This source file includes following definitions.
- asd_map_memio
- asd_unmap_memio
- asd_map_ioport
- asd_unmap_ioport
- asd_map_ha
- asd_unmap_ha
- asd_common_setup
- asd_aic9410_setup
- asd_aic9405_setup
- asd_show_dev_rev
- asd_show_dev_bios_build
- asd_show_dev_pcba_sn
- asd_store_update_bios
- asd_show_update_bios
- asd_create_dev_attrs
- asd_remove_dev_attrs
- asd_create_ha_caches
- asd_free_edbs
- asd_free_escbs
- asd_destroy_ha_caches
- asd_create_global_caches
- asd_destroy_global_caches
- asd_register_sas_ha
- asd_unregister_sas_ha
- asd_pci_probe
- asd_free_queues
- asd_turn_off_leds
- asd_pci_remove
- asd_scan_start
- asd_scan_finished
- version_show
- asd_create_driver_attrs
- asd_remove_driver_attrs
- aic94xx_init
- aic94xx_exit
1
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3
4
5
6
7
8
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
28 static int use_msi = 0;
29 module_param_named(use_msi, use_msi, int, S_IRUGO);
30 MODULE_PARM_DESC(use_msi, "\n"
31 "\tEnable(1) or disable(0) using PCI MSI.\n"
32 "\tDefault: 0");
33
34 static struct scsi_transport_template *aic94xx_transport_template;
35 static int asd_scan_finished(struct Scsi_Host *, unsigned long);
36 static void asd_scan_start(struct Scsi_Host *);
37
38 static struct scsi_host_template aic94xx_sht = {
39 .module = THIS_MODULE,
40
41 .name = "aic94xx",
42 .queuecommand = sas_queuecommand,
43 .target_alloc = sas_target_alloc,
44 .slave_configure = sas_slave_configure,
45 .scan_finished = asd_scan_finished,
46 .scan_start = asd_scan_start,
47 .change_queue_depth = sas_change_queue_depth,
48 .bios_param = sas_bios_param,
49 .can_queue = 1,
50 .this_id = -1,
51 .sg_tablesize = SG_ALL,
52 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
53 .eh_device_reset_handler = sas_eh_device_reset_handler,
54 .eh_target_reset_handler = sas_eh_target_reset_handler,
55 .target_destroy = sas_target_destroy,
56 .ioctl = sas_ioctl,
57 .track_queue_depth = 1,
58 };
59
60 static int asd_map_memio(struct asd_ha_struct *asd_ha)
61 {
62 int err, i;
63 struct asd_ha_addrspace *io_handle;
64
65 asd_ha->iospace = 0;
66 for (i = 0; i < 3; i += 2) {
67 io_handle = &asd_ha->io_handle[i==0?0:1];
68 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
69 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
70 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
71 err = -ENODEV;
72 if (!io_handle->start || !io_handle->len) {
73 asd_printk("MBAR%d start or length for %s is 0.\n",
74 i==0?0:1, pci_name(asd_ha->pcidev));
75 goto Err;
76 }
77 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
78 if (err) {
79 asd_printk("couldn't reserve memory region for %s\n",
80 pci_name(asd_ha->pcidev));
81 goto Err;
82 }
83 io_handle->addr = ioremap(io_handle->start, io_handle->len);
84 if (!io_handle->addr) {
85 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
86 pci_name(asd_ha->pcidev));
87 err = -ENOMEM;
88 goto Err_unreq;
89 }
90 }
91
92 return 0;
93 Err_unreq:
94 pci_release_region(asd_ha->pcidev, i);
95 Err:
96 if (i > 0) {
97 io_handle = &asd_ha->io_handle[0];
98 iounmap(io_handle->addr);
99 pci_release_region(asd_ha->pcidev, 0);
100 }
101 return err;
102 }
103
104 static void asd_unmap_memio(struct asd_ha_struct *asd_ha)
105 {
106 struct asd_ha_addrspace *io_handle;
107
108 io_handle = &asd_ha->io_handle[1];
109 iounmap(io_handle->addr);
110 pci_release_region(asd_ha->pcidev, 2);
111
112 io_handle = &asd_ha->io_handle[0];
113 iounmap(io_handle->addr);
114 pci_release_region(asd_ha->pcidev, 0);
115 }
116
117 static int asd_map_ioport(struct asd_ha_struct *asd_ha)
