1b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0
21da177e4SLinus Torvalds
31da177e4SLinus Torvalds #include <linux/blkdev.h>
41da177e4SLinus Torvalds #include <linux/init.h>
51da177e4SLinus Torvalds #include <linux/kernel.h>
61da177e4SLinus Torvalds #include <linux/module.h>
71da177e4SLinus Torvalds #include <linux/moduleparam.h>
81da177e4SLinus Torvalds #include <linux/proc_fs.h>
91da177e4SLinus Torvalds #include <linux/seq_file.h>
105a0e3ad6STejun Heo #include <linux/slab.h>
111da177e4SLinus Torvalds
121da177e4SLinus Torvalds #include <scsi/scsi_device.h>
131da177e4SLinus Torvalds #include <scsi/scsi_devinfo.h>
141da177e4SLinus Torvalds
151da177e4SLinus Torvalds #include "scsi_priv.h"
161da177e4SLinus Torvalds
171da177e4SLinus Torvalds
181da177e4SLinus Torvalds /*
191da177e4SLinus Torvalds * scsi_dev_info_list: structure to hold black/white listed devices.
201da177e4SLinus Torvalds */
211da177e4SLinus Torvalds struct scsi_dev_info_list {
221da177e4SLinus Torvalds struct list_head dev_info_list;
231da177e4SLinus Torvalds char vendor[8];
241da177e4SLinus Torvalds char model[16];
255ebde469SHannes Reinecke blist_flags_t flags;
261da177e4SLinus Torvalds unsigned compatible; /* for use with scsi_static_device_list entries */
271da177e4SLinus Torvalds };
281da177e4SLinus Torvalds
29598fa4b7SJames Bottomley struct scsi_dev_info_list_table {
30598fa4b7SJames Bottomley struct list_head node; /* our node for being on the master list */
31598fa4b7SJames Bottomley struct list_head scsi_dev_info_list; /* head of dev info list */
32598fa4b7SJames Bottomley const char *name; /* name of list for /proc (NULL for global) */
33598fa4b7SJames Bottomley int key; /* unique numeric identifier */
34598fa4b7SJames Bottomley };
35598fa4b7SJames Bottomley
361da177e4SLinus Torvalds
375ebde469SHannes Reinecke static blist_flags_t scsi_default_dev_flags;
381da177e4SLinus Torvalds static LIST_HEAD(scsi_dev_info_list);
391da177e4SLinus Torvalds static char scsi_dev_flags[256];
401da177e4SLinus Torvalds
411da177e4SLinus Torvalds /*
42*14d38356SBart Van Assche * scsi_static_device_list: list of devices that require settings that differ
43*14d38356SBart Van Assche * from the default, includes black-listed (broken) devices. The entries here
44*14d38356SBart Van Assche * are added to the tail of scsi_dev_info_list via scsi_dev_info_list_init.
451da177e4SLinus Torvalds *
46*14d38356SBart Van Assche * If possible, set the BLIST_* flags from inside a SCSI LLD rather than
47*14d38356SBart Van Assche * adding an entry to this list.
481da177e4SLinus Torvalds */
491da177e4SLinus Torvalds static struct {
501da177e4SLinus Torvalds char *vendor;
511da177e4SLinus Torvalds char *model;
521da177e4SLinus Torvalds char *revision; /* revision known to be bad, unused */
535ebde469SHannes Reinecke blist_flags_t flags;
541da177e4SLinus Torvalds } scsi_static_device_list[] __initdata = {
551da177e4SLinus Torvalds /*
561da177e4SLinus Torvalds * The following devices are known not to tolerate a lun != 0 scan
571da177e4SLinus Torvalds * for one reason or another. Some will respond to all luns,
581da177e4SLinus Torvalds * others will lock up.
591da177e4SLinus Torvalds */
601da177e4SLinus Torvalds {"Aashima", "IMAGERY 2400SP", "1.03", BLIST_NOLUN}, /* locks up */
611da177e4SLinus Torvalds {"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN}, /* locks up */
621da177e4SLinus Torvalds {"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN}, /* locks up */
631da177e4SLinus Torvalds {"DENON", "DRD-25X", "V", BLIST_NOLUN}, /* locks up */
641da177e4SLinus Torvalds {"HITACHI", "DK312C", "CM81", BLIST_NOLUN}, /* responds to all lun */
651da177e4SLinus Torvalds {"HITACHI", "DK314C", "CR21", BLIST_NOLUN}, /* responds to all lun */
66f2536cbdSBrian King {"IBM", "2104-DU3", NULL, BLIST_NOLUN}, /* locks up */
67f2536cbdSBrian King {"IBM", "2104-TU3", NULL, BLIST_NOLUN}, /* locks up */
681da177e4SLinus Torvalds {"IMS", "CDD521/10", "2.06", BLIST_NOLUN}, /* locks up */
691da177e4SLinus Torvalds {"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN}, /* locks up */
701da177e4SLinus Torvalds {"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN}, /* locks up */
711da177e4SLinus Torvalds {"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN}, /* locks up */
721da177e4SLinus Torvalds {"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN}, /* locks up */
731da177e4SLinus Torvalds {"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN}, /* locks up */
741da177e4SLinus Torvalds {"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN}, /* responds to all lun */
751da177e4SLinus Torvalds {"MICROTEK", "ScanMakerIII", "2.30", BLIST_NOLUN}, /* responds to all lun */
761da177e4SLinus Torvalds {"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},/* locks up */
771da177e4SLinus Torvalds {"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN}, /* responds to all lun */
781da177e4SLinus Torvalds {"RODIME", "RO3000S", "2.33", BLIST_NOLUN}, /* locks up */
791da177e4SLinus Torvalds {"SUN", "SENA", NULL, BLIST_NOLUN}, /* responds to all luns */
801da177e4SLinus Torvalds /*
811da177e4SLinus Torvalds * The following causes a failed REQUEST SENSE on lun 1 for
821da177e4SLinus Torvalds * aha152x controller, which causes SCSI code to reset bus.
831da177e4SLinus Torvalds */
841da177e4SLinus Torvalds {"SANYO", "CRD-250S", "1.20", BLIST_NOLUN},
851da177e4SLinus Torvalds /*
861da177e4SLinus Torvalds * The following causes a failed REQUEST SENSE on lun 1 for
871da177e4SLinus Torvalds * aha152x controller, which causes SCSI code to reset bus.
881da177e4SLinus Torvalds */
891da177e4SLinus Torvalds {"SEAGATE", "ST157N", "\004|j", BLIST_NOLUN},
901da177e4SLinus Torvalds {"SEAGATE", "ST296", "921", BLIST_NOLUN}, /* responds to all lun */
911da177e4SLinus Torvalds {"SEAGATE", "ST1581", "6538", BLIST_NOLUN}, /* responds to all lun */
921da177e4SLinus Torvalds {"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN},
931da177e4SLinus Torvalds {"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN},
941da177e4SLinus Torvalds {"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN},
951da177e4SLinus Torvalds {"SONY", "CD-ROM CDU-8012", NULL, BLIST_NOLUN},
961da177e4SLinus Torvalds {"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN},
971da177e4SLinus Torvalds {"TANDBERG", "TDC 3600", "U07", BLIST_NOLUN}, /* locks up */
981da177e4SLinus Torvalds {"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN}, /* locks up */
991da177e4SLinus Torvalds /*
1001da177e4SLinus Torvalds * The following causes a failed REQUEST SENSE on lun 1 for
1011da177e4SLinus Torvalds * seagate controller, which causes SCSI code to reset bus.
1021da177e4SLinus Torvalds */
1031da177e4SLinus Torvalds {"TEAC", "CD-ROM", "1.06", BLIST_NOLUN},
1041da177e4SLinus Torvalds {"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN}, /* responds to all lun */
1051da177e4SLinus Torvalds /*
1061da177e4SLinus Torvalds * The following causes a failed REQUEST SENSE on lun 1 for
1071da177e4SLinus Torvalds * seagate controller, which causes SCSI code to reset bus.
