isp.c revision 1.48
1 /* $NetBSD: isp.c,v 1.48 2000/01/14 08:46:37 mjacob Exp $ */ 2 /* 3 * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /* 30 * Machine and OS Independent (well, as best as possible) 31 * code for the Qlogic ISP SCSI adapters. 32 * Matthew Jacob <mjacob (at) nas.nasa.gov> 33 */ 34 35 /* 36 * Inspiration and ideas about this driver are from Erik Moe's Linux driver 37 * (qlogicisp.c) and Dave Miller's SBus version of same (qlogicisp.c). Some 38 * ideas dredged from the Solaris driver. 39 */ 40 41 /* 42 * Include header file appropriate for platform we're building on. 43 */ 44 45 #ifdef __NetBSD__ 46 #include <dev/ic/isp_netbsd.h> 47 #endif 48 #ifdef __FreeBSD__ 49 #include <dev/isp/isp_freebsd.h> 50 #endif 51 #ifdef __OpenBSD__ 52 #include <dev/ic/isp_openbsd.h> 53 #endif 54 #ifdef __linux__ 55 #include "isp_linux.h" 56 #endif 57 58 /* 59 * General defines 60 */ 61 62 #define MBOX_DELAY_COUNT 1000000 / 100 63 64 /* 65 * Local static data 66 */ 67 68 /* 69 * Local function prototypes. 70 */ 71 static int isp_parse_async __P((struct ispsoftc *, int)); 72 static int isp_handle_other_response 73 __P((struct ispsoftc *, ispstatusreq_t *, u_int16_t *)); 74 static void isp_parse_status 75 __P((struct ispsoftc *, ispstatusreq_t *, ISP_SCSI_XFER_T *)); 76 static void isp_fastpost_complete __P((struct ispsoftc *, u_int32_t)); 77 static void isp_scsi_init __P((struct ispsoftc *)); 78 static void isp_scsi_channel_init __P((struct ispsoftc *, int)); 79 static void isp_fibre_init __P((struct ispsoftc *)); 80 static void isp_mark_getpdb_all __P((struct ispsoftc *)); 81 static int isp_getpdb __P((struct ispsoftc *, int, isp_pdb_t *)); 82 static u_int64_t isp_get_portname __P((struct ispsoftc *, int, int)); 83 static int isp_fclink_test __P((struct ispsoftc *, int)); 84 static int isp_same_lportdb __P((struct lportdb *, struct lportdb *)); 85 static int isp_pdb_sync __P((struct ispsoftc *, int)); 86 #ifdef ISP2100_FABRIC 87 static int isp_scan_fabric __P((struct ispsoftc *)); 88 #endif 89 static void isp_fw_state __P((struct ispsoftc *)); 90 static void isp_dumpregs __P((struct ispsoftc *, const char *)); 91 static void isp_mboxcmd __P((struct ispsoftc *, mbreg_t *)); 92 93 static void isp_update __P((struct ispsoftc *)); 94 static void isp_update_bus __P((struct ispsoftc *, int)); 95 static void isp_setdfltparm __P((struct ispsoftc *, int)); 96 static int isp_read_nvram __P((struct ispsoftc *)); 97 static void isp_rdnvram_word __P((struct ispsoftc *, int, u_int16_t *)); 98 99 /* 100 * Reset Hardware. 101 * 102 * Hit the chip over the head, download new f/w if available and set it running. 103 * 104 * Locking done elsewhere. 105 */ 106 void 107 isp_reset(isp) 108 struct ispsoftc *isp; 109 { 110 mbreg_t mbs; 111 int loops, i, dodnld = 1; 112 char *revname; 113 114 isp->isp_state = ISP_NILSTATE; 115 116 /* 117 * Basic types (SCSI, FibreChannel and PCI or SBus) 118 * have been set in the MD code. We figure out more 119 * here. 120 */ 121 isp->isp_dblev = DFLT_DBLEVEL; 122 123 /* 124 * After we've fired this chip up, zero out the conf1 register 125 * for SCSI adapters and other settings for the 2100. 126 */ 127 128 /* 129 * Get the current running firmware revision out of the 130 * chip before we hit it over the head (if this is our 131 * first time through). Note that we store this as the 132 * 'ROM' firmware revision- which it may not be. In any 133 * case, we don't really use this yet, but we may in 134 * the future. 135 */ 136 if (isp->isp_touched == 0) { 137 /* 138 * Just in case it was paused... 139 */ 140 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); 141 mbs.param[0] = MBOX_ABOUT_FIRMWARE; 142 isp_mboxcmd(isp, &mbs); 143 /* 144 * If this fails, it probably means we're running 145 * an old prom, if anything at all... 146 */ 147 if (mbs.param[0] == MBOX_COMMAND_COMPLETE) { 148 isp->isp_romfw_rev[0] = mbs.param[1]; 149 isp->isp_romfw_rev[1] = mbs.param[2]; 150 isp->isp_romfw_rev[2] = mbs.param[3]; 151 } 152 isp->isp_touched = 1; 153 } 154 155 DISABLE_INTS(isp); 156 157 /* 158 * Put the board into PAUSE mode (so we can read the SXP registers). 159 */ 160 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE); 161 162 if (IS_FC(isp)) { 163 revname = "2X00"; 164 switch (isp->isp_type) { 165 case ISP_HA_FC_2100: 166 revname[1] = '1'; 167 break; 168 case ISP_HA_FC_2200: 169 revname[1] = '2'; 170 break; 171 default: 172 break; 173 } 174 } else if (IS_1240(isp)) { 175 sdparam *sdp = isp->isp_param; 176 revname = "1240"; 177 isp->isp_clock = 60; 178 sdp->isp_ultramode = 1; 179 sdp++; 180 sdp->isp_ultramode = 1; 181 /* 182 * XXX: Should probably do some bus sensing. 183 */ 184 } else if (IS_ULTRA2(isp)) { 185 static char *m = "%s: bus %d is in %s Mode\n"; 186 u_int16_t l; 187 sdparam *sdp = isp->isp_param; 188 189 isp->isp_clock = 100; 190 191 revname = "1080"; 192 l = ISP_READ(isp, SXP_PINS_DIFF) & ISP1080_MODE_MASK; 193 switch (l) { 194 case ISP1080_LVD_MODE: 195 sdp->isp_lvdmode = 1; 196 CFGPRINTF(m, isp->isp_name, 0, "LVD"); 197 break; 198 case ISP1080_HVD_MODE: 199 sdp->isp_diffmode = 1; 200 CFGPRINTF(m, isp->isp_name, 0, "Differential"); 201 break; 202 case ISP1080_SE_MODE: 203 sdp->isp_ultramode = 1; 204 CFGPRINTF(m, isp->isp_name, 0, "Single-Ended"); 205 break; 206 default: 207 CFGPRINTF("%s: unknown mode on bus %d (0x%x)\n", 208 isp->isp_name, 0, l); 209 break; 210 } 211 212 if (IS_1280(isp)) { 213 sdp++; 214 revname[1] = '2'; 215 l = ISP_READ(isp, SXP_PINS_DIFF|SXP_BANK1_SELECT); 216 l &= ISP1080_MODE_MASK; 217 switch(l) { 218 case ISP1080_LVD_MODE: 219 sdp->isp_lvdmode = 1; 220 CFGPRINTF(m, isp->isp_name, 1, "LVD"); 221 break; 222 case ISP1080_HVD_MODE: 223 sdp->isp_diffmode = 1; 224 CFGPRINTF(m, isp->isp_name, 1, "Differential"); 225 break; 226 case ISP1080_SE_MODE: 227 sdp->isp_ultramode = 1; 228 CFGPRINTF(m, isp->isp_name, 1, "Single-Ended"); 229 break; 230 default: 231 CFGPRINTF("%s: unknown mode on bus %d (0x%x)\n", 232 isp->isp_name, 1, l); 233 break; 234 } 235 } 236 } else { 237 sdparam *sdp = isp->isp_param; 238 i = ISP_READ(isp, BIU_CONF0) & BIU_CONF0_HW_MASK; 239 switch (i) { 240 default: 241 PRINTF("%s: unknown chip rev. 0x%x- assuming a 1020\n", 242 isp->isp_name, i); 243 /* FALLTHROUGH */ 244 case 1: 245 revname = "1020"; 246 isp->isp_type = ISP_HA_SCSI_1020; 247 isp->isp_clock = 40; 248 break; 249 case 2: 250 /* 251 * Some 1020A chips are Ultra Capable, but don't 252 * run the clock rate up for that unless told to 253 * do so by the Ultra Capable bits being set. 254 */ 255 revname = "1020A"; 256 isp->isp_type = ISP_HA_SCSI_1020A; 257 isp->isp_clock = 40; 258 break; 259 case 3: 260 revname = "1040"; 261 isp->isp_type = ISP_HA_SCSI_1040; 262 isp->isp_clock = 60; 263 break; 264 case 4: 265 revname = "1040A"; 266 isp->isp_type = ISP_HA_SCSI_1040A; 267 isp->isp_clock = 60; 268 break; 269 case 5: 270 revname = "1040B"; 271 isp->isp_type = ISP_HA_SCSI_1040B; 272 isp->isp_clock = 60; 273 break; 274 case 6: 275 revname = "1040C"; 276 isp->isp_type = ISP_HA_SCSI_1040C; 277 isp->isp_clock = 60; 278 break; 279 } 280 /* 281 * Now, while we're at it, gather info about ultra 282 * and/or differential mode. 283 */ 284 if (ISP_READ(isp, SXP_PINS_DIFF) & SXP_PINS_DIFF_MODE) { 285 CFGPRINTF("%s: Differential Mode\n", isp->isp_name); 286 sdp->isp_diffmode = 1; 287 } else { 288 sdp->isp_diffmode = 0; 289 } 290 i = ISP_READ(isp, RISC_PSR); 291 if (isp->isp_bustype == ISP_BT_SBUS) { 292 i &= RISC_PSR_SBUS_ULTRA; 293 } else { 294 i &= RISC_PSR_PCI_ULTRA; 295 } 296 if (i != 0) { 297 CFGPRINTF("%s: Ultra Mode Capable\n", isp->isp_name); 298 sdp->isp_ultramode = 1; 299 /* 300 * If we're in Ultra Mode, we have to be 60Mhz clock- 301 * even for the SBus version. 302 */ 303 isp->isp_clock = 60; 304 } else { 305 sdp->isp_ultramode = 0; 306 /* 307 * Clock is known. Gronk. 308 */ 309 } 310 311 /* 312 * Machine dependent clock (if set) overrides 313 * our generic determinations. 314 */ 315 if (isp->isp_mdvec->dv_clock) { 316 if (isp->isp_mdvec->dv_clock < isp->isp_clock) { 317 isp->isp_clock = isp->isp_mdvec->dv_clock; 318 } 319 } 320 321 } 322 323 /* 324 * Do MD specific pre initialization 325 */ 326 ISP_RESET0(isp); 327 328 again: 329 330 /* 331 * Hit the chip over the head with hammer, 332 * and give the ISP a chance to recover. 333 */ 334 335 if (IS_SCSI(isp)) { 336 ISP_WRITE(isp, BIU_ICR, BIU_ICR_SOFT_RESET); 337 /* 338 * A slight delay... 339 */ 340 SYS_DELAY(100); 341 342 #if 0 343 PRINTF("%s: mbox0-5: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", 344 isp->isp_name, ISP_READ(isp, OUTMAILBOX0), 345 ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2), 346 ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4), 347 ISP_READ(isp, OUTMAILBOX5)); 348 #endif 349 350 /* 351 * Clear data && control DMA engines. 352 */ 353 ISP_WRITE(isp, CDMA_CONTROL, 354 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT); 355 ISP_WRITE(isp, DDMA_CONTROL, 356 DMA_CNTRL_CLEAR_CHAN | DMA_CNTRL_RESET_INT); 357 358 359 } else { 360 ISP_WRITE(isp, BIU2100_CSR, BIU2100_SOFT_RESET); 361 /* 362 * A slight delay... 363 */ 364 SYS_DELAY(100); 365 366 /* 367 * Clear data && control DMA engines. 368 */ 369 ISP_WRITE(isp, CDMA2100_CONTROL, 370 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT); 371 ISP_WRITE(isp, TDMA2100_CONTROL, 372 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT); 373 ISP_WRITE(isp, RDMA2100_CONTROL, 374 DMA_CNTRL2100_CLEAR_CHAN | DMA_CNTRL2100_RESET_INT); 375 } 376 377 /* 378 * Wait for ISP to be ready to go... 379 */ 380 loops = MBOX_DELAY_COUNT; 381 for (;;) { 382 if (IS_SCSI(isp)) { 383 if (!(ISP_READ(isp, BIU_ICR) & BIU_ICR_SOFT_RESET)) 384 break; 385 } else { 386 if (!(ISP_READ(isp, BIU2100_CSR) & BIU2100_SOFT_RESET)) 387 break; 388 } 389 SYS_DELAY(100); 390 if (--loops < 0) { 391 isp_dumpregs(isp, "chip reset timed out"); 392 return; 393 } 394 } 395 396 /* 397 * After we've fired this chip up, zero out the conf1 register 398 * for SCSI adapters and other settings for the 2100. 399 */ 400 401 if (IS_SCSI(isp)) { 402 ISP_WRITE(isp, BIU_CONF1, 0); 403 } else { 404 ISP_WRITE(isp, BIU2100_CSR, 0); 405 } 406 407 /* 408 * Reset RISC Processor 409 */ 410 ISP_WRITE(isp, HCCR, HCCR_CMD_RESET); 411 SYS_DELAY(100); 412 413 /* 414 * Establish some initial burst rate stuff. 415 * (only for the 1XX0 boards). This really should 416 * be done later after fetching from NVRAM. 417 */ 418 if (IS_SCSI(isp)) { 419 u_int16_t tmp = isp->isp_mdvec->dv_conf1; 420 /* 421 * Busted FIFO. Turn off all but burst enables. 422 */ 423 if (isp->isp_type == ISP_HA_SCSI_1040A) { 424 tmp &= BIU_BURST_ENABLE; 425 } 426 ISP_SETBITS(isp, BIU_CONF1, tmp); 427 if (tmp & BIU_BURST_ENABLE) { 428 ISP_SETBITS(isp, CDMA_CONF, DMA_ENABLE_BURST); 429 ISP_SETBITS(isp, DDMA_CONF, DMA_ENABLE_BURST); 430 } 431 #ifdef PTI_CARDS 432 if (((sdparam *) isp->isp_param)->isp_ultramode) { 433 while (ISP_READ(isp, RISC_MTR) != 0x1313) { 434 ISP_WRITE(isp, RISC_MTR, 0x1313); 435 ISP_WRITE(isp, HCCR, HCCR_CMD_STEP); 436 } 437 } else { 438 ISP_WRITE(isp, RISC_MTR, 0x1212); 439 } 440 /* 441 * PTI specific register 442 */ 443 ISP_WRITE(isp, RISC_EMB, DUAL_BANK) 444 #else 445 ISP_WRITE(isp, RISC_MTR, 0x1212); 446 #endif 447 } else { 448 ISP_WRITE(isp, RISC_MTR2100, 0x1212); 449 } 450 451 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); /* release paused processor */ 452 453 /* 454 * Do MD specific post initialization 455 */ 456 ISP_RESET1(isp); 457 458 /* 459 * Wait for everything to finish firing up... 460 */ 461 loops = MBOX_DELAY_COUNT; 462 while (ISP_READ(isp, OUTMAILBOX0) == MBOX_BUSY) { 463 SYS_DELAY(100); 464 if (--loops < 0) { 465 PRINTF("%s: MBOX_BUSY never cleared on reset\n", 466 isp->isp_name); 467 return; 468 } 469 } 470 471 /* 472 * Up until this point we've done everything by just reading or 473 * setting registers. From this point on we rely on at least *some* 474 * kind of firmware running in the card. 475 */ 476 477 /* 478 * Do some sanity checking. 479 */ 480 mbs.param[0] = MBOX_NO_OP; 481 isp_mboxcmd(isp, &mbs); 482 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 483 isp_dumpregs(isp, "NOP test failed"); 484 return; 485 } 486 487 if (IS_SCSI(isp)) { 488 mbs.param[0] = MBOX_MAILBOX_REG_TEST; 489 mbs.param[1] = 0xdead; 490 mbs.param[2] = 0xbeef; 491 mbs.param[3] = 0xffff; 492 mbs.param[4] = 0x1111; 493 mbs.param[5] = 0xa5a5; 494 isp_mboxcmd(isp, &mbs); 495 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 496 isp_dumpregs(isp, 497 "Mailbox Register test didn't complete"); 498 return; 499 } 500 if (mbs.param[1] != 0xdead || mbs.param[2] != 0xbeef || 501 mbs.param[3] != 0xffff || mbs.param[4] != 0x1111 || 502 mbs.param[5] != 0xa5a5) { 503 isp_dumpregs(isp, "Register Test Failed"); 504 return; 505 } 506 507 } 508 509 /* 510 * Download new Firmware, unless requested not to do so. 511 * This is made slightly trickier in some cases where the 512 * firmware of the ROM revision is newer than the revision 513 * compiled into the driver. So, where we used to compare 514 * versions of our f/w and the ROM f/w, now we just see 515 * whether we have f/w at all and whether a config flag 516 * has disabled our download. 517 */ 518 if ((isp->isp_mdvec->dv_ispfw == NULL) || 519 (isp->isp_confopts & ISP_CFG_NORELOAD)) { 520 dodnld = 0; 521 } 522 523 if (dodnld) { 524 u_int16_t fwlen = isp->isp_mdvec->dv_fwlen; 525 if (fwlen == 0) 526 fwlen = isp->isp_mdvec->dv_ispfw[3]; /* usually here */ 527 for (i = 0; i < fwlen; i++) { 528 mbs.param[0] = MBOX_WRITE_RAM_WORD; 529 mbs.param[1] = isp->isp_mdvec->dv_codeorg + i; 530 mbs.param[2] = isp->isp_mdvec->dv_ispfw[i]; 531 isp_mboxcmd(isp, &mbs); 532 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 533 PRINTF("%s: F/W download failed at word %d\n", 534 isp->isp_name, i); 535 dodnld = 0; 536 goto again; 537 } 538 } 539 540 /* 541 * Verify that it downloaded correctly. 542 */ 543 mbs.param[0] = MBOX_VERIFY_CHECKSUM; 544 mbs.param[1] = isp->isp_mdvec->dv_codeorg; 545 isp_mboxcmd(isp, &mbs); 546 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 547 isp_dumpregs(isp, "ram checksum failure"); 548 return; 549 } 550 } else { 551 IDPRINTF(3, ("%s: skipping f/w download\n", isp->isp_name)); 552 } 553 554 /* 555 * Now start it rolling. 556 * 557 * If we didn't actually download f/w, 558 * we still need to (re)start it. 559 */ 560 561 mbs.param[0] = MBOX_EXEC_FIRMWARE; 562 if (isp->isp_mdvec->dv_codeorg) 563 mbs.param[1] = isp->isp_mdvec->dv_codeorg; 564 else 565 mbs.param[1] = 0x1000; 566 isp_mboxcmd(isp, &mbs); 567 568 if (IS_SCSI(isp)) { 569 /* 570 * Set CLOCK RATE, but only if asked to. 571 */ 572 if (isp->isp_clock) { 573 mbs.param[0] = MBOX_SET_CLOCK_RATE; 574 mbs.param[1] = isp->isp_clock; 575 isp_mboxcmd(isp, &mbs); 576 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 577 PRINTF("failed to set clockrate (0x%x)\n", 578 mbs.param[0]); 579 /* but continue */ 580 } 581 } 582 } 583 mbs.param[0] = MBOX_ABOUT_FIRMWARE; 584 isp_mboxcmd(isp, &mbs); 585 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 586 PRINTF("could not get f/w started (0x%x)\n", mbs.param[0]); 587 return; 588 } 589 CFGPRINTF("%s: Board Revision %s, %s F/W Revision %d.%d.%d\n", 590 isp->isp_name, revname, dodnld? "loaded" : "resident", 591 mbs.param[1], mbs.param[2], mbs.param[3]); 592 if (IS_FC(isp)) { 593 if (ISP_READ(isp, BIU2100_CSR) & BIU2100_PCI64) { 594 CFGPRINTF("%s: in 64-Bit PCI slot\n", isp->isp_name); 595 } 596 } 597 598 isp->isp_fwrev[0] = mbs.param[1]; 599 isp->isp_fwrev[1] = mbs.param[2]; 600 isp->isp_fwrev[2] = mbs.param[3]; 601 if (isp->isp_romfw_rev[0] || isp->isp_romfw_rev[1] || 602 isp->isp_romfw_rev[2]) { 603 CFGPRINTF("%s: Last F/W revision was %d.%d.%d\n", isp->isp_name, 604 isp->isp_romfw_rev[0], isp->isp_romfw_rev[1], 605 isp->isp_romfw_rev[2]); 606 } 607 608 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS; 609 isp_mboxcmd(isp, &mbs); 610 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 611 PRINTF("%s: could not GET FIRMWARE STATUS\n", isp->isp_name); 612 return; 613 } 614 isp->isp_maxcmds = mbs.param[2]; 615 CFGPRINTF("%s: %d max I/O commands supported\n", 616 isp->isp_name, mbs.param[2]); 617 isp_fw_state(isp); 618 619 /* 620 * Set up DMA for the request and result mailboxes. 621 */ 622 if (ISP_MBOXDMASETUP(isp) != 0) { 623 PRINTF("%s: can't setup dma mailboxes\n", isp->isp_name); 624 return; 625 } 626 isp->isp_state = ISP_RESETSTATE; 627 } 628 629 /* 630 * Initialize Parameters of Hardware to a known state. 631 * 632 * Locks are held before coming here. 633 */ 634 635 void 636 isp_init(isp) 637 struct ispsoftc *isp; 638 { 639 /* 640 * Must do this first to get defaults established. 