ARK-OS/arkos/kernel/arch/loongarch/include/asm/kvm_ipi.h

/* 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