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e8b12f0f MR |
1 | /* |
2 | * Adaptec AAC series RAID controller driver | |
3 | * (c) Copyright 2001 Red Hat Inc. | |
4 | * | |
5 | * based on the old aacraid driver that is.. | |
6 | * Adaptec aacraid device driver for Linux. | |
7 | * | |
8 | * Copyright (c) 2000-2010 Adaptec, Inc. | |
9 | * 2010 PMC-Sierra, Inc. (aacraid@pmc-sierra.com) | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2, or (at your option) | |
14 | * any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; see the file COPYING. If not, write to | |
23 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | * | |
25 | * Module Name: | |
26 | * src.c | |
27 | * | |
28 | * Abstract: Hardware Device Interface for PMC SRC based controllers | |
29 | * | |
30 | */ | |
31 | ||
32 | #include <linux/kernel.h> | |
33 | #include <linux/init.h> | |
34 | #include <linux/types.h> | |
35 | #include <linux/pci.h> | |
36 | #include <linux/spinlock.h> | |
37 | #include <linux/slab.h> | |
38 | #include <linux/blkdev.h> | |
39 | #include <linux/delay.h> | |
e8b12f0f MR |
40 | #include <linux/completion.h> |
41 | #include <linux/time.h> | |
42 | #include <linux/interrupt.h> | |
43 | #include <scsi/scsi_host.h> | |
44 | ||
45 | #include "aacraid.h" | |
46 | ||
47 | static irqreturn_t aac_src_intr_message(int irq, void *dev_id) | |
48 | { | |
49 | struct aac_dev *dev = dev_id; | |
50 | unsigned long bellbits, bellbits_shifted; | |
51 | int our_interrupt = 0; | |
52 | int isFastResponse; | |
53 | u32 index, handle; | |
54 | ||
55 | bellbits = src_readl(dev, MUnit.ODR_R); | |
56 | if (bellbits & PmDoorBellResponseSent) { | |
57 | bellbits = PmDoorBellResponseSent; | |
58 | /* handle async. status */ | |
85d22bbf MR |
59 | src_writel(dev, MUnit.ODR_C, bellbits); |
60 | src_readl(dev, MUnit.ODR_C); | |
e8b12f0f MR |
61 | our_interrupt = 1; |
62 | index = dev->host_rrq_idx; | |
e8b12f0f MR |
63 | for (;;) { |
64 | isFastResponse = 0; | |
65 | /* remove toggle bit (31) */ | |
b5f1758f | 66 | handle = le32_to_cpu(dev->host_rrq[index]) & 0x7fffffff; |
e8b12f0f MR |
67 | /* check fast response bit (30) */ |
68 | if (handle & 0x40000000) | |
69 | isFastResponse = 1; | |
70 | handle &= 0x0000ffff; | |
71 | if (handle == 0) | |
72 | break; | |
73 | ||
74 | aac_intr_normal(dev, handle-1, 0, isFastResponse, NULL); | |
75 | ||
76 | dev->host_rrq[index++] = 0; | |
77 | if (index == dev->scsi_host_ptr->can_queue + | |
78 | AAC_NUM_MGT_FIB) | |
79 | index = 0; | |
80 | dev->host_rrq_idx = index; | |
81 | } | |
82 | } else { | |
83 | bellbits_shifted = (bellbits >> SRC_ODR_SHIFT); | |
84 | if (bellbits_shifted & DoorBellAifPending) { | |
85d22bbf MR |
85 | src_writel(dev, MUnit.ODR_C, bellbits); |
86 | src_readl(dev, MUnit.ODR_C); | |
e8b12f0f MR |
87 | our_interrupt = 1; |
88 | /* handle AIF */ | |
89 | aac_intr_normal(dev, 0, 2, 0, NULL); | |
11604612 MR |
90 | } else if (bellbits_shifted & OUTBOUNDDOORBELL_0) { |
91 | unsigned long sflags; | |
92 | struct list_head *entry; | |
93 | int send_it = 0; | |
85d22bbf MR |
94 | extern int aac_sync_mode; |
95 | ||
c5bebd82 MR |
96 | src_writel(dev, MUnit.ODR_C, bellbits); |
97 | src_readl(dev, MUnit.ODR_C); | |
98 | ||
85d22bbf MR |
99 | if (!aac_sync_mode) { |
100 | src_writel(dev, MUnit.ODR_C, bellbits); | |
101 | src_readl(dev, MUnit.ODR_C); | |
102 | our_interrupt = 1; | |
103 | } | |
11604612 MR |
104 | |
105 | if (dev->sync_fib) { | |
