]>
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 | ||
27 | #include <linux/config.h> | |
28 | #include <linux/module.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/kernel.h> | |
31 | #include <linux/pci.h> | |
32 | #include <linux/delay.h> | |
33 | ||
34 | #include <scsi/scsi_host.h> | |
35 | ||
36 | #include "aic94xx.h" | |
37 | #include "aic94xx_reg.h" | |
38 | #include "aic94xx_hwi.h" | |
39 | #include "aic94xx_seq.h" | |
40 | ||
41 | /* The format is "version.release.patchlevel" */ | |
42 | #define ASD_DRIVER_VERSION "1.0.2" | |
43 | ||
44 | static int use_msi = 0; | |
45 | module_param_named(use_msi, use_msi, int, S_IRUGO); | |
46 | MODULE_PARM_DESC(use_msi, "\n" | |
47 | "\tEnable(1) or disable(0) using PCI MSI.\n" | |
48 | "\tDefault: 0"); | |
49 | ||
50 | static int lldd_max_execute_num = 0; | |
51 | module_param_named(collector, lldd_max_execute_num, int, S_IRUGO); | |
52 | MODULE_PARM_DESC(collector, "\n" | |
53 | "\tIf greater than one, tells the SAS Layer to run in Task Collector\n" | |
54 | "\tMode. If 1 or 0, tells the SAS Layer to run in Direct Mode.\n" | |
55 | "\tThe aic94xx SAS LLDD supports both modes.\n" | |
56 | "\tDefault: 0 (Direct Mode).\n"); | |
57 | ||
58 | char sas_addr_str[2*SAS_ADDR_SIZE + 1] = ""; | |
59 | ||
60 | static struct scsi_transport_template *aic94xx_transport_template; | |
61 | ||
62 | static struct scsi_host_template aic94xx_sht = { | |
63 | .module = THIS_MODULE, | |
64 | /* .name is initialized */ | |
65 | .name = "aic94xx", | |
66 | .queuecommand = sas_queuecommand, | |
67 | .target_alloc = sas_target_alloc, | |
68 | .slave_configure = sas_slave_configure, | |
69 | .slave_destroy = sas_slave_destroy, | |
70 | .change_queue_depth = sas_change_queue_depth, | |
71 | .change_queue_type = sas_change_queue_type, | |
72 | .bios_param = sas_bios_param, | |
73 | .can_queue = 1, | |
74 | .cmd_per_lun = 1, | |
75 | .this_id = -1, | |
76 | .sg_tablesize = SG_ALL, | |
77 | .max_sectors = SCSI_DEFAULT_MAX_SECTORS, | |
78 | .use_clustering = ENABLE_CLUSTERING, | |
79 | }; | |
80 | ||
81 | static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha) | |
82 | { | |
83 | int err, i; | |
84 | struct asd_ha_addrspace *io_handle; | |
85 | ||
86 | asd_ha->iospace = 0; | |
87 | for (i = 0; i < 3; i += 2) { | |
88 | io_handle = &asd_ha->io_handle[i==0?0:1]; | |
89 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); | |
90 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); | |
91 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); | |
92 | err = -ENODEV; | |
93 | if (!io_handle->start || !io_handle->len) { | |
94 | asd_printk("MBAR%d start or length for %s is 0.\n", | |
95 | i==0?0:1, pci_name(asd_ha->pcidev)); | |
96 | goto Err; | |
97 | } | |
98 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); | |
99 | if (err) { | |
100 | asd_printk("couldn't reserve memory region for %s\n", | |
101 | pci_name(asd_ha->pcidev)); | |
102 | goto Err; | |
103 | } | |
104 | if (io_handle->flags & IORESOURCE_CACHEABLE) | |
105 | io_handle->addr = ioremap(io_handle->start, | |
106 | io_handle->len); | |
107 | else | |
108 | io_handle->addr = ioremap_nocache(io_handle->start, | |
109 | io_handle->len); | |
110 | if (!io_handle->addr) { | |
111 | asd_printk("couldn't map MBAR%d of %s\n", i==0?0:1, | |
112 | pci_name(asd_ha->pcidev)); | |
113 | goto Err_unreq; | |
