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sys/dev/ieee1394/sbp.c
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1 /* $NetBSD: sbp.c,v 1.21 2008/03/29 16:22:53 kiyohara Exp $ */ 2 /*- 3 * Copyright (c) 2003 Hidetoshi Shimokawa 4 * Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the acknowledgement as bellow: 17 * 18 * This product includes software developed by K. Kobayashi and H. Shimokawa 19 * 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 * 35 * $FreeBSD: src/sys/dev/firewire/sbp.c,v 1.92 2007/06/06 14:31:36 simokawa Exp $ 36 * 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: sbp.c,v 1.21 2008/03/29 16:22:53 kiyohara Exp $"); 41 42 #if defined(__FreeBSD__) 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/conf.h> 46 #include <sys/module.h> 47 #include <sys/bus.h> 48 #include <sys/kernel.h> 49 #include <sys/sysctl.h> 50 #include <sys/bus.h> 51 #include <sys/malloc.h> 52 #if defined(__FreeBSD__) && __FreeBSD_version >= 501102 53 #include <sys/lock.h> 54 #include <sys/mutex.h> 55 #endif 56 57 #if defined(__DragonFly__) || __FreeBSD_version < 500106 58 #include <sys/devicestat.h> /* for struct devstat */ 59 #endif 60 61 #ifdef __DragonFly__ 62 #include <bus/cam/cam.h> 63 #include <bus/cam/cam_ccb.h> 64 #include <bus/cam/cam_sim.h> 65 #include <bus/cam/cam_xpt_sim.h> 66 #include <bus/cam/cam_debug.h> 67 #include <bus/cam/cam_periph.h> 68 #include <bus/cam/scsi/scsi_all.h> 69 70 #include <bus/firewire/fw_port.h> 71 #include <bus/firewire/firewire.h> 72 #include <bus/firewire/firewirereg.h> 73 #include <bus/firewire/fwdma.h> 74 #include <bus/firewire/iec13213.h> 75 #include "sbp.h" 76 #else 77 #include <cam/cam.h> 78 #include <cam/cam_ccb.h> 79 #include <cam/cam_sim.h> 80 #include <cam/cam_xpt_sim.h> 81 #include <cam/cam_debug.h> 82 #include <cam/cam_periph.h> 83 #include <cam/scsi/scsi_all.h> 84 85 #include <dev/firewire/fw_port.h> 86 #include <dev/firewire/firewire.h> 87 #include <dev/firewire/firewirereg.h> 88 #include <dev/firewire/fwdma.h> 89 #include <dev/firewire/iec13213.h> 90 #include <dev/firewire/sbp.h> 91 #endif 92 #elif defined(__NetBSD__) 93 #include <sys/param.h> 94 #include <sys/device.h> 95 #include <sys/errno.h> 96 #include <sys/buf.h> 97 #include <sys/kernel.h> 98 #include <sys/kthread.h> 99 #include <sys/malloc.h> 100 #include <sys/proc.h> 101 #include <sys/sysctl.h> 102 103 #include <sys/bus.h> 104 105 #include <dev/scsipi/scsi_spc.h> 106 #include <dev/scsipi/scsi_all.h> 107 #include <dev/scsipi/scsipi_all.h> 108 #include <dev/scsipi/scsiconf.h> 109 #include <dev/scsipi/scsipiconf.h> 110 111 #include <dev/ieee1394/fw_port.h> 112 #include <dev/ieee1394/firewire.h> 113 #include <dev/ieee1394/firewirereg.h> 114 #include <dev/ieee1394/fwdma.h> 115 #include <dev/ieee1394/iec13213.h> 116 #include <dev/ieee1394/sbp.h> 117 118 #include "locators.h" 119 #endif 120 121 #define ccb_sdev_ptr spriv_ptr0 122 #define ccb_sbp_ptr spriv_ptr1 123 124 #define SBP_NUM_TARGETS 8 /* MAX 64 */ 125 /* 126 * Scan_bus doesn't work for more than 8 LUNs 127 * because of CAM_SCSI2_MAXLUN in cam_xpt.c 128 */ 129 #define SBP_NUM_LUNS 64 130 #define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */) 131 #define SBP_DMA_SIZE PAGE_SIZE 132 #define SBP_LOGIN_SIZE sizeof(struct sbp_login_res) 133 #define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb)) 134 #define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS) 135 136 /* 137 * STATUS FIFO addressing 138 * bit 139 * ----------------------- 140 * 0- 1( 2): 0 (alignment) 141 * 2- 9( 8): lun 142 * 10-31(14): unit 143 * 32-47(16): SBP_BIND_HI 144 * 48-64(16): bus_id, node_id 145 */ 146 #define SBP_BIND_HI 0x1 147 #define SBP_DEV2ADDR(u, l) \ 148 (((u_int64_t)SBP_BIND_HI << 32) \ 149 | (((u) & 0x3fff) << 10) \ 150 | (((l) & 0xff) << 2)) 151 #define SBP_ADDR2UNIT(a) (((a) >> 10) & 0x3fff) 152 #define SBP_ADDR2LUN(a) (((a) >> 2) & 0xff) 153 #define SBP_INITIATOR 7 154 155 static const char *orb_fun_name[] = { 156 ORB_FUN_NAMES 157 }; 158 159 static int debug = 0; 160 static int auto_login = 1; 161 static int max_speed = -1; 162 static int sbp_cold = 1; 163 static int ex_login = 1; 164 static int login_delay = 1000; /* msec */ 165 static int scan_delay = 500; /* msec */ 166 static int use_doorbell = 0; 167 static int sbp_tags = 0; 168 169 #if defined(__FreeBSD__) 170 SYSCTL_DECL(_hw_firewire); 171 SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem"); 172 SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0, 173 "SBP debug flag"); 174 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &auto_login, 0, 175 "SBP perform login automatically"); 176 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RW, &max_speed, 0, 177 "SBP transfer max speed"); 178 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RW, 179 &ex_login, 0, "SBP enable exclusive login"); 180 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RW, 181 &login_delay, 0, "SBP login delay in msec"); 182 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RW, 183 &scan_delay, 0, "SBP scan delay in msec"); 184 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RW, 185 &use_doorbell, 0, "SBP use doorbell request"); 186 SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RW, &sbp_tags, 0, 187 "SBP tagged queuing support"); 188 189 TUNABLE_INT("hw.firewire.sbp.auto_login", &auto_login); 190 TUNABLE_INT("hw.firewire.sbp.max_speed", &max_speed); 191 TUNABLE_INT("hw.firewire.sbp.exclusive_login", &ex_login); 192 TUNABLE_INT("hw.firewire.sbp.login_delay", &login_delay); 193 TUNABLE_INT("hw.firewire.sbp.scan_delay", &scan_delay); 194 TUNABLE_INT("hw.firewire.sbp.use_doorbell", &use_doorbell); 195 TUNABLE_INT("hw.firewire.sbp.tags", &sbp_tags); 196 #elif defined(__NetBSD__) 197 static int sysctl_sbp_verify(SYSCTLFN_PROTO, int lower, int upper); 198 static int sysctl_sbp_verify_max_speed(SYSCTLFN_PROTO); 199 static int sysctl_sbp_verify_tags(SYSCTLFN_PROTO); 200 201 /* 202 * Setup sysctl(3) MIB, hw.sbp.* 203 * 204 * TBD condition CTLFLAG_PERMANENT on being an LKM or not 205 */ 206 SYSCTL_SETUP(sysctl_sbp, "sysctl sbp(4) subtree setup") 207 { 208 int rc, sbp_node_num; 209 const struct sysctlnode *node; 210 211 if ((rc = sysctl_createv(clog, 0, NULL, NULL, 212 CTLFLAG_PERMANENT, CTLTYPE_NODE, "hw", NULL, 213 NULL, 0, NULL, 0, CTL_HW, CTL_EOL)) != 0) { 214 goto err; 215 } 216 217 if ((rc = sysctl_createv(clog, 0, NULL, &node, 218 CTLFLAG_PERMANENT, CTLTYPE_NODE, "sbp", 219 SYSCTL_DESCR("sbp controls"), NULL, 0, NULL, 220 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) { 221 goto err; 222 } 223 sbp_node_num = node->sysctl_num; 224 225 /* sbp auto login flag */ 226 if ((rc = sysctl_createv(clog, 0, NULL, &node, 227 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 228 "auto_login", SYSCTL_DESCR("SBP perform login automatically"), 229 NULL, 0, &auto_login, 230 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 231 goto err; 232 } 233 234 /* sbp max speed */ 235 if ((rc = sysctl_createv(clog, 0, NULL, &node, 236 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 237 "max_speed", SYSCTL_DESCR("SBP transfer max speed"), 238 sysctl_sbp_verify_max_speed, 0, &max_speed, 239 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 240 goto err; 241 } 242 243 /* sbp exclusive login flag */ 244 if ((rc = sysctl_createv(clog, 0, NULL, &node, 245 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 246 "exclusive_login", SYSCTL_DESCR("SBP enable exclusive login"), 247 NULL, 0, &ex_login, 248 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 249 goto err; 250 } 251 252 /* sbp login delay */ 253 if ((rc = sysctl_createv(clog, 0, NULL, &node, 254 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 255 "login_delay", SYSCTL_DESCR("SBP login delay in msec"), 256 NULL, 0, &login_delay, 257 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 258 goto err; 259 } 260 261 /* sbp scan delay */ 262 if ((rc = sysctl_createv(clog, 0, NULL, &node, 263 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 264 "scan_delay", SYSCTL_DESCR("SBP scan delay in msec"), 265 NULL, 0, &scan_delay, 266 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 267 goto err; 268 } 269 270 /* sbp use doorbell flag */ 271 if ((rc = sysctl_createv(clog, 0, NULL, &node, 272 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 273 "use_doorbell", SYSCTL_DESCR("SBP use doorbell request"), 274 NULL, 0, &use_doorbell, 275 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 276 goto err; 277 } 278 279 /* sbp force tagged queuing */ 280 if ((rc = sysctl_createv(clog, 0, NULL, &node, 281 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 282 "tags", SYSCTL_DESCR("SBP tagged queuing support"), 283 sysctl_sbp_verify_tags, 0, &sbp_tags, 284 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 285 goto err; 286 } 287 288 /* sbp driver debug flag */ 289 if ((rc = sysctl_createv(clog, 0, NULL, &node, 290 CTLFLAG_PERMANENT | CTLFLAG_READWRITE, CTLTYPE_INT, 291 "sbp_debug", SYSCTL_DESCR("SBP debug flag"), 292 NULL, 0, &debug, 293 0, CTL_HW, sbp_node_num, CTL_CREATE, CTL_EOL)) != 0) { 294 goto err; 295 } 296 297 return; 298 299 err: 300 printf("%s: sysctl_createv failed (rc = %d)\n", __func__, rc); 301 } 302 303 static int 304 sysctl_sbp_verify(SYSCTLFN_ARGS, int lower, int upper) 305 { 306 int error, t; 307 struct sysctlnode node; 308 309 node = *rnode; 310 t = *(int*)rnode->sysctl_data; 311 node.sysctl_data = &t; 312 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 313 if (error || newp == NULL) 314 return (error); 315 316 if (t < lower || t > upper) 317 return (EINVAL); 318 319 *(int*)rnode->sysctl_data = t; 320 321 return (0); 322 } 323 324 static int 325 sysctl_sbp_verify_max_speed(SYSCTLFN_ARGS) 326 { 327 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), 0, FWSPD_S400)); 328 } 329 330 static int 331 sysctl_sbp_verify_tags(SYSCTLFN_ARGS) 332 { 333 return (sysctl_sbp_verify(SYSCTLFN_CALL(rnode), -1, 1)); 334 } 335 #endif 336 337 #define NEED_RESPONSE 0 338 339 #define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE) 340 #ifdef __sparc64__ /* iommu */ 341 #define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX) 342 #else 343 #define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE) 344 #endif 345 struct sbp_ocb { 346 STAILQ_ENTRY(sbp_ocb) ocb; 347 sbp_scsi_xfer *sxfer; 348 bus_addr_t bus_addr; 349 uint32_t orb[8]; 350 #define IND_PTR_OFFSET (8*sizeof(uint32_t)) 351 struct ind_ptr ind_ptr[SBP_IND_MAX]; 352 struct sbp_dev *sdev; 353 int flags; /* XXX should be removed */ 354 bus_dmamap_t dmamap; 355 }; 356 357 #define OCB_ACT_MGM 0 358 #define OCB_ACT_CMD 1 359 #define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo)) 360 361 struct sbp_dev{ 362 #define SBP_DEV_RESET 0 /* accept login */ 363 #define SBP_DEV_LOGIN 1 /* to login */ 364 #if 0 365 #define SBP_DEV_RECONN 2 /* to reconnect */ 366 #endif 367 #define SBP_DEV_TOATTACH 3 /* to attach */ 368 #define SBP_DEV_PROBE 4 /* scan lun */ 369 #define SBP_DEV_ATTACHED 5 /* in operation */ 370 #define SBP_DEV_DEAD 6 /* unavailable unit */ 371 #define SBP_DEV_RETRY 7 /* unavailable unit */ 372 uint8_t status:4, 373 timeout:4; 374 uint8_t type; 375 uint16_t lun_id; 376 uint16_t freeze; 377 #define ORB_LINK_DEAD (1 << 0) 378 #define VALID_LUN (1 << 1) 379 #define ORB_POINTER_ACTIVE (1 << 2) 380 #define ORB_POINTER_NEED (1 << 3) 381 #define ORB_DOORBELL_ACTIVE (1 << 4) 382 #define ORB_DOORBELL_NEED (1 << 5) 383 #define ORB_SHORTAGE (1 << 6) 384 uint16_t flags; 385 #if defined(__FreeBSD__) 386 struct cam_path *path; 387 #elif defined(__NetBSD__) 388 struct scsipi_periph *periph; 389 #endif 390 struct sbp_target *target; 391 struct fwdma_alloc dma; 392 struct sbp_login_res *login; 393 struct callout login_callout; 394 struct sbp_ocb *ocb; 395 STAILQ_HEAD(, sbp_ocb) ocbs; 396 STAILQ_HEAD(, sbp_ocb) free_ocbs; 397 struct sbp_ocb *last_ocb; 398 char vendor[32]; 399 char product[32]; 400 char revision[10]; 401 }; 402 403 struct sbp_target { 404 int target_id; 405 int num_lun; 406 struct sbp_dev **luns; 407 struct sbp_softc *sbp; 408 struct fw_device *fwdev; 409 uint32_t mgm_hi, mgm_lo; 410 struct sbp_ocb *mgm_ocb_cur; 411 STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue; 412 struct callout mgm_ocb_timeout; 413 struct callout scan_callout; 414 STAILQ_HEAD(, fw_xfer) xferlist; 415 int n_xfer; 416 }; 417 418 struct sbp_softc { 419 struct firewire_dev_comm fd; 420 #if defined(__FreeBSD__) 421 struct cam_sim *sim; 422 struct cam_path *path; 423 #elif defined(__NetBSD__) 424 struct scsipi_adapter sc_adapter; 425 struct scsipi_channel sc_channel; 426 device_t sc_bus; 427 struct lwp *lwp; 428 #endif 429 struct sbp_target target; 430 struct fw_bind fwb; 431 fw_bus_dma_tag_t dmat; 432 struct timeval last_busreset; 433 #define SIMQ_FREEZED 1 434 int flags; 435 fw_mtx_t mtx; 436 }; 437 #define SBP_LOCK(sbp) fw_mtx_lock(&(sbp)->mtx) 438 #define SBP_UNLOCK(sbp) fw_mtx_unlock(&(sbp)->mtx) 439 440 #if defined(__NetBSD__) 441 int sbpmatch (device_t, struct cfdata *, void *); 442 void sbpattach (device_t parent, device_t self, void *aux); 443 int sbpdetach (device_t self, int flags); 444 #endif 445 static void sbp_post_explore (void *); 446 static void sbp_recv (struct fw_xfer *); 447 static void sbp_mgm_callback (struct fw_xfer *); 448 #if 0 449 static void sbp_cmd_callback (struct fw_xfer *); 450 #endif 451 static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *); 452 static void sbp_doorbell(struct sbp_dev *); 453 static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int); 454 static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *); 455 static void sbp_abort_ocb (struct sbp_ocb *, int); 456 static void sbp_abort_all_ocbs (struct sbp_dev *, int); 457 static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int); 458 static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *); 459 static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *); 460 static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *); 461 static void sbp_free_sdev(struct sbp_dev *); 462 static void sbp_free_target (struct sbp_target *); 463 static void sbp_mgm_timeout (void *arg); 464 static void sbp_timeout (void *arg); 465 static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *); 466 #if defined(__FreeBSD__) 467 468 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire"); 469 #elif defined(__NetBSD__) 470 static void sbp_scsipi_request( 471 struct scsipi_channel *, scsipi_adapter_req_t, void *); 472 static void sbp_minphys(struct buf *); 473 474 MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/IEEE1394"); 475 #endif 476 477 #if defined(__FreeBSD__) 478 /* cam related functions */ 479 static void sbp_action(struct cam_sim *, sbp_scsi_xfer *sxfer); 480 static void sbp_poll(struct cam_sim *); 481 static void sbp_cam_scan_lun(struct cam_periph *, sbp_scsi_xfer *); 482 static void sbp_cam_scan_target(void *); 483 static void sbp_cam_detach_sdev(struct sbp_dev *); 484 static void sbp_cam_detach_target (struct sbp_target *); 485 #define SBP_DETACH_SDEV(sd) sbp_cam_detach_sdev((sd)) 486 #define SBP_DETACH_TARGET(st) sbp_cam_detach_target((st)) 487 #elif defined(__NetBSD__) 488 /* scsipi related functions */ 489 static void sbp_scsipi_scan_target(void *); 490 static void sbp_scsipi_detach_sdev(struct sbp_dev *); 491 static void sbp_scsipi_detach_target (struct sbp_target *); 492 #define SBP_DETACH_SDEV(sd) sbp_scsipi_detach_sdev((sd)) 493 #define SBP_DETACH_TARGET(st) sbp_scsipi_detach_target((st)) 494 #endif 495 496 static const char *orb_status0[] = { 497 /* 0 */ "No additional information to report", 498 /* 1 */ "Request type not supported", 499 /* 2 */ "Speed not supported", 500 /* 3 */ "Page size not supported", 501 /* 4 */ "Access denied", 502 /* 5 */ "Logical unit not supported", 503 /* 6 */ "Maximum payload too small", 504 /* 7 */ "Reserved for future standardization", 505 /* 8 */ "Resources unavailable", 506 /* 9 */ "Function rejected", 507 /* A */ "Login ID not recognized", 508 /* B */ "Dummy ORB completed", 509 /* C */ "Request aborted", 510 /* FF */ "Unspecified error" 511 #define MAX_ORB_STATUS0 0xd 512 }; 513 514 static const char *orb_status1_object[] = { 515 /* 0 */ "Operation request block (ORB)", 516 /* 1 */ "Data buffer", 517 /* 2 */ "Page table", 518 /* 3 */ "Unable to specify" 519 }; 520 521 static const char *orb_status1_serial_bus_error[] = { 522 /* 0 */ "Missing acknowledge", 523 /* 1 */ "Reserved; not to be used", 524 /* 2 */ "Time-out error", 525 /* 3 */ "Reserved; not to be used", 526 /* 4 */ "Busy retry limit exceeded(X)", 527 /* 5 */ "Busy retry limit exceeded(A)", 528 /* 6 */ "Busy retry limit exceeded(B)", 529 /* 7 */ "Reserved for future standardization", 530 /* 8 */ "Reserved for future standardization", 531 /* 9 */ "Reserved for future standardization", 532 /* A */ "Reserved for future standardization", 533 /* B */ "Tardy retry limit exceeded", 534 /* C */ "Conflict error", 535 /* D */ "Data error", 536 /* E */ "Type error", 537 /* F */ "Address error" 538 }; 539 540 #if defined(__FreeBSD__) 541 #if 0 542 static void 543 sbp_identify(driver_t *driver, device_t parent) 544 { 545 device_t child; 546 SBP_DEBUG(0) 547 printf("sbp_identify\n"); 548 END_DEBUG 549 550 child = BUS_ADD_CHILD(parent, 0, "sbp", fw_get_unit(parent)); 551 } 552 #endif 553 554 /* 555 * sbp_probe() 556 */ 557 static int 558 sbp_probe(device_t dev) 559 { 560 device_t pa; 561 562 SBP_DEBUG(0) 563 printf("sbp_probe\n"); 564 END_DEBUG 565 566 pa = device_get_parent(dev); 567 if(fw_get_unit(dev) != fw_get_unit(pa)){ 568 return(ENXIO); 569 } 570 571 device_set_desc(dev, "SBP-2/SCSI over FireWire"); 572 573 #if 0 574 if (bootverbose) 575 debug = bootverbose; 576 #endif 577 578 return (0); 579 } 580 #elif defined(__NetBSD__) 581 int 582 sbpmatch(device_t parent, struct cfdata *cf, void *aux) 583 { 584 struct fw_attach_args *fwa = aux; 585 586 if (strcmp(fwa->name, "sbp") == 0) 587 return 1; 588 return 0; 589 } 590 #endif 591 592 static void 593 sbp_show_sdev_info(struct sbp_dev *sdev, int new) 594 { 595 struct fw_device *fwdev; 596 597 printf("%s:%d:%d ", 598 fw_get_nameunit(sdev->target->sbp->fd.dev), 599 sdev->target->target_id, 600 sdev->lun_id 601 ); 602 if (new == 2) { 603 return; 604 } 605 fwdev = sdev->target->fwdev; 606 printf("ordered:%d type:%d EUI:%08x%08x node:%d " 607 "speed:%d maxrec:%d", 608 (sdev->type & 0x40) >> 6, 609 (sdev->type & 0x1f), 610 fwdev->eui.hi, 611 fwdev->eui.lo, 612 fwdev->dst, 613 fwdev->speed, 614 fwdev->maxrec 615 ); 616 if (new) 617 printf(" new!\n"); 618 else 619 printf("\n"); 620 sbp_show_sdev_info(sdev, 2); 621 printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, sdev->revision); 622 } 623 624 static void 625 sbp_alloc_lun(struct sbp_target *target) 626 { 627 struct crom_context cc; 628 struct csrreg *reg; 629 struct sbp_dev *sdev, **newluns; 630 struct sbp_softc *sbp; 631 int maxlun, lun, i; 632 633 sbp = target->sbp; 634 crom_init_context(&cc, target->fwdev->csrrom); 635 /* XXX shoud parse appropriate unit directories only */ 636 maxlun = -1; 637 while (cc.depth >= 0) { 638 reg = crom_search_key(&cc, CROM_LUN); 639 if (reg == NULL) 640 break; 641 lun = reg->val & 0xffff; 642 SBP_DEBUG(0) 643 printf("target %d lun %d found\n", target->target_id, lun); 644 END_DEBUG 645 if (maxlun < lun) 646 maxlun = lun; 647 crom_next(&cc); 648 } 649 if (maxlun < 0) 650 printf("%s:%d no LUN found\n", 651 fw_get_nameunit(target->sbp->fd.dev), 652 target->target_id); 653 654 maxlun ++; 655 if (maxlun >= SBP_NUM_LUNS) 656 maxlun = SBP_NUM_LUNS; 657 658 /* Invalidiate stale devices */ 659 for (lun = 0; lun < target->num_lun; lun ++) { 660 sdev = target->luns[lun]; 661 if (sdev == NULL) 662 continue; 663 sdev->flags &= ~VALID_LUN; 664 if (lun >= maxlun) { 665 /* lost device */ 666 SBP_DETACH_SDEV(sdev); 667 sbp_free_sdev(sdev); 668 } 669 } 670 671 /* Reallocate */ 672 if (maxlun != target->num_lun) { 673 newluns = (struct sbp_dev **) realloc(target->luns, 674 sizeof(struct sbp_dev *) * maxlun, 675 M_SBP, M_NOWAIT | M_ZERO); 676 677 if (newluns == NULL) { 678 printf("%s: realloc failed\n", __func__); 679 newluns = target->luns; 680 maxlun = target->num_lun; 681 } 682 683 /* 684 * We must zero the extended region for the case 685 * realloc() doesn't allocate new buffer. 686 */ 687 if (maxlun > target->num_lun) 688 bzero(&newluns[target->num_lun], 689 sizeof(struct sbp_dev *) * 690 (maxlun - target->num_lun)); 691 692 target->luns = newluns; 693 target->num_lun = maxlun; 694 } 695 696 crom_init_context(&cc, target->fwdev->csrrom); 697 while (cc.depth >= 0) { 698 int new = 0; 699 700 reg = crom_search_key(&cc, CROM_LUN); 701 if (reg == NULL) 702 break; 703 lun = reg->val & 0xffff; 704 if (lun >= SBP_NUM_LUNS) { 705 printf("too large lun %d\n", lun); 706 goto next; 707 } 708 709 sdev = target->luns[lun]; 710 if (sdev == NULL) { 711 sdev = malloc(sizeof(struct sbp_dev), 712 M_SBP, M_NOWAIT | M_ZERO); 713 if (sdev == NULL) { 714 printf("%s: malloc failed\n", __func__); 715 goto next; 716 } 717 target->luns[lun] = sdev; 718 sdev->lun_id = lun; 719 sdev->target = target; 720 STAILQ_INIT(&sdev->ocbs); 721 fw_callout_init(&sdev->login_callout); 722 sdev->status = SBP_DEV_RESET; 723 new = 1; 724 SBP_DEVICE_PREATTACH(); 725 } 726 sdev->flags |= VALID_LUN; 727 sdev->type = (reg->val & 0xff0000) >> 16; 728 729 if (new == 0) 730 goto next; 731 732 fwdma_malloc(sbp->fd.fc, 733 /* alignment */ sizeof(uint32_t), 734 SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT); 735 if (sdev->dma.v_addr == NULL) { 736 printf("%s: dma space allocation failed\n", 737 __func__); 738 free(sdev, M_SBP); 739 target->luns[lun] = NULL; 740 goto next; 741 } 742 sdev->login = (struct sbp_login_res *) sdev->dma.v_addr; 743 sdev->ocb = (struct sbp_ocb *) 744 ((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE); 745 bzero((char *)sdev->ocb, 746 sizeof (struct sbp_ocb) * SBP_QUEUE_LEN); 747 748 STAILQ_INIT(&sdev->free_ocbs); 749 for (i = 0; i < SBP_QUEUE_LEN; i++) { 750 struct sbp_ocb *ocb; 751 ocb = &sdev->ocb[i]; 752 ocb->bus_addr = sdev->dma.bus_addr 753 + SBP_LOGIN_SIZE 754 + sizeof(struct sbp_ocb) * i 755 + offsetof(struct sbp_ocb, orb[0]); 756 if (fw_bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) { 757 printf("sbp_attach: cannot create dmamap\n"); 758 /* XXX */ 759 goto next; 760 } 761 sbp_free_ocb(sdev, ocb); 762 } 763 next: 764 crom_next(&cc); 765 } 766 767 for (lun = 0; lun < target->num_lun; lun ++) { 768 sdev = target->luns[lun]; 769 if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) { 770 SBP_DETACH_SDEV(sdev); 771 sbp_free_sdev(sdev); 772 