device.c

/*  
 * Copyright (c) 2014, Citrix Systems Inc.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <err.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <assert.h>
#include <inttypes.h>
#include <unistd.h>
#include <errno.h>
#include <pthread.h>

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>

#include "debug.h"
#include "demu.h"
#include "device.h"

#include "kvm/kvm.h"

static struct kvm *kvm;

int device_initialize(struct disk_image_params *disk_image, u8 image_count)
{
    int rc;

    kvm = calloc(1, sizeof(*kvm));
    if (!kvm)
        return -ENOMEM;

    memcpy(kvm->cfg.disk_image, disk_image, sizeof(*disk_image) * image_count);
    kvm->cfg.image_count = image_count;
    kvm->nr_disks = kvm->cfg.image_count;

    rc = init_list__init(kvm);
    if (rc < 0) {
        DBG ("Initialization failed\n");
        free(kvm);
        return rc;
    }

    return 0;
}

void device_teardown(void)
{
    if (kvm) {
        init_list__exit(kvm);
        free(kvm);
        kvm = NULL;
    }
}

/*
 * Local variables:
 * mode: C
 * c-file-style: "BSD"
 * c-basic-offset: 4
 * c-tab-always-indent: nil
 * tab-width: 4
 * indent-tabs-mode: nil
 * End:
 */