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| author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2012-05-08 09:46:57 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-05-21 09:53:18 -0400 |
| commit | d2fb4c51c7471a23f0a95526b624c14cec62603d (patch) | |
| tree | 2e905427ff32e1ee835f8240523eb1987a351901 /include/xen | |
| parent | 2f1bd67d544d3c086fb5101513f4b6c8f4291b43 (diff) | |
| download | lwn-d2fb4c51c7471a23f0a95526b624c14cec62603d.tar.gz lwn-d2fb4c51c7471a23f0a95526b624c14cec62603d.zip | |
xenbus: Add support for xenbus backend in stub domain
Add an ioctl to the /dev/xen/xenbus_backend device allowing the xenbus
backend to be started after the kernel has booted. This allows xenstore
to run in a different domain from the dom0.
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include/xen')
| -rw-r--r-- | include/xen/grant_table.h | 2 | ||||
| -rw-r--r-- | include/xen/xenbus_dev.h | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h index 15f8a00ff003..11e27c3af3cb 100644 --- a/include/xen/grant_table.h +++ b/include/xen/grant_table.h @@ -46,6 +46,8 @@ #include <xen/features.h> +#define GNTTAB_RESERVED_XENSTORE 1 + /* NR_GRANT_FRAMES must be less than or equal to that configured in Xen */ #define NR_GRANT_FRAMES 4 diff --git a/include/xen/xenbus_dev.h b/include/xen/xenbus_dev.h index ac5f0fe47ed9..bbee8c6a349d 100644 --- a/include/xen/xenbus_dev.h +++ b/include/xen/xenbus_dev.h @@ -38,4 +38,7 @@ #define IOCTL_XENBUS_BACKEND_EVTCHN \ _IOC(_IOC_NONE, 'B', 0, 0) +#define IOCTL_XENBUS_BACKEND_SETUP \ + _IOC(_IOC_NONE, 'B', 1, 0) + #endif /* __LINUX_XEN_XENBUS_DEV_H__ */ |