]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - drivers/scsi/scsi_devinfo.c
2 #include <linux/blkdev.h>
3 #include <linux/init.h>
4 #include <linux/kernel.h>
5 #include <linux/module.h>
6 #include <linux/moduleparam.h>
7 #include <linux/proc_fs.h>
8 #include <linux/seq_file.h>
10 #include <scsi/scsi_device.h>
11 #include <scsi/scsi_devinfo.h>
13 #include "scsi_priv.h"
17 * scsi_dev_info_list: structure to hold black/white listed devices.
19 struct scsi_dev_info_list
{
20 struct list_head dev_info_list
;
24 unsigned compatible
; /* for use with scsi_static_device_list entries */
28 static const char spaces
[] = " "; /* 16 of them */
29 static unsigned scsi_default_dev_flags
;
30 static LIST_HEAD(scsi_dev_info_list
);
31 static char scsi_dev_flags
[256];
34 * scsi_static_device_list: deprecated list of devices that require
35 * settings that differ from the default, includes black-listed (broken)
36 * devices. The entries here are added to the tail of scsi_dev_info_list
37 * via scsi_dev_info_list_init.
39 * Do not add to this list, use the command line or proc interface to add
40 * to the scsi_dev_info_list. This table will eventually go away.
45 char *revision
; /* revision known to be bad, unused */
47 } scsi_static_device_list
[] __initdata
= {
49 * The following devices are known not to tolerate a lun != 0 scan
50 * for one reason or another. Some will respond to all luns,
51 * others will lock up.
53 {"Aashima", "IMAGERY 2400SP", "1.03", BLIST_NOLUN
}, /* locks up */
54 {"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN
}, /* locks up */
55 {"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN
}, /* locks up */
56 {"DENON", "DRD-25X", "V", BLIST_NOLUN
}, /* locks up */
57 {"HITACHI", "DK312C", "CM81", BLIST_NOLUN
}, /* responds to all lun */
58 {"HITACHI", "DK314C", "CR21", BLIST_NOLUN
}, /* responds to all lun */
59 {"IBM", "2104-DU3", NULL
, BLIST_NOLUN
}, /* locks up */
60 {"IBM", "2104-TU3", NULL
, BLIST_NOLUN
}, /* locks up */
61 {"IMS", "CDD521/10", "2.06", BLIST_NOLUN
}, /* locks up */
62 {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN
}, /* locks up */
63 {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN
}, /* locks up */
64 {"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN
}, /* locks up */
65 {"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN
}, /* locks up */
66 {"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN
}, /* locks up */
67 {"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN
}, /* responds to all lun */
68 {"MICROTEK", "ScanMakerIII", "2.30", BLIST_NOLUN
}, /* responds to all lun */
69 {"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN
},/* locks up */
70 {"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN
}, /* responds to all lun */
71 {"RODIME", "RO3000S", "2.33", BLIST_NOLUN
}, /* locks up */
72 {"SUN", "SENA", NULL
, BLIST_NOLUN
}, /* responds to all luns */
74 * The following causes a failed REQUEST SENSE on lun 1 for
75 * aha152x controller, which causes SCSI code to reset bus.
77 {"SANYO", "CRD-250S", "1.20", BLIST_NOLUN
},
79 * The following causes a failed REQUEST SENSE on lun 1 for
80 * aha152x controller, which causes SCSI code to reset bus.
82 {"SEAGATE", "ST157N", "\004|j", BLIST_NOLUN
},
83 {"SEAGATE", "ST296", "921", BLIST_NOLUN
}, /* responds to all lun */
84 {"SEAGATE", "ST1581", "6538", BLIST_NOLUN
}, /* responds to all lun */
85 {"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN
},
86 {"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN
},
87 {"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN
},
88 {"SONY", "CD-ROM CDU-8012", NULL
, BLIST_NOLUN
},
89 {"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN
},
90 {"TANDBERG", "TDC 3600", "U07", BLIST_NOLUN
}, /* locks up */
91 {"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN
}, /* locks up */
93 * The following causes a failed REQUEST SENSE on lun 1 for
94 * seagate controller, which causes SCSI code to reset bus.
