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[SCSI] sym53c8xx: Stop overriding scsi_done
[deliverable/linux.git] / drivers / scsi / sym53c8xx_2 / sym_glue.c
CommitLineData
1da177e4
LT		 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/interrupt.h>
43#include <linux/module.h>
44#include <linux/moduleparam.h>
45#include <linux/spinlock.h>
46#include <scsi/scsi.h>
47#include <scsi/scsi_tcq.h>
48#include <scsi/scsi_device.h>
49#include <scsi/scsi_transport.h>
50
51#include "sym_glue.h"
52#include "sym_nvram.h"
53
54#define NAME53C "sym53c"
55#define NAME53C8XX "sym53c8xx"
56
1da177e4
LT		 57#define IRQ_FMT "%d"
58#define IRQ_PRM(x) (x)
1da177e4
LT		 59
60struct sym_driver_setup sym_driver_setup = SYM_LINUX_DRIVER_SETUP;
61unsigned int sym_debug_flags = 0;
62
63static char *excl_string;
64static char *safe_string;
65module_param_named(cmd_per_lun, sym_driver_setup.max_tag, ushort, 0);
66module_param_string(tag_ctrl, sym_driver_setup.tag_ctrl, 100, 0);
67module_param_named(burst, sym_driver_setup.burst_order, byte, 0);
68module_param_named(led, sym_driver_setup.scsi_led, byte, 0);
69module_param_named(diff, sym_driver_setup.scsi_diff, byte, 0);
70module_param_named(irqm, sym_driver_setup.irq_mode, byte, 0);
71module_param_named(buschk, sym_driver_setup.scsi_bus_check, byte, 0);
72module_param_named(hostid, sym_driver_setup.host_id, byte, 0);
73module_param_named(verb, sym_driver_setup.verbose, byte, 0);
74module_param_named(debug, sym_debug_flags, uint, 0);
75module_param_named(settle, sym_driver_setup.settle_delay, byte, 0);
76module_param_named(nvram, sym_driver_setup.use_nvram, byte, 0);
77module_param_named(excl, excl_string, charp, 0);
78module_param_named(safe, safe_string, charp, 0);
79
80MODULE_PARM_DESC(cmd_per_lun, "The maximum number of tags to use by default");
81MODULE_PARM_DESC(tag_ctrl, "More detailed control over tags per LUN");
82MODULE_PARM_DESC(burst, "Maximum burst. 0 to disable, 255 to read from registers");
83MODULE_PARM_DESC(led, "Set to 1 to enable LED support");
84MODULE_PARM_DESC(diff, "0 for no differential mode, 1 for BIOS, 2 for always, 3 for not GPIO3");
85MODULE_PARM_DESC(irqm, "0 for open drain, 1 to leave alone, 2 for totem pole");
86MODULE_PARM_DESC(buschk, "0 to not check, 1 for detach on error, 2 for warn on error");
87MODULE_PARM_DESC(hostid, "The SCSI ID to use for the host adapters");
88MODULE_PARM_DESC(verb, "0 for minimal verbosity, 1 for normal, 2 for excessive");
89MODULE_PARM_DESC(debug, "Set bits to enable debugging");
90MODULE_PARM_DESC(settle, "Settle delay in seconds. Default 3");
91MODULE_PARM_DESC(nvram, "Option currently not used");
92MODULE_PARM_DESC(excl, "List ioport addresses here to prevent controllers from being attached");
93MODULE_PARM_DESC(safe, "Set other settings to a \"safe mode\"");
94
95MODULE_LICENSE("GPL");
96MODULE_VERSION(SYM_VERSION);
97MODULE_AUTHOR("Matthew Wilcox <matthew@wil.cx>");
98MODULE_DESCRIPTION("NCR, Symbios and LSI 8xx and 1010 PCI SCSI adapters");
99
100static void sym2_setup_params(void)
101{
102 char *p = excl_string;
103 int xi = 0;
104
105 while (p && (xi < 8)) {
106 char *next_p;
107 int val = (int) simple_strtoul(p, &next_p, 0);
108 sym_driver_setup.excludes[xi++] = val;
109 p = next_p;
110 }
111
112 if (safe_string) {
113 if (*safe_string == 'y') {
114 sym_driver_setup.max_tag = 0;
115 sym_driver_setup.burst_order = 0;
116 sym_driver_setup.scsi_led = 0;
117 sym_driver_setup.scsi_diff = 1;
118 sym_driver_setup.irq_mode = 0;
119 sym_driver_setup.scsi_bus_check = 2;
120 sym_driver_setup.host_id = 7;
121 sym_driver_setup.verbose = 2;
122 sym_driver_setup.settle_delay = 10;
123 sym_driver_setup.use_nvram = 1;
124 } else if (*safe_string != 'n') {
125 printk(KERN_WARNING NAME53C8XX "Ignoring parameter %s"
126 " passed to safe option", safe_string);
127 }
128 }
129}
130
1da177e4
LT		 131static struct scsi_transport_template *sym2_transport_template = NULL;
132
1da177e4
LT		 133/*
134 * Driver private area in the SCSI command structure.
135 */
136struct sym_ucmd { /* Override the SCSI pointer structure */
d637c454 137 struct completion *eh_done; /* For error handling */
1da177e4
LT		 138};
139
140#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)(&(cmd)->SCp))
141#define SYM_SOFTC_PTR(cmd) sym_get_hcb(cmd->device->host)
142
1da177e4
LT		 143/*
144 * Complete a pending CAM CCB.
145 */
146void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *cmd)
147{
2ba65367
MW		 148 struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
149 BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd));
150
151 if (ucmd->eh_done)
152 complete(ucmd->eh_done);
153
39c05d1e 154 scsi_dma_unmap(cmd);
1da177e4
LT		 155 cmd->scsi_done(cmd);
156}
157
1da177e4
LT		 158/*
159 * Tell the SCSI layer about a BUS RESET.
160 */
161void sym_xpt_async_bus_reset(struct sym_hcb *np)
162{
163 printf_notice("%s: SCSI BUS has been reset.\n", sym_name(np));
164 np->s.settle_time = jiffies + sym_driver_setup.settle_delay * HZ;
165 np->s.settle_time_valid = 1;
166 if (sym_verbose >= 2)
167 printf_info("%s: command processing suspended for %d seconds\n",
168 sym_name(np), sym_driver_setup.settle_delay);
169}
170
171/*
172 * Tell the SCSI layer about a BUS DEVICE RESET message sent.
173 */
174void sym_xpt_async_sent_bdr(struct sym_hcb *np, int target)
175{
176 printf_notice("%s: TARGET %d has been reset.\n", sym_name(np), target);
177}
178
179/*
180 * Choose the more appropriate CAM status if
181 * the IO encountered an extended error.
182 */
183static int sym_xerr_cam_status(int cam_status, int x_status)
184{
185 if (x_status) {
186 if (x_status & XE_PARITY_ERR)
187 cam_status = DID_PARITY;
188 else if (x_status &(XE_EXTRA_DATA|XE_SODL_UNRUN|XE_SWIDE_OVRUN))
189 cam_status = DID_ERROR;
190 else if (x_status & XE_BAD_PHASE)
191 cam_status = DID_ERROR;
192 else
193 cam_status = DID_ERROR;
194 }
195 return cam_status;
196}
197
198/*
199 * Build CAM result for a failed or auto-sensed IO.
200 */
201void sym_set_cam_result_error(struct sym_hcb *np, struct sym_ccb *cp, int resid)
202{
203 struct scsi_cmnd *cmd = cp->cmd;
204 u_int cam_status, scsi_status, drv_status;
205
206 drv_status = 0;
207 cam_status = DID_OK;
208 scsi_status = cp->ssss_status;
209
210 if (cp->host_flags & HF_SENSE) {
211 scsi_status = cp->sv_scsi_status;
212 resid = cp->sv_resid;
213 if (sym_verbose && cp->sv_xerr_status)
214 sym_print_xerr(cmd, cp->sv_xerr_status);
215 if (cp->host_status == HS_COMPLETE &&
216 cp->ssss_status == S_GOOD &&
217 cp->xerr_status == 0) {
218 cam_status = sym_xerr_cam_status(DID_OK,
219 cp->sv_xerr_status);
220 drv_status = DRIVER_SENSE;
221 /*
222 * Bounce back the sense data to user.
223 */
224 memset(&cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
225 memcpy(cmd->sense_buffer, cp->sns_bbuf,
226 min(sizeof(cmd->sense_buffer),
227 (size_t)SYM_SNS_BBUF_LEN));
228#if 0
229 /*
230 * If the device reports a UNIT ATTENTION condition
231 * due to a RESET condition, we should consider all
232 * disconnect CCBs for this unit as aborted.
233 */
234 if (1) {
235 u_char *p;
236 p = (u_char *) cmd->sense_data;
237 if (p[0]==0x70 && p[2]==0x6 && p[12]==0x29)
238 sym_clear_tasks(np, DID_ABORT,
239 cp->target,cp->lun, -1);
240 }
241#endif
242 } else {
243 /*
244 * Error return from our internal request sense. This
245 * is bad: we must clear the contingent allegiance
246 * condition otherwise the device will always return
247 * BUSY. Use a big stick.
