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PCI: Change all drivers to use pci_device->revision
[GitHub/LineageOS/android_kernel_motorola_exynos9610.git] / drivers / scsi / aic94xx / aic94xx_init.c
CommitLineData
2908d778
JB		 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
2908d778
JB		 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
33#include <scsi/scsi_host.h>
34
35#include "aic94xx.h"
36#include "aic94xx_reg.h"
37#include "aic94xx_hwi.h"
38#include "aic94xx_seq.h"
39
40/* The format is "version.release.patchlevel" */
86b9c4c1 41#define ASD_DRIVER_VERSION "1.0.3"
2908d778
JB		 42
43static int use_msi = 0;
44module_param_named(use_msi, use_msi, int, S_IRUGO);
45MODULE_PARM_DESC(use_msi, "\n"
46 "\tEnable(1) or disable(0) using PCI MSI.\n"
47 "\tDefault: 0");
48
49static int lldd_max_execute_num = 0;
50module_param_named(collector, lldd_max_execute_num, int, S_IRUGO);
51MODULE_PARM_DESC(collector, "\n"
52 "\tIf greater than one, tells the SAS Layer to run in Task Collector\n"
53 "\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n"
54 "\tThe aic94xx SAS LLDD supports both modes.\n"
55 "\tDefault: 0 (Direct Mode).\n");
56
57char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
58
59static struct scsi_transport_template *aic94xx_transport_template;
e7571c15
DW		 60static int asd_scan_finished(struct Scsi_Host *, unsigned long);
61static void asd_scan_start(struct Scsi_Host *);
2908d778
JB		 62
63static struct scsi_host_template aic94xx_sht = {
64 .module = THIS_MODULE,
65 /* .name is initialized */
66 .name = "aic94xx",
67 .queuecommand = sas_queuecommand,
68 .target_alloc = sas_target_alloc,
69 .slave_configure = sas_slave_configure,
70 .slave_destroy = sas_slave_destroy,
e7571c15
DW		 71 .scan_finished = asd_scan_finished,
72 .scan_start = asd_scan_start,
2908d778
JB		 73 .change_queue_depth = sas_change_queue_depth,
74 .change_queue_type = sas_change_queue_type,
75 .bios_param = sas_bios_param,
76 .can_queue = 1,
77 .cmd_per_lun = 1,
78 .this_id = -1,
79 .sg_tablesize = SG_ALL,
80 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
81 .use_clustering = ENABLE_CLUSTERING,
111367f5 82 .eh_device_reset_handler = sas_eh_device_reset_handler,
214fbb75 83 .eh_bus_reset_handler = sas_eh_bus_reset_handler,
2908d778
JB		 84};
85
86static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
87{
88 int err, i;
89 struct asd_ha_addrspace *io_handle;
90
91 asd_ha->iospace = 0;
92 for (i = 0; i < 3; i += 2) {
93 io_handle = &asd_ha->io_handle[i==0?0:1];
94 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
95 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
96 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
97 err = -ENODEV;
98 if (!io_handle->start || !io_handle->len) {
99 asd_printk("MBAR%d start or length for %s is 0.\n",
100 i==0?0:1, pci_name(asd_ha->pcidev));
101 goto Err;
102 }
103 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
104 if (err) {
105 asd_printk("couldn't reserve memory region for %s\n",
106 pci_name(asd_ha->pcidev));
107 goto Err;
108 }
109 if (io_handle->flags & IORESOURCE_CACHEABLE)
110 io_handle->addr = ioremap(io_handle->start,
111 io_handle->len);
112 else
113 io_handle->addr = ioremap_nocache(io_handle->start,
114 io_handle->len);
115 if (!io_handle->addr) {
116 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
117 pci_name(asd_ha->pcidev));
118 goto Err_unreq;
119 }
120 }
121
122 return 0;
123Err_unreq:
124 pci_release_region(asd_ha->pcidev, i);
125Err:
126 if (i > 0) {
127 io_handle = &asd_ha->io_handle[0];
128 iounmap(io_handle->addr);
129 pci_release_region(asd_ha->pcidev, 0);
130 }
131 return err;
132}
133
134static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
135{
136 struct asd_ha_addrspace *io_handle;
137
138 io_handle = &asd_ha->io_handle[1];
139 iounmap(io_handle->addr);
140 pci_release_region(asd_ha->pcidev, 2);
141
142 io_handle = &asd_ha->io_handle[0];
143 iounmap(io_handle->addr);
144 pci_release_region(asd_ha->pcidev, 0);
145}
146
147static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
148{
149 int i = PCI_IOBAR_OFFSET, err;
150 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
151
152 asd_ha->iospace = 1;
153 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
154 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
155 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
156 io_handle->addr = (void __iomem *) io_handle->start;
157 if (!io_handle->start || !io_handle->len) {
158 asd_printk("couldn't get IO ports for %s\n",
159 pci_name(asd_ha->pcidev));
160 return -ENODEV;
161 }
162 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
