X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=6af224c555d81b6d9a379bda59828351feb9dc86;hb=e8e3ec0355b791d6f729df796d0155bccca85090;hp=a3eabb99def4fbcfb95b7f59b583de747699aafb;hpb=9b4bfeefac09294a6f0ae12dbadf102eb547f5ec;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index a3eabb9..6af224c 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -27,41 +27,108 @@
 #include <palacios/vmm_paging.h>
 #include <palacios/vmm_hashtable.h>
 #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 (*local_deinit)(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 list_head event_callback_list;
+
+};
+
+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;
 
-    /* SOON TO BE DEPRECATED */
-    // Hash table that contains a mapping of guest pte addresses to host pte addresses
-    struct hashtable *  cached_ptes;
-    addr_t cached_cr3;
-
-};
+#ifdef V3_CONFIG_SHADOW_PAGING_TELEMETRY
+    uint_t guest_faults;
+#endif
 
 
+};
 
-struct guest_info;
 
+struct v3_shdw_pg_event {
+    enum {SHADOW_PAGEFAULT,SHADOW_INVLPG,SHADOW_INVALIDATE,SHADOW_ACTIVATE} event_type;
+    enum {SHADOW_PREIMPL, SHADOW_POSTIMPL} event_order;
+    addr_t     gva;        // for pf and invlpg
+    pf_error_t error_code; // for pf
+};
 
 
 
+int v3_init_shdw_impl(struct v3_vm_info * vm);
+int v3_deinit_shdw_impl(struct v3_vm_info * vm);
 
-int v3_init_shadow_page_state(struct guest_info * info);
+int v3_init_shdw_pg_state(struct guest_info * core);
+int v3_deinit_shdw_pg_state(struct guest_info * core);
 
 
+/* 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_activate_passthrough_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_register_shadow_paging_event_callback(struct v3_vm_info *vm,
+					  int (*callback)(struct guest_info *core, 
+							  struct v3_shdw_pg_event *event,
+							  void      *priv_data),
+					  void *priv_data);
+
+int v3_unregister_shadow_paging_event_callback(struct v3_vm_info *vm,
+					       int (*callback)(struct guest_info *core, 
+							       struct v3_shdw_pg_event *event,
+							       void      *priv_data),
+					       void *priv_data);
+
+
+
+
+int V3_init_shdw_paging();
+int V3_deinit_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__