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1da177e4 LT |
1 | |
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> | |
5a0e3ad6 | 9 | #include <linux/slab.h> |
1da177e4 LT |
10 | |
11 | #include <scsi/scsi_device.h> | |
12 | #include <scsi/scsi_devinfo.h> | |
13 | ||
14 | #include "scsi_priv.h" | |
15 | ||
16 | ||
17 | /* | |
18 | * scsi_dev_info_list: structure to hold black/white listed devices. | |
19 | */ | |
20 | struct scsi_dev_info_list { | |
21 | struct list_head dev_info_list; | |
22 | char vendor[8]; | |
23 | char model[16]; | |
24 | unsigned flags; | |
25 | unsigned compatible; /* for use with scsi_static_device_list entries */ | |
26 | }; | |
27 | ||
598fa4b7 JB |
28 | struct scsi_dev_info_list_table { |
29 | struct list_head node; /* our node for being on the master list */ | |
30 | struct list_head scsi_dev_info_list; /* head of dev info list */ | |
31 | const char *name; /* name of list for /proc (NULL for global) */ | |
32 | int key; /* unique numeric identifier */ | |
33 | }; | |
34 | ||
1da177e4 LT |
35 | |
36 | static const char spaces[] = " "; /* 16 of them */ | |
37 | static unsigned scsi_default_dev_flags; | |
38 | static LIST_HEAD(scsi_dev_info_list); | |
39 | static char scsi_dev_flags[256]; | |
40 | ||
41 | /* | |
42 | * scsi_static_device_list: deprecated list of devices that require | |
43 | * settings that differ from the default, includes black-listed (broken) | |
44 | * devices. The entries here are added to the tail of scsi_dev_info_list | |
45 | * via scsi_dev_info_list_init. | |
46 | * | |
47 | * Do not add to this list, use the command line or proc interface to add | |
48 | * to the scsi_dev_info_list. This table will eventually go away. | |
49 | */ | |
50 | static struct { | |
51 | char *vendor; | |
52 | char *model; | |
53 | char *revision; /* revision known to be bad, unused */ | |
54 | unsigned flags; | |
55 | } scsi_static_device_list[] __initdata = { | |
56 | /* | |
57 | * The following devices are known not to tolerate a lun != 0 scan | |
58 | * for one reason or another. Some will respond to all luns, | |
59 | * others will lock up. | |
60 | */ | |
61 | {"Aashima", "IMAGERY 2400SP", "1.03", BLIST_NOLUN}, /* locks up */ | |
62 | {"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN}, /* locks up */ | |
63 | {"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN}, /* locks up */ | |
64 | {"DENON", "DRD-25X", "V", BLIST_NOLUN}, /* locks up */ | |
65 | {"HITACHI", "DK312C", "CM81", BLIST_NOLUN}, /* responds to all lun */ | |
66 | {"HITACHI", "DK314C", "CR21", BLIST_NOLUN}, /* responds to all lun */ | |
f2536cbd BK |
67 | {"IBM", "2104-DU3", NULL, BLIST_NOLUN}, /* locks up */ |
68 | {"IBM", "2104-TU3", NULL, BLIST_NOLUN}, /* locks up */ | |
1da177e4 LT |
69 | {"IMS", "CDD521/10", "2.06", BLIST_NOLUN}, /* locks up */ |
70 | {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN}, /* locks up */ | |
71 | {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN}, /* locks up */ | |
72 | {"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN}, /* locks up */ | |
73 | {"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN}, /* locks up */ | |
74 | {"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN}, /* locks up */ | |
75 | {"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN}, /* responds to all lun */ | |
76 | {"MICROTEK", "ScanMakerIII", "2.30", BLIST_NOLUN}, /* responds to all lun */ | |
77 | {"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},/* locks up */ | |
78 | {"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN}, /* responds to all lun */ | |
79 | {"RODIME", "RO3000S", "2.33", BLIST_NOLUN}, /* locks up */ | |
80 | {"SUN", "SENA", NULL, BLIST_NOLUN}, /* responds to all luns */ | |
81 | /* | |
82 | * The following causes a failed REQUEST SENSE on lun 1 for | |
83 | * aha152x controller, which causes SCSI code to reset bus. | |
84 | */ | |
85 | {"SANYO", "CRD-250S", "1.20", BLIST_NOLUN}, | |
86 | /* | |
87 | * The following causes a failed REQUEST SENSE on lun 1 for | |
88 | * aha152x controller, which causes SCSI code to reset bus. | |
89 | */ | |
90 | {"SEAGATE", "ST157N", "\004|j", BLIST_NOLUN}, | |
91 | {"SEAGATE", "ST296", "921", BLIST_NOLUN}, /* responds to all lun */ | |
92 | {"SEAGATE", "ST1581", "6538", BLIST_NOLUN}, /* responds to all lun */ | |
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}, /* locks up */ | |
99 | {"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN}, /* locks up */ | |
100 | /* | |
101 | * The following causes a failed REQUEST SENSE on lun 1 for | |
102 | * seagate controller, which causes SCSI code to reset bus. | |
103 | */ | |
104 | {"TEAC", "CD-ROM", "1.06", BLIST_NOLUN}, | |
