4 * Copyright IBM, Corp. 2010
7 * Gautham R Shenoy <ego@in.ibm.com>
9 * This work is licensed under the terms of the GNU GPL, version 2. See
10 * the COPYING file in the top-level directory.
13 #include "qemu/osdep.h"
14 #include "qapi/error.h"
15 #include "qemu-fsdev.h"
16 #include "qemu/queue.h"
17 #include "qemu/config-file.h"
18 #include "qemu/error-report.h"
19 #include "qemu/option.h"
21 static QTAILQ_HEAD(, FsDriverListEntry
) fsdriver_entries
=
22 QTAILQ_HEAD_INITIALIZER(fsdriver_entries
);
24 static FsDriverTable FsDrivers
[] = {
25 { .name
= "local", .ops
= &local_ops
},
26 { .name
= "synth", .ops
= &synth_ops
},
27 { .name
= "proxy", .ops
= &proxy_ops
},
30 int qemu_fsdev_add(QemuOpts
*opts
, Error
**errp
)
33 struct FsDriverListEntry
*fsle
;
34 const char *fsdev_id
= qemu_opts_id(opts
);
35 const char *fsdriver
= qemu_opt_get(opts
, "fsdriver");
36 const char *writeout
= qemu_opt_get(opts
, "writeout");
37 bool ro
= qemu_opt_get_bool(opts
, "readonly", 0);
40 error_setg(errp
, "fsdev: No id specified");
45 for (i
= 0; i
< ARRAY_SIZE(FsDrivers
); i
++) {
46 if (strcmp(FsDrivers
[i
].name
, fsdriver
) == 0) {
51 if (i
== ARRAY_SIZE(FsDrivers
)) {
52 error_setg(errp
, "fsdev: fsdriver %s not found", fsdriver
);
56 error_setg(errp
, "fsdev: No fsdriver specified");
60 fsle
= g_malloc0(sizeof(*fsle
));
61 fsle
->fse
.fsdev_id
= g_strdup(fsdev_id
);
62 fsle
->fse
.ops
= FsDrivers
[i
].ops
;
64 if (!strcmp(writeout
, "immediate")) {
65 fsle
->fse
.export_flags
|= V9FS_IMMEDIATE_WRITEOUT
;
69 fsle
->fse
.export_flags
|= V9FS_RDONLY
;
71 fsle
->fse
.export_flags
&= ~V9FS_RDONLY
;
74 if (fsle
->fse
.ops
->parse_opts
) {
75 if (fsle
->fse
.ops
->parse_opts(opts
, &fsle
->fse
, errp
)) {
76 g_free(fsle
->fse
.fsdev_id
);
82 QTAILQ_INSERT_TAIL(&fsdriver_entries
, fsle
, next
);
86 FsDriverEntry
*get_fsdev_fsentry(char *id
)
89 struct FsDriverListEntry
*fsle
;
91 QTAILQ_FOREACH(fsle
, &fsdriver_entries
, next
) {
92 if (strcmp(fsle
->fse
.fsdev_id
, id
) == 0) {