/usr/include/xen/hvm/e820.h is in libxen-dev 4.4.1-9+deb8u10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __XEN_PUBLIC_HVM_E820_H__
#define __XEN_PUBLIC_HVM_E820_H__
/* E820 location in HVM virtual address space. */
#define HVM_E820_PAGE 0x00090000
#define HVM_E820_NR_OFFSET 0x000001E8
#define HVM_E820_OFFSET 0x000002D0
#define HVM_BELOW_4G_RAM_END 0xF0000000
#define HVM_BELOW_4G_MMIO_START HVM_BELOW_4G_RAM_END
#define HVM_BELOW_4G_MMIO_LENGTH ((1ULL << 32) - HVM_BELOW_4G_MMIO_START)
#endif /* __XEN_PUBLIC_HVM_E820_H__ */
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