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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}, | |
18990455 | 205 | {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC}, |
1da177e4 LT |
206 | {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, |
207 | {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN}, | |
208 | {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
209 | {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
210 | {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
211 | {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN}, | |
212 | {"MegaRAID", "LD", NULL, BLIST_FORCELUN}, | |
213 | {"MICROP", "4110", NULL, BLIST_NOTQ}, | |
198a956a | 214 | {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC}, |
1da177e4 LT |
215 | {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2}, |
216 | {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN}, | |
217 | {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
218 | {"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
219 | {"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
12427d99 | 220 | {"NEC", "iStorage", NULL, BLIST_REPORTLUN2}, |
1da177e4 LT |
221 | {"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
222 | {"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
223 | {"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
224 | {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
225 | {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
f4fd20bf | 226 | {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
0213436a | 227 | {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC}, |
e0b2e597 | 228 | {"Promise", "", NULL, BLIST_SPARSELUN}, |
35e9a9f9 | 229 | {"QNAP", "iSCSI Storage", NULL, BLIST_MAX_1024}, |
2ffb45c6 | 230 | {"QUANTUM", "XP34301", "1071", BLIST_NOTQ}, |
1da177e4 LT |
231 | {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN}, |
232 | {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN}, | |
233 | {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */ | |
234 | {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ}, | |
56f2a801 | 235 | {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES}, |
1da177e4 LT |
236 | {"SGI", "RAID3", "*", BLIST_SPARSELUN}, |
237 | {"SGI", "RAID5", "*", BLIST_SPARSELUN}, | |
238 | {"SGI", "TP9100", "*", BLIST_REPORTLUN2}, | |
239 | {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
48690405 | 240 | {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
debf4777 | 241 | {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
4aa312b9 | 242 | {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
1da177e4 LT |
243 | {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36}, |
244 | {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN}, | |
245 | {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */ | |
246 | {"ST650211", "CF", NULL, BLIST_RETRY_HWERROR}, | |
247 | {"SUN", "T300", "*", BLIST_SPARSELUN}, | |
248 | {"SUN", "T4", "*", BLIST_SPARSELUN}, | |
249 | {"TEXEL", "CD-ROM", "1.06", BLIST_BORKEN}, | |
5f619c5b | 250 | {"Tornado-", "F4", "*", BLIST_NOREPORTLUN}, |
1da177e4 LT |
251 | {"TOSHIBA", "CDROM", NULL, BLIST_ISROM}, |
252 | {"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM}, | |
82103978 | 253 | {"Traxdata", "CDR4120", NULL, BLIST_NOLUN}, /* locks up */ |
1da177e4 LT |
254 | {"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, |
255 | {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN}, | |
256 | {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN}, | |
257 | {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN}, | |
258 | {"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN}, | |
259 | {"XYRATEX", "RS", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
260 | {"Zzyzx", "RocketStor 500S", NULL, BLIST_SPARSELUN}, | |
261 | {"Zzyzx", "RocketStor 2000", NULL, BLIST_SPARSELUN}, | |
