X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?a=blobdiff_plain;f=palacios%2Finclude%2Fpalacios%2Fvmm_paging.h;h=bce23af678fe53381e480e22cffa2b18623d117f;hb=7f5fe648423f83c0883d6daa3f15751f9e74daf0;hp=61beb8d84ae723004023d59db54635691bed80ca;hpb=6200fec9adb1dc08be55a9e69457ec21d02ea59c;p=palacios.git diff --git a/palacios/include/palacios/vmm_paging.h b/palacios/include/palacios/vmm_paging.h index 61beb8d..bce23af 100644 --- a/palacios/include/palacios/vmm_paging.h +++ b/palacios/include/palacios/vmm_paging.h @@ -93,17 +93,24 @@ the host state in the vmcs before entering the guest. -#define MAX_PTE32_ENTRIES 1024 #define MAX_PDE32_ENTRIES 1024 +#define MAX_PTE32_ENTRIES 1024 -#define MAX_PTE32PAE_ENTRIES 512 -#define MAX_PDE32PAE_ENTRIES 512 #define MAX_PDPE32PAE_ENTRIES 4 +#define MAX_PDE32PAE_ENTRIES 512 +#define MAX_PTE32PAE_ENTRIES 512 -#define MAX_PTE64_ENTRIES 512 -#define MAX_PDE64_ENTRIES 512 -#define MAX_PDPE64_ENTRIES 512 #define MAX_PML4E64_ENTRIES 512 +#define MAX_PDPE64_ENTRIES 512 +#define MAX_PDE64_ENTRIES 512 +#define MAX_PTE64_ENTRIES 512 + + +typedef enum {PAGE_4KB, PAGE_2MB, PAGE_4MB, PAGE_1GB, + PAGE_NOT_PRESENT, + PAGE_PT32, PAGE_PD32, + PAGE_PDP32PAE, PAGE_PD32PAE, PAGE_PT32PAE, + PAGE_PML464, PAGE_PDP64, PAGE_PD64, PAGE_PT64} page_type_t; /* Converts an address into a page table index */ @@ -140,12 +147,16 @@ the host state in the vmcs before entering the guest. */ /* Replace The above with these... */ #define PAGE_BASE_ADDR(x) ((x) >> 12) +#define PAGE_BASE_ADDR_4KB(x) ((x) >> 12) #define PAGE_BASE_ADDR_2MB(x) ((x) >> 21) #define PAGE_BASE_ADDR_4MB(x) ((x) >> 22) +#define PAGE_BASE_ADDR_1GB(x) ((x) >> 30) #define BASE_TO_PAGE_ADDR(x) (((addr_t)x) << 12) +#define BASE_TO_PAGE_ADDR_4KB(x) (((addr_t)x) << 12) #define BASE_TO_PAGE_ADDR_2MB(x) (((addr_t)x) << 21) #define BASE_TO_PAGE_ADDR_4MB(x) (((addr_t)x) << 22) +#define BASE_TO_PAGE_ADDR_1GB(x) (((addr_t)x) << 30) /* *** */ /* Deprecated */ @@ -164,22 +175,29 @@ the host state in the vmcs before entering the guest. */ /* use these instead */ #define PAGE_OFFSET(x) ((x) & 0xfff) +#define PAGE_OFFSET_4KB(x) ((x) & 0xfff) #define PAGE_OFFSET_2MB(x) ((x) & 0x1fffff) #define PAGE_OFFSET_4MB(x) ((x) & 0x3fffff) +#define PAGE_OFFSET_1GB(x) ((x) & 0x3fffffff) #define PAGE_POWER 12 -#define PAGE_POWER_2MB 22 -#define PAGE_POWER_4MB 21 +#define PAGE_POWER_4KB 12 +#define PAGE_POWER_2MB 21 +#define PAGE_POWER_4MB 22 +#define PAGE_POWER_1GB 30 // We shift instead of mask because we don't know the address size #define PAGE_ADDR(x) (((x) >> PAGE_POWER) << PAGE_POWER) +#define PAGE_ADDR_4KB(x) (((x) >> PAGE_POWER_4KB) << PAGE_POWER_4KB) #define PAGE_ADDR_2MB(x) (((x) >> PAGE_POWER_2MB) << PAGE_POWER_2MB) #define PAGE_ADDR_4MB(x) (((x) >> PAGE_POWER_4MB) << PAGE_POWER_4MB) +#define PAGE_ADDR_1GB(x) (((x) >> PAGE_POWER_1GB) << PAGE_POWER_1GB) #define PAGE_SIZE 4096 +#define PAGE_SIZE_4KB 4096 #define PAGE_SIZE_2MB (4096 * 512) #define PAGE_SIZE_4MB (4096 * 1024) - +#define PAGE_SIZE_1GB 0x40000000 /* *** */ @@ -224,6 +242,13 @@ the host state in the vmcs before entering the guest. typedef enum {PT_ENTRY_NOT_PRESENT, PT_ENTRY_LARGE_PAGE, PT_ENTRY_PAGE} pt_entry_type_t; typedef enum {PT_ACCESS_OK, PT_ACCESS_NOT_PRESENT, PT_ACCESS_WRITE_ERROR, PT_ACCESS_USER_ERROR} pt_access_status_t; + +typedef struct gen_pt { + uint_t present : 1; + uint_t writable : 1; + uint_t user_page : 1; +} __attribute__((packed)) gen_pt_t; + typedef struct pde32 { uint_t present : 1; uint_t writable : 1; @@ -461,52 +486,119 @@ typedef struct pf_error_code { -void delete_page_tables_32(pde32_t * pde); -void delete_page_tables_32PAE(pdpe32pae_t * pdpe); -void delete_page_tables_64(pml4e64_t * pml4); - - -int v3_translate_guest_pt_32(struct guest_info * info, addr_t guest_cr3, addr_t vaddr, addr_t * paddr); -int v3_translate_guest_pt_32pae(struct guest_info * info, addr_t guest_cr3, addr_t vaddr, addr_t * paddr); -int v3_translate_guest_pt_64(struct guest_info * info, addr_t guest_cr3, addr_t vaddr, addr_t * paddr); - -int v3_translate_host_pt_32(addr_t host_cr3, addr_t vaddr, addr_t * paddr); -int v3_translate_host_pt_32pae(addr_t host_cr3, addr_t vaddr, addr_t * paddr); -int v3_translate_host_pt_64(addr_t host_cr3, addr_t vaddr, addr_t * paddr); - - -/* Should these be static? -pt_entry_type_t pde32_lookup(pde32_t * pd, addr_t addr, addr_t * entry); -pt_entry_type_t pte32_lookup(pte32_t * pt, addr_t addr, addr_t * entry); - -pt_entry_type_t pdpe32pae_lookup(pdpe32pae_t * pdp, addr_t addr, addr_t * entry); -pt_entry_type_t pde32pae_lookup(pde32pae_t * pd, addr_t addr, addr_t * entry); -pt_entry_type_t pte32pae_lookup(pte32pae_t * pt, addr_t addr, addr_t * entry); - -pt_entry_type_t pml4e64_lookup(pml4e64_t * pml, addr_t addr, addr_t * entry); -pt_entry_type_t pdpe64_lookup(pdpe64_t * pdp, addr_t addr, addr_t * entry); -pt_entry_type_t pde64_lookup(pde64_t * pd, addr_t addr, addr_t * entry); -pt_entry_type_t pte64_lookup(pte64_t * pt, addr_t addr, addr_t * entry); - - - - - - -pt_access_status_t can_access_pde32(pde32_t * pde, addr_t addr, pf_error_t access_type); -pt_access_status_t can_access_pte32(pte32_t * pte, addr_t addr, pf_error_t access_type); - - - - struct guest_info; +int v3_translate_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr); +int v3_translate_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr); +int v3_translate_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, addr_t * paddr); + +int v3_translate_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr); +int v3_translate_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr); +int v3_translate_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, addr_t * paddr); + + +int v3_find_host_pt_32_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr); +int v3_find_host_pt_32pae_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr); +int v3_find_host_pt_64_page(v3_reg_t host_cr3, page_type_t type, addr_t vaddr, addr_t * page_addr); +int v3_find_guest_pt_32_page(struct guest_info * info, v3_reg_t guest_cr3, + page_type_t type, addr_t vaddr, + addr_t * page_addr); +int v3_find_guest_pt_32pae_page(struct guest_info * info, v3_reg_t guest_cr3, + page_type_t type, addr_t vaddr, + addr_t * page_addr); +int v3_find_guest_pt_64_page(struct guest_info * info, v3_reg_t guest_cr3, + page_type_t type, addr_t vaddr, + addr_t * page_addr); + +pt_access_status_t inline v3_can_access_pde32(pde32_t * pde, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pte32(pte32_t * pte, addr_t addr, pf_error_t access_type); + +pt_access_status_t inline v3_can_access_pdpe32pae(pdpe32pae_t * pdpe, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pde32pae(pde32pae_t * pde, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pte32pae(pte32pae_t * pte, addr_t addr, pf_error_t access_type); + +pt_access_status_t inline v3_can_access_pml4e64(pml4e64_t * pmle, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pdpe64(pdpe64_t * pdpe, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pde64(pde64_t * pde, addr_t addr, pf_error_t access_type); +pt_access_status_t inline v3_can_access_pte64(pte64_t * pte, addr_t addr, pf_error_t access_type); + + +int v3_check_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); +int v3_check_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); +int v3_check_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); +int v3_check_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); +int v3_check_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); +int v3_check_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + pf_error_t access_type, pt_access_status_t * access_status); + + + + +int v3_drill_host_pt_32(v3_reg_t host_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); +int v3_drill_host_pt_32pae(v3_reg_t host_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); +int v3_drill_host_pt_64(v3_reg_t host_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); + +int v3_drill_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); +int v3_drill_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); +int v3_drill_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, addr_t vaddr, + int (*callback)(page_type_t type, addr_t vaddr, addr_t page_ptr, addr_t page_pa, void * private_data), + void * private_data); + + + +int v3_walk_host_pt_32(v3_reg_t host_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + +int v3_walk_host_pt_32pae(v3_reg_t host_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + +int v3_walk_host_pt_64(v3_reg_t host_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + +int v3_walk_guest_pt_32(struct guest_info * info, v3_reg_t guest_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + +int v3_walk_guest_pt_32pae(struct guest_info * info, v3_reg_t guest_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + +int v3_walk_guest_pt_64(struct guest_info * info, v3_reg_t guest_cr3, + void (*callback)(page_type_t type, addr_t vaddr, addr_t page_va, addr_t page_pa, void * private_data), + void * private_data); + + pde32_t * create_passthrough_pts_32(struct guest_info * guest_info); pdpe32pae_t * create_passthrough_pts_32PAE(struct guest_info * guest_info); pml4e64_t * create_passthrough_pts_64(struct guest_info * info); +void delete_page_tables_32(pde32_t * pde); +void delete_page_tables_32PAE(pdpe32pae_t * pdpe); +void delete_page_tables_64(pml4e64_t * pml4); + + + +const uchar_t * v3_page_type_to_str(page_type_t type); //#include