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kaf24@firebug.cl.cam.ac.uk
2d0922d515
Make header path for kernel's privcmd/evtchn headers generic. Remove pointless xi_*() interface that was using private libxc interfaces. Signed-off-by: John Levon <john.levon@sun.com>
196 lines
5.7 KiB
C
196 lines
5.7 KiB
C
#ifndef XG_PRIVATE_H
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#define XG_PRIVATE_H
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#include <unistd.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/mman.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "xenctrl.h"
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#include "xenguest.h"
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#include <xen/sys/privcmd.h>
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#include <xen/memory.h>
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/* valgrind cannot see when a hypercall has filled in some values. For this
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reason, we must zero the dom0_op_t instance before a call, if using
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valgrind. */
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#ifdef VALGRIND
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#define DECLARE_DOM0_OP dom0_op_t op = { 0 }
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#else
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#define DECLARE_DOM0_OP dom0_op_t op
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#endif
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char *xc_read_image(const char *filename, unsigned long *size);
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char *xc_inflate_buffer(const char *in_buf,
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unsigned long in_size,
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unsigned long *out_size);
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unsigned long csum_page (void * page);
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#define _PAGE_PRESENT 0x001
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#define _PAGE_RW 0x002
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#define _PAGE_USER 0x004
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#define _PAGE_PWT 0x008
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#define _PAGE_PCD 0x010
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#define _PAGE_ACCESSED 0x020
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#define _PAGE_DIRTY 0x040
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#define _PAGE_PAT 0x080
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#define _PAGE_PSE 0x080
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#define _PAGE_GLOBAL 0x100
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#define L1_PAGETABLE_SHIFT_PAE 12
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#define L2_PAGETABLE_SHIFT_PAE 21
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#define L3_PAGETABLE_SHIFT_PAE 30
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#if defined(__i386__)
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#define L1_PAGETABLE_SHIFT 12
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#define L2_PAGETABLE_SHIFT 22
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#elif defined(__x86_64__)
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#define L1_PAGETABLE_SHIFT 12
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#define L2_PAGETABLE_SHIFT 21
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#define L3_PAGETABLE_SHIFT 30
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#define L4_PAGETABLE_SHIFT 39
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#endif
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#define L1_PAGETABLE_ENTRIES_PAE 512
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#define L2_PAGETABLE_ENTRIES_PAE 512
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#define L3_PAGETABLE_ENTRIES_PAE 4
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#if defined(__i386__)
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#define L1_PAGETABLE_ENTRIES 1024
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#define L2_PAGETABLE_ENTRIES 1024
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#elif defined(__x86_64__)
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#define L1_PAGETABLE_ENTRIES 512
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#define L2_PAGETABLE_ENTRIES 512
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#define L3_PAGETABLE_ENTRIES 512
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#define L4_PAGETABLE_ENTRIES 512
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#endif
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#define PAGE_SHIFT XC_PAGE_SHIFT
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#define PAGE_SIZE (1UL << PAGE_SHIFT)
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#define PAGE_MASK (~(PAGE_SIZE-1))
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typedef uint32_t l1_pgentry_32_t;
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typedef uint32_t l2_pgentry_32_t;
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typedef uint64_t l1_pgentry_64_t;
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typedef uint64_t l2_pgentry_64_t;
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typedef uint64_t l3_pgentry_64_t;
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typedef unsigned long l1_pgentry_t;
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typedef unsigned long l2_pgentry_t;
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#if defined(__x86_64__)
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typedef unsigned long l3_pgentry_t;
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typedef unsigned long l4_pgentry_t;
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#endif
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#define l1_table_offset_pae(_a) \
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(((_a) >> L1_PAGETABLE_SHIFT_PAE) & (L1_PAGETABLE_ENTRIES_PAE - 1))
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#define l2_table_offset_pae(_a) \
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(((_a) >> L2_PAGETABLE_SHIFT_PAE) & (L2_PAGETABLE_ENTRIES_PAE - 1))
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#define l3_table_offset_pae(_a) \
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(((_a) >> L3_PAGETABLE_SHIFT_PAE) & (L3_PAGETABLE_ENTRIES_PAE - 1))
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#if defined(__i386__)
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#define l1_table_offset(_a) \
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(((_a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1))
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#define l2_table_offset(_a) \
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((_a) >> L2_PAGETABLE_SHIFT)
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#elif defined(__x86_64__)
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#define l1_table_offset(_a) \
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(((_a) >> L1_PAGETABLE_SHIFT) & (L1_PAGETABLE_ENTRIES - 1))
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#define l2_table_offset(_a) \
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(((_a) >> L2_PAGETABLE_SHIFT) & (L2_PAGETABLE_ENTRIES - 1))
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#define l3_table_offset(_a) \
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(((_a) >> L3_PAGETABLE_SHIFT) & (L3_PAGETABLE_ENTRIES - 1))
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#define l4_table_offset(_a) \
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(((_a) >> L4_PAGETABLE_SHIFT) & (L4_PAGETABLE_ENTRIES - 1))
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#endif
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#define ERROR(_m, _a...) \
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do { \
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int __saved_errno = errno; \
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fprintf(stderr, "ERROR: " _m "\n" , ## _a ); \
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errno = __saved_errno; \
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} while (0)
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#define PERROR(_m, _a...) \
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do { \
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int __saved_errno = errno; \
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fprintf(stderr, "ERROR: " _m " (%d = %s)\n" , ## _a , \
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__saved_errno, strerror(__saved_errno)); \
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errno = __saved_errno; \
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} while (0)
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struct domain_setup_info
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{
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unsigned long v_start;
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unsigned long v_end;
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unsigned long v_kernstart;
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unsigned long v_kernend;
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unsigned long v_kernentry;
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unsigned int load_symtab;
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unsigned int pae_kernel;
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unsigned long symtab_addr;
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unsigned long symtab_len;
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/* __xen_guest info string for convenient loader parsing. */
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char *xen_guest_string;
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};
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typedef int (*parseimagefunc)(const char *image, unsigned long image_size,
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struct domain_setup_info *dsi);
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typedef int (*loadimagefunc)(const char *image, unsigned long image_size,
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int xch,
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uint32_t dom, unsigned long *parray,
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struct domain_setup_info *dsi);
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struct load_funcs
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{
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parseimagefunc parseimage;
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loadimagefunc loadimage;
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};
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#define mfn_mapper_queue_size 128
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typedef struct mfn_mapper {
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int xc_handle;
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int size;
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int prot;
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int error;
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int max_queue_size;
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void * addr;
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privcmd_mmap_t ioctl;
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} mfn_mapper_t;
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int xc_copy_to_domain_page(int xc_handle, uint32_t domid,
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unsigned long dst_pfn, const char *src_page);
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unsigned long xc_get_filesz(int fd);
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void xc_map_memcpy(unsigned long dst, const char *src, unsigned long size,
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int xch, uint32_t dom, unsigned long *parray,
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unsigned long vstart);
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int pin_table(int xc_handle, unsigned int type, unsigned long mfn,
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domid_t dom);
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/* image loading */
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int probe_elf(const char *image, unsigned long image_size,
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struct load_funcs *funcs);
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int probe_bin(const char *image, unsigned long image_size,
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struct load_funcs *funcs);
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int probe_aout9(const char *image, unsigned long image_size,
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struct load_funcs *funcs);
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#endif
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