114 #define MEDIA_PORT(us) us->srb->device->lun  argument
115 #define MEDIA_INFO(us) ((struct alauda_info *)us->extra)->port[MEDIA_PORT(us)]  argument
121 static int init_alauda(struct us_data *us);
308 static int alauda_get_media_status(struct us_data *us, unsigned char *data)  in alauda_get_media_status()  argument
313 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_status()
318 	rc = usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_status()
321 	usb_stor_dbg(us, "Media status %02X %02X\n", data[0], data[1]);  in alauda_get_media_status()
330 static int alauda_ack_media(struct us_data *us)  in alauda_ack_media()  argument
334 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_ack_media()
339 	return usb_stor_ctrl_transfer(us, us->send_ctrl_pipe,  in alauda_ack_media()
347 static int alauda_get_media_signature(struct us_data *us, unsigned char *data)  in alauda_get_media_signature()  argument
351 	if (MEDIA_PORT(us) == ALAUDA_PORT_XD)  in alauda_get_media_signature()
356 	return usb_stor_ctrl_transfer(us, us->recv_ctrl_pipe,  in alauda_get_media_signature()
363 static int alauda_reset_media(struct us_data *us)  in alauda_reset_media()  argument
365 	unsigned char *command = us->iobuf;  in alauda_reset_media()
370 	command[8] = MEDIA_PORT(us);  in alauda_reset_media()
372 	return usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_reset_media()
379 static int alauda_init_media(struct us_data *us)  in alauda_init_media()  argument
381 	unsigned char *data = us->iobuf;  in alauda_init_media()
389 		if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
396 	usb_stor_dbg(us, "We are ready for action!\n");  in alauda_init_media()
398 	if (alauda_ack_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
403 	if (alauda_get_media_status(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
407 		usb_stor_dbg(us, "Media not ready after ack\n");  in alauda_init_media()
411 	if (alauda_get_media_signature(us, data) != USB_STOR_XFER_GOOD)  in alauda_init_media()
414 	usb_stor_dbg(us, "Media signature: %4ph\n", data);  in alauda_init_media()
422 	MEDIA_INFO(us).capacity = 1 << media_info->chipshift;  in alauda_init_media()
423 	usb_stor_dbg(us, "Found media with capacity: %ldMB\n",  in alauda_init_media()
424 		     MEDIA_INFO(us).capacity >> 20);  in alauda_init_media()
426 	MEDIA_INFO(us).pageshift = media_info->pageshift;  in alauda_init_media()
427 	MEDIA_INFO(us).blockshift = media_info->blockshift;  in alauda_init_media()
428 	MEDIA_INFO(us).zoneshift = media_info->zoneshift;  in alauda_init_media()
430 	MEDIA_INFO(us).pagesize = 1 << media_info->pageshift;  in alauda_init_media()
431 	MEDIA_INFO(us).blocksize = 1 << media_info->blockshift;  in alauda_init_media()
432 	MEDIA_INFO(us).zonesize = 1 << media_info->zoneshift;  in alauda_init_media()
434 	MEDIA_INFO(us).uzonesize = ((1 << media_info->zoneshift) / 128) * 125;  in alauda_init_media()
435 	MEDIA_INFO(us).blockmask = MEDIA_INFO(us).blocksize - 1;  in alauda_init_media()
437 	num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_init_media()
438 		+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_init_media()
439 	MEDIA_INFO(us).pba_to_lba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
440 	MEDIA_INFO(us).lba_to_pba = kcalloc(num_zones, sizeof(u16*), GFP_NOIO);  in alauda_init_media()
442 	if (alauda_reset_media(us) != USB_STOR_XFER_GOOD)  in alauda_init_media()
452 static int alauda_check_media(struct us_data *us)  in alauda_check_media()  argument
454 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_check_media()
458 	rc = alauda_get_media_status(us, status);  in alauda_check_media()
463 		usb_stor_dbg(us, "No media, or door open\n");  in alauda_check_media()
464 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
473 		usb_stor_dbg(us, "Media change detected\n");  in alauda_check_media()
474 		alauda_free_maps(&MEDIA_INFO(us));  in alauda_check_media()
475 		alauda_init_media(us);  in alauda_check_media()
490 static int alauda_check_status2(struct us_data *us)  in alauda_check_status2()  argument
495 		0, 0, 0, 0, 3, 0, MEDIA_PORT(us)  in alauda_check_status2()
499 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_check_status2()
504 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_check_status2()
509 	usb_stor_dbg(us, "%3ph\n", data);  in alauda_check_status2()
520 static int alauda_get_redu_data(struct us_data *us, u16 pba, unsigned char *data)  in alauda_get_redu_data()  argument
525 		PBA_HI(pba), PBA_ZONE(pba), 0, PBA_LO(pba), 0, 0, MEDIA_PORT(us)  in alauda_get_redu_data()
