1 // SPDX-License-Identifier: GPL-2.0
24 	char model[16];  member
43  * settings that differ from the default, includes black-listed (broken)
52 	char *model;  member
62 	{"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN},	/* locks up */
63 	{"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN},	/* locks up */
64 	{"DENON", "DRD-25X", "V", BLIST_NOLUN},			/* locks up */
67 	{"IBM", "2104-DU3", NULL, BLIST_NOLUN},		/* locks up */
68 	{"IBM", "2104-TU3", NULL, BLIST_NOLUN},		/* locks up */
70 	{"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},	/* locks up */
71 	{"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},	/* locks up */
72 	{"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN},	/* locks up */
73 	{"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN},	/* locks up */
74 	{"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN},	/* locks up */
75 	{"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN},	/* responds to all lun */
77 	{"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},/* locks up */
78 	{"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN},	/* responds to all lun */
85 	{"SANYO", "CRD-250S", "1.20", BLIST_NOLUN},
93 	{"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN},
94 	{"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN},
95 	{"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN},
96 	{"SONY", "CD-ROM CDU-8012", NULL, BLIST_NOLUN},
97 	{"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN},
99 	{"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN},	/* locks up */
104 	{"TEAC", "CD-ROM", "1.06", BLIST_NOLUN},
105 	{"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN},	/* responds to all lun */
113 	{"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN},	/* locks up */
115 	{"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN},	/* locks up */
122 	{"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN | BLIST_BORKEN},
138 	{"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN},
139 	{"BELKIN", "USB 2 HS-CF", "1.95",  BLIST_FORCELUN | BLIST_INQUIRY_36},
143 	{"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36},
144 	{"CMD", "CRA-7280", NULL, BLIST_SPARSELUN},	/* CMD RAID Controller */
173 	{"Generic", "USB Storage-SMC", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, /* FW: 0180 and 0207 */
176 	{"HITACHI", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
178 	{"HITACHI", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
180 	{"HP", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES}, /* HP XP Arrays */
181 	{"HP", "NetRAID-4M", NULL, BLIST_FORCELUN},
184 	{"HP", "C3323-300", "4269", BLIST_NOTQ},
186 	{"HP", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2},
187 	{"HPE", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES},
196 	{"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
201 	{"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
202 	{"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
203 	{"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
210 	{"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
211 	{"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
212 	{"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
214 	{"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
215 	{"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
216 	{"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
217 	{"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
218 	{"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
219 	{"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
222 	{"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES},
226 	{"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN},
227 	{"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN},
247 	{"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
248 	{"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
253 	{"Tornado-", "F4", "*", BLIST_NOREPORTLUN},
255 	{"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM},
258 	{"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN},
259 	{"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN},
260 	{"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN},
261 	{"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN},
274 		if (devinfo_table->key == key) {  in scsi_devinfo_lookup_by_key()
279 		return ERR_PTR(-EINVAL);  in scsi_devinfo_lookup_by_key()
286  * devinfo vendor and model strings.
294 	/* This zero-pads the destination */  in scsi_strcpy_devinfo()
300 		memset(&to[from_length], ' ', to_length - from_length);  in scsi_strcpy_devinfo()
308  * scsi_dev_info_list_add - add one dev_info list entry.
311  * @model:	model (product) string
316  *	Create and add one dev_info entry for @vendor, @model, @strflags or
318  *	pad, and set devinfo->compatible. The scsi_static_device_list entries
321  * Returns: 0 OK, -error on failure.
323 static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,  in scsi_dev_info_list_add()  argument
326 	return scsi_dev_info_list_add_keyed(compatible, vendor, model,  in scsi_dev_info_list_add()
332  * scsi_dev_info_list_add_keyed - add one dev_info list entry.
335  * @model:	model (product) string
341  *	Create and add one dev_info entry for @vendor, @model,
344  *	devinfo->compatible. The scsi_static_device_list entries are
347  * Returns: 0 OK, -error on failure.
