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