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/* libxenstat: statistics-collection library for Xen
* Copyright (C) International Business Machines Corp., 2005
* Authors: Josh Triplett <josh@kernel.org>
* Judy Fischbach <jfisch@cs.pdx.edu>
* David Hendricks <cro_marmot@comcast.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef XENSTAT_PRIV_H
#define XENSTAT_PRIV_H
#include <sys/types.h>
#include <xenstore.h>
#include "xenstat.h"
#include "xenctrl.h"
#define SHORT_ASC_LEN 5 /* length of 65535 */
#define VERSION_SIZE (2 * SHORT_ASC_LEN + 1 + sizeof(xen_extraversion_t) + 1)
struct xenstat_handle {
xc_interface *xc_handle;
struct xs_handle *xshandle; /* xenstore handle */
int page_size;
void *priv;
char xen_version[VERSION_SIZE]; /* xen version running on this node */
};
struct xenstat_node {
xenstat_handle *handle;
unsigned int flags;
unsigned long long cpu_hz;
unsigned int num_cpus;
unsigned long long tot_mem;
unsigned long long free_mem;
unsigned int num_domains;
xenstat_domain *domains; /* Array of length num_domains */
long freeable_mb;
};
struct xenstat_tmem {
unsigned long long curr_eph_pages;
unsigned long long succ_eph_gets;
unsigned long long succ_pers_puts;
unsigned long long succ_pers_gets;
};
struct xenstat_domain {
unsigned int id;
char *name;
unsigned int state;
unsigned long long cpu_ns;
unsigned int num_vcpus; /* No. vcpus configured for domain */
xenstat_vcpu *vcpus; /* Array of length num_vcpus */
unsigned long long cur_mem; /* Current memory reservation */
unsigned long long max_mem; /* Total memory allowed */
unsigned int ssid;
unsigned int num_networks;
xenstat_network *networks; /* Array of length num_networks */
unsigned int num_vbds;
xenstat_vbd *vbds;
xenstat_tmem tmem_stats;
};
struct xenstat_vcpu {
unsigned int online;
unsigned long long ns;
};
struct xenstat_network {
unsigned int id;
/* Received */
unsigned long long rbytes;
unsigned long long rpackets;
unsigned long long rerrs;
unsigned long long rdrop;
/* Transmitted */
unsigned long long tbytes;
unsigned long long tpackets;
unsigned long long terrs;
unsigned long long tdrop;
};
struct xenstat_vbd {
unsigned int back_type;
unsigned int dev;
unsigned long long oo_reqs;
unsigned long long rd_reqs;
unsigned long long wr_reqs;
unsigned long long rd_sects;
unsigned long long wr_sects;
};
extern int xenstat_collect_networks(xenstat_node * node);
extern void xenstat_uninit_networks(xenstat_handle * handle);
extern int xenstat_collect_vbds(xenstat_node * node);
extern void xenstat_uninit_vbds(xenstat_handle * handle);
#endif /* XENSTAT_PRIV_H */
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