118 {
119 int i = PCI_IOBAR_OFFSET, err;
120 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
121
122 asd_ha->iospace = 1;
123 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
124 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
125 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
126 io_handle->addr = (void __iomem *) io_handle->start;
127 if (!io_handle->start || !io_handle->len) {
128 asd_printk("couldn't get IO ports for %s\n",
129 pci_name(asd_ha->pcidev));
130 return -ENODEV;
131 }
132 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
133 if (err) {
134 asd_printk("couldn't reserve io space for %s\n",
135 pci_name(asd_ha->pcidev));
136 }
137
138 return err;
139 }
140
141 static void asd_unmap_ioport(struct asd_ha_struct *asd_ha)
142 {
143 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
144 }
145
146 static int asd_map_ha(struct asd_ha_struct *asd_ha)
147 {
148 int err;
149 u16 cmd_reg;
150
151 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
152 if (err) {
153 asd_printk("couldn't read command register of %s\n",
154 pci_name(asd_ha->pcidev));
155 goto Err;
156 }
157
158 err = -ENODEV;
159 if (cmd_reg & PCI_COMMAND_MEMORY) {
160 if ((err = asd_map_memio(asd_ha)))
161 goto Err;
162 } else if (cmd_reg & PCI_COMMAND_IO) {
163 if ((err = asd_map_ioport(asd_ha)))
164 goto Err;
165 asd_printk("%s ioport mapped -- upgrade your hardware\n",
166 pci_name(asd_ha->pcidev));
167 } else {
168 asd_printk("no proper device access to %s\n",
169 pci_name(asd_ha->pcidev));
170 goto Err;
171 }
172
173 return 0;
174 Err:
175 return err;
176 }
177
178 static void asd_unmap_ha(struct asd_ha_struct *asd_ha)
179 {
180 if (asd_ha->iospace)
181 asd_unmap_ioport(asd_ha);
182 else
183 asd_unmap_memio(asd_ha);
184 }
185
186 static const char *asd_dev_rev[30] = {
187 [0] = "A0",
188 [1] = "A1",
189 [8] = "B0",
190 };
191
192 static int asd_common_setup(struct asd_ha_struct *asd_ha)
193 {
194 int err, i;
195
196 asd_ha->revision_id = asd_ha->pcidev->revision;
197
198 err = -ENODEV;
199 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
200 asd_printk("%s is revision %s (%X), which is not supported\n",
201 pci_name(asd_ha->pcidev),
202 asd_dev_rev[asd_ha->revision_id],
203 asd_ha->revision_id);
204 goto Err;
205 }
206
207 asd_ha->hw_prof.max_scbs = 512;
208 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
209 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
210
211 asd_ha->hw_prof.enabled_phys = 0xFF;
212 for (i = 0; i < ASD_MAX_PHYS; i++) {
213 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
214 SAS_LINK_RATE_3_0_GBPS;
215 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
216 SAS_LINK_RATE_1_5_GBPS;
217 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
218 SAS_LINK_RATE_1_5_GBPS;
219 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
220 SAS_LINK_RATE_1_5_GBPS;
221 }
222
223 return 0;
224 Err:
225 return err;
226 }
227
228 static int asd_aic9410_setup(struct asd_ha_struct *asd_ha)
229 {
230 int err = asd_common_setup(asd_ha);
231
232 if (err)
233 return err;
234
235 asd_ha->hw_prof.addr_range = 8;
236 asd_ha->hw_prof.port_name_base = 0;
237 asd_ha->hw_prof.dev_name_base = 8;
238 asd_ha->hw_prof.sata_name_base = 16;
239
240 return 0;
241 }
242
243 static int asd_aic9405_setup(struct asd_ha_struct *asd_ha)
244 {
245 int err = asd_common_setup(asd_ha);
246
247 if (err)
248 return err;
249
250 asd_ha->hw_prof.addr_range = 4;
251 asd_ha->hw_prof.port_name_base = 0;
252 asd_ha->hw_prof.dev_name_base = 4;
253 asd_ha->hw_prof.sata_name_base = 8;
254
255 return 0;
256 }