262 | { NULL, NULL, NULL, 0 }, | |
263 | }; | |
264 | ||
598fa4b7 JB |
265 | static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key) |
266 | { | |
267 | struct scsi_dev_info_list_table *devinfo_table; | |
268 | int found = 0; | |
269 | ||
270 | list_for_each_entry(devinfo_table, &scsi_dev_info_list, node) | |
271 | if (devinfo_table->key == key) { | |
272 | found = 1; | |
273 | break; | |
274 | } | |
275 | if (!found) | |
276 | return ERR_PTR(-EINVAL); | |
277 | ||
278 | return devinfo_table; | |
279 | } | |
280 | ||
1da177e4 LT |
281 | /* |
282 | * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into | |
283 | * devinfo vendor and model strings. | |
284 | */ | |
285 | static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, | |
286 | char *from, int compatible) | |
287 | { | |
288 | size_t from_length; | |
289 | ||
290 | from_length = strlen(from); | |
291 | strncpy(to, from, min(to_length, from_length)); | |
292 | if (from_length < to_length) { | |
293 | if (compatible) { | |
294 | /* | |
295 | * NUL terminate the string if it is short. | |
296 | */ | |
297 | to[from_length] = '\0'; | |
298 | } else { | |
299 | /* | |
300 | * space pad the string if it is short. | |
301 | */ | |
302 | strncpy(&to[from_length], spaces, | |
303 | to_length - from_length); | |
304 | } | |
305 | } | |
306 | if (from_length > to_length) | |
307 | printk(KERN_WARNING "%s: %s string '%s' is too long\n", | |
cadbd4a5 | 308 | __func__, name, from); |
1da177e4 LT |
309 | } |
310 | ||
311 | /** | |
eb44820c RL |
312 | * scsi_dev_info_list_add - add one dev_info list entry. |
313 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
1da177e4 LT |
314 | * @vendor: vendor string |
315 | * @model: model (product) string | |
316 | * @strflags: integer string | |
eb44820c | 317 | * @flags: if strflags NULL, use this flag value |
1da177e4 LT |
318 | * |
319 | * Description: | |
320 | * Create and add one dev_info entry for @vendor, @model, @strflags or | |
321 | * @flag. If @compatible, add to the tail of the list, do not space | |
322 | * pad, and set devinfo->compatible. The scsi_static_device_list entries | |
323 | * are added with @compatible 1 and @clfags NULL. | |
324 | * | |
325 | * Returns: 0 OK, -error on failure. | |
326 | **/ | |
327 | static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, | |
328 | char *strflags, int flags) | |
598fa4b7 JB |
329 | { |
330 | return scsi_dev_info_list_add_keyed(compatible, vendor, model, | |
331 | strflags, flags, | |
332 | SCSI_DEVINFO_GLOBAL); | |
333 | } | |
334 | ||
335 | /** | |
336 | * scsi_dev_info_list_add_keyed - add one dev_info list entry. | |
337 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
338 | * @vendor: vendor string | |
339 | * @model: model (product) string | |
340 | * @strflags: integer string | |
341 | * @flags: if strflags NULL, use this flag value | |
342 | * @key: specify list to use | |
343 | * | |
344 | * Description: | |
345 | * Create and add one dev_info entry for @vendor, @model, | |
346 | * @strflags or @flag in list specified by @key. If @compatible, | |
347 | * add to the tail of the list, do not space pad, and set | |
348 | * devinfo->compatible. The scsi_static_device_list entries are | |
349 | * added with @compatible 1 and @clfags NULL. | |
350 | * | |
351 | * Returns: 0 OK, -error on failure. | |
352 | **/ | |
353 | int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, | |
354 | char *strflags, int flags, int key) | |
1da177e4 LT |
355 | { |
356 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 JB |
357 | struct scsi_dev_info_list_table *devinfo_table = |
358 | scsi_devinfo_lookup_by_key(key); | |
359 | ||
360 | if (IS_ERR(devinfo_table)) | |
361 | return PTR_ERR(devinfo_table); | |
1da177e4 LT |
362 | |
363 | devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL); | |
