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[SCSI] aic94xx: Remove TMF result code munging
[linux-2.6-block.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,
2908d778
JB		 83};
84
85static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
86{
87 int err, i;
88 struct asd_ha_addrspace *io_handle;
89
90 asd_ha->iospace = 0;
91 for (i = 0; i < 3; i += 2) {
92 io_handle = &asd_ha->io_handle[i==0?0:1];
93 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
94 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
95 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
96 err = -ENODEV;
97 if (!io_handle->start || !io_handle->len) {
98 asd_printk("MBAR%d start or length for %s is 0.\n",
99 i==0?0:1, pci_name(asd_ha->pcidev));
100 goto Err;
101 }
102 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
103 if (err) {
104 asd_printk("couldn't reserve memory region for %s\n",
105 pci_name(asd_ha->pcidev));
106 goto Err;
107 }
108 if (io_handle->flags & IORESOURCE_CACHEABLE)
109 io_handle->addr = ioremap(io_handle->start,
110 io_handle->len);
111 else
112 io_handle->addr = ioremap_nocache(io_handle->start,
113 io_handle->len);
114 if (!io_handle->addr) {
115 asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1,
116 pci_name(asd_ha->pcidev));
117 goto Err_unreq;
118 }
119 }
120
121 return 0;
122Err_unreq:
123 pci_release_region(asd_ha->pcidev, i);
124Err:
125 if (i > 0) {
126 io_handle = &asd_ha->io_handle[0];
127 iounmap(io_handle->addr);
128 pci_release_region(asd_ha->pcidev, 0);
129 }
130 return err;
131}
132
133static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha)
134{
135 struct asd_ha_addrspace *io_handle;
136
137 io_handle = &asd_ha->io_handle[1];
138 iounmap(io_handle->addr);
139 pci_release_region(asd_ha->pcidev, 2);
140
141 io_handle = &asd_ha->io_handle[0];
142 iounmap(io_handle->addr);
143 pci_release_region(asd_ha->pcidev, 0);
144}
145
146static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha)
147{
148 int i = PCI_IOBAR_OFFSET, err;
149 struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0];
150
151 asd_ha->iospace = 1;
152 io_handle->start = pci_resource_start(asd_ha->pcidev, i);
153 io_handle->len = pci_resource_len(asd_ha->pcidev, i);
154 io_handle->flags = pci_resource_flags(asd_ha->pcidev, i);
155 io_handle->addr = (void __iomem *) io_handle->start;
156 if (!io_handle->start || !io_handle->len) {
157 asd_printk("couldn't get IO ports for %s\n",
158 pci_name(asd_ha->pcidev));
159 return -ENODEV;
160 }
161 err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME);
162 if (err) {
163 asd_printk("couldn't reserve io space for %s\n",
164 pci_name(asd_ha->pcidev));
165 }
166
167 return err;
168}
169
170static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha)
171{
172 pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET);
173}
174
175static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha)
176{
177 int err;
178 u16 cmd_reg;
179
180 err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg);
181 if (err) {
182 asd_printk("couldn't read command register of %s\n",
183 pci_name(asd_ha->pcidev));
184 goto Err;
185 }
186
187 err = -ENODEV;
188 if (cmd_reg & PCI_COMMAND_MEMORY) {
189 if ((err = asd_map_memio(asd_ha)))
190 goto Err;
191 } else if (cmd_reg & PCI_COMMAND_IO) {
192 if ((err = asd_map_ioport(asd_ha)))
193 goto Err;
194 asd_printk("%s ioport mapped -- upgrade your hardware\n",
195 pci_name(asd_ha->pcidev));
196 } else {
197 asd_printk("no proper device access to %s\n",
198 pci_name(asd_ha->pcidev));
199 goto Err;
200 }
201
202 return 0;
203Err:
204 return err;
205}
206
207static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha)
208{
209 if (asd_ha->iospace)
210 asd_unmap_ioport(asd_ha);
211 else
212 asd_unmap_memio(asd_ha);
213}
214
215static const char *asd_dev_rev[30] = {
216 [0] = "A0",
