46 lines
876 B
C
46 lines
876 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2024 Loongson Technology Corporation Limited
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*/
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#ifndef __ASM_KVM_IPI_H
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#define __ASM_KVM_IPI_H
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#include <kvm/iodev.h>
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#define LARCH_INT_IPI 12
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struct loongarch_ipi {
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spinlock_t lock;
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struct kvm *kvm;
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struct kvm_io_device device;
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};
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struct ipi_state {
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spinlock_t lock;
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uint32_t status;
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uint32_t en;
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uint32_t set;
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uint32_t clear;
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uint64_t buf[4];
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};
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#define IOCSR_IPI_BASE 0x1000
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#define IOCSR_IPI_SIZE 0x160
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#define IOCSR_IPI_STATUS 0x000
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#define IOCSR_IPI_EN 0x004
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#define IOCSR_IPI_SET 0x008
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#define IOCSR_IPI_CLEAR 0x00c
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#define IOCSR_IPI_BUF_20 0x020
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#define IOCSR_IPI_BUF_28 0x028
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#define IOCSR_IPI_BUF_30 0x030
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#define IOCSR_IPI_BUF_38 0x038
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#define IOCSR_IPI_SEND 0x040
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#define IOCSR_MAIL_SEND 0x048
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#define IOCSR_ANY_SEND 0x158
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int kvm_loongarch_register_ipi_device(void);
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#endif
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