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27#include <linux/module.h>
28#include <linux/init.h>
29#include <linux/kernel.h>
30#include <linux/pci.h>
31#include <linux/delay.h>
32#include <linux/firmware.h>
33#include <linux/slab.h>
34
35#include <scsi/scsi_host.h>
36
37#include "aic94xx.h"
38#include "aic94xx_reg.h"
39#include "aic94xx_hwi.h"
40#include "aic94xx_seq.h"
41#include "aic94xx_sds.h"
42
43
44#define ASD_DRIVER_VERSION "1.0.3"
45
46static int use_msi = 0;
47module_param_named(use_msi, use_msi, int, S_IRUGO);
48MODULE_PARM_DESC(use_msi, "\n"
49 "\tEnable(1) or disable(0) using PCI MSI.\n"
50 "\tDefault: 0");
51
52static struct scsi_transport_template *aic94xx_transport_template;
53static int asd_scan_finished(struct Scsi_Host *, unsigned long);
54static void asd_scan_start(struct Scsi_Host *);
55
56static struct scsi_host_template aic94xx_sht = {
57 .module = THIS_MODULE,
58
59 .name = "aic94xx",
60 .queuecommand = sas_queuecommand,
61 .target_alloc = sas_target_alloc,
62 .slave_configure = sas_slave_configure,
63 .scan_finished = asd_scan_finished,
64 .scan_start = asd_scan_start,
65 .change_queue_depth = sas_change_queue_depth,
66 .bios_param = sas_bios_param,
67 .can_queue = 1,
68 .this_id = -1,
69 .sg_tablesize = SG_ALL,
70 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
71 .eh_device_reset_handler = sas_eh_device_reset_handler,
72 .eh_target_reset_handler = sas_eh_target_reset_handler,
73 .target_destroy = sas_target_destroy,
74 .ioctl = sas_ioctl,
75 .track_queue_depth = 1,
76};
77
78static int asd_map_memio(struct asd_ha_struct *asd_ha)
79{
80 int err, i;
81 struct asd_ha_addrspace *io_handle;
82
83 asd_ha->iospace = 0;
84 for (i = 0; i < 3; i += 2) {
85 io_handle = &asd_ha->io_handle[i==0?0:1];
86 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
87 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
88 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
89 err = -ENODEV;
90 if (!io_handle->start || !io_handle->len) {
91 asd_printk("MBAR%d start or length for %s is 0.\n",
92 i==0?0:1, pci_name(asd_ha->pcidev));
93 goto Err;
94 }
95 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
96 if (err) {
97 asd_printk("couldn't reserve memory region for %s\n",
98 pci_name(asd_ha->pcidev));
99 goto Err;
100 }
101 io_handle->addr = ioremap(io_handle->start, io_handle->len);
102 if (!io_handle->addr) {
103 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
104 pci_name(asd_ha->pcidev));
105 err = -ENOMEM;
106 goto Err_unreq;
107 }
108 }
109
110 return 0;
111Err_unreq:
112 pci_release_region(asd_ha->pcidev, i);
113Err:
114 if (i > 0) {
115 io_handle = &asd_ha->io_handle[0];
116 iounmap(io_handle->addr);
117 pci_release_region(asd_ha->pcidev, 0);
118 }
119 return err;
120}
121
122static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
123{
124 struct asd_ha_addrspace *io_handle;
125
126 io_handle = &asd_ha->io_handle[1];
127 iounmap(io_handle->addr);
128 pci_release_region(asd_ha->pcidev, 2);
129
130 io_handle = &asd_ha->io_handle[0];
131 iounmap(io_handle->addr);
132 pci_release_region(asd_ha->pcidev, 0);
133}
134
135static int asd_map_ioport(struct asd_ha_struct *asd_ha)
136{
137 int i = PCI_IOBAR_OFFSET, err;
138 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
139
140 asd_ha->iospace = 1;
141 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
142 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
143 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
144 io_handle->addr = (void __iomem *) io_handle->start;
145 if (!io_handle->start || !io_handle->len) {
146 asd_printk("couldn't get IO ports for %s\n",
147 pci_name(asd_ha->pcidev));
148 return -ENODEV;
149 }
150 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
151 if (err) {
152 asd_printk("couldn't reserve io space for %s\n",
153 pci_name(asd_ha->pcidev));
154 }
155
156 return err;
157}
158
159static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
160{
161 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
162}
163
