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9#include <linux/module.h>
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/pci.h>
13#include <linux/delay.h>
14#include <linux/firmware.h>
15#include <linux/slab.h>
16
17#include <scsi/scsi_host.h>
18
19#include "aic94xx.h"
20#include "aic94xx_reg.h"
21#include "aic94xx_hwi.h"
22#include "aic94xx_seq.h"
23#include "aic94xx_sds.h"
24
25
26#define ASD_DRIVER_VERSION "1.0.3"
27
28static int use_msi = 0;
29module_param_named(use_msi, use_msi, int, S_IRUGO);
30MODULE_PARM_DESC(use_msi, "\n"
31 "\tEnable(1) or disable(0) using PCI MSI.\n"
32 "\tDefault: 0");
33
34static struct scsi_transport_template *aic94xx_transport_template;
35static int asd_scan_finished(struct Scsi_Host *, unsigned long);
36static void asd_scan_start(struct Scsi_Host *);
37
38static struct scsi_host_template aic94xx_sht = {
39 .module = THIS_MODULE,
40
41 .name = "aic94xx",
42 .queuecommand = sas_queuecommand,
43 .dma_need_drain = ata_scsi_dma_need_drain,
44 .target_alloc = sas_target_alloc,
45 .slave_configure = sas_slave_configure,
46 .scan_finished = asd_scan_finished,
47 .scan_start = asd_scan_start,
48 .change_queue_depth = sas_change_queue_depth,
49 .bios_param = sas_bios_param,
50 .can_queue = 1,
51 .this_id = -1,
52 .sg_tablesize = SG_ALL,
53 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
54 .eh_device_reset_handler = sas_eh_device_reset_handler,
55 .eh_target_reset_handler = sas_eh_target_reset_handler,
56 .slave_alloc = sas_slave_alloc,
57 .target_destroy = sas_target_destroy,
58 .ioctl = sas_ioctl,
59#ifdef CONFIG_COMPAT
60 .compat_ioctl = sas_ioctl,
61#endif
62 .track_queue_depth = 1,
63};
64
65static int asd_map_memio(struct asd_ha_struct *asd_ha)
66{
67 int err, i;
68 struct asd_ha_addrspace *io_handle;
69
70 asd_ha->iospace = 0;
71 for (i = 0; i < 3; i += 2) {
72 io_handle = &asd_ha->io_handle[i==0?0:1];
73 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
74 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
75 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
76 err = -ENODEV;
77 if (!io_handle->start || !io_handle->len) {
78 asd_printk("MBAR%d start or length for %s is 0.\n",
79 i==0?0:1, pci_name(asd_ha->pcidev));
80 goto Err;
81 }
82 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
83 if (err) {
84 asd_printk("couldn't reserve memory region for %s\n",
85 pci_name(asd_ha->pcidev));
86 goto Err;
87 }
88 io_handle->addr = ioremap(io_handle->start, io_handle->len);
89 if (!io_handle->addr) {
90 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
91 pci_name(asd_ha->pcidev));
92 err = -ENOMEM;
93 goto Err_unreq;
94 }
95 }
96
97 return 0;
98Err_unreq:
99 pci_release_region(asd_ha->pcidev, i);
100Err:
101 if (i > 0) {
102 io_handle = &asd_ha->io_handle[0];
103 iounmap(io_handle->addr);
104 pci_release_region(asd_ha->pcidev, 0);
105 }
106 return err;
107}
108
109static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
110{
111 struct asd_ha_addrspace *io_handle;
112
113 io_handle = &asd_ha->io_handle[1];
114 iounmap(io_handle->addr);
115 pci_release_region(asd_ha->pcidev, 2);
116
117 io_handle = &asd_ha->io_handle[0];
118 iounmap(io_handle->addr);
119 pci_release_region(asd_ha->pcidev, 0);
120}
121
122static int asd_map_ioport(struct asd_ha_struct *asd_ha)
123{
124 int i = PCI_IOBAR_OFFSET, err;
125 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
126
127 asd_ha->iospace = 1;
128 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
129 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
130 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
131 io_handle->addr = (void __iomem *) io_handle->start;
132 if (!io_handle->start || !io_handle->len) {
133 asd_printk("couldn't get IO ports for %s\n",
134 pci_name(asd_ha->pcidev));
135 return -ENODEV;
136 }
137 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
138 if (err) {
139 asd_printk("couldn't reserve io space for %s\n",
140 pci_name(asd_ha->pcidev));
141 }
142
143 return err;
144}
145
146static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
