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bootindex: add del_boot_device_path function

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Introduce del_boot_device_path() to clean up fw_cfg content when
hot-unplugging a device that refers to a bootindex or update a
existent devcie's bootindex.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Chenliang <chenliang88@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 16:00:07 +08:00 committed by Gerd Hoffmann
parent 694fb857ab
commit 9d27572d62
2 changed files with 21 additions and 0 deletions
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20
bootdevice.c
View File

@ -51,6 +51,26 @@ void check_boot_index(int32_t bootindex, Error **errp)
}
}
void del_boot_device_path(DeviceState *dev, const char *suffix)
{
FWBootEntry *i;
if (dev == NULL) {
return;
}
QTAILQ_FOREACH(i, &fw_boot_order, link) {
if ((!suffix || !g_strcmp0(i->suffix, suffix)) &&
i->dev == dev) {
QTAILQ_REMOVE(&fw_boot_order, i, link);
g_free(i->suffix);
g_free(i);
break;
}
}
}
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
const char *suffix)
{

1
include/sysemu/sysemu.h
View File

@ -214,6 +214,7 @@ 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);
void del_boot_device_path(DeviceState *dev, const char *suffix);
QemuOpts *qemu_get_machine_opts(void);