X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Fsrc%2Fpalacios%2Fmmu%2Fvmm_shdw_pg_kvm_32.h;h=3586a6fc1a675ee85c9565742e6fae8f3bbf7942;hb=4ca005982593fbdd7f4204ec9805b5f86edf5155;hp=921753899ab94a08ca9971be3d2c8f3e331e7fe7;hpb=d0ebfed83ac079f95da8bf79e64ac77f31d551ac;p=palacios.git diff --git a/palacios/src/palacios/mmu/vmm_shdw_pg_kvm_32.h b/palacios/src/palacios/mmu/vmm_shdw_pg_kvm_32.h index 9217538..3586a6f 100644 --- a/palacios/src/palacios/mmu/vmm_shdw_pg_kvm_32.h +++ b/palacios/src/palacios/mmu/vmm_shdw_pg_kvm_32.h @@ -1,24 +1,6 @@ -/* - * 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". - */ -#ifdef CONFIG_SHADOW_CACHE +#ifdef V3_CONFIG_SHADOW_CACHE static inline int activate_shadow_pt_32(struct guest_info * core) { struct cr3_32 * shadow_cr3 = (struct cr3_32 *)&(core->ctrl_regs.cr3); @@ -31,12 +13,12 @@ static inline int activate_shadow_pt_32(struct guest_info * core) { } shdw_page = shadow_page_get_page(core, (addr_t)(guest_cr3->pdt_base_addr), 2, 0, 0, 0, 0); - PrintDebug("act shdw pt: gcr3 %p\n",(void *)BASE_TO_PAGE_ADDR(guest_cr3->pdt_base_addr)); + PrintDebug(info->vm_info, info, "act shdw pt: gcr3 %p\n",(void *)BASE_TO_PAGE_ADDR(guest_cr3->pdt_base_addr)); shdw_page->cr3 = shdw_page->page_pa; shadow_cr3->pdt_base_addr = PAGE_BASE_ADDR_4KB(shdw_page->page_pa); - PrintDebug( "Created new shadow page table %p\n", (void *)BASE_TO_PAGE_ADDR(shadow_cr3->pdt_base_addr)); + PrintDebug(info->vm_info, info, "Created new shadow page table %p\n", (void *)BASE_TO_PAGE_ADDR(shadow_cr3->pdt_base_addr)); shadow_cr3->pwt = guest_cr3->pwt; shadow_cr3->pcd = guest_cr3->pcd; @@ -56,7 +38,7 @@ static inline int activate_shadow_pt_32(struct guest_info * core) { */ static inline int fix_read_pf_32(pte32_t * shadow_pte, uint_t vmm_info) { - PrintDebug("\trdipf, start vmm_info %d\n",vmm_info); + PrintDebug(info->vm_info, info, "\trdipf, start vmm_info %d\n",vmm_info); if((vmm_info & PT_USER_MASK) && !(shadow_pte->user_page)) { shadow_pte->user_page = 1; shadow_pte->writable = 0; @@ -73,27 +55,27 @@ static inline int fix_write_pf_32(struct guest_info * core, pte32_t * shadow_pte struct shadow_page_cache_data * page; *write_pt = 0; - PrintDebug("\twripf, start vmm_info %d\n",vmm_info); + PrintDebug(info->vm_info, info, "\twripf, start vmm_info %d\n",vmm_info); if(shadow_pte->writable) { return 0; } - PrintDebug("\twrpf: pass writable\n"); + PrintDebug(info->vm_info, info, "\twrpf: pass writable\n"); writable_shadow = vmm_info & PT_WRITABLE_MASK; - PrintDebug("\twrpf: writable_shadow %d\n",writable_shadow); + PrintDebug(info->vm_info, info, "\twrpf: writable_shadow %d\n",writable_shadow); if(user) { if(!(vmm_info & PT_USER_MASK) || !writable_shadow) { - PrintDebug("\twrpf: 1st usr chk\n"); + PrintDebug(info->vm_info, info, "\twrpf: 1st usr chk\n"); return 0; } } else { if(!writable_shadow) { guest_cr0 = (struct cr0_32 *)&(core->shdw_pg_state.guest_cr0); - PrintDebug("\twrpf: wp %d\n",guest_cr0->wp); + PrintDebug(info->vm_info, info, "\twrpf: wp %d\n",guest_cr0->wp); if (guest_cr0->wp) { return 0; @@ -103,8 +85,8 @@ static inline int fix_write_pf_32(struct guest_info * core, pte32_t * shadow_pte } if (guest_pte->present == 0) { - memset((void *)shadow_pte, 0, sizeof(struct pte32)); - PrintDebug("\twrpf: guest non present\n"); + memset((void *)shadow_pte, 0, sizeof(uint32_t)); + PrintDebug(info->vm_info, info, "\twrpf: guest non present\n"); return 0; } @@ -113,13 +95,13 @@ static inline int fix_write_pf_32(struct guest_info * core, pte32_t * shadow_pte shadow_zap_page(core,page); } - PrintDebug("\twrpf: zap\n"); + PrintDebug(info->vm_info, info, "\twrpf: zap\n"); } else if((page = shadow_page_lookup_page(core, guest_fn,0)) != NULL) { if ((page = shadow_page_lookup_page(core, guest_fn,0)) != NULL) { guest_pte->dirty = 1; *write_pt = 1; - PrintDebug("\twrpf: write need\n"); + PrintDebug(info->vm_info, info, "\twrpf: write need\n"); return 0; } } @@ -129,7 +111,7 @@ static inline int fix_write_pf_32(struct guest_info * core, pte32_t * shadow_pte rmap_add(core, (addr_t)shadow_pte); - PrintDebug("\twrpf: on writable\n"); + PrintDebug(info->vm_info, info, "\twrpf: on writable\n"); return 1; } @@ -152,11 +134,11 @@ static inline int handle_shadow_pagefault_32(struct guest_info * core, addr_t fa pde32_t * guest_pde = NULL; pde32_t * shadow_pde = (pde32_t *)&(shadow_pd[PDE32_INDEX(fault_addr)]); - PrintDebug("Shadow page fault handler: %p\n", (void*) fault_addr ); - PrintDebug("Handling PDE32 Fault\n"); + PrintDebug(info->vm_info, info, "Shadow page fault handler: %p\n", (void*) fault_addr ); + PrintDebug(info->vm_info, info, "Handling PDE32 Fault\n"); if (guest_pa_to_host_va(core, guest_cr3, (addr_t*)&guest_pd) == -1) { - PrintError("Invalid Guest PDE Address: 0x%p\n", (void *)guest_cr3); + PrintError(info->vm_info, info, "Invalid Guest PDE Address: 0x%p\n", (void *)guest_cr3); return -1; } @@ -171,10 +153,10 @@ static inline int handle_shadow_pagefault_32(struct guest_info * core, addr_t fa /* Was the page fault caused by the Guest's page tables? */ if (v3_is_guest_pf(guest_pde_access, shadow_pde_access) == 1) { - PrintDebug("Injecting PDE pf to guest: (guest access error=%d) (shdw access error=%d) (pf error code=%d)\n", + PrintDebug(info->vm_info, info, "Injecting PDE pf to guest: (guest access error=%d) (shdw access error=%d) (pf error code=%d)\n", *(uint_t *)&guest_pde_access, *(uint_t *)&shadow_pde_access, *(uint_t *)&error_code); if (v3_inject_guest_pf(core, fault_addr, error_code) == -1) { - PrintError("Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); return -1; } return 0; @@ -186,11 +168,11 @@ static inline int handle_shadow_pagefault_32(struct guest_info * core, addr_t fa // // PDE Entry marked non user // - PrintDebug("Shadow Paging User access error (shadow_pde_access=0x%x, guest_pde_access=0x%x)\n", + PrintDebug(info->vm_info, info, "Shadow Paging User access error (shadow_pde_access=0x%x, guest_pde_access=0x%x)\n", shadow_pde_access, guest_pde_access); if (v3_inject_guest_pf(core, fault_addr, error_code) == -1) { - PrintError("Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); return -1; } return 0; @@ -204,11 +186,11 @@ static inline int handle_shadow_pagefault_32(struct guest_info * core, addr_t fa (shadow_pde_access != PT_ACCESS_OK)) { // inject page fault in guest if (v3_inject_guest_pf(core, fault_addr, error_code) == -1) { - PrintError("Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); return -1; } - PrintDebug("Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pde_access); - PrintDebug("Manual Says to inject page fault into