bootindex: add check bootindex function

Determine whether a given bootindex exists or not.
If exists, we report an error.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gonglei 2014-10-07 16:00:06 +08:00 committed by Gerd Hoffmann
parent bc74112f7e
commit 694fb857ab
2 changed files with 16 additions and 0 deletions

View file

@ -36,6 +36,21 @@ struct FWBootEntry {
static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
QTAILQ_HEAD_INITIALIZER(fw_boot_order);
void check_boot_index(int32_t bootindex, Error **errp)
{
FWBootEntry *i;
if (bootindex >= 0) {
QTAILQ_FOREACH(i, &fw_boot_order, link) {
if (i->bootindex == bootindex) {
error_setg(errp, "The bootindex %d has already been used",
bootindex);
return;
}
}
}
}
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
const char *suffix)
{

View file

@ -213,6 +213,7 @@ void add_boot_device_path(int32_t bootindex, DeviceState *dev,
char *get_boot_devices_list(size_t *size, bool ignore_suffixes);
DeviceState *get_boot_device(uint32_t position);
void check_boot_index(int32_t bootindex, Error **errp);
QemuOpts *qemu_get_machine_opts(void);