]>
Commit | Line | Data |
---|---|---|
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 | |
43 | static int use_msi = 0; | |
44 | module_param_named(use_msi, use_msi, int, S_IRUGO); | |
45 | MODULE_PARM_DESC(use_msi, "\n" | |
46 | "\tEnable(1) or disable(0) using PCI MSI.\n" | |
47 | "\tDefault: 0"); | |
48 | ||
49 | static int lldd_max_execute_num = 0; | |
50 | module_param_named(collector, lldd_max_execute_num, int, S_IRUGO); | |
51 | MODULE_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 | ||
57 | char sas_addr_str[2*SAS_ADDR_SIZE + 1] = ""; | |
58 | ||
59 | static struct scsi_transport_template *aic94xx_transport_template; | |
e7571c15 DW |
60 | static int asd_scan_finished(struct Scsi_Host *, unsigned long); |
61 | static void asd_scan_start(struct Scsi_Host *); | |
2908d778 JB |
62 | |
63 | static 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, |
fa1c1e8f DW |
84 | .slave_alloc = sas_slave_alloc, |
85 | .target_destroy = sas_target_destroy, | |
86 | .ioctl = sas_ioctl, | |
2908d778 JB |
87 | }; |
88 | ||
89 | static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha) | |
90 | { | |
91 | int err, i; | |
92 | struct asd_ha_addrspace *io_handle; | |
93 | ||
94 | asd_ha->iospace = 0; | |
95 | for (i = 0; i < 3; i += 2) { | |
96 | io_handle = &asd_ha->io_handle[i==0?0:1]; | |
97 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); | |
98 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); | |
99 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); | |
100 | err = -ENODEV; | |
101 | if (!io_handle->start || !io_handle->len) { | |
102 | asd_printk("MBAR%d start or length for %s is 0.\n", | |
103 | i==0?0:1, pci_name(asd_ha->pcidev)); | |
104 | goto Err; | |
105 | } | |
106 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); | |
107 | if (err) { | |
108 | asd_printk("couldn't reserve memory region for %s\n", | |
109 | pci_name(asd_ha->pcidev)); | |
110 | goto Err; | |
111 | } | |
112 | if (io_handle->flags & IORESOURCE_CACHEABLE) | |
113 | io_handle->addr = ioremap(io_handle->start, | |
114 | io_handle->len); | |
115 | else | |
116 | io_handle->addr = ioremap_nocache(io_handle->start, | |
117 | io_handle->len); | |
118 | if (!io_handle->addr) { | |
119 | asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1, | |
120 | pci_name(asd_ha->pcidev)); | |
121 | goto Err_unreq; | |
122 | } | |
123 | } | |
124 | ||
125 | return 0; | |
126 | Err_unreq: | |
127 | pci_release_region(asd_ha->pcidev, i); | |
128 | Err: | |
129 | if (i > 0) { | |
130 | io_handle = &asd_ha->io_handle[0]; | |
131 | iounmap(io_handle->addr); | |
132 | pci_release_region(asd_ha->pcidev, 0); | |
133 | } | |
134 | return err; | |
135 | } | |
136 | ||
137 | static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha) | |
138 | { | |
139 | struct asd_ha_addrspace *io_handle; | |
140 | ||
141 | io_handle = &asd_ha->io_handle[1]; | |
142 | iounmap(io_handle->addr); | |
143 | pci_release_region(asd_ha->pcidev, 2); | |
144 | ||
145 | io_handle = &asd_ha->io_handle[0]; | |
146 | iounmap(io_handle->addr); | |
147 | pci_release_region(asd_ha->pcidev, 0); | |
148 | } | |
149 | ||
150 | static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha) | |
151 | { | |
152 | int i = PCI_IOBAR_OFFSET, err; | |
153 | struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0]; | |
154 | ||
155 | asd_ha->iospace = 1; | |
156 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); | |
157 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); | |
158 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); | |
159 | io_handle->addr = (void __iomem *) io_handle->start; | |
160 | if (!io_handle->start || !io_handle->len) { | |
