sysdev/xive/common.c

84 /* An invalid CPU target */
301 	u32 target;
305 	rc = xive_ops->get_irq_config(hw_irq, &target, &prio, &lirq);
311 	xmon_printf("IRQ 0x%08x : target=0x%x prio=%02x lirq=0x%x ",
312 		    hw_irq, target, prio, lirq);
458 	 * a queue slot on the target queue
499  * Try to chose "cpu" as a new interrupt target. Increments
500  * the queue accounting for that target if it's not already
519  * Un-account an interrupt for a target CPU. We don't directly
539 	 * to decrement the target queue count whenever it's next
547 /* Find a tentative CPU target in a CPU mask */
571 	 * target.
590  * Pick a target CPU for an interrupt. This is done at
592  * invalidates the current target.
604 	 * CPUs matching the CPU and find a target in there
614 		/* Try to find a target */
633 	int target, rc;
640 	/* Pick a target */
641 	target = xive_pick_irq_target(d, irq_data_get_affinity_mask(d));
642 	if (target == XIVE_INVALID_TARGET) {
644 		target = xive_pick_irq_target(d, cpu_online_mask);
645 		if (target == XIVE_INVALID_TARGET)
651 	if (WARN_ON(target == XIVE_INVALID_TARGET ||
652 		    target >= nr_cpu_ids))
653 		target = smp_processor_id();
655 	xd->target = target;
659 	 * and set the target queue
662 				     get_hard_smp_processor_id(target),
681 	if (WARN_ON(xd->target == XIVE_INVALID_TARGET))
692 				get_hard_smp_processor_id(xd->target),
695 	xive_dec_target_count(xd->target);
696 	xd->target = XIVE_INVALID_TARGET;
723 	u32 target, old_target;
733 	 * If existing target is already in the new mask, and is
736 	if (xd->target != XIVE_INVALID_TARGET &&
737 	    cpu_online(xd->target) &&
738 	    cpumask_test_cpu(xd->target, cpumask))
741 	/* Pick a new target */
742 	target = xive_pick_irq_target(d, cpumask);
744 	/* No target found */
745 	if (target == XIVE_INVALID_TARGET)
749 	if (WARN_ON(target >= nr_cpu_ids))
750 		target = smp_processor_id();
752 	old_target = xd->target;
760 					     get_hard_smp_processor_id(target),
767 	pr_debug("  target: 0x%x\n", target);
768 	xd->target = target;
770 	/* Give up previous target */
859 		/* No target ? nothing to do */
860 		if (xd->target == XIVE_INVALID_TARGET) {
891 			 * target to the guest. That should guarantee us
903 		/* No host target ? hard mask and return */
904 		if (xd->target == XIVE_INVALID_TARGET) {
912 		 * target to the host.
923 		 * First reconfigure the target.
926 					     get_hard_smp_processor_id(xd->target),
1027 	xd->target = XIVE_INVALID_TARGET;
1379 	seq_printf(m, "%*sTarget:   %d\n", ind, "", xd->target);
1753 	u32 target;
1758 	rc = xive_ops->get_irq_config(hw_irq, &target, &prio, &lirq);
1764 	seq_printf(m, "IRQ 0x%08x : target=0x%x prio=%02x lirq=0x%x ",
1765 		   hw_irq, target, prio, lirq);