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-rw-r--r--include/hw/usb/msd.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/include/hw/usb/msd.h b/include/hw/usb/msd.h
new file mode 100644
index 0000000000..7538c54569
--- /dev/null
+++ b/include/hw/usb/msd.h
@@ -0,0 +1,54 @@
+/*
+ * USB Mass Storage Device emulation
+ *
+ * Copyright (c) 2006 CodeSourcery.
+ * Written by Paul Brook
+ *
+ * This code is licensed under the LGPL.
+ */
+
+#include "hw/usb.h"
+#include "hw/scsi/scsi.h"
+
+enum USBMSDMode {
+ USB_MSDM_CBW, /* Command Block. */
+ USB_MSDM_DATAOUT, /* Transfer data to device. */
+ USB_MSDM_DATAIN, /* Transfer data from device. */
+ USB_MSDM_CSW /* Command Status. */
+};
+
+struct usb_msd_csw {
+ uint32_t sig;
+ uint32_t tag;
+ uint32_t residue;
+ uint8_t status;
+};
+
+struct MSDState {
+ USBDevice dev;
+ enum USBMSDMode mode;
+ uint32_t scsi_off;
+ uint32_t scsi_len;
+ uint32_t data_len;
+ struct usb_msd_csw csw;
+ SCSIRequest *req;
+ SCSIBus bus;
+ /* For async completion. */
+ USBPacket *packet;
+ /* usb-storage only */
+ BlockConf conf;
+ bool removable;
+ bool commandlog;
+ SCSIDevice *scsi_dev;
+};
+
+typedef struct MSDState MSDState;
+#define TYPE_USB_STORAGE "usb-storage-dev"
+DECLARE_INSTANCE_CHECKER(MSDState, USB_STORAGE_DEV,
+ TYPE_USB_STORAGE)
+
+void usb_msd_transfer_data(SCSIRequest *req, uint32_t len);
+void usb_msd_command_complete(SCSIRequest *req, size_t resid);
+void usb_msd_request_cancelled(SCSIRequest *req);
+void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req);
+void usb_msd_handle_reset(USBDevice *dev);