161 | asd_printk("couldn't get IO ports for %s\n", | |
162 | pci_name(asd_ha->pcidev)); | |
163 | return -ENODEV; | |
164 | } | |
165 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); | |
166 | if (err) { | |
167 | asd_printk("couldn't reserve io space for %s\n", | |
168 | pci_name(asd_ha->pcidev)); | |
169 | } | |
170 | ||
171 | return err; | |
172 | } | |
173 | ||
174 | static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha) | |
175 | { | |
176 | pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET); | |
177 | } | |
178 | ||
179 | static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha) | |
180 | { | |
181 | int err; | |
182 | u16 cmd_reg; | |
183 | ||
184 | err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg); | |
185 | if (err) { | |
186 | asd_printk("couldn't read command register of %s\n", | |
187 | pci_name(asd_ha->pcidev)); | |
188 | goto Err; | |
189 | } | |
190 | ||
191 | err = -ENODEV; | |
192 | if (cmd_reg & PCI_COMMAND_MEMORY) { | |
193 | if ((err = asd_map_memio(asd_ha))) | |
194 | goto Err; | |
195 | } else if (cmd_reg & PCI_COMMAND_IO) { | |
196 | if ((err = asd_map_ioport(asd_ha))) | |
197 | goto Err; | |
198 | asd_printk("%s ioport mapped -- upgrade your hardware\n", | |
199 | pci_name(asd_ha->pcidev)); | |
200 | } else { | |
201 | asd_printk("no proper device access to %s\n", | |
202 | pci_name(asd_ha->pcidev)); | |
203 | goto Err; | |
204 | } | |
205 | ||
206 | return 0; | |
207 | Err: | |
208 | return err; | |
209 | } | |
210 | ||
211 | static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha) | |
212 | { | |
213 | if (asd_ha->iospace) | |
214 | asd_unmap_ioport(asd_ha); | |
215 | else | |
216 | asd_unmap_memio(asd_ha); | |
217 | } | |
218 | ||
219 | static const char *asd_dev_rev[30] = { | |
220 | [0] = "A0", | |
221 | [1] = "A1", | |
222 | [8] = "B0", | |
223 | }; | |
224 | ||
225 | static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha) | |
226 | { | |
227 | int err, i; | |
228 | ||
44c10138 AK |
229 | asd_ha->revision_id = asd_ha->pcidev->revision; |
230 | ||
2908d778 JB |
231 | err = -ENODEV; |
232 | if (asd_ha->revision_id < AIC9410_DEV_REV_B0) { | |
233 | asd_printk("%s is revision %s (%X), which is not supported\n", | |
234 | pci_name(asd_ha->pcidev), | |
235 | asd_dev_rev[asd_ha->revision_id], | |
236 | asd_ha->revision_id); | |
237 | goto Err; | |
238 | } | |
239 | /* Provide some sane default values. */ | |
240 | asd_ha->hw_prof.max_scbs = 512; | |
3b709df5 | 241 | asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS; |
2908d778 JB |
242 | asd_ha->hw_prof.num_phys = ASD_MAX_PHYS; |
243 | /* All phys are enabled, by default. */ | |
244 | asd_ha->hw_prof.enabled_phys = 0xFF; | |
245 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
88edf746 JB |
246 | asd_ha->hw_prof.phy_desc[i].max_sas_lrate = |
247 | SAS_LINK_RATE_3_0_GBPS; | |
248 | asd_ha->hw_prof.phy_desc[i].min_sas_lrate = | |
249 | SAS_LINK_RATE_1_5_GBPS; | |
250 | asd_ha->hw_prof.phy_desc[i].max_sata_lrate = | |
251 | SAS_LINK_RATE_1_5_GBPS; | |
252 | asd_ha->hw_prof.phy_desc[i].min_sata_lrate = | |
253 | SAS_LINK_RATE_1_5_GBPS; | |
2908d778 JB |
254 | } |
255 | ||
256 | return 0; | |
257 | Err: | |
258 | return err; | |
259 | } | |
260 | ||
261 | static int __devinit asd_aic9410_setup(struct asd_ha_struct *asd_ha) | |
262 | { | |
263 | int err = asd_common_setup(asd_ha); | |
264 | ||
265 | if (err) | |
266 | return err; | |
267 | ||
268 | asd_ha->hw_prof.addr_range = 8; | |
269 | asd_ha->hw_prof.port_name_base = 0; | |
270 | asd_ha->hw_prof.dev_name_base = 8; | |
271 | asd_ha->hw_prof.sata_name_base = 16; | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
