USB virt 2.6 split driver---USB split driver back-end
PATCH 15/17 USB virt 2.6 split driver---USB split driver back-end
This patch implements the back end of the USB split driver.
Signed-off-by Harry Butterworth <[email protected]>
linux-2.6-xen-sparse/arch/xen/Kconfig +23 -0
@@ -77,6 +77,29 @@ The network-device backend driver allows the kernel to export its network devices to other guests via a high-performance shared-memory interface. + +config XEN_USBDEV_BACKEND + tristate "USB-device backend driver" + depends on XEN_PHYSDEV_ACCESS + select USB + default m + help + The USB-device backend driver allows the kernel to export USB + devices to USB-device frontend drivers running in other domains. + This is not required for USB device access in domain 0 or any domain + given exclusive control over a USB host controller device at the PCI + level. + Say Y or M if you want to use this kernel to export a USB device to + another domain running a USB-device frontend driver. + +config XEN_USBDEV_BACKEND_TRACE + bool "USB-device backend driver tracing" + depends on XEN_USBDEV_BACKEND + default n + help + This option causes the driver to output a continual trace of its + activity. + Say N here unless you are trying to debug the driver. config XEN_TPMDEV_FRONTEND bool "TPM-device frontend driver"
linux-2.6-xen-sparse/drivers/xen/Makefile +1 -0
@@ -12,6 +12,7 @@ obj-$(CONFIG_XEN_BLKDEV_BACKEND) += blkback/ obj-$(CONFIG_XEN_NETDEV_BACKEND) += netback/ obj-$(CONFIG_XEN_TPMDEV_BACKEND) += tpmback/ +obj-$(CONFIG_XEN_USBDEV_BACKEND) += usbback/ obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += blkfront/ obj-$(CONFIG_XEN_NETDEV_FRONTEND) += netfront/ obj-$(CONFIG_XEN_BLKDEV_TAP) += blktap/
linux-2.6-xen-sparse/drivers/xen/usbback/Makefile new file +9 -0
@@ -0,0 +1,9 @@ +obj-$(CONFIG_XEN_USBDEV_BACKEND) += usbback.o + +usbback-objs := \ +usbback_device.o \ +usbback_driver_backend.o \ +usbback_driver.o \ +usbback_driver_port.o \ +usbback_driver_port_resource.o \ +usbback_module.o
linux-2.6-xen-sparse/drivers/xen/usbback/usbback_assert.h new file +38 -0
@@ -0,0 +1,38 @@ +/*****************************************************************************/ +/* Implementation of the ASSERT macro */ +/* Copyright (c) 2005 Harry Butterworth IBM Corporation */ +/* */ +/* This program is free software; you can redistribute it and/or modify it */ +/* under the terms of the GNU General Public License as published by the */ +/* Free Software Foundation; either version 2 of the License, or (at your */ +/* option) any later version. */ +/* */ +/* This program is distributed in the hope that it will be useful, but */ +/* WITHOUT ANY WARRANTY; without even the implied warranty of */ +/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General */ +/* Public License for more details. */ +/* */ +/* You should have received a copy of the GNU General Public License along */ +/* with this program; if not, write to the Free Software Foundation, Inc., */ +/* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +/* */ +/*****************************************************************************/ + +#ifndef USBBACK_ASSERT_H +#define USBBACK_ASSERT_H + +#include <linux/kernel.h> + +static inline void assert_failed + (const char *function,int line,const char *statement) { +printk + (KERN_ERR "usbback assert failed: %s line %d, statement %s\n" , + function, line, statement); + +BUG (); +} + +#define ASSERT (S ) \ +( ( S ) ? ( (void)0 ) : assert_failed( __PRETTY_FUNCTION__, __LINE__, #S ) ) + +#endif
linux-2.6-xen-sparse/drivers/xen/usbback/usbback_device.c new file +450 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_device.h new file +42 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver.c new file +240 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver.h new file +53 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_backend.c new file +554 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_backend.h new file +61 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_port.c new file +1369 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_port.h new file +144 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_port_resource.c new file +1156 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_driver_port_resource.h new file +83 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_module.c new file +80 -0
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linux-2.6-xen-sparse/drivers/xen/usbback/usbback_trace.h new file +54 -0
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patches/linux-2.6.12/usb.patch new file +10 -0
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