364 | if (!devinfo) { | |
cadbd4a5 | 365 | printk(KERN_ERR "%s: no memory\n", __func__); |
1da177e4 LT |
366 | return -ENOMEM; |
367 | } | |
368 | ||
369 | scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor), | |
370 | vendor, compatible); | |
371 | scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model), | |
372 | model, compatible); | |
373 | ||
374 | if (strflags) | |
375 | devinfo->flags = simple_strtoul(strflags, NULL, 0); | |
376 | else | |
377 | devinfo->flags = flags; | |
378 | ||
379 | devinfo->compatible = compatible; | |
380 | ||
381 | if (compatible) | |
598fa4b7 JB |
382 | list_add_tail(&devinfo->dev_info_list, |
383 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 | 384 | else |
598fa4b7 JB |
385 | list_add(&devinfo->dev_info_list, |
386 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 LT |
387 | |
388 | return 0; | |
389 | } | |
598fa4b7 | 390 | EXPORT_SYMBOL(scsi_dev_info_list_add_keyed); |
1da177e4 | 391 | |
38a039be PJ |
392 | /** |
393 | * scsi_dev_info_list_del_keyed - remove one dev_info list entry. | |
394 | * @vendor: vendor string | |
395 | * @model: model (product) string | |
396 | * @key: specify list to use | |
397 | * | |
398 | * Description: | |
399 | * Remove and destroy one dev_info entry for @vendor, @model | |
400 | * in list specified by @key. | |
401 | * | |
402 | * Returns: 0 OK, -error on failure. | |
403 | **/ | |
404 | int scsi_dev_info_list_del_keyed(char *vendor, char *model, int key) | |
405 | { | |
406 | struct scsi_dev_info_list *devinfo, *found = NULL; | |
407 | struct scsi_dev_info_list_table *devinfo_table = | |
408 | scsi_devinfo_lookup_by_key(key); | |
409 | ||
410 | if (IS_ERR(devinfo_table)) | |
411 | return PTR_ERR(devinfo_table); | |
412 | ||
413 | list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, | |
414 | dev_info_list) { | |
415 | if (devinfo->compatible) { | |
416 | /* | |
417 | * Behave like the older version of get_device_flags. | |
418 | */ | |
419 | size_t max; | |
420 | /* | |
421 | * XXX why skip leading spaces? If an odd INQUIRY | |
422 | * value, that should have been part of the | |
423 | * scsi_static_device_list[] entry, such as " FOO" | |
424 | * rather than "FOO". Since this code is already | |
425 | * here, and we don't know what device it is | |
426 | * trying to work with, leave it as-is. | |
427 | */ | |
428 | max = 8; /* max length of vendor */ | |
429 | while ((max > 0) && *vendor == ' ') { | |
430 | max--; | |
431 | vendor++; | |
432 | } | |
433 | /* | |
434 | * XXX removing the following strlen() would be | |
435 | * good, using it means that for a an entry not in | |
436 | * the list, we scan every byte of every vendor | |
437 | * listed in scsi_static_device_list[], and never match | |
438 | * a single one (and still have to compare at | |
439 | * least the first byte of each vendor). | |
440 | */ | |
441 | if (memcmp(devinfo->vendor, vendor, | |
442 | min(max, strlen(devinfo->vendor)))) | |
443 | continue; | |
444 | /* | |
445 | * Skip spaces again. | |
446 | */ | |
447 | max = 16; /* max length of model */ | |
448 | while ((max > 0) && *model == ' ') { | |
449 | max--; | |
450 | model++; | |
451 | } | |
452 | if (memcmp(devinfo->model, model, | |
453 | min(max, strlen(devinfo->model)))) | |
454 | continue; | |
455 | found = devinfo; | |
456 | } else { | |
457 | if (!memcmp(devinfo->vendor, vendor, | |
458 | sizeof(devinfo->vendor)) && | |
459 | !memcmp(devinfo->model, model, | |
460 | sizeof(devinfo->model))) | |
461 | found = devinfo; | |
462 | } | |
463 | if (found) | |
464 | break; | |
465 | } | |
466 | ||
467 | if (found) { | |
468 | list_del(&found->dev_info_list); | |
469 | kfree(found); | |
470 | return 0; | |
471 | } | |
472 | ||
473 | return -ENOENT; | |
474 | } | |
475 | EXPORT_SYMBOL(scsi_dev_info_list_del_keyed); | |
476 | ||
1da177e4 | 477 | /** |
