diff options
Diffstat (limited to 'kernel/arch/x86/xen/p2m.h')
| -rw-r--r-- | kernel/arch/x86/xen/p2m.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/arch/x86/xen/p2m.h b/kernel/arch/x86/xen/p2m.h new file mode 100644 index 000000000..ad8aee24a --- /dev/null +++ b/kernel/arch/x86/xen/p2m.h @@ -0,0 +1,15 @@ +#ifndef _XEN_P2M_H +#define _XEN_P2M_H + +#define P2M_PER_PAGE (PAGE_SIZE / sizeof(unsigned long)) +#define P2M_MID_PER_PAGE (PAGE_SIZE / sizeof(unsigned long *)) +#define P2M_TOP_PER_PAGE (PAGE_SIZE / sizeof(unsigned long **)) + +#define MAX_P2M_PFN (P2M_TOP_PER_PAGE * P2M_MID_PER_PAGE * P2M_PER_PAGE) + +#define MAX_REMAP_RANGES 10 + +extern unsigned long __init set_phys_range_identity(unsigned long pfn_s, + unsigned long pfn_e); + +#endif /* _XEN_P2M_H */ |