96 {"TEAC", "CD-ROM", "1.06", BLIST_NOLUN
},
97 {"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN
}, /* responds to all lun */
99 * The following causes a failed REQUEST SENSE on lun 1 for
100 * seagate controller, which causes SCSI code to reset bus.
102 {"HP", "C1750A", "3226", BLIST_NOLUN
}, /* scanjet iic */
103 {"HP", "C1790A", "", BLIST_NOLUN
}, /* scanjet iip */
104 {"HP", "C2500A", "", BLIST_NOLUN
}, /* scanjet iicx */
105 {"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN
}, /* locks up */
106 {"MICROTEK", "ScanMaker II", "5.61", BLIST_NOLUN
}, /* responds to all lun */
107 {"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN
}, /* locks up */
108 {"NEC", "D3856", "0009", BLIST_NOLUN
},
109 {"QUANTUM", "LPS525S", "3110", BLIST_NOLUN
}, /* locks up */
110 {"QUANTUM", "PD1225S", "3110", BLIST_NOLUN
}, /* locks up */
111 {"QUANTUM", "FIREBALL ST4.3S", "0F0C", BLIST_NOLUN
}, /* locks up */
112 {"RELISYS", "Scorpio", NULL
, BLIST_NOLUN
}, /* responds to all lun */
113 {"SANKYO", "CP525", "6.64", BLIST_NOLUN
}, /* causes failed REQ SENSE, extra reset */
114 {"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN
},
115 {"transtec", "T5008", "0001", BLIST_NOREPORTLUN
},
116 {"YAMAHA", "CDR100", "1.00", BLIST_NOLUN
}, /* locks up */
117 {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN
}, /* locks up */
118 {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN
}, /* locks up */
119 {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN
}, /* locks up */
120 {"", "Scanner", "1.80", BLIST_NOLUN
}, /* responds to all lun */
123 * Other types of devices that have special flags.
124 * Note that all USB devices should have the BLIST_INQUIRY_36 flag.
126 {"3PARdata", "VV", NULL
, BLIST_REPORTLUN2
},
127 {"ADAPTEC", "AACRAID", NULL
, BLIST_FORCELUN
},
128 {"ADAPTEC", "Adaptec 5400S", NULL
, BLIST_FORCELUN
},
129 {"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN
},
130 {"BELKIN", "USB 2 HS-CF", "1.95", BLIST_FORCELUN
| BLIST_INQUIRY_36
},
131 {"BROWNIE", "1600U3P", NULL
, BLIST_NOREPORTLUN
},
132 {"CANON", "IPUBJD", NULL
, BLIST_SPARSELUN
},
133 {"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN
| BLIST_INQUIRY_36
},
134 {"CMD", "CRA-7280", NULL
, BLIST_SPARSELUN
}, /* CMD RAID Controller */
135 {"CNSI", "G7324", NULL
, BLIST_SPARSELUN
}, /* Chaparral G7324 RAID */
136 {"CNSi", "G8324", NULL
, BLIST_SPARSELUN
}, /* Chaparral G8324 RAID */
137 {"COMPAQ", "ARRAY CONTROLLER", NULL
, BLIST_SPARSELUN
| BLIST_LARGELUN
|
138 BLIST_MAX_512
| BLIST_REPORTLUN2
}, /* Compaq RA4x00 */
139 {"COMPAQ", "LOGICAL VOLUME", NULL
, BLIST_FORCELUN
| BLIST_MAX_512
}, /* Compaq RA4x00 */
140 {"COMPAQ", "CR3500", NULL
, BLIST_FORCELUN
},
141 {"COMPAQ", "MSA1000", NULL
, BLIST_SPARSELUN
| BLIST_NOSTARTONADD
},
142 {"COMPAQ", "MSA1000 VOLUME", NULL
, BLIST_SPARSELUN
| BLIST_NOSTARTONADD
},
143 {"COMPAQ", "HSV110", NULL
, BLIST_REPORTLUN2
| BLIST_NOSTARTONADD
},
144 {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN
},
145 {"DEC", "HSG80", NULL
, BLIST_REPORTLUN2