105 | {"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN}, /* responds to all lun */ | |
106 | /* | |
107 | * The following causes a failed REQUEST SENSE on lun 1 for | |
108 | * seagate controller, which causes SCSI code to reset bus. | |
109 | */ | |
110 | {"HP", "C1750A", "3226", BLIST_NOLUN}, /* scanjet iic */ | |
111 | {"HP", "C1790A", "", BLIST_NOLUN}, /* scanjet iip */ | |
112 | {"HP", "C2500A", "", BLIST_NOLUN}, /* scanjet iicx */ | |
113 | {"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN}, /* locks up */ | |
114 | {"MICROTEK", "ScanMaker II", "5.61", BLIST_NOLUN}, /* responds to all lun */ | |
115 | {"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN}, /* locks up */ | |
116 | {"NEC", "D3856", "0009", BLIST_NOLUN}, | |
117 | {"QUANTUM", "LPS525S", "3110", BLIST_NOLUN}, /* locks up */ | |
118 | {"QUANTUM", "PD1225S", "3110", BLIST_NOLUN}, /* locks up */ | |
119 | {"QUANTUM", "FIREBALL ST4.3S", "0F0C", BLIST_NOLUN}, /* locks up */ | |
120 | {"RELISYS", "Scorpio", NULL, BLIST_NOLUN}, /* responds to all lun */ | |
121 | {"SANKYO", "CP525", "6.64", BLIST_NOLUN}, /* causes failed REQ SENSE, extra reset */ | |
122 | {"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN}, | |
1c536315 | 123 | {"transtec", "T5008", "0001", BLIST_NOREPORTLUN }, |
1da177e4 LT |
124 | {"YAMAHA", "CDR100", "1.00", BLIST_NOLUN}, /* locks up */ |
125 | {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN}, /* locks up */ | |
126 | {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN}, /* locks up */ | |
127 | {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN}, /* locks up */ | |
0d7323c8 | 128 | {"", "Scanner", "1.80", BLIST_NOLUN}, /* responds to all lun */ |
1da177e4 LT |
129 | |
130 | /* | |
131 | * Other types of devices that have special flags. | |
132 | * Note that all USB devices should have the BLIST_INQUIRY_36 flag. | |
133 | */ | |
134 | {"3PARdata", "VV", NULL, BLIST_REPORTLUN2}, | |
135 | {"ADAPTEC", "AACRAID", NULL, BLIST_FORCELUN}, | |
136 | {"ADAPTEC", "Adaptec 5400S", NULL, BLIST_FORCELUN}, | |
137 | {"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN}, | |
138 | {"BELKIN", "USB 2 HS-CF", "1.95", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
80dc3e06 | 139 | {"BROWNIE", "1200U3P", NULL, BLIST_NOREPORTLUN}, |
98acfc7e | 140 | {"BROWNIE", "1600U3P", NULL, BLIST_NOREPORTLUN}, |
1da177e4 LT |
141 | {"CANON", "IPUBJD", NULL, BLIST_SPARSELUN}, |
142 | {"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
143 | {"CMD", "CRA-7280", NULL, BLIST_SPARSELUN}, /* CMD RAID Controller */ | |
144 | {"CNSI", "G7324", NULL, BLIST_SPARSELUN}, /* Chaparral G7324 RAID */ | |
145 | {"CNSi", "G8324", NULL, BLIST_SPARSELUN}, /* Chaparral G8324 RAID */ | |
4d7db04a JB |
146 | {"COMPAQ", "ARRAY CONTROLLER", NULL, BLIST_SPARSELUN | BLIST_LARGELUN | |
147 | BLIST_MAX_512 | BLIST_REPORTLUN2}, /* Compaq RA4x00 */ | |
148 | {"COMPAQ", "LOGICAL VOLUME", NULL, BLIST_FORCELUN | BLIST_MAX_512}, /* Compaq RA4x00 */ | |
1da177e4 LT |
149 | {"COMPAQ", "CR3500", NULL, BLIST_FORCELUN}, |
150 | {"COMPAQ", "MSA1000", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD}, | |
151 | {"COMPAQ", "MSA1000 VOLUME", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD}, | |
152 | {"COMPAQ", "HSV110", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, | |
153 | {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN}, | |
507caac7 | 154 | {"DEC", "HSG80", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, |
1da177e4 LT |
155 | {"DELL", "PV660F", NULL, BLIST_SPARSELUN}, |
156 | {"DELL", "PV660F PSEUDO", NULL, BLIST_SPARSELUN}, | |
157 | {"DELL", "PSEUDO DEVICE .", NULL, BLIST_SPARSELUN}, /* Dell PV 530F */ | |
158 | {"DELL", "PV530F", NULL, BLIST_SPARSELUN}, | |
159 | {"DELL", "PERCRAID", NULL, BLIST_FORCELUN}, | |
160 | {"DGC", "RAID", NULL, BLIST_SPARSELUN}, /* Dell PV 650F, storage on LUN 0 */ | |
161 | {"DGC", "DISK", NULL, BLIST_SPARSELUN}, /* Dell PV 650F, no storage on LUN 0 */ | |
3441afc6 | 162 | {"EMC", "Invista", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
1da177e4 LT |
163 | {"EMC", "SYMMETRIX", NULL, BLIST_SPARSELUN | BLIST_LARGELUN | BLIST_FORCELUN}, |
164 | {"EMULEX", "MD21/S2 ESDI", NULL, BLIST_SINGLELUN}, | |
80b1c7bd AM |
165 | {"easyRAID", "16P", NULL, BLIST_NOREPORTLUN}, |
166 | {"easyRAID", "X6P", NULL, BLIST_NOREPORTLUN}, | |
167 | {"easyRAID", "F8", NULL, BLIST_NOREPORTLUN}, | |
1da177e4 LT |
168 | {"FSC", "CentricStor", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
169 | {"Generic", "USB SD Reader", "1.00", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
170 | {"Generic", "USB Storage-SMC", "0180", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
171 | {"Generic", "USB Storage-SMC", "0207", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
