usb/storage: move declarations to usb/msd.h header

In preparation for splitting the usb-storage.c file move
declarations to the new usb/msd.h header file.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210312090425.772900-2-kraxel@redhat.com>

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);