109 lines
2.3 KiB
C
109 lines
2.3 KiB
C
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/*
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* VGIC: KVM DEVICE API
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*
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* Copyright (C) 2015 ARM Ltd.
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* Author: Marc Zyngier <marc.zyngier@arm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kvm_host.h>
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#include <kvm/arm_vgic.h>
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/* common helpers */
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static int vgic_create(struct kvm_device *dev, u32 type)
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{
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return kvm_vgic_create(dev->kvm, type);
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}
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static void vgic_destroy(struct kvm_device *dev)
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{
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kfree(dev);
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}
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void kvm_register_vgic_device(unsigned long type)
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{
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switch (type) {
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case KVM_DEV_TYPE_ARM_VGIC_V2:
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kvm_register_device_ops(&kvm_arm_vgic_v2_ops,
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KVM_DEV_TYPE_ARM_VGIC_V2);
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break;
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#ifdef CONFIG_KVM_ARM_VGIC_V3
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case KVM_DEV_TYPE_ARM_VGIC_V3:
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kvm_register_device_ops(&kvm_arm_vgic_v3_ops,
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KVM_DEV_TYPE_ARM_VGIC_V3);
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break;
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#endif
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}
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}
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/* V2 ops */
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static int vgic_v2_set_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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static int vgic_v2_get_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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static int vgic_v2_has_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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struct kvm_device_ops kvm_arm_vgic_v2_ops = {
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.name = "kvm-arm-vgic-v2",
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.create = vgic_create,
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.destroy = vgic_destroy,
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.set_attr = vgic_v2_set_attr,
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.get_attr = vgic_v2_get_attr,
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.has_attr = vgic_v2_has_attr,
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};
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/* V3 ops */
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#ifdef CONFIG_KVM_ARM_VGIC_V3
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static int vgic_v3_set_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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static int vgic_v3_get_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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static int vgic_v3_has_attr(struct kvm_device *dev,
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struct kvm_device_attr *attr)
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{
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return -ENXIO;
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}
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struct kvm_device_ops kvm_arm_vgic_v3_ops = {
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.name = "kvm-arm-vgic-v3",
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.create = vgic_create,
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.destroy = vgic_destroy,
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.set_attr = vgic_v3_set_attr,
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.get_attr = vgic_v3_get_attr,
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.has_attr = vgic_v3_has_attr,
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};
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#endif /* CONFIG_KVM_ARM_VGIC_V3 */
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