ips.c revision 1.2
1 /* $NetBSD: ips.c,v 1.2 2019/11/10 21:16:36 chs Exp $ */ 2 /* $OpenBSD: ips.c,v 1.113 2016/08/14 04:08:03 dlg Exp $ */ 3 4 /*- 5 * Copyright (c) 2017 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 /* 31 * Copyright (c) 2006, 2007, 2009 Alexander Yurchenko <grange (at) openbsd.org> 32 * 33 * Permission to use, copy, modify, and distribute this software for any 34 * purpose with or without fee is hereby granted, provided that the above 35 * copyright notice and this permission notice appear in all copies. 36 * 37 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 38 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 39 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 40 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 41 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 42 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 43 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 44 */ 45 46 /* 47 * IBM (Adaptec) ServeRAID controllers driver. 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: ips.c,v 1.2 2019/11/10 21:16:36 chs Exp $"); 52 53 #include "bio.h" 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/device.h> 58 #include <sys/kernel.h> 59 #include <sys/queue.h> 60 #include <sys/buf.h> 61 #include <sys/endian.h> 62 #include <sys/conf.h> 63 #include <sys/malloc.h> 64 #include <sys/ioctl.h> 65 #include <sys/kthread.h> 66 67 #include <sys/bus.h> 68 #include <sys/intr.h> 69 70 #include <dev/scsipi/scsi_all.h> 71 #include <dev/scsipi/scsipi_all.h> 72 #include <dev/scsipi/scsi_disk.h> 73 #include <dev/scsipi/scsipi_disk.h> 74 #include <dev/scsipi/scsiconf.h> 75 76 #include <dev/biovar.h> 77 #include <dev/sysmon/sysmonvar.h> 78 #include <sys/envsys.h> 79 80 #include <dev/pci/pcireg.h> 81 #include <dev/pci/pcivar.h> 82 #include <dev/pci/pcidevs.h> 83 84 /* Debug levels */ 85 #define IPS_D_ERR 0x0001 /* errors */ 86 #define IPS_D_INFO 0x0002 /* information */ 87 #define IPS_D_XFER 0x0004 /* transfers */ 88 89 #ifdef IPS_DEBUG 90 #define DPRINTF(a, b) do { if (ips_debug & (a)) printf b; } while (0) 91 int ips_debug = IPS_D_ERR; 92 #else 93 #define DPRINTF(a, b) 94 #endif 95 96 #define IPS_MAXDRIVES 8 97 #define IPS_MAXCHANS 4 98 #define IPS_MAXTARGETS 16 99 #define IPS_MAXCHUNKS 16 100 #define IPS_MAXCMDS 128 101 102 #define IPS_MAXFER (64 * 1024) 103 #define IPS_MAXSGS 16 104 #define IPS_MAXCDB 12 105 106 #define IPS_SECSZ 512 107 #define IPS_NVRAMPGSZ 128 108 #define IPS_SQSZ (IPS_MAXCMDS * sizeof(u_int32_t)) 109 110 #define IPS_TIMEOUT 60000 /* ms */ 111 112 /* Command codes */ 113 #define IPS_CMD_READ 0x02 114 #define IPS_CMD_WRITE 0x03 115 #define IPS_CMD_DCDB 0x04 116 #define IPS_CMD_GETADAPTERINFO 0x05 117 #define IPS_CMD_FLUSH 0x0a 118 #define IPS_CMD_REBUILDSTATUS 0x0c 119 #define IPS_CMD_SETSTATE 0x10 120 #define IPS_CMD_REBUILD 0x16 121 #define IPS_CMD_ERRORTABLE 0x17 122 #define IPS_CMD_GETDRIVEINFO 0x19 123 #define IPS_CMD_RESETCHAN 0x1a 124 #define IPS_CMD_DOWNLOAD 0x20 125 #define IPS_CMD_RWBIOSFW 0x22 126 #define IPS_CMD_READCONF 0x38 127 #define IPS_CMD_GETSUBSYS 0x40 128 #define IPS_CMD_CONFIGSYNC 0x58 129 #define IPS_CMD_READ_SG 0x82 130 #define IPS_CMD_WRITE_SG 0x83 131 #define IPS_CMD_DCDB_SG 0x84 132 #define IPS_CMD_EDCDB 0x95 133 #define IPS_CMD_EDCDB_SG 0x96 134 #define IPS_CMD_RWNVRAMPAGE 0xbc 135 #define IPS_CMD_GETVERINFO 0xc6 136 #define IPS_CMD_FFDC 0xd7 137 #define IPS_CMD_SG 0x80 138 #define IPS_CMD_RWNVRAM 0xbc 139 140 /* DCDB attributes */ 141 #define IPS_DCDB_DATAIN 0x01 /* data input */ 142 #define IPS_DCDB_DATAOUT 0x02 /* data output */ 143 #define IPS_DCDB_XFER64K 0x08 /* 64K transfer */ 144 #define IPS_DCDB_TIMO10 0x10 /* 10 secs timeout */ 145 #define IPS_DCDB_TIMO60 0x20 /* 60 secs timeout */ 146 #define IPS_DCDB_TIMO20M 0x30 /* 20 mins timeout */ 147 #define IPS_DCDB_NOAUTOREQSEN 0x40 /* no auto request sense */ 148 #define IPS_DCDB_DISCON 0x80 /* disconnect allowed */ 149 150 /* Register definitions */ 151 #define IPS_REG_HIS 0x08 /* host interrupt status */ 152 #define IPS_REG_HIS_SCE 0x01 /* status channel enqueue */ 153 #define IPS_REG_HIS_EN 0x80 /* enable interrupts */ 154 #define IPS_REG_CCSA 0x10 /* command channel system address */ 155 #define IPS_REG_CCC 0x14 /* command channel control */ 156 #define IPS_REG_CCC_SEM 0x0008 /* semaphore */ 157 #define IPS_REG_CCC_START 0x101a /* start command */ 158 #define IPS_REG_SQH 0x20 /* status queue head */ 159 #define IPS_REG_SQT 0x24 /* status queue tail */ 160 #define IPS_REG_SQE 0x28 /* status queue end */ 161 #define IPS_REG_SQS 0x2c /* status queue start */ 162 163 #define IPS_REG_OIS 0x30 /* outbound interrupt status */ 164 #define IPS_REG_OIS_PEND 0x0008 /* interrupt is pending */ 165 #define IPS_REG_OIM 0x34 /* outbound interrupt mask */ 166 #define IPS_REG_OIM_DS 0x0008 /* disable interrupts */ 167 #define IPS_REG_IQP 0x40 /* inbound queue port */ 168 #define IPS_REG_OQP 0x44 /* outbound queue port */ 169 170 /* Status word fields */ 171 #define IPS_STAT_ID(x) (((x) >> 8) & 0xff) /* command id */ 172 #define IPS_STAT_BASIC(x) (((x) >> 16) & 0xff) /* basic status */ 173 #define IPS_STAT_EXT(x) (((x) >> 24) & 0xff) /* ext status */ 174 #define IPS_STAT_GSC(x) ((x) & 0x0f) 175 176 /* Basic status codes */ 177 #define IPS_STAT_OK 0x00 /* success */ 178 #define IPS_STAT_RECOV 0x01 /* recovered error */ 179 #define IPS_STAT_INVOP 0x03 /* invalid opcode */ 180 #define IPS_STAT_INVCMD 0x04 /* invalid command block */ 181 #define IPS_STAT_INVPARM 0x05 /* invalid parameters block */ 182 #define IPS_STAT_BUSY 0x08 /* busy */ 183 #define IPS_STAT_CMPLERR 0x0c /* completed with error */ 184 #define IPS_STAT_LDERR 0x0d /* logical drive error */ 185 #define IPS_STAT_TIMO 0x0e /* timeout */ 186 #define IPS_STAT_PDRVERR 0x0f /* physical drive error */ 187 188 /* Extended status codes */ 189 #define IPS_ESTAT_SELTIMO 0xf0 /* select timeout */ 190 #define IPS_ESTAT_OURUN 0xf2 /* over/underrun */ 191 #define IPS_ESTAT_HOSTRST 0xf7 /* host reset */ 192 #define IPS_ESTAT_DEVRST 0xf8 /* device reset */ 193 #define IPS_ESTAT_RECOV 0xfc /* recovered error */ 194 #define IPS_ESTAT_CKCOND 0xff /* check condition */ 195 196 #define IPS_IOSIZE 128 /* max space size to map */ 197 198 /* Command frame */ 199 struct ips_cmd { 200 u_int8_t code; 201 u_int8_t id; 202 u_int8_t drive; 203 u_int8_t sgcnt; 204 u_int32_t lba; 205 u_int32_t sgaddr; 206 u_int16_t seccnt; 207 u_int8_t seg4g; 208 u_int8_t esg; 209 u_int32_t ccsar; 210 u_int32_t cccr; 211 }; 212 213 /* Direct CDB (SCSI pass-through) frame */ 214 struct ips_dcdb { 215 u_int8_t device; 216 u_int8_t attr; 217 u_int16_t datalen; 218 u_int32_t sgaddr; 219 u_int8_t cdblen; 220 u_int8_t senselen; 221 u_int8_t sgcnt; 222 u_int8_t __reserved1; 223 u_int8_t cdb[IPS_MAXCDB]; 224 u_int8_t sense[64]; 225 u_int8_t status; 226 u_int8_t __reserved2[3]; 227 }; 228 229 /* Scatter-gather array element */ 230 struct ips_sg { 231 