106 | our_interrupt = 1; | |
107 | if (dev->sync_fib->callback) | |
108 | dev->sync_fib->callback(dev->sync_fib->callback_data, | |
109 | dev->sync_fib); | |
110 | spin_lock_irqsave(&dev->sync_fib->event_lock, sflags); | |
111 | if (dev->sync_fib->flags & FIB_CONTEXT_FLAG_WAIT) { | |
112 | dev->management_fib_count--; | |
113 | up(&dev->sync_fib->event_wait); | |
114 | } | |
115 | spin_unlock_irqrestore(&dev->sync_fib->event_lock, sflags); | |
116 | spin_lock_irqsave(&dev->sync_lock, sflags); | |
117 | if (!list_empty(&dev->sync_fib_list)) { | |
118 | entry = dev->sync_fib_list.next; | |
119 | dev->sync_fib = list_entry(entry, struct fib, fiblink); | |
120 | list_del(entry); | |
121 | send_it = 1; | |
122 | } else { | |
123 | dev->sync_fib = NULL; | |
124 | } | |
125 | spin_unlock_irqrestore(&dev->sync_lock, sflags); | |
126 | if (send_it) { | |
127 | aac_adapter_sync_cmd(dev, SEND_SYNCHRONOUS_FIB, | |
128 | (u32)dev->sync_fib->hw_fib_pa, 0, 0, 0, 0, 0, | |
129 | NULL, NULL, NULL, NULL, NULL); | |
130 | } | |
131 | } | |
e8b12f0f MR |
132 | } |
133 | } | |
134 | ||
135 | if (our_interrupt) { | |
e8b12f0f MR |
136 | return IRQ_HANDLED; |
137 | } | |
138 | return IRQ_NONE; | |
139 | } | |
140 | ||
141 | /** | |
142 | * aac_src_disable_interrupt - Disable interrupts | |
143 | * @dev: Adapter | |
144 | */ | |
145 | ||
146 | static void aac_src_disable_interrupt(struct aac_dev *dev) | |
147 | { | |
148 | src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff); | |
149 | } | |
150 | ||
151 | /** | |
152 | * aac_src_enable_interrupt_message - Enable interrupts | |
153 | * @dev: Adapter | |
154 | */ | |
155 | ||
156 | static void aac_src_enable_interrupt_message(struct aac_dev *dev) | |
157 | { | |
158 | src_writel(dev, MUnit.OIMR, dev->OIMR = 0xfffffff8); | |
159 | } | |
160 | ||
161 | /** | |
162 | * src_sync_cmd - send a command and wait | |
163 | * @dev: Adapter | |
164 | * @command: Command to execute | |
165 | * @p1: first parameter | |
166 | * @ret: adapter status | |
167 | * | |
168 | * This routine will send a synchronous command to the adapter and wait | |
169 | * for its completion. | |
170 | */ | |
171 | ||
172 | static int src_sync_cmd(struct aac_dev *dev, u32 command, | |
173 | u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, | |
174 | u32 *status, u32 * r1, u32 * r2, u32 * r3, u32 * r4) | |
175 | { | |
176 | unsigned long start; | |
177 | int ok; | |
178 | ||
179 | /* | |
180 | * Write the command into Mailbox 0 | |
181 | */ | |
182 | writel(command, &dev->IndexRegs->Mailbox[0]); | |
183 | /* | |
184 | * Write the parameters into Mailboxes 1 - 6 | |
185 | */ | |
186 | writel(p1, &dev->IndexRegs->Mailbox[1]); | |
187 | writel(p2, &dev->IndexRegs->Mailbox[2]); | |
188 | writel(p3, &dev->IndexRegs->Mailbox[3]); | |
189 | writel(p4, &dev->IndexRegs->Mailbox[4]); | |
190 | ||
191 | /* | |
192 | * Clear the synch command doorbell to start on a clean slate. | |
193 | */ | |
194 | src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); | |
195 | ||
196 | /* | |
197 | * Disable doorbell interrupts | |
198 | */ | |
199 | src_writel(dev, MUnit.OIMR, dev->OIMR = 0xffffffff); | |
200 | ||
201 | /* | |
202 | * Force the completion of the mask register write before issuing | |
203 | * the interrupt. | |
204 | */ | |
205 | src_readl(dev, MUnit.OIMR); | |
206 | ||
207 | /* | |
208 | * Signal that there is a new synch command | |
209 | */ | |
210 | src_writel(dev, MUnit.IDR, INBOUNDDOORBELL_0 << SRC_IDR_SHIFT); | |
