kvm_ipi.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Copyright (C) 2024 Loongson Technology Corporation Limited
 4 */
 5
 6#ifndef __ASM_KVM_IPI_H
 7#define __ASM_KVM_IPI_H
 8
 9#include <kvm/iodev.h>
10
11#define LARCH_INT_IPI			12
12
13struct loongarch_ipi {
14	spinlock_t lock;
15	struct kvm *kvm;
16	struct kvm_io_device device;
17};
18
19struct ipi_state {
20	spinlock_t lock;
21	uint32_t status;
22	uint32_t en;
23	uint32_t set;
24	uint32_t clear;
25	uint64_t buf[4];
26};
27
28#define IOCSR_IPI_BASE		0x1000
29#define IOCSR_IPI_SIZE		0x160
30
31#define IOCSR_IPI_STATUS	0x000
32#define IOCSR_IPI_EN		0x004
33#define IOCSR_IPI_SET		0x008
34#define IOCSR_IPI_CLEAR		0x00c
35#define IOCSR_IPI_BUF_20	0x020
36#define IOCSR_IPI_BUF_28	0x028
37#define IOCSR_IPI_BUF_30	0x030
38#define IOCSR_IPI_BUF_38	0x038
39#define IOCSR_IPI_SEND		0x040
40#define IOCSR_MAIL_SEND		0x048
41#define IOCSR_ANY_SEND		0x158
42
43int kvm_loongarch_register_ipi_device(void);
44
45#endif