1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 29 #include <sys/debug.h> 30 #include <sys/types.h> 31 #include <sys/varargs.h> 32 #include <sys/errno.h> 33 #include <sys/cred.h> 34 #include <sys/dditypes.h> 35 #include <sys/devops.h> 36 #include <sys/modctl.h> 37 #include <sys/poll.h> 38 #include <sys/conf.h> 39 #include <sys/ddi.h> 40 #include <sys/sunddi.h> 41 #include <sys/sunndi.h> 42 #include <sys/ndi_impldefs.h> 43 #include <sys/stat.h> 44 #include <sys/kmem.h> 45 #include <sys/vmem.h> 46 #include <sys/opl_olympus_regs.h> 47 #include <sys/cpuvar.h> 48 #include <sys/cpupart.h> 49 #include <sys/mem_config.h> 50 #include <sys/ddi_impldefs.h> 51 #include <sys/systm.h> 52 #include <sys/machsystm.h> 53 #include <sys/autoconf.h> 54 #include <sys/cmn_err.h> 55 #include <sys/sysmacros.h> 56 #include <sys/x_call.h> 57 #include <sys/promif.h> 58 #include <sys/prom_plat.h> 59 #include <sys/membar.h> 60 #include <vm/seg_kmem.h> 61 #include <sys/mem_cage.h> 62 #include <sys/stack.h> 63 #include <sys/archsystm.h> 64 #include <vm/hat_sfmmu.h> 65 #include <sys/pte.h> 66 #include <sys/mmu.h> 67 #include <sys/cpu_module.h> 68 #include <sys/obpdefs.h> 69 #include <sys/note.h> 70 #include <sys/ontrap.h> 71 #include <sys/cpu_sgnblk_defs.h> 72 #include <sys/opl.h> 73 #include <sys/cpu_impl.h> 74 75 76 #include <sys/promimpl.h> 77 #include <sys/prom_plat.h> 78 #include <sys/kobj.h> 79 80 #include <sys/sysevent.h> 81 #include <sys/sysevent/dr.h> 82 #include <sys/sysevent/eventdefs.h> 83 84 #include <sys/drmach.h> 85 #include <sys/dr_util.h> 86 87 #include <sys/fcode.h> 88 #include <sys/opl_cfg.h> 89 90 extern void bcopy32_il(uint64_t, uint64_t); 91 extern void flush_cache_il(void); 92 extern void drmach_sleep_il(void); 93 94 typedef struct { 95 struct drmach_node *node; 96 void *data; 97 } drmach_node_walk_args_t; 98 99 typedef struct drmach_node { 100 void *here; 101 102 pnode_t (*get_dnode)(struct drmach_node *node); 103 int (*walk)(struct drmach_node *node, void *data, 104 int (*cb)(drmach_node_walk_args_t *args)); 105 dev_info_t *(*n_getdip)(struct drmach_node *node); 106 int (*n_getproplen)(struct drmach_node *node, char *name, 107 int *len); 108 int (*n_getprop)(struct drmach_node *node, char *name, 109 void *buf, int len); 110 int (*get_parent)(struct drmach_node *node, 111 struct drmach_node *pnode); 112 } drmach_node_t; 113 114 typedef struct { 115 int min_index; 116 int max_index; 117 int arr_sz; 118 drmachid_t *arr; 119 } drmach_array_t; 120 121 typedef struct { 122 void *isa; 123 124 void (*dispose)(drmachid_t); 125 sbd_error_t *(*release)(drmachid_t); 126 sbd_error_t *(*status)(drmachid_t, drmach_status_t *); 127 128 char name[MAXNAMELEN]; 129 } drmach_common_t; 130 131 typedef struct { 132 uint32_t core_present; 133 uint32_t core_hotadded; 134 uint32_t core_started; 135 } drmach_cmp_t; 136 137 typedef struct { 138 drmach_common_t cm; 139 int bnum; 140 int assigned; 141 int powered; 142 int connected; 143 int cond; 144 drmach_node_t *tree; 145 drmach_array_t *devices; 146 int boot_board; /* if board exists on bootup */ 147 drmach_cmp_t cores[OPL_MAX_COREID_PER_BOARD]; 148 } drmach_board_t; 149 150 typedef struct { 151 drmach_common_t cm; 152 drmach_board_t *bp; 153 int unum; 154 int portid; 155 int busy; 156 int powered; 157 const char *type; 158 drmach_node_t *node; 159 } drmach_device_t; 160 161 typedef struct drmach_cpu { 162 drmach_device_t dev; 163 processorid_t cpuid; 164 int sb; 165 int chipid; 166 int coreid; 167 int strandid; 168 int status; 169 #define OPL_CPU_HOTADDED 1 170 } drmach_cpu_t; 171 172 typedef struct drmach_mem { 173 drmach_device_t dev; 174 uint64_t slice_base; 175 uint64_t slice_size; 176 uint64_t base_pa; /* lowest installed memory base */ 177 uint64_t nbytes; /* size of installed memory */ 178 struct memlist *memlist; 179 } drmach_mem_t; 180 181 typedef struct drmach_io { 182 drmach_device_t dev; 183 int channel; 184 int leaf; 185 } drmach_io_t; 186 187 typedef struct drmach_domain_info { 188 uint32_t floating; 189 int allow_dr; 190 } drmach_domain_info_t; 191 192 drmach_domain_info_t drmach_domain; 193 194 typedef struct { 195 int flags; 196 drmach_device_t *dp; 197 sbd_error_t *err; 198 dev_info_t *dip; 199 } drmach_config_args_t; 200 201 typedef struct { 202 drmach_board_t *obj; 203 int ndevs; 204 void *a; 205 sbd_error_t *(*found)(void *a, const char *, int, drmachid_t); 206 sbd_error_t *err; 207 } drmach_board_cb_data_t; 208 209 static drmach_array_t *drmach_boards; 210 211 static sbd_error_t *drmach_device_new(drmach_node_t *, 212 drmach_board_t *, int, drmachid_t *); 213 static sbd_error_t *drmach_cpu_new(drmach_device_t *, drmachid_t *); 214 static sbd_error_t *drmach_mem_new(drmach_device_t *, drmachid_t *); 215 static sbd_error_t *drmach_io_new(drmach_device_t *, drmachid_t *); 216 217 static dev_info_t *drmach_node_ddi_get_dip(drmach_node_t *np); 218 static int drmach_node_ddi_get_prop(drmach_node_t *np, 219 char *name, void *buf, int len); 220 static int drmach_node_ddi_get_proplen(drmach_node_t *np, 221 char *name, int *len); 222 223 static int drmach_get_portid(drmach_node_t *); 224 static sbd_error_t *drmach_i_status(drmachid_t, drmach_status_t *); 225 static int opl_check_dr_status(); 226 static void drmach_io_dispose(drmachid_t); 227 static sbd_error_t *drmach_io_release(drmachid_t); 228 static sbd_error_t *drmach_io_status(drmachid_t, drmach_status_t *); 229 static int drmach_init(void); 230 static void drmach_fini(void); 231 static void drmach_swap_pa(drmach_mem_t *, drmach_mem_t *); 232 static drmach_board_t *drmach_get_board_by_bnum(int); 233 234 /* options for the second argument in drmach_add_remove_cpu() */ 235 #define HOTADD_CPU 1 236 #define HOTREMOVE_CPU 2 237 238 #define ON_BOARD_CORE_NUM(x) (((uint_t)(x) / OPL_MAX_STRANDID_PER_CORE) & \ 239 (OPL_MAX_COREID_PER_BOARD - 1)) 240 241 extern struct cpu *SIGBCPU; 242 243 static int drmach_name2type_idx(char *); 244 static drmach_board_t *drmach_board_new(int, int); 245 246 #ifdef DEBUG 247 248 #define DRMACH_PR if (drmach_debug) printf 249 int drmach_debug = 1; /* set to non-zero to enable debug messages */ 250 #else 251 252 #define DRMACH_PR _NOTE(CONSTANTCONDITION) if (0) printf 253 #endif /* DEBUG */ 254 255 256 #define DRMACH_OBJ(id) ((drmach_common_t *)id) 257 258 #define DRMACH_NULL_ID(id) ((id) == 0) 259 260 #define DRMACH_IS_BOARD_ID(id) \ 261 ((id != 0) && \ 262 (DRMACH_OBJ(id)->isa == (void *)drmach_board_new)) 263 264 #define DRMACH_IS_CPU_ID(id) \ 265 ((id != 0) && \ 266 (DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new)) 267 268 #define DRMACH_IS_MEM_ID(id) \ 269 ((id != 0) && \ 270 (DRMACH_OBJ(id)->isa == (void *)drmach_mem_new)) 271 272 #define DRMACH_IS_IO_ID(id) \ 273 ((id != 0) && \ 274 (DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) 275 276 #define DRMACH_IS_DEVICE_ID(id) \ 277 ((id != 0) && \ 278 (DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new || \ 279 DRMACH_OBJ(id)->isa == (void *)drmach_mem_new || \ 280 DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) 281 282 #define DRMACH_IS_ID(id) \ 283 ((id != 0) && \ 284 (DRMACH_OBJ(id)->isa == (void *)drmach_board_new || \ 285 DRMACH_OBJ(id)->isa == (void *)drmach_cpu_new || \ 286 DRMACH_OBJ(id)->isa == (void *)drmach_mem_new || \ 287 DRMACH_OBJ(id)->isa == (void *)drmach_io_new)) 288 289 #define DRMACH_INTERNAL_ERROR() \ 290 drerr_new(1, EOPL_INTERNAL, drmach_ie_fmt, __LINE__) 291 292 static char *drmach_ie_fmt = "drmach.c %d"; 293 294 static struct { 295 const char *name; 296 const char *type; 297 sbd_error_t *(*new)(drmach_device_t *, drmachid_t *); 298 } drmach_name2type[] = { 299 { "cpu", DRMACH_DEVTYPE_CPU, drmach_cpu_new }, 300 { "pseudo-mc", DRMACH_DEVTYPE_MEM, drmach_mem_new }, 301 { "pci", DRMACH_DEVTYPE_PCI, drmach_io_new }, 302 }; 303 304 /* utility */ 305 #define MBYTE (1048576ull) 306 307 /* 308 * drmach autoconfiguration data structures and interfaces 309 */ 310 311 extern struct mod_ops mod_miscops; 312 313 static struct modlmisc modlmisc = { 314 &mod_miscops, 315 "OPL DR 1.1" 316 }; 317 318 static struct modlinkage modlinkage = { 319 MODREV_1, 320 (void *)&modlmisc, 321 NULL 322 }; 323 324 static krwlock_t drmach_boards_rwlock; 325 326 typedef const char *fn_t; 327 328 int 329 _init(void) 330 { 331 int err; 332 333 if ((err = drmach_init()) != 0) { 334 return (err); 335 } 336 337 if ((err = mod_install(&modlinkage)) != 0) { 338 drmach_fini(); 339 } 340 341 return (err); 342 } 343 344 int 345 _fini(void) 346 { 347 int err; 348 349 if ((err = mod_remove(&modlinkage)) == 0) 350 drmach_fini(); 351 352 return (err); 353 } 354 355 int 356 _info(struct modinfo *modinfop) 357 { 358 return (mod_info(&modlinkage, modinfop)); 359 } 360 361 struct drmach_mc_lookup { 362 int bnum; 363 drmach_board_t *bp; 364 dev_info_t *dip; /* rv - set if found */ 365 }; 366 367 #define _ptob64(p) ((uint64_t)(p) << PAGESHIFT) 368 #define _b64top(b) ((pgcnt_t)((b) >> PAGESHIFT)) 369 370 static int 371 drmach_setup_mc_info(dev_info_t *dip, drmach_mem_t *mp) 372 { 373 uint64_t memory_ranges[128]; 374 int len; 375 struct memlist *ml; 376 int rv; 377 hwd_sb_t *hwd; 378 hwd_memory_t *pm; 379 380 len = sizeof (memory_ranges); 381 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, 382 "sb-mem-ranges", (caddr_t)&memory_ranges[0], &len) != 383 DDI_PROP_SUCCESS) { 384 mp->slice_base = 0; 385 mp->slice_size = 0; 386 return (-1); 387 } 388 mp->slice_base = memory_ranges[0]; 389 mp->slice_size = memory_ranges[1]; 390 391 if (!mp->dev.bp->boot_board) { 392 int i; 393 394 rv = opl_read_hwd(mp->dev.bp->bnum, NULL, NULL, NULL, &hwd); 395 396 if (rv != 0) { 397 return (-1); 398 } 399 400 ml = NULL; 401 pm = &hwd->sb_cmu.cmu_memory; 402 for (i = 0; i < HWD_MAX_MEM_CHUNKS; i++) { 403 if (pm->mem_chunks[i].chnk_size > 0) { 404 ml = memlist_add_span(ml, 405 pm->mem_chunks[i].chnk_start_address, 406 pm->mem_chunks[i].chnk_size); 407 } 408 } 409 } else { 410 /* 411 * we intersect phys_install to get base_pa. 412 * This only works at bootup time. 413 */ 414 415 memlist_read_lock(); 416 ml = memlist_dup(phys_install); 417 memlist_read_unlock(); 418 419 ml = memlist_del_span(ml, 0ull, mp->slice_base); 420 if (ml) { 421 uint64_t basepa, endpa; 422 endpa = _ptob64(physmax + 1); 423 424 basepa = mp->slice_base + mp->slice_size; 425 426 ml = memlist_del_span(ml, basepa, endpa - basepa); 427 } 428 } 429 430 if (ml) { 431 uint64_t nbytes = 0; 432 struct memlist *p; 433 for (p = ml; p; p = p->next) { 434 nbytes += p->size; 435 } 436 if ((mp->nbytes = nbytes) > 0) 437 mp->base_pa = ml->address; 438 else 439 mp->base_pa = 0; 440 mp->memlist = ml; 441 } else { 442 mp->base_pa = 0; 443 mp->nbytes = 0; 444 } 445 return (0); 446 } 447 448 449 struct drmach_hotcpu { 450 drmach_board_t *bp; 451 int bnum; 452 int core_id; 453 int rv; 454 int option; 455 }; 456 457 static int 458 drmach_cpu_cb(dev_info_t *dip, void *arg) 459 { 460 struct drmach_hotcpu *p = (struct drmach_hotcpu *)arg; 461 char name[OBP_MAXDRVNAME]; 462 int len = OBP_MAXDRVNAME; 463 int bnum, core_id, strand_id; 464 drmach_board_t *bp; 465 466 if (dip == ddi_root_node()) { 467 return (DDI_WALK_CONTINUE); 468 } 469 470 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 471 DDI_PROP_DONTPASS, "name", 472 (caddr_t)name, &len) != DDI_PROP_SUCCESS) { 473 return (DDI_WALK_PRUNECHILD); 474 } 475 476 /* only cmp has board number */ 477 bnum = -1; 478 len = sizeof (bnum); 479 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 480 DDI_PROP_DONTPASS, OBP_BOARDNUM, 481 (caddr_t)&bnum, &len) != DDI_PROP_SUCCESS) { 482 bnum = -1; 483 } 484 485 if (strcmp(name, "cmp") == 0) { 486 if (bnum != p->bnum) 487 return (DDI_WALK_PRUNECHILD); 488 return (DDI_WALK_CONTINUE); 489 } 490 /* we have already pruned all unwanted cores and cpu's above */ 491 if (strcmp(name, "core") == 0) { 492 return (DDI_WALK_CONTINUE); 493 } 494 if (strcmp(name, "cpu") == 0) { 495 processorid_t cpuid; 496 len = sizeof (cpuid); 497 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 498 DDI_PROP_DONTPASS, "cpuid", 499 (caddr_t)&cpuid, &len) != DDI_PROP_SUCCESS) { 500 p->rv = -1; 501 return (DDI_WALK_TERMINATE); 502 } 503 504 core_id = p->core_id; 505 506 bnum = LSB_ID(cpuid); 507 508 if (ON_BOARD_CORE_NUM(cpuid) != core_id) 509 return (DDI_WALK_CONTINUE); 510 511 bp = p->bp; 512 ASSERT(bnum == bp->bnum); 513 514 if (p->option == HOTADD_CPU) { 515 if (prom_hotaddcpu(cpuid) != 0) { 516 p->rv = -1; 517 return (DDI_WALK_TERMINATE); 518 } 519 strand_id = STRAND_ID(cpuid); 520 bp->cores[core_id].core_hotadded |= (1 << strand_id); 521 } else if (p->option == HOTREMOVE_CPU) { 522 if (prom_hotremovecpu(cpuid) != 0) { 523 p->rv = -1; 524 return (DDI_WALK_TERMINATE); 525 } 526 strand_id = STRAND_ID(cpuid); 527 bp->cores[core_id].core_hotadded &= ~(1 << strand_id); 528 } 529 return (DDI_WALK_CONTINUE); 530 } 531 532 return (DDI_WALK_PRUNECHILD); 533 } 534 535 536 static int 537 drmach_add_remove_cpu(int bnum, int core_id, int option) 538 { 539 struct drmach_hotcpu arg; 540 drmach_board_t *bp; 541 542 bp = drmach_get_board_by_bnum(bnum); 543 ASSERT(bp); 544 545 arg.bp = bp; 546 arg.bnum = bnum; 547 arg.core_id = core_id; 548 arg.rv = 0; 549 arg.option = option; 550 ddi_walk_devs(ddi_root_node(), drmach_cpu_cb, (void *)&arg); 551 return (arg.rv); 552 } 553 554 struct drmach_setup_core_arg { 555 drmach_board_t *bp; 556 }; 557 558 static int 559 drmach_setup_core_cb(dev_info_t *dip, void *arg) 560 { 561 struct drmach_setup_core_arg *p = (struct drmach_setup_core_arg *)arg; 562 char name[OBP_MAXDRVNAME]; 563 int len = OBP_MAXDRVNAME; 564 int