1 // SPDX-License-Identifier: GPL-2.0
24 	char model[16];  member
43  * from the default, includes black-listed (broken) devices. The entries here
51 	char *model;  member
61 	{"CHINON", "CD-ROM CDS-431", "H42", BLIST_NOLUN},	/* locks up */
62 	{"CHINON", "CD-ROM CDS-535", "Q14", BLIST_NOLUN},	/* locks up */
63 	{"DENON", "DRD-25X", "V", BLIST_NOLUN},			/* locks up */
66 	{"IBM", "2104-DU3", NULL, BLIST_NOLUN},		/* locks up */
67 	{"IBM", "2104-TU3", NULL, BLIST_NOLUN},		/* locks up */
69 	{"MAXTOR", "XT-3280", "PR02", BLIST_NOLUN},	/* locks up */
70 	{"MAXTOR", "XT-4380S", "B3C", BLIST_NOLUN},	/* locks up */
71 	{"MAXTOR", "MXT-1240S", "I1.2", BLIST_NOLUN},	/* locks up */
72 	{"MAXTOR", "XT-4170S", "B5A", BLIST_NOLUN},	/* locks up */
73 	{"MAXTOR", "XT-8760S", "B7B", BLIST_NOLUN},	/* locks up */
74 	{"MEDIAVIS", "RENO CD-ROMX2A", "2.03", BLIST_NOLUN},	/* responds to all lun */
76 	{"NEC", "CD-ROM DRIVE:841", "1.0", BLIST_NOLUN},/* locks up */
77 	{"PHILIPS", "PCA80SC", "V4-2", BLIST_NOLUN},	/* responds to all lun */
84 	{"SANYO", "CRD-250S", "1.20", BLIST_NOLUN},
92 	{"SONY", "CD-ROM CDU-541", "4.3d", BLIST_NOLUN},
93 	{"SONY", "CD-ROM CDU-55S", "1.0i", BLIST_NOLUN},
94 	{"SONY", "CD-ROM CDU-561", "1.7x", BLIST_NOLUN},
95 	{"SONY", "CD-ROM CDU-8012", NULL, BLIST_NOLUN},
96 	{"SONY", "SDT-5000", "3.17", BLIST_SELECT_NO_ATN},
98 	{"TEAC", "CD-R55S", "1.0H", BLIST_NOLUN},	/* locks up */
103 	{"TEAC", "CD-ROM", "1.06", BLIST_NOLUN},
104 	{"TEAC", "MT-2ST/45S2-27", "RV M", BLIST_NOLUN},	/* responds to all lun */
112 	{"MEDIAVIS", "CDR-H93MV", "1.31", BLIST_NOLUN},	/* locks up */
114 	{"MITSUMI", "CD-R CR-2201CS", "6119", BLIST_NOLUN},	/* locks up */
121 	{"TEXEL", "CD-ROM", "1.06", BLIST_NOLUN | BLIST_BORKEN},
137 	{"AFT PRO", "-IX CF", "0.0>", BLIST_FORCELUN},
138 	{"BELKIN", "USB 2 HS-CF", "1.95",  BLIST_FORCELUN | BLIST_INQUIRY_36},
142 	{"CBOX3", "USB Storage-SMC", "300A", BLIST_FORCELUN | BLIST_INQUIRY_36},
143 	{"CMD", "CRA-7280", NULL, BLIST_SPARSELUN},	/* CMD RAID Controller */
172 	{"Generic", "USB Storage-SMC", NULL, BLIST_FORCELUN | BLIST_INQUIRY_36}, /* FW: 0180 and 0207 */
173 	{"Generic", "Ultra HS-SD/MMC", "2.09", BLIST_IGN_MEDIA_CHANGE | BLIST_INQUIRY_36},
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},
197 	{"Intel", "Multi-Flex", NULL, BLIST_NO_RSOC},
202 	{"MATSHITA", "PD-1", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
203 	{"MATSHITA", "DMC-LC5", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
204 	{"MATSHITA", "DMC-LC40", NULL, BLIST_NOT_LOCKABLE | BLIST_INQUIRY_36},
211 	{"NAKAMICH", "MJ-4.8S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
212 	{"NAKAMICH", "MJ-5.16S", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
213 	{"NEC", "PD-1 ODX654P", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
215 	{"NRC", "MBR-7", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
216 	{"NRC", "MBR-7.4", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
217 	{"PIONEER", "CD-ROM DRM-600", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