u_int32_t addr; 232 u_int32_t size; 233 }; 234 235 /* Command block */ 236 struct ips_cmdb { 237 struct ips_cmd cmd; 238 struct ips_dcdb dcdb; 239 struct ips_sg sg[IPS_MAXSGS]; 240 }; 241 242 /* Data frames */ 243 struct ips_adapterinfo { 244 u_int8_t drivecnt; 245 u_int8_t miscflag; 246 u_int8_t sltflag; 247 u_int8_t bstflag; 248 u_int8_t pwrchgcnt; 249 u_int8_t wrongaddrcnt; 250 u_int8_t unidentcnt; 251 u_int8_t nvramdevchgcnt; 252 u_int8_t firmware[8]; 253 u_int8_t bios[8]; 254 u_int32_t drivesize[IPS_MAXDRIVES]; 255 u_int8_t cmdcnt; 256 u_int8_t maxphysdevs; 257 u_int16_t flashrepgmcnt; 258 u_int8_t defunctdiskcnt; 259 u_int8_t rebuildflag; 260 u_int8_t offdrivecnt; 261 u_int8_t critdrivecnt; 262 u_int16_t confupdcnt; 263 u_int8_t blkflag; 264 u_int8_t __reserved; 265 u_int16_t deaddisk[IPS_MAXCHANS][IPS_MAXTARGETS]; 266 }; 267 268 struct ips_driveinfo { 269 u_int8_t drivecnt; 270 u_int8_t __reserved[3]; 271 struct ips_drive { 272 u_int8_t id; 273 u_int8_t __reserved; 274 u_int8_t raid; 275 u_int8_t state; 276 #define IPS_DS_FREE 0x00 277 #define IPS_DS_OFFLINE 0x02 278 #define IPS_DS_ONLINE 0x03 279 #define IPS_DS_DEGRADED 0x04 280 #define IPS_DS_SYS 0x06 281 #define IPS_DS_CRS 0x24 282 283 u_int32_t seccnt; 284 } drive[IPS_MAXDRIVES]; 285 }; 286 287 struct ips_conf { 288 u_int8_t ldcnt; 289 u_int8_t day; 290 u_int8_t month; 291 u_int8_t year; 292 u_int8_t initid[4]; 293 u_int8_t hostid[12]; 294 u_int8_t time[8]; 295 u_int32_t useropt; 296 u_int16_t userfield; 297 u_int8_t rebuildrate; 298 u_int8_t __reserved1; 299 300 struct ips_hw { 301 u_int8_t board[8]; 302 u_int8_t cpu[8]; 303 u_int8_t nchantype; 304 u_int8_t nhostinttype; 305 u_int8_t compression; 306 u_int8_t nvramtype; 307 u_int32_t nvramsize; 308 } hw; 309 310 struct ips_ld { 311 u_int16_t userfield; 312 u_int8_t state; 313 u_int8_t raidcacheparam; 314 u_int8_t chunkcnt; 315 u_int8_t stripesize; 316 u_int8_t params; 317 u_int8_t __reserved; 318 u_int32_t size; 319 320 struct ips_chunk { 321 u_int8_t channel; 322 u_int8_t target; 323 u_int16_t __reserved; 324 u_int32_t startsec; 325 u_int32_t seccnt; 326 } chunk[IPS_MAXCHUNKS]; 327 } ld[IPS_MAXDRIVES]; 328 329 struct ips_dev { 330 u_int8_t initiator; 331 u_int8_t params; 332 u_int8_t miscflag; 333 u_int8_t state; 334 #define IPS_DVS_STANDBY 0x01 335 #define IPS_DVS_REBUILD 0x02 336 #define IPS_DVS_SPARE 0x04 337 #define IPS_DVS_MEMBER 0x08 338 #define IPS_DVS_ONLINE 0x80 339 #define IPS_DVS_READY (IPS_DVS_STANDBY | IPS_DVS_ONLINE) 340 341 u_int32_t seccnt; 342 u_int8_t devid[28]; 343 } dev[IPS_MAXCHANS][IPS_MAXTARGETS]; 344 345 u_int8_t reserved[512]; 346 }; 347 348 struct ips_rblstat { 349 u_int8_t __unknown[20]; 350 struct { 351 u_int8_t __unknown[4]; 352 u_int32_t total; 353 u_int32_t remain; 354 } ld[IPS_MAXDRIVES]; 355 }; 356 357 struct ips_pg5 { 358 u_int32_t signature; 359 u_int8_t __reserved1; 360 u_int8_t slot; 361 u_int16_t type; 362 u_int8_t bioshi[4]; 363 u_int8_t bioslo[4]; 364 u_int16_t __reserved2; 365 u_int8_t __reserved3; 366 u_int8_t os; 367 u_int8_t driverhi[4]; 368 u_int8_t driverlo[4]; 369 u_int8_t __reserved4[100]; 370 }; 371 372 struct ips_info { 373 struct ips_adapterinfo adapter; 374 struct ips_driveinfo drive; 375 struct ips_conf conf; 376 struct ips_rblstat rblstat; 377 struct ips_pg5 pg5; 378 }; 379 380 /* Command control block */ 381 struct ips_softc; 382 struct ips_ccb { 383 struct ips_softc * c_sc; /* driver softc */ 384 int c_id; /* command id */ 385 int c_flags; /* SCSI_* flags */ 386 enum { 387 IPS_CCB_FREE, 388 IPS_CCB_QUEUED, 389 IPS_CCB_DONE 390 } c_state; /* command state */ 391 392 void * c_cmdbva; /* command block virt addr */ 393 paddr_t c_cmdbpa; /* command block phys addr */ 394 bus_dmamap_t c_dmam; /* data buffer DMA map */ 395 396 struct scsipi_xfer * c_xfer; /* corresponding SCSI xfer */ 397 398 u_int8_t c_stat; /* status byte copy */ 399 u_int8_t c_estat; /* ext status byte copy */ 400 int c_error; /* completion error */ 401 402 void (*c_done)(struct ips_softc *, /* cmd done */ 403 struct ips_ccb *); /* callback */ 404 405 SLIST_ENTRY(ips_ccb) c_link; /* queue link */ 406 }; 407 408 /* CCB queue */ 409 SLIST_HEAD(ips_ccbq, ips_ccb); 410 411 /* DMA-able chunk of memory */ 412 struct dmamem { 413 bus_dma_tag_t dm_tag; 414 bus_dmamap_t dm_map; 415 bus_dma_segment_t dm_seg; 416 bus_size_t dm_size; 417 void * dm_vaddr; 418 #define dm_paddr dm_seg.ds_addr 419 }; 420 421 struct ips_softc { 422 struct device sc_dev; 423 424 /* SCSI mid-layer connection. */ 425 struct scsipi_adapter sc_adapt; 426 427 struct ips_pt { 428 struct scsipi_channel pt_chan; 429 int pt_nchan; 430 struct ips_softc * pt_sc; 431 432 int pt_proctgt; 433 char pt_procdev[16]; 434 } sc_pt[IPS_MAXCHANS]; 435 436 bus_space_tag_t sc_iot; 437 bus_space_handle_t sc_ioh; 438 bus_dma_tag_t sc_dmat; 439 440 const struct ips_chipset *sc_chip; 441 442 struct ips_info * sc_info; 443 struct dmamem sc_infom; 444 445 int sc_nunits; 446 447 struct dmamem sc_cmdbm; 448 449 struct ips_ccb * sc_ccb; 450 int sc_nccbs; 451 struct ips_ccbq sc_ccbq_free; 452 struct kmutex sc_ccb_mtx; 453 454 struct dmamem sc_sqm; 455 paddr_t sc_sqtail; 456 u_int32_t * sc_sqbuf; 457 int sc_sqidx; 458 }; 459 460 int ips_match(device_t, cfdata_t, void *); 461 void ips_attach(struct device *, struct device *, void *); 462 463 void ips_scsi_cmd(struct ips_ccb *); 464 void ips_scsi_pt_cmd(struct scsipi_xfer *); 465 static void ips_scsipi_request(struct scsipi_channel *, 466 scsipi_adapter_req_t, void *); 467 int ips_scsi_ioctl(struct scsipi_channel *, u_long, void *, 468 int, struct proc *); 469 470 #if NBIO > 0 471 int ips_ioctl(device_t, u_long, void *); 472 int ips_ioctl_inq(struct ips_softc *, struct bioc_inq *); 473 int ips_ioctl_vol(struct ips_softc *, struct bioc_vol *); 474 int ips_ioctl_disk(struct ips_softc *, struct bioc_disk *); 475 int ips_ioctl_setstate(struct ips_softc *, struct bioc_setstate *); 476 #endif 477 478 int ips_load_xs(struct ips_softc *, struct ips_ccb *, struct scsipi_xfer *); 479 void ips_start_xs(struct ips_softc *, struct ips_ccb *, struct scsipi_xfer *); 480 481 int ips_cmd(struct ips_softc *, struct ips_ccb *); 482 int ips_poll(struct ips_softc *, struct ips_ccb *); 483 void ips_done(struct ips_softc *, struct ips_ccb *); 484 void ips_done_xs(struct ips_softc *, struct ips_ccb *); 485 void ips_done_pt(struct ips_softc *, struct ips_ccb *); 486 void ips_done_mgmt(struct ips_softc *, struct ips_ccb *); 487 int ips_error(struct ips_softc *, struct ips_ccb *); 488 int ips_error_xs(struct ips_softc *, struct ips_ccb *); 489 int ips_intr(void *); 490 void ips_timeout(void *); 491 492 int ips_getadapterinfo(struct ips_softc *, int); 493 int ips_getdriveinfo(struct ips_softc *, int); 494 int ips_getconf(struct ips_softc *, int); 495 int ips_getpg5(struct ips_softc *, int); 496 497 #if NBIO > 0 498 int ips_getrblstat(struct ips_softc *, int); 499 int ips_setstate(struct ips_softc *, int, int, int, int); 500 int ips_rebuild(struct ips_softc *, int, int, int, int, int); 501 #endif 502 503 void ips_copperhead_exec(struct ips_softc *, struct ips_ccb *); 504 void ips_copperhead_intren(struct ips_softc *); 505 int ips_copperhead_isintr(struct ips_softc *); 506 u_int32_t ips_copperhead_status(struct ips_softc *); 507 508 void ips_morpheus_exec(struct ips_softc *, struct ips_ccb *); 509 void ips_morpheus_intren(struct ips_softc *); 510 int ips_morpheus_isintr(struct ips_softc *); 511 u_int32_t ips_morpheus_status(struct ips_softc *); 512 513 struct ips_ccb *ips_ccb_alloc(struct ips_softc *, int); 514 void ips_ccb_free(struct ips_softc *, struct ips_ccb *, int); 515 struct ips_ccb *ips_ccb_get(struct ips_softc *); 516 void ips_ccb_put(struct ips_softc *, struct ips_ccb *); 517 518 int ips_dmamem_alloc(struct dmamem *, bus_dma_tag_t, bus_size_t); 519 void ips_dmamem_free(struct dmamem *); 520 521 extern struct cfdriver ips_cd; 522 523 CFATTACH_DECL_NEW(ips, sizeof(struct ips_softc), 524 ips_match, ips_attach, NULL, NULL); 525 526 static struct ips_ident { 527 pci_vendor_id_t vendor; 528 pci_product_id_t product; 529 } const ips_ids[] = { 530 { PCI_VENDOR_IBM, PCI_PRODUCT_IBM_SERVERAID }, 531 { PCI_VENDOR_IBM, PCI_PRODUCT_IBM_SERVERAID4 }, 532 { PCI_VENDOR_ADP2, PCI_PRODUCT_ADP2_SERVERAID } 533 }; 534 535 static const struct ips_chipset { 536 enum { 537 IPS_CHIP_COPPERHEAD = 0, 538 IPS_CHIP_MORPHEUS 539 } ic_id; 540 541 int ic_bar; 542 543 void (*ic_exec)(struct ips_softc *, struct ips_ccb *); 544 void (*ic_intren)(struct ips_softc *); 545 int (*ic_isintr)(struct ips_softc *); 546 u_int32_t (*ic_status)(struct ips_softc *); 547 } ips_chips[] = { 548 { 549 IPS_CHIP_COPPERHEAD, 550 0x14, 551 ips_copperhead_exec, 552 ips_copperhead_intren, 553 ips_copperhead_isintr, 554 ips_copperhead_status 555 }, 556 { 557 IPS_CHIP_MORPHEUS, 558 0x10, 559 ips_morpheus_exec, 560 ips_morpheus_intren, 561 ips_morpheus_isintr, 562 ips_morpheus_status 563 } 564 }; 565 566 #define ips_exec(s, c) (s)->sc_chip->ic_exec((s), (c)) 567 #define ips_intren(s) (s)->sc_chip->ic_intren((s)) 568 #define ips_isintr(s) (s)->sc_chip->ic_isintr((s)) 569 #define ips_status(s) (s)->sc_chip->ic_status((s)) 570 571 static const char *ips_names[] = { 572 NULL, 573 NULL, 574 "II", 575 "onboard", 576 "onboard", 577 "3H", 578 "3L", 579 "4H", 580 "4M", 581 "4L", 582 "4Mx", 583 "4Lx", 584 "5i", 585 "5i", 586 "6M", 587 "6i", 588 "7t", 589 "7k", 590 "7M" 591 }; 592 593 /* Lookup supported device table */ 594 static const struct ips_ident * 595 ips_lookup(const struct pci_attach_args *pa) 596 { 597 const struct ips_ident *imp; 598 int i; 599 600 for (i = 0, imp = ips_ids; i < __arraycount(ips_ids); i++, imp++) { 601 if (PCI_VENDOR(pa->pa_id) == imp->vendor && 602 PCI_PRODUCT(pa->pa_id) == imp->product) 603 return imp; 604 } 605 return NULL; 606 } 607 608 int 609 ips_match(device_t parent, cfdata_t cfdata, void *aux) 610 { 611 struct pci_attach_args *pa = aux; 612 613 if (ips_lookup(pa) != NULL) 614 return 1; 615 616 return 0; 617 } 618 619 void 620 ips_attach(struct device *parent, struct device *self, void *aux) 621 { 622 struct ips_softc *sc = (struct ips_softc *)self; 623 struct pci_attach_args *pa = aux; 624 struct ips_ccb ccb0; 625 struct ips_adapterinfo *ai; 626 struct ips_driveinfo *di; 627 struct ips_pg5 *pg5; 628 pcireg_t maptype; 629 bus_size_t iosize; 630 pci_intr_handle_t ih; 631 const char *intrstr; 632 int type, i; 633 struct scsipi_adapter *adapt; 634 struct scsipi_channel *chan; 635 char intrbuf[PCI_INTRSTR_LEN]; 636 637 sc->sc_dmat = pa->pa_dmat; 638 639 /* Identify chipset */ 640 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_IBM_SERVERAID) 641 sc->sc_chip = &ips_chips[IPS_CHIP_COPPERHEAD]; 642 else 643 sc->sc_chip = &ips_chips[IPS_CHIP_MORPHEUS]; 644 645 /* Map registers */ 646 // XXX check IPS_IOSIZE as old code used to do? 647 maptype = pci_mapreg_type(pa->pa_pc, pa->pa_tag, sc->sc_chip->ic_bar); 648 if (pci_mapreg_map(pa, sc->sc_chip->ic_bar, maptype, 0, &sc->sc_iot, 649 &sc->sc_ioh, NULL, &iosize)) { 650 printf(": can't map regs\n"); 651 return; 652 } 653 654 /* Allocate command buffer */ 655 if (ips_dmamem_alloc(&sc->sc_cmdbm, sc->sc_dmat, 656 IPS_MAXCMDS * sizeof(struct ips_cmdb))) { 657 printf(": can't alloc cmd buffer\n"); 658 goto fail1; 659 } 660 661 /* Allocate info buffer */ 662 if (ips_dmamem_alloc(&sc->sc_infom, sc->sc_dmat, 663 sizeof(struct ips_info))) { 664 printf(": can't alloc info buffer\n"); 665 goto fail2; 666 } 667 sc->sc_info = sc->sc_infom.dm_vaddr; 668 ai = &sc->sc_info->adapter; 669 di = &sc->sc_info->drive; 670 pg5 = &sc->sc_info->pg5; 671 672 /* Allocate status queue for the Copperhead chipset */ 673 if (sc->sc_chip->ic_id == IPS_CHIP_COPPERHEAD) { 674 if (ips_dmamem_alloc(&sc->sc_sqm, sc->sc_dmat, IPS_SQSZ)) { 675 printf(": can't alloc status queue\n"); 676 goto fail3; 677 } 678 sc->sc_sqtail = sc->sc_sqm.dm_paddr; 679 sc->sc_sqbuf = sc->sc_sqm.dm_vaddr; 680 sc->sc_sqidx = 0; 681 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQS, 682 sc->sc_sqm.dm_paddr); 683 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQE, 684 sc->sc_sqm.dm_paddr + IPS_SQSZ); 685 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQH, 686 sc->sc_sqm.dm_paddr + sizeof(u_int32_t)); 687 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQT, 688 sc->sc_sqm.dm_paddr); 689 } 690 691 /* Bootstrap CCB queue */ 692 sc->sc_nccbs = 1; 693 sc->sc_ccb = &ccb0; 694 bzero(&ccb0, sizeof(ccb0)); 695 ccb0.c_cmdbva = sc->sc_cmdbm.dm_vaddr; 696 ccb0.c_cmdbpa = sc->sc_cmdbm.dm_paddr; 697 SLIST_INIT(&sc->sc_ccbq_free); 698 SLIST_INSERT_HEAD(&sc->sc_ccbq_free, &ccb0, c_link); 699 mutex_init(&sc->sc_ccb_mtx, MUTEX_DEFAULT, IPL_BIO); 700 701 /* Get adapter info */ 702 if (ips_getadapterinfo(sc, XS_CTL_NOSLEEP)) { 703 printf(": can't get adapter info\n"); 704 goto fail4; 705 } 706 707 /* Get logical drives info */ 708 if (ips_getdriveinfo(sc, XS_CTL_NOSLEEP)) { 709 printf(": can't get ld info\n"); 710 goto fail4; 711 } 712 sc->sc_nunits = di->drivecnt; 713 714 /* Get configuration */ 715 if (ips_getconf(sc, XS_CTL_NOSLEEP)) { 716 printf(": can't get config\n"); 717 goto fail4; 718 } 719 720 /* Read NVRAM page 5 for additional info */ 721 (void)ips_getpg5(sc, XS_CTL_NOSLEEP); 722 723 /* Initialize CCB queue */ 724 sc->sc_nccbs = ai->cmdcnt; 725 if ((sc->sc_ccb = ips_ccb_alloc(sc, sc->sc_nccbs)) == NULL) { 726 printf(": can't alloc ccb queue\n"); 727 goto fail4; 728 } 729 SLIST_INIT(&sc->sc_ccbq_free); 730 for (i = 0; i < sc->sc_nccbs; i++) 731 SLIST_INSERT_HEAD(&sc->sc_ccbq_free, 732 &sc->sc_ccb[i], c_link); 733 734 /* Install interrupt handler */ 735 if (pci_intr_map(pa, &ih)) { 736 printf(": can't map interrupt\n"); 737 goto fail5; 738 } 739 intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf, sizeof(intrbuf)); 740 if (pci_intr_establish_xname(pa->pa_pc, ih, IPL_BIO, ips_intr, sc, 741 sc->sc_dev.dv_xname) == NULL) { 742 printf(": can't establish interrupt"); 743 if (intrstr != NULL) 744 printf(" at %s", intrstr); 745 printf("\n"); 746 goto fail5; 747 } 748 printf(": %s\n", intrstr); 749 750 /* Display adapter info */ 751 printf("%s: ServeRAID", sc->sc_dev.dv_xname); 752 type = htole16(pg5->type); 753 if (type < sizeof(ips_names) / sizeof(ips_names[0]) && ips_names[type]) 754 printf(" %s", ips_names[type]); 755 printf(", FW %c%c%c%c%c%c%c", ai->firmware[0], ai->firmware[1], 756 ai->firmware[2], ai->firmware[3], ai->firmware[4], ai->firmware[5], 757 ai->firmware[6]); 758 printf(", BIOS %c%c%c%c%c%c%c", ai->bios[0], ai->bios[1], ai->bios[2], 759 ai->bios[3], ai->bios[4], ai->bios[5], ai->bios[6]); 760 printf(", %d cmds, %d LD%s", sc->sc_nccbs, sc->sc_nunits, 761 (sc->sc_nunits == 1 ? "" : "s")); 762 printf("\n"); 763 764 /* 765 * Attach to scsipi. 