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=7799e0650916f39d1bb4db68d538afcfbfe66d61;hb=0e097100a26bc43eb8964734fa43130fc4c71429;hpb=a109eb919a162bd7de58d62020801bc2e633be50 diff --git a/palacios/include/palacios/vmm_shadow_paging.h b/palacios/include/palacios/vmm_shadow_paging.h index 7799e06..cd0cb7a 100644 --- a/palacios/include/palacios/vmm_shadow_paging.h +++ b/palacios/include/palacios/vmm_shadow_paging.h @@ -1,47 +1,68 @@ -#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__ #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; - reg_ex_t guest_cr3; // points to guest's current page table + // virtualized control registers + v3_reg_t guest_cr3; + v3_reg_t guest_cr0; + v3_msr_t guest_efer; - // Should this be here?? - reg_ex_t guest_cr0; + // list of allocated shadow pages + struct list_head page_list; - // these two reflect the top-level page directory - // the shadow page table - paging_mode_t shadow_mode; - reg_ex_t shadow_cr3; +#ifdef CONFIG_SHADOW_PAGING_TELEMETRY + uint_t guest_faults; +#endif }; +struct guest_info; - -struct guest_info; +int v3_init_shadow_page_state(struct guest_info * info); -int init_shadow_page_state(struct shadow_page_state * state); +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); -// This function will cause the shadow page table to be deleted -// and rewritten to reflect the guest page table and the shadow map -int wholesale_update_shadow_page_state(struct guest_info * guest_info); +int v3_activate_shadow_pt(struct guest_info * info); +int v3_invalidate_shadow_pts(struct guest_info * info); +#endif // ! __V3VEE__ #endif