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Commit | Line | Data |
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74db920c | 1 | /* |
af8b38b0 | 2 | * 9p |
74db920c GS |
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. | |
74db920c | 11 | */ |
e688df6b | 12 | |
fbc04127 | 13 | #include "qemu/osdep.h" |
e688df6b | 14 | #include "qapi/error.h" |
74db920c | 15 | #include "qemu-fsdev.h" |
1de7afc9 | 16 | #include "qemu/queue.h" |
1de7afc9 | 17 | #include "qemu/config-file.h" |
ea753f32 | 18 | #include "qemu/error-report.h" |
922a01a0 | 19 | #include "qemu/option.h" |
74db920c | 20 | |
b58deb34 | 21 | static QTAILQ_HEAD(, FsDriverListEntry) fsdriver_entries = |
fbcbf101 | 22 | QTAILQ_HEAD_INITIALIZER(fsdriver_entries); |
74db920c | 23 | |
fbcbf101 | 24 | static FsDriverTable FsDrivers[] = { |
9f107513 | 25 | { .name = "local", .ops = &local_ops}, |
9db221ae | 26 | { .name = "synth", .ops = &synth_ops}, |
4c793dda | 27 | { .name = "proxy", .ops = &proxy_ops}, |
74db920c GS |
28 | }; |
29 | ||
b836723d | 30 | int qemu_fsdev_add(QemuOpts *opts, Error **errp) |
74db920c | 31 | { |
74db920c | 32 | int i; |
99519f0a | 33 | struct FsDriverListEntry *fsle; |
9f506893 | 34 | const char *fsdev_id = qemu_opts_id(opts); |
fbcbf101 | 35 | const char *fsdriver = qemu_opt_get(opts, "fsdriver"); |
d3ab98e6 | 36 | const char *writeout = qemu_opt_get(opts, "writeout"); |
2c74c2cb | 37 | bool ro = qemu_opt_get_bool(opts, "readonly", 0); |
74db920c | 38 | |
9f506893 | 39 | if (!fsdev_id) { |
b836723d | 40 | error_setg(errp, "fsdev: No id specified"); |
74db920c GS |
41 | return -1; |
42 | } | |
43 | ||
fbcbf101 AK |
44 | if (fsdriver) { |
45 | for (i = 0; i < ARRAY_SIZE(FsDrivers); i++) { | |
46 | if (strcmp(FsDrivers[i].name, fsdriver) == 0) { | |
9f506893 HPB |
47 | break; |
48 | } | |
74db920c | 49 | } |
74db920c | 50 | |
fbcbf101 | 51 | if (i == ARRAY_SIZE(FsDrivers)) { |
b836723d | 52 | error_setg(errp, "fsdev: fsdriver %s not found", fsdriver); |
9f506893 HPB |
53 | return -1; |
54 | } | |
55 | } else { | |
b836723d | 56 | error_setg(errp, "fsdev: No fsdriver specified"); |
74db920c GS |
57 | return -1; |
58 | } | |
59 | ||
99519f0a | 60 | fsle = g_malloc0(sizeof(*fsle)); |
7267c094 | 61 | fsle->fse.fsdev_id = g_strdup(fsdev_id); |
fbcbf101 | 62 | fsle->fse.ops = FsDrivers[i].ops; |
d3ab98e6 AK |
63 | if (writeout) { |
64 | if (!strcmp(writeout, "immediate")) { | |
b97400ca | 65 | fsle->fse.export_flags |= V9FS_IMMEDIATE_WRITEOUT; |
d3ab98e6 AK |
66 | } |
67 | } | |
2c74c2cb MK |
68 | if (ro) { |
69 | fsle->fse.export_flags |= V9FS_RDONLY; | |
70 | } else { | |
71 | fsle->fse.export_flags &= ~V9FS_RDONLY; | |
72 | } | |
b97400ca | 73 | |
99519f0a | 74 | if (fsle->fse.ops->parse_opts) { |
b836723d | 75 | if (fsle->fse.ops->parse_opts(opts, &fsle->fse, errp)) { |
b58c86e1 SW |
76 | g_free(fsle->fse.fsdev_id); |
77 | g_free(fsle); | |
99519f0a AK |
78 | return -1; |
79 | } | |
d9b36a6e MK |
80 | } |
81 | ||
fbcbf101 | 82 | QTAILQ_INSERT_TAIL(&fsdriver_entries, fsle, next); |
74db920c | 83 | return 0; |
74db920c GS |
84 | } |
85 | ||
fbcbf101 | 86 | FsDriverEntry *get_fsdev_fsentry(char *id) |
74db920c | 87 | { |
9f506893 | 88 | if (id) { |
fbcbf101 | 89 | struct FsDriverListEntry *fsle; |
74db920c | 90 | |
fbcbf101 | 91 | QTAILQ_FOREACH(fsle, &fsdriver_entries, next) { |
9f506893 HPB |
92 | if (strcmp(fsle->fse.fsdev_id, id) == 0) { |
93 | return &fsle->fse; | |
94 | } | |
74db920c GS |
95 | } |
96 | } | |
97 | return NULL; | |
98 | } |