Signed-off-by: Fam Zheng <f...@redhat.com> --- hw/nvram/spapr_nvram.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/hw/nvram/spapr_nvram.c b/hw/nvram/spapr_nvram.c index 4de5f70..b679e0b 100644 --- a/hw/nvram/spapr_nvram.c +++ b/hw/nvram/spapr_nvram.c @@ -39,6 +39,7 @@ typedef struct sPAPRNVRAM { uint32_t size; uint8_t *buf; BlockBackend *blk; + ImageLockMode lock_mode; VMChangeStateEntry *vmstate; } sPAPRNVRAM; @@ -140,8 +141,14 @@ static void rtas_nvram_store(PowerPCCPU *cpu, sPAPRMachineState *spapr, static void spapr_nvram_realize(VIOsPAPRDevice *dev, Error **errp) { sPAPRNVRAM *nvram = VIO_SPAPR_NVRAM(dev); + Error *local_err = NULL; if (nvram->blk) { + blk_lock_image(nvram->blk, nvram->lock_mode, &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } nvram->size = blk_getlength(nvram->blk); } else { nvram->size = DEFAULT_NVRAM_SIZE; @@ -226,6 +233,7 @@ static const VMStateDescription vmstate_spapr_nvram = { static Property spapr_nvram_properties[] = { DEFINE_SPAPR_PROPERTIES(sPAPRNVRAM, sdev), DEFINE_PROP_DRIVE("drive", sPAPRNVRAM, blk), + DEFINE_PROP_LOCK_MODE("lock-mode", sPAPRNVRAM, lock_mode), DEFINE_PROP_END_OF_LIST(), }; -- 2.7.4