target->luns[lun] = NULL; 773 } 774 } 775 } 776 777 static struct sbp_target * 778 sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev) 779 { 780 struct sbp_target *target; 781 struct crom_context cc; 782 struct csrreg *reg; 783 784 SBP_DEBUG(1) 785 printf("sbp_alloc_target\n"); 786 END_DEBUG 787 /* new target */ 788 target = &sbp->target; 789 target->sbp = sbp; 790 target->fwdev = fwdev; 791 target->target_id = 0; 792 /* XXX we may want to reload mgm port after each bus reset */ 793 /* XXX there might be multiple management agents */ 794 crom_init_context(&cc, target->fwdev->csrrom); 795 reg = crom_search_key(&cc, CROM_MGM); 796 if (reg == NULL || reg->val == 0) { 797 printf("NULL management address\n"); 798 target->fwdev = NULL; 799 return NULL; 800 } 801 target->mgm_hi = 0xffff; 802 target->mgm_lo = 0xf0000000 | (reg->val << 2); 803 target->mgm_ocb_cur = NULL; 804 SBP_DEBUG(1) 805 printf("target: mgm_port: %x\n", target->mgm_lo); 806 END_DEBUG 807 STAILQ_INIT(&target->xferlist); 808 target->n_xfer = 0; 809 STAILQ_INIT(&target->mgm_ocb_queue); 810 fw_callout_init(&target->mgm_ocb_timeout); 811 fw_callout_init(&target->scan_callout); 812 813 target->luns = NULL; 814 target->num_lun = 0; 815 return target; 816 } 817 818 static void 819 sbp_probe_lun(struct sbp_dev *sdev) 820 { 821 struct fw_device *fwdev; 822 struct crom_context c, *cc = &c; 823 struct csrreg *reg; 824 825 bzero(sdev->vendor, sizeof(sdev->vendor)); 826 bzero(sdev->product, sizeof(sdev->product)); 827 828 fwdev = sdev->target->fwdev; 829 crom_init_context(cc, fwdev->csrrom); 830 /* get vendor string */ 831 crom_search_key(cc, CSRKEY_VENDOR); 832 crom_next(cc); 833 crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor)); 834 /* skip to the unit directory for SBP-2 */ 835 while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) { 836 if (reg->val == CSRVAL_T10SBP2) 837 break; 838 crom_next(cc); 839 } 840 /* get firmware revision */ 841 reg = crom_search_key(cc, CSRKEY_FIRM_VER); 842 if (reg != NULL) 843 snprintf(sdev->revision, sizeof(sdev->revision), 844 "%06x", reg->val); 845 /* get product string */ 846 crom_search_key(cc, CSRKEY_MODEL); 847 crom_next(cc); 848 crom_parse_text(cc, sdev->product, sizeof(sdev->product)); 849 } 850 851 static void 852 sbp_login_callout(void *arg) 853 { 854 struct sbp_dev *sdev = (struct sbp_dev *)arg; 855 sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL); 856 } 857 858 static void 859 sbp_login(struct sbp_dev *sdev) 860 { 861 struct timeval delta; 862 struct timeval t; 863 int ticks = 0; 864 865 microtime(&delta); 866 fw_timevalsub(&delta, &sdev->target->sbp->last_busreset); 867 t.tv_sec = login_delay / 1000; 868 t.tv_usec = (login_delay % 1000) * 1000; 869 fw_timevalsub(&t, &delta); 870 if (t.tv_sec >= 0 && t.tv_usec > 0) 871 ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000; 872 SBP_DEBUG(0) 873 printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__, 874 (intmax_t)t.tv_sec, t.tv_usec, ticks); 875 END_DEBUG 876 fw_callout_reset(&sdev->login_callout, ticks, 877 sbp_login_callout, (void *)(sdev)); 878 } 879 880 static void 881 sbp_probe_target(void *arg) 882 { 883 struct sbp_target *target = (struct sbp_target *)arg; 884 struct sbp_softc *sbp; 885 struct sbp_dev *sdev; 886 struct firewire_comm *fc; 887 int i; 888 889 SBP_DEBUG(1) 890 printf("sbp_probe_target %d\n", target->target_id); 891 END_DEBUG 892 893 sbp = target->sbp; 894 fc = target->sbp->fd.fc; 895 sbp_alloc_lun(target); 896 897 /* XXX untimeout mgm_ocb and dequeue */ 898 for (i=0; i < target->num_lun; i++) { 899 sdev = target->luns[i]; 900 if (sdev == NULL) 901 continue; 902 if (sdev->status != SBP_DEV_DEAD) { 903 if (SBP_DEVICE(sdev) != NULL) { 904 SBP_LOCK(sbp); 905 SBP_DEVICE_FREEZE(sdev, 1); 906 sdev->freeze ++; 907 SBP_UNLOCK(sbp); 908 } 909 sbp_probe_lun(sdev); 910 SBP_DEBUG(0) 911 sbp_show_sdev_info(sdev, 912 (sdev->status == SBP_DEV_RESET)); 913 END_DEBUG 914 915 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 916 switch (sdev->status) { 917 case SBP_DEV_RESET: 918 /* new or revived target */ 919 if (auto_login) 920 sbp_login(sdev); 921 break; 922 case SBP_DEV_TOATTACH: 923 case SBP_DEV_PROBE: 924 case SBP_DEV_ATTACHED: 925 case SBP_DEV_RETRY: 926 default: 927 sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL); 928 break; 929 } 930 } else { 931 switch (sdev->status) { 932 case SBP_DEV_ATTACHED: 933 SBP_DEBUG(0) 934 /* the device has gone */ 935 sbp_show_sdev_info(sdev, 2); 936 printf("lost target\n"); 937 END_DEBUG 938 if (SBP_DEVICE(sdev) != NULL) { 939 SBP_LOCK(sbp); 940 SBP_DEVICE_FREEZE(sdev, 1); 941 sdev->freeze ++; 942 SBP_UNLOCK(sbp); 943 } 944 sdev->status = SBP_DEV_RETRY; 945 sbp_abort_all_ocbs(sdev, XS_SCSI_BUS_RESET); 946 break; 947 case SBP_DEV_PROBE: 948 case SBP_DEV_TOATTACH: 949 sdev->status = SBP_DEV_RESET; 950 break; 951 case SBP_DEV_RETRY: 952 case SBP_DEV_RESET: 953 case SBP_DEV_DEAD: 954 break; 955 } 956 } 957 } 958 } 959 960 #define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \ 961 && crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2)) 962 963 static void 964 sbp_post_busreset(void *arg) 965 { 966 struct sbp_softc *sbp = (struct sbp_softc *)arg; 967 struct sbp_target *target = &sbp->target; 968 struct fw_device *fwdev = target->fwdev; 969 int alive; 970 971 alive = SBP_FWDEV_ALIVE(fwdev); 972 SBP_DEBUG(0) 973 printf("sbp_post_busreset\n"); 974 if (!alive) 975 printf("not alive\n"); 976 END_DEBUG 977 microtime(&sbp->last_busreset); 978 979 if (!alive) 980 return; 981 982 SBP_LOCK(sbp); 983 SBP_BUS_FREEZE(sbp); 984 SBP_UNLOCK(sbp); 985 } 986 987 static void 988 sbp_post_explore(void *arg) 989 { 990 struct sbp_softc *sbp = (struct sbp_softc *)arg; 991 struct sbp_target *target = &sbp->target; 992 struct fw_device *fwdev = target->fwdev; 993 int alive; 994 995 alive = SBP_FWDEV_ALIVE(fwdev); 996 SBP_DEBUG(0) 997 printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold); 998 if (!alive) 999 printf("not alive\n"); 1000 END_DEBUG 1001 if (!alive) 1002 return; 1003 1004 if (sbp_cold > 0) 1005 sbp_cold --; 1006 1007 #if 0 1008 /* 1009 * XXX don't let CAM the bus rest. 1010 * CAM tries to do something with freezed (DEV_RETRY) devices. 1011 */ 1012 xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL); 1013 #endif 1014 1015 SBP_DEBUG(0) 1016 printf("sbp_post_explore: EUI:%08x%08x ", fwdev->eui.hi, fwdev->eui.lo); 1017 END_DEBUG 1018 sbp_probe_target((void *)target); 1019 if (target->num_lun == 0) 1020 sbp_free_target(target); 1021 1022 SBP_LOCK(sbp); 1023 SBP_BUS_THAW(sbp); 1024 SBP_UNLOCK(sbp); 1025 } 1026 1027 #if NEED_RESPONSE 1028 static void 1029 sbp_loginres_callback(struct fw_xfer *xfer){ 1030 int s; 1031 struct sbp_dev *sdev; 1032 sdev = (struct sbp_dev *)xfer->sc; 1033 SBP_DEBUG(1) 1034 sbp_show_sdev_info(sdev, 2); 1035 printf("sbp_loginres_callback\n"); 1036 END_DEBUG 1037 /* recycle */ 1038 s = splfw(); 1039 STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link); 1040 splx(s); 1041 return; 1042 } 1043 #endif 1044 1045 static inline void 1046 sbp_xfer_free(struct fw_xfer *xfer) 1047 { 1048 struct sbp_dev *sdev; 1049 int s; 1050 1051 sdev = (struct sbp_dev *)xfer->sc; 1052 fw_xfer_unload(xfer); 1053 s = splfw(); 1054 SBP_LOCK(sdev->target->sbp); 1055 STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link); 1056 SBP_UNLOCK(sdev->target->sbp); 1057 splx(s); 1058 } 1059 1060 static void 1061 sbp_reset_start_callback(struct fw_xfer *xfer) 1062 { 1063 struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc; 1064 struct sbp_target *target = sdev->target; 1065 int i; 1066 1067 if (xfer->resp != 0) { 1068 sbp_show_sdev_info(sdev, 2); 1069 printf("sbp_reset_start failed: resp=%d\n", xfer->resp); 1070 } 1071 1072 for (i = 0; i < target->num_lun; i++) { 1073 tsdev = target->luns[i]; 1074 if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN) 1075 sbp_login(tsdev); 1076 } 1077 } 1078 1079 static void 1080 sbp_reset_start(struct sbp_dev *sdev) 1081 { 1082 struct fw_xfer *xfer; 1083 struct fw_pkt *fp; 1084 1085 SBP_DEBUG(0) 1086 sbp_show_sdev_info(sdev, 2); 1087 printf("sbp_reset_start\n"); 1088 END_DEBUG 1089 1090 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1091 xfer->hand = sbp_reset_start_callback; 1092 fp = &xfer->send.hdr; 1093 fp->mode.wreqq.dest_hi = 0xffff; 1094 fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START; 1095 fp->mode.wreqq.data = htonl(0xf); 1096 fw_asyreq(xfer->fc, -1, xfer); 1097 } 1098 1099 static void 1100 sbp_mgm_callback(struct fw_xfer *xfer) 1101 { 1102 struct sbp_dev *sdev; 1103 int resp; 1104 1105 sdev = (struct sbp_dev *)xfer->sc; 1106 1107 SBP_DEBUG(1) 1108 sbp_show_sdev_info(sdev, 2); 1109 printf("sbp_mgm_callback\n"); 1110 END_DEBUG 1111 resp = xfer->resp; 1112 sbp_xfer_free(xfer); 1113 #if 0 1114 if (resp != 0) { 1115 sbp_show_sdev_info(sdev, 2); 1116 printf("management ORB failed(%d) ... RESET_START\n", resp); 1117 sbp_reset_start(sdev); 1118 } 1119 #endif 1120 return; 1121 } 1122 1123 #if defined(__FreeBSD__) 1124 static struct sbp_dev * 1125 sbp_next_dev(struct sbp_target *target, int lun) 1126 { 1127 struct sbp_dev **sdevp; 1128 int i; 1129 1130 for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun; 1131 i++, sdevp++) 1132 if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE) 1133 return(*sdevp); 1134 return(NULL); 1135 } 1136 1137 #define SCAN_PRI 1 1138 static void 1139 sbp_cam_scan_lun(struct cam_periph *periph, sbp_scsi_xfer *sxfer) 1140 { 1141 struct sbp_target *target; 1142 struct sbp_dev *sdev; 1143 1144 sdev = (struct sbp_dev *) sxfer->ccb_h.ccb_sdev_ptr; 1145 target = sdev->target; 1146 SBP_DEBUG(0) 1147 sbp_show_sdev_info(sdev, 2); 1148 printf("sbp_cam_scan_lun\n"); 1149 END_DEBUG 1150 if ((SCSI_XFER_ERROR(sxfer) & CAM_STATUS_MASK) == XS_REQ_CMP) { 1151 sdev->status = SBP_DEV_ATTACHED; 1152 } else { 1153 sbp_show_sdev_info(sdev, 2); 1154 printf("scan failed\n"); 1155 } 1156 sdev = sbp_next_dev(target, sdev->lun_id + 1); 1157 if (sdev == NULL) { 1158 free(sxfer, M_SBP); 1159 return; 1160 } 1161 /* reuse sxfer */ 1162 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1163 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1164 xpt_action(sxfer); 1165 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1166 sdev->freeze = 1; 1167 } 1168 1169 static void 1170 sbp_cam_scan_target(void *arg) 1171 { 1172 struct sbp_target *target = (struct sbp_target *)arg; 1173 struct sbp_dev *sdev; 1174 sbp_scsi_xfer *sxfer; 1175 1176 sdev = sbp_next_dev(target, 0); 1177 if (sdev == NULL) { 1178 printf("sbp_cam_scan_target: nothing to do for target%d\n", 1179 target->target_id); 1180 return; 1181 } 1182 SBP_DEBUG(0) 1183 sbp_show_sdev_info(sdev, 2); 1184 printf("sbp_cam_scan_target\n"); 1185 END_DEBUG 1186 sxfer = malloc(sizeof(sbp_scsi_xfer), M_SBP, M_NOWAIT | M_ZERO); 1187 if (sxfer == NULL) { 1188 printf("sbp_cam_scan_target: malloc failed\n"); 1189 return; 1190 } 1191 xpt_setup_ccb(&sxfer->ccb_h, sdev->path, SCAN_PRI); 1192 sxfer->ccb_h.func_code = XPT_SCAN_LUN; 1193 sxfer->ccb_h.cbfcnp = sbp_cam_scan_lun; 1194 sxfer->ccb_h.flags |= CAM_DEV_QFREEZE; 1195 sxfer->crcn.flags = CAM_FLAG_NONE; 1196 sxfer->ccb_h.ccb_sdev_ptr = sdev; 1197 1198 /* The scan is in progress now. */ 1199 SBP_LOCK(target->sbp); 1200 xpt_action(sxfer); 1201 xpt_release_devq(sdev->path, sdev->freeze, TRUE); 