bnum; 565 int core_id, strand_id; 566 567 if (dip == ddi_root_node()) { 568 return (DDI_WALK_CONTINUE); 569 } 570 571 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 572 DDI_PROP_DONTPASS, "name", 573 (caddr_t)name, &len) != DDI_PROP_SUCCESS) { 574 return (DDI_WALK_PRUNECHILD); 575 } 576 577 /* only cmp has board number */ 578 bnum = -1; 579 len = sizeof (bnum); 580 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 581 DDI_PROP_DONTPASS, OBP_BOARDNUM, 582 (caddr_t)&bnum, &len) != DDI_PROP_SUCCESS) { 583 bnum = -1; 584 } 585 586 if (strcmp(name, "cmp") == 0) { 587 if (bnum != p->bp->bnum) 588 return (DDI_WALK_PRUNECHILD); 589 return (DDI_WALK_CONTINUE); 590 } 591 /* we have already pruned all unwanted cores and cpu's above */ 592 if (strcmp(name, "core") == 0) { 593 return (DDI_WALK_CONTINUE); 594 } 595 if (strcmp(name, "cpu") == 0) { 596 processorid_t cpuid; 597 len = sizeof (cpuid); 598 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, 599 DDI_PROP_DONTPASS, "cpuid", 600 (caddr_t)&cpuid, &len) != DDI_PROP_SUCCESS) { 601 return (DDI_WALK_TERMINATE); 602 } 603 bnum = LSB_ID(cpuid); 604 ASSERT(bnum == p->bp->bnum); 605 core_id = ON_BOARD_CORE_NUM(cpuid); 606 strand_id = STRAND_ID(cpuid); 607 p->bp->cores[core_id].core_present |= (1 << strand_id); 608 return (DDI_WALK_CONTINUE); 609 } 610 611 return (DDI_WALK_PRUNECHILD); 612 } 613 614 615 static void 616 drmach_setup_core_info(drmach_board_t *obj) 617 { 618 struct drmach_setup_core_arg arg; 619 int i; 620 621 for (i = 0; i < OPL_MAX_COREID_PER_BOARD; i++) { 622 obj->cores[i].core_present = 0; 623 obj->cores[i].core_hotadded = 0; 624 obj->cores[i].core_started = 0; 625 } 626 arg.bp = obj; 627 ddi_walk_devs(ddi_root_node(), drmach_setup_core_cb, (void *)&arg); 628 629 for (i = 0; i < OPL_MAX_COREID_PER_BOARD; i++) { 630 if (obj->boot_board) { 631 obj->cores[i].core_hotadded = 632 obj->cores[i].core_started = 633 obj->cores[i].core_present; 634 } 635 } 636 } 637 638 /* 639 * drmach_node_* routines serve the purpose of separating the 640 * rest of the code from the device tree and OBP. This is necessary 641 * because of In-Kernel-Probing. Devices probed after stod, are probed 642 * by the in-kernel-prober, not OBP. These devices, therefore, do not 643 * have dnode ids. 644 */ 645 646 typedef struct { 647 drmach_node_walk_args_t *nwargs; 648 int (*cb)(drmach_node_walk_args_t *args); 649 int err; 650 } drmach_node_ddi_walk_args_t; 651 652 static int 653 drmach_node_ddi_walk_cb(dev_info_t *dip, void *arg) 654 { 655 drmach_node_ddi_walk_args_t *nargs; 656 657 nargs = (drmach_node_ddi_walk_args_t *)arg; 658 659 /* 660 * dip doesn't have to be held here as we are called 661 * from ddi_walk_devs() which holds the dip. 662 */ 663 nargs->nwargs->node->here = (void *)dip; 664 665 nargs->err = nargs->cb(nargs->nwargs); 666 667 668 /* 669 * Set "here" to NULL so that unheld dip is not accessible 670 * outside ddi_walk_devs() 671 */ 672 nargs->nwargs->node->here = NULL; 673 674 if (nargs->err) 675 return (DDI_WALK_TERMINATE); 676 else 677 return (DDI_WALK_CONTINUE); 678 } 679 680 static int 681 drmach_node_ddi_walk(drmach_node_t *np, void *data, 682 int (*cb)(drmach_node_walk_args_t *args)) 683 { 684 drmach_node_walk_args_t args; 685 drmach_node_ddi_walk_args_t nargs; 686 687 688 /* initialized args structure for callback */ 689 args.node = np; 690 args.data = data; 691 692 nargs.nwargs = &args; 693 nargs.cb = cb; 694 nargs.err = 0; 695 696 /* 697 * Root node doesn't have to be held in any way. 698 */ 699 ddi_walk_devs(ddi_root_node(), drmach_node_ddi_walk_cb, (void *)&nargs); 700 701 return (nargs.err); 702 } 703 704 static int 705 drmach_node_ddi_get_parent(drmach_node_t *np, drmach_node_t *pp) 706 { 707 dev_info_t *ndip; 708 static char *fn = "drmach_node_ddi_get_parent"; 709 710 ndip = np->n_getdip(np); 711 if (ndip == NULL) { 712 cmn_err(CE_WARN, "%s: NULL dip", fn); 713 return (-1); 714 } 715 716 bcopy(np, pp, sizeof (drmach_node_t)); 717 718 pp->here = (void *)ddi_get_parent(ndip); 719 if (pp->here == NULL) { 720 cmn_err(CE_WARN, "%s: NULL parent dip", fn); 721 return (-1); 722 } 723 724 return (0); 725 } 726 727 /*ARGSUSED*/ 728 static pnode_t 729 drmach_node_ddi_get_dnode(drmach_node_t *np) 730 { 731 return ((pnode_t)NULL); 732 } 733 734 static drmach_node_t * 735 drmach_node_new(void) 736 { 737 drmach_node_t *np; 738 739 np = kmem_zalloc(sizeof (drmach_node_t), KM_SLEEP); 740 741 np->get_dnode = drmach_node_ddi_get_dnode; 742 np->walk = drmach_node_ddi_walk; 743 np->n_getdip = drmach_node_ddi_get_dip; 744 np->n_getproplen = drmach_node_ddi_get_proplen; 745 np->n_getprop = drmach_node_ddi_get_prop; 746 np->get_parent = drmach_node_ddi_get_parent; 747 748 return (np); 749 } 750 751 static void 752 drmach_node_dispose(drmach_node_t *np) 753 { 754 kmem_free(np, sizeof (*np)); 755 } 756 757 static dev_info_t * 758 drmach_node_ddi_get_dip(drmach_node_t *np) 759 { 760 return ((dev_info_t *)np->here); 761 } 762 763 static int 764 drmach_node_walk(drmach_node_t *np, void *param, 765 int (*cb)(drmach_node_walk_args_t *args)) 766 { 767 return (np->walk(np, param, cb)); 768 } 769 770 static int 771 drmach_node_ddi_get_prop(drmach_node_t *np, char *name, void *buf, int len) 772 { 773 int rv = 0; 774 dev_info_t *ndip; 775 static char *fn = "drmach_node_ddi_get_prop"; 776 777 778 ndip = np->n_getdip(np); 779 if (ndip == NULL) { 780 cmn_err(CE_WARN, "%s: NULL dip", fn); 781 rv = -1; 782 } else if (ddi_getlongprop_buf(DDI_DEV_T_ANY, ndip, 783 DDI_PROP_DONTPASS, name, 784 (caddr_t)buf, &len) != DDI_PROP_SUCCESS) { 785 rv = -1; 786 } 787 788 return (rv); 789 } 790 791 static int 792 drmach_node_ddi_get_proplen(drmach_node_t *np, char *name, int *len) 793 { 794 int rv = 0; 795 dev_info_t *ndip; 796 797 ndip = np->n_getdip(np); 798 if (ndip == NULL) { 799 rv = -1; 800 } else if (ddi_getproplen(DDI_DEV_T_ANY, ndip, DDI_PROP_DONTPASS, name, 801 len) != DDI_PROP_SUCCESS) { 802 rv = -1; 803 } 804 805 return (rv); 806 } 807 808 static drmachid_t 809 drmach_node_dup(drmach_node_t *np) 810 { 811 drmach_node_t *dup; 812 813 dup = drmach_node_new(); 814 dup->here = np->here; 815 dup->get_dnode = np->get_dnode; 816 dup->walk = np->walk; 817 dup->n_getdip = np->n_getdip; 818 dup->n_getproplen = np->n_getproplen; 819 dup->n_getprop = np->n_getprop; 820 dup->get_parent = np->get_parent; 821 822 return (dup); 823 } 824 825 /* 826 * drmach_array provides convenient array construction, access, 827 * bounds checking and array destruction logic. 828 */ 829 830 static drmach_array_t * 831 drmach_array_new(int min_index, int max_index) 832 { 833 drmach_array_t *arr; 834 835 arr = kmem_zalloc(sizeof (drmach_array_t), KM_SLEEP); 836 837 arr->arr_sz = (max_index - min_index + 1) * sizeof (void *); 838 if (arr->arr_sz > 0) { 839 arr->min_index = min_index; 840 arr->max_index = max_index; 841 842 arr->arr = kmem_zalloc(arr->arr_sz, KM_SLEEP); 843 return (arr); 844 } else { 845 kmem_free(arr, sizeof (*arr)); 846 return (0); 847 } 848 } 849 850 static int 851 drmach_array_set(drmach_array_t *arr, int idx, drmachid_t val) 852 { 853 if (idx < arr->min_index || idx > arr->max_index) 854 return (-1); 855 else { 856 arr->arr[idx - arr->min_index] = val; 857 return (0); 858 } 859 /*NOTREACHED*/ 860 } 861 862 static int 863 drmach_array_get(drmach_array_t *arr, int idx, drmachid_t *val) 864 { 865 if (idx < arr->min_index || idx > arr->max_index) 866 return (-1); 867 else { 868 *val = arr->arr[idx - arr->min_index]; 869 return (0); 870 } 871 /*NOTREACHED*/ 872 } 873 874 static int 875 drmach_array_first(drmach_array_t *arr, int *idx, drmachid_t *val) 876 { 877 int rv; 878 879 *idx = arr->min_index; 880 while ((rv = drmach_array_get(arr, *idx, val)) == 0 && *val == NULL) 881 *idx += 1; 882 883 return (rv); 884 } 885 886 static int 887 drmach_array_next(drmach_array_t *arr, int *idx, drmachid_t *val) 888 { 889 int rv; 890 891 *idx += 1; 892 while ((rv = drmach_array_get(arr, *idx, val)) == 0 && *val == NULL) 893 *idx += 1; 894 895 return (rv); 896 } 897 898 static void 899 drmach_array_dispose(drmach_array_t *arr, void (*disposer)(drmachid_t)) 900 { 901 drmachid_t val; 902 int idx; 903 int rv; 904 905 rv = drmach_array_first(arr, &idx, &val); 906 while (rv == 0) { 907 (*disposer)(val); 908 rv = drmach_array_next(arr, &idx, &val); 909 } 910 911 kmem_free(arr->arr, arr->arr_sz); 912 kmem_free(arr, sizeof (*arr)); 913 } 914 915 static drmach_board_t * 916 drmach_get_board_by_bnum(int bnum) 917 { 918 drmachid_t id; 919 920 if (drmach_array_get(drmach_boards, bnum, &id) == 0) 921 return ((drmach_board_t *)id); 922 else 923 return (NULL); 924 } 925 926 static pnode_t 927 drmach_node_get_dnode(drmach_node_t *np) 928 { 929 return (np->get_dnode(np)); 930 } 931 932 /*ARGSUSED*/ 933 sbd_error_t * 934 drmach_configure(drmachid_t id, int flags) 935 { 936 drmach_device_t *dp; 937 sbd_error_t *err = NULL; 938 dev_info_t *rdip; 939 dev_info_t *fdip = NULL; 940 941 if (DRMACH_IS_CPU_ID(id)) { 942 return (NULL); 943 } 944 if (!DRMACH_IS_DEVICE_ID(id)) 945 return (drerr_new(0, EOPL_INAPPROP, NULL)); 946 dp = id; 947 rdip = dp->node->n_getdip(dp->node); 948 949 ASSERT(rdip); 950 951 ASSERT(e_ddi_branch_held(rdip)); 952 953 if (e_ddi_branch_configure(rdip, &fdip, 0) != 0) { 954 char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP); 955 dev_info_t *dip = (fdip != NULL) ? fdip : rdip; 956 957 (void) ddi_pathname(dip, path); 958 err = drerr_new(1, EOPL_DRVFAIL, path); 959 960 kmem_free(path, MAXPATHLEN); 961 962 /* If non-NULL, fdip is returned held and must be released */ 963 if (fdip != NULL) 964 ddi_release_devi(fdip); 965 } 966 967 return (err); 968 } 969 970 971 static sbd_error_t * 972 drmach_device_new(drmach_node_t *node, 973 drmach_board_t *bp, int portid, drmachid_t *idp) 974 { 975 int i; 976 int rv; 977 drmach_device_t proto; 978 sbd_error_t *err; 979 char name[OBP_MAXDRVNAME]; 980 981 rv = node->n_getprop(node, "name", name, OBP_MAXDRVNAME); 982 if (rv) { 983 /* every node is expected to have a name */ 984 err = drerr_new(1, EOPL_GETPROP, "device node %s: property %s", 985 ddi_node_name(node->n_getdip(node)), "name"); 986 return (err); 987 } 988 989 /* 990 * The node currently being examined is not listed in the name2type[] 991 * array. In this case, the node is no interest to drmach. Both 992 * dp and err are initialized here to yield nothing (no device or 993 * error structure) for this case. 994 */ 995 i = drmach_name2type_idx(name); 996 997 998 if (i < 0) { 999 *idp = (drmachid_t)0; 1000 return (NULL); 1001 } 1002 1003 /* device specific new function will set unum */ 1004 1005 bzero(&proto, sizeof (proto)); 1006 proto.type = drmach_name2type[i].type; 1007 proto.bp = bp; 1008 proto.node = node; 1009 proto.portid = portid; 1010 1011 return (drmach_name2type[i].new(&proto, idp)); 1012 } 1013 1014 static void 1015 drmach_device_dispose(drmachid_t id) 1016 { 1017 drmach_device_t *self = id; 1018 1019 self->cm.dispose(id); 1020 } 1021 1022 1023 static drmach_board_t * 1024 drmach_board_new(int bnum, int boot_board) 1025 { 1026 static sbd_error_t *drmach_board_release(drmachid_t); 1027 static sbd_error_t *drmach_board_status(drmachid_t, drmach_status_t *); 1028 1029 drmach_board_t *bp; 1030 1031 bp = kmem_zalloc(sizeof (drmach_board_t), KM_SLEEP); 1032 1033 bp->cm.isa = (void *)drmach_board_new; 1034 bp->cm.release = drmach_board_release; 1035 bp->cm.status = drmach_board_status; 1036 1037 (void) drmach_board_name(bnum, bp->cm.name, sizeof (bp->cm.name)); 1038 1039 bp->bnum = bnum; 1040 bp->devices = NULL; 1041 bp->connected = boot_board; 1042 bp->tree = drmach_node_new(); 1043 bp->assigned = boot_board; 1044 bp->powered = boot_board; 1045 bp->boot_board = boot_board; 1046 1047 /* 1048 * If this is not bootup initialization, we have to wait till 1049 * IKP sets up the device nodes in drmach_board_connect(). 1050 */ 1051 if (boot_board) 1052 drmach_setup_core_info(bp); 1053 1054 drmach_array_set(drmach_boards, bnum, bp); 1055 return (bp); 1056 } 1057 1058 static void 1059 drmach_board_dispose(drmachid_t id) 1060 { 1061 drmach_board_t *bp; 1062 1063 ASSERT(DRMACH_IS_BOARD_ID(id)); 1064 bp = id; 1065 1066 if (bp->tree) 1067 drmach_node_dispose(bp->tree); 1068 1069 if (bp->devices) 1070 drmach_array_dispose(bp->devices, drmach_device_dispose); 1071 1072 kmem_free(bp, sizeof (*bp)); 1073 } 1074 1075 static sbd_error_t * 1076 drmach_board_status(drmachid_t id, drmach_status_t *stat) 1077 { 1078 sbd_error_t *err = NULL; 1079 drmach_board_t *bp; 1080 1081 if (!DRMACH_IS_BOARD_ID(id)) 1082 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1083 bp = id; 1084 1085 stat->assigned = bp->assigned; 1086 stat->powered = bp->powered; 1087 stat->busy = 0; /* assume not busy */ 1088 stat->configured = 0; /* assume not configured */ 1089 stat->empty = 0; 1090 stat->cond = bp->cond = SBD_COND_OK; 1091 strncpy(stat->type, "System Brd", sizeof (stat->type)); 1092 stat->info[0] = '\0'; 1093 1094 if (bp->devices) { 1095 int rv; 1096 int d_idx; 1097 drmachid_t d_id; 1098 1099 rv = drmach_array_first(bp->devices, &d_idx, &d_id); 1100 while (rv == 0) { 1101 drmach_status_t d_stat; 1102 1103 err = drmach_i_status(d_id, &d_stat); 1104 if (err) 1105 break; 1106 1107 stat->busy |= d_stat.busy; 1108 stat->configured |= d_stat.configured; 1109 1110 rv = drmach_array_next(bp->devices, &d_idx, &d_id); 1111 } 1112 } 1113 1114 return (err); 1115 } 1116 1117 int 1118 drmach_board_is_floating(drmachid_t id) 1119 { 1120 drmach_board_t *bp; 1121 1122 if (!DRMACH_IS_BOARD_ID(id)) 1123 return (0); 1124 1125 bp = (drmach_board_t *)id; 1126 1127 return ((drmach_domain.floating & (1 << bp->bnum)) ? 