qemu/0004-usb-Add-a-register_com...

83 lines
2.7 KiB
Diff

From fc63639374684dae600d200c133adad75044e587 Mon Sep 17 00:00:00 2001
From: Hans de Goede <hdegoede@redhat.com>
Date: Fri, 24 Jun 2011 11:29:56 +0200
Subject: [PATCH 04/35] usb: Add a register_companion USB bus op.
This is a preparation patch for adding support for USB companion controllers.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/usb-bus.c | 31 +++++++++++++++++++++++++++++++
hw/usb.h | 5 +++++
2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/hw/usb-bus.c b/hw/usb-bus.c
index e37e8a2..b511bac 100644
--- a/hw/usb-bus.c
+++ b/hw/usb-bus.c
@@ -160,6 +160,37 @@ void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
bus->nfree++;
}
+int usb_register_companion(const char *masterbus, USBPort *ports[],
+ uint32_t portcount, uint32_t firstport,
+ void *opaque, USBPortOps *ops, int speedmask)
+{
+ USBBus *bus;
+ int i;
+
+ QTAILQ_FOREACH(bus, &busses, next) {
+ if (strcmp(bus->qbus.name, masterbus) == 0) {
+ break;
+ }
+ }
+
+ if (!bus || !bus->ops->register_companion) {
+ qerror_report(QERR_INVALID_PARAMETER_VALUE, "masterbus",
+ "an USB masterbus");
+ if (bus) {
+ error_printf_unless_qmp(
+ "USB bus '%s' does not allow companion controllers\n",
+ masterbus);
+ }
+ return -1;
+ }
+
+ for (i = 0; i < portcount; i++) {
+ usb_fill_port(ports[i], opaque, i, ops, speedmask);
+ }
+
+ return bus->ops->register_companion(bus, ports, portcount, firstport);
+}
+
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr)
{
if (upstream) {
diff --git a/hw/usb.h b/hw/usb.h
index 076e2ff..a5f2efa 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -344,6 +344,8 @@ struct USBBus {
};
struct USBBusOps {
+ int (*register_companion)(USBBus *bus, USBPort *ports[],
+ uint32_t portcount, uint32_t firstport);
void (*device_destroy)(USBBus *bus, USBDevice *dev);
};
@@ -356,6 +358,9 @@ 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);
+int usb_register_companion(const char *masterbus, USBPort *ports[],
+ uint32_t portcount, uint32_t firstport,
+ void *opaque, USBPortOps *ops, int speedmask);
void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
void usb_unregister_port(USBBus *bus, USBPort *port);
int usb_device_attach(USBDevice *dev);
--
1.7.5.1