528 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_get_redu_data()
533 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_get_redu_data()
558 static int alauda_read_map(struct us_data *us, unsigned int zone)  in alauda_read_map()  argument
560 	unsigned char *data = us->iobuf;  in alauda_read_map()
563 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_read_map()
564 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_map()
575 	usb_stor_dbg(us, "Mapping blocks for zone %d\n", zone);  in alauda_read_map()
584 		result = alauda_get_redu_data(us, blocknum, data);  in alauda_read_map()
595 		usb_stor_dbg(us, "PBA %d has no logical mapping\n", blocknum);  in alauda_read_map()
608 …usb_stor_dbg(us, "PBA %d has no logical mapping: reserved area = %02X%02X%02X%02X data status %02X…  in alauda_read_map()
617 			usb_stor_dbg(us, "PBA %d has invalid address field %02X%02X/%02X%02X\n",  in alauda_read_map()
666 	MEDIA_INFO(us).lba_to_pba[zone] = lba_to_pba;  in alauda_read_map()
667 	MEDIA_INFO(us).pba_to_lba[zone] = pba_to_lba;  in alauda_read_map()
682 static void alauda_ensure_map_for_zone(struct us_data *us, unsigned int zone)  in alauda_ensure_map_for_zone()  argument
684 	if (MEDIA_INFO(us).lba_to_pba[zone] == NULL  in alauda_ensure_map_for_zone()
685 		|| MEDIA_INFO(us).pba_to_lba[zone] == NULL)  in alauda_ensure_map_for_zone()
686 		alauda_read_map(us, zone);  in alauda_ensure_map_for_zone()
692 static int alauda_erase_block(struct us_data *us, u16 pba)  in alauda_erase_block()  argument
697 		PBA_ZONE(pba), 0, PBA_LO(pba), 0x02, 0, MEDIA_PORT(us)  in alauda_erase_block()
701 	usb_stor_dbg(us, "Erasing PBA %d\n", pba);  in alauda_erase_block()
703 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_erase_block()
708 	rc = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_erase_block()
713 	usb_stor_dbg(us, "Erase result: %02X %02X\n", buf[0], buf[1]);  in alauda_erase_block()
721 static int alauda_read_block_raw(struct us_data *us, u16 pba,  in alauda_read_block_raw()  argument
727 		PBA_ZONE(pba), 0, PBA_LO(pba) + page, pages, 0, MEDIA_PORT(us)  in alauda_read_block_raw()
730 	usb_stor_dbg(us, "pba %d page %d count %d\n", pba, page, pages);  in alauda_read_block_raw()
732 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_read_block_raw()
737 	return usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,  in alauda_read_block_raw()
738 		data, (MEDIA_INFO(us).pagesize + 64) * pages, NULL);  in alauda_read_block_raw()
747 static int alauda_read_block(struct us_data *us, u16 pba,  in alauda_read_block()  argument
751 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_block()
753 	rc = alauda_read_block_raw(us, pba, page, pages, data);  in alauda_read_block()
772 static int alauda_write_block(struct us_data *us, u16 pba, unsigned char *data)  in alauda_write_block()  argument
775 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_write_block()
778 		PBA_ZONE(pba), 0, PBA_LO(pba), 32, 0, MEDIA_PORT(us)  in alauda_write_block()
781 	usb_stor_dbg(us, "pba %d\n", pba);  in alauda_write_block()
783 	rc = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,  in alauda_write_block()
788 	rc = usb_stor_bulk_transfer_buf(us, info->wr_ep, data,  in alauda_write_block()
789 		(MEDIA_INFO(us).pagesize + 64) * MEDIA_INFO(us).blocksize,  in alauda_write_block()
794 	return alauda_check_status2(us);  in alauda_write_block()
800 static int alauda_write_lba(struct us_data *us, u16 lba,  in alauda_write_lba()  argument
808 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_write_lba()
809 	unsigned int zonesize = MEDIA_INFO(us).zonesize;  in alauda_write_lba()
810 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_lba()
811 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_lba()
816 	alauda_ensure_map_for_zone(us, zone);  in alauda_write_lba()
818 	pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_write_lba()
829 	new_pba = alauda_find_unused_pba(&MEDIA_INFO(us), zone);  in alauda_write_lba()
838 		result = alauda_read_block_raw(us, pba, 0,  in alauda_write_lba()
856 			usb_stor_dbg(us, "Warning: bad ecc in page %d- of pba %d\n",  in alauda_write_lba()
862 			usb_stor_dbg(us, "Warning: bad ecc in page %d+ of pba %d\n",  in alauda_write_lba()
883 	result = alauda_write_block(us, new_pba, blockbuffer);  in alauda_write_lba()
888 	MEDIA_INFO(us).pba_to_lba[zone][new_pba_offset] = lba;  in alauda_write_lba()
889 	MEDIA_INFO(us).lba_to_pba[zone][lba_offset] = new_pba;  in alauda_write_lba()
890 	usb_stor_dbg(us, "Remapped LBA %d to PBA %d\n", lba, new_pba);  in alauda_write_lba()
894 		result = alauda_erase_block(us, pba);  in alauda_write_lba()
