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

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 <>
Signed-off-by: default avatarChristian Limpach <>
Signed-off-by: default avatarChris Wright <>
Cc: Arjan van de Ven <>
Cc: Greg KH <>
Cc: Jens Axboe <>
parent 4bac07c9
......@@ -427,4 +427,13 @@ config XILINX_SYSACE
Include support for the Xilinx SystemACE CompactFlash interface
tristate "Xen virtual block device support"
depends on XEN
default y
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
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment