396 sdev->flags &= ~ORB_POINTER_NEED; 1397 ocb = STAILQ_FIRST(&sdev->ocbs); 1398 if (ocb != NULL) 1399 sbp_orb_pointer(sdev, ocb); 1400 } 1401 return; 1402 } 1403 1404 static void 1405 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1406 { 1407 struct fw_xfer *xfer; 1408 struct fw_pkt *fp; 1409 SBP_DEBUG(1) 1410 sbp_show_sdev_info(sdev, 2); 1411 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1412 END_DEBUG 1413 1414 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1415 SBP_DEBUG(0) 1416 printf("%s: orb pointer active\n", __func__); 1417 END_DEBUG 1418 sdev->flags |= ORB_POINTER_NEED; 1419 return; 1420 } 1421 1422 sdev->flags |= ORB_POINTER_ACTIVE; 1423 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1424 if (xfer == NULL) 1425 return; 1426 xfer->hand = sbp_orb_pointer_callback; 1427 1428 fp = &xfer->send.hdr; 1429 fp->mode.wreqb.len = 8; 1430 fp->mode.wreqb.extcode = 0; 1431 xfer->send.payload[0] = 1432 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1433 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1434 1435 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1436 sbp_xfer_free(xfer); 1437 SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID; 1438 SCSI_TRANSFER_DONE(ocb->sxfer); 1439 } 1440 } 1441 1442 static void 1443 sbp_doorbell_callback(struct fw_xfer *xfer) 1444 { 1445 struct sbp_dev *sdev; 1446 sdev = (struct sbp_dev *)xfer->sc; 1447 1448 SBP_DEBUG(1) 1449 sbp_show_sdev_info(sdev, 2); 1450 printf("sbp_doorbell_callback\n"); 1451 END_DEBUG 1452 if (xfer->resp != 0) { 1453 /* XXX */ 1454 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1455 } 1456 sbp_xfer_free(xfer); 1457 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1458 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1459 sdev->flags &= ~ORB_DOORBELL_NEED; 1460 sbp_doorbell(sdev); 1461 } 1462 return; 1463 } 1464 1465 static void 1466 sbp_doorbell(struct sbp_dev *sdev) 1467 { 1468 struct fw_xfer *xfer; 1469 struct fw_pkt *fp; 1470 SBP_DEBUG(1) 1471 sbp_show_sdev_info(sdev, 2); 1472 printf("sbp_doorbell\n"); 1473 END_DEBUG 1474 1475 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1476 sdev->flags |= ORB_DOORBELL_NEED; 1477 return; 1478 } 1479 sdev->flags |= ORB_DOORBELL_ACTIVE; 1480 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1481 if (xfer == NULL) 1482 return; 1483 xfer->hand = sbp_doorbell_callback; 1484 fp = &xfer->send.hdr; 1485 fp->mode.wreqq.data = htonl(0xf); 1486 fw_asyreq(xfer->fc, -1, xfer); 1487 } 1488 1489 static struct fw_xfer * 1490 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1491 { 1492 struct fw_xfer *xfer; 1493 struct fw_pkt *fp; 1494 struct sbp_target *target; 1495 int s, new = 0; 1496 1497 target = sdev->target; 1498 s = splfw(); 1499 xfer = STAILQ_FIRST(&target->xferlist); 1500 if (xfer == NULL) { 1501 if (target->n_xfer > 5 /* XXX */) { 1502 printf("sbp: no more xfer for this target\n"); 1503 splx(s); 1504 return(NULL); 1505 } 1506 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1507 if(xfer == NULL){ 1508 printf("sbp: fw_xfer_alloc_buf failed\n"); 1509 splx(s); 1510 return NULL; 1511 } 1512 target->n_xfer ++; 1513 if (debug) 1514 printf("sbp: alloc %d xfer\n", target->n_xfer); 1515 new = 1; 1516 } else { 1517 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1518 } 1519 splx(s); 1520 1521 microtime(&xfer->tv); 1522 1523 if (new) { 1524 xfer->recv.pay_len = 0; 1525 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1526 xfer->fc = sdev->target->sbp->fd.fc; 1527 } 1528 1529 if (tcode == FWTCODE_WREQB) 1530 xfer->send.pay_len = 8; 1531 else 1532 xfer->send.pay_len = 0; 1533 1534 xfer->sc = (caddr_t)sdev; 1535 fp = &xfer->send.hdr; 1536 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1537 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1538 fp->mode.wreqq.tlrt = 0; 1539 fp->mode.wreqq.tcode = tcode; 1540 fp->mode.wreqq.pri = 0; 1541 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1542 1543 return xfer; 1544 1545 } 1546 1547 static void 1548 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1549 { 1550 struct fw_xfer *xfer; 1551 struct fw_pkt *fp; 1552 struct sbp_ocb *ocb; 1553 struct sbp_target *target; 1554 int s, nid, dv_unit; 1555 1556 target = sdev->target; 1557 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1558 dv_unit = device_get_unit(target->sbp->fd.dev); 1559 1560 s = splfw(); 1561 if (func == ORB_FUN_RUNQUEUE) { 1562 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1563 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1564 splx(s); 1565 return; 1566 } 1567 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1568 goto start; 1569 } 1570 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1571 splx(s); 1572 /* XXX */ 1573 return; 1574 } 1575 ocb->flags = OCB_ACT_MGM; 1576 ocb->sdev = sdev; 1577 1578 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1579 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1580 ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id)); 1581 1582 SBP_DEBUG(0) 1583 sbp_show_sdev_info(sdev, 2); 1584 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1585 END_DEBUG 1586 switch (func) { 1587 case ORB_FUN_LGI: 1588 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1589 ocb->orb[2] = htonl(nid << 16); 1590 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1591 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1592 if (ex_login) 1593 ocb->orb[4] |= htonl(ORB_EXV); 1594 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1595 break; 1596 case ORB_FUN_ATA: 1597 ocb->orb[0] = htonl((0 << 16) | 0); 1598 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1599 /* fall through */ 1600 case ORB_FUN_RCN: 1601 case ORB_FUN_LGO: 1602 case ORB_FUN_LUR: 1603 case ORB_FUN_RST: 1604 case ORB_FUN_ATS: 1605 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1606 break; 1607 } 1608 1609 if (target->mgm_ocb_cur != NULL) { 1610 /* there is a standing ORB */ 1611 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1612 splx(s); 1613 return; 1614 } 1615 start: 1616 target->mgm_ocb_cur = ocb; 1617 splx(s); 1618 1619 callout_reset(&target->mgm_ocb_timeout, 5*hz, 1620 sbp_mgm_timeout, (caddr_t)ocb); 1621 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1622 if(xfer == NULL){ 1623 return; 1624 } 1625 