arch/loongarch/include/asm/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
  13 struct loongarch_ipi {
  14         spinlock_t lock;
  15         struct kvm *kvm;
  16         struct kvm_io_device device;
  17 };
  18
  19 struct 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
  43 int kvm_loongarch_register_ipi_device(void);
  44
  45 #endif