766 */ 767 adapt = &sc->sc_adapt; 768 memset(adapt, 0, sizeof(*adapt)); 769 adapt->adapt_dev = self; 770 adapt->adapt_nchannels = IPS_MAXCHANS; 771 if (sc->sc_nunits > 0) 772 adapt->adapt_openings = sc->sc_nccbs / sc->sc_nunits; 773 adapt->adapt_max_periph = adapt->adapt_openings; 774 adapt->adapt_request = ips_scsipi_request; 775 adapt->adapt_minphys = minphys; 776 adapt->adapt_ioctl = ips_scsi_ioctl; 777 778 /* For each channel attach SCSI pass-through bus */ 779 for (i = 0; i < IPS_MAXCHANS; i++) { 780 struct ips_pt *pt; 781 int target, lastarget; 782 783 pt = &sc->sc_pt[i]; 784 pt->pt_sc = sc; 785 pt->pt_nchan = i; 786 pt->pt_proctgt = -1; 787 788 /* Check if channel has any devices besides disks */ 789 for (target = 0, lastarget = -1; target < IPS_MAXTARGETS; 790 target++) { 791 struct ips_dev *idev; 792 int dev_type; 793 794 idev = &sc->sc_info->conf.dev[i][target]; 795 dev_type = idev->params & SID_TYPE; 796 if (idev->state && dev_type != T_DIRECT) { 797 lastarget = target; 798 if (type == T_PROCESSOR || 799 type == T_ENCLOSURE) 800 /* remember enclosure address */ 801 pt->pt_proctgt = target; 802 } 803 } 804 if (lastarget == -1) 805 continue; 806 807 chan = &pt->pt_chan; 808 memset(chan, 0, sizeof(*chan)); 809 chan->chan_adapter = adapt; 810 chan->chan_bustype = &scsi_bustype; 811 chan->chan_channel = i; 812 chan->chan_ntargets = IPS_MAXTARGETS; 813 chan->chan_nluns = lastarget + 1; 814 chan->chan_id = i; 815 chan->chan_flags = SCSIPI_CHAN_NOSETTLE; 816 config_found(self, chan, scsiprint); 817 } 818 819 /* Enable interrupts */ 820 ips_intren(sc); 821 822 #if NBIO > 0 823 /* Install ioctl handler */ 824 if (bio_register(&sc->sc_dev, ips_ioctl)) 825 printf("%s: no ioctl support\n", sc->sc_dev.dv_xname); 826 #endif 827 828 return; 829 fail5: 830 ips_ccb_free(sc, sc->sc_ccb, sc->sc_nccbs); 831 fail4: 832 if (sc->sc_chip->ic_id == IPS_CHIP_COPPERHEAD) 833 ips_dmamem_free(&sc->sc_sqm); 834 fail3: 835 ips_dmamem_free(&sc->sc_infom); 836 fail2: 837 ips_dmamem_free(&sc->sc_cmdbm); 838 fail1: 839 bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize); 840 } 841 842 void 843 ips_scsi_cmd(struct ips_ccb *ccb) 844 { 845 struct scsipi_xfer *xs = ccb->c_xfer; 846 struct scsipi_periph *periph = xs->xs_periph; 847 struct scsipi_channel *chan = periph->periph_channel; 848 struct ips_softc *sc = device_private(chan->chan_adapter->adapt_dev); 849 struct ips_driveinfo *di = &sc->sc_info->drive; 850 struct ips_drive *drive; 851 struct ips_cmd *cmd; 852 int target = periph->periph_target; 853 u_int32_t blkno, blkcnt; 854 int code; 855 856 DPRINTF(IPS_D_XFER, ("%s: ips_scsi_cmd: xs %p, target %d, " 857 "opcode 0x%02x, flags 0x%x\n", sc->sc_dev.dv_xname, xs, target, 858 xs->cmd->opcode, xs->xs_control)); 859 860 if (target >= sc->sc_nunits || periph->periph_lun != 0) { 861 DPRINTF(IPS_D_INFO, ("%s: ips_scsi_cmd: invalid params " 862 "target %d, lun %d\n", sc->sc_dev.dv_xname, 863 target, periph->periph_lun)); 864 xs->error = XS_DRIVER_STUFFUP; 865 ips_ccb_put(sc, ccb); 866 scsipi_done(xs); 867 return; 868 } 869 870 drive = &di->drive[target]; 871 xs->error = XS_NOERROR; 872 873 /* Fake SCSI commands */ 874 switch (xs->cmd->opcode) { 875 case READ_10: 876 case SCSI_READ_6_COMMAND: 877 case WRITE_10: 878 case SCSI_WRITE_6_COMMAND: { 879 struct scsi_rw_6 *rw; 880 struct scsipi_rw_10 *rwb; 881 882 if (xs->cmdlen == sizeof(struct scsi_rw_6)) { 883 rw = (void *)xs->cmd; 884 blkno = _3btol(rw->addr) & 885 (SRW_TOPADDR << 16 | 0xffff); 886 blkcnt = rw->length ? rw->length : 0x100; 887 } else { 888 rwb = (void *)xs->cmd; 889 blkno = _4btol(rwb->addr); 890 blkcnt = _2btol(rwb->length); 891 } 892 893 if (blkno >= htole32(drive->seccnt) || blkno + blkcnt > 894 htole32(drive->seccnt)) { 895 DPRINTF(IPS_D_ERR, ("%s: ips_scsi_cmd: invalid params " 896 "blkno %u, blkcnt %u\n", sc->sc_dev.dv_xname, 897 blkno, blkcnt)); 898 xs->error = XS_DRIVER_STUFFUP; 899 break; 900 } 901 902 if (xs->xs_control & XS_CTL_DATA_IN) 903 code = IPS_CMD_READ; 904 else 905 code = IPS_CMD_WRITE; 906 907 cmd = ccb->c_cmdbva; 908 cmd->code = code; 909 cmd->drive = target; 910 cmd->lba = htole32(blkno); 911 cmd->seccnt = htole16(blkcnt); 912 913 if (ips_load_xs(sc, ccb, xs)) { 914 DPRINTF(IPS_D_ERR, ("%s: ips_scsi_cmd: ips_load_xs " 915 "failed\n", sc->sc_dev.dv_xname)); 916 xs->error = XS_DRIVER_STUFFUP; 917 ips_ccb_put(sc, ccb); 918 scsipi_done(xs); 919 return; 920 } 921 922 if (cmd->sgcnt > 0) 923 cmd->code |= IPS_CMD_SG; 924 925 ccb->c_done = ips_done_xs; 926 ips_start_xs(sc, ccb, xs); 927 return; 928 } 929 case INQUIRY: { 930 struct scsipi_inquiry_data inq; 931 932 bzero(&inq, sizeof(inq)); 933 inq.device = T_DIRECT; 934 inq.version = 2; 935 inq.response_format = 2; 936 inq.additional_length = 32; 937 inq.flags3 |= SID_CmdQue; 938 strlcpy(inq.vendor, "IBM", sizeof(inq.vendor)); 939 snprintf(inq.product, sizeof(inq.product), 940 "LD%d RAID%d", target, drive->raid); 941 strlcpy(inq.revision, "1.0", sizeof(inq.revision)); 942 memcpy(xs->data, &inq, MIN(xs->datalen, sizeof(inq))); 943 break; 944 } 945 case READ_CAPACITY_10: { 946 struct scsipi_read_capacity_10_data rcd; 947 948 bzero(&rcd, sizeof(rcd)); 949 _lto4b(htole32(drive->seccnt) - 1, rcd.addr); 950 _lto4b(IPS_SECSZ, rcd.length); 951 memcpy(xs->data, &rcd, MIN(xs->datalen, sizeof(rcd))); 952 break; 953 } 954 case SCSI_REQUEST_SENSE: { 955 struct scsi_sense_data sd; 956 957 bzero(&sd, sizeof(sd)); 958 sd.response_code = SSD_RCODE_CURRENT; 959 sd.flags = SKEY_NO_SENSE; 960 memcpy(xs->data, &sd, MIN(xs->datalen, sizeof(sd))); 961 break; 962 } 963 case SCSI_SYNCHRONIZE_CACHE_10: 964 cmd = ccb->c_cmdbva; 965 cmd->code = IPS_CMD_FLUSH; 966 967 ccb->c_done = ips_done_xs; 968 ips_start_xs(sc, ccb, xs); 969 return; 970 case SCSI_PREVENT_ALLOW_MEDIUM_REMOVAL: 971 case START_STOP: 972 case SCSI_TEST_UNIT_READY: 973 break; 974 default: 975 DPRINTF(IPS_D_INFO, ("%s: unsupported scsi command 0x%02x\n", 976 sc->sc_dev.dv_xname, xs->cmd->opcode)); 977 xs->error = XS_DRIVER_STUFFUP; 978 } 979 980 ips_ccb_put(sc, ccb); 981 scsipi_done(xs); 982 } 983 984 /* 985 * Start a SCSI command. 