/usr/include/xen/io/tpmif.h is in libxen-dev 4.1.2-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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* tpmif.h
*
* TPM I/O interface for Xen guest OSes.
*
* 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) 2005, IBM Corporation
*
* Author: Stefan Berger, stefanb@us.ibm.com
* Grant table support: Mahadevan Gomathisankaran
*
* This code has been derived from tools/libxc/xen/io/netif.h
*
* Copyright (c) 2003-2004, Keir Fraser
*/
#ifndef __XEN_PUBLIC_IO_TPMIF_H__
#define __XEN_PUBLIC_IO_TPMIF_H__
#include "../grant_table.h"
struct tpmif_tx_request {
unsigned long addr; /* Machine address of packet. */
grant_ref_t ref; /* grant table access reference */
uint16_t unused;
uint16_t size; /* Packet size in bytes. */
};
typedef struct tpmif_tx_request tpmif_tx_request_t;
/*
* The TPMIF_TX_RING_SIZE defines the number of pages the
* front-end and backend can exchange (= size of array).
*/
typedef uint32_t TPMIF_RING_IDX;
#define TPMIF_TX_RING_SIZE 1
/* This structure must fit in a memory page. */
struct tpmif_ring {
struct tpmif_tx_request req;
};
typedef struct tpmif_ring tpmif_ring_t;
struct tpmif_tx_interface {
struct tpmif_ring ring[TPMIF_TX_RING_SIZE];
};
typedef struct tpmif_tx_interface tpmif_tx_interface_t;
#endif
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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