1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Adaptec AAC series RAID controller driver
4 * (c) Copyright 2001 Red Hat Inc.
5 *
6 * based on the old aacraid driver that is..
7 * Adaptec aacraid device driver for Linux.
8 *
9 * Copyright (c) 2000-2010 Adaptec, Inc.
10 * 2010-2015 PMC-Sierra, Inc. (aacraid@pmc-sierra.com)
11 * 2016-2017 Microsemi Corp. (aacraid@microsemi.com)
12 *
13 * Module Name:
14 * rx.c
15 *
16 * Abstract: Hardware miniport for Drawbridge specific hardware functions.
17 */
18
19 #include <linux/kernel.h>
20 #include <linux/hex.h>
21 #include <linux/init.h>
22 #include <linux/types.h>
23 #include <linux/pci.h>
24 #include <linux/spinlock.h>
25 #include <linux/blkdev.h>
26 #include <linux/delay.h>
27 #include <linux/completion.h>
28 #include <linux/time.h>
29 #include <linux/interrupt.h>
30
31 #include <scsi/scsi_host.h>
32
33 #include "aacraid.h"
34
aac_rx_intr_producer(int irq,void * dev_id)35 static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
36 {
37 struct aac_dev *dev = dev_id;
38 unsigned long bellbits;
39 u8 intstat = rx_readb(dev, MUnit.OISR);
40
41 /*
42 * Read mask and invert because drawbridge is reversed.
43 * This allows us to only service interrupts that have
44 * been enabled.
45 * Check to see if this is our interrupt. If it isn't just return
46 */
47 if (likely(intstat & ~(dev->OIMR))) {
48 bellbits = rx_readl(dev, OutboundDoorbellReg);
49 if (unlikely(bellbits & DoorBellPrintfReady)) {
50 aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
51 rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
52 rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
53 }
54 else if (unlikely(bellbits & DoorBellAdapterNormCmdReady)) {
55 rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
56 aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
57 }
58 else if (likely(bellbits & DoorBellAdapterNormRespReady)) {
59 rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
60 aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
61 }
62 else if (unlikely(bellbits & DoorBellAdapterNormCmdNotFull)) {
63 rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
64 }
65 else if (unlikely(bellbits & DoorBellAdapterNormRespNotFull)) {
66 rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
67 rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
68 }
69 return IRQ_HANDLED;
70 }
71 return IRQ_NONE;
72 }
73
aac_rx_intr_message(int irq,void * dev_id)74 static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
75 {
76 int isAif, isFastResponse, isSpecial;
77 struct aac_dev *dev = dev_id;
78 u32 Index = rx_readl(dev, MUnit.OutboundQueue);
79 if (unlikely(Index == 0xFFFFFFFFL))
80 Index = rx_readl(dev, MUnit.OutboundQueue);
81 if (likely(Index != 0xFFFFFFFFL)) {
82 do {
83 isAif = isFastResponse = isSpecial = 0;
84 if (Index & 0x00000002L) {
85 isAif = 1;
86 if (Index == 0xFFFFFFFEL)
87 isSpecial = 1;
88 Index &= ~0x00000002L;
89 } else {
90 if (Index & 0x00000001L)
91 isFastResponse = 1;
92 Index >>= 2;
93 }
94 if (!isSpecial) {
95 if (unlikely(aac_intr_normal(dev,
96 Index, isAif,
97 isFastResponse, NULL))) {
98 rx_writel(dev,
99 MUnit.OutboundQueue,
100 Index);
101 rx_writel(dev,
102 MUnit.ODR,
103 DoorBellAdapterNormRespReady);
104 }
105 }
106 Index = rx_readl(dev, MUnit.OutboundQueue);
107 } while (Index != 0xFFFFFFFFL);
108 return IRQ_HANDLED;
109 }
110 return IRQ_NONE;
111 }
112
