Commit | Line | Data |
---|---|---|
8722ff8c | 1 | /* |
2 | * Filename: core.c | |
3 | * | |
4 | * | |
5 | * Authors: Joshua Morris <josh.h.morris@us.ibm.com> | |
6 | * Philip Kelleher <pjk1939@linux.vnet.ibm.com> | |
7 | * | |
8 | * (C) Copyright 2013 IBM Corporation | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or | |
11 | * modify it under the terms of the GNU General Public License as | |
12 | * published by the Free Software Foundation; either version 2 of the | |
13 | * License, or (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but | |
16 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | * General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software Foundation, | |
22 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
23 | */ | |
24 | ||
25 | #include <linux/kernel.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/pci.h> | |
30 | #include <linux/reboot.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/bitops.h> | |
33 | ||
34 | #include <linux/genhd.h> | |
35 | #include <linux/idr.h> | |
36 | ||
37 | #include "rsxx_priv.h" | |
38 | #include "rsxx_cfg.h" | |
39 | ||
40 | #define NO_LEGACY 0 | |
41 | ||
42 | MODULE_DESCRIPTION("IBM RamSan PCIe Flash SSD Device Driver"); | |
43 | MODULE_AUTHOR("IBM <support@ramsan.com>"); | |
44 | MODULE_LICENSE("GPL"); | |
45 | MODULE_VERSION(DRIVER_VERSION); | |
46 | ||
47 | static unsigned int force_legacy = NO_LEGACY; | |
48 | module_param(force_legacy, uint, 0444); | |
49 | MODULE_PARM_DESC(force_legacy, "Force the use of legacy type PCI interrupts"); | |
50 | ||
51 | static DEFINE_IDA(rsxx_disk_ida); | |
52 | static DEFINE_SPINLOCK(rsxx_ida_lock); | |
53 | ||
54 | /*----------------- Interrupt Control & Handling -------------------*/ | |
55 | static void __enable_intr(unsigned int *mask, unsigned int intr) | |
56 | { | |
57 | *mask |= intr; | |
58 | } | |
59 | ||
60 | static void __disable_intr(unsigned int *mask, unsigned int intr) | |
61 | { | |
62 | *mask &= ~intr; | |
63 | } | |
64 | ||
65 | /* | |
66 | * NOTE: Disabling the IER will disable the hardware interrupt. | |
67 | * Disabling the ISR will disable the software handling of the ISR bit. | |
68 | * | |
69 | * Enable/Disable interrupt functions assume the card->irq_lock | |
70 | * is held by the caller. | |
71 | */ | |
72 | void rsxx_enable_ier(struct rsxx_cardinfo *card, unsigned int intr) | |
73 | { | |
74 | if (unlikely(card->halt)) | |
75 | return; | |
76 | ||
77 | __enable_intr(&card->ier_mask, intr); | |
78 | iowrite32(card->ier_mask, card->regmap + IER); | |
79 | } | |
80 | ||
81 | void rsxx_disable_ier(struct rsxx_cardinfo *card, unsigned int intr) | |
82 | { | |
83 | __disable_intr(&card->ier_mask, intr); | |
84 | iowrite32(card->ier_mask, card->regmap + IER); | |
85 | } | |
86 | ||
87 | void rsxx_enable_ier_and_isr(struct rsxx_cardinfo *card, | |
88 | unsigned int intr) | |
89 | { | |
90 | if (unlikely(card->halt)) | |
91 | return; | |
92 | ||