248 */
249 sym_reset_scsi_target(np, cmd->device->id);
250 cam_status = DID_ERROR;
251 }
252 } else if (cp->host_status == HS_COMPLETE) /* Bad SCSI status */
253 cam_status = DID_OK;
254 else if (cp->host_status == HS_SEL_TIMEOUT) /* Selection timeout */
255 cam_status = DID_NO_CONNECT;
256 else if (cp->host_status == HS_UNEXPECTED) /* Unexpected BUS FREE*/
257 cam_status = DID_ERROR;
258 else { /* Extended error */
259 if (sym_verbose) {
260 sym_print_addr(cmd, "COMMAND FAILED (%x %x %x).\n",
261 cp->host_status, cp->ssss_status,
262 cp->xerr_status);
263 }
264 /*
265 * Set the most appropriate value for CAM status.
266 */
267 cam_status = sym_xerr_cam_status(DID_ERROR, cp->xerr_status);
268 }
938febd6 269 scsi_set_resid(cmd, resid);
1da177e4
LT		 270 cmd->result = (drv_status << 24) + (cam_status << 16) + scsi_status;
271}
272
1da177e4
LT		 273static int sym_scatter(struct sym_hcb *np, struct sym_ccb *cp, struct scsi_cmnd *cmd)
274{
275 int segment;
938febd6 276 int use_sg;
1da177e4
LT		 277
278 cp->data_len = 0;
279
39c05d1e 280 use_sg = scsi_dma_map(cmd);
938febd6
FT		 281 if (use_sg > 0) {
282 struct scatterlist *sg;
53222b90 283 struct sym_tcb *tp = &np->target[cp->target];
1da177e4
LT		 284 struct sym_tblmove *data;
285
286 if (use_sg > SYM_CONF_MAX_SG) {
39c05d1e 287 scsi_dma_unmap(cmd);
1da177e4
LT		 288 return -1;
289 }
290
291 data = &cp->phys.data[SYM_CONF_MAX_SG - use_sg];
292
938febd6
FT		 293 scsi_for_each_sg(cmd, sg, use_sg, segment) {
294 dma_addr_t baddr = sg_dma_address(sg);
295 unsigned int len = sg_dma_len(sg);
1da177e4 296
53222b90
MW		 297 if ((len & 1) && (tp->head.wval & EWS)) {
298 len++;
299 cp->odd_byte_adjustment++;
300 }
301
1da177e4
LT		 302 sym_build_sge(np, &data[segment], baddr, len);
303 cp->data_len += len;
304 }
305 } else {
306 segment = -2;
307 }
308
309 return segment;
310}
311
312/*
313 * Queue a SCSI command.
314 */
315static int sym_queue_command(struct sym_hcb *np, struct scsi_cmnd *cmd)
316{
317 struct scsi_device *sdev = cmd->device;
318 struct sym_tcb *tp;
319 struct sym_lcb *lp;
320 struct sym_ccb *cp;
321 int order;
322
1da177e4
LT		 323 /*
324 * Retrieve the target descriptor.
325 */
326 tp = &np->target[sdev->id];
327
1da177e4
LT		 328 /*
329 * Select tagged/untagged.
330 */
331 lp = sym_lp(tp, sdev->lun);
332 order = (lp && lp->s.reqtags) ? M_SIMPLE_TAG : 0;
333
334 /*
335 * Queue the SCSI IO.
336 */
337 cp = sym_get_ccb(np, cmd, order);
338 if (!cp)
339 return 1; /* Means resource shortage */
340 sym_queue_scsiio(np, cmd, cp);
341 return 0;
342}
343
344/*
345 * Setup buffers and pointers that address the CDB.
346 */
347static inline int sym_setup_cdb(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp)
348{
1da177e4 349 memcpy(cp->cdb_buf, cmd->cmnd, cmd->cmd_len);
1da177e4 350
53222b90
MW		 351 cp->phys.cmd.addr = CCB_BA(cp, cdb_buf[0]);
352 cp->phys.cmd.size = cpu_to_scr(cmd->cmd_len);
1da177e4
LT		 353
354 return 0;
355}
356
357/*
358 * Setup pointers that address the data and start the I/O.
359 */
360int sym_setup_data_and_start(struct sym_hcb *np, struct scsi_cmnd *cmd, struct sym_ccb *cp)
361{
44f30b0f
MW		 362 u32 lastp, goalp;
363 int dir;
1da177e4
LT		 364
365 /*
366 * Build the CDB.
367 */
368 if (sym_setup_cdb(np, cmd, cp))
369 goto out_abort;
370
371 /*
372 * No direction means no data.
373 */
374 dir = cmd->sc_data_direction;
375 if (dir != DMA_NONE) {
376 cp->segments = sym_scatter(np, cp, cmd);
377 if (cp->segments < 0) {
53222b90 378 sym_set_cam_status(cmd, DID_ERROR);
1da177e4
LT		 379 goto out_abort;
380 }
44f30b0f
MW		 381
382 /*
383 * No segments means no data.
384 */
385 if (!cp->segments)
386 dir = DMA_NONE;
1da177e4
LT		 387 } else {
388 cp->data_len = 0;
389 cp->segments = 0;
390 }
391
392 /*
44f30b0f
MW		 393 * Set the data pointer.
394 */
395 switch (dir) {
396 case DMA_BIDIRECTIONAL:
397 printk("%s: got DMA_BIDIRECTIONAL command", sym_name(np));
398 sym_set_cam_status(cmd, DID_ERROR);
399 goto out_abort;
400 case DMA_TO_DEVICE:
401 goalp = SCRIPTA_BA(np, data_out2) + 8;
402 lastp = goalp - 8 - (cp->segments * (2*4));
403 break;
404 case DMA_FROM_DEVICE:
405 cp->host_flags |= HF_DATA_IN;
406 goalp = SCRIPTA_BA(np, data_in2) + 8;
407 lastp = goalp - 8 - (cp->segments * (2*4));
408 break;
409 case DMA_NONE:
410 default:
411 lastp = goalp = SCRIPTB_BA(np, no_data);
412 break;
413 }
414
415 /*
416 * Set all pointers values needed by SCRIPTS.
1da177e4 417 */
44f30b0f
MW		 418 cp->phys.head.lastp = cpu_to_scr(lastp);
419 cp->phys.head.savep = cpu_to_scr(lastp);
420 cp->startp = cp->phys.head.savep;
421 cp->goalp = cpu_to_scr(goalp);
1da177e4
LT		 422
423 /*
424 * When `#ifed 1', the code below makes the driver
425 * panic on the first attempt to write to a SCSI device.
426 * It is the first test we want to do after a driver
427 * change that does not seem obviously safe. :)
428 */
429#if 0
430 switch (cp->cdb_buf[0]) {
431 case 0x0A: case 0x2A: case 0xAA:
432 panic("XXXXXXXXXXXXX WRITE NOT YET ALLOWED XXXXXXXXXXXXXX\n");
433 break;
434 default:
435 break;
436 }
437#endif
438
439 /*
440 * activate this job.
441 */
3bea15a7 442 sym_put_start_queue(np, cp);
1da177e4
LT		 443 return 0;
444
445out_abort:
446 sym_free_ccb(np, cp);
447 sym_xpt_done(np, cmd);
448 return 0;
449}
450
451
452/*
453 * timer daemon.
454 *
455 * Misused to keep the driver running when
456 * interrupts are not configured correctly.
457 */
458static void sym_timer(struct sym_hcb *np)
459{
460 unsigned long thistime = jiffies;
461
462 /*
463 * Restart the timer.
464 */
465 np->s.timer.expires = thistime + SYM_CONF_TIMER_INTERVAL;
466 add_timer(&np->s.timer);
467
468 /*
469 * If we are resetting the ncr, wait for settle_time before
470 * clearing it. Then command processing will be resumed.
471 */
472 if (np->s.settle_time_valid) {
473 if (time_before_eq(np->s.settle_time, thistime)) {
474 if (sym_verbose >= 2 )
475 printk("%s: command processing resumed\n",
476 sym_name(np));
477 np->s.settle_time_valid = 0;
478 }
479 return;
480 }
481
482 /*
483 * Nothing to do for now, but that may come.
484 */
485 if (np->s.lasttime + 4*HZ < thistime) {
486 np->s.lasttime = thistime;
487 }
488
489#ifdef SYM_CONF_PCIQ_MAY_MISS_COMPLETIONS
490 /*
491 * Some way-broken PCI bridges may lead to
492 * completions being lost when the clearing
493 * of the INTFLY flag by the CPU occurs
494 * concurrently with the chip raising this flag.
495 * If this ever happen, lost completions will
496 * be reaped here.
497 */
498 sym_wakeup_done(np);
499#endif
500}
501
502
503/*
504 * PCI BUS error handler.
505 */
506void sym_log_bus_error(struct sym_hcb *np)
507{
508 u_short pci_sts;
509 pci_read_config_word(np->s.device, PCI_STATUS, &pci_sts);
510 if (pci_sts & 0xf900) {
511 pci_write_config_word(np->s.device, PCI_STATUS, pci_sts);
512 printf("%s: PCI STATUS = 0x%04x\n",
513 sym_name(np), pci_sts & 0xf900);
514 }
515}
516
517/*
518 * queuecommand method. Entered with the host adapter lock held and
519 * interrupts disabled.
