Commit 9f27ee59 authored by Jeremy Fitzhardinge's avatar Jeremy Fitzhardinge Committed by Jeremy Fitzhardinge

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: default avatarIan Pratt <ian.pratt@xensource.com>
Signed-off-by: default avatarChristian Limpach <Christian.Limpach@cl.cam.ac.uk>
Signed-off-by: default avatarChris 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>
parent 4bac07c9
......@@ -427,4 +427,13 @@ config XILINX_SYSACE
help
Include support for the Xilinx SystemACE CompactFlash interface
config XEN_BLKDEV_FRONTEND
tristate "Xen virtual block device support"
depends on XEN
default y
help
This driver implements the front-end of the Xen virtual
block device driver. It communicates with a back-end driver
in another domain which drives the actual block device.
endif # BLK_DEV
......@@ -29,3 +29,4 @@ obj-$(CONFIG_VIODASD) += viodasd.o
obj-$(CONFIG_BLK_DEV_SX8) += sx8.o
obj-$(CONFIG_BLK_DEV_UB) += ub.o
obj-$(CONFIG_XEN_BLKDEV_FRONTEND) += xen-blkfront.o
This diff is collapsed.
......@@ -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
......
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