Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | |
3 | #include <linux/blkdev.h> | |
4 | #include <linux/init.h> | |
5 | #include <linux/kernel.h> | |
6 | #include <linux/module.h> | |
7 | #include <linux/moduleparam.h> | |
8 | #include <linux/proc_fs.h> | |
9 | #include <linux/seq_file.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
1da177e4 LT |
11 | |
12 | #include <scsi/scsi_device.h> | |
13 | #include <scsi/scsi_devinfo.h> | |
14 | ||
15 | #include "scsi_priv.h" | |
16 | ||
17 | ||
18 | /* | |
19 | * scsi_dev_info_list: structure to hold black/white listed devices. | |
20 | */ | |
21 | struct scsi_dev_info_list { | |
22 | struct list_head dev_info_list; | |
23 | char vendor[8]; | |
24 | char model[16]; | |
5ebde469 | 25 | blist_flags_t flags; |
1da177e4 LT |
26 | unsigned compatible; /* for use with scsi_static_device_list entries */ |
27 | }; | |
28 | ||
598fa4b7 JB |
29 | struct scsi_dev_info_list_table { |
30 | struct list_head node; /* our node for being on the master list */ | |
31 | struct list_head scsi_dev_info_list; /* head of dev info list */ | |
32 | const char *name; /* name of list for /proc (NULL for global) */ | |
33 | int key; /* unique numeric identifier */ | |
34 | }; | |
35 | ||
1da177e4 LT |
36 | |
37 | static const char spaces[] = " "; /* 16 of them */ | |
5ebde469 | 38 | static blist_flags_t scsi_default_dev_flags; |
1da177e4 LT |
39 | static LIST_HEAD(scsi_dev_info_list); |
40 | static char scsi_dev_flags[256]; | |
41 | ||
42 | /* | |
43 | * scsi_static_device_list: deprecated list of devices that require | |
44 | * settings that differ from the default, includes black-listed (broken) | |
45 | * devices. The entries here are added to the tail of scsi_dev_info_list | |
46 | * via scsi_dev_info_list_init. | |
47 | * | |
48 | * Do not add to this list, use the command line or proc interface to add | |
49 | * to the scsi_dev_info_list. This table will eventually go away. | |
50 | */ | |
51 | static struct { | |
52 | char *vendor; | |
53 | char *model; | |
54 | char *revision; /* revision known to be bad, unused */ | |
5ebde469 | 55 | blist_flags_t flags; |
1da177e4 LT |
56 | } scsi_static_device_list[] __initdata = { |
57 | /* | |
58 | * The following devices are known not to tolerate a lun != 0 scan | |
59 | * for one reason or another. Some will respond to all luns, | |
60 | * others will lock up. | |
61 | */ | |
62 | {"Aashima", "IMAGERY 2400SP", "1.03", BLIST_NOLUN}, /* locks up */ | |
63 | {"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN}, /* locks up */ | |
64 | {"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN}, /* locks up */ | |
65 | {"DENON", "DRD-25X", "V", BLIST_NOLUN}, /* locks up */ | |
66 | {"HITACHI", "DK312C", "CM81", BLIST_NOLUN}, /* responds to all lun */ | |
67 | {"HITACHI", "DK314C", "CR21", BLIST_NOLUN}, /* responds to all lun */ | |
f2536cbd BK |
68 | {"IBM", "2104-DU3", NULL, BLIST_NOLUN}, /* locks up */ |
69 | {"IBM", "2104-TU3", NULL, BLIST_NOLUN}, /* locks up */ | |
1da177e4 LT |
70 | {"IMS", "CDD521/10", "2.06", BLIST_NOLUN}, /* locks up */ |
71 | {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN}, /* locks up */ | |
72 | {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN}, /* locks up */ | |
73 | {"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN}, /* locks up */ | |
74 | {"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN}, /* locks up */ | |
75 | {"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN}, /* locks up */ | |
76 | {"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN}, /* responds to all lun */ | |
77 | {"MICROTEK", "ScanMakerIII", "2.30", BLIST_NOLUN}, /* responds to all lun */ | |
78 | {"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},/* locks up */ | |
79 | {"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN}, /* responds to all lun */ | |
80 | {"RODIME", "RO3000S", "2.33", BLIST_NOLUN}, /* locks up */ | |
81 | {"SUN", "SENA", NULL, BLIST_NOLUN}, /* responds to all luns */ | |
82 | /* | |
83 | * The following causes a failed REQUEST SENSE on lun 1 for | |
84 | * aha152x controller, which causes SCSI code to reset bus. | |
85 | */ | |
86 | {"SANYO", "CRD-250S", "1.20", BLIST_NOLUN}, | |
87 | /* | |
88 | * The following causes a failed REQUEST SENSE on lun 1 for | |
89 | * aha152x controller, which causes SCSI code to reset bus. | |
90 | */ | |
91 | {"SEAGATE", "ST157N", "\004|j", BLIST_NOLUN}, | |
92 | {"SEAGATE", "ST296", "921", BLIST_NOLUN}, /* responds to all lun */ | |
93 | {"SEAGATE", "ST1581", "6538", BLIST_NOLUN}, /* responds to all lun */ | |
94 | {"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN}, | |
95 | {"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN}, | |
96 | {"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN}, | |
97 | {"SONY", "CD-ROM CDU-8012", NULL, BLIST_NOLUN}, | |
98 | {"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN}, | |
99 | {"TANDBERG", "TDC 3600", "U07", BLIST_NOLUN}, /* locks up */ | |
