linux-kernel - [PATCH 0/4] xen, usb: support pvUSB drivers

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Date:	Thu, 26 Feb 2015 14:35:13 +0100
From:	Juergen Gross <jgross@...e.com>
To:	linux-kernel@...r.kernel.org, xen-devel@...ts.xensource.com,
	konrad.wilk@...cle.com, david.vrabel@...rix.com,
	boris.ostrovsky@...cle.com, linux-usb@...r.kernel.org,
	gregkh@...uxfoundation.org, cyliu@...e.com
Cc:	Juergen Gross <jgross@...e.com>
Subject: [PATCH 0/4] xen, usb: support pvUSB drivers

This series adds XEN pvUSB support. With pvUSB it is possible to use physical
USB devices from a XEN domain.

The support consists of a backend in the privileged Domain-0 doing the real
I/O and a frontend in the unprivileged domU passing I/O-requests to the backend.

The code is taken (and adapted) from the original pvUSB implementation done
for Linux 2.6 in 2008 by Fujitsu.

Normal operation of USB devices by adding and removing them dynamically to/from
a domain has been tested using various USB devices (USB 1.1, 2.0 and 3.0).
Assignment of a USB device at domain creation via config file has been tested
as well.

Tests have been performed with the xm toolset and with xl using patches
from Chun Yan Liu which are not upstream yet.

Juergen Gross (4):
  usb: Add Xen pvUSB protocol description
  usb: Introduce Xen pvUSB frontend
  usb: Introduce Xen pvUSB backend
  xen: add Xen pvUSB maintainer

 MAINTAINERS                      |    8 +
 drivers/usb/Kconfig              |    2 +
 drivers/usb/Makefile             |    3 +
 drivers/usb/xen/Kconfig          |   20 +
 drivers/usb/xen/Makefile         |    6 +
 drivers/usb/xen/xen-usbback.c    | 1845 ++++++++++++++++++++++++++++++++++++++
 drivers/usb/xen/xen-usbfront.c   | 1634 +++++++++++++++++++++++++++++++++
 include/xen/interface/io/usbif.h |  220 +++++
 8 files changed, 3738 insertions(+)
 create mode 100644 drivers/usb/xen/Kconfig
 create mode 100644 drivers/usb/xen/Makefile
 create mode 100644 drivers/usb/xen/xen-usbback.c
 create mode 100644 drivers/usb/xen/xen-usbfront.c
 create mode 100644 include/xen/interface/io/usbif.h

-- 
2.1.4

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