114 | } | |
115 | } | |
116 | ||
117 | return 0; | |
118 | Err_unreq: | |
119 | pci_release_region(asd_ha->pcidev, i); | |
120 | Err: | |
121 | if (i > 0) { | |
122 | io_handle = &asd_ha->io_handle[0]; | |
123 | iounmap(io_handle->addr); | |
124 | pci_release_region(asd_ha->pcidev, 0); | |
125 | } | |
126 | return err; | |
127 | } | |
128 | ||
129 | static void __devexit asd_unmap_memio(struct asd_ha_struct *asd_ha) | |
130 | { | |
131 | struct asd_ha_addrspace *io_handle; | |
132 | ||
133 | io_handle = &asd_ha->io_handle[1]; | |
134 | iounmap(io_handle->addr); | |
135 | pci_release_region(asd_ha->pcidev, 2); | |
136 | ||
137 | io_handle = &asd_ha->io_handle[0]; | |
138 | iounmap(io_handle->addr); | |
139 | pci_release_region(asd_ha->pcidev, 0); | |
140 | } | |
141 | ||
142 | static int __devinit asd_map_ioport(struct asd_ha_struct *asd_ha) | |
143 | { | |
144 | int i = PCI_IOBAR_OFFSET, err; | |
145 | struct asd_ha_addrspace *io_handle = &asd_ha->io_handle[0]; | |
146 | ||
147 | asd_ha->iospace = 1; | |
148 | io_handle->start = pci_resource_start(asd_ha->pcidev, i); | |
149 | io_handle->len = pci_resource_len(asd_ha->pcidev, i); | |
150 | io_handle->flags = pci_resource_flags(asd_ha->pcidev, i); | |
151 | io_handle->addr = (void __iomem *) io_handle->start; | |
152 | if (!io_handle->start || !io_handle->len) { | |
153 | asd_printk("couldn't get IO ports for %s\n", | |
154 | pci_name(asd_ha->pcidev)); | |
155 | return -ENODEV; | |
156 | } | |
157 | err = pci_request_region(asd_ha->pcidev, i, ASD_DRIVER_NAME); | |
158 | if (err) { | |
159 | asd_printk("couldn't reserve io space for %s\n", | |
160 | pci_name(asd_ha->pcidev)); | |
161 | } | |
162 | ||
163 | return err; | |
164 | } | |
165 | ||
166 | static void __devexit asd_unmap_ioport(struct asd_ha_struct *asd_ha) | |
167 | { | |
168 | pci_release_region(asd_ha->pcidev, PCI_IOBAR_OFFSET); | |
169 | } | |
170 | ||
171 | static int __devinit asd_map_ha(struct asd_ha_struct *asd_ha) | |
172 | { | |
173 | int err; | |
174 | u16 cmd_reg; | |
175 | ||
176 | err = pci_read_config_word(asd_ha->pcidev, PCI_COMMAND, &cmd_reg); | |
177 | if (err) { | |
178 | asd_printk("couldn't read command register of %s\n", | |
179 | pci_name(asd_ha->pcidev)); | |
180 | goto Err; | |
181 | } | |
182 | ||
183 | err = -ENODEV; | |
184 | if (cmd_reg & PCI_COMMAND_MEMORY) { | |
185 | if ((err = asd_map_memio(asd_ha))) | |
186 | goto Err; | |
187 | } else if (cmd_reg & PCI_COMMAND_IO) { | |
188 | if ((err = asd_map_ioport(asd_ha))) | |
189 | goto Err; | |
190 | asd_printk("%s ioport mapped -- upgrade your hardware\n", | |
191 | pci_name(asd_ha->pcidev)); | |
192 | } else { | |
193 | asd_printk("no proper device access to %s\n", | |
194 | pci_name(asd_ha->pcidev)); | |
195 | goto Err; | |
196 | } | |
197 | ||
198 | return 0; | |
199 | Err: | |
200 | return err; | |
201 | } | |
202 | ||
203 | static void __devexit asd_unmap_ha(struct asd_ha_struct *asd_ha) | |
204 | { | |
205 | if (asd_ha->iospace) | |
206 | asd_unmap_ioport(asd_ha); | |
207 | else | |
208 | asd_unmap_memio(asd_ha); | |
209 | } | |
210 | ||
211 | static const char *asd_dev_rev[30] = { | |
212 | [0] = "A0", | |
213 | [1] = "A1", | |
214 | [8] = "B0", | |
215 | }; | |
216 | ||
217 | static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha) | |
218 | { | |
219 | int err, i; | |
220 | ||