1202 sdev->freeze = 1; 1203 SBP_UNLOCK(target->sbp); 1204 } 1205 1206 static inline void 1207 sbp_scan_dev(struct sbp_dev *sdev) 1208 { 1209 sdev->status = SBP_DEV_PROBE; 1210 fw_callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000, 1211 sbp_cam_scan_target, (void *)sdev->target); 1212 } 1213 #elif defined(__NetBSD__) 1214 static void 1215 sbp_scsipi_scan_target(void *arg) 1216 { 1217 struct sbp_target *target = (struct sbp_target *)arg; 1218 struct sbp_softc *sbp = target->sbp; 1219 struct sbp_dev *sdev; 1220 struct scsipi_channel *chan = &sbp->sc_channel; 1221 struct scsibus_softc *sc_bus = device_private(sbp->sc_bus); 1222 int lun, yet; 1223 1224 do { 1225 tsleep(target, PWAIT|PCATCH, "-", 0); 1226 yet = 0; 1227 1228 for (lun = 0; lun < target->num_lun; lun ++) { 1229 sdev = target->luns[lun]; 1230 if (sdev == NULL) 1231 continue; 1232 if (sdev->status != SBP_DEV_PROBE) { 1233 yet ++; 1234 continue; 1235 } 1236 1237 if (sdev->periph == NULL) { 1238 if (chan->chan_nluns < target->num_lun) 1239 chan->chan_nluns = target->num_lun; 1240 1241 scsi_probe_bus(sc_bus, 1242 target->target_id, sdev->lun_id); 1243 sdev->periph = scsipi_lookup_periph( 1244 chan, target->target_id, lun); 1245 } 1246 sdev->status = SBP_DEV_ATTACHED; 1247 } 1248 } while (yet > 0); 1249 1250 sbp->lwp = NULL; 1251 kthread_exit(0); 1252 } 1253 1254 static inline void 1255 sbp_scan_dev(struct sbp_dev *sdev) 1256 { 1257 sdev->status = SBP_DEV_PROBE; 1258 wakeup(sdev->target); 1259 } 1260 #endif 1261 1262 1263 static void 1264 sbp_do_attach(struct fw_xfer *xfer) 1265 { 1266 struct sbp_dev *sdev; 1267 struct sbp_target *target; 1268 struct sbp_softc *sbp; 1269 1270 sdev = (struct sbp_dev *)xfer->sc; 1271 target = sdev->target; 1272 sbp = target->sbp; 1273 1274 SBP_DEBUG(0) 1275 sbp_show_sdev_info(sdev, 2); 1276 printf("sbp_do_attach\n"); 1277 END_DEBUG 1278 sbp_xfer_free(xfer); 1279 1280 #if defined(__FreeBSD__) 1281 if (sdev->path == NULL) 1282 xpt_create_path(&sdev->path, xpt_periph, 1283 cam_sim_path(target->sbp->sim), 1284 target->target_id, sdev->lun_id); 1285 1286 /* 1287 * Let CAM scan the bus if we are in the boot process. 1288 * XXX xpt_scan_bus cannot detect LUN larger than 0 1289 * if LUN 0 doesn't exists. 1290 */ 1291 if (sbp_cold > 0) { 1292 sdev->status = SBP_DEV_ATTACHED; 1293 return; 1294 } 1295 #endif 1296 1297 sbp_scan_dev(sdev); 1298 return; 1299 } 1300 1301 static void 1302 sbp_agent_reset_callback(struct fw_xfer *xfer) 1303 { 1304 struct sbp_dev *sdev; 1305 1306 sdev = (struct sbp_dev *)xfer->sc; 1307 SBP_DEBUG(1) 1308 sbp_show_sdev_info(sdev, 2); 1309 printf("%s\n", __func__); 1310 END_DEBUG 1311 if (xfer->resp != 0) { 1312 sbp_show_sdev_info(sdev, 2); 1313 printf("%s: resp=%d\n", __func__, xfer->resp); 1314 } 1315 1316 sbp_xfer_free(xfer); 1317 if (SBP_DEVICE(sdev)) { 1318 SBP_LOCK(sdev->target->sbp); 1319 SBP_DEVICE_THAW(sdev, sdev->freeze); 1320 sdev->freeze = 0; 1321 SBP_UNLOCK(sdev->target->sbp); 1322 } 1323 } 1324 1325 static void 1326 sbp_agent_reset(struct sbp_dev *sdev) 1327 { 1328 struct fw_xfer *xfer; 1329 struct fw_pkt *fp; 1330 1331 SBP_DEBUG(0) 1332 sbp_show_sdev_info(sdev, 2); 1333 printf("sbp_agent_reset\n"); 1334 END_DEBUG 1335 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04); 1336 if (xfer == NULL) 1337 return; 1338 if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE) 1339 xfer->hand = sbp_agent_reset_callback; 1340 else 1341 xfer->hand = sbp_do_attach; 1342 fp = &xfer->send.hdr; 1343 fp->mode.wreqq.data = htonl(0xf); 1344 fw_asyreq(xfer->fc, -1, xfer); 1345 sbp_abort_all_ocbs(sdev, XS_BDR_SENT); 1346 } 1347 1348 static void 1349 sbp_busy_timeout_callback(struct fw_xfer *xfer) 1350 { 1351 struct sbp_dev *sdev; 1352 1353 sdev = (struct sbp_dev *)xfer->sc; 1354 SBP_DEBUG(1) 1355 sbp_show_sdev_info(sdev, 2); 1356 printf("sbp_busy_timeout_callback\n"); 1357 END_DEBUG 1358 sbp_xfer_free(xfer); 1359 sbp_agent_reset(sdev); 1360 } 1361 1362 static void 1363 sbp_busy_timeout(struct sbp_dev *sdev) 1364 { 1365 struct fw_pkt *fp; 1366 struct fw_xfer *xfer; 1367 SBP_DEBUG(0) 1368 sbp_show_sdev_info(sdev, 2); 1369 printf("sbp_busy_timeout\n"); 1370 END_DEBUG 1371 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0); 1372 1373 xfer->hand = sbp_busy_timeout_callback; 1374 fp = &xfer->send.hdr; 1375 fp->mode.wreqq.dest_hi = 0xffff; 1376 fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT; 1377 fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf); 1378 fw_asyreq(xfer->fc, -1, xfer); 1379 } 1380 1381 static void 1382 sbp_orb_pointer_callback(struct fw_xfer *xfer) 1383 { 1384 struct sbp_dev *sdev; 1385 sdev = (struct sbp_dev *)xfer->sc; 1386 1387 SBP_DEBUG(1) 1388 sbp_show_sdev_info(sdev, 2); 1389 printf("%s\n", __func__); 1390 END_DEBUG 1391 if (xfer->resp != 0) { 1392 /* XXX */ 1393 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1394 } 1395 sbp_xfer_free(xfer); 1396 sdev->flags &= ~ORB_POINTER_ACTIVE; 1397 1398 if ((sdev->flags & ORB_POINTER_NEED) != 0) { 1399 struct sbp_ocb *ocb; 1400 1401 sdev->flags &= ~ORB_POINTER_NEED; 1402 ocb = STAILQ_FIRST(&sdev->ocbs); 1403 if (ocb != NULL) 1404 sbp_orb_pointer(sdev, ocb); 1405 } 1406 return; 1407 } 1408 1409 static void 1410 sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb) 1411 { 1412 struct fw_xfer *xfer; 1413 struct fw_pkt *fp; 1414 SBP_DEBUG(1) 1415 sbp_show_sdev_info(sdev, 2); 1416 printf("%s: 0x%08x\n", __func__, (uint32_t)ocb->bus_addr); 1417 END_DEBUG 1418 1419 if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) { 1420 SBP_DEBUG(0) 1421 printf("%s: orb pointer active\n", __func__); 1422 END_DEBUG 1423 sdev->flags |= ORB_POINTER_NEED; 1424 return; 1425 } 1426 1427 sdev->flags |= ORB_POINTER_ACTIVE; 1428 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08); 1429 if (xfer == NULL) 1430 return; 1431 xfer->hand = sbp_orb_pointer_callback; 1432 1433 fp = &xfer->send.hdr; 1434 fp->mode.wreqb.len = 8; 1435 fp->mode.wreqb.extcode = 0; 1436 xfer->send.payload[0] = 1437 htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16)); 1438 xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr); 1439 1440 if(fw_asyreq(xfer->fc, -1, xfer) != 0){ 1441 sbp_xfer_free(xfer); 1442 SCSI_XFER_ERROR(ocb->sxfer) = XS_REQ_INVALID; 1443 SCSI_TRANSFER_DONE(ocb->sxfer); 1444 } 1445 } 1446 1447 static void 1448 sbp_doorbell_callback(struct fw_xfer *xfer) 1449 { 1450 struct sbp_dev *sdev; 1451 sdev = (struct sbp_dev *)xfer->sc; 1452 1453 SBP_DEBUG(1) 1454 sbp_show_sdev_info(sdev, 2); 1455 printf("sbp_doorbell_callback\n"); 1456 END_DEBUG 1457 if (xfer->resp != 0) { 1458 /* XXX */ 1459 printf("%s: xfer->resp = %d\n", __func__, xfer->resp); 1460 } 1461 sbp_xfer_free(xfer); 1462 sdev->flags &= ~ORB_DOORBELL_ACTIVE; 1463 if ((sdev->flags & ORB_DOORBELL_NEED) != 0) { 1464 sdev->flags &= ~ORB_DOORBELL_NEED; 1465 sbp_doorbell(sdev); 1466 } 1467 return; 1468 } 1469 1470 static void 1471 sbp_doorbell(struct sbp_dev *sdev) 1472 { 1473 struct fw_xfer *xfer; 1474 struct fw_pkt *fp; 1475 SBP_DEBUG(1) 1476 sbp_show_sdev_info(sdev, 2); 1477 printf("sbp_doorbell\n"); 1478 END_DEBUG 1479 1480 if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) { 1481 sdev->flags |= ORB_DOORBELL_NEED; 1482 return; 1483 } 1484 sdev->flags |= ORB_DOORBELL_ACTIVE; 1485 xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10); 1486 if (xfer == NULL) 1487 return; 1488 xfer->hand = sbp_doorbell_callback; 1489 fp = &xfer->send.hdr; 1490 fp->mode.wreqq.data = htonl(0xf); 1491 fw_asyreq(xfer->fc, -1, xfer); 1492 } 1493 1494 static struct fw_xfer * 1495 sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset) 1496 { 1497 struct fw_xfer *xfer; 1498 struct fw_pkt *fp; 1499 struct sbp_target *target; 1500 int s, new = 0; 1501 1502 target = sdev->target; 1503 s = splfw(); 1504 xfer = STAILQ_FIRST(&target->xferlist); 1505 if (xfer == NULL) { 1506 if (target->n_xfer > 5 /* XXX */) { 1507 printf("sbp: no more xfer for this target\n"); 1508 splx(s); 1509 return(NULL); 1510 } 1511 xfer = fw_xfer_alloc_buf(M_SBP, 8, 0); 1512 if(xfer == NULL){ 1513 printf("sbp: fw_xfer_alloc_buf failed\n"); 1514 splx(s); 1515 return NULL; 1516 } 1517 target->n_xfer ++; 1518 if (debug) 1519 printf("sbp: alloc %d xfer\n", target->n_xfer); 1520 new = 1; 1521 } else { 1522 STAILQ_REMOVE_HEAD(&target->xferlist, link); 1523 } 1524 splx(s); 1525 1526 microtime(&xfer->tv); 1527 1528 if (new) { 1529 xfer->recv.pay_len = 0; 1530 xfer->send.spd = min(sdev->target->fwdev->speed, max_speed); 1531 xfer->fc = sdev->target->sbp->fd.fc; 1532 } 1533 1534 if (tcode == FWTCODE_WREQB) 1535 xfer->send.pay_len = 8; 1536 else 1537 xfer->send.pay_len = 0; 1538 1539 xfer->sc = (void *)sdev; 1540 fp = &xfer->send.hdr; 1541 fp->mode.wreqq.dest_hi = sdev->login->cmd_hi; 1542 fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset; 1543 fp->mode.wreqq.tlrt = 0; 1544 fp->mode.wreqq.tcode = tcode; 1545 fp->mode.wreqq.pri = 0; 1546 fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst; 1547 1548 return xfer; 1549 } 1550 1551 static void 1552 sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb) 1553 { 1554 struct fw_xfer *xfer; 1555 struct fw_pkt *fp; 1556 struct sbp_ocb *ocb; 1557 struct sbp_target *target; 1558 int s, nid, dv_unit; 1559 1560 target = sdev->target; 1561 nid = target->sbp->fd.fc->nodeid | FWLOCALBUS; 1562 dv_unit = fw_get_unit(target->sbp->fd.dev); 1563 1564 s = splfw(); 1565 SBP_LOCK(target->sbp); 1566 if (func == ORB_FUN_RUNQUEUE) { 1567 ocb = STAILQ_FIRST(&target->mgm_ocb_queue); 1568 if (target->mgm_ocb_cur != NULL || ocb == NULL) { 1569 SBP_UNLOCK(target->sbp); 1570 splx(s); 1571 return; 1572 } 1573 STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb); 1574 SBP_UNLOCK(target->sbp); 1575 goto start; 1576 } 1577 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 1578 SBP_UNLOCK(target->sbp); 1579 splx(s); 1580 /* XXX */ 1581 return; 1582 } 1583 SBP_UNLOCK(target->sbp); 1584 ocb->flags = OCB_ACT_MGM; 1585 ocb->sdev = sdev; 1586 1587 bzero((void *)ocb->orb, sizeof(ocb->orb)); 1588 ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI); 1589 ocb->orb[7] = htonl(SBP_DEV2ADDR(dv_unit, sdev->lun_id)); 1590 1591 SBP_DEBUG(0) 1592 sbp_show_sdev_info(sdev, 2); 1593 printf("%s\n", orb_fun_name[(func>>16)&0xf]); 1594 END_DEBUG 1595 switch (func) { 1596 case ORB_FUN_LGI: 1597 ocb->orb[0] = ocb->orb[1] = 0; /* password */ 1598 ocb->orb[2] = htonl(nid << 16); 1599 ocb->orb[3] = htonl(sdev->dma.bus_addr); 1600 ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id); 1601 if (ex_login) 1602 ocb->orb[4] |= htonl(ORB_EXV); 1603 ocb->orb[5] = htonl(SBP_LOGIN_SIZE); 1604 break; 1605 case ORB_FUN_ATA: 1606 ocb->orb[0] = htonl((0 << 16) | 0); 1607 ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff); 1608 /* fall through */ 1609 case ORB_FUN_RCN: 1610 case ORB_FUN_LGO: 1611 case ORB_FUN_LUR: 1612 case ORB_FUN_RST: 1613 case ORB_FUN_ATS: 1614 ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id); 1615 break; 1616 } 1617 1618 if (target->mgm_ocb_cur != NULL) { 1619 /* there is a standing ORB */ 1620 SBP_LOCK(target->sbp); 1621 STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb); 1622 SBP_UNLOCK(target->sbp); 1623 splx(s); 1624 return; 1625 } 1626 start: 1627 target->mgm_ocb_cur = ocb; 1628 splx(s); 1629 1630 fw_callout_reset(&target->mgm_ocb_timeout, 