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Diffstat (limited to 'drivers/scsi/aic94xx/aic94xx_init.c')
-rw-r--r--drivers/scsi/aic94xx/aic94xx_init.c860
1 files changed, 860 insertions, 0 deletions
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
new file mode 100644
index 000000000000..3ec2e46f80c6
--- /dev/null
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -0,0 +1,860 @@
1/*
2 * Aic94xx SAS/SATA driver initialization.
3 *
4 * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
5 * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
6 *
7 * This file is licensed under GPLv2.
8 *
9 * This file is part of the aic94xx driver.
10 *
11 * The aic94xx driver is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; version 2 of the
14 * License.
15 *
16 * The aic94xx driver is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with the aic94xx driver; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 *
25 */
26
27#include <linux/config.h>
28#include <linux/module.h>
29#include <linux/init.h>
30#include <linux/kernel.h>
31#include <linux/pci.h>
32#include <linux/delay.h>
33
34#include <scsi/scsi_host.h>
35
36#include "aic94xx.h"
37#include "aic94xx_reg.h"
38#include "aic94xx_hwi.h"
39#include "aic94xx_seq.h"
40
41/* The format is "version.release.patchlevel" */
42#define ASD_DRIVER_VERSION "1.0.2"
43
44static int use_msi = 0;
45module_param_named(use_msi, use_msi, int, S_IRUGO);
46MODULE_PARM_DESC(use_msi, "\n"
47 "\tEnable(1) or disable(0) using PCI MSI.\n"
48 "\tDefault: 0");
49
50static int lldd_max_execute_num = 0;
51module_param_named(collector, lldd_max_execute_num, int, S_IRUGO);
52MODULE_PARM_DESC(collector, "\n"
53 "\tIf greater than one, tells the SAS Layer to run in Task Collector\n"
54 "\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n"
55 "\tThe aic94xx SAS LLDD supports both modes.\n"
56 "\tDefault: 0 (Direct Mode).\n");
57
58char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
59
60static struct scsi_transport_template *aic94xx_transport_template;
61
62static struct scsi_host_template aic94xx_sht = {
63 .module = THIS_MODULE,
64 /* .name is initialized */
65 .name = "aic94xx",
66 .queuecommand = sas_queuecommand,
67 .target_alloc = sas_target_alloc,
68 .slave_configure = sas_slave_configure,
69 .slave_destroy = sas_slave_destroy,
70 .change_queue_depth = sas_change_queue_depth,
71 .change_queue_type = sas_change_queue_type,
72 .bios_param = sas_bios_param,
73 .can_queue = 1,
74 .cmd_per_lun = 1,
75 .this_id = -1,
76 .sg_tablesize = SG_ALL,
77 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
78 .use_clustering = ENABLE_CLUSTERING,
79};
80
81static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
82{
83 int err, i;
84 struct asd_ha_addrspace *io_handle;
85
86 asd_ha->iospace = 0;
87 for (i = 0; i < 3; i += 2) {
88 io_handle = &asd_ha->io_handle[i==0?0:1];
89 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
90 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
91 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
92 err = -ENODEV;
93 if (!io_handle->start || !io_handle->len) {
94 asd_printk("MBAR%d start or length for %s is 0.\n",
95 i==0?0:1, pci_name(asd_ha->pcidev));
96 goto Err;
97 }
98 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
99 if (err) {
100 asd_printk("couldn't reserve memory region for %s\n",
101 pci_name(asd_ha->pcidev));
102 goto Err;
103 }
104 if (io_handle->flags & IORESOURCE_CACHEABLE)
105 io_handle->addr = ioremap(io_handle->start,
106 io_handle->len);
107 else
108 io_handle->addr = ioremap_nocache(io_handle->start,
109 io_handle->len);
110 if (!io_handle->addr) {
111 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
112 pci_name(asd_ha->pcidev));
113 goto Err_unreq;
114 }
115 }
116
117 return 0;
118Err_unreq:
119 pci_release_region(asd_ha->pcidev, i);
120Err:
121 if (i > 0) {
122 io_handle = &asd_ha->io_handle[0];
123 iounmap(io_handle->addr);
124 pci_release_region(asd_ha->pcidev, 0);
125 }
126 return err;
127}
128
129static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
130{
131 struct asd_ha_addrspace *io_handle;
132
133 io_handle = &asd_ha->io_handle[1];
134 iounmap(io_handle->addr);
135 pci_release_region(asd_ha->pcidev, 2);
136
137 io_handle = &asd_ha->io_handle[0];
138 iounmap(io_handle->addr);
139 pci_release_region(asd_ha->pcidev, 0);
140}
141
142static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
143{
144 int i = PCI_IOBAR_OFFSET, err;
145 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
146
147 asd_ha->iospace = 1;
148 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
149 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
150 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
151 io_handle->addr = (void __iomem *) io_handle->start;