93 | __enable_intr(&card->isr_mask, intr); | |
94 | __enable_intr(&card->ier_mask, intr); | |
95 | iowrite32(card->ier_mask, card->regmap + IER); | |
96 | } | |
97 | void rsxx_disable_ier_and_isr(struct rsxx_cardinfo *card, | |
98 | unsigned int intr) | |
99 | { | |
100 | __disable_intr(&card->isr_mask, intr); | |
101 | __disable_intr(&card->ier_mask, intr); | |
102 | iowrite32(card->ier_mask, card->regmap + IER); | |
103 | } | |
104 | ||
c206c709 | 105 | static irqreturn_t rsxx_isr(int irq, void *pdata) |
8722ff8c | 106 | { |
c206c709 | 107 | struct rsxx_cardinfo *card = pdata; |
8722ff8c | 108 | unsigned int isr; |
109 | int handled = 0; | |
110 | int reread_isr; | |
111 | int i; | |
112 | ||
113 | spin_lock(&card->irq_lock); | |
114 | ||
115 | do { | |
116 | reread_isr = 0; | |
117 | ||
118 | isr = ioread32(card->regmap + ISR); | |
119 | if (isr == 0xffffffff) { | |
120 | /* | |
121 | * A few systems seem to have an intermittent issue | |
122 | * where PCI reads return all Fs, but retrying the read | |
123 | * a little later will return as expected. | |
124 | */ | |
125 | dev_info(CARD_TO_DEV(card), | |
126 | "ISR = 0xFFFFFFFF, retrying later\n"); | |
127 | break; | |
128 | } | |
129 | ||
130 | isr &= card->isr_mask; | |
131 | if (!isr) | |
132 | break; | |
133 | ||
134 | for (i = 0; i < card->n_targets; i++) { | |
135 | if (isr & CR_INTR_DMA(i)) { | |
136 | if (card->ier_mask & CR_INTR_DMA(i)) { | |
137 | rsxx_disable_ier(card, CR_INTR_DMA(i)); | |
138 | reread_isr = 1; | |
139 | } | |
140 | queue_work(card->ctrl[i].done_wq, | |
141 | &card->ctrl[i].dma_done_work); | |
142 | handled++; | |
143 | } | |
144 | } | |
145 | ||
146 | if (isr & CR_INTR_CREG) { | |
147 | schedule_work(&card->creg_ctrl.done_work); | |
148 | handled++; | |
149 | } | |
150 | ||
151 | if (isr & CR_INTR_EVENT) { | |
152 | schedule_work(&card->event_work); | |
153 | rsxx_disable_ier_and_isr(card, CR_INTR_EVENT); | |
154 | handled++; | |
155 | } | |
156 | } while (reread_isr); | |
157 | ||
158 | spin_unlock(&card->irq_lock); | |
159 | ||
160 | return handled ? IRQ_HANDLED : IRQ_NONE; | |
161 | } | |
162 | ||
163 | /*----------------- Card Event Handler -------------------*/ | |
c206c709 PK |
164 | static char *rsxx_card_state_to_str(unsigned int state) |
165 | { | |
166 | static char *state_strings[] = { | |
167 | "Unknown", "Shutdown", "Starting", "Formatting", | |
168 | "Uninitialized", "Good", "Shutting Down", | |
169 | "Fault", "Read Only Fault", "dStroying" | |
170 | }; | |
171 | ||
172 | return state_strings[ffs(state)]; | |
173 | } | |
174 | ||
8722ff8c | 175 | static void card_state_change(struct rsxx_cardinfo *card, |
176 | unsigned int new_state) | |
177 | { | |
178 | int st; | |
179 | ||
180 | dev_info(CARD_TO_DEV(card), | |
181 | "card state change detected.(%s -> %s)\n", | |
182 | rsxx_card_state_to_str(card->state), | |
183 | rsxx_card_state_to_str(new_state)); | |
184 | ||
185 | card->state = new_state; | |
186 | ||