147{
148 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
149}
150
151static int asd_map_ha(struct asd_ha_struct *asd_ha)
152{
153 int err;
154 u16 cmd_reg;
155
156 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
157 if (err) {
158 asd_printk("couldn't read command register of %s\n",
159 pci_name(asd_ha->pcidev));
160 goto Err;
161 }
162
163 err = -ENODEV;
164 if (cmd_reg & PCI_COMMAND_MEMORY) {
165 if ((err = asd_map_memio(asd_ha)))
166 goto Err;
167 } else if (cmd_reg & PCI_COMMAND_IO) {
168 if ((err = asd_map_ioport(asd_ha)))
169 goto Err;
170 asd_printk("%s ioport mapped -- upgrade your hardware\n",
171 pci_name(asd_ha->pcidev));
172 } else {
173 asd_printk("no proper device access to %s\n",
174 pci_name(asd_ha->pcidev));
175 goto Err;
176 }
177
178 return 0;
179Err:
180 return err;
181}
182
183static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
184{
185 if (asd_ha->iospace)
186 asd_unmap_ioport(asd_ha);
187 else
188 asd_unmap_memio(asd_ha);
189}
190
191static const char *asd_dev_rev[30] = {
192 [0] = "A0",
193 [1] = "A1",
194 [8] = "B0",
195};
196
197static int asd_common_setup(struct asd_ha_struct *asd_ha)
198{
199 int err, i;
200
201 asd_ha->revision_id = asd_ha->pcidev->revision;
202
203 err = -ENODEV;
204 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
205 asd_printk("%s is revision %s (%X), which is not supported\n",
206 pci_name(asd_ha->pcidev),
207 asd_dev_rev[asd_ha->revision_id],
208 asd_ha->revision_id);
209 goto Err;
210 }
211
212 asd_ha->hw_prof.max_scbs = 512;
213 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
214 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
215
216 asd_ha->hw_prof.enabled_phys = 0xFF;
217 for (i = 0; i < ASD_MAX_PHYS; i++) {
218 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
219 SAS_LINK_RATE_3_0_GBPS;
220 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
221 SAS_LINK_RATE_1_5_GBPS;
222 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
223 SAS_LINK_RATE_1_5_GBPS;
224 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
225 SAS_LINK_RATE_1_5_GBPS;
226 }
227
228 return 0;
229Err:
230 return err;
231}
232
233static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
234{
235 int err = asd_common_setup(asd_ha);
236
237 if (err)
238 return err;
239
240 asd_ha->hw_prof.addr_range = 8;
241 asd_ha->hw_prof.port_name_base = 0;
242 asd_ha->hw_prof.dev_name_base = 8;
243 asd_ha->hw_prof.sata_name_base = 16;
244
245 return 0;
246}
247
248static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
249{
250 int err = asd_common_setup(asd_ha);
251
252 if (err)
253 return err;
254
255 asd_ha->hw_prof.addr_range = 4;
256 asd_ha->hw_prof.port_name_base = 0;
257 asd_ha->hw_prof.dev_name_base = 4;
258 asd_ha->hw_prof.sata_name_base = 8;
259
260 return 0;
261}
262
263static ssize_t asd_show_dev_rev(struct device *dev,
264 struct device_attribute *attr, char *buf)
265{
266 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
267 return snprintf(buf, PAGE_SIZE, "%s\n",
268 asd_dev_rev[asd_ha->revision_id]);
269}
270static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
271
272static ssize_t asd_show_dev_bios_build(struct device *dev,
273 struct device_attribute *attr,char *buf)
274{
275 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
276 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
277}
278static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
279
280static ssize_t asd_show_dev_pcba_sn(struct device *dev,
281 struct device_attribute *attr, char *buf)
282{
283 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
284 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
285}
286static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
287
288#define FLASH_CMD_NONE 0x00
289#define FLASH_CMD_UPDATE 0x01
290#define FLASH_CMD_VERIFY 0x02
291
292struct flash_command {
293 u8 command[8];
294 int code;
295};
296
297static struct flash_command flash_command_table[] =
298{
299 {"verify", FLASH_CMD_VERIFY},
300 {"update", FLASH_CMD_UPDATE},
