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-rw-r--r--include/xen/grant_table.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/include/xen/grant_table.h b/include/xen/grant_table.h
index 694dcaf266e6..7ad033dbc845 100644
--- a/include/xen/grant_table.h
+++ b/include/xen/grant_table.h
@@ -178,17 +178,28 @@ int arch_gnttab_map_status(uint64_t *frames, unsigned long nr_gframes,
178 grant_status_t **__shared); 178 grant_status_t **__shared);
179void arch_gnttab_unmap(void *shared, unsigned long nr_gframes); 179void arch_gnttab_unmap(void *shared, unsigned long nr_gframes);
180 180
181extern unsigned long xen_hvm_resume_frames; 181struct grant_frames {
182 xen_pfn_t *pfn;
183 unsigned int count;
184 void *vaddr;
185};
186extern struct grant_frames xen_auto_xlat_grant_frames;
182unsigned int gnttab_max_grant_frames(void); 187unsigned int gnttab_max_grant_frames(void);
188int gnttab_setup_auto_xlat_frames(phys_addr_t addr);
189void gnttab_free_auto_xlat_frames(void);
183 190
184#define gnttab_map_vaddr(map) ((void *)(map.host_virt_addr)) 191#define gnttab_map_vaddr(map) ((void *)(map.host_virt_addr))
185 192
186int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, 193int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops,
187 struct gnttab_map_grant_ref *kmap_ops,
188 struct page **pages, unsigned int count); 194 struct page **pages, unsigned int count);
195int gnttab_map_refs_userspace(struct gnttab_map_grant_ref *map_ops,
196 struct gnttab_map_grant_ref *kmap_ops,
197 struct page **pages, unsigned int count);
189int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, 198int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops,
190 struct gnttab_map_grant_ref *kunmap_ops,
191 struct page **pages, unsigned int count); 199 struct page **pages, unsigned int count);
200int gnttab_unmap_refs_userspace(struct gnttab_unmap_grant_ref *unmap_ops,
201 struct gnttab_map_grant_ref *kunmap_ops,
202 struct page **pages, unsigned int count);
192 203
193/* Perform a batch of grant map/copy operations. Retry every batch slot 204/* Perform a batch of grant map/copy operations. Retry every batch slot
194 * for which the hypervisor returns GNTST_eagain. This is typically due 205 * for which the hypervisor returns GNTST_eagain. This is typically due