164static int asd_map_ha(struct asd_ha_struct *asd_ha)
165{
166 int err;
167 u16 cmd_reg;
168
169 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
170 if (err) {
171 asd_printk("couldn't read command register of %s\n",
172 pci_name(asd_ha->pcidev));
173 goto Err;
174 }
175
176 err = -ENODEV;
177 if (cmd_reg & PCI_COMMAND_MEMORY) {
178 if ((err = asd_map_memio(asd_ha)))
179 goto Err;
180 } else if (cmd_reg & PCI_COMMAND_IO) {
181 if ((err = asd_map_ioport(asd_ha)))
182 goto Err;
183 asd_printk("%s ioport mapped -- upgrade your hardware\n",
184 pci_name(asd_ha->pcidev));
185 } else {
186 asd_printk("no proper device access to %s\n",
187 pci_name(asd_ha->pcidev));
188 goto Err;
189 }
190
191 return 0;
192Err:
193 return err;
194}
195
196static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
197{
198 if (asd_ha->iospace)
199 asd_unmap_ioport(asd_ha);
200 else
201 asd_unmap_memio(asd_ha);
202}
203
204static const char *asd_dev_rev[30] = {
205 [0] = "A0",
206 [1] = "A1",
207 [8] = "B0",
208};
209
210static int asd_common_setup(struct asd_ha_struct *asd_ha)
211{
212 int err, i;
213
214 asd_ha->revision_id = asd_ha->pcidev->revision;
215
216 err = -ENODEV;
217 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
218 asd_printk("%s is revision %s (%X), which is not supported\n",
219 pci_name(asd_ha->pcidev),
220 asd_dev_rev[asd_ha->revision_id],
221 asd_ha->revision_id);
222 goto Err;
223 }
224
225 asd_ha->hw_prof.max_scbs = 512;
226 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
227 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
228
229 asd_ha->hw_prof.enabled_phys = 0xFF;
230 for (i = 0; i < ASD_MAX_PHYS; i++) {
231 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
232 SAS_LINK_RATE_3_0_GBPS;
233 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
234 SAS_LINK_RATE_1_5_GBPS;
235 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
236 SAS_LINK_RATE_1_5_GBPS;
237 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
238 SAS_LINK_RATE_1_5_GBPS;
239 }
240
241 return 0;
242Err:
243 return err;
244}
245
246static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
247{
248 int err = asd_common_setup(asd_ha);
249
250 if (err)
251 return err;
252
253 asd_ha->hw_prof.addr_range = 8;
254 asd_ha->hw_prof.port_name_base = 0;
255 asd_ha->hw_prof.dev_name_base = 8;
256 asd_ha->hw_prof.sata_name_base = 16;
257
258 return 0;
259}
260
261static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
262{
263 int err = asd_common_setup(asd_ha);
264
265 if (err)
266 return err;
267
268 asd_ha->hw_prof.addr_range = 4;
269 asd_ha->hw_prof.port_name_base = 0;
270 asd_ha->hw_prof.dev_name_base = 4;
271 asd_ha->hw_prof.sata_name_base = 8;
272
273 return 0;
274}
275
276static ssize_t asd_show_dev_rev(struct device *dev,
277 struct device_attribute *attr, char *buf)
278{
279 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
280 return snprintf(buf, PAGE_SIZE, "%s\n",
281 asd_dev_rev[asd_ha->revision_id]);
282}
283static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
284
285static ssize_t asd_show_dev_bios_build(struct device *dev,
286 struct device_attribute *attr,char *buf)
287{
288 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
289 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
290}
291static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
292
293static ssize_t asd_show_dev_pcba_sn(struct device *dev,
294 struct device_attribute *attr, char *buf)
295{
296 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
297 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
298}
299static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
300
301#define FLASH_CMD_NONE 0x00
302#define FLASH_CMD_UPDATE 0x01
303#define FLASH_CMD_VERIFY 0x02
304
305struct flash_command {
306 u8 command[8];
307 int code;
308};
309
310static struct flash_command flash_command_table[] =
311{
312 {"verify", FLASH_CMD_VERIFY},
313 {"update", FLASH_CMD_UPDATE},
314 {"", FLASH_CMD_NONE}
315};
316
317struct error_bios {
318 char *reason;
319 int err_code;
