diff options
Diffstat (limited to 'include/xen/interface/memory.h')
| -rw-r--r-- | include/xen/interface/memory.h | 58 |
1 files changed, 39 insertions, 19 deletions
diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h index b66d04ce695..b40a4315cb8 100644 --- a/include/xen/interface/memory.h +++ b/include/xen/interface/memory.h @@ -153,6 +153,14 @@ struct xen_machphys_mapping { }; DEFINE_GUEST_HANDLE_STRUCT(xen_machphys_mapping_t); +#define XENMAPSPACE_shared_info 0 /* shared info page */ +#define XENMAPSPACE_grant_table 1 /* grant table page */ +#define XENMAPSPACE_gmfn 2 /* GMFN */ +#define XENMAPSPACE_gmfn_range 3 /* GMFN range, XENMEM_add_to_physmap only. */ +#define XENMAPSPACE_gmfn_foreign 4 /* GMFN from another dom, + * XENMEM_add_to_physmap_range only. + */ + /* * Sets the GPFN at which a particular page appears in the specified guest's * pseudophysical address space. @@ -167,8 +175,6 @@ struct xen_add_to_physmap { uint16_t size; /* Source mapping space. */ -#define XENMAPSPACE_shared_info 0 /* shared info page */ -#define XENMAPSPACE_grant_table 1 /* grant table page */ unsigned int space; /* Index into source mapping space. */ @@ -179,28 +185,26 @@ struct xen_add_to_physmap { }; DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap); -/* - * Translates a list of domain-specific GPFNs into MFNs. Returns a -ve error - * code on failure. This call only works for auto-translated guests. - */ -#define XENMEM_translate_gpfn_list 8 -struct xen_translate_gpfn_list { - /* Which domain to translate for? */ +/*** REMOVED ***/ +/*#define XENMEM_translate_gpfn_list 8*/ + +#define XENMEM_add_to_physmap_range 23 +struct xen_add_to_physmap_range { + /* Which domain to change the mapping for. */ domid_t domid; + uint16_t space; /* => enum phys_map_space */ - /* Length of list. */ - xen_ulong_t nr_gpfns; + /* Number of pages to go through */ + uint16_t size; + domid_t foreign_domid; /* IFF gmfn_foreign */ - /* List of GPFNs to translate. */ - GUEST_HANDLE(ulong) gpfn_list; + /* Indexes into space being mapped. */ + GUEST_HANDLE(xen_ulong_t) idxs; - /* - * Output list to contain MFN translations. May be the same as the input - * list (in which case each input GPFN is overwritten with the output MFN). - */ - GUEST_HANDLE(ulong) mfn_list; + /* GPFN in domid where the source mapping page should appear. */ + GUEST_HANDLE(xen_pfn_t) gpfns; }; -DEFINE_GUEST_HANDLE_STRUCT(xen_translate_gpfn_list); +DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap_range); /* * Returns the pseudo-physical memory map as it was when the domain @@ -237,4 +241,20 @@ DEFINE_GUEST_HANDLE_STRUCT(xen_memory_map); * during a driver critical region. */ extern spinlock_t xen_reservation_lock; + +/* + * Unmaps the page appearing at a particular GPFN from the specified guest's + * pseudophysical address space. + * arg == addr of xen_remove_from_physmap_t. + */ +#define XENMEM_remove_from_physmap 15 +struct xen_remove_from_physmap { + /* Which domain to change the mapping for. */ + domid_t domid; + + /* GPFN of the current mapping of the page. */ + xen_pfn_t gpfn; +}; +DEFINE_GUEST_HANDLE_STRUCT(xen_remove_from_physmap); + #endif /* __XEN_PUBLIC_MEMORY_H__ */ |