[PATCH 20/26] hw/usb: Introduce "hw/usb/usb.h" public API

[Philippe Mathieu-Daudé]

Only the USB devices require to access the USB internal APIs.

The rest of the code base only wants to consume USB devices
with a generic API. Move the generic declarations to the new
"hw/usb/usb.h" header.

Reported-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 include/hw/usb.h      | 27 +-------------------
 include/hw/usb/usb.h  | 58 +++++++++++++++++++++++++++++++++++++++++++
 chardev/baum.c        |  2 +-
 hw/i386/pc.c          |  2 +-
 hw/i386/pc_piix.c     |  2 +-
 hw/i386/pc_q35.c      |  2 +-
 hw/ppc/mac_newworld.c |  2 +-
 hw/ppc/sam460ex.c     |  1 +
 hw/ppc/spapr.c        |  2 +-
 hw/sh4/r2d.c          |  2 +-
 hw/usb/host-stub.c    |  2 +-
 monitor/misc.c        |  2 +-
 softmmu/vl.c          |  2 +-
 13 files changed, 70 insertions(+), 36 deletions(-)
 create mode 100644 include/hw/usb/usb.h

diff --git a/include/hw/usb.h b/include/hw/usb.h
index 7ea502d421..2ea5186ea5 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -26,6 +26,7 @@
  */
 
 #include "hw/qdev-core.h"
+#include "hw/usb/usb.h"
 #include "qemu/iov.h"
 #include "qemu/queue.h"
 
@@ -176,7 +177,6 @@
 typedef struct USBBus USBBus;
 typedef struct USBBusOps USBBusOps;
 typedef struct USBPort USBPort;
-typedef struct USBDevice USBDevice;
 typedef struct USBPacket USBPacket;
 typedef struct USBCombinedPacket USBCombinedPacket;
 typedef struct USBEndpoint USBEndpoint;
@@ -256,9 +256,6 @@ struct USBDevice {
     const USBDescIface  *ifaces[USB_MAX_INTERFACES];
 };
 
-#define TYPE_USB_DEVICE "usb-device"
-#define USB_DEVICE(obj) \
-     OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
 #define USB_DEVICE_CLASS(klass) \
      OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE)
 #define USB_DEVICE_GET_CLASS(obj) \
@@ -459,15 +456,8 @@ void usb_device_reset(USBDevice *dev);
 void usb_wakeup(USBEndpoint *ep, unsigned int stream);
 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p);
 
-/* usb-linux.c */
-void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
-bool usb_host_dev_is_scsi_storage(USBDevice *usbdev);
-
 /* usb-bus.c */
 
