xen: add virtual block device driver.

The block device frontend driver allows the kernel to access block
devices exported exported by a virtual machine containing a physical
block device driver.

Signed-off-by: Ian Pratt <ian.pratt@xensource.com>
Signed-off-by: Christian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Cc: Arjan van de Ven <arjan@infradead.org>
Cc: Greg KH <greg@kroah.com>
Cc: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jeremy Fitzhardinge 2007-07-17 18:37:06 -07:00 committed by Jeremy Fitzhardinge
parent 4bac07c993
commit 9f27ee5950
4 changed files with 1000 additions and 0 deletions

View file

@ -158,6 +158,8 @@
#define VXSPEC_MAJOR 200 /* VERITAS volume config driver */
#define VXDMP_MAJOR 201 /* VERITAS volume multipath driver */
#define XENVBD_MAJOR 202 /* Xen virtual block device */
#define MSR_MAJOR 202
#define CPUID_MAJOR 203