217 [1] = "A1",
218 [8] = "B0",
219};
220
221static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
222{
223 int err, i;
224
225 err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID,
226 &asd_ha->revision_id);
227 if (err) {
228 asd_printk("couldn't read REVISION ID register of %s\n",
229 pci_name(asd_ha->pcidev));
230 goto Err;
231 }
232 err = -ENODEV;
233 if (asd_ha->revision_id < AIC9410_DEV_REV_B0) {
234 asd_printk("%s is revision %s (%X), which is not supported\n",
235 pci_name(asd_ha->pcidev),
236 asd_dev_rev[asd_ha->revision_id],
237 asd_ha->revision_id);
238 goto Err;
239 }
240 /* Provide some sane default values. */
241 asd_ha->hw_prof.max_scbs = 512;
3b709df5 242 asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
2908d778
JB		 243 asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
244 /* All phys are enabled, by default. */
245 asd_ha->hw_prof.enabled_phys = 0xFF;
246 for (i = 0; i < ASD_MAX_PHYS; i++) {
88edf746
JB		 247 asd_ha->hw_prof.phy_desc[i].max_sas_lrate =
248 SAS_LINK_RATE_3_0_GBPS;
249 asd_ha->hw_prof.phy_desc[i].min_sas_lrate =
250 SAS_LINK_RATE_1_5_GBPS;
251 asd_ha->hw_prof.phy_desc[i].max_sata_lrate =
252 SAS_LINK_RATE_1_5_GBPS;
253 asd_ha->hw_prof.phy_desc[i].min_sata_lrate =
254 SAS_LINK_RATE_1_5_GBPS;
2908d778
JB		 255 }
256
257 return 0;
258Err:
259 return err;
260}
261
262static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha)
263{
264 int err = asd_common_setup(asd_ha);
265
266 if (err)
267 return err;
268
269 asd_ha->hw_prof.addr_range = 8;
270 asd_ha->hw_prof.port_name_base = 0;
271 asd_ha->hw_prof.dev_name_base = 8;
272 asd_ha->hw_prof.sata_name_base = 16;
273
274 return 0;
275}
276
277static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha)
278{
279 int err = asd_common_setup(asd_ha);
280
281 if (err)
282 return err;
283
284 asd_ha->hw_prof.addr_range = 4;
285 asd_ha->hw_prof.port_name_base = 0;
286 asd_ha->hw_prof.dev_name_base = 4;
287 asd_ha->hw_prof.sata_name_base = 8;
288
289 return 0;
290}
291
292static ssize_t asd_show_dev_rev(struct device *dev,
293 struct device_attribute *attr, char *buf)
294{
295 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
296 return snprintf(buf, PAGE_SIZE, "%s\n",
297 asd_dev_rev[asd_ha->revision_id]);
298}
299static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL);
300
301static ssize_t asd_show_dev_bios_build(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, "%d\n", asd_ha->hw_prof.bios.bld);
306}
307static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL);
308
309static ssize_t asd_show_dev_pcba_sn(struct device *dev,
310 struct device_attribute *attr, char *buf)
311{
312 struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev);
313 return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn);
314}
315static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL);
316
bb076620 317static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha)
2908d778 318{
bb076620
JG		 319 int err;
320
321 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision);
322 if (err)
323 return err;
324
325 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
326 if (err)
327 goto err_rev;
328
329 err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
330 if (err)
331 goto err_biosb;
332
333 return 0;
334
335err_biosb:
336 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
337err_rev:
338 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
339 return err;
2908d778
JB		 340}
341
342static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha)
343{
344 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision);
345 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build);
346 device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn);
347}
348
349/* The first entry, 0, is used for dynamic ids, the rest for devices
350 * we know about.