627511e3 TY |
172 | {"HITACHI", "DF400", "*", BLIST_REPORTLUN2}, |
173 | {"HITACHI", "DF500", "*", BLIST_REPORTLUN2}, | |
174 | {"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2}, | |
d974e426 | 175 | {"HITACHI", "HUS1530", "*", BLIST_NO_DIF}, |
627511e3 | 176 | {"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2}, |
f70cfa9b MC |
177 | {"HITACHI", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
178 | {"HITACHI", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
179 | {"HITACHI", "3390-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
180 | {"HITACHI", "6586-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
181 | {"HITACHI", "6588-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
1da177e4 | 182 | {"HP", "A6189A", NULL, BLIST_SPARSELUN | BLIST_LARGELUN}, /* HP VA7400 */ |
9ba0883c | 183 | {"HP", "OPEN-", "*", BLIST_REPORTLUN2}, /* HP XP Arrays */ |
1da177e4 LT |
184 | {"HP", "NetRAID-4M", NULL, BLIST_FORCELUN}, |
185 | {"HP", "HSV100", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, | |
186 | {"HP", "C1557A", NULL, BLIST_FORCELUN}, | |
187 | {"HP", "C3323-300", "4269", BLIST_NOTQ}, | |
c3d83368 | 188 | {"HP", "C5713A", NULL, BLIST_NOREPORTLUN}, |
f70cfa9b MC |
189 | {"HP", "DF400", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
190 | {"HP", "DF500", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
191 | {"HP", "DF600", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
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}, | |
1da177e4 LT |
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}, | |
82103978 | 201 | {"IOMEGA", "ZIP", NULL, BLIST_NOTQ | BLIST_NOLUN}, |
1da177e4 LT |
202 | {"IOMEGA", "Io20S *F", NULL, BLIST_KEY}, |
203 | {"INSITE", "Floptical F*8I", NULL, BLIST_KEY}, | |
204 | {"INSITE", "I325VM", NULL, BLIST_KEY}, | |
205 | {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
206 | {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN}, | |
207 | {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
208 | {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
209 | {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
210 | {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN}, | |
211 | {"MegaRAID", "LD", NULL, BLIST_FORCELUN}, | |
212 | {"MICROP", "4110", NULL, BLIST_NOTQ}, | |
213 | {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2}, | |
214 | {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN}, | |
215 | {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
216 | {"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
217 | {"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
12427d99 | 218 | {"NEC", "iStorage", NULL, BLIST_REPORTLUN2}, |
1da177e4 LT |
219 | {"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
220 | {"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
221 | {"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
222 | {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
223 | {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
f4fd20bf | 224 | {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
0213436a | 225 | {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC}, |
e0b2e597 | 226 | {"Promise", "", NULL, BLIST_SPARSELUN}, |
2ffb45c6 | 227 | {"QUANTUM", "XP34301", "1071", BLIST_NOTQ}, |
1da177e4 LT |
228 | {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN}, |
229 | {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN}, | |
230 | {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */ | |
231 | {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ}, | |
56f2a801 | 232 | {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES}, |
1da177e4 LT |
233 | {"SGI", "RAID3", "*", BLIST_SPARSELUN}, |
234 | {"SGI", "RAID5", "*", BLIST_SPARSELUN}, | |
235 | {"SGI", "TP9100", "*", BLIST_REPORTLUN2}, | |
236 | {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
48690405 | 237 | {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
debf4777 | 238 | {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
4aa312b9 | 239 | {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
1da177e4 LT |
240 | {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36}, |
241 | {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN}, | |
242 | {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */ | |
243 | {"ST650211", "CF", NULL, BLIST_RETRY_HWERROR}, | |
244 | {"SUN", "T300", "*", BLIST_SPARSELUN}, | |
245 | {"SUN", "T4", "*", BLIST_SPARSELUN}, | |
246 | {"TEXEL", "CD-ROM", "1.06", BLIST_BORKEN}, | |
5f619c5b | 247 | {"Tornado-", "F4", "*", BLIST_NOREPORTLUN}, |
1da177e4 LT |
248 | {"TOSHIBA", "CDROM", NULL, BLIST_ISROM}, |
249 | {"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM}, | |