641 */ 642 isp_setdfltparm(isp, 0); 643 if (IS_DUALBUS(isp)) { 644 isp_setdfltparm(isp, 1); 645 } 646 647 if (IS_FC(isp)) { 648 isp_fibre_init(isp); 649 } else { 650 isp_scsi_init(isp); 651 } 652 } 653 654 static void 655 isp_scsi_init(isp) 656 struct ispsoftc *isp; 657 { 658 sdparam *sdp_chan0, *sdp_chan1; 659 mbreg_t mbs; 660 661 sdp_chan0 = isp->isp_param; 662 sdp_chan1 = sdp_chan0; 663 if (IS_DUALBUS(isp)) { 664 sdp_chan1++; 665 } 666 667 /* First do overall per-card settings. */ 668 669 /* 670 * If we have fast memory timing enabled, turn it on. 671 */ 672 if (isp->isp_fast_mttr) { 673 ISP_WRITE(isp, RISC_MTR, 0x1313); 674 } 675 676 /* 677 * Set Retry Delay and Count. 678 * You set both channels at the same time. 679 */ 680 mbs.param[0] = MBOX_SET_RETRY_COUNT; 681 mbs.param[1] = sdp_chan0->isp_retry_count; 682 mbs.param[2] = sdp_chan0->isp_retry_delay; 683 mbs.param[6] = sdp_chan1->isp_retry_count; 684 mbs.param[7] = sdp_chan1->isp_retry_delay; 685 686 isp_mboxcmd(isp, &mbs); 687 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 688 PRINTF("%s: failed to set retry count and retry delay\n", 689 isp->isp_name); 690 return; 691 } 692 693 /* 694 * Set ASYNC DATA SETUP time. This is very important. 695 */ 696 mbs.param[0] = MBOX_SET_ASYNC_DATA_SETUP_TIME; 697 mbs.param[1] = sdp_chan0->isp_async_data_setup; 698 mbs.param[2] = sdp_chan1->isp_async_data_setup; 699 isp_mboxcmd(isp, &mbs); 700 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 701 PRINTF("%s: failed to set asynchronous data setup time\n", 702 isp->isp_name); 703 return; 704 } 705 706 /* 707 * Set ACTIVE Negation State. 708 */ 709 mbs.param[0] = MBOX_SET_ACT_NEG_STATE; 710 mbs.param[1] = 711 (sdp_chan0->isp_req_ack_active_neg << 4) | 712 (sdp_chan0->isp_data_line_active_neg << 5); 713 mbs.param[2] = 714 (sdp_chan1->isp_req_ack_active_neg << 4) | 715 (sdp_chan1->isp_data_line_active_neg << 5); 716 717 isp_mboxcmd(isp, &mbs); 718 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 719 PRINTF("%s: failed to set active negation state " 720 "(%d,%d),(%d,%d)\n", isp->isp_name, 721 sdp_chan0->isp_req_ack_active_neg, 722 sdp_chan0->isp_data_line_active_neg, 723 sdp_chan1->isp_req_ack_active_neg, 724 sdp_chan1->isp_data_line_active_neg); 725 /* 726 * But don't return. 727 */ 728 } 729 730 /* 731 * Set the Tag Aging limit 732 */ 733 mbs.param[0] = MBOX_SET_TAG_AGE_LIMIT; 734 mbs.param[1] = sdp_chan0->isp_tag_aging; 735 mbs.param[2] = sdp_chan1->isp_tag_aging; 736 isp_mboxcmd(isp, &mbs); 737 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 738 PRINTF("%s: failed to set tag age limit (%d,%d)\n", 739 isp->isp_name, sdp_chan0->isp_tag_aging, 740 sdp_chan1->isp_tag_aging); 741 return; 742 } 743 744 /* 745 * Set selection timeout. 746 */ 747 mbs.param[0] = MBOX_SET_SELECT_TIMEOUT; 748 mbs.param[1] = sdp_chan0->isp_selection_timeout; 749 mbs.param[2] = sdp_chan1->isp_selection_timeout; 750 isp_mboxcmd(isp, &mbs); 751 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 752 PRINTF("%s: failed to set selection timeout\n", isp->isp_name); 753 return; 754 } 755 756 /* now do per-channel settings */ 757 isp_scsi_channel_init(isp, 0); 758 if (IS_DUALBUS(isp)) 759 isp_scsi_channel_init(isp, 1); 760 761 /* 762 * Now enable request/response queues 763 */ 764 765 mbs.param[0] = MBOX_INIT_RES_QUEUE; 766 mbs.param[1] = RESULT_QUEUE_LEN; 767 mbs.param[2] = DMA_MSW(isp->isp_result_dma); 768 mbs.param[3] = DMA_LSW(isp->isp_result_dma); 769 mbs.param[4] = 0; 770 mbs.param[5] = 0; 771 isp_mboxcmd(isp, &mbs); 772 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 773 PRINTF("%s: set of response queue failed\n", isp->isp_name); 774 return; 775 } 776 isp->isp_residx = 0; 777 778 mbs.param[0] = MBOX_INIT_REQ_QUEUE; 779 mbs.param[1] = RQUEST_QUEUE_LEN; 780 mbs.param[2] = DMA_MSW(isp->isp_rquest_dma); 781 mbs.param[3] = DMA_LSW(isp->isp_rquest_dma); 782 mbs.param[4] = 0; 783 mbs.param[5] = 0; 784 isp_mboxcmd(isp, &mbs); 785 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 786 PRINTF("%s: set of request queue failed\n", isp->isp_name); 787 return; 788 } 789 isp->isp_reqidx = isp->isp_reqodx = 0; 790 791 /* 792 * Turn on Fast Posting, LVD transitions 793 * 794 * Ultra2 F/W always has had fast posting (and LVD transitions) 795 * 796 * Ultra and older (i.e., SBus) cards may not. Assume SBus cards 797 * do not, and only guess that 4.55.0 <= x < 5.0.0 (initiator 798 * only) and x >= 7.55 (initiator/target) has fast posting. 799 */ 800 801 mbs.param[0] = MBOX_SET_FW_FEATURES; 802 mbs.param[1] = 0; 803 if (IS_ULTRA2(isp)) 804 mbs.param[1] |= FW_FEATURE_LVD_NOTIFY; 805 #ifndef ISP_NO_FASTPOST_SCSI 806 if ((ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(4, 55, 0) && 807 (ISP_FW_REVX(isp->isp_fwrev) < ISP_FW_REV(5, 0, 0))) || 808 (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))) { 809 mbs.param[1] |= FW_FEATURE_FAST_POST; 810 } 811 #endif 812 if (mbs.param[1] != 0) { 813 u_int16_t sfeat = mbs.param[1]; 814 isp_mboxcmd(isp, &mbs); 815 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 816 PRINTF("%s: cannot enable FW features (0x%x)\n", 817 isp->isp_name, sfeat); 818 } else { 819 CFGPRINTF("%s: enabled FW features (0x%x)\n", 820 isp->isp_name, sfeat); 821 } 822 } 823 824 /* 825 * Let the outer layers decide whether to issue a SCSI bus reset. 826 */ 827 isp->isp_state = ISP_INITSTATE; 828 } 829 830 static void 831 isp_scsi_channel_init(isp, channel) 832 struct ispsoftc *isp; 833 int channel; 834 { 835 sdparam *sdp; 836 mbreg_t mbs; 837 int tgt; 838 839 sdp = isp->isp_param; 840 sdp += channel; 841 842 /* 843 * Set (possibly new) Initiator ID. 844 */ 845 mbs.param[0] = MBOX_SET_INIT_SCSI_ID; 846 mbs.param[1] = (channel << 7) | sdp->isp_initiator_id; 847 isp_mboxcmd(isp, &mbs); 848 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 849 PRINTF("%s: cannot set initiator id on bus %d to %d\n", 850 isp->isp_name, channel, sdp->isp_initiator_id); 851 return; 852 } 853 854 /* 855 * Set current per-target parameters to a safe minimum. 856 */ 857 for (tgt = 0; tgt < MAX_TARGETS; tgt++) { 858 int maxlun, lun; 859 u_int16_t sdf; 860 861 if (sdp->isp_devparam[tgt].dev_enable == 0) { 862 IDPRINTF(1, ("%s: skipping target %d bus %d settings\n", 863 isp->isp_name, tgt, channel)); 864 continue; 865 } 866 867 /* 868 * If we're in LVD mode, then we pretty much should 869 * only disable tagged queuing. 870 */ 871 if (IS_ULTRA2(isp) && sdp->isp_lvdmode) { 872 sdf = DPARM_DEFAULT & ~DPARM_TQING; 873 } else { 874 int rvf = ISP_FW_REVX(isp->isp_fwrev); 875 sdf = DPARM_SAFE_DFLT; 876 877 /* 878 * It is not quite clear when this changed over so that 879 * we could force narrow and async, so assume >= 7.55 880 * for i/t F/W and = 4.55 for initiator f/w. 881 */ 882 if ((ISP_FW_REV(4, 55, 0) <= rvf && 883 (ISP_FW_REV(5, 0, 0) > rvf)) || 884 (ISP_FW_REV(7, 55, 0) <= rvf)) { 885 sdf |= DPARM_NARROW | DPARM_ASYNC; 886 } 887 } 888 mbs.param[0] = MBOX_SET_TARGET_PARAMS; 889 mbs.param[1] = (tgt << 8) | (channel << 15); 890 mbs.param[2] = sdf; 891 mbs.param[3] = 892 (sdp->isp_devparam[tgt].sync_offset << 8) | 893 (sdp->isp_devparam[tgt].sync_period); 894 isp_mboxcmd(isp, &mbs); 895 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 896 sdf = DPARM_SAFE_DFLT; 897 mbs.param[0] = MBOX_SET_TARGET_PARAMS; 898 mbs.param[1] = (tgt << 8) | (channel << 15); 899 mbs.param[2] = sdf; 900 mbs.param[3] = 901 (sdp->isp_devparam[tgt].sync_offset << 8) | 902 (sdp->isp_devparam[tgt].sync_period); 903 isp_mboxcmd(isp, &mbs); 904 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 905 PRINTF("%s: failed even to set defaults for " 906 "target %d\n", isp->isp_name, tgt); 907 continue; 908 } 909 } 910 911 #if 0 912 /* 913 * We don't update dev_flags with what we've set 914 * because that's not the ultimate goal setting. 915 * If we succeed with the command, we *do* update 916 * cur_dflags by getting target parameters. 917 */ 918 mbs.param[0] = MBOX_GET_TARGET_PARAMS; 919 mbs.param[1] = (tgt << 8) | (channel << 15); 920 isp_mboxcmd(isp, &mbs); 921 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 922 /* 923 * Urrr.... We'll set cur_dflags to DPARM_SAFE_DFLT so 924 * we don't try and do tags if tags aren't enabled. 925 */ 926 sdp->isp_devparam[tgt].cur_dflags = DPARM_SAFE_DFLT; 927 } else { 928 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2]; 929 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8; 930 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff; 931 } 932 IDPRINTF(3, ("%s: set flags 0x%x got 0x%x back for target %d\n", 933 isp->isp_name, sdf, mbs.param[2], tgt)); 934 935 #else 936 /* 937 * We don't update any information because we need to run 938 * at least one command per target to cause a new state 939 * to be latched. 940 */ 941 #endif 942 /* 943 * Ensure that we don't believe tagged queuing is enabled yet. 944 * It turns out that sometimes the ISP just ignores our 945 * attempts to set parameters for devices that it hasn't 946 * seen yet. 947 */ 948 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING; 949 if ((ISP_FW_REV(4, 55, 0) <= ISP_FW_REVX(isp->isp_fwrev) && 950 (ISP_FW_REV(5, 0, 0) > ISP_FW_REVX(isp->isp_fwrev))) || 951 (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(7, 55, 0))) 952 maxlun = 32; 953 else 954 maxlun = 8; 955 for (lun = 0; lun < maxlun; lun++) { 956 mbs.param[0] = MBOX_SET_DEV_QUEUE_PARAMS; 957 mbs.param[1] = (channel << 15) | (tgt << 8) | lun; 958 mbs.param[2] = sdp->isp_max_queue_depth; 959 mbs.param[3] = sdp->isp_devparam[tgt].exc_throttle; 960 isp_mboxcmd(isp, &mbs); 961 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 962 PRINTF("%s: failed to set device queue " 963 "parameters for target %d, lun %d\n", 964 isp->isp_name, tgt, lun); 965 break; 966 } 967 } 968 } 969 } 970 971 /* 972 * Fibre Channel specific initialization. 973 * 974 * Locks are held before coming here. 975 */ 976 static void 977 isp_fibre_init(isp) 978 struct ispsoftc *isp; 979 { 980 fcparam *fcp; 981 isp_icb_t *icbp; 982 mbreg_t mbs; 983 int loopid; 984 985 fcp = isp->isp_param; 986 987 /* 988 * For systems that don't have BIOS methods for which 989 * we can easily change the NVRAM based loopid, we'll 990 * override that here. Note that when we initialize 991 * the firmware we may get back a different loopid than 992 * we asked for anyway. XXX This is probably not the 993 * best way to figure this out XXX 994 */ 995 #ifndef __i386__ 996 loopid = DEFAULT_LOOPID(isp); 997 #else 998 loopid = fcp->isp_loopid; 999 #endif 1000 1001 icbp = (isp_icb_t *) fcp->isp_scratch; 1002 MEMZERO(icbp, sizeof (*icbp)); 1003 1004 icbp->icb_version = ICB_VERSION1; 1005 #ifdef ISP_TARGET_MODE 1006 fcp->isp_fwoptions = ICBOPT_TGT_ENABLE; 1007 #else 1008 fcp->isp_fwoptions = 0; 1009 #endif 1010 fcp->isp_fwoptions |= ICBOPT_FAIRNESS; 1011 /* 1012 * If this is a 2100 < revision 5, we have to turn off FAIRNESS. 1013 */ 1014 if ((isp->isp_type == ISP_HA_FC_2100) && isp->isp_revision < 5) { 1015 fcp->isp_fwoptions &= ~ICBOPT_FAIRNESS; 1016 } 1017 fcp->isp_fwoptions |= ICBOPT_PDBCHANGE_AE; 1018 fcp->isp_fwoptions |= ICBOPT_HARD_ADDRESS; 1019 /* 1020 * We have to use FULL LOGIN even though it resets the loop too much 1021 * because otherwise port database entries don't get updated after 1022 * a LIP- this is a known f/w bug. 1023 */ 1024 if (ISP_FW_REVX(isp->isp_fwrev) < ISP_FW_REV(1, 17, 0)) { 1025 fcp->isp_fwoptions |= ICBOPT_FULL_LOGIN; 1026 } 1027 #ifndef ISP_NO_FASTPOST_FC 1028 fcp->isp_fwoptions |= ICBOPT_FAST_POST; 1029 #endif 1030 if (isp->isp_confopts & ISP_CFG_FULL_DUPLEX) 1031 fcp->isp_fwoptions |= ICBOPT_FULL_DUPLEX; 1032 1033 /* 1034 * We don't set ICBOPT_PORTNAME because we want our 1035 * Node Name && Port Names to be distinct. 1036 */ 1037 1038 icbp->icb_fwoptions = fcp->isp_fwoptions; 1039 icbp->icb_maxfrmlen = fcp->isp_maxfrmlen; 1040 if (icbp->icb_maxfrmlen < ICB_MIN_FRMLEN || 1041 icbp->icb_maxfrmlen > ICB_MAX_FRMLEN) { 1042 PRINTF("%s: bad frame length (%d) from NVRAM- using %d\n", 1043 isp->isp_name, fcp->isp_maxfrmlen, ICB_DFLT_FRMLEN); 1044 icbp->icb_maxfrmlen = ICB_DFLT_FRMLEN; 1045 } 1046 icbp->icb_maxalloc = fcp->isp_maxalloc; 1047 if (icbp->icb_maxalloc < 1) { 1048 PRINTF("%s: bad maximum allocation (%d)- using 16\n", 1049 isp->isp_name, fcp->isp_maxalloc); 1050 icbp->icb_maxalloc = 16; 1051 } 1052 icbp->icb_execthrottle = fcp->isp_execthrottle; 1053 if (icbp->icb_execthrottle < 1) { 1054 PRINTF("%s: bad execution throttle of %d- using 16\n", 1055 isp->isp_name, fcp->isp_execthrottle); 1056 icbp->icb_execthrottle = ICB_DFLT_THROTTLE; 1057 } 1058 icbp->icb_retry_delay = fcp->isp_retry_delay; 1059 icbp->icb_retry_count = fcp->isp_retry_count; 1060 icbp->icb_hardaddr = loopid; 1061 icbp->icb_logintime = 60; /* 60 second login timeout */ 1062 1063 if (fcp->isp_nodewwn) { 1064 u_int64_t pn; 1065 MAKE_NODE_NAME_FROM_WWN(icbp->icb_nodename, fcp->isp_nodewwn); 1066 if (fcp->isp_portwwn) { 1067 pn = fcp->isp_portwwn; 1068 } else { 1069 pn = fcp->isp_nodewwn | 1070 (((u_int64_t)(isp->isp_unit+1)) << 56); 1071 } 1072 /* 1073 * If the top nibble is 2, we can construct a port name 1074 * from the node name by setting a nonzero instance in 1075 * bits 56..59. Otherwise, we need to make it identical 1076 * to Node name... 1077 */ 1078 if ((fcp->isp_nodewwn >> 60) == 2) { 1079 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, pn); 1080 } else { 1081 MAKE_NODE_NAME_FROM_WWN(icbp->icb_portname, 1082 fcp->isp_nodewwn); 1083 } 1084 } else { 1085 fcp->isp_fwoptions &= ~(ICBOPT_USE_PORTNAME|ICBOPT_FULL_LOGIN); 1086 } 1087 icbp->icb_rqstqlen = RQUEST_QUEUE_LEN; 1088 icbp->icb_rsltqlen = RESULT_QUEUE_LEN; 1089 icbp->icb_rqstaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_rquest_dma); 1090 icbp->icb_rqstaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_rquest_dma); 1091 icbp->icb_respaddr[RQRSP_ADDR0015] = DMA_LSW(isp->isp_result_dma); 1092 icbp->icb_respaddr[RQRSP_ADDR1631] = DMA_MSW(isp->isp_result_dma); 1093 ISP_SWIZZLE_ICB(isp, icbp); 1094 1095 /* 1096 * Do this *before* initializing the firmware. 1097 */ 1098 isp_mark_getpdb_all(isp); 1099 fcp->isp_fwstate = FW_CONFIG_WAIT; 1100 fcp->isp_loopstate = LOOP_NIL; 1101 1102 MemoryBarrier(); 1103 for (;;) { 1104 mbs.param[0] = MBOX_INIT_FIRMWARE; 1105 mbs.param[1] = 0; 1106 mbs.param[2] = DMA_MSW(fcp->isp_scdma); 1107 mbs.param[3] = DMA_LSW(fcp->isp_scdma); 1108 mbs.param[4] = 0; 1109 mbs.param[5] = 0; 1110 mbs.param[6] = 0; 1111 mbs.param[7] = 0; 1112 isp_mboxcmd(isp, &mbs); 1113 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1114 PRINTF("%s: INIT FIRMWARE failed (code 0x%x)\n", 1115 isp->isp_name, mbs.param[0]); 1116 if (mbs.param[0] & 0x8000) { 1117 SYS_DELAY(1000); 1118 continue; 1119 } 1120 return; 1121 } 1122 break; 1123 } 1124 1125 isp->isp_reqidx = isp->isp_reqodx = 0; 1126 isp->isp_residx = 0; 1127 isp->isp_sendmarker = 1; 1128 1129 /* 1130 * Whatever happens, we're now committed to being here. 1131 */ 1132 isp->isp_state = ISP_INITSTATE; 1133 } 1134 1135 /* 1136 * Fibre Channel Support- get the port database for the id. 1137 * 1138 * Locks are held before coming here. Return 0 if success, 1139 * else failure. 1140 */ 1141 1142 static void 1143 isp_mark_getpdb_all(isp) 1144 struct ispsoftc *isp; 1145 { 1146 fcparam *fcp = (fcparam *) isp->isp_param; 1147 int i; 1148 for (i = 0; i < MAX_FC_TARG; i++) { 1149 fcp->portdb[i].valid = 0; 1150 } 1151 } 1152 1153 static int 1154 isp_getpdb(isp, id, pdbp) 1155 struct ispsoftc *isp; 1156 int id; 1157 isp_pdb_t *pdbp; 1158 { 1159 fcparam *fcp = (fcparam *) isp->isp_param; 1160 mbreg_t mbs; 1161 1162 mbs.param[0] = MBOX_GET_PORT_DB; 1163 mbs.param[1] = id << 8; 1164 mbs.param[2] = DMA_MSW(fcp->isp_scdma); 1165 mbs.param[3] = DMA_LSW(fcp->isp_scdma); 1166 /* 1167 * Unneeded. For the 2100, except for initializing f/w, registers 1168 * 4/5 have to not be written to. 1169 * mbs.param[4] = 0; 1170 * mbs.param[5] = 0; 1171 * 1172 */ 1173 mbs.param[6] = 0; 1174 mbs.param[7] = 0; 1175 isp_mboxcmd(isp, &mbs); 1176 switch (mbs.param[0]) { 1177 case MBOX_COMMAND_COMPLETE: 1178 MemoryBarrier(); 1179 ISP_UNSWIZZLE_AND_COPY_PDBP(isp, pdbp, fcp->isp_scratch); 1180 break; 1181 case MBOX_HOST_INTERFACE_ERROR: 1182 PRINTF("%s: DMA error getting port database\n", isp->isp_name); 1183 return (-1); 1184 case MBOX_COMMAND_PARAM_ERROR: 1185 /* Not Logged In */ 1186 IDPRINTF(3, ("%s: Param Error on Get Port Database for id %d\n", 1187 isp->isp_name, id)); 1188 return (-1); 1189 default: 1190 PRINTF("%s: error 0x%x getting port database for ID %d\n", 1191 isp->isp_name, mbs.param[0], id); 1192 return (-1); 1193 } 1194 return (0); 1195 } 1196 1197 static u_int64_t 1198 isp_get_portname(isp, loopid, nodename) 1199 struct ispsoftc *isp; 1200 int loopid; 1201 int nodename; 1202 { 1203 u_int64_t wwn = 0; 1204 mbreg_t mbs; 1205 1206 mbs.param[0] = MBOX_GET_PORT_NAME; 1207 mbs.param[1] = loopid << 8; 1208 if (nodename) 1209 mbs.param[1] |= 1; 1210 isp_mboxcmd(isp, &mbs); 1211 if (mbs.param[0] == MBOX_COMMAND_COMPLETE) { 1212 wwn = 1213 (((u_int64_t)(mbs.param[2] & 0xff)) << 56) | 1214 (((u_int64_t)(mbs.param[2] >> 8)) << 48) | 1215 (((u_int64_t)(mbs.param[3] & 0xff)) << 40) | 1216 (((u_int64_t)(mbs.param[3] >> 8)) << 32) | 1217 (((u_int64_t)(mbs.param[6] & 0xff)) << 24) | 1218 (((u_int64_t)(mbs.param[6] >> 8)) << 16) | 1219 (((u_int64_t)(mbs.param[7] & 0xff)) << 8) | 1220 (((u_int64_t)(mbs.param[7] >> 8))); 1221 } 1222 return (wwn); 1223 } 1224 1225 /* 1226 * Make sure we have good FC link and know our Loop ID. 1227 */ 1228 1229 static int 1230 isp_fclink_test(isp, waitdelay) 1231 struct ispsoftc *isp; 1232 int waitdelay; 1233 { 1234 static char *toponames[] = { 1235 "Private Loop", 1236 "FL Port", 1237 "N-Port to N-Port", 1238 "F Port" 1239 }; 1240 char *tname; 1241 mbreg_t mbs; 1242 int count, topo = -1; 1243 u_int8_t lwfs; 1244 fcparam *fcp; 1245 #if defined(ISP2100_FABRIC) 1246 isp_pdb_t pdb; 1247 #endif 1248 fcp = isp->isp_param; 1249 1250 /* 1251 * Wait up to N microseconds for F/W to go to a ready state. 