163 if (err) {
164 asd_printk("couldn't reserve io space for %s\n",
165 pci_name(asd_ha->pcidev));
166 }
167
168 return err;
169}
170
171static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
172{
173 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
174}
175
176static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
177{
178 int err;
179 u16 cmd_reg;
180
181 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
182 if (err) {
183 asd_printk("couldn't read command register of %s\n",
184 pci_name(asd_ha->pcidev));
185 goto Err;
186 }
187
188 err = -ENODEV;
189 if (cmd_reg & PCI_COMMAND_MEMORY) {
190 if ((err = asd_map_memio(asd_ha)))
191 goto Err;
192 } else if (cmd_reg & PCI_COMMAND_IO) {
193 if ((err = asd_map_ioport(asd_ha)))
194 goto Err;
195 asd_printk("%s ioport mapped -- upgrade your hardware\n",
196 pci_name(asd_ha->pcidev));
197 } else {
198 asd_printk("no proper device access to %s\n",
199 pci_name(asd_ha->pcidev));
200 goto Err;
201 }
202
203 return 0;
204Err:
205 return err;
206}
207
208static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
209{
210 if (asd_ha->iospace)
211 asd_unmap_ioport(asd_ha);
212 else
213 asd_unmap_memio(asd_ha);
214}
215
216static const char *asd_dev_rev[30] = {
217 [0] = "A0",
218 [1] = "A1",
219 [8] = "B0",
220};
221
222static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
223{
224 int err, i;
225
44c10138
AK		 226 asd_ha->revision_id = asd_ha->pcidev->revision;
227
2908d778
JB		 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;
3b709df5 238 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
2908d778
JB		 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++) {
88edf746
JB		 243 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
244 SAS_LINK_RATE_3_0_GBPS;
245 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
246 SAS_LINK_RATE_1_5_GBPS;
247 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
248 SAS_LINK_RATE_1_5_GBPS;
249 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
250 SAS_LINK_RATE_1_5_GBPS;
2908d778
JB		 251 }
252
253 return 0;
254Err:
255 return err;
256}
257
258static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
259{
260 int err = asd_common_setup(asd_ha);
261
262 if (err)
263 return err;
264
265 asd_ha->hw_prof.addr_range = 8;
266 asd_ha->hw_prof.port_name_base = 0;
267 asd_ha->hw_prof.dev_name_base = 8;
268 asd_ha->hw_prof.sata_name_base = 16;
269
270 return 0;
271}
272
273static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
274{
275 int err = asd_common_setup(asd_ha);
276
277 if (err)
278 return err;
279
280 asd_ha->hw_prof.addr_range = 4;
281 asd_ha->hw_prof.port_name_base = 0;
282 asd_ha->hw_prof.dev_name_base = 4;
283 asd_ha->hw_prof.sata_name_base = 8;
284
285 return 0;
286}
287
288static ssize_t asd_show_dev_rev(struct device *dev,
289 struct device_attribute *attr, char *buf)
290{
291 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
292 return snprintf(buf, PAGE_SIZE, "%s\n",
293 asd_dev_rev[asd_ha->revision_id]);
294}
295static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
296
297static ssize_t asd_show_dev_bios_build(struct device *dev,
298 struct device_attribute *attr,char *buf)
299{
300 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
301 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
302}
303static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
304
305static ssize_t asd_show_dev_pcba_sn(struct device *dev,
306 struct device_attribute *attr, char *buf)
307{
308 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
309 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
310}
311static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
312
bb076620 313static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
2908d778 314{
bb076620
JG		 315 int err;
316
317 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
318 if (err)
319 return err;
320
321 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
322 if (err)
323 goto err_rev;
324
325 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
326 if (err)
327 goto err_biosb;
328
329 return 0;
330
331err_biosb:
332 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
333err_rev:
334 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
335 return err;
2908d778
JB		 336}
337
338static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
339{
340 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
341 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
342 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
343}
344
345/* The first entry, 0, is used for dynamic ids, the rest for devices
346 * we know about.