257
258 static ssize_t asd_show_dev_rev(struct device *dev,
259 struct device_attribute *attr, char *buf)
260 {
261 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
262 return snprintf(buf, PAGE_SIZE, "%s\n",
263 asd_dev_rev[asd_ha->revision_id]);
264 }
265 static DEVICE_ATTR(aic_revision, S_IRUGO, asd_show_dev_rev, NULL);
266
267 static ssize_t asd_show_dev_bios_build(struct device *dev,
268 struct device_attribute *attr,char *buf)
269 {
270 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
271 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
272 }
273 static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
274
275 static ssize_t asd_show_dev_pcba_sn(struct device *dev,
276 struct device_attribute *attr, char *buf)
277 {
278 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
279 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
280 }
281 static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
282
283 #define FLASH_CMD_NONE 0x00
284 #define FLASH_CMD_UPDATE 0x01
285 #define FLASH_CMD_VERIFY 0x02
286
287 struct flash_command {
288 u8 command[8];
289 int code;
290 };
291
292 static struct flash_command flash_command_table[] =
293 {
294 {"verify", FLASH_CMD_VERIFY},
295 {"update", FLASH_CMD_UPDATE},
296 {"", FLASH_CMD_NONE}
297 };
298
299 struct error_bios {
300 char *reason;
301 int err_code;
302 };
303
304 static struct error_bios flash_error_table[] =
305 {
306 {"Failed to open bios image file", FAIL_OPEN_BIOS_FILE},
307 {"PCI ID mismatch", FAIL_CHECK_PCI_ID},
308 {"Checksum mismatch", FAIL_CHECK_SUM},
309 {"Unknown Error", FAIL_UNKNOWN},
310 {"Failed to verify.", FAIL_VERIFY},
311 {"Failed to reset flash chip.", FAIL_RESET_FLASH},
312 {"Failed to find flash chip type.", FAIL_FIND_FLASH_ID},
313 {"Failed to erash flash chip.", FAIL_ERASE_FLASH},
314 {"Failed to program flash chip.", FAIL_WRITE_FLASH},
315 {"Flash in progress", FLASH_IN_PROGRESS},
316 {"Image file size Error", FAIL_FILE_SIZE},
317 {"Input parameter error", FAIL_PARAMETERS},
318 {"Out of memory", FAIL_OUT_MEMORY},
319 {"OK", 0}
320 };
321
322 static ssize_t asd_store_update_bios(struct device *dev,
323 struct device_attribute *attr,
324 const char *buf, size_t count)
325 {
326 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
327 char *cmd_ptr, *filename_ptr;
328 struct bios_file_header header, *hdr_ptr;
329 int res, i;
330 u32 csum = 0;
331 int flash_command = FLASH_CMD_NONE;
332 int err = 0;
333
334 cmd_ptr = kcalloc(count, 2, GFP_KERNEL);
335
336 if (!cmd_ptr) {
337 err = FAIL_OUT_MEMORY;
338 goto out;
339 }
340
341 filename_ptr = cmd_ptr + count;
342 res = sscanf(buf, "%s %s", cmd_ptr, filename_ptr);
343 if (res != 2) {
344 err = FAIL_PARAMETERS;
345 goto out1;
346 }
347
348 for (i = 0; flash_command_table[i].code != FLASH_CMD_NONE; i++) {
349 if (!memcmp(flash_command_table[i].command,
350 cmd_ptr, strlen(cmd_ptr))) {
351 flash_command = flash_command_table[i].code;
352 break;
353 }
354 }
355 if (flash_command == FLASH_CMD_NONE) {
356 err = FAIL_PARAMETERS;
357 goto out1;
358 }
359
360 if (asd_ha->bios_status == FLASH_IN_PROGRESS) {
361 err = FLASH_IN_PROGRESS;
362 goto out1;
363 }
364 err = request_firmware(&asd_ha->bios_image,
365 filename_ptr,
366 &asd_ha->pcidev->dev);
367 if (err) {
368 asd_printk("Failed to load bios image file %s, error %d\n",
369 filename_ptr, err);
370 err = FAIL_OPEN_BIOS_FILE;
371 goto out1;
372 }
373
374 hdr_ptr = (struct bios_file_header *)asd_ha->bios_image->data;
375
376 if ((hdr_ptr->contrl_id.vendor != asd_ha->pcidev->vendor ||
377 hdr_ptr->contrl_id.device != asd_ha->pcidev->device) &&