100 | {"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN}, /* locks up */ | |
101 | /* | |
102 | * The following causes a failed REQUEST SENSE on lun 1 for | |
103 | * seagate controller, which causes SCSI code to reset bus. | |
104 | */ | |
105 | {"TEAC", "CD-ROM", "1.06", BLIST_NOLUN}, | |
106 | {"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN}, /* responds to all lun */ | |
107 | /* | |
108 | * The following causes a failed REQUEST SENSE on lun 1 for | |
109 | * seagate controller, which causes SCSI code to reset bus. | |
110 | */ | |
111 | {"HP", "C1750A", "3226", BLIST_NOLUN}, /* scanjet iic */ | |
112 | {"HP", "C1790A", "", BLIST_NOLUN}, /* scanjet iip */ | |
113 | {"HP", "C2500A", "", BLIST_NOLUN}, /* scanjet iicx */ | |
114 | {"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN}, /* locks up */ | |
115 | {"MICROTEK", "ScanMaker II", "5.61", BLIST_NOLUN}, /* responds to all lun */ | |
116 | {"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN}, /* locks up */ | |
117 | {"NEC", "D3856", "0009", BLIST_NOLUN}, | |
118 | {"QUANTUM", "LPS525S", "3110", BLIST_NOLUN}, /* locks up */ | |
119 | {"QUANTUM", "PD1225S", "3110", BLIST_NOLUN}, /* locks up */ | |
120 | {"QUANTUM", "FIREBALL ST4.3S", "0F0C", BLIST_NOLUN}, /* locks up */ | |
121 | {"RELISYS", "Scorpio", NULL, BLIST_NOLUN}, /* responds to all lun */ | |
122 | {"SANKYO", "CP525", "6.64", BLIST_NOLUN}, /* causes failed REQ SENSE, extra reset */ | |
123 | {"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN}, | |
1c536315 | 124 | {"transtec", "T5008", "0001", BLIST_NOREPORTLUN }, |
1da177e4 LT |
125 | {"YAMAHA", "CDR100", "1.00", BLIST_NOLUN}, /* locks up */ |
126 | {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN}, /* locks up */ | |
127 | {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN}, /* locks up */ | |
128 | {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN}, /* locks up */ | |
0d7323c8 | 129 | {"", "Scanner", "1.80", BLIST_NOLUN}, /* responds to all lun */ |
1da177e4 LT |
130 | |
131 | /* | |
132 | * Other types of devices that have special flags. | |
133 | * Note that all USB devices should have the BLIST_INQUIRY_36 flag. | |
134 | */ | |
135 | {"3PARdata", "VV", NULL, BLIST_REPORTLUN2}, | |
136 | {"ADAPTEC", "AACRAID", NULL, BLIST_FORCELUN}, | |
137 | {"ADAPTEC", "Adaptec 5400S", NULL, BLIST_FORCELUN}, | |
c1a7b647 | 138 | {"AIX", "VDASD", NULL, BLIST_TRY_VPD_PAGES}, |
1da177e4 LT |
139 | {"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN}, |
140 | {"BELKIN", "USB 2 HS-CF", "1.95", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
80dc3e06 | 141 | {"BROWNIE", "1200U3P", NULL, BLIST_NOREPORTLUN}, |
98acfc7e | 142 | {"BROWNIE", "1600U3P", NULL, BLIST_NOREPORTLUN}, |
1da177e4 LT |
143 | {"CANON", "IPUBJD", NULL, BLIST_SPARSELUN}, |
144 | {"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
145 | {"CMD", "CRA-7280", NULL, BLIST_SPARSELUN}, /* CMD RAID Controller */ | |
146 | {"CNSI", "G7324", NULL, BLIST_SPARSELUN}, /* Chaparral G7324 RAID */ | |
147 | {"CNSi", "G8324", NULL, BLIST_SPARSELUN}, /* Chaparral G8324 RAID */ | |
4d7db04a JB |
148 | {"COMPAQ", "ARRAY CONTROLLER", NULL, BLIST_SPARSELUN | BLIST_LARGELUN | |
149 | BLIST_MAX_512 | BLIST_REPORTLUN2}, /* Compaq RA4x00 */ | |
150 | {"COMPAQ", "LOGICAL VOLUME", NULL, BLIST_FORCELUN | BLIST_MAX_512}, /* Compaq RA4x00 */ | |
1da177e4 LT |
151 | {"COMPAQ", "CR3500", NULL, BLIST_FORCELUN}, |
152 | {"COMPAQ", "MSA1000", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD}, | |
153 | {"COMPAQ", "MSA1000 VOLUME", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD}, | |
154 | {"COMPAQ", "HSV110", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, | |
155 | {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN}, | |
507caac7 | 156 | {"DEC", "HSG80", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, |
1da177e4 LT |
157 | {"DELL", "PV660F", NULL, BLIST_SPARSELUN}, |
158 | {"DELL", "PV660F PSEUDO", NULL, BLIST_SPARSELUN}, | |
159 | {"DELL", "PSEUDO DEVICE .", NULL, BLIST_SPARSELUN}, /* Dell PV 530F */ | |
160 | {"DELL", "PV530F", NULL, BLIST_SPARSELUN}, | |
161 | {"DELL", "PERCRAID", NULL, BLIST_FORCELUN}, | |
0b7509c7 XVP |
162 | {"DGC", "RAID", NULL, BLIST_SPARSELUN}, /* EMC CLARiiON, storage on LUN 0 */ |
163 | {"DGC", "DISK", NULL, BLIST_SPARSELUN}, /* EMC CLARiiON, no storage on LUN 0 */ | |
3441afc6 | 164 | {"EMC", "Invista", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
909cf3e1 | 165 | {"EMC", "SYMMETRIX", NULL, BLIST_SPARSELUN | BLIST_LARGELUN | BLIST_REPORTLUN2}, |
1da177e4 | 166 | {"EMULEX", "MD21/S2 ESDI", NULL, BLIST_SINGLELUN}, |
80b1c7bd | 167 | {"easyRAID", "16P", NULL, BLIST_NOREPORTLUN}, |
168 | {"easyRAID", "X6P", NULL, BLIST_NOREPORTLUN}, | |
169 | {"easyRAID", "F8", NULL, BLIST_NOREPORTLUN}, | |
1da177e4 LT |
170 | {"FSC", "CentricStor", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