eb44820c | 478 | * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. |
1da177e4 LT |
479 | * @dev_list: string of device flags to add |
480 | * | |
481 | * Description: | |
482 | * Parse dev_list, and add entries to the scsi_dev_info_list. | |
483 | * dev_list is of the form "vendor:product:flag,vendor:product:flag". | |
484 | * dev_list is modified via strsep. Can be called for command line | |
485 | * addition, for proc or mabye a sysfs interface. | |
486 | * | |
487 | * Returns: 0 if OK, -error on failure. | |
488 | **/ | |
489 | static int scsi_dev_info_list_add_str(char *dev_list) | |
490 | { | |
491 | char *vendor, *model, *strflags, *next; | |
492 | char *next_check; | |
493 | int res = 0; | |
494 | ||
495 | next = dev_list; | |
496 | if (next && next[0] == '"') { | |
497 | /* | |
498 | * Ignore both the leading and trailing quote. | |
499 | */ | |
500 | next++; | |
501 | next_check = ",\""; | |
502 | } else { | |
503 | next_check = ","; | |
504 | } | |
505 | ||
506 | /* | |
507 | * For the leading and trailing '"' case, the for loop comes | |
508 | * through the last time with vendor[0] == '\0'. | |
509 | */ | |
510 | for (vendor = strsep(&next, ":"); vendor && (vendor[0] != '\0') | |
511 | && (res == 0); vendor = strsep(&next, ":")) { | |
512 | strflags = NULL; | |
513 | model = strsep(&next, ":"); | |
514 | if (model) | |
515 | strflags = strsep(&next, next_check); | |
516 | if (!model || !strflags) { | |
517 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" | |
cadbd4a5 | 518 | " '%s'\n", __func__, vendor, model, |
1da177e4 LT |
519 | strflags); |
520 | res = -EINVAL; | |
521 | } else | |
522 | res = scsi_dev_info_list_add(0 /* compatible */, vendor, | |
523 | model, strflags, 0); | |
524 | } | |
525 | return res; | |
526 | } | |
527 | ||
528 | /** | |
eb44820c RL |
529 | * get_device_flags - get device specific flags from the dynamic device list. |
530 | * @sdev: &scsi_device to get flags for | |
1da177e4 LT |
531 | * @vendor: vendor name |
532 | * @model: model name | |
533 | * | |
534 | * Description: | |
598fa4b7 JB |
535 | * Search the global scsi_dev_info_list (specified by list zero) |
536 | * for an entry matching @vendor and @model, if found, return the | |
537 | * matching flags value, else return the host or global default | |
538 | * settings. Called during scan time. | |
1da177e4 | 539 | **/ |
7f23e146 JB |
540 | int scsi_get_device_flags(struct scsi_device *sdev, |
541 | const unsigned char *vendor, | |
542 | const unsigned char *model) | |
598fa4b7 JB |
543 | { |
544 | return scsi_get_device_flags_keyed(sdev, vendor, model, | |
545 | SCSI_DEVINFO_GLOBAL); | |
546 | } | |
547 | ||
548 | ||
549 | /** | |
1acf3b06 | 550 | * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list |
598fa4b7 JB |
551 | * @sdev: &scsi_device to get flags for |
552 | * @vendor: vendor name | |
553 | * @model: model name | |
554 | * @key: list to look up | |
555 | * | |
556 | * Description: | |
557 | * Search the scsi_dev_info_list specified by @key for an entry | |
558 | * matching @vendor and @model, if found, return the matching | |
559 | * flags value, else return the host or global default settings. | |
560 | * Called during scan time. | |
561 | **/ | |
562 | int scsi_get_device_flags_keyed(struct scsi_device *sdev, | |
563 | const unsigned char *vendor, | |
564 | const unsigned char *model, | |
565 | int key) | |
1da177e4 LT |
566 | { |
567 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 JB |
568 | struct scsi_dev_info_list_table *devinfo_table; |
569 | ||
570 | devinfo_table = scsi_devinfo_lookup_by_key(key); | |
1da177e4 | 571 | |
598fa4b7 JB |
572 | if (IS_ERR(devinfo_table)) |
573 | return PTR_ERR(devinfo_table); | |
1da177e4 | 574 | |
598fa4b7 JB |
575 | list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, |
576 | dev_info_list) { | |
1da177e4 LT |
