1
2
3#include <linux/blkdev.h>
4#include <linux/init.h>
5#include <linux/kernel.h>
6#include <linux/module.h>
7#include <linux/moduleparam.h>
8#include <linux/proc_fs.h>
9#include <linux/seq_file.h>
10#include <linux/slab.h>
11
12#include <scsi/scsi_device.h>
13#include <scsi/scsi_devinfo.h>
14
15#include "scsi_priv.h"
16
17
18
19
20
21struct scsi_dev_info_list {
22 struct list_head dev_info_list;
23 char vendor[8];
24 char model[16];
25 blist_flags_t flags;
26 unsigned compatible;
27};
28
29struct scsi_dev_info_list_table {
30 struct list_head node;
31 struct list_head scsi_dev_info_list;
32 const char *name;
33 int key;
34};
35
36
37static blist_flags_t scsi_default_dev_flags;
38static LIST_HEAD(scsi_dev_info_list);
39static char scsi_dev_flags[256];
40
41
42
43
44
45
46
47
48
49
50static struct {
51 char *vendor;
52 char *model;
53 char *revision;
54 blist_flags_t flags;
55} scsi_static_device_list[] __initdata = {
56
57
58
59
60
61 {"Aashima", "IMAGERY 2400SP", "1.03", BLIST_NOLUN},
62 {"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN},
63 {"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN},
64 {"DENON", "DRD-25X", "V", BLIST_NOLUN},
65 {"HITACHI", "DK312C", "CM81", BLIST_NOLUN},
66 {"HITACHI", "DK314C", "CR21", BLIST_NOLUN},
67 {"IBM", "2104-DU3", NULL, BLIST_NOLUN},
68 {"IBM", "2104-TU3", NULL, BLIST_NOLUN},
69 {"IMS", "CDD521/10", "2.06", BLIST_NOLUN},
70 {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},
71 {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},
72 {"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN},
73 {"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN},
74 {"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN},
75 {"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN},
76 {"MICROTEK", "ScanMakerIII", "2.30", BLIST_NOLUN},
77 {"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},
78 {"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN},
79 {"RODIME", "RO3000S", "2.33", BLIST_NOLUN},
80 {"SUN", "SENA", NULL, BLIST_NOLUN},
81
82
83
84
85 {"SANYO", "CRD-250S", "1.20", BLIST_NOLUN},
86
87
88
89
90 {"SEAGATE", "ST157N", "\004|j", BLIST_NOLUN},
91 {"SEAGATE", "ST296", "921", BLIST_NOLUN},
92 {"SEAGATE", "ST1581", "6538", BLIST_NOLUN},
93 {"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN},
94 {"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN},
95 {"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN},
96 {"SONY", "CD-ROM CDU-8012", NULL, BLIST_NOLUN},
97 {"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN},
98 {"TANDBERG", "TDC 3600", "U07", BLIST_NOLUN},
99 {"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN},
100
101
102
103
104 {"TEAC", "CD-ROM", "1.06", BLIST_NOLUN},
105 {"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN},
106
107
108
109
110 {"HP", "C1750A", "3226", BLIST_NOLUN},
111 {"HP", "C1790A", NULL, BLIST_NOLUN},
112 {"HP", "C2500A", NULL, BLIST_NOLUN},
113 {"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN},
114 {"MICROTEK", "ScanMaker II", "5.61", BLIST_NOLUN},
115 {"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN},
116 {"NEC", "D3856", "0009", BLIST_NOLUN},
117 {"QUANTUM", "LPS525S", "3110", BLIST_NOLUN},
118 {"QUANTUM", "PD1225S", "3110", BLIST_NOLUN},
119 {"QUANTUM", "FIREBALL ST4.3S", "0F0C", BLIST_NOLUN},
120 {"RELISYS", "Scorpio", NULL, BLIST_NOLUN},
121 {"SANKYO", "CP525", "6.64", BLIST_NOLUN},
122 {"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN | BLIST_BORKEN},
123 {"transtec", "T5008", "0001", BLIST_NOREPORTLUN },
124 {"YAMAHA", "CDR100", "1.00", BLIST_NOLUN},
125 {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN},
126 {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN},
127 {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN},
128 {"", "Scanner", "1.80", BLIST_NOLUN},
129
130
131
132
133
134 {"3PARdata", "VV", NULL, BLIST_REPORTLUN2},
135 {"ADAPTEC", "AACRAID", NULL, BLIST_FORCELUN},
136 {"ADAPTEC", "Adaptec 5400S", NULL, BLIST_FORCELUN},