221 | err = pci_read_config_byte(asd_ha->pcidev, PCI_REVISION_ID, | |
222 | &asd_ha->revision_id); | |
223 | if (err) { | |
224 | asd_printk("couldn't read REVISION ID register of %s\n", | |
225 | pci_name(asd_ha->pcidev)); | |
226 | goto Err; | |
227 | } | |
228 | err = -ENODEV; | |
229 | if (asd_ha->revision_id < AIC9410_DEV_REV_B0) { | |
230 | asd_printk("%s is revision %s (%X), which is not supported\n", | |
231 | pci_name(asd_ha->pcidev), | |
232 | asd_dev_rev[asd_ha->revision_id], | |
233 | asd_ha->revision_id); | |
234 | goto Err; | |
235 | } | |
236 | /* Provide some sane default values. */ | |
237 | asd_ha->hw_prof.max_scbs = 512; | |
238 | asd_ha->hw_prof.max_ddbs = 128; | |
239 | asd_ha->hw_prof.num_phys = ASD_MAX_PHYS; | |
240 | /* All phys are enabled, by default. */ | |
241 | asd_ha->hw_prof.enabled_phys = 0xFF; | |
242 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
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; | |
254 | Err: | |
255 | return err; | |
256 | } | |
257 | ||
258 | static 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 | ||
273 | static 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 | ||
288 | static 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 | } | |
295 | static DEVICE_ATTR(revision, S_IRUGO, asd_show_dev_rev, NULL); | |
296 | ||
297 | static 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 | } | |
303 | static DEVICE_ATTR(bios_build, S_IRUGO, asd_show_dev_bios_build, NULL); | |
304 | ||
305 | static 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 | } | |
311 | static DEVICE_ATTR(pcba_sn, S_IRUGO, asd_show_dev_pcba_sn, NULL); | |
312 | ||
313 | static void asd_create_dev_attrs(struct asd_ha_struct *asd_ha) | |
314 | { | |
315 | device_create_file(&asd_ha->pcidev->dev, &dev_attr_revision); | |
316 | device_create_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); | |
317 | device_create_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); | |
318 | } | |
319 | ||
320 | static void asd_remove_dev_attrs(struct asd_ha_struct *asd_ha) | |
321 | { | |
322 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_revision); | |
323 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_bios_build); | |
324 | device_remove_file(&asd_ha->pcidev->dev, &dev_attr_pcba_sn); | |
325 | } | |
326 | ||
327 | /* The first entry, 0, is used for dynamic ids, the rest for devices | |
328 | * we know about. | |
329 | */ | |
330 | static struct asd_pcidev_struct { | |
331 | const char * name; | |
332 | int (*setup)(struct asd_ha_struct *asd_ha); | |
333 | } asd_pcidev_data[] = { | |
334 | /* Id 0 is used for dynamic ids. */ | |
335 | { .name = "Adaptec AIC-94xx SAS/SATA Host Adapter", | |
336 | .setup = asd_aic9410_setup | |
337 | }, | |
338 | { .name = "Adaptec AIC-9410W SAS/SATA Host Adapter", | |
339 | .setup = asd_aic9410_setup | |
340 | }, | |
341 | { .name = "Adaptec AIC-9405W SAS/SATA Host Adapter", | |
342 | .setup = asd_aic9405_setup | |
343 | }, | |
344 | }; | |
345 | ||
346 | static inline int asd_create_ha_caches(struct asd_ha_struct *asd_ha) | |
347 | { | |
348 | asd_ha->scb_pool = dma_pool_create(ASD_DRIVER_NAME "_scb_pool", | |
349 | &asd_ha->pcidev->dev, | |
350 | sizeof(struct scb), | |
351 | 8, 0); | |
352 | if (!asd_ha->scb_pool) { | |
353 | asd_printk("couldn't create scb pool\n"); | |
354 | return -ENOMEM; | |
