1 #include "qemu-common.h"
2 #include "qemu-error.h"
3 #include "qemu-option.h"
4 #include "qemu-config.h"
8 static QemuOptsList qemu_drive_opts
= {
10 .head
= QTAILQ_HEAD_INITIALIZER(qemu_drive_opts
.head
),
14 .type
= QEMU_OPT_NUMBER
,
18 .type
= QEMU_OPT_NUMBER
,
19 .help
= "unit number (i.e. lun for scsi)",
22 .type
= QEMU_OPT_STRING
,
23 .help
= "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
26 .type
= QEMU_OPT_NUMBER
,
29 .type
= QEMU_OPT_NUMBER
,
30 .help
= "number of cylinders (ide disk geometry)",
33 .type
= QEMU_OPT_NUMBER
,
34 .help
= "number of heads (ide disk geometry)",
37 .type
= QEMU_OPT_NUMBER
,
38 .help
= "number of sectors (ide disk geometry)",
41 .type
= QEMU_OPT_STRING
,
42 .help
= "chs translation (auto, lba. none)",
45 .type
= QEMU_OPT_STRING
,
46 .help
= "media type (disk, cdrom)",
49 .type
= QEMU_OPT_BOOL
,
52 .type
= QEMU_OPT_STRING
,
56 .type
= QEMU_OPT_STRING
,
57 .help
= "host cache usage (none, writeback, writethrough, unsafe)",
60 .type
= QEMU_OPT_STRING
,
61 .help
= "host AIO implementation (threads, native)",
64 .type
= QEMU_OPT_STRING
,
65 .help
= "disk format (raw, qcow2, ...)",
68 .type
= QEMU_OPT_STRING
,
71 .type
= QEMU_OPT_STRING
,
74 .type
= QEMU_OPT_STRING
,
77 .type
= QEMU_OPT_STRING
,
78 .help
= "pci address (virtio only)",
81 .type
= QEMU_OPT_BOOL
,
84 .type
= QEMU_OPT_BOOL
,
85 .help
= "make this a boot drive",
91 static QemuOptsList qemu_chardev_opts
= {
93 .implied_opt_name
= "backend",
94 .head
= QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts
.head
),
98 .type
= QEMU_OPT_STRING
,
101 .type
= QEMU_OPT_STRING
,
104 .type
= QEMU_OPT_STRING
,
107 .type
= QEMU_OPT_STRING
,
110 .type
= QEMU_OPT_STRING
,
113 .type
= QEMU_OPT_STRING
,
116 .type
= QEMU_OPT_NUMBER
,
119 .type
= QEMU_OPT_BOOL
,
122 .type
= QEMU_OPT_BOOL
,
125 .type
= QEMU_OPT_BOOL
,
128 .type
= QEMU_OPT_BOOL
,
131 .type
= QEMU_OPT_BOOL
,
134 .type
= QEMU_OPT_BOOL
,
137 .type
= QEMU_OPT_NUMBER
,
140 .type
= QEMU_OPT_NUMBER
,
143 .type
= QEMU_OPT_NUMBER
,
146 .type
= QEMU_OPT_NUMBER
,
149 .type
= QEMU_OPT_BOOL
,
152 .type
= QEMU_OPT_BOOL
,
155 .type
= QEMU_OPT_STRING
,
158 .type
= QEMU_OPT_NUMBER
,
160 { /* end of list */ }
164 QemuOptsList qemu_fsdev_opts
= {
166 .implied_opt_name
= "fstype",
167 .head
= QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts
.head
),
171 .type
= QEMU_OPT_STRING
,
174 .type
= QEMU_OPT_STRING
,
176 .name
= "security_model",
177 .type
= QEMU_OPT_STRING
,
183 QemuOptsList qemu_virtfs_opts
= {
185 .implied_opt_name
= "fstype",
186 .head
= QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts
.head
),
190 .type
= QEMU_OPT_STRING
,
193 .type
= QEMU_OPT_STRING
,
196 .type
= QEMU_OPT_STRING
,
198 .name
= "security_model",
199 .type
= QEMU_OPT_STRING
,
206 static QemuOptsList qemu_device_opts
= {
208 .implied_opt_name
= "driver",
209 .head
= QTAILQ_HEAD_INITIALIZER(qemu_device_opts
.head
),
212 * no elements => accept any
213 * sanity checking will happen later
214 * when setting device properties
216 { /* end of list */ }
220 static QemuOptsList qemu_netdev_opts
= {
222 .implied_opt_name
= "type",
223 .head
= QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts
.head
),
226 * no elements => accept any params
227 * validation will happen later
229 { /* end of list */ }
233 static QemuOptsList qemu_net_opts
= {
235 .implied_opt_name
= "type",
236 .head
= QTAILQ_HEAD_INITIALIZER(qemu_net_opts
.head
),
239 * no elements => accept any params
240 * validation will happen later