520 */
521static int sym53c8xx_queue_command(struct scsi_cmnd *cmd,
522 void (*done)(struct scsi_cmnd *))
523{
524 struct sym_hcb *np = SYM_SOFTC_PTR(cmd);
525 struct sym_ucmd *ucp = SYM_UCMD_PTR(cmd);
526 int sts = 0;
527
71c222dc 528 cmd->scsi_done = done;
1da177e4
LT		 529 memset(ucp, 0, sizeof(*ucp));
530
531 /*
532 * Shorten our settle_time if needed for
533 * this command not to time out.
534 */
535 if (np->s.settle_time_valid && cmd->timeout_per_command) {
536 unsigned long tlimit = jiffies + cmd->timeout_per_command;
537 tlimit -= SYM_CONF_TIMER_INTERVAL*2;
538 if (time_after(np->s.settle_time, tlimit)) {
539 np->s.settle_time = tlimit;
540 }
541 }
542
543 if (np->s.settle_time_valid)
544 return SCSI_MLQUEUE_HOST_BUSY;
545
546 sts = sym_queue_command(np, cmd);
547 if (sts)
548 return SCSI_MLQUEUE_HOST_BUSY;
549 return 0;
550}
551
552/*
553 * Linux entry point of the interrupt handler.
554 */
7d12e780 555static irqreturn_t sym53c8xx_intr(int irq, void *dev_id)
1da177e4 556{
6c9746b3 557 struct sym_hcb *np = dev_id;
1da177e4
LT		 558
559 if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("[");
560
6c9746b3 561 spin_lock(np->s.host->host_lock);
1da177e4 562 sym_interrupt(np);
6c9746b3 563 spin_unlock(np->s.host->host_lock);
1da177e4
LT		 564
565 if (DEBUG_FLAGS & DEBUG_TINY) printf_debug ("]\n");
566
567 return IRQ_HANDLED;
568}
569
570/*
571 * Linux entry point of the timer handler
572 */
573static void sym53c8xx_timer(unsigned long npref)
574{
575 struct sym_hcb *np = (struct sym_hcb *)npref;
576 unsigned long flags;
577
578 spin_lock_irqsave(np->s.host->host_lock, flags);
579 sym_timer(np);
580 spin_unlock_irqrestore(np->s.host->host_lock, flags);
581}
582
583
584/*
585 * What the eh thread wants us to perform.
586 */
587#define SYM_EH_ABORT 0
588#define SYM_EH_DEVICE_RESET 1
589#define SYM_EH_BUS_RESET 2
590#define SYM_EH_HOST_RESET 3
591
1da177e4
LT		 592/*
593 * Generic method for our eh processing.
594 * The 'op' argument tells what we have to do.
595 */
596static int sym_eh_handler(int op, char *opname, struct scsi_cmnd *cmd)
597{
598 struct sym_hcb *np = SYM_SOFTC_PTR(cmd);
b4e93a73
MW		 599 struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
600 struct Scsi_Host *host = cmd->device->host;
1da177e4 601 SYM_QUEHEAD *qp;
2ba65367 602 int cmd_queued = 0;
1da177e4 603 int sts = -1;
d637c454 604 struct completion eh_done;
1da177e4
LT		 605
606 dev_warn(&cmd->device->sdev_gendev, "%s operation started.\n", opname);
607
b4e93a73 608 spin_lock_irq(host->host_lock);
1da177e4
LT		 609 /* This one is queued in some place -> to wait for completion */
610 FOR_EACH_QUEUED_ELEMENT(&np->busy_ccbq, qp) {
611 struct sym_ccb *cp = sym_que_entry(qp, struct sym_ccb, link_ccbq);
612 if (cp->cmd == cmd) {
2ba65367 613 cmd_queued = 1;
ab19d52b 614 break;
1da177e4
LT		 615 }
616 }
617
1da177e4
LT		 618 /* Try to proceed the operation we have been asked for */
619 sts = -1;
620 switch(op) {
621 case SYM_EH_ABORT:
622 sts = sym_abort_scsiio(np, cmd, 1);
623 break;
624 case SYM_EH_DEVICE_RESET:
625 sts = sym_reset_scsi_target(np, cmd->device->id);
626 break;
627 case SYM_EH_BUS_RESET:
628 sym_reset_scsi_bus(np, 1);
629 sts = 0;
630 break;
631 case SYM_EH_HOST_RESET:
632 sym_reset_scsi_bus(np, 0);
633 sym_start_up (np, 1);
634 sts = 0;
635 break;
636 default:
637 break;
638 }
639
640 /* On error, restore everything and cross fingers :) */
2ba65367
MW		 641 if (sts)
642 cmd_queued = 0;
1da177e4 643
2ba65367
MW		 644 if (cmd_queued) {
645 init_completion(&eh_done);
646 ucmd->eh_done = &eh_done;
647 spin_unlock_irq(host->host_lock);
d637c454 648 if (!wait_for_completion_timeout(&eh_done, 5*HZ)) {
2ba65367 649 ucmd->eh_done = NULL;
1da177e4 650 sts = -2;
b4e93a73 651 }
2ba65367
MW		 652 } else {
653 spin_unlock_irq(host->host_lock);
1da177e4 654 }
2ba65367 655
1da177e4
LT		 656 dev_warn(&cmd->device->sdev_gendev, "%s operation %s.\n", opname,
657 sts==0 ? "complete" :sts==-2 ? "timed-out" : "failed");
658 return sts ? SCSI_FAILED : SCSI_SUCCESS;
659}
660
661
662/*
663 * Error handlers called from the eh thread (one thread per HBA).
664 */
665static int sym53c8xx_eh_abort_handler(struct scsi_cmnd *cmd)
666{
ab19d52b 667 return sym_eh_handler(SYM_EH_ABORT, "ABORT", cmd);
1da177e4
LT		 668}
669
670static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd)
671{
ab19d52b 672 return sym_eh_handler(SYM_EH_DEVICE_RESET, "DEVICE RESET", cmd);
1da177e4
LT		 673}
674
675static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd)
676{
ab19d52b 677 return sym_eh_handler(SYM_EH_BUS_RESET, "BUS RESET", cmd);
1da177e4
LT		 678}
679
680static int sym53c8xx_eh_host_reset_handler(struct scsi_cmnd *cmd)
681{
ab19d52b 682 return sym_eh_handler(SYM_EH_HOST_RESET, "HOST RESET", cmd);
1da177e4
LT		 683}
684
685/*
686 * Tune device queuing depth, according to various limits.
687 */
688static void sym_tune_dev_queuing(struct sym_tcb *tp, int lun, u_short reqtags)
689{
690 struct sym_lcb *lp = sym_lp(tp, lun);
691 u_short oldtags;
692
693 if (!lp)
694 return;
695
696 oldtags = lp->s.reqtags;
697
698 if (reqtags > lp->s.scdev_depth)
699 reqtags = lp->s.scdev_depth;
700
1da177e4
LT		 701 lp->s.reqtags = reqtags;
702
703 if (reqtags != oldtags) {
53222b90 704 dev_info(&tp->starget->dev,
1da177e4 705 "tagged command queuing %s, command queue depth %d.\n",
3bea15a7 706 lp->s.reqtags ? "enabled" : "disabled", reqtags);
1da177e4
LT		 707 }
708}
709
710/*
711 * Linux select queue depths function
712 */
713#define DEF_DEPTH (sym_driver_setup.max_tag)
714#define ALL_TARGETS -2
715#define NO_TARGET -1
716#define ALL_LUNS -2
717#define NO_LUN -1
718
719static int device_queue_depth(struct sym_hcb *np, int target, int lun)
720{
721 int c, h, t, u, v;
722 char *p = sym_driver_setup.tag_ctrl;
723 char *ep;
724
725 h = -1;
726 t = NO_TARGET;
727 u = NO_LUN;
728 while ((c = *p++) != 0) {
729 v = simple_strtoul(p, &ep, 0);
730 switch(c) {
731 case '/':
732 ++h;
733 t = ALL_TARGETS;
734 u = ALL_LUNS;
735 break;
736 case 't':
737 if (t != target)
738 t = (target == v) ? v : NO_TARGET;
739 u = ALL_LUNS;
740 break;
741 case 'u':
742 if (u != lun)
743 u = (lun == v) ? v : NO_LUN;
744 break;
745 case 'q':
746 if (h == np->s.unit &&
747 (t == ALL_TARGETS || t == target) &&
748 (u == ALL_LUNS || u == lun))
749 return v;
750 break;
751 case '-':
752 t = ALL_TARGETS;
753 u = ALL_LUNS;
754 break;
755 default:
756 break;
757 }
758 p = ep;
759 }
760 return DEF_DEPTH;
761}
762
53222b90 763static int sym53c8xx_slave_alloc(struct scsi_device *sdev)
1da177e4 764{
84e203a2
MW		 765 struct sym_hcb *np = sym_get_hcb(sdev->host);
766 struct sym_tcb *tp = &np->target[sdev->id];
767 struct sym_lcb *lp;
1da177e4 768
53222b90
MW		 769 if (sdev->id >= SYM_CONF_MAX_TARGET || sdev->lun >= SYM_CONF_MAX_LUN)
770 return -ENXIO;
1da177e4 771
66e8d1cc 772 tp->starget = sdev->sdev_target;
53222b90
MW		 773 /*
774 * Fail the device init if the device is flagged NOSCAN at BOOT in
775 * the NVRAM. This may speed up boot and maintain coherency with
776 * BIOS device numbering. Clearing the flag allows the user to
777 * rescan skipped devices later. We also return an error for
778 * devices not flagged for SCAN LUNS in the NVRAM since some single
779 * lun devices behave badly when asked for a non zero LUN.