1 : 0); 1128 } 1129 1130 static int 1131 drmach_init(void) 1132 { 1133 dev_info_t *rdip; 1134 int i, rv, len; 1135 int *floating; 1136 1137 rw_init(&drmach_boards_rwlock, NULL, RW_DEFAULT, NULL); 1138 1139 drmach_boards = drmach_array_new(0, MAX_BOARDS - 1); 1140 1141 rdip = ddi_root_node(); 1142 1143 if (ddi_getproplen(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, 1144 "floating-boards", &len) != DDI_PROP_SUCCESS) { 1145 cmn_err(CE_WARN, "Cannot get floating-boards proplen\n"); 1146 } else { 1147 floating = (int *)kmem_alloc(len, KM_SLEEP); 1148 rv = ddi_prop_op(DDI_DEV_T_ANY, rdip, PROP_LEN_AND_VAL_BUF, 1149 DDI_PROP_DONTPASS, "floating-boards", (caddr_t)floating, 1150 &len); 1151 if (rv != DDI_PROP_SUCCESS) { 1152 cmn_err(CE_WARN, "Cannot get floating-boards prop\n"); 1153 } else { 1154 drmach_domain.floating = 0; 1155 for (i = 0; i < len / sizeof (int); i++) { 1156 drmach_domain.floating |= (1 << floating[i]); 1157 } 1158 } 1159 kmem_free(floating, len); 1160 } 1161 drmach_domain.allow_dr = opl_check_dr_status(); 1162 1163 rdip = ddi_get_child(ddi_root_node()); 1164 do { 1165 int bnum; 1166 drmachid_t id; 1167 1168 bnum = -1; 1169 bnum = ddi_getprop(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, 1170 OBP_BOARDNUM, -1); 1171 if (bnum == -1) 1172 continue; 1173 1174 if (drmach_array_get(drmach_boards, bnum, &id) == -1) { 1175 cmn_err(CE_WARN, "Device node 0x%p has invalid " 1176 "property value, %s=%d", rdip, OBP_BOARDNUM, bnum); 1177 goto error; 1178 } else if (id == NULL) { 1179 (void) drmach_board_new(bnum, 1); 1180 } 1181 } while ((rdip = ddi_get_next_sibling(rdip)) != NULL); 1182 1183 opl_hold_devtree(); 1184 1185 /* 1186 * Initialize the IKP feature. 1187 * 1188 * This can be done only after DR has acquired a hold on all the 1189 * device nodes that are interesting to IKP. 1190 */ 1191 if (opl_init_cfg() != 0) { 1192 cmn_err(CE_WARN, "DR - IKP initialization failed"); 1193 1194 opl_release_devtree(); 1195 1196 goto error; 1197 } 1198 1199 return (0); 1200 error: 1201 drmach_array_dispose(drmach_boards, drmach_board_dispose); 1202 rw_destroy(&drmach_boards_rwlock); 1203 return (ENXIO); 1204 } 1205 1206 static void 1207 drmach_fini(void) 1208 { 1209 rw_enter(&drmach_boards_rwlock, RW_WRITER); 1210 drmach_array_dispose(drmach_boards, drmach_board_dispose); 1211 drmach_boards = NULL; 1212 rw_exit(&drmach_boards_rwlock); 1213 1214 /* 1215 * Walk immediate children of the root devinfo node 1216 * releasing holds acquired on branches in drmach_init() 1217 */ 1218 1219 opl_release_devtree(); 1220 1221 rw_destroy(&drmach_boards_rwlock); 1222 } 1223 1224 /* 1225 * Each system board contains 2 Oberon PCI bridge and 1226 * 1 CMUCH. 1227 * Each oberon has 2 channels. 1228 * Each channel has 2 pci-ex leaf. 1229 * Each CMUCH has 1 pci bus. 1230 * 1231 * 1232 * Device Path: 1233 * /pci@<portid>,reg 1234 * 1235 * where 1236 * portid[10] = 0 1237 * portid[9:0] = LLEAF_ID[9:0] of the Oberon Channel 1238 * 1239 * LLEAF_ID[9:8] = 0 1240 * LLEAF_ID[8:4] = LSB_ID[4:0] 1241 * LLEAF_ID[3:1] = IO Channel#[2:0] (0,1,2,3 for Oberon) 1242 * channel 4 is pcicmu 1243 * LLEAF_ID[0] = PCI Leaf Number (0 for leaf-A, 1 for leaf-B) 1244 * 1245 * Properties: 1246 * name = pci 1247 * device_type = "pciex" 1248 * board# = LSBID 1249 * reg = int32 * 2, Oberon CSR space of the leaf and the UBC space 1250 * portid = Jupiter Bus Device ID ((LSB_ID << 3)|pciport#) 1251 */ 1252 1253 static sbd_error_t * 1254 drmach_io_new(drmach_device_t *proto, drmachid_t *idp) 1255 { 1256 drmach_io_t *ip; 1257 1258 int portid; 1259 1260 portid = proto->portid; 1261 ASSERT(portid != -1); 1262 proto->unum = portid & (MAX_IO_UNITS_PER_BOARD - 1); 1263 1264 ip = kmem_zalloc(sizeof (drmach_io_t), KM_SLEEP); 1265 bcopy(proto, &ip->dev, sizeof (ip->dev)); 1266 ip->dev.node = drmach_node_dup(proto->node); 1267 ip->dev.cm.isa = (void *)drmach_io_new; 1268 ip->dev.cm.dispose = drmach_io_dispose; 1269 ip->dev.cm.release = drmach_io_release; 1270 ip->dev.cm.status = drmach_io_status; 1271 ip->channel = (portid >> 1) & 0x7; 1272 ip->leaf = (portid & 0x1); 1273 1274 snprintf(ip->dev.cm.name, sizeof (ip->dev.cm.name), "%s%d", 1275 ip->dev.type, ip->dev.unum); 1276 1277 *idp = (drmachid_t)ip; 1278 return (NULL); 1279 } 1280 1281 1282 static void 1283 drmach_io_dispose(drmachid_t id) 1284 { 1285 drmach_io_t *self; 1286 1287 ASSERT(DRMACH_IS_IO_ID(id)); 1288 1289 self = id; 1290 if (self->dev.node) 1291 drmach_node_dispose(self->dev.node); 1292 1293 kmem_free(self, sizeof (*self)); 1294 } 1295 1296 /*ARGSUSED*/ 1297 sbd_error_t * 1298 drmach_pre_op(int cmd, drmachid_t id, drmach_opts_t *opts) 1299 { 1300 drmach_board_t *bp = (drmach_board_t *)id; 1301 sbd_error_t *err = NULL; 1302 1303 /* allow status and ncm operations to always succeed */ 1304 if ((cmd == SBD_CMD_STATUS) || (cmd == SBD_CMD_GETNCM)) { 1305 return (NULL); 1306 } 1307 1308 /* check all other commands for the required option string */ 1309 1310 if ((opts->size > 0) && (opts->copts != NULL)) { 1311 1312 DRMACH_PR("platform options: %s\n", opts->copts); 1313 1314 if (strstr(opts->copts, "opldr") == NULL) { 1315 err = drerr_new(1, EOPL_SUPPORT, NULL); 1316 } 1317 } else { 1318 err = drerr_new(1, EOPL_SUPPORT, NULL); 1319 } 1320 1321 if (!err && id && DRMACH_IS_BOARD_ID(id)) { 1322 switch (cmd) { 1323 case SBD_CMD_TEST: 1324 case SBD_CMD_STATUS: 1325 case SBD_CMD_GETNCM: 1326 break; 1327 case SBD_CMD_CONNECT: 1328 if (bp->connected) 1329 err = drerr_new(0, ESBD_STATE, NULL); 1330 else if (!drmach_domain.allow_dr) 1331 err = drerr_new(1, EOPL_SUPPORT, NULL); 1332 break; 1333 case SBD_CMD_DISCONNECT: 1334 if (!bp->connected) 1335 err = drerr_new(0, ESBD_STATE, NULL); 1336 else if (!drmach_domain.allow_dr) 1337 err = drerr_new(1, EOPL_SUPPORT, NULL); 1338 break; 1339 default: 1340 if (!drmach_domain.allow_dr) 1341 err = drerr_new(1, EOPL_SUPPORT, NULL); 1342 break; 1343 1344 } 1345 } 1346 1347 return (err); 1348 } 1349 1350 /*ARGSUSED*/ 1351 sbd_error_t * 1352 drmach_post_op(int cmd, drmachid_t id, drmach_opts_t *opts) 1353 { 1354 return (NULL); 1355 } 1356 1357 sbd_error_t * 1358 drmach_board_assign(int bnum, drmachid_t *id) 1359 { 1360 sbd_error_t *err = NULL; 1361 1362 rw_enter(&drmach_boards_rwlock, RW_WRITER); 1363 1364 if (drmach_array_get(drmach_boards, bnum, id) == -1) { 1365 err = drerr_new(1, EOPL_BNUM, "%d", bnum); 1366 } else { 1367 drmach_board_t *bp; 1368 1369 if (*id) 1370 rw_downgrade(&drmach_boards_rwlock); 1371 1372 bp = *id; 1373 if (!(*id)) 1374 bp = *id = 1375 (drmachid_t)drmach_board_new(bnum, 0); 1376 bp->assigned = 1; 1377 } 1378 1379 rw_exit(&drmach_boards_rwlock); 1380 1381 return (err); 1382 } 1383 1384 /*ARGSUSED*/ 1385 sbd_error_t * 1386 drmach_board_connect(drmachid_t id, drmach_opts_t *opts) 1387 { 1388 extern int cpu_alljupiter; 1389 drmach_board_t *obj = (drmach_board_t *)id; 1390 unsigned cpu_impl; 1391 1392 if (!DRMACH_IS_BOARD_ID(id)) 1393 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1394 1395 if (opl_probe_sb(obj->bnum, &cpu_impl) != 0) 1396 return (drerr_new(1, EOPL_PROBE, NULL)); 1397 1398 if (cpu_alljupiter) { 1399 if (cpu_impl & (1 << OLYMPUS_C_IMPL)) { 1400 (void) opl_unprobe_sb(obj->bnum); 1401 return (drerr_new(1, EOPL_MIXED_CPU, NULL)); 1402 } 1403 } 1404 1405 (void) prom_attach_notice(obj->bnum); 1406 1407 drmach_setup_core_info(obj); 1408 1409 obj->connected = 1; 1410 1411 return (NULL); 1412 } 1413 1414 static int drmach_cache_flush_flag[NCPU]; 1415 1416 /*ARGSUSED*/ 1417 static void 1418 drmach_flush_cache(uint64_t id, uint64_t dummy) 1419 { 1420 extern void cpu_flush_ecache(void); 1421 1422 cpu_flush_ecache(); 1423 drmach_cache_flush_flag[id] = 0; 1424 } 1425 1426 static void 1427 drmach_flush_all() 1428 { 1429 cpuset_t xc_cpuset; 1430 int i; 1431 1432 xc_cpuset = cpu_ready_set; 1433 for (i = 0; i < NCPU; i++) { 1434 if (CPU_IN_SET(xc_cpuset, i)) { 1435 drmach_cache_flush_flag[i] = 1; 1436 xc_one(i, drmach_flush_cache, i, 0); 1437 while (drmach_cache_flush_flag[i]) { 1438 DELAY(1000); 1439 } 1440 } 1441 } 1442 } 1443 1444 static int 1445 drmach_disconnect_cpus(drmach_board_t *bp) 1446 { 1447 int i, bnum; 1448 1449 bnum = bp->bnum; 1450 1451 for (i = 0; i < OPL_MAX_COREID_PER_BOARD; i++) { 1452 if (bp->cores[i].core_present) { 1453 if (bp->cores[i].core_started) 1454 return (-1); 1455 if (bp->cores[i].core_hotadded) { 1456 if (drmach_add_remove_cpu(bnum, i, 1457 HOTREMOVE_CPU)) { 1458 cmn_err(CE_WARN, "Failed to remove " 1459 "CMP %d on board %d\n", i, bnum); 1460 return (-1); 1461 } 1462 } 1463 } 1464 } 1465 return (0); 1466 } 1467 1468 /*ARGSUSED*/ 1469 sbd_error_t * 1470 drmach_board_disconnect(drmachid_t id, drmach_opts_t *opts) 1471 { 1472 drmach_board_t *obj; 1473 int rv = 0; 1474 sbd_error_t *err = NULL; 1475 1476 if (DRMACH_NULL_ID(id)) 1477 return (NULL); 1478 1479 if (!DRMACH_IS_BOARD_ID(id)) 1480 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1481 1482 obj = (drmach_board_t *)id; 1483 1484 if (drmach_disconnect_cpus(obj)) { 1485 err = drerr_new(1, EOPL_DEPROBE, obj->cm.name); 1486 return (err); 1487 } 1488 1489 rv = opl_unprobe_sb(obj->bnum); 1490 1491 if (rv == 0) { 1492 prom_detach_notice(obj->bnum); 1493 obj->connected = 0; 1494 1495 } else 1496 err = drerr_new(1, EOPL_DEPROBE, obj->cm.name); 1497 1498 return (err); 1499 } 1500 1501 static int 1502 drmach_get_portid(drmach_node_t *np) 1503 { 1504 int portid; 1505 char type[OBP_MAXPROPNAME]; 1506 1507 if (np->n_getprop(np, "portid", &portid, sizeof (portid)) == 0) 1508 return (portid); 1509 1510 /* 1511 * Get the device_type property to see if we should 1512 * continue processing this node. 1513 */ 1514 if (np->n_getprop(np, "device_type", &type, sizeof (type)) != 0) 1515 return (-1); 1516 1517 if (strcmp(type, OPL_CPU_NODE) == 0) { 1518 /* 1519 * We return cpuid because it has no portid 1520 */ 1521 if (np->n_getprop(np, "cpuid", &portid, sizeof (portid)) == 0) 1522 return (portid); 1523 } 1524 1525 return (-1); 1526 } 1527 1528 /* 1529 * This is a helper function to determine if a given 1530 * node should be considered for a dr operation according 1531 * to predefined dr type nodes and the node's name. 1532 * Formal Parameter : The name of a device node. 1533 * Return Value: -1, name does not map to a valid dr type. 1534 * A value greater or equal to 0, name is a valid dr type. 1535 */ 1536 static int 1537 drmach_name2type_idx(char *name) 1538 { 1539 int index, ntypes; 1540 1541 if (name == NULL) 1542 return (-1); 1543 1544 /* 1545 * Determine how many possible types are currently supported 1546 * for dr. 1547 */ 1548 ntypes = sizeof (drmach_name2type) / sizeof (drmach_name2type[0]); 1549 1550 /* Determine if the node's name correspond to a predefined type. */ 1551 for (index = 0; index < ntypes; index++) { 1552 if (strcmp(drmach_name2type[index].name, name) == 0) 1553 /* The node is an allowed type for dr. */ 1554 return (index); 1555 } 1556 1557 /* 1558 * If the name of the node does not map to any of the 1559 * types in the array drmach_name2type then the node is not of 1560 * interest to dr. 1561 */ 1562 return (-1); 1563 } 1564 1565 /* 1566 * there is some complication on OPL: 1567 * - pseudo-mc nodes do not have portid property 1568 * - portid[9:5] of cmp node is LSB #, portid[7:3] of pci is LSB# 1569 * - cmp has board# 1570 * - core and cpu nodes do not have portid and board# properties 1571 * starcat uses portid to derive the board# but that does not work 1572 * for us. starfire reads board# property to filter the devices. 1573 * That does not work either. So for these specific device, 1574 * we use specific hard coded methods to get the board# - 1575 * cpu: LSB# = CPUID[9:5] 1576 */ 1577 1578 static int 1579 drmach_board_find_devices_cb(drmach_node_walk_args_t *args) 1580 { 1581 drmach_node_t *node = args->node; 1582 drmach_board_cb_data_t *data = args->data; 1583 drmach_board_t *obj = data->obj; 1584 1585 int rv, portid; 1586 int bnum; 1587 drmachid_t id; 1588 drmach_device_t *device; 1589 char name[OBP_MAXDRVNAME]; 1590 1591 portid = drmach_get_portid(node); 1592 /* 1593 * core, cpu and pseudo-mc do not have portid 1594 * we use cpuid as the portid of the cpu node 1595 * for pseudo-mc, we do not use portid info. 1596 */ 1597 1598 rv = node->n_getprop(node, "name", name, OBP_MAXDRVNAME); 1599 if (rv) 1600 return (0); 1601 1602 1603 rv = node->n_getprop(node, OBP_BOARDNUM, &bnum, sizeof (bnum)); 1604 1605 if (rv) { 1606 /* 1607 * cpu does not have board# property. We use 1608 * CPUID[9:5] 1609 */ 1610 if (strcmp("cpu", name) == 0) { 1611 bnum = (portid >> 5) & 0x1f; 1612 } else 1613 return (0); 1614 } 1615 1616 1617 if (bnum != obj->bnum) 1618 return (0); 1619 1620 if (drmach_name2type_idx(name) < 0) { 1621 return (0); 1622 } 1623 1624 /* 1625 * Create a device data structure from this node data. 1626 * The call may yield nothing if the node is not of interest 1627 * to drmach. 1628 */ 1629 data->err = drmach_device_new(node, obj, portid, &id); 1630 if (data->err) 1631 return (-1); 1632 else if (!id) { 1633 /* 1634 * drmach_device_new examined the node we passed in 1635 * and determined that it was one not of interest to 1636 * drmach. So, it is skipped. 1637 */ 1638 return (0); 1639 } 1640 1641 rv = drmach_array_set(obj->devices, data->ndevs++, id); 1642 if (rv) { 1643 data->err = DRMACH_INTERNAL_ERROR(); 1644 return (-1); 1645 } 1646 device = id; 1647 1648 data->err = (*data->found)(data->a, device->type, device->unum, id); 1649 return (data->err == NULL ? 