986 */ 987 static void 988 ips_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 989 void *arg) 990 { 991 switch (req) { 992 case ADAPTER_REQ_RUN_XFER: { 993 struct ips_ccb *ccb; 994 struct scsipi_xfer *xs; 995 struct ips_softc *sc; 996 997 sc = device_private(chan->chan_adapter->adapt_dev); 998 xs = (struct scsipi_xfer *)arg; 999 1000 if ((ccb = ips_ccb_get(sc)) == NULL) { 1001 xs->error = XS_RESOURCE_SHORTAGE; 1002 scsipi_done(xs); 1003 break; 1004 } 1005 1006 ccb->c_xfer = xs; 1007 ips_scsi_cmd(ccb); 1008 1009 break; 1010 } 1011 1012 case ADAPTER_REQ_SET_XFER_MODE: { 1013 struct scsipi_xfer_mode *xm = arg; 1014 xm->xm_mode = PERIPH_CAP_TQING; 1015 xm->xm_period = 0; 1016 xm->xm_offset = 0; 1017 scsipi_async_event(chan, ASYNC_EVENT_XFER_MODE, xm); 1018 return; 1019 } 1020 1021 case ADAPTER_REQ_GROW_RESOURCES: 1022 /* 1023 * Not supported. 1024 */ 1025 break; 1026 } 1027 } 1028 1029 int 1030 ips_scsi_ioctl(struct scsipi_channel *chan, u_long cmd, void *data, 1031 int flag, struct proc *p) 1032 { 1033 #if NBIO > 0 1034 return (ips_ioctl(chan->chan_adapter->adapt_dev, cmd, data)); 1035 #else 1036 return (ENOTTY); 1037 #endif 1038 } 1039 1040 #if NBIO > 0 1041 int 1042 ips_ioctl(device_t dev, u_long cmd, void *data) 1043 { 1044 struct ips_softc *sc = (struct ips_softc *)dev; 1045 1046 DPRINTF(IPS_D_INFO, ("%s: ips_ioctl: cmd %lu\n", 1047 sc->sc_dev.dv_xname, cmd)); 1048 1049 switch (cmd) { 1050 case BIOCINQ: 1051 return (ips_ioctl_inq(sc, (struct bioc_inq *)data)); 1052 case BIOCVOL: 1053 return (ips_ioctl_vol(sc, (struct bioc_vol *)data)); 1054 case BIOCDISK: 1055 return (ips_ioctl_disk(sc, (struct bioc_disk *)data)); 1056 case BIOCSETSTATE: 1057 return (ips_ioctl_setstate(sc, (struct bioc_setstate *)data)); 1058 default: 1059 return (ENOTTY); 1060 } 1061 } 1062 1063 int 1064 ips_ioctl_inq(struct ips_softc *sc, struct bioc_inq *bi) 1065 { 1066 struct ips_conf *conf = &sc->sc_info->conf; 1067 int i; 1068 1069 strlcpy(bi->bi_dev, sc->sc_dev.dv_xname, sizeof(bi->bi_dev)); 1070 bi->bi_novol = sc->sc_nunits; 1071 for (i = 0, bi->bi_nodisk = 0; i < sc->sc_nunits; i++) 1072 bi->bi_nodisk += conf->ld[i].chunkcnt; 1073 1074 DPRINTF(IPS_D_INFO, ("%s: ips_ioctl_inq: novol %d, nodisk %d\n", 1075 bi->bi_dev, bi->bi_novol, bi->bi_nodisk)); 1076 1077 return (0); 1078 } 1079 1080 int 1081 ips_ioctl_vol(struct ips_softc *sc, struct bioc_vol *bv) 1082 { 1083 struct ips_driveinfo *di = &sc->sc_info->drive; 1084 struct ips_conf *conf = &sc->sc_info->conf; 1085 struct ips_rblstat *rblstat = &sc->sc_info->rblstat; 1086 struct ips_ld *ld; 1087 int vid = bv->bv_volid; 1088 struct device *dv; 1089 int error, rebuild = 0; 1090 u_int32_t total = 0, done = 0; 1091 1092 if (vid >= sc->sc_nunits) 1093 return (EINVAL); 1094 if ((error = ips_getconf(sc, 0))) 1095 return (error); 1096 ld = &conf->ld[vid]; 1097 1098 switch (ld->state) { 1099 case IPS_DS_ONLINE: 1100 bv->bv_status = BIOC_SVONLINE; 1101 break; 1102 case IPS_DS_DEGRADED: 1103 bv->bv_status = BIOC_SVDEGRADED; 1104 rebuild++; 1105 break; 1106 case IPS_DS_OFFLINE: 1107 bv->bv_status = BIOC_SVOFFLINE; 1108 break; 1109 default: 1110 bv->bv_status = BIOC_SVINVALID; 1111 } 1112 1113 if (rebuild && ips_getrblstat(sc, 0) == 0) { 1114 total = htole32(rblstat->ld[vid].total); 1115 done = total - htole32(rblstat->ld[vid].remain); 1116 if (total && total > done) { 1117 bv->bv_status = BIOC_SVREBUILD; 1118 bv->bv_percent = 100 * done / total; 1119 } 1120 } 1121 1122 bv->bv_size = (uint64_t)htole32(ld->size) * IPS_SECSZ; 1123 bv->bv_level = di->drive[vid].raid; 1124 bv->bv_nodisk = ld->chunkcnt; 1125 1126 /* Associate all unused and spare drives with first volume */ 1127 if (vid == 0) { 1128 struct ips_dev *dev; 1129 int chan, target; 1130 1131 for (chan = 0; chan < IPS_MAXCHANS; chan++) 1132 for (target = 0; target < IPS_MAXTARGETS; target++) { 1133 dev = &conf->dev[chan][target]; 1134 if (dev->state && !(dev->state & 1135 IPS_DVS_MEMBER) && 1136 (dev->params & SID_TYPE) == T_DIRECT) 1137 bv->bv_nodisk++; 1138 } 1139 } 1140 1141 dv = &sc->sc_dev; 1142 strlcpy(bv->bv_dev, dv->dv_xname, sizeof(bv->bv_dev)); 1143 strlcpy(bv->bv_vendor, "IBM", sizeof(bv->bv_vendor)); 1144 1145 DPRINTF(IPS_D_INFO, ("%s: ips_ioctl_vol: vid %d, state 0x%02x, " 1146 "total %u, done %u, size %llu, level %d, nodisk %d, dev %s\n", 1147 sc->sc_dev.dv_xname, vid, ld->state, total, done, bv->bv_size, 1148 bv->bv_level, bv->bv_nodisk, bv->bv_dev)); 1149 1150 return (0); 1151 } 1152 1153 int 1154 ips_ioctl_disk(struct ips_softc *sc, struct bioc_disk *bd) 1155 { 1156 struct ips_conf *conf = &sc->sc_info->conf; 1157 struct ips_ld *ld; 1158 struct ips_chunk *chunk; 1159 struct ips_dev *dev; 1160 int vid = bd->bd_volid, did = bd->bd_diskid; 1161 int chan, target, error, i; 1162 1163 if (vid >= sc->sc_nunits) 1164 return (EINVAL); 1165 if ((error = ips_getconf(sc, 0))) 1166 return (error); 1167 ld = &conf->ld[vid]; 1168 1169 if (did >= ld->chunkcnt) { 1170 /* Probably unused or spare drives */ 1171 if (vid != 0) 1172 return (EINVAL); 1173 1174 i = ld->chunkcnt; 1175 for (chan = 0; chan < IPS_MAXCHANS; chan++) 1176 for (target = 0; target < IPS_MAXTARGETS; target++) { 1177 dev = &conf->dev[chan][target]; 1178 if (dev->state && !(dev->state & 1179 IPS_DVS_MEMBER) && 1180 (dev->params & SID_TYPE) == T_DIRECT) 1181 if (i++ == did) 1182 goto out; 1183 } 1184 } else { 1185 chunk = &ld->chunk[did]; 1186 chan = chunk->channel; 1187 target = chunk->target; 1188 } 1189 1190 out: 1191 if (chan >= IPS_MAXCHANS || target >= IPS_MAXTARGETS) 1192 return (EINVAL); 1193 dev = &conf->dev[chan][target]; 1194 1195 bd->bd_channel = chan; 1196 bd->bd_target = target; 1197 bd->bd_lun = 0; 1198 bd->bd_size = (uint64_t)htole32(dev->seccnt) * IPS_SECSZ; 1199 1200 bzero(bd->bd_vendor, sizeof(bd->bd_vendor)); 1201 memcpy(bd->bd_vendor, dev->devid, MIN(sizeof(bd->bd_vendor), 1202 sizeof(dev->devid))); 1203 strlcpy(bd->bd_procdev, sc->sc_pt[chan].pt_procdev, 1204 sizeof(bd->bd_procdev)); 1205 1206 if (dev->state & IPS_DVS_READY) { 1207 bd->bd_status = BIOC_SDUNUSED; 1208 if (dev->state & IPS_DVS_MEMBER) 1209 bd->bd_status = BIOC_SDONLINE; 1210 if (dev->state & IPS_DVS_SPARE) 1211 bd->bd_status = BIOC_SDHOTSPARE; 1212 if (dev->state & IPS_DVS_REBUILD) 1213 bd->bd_status = BIOC_SDREBUILD; 1214 } else { 1215 bd->bd_status = BIOC_SDOFFLINE; 1216 } 1217 1218 DPRINTF(IPS_D_INFO, ("%s: ips_ioctl_disk: vid %d, did %d, channel %d, " 1219 "target %d, size %llu, state 0x%02x\n", sc->sc_dev.dv_xname, 1220 vid, did, bd->bd_channel, bd->bd_target, bd->bd_size, dev->state)); 1221 1222 return (0); 1223 } 1224 1225 int 1226 ips_ioctl_setstate(struct ips_softc *sc, struct bioc_setstate *bs) 1227 { 1228 struct ips_conf *conf = &sc->sc_info->conf; 1229 struct ips_dev *dev; 1230 int state, error; 1231 1232 if (bs->bs_channel >= IPS_MAXCHANS || bs->bs_target >= IPS_MAXTARGETS) 1233 return (EINVAL); 1234 if ((error = ips_getconf(sc, 0))) 1235 