1/* 2 * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family 3 * of PCI-SCSI IO processors. 4 * 5 * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr> 6 * Copyright (c) 2003-2005 Matthew Wilcox <matthew@wil.cx> 7 * 8 * This driver is derived from the Linux sym53c8xx driver. 9 * Copyright (C) 1998-2000 Gerard Roudier 10 * 11 * The sym53c8xx driver is derived from the ncr53c8xx driver that had been 12 * a port of the FreeBSD ncr driver to Linux-1.2.13. 13 * 14 * The original ncr driver has been written for 386bsd and FreeBSD by 15 * Wolfgang Stanglmeier <wolf@cologne.de> 16 * Stefan Esser <se@mi.Uni-Koeln.de> 17 * Copyright (C) 1994 Wolfgang Stanglmeier 18 * 19 * Other major contributions: 20 * 21 * NVRAM detection and reading. 22 * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> 23 * 24 *----------------------------------------------------------------------------- 25 * 26 * This program is free software; you can redistribute it and/or modify 27 * it under the terms of the GNU General Public License as published by 28 * the Free Software Foundation; either version 2 of the License, or 29 * (at your option) any later version. 30 * 31 * This program is distributed in the hope that it will be useful, 32 * but WITHOUT ANY WARRANTY; without even the implied warranty of 33 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 34 * GNU General Public License for more details. 35 * 36 * You should have received a copy of the GNU General Public License 37 * along with this program; if not, write to the Free Software 38 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 39 */ 40#include <linux/ctype.h> 41#include <linux/init.h> 42#include <linux/module.h> 43#include <linux/moduleparam.h> 44#include <linux/spinlock.h> 45#include <scsi/scsi.h> 46#include <scsi/scsi_tcq.h> 47#include <scsi/scsi_device.h> 48#include <scsi/scsi_transport.h> 49 50#include "sym_glue.h" 51#include "sym_nvram.h" 52 53#define NAME53C "sym53c" 54#define NAME53C8XX "sym53c8xx" 55 56struct sym_driver_setup sym_driver_setup = SYM_LINUX_DRIVER_SETUP; 57unsigned int sym_debug_flags = 0; 58 59static char *excl_string; 60static char *safe_string; 61module_param_named(cmd_per_lun, sym_driver_setup.max_tag, ushort, 0); 62module_param_named(burst, sym_driver_setup.burst_order, byte, 0); 63module_param_named(led, sym_driver_setup.scsi_led, byte, 0); 64module_param_named(diff, sym_driver_setup.scsi_diff, byte, 0); 65module_param_named(irqm, sym_driver_setup.irq_mode, byte, 0); 66module_param_named(buschk, sym_driver_setup.scsi_bus_check, byte, 0); 67module_param_named(hostid, sym_driver_setup.host_id, byte, 0); 68module_param_named(verb, sym_driver_setup.verbose, byte, 0); 69module_param_named(debug, sym_debug_flags, uint, 0); 70module_param_named(settle, sym_driver_setup.settle_delay, byte, 0); 71module_param_named(nvram, sym_driver_setup.use_nvram, byte, 0); 72module_param_named(excl, excl_string, charp, 0); 73module_param_named(safe, safe_string, charp, 0); 74 75MODULE_PARM_DESC(cmd_per_lun, "The maximum number of tags to use by default"); 76MODULE_PARM_DESC(burst, "Maximum burst. 0 to disable, 255 to read from registers"); 77MODULE_PARM_DESC(led, "Set to 1 to enable LED support"); 78MODULE_PARM_DESC(diff, "0 for no differential mode, 1 for BIOS, 2 for always, 3 for not GPIO3"); 79MODULE_PARM_DESC(irqm, "0 for open drain, 1 to leave alone, 2 for totem pole"); 80MODULE_PARM_DESC(buschk, "0 to not check, 1 for detach on error, 2 for warn on error"); 81MODULE_PARM_DESC(hostid, "The SCSI ID to use for the host adapters"); 82MODULE_PARM_DESC(verb, "0 for minimal verbosity, 1 for normal, 2 for excessive"); 83MODULE_PARM_DESC(debug, "Set bits to enable debugging"); 84MODULE_PARM_DESC(settle, "Settle delay in seconds. Default 3"); 85MODULE_PARM_DESC(nvram, "Option currently not used"); 86MODULE_PARM_DESC(excl, "List ioport addresses here to prevent controllers from being attached"); 87MODULE_PARM_DESC(safe, "Set other settings to a \"safe mode\""); 88 89MODULE_LICENSE("GPL"); 90MODULE_VERSION(SYM_VERSION); 91MODULE_AUTHOR("Matthew Wilcox <matthew@wil.cx>"); 92MODULE_DESCRIPTION("NCR, Symbios and LSI 8xx and 1010 PCI SCSI adapters"); 93 94static void sym2_setup_params(void) 95{ 96 char *p = excl_string; 97 int xi = 0; 98 99 while (p && (xi < 8)) { 100 char *next_p; 101 int val = (int) simple_strtoul(p, &next_p, 0); 102 sym_driver_setup.excludes[xi++] = val; 103 p = next_p; 104 } 105 106 if (safe_string) { 107 if (*safe_string == 'y') { 108 sym_driver_setup.max_tag = 0; 109 sym_driver_setup.burst_order = 0; 110 sym_driver_setup.scsi_led = 0; 111 sym_driver_setup.scsi_diff = 1; 112 sym_driver_setup.irq_mode = 0; 113 sym_driver_setup.scsi_bus_check = 2; 114 sym_driver_setup.host_id = 7; 115 sym_driver_setup.verbose = 2; 116 sym_driver_setup.settle_delay = 10; 117 sym_driver_setup.use_nvram = 1; 118 } else if (*safe_string != 'n') { 119 printk(KERN_WARNING NAME53C8XX "Ignoring parameter %s" 120 " passed to safe option", safe_string); 121 } 122 } 123} 124 125static struct scsi_transport_template *sym2_transport_template = NULL; 126 127/* 128 * Driver private area in the SCSI command structure. 129 */ 130struct sym_ucmd { /* Override the SCSI pointer structure */ 131 struct completion *eh_done; /* SCSI error handling */ 132}; 133 134#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)(&(cmd)->SCp)) 135#define SYM_SOFTC_PTR(cmd) sym_get_hcb(cmd->device->host) 136 137/* 138 * Complete a pending CAM CCB. 139 */ 140void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *cmd) 141{ 142 struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd); 143 BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd)); 144 145 if (ucmd->eh_done) 146 complete(ucmd->eh_done); 147 148 scsi_dma_unmap(cmd); 149 cmd->scsi_done(cmd); 150} 151 152/* 153 * Tell the SCSI layer about a BUS RESET. 154 */ 155void sym_xpt_async_bus_reset(struct sym_hcb *np) 156{ 157 printf_notice("%s: SCSI BUS has been reset.\n", sym_name(np)); 158 np->s.settle_time = jiffies + sym_driver_setup.settle_delay * HZ; 159 np->s.settle_time_valid = 1; 160 if (sym_verbose >= 2) 161 printf_info("%s: command processing suspended for %d seconds\n", 162 sym_name(np), sym_driver_setup.settle_delay); 163} 164 165/* 166 * Choose the more appropriate CAM status if 167 * the IO encountered an extended error. 168 */ 169static int sym_xerr_cam_status(int cam_status, int x_status) 170{ 171 if (x_status) { 172 if (x_status & XE_PARITY_ERR) 173 cam_status = DID_PARITY; 174 else if (x_status &(XE_EXTRA_DATA|XE_SODL_UNRUN|XE_SWIDE_OVRUN)) 175 cam_status = DID_ERROR; 176 else if (x_status & XE_BAD_PHASE) 177 cam_status = DID_ERROR; 178 else 179 cam_status = DID_ERROR; 180 } 181 return cam_status; 182} 183 184/* 185 * Build CAM result for a failed or auto-sensed IO. 186 */ 187void sym_set_cam_result_error(struct sym_hcb *np, struct sym_ccb *cp, int resid) 188{ 189 struct scsi_cmnd *cmd = cp->cmd; 190 u_int cam_status, scsi_status, drv_status; 191 192 drv_status = 0; 193 cam_status = DID_OK; 194 scsi_status = cp->ssss_status; 195 196 if (cp->host_flags & HF_SENSE) { 197 scsi_status = cp->sv_scsi_status; 198 resid = cp->sv_resid; 199 if (sym_verbose && cp->sv_xerr_status) 200 sym_print_xerr(cmd, cp->sv_xerr_status); 201 if (cp->host_status == HS_COMPLETE && 202 cp->ssss_status == S_GOOD && 203 cp->xerr_status == 0) { 204 cam_status = sym_xerr_cam_status(DID_OK, 205 cp->sv_xerr_status); 206 drv_status = DRIVER_SENSE; 207 /* 208 * Bounce back the sense data to user. 209 */ 210 memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE); 211 memcpy(cmd->sense_buffer, cp->sns_bbuf, 212 min(SCSI_SENSE_BUFFERSIZE, SYM_SNS_BBUF_LEN)); 213 } else { 214 /* 215 * Error return from our internal request sense. This 216 * is bad: we must clear the contingent allegiance 217 * condition otherwise the device will always return 218 * BUSY. Use a big stick. 