113 /**
114 * aac_rx_disable_interrupt - Disable interrupts
115 * @dev: Adapter
116 */
117
aac_rx_disable_interrupt(struct aac_dev * dev)118 static void aac_rx_disable_interrupt(struct aac_dev *dev)
119 {
120 rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
121 }
122
123 /**
124 * aac_rx_enable_interrupt_producer - Enable interrupts
125 * @dev: Adapter
126 */
127
aac_rx_enable_interrupt_producer(struct aac_dev * dev)128 static void aac_rx_enable_interrupt_producer(struct aac_dev *dev)
129 {
130 rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
131 }
132
133 /**
134 * aac_rx_enable_interrupt_message - Enable interrupts
135 * @dev: Adapter
136 */
137
aac_rx_enable_interrupt_message(struct aac_dev * dev)138 static void aac_rx_enable_interrupt_message(struct aac_dev *dev)
139 {
140 rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
141 }
142
143 /**
144 * rx_sync_cmd - send a command and wait
145 * @dev: Adapter
146 * @command: Command to execute
147 * @p1: first parameter
148 * @p2: second parameter
149 * @p3: third parameter
150 * @p4: forth parameter
151 * @p5: fifth parameter
152 * @p6: sixth parameter
153 * @status: adapter status
154 * @r1: first return value
155 * @r2: second return value
156 * @r3: third return value
157 * @r4: forth return value
158 *
159 * This routine will send a synchronous command to the adapter and wait
160 * for its completion.
161 */
162
rx_sync_cmd(struct aac_dev * dev,u32 command,u32 p1,u32 p2,u32 p3,u32 p4,u32 p5,u32 p6,u32 * status,u32 * r1,u32 * r2,u32 * r3,u32 * r4)163 static int rx_sync_cmd(struct aac_dev *dev, u32 command,
164 u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6,
165 u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4)
166 {
167 unsigned long start;
168 int ok;
169 /*
170 * Write the command into Mailbox 0
171 */
172 writel(command, &dev->IndexRegs->Mailbox[0]);
173 /*
174 * Write the parameters into Mailboxes 1 - 6
175 */
176 writel(p1, &dev->IndexRegs->Mailbox[1]);
177 writel(p2, &dev->IndexRegs->Mailbox[2]);
178 writel(p3, &dev->IndexRegs->Mailbox[3]);
179 writel(p4, &dev->IndexRegs->Mailbox[4]);
180 /*
181 * Clear the synch command doorbell to start on a clean slate.
182 */
183 rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
184 /*
185 * Disable doorbell interrupts
186 */
187 rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
188 /*
189 * Force the completion of the mask register write before issuing
190 * the interrupt.
191 */
192 rx_readb (dev, MUnit.OIMR);
193 /*
194 * Signal that there is a new synch command
195 */
196 rx_writel(dev, InboundDoorbellReg, INBOUNDDOORBELL_0);
197
198 ok = 0;
199 start = jiffies;
200
201 /*
202 * Wait up to 30 seconds
203 */
204 while (time_before(jiffies, start+30*HZ))
205 {
206 udelay(5); /* Delay 5 microseconds to let Mon960 get info. */
207 /*
208 * Mon960 will set doorbell0 bit when it has completed the command.
209 */
210 if (rx_readl(dev, OutboundDoorbellReg) & OUTBOUNDDOORBELL_0) {
211 /*
212 * Clear the doorbell.
213 */
214 rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
215 ok = 1;
216 break;
217 }
218 /*
219 * Yield the processor in case we are slow
220 */
221 msleep(1);
222 }
223 if (unlikely(ok != 1)) {
224 /*
225 * Restore interrupt mask even though we timed out
226 */
227 aac_adapter_enable_int(dev);
228 return -ETIMEDOUT;
229 }
230 /*
231 * Pull the synch status from Mailbox 0.