152 if (!io_handle->start || !io_handle->len) {
153 asd_printk("couldn't get IO ports for %s\n",
154 pci_name(asd_ha->pcidev));
155 return -ENODEV;
156 }
157 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
158 if (err) {
159 asd_printk("couldn't reserve io space for %s\n",
160 pci_name(asd_ha->pcidev));
161 }
162
163 return err;
164}
165
166static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
167{
168 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
169}
170
171static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
172{
173 int err;
174 u16 cmd_reg;
175
176 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
177 if (err) {
178 asd_printk("couldn't read command register of %s\n",
179 pci_name(asd_ha->pcidev));
180 goto Err;
181 }
182
183 err = -ENODEV;
184 if (cmd_reg & PCI_COMMAND_MEMORY) {
185 if ((err = asd_map_memio(asd_ha)))
186 goto Err;
187 } else if (cmd_reg & PCI_COMMAND_IO) {
188 if ((err = asd_map_ioport(asd_ha)))
189 goto Err;
190 asd_printk("%s ioport mapped -- upgrade your hardware\n",
191 pci_name(asd_ha->pcidev));
192 } else {
193 asd_printk("no proper device access to %s\n",
194 pci_name(asd_ha->pcidev));
195 goto Err;
196 }
197
198 return 0;
199Err:
200 return err;
201}
202
203static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
204{
205 if (asd_ha->iospace)
206 asd_unmap_ioport(asd_ha);
207 else
208 asd_unmap_memio(asd_ha);
209}
210
211static const char *asd_dev_rev[30] = {
212 [0] = "A0",
213 [1] = "A1",
214 [8] = "B0",
215};
216
217static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
218{
219 int err, i;
220
221 err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID,
222 &asd_ha->revision_id);
223 if (err) {
224 asd_printk("couldn't read REVISION ID register of %s\n",
225 pci_name(asd_ha->pcidev));
226 goto Err;
227 }
228 err = -ENODEV;
229 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
230 asd_printk("%s is revision %s (%X), which is not supported\n",
231 pci_name(asd_ha->pcidev),
232 asd_dev_rev[asd_ha->revision_id],
233 asd_ha->revision_id);
234 goto Err;
235 }
236 /* Provide some sane default values. */
237 asd_ha->hw_prof.max_scbs = 512;
238 asd_ha->hw_prof.max_ddbs = 128;
239 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
240 /* All phys are enabled, by default. */
241 asd_ha->hw_prof.enabled_phys = 0xFF;
242 for (i = 0; i < ASD_MAX_PHYS; i++) {
243 asd_ha->hw_prof.phy_desc[i].max_sas_lrate = PHY_LINKRATE_3;
244 asd_ha->hw_prof.phy_desc[i].min_sas_lrate = PHY_LINKRATE_1_5;
245 asd_ha->hw_prof.phy_desc[i].max_sata_lrate= PHY_LINKRATE_1_5;
246 asd_ha->hw_prof.phy_desc[i].min_sata_lrate= PHY_LINKRATE_1_5;
247 }
248
249 return 0;
250Err:
251 return err;
252}
253
254static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
255{
256 int err = asd_common_setup(asd_ha);
257
258 if (err)
259 return err;
260
261 asd_ha->hw_prof.addr_range = 8;
262 asd_ha->hw_prof.port_name_base = 0;
263 asd_ha->hw_prof.dev_name_base = 8;
264 asd_ha->hw_prof.sata_name_base = 16;
265
266 return 0;
267}
268
269static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
270{
271 int err = asd_common_setup(asd_ha);
272
273 if (err)
274 return err;
275
276 asd_ha->hw_prof.addr_range = 4;
277 asd_ha->hw_prof.port_name_base = 0;
278 asd_ha->hw_prof.dev_name_base = 4;
279 asd_ha->hw_prof.sata_name_base = 8;
280
281 return 0;
282}
283
284static ssize_t asd_show_dev_rev(struct device *dev,
285 struct device_attribute *attr, char *buf)
286{
287 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
288 return snprintf(buf, PAGE_SIZE, "%s\n",
289 asd_dev_rev[asd_ha->revision_id]);
290}
291static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
292
293static ssize_t asd_show_dev_bios_build(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, "%d\n", asd_ha->hw_prof.bios.bld);
298}
299static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
300
301static ssize_t asd_show_dev_pcba_sn(struct device *dev,
302 struct device_attribute *attr, char *buf)
303{
304 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
305 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
306}
307static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
308
309static void asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
310{
311 device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
312 device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
313 device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
314}
315
316static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
317{
318 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
319 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
320 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
321}
322
323/* The first entry, 0, is used for dynamic ids, the rest for devices
324 * we know about.