1252 */ 1253 lwfs = FW_CONFIG_WAIT; 1254 for (count = 0; count < waitdelay; count += 100) { 1255 isp_fw_state(isp); 1256 if (lwfs != fcp->isp_fwstate) { 1257 PRINTF("%s: Firmware State %s -> %s\n", 1258 isp->isp_name, isp2100_fw_statename((int)lwfs), 1259 isp2100_fw_statename((int)fcp->isp_fwstate)); 1260 lwfs = fcp->isp_fwstate; 1261 } 1262 if (fcp->isp_fwstate == FW_READY) { 1263 break; 1264 } 1265 SYS_DELAY(100); /* wait 100 microseconds */ 1266 } 1267 1268 /* 1269 * If we haven't gone to 'ready' state, return. 1270 */ 1271 if (fcp->isp_fwstate != FW_READY) { 1272 return (-1); 1273 } 1274 1275 /* 1276 * Get our Loop ID (if possible). We really need to have it. 1277 */ 1278 mbs.param[0] = MBOX_GET_LOOP_ID; 1279 isp_mboxcmd(isp, &mbs); 1280 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1281 PRINTF("%s: GET LOOP ID failed\n", isp->isp_name); 1282 return (-1); 1283 } 1284 fcp->isp_loopid = mbs.param[1]; 1285 if (isp->isp_type == ISP_HA_FC_2200) { 1286 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(2, 0, 14)) { 1287 topo = (int) mbs.param[6]; 1288 } 1289 } else if (isp->isp_type == ISP_HA_FC_2100) { 1290 if (ISP_FW_REVX(isp->isp_fwrev) >= ISP_FW_REV(1, 17, 26)) { 1291 topo = (int) mbs.param[6]; 1292 } 1293 } 1294 if (topo < 0 || topo > 3) 1295 tname = "unknown"; 1296 else 1297 tname = toponames[topo]; 1298 1299 /* 1300 * If we're not on a fabric, the low 8 bits will be our AL_PA. 1301 * If we're on a fabric, the low 8 bits will still be our AL_PA. 1302 */ 1303 fcp->isp_alpa = mbs.param[2]; 1304 #if defined(ISP2100_FABRIC) 1305 fcp->isp_onfabric = 0; 1306 if (isp_getpdb(isp, FL_PORT_ID, &pdb) == 0) { 1307 fcp->isp_portid = mbs.param[2] | (((int)mbs.param[3]) << 16); 1308 fcp->isp_onfabric = 1; 1309 CFGPRINTF("%s: Loop ID %d, AL_PA 0x%x, Port ID 0x%x Loop State " 1310 "0x%x topology %s\n", isp->isp_name, fcp->isp_loopid, 1311 fcp->isp_alpa, fcp->isp_portid, fcp->isp_loopstate, tname); 1312 1313 /* 1314 * Make sure we're logged out of all fabric devices. 1315 */ 1316 for (count = FC_SNS_ID+1; count < MAX_FC_TARG; count++) { 1317 struct lportdb *lp = &fcp->portdb[count]; 1318 if (lp->valid == 0 || lp->fabdev == 0) 1319 continue; 1320 PRINTF("%s: logging out target %d at Loop ID %d " 1321 "(port id 0x%x)\n", isp->isp_name, count, 1322 lp->loopid, lp->portid); 1323 mbs.param[0] = MBOX_FABRIC_LOGOUT; 1324 mbs.param[1] = lp->loopid << 8; 1325 mbs.param[2] = 0; 1326 mbs.param[3] = 0; 1327 isp_mboxcmd(isp, &mbs); 1328 } 1329 } else 1330 #endif 1331 CFGPRINTF("%s: Loop ID %d, ALPA 0x%x Loop State 0x%x topology %s\n", 1332 isp->isp_name, fcp->isp_loopid, fcp->isp_alpa, fcp->isp_loopstate, 1333 tname); 1334 return (0); 1335 } 1336 1337 /* 1338 * Compare two local port db entities and return 1 if they're the same, else 0. 1339 */ 1340 1341 static int 1342 isp_same_lportdb(a, b) 1343 struct lportdb *a, *b; 1344 { 1345 /* 1346 * We decide two lports are the same if they have non-zero and 1347 * identical port WWNs and identical loop IDs. 1348 */ 1349 1350 if (a->port_wwn == 0 || a->port_wwn != b->port_wwn || 1351 a->loopid != b->loopid) { 1352 return (0); 1353 } else { 1354 return (1); 1355 } 1356 } 1357 1358 /* 1359 * Synchronize our soft copy of the port database with what the f/w thinks 1360 * (with a view toward possibly for a specific target....) 1361 */ 1362 1363 static int 1364 isp_pdb_sync(isp, target) 1365 struct ispsoftc *isp; 1366 int target; 1367 { 1368 struct lportdb *lp, *tport; 1369 fcparam *fcp = isp->isp_param; 1370 isp_pdb_t pdb; 1371 int loopid, lim; 1372 1373 #ifdef ISP2100_FABRIC 1374 /* 1375 * XXX: If we do this *after* building up our local port database, 1376 * XXX: the commands simply don't work. 1377 */ 1378 /* 1379 * (Re)discover all fabric devices 1380 */ 1381 if (fcp->isp_onfabric) 1382 (void) isp_scan_fabric(isp); 1383 #endif 1384 1385 1386 /* 1387 * Run through the local loop ports and get port database info 1388 * for each loop ID. 1389 * 1390 * There's a somewhat unexplained situation where the f/w passes back 1391 * the wrong database entity- if that happens, just restart (up to 1392 * FL_PORT_ID times). 1393 */ 1394 tport = fcp->tport; 1395 1396 /* 1397 * make sure the temp port database is clean... 1398 */ 1399 MEMZERO((void *) tport, sizeof (tport)); 1400 for (lim = loopid = 0; loopid < FL_PORT_ID; loopid++) { 1401 lp = &tport[loopid]; 1402 lp->node_wwn = isp_get_portname(isp, loopid, 1); 1403 if (lp->node_wwn == 0) 1404 continue; 1405 lp->port_wwn = isp_get_portname(isp, loopid, 0); 1406 if (lp->port_wwn == 0) { 1407 lp->node_wwn = 0; 1408 continue; 1409 } 1410 1411 /* 1412 * Get an entry.... 1413 */ 1414 if (isp_getpdb(isp, loopid, &pdb) != 0) { 1415 continue; 1416 } 1417 1418 /* 1419 * If the returned database element doesn't match what we 1420 * asked for, restart the process entirely (up to a point...). 1421 */ 1422 if (pdb.pdb_loopid != loopid) { 1423 IDPRINTF(1, ("%s: wankage (%d != %d)\n", 1424 isp->isp_name, pdb.pdb_loopid, loopid)); 1425 loopid = 0; 1426 if (lim++ < FL_PORT_ID) { 1427 continue; 1428 } 1429 PRINTF("%s: giving up on synchronizing the port " 1430 "database\n", isp->isp_name); 1431 return (-1); 1432 } 1433 1434 /* 1435 * Save the pertinent info locally. 1436 */ 1437 lp->node_wwn = 1438 (((u_int64_t)pdb.pdb_nodename[0]) << 56) | 1439 (((u_int64_t)pdb.pdb_nodename[1]) << 48) | 1440 (((u_int64_t)pdb.pdb_nodename[2]) << 40) | 1441 (((u_int64_t)pdb.pdb_nodename[3]) << 32) | 1442 (((u_int64_t)pdb.pdb_nodename[4]) << 24) | 1443 (((u_int64_t)pdb.pdb_nodename[5]) << 16) | 1444 (((u_int64_t)pdb.pdb_nodename[6]) << 8) | 1445 (((u_int64_t)pdb.pdb_nodename[7])); 1446 lp->port_wwn = 1447 (((u_int64_t)pdb.pdb_portname[0]) << 56) | 1448 (((u_int64_t)pdb.pdb_portname[1]) << 48) | 1449 (((u_int64_t)pdb.pdb_portname[2]) << 40) | 1450 (((u_int64_t)pdb.pdb_portname[3]) << 32) | 1451 (((u_int64_t)pdb.pdb_portname[4]) << 24) | 1452 (((u_int64_t)pdb.pdb_portname[5]) << 16) | 1453 (((u_int64_t)pdb.pdb_portname[6]) << 8) | 1454 (((u_int64_t)pdb.pdb_portname[7])); 1455 lp->roles = 1456 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 1457 lp->portid = BITS2WORD(pdb.pdb_portid_bits); 1458 lp->loopid = pdb.pdb_loopid; 1459 /* 1460 * Do a quick check to see whether this matches the saved port 1461 * database for the same loopid. We do this here to save 1462 * searching later (if possible). Note that this fails over 1463 * time as things shuffle on the loop- we get the current 1464 * loop state (where loop id as an index matches loop id in 1465 * use) and then compare it to our saved database which 1466 * never shifts. 1467 */ 1468 if (target >= 0 && isp_same_lportdb(lp, &fcp->portdb[target])) { 1469 lp->valid = 1; 1470 } 1471 } 1472 1473 /* 1474 * If we get this far, we've settled our differences with the f/w 1475 * and we can say that the loop state is ready. 1476 */ 1477 fcp->isp_loopstate = LOOP_READY; 1478 1479 /* 1480 * Mark all of the permanent local loop database entries as invalid. 1481 */ 1482 for (loopid = 0; loopid < FL_PORT_ID; loopid++) { 1483 fcp->portdb[loopid].valid = 0; 1484 } 1485 1486 /* 1487 * Now merge our local copy of the port database into our saved copy. 1488 * Notify the outer layers of new devices arriving. 1489 */ 1490 for (loopid = 0; loopid < FL_PORT_ID; loopid++) { 1491 int i; 1492 1493 /* 1494 * If we don't have a non-zero Port WWN, we're not here. 1495 */ 1496 if (tport[loopid].port_wwn == 0) { 1497 continue; 1498 } 1499 1500 /* 1501 * If we've already marked our tmp copy as valid, 1502 * this means that we've decided that it's the 1503 * same as our saved data base. This didn't include 1504 * the 'valid' marking so we have set that here. 1505 */ 1506 if (tport[loopid].valid) { 1507 fcp->portdb[loopid].valid = 1; 1508 continue; 1509 } 1510 1511 /* 1512 * For the purposes of deciding whether this is the 1513 * 'same' device or not, we only search for an identical 1514 * Port WWN. Node WWNs may or may not be the same as 1515 * the Port WWN, and there may be multiple different 1516 * Port WWNs with the same Node WWN. It would be chaos 1517 * to have multiple identical Port WWNs, so we don't 1518 * allow that. 1519 */ 1520 1521 for (i = 0; i < FL_PORT_ID; i++) { 1522 int j; 1523 if (fcp->portdb[i].port_wwn == 0) 1524 continue; 1525 if (fcp->portdb[i].port_wwn != tport[loopid].port_wwn) 1526 continue; 1527 /* 1528 * We found this WWN elsewhere- it's changed 1529 * loopids then. We don't change it's actual 1530 * position in our cached port database- we 1531 * just change the actual loop ID we'd use. 1532 */ 1533 if (fcp->portdb[i].loopid != loopid) { 1534 PRINTF("%s: Target ID %d Loop 0x%x (Port 0x%x) " 1535 "=> Loop 0x%x (Port 0x%x) \n", 1536 isp->isp_name, i, fcp->portdb[i].loopid, 1537 fcp->portdb[i].portid, loopid, 1538 tport[loopid].portid); 1539 } 1540 fcp->portdb[i].portid = tport[loopid].portid; 1541 fcp->portdb[i].loopid = loopid; 1542 fcp->portdb[i].valid = 1; 1543 /* 1544 * XXX: Should we also propagate roles in case they 1545 * XXX: changed? 1546 */ 1547 1548 /* 1549 * Now make sure this Port WWN doesn't exist elsewhere 1550 * in the port database. 1551 */ 1552 for (j = i+1; j < FL_PORT_ID; j++) { 1553 if (fcp->portdb[i].port_wwn != 1554 fcp->portdb[j].port_wwn) { 1555 continue; 1556 } 1557 PRINTF("%s: Target ID %d Duplicates Target ID " 1558 "%d- killing off both\n", 1559 isp->isp_name, j, i); 1560 /* 1561 * Invalidate the 'old' *and* 'new' ones. 1562 * This is really harsh and not quite right, 1563 * but if this happens, we really don't know 1564 * who is what at this point. 1565 */ 1566 fcp->portdb[i].valid = 0; 1567 fcp->portdb[j].valid = 0; 1568 } 1569 break; 1570 } 1571 1572 /* 1573 * If we didn't traverse the entire port database, 1574 * then we found (and remapped) an existing entry. 1575 * No need to notify anyone- go for the next one. 1576 */ 1577 if (i < FL_PORT_ID) { 1578 continue; 1579 } 1580 1581 /* 1582 * We've not found this Port WWN anywhere. It's a new entry. 1583 * See if we can leave it where it is (with target == loopid). 1584 */ 1585 if (fcp->portdb[loopid].port_wwn != 0) { 1586 for (lim = 0; lim < FL_PORT_ID; lim++) { 1587 if (fcp->portdb[lim].port_wwn == 0) 1588 break; 1589 } 1590 /* "Cannot Happen" */ 1591 if (lim == FL_PORT_ID) { 1592 PRINTF("%s: remap overflow?\n", isp->isp_name); 1593 continue; 1594 } 1595 i = lim; 1596 } else { 1597 i = loopid; 1598 } 1599 1600 /* 1601 * NB: The actual loopid we use here is loopid- we may 1602 * in fact be at a completely different index (target). 1603 */ 1604 fcp->portdb[i].loopid = loopid; 1605 fcp->portdb[i].port_wwn = tport[loopid].port_wwn; 1606 fcp->portdb[i].node_wwn = tport[loopid].node_wwn; 1607 fcp->portdb[i].roles = tport[loopid].roles; 1608 fcp->portdb[i].portid = tport[loopid].portid; 1609 fcp->portdb[i].valid = 1; 1610 1611 /* 1612 * Tell the outside world we've arrived. 1613 */ 1614 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &i); 1615 } 1616 1617 /* 1618 * Now find all previously used targets that are now invalid and 1619 * notify the outer layers that they're gone. 1620 */ 1621 for (lp = fcp->portdb; lp < &fcp->portdb[FL_PORT_ID]; lp++) { 1622 if (lp->valid || lp->port_wwn == 0) 1623 continue; 1624 1625 /* 1626 * Tell the outside world we've gone away. 1627 */ 1628 loopid = lp - fcp->portdb; 1629 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid); 1630 MEMZERO((void *) lp, sizeof (*lp)); 1631 } 1632 1633 #ifdef ISP2100_FABRIC 1634 /* 1635 * Now log in any fabric devices 1636 */ 1637 for (lp = &fcp->portdb[FC_SNS_ID+1]; 1638 lp < &fcp->portdb[MAX_FC_TARG]; lp++) { 1639 mbreg_t mbs; 1640 1641 /* 1642 * Nothing here? 1643 */ 1644 if (lp->port_wwn == 0) 1645 continue; 1646 /* 1647 * Don't try to log into yourself. 1648 */ 1649 if (lp->portid == fcp->isp_portid) 1650 continue; 1651 1652 /* 1653 * Force a logout. 1654 */ 1655 lp->loopid = loopid = lp - fcp->portdb; 1656 mbs.param[0] = MBOX_FABRIC_LOGOUT; 1657 mbs.param[1] = lp->loopid << 8; 1658 mbs.param[2] = 0; 1659 mbs.param[3] = 0; 1660 isp_mboxcmd(isp, &mbs); 1661 1662 /* 1663 * And log in.... 1664 */ 1665 mbs.param[0] = MBOX_FABRIC_LOGIN; 1666 mbs.param[1] = lp->loopid << 8; 1667 mbs.param[2] = lp->portid >> 16; 1668 mbs.param[3] = lp->portid & 0xffff; 1669 isp_mboxcmd(isp, &mbs); 1670 switch (mbs.param[0]) { 1671 case MBOX_COMMAND_COMPLETE: 1672 break; 1673 case MBOX_COMMAND_ERROR: 1674 switch (mbs.param[1]) { 1675 case 1: 1676 PRINTF("%s: no loop\n", isp->isp_name); 1677 break; 1678 case 2: 1679 PRINTF("%s: IOCB buffer could not be alloced\n", 1680 isp->isp_name); 1681 break; 1682 case 3: 1683 PRINTF("%s: could not alloc xchange resource\n", 1684 isp->isp_name); 1685 break; 1686 case 4: 1687 PRINTF("%s: ELS timeout\n", isp->isp_name); 1688 break; 1689 case 5: 1690 PRINTF("%s: no fabric port\n", isp->isp_name); 1691 break; 1692 case 6: 1693 PRINTF("%s: remote device cannot be a target\n", 1694 isp->isp_name); 1695 break; 1696 default: 1697 break; 1698 } 1699 continue; 1700 default: 1701 continue; 1702 } 1703 1704 lp->valid = 1; 1705 lp->fabdev = 1; 1706 if (isp_getpdb(isp, loopid, &pdb) != 0) { 1707 /* 1708 * Be kind... 1709 */ 1710 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT); 1711 PRINTF("%s: Faked PortID 0x%x into LoopID %d\n", 1712 isp->isp_name, lp->portid, lp->loopid); 1713 continue; 1714 } 1715 if (pdb.pdb_loopid != lp->loopid) { 1716 lp->roles = (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT); 1717 PRINTF("%s: Wanked PortID 0x%x to LoopID %d\n", 1718 isp->isp_name, lp->portid, lp->loopid); 1719 continue; 1720 } 1721 lp->roles = 1722 (pdb.pdb_prli_svc3 & SVC3_ROLE_MASK) >> SVC3_ROLE_SHIFT; 1723 lp->portid = BITS2WORD(pdb.pdb_portid_bits); 1724 lp->loopid = loopid; 1725 lp->node_wwn = 1726 (((u_int64_t)pdb.pdb_nodename[0]) << 56) | 1727 (((u_int64_t)pdb.pdb_nodename[1]) << 48) | 1728 (((u_int64_t)pdb.pdb_nodename[2]) << 40) | 1729 (((u_int64_t)pdb.pdb_nodename[3]) << 32) | 1730 (((u_int64_t)pdb.pdb_nodename[4]) << 24) | 1731 (((u_int64_t)pdb.pdb_nodename[5]) << 16) | 1732 (((u_int64_t)pdb.pdb_nodename[6]) << 8) | 1733 (((u_int64_t)pdb.pdb_nodename[7])); 1734 lp->port_wwn = 1735 (((u_int64_t)pdb.pdb_portname[0]) << 56) | 1736 (((u_int64_t)pdb.pdb_portname[1]) << 48) | 1737 (((u_int64_t)pdb.pdb_portname[2]) << 40) | 1738 (((u_int64_t)pdb.pdb_portname[3]) << 32) | 1739 (((u_int64_t)pdb.pdb_portname[4]) << 24) | 1740 (((u_int64_t)pdb.pdb_portname[5]) << 16) | 1741 (((u_int64_t)pdb.pdb_portname[6]) << 8) | 1742 (((u_int64_t)pdb.pdb_portname[7])); 1743 /* 1744 * Check to make sure this all makes sense. 1745 */ 1746 if (lp->node_wwn && lp->port_wwn) { 1747 (void) isp_async(isp, ISPASYNC_PDB_CHANGED, &loopid); 1748 continue; 1749 } 1750 lp->fabdev = lp->valid = 0; 1751 PRINTF("%s: Target %d (Loop 0x%x) Port ID 0x%x lost its WWN\n", 1752 isp->isp_name, loopid, lp->loopid, lp->portid); 1753 mbs.param[0] = MBOX_FABRIC_LOGOUT; 1754 mbs.param[1] = lp->loopid << 8; 1755 mbs.param[2] = 0; 1756 mbs.param[3] = 0; 1757 isp_mboxcmd(isp, &mbs); 1758 } 1759 #endif 1760 /* 1761 * If we get here, we've for sure seen not only a valid loop 1762 * but know what is or isn't on it, so mark this for usage 1763 * in ispscsicmd. 