232 */
233 if (status)
234 *status = readl(&dev->IndexRegs->Mailbox[0]);
235 if (r1)
236 *r1 = readl(&dev->IndexRegs->Mailbox[1]);
237 if (r2)
238 *r2 = readl(&dev->IndexRegs->Mailbox[2]);
239 if (r3)
240 *r3 = readl(&dev->IndexRegs->Mailbox[3]);
241 if (r4)
242 *r4 = readl(&dev->IndexRegs->Mailbox[4]);
243 /*
244 * Clear the synch command doorbell.
245 */
246 rx_writel(dev, OutboundDoorbellReg, OUTBOUNDDOORBELL_0);
247 /*
248 * Restore interrupt mask
249 */
250 aac_adapter_enable_int(dev);
251 return 0;
252
253 }
254
255 /**
256 * aac_rx_interrupt_adapter - interrupt adapter
257 * @dev: Adapter
258 *
259 * Send an interrupt to the i960 and breakpoint it.
260 */
261
aac_rx_interrupt_adapter(struct aac_dev * dev)262 static void aac_rx_interrupt_adapter(struct aac_dev *dev)
263 {
264 rx_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
265 }
266
267 /**
268 * aac_rx_notify_adapter - send an event to the adapter
269 * @dev: Adapter
270 * @event: Event to send
271 *
272 * Notify the i960 that something it probably cares about has
273 * happened.
274 */
275
aac_rx_notify_adapter(struct aac_dev * dev,u32 event)276 static void aac_rx_notify_adapter(struct aac_dev *dev, u32 event)
277 {
278 switch (event) {
279
280 case AdapNormCmdQue:
281 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_1);
282 break;
283 case HostNormRespNotFull:
284 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_4);
285 break;
286 case AdapNormRespQue:
287 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_2);
288 break;
289 case HostNormCmdNotFull:
290 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_3);
291 break;
292 case HostShutdown:
293 break;
294 case FastIo:
295 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_6);
296 break;
297 case AdapPrintfDone:
298 rx_writel(dev, MUnit.IDR,INBOUNDDOORBELL_5);
299 break;
300 default:
301 BUG();
302 break;
303 }
304 }
305
306 /**
307 * aac_rx_start_adapter - activate adapter
308 * @dev: Adapter
309 *
310 * Start up processing on an i960 based AAC adapter
311 */
312
aac_rx_start_adapter(struct aac_dev * dev)313 static void aac_rx_start_adapter(struct aac_dev *dev)
314 {
315 union aac_init *init;
316
317 init = dev->init;
318 init->r7.host_elapsed_seconds = cpu_to_le32(ktime_get_real_seconds());
319 // We can only use a 32 bit address here
320 rx_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa,
321 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
322 }
323
324 /**
325 * aac_rx_check_health
326 * @dev: device to check if healthy
327 *
328 * Will attempt to determine if the specified adapter is alive and
329 * capable of handling requests, returning 0 if alive.
330 */
aac_rx_check_health(struct aac_dev * dev)331 static int aac_rx_check_health(struct aac_dev *dev)
332 {
333 u32 status = rx_readl(dev, MUnit.OMRx[0]);
334
335 /*
336 * Check to see if the board failed any self tests.
337 */
338 if (unlikely(status & SELF_TEST_FAILED))
339 return -1;
340 /*
341 * Check to see if the board panic'd.