171 | {"Generic", "USB SD Reader", "1.00", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
172 | {"Generic", "USB Storage-SMC", "0180", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
173 | {"Generic", "USB Storage-SMC", "0207", BLIST_FORCELUN | BLIST_INQUIRY_36}, | |
627511e3 TY |
174 | {"HITACHI", "DF400", "*", BLIST_REPORTLUN2}, |
175 | {"HITACHI", "DF500", "*", BLIST_REPORTLUN2}, | |
176 | {"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2}, | |
d974e426 | 177 | {"HITACHI", "HUS1530", "*", BLIST_NO_DIF}, |
56f3d383 | 178 | {"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES}, |
f70cfa9b MC |
179 | {"HITACHI", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
180 | {"HITACHI", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
181 | {"HITACHI", "3390-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
182 | {"HITACHI", "6586-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
183 | {"HITACHI", "6588-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
1da177e4 | 184 | {"HP", "A6189A", NULL, BLIST_SPARSELUN | BLIST_LARGELUN}, /* HP VA7400 */ |
b369a047 | 185 | {"HP", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES}, /* HP XP Arrays */ |
1da177e4 LT |
186 | {"HP", "NetRAID-4M", NULL, BLIST_FORCELUN}, |
187 | {"HP", "HSV100", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD}, | |
188 | {"HP", "C1557A", NULL, BLIST_FORCELUN}, | |
189 | {"HP", "C3323-300", "4269", BLIST_NOTQ}, | |
c3d83368 | 190 | {"HP", "C5713A", NULL, BLIST_NOREPORTLUN}, |
41764fa6 XVP |
191 | {"HP", "DF400", "*", BLIST_REPORTLUN2}, |
192 | {"HP", "DF500", "*", BLIST_REPORTLUN2}, | |
f70cfa9b MC |
193 | {"HP", "OP-C-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, |
194 | {"HP", "3380-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
195 | {"HP", "3390-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
196 | {"HP", "6586-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
197 | {"HP", "6588-", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
1da177e4 LT |
198 | {"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN}, |
199 | {"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
200 | {"IBM", "2105", NULL, BLIST_RETRY_HWERROR}, | |
201 | {"iomega", "jaz 1GB", "J.86", BLIST_NOTQ | BLIST_NOLUN}, | |
82103978 | 202 | {"IOMEGA", "ZIP", NULL, BLIST_NOTQ | BLIST_NOLUN}, |
1da177e4 LT |
203 | {"IOMEGA", "Io20S *F", NULL, BLIST_KEY}, |
204 | {"INSITE", "Floptical F*8I", NULL, BLIST_KEY}, | |
205 | {"INSITE", "I325VM", NULL, BLIST_KEY}, | |
18990455 | 206 | {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC}, |
1da177e4 LT |
207 | {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, |
208 | {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN}, | |
82c43310 | 209 | {"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES}, |
fb2d65d2 | 210 | {"Marvell", "91xx Config", "1.01", BLIST_SKIP_VPD_PAGES}, |
1da177e4 LT |
211 | {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
212 | {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
213 | {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36}, | |
214 | {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN}, | |
215 | {"MegaRAID", "LD", NULL, BLIST_FORCELUN}, | |
216 | {"MICROP", "4110", NULL, BLIST_NOTQ}, | |
198a956a | 217 | {"MSFT", "Virtual HD", NULL, BLIST_NO_RSOC}, |
1da177e4 LT |
218 | {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2}, |
219 | {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN}, | |
220 | {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
221 | {"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
222 | {"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
12427d99 | 223 | {"NEC", "iStorage", NULL, BLIST_REPORTLUN2}, |
1da177e4 LT |
224 | {"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
225 | {"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
226 | {"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
227 | {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
228 | {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, | |
f4fd20bf | 229 | {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN}, |
0213436a | 230 | {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC}, |
e0b2e597 | 231 | {"Promise", "", NULL, BLIST_SPARSELUN}, |
fbd83006 | 232 | {"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES}, |
35e9a9f9 | 233 | {"QNAP", "iSCSI Storage", NULL, BLIST_MAX_1024}, |
9055082f | 234 | {"SYNOLOGY", "iSCSI Storage", NULL, BLIST_MAX_1024}, |
2ffb45c6 | 235 | {"QUANTUM", "XP34301", "1071", BLIST_NOTQ}, |
1da177e4 LT |
236 | {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN}, |
237 | {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN}, | |
238 | {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */ | |
239 | {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ}, | |
56f2a801 | 240 | {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES}, |
1da177e4 LT |
241 | {"SGI", "RAID3", "*", BLIST_SPARSELUN}, |
