126 #define MEDIA_PORT(us) us->srb->device->lun  argument
127 #define MEDIA_INFO(us) ((struct alauda_info *)us->extra)->port[MEDIA_PORT(us)]  argument
133 static int init_alauda(struct us_data *us);
320 static int alauda_get_media_status(struct us_data *us, unsigned char *data)  in alauda_get_media_status()  argument
325 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_status()
330 	rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_status()
333 	usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);  in alauda_get_media_status()
342 static int alauda_ack_media(struct us_data *us)  in alauda_ack_media()  argument
346 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_ack_media()
351 	return usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,  in alauda_ack_media()
359 static int alauda_get_media_signature(struct us_data *us, unsigned char *data)  in alauda_get_media_signature()  argument
363 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_signature()
368 	return usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_signature()
375 static int alauda_reset_media(struct us_data *us)  in alauda_reset_media()  argument
377 	unsigned char *command = us->iobuf;  in alauda_reset_media()
382 	command[8] = MEDIA_PORT(us);  in alauda_reset_media()
384 	return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_reset_media()
391 static int alauda_init_media(struct us_data *us)  in alauda_init_media()  argument
393 	unsigned char *data = us->iobuf;  in alauda_init_media()
401 		if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
408 	usb_stor_dbg(us, "We are ready for action!\n");  in alauda_init_media()
410 	if (alauda_ack_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
415 	if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
419 		usb_stor_dbg(us, "Media not ready after ack\n");  in alauda_init_media()
423 	if (alauda_get_media_signature(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
426 	usb_stor_dbg(us, "Media signature: %4ph\n", data);  in alauda_init_media()
434 	MEDIA_INFO(us).capacity = 1 << media_info->chipshift;  in alauda_init_media()
435 	usb_stor_dbg(us, "Found media with capacity: %ldMB\n",  in alauda_init_media()
436 		     MEDIA_INFO(us).capacity >> 20);  in alauda_init_media()
438 	MEDIA_INFO(us).pageshift = media_info->pageshift;  in alauda_init_media()
439 	MEDIA_INFO(us).blockshift = media_info->blockshift;  in alauda_init_media()
440 	MEDIA_INFO(us).zoneshift = media_info->zoneshift;  in alauda_init_media()
442 	MEDIA_INFO(us).pagesize = 1 << media_info->pageshift;  in alauda_init_media()
443 	MEDIA_INFO(us).blocksize = 1 << media_info->blockshift;  in alauda_init_media()
444 	MEDIA_INFO(us).zonesize = 1 << media_info->zoneshift;  in alauda_init_media()
446 	MEDIA_INFO(us).uzonesize = ((1 << media_info->zoneshift) / 128) * 125;  in alauda_init_media()
447 	MEDIA_INFO(us).blockmask = MEDIA_INFO(us).blocksize - 1;  in alauda_init_media()
449 	num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_init_media()
450 		+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_init_media()
451 	MEDIA_INFO(us).pba_to_lba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
452 	MEDIA_INFO(us).lba_to_pba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
454 	if (alauda_reset_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
464 static int alauda_check_media(struct us_data *us)  in alauda_check_media()  argument
466 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_check_media()
470 	rc = alauda_get_media_status(us, status);  in alauda_check_media()
475 		usb_stor_dbg(us, "No media, or door open\n");  in alauda_check_media()
476 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
485 		usb_stor_dbg(us, "Media change detected\n");  in alauda_check_media()
486 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
487 		alauda_init_media(us);  in alauda_check_media()
502 static int alauda_check_status2(struct us_data *us)  in alauda_check_status2()  argument
507 		0, 0, 0, 0, 3, 0, MEDIA_PORT(us)  in alauda_check_status2()
511 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_check_status2()
516 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_check_status2()
521 	usb_stor_dbg(us, "%3ph\n", data);  in alauda_check_status2()
532 static int alauda_get_redu_data(struct us_data *us, u16 pba, unsigned char *data)  in alauda_get_redu_data()  argument
537 		PBA_HI(pba), PBA_ZONE(pba), 0, PBA_LO(pba), 0, 0, MEDIA_PORT(us)  in alauda_get_redu_data()