5*hz, 1631 sbp_mgm_timeout, (void *)ocb); 1632 xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0); 1633 if(xfer == NULL){ 1634 return; 1635 } 1636 xfer->hand = sbp_mgm_callback; 1637 1638 fp = &xfer->send.hdr; 1639 fp->mode.wreqb.dest_hi = sdev->target->mgm_hi; 1640 fp->mode.wreqb.dest_lo = sdev->target->mgm_lo; 1641 fp->mode.wreqb.len = 8; 1642 fp->mode.wreqb.extcode = 0; 1643 xfer->send.payload[0] = htonl(nid << 16); 1644 xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff); 1645 SBP_DEBUG(0) 1646 sbp_show_sdev_info(sdev, 2); 1647 printf("mgm orb: %08x\n", (uint32_t)ocb->bus_addr); 1648 END_DEBUG 1649 1650 /* cache writeback & invalidate(required ORB_FUN_LGI func) */ 1651 /* when abort_ocb, should sync POST ope ? */ 1652 fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); 1653 fw_asyreq(xfer->fc, -1, xfer); 1654 } 1655 1656 static void 1657 sbp_print_scsi_cmd(struct sbp_ocb *ocb) 1658 { 1659 #if defined(__FreeBSD__) 1660 struct ccb_scsiio *csio; 1661 1662 csio = &ocb->sxfer->csio; 1663 #endif 1664 printf("%s:%d:%d XPT_SCSI_IO: " 1665 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 1666 ", flags: 0x%02x, " 1667 "%db cmd/%db data/%db sense\n", 1668 fw_get_nameunit(ocb->sdev->target->sbp->fd.dev), 1669 SCSI_XFER_TARGET(ocb->sxfer), SCSI_XFER_LUN(ocb->sxfer), 1670 SCSI_XFER_10BCMD_DUMP(ocb->sxfer), 1671 SCSI_XFER_DIR(ocb->sxfer), 1672 SCSI_XFER_CMDLEN(ocb->sxfer), SCSI_XFER_DATALEN(ocb->sxfer), 1673 SCSI_XFER_SENSELEN(ocb->sxfer)); 1674 } 1675 1676 static void 1677 sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb) 1678 { 1679 struct sbp_cmd_status *sbp_cmd_status; 1680 scsi3_sense_data_t sense = 1681 (scsi3_sense_data_t)SCSI_SENSE_DATA(ocb->sxfer); 1682 1683 sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data; 1684 1685 SBP_DEBUG(0) 1686 sbp_print_scsi_cmd(ocb); 1687 /* XXX need decode status */ 1688 sbp_show_sdev_info(ocb->sdev, 2); 1689 printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n", 1690 sbp_cmd_status->status, 1691 sbp_cmd_status->sfmt, 1692 sbp_cmd_status->valid, 1693 sbp_cmd_status->s_key, 1694 sbp_cmd_status->s_code, 1695 sbp_cmd_status->s_qlfr, 1696 sbp_status->len 1697 ); 1698 END_DEBUG 1699 1700 switch (sbp_cmd_status->status) { 1701 case SCSI_STATUS_CHECK_COND: 1702 case SCSI_STATUS_BUSY: 1703 case SCSI_STATUS_CMD_TERMINATED: 1704 if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){ 1705 sense->response_code = SSD_CURRENT_ERROR; 1706 }else{ 1707 sense->response_code = SSD_DEFERRED_ERROR; 1708 } 1709 if(sbp_cmd_status->valid) 1710 sense->response_code |= SSD_RESPONSE_CODE_VALID; 1711 sense->flags = sbp_cmd_status->s_key; 1712 if(sbp_cmd_status->mark) 1713 sense->flags |= SSD_FILEMARK; 1714 if(sbp_cmd_status->eom) 1715 sense->flags |= SSD_EOM; 1716 if(sbp_cmd_status->ill_len) 1717 sense->flags |= SSD_ILI; 1718 1719 bcopy(&sbp_cmd_status->info, &sense->information[0], 4); 1720 1721 if (sbp_status->len <= 1) 1722 /* XXX not scsi status. shouldn't be happened */ 1723 sense->asl = 0; 1724 else if (sbp_status->len <= 4) 1725 /* add_sense_code(_qual), info, cmd_spec_info */ 1726 sense->asl = 6; 1727 else 1728 /* fru, sense_key_spec */ 1729 sense->asl = 10; 1730 1731 bcopy(&sbp_cmd_status->cdb, &sense->csi[0], 4); 1732 1733 sense->asc = sbp_cmd_status->s_code; 1734 sense->ascq = sbp_cmd_status->s_qlfr; 1735 sense->fruc = sbp_cmd_status->fru; 1736 1737 bcopy(&sbp_cmd_status->s_keydep[0], &sense->sks[0], 3); 1738 SCSI_XFER_ERROR(ocb->sxfer) = XS_SENSE; 1739 SCSI_XFER_STATUS(ocb->sxfer) = sbp_cmd_status->status; 1740 /* 1741 { 1742 uint8_t j, *tmp; 1743 tmp = sense; 1744 for( j = 0 ; j < 32 ; j+=8){ 1745 printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n", 1746 tmp[j], tmp[j+1], tmp[j+2], tmp[j+3], 1747 tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]); 1748 } 1749 1750 } 1751 */ 1752 break; 1753 default: 1754 sbp_show_sdev_info(ocb->sdev, 2); 1755 printf("sbp_scsi_status: unknown scsi status 0x%x\n", 1756 sbp_cmd_status->status); 1757 } 1758 } 1759 1760 static void 1761 sbp_fix_inq_data(struct sbp_ocb *ocb) 1762 { 1763 sbp_scsi_xfer *sxfer = ocb->sxfer; 1764 struct sbp_dev *sdev; 1765 scsi3_inquiry_data_t inq = 1766 (scsi3_inquiry_data_t)SCSI_INQUIRY_DATA(sxfer); 1767 sdev = ocb->sdev; 1768 1769 if (SCSI_XFER_EVPD(sxfer)) 1770 return; 1771 SBP_DEBUG(1) 1772 sbp_show_sdev_info(sdev, 2); 1773 printf("sbp_fix_inq_data\n"); 1774 END_DEBUG 1775 switch (inq->device & SID_TYPE) { 1776 case T_DIRECT: 1777 #if 0 1778 /* 1779 * XXX Convert Direct Access device to RBC. 1780 * I've never seen FireWire DA devices which support READ_6. 1781 */ 1782 if ((inq->device & SID_TYPE) == T_DIRECT) 1783 inq->device |= T_RBC; /* T_DIRECT == 0 */ 1784 #endif 1785 /* fall through */ 1786 case T_RBC: 1787 /* 1788 * Override vendor/product/revision information. 1789 * Some devices sometimes return strange strings. 1790 */ 1791 #if 1 1792 bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor)); 1793 bcopy(sdev->product, inq->product, sizeof(inq->product)); 1794 bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision)); 1795 #endif 1796 break; 1797 } 1798 /* 1799 * Force to enable/disable tagged queuing. 1800 * XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page. 1801 */ 1802 if (sbp_tags > 0) 1803 inq->flags[1] |= SID_CmdQue; 1804 else if (sbp_tags < 0) 1805 inq->flags[1] &= ~SID_CmdQue; 1806 1807 } 1808 1809 static void 1810 sbp_recv1(struct fw_xfer *xfer) 1811 { 1812 struct fw_pkt *rfp; 1813 #if NEED_RESPONSE 1814 struct fw_pkt *sfp; 1815 #endif 1816 struct sbp_softc *sbp; 1817 struct sbp_dev *sdev; 1818 struct sbp_ocb *ocb; 1819 struct sbp_login_res *login_res = NULL; 1820 struct sbp_status *sbp_status; 1821 struct sbp_target *target; 1822 int orb_fun, status_valid0, status_valid, l, reset_agent = 0; 1823 uint32_t addr; 1824 /* 1825 uint32_t *ld; 1826 ld = xfer->recv.buf; 1827 printf("sbp %x %d %d %08x %08x %08x %08x\n", 1828 xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3])); 1829 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7])); 1830 printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11])); 1831 */ 1832 sbp = (struct sbp_softc *)xfer->sc; 1833 if (xfer->resp != 0){ 1834 printf("sbp_recv: xfer->resp = %d\n", xfer->resp); 1835 goto done0; 1836 } 1837 if (xfer->recv.payload == NULL){ 1838 printf("sbp_recv: xfer->recv.payload == NULL\n"); 1839 goto done0; 1840 } 1841 rfp = &xfer->recv.hdr; 1842 if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){ 1843 printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode); 1844 goto done0; 1845 } 1846 sbp_status = (struct sbp_status *)xfer->recv.payload; 1847 addr = rfp->mode.wreqb.dest_lo; 1848 SBP_DEBUG(2) 1849 printf("received address 0x%x\n", addr); 1850 END_DEBUG 1851 target = &sbp->target; 1852 l = SBP_ADDR2LUN(addr); 1853 if (l >= target->num_lun || target->luns[l] == NULL) { 1854 fw_printf(sbp->fd.dev, 1855 "sbp_recv1: invalid lun %d (target=%d)\n", 1856 l, target->target_id); 1857 goto done0; 1858 } 1859 sdev = target->luns[l]; 1860 1861 fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); 1862 1863 ocb = NULL; 1864 switch (sbp_status->src) { 1865 case SRC_NEXT_EXISTS: 1866 case SRC_NO_NEXT: 1867 /* check mgm_ocb_cur first */ 1868 ocb = target->mgm_ocb_cur; 1869 if (ocb != NULL) { 1870 if (OCB_MATCH(ocb, sbp_status)) { 1871 fw_callout_stop(&target->mgm_ocb_timeout); 1872 target->mgm_ocb_cur = NULL; 1873 break; 1874 } 1875 } 1876 ocb = sbp_dequeue_ocb(sdev, sbp_status); 1877 if (ocb == NULL) { 1878 sbp_show_sdev_info(sdev, 2); 1879 #if defined(__DragonFly__) || \ 1880 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1881 printf("No ocb(%lx) on the queue\n", 1882 #else 1883 printf("No ocb(%x) on the queue\n", 1884 #endif 1885 ntohl(sbp_status->orb_lo)); 1886 } 1887 break; 1888 case SRC_UNSOL: 1889 /* unsolicit */ 1890 sbp_show_sdev_info(sdev, 2); 1891 printf("unsolicit status received\n"); 1892 break; 1893 default: 1894 sbp_show_sdev_info(sdev, 2); 1895 printf("unknown sbp_status->src\n"); 1896 } 1897 1898 status_valid0 = (sbp_status->src < 2 1899 && sbp_status->resp == SBP_REQ_CMP 1900 && sbp_status->dead == 0); 1901 status_valid = (status_valid0 && sbp_status->status == 0); 1902 1903 if (!status_valid0 || debug > 2){ 1904 int status; 1905 SBP_DEBUG(0) 1906 sbp_show_sdev_info(sdev, 2); 1907 printf("ORB status src:%x resp:%x dead:%x" 1908 #if defined(__DragonFly__) || \ 1909 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 1910 " len:%x stat:%x orb:%x%08lx\n", 1911 #else 1912 " len:%x stat:%x orb:%x%08x\n", 1913 #endif 1914 sbp_status->src, sbp_status->resp, sbp_status->dead, 1915 sbp_status->len, sbp_status->status, 1916 ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo)); 1917 END_DEBUG 1918 sbp_show_sdev_info(sdev, 2); 1919 status = sbp_status->status; 1920 switch(sbp_status->resp) { 1921 case SBP_REQ_CMP: 1922 if (status > MAX_ORB_STATUS0) 1923 printf("%s\n", orb_status0[MAX_ORB_STATUS0]); 1924 else 1925 printf("%s\n", orb_status0[status]); 1926 break; 1927 case SBP_TRANS_FAIL: 1928 printf("Obj: %s, Error: %s\n", 1929 orb_status1_object[(status>>6) & 3], 1930 orb_status1_serial_bus_error[status & 0xf]); 1931 break; 1932 case SBP_ILLE_REQ: 1933 printf("Illegal request\n"); 1934 break; 1935 case SBP_VEND_DEP: 1936 printf("Vendor dependent\n"); 1937 break; 1938 default: 1939 printf("unknown respose code %d\n", sbp_status->resp); 1940 } 1941 } 1942 1943 /* we have to reset the fetch agent if it's dead */ 1944 if (sbp_status->dead) { 1945 if (SBP_DEVICE(sdev) != NULL) { 1946 SBP_LOCK(sbp); 1947 SBP_DEVICE_FREEZE(sdev, 1); 1948 sdev->freeze ++; 1949 SBP_UNLOCK(sbp); 1950 } 1951 reset_agent = 1; 1952 } 1953 1954 if (ocb == NULL) 1955 goto done; 1956 1957 switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){ 1958 case ORB_FMT_NOP: 1959 break; 1960 case ORB_FMT_VED: 1961 break; 1962 case ORB_FMT_STD: 1963 switch(ocb->flags) { 1964 case OCB_ACT_MGM: 1965 orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK; 1966 reset_agent = 0; 1967 switch(orb_fun) { 1968 case ORB_FUN_LGI: 1969 login_res = sdev->login; 1970 login_res->len = ntohs(login_res->len); 1971 login_res->id = ntohs(login_res->id); 1972 login_res->cmd_hi = ntohs(login_res->cmd_hi); 1973 login_res->cmd_lo = ntohl(login_res->cmd_lo); 1974 if (status_valid) { 1975 SBP_DEBUG(0) 1976 sbp_show_sdev_info(sdev, 2); 1977 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)); 1978 END_DEBUG 1979 sbp_busy_timeout(sdev); 1980 } else { 1981 /* forgot logout? */ 1982 sbp_show_sdev_info(sdev, 2); 1983 printf("login failed\n"); 1984 sdev->status = SBP_DEV_RESET; 1985 } 1986 break; 1987 case ORB_FUN_RCN: 1988 login_res = sdev->login; 1989 if (status_valid) { 1990 SBP_DEBUG(0) 1991 sbp_show_sdev_info(sdev, 2); 1992 printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo); 1993 END_DEBUG 1994 #if 1 1995 #if defined(__FreeBSD__) 1996 if (sdev->status == SBP_DEV_ATTACHED) 1997 sbp_scan_dev(sdev); 1998 else 1999 #endif 2000 sbp_agent_reset(sdev); 2001 #else 2002 sdev->status = SBP_DEV_ATTACHED; 2003 sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL); 2004 #endif 2005 } else { 2006 /* reconnection hold time exceed? */ 2007 SBP_DEBUG(0) 2008 sbp_show_sdev_info(sdev, 2); 2009 printf("reconnect failed\n"); 2010 END_DEBUG 2011 sbp_login(sdev); 2012 } 2013 break; 