301 {"", FLASH_CMD_NONE}
302};
303
304struct error_bios {
305 char *reason;
306 int err_code;
307};
308
309static struct error_bios flash_error_table[] =
310{
311 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
312 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
313 {"Checksum mismatch", FAIL_CHECK_SUM},
314 {"Unknown Error", FAIL_UNKNOWN},
315 {"Failed to verify.", FAIL_VERIFY},
316 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
317 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
318 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
319 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
320 {"Flash in progress", FLASH_IN_PROGRESS},
321 {"Image file size Error", FAIL_FILE_SIZE},
322 {"Input parameter error", FAIL_PARAMETERS},
323 {"Out of memory", FAIL_OUT_MEMORY},
324 {"OK", 0}
325};
326
327static ssize_t asd_store_update_bios(struct device *dev,
328 struct device_attribute *attr,
329 const char *buf, size_t count)
330{
331 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
332 char *cmd_ptr, *filename_ptr;
333 struct bios_file_header header, *hdr_ptr;
334 int res, i;
335 u32 csum = 0;
336 int flash_command = FLASH_CMD_NONE;
337 int err = 0;
338
339 cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
340
341 if (!cmd_ptr) {
342 err = FAIL_OUT_MEMORY;
343 goto out;
344 }
345
346 filename_ptr = cmd_ptr + count;
347 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
348 if (res != 2) {
349 err = FAIL_PARAMETERS;
350 goto out1;
351 }
352
353 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
354 if (!memcmp(flash_command_table[i].command,
355 cmd_ptr, strlen(cmd_ptr))) {
356 flash_command = flash_command_table[i].code;
357 break;
358 }
359 }
360 if (flash_command == FLASH_CMD_NONE) {
361 err = FAIL_PARAMETERS;
362 goto out1;
363 }
364
365 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
366 err = FLASH_IN_PROGRESS;
367 goto out1;
368 }
369 err = request_firmware(&asd_ha->bios_image,
370 filename_ptr,
371 &asd_ha->pcidev->dev);
372 if (err) {
373 asd_printk("Failed to load bios image file %s, error %d\n",
374 filename_ptr, err);
375 err = FAIL_OPEN_BIOS_FILE;
376 goto out1;
377 }
378
379 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
380
381 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
382 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
383 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
384 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
385
386 ASD_DPRINTK("The PCI vendor or device id does not match\n");
387 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
388 " pci vendor=%x pci dev=%x\n",
389 hdr_ptr->contrl_id.vendor,
390 hdr_ptr->contrl_id.device,
391 hdr_ptr->contrl_id.sub_vendor,
392 hdr_ptr->contrl_id.sub_device,
393 asd_ha->pcidev->vendor,
394 asd_ha->pcidev->device);
395 err = FAIL_CHECK_PCI_ID;
396 goto out2;
397 }
398
399 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
400 err = FAIL_FILE_SIZE;
401 goto out2;
402 }
403
404
405 for (i = 0; i < hdr_ptr->filelen; i++)
406 csum += asd_ha->bios_image->data[i];
407
408 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
409 ASD_DPRINTK("BIOS file checksum mismatch\n");
410 err = FAIL_CHECK_SUM;
411 goto out2;
412 }
413 if (flash_command == FLASH_CMD_UPDATE) {
414 asd_ha->bios_status = FLASH_IN_PROGRESS;
415 err = asd_write_flash_seg(asd_ha,
416 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
417 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
418 if (!err)
419 err = asd_verify_flash_seg(asd_ha,
420 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
421 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
422 } else {
423 asd_ha->bios_status = FLASH_IN_PROGRESS;
424 err = asd_verify_flash_seg(asd_ha,
425 &asd_ha->bios_image->data[sizeof(header)],
426 0, hdr_ptr->filelen-sizeof(header));
427 }
428
429out2:
430 release_firmware(asd_ha->bios_image);
431out1:
432 kfree(cmd_ptr);
433out:
434 asd_ha->bios_status = err;
435
436 if (!err)
437 return count;
438 else