137 {"AIX", "VDASD", NULL, BLIST_TRY_VPD_PAGES},
138 {"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN},
139 {"BELKIN", "USB 2 HS-CF", "1.95", BLIST_FORCELUN | BLIST_INQUIRY_36},
140 {"BROWNIE", "1200U3P", NULL, BLIST_NOREPORTLUN},
141 {"BROWNIE", "1600U3P", NULL, BLIST_NOREPORTLUN},
142 {"CANON", "IPUBJD", NULL, BLIST_SPARSELUN},
143 {"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36},
144 {"CMD", "CRA-7280", NULL, BLIST_SPARSELUN},
145 {"CNSI", "G7324", NULL, BLIST_SPARSELUN},
146 {"CNSi", "G8324", NULL, BLIST_SPARSELUN},
147 {"COMPAQ", "ARRAY CONTROLLER", NULL, BLIST_SPARSELUN | BLIST_LARGELUN |
148 BLIST_MAX_512 | BLIST_REPORTLUN2},
149 {"COMPAQ", "LOGICAL VOLUME", NULL, BLIST_FORCELUN | BLIST_MAX_512},
150 {"COMPAQ", "CR3500", NULL, BLIST_FORCELUN},
151 {"COMPAQ", "MSA1000", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
152 {"COMPAQ", "MSA1000 VOLUME", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
153 {"COMPAQ", "HSV110", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
154 {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN},
155 {"DEC", "HSG80", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
156 {"DELL", "PV660F", NULL, BLIST_SPARSELUN},
157 {"DELL", "PV660F PSEUDO", NULL, BLIST_SPARSELUN},
158 {"DELL", "PSEUDO DEVICE .", NULL, BLIST_SPARSELUN},
159 {"DELL", "PV530F", NULL, BLIST_SPARSELUN},
160 {"DELL", "PERCRAID", NULL, BLIST_FORCELUN},
161 {"DGC", "RAID", NULL, BLIST_SPARSELUN},
162 {"DGC", "DISK", NULL, BLIST_SPARSELUN},
163 {"EMC", "Invista", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
164 {"EMC", "SYMMETRIX", NULL, BLIST_SPARSELUN | BLIST_LARGELUN | BLIST_REPORTLUN2},
165 {"EMULEX", "MD21/S2 ESDI", NULL, BLIST_SINGLELUN},
166 {"easyRAID", "16P", NULL, BLIST_NOREPORTLUN},
167 {"easyRAID", "X6P", NULL, BLIST_NOREPORTLUN},
168 {"easyRAID", "F8", NULL, BLIST_NOREPORTLUN},
169 {"FSC", "CentricStor", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
170 {"Generic", "USB SD Reader", "1.00", BLIST_FORCELUN | BLIST_INQUIRY_36},
171 {"Generic", "USB Storage-SMC", "0180", BLIST_FORCELUN | BLIST_INQUIRY_36},
172 {"Generic", "USB Storage-SMC", "0207", BLIST_FORCELUN | BLIST_INQUIRY_36},
173 {"HITACHI", "DF400", "*", BLIST_REPORTLUN2},
174 {"HITACHI", "DF500", "*", BLIST_REPORTLUN2},
175 {"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
176 {"HITACHI", "HUS1530", "*", BLIST_NO_DIF},
177 {"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
178 {"HITACHI", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
179 {"HITACHI", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
180 {"HITACHI", "3390-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
181 {"HITACHI", "6586-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
182 {"HITACHI", "6588-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
183 {"HP", "A6189A", NULL, BLIST_SPARSELUN | BLIST_LARGELUN},
184 {"HP", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
185 {"HP", "NetRAID-4M", NULL, BLIST_FORCELUN},
186 {"HP", "HSV100", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
187 {"HP", "C1557A", NULL, BLIST_FORCELUN},
188 {"HP", "C3323-300", "4269", BLIST_NOTQ},
189 {"HP", "C5713A", NULL, BLIST_NOREPORTLUN},
190 {"HP", "DF400", "*", BLIST_REPORTLUN2},
191 {"HP", "DF500", "*", BLIST_REPORTLUN2},
192 {"HP", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
193 {"HP", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
194 {"HP", "3390-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
195 {"HP", "6586-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
196 {"HP", "6588-", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
197 {"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN},
198 {"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
199 {"IBM", "2105", NULL, BLIST_RETRY_HWERROR},
200 {"iomega", "jaz 1GB", "J.86", BLIST_NOTQ | BLIST_NOLUN},
201 {"IOMEGA", "ZIP", NULL, BLIST_NOTQ | BLIST_NOLUN},
202 {"IOMEGA", "Io20S *F", NULL, BLIST_KEY},
203 {"INSITE", "Floptical F*8I", NULL, BLIST_KEY},