1764 */ 1765 fcp->loop_seen_once = 1; 1766 return (0); 1767 } 1768 1769 #ifdef ISP2100_FABRIC 1770 static int 1771 isp_scan_fabric(isp) 1772 struct ispsoftc *isp; 1773 { 1774 fcparam *fcp = isp->isp_param; 1775 u_int32_t portid, first_nz_portid; 1776 sns_screq_t *reqp; 1777 sns_scrsp_t *resp; 1778 mbreg_t mbs; 1779 int hicap; 1780 1781 reqp = (sns_screq_t *) fcp->isp_scratch; 1782 resp = (sns_scrsp_t *) (&((char *)fcp->isp_scratch)[0x100]); 1783 first_nz_portid = portid = fcp->isp_portid; 1784 1785 for (hicap = 0; hicap < 1024; hicap++) { 1786 MEMZERO((void *) reqp, SNS_GAN_REQ_SIZE); 1787 reqp->snscb_rblen = SNS_GAN_RESP_SIZE >> 1; 1788 reqp->snscb_addr[RQRSP_ADDR0015] = 1789 DMA_LSW(fcp->isp_scdma + 0x100); 1790 reqp->snscb_addr[RQRSP_ADDR1631] = 1791 DMA_MSW(fcp->isp_scdma + 0x100); 1792 reqp->snscb_sblen = 6; 1793 reqp->snscb_data[0] = SNS_GAN; 1794 reqp->snscb_data[4] = portid & 0xffff; 1795 reqp->snscb_data[5] = (portid >> 16) & 0xff; 1796 ISP_SWIZZLE_SNS_REQ(isp, reqp); 1797 mbs.param[0] = MBOX_SEND_SNS; 1798 mbs.param[1] = SNS_GAN_REQ_SIZE >> 1; 1799 mbs.param[2] = DMA_MSW(fcp->isp_scdma); 1800 mbs.param[3] = DMA_LSW(fcp->isp_scdma); 1801 mbs.param[6] = 0; 1802 mbs.param[7] = 0; 1803 MemoryBarrier(); 1804 isp_mboxcmd(isp, &mbs); 1805 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 1806 return (-1); 1807 } 1808 ISP_UNSWIZZLE_SNS_RSP(isp, resp, SNS_GAN_RESP_SIZE >> 1); 1809 portid = (((u_int32_t) resp->snscb_port_id[0]) << 16) | 1810 (((u_int32_t) resp->snscb_port_id[1]) << 8) | 1811 (((u_int32_t) resp->snscb_port_id[2])); 1812 if (isp_async(isp, ISPASYNC_FABRIC_DEV, resp)) { 1813 return (-1); 1814 } 1815 if (first_nz_portid == 0 && portid) { 1816 first_nz_portid = portid; 1817 } 1818 if (first_nz_portid == portid) { 1819 return (0); 1820 } 1821 } 1822 /* 1823 * We either have a broken name server or a huge fabric if we get here. 1824 */ 1825 return (0); 1826 } 1827 #endif 1828 /* 1829 * Start a command. Locking is assumed done in the caller. 1830 */ 1831 1832 int32_t 1833 ispscsicmd(xs) 1834 ISP_SCSI_XFER_T *xs; 1835 { 1836 struct ispsoftc *isp; 1837 u_int16_t iptr, optr; 1838 union { 1839 ispreq_t *_reqp; 1840 ispreqt2_t *_t2reqp; 1841 } _u; 1842 #define reqp _u._reqp 1843 #define t2reqp _u._t2reqp 1844 #define UZSIZE max(sizeof (ispreq_t), sizeof (ispreqt2_t)) 1845 int target, i; 1846 1847 XS_INITERR(xs); 1848 isp = XS_ISP(xs); 1849 1850 if (isp->isp_state != ISP_RUNSTATE) { 1851 PRINTF("%s: adapter not ready\n", isp->isp_name); 1852 XS_SETERR(xs, HBA_BOTCH); 1853 return (CMD_COMPLETE); 1854 } 1855 1856 /* 1857 * We *could* do the different sequence type that has close 1858 * to the whole Queue Entry for the command... 1859 */ 1860 1861 if (XS_CDBLEN(xs) > (IS_FC(isp) ? 16 : 12) || XS_CDBLEN(xs) == 0) { 1862 PRINTF("%s: unsupported cdb length (%d, CDB[0]=0x%x)\n", 1863 isp->isp_name, XS_CDBLEN(xs), XS_CDBP(xs)[0]); 1864 XS_SETERR(xs, HBA_BOTCH); 1865 return (CMD_COMPLETE); 1866 } 1867 1868 /* 1869 * Check to see whether we have good firmware state still or 1870 * need to refresh our port database for this target. 1871 */ 1872 target = XS_TGT(xs); 1873 if (IS_FC(isp)) { 1874 fcparam *fcp = isp->isp_param; 1875 struct lportdb *lp; 1876 #if defined(ISP2100_FABRIC) 1877 if (target >= FL_PORT_ID) { 1878 /* 1879 * If we're not on a Fabric, we can't have a target 1880 * above FL_PORT_ID-1. If we're on a fabric, we 1881 * can't have a target less than FC_SNS_ID+1. 1882 */ 1883 if (fcp->isp_onfabric == 0 || target <= FC_SNS_ID) { 1884 XS_SETERR(xs, HBA_SELTIMEOUT); 1885 return (CMD_COMPLETE); 1886 } 1887 } 1888 #endif 1889 /* 1890 * Check for f/w being in ready state. If the f/w 1891 * isn't in ready state, then we don't know our 1892 * loop ID and the f/w hasn't completed logging 1893 * into all targets on the loop. If this is the 1894 * case, then bounce the command. We pretend this is 1895 * a SELECTION TIMEOUT error if we've never gone to 1896 * FW_READY state at all- in this case we may not 1897 * be hooked to a loop at all and we shouldn't hang 1898 * the machine for this. Otherwise, defer this command 1899 * until later. 1900 */ 1901 if (fcp->isp_fwstate != FW_READY) { 1902 if (isp_fclink_test(isp, FC_FW_READY_DELAY)) { 1903 XS_SETERR(xs, HBA_SELTIMEOUT); 1904 if (fcp->loop_seen_once) { 1905 return (CMD_RQLATER); 1906 } else { 1907 return (CMD_COMPLETE); 1908 } 1909 } 1910 } 1911 1912 /* 1913 * If our loop state is such that we haven't yet received 1914 * a "Port Database Changed" notification (after a LIP or 1915 * a Loop Reset or firmware initialization), then defer 1916 * sending commands for a little while, but only if we've 1917 * seen a valid loop at one point (otherwise we can get 1918 * stuck at initialization time). 1919 */ 1920 if (fcp->isp_loopstate < LOOP_PDB_RCVD) { 1921 XS_SETERR(xs, HBA_SELTIMEOUT); 1922 if (fcp->loop_seen_once) { 1923 return (CMD_RQLATER); 1924 } else { 1925 return (CMD_COMPLETE); 1926 } 1927 } 1928 1929 /* 1930 * If our loop state is now such that we've just now 1931 * received a Port Database Change notification, then 1932 * we have to go off and (re)synchronize our port 1933 * database. 1934 */ 1935 if (fcp->isp_loopstate == LOOP_PDB_RCVD) { 1936 if (isp_pdb_sync(isp, target)) { 1937 XS_SETERR(xs, HBA_SELTIMEOUT); 1938 return (CMD_COMPLETE); 1939 } 1940 } 1941 1942 /* 1943 * Now check whether we should even think about pursuing this. 1944 */ 1945 lp = &fcp->portdb[target]; 1946 if (lp->valid == 0) { 1947 XS_SETERR(xs, HBA_SELTIMEOUT); 1948 return (CMD_COMPLETE); 1949 } 1950 if ((lp->roles & (SVC3_TGT_ROLE >> SVC3_ROLE_SHIFT)) == 0) { 1951 IDPRINTF(3, ("%s: target %d is not a target\n", 1952 isp->isp_name, target)); 1953 XS_SETERR(xs, HBA_SELTIMEOUT); 1954 return (CMD_COMPLETE); 1955 } 1956 /* 1957 * Now turn target into what the actual loop ID is. 1958 */ 1959 target = lp->loopid; 1960 } 1961 1962 /* 1963 * Next check to see if any HBA or Device 1964 * parameters need to be updated. 1965 */ 1966 if (isp->isp_update != 0) { 1967 isp_update(isp); 1968 } 1969 1970 if (isp_getrqentry(isp, &iptr, &optr, (void **) &reqp)) { 1971 IDPRINTF(1, ("%s: Request Queue Overflow\n", isp->isp_name)); 1972 XS_SETERR(xs, HBA_BOTCH); 1973 return (CMD_EAGAIN); 1974 } 1975 1976 /* 1977 * Now see if we need to synchronize the ISP with respect to anything. 1978 * We do dual duty here (cough) for synchronizing for busses other 1979 * than which we got here to send a command to. 1980 */ 1981 if (isp->isp_sendmarker) { 1982 u_int8_t n = (IS_DUALBUS(isp)? 2: 1); 1983 /* 1984 * Check ports to send markers for... 1985 */ 1986 for (i = 0; i < n; i++) { 1987 if ((isp->isp_sendmarker & (1 << i)) == 0) { 1988 continue; 1989 } 1990 MEMZERO((void *) reqp, sizeof (*reqp)); 1991 reqp->req_header.rqs_entry_count = 1; 1992 reqp->req_header.rqs_entry_type = RQSTYPE_MARKER; 1993 reqp->req_modifier = SYNC_ALL; 1994 reqp->req_target = i << 7; /* insert bus number */ 1995 ISP_SWIZZLE_REQUEST(isp, reqp); 1996 MemoryBarrier(); 1997 ISP_ADD_REQUEST(isp, iptr); 1998 1999 if (isp_getrqentry(isp, &iptr, &optr, (void **)&reqp)) { 2000 IDPRINTF(1, ("%s: Request Queue Overflow+\n", 2001 isp->isp_name)); 2002 XS_SETERR(xs, HBA_BOTCH); 2003 return (CMD_EAGAIN); 2004 } 2005 } 2006 } 2007 2008 MEMZERO((void *) reqp, UZSIZE); 2009 reqp->req_header.rqs_entry_count = 1; 2010 if (IS_FC(isp)) { 2011 reqp->req_header.rqs_entry_type = RQSTYPE_T2RQS; 2012 } else { 2013 reqp->req_header.rqs_entry_type = RQSTYPE_REQUEST; 2014 } 2015 reqp->req_header.rqs_flags = 0; 2016 reqp->req_header.rqs_seqno = 0; 2017 if (IS_FC(isp)) { 2018 /* 2019 * See comment in isp_intr 2020 */ 2021 XS_RESID(xs) = 0; 2022 2023 /* 2024 * Fibre Channel always requires some kind of tag. 2025 * The Qlogic drivers seem be happy not to use a tag, 2026 * but this breaks for some devices (IBM drives). 2027 */ 2028 if (XS_CANTAG(xs)) { 2029 t2reqp->req_flags = XS_KINDOF_TAG(xs); 2030 } else { 2031 if (XS_CDBP(xs)[0] == 0x3) /* REQUEST SENSE */ 2032 t2reqp->req_flags = REQFLAG_HTAG; 2033 else 2034 t2reqp->req_flags = REQFLAG_OTAG; 2035 } 2036 } else { 2037 sdparam *sdp = (sdparam *)isp->isp_param; 2038 if ((sdp->isp_devparam[target].cur_dflags & DPARM_TQING) && 2039 XS_CANTAG(xs)) { 2040 reqp->req_flags = XS_KINDOF_TAG(xs); 2041 } 2042 } 2043 reqp->req_target = target | (XS_CHANNEL(xs) << 7); 2044 if (IS_SCSI(isp)) { 2045 reqp->req_lun_trn = XS_LUN(xs); 2046 reqp->req_cdblen = XS_CDBLEN(xs); 2047 } else { 2048 #ifdef ISP2100_SCCLUN 2049 t2reqp->req_scclun = XS_LUN(xs); 2050 #else 2051 t2reqp->req_lun_trn = XS_LUN(xs); 2052 #endif 2053 } 2054 MEMCPY(reqp->req_cdb, XS_CDBP(xs), XS_CDBLEN(xs)); 2055 2056 reqp->req_time = XS_TIME(xs) / 1000; 2057 if (reqp->req_time == 0 && XS_TIME(xs)) 2058 reqp->req_time = 1; 2059 2060 /* 2061 * Always give a bit more leeway to commands after a bus reset. 2062 * XXX: DOES NOT DISTINGUISH WHICH PORT MAY HAVE BEEN SYNCED 2063 */ 2064 if (isp->isp_sendmarker && reqp->req_time < 5) { 2065 reqp->req_time = 5; 2066 } 2067 if (isp_save_xs(isp, xs, &reqp->req_handle)) { 2068 IDPRINTF(2, ("%s: out of xflist pointers\n", isp->isp_name)); 2069 XS_SETERR(xs, HBA_BOTCH); 2070 return (CMD_EAGAIN); 2071 } 2072 /* 2073 * Set up DMA and/or do any bus swizzling of the request entry 2074 * so that the Qlogic F/W understands what is being asked of it. 2075 */ 2076 i = ISP_DMASETUP(isp, xs, reqp, &iptr, optr); 2077 if (i != CMD_QUEUED) { 2078 isp_destroy_handle(isp, reqp->req_handle); 2079 /* 2080 * dmasetup sets actual error in packet, and 2081 * return what we were given to return. 2082 */ 2083 return (i); 2084 } 2085 XS_SETERR(xs, HBA_NOERROR); 2086 IDPRINTF(5, ("%s(%d.%d.%d): START cmd 0x%x datalen %d\n", 2087 isp->isp_name, XS_CHANNEL(xs), target, XS_LUN(xs), 2088 reqp->req_cdb[0], XS_XFRLEN(xs))); 2089 MemoryBarrier(); 2090 ISP_ADD_REQUEST(isp, iptr); 2091 isp->isp_nactive++; 2092 if (isp->isp_sendmarker) 2093 isp->isp_sendmarker = 0; 2094 return (CMD_QUEUED); 2095 #undef reqp 2096 #undef t2reqp 2097 } 2098 2099 /* 2100 * isp control 2101 * Locks (ints blocked) assumed held. 2102 */ 2103 2104 int 2105 isp_control(isp, ctl, arg) 2106 struct ispsoftc *isp; 2107 ispctl_t ctl; 2108 void *arg; 2109 { 2110 ISP_SCSI_XFER_T *xs; 2111 mbreg_t mbs; 2112 int bus, tgt; 2113 u_int32_t handle; 2114 2115 switch (ctl) { 2116 default: 2117 PRINTF("%s: isp_control unknown control op %x\n", 2118 isp->isp_name, ctl); 2119 break; 2120 2121 case ISPCTL_RESET_BUS: 2122 /* 2123 * Issue a bus reset. 2124 */ 2125 mbs.param[0] = MBOX_BUS_RESET; 2126 if (IS_SCSI(isp)) { 2127 mbs.param[1] = 2128 ((sdparam *) isp->isp_param)->isp_bus_reset_delay; 2129 if (mbs.param[1] < 2) 2130 mbs.param[1] = 2; 2131 bus = *((int *) arg); 2132 mbs.param[2] = bus; 2133 } else { 2134 mbs.param[1] = 10; 2135 mbs.param[2] = 0; 2136 bus = 0; 2137 } 2138 isp->isp_sendmarker = 1 << bus; 2139 isp_mboxcmd(isp, &mbs); 2140 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 2141 isp_dumpregs(isp, "isp_control SCSI bus reset failed"); 2142 break; 2143 } 2144 CFGPRINTF("%s: driver initiated bus reset of bus %d\n", 2145 isp->isp_name, bus); 2146 return (0); 2147 2148 case ISPCTL_RESET_DEV: 2149 tgt = (*((int *) arg)) & 0xffff; 2150 bus = (*((int *) arg)) >> 16; 2151 mbs.param[0] = MBOX_ABORT_TARGET; 2152 mbs.param[1] = (tgt << 8) | (bus << 15); 2153 mbs.param[2] = 3; /* 'delay', in seconds */ 2154 isp_mboxcmd(isp, &mbs); 2155 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 2156 PRINTF("%s: isp_control MBOX_RESET_DEV failure (code " 2157 "%x)\n", isp->isp_name, mbs.param[0]); 2158 break; 2159 } 2160 PRINTF("%s: Target %d on Bus %d Reset Succeeded\n", 2161 isp->isp_name, tgt, bus); 2162 isp->isp_sendmarker = 1 << bus; 2163 return (0); 2164 2165 case ISPCTL_ABORT_CMD: 2166 xs = (ISP_SCSI_XFER_T *) arg; 2167 handle = isp_find_handle(isp, xs); 2168 if (handle == 0) { 2169 PRINTF("%s: isp_control- cannot find command to abort " 2170 "in active list\n", isp->isp_name); 2171 break; 2172 } 2173 bus = XS_CHANNEL(xs); 2174 mbs.param[0] = MBOX_ABORT; 2175 if (IS_FC(isp)) { 2176 #ifdef ISP2100_SCCLUN 2177 mbs.param[1] = XS_TGT(xs) << 8; 2178 mbs.param[4] = 0; 2179 mbs.param[5] = 0; 2180 mbs.param[6] = XS_LUN(xs); 2181 #else 2182 mbs.param[1] = XS_TGT(xs) << 8 | XS_LUN(xs); 2183 #endif 2184 } else { 2185 mbs.param[1] = 2186 (bus << 15) | (XS_TGT(xs) << 8) | XS_LUN(xs); 2187 } 2188 mbs.param[2] = handle >> 16; 2189 mbs.param[3] = handle & 0xffff; 2190 isp_mboxcmd(isp, &mbs); 2191 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 2192 PRINTF("%s: isp_control MBOX_ABORT failure (code %x)\n", 2193 isp->isp_name, mbs.param[0]); 2194 break; 2195 } 2196 PRINTF("%s: command for target %d lun %d was aborted\n", 2197 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2198 return (0); 2199 2200 case ISPCTL_UPDATE_PARAMS: 2201 isp_update(isp); 2202 return (0); 2203 2204 case ISPCTL_FCLINK_TEST: 2205 return (isp_fclink_test(isp, FC_FW_READY_DELAY)); 2206 2207 case ISPCTL_PDB_SYNC: 2208 return (isp_pdb_sync(isp, -1)); 2209 2210 #ifdef ISP_TARGET_MODE 2211 case ISPCTL_TOGGLE_TMODE: 2212 if (IS_SCSI(isp)) { 2213 int ena = *(int *)arg; 2214 mbs.param[0] = MBOX_ENABLE_TARGET_MODE; 2215 mbs.param[1] = (ena)? ENABLE_TARGET_FLAG : 0; 2216 isp_mboxcmd(isp, &mbs); 2217 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 2218 PRINTF("%s: cannot %sable target mode (0x%x)\n", 2219 isp->isp_name, ena? "en" : "dis", 2220 mbs.param[0]); 2221 break; 2222 } 2223 } 2224 return (0); 2225 #endif 2226 } 2227 return (-1); 2228 } 2229 2230 /* 2231 * Interrupt Service Routine(s). 2232 * 2233 * External (OS) framework has done the appropriate locking, 2234 * and the locking will be held throughout this function. 2235 */ 2236 2237 int 2238 isp_intr(arg) 2239 void *arg; 2240 { 2241 ISP_SCSI_XFER_T *complist[RESULT_QUEUE_LEN], *xs; 2242 struct ispsoftc *isp = arg; 2243 u_int16_t iptr, optr; 2244 u_int16_t isr, isrb, sema; 2245 int i, nlooked = 0, ndone = 0; 2246 2247 /* 2248 * Well, if we've disabled interrupts, we may get a case where 2249 * isr isn't set, but sema is. In any case, debounce isr reads. 2250 */ 2251 do { 2252 isr = ISP_READ(isp, BIU_ISR); 2253 isrb = ISP_READ(isp, BIU_ISR); 2254 } while (isr != isrb); 2255 sema = ISP_READ(isp, BIU_SEMA) & 0x1; 2256 IDPRINTF(5, ("%s: isp_intr isr %x sem %x\n", isp->isp_name, isr, sema)); 2257 if (isr == 0) { 2258 return (0); 2259 } 2260 if (!INT_PENDING(isp, isr)) { 2261 IDPRINTF(4, ("%s: isp_intr isr=%x\n", isp->isp_name, isr)); 2262 return (0); 2263 } 2264 if (isp->isp_state != ISP_RUNSTATE) { 2265 IDPRINTF(3, ("%s: interrupt (isr=%x,sema=%x) when not ready\n", 2266 isp->isp_name, isr, sema)); 2267 ISP_WRITE(isp, INMAILBOX5, ISP_READ(isp, OUTMAILBOX5)); 2268 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 2269 ISP_WRITE(isp, BIU_SEMA, 0); 2270 ENABLE_INTS(isp); 2271 return (1); 2272 } 2273 2274 if (sema) { 2275 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0); 2276 if (mbox & 0x4000) { 2277 IDPRINTF(4, ("%s: Command Mbox 0x%x\n", 2278 isp->isp_name, mbox)); 2279 } else { 2280 u_int32_t fhandle = isp_parse_async(isp, (int) mbox); 2281 IDPRINTF(4, ("%s: Async Mbox 0x%x\n", 2282 isp->isp_name, mbox)); 2283 if (fhandle > 0) { 2284 isp_fastpost_complete(isp, fhandle); 2285 } 2286 } 2287 ISP_WRITE(isp, BIU_SEMA, 0); 2288 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 2289 ENABLE_INTS(isp); 2290 return (1); 2291 } 2292 2293 /* 2294 * You *must* read OUTMAILBOX5 prior to clearing the RISC interrupt. 2295 */ 2296 optr = isp->isp_residx; 2297 iptr = ISP_READ(isp, OUTMAILBOX5); 2298 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 2299 if (optr == iptr) { 2300 IDPRINTF(4, ("why intr? isr %x iptr %x optr %x\n", 2301 isr, optr, iptr)); 2302 } 2303 2304 while (optr != iptr) { 2305 ispstatusreq_t *sp; 2306 u_int16_t oop; 2307 int buddaboom = 0; 2308 2309 sp = (ispstatusreq_t *) ISP_QUEUE_ENTRY(isp->isp_result, optr); 2310 oop = optr; 2311 optr = ISP_NXT_QENTRY(optr, RESULT_QUEUE_LEN); 2312 nlooked++; 2313 MemoryBarrier(); 2314 /* 2315 * Do any appropriate unswizzling of what the Qlogic f/w has 2316 * written into memory so it makes sense to us. This is a 2317 * per-platform thing. 2318 */ 2319 ISP_UNSWIZZLE_RESPONSE(isp, sp); 2320 if (sp->req_header.rqs_entry_type != RQSTYPE_RESPONSE) { 2321 if (isp_handle_other_response(isp, sp, &optr) == 0) { 2322 continue; 2323 } 2324 /* 2325 * It really has to be a bounced request just copied 2326 * from the request queue to the response queue. If 2327 * not, something bad has happened. 