187 | /* Don't attach DMA interfaces if the card has an invalid config */ | |
188 | if (!card->config_valid) | |
189 | return; | |
190 | ||
191 | switch (new_state) { | |
192 | case CARD_STATE_RD_ONLY_FAULT: | |
193 | dev_crit(CARD_TO_DEV(card), | |
194 | "Hardware has entered read-only mode!\n"); | |
195 | /* | |
196 | * Fall through so the DMA devices can be attached and | |
197 | * the user can attempt to pull off their data. | |
198 | */ | |
199 | case CARD_STATE_GOOD: | |
200 | st = rsxx_get_card_size8(card, &card->size8); | |
201 | if (st) | |
202 | dev_err(CARD_TO_DEV(card), | |
203 | "Failed attaching DMA devices\n"); | |
204 | ||
205 | if (card->config_valid) | |
206 | set_capacity(card->gendisk, card->size8 >> 9); | |
207 | break; | |
208 | ||
209 | case CARD_STATE_FAULT: | |
210 | dev_crit(CARD_TO_DEV(card), | |
211 | "Hardware Fault reported!\n"); | |
212 | /* Fall through. */ | |
213 | ||
214 | /* Everything else, detach DMA interface if it's attached. */ | |
215 | case CARD_STATE_SHUTDOWN: | |
216 | case CARD_STATE_STARTING: | |
217 | case CARD_STATE_FORMATTING: | |
218 | case CARD_STATE_UNINITIALIZED: | |
219 | case CARD_STATE_SHUTTING_DOWN: | |
220 | /* | |
221 | * dStroy is a term coined by marketing to represent the low level | |
222 | * secure erase. | |
223 | */ | |
224 | case CARD_STATE_DSTROYING: | |
225 | set_capacity(card->gendisk, 0); | |
226 | break; | |
227 | } | |
228 | } | |
229 | ||
230 | static void card_event_handler(struct work_struct *work) | |
231 | { | |
232 | struct rsxx_cardinfo *card; | |
233 | unsigned int state; | |
234 | unsigned long flags; | |
235 | int st; | |
236 | ||
237 | card = container_of(work, struct rsxx_cardinfo, event_work); | |
238 | ||
239 | if (unlikely(card->halt)) | |
240 | return; | |
241 | ||
242 | /* | |
243 | * Enable the interrupt now to avoid any weird race conditions where a | |
244 | * state change might occur while rsxx_get_card_state() is | |
245 | * processing a returned creg cmd. | |
246 | */ | |
247 | spin_lock_irqsave(&card->irq_lock, flags); | |
248 | rsxx_enable_ier_and_isr(card, CR_INTR_EVENT); | |
249 | spin_unlock_irqrestore(&card->irq_lock, flags); | |
250 | ||
251 | st = rsxx_get_card_state(card, &state); | |
252 | if (st) { | |
253 | dev_info(CARD_TO_DEV(card), | |
254 | "Failed reading state after event.\n"); | |
255 | return; | |
256 | } | |
257 | ||
258 | if (card->state != state) | |
259 | card_state_change(card, state); | |
260 | ||
261 | if (card->creg_ctrl.creg_stats.stat & CREG_STAT_LOG_PENDING) | |
262 | rsxx_read_hw_log(card); | |
263 | } | |
264 | ||
8722ff8c | 265 | /*----------------- Card Operations -------------------*/ |
266 | static int card_shutdown(struct rsxx_cardinfo *card) | |
267 | { | |
268 | unsigned int state; | |
269 | signed long start; | |
270 | const int timeout = msecs_to_jiffies(120000); | |
271 | int st; | |
272 | ||
273 | /* We can't issue a shutdown if the card is in a transition state */ | |
274 | start = jiffies; | |