-#define TYPE_USB_BUS "usb-bus"
-#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
-
 struct USBBus {
     BusState qbus;
     USBBusOps *ops;
@@ -489,13 +479,8 @@ struct USBBusOps {
 void usb_bus_new(USBBus *bus, size_t bus_size,
                  USBBusOps *ops, DeviceState *host);
 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 *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);
-USBDevice *usbdevice_create(const char *cmdline);
 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
                        USBPortOps *ops, int speedmask);
 void usb_register_companion(const char *masterbus, USBPort *ports[],
@@ -506,16 +491,6 @@ void usb_port_location(USBPort *downstream, USBPort 
*upstream, int portnr);
 void usb_unregister_port(USBBus *bus, USBPort *port);
 void usb_claim_port(USBDevice *dev, Error **errp);
 void usb_release_port(USBDevice *dev);
-/**
- * usb_get_port_path:
- * @dev: the USB device
- *
- * The returned data must be released with g_free()
- * when no longer required.
- *
- * Returns: a dynamically allocated pathname.
- */
-char *usb_get_port_path(USBDevice *dev);
 void usb_device_attach(USBDevice *dev, Error **errp);
 int usb_device_detach(USBDevice *dev);
 void usb_check_attach(USBDevice *dev, Error **errp);
diff --git a/include/hw/usb/usb.h b/include/hw/usb/usb.h
new file mode 100644
index 0000000000..9a13b08503
--- /dev/null
+++ b/include/hw/usb/usb.h
@@ -0,0 +1,58 @@
+/*
+ * QEMU USB API
+ *
+ * Copyright (c) 2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to 
deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#ifndef QEMU_HW_USB_H
+#define QEMU_HW_USB_H
+
+typedef struct USBDevice USBDevice;
+
+#define TYPE_USB_DEVICE "usb-device"
+#define USB_DEVICE(obj) \
+     OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE)
+
+typedef struct USBBus USBBus;
+
+#define TYPE_USB_BUS "usb-bus"
+#define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS)
+
+USBBus *usb_bus_find(int busnr);
+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);
+USBDevice *usbdevice_create(const char *cmdline);
+
+/**
+ * usb_get_port_path:
+ * @dev: the USB device
+ *
+ * The returned data must be released with g_free()
+ * when no longer required.
+ *
+ * Returns: a dynamically allocated pathname.
+ */
+char *usb_get_port_path(USBDevice *dev);
+
+void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
+bool usb_host_dev_is_scsi_storage(USBDevice *usbdev);
+
+#endif
diff --git a/chardev/baum.c b/chardev/baum.c
index 9c95e7bc79..fc04bf2e2f 100644
--- a/chardev/baum.c
+++ b/chardev/baum.c
@@ -28,7 +28,7 @@
 #include "qemu/main-loop.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "ui/console.h"
 #include <brlapi.h>
 #include <brlapi_constants.h>
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 4af9679d03..a890f57ac2 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -83,7 +83,7 @@
 #include "qapi/qapi-visit-common.h"
 #include "qapi/visitor.h"
 #include "hw/core/cpu.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "hw/i386/intel_iommu.h"
 #include "hw/net/ne2000-isa.h"
 #include "standard-headers/asm-x86/bootparam.h"
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 1d832b2878..4d1de7cfab 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -36,7 +36,7 @@
 #include "hw/firmware/smbios.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/pci_ids.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "net/net.h"
 #include "hw/ide/pci.h"
 #include "hw/irq.h"
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 047ea8db28..b985f5bea1 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -50,7 +50,7 @@
 #include "hw/firmware/smbios.h"
 #include "hw/ide/pci.h"
 #include "hw/ide/ahci.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "qapi/error.h"
 #include "qemu/error-report.h"
 #include "sysemu/numa.h"
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 828c5992ae..7bf69f4a1f 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -69,7 +69,7 @@
 #include "sysemu/kvm.h"
 #include "sysemu/reset.h"
 #include "kvm_ppc.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "exec/address-spaces.h"
 #include "hw/sysbus.h"
 #include "trace.h"
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index fae970b142..781b45e14b 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -35,6 +35,7 @@
 #include "hw/char/serial.h"
 #include "hw/i2c/ppc4xx_i2c.h"
 #include "hw/i2c/smbus_eeprom.h"
+#include "hw/usb/usb.h"
 #include "hw/usb/hcd-ehci.h"
 #include "hw/ppc/fdt.h"
 #include "hw/qdev-properties.h"
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 221d3e7a8c..0c0409077f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -70,7 +70,7 @@
 
 #include "exec/address-spaces.h"
 #include "exec/ram_addr.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "qemu/config-file.h"
 #include "qemu/error-report.h"
 #include "trace.h"
diff --git a/hw/sh4/r2d.c b/hw/sh4/r2d.c
index 443820901d..a39c378855 100644
--- a/hw/sh4/r2d.c
+++ b/hw/sh4/r2d.c
@@ -40,7 +40,7 @@
 #include "hw/ide.h"
 #include "hw/irq.h"
 #include "hw/loader.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "hw/block/flash.h"
 #include "exec/address-spaces.h"
 
diff --git a/hw/usb/host-stub.c b/hw/usb/host-stub.c
index 538ed29684..11b754892d 100644
--- a/hw/usb/host-stub.c
+++ b/hw/usb/host-stub.c
@@ -32,7 +32,7 @@
 
 #include "qemu/osdep.h"
 #include "ui/console.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "monitor/monitor.h"
 
 void hmp_info_usbhost(Monitor *mon, const QDict *qdict)
diff --git a/monitor/misc.c b/monitor/misc.c
index 89bb970b00..65c0f887dd 100644
--- a/monitor/misc.c
+++ b/monitor/misc.c
@@ -26,7 +26,7 @@
 #include "monitor-internal.h"
 #include "cpu.h"
 #include "monitor/qdev.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "hw/pci/pci.h"
 #include "sysemu/watchdog.h"
 #include "hw/loader.h"
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 3e15ee2435..25a13e913e 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -41,7 +41,7 @@
 #include "qemu/error-report.h"
 #include "qemu/sockets.h"
 #include "sysemu/accel.h"
-#include "hw/usb.h"
+#include "hw/usb/usb.h"
 #include "hw/isa/isa.h"
 #include "hw/scsi/scsi.h"
 #include "hw/display/vga.h"
-- 
2.21.3