204 {"INSITE", "I325VM", NULL, BLIST_KEY},
205 {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
206 {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
207 {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
208 {"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES},
209 {"Marvell", "91xx Config", "1.01", BLIST_SKIP_VPD_PAGES},
210 {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
211 {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
212 {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
213 {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN},
214 {"MegaRAID", "LD", NULL, BLIST_FORCELUN},
215 {"MICROP", "4110", NULL, BLIST_NOTQ},
216 {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC},
217 {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2},
218 {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN},
219 {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
220 {"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
221 {"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
222 {"NEC", "iStorage", NULL, BLIST_REPORTLUN2},
223 {"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
224 {"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
225 {"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
226 {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
227 {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
228 {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
229 {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC},
230 {"Promise", "", NULL, BLIST_SPARSELUN},
231 {"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES},
232 {"QNAP", "iSCSI Storage", NULL, BLIST_MAX_1024},
233 {"SYNOLOGY", "iSCSI Storage", NULL, BLIST_MAX_1024},
234 {"QUANTUM", "XP34301", "1071", BLIST_NOTQ},
235 {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN},
236 {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN},
237 {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ},
238 {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ},
239 {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES},
240 {"SGI", "RAID3", "*", BLIST_SPARSELUN},
241 {"SGI", "RAID5", "*", BLIST_SPARSELUN},
242 {"SGI", "TP9100", "*", BLIST_REPORTLUN2},
243 {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
244 {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
245 {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
246 {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
247 {"STK", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
248 {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
249 {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
250 {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
251 {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
252 {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
253 {"SONY", "TSL", NULL, BLIST_FORCELUN},
254 {"ST650211", "CF", NULL, BLIST_RETRY_HWERROR},
255 {"SUN", "T300", "*", BLIST_SPARSELUN},
256 {"SUN", "T4", "*", BLIST_SPARSELUN},
257 {"Tornado-", "F4", "*", BLIST_NOREPORTLUN},
258 {"TOSHIBA", "CDROM", NULL, BLIST_ISROM},
259 {"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM},
260 {"Traxdata", "CDR4120", NULL, BLIST_NOLUN},
261 {"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36},
262 {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN},
263 {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN},
264 {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN},
265 {"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN},
266 {"XYRATEX", "RS", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
267 {"Zzyzx", "RocketStor 500S", NULL, BLIST_SPARSELUN},
268 {"Zzyzx", "RocketStor 2000", NULL, BLIST_SPARSELUN},
269 { NULL, NULL, NULL, 0 },
270};
271
272static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key)
273{
274 struct scsi_dev_info_list_table *devinfo_table;
275 int found = 0;
276
277 list_for_each_entry(devinfo_table, &scsi_dev_info_list, node)
278 if (devinfo_table->key == key) {
279 found = 1;