xfer->hand = sbp_mgm_callback; 1626 1627 fp = &xfer->send.hdr; 1628 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1629 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1630 fp->mode.wreqb.len = 8; 1631 fp->mode.wreqb.extcode = 0; 1632 xfer->send.payload[0] = htonl(nid << 16); 1633 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1634 SBP_DEBUG(0) 1635 sbp_show_sdev_info(sdev, 2); 1636 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1637 END_DEBUG 1638 1639 /* cache writeback & invalidate(required ORB_FUN_LGI func) */ 1640 /* when abort_ocb, should sync POST ope ? */ 1641 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1642 fw_asyreq(xfer->fc, -1, xfer); 1643 } 1644 1645 static void 1646 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1647 { 1648 #if defined(__FreeBSD__) 1649 struct ccb_scsiio *csio; 1650 1651 csio = &ocb->sxfer->csio; 1652 #endif 1653 printf("%s:%d:%d XPT_SCSI_IO: " 1654 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1655 ", flags: 0x%02x, " 1656 "%db cmd/%db data/%db sense\n", 1657 device_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1658 SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer), 1659 SCSI_XFER_10BCMD_DUMP(ocb->sxfer), 1660 SCSI_XFER_DIR(ocb->sxfer), 1661 SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer), 1662 SCSI_XFER_SENSELEN(ocb->sxfer)); 1663 } 1664 1665 static void 1666 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1667 { 1668 struct sbp_cmd_status *sbp_cmd_status; 1669 scsi3_sense_data_t sense = 1670 (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer); 1671 1672 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1673 1674 SBP_DEBUG(0) 1675 sbp_print_scsi_cmd(ocb); 1676 /* XXX need decode status */ 1677 sbp_show_sdev_info(ocb->sdev, 2); 1678 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1679 sbp_cmd_status->status, 1680 sbp_cmd_status->sfmt, 1681 sbp_cmd_status->valid, 1682 sbp_cmd_status->s_key, 1683 sbp_cmd_status->s_code, 1684 sbp_cmd_status->s_qlfr, 1685 sbp_status->len 1686 ); 1687 END_DEBUG 1688 1689 switch (sbp_cmd_status->status) { 1690 case SCSI_STATUS_CHECK_COND: 1691 case SCSI_STATUS_BUSY: 1692 case SCSI_STATUS_CMD_TERMINATED: 1693 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1694 sense->response_code = SSD_CURRENT_ERROR; 1695 }else{ 1696 sense->response_code = SSD_DEFERRED_ERROR; 1697 } 1698 if(sbp_cmd_status->valid) 1699 sense->response_code |= SSD_RESPONSE_CODE_VALID; 1700 sense->flags = sbp_cmd_status->s_key; 1701 if(sbp_cmd_status->mark) 1702 sense->flags |= SSD_FILEMARK; 1703 if(sbp_cmd_status->eom) 1704 sense->flags |= SSD_EOM; 1705 if(sbp_cmd_status->ill_len) 1706 sense->flags |= SSD_ILI; 1707 1708 bcopy(&sbp_cmd_status->info, &sense->information[0], 4); 1709 1710 if (sbp_status->len <= 1) 1711 /* XXX not scsi status. shouldn't be happened */ 1712 sense->asl = 0; 1713 else if (sbp_status->len <= 4) 1714 /* add_sense_code(_qual), info, cmd_spec_info */ 1715 sense->asl = 6; 1716 else 1717 /* fru, sense_key_spec */ 1718 sense->asl = 10; 1719 1720 bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4); 1721 1722 sense->asc = sbp_cmd_status->s_code; 1723 sense->ascq = sbp_cmd_status->s_qlfr; 1724 sense->fruc = sbp_cmd_status->fru; 1725 1726 bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3); 1727 SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE; 1728 SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status; 1729 /* 1730 { 1731 uint8_t j, *tmp; 1732 tmp = sense; 1733 for( j = 0 ; j < 32 ; j+=8){ 1734 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1735 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1736 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1737 } 1738 1739 } 1740 */ 1741 break; 1742 default: 1743 sbp_show_sdev_info(ocb->sdev, 2); 1744 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1745 sbp_cmd_status->status); 1746 } 1747 } 1748 1749 static void 1750 sbp_fix_inq_data(struct sbp_ocb *ocb) 1751 { 1752 sbp_scsi_xfer *sxfer = ocb->sxfer; 1753 struct sbp_dev *sdev; 1754 scsi3_inquiry_data_t inq = 1755 (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer); 1756 sdev = ocb->sdev; 1757 1758 if (SCSI_XFER_EVPD(sxfer)) 1759 return; 1760 SBP_DEBUG(1) 1761 sbp_show_sdev_info(sdev, 2); 1762 printf("sbp_fix_inq_data\n"); 1763 END_DEBUG 1764 switch (inq->device & SID_TYPE) { 1765 case T_DIRECT: 1766 #if 0 1767 /* 1768 * XXX Convert Direct Access device to RBC. 1769 * I've never seen FireWire DA devices which support READ_6. 1770 */ 1771 if ((inq->device & SID_TYPE) == T_DIRECT) 1772 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1773 #endif 1774 /* fall through */ 1775 case T_RBC: 1776 /* 1777 * Override vendor/product/revision information. 1778 * Some devices sometimes return strange strings. 1779 */ 1780 #if 1 1781 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1782 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1783 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1784 #endif 1785 break; 1786 } 1787 /* 1788 * Force to enable/disable tagged queuing. 1789 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1790 */ 1791 if (sbp_tags > 0) 1792 inq->flags[1] |= SID_CmdQue; 1793 else if (sbp_tags < 0) 1794 inq->flags[1] &= ~SID_CmdQue; 1795 1796 } 1797 1798 static void 1799 sbp_recv1(struct fw_xfer *xfer) 1800 { 1801 struct fw_pkt *rfp; 1802 #if NEED_RESPONSE 1803 struct fw_pkt *sfp; 1804 #endif 1805 struct sbp_softc *sbp; 1806 struct sbp_dev *sdev; 1807 struct sbp_ocb *ocb; 1808 struct sbp_login_res *login_res = NULL; 1809 struct sbp_status *sbp_status; 1810 struct sbp_target *target; 1811 int orb_fun, status_valid0, status_valid, l, reset_agent = 0; 1812 uint32_t addr; 1813 /* 1814 uint32_t *ld; 1815 ld = xfer->recv.buf; 1816 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1817 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1818 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1819 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1820 */ 1821 sbp = (struct sbp_softc *)xfer->sc; 1822 if (xfer->resp != 0){ 1823 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1824 goto done0; 1825 } 1826 if (xfer->recv.payload == NULL){ 1827 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1828 goto done0; 1829 } 1830 rfp = &xfer->recv.hdr; 1831 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1832 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1833 goto done0; 1834 } 1835 sbp_status = (struct sbp_status *)xfer->recv.payload; 1836 addr = rfp->mode.wreqb.dest_lo; 1837 SBP_DEBUG(2) 1838 printf("received address 0x%x\n", addr); 1839 END_DEBUG 1840 target = &sbp->target; 1841 l = SBP_ADDR2LUN(addr); 1842 if (l >= target->num_lun || target->luns[l] == NULL) { 1843 device_printf(sbp->fd.dev, 1844 "sbp_recv1: invalid lun %d (target=%d)\n", 1845 l, target->target_id); 1846 goto done0; 1847 } 1848 sdev = target->luns[l]; 1849 1850 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1851 1852 ocb = NULL; 1853 switch (sbp_status->src) { 1854 case SRC_NEXT_EXISTS: 1855 case SRC_NO_NEXT: 1856 /* check mgm_ocb_cur first */ 1857 ocb = target->mgm_ocb_cur; 1858 if (ocb != NULL) { 1859 if (OCB_MATCH(ocb, sbp_status)) { 1860 callout_stop(&target->mgm_ocb_timeout); 1861 target->mgm_ocb_cur = NULL; 1862 break; 1863 } 1864 } 1865 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1866 if (ocb == NULL) { 1867 sbp_show_sdev_info(sdev, 2); 1868 #if defined(__DragonFly__) || \ 1869 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1870 printf("No ocb(%lx) on the queue\n", 1871 #else 1872 printf("No ocb(%x) on the queue\n", 1873 #endif 1874 ntohl(sbp_status->orb_lo)); 1875 } 1876 break; 1877 case SRC_UNSOL: 1878 /* unsolicit */ 1879 sbp_show_sdev_info(sdev, 2); 1880 printf("unsolicit status received\n"); 1881 break; 1882 default: 1883 sbp_show_sdev_info(sdev, 2); 1884 printf("unknown sbp_status->src\n"); 1885 } 1886 1887 status_valid0 = (sbp_status->src < 2 1888 && sbp_status->resp == SBP_REQ_CMP 1889 && sbp_status->dead == 0); 1890 status_valid = (status_valid0 && sbp_status->status == 0); 1891 1892 if (!status_valid0 || debug > 2){ 1893 int status; 1894 SBP_DEBUG(0) 1895 sbp_show_sdev_info(sdev, 2); 1896 printf("ORB status src:%x resp:%x dead:%x" 1897 #if defined(__DragonFly__) || \ 1898 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1899 " len:%x stat:%x orb:%x%08lx\n", 1900 #else 1901 " len:%x stat:%x orb:%x%08x\n", 1902 #endif 1903 sbp_status->src, sbp_status->resp, sbp_status->dead, 1904 sbp_status->len, sbp_status->status, 1905 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1906 END_DEBUG 1907 sbp_show_sdev_info(sdev, 2); 1908 status = sbp_status->status; 1909 switch(sbp_status->resp) { 1910 case SBP_REQ_CMP: 1911 if (status > MAX_ORB_STATUS0) 1912 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1913 else 1914 printf("%s\n", orb_status0[status]); 1915 break; 1916 case SBP_TRANS_FAIL: 1917 printf("Obj: %s, Error: %s\n", 1918 orb_status1_object[(status>>6) & 3], 1919 orb_status1_serial_bus_error[status & 0xf]); 1920 break; 1921 case SBP_ILLE_REQ: 1922 printf("Illegal request\n"); 1923 break; 1924 case SBP_VEND_DEP: 1925 printf("Vendor dependent\n"); 1926 break; 1927 default: 1928 printf("unknown respose code %d\n", sbp_status->resp); 1929 } 1930 } 1931 1932 /* we have to reset the fetch agent if it's dead */ 1933 if (sbp_status->dead) { 1934 if (SBP_DEVICE(sdev) != NULL) { 1935 SBP_DEVICE_FREEZE(sdev, 1); 1936 sdev->freeze ++; 1937 } 1938 reset_agent = 1; 1939 } 1940 1941 if (ocb == NULL) 1942 goto done; 1943 1944 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1945 case ORB_FMT_NOP: 1946 break; 1947 case ORB_FMT_VED: 1948 break; 1949 case ORB_FMT_STD: 1950 switch(ocb->flags) { 1951 case OCB_ACT_MGM: 1952 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1953 reset_agent = 0; 1954 switch(orb_fun) { 1955 case ORB_FUN_LGI: 1956 login_res = sdev->login; 1957 login_res->len = ntohs(login_res->len); 1958 login_res->id = ntohs(login_res->id); 1959 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1960 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1961 if (status_valid) { 1962 SBP_DEBUG(0) 1963 sbp_show_sdev_info(sdev, 2); 1964 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)); 1965 END_DEBUG 1966 sbp_busy_timeout(sdev); 1967 } else { 1968 /* forgot logout? */ 1969 sbp_show_sdev_info(sdev, 2); 1970 printf("login failed\n"); 1971 sdev->status = SBP_DEV_RESET; 1972 } 1973 break; 1974 case ORB_FUN_RCN: 1975 login_res = sdev->login; 1976 if (status_valid) { 1977 SBP_DEBUG(0) 1978 sbp_show_sdev_info(sdev, 2); 1979 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1980 END_DEBUG 1981 #if 1 1982 #if defined(__FreeBSD__) 1983 if (sdev->status == SBP_DEV_ATTACHED) 1984 sbp_scan_dev(sdev); 1985 else 1986 #endif 1987 sbp_agent_reset(sdev); 1988 #else 1989 sdev->status = SBP_DEV_ATTACHED; 1990 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 1991 #endif 1992 } else { 1993 /* reconnection hold time exceed? */ 1994 SBP_DEBUG(0) 1995 sbp_show_sdev_info(sdev, 2); 1996 printf("reconnect failed\n"); 1997 END_DEBUG 1998 sbp_login(sdev); 1999 } 2000 break; 2001 case ORB_FUN_LGO: 2002 sdev->status = SBP_DEV_RESET; 2003 break; 2004 case ORB_FUN_RST: 2005 sbp_busy_timeout(sdev); 2006 break; 2007 case ORB_FUN_LUR: 2008 case ORB_FUN_ATA: 2009 case ORB_FUN_ATS: 2010 sbp_agent_reset(sdev); 2011 break; 2012 default: 2013 sbp_show_sdev_info(sdev, 2); 2014 printf("unknown function %d\n", orb_fun); 2015 break; 2016 } 2017 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2018 break; 2019 case OCB_ACT_CMD: 2020 sdev->timeout = 0; 2021 if(ocb->sxfer != NULL){ 2022 sbp_scsi_xfer *sxfer = ocb->sxfer; 2023 /* 2024 uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer); 2025 if(ld != NULL && 2026 SCSI_XFER_DATALEN(ocb->sxfer) != 0) 2027 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 2028 else 2029 printf("ptr NULL\n"); 2030 printf("len %d\n", sbp_status->len); 2031 */ 2032 if(sbp_status->len > 1){ 2033 sbp_scsi_status(sbp_status, ocb); 2034 }else{ 2035 if(sbp_status->resp != SBP_REQ_CMP){ 2036 SCSI_XFER_ERROR(sxfer) = 2037 XS_REQ_CMP_ERR; 2038 }else{ 2039 SCSI_XFER_ERROR(sxfer) = 2040 XS_REQ_CMP; 2041 SCSI_XFER_REQUEST_COMPLETE( 2042 sxfer); 2043 } 2044 } 2045 /* fix up inq data */ 2046 if (SCSI_XFER_OPECODE(sxfer) == INQUIRY) 2047 sbp_fix_inq_data(ocb); 2048 SCSI_TRANSFER_DONE(sxfer); 2049 } 2050 break; 2051 default: 2052 break; 2053 } 2054 } 2055 2056 if (!use_doorbell) 2057 sbp_free_ocb(sdev, ocb); 2058 done: 2059 if (reset_agent) 2060 sbp_agent_reset(sdev); 2061 2062 done0: 2063 xfer->recv.pay_len = SBP_RECV_LEN; 2064 /* The received packet is usually small enough to be stored within 2065 * the buffer. In that case, the controller return ack_complete and 2066 * no respose is necessary. 