219 */ 220 sym_reset_scsi_target(np, cmd->device->id); 221 cam_status = DID_ERROR; 222 } 223 } else if (cp->host_status == HS_COMPLETE) /* Bad SCSI status */ 224 cam_status = DID_OK; 225 else if (cp->host_status == HS_SEL_TIMEOUT) /* Selection timeout */ 226 cam_status = DID_NO_CONNECT; 227 else if (cp->host_status == HS_UNEXPECTED) /* Unexpected BUS FREE*/ 228 cam_status = DID_ERROR; 229 else { /* Extended error */ 230 if (sym_verbose) { 231 sym_print_addr(cmd, "COMMAND FAILED (%x %x %x).\n", 232 cp->host_status, cp->ssss_status, 233 cp->xerr_status); 234 } 235 /* 236 * Set the most appropriate value for CAM status. 237 */ 238 cam_status = sym_xerr_cam_status(DID_ERROR, cp->xerr_status); 239 } 240 scsi_set_resid(cmd, resid); 241 cmd->result = (drv_status << 24) + (cam_status << 16) + scsi_status; 242} 243 244static int sym_scatter(struct sym_hcb *np, struct sym_ccb *cp, struct scsi_cmnd *cmd) 245{ 246 int segment; 247 int use_sg; 248 249 cp->data_len = 0; 250 251 use_sg = scsi_dma_map(cmd); 252 if (use_sg > 0) { 253 struct scatterlist *sg; 254 struct sym_tcb *tp = &np->target[cp->target]; 255 struct sym_tblmove *data; 256 257 if (use_sg > SYM_CONF_MAX_SG) { 258 scsi_dma_unmap(cmd); 259 return -1; 260 } 261 262 data = &cp->phys.data[SYM_CONF_MAX_SG - use_sg]; 263 264 scsi_for_each_sg(cmd, sg, use_sg, segment) { 265 dma_addr_t baddr = sg_dma_address(sg); 266 unsigned int len = sg_dma_len(sg); 267 268 if ((len & 1) && (tp->head.wval & EWS)) { 269 len++; 270 cp->odd_byte_adjustment++; 271 } 272 273 sym_build_sge(np, &data[segment], baddr, len); 274 cp->data_len += len; 275 } 276 } else { 277 segment = -2; 278 } 279 280 return segment; 281} 282 283/* 284 * Queue a SCSI command. 285 */ 286static int sym_queue_command(struct sym_hcb *np, struct scsi_cmnd *cmd) 287{ 288 struct scsi_device *sdev = cmd->device; 289 struct sym_tcb *tp; 290 struct sym_lcb *lp; 291 struct sym_ccb *cp; 292 int order; 293 294 /* 295 * Retrieve the target descriptor. 296 */ 297 tp = &np->target[sdev->id]; 298 299 /* 300 * Select tagged/untagged. 301 */ 302 lp = sym_lp(tp, sdev->lun); 303 order = (lp && lp->s.reqtags) ? M_SIMPLE_TAG : 0; 304 305 /* 306 * Queue the SCSI IO. 307 */ 308 cp = sym_get_ccb(np, cmd, order); 309 if (!cp) 310 return 1; /* Means resource shortage */ 311 sym_queue_scsiio(np, cmd, cp); 312 return 0; 313} 314 315/* 316 * Setup buffers and pointers that address the CDB. 317 */ 318static inline int sym_setup_cdb(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp) 319{ 320 memcpy(cp->cdb_buf, cmd->cmnd, cmd->cmd_len); 321 322 cp->phys.cmd.addr = CCB_BA(cp, cdb_buf[0]); 323 cp->phys.cmd.size = cpu_to_scr(cmd->cmd_len); 324 325 return 0; 326} 327 328/* 329 * Setup pointers that address the data and start the I/O. 330 */ 331int sym_setup_data_and_start(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp) 332{ 333 u32 lastp, goalp; 334 int dir; 335 336 /* 337 * Build the CDB. 338 */ 339 if (sym_setup_cdb(np, cmd, cp)) 340 goto out_abort; 341 342 /* 343 * No direction means no data. 344 */ 345 dir = cmd->sc_data_direction; 346 if (dir != DMA_NONE) { 347 cp->segments = sym_scatter(np, cp, cmd); 348 if (cp->segments < 0) { 349 sym_set_cam_status(cmd, DID_ERROR); 350 goto out_abort; 351 } 352 353 /* 354 * No segments means no data. 355 */ 356 if (!cp->segments) 357 dir = DMA_NONE; 358 } else { 359 cp->data_len = 0; 360 cp->segments = 0; 361 } 362 363 /* 364 * Set the data pointer. 365 */ 366 switch (dir) { 367 case DMA_BIDIRECTIONAL: 368 scmd_printk(KERN_INFO, cmd, "got DMA_BIDIRECTIONAL command"); 369 sym_set_cam_status(cmd, DID_ERROR); 370 goto out_abort; 371 case DMA_TO_DEVICE: 372 goalp = SCRIPTA_BA(np, data_out2) + 8; 373 lastp = goalp - 8 - (cp->segments * (2*4)); 374 break; 375 case DMA_FROM_DEVICE: 376 cp->host_flags |= HF_DATA_IN; 377 goalp = SCRIPTA_BA(np, data_in2) + 8; 378 lastp = goalp - 8 - (cp->segments * (2*4)); 379 break; 380 case DMA_NONE: 381 default: 382 lastp = goalp = SCRIPTB_BA(np, no_data); 383 break; 384 } 385 386 /* 387 * Set all pointers values needed by SCRIPTS. 388 */ 389 cp->phys.head.lastp = cpu_to_scr(lastp); 390 cp->phys.head.savep = cpu_to_scr(lastp); 391 cp->startp = cp->phys.head.savep; 392 cp->goalp = cpu_to_scr(goalp); 393 394 /* 395 * When `#ifed 1', the code below makes the driver 396 * panic on the first attempt to write to a SCSI device. 397 * It is the first test we want to do after a driver 398 * change that does not seem obviously safe. :) 399 */ 400 401 /* 402 * activate this job. 403 */ 404 sym_put_start_queue(np, cp); 405 return 0; 406 407out_abort: 408 sym_free_ccb(np, cp); 409 sym_xpt_done(np, cmd); 410 return 0; 411} 412 413 414/* 415 * timer daemon. 416 * 417 * Misused to keep the driver running when 418 * interrupts are not configured correctly. 419 */ 420static void sym_timer(struct sym_hcb *np) 421{ 422 unsigned long thistime = jiffies; 423 424 /* 425 * Restart the timer. 426 */ 427 np->s.timer.expires = thistime + SYM_CONF_TIMER_INTERVAL; 428 add_timer(&np->s.timer); 429 430 /* 431 * If we are resetting the ncr, wait for settle_time before 432 * clearing it. Then command processing will be resumed. 433 */ 434 if (np->s.settle_time_valid) { 435 if (time_before_eq(np->s.settle_time, thistime)) { 436 if (sym_verbose >= 2 ) 437 printk("%s: command processing resumed\n", 438 sym_name(np)); 439 np->s.settle_time_valid = 0; 440 } 441 return; 442 } 443 444 /* 445 * Nothing to do for now, but that may come. 446 */ 447 if (np->s.lasttime + 4*HZ < thistime) { 448 np->s.lasttime = thistime; 449 } 450 451#ifdef SYM_CONF_PCIQ_MAY_MISS_COMPLETIONS 452 /* 453 * Some way-broken PCI bridges may lead to 454 * completions being lost when the clearing 455 * of the INTFLY flag by the CPU occurs 456 * concurrently with the chip raising this flag. 457 * If this ever happen, lost completions will 458 * be reaped here. 459 */ 460 sym_wakeup_done(np); 461#endif 462} 463 464 465/* 466 * PCI BUS error handler. 467 */ 468void sym_log_bus_error(struct Scsi_Host *shost) 469{ 470 struct sym_data *sym_data = shost_priv(shost); 471 struct pci_dev *pdev = sym_data->pdev; 472 unsigned short pci_sts; 473 pci_read_config_word(pdev, PCI_STATUS, &pci_sts); 474 if (pci_sts & 0xf900) { 475 pci_write_config_word(pdev, PCI_STATUS, pci_sts); 476 shost_printk(KERN_WARNING, shost, 477 "PCI bus error: status = 0x%04x\n", pci_sts & 0xf900); 478 } 479} 480 481/* 482 * queuecommand method. Entered with the host adapter lock held and 483 * interrupts disabled. 484 */ 485static int sym53c8xx_queue_command(struct scsi_cmnd *cmd, 486 void (*done)(struct scsi_cmnd *)) 487{ 488 struct sym_hcb *np = SYM_SOFTC_PTR(cmd); 489 struct sym_ucmd *ucp = SYM_UCMD_PTR(cmd); 490 int sts = 0; 491 492 cmd->scsi_done = done; 493 memset(ucp, 0, sizeof(*ucp)); 494 495 /* 496 * Shorten our settle_time if needed for 497 * this command not to time out. 498 */ 499 if (np->s.settle_time_valid && cmd->request->timeout) { 500 unsigned long tlimit = jiffies + cmd->request->timeout; 501 tlimit -= SYM_CONF_TIMER_INTERVAL*2; 502 if (time_after(np->s.settle_time, tlimit)) { 503 np->s.settle_time = tlimit; 504 } 505 } 506 507 if (np->s.settle_time_valid) 508 return SCSI_MLQUEUE_HOST_BUSY; 509 510 sts = sym_queue_command(np, cmd); 511 if (sts) 512 return SCSI_MLQUEUE_HOST_BUSY; 513 return 0; 514} 515 516/* 517 * Linux entry point of the interrupt handler. 