0 : -1); 1650 } 1651 1652 sbd_error_t * 1653 drmach_board_find_devices(drmachid_t id, void *a, 1654 sbd_error_t *(*found)(void *a, const char *, int, drmachid_t)) 1655 { 1656 drmach_board_t *bp = (drmach_board_t *)id; 1657 sbd_error_t *err; 1658 int max_devices; 1659 int rv; 1660 drmach_board_cb_data_t data; 1661 1662 1663 if (!DRMACH_IS_BOARD_ID(id)) 1664 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1665 1666 max_devices = MAX_CPU_UNITS_PER_BOARD; 1667 max_devices += MAX_MEM_UNITS_PER_BOARD; 1668 max_devices += MAX_IO_UNITS_PER_BOARD; 1669 1670 bp->devices = drmach_array_new(0, max_devices); 1671 1672 if (bp->tree == NULL) 1673 bp->tree = drmach_node_new(); 1674 1675 data.obj = bp; 1676 data.ndevs = 0; 1677 data.found = found; 1678 data.a = a; 1679 data.err = NULL; 1680 1681 rv = drmach_node_walk(bp->tree, &data, drmach_board_find_devices_cb); 1682 if (rv == 0) 1683 err = NULL; 1684 else { 1685 drmach_array_dispose(bp->devices, drmach_device_dispose); 1686 bp->devices = NULL; 1687 1688 if (data.err) 1689 err = data.err; 1690 else 1691 err = DRMACH_INTERNAL_ERROR(); 1692 } 1693 1694 return (err); 1695 } 1696 1697 int 1698 drmach_board_lookup(int bnum, drmachid_t *id) 1699 { 1700 int rv = 0; 1701 1702 rw_enter(&drmach_boards_rwlock, RW_READER); 1703 if (drmach_array_get(drmach_boards, bnum, id)) { 1704 *id = 0; 1705 rv = -1; 1706 } 1707 rw_exit(&drmach_boards_rwlock); 1708 return (rv); 1709 } 1710 1711 sbd_error_t * 1712 drmach_board_name(int bnum, char *buf, int buflen) 1713 { 1714 snprintf(buf, buflen, "SB%d", bnum); 1715 return (NULL); 1716 } 1717 1718 sbd_error_t * 1719 drmach_board_poweroff(drmachid_t id) 1720 { 1721 drmach_board_t *bp; 1722 sbd_error_t *err; 1723 drmach_status_t stat; 1724 1725 if (DRMACH_NULL_ID(id)) 1726 return (NULL); 1727 1728 if (!DRMACH_IS_BOARD_ID(id)) 1729 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1730 bp = id; 1731 1732 err = drmach_board_status(id, &stat); 1733 1734 if (!err) { 1735 if (stat.configured || stat.busy) 1736 err = drerr_new(0, EOPL_CONFIGBUSY, bp->cm.name); 1737 else { 1738 bp->powered = 0; 1739 } 1740 } 1741 return (err); 1742 } 1743 1744 sbd_error_t * 1745 drmach_board_poweron(drmachid_t id) 1746 { 1747 drmach_board_t *bp; 1748 1749 if (!DRMACH_IS_BOARD_ID(id)) 1750 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1751 bp = id; 1752 1753 bp->powered = 1; 1754 1755 return (NULL); 1756 } 1757 1758 static sbd_error_t * 1759 drmach_board_release(drmachid_t id) 1760 { 1761 if (!DRMACH_IS_BOARD_ID(id)) 1762 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1763 return (NULL); 1764 } 1765 1766 /*ARGSUSED*/ 1767 sbd_error_t * 1768 drmach_board_test(drmachid_t id, drmach_opts_t *opts, int force) 1769 { 1770 return (NULL); 1771 } 1772 1773 sbd_error_t * 1774 drmach_board_unassign(drmachid_t id) 1775 { 1776 drmach_board_t *bp; 1777 sbd_error_t *err; 1778 drmach_status_t stat; 1779 1780 if (DRMACH_NULL_ID(id)) 1781 return (NULL); 1782 1783 if (!DRMACH_IS_BOARD_ID(id)) { 1784 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1785 } 1786 bp = id; 1787 1788 rw_enter(&drmach_boards_rwlock, RW_WRITER); 1789 1790 err = drmach_board_status(id, &stat); 1791 if (err) { 1792 rw_exit(&drmach_boards_rwlock); 1793 return (err); 1794 } 1795 if (stat.configured || stat.busy) { 1796 err = drerr_new(0, EOPL_CONFIGBUSY, bp->cm.name); 1797 } else { 1798 if (drmach_array_set(drmach_boards, bp->bnum, 0) != 0) 1799 err = DRMACH_INTERNAL_ERROR(); 1800 else 1801 drmach_board_dispose(bp); 1802 } 1803 rw_exit(&drmach_boards_rwlock); 1804 return (err); 1805 } 1806 1807 /* 1808 * We have to do more on OPL - e.g. set up sram tte, read cpuid, strand id, 1809 * implementation #, etc 1810 */ 1811 1812 static sbd_error_t * 1813 drmach_cpu_new(drmach_device_t *proto, drmachid_t *idp) 1814 { 1815 static void drmach_cpu_dispose(drmachid_t); 1816 static sbd_error_t *drmach_cpu_release(drmachid_t); 1817 static sbd_error_t *drmach_cpu_status(drmachid_t, drmach_status_t *); 1818 1819 int portid; 1820 drmach_cpu_t *cp = NULL; 1821 1822 /* portid is CPUID of the node */ 1823 portid = proto->portid; 1824 ASSERT(portid != -1); 1825 1826 /* unum = (CMP/CHIP ID) + (ON_BOARD_CORE_NUM * MAX_CMPID_PER_BOARD) */ 1827 proto->unum = ((portid/OPL_MAX_CPUID_PER_CMP) & 1828 (OPL_MAX_CMPID_PER_BOARD - 1)) + 1829 ((portid & (OPL_MAX_CPUID_PER_CMP - 1)) * 1830 (OPL_MAX_CMPID_PER_BOARD)); 1831 1832 cp = kmem_zalloc(sizeof (drmach_cpu_t), KM_SLEEP); 1833 bcopy(proto, &cp->dev, sizeof (cp->dev)); 1834 cp->dev.node = drmach_node_dup(proto->node); 1835 cp->dev.cm.isa = (void *)drmach_cpu_new; 1836 cp->dev.cm.dispose = drmach_cpu_dispose; 1837 cp->dev.cm.release = drmach_cpu_release; 1838 cp->dev.cm.status = drmach_cpu_status; 1839 1840 snprintf(cp->dev.cm.name, sizeof (cp->dev.cm.name), "%s%d", 1841 cp->dev.type, cp->dev.unum); 1842 1843 /* 1844 * CPU ID representation 1845 * CPUID[9:5] = SB# 1846 * CPUID[4:3] = Chip# 1847 * CPUID[2:1] = Core# (Only 2 core for OPL) 1848 * CPUID[0:0] = Strand# 1849 */ 1850 1851 /* 1852 * reg property of the strand contains strand ID 1853 * reg property of the parent node contains core ID 1854 * We should use them. 1855 */ 1856 cp->cpuid = portid; 1857 cp->sb = (portid >> 5) & 0x1f; 1858 cp->chipid = (portid >> 3) & 0x3; 1859 cp->coreid = (portid >> 1) & 0x3; 1860 cp->strandid = portid & 0x1; 1861 1862 *idp = (drmachid_t)cp; 1863 return (NULL); 1864 } 1865 1866 1867 static void 1868 drmach_cpu_dispose(drmachid_t id) 1869 { 1870 drmach_cpu_t *self; 1871 1872 ASSERT(DRMACH_IS_CPU_ID(id)); 1873 1874 self = id; 1875 if (self->dev.node) 1876 drmach_node_dispose(self->dev.node); 1877 1878 kmem_free(self, sizeof (*self)); 1879 } 1880 1881 static int 1882 drmach_cpu_start(struct cpu *cp) 1883 { 1884 int cpuid = cp->cpu_id; 1885 extern int restart_other_cpu(int); 1886 1887 ASSERT(MUTEX_HELD(&cpu_lock)); 1888 ASSERT(cpunodes[cpuid].nodeid != (pnode_t)0); 1889 1890 cp->cpu_flags &= ~CPU_POWEROFF; 1891 1892 /* 1893 * NOTE: restart_other_cpu pauses cpus during the 1894 * slave cpu start. This helps to quiesce the 1895 * bus traffic a bit which makes the tick sync 1896 * routine in the prom more robust. 1897 */ 1898 DRMACH_PR("COLD START for cpu (%d)\n", cpuid); 1899 1900 restart_other_cpu(cpuid); 1901 1902 return (0); 1903 } 1904 1905 static sbd_error_t * 1906 drmach_cpu_release(drmachid_t id) 1907 { 1908 if (!DRMACH_IS_CPU_ID(id)) 1909 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1910 1911 return (NULL); 1912 } 1913 1914 static sbd_error_t * 1915 drmach_cpu_status(drmachid_t id, drmach_status_t *stat) 1916 { 1917 drmach_cpu_t *cp; 1918 drmach_device_t *dp; 1919 1920 ASSERT(DRMACH_IS_CPU_ID(id)); 1921 cp = (drmach_cpu_t *)id; 1922 dp = &cp->dev; 1923 1924 stat->assigned = dp->bp->assigned; 1925 stat->powered = dp->bp->powered; 1926 mutex_enter(&cpu_lock); 1927 stat->configured = (cpu_get(cp->cpuid) != NULL); 1928 mutex_exit(&cpu_lock); 1929 stat->busy = dp->busy; 1930 strncpy(stat->type, dp->type, sizeof (stat->type)); 1931 stat->info[0] = '\0'; 1932 1933 return (NULL); 1934 } 1935 1936 sbd_error_t * 1937 drmach_cpu_disconnect(drmachid_t id) 1938 { 1939 1940 if (!DRMACH_IS_CPU_ID(id)) 1941 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1942 1943 return (NULL); 1944 } 1945 1946 sbd_error_t * 1947 drmach_cpu_get_id(drmachid_t id, processorid_t *cpuid) 1948 { 1949 drmach_cpu_t *cpu; 1950 1951 if (!DRMACH_IS_CPU_ID(id)) 1952 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1953 cpu = (drmach_cpu_t *)id; 1954 1955 /* get from cpu directly on OPL */ 1956 *cpuid = cpu->cpuid; 1957 return (NULL); 1958 } 1959 1960 sbd_error_t * 1961 drmach_cpu_get_impl(drmachid_t id, int *ip) 1962 { 1963 drmach_device_t *cpu; 1964 drmach_node_t *np; 1965 drmach_node_t pp; 1966 int impl; 1967 char type[OBP_MAXPROPNAME]; 1968 1969 if (!DRMACH_IS_CPU_ID(id)) 1970 return (drerr_new(0, EOPL_INAPPROP, NULL)); 1971 1972 cpu = id; 1973 np = cpu->node; 1974 1975 if (np->get_parent(np, &pp) != 0) { 1976 return (DRMACH_INTERNAL_ERROR()); 1977 } 1978 1979 /* the parent should be core */ 1980 1981 if (pp.n_getprop(&pp, "device_type", &type, sizeof (type)) != 0) { 1982 return (drerr_new(0, EOPL_GETPROP, NULL)); 1983 } 1984 1985 if (strcmp(type, OPL_CORE_NODE) == 0) { 1986 if (pp.n_getprop(&pp, "implementation#", &impl, 1987 sizeof (impl)) != 0) { 1988 return (drerr_new(0, EOPL_GETPROP, NULL)); 1989 } 1990 } else { 1991 return (DRMACH_INTERNAL_ERROR()); 1992 } 1993 1994 *ip = impl; 1995 1996 return (NULL); 1997 } 1998 1999 sbd_error_t * 2000 drmach_get_dip(drmachid_t id, dev_info_t **dip) 2001 { 2002 drmach_device_t *dp; 2003 2004 if (!DRMACH_IS_DEVICE_ID(id)) 2005 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2006 dp = id; 2007 2008 *dip = dp->node->n_getdip(dp->node); 2009 return (NULL); 2010 } 2011 2012 sbd_error_t * 2013 drmach_io_is_attached(drmachid_t id, int *yes) 2014 { 2015 drmach_device_t *dp; 2016 dev_info_t *dip; 2017 int state; 2018 2019 if (!DRMACH_IS_IO_ID(id)) 2020 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2021 dp = id; 2022 2023 dip = dp->node->n_getdip(dp->node); 2024 if (dip == NULL) { 2025 *yes = 0; 2026 return (NULL); 2027 } 2028 2029 state = ddi_get_devstate(dip); 2030 *yes = ((i_ddi_node_state(dip) >= DS_ATTACHED) || 2031 (state == DDI_DEVSTATE_UP)); 2032 2033 return (NULL); 2034 } 2035 2036 struct drmach_io_cb { 2037 char *name; /* name of the node */ 2038 int (*func)(dev_info_t *); 2039 int rv; 2040 dev_info_t *dip; 2041 }; 2042 2043 #define DRMACH_IO_POST_ATTACH 0 2044 #define DRMACH_IO_PRE_RELEASE 1 2045 2046 static int 2047 drmach_io_cb_check(dev_info_t *dip, void *arg) 2048 { 2049 struct drmach_io_cb *p = (struct drmach_io_cb *)arg; 2050 char name[OBP_MAXDRVNAME]; 2051 int len = OBP_MAXDRVNAME; 2052 2053 if (ddi_getlongprop_buf(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "name", 2054 (caddr_t)name, &len) != DDI_PROP_SUCCESS) { 2055 return (DDI_WALK_PRUNECHILD); 2056 } 2057 2058 if (strcmp(name, p->name) == 0) { 2059 ndi_hold_devi(dip); 2060 p->dip = dip; 2061 return (DDI_WALK_TERMINATE); 2062 } 2063 2064 return (DDI_WALK_CONTINUE); 2065 } 2066 2067 2068 static int 2069 drmach_console_ops(drmachid_t *id, int state) 2070 { 2071 drmach_io_t *obj = (drmach_io_t *)id; 2072 struct drmach_io_cb arg; 2073 int (*msudetp)(dev_info_t *); 2074 int (*msuattp)(dev_info_t *); 2075 dev_info_t *dip, *pdip; 2076 int circ; 2077 2078 /* 4 is pcicmu channel */ 2079 if (obj->channel != 4) 2080 return (0); 2081 2082 arg.name = "serial"; 2083 arg.func = NULL; 2084 if (state == DRMACH_IO_PRE_RELEASE) { 2085 msudetp = (int (*)(dev_info_t *)) 2086 modgetsymvalue("oplmsu_dr_detach", 0); 2087 if (msudetp != NULL) 2088 arg.func = msudetp; 2089 } else if (state == DRMACH_IO_POST_ATTACH) { 2090 msuattp = (int (*)(dev_info_t *)) 2091 modgetsymvalue("oplmsu_dr_attach", 0); 2092 if (msuattp != NULL) 2093 arg.func = msuattp; 2094 } else { 2095 return (0); 2096 } 2097 2098 if (arg.func == NULL) { 2099 return (0); 2100 } 2101 2102 arg.rv = 0; 2103 arg.dip = NULL; 2104 2105 dip = obj->dev.node->n_getdip(obj->dev.node); 2106 if (pdip = ddi_get_parent(dip)) { 2107 ndi_hold_devi(pdip); 2108 ndi_devi_enter(pdip, &circ); 2109 } else { 2110 /* this cannot happen unless something bad happens */ 2111 return (-1); 2112 } 2113 2114 ddi_walk_devs(dip, drmach_io_cb_check, (void *)&arg); 2115 2116 ndi_devi_exit(pdip, circ); 2117 ndi_rele_devi(pdip); 2118 2119 if (arg.dip) { 2120 arg.rv = (*arg.func)(arg.dip); 2121 ndi_rele_devi(arg.dip); 2122 } else { 2123 arg.rv = -1; 2124 } 2125 2126 return (arg.rv); 2127 } 2128 2129 sbd_error_t * 2130 drmach_io_pre_release(drmachid_t id) 2131 { 2132 int rv; 2133 2134 if (!DRMACH_IS_IO_ID(id)) 2135 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2136 2137 rv = drmach_console_ops(id, DRMACH_IO_PRE_RELEASE); 2138 2139 if (rv != 0) 2140 cmn_err(CE_WARN, "IO callback failed in pre-release\n"); 2141 2142 return (NULL); 2143 } 2144 2145 static sbd_error_t * 2146 drmach_io_release(drmachid_t id) 2147 { 2148 if (!DRMACH_IS_IO_ID(id)) 2149 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2150 return (NULL); 2151 } 2152 2153 sbd_error_t * 2154 drmach_io_unrelease(drmachid_t id) 2155 { 2156 if (!DRMACH_IS_IO_ID(id)) 2157 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2158 return (NULL); 2159 } 2160 2161 /*ARGSUSED*/ 2162 sbd_error_t * 2163 drmach_io_post_release(drmachid_t id) 2164 { 2165 return (NULL); 2166 } 2167 2168 /*ARGSUSED*/ 2169 sbd_error_t * 2170 drmach_io_post_attach(drmachid_t id) 2171 { 2172 int rv; 2173 2174 if (!DRMACH_IS_IO_ID(id)) 2175 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2176 2177 rv = drmach_console_ops(id, DRMACH_IO_POST_ATTACH); 2178 2179 if (rv != 0) 2180 cmn_err(CE_WARN, "IO callback failed in post-attach\n"); 2181 2182 return (0); 2183 } 2184 2185 static sbd_error_t * 2186 drmach_io_status(drmachid_t id, drmach_status_t *stat) 2187 { 2188 drmach_device_t *dp; 2189 sbd_error_t *err; 2190 int configured; 2191 2192 ASSERT(DRMACH_IS_IO_ID(id)); 2193 dp = id; 2194 2195 err = drmach_io_is_attached(id, &configured); 2196 if (err) 2197 return (err); 2198 2199 stat->assigned = dp->bp->assigned; 2200 stat->powered = dp->bp->powered; 2201 stat->configured = (configured != 0); 2202 stat->busy = dp->busy; 2203 strncpy(stat->type, dp->type, sizeof (stat->type)); 2204 stat->info[0] = '\0'; 2205 2206 return (NULL); 2207 } 2208 2209 static sbd_error_t * 2210 drmach_mem_new(drmach_device_t *proto, drmachid_t *idp) 2211 { 2212 static void drmach_mem_dispose(drmachid_t); 2213 static sbd_error_t *drmach_mem_release(drmachid_t); 2214 static sbd_error_t *drmach_mem_status(drmachid_t, drmach_status_t *); 2215 dev_info_t *dip; 2216 int rv; 2217 2218 drmach_mem_t *mp; 2219 2220 rv = 0; 2221 2222 if ((proto->node->n_getproplen(proto->node, "mc-addr", &rv) < 0) || 2223 (rv <= 0)) { 2224 *idp = (drmachid_t)0; 2225 return (NULL); 2226 } 2227 2228 mp = kmem_zalloc(sizeof (drmach_mem_t), KM_SLEEP); 2229 proto->unum = 0; 2230 2231 bcopy(proto, &mp->dev, sizeof (mp->dev)); 2232 mp->dev.node = drmach_node_dup(proto->node); 2233 mp->dev.cm.isa = (void *)drmach_mem_new; 2234 mp->dev.cm.dispose = drmach_mem_dispose; 2235 mp->dev.cm.release = drmach_mem_release; 2236 mp->dev.cm.status = drmach_mem_status; 2237 2238 snprintf(mp->dev.cm.name, sizeof (mp->dev.cm.name), "%s", mp->dev.type); 2239 2240 dip = mp->dev.node->n_getdip(mp->dev.node); 2241 if (drmach_setup_mc_info(dip, mp) != 0) { 2242 return (drerr_new(1, EOPL_MC_SETUP, NULL)); 2243 } 2244 2245 /* make sure we do not create memoryless nodes */ 2246 if (mp->nbytes == 0) { 2247 *idp = (drmachid_t)NULL; 2248 kmem_free(mp, sizeof (drmach_mem_t)); 2249 } else 2250 *idp = (drmachid_t)mp; 2251 2252 return (NULL); 2253 } 2254 2255 static void 2256 drmach_mem_dispose(drmachid_t id) 2257 { 2258 drmach_mem_t *mp; 2259 2260 ASSERT(DRMACH_IS_MEM_ID(id)); 2261 2262 2263 mp = id; 2264 2265 if (mp->dev.node) 2266 drmach_node_dispose(mp->dev.node); 2267 2268 if (mp->memlist) { 2269 memlist_delete(mp->memlist); 2270 mp->memlist = NULL; 2271 } 2272 2273 kmem_free(mp, sizeof (*mp)); 2274 } 2275 2276 sbd_error_t * 2277 drmach_mem_add_span(drmachid_t id, uint64_t basepa, uint64_t size) 2278 { 2279 pfn_t basepfn = (pfn_t)(basepa >> PAGESHIFT); 2280 pgcnt_t npages = (pgcnt_t)(size >> PAGESHIFT); 2281 int rv; 2282 2283 ASSERT(size != 0); 2284 2285 if (!DRMACH_IS_MEM_ID(id)) 2286 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2287 2288 rv = kcage_range_add(basepfn, npages, KCAGE_DOWN); 2289 if (rv == ENOMEM) { 2290 cmn_err(CE_WARN, "%ld megabytes not available to kernel cage", 2291 (size == 0 ? 