lots of fixes

[palacios.git] / palacios / include / palacios / vmm_sym_swap.h

diff --git a/palacios/include/palacios/vmm_sym_swap.h b/palacios/include/palacios/vmm_sym_swap.h
index 6bb3788..e104acc 100644 (file)
--- a/palacios/include/palacios/vmm_sym_swap.h
+++ b/palacios/include/palacios/vmm_sym_swap.h
@@ -45,12 +45,20 @@ struct v3_swap_dev {
 struct v3_sym_swap_state {
     struct v3_swap_dev devs[256];
 
+#ifdef CONFIG_SYMBIOTIC_SWAP_TELEMETRY
+    uint32_t read_faults;
+    uint32_t write_faults;
+    uint32_t flushes;
+    uint32_t mapped_pages;
+    uint32_t list_size;
+#endif
+
     // shadow pointers
     struct hashtable * shdw_ptr_ht;
 };
 
-
-
+// Present = 0 and Dirty = 0
+// fixme
 static inline int is_swapped_pte32(pte32_t * pte) {
     return ((pte->present == 0) && (*(uint32_t *)pte != 0));
 }
@@ -65,7 +73,9 @@ int v3_register_swap_disk(struct guest_info * info, int dev_index,
 int v3_swap_in_notify(struct guest_info * info, int pg_index, int dev_index);
 
 
-addr_t v3_get_swapped_pg_addr(struct guest_info * info, pte32_t * shadow_pte, pte32_t * guest_pte);
+int v3_get_vaddr_perms(struct guest_info * info, addr_t vaddr, pte32_t * guest_pte, pf_error_t * page_perms);
+addr_t v3_get_swapped_pg_addr(struct guest_info * info, pte32_t * guest_pte);
+addr_t v3_map_swp_page(struct guest_info * info, pte32_t * shadow_pte, pte32_t * guest_pte, void * swp_page_ptr);
 
 int v3_swap_flush(struct guest_info * info);