c64f50d1e2
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
/*
|
|
* Common code for block device models
|
|
*
|
|
* Copyright (C) 2012 Red Hat, Inc.
|
|
*
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or
|
|
* later. See the COPYING file in the top-level directory.
|
|
*/
|
|
|
|
#include "sysemu/blockdev.h"
|
|
#include "hw/block-common.h"
|
|
#include "qemu/error-report.h"
|
|
|
|
void blkconf_serial(BlockConf *conf, char **serial)
|
|
{
|
|
DriveInfo *dinfo;
|
|
|
|
if (!*serial) {
|
|
/* try to fall back to value set with legacy -drive serial=... */
|
|
dinfo = drive_get_by_blockdev(conf->bs);
|
|
*serial = g_strdup(dinfo->serial);
|
|
}
|
|
}
|
|
|
|
int blkconf_geometry(BlockConf *conf, int *ptrans,
|
|
unsigned cyls_max, unsigned heads_max, unsigned secs_max)
|
|
{
|
|
DriveInfo *dinfo;
|
|
|
|
if (!conf->cyls && !conf->heads && !conf->secs) {
|
|
/* try to fall back to value set with legacy -drive cyls=... */
|
|
dinfo = drive_get_by_blockdev(conf->bs);
|
|
conf->cyls = dinfo->cyls;
|
|
conf->heads = dinfo->heads;
|
|
conf->secs = dinfo->secs;
|
|
if (ptrans) {
|
|
*ptrans = dinfo->trans;
|
|
}
|
|
}
|
|
if (!conf->cyls && !conf->heads && !conf->secs) {
|
|
hd_geometry_guess(conf->bs,
|
|
&conf->cyls, &conf->heads, &conf->secs,
|
|
ptrans);
|
|
} else if (ptrans && *ptrans == BIOS_ATA_TRANSLATION_AUTO) {
|
|
*ptrans = hd_bios_chs_auto_trans(conf->cyls, conf->heads, conf->secs);
|
|
}
|
|
if (conf->cyls || conf->heads || conf->secs) {
|
|
if (conf->cyls < 1 || conf->cyls > cyls_max) {
|
|
error_report("cyls must be between 1 and %u", cyls_max);
|
|
return -1;
|
|
}
|
|
if (conf->heads < 1 || conf->heads > heads_max) {
|
|
error_report("heads must be between 1 and %u", heads_max);
|
|
return -1;
|
|
}
|
|
if (conf->secs < 1 || conf->secs > secs_max) {
|
|
error_report("secs must be between 1 and %u", secs_max);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|