0 : size / MBYTE)); 2292 } else if (rv != 0) { 2293 /* catch this in debug kernels */ 2294 ASSERT(0); 2295 2296 cmn_err(CE_WARN, "unexpected kcage_range_add return value %d", 2297 rv); 2298 } 2299 2300 if (rv) { 2301 return (DRMACH_INTERNAL_ERROR()); 2302 } 2303 else 2304 return (NULL); 2305 } 2306 2307 sbd_error_t * 2308 drmach_mem_del_span(drmachid_t id, uint64_t basepa, uint64_t size) 2309 { 2310 pfn_t basepfn = (pfn_t)(basepa >> PAGESHIFT); 2311 pgcnt_t npages = (pgcnt_t)(size >> PAGESHIFT); 2312 int rv; 2313 2314 if (!DRMACH_IS_MEM_ID(id)) 2315 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2316 2317 if (size > 0) { 2318 rv = kcage_range_delete_post_mem_del(basepfn, npages); 2319 if (rv != 0) { 2320 cmn_err(CE_WARN, 2321 "unexpected kcage_range_delete_post_mem_del" 2322 " return value %d", rv); 2323 return (DRMACH_INTERNAL_ERROR()); 2324 } 2325 } 2326 2327 return (NULL); 2328 } 2329 2330 sbd_error_t * 2331 drmach_mem_disable(drmachid_t id) 2332 { 2333 if (!DRMACH_IS_MEM_ID(id)) 2334 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2335 else { 2336 drmach_flush_all(); 2337 return (NULL); 2338 } 2339 } 2340 2341 sbd_error_t * 2342 drmach_mem_enable(drmachid_t id) 2343 { 2344 if (!DRMACH_IS_MEM_ID(id)) 2345 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2346 else 2347 return (NULL); 2348 } 2349 2350 sbd_error_t * 2351 drmach_mem_get_info(drmachid_t id, drmach_mem_info_t *mem) 2352 { 2353 drmach_mem_t *mp; 2354 2355 if (!DRMACH_IS_MEM_ID(id)) 2356 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2357 2358 mp = (drmach_mem_t *)id; 2359 2360 /* 2361 * This is only used by dr to round up/down the memory 2362 * for copying. Our unit of memory isolation is 64 MB. 2363 */ 2364 2365 mem->mi_alignment_mask = (64 * 1024 * 1024 - 1); 2366 mem->mi_basepa = mp->base_pa; 2367 mem->mi_size = mp->nbytes; 2368 mem->mi_slice_size = mp->slice_size; 2369 2370 return (NULL); 2371 } 2372 2373 sbd_error_t * 2374 drmach_mem_get_base_physaddr(drmachid_t id, uint64_t *pa) 2375 { 2376 drmach_mem_t *mp; 2377 2378 if (!DRMACH_IS_MEM_ID(id)) 2379 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2380 2381 mp = (drmach_mem_t *)id; 2382 2383 *pa = mp->base_pa; 2384 return (NULL); 2385 } 2386 2387 sbd_error_t * 2388 drmach_mem_get_memlist(drmachid_t id, struct memlist **ml) 2389 { 2390 drmach_mem_t *mem; 2391 #ifdef DEBUG 2392 int rv; 2393 #endif 2394 struct memlist *mlist; 2395 2396 if (!DRMACH_IS_MEM_ID(id)) 2397 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2398 2399 mem = (drmach_mem_t *)id; 2400 mlist = memlist_dup(mem->memlist); 2401 2402 #ifdef DEBUG 2403 /* 2404 * Make sure the incoming memlist doesn't already 2405 * intersect with what's present in the system (phys_install). 2406 */ 2407 memlist_read_lock(); 2408 rv = memlist_intersect(phys_install, mlist); 2409 memlist_read_unlock(); 2410 if (rv) { 2411 DRMACH_PR("Derived memlist intersects with phys_install\n"); 2412 memlist_dump(mlist); 2413 2414 DRMACH_PR("phys_install memlist:\n"); 2415 memlist_dump(phys_install); 2416 2417 memlist_delete(mlist); 2418 return (DRMACH_INTERNAL_ERROR()); 2419 } 2420 2421 DRMACH_PR("Derived memlist:"); 2422 memlist_dump(mlist); 2423 #endif 2424 *ml = mlist; 2425 2426 return (NULL); 2427 } 2428 2429 sbd_error_t * 2430 drmach_mem_get_slice_size(drmachid_t id, uint64_t *bytes) 2431 { 2432 drmach_mem_t *mem; 2433 2434 if (!DRMACH_IS_MEM_ID(id)) 2435 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2436 2437 mem = (drmach_mem_t *)id; 2438 2439 *bytes = mem->slice_size; 2440 2441 return (NULL); 2442 } 2443 2444 2445 /* ARGSUSED */ 2446 processorid_t 2447 drmach_mem_cpu_affinity(drmachid_t id) 2448 { 2449 return (CPU_CURRENT); 2450 } 2451 2452 static sbd_error_t * 2453 drmach_mem_release(drmachid_t id) 2454 { 2455 if (!DRMACH_IS_MEM_ID(id)) 2456 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2457 return (NULL); 2458 } 2459 2460 static sbd_error_t * 2461 drmach_mem_status(drmachid_t id, drmach_status_t *stat) 2462 { 2463 drmach_mem_t *dp; 2464 uint64_t pa, slice_size; 2465 struct memlist *ml; 2466 2467 ASSERT(DRMACH_IS_MEM_ID(id)); 2468 dp = id; 2469 2470 /* get starting physical address of target memory */ 2471 pa = dp->base_pa; 2472 2473 /* round down to slice boundary */ 2474 slice_size = dp->slice_size; 2475 pa &= ~(slice_size - 1); 2476 2477 /* stop at first span that is in slice */ 2478 memlist_read_lock(); 2479 for (ml = phys_install; ml; ml = ml->next) 2480 if (ml->address >= pa && ml->address < pa + slice_size) 2481 break; 2482 memlist_read_unlock(); 2483 2484 stat->assigned = dp->dev.bp->assigned; 2485 stat->powered = dp->dev.bp->powered; 2486 stat->configured = (ml != NULL); 2487 stat->busy = dp->dev.busy; 2488 strncpy(stat->type, dp->dev.type, sizeof (stat->type)); 2489 stat->info[0] = '\0'; 2490 2491 return (NULL); 2492 } 2493 2494 2495 sbd_error_t * 2496 drmach_board_deprobe(drmachid_t id) 2497 { 2498 drmach_board_t *bp; 2499 2500 if (!DRMACH_IS_BOARD_ID(id)) 2501 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2502 2503 bp = id; 2504 2505 cmn_err(CE_CONT, "DR: detach board %d\n", bp->bnum); 2506 2507 if (bp->tree) { 2508 drmach_node_dispose(bp->tree); 2509 bp->tree = NULL; 2510 } 2511 if (bp->devices) { 2512 drmach_array_dispose(bp->devices, drmach_device_dispose); 2513 bp->devices = NULL; 2514 } 2515 2516 bp->boot_board = 0; 2517 2518 return (NULL); 2519 } 2520 2521 /*ARGSUSED*/ 2522 static sbd_error_t * 2523 drmach_pt_ikprobe(drmachid_t id, drmach_opts_t *opts) 2524 { 2525 drmach_board_t *bp = (drmach_board_t *)id; 2526 sbd_error_t *err = NULL; 2527 int rv; 2528 unsigned cpu_impl; 2529 2530 if (!DRMACH_IS_BOARD_ID(id)) 2531 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2532 2533 DRMACH_PR("calling opl_probe_board for bnum=%d\n", bp->bnum); 2534 rv = opl_probe_sb(bp->bnum, &cpu_impl); 2535 if (rv != 0) { 2536 err = drerr_new(1, EOPL_PROBE, bp->cm.name); 2537 return (err); 2538 } 2539 return (err); 2540 } 2541 2542 /*ARGSUSED*/ 2543 static sbd_error_t * 2544 drmach_pt_ikdeprobe(drmachid_t id, drmach_opts_t *opts) 2545 { 2546 drmach_board_t *bp; 2547 sbd_error_t *err = NULL; 2548 int rv; 2549 2550 if (!DRMACH_IS_BOARD_ID(id)) 2551 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2552 bp = (drmach_board_t *)id; 2553 2554 cmn_err(CE_CONT, "DR: in-kernel unprobe board %d\n", bp->bnum); 2555 2556 rv = opl_unprobe_sb(bp->bnum); 2557 if (rv != 0) { 2558 err = drerr_new(1, EOPL_DEPROBE, bp->cm.name); 2559 } 2560 2561 return (err); 2562 } 2563 2564 2565 /*ARGSUSED*/ 2566 sbd_error_t * 2567 drmach_pt_readmem(drmachid_t id, drmach_opts_t *opts) 2568 { 2569 struct memlist *ml; 2570 uint64_t src_pa; 2571 uint64_t dst_pa; 2572 uint64_t dst; 2573 2574 dst_pa = va_to_pa(&dst); 2575 2576 memlist_read_lock(); 2577 for (ml = phys_install; ml; ml = ml->next) { 2578 uint64_t nbytes; 2579 2580 src_pa = ml->address; 2581 nbytes = ml->size; 2582 2583 while (nbytes != 0ull) { 2584 2585 /* copy 32 bytes at arc_pa to dst_pa */ 2586 bcopy32_il(src_pa, dst_pa); 2587 2588 /* increment by 32 bytes */ 2589 src_pa += (4 * sizeof (uint64_t)); 2590 2591 /* decrement by 32 bytes */ 2592 nbytes -= (4 * sizeof (uint64_t)); 2593 } 2594 } 2595 memlist_read_unlock(); 2596 2597 return (NULL); 2598 } 2599 2600 static struct { 2601 const char *name; 2602 sbd_error_t *(*handler)(drmachid_t id, drmach_opts_t *opts); 2603 } drmach_pt_arr[] = { 2604 { "readmem", drmach_pt_readmem }, 2605 { "ikprobe", drmach_pt_ikprobe }, 2606 { "ikdeprobe", drmach_pt_ikdeprobe }, 2607 2608 /* the following line must always be last */ 2609 { NULL, NULL } 2610 }; 2611 2612 /*ARGSUSED*/ 2613 sbd_error_t * 2614 drmach_passthru(drmachid_t id, drmach_opts_t *opts) 2615 { 2616 int i; 2617 sbd_error_t *err; 2618 2619 i = 0; 2620 while (drmach_pt_arr[i].name != NULL) { 2621 int len = strlen(drmach_pt_arr[i].name); 2622 2623 if (strncmp(drmach_pt_arr[i].name, opts->copts, len) == 0) 2624 break; 2625 2626 i += 1; 2627 } 2628 2629 if (drmach_pt_arr[i].name == NULL) 2630 err = drerr_new(0, EOPL_UNKPTCMD, opts->copts); 2631 else 2632 err = (*drmach_pt_arr[i].handler)(id, opts); 2633 2634 return (err); 2635 } 2636 2637 sbd_error_t * 2638 drmach_release(drmachid_t id) 2639 { 2640 drmach_common_t *cp; 2641 2642 if (!DRMACH_IS_DEVICE_ID(id)) 2643 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2644 cp = id; 2645 2646 return (cp->release(id)); 2647 } 2648 2649 sbd_error_t * 2650 drmach_status(drmachid_t id, drmach_status_t *stat) 2651 { 2652 drmach_common_t *cp; 2653 sbd_error_t *err; 2654 2655 rw_enter(&drmach_boards_rwlock, RW_READER); 2656 2657 if (!DRMACH_IS_ID(id)) { 2658 rw_exit(&drmach_boards_rwlock); 2659 return (drerr_new(0, EOPL_NOTID, NULL)); 2660 } 2661 cp = (drmach_common_t *)id; 2662 err = cp->status(id, stat); 2663 2664 rw_exit(&drmach_boards_rwlock); 2665 2666 return (err); 2667 } 2668 2669 static sbd_error_t * 2670 drmach_i_status(drmachid_t id, drmach_status_t *stat) 2671 { 2672 drmach_common_t *cp; 2673 2674 if (!DRMACH_IS_ID(id)) 2675 return (drerr_new(0, EOPL_NOTID, NULL)); 2676 cp = id; 2677 2678 return (cp->status(id, stat)); 2679 } 2680 2681 /*ARGSUSED*/ 2682 sbd_error_t * 2683 drmach_unconfigure(drmachid_t id, int flags) 2684 { 2685 drmach_device_t *dp; 2686 dev_info_t *rdip, *fdip = NULL; 2687 char name[OBP_MAXDRVNAME]; 2688 int rv; 2689 2690 if (DRMACH_IS_CPU_ID(id)) 2691 return (NULL); 2692 2693 if (!DRMACH_IS_DEVICE_ID(id)) 2694 return (drerr_new(0, EOPL_INAPPROP, NULL)); 2695 2696 dp = id; 2697 2698 rdip = dp->node->n_getdip(dp->node); 2699 2700 ASSERT(rdip); 2701 2702 rv = dp->node->n_getprop(dp->node, "name", name, OBP_MAXDRVNAME); 2703 2704 if (rv) 2705 return (NULL); 2706 2707 /* 2708 * Note: FORCE flag is no longer necessary under devfs 2709 */ 2710 2711 ASSERT(e_ddi_branch_held(rdip)); 2712 if (e_ddi_branch_unconfigure(rdip, &fdip, 0)) { 2713 sbd_error_t *err; 2714 char *path = kmem_alloc(MAXPATHLEN, KM_SLEEP); 2715 2716 /* 2717 * If non-NULL, fdip is returned held and must be released. 2718 */ 2719 if (fdip != NULL) { 2720 (void) ddi_pathname(fdip, path); 2721 ndi_rele_devi(fdip); 2722 } else { 2723 (void) ddi_pathname(rdip, path); 2724 } 2725 2726 err = drerr_new(1, EOPL_DRVFAIL, path); 2727 2728 kmem_free(path, MAXPATHLEN); 2729 2730 return (err); 2731 } 2732 2733 return (NULL); 2734 } 2735 2736 2737 int 2738 drmach_cpu_poweron(struct cpu *cp) 2739 { 2740 int bnum, cpuid, onb_core_num, strand_id; 2741 drmach_board_t *bp; 2742 2743 DRMACH_PR("drmach_cpu_poweron: starting cpuid %d\n", cp->cpu_id); 2744 2745 cpuid = cp->cpu_id; 2746 bnum = LSB_ID(cpuid); 2747 onb_core_num = ON_BOARD_CORE_NUM(cpuid); 2748 strand_id = STRAND_ID(cpuid); 2749 bp = drmach_get_board_by_bnum(bnum); 2750 2751 ASSERT(bp); 2752 if (bp->cores[onb_core_num].core_hotadded == 0) { 2753 if (drmach_add_remove_cpu(bnum, onb_core_num, 2754 HOTADD_CPU) != 0) { 2755 cmn_err(CE_WARN, "Failed to add CMP %d on board %d\n", 2756 onb_core_num, bnum); 2757 return (EIO); 2758 } 2759 } 2760 2761 ASSERT(MUTEX_HELD(&cpu_lock)); 2762 2763 if (drmach_cpu_start(cp) != 0) { 2764 if (bp->cores[onb_core_num].core_started == 0) { 2765 /* 2766 * we must undo the hotadd or no one will do that 2767 * If this fails, we will do this again in 2768 * drmach_board_disconnect. 