355 | } | |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
360 | /** | |
361 | * asd_free_edbs -- free empty data buffers | |
362 | * asd_ha: pointer to host adapter structure | |
363 | */ | |
364 | static inline void asd_free_edbs(struct asd_ha_struct *asd_ha) | |
365 | { | |
366 | struct asd_seq_data *seq = &asd_ha->seq; | |
367 | int i; | |
368 | ||
369 | for (i = 0; i < seq->num_edbs; i++) | |
370 | asd_free_coherent(asd_ha, seq->edb_arr[i]); | |
371 | kfree(seq->edb_arr); | |
372 | seq->edb_arr = NULL; | |
373 | } | |
374 | ||
375 | static inline void asd_free_escbs(struct asd_ha_struct *asd_ha) | |
376 | { | |
377 | struct asd_seq_data *seq = &asd_ha->seq; | |
378 | int i; | |
379 | ||
380 | for (i = 0; i < seq->num_escbs; i++) { | |
381 | if (!list_empty(&seq->escb_arr[i]->list)) | |
382 | list_del_init(&seq->escb_arr[i]->list); | |
383 | ||
384 | asd_ascb_free(seq->escb_arr[i]); | |
385 | } | |
386 | kfree(seq->escb_arr); | |
387 | seq->escb_arr = NULL; | |
388 | } | |
389 | ||
390 | static inline void asd_destroy_ha_caches(struct asd_ha_struct *asd_ha) | |
391 | { | |
392 | int i; | |
393 | ||
394 | if (asd_ha->hw_prof.ddb_ext) | |
395 | asd_free_coherent(asd_ha, asd_ha->hw_prof.ddb_ext); | |
396 | if (asd_ha->hw_prof.scb_ext) | |
397 | asd_free_coherent(asd_ha, asd_ha->hw_prof.scb_ext); | |
398 | ||
399 | if (asd_ha->hw_prof.ddb_bitmap) | |
400 | kfree(asd_ha->hw_prof.ddb_bitmap); | |
401 | asd_ha->hw_prof.ddb_bitmap = NULL; | |
402 | ||
403 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
404 | struct asd_phy *phy = &asd_ha->phys[i]; | |
405 | ||
406 | asd_free_coherent(asd_ha, phy->id_frm_tok); | |
407 | } | |
408 | if (asd_ha->seq.escb_arr) | |
409 | asd_free_escbs(asd_ha); | |
410 | if (asd_ha->seq.edb_arr) | |
411 | asd_free_edbs(asd_ha); | |
412 | if (asd_ha->hw_prof.ue.area) { | |
413 | kfree(asd_ha->hw_prof.ue.area); | |
414 | asd_ha->hw_prof.ue.area = NULL; | |
415 | } | |
416 | if (asd_ha->seq.tc_index_array) { | |
417 | kfree(asd_ha->seq.tc_index_array); | |
418 | kfree(asd_ha->seq.tc_index_bitmap); | |
419 | asd_ha->seq.tc_index_array = NULL; | |
420 | asd_ha->seq.tc_index_bitmap = NULL; | |
421 | } | |
422 | if (asd_ha->seq.actual_dl) { | |
423 | asd_free_coherent(asd_ha, asd_ha->seq.actual_dl); | |
424 | asd_ha->seq.actual_dl = NULL; | |
425 | asd_ha->seq.dl = NULL; | |
426 | } | |
427 | if (asd_ha->seq.next_scb.vaddr) { | |
428 | dma_pool_free(asd_ha->scb_pool, asd_ha->seq.next_scb.vaddr, | |
429 | asd_ha->seq.next_scb.dma_handle); | |
430 | asd_ha->seq.next_scb.vaddr = NULL; | |
431 | } | |
432 | dma_pool_destroy(asd_ha->scb_pool); | |
433 | asd_ha->scb_pool = NULL; | |
434 | } | |
435 | ||
436 | kmem_cache_t *asd_dma_token_cache; | |
437 | kmem_cache_t *asd_ascb_cache; | |
438 | ||
439 | static int asd_create_global_caches(void) | |
440 | { | |
441 | if (!asd_dma_token_cache) { | |
442 | asd_dma_token_cache | |
443 | = kmem_cache_create(ASD_DRIVER_NAME "_dma_token", | |
444 | sizeof(struct asd_dma_tok), | |
445 | 0, | |
446 | SLAB_HWCACHE_ALIGN, | |
447 | NULL, NULL); | |
448 | if (!asd_dma_token_cache) { | |
449 | asd_printk("couldn't create dma token cache\n"); | |
450 | return -ENOMEM; | |
451 | } | |
452 | } | |
453 | ||
454 | if (!asd_ascb_cache) { | |
455 | asd_ascb_cache = kmem_cache_create(ASD_DRIVER_NAME "_ascb", | |
456 | sizeof(struct asd_ascb), | |