320};
321
322static struct error_bios flash_error_table[] =
323{
324 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
325 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
326 {"Checksum mismatch", FAIL_CHECK_SUM},
327 {"Unknown Error", FAIL_UNKNOWN},
328 {"Failed to verify.", FAIL_VERIFY},
329 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
330 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
331 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
332 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
333 {"Flash in progress", FLASH_IN_PROGRESS},
334 {"Image file size Error", FAIL_FILE_SIZE},
335 {"Input parameter error", FAIL_PARAMETERS},
336 {"Out of memory", FAIL_OUT_MEMORY},
337 {"OK", 0}
338};
339
340static ssize_t asd_store_update_bios(struct device *dev,
341 struct device_attribute *attr,
342 const char *buf, size_t count)
343{
344 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
345 char *cmd_ptr, *filename_ptr;
346 struct bios_file_header header, *hdr_ptr;
347 int res, i;
348 u32 csum = 0;
349 int flash_command = FLASH_CMD_NONE;
350 int err = 0;
351
352 cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
353
354 if (!cmd_ptr) {
355 err = FAIL_OUT_MEMORY;
356 goto out;
357 }
358
359 filename_ptr = cmd_ptr + count;
360 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
361 if (res != 2) {
362 err = FAIL_PARAMETERS;
363 goto out1;
364 }
365
366 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
367 if (!memcmp(flash_command_table[i].command,
368 cmd_ptr, strlen(cmd_ptr))) {
369 flash_command = flash_command_table[i].code;
370 break;
371 }
372 }
373 if (flash_command == FLASH_CMD_NONE) {
374 err = FAIL_PARAMETERS;
375 goto out1;
376 }
377
378 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
379 err = FLASH_IN_PROGRESS;
380 goto out1;
381 }
382 err = request_firmware(&asd_ha->bios_image,
383 filename_ptr,
384 &asd_ha->pcidev->dev);
385 if (err) {
386 asd_printk("Failed to load bios image file %s, error %d\n",
387 filename_ptr, err);
388 err = FAIL_OPEN_BIOS_FILE;
389 goto out1;
390 }
391
392 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
393
394 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
395 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
396 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
397 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
398
399 ASD_DPRINTK("The PCI vendor or device id does not match\n");
400 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
401 " pci vendor=%x pci dev=%x\n",
402 hdr_ptr->contrl_id.vendor,
403 hdr_ptr->contrl_id.device,
404 hdr_ptr->contrl_id.sub_vendor,
405 hdr_ptr->contrl_id.sub_device,
406 asd_ha->pcidev->vendor,
407 asd_ha->pcidev->device);
408 err = FAIL_CHECK_PCI_ID;
409 goto out2;
410 }
411
412 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
413 err = FAIL_FILE_SIZE;
414 goto out2;
415 }
416
417
418 for (i = 0; i < hdr_ptr->filelen; i++)
419 csum += asd_ha->bios_image->data[i];
420
421 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
422 ASD_DPRINTK("BIOS file checksum mismatch\n");
423 err = FAIL_CHECK_SUM;
424 goto out2;
425 }
426 if (flash_command == FLASH_CMD_UPDATE) {
427 asd_ha->bios_status = FLASH_IN_PROGRESS;
428 err = asd_write_flash_seg(asd_ha,
429 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
430 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
431 if (!err)
432 err = asd_verify_flash_seg(asd_ha,
433 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
434 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
435 } else {
436 asd_ha->bios_status = FLASH_IN_PROGRESS;
437 err = asd_verify_flash_seg(asd_ha,
438 &asd_ha->bios_image->data[sizeof(header)],
439 0, hdr_ptr->filelen-sizeof(header));
440 }
441
442out2:
443 release_firmware(asd_ha->bios_image);
444out1:
445 kfree(cmd_ptr);
446out:
447 asd_ha->bios_status = err;
448
449 if (!err)
450 return count;
451 else
452 return -err;
453}
454
455static ssize_t asd_show_update_bios(struct device *dev,
456 struct device_attribute *attr, char *buf)