2067 * 2068 * XXX fwohci.c and firewire.c should inform event_code such as 2069 * ack_complete or ack_pending to upper driver. 2070 */ 2071 #if NEED_RESPONSE 2072 xfer->send.off = 0; 2073 sfp = (struct fw_pkt *)xfer->send.buf; 2074 sfp->mode.wres.dst = rfp->mode.wreqb.src; 2075 xfer->dst = sfp->mode.wres.dst; 2076 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 2077 xfer->hand = sbp_loginres_callback; 2078 2079 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 2080 sfp->mode.wres.tcode = FWTCODE_WRES; 2081 sfp->mode.wres.rtcode = 0; 2082 sfp->mode.wres.pri = 0; 2083 2084 fw_asyreq(xfer->fc, -1, xfer); 2085 #else 2086 /* recycle */ 2087 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 2088 #endif 2089 2090 return; 2091 2092 } 2093 2094 static void 2095 sbp_recv(struct fw_xfer *xfer) 2096 { 2097 int s; 2098 2099 s = splfwsbp(); 2100 sbp_recv1(xfer); 2101 splx(s); 2102 } 2103 /* 2104 * sbp_attach() 2105 */ 2106 FW_ATTACH(sbp) 2107 { 2108 FW_ATTACH_START(sbp, sbp, fwa); 2109 int dv_unit, error, s; 2110 SBP_ATTACH_START; 2111 2112 SBP_DEBUG(0) 2113 printf("sbp_attach (cold=%d)\n", cold); 2114 END_DEBUG 2115 2116 if (cold) 2117 sbp_cold ++; 2118 sbp->fd.fc = fwa->fc; 2119 2120 if (max_speed < 0) 2121 max_speed = sbp->fd.fc->speed; 2122 2123 error = fw_bus_dma_tag_create(/*parent*/sbp->fd.fc->dmat, 2124 /* XXX shoud be 4 for sane backend? */ 2125 /*alignment*/1, 2126 /*boundary*/0, 2127 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2128 /*highaddr*/BUS_SPACE_MAXADDR, 2129 /*filter*/NULL, /*filterarg*/NULL, 2130 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2131 /*maxsegsz*/SBP_SEG_MAX, 2132 /*flags*/BUS_DMA_ALLOCNOW, 2133 /*lockfunc*/busdma_lock_mutex, 2134 /*lockarg*/&Giant, 2135 &sbp->dmat); 2136 if (error != 0) { 2137 printf("sbp_attach: Could not allocate DMA tag " 2138 "- error %d\n", error); 2139 FW_ATTACH_RETURN(ENOMEM); 2140 } 2141 2142 #if defined(__FreeBSD__) 2143 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 2144 if (devq == NULL) 2145 return (ENXIO); 2146 #endif 2147 2148 sbp->target.fwdev = NULL; 2149 sbp->target.luns = NULL; 2150 2151 if (sbp_alloc_target(sbp, fwa->fwdev) == NULL) 2152 FW_ATTACH_RETURN(ENXIO); 2153 2154 SBP_SCSIBUS_ATTACH; 2155 2156 /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */ 2157 dv_unit = device_get_unit(sbp->fd.dev); 2158 sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0); 2159 sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1); 2160 /* pre-allocate xfer */ 2161 STAILQ_INIT(&sbp->fwb.xferlist); 2162 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2163 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2164 sbp->fd.fc, (void *)sbp, sbp_recv); 2165 fw_bindadd(sbp->fd.fc, &sbp->fwb); 2166 2167 sbp->fd.post_busreset = sbp_post_busreset; 2168 sbp->fd.post_explore = sbp_post_explore; 2169 2170 if (sbp->fd.fc->status != -1) { 2171 s = splfw(); 2172 sbp_post_busreset((void *)sbp); 2173 sbp_post_explore((void *)sbp); 2174 splx(s); 2175 } 2176 2177 FW_ATTACH_RETURN(0); 2178 #if defined(__FreeBSD__) 2179 fail: 2180 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2181 return (ENXIO); 2182 #endif 2183 } 2184 2185 static int 2186 sbp_logout_all(struct sbp_softc *sbp) 2187 { 2188 struct sbp_target *target; 2189 struct sbp_dev *sdev; 2190 int i; 2191 2192 SBP_DEBUG(0) 2193 printf("sbp_logout_all\n"); 2194 END_DEBUG 2195 target = &sbp->target; 2196 if (target->luns != NULL) 2197 for (i = 0; i < target->num_lun; i++) { 2198 sdev = target->luns[i]; 2199 if (sdev == NULL) 2200 continue; 2201 callout_stop(&sdev->login_callout); 2202 if (sdev->status >= SBP_DEV_TOATTACH && 2203 sdev->status <= SBP_DEV_ATTACHED) 2204 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2205 } 2206 2207 return 0; 2208 } 2209 2210 #if defined(__FreeBSD__) 2211 static int 2212 sbp_shutdown(device_t dev) 2213 { 2214 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2215 2216 sbp_logout_all(sbp); 2217 return (0); 2218 } 2219 #endif 2220 2221 static void 2222 sbp_free_sdev(struct sbp_dev *sdev) 2223 { 2224 int i; 2225 2226 if (sdev == NULL) 2227 return; 2228 for (i = 0; i < SBP_QUEUE_LEN; i++) 2229 fw_bus_dmamap_destroy(sdev->target->sbp->dmat, 2230 sdev->ocb[i].dmamap); 2231 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2232 free(sdev, M_SBP); 2233 } 2234 2235 static void 2236 sbp_free_target(struct sbp_target *target) 2237 { 2238 struct sbp_softc *sbp; 2239 struct fw_xfer *xfer, *next; 2240 int i; 2241 2242 if (target->luns == NULL) 2243 return; 2244 callout_stop(&target->mgm_ocb_timeout); 2245 sbp = target->sbp; 2246 for (i = 0; i < target->num_lun; i++) 2247 sbp_free_sdev(target->luns[i]); 2248 2249 for (xfer = STAILQ_FIRST(&target->xferlist); 2250 xfer != NULL; xfer = next) { 2251 next = STAILQ_NEXT(xfer, link); 2252 fw_xfer_free_buf(xfer); 2253 } 2254 STAILQ_INIT(&target->xferlist); 2255 free(target->luns, M_SBP); 2256 target->num_lun = 0;; 2257 target->luns = NULL; 2258 target->fwdev = NULL; 2259 } 2260 2261 FW_DETACH(sbp) 2262 { 2263 FW_DETACH_START(sbp, sbp); 2264 struct firewire_comm *fc = sbp->fd.fc; 2265 int i; 2266 2267 SBP_DEBUG(0) 2268 printf("sbp_detach\n"); 2269 END_DEBUG 2270 2271 SBP_DETACH_TARGET(&sbp->target); 2272 #if defined(__FreeBSD__) 2273 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2274 xpt_free_path(sbp->path); 2275 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2276 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2277 #endif 2278 2279 sbp_logout_all(sbp); 2280 2281 /* XXX wait for logout completion */ 2282 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2283 2284 sbp_free_target(&sbp->target); 2285 2286 fw_bindremove(fc, &sbp->fwb); 2287 fw_xferlist_remove(&sbp->fwb.xferlist); 2288 2289 fw_bus_dma_tag_destroy(sbp->dmat); 2290 2291 return (0); 2292 } 2293 2294 #if defined(__FreeBSD__) 2295 static void 2296 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2297 { 2298 if (sdev == NULL) 2299 return; 2300 if (sdev->status == SBP_DEV_DEAD) 2301 return; 