2328 */ 2329 if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) { 2330 PRINTF("%s: not RESPONSE in RESPONSE Queue " 2331 "(type 0x%x) @ idx %d (next %d)\n", 2332 isp->isp_name, 2333 sp->req_header.rqs_entry_type, oop, optr); 2334 continue; 2335 } 2336 buddaboom = 1; 2337 } 2338 2339 if (sp->req_header.rqs_flags & 0xf) { 2340 #define _RQS_OFLAGS \ 2341 ~(RQSFLAG_CONTINUATION|RQSFLAG_FULL|RQSFLAG_BADHEADER|RQSFLAG_BADPACKET) 2342 if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) { 2343 IDPRINTF(4, ("%s: continuation segment\n", 2344 isp->isp_name)); 2345 ISP_WRITE(isp, INMAILBOX5, optr); 2346 continue; 2347 } 2348 if (sp->req_header.rqs_flags & RQSFLAG_FULL) { 2349 IDPRINTF(2, ("%s: internal queues full\n", 2350 isp->isp_name)); 2351 /* 2352 * We'll synthesize a QUEUE FULL message below. 2353 */ 2354 } 2355 if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) { 2356 PRINTF("%s: bad header\n", isp->isp_name); 2357 buddaboom++; 2358 } 2359 if (sp->req_header.rqs_flags & RQSFLAG_BADPACKET) { 2360 PRINTF("%s: bad request packet\n", 2361 isp->isp_name); 2362 buddaboom++; 2363 } 2364 if (sp->req_header.rqs_flags & _RQS_OFLAGS) { 2365 PRINTF("%s: unknown flags in response (0x%x)\n", 2366 isp->isp_name, sp->req_header.rqs_flags); 2367 buddaboom++; 2368 } 2369 #undef _RQS_OFLAGS 2370 } 2371 if (sp->req_handle > isp->isp_maxcmds || sp->req_handle < 1) { 2372 PRINTF("%s: bad request handle %d\n", isp->isp_name, 2373 sp->req_handle); 2374 ISP_WRITE(isp, INMAILBOX5, optr); 2375 continue; 2376 } 2377 xs = isp_find_xs(isp, sp->req_handle); 2378 if (xs == NULL) { 2379 PRINTF("%s: NULL xs in xflist (handle 0x%x)\n", 2380 isp->isp_name, sp->req_handle); 2381 ISP_WRITE(isp, INMAILBOX5, optr); 2382 continue; 2383 } 2384 isp_destroy_handle(isp, sp->req_handle); 2385 if (sp->req_status_flags & RQSTF_BUS_RESET) { 2386 isp->isp_sendmarker |= (1 << XS_CHANNEL(xs)); 2387 } 2388 if (buddaboom) { 2389 XS_SETERR(xs, HBA_BOTCH); 2390 } 2391 XS_STS(xs) = sp->req_scsi_status & 0xff; 2392 if (IS_SCSI(isp)) { 2393 if (sp->req_state_flags & RQSF_GOT_SENSE) { 2394 MEMCPY(XS_SNSP(xs), sp->req_sense_data, 2395 XS_SNSLEN(xs)); 2396 XS_SNS_IS_VALID(xs); 2397 } 2398 /* 2399 * A new synchronous rate was negotiated for this 2400 * target. Mark state such that we'll go look up 2401 * that which has changed later. 2402 */ 2403 if (sp->req_status_flags & RQSTF_NEGOTIATION) { 2404 sdparam *sdp = isp->isp_param; 2405 sdp += XS_CHANNEL(xs); 2406 sdp->isp_devparam[XS_TGT(xs)].dev_refresh = 1; 2407 isp->isp_update |= (1 << XS_CHANNEL(xs)); 2408 } 2409 } else { 2410 if (sp->req_scsi_status & RQCS_SV) { 2411 int amt = min(XS_SNSLEN(xs), sp->req_sense_len); 2412 MEMCPY(XS_SNSP(xs), sp->req_sense_data, amt); 2413 XS_SNS_IS_VALID(xs); 2414 sp->req_state_flags |= RQSF_GOT_SENSE; 2415 } else if (XS_STS(xs) == SCSI_CHECK) { 2416 IDPRINTF(1, ("%s: check condition with no sense" 2417 " data\n", isp->isp_name)); 2418 } 2419 } 2420 if (XS_NOERR(xs) && XS_STS(xs) == SCSI_BUSY) { 2421 XS_SETERR(xs, HBA_TGTBSY); 2422 } 2423 2424 if (sp->req_header.rqs_entry_type == RQSTYPE_RESPONSE) { 2425 if (XS_NOERR(xs)) { 2426 if (sp->req_completion_status != RQCS_COMPLETE) { 2427 isp_parse_status(isp, sp, xs); 2428 } else { 2429 XS_SETERR(xs, HBA_NOERROR); 2430 } 2431 } 2432 } else if (sp->req_header.rqs_entry_type == RQSTYPE_REQUEST) { 2433 if (sp->req_header.rqs_flags & RQSFLAG_FULL) { 2434 /* 2435 * Force Queue Full status. 2436 */ 2437 XS_STS(xs) = SCSI_QFULL; 2438 XS_SETERR(xs, HBA_NOERROR); 2439 } else if (XS_NOERR(xs)) { 2440 XS_SETERR(xs, HBA_BOTCH); 2441 } 2442 } else { 2443 PRINTF("%s: unhandled respose queue type 0x%x\n", 2444 isp->isp_name, sp->req_header.rqs_entry_type); 2445 if (XS_NOERR(xs)) { 2446 XS_SETERR(xs, HBA_BOTCH); 2447 } 2448 } 2449 if (IS_SCSI(isp)) { 2450 XS_RESID(xs) = sp->req_resid; 2451 } else if (sp->req_scsi_status & RQCS_RU) { 2452 XS_RESID(xs) = sp->req_resid; 2453 IDPRINTF(4, ("%s: cnt %d rsd %d\n", isp->isp_name, 2454 XS_XFRLEN(xs), sp->req_resid)); 2455 } 2456 if (XS_XFRLEN(xs)) { 2457 ISP_DMAFREE(isp, xs, sp->req_handle); 2458 } 2459 /* 2460 * Let the platforms cope. 2461 */ 2462 #if 0 2463 /* 2464 * XXX: If we have a check condition, but no Sense Data, 2465 * XXX: mark it as an error (ARQ failed). We need to 2466 * XXX: to do a more distinct job because there may 2467 * XXX: cases where ARQ is disabled. 2468 */ 2469 if (XS_STS(xs) == SCSI_CHECK && !(XS_IS_SNS_VALID(xs))) { 2470 if (XS_NOERR(xs)) { 2471 PRINTF("%s: ARQ failure for target %d lun %d\n", 2472 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2473 XS_SETERR(xs, HBA_ARQFAIL); 2474 } 2475 } 2476 #endif 2477 if ((isp->isp_dblev >= 5) || 2478 (isp->isp_dblev > 2 && !XS_NOERR(xs))) { 2479 PRINTF("%s(%d.%d): FIN dl%d resid%d STS %x", 2480 isp->isp_name, XS_TGT(xs), XS_LUN(xs), 2481 XS_XFRLEN(xs), XS_RESID(xs), XS_STS(xs)); 2482 if (sp->req_state_flags & RQSF_GOT_SENSE) { 2483 PRINTF(" Skey: %x", XS_SNSKEY(xs)); 2484 if (!(XS_IS_SNS_VALID(xs))) { 2485 PRINTF(" BUT NOT SET"); 2486 } 2487 } 2488 PRINTF(" XS_ERR=0x%x\n", (unsigned int) XS_ERR(xs)); 2489 } 2490 2491 if (isp->isp_nactive > 0) 2492 isp->isp_nactive--; 2493 complist[ndone++] = xs; /* defer completion call until later */ 2494 } 2495 2496 /* 2497 * If we looked at any commands, then it's valid to find out 2498 * what the outpointer is. It also is a trigger to update the 2499 * ISP's notion of what we've seen so far. 2500 */ 2501 if (nlooked) { 2502 ISP_WRITE(isp, INMAILBOX5, optr); 2503 isp->isp_reqodx = ISP_READ(isp, OUTMAILBOX4); 2504 } 2505 isp->isp_residx = optr; 2506 for (i = 0; i < ndone; i++) { 2507 xs = complist[i]; 2508 if (xs) { 2509 XS_CMD_DONE(xs); 2510 } 2511 } 2512 ENABLE_INTS(isp); 2513 return (1); 2514 } 2515 2516 /* 2517 * Support routines. 2518 */ 2519 2520 static int 2521 isp_parse_async(isp, mbox) 2522 struct ispsoftc *isp; 2523 int mbox; 2524 { 2525 int bus; 2526 u_int32_t fast_post_handle = 0; 2527 2528 if (IS_DUALBUS(isp)) { 2529 bus = ISP_READ(isp, OUTMAILBOX6); 2530 } else { 2531 bus = 0; 2532 } 2533 2534 switch (mbox) { 2535 case MBOX_COMMAND_COMPLETE: /* sometimes these show up */ 2536 break; 2537 case ASYNC_BUS_RESET: 2538 isp->isp_sendmarker = (1 << bus); 2539 #ifdef ISP_TARGET_MODE 2540 isp_target_async(isp, bus, mbox); 2541 #endif 2542 isp_async(isp, ISPASYNC_BUS_RESET, &bus); 2543 break; 2544 case ASYNC_SYSTEM_ERROR: 2545 mbox = ISP_READ(isp, OUTMAILBOX1); 2546 PRINTF("%s: Internal FW Error @ RISC Addr 0x%x\n", 2547 isp->isp_name, mbox); 2548 isp_restart(isp); 2549 /* no point continuing after this */ 2550 return (-1); 2551 2552 case ASYNC_RQS_XFER_ERR: 2553 PRINTF("%s: Request Queue Transfer Error\n", isp->isp_name); 2554 break; 2555 2556 case ASYNC_RSP_XFER_ERR: 2557 PRINTF("%s: Response Queue Transfer Error\n", isp->isp_name); 2558 break; 2559 2560 case ASYNC_QWAKEUP: 2561 /* 2562 * We've just been notified that the Queue has woken up. 2563 * We don't need to be chatty about this- just unlatch things 2564 * and move on. 2565 */ 2566 mbox = ISP_READ(isp, OUTMAILBOX4); 2567 break; 2568 2569 case ASYNC_TIMEOUT_RESET: 2570 PRINTF("%s: timeout initiated SCSI bus reset of bus %d\n", 2571 isp->isp_name, bus); 2572 isp->isp_sendmarker = (1 << bus); 2573 #ifdef ISP_TARGET_MODE 2574 isp_target_async(isp, bus, mbox); 2575 #endif 2576 break; 2577 2578 case ASYNC_DEVICE_RESET: 2579 PRINTF("%s: device reset on bus %d\n", isp->isp_name, bus); 2580 isp->isp_sendmarker = 1 << bus; 2581 #ifdef ISP_TARGET_MODE 2582 isp_target_async(isp, bus, mbox); 2583 #endif 2584 break; 2585 2586 case ASYNC_EXTMSG_UNDERRUN: 2587 PRINTF("%s: extended message underrun\n", isp->isp_name); 2588 break; 2589 2590 case ASYNC_SCAM_INT: 2591 PRINTF("%s: SCAM interrupt\n", isp->isp_name); 2592 break; 2593 2594 case ASYNC_HUNG_SCSI: 2595 PRINTF("%s: stalled SCSI Bus after DATA Overrun\n", 2596 isp->isp_name); 2597 /* XXX: Need to issue SCSI reset at this point */ 2598 break; 2599 2600 case ASYNC_KILLED_BUS: 2601 PRINTF("%s: SCSI Bus reset after DATA Overrun\n", 2602 isp->isp_name); 2603 break; 2604 2605 case ASYNC_BUS_TRANSIT: 2606 mbox = ISP_READ(isp, OUTMAILBOX2); 2607 switch (mbox & 0x1c00) { 2608 case SXP_PINS_LVD_MODE: 2609 PRINTF("%s: Transition to LVD mode\n", isp->isp_name); 2610 ((sdparam *)isp->isp_param)->isp_diffmode = 0; 2611 ((sdparam *)isp->isp_param)->isp_ultramode = 0; 2612 ((sdparam *)isp->isp_param)->isp_lvdmode = 1; 2613 break; 2614 case SXP_PINS_HVD_MODE: 2615 PRINTF("%s: Transition to Differential mode\n", 2616 isp->isp_name); 2617 ((sdparam *)isp->isp_param)->isp_diffmode = 1; 2618 ((sdparam *)isp->isp_param)->isp_ultramode = 0; 2619 ((sdparam *)isp->isp_param)->isp_lvdmode = 0; 2620 break; 2621 case SXP_PINS_SE_MODE: 2622 PRINTF("%s: Transition to Single Ended mode\n", 2623 isp->isp_name); 2624 ((sdparam *)isp->isp_param)->isp_diffmode = 0; 2625 ((sdparam *)isp->isp_param)->isp_ultramode = 1; 2626 ((sdparam *)isp->isp_param)->isp_lvdmode = 0; 2627 break; 2628 default: 2629 PRINTF("%s: Transition to unknown mode 0x%x\n", 2630 isp->isp_name, mbox); 2631 break; 2632 } 2633 /* 2634 * XXX: Set up to renegotiate again! 2635 */ 2636 /* Can only be for a 1080... */ 2637 isp->isp_sendmarker = (1 << bus); 2638 break; 2639 2640 case ASYNC_CMD_CMPLT: 2641 fast_post_handle = (ISP_READ(isp, OUTMAILBOX2) << 16) | 2642 ISP_READ(isp, OUTMAILBOX1); 2643 IDPRINTF(4, ("%s: fast post completion of %u\n", isp->isp_name, 2644 fast_post_handle)); 2645 break; 2646 2647 case ASYNC_CTIO_DONE: 2648 /* Should only occur when Fast Posting Set for 2100s */ 2649 PRINTF("%s: CTIO done\n", isp->isp_name); 2650 break; 2651 2652 case ASYNC_LIP_OCCURRED: 2653 ((fcparam *) isp->isp_param)->isp_lipseq = 2654 ISP_READ(isp, OUTMAILBOX1); 2655 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 2656 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD; 2657 isp->isp_sendmarker = 1; 2658 isp_mark_getpdb_all(isp); 2659 IDPRINTF(1, ("%s: LIP occurred\n", isp->isp_name)); 2660 #ifdef ISP_TARGET_MODE 2661 isp_target_async(isp, bus, mbox); 2662 #endif 2663 break; 2664 2665 case ASYNC_LOOP_UP: 2666 isp->isp_sendmarker = 1; 2667 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 2668 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD; 2669 isp_mark_getpdb_all(isp); 2670 isp_async(isp, ISPASYNC_LOOP_UP, NULL); 2671 #ifdef ISP_TARGET_MODE 2672 isp_target_async(isp, bus, mbox); 2673 #endif 2674 break; 2675 2676 case ASYNC_LOOP_DOWN: 2677 isp->isp_sendmarker = 1; 2678 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 2679 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL; 2680 isp_mark_getpdb_all(isp); 2681 isp_async(isp, ISPASYNC_LOOP_DOWN, NULL); 2682 #ifdef ISP_TARGET_MODE 2683 isp_target_async(isp, bus, mbox); 2684 #endif 2685 break; 2686 2687 case ASYNC_LOOP_RESET: 2688 isp->isp_sendmarker = 1 << bus; 2689 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 2690 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL; 2691 isp_mark_getpdb_all(isp); 2692 PRINTF("%s: Loop RESET\n", isp->isp_name); 2693 #ifdef ISP_TARGET_MODE 2694 isp_target_async(isp, bus, mbox); 2695 #endif 2696 break; 2697 2698 case ASYNC_PDB_CHANGED: 2699 isp->isp_sendmarker = 1; 2700 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD; 2701 isp_mark_getpdb_all(isp); 2702 IDPRINTF(2, ("%s: Port Database Changed\n", isp->isp_name)); 2703 break; 2704 2705 case ASYNC_CHANGE_NOTIFY: 2706 isp_mark_getpdb_all(isp); 2707 /* 2708 * Not correct, but it will force us to rescan the loop. 2709 */ 2710 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD; 2711 isp_async(isp, ISPASYNC_CHANGE_NOTIFY, NULL); 2712 break; 2713 2714 default: 2715 PRINTF("%s: unknown async code 0x%x\n", isp->isp_name, mbox); 2716 break; 2717 } 2718 return (fast_post_handle); 2719 } 2720 2721 /* 2722 * Handle other response entries. A pointer to the request queue output 2723 * index is here in case we want to eat several entries at once, although 2724 * this is not used currently. 2725 */ 2726 2727 static int 2728 isp_handle_other_response(isp, sp, optrp) 2729 struct ispsoftc *isp; 2730 ispstatusreq_t *sp; 2731 u_int16_t *optrp; 2732 { 2733 switch (sp->req_header.rqs_entry_type) { 2734 case RQSTYPE_ATIO: 2735 case RQSTYPE_CTIO: 2736 case RQSTYPE_ENABLE_LUN: 2737 case RQSTYPE_MODIFY_LUN: 2738 case RQSTYPE_NOTIFY: 2739 case RQSTYPE_NOTIFY_ACK: 2740 case RQSTYPE_CTIO1: 2741 case RQSTYPE_ATIO2: 2742 case RQSTYPE_CTIO2: 2743 case RQSTYPE_CTIO3: 2744 #ifdef ISP_TARGET_MODE 2745 return (isp_target_notify(isp, sp, optrp)); 2746 #else 2747 /* FALLTHROUGH */ 2748 #endif 2749 case RQSTYPE_REQUEST: 2750 default: 2751 PRINTF("%s: unhandled response type 0x%x\n", isp->isp_name, 2752 sp->req_header.rqs_entry_type); 2753 return (-1); 2754 } 2755 } 2756 2757 static void 2758 isp_parse_status(isp, sp, xs) 2759 struct ispsoftc *isp; 2760 ispstatusreq_t *sp; 2761 ISP_SCSI_XFER_T *xs; 2762 { 2763 switch (sp->req_completion_status) { 2764 case RQCS_COMPLETE: 2765 XS_SETERR(xs, HBA_NOERROR); 2766 return; 2767 2768 case RQCS_INCOMPLETE: 2769 if ((sp->req_state_flags & RQSF_GOT_TARGET) == 0) { 2770 IDPRINTF(3, ("%s: Selection Timeout for target %d\n", 2771 isp->isp_name, XS_TGT(xs))); 2772 XS_SETERR(xs, HBA_SELTIMEOUT); 2773 return; 2774 } 2775 PRINTF("%s: command incomplete for target %d lun %d, state " 2776 "0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs), 2777 sp->req_state_flags); 2778 break; 2779 2780 case RQCS_DMA_ERROR: 2781 PRINTF("%s: DMA error for command on target %d, lun %d\n", 2782 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2783 break; 2784 2785 case RQCS_TRANSPORT_ERROR: 2786 PRINTF("%s: transport error\n", isp->isp_name); 2787 isp_prtstst(sp); 2788 break; 2789 2790 case RQCS_RESET_OCCURRED: 2791 IDPRINTF(2, ("%s: bus %d reset destroyed command for target %d " 2792 "lun %d\n", isp->isp_name, XS_CHANNEL(xs), XS_TGT(xs), 2793 XS_LUN(xs))); 2794 /* 2795 * XXX: Get port number for bus 2796 */ 2797 isp->isp_sendmarker = 3; 2798 XS_SETERR(xs, HBA_BUSRESET); 2799 return; 2800 2801 case RQCS_ABORTED: 2802 PRINTF("%s: command aborted for target %d lun %d\n", 2803 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2804 /* 2805 * XXX: Get port number for bus 2806 */ 2807 isp->isp_sendmarker = 3; 2808 XS_SETERR(xs, HBA_ABORTED); 2809 return; 2810 2811 case RQCS_TIMEOUT: 2812 IDPRINTF(2, ("%s: command timed out for target %d lun %d\n", 2813 isp->isp_name, XS_TGT(xs), XS_LUN(xs))); 2814 XS_SETERR(xs, HBA_CMDTIMEOUT); 2815 return; 2816 2817 case RQCS_DATA_OVERRUN: 2818 if (IS_FC(isp)) { 2819 XS_RESID(xs) = sp->req_resid; 2820 break; 2821 } 2822 XS_SETERR(xs, HBA_DATAOVR); 2823 return; 2824 2825 case RQCS_COMMAND_OVERRUN: 2826 PRINTF("%s: command overrun for command on target %d, lun %d\n", 2827 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2828 break; 2829 2830 case RQCS_STATUS_OVERRUN: 2831 PRINTF("%s: status overrun for command on target %d, lun %d\n", 2832 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2833 break; 2834 2835 case RQCS_BAD_MESSAGE: 2836 PRINTF("%s: message not COMMAND COMPLETE after status on " 2837 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs), 2838 XS_LUN(xs)); 2839 break; 2840 2841 case RQCS_NO_MESSAGE_OUT: 2842 PRINTF("%s: No MESSAGE OUT phase after selection on " 2843 "target %d, lun %d\n", isp->isp_name, XS_TGT(xs), 2844 XS_LUN(xs)); 2845 break; 2846 2847 case RQCS_EXT_ID_FAILED: 2848 PRINTF("%s: EXTENDED IDENTIFY failed on target %d, lun %d\n", 2849 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2850 break; 2851 2852 case RQCS_IDE_MSG_FAILED: 2853 PRINTF("%s: target %d lun %d rejected INITIATOR DETECTED " 2854 "ERROR message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2855 break; 2856 2857 case RQCS_ABORT_MSG_FAILED: 2858 PRINTF("%s: target %d lun %d rejected ABORT message\n", 2859 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2860 break; 2861 2862 case RQCS_REJECT_MSG_FAILED: 2863 PRINTF("%s: target %d lun %d rejected MESSAGE REJECT message\n", 2864 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2865 break; 2866 2867 case RQCS_NOP_MSG_FAILED: 2868 PRINTF("%s: target %d lun %d rejected NOP message\n", 2869 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2870 break; 2871 2872 case RQCS_PARITY_ERROR_MSG_FAILED: 2873 PRINTF("%s: target %d lun %d rejected MESSAGE PARITY ERROR " 2874 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2875 break; 2876 2877 case RQCS_DEVICE_RESET_MSG_FAILED: 2878 PRINTF("%s: target %d lun %d rejected BUS DEVICE RESET " 2879 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2880 break; 2881 2882 case RQCS_ID_MSG_FAILED: 2883 PRINTF("%s: target %d lun %d rejected IDENTIFY " 2884 "message\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2885 break; 2886 2887 case RQCS_UNEXP_BUS_FREE: 2888 PRINTF("%s: target %d lun %d had an unexpected bus free\n", 2889 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2890 break; 2891 2892 case RQCS_DATA_UNDERRUN: 2893 if (IS_FC(isp)) { 2894 