2769 */ 2770 if (drmach_add_remove_cpu(bnum, onb_core_num, 2771 HOTREMOVE_CPU) != 0) { 2772 cmn_err(CE_WARN, "Failed to remove CMP %d " 2773 "on board %d\n", onb_core_num, bnum); 2774 } 2775 } 2776 return (EBUSY); 2777 } else { 2778 bp->cores[onb_core_num].core_started |= (1 << strand_id); 2779 return (0); 2780 } 2781 } 2782 2783 int 2784 drmach_cpu_poweroff(struct cpu *cp) 2785 { 2786 int rv = 0; 2787 processorid_t cpuid = cp->cpu_id; 2788 2789 DRMACH_PR("drmach_cpu_poweroff: stopping cpuid %d\n", cp->cpu_id); 2790 2791 ASSERT(MUTEX_HELD(&cpu_lock)); 2792 2793 /* 2794 * Capture all CPUs (except for detaching proc) to prevent 2795 * crosscalls to the detaching proc until it has cleared its 2796 * bit in cpu_ready_set. 2797 * 2798 * The CPU's remain paused and the prom_mutex is known to be free. 2799 * This prevents the x-trap victim from blocking when doing prom 2800 * IEEE-1275 calls at a high PIL level. 2801 */ 2802 2803 promsafe_pause_cpus(); 2804 2805 /* 2806 * Quiesce interrupts on the target CPU. We do this by setting 2807 * the CPU 'not ready'- (i.e. removing the CPU from cpu_ready_set) to 2808 * prevent it from receiving cross calls and cross traps. 2809 * This prevents the processor from receiving any new soft interrupts. 2810 */ 2811 mp_cpu_quiesce(cp); 2812 2813 rv = prom_stopcpu_bycpuid(cpuid); 2814 if (rv == 0) 2815 cp->cpu_flags = CPU_OFFLINE | CPU_QUIESCED | CPU_POWEROFF; 2816 2817 start_cpus(); 2818 2819 if (rv == 0) { 2820 int bnum, onb_core_num, strand_id; 2821 drmach_board_t *bp; 2822 2823 CPU_SIGNATURE(OS_SIG, SIGST_DETACHED, SIGSUBST_NULL, cpuid); 2824 2825 bnum = LSB_ID(cpuid); 2826 onb_core_num = ON_BOARD_CORE_NUM(cpuid); 2827 strand_id = STRAND_ID(cpuid); 2828 bp = drmach_get_board_by_bnum(bnum); 2829 ASSERT(bp); 2830 2831 bp->cores[onb_core_num].core_started &= ~(1 << strand_id); 2832 if (bp->cores[onb_core_num].core_started == 0) { 2833 if (drmach_add_remove_cpu(bnum, onb_core_num, 2834 HOTREMOVE_CPU) != 0) { 2835 cmn_err(CE_WARN, "Failed to remove CMP %d LSB " 2836 "%d\n", onb_core_num, bnum); 2837 return (EIO); 2838 } 2839 } 2840 } 2841 2842 return (rv); 2843 } 2844 2845 /*ARGSUSED*/ 2846 int 2847 drmach_verify_sr(dev_info_t *dip, int sflag) 2848 { 2849 return (0); 2850 } 2851 2852 void 2853 drmach_suspend_last(void) 2854 { 2855 } 2856 2857 void 2858 drmach_resume_first(void) 2859 { 2860 } 2861 2862 /* 2863 * Log a DR sysevent. 2864 * Return value: 0 success, non-zero failure. 2865 */ 2866 int 2867 drmach_log_sysevent(int board, char *hint, int flag, int verbose) 2868 { 2869 sysevent_t *ev; 2870 sysevent_id_t eid; 2871 int rv, km_flag; 2872 sysevent_value_t evnt_val; 2873 sysevent_attr_list_t *evnt_attr_list = NULL; 2874 char attach_pnt[MAXNAMELEN]; 2875 2876 km_flag = (flag == SE_SLEEP) ? KM_SLEEP : KM_NOSLEEP; 2877 attach_pnt[0] = '\0'; 2878 if (drmach_board_name(board, attach_pnt, MAXNAMELEN)) { 2879 rv = -1; 2880 goto logexit; 2881 } 2882 if (verbose) { 2883 DRMACH_PR("drmach_log_sysevent: %s %s, flag: %d, verbose: %d\n", 2884 attach_pnt, hint, flag, verbose); 2885 } 2886 2887 if ((ev = sysevent_alloc(EC_DR, ESC_DR_AP_STATE_CHANGE, 2888 SUNW_KERN_PUB"dr", km_flag)) == NULL) { 2889 rv = -2; 2890 goto logexit; 2891 } 2892 evnt_val.value_type = SE_DATA_TYPE_STRING; 2893 evnt_val.value.sv_string = attach_pnt; 2894 if ((rv = sysevent_add_attr(&evnt_attr_list, DR_AP_ID, &evnt_val, 2895 km_flag)) != 0) 2896 goto logexit; 2897 2898 evnt_val.value_type = SE_DATA_TYPE_STRING; 2899 evnt_val.value.sv_string = hint; 2900 if ((rv = sysevent_add_attr(&evnt_attr_list, DR_HINT, &evnt_val, 2901 km_flag)) != 0) { 2902 sysevent_free_attr(evnt_attr_list); 2903 goto logexit; 2904 } 2905 2906 (void) sysevent_attach_attributes(ev, evnt_attr_list); 2907 2908 /* 2909 * Log the event but do not sleep waiting for its 2910 * delivery. This provides insulation from syseventd. 2911 */ 2912 rv = log_sysevent(ev, SE_NOSLEEP, &eid); 2913 2914 logexit: 2915 if (ev) 2916 sysevent_free(ev); 2917 if ((rv != 0) && verbose) 2918 cmn_err(CE_WARN, "drmach_log_sysevent failed (rv %d) for %s " 2919 " %s\n", rv, attach_pnt, hint); 2920 2921 return (rv); 2922 } 2923 2924 #define OPL_DR_STATUS_PROP "dr-status" 2925 2926 static int 2927 opl_check_dr_status() 2928 { 2929 pnode_t node; 2930 int rtn, len; 2931 char *str; 2932 2933 node = prom_rootnode(); 2934 if (node == OBP_BADNODE) { 2935 return (1); 2936 } 2937 2938 len = prom_getproplen(node, OPL_DR_STATUS_PROP); 2939 if (len == -1) { 2940 /* 2941 * dr-status doesn't exist when DR is activated and 2942 * any warning messages aren't needed. 2943 */ 2944 return (1); 2945 } 2946 2947 str = (char *)kmem_zalloc(len+1, KM_SLEEP); 2948 rtn = prom_getprop(node, OPL_DR_STATUS_PROP, str); 2949 kmem_free(str, len + 1); 2950 if (rtn == -1) { 2951 return (1); 2952 } else { 2953 return (0); 2954 } 2955 } 2956 2957 /* we are allocating memlist from TLB locked pages to avoid tlbmisses */ 2958 2959 static struct memlist * 2960 drmach_memlist_add_span(drmach_copy_rename_program_t *p, 2961 struct memlist *mlist, uint64_t base, uint64_t len) 2962 { 2963 struct memlist *ml, *tl, *nl; 2964 2965 if (len == 0ull) 2966 return (NULL); 2967 2968 if (mlist == NULL) { 2969 mlist = p->free_mlist; 2970 if (mlist == NULL) 2971 return (NULL); 2972 p->free_mlist = mlist->next; 2973 mlist->address = base; 2974 mlist->size = len; 2975 mlist->next = mlist->prev = NULL; 2976 2977 return (mlist); 2978 } 2979 2980 for (tl = ml = mlist; ml; tl = ml, ml = ml->next) { 2981 if (base < ml->address) { 2982 if ((base + len) < ml->address) { 2983 nl = p->free_mlist; 2984 if (nl == NULL) 2985 return (NULL); 2986 p->free_mlist = nl->next; 2987 nl->address = base; 2988 nl->size = len; 2989 nl->next = ml; 2990 if ((nl->prev = ml->prev) != NULL) 2991 nl->prev->next = nl; 2992 ml->prev = nl; 2993 if (mlist == ml) 2994 mlist = nl; 2995 } else { 2996 ml->size = MAX((base + len), (ml->address + 2997 ml->size)) - base; 2998 ml->address = base; 2999 } 3000 break; 3001 3002 } else if (base <= (ml->address + ml->size)) { 3003 ml->size = MAX((base + len), (ml->address + ml->size)) - 3004 MIN(ml->address, base); 3005 ml->address = MIN(ml->address, base); 3006 break; 3007 } 3008 } 3009 if (ml == NULL) { 3010 nl = p->free_mlist; 3011 if (nl == NULL) 3012 return (NULL); 3013 p->free_mlist = nl->next; 3014 nl->address = base; 3015 nl->size = len; 3016 nl->next = NULL; 3017 nl->prev = tl; 3018 tl->next = nl; 3019 } 3020 3021 return (mlist); 3022 } 3023 3024 /* 3025 * The routine performs the necessary memory COPY and MC adr SWITCH. 3026 * Both operations MUST be at the same "level" so that the stack is 3027 * maintained correctly between the copy and switch. The switch 3028 * portion implements a caching mechanism to guarantee the code text 3029 * is cached prior to execution. This is to guard against possible 3030 * memory access while the MC adr's are being modified. 3031 * 3032 * IMPORTANT: The _drmach_copy_rename_end() function must immediately 3033 * follow drmach_copy_rename_prog__relocatable() so that the correct 3034 * "length" of the drmach_copy_rename_prog__relocatable can be 3035 * calculated. This routine MUST be a LEAF function, i.e. it can 3036 * make NO function calls, primarily for two reasons: 3037 * 3038 * 1. We must keep the stack consistent across the "switch". 3039 * 2. Function calls are compiled to relative offsets, and 3040 * we execute this function we'll be executing it from 3041 * a copied version in a different area of memory, thus 3042 * the relative offsets will be bogus. 3043 * 3044 * Moreover, it must have the "__relocatable" suffix to inform DTrace 3045 * providers (and anything else, for that matter) that this 3046 * function's text is manually relocated elsewhere before it is 3047 * executed. That is, it cannot be safely instrumented with any 3048 * methodology that is PC-relative. 3049 */ 3050 3051 /* 3052 * We multiply this to system_clock_frequency so we 3053 * are setting a delay of fmem_timeout second for 3054 * the rename command. 3055 * 3056 * FMEM command itself should complete within 15 sec. 3057 * We add 2 more sec to be conservative. 3058 * 3059 * Note that there is also a SCF BUSY bit checking 3060 * in drmach_asm.s right before FMEM command is 3061 * issued. XSCF sets the SCF BUSY bit when the 3062 * other domain on the same PSB reboots and it 3063 * will not be able to service the FMEM command 3064 * within 15 sec. After setting the SCF BUSY 3065 * bit, XSCF will wait a while before servicing 3066 * other reboot command so there is no race 3067 * condition. 3068 */ 3069 3070 static int fmem_timeout = 17; 3071 3072 /* 3073 * The empirical data on some OPL system shows that 3074 * we can copy 250 MB per second. We set it to 3075 * 80 MB to be conservative. In normal case, 3076 * this timeout does not affect anything. 3077 */ 3078 3079 static int min_copy_size_per_sec = 80 * 1024 * 1024; 3080 3081 /* 3082 * This is the timeout value for the xcall synchronization 3083 * to get all the CPU ready to do the parallel copying. 3084 * Even on a fully loaded system, 10 sec. should be long 3085 * enough. 3086 */ 3087 3088 static int cpu_xcall_delay = 10; 3089 int drmach_disable_mcopy = 0; 3090 3091 /* 3092 * The following delay loop executes sleep instruction to yield the 3093 * CPU to other strands. If this is not done, some strand will tie 3094 * up the CPU in busy loops while the other strand cannot do useful 3095 * work. The copy procedure will take a much longer time without this. 3096 */ 3097 #define DR_DELAY_IL(ms, freq) \ 3098 { \ 3099 uint64_t start; \ 3100 uint64_t nstick; \ 3101 volatile uint64_t now; \ 3102 nstick = ((uint64_t)ms * freq)/1000; \ 3103 start = drmach_get_stick_il(); \ 3104 now = start; \ 3105 while ((now - start) <= nstick) { \ 3106 drmach_sleep_il(); \ 3107 now = drmach_get_stick_il(); \ 3108 } \ 3109 } 3110 3111 /* Each loop is 2ms, timeout at 1000ms */ 3112 static int drmach_copy_rename_timeout = 500; 3113 3114 static int 3115 drmach_copy_rename_prog__relocatable(drmach_copy_rename_program_t *prog, 3116 int cpuid) 3117 { 3118 struct memlist *ml; 3119 register int rtn; 3120 int i; 3121 register uint64_t curr, limit; 3122 extern uint64_t drmach_get_stick_il(); 3123 extern void membar_sync_il(); 3124 extern void flush_instr_mem_il(void*); 3125 extern void flush_windows_il(void); 3126 uint64_t copy_start; 3127 3128 /* 3129 * flush_windows is moved here to make sure all 3130 * registers used in the callers are flushed to 3131 * memory before the copy. 3132 * 3133 * If flush_windows() is called too early in the 3134 * calling function, the compiler might put some 3135 * data in the local registers after flush_windows(). 3136 * After FMA, if there is any fill trap, the registers 3137 * will contain stale data. 3138 */ 3139 3140 flush_windows_il(); 3141 3142 prog->critical->stat[cpuid] = FMEM_LOOP_COPY_READY; 3143 membar_sync_il(); 3144 3145 if (prog->data->cpuid == cpuid) { 3146 limit = drmach_get_stick_il(); 3147 limit += cpu_xcall_delay * system_clock_freq; 3148 for (i = 0; i < NCPU; i++) { 3149 if (CPU_IN_SET(prog->data->cpu_slave_set, i)) { 3150 /* wait for all CPU's to be ready */ 3151 for (;;) { 3152 if (prog->critical->stat[i] == 3153 FMEM_LOOP_COPY_READY) { 3154 break; 3155 } 3156 DR_DELAY_IL(1, prog->data->stick_freq); 3157 } 3158 curr = drmach_get_stick_il(); 3159 if (curr > limit) { 3160 prog->data->fmem_status.error = 3161 EOPL_FMEM_XC_TIMEOUT; 3162 return (EOPL_FMEM_XC_TIMEOUT); 3163 } 3164 } 3165 } 3166 prog->data->fmem_status.stat = FMEM_LOOP_COPY_READY; 3167 membar_sync_il(); 3168 copy_start = drmach_get_stick_il(); 3169 } else { 3170 for (;;) { 3171 if (prog->data->fmem_status.stat == 3172 FMEM_LOOP_COPY_READY) { 3173 break; 3174 } 3175 if (prog->data->fmem_status.error) { 3176 prog->data->error[cpuid] = EOPL_FMEM_TERMINATE; 3177 return (EOPL_FMEM_TERMINATE); 3178 } 3179 DR_DELAY_IL(1, prog->data->stick_freq); 3180 } 3181 } 3182 3183 /* 3184 * DO COPY. 3185 */ 3186 if (CPU_IN_SET(prog->data->cpu_copy_set, cpuid)) { 3187 for (ml = prog->data->cpu_ml[cpuid]; ml; ml = ml->next) { 3188 uint64_t s_pa, t_pa; 3189 uint64_t nbytes; 3190 3191 s_pa = prog->data->s_copybasepa + ml->address; 3192 t_pa = prog->data->t_copybasepa + ml->address; 3193 nbytes = ml->size; 3194 3195 while (nbytes != 0ull) { 3196 /* 3197 * If the master has detected error, we just 3198 * bail out 3199 */ 3200 if (prog->data->fmem_status.error != 3201 ESBD_NOERROR) { 3202 prog->data->error[cpuid] = 3203 EOPL_FMEM_TERMINATE; 3204 return (EOPL_FMEM_TERMINATE); 3205 } 3206 /* 3207 * This copy does NOT use an ASI 3208 * that avoids the Ecache, therefore 3209 * the dst_pa addresses may remain 3210 * in our Ecache after the dst_pa 3211 * has been removed from the system. 3212 * A subsequent write-back to memory 3213 * will cause an ARB-stop because the 3214 * physical address no longer exists 3215 * in the system. Therefore we must 3216 * flush out local Ecache after we 3217 * finish the copy. 3218 */ 3219 3220 /* copy 32 bytes at src_pa to dst_pa */ 3221 bcopy32_il(s_pa, t_pa); 3222 3223 /* 3224 * increment the counter to signal that we are 3225 * alive 3226 */ 3227 prog->stat->nbytes[cpuid] += 32; 3228 3229 /* increment by 32 bytes */ 3230 s_pa += (4 * sizeof (uint64_t)); 3231 t_pa += (4 * sizeof (uint64_t)); 3232 3233 /* decrement by 32 bytes */ 3234 nbytes -= (4 * sizeof (uint64_t)); 3235 } 3236 } 3237 prog->critical->stat[cpuid] = FMEM_LOOP_COPY_DONE; 3238 membar_sync_il(); 3239 } 3240 3241 /* 3242 * Since bcopy32_il() does NOT use an ASI to bypass 3243 * the Ecache, we need to flush our Ecache after 3244 * the copy is complete. 