351 */
352static struct asd_pcidev_struct {
353 const char * name;
354 int (*setup)(struct asd_ha_struct *asd_ha);
355} asd_pcidev_data[] = {
356 /* Id 0 is used for dynamic ids. */
357 { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter",
358 .setup = asd_aic9410_setup
359 },
360 { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter",
361 .setup = asd_aic9410_setup
362 },
363 { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter",
364 .setup = asd_aic9405_setup
365 },
366};
367
368static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha)
369{
370 asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool",
371 &asd_ha->pcidev->dev,
372 sizeof(struct scb),
373 8, 0);
374 if (!asd_ha->scb_pool) {
375 asd_printk("couldn't create scb pool\n");
376 return -ENOMEM;
377 }
378
379 return 0;
380}
381
382/**
383 * asd_free_edbs -- free empty data buffers
384 * asd_ha: pointer to host adapter structure
385 */
386static inline void asd_free_edbs(struct asd_ha_struct *asd_ha)
387{
388 struct asd_seq_data *seq = &asd_ha->seq;
389 int i;
390
391 for (i = 0; i < seq->num_edbs; i++)
392 asd_free_coherent(asd_ha, seq->edb_arr[i]);
393 kfree(seq->edb_arr);
394 seq->edb_arr = NULL;
395}
396
397static inline void asd_free_escbs(struct asd_ha_struct *asd_ha)
398{
399 struct asd_seq_data *seq = &asd_ha->seq;
400 int i;
401
402 for (i = 0; i < seq->num_escbs; i++) {
403 if (!list_empty(&seq->escb_arr[i]->list))
404 list_del_init(&seq->escb_arr[i]->list);
405
406 asd_ascb_free(seq->escb_arr[i]);
407 }
408 kfree(seq->escb_arr);
409 seq->escb_arr = NULL;
410}
411
412static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha)
413{
414 int i;
415
416 if (asd_ha->hw_prof.ddb_ext)
417 asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext);
418 if (asd_ha->hw_prof.scb_ext)
419 asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext);
420
421 if (asd_ha->hw_prof.ddb_bitmap)
422 kfree(asd_ha->hw_prof.ddb_bitmap);
423 asd_ha->hw_prof.ddb_bitmap = NULL;
424
425 for (i = 0; i < ASD_MAX_PHYS; i++) {
426 struct asd_phy *phy = &asd_ha->phys[i];
427
428 asd_free_coherent(asd_ha, phy->id_frm_tok);
429 }
430 if (asd_ha->seq.escb_arr)
431 asd_free_escbs(asd_ha);
432 if (asd_ha->seq.edb_arr)
433 asd_free_edbs(asd_ha);
434 if (asd_ha->hw_prof.ue.area) {
435 kfree(asd_ha->hw_prof.ue.area);
436 asd_ha->hw_prof.ue.area = NULL;
437 }
438 if (asd_ha->seq.tc_index_array) {
439 kfree(asd_ha->seq.tc_index_array);
440 kfree(asd_ha->seq.tc_index_bitmap);
441 asd_ha->seq.tc_index_array = NULL;
442 asd_ha->seq.tc_index_bitmap = NULL;
443 }
444 if (asd_ha->seq.actual_dl) {
445 asd_free_coherent(asd_ha, asd_ha->seq.actual_dl);
446 asd_ha->seq.actual_dl = NULL;
447 asd_ha->seq.dl = NULL;
448 }
449 if (asd_ha->seq.next_scb.vaddr) {
450 dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr,
451 asd_ha->seq.next_scb.dma_handle);
452 asd_ha->seq.next_scb.vaddr = NULL;
453 }
454 dma_pool_destroy(asd_ha->scb_pool);
455 asd_ha->scb_pool = NULL;
456}
457
e18b890b
CL		 458struct kmem_cache *asd_dma_token_cache;
459struct kmem_cache *asd_ascb_cache;
2908d778
JB		 460
461static int asd_create_global_caches(void)
462{
463 if (!asd_dma_token_cache) {
464 asd_dma_token_cache
465 = kmem_cache_create(ASD_DRIVER_NAME "_dma_token",
466 sizeof(struct asd_dma_tok),
467 0,
468 SLAB_HWCACHE_ALIGN,
469 NULL, NULL);
470 if (!asd_dma_token_cache) {
471 asd_printk("couldn't create dma token cache\n");
472 return -ENOMEM;
473 }
474 }
475
476 if (!asd_ascb_cache) {
477 asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb",
478 sizeof(struct asd_ascb),
479 0,
480 SLAB_HWCACHE_ALIGN,
481 NULL, NULL);
482 if (!asd_ascb_cache) {
483 asd_printk("couldn't create ascb cache\n");
484 goto Err;
485 }
486 }
487
488 return 0;
489Err:
490 kmem_cache_destroy(asd_dma_token_cache);
491 asd_dma_token_cache = NULL;
492 return -ENOMEM;
493}
494
495static void asd_destroy_global_caches(void)
496{
497 if (asd_dma_token_cache)
498 kmem_cache_destroy(asd_dma_token_cache);