| BLIST_NOSTARTONADD
},
146 {"DELL", "PV660F", NULL
, BLIST_SPARSELUN
},
147 {"DELL", "PV660F PSEUDO", NULL
, BLIST_SPARSELUN
},
148 {"DELL", "PSEUDO DEVICE .", NULL
, BLIST_SPARSELUN
}, /* Dell PV 530F */
149 {"DELL", "PV530F", NULL
, BLIST_SPARSELUN
},
150 {"DELL", "PERCRAID", NULL
, BLIST_FORCELUN
},
151 {"DGC", "RAID", NULL
, BLIST_SPARSELUN
}, /* Dell PV 650F, storage on LUN 0 */
152 {"DGC", "DISK", NULL
, BLIST_SPARSELUN
}, /* Dell PV 650F, no storage on LUN 0 */
153 {"EMC", "SYMMETRIX", NULL
, BLIST_SPARSELUN
| BLIST_LARGELUN
| BLIST_FORCELUN
},
154 {"EMULEX", "MD21/S2 ESDI", NULL
, BLIST_SINGLELUN
},
155 {"FSC", "CentricStor", "*", BLIST_SPARSELUN
| BLIST_LARGELUN
},
156 {"Generic", "USB SD Reader", "1.00", BLIST_FORCELUN
| BLIST_INQUIRY_36
},
157 {"Generic", "USB Storage-SMC", "0180", BLIST_FORCELUN
| BLIST_INQUIRY_36
},
158 {"Generic", "USB Storage-SMC", "0207", BLIST_FORCELUN
| BLIST_INQUIRY_36
},
159 {"HITACHI", "DF400", "*", BLIST_SPARSELUN
},
160 {"HITACHI", "DF500", "*", BLIST_SPARSELUN
},
161 {"HITACHI", "DF600", "*", BLIST_SPARSELUN
},
162 {"HP", "A6189A", NULL
, BLIST_SPARSELUN
| BLIST_LARGELUN
}, /* HP VA7400 */
163 {"HP", "OPEN-", "*", BLIST_SPARSELUN
| BLIST_LARGELUN
}, /* HP XP Arrays */
164 {"HP", "NetRAID-4M", NULL
, BLIST_FORCELUN
},
165 {"HP", "HSV100", NULL
, BLIST_REPORTLUN2
| BLIST_NOSTARTONADD
},
166 {"HP", "C1557A", NULL
, BLIST_FORCELUN
},
167 {"HP", "C3323-300", "4269", BLIST_NOTQ
},
168 {"HP", "C5713A", NULL
, BLIST_NOREPORTLUN
},
169 {"IBM", "AuSaV1S2", NULL
, BLIST_FORCELUN
},
170 {"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN
| BLIST_LARGELUN
},
171 {"IBM", "2105", NULL
, BLIST_RETRY_HWERROR
},
172 {"iomega", "jaz 1GB", "J.86", BLIST_NOTQ
| BLIST_NOLUN
},
173 {"IOMEGA", "Io20S *F", NULL
, BLIST_KEY
},
174 {"INSITE", "Floptical F*8I", NULL
, BLIST_KEY
},
175 {"INSITE", "I325VM", NULL
, BLIST_KEY
},
176 {"iRiver", "iFP Mass Driver", NULL
, BLIST_NOT_LOCKABLE
| BLIST_INQUIRY_36
},
177 {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN
| BLIST_SINGLELUN
},
178 {"MATSHITA", "PD-1", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
179 {"MATSHITA", "DMC-LC5", NULL
, BLIST_NOT_LOCKABLE
| BLIST_INQUIRY_36
},
180 {"MATSHITA", "DMC-LC40", NULL
, BLIST_NOT_LOCKABLE
| BLIST_INQUIRY_36
},
181 {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN
},
182 {"MegaRAID", "LD", NULL
, BLIST_FORCELUN
},
183 {"MICROP", "4110", NULL
, BLIST_NOTQ
},
184 {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2
},
185 {"nCipher", "Fastness Crypto", NULL
, BLIST_FORCELUN
},
186 {"NAKAMICH", "MJ-4.8S", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
187 {"NAKAMICH", "MJ-5.16S", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
188 {"NEC", "PD-1 ODX654P", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
189 {"NRC", "MBR-7", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
190 {"NRC", "MBR-7.4", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
191 {"PIONEER", "CD-ROM DRM-600", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