780 */
781
66e8d1cc 782 if (tp->usrflags & SYM_SCAN_BOOT_DISABLED) {
53222b90 783 tp->usrflags &= ~SYM_SCAN_BOOT_DISABLED;
66e8d1cc
MW		 784 starget_printk(KERN_INFO, tp->starget,
785 "Scan at boot disabled in NVRAM\n");
53222b90
MW		 786 return -ENXIO;
787 }
788
66e8d1cc
MW		 789 if (tp->usrflags & SYM_SCAN_LUNS_DISABLED) {
790 if (sdev->lun != 0)
791 return -ENXIO;
792 starget_printk(KERN_INFO, tp->starget,
793 "Multiple LUNs disabled in NVRAM\n");
794 }
795
84e203a2
MW		 796 lp = sym_alloc_lcb(np, sdev->id, sdev->lun);
797 if (!lp)
798 return -ENOMEM;
799
b37df489
MW		 800 spi_min_period(tp->starget) = tp->usr_period;
801 spi_max_width(tp->starget) = tp->usr_width;
802
53222b90 803 return 0;
1da177e4
LT		 804}
805
806/*
807 * Linux entry point for device queue sizing.
808 */
84e203a2 809static int sym53c8xx_slave_configure(struct scsi_device *sdev)
1da177e4 810{
84e203a2
MW		 811 struct sym_hcb *np = sym_get_hcb(sdev->host);
812 struct sym_tcb *tp = &np->target[sdev->id];
813 struct sym_lcb *lp = sym_lp(tp, sdev->lun);
1da177e4
LT		 814 int reqtags, depth_to_use;
815
1da177e4
LT		 816 /*
817 * Get user flags.
818 */
819 lp->curr_flags = lp->user_flags;
820
821 /*
822 * Select queue depth from driver setup.
823 * Donnot use more than configured by user.
824 * Use at least 2.
825 * Donnot use more than our maximum.
826 */
84e203a2 827 reqtags = device_queue_depth(np, sdev->id, sdev->lun);
1da177e4
LT		 828 if (reqtags > tp->usrtags)
829 reqtags = tp->usrtags;
84e203a2 830 if (!sdev->tagged_supported)
1da177e4
LT		 831 reqtags = 0;
832#if 1 /* Avoid to locally queue commands for no good reasons */
833 if (reqtags > SYM_CONF_MAX_TAG)
834 reqtags = SYM_CONF_MAX_TAG;
835 depth_to_use = (reqtags ? reqtags : 2);
836#else
837 depth_to_use = (reqtags ? SYM_CONF_MAX_TAG : 2);
838#endif
84e203a2
MW		 839 scsi_adjust_queue_depth(sdev,
840 (sdev->tagged_supported ?
1da177e4
LT		 841 MSG_SIMPLE_TAG : 0),
842 depth_to_use);
843 lp->s.scdev_depth = depth_to_use;
84e203a2 844 sym_tune_dev_queuing(tp, sdev->lun, reqtags);
1da177e4 845
84e203a2
MW		 846 if (!spi_initial_dv(sdev->sdev_target))
847 spi_dv_device(sdev);
1da177e4
LT		 848
849 return 0;
850}
851
84e203a2
MW		 852static void sym53c8xx_slave_destroy(struct scsi_device *sdev)
853{
854 struct sym_hcb *np = sym_get_hcb(sdev->host);
855 struct sym_lcb *lp = sym_lp(&np->target[sdev->id], sdev->lun);
856
857 if (lp->itlq_tbl)
858 sym_mfree_dma(lp->itlq_tbl, SYM_CONF_MAX_TASK * 4, "ITLQ_TBL");
859 kfree(lp->cb_tags);
860 sym_mfree_dma(lp, sizeof(*lp), "LCB");
861}
862
1da177e4
LT		 863/*
864 * Linux entry point for info() function
865 */
866static const char *sym53c8xx_info (struct Scsi_Host *host)
867{
868 return SYM_DRIVER_NAME;
869}
870
871
872#ifdef SYM_LINUX_PROC_INFO_SUPPORT
873/*
874 * Proc file system stuff
875 *
876 * A read operation returns adapter information.
877 * A write operation is a control command.
878 * The string is parsed in the driver code and the command is passed
879 * to the sym_usercmd() function.
880 */
881
882#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
883
884struct sym_usrcmd {
885 u_long target;
886 u_long lun;
887 u_long data;
888 u_long cmd;
889};
890
891#define UC_SETSYNC 10
892#define UC_SETTAGS 11
893#define UC_SETDEBUG 12
894#define UC_SETWIDE 14
895#define UC_SETFLAG 15
896#define UC_SETVERBOSE 17
897#define UC_RESETDEV 18
898#define UC_CLEARDEV 19
899
900static void sym_exec_user_command (struct sym_hcb *np, struct sym_usrcmd *uc)
901{
902 struct sym_tcb *tp;
903 int t, l;
904
905 switch (uc->cmd) {
906 case 0: return;
907
908#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
909 case UC_SETDEBUG:
910 sym_debug_flags = uc->data;
911 break;
912#endif
913 case UC_SETVERBOSE:
914 np->verbose = uc->data;
915 break;
916 default:
917 /*
918 * We assume that other commands apply to targets.
919 * This should always be the case and avoid the below
920 * 4 lines to be repeated 6 times.
921 */
922 for (t = 0; t < SYM_CONF_MAX_TARGET; t++) {
923 if (!((uc->target >> t) & 1))
924 continue;
925 tp = &np->target[t];
926
927 switch (uc->cmd) {
928
929 case UC_SETSYNC:
930 if (!uc->data || uc->data >= 255) {
931 tp->tgoal.iu = tp->tgoal.dt =
932 tp->tgoal.qas = 0;
933 tp->tgoal.offset = 0;
934 } else if (uc->data <= 9 && np->minsync_dt) {
935 if (uc->data < np->minsync_dt)
936 uc->data = np->minsync_dt;
937 tp->tgoal.iu = tp->tgoal.dt =
938 tp->tgoal.qas = 1;
939 tp->tgoal.width = 1;
940 tp->tgoal.period = uc->data;
941 tp->tgoal.offset = np->maxoffs_dt;
942 } else {
943 if (uc->data < np->minsync)
944 uc->data = np->minsync;
945 tp->tgoal.iu = tp->tgoal.dt =
946 tp->tgoal.qas = 0;
947 tp->tgoal.period = uc->data;
948 tp->tgoal.offset = np->maxoffs;
949 }
950 tp->tgoal.check_nego = 1;
951 break;
952 case UC_SETWIDE:
953 tp->tgoal.width = uc->data ? 1 : 0;
954 tp->tgoal.check_nego = 1;
955 break;
956 case UC_SETTAGS:
957 for (l = 0; l < SYM_CONF_MAX_LUN; l++)
958 sym_tune_dev_queuing(tp, l, uc->data);
959 break;
960 case UC_RESETDEV:
961 tp->to_reset = 1;
962 np->istat_sem = SEM;
963 OUTB(np, nc_istat, SIGP|SEM);
964 break;
965 case UC_CLEARDEV:
966 for (l = 0; l < SYM_CONF_MAX_LUN; l++) {
967 struct sym_lcb *lp = sym_lp(tp, l);
968 if (lp) lp->to_clear = 1;
969 }
970 np->istat_sem = SEM;
971 OUTB(np, nc_istat, SIGP|SEM);
972 break;
973 case UC_SETFLAG:
974 tp->usrflags = uc->data;
975 break;
976 }
977 }
978 break;
979 }
980}
981
982static int skip_spaces(char *ptr, int len)
983{
984 int cnt, c;
985
986 for (cnt = len; cnt > 0 && (c = *ptr++) && isspace(c); cnt--);
987
988 return (len - cnt);
989}
990
991static int get_int_arg(char *ptr, int len, u_long *pv)
992{
993 char *end;
994
995 *pv = simple_strtoul(ptr, &end, 10);
996 return (end - ptr);
997}
998
999static int is_keyword(char *ptr, int len, char *verb)
1000{
1001 int verb_len = strlen(verb);
1002
1003 if (len >= verb_len && !memcmp(verb, ptr, verb_len))
1004 return verb_len;
1005 else
1006 return 0;
1007}
1008
1009#define SKIP_SPACES(ptr, len) \
1010 if ((arg_len = skip_spaces(ptr, len)) < 1) \
1011 return -EINVAL; \
1012 ptr += arg_len; len -= arg_len;
1013
1014#define GET_INT_ARG(ptr, len, v) \
1015 if (!(arg_len = get_int_arg(ptr, len, &(v)))) \
1016 return -EINVAL; \