218 	{"PIONEER", "CD-ROM DRM-602X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
219 	{"PIONEER", "CD-ROM DRM-604X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
220 	{"PIONEER", "CD-ROM DRM-624X", NULL, BLIST_FORCELUN | BLIST_SINGLELUN},
223 	{"QEMU", "QEMU CD-ROM", NULL, BLIST_SKIP_VPD_PAGES},
227 	{"REGAL", "CDC-4X", NULL, BLIST_MAX5LUN | BLIST_SINGLELUN},
228 	{"SanDisk", "ImageMate CF-SD1", NULL, BLIST_FORCELUN},
248 	{"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
249 	{"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
254 	{"Tornado-", "F4", "*", BLIST_NOREPORTLUN},
256 	{"TOSHIBA", "CD-ROM", NULL, BLIST_ISROM},
259 	{"WangDAT", "Model 2600", "01.7", BLIST_SELECT_NO_ATN},
260 	{"WangDAT", "Model 3200", "02.2", BLIST_SELECT_NO_ATN},
261 	{"WangDAT", "Model 1300", "02.4", BLIST_SELECT_NO_ATN},
262 	{"WDC WD25", "00JB-00FUA0", NULL, BLIST_NOREPORTLUN},
275 		if (devinfo_table->key == key) {  in scsi_devinfo_lookup_by_key()
280 		return ERR_PTR(-EINVAL);  in scsi_devinfo_lookup_by_key()
287  * devinfo vendor and model strings.
311  * scsi_dev_info_list_add - add one dev_info list entry.
314  * @model:	model (product) string
319  *	Create and add one dev_info entry for @vendor, @model, @strflags or
321  *	pad, and set devinfo->compatible. The scsi_static_device_list entries
324  * Returns: 0 OK, -error on failure.
326 static int scsi_dev_info_list_add(int compatible, char *vendor, char *model,  in scsi_dev_info_list_add()  argument
329 	return scsi_dev_info_list_add_keyed(compatible, vendor, model,  in scsi_dev_info_list_add()
335  * scsi_dev_info_list_add_keyed - add one dev_info list entry.
338  * @model:	model (product) string
344  *	Create and add one dev_info entry for @vendor, @model,
347  *	devinfo->compatible. The scsi_static_device_list entries are
350  * Returns: 0 OK, -error on failure.
352 int scsi_dev_info_list_add_keyed(int compatible, char *vendor, char *model,  in scsi_dev_info_list_add_keyed()  argument
354 				 enum scsi_devinfo_key key)  in scsi_dev_info_list_add_keyed()
366 		return -ENOMEM;  in scsi_dev_info_list_add_keyed()
369 	scsi_strcpy_devinfo("vendor", devinfo->vendor, sizeof(devinfo->vendor),  in scsi_dev_info_list_add_keyed()
371 	scsi_strcpy_devinfo("model", devinfo->model, sizeof(devinfo->model),  in scsi_dev_info_list_add_keyed()
372 			    model, compatible);  in scsi_dev_info_list_add_keyed()
386 		       vendor, model, flags & __BLIST_UNUSED_MASK);  in scsi_dev_info_list_add_keyed()
388 		return -EINVAL;  in scsi_dev_info_list_add_keyed()
390 	devinfo->flags = flags;  in scsi_dev_info_list_add_keyed()
391 	devinfo->compatible = compatible;  in scsi_dev_info_list_add_keyed()
394 		list_add_tail(&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()
397 		list_add(&devinfo->dev_info_list,  in scsi_dev_info_list_add_keyed()
398 			 &devinfo_table->scsi_dev_info_list);  in scsi_dev_info_list_add_keyed()
405  * scsi_dev_info_list_find - find a matching dev_info list entry.