XS_RESID(xs) = sp->req_resid; 2895 /* an UNDERRUN is not a botch ??? */ 2896 } 2897 XS_SETERR(xs, HBA_NOERROR); 2898 return; 2899 2900 case RQCS_XACT_ERR1: 2901 PRINTF("%s: HBA attempted queued transaction with disconnect " 2902 "not set for target %d lun %d\n", isp->isp_name, XS_TGT(xs), 2903 XS_LUN(xs)); 2904 break; 2905 2906 case RQCS_XACT_ERR2: 2907 PRINTF("%s: HBA attempted queued transaction to target " 2908 "routine %d on target %d\n", isp->isp_name, XS_LUN(xs), 2909 XS_TGT(xs)); 2910 break; 2911 2912 case RQCS_XACT_ERR3: 2913 PRINTF("%s: HBA attempted queued transaction for target %d lun " 2914 "%d when queueing disabled\n", isp->isp_name, XS_TGT(xs), 2915 XS_LUN(xs)); 2916 break; 2917 2918 case RQCS_BAD_ENTRY: 2919 PRINTF("%s: invalid IOCB entry type detected\n", isp->isp_name); 2920 break; 2921 2922 case RQCS_QUEUE_FULL: 2923 IDPRINTF(3, ("%s: internal queues full for target %d lun %d " 2924 "status 0x%x\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs), 2925 XS_STS(xs))); 2926 /* 2927 * If QFULL or some other status byte is set, then this 2928 * isn't an error, per se. 2929 */ 2930 if (XS_STS(xs) != 0) { 2931 XS_SETERR(xs, HBA_NOERROR); 2932 return; 2933 } 2934 break; 2935 2936 case RQCS_PHASE_SKIPPED: 2937 PRINTF("%s: SCSI phase skipped (e.g., COMMAND COMPLETE w/o " 2938 "STATUS phase) for target %d lun %d\n", isp->isp_name, 2939 XS_TGT(xs), XS_LUN(xs)); 2940 break; 2941 2942 case RQCS_ARQS_FAILED: 2943 PRINTF("%s: Auto Request Sense failed for target %d lun %d\n", 2944 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2945 XS_SETERR(xs, HBA_ARQFAIL); 2946 return; 2947 2948 case RQCS_WIDE_FAILED: 2949 PRINTF("%s: Wide Negotiation failed for target %d lun %d\n", 2950 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2951 if (IS_SCSI(isp)) { 2952 sdparam *sdp = isp->isp_param; 2953 sdp += XS_CHANNEL(xs); 2954 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_WIDE; 2955 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1; 2956 isp->isp_update = XS_CHANNEL(xs)+1; 2957 } 2958 XS_SETERR(xs, HBA_NOERROR); 2959 return; 2960 2961 case RQCS_SYNCXFER_FAILED: 2962 PRINTF("%s: SDTR Message failed for target %d lun %d\n", 2963 isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2964 if (IS_SCSI(isp)) { 2965 sdparam *sdp = isp->isp_param; 2966 sdp += XS_CHANNEL(xs); 2967 sdp->isp_devparam[XS_TGT(xs)].dev_flags &= ~DPARM_SYNC; 2968 sdp->isp_devparam[XS_TGT(xs)].dev_update = 1; 2969 isp->isp_update = XS_CHANNEL(xs)+1; 2970 } 2971 break; 2972 2973 case RQCS_LVD_BUSERR: 2974 PRINTF("%s: Bad LVD Bus condition while talking to target %d " 2975 "lun %d\n", isp->isp_name, XS_TGT(xs), XS_LUN(xs)); 2976 break; 2977 2978 case RQCS_PORT_UNAVAILABLE: 2979 /* 2980 * No such port on the loop. Moral equivalent of SELTIMEO 2981 */ 2982 IDPRINTF(3, ("%s: Port Unavailable for target %d\n", 2983 isp->isp_name, XS_TGT(xs))); 2984 XS_SETERR(xs, HBA_SELTIMEOUT); 2985 return; 2986 2987 case RQCS_PORT_LOGGED_OUT: 2988 /* 2989 * It was there (maybe)- treat as a selection timeout. 2990 */ 2991 IDPRINTF(2, ("%s: port logout for target %d\n", 2992 isp->isp_name, XS_TGT(xs))); 2993 XS_SETERR(xs, HBA_SELTIMEOUT); 2994 return; 2995 2996 case RQCS_PORT_CHANGED: 2997 PRINTF("%s: port changed for target %d\n", 2998 isp->isp_name, XS_TGT(xs)); 2999 break; 3000 3001 case RQCS_PORT_BUSY: 3002 PRINTF("%s: port busy for target %d\n", 3003 isp->isp_name, XS_TGT(xs)); 3004 XS_SETERR(xs, HBA_TGTBSY); 3005 return; 3006 3007 default: 3008 PRINTF("%s: comp status %x\n", isp->isp_name, 3009 sp->req_completion_status); 3010 break; 3011 } 3012 XS_SETERR(xs, HBA_BOTCH); 3013 } 3014 3015 static void 3016 isp_fastpost_complete(isp, fph) 3017 struct ispsoftc *isp; 3018 u_int32_t fph; 3019 { 3020 ISP_SCSI_XFER_T *xs; 3021 3022 if (fph < 1) { 3023 return; 3024 } 3025 xs = isp_find_xs(isp, fph); 3026 if (xs == NULL) { 3027 PRINTF("%s: command for fast posting handle 0x%x not found\n", 3028 isp->isp_name, fph); 3029 return; 3030 } 3031 isp_destroy_handle(isp, fph); 3032 3033 /* 3034 * Since we don't have a result queue entry item, 3035 * we must believe that SCSI status is zero and 3036 * that all data transferred. 3037 */ 3038 XS_RESID(xs) = 0; 3039 XS_STS(xs) = 0; 3040 if (XS_XFRLEN(xs)) { 3041 ISP_DMAFREE(isp, xs, fph); 3042 } 3043 XS_CMD_DONE(xs); 3044 if (isp->isp_nactive) 3045 isp->isp_nactive--; 3046 } 3047 3048 #define HINIB(x) ((x) >> 0x4) 3049 #define LONIB(x) ((x) & 0xf) 3050 #define MAKNIB(a, b) (((a) << 4) | (b)) 3051 static u_int8_t mbpcnt[] = { 3052 MAKNIB(1, 1), /* 0x00: MBOX_NO_OP */ 3053 MAKNIB(5, 5), /* 0x01: MBOX_LOAD_RAM */ 3054 MAKNIB(2, 0), /* 0x02: MBOX_EXEC_FIRMWARE */ 3055 MAKNIB(5, 5), /* 0x03: MBOX_DUMP_RAM */ 3056 MAKNIB(3, 3), /* 0x04: MBOX_WRITE_RAM_WORD */ 3057 MAKNIB(2, 3), /* 0x05: MBOX_READ_RAM_WORD */ 3058 MAKNIB(6, 6), /* 0x06: MBOX_MAILBOX_REG_TEST */ 3059 MAKNIB(2, 3), /* 0x07: MBOX_VERIFY_CHECKSUM */ 3060 MAKNIB(1, 4), /* 0x08: MBOX_ABOUT_FIRMWARE */ 3061 MAKNIB(0, 0), /* 0x09: */ 3062 MAKNIB(0, 0), /* 0x0a: */ 3063 MAKNIB(0, 0), /* 0x0b: */ 3064 MAKNIB(0, 0), /* 0x0c: */ 3065 MAKNIB(0, 0), /* 0x0d: */ 3066 MAKNIB(1, 2), /* 0x0e: MBOX_CHECK_FIRMWARE */ 3067 MAKNIB(0, 0), /* 0x0f: */ 3068 MAKNIB(5, 5), /* 0x10: MBOX_INIT_REQ_QUEUE */ 3069 MAKNIB(6, 6), /* 0x11: MBOX_INIT_RES_QUEUE */ 3070 MAKNIB(4, 4), /* 0x12: MBOX_EXECUTE_IOCB */ 3071 MAKNIB(2, 2), /* 0x13: MBOX_WAKE_UP */ 3072 MAKNIB(1, 6), /* 0x14: MBOX_STOP_FIRMWARE */ 3073 MAKNIB(4, 4), /* 0x15: MBOX_ABORT */ 3074 MAKNIB(2, 2), /* 0x16: MBOX_ABORT_DEVICE */ 3075 MAKNIB(3, 3), /* 0x17: MBOX_ABORT_TARGET */ 3076 MAKNIB(3, 1), /* 0x18: MBOX_BUS_RESET */ 3077 MAKNIB(2, 3), /* 0x19: MBOX_STOP_QUEUE */ 3078 MAKNIB(2, 3), /* 0x1a: MBOX_START_QUEUE */ 3079 MAKNIB(2, 3), /* 0x1b: MBOX_SINGLE_STEP_QUEUE */ 3080 MAKNIB(2, 3), /* 0x1c: MBOX_ABORT_QUEUE */ 3081 MAKNIB(2, 4), /* 0x1d: MBOX_GET_DEV_QUEUE_STATUS */ 3082 MAKNIB(0, 0), /* 0x1e: */ 3083 MAKNIB(1, 3), /* 0x1f: MBOX_GET_FIRMWARE_STATUS */ 3084 MAKNIB(1, 4), /* 0x20: MBOX_GET_INIT_SCSI_ID, MBOX_GET_LOOP_ID */ 3085 MAKNIB(1, 3), /* 0x21: MBOX_GET_SELECT_TIMEOUT */ 3086 MAKNIB(1, 3), /* 0x22: MBOX_GET_RETRY_COUNT */ 3087 MAKNIB(1, 2), /* 0x23: MBOX_GET_TAG_AGE_LIMIT */ 3088 MAKNIB(1, 2), /* 0x24: MBOX_GET_CLOCK_RATE */ 3089 MAKNIB(1, 2), /* 0x25: MBOX_GET_ACT_NEG_STATE */ 3090 MAKNIB(1, 2), /* 0x26: MBOX_GET_ASYNC_DATA_SETUP_TIME */ 3091 MAKNIB(1, 3), /* 0x27: MBOX_GET_PCI_PARAMS */ 3092 MAKNIB(2, 4), /* 0x28: MBOX_GET_TARGET_PARAMS */ 3093 MAKNIB(2, 4), /* 0x29: MBOX_GET_DEV_QUEUE_PARAMS */ 3094 MAKNIB(1, 2), /* 0x2a: MBOX_GET_RESET_DELAY_PARAMS */ 3095 MAKNIB(0, 0), /* 0x2b: */ 3096 MAKNIB(0, 0), /* 0x2c: */ 3097 MAKNIB(0, 0), /* 0x2d: */ 3098 MAKNIB(0, 0), /* 0x2e: */ 3099 MAKNIB(0, 0), /* 0x2f: */ 3100 MAKNIB(2, 2), /* 0x30: MBOX_SET_INIT_SCSI_ID */ 3101 MAKNIB(2, 3), /* 0x31: MBOX_SET_SELECT_TIMEOUT */ 3102 MAKNIB(3, 3), /* 0x32: MBOX_SET_RETRY_COUNT */ 3103 MAKNIB(2, 2), /* 0x33: MBOX_SET_TAG_AGE_LIMIT */ 3104 MAKNIB(2, 2), /* 0x34: MBOX_SET_CLOCK_RATE */ 3105 MAKNIB(2, 2), /* 0x35: MBOX_SET_ACT_NEG_STATE */ 3106 MAKNIB(2, 2), /* 0x36: MBOX_SET_ASYNC_DATA_SETUP_TIME */ 3107 MAKNIB(3, 3), /* 0x37: MBOX_SET_PCI_CONTROL_PARAMS */ 3108 MAKNIB(4, 4), /* 0x38: MBOX_SET_TARGET_PARAMS */ 3109 MAKNIB(4, 4), /* 0x39: MBOX_SET_DEV_QUEUE_PARAMS */ 3110 MAKNIB(1, 2), /* 0x3a: MBOX_SET_RESET_DELAY_PARAMS */ 3111 MAKNIB(0, 0), /* 0x3b: */ 3112 MAKNIB(0, 0), /* 0x3c: */ 3113 MAKNIB(0, 0), /* 0x3d: */ 3114 MAKNIB(0, 0), /* 0x3e: */ 3115 MAKNIB(0, 0), /* 0x3f: */ 3116 MAKNIB(1, 2), /* 0x40: MBOX_RETURN_BIOS_BLOCK_ADDR */ 3117 MAKNIB(6, 1), /* 0x41: MBOX_WRITE_FOUR_RAM_WORDS */ 3118 MAKNIB(2, 3), /* 0x42: MBOX_EXEC_BIOS_IOCB */ 3119 MAKNIB(0, 0), /* 0x43: */ 3120 MAKNIB(0, 0), /* 0x44: */ 3121 MAKNIB(0, 0), /* 0x45: */ 3122 MAKNIB(0, 0), /* 0x46: */ 3123 MAKNIB(0, 0), /* 0x47: */ 3124 MAKNIB(0, 0), /* 0x48: */ 3125 MAKNIB(0, 0), /* 0x49: */ 3126 MAKNIB(2, 1), /* 0x4a: MBOX_SET_FIRMWARE_FEATURES */ 3127 MAKNIB(1, 2), /* 0x4b: MBOX_GET_FIRMWARE_FEATURES */ 3128 MAKNIB(0, 0), /* 0x4c: */ 3129 MAKNIB(0, 0), /* 0x4d: */ 3130 MAKNIB(0, 0), /* 0x4e: */ 3131 MAKNIB(0, 0), /* 0x4f: */ 3132 MAKNIB(0, 0), /* 0x50: */ 3133 MAKNIB(0, 0), /* 0x51: */ 3134 MAKNIB(0, 0), /* 0x52: */ 3135 MAKNIB(0, 0), /* 0x53: */ 3136 MAKNIB(8, 0), /* 0x54: MBOX_EXEC_COMMAND_IOCB_A64 */ 3137 MAKNIB(2, 1), /* 0x55: MBOX_ENABLE_TARGET_MODE */ 3138 MAKNIB(0, 0), /* 0x56: */ 3139 MAKNIB(0, 0), /* 0x57: */ 3140 MAKNIB(0, 0), /* 0x58: */ 3141 MAKNIB(0, 0), /* 0x59: */ 3142 MAKNIB(0, 0), /* 0x5a: */ 3143 MAKNIB(0, 0), /* 0x5b: */ 3144 MAKNIB(0, 0), /* 0x5c: */ 3145 MAKNIB(0, 0), /* 0x5d: */ 3146 MAKNIB(0, 0), /* 0x5e: */ 3147 MAKNIB(0, 0), /* 0x5f: */ 3148 MAKNIB(8, 6), /* 0x60: MBOX_INIT_FIRMWARE */ 3149 MAKNIB(0, 0), /* 0x61: */ 3150 MAKNIB(2, 1), /* 0x62: MBOX_INIT_LIP */ 3151 MAKNIB(8, 1), /* 0x63: MBOX_GET_FC_AL_POSITION_MAP */ 3152 MAKNIB(8, 1), /* 0x64: MBOX_GET_PORT_DB */ 3153 MAKNIB(3, 1), /* 0x65: MBOX_CLEAR_ACA */ 3154 MAKNIB(3, 1), /* 0x66: MBOX_TARGET_RESET */ 3155 MAKNIB(3, 1), /* 0x67: MBOX_CLEAR_TASK_SET */ 3156 MAKNIB(3, 1), /* 0x68: MBOX_ABORT_TASK_SET */ 3157 MAKNIB(1, 2), /* 0x69: MBOX_GET_FW_STATE */ 3158 MAKNIB(2, 8), /* 0x6a: MBOX_GET_PORT_NAME */ 3159 MAKNIB(8, 1), /* 0x6b: MBOX_GET_LINK_STATUS */ 3160 MAKNIB(4, 4), /* 0x6c: MBOX_INIT_LIP_RESET */ 3161 MAKNIB(0, 0), /* 0x6d: */ 3162 MAKNIB(8, 2), /* 0x6e: MBOX_SEND_SNS */ 3163 MAKNIB(4, 3), /* 0x6f: MBOX_FABRIC_LOGIN */ 3164 MAKNIB(2, 1), /* 0x70: MBOX_SEND_CHANGE_REQUEST */ 3165 MAKNIB(2, 1), /* 0x71: MBOX_FABRIC_LOGOUT */ 3166 MAKNIB(4, 1) /* 0x72: MBOX_INIT_LIP_LOGIN */ 3167 }; 3168 #define NMBCOM (sizeof (mbpcnt) / sizeof (mbpcnt[0])) 3169 3170 static void 3171 isp_mboxcmd(isp, mbp) 3172 struct ispsoftc *isp; 3173 mbreg_t *mbp; 3174 { 3175 int outparam, inparam; 3176 int loops, dld = 0; 3177 u_int8_t opcode; 3178 3179 if (mbp->param[0] == ISP2100_SET_PCI_PARAM) { 3180 opcode = mbp->param[0] = MBOX_SET_PCI_PARAMETERS; 3181 inparam = 4; 3182 outparam = 4; 3183 goto command_known; 3184 } else if (mbp->param[0] > NMBCOM) { 3185 PRINTF("%s: bad command %x\n", isp->isp_name, mbp->param[0]); 3186 return; 3187 } 3188 3189 opcode = mbp->param[0]; 3190 inparam = HINIB(mbpcnt[mbp->param[0]]); 3191 outparam = LONIB(mbpcnt[mbp->param[0]]); 3192 3193 if (inparam == 0 && outparam == 0) { 3194 PRINTF("%s: no parameters for %x\n", isp->isp_name, 3195 mbp->param[0]); 3196 return; 3197 } 3198 3199 3200 /* 3201 * Check for variants 3202 */ 3203 #ifdef ISP2100_SCCLUN 3204 if (IS_FC(isp)) { 3205 switch (mbp->param[0]) { 3206 case MBOX_ABORT: 3207 inparam = 7; 3208 break; 3209 case MBOX_ABORT_DEVICE: 3210 case MBOX_START_QUEUE: 3211 case MBOX_STOP_QUEUE: 3212 case MBOX_SINGLE_STEP_QUEUE: 3213 case MBOX_ABORT_QUEUE: 3214 case MBOX_GET_DEV_QUEUE_STATUS: 3215 inparam = 3; 3216 break; 3217 case MBOX_BUS_RESET: 3218 inparam = 2; 3219 break; 3220 default: 3221 break; 3222 } 3223 } 3224 #endif 3225 3226 command_known: 3227 3228 /* 3229 * Set semaphore on mailbox registers to win any races to acquire them. 3230 */ 3231 ISP_WRITE(isp, BIU_SEMA, 1); 3232 3233 /* 3234 * Qlogic Errata for the ISP2100 says that there is a necessary 3235 * debounce between between writing the semaphore register 3236 * and reading a mailbox register. I believe we're okay here. 3237 */ 3238 3239 /* 3240 * Make sure we can send some words. 3241 * Check to see if there's an async mbox event pending. 3242 */ 3243 3244 loops = MBOX_DELAY_COUNT; 3245 while ((ISP_READ(isp, HCCR) & HCCR_HOST_INT) != 0) { 3246 if (ISP_READ(isp, BIU_SEMA) & 1) { 3247 int fph; 3248 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0); 3249 /* 3250 * We have a pending MBOX async event. 3251 */ 3252 if (mbox & 0x8000) { 3253 fph = isp_parse_async(isp, (int) mbox); 3254 IDPRINTF(5, ("%s: line %d, fph %d\n", 3255 isp->isp_name, __LINE__, fph)); 3256 ISP_WRITE(isp, BIU_SEMA, 0); 3257 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3258 if (fph < 0) { 3259 return; 3260 } else if (fph > 0) { 3261 isp_fastpost_complete(isp, fph); 3262 } 3263 SYS_DELAY(100); 3264 goto command_known; 3265 } 3266 /* 3267 * We have a pending MBOX completion? Might be 3268 * from a previous command. We can't (sometimes) 3269 * just clear HOST INTERRUPT, so we'll just silently 3270 * eat this here. 3271 */ 3272 if (mbox & 0x4000) { 3273 IDPRINTF(5, ("%s: line %d, mbox 0x%x\n", 3274 isp->isp_name, __LINE__, mbox)); 3275 ISP_WRITE(isp, BIU_SEMA, 0); 3276 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3277 SYS_DELAY(100); 3278 goto command_known; 3279 } 3280 } 3281 SYS_DELAY(100); 3282 if (--loops < 0) { 3283 if (dld++ > 10) { 3284 PRINTF("%s: isp_mboxcmd could not get command " 3285 "started\n", isp->isp_name); 3286 return; 3287 } 3288 ISP_WRITE(isp, BIU_SEMA, 0); 3289 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3290 goto command_known; 3291 } 3292 } 3293 3294 /* 3295 * Write input parameters. 3296 * 3297 * Special case some of the setups for the dual port SCSI cards. 3298 * XXX Eventually will be fixed by converting register write/read 3299 * XXX counts to bitmasks. 3300 */ 3301 if (IS_DUALBUS(isp)) { 3302 switch (opcode) { 3303 case MBOX_GET_RETRY_COUNT: 3304 case MBOX_SET_RETRY_COUNT: 3305 ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); 3306 mbp->param[7] = 0; 3307 ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); 3308 mbp->param[6] = 0; 3309 break; 3310 case MBOX_SET_ASYNC_DATA_SETUP_TIME: 3311 case MBOX_SET_ACT_NEG_STATE: 3312 case MBOX_SET_TAG_AGE_LIMIT: 3313 case MBOX_SET_SELECT_TIMEOUT: 3314 ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); 3315 mbp->param[2] = 0; 3316 break; 3317 } 3318 } 3319 3320 switch (inparam) { 3321 case 8: ISP_WRITE(isp, INMAILBOX7, mbp->param[7]); mbp->param[7] = 0; 3322 case 7: ISP_WRITE(isp, INMAILBOX6, mbp->param[6]); mbp->param[6] = 0; 3323 case 6: 3324 /* 3325 * The Qlogic 2100 cannot have registers 4 and 5 written to 3326 * after initialization or BAD THINGS HAPPEN (tm). 3327 */ 3328 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE) 3329 ISP_WRITE(isp, INMAILBOX5, mbp->param[5]); 3330 mbp->param[5] = 0; 3331 case 5: 3332 if (IS_SCSI(isp) || mbp->param[0] == MBOX_INIT_FIRMWARE) 3333 ISP_WRITE(isp, INMAILBOX4, mbp->param[4]); 3334 mbp->param[4] = 0; 3335 case 4: ISP_WRITE(isp, INMAILBOX3, mbp->param[3]); mbp->param[3] = 0; 3336 case 3: ISP_WRITE(isp, INMAILBOX2, mbp->param[2]); mbp->param[2] = 0; 3337 case 2: ISP_WRITE(isp, INMAILBOX1, mbp->param[1]); mbp->param[1] = 0; 3338 case 1: ISP_WRITE(isp, INMAILBOX0, mbp->param[0]); mbp->param[0] = 0; 3339 } 3340 3341 /* 3342 * Clear RISC int condition. 3343 */ 3344 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3345 3346 /* 3347 * Clear semaphore on mailbox registers so that the Qlogic 3348 * may update outgoing registers. 3349 */ 3350 ISP_WRITE(isp, BIU_SEMA, 0); 3351 3352 /* 3353 * Set Host Interrupt condition so that RISC will pick up mailbox regs. 3354 */ 3355 ISP_WRITE(isp, HCCR, HCCR_CMD_SET_HOST_INT); 3356 3357 /* 3358 * Wait until HOST INT has gone away (meaning that the Qlogic 3359 * has picked up the mailbox command. Wait a long time. 3360 */ 3361 loops = MBOX_DELAY_COUNT * 5; 3362 while ((ISP_READ(isp, HCCR) & HCCR_CMD_CLEAR_RISC_INT) != 0) { 3363 SYS_DELAY(100); 3364 if (--loops < 0) { 3365 PRINTF("%s: isp_mboxcmd timeout #2\n", isp->isp_name); 3366 return; 3367 } 3368 } 3369 3370 /* 3371 * While the Semaphore registers isn't set, wait for the Qlogic 3372 * to process the mailbox command. Again- wait a long time. 3373 */ 3374 loops = MBOX_DELAY_COUNT * 5; 3375 while ((ISP_READ(isp, BIU_SEMA) & 1) == 0) { 3376 SYS_DELAY(100); 3377 /* 3378 * Wierd- I've seen the case where the semaphore register 3379 * isn't getting set- sort of a violation of the protocol.. 3380 */ 3381 if (ISP_READ(isp, OUTMAILBOX0) & 0x4000) 3382 break; 3383 if (--loops < 0) { 3384 PRINTF("%s: isp_mboxcmd timeout #3\n", isp->isp_name); 3385 return; 3386 } 3387 } 3388 3389 /* 3390 * Make sure that the MBOX_BUSY has gone away 3391 */ 3392 loops = MBOX_DELAY_COUNT; 3393 for (;;) { 3394 u_int16_t mbox = ISP_READ(isp, OUTMAILBOX0); 3395 if (mbox == MBOX_BUSY) { 3396 if (--loops < 0) { 3397 PRINTF("%s: isp_mboxcmd timeout #4\n", 3398 isp->isp_name); 3399 return; 3400 } 3401 SYS_DELAY(100); 3402 continue; 3403 } 3404 /* 3405 * We have a pending MBOX async event. 3406 */ 3407 if (mbox & 0x8000) { 3408 int fph = isp_parse_async(isp, (int) mbox); 3409 ISP_WRITE(isp, BIU_SEMA, 0); 3410 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3411 if (fph < 0) { 3412 return; 3413 } else if (fph > 0) { 3414 isp_fastpost_complete(isp, fph); 3415 } 3416 SYS_DELAY(100); 3417 continue; 3418 } 3419 break; 3420 } 3421 3422 /* 3423 * Pick up output parameters. Special case some of the readbacks 3424 * for the dual port SCSI cards. 