457{
458 int i;
459 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
460
461 for (i = 0; flash_error_table[i].err_code != 0; i++) {
462 if (flash_error_table[i].err_code == asd_ha->bios_status)
463 break;
464 }
465 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
466 asd_ha->bios_status = FLASH_OK;
467
468 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
469 flash_error_table[i].err_code,
470 flash_error_table[i].reason);
471}
472
473static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
474 asd_show_update_bios, asd_store_update_bios);
475
476static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
477{
478 int err;
479
480 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
481 if (err)
482 return err;
483
484 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
485 if (err)
486 goto err_rev;
487
488 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
489 if (err)
490 goto err_biosb;
491 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
492 if (err)
493 goto err_update_bios;
494
495 return 0;
496
497err_update_bios:
498 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
499err_biosb:
500 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
501err_rev:
502 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
503 return err;
504}
505
506static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
507{
508 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
509 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
510 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
511 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
512}
513
514
515
516
517static const struct asd_pcidev_struct {
518 const char * name;
519 int (*setup)(struct asd_ha_struct *asd_ha);
520} asd_pcidev_data[] = {
521
522 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
523 .setup = asd_aic9410_setup
524 },
525 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
526 .setup = asd_aic9410_setup
527 },
528 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
529 .setup = asd_aic9405_setup
530 },
531};
532
533static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
534{
535 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
536 &asd_ha->pcidev->dev,
537 sizeof(struct scb),
538 8, 0);
539 if (!asd_ha->scb_pool) {
540 asd_printk("couldn't create scb pool\n");
541 return -ENOMEM;
542 }
543
544 return 0;
545}
546
547
548
549
550
551static void asd_free_edbs(struct asd_ha_struct *asd_ha)
552{
553 struct asd_seq_data *seq = &asd_ha->seq;
554 int i;
555
556 for (i = 0; i < seq->num_edbs; i++)
557 asd_free_coherent(asd_ha, seq->edb_arr[i]);
558 kfree(seq->edb_arr);
559 seq->edb_arr = NULL;
560}
561
562static void asd_free_escbs(struct asd_ha_struct *asd_ha)
563{
564 struct asd_seq_data *seq = &asd_ha->seq;
565 int i;
566
567 for (i = 0; i < seq->num_escbs; i++) {
568 if (!list_empty(&seq->escb_arr[i]->list))
569 list_del_init(&seq->escb_arr[i]->list);
570
571 asd_ascb_free(seq->escb_arr[i]);
572 }
573 kfree(seq->escb_arr);
574 seq->escb_arr = NULL;
575}
576
577static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
578{
579 int i;
580
581 if (asd_ha->hw_prof.ddb_ext)
582 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
583 if (asd_ha->hw_prof.scb_ext)
584 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
585
586 if (asd_ha->hw_prof.ddb_bitmap)
587 kfree(asd_ha->hw_prof.ddb_bitmap);
588 asd_ha->hw_prof.ddb_bitmap = NULL;
589
590 for (i = 0; i < ASD_MAX_PHYS; i++) {
591 struct asd_phy *phy = &asd_ha->phys[i];
592
593 asd_free_coherent(asd_ha, phy->id_frm_tok);
594 }
595 if (asd_ha->seq.escb_arr)
596 asd_free_escbs(asd_ha);
597 if (asd_ha->seq.edb_arr)
598 asd_free_edbs(asd_ha);
599 if (asd_ha->hw_prof.ue.area) {
600 kfree(asd_ha->hw_prof.ue.area);
601 asd_ha->hw_prof.ue.area = NULL;
602 }
603 if (asd_ha->seq.tc_index_array) {
604 kfree(asd_ha->seq.tc_index_array);
605 kfree(asd_ha->seq.tc_index_bitmap);
606 asd_ha->seq.tc_index_array = NULL;
607 asd_ha->seq.tc_index_bitmap = NULL;
608 }
609 if (asd_ha->seq.actual_dl) {