347 */
348static struct asd_pcidev_struct {
349 const char * name;
350 int (*setup)(struct asd_ha_struct *asd_ha);
351} asd_pcidev_data[] = {
352 /* Id 0 is used for dynamic ids. */
353 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
354 .setup = asd_aic9410_setup
355 },
356 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
357 .setup = asd_aic9410_setup
358 },
359 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
360 .setup = asd_aic9405_setup
361 },
362};
363
364static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
365{
366 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
367 &asd_ha->pcidev->dev,
368 sizeof(struct scb),
369 8, 0);
370 if (!asd_ha->scb_pool) {
371 asd_printk("couldn't create scb pool\n");
372 return -ENOMEM;
373 }
374
375 return 0;
376}
377
378/**
379 * asd_free_edbs -- free empty data buffers
380 * asd_ha: pointer to host adapter structure
381 */
382static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
383{
384 struct asd_seq_data *seq = &asd_ha->seq;
385 int i;
386
387 for (i = 0; i < seq->num_edbs; i++)
388 asd_free_coherent(asd_ha, seq->edb_arr[i]);
389 kfree(seq->edb_arr);
390 seq->edb_arr = NULL;
391}
392
393static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
394{
395 struct asd_seq_data *seq = &asd_ha->seq;
396 int i;
397
398 for (i = 0; i < seq->num_escbs; i++) {
399 if (!list_empty(&seq->escb_arr[i]->list))
400 list_del_init(&seq->escb_arr[i]->list);
401
402 asd_ascb_free(seq->escb_arr[i]);
403 }
404 kfree(seq->escb_arr);
405 seq->escb_arr = NULL;
406}
407
408static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
409{
410 int i;
411
412 if (asd_ha->hw_prof.ddb_ext)
413 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
414 if (asd_ha->hw_prof.scb_ext)
415 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
416
417 if (asd_ha->hw_prof.ddb_bitmap)
418 kfree(asd_ha->hw_prof.ddb_bitmap);
419 asd_ha->hw_prof.ddb_bitmap = NULL;
420
421 for (i = 0; i < ASD_MAX_PHYS; i++) {
422 struct asd_phy *phy = &asd_ha->phys[i];
423
424 asd_free_coherent(asd_ha, phy->id_frm_tok);
425 }
426 if (asd_ha->seq.escb_arr)
427 asd_free_escbs(asd_ha);
428 if (asd_ha->seq.edb_arr)
429 asd_free_edbs(asd_ha);
430 if (asd_ha->hw_prof.ue.area) {
431 kfree(asd_ha->hw_prof.ue.area);
432 asd_ha->hw_prof.ue.area = NULL;
433 }
434 if (asd_ha->seq.tc_index_array) {
435 kfree(asd_ha->seq.tc_index_array);
436 kfree(asd_ha->seq.tc_index_bitmap);
437 asd_ha->seq.tc_index_array = NULL;
438 asd_ha->seq.tc_index_bitmap = NULL;
439 }
440 if (asd_ha->seq.actual_dl) {
441 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
442 asd_ha->seq.actual_dl = NULL;
443 asd_ha->seq.dl = NULL;
444 }
445 if (asd_ha->seq.next_scb.vaddr) {
446 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
447 asd_ha->seq.next_scb.dma_handle);
448 asd_ha->seq.next_scb.vaddr = NULL;
449 }
450 dma_pool_destroy(asd_ha->scb_pool);
451 asd_ha->scb_pool = NULL;
452}
453
e18b890b
CL		 454struct kmem_cache *asd_dma_token_cache;
455struct kmem_cache *asd_ascb_cache;
2908d778
JB		 456
457static int asd_create_global_caches(void)
458{
459 if (!asd_dma_token_cache) {
460 asd_dma_token_cache
461 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
462 sizeof(struct asd_dma_tok),
463 0,
464 SLAB_HWCACHE_ALIGN,
465 NULL, NULL);
466 if (!asd_dma_token_cache) {
467 asd_printk("couldn't create dma token cache\n");
468 return -ENOMEM;
469 }