3425 */ 3426 if (IS_DUALBUS(isp)) { 3427 switch (opcode) { 3428 case MBOX_GET_RETRY_COUNT: 3429 case MBOX_SET_RETRY_COUNT: 3430 mbp->param[7] = ISP_READ(isp, OUTMAILBOX7); 3431 mbp->param[6] = ISP_READ(isp, OUTMAILBOX6); 3432 break; 3433 case MBOX_GET_TAG_AGE_LIMIT: 3434 case MBOX_SET_TAG_AGE_LIMIT: 3435 case MBOX_GET_ACT_NEG_STATE: 3436 case MBOX_SET_ACT_NEG_STATE: 3437 case MBOX_SET_ASYNC_DATA_SETUP_TIME: 3438 case MBOX_GET_ASYNC_DATA_SETUP_TIME: 3439 case MBOX_GET_RESET_DELAY_PARAMS: 3440 case MBOX_SET_RESET_DELAY_PARAMS: 3441 mbp->param[2] = ISP_READ(isp, OUTMAILBOX2); 3442 break; 3443 } 3444 } 3445 3446 switch (outparam) { 3447 case 8: mbp->param[7] = ISP_READ(isp, OUTMAILBOX7); 3448 case 7: mbp->param[6] = ISP_READ(isp, OUTMAILBOX6); 3449 case 6: mbp->param[5] = ISP_READ(isp, OUTMAILBOX5); 3450 case 5: mbp->param[4] = ISP_READ(isp, OUTMAILBOX4); 3451 case 4: mbp->param[3] = ISP_READ(isp, OUTMAILBOX3); 3452 case 3: mbp->param[2] = ISP_READ(isp, OUTMAILBOX2); 3453 case 2: mbp->param[1] = ISP_READ(isp, OUTMAILBOX1); 3454 case 1: mbp->param[0] = ISP_READ(isp, OUTMAILBOX0); 3455 } 3456 3457 /* 3458 * Clear RISC int. 3459 */ 3460 ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); 3461 3462 /* 3463 * Release semaphore on mailbox registers 3464 */ 3465 ISP_WRITE(isp, BIU_SEMA, 0); 3466 3467 /* 3468 * Just to be chatty here... 3469 */ 3470 switch (mbp->param[0]) { 3471 case MBOX_COMMAND_COMPLETE: 3472 break; 3473 case MBOX_INVALID_COMMAND: 3474 IDPRINTF(2, ("%s: mbox cmd %x failed with INVALID_COMMAND\n", 3475 isp->isp_name, opcode)); 3476 break; 3477 case MBOX_HOST_INTERFACE_ERROR: 3478 PRINTF("%s: mbox cmd %x failed with HOST_INTERFACE_ERROR\n", 3479 isp->isp_name, opcode); 3480 break; 3481 case MBOX_TEST_FAILED: 3482 PRINTF("%s: mbox cmd %x failed with TEST_FAILED\n", 3483 isp->isp_name, opcode); 3484 break; 3485 case MBOX_COMMAND_ERROR: 3486 if (opcode != MBOX_ABOUT_FIRMWARE) 3487 PRINTF("%s: mbox cmd %x failed with COMMAND_ERROR\n", 3488 isp->isp_name, opcode); 3489 break; 3490 case MBOX_COMMAND_PARAM_ERROR: 3491 switch (opcode) { 3492 case MBOX_GET_PORT_DB: 3493 case MBOX_GET_PORT_NAME: 3494 case MBOX_GET_DEV_QUEUE_PARAMS: 3495 break; 3496 default: 3497 PRINTF("%s: mbox cmd %x failed with " 3498 "COMMAND_PARAM_ERROR\n", isp->isp_name, opcode); 3499 } 3500 break; 3501 3502 /* 3503 * Be silent about these... 3504 */ 3505 case ASYNC_PDB_CHANGED: 3506 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_PDB_RCVD; 3507 break; 3508 3509 case ASYNC_LIP_OCCURRED: 3510 ((fcparam *) isp->isp_param)->isp_lipseq = mbp->param[1]; 3511 /* FALLTHROUGH */ 3512 case ASYNC_LOOP_UP: 3513 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 3514 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_LIP_RCVD; 3515 break; 3516 3517 case ASYNC_LOOP_DOWN: 3518 case ASYNC_LOOP_RESET: 3519 ((fcparam *) isp->isp_param)->isp_fwstate = FW_CONFIG_WAIT; 3520 ((fcparam *) isp->isp_param)->isp_loopstate = LOOP_NIL; 3521 /* FALLTHROUGH */ 3522 case ASYNC_CHANGE_NOTIFY: 3523 break; 3524 3525 default: 3526 /* 3527 * The expected return of EXEC_FIRMWARE is zero. 3528 */ 3529 if ((opcode == MBOX_EXEC_FIRMWARE && mbp->param[0] != 0) || 3530 (opcode != MBOX_EXEC_FIRMWARE)) { 3531 PRINTF("%s: mbox cmd %x failed with error %x\n", 3532 isp->isp_name, opcode, mbp->param[0]); 3533 } 3534 break; 3535 } 3536 } 3537 3538 void 3539 isp_lostcmd(isp, xs) 3540 struct ispsoftc *isp; 3541 ISP_SCSI_XFER_T *xs; 3542 { 3543 mbreg_t mbs; 3544 3545 mbs.param[0] = MBOX_GET_FIRMWARE_STATUS; 3546 isp_mboxcmd(isp, &mbs); 3547 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3548 isp_dumpregs(isp, "couldn't GET FIRMWARE STATUS"); 3549 return; 3550 } 3551 if (mbs.param[1]) { 3552 PRINTF("%s: %d commands on completion queue\n", 3553 isp->isp_name, mbs.param[1]); 3554 } 3555 if (XS_NULL(xs)) 3556 return; 3557 3558 mbs.param[0] = MBOX_GET_DEV_QUEUE_STATUS; 3559 mbs.param[1] = (XS_TGT(xs) << 8) | XS_LUN(xs); /* XXX: WHICH BUS? */ 3560 isp_mboxcmd(isp, &mbs); 3561 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3562 isp_dumpregs(isp, "couldn't GET DEVICE QUEUE STATUS"); 3563 return; 3564 } 3565 PRINTF("%s: lost command for target %d lun %d, %d active of %d, " 3566 "Queue State: %x\n", isp->isp_name, XS_TGT(xs), 3567 XS_LUN(xs), mbs.param[2], mbs.param[3], mbs.param[1]); 3568 3569 isp_dumpregs(isp, "lost command"); 3570 /* 3571 * XXX: Need to try and do something to recover. 3572 */ 3573 } 3574 3575 static void 3576 isp_dumpregs(isp, msg) 3577 struct ispsoftc *isp; 3578 const char *msg; 3579 { 3580 PRINTF("%s: %s\n", isp->isp_name, msg); 3581 if (IS_SCSI(isp)) 3582 PRINTF(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1)); 3583 else 3584 PRINTF(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR)); 3585 PRINTF(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR), 3586 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA)); 3587 PRINTF("risc_hccr=%x\n", ISP_READ(isp, HCCR)); 3588 3589 3590 if (IS_SCSI(isp)) { 3591 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE); 3592 PRINTF(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n", 3593 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS), 3594 ISP_READ(isp, CDMA_FIFO_STS)); 3595 PRINTF(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n", 3596 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS), 3597 ISP_READ(isp, DDMA_FIFO_STS)); 3598 PRINTF(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n", 3599 ISP_READ(isp, SXP_INTERRUPT), 3600 ISP_READ(isp, SXP_GROSS_ERR), 3601 ISP_READ(isp, SXP_PINS_CTRL)); 3602 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); 3603 } 3604 PRINTF(" mbox regs: %x %x %x %x %x\n", 3605 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1), 3606 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3), 3607 ISP_READ(isp, OUTMAILBOX4)); 3608 ISP_DUMPREGS(isp); 3609 } 3610 3611 static void 3612 isp_fw_state(isp) 3613 struct ispsoftc *isp; 3614 { 3615 mbreg_t mbs; 3616 if (IS_FC(isp)) { 3617 int once = 0; 3618 fcparam *fcp = isp->isp_param; 3619 again: 3620 mbs.param[0] = MBOX_GET_FW_STATE; 3621 isp_mboxcmd(isp, &mbs); 3622 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3623 IDPRINTF(1, ("%s: isp_fw_state 0x%x\n", isp->isp_name, 3624 mbs.param[0])); 3625 switch (mbs.param[0]) { 3626 case ASYNC_PDB_CHANGED: 3627 if (once++ < 10) { 3628 goto again; 3629 } 3630 fcp->isp_fwstate = FW_CONFIG_WAIT; 3631 fcp->isp_loopstate = LOOP_PDB_RCVD; 3632 goto again; 3633 case ASYNC_LIP_OCCURRED: 3634 fcp->isp_lipseq = mbs.param[1]; 3635 /* FALLTHROUGH */ 3636 case ASYNC_LOOP_UP: 3637 fcp->isp_fwstate = FW_CONFIG_WAIT; 3638 fcp->isp_loopstate = LOOP_LIP_RCVD; 3639 if (once++ < 10) { 3640 goto again; 3641 } 3642 break; 3643 case ASYNC_LOOP_RESET: 3644 case ASYNC_LOOP_DOWN: 3645 fcp->isp_fwstate = FW_CONFIG_WAIT; 3646 fcp->isp_loopstate = LOOP_NIL; 3647 /* FALLTHROUGH */ 3648 case ASYNC_CHANGE_NOTIFY: 3649 if (once++ < 10) { 3650 goto again; 3651 } 3652 break; 3653 } 3654 PRINTF("%s: GET FIRMWARE STATE failed (0x%x)\n", 3655 isp->isp_name, mbs.param[0]); 3656 return; 3657 } 3658 fcp->isp_fwstate = mbs.param[1]; 3659 } 3660 } 3661 3662 static void 3663 isp_update(isp) 3664 struct ispsoftc *isp; 3665 { 3666 int bus; 3667 3668 for (bus = 0; isp->isp_update != 0; bus++) { 3669 if (isp->isp_update & (1 << bus)) { 3670 isp_update_bus(isp, bus); 3671 isp->isp_update ^= (1 << bus); 3672 } 3673 } 3674 } 3675 3676 static void 3677 isp_update_bus(isp, bus) 3678 struct ispsoftc *isp; 3679 int bus; 3680 { 3681 int tgt; 3682 mbreg_t mbs; 3683 sdparam *sdp; 3684 3685 if (IS_FC(isp)) { 3686 return; 3687 } 3688 3689 sdp = isp->isp_param; 3690 sdp += bus; 3691 3692 for (tgt = 0; tgt < MAX_TARGETS; tgt++) { 3693 u_int16_t flags, period, offset; 3694 int get; 3695 3696 if (sdp->isp_devparam[tgt].dev_enable == 0) { 3697 IDPRINTF(1, ("%s: skipping target %d bus %d update\n", 3698 isp->isp_name, tgt, bus)); 3699 continue; 3700 } 3701 3702 /* 3703 * If the goal is to update the status of the device, 3704 * take what's in dev_flags and try and set the device 3705 * toward that. Otherwise, if we're just refreshing the 3706 * current device state, get the current parameters. 3707 */ 3708 if (sdp->isp_devparam[tgt].dev_update) { 3709 mbs.param[0] = MBOX_SET_TARGET_PARAMS; 3710 mbs.param[2] = sdp->isp_devparam[tgt].dev_flags; 3711 /* 3712 * Insist that PARITY must be enabled if SYNC 3713 * is enabled. 3714 */ 3715 if (mbs.param[2] & DPARM_SYNC) { 3716 mbs.param[2] |= DPARM_PARITY; 3717 } 3718 mbs.param[3] = 3719 (sdp->isp_devparam[tgt].sync_offset << 8) | 3720 (sdp->isp_devparam[tgt].sync_period); 3721 sdp->isp_devparam[tgt].dev_update = 0; 3722 /* 3723 * A command completion later that has 3724 * RQSTF_NEGOTIATION set will cause 3725 * the dev_refresh/announce cycle. 3726 * 3727 * Note: It is really important to update our current 3728 * flags with at least the state of TAG capabilities- 3729 * otherwise we might try and send a tagged command 3730 * when we have it all turned off. So change it here 3731 * to say that current already matches goal. 3732 */ 3733 sdp->isp_devparam[tgt].cur_dflags &= ~DPARM_TQING; 3734 sdp->isp_devparam[tgt].cur_dflags |= 3735 (sdp->isp_devparam[tgt].dev_flags & DPARM_TQING); 3736 sdp->isp_devparam[tgt].dev_refresh = 1; 3737 IDPRINTF(3, ("%s: bus %d set tgt %d flags 0x%x off 0x%x" 3738 " period 0x%x\n", isp->isp_name, bus, tgt, 3739 mbs.param[2], mbs.param[3] >> 8, 3740 mbs.param[3] & 0xff)); 3741 get = 0; 3742 } else if (sdp->isp_devparam[tgt].dev_refresh) { 3743 mbs.param[0] = MBOX_GET_TARGET_PARAMS; 3744 sdp->isp_devparam[tgt].dev_refresh = 0; 3745 get = 1; 3746 } else { 3747 continue; 3748 } 3749 mbs.param[1] = (bus << 15) | (tgt << 8) ; 3750 isp_mboxcmd(isp, &mbs); 3751 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3752 PRINTF("%s: failed to %cet SCSI parameters for " 3753 "target %d\n", isp->isp_name, (get)? 'g' : 's', 3754 tgt); 3755 continue; 3756 } 3757 if (get == 0) { 3758 isp->isp_sendmarker |= (1 << bus); 3759 continue; 3760 } 3761 flags = mbs.param[2]; 3762 period = mbs.param[3] & 0xff; 3763 offset = mbs.param[3] >> 8; 3764 sdp->isp_devparam[tgt].cur_dflags = flags; 3765 sdp->isp_devparam[tgt].cur_period = period; 3766 sdp->isp_devparam[tgt].cur_offset = offset; 3767 get = (bus << 16) | tgt; 3768 (void) isp_async(isp, ISPASYNC_NEW_TGT_PARAMS, &get); 3769 } 3770 } 3771 3772 static void 3773 isp_setdfltparm(isp, channel) 3774 struct ispsoftc *isp; 3775 int channel; 3776 { 3777 int tgt; 3778 mbreg_t mbs; 3779 sdparam *sdp; 3780 3781 if (IS_FC(isp)) { 3782 fcparam *fcp = (fcparam *) isp->isp_param; 3783 fcp += channel; 3784 if (fcp->isp_gotdparms) { 3785 return; 3786 } 3787 fcp->isp_gotdparms = 1; 3788 fcp->isp_maxfrmlen = ICB_DFLT_FRMLEN; 3789 fcp->isp_maxalloc = ICB_DFLT_ALLOC; 3790 fcp->isp_execthrottle = ICB_DFLT_THROTTLE; 3791 fcp->isp_retry_delay = ICB_DFLT_RDELAY; 3792 fcp->isp_retry_count = ICB_DFLT_RCOUNT; 3793 /* Platform specific.... */ 3794 fcp->isp_loopid = DEFAULT_LOOPID(isp); 3795 fcp->isp_nodewwn = DEFAULT_WWN(isp); 3796 fcp->isp_portwwn = 0; 3797 /* 3798 * Now try and read NVRAM 3799 */ 3800 if ((isp->isp_confopts & (ISP_CFG_NONVRAM|ISP_CFG_OWNWWN)) || 3801 (isp_read_nvram(isp))) { 3802 PRINTF("%s: using Node WWN 0x%08x%08x\n", 3803 isp->isp_name, (u_int32_t)(fcp->isp_nodewwn >> 32), 3804 (u_int32_t)(fcp->isp_nodewwn & 0xffffffff)); 3805 } 3806 return; 3807 } 3808 3809 sdp = (sdparam *) isp->isp_param; 3810 sdp += channel; 3811 3812 /* 3813 * Been there, done that, got the T-shirt... 3814 */ 3815 if (sdp->isp_gotdparms) { 3816 return; 3817 } 3818 sdp->isp_gotdparms = 1; 3819 3820 /* 3821 * If we've not been told to avoid reading NVRAM, try and read it. 3822 * If we're successful reading it, we can return since NVRAM will 3823 * tell us the right thing to do. Otherwise, establish some reasonable 3824 * defaults. 3825 */ 3826 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) { 3827 if (isp_read_nvram(isp) == 0) { 3828 return; 3829 } 3830 } 3831 3832 /* 3833 * Now try and see whether we have specific values for them. 3834 */ 3835 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) { 3836 mbs.param[0] = MBOX_GET_ACT_NEG_STATE; 3837 isp_mboxcmd(isp, &mbs); 3838 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3839 IDPRINTF(2, ("could not GET ACT NEG STATE\n")); 3840 sdp->isp_req_ack_active_neg = 1; 3841 sdp->isp_data_line_active_neg = 1; 3842 } else { 3843 sdp->isp_req_ack_active_neg = 3844 (mbs.param[1+channel] >> 4) & 0x1; 3845 sdp->isp_data_line_active_neg = 3846 (mbs.param[1+channel] >> 5) & 0x1; 3847 } 3848 } else { 3849 sdp->isp_req_ack_active_neg = 1; 3850 sdp->isp_data_line_active_neg = 1; 3851 } 3852 3853 IDPRINTF(3, ("%s: defaulting bus %d REQ/ACK Active Negation is %d\n", 3854 isp->isp_name, channel, sdp->isp_req_ack_active_neg)); 3855 IDPRINTF(3, ("%s: defaulting bus %d DATA Active Negation is %d\n", 3856 isp->isp_name, channel, sdp->isp_data_line_active_neg)); 3857 3858 /* 3859 * The trick here is to establish a default for the default (honk!) 3860 * state (dev_flags). Then try and get the current status from 3861 * the card to fill in the current state. We don't, in fact, set 3862 * the default to the SAFE default state- that's not the goal state. 3863 */ 3864 for (tgt = 0; tgt < MAX_TARGETS; tgt++) { 3865 sdp->isp_devparam[tgt].cur_offset = 0; 3866 sdp->isp_devparam[tgt].cur_period = 0; 3867 sdp->isp_devparam[tgt].dev_flags = DPARM_DEFAULT; 3868 sdp->isp_devparam[tgt].cur_dflags = 0; 3869 /* 3870 * We default to Wide/Fast for versions less than a 1040 3871 * (unless it's SBus). 3872 */ 3873 if ((isp->isp_bustype == ISP_BT_SBUS && 3874 isp->isp_type < ISP_HA_SCSI_1020A) || 3875 (isp->isp_bustype == ISP_BT_PCI && 3876 isp->isp_type < ISP_HA_SCSI_1040) || 3877 (isp->isp_clock && isp->isp_clock < 60)) { 3878 sdp->isp_devparam[tgt].sync_offset = 3879 ISP_10M_SYNCPARMS >> 8; 3880 sdp->isp_devparam[tgt].sync_period = 3881 ISP_10M_SYNCPARMS & 0xff; 3882 } else if (IS_ULTRA2(isp)) { 3883 sdp->isp_devparam[tgt].sync_offset = 3884 ISP_40M_SYNCPARMS >> 8; 3885 sdp->isp_devparam[tgt].sync_period = 3886 ISP_40M_SYNCPARMS & 0xff; 3887 } else { 3888 sdp->isp_devparam[tgt].sync_offset = 3889 ISP_20M_SYNCPARMS >> 8; 3890 sdp->isp_devparam[tgt].sync_period = 3891 ISP_20M_SYNCPARMS & 0xff; 3892 } 3893 3894 /* 3895 * Don't get current target parameters if we've been 3896 * told not to use NVRAM- it's really the same thing. 3897 */ 3898 if ((isp->isp_confopts & ISP_CFG_NONVRAM) == 0) { 3899 3900 mbs.param[0] = MBOX_GET_TARGET_PARAMS; 3901 mbs.param[1] = tgt << 8; 3902 isp_mboxcmd(isp, &mbs); 3903 if (mbs.param[0] != MBOX_COMMAND_COMPLETE) { 3904 continue; 3905 } 3906 sdp->isp_devparam[tgt].cur_dflags = mbs.param[2]; 3907 sdp->isp_devparam[tgt].dev_flags = mbs.param[2]; 3908 sdp->isp_devparam[tgt].cur_period = mbs.param[3] & 0xff; 3909 sdp->isp_devparam[tgt].cur_offset = mbs.param[3] >> 8; 3910 3911 /* 3912 * The maximum period we can really see 3913 * here is 100 (decimal), or 400 ns. 3914 * For some unknown reason we sometimes 3915 * get back wildass numbers from the 3916 * boot device's parameters (alpha only). 3917 */ 3918 if ((mbs.param[3] & 0xff) <= 0x64) { 3919 sdp->isp_devparam[tgt].sync_period = 3920 mbs.param[3] & 0xff; 3921 sdp->isp_devparam[tgt].sync_offset = 3922 mbs.param[3] >> 8; 3923 } 3924 3925 /* 3926 * It is not safe to run Ultra Mode with a clock < 60. 3927 */ 3928 if (((isp->isp_clock && isp->isp_clock < 60) || 3929 (isp->isp_type < ISP_HA_SCSI_1020A)) && 3930 (sdp->isp_devparam[tgt].sync_period <= 3931 (ISP_20M_SYNCPARMS & 0xff))) { 3932 sdp->isp_devparam[tgt].sync_offset = 3933 ISP_10M_SYNCPARMS >> 8; 3934 sdp->isp_devparam[tgt].sync_period = 3935 ISP_10M_SYNCPARMS & 0xff; 3936 } 3937 } 3938 IDPRINTF(3, ("%s: bus %d tgt %d flags %x offset %x period %x\n", 3939 isp->isp_name, channel, tgt, 3940 sdp->isp_devparam[tgt].dev_flags, 3941 sdp->isp_devparam[tgt].sync_offset, 3942 sdp->isp_devparam[tgt].sync_period)); 3943 } 3944 3945 /* 3946 * Establish default some more default parameters. 3947 */ 3948 sdp->isp_cmd_dma_burst_enable = 1; 3949 sdp->isp_data_dma_burst_enabl = 1; 3950 sdp->isp_fifo_threshold = 0; 3951 sdp->isp_initiator_id = 7; 3952 /* XXXX This is probably based upon clock XXXX */ 3953 if (isp->isp_type >= ISP_HA_SCSI_1040) { 3954 sdp->isp_async_data_setup = 9; 3955 } else { 3956 sdp->isp_async_data_setup = 6; 3957 } 3958 sdp->isp_selection_timeout = 250; 3959 sdp->isp_max_queue_depth = MAXISPREQUEST; 3960 sdp->isp_tag_aging = 8; 3961 sdp->isp_bus_reset_delay = 3; 3962 sdp->isp_retry_count = 2; 3963 sdp->isp_retry_delay = 2; 3964 3965 for (tgt = 0; tgt < MAX_TARGETS; tgt++) { 3966 sdp->isp_devparam[tgt].exc_throttle = 16; 3967 sdp->isp_devparam[tgt].dev_enable = 1; 3968 } 3969 } 3970 3971 /* 3972 * Re-initialize the ISP and complete all orphaned commands 3973 * with a 'botched' notice. The reset/init routines should 3974 * not disturb an already active list of commands. 