577 | if (devinfo->compatible) { |
578 | /* | |
579 | * Behave like the older version of get_device_flags. | |
580 | */ | |
581 | size_t max; | |
582 | /* | |
583 | * XXX why skip leading spaces? If an odd INQUIRY | |
584 | * value, that should have been part of the | |
585 | * scsi_static_device_list[] entry, such as " FOO" | |
586 | * rather than "FOO". Since this code is already | |
587 | * here, and we don't know what device it is | |
588 | * trying to work with, leave it as-is. | |
589 | */ | |
590 | max = 8; /* max length of vendor */ | |
591 | while ((max > 0) && *vendor == ' ') { | |
592 | max--; | |
593 | vendor++; | |
594 | } | |
595 | /* | |
596 | * XXX removing the following strlen() would be | |
597 | * good, using it means that for a an entry not in | |
598 | * the list, we scan every byte of every vendor | |
599 | * listed in scsi_static_device_list[], and never match | |
600 | * a single one (and still have to compare at | |
601 | * least the first byte of each vendor). | |
602 | */ | |
603 | if (memcmp(devinfo->vendor, vendor, | |
604 | min(max, strlen(devinfo->vendor)))) | |
605 | continue; | |
606 | /* | |
607 | * Skip spaces again. | |
608 | */ | |
609 | max = 16; /* max length of model */ | |
610 | while ((max > 0) && *model == ' ') { | |
611 | max--; | |
612 | model++; | |
613 | } | |
614 | if (memcmp(devinfo->model, model, | |
615 | min(max, strlen(devinfo->model)))) | |
616 | continue; | |
617 | return devinfo->flags; | |
618 | } else { | |
619 | if (!memcmp(devinfo->vendor, vendor, | |
620 | sizeof(devinfo->vendor)) && | |
621 | !memcmp(devinfo->model, model, | |
622 | sizeof(devinfo->model))) | |
623 | return devinfo->flags; | |
624 | } | |
625 | } | |
598fa4b7 JB |
626 | /* nothing found, return nothing */ |
627 | if (key != SCSI_DEVINFO_GLOBAL) | |
628 | return 0; | |
629 | ||
630 | /* except for the global list, where we have an exception */ | |
631 | if (sdev->sdev_bflags) | |
632 | return sdev->sdev_bflags; | |
633 | ||
634 | return scsi_default_dev_flags; | |
1da177e4 | 635 | } |
598fa4b7 | 636 | EXPORT_SYMBOL(scsi_get_device_flags_keyed); |
1da177e4 LT |
637 | |
638 | #ifdef CONFIG_SCSI_PROC_FS | |
598fa4b7 JB |
639 | struct double_list { |
640 | struct list_head *top; | |
641 | struct list_head *bottom; | |
642 | }; | |
643 | ||
352ced8e | 644 | static int devinfo_seq_show(struct seq_file *m, void *v) |
1da177e4 | 645 | { |
598fa4b7 JB |
646 | struct double_list *dl = v; |
647 | struct scsi_dev_info_list_table *devinfo_table = | |
648 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
352ced8e | 649 | struct scsi_dev_info_list *devinfo = |
598fa4b7 JB |
650 | list_entry(dl->bottom, struct scsi_dev_info_list, |
651 | dev_info_list); | |
652 | ||
653 | if (devinfo_table->scsi_dev_info_list.next == dl->bottom && | |
654 | devinfo_table->name) | |
655 | seq_printf(m, "[%s]:\n", devinfo_table->name); | |
1da177e4 | 656 | |
352ced8e | 657 | seq_printf(m, "'%.8s' '%.16s' 0x%x\n", |
598fa4b7 | 658 | devinfo->vendor, devinfo->model, devinfo->flags); |
352ced8e AD |
659 | return 0; |
660 | } | |
661 | ||
598fa4b7 | 662 | static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos) |
352ced8e | 663 | { |
598fa4b7 JB |
664 | struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL); |
665 | loff_t pos = *ppos; | |
666 | ||
667 | if (!dl) | |
668 | return NULL; | |
669 | ||
670 | list_for_each(dl->top, &scsi_dev_info_list) { | |
671 | struct scsi_dev_info_list_table *devinfo_table = | |
672 | list_entry(dl->top, struct scsi_dev_info_list_table, | |
673 | node); | |
674 | list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list) | |
675 | if (pos-- == 0) | |
676 | return dl; | |
677 | } | |
678 | ||
679 | kfree(dl); | |
680 | return NULL; | |
352ced8e | 681 | } |
1da177e4 | 682 | |
598fa4b7 | 683 | static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos) |