275 | do { | |
276 | st = rsxx_get_card_state(card, &state); | |
277 | if (st) | |
278 | return st; | |
279 | } while (state == CARD_STATE_STARTING && | |
280 | (jiffies - start < timeout)); | |
281 | ||
282 | if (state == CARD_STATE_STARTING) | |
283 | return -ETIMEDOUT; | |
284 | ||
285 | /* Only issue a shutdown if we need to */ | |
286 | if ((state != CARD_STATE_SHUTTING_DOWN) && | |
287 | (state != CARD_STATE_SHUTDOWN)) { | |
288 | st = rsxx_issue_card_cmd(card, CARD_CMD_SHUTDOWN); | |
289 | if (st) | |
290 | return st; | |
291 | } | |
292 | ||
293 | start = jiffies; | |
294 | do { | |
295 | st = rsxx_get_card_state(card, &state); | |
296 | if (st) | |
297 | return st; | |
298 | } while (state != CARD_STATE_SHUTDOWN && | |
299 | (jiffies - start < timeout)); | |
300 | ||
301 | if (state != CARD_STATE_SHUTDOWN) | |
302 | return -ETIMEDOUT; | |
303 | ||
304 | return 0; | |
305 | } | |
306 | ||
307 | /*----------------- Driver Initialization & Setup -------------------*/ | |
308 | /* Returns: 0 if the driver is compatible with the device | |
309 | -1 if the driver is NOT compatible with the device */ | |
310 | static int rsxx_compatibility_check(struct rsxx_cardinfo *card) | |
311 | { | |
312 | unsigned char pci_rev; | |
313 | ||
314 | pci_read_config_byte(card->dev, PCI_REVISION_ID, &pci_rev); | |
315 | ||
316 | if (pci_rev > RS70_PCI_REV_SUPPORTED) | |
317 | return -1; | |
318 | return 0; | |
319 | } | |
320 | ||
82bed4d5 | 321 | static int rsxx_pci_probe(struct pci_dev *dev, |
8722ff8c | 322 | const struct pci_device_id *id) |
323 | { | |
324 | struct rsxx_cardinfo *card; | |
8722ff8c | 325 | int st; |
326 | ||
327 | dev_info(&dev->dev, "PCI-Flash SSD discovered\n"); | |
328 | ||
329 | card = kzalloc(sizeof(*card), GFP_KERNEL); | |
330 | if (!card) | |
331 | return -ENOMEM; | |
332 | ||
333 | card->dev = dev; | |
334 | pci_set_drvdata(dev, card); | |
335 | ||
336 | do { | |
337 | if (!ida_pre_get(&rsxx_disk_ida, GFP_KERNEL)) { | |
338 | st = -ENOMEM; | |
339 | goto failed_ida_get; | |
340 | } | |
341 | ||
342 | spin_lock(&rsxx_ida_lock); | |
343 | st = ida_get_new(&rsxx_disk_ida, &card->disk_id); | |
344 | spin_unlock(&rsxx_ida_lock); | |
345 | } while (st == -EAGAIN); | |
346 | ||
347 | if (st) | |
348 | goto failed_ida_get; | |
349 | ||
350 | st = pci_enable_device(dev); | |
351 | if (st) | |
352 | goto failed_enable; | |
353 | ||
354 | pci_set_master(dev); | |
355 | pci_set_dma_max_seg_size(dev, RSXX_HW_BLK_SIZE); | |
356 | ||
357 | st = pci_set_dma_mask(dev, DMA_BIT_MASK(64)); | |
358 | if (st) { | |
359 | dev_err(CARD_TO_DEV(card), | |
360 | "No usable DMA configuration,aborting\n"); | |
361 | goto failed_dma_mask; | |
362 | } | |
363 | ||
364 | st = pci_request_regions(dev, DRIVER_NAME); | |
365 | if (st) { | |
366 | dev_err(CARD_TO_DEV(card), | |
367 | "Failed to request memory region\n"); | |
368 | goto failed_request_regions; | |
369 | } | |
370 | ||
371 | if (pci_resource_len(dev, 0) == 0) { | |