499 asd_dma_token_cache = NULL;
500
501 if (asd_ascb_cache)
502 kmem_cache_destroy(asd_ascb_cache);
503 asd_ascb_cache = NULL;
504}
505
506static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
507{
508 int i;
509 struct asd_sas_phy **sas_phys =
510 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL);
511 struct asd_sas_port **sas_ports =
512 kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL);
513
514 if (!sas_phys || !sas_ports) {
515 kfree(sas_phys);
516 kfree(sas_ports);
517 return -ENOMEM;
518 }
519
520 asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name;
521 asd_ha->sas_ha.lldd_module = THIS_MODULE;
522 asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0];
523
524 for (i = 0; i < ASD_MAX_PHYS; i++) {
525 sas_phys[i] = &asd_ha->phys[i].sas_phy;
526 sas_ports[i] = &asd_ha->ports[i];
527 }
528
529 asd_ha->sas_ha.sas_phy = sas_phys;
530 asd_ha->sas_ha.sas_port= sas_ports;
531 asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
532
533 asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
f1216420 534 asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num;
2908d778
JB		 535
536 return sas_register_ha(&asd_ha->sas_ha);
537}
538
539static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha)
540{
541 int err;
542
543 err = sas_unregister_ha(&asd_ha->sas_ha);
544
545 sas_remove_host(asd_ha->sas_ha.core.shost);
546 scsi_remove_host(asd_ha->sas_ha.core.shost);
547 scsi_host_put(asd_ha->sas_ha.core.shost);
548
549 kfree(asd_ha->sas_ha.sas_phy);
550 kfree(asd_ha->sas_ha.sas_port);
551
552 return err;
553}
554
555static int __devinit asd_pci_probe(struct pci_dev *dev,
556 const struct pci_device_id *id)
557{
558 struct asd_pcidev_struct *asd_dev;
559 unsigned asd_id = (unsigned) id->driver_data;
560 struct asd_ha_struct *asd_ha;
561 struct Scsi_Host *shost;
562 int err;
563
564 if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) {
565 asd_printk("wrong driver_data in PCI table\n");
566 return -ENODEV;
567 }
568
569 if ((err = pci_enable_device(dev))) {
570 asd_printk("couldn't enable device %s\n", pci_name(dev));
571 return err;
572 }
573
574 pci_set_master(dev);
575
576 err = -ENOMEM;
577
578 shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *));
579 if (!shost)
580 goto Err;
581
582 asd_dev = &asd_pcidev_data[asd_id];
583
584 asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL);
585 if (!asd_ha) {
586 asd_printk("out of memory\n");
587 goto Err;
588 }
589 asd_ha->pcidev = dev;
590 asd_ha->sas_ha.pcidev = asd_ha->pcidev;
591 asd_ha->sas_ha.lldd_ha = asd_ha;
592
593 asd_ha->name = asd_dev->name;
594 asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev));
595
596 SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha;
597 asd_ha->sas_ha.core.shost = shost;
598 shost->transportt = aic94xx_transport_template;
599 shost->max_id = ~0;
600 shost->max_lun = ~0;
601 shost->max_cmd_len = 16;
602
603 err = scsi_add_host(shost, &dev->dev);
604 if (err) {
605 scsi_host_put(shost);
606 goto Err_free;
607 }
608
609
610
611 err = asd_dev->setup(asd_ha);
612 if (err)
613 goto Err_free;
614
615 err = -ENODEV;
616 if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)
617 && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK))
618 ;
619 else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK)
620 && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK))
621 ;
622 else {
623 asd_printk("no suitable DMA mask for %s\n", pci_name(dev));
624 goto Err_free;
625 }
626
627 pci_set_drvdata(dev, asd_ha);
628
629 err = asd_map_ha(asd_ha);
630 if (err)
631 goto Err_free;
632
633 err = asd_create_ha_caches(asd_ha);
634 if (err)
635 goto Err_unmap;
636
637 err = asd_init_hw(asd_ha);
638 if (err)
639 goto Err_free_cache;
640
641 asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled "
642 "phys, flash %s, BIOS %s%d\n",
643 pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr),
644 asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys,