1081da177e4SLinus Torvalds */
1091da177e4SLinus Torvalds {"HP", "C1750A", "3226", BLIST_NOLUN}, /* scanjet iic */
1103f884a0aSXose Vazquez Perez {"HP", "C1790A", NULL, BLIST_NOLUN}, /* scanjet iip */
1113f884a0aSXose Vazquez Perez {"HP", "C2500A", NULL, BLIST_NOLUN}, /* scanjet iicx */
1121da177e4SLinus Torvalds {"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN}, /* locks up */
1131da177e4SLinus Torvalds {"MICROTEK", "ScanMaker II", "5.61", BLIST_NOLUN}, /* responds to all lun */
1141da177e4SLinus Torvalds {"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN}, /* locks up */
1151da177e4SLinus Torvalds {"NEC", "D3856", "0009", BLIST_NOLUN},
1161da177e4SLinus Torvalds {"QUANTUM", "LPS525S", "3110", BLIST_NOLUN}, /* locks up */
1171da177e4SLinus Torvalds {"QUANTUM", "PD1225S", "3110", BLIST_NOLUN}, /* locks up */
1181da177e4SLinus Torvalds {"QUANTUM", "FIREBALL ST4.3S", "0F0C", BLIST_NOLUN}, /* locks up */
1191da177e4SLinus Torvalds {"RELISYS", "Scorpio", NULL, BLIST_NOLUN}, /* responds to all lun */
1201da177e4SLinus Torvalds {"SANKYO", "CP525", "6.64", BLIST_NOLUN}, /* causes failed REQ SENSE, extra reset */
1213f884a0aSXose Vazquez Perez {"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN | BLIST_BORKEN},
1221c536315SJames Bottomley {"transtec", "T5008", "0001", BLIST_NOREPORTLUN },
1231da177e4SLinus Torvalds {"YAMAHA", "CDR100", "1.00", BLIST_NOLUN}, /* locks up */
1241da177e4SLinus Torvalds {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN}, /* locks up */
1251da177e4SLinus Torvalds {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN}, /* locks up */
1261da177e4SLinus Torvalds {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN}, /* locks up */
1270d7323c8SDave Jones {"", "Scanner", "1.80", BLIST_NOLUN}, /* responds to all lun */
1281da177e4SLinus Torvalds
1291da177e4SLinus Torvalds /*
1301da177e4SLinus Torvalds * Other types of devices that have special flags.
1311da177e4SLinus Torvalds * Note that all USB devices should have the BLIST_INQUIRY_36 flag.
1321da177e4SLinus Torvalds */
1331da177e4SLinus Torvalds {"3PARdata", "VV", NULL, BLIST_REPORTLUN2},
1341da177e4SLinus Torvalds {"ADAPTEC", "AACRAID", NULL, BLIST_FORCELUN},
1351da177e4SLinus Torvalds {"ADAPTEC", "Adaptec 5400S", NULL, BLIST_FORCELUN},
1364b1a2c2aSLee Duncan {"AIX", "VDASD", NULL, BLIST_TRY_VPD_PAGES | BLIST_NO_VPD_SIZE},
1371da177e4SLinus Torvalds {"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN},
1381da177e4SLinus Torvalds {"BELKIN", "USB 2 HS-CF", "1.95", BLIST_FORCELUN | BLIST_INQUIRY_36},
13980dc3e06SMatthew Wilcox {"BROWNIE", "1200U3P", NULL, BLIST_NOREPORTLUN},
14098acfc7eSMatthew Wilcox {"BROWNIE", "1600U3P", NULL, BLIST_NOREPORTLUN},
1411da177e4SLinus Torvalds {"CANON", "IPUBJD", NULL, BLIST_SPARSELUN},
1421da177e4SLinus Torvalds {"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36},
1431da177e4SLinus Torvalds {"CMD", "CRA-7280", NULL, BLIST_SPARSELUN}, /* CMD RAID Controller */
1441da177e4SLinus Torvalds {"CNSI", "G7324", NULL, BLIST_SPARSELUN}, /* Chaparral G7324 RAID */
1451da177e4SLinus Torvalds {"CNSi", "G8324", NULL, BLIST_SPARSELUN}, /* Chaparral G8324 RAID */
1464d7db04aSJames Bottomley {"COMPAQ", "ARRAY CONTROLLER", NULL, BLIST_SPARSELUN | BLIST_LARGELUN |
1474d7db04aSJames Bottomley BLIST_MAX_512 | BLIST_REPORTLUN2}, /* Compaq RA4x00 */
1484d7db04aSJames Bottomley {"COMPAQ", "LOGICAL VOLUME", NULL, BLIST_FORCELUN | BLIST_MAX_512}, /* Compaq RA4x00 */
1491da177e4SLinus Torvalds {"COMPAQ", "CR3500", NULL, BLIST_FORCELUN},
1501da177e4SLinus Torvalds {"COMPAQ", "MSA1000", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
1511da177e4SLinus Torvalds {"COMPAQ", "MSA1000 VOLUME", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
1521da177e4SLinus Torvalds {"COMPAQ", "HSV110", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
1531da177e4SLinus Torvalds {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN},
154507caac7SJames Bottomley {"DEC", "HSG80", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
1551da177e4SLinus Torvalds {"DELL", "PV660F", NULL, BLIST_SPARSELUN},
1561da177e4SLinus Torvalds {"DELL", "PV660F PSEUDO", NULL, BLIST_SPARSELUN},
1571da177e4SLinus Torvalds {"DELL", "PSEUDO DEVICE .", NULL, BLIST_SPARSELUN}, /* Dell PV 530F */
1581da177e4SLinus Torvalds {"DELL", "PV530F", NULL, BLIST_SPARSELUN},
1591da177e4SLinus Torvalds {"DELL", "PERCRAID", NULL, BLIST_FORCELUN},
1600b7509c7SXose Vazquez Perez {"DGC", "RAID", NULL, BLIST_SPARSELUN}, /* EMC CLARiiON, storage on LUN 0 */
1610b7509c7SXose Vazquez Perez {"DGC", "DISK", NULL, BLIST_SPARSELUN}, /* EMC CLARiiON, no storage on LUN 0 */
1623441afc6SMike Christie {"EMC", "Invista", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
16329cfc2abSMartin Wilck {"EMC", "SYMMETRIX", NULL, BLIST_SPARSELUN | BLIST_LARGELUN |
16429cfc2abSMartin Wilck BLIST_REPORTLUN2 | BLIST_RETRY_ITF},
1651da177e4SLinus Torvalds {"EMULEX", "MD21/S2 ESDI", NULL, BLIST_SINGLELUN},
16680b1c7bdSakpm@linux-foundation.org {"easyRAID", "16P", NULL, BLIST_NOREPORTLUN},
16780b1c7bdSakpm@linux-foundation.org {"easyRAID", "X6P", NULL, BLIST_NOREPORTLUN},
16880b1c7bdSakpm@linux-foundation.org {"easyRAID", "F8", NULL, BLIST_NOREPORTLUN},
1691da177e4SLinus Torvalds {"FSC", "CentricStor", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
170c3606520SMartin Wilck {"FUJITSU", "ETERNUS_DXM", "*", BLIST_RETRY_ASC_C1},
1711da177e4SLinus Torvalds {"Generic", "USB SD Reader", "1.00", BLIST_FORCELUN | BLIST_INQUIRY_36},
172b15578ddSXose Vazquez Perez {"Generic", "USB Storage-SMC", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, /* FW: 0180 and 0207 */
1739abe6779SMartin Kepplinger {"Generic", "Ultra HS-SD/MMC", "2.09", BLIST_IGN_MEDIA_CHANGE | BLIST_INQUIRY_36},
174627511e3STakahiro Yasui {"HITACHI", "DF400", "*", BLIST_REPORTLUN2},
175627511e3STakahiro Yasui {"HITACHI", "DF500", "*", BLIST_REPORTLUN2},
176627511e3STakahiro Yasui {"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
177d974e426SMartin K. Petersen {"HITACHI", "HUS1530", "*", BLIST_NO_DIF},
17856f3d383SHannes Reinecke {"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
1791da177e4SLinus Torvalds {"HP", "A6189A", NULL, BLIST_SPARSELUN | BLIST_LARGELUN}, /* HP VA7400 */
180b369a047SXose Vazquez Perez {"HP", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES}, /* HP XP Arrays */
1811da177e4SLinus Torvalds {"HP", "NetRAID-4M", NULL, BLIST_FORCELUN},
1821da177e4SLinus Torvalds {"HP", "HSV100", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
1831da177e4SLinus Torvalds {"HP", "C1557A", NULL, BLIST_FORCELUN},
1841da177e4SLinus Torvalds {"HP", "C3323-300", "4269", BLIST_NOTQ},
185c3d83368SThomas Bogendoerfer {"HP", "C5713A", NULL, BLIST_NOREPORTLUN},
1865f96f42bSXose Vazquez Perez {"HP", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
187e57f5cd9SEwan D. Milne {"HPE", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
1881da177e4SLinus Torvalds {"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN},
1891da177e4SLinus Torvalds {"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
1904b1a2c2aSLee Duncan {"IBM", "2076", NULL, BLIST_NO_VPD_SIZE},
1911da177e4SLinus Torvalds {"IBM", "2105", NULL, BLIST_RETRY_HWERROR},