342 */
343 if (unlikely(status & KERNEL_PANIC)) {
344 char * buffer;
345 struct POSTSTATUS {
346 __le32 Post_Command;
347 __le32 Post_Address;
348 } * post;
349 dma_addr_t paddr, baddr;
350 int ret;
351
352 if (likely((status & 0xFF000000L) == 0xBC000000L))
353 return (status >> 16) & 0xFF;
354 buffer = dma_alloc_coherent(&dev->pdev->dev, 512, &baddr,
355 GFP_KERNEL);
356 ret = -2;
357 if (unlikely(buffer == NULL))
358 return ret;
359 post = dma_alloc_coherent(&dev->pdev->dev,
360 sizeof(struct POSTSTATUS), &paddr,
361 GFP_KERNEL);
362 if (unlikely(post == NULL)) {
363 dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr);
364 return ret;
365 }
366 memset(buffer, 0, 512);
367 post->Post_Command = cpu_to_le32(COMMAND_POST_RESULTS);
368 post->Post_Address = cpu_to_le32(baddr);
369 rx_writel(dev, MUnit.IMRx[0], paddr);
370 rx_sync_cmd(dev, COMMAND_POST_RESULTS, baddr, 0, 0, 0, 0, 0,
371 NULL, NULL, NULL, NULL, NULL);
372 dma_free_coherent(&dev->pdev->dev, sizeof(struct POSTSTATUS),
373 post, paddr);
374 if (likely((buffer[0] == '0') && ((buffer[1] == 'x') || (buffer[1] == 'X')))) {
375 ret = (hex_to_bin(buffer[2]) << 4) +
376 hex_to_bin(buffer[3]);
377 }
378 dma_free_coherent(&dev->pdev->dev, 512, buffer, baddr);
379 return ret;
380 }
381 /*
382 * Wait for the adapter to be up and running.
383 */
384 if (unlikely(!(status & KERNEL_UP_AND_RUNNING)))
385 return -3;
386 /*
387 * Everything is OK
388 */
389 return 0;
390 }
391
392 /**
393 * aac_rx_deliver_producer
394 * @fib: fib to issue
395 *
396 * Will send a fib, returning 0 if successful.
397 */
aac_rx_deliver_producer(struct fib * fib)398 int aac_rx_deliver_producer(struct fib * fib)
399 {
400 struct aac_dev *dev = fib->dev;
401 struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
402 u32 Index;
403 unsigned long nointr = 0;
404
405 aac_queue_get( dev, &Index, AdapNormCmdQueue, fib->hw_fib_va, 1, fib, &nointr);
406
407 atomic_inc(&q->numpending);
408 *(q->headers.producer) = cpu_to_le32(Index + 1);
409 if (!(nointr & aac_config.irq_mod))
410 aac_adapter_notify(dev, AdapNormCmdQueue);
411
412 return 0;
413 }
414
415 /**
416 * aac_rx_deliver_message
417 * @fib: fib to issue
418 *
419 * Will send a fib, returning 0 if successful.
420 */
aac_rx_deliver_message(struct fib * fib)421 static int aac_rx_deliver_message(struct fib * fib)
422 {
423 struct aac_dev *dev = fib->dev;
424 struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
425 u32 Index;
426 u64 addr;
427 volatile void __iomem *device;
428
429 unsigned long count = 10000000L; /* 50 seconds */
430 atomic_inc(&q->numpending);
431 for(;;) {
432 Index = rx_readl(dev, MUnit.InboundQueue);
433 if (unlikely(Index == 0xFFFFFFFFL))
434 Index = rx_readl(dev, MUnit.InboundQueue);
435 if (likely(Index != 0xFFFFFFFFL))
436 break;
437 if (--count == 0) {
438 atomic_dec(&q->numpending);
439 return -ETIMEDOUT;
440 }
441 udelay(5);
442 }
443 device = dev->base + Index;
444 addr = fib->hw_fib_pa;
445 writel((u32)(addr & 0xffffffff), device);
446 device += sizeof(u32);
447 writel((u32)(addr >> 32), device);
448 device += sizeof(u32);
449 writel(le16_to_cpu(fib->hw_fib_va->header.Size), device);
450 rx_writel(dev, MUnit.InboundQueue, Index);
451 return 0;
452 }
453
454 /**
455 * aac_rx_ioremap
456 * @dev: adapter
457 * @size: mapping resize request
458 *
459 */
aac_rx_ioremap(struct aac_dev * dev,u32 size)460 static int aac_rx_ioremap(struct aac_dev * dev, u32 size)
461 {
462 if (!size) {