457 | 0, | |
458 | SLAB_HWCACHE_ALIGN, | |
459 | NULL, NULL); | |
460 | if (!asd_ascb_cache) { | |
461 | asd_printk("couldn't create ascb cache\n"); | |
462 | goto Err; | |
463 | } | |
464 | } | |
465 | ||
466 | return 0; | |
467 | Err: | |
468 | kmem_cache_destroy(asd_dma_token_cache); | |
469 | asd_dma_token_cache = NULL; | |
470 | return -ENOMEM; | |
471 | } | |
472 | ||
473 | static void asd_destroy_global_caches(void) | |
474 | { | |
475 | if (asd_dma_token_cache) | |
476 | kmem_cache_destroy(asd_dma_token_cache); | |
477 | asd_dma_token_cache = NULL; | |
478 | ||
479 | if (asd_ascb_cache) | |
480 | kmem_cache_destroy(asd_ascb_cache); | |
481 | asd_ascb_cache = NULL; | |
482 | } | |
483 | ||
484 | static int asd_register_sas_ha(struct asd_ha_struct *asd_ha) | |
485 | { | |
486 | int i; | |
487 | struct asd_sas_phy **sas_phys = | |
488 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_phy), GFP_KERNEL); | |
489 | struct asd_sas_port **sas_ports = | |
490 | kmalloc(ASD_MAX_PHYS * sizeof(struct asd_sas_port), GFP_KERNEL); | |
491 | ||
492 | if (!sas_phys || !sas_ports) { | |
493 | kfree(sas_phys); | |
494 | kfree(sas_ports); | |
495 | return -ENOMEM; | |
496 | } | |
497 | ||
498 | asd_ha->sas_ha.sas_ha_name = (char *) asd_ha->name; | |
499 | asd_ha->sas_ha.lldd_module = THIS_MODULE; | |
500 | asd_ha->sas_ha.sas_addr = &asd_ha->hw_prof.sas_addr[0]; | |
501 | ||
502 | for (i = 0; i < ASD_MAX_PHYS; i++) { | |
503 | sas_phys[i] = &asd_ha->phys[i].sas_phy; | |
504 | sas_ports[i] = &asd_ha->ports[i]; | |
505 | } | |
506 | ||
507 | asd_ha->sas_ha.sas_phy = sas_phys; | |
508 | asd_ha->sas_ha.sas_port= sas_ports; | |
509 | asd_ha->sas_ha.num_phys= ASD_MAX_PHYS; | |
510 | ||
511 | asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue; | |
512 | ||
513 | return sas_register_ha(&asd_ha->sas_ha); | |
514 | } | |
515 | ||
516 | static int asd_unregister_sas_ha(struct asd_ha_struct *asd_ha) | |
517 | { | |
518 | int err; | |
519 | ||
520 | err = sas_unregister_ha(&asd_ha->sas_ha); | |
521 | ||
522 | sas_remove_host(asd_ha->sas_ha.core.shost); | |
523 | scsi_remove_host(asd_ha->sas_ha.core.shost); | |
524 | scsi_host_put(asd_ha->sas_ha.core.shost); | |
525 | ||
526 | kfree(asd_ha->sas_ha.sas_phy); | |
527 | kfree(asd_ha->sas_ha.sas_port); | |
528 | ||
529 | return err; | |
530 | } | |
531 | ||
532 | static int __devinit asd_pci_probe(struct pci_dev *dev, | |
533 | const struct pci_device_id *id) | |
534 | { | |
535 | struct asd_pcidev_struct *asd_dev; | |
536 | unsigned asd_id = (unsigned) id->driver_data; | |
537 | struct asd_ha_struct *asd_ha; | |
538 | struct Scsi_Host *shost; | |
539 | int err; | |
540 | ||
541 | if (asd_id >= ARRAY_SIZE(asd_pcidev_data)) { | |
542 | asd_printk("wrong driver_data in PCI table\n"); | |
543 | return -ENODEV; | |
544 | } | |
545 | ||
546 | if ((err = pci_enable_device(dev))) { | |
547 | asd_printk("couldn't enable device %s\n", pci_name(dev)); | |
548 | return err; | |
549 | } | |
550 | ||
551 | pci_set_master(dev); | |
552 | ||
553 | err = -ENOMEM; | |
554 | ||
555 | shost = scsi_host_alloc(&aic94xx_sht, sizeof(void *)); | |
556 | if (!shost) | |
557 | goto Err; | |
558 | ||
559 | asd_dev = &asd_pcidev_data[asd_id]; | |
560 | ||
561 | asd_ha = kzalloc(sizeof(*asd_ha), GFP_KERNEL); | |
562 | if (!asd_ha) { | |
563 | asd_printk("out of memory\n"); | |