1921da177e4SLinus Torvalds {"iomega", "jaz 1GB", "J.86", BLIST_NOTQ | BLIST_NOLUN},
19382103978SWerner Fink {"IOMEGA", "ZIP", NULL, BLIST_NOTQ | BLIST_NOLUN},
1941da177e4SLinus Torvalds {"IOMEGA", "Io20S *F", NULL, BLIST_KEY},
1951da177e4SLinus Torvalds {"INSITE", "Floptical F*8I", NULL, BLIST_KEY},
1961da177e4SLinus Torvalds {"INSITE", "I325VM", NULL, BLIST_KEY},
19718990455SChristian Sünkenberg {"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
1981da177e4SLinus Torvalds {"iRiver", "iFP Mass Driver", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
1991da177e4SLinus Torvalds {"LASOUND", "CDX7405", "3.10", BLIST_MAX5LUN | BLIST_SINGLELUN},
20082c43310SMika Westerberg {"Marvell", "Console", NULL, BLIST_SKIP_VPD_PAGES},
201fb2d65d2STodd Fujinaka {"Marvell", "91xx Config", "1.01", BLIST_SKIP_VPD_PAGES},
2021da177e4SLinus Torvalds {"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2031da177e4SLinus Torvalds {"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
2041da177e4SLinus Torvalds {"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
2051da177e4SLinus Torvalds {"Medion", "Flash XL MMC/SD", "2.6D", BLIST_FORCELUN},
2061da177e4SLinus Torvalds {"MegaRAID", "LD", NULL, BLIST_FORCELUN},
2071da177e4SLinus Torvalds {"MICROP", "4110", NULL, BLIST_NOTQ},
2084d426803SRoss Lagerwall {"MSFT", "Virtual HD", NULL, BLIST_MAX_1024 | BLIST_NO_RSOC},
2091da177e4SLinus Torvalds {"MYLEX", "DACARMRB", "*", BLIST_REPORTLUN2},
2101da177e4SLinus Torvalds {"nCipher", "Fastness Crypto", NULL, BLIST_FORCELUN},
2111da177e4SLinus Torvalds {"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2121da177e4SLinus Torvalds {"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2131da177e4SLinus Torvalds {"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
21412427d99SMike Christie {"NEC", "iStorage", NULL, BLIST_REPORTLUN2},
2151da177e4SLinus Torvalds {"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2161da177e4SLinus Torvalds {"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2171da177e4SLinus Torvalds {"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2181da177e4SLinus Torvalds {"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2191da177e4SLinus Torvalds {"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
220f4fd20bfSKarl Magnus Kolstoe {"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
2210213436aSJanusz Dziemidowicz {"Promise", "VTrak E610f", NULL, BLIST_SPARSELUN | BLIST_NO_RSOC},
222e0b2e597SEd Lin {"Promise", "", NULL, BLIST_SPARSELUN},
223fbd83006SEwan D. Milne {"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES},
22435e9a9f9SMike Christie {"QNAP", "iSCSI Storage", NULL, BLIST_MAX_1024},
2259055082fSMike Christie {"SYNOLOGY", "iSCSI Storage", NULL, BLIST_MAX_1024},
2262ffb45c6SMatthew Wilcox {"QUANTUM", "XP34301", "1071", BLIST_NOTQ},
2271da177e4SLinus Torvalds {"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN},
2281da177e4SLinus Torvalds {"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN},
2291da177e4SLinus Torvalds {"SEAGATE", "ST34555N", "0930", BLIST_NOTQ}, /* Chokes on tagged INQUIRY */
2301da177e4SLinus Torvalds {"SEAGATE", "ST3390N", "9546", BLIST_NOTQ},
23156f2a801SMartin K. Petersen {"SEAGATE", "ST900MM0006", NULL, BLIST_SKIP_VPD_PAGES},
2321da177e4SLinus Torvalds {"SGI", "RAID3", "*", BLIST_SPARSELUN},
2331da177e4SLinus Torvalds {"SGI", "RAID5", "*", BLIST_SPARSELUN},
2341da177e4SLinus Torvalds {"SGI", "TP9100", "*", BLIST_REPORTLUN2},
2351da177e4SLinus Torvalds {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
236a204b490SJoel Selvaraj {"SKhynix", "H28U74301AMR", NULL, BLIST_SKIP_VPD_PAGES},
23748690405SAnton Blanchard {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
238debf4777SILLES, Marton {"SUN", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
2394aa312b9SJames Bottomley {"DELL", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
240c6b269baSXose Vazquez Perez {"STK", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
241c6b269baSXose Vazquez Perez {"NETAPP", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
242c6b269baSXose Vazquez Perez {"LSI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
243c6b269baSXose Vazquez Perez {"ENGENIO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
2441cb1d2c6SXose Vazquez Perez {"LENOVO", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
245e094fd34SSteve Schremmer {"FUJITSU", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
2464bc02214SMarcos Paulo de Souza {"SanDisk", "Cruzer Blade", NULL, BLIST_TRY_VPD_PAGES |
2474bc02214SMarcos Paulo de Souza BLIST_INQUIRY_36},
2481da177e4SLinus Torvalds {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
2491da177e4SLinus Torvalds {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
2501da177e4SLinus Torvalds {"SONY", "TSL", NULL, BLIST_FORCELUN}, /* DDS3 & DDS4 autoloaders */
2511da177e4SLinus Torvalds {"ST650211", "CF", NULL, BLIST_RETRY_HWERROR},
2521da177e4SLinus Torvalds {"SUN", "T300", "*", BLIST_SPARSELUN},
2531da177e4SLinus Torvalds {"SUN", "T4", "*", BLIST_SPARSELUN},
2545f619c5bSMike Christie {"Tornado-", "F4", "*", BLIST_NOREPORTLUN},
2551da177e4SLinus Torvalds {"TOSHIBA", "CDROM", NULL, BLIST_ISROM},
2561da177e4SLinus Torvalds {"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM},
25782103978SWerner Fink {"Traxdata", "CDR4120", NULL, BLIST_NOLUN}, /* locks up */
2581da177e4SLinus Torvalds {"USB2.0", "SMARTMEDIA/XD", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36},
2591da177e4SLinus Torvalds {"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN},
2601da177e4SLinus Torvalds {"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN},
2611da177e4SLinus Torvalds {"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN},
2621da177e4SLinus Torvalds {"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN},
2631da177e4SLinus Torvalds {"XYRATEX", "RS", "*", BLIST_SPARSELUN | BLIST_LARGELUN},
2641da177e4SLinus Torvalds {"Zzyzx", "RocketStor 500S", NULL, BLIST_SPARSELUN},
2651da177e4SLinus Torvalds {"Zzyzx", "RocketStor 2000", NULL, BLIST_SPARSELUN},
2661da177e4SLinus Torvalds { NULL, NULL, NULL, 0 },
2671da177e4SLinus Torvalds };
2681da177e4SLinus Torvalds
scsi_devinfo_lookup_by_key(int key)269598fa4b7SJames Bottomley static struct scsi_dev_info_list_table *scsi_devinfo_lookup_by_key(int key)
270598fa4b7SJames Bottomley {
271598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table;
272598fa4b7SJames Bottomley int found = 0;
273598fa4b7SJames Bottomley
274598fa4b7SJames Bottomley list_for_each_entry(devinfo_table, &scsi_dev_info_list, node)
275598fa4b7SJames Bottomley if (devinfo_table->key == key) {
276598fa4b7SJames Bottomley found = 1;
277598fa4b7SJames Bottomley break;
278598fa4b7SJames Bottomley }
279598fa4b7SJames Bottomley if (!found)
280598fa4b7SJames Bottomley return ERR_PTR(-EINVAL);
281598fa4b7SJames Bottomley
282598fa4b7SJames Bottomley return devinfo_table;
283598fa4b7SJames Bottomley }
284598fa4b7SJames Bottomley
2851da177e4SLinus Torvalds /*
2861da177e4SLinus Torvalds * scsi_strcpy_devinfo: called from scsi_dev_info_list_add to copy into
2871da177e4SLinus Torvalds * devinfo vendor and model strings.