378 (hdr_ptr->contrl_id.sub_vendor != asd_ha->pcidev->vendor ||
379 hdr_ptr->contrl_id.sub_device != asd_ha->pcidev->device)) {
380
381 ASD_DPRINTK("The PCI vendor or device id does not match\n");
382 ASD_DPRINTK("vendor=%x dev=%x sub_vendor=%x sub_dev=%x"
383 " pci vendor=%x pci dev=%x\n",
384 hdr_ptr->contrl_id.vendor,
385 hdr_ptr->contrl_id.device,
386 hdr_ptr->contrl_id.sub_vendor,
387 hdr_ptr->contrl_id.sub_device,
388 asd_ha->pcidev->vendor,
389 asd_ha->pcidev->device);
390 err = FAIL_CHECK_PCI_ID;
391 goto out2;
392 }
393
394 if (hdr_ptr->filelen != asd_ha->bios_image->size) {
395 err = FAIL_FILE_SIZE;
396 goto out2;
397 }
398
399
400 for (i = 0; i < hdr_ptr->filelen; i++)
401 csum += asd_ha->bios_image->data[i];
402
403 if ((csum & 0x0000ffff) != hdr_ptr->checksum) {
404 ASD_DPRINTK("BIOS file checksum mismatch\n");
405 err = FAIL_CHECK_SUM;
406 goto out2;
407 }
408 if (flash_command == FLASH_CMD_UPDATE) {
409 asd_ha->bios_status = FLASH_IN_PROGRESS;
410 err = asd_write_flash_seg(asd_ha,
411 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
412 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
413 if (!err)
414 err = asd_verify_flash_seg(asd_ha,
415 &asd_ha->bios_image->data[sizeof(*hdr_ptr)],
416 0, hdr_ptr->filelen-sizeof(*hdr_ptr));
417 } else {
418 asd_ha->bios_status = FLASH_IN_PROGRESS;
419 err = asd_verify_flash_seg(asd_ha,
420 &asd_ha->bios_image->data[sizeof(header)],
421 0, hdr_ptr->filelen-sizeof(header));
422 }
423
424 out2:
425 release_firmware(asd_ha->bios_image);
426 out1:
427 kfree(cmd_ptr);
428 out:
429 asd_ha->bios_status = err;
430
431 if (!err)
432 return count;
433 else
434 return -err;
435 }
436
437 static ssize_t asd_show_update_bios(struct device *dev,
438 struct device_attribute *attr, char *buf)
439 {
440 int i;
441 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
442
443 for (i = 0; flash_error_table[i].err_code != 0; i++) {
444 if (flash_error_table[i].err_code == asd_ha->bios_status)
445 break;
446 }
447 if (asd_ha->bios_status != FLASH_IN_PROGRESS)
448 asd_ha->bios_status = FLASH_OK;
449
450 return snprintf(buf, PAGE_SIZE, "status=%x %s\n",
451 flash_error_table[i].err_code,
452 flash_error_table[i].reason);
453 }
454
455 static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR,
456 asd_show_update_bios, asd_store_update_bios);
457
458 static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
459 {
460 int err;
461
462 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
463 if (err)
464 return err;
465
466 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
467 if (err)
468 goto err_rev;
469
470 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
471 if (err)
472 goto err_biosb;
473 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
474 if (err)
475 goto err_update_bios;
476
477 return 0;
478
479 err_update_bios:
480 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
481 err_biosb:
482 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
483 err_rev:
484 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
485 return err;
486 }
487
488 static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
489 {
490 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_aic_revision);
491 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
492 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
493 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_update_bios);
494 }
495
496
497
498
499 static const struct asd_pcidev_struct {
500 const char * name;
501 int (*setup)(struct asd_ha_struct *asd_ha);
502 } asd_pcidev_data[] = {
503
