1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * LoongArch kvm pch pic interrupt support 4 * 5 * Copyright (C) 2025 Loongson Technology Corporation Limited 6 */ 7 8 #include "qemu/osdep.h" 9 #include "qapi/error.h" 10 #include "hw/boards.h" 11 #include "hw/intc/loongarch_pch_pic.h" 12 #include "hw/loongarch/virt.h" 13 #include "hw/pci-host/ls7a.h" 14 #include "system/kvm.h" 15 16 void kvm_pic_realize(DeviceState *dev, Error **errp) 17 { 18 LoongarchPICState *lps = LOONGARCH_PIC(dev); 19 uint64_t pch_pic_base = VIRT_PCH_REG_BASE; 20 int ret; 21 22 ret = kvm_create_device(kvm_state, KVM_DEV_TYPE_LOONGARCH_PCHPIC, false); 23 if (ret < 0) { 24 fprintf(stderr, "Create KVM_LOONGARCH_PCHPIC failed: %s\n", 25 strerror(-ret)); 26 abort(); 27 } 28 29 lps->dev_fd = ret; 30 ret = kvm_device_access(lps->dev_fd, KVM_DEV_LOONGARCH_PCH_PIC_GRP_CTRL, 31 KVM_DEV_LOONGARCH_PCH_PIC_CTRL_INIT, 32 &pch_pic_base, true, NULL); 33 if (ret < 0) { 34 fprintf(stderr, "KVM_LOONGARCH_PCH_PIC_INIT failed: %s\n", 35 strerror(-ret)); 36 abort(); 37 } 38 } 39