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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>
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15
bootdevice.c
15
bootdevice.c
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@ -36,6 +36,21 @@ struct FWBootEntry {
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static QTAILQ_HEAD(, FWBootEntry) fw_boot_order =
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QTAILQ_HEAD_INITIALIZER(fw_boot_order);
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void check_boot_index(int32_t bootindex, Error **errp)
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{
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FWBootEntry *i;
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if (bootindex >= 0) {
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QTAILQ_FOREACH(i, &fw_boot_order, link) {
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if (i->bootindex == bootindex) {
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error_setg(errp, "The bootindex %d has already been used",
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bootindex);
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return;
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}
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}
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}
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}
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void add_boot_device_path(int32_t bootindex, DeviceState *dev,
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const char *suffix)
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{
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@ -213,6 +213,7 @@ void add_boot_device_path(int32_t bootindex, DeviceState *dev,
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char *get_boot_devices_list(size_t *size, bool ignore_suffixes);
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DeviceState *get_boot_device(uint32_t position);
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void check_boot_index(int32_t bootindex, Error **errp);
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QemuOpts *qemu_get_machine_opts(void);
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