349 int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,  in scsi_dev_info_list_add_keyed()  argument
351 				 enum scsi_devinfo_key key)  in scsi_dev_info_list_add_keyed()
363 		return -ENOMEM;  in scsi_dev_info_list_add_keyed()
366 	scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor),  in scsi_dev_info_list_add_keyed()
368 	scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model),  in scsi_dev_info_list_add_keyed()
369 			    model, compatible);  in scsi_dev_info_list_add_keyed()
383 		       vendor, model, flags & __BLIST_UNUSED_MASK);  in scsi_dev_info_list_add_keyed()
385 		return -EINVAL;  in scsi_dev_info_list_add_keyed()
387 	devinfo->flags = flags;  in scsi_dev_info_list_add_keyed()
388 	devinfo->compatible = compatible;  in scsi_dev_info_list_add_keyed()
391 		list_add_tail(&devinfo->dev_info_list,  in scsi_dev_info_list_add_keyed()
392 			      &devinfo_table->scsi_dev_info_list);  in scsi_dev_info_list_add_keyed()
394 		list_add(&devinfo->dev_info_list,  in scsi_dev_info_list_add_keyed()
395 			 &devinfo_table->scsi_dev_info_list);  in scsi_dev_info_list_add_keyed()
402  * scsi_dev_info_list_find - find a matching dev_info list entry.
404  * @model:	full model (product) string
408  *	Finds the first dev_info entry matching @vendor, @model
414 		const char *model, enum scsi_devinfo_key key)  in scsi_dev_info_list_find()  argument
433 	 * trying to work with, leave it as-is.  in scsi_dev_info_list_find()
435 	vmax = sizeof(devinfo->vendor);  in scsi_dev_info_list_find()
438 		vmax--;  in scsi_dev_info_list_find()
442 	while (vmax > 0 && vskip[vmax - 1] == ' ')  in scsi_dev_info_list_find()
443 		--vmax;  in scsi_dev_info_list_find()
445 	mmax = sizeof(devinfo->model);  in scsi_dev_info_list_find()
446 	mskip = model;  in scsi_dev_info_list_find()
448 		mmax--;  in scsi_dev_info_list_find()
451 	while (mmax > 0 && mskip[mmax - 1] == ' ')  in scsi_dev_info_list_find()
452 		--mmax;  in scsi_dev_info_list_find()
454 	list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list,  in scsi_dev_info_list_find()
456 		if (devinfo->compatible) {  in scsi_dev_info_list_find()
460 			if (vmax != strnlen(devinfo->vendor,  in scsi_dev_info_list_find()
461 					    sizeof(devinfo->vendor)) ||  in scsi_dev_info_list_find()
462 			    memcmp(devinfo->vendor, vskip, vmax))  in scsi_dev_info_list_find()
466 			 * @model specifies the full string, and  in scsi_dev_info_list_find()
467 			 * must be larger or equal to devinfo->model  in scsi_dev_info_list_find()
469 			mlen = strnlen(devinfo->model, sizeof(devinfo->model));  in scsi_dev_info_list_find()
470 			if (mmax < mlen || memcmp(devinfo->model, mskip, mlen))  in scsi_dev_info_list_find()
474 			if (!memcmp(devinfo->vendor, vendor,  in scsi_dev_info_list_find()
475 				    sizeof(devinfo->vendor)) &&  in scsi_dev_info_list_find()
476 			    !memcmp(devinfo->model, model,  in scsi_dev_info_list_find()
477 				    sizeof(devinfo->model)))  in scsi_dev_info_list_find()
482 	return ERR_PTR(-ENOENT);  in scsi_dev_info_list_find()
486  * scsi_dev_info_list_del_keyed - remove one dev_info list entry.
488  * @model:	model (product) string
492  *	Remove and destroy one dev_info entry for @vendor, @model
495  * Returns: 0 OK, -error on failure.
497 int scsi_dev_info_list_del_keyed(char *vendor, char *model,  in scsi_dev_info_list_del_keyed()  argument
498 				 enum scsi_devinfo_key key)  in scsi_dev_info_list_del_keyed()
502 	found = scsi_dev_info_list_find(vendor, model, key);  in scsi_dev_info_list_del_keyed()
506 	list_del(&found->dev_info_list);  in scsi_dev_info_list_del_keyed()
513  * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list.
522  * Returns: 0 if OK, -error on failure.
526 	char *vendor, *model, *strflags, *next;  in scsi_dev_info_list_add_str()  local
548 		model = strsep(&next, ":");  in scsi_dev_info_list_add_str()
549 		if (model)  in scsi_dev_info_list_add_str()
551 		if (!model || !strflags) {  in scsi_dev_info_list_add_str()
553 			       " '%s'\n", __func__, vendor, model,  in scsi_dev_info_list_add_str()
555 			res = -EINVAL;  in scsi_dev_info_list_add_str()
558 						     model, strflags, 0);  in scsi_dev_info_list_add_str()
564  * get_device_flags - get device specific flags from the dynamic device list.
