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[PATCH] slab: remove kmem_cache_t
[net-next-2.6.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" */
41#define ASD_DRIVER_VERSION "1.0.2"
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;
60
61static struct scsi_host_template aic94xx_sht = {
62 .module = THIS_MODULE,
63 /* .name is initialized */
64 .name = "aic94xx",
65 .queuecommand = sas_queuecommand,
66 .target_alloc = sas_target_alloc,
67 .slave_configure = sas_slave_configure,
68 .slave_destroy = sas_slave_destroy,
69 .change_queue_depth = sas_change_queue_depth,
70 .change_queue_type = sas_change_queue_type,
71 .bios_param = sas_bios_param,
72 .can_queue = 1,
73 .cmd_per_lun = 1,
74 .this_id = -1,
75 .sg_tablesize = SG_ALL,
76 .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
77 .use_clustering = ENABLE_CLUSTERING,
78};
79
80static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
81{
82 int err, i;
83 struct asd_ha_addrspace *io_handle;
84
85 asd_ha->iospace = 0;
86 for (i = 0; i < 3; i += 2) {
87 io_handle = &asd_ha->io_handle[i==0?0:1];
88 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
89 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
90 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
91 err = -ENODEV;
92 if (!io_handle->start || !io_handle->len) {
93 asd_printk("MBAR%d start or length for %s is 0.\n",
94 i==0?0:1, pci_name(asd_ha->pcidev));
95 goto Err;
96 }
97 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
98 if (err) {
99 asd_printk("couldn't reserve memory region for %s\n",
100 pci_name(asd_ha->pcidev));
101 goto Err;
102 }
103 if (io_handle->flags & IORESOURCE_CACHEABLE)
104 io_handle->addr = ioremap(io_handle->start,
105 io_handle->len);
106 else
107 io_handle->addr = ioremap_nocache(io_handle->start,
108 io_handle->len);
109 if (!io_handle->addr) {
110 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
111 pci_name(asd_ha->pcidev));
112 goto Err_unreq;
113 }
114 }
115
116 return 0;
117Err_unreq:
118 pci_release_region(asd_ha->pcidev, i);
119Err:
120 if (i > 0) {
121 io_handle = &asd_ha->io_handle[0];
122 iounmap(io_handle->addr);
123 pci_release_region(asd_ha->pcidev, 0);
124 }
125 return err;
126}
127
128static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
129{
130 struct asd_ha_addrspace *io_handle;
131
132 io_handle = &asd_ha->io_handle[1];
133 iounmap(io_handle->addr);
134 pci_release_region(asd_ha->pcidev, 2);
135
136 io_handle = &asd_ha->io_handle[0];
137 iounmap(io_handle->addr);
138 pci_release_region(asd_ha->pcidev, 0);
139}
140
141static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
142{
143 int i = PCI_IOBAR_OFFSET, err;
144 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
145
146 asd_ha->iospace = 1;
147 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
148 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
149 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
150 io_handle->addr = (void __iomem *) io_handle->start;
151 if (!io_handle->start || !io_handle->len) {
152 asd_printk("couldn't get IO ports for %s\n",
153 pci_name(asd_ha->pcidev));
154 return -ENODEV;
155 }
156 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
157 if (err) {
158 asd_printk("couldn't reserve io space for %s\n",
159 pci_name(asd_ha->pcidev));
160 }
161
162 return err;
163}
164
165static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
166{
167 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
168}
169
170static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
171{
172 int err;
173 u16 cmd_reg;
174
175 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
176 if (err) {
177 asd_printk("couldn't read command register of %s\n",
178 pci_name(asd_ha->pcidev));
179 goto Err;
180 }
181
182 err = -ENODEV;
183 if (cmd_reg & PCI_COMMAND_MEMORY) {
184 if ((err = asd_map_memio(asd_ha)))
185 goto Err;
186 } else if (cmd_reg & PCI_COMMAND_IO) {
187 if ((err = asd_map_ioport(asd_ha)))
188 goto Err;
189 asd_printk("%s ioport mapped -- upgrade your hardware\n",
190 pci_name(asd_ha->pcidev));
191 } else {
192 asd_printk("no proper device access to %s\n",
193 pci_name(asd_ha->pcidev));