504 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
505 .setup = asd_aic9410_setup
506 },
507 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
508 .setup = asd_aic9410_setup
509 },
510 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
511 .setup = asd_aic9405_setup
512 },
513 };
514
515 static int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
516 {
517 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
518 &asd_ha->pcidev->dev,
519 sizeof(struct scb),
520 8, 0);
521 if (!asd_ha->scb_pool) {
522 asd_printk("couldn't create scb pool\n");
523 return -ENOMEM;
524 }
525
526 return 0;
527 }
528
529
530
531
532
533 static void asd_free_edbs(struct asd_ha_struct *asd_ha)
534 {
535 struct asd_seq_data *seq = &asd_ha->seq;
536 int i;
537
538 for (i = 0; i < seq->num_edbs; i++)
539 asd_free_coherent(asd_ha, seq->edb_arr[i]);
540 kfree(seq->edb_arr);
541 seq->edb_arr = NULL;
542 }
543
544 static void asd_free_escbs(struct asd_ha_struct *asd_ha)
545 {
546 struct asd_seq_data *seq = &asd_ha->seq;
547 int i;
548
549 for (i = 0; i < seq->num_escbs; i++) {
550 if (!list_empty(&seq->escb_arr[i]->list))
551 list_del_init(&seq->escb_arr[i]->list);
552
553 asd_ascb_free(seq->escb_arr[i]);
554 }
555 kfree(seq->escb_arr);
556 seq->escb_arr = NULL;
557 }
558
559 static void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
560 {
561 int i;
562
563 if (asd_ha->hw_prof.ddb_ext)
564 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
565 if (asd_ha->hw_prof.scb_ext)
566 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
567
568 kfree(asd_ha->hw_prof.ddb_bitmap);
569 asd_ha->hw_prof.ddb_bitmap = NULL;
570
571 for (i = 0; i < ASD_MAX_PHYS; i++) {
572 struct asd_phy *phy = &asd_ha->phys[i];
573
574 asd_free_coherent(asd_ha, phy->id_frm_tok);
575 }
576 if (asd_ha->seq.escb_arr)
577 asd_free_escbs(asd_ha);
578 if (asd_ha->seq.edb_arr)
579 asd_free_edbs(asd_ha);
580 if (asd_ha->hw_prof.ue.area) {
581 kfree(asd_ha->hw_prof.ue.area);
582 asd_ha->hw_prof.ue.area = NULL;
583 }
584 if (asd_ha->seq.tc_index_array) {
585 kfree(asd_ha->seq.tc_index_array);
586 kfree(asd_ha->seq.tc_index_bitmap);
587 asd_ha->seq.tc_index_array = NULL;
588 asd_ha->seq.tc_index_bitmap = NULL;
589 }
590 if (asd_ha->seq.actual_dl) {
591 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
592 asd_ha->seq.actual_dl = NULL;
593 asd_ha->seq.dl = NULL;
594 }
595 if (asd_ha->seq.next_scb.vaddr) {
596 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
597 asd_ha->seq.next_scb.dma_handle);
598 asd_ha->seq.next_scb.vaddr = NULL;
599 }
600 dma_pool_destroy(asd_ha->scb_pool);
601 asd_ha->scb_pool = NULL;
602 }
603
604 struct kmem_cache *asd_dma_token_cache;
605 struct kmem_cache *asd_ascb_cache;
606
607 static int asd_create_global_caches(void)
608 {
609 if (!asd_dma_token_cache) {
610 asd_dma_token_cache
611 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
612 sizeof(struct asd_dma_tok),
613 0,
614 SLAB_HWCACHE_ALIGN,
615 NULL);
616 if (!asd_dma_token_cache) {
617 asd_printk("couldn't create dma token cache\n");
618 return -ENOMEM;
619 }
620 }
621
622 if (!asd_ascb_cache) {
623 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
624 sizeof(struct asd_ascb),
625 0,
626 SLAB_HWCACHE_ALIGN,
627 NULL);
628 if (!asd_ascb_cache) {
629 asd_printk("couldn't create ascb cache\n");
630 goto Err;
631 }
632 }
633
634 return 0;
635 Err:
636 kmem_cache_destroy(asd_dma_token_cache);
637 asd_dma_token_cache = NULL;
638 return -ENOMEM;
639 }
640
641 static void asd_destroy_global_caches(void)
642 {
643 kmem_cache_destroy(asd_dma_token_cache);
