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authorGonglei <arei.gonglei@huawei.com>2014-10-07 16:00:07 +0800
committerGerd Hoffmann <kraxel@redhat.com>2014-10-15 09:49:48 +0200
commit9d27572d626be35aea079df1ea690215fea0598a (patch)
treeb568413095fa1897595f7b2e9a47f03c0dd885ee
parent694fb857abd770db623b6df5475291797b86187c (diff)
bootindex: add del_boot_device_path function
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>
-rw-r--r--bootdevice.c20
-rw-r--r--include/sysemu/sysemu.h1
2 files changed, 21 insertions, 0 deletions
diff --git a/bootdevice.c b/bootdevice.c
index f5399df4b7..7167fbcfe6 100644
--- a/bootdevice.c
+++ b/bootdevice.c
@@ -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)
{
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 72463de56c..b3489be7ca 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -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);