645 asd_ha->hw_prof.num_phys,
646 asd_ha->hw_prof.flash.present ? "present" : "not present",
647 asd_ha->hw_prof.bios.present ? "build " : "not present",
648 asd_ha->hw_prof.bios.bld);
649
f19eaa7f
DW		 650 shost->can_queue = asd_ha->seq.can_queue;
651
2908d778
JB		 652 if (use_msi)
653 pci_enable_msi(asd_ha->pcidev);
654
655 err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ,
656 ASD_DRIVER_NAME, asd_ha);
657 if (err) {
658 asd_printk("couldn't get irq %d for %s\n",
659 asd_ha->pcidev->irq, pci_name(asd_ha->pcidev));
660 goto Err_irq;
661 }
662 asd_enable_ints(asd_ha);
663
664 err = asd_init_post_escbs(asd_ha);
665 if (err) {
666 asd_printk("couldn't post escbs for %s\n",
667 pci_name(asd_ha->pcidev));
668 goto Err_escbs;
669 }
670 ASD_DPRINTK("escbs posted\n");
671
bb076620
JG		 672 err = asd_create_dev_attrs(asd_ha);
673 if (err)
674 goto Err_dev_attrs;
2908d778
JB		 675
676 err = asd_register_sas_ha(asd_ha);
677 if (err)
678 goto Err_reg_sas;
679
e7571c15 680 scsi_scan_host(shost);
2908d778
JB		 681
682 return 0;
e7571c15 683
2908d778
JB		 684Err_reg_sas:
685 asd_remove_dev_attrs(asd_ha);
bb076620 686Err_dev_attrs:
2908d778
JB		 687Err_escbs:
688 asd_disable_ints(asd_ha);
689 free_irq(dev->irq, asd_ha);
690Err_irq:
691 if (use_msi)
692 pci_disable_msi(dev);
693 asd_chip_hardrst(asd_ha);
694Err_free_cache:
695 asd_destroy_ha_caches(asd_ha);
696Err_unmap:
697 asd_unmap_ha(asd_ha);
698Err_free:
699 kfree(asd_ha);
700 scsi_remove_host(shost);
701Err:
702 pci_disable_device(dev);
703 return err;
704}
705
706static void asd_free_queues(struct asd_ha_struct *asd_ha)
707{
708 unsigned long flags;
709 LIST_HEAD(pending);
710 struct list_head *n, *pos;
711
712 spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags);
713 asd_ha->seq.pending = 0;
714 list_splice_init(&asd_ha->seq.pend_q, &pending);
715 spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags);
716
717 if (!list_empty(&pending))
718 ASD_DPRINTK("Uh-oh! Pending is not empty!\n");
719
720 list_for_each_safe(pos, n, &pending) {
721 struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list);
7b4feee9
DW		 722 /*
723 * Delete unexpired ascb timers. This may happen if we issue
724 * a CONTROL PHY scb to an adapter and rmmod before the scb
725 * times out. Apparently we don't wait for the CONTROL PHY
726 * to complete, so it doesn't matter if we kill the timer.
727 */
728 del_timer_sync(&ascb->timer);
729 WARN_ON(ascb->scb->header.opcode != CONTROL_PHY);
730
2908d778
JB		 731 list_del_init(pos);
732 ASD_DPRINTK("freeing from pending\n");
733 asd_ascb_free(ascb);
734 }
735}
736
737static void asd_turn_off_leds(struct asd_ha_struct *asd_ha)
738{
739 u8 phy_mask = asd_ha->hw_prof.enabled_phys;
740 u8 i;
741
742 for_each_phy(phy_mask, phy_mask, i) {
743 asd_turn_led(asd_ha, i, 0);
744 asd_control_led(asd_ha, i, 0);
745 }
746}
747
748static void __devexit asd_pci_remove(struct pci_dev *dev)
749{
750 struct asd_ha_struct *asd_ha = pci_get_drvdata(dev);
751
752 if (!asd_ha)
753 return;
754
755 asd_unregister_sas_ha(asd_ha);
756
757 asd_disable_ints(asd_ha);
758
759 asd_remove_dev_attrs(asd_ha);
760
761 /* XXX more here as needed */
762
763 free_irq(dev->irq, asd_ha);
764 if (use_msi)
765 pci_disable_msi(asd_ha->pcidev);
766 asd_turn_off_leds(asd_ha);
767 asd_chip_hardrst(asd_ha);
768 asd_free_queues(asd_ha);
769 asd_destroy_ha_caches(asd_ha);
770 asd_unmap_ha(asd_ha);
771 kfree(asd_ha);
772 pci_disable_device(dev);
773 return;
774}
775
e7571c15
DW		 776static void asd_scan_start(struct Scsi_Host *shost)
777{
778 struct asd_ha_struct *asd_ha;
779 int err;
780
781 asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
782 err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
783 if (err)
784 asd_printk("Couldn't enable phys, err:%d\n", err);
785}
786
787static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
788{
789 /* give the phy enabling interrupt event time to come in (1s
790 * is empirically about all it takes) */
