4 * Copyright IBM, Corp. 2010
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
15 #include "qemu-fsdev.h"
16 #include "qemu/queue.h"
17 #include "qemu/osdep.h"
18 #include "qemu-common.h"
19 #include "qemu/config-file.h"
20 #include "qemu/error-report.h"
22 static QTAILQ_HEAD(FsDriverEntry_head, FsDriverListEntry) fsdriver_entries =
23 QTAILQ_HEAD_INITIALIZER(fsdriver_entries);
25 static FsDriverTable FsDrivers[] = {
26 { .name = "local", .ops = &local_ops},
27 #ifdef CONFIG_OPEN_BY_HANDLE
28 { .name = "handle", .ops = &handle_ops},
30 { .name = "synth", .ops = &synth_ops},
31 { .name = "proxy", .ops = &proxy_ops},
34 int qemu_fsdev_add(QemuOpts *opts)
37 struct FsDriverListEntry *fsle;
38 const char *fsdev_id = qemu_opts_id(opts);
39 const char *fsdriver = qemu_opt_get(opts, "fsdriver");
40 const char *writeout = qemu_opt_get(opts, "writeout");
41 bool ro = qemu_opt_get_bool(opts, "readonly", 0);
44 error_report("fsdev: No id specified");
49 for (i = 0; i < ARRAY_SIZE(FsDrivers); i++) {
50 if (strcmp(FsDrivers[i].name, fsdriver) == 0) {
55 if (i == ARRAY_SIZE(FsDrivers)) {
56 error_report("fsdev: fsdriver %s not found", fsdriver);
60 error_report("fsdev: No fsdriver specified");
64 fsle = g_malloc0(sizeof(*fsle));
65 fsle->fse.fsdev_id = g_strdup(fsdev_id);
66 fsle->fse.ops = FsDrivers[i].ops;
68 if (!strcmp(writeout, "immediate")) {
69 fsle->fse.export_flags |= V9FS_IMMEDIATE_WRITEOUT;
73 fsle->fse.export_flags |= V9FS_RDONLY;
75 fsle->fse.export_flags &= ~V9FS_RDONLY;
78 if (fsle->fse.ops->parse_opts) {
79 if (fsle->fse.ops->parse_opts(opts, &fsle->fse)) {
80 g_free(fsle->fse.fsdev_id);
86 QTAILQ_INSERT_TAIL(&fsdriver_entries, fsle, next);
90 FsDriverEntry *get_fsdev_fsentry(char *id)
93 struct FsDriverListEntry *fsle;
95 QTAILQ_FOREACH(fsle, &fsdriver_entries, next) {
96 if (strcmp(fsle->fse.fsdev_id, id) == 0) {