470 }
471
472 if (!asd_ascb_cache) {
473 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
474 sizeof(struct asd_ascb),
475 0,
476 SLAB_HWCACHE_ALIGN,
477 NULL, NULL);
478 if (!asd_ascb_cache) {
479 asd_printk("couldn't create ascb cache\n");
480 goto Err;
481 }
482 }
483
484 return 0;
485Err:
486 kmem_cache_destroy(asd_dma_token_cache);
487 asd_dma_token_cache = NULL;
488 return -ENOMEM;
489}
490
491static void asd_destroy_global_caches(void)
492{
493 if (asd_dma_token_cache)
494 kmem_cache_destroy(asd_dma_token_cache);
495 asd_dma_token_cache = NULL;
496
497 if (asd_ascb_cache)
498 kmem_cache_destroy(asd_ascb_cache);
499 asd_ascb_cache = NULL;
500}
501
502static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
503{
504 int i;
505 struct asd_sas_phy **sas_phys =
506 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
507 struct asd_sas_port **sas_ports =
508 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
509
510 if (!sas_phys || !sas_ports) {
511 kfree(sas_phys);
512 kfree(sas_ports);
513 return -ENOMEM;
514 }
515
516 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
517 asd_ha->sas_ha.lldd_module = THIS_MODULE;
518 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
519
520 for (i = 0; i < ASD_MAX_PHYS; i++) {
521 sas_phys[i] = &asd_ha->phys[i].sas_phy;
522 sas_ports[i] = &asd_ha->ports[i];
523 }
524
525 asd_ha->sas_ha.sas_phy = sas_phys;
526 asd_ha->sas_ha.sas_port= sas_ports;
527 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
528
529 asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
f1216420 530 asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num;
2908d778
JB		 531
532 return sas_register_ha(&asd_ha->sas_ha);
533}
534
535static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
536{
537 int err;
538
539 err = sas_unregister_ha(&asd_ha->sas_ha);
540
541 sas_remove_host(asd_ha->sas_ha.core.shost);
542 scsi_remove_host(asd_ha->sas_ha.core.shost);
543 scsi_host_put(asd_ha->sas_ha.core.shost);
544
545 kfree(asd_ha->sas_ha.sas_phy);
546 kfree(asd_ha->sas_ha.sas_port);
547
548 return err;
549}
550
551static int __devinit asd_pci_probe(struct pci_dev *dev,
552 const struct pci_device_id *id)
553{
554 struct asd_pcidev_struct *asd_dev;
555 unsigned asd_id = (unsigned) id->driver_data;
556 struct asd_ha_struct *asd_ha;
557 struct Scsi_Host *shost;
558 int err;
559
560 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
561 asd_printk("wrong driver_data in PCI table\n");
562 return -ENODEV;
563 }
564
565 if ((err = pci_enable_device(dev))) {
566 asd_printk("couldn't enable device %s\n", pci_name(dev));
567 return err;
568 }
569
570 pci_set_master(dev);
571
572 err = -ENOMEM;
573
574 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
575 if (!shost)
576 goto Err;
577
578 asd_dev = &asd_pcidev_data[asd_id];
579
580 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
581 if (!asd_ha) {
582 asd_printk("out of memory\n");
583 goto Err;
584 }
585 asd_ha->pcidev = dev;
586 asd_ha->sas_ha.pcidev = asd_ha->pcidev;
587 asd_ha->sas_ha.lldd_ha = asd_ha;
588
589 asd_ha->name = asd_dev->name;
590 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
591
592 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
593 asd_ha->sas_ha.core.shost = shost;
594 shost->transportt = aic94xx_transport_template;
595 shost->max_id = ~0;
596 shost->max_lun = ~0;
597 shost->max_cmd_len = 16;
598
