Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* LoongArch DINTC interrupt kvm support
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*
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* Copyright (C) 2025 Loongson Technology Corporation Limited
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*/
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#include "qemu/osdep.h"
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#include "hw/intc/loongarch_dintc.h"
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#include "linux/kvm.h"
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#include "qapi/error.h"
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#include "system/kvm.h"
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void kvm_dintc_realize(DeviceState *dev, Error **errp)
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{
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LoongArchDINTCState *lds = LOONGARCH_DINTC(dev);
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int ret;
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ret = kvm_create_device(kvm_state, KVM_DEV_TYPE_LOONGARCH_DMSINTC, false);
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if (ret < 0) {
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fprintf(stderr, "create KVM_DEV_TYPE_LOONGARCH_AVEC failed: %s\n",
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strerror(-ret));
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abort();
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}
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lds->dev_fd = ret;
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/* init dintc config */
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lds->msg_addr_base = VIRT_DINTC_BASE;
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lds->msg_addr_size = VIRT_DINTC_SIZE;
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ret = kvm_device_access(lds->dev_fd, KVM_DEV_LOONGARCH_DMSINTC_GRP_CTRL,
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KVM_DEV_LOONGARCH_DMSINTC_MSG_ADDR_BASE,
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&lds->msg_addr_base, true, NULL);
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if (ret < 0) {
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fprintf(stderr, "KVM_DEV_LOONGARCH_DINTC_MSG_ADDR_BASE failed: %s\n",
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strerror(ret));
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abort();
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}
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ret = kvm_device_access(lds->dev_fd, KVM_DEV_LOONGARCH_DMSINTC_GRP_CTRL,
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KVM_DEV_LOONGARCH_DMSINTC_MSG_ADDR_SIZE,
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&lds->msg_addr_size, true, NULL);
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if (ret < 0) {
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fprintf(stderr, "KVM_DEV_LOONGARCH_DINTC_MSG_ADDR_SIZE failed: %s\n",
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strerror(ret));
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abort();
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}
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}
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