82103978 | 250 | {"Traxdata", "CDR4120", NULL, BLIST_NOLUN}, /* locks up */ |
1da177e4 LT |
251 | {"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, |
252 | {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN}, | |
253 | {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN}, | |
254 | {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN}, | |
255 | {"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN}, | |
256 | {"XYRATEX", "RS", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
257 | {"Zzyzx", "RocketStor 500S", NULL, BLIST_SPARSELUN}, | |
258 | {"Zzyzx", "RocketStor 2000", NULL, BLIST_SPARSELUN}, | |
259 | { NULL, NULL, NULL, 0 }, | |
260 | }; | |
261 | ||
598fa4b7 JB |
262 | static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key) |
263 | { | |
264 | struct scsi_dev_info_list_table *devinfo_table; | |
265 | int found = 0; | |
266 | ||
267 | list_for_each_entry(devinfo_table, &scsi_dev_info_list, node) | |
268 | if (devinfo_table->key == key) { | |
269 | found = 1; | |
270 | break; | |
271 | } | |
272 | if (!found) | |
273 | return ERR_PTR(-EINVAL); | |
274 | ||
275 | return devinfo_table; | |
276 | } | |
277 | ||
1da177e4 LT |
278 | /* |
279 | * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into | |
280 | * devinfo vendor and model strings. | |
281 | */ | |
282 | static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, | |
283 | char *from, int compatible) | |
284 | { | |
285 | size_t from_length; | |
286 | ||
287 | from_length = strlen(from); | |
288 | strncpy(to, from, min(to_length, from_length)); | |
289 | if (from_length < to_length) { | |
290 | if (compatible) { | |
291 | /* | |
292 | * NUL terminate the string if it is short. | |
293 | */ | |
294 | to[from_length] = '\0'; | |
295 | } else { | |
296 | /* | |
297 | * space pad the string if it is short. | |
298 | */ | |
299 | strncpy(&to[from_length], spaces, | |
300 | to_length - from_length); | |
301 | } | |
302 | } | |
303 | if (from_length > to_length) | |
304 | printk(KERN_WARNING "%s: %s string '%s' is too long\n", | |
cadbd4a5 | 305 | __func__, name, from); |
1da177e4 LT |
306 | } |
307 | ||
308 | /** | |
eb44820c RL |
309 | * scsi_dev_info_list_add - add one dev_info list entry. |
310 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
1da177e4 LT |
311 | * @vendor: vendor string |
312 | * @model: model (product) string | |
313 | * @strflags: integer string | |
eb44820c | 314 | * @flags: if strflags NULL, use this flag value |
1da177e4 LT |
315 | * |
316 | * Description: | |
317 | * Create and add one dev_info entry for @vendor, @model, @strflags or | |
318 | * @flag. If @compatible, add to the tail of the list, do not space | |
319 | * pad, and set devinfo->compatible. The scsi_static_device_list entries | |
320 | * are added with @compatible 1 and @clfags NULL. | |
321 | * | |
322 | * Returns: 0 OK, -error on failure. | |
323 | **/ | |
324 | static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, | |
325 | char *strflags, int flags) | |
598fa4b7 JB |
326 | { |
327 | return scsi_dev_info_list_add_keyed(compatible, vendor, model, | |
328 | strflags, flags, | |
329 | SCSI_DEVINFO_GLOBAL); | |
330 | } | |
331 | ||
332 | /** | |
333 | * scsi_dev_info_list_add_keyed - add one dev_info list entry. | |
334 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
335 | * @vendor: vendor string | |
336 | * @model: model (product) string | |
337 | * @strflags: integer string | |
338 | * @flags: if strflags NULL, use this flag value | |
339 | * @key: specify list to use | |
340 | * | |
341 | * Description: | |
342 | * Create and add one dev_info entry for @vendor, @model, | |
343 | * @strflags or @flag in list specified by @key. If @compatible, | |
344 | * add to the tail of the list, do not space pad, and set | |
345 | * devinfo->compatible. The scsi_static_device_list entries are | |
346 | * added with @compatible 1 and @clfags NULL. | |
347 | * | |
348 | * Returns: 0 OK, -error on failure. | |
349 | **/ | |
350 | int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, | |
351 | char *strflags, int flags, int key) | |
1da177e4 LT |
352 | { |
353 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 JB |
354 | struct scsi_dev_info_list_table *devinfo_table = |
355 | scsi_devinfo_lookup_by_key(key); | |
356 | ||
357 | if (IS_ERR(devinfo_table)) | |
358 | return PTR_ERR(devinfo_table); | |
1da177e4 LT |
359 | |
360 | devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL); | |
361 | if (!devinfo) { | |
cadbd4a5 | 362 | printk(KERN_ERR "%s: no memory\n", __func__); |
1da177e4 LT |
363 | return -ENOMEM; |
364 | } | |
365 | ||
366 | scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor), | |
367 | vendor, compatible); | |
368 | scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model), | |
