#include "qemu-common.h"
+#include "qemu-error.h"
#include "qemu-option.h"
#include "qemu-config.h"
+#include "hw/qdev.h"
-QemuOptsList qemu_drive_opts = {
+static QemuOptsList qemu_drive_opts = {
.name = "drive",
.head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
.desc = {
},{
.name = "index",
.type = QEMU_OPT_NUMBER,
+ .help = "index number",
},{
.name = "cyls",
.type = QEMU_OPT_NUMBER,
},{
.name = "snapshot",
.type = QEMU_OPT_BOOL,
+ .help = "enable/disable snapshot mode",
},{
.name = "file",
.type = QEMU_OPT_STRING,
},{
.name = "cache",
.type = QEMU_OPT_STRING,
- .help = "host cache usage (none, writeback, writethrough)",
+ .help = "host cache usage (none, writeback, writethrough, unsafe)",
},{
.name = "aio",
.type = QEMU_OPT_STRING,
},{
.name = "serial",
.type = QEMU_OPT_STRING,
+ .help = "disk serial number",
+ },{
+ .name = "rerror",
+ .type = QEMU_OPT_STRING,
+ .help = "read error action",
},{
.name = "werror",
.type = QEMU_OPT_STRING,
+ .help = "write error action",
},{
.name = "addr",
.type = QEMU_OPT_STRING,
.help = "pci address (virtio only)",
+ },{
+ .name = "readonly",
+ .type = QEMU_OPT_BOOL,
+ .help = "open drive file as read-only",
},
- { /* end if list */ }
+ { /* end of list */ }
},
};
-QemuOptsList qemu_chardev_opts = {
+static QemuOptsList qemu_chardev_opts = {
.name = "chardev",
+ .implied_opt_name = "backend",
.head = QTAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head),
.desc = {
{
},{
.name = "mux",
.type = QEMU_OPT_BOOL,
+ },{
+ .name = "signal",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "name",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "debug",
+ .type = QEMU_OPT_NUMBER,
+ },
+ { /* end of list */ }
+ },
+};
+
+QemuOptsList qemu_fsdev_opts = {
+ .name = "fsdev",
+ .implied_opt_name = "fstype",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
+ .desc = {
+ {
+ .name = "fstype",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "path",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "security_model",
+ .type = QEMU_OPT_STRING,
},
- { /* end if list */ }
+ { /*End of list */ }
},
};
-QemuOptsList qemu_device_opts = {
+QemuOptsList qemu_virtfs_opts = {
+ .name = "virtfs",
+ .implied_opt_name = "fstype",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_virtfs_opts.head),
+ .desc = {
+ {
+ .name = "fstype",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "path",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "mount_tag",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "security_model",
+ .type = QEMU_OPT_STRING,
+ },
+
+ { /*End of list */ }
+ },
+};
+
+static QemuOptsList qemu_device_opts = {
.name = "device",
+ .implied_opt_name = "driver",
.head = QTAILQ_HEAD_INITIALIZER(qemu_device_opts.head),
.desc = {
/*
* sanity checking will happen later
* when setting device properties
*/
- { /* end if list */ }
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_netdev_opts = {
+ .name = "netdev",
+ .implied_opt_name = "type",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_netdev_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any params
+ * validation will happen later
+ */
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_net_opts = {
+ .name = "net",
+ .implied_opt_name = "type",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_net_opts.head),
+ .desc = {
+ /*
+ * no elements => accept any params
+ * validation will happen later
+ */
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_rtc_opts = {
+ .name = "rtc",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_rtc_opts.head),
+ .desc = {
+ {
+ .name = "base",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "clock",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "driftfix",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_global_opts = {
+ .name = "global",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_global_opts.head),
+ .desc = {
+ {
+ .name = "driver",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "property",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "value",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_mon_opts = {
+ .name = "mon",
+ .implied_opt_name = "chardev",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_mon_opts.head),
+ .desc = {
+ {
+ .name = "mode",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "chardev",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "default",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "pretty",
+ .type = QEMU_OPT_BOOL,
+ },
+ { /* end of list */ }
+ },
+};
+
+#ifdef CONFIG_SIMPLE_TRACE
+static QemuOptsList qemu_trace_opts = {
+ .name = "trace",
+ .implied_opt_name = "trace",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
+ .desc = {
+ {