439 return -err;
440}
441
442static ssize_t asd_show_update_bios(struct device *dev,
443 struct device_attribute *attr, char *buf)
444{
445 int i;
446 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
447
448 for (i = 0; flash_error_table[i].err_code != 0; i++) {
449 if (flash_error_table[i].err_code == asd_ha->bios_status)
450 break;
451 }
452 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
453 asd_ha->bios_status = FLASH_OK;
454
455 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
456 flash_error_table[i].err_code,
457 flash_error_table[i].reason);
458}
459
460static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
461 asd_show_update_bios, asd_store_update_bios);
462
463static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
464{
465 int err;
466
467 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
468 if (err)
469 return err;
470
471 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
472 if (err)
473 goto err_rev;
474
475 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
476 if (err)
477 goto err_biosb;
478 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
479 if (err)
480 goto err_update_bios;
481
482 return 0;
483
484err_update_bios:
485 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
486err_biosb:
487 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
488err_rev:
489 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
490 return err;
491}
492
493static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
494{
495 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
496 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
497 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
498 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
499}
500
501
502
503
504static const struct asd_pcidev_struct {
505 const char * name;
506 int (*setup)(struct asd_ha_struct *asd_ha);
507} asd_pcidev_data[] = {
508
509 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
510 .setup = asd_aic9410_setup
511 },
512 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
513 .setup = asd_aic9410_setup
514 },
515 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
516 .setup = asd_aic9405_setup
517 },
518};
519
520static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
521{
522 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
523 &asd_ha->pcidev->dev,
524 sizeof(struct scb),
525 8, 0);
526 if (!asd_ha->scb_pool) {
527 asd_printk("couldn't create scb pool\n");
528 return -ENOMEM;
529 }
530
531 return 0;
532}
533
534
535
536
537
538static void asd_free_edbs(struct asd_ha_struct *asd_ha)
539{
540 struct asd_seq_data *seq = &asd_ha->seq;
541 int i;
542
543 for (i = 0; i < seq->num_edbs; i++)
544 asd_free_coherent(asd_ha, seq->edb_arr[i]);
545 kfree(seq->edb_arr);
546 seq->edb_arr = NULL;
547}
548
549static void asd_free_escbs(struct asd_ha_struct *asd_ha)
550{
551 struct asd_seq_data *seq = &asd_ha->seq;
552 int i;
553
554 for (i = 0; i < seq->num_escbs; i++) {
555 if (!list_empty(&seq->escb_arr[i]->list))
556 list_del_init(&seq->escb_arr[i]->list);
557
558 asd_ascb_free(seq->escb_arr[i]);
559 }
560 kfree(seq->escb_arr);
561 seq->escb_arr = NULL;
562}
563
564static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
565{
566 int i;
567
568 if (asd_ha->hw_prof.ddb_ext)
569 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
570 if (asd_ha->hw_prof.scb_ext)
571 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
572
573 kfree(asd_ha->hw_prof.ddb_bitmap);
574 asd_ha->hw_prof.ddb_bitmap = NULL;
575
576 for (i = 0; i < ASD_MAX_PHYS; i++) {
577 struct asd_phy *phy = &asd_ha->phys[i];
578
579 asd_free_coherent(asd_ha, phy->id_frm_tok);
580 }
581 if (asd_ha->seq.escb_arr)
582 asd_free_escbs(asd_ha);
583 if (asd_ha->seq.edb_arr)
584 asd_free_edbs(asd_ha);
585 if (asd_ha->hw_prof.ue.area) {
586 kfree(asd_ha->hw_prof.ue.area);
587 asd_ha->hw_prof.ue.area = NULL;
588 }
589 if (asd_ha->seq.tc_index_array) {
590 kfree(asd_ha->seq.tc_index_array);
591 kfree(asd_ha->seq.tc_index_bitmap);
592 asd_ha->seq.tc_index_array = NULL;