518 */ 519static irqreturn_t sym53c8xx_intr(int irq, void *dev_id) 520{ 521 struct Scsi_Host *shost = dev_id; 522 struct sym_data *sym_data = shost_priv(shost); 523 irqreturn_t result; 524 525 /* Avoid spinloop trying to handle interrupts on frozen device */ 526 if (pci_channel_offline(sym_data->pdev)) 527 return IRQ_NONE; 528 529 if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("["); 530 531 spin_lock(shost->host_lock); 532 result = sym_interrupt(shost); 533 spin_unlock(shost->host_lock); 534 535 if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n"); 536 537 return result; 538} 539 540/* 541 * Linux entry point of the timer handler 542 */ 543static void sym53c8xx_timer(unsigned long npref) 544{ 545 struct sym_hcb *np = (struct sym_hcb *)npref; 546 unsigned long flags; 547 548 spin_lock_irqsave(np->s.host->host_lock, flags); 549 sym_timer(np); 550 spin_unlock_irqrestore(np->s.host->host_lock, flags); 551} 552 553 554/* 555 * What the eh thread wants us to perform. 556 */ 557#define SYM_EH_ABORT 0 558#define SYM_EH_DEVICE_RESET 1 559#define SYM_EH_BUS_RESET 2 560#define SYM_EH_HOST_RESET 3 561 562/* 563 * Generic method for our eh processing. 564 * The 'op' argument tells what we have to do. 565 */ 566static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd) 567{ 568 struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd); 569 struct Scsi_Host *shost = cmd->device->host; 570 struct sym_data *sym_data = shost_priv(shost); 571 struct pci_dev *pdev = sym_data->pdev; 572 struct sym_hcb *np = sym_data->ncb; 573 SYM_QUEHEAD *qp; 574 int cmd_queued = 0; 575 int sts = -1; 576 struct completion eh_done; 577 578 scmd_printk(KERN_WARNING, cmd, "%s operation started\n", opname); 579 580 /* We may be in an error condition because the PCI bus 581 * went down. In this case, we need to wait until the 582 * PCI bus is reset, the card is reset, and only then 583 * proceed with the scsi error recovery. There's no 584 * point in hurrying; take a leisurely wait. 585 */ 586#define WAIT_FOR_PCI_RECOVERY 35 587 if (pci_channel_offline(pdev)) { 588 int finished_reset = 0; 589 init_completion(&eh_done); 590 spin_lock_irq(shost->host_lock); 591 /* Make sure we didn't race */ 592 if (pci_channel_offline(pdev)) { 593 BUG_ON(sym_data->io_reset); 594 sym_data->io_reset = &eh_done; 595 } else { 596 finished_reset = 1; 597 } 598 spin_unlock_irq(shost->host_lock); 599 if (!finished_reset) 600 finished_reset = wait_for_completion_timeout 601 (sym_data->io_reset, 602 WAIT_FOR_PCI_RECOVERY*HZ); 603 spin_lock_irq(shost->host_lock); 604 sym_data->io_reset = NULL; 605 spin_unlock_irq(shost->host_lock); 606 if (!finished_reset) 607 return SCSI_FAILED; 608 } 609 610 spin_lock_irq(shost->host_lock); 611 /* This one is queued in some place -> to wait for completion */ 612 FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) { 613 struct sym_ccb *cp = sym_que_entry(qp, struct sym_ccb, link_ccbq); 614 if (cp->cmd == cmd) { 615 cmd_queued = 1; 616 break; 617 } 618 } 619 620 /* Try to proceed the operation we have been asked for */ 621 sts = -1; 622 switch(op) { 623 case SYM_EH_ABORT: 624 sts = sym_abort_scsiio(np, cmd, 1); 625 break; 626 case SYM_EH_DEVICE_RESET: 627 sts = sym_reset_scsi_target(np, cmd->device->id); 628 break; 629 case SYM_EH_BUS_RESET: 630 sym_reset_scsi_bus(np, 1); 631 sts = 0; 632 break; 633 case SYM_EH_HOST_RESET: 634 sym_reset_scsi_bus(np, 0); 635 sym_start_up(shost, 1); 636 sts = 0; 637 break; 638 default: 639 break; 640 } 641 642 /* On error, restore everything and cross fingers :) */ 643 if (sts) 644 cmd_queued = 0; 645 646 if (cmd_queued) { 647 init_completion(&eh_done); 648 ucmd->eh_done = &eh_done; 649 spin_unlock_irq(shost->host_lock); 650 if (!wait_for_completion_timeout(&eh_done, 5*HZ)) { 651 ucmd->eh_done = NULL; 652 sts = -2; 653 } 654 } else { 655 spin_unlock_irq(shost->host_lock); 656 } 657 658 dev_warn(&cmd->device->sdev_gendev, "%s operation %s.\n", opname, 659 sts==0 ? "complete" :sts==-2 ? "timed-out" : "failed"); 660 return sts ? SCSI_FAILED : SCSI_SUCCESS; 661} 662 663 664/* 665 * Error handlers called from the eh thread (one thread per HBA). 666 */ 667static int sym53c8xx_eh_abort_handler(struct scsi_cmnd *cmd) 668{ 669 return sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd); 670} 671 672static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd) 673{ 674 return sym_eh_handler(SYM_EH_DEVICE_RESET, "DEVICE RESET", cmd); 675} 676 677static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd) 678{ 679 return sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd); 680} 681 682static int sym53c8xx_eh_host_reset_handler(struct scsi_cmnd *cmd) 683{ 684 return sym_eh_handler(SYM_EH_HOST_RESET, "HOST RESET", cmd); 685} 686 687/* 688 * Tune device queuing depth, according to various limits. 689 */ 690static void sym_tune_dev_queuing(struct sym_tcb *tp, int lun, u_short reqtags) 691{ 692 struct sym_lcb *lp = sym_lp(tp, lun); 693 u_short oldtags; 694 695 if (!lp) 696 return; 697 698 oldtags = lp->s.reqtags; 699 700 if (reqtags > lp->s.scdev_depth) 701 reqtags = lp->s.scdev_depth; 702 703 lp->s.reqtags = reqtags; 704 705 if (reqtags != oldtags) { 706 dev_info(&tp->starget->dev, 707 "tagged command queuing %s, command queue depth %d.\n", 708 lp->s.reqtags ? "enabled" : "disabled", reqtags); 709 } 710} 711 712static int sym53c8xx_slave_alloc(struct scsi_device *sdev) 713{ 714 struct sym_hcb *np = sym_get_hcb(sdev->host); 715 struct sym_tcb *tp = &np->target[sdev->id]; 716 struct sym_lcb *lp; 717 unsigned long flags; 718 int error; 719 720 if (sdev->id >= SYM_CONF_MAX_TARGET || sdev->lun >= SYM_CONF_MAX_LUN) 721 return -ENXIO; 722 723 spin_lock_irqsave(np->s.host->host_lock, flags); 724 725 /* 726 * Fail the device init if the device is flagged NOSCAN at BOOT in 727 * the NVRAM. This may speed up boot and maintain coherency with 728 * BIOS device numbering. Clearing the flag allows the user to 729 * rescan skipped devices later. We also return an error for 730 * devices not flagged for SCAN LUNS in the NVRAM since some single 731 * lun devices behave badly when asked for a non zero LUN. 732 */ 733 734 if (tp->usrflags & SYM_SCAN_BOOT_DISABLED) { 735 tp->usrflags &= ~SYM_SCAN_BOOT_DISABLED; 736 starget_printk(KERN_INFO, sdev->sdev_target, 737 "Scan at boot disabled in NVRAM\n"); 738 error = -ENXIO; 739 goto out; 740 } 741 742 if (tp->usrflags & SYM_SCAN_LUNS_DISABLED) { 743 if (sdev->lun != 0) { 744 error = -ENXIO; 745 goto out; 746 } 747 starget_printk(KERN_INFO, sdev->sdev_target, 748 "Multiple LUNs disabled in NVRAM\n"); 749 } 750 751 lp = sym_alloc_lcb(np, sdev->id, sdev->lun); 752 if (!lp) { 753 error = -ENOMEM; 754 goto out; 755 } 756 if (tp->nlcb == 1) 757 tp->starget = sdev->sdev_target; 758 759 spi_min_period(tp->starget) = tp->usr_period; 760 spi_max_width(tp->starget) = tp->usr_width; 761 762 error = 0; 763out: 764 spin_unlock_irqrestore(np->s.host->host_lock, flags); 765 766 return error; 767} 768 769/* 770 * Linux entry point for device queue sizing. 771 */ 772static int sym53c8xx_slave_configure(struct scsi_device *sdev) 773{ 774 struct sym_hcb *np = sym_get_hcb(sdev->host); 775 struct sym_tcb *tp = &np->target[sdev->id]; 776 struct sym_lcb *lp = sym_lp(tp, sdev->lun); 777 int reqtags, depth_to_use; 778 779 /* 780 * Get user flags. 