guest\n"); + PrintDebug(info->vm_info, info, "Unknown Error occurred (shadow_pde_access=%d)\n", shadow_pde_access); + PrintDebug(info->vm_info, info, "Manual Says to inject page fault into guest\n"); return 0; } @@ -263,18 +245,18 @@ static inline int handle_shadow_pagefault_32(struct guest_info * core, addr_t fa if (guest_pde->large_page == 0) { if (guest_pa_to_host_va(core, BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr), (addr_t*)&guest_pt) == -1) { // Machine check the guest - PrintDebug("Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr)); + PrintDebug(info->vm_info, info, "Invalid Guest PTE Address: 0x%p\n", (void *)BASE_TO_PAGE_ADDR(guest_pde->pt_base_addr)); v3_raise_exception(core, MC_EXCEPTION); return 0; } if (handle_pte_shadow_pagefault_32(core, fault_addr, error_code, shadow_pt, guest_pt) == -1) { - PrintError("Error handling Page fault caused by PTE\n"); + PrintError(info->vm_info, info, "Error handling Page fault caused by PTE\n"); return -1; } } else { if (handle_4MB_shadow_pagefault_32(core, fault_addr, error_code, shadow_pt, (pde32_4MB_t *)guest_pde) == -1) { - PrintError("Error handling large pagefault\n"); + PrintError(info->vm_info, info, "Error handling large pagefault\n"); return -1; } } @@ -292,11 +274,11 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault pte32_t * shadow_pte = (pte32_t *)&(shadow_pt[PTE32_INDEX(fault_addr)]); addr_t guest_pa = BASE_TO_PAGE_ADDR((addr_t)(guest_pte->page_base_addr)) + PAGE_OFFSET(fault_addr); - struct v3_mem_region * shdw_reg = v3_get_mem_region(core->vm_info, core->cpu_id, guest_pa); + struct v3_mem_region * shdw_reg = v3_get_mem_region(core->vm_info, core->vcpu_id, guest_pa); if (shdw_reg == NULL) { // Inject a machine check in the guest - PrintDebug("Invalid Guest Address in page table (0x%p)\n", (void *)guest_pa); + PrintDebug(info->vm_info, info, "Invalid Guest Address in page table (0x%p)\n", (void *)guest_pa); v3_raise_exception(core, MC_EXCEPTION); return 0; } @@ -311,13 +293,13 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault /* Was the page fault caused by the Guest's page tables? */ if (v3_is_guest_pf(guest_pte_access, shadow_pte_access) == 1) { - PrintDebug("Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n", + PrintDebug(info->vm_info, info, "Access error injecting pf to guest (guest access error=%d) (pf error code=%d)\n", guest_pte_access, *(uint_t*)&error_code); // inject: if (v3_inject_guest_pf(core, fault_addr, error_code) == -1) { - PrintError("Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); return -1; } @@ -329,22 +311,22 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault if (shadow_pte_access == PT_ACCESS_OK) { // Inconsistent state... // Guest Re-Entry will flush page tables and everything should now work - PrintDebug("Inconsistent state... Guest re-entry should flush tlb\n"); + PrintDebug(info->vm_info, info, "Inconsistent state... Guest re-entry should flush tlb\n"); return 0; } if (shadow_pte_access == PT_ACCESS_NOT_PRESENT) { // Page Table Entry Not Present - PrintDebug("guest_pa =%p\n", (void *)guest_pa); + PrintDebug(info->vm_info, info, "guest_pa =%p\n", (void *)guest_pa); if ((shdw_reg->host_type == SHDW_REGION_ALLOCATED) || (shdw_reg->host_type == SHDW_REGION_WRITE_HOOK)) { - addr_t shadow_pa = v3_get_shadow_addr(shdw_reg, core->cpu_id, guest_pa); + addr_t shadow_pa = v3_get_shadow_addr(shdw_reg, core->vcpu_id, guest_pa); shadow_pte->page_base_addr = PAGE_BASE_ADDR(shadow_pa); - PrintDebug("\tMapping shadow page (%p)\n", (void *)BASE_TO_PAGE_ADDR(shadow_pte->page_base_addr)); + PrintDebug(info->vm_info, info, "\tMapping shadow page (%p)\n", (void *)BASE_TO_PAGE_ADDR(shadow_pte->page_base_addr)); shadow_pte->present = guest_pte->present; shadow_pte->user_page = guest_pte->user_page; @@ -377,7 +359,7 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault // Page fault handled by hook functions if (v3_handle_mem_full_hook(core, fault_addr, guest_pa, shdw_reg, error_code) == -1) { - PrintError("Special Page fault handler returned error for address: %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Special Page fault handler returned error for address: %p\n", (void *)fault_addr); return -1; } } @@ -386,11 +368,11 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault if (shdw_reg->host_type == SHDW_REGION_WRITE_HOOK) { if (v3_handle_mem_wr_hook(core, fault_addr, guest_pa, shdw_reg, error_code) == -1) { - PrintError("Special Page fault handler returned error for address: %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Special Page fault handler returned error for address: %p\n", (void *)fault_addr); return -1; } } else { - PrintDebug("Shadow PTE Write Error\n"); + PrintDebug(info->vm_info, info, "Shadow PTE Write Error\n"); shadow_pte->writable = guest_pte->writable; } @@ -400,12 +382,12 @@ static int handle_pte_shadow_pagefault_32(struct guest_info * core, addr_t fault } else { // Inject page fault into the guest if (v3_inject_guest_pf(core, fault_addr, error_code) == -1) { - PrintError("Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Could not inject guest page fault for vaddr %p\n", (void *)fault_addr); return -1; } - PrintError("PTE Page fault fell through... Not sure if this should ever happen\n"); - PrintError("Manual Says to inject page fault into guest\n"); + PrintError(info->vm_info, info, "PTE Page fault fell through... Not sure if this should ever happen\n"); + PrintError(info->vm_info, info, "Manual Says to inject page fault into guest\n"); return -1; } @@ -423,15 +405,15 @@ static int handle_4MB_shadow_pagefault_32(struct guest_info * core, addr_t guest_fault_pa = BASE_TO_PAGE_ADDR_4MB(large_guest_pde->page_base_addr) + PAGE_OFFSET_4MB(fault_addr); - PrintDebug("Handling 4MB fault (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code); - PrintDebug("ShadowPT=%p, LargeGuestPDE=%p\n", shadow_pt, large_guest_pde); + PrintDebug(info->vm_info, info, "Handling 4MB fault (guest_fault_pa=%p) (error_code=%x)\n", (void *)guest_fault_pa, *(uint_t*)&error_code); + PrintDebug(info->vm_info, info, "ShadowPT=%p, LargeGuestPDE=%p\n", shadow_pt, large_guest_pde); - struct v3_mem_region * shdw_reg = v3_get_mem_region(core->vm_info, core->cpu_id, guest_fault_pa); + struct v3_mem_region * shdw_reg = v3_get_mem_region(core->vm_info, core->vcpu_id, guest_fault_pa); if (shdw_reg == NULL) { // Inject a machine check in the guest - PrintDebug("Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa); + PrintDebug(info->vm_info, info, "Invalid Guest Address in page table (0x%p)\n", (void *)guest_fault_pa); v3_raise_exception(core, MC_EXCEPTION); return -1; } @@ -439,7 +421,7 @@ static int handle_4MB_shadow_pagefault_32(struct guest_info * core, if (shadow_pte_access == PT_ACCESS_OK) { // Inconsistent state... // Guest Re-Entry will flush tables and everything should now workd - PrintDebug("Inconsistent state... Guest re-entry should flush tlb\n"); + PrintDebug(info->vm_info, info, "Inconsistent state... Guest re-entry should flush tlb\n"); return 0; } @@ -449,11 +431,11 @@ static int handle_4MB_shadow_pagefault_32(struct guest_info * core, if ((shdw_reg->host_type == SHDW_REGION_ALLOCATED) || (shdw_reg->host_type == SHDW_REGION_WRITE_HOOK)) { - addr_t shadow_pa = v3_get_shadow_addr(shdw_reg, core->cpu_id, guest_fault_pa); + addr_t shadow_pa = v3_get_shadow_addr(shdw_reg, core->vcpu_id, guest_fault_pa); shadow_pte->page_base_addr = PAGE_BASE_ADDR(shadow_pa); - PrintDebug("\tMapping shadow page (%p)\n", (void *)BASE_TO_PAGE_ADDR(shadow_pte->page_base_addr)); + PrintDebug(info->vm_info, info, "\tMapping shadow page (%p)\n", (void *)BASE_TO_PAGE_ADDR(shadow_pte->page_base_addr)); shadow_pte->present = 1; @@ -478,7 +460,7 @@ static int handle_4MB_shadow_pagefault_32(struct guest_info * core, } else { if (v3_handle_mem_full_hook(core, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) { - PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr); return -1; } } @@ -487,18 +469,18 @@ static int handle_4MB_shadow_pagefault_32(struct guest_info * core, if (shdw_reg->host_type == SHDW_REGION_WRITE_HOOK) { if (v3_handle_mem_wr_hook(core, fault_addr, guest_fault_pa, shdw_reg, error_code) == -1) { - PrintError("Special Page Fault handler returned error for address: %p\n", (void *)fault_addr); + PrintError(info->vm_info, info, "Special Page Fault handler returned error for address: %p\n", (void *)fault_addr); return -1; } } } else { - PrintError("Error in large page fault handler...\n"); - PrintError("This case should have been handled at the top level handler\n"); + PrintError(info->vm_info, info, "Error in large page fault handler...\n"); + PrintError(info->vm_info, info, "This case should have been handled at the top level handler\n"); return -1; } - PrintDebug("Returning from large page fault handler\n"); + PrintDebug(info->vm_info, info, "Returning from large page fault handler\n"); return 0; } @@ -523,7 +505,7 @@ static inline int handle_shadow_invlpg_32(struct guest_info * core, addr_t vaddr pde32_t * guest_pde; if (guest_pa_to_host_va(core, guest_cr3, (addr_t*)&guest_pd) == -1) { - PrintError("Invalid Guest PDE Address: 0x%p\n", (void *)guest_cr3); + PrintError(info->vm_info, info, "Invalid Guest PDE Address: 0x%p\n", (void *)guest_cr3); return -1; } @@ -531,12 +513,12 @@ static inline int handle_shadow_invlpg_32(struct guest_info * core, addr_t vaddr if (guest_pde->large_page == 1) { shadow_pde->present = 0; - PrintDebug("Invalidating Large Page\n"); + PrintDebug(info->vm_info, info, "Invalidating Large Page\n"); } else if (shadow_pde->present == 1) { pte32_t * shadow_pt = (pte32_t *)(addr_t)BASE_TO_PAGE_ADDR_4KB(shadow_pde->pt_base_addr); pte32_t * shadow_pte = (pte32_t *) V3_VAddr( (void*) &shadow_pt[PTE32_INDEX(vaddr)] ); - PrintDebug("Setting not present\n"); + PrintDebug(info->vm_info, info, "Setting not present\n"); shadow_pte->present = 0; }