#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 = { { /* 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; }