194 goto Err;
195 }
196
197 return 0;
198Err:
199 return err;
200}
201
202static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
203{
204 if (asd_ha->iospace)
205 asd_unmap_ioport(asd_ha);
206 else
207 asd_unmap_memio(asd_ha);
208}
209
210static const char *asd_dev_rev[30] = {
211 [0] = "A0",
212 [1] = "A1",
213 [8] = "B0",
214};
215
216static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
217{
218 int err, i;
219
220 err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID,
221 &asd_ha->revision_id);
222 if (err) {
223 asd_printk("couldn't read REVISION ID register of %s\n",
224 pci_name(asd_ha->pcidev));
225 goto Err;
226 }
227 err = -ENODEV;
228 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
229 asd_printk("%s is revision %s (%X), which is not supported\n",
230 pci_name(asd_ha->pcidev),
231 asd_dev_rev[asd_ha->revision_id],
232 asd_ha->revision_id);
233 goto Err;
234 }
235 /* Provide some sane default values. */
236 asd_ha->hw_prof.max_scbs = 512;
237 asd_ha->hw_prof.max_ddbs = 128;
238 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
239 /* All phys are enabled, by default. */
240 asd_ha->hw_prof.enabled_phys = 0xFF;
241 for (i = 0; i < ASD_MAX_PHYS; i++) {
88edf746
JB		 242 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
243 SAS_LINK_RATE_3_0_GBPS;
244 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
245 SAS_LINK_RATE_1_5_GBPS;
246 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
247 SAS_LINK_RATE_1_5_GBPS;
248 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
249 SAS_LINK_RATE_1_5_GBPS;
2908d778
JB		 250 }
251
252 return 0;
253Err:
254 return err;
255}
256
257static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
258{
259 int err = asd_common_setup(asd_ha);
260
261 if (err)
262 return err;
263
264 asd_ha->hw_prof.addr_range = 8;
265 asd_ha->hw_prof.port_name_base = 0;
266 asd_ha->hw_prof.dev_name_base = 8;
267 asd_ha->hw_prof.sata_name_base = 16;
268
269 return 0;
270}
271
272static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
273{
274 int err = asd_common_setup(asd_ha);
275
276 if (err)
277 return err;
278
279 asd_ha->hw_prof.addr_range = 4;
280 asd_ha->hw_prof.port_name_base = 0;
281 asd_ha->hw_prof.dev_name_base = 4;
282 asd_ha->hw_prof.sata_name_base = 8;
283
284 return 0;
285}
286
287static ssize_t asd_show_dev_rev(struct device *dev,
288 struct device_attribute *attr, char *buf)
289{
290 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
291 return snprintf(buf, PAGE_SIZE, "%s\n",
292 asd_dev_rev[asd_ha->revision_id]);
293}
294static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
295
296static ssize_t asd_show_dev_bios_build(struct device *dev,
297 struct device_attribute *attr,char *buf)
298{
299 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
300 return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld);
301}
302static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
303
304static ssize_t asd_show_dev_pcba_sn(struct device *dev,
305 struct device_attribute *attr, char *buf)
306{
307 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
308 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
309}
310static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
311
bb076620 312static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
2908d778 313{
bb076620
JG		 314 int err;
315
316 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
317 if (err)
318 return err;
319
320 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
321 if (err)
322 goto err_rev;
323
324 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
325 if (err)
326 goto err_biosb;
327
328 return 0;
329
330err_biosb:
331 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
332err_rev:
333 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
334 return err;
2908d778
JB		 335}
336
337static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
338{
339 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
340 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
341 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
342}
343
344/* The first entry, 0, is used for dynamic ids, the rest for devices
345 * we know about.