781 */ 782 lp->curr_flags = lp->user_flags; 783 784 /* 785 * Select queue depth from driver setup. 786 * Do not use more than configured by user. 787 * Use at least 1. 788 * Do not use more than our maximum. 789 */ 790 reqtags = sym_driver_setup.max_tag; 791 if (reqtags > tp->usrtags) 792 reqtags = tp->usrtags; 793 if (!sdev->tagged_supported) 794 reqtags = 0; 795 if (reqtags > SYM_CONF_MAX_TAG) 796 reqtags = SYM_CONF_MAX_TAG; 797 depth_to_use = reqtags ? reqtags : 1; 798 scsi_adjust_queue_depth(sdev, 799 sdev->tagged_supported ? MSG_SIMPLE_TAG : 0, 800 depth_to_use); 801 lp->s.scdev_depth = depth_to_use; 802 sym_tune_dev_queuing(tp, sdev->lun, reqtags); 803 804 if (!spi_initial_dv(sdev->sdev_target)) 805 spi_dv_device(sdev); 806 807 return 0; 808} 809 810static void sym53c8xx_slave_destroy(struct scsi_device *sdev) 811{ 812 struct sym_hcb *np = sym_get_hcb(sdev->host); 813 struct sym_tcb *tp = &np->target[sdev->id]; 814 struct sym_lcb *lp = sym_lp(tp, sdev->lun); 815 unsigned long flags; 816 817 spin_lock_irqsave(np->s.host->host_lock, flags); 818 819 if (lp->busy_itlq || lp->busy_itl) { 820 /* 821 * This really shouldn't happen, but we can't return an error 822 * so let's try to stop all on-going I/O. 823 */ 824 starget_printk(KERN_WARNING, tp->starget, 825 "Removing busy LCB (%d)\n", sdev->lun); 826 sym_reset_scsi_bus(np, 1); 827 } 828 829 if (sym_free_lcb(np, sdev->id, sdev->lun) == 0) { 830 /* 831 * It was the last unit for this target. 832 */ 833 tp->head.sval = 0; 834 tp->head.wval = np->rv_scntl3; 835 tp->head.uval = 0; 836 tp->tgoal.check_nego = 1; 837 tp->starget = NULL; 838 } 839 840 spin_unlock_irqrestore(np->s.host->host_lock, flags); 841} 842 843/* 844 * Linux entry point for info() function 845 */ 846static const char *sym53c8xx_info (struct Scsi_Host *host) 847{ 848 return SYM_DRIVER_NAME; 849} 850 851 852#ifdef SYM_LINUX_PROC_INFO_SUPPORT 853/* 854 * Proc file system stuff 855 * 856 * A read operation returns adapter information. 857 * A write operation is a control command. 858 * The string is parsed in the driver code and the command is passed 859 * to the sym_usercmd() function. 860 */ 861 862#ifdef SYM_LINUX_USER_COMMAND_SUPPORT 863 864struct sym_usrcmd { 865 u_long target; 866 u_long lun; 867 u_long data; 868 u_long cmd; 869}; 870 871#define UC_SETSYNC 10 872#define UC_SETTAGS 11 873#define UC_SETDEBUG 12 874#define UC_SETWIDE 14 875#define UC_SETFLAG 15 876#define UC_SETVERBOSE 17 877#define UC_RESETDEV 18 878#define UC_CLEARDEV 19 879 880static void sym_exec_user_command (struct sym_hcb *np, struct sym_usrcmd *uc) 881{ 882 struct sym_tcb *tp; 883 int t, l; 884 885 switch (uc->cmd) { 886 case 0: return; 887 888#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT 889 case UC_SETDEBUG: 890 sym_debug_flags = uc->data; 891 break; 892#endif 893 case UC_SETVERBOSE: 894 np->verbose = uc->data; 895 break; 896 default: 897 /* 898 * We assume that other commands apply to targets. 899 * This should always be the case and avoid the below 900 * 4 lines to be repeated 6 times. 901 */ 902 for (t = 0; t < SYM_CONF_MAX_TARGET; t++) { 903 if (!((uc->target >> t) & 1)) 904 continue; 905 tp = &np->target[t]; 906 if (!tp->nlcb) 907 continue; 908 909 switch (uc->cmd) { 910 911 case UC_SETSYNC: 912 if (!uc->data || uc->data >= 255) { 913 tp->tgoal.iu = tp->tgoal.dt = 914 tp->tgoal.qas = 0; 915 tp->tgoal.offset = 0; 916 } else if (uc->data <= 9 && np->minsync_dt) { 917 if (uc->data < np->minsync_dt) 918 uc->data = np->minsync_dt; 919 tp->tgoal.iu = tp->tgoal.dt = 920 tp->tgoal.qas = 1; 921 tp->tgoal.width = 1; 922 tp->tgoal.period = uc->data; 923 tp->tgoal.offset = np->maxoffs_dt; 924 } else { 925 if (uc->data < np->minsync) 926 uc->data = np->minsync; 927 tp->tgoal.iu = tp->tgoal.dt = 928 tp->tgoal.qas = 0; 929 tp->tgoal.period = uc->data; 930 tp->tgoal.offset = np->maxoffs; 931 } 932 tp->tgoal.check_nego = 1; 933 break; 934 case UC_SETWIDE: 935 tp->tgoal.width = uc->data ? 1 : 0; 936 tp->tgoal.check_nego = 1; 937 break; 938 case UC_SETTAGS: 939 for (l = 0; l < SYM_CONF_MAX_LUN; l++) 940 sym_tune_dev_queuing(tp, l, uc->data); 941 break; 942 case UC_RESETDEV: 943 tp->to_reset = 1; 944 np->istat_sem = SEM; 945 OUTB(np, nc_istat, SIGP|SEM); 946 break; 947 case UC_CLEARDEV: 948 for (l = 0; l < SYM_CONF_MAX_LUN; l++) { 949 struct sym_lcb *lp = sym_lp(tp, l); 950 if (lp) lp->to_clear = 1; 951 } 952 np->istat_sem = SEM; 953 OUTB(np, nc_istat, SIGP|SEM); 954 break; 955 case UC_SETFLAG: 956 tp->usrflags = uc->data; 957 break; 958 } 959 } 960 break; 961 } 962} 963 964static int sym_skip_spaces(char *ptr, int len) 965{ 966 int cnt, c; 967 968 for (cnt = len; cnt > 0 && (c = *ptr++) && isspace(c); cnt--); 969 970 return (len - cnt); 971} 972 973static int get_int_arg(char *ptr, int len, u_long *pv) 974{ 975 char *end; 976 977 *pv = simple_strtoul(ptr, &end, 10); 978 return (end - ptr); 979} 980 981static int is_keyword(char *ptr, int len, char *verb) 982{ 983 int verb_len = strlen(verb); 984 985 if (len >= verb_len && !memcmp(verb, ptr, verb_len)) 986 return verb_len; 987 else 988 return 0; 989} 990 991#define SKIP_SPACES(ptr, len) \ 992 if ((arg_len = sym_skip_spaces(ptr, len)) < 1) \ 993 return -EINVAL; \ 994 ptr += arg_len; len -= arg_len; 995 996#define GET_INT_ARG(ptr, len, v) \ 997 if (!(arg_len = get_int_arg(ptr, len, &(v)))) \ 998 return -EINVAL; \ 999 ptr += arg_len; len -= arg_len; 1000 1001 1002/* 1003 * Parse a control command 1004 */ 1005 1006static int sym_user_command(struct Scsi_Host *shost, char *buffer, int length) 1007{ 1008 struct sym_hcb *np = sym_get_hcb(shost); 1009 char *ptr = buffer; 1010 int len = length; 1011 struct sym_usrcmd cmd, *uc = &cmd; 1012 int arg_len; 1013 u_long target; 1014 1015 memset(uc, 0, sizeof(*uc)); 1016 1017 if (len > 0 && ptr[len-1] == '\n') 1018 --len; 1019 1020 if ((arg_len = is_keyword(ptr, len, "setsync")) != 0) 1021 uc->cmd = UC_SETSYNC; 1022 else if ((arg_len = is_keyword(ptr, len, "settags")) != 0) 1023 uc->cmd = UC_SETTAGS; 1024 else if ((arg_len = is_keyword(ptr, len, "setverbose")) != 0) 1025 uc->cmd = UC_SETVERBOSE; 1026 else if ((arg_len = is_keyword(ptr, len, "setwide")) != 0) 1027 uc->cmd = UC_SETWIDE; 1028#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT 1029 else if ((arg_len = is_keyword(ptr, len, "setdebug")) != 0) 1030 uc->cmd = UC_SETDEBUG; 1031#endif 1032 else if ((arg_len = is_keyword(ptr, len, "setflag")) != 0) 1033 uc->cmd = UC_SETFLAG; 1034 else if ((arg_len = is_keyword(ptr, len, "resetdev")) != 0) 1035 uc->cmd = UC_RESETDEV; 1036 else if ((arg_len = is_keyword(ptr, len, "cleardev")) != 0) 1037 uc->cmd = UC_CLEARDEV; 1038 else 1039 arg_len = 0; 1040 1041#ifdef DEBUG_PROC_INFO 1042printk("sym_user_command: arg_len=%d, cmd=%ld\n", arg_len, uc->cmd); 1043#endif 1044 1045 if (!arg_len) 1046 return -EINVAL; 1047 ptr += arg_len; len -= arg_len; 1048 1049 switch(uc->cmd) { 1050 case UC_SETSYNC: 1051 case UC_SETTAGS: 1052 case UC_SETWIDE: 1053 case UC_SETFLAG: 1054 case UC_RESETDEV: 1055 case UC_CLEARDEV: 1056 SKIP_SPACES(ptr, len); 1057 if ((arg_len = is_keyword(ptr, len, "all")) != 0) { 1058 ptr += arg_len; len -= arg_len; 1059 uc->target = ~0; 1060 } else { 1061 GET_INT_ARG(ptr, len, target); 1062 uc->target = (1<<target); 1063#ifdef DEBUG_PROC_INFO 1064printk("sym_user_command: target=%ld\n", target); 1065#endif 1066 } 1067 break; 1068 } 1069 1070 switch(uc->cmd) { 1071 case UC_SETVERBOSE: 1072 case UC_SETSYNC: 1073 