276 | static int __devinit asd_aic9405_setup(struct asd_ha_struct *asd_ha) | |
277 | { | |
278 | int err = asd_common_setup(asd_ha); | |
279 | ||
280 | if (err) | |
281 | return err; | |
282 | ||
283 | asd_ha->hw_prof.addr_range = 4; | |
284 | asd_ha->hw_prof.port_name_base = 0; | |
285 | asd_ha->hw_prof.dev_name_base = 4; | |
286 | asd_ha->hw_prof.sata_name_base = 8; | |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
291 | static ssize_t asd_show_dev_rev(struct device *dev, | |
292 | struct device_attribute *attr, char *buf) | |
293 | { | |
294 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); | |
295 | return snprintf(buf, PAGE_SIZE, "%s\n", | |
296 | asd_dev_rev[asd_ha->revision_id]); | |
297 | } | |
298 | static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL); | |
299 | ||
300 | static ssize_t asd_show_dev_bios_build(struct device *dev, | |
301 | struct device_attribute *attr,char *buf) | |
302 | { | |
303 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); | |
304 | return snprintf(buf, PAGE_SIZE, "%d\n", asd_ha->hw_prof.bios.bld); | |
305 | } | |
306 | static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL); | |
307 | ||
308 | static ssize_t asd_show_dev_pcba_sn(struct device *dev, | |
309 | struct device_attribute *attr, char *buf) | |
310 | { | |
311 | struct asd_ha_struct *asd_ha = dev_to_asd_ha(dev); | |
312 | return snprintf(buf, PAGE_SIZE, "%s\n", asd_ha->hw_prof.pcba_sn); | |
313 | } | |
314 | static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); | |
315 | ||
bb076620 | 316 | static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) |
2908d778 | 317 | { |
bb076620 JG |
318 | int err; |
319 | ||
320 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); | |
321 | if (err) | |
322 | return err; | |
323 | ||
324 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); | |
325 | if (err) | |
326 | goto err_rev; | |
327 | ||
328 | err = device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); | |
329 | if (err) | |
330 | goto err_biosb; | |
331 | ||
332 | return 0; | |
333 | ||
334 | err_biosb: | |
335 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); | |
336 | err_rev: | |
337 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); | |
338 | return err; | |
2908d778 JB |
339 | } |
340 | ||
341 | static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) | |
342 | { | |
343 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); | |
344 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); | |
345 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); | |
346 | } | |
347 | ||
348 | /* The first entry, 0, is used for dynamic ids, the rest for devices | |
349 | * we know about. | |
350 | */ | |
351 | static struct asd_pcidev_struct { | |
352 | const char * name; | |
353 | int (*setup)(struct asd_ha_struct *asd_ha); | |
354 | } asd_pcidev_data[] = { | |
355 | /* Id 0 is used for dynamic ids. */ | |
356 | { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter", | |
357 | .setup = asd_aic9410_setup | |
358 | }, | |
359 | { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter", | |
360 | .setup = asd_aic9410_setup | |
361 | }, | |
362 | { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter", | |
363 | .setup = asd_aic9405_setup | |
364 | }, | |
365 | }; | |
366 | ||
367 | static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha) | |
368 | { | |
369 | asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool", | |
370 | &asd_ha->pcidev->dev, | |
371 | sizeof(struct scb), | |
372 | 8, 0); | |
373 | if (!asd_ha->scb_pool) { | |
374 | asd_printk("couldn't create scb pool\n"); | |