211 | ||
11604612 MR |
212 | if (!dev->sync_mode || command != SEND_SYNCHRONOUS_FIB) { |
213 | ok = 0; | |
214 | start = jiffies; | |
e8b12f0f | 215 | |
11604612 MR |
216 | /* |
217 | * Wait up to 5 minutes | |
e8b12f0f | 218 | */ |
11604612 MR |
219 | while (time_before(jiffies, start+300*HZ)) { |
220 | udelay(5); /* Delay 5 microseconds to let Mon960 get info. */ | |
221 | /* | |
222 | * Mon960 will set doorbell0 bit when it has completed the command. | |
223 | */ | |
224 | if ((src_readl(dev, MUnit.ODR_R) >> SRC_ODR_SHIFT) & OUTBOUNDDOORBELL_0) { | |
225 | /* | |
226 | * Clear the doorbell. | |
227 | */ | |
228 | src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); | |
229 | ok = 1; | |
230 | break; | |
231 | } | |
232 | /* | |
233 | * Yield the processor in case we are slow | |
234 | */ | |
235 | msleep(1); | |
e8b12f0f | 236 | } |
11604612 MR |
237 | if (unlikely(ok != 1)) { |
238 | /* | |
239 | * Restore interrupt mask even though we timed out | |
240 | */ | |
241 | aac_adapter_enable_int(dev); | |
242 | return -ETIMEDOUT; | |
243 | } | |
244 | /* | |
245 | * Pull the synch status from Mailbox 0. | |
246 | */ | |
247 | if (status) | |
248 | *status = readl(&dev->IndexRegs->Mailbox[0]); | |
249 | if (r1) | |
250 | *r1 = readl(&dev->IndexRegs->Mailbox[1]); | |
251 | if (r2) | |
252 | *r2 = readl(&dev->IndexRegs->Mailbox[2]); | |
253 | if (r3) | |
254 | *r3 = readl(&dev->IndexRegs->Mailbox[3]); | |
255 | if (r4) | |
256 | *r4 = readl(&dev->IndexRegs->Mailbox[4]); | |
257 | ||
258 | /* | |
259 | * Clear the synch command doorbell. | |
260 | */ | |
261 | src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); | |
e8b12f0f MR |
262 | } |
263 | ||
11604612 MR |
264 | /* |
265 | * Restore interrupt mask | |
266 | */ | |
e8b12f0f MR |
267 | aac_adapter_enable_int(dev); |
268 | return 0; | |
e8b12f0f MR |
269 | } |
270 | ||
271 | /** | |
272 | * aac_src_interrupt_adapter - interrupt adapter | |
273 | * @dev: Adapter | |
274 | * | |
275 | * Send an interrupt to the i960 and breakpoint it. | |
276 | */ | |
277 | ||
278 | static void aac_src_interrupt_adapter(struct aac_dev *dev) | |
279 | { | |
280 | src_sync_cmd(dev, BREAKPOINT_REQUEST, | |
281 | 0, 0, 0, 0, 0, 0, | |
282 | NULL, NULL, NULL, NULL, NULL); | |
283 | } | |
284 | ||
285 | /** | |
286 | * aac_src_notify_adapter - send an event to the adapter | |
287 | * @dev: Adapter | |
288 | * @event: Event to send | |
289 | * | |
290 | * Notify the i960 that something it probably cares about has | |
291 | * happened. | |
292 | */ | |
293 | ||
294 | static void aac_src_notify_adapter(struct aac_dev *dev, u32 event) | |
295 | { | |
296 | switch (event) { | |
297 | ||
298 | case AdapNormCmdQue: | |
299 | src_writel(dev, MUnit.ODR_C, | |
300 | INBOUNDDOORBELL_1 << SRC_ODR_SHIFT); | |
301 | break; | |
302 | case HostNormRespNotFull: | |
303 | src_writel(dev, MUnit.ODR_C, | |
304 | INBOUNDDOORBELL_4 << SRC_ODR_SHIFT); | |
305 | break; | |
306 | case AdapNormRespQue: | |
307 | src_writel(dev, MUnit.ODR_C, | |
308 | INBOUNDDOORBELL_2 << SRC_ODR_SHIFT); | |
309 | break; | |
310 | case HostNormCmdNotFull: | |
311 | src_writel(dev, MUnit.ODR_C, | |
312 | INBOUNDDOORBELL_3 << SRC_ODR_SHIFT); | |
313 | break; | |
314 | case FastIo: | |
315 | src_writel(dev, MUnit.ODR_C, | |
316 | INBOUNDDOORBELL_6 << SRC_ODR_SHIFT); | |
317 | break; | |
318 | case AdapPrintfDone: | |
319 | src_writel(dev, MUnit.ODR_C, | |
