irqchip/gic-v4: Add VPE command interface
Add the required interfaces to schedule a VPE and perform a VINVALL command. Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Eric Auger <eric.auger@redhat.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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@ -72,3 +72,28 @@ void its_free_vcpu_irqs(struct its_vm *vm)
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irq_domain_remove(vm->domain);
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irq_domain_free_fwnode(vm->fwnode);
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}
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static int its_send_vpe_cmd(struct its_vpe *vpe, struct its_cmd_info *info)
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{
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return irq_set_vcpu_affinity(vpe->irq, info);
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}
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int its_schedule_vpe(struct its_vpe *vpe, bool on)
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{
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struct its_cmd_info info;
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WARN_ON(preemptible());
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info.cmd_type = on ? SCHEDULE_VPE : DESCHEDULE_VPE;
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return its_send_vpe_cmd(vpe, &info);
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}
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int its_invall_vpe(struct its_vpe *vpe)
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{
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struct its_cmd_info info = {
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.cmd_type = INVALL_VPE,
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};
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return its_send_vpe_cmd(vpe, &info);
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}
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@ -93,5 +93,7 @@ struct its_cmd_info {
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int its_alloc_vcpu_irqs(struct its_vm *vm);
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void its_free_vcpu_irqs(struct its_vm *vm);
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int its_schedule_vpe(struct its_vpe *vpe, bool on);
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int its_invall_vpe(struct its_vpe *vpe);
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#endif
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