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Annotation of qemu/fsdev/qemu-fsdev.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Virtio 9p
        !             3:  *
        !             4:  * Copyright IBM, Corp. 2010
        !             5:  *
        !             6:  * Authors:
        !             7:  *  Gautham R Shenoy <[email protected]>
        !             8:  *
        !             9:  * This work is licensed under the terms of the GNU GPL, version 2.  See
        !            10:  * the COPYING file in the top-level directory.
        !            11:  *
        !            12:  */
        !            13: #include <stdio.h>
        !            14: #include <string.h>
        !            15: #include "qemu-fsdev.h"
        !            16: #include "qemu-queue.h"
        !            17: #include "osdep.h"
        !            18: #include "qemu-common.h"
        !            19: 
        !            20: static QTAILQ_HEAD(FsTypeEntry_head, FsTypeListEntry) fstype_entries =
        !            21:     QTAILQ_HEAD_INITIALIZER(fstype_entries);
        !            22: 
        !            23: static FsTypeTable FsTypes[] = {
        !            24:     { .name = "local", .ops = &local_ops},
        !            25: };
        !            26: 
        !            27: int qemu_fsdev_add(QemuOpts *opts)
        !            28: {
        !            29:     struct FsTypeListEntry *fsle;
        !            30:     int i;
        !            31: 
        !            32:     if (qemu_opts_id(opts) == NULL) {
        !            33:         fprintf(stderr, "fsdev: No id specified\n");
        !            34:         return -1;
        !            35:     }
        !            36: 
        !            37:     for (i = 0; i < ARRAY_SIZE(FsTypes); i++) {
        !            38:         if (strcmp(FsTypes[i].name, qemu_opt_get(opts, "fstype")) == 0) {
        !            39:             break;
        !            40:         }
        !            41:     }
        !            42: 
        !            43:     if (i == ARRAY_SIZE(FsTypes)) {
        !            44:         fprintf(stderr, "fsdev: fstype %s not found\n",
        !            45:                     qemu_opt_get(opts, "fstype"));
        !            46:         return -1;
        !            47:     }
        !            48: 
        !            49:     if (qemu_opt_get(opts, "security_model") == NULL) {
        !            50:         fprintf(stderr, "fsdev: No security_model specified.\n");
        !            51:         return -1;
        !            52:     }
        !            53: 
        !            54:     fsle = qemu_malloc(sizeof(*fsle));
        !            55: 
        !            56:     fsle->fse.fsdev_id = qemu_strdup(qemu_opts_id(opts));
        !            57:     fsle->fse.path = qemu_strdup(qemu_opt_get(opts, "path"));
        !            58:     fsle->fse.security_model = qemu_strdup(qemu_opt_get(opts,
        !            59:                 "security_model"));
        !            60:     fsle->fse.ops = FsTypes[i].ops;
        !            61: 
        !            62:     QTAILQ_INSERT_TAIL(&fstype_entries, fsle, next);
        !            63:     return 0;
        !            64: 
        !            65: }
        !            66: 
        !            67: FsTypeEntry *get_fsdev_fsentry(char *id)
        !            68: {
        !            69:     struct FsTypeListEntry *fsle;
        !            70: 
        !            71:     QTAILQ_FOREACH(fsle, &fstype_entries, next) {
        !            72:         if (strcmp(fsle->fse.fsdev_id, id) == 0) {
        !            73:             return &fsle->fse;
        !            74:         }
        !            75:     }
        !            76:     return NULL;
        !            77: }

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