2881da177e4SLinus Torvalds */
scsi_strcpy_devinfo(char * name,char * to,size_t to_length,char * from,int compatible)2891da177e4SLinus Torvalds static void scsi_strcpy_devinfo(char *name, char *to, size_t to_length,
2901da177e4SLinus Torvalds char *from, int compatible)
2911da177e4SLinus Torvalds {
2921da177e4SLinus Torvalds size_t from_length;
2931da177e4SLinus Torvalds
2941da177e4SLinus Torvalds from_length = strlen(from);
2951b60c86dSJustin Stitt
2961da177e4SLinus Torvalds /*
2971b60c86dSJustin Stitt * null pad and null terminate if compatible
2981b60c86dSJustin Stitt * otherwise space pad
2991da177e4SLinus Torvalds */
3001b60c86dSJustin Stitt if (compatible)
3011b60c86dSJustin Stitt strscpy_pad(to, from, to_length);
3021b60c86dSJustin Stitt else
3031b60c86dSJustin Stitt memcpy_and_pad(to, to_length, from, from_length, ' ');
3041b60c86dSJustin Stitt
3051da177e4SLinus Torvalds if (from_length > to_length)
3061da177e4SLinus Torvalds printk(KERN_WARNING "%s: %s string '%s' is too long\n",
307cadbd4a5SHarvey Harrison __func__, name, from);
3081da177e4SLinus Torvalds }
3091da177e4SLinus Torvalds
3101da177e4SLinus Torvalds /**
311eb44820cSRob Landley * scsi_dev_info_list_add - add one dev_info list entry.
312eb44820cSRob Landley * @compatible: if true, null terminate short strings. Otherwise space pad.
3131da177e4SLinus Torvalds * @vendor: vendor string
3141da177e4SLinus Torvalds * @model: model (product) string
3151da177e4SLinus Torvalds * @strflags: integer string
316eb44820cSRob Landley * @flags: if strflags NULL, use this flag value
3171da177e4SLinus Torvalds *
3181da177e4SLinus Torvalds * Description:
3191da177e4SLinus Torvalds * Create and add one dev_info entry for @vendor, @model, @strflags or
3201da177e4SLinus Torvalds * @flag. If @compatible, add to the tail of the list, do not space
3211da177e4SLinus Torvalds * pad, and set devinfo->compatible. The scsi_static_device_list entries
3221da177e4SLinus Torvalds * are added with @compatible 1 and @clfags NULL.
3231da177e4SLinus Torvalds *
3241da177e4SLinus Torvalds * Returns: 0 OK, -error on failure.
3251da177e4SLinus Torvalds **/
scsi_dev_info_list_add(int compatible,char * vendor,char * model,char * strflags,blist_flags_t flags)3261da177e4SLinus Torvalds static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,
3275ebde469SHannes Reinecke char *strflags, blist_flags_t flags)
3281da177e4SLinus Torvalds {
329598fa4b7SJames Bottomley return scsi_dev_info_list_add_keyed(compatible, vendor, model,
330598fa4b7SJames Bottomley strflags, flags,
331598fa4b7SJames Bottomley SCSI_DEVINFO_GLOBAL);
332598fa4b7SJames Bottomley }
333598fa4b7SJames Bottomley
334598fa4b7SJames Bottomley /**
335598fa4b7SJames Bottomley * scsi_dev_info_list_add_keyed - add one dev_info list entry.
336598fa4b7SJames Bottomley * @compatible: if true, null terminate short strings. Otherwise space pad.
337598fa4b7SJames Bottomley * @vendor: vendor string
338598fa4b7SJames Bottomley * @model: model (product) string
339598fa4b7SJames Bottomley * @strflags: integer string
340598fa4b7SJames Bottomley * @flags: if strflags NULL, use this flag value
341598fa4b7SJames Bottomley * @key: specify list to use
342598fa4b7SJames Bottomley *
343598fa4b7SJames Bottomley * Description:
344598fa4b7SJames Bottomley * Create and add one dev_info entry for @vendor, @model,
345598fa4b7SJames Bottomley * @strflags or @flag in list specified by @key. If @compatible,
346598fa4b7SJames Bottomley * add to the tail of the list, do not space pad, and set
347598fa4b7SJames Bottomley * devinfo->compatible. The scsi_static_device_list entries are
348598fa4b7SJames Bottomley * added with @compatible 1 and @clfags NULL.
349598fa4b7SJames Bottomley *
350598fa4b7SJames Bottomley * Returns: 0 OK, -error on failure.
351598fa4b7SJames Bottomley **/
scsi_dev_info_list_add_keyed(int compatible,char * vendor,char * model,char * strflags,blist_flags_t flags,enum scsi_devinfo_key key)352598fa4b7SJames Bottomley int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,
3534b1d8e78SBart Van Assche char *strflags, blist_flags_t flags,
3544b1d8e78SBart Van Assche enum scsi_devinfo_key key)
355598fa4b7SJames Bottomley {
3561da177e4SLinus Torvalds struct scsi_dev_info_list *devinfo;
357598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
358598fa4b7SJames Bottomley scsi_devinfo_lookup_by_key(key);
359598fa4b7SJames Bottomley
360598fa4b7SJames Bottomley if (IS_ERR(devinfo_table))
361598fa4b7SJames Bottomley return PTR_ERR(devinfo_table);
3621da177e4SLinus Torvalds
3631da177e4SLinus Torvalds devinfo = kmalloc(sizeof(*devinfo), GFP_KERNEL);
3641da177e4SLinus Torvalds if (!devinfo) {
365cadbd4a5SHarvey Harrison printk(KERN_ERR "%s: no memory\n", __func__);
3661da177e4SLinus Torvalds return -ENOMEM;
3671da177e4SLinus Torvalds }
3681da177e4SLinus Torvalds
3691da177e4SLinus Torvalds scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor),
3701da177e4SLinus Torvalds vendor, compatible);
3711da177e4SLinus Torvalds scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model),
3721da177e4SLinus Torvalds model, compatible);
3731da177e4SLinus Torvalds
37414098803SMartin Wilck if (strflags) {
37514098803SMartin Wilck unsigned long long val;
37614098803SMartin Wilck int ret = kstrtoull(strflags, 0, &val);
37714098803SMartin Wilck
37814098803SMartin Wilck if (ret != 0) {
37914098803SMartin Wilck kfree(devinfo);
38014098803SMartin Wilck return ret;
38114098803SMartin Wilck }
38214098803SMartin Wilck flags = (__force blist_flags_t)val;
38314098803SMartin Wilck }
384358fda5fSMartin Wilck if (flags & __BLIST_UNUSED_MASK) {
385358fda5fSMartin Wilck pr_err("scsi_devinfo (%s:%s): unsupported flags 0x%llx",
386358fda5fSMartin Wilck vendor, model, flags & __BLIST_UNUSED_MASK);
387358fda5fSMartin Wilck kfree(devinfo);
388358fda5fSMartin Wilck return -EINVAL;
389358fda5fSMartin Wilck }
3901da177e4SLinus Torvalds devinfo->flags = flags;
3911da177e4SLinus Torvalds devinfo->compatible = compatible;
3921da177e4SLinus Torvalds
3931da177e4SLinus Torvalds if (compatible)
394598fa4b7SJames Bottomley list_add_tail(&devinfo->dev_info_list,
395598fa4b7SJames Bottomley &devinfo_table->scsi_dev_info_list);
3961da177e4SLinus Torvalds else
397598fa4b7SJames Bottomley list_add(&devinfo->dev_info_list,
398598fa4b7SJames Bottomley &devinfo_table->scsi_dev_info_list);
3991da177e4SLinus Torvalds
4001da177e4SLinus Torvalds return 0;
4011da177e4SLinus Torvalds }
402598fa4b7SJames Bottomley EXPORT_SYMBOL(scsi_dev_info_list_add_keyed);
4031da177e4SLinus Torvalds
4041da177e4SLinus Torvalds /**
405c42b3654SAlan Stern * scsi_dev_info_list_find - find a matching dev_info list entry.
