mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/*
|
|
* 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.
|
|
*
|
|
* Copyright (C) IBM Corp. 2006
|
|
*/
|
|
|
|
#ifndef _XEN_XENCOMM_H_
|
|
#define _XEN_XENCOMM_H_
|
|
|
|
/* A xencomm descriptor is a scatter/gather list containing physical
|
|
* addresses corresponding to a virtually contiguous memory area. The
|
|
* hypervisor translates these physical addresses to machine addresses to copy
|
|
* to and from the virtually contiguous area.
|
|
*/
|
|
|
|
#define XENCOMM_MAGIC 0x58434F4D /* 'XCOM' */
|
|
#define XENCOMM_INVALID (~0UL)
|
|
|
|
struct xencomm_desc {
|
|
uint32_t magic;
|
|
uint32_t nr_addrs; /* the number of entries in address[] */
|
|
uint64_t address[0];
|
|
};
|
|
|
|
#endif /* _XEN_XENCOMM_H_ */
|