root / qemu-config.c @ 636aa200
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#include "qemu-common.h" |
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#include "qemu-option.h" |
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#include "qemu-config.h" |
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QemuOptsList qemu_drive_opts = {
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.name = "drive",
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.head = TAILQ_HEAD_INITIALIZER(qemu_drive_opts.head), |
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.desc = {
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{
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.name = "bus",
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.type = QEMU_OPT_NUMBER, |
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.help = "bus number",
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},{
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.name = "unit",
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.type = QEMU_OPT_NUMBER, |
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.help = "unit number (i.e. lun for scsi)",
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},{
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.name = "if",
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.type = QEMU_OPT_STRING, |
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.help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
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},{
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.name = "index",
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.type = QEMU_OPT_NUMBER, |
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},{
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.name = "cyls",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of cylinders (ide disk geometry)",
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},{
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.name = "heads",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of heads (ide disk geometry)",
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},{
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.name = "secs",
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.type = QEMU_OPT_NUMBER, |
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.help = "number of sectors (ide disk geometry)",
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},{
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.name = "trans",
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.type = QEMU_OPT_STRING, |
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.help = "chs translation (auto, lba. none)",
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},{
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.name = "media",
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.type = QEMU_OPT_STRING, |
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.help = "media type (disk, cdrom)",
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},{
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.name = "snapshot",
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.type = QEMU_OPT_BOOL, |
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},{
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.name = "file",
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.type = QEMU_OPT_STRING, |
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.help = "disk image",
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},{
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.name = "cache",
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.type = QEMU_OPT_STRING, |
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.help = "host cache usage (none, writeback, writethrough)",
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},{
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.name = "format",
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.type = QEMU_OPT_STRING, |
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.help = "disk format (raw, qcow2, ...)",
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},{
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.name = "serial",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "werror",
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.type = QEMU_OPT_STRING, |
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},{
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.name = "addr",
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.type = QEMU_OPT_STRING, |
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.help = "pci address (virtio only)",
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}, |
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{ /* end if list */ }
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}, |
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}; |
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QemuOptsList qemu_device_opts = {
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.name = "device",
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.head = TAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
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.desc = {
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/*
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* no elements => accept any
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* sanity checking will happen later
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* when setting device properties
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*/
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{ /* end if list */ }
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}, |
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}; |
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static QemuOptsList *lists[] = {
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&qemu_drive_opts, |
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&qemu_device_opts, |
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NULL,
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}; |
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int qemu_set_option(const char *str) |
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{
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char group[64], id[64], arg[64]; |
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QemuOpts *opts; |
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int i, rc, offset;
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rc = sscanf(str, "%63[^.].%63[^.].%63[^=]%n", group, id, arg, &offset);
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if (rc < 3 || str[offset] != '=') { |
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fprintf(stderr, "can't parse: \"%s\"\n", str);
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return -1; |
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} |
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for (i = 0; lists[i] != NULL; i++) { |
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if (strcmp(lists[i]->name, group) == 0) |
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break;
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} |
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if (lists[i] == NULL) { |
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fprintf(stderr, "there is no option group \"%s\"\n", group);
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return -1; |
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} |
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opts = qemu_opts_find(lists[i], id); |
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if (!opts) {
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fprintf(stderr, "there is no %s \"%s\" defined\n",
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lists[i]->name, id); |
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return -1; |
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} |
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if (-1 == qemu_opt_set(opts, arg, str+offset+1)) { |
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fprintf(stderr, "failed to set \"%s\" for %s \"%s\"\n",
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arg, lists[i]->name, id); |
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return -1; |
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} |
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return 0; |
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} |
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