897 		MEDIA_INFO(us).pba_to_lba[zone][pba_offset] = UNDEF;  in alauda_write_lba()
906 static int alauda_read_data(struct us_data *us, unsigned long address,  in alauda_read_data()  argument
912 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_read_data()
913 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_read_data()
914 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_read_data()
915 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_read_data()
916 	unsigned int uzonesize = MEDIA_INFO(us).uzonesize;  in alauda_read_data()
935 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_read_data()
936 	max_lba = MEDIA_INFO(us).capacity >> (blockshift + pageshift);  in alauda_read_data()
947 		alauda_ensure_map_for_zone(us, zone);  in alauda_read_data()
951 			usb_stor_dbg(us, "Error: Requested lba %u exceeds maximum %u\n",  in alauda_read_data()
962 		pba = MEDIA_INFO(us).lba_to_pba[zone][lba_offset];  in alauda_read_data()
965 			usb_stor_dbg(us, "Read %d zero pages (LBA %d) page %d\n",  in alauda_read_data()
977 			usb_stor_dbg(us, "Read %d pages, from PBA %d (LBA %d) page %d\n",  in alauda_read_data()
980 			result = alauda_read_block(us, pba, page, pages, buffer);  in alauda_read_data()
986 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_read_data()
1001 static int alauda_write_data(struct us_data *us, unsigned long address,  in alauda_write_data()  argument
1006 	unsigned int blockshift = MEDIA_INFO(us).blockshift;  in alauda_write_data()
1007 	unsigned int pageshift = MEDIA_INFO(us).pageshift;  in alauda_write_data()
1008 	unsigned int blocksize = MEDIA_INFO(us).blocksize;  in alauda_write_data()
1009 	unsigned int pagesize = MEDIA_INFO(us).pagesize;  in alauda_write_data()
1037 	page = (address & MEDIA_INFO(us).blockmask);  in alauda_write_data()
1038 	max_lba = MEDIA_INFO(us).capacity >> (pageshift + blockshift);  in alauda_write_data()
1051 			usb_stor_dbg(us, "Requested lba %u exceeds maximum %u\n",  in alauda_write_data()
1058 		usb_stor_access_xfer_buf(buffer, len, us->srb,  in alauda_write_data()
1061 		result = alauda_write_lba(us, lba, page, pages, buffer,  in alauda_write_data()
1100 static int init_alauda(struct us_data *us)  in init_alauda()  argument
1103 	struct usb_host_interface *altsetting = us->pusb_intf->cur_altsetting;  in init_alauda()
1106 	us->extra = kzalloc(sizeof(struct alauda_info), GFP_NOIO);  in init_alauda()
1107 	if (!us->extra)  in init_alauda()
1110 	info = (struct alauda_info *) us->extra;  in init_alauda()
1111 	us->extra_destructor = alauda_info_destructor;  in init_alauda()
1113 	info->wr_ep = usb_sndbulkpipe(us->pusb_dev,  in init_alauda()
1120 static int alauda_transport(struct scsi_cmnd *srb, struct us_data *us)  in alauda_transport()  argument
1123 	struct alauda_info *info = (struct alauda_info *) us->extra;  in alauda_transport()
1124 	unsigned char *ptr = us->iobuf;  in alauda_transport()
1130 		usb_stor_dbg(us, "INQUIRY - Returning bogus response\n");  in alauda_transport()
1132 		fill_inquiry_response(us, ptr, 36);  in alauda_transport()
1137 		usb_stor_dbg(us, "TEST_UNIT_READY\n");  in alauda_transport()
1138 		return alauda_check_media(us);  in alauda_transport()
1145 		rc = alauda_check_media(us);  in alauda_transport()
1149 		num_zones = MEDIA_INFO(us).capacity >> (MEDIA_INFO(us).zoneshift  in alauda_transport()
1150 			+ MEDIA_INFO(us).blockshift + MEDIA_INFO(us).pageshift);  in alauda_transport()
1152 		capacity = num_zones * MEDIA_INFO(us).uzonesize  in alauda_transport()
1153 			* MEDIA_INFO(us).blocksize;  in alauda_transport()
1166 		rc = alauda_check_media(us);  in alauda_transport()
1175 		usb_stor_dbg(us, "READ_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1177 		return alauda_read_data(us, page, pages);  in alauda_transport()
1183 		rc = alauda_check_media(us);  in alauda_transport()
1192 		usb_stor_dbg(us, "WRITE_10: page %d pagect %d\n", page, pages);  in alauda_transport()
1194 		return alauda_write_data(us, page, pages);  in alauda_transport()
1198 		usb_stor_dbg(us, "REQUEST_SENSE\n");  in alauda_transport()
1219 	usb_stor_dbg(us, "Gah! Unknown command: %d (0x%x)\n",  in alauda_transport()
1232 	struct us_data *us;  in alauda_probe()  local
1235 	result = usb_stor_probe1(&us, intf, id,  in alauda_probe()
1241 	us->transport_name  = "Alauda Control/Bulk";  in alauda_probe()
1242 	us->transport = alauda_transport;  in alauda_probe()
1243 	us->transport_reset = usb_stor_Bulk_reset;  in alauda_probe()
1244 	us->max_lun = 1;  in alauda_probe()
1246 	result = usb_stor_probe2(us);  in alauda_probe()