From acc63faffa3cdefd9bd5f6e099971b4fcdae436b Mon Sep 17 00:00:00 2001 From: "cl349@firebug.cl.cam.ac.uk" Date: Thu, 25 Aug 2005 00:51:20 +0000 Subject: Break the building/save/restore code out into a separate library libxenguest. Also update the tools accordingly. Signed-off-by: Anthony Liguori Signed-off-by: Christian Limpach --- tools/libxc/xg_private.h | 170 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 tools/libxc/xg_private.h (limited to 'tools/libxc/xg_private.h') diff --git a/tools/libxc/xg_private.h b/tools/libxc/xg_private.h new file mode 100644 index 0000000000..f48ae0fba7 --- /dev/null +++ b/tools/libxc/xg_private.h @@ -0,0 +1,170 @@ +#ifndef XG_PRIVATE_H +#define XG_PRIVATE_H + +#include +#include +#include +#include +#include +#include +#include + +#include "xenctrl.h" + +#include + +char *xc_read_kernel_image(const char *filename, unsigned long *size); +unsigned long csum_page (void * page); + +#define _PAGE_PRESENT 0x001 +#define _PAGE_RW 0x002 +#define _PAGE_USER 0x004 +#define _PAGE_PWT 0x008 +#define _PAGE_PCD 0x010 +#define _PAGE_ACCESSED 0x020 +#define _PAGE_DIRTY 0x040 +#define _PAGE_PAT 0x080 +#define _PAGE_PSE 0x080 +#define _PAGE_GLOBAL 0x100 + +#if defined(__i386__) +#define L1_PAGETABLE_SHIFT 12 +#define L2_PAGETABLE_SHIFT 22 +#define L1_PAGETABLE_SHIFT_PAE 12 +#define L2_PAGETABLE_SHIFT_PAE 21 +#define L3_PAGETABLE_SHIFT_PAE 30 +#elif defined(__x86_64__) +#define L1_PAGETABLE_SHIFT 12 +#define L2_PAGETABLE_SHIFT 21 +#define L3_PAGETABLE_SHIFT 30 +#define L4_PAGETABLE_SHIFT 39 +#endif + +#if defined(__i386__) +#define ENTRIES_PER_L1_PAGETABLE 1024 +#define ENTRIES_PER_L2_PAGETABLE 1024 +#define L1_PAGETABLE_ENTRIES_PAE 512 +#define L2_PAGETABLE_ENTRIES_PAE 512 +#define L3_PAGETABLE_ENTRIES_PAE 4 +#elif defined(__x86_64__) +#define L1_PAGETABLE_ENTRIES 512 +#define L2_PAGETABLE_ENTRIES 512 +#define L3_PAGETABLE_ENTRIES 512 +#define L4_PAGETABLE_ENTRIES 512 +#endif + +#define PAGE_SHIFT XC_PAGE_SHIFT +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#define PAGE_MASK (~(PAGE_SIZE-1)) + +typedef u32 l1_pgentry_32_t; +typedef u32 l2_pgentry_32_t; +typedef u64 l1_pgentry_64_t; +typedef u64 l2_pgentry_64_t; +typedef u64 l3_pgentry_64_t; +typedef unsigned long l1_pgentry_t; +typedef unsigned long l2_pgentry_t; +#if defined(__x86_64__) +typedef unsigned long l3_pgentry_t; +typedef unsigned long l4_pgentry_t; +#endif + +#if defined(__i386__) +#define l1_table_offset(_a) \ + (((_a) >> L1_PAGETABLE_SHIFT) & (ENTRIES_PER_L1_PAGETABLE - 1)) +#define l2_table_offset(_a) \ + ((_a) >> L2_PAGETABLE_SHIFT) +#define l1_table_offset_pae(_a) \ + (((_a) >> L1_PAGETABLE_SHIFT_PAE) & (L1_PAGETABLE_ENTRIES_PAE - 1)) +#define l2_table_offset_pae(_a) \ + (((_a) >> L2_PAGETABLE_SHIFT_PAE) & (L2_PAGETABLE_ENTRIES_PAE - 1)) +#define l3_table_offset_pae(_a) \ + (((_a) >> L3_PAGETABLE_SHIFT_PAE) & (L3_PAGETABLE_ENTRIES_PAE - 1)) +#elif defined(__x86_64__) +#define l1_table_offset(_a) \ + (((_a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1)) +#define l2_table_offset(_a) \ + (((_a) >> L2_PAGETABLE_SHIFT) & (L2_PAGETABLE_ENTRIES - 1)) +#define l3_table_offset(_a) \ + (((_a) >> L3_PAGETABLE_SHIFT) & (L3_PAGETABLE_ENTRIES - 1)) +#define l4_table_offset(_a) \ + (((_a) >> L4_PAGETABLE_SHIFT) & (L4_PAGETABLE_ENTRIES - 1)) +#endif + +#define ERROR(_m, _a...) \ +do { \ + int __saved_errno = errno; \ + fprintf(stderr, "ERROR: " _m "\n" , ## _a ); \ + errno = __saved_errno; \ +} while (0) + + +#define PERROR(_m, _a...) \ +do { \ + int __saved_errno = errno; \ + fprintf(stderr, "ERROR: " _m " (%d = %s)\n" , ## _a , \ + __saved_errno, strerror(__saved_errno)); \ + errno = __saved_errno; \ +} while (0) + + +struct domain_setup_info +{ + unsigned long v_start; + unsigned long v_end; + unsigned long v_kernstart; + unsigned long v_kernend; + unsigned long v_kernentry; + + unsigned int load_symtab; + unsigned int pae_kernel; + unsigned long symtab_addr; + unsigned long symtab_len; +}; + +typedef int (*parseimagefunc)(char *image, unsigned long image_size, + struct domain_setup_info *dsi); +typedef int (*loadimagefunc)(char *image, unsigned long image_size, int xch, + u32 dom, unsigned long *parray, + struct domain_setup_info *dsi); + +struct load_funcs +{ + parseimagefunc parseimage; + loadimagefunc loadimage; +}; + +#define mfn_mapper_queue_size 128 + +typedef struct mfn_mapper { + int xc_handle; + int size; + int prot; + int error; + int max_queue_size; + void * addr; + privcmd_mmap_t ioctl; + +} mfn_mapper_t; + +unsigned long xc_get_m2p_start_mfn (int xc_handle); + +int xc_copy_to_domain_page(int xc_handle, u32 domid, + unsigned long dst_pfn, void *src_page); + +unsigned long xc_get_filesz(int fd); + +void xc_map_memcpy(unsigned long dst, char *src, unsigned long size, + int xch, u32 dom, unsigned long *parray, + unsigned long vstart); + +int pin_table(int xc_handle, unsigned int type, unsigned long mfn, + domid_t dom); + +/* image loading */ +int probe_elf(char *image, unsigned long image_size, struct load_funcs *funcs); +int probe_bin(char *image, unsigned long image_size, struct load_funcs *funcs); +int probe_aout9(char *image, unsigned long image_size, struct load_funcs *funcs); + +#endif + -- cgit v1.2.3