}
-/****************************************************************
- * Drive ops
- ****************************************************************/
-
-// 16bit command demuxer for ATAPI cdroms.
-int
-process_usb_op(struct disk_op_s *op)
-{
- if (!CONFIG_USB_MSC)
- return 0;
- switch (op->command) {
- case CMD_READ:
- return cdb_read(op);
- case CMD_WRITE:
- return cdb_write(op);
- case CMD_FORMAT:
- case CMD_RESET:
- case CMD_ISREADY:
- case CMD_VERIFY:
- case CMD_SEEK:
- return DISK_RET_SUCCESS;
- default:
- op->count = 0;
- return DISK_RET_EPARAM;
- }
-}
-
-
/****************************************************************
* Setup
****************************************************************/
if (!udrive_g->bulkin || !udrive_g->bulkout)
goto fail;
- // Validate drive and find block size and sector count.
- struct disk_op_s dop;
- memset(&dop, 0, sizeof(dop));
- dop.drive_g = &udrive_g->drive;
- struct cdbres_inquiry data;
- int ret = cdb_get_inquiry(&dop, &data);
+ int ret, pdt;
+ char *desc = NULL;
+ ret = scsi_init_drive(&udrive_g->drive, "USB MSC", &pdt, &desc);
if (ret)
goto fail;
- char vendor[sizeof(data.vendor)+1], product[sizeof(data.product)+1];
- char rev[sizeof(data.rev)+1];
- strtcpy(vendor, data.vendor, sizeof(vendor));
- nullTrailingSpace(vendor);
- strtcpy(product, data.product, sizeof(product));
- nullTrailingSpace(product);
- strtcpy(rev, data.rev, sizeof(rev));
- nullTrailingSpace(rev);
- int pdt = data.pdt & 0x1f;
- int removable = !!(data.removable & 0x80);
- dprintf(1, "USB MSC vendor='%s' product='%s' rev='%s' type=%d removable=%d\n"
- , vendor, product, rev, pdt, removable);
- udrive_g->drive.removable = removable;
-
- if (pdt == USB_MSC_TYPE_CDROM) {
- char *desc = znprintf(MAXDESCSIZE, "DVD/CD [USB Drive %s %s %s]"
- , vendor, product, rev);
- ret = setup_drive_cdrom(&udrive_g->drive, desc);
- } else {
- struct cdbres_read_capacity capdata;
- ret = cdb_read_capacity(&dop, &capdata);
- if (ret)
- return ret;
- // XXX - retry for some timeout?
-
- // READ CAPACITY returns the address of the last block
- udrive_g->drive.blksize = ntohl(capdata.blksize);
- udrive_g->drive.sectors = ntohl(capdata.sectors) + 1;
- dprintf(1, "USB MSC blksize=%d sectors=%d\n",
- udrive_g->drive.blksize, (int)udrive_g->drive.sectors);
- char *desc = znprintf(MAXDESCSIZE, "USB Drive %s %s %s"
- , vendor, product, rev);
+ if (pdt == SCSI_TYPE_CDROM)
+ ret = setup_drive_cdrom(&udrive_g->drive, desc);
+ else
ret = setup_drive_hd(&udrive_g->drive, desc);
- }
+
if (ret)
goto fail;