320 | INBOUNDDOORBELL_5 << SRC_ODR_SHIFT); | |
321 | break; | |
322 | default: | |
323 | BUG(); | |
324 | break; | |
325 | } | |
326 | } | |
327 | ||
328 | /** | |
329 | * aac_src_start_adapter - activate adapter | |
330 | * @dev: Adapter | |
331 | * | |
332 | * Start up processing on an i960 based AAC adapter | |
333 | */ | |
334 | ||
335 | static void aac_src_start_adapter(struct aac_dev *dev) | |
336 | { | |
337 | struct aac_init *init; | |
338 | ||
85d22bbf MR |
339 | /* reset host_rrq_idx first */ |
340 | dev->host_rrq_idx = 0; | |
341 | ||
e8b12f0f MR |
342 | init = dev->init; |
343 | init->HostElapsedSeconds = cpu_to_le32(get_seconds()); | |
344 | ||
345 | /* We can only use a 32 bit address here */ | |
346 | src_sync_cmd(dev, INIT_STRUCT_BASE_ADDRESS, (u32)(ulong)dev->init_pa, | |
347 | 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL); | |
348 | } | |
349 | ||
350 | /** | |
351 | * aac_src_check_health | |
352 | * @dev: device to check if healthy | |
353 | * | |
354 | * Will attempt to determine if the specified adapter is alive and | |
355 | * capable of handling requests, returning 0 if alive. | |
356 | */ | |
357 | static int aac_src_check_health(struct aac_dev *dev) | |
358 | { | |
359 | u32 status = src_readl(dev, MUnit.OMR); | |
360 | ||
361 | /* | |
362 | * Check to see if the board failed any self tests. | |
363 | */ | |
364 | if (unlikely(status & SELF_TEST_FAILED)) | |
365 | return -1; | |
366 | ||
367 | /* | |
368 | * Check to see if the board panic'd. | |
369 | */ | |
370 | if (unlikely(status & KERNEL_PANIC)) | |
371 | return (status >> 16) & 0xFF; | |
372 | /* | |
373 | * Wait for the adapter to be up and running. | |
374 | */ | |
375 | if (unlikely(!(status & KERNEL_UP_AND_RUNNING))) | |
376 | return -3; | |
377 | /* | |
378 | * Everything is OK | |
379 | */ | |
380 | return 0; | |
381 | } | |
382 | ||
383 | /** | |
384 | * aac_src_deliver_message | |
385 | * @fib: fib to issue | |
386 | * | |
387 | * Will send a fib, returning 0 if successful. | |
388 | */ | |
389 | static int aac_src_deliver_message(struct fib *fib) | |
390 | { | |
391 | struct aac_dev *dev = fib->dev; | |
392 | struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue]; | |
393 | unsigned long qflags; | |
394 | u32 fibsize; | |
b5f1758f | 395 | dma_addr_t address; |
e8b12f0f | 396 | struct aac_fib_xporthdr *pFibX; |
b5f1758f | 397 | u16 hdr_size = le16_to_cpu(fib->hw_fib_va->header.Size); |
e8b12f0f MR |
398 | |
399 | spin_lock_irqsave(q->lock, qflags); | |
400 | q->numpending++; | |
401 | spin_unlock_irqrestore(q->lock, qflags); | |
402 | ||
85d22bbf MR |
403 | if (dev->comm_interface == AAC_COMM_MESSAGE_TYPE2) { |
404 | /* Calculate the amount to the fibsize bits */ | |
405 | fibsize = (hdr_size + 127) / 128 - 1; | |
406 | if (fibsize > (ALIGN32 - 1)) | |
407 | return -EMSGSIZE; | |
408 | /* New FIB header, 32-bit */ | |
409 | address = fib->hw_fib_pa; | |
410 | fib->hw_fib_va->header.StructType = FIB_MAGIC2; | |
411 | fib->hw_fib_va->header.SenderFibAddress = (u32)address; | |
412 | fib->hw_fib_va->header.u.TimeStamp = 0; | |
98f99a8a | 413 | BUG_ON(upper_32_bits(address) != 0L); |
85d22bbf MR |
414 | address |= fibsize; |
415 | } else { | |
416 | /* Calculate the amount to the fibsize bits */ | |
417 | fibsize = (sizeof(struct aac_fib_xporthdr) + hdr_size + 127) / 128 - 1; | |
418 | if (fibsize > (ALIGN32 - 1)) | |
419 | return -EMSGSIZE; | |
420 | ||
421 | /* Fill XPORT header */ | |