406b8018b97SHannes Reinecke * @vendor: full vendor string
407b8018b97SHannes Reinecke * @model: full model (product) string
40838a039beSPeter Jones * @key: specify list to use
40938a039beSPeter Jones *
41038a039beSPeter Jones * Description:
411c42b3654SAlan Stern * Finds the first dev_info entry matching @vendor, @model
41238a039beSPeter Jones * in list specified by @key.
41338a039beSPeter Jones *
414c42b3654SAlan Stern * Returns: pointer to matching entry, or ERR_PTR on failure.
41538a039beSPeter Jones **/
scsi_dev_info_list_find(const char * vendor,const char * model,enum scsi_devinfo_key key)416c42b3654SAlan Stern static struct scsi_dev_info_list *scsi_dev_info_list_find(const char *vendor,
4174b1d8e78SBart Van Assche const char *model, enum scsi_devinfo_key key)
41838a039beSPeter Jones {
419c42b3654SAlan Stern struct scsi_dev_info_list *devinfo;
42038a039beSPeter Jones struct scsi_dev_info_list_table *devinfo_table =
42138a039beSPeter Jones scsi_devinfo_lookup_by_key(key);
422b8018b97SHannes Reinecke size_t vmax, mmax, mlen;
423b704f70cSAlan Stern const char *vskip, *mskip;
42438a039beSPeter Jones
42538a039beSPeter Jones if (IS_ERR(devinfo_table))
426c42b3654SAlan Stern return (struct scsi_dev_info_list *) devinfo_table;
42738a039beSPeter Jones
428b704f70cSAlan Stern /* Prepare for "compatible" matches */
429b704f70cSAlan Stern
43038a039beSPeter Jones /*
43138a039beSPeter Jones * XXX why skip leading spaces? If an odd INQUIRY
43238a039beSPeter Jones * value, that should have been part of the
43338a039beSPeter Jones * scsi_static_device_list[] entry, such as " FOO"
43438a039beSPeter Jones * rather than "FOO". Since this code is already
43538a039beSPeter Jones * here, and we don't know what device it is
43638a039beSPeter Jones * trying to work with, leave it as-is.
43738a039beSPeter Jones */
4385e7ff2caSAlan Stern vmax = sizeof(devinfo->vendor);
439b704f70cSAlan Stern vskip = vendor;
440b704f70cSAlan Stern while (vmax > 0 && *vskip == ' ') {
441b704f70cSAlan Stern vmax--;
442b704f70cSAlan Stern vskip++;
44338a039beSPeter Jones }
444b704f70cSAlan Stern /* Also skip trailing spaces */
445b704f70cSAlan Stern while (vmax > 0 && vskip[vmax - 1] == ' ')
446b704f70cSAlan Stern --vmax;
447b704f70cSAlan Stern
4485e7ff2caSAlan Stern mmax = sizeof(devinfo->model);
449b704f70cSAlan Stern mskip = model;
450b704f70cSAlan Stern while (mmax > 0 && *mskip == ' ') {
451b704f70cSAlan Stern mmax--;
452b704f70cSAlan Stern mskip++;
453b704f70cSAlan Stern }
454b704f70cSAlan Stern while (mmax > 0 && mskip[mmax - 1] == ' ')
455b704f70cSAlan Stern --mmax;
456b704f70cSAlan Stern
457b704f70cSAlan Stern list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list,
458b704f70cSAlan Stern dev_info_list) {
459b704f70cSAlan Stern if (devinfo->compatible) {
46038a039beSPeter Jones /*
461b8018b97SHannes Reinecke * vendor strings must be an exact match
46238a039beSPeter Jones */
463ba69ead9SMartin Wilck if (vmax != strnlen(devinfo->vendor,
464ba69ead9SMartin Wilck sizeof(devinfo->vendor)) ||
465b8018b97SHannes Reinecke memcmp(devinfo->vendor, vskip, vmax))
46638a039beSPeter Jones continue;
467b8018b97SHannes Reinecke
468b8018b97SHannes Reinecke /*
469b8018b97SHannes Reinecke * @model specifies the full string, and
470b8018b97SHannes Reinecke * must be larger or equal to devinfo->model
471b8018b97SHannes Reinecke */
472ba69ead9SMartin Wilck mlen = strnlen(devinfo->model, sizeof(devinfo->model));
473b8018b97SHannes Reinecke if (mmax < mlen || memcmp(devinfo->model, mskip, mlen))
47438a039beSPeter Jones continue;
475c42b3654SAlan Stern return devinfo;
47638a039beSPeter Jones } else {
47738a039beSPeter Jones if (!memcmp(devinfo->vendor, vendor,
47838a039beSPeter Jones sizeof(devinfo->vendor)) &&
47938a039beSPeter Jones !memcmp(devinfo->model, model,
48038a039beSPeter Jones sizeof(devinfo->model)))
481c42b3654SAlan Stern return devinfo;
48238a039beSPeter Jones }
48338a039beSPeter Jones }
48438a039beSPeter Jones
485c42b3654SAlan Stern return ERR_PTR(-ENOENT);
486c42b3654SAlan Stern }
487c42b3654SAlan Stern
488c42b3654SAlan Stern /**
489c42b3654SAlan Stern * scsi_dev_info_list_del_keyed - remove one dev_info list entry.
490c42b3654SAlan Stern * @vendor: vendor string
491c42b3654SAlan Stern * @model: model (product) string
492c42b3654SAlan Stern * @key: specify list to use
493c42b3654SAlan Stern *
494c42b3654SAlan Stern * Description:
495c42b3654SAlan Stern * Remove and destroy one dev_info entry for @vendor, @model
496c42b3654SAlan Stern * in list specified by @key.
497c42b3654SAlan Stern *
498c42b3654SAlan Stern * Returns: 0 OK, -error on failure.
499c42b3654SAlan Stern **/
scsi_dev_info_list_del_keyed(char * vendor,char * model,enum scsi_devinfo_key key)5004b1d8e78SBart Van Assche int scsi_dev_info_list_del_keyed(char *vendor, char *model,
5014b1d8e78SBart Van Assche enum scsi_devinfo_key key)
502c42b3654SAlan Stern {
503c42b3654SAlan Stern struct scsi_dev_info_list *found;
504c42b3654SAlan Stern
505c42b3654SAlan Stern found = scsi_dev_info_list_find(vendor, model, key);
506c42b3654SAlan Stern if (IS_ERR(found))
507c42b3654SAlan Stern return PTR_ERR(found);
508c42b3654SAlan Stern
50938a039beSPeter Jones list_del(&found->dev_info_list);
51038a039beSPeter Jones kfree(found);
51138a039beSPeter Jones return 0;
51238a039beSPeter Jones }
51338a039beSPeter Jones EXPORT_SYMBOL(scsi_dev_info_list_del_keyed);
51438a039beSPeter Jones
51538a039beSPeter Jones /**
516eb44820cSRob Landley * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list.
5171da177e4SLinus Torvalds * @dev_list: string of device flags to add
5181da177e4SLinus Torvalds *
5191da177e4SLinus Torvalds * Description:
5201da177e4SLinus Torvalds * Parse dev_list, and add entries to the scsi_dev_info_list.
5211da177e4SLinus Torvalds * dev_list is of the form "vendor:product:flag,vendor:product:flag".
5221da177e4SLinus Torvalds * dev_list is modified via strsep. Can be called for command line
5231da177e4SLinus Torvalds * addition, for proc or mabye a sysfs interface.
