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[Qemu-devel] Re: [PATCH] Release usb devices on shutdown and usb_del com
From: |
Shahar Havivi |
Subject: |
[Qemu-devel] Re: [PATCH] Release usb devices on shutdown and usb_del command |
Date: |
Fri, 21 May 2010 20:55:24 +0300 |
User-agent: |
Mutt/1.5.20 (2009-08-17) |
Remove usb_host_device_release and using usb_host_close to handle usb_del
command.
Gerd, What do you think about the usb_cleanup()?
If it will be in usb-linux.c we will
have to ad atexit to each device, if we usb-bus.c we will have to implement in
bsd and stub...
Signed-off-by: Shahar Havivi <address@hidden>
---
hw/usb.h | 1 +
usb-bsd.c | 5 +++++
usb-linux.c | 12 ++++++++++++
usb-stub.c | 5 +++++
vl.c | 1 +
5 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/hw/usb.h b/hw/usb.h
index 00d2802..7ddf63c 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -258,6 +258,7 @@ void usb_send_msg(USBDevice *dev, int msg);
USBDevice *usb_host_device_open(const char *devname);
int usb_host_device_close(const char *devname);
void usb_host_info(Monitor *mon);
+void usb_cleanup(void);
/* usb-hid.c */
void usb_hid_datain_cb(USBDevice *dev, void *opaque, void (*datain)(void *));
diff --git a/usb-bsd.c b/usb-bsd.c
index 48567a3..c3eb891 100644
--- a/usb-bsd.c
+++ b/usb-bsd.c
@@ -634,3 +634,8 @@ int usb_host_device_close(const char *devname)
{
return 0;
}
+
+void usb_cleanup(void)
+{
+ return 0;
+}
diff --git a/usb-linux.c b/usb-linux.c
index 88273ff..98909b7 100644
--- a/usb-linux.c
+++ b/usb-linux.c
@@ -286,6 +286,17 @@ static void async_cancel(USBPacket *unused, void *opaque)
}
}
+void usb_cleanup(void)
+{
+ struct USBHostDevice *s;
+
+ QTAILQ_FOREACH(s, &hostdevs, next) {
+ if (s->fd != -1) {
+ ioctl(s->fd, USBDEVFS_RESET);
+ }
+ }
+}
+
static int usb_host_claim_interfaces(USBHostDevice *dev, int configuration)
{
int dev_descr_len, config_descr_len;
@@ -991,6 +1002,7 @@ static int usb_host_close(USBHostDevice *dev)
async_complete(dev);
dev->closing = 0;
usb_device_detach(&dev->dev);
+ ioctl(dev->fd, USBDEVFS_RESET);
close(dev->fd);
dev->fd = -1;
return 0;
diff --git a/usb-stub.c b/usb-stub.c
index 9c3fcea..bb513de 100644
--- a/usb-stub.c
+++ b/usb-stub.c
@@ -50,3 +50,8 @@ int usb_host_device_close(const char *devname)
{
return 0;
}
+
+void usb_cleanup(void)
+{
+ return 0;
+}
diff --git a/vl.c b/vl.c
index d77b47c..e3f4dc9 100644
--- a/vl.c
+++ b/vl.c
@@ -3914,6 +3914,7 @@ int main(int argc, char **argv, char **envp)
main_loop();
quit_timers();
net_cleanup();
+ usb_cleanup();
return 0;
}
--
1.7.0.4