610 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
611 asd_ha->seq.actual_dl = NULL;
612 asd_ha->seq.dl = NULL;
613 }
614 if (asd_ha->seq.next_scb.vaddr) {
615 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
616 asd_ha->seq.next_scb.dma_handle);
617 asd_ha->seq.next_scb.vaddr = NULL;
618 }
619 dma_pool_destroy(asd_ha->scb_pool);
620 asd_ha->scb_pool = NULL;
621}
622
623struct kmem_cache *asd_dma_token_cache;
624struct kmem_cache *asd_ascb_cache;
625
626static int asd_create_global_caches(void)
627{
628 if (!asd_dma_token_cache) {
629 asd_dma_token_cache
630 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
631 sizeof(struct asd_dma_tok),
632 0,
633 SLAB_HWCACHE_ALIGN,
634 NULL);
635 if (!asd_dma_token_cache) {
636 asd_printk("couldn't create dma token cache\n");
637 return -ENOMEM;
638 }
639 }
640
641 if (!asd_ascb_cache) {
642 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
643 sizeof(struct asd_ascb),
644 0,
645 SLAB_HWCACHE_ALIGN,
646 NULL);
647 if (!asd_ascb_cache) {
648 asd_printk("couldn't create ascb cache\n");
649 goto Err;
650 }
651 }
652
653 return 0;
654Err:
655 kmem_cache_destroy(asd_dma_token_cache);
656 asd_dma_token_cache = NULL;
657 return -ENOMEM;
658}
659
660static void asd_destroy_global_caches(void)
661{
662 if (asd_dma_token_cache)
663 kmem_cache_destroy(asd_dma_token_cache);
664 asd_dma_token_cache = NULL;
665
666 if (asd_ascb_cache)
667 kmem_cache_destroy(asd_ascb_cache);
668 asd_ascb_cache = NULL;
669}
670
671static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
672{
673 int i;
674 struct asd_sas_phy **sas_phys =
675 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
676 struct asd_sas_port **sas_ports =
677 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
678
679 if (!sas_phys || !sas_ports) {
680 kfree(sas_phys);
681 kfree(sas_ports);
682 return -ENOMEM;
683 }
684
685 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
686 asd_ha->sas_ha.lldd_module = THIS_MODULE;
687 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
688
689 for (i = 0; i < ASD_MAX_PHYS; i++) {
690 sas_phys[i] = &asd_ha->phys[i].sas_phy;
691 sas_ports[i] = &asd_ha->ports[i];
692 }
693
694 asd_ha->sas_ha.sas_phy = sas_phys;
695 asd_ha->sas_ha.sas_port= sas_ports;
696 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
697
698 return sas_register_ha(&asd_ha->sas_ha);
699}
700
701static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
702{
703 int err;
704
705 err = sas_unregister_ha(&asd_ha->sas_ha);
706
707 sas_remove_host(asd_ha->sas_ha.core.shost);
708 scsi_host_put(asd_ha->sas_ha.core.shost);
709
710 kfree(asd_ha->sas_ha.sas_phy);
711 kfree(asd_ha->sas_ha.sas_port);
712
713 return err;
714}
715
716static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
717{
718 const struct asd_pcidev_struct *asd_dev;
719 unsigned asd_id = (unsigned) id->driver_data;
720 struct asd_ha_struct *asd_ha;
721 struct Scsi_Host *shost;
722 int err;
723
724 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
725 asd_printk("wrong driver_data in PCI table\n");
726 return -ENODEV;
727 }
728
729 if ((err = pci_enable_device(dev))) {
730 asd_printk("couldn't enable device %s\n", pci_name(dev));
731 return err;
732 }
733
734 pci_set_master(dev);
735
736 err = -ENOMEM;
737
738 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
739 if (!shost)
740 goto Err;
741
742 asd_dev = &asd_pcidev_data[asd_id];
743
744 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
745 if (!asd_ha) {
746 asd_printk("out of memory\n");
747 goto Err_put;
748 }
749 asd_ha->pcidev = dev;
750 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
751 asd_ha->sas_ha.lldd_ha = asd_ha;
752
753 asd_ha->bios_status = FLASH_OK;
754 asd_ha->name = asd_dev->name;
755 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
756
757 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
758 asd_ha->sas_ha.core.shost = shost;
759 shost->transportt = aic94xx_transport_template;
760 shost->max_id = ~0;
761 shost->max_lun = ~0;
762 shost->max_cmd_len = 16;