325 */
326static struct asd_pcidev_struct {
327 const char * name;
328 int (*setup)(struct asd_ha_struct *asd_ha);
329} asd_pcidev_data[] = {
330 /* Id 0 is used for dynamic ids. */
331 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
332 .setup = asd_aic9410_setup
333 },
334 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
335 .setup = asd_aic9410_setup
336 },
337 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
338 .setup = asd_aic9405_setup
339 },
340};
341
342static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
343{
344 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
345 &asd_ha->pcidev->dev,
346 sizeof(struct scb),
347 8, 0);
348 if (!asd_ha->scb_pool) {
349 asd_printk("couldn't create scb pool\n");
350 return -ENOMEM;
351 }
352
353 return 0;
354}
355
356/**
357 * asd_free_edbs -- free empty data buffers
358 * asd_ha: pointer to host adapter structure
359 */
360static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
361{
362 struct asd_seq_data *seq = &asd_ha->seq;
363 int i;
364
365 for (i = 0; i < seq->num_edbs; i++)
366 asd_free_coherent(asd_ha, seq->edb_arr[i]);
367 kfree(seq->edb_arr);
368 seq->edb_arr = NULL;
369}
370
371static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
372{
373 struct asd_seq_data *seq = &asd_ha->seq;
374 int i;
375
376 for (i = 0; i < seq->num_escbs; i++) {
377 if (!list_empty(&seq->escb_arr[i]->list))
378 list_del_init(&seq->escb_arr[i]->list);
379
380 asd_ascb_free(seq->escb_arr[i]);
381 }
382 kfree(seq->escb_arr);
383 seq->escb_arr = NULL;
384}
385
386static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
387{
388 int i;
389
390 if (asd_ha->hw_prof.ddb_ext)
391 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
392 if (asd_ha->hw_prof.scb_ext)
393 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
394
395 if (asd_ha->hw_prof.ddb_bitmap)
396 kfree(asd_ha->hw_prof.ddb_bitmap);
397 asd_ha->hw_prof.ddb_bitmap = NULL;
398
399 for (i = 0; i < ASD_MAX_PHYS; i++) {
400 struct asd_phy *phy = &asd_ha->phys[i];
401
402 asd_free_coherent(asd_ha, phy->id_frm_tok);
403 }
404 if (asd_ha->seq.escb_arr)
405 asd_free_escbs(asd_ha);
406 if (asd_ha->seq.edb_arr)
407 asd_free_edbs(asd_ha);
408 if (asd_ha->hw_prof.ue.area) {
409 kfree(asd_ha->hw_prof.ue.area);
410 asd_ha->hw_prof.ue.area = NULL;
411 }
412 if (asd_ha->seq.tc_index_array) {
413 kfree(asd_ha->seq.tc_index_array);
414 kfree(asd_ha->seq.tc_index_bitmap);
415 asd_ha->seq.tc_index_array = NULL;
416 asd_ha->seq.tc_index_bitmap = NULL;
417 }
418 if (asd_ha->seq.actual_dl) {
419 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
420 asd_ha->seq.actual_dl = NULL;
421 asd_ha->seq.dl = NULL;
422 }
423 if (asd_ha->seq.next_scb.vaddr) {
424 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
425 asd_ha->seq.next_scb.dma_handle);
426 asd_ha->seq.next_scb.vaddr = NULL;
427 }
428 dma_pool_destroy(asd_ha->scb_pool);
429 asd_ha->scb_pool = NULL;
430}
431
432kmem_cache_t *asd_dma_token_cache;
433kmem_cache_t *asd_ascb_cache;
434
435static int asd_create_global_caches(void)
436{
437 if (!asd_dma_token_cache) {
438 asd_dma_token_cache
439 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
440 sizeof(struct asd_dma_tok),
441 0,
442 SLAB_HWCACHE_ALIGN,
443 NULL, NULL);
444 if (!asd_dma_token_cache) {
445 asd_printk("couldn't create dma token cache\n");
446 return -ENOMEM;
447 }
448 }
449
450 if (!asd_ascb_cache) {
451 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
452 sizeof(struct asd_ascb),
453 0,
454 SLAB_HWCACHE_ALIGN,
455 NULL, NULL);
456 if (!asd_ascb_cache) {
457 asd_printk("couldn't create ascb cache\n");