242 | {"SGI", "RAID5", "*", BLIST_SPARSELUN}, | |
243 | {"SGI", "TP9100", "*", BLIST_REPORTLUN2}, | |
244 | {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
48690405 | 245 | {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
debf4777 | 246 | {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
4aa312b9 | 247 | {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
c6b269ba XVP |
248 | {"STK", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, |
249 | {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
250 | {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
251 | {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH}, | |
1da177e4 LT |
252 | {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36}, |
253 | {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN}, | |
254 | {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */ | |
255 | {"ST650211", "CF", NULL, BLIST_RETRY_HWERROR}, | |
256 | {"SUN", "T300", "*", BLIST_SPARSELUN}, | |
257 | {"SUN", "T4", "*", BLIST_SPARSELUN}, | |
258 | {"TEXEL", "CD-ROM", "1.06", BLIST_BORKEN}, | |
5f619c5b | 259 | {"Tornado-", "F4", "*", BLIST_NOREPORTLUN}, |
1da177e4 LT |
260 | {"TOSHIBA", "CDROM", NULL, BLIST_ISROM}, |
261 | {"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM}, | |
82103978 | 262 | {"Traxdata", "CDR4120", NULL, BLIST_NOLUN}, /* locks up */ |
1da177e4 LT |
263 | {"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, |
264 | {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN}, | |
265 | {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN}, | |
266 | {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN}, | |
267 | {"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN}, | |
268 | {"XYRATEX", "RS", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, | |
269 | {"Zzyzx", "RocketStor 500S", NULL, BLIST_SPARSELUN}, | |
270 | {"Zzyzx", "RocketStor 2000", NULL, BLIST_SPARSELUN}, | |
271 | { NULL, NULL, NULL, 0 }, | |
272 | }; | |
273 | ||
598fa4b7 JB |
274 | static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key) |
275 | { | |
276 | struct scsi_dev_info_list_table *devinfo_table; | |
277 | int found = 0; | |
278 | ||
279 | list_for_each_entry(devinfo_table, &scsi_dev_info_list, node) | |
280 | if (devinfo_table->key == key) { | |
281 | found = 1; | |
282 | break; | |
283 | } | |
284 | if (!found) | |
285 | return ERR_PTR(-EINVAL); | |
286 | ||
287 | return devinfo_table; | |
288 | } | |
289 | ||
1da177e4 LT |
290 | /* |
291 | * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into | |
292 | * devinfo vendor and model strings. | |
293 | */ | |
294 | static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length, | |
295 | char *from, int compatible) | |
296 | { | |
297 | size_t from_length; | |
298 | ||
299 | from_length = strlen(from); | |
300 | strncpy(to, from, min(to_length, from_length)); | |
301 | if (from_length < to_length) { | |
302 | if (compatible) { | |
303 | /* | |
304 | * NUL terminate the string if it is short. | |
305 | */ | |
306 | to[from_length] = '\0'; | |
307 | } else { | |
588c902b HR |
308 | /* |
309 | * space pad the string if it is short. | |
1da177e4 LT |
310 | */ |
311 | strncpy(&to[from_length], spaces, | |
312 | to_length - from_length); | |
313 | } | |
314 | } | |
315 | if (from_length > to_length) | |
316 | printk(KERN_WARNING "%s: %s string '%s' is too long\n", | |
cadbd4a5 | 317 | __func__, name, from); |
1da177e4 LT |
318 | } |
319 | ||
320 | /** | |
eb44820c RL |
321 | * scsi_dev_info_list_add - add one dev_info list entry. |
322 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
1da177e4 LT |
323 | * @vendor: vendor string |
324 | * @model: model (product) string | |
325 | * @strflags: integer string | |
eb44820c | 326 | * @flags: if strflags NULL, use this flag value |
1da177e4 LT |
327 | * |
328 | * Description: | |
588c902b HR |
329 | * Create and add one dev_info entry for @vendor, @model, @strflags or |
330 | * @flag. If @compatible, add to the tail of the list, do not space | |
331 | * pad, and set devinfo->compatible. The scsi_static_device_list entries | |
332 | * are added with @compatible 1 and @clfags NULL. | |
1da177e4 LT |
333 | * |
334 | * Returns: 0 OK, -error on failure. | |
335 | **/ | |
336 | static int scsi_dev_info_list_add(int compatible, char *vendor, char *model, | |
5ebde469 | 337 | char *strflags, blist_flags_t flags) |
598fa4b7 JB |
338 | { |
339 | return scsi_dev_info_list_add_keyed(compatible, vendor, model, | |
340 | strflags, flags, | |
341 | SCSI_DEVINFO_GLOBAL); | |
342 | } | |
343 | ||
344 | /** | |
345 | * scsi_dev_info_list_add_keyed - add one dev_info list entry. | |
346 | * @compatible: if true, null terminate short strings. Otherwise space pad. | |
347 | * @vendor: vendor string | |
348 | * @model: model (product) string | |
349 | * @strflags: integer string | |
350 | * @flags: if strflags NULL, use this flag value | |
351 | * @key: specify list to use | |
352 | * | |
353 | * Description: | |