375 | return -ENOMEM; | |
376 | } | |
377 | ||
378 | return 0; | |
379 | } | |
380 | ||
381 | /** | |
382 | * asd_free_edbs -- free empty data buffers | |
383 | * asd_ha: pointer to host adapter structure | |
384 | */ | |
385 | static inline void asd_free_edbs(struct asd_ha_struct *asd_ha) | |
386 | { | |
387 | struct asd_seq_data *seq = &asd_ha->seq; | |
388 | int i; | |
389 | ||
390 | for (i = 0; i < seq->num_edbs; i++) | |
391 | asd_free_coherent(asd_ha, seq->edb_arr[i]); | |
392 | kfree(seq->edb_arr); | |
393 | seq->edb_arr = NULL; | |
394 | } | |
395 | ||
396 | static inline void asd_free_escbs(struct asd_ha_struct *asd_ha) | |
397 | { | |
398 | struct asd_seq_data *seq = &asd_ha->seq; | |
399 | int i; | |
400 | ||
401 | for (i = 0; i < seq->num_escbs; i++) { | |
402 | if (!list_empty(&seq->escb_arr[i]->list)) | |
403 | list_del_init(&seq->escb_arr[i]->list); | |
404 | ||
405 | asd_ascb_free(seq->escb_arr[i]); | |
406 | } | |
407 | kfree(seq->escb_arr); | |
408 | seq->escb_arr = NULL; | |
409 | } | |
410 | ||
411 | static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) | |
412 | { | |
413 | int i; | |
414 | ||
415 | if (asd_ha->hw_prof.ddb_ext) | |
416 | asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext); | |
417 | if (asd_ha->hw_prof.scb_ext) | |
418 | asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext); | |
419 | ||
420 | if (asd_ha->hw_prof.ddb_bitmap) | |
421 | kfree(asd_ha->hw_prof.ddb_bitmap); | |
422 | asd_ha->hw_prof.ddb_bitmap = NULL; | |
423 | ||
424 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
425 | struct asd_phy *phy = &asd_ha->phys[i]; | |
426 | ||
427 | asd_free_coherent(asd_ha, phy->id_frm_tok); | |
428 | } | |
429 | if (asd_ha->seq.escb_arr) | |
430 | asd_free_escbs(asd_ha); | |
431 | if (asd_ha->seq.edb_arr) | |
432 | asd_free_edbs(asd_ha); | |
433 | if (asd_ha->hw_prof.ue.area) { | |
434 | kfree(asd_ha->hw_prof.ue.area); | |
435 | asd_ha->hw_prof.ue.area = NULL; | |
436 | } | |
437 | if (asd_ha->seq.tc_index_array) { | |
438 | kfree(asd_ha->seq.tc_index_array); | |
439 | kfree(asd_ha->seq.tc_index_bitmap); | |
440 | asd_ha->seq.tc_index_array = NULL; | |
441 | asd_ha->seq.tc_index_bitmap = NULL; | |
442 | } | |
443 | if (asd_ha->seq.actual_dl) { | |
444 | asd_free_coherent(asd_ha, asd_ha->seq.actual_dl); | |
445 | asd_ha->seq.actual_dl = NULL; | |
446 | asd_ha->seq.dl = NULL; | |
447 | } | |
448 | if (asd_ha->seq.next_scb.vaddr) { | |
449 | dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr, | |
450 | asd_ha->seq.next_scb.dma_handle); | |
451 | asd_ha->seq.next_scb.vaddr = NULL; | |
452 | } | |
453 | dma_pool_destroy(asd_ha->scb_pool); | |
454 | asd_ha->scb_pool = NULL; | |
455 | } | |
456 | ||
e18b890b CL |
457 | struct kmem_cache *asd_dma_token_cache; |
458 | struct kmem_cache *asd_ascb_cache; | |
2908d778 JB |
459 | |
460 | static int asd_create_global_caches(void) | |
461 | { | |
462 | if (!asd_dma_token_cache) { | |
463 | asd_dma_token_cache | |
464 | = kmem_cache_create(ASD_DRIVER_NAME "_dma_token", | |
465 | sizeof(struct asd_dma_tok), | |
466 | 0, | |
467 | SLAB_HWCACHE_ALIGN, | |
20c2df83 | 468 | NULL); |
2908d778 JB |
469 | if (!asd_dma_token_cache) { |
470 | asd_printk("couldn't create dma token cache\n"); | |
471 | return -ENOMEM; | |
472 | } | |
473 | } | |
474 | ||
475 | if (!asd_ascb_cache) { | |
476 | asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb", | |
477 | sizeof(struct asd_ascb), | |
478 | 0, | |
479 | SLAB_HWCACHE_ALIGN, | |
20c2df83 | 480 | NULL); |
2908d778 JB |
481 | if (!asd_ascb_cache) { |
482 | asd_printk("couldn't create ascb cache\n"); | |
483 | goto Err; | |
484 | } | |
485 | } | |
486 | ||
