diff options
Diffstat (limited to 'sys/xen/interface/elfnote.h')
| -rw-r--r-- | sys/xen/interface/elfnote.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/sys/xen/interface/elfnote.h b/sys/xen/interface/elfnote.h index 77be41b..42d76da 100644 --- a/sys/xen/interface/elfnote.h +++ b/sys/xen/interface/elfnote.h @@ -162,9 +162,39 @@ #define XEN_ELFNOTE_SUSPEND_CANCEL 14 /* + * The (non-default) location the initial phys-to-machine map should be + * placed at by the hypervisor (Dom0) or the tools (DomU). + * The kernel must be prepared for this mapping to be established using + * large pages, despite such otherwise not being available to guests. + * The kernel must also be able to handle the page table pages used for + * this mapping not being accessible through the initial mapping. + * (Only x86-64 supports this at present.) + */ +#define XEN_ELFNOTE_INIT_P2M 15 + +/* + * Whether or not the guest can deal with being passed an initrd not + * mapped through its initial page tables. + */ +#define XEN_ELFNOTE_MOD_START_PFN 16 + +/* + * The features supported by this kernel (numeric). + * + * Other than XEN_ELFNOTE_FEATURES on pre-4.2 Xen, this note allows a + * kernel to specify support for features that older hypervisors don't + * know about. The set of features 4.2 and newer hypervisors will + * consider supported by the kernel is the combination of the sets + * specified through this and the string note. + * + * LEGACY: FEATURES + */ +#define XEN_ELFNOTE_SUPPORTED_FEATURES 17 + +/* * The number of the highest elfnote defined. */ -#define XEN_ELFNOTE_MAX XEN_ELFNOTE_SUSPEND_CANCEL +#define XEN_ELFNOTE_MAX XEN_ELFNOTE_SUPPORTED_FEATURES /* * System information exported through crash notes. |
