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hw/intc/loongarch_ipi: Add kernel irqchip realize function

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Function kvm_ipi_realize() is added if kvm_irqchip_in_kernel() return true.
It is to create and initialize IPI device in kernel mode.

Reviewed-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Message-ID: <20250606063033.2557365-4-maobibo@loongson.cn>
Signed-off-by: Song Gao <gaosong@loongson.cn>
This commit is contained in:
Bibo Mao 2025-06-06 14:30:23 +08:00 • committed by Song Gao
parent 228c5413fb
commit 412f655566
5 changed files with 42 additions and 0 deletions
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27
hw/intc/loongarch_ipi_kvm.c Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* LoongArch IPI interrupt KVM support
*
* Copyright (C) 2025 Loongson Technology Corporation Limited
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/intc/loongarch_ipi.h"
#include "system/kvm.h"
#include "target/loongarch/cpu.h"
void kvm_ipi_realize(DeviceState *dev, Error **errp)
{
LoongarchIPIState *lis = LOONGARCH_IPI(dev);
int ret;
ret = kvm_create_device(kvm_state, KVM_DEV_TYPE_LOONGARCH_IPI, false);
if (ret < 0) {
fprintf(stderr, "IPI KVM_CREATE_DEVICE failed: %s\n",
strerror(-ret));
abort();
}
lis->dev_fd = ret;
}