422 | pFibX = (void *)fib->hw_fib_va - sizeof(struct aac_fib_xporthdr); | |
423 | pFibX->Handle = cpu_to_le32(fib->hw_fib_va->header.Handle); | |
424 | pFibX->HostAddress = cpu_to_le64(fib->hw_fib_pa); | |
425 | pFibX->Size = cpu_to_le32(hdr_size); | |
b5f1758f | 426 | |
85d22bbf MR |
427 | /* |
428 | * The xport header has been 32-byte aligned for us so that fibsize | |
429 | * can be masked out of this address by hardware. -- BenC | |
430 | */ | |
431 | address = fib->hw_fib_pa - sizeof(struct aac_fib_xporthdr); | |
432 | if (address & (ALIGN32 - 1)) | |
433 | return -EINVAL; | |
434 | address |= fibsize; | |
435 | } | |
b5f1758f | 436 | |
98f99a8a | 437 | src_writel(dev, MUnit.IQ_H, upper_32_bits(address) & 0xffffffff); |
b5f1758f BC |
438 | src_writel(dev, MUnit.IQ_L, address & 0xffffffff); |
439 | ||
e8b12f0f MR |
440 | return 0; |
441 | } | |
442 | ||
443 | /** | |
444 | * aac_src_ioremap | |
445 | * @size: mapping resize request | |
446 | * | |
447 | */ | |
448 | static int aac_src_ioremap(struct aac_dev *dev, u32 size) | |
449 | { | |
450 | if (!size) { | |
71552505 TH |
451 | iounmap(dev->regs.src.bar1); |
452 | dev->regs.src.bar1 = NULL; | |
e8b12f0f | 453 | iounmap(dev->regs.src.bar0); |
11604612 | 454 | dev->base = dev->regs.src.bar0 = NULL; |
e8b12f0f MR |
455 | return 0; |
456 | } | |
457 | dev->regs.src.bar1 = ioremap(pci_resource_start(dev->pdev, 2), | |
458 | AAC_MIN_SRC_BAR1_SIZE); | |
459 | dev->base = NULL; | |
460 | if (dev->regs.src.bar1 == NULL) | |
461 | return -1; | |
ff08784b | 462 | dev->base = dev->regs.src.bar0 = ioremap(dev->base_start, size); |
e8b12f0f MR |
463 | if (dev->base == NULL) { |
464 | iounmap(dev->regs.src.bar1); | |
465 | dev->regs.src.bar1 = NULL; | |
466 | return -1; | |
467 | } | |
468 | dev->IndexRegs = &((struct src_registers __iomem *) | |
11604612 MR |
469 | dev->base)->u.tupelo.IndexRegs; |
470 | return 0; | |
471 | } | |
472 | ||
473 | /** | |
474 | * aac_srcv_ioremap | |
475 | * @size: mapping resize request | |
476 | * | |
477 | */ | |
478 | static int aac_srcv_ioremap(struct aac_dev *dev, u32 size) | |
479 | { | |
480 | if (!size) { | |
481 | iounmap(dev->regs.src.bar0); | |
482 | dev->base = dev->regs.src.bar0 = NULL; | |
483 | return 0; | |
484 | } | |
ff08784b | 485 | dev->base = dev->regs.src.bar0 = ioremap(dev->base_start, size); |
11604612 MR |
486 | if (dev->base == NULL) |
487 | return -1; | |
488 | dev->IndexRegs = &((struct src_registers __iomem *) | |
489 | dev->base)->u.denali.IndexRegs; | |
e8b12f0f MR |
490 | return 0; |
491 | } | |
492 | ||
493 | static int aac_src_restart_adapter(struct aac_dev *dev, int bled) | |
494 | { | |
495 | u32 var, reset_mask; | |
496 | ||
497 | if (bled >= 0) { | |
498 | if (bled) | |
499 | printk(KERN_ERR "%s%d: adapter kernel panic'd %x.\n", | |
500 | dev->name, dev->id, bled); | |
501 | bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS, | |
502 | 0, 0, 0, 0, 0, 0, &var, &reset_mask, NULL, NULL, NULL); | |
503 | if (bled || (var != 0x00000001)) | |
11604612 | 504 | return -EINVAL; |
e8b12f0f MR |
505 | if (dev->supplement_adapter_info.SupportedOptions2 & |
506 | AAC_OPTION_DOORBELL_RESET) { | |
507 | src_writel(dev, MUnit.IDR, reset_mask); | |
508 | msleep(5000); /* Delay 5 seconds */ | |
509 | } | |
510 | } | |
511 | ||
512 | if (src_readl(dev, MUnit.OMR) & KERNEL_PANIC) | |
513 | return -ENODEV; | |
514 | ||
515 | if (startup_timeout < 300) | |
516 | startup_timeout = 300; | |
517 | ||
