/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (C) 2024 Loongson Technology Corporation Limited
 */

#ifndef __ASM_KVM_IPI_H
#define __ASM_KVM_IPI_H

#include <kvm/iodev.h>

#define LARCH_INT_IPI                   12

struct loongarch_ipi {
        spinlock_t lock;
        struct kvm *kvm;
        struct kvm_io_device device;
};

struct ipi_state {
        spinlock_t lock;
        uint32_t status;
        uint32_t en;
        uint32_t set;
        uint32_t clear;
        uint64_t buf[4];
};

#define IOCSR_IPI_BASE          0x1000
#define IOCSR_IPI_SIZE          0x160

#define IOCSR_IPI_STATUS        0x000
#define IOCSR_IPI_EN            0x004
#define IOCSR_IPI_SET           0x008
#define IOCSR_IPI_CLEAR         0x00c
#define IOCSR_IPI_BUF_20        0x020
#define IOCSR_IPI_BUF_28        0x028
#define IOCSR_IPI_BUF_30        0x030
#define IOCSR_IPI_BUF_38        0x038
#define IOCSR_IPI_SEND          0x040
#define IOCSR_MAIL_SEND         0x048
#define IOCSR_ANY_SEND          0x158

int kvm_loongarch_register_ipi_device(void);

#endif