346 */
347static struct asd_pcidev_struct {
348 const char * name;
349 int (*setup)(struct asd_ha_struct *asd_ha);
350} asd_pcidev_data[] = {
351 /* Id 0 is used for dynamic ids. */
352 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
353 .setup = asd_aic9410_setup
354 },
355 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
356 .setup = asd_aic9410_setup
357 },
358 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
359 .setup = asd_aic9405_setup
360 },
361};
362
363static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
364{
365 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
366 &asd_ha->pcidev->dev,
367 sizeof(struct scb),
368 8, 0);
369 if (!asd_ha->scb_pool) {
370 asd_printk("couldn't create scb pool\n");
371 return -ENOMEM;
372 }
373
374 return 0;
375}
376
377/**
378 * asd_free_edbs -- free empty data buffers
379 * asd_ha: pointer to host adapter structure
380 */
381static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
382{
383 struct asd_seq_data *seq = &asd_ha->seq;
384 int i;
385
386 for (i = 0; i < seq->num_edbs; i++)
387 asd_free_coherent(asd_ha, seq->edb_arr[i]);
388 kfree(seq->edb_arr);
389 seq->edb_arr = NULL;
390}
391
392static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
393{
394 struct asd_seq_data *seq = &asd_ha->seq;
395 int i;
396
397 for (i = 0; i < seq->num_escbs; i++) {
398 if (!list_empty(&seq->escb_arr[i]->list))
399 list_del_init(&seq->escb_arr[i]->list);
400
401 asd_ascb_free(seq->escb_arr[i]);
402 }
403 kfree(seq->escb_arr);
404 seq->escb_arr = NULL;
405}
406
407static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
408{
409 int i;
410
411 if (asd_ha->hw_prof.ddb_ext)
412 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
413 if (asd_ha->hw_prof.scb_ext)
414 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
415
416 if (asd_ha->hw_prof.ddb_bitmap)
417 kfree(asd_ha->hw_prof.ddb_bitmap);
418 asd_ha->hw_prof.ddb_bitmap = NULL;
419
420 for (i = 0; i < ASD_MAX_PHYS; i++) {
421 struct asd_phy *phy = &asd_ha->phys[i];
422
423 asd_free_coherent(asd_ha, phy->id_frm_tok);
424 }
425 if (asd_ha->seq.escb_arr)
426 asd_free_escbs(asd_ha);
427 if (asd_ha->seq.edb_arr)
428 asd_free_edbs(asd_ha);
429 if (asd_ha->hw_prof.ue.area) {
430 kfree(asd_ha->hw_prof.ue.area);
431 asd_ha->hw_prof.ue.area = NULL;
432 }
433 if (asd_ha->seq.tc_index_array) {
434 kfree(asd_ha->seq.tc_index_array);
435 kfree(asd_ha->seq.tc_index_bitmap);
436 asd_ha->seq.tc_index_array = NULL;
437 asd_ha->seq.tc_index_bitmap = NULL;
438 }
439 if (asd_ha->seq.actual_dl) {
440 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
441 asd_ha->seq.actual_dl = NULL;
442 asd_ha->seq.dl = NULL;
443 }
444 if (asd_ha->seq.next_scb.vaddr) {
445 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
446 asd_ha->seq.next_scb.dma_handle);
447 asd_ha->seq.next_scb.vaddr = NULL;
448 }
449 dma_pool_destroy(asd_ha->scb_pool);
450 asd_ha->scb_pool = NULL;
451}
452
e18b890b
CL		 453struct kmem_cache *asd_dma_token_cache;
454struct kmem_cache *asd_ascb_cache;
2908d778
JB		 455
456static int asd_create_global_caches(void)
457{
458 if (!asd_dma_token_cache) {
459 asd_dma_token_cache
460 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
461 sizeof(struct asd_dma_tok),
462 0,
463 SLAB_HWCACHE_ALIGN,
464 NULL, NULL);
465 if (!asd_dma_token_cache) {
466 asd_printk("couldn't create dma token cache\n");
467 return -ENOMEM;
468 }
469 }
470
471 if (!asd_ascb_cache) {
472 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