518 | return 0; | |
519 | } | |
520 | ||
521 | /** | |
522 | * aac_src_select_comm - Select communications method | |
523 | * @dev: Adapter | |
524 | * @comm: communications method | |
525 | */ | |
526 | int aac_src_select_comm(struct aac_dev *dev, int comm) | |
527 | { | |
528 | switch (comm) { | |
529 | case AAC_COMM_MESSAGE: | |
530 | dev->a_ops.adapter_enable_int = aac_src_enable_interrupt_message; | |
531 | dev->a_ops.adapter_intr = aac_src_intr_message; | |
532 | dev->a_ops.adapter_deliver = aac_src_deliver_message; | |
533 | break; | |
534 | default: | |
535 | return 1; | |
536 | } | |
537 | return 0; | |
538 | } | |
539 | ||
540 | /** | |
541 | * aac_src_init - initialize an Cardinal Frey Bar card | |
542 | * @dev: device to configure | |
543 | * | |
544 | */ | |
545 | ||
546 | int aac_src_init(struct aac_dev *dev) | |
547 | { | |
548 | unsigned long start; | |
549 | unsigned long status; | |
550 | int restart = 0; | |
551 | int instance = dev->id; | |
552 | const char *name = dev->name; | |
553 | ||
554 | dev->a_ops.adapter_ioremap = aac_src_ioremap; | |
555 | dev->a_ops.adapter_comm = aac_src_select_comm; | |
556 | ||
557 | dev->base_size = AAC_MIN_SRC_BAR0_SIZE; | |
558 | if (aac_adapter_ioremap(dev, dev->base_size)) { | |
559 | printk(KERN_WARNING "%s: unable to map adapter.\n", name); | |
560 | goto error_iounmap; | |
561 | } | |
562 | ||
563 | /* Failure to reset here is an option ... */ | |
564 | dev->a_ops.adapter_sync_cmd = src_sync_cmd; | |
565 | dev->a_ops.adapter_enable_int = aac_src_disable_interrupt; | |
566 | if ((aac_reset_devices || reset_devices) && | |
567 | !aac_src_restart_adapter(dev, 0)) | |
568 | ++restart; | |
569 | /* | |
570 | * Check to see if the board panic'd while booting. | |
571 | */ | |
572 | status = src_readl(dev, MUnit.OMR); | |
573 | if (status & KERNEL_PANIC) { | |
574 | if (aac_src_restart_adapter(dev, aac_src_check_health(dev))) | |
575 | goto error_iounmap; | |
576 | ++restart; | |
577 | } | |
578 | /* | |
579 | * Check to see if the board failed any self tests. | |
580 | */ | |
581 | status = src_readl(dev, MUnit.OMR); | |
582 | if (status & SELF_TEST_FAILED) { | |
583 | printk(KERN_ERR "%s%d: adapter self-test failed.\n", | |
584 | dev->name, instance); | |
585 | goto error_iounmap; | |
586 | } | |
587 | /* | |
588 | * Check to see if the monitor panic'd while booting. | |
589 | */ | |
590 | if (status & MONITOR_PANIC) { | |
591 | printk(KERN_ERR "%s%d: adapter monitor panic.\n", | |
592 | 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 = src_readl(dev, MUnit.OMR)) & | |
600 | KERNEL_UP_AND_RUNNING)) { | |
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_src_restart_adapter(dev, | |
615 | aac_src_check_health(dev)))) | |
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_src_interrupt_adapter; | |
627 | dev->a_ops.adapter_disable_int = aac_src_disable_interrupt; | |
628 | dev->a_ops.adapter_notify = aac_src_notify_adapter; | |
629 | dev->a_ops.adapter_sync_cmd = src_sync_cmd; | |
630 | dev->a_ops.adapter_check_health = aac_src_check_health; | |
631 | dev->a_ops.adapter_restart = aac_src_restart_adapter; | |
632 | ||
633 | /* | |
634 | * First clear out all interrupts. Then enable the one's that we | |
635 | * can handle. | |
636 | */ | |
637 | aac_adapter_comm(dev, AAC_COMM_MESSAGE); | |
638 | aac_adapter_disable_int(dev); | |
639 | src_writel(dev, MUnit.ODR_C, 0xffffffff); | |
640 | aac_adapter_enable_int(dev); | |