352ced8e | 684 | { |
598fa4b7 JB |
685 | struct double_list *dl = v; |
686 | struct scsi_dev_info_list_table *devinfo_table = | |
687 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
688 | ||
689 | ++*ppos; | |
690 | dl->bottom = dl->bottom->next; | |
691 | while (&devinfo_table->scsi_dev_info_list == dl->bottom) { | |
692 | dl->top = dl->top->next; | |
693 | if (dl->top == &scsi_dev_info_list) { | |
694 | kfree(dl); | |
695 | return NULL; | |
696 | } | |
697 | devinfo_table = list_entry(dl->top, | |
698 | struct scsi_dev_info_list_table, | |
699 | node); | |
700 | dl->bottom = devinfo_table->scsi_dev_info_list.next; | |
701 | } | |
702 | ||
703 | return dl; | |
352ced8e AD |
704 | } |
705 | ||
706 | static void devinfo_seq_stop(struct seq_file *m, void *v) | |
707 | { | |
598fa4b7 | 708 | kfree(v); |
352ced8e AD |
709 | } |
710 | ||
711 | static const struct seq_operations scsi_devinfo_seq_ops = { | |
712 | .start = devinfo_seq_start, | |
713 | .next = devinfo_seq_next, | |
714 | .stop = devinfo_seq_stop, | |
715 | .show = devinfo_seq_show, | |
716 | }; | |
717 | ||
718 | static int proc_scsi_devinfo_open(struct inode *inode, struct file *file) | |
719 | { | |
720 | return seq_open(file, &scsi_devinfo_seq_ops); | |
1da177e4 LT |
721 | } |
722 | ||
723 | /* | |
eb44820c | 724 | * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc. |
1da177e4 | 725 | * |
eb44820c RL |
726 | * Description: Adds a black/white list entry for vendor and model with an |
727 | * integer value of flag to the scsi device info list. | |
728 | * To use, echo "vendor:model:flag" > /proc/scsi/device_info | |
1da177e4 | 729 | */ |
352ced8e AD |
730 | static ssize_t proc_scsi_devinfo_write(struct file *file, |
731 | const char __user *buf, | |
732 | size_t length, loff_t *ppos) | |
1da177e4 LT |
733 | { |
734 | char *buffer; | |
352ced8e | 735 | ssize_t err = length; |
1da177e4 LT |
736 | |
737 | if (!buf || length>PAGE_SIZE) | |
738 | return -EINVAL; | |
739 | if (!(buffer = (char *) __get_free_page(GFP_KERNEL))) | |
740 | return -ENOMEM; | |
741 | if (copy_from_user(buffer, buf, length)) { | |
742 | err =-EFAULT; | |
743 | goto out; | |
744 | } | |
745 | ||
746 | if (length < PAGE_SIZE) | |
747 | buffer[length] = '\0'; | |
748 | else if (buffer[PAGE_SIZE-1]) { | |
749 | err = -EINVAL; | |
750 | goto out; | |
751 | } | |
752 | ||
753 | scsi_dev_info_list_add_str(buffer); | |
754 | ||
755 | out: | |
756 | free_page((unsigned long)buffer); | |
757 | return err; | |
758 | } | |
352ced8e AD |
759 | |
760 | static const struct file_operations scsi_devinfo_proc_fops = { | |
761 | .owner = THIS_MODULE, | |
762 | .open = proc_scsi_devinfo_open, | |
763 | .read = seq_read, | |
764 | .write = proc_scsi_devinfo_write, | |
765 | .llseek = seq_lseek, | |
766 | .release = seq_release, | |
767 | }; | |
1da177e4 LT |
768 | #endif /* CONFIG_SCSI_PROC_FS */ |
769 | ||
770 | module_param_string(dev_flags, scsi_dev_flags, sizeof(scsi_dev_flags), 0); | |
771 | MODULE_PARM_DESC(dev_flags, | |
772 | "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white" | |
773 | " list entries for vendor and model with an integer value of flags" | |
774 | " to the scsi device info list"); | |
775 | ||
776 | module_param_named(default_dev_flags, scsi_default_dev_flags, int, S_IRUGO|S_IWUSR); | |
777 | MODULE_PARM_DESC(default_dev_flags, | |
778 | "scsi default device flag integer value"); | |
779 | ||
780 | /** | |
1acf3b06 | 781 | * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list |
1da177e4 LT |
782 | **/ |
783 | void scsi_exit_devinfo(void) | |
784 | { | |
1da177e4 LT |
785 | #ifdef CONFIG_SCSI_PROC_FS |
786 | remove_proc_entry("scsi/device_info", NULL); | |
787 | #endif | |
788 | ||
598fa4b7 JB |
789 | scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL); |
790 | } | |
791 | ||
792 | /** | |