return (error); 1236 dev = &conf->dev[bs->bs_channel][bs->bs_target]; 1237 state = dev->state; 1238 1239 switch (bs->bs_status) { 1240 case BIOC_SSONLINE: 1241 state |= IPS_DVS_READY; 1242 break; 1243 case BIOC_SSOFFLINE: 1244 state &= ~IPS_DVS_READY; 1245 break; 1246 case BIOC_SSHOTSPARE: 1247 state |= IPS_DVS_SPARE; 1248 break; 1249 case BIOC_SSREBUILD: 1250 return (ips_rebuild(sc, bs->bs_channel, bs->bs_target, 1251 bs->bs_channel, bs->bs_target, 0)); 1252 default: 1253 return (EINVAL); 1254 } 1255 1256 return (ips_setstate(sc, bs->bs_channel, bs->bs_target, state, 0)); 1257 } 1258 #endif /* NBIO > 0 */ 1259 1260 int 1261 ips_load_xs(struct ips_softc *sc, struct ips_ccb *ccb, struct scsipi_xfer *xs) 1262 { 1263 struct ips_cmdb *cmdb = ccb->c_cmdbva; 1264 struct ips_cmd *cmd = &cmdb->cmd; 1265 struct ips_sg *sg = cmdb->sg; 1266 int nsegs, i; 1267 1268 if (xs->datalen == 0) 1269 return (0); 1270 1271 /* Map data buffer into DMA segments */ 1272 if (bus_dmamap_load(sc->sc_dmat, ccb->c_dmam, xs->data, xs->datalen, 1273 NULL, (xs->xs_control & XS_CTL_NOSLEEP ? BUS_DMA_NOWAIT : 0))) 1274 return (1); 1275 bus_dmamap_sync(sc->sc_dmat, ccb->c_dmam, 0,ccb->c_dmam->dm_mapsize, 1276 xs->xs_control & XS_CTL_DATA_IN ? BUS_DMASYNC_PREREAD : 1277 BUS_DMASYNC_PREWRITE); 1278 1279 if ((nsegs = ccb->c_dmam->dm_nsegs) > IPS_MAXSGS) 1280 return (1); 1281 1282 if (nsegs > 1) { 1283 cmd->sgcnt = nsegs; 1284 cmd->sgaddr = htole32(ccb->c_cmdbpa + offsetof(struct ips_cmdb, 1285 sg)); 1286 1287 /* Fill in scatter-gather array */ 1288 for (i = 0; i < nsegs; i++) { 1289 sg[i].addr = htole32(ccb->c_dmam->dm_segs[i].ds_addr); 1290 sg[i].size = htole32(ccb->c_dmam->dm_segs[i].ds_len); 1291 } 1292 } else { 1293 cmd->sgcnt = 0; 1294 cmd->sgaddr = htole32(ccb->c_dmam->dm_segs[0].ds_addr); 1295 } 1296 1297 return (0); 1298 } 1299 1300 void 1301 ips_start_xs(struct ips_softc *sc, struct ips_ccb *ccb, struct scsipi_xfer *xs) 1302 { 1303 ccb->c_flags = xs->xs_control; 1304 ccb->c_xfer = xs; 1305 int ispoll = xs->xs_control & XS_CTL_POLL; 1306 1307 if (!ispoll) { 1308 int timeout = mstohz(xs->timeout); 1309 if (timeout == 0) 1310 timeout = 1; 1311 1312 callout_reset(&xs->xs_callout, timeout, ips_timeout, ccb); 1313 } 1314 1315 /* 1316 * Return value not used here because ips_cmd() must complete 1317 * scsipi_xfer on any failure and SCSI layer will handle possible 1318 * errors. 1319 */ 1320 ips_cmd(sc, ccb); 1321 } 1322 1323 int 1324 ips_cmd(struct ips_softc *sc, struct ips_ccb *ccb) 1325 { 1326 struct ips_cmd *cmd = ccb->c_cmdbva; 1327 int s, error = 0; 1328 1329 DPRINTF(IPS_D_XFER, ("%s: ips_cmd: id 0x%02x, flags 0x%x, xs %p, " 1330 "code 0x%02x, drive %d, sgcnt %d, lba %d, sgaddr 0x%08x, " 1331 "seccnt %d\n", sc->sc_dev.dv_xname, ccb->c_id, ccb->c_flags, 1332 ccb->c_xfer, cmd->code, cmd->drive, cmd->sgcnt, htole32(cmd->lba), 1333 htole32(cmd->sgaddr), htole16(cmd->seccnt))); 1334 1335 cmd->id = ccb->c_id; 1336 1337 /* Post command to controller and optionally wait for completion */ 1338 s = splbio(); 1339 ips_exec(sc, ccb); 1340 ccb->c_state = IPS_CCB_QUEUED; 1341 if (ccb->c_flags & XS_CTL_POLL) 1342 error = ips_poll(sc, ccb); 1343 splx(s); 1344 1345 return (error); 1346 } 1347 1348 int 1349 ips_poll(struct ips_softc *sc, struct ips_ccb *ccb) 1350 { 1351 struct timeval tv; 1352 int error, timo; 1353 1354 if (ccb->c_flags & XS_CTL_NOSLEEP) { 1355 /* busy-wait */ 1356 DPRINTF(IPS_D_XFER, ("%s: ips_poll: busy-wait\n", 1357 sc->sc_dev.dv_xname)); 1358 1359 for (timo = 10000; timo > 0; timo--) { 1360 delay(100); 1361 ips_intr(sc); 1362 if (ccb->c_state == IPS_CCB_DONE) 1363 break; 1364 } 1365 } else { 1366 /* sleep */ 1367 timo = ccb->c_xfer ? ccb->c_xfer->timeout : IPS_TIMEOUT; 1368 tv.tv_sec = timo / 1000; 1369 tv.tv_usec = (timo % 1000) * 1000; 1370 timo = tvtohz(&tv); 1371 1372 DPRINTF(IPS_D_XFER, ("%s: ips_poll: sleep %d hz\n", 1373 sc->sc_dev.dv_xname, timo)); 1374 tsleep(ccb, PRIBIO + 1, "ipscmd", timo); 1375 } 1376 DPRINTF(IPS_D_XFER, ("%s: ips_poll: state %d\n", sc->sc_dev.dv_xname, 1377 ccb->c_state)); 1378 1379 if (ccb->c_state != IPS_CCB_DONE) 1380 /* 1381 * Command never completed. Fake hardware status byte 1382 * to indicate timeout. 1383 */ 1384 ccb->c_stat = IPS_STAT_TIMO; 1385 1386 ips_done(sc, ccb); 1387 error = ccb->c_error; 1388 1389 return (error); 1390 } 1391 1392 void 1393 ips_done(struct ips_softc *sc, struct ips_ccb *ccb) 1394 { 1395 DPRINTF(IPS_D_XFER, ("%s: ips_done: id 0x%02x, flags 0x%x, xs %p\n", 1396 sc->sc_dev.dv_xname, ccb->c_id, ccb->c_flags, ccb->c_xfer)); 1397 1398 ccb->c_error = ips_error(sc, ccb); 1399 ccb->c_done(sc, ccb); 1400 } 1401 1402 void 1403 ips_done_xs(struct ips_softc *sc, struct ips_ccb *ccb) 1404 { 1405 struct scsipi_xfer *xs = ccb->c_xfer; 1406 1407 if (!(xs->xs_control & XS_CTL_POLL)) 1408 callout_stop(&xs->xs_callout); 1409 1410 if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) { 1411 bus_dmamap_sync(sc->sc_dmat, ccb->c_dmam, 0, 1412 ccb->c_dmam->dm_mapsize, xs->xs_control & XS_CTL_DATA_IN ? 1413 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1414 bus_dmamap_unload(sc->sc_dmat, ccb->c_dmam); 1415 } 1416 1417 xs->resid = 0; 1418 xs->error = ips_error_xs(sc, ccb); 1419 ips_ccb_put(sc, ccb); 1420 scsipi_done(xs); 1421 } 1422 1423 void 1424 ips_done_pt(struct ips_softc *sc, struct ips_ccb *ccb) 1425 { 1426 struct scsipi_xfer *xs = ccb->c_xfer; 1427 struct ips_cmdb *cmdb = ccb->c_cmdbva; 1428 struct ips_dcdb *dcdb = &cmdb->dcdb; 1429 int done = htole16(dcdb->datalen); 1430 1431 if (!(xs->xs_control & XS_CTL_POLL)) 1432 callout_stop(&xs->xs_callout); 1433 1434 if (xs->xs_control & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) { 1435 bus_dmamap_sync(sc->sc_dmat, ccb->c_dmam, 0, 1436 ccb->c_dmam->dm_mapsize, xs->xs_control & XS_CTL_DATA_IN ? 1437 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); 1438 bus_dmamap_unload(sc->sc_dmat, ccb->c_dmam); 1439 } 1440 1441 if (done && done < xs->datalen) 1442 xs->resid = xs->datalen - done; 1443 else 1444 xs->resid = 0; 1445 xs->error = ips_error_xs(sc, ccb); 1446 xs->status = dcdb->status; 1447 1448 if (xs->error == XS_SENSE) 1449 memcpy(&xs->sense, dcdb->sense, MIN(sizeof(xs->sense), 1450 sizeof(dcdb->sense))); 1451 1452 if (xs->cmd->opcode == INQUIRY && xs->error == XS_NOERROR) { 1453 int type = ((struct scsipi_inquiry_data *)xs->data)->device & 1454 SID_TYPE; 1455 1456 if (type == T_DIRECT) 1457 /* mask physical drives */ 1458 xs->error = XS_DRIVER_STUFFUP; 1459 } 1460 1461 ips_ccb_put(sc, ccb); 1462 scsipi_done(xs); 1463 } 1464 1465 void 1466 ips_done_mgmt(struct ips_softc *sc, struct ips_ccb *ccb) 1467 { 1468 if (ccb->c_flags & (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) 1469 bus_dmamap_sync(sc->sc_dmat, sc->sc_infom.dm_map, 0, 1470 sc->sc_infom.dm_map->dm_mapsize, 1471 ccb->c_flags & XS_CTL_DATA_IN ? BUS_DMASYNC_POSTREAD : 1472 BUS_DMASYNC_POSTWRITE); 1473 1474 ips_ccb_put(sc, ccb); 1475 } 1476 1477 