2302 if (sdev->status == SBP_DEV_RESET) 2303 return; 2304 if (sdev->path) { 2305 xpt_release_devq(sdev->path, 2306 sdev->freeze, TRUE); 2307 sdev->freeze = 0; 2308 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2309 xpt_free_path(sdev->path); 2310 sdev->path = NULL; 2311 } 2312 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2313 } 2314 2315 static void 2316 sbp_cam_detach_target(struct sbp_target *target) 2317 { 2318 int i; 2319 2320 if (target->luns != NULL) { 2321 SBP_DEBUG(0) 2322 printf("sbp_detach_target %d\n", target->target_id); 2323 END_DEBUG 2324 callout_stop(&target->scan_callout); 2325 for (i = 0; i < target->num_lun; i++) 2326 sbp_cam_detach_sdev(target->luns[i]); 2327 } 2328 } 2329 #elif defined(__NetBSD__) 2330 static void 2331 sbp_scsipi_detach_sdev(struct sbp_dev *sdev) 2332 { 2333 struct sbp_target *target; 2334 struct sbp_softc *sbp; 2335 2336 if (sdev == NULL) 2337 return; 2338 2339 target = sdev->target; 2340 if (target == NULL) 2341 return; 2342 2343 sbp = target->sbp; 2344 2345 if (sdev->status == SBP_DEV_DEAD) 2346 return; 2347 if (sdev->status == SBP_DEV_RESET) 2348 return; 2349 if (sdev->periph) { 2350 scsipi_periph_thaw(sdev->periph, sdev->freeze); 2351 scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */ 2352 sdev->freeze = 0; 2353 if (scsipi_target_detach(&sbp->sc_channel, 2354 target->target_id, sdev->lun_id, DETACH_FORCE) != 0) { 2355 sbp_show_sdev_info(sdev, 2); 2356 printf("detach failed\n"); 2357 } 2358 sdev->periph = NULL; 2359 } 2360 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2361 } 2362 2363 static void 2364 sbp_scsipi_detach_target(struct sbp_target *target) 2365 { 2366 struct sbp_softc *sbp = target->sbp; 2367 int i; 2368 2369 if (target->luns != NULL) { 2370 SBP_DEBUG(0) 2371 printf("sbp_detach_target %d\n", target->target_id); 2372 END_DEBUG 2373 callout_stop(&target->scan_callout); 2374 for (i = 0; i < target->num_lun; i++) 2375 sbp_scsipi_detach_sdev(target->luns[i]); 2376 if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0) 2377 device_printf(sbp->fd.dev, "%d detach failed\n", 2378 target->target_id); 2379 sbp->sc_bus = NULL; 2380 } 2381 } 2382 #endif 2383 2384 static void 2385 sbp_target_reset(struct sbp_dev *sdev, int method) 2386 { 2387 int i; 2388 struct sbp_target *target = sdev->target; 2389 struct sbp_dev *tsdev; 2390 2391 for (i = 0; i < target->num_lun; i++) { 2392 tsdev = target->luns[i]; 2393 if (tsdev == NULL) 2394 continue; 2395 if (tsdev->status == SBP_DEV_DEAD) 2396 continue; 2397 if (tsdev->status == SBP_DEV_RESET) 2398 continue; 2399 SBP_DEVICE_FREEZE(tsdev, 1); 2400 tsdev->freeze ++; 2401 sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT); 2402 if (method == 2) 2403 tsdev->status = SBP_DEV_LOGIN; 2404 } 2405 switch(method) { 2406 case 1: 2407 printf("target reset\n"); 2408 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2409 break; 2410 case 2: 2411 printf("reset start\n"); 2412 sbp_reset_start(sdev); 2413 break; 2414 } 2415 2416 } 2417 2418 static void 2419 sbp_mgm_timeout(void *arg) 2420 { 2421 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2422 struct sbp_dev *sdev = ocb->sdev; 2423 struct sbp_target *target = sdev->target; 2424 2425 sbp_show_sdev_info(sdev, 2); 2426 printf("request timeout(mgm orb:0x%08x) ... ", 2427 (uint32_t)ocb->bus_addr); 2428 target->mgm_ocb_cur = NULL; 2429 sbp_free_ocb(sdev, ocb); 2430 #if 0 2431 /* XXX */ 2432 printf("run next request\n"); 2433 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2434 #endif 2435 #if 1 2436 printf("reset start\n"); 2437 sbp_reset_start(sdev); 2438 #endif 2439 } 2440 2441 static void 2442 sbp_timeout(void *arg) 2443 { 2444 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2445 struct sbp_dev *sdev = ocb->sdev; 2446 2447 sbp_show_sdev_info(sdev, 2); 2448 printf("request timeout(cmd orb:0x%08x) ... ", 2449 (uint32_t)ocb->bus_addr); 2450 2451 sdev->timeout ++; 2452 switch(sdev->timeout) { 2453 case 1: 2454 printf("agent reset\n"); 2455 SBP_DEVICE_FREEZE(sdev, 1); 2456 sdev->freeze ++; 2457 sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT); 2458 sbp_agent_reset(sdev); 2459 break; 2460 case 2: 2461 case 3: 2462 sbp_target_reset(sdev, sdev->timeout - 1); 2463 break; 2464 #if 0 2465 default: 2466 /* XXX give up */ 2467 SBP_DETACH_TARGET(target); 2468 if (target->luns != NULL) 2469 free(target->luns, M_SBP); 2470 target->num_lun = 0;; 2471 target->luns = NULL; 2472 target->fwdev = NULL; 2473 #endif 2474 } 2475 } 2476 2477 static void 2478 sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer) 2479 { 2480 2481 struct sbp_target *target = NULL; 2482 struct sbp_dev *sdev = NULL; 2483 2484 /* target:lun -> sdev mapping */ 2485 if (sbp != NULL) { 2486 target = &sbp->target; 2487 if (target->fwdev != NULL 2488 && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer)) 2489 && SCSI_XFER_LUN(sxfer) < target->num_lun) { 2490 sdev = target->luns[SCSI_XFER_LUN(sxfer)]; 2491 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2492 sdev->status != SBP_DEV_PROBE) 2493 sdev = NULL; 2494 } 2495 } 2496 2497 SBP_DEBUG(1) 2498 if (sdev == NULL) 2499 printf("invalid target %d lun %d\n", 2500 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer)); 2501 END_DEBUG 2502 2503 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2504 case XPT_SCSI_IO: 2505 #if defined(__FreeBSD__) 2506 case XPT_RESET_DEV: 2507 case XPT_GET_TRAN_SETTINGS: 2508 case XPT_SET_TRAN_SETTINGS: 2509 case XPT_CALC_GEOMETRY: 2510 #endif 2511 if (sdev == NULL) { 2512 SBP_DEBUG(1) 2513 printf("%s:%d:%d:func_code 0x%04x: " 2514 "Invalid target (target needed)\n", 2515 sbp ? device_get_nameunit(sbp->fd.dev) : "???", 2516 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2517 SCSI_XFER_FUNCCODE(sxfer)); 2518 END_DEBUG 2519 2520 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2521 SCSI_TRANSFER_DONE(sxfer); 2522 return; 2523 } 2524 break; 2525 #if defined(__FreeBSD__) 2526 case XPT_PATH_INQ: 2527 case XPT_NOOP: 2528 /* The opcodes sometimes aimed at a target (sc is valid), 2529 * sometimes aimed at the SIM (sc is invalid and target is 2530 * CAM_TARGET_WILDCARD) 2531 */ 2532 if (sbp == NULL && 2533 sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2534 SBP_DEBUG(0) 2535 printf("%s:%d:%d