641 | ||
642 | if (aac_init_adapter(dev) == NULL) | |
643 | goto error_iounmap; | |
644 | if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE1) | |
645 | goto error_iounmap; | |
646 | ||
647 | dev->msi = aac_msi && !pci_enable_msi(dev->pdev); | |
648 | ||
649 | if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, | |
4909cc2b | 650 | IRQF_SHARED, "aacraid", dev) < 0) { |
e8b12f0f MR |
651 | |
652 | if (dev->msi) | |
653 | pci_disable_msi(dev->pdev); | |
654 | ||
655 | printk(KERN_ERR "%s%d: Interrupt unavailable.\n", | |
656 | name, instance); | |
657 | goto error_iounmap; | |
658 | } | |
659 | dev->dbg_base = pci_resource_start(dev->pdev, 2); | |
660 | dev->dbg_base_mapped = dev->regs.src.bar1; | |
661 | dev->dbg_size = AAC_MIN_SRC_BAR1_SIZE; | |
662 | ||
663 | aac_adapter_enable_int(dev); | |
11604612 MR |
664 | |
665 | if (!dev->sync_mode) { | |
666 | /* | |
667 | * Tell the adapter that all is configured, and it can | |
668 | * start accepting requests | |
669 | */ | |
670 | aac_src_start_adapter(dev); | |
671 | } | |
672 | return 0; | |
673 | ||
674 | error_iounmap: | |
675 | ||
676 | return -1; | |
677 | } | |
678 | ||
679 | /** | |
680 | * aac_srcv_init - initialize an SRCv card | |
681 | * @dev: device to configure | |
682 | * | |
683 | */ | |
684 | ||
685 | int aac_srcv_init(struct aac_dev *dev) | |
686 | { | |
687 | unsigned long start; | |
688 | unsigned long status; | |
689 | int restart = 0; | |
690 | int instance = dev->id; | |
691 | const char *name = dev->name; | |
692 | ||
693 | dev->a_ops.adapter_ioremap = aac_srcv_ioremap; | |
694 | dev->a_ops.adapter_comm = aac_src_select_comm; | |
695 | ||
696 | dev->base_size = AAC_MIN_SRCV_BAR0_SIZE; | |
697 | if (aac_adapter_ioremap(dev, dev->base_size)) { | |
698 | printk(KERN_WARNING "%s: unable to map adapter.\n", name); | |
699 | goto error_iounmap; | |
700 | } | |
701 | ||
702 | /* Failure to reset here is an option ... */ | |
703 | dev->a_ops.adapter_sync_cmd = src_sync_cmd; | |
704 | dev->a_ops.adapter_enable_int = aac_src_disable_interrupt; | |
705 | if ((aac_reset_devices || reset_devices) && | |
706 | !aac_src_restart_adapter(dev, 0)) | |
707 | ++restart; | |
2c10cd43 MR |
708 | /* |
709 | * Check to see if flash update is running. | |
710 | * Wait for the adapter to be up and running. Wait up to 5 minutes | |
711 | */ | |
712 | status = src_readl(dev, MUnit.OMR); | |
713 | if (status & FLASH_UPD_PENDING) { | |
714 | start = jiffies; | |
715 | do { | |
716 | status = src_readl(dev, MUnit.OMR); | |
717 | if (time_after(jiffies, start+HZ*FWUPD_TIMEOUT)) { | |
718 | printk(KERN_ERR "%s%d: adapter flash update failed.\n", | |
719 | dev->name, instance); | |
720 | goto error_iounmap; | |
721 | } | |
722 | } while (!(status & FLASH_UPD_SUCCESS) && | |
723 | !(status & FLASH_UPD_FAILED)); | |
724 | /* Delay 10 seconds. | |
725 | * Because right now FW is doing a soft reset, | |
726 | * do not read scratch pad register at this time | |
727 | */ | |
728 | ssleep(10); | |
729 | } | |
e8b12f0f | 730 | /* |
11604612 | 731 | * Check to see if the board panic'd while booting. |
e8b12f0f | 732 | */ |
11604612 MR |
733 | status = src_readl(dev, MUnit.OMR); |
734 | if (status & KERNEL_PANIC) { | |
735 | if (aac_src_restart_adapter(dev, aac_src_check_health(dev))) | |
736 | goto error_iounmap; | |
737 | ++restart; | |
738 | } | |
739 | /* | |
740 | * Check to see if the board failed any self tests. | |
741 | */ | |