case UC_SETTAGS: 1074 case UC_SETWIDE: 1075 SKIP_SPACES(ptr, len); 1076 GET_INT_ARG(ptr, len, uc->data); 1077#ifdef DEBUG_PROC_INFO 1078printk("sym_user_command: data=%ld\n", uc->data); 1079#endif 1080 break; 1081#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT 1082 case UC_SETDEBUG: 1083 while (len > 0) { 1084 SKIP_SPACES(ptr, len); 1085 if ((arg_len = is_keyword(ptr, len, "alloc"))) 1086 uc->data |= DEBUG_ALLOC; 1087 else if ((arg_len = is_keyword(ptr, len, "phase"))) 1088 uc->data |= DEBUG_PHASE; 1089 else if ((arg_len = is_keyword(ptr, len, "queue"))) 1090 uc->data |= DEBUG_QUEUE; 1091 else if ((arg_len = is_keyword(ptr, len, "result"))) 1092 uc->data |= DEBUG_RESULT; 1093 else if ((arg_len = is_keyword(ptr, len, "scatter"))) 1094 uc->data |= DEBUG_SCATTER; 1095 else if ((arg_len = is_keyword(ptr, len, "script"))) 1096 uc->data |= DEBUG_SCRIPT; 1097 else if ((arg_len = is_keyword(ptr, len, "tiny"))) 1098 uc->data |= DEBUG_TINY; 1099 else if ((arg_len = is_keyword(ptr, len, "timing"))) 1100 uc->data |= DEBUG_TIMING; 1101 else if ((arg_len = is_keyword(ptr, len, "nego"))) 1102 uc->data |= DEBUG_NEGO; 1103 else if ((arg_len = is_keyword(ptr, len, "tags"))) 1104 uc->data |= DEBUG_TAGS; 1105 else if ((arg_len = is_keyword(ptr, len, "pointer"))) 1106 uc->data |= DEBUG_POINTER; 1107 else 1108 return -EINVAL; 1109 ptr += arg_len; len -= arg_len; 1110 } 1111#ifdef DEBUG_PROC_INFO 1112printk("sym_user_command: data=%ld\n", uc->data); 1113#endif 1114 break; 1115#endif /* SYM_LINUX_DEBUG_CONTROL_SUPPORT */ 1116 case UC_SETFLAG: 1117 while (len > 0) { 1118 SKIP_SPACES(ptr, len); 1119 if ((arg_len = is_keyword(ptr, len, "no_disc"))) 1120 uc->data &= ~SYM_DISC_ENABLED; 1121 else 1122 return -EINVAL; 1123 ptr += arg_len; len -= arg_len; 1124 } 1125 break; 1126 default: 1127 break; 1128 } 1129 1130 if (len) 1131 return -EINVAL; 1132 else { 1133 unsigned long flags; 1134 1135 spin_lock_irqsave(shost->host_lock, flags); 1136 sym_exec_user_command(np, uc); 1137 spin_unlock_irqrestore(shost->host_lock, flags); 1138 } 1139 return length; 1140} 1141 1142#endif /* SYM_LINUX_USER_COMMAND_SUPPORT */ 1143 1144 1145#ifdef SYM_LINUX_USER_INFO_SUPPORT 1146/* 1147 * Informations through the proc file system. 1148 */ 1149struct info_str { 1150 char *buffer; 1151 int length; 1152 int offset; 1153 int pos; 1154}; 1155 1156static void copy_mem_info(struct info_str *info, char *data, int len) 1157{ 1158 if (info->pos + len > info->length) 1159 len = info->length - info->pos; 1160 1161 if (info->pos + len < info->offset) { 1162 info->pos += len; 1163 return; 1164 } 1165 if (info->pos < info->offset) { 1166 data += (info->offset - info->pos); 1167 len -= (info->offset - info->pos); 1168 } 1169 1170 if (len > 0) { 1171 memcpy(info->buffer + info->pos, data, len); 1172 info->pos += len; 1173 } 1174} 1175 1176static int copy_info(struct info_str *info, char *fmt, ...) 1177{ 1178 va_list args; 1179 char buf[81]; 1180 int len; 1181 1182 va_start(args, fmt); 1183 len = vsprintf(buf, fmt, args); 1184 va_end(args); 1185 1186 copy_mem_info(info, buf, len); 1187 return len; 1188} 1189 1190/* 1191 * Copy formatted information into the input buffer. 1192 */ 1193static int sym_host_info(struct Scsi_Host *shost, char *ptr, off_t offset, int len) 1194{ 1195 struct sym_data *sym_data = shost_priv(shost); 1196 struct pci_dev *pdev = sym_data->pdev; 1197 struct sym_hcb *np = sym_data->ncb; 1198 struct info_str info; 1199 1200 info.buffer = ptr; 1201 info.length = len; 1202 info.offset = offset; 1203 info.pos = 0; 1204 1205 copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, " 1206 "revision id 0x%x\n", np->s.chip_name, 1207 pdev->device, pdev->revision); 1208 copy_info(&info, "At PCI address %s, IRQ %u\n", 1209 pci_name(pdev), pdev->irq); 1210 copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n", 1211 (int) (np->minsync_dt ? np->minsync_dt : np->minsync), 1212 np->maxwide ? "Wide" : "Narrow", 1213 np->minsync_dt ? ", DT capable" : ""); 1214 1215 copy_info(&info, "Max. started commands %d, " 1216 "max. commands per LUN %d\n", 1217 SYM_CONF_MAX_START, SYM_CONF_MAX_TAG); 1218 1219 return info.pos > info.offset? info.pos - info.offset : 0; 1220} 1221#endif /* SYM_LINUX_USER_INFO_SUPPORT */ 1222 1223/* 1224 * Entry point of the scsi proc fs of the driver. 1225 * - func = 0 means read (returns adapter infos) 1226 * - func = 1 means write (not yet merget from sym53c8xx) 1227 */ 1228static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer, 1229 char **start, off_t offset, int length, int func) 1230{ 1231 int retv; 1232 1233 if (func) { 1234#ifdef SYM_LINUX_USER_COMMAND_SUPPORT 1235 retv = sym_user_command(shost, buffer, length); 1236#else 1237 retv = -EINVAL; 1238#endif 1239 } else { 1240 if (start) 1241 *start = buffer; 1242#ifdef SYM_LINUX_USER_INFO_SUPPORT 1243 retv = sym_host_info(shost, buffer, offset, length); 1244#else 1245 retv = -EINVAL; 1246#endif 1247 } 1248 1249 return retv; 1250} 1251#endif /* SYM_LINUX_PROC_INFO_SUPPORT */ 1252 1253/* 1254 * Free resources claimed by sym_iomap_device(). Note that 1255 * sym_free_resources() should be used instead of this function after calling 1256 * sym_attach(). 1257 */ 1258static void __devinit 1259sym_iounmap_device(struct sym_device *device) 1260{ 1261 if (device->s.ioaddr) 1262 pci_iounmap(device->pdev, device->s.ioaddr); 1263 if (device->s.ramaddr) 1264 pci_iounmap(device->pdev, device->s.ramaddr); 1265} 1266 1267/* 1268 * Free controller resources. 1269 */ 1270static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev, 1271 int do_free_irq) 1272{ 1273 /* 1274 * Free O/S specific resources. 1275 */ 1276 if (do_free_irq) 1277 free_irq(pdev->irq, np->s.host); 1278 if (np->s.ioaddr) 1279 pci_iounmap(pdev, np->s.ioaddr); 1280 if (np->s.ramaddr) 1281 pci_iounmap(pdev, np->s.ramaddr); 1282 /* 1283 * Free O/S independent resources. 1284 */ 1285 sym_hcb_free(np); 1286 1287 sym_mfree_dma(np, sizeof(*np), "HCB"); 1288} 1289 1290/* 1291 * Host attach and initialisations. 1292 * 1293 * Allocate host data and ncb structure. 1294 * Remap MMIO region. 1295 * Do chip initialization. 1296 * If all is OK, install interrupt handling and 1297 * start the timer daemon. 1298 */ 1299static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt, 1300 int unit, struct sym_device *dev) 1301{ 1302 struct sym_data *sym_data; 1303 struct sym_hcb *np = NULL; 1304 struct Scsi_Host *shost = NULL; 1305 struct pci_dev *pdev = dev->pdev; 1306 unsigned long flags; 1307 struct sym_fw *fw; 1308 int do_free_irq = 0; 1309 1310 printk(KERN_INFO "sym%d: <%s> rev 0x%x at pci %s irq %u\n", 1311 unit, dev->chip.name, pdev->revision, pci_name(pdev), 1312 pdev->irq); 1313 1314 /* 1315 * Get the firmware for this chip. 1316 */ 1317 fw = sym_find_firmware(&dev->chip); 1318 if (!fw) 1319 goto attach_failed; 1320 1321 shost = scsi_host_alloc(tpnt, sizeof(*sym_data)); 1322 if (!shost) 1323 goto attach_failed; 1324 sym_data = shost_priv(shost); 1325 1326 /* 1327 * Allocate immediately the host control block, 1328 * since we are only expecting to succeed. :) 1329 * We keep track in the HCB of all the resources that 1330 * are to be released on error. 