5241da177e4SLinus Torvalds *
5251da177e4SLinus Torvalds * Returns: 0 if OK, -error on failure.
5261da177e4SLinus Torvalds **/
scsi_dev_info_list_add_str(char * dev_list)5271da177e4SLinus Torvalds static int scsi_dev_info_list_add_str(char *dev_list)
5281da177e4SLinus Torvalds {
5291da177e4SLinus Torvalds char *vendor, *model, *strflags, *next;
5301da177e4SLinus Torvalds char *next_check;
5311da177e4SLinus Torvalds int res = 0;
5321da177e4SLinus Torvalds
5331da177e4SLinus Torvalds next = dev_list;
5341da177e4SLinus Torvalds if (next && next[0] == '"') {
5351da177e4SLinus Torvalds /*
5361da177e4SLinus Torvalds * Ignore both the leading and trailing quote.
5371da177e4SLinus Torvalds */
5381da177e4SLinus Torvalds next++;
5391da177e4SLinus Torvalds next_check = ",\"";
5401da177e4SLinus Torvalds } else {
5411da177e4SLinus Torvalds next_check = ",";
5421da177e4SLinus Torvalds }
5431da177e4SLinus Torvalds
5441da177e4SLinus Torvalds /*
5451da177e4SLinus Torvalds * For the leading and trailing '"' case, the for loop comes
5461da177e4SLinus Torvalds * through the last time with vendor[0] == '\0'.
5471da177e4SLinus Torvalds */
5481da177e4SLinus Torvalds for (vendor = strsep(&next, ":"); vendor && (vendor[0] != '\0')
5491da177e4SLinus Torvalds && (res == 0); vendor = strsep(&next, ":")) {
5501da177e4SLinus Torvalds strflags = NULL;
5511da177e4SLinus Torvalds model = strsep(&next, ":");
5521da177e4SLinus Torvalds if (model)
5531da177e4SLinus Torvalds strflags = strsep(&next, next_check);
5541da177e4SLinus Torvalds if (!model || !strflags) {
555796cae1aSPetr Mladek pr_err("%s: bad dev info string '%s' '%s' '%s'\n",
556796cae1aSPetr Mladek __func__, vendor, model ? model : "",
557796cae1aSPetr Mladek strflags ? strflags : "");
5581da177e4SLinus Torvalds res = -EINVAL;
5591da177e4SLinus Torvalds } else
5601da177e4SLinus Torvalds res = scsi_dev_info_list_add(0 /* compatible */, vendor,
5611da177e4SLinus Torvalds model, strflags, 0);
5621da177e4SLinus Torvalds }
5631da177e4SLinus Torvalds return res;
5641da177e4SLinus Torvalds }
5651da177e4SLinus Torvalds
5661da177e4SLinus Torvalds /**
567ae6b4e69SMauro Carvalho Chehab * scsi_get_device_flags - get device specific flags from the dynamic
568ae6b4e69SMauro Carvalho Chehab * device list.
569eb44820cSRob Landley * @sdev: &scsi_device to get flags for
5701da177e4SLinus Torvalds * @vendor: vendor name
5711da177e4SLinus Torvalds * @model: model name
5721da177e4SLinus Torvalds *
5731da177e4SLinus Torvalds * Description:
574598fa4b7SJames Bottomley * Search the global scsi_dev_info_list (specified by list zero)
575598fa4b7SJames Bottomley * for an entry matching @vendor and @model, if found, return the
576598fa4b7SJames Bottomley * matching flags value, else return the host or global default
577598fa4b7SJames Bottomley * settings. Called during scan time.
5781da177e4SLinus Torvalds **/
scsi_get_device_flags(struct scsi_device * sdev,const unsigned char * vendor,const unsigned char * model)5795ebde469SHannes Reinecke blist_flags_t scsi_get_device_flags(struct scsi_device *sdev,
5807f23e146SJames Bottomley const unsigned char *vendor,
5817f23e146SJames Bottomley const unsigned char *model)
5821da177e4SLinus Torvalds {
583598fa4b7SJames Bottomley return scsi_get_device_flags_keyed(sdev, vendor, model,
584598fa4b7SJames Bottomley SCSI_DEVINFO_GLOBAL);
585598fa4b7SJames Bottomley }
586598fa4b7SJames Bottomley
587598fa4b7SJames Bottomley
588598fa4b7SJames Bottomley /**
5891acf3b06SRandy Dunlap * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list
590598fa4b7SJames Bottomley * @sdev: &scsi_device to get flags for
591598fa4b7SJames Bottomley * @vendor: vendor name
592598fa4b7SJames Bottomley * @model: model name
593598fa4b7SJames Bottomley * @key: list to look up
594598fa4b7SJames Bottomley *
595598fa4b7SJames Bottomley * Description:
596598fa4b7SJames Bottomley * Search the scsi_dev_info_list specified by @key for an entry
597598fa4b7SJames Bottomley * matching @vendor and @model, if found, return the matching
598598fa4b7SJames Bottomley * flags value, else return the host or global default settings.
599598fa4b7SJames Bottomley * Called during scan time.
600598fa4b7SJames Bottomley **/
scsi_get_device_flags_keyed(struct scsi_device * sdev,const unsigned char * vendor,const unsigned char * model,enum scsi_devinfo_key key)6015ebde469SHannes Reinecke blist_flags_t scsi_get_device_flags_keyed(struct scsi_device *sdev,
602598fa4b7SJames Bottomley const unsigned char *vendor,
603598fa4b7SJames Bottomley const unsigned char *model,
6044b1d8e78SBart Van Assche enum scsi_devinfo_key key)
605598fa4b7SJames Bottomley {
6061da177e4SLinus Torvalds struct scsi_dev_info_list *devinfo;
6071da177e4SLinus Torvalds
608c42b3654SAlan Stern devinfo = scsi_dev_info_list_find(vendor, model, key);
609c42b3654SAlan Stern if (!IS_ERR(devinfo))
6101da177e4SLinus Torvalds return devinfo->flags;
611c42b3654SAlan Stern
612a44c9d36SBart Van Assche /* key or device not found: return nothing */
613598fa4b7SJames Bottomley if (key != SCSI_DEVINFO_GLOBAL)
614598fa4b7SJames Bottomley return 0;
615598fa4b7SJames Bottomley
616598fa4b7SJames Bottomley /* except for the global list, where we have an exception */
617598fa4b7SJames Bottomley if (sdev->sdev_bflags)
618598fa4b7SJames Bottomley return sdev->sdev_bflags;
619598fa4b7SJames Bottomley
620598fa4b7SJames Bottomley return scsi_default_dev_flags;
6211da177e4SLinus Torvalds }
622598fa4b7SJames Bottomley EXPORT_SYMBOL(scsi_get_device_flags_keyed);
6231da177e4SLinus Torvalds
6241da177e4SLinus Torvalds #ifdef CONFIG_SCSI_PROC_FS
625598fa4b7SJames Bottomley struct double_list {
626598fa4b7SJames Bottomley struct list_head *top;
627598fa4b7SJames Bottomley struct list_head *bottom;
628598fa4b7SJames Bottomley };
629598fa4b7SJames Bottomley
devinfo_seq_show(struct seq_file * m,void * v)630352ced8eSAlexey Dobriyan static int devinfo_seq_show(struct seq_file *m, void *v)
6311da177e4SLinus Torvalds {
632598fa4b7SJames Bottomley struct double_list *dl = v;
633598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
634598fa4b7SJames Bottomley list_entry(dl->top, struct scsi_dev_info_list_table, node);
635352ced8eSAlexey Dobriyan struct scsi_dev_info_list *devinfo =
636598fa4b7SJames Bottomley list_entry(dl->bottom, struct scsi_dev_info_list,
637598fa4b7SJames Bottomley dev_info_list);
638598fa4b7SJames Bottomley
639598fa4b7SJames Bottomley if (devinfo_table->scsi_dev_info_list.next == dl->bottom &&
640598fa4b7SJames Bottomley devinfo_table->name)
641598fa4b7SJames Bottomley seq_printf(m, "[%s]:\n", devinfo_table->name);
6421da177e4SLinus Torvalds
64314098803SMartin Wilck seq_printf(m, "'%.8s' '%.16s' 0x%llx\n",
6441da177e4SLinus Torvalds devinfo->vendor, devinfo->model, devinfo->flags);
645352ced8eSAlexey Dobriyan return 0;
6461da177e4SLinus Torvalds }
6471da177e4SLinus Torvalds
devinfo_seq_start(struct seq_file * m,loff_t * ppos)648598fa4b7SJames Bottomley static void *devinfo_seq_start(struct seq_file *m, loff_t *ppos)
649352ced8eSAlexey Dobriyan {
650598fa4b7SJames Bottomley struct double_list *dl = kmalloc(sizeof(*dl), GFP_KERNEL);
