u8 bCSWStatus;
} PACKED;
+static int
+usb_msc_send(struct usbdrive_s *udrive_g, int dir, void *buf, u32 bytes)
+{
+ struct usb_pipe *pipe;
+ if (dir == USB_DIR_OUT)
+ pipe = GET_GLOBAL(udrive_g->bulkout);
+ else
+ pipe = GET_GLOBAL(udrive_g->bulkin);
+ return usb_send_bulk(pipe, dir, buf, bytes);
+}
+
// Low-level usb command transmit function.
int
usb_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize)
, op->drive_g, 0, op->count, blocksize, op->buf_fl);
struct usbdrive_s *udrive_g = container_of(
op->drive_g, struct usbdrive_s, drive);
- struct usb_pipe *bulkin = GET_GLOBAL(udrive_g->bulkin);
- struct usb_pipe *bulkout = GET_GLOBAL(udrive_g->bulkout);
// Setup command block wrapper.
u32 bytes = blocksize * op->count;
struct cbw_s cbw;
memset(&cbw, 0, sizeof(cbw));
+ memcpy(cbw.CBWCB, cdbcmd, USB_CDB_SIZE);
cbw.dCBWSignature = CBW_SIGNATURE;
cbw.dCBWTag = 999; // XXX
cbw.dCBWDataTransferLength = bytes;
- cbw.bmCBWFlags = USB_DIR_IN; // XXX
+ cbw.bmCBWFlags = (cbw.CBWCB[0] == CDB_CMD_WRITE_10) ? USB_DIR_OUT : USB_DIR_IN;
cbw.bCBWLUN = 0; // XXX
cbw.bCBWCBLength = USB_CDB_SIZE;
- memcpy(cbw.CBWCB, cdbcmd, USB_CDB_SIZE);
// Transfer cbw to device.
- int ret = usb_send_bulk(bulkout, USB_DIR_OUT
+ int ret = usb_msc_send(udrive_g, USB_DIR_OUT
, MAKE_FLATPTR(GET_SEG(SS), &cbw), sizeof(cbw));
if (ret)
goto fail;
- // Transfer data from device.
- ret = usb_send_bulk(bulkin, USB_DIR_IN, op->buf_fl, bytes);
- if (ret)
- goto fail;
+ // Transfer data to/from device.
+ if (bytes) {
+ ret = usb_msc_send(udrive_g, cbw.bmCBWFlags, op->buf_fl, bytes);
+ if (ret)
+ goto fail;
+ }
// Transfer csw info.
struct csw_s csw;
- ret = usb_send_bulk(bulkin, USB_DIR_IN
+ ret = usb_msc_send(udrive_g, USB_DIR_IN
, MAKE_FLATPTR(GET_SEG(SS), &csw), sizeof(csw));
if (ret)
goto fail;
if (csw.bCSWStatus == 2)
goto fail;
- op->count -= csw.dCSWDataResidue / blocksize;
+ if (blocksize)
+ op->count -= csw.dCSWDataResidue / blocksize;
return DISK_RET_EBADTRACK;
fail:
}
-/****************************************************************
- * 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_FORMAT:
- case CMD_WRITE:
- return DISK_RET_EWRITEPROTECT;
- 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
****************************************************************/
static int
-setup_drive_cdrom(struct disk_op_s *op)
+setup_drive_cdrom(struct drive_s *drive, char *desc)
{
- op->drive_g->blksize = CDROM_SECTOR_SIZE;
- op->drive_g->sectors = (u64)-1;
- boot_add_cd(op->drive_g);
+ drive->sectors = (u64)-1;
+ struct usb_pipe *pipe = container_of(
+ drive, struct usbdrive_s, drive)->bulkout;
+ int prio = bootprio_find_usb(pipe->cntl->pci, pipe->path);
+ boot_add_cd(drive, desc, prio);
return 0;
}
static int
-setup_drive_hd(struct disk_op_s *op)
+setup_drive_hd(struct drive_s *drive, char *desc)
{
- struct cdbres_read_capacity info;
- int ret = cdb_read_capacity(op, &info);
- if (ret)
- return ret;
- // XXX - retry for some timeout?
-
- u32 blksize = ntohl(info.blksize), sectors = ntohl(info.sectors);
- if (blksize != DISK_SECTOR_SIZE) {
- if (blksize == CDROM_SECTOR_SIZE)
- return setup_drive_cdrom(op);
- dprintf(1, "Unsupported USB MSC block size %d\n", blksize);
+ if (drive->blksize != DISK_SECTOR_SIZE) {
+ dprintf(1, "Unsupported USB MSC block size %d\n", drive->blksize);
return -1;
}
- op->drive_g->blksize = blksize;
- op->drive_g->sectors = sectors;
- dprintf(1, "USB MSC blksize=%d sectors=%d\n", blksize, sectors);
-
- // Setup disk geometry translation.
- setup_translation(op->drive_g);
// Register with bcv system.
- boot_add_hd(op->drive_g);
-
+ struct usb_pipe *pipe = container_of(
+ drive, struct usbdrive_s, drive)->bulkout;
+ int prio = bootprio_find_usb(pipe->cntl->pci, pipe->path);
+ boot_add_hd(drive, desc, prio);
return 0;
}
}
// Allocate drive structure.
- char *desc = malloc_tmphigh(MAXDESCSIZE);
struct usbdrive_s *udrive_g = malloc_fseg(sizeof(*udrive_g));
- if (!udrive_g || !desc) {
+ if (!udrive_g) {
warn_noalloc();
goto fail;
}
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];
- 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"
- , strtcpy(vendor, data.vendor, sizeof(vendor))
- , strtcpy(product, data.product, sizeof(product))
- , strtcpy(rev, data.rev, sizeof(rev))
- , pdt, removable);
- udrive_g->drive.removable = removable;
- snprintf(desc, MAXDESCSIZE, "USB Drive %s %s %s", vendor, product, rev);
- udrive_g->drive.desc = desc;
-
- if (pdt == USB_MSC_TYPE_CDROM)
- ret = setup_drive_cdrom(&dop);
+
+ if (pdt == SCSI_TYPE_CDROM)
+ ret = setup_drive_cdrom(&udrive_g->drive, desc);
else
- ret = setup_drive_hd(&dop);
+ ret = setup_drive_hd(&udrive_g->drive, desc);
+
if (ret)
goto fail;
return 0;
fail:
dprintf(1, "Unable to configure USB MSC device.\n");
- free(desc);
free(udrive_g);
return -1;
}
projects / seabios.git / blobdiff