407  * @model:	full model (product) string
411  *	Finds the first dev_info entry matching @vendor, @model
417 		const char *model, enum scsi_devinfo_key key)  in scsi_dev_info_list_find()  argument
436 	 * trying to work with, leave it as-is.  in scsi_dev_info_list_find()
438 	vmax = sizeof(devinfo->vendor);  in scsi_dev_info_list_find()
441 		vmax--;  in scsi_dev_info_list_find()
445 	while (vmax > 0 && vskip[vmax - 1] == ' ')  in scsi_dev_info_list_find()
446 		--vmax;  in scsi_dev_info_list_find()
448 	mmax = sizeof(devinfo->model);  in scsi_dev_info_list_find()
449 	mskip = model;  in scsi_dev_info_list_find()
451 		mmax--;  in scsi_dev_info_list_find()
454 	while (mmax > 0 && mskip[mmax - 1] == ' ')  in scsi_dev_info_list_find()
455 		--mmax;  in scsi_dev_info_list_find()
457 	list_for_each_entry(devinfo, &devinfo_table->scsi_dev_info_list,  in scsi_dev_info_list_find()
459 		if (devinfo->compatible) {  in scsi_dev_info_list_find()
463 			if (vmax != strnlen(devinfo->vendor,  in scsi_dev_info_list_find()
464 					    sizeof(devinfo->vendor)) ||  in scsi_dev_info_list_find()
465 			    memcmp(devinfo->vendor, vskip, vmax))  in scsi_dev_info_list_find()
469 			 * @model specifies the full string, and  in scsi_dev_info_list_find()
470 			 * must be larger or equal to devinfo->model  in scsi_dev_info_list_find()
472 			mlen = strnlen(devinfo->model, sizeof(devinfo->model));  in scsi_dev_info_list_find()
473 			if (mmax < mlen || memcmp(devinfo->model, mskip, mlen))  in scsi_dev_info_list_find()
477 			if (!memcmp(devinfo->vendor, vendor,  in scsi_dev_info_list_find()
478 				    sizeof(devinfo->vendor)) &&  in scsi_dev_info_list_find()
479 			    !memcmp(devinfo->model, model,  in scsi_dev_info_list_find()
480 				    sizeof(devinfo->model)))  in scsi_dev_info_list_find()
485 	return ERR_PTR(-ENOENT);  in scsi_dev_info_list_find()
489  * scsi_dev_info_list_del_keyed - remove one dev_info list entry.
491  * @model:	model (product) string
495  *	Remove and destroy one dev_info entry for @vendor, @model
498  * Returns: 0 OK, -error on failure.
500 int scsi_dev_info_list_del_keyed(char *vendor, char *model,  in scsi_dev_info_list_del_keyed()  argument
501 				 enum scsi_devinfo_key key)  in scsi_dev_info_list_del_keyed()
505 	found = scsi_dev_info_list_find(vendor, model, key);  in scsi_dev_info_list_del_keyed()
509 	list_del(&found->dev_info_list);  in scsi_dev_info_list_del_keyed()
516  * scsi_dev_info_list_add_str - parse dev_list and add to the scsi_dev_info_list.
525  * Returns: 0 if OK, -error on failure.
529 	char *vendor, *model, *strflags, *next;  in scsi_dev_info_list_add_str()  local
551 		model = strsep(&next, ":");  in scsi_dev_info_list_add_str()
552 		if (model)  in scsi_dev_info_list_add_str()
554 		if (!model || !strflags) {  in scsi_dev_info_list_add_str()
556 			       __func__, vendor, model ? model : "",  in scsi_dev_info_list_add_str()
558 			res = -EINVAL;  in scsi_dev_info_list_add_str()
561 						     model, strflags, 0);  in scsi_dev_info_list_add_str()
567  * scsi_get_device_flags - get device specific flags from the dynamic
571  * @model:	model name
575  *     for an entry matching @vendor and @model, if found, return the
581 				    const unsigned char *model)  in scsi_get_device_flags()  argument
583 	return scsi_get_device_flags_keyed(sdev, vendor, model,  in scsi_get_device_flags()
589  * scsi_get_device_flags_keyed - get device specific flags from the dynamic device list
592  * @model:	model name
597  *     matching @vendor and @model, if found, return the matching
603 				const unsigned char *model,  in scsi_get_device_flags_keyed()  argument