540 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_get_redu_data()
545 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_get_redu_data()
570 static int alauda_read_map(struct us_data *us, unsigned int zone)  in alauda_read_map()  argument
572 	unsigned char *data = us->iobuf;  in alauda_read_map()
575 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_read_map()
576 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_map()
587 	usb_stor_dbg(us, "Mapping blocks for zone %d\n", zone);  in alauda_read_map()
596 		result = alauda_get_redu_data(us, blocknum, data);  in alauda_read_map()
607 		usb_stor_dbg(us, "PBA %d has no logical mapping\n", blocknum);  in alauda_read_map()
620 …usb_stor_dbg(us, "PBA %d has no logical mapping: reserved area = %02X%02X%02X%02X data status %02X…  in alauda_read_map()
629 			usb_stor_dbg(us, "PBA %d has invalid address field %02X%02X/%02X%02X\n",  in alauda_read_map()
678 	MEDIA_INFO(us).lba_to_pba[zone] = lba_to_pba;  in alauda_read_map()
679 	MEDIA_INFO(us).pba_to_lba[zone] = pba_to_lba;  in alauda_read_map()
694 static void alauda_ensure_map_for_zone(struct us_data *us, unsigned int zone)  in alauda_ensure_map_for_zone()  argument
696 	if (MEDIA_INFO(us).lba_to_pba[zone] == NULL  in alauda_ensure_map_for_zone()
697 		|| MEDIA_INFO(us).pba_to_lba[zone] == NULL)  in alauda_ensure_map_for_zone()
698 		alauda_read_map(us, zone);  in alauda_ensure_map_for_zone()
704 static int alauda_erase_block(struct us_data *us, u16 pba)  in alauda_erase_block()  argument
709 		PBA_ZONE(pba), 0, PBA_LO(pba), 0x02, 0, MEDIA_PORT(us)  in alauda_erase_block()
713 	usb_stor_dbg(us, "Erasing PBA %d\n", pba);  in alauda_erase_block()
715 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_erase_block()
720 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_erase_block()
725 	usb_stor_dbg(us, "Erase result: %02X %02X\n", buf[0], buf[1]);  in alauda_erase_block()
733 static int alauda_read_block_raw(struct us_data *us, u16 pba,  in alauda_read_block_raw()  argument
739 		PBA_ZONE(pba), 0, PBA_LO(pba) + page, pages, 0, MEDIA_PORT(us)  in alauda_read_block_raw()
742 	usb_stor_dbg(us, "pba %d page %d count %d\n", pba, page, pages);  in alauda_read_block_raw()
744 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_read_block_raw()
749 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_read_block_raw()
750 		data, (MEDIA_INFO(us).pagesize + 64) * pages, NULL);  in alauda_read_block_raw()
759 static int alauda_read_block(struct us_data *us, u16 pba,  in alauda_read_block()  argument
763 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_block()
765 	rc = alauda_read_block_raw(us, pba, page, pages, data);  in alauda_read_block()
784 static int alauda_write_block(struct us_data *us, u16 pba, unsigned char *data)  in alauda_write_block()  argument
787 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_write_block()
790 		PBA_ZONE(pba), 0, PBA_LO(pba), 32, 0, MEDIA_PORT(us)  in alauda_write_block()
793 	usb_stor_dbg(us, "pba %d\n", pba);  in alauda_write_block()
795 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_write_block()
800 	rc = usb_stor_bulk_transfer_buf(us, info->wr_ep, data,  in alauda_write_block()
801 		(MEDIA_INFO(us).pagesize + 64) * MEDIA_INFO(us).blocksize,  in alauda_write_block()
806 	return alauda_check_status2(us);  in alauda_write_block()
812 static int alauda_write_lba(struct us_data *us, u16 lba,  in alauda_write_lba()  argument
820 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_write_lba()
821 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_write_lba()
822 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_lba()
823 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_lba()
828 	alauda_ensure_map_for_zone(us, zone);  in alauda_write_lba()
830 	pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_write_lba()
839 	new_pba = alauda_find_unused_pba(&MEDIA_INFO(us), zone);  in alauda_write_lba()
848 		result = alauda_read_block_raw(us, pba, 0,  in alauda_write_lba()
866 			usb_stor_dbg(us, "Warning: bad ecc in page %d- of pba %d\n",  in alauda_write_lba()
872 			usb_stor_dbg(us, "Warning: bad ecc in page %d+ of pba %d\n",  in alauda_write_lba()
893 	result = alauda_write_block(us, new_pba, blockbuffer);  in alauda_write_lba()
898 	MEDIA_INFO(us).pba_to_lba[zone][new_pba_offset] = lba;  in alauda_write_lba()
899 	MEDIA_INFO(us).lba_to_pba[zone][lba_offset] = new_pba;  in alauda_write_lba()
900 	usb_stor_dbg(us, "Remapped LBA %d to PBA %d\n", lba, new_pba);  in alauda_write_lba()