763
764 err = scsi_add_host(shost, &dev->dev);
765 if (err)
766 goto Err_free;
767
768 err = asd_dev->setup(asd_ha);
769 if (err)
770 goto Err_remove;
771
772 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
773 if (err)
774 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
775 if (err) {
776 err = -ENODEV;
777 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
778 goto Err_remove;
779 }
780
781 pci_set_drvdata(dev, asd_ha);
782
783 err = asd_map_ha(asd_ha);
784 if (err)
785 goto Err_remove;
786
787 err = asd_create_ha_caches(asd_ha);
788 if (err)
789 goto Err_unmap;
790
791 err = asd_init_hw(asd_ha);
792 if (err)
793 goto Err_free_cache;
794
795 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
796 "phys, flash %s, BIOS %s%d\n",
797 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
798 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
799 asd_ha->hw_prof.num_phys,
800 asd_ha->hw_prof.flash.present ? "present" : "not present",
801 asd_ha->hw_prof.bios.present ? "build " : "not present",
802 asd_ha->hw_prof.bios.bld);
803
804 shost->can_queue = asd_ha->seq.can_queue;
805
806 if (use_msi)
807 pci_enable_msi(asd_ha->pcidev);
808
809 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
810 ASD_DRIVER_NAME, asd_ha);
811 if (err) {
812 asd_printk("couldn't get irq %d for %s\n",
813 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
814 goto Err_irq;
815 }
816 asd_enable_ints(asd_ha);
817
818 err = asd_init_post_escbs(asd_ha);
819 if (err) {
820 asd_printk("couldn't post escbs for %s\n",
821 pci_name(asd_ha->pcidev));
822 goto Err_escbs;
823 }
824 ASD_DPRINTK("escbs posted\n");
825
826 err = asd_create_dev_attrs(asd_ha);
827 if (err)
828 goto Err_dev_attrs;
829
830 err = asd_register_sas_ha(asd_ha);
831 if (err)
832 goto Err_reg_sas;
833
834 scsi_scan_host(shost);
835
836 return 0;
837
838Err_reg_sas:
839 asd_remove_dev_attrs(asd_ha);
840Err_dev_attrs:
841Err_escbs:
842 asd_disable_ints(asd_ha);
843 free_irq(dev->irq, asd_ha);
844Err_irq:
845 if (use_msi)
846 pci_disable_msi(dev);
847 asd_chip_hardrst(asd_ha);
848Err_free_cache:
849 asd_destroy_ha_caches(asd_ha);
850Err_unmap:
851 asd_unmap_ha(asd_ha);
852Err_remove:
853 scsi_remove_host(shost);
854Err_free:
855 kfree(asd_ha);
856Err_put:
857 scsi_host_put(shost);
858Err:
859 pci_disable_device(dev);
860 return err;
861}
862
863static void asd_free_queues(struct asd_ha_struct *asd_ha)
864{
865 unsigned long flags;
866 LIST_HEAD(pending);
867 struct list_head *n, *pos;
868
869 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
870 asd_ha->seq.pending = 0;
871 list_splice_init(&asd_ha->seq.pend_q, &pending);
872 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
873
874 if (!list_empty(&pending))
875 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
876
877 list_for_each_safe(pos, n, &pending) {
878 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
879
880
881
882
883
884
885 del_timer_sync(&ascb->timer);
886 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
887
888 list_del_init(pos);
889 ASD_DPRINTK("freeing from pending\n");
890 asd_ascb_free(ascb);
891 }
892}
893
894static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
895{
896 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
897 u8 i;
898
899 for_each_phy(phy_mask, phy_mask, i) {
900 asd_turn_led(asd_ha, i, 0);
901 asd_control_led(asd_ha, i, 0);
902 }
903}
904
905static void asd_pci_remove(struct pci_dev *dev)
906{
907 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
908
909 if (!asd_ha)
910 return;
911
912 asd_unregister_sas_ha(asd_ha);
913
914 asd_disable_ints(asd_ha);
915
916 asd_remove_dev_attrs(asd_ha);
917
918
919
920 free_irq(dev->irq, asd_ha);
921 if (use_msi)
922 pci_disable_msi(asd_ha->pcidev);
923 asd_turn_off_leds(asd_ha);
924 asd_chip_hardrst(asd_ha);
925 asd_free_queues(asd_ha);
926 asd_destroy_ha_caches(asd_ha);
927 asd_unmap_ha(asd_ha);
928 kfree(asd_ha);
929 pci_disable_device(dev);
930 return;
931}
932
933static void asd_scan_start(struct Scsi_Host *shost)
934{