599 err = scsi_add_host(shost, &dev->dev);
600 if (err) {
601 scsi_host_put(shost);
602 goto Err_free;
603 }
604
605
606
607 err = asd_dev->setup(asd_ha);
608 if (err)
609 goto Err_free;
610
611 err = -ENODEV;
612 if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
613 && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
614 ;
615 else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
616 && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
617 ;
618 else {
619 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
620 goto Err_free;
621 }
622
623 pci_set_drvdata(dev, asd_ha);
624
625 err = asd_map_ha(asd_ha);
626 if (err)
627 goto Err_free;
628
629 err = asd_create_ha_caches(asd_ha);
630 if (err)
631 goto Err_unmap;
632
633 err = asd_init_hw(asd_ha);
634 if (err)
635 goto Err_free_cache;
636
637 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
638 "phys, flash %s, BIOS %s%d\n",
639 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
640 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
641 asd_ha->hw_prof.num_phys,
642 asd_ha->hw_prof.flash.present ? "present" : "not present",
643 asd_ha->hw_prof.bios.present ? "build " : "not present",
644 asd_ha->hw_prof.bios.bld);
645
f19eaa7f
DW		 646 shost->can_queue = asd_ha->seq.can_queue;
647
2908d778
JB		 648 if (use_msi)
649 pci_enable_msi(asd_ha->pcidev);
650
38515e90 651 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED,
2908d778
JB		 652 ASD_DRIVER_NAME, asd_ha);
653 if (err) {
654 asd_printk("couldn't get irq %d for %s\n",
655 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
656 goto Err_irq;
657 }
658 asd_enable_ints(asd_ha);
659
660 err = asd_init_post_escbs(asd_ha);
661 if (err) {
662 asd_printk("couldn't post escbs for %s\n",
663 pci_name(asd_ha->pcidev));
664 goto Err_escbs;
665 }
666 ASD_DPRINTK("escbs posted\n");
667
bb076620
JG		 668 err = asd_create_dev_attrs(asd_ha);
669 if (err)
670 goto Err_dev_attrs;
2908d778
JB		 671
672 err = asd_register_sas_ha(asd_ha);
673 if (err)
674 goto Err_reg_sas;
675
e7571c15 676 scsi_scan_host(shost);
2908d778
JB		 677
678 return 0;
e7571c15 679
2908d778
JB		 680Err_reg_sas:
681 asd_remove_dev_attrs(asd_ha);
bb076620 682Err_dev_attrs:
2908d778
JB		 683Err_escbs:
684 asd_disable_ints(asd_ha);
685 free_irq(dev->irq, asd_ha);
686Err_irq:
687 if (use_msi)
688 pci_disable_msi(dev);
689 asd_chip_hardrst(asd_ha);
690Err_free_cache:
691 asd_destroy_ha_caches(asd_ha);
692Err_unmap:
693 asd_unmap_ha(asd_ha);
694Err_free:
695 kfree(asd_ha);
696 scsi_remove_host(shost);
697Err:
698 pci_disable_device(dev);
699 return err;
700}
701
702static void asd_free_queues(struct asd_ha_struct *asd_ha)
703{
704 unsigned long flags;
705 LIST_HEAD(pending);
706 struct list_head *n, *pos;
707
708 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
709 asd_ha->seq.pending = 0;
710 list_splice_init(&asd_ha->seq.pend_q, &pending);
711 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
712
713 if (!list_empty(&pending))
714 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
715
716 list_for_each_safe(pos, n, &pending) {
717 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
7b4feee9
DW		 718 /*
719 * Delete unexpired ascb timers. This may happen if we issue
720 * a CONTROL PHY scb to an adapter and rmmod before the scb
721 * times out. Apparently we don't wait for the CONTROL PHY
722 * to complete, so it doesn't matter if we kill the timer.