1017 ptr += arg_len; len -= arg_len;
1018
1019
1020/*
1021 * Parse a control command
1022 */
1023
1024static int sym_user_command(struct sym_hcb *np, char *buffer, int length)
1025{
1026 char *ptr = buffer;
1027 int len = length;
1028 struct sym_usrcmd cmd, *uc = &cmd;
1029 int arg_len;
1030 u_long target;
1031
1032 memset(uc, 0, sizeof(*uc));
1033
1034 if (len > 0 && ptr[len-1] == '\n')
1035 --len;
1036
1037 if ((arg_len = is_keyword(ptr, len, "setsync")) != 0)
1038 uc->cmd = UC_SETSYNC;
1039 else if ((arg_len = is_keyword(ptr, len, "settags")) != 0)
1040 uc->cmd = UC_SETTAGS;
1041 else if ((arg_len = is_keyword(ptr, len, "setverbose")) != 0)
1042 uc->cmd = UC_SETVERBOSE;
1043 else if ((arg_len = is_keyword(ptr, len, "setwide")) != 0)
1044 uc->cmd = UC_SETWIDE;
1045#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
1046 else if ((arg_len = is_keyword(ptr, len, "setdebug")) != 0)
1047 uc->cmd = UC_SETDEBUG;
1048#endif
1049 else if ((arg_len = is_keyword(ptr, len, "setflag")) != 0)
1050 uc->cmd = UC_SETFLAG;
1051 else if ((arg_len = is_keyword(ptr, len, "resetdev")) != 0)
1052 uc->cmd = UC_RESETDEV;
1053 else if ((arg_len = is_keyword(ptr, len, "cleardev")) != 0)
1054 uc->cmd = UC_CLEARDEV;
1055 else
1056 arg_len = 0;
1057
1058#ifdef DEBUG_PROC_INFO
1059printk("sym_user_command: arg_len=%d, cmd=%ld\n", arg_len, uc->cmd);
1060#endif
1061
1062 if (!arg_len)
1063 return -EINVAL;
1064 ptr += arg_len; len -= arg_len;
1065
1066 switch(uc->cmd) {
1067 case UC_SETSYNC:
1068 case UC_SETTAGS:
1069 case UC_SETWIDE:
1070 case UC_SETFLAG:
1071 case UC_RESETDEV:
1072 case UC_CLEARDEV:
1073 SKIP_SPACES(ptr, len);
1074 if ((arg_len = is_keyword(ptr, len, "all")) != 0) {
1075 ptr += arg_len; len -= arg_len;
1076 uc->target = ~0;
1077 } else {
1078 GET_INT_ARG(ptr, len, target);
1079 uc->target = (1<<target);
1080#ifdef DEBUG_PROC_INFO
1081printk("sym_user_command: target=%ld\n", target);
1082#endif
1083 }
1084 break;
1085 }
1086
1087 switch(uc->cmd) {
1088 case UC_SETVERBOSE:
1089 case UC_SETSYNC:
1090 case UC_SETTAGS:
1091 case UC_SETWIDE:
1092 SKIP_SPACES(ptr, len);
1093 GET_INT_ARG(ptr, len, uc->data);
1094#ifdef DEBUG_PROC_INFO
1095printk("sym_user_command: data=%ld\n", uc->data);
1096#endif
1097 break;
1098#ifdef SYM_LINUX_DEBUG_CONTROL_SUPPORT
1099 case UC_SETDEBUG:
1100 while (len > 0) {
1101 SKIP_SPACES(ptr, len);
1102 if ((arg_len = is_keyword(ptr, len, "alloc")))
1103 uc->data |= DEBUG_ALLOC;
1104 else if ((arg_len = is_keyword(ptr, len, "phase")))
1105 uc->data |= DEBUG_PHASE;
1106 else if ((arg_len = is_keyword(ptr, len, "queue")))
1107 uc->data |= DEBUG_QUEUE;
1108 else if ((arg_len = is_keyword(ptr, len, "result")))
1109 uc->data |= DEBUG_RESULT;
1110 else if ((arg_len = is_keyword(ptr, len, "scatter")))
1111 uc->data |= DEBUG_SCATTER;
1112 else if ((arg_len = is_keyword(ptr, len, "script")))
1113 uc->data |= DEBUG_SCRIPT;
1114 else if ((arg_len = is_keyword(ptr, len, "tiny")))
1115 uc->data |= DEBUG_TINY;
1116 else if ((arg_len = is_keyword(ptr, len, "timing")))
1117 uc->data |= DEBUG_TIMING;
1118 else if ((arg_len = is_keyword(ptr, len, "nego")))
1119 uc->data |= DEBUG_NEGO;
1120 else if ((arg_len = is_keyword(ptr, len, "tags")))
1121 uc->data |= DEBUG_TAGS;
1122 else if ((arg_len = is_keyword(ptr, len, "pointer")))
1123 uc->data |= DEBUG_POINTER;
1124 else
1125 return -EINVAL;
1126 ptr += arg_len; len -= arg_len;
1127 }
1128#ifdef DEBUG_PROC_INFO
1129printk("sym_user_command: data=%ld\n", uc->data);
1130#endif
1131 break;
1132#endif /* SYM_LINUX_DEBUG_CONTROL_SUPPORT */
1133 case UC_SETFLAG:
1134 while (len > 0) {
1135 SKIP_SPACES(ptr, len);
1136 if ((arg_len = is_keyword(ptr, len, "no_disc")))
1137 uc->data &= ~SYM_DISC_ENABLED;
1138 else
1139 return -EINVAL;
1140 ptr += arg_len; len -= arg_len;
1141 }
1142 break;
1143 default:
1144 break;
1145 }
1146
1147 if (len)
1148 return -EINVAL;
1149 else {
1150 unsigned long flags;
1151
1152 spin_lock_irqsave(np->s.host->host_lock, flags);
1153 sym_exec_user_command (np, uc);
1154 spin_unlock_irqrestore(np->s.host->host_lock, flags);
1155 }
1156 return length;
1157}
1158
1159#endif /* SYM_LINUX_USER_COMMAND_SUPPORT */
1160
1161
1162#ifdef SYM_LINUX_USER_INFO_SUPPORT
1163/*
1164 * Informations through the proc file system.
1165 */
1166struct info_str {
1167 char *buffer;
1168 int length;
1169 int offset;
1170 int pos;
1171};
1172
1173static void copy_mem_info(struct info_str *info, char *data, int len)
1174{
1175 if (info->pos + len > info->length)
1176 len = info->length - info->pos;
1177
1178 if (info->pos + len < info->offset) {
1179 info->pos += len;
1180 return;
1181 }
1182 if (info->pos < info->offset) {
1183 data += (info->offset - info->pos);
1184 len -= (info->offset - info->pos);
1185 }
1186
1187 if (len > 0) {
1188 memcpy(info->buffer + info->pos, data, len);
1189 info->pos += len;
1190 }
1191}
1192
1193static int copy_info(struct info_str *info, char *fmt, ...)
1194{
1195 va_list args;
1196 char buf[81];
1197 int len;
1198
1199 va_start(args, fmt);
1200 len = vsprintf(buf, fmt, args);
1201 va_end(args);
1202
1203 copy_mem_info(info, buf, len);
1204 return len;
1205}
1206
1207/*
1208 * Copy formatted information into the input buffer.
1209 */
1210static int sym_host_info(struct sym_hcb *np, char *ptr, off_t offset, int len)
1211{
1212 struct info_str info;
1213
1214 info.buffer = ptr;
1215 info.length = len;
1216 info.offset = offset;
1217 info.pos = 0;
1218
1219 copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, "
1220 "revision id 0x%x\n",
1221 np->s.chip_name, np->device_id, np->revision_id);
1222 copy_info(&info, "At PCI address %s, IRQ " IRQ_FMT "\n",
f363abff 1223 pci_name(np->s.device), IRQ_PRM(np->s.device->irq));
1da177e4
LT		 1224 copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n",
1225 (int) (np->minsync_dt ? np->minsync_dt : np->minsync),
1226 np->maxwide ? "Wide" : "Narrow",
1227 np->minsync_dt ? ", DT capable" : "");
1228
1229 copy_info(&info, "Max. started commands %d, "
1230 "max. commands per LUN %d\n",
1231 SYM_CONF_MAX_START, SYM_CONF_MAX_TAG);
1232
1233 return info.pos > info.offset? info.pos - info.offset : 0;
1234}
1235#endif /* SYM_LINUX_USER_INFO_SUPPORT */
1236
1237/*
1238 * Entry point of the scsi proc fs of the driver.