487 | return 0; | |
488 | Err: | |
489 | kmem_cache_destroy(asd_dma_token_cache); | |
490 | asd_dma_token_cache = NULL; | |
491 | return -ENOMEM; | |
492 | } | |
493 | ||
494 | static void asd_destroy_global_caches(void) | |
495 | { | |
496 | if (asd_dma_token_cache) | |
497 | kmem_cache_destroy(asd_dma_token_cache); | |
498 | asd_dma_token_cache = NULL; | |
499 | ||
500 | if (asd_ascb_cache) | |
501 | kmem_cache_destroy(asd_ascb_cache); | |
502 | asd_ascb_cache = NULL; | |
503 | } | |
504 | ||
505 | static int asd_register_sas_ha(struct asd_ha_struct *asd_ha) | |
506 | { | |
507 | int i; | |
508 | struct asd_sas_phy **sas_phys = | |
509 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL); | |
510 | struct asd_sas_port **sas_ports = | |
511 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL); | |
512 | ||
513 | if (!sas_phys || !sas_ports) { | |
514 | kfree(sas_phys); | |
515 | kfree(sas_ports); | |
516 | return -ENOMEM; | |
517 | } | |
518 | ||
519 | asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name; | |
520 | asd_ha->sas_ha.lldd_module = THIS_MODULE; | |
521 | asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0]; | |
522 | ||
523 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
524 | sas_phys[i] = &asd_ha->phys[i].sas_phy; | |
525 | sas_ports[i] = &asd_ha->ports[i]; | |
526 | } | |
527 | ||
528 | asd_ha->sas_ha.sas_phy = sas_phys; | |
529 | asd_ha->sas_ha.sas_port= sas_ports; | |
530 | asd_ha->sas_ha.num_phys= ASD_MAX_PHYS; | |
531 | ||
532 | asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue; | |
f1216420 | 533 | asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num; |
2908d778 JB |
534 | |
535 | return sas_register_ha(&asd_ha->sas_ha); | |
536 | } | |
537 | ||
538 | static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha) | |
539 | { | |
540 | int err; | |
541 | ||
542 | err = sas_unregister_ha(&asd_ha->sas_ha); | |
543 | ||
544 | sas_remove_host(asd_ha->sas_ha.core.shost); | |
545 | scsi_remove_host(asd_ha->sas_ha.core.shost); | |
546 | scsi_host_put(asd_ha->sas_ha.core.shost); | |
547 | ||
548 | kfree(asd_ha->sas_ha.sas_phy); | |
549 | kfree(asd_ha->sas_ha.sas_port); | |
550 | ||
551 | return err; | |
552 | } | |
553 | ||
554 | static int __devinit asd_pci_probe(struct pci_dev *dev, | |
555 | const struct pci_device_id *id) | |
556 | { | |
557 | struct asd_pcidev_struct *asd_dev; | |
558 | unsigned asd_id = (unsigned) id->driver_data; | |
559 | struct asd_ha_struct *asd_ha; | |
560 | struct Scsi_Host *shost; | |
561 | int err; | |
562 | ||
563 | if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) { | |
564 | asd_printk("wrong driver_data in PCI table\n"); | |
565 | return -ENODEV; | |
566 | } | |
567 | ||
568 | if ((err = pci_enable_device(dev))) { | |
569 | asd_printk("couldn't enable device %s\n", pci_name(dev)); | |
570 | return err; | |
571 | } | |
572 | ||
573 | pci_set_master(dev); | |
574 | ||
575 | err = -ENOMEM; | |
576 | ||
577 | shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *)); | |
578 | if (!shost) | |
579 | goto Err; | |
580 | ||
581 | asd_dev = &asd_pcidev_data[asd_id]; | |
582 | ||
583 | asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL); | |
584 | if (!asd_ha) { | |
585 | asd_printk("out of memory\n"); | |
586 | goto Err; | |
587 | } | |
588 | asd_ha->pcidev = dev; | |
1d1bbee6 | 589 | asd_ha->sas_ha.dev = &asd_ha->pcidev->dev; |
2908d778 JB |
590 | asd_ha->sas_ha.lldd_ha = asd_ha; |
591 | ||
592 | asd_ha->name = asd_dev->name; | |
593 | asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); | |
594 | ||
595 | SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha; | |
596 | asd_ha->sas_ha.core.shost = shost; | |