3245 */ 3246 flush_cache_il(); 3247 3248 /* 3249 * drmach_fmem_exec_script() 3250 */ 3251 if (prog->data->cpuid == cpuid) { 3252 uint64_t last, now; 3253 3254 limit = copy_start + prog->data->copy_delay; 3255 for (i = 0; i < NCPU; i++) { 3256 if (!CPU_IN_SET(prog->data->cpu_slave_set, i)) 3257 continue; 3258 3259 for (;;) { 3260 /* 3261 * we get FMEM_LOOP_FMEM_READY in 3262 * normal case 3263 */ 3264 if (prog->critical->stat[i] == 3265 FMEM_LOOP_FMEM_READY) { 3266 break; 3267 } 3268 /* got error traps */ 3269 if (prog->data->error[i] == 3270 EOPL_FMEM_COPY_ERROR) { 3271 prog->data->fmem_status.error = 3272 EOPL_FMEM_COPY_ERROR; 3273 return (EOPL_FMEM_COPY_ERROR); 3274 } 3275 /* 3276 * if we have not reached limit, wait 3277 * more 3278 */ 3279 curr = drmach_get_stick_il(); 3280 if (curr <= limit) 3281 continue; 3282 3283 prog->data->slowest_cpuid = i; 3284 prog->data->copy_wait_time = curr - copy_start; 3285 3286 /* now check if slave is alive */ 3287 last = prog->stat->nbytes[i]; 3288 3289 DR_DELAY_IL(1, prog->data->stick_freq); 3290 3291 now = prog->stat->nbytes[i]; 3292 if (now <= last) { 3293 /* 3294 * no progress, perhaps just 3295 * finished 3296 */ 3297 DR_DELAY_IL(1, prog->data->stick_freq); 3298 if (prog->critical->stat[i] == 3299 FMEM_LOOP_FMEM_READY) 3300 break; 3301 /* copy error */ 3302 if (prog->data->error[i] == 3303 EOPL_FMEM_COPY_ERROR) { 3304 prog->data-> fmem_status.error = 3305 EOPL_FMEM_COPY_ERROR; 3306 return (EOPL_FMEM_COPY_ERROR); 3307 } 3308 3309 prog->data->copy_rename_count++; 3310 if (prog->data->copy_rename_count 3311 < drmach_copy_rename_timeout) { 3312 continue; 3313 } else { 3314 prog->data->fmem_status.error = 3315 EOPL_FMEM_COPY_TIMEOUT; 3316 return (EOPL_FMEM_COPY_TIMEOUT); 3317 } 3318 } 3319 } 3320 } 3321 3322 prog->critical->stat[cpuid] = FMEM_LOOP_FMEM_READY; 3323 prog->data->fmem_status.stat = FMEM_LOOP_FMEM_READY; 3324 3325 membar_sync_il(); 3326 flush_instr_mem_il((void*) (prog->critical)); 3327 /* 3328 * drmach_fmem_exec_script() 3329 */ 3330 rtn = prog->critical->fmem((void *)prog->critical, PAGESIZE); 3331 return (rtn); 3332 } else { 3333 flush_instr_mem_il((void*) (prog->critical)); 3334 /* 3335 * drmach_fmem_loop_script() 3336 */ 3337 rtn = prog->critical->loop((void *)(prog->critical), PAGESIZE, 3338 (void *)&(prog->critical->stat[cpuid])); 3339 prog->data->error[cpuid] = rtn; 3340 /* slave thread does not care the rv */ 3341 return (0); 3342 } 3343 } 3344 3345 static void 3346 drmach_copy_rename_end(void) 3347 { 3348 /* 3349 * IMPORTANT: This function's location MUST be located immediately 3350 * following drmach_copy_rename_prog__relocatable to 3351 * accurately estimate its size. Note that this assumes 3352 * the compiler keeps these functions in the order in 3353 * which they appear :-o 3354 */ 3355 } 3356 3357 3358 static int 3359 drmach_setup_memlist(drmach_copy_rename_program_t *p) 3360 { 3361 struct memlist *ml; 3362 caddr_t buf; 3363 int nbytes, s, n_elements; 3364 3365 nbytes = PAGESIZE; 3366 n_elements = 0; 3367 s = roundup(sizeof (struct memlist), sizeof (void *)); 3368 p->free_mlist = NULL; 3369 buf = p->memlist_buffer; 3370 while (nbytes >= sizeof (struct memlist)) { 3371 ml = (struct memlist *)buf; 3372 ml->next = p->free_mlist; 3373 p->free_mlist = ml; 3374 buf += s; 3375 n_elements++; 3376 nbytes -= s; 3377 } 3378 return (n_elements); 3379 } 3380 3381 static void 3382 drmach_lock_critical(caddr_t va, caddr_t new_va) 3383 { 3384 tte_t tte; 3385 int i; 3386 3387 kpreempt_disable(); 3388 3389 for (i = 0; i < DRMACH_FMEM_LOCKED_PAGES; i++) { 3390 vtag_flushpage(new_va, (uint64_t)ksfmmup); 3391 sfmmu_memtte(&tte, va_to_pfn(va), PROC_DATA|HAT_NOSYNC, TTE8K); 3392 tte.tte_intlo |= TTE_LCK_INT; 3393 sfmmu_dtlb_ld_kva(new_va, &tte); 3394 sfmmu_itlb_ld_kva(new_va, &tte); 3395 va += PAGESIZE; 3396 new_va += PAGESIZE; 3397 } 3398 } 3399 3400 static void 3401 drmach_unlock_critical(caddr_t va) 3402 { 3403 int i; 3404 3405 for (i = 0; i < DRMACH_FMEM_LOCKED_PAGES; i++) { 3406 vtag_flushpage(va, (uint64_t)ksfmmup); 3407 va += PAGESIZE; 3408 } 3409 3410 kpreempt_enable(); 3411 } 3412 3413 sbd_error_t * 3414 drmach_copy_rename_init(drmachid_t t_id, drmachid_t s_id, 3415 struct memlist *c_ml, drmachid_t *pgm_id) 3416 { 3417 drmach_mem_t *s_mem; 3418 drmach_mem_t *t_mem; 3419 struct memlist *x_ml; 3420 uint64_t s_copybasepa, t_copybasepa; 3421 uint_t len; 3422 caddr_t bp, wp; 3423 int s_bd, t_bd, cpuid, active_cpus, i; 3424 int max_elms, mlist_size, rv; 3425 uint64_t c_addr; 3426 size_t c_size, copy_sz, sz; 3427 extern void drmach_fmem_loop_script(); 3428 extern void drmach_fmem_loop_script_rtn(); 3429 extern int drmach_fmem_exec_script(); 3430 extern void drmach_fmem_exec_script_end(); 3431 sbd_error_t *err; 3432 drmach_copy_rename_program_t *prog = NULL; 3433 drmach_copy_rename_program_t *prog_kmem = NULL; 3434 void (*mc_suspend)(void); 3435 void (*mc_resume)(void); 3436 int (*scf_fmem_start)(int, int); 3437 int (*scf_fmem_end)(void); 3438 int (*scf_fmem_cancel)(void); 3439 uint64_t (*scf_get_base_addr)(void); 3440 3441 if (!DRMACH_IS_MEM_ID(s_id)) 3442 return (drerr_new(0, EOPL_INAPPROP, NULL)); 3443 if (!DRMACH_IS_MEM_ID(t_id)) 3444 return (drerr_new(0, EOPL_INAPPROP, NULL)); 3445 3446 for (i = 0; i < NCPU; i++) { 3447 int lsb_id, onb_core_num, strand_id; 3448 drmach_board_t *bp; 3449 3450 /* 3451 * this kind of CPU will spin in cache 3452 */ 3453 if (CPU_IN_SET(cpu_ready_set, i)) 3454 continue; 3455 3456 /* 3457 * Now check for any inactive CPU's that 3458 * have been hotadded. This can only occur in 3459 * error condition in drmach_cpu_poweron(). 3460 */ 3461 lsb_id = LSB_ID(i); 3462 onb_core_num = ON_BOARD_CORE_NUM(i); 3463 strand_id = STRAND_ID(i); 3464 bp = drmach_get_board_by_bnum(lsb_id); 3465 if (bp == NULL) 3466 continue; 3467 if (bp->cores[onb_core_num].core_hotadded & 3468 (1 << strand_id)) { 3469 if (!(bp->cores[onb_core_num].core_started & 3470 (1 << strand_id))) { 3471 return (drerr_new(1, EOPL_CPU_STATE, NULL)); 3472 } 3473 } 3474 } 3475 3476 mc_suspend = (void (*)(void)) 3477 modgetsymvalue("opl_mc_suspend", 0); 3478 mc_resume = (void (*)(void)) 3479 modgetsymvalue("opl_mc_resume", 0); 3480 3481 if (mc_suspend == NULL || mc_resume == NULL) { 3482 return (drerr_new(1, EOPL_MC_OPL, NULL)); 3483 } 3484 3485 scf_fmem_start = (int (*)(int, int)) 3486 modgetsymvalue("scf_fmem_start", 0); 3487 if (scf_fmem_start == NULL) { 3488 return (drerr_new(1, EOPL_SCF_FMEM, NULL)); 3489 } 3490 scf_fmem_end = (int (*)(void)) 3491 modgetsymvalue("scf_fmem_end", 0); 3492 if (scf_fmem_end == NULL) { 3493 return (drerr_new(1, EOPL_SCF_FMEM, NULL)); 3494 } 3495 scf_fmem_cancel = (int (*)(void)) 3496 modgetsymvalue("scf_fmem_cancel", 0); 3497 if (scf_fmem_cancel == NULL) { 3498 return (drerr_new(1, EOPL_SCF_FMEM, NULL)); 3499 } 3500 scf_get_base_addr = (uint64_t (*)(void)) 3501 modgetsymvalue("scf_get_base_addr", 0); 3502 if (scf_get_base_addr == NULL) { 3503 return (drerr_new(1, EOPL_SCF_FMEM, NULL)); 3504 } 3505 s_mem = s_id; 3506 t_mem = t_id; 3507 3508 s_bd = s_mem->dev.bp->bnum; 3509 t_bd = t_mem->dev.bp->bnum; 3510 3511 /* calculate source and target base pa */ 3512 3513 s_copybasepa = s_mem->slice_base; 3514 t_copybasepa = t_mem->slice_base; 3515 3516 /* adjust copy memlist addresses to be relative to copy base pa */ 3517 x_ml = c_ml; 3518 mlist_size = 0; 3519 while (x_ml != NULL) { 3520 x_ml->address -= s_copybasepa; 3521 x_ml = x_ml->next; 3522 mlist_size++; 3523 } 3524 3525 /* 3526 * bp will be page aligned, since we're calling 3527 * kmem_zalloc() with an exact multiple of PAGESIZE. 3528 */ 3529 3530 prog_kmem = (drmach_copy_rename_program_t *)kmem_zalloc( 3531 DRMACH_FMEM_LOCKED_PAGES * PAGESIZE, KM_SLEEP); 3532 3533 prog_kmem->prog = prog_kmem; 3534 3535 /* 3536 * To avoid MTLB hit, we allocate a new VM space and remap 3537 * the kmem_alloc buffer to that address. This solves 3538 * 2 problems we found: 3539 * - the kmem_alloc buffer can be just a chunk inside 3540 * a much larger, e.g. 4MB buffer and MTLB will occur 3541 * if there are both a 4MB and a 8K TLB mapping to 3542 * the same VA range. 3543 * - the kmem mapping got dropped into the TLB by other 3544 * strands, unintentionally. 3545 * Note that the pointers like data, critical, memlist_buffer, 3546 * and stat inside the copy rename structure are mapped to this 3547 * alternate VM space so we must make sure we lock the TLB mapping 3548 * whenever we access data pointed to by these pointers. 3549 */ 3550 3551 prog = prog_kmem->locked_prog = vmem_alloc(heap_arena, 3552 DRMACH_FMEM_LOCKED_PAGES * PAGESIZE, VM_SLEEP); 3553 wp = bp = (caddr_t)prog; 3554 3555 /* Now remap prog_kmem to prog */ 3556 drmach_lock_critical((caddr_t)prog_kmem, (caddr_t)prog); 3557 3558 /* All pointers in prog are based on the alternate mapping */ 3559 prog->data = (drmach_copy_rename_data_t *)roundup(((uint64_t)prog + 3560 sizeof (drmach_copy_rename_program_t)), sizeof (void *)); 3561 3562 ASSERT(((uint64_t)prog->data + sizeof (drmach_copy_rename_data_t)) 3563 <= ((uint64_t)prog + PAGESIZE)); 3564 3565 prog->critical = (drmach_copy_rename_critical_t *) 3566 (wp + DRMACH_FMEM_CRITICAL_PAGE * PAGESIZE); 3567 3568 prog->memlist_buffer = (caddr_t)(wp + DRMACH_FMEM_MLIST_PAGE * 3569 PAGESIZE); 3570 3571 prog->stat = (drmach_cr_stat_t *)(wp + DRMACH_FMEM_STAT_PAGE * 3572 PAGESIZE); 3573 3574 /* LINTED */ 3575 ASSERT(sizeof (drmach_cr_stat_t) <= ((DRMACH_FMEM_LOCKED_PAGES - 3576 DRMACH_FMEM_STAT_PAGE) * PAGESIZE)); 3577 3578 prog->critical->scf_reg_base = (uint64_t)-1; 3579 prog->critical->scf_td[0] = (s_bd & 0xff); 3580 prog->critical->scf_td[1] = (t_bd & 0xff); 3581 for (i = 2; i < 15; i++) { 3582 prog->critical->scf_td[i] = 0; 3583 } 3584 prog->critical->scf_td[15] = ((0xaa + s_bd + t_bd) & 0xff); 3585 3586 bp = (caddr_t)prog->critical; 3587 len = sizeof (drmach_copy_rename_critical_t); 3588 wp = (caddr_t)roundup((uint64_t)bp + len, sizeof (void *)); 3589 3590 len = (uint_t)((ulong_t)drmach_copy_rename_end - 3591 (ulong_t)drmach_copy_rename_prog__relocatable); 3592 3593 /* 3594 * We always leave 1K nop's to prevent the processor from 3595 * speculative execution that causes memory access 3596 */ 3597 wp = wp + len + 1024; 3598 3599 len = (uint_t)((ulong_t)drmach_fmem_exec_script_end - 3600 (ulong_t)drmach_fmem_exec_script); 3601 /* this is the entry point of the loop script */ 3602 wp = wp + len + 1024; 3603 3604 len = (uint_t)((ulong_t)drmach_fmem_exec_script - 3605 (ulong_t)drmach_fmem_loop_script); 3606 wp = wp + len + 1024; 3607 3608 /* now we make sure there is 1K extra */ 3609 3610 if ((wp - bp) > PAGESIZE) { 3611 err = drerr_new(1, EOPL_FMEM_SETUP, NULL); 3612 goto out; 3613 } 3614 3615 bp = (caddr_t)prog->critical; 3616 len = sizeof (drmach_copy_rename_critical_t); 3617 wp = (caddr_t)roundup((uint64_t)bp + len, sizeof (void *)); 3618 3619 prog->critical->run = (int (*)())(wp); 3620 len = (uint_t)((ulong_t)drmach_copy_rename_end - 3621 (ulong_t)drmach_copy_rename_prog__relocatable); 3622 3623 bcopy((caddr_t)drmach_copy_rename_prog__relocatable, wp, len); 3624 3625 wp = (caddr_t)roundup((uint64_t)wp + len, 1024); 3626 3627 prog->critical->fmem = (int (*)())(wp); 3628 len = (int)((ulong_t)drmach_fmem_exec_script_end - 3629 (ulong_t)drmach_fmem_exec_script); 3630 bcopy((caddr_t)drmach_fmem_exec_script, wp, len); 3631 3632 len = (int)((ulong_t)drmach_fmem_exec_script_end - 3633 (ulong_t)drmach_fmem_exec_script); 3634 wp = (caddr_t)roundup((uint64_t)wp + len, 1024); 3635 3636 prog->critical->loop = (int (*)())(wp); 3637 len = (int)((ulong_t)drmach_fmem_exec_script - 3638 (ulong_t)drmach_fmem_loop_script); 3639 bcopy((caddr_t)drmach_fmem_loop_script, (void *)wp, len); 3640 len = (int)((ulong_t)drmach_fmem_loop_script_rtn- 3641 (ulong_t)drmach_fmem_loop_script); 3642 prog->critical->loop_rtn = (void (*)()) (wp+len); 3643 3644 prog->data->fmem_status.error = ESBD_NOERROR; 3645 3646 /* now we are committed, call SCF, soft suspend mac patrol */ 3647 if ((*scf_fmem_start)(s_bd, t_bd)) { 3648 err = drerr_new(1, EOPL_SCF_FMEM_START, NULL); 3649 goto out; 3650 } 3651 prog->data->scf_fmem_end = scf_fmem_end; 3652 prog->data->scf_fmem_cancel = scf_fmem_cancel; 3653 prog->data->scf_get_base_addr = scf_get_base_addr; 3654 prog->data->fmem_status.op |= OPL_FMEM_SCF_START; 3655 3656 /* soft suspend mac patrol */ 3657 (*mc_suspend)(); 3658 prog->data->fmem_status.op |= OPL_FMEM_MC_SUSPEND; 3659 prog->data->mc_resume = mc_resume; 3660 3661 prog->critical->inst_loop_ret = 3662 *(uint64_t *)(prog->critical->loop_rtn); 3663 3664 /* 3665 * 0x30800000 is op code "ba,a +0" 3666 */ 3667 3668 *(uint_t *)(prog->critical->loop_rtn) = (uint_t)(0x30800000); 3669 3670 /* 3671 * set the value of SCF FMEM TIMEOUT 3672 */ 3673 prog->critical->delay = fmem_timeout * system_clock_freq; 3674 3675 prog->data->s_mem = (drmachid_t)s_mem; 3676 prog->data->t_mem = (drmachid_t)t_mem; 3677 3678 cpuid = CPU->cpu_id; 3679 prog->data->cpuid = cpuid; 3680 prog->data->cpu_ready_set = cpu_ready_set; 3681 prog->data->cpu_slave_set = cpu_ready_set; 3682 prog->data->slowest_cpuid = (processorid_t)-1; 3683 prog->data->copy_wait_time = 0; 3684 prog->data->copy_rename_count = 0; 3685 CPUSET_DEL(prog->data->cpu_slave_set, cpuid); 3686 3687 for (i = 0; i < NCPU; i++) { 3688 prog->data->cpu_ml[i] = NULL; 3689 } 3690 3691 /* 3692 * max_elms - max number of memlist structures that 3693 * may be allocated for the CPU memory list. 3694 * If there are too many memory span (because 3695 * of fragmentation) than number of memlist 3696 * available, we should return error. 