Archipelago » qemu

/*

 * Virtio 9p

 *

 * Copyright IBM, Corp. 2010

 *

 * Authors:

 *  Gautham R Shenoy <ego@in.ibm.com>

 *

 * This work is licensed under the terms of the GNU GPL, version 2.  See

 * the COPYING file in the top-level directory.

 *

 */

#include <stdio.h>

#include <string.h>

#include "qemu-fsdev.h"

#include "qemu-queue.h"

#include "osdep.h"

#include "qemu-common.h"

static QTAILQ_HEAD(FsTypeEntry_head, FsTypeListEntry) fstype_entries =

    QTAILQ_HEAD_INITIALIZER(fstype_entries);

static FsTypeTable FsTypes[] = {

    { .name = "local", .ops = &local_ops},

};

int qemu_fsdev_add(QemuOpts *opts)

{

    struct FsTypeListEntry *fsle;

    int i;

    if (qemu_opts_id(opts) == NULL) {

        fprintf(stderr, "fsdev: No id specified\n");

        return -1;

    }

    for (i = 0; i < ARRAY_SIZE(FsTypes); i++) {

        if (strcmp(FsTypes[i].name, qemu_opt_get(opts, "fstype")) == 0) {

            break;

        }

    }

    if (i == ARRAY_SIZE(FsTypes)) {

        fprintf(stderr, "fsdev: fstype %s not found\n",

                    qemu_opt_get(opts, "fstype"));

        return -1;

    }

    if (qemu_opt_get(opts, "security_model") == NULL) {

        fprintf(stderr, "fsdev: No security_model specified.\n");

        return -1;

    }

    fsle = qemu_malloc(sizeof(*fsle));

    fsle->fse.fsdev_id = qemu_strdup(qemu_opts_id(opts));

    fsle->fse.path = qemu_strdup(qemu_opt_get(opts, "path"));

    fsle->fse.security_model = qemu_strdup(qemu_opt_get(opts,

                "security_model"));

    fsle->fse.ops = FsTypes[i].ops;

    QTAILQ_INSERT_TAIL(&fstype_entries, fsle, next);

    return 0;

}

FsTypeEntry *get_fsdev_fsentry(char *id)

{

    struct FsTypeListEntry *fsle;

    QTAILQ_FOREACH(fsle, &fstype_entries, next) {

        if (strcmp(fsle->fse.fsdev_id, id) == 0) {

            return &fsle->fse;

        }

    }

    return NULL;

}