369 | model, compatible); | |
370 | ||
371 | if (strflags) | |
372 | devinfo->flags = simple_strtoul(strflags, NULL, 0); | |
373 | else | |
374 | devinfo->flags = flags; | |
375 | ||
376 | devinfo->compatible = compatible; | |
377 | ||
378 | if (compatible) | |
598fa4b7 JB |
379 | list_add_tail(&devinfo->dev_info_list, |
380 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 | 381 | else |
598fa4b7 JB |
382 | list_add(&devinfo->dev_info_list, |
383 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 LT |
384 | |
385 | return 0; | |
386 | } | |
598fa4b7 | 387 | EXPORT_SYMBOL(scsi_dev_info_list_add_keyed); |
1da177e4 | 388 | |
38a039be PJ |
389 | /** |
390 | * scsi_dev_info_list_del_keyed - remove one dev_info list entry. | |
391 | * @vendor: vendor string | |
392 | * @model: model (product) string | |
393 | * @key: specify list to use | |
394 | * | |
395 | * Description: | |
396 | * Remove and destroy one dev_info entry for @vendor, @model | |
397 | * in list specified by @key. | |
398 | * | |
399 | * Returns: 0 OK, -error on failure. | |
400 | **/ | |
401 | int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key) | |
402 | { | |
403 | struct scsi_dev_info_list *devinfo, *found = NULL; | |
404 | struct scsi_dev_info_list_table *devinfo_table = | |
405 | scsi_devinfo_lookup_by_key(key); | |
406 | ||
407 | if (IS_ERR(devinfo_table)) | |
408 | return PTR_ERR(devinfo_table); | |
409 | ||
410 | list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, | |
411 | dev_info_list) { | |
412 | if (devinfo->compatible) { | |
413 | /* | |
414 | * Behave like the older version of get_device_flags. | |
415 | */ | |
416 | size_t max; | |
417 | /* | |
418 | * XXX why skip leading spaces? If an odd INQUIRY | |
419 | * value, that should have been part of the | |
420 | * scsi_static_device_list[] entry, such as " FOO" | |
421 | * rather than "FOO". Since this code is already | |
422 | * here, and we don't know what device it is | |
423 | * trying to work with, leave it as-is. | |
424 | */ | |
425 | max = 8; /* max length of vendor */ | |
426 | while ((max > 0) && *vendor == ' ') { | |
427 | max--; | |
428 | vendor++; | |
429 | } | |
430 | /* | |
431 | * XXX removing the following strlen() would be | |
432 | * good, using it means that for a an entry not in | |
433 | * the list, we scan every byte of every vendor | |
434 | * listed in scsi_static_device_list[], and never match | |
435 | * a single one (and still have to compare at | |
436 | * least the first byte of each vendor). | |
437 | */ | |
438 | if (memcmp(devinfo->vendor, vendor, | |
439 | min(max, strlen(devinfo->vendor)))) | |
440 | continue; | |
441 | /* | |
442 | * Skip spaces again. | |
443 | */ | |
444 | max = 16; /* max length of model */ | |
445 | while ((max > 0) && *model == ' ') { | |
446 | max--; | |
447 | model++; | |
448 | } | |
449 | if (memcmp(devinfo->model, model, | |
450 | min(max, strlen(devinfo->model)))) | |
451 | continue; | |
452 | found = devinfo; | |
453 | } else { | |
454 | if (!memcmp(devinfo->vendor, vendor, | |
455 | sizeof(devinfo->vendor)) && | |
456 | !memcmp(devinfo->model, model, | |
457 | sizeof(devinfo->model))) | |
458 | found = devinfo; | |
459 | } | |
460 | if (found) | |
461 | break; | |
462 | } | |
463 | ||
464 | if (found) { | |
465 | list_del(&found->dev_info_list); | |
466 | kfree(found); | |
467 | return 0; | |
468 | } | |
469 | ||
470 | return -ENOENT; | |
471 | } | |
472 | EXPORT_SYMBOL(scsi_dev_info_list_del_keyed); | |
473 | ||
1da177e4 | 474 | /** |
eb44820c | 475 | * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. |
1da177e4 LT |
476 | * @dev_list: string of device flags to add |
477 | * | |
478 | * Description: | |
479 | * Parse dev_list, and add entries to the scsi_dev_info_list. | |
480 | * dev_list is of the form "vendor:product:flag,vendor:product:flag". | |
481 | * dev_list is modified via strsep. Can be called for command line | |
482 | * addition, for proc or mabye a sysfs interface. | |
483 | * | |
484 | * Returns: 0 if OK, -error on failure. | |
485 | **/ | |
486 | static int scsi_dev_info_list_add_str(char *dev_list) | |
487 | { | |
488 | char *vendor, *model, *strflags, *next; | |
489 | char *next_check; | |
490 | int res = 0; | |
491 | ||
492 | next = dev_list; | |
493 | if (next && next[0] == '"') { | |
494 | /* | |
495 | * Ignore both the leading and trailing quote. | |
496 | */ | |
497 | next++; | |
498 | next_check = ",\""; | |
499 | } else { | |
500 | next_check = ","; | |
501 | } | |
502 | ||
503 | /* | |
504 | * For the leading and trailing '"' case, the for loop comes | |
505 | * through the last time with vendor[0] == '\0'. | |
506 | */ | |
507 | for (vendor = strsep(&next, ":"); vendor && (vendor[0] != '\0') | |