+ .name = "file",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+#endif
+
+static QemuOptsList qemu_cpudef_opts = {
+ .name = "cpudef",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_cpudef_opts.head),
+ .desc = {
+ {
+ .name = "name",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "level",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "vendor",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "family",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "model",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "stepping",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "feature_edx", /* cpuid 0000_0001.edx */
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "feature_ecx", /* cpuid 0000_0001.ecx */
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "extfeature_edx", /* cpuid 8000_0001.edx */
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "extfeature_ecx", /* cpuid 8000_0001.ecx */
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "xlevel",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "model_id",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "vendor_override",
+ .type = QEMU_OPT_NUMBER,
+ },
+ { /* end of list */ }
+ },
+};
+
+QemuOptsList qemu_spice_opts = {
+ .name = "spice",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_spice_opts.head),
+ .desc = {
+ {
+ .name = "port",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "tls-port",
+ .type = QEMU_OPT_NUMBER,
+ },{
+ .name = "addr",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "ipv4",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "ipv6",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "password",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "disable-ticketing",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "disable-copy-paste",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "sasl",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "x509-dir",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "x509-key-file",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "x509-key-password",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "x509-cert-file",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "x509-cacert-file",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "x509-dh-key-file",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "tls-ciphers",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "tls-channel",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "plaintext-channel",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "image-compression",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "jpeg-wan-compression",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "zlib-glz-wan-compression",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "streaming-video",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "agent-mouse",
+ .type = QEMU_OPT_BOOL,
+ },{
+ .name = "playback-compression",
+ .type = QEMU_OPT_BOOL,
+ },
+ { /* end of list */ }
},
};
-static QemuOptsList *lists[] = {
+QemuOptsList qemu_option_rom_opts = {
+ .name = "option-rom",
+ .implied_opt_name = "romfile",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_option_rom_opts.head),
+ .desc = {
+ {
+ .name = "bootindex",
+ .type = QEMU_OPT_NUMBER,
+ }, {
+ .name = "romfile",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
+static QemuOptsList qemu_machine_opts = {
+ .name = "machine",
+ .implied_opt_name = "type",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_machine_opts.head),
+ .desc = {
+ {
+ .name = "type",
+ .type = QEMU_OPT_STRING,
+ .help = "emulated machine"
+ }, {
+ .name = "accel",
+ .type = QEMU_OPT_STRING,
+ .help = "accelerator list",
+ },
+ { /* End of list */ }
+ },
+};
+
+QemuOptsList qemu_boot_opts = {
+ .name = "boot-opts",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_boot_opts.head),
+ .desc = {
+ /* the three names below are not used now */
+ {
+ .name = "order",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "once",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "menu",
+ .type = QEMU_OPT_STRING,
+ /* following are really used */
+ }, {
+ .name = "splash",
+ .type = QEMU_OPT_STRING,
+ }, {
+ .name = "splash-time",
+ .type = QEMU_OPT_STRING,
+ },
+ { /*End of list */ }
+ },
+};
+
+static QemuOptsList *vm_config_groups[32] = {
&qemu_drive_opts,
&qemu_chardev_opts,
&qemu_device_opts,
+ &qemu_netdev_opts,
+ &qemu_net_opts,
+ &qemu_rtc_opts,
+ &qemu_global_opts,
+ &qemu_mon_opts,
+ &qemu_cpudef_opts,
+#ifdef CONFIG_SIMPLE_TRACE
+ &qemu_trace_opts,
+#endif
+ &qemu_option_rom_opts,
+ &qemu_machine_opts,
+ &qemu_boot_opts,
NULL,
};
+static QemuOptsList *find_list(QemuOptsList **lists, const char *group)
+{
+ int i;
+
