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[Qemu-devel] [PATCH 1/5] usb: Call wakeup when data becomes available fo
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 1/5] usb: Call wakeup when data becomes available for all devices with int eps |
Date: |
Sat, 17 Nov 2012 12:47:14 +0100 |
This is necessary for proper interaction with the xhci controller, and it
will allow other hcds to lower there frame timer while waiting for interrupt
data.
Signed-off-by: Hans de Goede <address@hidden>
---
hw/usb/dev-hub.c | 2 ++
hw/usb/dev-network.c | 7 +++++++
hw/usb/dev-wacom.c | 4 ++++
hw/usb/redirect.c | 4 ++++
4 files changed, 17 insertions(+)
diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c
index 9ee60dd..470fbbb 100644
--- a/hw/usb/dev-hub.c
+++ b/hw/usb/dev-hub.c
@@ -184,6 +184,7 @@ static void usb_hub_detach(USBPort *port1)
port->wPortStatus &= ~PORT_STAT_ENABLE;
port->wPortChange |= PORT_STAT_C_ENABLE;
}
+ usb_wakeup(s->intr);
}
static void usb_hub_child_detach(USBPort *port1, USBDevice *child)
@@ -363,6 +364,7 @@ static void usb_hub_handle_control(USBDevice *dev,
USBPacket *p,
port->wPortChange |= PORT_STAT_C_RESET;
/* set enable bit */
port->wPortStatus |= PORT_STAT_ENABLE;
+ usb_wakeup(s->intr);
}
break;
case PORT_POWER:
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 14d9e5a..30cb033 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -639,6 +639,8 @@ typedef struct USBNetState {
unsigned int in_ptr, in_len;
uint8_t in_buf[2048];
+ USBEndpoint *intr;
+
char usbstring_mac[13];
NICState *nic;
NICConf conf;
@@ -851,6 +853,10 @@ static void *rndis_queue_response(USBNetState *s, unsigned
int length)
struct rndis_response *r =
g_malloc0(sizeof(struct rndis_response) + length);
+ if (QTAILQ_EMPTY(&s->rndis_resp)) {
+ usb_wakeup(s->intr);
+ }
+
QTAILQ_INSERT_TAIL(&s->rndis_resp, r, entries);
r->length = length;
@@ -1349,6 +1355,7 @@ static int usb_net_initfn(USBDevice *dev)
s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
s->filter = 0;
s->vendorid = 0x1234;
+ s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
qemu_macaddr_default_if_unset(&s->conf.macaddr);
s->nic = qemu_new_nic(&net_usbnet_info, &s->conf,
diff --git a/hw/usb/dev-wacom.c b/hw/usb/dev-wacom.c
index 08b416d..f7342b0 100644
--- a/hw/usb/dev-wacom.c
+++ b/hw/usb/dev-wacom.c
@@ -43,6 +43,7 @@
typedef struct USBWacomState {
USBDevice dev;
+ USBEndpoint *intr;
QEMUPutMouseEntry *eh_entry;
int dx, dy, dz, buttons_state;
int x, y;
@@ -137,6 +138,7 @@ static void usb_mouse_event(void *opaque,
s->dz += dz1;
s->buttons_state = buttons_state;
s->changed = 1;
+ usb_wakeup(s->intr);
}
static void usb_wacom_event(void *opaque,
@@ -150,6 +152,7 @@ static void usb_wacom_event(void *opaque,
s->dz += dz;
s->buttons_state = buttons_state;
s->changed = 1;
+ usb_wakeup(s->intr);
}
static inline int int_clamp(int val, int vmin, int vmax)
@@ -337,6 +340,7 @@ static int usb_wacom_initfn(USBDevice *dev)
USBWacomState *s = DO_UPCAST(USBWacomState, dev, dev);
usb_desc_create_serial(dev);
usb_desc_init(dev);
+ s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
s->changed = 1;
return 0;
}
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 15f394c..a4d324f 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -1667,6 +1667,10 @@ static void usbredir_interrupt_packet(void *priv,
uint64_t id,
return;
}
+ if (QTAILQ_EMPTY(&dev->endpoint[EP2I(ep)].bufpq)) {
+ usb_wakeup(usb_ep_get(&dev->dev, USB_TOKEN_IN, ep & 0x0f));
+ }
+
/* bufp_alloc also adds the packet to the ep queue */
bufp_alloc(dev, data, data_len, interrupt_packet->status, ep);
} else {
--
1.8.0