372 | dev_err(CARD_TO_DEV(card), "BAR0 has length 0!\n"); | |
373 | st = -ENOMEM; | |
374 | goto failed_iomap; | |
375 | } | |
376 | ||
377 | card->regmap = pci_iomap(dev, 0, 0); | |
378 | if (!card->regmap) { | |
379 | dev_err(CARD_TO_DEV(card), "Failed to map BAR0\n"); | |
380 | st = -ENOMEM; | |
381 | goto failed_iomap; | |
382 | } | |
383 | ||
384 | spin_lock_init(&card->irq_lock); | |
385 | card->halt = 0; | |
386 | ||
c206c709 | 387 | spin_lock_irq(&card->irq_lock); |
8722ff8c | 388 | rsxx_disable_ier_and_isr(card, CR_INTR_ALL); |
c206c709 | 389 | spin_unlock_irq(&card->irq_lock); |
8722ff8c | 390 | |
391 | if (!force_legacy) { | |
392 | st = pci_enable_msi(dev); | |
393 | if (st) | |
394 | dev_warn(CARD_TO_DEV(card), | |
395 | "Failed to enable MSI\n"); | |
396 | } | |
397 | ||
398 | st = request_irq(dev->irq, rsxx_isr, IRQF_DISABLED | IRQF_SHARED, | |
399 | DRIVER_NAME, card); | |
400 | if (st) { | |
401 | dev_err(CARD_TO_DEV(card), | |
402 | "Failed requesting IRQ%d\n", dev->irq); | |
403 | goto failed_irq; | |
404 | } | |
405 | ||
406 | /************* Setup Processor Command Interface *************/ | |
407 | rsxx_creg_setup(card); | |
408 | ||
c206c709 | 409 | spin_lock_irq(&card->irq_lock); |
8722ff8c | 410 | rsxx_enable_ier_and_isr(card, CR_INTR_CREG); |
c206c709 | 411 | spin_unlock_irq(&card->irq_lock); |
8722ff8c | 412 | |
413 | st = rsxx_compatibility_check(card); | |
414 | if (st) { | |
415 | dev_warn(CARD_TO_DEV(card), | |
416 | "Incompatible driver detected. Please update the driver.\n"); | |
417 | st = -EINVAL; | |
418 | goto failed_compatiblity_check; | |
419 | } | |
420 | ||
421 | /************* Load Card Config *************/ | |
422 | st = rsxx_load_config(card); | |
423 | if (st) | |
424 | dev_err(CARD_TO_DEV(card), | |
425 | "Failed loading card config\n"); | |
426 | ||
427 | /************* Setup DMA Engine *************/ | |
428 | st = rsxx_get_num_targets(card, &card->n_targets); | |
429 | if (st) | |
430 | dev_info(CARD_TO_DEV(card), | |
431 | "Failed reading the number of DMA targets\n"); | |
432 | ||
433 | card->ctrl = kzalloc(card->n_targets * sizeof(*card->ctrl), GFP_KERNEL); | |
434 | if (!card->ctrl) { | |
435 | st = -ENOMEM; | |
436 | goto failed_dma_setup; | |
437 | } | |
438 | ||
439 | st = rsxx_dma_setup(card); | |
440 | if (st) { | |
441 | dev_info(CARD_TO_DEV(card), | |
442 | "Failed to setup DMA engine\n"); | |
443 | goto failed_dma_setup; | |
444 | } | |
445 | ||
446 | /************* Setup Card Event Handler *************/ | |
447 | INIT_WORK(&card->event_work, card_event_handler); | |
448 | ||
449 | st = rsxx_setup_dev(card); | |
450 | if (st) | |
451 | goto failed_create_dev; | |
452 | ||
453 | rsxx_get_card_state(card, &card->state); | |
454 | ||
455 | dev_info(CARD_TO_DEV(card), | |
456 | "card state: %s\n", | |
457 | rsxx_card_state_to_str(card->state)); | |
458 | ||
459 | /* | |
460 | * Now that the DMA Engine and devices have been setup, | |
