X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fseabios%2Fsrc%2Fhw%2Fusb-msc.c;h=a234f13bebcdd4424a0720706dcd95e985f704d0;hb=a14b48d18a9ed03ec191cf16b162206998a895ce;hp=d90319f51f52b019ee122145a1f1106d27026e84;hpb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;p=kvmfornfv.git

diff --git a/qemu/roms/seabios/src/hw/usb-msc.c b/qemu/roms/seabios/src/hw/usb-msc.c
index d90319f51..a234f13be 100644
--- a/qemu/roms/seabios/src/hw/usb-msc.c
+++ b/qemu/roms/seabios/src/hw/usb-msc.c
@@ -63,25 +63,27 @@ usb_msc_send(struct usbdrive_s *udrive_gf, int dir, void *buf, u32 bytes)
 
 // Low-level usb command transmit function.
 int
-usb_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize)
+usb_process_op(struct disk_op_s *op)
 {
     if (!CONFIG_USB_MSC)
         return 0;
 
-    dprintf(16, "usb_cmd_data id=%p write=%d count=%d bs=%d buf=%p\n"
-            , op->drive_gf, 0, op->count, blocksize, op->buf_fl);
+    dprintf(16, "usb_cmd_data id=%p write=%d count=%d buf=%p\n"
+            , op->drive_gf, 0, op->count, op->buf_fl);
     struct usbdrive_s *udrive_gf = container_of(
         op->drive_gf, struct usbdrive_s, drive);
 
     // 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);
+    int blocksize = scsi_fill_cmd(op, cbw.CBWCB, USB_CDB_SIZE);
+    if (blocksize < 0)
+        return default_process_op(op);
+    u32 bytes = blocksize * op->count;
     cbw.dCBWSignature = CBW_SIGNATURE;
     cbw.dCBWTag = 999; // XXX
     cbw.dCBWDataTransferLength = bytes;
-    cbw.bmCBWFlags = cdb_is_read(cdbcmd, blocksize) ? USB_DIR_IN : USB_DIR_OUT;
+    cbw.bmCBWFlags = scsi_is_read(op) ? USB_DIR_IN : USB_DIR_OUT;
     cbw.bCBWLUN = GET_GLOBALFLAT(udrive_gf->lun);
     cbw.bCBWCBLength = USB_CDB_SIZE;