473 sizeof(struct asd_ascb),
474 0,
475 SLAB_HWCACHE_ALIGN,
476 NULL, NULL);
477 if (!asd_ascb_cache) {
478 asd_printk("couldn't create ascb cache\n");
479 goto Err;
480 }
481 }
482
483 return 0;
484Err:
485 kmem_cache_destroy(asd_dma_token_cache);
486 asd_dma_token_cache = NULL;
487 return -ENOMEM;
488}
489
490static void asd_destroy_global_caches(void)
491{
492 if (asd_dma_token_cache)
493 kmem_cache_destroy(asd_dma_token_cache);
494 asd_dma_token_cache = NULL;
495
496 if (asd_ascb_cache)
497 kmem_cache_destroy(asd_ascb_cache);
498 asd_ascb_cache = NULL;
499}
500
501static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
502{
503 int i;
504 struct asd_sas_phy **sas_phys =
505 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
506 struct asd_sas_port **sas_ports =
507 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
508
509 if (!sas_phys || !sas_ports) {
510 kfree(sas_phys);
511 kfree(sas_ports);
512 return -ENOMEM;
513 }
514
515 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
516 asd_ha->sas_ha.lldd_module = THIS_MODULE;
517 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
518
519 for (i = 0; i < ASD_MAX_PHYS; i++) {
520 sas_phys[i] = &asd_ha->phys[i].sas_phy;
521 sas_ports[i] = &asd_ha->ports[i];
522 }
523
524 asd_ha->sas_ha.sas_phy = sas_phys;
525 asd_ha->sas_ha.sas_port= sas_ports;
526 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
527
528 asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
529
530 return sas_register_ha(&asd_ha->sas_ha);
531}
532
533static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
534{
535 int err;
536
537 err = sas_unregister_ha(&asd_ha->sas_ha);
538
539 sas_remove_host(asd_ha->sas_ha.core.shost);
540 scsi_remove_host(asd_ha->sas_ha.core.shost);
541 scsi_host_put(asd_ha->sas_ha.core.shost);
542
543 kfree(asd_ha->sas_ha.sas_phy);
544 kfree(asd_ha->sas_ha.sas_port);
545
546 return err;
547}
548
549static int __devinit asd_pci_probe(struct pci_dev *dev,
550 const struct pci_device_id *id)
551{
552 struct asd_pcidev_struct *asd_dev;
553 unsigned asd_id = (unsigned) id->driver_data;
554 struct asd_ha_struct *asd_ha;
555 struct Scsi_Host *shost;
556 int err;
557
558 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
559 asd_printk("wrong driver_data in PCI table\n");
560 return -ENODEV;
561 }
562
563 if ((err = pci_enable_device(dev))) {
564 asd_printk("couldn't enable device %s\n", pci_name(dev));
565 return err;
566 }
567
568 pci_set_master(dev);
569
570 err = -ENOMEM;
571
572 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
573 if (!shost)
574 goto Err;
575
576 asd_dev = &asd_pcidev_data[asd_id];
577
578 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
579 if (!asd_ha) {
580 asd_printk("out of memory\n");
581 goto Err;
582 }
583 asd_ha->pcidev = dev;
584 asd_ha->sas_ha.pcidev = asd_ha->pcidev;
585 asd_ha->sas_ha.lldd_ha = asd_ha;
586
587 asd_ha->name = asd_dev->name;
588 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
589
590 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
591 asd_ha->sas_ha.core.shost = shost;
592 shost->transportt = aic94xx_transport_template;
593 shost->max_id = ~0;
594 shost->max_lun = ~0;
595 shost->max_cmd_len = 16;
596
597 err = scsi_add_host(shost, &dev->dev);
598 if (err) {
599 scsi_host_put(shost);
600 goto Err_free;
601 }
602
603
604
605 err = asd_dev->setup(asd_ha);
606 if (err)
607 goto Err_free;
608
609 err = -ENODEV;
610 if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