904 		result = alauda_erase_block(us, pba);  in alauda_write_lba()
907 		MEDIA_INFO(us).pba_to_lba[zone][pba_offset] = UNDEF;  in alauda_write_lba()
916 static int alauda_read_data(struct us_data *us, unsigned long address,  in alauda_read_data()  argument
922 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_read_data()
923 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_read_data()
924 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_read_data()
925 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_data()
926 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_data()
947 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_read_data()
948 	max_lba = MEDIA_INFO(us).capacity >> (blockshift + pageshift);  in alauda_read_data()
959 		alauda_ensure_map_for_zone(us, zone);  in alauda_read_data()
963 			usb_stor_dbg(us, "Error: Requested lba %u exceeds maximum %u\n",  in alauda_read_data()
974 		pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_read_data()
977 			usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n",  in alauda_read_data()
987 			usb_stor_dbg(us, "Read %d pages, from PBA %d (LBA %d) page %d\n",  in alauda_read_data()
990 			result = alauda_read_block(us, pba, page, pages, buffer);  in alauda_read_data()
996 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_read_data()
1011 static int alauda_write_data(struct us_data *us, unsigned long address,  in alauda_write_data()  argument
1016 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_write_data()
1017 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_write_data()
1018 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_data()
1019 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_data()
1050 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_write_data()
1051 	max_lba = MEDIA_INFO(us).capacity >> (pageshift + blockshift);  in alauda_write_data()
1064 			usb_stor_dbg(us, "Requested lba %u exceeds maximum %u\n",  in alauda_write_data()
1071 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_write_data()
1074 		result = alauda_write_lba(us, lba, page, pages, buffer,  in alauda_write_data()
1113 static int init_alauda(struct us_data *us)  in init_alauda()  argument
1116 	struct usb_host_interface *altsetting = us->pusb_intf->cur_altsetting;  in init_alauda()
1119 	us->extra = kzalloc(sizeof(struct alauda_info), GFP_NOIO);  in init_alauda()
1120 	if (!us->extra)  in init_alauda()
1123 	info = (struct alauda_info *) us->extra;  in init_alauda()
1124 	us->extra_destructor = alauda_info_destructor;  in init_alauda()
1126 	info->wr_ep = usb_sndbulkpipe(us->pusb_dev,  in init_alauda()
1133 static int alauda_transport(struct scsi_cmnd *srb, struct us_data *us)  in alauda_transport()  argument
1136 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_transport()
1137 	unsigned char *ptr = us->iobuf;  in alauda_transport()
1143 		usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");  in alauda_transport()
1145 		fill_inquiry_response(us, ptr, 36);  in alauda_transport()
1150 		usb_stor_dbg(us, "TEST_UNIT_READY\n");  in alauda_transport()
1151 		return alauda_check_media(us);  in alauda_transport()
1158 		rc = alauda_check_media(us);  in alauda_transport()
1162 		num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_transport()
1163 			+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_transport()
1165 		capacity = num_zones * MEDIA_INFO(us).uzonesize  in alauda_transport()
1166 			* MEDIA_INFO(us).blocksize;  in alauda_transport()
1179 		rc = alauda_check_media(us);  in alauda_transport()
1188 		usb_stor_dbg(us, "READ_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1190 		return alauda_read_data(us, page, pages);  in alauda_transport()
1196 		rc = alauda_check_media(us);  in alauda_transport()
1205 		usb_stor_dbg(us, "WRITE_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1207 		return alauda_write_data(us, page, pages);  in alauda_transport()
1211 		usb_stor_dbg(us, "REQUEST_SENSE\n");  in alauda_transport()
1230 	usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",  in alauda_transport()
1243 	struct us_data *us;  in alauda_probe()  local
1246 	result = usb_stor_probe1(&us, intf, id,  in alauda_probe()
1252 	us->transport_name  = "Alauda Control/Bulk";  in alauda_probe()
1253 	us->transport = alauda_transport;  in alauda_probe()
1254 	us->transport_reset = usb_stor_Bulk_reset;  in alauda_probe()
1255 	us->max_lun = 1;  in alauda_probe()
1257 	result = usb_stor_probe2(us);  in alauda_probe()