723 */
724 del_timer_sync(&ascb->timer);
725 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
726
2908d778
JB		 727 list_del_init(pos);
728 ASD_DPRINTK("freeing from pending\n");
729 asd_ascb_free(ascb);
730 }
731}
732
733static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
734{
735 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
736 u8 i;
737
738 for_each_phy(phy_mask, phy_mask, i) {
739 asd_turn_led(asd_ha, i, 0);
740 asd_control_led(asd_ha, i, 0);
741 }
742}
743
744static void __devexit asd_pci_remove(struct pci_dev *dev)
745{
746 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
747
748 if (!asd_ha)
749 return;
750
751 asd_unregister_sas_ha(asd_ha);
752
753 asd_disable_ints(asd_ha);
754
755 asd_remove_dev_attrs(asd_ha);
756
757 /* XXX more here as needed */
758
759 free_irq(dev->irq, asd_ha);
760 if (use_msi)
761 pci_disable_msi(asd_ha->pcidev);
762 asd_turn_off_leds(asd_ha);
763 asd_chip_hardrst(asd_ha);
764 asd_free_queues(asd_ha);
765 asd_destroy_ha_caches(asd_ha);
766 asd_unmap_ha(asd_ha);
767 kfree(asd_ha);
768 pci_disable_device(dev);
769 return;
770}
771
e7571c15
DW		 772static void asd_scan_start(struct Scsi_Host *shost)
773{
774 struct asd_ha_struct *asd_ha;
775 int err;
776
777 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
778 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
779 if (err)
780 asd_printk("Couldn't enable phys, err:%d\n", err);
781}
782
783static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
784{
785 /* give the phy enabling interrupt event time to come in (1s
786 * is empirically about all it takes) */
787 if (time < HZ)
788 return 0;
789 /* Wait for discovery to finish */
790 scsi_flush_work(shost);
791 return 1;
792}
793
2908d778
JB		 794static ssize_t asd_version_show(struct device_driver *driver, char *buf)
795{
796 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
797}
798static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
799
bb076620 800static int asd_create_driver_attrs(struct device_driver *driver)
2908d778 801{
bb076620 802 return driver_create_file(driver, &driver_attr_version);
2908d778
JB		 803}
804
805static void asd_remove_driver_attrs(struct device_driver *driver)
806{
807 driver_remove_file(driver, &driver_attr_version);
808}
809
810static struct sas_domain_function_template aic94xx_transport_functions = {
2908d778
JB		 811 .lldd_dev_found = asd_dev_found,
812 .lldd_dev_gone = asd_dev_gone,
813
814 .lldd_execute_task = asd_execute_task,
815
816 .lldd_abort_task = asd_abort_task,
817 .lldd_abort_task_set = asd_abort_task_set,
818 .lldd_clear_aca = asd_clear_aca,
819 .lldd_clear_task_set = asd_clear_task_set,
820 .lldd_I_T_nexus_reset = NULL,
821 .lldd_lu_reset = asd_lu_reset,
822 .lldd_query_task = asd_query_task,
823
824 .lldd_clear_nexus_port = asd_clear_nexus_port,
825 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
826
827 .lldd_control_phy = asd_control_phy,
828};
829
830static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
831 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
832 0, 0, 1},
833 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
834 0, 0, 1},
835 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
836 0, 0, 1},
3fc2aef5
SK		 837 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1F),
838 0, 0, 1},
2908d778
JB		 839 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
840 0, 0, 2},
841 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
842 0, 0, 2},
843 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
844 0, 0, 2},
845 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
846 0, 0, 2},
847 {}
848};
849
850MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
851
852static struct pci_driver aic94xx_pci_driver = {
853 .name = ASD_DRIVER_NAME,
854 .id_table = aic94xx_pci_table,
855 .probe = asd_pci_probe,
856 .remove = __devexit_p(asd_pci_remove),
857};
858
859static int __init aic94xx_init(void)
860{
861 int err;
862
863
864 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
865 ASD_DRIVER_VERSION);
866
867 err = asd_create_global_caches();
868 if (err)
869 return err;
870
871 aic94xx_transport_template =
872 sas_domain_attach_transport(&aic94xx_transport_functions);
10d19ae5 873 if (!aic94xx_transport_template)
2908d778
JB		 874 goto out_destroy_caches;
875
876 err = pci_register_driver(&aic94xx_pci_driver);
877 if (err)
878 goto out_release_transport;
879
bb076620
JG		 880 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
881 if (err)
882 goto out_unregister_pcidrv;
2908d778
JB		 883
884 return err;
885
bb076620
JG		 886 out_unregister_pcidrv:
887 pci_unregister_driver(&aic94xx_pci_driver);
2908d778
JB		 888 out_release_transport:
889 sas_release_transport(aic94xx_transport_template);
890 out_destroy_caches:
891 asd_destroy_global_caches();
892
893 return err;
894}
895
896static void __exit aic94xx_exit(void)
897{
898 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
899 pci_unregister_driver(&aic94xx_pci_driver);
900 sas_release_transport(aic94xx_transport_template);
bf2a1928 901 asd_release_firmware();
2908d778
JB		 902 asd_destroy_global_caches();
903 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
904 ASD_DRIVER_VERSION);
905}
906
907module_init(aic94xx_init);
908module_exit(aic94xx_exit);
909
910MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
911MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
912MODULE_LICENSE("GPL v2");
913MODULE_VERSION(ASD_DRIVER_VERSION);