280 break;
281 }
282 if (!found)
283 return ERR_PTR(-EINVAL);
284
285 return devinfo_table;
286}
287
288
289
290
291
292static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length,
293 char *from, int compatible)
294{
295 size_t from_length;
296
297 from_length = strlen(from);
298
299 strncpy(to, from, to_length);
300 if (from_length < to_length && !compatible) {
301
302
303
304 memset(&to[from_length], ' ', to_length - from_length);
305 }
306 if (from_length > to_length)
307 printk(KERN_WARNING "%s: %s string '%s' is too long\n",
308 __func__, name, from);
309}
310
311
312
313
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321
322
323
324
325
326
327static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,
328 char *strflags, blist_flags_t flags)
329{
330 return scsi_dev_info_list_add_keyed(compatible, vendor, model,
331 strflags, flags,
332 SCSI_DEVINFO_GLOBAL);
333}
334
335
336
337
338
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351
352
353int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,
354 char *strflags, blist_flags_t flags,
355 enum scsi_devinfo_key key)
356{
357 struct scsi_dev_info_list *devinfo;
358 struct scsi_dev_info_list_table *devinfo_table =
359 scsi_devinfo_lookup_by_key(key);
360
361 if (IS_ERR(devinfo_table))
362 return PTR_ERR(devinfo_table);
363
364 devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL);
365 if (!devinfo) {
366 printk(KERN_ERR "%s: no memory\n", __func__);
367 return -ENOMEM;
368 }
369
370 scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor),
371 vendor, compatible);
372 scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model),
373 model, compatible);
374
375 if (strflags)
376 flags = (__force blist_flags_t)simple_strtoul(strflags, NULL, 0);
377 devinfo->flags = flags;
378 devinfo->compatible = compatible;
379
380 if (compatible)
381 list_add_tail(&devinfo->dev_info_list,
382 &devinfo_table->scsi_dev_info_list);
383 else
384 list_add(&devinfo->dev_info_list,
385 &devinfo_table->scsi_dev_info_list);
386
387 return 0;
388}
389EXPORT_SYMBOL(scsi_dev_info_list_add_keyed);
390
391
392
393
394
395
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397
398
399
400
401
402
403static struct scsi_dev_info_list *scsi_dev_info_list_find(const char *vendor,
404 const char *model, enum scsi_devinfo_key key)
405{
406 struct scsi_dev_info_list *devinfo;
407 struct scsi_dev_info_list_table *devinfo_table =
408 scsi_devinfo_lookup_by_key(key);
409 size_t vmax, mmax, mlen;
410 const char *vskip, *mskip;
411
412 if (IS_ERR(devinfo_table))
413 return (struct scsi_dev_info_list *) devinfo_table;
414
415
416
417
418
419
420
421
422
423
424
425 vmax = sizeof(devinfo->vendor);
426 vskip = vendor;
427 while (vmax > 0 && *vskip == ' ') {
428 vmax--;
429 vskip++;
430 }
431
432 while (vmax > 0 && vskip[vmax - 1] == ' ')
433 --vmax;
434
435 mmax = sizeof(devinfo->model);
436 mskip = model;
437 while (mmax > 0 && *mskip == ' ') {
438 mmax--;
439 mskip++;
440 }
441 while (mmax > 0 && mskip[mmax - 1] == ' ')
442 --mmax;
443
444 list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list,
445 dev_info_list) {
446 if (devinfo->compatible) {
447
448
449
450 if (vmax != strnlen(devinfo->vendor,
451 sizeof(devinfo->vendor)) ||
452 memcmp(devinfo->vendor, vskip, vmax))
453 continue;
454
455
456
457
458
459 mlen = strnlen(devinfo->model, sizeof(devinfo->model));
460 if (mmax < mlen || memcmp(devinfo->model, mskip, mlen))
461 continue;
462 return devinfo;
463 } else {
464 if (!memcmp(devinfo->vendor, vendor,
465 sizeof(devinfo->vendor)) &&
466 !memcmp(devinfo->model, model,
467 sizeof(devinfo->model)))
468 return devinfo;
469 }
470 }
471
472 return ERR_PTR(-ENOENT);
473}
474
475
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485
486
487int scsi_dev_info_list_del_keyed(char *vendor, char *model,
488 enum scsi_devinfo_key key)
489{
490 struct scsi_dev_info_list *found;
491
492 found = scsi_dev_info_list_find(vendor, model, key);
493 if (IS_ERR(found))