242 { /* end of list */ }
246 static QemuOptsList qemu_rtc_opts
= {
248 .head
= QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts
.head
),
252 .type
= QEMU_OPT_STRING
,
255 .type
= QEMU_OPT_STRING
,
258 .type
= QEMU_OPT_STRING
,
260 { /* end of list */ }
264 static QemuOptsList qemu_global_opts
= {
266 .head
= QTAILQ_HEAD_INITIALIZER(qemu_global_opts
.head
),
270 .type
= QEMU_OPT_STRING
,
273 .type
= QEMU_OPT_STRING
,
276 .type
= QEMU_OPT_STRING
,
278 { /* end of list */ }
282 static QemuOptsList qemu_mon_opts
= {
284 .implied_opt_name
= "chardev",
285 .head
= QTAILQ_HEAD_INITIALIZER(qemu_mon_opts
.head
),
289 .type
= QEMU_OPT_STRING
,
292 .type
= QEMU_OPT_STRING
,
295 .type
= QEMU_OPT_BOOL
,
298 .type
= QEMU_OPT_BOOL
,
300 { /* end of list */ }
304 #ifdef CONFIG_SIMPLE_TRACE
305 static QemuOptsList qemu_trace_opts
= {
307 .implied_opt_name
= "trace",
308 .head
= QTAILQ_HEAD_INITIALIZER(qemu_trace_opts
.head
),
312 .type
= QEMU_OPT_STRING
,
314 { /* end if list */ }
319 static QemuOptsList qemu_cpudef_opts
= {
321 .head
= QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts
.head
),
325 .type
= QEMU_OPT_STRING
,
328 .type
= QEMU_OPT_NUMBER
,
331 .type
= QEMU_OPT_STRING
,
334 .type
= QEMU_OPT_NUMBER
,
337 .type
= QEMU_OPT_NUMBER
,
340 .type
= QEMU_OPT_NUMBER
,
342 .name
= "feature_edx", /* cpuid 0000_0001.edx */
343 .type
= QEMU_OPT_STRING
,
345 .name
= "feature_ecx", /* cpuid 0000_0001.ecx */
346 .type
= QEMU_OPT_STRING
,
348 .name
= "extfeature_edx", /* cpuid 8000_0001.edx */
349 .type
= QEMU_OPT_STRING
,
351 .name
= "extfeature_ecx", /* cpuid 8000_0001.ecx */
352 .type
= QEMU_OPT_STRING
,
355 .type
= QEMU_OPT_NUMBER
,
358 .type
= QEMU_OPT_STRING
,
360 .name
= "vendor_override",
361 .type
= QEMU_OPT_NUMBER
,
363 { /* end of list */ }
367 QemuOptsList qemu_spice_opts
= {
369 .head
= QTAILQ_HEAD_INITIALIZER(qemu_spice_opts
.head
),
373 .type
= QEMU_OPT_NUMBER
,
376 .type
= QEMU_OPT_NUMBER
,
379 .type
= QEMU_OPT_STRING
,
382 .type
= QEMU_OPT_BOOL
,
385 .type
= QEMU_OPT_BOOL
,
388 .type
= QEMU_OPT_STRING
,
390 .name
= "disable-ticketing",
391 .type
= QEMU_OPT_BOOL
,
394 .type
= QEMU_OPT_STRING
,
396 .name
= "x509-key-file",
397 .type
= QEMU_OPT_STRING
,
399 .name
= "x509-key-password",
400 .type
= QEMU_OPT_STRING
,
402 .name
= "x509-cert-file",
403 .type
= QEMU_OPT_STRING
,
405 .name
= "x509-cacert-file",
406 .type
= QEMU_OPT_STRING
,
408 .name
= "x509-dh-key-file",
409 .type
= QEMU_OPT_STRING
,
411 .name
= "tls-ciphers",
412 .type
= QEMU_OPT_STRING
,
414 .name
= "tls-channel",
415 .type
= QEMU_OPT_STRING
,
417 .name
= "plaintext-channel",
418 .type
= QEMU_OPT_STRING
,
420 .name
= "image-compression",
421 .type
= QEMU_OPT_STRING
,
423 .name
= "jpeg-wan-compression",
424 .type
= QEMU_OPT_STRING
,
426 .name
= "zlib-glz-wan-compression",
427 .type
= QEMU_OPT_STRING
,
429 .name
= "streaming-video",
430 .type
= QEMU_OPT_STRING
,
432 .name
= "agent-mouse",
433 .type
= QEMU_OPT_BOOL
,
435 .name
= "playback-compression",
436 .type
= QEMU_OPT_BOOL
,
438 { /* end if list */ }
442 QemuOptsList qemu_option_rom_opts
= {
443 .name
= "option-rom",
444 .implied_opt_name
= "romfile",
445 .head
= QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts
.head
),
449 .type
= QEMU_OPT_NUMBER
,
452 .type
= QEMU_OPT_STRING
,
454 { /* end if list */ }
458 static QemuOptsList
*vm_config_groups
[32] = {
468 #ifdef CONFIG_SIMPLE_TRACE
471 &qemu_option_rom_opts
,
475 static QemuOptsList
*find_list(QemuOptsList
**lists
, const char *group