564 | goto Err; | |
565 | } | |
566 | asd_ha->pcidev = dev; | |
567 | asd_ha->sas_ha.pcidev = asd_ha->pcidev; | |
568 | asd_ha->sas_ha.lldd_ha = asd_ha; | |
569 | ||
570 | asd_ha->name = asd_dev->name; | |
571 | asd_printk("found %s, device %s\n", asd_ha->name, pci_name(dev)); | |
572 | ||
573 | SHOST_TO_SAS_HA(shost) = &asd_ha->sas_ha; | |
574 | asd_ha->sas_ha.core.shost = shost; | |
575 | shost->transportt = aic94xx_transport_template; | |
576 | shost->max_id = ~0; | |
577 | shost->max_lun = ~0; | |
578 | shost->max_cmd_len = 16; | |
579 | ||
580 | err = scsi_add_host(shost, &dev->dev); | |
581 | if (err) { | |
582 | scsi_host_put(shost); | |
583 | goto Err_free; | |
584 | } | |
585 | ||
586 | ||
587 | ||
588 | err = asd_dev->setup(asd_ha); | |
589 | if (err) | |
590 | goto Err_free; | |
591 | ||
592 | err = -ENODEV; | |
593 | if (!pci_set_dma_mask(dev, DMA_64BIT_MASK) | |
594 | && !pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK)) | |
595 | ; | |
596 | else if (!pci_set_dma_mask(dev, DMA_32BIT_MASK) | |
597 | && !pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) | |
598 | ; | |
599 | else { | |
600 | asd_printk("no suitable DMA mask for %s\n", pci_name(dev)); | |
601 | goto Err_free; | |
602 | } | |
603 | ||
604 | pci_set_drvdata(dev, asd_ha); | |
605 | ||
606 | err = asd_map_ha(asd_ha); | |
607 | if (err) | |
608 | goto Err_free; | |
609 | ||
610 | err = asd_create_ha_caches(asd_ha); | |
611 | if (err) | |
612 | goto Err_unmap; | |
613 | ||
614 | err = asd_init_hw(asd_ha); | |
615 | if (err) | |
616 | goto Err_free_cache; | |
617 | ||
618 | asd_printk("device %s: SAS addr %llx, PCBA SN %s, %d phys, %d enabled " | |
619 | "phys, flash %s, BIOS %s%d\n", | |
620 | pci_name(dev), SAS_ADDR(asd_ha->hw_prof.sas_addr), | |
621 | asd_ha->hw_prof.pcba_sn, asd_ha->hw_prof.max_phys, | |
622 | asd_ha->hw_prof.num_phys, | |
623 | asd_ha->hw_prof.flash.present ? "present" : "not present", | |
624 | asd_ha->hw_prof.bios.present ? "build " : "not present", | |
625 | asd_ha->hw_prof.bios.bld); | |
626 | ||
f19eaa7f DW |
627 | shost->can_queue = asd_ha->seq.can_queue; |
628 | ||
2908d778 JB |
629 | if (use_msi) |
630 | pci_enable_msi(asd_ha->pcidev); | |
631 | ||
632 | err = request_irq(asd_ha->pcidev->irq, asd_hw_isr, SA_SHIRQ, | |
633 | ASD_DRIVER_NAME, asd_ha); | |
634 | if (err) { | |
635 | asd_printk("couldn't get irq %d for %s\n", | |
636 | asd_ha->pcidev->irq, pci_name(asd_ha->pcidev)); | |
637 | goto Err_irq; | |
638 | } | |
639 | asd_enable_ints(asd_ha); | |
640 | ||
641 | err = asd_init_post_escbs(asd_ha); | |
642 | if (err) { | |
643 | asd_printk("couldn't post escbs for %s\n", | |
644 | pci_name(asd_ha->pcidev)); | |
645 | goto Err_escbs; | |
646 | } | |
647 | ASD_DPRINTK("escbs posted\n"); | |
648 | ||
649 | asd_create_dev_attrs(asd_ha); | |
650 | ||
651 | err = asd_register_sas_ha(asd_ha); | |
652 | if (err) | |
653 | goto Err_reg_sas; | |
654 | ||
655 | err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys); | |
656 | if (err) { | |
657 | asd_printk("coudln't enable phys, err:%d\n", err); | |
658 | goto Err_en_phys; | |
659 | } | |
660 | ASD_DPRINTK("enabled phys\n"); | |
661 | /* give the phy enabling interrupt event time to come in (1s | |
662 | * is empirically about all it takes) */ | |
663 | ssleep(1); | |
664 | /* Wait for discovery to finish */ | |
