REV 2 USB virt 2.6 split driver---USB split driver front-end
PATCH 16/17 REV 2 USB virt 2.6 split driver---USB split driver front-end
This patch implements the front end of the USB split driver.
Signed-off-by Harry Butterworth <[email protected]>
linux-2.6-xen-sparse/arch/xen/Kconfig +24 -0
@@ -159,6 +159,30 @@ are unsure; or if you experience network hangs when this option is enabled; then you must say N here. +config XEN_USBDEV_FRONTEND + tristate "USB-device frontend driver" + select USB + default m + help + The USB-device frontend driver allows the kernel to access USB + devices exported by a USB-device backend driver running in another + domain. + 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 a USB-device backend driver to export a + USB device from another domain to the domain which will run this + kernel. + +config XEN_USBDEV_FRONTEND_TRACE + bool "USB-device frontend driver tracing" + depends on XEN_USBDEV_FRONTEND + 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_BLKDEV_TAP bool "Block device tap driver" default n
linux-2.6-xen-sparse/drivers/xen/Makefile +1 -1
@@ -17,4 +17,4 @@ obj-$(CONFIG_XEN_NETDEV_FRONTEND) += netfront/ obj-$(CONFIG_XEN_BLKDEV_TAP) += blktap/ obj-$(CONFIG_XEN_TPMDEV_FRONTEND) += tpmfront/ - +obj-$(CONFIG_XEN_USBDEV_FRONTEND) += usbfront/
linux-2.6-xen-sparse/drivers/xen/usbback/usbback_trace.h +1 -1
@@ -29,7 +29,7 @@#define trace_info (format, ...) \ printk(KERN_INFO "usbback %s: " format "\n", __FUNCTION__, ## __VA_ARGS__) -#define trace () trace_info( "" ) +#define trace () trace_info("")#else
linux-2.6-xen-sparse/drivers/xen/usbfront/Makefile new file +7 -0
@@ -0,0 +1,7 @@ +obj-$(CONFIG_XEN_USBDEV_FRONTEND) += usbfront.o + +usbfront-objs := \ +usbfront_hcd_resource.o \ +usbfront_driver.o \ +usbfront_device.o \ +usbfront_module.o
linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_assert.h new file +38 -0
@@ -0,0 +1,38 @@ +/*****************************************************************************/ +/* An 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 USBFRONT_ASSERT_H +#define USBFRONT_ASSERT_H + +#include <linux/kernel.h> + +static inline void +assert_failed (const char *function,int line,const char *statement) +{ +printk (KERN_ERR "usbfront assert failed: %s line %d, statement %s\n" , + function, line, statement); + +BUG (); +} + +#define ASSERT (S ) ((S)?(void)0:assert_failed(__FUNCTION__, __LINE__, #S)) + +#endif
linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_device.c new file +969 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_device.h new file +92 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_driver.c new file +601 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_driver.h new file +35 -0
@@ -0,0 +1,35 @@ +/*****************************************************************************/ +/* A device driver for usbfront_device devices. */ +/* */ +/* 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 USBFRONT_DRIVER_H +#define USBFRONT_DRIVER_H + +#include "usbfront_device.h" + +int usbfront_driver_class_init (void ); + +void usbfront_driver_class_exit (void ); + +int usbfront_driver_probe (struct usbfront_device *device); + +void usbfront_driver_remove (struct usbfront_device *device); + +#endif
linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_hcd_resource.c new file +728 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_hcd_resource.h new file +98 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_module.c new file +67 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_sll.h new file +106 -0
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linux-2.6-xen-sparse/drivers/xen/usbfront/usbfront_trace.h new file +41 -0
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