791 if (time < HZ)
792 return 0;
793 /* Wait for discovery to finish */
794 scsi_flush_work(shost);
795 return 1;
796}
797
2908d778
JB		 798static ssize_t asd_version_show(struct device_driver *driver, char *buf)
799{
800 return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
801}
802static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL);
803
bb076620 804static int asd_create_driver_attrs(struct device_driver *driver)
2908d778 805{
bb076620 806 return driver_create_file(driver, &driver_attr_version);
2908d778
JB		 807}
808
809static void asd_remove_driver_attrs(struct device_driver *driver)
810{
811 driver_remove_file(driver, &driver_attr_version);
812}
813
814static struct sas_domain_function_template aic94xx_transport_functions = {
2908d778
JB		 815 .lldd_dev_found = asd_dev_found,
816 .lldd_dev_gone = asd_dev_gone,
817
818 .lldd_execute_task = asd_execute_task,
819
820 .lldd_abort_task = asd_abort_task,
821 .lldd_abort_task_set = asd_abort_task_set,
822 .lldd_clear_aca = asd_clear_aca,
823 .lldd_clear_task_set = asd_clear_task_set,
824 .lldd_I_T_nexus_reset = NULL,
825 .lldd_lu_reset = asd_lu_reset,
826 .lldd_query_task = asd_query_task,
827
828 .lldd_clear_nexus_port = asd_clear_nexus_port,
829 .lldd_clear_nexus_ha = asd_clear_nexus_ha,
830
831 .lldd_control_phy = asd_control_phy,
832};
833
834static const struct pci_device_id aic94xx_pci_table[] __devinitdata = {
835 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10),
836 0, 0, 1},
837 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12),
838 0, 0, 1},
839 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E),
840 0, 0, 1},
3fc2aef5
SK		 841 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1F),
842 0, 0, 1},
2908d778
JB		 843 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30),
844 0, 0, 2},
845 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32),
846 0, 0, 2},
847 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E),
848 0, 0, 2},
849 {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F),
850 0, 0, 2},
851 {}
852};
853
854MODULE_DEVICE_TABLE(pci, aic94xx_pci_table);
855
856static struct pci_driver aic94xx_pci_driver = {
857 .name = ASD_DRIVER_NAME,
858 .id_table = aic94xx_pci_table,
859 .probe = asd_pci_probe,
860 .remove = __devexit_p(asd_pci_remove),
861};
862
863static int __init aic94xx_init(void)
864{
865 int err;
866
867
868 asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION,
869 ASD_DRIVER_VERSION);
870
871 err = asd_create_global_caches();
872 if (err)
873 return err;
874
875 aic94xx_transport_template =
876 sas_domain_attach_transport(&aic94xx_transport_functions);
10d19ae5 877 if (!aic94xx_transport_template)
2908d778
JB		 878 goto out_destroy_caches;
879
880 err = pci_register_driver(&aic94xx_pci_driver);
881 if (err)
882 goto out_release_transport;
883
bb076620
JG		 884 err = asd_create_driver_attrs(&aic94xx_pci_driver.driver);
885 if (err)
886 goto out_unregister_pcidrv;
2908d778
JB		 887
888 return err;
889
bb076620
JG		 890 out_unregister_pcidrv:
891 pci_unregister_driver(&aic94xx_pci_driver);
2908d778
JB		 892 out_release_transport:
893 sas_release_transport(aic94xx_transport_template);
894 out_destroy_caches:
895 asd_destroy_global_caches();
896
897 return err;
898}
899
900static void __exit aic94xx_exit(void)
901{
902 asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
903 pci_unregister_driver(&aic94xx_pci_driver);
904 sas_release_transport(aic94xx_transport_template);
bf2a1928 905 asd_release_firmware();
2908d778
JB		 906 asd_destroy_global_caches();
907 asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
908 ASD_DRIVER_VERSION);
909}
910
911module_init(aic94xx_init);
912module_exit(aic94xx_exit);
913
914MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>");
915MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION);
916MODULE_LICENSE("GPL v2");
917MODULE_VERSION(ASD_DRIVER_VERSION);
Linux 6.x block layer and io_uring tree(s)