3975 * 3976 * Locks held prior to coming here. 3977 */ 3978 3979 void 3980 isp_restart(isp) 3981 struct ispsoftc *isp; 3982 { 3983 ISP_SCSI_XFER_T *xs; 3984 u_int32_t handle; 3985 3986 #if 0 3987 isp->isp_gotdparms = 0; 3988 #endif 3989 isp_reset(isp); 3990 if (isp->isp_state == ISP_RESETSTATE) { 3991 isp_init(isp); 3992 if (isp->isp_state == ISP_INITSTATE) { 3993 isp->isp_state = ISP_RUNSTATE; 3994 } 3995 } 3996 if (isp->isp_state != ISP_RUNSTATE) { 3997 PRINTF("%s: isp_restart cannot restart ISP\n", isp->isp_name); 3998 } 3999 isp->isp_nactive = 0; 4000 4001 for (handle = 1; handle <= (int) isp->isp_maxcmds; handle++) { 4002 xs = isp_find_xs(isp, handle); 4003 if (xs == NULL) { 4004 continue; 4005 } 4006 isp_destroy_handle(isp, handle); 4007 if (XS_XFRLEN(xs)) { 4008 ISP_DMAFREE(isp, xs, handle); 4009 XS_RESID(xs) = XS_XFRLEN(xs); 4010 } else { 4011 XS_RESID(xs) = 0; 4012 } 4013 XS_SETERR(xs, HBA_BUSRESET); 4014 XS_CMD_DONE(xs); 4015 } 4016 } 4017 4018 /* 4019 * NVRAM Routines 4020 */ 4021 4022 static int 4023 isp_read_nvram(isp) 4024 struct ispsoftc *isp; 4025 { 4026 static char *tru = "true"; 4027 static char *not = "false"; 4028 int i, amt; 4029 u_int8_t csum, minversion; 4030 union { 4031 u_int8_t _x[ISP2100_NVRAM_SIZE]; 4032 u_int16_t _s[ISP2100_NVRAM_SIZE>>1]; 4033 } _n; 4034 #define nvram_data _n._x 4035 #define nvram_words _n._s 4036 4037 if (IS_FC(isp)) { 4038 amt = ISP2100_NVRAM_SIZE; 4039 minversion = 1; 4040 } else if (IS_ULTRA2(isp)) { 4041 amt = ISP1080_NVRAM_SIZE; 4042 minversion = 0; 4043 } else { 4044 amt = ISP_NVRAM_SIZE; 4045 minversion = 2; 4046 } 4047 4048 /* 4049 * Just read the first two words first to see if we have a valid 4050 * NVRAM to continue reading the rest with. 4051 */ 4052 for (i = 0; i < 2; i++) { 4053 isp_rdnvram_word(isp, i, &nvram_words[i]); 4054 } 4055 if (nvram_data[0] != 'I' || nvram_data[1] != 'S' || 4056 nvram_data[2] != 'P') { 4057 if (isp->isp_bustype != ISP_BT_SBUS) { 4058 PRINTF("%s: invalid NVRAM header (%x,%x,%x,%x)\n", 4059 isp->isp_name, nvram_data[0], nvram_data[1], 4060 nvram_data[2], nvram_data[3]); 4061 } 4062 return (-1); 4063 } 4064 for (i = 2; i < amt>>1; i++) { 4065 isp_rdnvram_word(isp, i, &nvram_words[i]); 4066 } 4067 for (csum = 0, i = 0; i < amt; i++) { 4068 csum += nvram_data[i]; 4069 } 4070 if (csum != 0) { 4071 PRINTF("%s: invalid NVRAM checksum\n", isp->isp_name); 4072 return (-1); 4073 } 4074 if (ISP_NVRAM_VERSION(nvram_data) < minversion) { 4075 PRINTF("%s: version %d NVRAM not understood\n", isp->isp_name, 4076 ISP_NVRAM_VERSION(nvram_data)); 4077 return (-1); 4078 } 4079 4080 if (IS_ULTRA2(isp)) { 4081 int bus; 4082 sdparam *sdp = (sdparam *) isp->isp_param; 4083 for (bus = 0; bus < (IS_DUALBUS(isp)? 2 : 1); bus++, sdp++) { 4084 sdp->isp_fifo_threshold = 4085 ISP1080_NVRAM_FIFO_THRESHOLD(nvram_data); 4086 4087 sdp->isp_initiator_id = 4088 ISP1080_NVRAM_INITIATOR_ID(nvram_data, bus); 4089 4090 sdp->isp_bus_reset_delay = 4091 ISP1080_NVRAM_BUS_RESET_DELAY(nvram_data, bus); 4092 4093 sdp->isp_retry_count = 4094 ISP1080_NVRAM_BUS_RETRY_COUNT(nvram_data, bus); 4095 4096 sdp->isp_retry_delay = 4097 ISP1080_NVRAM_BUS_RETRY_DELAY(nvram_data, bus); 4098 4099 sdp->isp_async_data_setup = 4100 ISP1080_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data, 4101 bus); 4102 4103 sdp->isp_req_ack_active_neg = 4104 ISP1080_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data, 4105 bus); 4106 4107 sdp->isp_data_line_active_neg = 4108 ISP1080_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data, 4109 bus); 4110 4111 sdp->isp_data_dma_burst_enabl = 4112 ISP1080_NVRAM_BURST_ENABLE(nvram_data); 4113 4114 sdp->isp_cmd_dma_burst_enable = 4115 ISP1080_NVRAM_BURST_ENABLE(nvram_data); 4116 4117 sdp->isp_selection_timeout = 4118 ISP1080_NVRAM_SELECTION_TIMEOUT(nvram_data, bus); 4119 4120 sdp->isp_max_queue_depth = 4121 ISP1080_NVRAM_MAX_QUEUE_DEPTH(nvram_data, bus); 4122 4123 if (isp->isp_dblev >= 3) { 4124 PRINTF("%s: ISP1080 bus %d NVRAM values:\n", 4125 isp->isp_name, bus); 4126 PRINTF(" Initiator ID = %d\n", 4127 sdp->isp_initiator_id); 4128 PRINTF(" Fifo Threshold = 0x%x\n", 4129 sdp->isp_fifo_threshold); 4130 PRINTF(" Bus Reset Delay = %d\n", 4131 sdp->isp_bus_reset_delay); 4132 PRINTF(" Retry Count = %d\n", 4133 sdp->isp_retry_count); 4134 PRINTF(" Retry Delay = %d\n", 4135 sdp->isp_retry_delay); 4136 PRINTF(" Tag Age Limit = %d\n", 4137 sdp->isp_tag_aging); 4138 PRINTF(" Selection Timeout = %d\n", 4139 sdp->isp_selection_timeout); 4140 PRINTF(" Max Queue Depth = %d\n", 4141 sdp->isp_max_queue_depth); 4142 PRINTF(" Async Data Setup = 0x%x\n", 4143 sdp->isp_async_data_setup); 4144 PRINTF(" REQ/ACK Active Negation = %s\n", 4145 sdp->isp_req_ack_active_neg? tru : not); 4146 PRINTF(" Data Line Active Negation = %s\n", 4147 sdp->isp_data_line_active_neg? tru : not); 4148 PRINTF(" Cmd DMA Burst Enable = %s\n", 4149 sdp->isp_cmd_dma_burst_enable? tru : not); 4150 } 4151 for (i = 0; i < MAX_TARGETS; i++) { 4152 sdp->isp_devparam[i].dev_enable = 4153 ISP1080_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i, bus); 4154 sdp->isp_devparam[i].exc_throttle = 4155 ISP1080_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i, bus); 4156 sdp->isp_devparam[i].sync_offset = 4157 ISP1080_NVRAM_TGT_SYNC_OFFSET(nvram_data, i, bus); 4158 sdp->isp_devparam[i].sync_period = 4159 ISP1080_NVRAM_TGT_SYNC_PERIOD(nvram_data, i, bus); 4160 sdp->isp_devparam[i].dev_flags = 0; 4161 if (ISP1080_NVRAM_TGT_RENEG(nvram_data, i, bus)) 4162 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG; 4163 if (ISP1080_NVRAM_TGT_QFRZ(nvram_data, i, bus)) { 4164 PRINTF("%s: not supporting QFRZ option " 4165 "for target %d bus %d\n", 4166 isp->isp_name, i, bus); 4167 } 4168 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ; 4169 if (ISP1080_NVRAM_TGT_ARQ(nvram_data, i, bus) == 0) { 4170 PRINTF("%s: not disabling ARQ option " 4171 "for target %d bus %d\n", 4172 isp->isp_name, i, bus); 4173 } 4174 if (ISP1080_NVRAM_TGT_TQING(nvram_data, i, bus)) 4175 sdp->isp_devparam[i].dev_flags |= DPARM_TQING; 4176 if (ISP1080_NVRAM_TGT_SYNC(nvram_data, i, bus)) 4177 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC; 4178 if (ISP1080_NVRAM_TGT_WIDE(nvram_data, i, bus)) 4179 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE; 4180 if (ISP1080_NVRAM_TGT_PARITY(nvram_data, i, bus)) 4181 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY; 4182 if (ISP1080_NVRAM_TGT_DISC(nvram_data, i, bus)) 4183 sdp->isp_devparam[i].dev_flags |= DPARM_DISC; 4184 sdp->isp_devparam[i].cur_dflags = 0; 4185 if (isp->isp_dblev >= 3) { 4186 PRINTF(" Target %d: Ena %d Throttle " 4187 "%d Offset %d Period %d Flags " 4188 "0x%x\n", i, 4189 sdp->isp_devparam[i].dev_enable, 4190 sdp->isp_devparam[i].exc_throttle, 4191 sdp->isp_devparam[i].sync_offset, 4192 sdp->isp_devparam[i].sync_period, 4193 sdp->isp_devparam[i].dev_flags); 4194 } 4195 } 4196 } 4197 } else if (IS_SCSI(isp)) { 4198 sdparam *sdp = (sdparam *) isp->isp_param; 4199 4200 sdp->isp_fifo_threshold = 4201 ISP_NVRAM_FIFO_THRESHOLD(nvram_data) | 4202 (ISP_NVRAM_FIFO_THRESHOLD_128(nvram_data) << 2); 4203 4204 sdp->isp_initiator_id = 4205 ISP_NVRAM_INITIATOR_ID(nvram_data); 4206 4207 sdp->isp_bus_reset_delay = 4208 ISP_NVRAM_BUS_RESET_DELAY(nvram_data); 4209 4210 sdp->isp_retry_count = 4211 ISP_NVRAM_BUS_RETRY_COUNT(nvram_data); 4212 4213 sdp->isp_retry_delay = 4214 ISP_NVRAM_BUS_RETRY_DELAY(nvram_data); 4215 4216 sdp->isp_async_data_setup = 4217 ISP_NVRAM_ASYNC_DATA_SETUP_TIME(nvram_data); 4218 4219 if (isp->isp_type >= ISP_HA_SCSI_1040) { 4220 if (sdp->isp_async_data_setup < 9) { 4221 sdp->isp_async_data_setup = 9; 4222 } 4223 } else { 4224 if (sdp->isp_async_data_setup != 6) { 4225 sdp->isp_async_data_setup = 6; 4226 } 4227 } 4228 4229 sdp->isp_req_ack_active_neg = 4230 ISP_NVRAM_REQ_ACK_ACTIVE_NEGATION(nvram_data); 4231 4232 sdp->isp_data_line_active_neg = 4233 ISP_NVRAM_DATA_LINE_ACTIVE_NEGATION(nvram_data); 4234 4235 sdp->isp_data_dma_burst_enabl = 4236 ISP_NVRAM_DATA_DMA_BURST_ENABLE(nvram_data); 4237 4238 sdp->isp_cmd_dma_burst_enable = 4239 ISP_NVRAM_CMD_DMA_BURST_ENABLE(nvram_data); 4240 4241 sdp->isp_tag_aging = 4242 ISP_NVRAM_TAG_AGE_LIMIT(nvram_data); 4243 4244 sdp->isp_selection_timeout = 4245 ISP_NVRAM_SELECTION_TIMEOUT(nvram_data); 4246 4247 sdp->isp_max_queue_depth = 4248 ISP_NVRAM_MAX_QUEUE_DEPTH(nvram_data); 4249 4250 isp->isp_fast_mttr = ISP_NVRAM_FAST_MTTR_ENABLE(nvram_data); 4251 if (isp->isp_dblev > 2) { 4252 PRINTF("%s: NVRAM values:\n", isp->isp_name); 4253 PRINTF(" Fifo Threshold = 0x%x\n", 4254 sdp->isp_fifo_threshold); 4255 PRINTF(" Bus Reset Delay = %d\n", 4256 sdp->isp_bus_reset_delay); 4257 PRINTF(" Retry Count = %d\n", 4258 sdp->isp_retry_count); 4259 PRINTF(" Retry Delay = %d\n", 4260 sdp->isp_retry_delay); 4261 PRINTF(" Tag Age Limit = %d\n", 4262 sdp->isp_tag_aging); 4263 PRINTF(" Selection Timeout = %d\n", 4264 sdp->isp_selection_timeout); 4265 PRINTF(" Max Queue Depth = %d\n", 4266 sdp->isp_max_queue_depth); 4267 PRINTF(" Async Data Setup = 0x%x\n", 4268 sdp->isp_async_data_setup); 4269 PRINTF(" REQ/ACK Active Negation = %s\n", 4270 sdp->isp_req_ack_active_neg? tru : not); 4271 PRINTF(" Data Line Active Negation = %s\n", 4272 sdp->isp_data_line_active_neg? tru : not); 4273 PRINTF(" Data DMA Burst Enable = %s\n", 4274 sdp->isp_data_dma_burst_enabl? tru : not); 4275 PRINTF(" Cmd DMA Burst Enable = %s\n", 4276 sdp->isp_cmd_dma_burst_enable? tru : not); 4277 PRINTF(" Fast MTTR = %s\n", 4278 isp->isp_fast_mttr? tru : not); 4279 } 4280 for (i = 0; i < MAX_TARGETS; i++) { 4281 sdp->isp_devparam[i].dev_enable = 4282 ISP_NVRAM_TGT_DEVICE_ENABLE(nvram_data, i); 4283 sdp->isp_devparam[i].exc_throttle = 4284 ISP_NVRAM_TGT_EXEC_THROTTLE(nvram_data, i); 4285 sdp->isp_devparam[i].sync_offset = 4286 ISP_NVRAM_TGT_SYNC_OFFSET(nvram_data, i); 4287 sdp->isp_devparam[i].sync_period = 4288 ISP_NVRAM_TGT_SYNC_PERIOD(nvram_data, i); 4289 4290 if (isp->isp_type < ISP_HA_SCSI_1040) { 4291 /* 4292 * If we're not ultra, we can't possibly 4293 * be a shorter period than this. 4294 */ 4295 if (sdp->isp_devparam[i].sync_period < 0x19) { 4296 sdp->isp_devparam[i].sync_period = 4297 0x19; 4298 } 4299 if (sdp->isp_devparam[i].sync_offset > 0xc) { 4300 sdp->isp_devparam[i].sync_offset = 4301 0x0c; 4302 } 4303 } else { 4304 if (sdp->isp_devparam[i].sync_offset > 0x8) { 4305 sdp->isp_devparam[i].sync_offset = 0x8; 4306 } 4307 } 4308 sdp->isp_devparam[i].dev_flags = 0; 4309 if (ISP_NVRAM_TGT_RENEG(nvram_data, i)) 4310 sdp->isp_devparam[i].dev_flags |= DPARM_RENEG; 4311 if (ISP_NVRAM_TGT_QFRZ(nvram_data, i)) { 4312 PRINTF("%s: not supporting QFRZ option for " 4313 "target %d\n", isp->isp_name, i); 4314 } 4315 sdp->isp_devparam[i].dev_flags |= DPARM_ARQ; 4316 if (ISP_NVRAM_TGT_ARQ(nvram_data, i) == 0) { 4317 PRINTF("%s: not disabling ARQ option for " 4318 "target %d\n", isp->isp_name, i); 4319 } 4320 if (ISP_NVRAM_TGT_TQING(nvram_data, i)) 4321 sdp->isp_devparam[i].dev_flags |= DPARM_TQING; 4322 if (ISP_NVRAM_TGT_SYNC(nvram_data, i)) 4323 sdp->isp_devparam[i].dev_flags |= DPARM_SYNC; 4324 if (ISP_NVRAM_TGT_WIDE(nvram_data, i)) 4325 sdp->isp_devparam[i].dev_flags |= DPARM_WIDE; 4326 if (ISP_NVRAM_TGT_PARITY(nvram_data, i)) 4327 sdp->isp_devparam[i].dev_flags |= DPARM_PARITY; 4328 if (ISP_NVRAM_TGT_DISC(nvram_data, i)) 4329 sdp->isp_devparam[i].dev_flags |= DPARM_DISC; 4330 sdp->isp_devparam[i].cur_dflags = 0; /* we don't know */ 4331 if (isp->isp_dblev > 2) { 4332 PRINTF(" Target %d: Enabled %d Throttle %d " 4333 "Offset %d Period %d Flags 0x%x\n", i, 4334 sdp->isp_devparam[i].dev_enable, 4335 sdp->isp_devparam[i].exc_throttle, 4336 sdp->isp_devparam[i].sync_offset, 4337 sdp->isp_devparam[i].sync_period, 4338 sdp->isp_devparam[i].dev_flags); 4339 } 4340 } 4341 } else { 4342 fcparam *fcp = (fcparam *) isp->isp_param; 4343 union { 4344 struct { 4345 #if BYTE_ORDER == BIG_ENDIAN 4346 u_int32_t hi32; 4347 u_int32_t lo32; 4348 #else 4349 u_int32_t lo32; 4350 u_int32_t hi32; 4351 #endif 4352 } wd; 4353 u_int64_t full64; 4354 } wwnstore; 4355 4356 wwnstore.full64 = ISP2100_NVRAM_NODE_NAME(nvram_data); 4357 /* 4358 * Broken PTI cards with nothing in the top nibble. Pah. 4359 */ 4360 if ((wwnstore.wd.hi32 >> 28) == 0) { 4361 wwnstore.wd.hi32 |= (2 << 28); 4362 CFGPRINTF("%s: (corrected) Adapter WWN 0x%08x%08x\n", 4363 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32); 4364 } else { 4365 CFGPRINTF("%s: Adapter WWN 0x%08x%08x\n", isp->isp_name, 4366 wwnstore.wd.hi32, wwnstore.wd.lo32); 4367 } 4368 fcp->isp_nodewwn = wwnstore.full64; 4369 4370 /* 4371 * If the Node WWN has 2 in the top nibble, we can 4372 * authoritatively construct a Port WWN by adding 4373 * our unit number (plus one to make it nonzero) and 4374 * putting it into bits 59..56. If the top nibble isn't 4375 * 2, then we just set them identically. 4376 */ 4377 if ((fcp->isp_nodewwn >> 60) == 2) { 4378 fcp->isp_portwwn = fcp->isp_nodewwn | 4379 (((u_int64_t)(isp->isp_unit+1)) << 56); 4380 } else { 4381 fcp->isp_portwwn = fcp->isp_nodewwn; 4382 } 4383 wwnstore.full64 = ISP2100_NVRAM_BOOT_NODE_NAME(nvram_data); 4384 if (wwnstore.full64 != 0) { 4385 PRINTF("%s: BOOT DEVICE WWN 0x%08x%08x\n", 4386 isp->isp_name, wwnstore.wd.hi32, wwnstore.wd.lo32); 4387 } 4388 fcp->isp_maxalloc = 4389 ISP2100_NVRAM_MAXIOCBALLOCATION(nvram_data); 4390 fcp->isp_maxfrmlen = 4391 ISP2100_NVRAM_MAXFRAMELENGTH(nvram_data); 4392 fcp->isp_retry_delay = 4393 ISP2100_NVRAM_RETRY_DELAY(nvram_data); 4394 fcp->isp_retry_count = 4395 ISP2100_NVRAM_RETRY_COUNT(nvram_data); 4396 fcp->isp_loopid = 4397 ISP2100_NVRAM_HARDLOOPID(nvram_data); 4398 fcp->isp_execthrottle = 4399 ISP2100_NVRAM_EXECUTION_THROTTLE(nvram_data); 4400 fcp->isp_fwoptions = ISP2100_NVRAM_OPTIONS(nvram_data); 4401 if (isp->isp_dblev > 2) { 4402 PRINTF("%s: NVRAM values:\n", isp->isp_name); 4403 PRINTF(" Max IOCB Allocation = %d\n", 4404 fcp->isp_maxalloc); 4405 PRINTF(" Max Frame Length = %d\n", 4406 fcp->isp_maxfrmlen); 4407 PRINTF(" Execution Throttle = %d\n", 4408 fcp->isp_execthrottle); 4409 PRINTF(" Retry Count = %d\n", 4410 fcp->isp_retry_count); 4411 PRINTF(" Retry Delay = %d\n", 4412 fcp->isp_retry_delay); 4413 PRINTF(" Hard Loop ID = %d\n", 4414 fcp->isp_loopid); 4415 PRINTF(" Options = 0x%x\n", 4416 fcp->isp_fwoptions); 4417 PRINTF(" HBA Options = 0x%x\n", 4418 ISP2100_NVRAM_HBA_OPTIONS(nvram_data)); 4419 } 4420 } 4421 IDPRINTF(3, ("%s: NVRAM is valid\n", isp->isp_name)); 4422 return (0); 4423 } 4424 4425 static void 4426 isp_rdnvram_word(isp, wo, rp) 4427 struct ispsoftc *isp; 4428 int wo; 4429 u_int16_t *rp; 4430 { 4431 int i, cbits; 4432 u_int16_t bit, rqst; 4433 4434 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT); 4435 SYS_DELAY(2); 4436 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK); 4437 SYS_DELAY(2); 4438 4439 if (IS_FC(isp)) { 4440 wo &= ((ISP2100_NVRAM_SIZE >> 1) - 1); 4441 rqst = (ISP_NVRAM_READ << 8) | wo; 4442 cbits = 10; 4443 } else if (IS_ULTRA2(isp)) { 4444 wo &= ((ISP1080_NVRAM_SIZE >> 1) - 1); 4445 rqst = (ISP_NVRAM_READ << 8) | wo; 4446 cbits = 10; 4447 } else { 4448 wo &= ((ISP_NVRAM_SIZE >> 1) - 1); 4449 rqst = (ISP_NVRAM_READ << 6) | wo; 4450 cbits = 8; 4451 } 4452 4453 /* 4454 * Clock the word select request out... 4455 */ 4456 for (i = cbits; i >= 0; i--) { 4457 if ((rqst >> i) & 1) { 4458 bit = BIU_NVRAM_SELECT | BIU_NVRAM_DATAOUT; 4459 } else { 4460 bit = BIU_NVRAM_SELECT; 4461 } 4462 ISP_WRITE(isp, BIU_NVRAM, bit); 4463 SYS_DELAY(2); 4464 ISP_WRITE(isp, BIU_NVRAM, bit | BIU_NVRAM_CLOCK); 4465 SYS_DELAY(2); 4466 ISP_WRITE(isp, BIU_NVRAM, bit); 4467 SYS_DELAY(2); 4468 } 4469 /* 4470 * Now read the result back in (bits come back in MSB format). 4471 */ 4472 *rp = 0; 4473 for (i = 0; i < 16; i++) { 4474 u_int16_t rv; 4475 *rp <<= 1; 4476 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT|BIU_NVRAM_CLOCK); 4477 SYS_DELAY(2); 4478 rv = ISP_READ(isp, BIU_NVRAM); 4479 if (rv & BIU_NVRAM_DATAIN) { 4480 *rp |= 1; 4481 } 4482 SYS_DELAY(2); 4483 ISP_WRITE(isp, BIU_NVRAM, BIU_NVRAM_SELECT); 4484 SYS_DELAY(2); 4485 } 4486 ISP_WRITE(isp, BIU_NVRAM, 0); 4487 SYS_DELAY(2); 4488 #if BYTE_ORDER == BIG_ENDIAN 4489 *rp = ((*rp >> 8) | ((*rp & 0xff) << 8)); 4490 #endif 4491 } 4492
Indexes created Tue Sep 23 14:10:03 GMT 2025