2014 case ORB_FUN_LGO: 2015 sdev->status = SBP_DEV_RESET; 2016 break; 2017 case ORB_FUN_RST: 2018 sbp_busy_timeout(sdev); 2019 break; 2020 case ORB_FUN_LUR: 2021 case ORB_FUN_ATA: 2022 case ORB_FUN_ATS: 2023 sbp_agent_reset(sdev); 2024 break; 2025 default: 2026 sbp_show_sdev_info(sdev, 2); 2027 printf("unknown function %d\n", orb_fun); 2028 break; 2029 } 2030 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2031 break; 2032 case OCB_ACT_CMD: 2033 sdev->timeout = 0; 2034 if(ocb->sxfer != NULL){ 2035 sbp_scsi_xfer *sxfer = ocb->sxfer; 2036 /* 2037 uint32_t *ld = SCSI_XFER_DATA(ocb->sxfer); 2038 if(ld != NULL && 2039 SCSI_XFER_DATALEN(ocb->sxfer) != 0) 2040 printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]); 2041 else 2042 printf("ptr NULL\n"); 2043 printf("len %d\n", sbp_status->len); 2044 */ 2045 if(sbp_status->len > 1){ 2046 sbp_scsi_status(sbp_status, ocb); 2047 }else{ 2048 if(sbp_status->resp != SBP_REQ_CMP){ 2049 SCSI_XFER_ERROR(sxfer) = 2050 XS_REQ_CMP_ERR; 2051 }else{ 2052 SCSI_XFER_ERROR(sxfer) = 2053 XS_REQ_CMP; 2054 SCSI_XFER_REQUEST_COMPLETE( 2055 sxfer); 2056 } 2057 } 2058 /* fix up inq data */ 2059 if (SCSI_XFER_OPECODE(sxfer) == INQUIRY) 2060 sbp_fix_inq_data(ocb); 2061 SBP_LOCK(sbp); 2062 SCSI_TRANSFER_DONE(sxfer); 2063 SBP_UNLOCK(sbp); 2064 } 2065 break; 2066 default: 2067 break; 2068 } 2069 } 2070 2071 if (!use_doorbell) 2072 sbp_free_ocb(sdev, ocb); 2073 done: 2074 if (reset_agent) 2075 sbp_agent_reset(sdev); 2076 2077 done0: 2078 xfer->recv.pay_len = SBP_RECV_LEN; 2079 /* The received packet is usually small enough to be stored within 2080 * the buffer. In that case, the controller return ack_complete and 2081 * no respose is necessary. 2082 * 2083 * XXX fwohci.c and firewire.c should inform event_code such as 2084 * ack_complete or ack_pending to upper driver. 2085 */ 2086 #if NEED_RESPONSE 2087 xfer->send.off = 0; 2088 sfp = (struct fw_pkt *)xfer->send.buf; 2089 sfp->mode.wres.dst = rfp->mode.wreqb.src; 2090 xfer->dst = sfp->mode.wres.dst; 2091 xfer->spd = min(sdev->target->fwdev->speed, max_speed); 2092 xfer->hand = sbp_loginres_callback; 2093 2094 sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt; 2095 sfp->mode.wres.tcode = FWTCODE_WRES; 2096 sfp->mode.wres.rtcode = 0; 2097 sfp->mode.wres.pri = 0; 2098 2099 fw_asyreq(xfer->fc, -1, xfer); 2100 #else 2101 /* recycle */ 2102 STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link); 2103 #endif 2104 2105 return; 2106 2107 } 2108 2109 static void 2110 sbp_recv(struct fw_xfer *xfer) 2111 { 2112 int s; 2113 2114 s = splfwsbp(); 2115 sbp_recv1(xfer); 2116 splx(s); 2117 } 2118 /* 2119 * sbp_attach() 2120 */ 2121 FW_ATTACH(sbp) 2122 { 2123 FW_ATTACH_START(sbp, sbp, fwa); 2124 int dv_unit, error, s; 2125 struct firewire_comm *fc; 2126 SBP_ATTACH_START; 2127 2128 if (DFLTPHYS > SBP_MAXPHYS) 2129 fw_printf(sbp->fd.dev, 2130 "Warning, DFLTPHYS(%dKB) is larger than " 2131 "SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024, 2132 SBP_MAXPHYS / 1024); 2133 SBP_DEBUG(0) 2134 printf("sbp_attach (cold=%d)\n", cold); 2135 END_DEBUG 2136 2137 if (cold) 2138 sbp_cold ++; 2139 sbp->fd.fc = fc = fwa->fc; 2140 fw_mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF); 2141 2142 if (max_speed < 0) 2143 max_speed = fc->speed; 2144 2145 error = fw_bus_dma_tag_create(/*parent*/fc->dmat, 2146 /* XXX shoud be 4 for sane backend? */ 2147 /*alignment*/1, 2148 /*boundary*/0, 2149 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, 2150 /*highaddr*/BUS_SPACE_MAXADDR, 2151 /*filter*/NULL, /*filterarg*/NULL, 2152 /*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX, 2153 /*maxsegsz*/SBP_SEG_MAX, 2154 /*flags*/BUS_DMA_ALLOCNOW, 2155 /*lockfunc*/busdma_lock_mutex, 2156 /*lockarg*/&sbp->mtx, 2157 &sbp->dmat); 2158 if (error != 0) { 2159 printf("sbp_attach: Could not allocate DMA tag " 2160 "- error %d\n", error); 2161 FW_ATTACH_RETURN(ENOMEM); 2162 } 2163 2164 #if defined(__FreeBSD__) 2165 devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB); 2166 if (devq == NULL) 2167 return (ENXIO); 2168 #endif 2169 2170 sbp->target.fwdev = NULL; 2171 sbp->target.luns = NULL; 2172 2173 if (sbp_alloc_target(sbp, fwa->fwdev) == NULL) 2174 FW_ATTACH_RETURN(ENXIO); 2175 2176 SBP_SCSIBUS_ATTACH; 2177 2178 /* We reserve 16 bit space (4 bytes X 64 unit X 256 luns) */ 2179 dv_unit = fw_get_unit(sbp->fd.dev); 2180 sbp->fwb.start = SBP_DEV2ADDR(dv_unit, 0); 2181 sbp->fwb.end = SBP_DEV2ADDR(dv_unit, -1); 2182 /* pre-allocate xfer */ 2183 STAILQ_INIT(&sbp->fwb.xferlist); 2184 fw_xferlist_add(&sbp->fwb.xferlist, M_SBP, 2185 /*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2, 2186 fc, (void *)sbp, sbp_recv); 2187 fw_bindadd(fc, &sbp->fwb); 2188 2189 sbp->fd.post_busreset = sbp_post_busreset; 2190 sbp->fd.post_explore = sbp_post_explore; 2191 2192 if (fc->status != FWBUSNOTREADY) { 2193 s = splfw(); 2194 sbp_post_busreset((void *)sbp); 2195 sbp_post_explore((void *)sbp); 2196 splx(s); 2197 } 2198 2199 FW_ATTACH_RETURN(0); 2200 #if defined(__FreeBSD__) 2201 fail: 2202 SBP_UNLOCK(sbp); 2203 cam_sim_free(sbp->sim, /*free_devq*/TRUE); 2204 return (ENXIO); 2205 #endif 2206 } 2207 2208 static int 2209 sbp_logout_all(struct sbp_softc *sbp) 2210 { 2211 struct sbp_target *target; 2212 struct sbp_dev *sdev; 2213 int i; 2214 2215 SBP_DEBUG(0) 2216 printf("sbp_logout_all\n"); 2217 END_DEBUG 2218 target = &sbp->target; 2219 if (target->luns != NULL) 2220 for (i = 0; i < target->num_lun; i++) { 2221 sdev = target->luns[i]; 2222 if (sdev == NULL) 2223 continue; 2224 fw_callout_stop(&sdev->login_callout); 2225 if (sdev->status >= SBP_DEV_TOATTACH && 2226 sdev->status <= SBP_DEV_ATTACHED) 2227 sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL); 2228 } 2229 2230 return 0; 2231 } 2232 2233 #if defined(__FreeBSD__) 2234 static int 2235 sbp_shutdown(device_t dev) 2236 { 2237 struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev)); 2238 2239 sbp_logout_all(sbp); 2240 return (0); 2241 } 2242 #endif 2243 2244 static void 2245 sbp_free_sdev(struct sbp_dev *sdev) 2246 { 2247 int i; 2248 2249 if (sdev == NULL) 2250 return; 2251 for (i = 0; i < SBP_QUEUE_LEN; i++) 2252 fw_bus_dmamap_destroy(sdev->target->sbp->dmat, 2253 sdev->ocb[i].dmamap); 2254 fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma); 2255 free(sdev, M_SBP); 2256 } 2257 2258 static void 2259 sbp_free_target(struct sbp_target *target) 2260 { 2261 struct sbp_softc *sbp; 2262 struct fw_xfer *xfer, *next; 2263 int i; 2264 2265 if (target->luns == NULL) 2266 return; 2267 fw_callout_stop(&target->mgm_ocb_timeout); 2268 sbp = target->sbp; 2269 for (i = 0; i < target->num_lun; i++) 2270 sbp_free_sdev(target->luns[i]); 2271 2272 for (xfer = STAILQ_FIRST(&target->xferlist); 2273 xfer != NULL; xfer = next) { 2274 next = STAILQ_NEXT(xfer, link); 2275 fw_xfer_free_buf(xfer); 2276 } 2277 STAILQ_INIT(&target->xferlist); 2278 free(target->luns, M_SBP); 2279 target->num_lun = 0;; 2280 target->luns = NULL; 2281 target->fwdev = NULL; 2282 } 2283 2284 FW_DETACH(sbp) 2285 { 2286 FW_DETACH_START(sbp, sbp); 2287 struct firewire_comm *fc = sbp->fd.fc; 2288 int i; 2289 2290 SBP_DEBUG(0) 2291 printf("sbp_detach\n"); 2292 END_DEBUG 2293 2294 SBP_DETACH_TARGET(&sbp->target); 2295 #if defined(__FreeBSD__) 2296 SBP_LOCK(sbp); 2297 xpt_async(AC_LOST_DEVICE, sbp->path, NULL); 2298 xpt_free_path(sbp->path); 2299 xpt_bus_deregister(cam_sim_path(sbp->sim)); 2300 cam_sim_free(sbp->sim, /*free_devq*/ TRUE), 2301 SBP_UNLOCK(sbp); 2302 #endif 2303 2304 sbp_logout_all(sbp); 2305 2306 /* XXX wait for logout completion */ 2307 tsleep(&i, FWPRI, "sbpdtc", hz/2); 2308 2309 sbp_free_target(&sbp->target); 2310 2311 fw_bindremove(fc, &sbp->fwb); 2312 fw_xferlist_remove(&sbp->fwb.xferlist); 2313 2314 fw_bus_dma_tag_destroy(sbp->dmat); 2315 fw_mtx_destroy(&sbp->mtx); 2316 2317 return (0); 2318 } 2319 2320 #if defined(__FreeBSD__) 2321 static void 2322 sbp_cam_detach_sdev(struct sbp_dev *sdev) 2323 { 2324 if (sdev == NULL) 2325 return; 2326 if (sdev->status == SBP_DEV_DEAD) 2327 return; 2328 if (sdev->status == SBP_DEV_RESET) 2329 return; 2330 sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE); 2331 if (sdev->path) { 2332 SBP_LOCK(sdev->target->sbp); 2333 xpt_release_devq(sdev->path, 2334 sdev->freeze, TRUE); 2335 sdev->freeze = 0; 2336 xpt_async(AC_LOST_DEVICE, sdev->path, NULL); 2337 xpt_free_path(sdev->path); 2338 sdev->path = NULL; 2339 SBP_UNLOCK(sdev->target->sbp); 2340 } 2341 } 2342 2343 static void 2344 sbp_cam_detach_target(struct sbp_target *target) 2345 { 2346 int i; 2347 2348 if (target->luns != NULL) { 2349 SBP_DEBUG(0) 2350 printf("sbp_detach_target %d\n", target->target_id); 2351 END_DEBUG 2352 fw_callout_stop(&target->scan_callout); 2353 for (i = 0; i < target->num_lun; i++) 2354 sbp_cam_detach_sdev(target->luns[i]); 2355 } 2356 } 2357 #elif defined(__NetBSD__) 2358 static void 2359 sbp_scsipi_detach_sdev(struct sbp_dev *sdev) 2360 { 2361 struct sbp_target *target; 2362 struct sbp_softc *sbp; 2363 2364 if (sdev == NULL) 2365 return; 2366 2367 target = sdev->target; 2368 if (target == NULL) 2369 return; 2370 2371 sbp = target->sbp; 2372 2373 if (sdev->status == SBP_DEV_DEAD) 2374 return; 2375 if (sdev->status == SBP_DEV_RESET) 2376 return; 2377 if (sdev->periph) { 2378 scsipi_periph_thaw(sdev->periph, sdev->freeze); 2379 scsipi_channel_thaw(&sbp->sc_channel, 0); /* XXXX */ 2380 sdev->freeze = 0; 2381 if (scsipi_target_detach(&sbp->sc_channel, 2382 target->target_id, sdev->lun_id, DETACH_FORCE) != 0) { 2383 sbp_show_sdev_info(sdev, 2); 2384 printf("detach failed\n"); 2385 } 2386 sdev->periph = NULL; 2387 } 2388 sbp_abort_all_ocbs(sdev, XS_DEV_NOT_THERE); 2389 } 2390 2391 static void 2392 sbp_scsipi_detach_target(struct sbp_target *target) 2393 { 2394 struct sbp_softc *sbp = target->sbp; 2395 int i; 2396 2397 if (target->luns != NULL) { 2398 SBP_DEBUG(0) 2399 printf("sbp_detach_target %d\n", target->target_id); 2400 END_DEBUG 2401 fw_callout_stop(&target->scan_callout); 2402 for (i = 0; i < target->num_lun; i++) 2403 sbp_scsipi_detach_sdev(target->luns[i]); 2404 if (config_detach(sbp->sc_bus, DETACH_FORCE) != 0) 2405 fw_printf(sbp->fd.dev, "%d detach failed\n", 2406 target->target_id); 2407 sbp->sc_bus = NULL; 2408 } 2409 } 2410 #endif 2411 2412 static void 2413 sbp_target_reset(struct sbp_dev *sdev, int method) 2414 { 2415 int i; 2416 struct sbp_target *target = sdev->target; 2417 struct sbp_dev *tsdev; 2418 2419 for (i = 0; i < target->num_lun; i++) { 2420 tsdev = target->luns[i]; 2421 if (tsdev == NULL) 2422 continue; 2423 if (tsdev->status == SBP_DEV_DEAD) 2424 continue; 2425 if (tsdev->status == SBP_DEV_RESET) 2426 continue; 2427 SBP_LOCK(target->sbp); 2428 SBP_DEVICE_FREEZE(tsdev, 1); 2429 tsdev->freeze ++; 2430 SBP_UNLOCK(target->sbp); 2431 sbp_abort_all_ocbs(tsdev, XS_CMD_TIMEOUT); 2432 if (method == 2) 2433 tsdev->status = SBP_DEV_LOGIN; 2434 } 2435 switch(method) { 2436 case 1: 2437 printf("target reset\n"); 2438 sbp_mgm_orb(sdev, ORB_FUN_RST, NULL); 2439 break; 2440 case 2: 2441 printf("reset start\n"); 2442 sbp_reset_start(sdev); 2443 break; 2444 } 2445 2446 } 2447 2448 static void 2449 sbp_mgm_timeout(void *arg) 2450 { 2451 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2452 struct sbp_dev *sdev = ocb->sdev; 2453 struct sbp_target *target = sdev->target; 2454 2455 