604 				enum scsi_devinfo_key key)  in scsi_get_device_flags_keyed()
608 	devinfo = scsi_dev_info_list_find(vendor, model, key);  in scsi_get_device_flags_keyed()
610 		return devinfo->flags;  in scsi_get_device_flags_keyed()
617 	if (sdev->sdev_bflags)  in scsi_get_device_flags_keyed()
618 		return sdev->sdev_bflags;  in scsi_get_device_flags_keyed()
634 		list_entry(dl->top, struct scsi_dev_info_list_table, node);  in devinfo_seq_show()
636 		list_entry(dl->bottom, struct scsi_dev_info_list,  in devinfo_seq_show()
639 	if (devinfo_table->scsi_dev_info_list.next == dl->bottom &&  in devinfo_seq_show()
640 	    devinfo_table->name)  in devinfo_seq_show()
641 		seq_printf(m, "[%s]:\n", devinfo_table->name);  in devinfo_seq_show()
644 		   devinfo->vendor, devinfo->model, devinfo->flags);  in devinfo_seq_show()
656 	list_for_each(dl->top, &scsi_dev_info_list) {  in devinfo_seq_start()
658 			list_entry(dl->top, struct scsi_dev_info_list_table,  in devinfo_seq_start()
660 		list_for_each(dl->bottom, &devinfo_table->scsi_dev_info_list)  in devinfo_seq_start()
661 			if (pos-- == 0)  in devinfo_seq_start()
673 		list_entry(dl->top, struct scsi_dev_info_list_table, node);  in devinfo_seq_next()
676 	dl->bottom = dl->bottom->next;  in devinfo_seq_next()
677 	while (&devinfo_table->scsi_dev_info_list == dl->bottom) {  in devinfo_seq_next()
678 		dl->top = dl->top->next;  in devinfo_seq_next()
679 		if (dl->top == &scsi_dev_info_list) {  in devinfo_seq_next()
683 		devinfo_table = list_entry(dl->top,  in devinfo_seq_next()
686 		dl->bottom = devinfo_table->scsi_dev_info_list.next;  in devinfo_seq_next()
710  * proc_scsi_dev_info_write - allow additions to scsi_dev_info_list via /proc.
712  * Description: Adds a black/white list entry for vendor and model with an
714  * To use, echo "vendor:model:flag" > /proc/scsi/device_info
724 		return -EINVAL;  in proc_scsi_devinfo_write()
726 		return -ENOMEM;  in proc_scsi_devinfo_write()
728 		err =-EFAULT;  in proc_scsi_devinfo_write()
734 	else if (buffer[PAGE_SIZE-1]) {  in proc_scsi_devinfo_write()
735 		err = -EINVAL;  in proc_scsi_devinfo_write()
757 	 "Given scsi_dev_flags=vendor:model:flags[,v:m:f] add black/white"
758 	 " list entries for vendor and model with an integer value of flags"
766  * scsi_exit_devinfo - remove /proc/scsi/device_info & the scsi_dev_info_list
778  * scsi_dev_info_add_list - add a new devinfo list
782  * Adds the requested list, returns zero on success, -EEXIST if the
785 int scsi_dev_info_add_list(enum scsi_devinfo_key key, const char *name)  in scsi_dev_info_add_list()
792 		return -EEXIST;  in scsi_dev_info_add_list()
797 		return -ENOMEM;  in scsi_dev_info_add_list()
799 	INIT_LIST_HEAD(&devinfo_table->node);  in scsi_dev_info_add_list()
800 	INIT_LIST_HEAD(&devinfo_table->scsi_dev_info_list);  in scsi_dev_info_add_list()
801 	devinfo_table->name = name;  in scsi_dev_info_add_list()
802 	devinfo_table->key = key;  in scsi_dev_info_add_list()
803 	list_add_tail(&devinfo_table->node, &scsi_dev_info_list);  in scsi_dev_info_add_list()
810  * scsi_dev_info_remove_list - destroy an added devinfo list
814  * frees the list itself.  Returns 0 on success or -EINVAL if the key
817 int scsi_dev_info_remove_list(enum scsi_devinfo_key key)  in scsi_dev_info_remove_list()
825 		return -EINVAL;  in scsi_dev_info_remove_list()
828 	list_del(&devinfo_table->node);  in scsi_dev_info_remove_list()
830 	list_for_each_safe(lh, lh_next, &devinfo_table->scsi_dev_info_list) {  in scsi_dev_info_remove_list()
844  * scsi_init_devinfo - set up the dynamic device list.
868 				scsi_static_device_list[i].model,  in scsi_init_devinfo()
878 		error = -ENOMEM;  in scsi_init_devinfo()