192 {"PIONEER", "CD-ROM DRM-602X", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
193 {"PIONEER", "CD-ROM DRM-604X", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
194 {"PIONEER", "CD-ROM DRM-624X", NULL
, BLIST_FORCELUN
| BLIST_SINGLELUN
},
195 {"REGAL", "CDC-4X", NULL
, BLIST_MAX5LUN
| BLIST_SINGLELUN
},
196 {"SanDisk", "ImageMate CF-SD1", NULL
, BLIST_FORCELUN
},
197 {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ
}, /* Chokes on tagged INQUIRY */
198 {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ
},
199 {"SGI", "RAID3", "*", BLIST_SPARSELUN
},
200 {"SGI", "RAID5", "*", BLIST_SPARSELUN
},
201 {"SGI", "TP9100", "*", BLIST_REPORTLUN2
},
202 {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH
},
203 {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH
},
204 {"SMSC", "USB 2 HS-CF", NULL
, BLIST_SPARSELUN
| BLIST_INQUIRY_36
},
205 {"SONY", "CD-ROM CDU-8001", NULL
, BLIST_BORKEN
},
206 {"SONY", "TSL", NULL
, BLIST_FORCELUN
}, /* DDS3 & DDS4 autoloaders */
207 {"ST650211", "CF", NULL
, BLIST_RETRY_HWERROR
},
208 {"SUN", "T300", "*", BLIST_SPARSELUN
},
209 {"SUN", "T4", "*", BLIST_SPARSELUN
},
210 {"TEXEL", "CD-ROM", "1.06", BLIST_BORKEN
},
211 {"TOSHIBA", "CDROM", NULL
, BLIST_ISROM
},
212 {"TOSHIBA", "CD-ROM", NULL
, BLIST_ISROM
},
213 {"USB2.0", "SMARTMEDIA/XD", NULL
, BLIST_FORCELUN
| BLIST_INQUIRY_36
},
214 {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN
},
215 {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN
},
216 {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN
},
217 {"WDC WD25", "00JB-00FUA0", NULL
, BLIST_NOREPORTLUN
},
218 {"XYRATEX", "RS", "*", BLIST_SPARSELUN
| BLIST_LARGELUN
},
219 {"Zzyzx", "RocketStor 500S", NULL
, BLIST_SPARSELUN
},
220 {"Zzyzx", "RocketStor 2000", NULL
, BLIST_SPARSELUN
},
221 { NULL
, NULL
, NULL
, 0 },
225 * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into
226 * devinfo vendor and model strings.
228 static void scsi_strcpy_devinfo(char *name
, char *to
, size_t to_length
,
229 char *from
, int compatible
)
233 from_length
= strlen(from
);
234 strncpy(to
, from
, min(to_length
, from_length
));
235 if (from_length
< to_length
) {
238 * NUL terminate the string if it is short.
240 to
[from_length
] = '\0';
243 * space pad the string if it is short.
245 strncpy(&to
[from_length
], spaces
,
246 to_length
- from_length
);
249 if (from_length
> to_length
)
250 printk(KERN_WARNING
"%s: %s string '%s' is too long\n",
251 __FUNCTION__
, name
, from
);
255 * scsi_dev_info_list_add: add one dev_info list entry.
256 * @vendor: vendor string
257 * @model: model (product) string
258 * @strflags: integer string
259 * @flag: if strflags NULL, use this flag value
262 * Create and add one dev_info entry for @vendor, @model, @strflags or
263 * @flag. If @compatible, add to the tail of the list, do not space
264 * pad, and set devinfo->compatible. The scsi_static_device_list entries
265 * are added with @compatible 1 and @clfags NULL.
267 * Returns: 0 OK, -error on failure.