461 | * we can enable the event interrupt(it kicks off actions in | |
462 | * those layers so we couldn't enable it right away.) | |
463 | */ | |
c206c709 | 464 | spin_lock_irq(&card->irq_lock); |
8722ff8c | 465 | rsxx_enable_ier_and_isr(card, CR_INTR_EVENT); |
c206c709 | 466 | spin_unlock_irq(&card->irq_lock); |
8722ff8c | 467 | |
468 | if (card->state == CARD_STATE_SHUTDOWN) { | |
469 | st = rsxx_issue_card_cmd(card, CARD_CMD_STARTUP); | |
470 | if (st) | |
471 | dev_crit(CARD_TO_DEV(card), | |
472 | "Failed issuing card startup\n"); | |
473 | } else if (card->state == CARD_STATE_GOOD || | |
474 | card->state == CARD_STATE_RD_ONLY_FAULT) { | |
475 | st = rsxx_get_card_size8(card, &card->size8); | |
476 | if (st) | |
477 | card->size8 = 0; | |
478 | } | |
479 | ||
480 | rsxx_attach_dev(card); | |
481 | ||
482 | return 0; | |
483 | ||
484 | failed_create_dev: | |
485 | rsxx_dma_destroy(card); | |
486 | failed_dma_setup: | |
487 | failed_compatiblity_check: | |
c206c709 | 488 | spin_lock_irq(&card->irq_lock); |
8722ff8c | 489 | rsxx_disable_ier_and_isr(card, CR_INTR_ALL); |
c206c709 | 490 | spin_unlock_irq(&card->irq_lock); |
8722ff8c | 491 | free_irq(dev->irq, card); |
492 | if (!force_legacy) | |
493 | pci_disable_msi(dev); | |
494 | failed_irq: | |
495 | pci_iounmap(dev, card->regmap); | |
496 | failed_iomap: | |
497 | pci_release_regions(dev); | |
498 | failed_request_regions: | |
499 | failed_dma_mask: | |
500 | pci_disable_device(dev); | |
501 | failed_enable: | |
502 | spin_lock(&rsxx_ida_lock); | |
503 | ida_remove(&rsxx_disk_ida, card->disk_id); | |
504 | spin_unlock(&rsxx_ida_lock); | |
505 | failed_ida_get: | |
506 | kfree(card); | |
507 | ||
508 | return st; | |
509 | } | |
510 | ||
82bed4d5 | 511 | static void rsxx_pci_remove(struct pci_dev *dev) |
8722ff8c | 512 | { |
513 | struct rsxx_cardinfo *card = pci_get_drvdata(dev); | |
514 | unsigned long flags; | |
515 | int st; | |
516 | int i; | |
517 | ||
518 | if (!card) | |
519 | return; | |
520 | ||
521 | dev_info(CARD_TO_DEV(card), | |
522 | "Removing PCI-Flash SSD.\n"); | |
523 | ||
524 | rsxx_detach_dev(card); | |
525 | ||
526 | for (i = 0; i < card->n_targets; i++) { | |
527 | spin_lock_irqsave(&card->irq_lock, flags); | |
528 | rsxx_disable_ier_and_isr(card, CR_INTR_DMA(i)); | |
529 | spin_unlock_irqrestore(&card->irq_lock, flags); | |
530 | } | |
531 | ||
532 | st = card_shutdown(card); | |
533 | if (st) | |
534 | dev_crit(CARD_TO_DEV(card), "Shutdown failed!\n"); | |
535 | ||
536 | /* Sync outstanding event handlers. */ | |
537 | spin_lock_irqsave(&card->irq_lock, flags); | |
538 | rsxx_disable_ier_and_isr(card, CR_INTR_EVENT); | |
539 | spin_unlock_irqrestore(&card->irq_lock, flags); | |
540 | ||
541 | /* Prevent work_structs from re-queuing themselves. */ | |
542 | card->halt = 1; | |
543 | ||
544 | cancel_work_sync(&card->event_work); | |
545 | ||
546 | rsxx_destroy_dev(card); | |
547 | rsxx_dma_destroy(card); | |
548 | ||
549 | spin_lock_irqsave(&card->irq_lock, flags); | |
