1 /* 2 * Virtio 9p 3 * 4 * Copyright IBM, Corp. 2010 5 * 6 * Authors: 7 * Gautham R Shenoy <ego@in.ibm.com> 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 } 78