588c902b HR |
354 | * Create and add one dev_info entry for @vendor, @model, |
355 | * @strflags or @flag in list specified by @key. If @compatible, | |
356 | * add to the tail of the list, do not space pad, and set | |
357 | * devinfo->compatible. The scsi_static_device_list entries are | |
358 | * added with @compatible 1 and @clfags NULL. | |
598fa4b7 JB |
359 | * |
360 | * Returns: 0 OK, -error on failure. | |
361 | **/ | |
362 | int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model, | |
4b1d8e78 BVA |
363 | char *strflags, blist_flags_t flags, |
364 | enum scsi_devinfo_key key) | |
1da177e4 LT |
365 | { |
366 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 JB |
367 | struct scsi_dev_info_list_table *devinfo_table = |
368 | scsi_devinfo_lookup_by_key(key); | |
369 | ||
370 | if (IS_ERR(devinfo_table)) | |
371 | return PTR_ERR(devinfo_table); | |
1da177e4 LT |
372 | |
373 | devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL); | |
374 | if (!devinfo) { | |
cadbd4a5 | 375 | printk(KERN_ERR "%s: no memory\n", __func__); |
1da177e4 LT |
376 | return -ENOMEM; |
377 | } | |
378 | ||
379 | scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor), | |
380 | vendor, compatible); | |
381 | scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model), | |
382 | model, compatible); | |
383 | ||
384 | if (strflags) | |
385 | devinfo->flags = simple_strtoul(strflags, NULL, 0); | |
386 | else | |
387 | devinfo->flags = flags; | |
388 | ||
389 | devinfo->compatible = compatible; | |
390 | ||
391 | if (compatible) | |
598fa4b7 JB |
392 | list_add_tail(&devinfo->dev_info_list, |
393 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 | 394 | else |
598fa4b7 JB |
395 | list_add(&devinfo->dev_info_list, |
396 | &devinfo_table->scsi_dev_info_list); | |
1da177e4 LT |
397 | |
398 | return 0; | |
399 | } | |
598fa4b7 | 400 | EXPORT_SYMBOL(scsi_dev_info_list_add_keyed); |
1da177e4 | 401 | |
38a039be | 402 | /** |
c42b3654 | 403 | * scsi_dev_info_list_find - find a matching dev_info list entry. |
b8018b97 HR |
404 | * @vendor: full vendor string |
405 | * @model: full model (product) string | |
38a039be PJ |
406 | * @key: specify list to use |
407 | * | |
408 | * Description: | |
c42b3654 | 409 | * Finds the first dev_info entry matching @vendor, @model |
588c902b | 410 | * in list specified by @key. |
38a039be | 411 | * |
c42b3654 | 412 | * Returns: pointer to matching entry, or ERR_PTR on failure. |
38a039be | 413 | **/ |
c42b3654 | 414 | static struct scsi_dev_info_list *scsi_dev_info_list_find(const char *vendor, |
4b1d8e78 | 415 | const char *model, enum scsi_devinfo_key key) |
38a039be | 416 | { |
c42b3654 | 417 | struct scsi_dev_info_list *devinfo; |
38a039be PJ |
418 | struct scsi_dev_info_list_table *devinfo_table = |
419 | scsi_devinfo_lookup_by_key(key); | |
b8018b97 | 420 | size_t vmax, mmax, mlen; |
b704f70c | 421 | const char *vskip, *mskip; |
38a039be PJ |
422 | |
423 | if (IS_ERR(devinfo_table)) | |
c42b3654 | 424 | return (struct scsi_dev_info_list *) devinfo_table; |
38a039be | 425 | |
b704f70c AS |
426 | /* Prepare for "compatible" matches */ |
427 | ||
428 | /* | |
429 | * XXX why skip leading spaces? If an odd INQUIRY | |
430 | * value, that should have been part of the | |
431 | * scsi_static_device_list[] entry, such as " FOO" | |
432 | * rather than "FOO". Since this code is already | |
433 | * here, and we don't know what device it is | |
434 | * trying to work with, leave it as-is. | |
435 | */ | |
5e7ff2ca | 436 | vmax = sizeof(devinfo->vendor); |
b704f70c AS |
437 | vskip = vendor; |
438 | while (vmax > 0 && *vskip == ' ') { | |
439 | vmax--; | |
440 | vskip++; | |
441 | } | |
442 | /* Also skip trailing spaces */ | |
443 | while (vmax > 0 && vskip[vmax - 1] == ' ') | |
444 | --vmax; | |
445 | ||
5e7ff2ca | 446 | mmax = sizeof(devinfo->model); |
b704f70c AS |
447 | mskip = model; |
448 | while (mmax > 0 && *mskip == ' ') { | |
449 | mmax--; | |
450 | mskip++; | |
451 | } | |
452 | while (mmax > 0 && mskip[mmax - 1] == ' ') | |
453 | --mmax; | |
454 | ||
38a039be PJ |
455 | list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list, |
456 | dev_info_list) { | |
457 | if (devinfo->compatible) { | |
458 | /* | |
b8018b97 | 459 | * vendor strings must be an exact match |
38a039be | 460 | */ |
b8018b97 HR |
461 | if (vmax != strlen(devinfo->vendor) || |
462 | memcmp(devinfo->vendor, vskip, vmax)) | |
38a039be | 463 | continue; |
b8018b97 HR |
464 | |
465 | /* | |
466 | * @model specifies the full string, and | |
467 | * must be larger or equal to devinfo->model | |
468 | */ | |
469 | mlen = strlen(devinfo->model); | |
470 | if (mmax < mlen || memcmp(devinfo->model, mskip, mlen)) | |
38a039be | 471 | continue; |
c42b3654 | 472 | return devinfo; |
38a039be PJ |
473 | } else { |
474 | if (!memcmp(devinfo->vendor, vendor, | |
588c902b HR |
475 | sizeof(devinfo->vendor)) && |
476 | !memcmp(devinfo->model, model, | |