597 | shost->transportt = aic94xx_transport_template; | |
598 | shost->max_id = ~0; | |
599 | shost->max_lun = ~0; | |
600 | shost->max_cmd_len = 16; | |
601 | ||
602 | err = scsi_add_host(shost, &dev->dev); | |
603 | if (err) { | |
604 | scsi_host_put(shost); | |
605 | goto Err_free; | |
606 | } | |
607 | ||
2908d778 JB |
608 | err = asd_dev->setup(asd_ha); |
609 | if (err) | |
610 | goto Err_free; | |
611 | ||
612 | err = -ENODEV; | |
613 | if (!pci_set_dma_mask(dev, DMA_64BIT_MASK) | |
614 | && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK)) | |
615 | ; | |
616 | else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK) | |
617 | && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) | |
618 | ; | |
619 | else { | |
620 | asd_printk("no suitable DMA mask for %s\n", pci_name(dev)); | |
621 | goto Err_free; | |
622 | } | |
623 | ||
624 | pci_set_drvdata(dev, asd_ha); | |
625 | ||
626 | err = asd_map_ha(asd_ha); | |
627 | if (err) | |
628 | goto Err_free; | |
629 | ||
630 | err = asd_create_ha_caches(asd_ha); | |
631 | if (err) | |
632 | goto Err_unmap; | |
633 | ||
634 | err = asd_init_hw(asd_ha); | |
635 | if (err) | |
636 | goto Err_free_cache; | |
637 | ||
638 | asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled " | |
639 | "phys, flash %s, BIOS %s%d\n", | |
640 | pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr), | |
641 | asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys, | |
642 | asd_ha->hw_prof.num_phys, | |
643 | asd_ha->hw_prof.flash.present ? "present" : "not present", | |
644 | asd_ha->hw_prof.bios.present ? "build " : "not present", | |
645 | asd_ha->hw_prof.bios.bld); | |
646 | ||
f19eaa7f DW |
647 | shost->can_queue = asd_ha->seq.can_queue; |
648 | ||
2908d778 JB |
649 | if (use_msi) |
650 | pci_enable_msi(asd_ha->pcidev); | |
651 | ||
38515e90 | 652 | err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, IRQF_SHARED, |
2908d778 JB |
653 | ASD_DRIVER_NAME, asd_ha); |
654 | if (err) { | |
655 | asd_printk("couldn't get irq %d for %s\n", | |
656 | asd_ha->pcidev->irq, pci_name(asd_ha->pcidev)); | |
657 | goto Err_irq; | |
658 | } | |
659 | asd_enable_ints(asd_ha); | |
660 | ||
661 | err = asd_init_post_escbs(asd_ha); | |
662 | if (err) { | |
663 | asd_printk("couldn't post escbs for %s\n", | |
664 | pci_name(asd_ha->pcidev)); | |
665 | goto Err_escbs; | |
666 | } | |
667 | ASD_DPRINTK("escbs posted\n"); | |
668 | ||
bb076620 JG |
669 | err = asd_create_dev_attrs(asd_ha); |
670 | if (err) | |
671 | goto Err_dev_attrs; | |
2908d778 JB |
672 | |
673 | err = asd_register_sas_ha(asd_ha); | |
674 | if (err) | |
675 | goto Err_reg_sas; | |
676 | ||
e7571c15 | 677 | scsi_scan_host(shost); |
2908d778 JB |
678 | |
679 | return 0; | |
e7571c15 | 680 | |
2908d778 JB |
681 | Err_reg_sas: |
682 | asd_remove_dev_attrs(asd_ha); | |
bb076620 | 683 | Err_dev_attrs: |
2908d778 JB |
684 | Err_escbs: |
685 | asd_disable_ints(asd_ha); | |
686 | free_irq(dev->irq, asd_ha); | |
687 | Err_irq: | |
688 | if (use_msi) | |
689 | pci_disable_msi(dev); | |
690 | asd_chip_hardrst(asd_ha); | |
691 | Err_free_cache: | |
692 | asd_destroy_ha_caches(asd_ha); | |
693 | Err_unmap: | |
694 | asd_unmap_ha(asd_ha); | |
695 | Err_free: | |
696 | kfree(asd_ha); | |
697 | scsi_remove_host(shost); | |
698 | Err: | |
699 | pci_disable_device(dev); | |
700 | return err; | |
701 | } | |
702 | ||
703 | static void asd_free_queues(struct asd_ha_struct *asd_ha) | |
704 | { | |
705 | unsigned long flags; | |
706 | LIST_HEAD(pending); | |
707 | struct list_head *n, *pos; | |
708 | ||
709 | spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags); | |
