diff options
| author | Gonglei <arei.gonglei@huawei.com> | 2014-10-07 16:00:06 +0800 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2014-10-15 09:49:48 +0200 |
| commit | 694fb857abd770db623b6df5475291797b86187c (patch) | |
| tree | c3b8381b876c001be446d93541dacd0b682992ba | |
| parent | bc74112f7e857a662b1802145ca4cb9230de2f5c (diff) | |
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>
| -rw-r--r-- | bootdevice.c | 15 | ||||
| -rw-r--r-- | include/sysemu/sysemu.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/bootdevice.c b/bootdevice.c index d5b8789994..f5399df4b7 100644 --- a/bootdevice.c +++ b/bootdevice.c @@ -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) { diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 8de5100272..72463de56c 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -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); |