593 asd_ha->seq.tc_index_bitmap = NULL;
594 }
595 if (asd_ha->seq.actual_dl) {
596 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
597 asd_ha->seq.actual_dl = NULL;
598 asd_ha->seq.dl = NULL;
599 }
600 if (asd_ha->seq.next_scb.vaddr) {
601 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
602 asd_ha->seq.next_scb.dma_handle);
603 asd_ha->seq.next_scb.vaddr = NULL;
604 }
605 dma_pool_destroy(asd_ha->scb_pool);
606 asd_ha->scb_pool = NULL;
607}
608
609struct kmem_cache *asd_dma_token_cache;
610struct kmem_cache *asd_ascb_cache;
611
612static int asd_create_global_caches(void)
613{
614 if (!asd_dma_token_cache) {
615 asd_dma_token_cache
616 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
617 sizeof(struct asd_dma_tok),
618 0,
619 SLAB_HWCACHE_ALIGN,
620 NULL);
621 if (!asd_dma_token_cache) {
622 asd_printk("couldn't create dma token cache\n");
623 return -ENOMEM;
624 }
625 }
626
627 if (!asd_ascb_cache) {
628 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
629 sizeof(struct asd_ascb),
630 0,
631 SLAB_HWCACHE_ALIGN,
632 NULL);
633 if (!asd_ascb_cache) {
634 asd_printk("couldn't create ascb cache\n");
635 goto Err;
636 }
637 }
638
639 return 0;
640Err:
641 kmem_cache_destroy(asd_dma_token_cache);
642 asd_dma_token_cache = NULL;
643 return -ENOMEM;
644}
645
646static void asd_destroy_global_caches(void)
647{
648 kmem_cache_destroy(asd_dma_token_cache);
649 asd_dma_token_cache = NULL;
650
651 kmem_cache_destroy(asd_ascb_cache);
652 asd_ascb_cache = NULL;
653}
654
655static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
656{
657 int i;
658 struct asd_sas_phy **sas_phys =
659 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
660 struct asd_sas_port **sas_ports =
661 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
662
663 if (!sas_phys || !sas_ports) {
664 kfree(sas_phys);
665 kfree(sas_ports);
666 return -ENOMEM;
667 }
668
669 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
670 asd_ha->sas_ha.lldd_module = THIS_MODULE;
671 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
672
673 for (i = 0; i < ASD_MAX_PHYS; i++) {
674 sas_phys[i] = &asd_ha->phys[i].sas_phy;
675 sas_ports[i] = &asd_ha->ports[i];
676 }
677
678 asd_ha->sas_ha.sas_phy = sas_phys;
679 asd_ha->sas_ha.sas_port= sas_ports;
680 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
681
682 return sas_register_ha(&asd_ha->sas_ha);
683}
684
685static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
686{
687 int err;
688
689 err = sas_unregister_ha(&asd_ha->sas_ha);
690
691 sas_remove_host(asd_ha->sas_ha.core.shost);
692 scsi_host_put(asd_ha->sas_ha.core.shost);
693
694 kfree(asd_ha->sas_ha.sas_phy);
695 kfree(asd_ha->sas_ha.sas_port);
696
697 return err;
698}
699
700static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
701{
702 const struct asd_pcidev_struct *asd_dev;
703 unsigned asd_id = (unsigned) id->driver_data;
704 struct asd_ha_struct *asd_ha;
705 struct Scsi_Host *shost;
706 int err;
707
708 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
709 asd_printk("wrong driver_data in PCI table\n");
710 return -ENODEV;
711 }
712
713 if ((err = pci_enable_device(dev))) {
714 asd_printk("couldn't enable device %s\n", pci_name(dev));
715 return err;
716 }
717
718 pci_set_master(dev);
719
720 err = -ENOMEM;
721
722 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
723 if (!shost)
724 goto Err;
725
726 asd_dev = &asd_pcidev_data[asd_id];
727
728 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
729 if (!asd_ha) {
730 asd_printk("out of memory\n");
731 goto Err_put;
732 }
733 asd_ha->pcidev = dev;
734 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
735 asd_ha->sas_ha.lldd_ha = asd_ha;
736
737 asd_ha->bios_status = FLASH_OK;
738 asd_ha->name = asd_dev->name;
739 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
740
741 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
742 asd_ha->sas_ha.core.shost = shost;
743 shost->transportt = aic94xx_transport_template;
744 shost->max_id = ~0;
745 shost->max_lun = ~0;
