Merge remote-tracking branch 'remotes/kraxel/tags/usb-20210315-pull-request' into staging

usb: -usbdevice cleanup and un-deprecation.
usb: split usb-storage.
usb: misc fixes and cleanups.

# gpg: Signature made Mon 15 Mar 2021 18:02:28 GMT
# gpg:                using RSA key A0328CFFB93A17A79901FE7D4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/usb-20210315-pull-request:
  usb/storage: clear csw on reset
  usb/storage: add kconfig symbols
  usb/storage move usb-storage device to separate source file
  usb/storage: move usb-bot device to separate source file
  usb/storage: move declarations to usb/msd.h header
  hw/usb: Extract VT82C686 UHCI PCI function into a new unit
  hw/usb/hcd-uhci: Expose generic prototypes to local header
  hw/southbridge: Add missing Kconfig dependency VT82C686 on USB_UHCI
  usb: Document the missing -usbdevice options
  usb: Un-deprecate -usbdevice (except for -usbdevice audio which gets removed)
  usb: remove '-usbdevice u2f-key'
  usb: remove support for -usbdevice parameters
  hw/usb/bus: Remove the "full-path" property

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 55 insertions, 2 deletions

diff --git a/include/hw/usb.h b/include/hw/usb.h
index abfbfc5284..436e07b304 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -216,7 +216,6 @@ struct USBEndpoint {
 };
 
 enum USBDeviceFlags {
-    USB_DEV_FLAG_FULL_PATH,
     USB_DEV_FLAG_IS_HOST,
     USB_DEV_FLAG_MSOS_DESC_ENABLE,
     USB_DEV_FLAG_MSOS_DESC_IN_USE,
@@ -500,7 +499,7 @@ void usb_bus_new(USBBus *bus, size_t bus_size,
 void usb_bus_release(USBBus *bus);
 USBBus *usb_bus_find(int busnr);
 void usb_legacy_register(const char *typename, const char *usbdevice_name,
-                         USBDevice *(*usbdevice_init)(const char *params));
+                         USBDevice *(*usbdevice_init)(void));
 USBDevice *usb_new(const char *name);
 bool usb_realize_and_unref(USBDevice *dev, USBBus *bus, Error **errp);
 USBDevice *usb_create_simple(USBBus *bus, const char *name);
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);