477 | sizeof(devinfo->model))) | |
c42b3654 | 478 | return devinfo; |
38a039be | 479 | } |
38a039be PJ |
480 | } |
481 | ||
c42b3654 AS |
482 | return ERR_PTR(-ENOENT); |
483 | } | |
484 | ||
485 | /** | |
486 | * scsi_dev_info_list_del_keyed - remove one dev_info list entry. | |
487 | * @vendor: vendor string | |
488 | * @model: model (product) string | |
489 | * @key: specify list to use | |
490 | * | |
491 | * Description: | |
492 | * Remove and destroy one dev_info entry for @vendor, @model | |
493 | * in list specified by @key. | |
494 | * | |
495 | * Returns: 0 OK, -error on failure. | |
496 | **/ | |
4b1d8e78 BVA |
497 | int scsi_dev_info_list_del_keyed(char *vendor, char *model, |
498 | enum scsi_devinfo_key key) | |
c42b3654 AS |
499 | { |
500 | struct scsi_dev_info_list *found; | |
38a039be | 501 | |
c42b3654 AS |
502 | found = scsi_dev_info_list_find(vendor, model, key); |
503 | if (IS_ERR(found)) | |
504 | return PTR_ERR(found); | |
505 | ||
506 | list_del(&found->dev_info_list); | |
507 | kfree(found); | |
508 | return 0; | |
38a039be PJ |
509 | } |
510 | EXPORT_SYMBOL(scsi_dev_info_list_del_keyed); | |
511 | ||
1da177e4 | 512 | /** |
eb44820c | 513 | * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list. |
1da177e4 LT |
514 | * @dev_list: string of device flags to add |
515 | * | |
516 | * Description: | |
588c902b HR |
517 | * Parse dev_list, and add entries to the scsi_dev_info_list. |
518 | * dev_list is of the form "vendor:product:flag,vendor:product:flag". | |
519 | * dev_list is modified via strsep. Can be called for command line | |
520 | * addition, for proc or mabye a sysfs interface. | |
1da177e4 LT |
521 | * |
522 | * Returns: 0 if OK, -error on failure. | |
523 | **/ | |
524 | static int scsi_dev_info_list_add_str(char *dev_list) | |
525 | { | |
526 | char *vendor, *model, *strflags, *next; | |
527 | char *next_check; | |
528 | int res = 0; | |
529 | ||
530 | next = dev_list; | |
531 | if (next && next[0] == '"') { | |
532 | /* | |
533 | * Ignore both the leading and trailing quote. | |
534 | */ | |
535 | next++; | |
536 | next_check = ",\""; | |
537 | } else { | |
538 | next_check = ","; | |
539 | } | |
540 | ||
541 | /* | |
542 | * For the leading and trailing '"' case, the for loop comes | |
543 | * through the last time with vendor[0] == '\0'. | |
544 | */ | |
545 | for (vendor = strsep(&next, ":"); vendor && (vendor[0] != '\0') | |
546 | && (res == 0); vendor = strsep(&next, ":")) { | |
547 | strflags = NULL; | |
548 | model = strsep(&next, ":"); | |
549 | if (model) | |
550 | strflags = strsep(&next, next_check); | |
551 | if (!model || !strflags) { | |
552 | printk(KERN_ERR "%s: bad dev info string '%s' '%s'" | |
cadbd4a5 | 553 | " '%s'\n", __func__, vendor, model, |
1da177e4 LT |
554 | strflags); |
555 | res = -EINVAL; | |
556 | } else | |
557 | res = scsi_dev_info_list_add(0 /* compatible */, vendor, | |
558 | model, strflags, 0); | |
559 | } | |
560 | return res; | |
561 | } | |
562 | ||
563 | /** | |
eb44820c RL |
564 | * get_device_flags - get device specific flags from the dynamic device list. |
565 | * @sdev: &scsi_device to get flags for | |
1da177e4 LT |
566 | * @vendor: vendor name |
567 | * @model: model name | |
568 | * | |
569 | * Description: | |
598fa4b7 JB |
570 | * Search the global scsi_dev_info_list (specified by list zero) |
571 | * for an entry matching @vendor and @model, if found, return the | |
572 | * matching flags value, else return the host or global default | |
573 | * settings. Called during scan time. | |
1da177e4 | 574 | **/ |
5ebde469 HR |
575 | blist_flags_t scsi_get_device_flags(struct scsi_device *sdev, |
576 | const unsigned char *vendor, | |
577 | const unsigned char *model) | |
598fa4b7 JB |
578 | { |
579 | return scsi_get_device_flags_keyed(sdev, vendor, model, | |
580 | SCSI_DEVINFO_GLOBAL); | |
581 | } | |
582 | ||
583 | ||
584 | /** | |
1acf3b06 | 585 | * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list |
598fa4b7 JB |
586 | * @sdev: &scsi_device to get flags for |
587 | * @vendor: vendor name | |
588 | * @model: model name | |
589 | * @key: list to look up | |
590 | * | |
591 | * Description: | |
592 | * Search the scsi_dev_info_list specified by @key for an entry | |
593 | * matching @vendor and @model, if found, return the matching | |
594 | * flags value, else return the host or global default settings. | |
595 | * Called during scan time. | |
596 | **/ | |
5ebde469 | 597 | blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev, |
598fa4b7 JB |
598 | const unsigned char *vendor, |
599 | const unsigned char *model, | |
4b1d8e78 | 600 | enum scsi_devinfo_key key) |
1da177e4 LT |
601 | { |
602 | struct scsi_dev_info_list *devinfo; | |
598fa4b7 | 603 | |
c42b3654 AS |
604 | devinfo = scsi_dev_info_list_find(vendor, model, key); |
605 | if (!IS_ERR(devinfo)) | |
606 | return devinfo->flags; | |
1da177e4 | 607 | |
a44c9d36 | 608 | /* key or device not found: return nothing */ |
