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03de5eecb0
Implement irqfd that deliver msi to vCPU and vCPU dmsintc irq injection. Add pch_msi_set_irq() choice dmsintc to set msi irq by the msg_addr and implement dmsintc set msi irq. Signed-off-by: Song Gao <gaosong@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
28 lines
639 B
C
28 lines
639 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2025 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_KVM_DMSINTC_H
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#define __ASM_KVM_DMSINTC_H
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#include <linux/kvm_types.h>
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struct loongarch_dmsintc {
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struct kvm *kvm;
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uint64_t msg_addr_base;
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uint64_t msg_addr_size;
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uint32_t cpu_mask;
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};
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struct dmsintc_state {
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atomic64_t vector_map[4];
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};
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int kvm_loongarch_register_dmsintc_device(void);
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void dmsintc_inject_irq(struct kvm_vcpu *vcpu);
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int dmsintc_set_irq(struct kvm *kvm, u64 addr, int data, int level);
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int dmsintc_deliver_msi_to_vcpu(struct kvm *kvm, struct kvm_vcpu *vcpu, u32 vector, int level);
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#endif
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