269 static int scsi_dev_info_list_add(int compatible
, char *vendor
, char *model
,
270 char *strflags
, int flags
)
272 struct scsi_dev_info_list
*devinfo
;
274 devinfo
= kmalloc(sizeof(*devinfo
), GFP_KERNEL
);
276 printk(KERN_ERR
"%s: no memory\n", __FUNCTION__
);
280 scsi_strcpy_devinfo("vendor", devinfo
->vendor
, sizeof(devinfo
->vendor
),
282 scsi_strcpy_devinfo("model", devinfo
->model
, sizeof(devinfo
->model
),
286 devinfo
->flags
= simple_strtoul(strflags
, NULL
, 0);
288 devinfo
->flags
= flags
;
290 devinfo
->compatible
= compatible
;
293 list_add_tail(&devinfo
->dev_info_list
, &scsi_dev_info_list
);
295 list_add(&devinfo
->dev_info_list
, &scsi_dev_info_list
);
301 * scsi_dev_info_list_add_str: parse dev_list and add to the
302 * scsi_dev_info_list.
303 * @dev_list: string of device flags to add
306 * Parse dev_list, and add entries to the scsi_dev_info_list.
307 * dev_list is of the form "vendor:product:flag,vendor:product:flag".
308 * dev_list is modified via strsep. Can be called for command line
309 * addition, for proc or mabye a sysfs interface.
311 * Returns: 0 if OK, -error on failure.
313 static int scsi_dev_info_list_add_str(char *dev_list
)
315 char *vendor
, *model
, *strflags
, *next
;
320 if (next
&& next
[0] == '"') {
322 * Ignore both the leading and trailing quote.
331 * For the leading and trailing '"' case, the for loop comes
332 * through the last time with vendor[0] == '\0'.
334 for (vendor
= strsep(&next
, ":"); vendor
&& (vendor
[0] != '\0')
335 && (res
== 0); vendor
= strsep(&next
, ":")) {
337 model
= strsep(&next
, ":");
339 strflags
= strsep(&next
, next_check
);
340 if (!model
|| !strflags
) {
341 printk(KERN_ERR
"%s: bad dev info string '%s' '%s'"
342 " '%s'\n", __FUNCTION__
, vendor
, model
,
346 res
= scsi_dev_info_list_add(0 /* compatible */, vendor
,
353 * get_device_flags - get device specific flags from the dynamic device
354 * list. Called during scan time.
355 * @vendor: vendor name
359 * Search the scsi_dev_info_list for an entry matching @vendor and
360 * @model, if found, return the matching flags value, else return
361 * the host or global default settings.
363 int scsi_get_device_flags(struct scsi_device
*sdev
,
364 const unsigned char *vendor
,
365 const unsigned char *model
)
367 struct scsi_dev_info_list
*devinfo
;
370 bflags
= sdev
->sdev_bflags
;
372 bflags
= scsi_default_dev_flags
;
374 list_for_each_entry(devinfo
, &scsi_dev_info_list
, dev_info_list
) {
375 if (devinfo
->compatible
) {
377 * Behave like the older version of get_device_flags.
381 * XXX why skip leading spaces? If an odd INQUIRY
382 * value, that should have been part of the
383 * scsi_static_device_list[] entry, such as " FOO"
384 * rather than "FOO". Since this code is already
385 * here, and we don't know what device it is
386 * trying to work with, leave it as-is.
388 max
= 8; /* max length of vendor */
389 while ((max
> 0) && *vendor
== ' ') {
394 * XXX removing the following strlen() would be
395 * good, using it means that for a an entry not in
396 * the list, we scan every byte of every vendor
397 * listed in scsi_static_device_list[], and never match
398 * a single one (and still have to compare at
399 * least the first byte of each vendor).
