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DM USB: xHCI: add xHCI de-initialization support

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add support for xHCI de-initialization when the guest
dose shutdown or reboot.

Change-Id: I3dfc1ed1a905b455ef455dff2065e872aa5c1ef8
Signed-off-by: Wu, Xiaoguang <xiaoguang.wu@intel.com>
Reviewed-by: Shuo Liu <shuo.a.liu@intel.com>
Reviewed-by: Yu Wang <yu1.wang@intel.com>
Reviewed-by: Zhao Yakui <yakui.zhao@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Wu, Xiaoguang
2018-05-21 14:13:36 +08:00
committed by lijinxia
parent 048b2c76a3
commit 6449950ccc
3 changed files with 63 additions and 0 deletions
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23
devicemodel/hw/platform/usb_pmapper.c
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@@ -937,6 +937,11 @@ usb_dev_sys_init(usb_dev_sys_cb conn_cb, usb_dev_sys_cb disconn_cb,
goto errout;
}
/* this is for guest rebooting purpose */
g_ctx.conn_handle = native_conn_handle;
g_ctx.disconn_handle = native_disconn_handle;
g_ctx.thread_exit = 0;
if (pthread_create(&g_ctx.thread, NULL, usb_dev_sys_thread, NULL)) {
libusb_hotplug_deregister_callback(g_ctx.libusb_ctx,
native_conn_handle);
@@ -953,3 +958,21 @@ errout:
g_ctx.libusb_ctx = NULL;
return -1;
}
void
usb_dev_sys_deinit(void)
{
if (!g_ctx.libusb_ctx)
return;
UPRINTF(LINF, "port-mapper de-initialization\r\n");
libusb_hotplug_deregister_callback(g_ctx.libusb_ctx, g_ctx.conn_handle);
libusb_hotplug_deregister_callback(g_ctx.libusb_ctx,
g_ctx.disconn_handle);
g_ctx.thread_exit = 1;
pthread_join(g_ctx.thread, NULL);
libusb_exit(g_ctx.libusb_ctx);
g_ctx.libusb_ctx = NULL;
}