3697 */ 3698 max_elms = drmach_setup_memlist(prog); 3699 if (max_elms < mlist_size) { 3700 err = drerr_new(1, EOPL_FMEM_SETUP, NULL); 3701 goto err_out; 3702 } 3703 3704 active_cpus = 0; 3705 if (drmach_disable_mcopy) { 3706 active_cpus = 1; 3707 CPUSET_ADD(prog->data->cpu_copy_set, cpuid); 3708 } else { 3709 int max_cpu_num; 3710 /* 3711 * The parallel copy procedure is going to split some 3712 * of the elements of the original memory copy list. 3713 * The number of added elements can be up to 3714 * (max_cpu_num - 1). It means that max_cpu_num 3715 * should satisfy the following condition: 3716 * (max_cpu_num - 1) + mlist_size <= max_elms. 3717 */ 3718 max_cpu_num = max_elms - mlist_size + 1; 3719 3720 for (i = 0; i < NCPU; i++) { 3721 if (CPU_IN_SET(cpu_ready_set, i) && 3722 CPU_ACTIVE(cpu[i])) { 3723 /* 3724 * To reduce the level-2 cache contention only 3725 * one strand per core will participate 3726 * in the copy. If the strand with even cpu_id 3727 * number is present in the ready set, we will 3728 * include this strand in the copy set. If it 3729 * is not present in the ready set, we check for 3730 * the strand with the consecutive odd cpu_id 3731 * and include it, provided that it is 3732 * present in the ready set. 3733 */ 3734 if (!(i & 0x1) || 3735 !CPU_IN_SET(prog->data->cpu_copy_set, 3736 i - 1)) { 3737 CPUSET_ADD(prog->data->cpu_copy_set, i); 3738 active_cpus++; 3739 /* 3740 * We cannot have more than 3741 * max_cpu_num CPUs in the copy 3742 * set, because each CPU has to 3743 * have at least one element 3744 * long memory copy list. 3745 */ 3746 if (active_cpus >= max_cpu_num) 3747 break; 3748 3749 } 3750 } 3751 } 3752 } 3753 3754 x_ml = c_ml; 3755 sz = 0; 3756 while (x_ml != NULL) { 3757 sz += x_ml->size; 3758 x_ml = x_ml->next; 3759 } 3760 3761 copy_sz = sz/active_cpus; 3762 copy_sz = roundup(copy_sz, MMU_PAGESIZE4M); 3763 3764 while (sz > copy_sz*active_cpus) { 3765 copy_sz += MMU_PAGESIZE4M; 3766 } 3767 3768 prog->data->stick_freq = system_clock_freq; 3769 prog->data->copy_delay = ((copy_sz / min_copy_size_per_sec) + 2) * 3770 system_clock_freq; 3771 3772 x_ml = c_ml; 3773 c_addr = x_ml->address; 3774 c_size = x_ml->size; 3775 3776 for (i = 0; i < NCPU; i++) { 3777 prog->stat->nbytes[i] = 0; 3778 if (!CPU_IN_SET(prog->data->cpu_copy_set, i)) { 3779 continue; 3780 } 3781 sz = copy_sz; 3782 3783 while (sz) { 3784 if (c_size > sz) { 3785 if ((prog->data->cpu_ml[i] = 3786 drmach_memlist_add_span(prog, 3787 prog->data->cpu_ml[i], 3788 c_addr, sz)) == NULL) { 3789 cmn_err(CE_WARN, 3790 "Unexpected drmach_memlist_add_span" 3791 " failure."); 3792 err = drerr_new(1, EOPL_FMEM_SETUP, 3793 NULL); 3794 mc_resume(); 3795 goto out; 3796 } 3797 c_addr += sz; 3798 c_size -= sz; 3799 break; 3800 } else { 3801 sz -= c_size; 3802 if ((prog->data->cpu_ml[i] = 3803 drmach_memlist_add_span(prog, 3804 prog->data->cpu_ml[i], 3805 c_addr, c_size)) == NULL) { 3806 cmn_err(CE_WARN, 3807 "Unexpected drmach_memlist_add_span" 3808 " failure."); 3809 err = drerr_new(1, EOPL_FMEM_SETUP, 3810 NULL); 3811 mc_resume(); 3812 goto out; 3813 } 3814 3815 x_ml = x_ml->next; 3816 if (x_ml != NULL) { 3817 c_addr = x_ml->address; 3818 c_size = x_ml->size; 3819 } else { 3820 goto end; 3821 } 3822 } 3823 } 3824 } 3825 end: 3826 prog->data->s_copybasepa = s_copybasepa; 3827 prog->data->t_copybasepa = t_copybasepa; 3828 prog->data->c_ml = c_ml; 3829 *pgm_id = prog_kmem; 3830 3831 /* Unmap the alternate space. It will have to be remapped again */ 3832 drmach_unlock_critical((caddr_t)prog); 3833 return (NULL); 3834 3835 err_out: 3836 mc_resume(); 3837 rv = (*prog->data->scf_fmem_cancel)(); 3838 if (rv) { 3839 cmn_err(CE_WARN, "scf_fmem_cancel() failed rv=0x%x", rv); 3840 } 3841 out: 3842 if (prog != NULL) { 3843 drmach_unlock_critical((caddr_t)prog); 3844 vmem_free(heap_arena, prog, DRMACH_FMEM_LOCKED_PAGES * 3845 PAGESIZE); 3846 } 3847 if (prog_kmem != NULL) { 3848 kmem_free(prog_kmem, DRMACH_FMEM_LOCKED_PAGES * PAGESIZE); 3849 } 3850 return (err); 3851 } 3852 3853 sbd_error_t * 3854 drmach_copy_rename_fini(drmachid_t id) 3855 { 3856 drmach_copy_rename_program_t *prog = id; 3857 sbd_error_t *err = NULL; 3858 int rv; 3859 uint_t fmem_error; 3860 3861 /* 3862 * Note that we have to delay calling SCF to find out the 3863 * status of the FMEM operation here because SCF cannot 3864 * respond while it is suspended. 3865 * This create a small window when we are sure about the 3866 * base address of the system board. 3867 * If there is any call to mc-opl to get memory unum, 3868 * mc-opl will return UNKNOWN as the unum. 3869 */ 3870 3871 /* 3872 * we have to remap again because all the pointer like data, 3873 * critical in prog are based on the alternate vmem space. 3874 */ 3875 (void) drmach_lock_critical((caddr_t)prog, (caddr_t)prog->locked_prog); 3876 3877 if (prog->data->c_ml != NULL) 3878 memlist_delete(prog->data->c_ml); 3879 3880 if ((prog->data->fmem_status.op & 3881 (OPL_FMEM_SCF_START | OPL_FMEM_MC_SUSPEND)) != 3882 (OPL_FMEM_SCF_START | OPL_FMEM_MC_SUSPEND)) { 3883 cmn_err(CE_PANIC, "drmach_copy_rename_fini: invalid op " 3884 "code %x\n", prog->data->fmem_status.op); 3885 } 3886 3887 fmem_error = prog->data->fmem_status.error; 3888 if (fmem_error != ESBD_NOERROR) { 3889 err = drerr_new(1, fmem_error, NULL); 3890 } 3891 3892 /* possible ops are SCF_START, MC_SUSPEND */ 3893 if (prog->critical->fmem_issued) { 3894 if (fmem_error != ESBD_NOERROR) { 3895 cmn_err(CE_PANIC, "Irrecoverable FMEM error %d\n", 3896 fmem_error); 3897 } 3898 rv = (*prog->data->scf_fmem_end)(); 3899 if (rv) { 3900 cmn_err(CE_PANIC, "scf_fmem_end() failed rv=%d", rv); 3901 } 3902 /* 3903 * If we get here, rename is successful. 3904 * Do all the copy rename post processing. 3905 */ 3906 drmach_swap_pa((drmach_mem_t *)prog->data->s_mem, 3907 (drmach_mem_t *)prog->data->t_mem); 3908 } else { 3909 rv = (*prog->data->scf_fmem_cancel)(); 3910 if (rv) { 3911 cmn_err(CE_WARN, "scf_fmem_cancel() failed rv=0x%x", 3912 rv); 3913 if (!err) { 3914 err = drerr_new(1, EOPL_SCF_FMEM_CANCEL, 3915 "scf_fmem_cancel() failed. rv = 0x%x", rv); 3916 } 3917 } 3918 } 3919 /* soft resume mac patrol */ 3920 (*prog->data->mc_resume)(); 3921 3922 drmach_unlock_critical((caddr_t)prog->locked_prog); 3923 3924 vmem_free(heap_arena, prog->locked_prog, 3925 DRMACH_FMEM_LOCKED_PAGES * PAGESIZE); 3926 kmem_free(prog, DRMACH_FMEM_LOCKED_PAGES * PAGESIZE); 3927 return (err); 3928 } 3929 3930 /*ARGSUSED*/ 3931 static void 3932 drmach_copy_rename_slave(struct regs *rp, drmachid_t id) 3933 { 3934 drmach_copy_rename_program_t *prog = 3935 (drmach_copy_rename_program_t *)id; 3936 register int cpuid; 3937 extern void drmach_flush(); 3938 extern void membar_sync_il(); 3939 extern void drmach_flush_icache(); 3940 on_trap_data_t otd; 3941 3942 cpuid = CPU->cpu_id; 3943 3944 if (on_trap(&otd, OT_DATA_EC)) { 3945 no_trap(); 3946 prog->data->error[cpuid] = EOPL_FMEM_COPY_ERROR; 3947 prog->critical->stat[cpuid] = FMEM_LOOP_EXIT; 3948 drmach_flush_icache(); 3949 membar_sync_il(); 3950 return; 3951 } 3952 3953 3954 /* 3955 * jmp drmach_copy_rename_prog(). 3956 */ 3957 3958 drmach_flush(prog->critical, PAGESIZE); 3959 (void) prog->critical->run(prog, cpuid); 3960 drmach_flush_icache(); 3961 3962 no_trap(); 3963 3964 prog->critical->stat[cpuid] = FMEM_LOOP_EXIT; 3965 3966 membar_sync_il(); 3967 } 3968 3969 static void 3970 drmach_swap_pa(drmach_mem_t *s_mem, drmach_mem_t *t_mem) 3971 { 3972 uint64_t s_base, t_base; 3973 drmach_board_t *s_board, *t_board; 3974 struct memlist *ml; 3975 3976 s_board = s_mem->dev.bp; 3977 t_board = t_mem->dev.bp; 3978 if (s_board == NULL || t_board == NULL) { 3979 cmn_err(CE_PANIC, "Cannot locate source or target board\n"); 3980 return; 3981 } 3982 s_base = s_mem->slice_base; 3983 t_base = t_mem->slice_base; 3984 3985 s_mem->slice_base = t_base; 3986 s_mem->base_pa = (s_mem->base_pa - s_base) + t_base; 3987 3988 for (ml = s_mem->memlist; ml; ml = ml->next) { 3989 ml->address = ml->address - s_base + t_base; 3990 } 3991 3992 t_mem->slice_base = s_base; 3993 t_mem->base_pa = (t_mem->base_pa - t_base) + s_base; 3994 3995 for (ml = t_mem->memlist; ml; ml = ml->next) { 3996 ml->address = ml->address - t_base + s_base; 3997 } 3998 3999 /* 4000 * IKP has to update the sb-mem-ranges for mac patrol driver 4001 * when it resumes, it will re-read the sb-mem-range property 4002 * to get the new base address 4003 */ 4004 if (oplcfg_pa_swap(s_board->bnum, t_board->bnum) != 0) 4005 cmn_err(CE_PANIC, "Could not update device nodes\n"); 4006 } 4007 4008 void 4009 drmach_copy_rename(drmachid_t id) 4010 { 4011 drmach_copy_rename_program_t *prog_kmem = id; 4012 drmach_copy_rename_program_t *prog; 4013 cpuset_t cpuset; 4014 int cpuid; 4015 uint64_t inst; 4016 register int rtn; 4017 extern int in_sync; 4018 int old_in_sync; 4019 extern void drmach_sys_trap(); 4020 extern void drmach_flush(); 4021 extern void drmach_flush_icache(); 4022 extern uint64_t patch_inst(uint64_t *, uint64_t); 4023 on_trap_data_t otd; 4024 4025 4026 prog = prog_kmem->locked_prog; 4027 4028 4029 /* 4030 * We must immediately drop in the TLB because all pointers 4031 * are based on the alternate vmem space. 4032 */ 4033 4034 (void) drmach_lock_critical((caddr_t)prog_kmem, (caddr_t)prog); 4035 4036 /* 4037 * we call scf to get the base address here becuase if scf 4038 * has not been suspended yet, the active path can be changing and 4039 * sometimes it is not even mapped. We call the interface when 4040 * the OS has been quiesced. 4041 */ 4042 prog->critical->scf_reg_base = (*prog->data->scf_get_base_addr)(); 4043 4044 if (prog->critical->scf_reg_base == (uint64_t)-1 || 4045 prog->critical->scf_reg_base == NULL) { 4046 prog->data->fmem_status.error = EOPL_FMEM_SCF_ERR; 4047 drmach_unlock_critical((caddr_t)prog); 4048 return; 4049 } 4050 4051 cpuset = prog->data->cpu_ready_set; 4052 4053 for (cpuid = 0; cpuid < NCPU; cpuid++) { 4054 if (CPU_IN_SET(cpuset, cpuid)) { 4055 prog->critical->stat[cpuid] = FMEM_LOOP_START; 4056 prog->data->error[cpuid] = ESBD_NOERROR; 4057 } 4058 } 4059 4060 old_in_sync = in_sync; 4061 in_sync = 1; 4062 cpuid = CPU->cpu_id; 4063 4064 CPUSET_DEL(cpuset, cpuid); 4065 4066 for (cpuid = 0; cpuid < NCPU; cpuid++) { 4067 if (CPU_IN_SET(cpuset, cpuid)) { 4068 xc_one(cpuid, (xcfunc_t *)drmach_lock_critical, 4069 (uint64_t)prog_kmem, (uint64_t)prog); 4070 } 4071 } 4072 4073 cpuid = CPU->cpu_id; 4074 4075 xt_some(cpuset, (xcfunc_t *)drmach_sys_trap, 4076 (uint64_t)drmach_copy_rename_slave, (uint64_t)prog); 4077 xt_sync(cpuset); 4078 4079 if (on_trap(&otd, OT_DATA_EC)) { 4080 rtn = EOPL_FMEM_COPY_ERROR; 4081 drmach_flush_icache(); 4082 goto done; 4083 } 4084 4085 /* 4086 * jmp drmach_copy_rename_prog(). 4087 */ 4088 4089 drmach_flush(prog->critical, PAGESIZE); 4090 rtn = prog->critical->run(prog, cpuid); 4091 4092 drmach_flush_icache(); 4093 4094 4095 done: 4096 no_trap(); 4097 if (rtn == EOPL_FMEM_HW_ERROR) { 4098 kpreempt_enable(); 4099 prom_panic("URGENT_ERROR_TRAP is detected during FMEM.\n"); 4100 } 4101 4102 /* 4103 * In normal case, all slave CPU's are still spinning in 4104 * the assembly code. The master has to patch the instruction 4105 * to get them out. 4106 * In error case, e.g. COPY_ERROR, some slave CPU's might 4107 * have aborted and already returned and sset LOOP_EXIT status. 4108 * Some CPU might still be copying. 4109 * In any case, some delay is necessary to give them 4110 * enough time to set the LOOP_EXIT status. 4111 */ 4112 4113 for (;;) { 4114 inst = patch_inst((uint64_t *)prog->critical->loop_rtn, 4115 prog->critical->inst_loop_ret); 4116 if (prog->critical->inst_loop_ret == inst) { 4117 break; 4118 } 4119 } 4120 4121 for (cpuid = 0; cpuid < NCPU; cpuid++) { 4122 uint64_t last, now; 4123 if (!CPU_IN_SET(cpuset, cpuid)) { 4124 continue; 4125 } 4126 last = prog->stat->nbytes[cpuid]; 4127 /* 4128 * Wait for all CPU to exit. 4129 * However we do not want an infinite loop 4130 * so we detect hangup situation here. 4131 * If the slave CPU is still copying data, 4132 * we will continue to wait. 4133 * In error cases, the master has already set 4134 * fmem_status.error to abort the copying. 4135 * 1 m.s delay for them to abort copying and 4136 * return to drmach_copy_rename_slave to set 4137 * FMEM_LOOP_EXIT status should be enough. 4138 */ 4139 for (;;) { 4140 if (prog->critical->stat[cpuid] == FMEM_LOOP_EXIT) 4141 break; 4142 drmach_sleep_il(); 4143 drv_usecwait(1000); 4144 now = prog->stat->nbytes[cpuid]; 4145 if (now <= last) { 4146 drv_usecwait(1000); 4147 if (prog->critical->stat[cpuid] == 4148 FMEM_LOOP_EXIT) 4149 break; 4150 cmn_err(CE_PANIC, "CPU %d hang during Copy " 4151 "Rename", cpuid); 4152 } 4153 last = now; 4154 } 4155 if (prog->data->error[cpuid] == EOPL_FMEM_HW_ERROR) { 4156 prom_panic("URGENT_ERROR_TRAP is detected during " 4157 "FMEM.\n"); 4158 } 4159 } 4160 4161 /* 4162 * This must be done after all strands have exit. 4163 * Removing the TLB entry will affect both strands 4164 * in the same core. 4165 */ 4166 4167 for (cpuid = 0; cpuid < NCPU; cpuid++) { 4168 if (CPU_IN_SET(cpuset, cpuid)) { 4169 xc_one(cpuid, (xcfunc_t *)drmach_unlock_critical, 4170 (uint64_t)prog, 0); 4171 } 4172 } 4173 4174 in_sync = old_in_sync; 4175 4176 /* 4177 * we should unlock before the following lock to keep the kpreempt 4178 * count correct. 4179 */ 4180 (void) drmach_unlock_critical((caddr_t)prog); 4181 4182 /* 4183 * we must remap again. TLB might have been removed in above xcall. 4184 */ 4185 4186 (void) drmach_lock_critical((caddr_t)prog_kmem, (caddr_t)prog); 4187 4188 if (prog->data->fmem_status.error == ESBD_NOERROR) 4189 prog->data->fmem_status.error = rtn; 4190 4191 if (prog->data->copy_wait_time > 0) { 4192 DRMACH_PR("Unexpected long wait time %ld seconds " 4193 "during copy rename on CPU %d\n", 4194 prog->data->copy_wait_time/prog->data->stick_freq, 4195 prog->data->slowest_cpuid); 4196 } 4197 drmach_unlock_critical((caddr_t)prog); 4198 } 4199