401 if (memcmp(devinfo
->vendor
, vendor
,
402 min(max
, strlen(devinfo
->vendor
))))
407 max
= 16; /* max length of model */
408 while ((max
> 0) && *model
== ' ') {
412 if (memcmp(devinfo
->model
, model
,
413 min(max
, strlen(devinfo
->model
))))
415 return devinfo
->flags
;
417 if (!memcmp(devinfo
->vendor
, vendor
,
418 sizeof(devinfo
->vendor
)) &&
419 !memcmp(devinfo
->model
, model
,
420 sizeof(devinfo
->model
)))
421 return devinfo
->flags
;
427 #ifdef CONFIG_SCSI_PROC_FS
429 * proc_scsi_dev_info_read: dump the scsi_dev_info_list via
430 * /proc/scsi/device_info
432 static int proc_scsi_devinfo_read(char *buffer
, char **start
,
433 off_t offset
, int length
)
435 struct scsi_dev_info_list
*devinfo
;
440 list_for_each_entry(devinfo
, &scsi_dev_info_list
, dev_info_list
) {
441 size
= sprintf(buffer
+ len
, "'%.8s' '%.16s' 0x%x\n",
442 devinfo
->vendor
, devinfo
->model
, devinfo
->flags
);
449 if (pos
> offset
+ length
)
454 *start
= buffer
+ (offset
- begin
); /* Start of wanted data */
455 len
-= (offset
- begin
); /* Start slop */
457 len
= length
; /* Ending slop */
462 * proc_scsi_dev_info_write: allow additions to the scsi_dev_info_list via
465 * Use: echo "vendor:model:flag" > /proc/scsi/device_info
467 * To add a black/white list entry for vendor and model with an integer
468 * value of flag to the scsi device info list.
470 static int proc_scsi_devinfo_write(struct file
*file
, const char __user
*buf
,
471 unsigned long length
, void *data
)
476 if (!buf
|| length
>PAGE_SIZE
)
478 if (!(buffer
= (char *) __get_free_page(GFP_KERNEL
)))
480 if (copy_from_user(buffer
, buf
, length
)) {
485 if (length
< PAGE_SIZE
)
486 buffer
[length
] = '\0';
487 else if (buffer
[PAGE_SIZE
-1]) {
492 scsi_dev_info_list_add_str(buffer
);
495 free_page((unsigned long)buffer
);
498 #endif /* CONFIG_SCSI_PROC_FS */
500 module_param_string(dev_flags
, scsi_dev_flags
, sizeof(scsi_dev_flags
), 0);
501 MODULE_PARM_DESC(dev_flags
,
502 "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white"
503 " list entries for vendor and model with an integer value of flags"
504 " to the scsi device info list");
506 module_param_named(default_dev_flags
, scsi_default_dev_flags
, int, S_IRUGO
|S_IWUSR
);
507 MODULE_PARM_DESC(default_dev_flags
,
508 "scsi default device flag integer value");
511 * scsi_dev_info_list_delete: called from scsi.c:exit_scsi to remove
512 * the scsi_dev_info_list.
514 void scsi_exit_devinfo(void)
516 struct list_head
*lh
, *lh_next
;
517 struct scsi_dev_info_list
*devinfo
;
519 #ifdef CONFIG_SCSI_PROC_FS
520 remove_proc_entry("scsi/device_info", NULL
);
523 list_for_each_safe(lh
, lh_next
, &scsi_dev_info_list
) {
524 devinfo
= list_entry(lh
, struct scsi_dev_info_list
,
531 * scsi_dev_list_init: set up the dynamic device list.
532 * @dev_list: string of device flags to add
535 * Add command line @dev_list entries, then add
536 * scsi_static_device_list entries to the scsi device info list.
538 int __init
scsi_init_devinfo(void)
540 #ifdef CONFIG_SCSI_PROC_FS
541 struct proc_dir_entry
*p
;
545 error
= scsi_dev_info_list_add_str(scsi_dev_flags
);
549 for (i
= 0; scsi_static_device_list
[i
].vendor
; i
++) {
550 error
= scsi_dev_info_list_add(1 /* compatibile */,
551 scsi_static_device_list
[i
].vendor
,
552 scsi_static_device_list
[i
].model
,
554 scsi_static_device_list
[i
].flags
);
559 #ifdef CONFIG_SCSI_PROC_FS
560 p
= create_proc_entry("scsi/device_info", 0, NULL
);
566 p
->owner
= THIS_MODULE
;
567 p
->get_info
= proc_scsi_devinfo_read
;
568 p
->write_proc
= proc_scsi_devinfo_write
;
569 #endif /* CONFIG_SCSI_PROC_FS */