463 iounmap(dev->regs.rx);
464 return 0;
465 }
466 dev->base = dev->regs.rx = ioremap(dev->base_start, size);
467 if (dev->base == NULL)
468 return -1;
469 dev->IndexRegs = &dev->regs.rx->IndexRegs;
470 return 0;
471 }
472
aac_rx_restart_adapter(struct aac_dev * dev,int bled,u8 reset_type)473 static int aac_rx_restart_adapter(struct aac_dev *dev, int bled, u8 reset_type)
474 {
475 u32 var = 0;
476
477 if (!(dev->supplement_adapter_info.supported_options2 &
478 AAC_OPTION_MU_RESET) || (bled >= 0) || (bled == -2)) {
479 if (bled)
480 printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n",
481 dev->name, dev->id, bled);
482 else {
483 bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS,
484 0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
485 if (!bled && (var != 0x00000001) && (var != 0x3803000F))
486 bled = -EINVAL;
487 }
488 if (bled && (bled != -ETIMEDOUT))
489 bled = aac_adapter_sync_cmd(dev, IOP_RESET,
490 0, 0, 0, 0, 0, 0, &var, NULL, NULL, NULL, NULL);
491
492 if (bled && (bled != -ETIMEDOUT))
493 return -EINVAL;
494 }
495 if (bled && (var == 0x3803000F)) { /* USE_OTHER_METHOD */
496 rx_writel(dev, MUnit.reserved2, 3);
497 msleep(5000); /* Delay 5 seconds */
498 var = 0x00000001;
499 }
500 if (bled && (var != 0x00000001))
501 return -EINVAL;
502 ssleep(5);
503 if (rx_readl(dev, MUnit.OMRx[0]) & KERNEL_PANIC)
504 return -ENODEV;
505 if (startup_timeout < 300)
506 startup_timeout = 300;
507 return 0;
508 }
509
510 /**
511 * aac_rx_select_comm - Select communications method
512 * @dev: Adapter
513 * @comm: communications method
514 */
515
aac_rx_select_comm(struct aac_dev * dev,int comm)516 int aac_rx_select_comm(struct aac_dev *dev, int comm)
517 {
518 switch (comm) {
519 case AAC_COMM_PRODUCER:
520 dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_producer;
521 dev->a_ops.adapter_intr = aac_rx_intr_producer;
522 dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
523 break;
524 case AAC_COMM_MESSAGE:
525 dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_message;
526 dev->a_ops.adapter_intr = aac_rx_intr_message;
527 dev->a_ops.adapter_deliver = aac_rx_deliver_message;
528 break;
529 default:
530 return 1;
531 }
532 return 0;
533 }
534
535 /**
536 * _aac_rx_init - initialize an i960 based AAC card
537 * @dev: device to configure
538 *
539 * Allocate and set up resources for the i960 based AAC variants. The
540 * device_interface in the commregion will be allocated and linked
541 * to the comm region.
542 */
543
_aac_rx_init(struct aac_dev * dev)544 int _aac_rx_init(struct aac_dev *dev)
545 {
546 unsigned long start;
547 unsigned long status;
548 int restart = 0;
549 int instance = dev->id;
550 const char * name = dev->name;
551
552 if (aac_adapter_ioremap(dev, dev->base_size)) {
553 printk(KERN_WARNING "%s: unable to map adapter.\n", name);
554 goto error_iounmap;
555 }
556
557 /* Failure to reset here is an option ... */
558 dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
559 dev->a_ops.adapter_enable_int = aac_rx_disable_interrupt;
560 dev->OIMR = status = rx_readb (dev, MUnit.OIMR);
561
562 if (((status & 0x0c) != 0x0c) || dev->init_reset) {
563 dev->init_reset = false;
564 if (!aac_rx_restart_adapter(dev, 0, IOP_HWSOFT_RESET)) {
565 /* Make sure the Hardware FIFO is empty */
566 while ((++restart < 512) &&
567 (rx_readl(dev, MUnit.OutboundQueue) != 0xFFFFFFFFL));
568 }
569 }
570
571 /*
572 * Check to see if the board panic'd while booting.