508 | && (res == 0); vendor = strsep(&next, ":")) { | |
509 | strflags = NULL; | |
510 | model = strsep(&next, ":"); | |
511 | if (model) | |
512 | strflags = strsep(&next, next_check); | |
513 | if (!model || !strflags) { | |
514 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" | |
cadbd4a5 | 515 | " '%s'\n", __func__, vendor, model, |
1da177e4 LT |
516 | strflags); |
517 | res = -EINVAL; | |
518 | } else | |
519 | res = scsi_dev_info_list_add(0 /* compatible */, vendor, | |
520 | model, strflags, 0); | |
521 | } | |
522 | return res; | |
523 | } | |
524 | ||
525 | /** | |
eb44820c RL |
526 | * get_device_flags - get device specific flags from the dynamic device list. |
527 | * @sdev: &scsi_device to get flags for | |
1da177e4 LT |
528 | * @vendor: vendor name |
529 | * @model: model name | |
530 | * | |
531 | * Description: | |
598fa4b7 JB |
532 | * Search the global scsi_dev_info_list (specified by list zero) |
533 | * for an entry matching @vendor and @model, if found, return the | |
534 | * matching flags value, else return the host or global default | |
535 | * settings. Called during scan time. | |
1da177e4 | 536 | **/ |
7f23e146 JB |
537 | int scsi_get_device_flags(struct scsi_device *sdev, |
538 | const unsigned char *vendor, | |
539 | const unsigned char *model) | |
598fa4b7 JB |
540 | { |
541 | return scsi_get_device_flags_keyed(sdev, vendor, model, | |
542 | SCSI_DEVINFO_GLOBAL); | |
543 | } | |
544 | ||
545 | ||
546 | /** | |
1acf3b06 | 547 | * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list |
598fa4b7 JB |
548 | * @sdev: &scsi_device to get flags for |
549 | * @vendor: vendor name | |
550 | * @model: model name | |
551 | * @key: list to look up | |
552 | * | |
553 | * Description: | |
554 | * Search the scsi_dev_info_list specified by @key for an entry | |
555 | * matching @vendor and @model, if found, return the matching | |
556 | * flags value, else return the host or global default settings. | |
557 | * Called during scan time. | |
558 | **/ | |
559 | int scsi_get_device_flags_keyed(struct scsi_device *sdev, | |
560 | const unsigned char *vendor, | |
561 | const unsigned char *model, | |
562 | int key) | |
1da177e4 LT |
563 | { |
564 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 JB |
565 | struct scsi_dev_info_list_table *devinfo_table; |
566 | ||
567 | devinfo_table = scsi_devinfo_lookup_by_key(key); | |
1da177e4 | 568 | |
598fa4b7 JB |
569 | if (IS_ERR(devinfo_table)) |
570 | return PTR_ERR(devinfo_table); | |
1da177e4 | 571 | |
598fa4b7 JB |
572 | list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, |
573 | dev_info_list) { | |
1da177e4 LT |
574 | if (devinfo->compatible) { |
575 | /* | |
576 | * Behave like the older version of get_device_flags. | |
577 | */ | |
578 | size_t max; | |
579 | /* | |
580 | * XXX why skip leading spaces? If an odd INQUIRY | |
581 | * value, that should have been part of the | |
582 | * scsi_static_device_list[] entry, such as " FOO" | |
583 | * rather than "FOO". Since this code is already | |
584 | * here, and we don't know what device it is | |
585 | * trying to work with, leave it as-is. | |
586 | */ | |
587 | max = 8; /* max length of vendor */ | |
588 | while ((max > 0) && *vendor == ' ') { | |
589 | max--; | |
590 | vendor++; | |
591 | } | |
592 | /* | |
593 | * XXX removing the following strlen() would be | |
594 | * good, using it means that for a an entry not in | |
595 | * the list, we scan every byte of every vendor | |
596 | * listed in scsi_static_device_list[], and never match | |
597 | * a single one (and still have to compare at | |
598 | * least the first byte of each vendor). | |
599 | */ | |
600 | if (memcmp(devinfo->vendor, vendor, | |
601 | min(max, strlen(devinfo->vendor)))) | |
602 | continue; | |
603 | /* | |
604 | * Skip spaces again. | |
605 | */ | |
606 | max = 16; /* max length of model */ | |
607 | while ((max > 0) && *model == ' ') { | |
608 | max--; | |
609 | model++; | |
610 | } | |
611 | if (memcmp(devinfo->model, model, | |
612 | min(max, strlen(devinfo->model)))) | |
613 | continue; | |
614 | return devinfo->flags; | |
615 | } else { | |
616 | if (!memcmp(devinfo->vendor, vendor, | |
617 | sizeof(devinfo->vendor)) && | |
618 | !memcmp(devinfo->model, model, | |
619 | sizeof(devinfo->model))) | |
620 | return devinfo->flags; | |
621 | } | |
622 | } | |
598fa4b7 JB |
623 | /* nothing found, return nothing */ |
624 | if (key != SCSI_DEVINFO_GLOBAL) | |
625 | return 0; | |
626 | ||
627 | /* except for the global list, where we have an exception */ | |
628 | if (sdev->sdev_bflags) | |
629 | return sdev->sdev_bflags; | |
630 | ||
631 | return scsi_default_dev_flags; | |
1da177e4 | 632 | } |
598fa4b7 | 633 | EXPORT_SYMBOL(scsi_get_device_flags_keyed); |