494 return PTR_ERR(found);
495
496 list_del(&found->dev_info_list);
497 kfree(found);
498 return 0;
499}
500EXPORT_SYMBOL(scsi_dev_info_list_del_keyed);
501
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512
513
514static int scsi_dev_info_list_add_str(char *dev_list)
515{
516 char *vendor, *model, *strflags, *next;
517 char *next_check;
518 int res = 0;
519
520 next = dev_list;
521 if (next && next[0] == '"') {
522
523
524
525 next++;
526 next_check = ",\"";
527 } else {
528 next_check = ",";
529 }
530
531
532
533
534
535 for (vendor = strsep(&next, ":"); vendor && (vendor[0] != '\0')
536 && (res == 0); vendor = strsep(&next, ":")) {
537 strflags = NULL;
538 model = strsep(&next, ":");
539 if (model)
540 strflags = strsep(&next, next_check);
541 if (!model || !strflags) {
542 printk(KERN_ERR "%s: bad dev info string '%s' '%s'"
543 " '%s'\n", __func__, vendor, model,
544 strflags);
545 res = -EINVAL;
546 } else
547 res = scsi_dev_info_list_add(0 , vendor,
548 model, strflags, 0);
549 }
550 return res;
551}
552
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564
565blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,
566 const unsigned char *vendor,
567 const unsigned char *model)
568{
569 return scsi_get_device_flags_keyed(sdev, vendor, model,
570 SCSI_DEVINFO_GLOBAL);
571}
572
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586
587blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,
588 const unsigned char *vendor,
589 const unsigned char *model,
590 enum scsi_devinfo_key key)
591{
592 struct scsi_dev_info_list *devinfo;
593
594 devinfo = scsi_dev_info_list_find(vendor, model, key);
595 if (!IS_ERR(devinfo))
596 return devinfo->flags;
597
598
599 if (key != SCSI_DEVINFO_GLOBAL)
600 return 0;
601
602
603 if (sdev->sdev_bflags)
604 return sdev->sdev_bflags;
605
606 return scsi_default_dev_flags;
607}
608EXPORT_SYMBOL(scsi_get_device_flags_keyed);
609
610#ifdef CONFIG_SCSI_PROC_FS
611struct double_list {
612 struct list_head *top;
613 struct list_head *bottom;
614};
615
616static int devinfo_seq_show(struct seq_file *m, void *v)
617{
618 struct double_list *dl = v;
619 struct scsi_dev_info_list_table *devinfo_table =
620 list_entry(dl->top, struct scsi_dev_info_list_table, node);
621 struct scsi_dev_info_list *devinfo =
622 list_entry(dl->bottom, struct scsi_dev_info_list,
623 dev_info_list);
624
625 if (devinfo_table->scsi_dev_info_list.next == dl->bottom &&
626 devinfo_table->name)
627 seq_printf(m, "[%s]:\n", devinfo_table->name);
628
629 seq_printf(m, "'%.8s' '%.16s' 0x%x\n",
630 devinfo->vendor, devinfo->model, devinfo->flags);
631 return 0;
632}
633
634static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos)
635{
636 struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL);
637 loff_t pos = *ppos;
638
639 if (!dl)
640 return NULL;
641
642 list_for_each(dl->top, &scsi_dev_info_list) {
643 struct scsi_dev_info_list_table *devinfo_table =
644 list_entry(dl->top, struct scsi_dev_info_list_table,
645 node);
646 list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list)
647 if (pos-- == 0)
648 return dl;
649 }
650
651 kfree(dl);
652 return NULL;
653}
654
655static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos)
656{
657 struct double_list *dl = v;
658 struct scsi_dev_info_list_table *devinfo_table =
659 list_entry(dl->top, struct scsi_dev_info_list_table, node);
660
661 ++*ppos;
662 dl->bottom = dl->bottom->next;
663 while (&devinfo_table->scsi_dev_info_list == dl->bottom) {
664 dl->top = dl->top->next;
665 if (dl->top == &scsi_dev_info_list) {
666 kfree(dl);
667 return NULL;
668 }
669 devinfo_table = list_entry(dl->top,
670 struct scsi_dev_info_list_table,
671 node);
672 dl->bottom = devinfo_table->scsi_dev_info_list.next;
673 }
674
675 return dl;
676}
677
678static void devinfo_seq_stop(struct seq_file *m, void *v)
679{
680 kfree(v);
681}
682
683static const struct seq_operations scsi_devinfo_seq_ops = {
684 .start = devinfo_seq_start,
685 .next = devinfo_seq_next,