598fa4b7 JB |
609 | if (key != SCSI_DEVINFO_GLOBAL) |
610 | return 0; | |
611 | ||
612 | /* except for the global list, where we have an exception */ | |
613 | if (sdev->sdev_bflags) | |
614 | return sdev->sdev_bflags; | |
615 | ||
616 | return scsi_default_dev_flags; | |
1da177e4 | 617 | } |
598fa4b7 | 618 | EXPORT_SYMBOL(scsi_get_device_flags_keyed); |
1da177e4 LT |
619 | |
620 | #ifdef CONFIG_SCSI_PROC_FS | |
598fa4b7 JB |
621 | struct double_list { |
622 | struct list_head *top; | |
623 | struct list_head *bottom; | |
624 | }; | |
625 | ||
352ced8e | 626 | static int devinfo_seq_show(struct seq_file *m, void *v) |
1da177e4 | 627 | { |
598fa4b7 JB |
628 | struct double_list *dl = v; |
629 | struct scsi_dev_info_list_table *devinfo_table = | |
630 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
352ced8e | 631 | struct scsi_dev_info_list *devinfo = |
598fa4b7 JB |
632 | list_entry(dl->bottom, struct scsi_dev_info_list, |
633 | dev_info_list); | |
634 | ||
635 | if (devinfo_table->scsi_dev_info_list.next == dl->bottom && | |
636 | devinfo_table->name) | |
637 | seq_printf(m, "[%s]:\n", devinfo_table->name); | |
1da177e4 | 638 | |
352ced8e | 639 | seq_printf(m, "'%.8s' '%.16s' 0x%x\n", |
598fa4b7 | 640 | devinfo->vendor, devinfo->model, devinfo->flags); |
352ced8e AD |
641 | return 0; |
642 | } | |
643 | ||
598fa4b7 | 644 | static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos) |
352ced8e | 645 | { |
598fa4b7 JB |
646 | struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL); |
647 | loff_t pos = *ppos; | |
648 | ||
649 | if (!dl) | |
650 | return NULL; | |
651 | ||
652 | list_for_each(dl->top, &scsi_dev_info_list) { | |
653 | struct scsi_dev_info_list_table *devinfo_table = | |
654 | list_entry(dl->top, struct scsi_dev_info_list_table, | |
655 | node); | |
656 | list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list) | |
657 | if (pos-- == 0) | |
658 | return dl; | |
659 | } | |
660 | ||
661 | kfree(dl); | |
662 | return NULL; | |
352ced8e | 663 | } |
1da177e4 | 664 | |
598fa4b7 | 665 | static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos) |
352ced8e | 666 | { |
598fa4b7 JB |
667 | struct double_list *dl = v; |
668 | struct scsi_dev_info_list_table *devinfo_table = | |
669 | list_entry(dl->top, struct scsi_dev_info_list_table, node); | |
670 | ||
671 | ++*ppos; | |
672 | dl->bottom = dl->bottom->next; | |
673 | while (&devinfo_table->scsi_dev_info_list == dl->bottom) { | |
674 | dl->top = dl->top->next; | |
675 | if (dl->top == &scsi_dev_info_list) { | |
676 | kfree(dl); | |
677 | return NULL; | |
678 | } | |
679 | devinfo_table = list_entry(dl->top, | |
680 | struct scsi_dev_info_list_table, | |
681 | node); | |
682 | dl->bottom = devinfo_table->scsi_dev_info_list.next; | |
683 | } | |
684 | ||
685 | return dl; | |
352ced8e AD |
686 | } |
687 | ||
688 | static void devinfo_seq_stop(struct seq_file *m, void *v) | |
689 | { | |
598fa4b7 | 690 | kfree(v); |
352ced8e AD |
691 | } |
692 | ||
693 | static const struct seq_operations scsi_devinfo_seq_ops = { | |
694 | .start = devinfo_seq_start, | |
695 | .next = devinfo_seq_next, | |
696 | .stop = devinfo_seq_stop, | |
697 | .show = devinfo_seq_show, | |
698 | }; | |
699 | ||
700 | static int proc_scsi_devinfo_open(struct inode *inode, struct file *file) | |
701 | { | |
702 | return seq_open(file, &scsi_devinfo_seq_ops); | |
1da177e4 LT |
703 | } |
704 | ||
588c902b | 705 | /* |
eb44820c | 706 | * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc. |
1da177e4 | 707 | * |
eb44820c RL |
708 | * Description: Adds a black/white list entry for vendor and model with an |
709 | * integer value of flag to the scsi device info list. | |
710 | * To use, echo "vendor:model:flag" > /proc/scsi/device_info | |
1da177e4 | 711 | */ |
352ced8e AD |
712 | static ssize_t proc_scsi_devinfo_write(struct file *file, |
713 | const char __user *buf, | |
714 | size_t length, loff_t *ppos) | |
1da177e4 LT |
715 | { |
716 | char *buffer; | |
352ced8e | 717 | ssize_t err = length; |
1da177e4 LT |
718 | |
719 | if (!buf || length>PAGE_SIZE) | |
720 | return -EINVAL; | |
721 | if (!(buffer = (char *) __get_free_page(GFP_KERNEL))) | |
722 | return -ENOMEM; | |
723 | if (copy_from_user(buffer, buf, length)) { | |
724 | err =-EFAULT; | |
725 | goto out; | |
726 | } | |
727 | ||
728 | if (length < PAGE_SIZE) | |
729 | buffer[length] = '\0'; | |
730 | else if (buffer[PAGE_SIZE-1]) { | |
731 | err = -EINVAL; | |
732 | goto out; | |
733 | } | |
734 | ||
735 | scsi_dev_info_list_add_str(buffer); | |
736 | ||
737 | out: | |
738 | free_page((unsigned long)buffer); | |
739 | return err; | |
740 | } | |
352ced8e AD |
741 | |
742 | static const struct file_operations scsi_devinfo_proc_fops = { | |
743 | .owner = THIS_MODULE, | |
744 | .open = proc_scsi_devinfo_open, | |
745 | .read = seq_read, | |
746 | .write = proc_scsi_devinfo_write, | |
747 | .llseek = seq_lseek, | |
748 | .release = seq_release, | |