func_code 0x%04x: " 2536 "Invalid target (no wildcard)\n", 2537 device_get_nameunit(sbp->fd.dev), 2538 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2539 sxfer->ccb_h.func_code); 2540 END_DEBUG 2541 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2542 SCSI_TRANSFER_DONE(sxfer); 2543 return; 2544 } 2545 break; 2546 #endif 2547 default: 2548 /* XXX Hm, we should check the input parameters */ 2549 break; 2550 } 2551 2552 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2553 case XPT_SCSI_IO: 2554 { 2555 struct sbp_ocb *ocb; 2556 int speed; 2557 void *cdb; 2558 2559 SBP_DEBUG(2) 2560 printf("%s:%d:%d XPT_SCSI_IO: " 2561 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2562 ", flags: 0x%02x, " 2563 "%db cmd/%db data/%db sense\n", 2564 device_get_nameunit(sbp->fd.dev), 2565 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2566 SCSI_XFER_10BCMD_DUMP(sxfer), 2567 SCSI_XFER_DIR(sxfer), 2568 SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer), 2569 SCSI_XFER_SENSELEN(sxfer)); 2570 END_DEBUG 2571 if(sdev == NULL){ 2572 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2573 SCSI_TRANSFER_DONE(sxfer); 2574 return; 2575 } 2576 #if 0 2577 /* if we are in probe stage, pass only probe commands */ 2578 if (sdev->status == SBP_DEV_PROBE) { 2579 char *name; 2580 name = xpt_path_periph(sxfer->ccb_h.path)->periph_name; 2581 printf("probe stage, periph name: %s\n", name); 2582 if (strcmp(name, "probe") != 0) { 2583 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2584 SCSI_TRANSFER_DONE(sxfer); 2585 return; 2586 } 2587 } 2588 #endif 2589 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2590 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2591 if (sdev->freeze == 0) { 2592 SBP_DEVICE_FREEZE(sdev, 1); 2593 sdev->freeze ++; 2594 } 2595 SCSI_TRANSFER_DONE(sxfer); 2596 return; 2597 } 2598 2599 ocb->flags = OCB_ACT_CMD; 2600 ocb->sdev = sdev; 2601 ocb->sxfer = sxfer; 2602 #if defined(__FreeBSD__) 2603 sxfer->ccb_h.ccb_sdev_ptr = sdev; 2604 #endif 2605 ocb->orb[0] = htonl(1 << 31); 2606 ocb->orb[1] = 0; 2607 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2608 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2609 speed = min(target->fwdev->speed, max_speed); 2610 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2611 | ORB_CMD_MAXP(speed + 7)); 2612 if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){ 2613 ocb->orb[4] |= htonl(ORB_CMD_IN); 2614 } 2615 2616 if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID) 2617 printf("sbp: CAM_SCATTER_VALID\n"); 2618 if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS) 2619 printf("sbp: CAM_DATA_PHYS\n"); 2620 2621 cdb = SCSI_XFER_CMD(sxfer); 2622 bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer)); 2623 /* 2624 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2625 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2626 */ 2627 if (SCSI_XFER_DATALEN(sxfer) > 0) { 2628 int s, error; 2629 2630 s = splsoftvm(); 2631 error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat, 2632 /*dma map*/ocb->dmamap, 2633 SCSI_XFER_DATA(sxfer), 2634 SCSI_XFER_DATALEN(sxfer), 2635 sbp_execute_ocb, 2636 ocb, 2637 /*flags*/0); 2638 splx(s); 2639 if (error) 2640 printf("sbp: bus_dmamap_load error %d\n", error); 2641 } else 2642 sbp_execute_ocb(ocb, NULL, 0, 0); 2643 break; 2644 } 2645 #if defined(__FreeBSD__) 2646 case XPT_CALC_GEOMETRY: 2647 { 2648 struct ccb_calc_geometry *ccg; 2649 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2650 uint32_t size_mb; 2651 uint32_t secs_per_cylinder; 2652 int extended = 1; 2653 #endif 2654 2655 ccg = &sxfer->ccg; 2656 if (ccg->block_size == 0) { 2657 printf("sbp_action1: block_size is 0.\n"); 2658 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2659 SCSI_TRANSFER_DONE(sxfer); 2660 break; 2661 } 2662 SBP_DEBUG(1) 2663 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2664 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2665 "Volume size = %d\n", 2666 #else 2667 "Volume size = %jd\n", 2668 #endif 2669 device_get_nameunit(sbp->fd.dev), 2670 cam_sim_path(sbp->sim), 2671 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2672 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2673 (uintmax_t) 2674 #endif 2675 ccg->volume_size); 2676 END_DEBUG 2677 2678 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2679 size_mb = ccg->volume_size 2680 / ((1024L * 1024L) / ccg->block_size); 2681 2682 if (size_mb > 1024 && extended) { 2683 ccg->heads = 255; 2684 ccg->secs_per_track = 63; 2685 } else { 2686 ccg->heads = 64; 2687 ccg->secs_per_track = 32; 2688 } 2689 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2690 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2691 SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP; 2692 #else 2693 cam_calc_geometry(ccg, /*extended*/1); 2694 #endif 2695 SCSI_TRANSFER_DONE(sxfer); 2696 break; 2697 } 2698 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2699 { 2700 2701 SBP_DEBUG(1) 2702 printf("%s:%d:XPT_RESET_BUS: \n", 2703 device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2704 END_DEBUG 2705 2706 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2707 SCSI_TRANSFER_DONE(sxfer); 2708 break; 2709 } 2710 case XPT_PATH_INQ: /* Path routing inquiry */ 2711 { 2712 struct ccb_pathinq *cpi = &sxfer->cpi; 2713 struct cam_sim *sim = sbp->sim; 2714 2715 SBP_DEBUG(1) 2716 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2717 device_get_nameunit(sbp->fd.dev), 2718 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2719 END_DEBUG 2720 cpi->version_num = 1; /* XXX??? */ 2721 cpi->hba_inquiry = PI_TAG_ABLE; 2722 cpi->target_sprt = 0; 2723 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2724 cpi->hba_eng_cnt = 0; 2725 cpi->max_target = SBP_NUM_TARGETS - 1; 2726 cpi->max_lun = SBP_NUM_LUNS - 1; 2727 cpi->initiator_id = SBP_INITIATOR; 2728 cpi->bus_id = sim->bus_id; 2729 cpi->base_transfer_speed = 400 * 1000 / 8; 2730 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2731 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2732 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2733 cpi->unit_number = sim->unit_number; 2734 2735 SCSI_XFER_ERROR(cpi) = XS_REQ_CMP; 2736 SCSI_TRANSFER_DONE(sxfer); 2737 break; 2738 } 2739 case XPT_GET_TRAN_SETTINGS: 2740 { 2741 struct ccb_trans_settings *cts = &sxfer->cts; 2742 SBP_DEBUG(1) 2743 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2744 device_get_nameunit(sbp->fd.dev), 2745 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2746 END_DEBUG 2747 /* Enable disconnect and tagged queuing */ 2748 cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; 2749 cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB; 2750 2751 SCSI_XFER_ERROR(cts) = XS_REQ_CMP; 2752 SCSI_TRANSFER_DONE(sxfer); 2753 break; 2754 } 2755 case XPT_ABORT: 2756 SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT; 2757 SCSI_TRANSFER_DONE(sxfer); 2758 break; 2759 case XPT_SET_TRAN_SETTINGS: 2760 /* XXX */ 2761 default: 2762 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2763 SCSI_TRANSFER_DONE(sxfer); 2764 break; 2765 #endif 2766 } 2767 return; 2768 } 2769 2770 #if defined(__FreeBSD__) 2771 static void 2772 sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer) 2773 { 2774 int s; 2775 2776 s = splfw(); 2777 sbp_action1(sim->softc, sxfer); 2778 splx(s); 2779 } 2780 #endif 2781 2782 static void 2783 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2784 { 2785 int i; 2786 struct sbp_ocb *ocb; 2787 struct sbp_ocb *prev; 2788 bus_dma_segment_t *s; 2789 2790 if (error) 2791 printf("sbp_execute_ocb: error=%d\n", error); 2792 2793 ocb = (struct sbp_ocb *)arg; 2794 2795 SBP_DEBUG(2) 2796 printf("sbp_execute_ocb: seg %d", seg); 2797 for (i = 0; i < seg; i++) 2798 #if defined(__DragonFly__) || \ 2799 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2800 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2801 #else 2802 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2803 (uintmax_t)segments[i].ds_len); 2804 #endif 2805 printf("\n"); 2806 END_DEBUG 2807 2808 if (seg == 1) { 2809 /* direct pointer */ 2810 s = &segments[0]; 2811 if (s->ds_len > SBP_SEG_MAX) 2812 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2813 ocb->orb[3] = htonl(s->ds_addr); 2814 ocb->orb[4] |= htonl(s->ds_len); 2815 } else if(seg > 1) { 2816 /* page table */ 2817 for (i = 0; i < seg; i++) { 2818 s = &segments[i]; 2819 SBP_DEBUG(0) 2820 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2821 if (s->ds_len < 16) 2822 printf("sbp_execute_ocb: warning, " 2823 #if defined(__DragonFly__) || \ 2824 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2825 "segment length(%d) is less than 16." 2826 #else 2827 "segment length(%jd) is less than 16." 2828 #endif 2829 "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg); 2830 END_DEBUG 2831 if (s->ds_len > SBP_SEG_MAX) 2832 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2833 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2834 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2835 } 2836 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2837 } 2838 2839 if (seg > 0) 2840 fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2841 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2842 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2843 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2844 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2845 if (use_doorbell) { 2846 if (prev == NULL) { 2847 if (ocb->sdev->last_ocb != NULL) 2848 sbp_doorbell(ocb->sdev); 2849 else 2850 sbp_orb_pointer(ocb->sdev, ocb); 2851 } 2852 } else { 2853 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2854 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2855 sbp_orb_pointer(ocb->sdev, ocb); 2856 } 2857 } 2858 } 2859 2860 #if defined(__FreeBSD__) 2861 static void 2862 sbp_poll(struct cam_sim *sim) 2863 { 2864 struct sbp_softc *sbp; 2865 struct firewire_comm *fc; 2866 2867 sbp = (struct sbp_softc *)sim->softc; 2868 fc = sbp->fd.fc; 2869 2870 fc->poll(fc, 0, -1); 2871 2872 return; 2873 } 2874 2875 #endif 2876 static struct sbp_ocb * 2877 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2878 { 2879 struct sbp_ocb *ocb; 2880 struct sbp_ocb *next; 2881 int s = splfw(), order = 0; 2882 int flags; 2883 2884 SBP_DEBUG(1) 2885 sbp_show_sdev_info(sdev, 2); 2886 #if defined(__DragonFly__) || \ 2887 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2888 printf("%s: 0x%08lx src %d\n", 2889 #else 2890 printf("%s: 0x%08x src %d\n", 2891 #endif 2892 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2893 END_DEBUG 2894 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2895 next = STAILQ_NEXT(ocb, ocb); 2896 flags = ocb->flags; 2897 if (OCB_MATCH(ocb, sbp_status)) { 2898 /* found */ 2899 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2900 if (ocb->sxfer != NULL) 2901 #if defined(__DragonFly__) || defined(__NetBSD__) 2902 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 2903 #else 2904 untimeout(sbp_timeout, (caddr_t)ocb, 2905 SCSI_XFER_CALLOUT(ocb->sxfer)); 2906 #endif 2907 if (ntohl(ocb->orb[4]) & 0xffff) { 2908 fw_bus_dmamap_sync(sdev->target->sbp->dmat, 2909 ocb->dmamap, 2910 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2911 BUS_DMASYNC_POSTREAD : 2912 BUS_DMASYNC_POSTWRITE); 2913 fw_bus_dmamap_unload(sdev->target->sbp->dmat, 2914 ocb->dmamap); 2915 } 2916 if (!use_doorbell) { 2917 if (sbp_status->src == SRC_NO_NEXT) { 2918 if (next != NULL) 2919 sbp_orb_pointer(sdev, next); 2920 else if (order > 0) { 2921 /* 2922 * Unordered execution 2923 * We need to send pointer for 2924 * next ORB 2925 */ 2926 sdev->flags |= ORB_LINK_DEAD; 2927 } 2928 } 2929 } else { 2930 /* 2931 * XXX this is not correct for unordered 2932 * execution. 