X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=a88270b2d578c4e6c7359e9850adf0b98693fb80;hb=f0ca08d07c5cf265dba71c55cb745883baa7d1f4;hp=247c471c01c319ae0fd491897a7cf164cc4107c7;hpb=6dee811714540921f73487de80e069decb80c602;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 247c471..a88270b 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -29,38 +29,83 @@
 #include <palacios/vmm_list.h>
 #include <palacios/vmm_msr.h>
 
+#include <palacios/vmm_config.h>
 
-struct shadow_page_state {
+
+struct guest_info;
+
+struct v3_shdw_pg_impl {
+    char * name;
+    int (*init)(struct v3_vm_info * vm, v3_cfg_tree_t * cfg);
+    int (*deinit)(struct v3_vm_info * vm);
+    int (*local_init)(struct guest_info * core);
+    int (*handle_pagefault)(struct guest_info * core, addr_t fault_addr, pf_error_t error_code);
+    int (*handle_invlpg)(struct guest_info * core, addr_t vaddr);
+    int (*activate_shdw_pt)(struct guest_info * core);
+    int (*invalidate_shdw_pt)(struct guest_info * core);
+};
+
+
+
+struct v3_shdw_impl_state {
+    
+    struct v3_shdw_pg_impl * current_impl;
+    void * impl_data;
+};
+
+struct v3_shdw_pg_state {
 
     // virtualized control registers
     v3_reg_t guest_cr3;
     v3_reg_t guest_cr0;
     v3_msr_t guest_efer;
 
-    // list of allocated shadow pages
-    struct list_head page_list;
+    void * local_impl_data;
 
-};
+#ifdef CONFIG_SHADOW_PAGING_TELEMETRY
+    uint_t guest_faults;
+#endif
 
+};
 
 
-struct guest_info;
 
 
 
 
-
-int v3_init_shadow_page_state(struct guest_info * info);
+int v3_init_shdw_impl(struct v3_vm_info * vm);
+int v3_init_shdw_pg_state(struct guest_info * info);
 
 
+/* Handler implementations */
 int v3_handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
 int v3_handle_shadow_invlpg(struct guest_info * info);
 
-
+/* Actions.. */
 int v3_activate_shadow_pt(struct guest_info * info);
 int v3_invalidate_shadow_pts(struct guest_info * info);
 
 
+/* Utility functions for shadow paging implementations */
+int v3_inject_guest_pf(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+int v3_is_guest_pf(pt_access_status_t guest_access, pt_access_status_t shadow_access);
+
+
+
+
+
+int V3_init_shdw_paging();
+
+#define register_shdw_pg_impl(impl)					\
+    static struct v3_shdw_pg_impl * _v3_shdw_pg_impl			\
+    __attribute__((used))						\
+	__attribute__((unused, __section__ ("_v3_shdw_pg_impls"),	\
+		       aligned(sizeof(addr_t))))			\
+	= impl;
+
+
+
+
 #endif // ! __V3VEE__
 
 #endif