611 && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
612 ;
613 else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
614 && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
615 ;
616 else {
617 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
618 goto Err_free;
619 }
620
621 pci_set_drvdata(dev, asd_ha);
622
623 err = asd_map_ha(asd_ha);
624 if (err)
625 goto Err_free;
626
627 err = asd_create_ha_caches(asd_ha);
628 if (err)
629 goto Err_unmap;
630
631 err = asd_init_hw(asd_ha);
632 if (err)
633 goto Err_free_cache;
634
635 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
636 "phys, flash %s, BIOS %s%d\n",
637 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
638 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
639 asd_ha->hw_prof.num_phys,
640 asd_ha->hw_prof.flash.present ? "present" : "not present",
641 asd_ha->hw_prof.bios.present ? "build " : "not present",
642 asd_ha->hw_prof.bios.bld);
643
f19eaa7f
DW		 644 shost->can_queue = asd_ha->seq.can_queue;
645
2908d778
JB		 646 if (use_msi)
647 pci_enable_msi(asd_ha->pcidev);
648
649 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ,
650 ASD_DRIVER_NAME, asd_ha);
651 if (err) {
652 asd_printk("couldn't get irq %d for %s\n",
653 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
654 goto Err_irq;
655 }
656 asd_enable_ints(asd_ha);
657
658 err = asd_init_post_escbs(asd_ha);
659 if (err) {
660 asd_printk("couldn't post escbs for %s\n",
661 pci_name(asd_ha->pcidev));
662 goto Err_escbs;
663 }
664 ASD_DPRINTK("escbs posted\n");
665
bb076620
JG		 666 err = asd_create_dev_attrs(asd_ha);
667 if (err)
668 goto Err_dev_attrs;
2908d778
JB		 669
670 err = asd_register_sas_ha(asd_ha);
671 if (err)
672 goto Err_reg_sas;
673
674 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
675 if (err) {
676 asd_printk("coudln't enable phys, err:%d\n", err);
677 goto Err_en_phys;
678 }
679 ASD_DPRINTK("enabled phys\n");
680 /* give the phy enabling interrupt event time to come in (1s
681 * is empirically about all it takes) */
682 ssleep(1);
683 /* Wait for discovery to finish */
684 scsi_flush_work(asd_ha->sas_ha.core.shost);
685
686 return 0;
687Err_en_phys:
688 asd_unregister_sas_ha(asd_ha);
689Err_reg_sas:
690 asd_remove_dev_attrs(asd_ha);
bb076620 691Err_dev_attrs:
2908d778
JB		 692Err_escbs:
693 asd_disable_ints(asd_ha);
694 free_irq(dev->irq, asd_ha);
695Err_irq:
696 if (use_msi)
697 pci_disable_msi(dev);
698 asd_chip_hardrst(asd_ha);
699Err_free_cache:
700 asd_destroy_ha_caches(asd_ha);
701Err_unmap:
702 asd_unmap_ha(asd_ha);
703Err_free:
704 kfree(asd_ha);
705 scsi_remove_host(shost);
706Err:
707 pci_disable_device(dev);
708 return err;
709}
710
711static void asd_free_queues(struct asd_ha_struct *asd_ha)
712{
713 unsigned long flags;
714 LIST_HEAD(pending);
715 struct list_head *n, *pos;
716
717 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
718 asd_ha->seq.pending = 0;
719 list_splice_init(&asd_ha->seq.pend_q, &pending);
720 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
721
722 if (!list_empty(&pending))
723 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
724
725 list_for_each_safe(pos, n, &pending) {
726 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
7b4feee9
DW		 727 /*
728 * Delete unexpired ascb timers. This may happen if we issue
729 * a CONTROL PHY scb to an adapter and rmmod before the scb
730 * times out. Apparently we don't wait for the CONTROL PHY
731 * to complete, so it doesn't matter if we kill the timer.