458 goto Err;
459 }
460 }
461
462 return 0;
463Err:
464 kmem_cache_destroy(asd_dma_token_cache);
465 asd_dma_token_cache = NULL;
466 return -ENOMEM;
467}
468
469static void asd_destroy_global_caches(void)
470{
471 if (asd_dma_token_cache)
472 kmem_cache_destroy(asd_dma_token_cache);
473 asd_dma_token_cache = NULL;
474
475 if (asd_ascb_cache)
476 kmem_cache_destroy(asd_ascb_cache);
477 asd_ascb_cache = NULL;
478}
479
480static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
481{
482 int i;
483 struct asd_sas_phy **sas_phys =
484 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
485 struct asd_sas_port **sas_ports =
486 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
487
488 if (!sas_phys || !sas_ports) {
489 kfree(sas_phys);
490 kfree(sas_ports);
491 return -ENOMEM;
492 }
493
494 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
495 asd_ha->sas_ha.lldd_module = THIS_MODULE;
496 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
497
498 for (i = 0; i < ASD_MAX_PHYS; i++) {
499 sas_phys[i] = &asd_ha->phys[i].sas_phy;
500 sas_ports[i] = &asd_ha->ports[i];
501 }
502
503 asd_ha->sas_ha.sas_phy = sas_phys;
504 asd_ha->sas_ha.sas_port= sas_ports;
505 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
506
507 asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
508
509 return sas_register_ha(&asd_ha->sas_ha);
510}
511
512static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
513{
514 int err;
515
516 err = sas_unregister_ha(&asd_ha->sas_ha);
517
518 sas_remove_host(asd_ha->sas_ha.core.shost);
519 scsi_remove_host(asd_ha->sas_ha.core.shost);
520 scsi_host_put(asd_ha->sas_ha.core.shost);
521
522 kfree(asd_ha->sas_ha.sas_phy);
523 kfree(asd_ha->sas_ha.sas_port);
524
525 return err;
526}
527
528static int __devinit asd_pci_probe(struct pci_dev *dev,
529 const struct pci_device_id *id)
530{
531 struct asd_pcidev_struct *asd_dev;
532 unsigned asd_id = (unsigned) id->driver_data;
533 struct asd_ha_struct *asd_ha;
534 struct Scsi_Host *shost;
535 int err;
536
537 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
538 asd_printk("wrong driver_data in PCI table\n");
539 return -ENODEV;
540 }
541
542 if ((err = pci_enable_device(dev))) {
543 asd_printk("couldn't enable device %s\n", pci_name(dev));
544 return err;
545 }
546
547 pci_set_master(dev);
548
549 err = -ENOMEM;
550
551 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
552 if (!shost)
553 goto Err;
554
555 asd_dev = &asd_pcidev_data[asd_id];
556
557 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
558 if (!asd_ha) {
559 asd_printk("out of memory\n");
560 goto Err;
561 }
562 asd_ha->pcidev = dev;
563 asd_ha->sas_ha.pcidev = asd_ha->pcidev;
564 asd_ha->sas_ha.lldd_ha = asd_ha;
565
566 asd_ha->name = asd_dev->name;
567 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
568
569 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
570 asd_ha->sas_ha.core.shost = shost;
571 shost->transportt = aic94xx_transport_template;
572 shost->max_id = ~0;
573 shost->max_lun = ~0;
574 shost->max_cmd_len = 16;
575
576 err = scsi_add_host(shost, &dev->dev);
577 if (err) {
578 scsi_host_put(shost);
579 goto Err_free;
580 }
581
582
583
584 err = asd_dev->setup(asd_ha);
585 if (err)
586 goto Err_free;
587
588 err = -ENODEV;
589 if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
590 && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
591 ;
592 else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
593 && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
594 ;
595 else {
596 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