710 | asd_ha->seq.pending = 0; | |
711 | list_splice_init(&asd_ha->seq.pend_q, &pending); | |
712 | spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags); | |
713 | ||
714 | if (!list_empty(&pending)) | |
715 | ASD_DPRINTK("Uh-oh! Pending is not empty!\n"); | |
716 | ||
717 | list_for_each_safe(pos, n, &pending) { | |
718 | struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); | |
7b4feee9 DW |
719 | /* |
720 | * Delete unexpired ascb timers. This may happen if we issue | |
721 | * a CONTROL PHY scb to an adapter and rmmod before the scb | |
722 | * times out. Apparently we don't wait for the CONTROL PHY | |
723 | * to complete, so it doesn't matter if we kill the timer. | |
724 | */ | |
725 | del_timer_sync(&ascb->timer); | |
726 | WARN_ON(ascb->scb->header.opcode != CONTROL_PHY); | |
727 | ||
2908d778 JB |
728 | list_del_init(pos); |
729 | ASD_DPRINTK("freeing from pending\n"); | |
730 | asd_ascb_free(ascb); | |
731 | } | |
732 | } | |
733 | ||
734 | static void asd_turn_off_leds(struct asd_ha_struct *asd_ha) | |
735 | { | |
736 | u8 phy_mask = asd_ha->hw_prof.enabled_phys; | |
737 | u8 i; | |
738 | ||
739 | for_each_phy(phy_mask, phy_mask, i) { | |
740 | asd_turn_led(asd_ha, i, 0); | |
741 | asd_control_led(asd_ha, i, 0); | |
742 | } | |
743 | } | |
744 | ||
745 | static void __devexit asd_pci_remove(struct pci_dev *dev) | |
746 | { | |
747 | struct asd_ha_struct *asd_ha = pci_get_drvdata(dev); | |
748 | ||
749 | if (!asd_ha) | |
750 | return; | |
751 | ||
752 | asd_unregister_sas_ha(asd_ha); | |
753 | ||
754 | asd_disable_ints(asd_ha); | |
755 | ||
756 | asd_remove_dev_attrs(asd_ha); | |
757 | ||
758 | /* XXX more here as needed */ | |
759 | ||
760 | free_irq(dev->irq, asd_ha); | |
761 | if (use_msi) | |
762 | pci_disable_msi(asd_ha->pcidev); | |
763 | asd_turn_off_leds(asd_ha); | |
764 | asd_chip_hardrst(asd_ha); | |
765 | asd_free_queues(asd_ha); | |
766 | asd_destroy_ha_caches(asd_ha); | |
767 | asd_unmap_ha(asd_ha); | |
768 | kfree(asd_ha); | |
769 | pci_disable_device(dev); | |
770 | return; | |
771 | } | |
772 | ||
e7571c15 DW |
773 | static void asd_scan_start(struct Scsi_Host *shost) |
774 | { | |
775 | struct asd_ha_struct *asd_ha; | |
776 | int err; | |
777 | ||
778 | asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha; | |
779 | err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys); | |
780 | if (err) | |
781 | asd_printk("Couldn't enable phys, err:%d\n", err); | |
782 | } | |
783 | ||
784 | static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time) | |
785 | { | |
786 | /* give the phy enabling interrupt event time to come in (1s | |
787 | * is empirically about all it takes) */ | |
788 | if (time < HZ) | |
789 | return 0; | |
790 | /* Wait for discovery to finish */ | |
791 | scsi_flush_work(shost); | |
792 | return 1; | |
793 | } | |
794 | ||
2908d778 JB |
795 | static ssize_t asd_version_show(struct device_driver *driver, char *buf) |
796 | { | |
797 | return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION); | |
798 | } | |
799 | static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); | |
800 | ||
bb076620 | 801 | static int asd_create_driver_attrs(struct device_driver *driver) |
2908d778 | 802 | { |
bb076620 | 803 | return driver_create_file(driver, &driver_attr_version); |
2908d778 JB |
804 | } |
805 | ||
806 | static void asd_remove_driver_attrs(struct device_driver *driver) | |
807 | { | |
808 | driver_remove_file(driver, &driver_attr_version); | |
809 | } | |
810 | ||
811 | static struct sas_domain_function_template aic94xx_transport_functions = { | |
2908d778 JB |
812 | .lldd_dev_found = asd_dev_found, |
813 | .lldd_dev_gone = asd_dev_gone, | |