1239 * - func = 0 means read (returns adapter infos)
1240 * - func = 1 means write (not yet merget from sym53c8xx)
1241 */
1242static int sym53c8xx_proc_info(struct Scsi_Host *host, char *buffer,
1243 char **start, off_t offset, int length, int func)
1244{
1245 struct sym_hcb *np = sym_get_hcb(host);
1246 int retv;
1247
1248 if (func) {
1249#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
1250 retv = sym_user_command(np, buffer, length);
1251#else
1252 retv = -EINVAL;
1253#endif
1254 } else {
1255 if (start)
1256 *start = buffer;
1257#ifdef SYM_LINUX_USER_INFO_SUPPORT
1258 retv = sym_host_info(np, buffer, offset, length);
1259#else
1260 retv = -EINVAL;
1261#endif
1262 }
1263
1264 return retv;
1265}
1266#endif /* SYM_LINUX_PROC_INFO_SUPPORT */
1267
1268/*
1269 * Free controller resources.
1270 */
1271static void sym_free_resources(struct sym_hcb *np, struct pci_dev *pdev)
1272{
1273 /*
1274 * Free O/S specific resources.
1275 */
f363abff
MW		 1276 if (pdev->irq)
1277 free_irq(pdev->irq, np);
1da177e4
LT		 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 * Ask/tell the system about DMA addressing.
1292 */
1293static int sym_setup_bus_dma_mask(struct sym_hcb *np)
1294{
1295#if SYM_CONF_DMA_ADDRESSING_MODE > 0
1296#if SYM_CONF_DMA_ADDRESSING_MODE == 1
1e8eb21e 1297#define DMA_DAC_MASK DMA_40BIT_MASK
1da177e4
LT		 1298#elif SYM_CONF_DMA_ADDRESSING_MODE == 2
1299#define DMA_DAC_MASK DMA_64BIT_MASK
1300#endif
1301 if ((np->features & FE_DAC) &&
1302 !pci_set_dma_mask(np->s.device, DMA_DAC_MASK)) {
1303 np->use_dac = 1;
1304 return 0;
1305 }
1306#endif
1307
1308 if (!pci_set_dma_mask(np->s.device, DMA_32BIT_MASK))
1309 return 0;
1310
1311 printf_warning("%s: No suitable DMA available\n", sym_name(np));
1312 return -1;
1313}
1314
1315/*
1316 * Host attach and initialisations.
1317 *
1318 * Allocate host data and ncb structure.
1319 * Remap MMIO region.
1320 * Do chip initialization.
1321 * If all is OK, install interrupt handling and
1322 * start the timer daemon.
1323 */
1324static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
1325 int unit, struct sym_device *dev)
1326{
1327 struct host_data *host_data;
1328 struct sym_hcb *np = NULL;
1329 struct Scsi_Host *instance = NULL;
1330 struct pci_dev *pdev = dev->pdev;
1331 unsigned long flags;
1332 struct sym_fw *fw;
1333
1334 printk(KERN_INFO
1335 "sym%d: <%s> rev 0x%x at pci %s irq " IRQ_FMT "\n",
1336 unit, dev->chip.name, dev->chip.revision_id,
1337 pci_name(pdev), IRQ_PRM(pdev->irq));
1338
1339 /*
1340 * Get the firmware for this chip.
1341 */
1342 fw = sym_find_firmware(&dev->chip);
1343 if (!fw)
1344 goto attach_failed;
1345
1346 /*
1347 * Allocate host_data structure
1348 */
1349 instance = scsi_host_alloc(tpnt, sizeof(*host_data));
1350 if (!instance)
1351 goto attach_failed;
1352 host_data = (struct host_data *) instance->hostdata;
1353
1354 /*
1355 * Allocate immediately the host control block,
1356 * since we are only expecting to succeed. :)
1357 * We keep track in the HCB of all the resources that
1358 * are to be released on error.
1359 */
1360 np = __sym_calloc_dma(&pdev->dev, sizeof(*np), "HCB");
1361 if (!np)
1362 goto attach_failed;
1363 np->s.device = pdev;
1364 np->bus_dmat = &pdev->dev; /* Result in 1 DMA pool per HBA */
1365 host_data->ncb = np;
1366 np->s.host = instance;
1367
1368 pci_set_drvdata(pdev, np);
1369
1370 /*
1371 * Copy some useful infos to the HCB.
1372 */
1373 np->hcb_ba = vtobus(np);
1374 np->verbose = sym_driver_setup.verbose;
1375 np->s.device = pdev;
1376 np->s.unit = unit;
1377 np->device_id = dev->chip.device_id;
1378 np->revision_id = dev->chip.revision_id;
1379 np->features = dev->chip.features;
1380 np->clock_divn = dev->chip.nr_divisor;
1381 np->maxoffs = dev->chip.offset_max;
1382 np->maxburst = dev->chip.burst_max;
1383 np->myaddr = dev->host_id;
1384
1385 /*
1386 * Edit its name.
1387 */
1388 strlcpy(np->s.chip_name, dev->chip.name, sizeof(np->s.chip_name));
1389 sprintf(np->s.inst_name, "sym%d", np->s.unit);
1390
1391 if (sym_setup_bus_dma_mask(np))
1392 goto attach_failed;
1393
1394 /*
1395 * Try to map the controller chip to
1396 * virtual and physical memory.
1397 */
1398 np->mmio_ba = (u32)dev->mmio_base;
1399 np->s.ioaddr = dev->s.ioaddr;
1400 np->s.ramaddr = dev->s.ramaddr;
1401 np->s.io_ws = (np->features & FE_IO256) ? 256 : 128;
1402
1403 /*
1404 * Map on-chip RAM if present and supported.
1405 */
1406 if (!(np->features & FE_RAM))
1407 dev->ram_base = 0;
1408 if (dev->ram_base) {
1409 np->ram_ba = (u32)dev->ram_base;
1410 np->ram_ws = (np->features & FE_RAM8K) ? 8192 : 4096;
1411 }
1412
1413 if (sym_hcb_attach(instance, fw, dev->nvram))
1414 goto attach_failed;
1415
1416 /*
1417 * Install the interrupt handler.
1418 * If we synchonize the C code with SCRIPTS on interrupt,
1419 * we do not want to share the INTR line at all.
1420 */
1d6f359a 1421 if (request_irq(pdev->irq, sym53c8xx_intr, IRQF_SHARED, NAME53C8XX, np)) {
1da177e4
LT		 1422 printf_err("%s: request irq %d failure\n",
1423 sym_name(np), pdev->irq);
1424 goto attach_failed;
1425 }
1da177e4
LT		 1426
1427 /*
1428 * After SCSI devices have been opened, we cannot
1429 * reset the bus safely, so we do it here.
1430 */
1431 spin_lock_irqsave(instance->host_lock, flags);
1432 if (sym_reset_scsi_bus(np, 0))
1433 goto reset_failed;
1434
1435 /*
1436 * Start the SCRIPTS.
1437 */
1438 sym_start_up (np, 1);
1439
1440 /*
1441 * Start the timer daemon
1442 */
1443 init_timer(&np->s.timer);
1444 np->s.timer.data = (unsigned long) np;
1445 np->s.timer.function = sym53c8xx_timer;
1446 np->s.lasttime=0;
1447 sym_timer (np);
1448
1449 /*
1450 * Fill Linux host instance structure
1451 * and return success.
1452 */
1453 instance->max_channel = 0;
1454 instance->this_id = np->myaddr;
1455 instance->max_id = np->maxwide ? 16 : 8;
1456 instance->max_lun = SYM_CONF_MAX_LUN;
1457 instance->unique_id = pci_resource_start(pdev, 0);
1458 instance->cmd_per_lun = SYM_CONF_MAX_TAG;
1459 instance->can_queue = (SYM_CONF_MAX_START-2);
1460 instance->sg_tablesize = SYM_CONF_MAX_SG;
1461 instance->max_cmd_len = 16;
1462 BUG_ON(sym2_transport_template == NULL);
1463 instance->transportt = sym2_transport_template;
1464
34996acc
KM		 1465 /* 53c896 rev 1 errata: DMA may not cross 16MB boundary */
1466 if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && np->revision_id < 2)
1467 instance->dma_boundary = 0xFFFFFF;
1468
1da177e4
LT		 1469 spin_unlock_irqrestore(instance->host_lock, flags);
1470
1471 return instance;
1472
1473 reset_failed:
1474 printf_err("%s: FATAL ERROR: CHECK SCSI BUS - CABLES, "
1475 "TERMINATION, DEVICE POWER etc.!\n", sym_name(np));
1476 spin_unlock_irqrestore(instance->host_lock, flags);
1477 attach_failed:
1478 if (!instance)
1479 return NULL;
1480 printf_info("%s: giving up ...\n", sym_name(np));
1481 if (np)
1482 sym_free_resources(np, pdev);
1483 scsi_host_put(instance);
1484
1485 return NULL;
1486 }
1487
1488
1489/*
1490 * Detect and try to read SYMBIOS and TEKRAM NVRAM.