567  * @model:	model name
571  *     for an entry matching @vendor and @model, if found, return the
577 				    const unsigned char *model)  in scsi_get_device_flags()  argument
579 	return scsi_get_device_flags_keyed(sdev, vendor, model,  in scsi_get_device_flags()
585  * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list
588  * @model:	model name
593  *     matching @vendor and @model, if found, return the matching
599 				const unsigned char *model,  in scsi_get_device_flags_keyed()  argument
600 				enum scsi_devinfo_key key)  in scsi_get_device_flags_keyed()
604 	devinfo = scsi_dev_info_list_find(vendor, model, key);  in scsi_get_device_flags_keyed()
606 		return devinfo->flags;  in scsi_get_device_flags_keyed()
613 	if (sdev->sdev_bflags)  in scsi_get_device_flags_keyed()
614 		return sdev->sdev_bflags;  in scsi_get_device_flags_keyed()
630 		list_entry(dl->top, struct scsi_dev_info_list_table, node);  in devinfo_seq_show()
632 		list_entry(dl->bottom, struct scsi_dev_info_list,  in devinfo_seq_show()
635 	if (devinfo_table->scsi_dev_info_list.next == dl->bottom &&  in devinfo_seq_show()
636 	    devinfo_table->name)  in devinfo_seq_show()
637 		seq_printf(m, "[%s]:\n", devinfo_table->name);  in devinfo_seq_show()
640 		   devinfo->vendor, devinfo->model, devinfo->flags);  in devinfo_seq_show()
652 	list_for_each(dl->top, &scsi_dev_info_list) {  in devinfo_seq_start()
654 			list_entry(dl->top, struct scsi_dev_info_list_table,  in devinfo_seq_start()
656 		list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list)  in devinfo_seq_start()
657 			if (pos-- == 0)  in devinfo_seq_start()
669 		list_entry(dl->top, struct scsi_dev_info_list_table, node);  in devinfo_seq_next()
672 	dl->bottom = dl->bottom->next;  in devinfo_seq_next()
673 	while (&devinfo_table->scsi_dev_info_list == dl->bottom) {  in devinfo_seq_next()
674 		dl->top = dl->top->next;  in devinfo_seq_next()
675 		if (dl->top == &scsi_dev_info_list) {  in devinfo_seq_next()
679 		devinfo_table = list_entry(dl->top,  in devinfo_seq_next()
682 		dl->bottom = devinfo_table->scsi_dev_info_list.next;  in devinfo_seq_next()
706  * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc.
708  * Description: Adds a black/white list entry for vendor and model with an
710  * To use, echo "vendor:model:flag" > /proc/scsi/device_info
720 		return -EINVAL;  in proc_scsi_devinfo_write()
722 		return -ENOMEM;  in proc_scsi_devinfo_write()
724 		err =-EFAULT;  in proc_scsi_devinfo_write()
730 	else if (buffer[PAGE_SIZE-1]) {  in proc_scsi_devinfo_write()
731 		err = -EINVAL;  in proc_scsi_devinfo_write()
753 	 "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white"
754 	 " list entries for vendor and model with an integer value of flags"
762  * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list
774  * scsi_dev_info_add_list - add a new devinfo list
778  * Adds the requested list, returns zero on success, -EEXIST if the
781 int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name)  in scsi_dev_info_add_list()
788 		return -EEXIST;  in scsi_dev_info_add_list()
793 		return -ENOMEM;  in scsi_dev_info_add_list()
795 	INIT_LIST_HEAD(&devinfo_table->node);  in scsi_dev_info_add_list()
796 	INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list);  in scsi_dev_info_add_list()
797 	devinfo_table->name = name;  in scsi_dev_info_add_list()
798 	devinfo_table->key = key;  in scsi_dev_info_add_list()
799 	list_add_tail(&devinfo_table->node, &scsi_dev_info_list);  in scsi_dev_info_add_list()
806  * scsi_dev_info_remove_list - destroy an added devinfo list
810  * frees the list itself.  Returns 0 on success or -EINVAL if the key
813 int scsi_dev_info_remove_list(enum scsi_devinfo_key key)  in scsi_dev_info_remove_list()
821 		return -EINVAL;  in scsi_dev_info_remove_list()
824 	list_del(&devinfo_table->node);  in scsi_dev_info_remove_list()
826 	list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) {  in scsi_dev_info_remove_list()
840  * scsi_init_devinfo - set up the dynamic device list.
864 				scsi_static_device_list[i].model,  in scsi_init_devinfo()
874 		error = -ENOMEM;  in scsi_init_devinfo()