+ for (i = 0; lists[i] != NULL; i++) {
+ if (strcmp(lists[i]->name, group) == 0)
+ break;
+ }
+ if (lists[i] == NULL) {
+ error_report("there is no option group \"%s\"", group);
+ }
+ return lists[i];
+}
+
+QemuOptsList *qemu_find_opts(const char *group)
+{
+ return find_list(vm_config_groups, group);
+}
+
+void qemu_add_opts(QemuOptsList *list)
+{
+ int entries, i;
+
+ entries = ARRAY_SIZE(vm_config_groups);
+ entries--; /* keep list NULL terminated */
+ for (i = 0; i < entries; i++) {
+ if (vm_config_groups[i] == NULL) {
+ vm_config_groups[i] = list;
+ return;
+ }
+ }
+ fprintf(stderr, "ran out of space in vm_config_groups");
+ abort();
+}
+
int qemu_set_option(const char *str)
{
char group[64], id[64], arg[64];
+ QemuOptsList *list;
QemuOpts *opts;
- int i, rc, offset;
+ int rc, offset;
rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
if (rc < 3 || str[offset] != '=') {
- fprintf(stderr, "can't parse: \"%s\"\n", str);
+ error_report("can't parse: \"%s\"", str);
return -1;
}
- for (i = 0; lists[i] != NULL; i++) {
- if (strcmp(lists[i]->name, group) == 0)
- break;
- }
- if (lists[i] == NULL) {
- fprintf(stderr, "there is no option group \"%s\"\n", group);
+ list = qemu_find_opts(group);
+ if (list == NULL) {
return -1;
}
- opts = qemu_opts_find(lists[i], id);
+ opts = qemu_opts_find(list, id);
if (!opts) {
- fprintf(stderr, "there is no %s \"%s\" defined\n",
- lists[i]->name, id);
+ error_report("there is no %s \"%s\" defined",
+ list->name, id);
return -1;
}
- if (-1 == qemu_opt_set(opts, arg, str+offset+1)) {
- fprintf(stderr, "failed to set \"%s\" for %s \"%s\"\n",
- arg, lists[i]->name, id);
+ if (qemu_opt_set(opts, arg, str+offset+1) == -1) {
+ return -1;
+ }
+ return 0;
+}
+
+int qemu_global_option(const char *str)
+{
+ char driver[64], property[64];
+ QemuOpts *opts;
+ int rc, offset;
+
+ rc = sscanf(str, "%63[^.].%63[^=]%n", driver, property, &offset);
+ if (rc < 2 || str[offset] != '=') {
+ error_report("can't parse: \"%s\"", str);
return -1;
}
+
+ opts = qemu_opts_create(&qemu_global_opts, NULL, 0);
+ qemu_opt_set(opts, "driver", driver);
+ qemu_opt_set(opts, "property", property);
+ qemu_opt_set(opts, "value", str+offset+1);
return 0;
}
+struct ConfigWriteData {
+ QemuOptsList *list;
+ FILE *fp;
+};
+
+static int config_write_opt(const char *name, const char *value, void *opaque)
+{
+ struct ConfigWriteData *data = opaque;
+
+ fprintf(data->fp, " %s = \"%s\"\n", name, value);
+ return 0;
+}
+
+static int config_write_opts(QemuOpts *opts, void *opaque)
+{
+ struct ConfigWriteData *data = opaque;
+ const char *id = qemu_opts_id(opts);
+
+ if (id) {
+ fprintf(data->fp, "[%s \"%s\"]\n", data->list->name, id);
+ } else {
+ fprintf(data->fp, "[%s]\n", data->list->name);
+ }
+ qemu_opt_foreach(opts, config_write_opt, data, 0);
+ fprintf(data->fp, "\n");
+ return 0;
+}
+
+void qemu_config_write(FILE *fp)
+{
+ struct ConfigWriteData data = { .fp = fp };
+ QemuOptsList **lists = vm_config_groups;
+ int i;
+
+ fprintf(fp, "# qemu config file\n\n");
+ for (i = 0; lists[i] != NULL; i++) {
+ data.list = lists[i];
+ qemu_opts_foreach(data.list, config_write_opts, &data, 0);
+ }
+}
+
+int qemu_config_parse(FILE *fp, QemuOptsList **lists, const char *fname)
+{
+ char line[1024], group[64], id[64], arg[64], value[1024];
+ Location loc;
+ QemuOptsList *list = NULL;
+ QemuOpts *opts = NULL;
+ int res = -1, lno = 0;
+
+ loc_push_none(&loc);
+ while (fgets(line, sizeof(line), fp) != NULL) {
+ loc_set_file(fname, ++lno);
+ if (line[0] == '\n') {
+ /* skip empty lines */
+ continue;
+ }
+ if (line[0] == '#') {
+ /* comment */
+ continue;
+ }
+ if (sscanf(line, "[%63s \"%63[^\"]\"]", group, id) == 2) {
+ /* group with id */
+ list = find_list(lists, group);
+ if (list == NULL)
+ goto out;
+ opts = qemu_opts_create(list, id, 1);
+ continue;
+ }
+ if (sscanf(line, "[%63[^]]]", group) == 1) {
+ /* group without id */
+ list = find_list(lists, group);
+ if (list == NULL)
+ goto out;
+ opts = qemu_opts_create(list, NULL, 0);
+ continue;
+ }
+ if (sscanf(line, " %63s = \"%1023[^\"]\"", arg, value) == 2) {
+ /* arg = value */
+ if (opts == NULL) {
+ error_report("no group defined");
+ goto out;
+ }
+ if (qemu_opt_set(opts, arg, value) != 0) {
+ goto out;
+ }
+ continue;
+ }
+ error_report("parse error");
+ goto out;
+ }
+ if (ferror(fp)) {
+ error_report("error reading file");
+ goto out;
+ }
+ res = 0;
+out:
+ loc_pop(&loc);
+ return res;
+}
+
+int qemu_read_config_file(const char *filename)
+{
+ FILE *f = fopen(filename, "r");
+ int ret;
+
+ if (f == NULL) {
+ return -errno;
+ }
+
+ ret = qemu_config_parse(f, vm_config_groups, filename);
+ fclose(f);
+
+ if (ret == 0) {
+ return 0;
+ } else {
+ return -EINVAL;
+ }
+}
projects / qemu.git / blobdiff