IPMI_BT_INTMASK_REG
smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG,
io->outputb(io, IPMI_BT_INTMASK_REG,
io->outputb(io, IPMI_BT_INTMASK_REG, 0);
u8 irqstate = smi_info->io.inputb(&smi_info->io, IPMI_BT_INTMASK_REG);
smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG,
smi_info->io.outputb(&smi_info->io, IPMI_BT_INTMASK_REG, 0);