550 | rsxx_disable_ier_and_isr(card, CR_INTR_ALL); | |
551 | spin_unlock_irqrestore(&card->irq_lock, flags); | |
552 | free_irq(dev->irq, card); | |
553 | ||
554 | if (!force_legacy) | |
555 | pci_disable_msi(dev); | |
556 | ||
557 | rsxx_creg_destroy(card); | |
558 | ||
559 | pci_iounmap(dev, card->regmap); | |
560 | ||
561 | pci_disable_device(dev); | |
562 | pci_release_regions(dev); | |
563 | ||
564 | kfree(card); | |
565 | } | |
566 | ||
567 | static int rsxx_pci_suspend(struct pci_dev *dev, pm_message_t state) | |
568 | { | |
569 | /* We don't support suspend at this time. */ | |
570 | return -ENOSYS; | |
571 | } | |
572 | ||
573 | static void rsxx_pci_shutdown(struct pci_dev *dev) | |
574 | { | |
575 | struct rsxx_cardinfo *card = pci_get_drvdata(dev); | |
576 | unsigned long flags; | |
577 | int i; | |
578 | ||
579 | if (!card) | |
580 | return; | |
581 | ||
582 | dev_info(CARD_TO_DEV(card), "Shutting down PCI-Flash SSD.\n"); | |
583 | ||
584 | rsxx_detach_dev(card); | |
585 | ||
586 | for (i = 0; i < card->n_targets; i++) { | |
587 | spin_lock_irqsave(&card->irq_lock, flags); | |
588 | rsxx_disable_ier_and_isr(card, CR_INTR_DMA(i)); | |
589 | spin_unlock_irqrestore(&card->irq_lock, flags); | |
590 | } | |
591 | ||
592 | card_shutdown(card); | |
593 | } | |
594 | ||
595 | static DEFINE_PCI_DEVICE_TABLE(rsxx_pci_ids) = { | |
596 | {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS70_FLASH)}, | |
597 | {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS70D_FLASH)}, | |
598 | {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS80_FLASH)}, | |
599 | {PCI_DEVICE(PCI_VENDOR_ID_TMS_IBM, PCI_DEVICE_ID_RS81_FLASH)}, | |
600 | {0,}, | |
601 | }; | |
602 | ||
603 | MODULE_DEVICE_TABLE(pci, rsxx_pci_ids); | |
604 | ||
605 | static struct pci_driver rsxx_pci_driver = { | |
606 | .name = DRIVER_NAME, | |
607 | .id_table = rsxx_pci_ids, | |
608 | .probe = rsxx_pci_probe, | |
82bed4d5 | 609 | .remove = rsxx_pci_remove, |
8722ff8c | 610 | .suspend = rsxx_pci_suspend, |
611 | .shutdown = rsxx_pci_shutdown, | |
612 | }; | |
613 | ||
614 | static int __init rsxx_core_init(void) | |
615 | { | |
616 | int st; | |
617 | ||
618 | st = rsxx_dev_init(); | |
619 | if (st) | |
620 | return st; | |
621 | ||
622 | st = rsxx_dma_init(); | |
623 | if (st) | |
624 | goto dma_init_failed; | |
625 | ||
626 | st = rsxx_creg_init(); | |
627 | if (st) | |
628 | goto creg_init_failed; | |
629 | ||
630 | return pci_register_driver(&rsxx_pci_driver); | |
631 | ||
632 | creg_init_failed: | |
633 | rsxx_dma_cleanup(); | |
634 | dma_init_failed: | |
635 | rsxx_dev_cleanup(); | |
636 | ||
637 | return st; | |
638 | } | |
639 | ||
640 | static void __exit rsxx_core_cleanup(void) | |
641 | { | |
642 | pci_unregister_driver(&rsxx_pci_driver); | |
643 | rsxx_creg_cleanup(); | |
644 | rsxx_dma_cleanup(); | |
645 | rsxx_dev_cleanup(); | |
646 | } | |
647 | ||
648 | module_init(rsxx_core_init); | |
649 | module_exit(rsxx_core_cleanup); |