573 */
574 status = rx_readl(dev, MUnit.OMRx[0]);
575 if (status & KERNEL_PANIC) {
576 if (aac_rx_restart_adapter(dev,
577 aac_rx_check_health(dev), IOP_HWSOFT_RESET))
578 goto error_iounmap;
579 ++restart;
580 }
581 /*
582 * Check to see if the board failed any self tests.
583 */
584 status = rx_readl(dev, MUnit.OMRx[0]);
585 if (status & SELF_TEST_FAILED) {
586 printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance);
587 goto error_iounmap;
588 }
589 /*
590 * Check to see if the monitor panic'd while booting.
591 */
592 if (status & MONITOR_PANIC) {
593 printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance);
594 goto error_iounmap;
595 }
596 start = jiffies;
597 /*
598 * Wait for the adapter to be up and running. Wait up to 3 minutes
599 */
600 while (!((status = rx_readl(dev, MUnit.OMRx[0])) & KERNEL_UP_AND_RUNNING))
601 {
602 if ((restart &&
603 (status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) ||
604 time_after(jiffies, start+HZ*startup_timeout)) {
605 printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n",
606 dev->name, instance, status);
607 goto error_iounmap;
608 }
609 if (!restart &&
610 ((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) ||
611 time_after(jiffies, start + HZ *
612 ((startup_timeout > 60)
613 ? (startup_timeout - 60)
614 : (startup_timeout / 2))))) {
615 if (likely(!aac_rx_restart_adapter(dev,
616 aac_rx_check_health(dev), IOP_HWSOFT_RESET)))
617 start = jiffies;
618 ++restart;
619 }
620 msleep(1);
621 }
622 if (restart && aac_commit)
623 aac_commit = 1;
624 /*
625 * Fill in the common function dispatch table.
626 */
627 dev->a_ops.adapter_interrupt = aac_rx_interrupt_adapter;
628 dev->a_ops.adapter_disable_int = aac_rx_disable_interrupt;
629 dev->a_ops.adapter_notify = aac_rx_notify_adapter;
630 dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
631 dev->a_ops.adapter_check_health = aac_rx_check_health;
632 dev->a_ops.adapter_restart = aac_rx_restart_adapter;
633 dev->a_ops.adapter_start = aac_rx_start_adapter;
634
635 /*
636 * First clear out all interrupts. Then enable the one's that we
637 * can handle.
638 */
639 aac_adapter_comm(dev, AAC_COMM_PRODUCER);
640 aac_adapter_disable_int(dev);
641 rx_writel(dev, MUnit.ODR, 0xffffffff);
642 aac_adapter_enable_int(dev);
643
644 if (aac_init_adapter(dev) == NULL)
645 goto error_iounmap;
646 aac_adapter_comm(dev, dev->comm_interface);
647 dev->sync_mode = 0; /* sync. mode not supported */
648 dev->msi = aac_msi && !pci_enable_msi(dev->pdev);
649 if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr,
650 IRQF_SHARED, "aacraid", dev) < 0) {
651 if (dev->msi)
652 pci_disable_msi(dev->pdev);
653 printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
654 name, instance);
655 goto error_iounmap;
656 }
657 dev->dbg_base = dev->base_start;
658 dev->dbg_base_mapped = dev->base;
659 dev->dbg_size = dev->base_size;
660
661 aac_adapter_enable_int(dev);
662 /*
663 * Tell the adapter that all is configured, and it can
664 * start accepting requests
665 */
666 aac_rx_start_adapter(dev);
667
668 return 0;
669
670 error_iounmap:
671
672 return -1;
673 }
674
aac_rx_init(struct aac_dev * dev)675 int aac_rx_init(struct aac_dev *dev)
676 {
677 /*
678 * Fill in the function dispatch table.
679 */
680 dev->a_ops.adapter_ioremap = aac_rx_ioremap;
681 dev->a_ops.adapter_comm = aac_rx_select_comm;
682
683 return _aac_rx_init(dev);
684 }
685