686 .stop = devinfo_seq_stop,
687 .show = devinfo_seq_show,
688};
689
690static int proc_scsi_devinfo_open(struct inode *inode, struct file *file)
691{
692 return seq_open(file, &scsi_devinfo_seq_ops);
693}
694
695
696
697
698
699
700
701
702static ssize_t proc_scsi_devinfo_write(struct file *file,
703 const char __user *buf,
704 size_t length, loff_t *ppos)
705{
706 char *buffer;
707 ssize_t err = length;
708
709 if (!buf || length>PAGE_SIZE)
710 return -EINVAL;
711 if (!(buffer = (char *) __get_free_page(GFP_KERNEL)))
712 return -ENOMEM;
713 if (copy_from_user(buffer, buf, length)) {
714 err =-EFAULT;
715 goto out;
716 }
717
718 if (length < PAGE_SIZE)
719 buffer[length] = '\0';
720 else if (buffer[PAGE_SIZE-1]) {
721 err = -EINVAL;
722 goto out;
723 }
724
725 scsi_dev_info_list_add_str(buffer);
726
727out:
728 free_page((unsigned long)buffer);
729 return err;
730}
731
732static const struct file_operations scsi_devinfo_proc_fops = {
733 .owner = THIS_MODULE,
734 .open = proc_scsi_devinfo_open,
735 .read = seq_read,
736 .write = proc_scsi_devinfo_write,
737 .llseek = seq_lseek,
738 .release = seq_release,
739};
740#endif
741
742module_param_string(dev_flags, scsi_dev_flags, sizeof(scsi_dev_flags), 0);
743MODULE_PARM_DESC(dev_flags,
744 "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white"
745 " list entries for vendor and model with an integer value of flags"
746 " to the scsi device info list");
747
748module_param_named(default_dev_flags, scsi_default_dev_flags, int, S_IRUGO|S_IWUSR);
749MODULE_PARM_DESC(default_dev_flags,
750 "scsi default device flag integer value");
751
752
753
754
755void scsi_exit_devinfo(void)
756{
757#ifdef CONFIG_SCSI_PROC_FS
758 remove_proc_entry("scsi/device_info", NULL);
759#endif
760
761 scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL);
762}
763
764
765
766
767
768
769
770
771
772int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name)
773{
774 struct scsi_dev_info_list_table *devinfo_table =
775 scsi_devinfo_lookup_by_key(key);
776
777 if (!IS_ERR(devinfo_table))
778
779 return -EEXIST;
780
781 devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL);
782
783 if (!devinfo_table)
784 return -ENOMEM;
785
786 INIT_LIST_HEAD(&devinfo_table->node);
787 INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list);
788 devinfo_table->name = name;
789 devinfo_table->key = key;
790 list_add_tail(&devinfo_table->node, &scsi_dev_info_list);
791
792 return 0;
793}
794EXPORT_SYMBOL(scsi_dev_info_add_list);
795
796
797
798
799
800
801
802
803
804int scsi_dev_info_remove_list(enum scsi_devinfo_key key)
805{
806 struct list_head *lh, *lh_next;
807 struct scsi_dev_info_list_table *devinfo_table =
808 scsi_devinfo_lookup_by_key(key);
809
810 if (IS_ERR(devinfo_table))
811
812 return -EINVAL;
813
814
815 list_del(&devinfo_table->node);
816
817 list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) {
818 struct scsi_dev_info_list *devinfo;
819
820 devinfo = list_entry(lh, struct scsi_dev_info_list,
821 dev_info_list);
822 kfree(devinfo);
823 }
824 kfree(devinfo_table);
825
826 return 0;
827}
828EXPORT_SYMBOL(scsi_dev_info_remove_list);
829
830
831
832
833
834
835
836
837int __init scsi_init_devinfo(void)
838{
839#ifdef CONFIG_SCSI_PROC_FS
840 struct proc_dir_entry *p;
841#endif
842 int error, i;
843
844 error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL);
845 if (error)
846 return error;
847
848 error = scsi_dev_info_list_add_str(scsi_dev_flags);
849 if (error)
850 goto out;
851
852 for (i = 0; scsi_static_device_list[i].vendor; i++) {
853 error = scsi_dev_info_list_add(1 ,
854 scsi_static_device_list[i].vendor,
855 scsi_static_device_list[i].model,
856 NULL,
857 scsi_static_device_list[i].flags);
858 if (error)
859 goto out;
860 }
861
862#ifdef CONFIG_SCSI_PROC_FS
863 p = proc_create("scsi/device_info", 0, NULL, &scsi_devinfo_proc_fops);
864 if (!p) {
865 error = -ENOMEM;
866 goto out;
867 }
868#endif
869
870 out:
871 if (error)
872 scsi_exit_devinfo();
873 return error;
874}
875