732 */
733 del_timer_sync(&ascb->timer);
734 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
735
2908d778
JB		 736 list_del_init(pos);
737 ASD_DPRINTK("freeing from pending\n");
738 asd_ascb_free(ascb);
739 }
740}
741
742static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
743{
744 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
745 u8 i;
746
747 for_each_phy(phy_mask, phy_mask, i) {
748 asd_turn_led(asd_ha, i, 0);
749 asd_control_led(asd_ha, i, 0);
750 }
751}
752
753static void __devexit asd_pci_remove(struct pci_dev *dev)
754{
755 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
756
757 if (!asd_ha)
758 return;
759
760 asd_unregister_sas_ha(asd_ha);
761
762 asd_disable_ints(asd_ha);
763
764 asd_remove_dev_attrs(asd_ha);
765
766 /* XXX more here as needed */
767
768 free_irq(dev->irq, asd_ha);
769 if (use_msi)
770 pci_disable_msi(asd_ha->pcidev);
771 asd_turn_off_leds(asd_ha);
772 asd_chip_hardrst(asd_ha);
773 asd_free_queues(asd_ha);
774 asd_destroy_ha_caches(asd_ha);
775 asd_unmap_ha(asd_ha);
776 kfree(asd_ha);
777 pci_disable_device(dev);
778 return;
779}
780
781static ssize_t asd_version_show(struct device_driver *driver, char *buf)
782{
783 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
784}
785static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
786
bb076620 787static int asd_create_driver_attrs(struct device_driver *driver)
2908d778 788{
bb076620 789 return driver_create_file(driver, &driver_attr_version);
2908d778
JB		 790}
791
792static void asd_remove_driver_attrs(struct device_driver *driver)
793{
794 driver_remove_file(driver, &driver_attr_version);
795}
796
797static struct sas_domain_function_template aic94xx_transport_functions = {
2908d778
JB		 798 .lldd_dev_found = asd_dev_found,
799 .lldd_dev_gone = asd_dev_gone,
800
801 .lldd_execute_task = asd_execute_task,
802
803 .lldd_abort_task = asd_abort_task,
804 .lldd_abort_task_set = asd_abort_task_set,
805 .lldd_clear_aca = asd_clear_aca,
806 .lldd_clear_task_set = asd_clear_task_set,
807 .lldd_I_T_nexus_reset = NULL,
808 .lldd_lu_reset = asd_lu_reset,
809 .lldd_query_task = asd_query_task,
810
811 .lldd_clear_nexus_port = asd_clear_nexus_port,
812 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
813
814 .lldd_control_phy = asd_control_phy,
815};
816
817static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
818 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
819 0, 0, 1},
820 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
821 0, 0, 1},
822 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
823 0, 0, 1},
3fc2aef5
SK		 824 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1F),
825 0, 0, 1},
2908d778
JB		 826 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
827 0, 0, 2},
828 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
829 0, 0, 2},
830 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
831 0, 0, 2},
832 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
833 0, 0, 2},
834 {}
835};
836
837MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
838
839static struct pci_driver aic94xx_pci_driver = {
840 .name = ASD_DRIVER_NAME,
841 .id_table = aic94xx_pci_table,
842 .probe = asd_pci_probe,
843 .remove = __devexit_p(asd_pci_remove),
844};
845
846static int __init aic94xx_init(void)
847{
848 int err;
849
850
851 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
852 ASD_DRIVER_VERSION);
853
854 err = asd_create_global_caches();
855 if (err)
856 return err;
857
858 aic94xx_transport_template =
859 sas_domain_attach_transport(&aic94xx_transport_functions);
10d19ae5 860 if (!aic94xx_transport_template)
2908d778
JB		 861 goto out_destroy_caches;
862
863 err = pci_register_driver(&aic94xx_pci_driver);
864 if (err)
865 goto out_release_transport;
866
bb076620
JG		 867 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
868 if (err)
869 goto out_unregister_pcidrv;
2908d778
JB		 870
871 return err;
872
bb076620
JG		 873 out_unregister_pcidrv:
874 pci_unregister_driver(&aic94xx_pci_driver);
2908d778
JB		 875 out_release_transport:
876 sas_release_transport(aic94xx_transport_template);
877 out_destroy_caches:
878 asd_destroy_global_caches();
879
880 return err;
881}
882
883static void __exit aic94xx_exit(void)
884{
885 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
886 pci_unregister_driver(&aic94xx_pci_driver);
887 sas_release_transport(aic94xx_transport_template);
888 asd_destroy_global_caches();
889 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
890 ASD_DRIVER_VERSION);
891}
892
893module_init(aic94xx_init);
894module_exit(aic94xx_exit);
895
896MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
897MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
898MODULE_LICENSE("GPL v2");
899MODULE_VERSION(ASD_DRIVER_VERSION);
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