1491 */
1492#if SYM_CONF_NVRAM_SUPPORT
1493static void __devinit sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
1494{
1495 devp->nvram = nvp;
1496 devp->device_id = devp->chip.device_id;
1497 nvp->type = 0;
1498
1499 sym_read_nvram(devp, nvp);
1500}
1501#else
1502static inline void sym_get_nvram(struct sym_device *devp, struct sym_nvram *nvp)
1503{
1504}
1505#endif /* SYM_CONF_NVRAM_SUPPORT */
1506
1507static int __devinit sym_check_supported(struct sym_device *device)
1508{
1509 struct sym_chip *chip;
1510 struct pci_dev *pdev = device->pdev;
1511 u_char revision;
1512 unsigned long io_port = pci_resource_start(pdev, 0);
1513 int i;
1514
1515 /*
1516 * If user excluded this chip, do not initialize it.
1517 * I hate this code so much. Must kill it.
1518 */
1519 if (io_port) {
1520 for (i = 0 ; i < 8 ; i++) {
1521 if (sym_driver_setup.excludes[i] == io_port)
1522 return -ENODEV;
1523 }
1524 }
1525
1526 /*
1527 * Check if the chip is supported. Then copy the chip description
1528 * to our device structure so we can make it match the actual device
1529 * and options.
1530 */
1531 pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
1532 chip = sym_lookup_chip_table(pdev->device, revision);
1533 if (!chip) {
1534 dev_info(&pdev->dev, "device not supported\n");
1535 return -ENODEV;
1536 }
1537 memcpy(&device->chip, chip, sizeof(device->chip));
1538 device->chip.revision_id = revision;
1539
1540 return 0;
1541}
1542
1543/*
1544 * Ignore Symbios chips controlled by various RAID controllers.
1545 * These controllers set value 0x52414944 at RAM end - 16.
1546 */
1547static int __devinit sym_check_raid(struct sym_device *device)
1548{
1549 unsigned int ram_size, ram_val;
1550
1551 if (!device->s.ramaddr)
1552 return 0;
1553
1554 if (device->chip.features & FE_RAM8K)
1555 ram_size = 8192;
1556 else
1557 ram_size = 4096;
1558
1559 ram_val = readl(device->s.ramaddr + ram_size - 16);
1560 if (ram_val != 0x52414944)
1561 return 0;
1562
1563 dev_info(&device->pdev->dev,
1564 "not initializing, driven by RAID controller.\n");
1565 return -ENODEV;
1566}
1567
1568static int __devinit sym_set_workarounds(struct sym_device *device)
1569{
1570 struct sym_chip *chip = &device->chip;
1571 struct pci_dev *pdev = device->pdev;
1572 u_short status_reg;
1573
1574 /*
1575 * (ITEM 12 of a DEL about the 896 I haven't yet).
1576 * We must ensure the chip will use WRITE AND INVALIDATE.
1577 * The revision number limit is for now arbitrary.
1578 */
1579 if (pdev->device == PCI_DEVICE_ID_NCR_53C896 && chip->revision_id < 0x4) {
1580 chip->features |= (FE_WRIE | FE_CLSE);
1581 }
1582
1583 /* If the chip can do Memory Write Invalidate, enable it */
1584 if (chip->features & FE_WRIE) {
1585 if (pci_set_mwi(pdev))
1586 return -ENODEV;
1587 }
1588
1589 /*
1590 * Work around for errant bit in 895A. The 66Mhz
1591 * capable bit is set erroneously. Clear this bit.
1592 * (Item 1 DEL 533)
1593 *
1594 * Make sure Config space and Features agree.
1595 *
1596 * Recall: writes are not normal to status register -
1597 * write a 1 to clear and a 0 to leave unchanged.
1598 * Can only reset bits.
1599 */
1600 pci_read_config_word(pdev, PCI_STATUS, &status_reg);
1601 if (chip->features & FE_66MHZ) {
1602 if (!(status_reg & PCI_STATUS_66MHZ))
1603 chip->features &= ~FE_66MHZ;
1604 } else {
1605 if (status_reg & PCI_STATUS_66MHZ) {
1606 status_reg = PCI_STATUS_66MHZ;
1607 pci_write_config_word(pdev, PCI_STATUS, status_reg);
1608 pci_read_config_word(pdev, PCI_STATUS, &status_reg);
1609 }
1610 }
1611
1612 return 0;
1613}
1614
1615/*
1616 * Read and check the PCI configuration for any detected NCR
1617 * boards and save data for attaching after all boards have
1618 * been detected.
1619 */
1620static void __devinit
1621sym_init_device(struct pci_dev *pdev, struct sym_device *device)
1622{
b6d105d7
MW		 1623 int i = 2;
1624 struct pci_bus_region bus_addr;
1da177e4
LT		 1625
1626 device->host_id = SYM_SETUP_HOST_ID;
1627 device->pdev = pdev;
1628
b6d105d7
MW		 1629 pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[1]);
1630 device->mmio_base = bus_addr.start;
1631
1632 /*
1633 * If the BAR is 64-bit, resource 2 will be occupied by the
1634 * upper 32 bits
1635 */
1636 if (!pdev->resource[i].flags)
1637 i++;
1638 pcibios_resource_to_bus(pdev, &bus_addr, &pdev->resource[i]);
1639 device->ram_base = bus_addr.start;
1da177e4 1640
1f61d824 1641#ifdef CONFIG_SCSI_SYM53C8XX_MMIO
1da177e4
LT		 1642 if (device->mmio_base)
1643 device->s.ioaddr = pci_iomap(pdev, 1,
1644 pci_resource_len(pdev, 1));
1645#endif
1646 if (!device->s.ioaddr)
1647 device->s.ioaddr = pci_iomap(pdev, 0,
1648 pci_resource_len(pdev, 0));
1649 if (device->ram_base)
1650 device->s.ramaddr = pci_iomap(pdev, i,
1651 pci_resource_len(pdev, i));
1652}
1653
1654/*
1655 * The NCR PQS and PDS cards are constructed as a DEC bridge
1656 * behind which sits a proprietary NCR memory controller and
1657 * either four or two 53c875s as separate devices. We can tell
1658 * if an 875 is part of a PQS/PDS or not since if it is, it will
1659 * be on the same bus as the memory controller. In its usual
1660 * mode of operation, the 875s are slaved to the memory
1661 * controller for all transfers. To operate with the Linux
1662 * driver, the memory controller is disabled and the 875s
1663 * freed to function independently. The only wrinkle is that
1664 * the preset SCSI ID (which may be zero) must be read in from
1665 * a special configuration space register of the 875.
1666 */
1667static void sym_config_pqs(struct pci_dev *pdev, struct sym_device *sym_dev)
1668{
1669 int slot;
1670 u8 tmp;
1671
1672 for (slot = 0; slot < 256; slot++) {
1673 struct pci_dev *memc = pci_get_slot(pdev->bus, slot);
1674
1675 if (!memc || memc->vendor != 0x101a || memc->device == 0x0009) {
1676 pci_dev_put(memc);
1677 continue;
1678 }
1679
1680 /* bit 1: allow individual 875 configuration */
1681 pci_read_config_byte(memc, 0x44, &tmp);
1682 if ((tmp & 0x2) == 0) {
1683 tmp |= 0x2;
1684 pci_write_config_byte(memc, 0x44, tmp);
1685 }
1686
1687 /* bit 2: drive individual 875 interrupts to the bus */
1688 pci_read_config_byte(memc, 0x45, &tmp);
1689 if ((tmp & 0x4) == 0) {
1690 tmp |= 0x4;
1691 pci_write_config_byte(memc, 0x45, tmp);
1692 }
1693
1694 pci_dev_put(memc);
1695 break;
1696 }
1697
1698 pci_read_config_byte(pdev, 0x84, &tmp);
1699 sym_dev->host_id = tmp;
1700}
1701
1702/*
1703 * Called before unloading the module.
1704 * Detach the host.
1705 * We have to free resources and halt the NCR chip.
1706 */
1707static int sym_detach(struct sym_hcb *np, struct pci_dev *pdev)
1708{
1709 printk("%s: detaching ...\n", sym_name(np));
1710
1711 del_timer_sync(&np->s.timer);
1712
1713 /*
1714 * Reset NCR chip.
1715 * We should use sym_soft_reset(), but we don't want to do
1716 * so, since we may not be safe if interrupts occur.
1717 */
1718 printk("%s: resetting chip\n", sym_name(np));
1719 OUTB(np, nc_istat, SRST);
53222b90 1720 INB(np, nc_mbox1);
1da177e4
LT		 1721 udelay(10);
1722 OUTB(np, nc_istat, 0);
1723
1724 sym_free_resources(np, pdev);
1725
1726 return 1;
1727}
1728
1729/*
1730 * Driver host template.