935 struct asd_ha_struct *asd_ha;
936 int err;
937
938 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
939 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
940 if (err)
941 asd_printk("Couldn't enable phys, err:%d\n", err);
942}
943
944static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
945{
946
947
948 if (time < HZ)
949 return 0;
950
951 sas_drain_work(SHOST_TO_SAS_HA(shost));
952 return 1;
953}
954
955static ssize_t version_show(struct device_driver *driver, char *buf)
956{
957 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
958}
959static DRIVER_ATTR_RO(version);
960
961static int asd_create_driver_attrs(struct device_driver *driver)
962{
963 return driver_create_file(driver, &driver_attr_version);
964}
965
966static void asd_remove_driver_attrs(struct device_driver *driver)
967{
968 driver_remove_file(driver, &driver_attr_version);
969}
970
971static struct sas_domain_function_template aic94xx_transport_functions = {
972 .lldd_dev_found = asd_dev_found,
973 .lldd_dev_gone = asd_dev_gone,
974
975 .lldd_execute_task = asd_execute_task,
976
977 .lldd_abort_task = asd_abort_task,
978 .lldd_abort_task_set = asd_abort_task_set,
979 .lldd_clear_aca = asd_clear_aca,
980 .lldd_clear_task_set = asd_clear_task_set,
981 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
982 .lldd_lu_reset = asd_lu_reset,
983 .lldd_query_task = asd_query_task,
984
985 .lldd_clear_nexus_port = asd_clear_nexus_port,
986 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
987
988 .lldd_control_phy = asd_control_phy,
989
990 .lldd_ata_set_dmamode = asd_set_dmamode,
991};
992
993static const struct pci_device_id aic94xx_pci_table[] = {
994 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
995 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
996 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
997 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
998 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
999 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
1000 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
1001 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
1002 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
1003 {}
1004};
1005
1006MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
1007
1008static struct pci_driver aic94xx_pci_driver = {
1009 .name = ASD_DRIVER_NAME,
1010 .id_table = aic94xx_pci_table,
1011 .probe = asd_pci_probe,
1012 .remove = asd_pci_remove,
1013};
1014
1015static int __init aic94xx_init(void)
1016{
1017 int err;
1018
1019
1020 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1021 ASD_DRIVER_VERSION);
1022
1023 err = asd_create_global_caches();
1024 if (err)
1025 return err;
1026
1027 aic94xx_transport_template =
1028 sas_domain_attach_transport(&aic94xx_transport_functions);
1029 if (!aic94xx_transport_template) {
1030 err = -ENOMEM;
1031 goto out_destroy_caches;
1032 }
1033
1034 err = pci_register_driver(&aic94xx_pci_driver);
1035 if (err)
1036 goto out_release_transport;
1037
1038 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1039 if (err)
1040 goto out_unregister_pcidrv;
1041
1042 return err;
1043
1044 out_unregister_pcidrv:
1045 pci_unregister_driver(&aic94xx_pci_driver);
1046 out_release_transport:
1047 sas_release_transport(aic94xx_transport_template);
1048 out_destroy_caches:
1049 asd_destroy_global_caches();
1050
1051 return err;
1052}
1053
1054static void __exit aic94xx_exit(void)
1055{
1056 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1057 pci_unregister_driver(&aic94xx_pci_driver);
1058 sas_release_transport(aic94xx_transport_template);
1059 asd_release_firmware();
1060 asd_destroy_global_caches();
1061 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1062 ASD_DRIVER_VERSION);
1063}
1064
1065module_init(aic94xx_init);
1066module_exit(aic94xx_exit);
1067
1068MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1069MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1070MODULE_LICENSE("GPL v2");
1071MODULE_VERSION(ASD_DRIVER_VERSION);
1072
