2 * Common code for block device models
4 * Copyright (C) 2012 Red Hat, Inc.
6 * This work is licensed under the terms of the GNU GPL, version 2 or
7 * later. See the COPYING file in the top-level directory.
11 #include "hw/block-common.h"
12 #include "qemu-error.h"
14 void blkconf_serial(BlockConf *conf, char **serial)
19 /* try to fall back to value set with legacy -drive serial=... */
20 dinfo = drive_get_by_blockdev(conf->bs);
22 *serial = g_strdup(dinfo->serial);
27 int blkconf_geometry(BlockConf *conf, int *ptrans,
28 unsigned cyls_max, unsigned heads_max, unsigned secs_max)
32 if (!conf->cyls && !conf->heads && !conf->secs) {
33 /* try to fall back to value set with legacy -drive cyls=... */
34 dinfo = drive_get_by_blockdev(conf->bs);
35 conf->cyls = dinfo->cyls;
36 conf->heads = dinfo->heads;
37 conf->secs = dinfo->secs;
39 *ptrans = dinfo->trans;
42 if (!conf->cyls && !conf->heads && !conf->secs) {
43 hd_geometry_guess(conf->bs,
44 &conf->cyls, &conf->heads, &conf->secs,
46 } else if (ptrans && *ptrans == BIOS_ATA_TRANSLATION_AUTO) {
47 *ptrans = hd_bios_chs_auto_trans(conf->cyls, conf->heads, conf->secs);
49 if (conf->cyls || conf->heads || conf->secs) {
50 if (conf->cyls < 1 || conf->cyls > cyls_max) {
51 error_report("cyls must be between 1 and %u", cyls_max);
54 if (conf->heads < 1 || conf->heads > heads_max) {
55 error_report("heads must be between 1 and %u", heads_max);
58 if (conf->secs < 1 || conf->secs > secs_max) {
59 error_report("secs must be between 1 and %u", secs_max);