1331 */ 1332 np = __sym_calloc_dma(&pdev->dev, sizeof(*np), "HCB"); 1333 if (!np) 1334 goto attach_failed; 1335 np->bus_dmat = &pdev->dev; /* Result in 1 DMA pool per HBA */ 1336 sym_data->ncb = np; 1337 sym_data->pdev = pdev; 1338 np->s.host = shost; 1339 1340 pci_set_drvdata(pdev, shost); 1341 1342 /* 1343 * Copy some useful infos to the HCB. 1344 */ 1345 np->hcb_ba = vtobus(np); 1346 np->verbose = sym_driver_setup.verbose; 1347 np->s.unit = unit; 1348 np->features = dev->chip.features; 1349 np->clock_divn = dev->chip.nr_divisor; 1350 np->maxoffs = dev->chip.offset_max; 1351 np->maxburst = dev->chip.burst_max; 1352 np->myaddr = dev->host_id; 1353 np->mmio_ba = (u32)dev->mmio_base; 1354 np->ram_ba = (u32)dev->ram_base; 1355 np->s.ioaddr = dev->s.ioaddr; 1356 np->s.ramaddr = dev->s.ramaddr; 1357 1358 /* 1359 * Edit its name. 1360 */ 1361 strlcpy(np->s.chip_name, dev->chip.name, sizeof(np->s.chip_name)); 1362 sprintf(np->s.inst_name, "sym%d", np->s.unit); 1363 1364 if ((SYM_CONF_DMA_ADDRESSING_MODE > 0) && (np->features & FE_DAC) && 1365 !pci_set_dma_mask(pdev, DMA_DAC_MASK)) { 1366 set_dac(np); 1367 } else if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) { 1368 printf_warning("%s: No suitable DMA available\n", sym_name(np)); 1369 goto attach_failed; 1370 } 1371 1372 if (sym_hcb_attach(shost, fw, dev->nvram)) 1373 goto attach_failed; 1374 1375 /* 1376 * Install the interrupt handler. 1377 * If we synchonize the C code with SCRIPTS on interrupt, 1378 * we do not want to share the INTR line at all. 1379 */ 1380 if (request_irq(pdev->irq, sym53c8xx_intr, IRQF_SHARED, NAME53C8XX, 1381 shost)) { 1382 printf_err("%s: request irq %u failure\n", 1383 sym_name(np), pdev->irq); 1384 goto attach_failed; 1385 } 1386 do_free_irq = 1; 1387 1388 /* 1389 * After SCSI devices have been opened, we cannot 1390 * reset the bus safely, so we do it here. 1391 */ 1392 spin_lock_irqsave(shost->host_lock, flags); 1393 if (sym_reset_scsi_bus(np, 0)) 1394 goto reset_failed; 1395 1396 /* 1397 * Start the SCRIPTS. 1398 */ 1399 sym_start_up(shost, 1); 1400 1401 /* 1402 * Start the timer daemon 1403 */ 1404 init_timer(&np->s.timer); 1405 np->s.timer.data = (unsigned long) np; 1406 np->s.timer.function = sym53c8xx_timer; 1407 np->s.lasttime=0; 1408 sym_timer (np); 1409 1410 /* 1411 * Fill Linux host instance structure 1412 * and return success. 1413 */ 1414 shost->max_channel = 0; 1415 shost->this_id = np->myaddr; 1416 shost->max_id = np->maxwide ? 16 : 8; 1417 shost->max_lun = SYM_CONF_MAX_LUN; 1418 shost->unique_id = pci_resource_start(pdev, 0); 1419 shost->cmd_per_lun = SYM_CONF_MAX_TAG; 1420 shost->can_queue = (SYM_CONF_MAX_START-2); 1421 shost->sg_tablesize = SYM_CONF_MAX_SG; 1422 shost->max_cmd_len = 16; 1423 BUG_ON(sym2_transport_template == NULL); 1424 shost->transportt = sym2_transport_template; 1425 1426 /* 53c896 rev 1 errata: DMA may not cross 16MB boundary */ 1427 if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && pdev->revision < 2) 1428 shost->dma_boundary = 0xFFFFFF; 1429 1430 spin_unlock_irqrestore(shost->host_lock, flags); 1431 1432 return shost; 1433 1434 reset_failed: 1435 printf_err("%s: FATAL ERROR: CHECK SCSI BUS - CABLES, " 1436 "TERMINATION, DEVICE POWER etc.!\n", sym_name(np)); 1437 spin_unlock_irqrestore(shost->host_lock, flags); 1438 attach_failed: 1439 printf_info("sym%d: giving up ...\n", unit); 1440 if (np) 1441 sym_free_resources(np, pdev, do_free_irq); 1442 else 1443 sym_iounmap_device(dev); 1444 if (shost) 1445 scsi_host_put(shost); 1446 1447 return NULL; 1448 } 1449 1450 1451/* 1452 * Detect and try to read SYMBIOS and TEKRAM NVRAM. 1453 */ 1454#if SYM_CONF_NVRAM_SUPPORT 1455static void __devinit sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp) 1456{ 1457 devp->nvram = nvp; 1458 nvp->type = 0; 1459 1460 sym_read_nvram(devp, nvp); 1461} 1462#else 1463static inline void sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp) 1464{ 1465} 1466#endif /* SYM_CONF_NVRAM_SUPPORT */ 1467 1468static int __devinit sym_check_supported(struct sym_device *device) 1469{ 1470 struct sym_chip *chip; 1471 struct pci_dev *pdev = device->pdev; 1472 unsigned long io_port = pci_resource_start(pdev, 0); 1473 int i; 1474 1475 /* 1476 * If user excluded this chip, do not initialize it. 1477 * I hate this code so much. Must kill it. 1478 */ 1479 if (io_port) { 1480 for (i = 0 ; i < 8 ; i++) { 1481 if (sym_driver_setup.excludes[i] == io_port) 1482 return -ENODEV; 1483 } 1484 } 1485 1486 /* 1487 * Check if the chip is supported. Then copy the chip description 1488 * to our device structure so we can make it match the actual device 1489 * and options. 1490 */ 1491 chip = sym_lookup_chip_table(pdev->device, pdev->revision); 1492 if (!chip) { 1493 dev_info(&pdev->dev, "device not supported\n"); 1494 return -ENODEV; 1495 } 1496 memcpy(&device->chip, chip, sizeof(device->chip)); 1497 1498 return 0; 1499} 1500 1501/* 1502 * Ignore Symbios chips controlled by various RAID controllers. 1503 * These controllers set value 0x52414944 at RAM end - 16. 1504 */ 1505static int __devinit sym_check_raid(struct sym_device *device) 1506{ 1507 unsigned int ram_size, ram_val; 1508 1509 if (!device->s.ramaddr) 1510 return 0; 1511 1512 if (device->chip.features & FE_RAM8K) 1513 ram_size = 8192; 1514 else 1515 ram_size = 4096; 1516 1517 ram_val = readl(device->s.ramaddr + ram_size - 16); 1518 if (ram_val != 0x52414944) 1519 return 0; 1520 1521 dev_info(&device->pdev->dev, 1522 "not initializing, driven by RAID controller.\n"); 1523 return -ENODEV; 1524} 1525 1526static int __devinit sym_set_workarounds(struct sym_device *device) 1527{ 1528 struct sym_chip *chip = &device->chip; 1529 struct pci_dev *pdev = device->pdev; 1530 u_short status_reg; 1531 1532 /* 1533 * (ITEM 12 of a DEL about the 896 I haven't yet). 1534 * We must ensure the chip will use WRITE AND INVALIDATE. 1535 * The revision number limit is for now arbitrary. 1536 */ 1537 if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && pdev->revision < 0x4) { 1538 chip->features |= (FE_WRIE | FE_CLSE); 1539 } 1540 1541 /* If the chip can do Memory Write Invalidate, enable it */ 1542 if (chip->features & FE_WRIE) { 1543 if (pci_set_mwi(pdev)) 1544 return -ENODEV; 1545 } 1546 1547 pci_read_config_word(pdev, PCI_STATUS, &status_reg); 1548 if (chip->features & FE_66MHZ) { 1549 if (!(status_reg & PCI_STATUS_66MHZ)) 1550 chip->features &= ~FE_66MHZ; 1551 } else { 1552 if (status_reg & PCI_STATUS_66MHZ) { 1553 status_reg = PCI_STATUS_66MHZ; 1554 pci_write_config_word(pdev, PCI_STATUS, status_reg); 1555 pci_read_config_word(pdev, PCI_STATUS, &status_reg); 1556 } 1557 } 1558 1559 return 0; 1560} 1561 1562/* 1563 * Map HBA registers and on-chip SRAM (if present). 1564 */ 1565static int __devinit 1566sym_iomap_device(struct sym_device *device) 1567{ 1568 struct pci_dev *pdev = device->pdev; 1569 struct pci_bus_region bus_addr; 1570 int i = 2; 1571 1572 pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[1]); 1573 device->mmio_base = bus_addr.start; 1574 1575 if (device->chip.features & FE_RAM) { 1576 /* 1577 * If the BAR is 64-bit, resource 2 will be occupied by the 1578 * upper 32 bits 1579 */ 1580 if (!pdev->resource[i].flags) 1581 i++; 1582 pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[i]); 1583 device->ram_base = bus_addr.start; 1584 } 1585 1586#ifdef CONFIG_SCSI_SYM53C8XX_MMIO 1587 if (device->mmio_base) 1588 device->s.ioaddr = pci_iomap(pdev, 1, 1589 pci_resource_len(pdev, 1)); 1590#endif 1591 if (!device->s.ioaddr) 1592 device->s.ioaddr = pci_iomap(pdev, 0, 1593 pci_resource_len(pdev, 0)); 1594 if (!device->s.ioaddr) { 1595 dev_err(&pdev->dev, "could not map registers; giving up.\n"); 1596 return -EIO; 1597 } 1598 if (device->ram_base) { 1599 device->s.ramaddr = pci_iomap(pdev, i, 1600 pci_resource_len(pdev, i)); 1601 if (!device->s.ramaddr) { 1602 dev_warn(&pdev->dev, 1603 "could not map SRAM; continuing anyway.