746 shost->max_cmd_len = 16;
747
748 err = scsi_add_host(shost, &dev->dev);
749 if (err)
750 goto Err_free;
751
752 err = asd_dev->setup(asd_ha);
753 if (err)
754 goto Err_remove;
755
756 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
757 if (err)
758 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
759 if (err) {
760 err = -ENODEV;
761 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
762 goto Err_remove;
763 }
764
765 pci_set_drvdata(dev, asd_ha);
766
767 err = asd_map_ha(asd_ha);
768 if (err)
769 goto Err_remove;
770
771 err = asd_create_ha_caches(asd_ha);
772 if (err)
773 goto Err_unmap;
774
775 err = asd_init_hw(asd_ha);
776 if (err)
777 goto Err_free_cache;
778
779 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
780 "phys, flash %s, BIOS %s%d\n",
781 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
782 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
783 asd_ha->hw_prof.num_phys,
784 asd_ha->hw_prof.flash.present ? "present" : "not present",
785 asd_ha->hw_prof.bios.present ? "build " : "not present",
786 asd_ha->hw_prof.bios.bld);
787
788 shost->can_queue = asd_ha->seq.can_queue;
789
790 if (use_msi)
791 pci_enable_msi(asd_ha->pcidev);
792
793 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
794 ASD_DRIVER_NAME, asd_ha);
795 if (err) {
796 asd_printk("couldn't get irq %d for %s\n",
797 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
798 goto Err_irq;
799 }
800 asd_enable_ints(asd_ha);
801
802 err = asd_init_post_escbs(asd_ha);
803 if (err) {
804 asd_printk("couldn't post escbs for %s\n",
805 pci_name(asd_ha->pcidev));
806 goto Err_escbs;
807 }
808 ASD_DPRINTK("escbs posted\n");
809
810 err = asd_create_dev_attrs(asd_ha);
811 if (err)
812 goto Err_dev_attrs;
813
814 err = asd_register_sas_ha(asd_ha);
815 if (err)
816 goto Err_reg_sas;
817
818 scsi_scan_host(shost);
819
820 return 0;
821
822Err_reg_sas:
823 asd_remove_dev_attrs(asd_ha);
824Err_dev_attrs:
825Err_escbs:
826 asd_disable_ints(asd_ha);
827 free_irq(dev->irq, asd_ha);
828Err_irq:
829 if (use_msi)
830 pci_disable_msi(dev);
831 asd_chip_hardrst(asd_ha);
832Err_free_cache:
833 asd_destroy_ha_caches(asd_ha);
834Err_unmap:
835 asd_unmap_ha(asd_ha);
836Err_remove:
837 scsi_remove_host(shost);
838Err_free:
839 kfree(asd_ha);
840Err_put:
841 scsi_host_put(shost);
842Err:
843 pci_disable_device(dev);
844 return err;
845}
846
847static void asd_free_queues(struct asd_ha_struct *asd_ha)
848{
849 unsigned long flags;
850 LIST_HEAD(pending);
851 struct list_head *n, *pos;
852
853 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
854 asd_ha->seq.pending = 0;
855 list_splice_init(&asd_ha->seq.pend_q, &pending);
856 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
857
858 if (!list_empty(&pending))
859 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
860
861 list_for_each_safe(pos, n, &pending) {
862 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
863
864
865
866
867
868
869 del_timer_sync(&ascb->timer);
870 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
871
872 list_del_init(pos);
873 ASD_DPRINTK("freeing from pending\n");
874 asd_ascb_free(ascb);
875 }
876}
877
878static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
879{
880 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
881 u8 i;
882
883 for_each_phy(phy_mask, phy_mask, i) {
884 asd_turn_led(asd_ha, i, 0);
885 asd_control_led(asd_ha, i, 0);
886 }
887}
888
889static void asd_pci_remove(struct pci_dev *dev)
890{
891 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
892
893 if (!asd_ha)
894 return;
895
896 asd_unregister_sas_ha(asd_ha);
897
898 asd_disable_ints(asd_ha);
899
900 asd_remove_dev_attrs(asd_ha);
901
902
903
904 free_irq(dev->irq, asd_ha);
905 if (use_msi)
906 pci_disable_msi(asd_ha->pcidev);
907 asd_turn_off_leds(asd_ha);
908 asd_chip_hardrst(asd_ha);
909 asd_free_queues(asd_ha);
910 asd_destroy_ha_caches(asd_ha);
911 asd_unmap_ha(asd_ha);
912 kfree(asd_ha);
913 pci_disable_device(dev);
914 return;
915}
916
917static void asd_scan_start(struct Scsi_Host *shost)
