tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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