597 goto Err_free;
598 }
599
600 pci_set_drvdata(dev, asd_ha);
601
602 err = asd_map_ha(asd_ha);
603 if (err)
604 goto Err_free;
605
606 err = asd_create_ha_caches(asd_ha);
607 if (err)
608 goto Err_unmap;
609
610 err = asd_init_hw(asd_ha);
611 if (err)
612 goto Err_free_cache;
613
614 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
615 "phys, flash %s, BIOS %s%d\n",
616 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
617 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
618 asd_ha->hw_prof.num_phys,
619 asd_ha->hw_prof.flash.present ? "present" : "not present",
620 asd_ha->hw_prof.bios.present ? "build " : "not present",
621 asd_ha->hw_prof.bios.bld);
622
623 if (use_msi)
624 pci_enable_msi(asd_ha->pcidev);
625
626 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ,
627 ASD_DRIVER_NAME, asd_ha);
628 if (err) {
629 asd_printk("couldn't get irq %d for %s\n",
630 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
631 goto Err_irq;
632 }
633 asd_enable_ints(asd_ha);
634
635 err = asd_init_post_escbs(asd_ha);
636 if (err) {
637 asd_printk("couldn't post escbs for %s\n",
638 pci_name(asd_ha->pcidev));
639 goto Err_escbs;
640 }
641 ASD_DPRINTK("escbs posted\n");
642
643 asd_create_dev_attrs(asd_ha);
644
645 err = asd_register_sas_ha(asd_ha);
646 if (err)
647 goto Err_reg_sas;
648
649 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
650 if (err) {
651 asd_printk("coudln't enable phys, err:%d\n", err);
652 goto Err_en_phys;
653 }
654 ASD_DPRINTK("enabled phys\n");
655 /* give the phy enabling interrupt event time to come in (1s
656 * is empirically about all it takes) */
657 ssleep(1);
658 /* Wait for discovery to finish */
659 scsi_flush_work(asd_ha->sas_ha.core.shost);
660
661 return 0;
662Err_en_phys:
663 asd_unregister_sas_ha(asd_ha);
664Err_reg_sas:
665 asd_remove_dev_attrs(asd_ha);
666Err_escbs:
667 asd_disable_ints(asd_ha);
668 free_irq(dev->irq, asd_ha);
669Err_irq:
670 if (use_msi)
671 pci_disable_msi(dev);
672 asd_chip_hardrst(asd_ha);
673Err_free_cache:
674 asd_destroy_ha_caches(asd_ha);
675Err_unmap:
676 asd_unmap_ha(asd_ha);
677Err_free:
678 kfree(asd_ha);
679 scsi_remove_host(shost);
680Err:
681 pci_disable_device(dev);
682 return err;
683}
684
685static void asd_free_queues(struct asd_ha_struct *asd_ha)
686{
687 unsigned long flags;
688 LIST_HEAD(pending);
689 struct list_head *n, *pos;
690
691 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
692 asd_ha->seq.pending = 0;
693 list_splice_init(&asd_ha->seq.pend_q, &pending);
694 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
695
696 if (!list_empty(&pending))
697 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
698
699 list_for_each_safe(pos, n, &pending) {
700 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
701 list_del_init(pos);
702 ASD_DPRINTK("freeing from pending\n");
703 asd_ascb_free(ascb);
704 }
705}
706
707static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
708{
709 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
710 u8 i;
711
712 for_each_phy(phy_mask, phy_mask, i) {
713 asd_turn_led(asd_ha, i, 0);
714 asd_control_led(asd_ha, i, 0);
715 }
716}
717
718static void __devexit asd_pci_remove(struct pci_dev *dev)
719{
720 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
721
722 if (!asd_ha)
723 return;
724
725 asd_unregister_sas_ha(asd_ha);
726
727 asd_disable_ints(asd_ha);
728
729 asd_remove_dev_attrs(asd_ha);
730
731 /* XXX more here as needed */
732
733 free_irq(dev->irq, asd_ha);
734 if (use_msi)
735 pci_disable_msi(asd_ha->pcidev);
736 asd_turn_off_leds(asd_ha);