665 | scsi_flush_work(asd_ha->sas_ha.core.shost); | |
666 | ||
667 | return 0; | |
668 | Err_en_phys: | |
669 | asd_unregister_sas_ha(asd_ha); | |
670 | Err_reg_sas: | |
671 | asd_remove_dev_attrs(asd_ha); | |
672 | Err_escbs: | |
673 | asd_disable_ints(asd_ha); | |
674 | free_irq(dev->irq, asd_ha); | |
675 | Err_irq: | |
676 | if (use_msi) | |
677 | pci_disable_msi(dev); | |
678 | asd_chip_hardrst(asd_ha); | |
679 | Err_free_cache: | |
680 | asd_destroy_ha_caches(asd_ha); | |
681 | Err_unmap: | |
682 | asd_unmap_ha(asd_ha); | |
683 | Err_free: | |
684 | kfree(asd_ha); | |
685 | scsi_remove_host(shost); | |
686 | Err: | |
687 | pci_disable_device(dev); | |
688 | return err; | |
689 | } | |
690 | ||
691 | static void asd_free_queues(struct asd_ha_struct *asd_ha) | |
692 | { | |
693 | unsigned long flags; | |
694 | LIST_HEAD(pending); | |
695 | struct list_head *n, *pos; | |
696 | ||
697 | spin_lock_irqsave(&asd_ha->seq.pend_q_lock, flags); | |
698 | asd_ha->seq.pending = 0; | |
699 | list_splice_init(&asd_ha->seq.pend_q, &pending); | |
700 | spin_unlock_irqrestore(&asd_ha->seq.pend_q_lock, flags); | |
701 | ||
702 | if (!list_empty(&pending)) | |
703 | ASD_DPRINTK("Uh-oh! Pending is not empty!\n"); | |
704 | ||
705 | list_for_each_safe(pos, n, &pending) { | |
706 | struct asd_ascb *ascb = list_entry(pos, struct asd_ascb, list); | |
707 | list_del_init(pos); | |
708 | ASD_DPRINTK("freeing from pending\n"); | |
709 | asd_ascb_free(ascb); | |
710 | } | |
711 | } | |
712 | ||
713 | static void asd_turn_off_leds(struct asd_ha_struct *asd_ha) | |
714 | { | |
715 | u8 phy_mask = asd_ha->hw_prof.enabled_phys; | |
716 | u8 i; | |
717 | ||
718 | for_each_phy(phy_mask, phy_mask, i) { | |
719 | asd_turn_led(asd_ha, i, 0); | |
720 | asd_control_led(asd_ha, i, 0); | |
721 | } | |
722 | } | |
723 | ||
724 | static void __devexit asd_pci_remove(struct pci_dev *dev) | |
725 | { | |
726 | struct asd_ha_struct *asd_ha = pci_get_drvdata(dev); | |
727 | ||
728 | if (!asd_ha) | |
729 | return; | |
730 | ||
731 | asd_unregister_sas_ha(asd_ha); | |
732 | ||
733 | asd_disable_ints(asd_ha); | |
734 | ||
735 | asd_remove_dev_attrs(asd_ha); | |
736 | ||
737 | /* XXX more here as needed */ | |
738 | ||
739 | free_irq(dev->irq, asd_ha); | |
740 | if (use_msi) | |
741 | pci_disable_msi(asd_ha->pcidev); | |
742 | asd_turn_off_leds(asd_ha); | |
743 | asd_chip_hardrst(asd_ha); | |
744 | asd_free_queues(asd_ha); | |
745 | asd_destroy_ha_caches(asd_ha); | |
746 | asd_unmap_ha(asd_ha); | |
747 | kfree(asd_ha); | |
748 | pci_disable_device(dev); | |
749 | return; | |
750 | } | |
751 | ||
752 | static ssize_t asd_version_show(struct device_driver *driver, char *buf) | |
753 | { | |
754 | return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION); | |
755 | } | |
756 | static DRIVER_ATTR(version, S_IRUGO, asd_version_show, NULL); | |
757 | ||
758 | static void asd_create_driver_attrs(struct device_driver *driver) | |
759 | { | |
760 | driver_create_file(driver, &driver_attr_version); | |
761 | } | |
762 | ||
763 | static void asd_remove_driver_attrs(struct device_driver *driver) | |
764 | { | |
765 | driver_remove_file(driver, &driver_attr_version); | |
766 | } | |
767 | ||
768 | static struct sas_domain_function_template aic94xx_transport_functions = { | |
769 | .lldd_port_formed = asd_update_port_links, | |
770 | ||
