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| author | Daniel De Graaf <dgdegra@tycho.nsa.gov> | 2012-08-17 00:40:26 +0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-08-23 18:16:18 +0400 |
| commit | 5c13f8067745efc15f6ad0158b58d57c44104c25 (patch) | |
| tree | d873f981be9f5b68de0203a3b30d65a97999ab4d /include | |
| parent | b8b0f559c7b1dcf5503817e518c81c9a18ee45e0 (diff) | |
| download | linux-5c13f8067745efc15f6ad0158b58d57c44104c25.tar.xz | |
xen/sysfs: Use XENVER_guest_handle to query UUID
This hypercall has been present since Xen 3.1, and is the preferred
method for a domain to obtain its UUID. Fall back to the xenstore method
if using an older version of Xen (which returns -ENOSYS).
Signed-off-by: Daniel De Graaf <dgdegra@tycho.nsa.gov>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/xen/interface/version.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/xen/interface/version.h b/include/xen/interface/version.h index e8b6519d47e9..dd58cf5ea3e4 100644 --- a/include/xen/interface/version.h +++ b/include/xen/interface/version.h @@ -60,4 +60,7 @@ struct xen_feature_info { /* arg == NULL; returns host memory page size. */ #define XENVER_pagesize 7 +/* arg == xen_domain_handle_t. */ +#define XENVER_guest_handle 8 + #endif /* __XEN_PUBLIC_VERSION_H__ */ |