918{
919 struct asd_ha_struct *asd_ha;
920 int err;
921
922 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
923 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
924 if (err)
925 asd_printk("Couldn't enable phys, err:%d\n", err);
926}
927
928static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
929{
930
931
932 if (time < HZ)
933 return 0;
934
935 sas_drain_work(SHOST_TO_SAS_HA(shost));
936 return 1;
937}
938
939static ssize_t version_show(struct device_driver *driver, char *buf)
940{
941 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
942}
943static DRIVER_ATTR_RO(version);
944
945static int asd_create_driver_attrs(struct device_driver *driver)
946{
947 return driver_create_file(driver, &driver_attr_version);
948}
949
950static void asd_remove_driver_attrs(struct device_driver *driver)
951{
952 driver_remove_file(driver, &driver_attr_version);
953}
954
955static struct sas_domain_function_template aic94xx_transport_functions = {
956 .lldd_dev_found = asd_dev_found,
957 .lldd_dev_gone = asd_dev_gone,
958
959 .lldd_execute_task = asd_execute_task,
960
961 .lldd_abort_task = asd_abort_task,
962 .lldd_abort_task_set = asd_abort_task_set,
963 .lldd_clear_aca = asd_clear_aca,
964 .lldd_clear_task_set = asd_clear_task_set,
965 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
966 .lldd_lu_reset = asd_lu_reset,
967 .lldd_query_task = asd_query_task,
968
969 .lldd_clear_nexus_port = asd_clear_nexus_port,
970 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
971
972 .lldd_control_phy = asd_control_phy,
973
974 .lldd_ata_set_dmamode = asd_set_dmamode,
975};
976
977static const struct pci_device_id aic94xx_pci_table[] = {
978 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
979 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
980 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
981 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
982 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
983 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
984 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
985 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
986 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
987 {}
988};
989
990MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
991
992static struct pci_driver aic94xx_pci_driver = {
993 .name = ASD_DRIVER_NAME,
994 .id_table = aic94xx_pci_table,
995 .probe = asd_pci_probe,
996 .remove = asd_pci_remove,
997};
998
999static int __init aic94xx_init(void)
1000{
1001 int err;
1002
1003
1004 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1005 ASD_DRIVER_VERSION);
1006
1007 err = asd_create_global_caches();
1008 if (err)
1009 return err;
1010
1011 aic94xx_transport_template =
1012 sas_domain_attach_transport(&aic94xx_transport_functions);
1013 if (!aic94xx_transport_template) {
1014 err = -ENOMEM;
1015 goto out_destroy_caches;
1016 }
1017
1018 err = pci_register_driver(&aic94xx_pci_driver);
1019 if (err)
1020 goto out_release_transport;
1021
1022 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1023 if (err)
1024 goto out_unregister_pcidrv;
1025
1026 return err;
1027
1028 out_unregister_pcidrv:
1029 pci_unregister_driver(&aic94xx_pci_driver);
1030 out_release_transport:
1031 sas_release_transport(aic94xx_transport_template);
1032 out_destroy_caches:
1033 asd_destroy_global_caches();
1034
1035 return err;
1036}
1037
1038static void __exit aic94xx_exit(void)
1039{
1040 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1041 pci_unregister_driver(&aic94xx_pci_driver);
1042 sas_release_transport(aic94xx_transport_template);
1043 asd_release_firmware();
1044 asd_destroy_global_caches();
1045 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1046 ASD_DRIVER_VERSION);
1047}
1048
1049module_init(aic94xx_init);
1050module_exit(aic94xx_exit);
1051
1052MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1053MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1054MODULE_LICENSE("GPL v2");
1055MODULE_VERSION(ASD_DRIVER_VERSION);
1056