651598fa4b7SJames Bottomley loff_t pos = *ppos;
652598fa4b7SJames Bottomley
653598fa4b7SJames Bottomley if (!dl)
654598fa4b7SJames Bottomley return NULL;
655598fa4b7SJames Bottomley
656598fa4b7SJames Bottomley list_for_each(dl->top, &scsi_dev_info_list) {
657598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
658598fa4b7SJames Bottomley list_entry(dl->top, struct scsi_dev_info_list_table,
659598fa4b7SJames Bottomley node);
660598fa4b7SJames Bottomley list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list)
661598fa4b7SJames Bottomley if (pos-- == 0)
662598fa4b7SJames Bottomley return dl;
663352ced8eSAlexey Dobriyan }
664352ced8eSAlexey Dobriyan
665598fa4b7SJames Bottomley kfree(dl);
666598fa4b7SJames Bottomley return NULL;
667598fa4b7SJames Bottomley }
668598fa4b7SJames Bottomley
devinfo_seq_next(struct seq_file * m,void * v,loff_t * ppos)669598fa4b7SJames Bottomley static void *devinfo_seq_next(struct seq_file *m, void *v, loff_t *ppos)
670352ced8eSAlexey Dobriyan {
671598fa4b7SJames Bottomley struct double_list *dl = v;
672598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
673598fa4b7SJames Bottomley list_entry(dl->top, struct scsi_dev_info_list_table, node);
674598fa4b7SJames Bottomley
675598fa4b7SJames Bottomley ++*ppos;
676598fa4b7SJames Bottomley dl->bottom = dl->bottom->next;
677598fa4b7SJames Bottomley while (&devinfo_table->scsi_dev_info_list == dl->bottom) {
678598fa4b7SJames Bottomley dl->top = dl->top->next;
679598fa4b7SJames Bottomley if (dl->top == &scsi_dev_info_list) {
680598fa4b7SJames Bottomley kfree(dl);
681598fa4b7SJames Bottomley return NULL;
682598fa4b7SJames Bottomley }
683598fa4b7SJames Bottomley devinfo_table = list_entry(dl->top,
684598fa4b7SJames Bottomley struct scsi_dev_info_list_table,
685598fa4b7SJames Bottomley node);
686598fa4b7SJames Bottomley dl->bottom = devinfo_table->scsi_dev_info_list.next;
687598fa4b7SJames Bottomley }
688598fa4b7SJames Bottomley
689598fa4b7SJames Bottomley return dl;
690352ced8eSAlexey Dobriyan }
691352ced8eSAlexey Dobriyan
devinfo_seq_stop(struct seq_file * m,void * v)692352ced8eSAlexey Dobriyan static void devinfo_seq_stop(struct seq_file *m, void *v)
693352ced8eSAlexey Dobriyan {
694598fa4b7SJames Bottomley kfree(v);
695352ced8eSAlexey Dobriyan }
696352ced8eSAlexey Dobriyan
697352ced8eSAlexey Dobriyan static const struct seq_operations scsi_devinfo_seq_ops = {
698352ced8eSAlexey Dobriyan .start = devinfo_seq_start,
699352ced8eSAlexey Dobriyan .next = devinfo_seq_next,
700352ced8eSAlexey Dobriyan .stop = devinfo_seq_stop,
701352ced8eSAlexey Dobriyan .show = devinfo_seq_show,
702352ced8eSAlexey Dobriyan };
703352ced8eSAlexey Dobriyan
proc_scsi_devinfo_open(struct inode * inode,struct file * file)704352ced8eSAlexey Dobriyan static int proc_scsi_devinfo_open(struct inode *inode, struct file *file)
705352ced8eSAlexey Dobriyan {
706352ced8eSAlexey Dobriyan return seq_open(file, &scsi_devinfo_seq_ops);
7071da177e4SLinus Torvalds }
7081da177e4SLinus Torvalds
7091da177e4SLinus Torvalds /*
710eb44820cSRob Landley * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc.
7111da177e4SLinus Torvalds *
712eb44820cSRob Landley * Description: Adds a black/white list entry for vendor and model with an
713eb44820cSRob Landley * integer value of flag to the scsi device info list.
714eb44820cSRob Landley * To use, echo "vendor:model:flag" > /proc/scsi/device_info
7151da177e4SLinus Torvalds */
proc_scsi_devinfo_write(struct file * file,const char __user * buf,size_t length,loff_t * ppos)716352ced8eSAlexey Dobriyan static ssize_t proc_scsi_devinfo_write(struct file *file,
717352ced8eSAlexey Dobriyan const char __user *buf,
718352ced8eSAlexey Dobriyan size_t length, loff_t *ppos)
7191da177e4SLinus Torvalds {
7201da177e4SLinus Torvalds char *buffer;
721352ced8eSAlexey Dobriyan ssize_t err = length;
7221da177e4SLinus Torvalds
7231da177e4SLinus Torvalds if (!buf || length>PAGE_SIZE)
7241da177e4SLinus Torvalds return -EINVAL;
7251da177e4SLinus Torvalds if (!(buffer = (char *) __get_free_page(GFP_KERNEL)))
7261da177e4SLinus Torvalds return -ENOMEM;
7271da177e4SLinus Torvalds if (copy_from_user(buffer, buf, length)) {
7281da177e4SLinus Torvalds err =-EFAULT;
7291da177e4SLinus Torvalds goto out;
7301da177e4SLinus Torvalds }
7311da177e4SLinus Torvalds
7321da177e4SLinus Torvalds if (length < PAGE_SIZE)
7331da177e4SLinus Torvalds buffer[length] = '\0';
7341da177e4SLinus Torvalds else if (buffer[PAGE_SIZE-1]) {
7351da177e4SLinus Torvalds err = -EINVAL;
7361da177e4SLinus Torvalds goto out;
7371da177e4SLinus Torvalds }
7381da177e4SLinus Torvalds
7391da177e4SLinus Torvalds scsi_dev_info_list_add_str(buffer);
7401da177e4SLinus Torvalds
7411da177e4SLinus Torvalds out:
7421da177e4SLinus Torvalds free_page((unsigned long)buffer);
7431da177e4SLinus Torvalds return err;
7441da177e4SLinus Torvalds }
745352ced8eSAlexey Dobriyan
74697a32539SAlexey Dobriyan static const struct proc_ops scsi_devinfo_proc_ops = {
74797a32539SAlexey Dobriyan .proc_open = proc_scsi_devinfo_open,
74897a32539SAlexey Dobriyan .proc_read = seq_read,
74997a32539SAlexey Dobriyan .proc_write = proc_scsi_devinfo_write,
75097a32539SAlexey Dobriyan .proc_lseek = seq_lseek,
75197a32539SAlexey Dobriyan .proc_release = seq_release,
752352ced8eSAlexey Dobriyan };
7531da177e4SLinus Torvalds #endif /* CONFIG_SCSI_PROC_FS */
7541da177e4SLinus Torvalds
7551da177e4SLinus Torvalds module_param_string(dev_flags, scsi_dev_flags, sizeof(scsi_dev_flags), 0);
7561da177e4SLinus Torvalds MODULE_PARM_DESC(dev_flags,
7571da177e4SLinus Torvalds "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white"
7581da177e4SLinus Torvalds " list entries for vendor and model with an integer value of flags"
7591da177e4SLinus Torvalds " to the scsi device info list");
7601da177e4SLinus Torvalds
76114098803SMartin Wilck module_param_named(default_dev_flags, scsi_default_dev_flags, ullong, 0644);
7621da177e4SLinus Torvalds MODULE_PARM_DESC(default_dev_flags,
76314098803SMartin Wilck "scsi default device flag uint64_t value");
7641da177e4SLinus Torvalds
7651da177e4SLinus Torvalds /**
7661acf3b06SRandy Dunlap * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list
7671da177e4SLinus Torvalds **/
scsi_exit_devinfo(void)7681da177e4SLinus Torvalds void scsi_exit_devinfo(void)
7691da177e4SLinus Torvalds {
7701da177e4SLinus Torvalds #ifdef CONFIG_SCSI_PROC_FS
7711da177e4SLinus Torvalds remove_proc_entry("scsi/device_info", NULL);
7721da177e4SLinus Torvalds #endif
7731da177e4SLinus Torvalds
774598fa4b7SJames Bottomley scsi_dev_info_remove_list(SCSI_DEVINFO_GLOBAL);
775598fa4b7SJames Bottomley }
776598fa4b7SJames Bottomley
777598fa4b7SJames Bottomley /**
778598fa4b7SJames Bottomley * scsi_dev_info_add_list - add a new devinfo list
779598fa4b7SJames Bottomley * @key: key of the list to add
780598fa4b7SJames Bottomley * @name: Name of the list to add (for /proc/scsi/device_info)
781598fa4b7SJames Bottomley *
782598fa4b7SJames Bottomley * Adds the requested list, returns zero on success, -EEXIST if the
783598fa4b7SJames Bottomley * key is already registered to a list, or other error on failure.
