X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=f7ececfe1d0809fa4ec211ab99a6712f62841ffc;hb=c7dc4898f820a63f38c04add12f74d9ea1295ffc;hp=695e0f668289440224601e3ecf76b39bff23a5b1;hpb=9ed850393ba752a7c0bb83673b5ff98f9573f2da;p=palacios.git

diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h
index 695e0f6..f7ececf 100644
--- a/palacios/include/palacios/vmm_shadow_paging.h
+++ b/palacios/include/palacios/vmm_shadow_paging.h
@@ -1,60 +1,137 @@
-#ifndef __VMM_SHADOW_PAGING_H
-#define __VMM_SHADOW_PAGING_H
-
-
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National 
+ * Science Foundation and the Department of Energy.  
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico.  You can find out more at 
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu> 
+ * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org> 
+ * All rights reserved.
+ *
+ * Author: Jack Lange <jarusl@cs.northwestern.edu>
+ *
+ * This is free software.  You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+#ifndef __VMM_SHADOW_PAGING_H__
+#define __VMM_SHADOW_PAGING_H__
+
+
+#ifdef __V3VEE__
 
 #include <palacios/vmm_util.h>
 #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 {
 
-  // these two reflect the top-level page directory
-  // of the guest page table
-  paging_mode_t           guest_mode;
-  ullong_t                guest_cr3;         // points to guest's current page table
+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);
+};
 
-  // Should this be here??
-  reg_ex_t                guest_cr0;
 
-  // these two reflect the top-level page directory 
-  // of the shadow page table
-  paging_mode_t           shadow_mode;
-  ullong_t                shadow_cr3;
+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;
+    v3_reg_t guest_cr4;
 
+    void * local_impl_data;
 
+#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_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_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 init_shadow_page_state(struct shadow_page_state * state);
 
 
-addr_t create_new_shadow_pt32(struct guest_info * info);
 
-addr_t setup_shadow_pt32(struct guest_info * info, addr_t virt_cr3);
-addr_t setup_shadow_pte32(struct guest_info * info, addr_t pt_host_addr);
+int V3_init_shdw_paging();
+int V3_deinit_shdw_paging();
 
-int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
-int handle_shadow_pagefault32(struct guest_info * info, addr_t fault_addr, pf_error_t error_code);
+#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;
 
-int handle_shadow_pde32_fault(struct guest_info * info, 
-			      addr_t fault_addr, 
-			      pf_error_t error_code, 
-			      pde32_t * shadow_pde, 
-			      pde32_t * guest_pde);
 
 
-int handle_shadow_pte32_fault(struct guest_info* info, 
-			      addr_t fault_addr, 
-			      pf_error_t error_code,
-			      pte32_t * shadow_pte, 
-			      pte32_t * guest_pte);
 
+#endif // ! __V3VEE__
 
 #endif