737 asd_chip_hardrst(asd_ha);
738 asd_free_queues(asd_ha);
739 asd_destroy_ha_caches(asd_ha);
740 asd_unmap_ha(asd_ha);
741 kfree(asd_ha);
742 pci_disable_device(dev);
743 return;
744}
745
746static ssize_t asd_version_show(struct device_driver *driver, char *buf)
747{
748 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
749}
750static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
751
752static void asd_create_driver_attrs(struct device_driver *driver)
753{
754 driver_create_file(driver, &driver_attr_version);
755}
756
757static void asd_remove_driver_attrs(struct device_driver *driver)
758{
759 driver_remove_file(driver, &driver_attr_version);
760}
761
762static struct sas_domain_function_template aic94xx_transport_functions = {
763 .lldd_port_formed = asd_update_port_links,
764
765 .lldd_dev_found = asd_dev_found,
766 .lldd_dev_gone = asd_dev_gone,
767
768 .lldd_execute_task = asd_execute_task,
769
770 .lldd_abort_task = asd_abort_task,
771 .lldd_abort_task_set = asd_abort_task_set,
772 .lldd_clear_aca = asd_clear_aca,
773 .lldd_clear_task_set = asd_clear_task_set,
774 .lldd_I_T_nexus_reset = NULL,
775 .lldd_lu_reset = asd_lu_reset,
776 .lldd_query_task = asd_query_task,
777
778 .lldd_clear_nexus_port = asd_clear_nexus_port,
779 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
780
781 .lldd_control_phy = asd_control_phy,
782};
783
784static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
785 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
786 0, 0, 1},
787 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
788 0, 0, 1},
789 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
790 0, 0, 1},
791 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
792 0, 0, 2},
793 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
794 0, 0, 2},
795 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
796 0, 0, 2},
797 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
798 0, 0, 2},
799 {}
800};
801
802MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
803
804static struct pci_driver aic94xx_pci_driver = {
805 .name = ASD_DRIVER_NAME,
806 .id_table = aic94xx_pci_table,
807 .probe = asd_pci_probe,
808 .remove = __devexit_p(asd_pci_remove),
809};
810
811static int __init aic94xx_init(void)
812{
813 int err;
814
815
816 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
817 ASD_DRIVER_VERSION);
818
819 err = asd_create_global_caches();
820 if (err)
821 return err;
822
823 aic94xx_transport_template =
824 sas_domain_attach_transport(&aic94xx_transport_functions);
825 if (err)
826 goto out_destroy_caches;
827
828 err = pci_register_driver(&aic94xx_pci_driver);
829 if (err)
830 goto out_release_transport;
831
832 asd_create_driver_attrs(&aic94xx_pci_driver.driver);
833
834 return err;
835
836 out_release_transport:
837 sas_release_transport(aic94xx_transport_template);
838 out_destroy_caches:
839 asd_destroy_global_caches();
840
841 return err;
842}
843
844static void __exit aic94xx_exit(void)
845{
846 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
847 pci_unregister_driver(&aic94xx_pci_driver);
848 sas_release_transport(aic94xx_transport_template);
849 asd_destroy_global_caches();
850 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
851 ASD_DRIVER_VERSION);
852}
853
854module_init(aic94xx_init);
855module_exit(aic94xx_exit);
856
857MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
858MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
859MODULE_LICENSE("GPL v2");
860MODULE_VERSION(ASD_DRIVER_VERSION);
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-26 01:11:20 -0500