749 | }; | |
1da177e4 LT |
750 | #endif /* CONFIG_SCSI_PROC_FS */ |
751 | ||
752 | module_param_string(dev_flags, scsi_dev_flags, sizeof(scsi_dev_flags), 0); | |
753 | MODULE_PARM_DESC(dev_flags, | |
754 | "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white" | |
755 | " list entries for vendor and model with an integer value of flags" | |
756 | " to the scsi device info list"); | |
757 | ||
758 | module_param_named(default_dev_flags, scsi_default_dev_flags, int, S_IRUGO|S_IWUSR); | |
759 | MODULE_PARM_DESC(default_dev_flags, | |
760 | "scsi default device flag integer value"); | |
761 | ||
762 | /** | |
1acf3b06 | 763 | * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list |
1da177e4 LT |
764 | **/ |
765 | void scsi_exit_devinfo(void) | |
766 | { | |
1da177e4 LT |
767 | #ifdef CONFIG_SCSI_PROC_FS |
768 | remove_proc_entry("scsi/device_info", NULL); | |
769 | #endif | |
770 | ||
598fa4b7 JB |
771 | scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL); |
772 | } | |
773 | ||
774 | /** | |
775 | * scsi_dev_info_add_list - add a new devinfo list | |
776 | * @key: key of the list to add | |
777 | * @name: Name of the list to add (for /proc/scsi/device_info) | |
778 | * | |
779 | * Adds the requested list, returns zero on success, -EEXIST if the | |
780 | * key is already registered to a list, or other error on failure. | |
781 | */ | |
4b1d8e78 | 782 | int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name) |
598fa4b7 JB |
783 | { |
784 | struct scsi_dev_info_list_table *devinfo_table = | |
785 | scsi_devinfo_lookup_by_key(key); | |
786 | ||
787 | if (!IS_ERR(devinfo_table)) | |
788 | /* list already exists */ | |
789 | return -EEXIST; | |
790 | ||
791 | devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL); | |
792 | ||
793 | if (!devinfo_table) | |
794 | return -ENOMEM; | |
795 | ||
796 | INIT_LIST_HEAD(&devinfo_table->node); | |
797 | INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list); | |
798 | devinfo_table->name = name; | |
799 | devinfo_table->key = key; | |
800 | list_add_tail(&devinfo_table->node, &scsi_dev_info_list); | |
801 | ||
802 | return 0; | |
803 | } | |
804 | EXPORT_SYMBOL(scsi_dev_info_add_list); | |
805 | ||
806 | /** | |
807 | * scsi_dev_info_remove_list - destroy an added devinfo list | |
808 | * @key: key of the list to destroy | |
809 | * | |
810 | * Iterates over the entire list first, freeing all the values, then | |
811 | * frees the list itself. Returns 0 on success or -EINVAL if the key | |
812 | * can't be found. | |
813 | */ | |
4b1d8e78 | 814 | int scsi_dev_info_remove_list(enum scsi_devinfo_key key) |
598fa4b7 JB |
815 | { |
816 | struct list_head *lh, *lh_next; | |
817 | struct scsi_dev_info_list_table *devinfo_table = | |
818 | scsi_devinfo_lookup_by_key(key); | |
819 | ||
820 | if (IS_ERR(devinfo_table)) | |
821 | /* no such list */ | |
822 | return -EINVAL; | |
823 | ||
824 | /* remove from the master list */ | |
825 | list_del(&devinfo_table->node); | |
826 | ||
827 | list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) { | |
828 | struct scsi_dev_info_list *devinfo; | |
829 | ||
1da177e4 LT |
830 | devinfo = list_entry(lh, struct scsi_dev_info_list, |
831 | dev_info_list); | |
832 | kfree(devinfo); | |
833 | } | |
598fa4b7 JB |
834 | kfree(devinfo_table); |
835 | ||
836 | return 0; | |
1da177e4 | 837 | } |
598fa4b7 | 838 | EXPORT_SYMBOL(scsi_dev_info_remove_list); |
1da177e4 LT |
839 | |
840 | /** | |
c93ff979 | 841 | * scsi_init_devinfo - set up the dynamic device list. |
1da177e4 LT |
842 | * |
843 | * Description: | |
588c902b HR |
844 | * Add command line entries from scsi_dev_flags, then add |
845 | * scsi_static_device_list entries to the scsi device info list. | |
eb44820c | 846 | */ |
1da177e4 LT |
847 | int __init scsi_init_devinfo(void) |
848 | { | |
849 | #ifdef CONFIG_SCSI_PROC_FS | |
850 | struct proc_dir_entry *p; | |
851 | #endif | |
852 | int error, i; | |
853 | ||
598fa4b7 | 854 | error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL); |
1da177e4 LT |
855 | if (error) |
856 | return error; | |
857 | ||
598fa4b7 JB |
858 | error = scsi_dev_info_list_add_str(scsi_dev_flags); |
859 | if (error) | |
860 | goto out; | |
861 | ||
1da177e4 LT |
862 | for (i = 0; scsi_static_device_list[i].vendor; i++) { |
863 | error = scsi_dev_info_list_add(1 /* compatibile */, | |
864 | scsi_static_device_list[i].vendor, | |
865 | scsi_static_device_list[i].model, | |
866 | NULL, | |
867 | scsi_static_device_list[i].flags); | |
868 | if (error) | |
869 | goto out; | |
870 | } | |
871 | ||
872 | #ifdef CONFIG_SCSI_PROC_FS | |
352ced8e | 873 | p = proc_create("scsi/device_info", 0, NULL, &scsi_devinfo_proc_fops); |
1da177e4 LT |
874 | if (!p) { |
875 | error = -ENOMEM; | |
876 | goto out; | |
877 | } | |
1da177e4 LT |
878 | #endif /* CONFIG_SCSI_PROC_FS */ |
879 | ||
880 | out: | |
881 | if (error) | |
882 | scsi_exit_devinfo(); | |
883 | return error; | |
884 | } |