X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_shadow_paging.h;h=cd0cb7a4596f4cf94950c0d489dd91b3dbe16e90;hp=330f7abd266fe580352b38bedc719a6f6d0f7860;hb=0e097100a26bc43eb8964734fa43130fc4c71429;hpb=101529b6eae500272347287df43ec51aa003d0aa diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h index 330f7ab..cd0cb7a 100644 --- a/palacios/include/palacios/vmm_shadow_paging.h +++ b/palacios/include/palacios/vmm_shadow_paging.h @@ -1,8 +1,24 @@ -/* (c) 2008, Jack Lange */ -/* (c) 2008, The V3VEE Project */ - -#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 + * Copyright (c) 2008, The V3VEE Project + * All rights reserved. + * + * Author: Jack Lange + * + * 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__ @@ -10,28 +26,24 @@ #include #include #include +#include +#include -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 shadow_page_state { - // Should this be here?? - ullong_t guest_cr0; + // virtualized control registers + v3_reg_t guest_cr3; + v3_reg_t guest_cr0; + v3_msr_t guest_efer; - // these two reflect the top-level page directory - // of the shadow page table - paging_mode_t shadow_mode; - ullong_t shadow_cr3; + // list of allocated shadow pages + struct list_head page_list; - // Hash table that ties a CR3 value to a hash table pointer for the PT entries - struct hashtable * cr3_cache; - // Hash table that contains a mapping of guest pte addresses to host pte addresses - struct hashtable * cached_ptes; - addr_t cached_cr3; +#ifdef CONFIG_SHADOW_PAGING_TELEMETRY + uint_t guest_faults; +#endif }; @@ -40,21 +52,16 @@ struct shadow_page_state { struct guest_info; +int v3_init_shadow_page_state(struct guest_info * info); -int cache_page_tables32(struct guest_info * info, addr_t pde); - -int init_shadow_page_state(struct guest_info * info); - -addr_t create_new_shadow_pt32(); - -int handle_shadow_pagefault(struct guest_info * info, addr_t fault_addr, pf_error_t error_code); -int handle_shadow_invlpg(struct guest_info * info); +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); +int v3_activate_shadow_pt(struct guest_info * info); +int v3_invalidate_shadow_pts(struct guest_info * info); -int v3_replace_shdw_page(struct guest_info * info, addr_t location, void * new_page, void* old_page); -int v3_replace_shdw_page32(struct guest_info * info, addr_t location, pte32_t * new_page, pte32_t * old_page); #endif // ! __V3VEE__