771 | .lldd_dev_found = asd_dev_found, | |
772 | .lldd_dev_gone = asd_dev_gone, | |
773 | ||
774 | .lldd_execute_task = asd_execute_task, | |
775 | ||
776 | .lldd_abort_task = asd_abort_task, | |
777 | .lldd_abort_task_set = asd_abort_task_set, | |
778 | .lldd_clear_aca = asd_clear_aca, | |
779 | .lldd_clear_task_set = asd_clear_task_set, | |
780 | .lldd_I_T_nexus_reset = NULL, | |
781 | .lldd_lu_reset = asd_lu_reset, | |
782 | .lldd_query_task = asd_query_task, | |
783 | ||
784 | .lldd_clear_nexus_port = asd_clear_nexus_port, | |
785 | .lldd_clear_nexus_ha = asd_clear_nexus_ha, | |
786 | ||
787 | .lldd_control_phy = asd_control_phy, | |
788 | }; | |
789 | ||
790 | static const struct pci_device_id aic94xx_pci_table[] __devinitdata = { | |
791 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR10), | |
792 | 0, 0, 1}, | |
793 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR12), | |
794 | 0, 0, 1}, | |
795 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR1E), | |
796 | 0, 0, 1}, | |
797 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR30), | |
798 | 0, 0, 2}, | |
799 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR32), | |
800 | 0, 0, 2}, | |
801 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3E), | |
802 | 0, 0, 2}, | |
803 | {PCI_DEVICE(PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_RAZOR3F), | |
804 | 0, 0, 2}, | |
805 | {} | |
806 | }; | |
807 | ||
808 | MODULE_DEVICE_TABLE(pci, aic94xx_pci_table); | |
809 | ||
810 | static struct pci_driver aic94xx_pci_driver = { | |
811 | .name = ASD_DRIVER_NAME, | |
812 | .id_table = aic94xx_pci_table, | |
813 | .probe = asd_pci_probe, | |
814 | .remove = __devexit_p(asd_pci_remove), | |
815 | }; | |
816 | ||
817 | static int __init aic94xx_init(void) | |
818 | { | |
819 | int err; | |
820 | ||
821 | ||
822 | asd_printk("%s version %s loaded\n", ASD_DRIVER_DESCRIPTION, | |
823 | ASD_DRIVER_VERSION); | |
824 | ||
825 | err = asd_create_global_caches(); | |
826 | if (err) | |
827 | return err; | |
828 | ||
829 | aic94xx_transport_template = | |
830 | sas_domain_attach_transport(&aic94xx_transport_functions); | |
10d19ae5 | 831 | if (!aic94xx_transport_template) |
2908d778 JB |
832 | goto out_destroy_caches; |
833 | ||
834 | err = pci_register_driver(&aic94xx_pci_driver); | |
835 | if (err) | |
836 | goto out_release_transport; | |
837 | ||
838 | asd_create_driver_attrs(&aic94xx_pci_driver.driver); | |
839 | ||
840 | return err; | |
841 | ||
842 | out_release_transport: | |
843 | sas_release_transport(aic94xx_transport_template); | |
844 | out_destroy_caches: | |
845 | asd_destroy_global_caches(); | |
846 | ||
847 | return err; | |
848 | } | |
849 | ||
850 | static void __exit aic94xx_exit(void) | |
851 | { | |
852 | asd_remove_driver_attrs(&aic94xx_pci_driver.driver); | |
853 | pci_unregister_driver(&aic94xx_pci_driver); | |
854 | sas_release_transport(aic94xx_transport_template); | |
855 | asd_destroy_global_caches(); | |
856 | asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION, | |
857 | ASD_DRIVER_VERSION); | |
858 | } | |
859 | ||
860 | module_init(aic94xx_init); | |
861 | module_exit(aic94xx_exit); | |
862 | ||
863 | MODULE_AUTHOR("Luben Tuikov <luben_tuikov@adaptec.com>"); | |
864 | MODULE_DESCRIPTION(ASD_DRIVER_DESCRIPTION); | |
865 | MODULE_LICENSE("GPL v2"); | |
866 | MODULE_VERSION(ASD_DRIVER_VERSION); |