sbp_show_sdev_info(sdev, 2); 2456 printf("request timeout(mgm orb:0x%08x) ... ", 2457 (uint32_t)ocb->bus_addr); 2458 target->mgm_ocb_cur = NULL; 2459 sbp_free_ocb(sdev, ocb); 2460 #if 0 2461 /* XXX */ 2462 printf("run next request\n"); 2463 sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL); 2464 #endif 2465 #if 1 2466 printf("reset start\n"); 2467 sbp_reset_start(sdev); 2468 #endif 2469 } 2470 2471 static void 2472 sbp_timeout(void *arg) 2473 { 2474 struct sbp_ocb *ocb = (struct sbp_ocb *)arg; 2475 struct sbp_dev *sdev = ocb->sdev; 2476 2477 sbp_show_sdev_info(sdev, 2); 2478 printf("request timeout(cmd orb:0x%08x) ... ", 2479 (uint32_t)ocb->bus_addr); 2480 2481 sdev->timeout ++; 2482 switch(sdev->timeout) { 2483 case 1: 2484 printf("agent reset\n"); 2485 SBP_LOCK(sdev->target->sbp); 2486 SBP_DEVICE_FREEZE(sdev, 1); 2487 sdev->freeze ++; 2488 SBP_UNLOCK(sdev->target->sbp); 2489 sbp_abort_all_ocbs(sdev, XS_CMD_TIMEOUT); 2490 sbp_agent_reset(sdev); 2491 break; 2492 case 2: 2493 case 3: 2494 sbp_target_reset(sdev, sdev->timeout - 1); 2495 break; 2496 #if 0 2497 default: 2498 /* XXX give up */ 2499 SBP_DETACH_TARGET(target); 2500 if (target->luns != NULL) 2501 free(target->luns, M_SBP); 2502 target->num_lun = 0;; 2503 target->luns = NULL; 2504 target->fwdev = NULL; 2505 #endif 2506 } 2507 } 2508 2509 static void 2510 sbp_action1(struct sbp_softc *sbp, sbp_scsi_xfer *sxfer) 2511 { 2512 2513 struct sbp_target *target = NULL; 2514 struct sbp_dev *sdev = NULL; 2515 2516 /* target:lun -> sdev mapping */ 2517 if (sbp != NULL) { 2518 target = &sbp->target; 2519 if (target->fwdev != NULL 2520 && NOT_LUN_WILDCARD(SCSI_XFER_LUN(sxfer)) 2521 && SCSI_XFER_LUN(sxfer) < target->num_lun) { 2522 sdev = target->luns[SCSI_XFER_LUN(sxfer)]; 2523 if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED && 2524 sdev->status != SBP_DEV_PROBE) 2525 sdev = NULL; 2526 } 2527 } 2528 2529 SBP_DEBUG(1) 2530 if (sdev == NULL) 2531 printf("invalid target %d lun %d\n", 2532 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer)); 2533 END_DEBUG 2534 2535 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2536 case XPT_SCSI_IO: 2537 #if defined(__FreeBSD__) 2538 case XPT_RESET_DEV: 2539 case XPT_GET_TRAN_SETTINGS: 2540 case XPT_SET_TRAN_SETTINGS: 2541 case XPT_CALC_GEOMETRY: 2542 #endif 2543 if (sdev == NULL) { 2544 SBP_DEBUG(1) 2545 printf("%s:%d:%d:func_code 0x%04x: " 2546 "Invalid target (target needed)\n", 2547 sbp ? fw_get_nameunit(sbp->fd.dev) : "???", 2548 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2549 SCSI_XFER_FUNCCODE(sxfer)); 2550 END_DEBUG 2551 2552 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2553 SCSI_TRANSFER_DONE(sxfer); 2554 return; 2555 } 2556 break; 2557 #if defined(__FreeBSD__) 2558 case XPT_PATH_INQ: 2559 case XPT_NOOP: 2560 /* The opcodes sometimes aimed at a target (sc is valid), 2561 * sometimes aimed at the SIM (sc is invalid and target is 2562 * CAM_TARGET_WILDCARD) 2563 */ 2564 if (sbp == NULL && 2565 sxfer->ccb_h.target_id != CAM_TARGET_WILDCARD) { 2566 SBP_DEBUG(0) 2567 printf("%s:%d:%d func_code 0x%04x: " 2568 "Invalid target (no wildcard)\n", 2569 fw_get_nameunit(sbp->fd.dev), 2570 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2571 sxfer->ccb_h.func_code); 2572 END_DEBUG 2573 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2574 SCSI_TRANSFER_DONE(sxfer); 2575 return; 2576 } 2577 break; 2578 #endif 2579 default: 2580 /* XXX Hm, we should check the input parameters */ 2581 break; 2582 } 2583 2584 switch (SCSI_XFER_FUNCCODE(sxfer)) { 2585 case XPT_SCSI_IO: 2586 { 2587 struct sbp_ocb *ocb; 2588 int speed; 2589 void *cdb; 2590 fw_mtx_assert(sim->mtx, MA_OWNED); 2591 2592 SBP_DEBUG(2) 2593 printf("%s:%d:%d XPT_SCSI_IO: " 2594 "cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x" 2595 ", flags: 0x%02x, " 2596 "%db cmd/%db data/%db sense\n", 2597 fw_get_nameunit(sbp->fd.dev), 2598 SCSI_XFER_TARGET(sxfer), SCSI_XFER_LUN(sxfer), 2599 SCSI_XFER_10BCMD_DUMP(sxfer), 2600 SCSI_XFER_DIR(sxfer), 2601 SCSI_XFER_CMDLEN(sxfer), SCSI_XFER_DATALEN(sxfer), 2602 SCSI_XFER_SENSELEN(sxfer)); 2603 END_DEBUG 2604 if(sdev == NULL){ 2605 SCSI_XFER_ERROR(sxfer) = XS_DEV_NOT_THERE; 2606 SCSI_TRANSFER_DONE(sxfer); 2607 return; 2608 } 2609 #if 0 2610 /* if we are in probe stage, pass only probe commands */ 2611 if (sdev->status == SBP_DEV_PROBE) { 2612 char *name; 2613 name = xpt_path_periph(sxfer->ccb_h.path)->periph_name; 2614 printf("probe stage, periph name: %s\n", name); 2615 if (strcmp(name, "probe") != 0) { 2616 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2617 SCSI_TRANSFER_DONE(sxfer); 2618 return; 2619 } 2620 } 2621 #endif 2622 if ((ocb = sbp_get_ocb(sdev)) == NULL) { 2623 SCSI_XFER_ERROR(sxfer) = XS_REQUEUE_REQ; 2624 if (sdev->freeze == 0) { 2625 SBP_LOCK(sdev->target->sbp); 2626 SBP_DEVICE_FREEZE(sdev, 1); 2627 sdev->freeze ++; 2628 SBP_UNLOCK(sdev->target->sbp); 2629 } 2630 SCSI_TRANSFER_DONE(sxfer); 2631 return; 2632 } 2633 2634 ocb->flags = OCB_ACT_CMD; 2635 ocb->sdev = sdev; 2636 ocb->sxfer = sxfer; 2637 #if defined(__FreeBSD__) 2638 sxfer->ccb_h.ccb_sdev_ptr = sdev; 2639 #endif 2640 ocb->orb[0] = htonl(1 << 31); 2641 ocb->orb[1] = 0; 2642 ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) ); 2643 ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET); 2644 speed = min(target->fwdev->speed, max_speed); 2645 ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed) 2646 | ORB_CMD_MAXP(speed + 7)); 2647 if(SCSI_XFER_DIR(sxfer) == SCSI_XFER_DATA_IN){ 2648 ocb->orb[4] |= htonl(ORB_CMD_IN); 2649 } 2650 2651 if (CAM_XFER_FLAGS(sxfer) & CAM_SCATTER_VALID) 2652 printf("sbp: CAM_SCATTER_VALID\n"); 2653 if (CAM_XFER_FLAGS(sxfer) & CAM_DATA_PHYS) 2654 printf("sbp: CAM_DATA_PHYS\n"); 2655 2656 cdb = SCSI_XFER_CMD(sxfer); 2657 bcopy(cdb, (void *)&ocb->orb[5], SCSI_XFER_CMDLEN(sxfer)); 2658 /* 2659 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3])); 2660 printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7])); 2661 */ 2662 if (SCSI_XFER_DATALEN(sxfer) > 0) { 2663 int s, error; 2664 2665 s = splsoftvm(); 2666 error = fw_bus_dmamap_load(/*dma tag*/sbp->dmat, 2667 /*dma map*/ocb->dmamap, 2668 SCSI_XFER_DATA(sxfer), 2669 SCSI_XFER_DATALEN(sxfer), 2670 sbp_execute_ocb, 2671 ocb, 2672 /*flags*/0); 2673 splx(s); 2674 if (error) 2675 printf("sbp: bus_dmamap_load error %d\n", error); 2676 } else 2677 sbp_execute_ocb(ocb, NULL, 0, 0); 2678 break; 2679 } 2680 #if defined(__FreeBSD__) 2681 case XPT_CALC_GEOMETRY: 2682 { 2683 struct ccb_calc_geometry *ccg; 2684 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2685 uint32_t size_mb; 2686 uint32_t secs_per_cylinder; 2687 int extended = 1; 2688 #endif 2689 2690 ccg = &sxfer->ccg; 2691 if (ccg->block_size == 0) { 2692 printf("sbp_action1: block_size is 0.\n"); 2693 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2694 SCSI_TRANSFER_DONE(sxfer); 2695 break; 2696 } 2697 SBP_DEBUG(1) 2698 printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: " 2699 #if defined(__DragonFly__) || __FreeBSD_version < 500000 2700 "Volume size = %d\n", 2701 #else 2702 "Volume size = %jd\n", 2703 #endif 2704 fw_get_nameunit(sbp->fd.dev), 2705 cam_sim_path(sbp->sim), 2706 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun, 2707 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000 2708 (uintmax_t) 2709 #endif 2710 ccg->volume_size); 2711 END_DEBUG 2712 2713 #if defined(__DragonFly__) || __FreeBSD_version < 501100 2714 size_mb = ccg->volume_size 2715 / ((1024L * 1024L) / ccg->block_size); 2716 2717 if (size_mb > 1024 && extended) { 2718 ccg->heads = 255; 2719 ccg->secs_per_track = 63; 2720 } else { 2721 ccg->heads = 64; 2722 ccg->secs_per_track = 32; 2723 } 2724 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 2725 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 2726 SCSI_XFER_ERROR(sxfer) = XS_REQ_CMP; 2727 #else 2728 cam_calc_geometry(ccg, /*extended*/1); 2729 #endif 2730 SCSI_TRANSFER_DONE(sxfer); 2731 break; 2732 } 2733 case XPT_RESET_BUS: /* Reset the specified SCSI bus */ 2734 { 2735 2736 SBP_DEBUG(1) 2737 printf("%s:%d:XPT_RESET_BUS: \n", 2738 fw_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim)); 2739 END_DEBUG 2740 2741 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2742 SCSI_TRANSFER_DONE(sxfer); 2743 break; 2744 } 2745 case XPT_PATH_INQ: /* Path routing inquiry */ 2746 { 2747 struct ccb_pathinq *cpi = &sxfer->cpi; 2748 struct cam_sim *sim = sbp->sim; 2749 2750 SBP_DEBUG(1) 2751 printf("%s:%d:%d XPT_PATH_INQ:.\n", 2752 fw_get_nameunit(sbp->fd.dev), 2753 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2754 END_DEBUG 2755 cpi->version_num = 1; /* XXX??? */ 2756 cpi->hba_inquiry = PI_TAG_ABLE; 2757 cpi->target_sprt = 0; 2758 cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE; 2759 cpi->hba_eng_cnt = 0; 2760 cpi->max_target = SBP_NUM_TARGETS - 1; 2761 cpi->max_lun = SBP_NUM_LUNS - 1; 2762 cpi->initiator_id = SBP_INITIATOR; 2763 cpi->bus_id = sim->bus_id; 2764 cpi->base_transfer_speed = 400 * 1000 / 8; 2765 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 2766 strncpy(cpi->hba_vid, "SBP", HBA_IDLEN); 2767 strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN); 2768 cpi->unit_number = sim->unit_number; 2769 cpi->transport = XPORT_SPI; /* XX should havea FireWire */ 2770 cpi->transport_version = 2; 2771 cpi->protocol = PROTO_SCSI; 2772 cpi->protocol_version = SCSI_REV_2; 2773 2774 SCSI_XFER_ERROR(cpi) = XS_REQ_CMP; 2775 SCSI_TRANSFER_DONE(sxfer); 2776 break; 2777 } 2778 case XPT_GET_TRAN_SETTINGS: 2779 { 2780 struct ccb_trans_settings *cts = &sxfer->cts; 2781 struct ccb_trans_settings_scsi *scsi = 2782 &cts->proto_specific.scsi; 2783 struct ccb_trans_settings_spi *spi = 2784 &cts->xport_specific.spi; 2785 2786 cts->protocol = PROTO_SCSI; 2787 cts->protocol_version = SCSI_REV_2; 2788 cts->transport = XPORT_SPI; /* should have a FireWire */ 2789 cts->transport_version = 2; 2790 spi->valid = CTS_SPI_VALID_DISC; 2791 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 2792 scsi->valid = CTS_SCSI_VALID_TQ; 2793 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; 2794 SBP_DEBUG(1) 2795 printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n", 2796 fw_get_nameunit(sbp->fd.dev), 2797 sxfer->ccb_h.target_id, sxfer->ccb_h.target_lun); 2798 END_DEBUG 2799 SCSI_XFER_ERROR(cts) = XS_REQ_CMP; 2800 SCSI_TRANSFER_DONE(sxfer); 2801 break; 2802 } 2803 case XPT_ABORT: 2804 SCSI_XFER_ERROR(sxfer) = XS_UA_ABORT; 2805 SCSI_TRANSFER_DONE(sxfer); 2806 break; 2807 case XPT_SET_TRAN_SETTINGS: 2808 /* XXX */ 2809 default: 2810 SCSI_XFER_ERROR(sxfer) = XS_REQ_INVALID; 2811 SCSI_TRANSFER_DONE(sxfer); 2812 break; 2813 #endif 2814 } 2815 return; 2816 } 2817 2818 #if defined(__FreeBSD__) 2819 static void 2820 sbp_action(struct cam_sim *sim, sbp_scsi_xfer *sxfer) 2821 { 2822 int s; 2823 2824 s = splfw(); 2825 sbp_action1(sim->softc, sxfer); 2826 splx(s); 2827 } 2828 #endif 2829 2830 static void 2831 sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error) 2832 { 2833 int i; 2834 struct sbp_ocb *ocb; 2835 struct sbp_ocb *prev; 2836 bus_dma_segment_t *s; 2837 2838 if (error) 2839 printf("sbp_execute_ocb: error=%d\n", error); 2840 2841 ocb = (struct sbp_ocb *)arg; 2842 2843 SBP_DEBUG(2) 2844 printf("sbp_execute_ocb: seg %d", seg); 2845 for (i = 0; i < seg; i++) 2846 #if defined(__DragonFly__) || \ 2847 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2848 printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len); 2849 #else 2850 printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr, 2851 (uintmax_t)segments[i].ds_len); 2852 #endif 2853 printf("\n"); 2854 END_DEBUG 2855 2856 if (seg == 1) { 2857 /* direct pointer */ 2858 s = &segments[0]; 2859 if (s->ds_len > SBP_SEG_MAX) 2860 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2861 ocb->orb[3] = htonl(s->ds_addr); 2862 ocb->orb[4] |= htonl(s->ds_len); 2863 } else if(seg > 1) { 2864 /* page table */ 2865 for (i = 0; i < seg; i++) { 2866 s = &segments[i]; 2867 SBP_DEBUG(0) 2868 /* XXX LSI Logic "< 16 byte" bug might be hit */ 2869 if (s->ds_len < 16) 2870 printf("sbp_execute_ocb: warning, " 2871 #if defined(__DragonFly__) || \ 2872 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2873 "segment length(%d) is less than 16." 