814 | ||
815 | .lldd_execute_task = asd_execute_task, | |
816 | ||
817 | .lldd_abort_task = asd_abort_task, | |
818 | .lldd_abort_task_set = asd_abort_task_set, | |
819 | .lldd_clear_aca = asd_clear_aca, | |
820 | .lldd_clear_task_set = asd_clear_task_set, | |
821 | .lldd_I_T_nexus_reset = NULL, | |
822 | .lldd_lu_reset = asd_lu_reset, | |
823 | .lldd_query_task = asd_query_task, | |
824 | ||
825 | .lldd_clear_nexus_port = asd_clear_nexus_port, | |
826 | .lldd_clear_nexus_ha = asd_clear_nexus_ha, | |
827 | ||
828 | .lldd_control_phy = asd_control_phy, | |
829 | }; | |
830 | ||
831 | static const struct pci_device_id aic94xx_pci_table[] __devinitdata = { | |
f9755bea GW |
832 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x410),0, 0, 1}, |
833 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x412),0, 0, 1}, | |
834 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x416),0, 0, 1}, | |
835 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41E),0, 0, 1}, | |
836 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x41F),0, 0, 1}, | |
837 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x430),0, 0, 2}, | |
838 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x432),0, 0, 2}, | |
839 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43E),0, 0, 2}, | |
840 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, 0x43F),0, 0, 2}, | |
2908d778 JB |
841 | {} |
842 | }; | |
843 | ||
844 | MODULE_DEVICE_TABLE(pci, aic94xx_pci_table); | |
845 | ||
846 | static struct pci_driver aic94xx_pci_driver = { | |
847 | .name = ASD_DRIVER_NAME, | |
848 | .id_table = aic94xx_pci_table, | |
849 | .probe = asd_pci_probe, | |
850 | .remove = __devexit_p(asd_pci_remove), | |
851 | }; | |
852 | ||
853 | static int __init aic94xx_init(void) | |
854 | { | |
855 | int err; | |
856 | ||
857 | ||
858 | asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION, | |
859 | ASD_DRIVER_VERSION); | |
860 | ||
861 | err = asd_create_global_caches(); | |
862 | if (err) | |
863 | return err; | |
864 | ||
865 | aic94xx_transport_template = | |
866 | sas_domain_attach_transport(&aic94xx_transport_functions); | |
10d19ae5 | 867 | if (!aic94xx_transport_template) |
2908d778 JB |
868 | goto out_destroy_caches; |
869 | ||
870 | err = pci_register_driver(&aic94xx_pci_driver); | |
871 | if (err) | |
872 | goto out_release_transport; | |
873 | ||
bb076620 JG |
874 | err = asd_create_driver_attrs(&aic94xx_pci_driver.driver); |
875 | if (err) | |
876 | goto out_unregister_pcidrv; | |
2908d778 JB |
877 | |
878 | return err; | |
879 | ||
bb076620 JG |
880 | out_unregister_pcidrv: |
881 | pci_unregister_driver(&aic94xx_pci_driver); | |
2908d778 JB |
882 | out_release_transport: |
883 | sas_release_transport(aic94xx_transport_template); | |
884 | out_destroy_caches: | |
885 | asd_destroy_global_caches(); | |
886 | ||
887 | return err; | |
888 | } | |
889 | ||
890 | static void __exit aic94xx_exit(void) | |
891 | { | |
892 | asd_remove_driver_attrs(&aic94xx_pci_driver.driver); | |
893 | pci_unregister_driver(&aic94xx_pci_driver); | |
894 | sas_release_transport(aic94xx_transport_template); | |
bf2a1928 | 895 | asd_release_firmware(); |
2908d778 JB |
896 | asd_destroy_global_caches(); |
897 | asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION, | |
898 | ASD_DRIVER_VERSION); | |
899 | } | |
900 | ||
901 | module_init(aic94xx_init); | |
902 | module_exit(aic94xx_exit); | |
903 | ||
904 | MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>"); | |
905 | MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION); | |
906 | MODULE_LICENSE("GPL v2"); | |
907 | MODULE_VERSION(ASD_DRIVER_VERSION); |