IBI_REQ_REJECT_ALL
global = (master->sir_rej_mask == IBI_REQ_REJECT_ALL);
global = (master->sir_rej_mask == IBI_REQ_REJECT_ALL) && hj_rejected;
master->sir_rej_mask = IBI_REQ_REJECT_ALL;
writel(IBI_REQ_REJECT_ALL, master->regs + IBI_MR_REQ_REJECT);