)
479 for (i
= 0; lists
[i
] != NULL
; i
++) {
480 if (strcmp(lists
[i
]->name
, group
) == 0)
483 if (lists
[i
] == NULL
) {
484 error_report("there is no option group \"%s\"", group
);
489 QemuOptsList
*qemu_find_opts(const char *group
)
491 return find_list(vm_config_groups
, group
);
494 void qemu_add_opts(QemuOptsList
*list
)
498 entries
= ARRAY_SIZE(vm_config_groups
);
499 entries
--; /* keep list NULL terminated */
500 for (i
= 0; i
< entries
; i
++) {
501 if (vm_config_groups
[i
] == NULL
) {
502 vm_config_groups
[i
] = list
;
506 fprintf(stderr
, "ran out of space in vm_config_groups");
510 int qemu_set_option(const char *str
)
512 char group
[64], id
[64], arg
[64];
517 rc
= sscanf(str
, "%63[^.].%63[^.].%63[^=]%n", group
, id
, arg
, &offset
);
518 if (rc
< 3 || str
[offset
] != '=') {
519 error_report("can't parse: \"%s\"", str
);
523 list
= qemu_find_opts(group
);
528 opts
= qemu_opts_find(list
, id
);
530 error_report("there is no %s \"%s\" defined",
535 if (qemu_opt_set(opts
, arg
, str
+offset
+1) == -1) {
541 int qemu_global_option(const char *str
)
543 char driver
[64], property
[64];
547 rc
= sscanf(str
, "%63[^.].%63[^=]%n", driver
, property
, &offset
);
548 if (rc
< 2 || str
[offset
] != '=') {
549 error_report("can't parse: \"%s\"", str
);
553 opts
= qemu_opts_create(&qemu_global_opts
, NULL
, 0);
554 qemu_opt_set(opts
, "driver", driver
);
555 qemu_opt_set(opts
, "property", property
);
556 qemu_opt_set(opts
, "value", str
+offset
+1);
560 struct ConfigWriteData
{
565 static int config_write_opt(const char *name
, const char *value
, void *opaque
)
567 struct ConfigWriteData
*data
= opaque
;
569 fprintf(data
->fp
, " %s = \"%s\"\n", name
, value
);
573 static int config_write_opts(QemuOpts
*opts
, void *opaque
)
575 struct ConfigWriteData
*data
= opaque
;
576 const char *id
= qemu_opts_id(opts
);
579 fprintf(data
->fp
, "[%s \"%s\"]\n", data
->list
->name
, id
);
581 fprintf(data
->fp
, "[%s]\n", data
->list
->name
);
583 qemu_opt_foreach(opts
, config_write_opt
, data
, 0);
584 fprintf(data
->fp
, "\n");
588 void qemu_config_write(FILE *fp
)
590 struct ConfigWriteData data
= { .fp
= fp
};
591 QemuOptsList
**lists
= vm_config_groups
;
594 fprintf(fp
, "# qemu config file\n\n");
595 for (i
= 0; lists
[i
] != NULL
; i
++) {
596 data
.list
= lists
[i
];
597 qemu_opts_foreach(data
.list
, config_write_opts
, &data
, 0);
601 int qemu_config_parse(FILE *fp
, QemuOptsList
**lists
, const char *fname
)
603 char line
[1024], group
[64], id
[64], arg
[64], value
[1024];
605 QemuOptsList
*list
= NULL
;
606 QemuOpts
*opts
= NULL
;
607 int res
= -1, lno
= 0;
610 while (fgets(line
, sizeof(line
), fp
) != NULL
) {
611 loc_set_file(fname
, ++lno
);
612 if (line
[0] == '\n') {
613 /* skip empty lines */
616 if (line
[0] == '#') {
620 if (sscanf(line
, "[%63s \"%63[^\"]\"]", group
, id
) == 2) {
622 list
= find_list(lists
, group
);
625 opts
= qemu_opts_create(list
, id
, 1);
628 if (sscanf(line
, "[%63[^]]]", group
) == 1) {
629 /* group without id */
630 list
= find_list(lists
, group
);
633 opts
= qemu_opts_create(list
, NULL
, 0);
636 if (sscanf(line
, " %63s = \"%1023[^\"]\"", arg
, value
) == 2) {
639 error_report("no group defined");
642 if (qemu_opt_set(opts
, arg
, value
) != 0) {
647 error_report("parse error");
651 error_report("error reading file");
660 int qemu_read_config_file(const char *filename
)
662 FILE *f
= fopen(filename
, "r");
669 ret
= qemu_config_parse(f
, vm_config_groups
, filename
);