int 1478 ips_error(struct ips_softc *sc, struct ips_ccb *ccb) 1479 { 1480 struct ips_cmdb *cmdb = ccb->c_cmdbva; 1481 struct ips_cmd *cmd = &cmdb->cmd; 1482 struct ips_dcdb *dcdb = &cmdb->dcdb; 1483 struct scsipi_xfer *xs = ccb->c_xfer; 1484 u_int8_t gsc = IPS_STAT_GSC(ccb->c_stat); 1485 1486 if (gsc == IPS_STAT_OK) 1487 return (0); 1488 1489 DPRINTF(IPS_D_ERR, ("%s: ips_error: stat 0x%02x, estat 0x%02x, " 1490 "cmd code 0x%02x, drive %d, sgcnt %d, lba %u, seccnt %d", 1491 sc->sc_dev.dv_xname, ccb->c_stat, ccb->c_estat, cmd->code, 1492 cmd->drive, cmd->sgcnt, htole32(cmd->lba), htole16(cmd->seccnt))); 1493 if (cmd->code == IPS_CMD_DCDB || cmd->code == IPS_CMD_DCDB_SG) { 1494 int i; 1495 1496 DPRINTF(IPS_D_ERR, (", dcdb device 0x%02x, attr 0x%02x, " 1497 "datalen %d, sgcnt %d, status 0x%02x", 1498 dcdb->device, dcdb->attr, htole16(dcdb->datalen), 1499 dcdb->sgcnt, dcdb->status)); 1500 1501 DPRINTF(IPS_D_ERR, (", cdb")); 1502 for (i = 0; i < dcdb->cdblen; i++) 1503 DPRINTF(IPS_D_ERR, (" %x", dcdb->cdb[i])); 1504 if (ccb->c_estat == IPS_ESTAT_CKCOND) { 1505 DPRINTF(IPS_D_ERR, (", sense")); 1506 for (i = 0; i < dcdb->senselen; i++) 1507 DPRINTF(IPS_D_ERR, (" %x", dcdb->sense[i])); 1508 } 1509 } 1510 DPRINTF(IPS_D_ERR, ("\n")); 1511 1512 switch (gsc) { 1513 case IPS_STAT_RECOV: 1514 return (0); 1515 case IPS_STAT_INVOP: 1516 case IPS_STAT_INVCMD: 1517 case IPS_STAT_INVPARM: 1518 return (EINVAL); 1519 case IPS_STAT_BUSY: 1520 return (EBUSY); 1521 case IPS_STAT_TIMO: 1522 return (ETIMEDOUT); 1523 case IPS_STAT_PDRVERR: 1524 switch (ccb->c_estat) { 1525 case IPS_ESTAT_SELTIMO: 1526 return (ENODEV); 1527 case IPS_ESTAT_OURUN: 1528 if (xs && htole16(dcdb->datalen) < xs->datalen) 1529 /* underrun */ 1530 return (0); 1531 break; 1532 case IPS_ESTAT_RECOV: 1533 return (0); 1534 } 1535 break; 1536 } 1537 1538 return (EIO); 1539 } 1540 1541 int 1542 ips_error_xs(struct ips_softc *sc, struct ips_ccb *ccb) 1543 { 1544 struct ips_cmdb *cmdb = ccb->c_cmdbva; 1545 struct ips_dcdb *dcdb = &cmdb->dcdb; 1546 struct scsipi_xfer *xs = ccb->c_xfer; 1547 u_int8_t gsc = IPS_STAT_GSC(ccb->c_stat); 1548 1549 /* Map hardware error codes to SCSI ones */ 1550 switch (gsc) { 1551 case IPS_STAT_OK: 1552 case IPS_STAT_RECOV: 1553 return (XS_NOERROR); 1554 case IPS_STAT_BUSY: 1555 return (XS_BUSY); 1556 case IPS_STAT_TIMO: 1557 return (XS_TIMEOUT); 1558 case IPS_STAT_PDRVERR: 1559 switch (ccb->c_estat) { 1560 case IPS_ESTAT_SELTIMO: 1561 return (XS_SELTIMEOUT); 1562 case IPS_ESTAT_OURUN: 1563 if (xs && htole16(dcdb->datalen) < xs->datalen) 1564 /* underrun */ 1565 return (XS_NOERROR); 1566 break; 1567 case IPS_ESTAT_HOSTRST: 1568 case IPS_ESTAT_DEVRST: 1569 return (XS_RESET); 1570 case IPS_ESTAT_RECOV: 1571 return (XS_NOERROR); 1572 case IPS_ESTAT_CKCOND: 1573 return (XS_SENSE); 1574 } 1575 break; 1576 } 1577 1578 return (XS_DRIVER_STUFFUP); 1579 } 1580 1581 int 1582 ips_intr(void *arg) 1583 { 1584 struct ips_softc *sc = arg; 1585 struct ips_ccb *ccb; 1586 u_int32_t status; 1587 int id; 1588 1589 DPRINTF(IPS_D_XFER, ("%s: ips_intr", sc->sc_dev.dv_xname)); 1590 if (!ips_isintr(sc)) { 1591 DPRINTF(IPS_D_XFER, (": not ours\n")); 1592 return (0); 1593 } 1594 DPRINTF(IPS_D_XFER, ("\n")); 1595 1596 /* Process completed commands */ 1597 while ((status = ips_status(sc)) != 0xffffffff) { 1598 DPRINTF(IPS_D_XFER, ("%s: ips_intr: status 0x%08x\n", 1599 sc->sc_dev.dv_xname, status)); 1600 1601 id = IPS_STAT_ID(status); 1602 if (id >= sc->sc_nccbs) { 1603 DPRINTF(IPS_D_ERR, ("%s: ips_intr: invalid id %d\n", 1604 sc->sc_dev.dv_xname, id)); 1605 continue; 1606 } 1607 1608 ccb = &sc->sc_ccb[id]; 1609 if (ccb->c_state != IPS_CCB_QUEUED) { 1610 DPRINTF(IPS_D_ERR, ("%s: ips_intr: cmd 0x%02x not " 1611 "queued, state %d, status 0x%08x\n", 1612 sc->sc_dev.dv_xname, ccb->c_id, ccb->c_state, 1613 status)); 1614 continue; 1615 } 1616 1617 ccb->c_state = IPS_CCB_DONE; 1618 ccb->c_stat = IPS_STAT_BASIC(status); 1619 ccb->c_estat = IPS_STAT_EXT(status); 1620 1621 if (ccb->c_flags & XS_CTL_POLL) { 1622 wakeup(ccb); 1623 } else { 1624 ips_done(sc, ccb); 1625 } 1626 } 1627 1628 return (1); 1629 } 1630 1631 void 1632 ips_timeout(void *arg) 1633 { 1634 struct ips_ccb *ccb = arg; 1635 struct ips_softc *sc = ccb->c_sc; 1636 struct scsipi_xfer *xs = ccb->c_xfer; 1637 int s; 1638 1639 s = splbio(); 1640 if (xs) 1641 scsi_print_addr(xs->xs_periph); 1642 else 1643 printf("%s: ", sc->sc_dev.dv_xname); 1644 printf("timeout\n"); 1645 1646 /* 1647 * Command never completed. Fake hardware status byte 1648 * to indicate timeout. 1649 * XXX: need to remove command from controller. 1650 */ 1651 ccb->c_stat = IPS_STAT_TIMO; 1652 ips_done(sc, ccb); 1653 splx(s); 1654 } 1655 1656 int 1657 ips_getadapterinfo(struct ips_softc *sc, int flags) 1658 { 1659 struct ips_ccb *ccb; 1660 struct ips_cmd *cmd; 1661 1662 ccb = ips_ccb_get(sc); 1663 if (ccb == NULL) 1664 return (1); 1665 1666 ccb->c_flags = XS_CTL_DATA_IN | XS_CTL_POLL | flags; 1667 ccb->c_done = ips_done_mgmt; 1668 1669 cmd = ccb->c_cmdbva; 1670 cmd->code = IPS_CMD_GETADAPTERINFO; 1671 cmd->sgaddr = htole32(sc->sc_infom.dm_paddr + offsetof(struct ips_info, 1672 adapter)); 1673 1674 return (ips_cmd(sc, ccb)); 1675 } 1676 1677 int 1678 ips_getdriveinfo(struct ips_softc *sc, int flags) 1679 { 1680 struct ips_ccb *ccb; 1681 struct ips_cmd *cmd; 1682 1683 ccb = ips_ccb_get(sc); 1684 if (ccb == NULL) 1685 return (1); 1686 1687 ccb->c_flags = XS_CTL_DATA_IN | XS_CTL_POLL | flags; 1688 ccb->c_done = ips_done_mgmt; 1689 1690 cmd = ccb->c_cmdbva; 1691 cmd->code = IPS_CMD_GETDRIVEINFO; 1692 cmd->sgaddr = htole32(sc->sc_infom.dm_paddr + offsetof(struct ips_info, 1693 drive)); 1694 1695 return (ips_cmd(sc, ccb)); 1696 } 1697 1698 int 1699 ips_getconf(struct ips_softc *sc, int flags) 1700 { 1701 struct ips_ccb *ccb; 1702 struct ips_cmd *cmd; 1703 1704 ccb = ips_ccb_get(sc); 1705 if (ccb == NULL) 1706 return (1); 1707 1708 ccb->c_flags = XS_CTL_DATA_IN | XS_CTL_POLL | flags; 1709 ccb->c_done = ips_done_mgmt; 1710 1711 cmd = ccb->c_cmdbva; 1712 cmd->code = IPS_CMD_READCONF; 1713 cmd->sgaddr = htole32(sc->sc_infom.dm_paddr + offsetof(struct ips_info, 1714 conf)); 1715 1716 return (ips_cmd(sc, ccb)); 1717 } 1718 1719 int 1720 ips_getpg5(struct ips_softc *sc, int flags) 1721 { 1722 struct ips_ccb *ccb; 1723 struct ips_cmd *cmd; 1724 1725 ccb = ips_ccb_get(sc); 1726 if (ccb == NULL) 1727 return (1); 1728 1729 ccb->c_flags = XS_CTL_DATA_IN | XS_CTL_POLL | flags; 1730 ccb->c_done = ips_done_mgmt; 1731 1732 cmd = ccb->c_cmdbva; 1733 cmd->code = IPS_CMD_RWNVRAM; 1734 cmd->drive = 5; 1735 cmd->sgaddr = htole32(sc->sc_infom.dm_paddr + offsetof(struct ips_info, 1736 pg5)); 1737 1738 return (ips_cmd(sc, ccb)); 1739 } 1740 1741 #if NBIO > 0 1742 int 1743 ips_getrblstat(struct ips_softc *sc, int flags) 1744 { 1745 struct ips_ccb *ccb; 1746 struct ips_cmd *cmd; 1747 1748 ccb = ips_ccb_get(sc); 1749 if (ccb == NULL) 1750 return (1); 1751 1752 ccb->c_flags = XS_CTL_DATA_IN | XS_CTL_POLL | flags; 1753 ccb->c_done = ips_done_mgmt; 1754 1755 cmd = ccb->c_cmdbva; 1756 cmd->code = IPS_CMD_REBUILDSTATUS; 1757 cmd->sgaddr = htole32(sc->sc_infom.dm_paddr + offsetof(struct ips_info, 1758 rblstat)); 1759 1760 return (ips_cmd(sc, ccb)); 1761 } 1762 1763 int 1764 ips_setstate(struct ips_softc *sc, int chan, int target, int state, int flags) 1765 { 1766 struct ips_ccb *ccb; 1767 struct ips_cmd *cmd; 1768 1769 ccb = ips_ccb_get(sc); 1770 if (ccb == NULL) 1771 return (1); 1772 1773 ccb->c_flags = XS_CTL_POLL | flags; 1774 ccb->c_done = ips_done_mgmt; 1775 1776 cmd = ccb->c_cmdbva; 1777 cmd->code = IPS_CMD_SETSTATE; 1778 cmd->drive = chan; 1779 cmd->sgcnt = target; 1780 cmd->seg4g = state; 1781 1782 return (ips_cmd(sc, ccb)); 1783 } 1784 1785 int 1786 ips_rebuild(struct ips_softc *sc, int chan, int target, int nchan, 1787 int ntarget, int flags) 1788 { 1789 struct ips_ccb *ccb; 1790 struct ips_cmd *cmd; 1791 1792 ccb = ips_ccb_get(sc); 1793 if (ccb == NULL) 1794 return (1); 1795 1796 ccb->c_flags = XS_CTL_POLL | flags; 1797 ccb->c_done = ips_done_mgmt; 1798 1799 cmd = ccb->c_cmdbva; 1800 cmd->code = IPS_CMD_REBUILD; 1801 cmd->drive = chan; 1802 cmd->sgcnt = target; 1803 cmd->seccnt = htole16(ntarget << 8 | nchan); 1804 1805 return (ips_cmd(sc, ccb)); 1806 } 1807 #endif /* NBIO > 0 */ 1808 1809 void 1810 ips_copperhead_exec(struct ips_softc *sc, struct ips_ccb *ccb) 1811 { 1812 u_int32_t reg; 1813 int timeout; 1814 1815 for (timeout = 100; timeout-- > 0; delay(100)) { 1816 reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IPS_REG_CCC); 1817 if ((reg & IPS_REG_CCC_SEM) == 0) 1818 break; 1819 } 1820 if (timeout < 0) { 1821 printf("%s: semaphore timeout\n", sc->sc_dev.dv_xname); 1822 return; 1823 } 1824 1825 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_CCSA, ccb->c_cmdbpa); 1826 bus_space_write_2(sc->sc_iot, sc->sc_ioh, IPS_REG_CCC, 1827 IPS_REG_CCC_START); 1828 } 1829 1830 void 1831 ips_copperhead_intren(struct ips_softc *sc) 1832 { 1833 bus_space_write_1(sc->sc_iot, sc->sc_ioh, IPS_REG_HIS, IPS_REG_HIS_EN); 1834 } 1835 1836 int 1837 ips_copperhead_isintr(struct ips_softc *sc) 1838 { 1839 u_int8_t reg; 1840 1841 reg = bus_space_read_1(sc->sc_iot, sc->sc_ioh, IPS_REG_HIS); 1842 bus_space_write_1(sc->sc_iot, sc->sc_ioh, IPS_REG_HIS, reg); 1843 if (reg != 0xff && (reg & IPS_REG_HIS_SCE)) 1844 return (1); 1845 1846 return (0); 1847 } 1848 1849 u_int32_t 1850 ips_copperhead_status(struct ips_softc *sc) 1851 { 1852 u_int32_t sqhead, sqtail, status; 1853 1854 sqhead = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQH); 1855 DPRINTF(IPS_D_XFER, ("%s: sqhead 0x%08x, sqtail 0x%08x\n", 1856 sc->sc_dev.dv_xname, sqhead, sc->sc_sqtail)); 1857 1858 sqtail = sc->sc_sqtail + sizeof(u_int32_t); 1859 if (sqtail == sc->sc_sqm.dm_paddr + IPS_SQSZ) 1860 sqtail = sc->sc_sqm.dm_paddr; 1861 if (sqtail == sqhead) 1862 return (0xffffffff); 1863 1864 sc->sc_sqtail = sqtail; 1865 if (++sc->sc_sqidx == IPS_MAXCMDS) 1866 sc->sc_sqidx = 0; 1867 status = htole32(sc->sc_sqbuf[sc->sc_sqidx]); 1868 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_SQT, sqtail); 1869 1870 return (status); 1871 } 1872 1873 void 1874 ips_morpheus_exec(struct ips_softc *sc, struct ips_ccb *ccb) 1875 { 1876 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_IQP, ccb->c_cmdbpa); 1877 } 1878 1879 void 1880 ips_morpheus_intren(struct ips_softc *sc) 1881 { 1882 u_int32_t reg; 1883 1884 reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IPS_REG_OIM); 1885 reg &= ~IPS_REG_OIM_DS; 1886 bus_space_write_4(sc->sc_iot, sc->sc_ioh, IPS_REG_OIM, reg); 1887 } 1888 1889 int 1890 ips_morpheus_isintr(struct ips_softc *sc) 1891 { 1892 return (bus_space_read_4(sc->sc_iot, sc->sc_ioh, IPS_REG_OIS) & 1893 IPS_REG_OIS_PEND); 1894 } 1895 1896 u_int32_t 1897 ips_morpheus_status(struct ips_softc *sc) 1898 { 1899 u_int32_t reg; 1900 1901 reg = bus_space_read_4(sc->sc_iot, sc->sc_ioh, IPS_REG_OQP); 1902 DPRINTF(IPS_D_XFER, ("%s: status 0x%08x\n", sc->sc_dev.dv_xname, reg)); 1903 1904 return (reg); 1905 } 1906 1907 struct ips_ccb * 1908 ips_ccb_alloc(struct ips_softc *sc, int n) 1909 { 1910 struct ips_ccb *ccb; 1911 int i; 1912 1913 ccb = malloc(n * sizeof(*ccb), M_DEVBUF, M_WAITOK | M_ZERO); 1914 for (i = 0; i < n; i++) { 1915 ccb[i].c_sc = sc; 1916 ccb[i].c_id = i; 1917 ccb[i].c_cmdbva = (char *)sc->sc_cmdbm.dm_vaddr + 1918 i * sizeof(struct ips_cmdb); 1919 ccb[i].c_cmdbpa = sc->sc_cmdbm.dm_paddr + 1920 i * sizeof(struct ips_cmdb); 1921 if (bus_dmamap_create(sc->sc_dmat, IPS_MAXFER, IPS_MAXSGS, 1922 IPS_MAXFER, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, 1923 &ccb[i].c_dmam)) 1924 goto fail; 1925 } 1926 1927 return (ccb); 1928 fail: 1929 for (; i > 0; i--) 1930 bus_dmamap_destroy(sc->sc_dmat, ccb[i - 1].c_dmam); 1931 free(ccb, M_DEVBUF); 1932 return (NULL); 1933 } 1934 1935 void 1936 ips_ccb_free(struct ips_softc *sc, struct ips_ccb *ccb, int n) 1937 { 1938 int i; 1939 1940 for (i = 0; i < n; i++) 1941 bus_dmamap_destroy(sc->sc_dmat, ccb[i - 1].c_dmam); 1942 free(ccb, M_DEVBUF); 1943 } 1944 1945 struct ips_ccb * 1946 ips_ccb_get(struct ips_softc *sc) 1947 { 1948 struct ips_ccb *ccb; 1949 1950 mutex_enter(&sc->sc_ccb_mtx); 1951 if ((ccb = SLIST_FIRST(&sc->sc_ccbq_free)) != NULL) { 1952 SLIST_REMOVE_HEAD(&sc->sc_ccbq_free, c_link); 1953 ccb->c_flags = 0; 1954 ccb->c_xfer = NULL; 1955 bzero(ccb->c_cmdbva, sizeof(struct ips_cmdb)); 1956 } 1957 mutex_exit(&sc->sc_ccb_mtx); 1958 1959 return (ccb); 1960 } 1961 1962 void 1963 ips_ccb_put(struct ips_softc *sc, struct ips_ccb *ccb) 1964 { 1965 ccb->c_state = IPS_CCB_FREE; 1966 mutex_enter(&sc->sc_ccb_mtx); 1967 SLIST_INSERT_HEAD(&sc->sc_ccbq_free, ccb, c_link); 1968 mutex_exit(&sc->sc_ccb_mtx); 1969 } 1970 1971 int 1972 ips_dmamem_alloc(struct dmamem *dm, bus_dma_tag_t tag, bus_size_t size) 1973 { 1974 int nsegs; 1975 1976 dm->dm_tag = tag; 1977 dm->dm_size = size; 1978 1979 if (bus_dmamap_create(tag, size, 1, size, 0, 1980 BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &dm->dm_map)) 1981 return (1); 1982 if (bus_dmamem_alloc(tag, size, 0, 0, &dm->dm_seg, 1, &nsegs, 1983 BUS_DMA_NOWAIT)) 1984 goto fail1; 1985 if (bus_dmamem_map(tag, &dm->dm_seg, 1, size, &dm->dm_vaddr, 1986 BUS_DMA_NOWAIT)) 1987 goto fail2; 1988 if (bus_dmamap_load(tag, dm->dm_map, dm->dm_vaddr, size, NULL, 1989 BUS_DMA_NOWAIT)) 1990 goto fail3; 1991 1992 return (0); 1993 1994 fail3: 1995 bus_dmamem_unmap(tag, dm->dm_vaddr, size); 1996 fail2: 1997 bus_dmamem_free(tag, &dm->dm_seg, 1); 1998 fail1: 1999 bus_dmamap_destroy(tag, dm->dm_map); 2000 return (1); 2001 } 2002 2003 void 2004 ips_dmamem_free(struct dmamem *dm) 2005 { 2006 bus_dmamap_unload(dm->dm_tag, dm->dm_map); 2007 bus_dmamem_unmap(dm->dm_tag, dm->dm_vaddr, dm->dm_size); 2008 bus_dmamem_free(dm->dm_tag, &dm->dm_seg, 1); 2009 bus_dmamap_destroy(dm->dm_tag, dm->dm_map); 2010 } 2011
Indexes created Mon Sep 22 13:09:51 GMT 2025