742 | status = src_readl(dev, MUnit.OMR); | |
743 | if (status & SELF_TEST_FAILED) { | |
744 | printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); | |
745 | goto error_iounmap; | |
746 | } | |
747 | /* | |
748 | * Check to see if the monitor panic'd while booting. | |
749 | */ | |
750 | if (status & MONITOR_PANIC) { | |
751 | printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); | |
752 | goto error_iounmap; | |
753 | } | |
754 | start = jiffies; | |
755 | /* | |
756 | * Wait for the adapter to be up and running. Wait up to 3 minutes | |
757 | */ | |
2c10cd43 MR |
758 | while (!((status = src_readl(dev, MUnit.OMR)) & |
759 | KERNEL_UP_AND_RUNNING) || | |
760 | status == 0xffffffff) { | |
11604612 MR |
761 | if ((restart && |
762 | (status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) || | |
763 | time_after(jiffies, start+HZ*startup_timeout)) { | |
764 | printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", | |
765 | dev->name, instance, status); | |
766 | goto error_iounmap; | |
767 | } | |
768 | if (!restart && | |
769 | ((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) || | |
770 | time_after(jiffies, start + HZ * | |
771 | ((startup_timeout > 60) | |
772 | ? (startup_timeout - 60) | |
773 | : (startup_timeout / 2))))) { | |
774 | if (likely(!aac_src_restart_adapter(dev, aac_src_check_health(dev)))) | |
775 | start = jiffies; | |
776 | ++restart; | |
777 | } | |
778 | msleep(1); | |
779 | } | |
780 | if (restart && aac_commit) | |
781 | aac_commit = 1; | |
782 | /* | |
783 | * Fill in the common function dispatch table. | |
784 | */ | |
785 | dev->a_ops.adapter_interrupt = aac_src_interrupt_adapter; | |
786 | dev->a_ops.adapter_disable_int = aac_src_disable_interrupt; | |
787 | dev->a_ops.adapter_notify = aac_src_notify_adapter; | |
788 | dev->a_ops.adapter_sync_cmd = src_sync_cmd; | |
789 | dev->a_ops.adapter_check_health = aac_src_check_health; | |
790 | dev->a_ops.adapter_restart = aac_src_restart_adapter; | |
791 | ||
792 | /* | |
793 | * First clear out all interrupts. Then enable the one's that we | |
794 | * can handle. | |
795 | */ | |
796 | aac_adapter_comm(dev, AAC_COMM_MESSAGE); | |
797 | aac_adapter_disable_int(dev); | |
798 | src_writel(dev, MUnit.ODR_C, 0xffffffff); | |
799 | aac_adapter_enable_int(dev); | |
e8b12f0f | 800 | |
11604612 MR |
801 | if (aac_init_adapter(dev) == NULL) |
802 | goto error_iounmap; | |
85d22bbf | 803 | if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE2) |
11604612 MR |
804 | goto error_iounmap; |
805 | dev->msi = aac_msi && !pci_enable_msi(dev->pdev); | |
806 | if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, | |
4909cc2b | 807 | IRQF_SHARED, "aacraid", dev) < 0) { |
11604612 MR |
808 | if (dev->msi) |
809 | pci_disable_msi(dev->pdev); | |
810 | printk(KERN_ERR "%s%d: Interrupt unavailable.\n", | |
811 | name, instance); | |
812 | goto error_iounmap; | |
813 | } | |
ff08784b | 814 | dev->dbg_base = dev->base_start; |
11604612 MR |
815 | dev->dbg_base_mapped = dev->base; |
816 | dev->dbg_size = dev->base_size; | |
817 | ||
818 | aac_adapter_enable_int(dev); | |
819 | ||
820 | if (!dev->sync_mode) { | |
821 | /* | |
822 | * Tell the adapter that all is configured, and it can | |
823 | * start accepting requests | |
824 | */ | |
825 | aac_src_start_adapter(dev); | |
826 | } | |
e8b12f0f MR |
827 | return 0; |
828 | ||
829 | error_iounmap: | |
830 | ||
831 | return -1; | |
832 | } | |
11604612 | 833 |