1da177e4 LT |
634 | |
635 | #ifdef CONFIG_SCSI_PROC_FS | |
598fa4b7 JB |
636 | struct double_list { |
637 | struct list_head *top; | |
638 | struct list_head *bottom; | |
639 | }; | |
640 | ||
352ced8e | 641 | static int devinfo_seq_show(struct seq_file *m, void *v) |
1da177e4 | 642 | { |
598fa4b7 JB |
643 | struct double_list *dl = v; |
644 | struct scsi_dev_info_list_table *devinfo_table = | |
645 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
352ced8e | 646 | struct scsi_dev_info_list *devinfo = |
598fa4b7 JB |
647 | list_entry(dl->bottom, struct scsi_dev_info_list, |
648 | dev_info_list); | |
649 | ||
650 | if (devinfo_table->scsi_dev_info_list.next == dl->bottom && | |
651 | devinfo_table->name) | |
652 | seq_printf(m, "[%s]:\n", devinfo_table->name); | |
1da177e4 | 653 | |
352ced8e | 654 | seq_printf(m, "'%.8s' '%.16s' 0x%x\n", |
598fa4b7 | 655 | devinfo->vendor, devinfo->model, devinfo->flags); |
352ced8e AD |
656 | return 0; |
657 | } | |
658 | ||
598fa4b7 | 659 | static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos) |
352ced8e | 660 | { |
598fa4b7 JB |
661 | struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL); |
662 | loff_t pos = *ppos; | |
663 | ||
664 | if (!dl) | |
665 | return NULL; | |
666 | ||
667 | list_for_each(dl->top, &scsi_dev_info_list) { | |
668 | struct scsi_dev_info_list_table *devinfo_table = | |
669 | list_entry(dl->top, struct scsi_dev_info_list_table, | |
670 | node); | |
671 | list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list) | |
672 | if (pos-- == 0) | |
673 | return dl; | |
674 | } | |
675 | ||
676 | kfree(dl); | |
677 | return NULL; | |
352ced8e | 678 | } |
1da177e4 | 679 | |
598fa4b7 | 680 | static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos) |
352ced8e | 681 | { |
598fa4b7 JB |
682 | struct double_list *dl = v; |
683 | struct scsi_dev_info_list_table *devinfo_table = | |
684 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
685 | ||
686 | ++*ppos; | |
687 | dl->bottom = dl->bottom->next; | |
688 | while (&devinfo_table->scsi_dev_info_list == dl->bottom) { | |
689 | dl->top = dl->top->next; | |
690 | if (dl->top == &scsi_dev_info_list) { | |
691 | kfree(dl); | |
692 | return NULL; | |
693 | } | |
694 | devinfo_table = list_entry(dl->top, | |
695 | struct scsi_dev_info_list_table, | |
696 | node); | |
697 | dl->bottom = devinfo_table->scsi_dev_info_list.next; | |
698 | } | |
699 | ||
700 | return dl; | |
352ced8e AD |
701 | } |
702 | ||
703 | static void devinfo_seq_stop(struct seq_file *m, void *v) | |
704 | { | |
598fa4b7 | 705 | kfree(v); |
352ced8e AD |
706 | } |
707 | ||
708 | static const struct seq_operations scsi_devinfo_seq_ops = { | |
709 | .start = devinfo_seq_start, | |
710 | .next = devinfo_seq_next, | |
711 | .stop = devinfo_seq_stop, | |
712 | .show = devinfo_seq_show, | |
713 | }; | |
714 | ||
715 | static int proc_scsi_devinfo_open(struct inode *inode, struct file *file) | |
716 | { | |
717 | return seq_open(file, &scsi_devinfo_seq_ops); | |
1da177e4 LT |
718 | } |
719 | ||
720 | /* | |
eb44820c | 721 | * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc. |
1da177e4 | 722 | * |
eb44820c RL |
723 | * Description: Adds a black/white list entry for vendor and model with an |
724 | * integer value of flag to the scsi device info list. | |
725 | * To use, echo "vendor:model:flag" > /proc/scsi/device_info | |
1da177e4 | 726 | */ |
352ced8e AD |
727 | static ssize_t proc_scsi_devinfo_write(struct file *file, |
728 | const char __user *buf, | |
729 | size_t length, loff_t *ppos) | |
1da177e4 LT |
730 | { |
731 | char *buffer; | |
352ced8e | 732 | ssize_t err = length; |
1da177e4 LT |
733 | |
734 | if (!buf || length>PAGE_SIZE) | |
735 | return -EINVAL; | |
736 | if (!(buffer = (char *) __get_free_page(GFP_KERNEL))) | |
737 | return -ENOMEM; | |
738 | if (copy_from_user(buffer, buf, length)) { | |
739 | err =-EFAULT; | |
740 | goto out; | |
741 | } | |
742 | ||
743 | if (length < PAGE_SIZE) | |
744 | buffer[length] = '\0'; | |
745 | else if (buffer[PAGE_SIZE-1]) { | |
746 | err = -EINVAL; | |
747 | goto out; | |
748 | } | |
749 | ||
750 | scsi_dev_info_list_add_str(buffer); | |
751 | ||
752 | out: | |
753 | free_page((unsigned long)buffer); | |
754 | return err; | |
755 | } | |
352ced8e AD |
756 | |
757 | static const struct file_operations scsi_devinfo_proc_fops = { | |
758 | .owner = THIS_MODULE, | |
759 | .open = proc_scsi_devinfo_open, | |
760 | .read = seq_read, | |
761 | .write = proc_scsi_devinfo_write, | |
762 | .llseek = seq_lseek, | |
763 | .release = seq_release, | |
764 | }; | |
1da177e4 LT |
765 | #endif /* CONFIG_SCSI_PROC_FS */ |
766 | ||
767 | module_param_string(dev_flags, scsi_dev_flags, sizeof(scsi_dev_flags), 0); | |