644 asd_dma_token_cache = NULL;
645
646 kmem_cache_destroy(asd_ascb_cache);
647 asd_ascb_cache = NULL;
648 }
649
650 static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
651 {
652 int i;
653 struct asd_sas_phy **sas_phys =
654 kcalloc(ASD_MAX_PHYS, sizeof(*sas_phys), GFP_KERNEL);
655 struct asd_sas_port **sas_ports =
656 kcalloc(ASD_MAX_PHYS, sizeof(*sas_ports), GFP_KERNEL);
657
658 if (!sas_phys || !sas_ports) {
659 kfree(sas_phys);
660 kfree(sas_ports);
661 return -ENOMEM;
662 }
663
664 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
665 asd_ha->sas_ha.lldd_module = THIS_MODULE;
666 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
667
668 for (i = 0; i < ASD_MAX_PHYS; i++) {
669 sas_phys[i] = &asd_ha->phys[i].sas_phy;
670 sas_ports[i] = &asd_ha->ports[i];
671 }
672
673 asd_ha->sas_ha.sas_phy = sas_phys;
674 asd_ha->sas_ha.sas_port= sas_ports;
675 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
676
677 return sas_register_ha(&asd_ha->sas_ha);
678 }
679
680 static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
681 {
682 int err;
683
684 err = sas_unregister_ha(&asd_ha->sas_ha);
685
686 sas_remove_host(asd_ha->sas_ha.core.shost);
687 scsi_host_put(asd_ha->sas_ha.core.shost);
688
689 kfree(asd_ha->sas_ha.sas_phy);
690 kfree(asd_ha->sas_ha.sas_port);
691
692 return err;
693 }
694
695 static int asd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
696 {
697 const struct asd_pcidev_struct *asd_dev;
698 unsigned asd_id = (unsigned) id->driver_data;
699 struct asd_ha_struct *asd_ha;
700 struct Scsi_Host *shost;
701 int err;
702
703 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
704 asd_printk("wrong driver_data in PCI table\n");
705 return -ENODEV;
706 }
707
708 if ((err = pci_enable_device(dev))) {
709 asd_printk("couldn't enable device %s\n", pci_name(dev));
710 return err;
711 }
712
713 pci_set_master(dev);
714
715 err = -ENOMEM;
716
717 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
718 if (!shost)
719 goto Err;
720
721 asd_dev = &asd_pcidev_data[asd_id];
722
723 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
724 if (!asd_ha) {
725 asd_printk("out of memory\n");
726 goto Err_put;
727 }
728 asd_ha->pcidev = dev;
729 asd_ha->sas_ha.dev = &asd_ha->pcidev->dev;
730 asd_ha->sas_ha.lldd_ha = asd_ha;
731
732 asd_ha->bios_status = FLASH_OK;
733 asd_ha->name = asd_dev->name;
734 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
735
736 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
737 asd_ha->sas_ha.core.shost = shost;
738 shost->transportt = aic94xx_transport_template;
739 shost->max_id = ~0;
740 shost->max_lun = ~0;
741 shost->max_cmd_len = 16;
742
743 err = scsi_add_host(shost, &dev->dev);
744 if (err)
745 goto Err_free;
746
747 err = asd_dev->setup(asd_ha);
748 if (err)
749 goto Err_remove;
750
751 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(64));
752 if (err)
753 err = dma_set_mask_and_coherent(&dev->dev, DMA_BIT_MASK(32));
754 if (err) {
755 err = -ENODEV;
756 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
757 goto Err_remove;
758 }
759
760 pci_set_drvdata(dev, asd_ha);
761
762 err = asd_map_ha(asd_ha);
763 if (err)
764 goto Err_remove;
765
766 err = asd_create_ha_caches(asd_ha);
767 if (err)
768 goto Err_unmap;
769
770 err = asd_init_hw(asd_ha);
771 if (err)
772 goto Err_free_cache;
773
774 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
775 "phys, flash %s, BIOS %s%d\n",
776 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
777 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
778 asd_ha->hw_prof.num_phys,
