mirror of
https://github.com/xen-project/xen.git
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Juergen Gross
e3dd624e48
tools/libxc now contains libxenguest only. Move it to tools/libs/guest. When generating the pkg-config file for libxenguest a filter is now required for replacing "xenctrl" by "xencontrol" in the "Requires.private:" entry. Add this filter to tools/libs/libs.mk. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org> (stubdom parts)
125 lines
3.6 KiB
C
125 lines
3.6 KiB
C
/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; If not, see <http://www.gnu.org/licenses/>.
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*/
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#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 <stdlib.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 "xc_private.h"
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#include "xenguest.h"
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#include <xen/memory.h>
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#include <xen/elfnote.h>
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#ifndef ELFSIZE
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#include <limits.h>
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#if UINT_MAX == ULONG_MAX
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#define ELFSIZE 32
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#else
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#define ELFSIZE 64
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#endif
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#endif
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char *xc_read_image(xc_interface *xch,
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const char *filename, unsigned long *size);
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char *xc_inflate_buffer(xc_interface *xch,
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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 VIRT_BITS_I386 32
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#define VIRT_BITS_X86_64 48
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#define PGTBL_LEVELS_I386 3
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#define PGTBL_LEVELS_X86_64 4
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#define PGTBL_LEVEL_SHIFT_X86 9
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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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#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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#define L1_PAGETABLE_SHIFT_X86_64 12
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#define L2_PAGETABLE_SHIFT_X86_64 21
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#define L3_PAGETABLE_SHIFT_X86_64 30
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#define L4_PAGETABLE_SHIFT_X86_64 39
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#define L1_PAGETABLE_ENTRIES_X86_64 512
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#define L2_PAGETABLE_ENTRIES_X86_64 512
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#define L3_PAGETABLE_ENTRIES_X86_64 512
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#define L4_PAGETABLE_ENTRIES_X86_64 512
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typedef uint64_t x86_pgentry_t;
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#define PAGE_SHIFT_ARM 12
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#define PAGE_SIZE_ARM (1UL << PAGE_SHIFT_ARM)
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#define PAGE_MASK_ARM (~(PAGE_SIZE_ARM-1))
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#define PAGE_SHIFT_X86 12
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#define PAGE_SIZE_X86 (1UL << PAGE_SHIFT_X86)
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#define PAGE_MASK_X86 (~(PAGE_SIZE_X86-1))
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#define NRPAGES(x) (ROUNDUP(x, PAGE_SHIFT) >> PAGE_SHIFT)
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static inline xen_pfn_t xc_pfn_to_mfn(xen_pfn_t pfn, xen_pfn_t *p2m,
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unsigned gwidth)
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{
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if ( gwidth == sizeof(uint64_t) )
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/* 64 bit guest. Need to truncate their pfns for 32 bit toolstacks. */
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return ((uint64_t *)p2m)[pfn];
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else
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{
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/* 32 bit guest. Need to expand INVALID_MFN for 64 bit toolstacks. */
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uint32_t mfn = ((uint32_t *)p2m)[pfn];
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return mfn == ~0U ? INVALID_MFN : mfn;
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}
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}
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/* Masks for PTE<->PFN conversions */
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#define MADDR_BITS_X86 ((dinfo->guest_width == 8) ? 52 : 44)
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#define MFN_MASK_X86 ((1ULL << (MADDR_BITS_X86 - PAGE_SHIFT_X86)) - 1)
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#define MADDR_MASK_X86 (MFN_MASK_X86 << PAGE_SHIFT_X86)
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int pin_table(xc_interface *xch, unsigned int type, unsigned long mfn,
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uint32_t dom);
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#endif /* XG_PRIVATE_H */
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