drivers/scsi/ses.c

38 static bool ses_page2_supported(struct enclosure_device *edev)
40 	struct ses_device *ses_dev = edev->scratch;
179 static int ses_set_page2_descriptor(struct enclosure_device *edev,
184 	struct scsi_device *sdev = to_scsi_device(edev->edev.parent);
185 	struct ses_device *ses_dev = edev->scratch;
210 static unsigned char *ses_get_page2_descriptor(struct enclosure_device *edev,
214 	struct scsi_device *sdev = to_scsi_device(edev->edev.parent);
215 	struct ses_device *ses_dev = edev->scratch;
239 static void ses_get_fault(struct enclosure_device *edev,
244 	if (!ses_page2_supported(edev)) {
248 	desc = ses_get_page2_descriptor(edev, ecomp);
253 static int ses_set_fault(struct enclosure_device *edev,
260 	if (!ses_page2_supported(edev))
263 	desc_ptr = ses_get_page2_descriptor(edev, ecomp);
282 	return ses_set_page2_descriptor(edev, ecomp, desc);
285 static void ses_get_status(struct enclosure_device *edev,
290 	if (!ses_page2_supported(edev)) {
294 	desc = ses_get_page2_descriptor(edev, ecomp);
299 static void ses_get_locate(struct enclosure_device *edev,
304 	if (!ses_page2_supported(edev)) {
308 	desc = ses_get_page2_descriptor(edev, ecomp);
313 static int ses_set_locate(struct enclosure_device *edev,
320 	if (!ses_page2_supported(edev))
323 	desc_ptr = ses_get_page2_descriptor(edev, ecomp);
341 	return ses_set_page2_descriptor(edev, ecomp, desc);
344 static int ses_set_active(struct enclosure_device *edev,
351 	if (!ses_page2_supported(edev))
354 	desc_ptr = ses_get_page2_descriptor(edev, ecomp);
374 	return ses_set_page2_descriptor(edev, ecomp, desc);
377 static int ses_show_id(struct enclosure_device *edev, char *buf)
379 	struct ses_device *ses_dev = edev->scratch;
385 static void ses_get_power_status(struct enclosure_device *edev,
390 	if (!ses_page2_supported(edev)) {
395 	desc = ses_get_page2_descriptor(edev, ecomp);
400 static int ses_set_power_status(struct enclosure_device *edev,
407 	if (!ses_page2_supported(edev))
410 	desc_ptr = ses_get_page2_descriptor(edev, ecomp);
429 	return ses_set_page2_descriptor(edev, ecomp, desc);
446 	struct enclosure_device *edev;
450 int ses_match_host(struct enclosure_device *edev, void *data)
455 	if (!scsi_is_sdev_device(edev->edev.parent))
458 	sdev = to_scsi_device(edev->edev.parent);
463 	sed->edev = edev;
531 static int ses_enclosure_find_by_addr(struct enclosure_device *edev,
538 	for (i = 0; i < edev->components; i++) {
539 		scomp = edev->component[i].scratch;
543 		if (enclosure_add_device(edev, i, efd->dev) == 0)
552 static void ses_enclosure_data_process(struct enclosure_device *edev,
559 	struct ses_device *ses_dev = edev->scratch;
624 						edev,
628 				else if (components < edev->components)
629 					ecomp = &edev->component[components++];
669 static void ses_match_to_enclosure(struct enclosure_device *edev,
673 	struct scsi_device *edev_sdev = to_scsi_device(edev->edev.parent);
679 		ses_enclosure_data_process(edev, edev_sdev, 0);
701 	struct enclosure_device *edev;
708 		while ((edev = enclosure_find(&sdev->host->shost_gendev, prev)) != NULL) {
709 			ses_match_to_enclosure(edev, sdev, 1);
710 			prev = edev;
808 	edev = enclosure_register(cdev->parent, dev_name(&sdev->sdev_gendev),
810 	if (IS_ERR(edev)) {
811 		err = PTR_ERR(edev);
817 	edev->scratch = ses_dev;
819 		edev->component[i].scratch = scomp + i;
821 	ses_enclosure_data_process(edev, sdev, 1);
828 		ses_match_to_enclosure(edev, tmp_sdev, 0);
857 	struct enclosure_device *edev, *prev = NULL;
859 	while ((edev = enclosure_find(&sdev->host->shost_gendev, prev)) != NULL) {
860 		prev = edev;
861 		if (!enclosure_remove_device(edev, &sdev->sdev_gendev))
864 	if (edev)
865 		put_device(&edev->edev);
870 	struct enclosure_device *edev;
874 	edev = enclosure_find(&sdev->sdev_gendev, NULL);
875 	if (!edev)
878 	ses_dev = edev->scratch;
879 	edev->scratch = NULL;
886 	if (edev->components)
887 		kfree(edev->component[0].scratch);
889 	put_device(&edev->edev);
890 	enclosure_unregister(edev);