2874 #else 2875 "segment length(%jd) is less than 16." 2876 #endif 2877 "(seg=%d/%d)\n", (uintmax_t)s->ds_len, i+1, seg); 2878 END_DEBUG 2879 if (s->ds_len > SBP_SEG_MAX) 2880 panic("ds_len > SBP_SEG_MAX, fix busdma code"); 2881 ocb->ind_ptr[i].hi = htonl(s->ds_len << 16); 2882 ocb->ind_ptr[i].lo = htonl(s->ds_addr); 2883 } 2884 ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg); 2885 } 2886 2887 if (seg > 0) 2888 fw_bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap, 2889 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2890 BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); 2891 prev = sbp_enqueue_ocb(ocb->sdev, ocb); 2892 fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE); 2893 if (use_doorbell) { 2894 if (prev == NULL) { 2895 if (ocb->sdev->last_ocb != NULL) 2896 sbp_doorbell(ocb->sdev); 2897 else 2898 sbp_orb_pointer(ocb->sdev, ocb); 2899 } 2900 } else { 2901 if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) { 2902 ocb->sdev->flags &= ~ORB_LINK_DEAD; 2903 sbp_orb_pointer(ocb->sdev, ocb); 2904 } 2905 } 2906 } 2907 2908 #if defined(__FreeBSD__) 2909 static void 2910 sbp_poll(struct cam_sim *sim) 2911 { 2912 struct sbp_softc *sbp; 2913 struct firewire_comm *fc; 2914 2915 sbp = (struct sbp_softc *)sim->softc; 2916 fc = sbp->fd.fc; 2917 2918 fc->poll(fc, 0, -1); 2919 2920 return; 2921 } 2922 2923 #endif 2924 static struct sbp_ocb * 2925 sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status) 2926 { 2927 struct sbp_ocb *ocb; 2928 struct sbp_ocb *next; 2929 int s = splfw(), order = 0; 2930 int flags; 2931 2932 SBP_DEBUG(1) 2933 sbp_show_sdev_info(sdev, 2); 2934 #if defined(__DragonFly__) || \ 2935 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 2936 printf("%s: 0x%08lx src %d\n", 2937 #else 2938 printf("%s: 0x%08x src %d\n", 2939 #endif 2940 __func__, ntohl(sbp_status->orb_lo), sbp_status->src); 2941 END_DEBUG 2942 SBP_LOCK(sdev->target->sbp); 2943 for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) { 2944 next = STAILQ_NEXT(ocb, ocb); 2945 flags = ocb->flags; 2946 if (OCB_MATCH(ocb, sbp_status)) { 2947 /* found */ 2948 STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb); 2949 if (ocb->sxfer != NULL) 2950 #if defined(__DragonFly__) || defined(__NetBSD__) 2951 fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 2952 #else 2953 untimeout(sbp_timeout, (void *)ocb, 2954 SCSI_XFER_CALLOUT(ocb->sxfer)); 2955 #endif 2956 if (ntohl(ocb->orb[4]) & 0xffff) { 2957 fw_bus_dmamap_sync(sdev->target->sbp->dmat, 2958 ocb->dmamap, 2959 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 2960 BUS_DMASYNC_POSTREAD : 2961 BUS_DMASYNC_POSTWRITE); 2962 fw_bus_dmamap_unload(sdev->target->sbp->dmat, 2963 ocb->dmamap); 2964 } 2965 if (!use_doorbell) { 2966 if (sbp_status->src == SRC_NO_NEXT) { 2967 if (next != NULL) 2968 sbp_orb_pointer(sdev, next); 2969 else if (order > 0) { 2970 /* 2971 * Unordered execution 2972 * We need to send pointer for 2973 * next ORB 2974 */ 2975 sdev->flags |= ORB_LINK_DEAD; 2976 } 2977 } 2978 } else { 2979 /* 2980 * XXX this is not correct for unordered 2981 * execution. 2982 */ 2983 if (sdev->last_ocb != NULL) 2984 sbp_free_ocb(sdev, sdev->last_ocb); 2985 sdev->last_ocb = ocb; 2986 if (next != NULL && 2987 sbp_status->src == SRC_NO_NEXT) 2988 sbp_doorbell(sdev); 2989 } 2990 break; 2991 } else 2992 order ++; 2993 } 2994 SBP_UNLOCK(sdev->target->sbp); 2995 splx(s); 2996 SBP_DEBUG(0) 2997 if (ocb && order > 0) { 2998 sbp_show_sdev_info(sdev, 2); 2999 printf("unordered execution order:%d\n", order); 3000 } 3001 END_DEBUG 3002 return (ocb); 3003 } 3004 3005 static struct sbp_ocb * 3006 sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 3007 { 3008 int s = splfw(); 3009 struct sbp_ocb *prev, *prev2; 3010 3011 SBP_DEBUG(1) 3012 sbp_show_sdev_info(sdev, 2); 3013 #if defined(__DragonFly__) || \ 3014 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3015 printf("%s: 0x%08x\n", __func__, ocb->bus_addr); 3016 #else 3017 printf("%s: 0x%08jx\n", __func__, (uintmax_t)ocb->bus_addr); 3018 #endif 3019 END_DEBUG 3020 prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb); 3021 STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb); 3022 3023 if (ocb->sxfer != NULL) 3024 #if defined(__DragonFly__) || defined(__NetBSD__) 3025 fw_callout_reset(&SCSI_XFER_CALLOUT(ocb->sxfer), 3026 mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer)), sbp_timeout, ocb); 3027 #else 3028 SCSI_XFER_CALLOUT(ocb->sxfer) = timeout(sbp_timeout, 3029 (void *)ocb, mstohz(SCSI_XFER_TIMEOUT(ocb->sxfer))); 3030 #endif 3031 3032 if (use_doorbell && prev == NULL) 3033 prev2 = sdev->last_ocb; 3034 3035 if (prev2 != NULL) { 3036 SBP_DEBUG(2) 3037 #if defined(__DragonFly__) || \ 3038 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3039 printf("linking chain 0x%x -> 0x%x\n", 3040 prev2->bus_addr, ocb->bus_addr); 3041 #else 3042 printf("linking chain 0x%jx -> 0x%jx\n", 3043 (uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr); 3044 #endif 3045 END_DEBUG 3046 prev2->orb[1] = htonl(ocb->bus_addr); 3047 prev2->orb[0] = 0; 3048 } 3049 splx(s); 3050 3051 return prev; 3052 } 3053 3054 static struct sbp_ocb * 3055 sbp_get_ocb(struct sbp_dev *sdev) 3056 { 3057 struct sbp_ocb *ocb; 3058 int s = splfw(); 3059 3060 fw_mtx_assert(&sdev->target->sbp->mtx, MA_OWNED); 3061 ocb = STAILQ_FIRST(&sdev->free_ocbs); 3062 if (ocb == NULL) { 3063 sdev->flags |= ORB_SHORTAGE; 3064 printf("ocb shortage!!!\n"); 3065 splx(s); 3066 return NULL; 3067 } 3068 STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb); 3069 splx(s); 3070 ocb->sxfer = NULL; 3071 return (ocb); 3072 } 3073 3074 static void 3075 sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb) 3076 { 3077 ocb->flags = 0; 3078 ocb->sxfer = NULL; 3079 3080 SBP_LOCK(sdev->target->sbp); 3081 STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb); 3082 if ((sdev->flags & ORB_SHORTAGE) != 0) { 3083 int count; 3084 3085 sdev->flags &= ~ORB_SHORTAGE; 3086 count = sdev->freeze; 3087 sdev->freeze = 0; 3088 SBP_DEVICE_THAW(sdev, count); 3089 } 3090 SBP_UNLOCK(sdev->target->sbp); 3091 } 3092 3093 static void 3094 sbp_abort_ocb(struct sbp_ocb *ocb, int status) 3095 { 3096 struct sbp_dev *sdev; 3097 3098 sdev = ocb->sdev; 3099 SBP_DEBUG(0) 3100 sbp_show_sdev_info(sdev, 2); 3101 #if defined(__DragonFly__) || \ 3102 (defined(__FreeBSD__) && __FreeBSD_version < 500000) 3103 printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr); 3104 #else 3105 printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr); 3106 #endif 3107 END_DEBUG 3108 SBP_DEBUG(1) 3109 if (ocb->sxfer != NULL) 3110 sbp_print_scsi_cmd(ocb); 3111 END_DEBUG 3112 if (ntohl(ocb->orb[4]) & 0xffff) { 3113 fw_bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap, 3114 (ntohl(ocb->orb[4]) & ORB_CMD_IN) ? 3115 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 3116 fw_bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap); 3117 } 3118 if (ocb->sxfer != NULL) { 3119 #if defined(__DragonFly__ ) || defined(__NetBSD__) 3120 fw_callout_stop(&SCSI_XFER_CALLOUT(ocb->sxfer)); 3121 #else 3122 untimeout(sbp_timeout, (void *)ocb, 3123 SCSI_XFER_CALLOUT(ocb->sxfer)); 3124 #endif 3125 SCSI_XFER_ERROR(ocb->sxfer) = status; 3126 SBP_LOCK(sdev->target->sbp); 3127 SCSI_TRANSFER_DONE(ocb->sxfer); 3128 SBP_UNLOCK(sdev->target->sbp); 3129 } 3130 sbp_free_ocb(sdev, ocb); 3131 } 3132 3133 static void 3134 sbp_abort_all_ocbs(struct sbp_dev *sdev, int status) 3135 { 3136 int s; 3137 struct sbp_ocb *ocb, *next; 3138 STAILQ_HEAD(, sbp_ocb) temp; 3139 3140 s = splfw(); 3141 3142 bcopy(&sdev->ocbs, &temp, sizeof(temp)); 3143 STAILQ_INIT(&sdev->ocbs); 3144 for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) { 3145 next = STAILQ_NEXT(ocb, ocb); 3146 sbp_abort_ocb(ocb, status); 3147 } 3148 if (sdev->last_ocb != NULL) { 3149 sbp_free_ocb(sdev, sdev->last_ocb); 3150 sdev->last_ocb = NULL; 3151 } 3152 3153 splx(s); 3154 } 3155 3156 #if defined(__FreeBSD__) 3157 static devclass_t sbp_devclass; 3158 3159 static device_method_t sbp_methods[] = { 3160 /* device interface */ 3161 DEVMETHOD(device_probe, sbp_probe), 3162 DEVMETHOD(device_attach, sbp_attach), 3163 DEVMETHOD(device_detach, sbp_detach), 3164 DEVMETHOD(device_shutdown, sbp_shutdown), 3165 3166 { 0, 0 } 3167 }; 3168 3169 static driver_t sbp_driver = { 3170 "sbp", 3171 sbp_methods, 3172 sizeof(struct sbp_softc), 3173 }; 3174 #ifdef __DragonFly__ 3175 DECLARE_DUMMY_MODULE(sbp); 3176 #endif 3177 DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0); 3178 MODULE_VERSION(sbp, 1); 3179 MODULE_DEPEND(sbp, firewire, 1, 1, 1); 3180 MODULE_DEPEND(sbp, cam, 1, 1, 1); 3181 #elif defined(__NetBSD__) 3182 static void 3183 sbp_scsipi_request( 3184 struct scsipi_channel *channel, scsipi_adapter_req_t req, void *arg) 3185 { 3186 int i, s; 3187 struct sbp_softc *sbp = 3188 device_private(channel->chan_adapter->adapt_dev); 3189 struct scsipi_xfer *xs = arg; 3190 3191 if (debug > 1) 3192 printf("Called sbpscsi_scsipi_request\n"); 3193 3194 switch (req) { 3195 case ADAPTER_REQ_RUN_XFER: 3196 if (debug > 1) { 3197 printf("Got req_run_xfer\n"); 3198 printf("xs control: 0x%08x, timeout: %d\n", 3199 xs->xs_control, xs->timeout); 3200 printf("opcode: 0x%02x\n", (int)xs->cmd->opcode); 3201 for (i = 0; i < 15; i++) 3202 printf("0x%02x ",(int)xs->cmd->bytes[i]); 3203 printf("\n"); 3204 } 3205 if (xs->xs_control & XS_CTL_RESET) { 3206 if (debug > 1) 3207 printf("XS_CTL_RESET not support\n"); 3208 break; 3209 } 3210 #define SBPSCSI_SBP2_MAX_CDB 12 3211 if (xs->cmdlen > SBPSCSI_SBP2_MAX_CDB) { 3212 if (debug > 0) 3213 printf( 3214 "sbp doesn't support cdb's larger than %d " 3215 "bytes\n", SBPSCSI_SBP2_MAX_CDB); 3216 SCSI_XFER_ERROR(xs) = XS_REQ_INVALID; 3217 SCSI_TRANSFER_DONE(xs); 3218 return; 3219 } 3220 s = splfw(); 3221 sbp_action1(sbp, xs); 3222 splx(s); 3223 3224 break; 3225 case ADAPTER_REQ_GROW_RESOURCES: 3226 if (debug > 1) 3227 printf("Got req_grow_resources\n"); 3228 break; 3229 case ADAPTER_REQ_SET_XFER_MODE: 3230 if (debug > 1) 3231 printf("Got set xfer mode\n"); 3232 break; 3233 default: 3234 panic("Unknown request: %d\n", (int)req); 3235 } 3236 } 3237 3238 static void 3239 sbp_minphys(struct buf *bp) 3240 { 3241 minphys(bp); 3242 } 3243 3244 CFATTACH_DECL_NEW(sbp, sizeof(struct sbp_softc), 3245 sbpmatch, sbpattach, sbpdetach, NULL); 3246 #endif
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