2  * QEMU emulation of common X86 IOMMU
20 #include "qemu/osdep.h"
22 #include "hw/i386/x86-iommu.h"
23 #include "hw/qdev-properties.h"
26 #include "qemu/error-report.h"
35     notifier->iec_notify = fn;  in x86_iommu_iec_register_notifier()
36     notifier->private = data;  in x86_iommu_iec_register_notifier()
38     QLIST_INSERT_HEAD(&iommu->iec_notifiers, notifier, list);  in x86_iommu_iec_register_notifier()
48     QLIST_FOREACH(notifier, &iommu->iec_notifiers, list) {  in x86_iommu_iec_notify_all()
49         if (notifier->iec_notify) {  in x86_iommu_iec_notify_all()
50             notifier->iec_notify(notifier->private, global,  in x86_iommu_iec_notify_all()
62     msg.dest_mode = irq->dest_mode;  in x86_iommu_irq_to_msi_message()
63     msg.redir_hint = irq->redir_hint;  in x86_iommu_irq_to_msi_message()
64     msg.dest = irq->dest;  in x86_iommu_irq_to_msi_message()
65     msg.__addr_hi = irq->dest & 0xffffff00;  in x86_iommu_irq_to_msi_message()
68     msg.__not_used = irq->msi_addr_last_bits;  in x86_iommu_irq_to_msi_message()
71     msg.vector = irq->vector;  in x86_iommu_irq_to_msi_message()
72     msg.delivery_mode = irq->delivery_mode;  in x86_iommu_irq_to_msi_message()
74     msg.trigger_mode = irq->trigger_mode;  in x86_iommu_irq_to_msi_message()
76     msg_out->address = msg.msi_addr;  in x86_iommu_irq_to_msi_message()
77     msg_out->data = msg.msi_data;  in x86_iommu_irq_to_msi_message()
87         object_dynamic_cast(OBJECT(pcms->iommu), TYPE_X86_IOMMU_DEVICE)) {  in x86_iommu_get_default()
88         return X86_IOMMU_DEVICE(pcms->iommu);  in x86_iommu_get_default()
101     QLIST_INIT(&x86_iommu->iec_notifiers);  in x86_iommu_realize()
104     if (!pcms || !pcms->pcibus) {  in x86_iommu_realize()
105         error_setg(errp, "Machine-type '%s' not supported by IOMMU",  in x86_iommu_realize()
106                    mc->name);  in x86_iommu_realize()
111     if (x86_iommu->intr_supported == ON_OFF_AUTO_AUTO) {  in x86_iommu_realize()
112         x86_iommu->intr_supported = irq_all_kernel ?  in x86_iommu_realize()
116     /* Both Intel and AMD IOMMU IR only support "kernel-irqchip={off|split}" */  in x86_iommu_realize()
119                          "kernel-irqchip=on, please use 'split|off'.");  in x86_iommu_realize()
123     if (x86_class->realize) {  in x86_iommu_realize()
124         x86_class->realize(dev, errp);  in x86_iommu_realize()
131     DEFINE_PROP_BOOL("device-iotlb", X86IOMMUState, dt_supported, false),
138     dc->realize = x86_iommu_realize;  in x86_iommu_class_init()
144     return s->intr_supported == ON_OFF_AUTO_ON;  in x86_iommu_ir_supported()