1731 */
1732static struct scsi_host_template sym2_template = {
1733 .module = THIS_MODULE,
1734 .name = "sym53c8xx",
1735 .info = sym53c8xx_info,
1736 .queuecommand = sym53c8xx_queue_command,
1737 .slave_alloc = sym53c8xx_slave_alloc,
1738 .slave_configure = sym53c8xx_slave_configure,
84e203a2 1739 .slave_destroy = sym53c8xx_slave_destroy,
1da177e4
LT		 1740 .eh_abort_handler = sym53c8xx_eh_abort_handler,
1741 .eh_device_reset_handler = sym53c8xx_eh_device_reset_handler,
1742 .eh_bus_reset_handler = sym53c8xx_eh_bus_reset_handler,
1743 .eh_host_reset_handler = sym53c8xx_eh_host_reset_handler,
1744 .this_id = 7,
14ac8bf5 1745 .use_clustering = ENABLE_CLUSTERING,
9cb83c75 1746 .use_sg_chaining = ENABLE_SG_CHAINING,
14ac8bf5 1747 .max_sectors = 0xFFFF,
1da177e4
LT		 1748#ifdef SYM_LINUX_PROC_INFO_SUPPORT
1749 .proc_info = sym53c8xx_proc_info,
1750 .proc_name = NAME53C8XX,
1751#endif
1752};
1753
1754static int attach_count;
1755
1756static int __devinit sym2_probe(struct pci_dev *pdev,
1757 const struct pci_device_id *ent)
1758{
1759 struct sym_device sym_dev;
1760 struct sym_nvram nvram;
1761 struct Scsi_Host *instance;
1762
1763 memset(&sym_dev, 0, sizeof(sym_dev));
1764 memset(&nvram, 0, sizeof(nvram));
1765
1766 if (pci_enable_device(pdev))
1767 goto leave;
1768
1769 pci_set_master(pdev);
1770
1771 if (pci_request_regions(pdev, NAME53C8XX))
1772 goto disable;
1773
1774 sym_init_device(pdev, &sym_dev);
1775 if (sym_check_supported(&sym_dev))
1776 goto free;
1777
1778 if (sym_check_raid(&sym_dev))
1779 goto leave; /* Don't disable the device */
1780
1781 if (sym_set_workarounds(&sym_dev))
1782 goto free;
1783
1784 sym_config_pqs(pdev, &sym_dev);
1785
1786 sym_get_nvram(&sym_dev, &nvram);
1787
1788 instance = sym_attach(&sym2_template, attach_count, &sym_dev);
1789 if (!instance)
1790 goto free;
1791
1792 if (scsi_add_host(instance, &pdev->dev))
1793 goto detach;
1794 scsi_scan_host(instance);
1795
1796 attach_count++;
1797
1798 return 0;
1799
1800 detach:
1801 sym_detach(pci_get_drvdata(pdev), pdev);
1802 free:
1803 pci_release_regions(pdev);
1804 disable:
1805 pci_disable_device(pdev);
1806 leave:
1807 return -ENODEV;
1808}
1809
1810static void __devexit sym2_remove(struct pci_dev *pdev)
1811{
1812 struct sym_hcb *np = pci_get_drvdata(pdev);
1813 struct Scsi_Host *host = np->s.host;
1814
1815 scsi_remove_host(host);
1816 scsi_host_put(host);
1817
1818 sym_detach(np, pdev);
1819
1820 pci_release_regions(pdev);
1821 pci_disable_device(pdev);
1822
1823 attach_count--;
1824}
1825
1826static void sym2_get_signalling(struct Scsi_Host *shost)
1827{
1828 struct sym_hcb *np = sym_get_hcb(shost);
1829 enum spi_signal_type type;
1830
1831 switch (np->scsi_mode) {
1832 case SMODE_SE:
1833 type = SPI_SIGNAL_SE;
1834 break;
1835 case SMODE_LVD:
1836 type = SPI_SIGNAL_LVD;
1837 break;
1838 case SMODE_HVD:
1839 type = SPI_SIGNAL_HVD;
1840 break;
1841 default:
1842 type = SPI_SIGNAL_UNKNOWN;
1843 break;
1844 }
1845 spi_signalling(shost) = type;
1846}
1847
1848static void sym2_set_offset(struct scsi_target *starget, int offset)
1849{
1850 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1851 struct sym_hcb *np = sym_get_hcb(shost);
1852 struct sym_tcb *tp = &np->target[starget->id];
1853
1854 tp->tgoal.offset = offset;
1855 tp->tgoal.check_nego = 1;
1856}
1857
1858static void sym2_set_period(struct scsi_target *starget, int period)
1859{
1860 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1861 struct sym_hcb *np = sym_get_hcb(shost);
1862 struct sym_tcb *tp = &np->target[starget->id];
1863
e4862fed
JB		 1864 /* have to have DT for these transfers, but DT will also
1865 * set width, so check that this is allowed */
1866 if (period <= np->minsync && spi_width(starget))
1da177e4
LT		 1867 tp->tgoal.dt = 1;
1868
1869 tp->tgoal.period = period;
1870 tp->tgoal.check_nego = 1;
1871}
1872
1873static void sym2_set_width(struct scsi_target *starget, int width)
1874{
1875 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1876 struct sym_hcb *np = sym_get_hcb(shost);
1877 struct sym_tcb *tp = &np->target[starget->id];
1878
1879 /* It is illegal to have DT set on narrow transfers. If DT is
1880 * clear, we must also clear IU and QAS. */
1881 if (width == 0)
1882 tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0;
1883
1884 tp->tgoal.width = width;
1885 tp->tgoal.check_nego = 1;
1886}
1887
1888static void sym2_set_dt(struct scsi_target *starget, int dt)
1889{
1890 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1891 struct sym_hcb *np = sym_get_hcb(shost);
1892 struct sym_tcb *tp = &np->target[starget->id];
1893
1894 /* We must clear QAS and IU if DT is clear */
1895 if (dt)
1896 tp->tgoal.dt = 1;
1897 else
1898 tp->tgoal.iu = tp->tgoal.dt = tp->tgoal.qas = 0;
1899 tp->tgoal.check_nego = 1;
1900}
1901
8b2f8138 1902#if 0
1da177e4
LT		 1903static void sym2_set_iu(struct scsi_target *starget, int iu)
1904{
1905 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1906 struct sym_hcb *np = sym_get_hcb(shost);
1907 struct sym_tcb *tp = &np->target[starget->id];
1908
1909 if (iu)
1910 tp->tgoal.iu = tp->tgoal.dt = 1;
1911 else
1912 tp->tgoal.iu = 0;
1913 tp->tgoal.check_nego = 1;
1914}
1915
1916static void sym2_set_qas(struct scsi_target *starget, int qas)
1917{
1918 struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
1919 struct sym_hcb *np = sym_get_hcb(shost);
1920 struct sym_tcb *tp = &np->target[starget->id];
1921
1922 if (qas)
1923 tp->tgoal.dt = tp->tgoal.qas = 1;
1924 else
1925 tp->tgoal.qas = 0;
1926 tp->tgoal.check_nego = 1;
1927}
8b2f8138 1928#endif
1da177e4
LT		 1929
1930static struct spi_function_template sym2_transport_functions = {
1931 .set_offset = sym2_set_offset,
1932 .show_offset = 1,
1933 .set_period = sym2_set_period,
1934 .show_period = 1,
1935 .set_width = sym2_set_width,
1936 .show_width = 1,
1937 .set_dt = sym2_set_dt,
1938 .show_dt = 1,
8b2f8138 1939#if 0
1da177e4
LT		 1940 .set_iu = sym2_set_iu,
1941 .show_iu = 1,
1942 .set_qas = sym2_set_qas,
1943 .show_qas = 1,
8b2f8138 1944#endif
1da177e4
LT		 1945 .get_signalling = sym2_get_signalling,
1946};
1947
1948static struct pci_device_id sym2_id_table[] __devinitdata = {
1949 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C810,
1950 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1951 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C820,
1952 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, /* new */
1953 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C825,
1954 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1955 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C815,
1956 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1957 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C810AP,
1958 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, /* new */
1959 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C860,
1960 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1961 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1510,
b2b3c121 1962 PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SCSI<<8, 0xffff00, 0UL },
1da177e4
LT		 1963 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C896,
1964 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1965 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C895,
1966 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1967 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C885,
1968 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1969 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C875,
1970 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1971 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C1510,
147e505e 1972 PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SCSI<<8, 0xffff00, 0UL }, /* new */
1da177e4
LT		 1973 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C895A,
1974 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1975 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C875A,
1976 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1977 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1010_33,
1978 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1979 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_LSI_53C1010_66,
1980 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1981 { PCI_VENDOR_ID_LSI_LOGIC, PCI_DEVICE_ID_NCR_53C875J,
1982 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL },
1983 { 0, }
1984};
1985
1986MODULE_DEVICE_TABLE(pci, sym2_id_table);
1987
1988static struct pci_driver sym2_driver = {
1989 .name = NAME53C8XX,
1990 .id_table = sym2_id_table,
1991 .probe = sym2_probe,
1992 .remove = __devexit_p(sym2_remove),
1993};
1994
1995static int __init sym2_init(void)
1996{
1997 int error;
1998
1999 sym2_setup_params();
2000 sym2_transport_template = spi_attach_transport(&sym2_transport_functions);
2001 if (!sym2_transport_template)
2002 return -ENODEV;
2003
2004 error = pci_register_driver(&sym2_driver);
2005 if (error)
2006 spi_release_transport(sym2_transport_template);
2007 return error;
2008}
2009
2010static void __exit sym2_exit(void)
2011{
2012 pci_unregister_driver(&sym2_driver);
2013 spi_release_transport(sym2_transport_template);
2014}
2015
2016module_init(sym2_init);
2017module_exit(sym2_exit);
Linux kernel - Deliverables
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