\n"); 1604 device->ram_base = 0; 1605 } 1606 } 1607 1608 return 0; 1609} 1610 1611/* 1612 * The NCR PQS and PDS cards are constructed as a DEC bridge 1613 * behind which sits a proprietary NCR memory controller and 1614 * either four or two 53c875s as separate devices. We can tell 1615 * if an 875 is part of a PQS/PDS or not since if it is, it will 1616 * be on the same bus as the memory controller. In its usual 1617 * mode of operation, the 875s are slaved to the memory 1618 * controller for all transfers. To operate with the Linux 1619 * driver, the memory controller is disabled and the 875s 1620 * freed to function independently. The only wrinkle is that 1621 * the preset SCSI ID (which may be zero) must be read in from 1622 * a special configuration space register of the 875. 1623 */ 1624static void sym_config_pqs(struct pci_dev *pdev, struct sym_device *sym_dev) 1625{ 1626 int slot; 1627 u8 tmp; 1628 1629 for (slot = 0; slot < 256; slot++) { 1630 struct pci_dev *memc = pci_get_slot(pdev->bus, slot); 1631 1632 if (!memc || memc->vendor != 0x101a || memc->device == 0x0009) { 1633 pci_dev_put(memc); 1634 continue; 1635 } 1636 1637 /* bit 1: allow individual 875 configuration */ 1638 pci_read_config_byte(memc, 0x44, &tmp); 1639 if ((tmp & 0x2) == 0) { 1640 tmp |= 0x2; 1641 pci_write_config_byte(memc, 0x44, tmp); 1642 } 1643 1644 /* bit 2: drive individual 875 interrupts to the bus */ 1645 pci_read_config_byte(memc, 0x45, &tmp); 1646 if ((tmp & 0x4) == 0) { 1647 tmp |= 0x4; 1648 pci_write_config_byte(memc, 0x45, tmp); 1649 } 1650 1651 pci_dev_put(memc); 1652 break; 1653 } 1654 1655 pci_read_config_byte(pdev, 0x84, &tmp); 1656 sym_dev->host_id = tmp; 1657} 1658 1659/* 1660 * Called before unloading the module. 1661 * Detach the host. 1662 * We have to free resources and halt the NCR chip. 1663 */ 1664static int sym_detach(struct Scsi_Host *shost, struct pci_dev *pdev) 1665{ 1666 struct sym_hcb *np = sym_get_hcb(shost); 1667 printk("%s: detaching ...\n", sym_name(np)); 1668 1669 del_timer_sync(&np->s.timer); 1670 1671 /* 1672 * Reset NCR chip. 1673 * We should use sym_soft_reset(), but we don't want to do 1674 * so, since we may not be safe if interrupts occur. 1675 */ 1676 printk("%s: resetting chip\n", sym_name(np)); 1677 OUTB(np, nc_istat, SRST); 1678 INB(np, nc_mbox1); 1679 udelay(10); 1680 OUTB(np, nc_istat, 0); 1681 1682 sym_free_resources(np, pdev, 1); 1683 scsi_host_put(shost); 1684 1685 return 1; 1686} 1687 1688/* 1689 * Driver host template. 1690 */ 1691static struct scsi_host_template sym2_template = { 1692 .module = THIS_MODULE, 1693 .name = "sym53c8xx", 1694 .info = sym53c8xx_info, 1695 .queuecommand = sym53c8xx_queue_command, 1696 .slave_alloc = sym53c8xx_slave_alloc, 1697 .slave_configure = sym53c8xx_slave_configure, 1698 .slave_destroy = sym53c8xx_slave_destroy, 1699 .eh_abort_handler = sym53c8xx_eh_abort_handler, 1700 .eh_device_reset_handler = sym53c8xx_eh_device_reset_handler, 1701 .eh_bus_reset_handler = sym53c8xx_eh_bus_reset_handler, 1702 .eh_host_reset_handler = sym53c8xx_eh_host_reset_handler, 1703 .this_id = 7, 1704 .use_clustering = ENABLE_CLUSTERING, 1705 .max_sectors = 0xFFFF, 1706#ifdef SYM_LINUX_PROC_INFO_SUPPORT 1707 .proc_info = sym53c8xx_proc_info, 1708 .proc_name = NAME53C8XX, 1709#endif 1710}; 1711 1712static int attach_count; 1713 1714static int __devinit sym2_probe(struct pci_dev *pdev, 1715 const struct pci_device_id *ent) 1716{ 1717 struct sym_device sym_dev; 1718 struct sym_nvram nvram; 1719 struct Scsi_Host *shost; 1720 int do_iounmap = 0; 1721 int do_disable_device = 1; 1722 1723 memset(&sym_dev, 0, sizeof(sym_dev)); 1724 memset(&nvram, 0, sizeof(nvram)); 1725 sym_dev.pdev = pdev; 1726 sym_dev.host_id = SYM_SETUP_HOST_ID; 1727 1728 if (pci_enable_device(pdev)) 1729 goto leave; 1730 1731 pci_set_master(pdev); 1732 1733 if (pci_request_regions(pdev, NAME53C8XX)) 1734 goto disable; 1735 1736 if (sym_check_supported(&sym_dev)) 1737 goto free; 1738 1739 if (sym_iomap_device(&sym_dev)) 1740 goto free; 1741 do_iounmap = 1; 1742 1743 if (sym_check_raid(&sym_dev)) { 1744 do_disable_device = 0; /* Don't disable the device */ 1745 goto free; 1746 } 1747 1748 if (sym_set_workarounds(&sym_dev)) 1749 goto free; 1750 1751 sym_config_pqs(pdev, &sym_dev); 1752 1753 sym_get_nvram(&sym_dev, &nvram); 1754 1755 do_iounmap = 0; /* Don't sym_iounmap_device() after sym_attach(). */ 1756 shost = sym_attach(&sym2_template, attach_count, &sym_dev); 1757 if (!shost) 1758 goto free; 1759 1760 if (scsi_add_host(shost, &pdev->dev)) 1761 goto detach; 1762 scsi_scan_host(shost); 1763 1764 attach_count++; 1765 1766 return 0; 1767 1768 detach: 1769 sym_detach(pci_get_drvdata(pdev), pdev); 1770 free: 1771 if (do_iounmap) 1772 sym_iounmap_device(&sym_dev); 1773 pci_release_regions(pdev); 1774 disable: 1775 if (do_disable_device) 1776 pci_disable_device(pdev); 1777 leave: 1778 return -ENODEV; 1779} 1780 1781static void sym2_remove(struct pci_dev *pdev) 1782{ 1783 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1784 1785 scsi_remove_host(shost); 1786 sym_detach(shost, pdev); 1787 pci_release_regions(pdev); 1788 pci_disable_device(pdev); 1789 1790 attach_count--; 1791} 1792 1793/** 1794 * sym2_io_error_detected() - called when PCI error is detected 1795 * @pdev: pointer to PCI device 1796 * @state: current state of the PCI slot 1797 */ 1798static pci_ers_result_t sym2_io_error_detected(struct pci_dev *pdev, 1799 enum pci_channel_state state) 1800{ 1801 /* If slot is permanently frozen, turn everything off */ 1802 if (state == pci_channel_io_perm_failure) { 1803 sym2_remove(pdev); 1804 return PCI_ERS_RESULT_DISCONNECT; 1805 } 1806 1807 disable_irq(pdev->irq); 1808 pci_disable_device(pdev); 1809 1810 /* Request that MMIO be enabled, so register dump can be taken. */ 1811 return PCI_ERS_RESULT_CAN_RECOVER; 1812} 1813 1814/** 1815 * sym2_io_slot_dump - Enable MMIO and dump debug registers 1816 * @pdev: pointer to PCI device 1817 */ 1818static pci_ers_result_t sym2_io_slot_dump(struct pci_dev *pdev) 1819{ 1820 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1821 1822 sym_dump_registers(shost); 1823 1824 /* Request a slot reset. */ 1825 return PCI_ERS_RESULT_NEED_RESET; 1826} 1827 1828/** 1829 * sym2_reset_workarounds - hardware-specific work-arounds 1830 * 1831 * This routine is similar to sym_set_workarounds(), except 1832 * that, at this point, we already know that the device was 1833 * successfully intialized at least once before, and so most 1834 * of the steps taken there are un-needed here. 1835 */ 1836static void sym2_reset_workarounds(struct pci_dev *pdev) 1837{ 1838 u_short status_reg; 1839 struct sym_chip *chip; 1840 1841 chip = sym_lookup_chip_table(pdev->device, pdev->revision); 1842 1843 pci_read_config_word(pdev, PCI_STATUS, &status_reg); 1844 if (!(chip->features & FE_66MHZ) && (status_reg & PCI_STATUS_66MHZ)) { 1845 status_reg = PCI_STATUS_66MHZ; 1846 pci_write_config_word(pdev, PCI_STATUS, status_reg); 1847 pci_read_config_word(pdev, PCI_STATUS, &status_reg); 1848 } 1849} 1850 1851/** 1852 * sym2_io_slot_reset() - called when the pci bus has been reset. 1853 * @pdev: pointer to PCI device 1854 * 1855 * Restart the card from scratch. 