779 asd_ha->hw_prof.flash.present ? "present" : "not present",
780 asd_ha->hw_prof.bios.present ? "build " : "not present",
781 asd_ha->hw_prof.bios.bld);
782
783 shost->can_queue = asd_ha->seq.can_queue;
784
785 if (use_msi)
786 pci_enable_msi(asd_ha->pcidev);
787
788 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
789 ASD_DRIVER_NAME, asd_ha);
790 if (err) {
791 asd_printk("couldn't get irq %d for %s\n",
792 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
793 goto Err_irq;
794 }
795 asd_enable_ints(asd_ha);
796
797 err = asd_init_post_escbs(asd_ha);
798 if (err) {
799 asd_printk("couldn't post escbs for %s\n",
800 pci_name(asd_ha->pcidev));
801 goto Err_escbs;
802 }
803 ASD_DPRINTK("escbs posted\n");
804
805 err = asd_create_dev_attrs(asd_ha);
806 if (err)
807 goto Err_dev_attrs;
808
809 err = asd_register_sas_ha(asd_ha);
810 if (err)
811 goto Err_reg_sas;
812
813 scsi_scan_host(shost);
814
815 return 0;
816
817 Err_reg_sas:
818 asd_remove_dev_attrs(asd_ha);
819 Err_dev_attrs:
820 Err_escbs:
821 asd_disable_ints(asd_ha);
822 free_irq(dev->irq, asd_ha);
823 Err_irq:
824 if (use_msi)
825 pci_disable_msi(dev);
826 asd_chip_hardrst(asd_ha);
827 Err_free_cache:
828 asd_destroy_ha_caches(asd_ha);
829 Err_unmap:
830 asd_unmap_ha(asd_ha);
831 Err_remove:
832 scsi_remove_host(shost);
833 Err_free:
834 kfree(asd_ha);
835 Err_put:
836 scsi_host_put(shost);
837 Err:
838 pci_disable_device(dev);
839 return err;
840 }
841
842 static void asd_free_queues(struct asd_ha_struct *asd_ha)
843 {
844 unsigned long flags;
845 LIST_HEAD(pending);
846 struct list_head *n, *pos;
847
848 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
849 asd_ha->seq.pending = 0;
850 list_splice_init(&asd_ha->seq.pend_q, &pending);
851 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
852
853 if (!list_empty(&pending))
854 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
855
856 list_for_each_safe(pos, n, &pending) {
857 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
858
859
860
861
862
863
864 del_timer_sync(&ascb->timer);
865 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
866
867 list_del_init(pos);
868 ASD_DPRINTK("freeing from pending\n");
869 asd_ascb_free(ascb);
870 }
871 }
872
873 static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
874 {
875 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
876 u8 i;
877
878 for_each_phy(phy_mask, phy_mask, i) {
879 asd_turn_led(asd_ha, i, 0);
880 asd_control_led(asd_ha, i, 0);
881 }
882 }
883
884 static void asd_pci_remove(struct pci_dev *dev)
885 {
886 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
887
888 if (!asd_ha)
889 return;
890
891 asd_unregister_sas_ha(asd_ha);
892
893 asd_disable_ints(asd_ha);
894
895 asd_remove_dev_attrs(asd_ha);
896
897
898
899 free_irq(dev->irq, asd_ha);
900 if (use_msi)
901 pci_disable_msi(asd_ha->pcidev);
902 asd_turn_off_leds(asd_ha);
903 asd_chip_hardrst(asd_ha);
904 asd_free_queues(asd_ha);
905 asd_destroy_ha_caches(asd_ha);
906 asd_unmap_ha(asd_ha);
907 kfree(asd_ha);
908 pci_disable_device(dev);
909 return;
910 }
911
912 static void asd_scan_start(struct Scsi_Host *shost)
913 {
914 struct asd_ha_struct *asd_ha;
915 int err;
916
917 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
918 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
919 if (err)
920 asd_printk("Couldn't enable phys, err:%d\n", err);
921 }
922
923 static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
924 {
925
926
927 if (time < HZ)
928 return 0;
929
930 sas_drain_work(SHOST_TO_SAS_HA(shost));
931 return 1;
932 }
933
934 static ssize_t version_show(struct device_driver *driver, char *buf)