2933 */ 2934 if (sdev->last_ocb != NULL) 2935 sbp_free_ocb(sdev, sdev->last_ocb); 2936 sdev->last_ocb = ocb; 2937 if (next != NULL && 2938 sbp_status->src == SRC_NO_NEXT) 2939 sbp_doorbell(sdev); 2940 } 2941 break; 2942 } else 2943 order ++; 2944 } 2945 splx(s); 2946 SBP_DEBUG(0) 2947 if (ocb && order > 0) { 2948 sbp_show_sdev_info(sdev, 2); 2949 printf("unordered execution order:%d\n", order); 2950 } 2951 END_DEBUG 2952 return (ocb); 2953 } 2954 2955 static struct sbp_ocb * 2956 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 2957 { 2958 int s = splfw(); 2959 struct sbp_ocb *prev, *prev2; 2960 2961 SBP_DEBUG(1) 2962 sbp_show_sdev_info(sdev, 2); 2963 #if defined(__DragonFly__) || \ 2964 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2965 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 2966 #else 2967 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 2968 #endif 2969 END_DEBUG 2970 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 2971 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 2972 2973 if (ocb->sxfer != NULL) 2974 #if defined(__DragonFly__) || defined(__NetBSD__) 2975 callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer), 2976 mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb); 2977 #else 2978 SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout, 2979 (caddr_t)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer))); 2980 #endif 2981 2982 if (use_doorbell && prev == NULL) 2983 prev2 = sdev->last_ocb; 2984 2985 if (prev2 != NULL) { 2986 SBP_DEBUG(2) 2987 #if defined(__DragonFly__) || \ 2988 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2989 printf("linking chain 0x%x -> 0x%x\n", 2990 prev2->bus_addr, ocb->bus_addr); 2991 #else 2992 printf("linking chain 0x%jx -> 0x%jx\n", 2993 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 2994 #endif 2995 END_DEBUG 2996 prev2->orb[1] = htonl(ocb->bus_addr); 2997 prev2->orb[0] = 0; 2998 } 2999 splx(s); 3000 3001 return prev; 3002 } 3003 3004 static struct sbp_ocb * 3005 sbp_get_ocb(struct sbp_dev *sdev) 3006 { 3007 struct sbp_ocb *ocb; 3008 int s = splfw(); 3009 ocb = STAILQ_FIRST(&sdev->free_ocbs); 3010 if (ocb == NULL) { 3011 sdev->flags |= ORB_SHORTAGE; 3012 printf("ocb shortage!!!\n"); 3013 splx(s); 3014 return NULL; 3015 } 3016 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 3017 splx(s); 3018 ocb->sxfer = NULL; 3019 return (ocb); 3020 } 3021 3022 static void 3023 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 3024 { 3025 ocb->flags = 0; 3026 ocb->sxfer = NULL; 3027 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 3028 if ((sdev->flags & ORB_SHORTAGE) != 0) { 3029 int count; 3030 3031 sdev->flags &= ~ORB_SHORTAGE; 3032 count = sdev->freeze; 3033 sdev->freeze = 0; 3034 SBP_DEVICE_THAW(sdev, count); 3035 } 3036 } 3037 3038 static void 3039 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 3040 { 3041 struct sbp_dev *sdev; 3042 3043 sdev = ocb->sdev; 3044 SBP_DEBUG(0) 3045 sbp_show_sdev_info(sdev, 2); 3046 #if defined(__DragonFly__) || \ 3047 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3048 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 3049 #else 3050 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 3051 #endif 3052 END_DEBUG 3053 SBP_DEBUG(1) 3054 if (ocb->sxfer != NULL) 3055 sbp_print_scsi_cmd(ocb); 3056 END_DEBUG 3057 if (ntohl(ocb->orb[4]) & 0xffff) { 3058 fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 3059 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 3060 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 3061 fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 3062 } 3063 if (ocb->sxfer != NULL) { 3064 #if defined(__DragonFly__ ) || defined(__NetBSD__) 3065 callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 3066 #else 3067 untimeout(sbp_timeout, (caddr_t)ocb, 3068 SCSI_XFER_CALLOUT(ocb->sxfer)); 3069 #endif 3070 SCSI_XFER_ERROR(ocb->sxfer) = status; 3071 SCSI_TRANSFER_DONE(ocb->sxfer); 3072 } 3073 sbp_free_ocb(sdev, ocb); 3074 } 3075 3076 static void 3077 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 3078 { 3079 int s; 3080 struct sbp_ocb *ocb, *next; 3081 STAILQ_HEAD(, sbp_ocb) temp; 3082 3083 s = splfw(); 3084 3085 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 3086 STAILQ_INIT(&sdev->ocbs); 3087 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 3088 next = STAILQ_NEXT(ocb, ocb); 3089 sbp_abort_ocb(ocb, status); 3090 } 3091 if (sdev->last_ocb != NULL) { 3092 sbp_free_ocb(sdev, sdev->last_ocb); 3093 sdev->last_ocb = NULL; 3094 } 3095 3096 splx(s); 3097 } 3098 3099 #if defined(__FreeBSD__) 3100 static devclass_t sbp_devclass; 3101 3102 static device_method_t sbp_methods[] = { 3103 /* device interface */ 3104 DEVMETHOD(device_probe, sbp_probe), 3105 DEVMETHOD(device_attach, sbp_attach), 3106 DEVMETHOD(device_detach, sbp_detach), 3107 DEVMETHOD(device_shutdown, sbp_shutdown), 3108 3109 { 0, 0 } 3110 }; 3111 3112 static driver_t sbp_driver = { 3113 "sbp", 3114 sbp_methods, 3115 sizeof(struct sbp_softc), 3116 }; 3117 #ifdef __DragonFly__ 3118 DECLARE_DUMMY_MODULE(sbp); 3119 #endif 3120 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 3121 MODULE_VERSION(sbp, 1); 3122 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 3123 MODULE_DEPEND(sbp, cam, 1, 1, 1); 3124 #elif defined(__NetBSD__) 3125 static void 3126 sbp_scsipi_request( 3127 struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg) 3128 { 3129 int i, s; 3130 struct sbp_softc *sbp = 3131 (struct sbp_softc *)channel->chan_adapter->adapt_dev; 3132 struct scsipi_xfer *xs = arg; 3133 3134 if (debug > 1) 3135 printf("Called sbpscsi_scsipi_request\n"); 3136 3137 switch (req) { 3138 case ADAPTER_REQ_RUN_XFER: 3139 if (debug > 1) { 3140 printf("Got req_run_xfer\n"); 3141 printf("xs control: 0x%08x, timeout: %d\n", 3142 xs->xs_control, xs->timeout); 3143 printf("opcode: 0x%02x\n", (int)xs->cmd->opcode); 3144 for (i = 0; i < 15; i++) 3145 printf("0x%02x ",(int)xs->cmd->bytes[i]); 3146 printf("\n"); 3147 } 3148 if (xs->xs_control & XS_CTL_RESET) { 3149 if (debug > 1) 3150 printf("XS_CTL_RESET not support\n"); 3151 break; 3152 } 3153 #define SBPSCSI_SBP2_MAX_CDB 12 3154 if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) { 3155 if (debug > 0) 3156 printf( 3157 "sbp doesn't support cdb's larger than %d " 3158 "bytes\n", SBPSCSI_SBP2_MAX_CDB); 3159 SCSI_XFER_ERROR(xs) = XS_REQ_INVALID; 3160 SCSI_TRANSFER_DONE(xs); 3161 return; 3162 } 3163 s = splfw(); 3164 sbp_action1(sbp, xs); 3165 splx(s); 3166 3167 break; 3168 case ADAPTER_REQ_GROW_RESOURCES: 3169 if (debug > 1) 3170 printf("Got req_grow_resources\n"); 3171 break; 3172 case ADAPTER_REQ_SET_XFER_MODE: 3173 if (debug > 1) 3174 printf("Got set xfer mode\n"); 3175 break; 3176 default: 3177 panic("Unknown request: %d\n", (int)req); 3178 } 3179 } 3180 3181 static void 3182 sbp_minphys(struct buf *bp) 3183 { 3184 minphys(bp); 3185 } 3186 3187 CFATTACH_DECL(sbp, sizeof (struct sbp_softc), 3188 sbpmatch, sbpattach, sbpdetach, NULL); 3189 #endif
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