784598fa4b7SJames Bottomley */
scsi_dev_info_add_list(enum scsi_devinfo_key key,const char * name)7854b1d8e78SBart Van Assche int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name)
786598fa4b7SJames Bottomley {
787598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
788598fa4b7SJames Bottomley scsi_devinfo_lookup_by_key(key);
789598fa4b7SJames Bottomley
790598fa4b7SJames Bottomley if (!IS_ERR(devinfo_table))
791598fa4b7SJames Bottomley /* list already exists */
792598fa4b7SJames Bottomley return -EEXIST;
793598fa4b7SJames Bottomley
794598fa4b7SJames Bottomley devinfo_table = kmalloc(sizeof(*devinfo_table), GFP_KERNEL);
795598fa4b7SJames Bottomley
796598fa4b7SJames Bottomley if (!devinfo_table)
797598fa4b7SJames Bottomley return -ENOMEM;
798598fa4b7SJames Bottomley
799598fa4b7SJames Bottomley INIT_LIST_HEAD(&devinfo_table->node);
800598fa4b7SJames Bottomley INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list);
801598fa4b7SJames Bottomley devinfo_table->name = name;
802598fa4b7SJames Bottomley devinfo_table->key = key;
803598fa4b7SJames Bottomley list_add_tail(&devinfo_table->node, &scsi_dev_info_list);
804598fa4b7SJames Bottomley
805598fa4b7SJames Bottomley return 0;
806598fa4b7SJames Bottomley }
807598fa4b7SJames Bottomley EXPORT_SYMBOL(scsi_dev_info_add_list);
808598fa4b7SJames Bottomley
809598fa4b7SJames Bottomley /**
810598fa4b7SJames Bottomley * scsi_dev_info_remove_list - destroy an added devinfo list
811598fa4b7SJames Bottomley * @key: key of the list to destroy
812598fa4b7SJames Bottomley *
813598fa4b7SJames Bottomley * Iterates over the entire list first, freeing all the values, then
814598fa4b7SJames Bottomley * frees the list itself. Returns 0 on success or -EINVAL if the key
815598fa4b7SJames Bottomley * can't be found.
816598fa4b7SJames Bottomley */
scsi_dev_info_remove_list(enum scsi_devinfo_key key)8174b1d8e78SBart Van Assche int scsi_dev_info_remove_list(enum scsi_devinfo_key key)
818598fa4b7SJames Bottomley {
819598fa4b7SJames Bottomley struct list_head *lh, *lh_next;
820598fa4b7SJames Bottomley struct scsi_dev_info_list_table *devinfo_table =
821598fa4b7SJames Bottomley scsi_devinfo_lookup_by_key(key);
822598fa4b7SJames Bottomley
823598fa4b7SJames Bottomley if (IS_ERR(devinfo_table))
824598fa4b7SJames Bottomley /* no such list */
825598fa4b7SJames Bottomley return -EINVAL;
826598fa4b7SJames Bottomley
827598fa4b7SJames Bottomley /* remove from the master list */
828598fa4b7SJames Bottomley list_del(&devinfo_table->node);
829598fa4b7SJames Bottomley
830598fa4b7SJames Bottomley list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) {
831598fa4b7SJames Bottomley struct scsi_dev_info_list *devinfo;
832598fa4b7SJames Bottomley
8331da177e4SLinus Torvalds devinfo = list_entry(lh, struct scsi_dev_info_list,
8341da177e4SLinus Torvalds dev_info_list);
8351da177e4SLinus Torvalds kfree(devinfo);
8361da177e4SLinus Torvalds }
837598fa4b7SJames Bottomley kfree(devinfo_table);
838598fa4b7SJames Bottomley
839598fa4b7SJames Bottomley return 0;
8401da177e4SLinus Torvalds }
841598fa4b7SJames Bottomley EXPORT_SYMBOL(scsi_dev_info_remove_list);
8421da177e4SLinus Torvalds
8431da177e4SLinus Torvalds /**
844c93ff979SRandy Dunlap * scsi_init_devinfo - set up the dynamic device list.
8451da177e4SLinus Torvalds *
8461da177e4SLinus Torvalds * Description:
847eb44820cSRob Landley * Add command line entries from scsi_dev_flags, then add
8481da177e4SLinus Torvalds * scsi_static_device_list entries to the scsi device info list.
849eb44820cSRob Landley */
scsi_init_devinfo(void)8501da177e4SLinus Torvalds int __init scsi_init_devinfo(void)
8511da177e4SLinus Torvalds {
8521da177e4SLinus Torvalds #ifdef CONFIG_SCSI_PROC_FS
8531da177e4SLinus Torvalds struct proc_dir_entry *p;
8541da177e4SLinus Torvalds #endif
8551da177e4SLinus Torvalds int error, i;
8561da177e4SLinus Torvalds
857598fa4b7SJames Bottomley error = scsi_dev_info_add_list(SCSI_DEVINFO_GLOBAL, NULL);
8581da177e4SLinus Torvalds if (error)
8591da177e4SLinus Torvalds return error;
8601da177e4SLinus Torvalds
861598fa4b7SJames Bottomley error = scsi_dev_info_list_add_str(scsi_dev_flags);
862598fa4b7SJames Bottomley if (error)
863598fa4b7SJames Bottomley goto out;
864598fa4b7SJames Bottomley
8651da177e4SLinus Torvalds for (i = 0; scsi_static_device_list[i].vendor; i++) {
8661da177e4SLinus Torvalds error = scsi_dev_info_list_add(1 /* compatibile */,
8671da177e4SLinus Torvalds scsi_static_device_list[i].vendor,
8681da177e4SLinus Torvalds scsi_static_device_list[i].model,
8691da177e4SLinus Torvalds NULL,
8701da177e4SLinus Torvalds scsi_static_device_list[i].flags);
8711da177e4SLinus Torvalds if (error)
8721da177e4SLinus Torvalds goto out;
8731da177e4SLinus Torvalds }
8741da177e4SLinus Torvalds
8751da177e4SLinus Torvalds #ifdef CONFIG_SCSI_PROC_FS
87697a32539SAlexey Dobriyan p = proc_create("scsi/device_info", 0, NULL, &scsi_devinfo_proc_ops);
8771da177e4SLinus Torvalds if (!p) {
8781da177e4SLinus Torvalds error = -ENOMEM;
8791da177e4SLinus Torvalds goto out;
8801da177e4SLinus Torvalds }
8811da177e4SLinus Torvalds #endif /* CONFIG_SCSI_PROC_FS */
8821da177e4SLinus Torvalds
8831da177e4SLinus Torvalds out:
8841da177e4SLinus Torvalds if (error)
8851da177e4SLinus Torvalds scsi_exit_devinfo();
8861da177e4SLinus Torvalds return error;
8871da177e4SLinus Torvalds }
888