| #include "qemu-common.h" |
| #include "qemu-option.h" |
| #include "qemu-config.h" |
| |
| QemuOptsList qemu_drive_opts = { |
| .name = "drive", |
| .head = TAILQ_HEAD_INITIALIZER(qemu_drive_opts.head), |
| .desc = { |
| { |
| .name = "bus", |
| .type = QEMU_OPT_NUMBER, |
| .help = "bus number", |
| },{ |
| .name = "unit", |
| .type = QEMU_OPT_NUMBER, |
| .help = "unit number (i.e. lun for scsi)", |
| },{ |
| .name = "if", |
| .type = QEMU_OPT_STRING, |
| .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)", |
| },{ |
| .name = "index", |
| .type = QEMU_OPT_NUMBER, |
| },{ |
| .name = "cyls", |
| .type = QEMU_OPT_NUMBER, |
| .help = "number of cylinders (ide disk geometry)", |
| },{ |
| .name = "heads", |
| .type = QEMU_OPT_NUMBER, |
| .help = "number of heads (ide disk geometry)", |
| },{ |
| .name = "secs", |
| .type = QEMU_OPT_NUMBER, |
| .help = "number of sectors (ide disk geometry)", |
| },{ |
| .name = "trans", |
| .type = QEMU_OPT_STRING, |
| .help = "chs translation (auto, lba. none)", |
| },{ |
| .name = "media", |
| .type = QEMU_OPT_STRING, |
| .help = "media type (disk, cdrom)", |
| },{ |
| .name = "snapshot", |
| .type = QEMU_OPT_BOOL, |
| },{ |
| .name = "file", |
| .type = QEMU_OPT_STRING, |
| .help = "disk image", |
| },{ |
| .name = "cache", |
| .type = QEMU_OPT_STRING, |
| .help = "host cache usage (none, writeback, writethrough)", |
| },{ |
| .name = "aio", |
| .type = QEMU_OPT_STRING, |
| .help = "host AIO implementation (threads, native)", |
| },{ |
| .name = "format", |
| .type = QEMU_OPT_STRING, |
| .help = "disk format (raw, qcow2, ...)", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "werror", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "addr", |
| .type = QEMU_OPT_STRING, |
| .help = "pci address (virtio only)", |
| }, |
| { /* end if list */ } |
| }, |
| }; |
| |
| QemuOptsList qemu_chardev_opts = { |
| .name = "chardev", |
| .head = TAILQ_HEAD_INITIALIZER(qemu_chardev_opts.head), |
| .desc = { |
| { |
| .name = "backend", |
| .type = QEMU_OPT_STRING, |
| },{ |
| .name = "path", |
| .type = QEMU_OPT_STRING, |
| }, |
| { /* end if list */ } |
| }, |
| }; |
| |
| QemuOptsList qemu_device_opts = { |
| .name = "device", |
| .head = TAILQ_HEAD_INITIALIZER(qemu_device_opts.head), |
| .desc = { |
| /* |
| * no elements => accept any |
| * sanity checking will happen later |
| * when setting device properties |
| */ |
| { /* end if list */ } |
| }, |
| }; |
| |
| static QemuOptsList *lists[] = { |
| &qemu_drive_opts, |
| &qemu_chardev_opts, |
| &qemu_device_opts, |
| NULL, |
| }; |
| |
| int qemu_set_option(const char *str) |
| { |
| char group[64], id[64], arg[64]; |
| QemuOpts *opts; |
| int i, 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); |
| 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); |
| return -1; |
| } |
| |
| opts = qemu_opts_find(lists[i], id); |
| if (!opts) { |
| fprintf(stderr, "there is no %s \"%s\" defined\n", |
| lists[i]->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); |
| return -1; |
| } |
| return 0; |
| } |
| |