935 {
936 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
937 }
938 static DRIVER_ATTR_RO(version);
939
940 static int asd_create_driver_attrs(struct device_driver *driver)
941 {
942 return driver_create_file(driver, &driver_attr_version);
943 }
944
945 static void asd_remove_driver_attrs(struct device_driver *driver)
946 {
947 driver_remove_file(driver, &driver_attr_version);
948 }
949
950 static struct sas_domain_function_template aic94xx_transport_functions = {
951 .lldd_dev_found = asd_dev_found,
952 .lldd_dev_gone = asd_dev_gone,
953
954 .lldd_execute_task = asd_execute_task,
955
956 .lldd_abort_task = asd_abort_task,
957 .lldd_abort_task_set = asd_abort_task_set,
958 .lldd_clear_aca = asd_clear_aca,
959 .lldd_clear_task_set = asd_clear_task_set,
960 .lldd_I_T_nexus_reset = asd_I_T_nexus_reset,
961 .lldd_lu_reset = asd_lu_reset,
962 .lldd_query_task = asd_query_task,
963
964 .lldd_clear_nexus_port = asd_clear_nexus_port,
965 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
966
967 .lldd_control_phy = asd_control_phy,
968
969 .lldd_ata_set_dmamode = asd_set_dmamode,
970 };
971
972 static const struct pci_device_id aic94xx_pci_table[] = {
973 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1},
974 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1},
975 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1},
976 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1},
977 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1},
978 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2},
979 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2},
980 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2},
981 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2},
982 {}
983 };
984
985 MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
986
987 static struct pci_driver aic94xx_pci_driver = {
988 .name = ASD_DRIVER_NAME,
989 .id_table = aic94xx_pci_table,
990 .probe = asd_pci_probe,
991 .remove = asd_pci_remove,
992 };
993
994 static int __init aic94xx_init(void)
995 {
996 int err;
997
998
999 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
1000 ASD_DRIVER_VERSION);
1001
1002 err = asd_create_global_caches();
1003 if (err)
1004 return err;
1005
1006 aic94xx_transport_template =
1007 sas_domain_attach_transport(&aic94xx_transport_functions);
1008 if (!aic94xx_transport_template) {
1009 err = -ENOMEM;
1010 goto out_destroy_caches;
1011 }
1012
1013 err = pci_register_driver(&aic94xx_pci_driver);
1014 if (err)
1015 goto out_release_transport;
1016
1017 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
1018 if (err)
1019 goto out_unregister_pcidrv;
1020
1021 return err;
1022
1023 out_unregister_pcidrv:
1024 pci_unregister_driver(&aic94xx_pci_driver);
1025 out_release_transport:
1026 sas_release_transport(aic94xx_transport_template);
1027 out_destroy_caches:
1028 asd_destroy_global_caches();
1029
1030 return err;
1031 }
1032
1033 static void __exit aic94xx_exit(void)
1034 {
1035 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
1036 pci_unregister_driver(&aic94xx_pci_driver);
1037 sas_release_transport(aic94xx_transport_template);
1038 asd_release_firmware();
1039 asd_destroy_global_caches();
1040 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
1041 ASD_DRIVER_VERSION);
1042 }
1043
1044 module_init(aic94xx_init);
1045 module_exit(aic94xx_exit);
1046
1047 MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
1048 MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
1049 MODULE_LICENSE("GPL v2");
1050 MODULE_VERSION(ASD_DRIVER_VERSION);