768 | MODULE_PARM_DESC(dev_flags, | |
769 | "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white" | |
770 | " list entries for vendor and model with an integer value of flags" | |
771 | " to the scsi device info list"); | |
772 | ||
773 | module_param_named(default_dev_flags, scsi_default_dev_flags, int, S_IRUGO|S_IWUSR); | |
774 | MODULE_PARM_DESC(default_dev_flags, | |
775 | "scsi default device flag integer value"); | |
776 | ||
777 | /** | |
1acf3b06 | 778 | * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list |
1da177e4 LT |
779 | **/ |
780 | void scsi_exit_devinfo(void) | |
781 | { | |
1da177e4 LT |
782 | #ifdef CONFIG_SCSI_PROC_FS |
783 | remove_proc_entry("scsi/device_info", NULL); | |
784 | #endif | |
785 | ||
598fa4b7 JB |
786 | scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL); |
787 | } | |
788 | ||
789 | /** | |
790 | * scsi_dev_info_add_list - add a new devinfo list | |
791 | * @key: key of the list to add | |
792 | * @name: Name of the list to add (for /proc/scsi/device_info) | |
793 | * | |
794 | * Adds the requested list, returns zero on success, -EEXIST if the | |
795 | * key is already registered to a list, or other error on failure. | |
796 | */ | |
797 | int scsi_dev_info_add_list(int key, const char *name) | |
798 | { | |
799 | struct scsi_dev_info_list_table *devinfo_table = | |
800 | scsi_devinfo_lookup_by_key(key); | |
801 | ||
802 | if (!IS_ERR(devinfo_table)) | |
803 | /* list already exists */ | |
804 | return -EEXIST; | |
805 | ||
806 | devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL); | |
807 | ||
808 | if (!devinfo_table) | |
809 | return -ENOMEM; | |
810 | ||
811 | INIT_LIST_HEAD(&devinfo_table->node); | |
812 | INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list); | |
813 | devinfo_table->name = name; | |
814 | devinfo_table->key = key; | |
815 | list_add_tail(&devinfo_table->node, &scsi_dev_info_list); | |
816 | ||
817 | return 0; | |
818 | } | |
819 | EXPORT_SYMBOL(scsi_dev_info_add_list); | |
820 | ||
821 | /** | |
822 | * scsi_dev_info_remove_list - destroy an added devinfo list | |
823 | * @key: key of the list to destroy | |
824 | * | |
825 | * Iterates over the entire list first, freeing all the values, then | |
826 | * frees the list itself. Returns 0 on success or -EINVAL if the key | |
827 | * can't be found. | |
828 | */ | |
829 | int scsi_dev_info_remove_list(int key) | |
830 | { | |
831 | struct list_head *lh, *lh_next; | |
832 | struct scsi_dev_info_list_table *devinfo_table = | |
833 | scsi_devinfo_lookup_by_key(key); | |
834 | ||
835 | if (IS_ERR(devinfo_table)) | |
836 | /* no such list */ | |
837 | return -EINVAL; | |
838 | ||
839 | /* remove from the master list */ | |
840 | list_del(&devinfo_table->node); | |
841 | ||
842 | list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) { | |
843 | struct scsi_dev_info_list *devinfo; | |
844 | ||
1da177e4 LT |
845 | devinfo = list_entry(lh, struct scsi_dev_info_list, |
846 | dev_info_list); | |
847 | kfree(devinfo); | |
848 | } | |
598fa4b7 JB |
849 | kfree(devinfo_table); |
850 | ||
851 | return 0; | |
1da177e4 | 852 | } |
598fa4b7 | 853 | EXPORT_SYMBOL(scsi_dev_info_remove_list); |
1da177e4 LT |
854 | |
855 | /** | |
c93ff979 | 856 | * scsi_init_devinfo - set up the dynamic device list. |
1da177e4 LT |
857 | * |
858 | * Description: | |
eb44820c | 859 | * Add command line entries from scsi_dev_flags, then add |
1da177e4 | 860 | * scsi_static_device_list entries to the scsi device info list. |
eb44820c | 861 | */ |
1da177e4 LT |
862 | int __init scsi_init_devinfo(void) |
863 | { | |
864 | #ifdef CONFIG_SCSI_PROC_FS | |
865 | struct proc_dir_entry *p; | |
866 | #endif | |
867 | int error, i; | |
868 | ||
598fa4b7 | 869 | error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL); |
1da177e4 LT |
870 | if (error) |
871 | return error; | |
872 | ||
598fa4b7 JB |
873 | error = scsi_dev_info_list_add_str(scsi_dev_flags); |
874 | if (error) | |
875 | goto out; | |
876 | ||
1da177e4 LT |
877 | for (i = 0; scsi_static_device_list[i].vendor; i++) { |
878 | error = scsi_dev_info_list_add(1 /* compatibile */, | |
879 | scsi_static_device_list[i].vendor, | |
880 | scsi_static_device_list[i].model, | |
881 | NULL, | |
882 | scsi_static_device_list[i].flags); | |
883 | if (error) | |
884 | goto out; | |
885 | } | |
886 | ||
887 | #ifdef CONFIG_SCSI_PROC_FS | |
352ced8e | 888 | p = proc_create("scsi/device_info", 0, NULL, &scsi_devinfo_proc_fops); |
1da177e4 LT |
889 | if (!p) { |
890 | error = -ENOMEM; | |
891 | goto out; | |
892 | } | |
1da177e4 LT |
893 | #endif /* CONFIG_SCSI_PROC_FS */ |
894 | ||
895 | out: | |
896 | if (error) | |
897 | scsi_exit_devinfo(); | |
898 | return error; | |
899 | } |