793 | * scsi_dev_info_add_list - add a new devinfo list | |
794 | * @key: key of the list to add | |
795 | * @name: Name of the list to add (for /proc/scsi/device_info) | |
796 | * | |
797 | * Adds the requested list, returns zero on success, -EEXIST if the | |
798 | * key is already registered to a list, or other error on failure. | |
799 | */ | |
800 | int scsi_dev_info_add_list(int key, const char *name) | |
801 | { | |
802 | struct scsi_dev_info_list_table *devinfo_table = | |
803 | scsi_devinfo_lookup_by_key(key); | |
804 | ||
805 | if (!IS_ERR(devinfo_table)) | |
806 | /* list already exists */ | |
807 | return -EEXIST; | |
808 | ||
809 | devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL); | |
810 | ||
811 | if (!devinfo_table) | |
812 | return -ENOMEM; | |
813 | ||
814 | INIT_LIST_HEAD(&devinfo_table->node); | |
815 | INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list); | |
816 | devinfo_table->name = name; | |
817 | devinfo_table->key = key; | |
818 | list_add_tail(&devinfo_table->node, &scsi_dev_info_list); | |
819 | ||
820 | return 0; | |
821 | } | |
822 | EXPORT_SYMBOL(scsi_dev_info_add_list); | |
823 | ||
824 | /** | |
825 | * scsi_dev_info_remove_list - destroy an added devinfo list | |
826 | * @key: key of the list to destroy | |
827 | * | |
828 | * Iterates over the entire list first, freeing all the values, then | |
829 | * frees the list itself. Returns 0 on success or -EINVAL if the key | |
830 | * can't be found. | |
831 | */ | |
832 | int scsi_dev_info_remove_list(int key) | |
833 | { | |
834 | struct list_head *lh, *lh_next; | |
835 | struct scsi_dev_info_list_table *devinfo_table = | |
836 | scsi_devinfo_lookup_by_key(key); | |
837 | ||
838 | if (IS_ERR(devinfo_table)) | |
839 | /* no such list */ | |
840 | return -EINVAL; | |
841 | ||
842 | /* remove from the master list */ | |
843 | list_del(&devinfo_table->node); | |
844 | ||
845 | list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) { | |
846 | struct scsi_dev_info_list *devinfo; | |
847 | ||
1da177e4 LT |
848 | devinfo = list_entry(lh, struct scsi_dev_info_list, |
849 | dev_info_list); | |
850 | kfree(devinfo); | |
851 | } | |
598fa4b7 JB |
852 | kfree(devinfo_table); |
853 | ||
854 | return 0; | |
1da177e4 | 855 | } |
598fa4b7 | 856 | EXPORT_SYMBOL(scsi_dev_info_remove_list); |
1da177e4 LT |
857 | |
858 | /** | |
c93ff979 | 859 | * scsi_init_devinfo - set up the dynamic device list. |
1da177e4 LT |
860 | * |
861 | * Description: | |
eb44820c | 862 | * Add command line entries from scsi_dev_flags, then add |
1da177e4 | 863 | * scsi_static_device_list entries to the scsi device info list. |
eb44820c | 864 | */ |
1da177e4 LT |
865 | int __init scsi_init_devinfo(void) |
866 | { | |
867 | #ifdef CONFIG_SCSI_PROC_FS | |
868 | struct proc_dir_entry *p; | |
869 | #endif | |
870 | int error, i; | |
871 | ||
598fa4b7 | 872 | error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL); |
1da177e4 LT |
873 | if (error) |
874 | return error; | |
875 | ||
598fa4b7 JB |
876 | error = scsi_dev_info_list_add_str(scsi_dev_flags); |
877 | if (error) | |
878 | goto out; | |
879 | ||
1da177e4 LT |
880 | for (i = 0; scsi_static_device_list[i].vendor; i++) { |
881 | error = scsi_dev_info_list_add(1 /* compatibile */, | |
882 | scsi_static_device_list[i].vendor, | |
883 | scsi_static_device_list[i].model, | |
884 | NULL, | |
885 | scsi_static_device_list[i].flags); | |
886 | if (error) | |
887 | goto out; | |
888 | } | |
889 | ||
890 | #ifdef CONFIG_SCSI_PROC_FS | |
352ced8e | 891 | p = proc_create("scsi/device_info", 0, NULL, &scsi_devinfo_proc_fops); |
1da177e4 LT |
892 | if (!p) { |
893 | error = -ENOMEM; | |
894 | goto out; | |
895 | } | |
1da177e4 LT |
896 | #endif /* CONFIG_SCSI_PROC_FS */ |
897 | ||
898 | out: | |
899 | if (error) | |
900 | scsi_exit_devinfo(); | |
901 | return error; | |
902 | } |