1856 */ 1857static pci_ers_result_t sym2_io_slot_reset(struct pci_dev *pdev) 1858{ 1859 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1860 struct sym_hcb *np = sym_get_hcb(shost); 1861 1862 printk(KERN_INFO "%s: recovering from a PCI slot reset\n", 1863 sym_name(np)); 1864 1865 if (pci_enable_device(pdev)) { 1866 printk(KERN_ERR "%s: Unable to enable after PCI reset\n", 1867 sym_name(np)); 1868 return PCI_ERS_RESULT_DISCONNECT; 1869 } 1870 1871 pci_set_master(pdev); 1872 enable_irq(pdev->irq); 1873 1874 /* If the chip can do Memory Write Invalidate, enable it */ 1875 if (np->features & FE_WRIE) { 1876 if (pci_set_mwi(pdev)) 1877 return PCI_ERS_RESULT_DISCONNECT; 1878 } 1879 1880 /* Perform work-arounds, analogous to sym_set_workarounds() */ 1881 sym2_reset_workarounds(pdev); 1882 1883 /* Perform host reset only on one instance of the card */ 1884 if (PCI_FUNC(pdev->devfn) == 0) { 1885 if (sym_reset_scsi_bus(np, 0)) { 1886 printk(KERN_ERR "%s: Unable to reset scsi host\n", 1887 sym_name(np)); 1888 return PCI_ERS_RESULT_DISCONNECT; 1889 } 1890 sym_start_up(shost, 1); 1891 } 1892 1893 return PCI_ERS_RESULT_RECOVERED; 1894} 1895 1896/** 1897 * sym2_io_resume() - resume normal ops after PCI reset 1898 * @pdev: pointer to PCI device 1899 * 1900 * Called when the error recovery driver tells us that its 1901 * OK to resume normal operation. Use completion to allow 1902 * halted scsi ops to resume. 1903 */ 1904static void sym2_io_resume(struct pci_dev *pdev) 1905{ 1906 struct Scsi_Host *shost = pci_get_drvdata(pdev); 1907 struct sym_data *sym_data = shost_priv(shost); 1908 1909 spin_lock_irq(shost->host_lock); 1910 if (sym_data->io_reset) 1911 complete_all(sym_data->io_reset); 1912 spin_unlock_irq(shost->host_lock); 1913} 1914 1915static void sym2_get_signalling(struct Scsi_Host *shost) 1916{ 1917 struct sym_hcb *np = sym_get_hcb(shost); 1918 enum spi_signal_type type; 1919 1920 switch (np->scsi_mode) { 1921 case SMODE_SE: 1922 type = SPI_SIGNAL_SE; 1923 break; 1924 case SMODE_LVD: 1925 type = SPI_SIGNAL_LVD; 1926 break; 1927 case SMODE_HVD: 1928 type = SPI_SIGNAL_HVD; 1929 break; 1930 default: 1931 type = SPI_SIGNAL_UNKNOWN; 1932 break; 1933 } 1934 spi_signalling(shost) = type; 1935} 1936 1937static void sym2_set_offset(struct scsi_target *starget, int offset) 1938{ 1939 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 1940 struct sym_hcb *np = sym_get_hcb(shost); 1941 struct sym_tcb *tp = &np->target[starget->id]; 1942 1943 tp->tgoal.offset = offset; 1944 tp->tgoal.check_nego = 1; 1945} 1946 1947static void sym2_set_period(struct scsi_target *starget, int period) 1948{ 1949 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 1950 struct sym_hcb *np = sym_get_hcb(shost); 1951 struct sym_tcb *tp = &np->target[starget->id]; 1952 1953 /* have to have DT for these transfers, but DT will also 1954 * set width, so check that this is allowed */ 1955 if (period <= np->minsync && spi_width(starget)) 1956 tp->tgoal.dt = 1; 1957 1958 tp->tgoal.period = period; 1959 tp->tgoal.check_nego = 1; 1960} 1961 1962static void sym2_set_width(struct scsi_target *starget, int width) 1963{ 1964 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 1965 struct sym_hcb *np = sym_get_hcb(shost); 1966 struct sym_tcb *tp = &np->target[starget->id]; 1967 1968 /* It is illegal to have DT set on narrow transfers. If DT is 1969 * clear, we must also clear IU and QAS. */ 1970 if (width == 0) 1971 tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0; 1972 1973 tp->tgoal.width = width; 1974 tp->tgoal.check_nego = 1; 1975} 1976 1977static void sym2_set_dt(struct scsi_target *starget, int dt) 1978{ 1979 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent); 1980 struct sym_hcb *np = sym_get_hcb(shost); 1981 struct sym_tcb *tp = &np->target[starget->id]; 1982 1983 /* We must clear QAS and IU if DT is clear */ 1984 if (dt) 1985 tp->tgoal.dt = 1; 1986 else 1987 tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0; 1988 tp->tgoal.check_nego = 1; 1989} 1990 1991 1992static struct spi_function_template sym2_transport_functions = { 1993 .set_offset = sym2_set_offset, 1994 .show_offset = 1, 1995 .set_period = sym2_set_period, 1996 .show_period = 1, 1997 .set_width = sym2_set_width, 1998 .show_width = 1, 1999 .set_dt = sym2_set_dt, 2000 .show_dt = 1, 2001 .get_signalling = sym2_get_signalling, 2002}; 2003 2004static struct pci_device_id sym2_id_table[] __devinitdata = { 2005 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C810, 2006 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2007 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C820, 2008 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, /* new */ 2009 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C825, 2010 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2011 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C815, 2012 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2013 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C810AP, 2014 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, /* new */ 2015 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C860, 2016 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2017 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1510, 2018 PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SCSI<<8, 0xffff00, 0UL }, 2019 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C896, 2020 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2021 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C895, 2022 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2023 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C885, 2024 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2025 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C875, 2026 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2027 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C1510, 2028 PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SCSI<<8, 0xffff00, 0UL }, /* new */ 2029 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C895A, 2030 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2031 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C875A, 2032 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2033 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1010_33, 2034 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2035 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1010_66, 2036 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2037 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C875J, 2038 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, 2039 { 0, } 2040}; 2041 2042MODULE_DEVICE_TABLE(pci, sym2_id_table); 2043 2044static struct pci_error_handlers sym2_err_handler = { 2045 .error_detected = sym2_io_error_detected, 2046 .mmio_enabled = sym2_io_slot_dump, 2047 .slot_reset = sym2_io_slot_reset, 2048 .resume = sym2_io_resume, 2049}; 2050 2051static struct pci_driver sym2_driver = { 2052 .name = NAME53C8XX, 2053 .id_table = sym2_id_table, 2054 .probe = sym2_probe, 2055 .remove = sym2_remove, 2056 .err_handler = &sym2_err_handler, 2057}; 2058 2059static int __init sym2_init(void) 2060{ 2061 int error; 2062 2063 sym2_setup_params(); 2064 sym2_transport_template = spi_attach_transport(&sym2_transport_functions); 2065 if (!sym2_transport_template) 2066 return -ENODEV; 2067 2068 error = pci_register_driver(&sym2_driver); 2069 if (error) 2070 spi_release_transport(sym2_transport_template); 2071 return error; 2072} 2073 2074static void __exit sym2_exit(void) 2075{ 2076 pci_unregister_driver(&sym2_driver); 2077 spi_release_transport(sym2_transport_template); 2078} 2079 2080module_init(sym2_init); 2081module_exit(sym2_exit); 2082